CN116969702A - Pipe pile factory utilizes CO 2 Method, system and tubular pile for preparing multifunctional glue material - Google Patents
Pipe pile factory utilizes CO 2 Method, system and tubular pile for preparing multifunctional glue material Download PDFInfo
- Publication number
- CN116969702A CN116969702A CN202310953401.8A CN202310953401A CN116969702A CN 116969702 A CN116969702 A CN 116969702A CN 202310953401 A CN202310953401 A CN 202310953401A CN 116969702 A CN116969702 A CN 116969702A
- Authority
- CN
- China
- Prior art keywords
- slurry
- parts
- gas
- mixing
- wet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 140
- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000003292 glue Substances 0.000 title claims abstract description 14
- 239000002002 slurry Substances 0.000 claims abstract description 114
- 238000002156 mixing Methods 0.000 claims abstract description 94
- 230000000694 effects Effects 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000000498 ball milling Methods 0.000 claims abstract description 37
- 239000004568 cement Substances 0.000 claims abstract description 37
- 239000000835 fiber Substances 0.000 claims abstract description 36
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 34
- 239000002910 solid waste Substances 0.000 claims abstract description 29
- 238000002360 preparation method Methods 0.000 claims abstract description 28
- 239000000853 adhesive Substances 0.000 claims abstract description 18
- 230000001070 adhesive effect Effects 0.000 claims abstract description 18
- 239000002893 slag Substances 0.000 claims description 50
- 238000003756 stirring Methods 0.000 claims description 32
- 239000002738 chelating agent Substances 0.000 claims description 30
- 239000002956 ash Substances 0.000 claims description 26
- 239000013078 crystal Substances 0.000 claims description 26
- 238000000227 grinding Methods 0.000 claims description 24
- 239000003638 chemical reducing agent Substances 0.000 claims description 23
- 239000012071 phase Substances 0.000 claims description 19
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 claims description 18
- 239000004575 stone Substances 0.000 claims description 17
- 238000001238 wet grinding Methods 0.000 claims description 17
- 239000004576 sand Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 239000000654 additive Substances 0.000 claims description 12
- 230000000996 additive effect Effects 0.000 claims description 12
- 239000011575 calcium Substances 0.000 claims description 11
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 11
- 239000011707 mineral Substances 0.000 claims description 11
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 10
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 10
- 229910052791 calcium Inorganic materials 0.000 claims description 10
- 239000010881 fly ash Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 239000002028 Biomass Substances 0.000 claims description 9
- 239000004471 Glycine Substances 0.000 claims description 9
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 9
- 239000011777 magnesium Substances 0.000 claims description 9
- 229910052749 magnesium Inorganic materials 0.000 claims description 9
- 159000000003 magnesium salts Chemical class 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 8
- 239000007790 solid phase Substances 0.000 claims description 8
- 238000004056 waste incineration Methods 0.000 claims description 8
- 239000002699 waste material Substances 0.000 claims description 8
- 238000000265 homogenisation Methods 0.000 claims description 7
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000007791 liquid phase Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 229910019142 PO4 Inorganic materials 0.000 claims description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 5
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 5
- 239000000347 magnesium hydroxide Substances 0.000 claims description 5
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 5
- 239000010452 phosphate Substances 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 5
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 4
- 238000004064 recycling Methods 0.000 abstract description 6
- 238000001556 precipitation Methods 0.000 abstract description 3
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 96
- 239000000499 gel Substances 0.000 description 34
- 239000000047 product Substances 0.000 description 22
- 239000003795 chemical substances by application Substances 0.000 description 18
- 239000006184 cosolvent Substances 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 15
- 230000003472 neutralizing effect Effects 0.000 description 12
- 229910052799 carbon Inorganic materials 0.000 description 11
- 238000011049 filling Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- IMQLKJBTEOYOSI-GPIVLXJGSA-N Inositol-hexakisphosphate Chemical compound OP(O)(=O)O[C@H]1[C@H](OP(O)(O)=O)[C@@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@@H]1OP(O)(O)=O IMQLKJBTEOYOSI-GPIVLXJGSA-N 0.000 description 9
- IMQLKJBTEOYOSI-UHFFFAOYSA-N Phytic acid Natural products OP(O)(=O)OC1C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C1OP(O)(O)=O IMQLKJBTEOYOSI-UHFFFAOYSA-N 0.000 description 9
- 239000000467 phytic acid Substances 0.000 description 9
- 229940068041 phytic acid Drugs 0.000 description 9
- 235000002949 phytic acid Nutrition 0.000 description 9
- 239000004567 concrete Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 235000019832 sodium triphosphate Nutrition 0.000 description 7
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 6
- -1 polyethylene carbonate Polymers 0.000 description 6
- 229930006000 Sucrose Natural products 0.000 description 5
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000003109 Disodium ethylene diamine tetraacetate Substances 0.000 description 4
- OVBJJZOQPCKUOR-UHFFFAOYSA-L EDTA disodium salt dihydrate Chemical compound O.O.[Na+].[Na+].[O-]C(=O)C[NH+](CC([O-])=O)CC[NH+](CC([O-])=O)CC([O-])=O OVBJJZOQPCKUOR-UHFFFAOYSA-L 0.000 description 4
- 238000003763 carbonization Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 235000019301 disodium ethylene diamine tetraacetate Nutrition 0.000 description 4
- 238000004090 dissolution Methods 0.000 description 4
- 235000019982 sodium hexametaphosphate Nutrition 0.000 description 4
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 4
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000033558 biomineral tissue development Effects 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229920000333 poly(propyleneimine) Polymers 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- LUFCRXHUFRHQMG-UHFFFAOYSA-O CCO.[O-][N+]([O-])=O.N.[NH4+] Chemical group CCO.[O-][N+]([O-])=O.N.[NH4+] LUFCRXHUFRHQMG-UHFFFAOYSA-O 0.000 description 2
- 229910021532 Calcite Inorganic materials 0.000 description 2
- 229920002873 Polyethylenimine Polymers 0.000 description 2
- 229910004283 SiO 4 Inorganic materials 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 244000309464 bull Species 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 239000005431 greenhouse gas Substances 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- RNIHAPSVIGPAFF-UHFFFAOYSA-N Acrylamide-acrylic acid resin Chemical group NC(=O)C=C.OC(=O)C=C RNIHAPSVIGPAFF-UHFFFAOYSA-N 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000007798 antifreeze agent Substances 0.000 description 1
- YIPVATRQFMILFY-UHFFFAOYSA-N azane;ethyl nitrate Chemical group N.CCO[N+]([O-])=O YIPVATRQFMILFY-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- 235000012241 calcium silicate Nutrition 0.000 description 1
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- HOOWDPSAHIOHCC-UHFFFAOYSA-N dialuminum tricalcium oxygen(2-) Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[Al+3].[Al+3].[Ca++].[Ca++].[Ca++] HOOWDPSAHIOHCC-UHFFFAOYSA-N 0.000 description 1
- BCAARMUWIRURQS-UHFFFAOYSA-N dicalcium;oxocalcium;silicate Chemical compound [Ca+2].[Ca+2].[Ca]=O.[O-][Si]([O-])([O-])[O-] BCAARMUWIRURQS-UHFFFAOYSA-N 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 230000000135 prohibitive effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229910021534 tricalcium silicate Inorganic materials 0.000 description 1
- 235000019976 tricalcium silicate Nutrition 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B12/00—Cements not provided for in groups C04B7/00 - C04B11/00
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/38—Preparing or treating the raw materials individually or as batches, e.g. mixing with fuel
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
Abstract
The invention discloses a method for utilizing CO in a tubular pile factory 2 A method for preparing multifunctional adhesive material, system and pipe pile comprises S1, mixing solid waste, water and a first industrial auxiliary agent to obtain a first slurry, S2, adding the first slurry in a continuous feeding mode, and placing the first slurry in a first reactor containing CO 2 Performing first wet ball milling under a gas medium; s3, mixing the CO generated in the step S2 2 As the next first CO-containing tail gas 2 Recycling the gas medium, and repeating the step S2 to obtain the fiber toughening ultra-high activity cementing material; and T1, mixing the residual slurry cement of the tubular pile and a second industrial auxiliary agent to obtain a second slurry, T2, adopting a discontinuous feeding mode,adding the next second slurry after the preparation of one batch of products is completed, and adding the second slurry into the second slurry containing CO 2 Performing second wet ball milling under the air medium to obtain gel toughening super-early-strength cementing material, and recovering generated CO-containing material 2 Is a hot tail gas of the engine. CaCO is generated in the preparation process of the invention 3 Precipitation, solidification of CO 2 Gas, realize CO 2 Is used for the glue material.
Description
Technical Field
The present invention relates to CO 2 In particular to a method for utilizing CO in a tubular pile factory 2 A method, a system and a tubular pile for preparing a multifunctional adhesive material.
Background
By 2023, global greenhouse gas emissions created a "history of high", up to 540 million tons of CO per year, resulting in an unprecedented global warming with a series of effects. On the one hand, the global ice and snow amount is reduced, and the ocean temperature and the sea level are increased; on the other hand, the ocean absorbs CO to cause acidification of the ocean; more seriously, extreme weather caused by the greenhouse effect, including natural disasters caused by high temperature, strong precipitation, etc., will cause immeasurable losses to life safety and global economy.
To mitigate the effect of greenhouse gases on global climate, a large amount of CO is used 2 Capturing and isolating it from the atmosphere by deep burying the subsurface or the sea floor is necessary, but a better strategy should be to find a way to isolate the CO 2 As a technical means for effectively utilizing resources, the method realizes large-scale application of the resources. Such as with CO 2 The technology for preparing the multifunctional composite metal hydroxide, the long-acting ammonium bicarbonate, the ethylene glycol and the methane already enters an industrial production stage; technology for preparing high added value carbonates and styrenes has entered the engineering stage; the technique for preparing dimethyl carbonate has also been successful in laboratory studies . In particular, the CO of China academy of sciences 2 As a raw material, the polyethylene carbonate (PEC) resin is synthesized by regulating and polymerizing with ethylene oxide, and finally the aliphatic polycarbonate polyester semi-rigid foam plastic is produced. But the CO is as described above 2 In the recycling process, the following problems still exist:
(1) Some in CO 2 The chemical prepared as raw material has little market demand, so the corresponding conversion technology is applied to CO 2 The need for such conversion schemes is relatively small and it is difficult to fully exploit the reduction of atmospheric CO 2 The purpose of the discharge amount;
(2)CO 2 in the chemical conversion production process, a large amount of solvents or catalysts with toxic action are often required to support, or the produced products contain toxic and harmful elements, and the technology solves the problem of CO 2 The problem is caused by new environmental pollution, and the sharp contradiction between the economic and social development and the environment can not be truly relieved;
(3)CO 2 conversion techniques are cost prohibitive to implement, exceeding the cost of preparing the chemical from other raw materials, or the cost of consuming energy in terms of CO 2 The emissions have far exceeded the converted CO 2 The method is difficult to popularize and apply in the market from the aspects of technical effect or economy;
(4) The highly symmetrical molecular structure and the highly oxidized carbon element determine the CO 2 Very stable chemistry. The C-O bond energy is 783kJ/mol, CO 2 Standard Gibbs free formation enthalpy of-394.38 kJ/mol, all clearly indicate effective activation CO2 Additional energy needs to be provided, which results in CO 2 The low conversion rate and low energy efficiency are technical barriers which are difficult to break through by the current thermodynamic theory.
Meanwhile, along with the proposal of the 'double carbon' target, the China industries make policy adjustment, and the precast concrete piles (tubular piles) which are the core components of the building foundation industry also start green low-carbon development path exploration. China is the biggest global tubular pile production country, and annual production capacity is 2.5-3.0 hundred million m. The tubular pile has the advantages of high bearing capacity, good pile body quality, high construction speed and the like, and is widely applied to projects such as high-rise buildings, railways, highways, bridges, ports and wharfs. In the pipe pile production process, high-doped Portland cement, high-quality sand and stone aggregate, high-temperature steam curing operation and the like are generally adopted, and meanwhile, a high-speed centrifugal compaction forming process with high power consumption is also adopted. The development and popularization of low-carbonization technologies such as low cement consumption, low steel consumption, low steam consumption and the like in tubular pile unit products is an effective way for green production in the tubular pile industry.
Disclosure of Invention
To solve the existing CO 2 The product market demand in the recycling technology is low, the recycling process is not environment-friendly, the recycling cost is high, and the CO is produced 2 The invention provides a method for preparing a catalyst based on CO, which has the problems of low conversion rate, low energy efficiency and the like 2 Mineralization principle and three-phase medium collaborative grinding technology, and adopts solid waste to prepare fiber toughened ultra-high activity cementing material and tubular pile residual slurry to prepare gel toughened ultra-early strength cementing material, thereby realizing CO 2 The method is green, low in cost, high in conversion rate and high in energy efficiency conversion, is used for producing the pipe pile, not only realizes the utilization of the carbon dioxide glue material, reduces the cement consumption, but also reduces the pipe pile curing temperature, improves the early mechanical property and durability of the pipe pile, and simultaneously absorbs a large amount of solid wastes and reduces the carbon emission.
In order to achieve the above object, the present invention provides a method for utilizing CO in a pipe pile plant 2 The method for preparing the multifunctional adhesive comprises the following steps of, by mass,
s1, mixing 100 parts of solid waste, 18-566 parts of water and 0.59-3.33 parts of a first industrial auxiliary agent to obtain a first slurry,
s2, continuously adding the first slurry in a continuous feeding mode, and adding the first slurry into the first slurry containing CO 2 Performing first wet ball milling under a gas medium;
s3, mixing the CO generated in the step S2 2 As the next first CO-containing tail gas 2 The gas medium is recycled to ensure that the next batch of first CO-containing gas 2 CO in gaseous medium 2 The content is higher than 5%, and the step S2 is repeated to obtain the fiber toughening ultra-high activity cementing material;
and, a step of, in the first embodiment,
t1, mixing 100 parts of residual slurry of the tubular pile, 0-40 parts of cement and 1-2 parts of a second industrial auxiliary agent to obtain second slurry,
t2, adding a next second slurry after the preparation of one batch of products is finished by adopting a discontinuous feeding mode, and adding the second slurry into a second reactor containing CO 2 Performing second wet ball milling under the air medium to obtain gel toughening super-early-strength cementing material, and recovering generated CO-containing material 2 Is a hot tail gas of the engine.
Further, the ball-to-material ratio of the first wet ball milling is 1:3-4, and the ball-to-material ratio of the second wet ball milling is 1:1-2;
the particle size of the fiber toughening ultra-high activity cementing material is less than 30 mu m, and the pH value is 7.6-9.8;
the particle size of the gel toughening super early strength type cementing material is smaller than 2 mu m, and the pH value is 6.3-6.8.
Further, the first industrial auxiliary agent comprises at least one of a crystal form regulator, a viscosity reducer, a chelating agent and a dissolution promoter;
the second industrial auxiliary agent comprises at least one of a neutralizer, a retarder, a chelating agent and a solvent.
In order to control CO 2 Mineralized crystalline forms, the crystalline form modulators must be added; in order to lower the pH of the second slurry, a neutralizing agent must be added. Other viscosity reducers, chelating agents, and solubilizing agents, retarders may be added according to the nature of the first/second slurry during the production process.
Further, the crystal form regulator comprises at least one of soluble magnesium salt, magnesium hydroxide, ammonia water and soluble aluminum salt;
the neutralizer comprises at least one of phosphoric acid, soluble phosphate, glycine and sulfamic acid.
In some embodiments of the present invention, the viscosity reducer may be at least one of sodium tripolyphosphate, sodium hexametaphosphate, aA-AM copolysodium salt anionic polyacrylate ammonium salt aqueous solution, and the like.
In some embodiments of the present invention, the chelating agent may be at least one of ethylenediamine tetraacetic acid, disodium ethylenediamine tetraacetate, phytic acid, and the like.
In some embodiments of the present invention, the solubilizing agent may be at least one of polyethylenimine, polypropylenimine, ammonium ethonitrate, and the like.
In some embodiments of the present invention, the retarder may be at least one of white sugar, biological sugar, sugar-containing peel, and the like.
Further, the first CO-containing gas 2 The air inlet temperature of the air medium is 5-40 ℃ and the air inlet rate per unit mass is 5-15L/kg.min;
the second CO-containing 2 The air inlet temperature of the air medium is 5-40 ℃ and the air inlet rate per unit mass is 15-30L/kg.min.
Further, the first CO-containing gas 2 CO in gaseous medium 2 The content is more than 10 percent, the second CO-containing 2 CO in gaseous medium 2 The content is more than 30 percent.
Further, the solid waste comprises at least one of steel slag, blast furnace slag, high-calcium fly ash, electric furnace slag, carbide slag, magnesium slag, biomass ash, cement kiln ash, municipal waste incineration ash and construction waste micro powder;
the total mass ratio of CaO, mgO and FeO in the solid waste is more than or equal to 10%;
the residual slurry of the pipe pile is generated in the pipe pile production process of a pipe pile factory, and the water content is 20-60%.
The invention also provides a method for utilizing CO in the pipe pile plant 2 The system for preparing the multifunctional adhesive comprises a gas-phase circulation module, a solid-phase homogenization module and a three-phase grinding module;
the gas phase circulation module comprises a first CO 2 Gas tank, second CO 2 A gas tank and a tail gas tank, wherein the first CO 2 The gas tank is connected with the tail gas tank, the first CO 2 Gas tank and second CO 2 The gas tanks are respectively used for providing first CO-containing gas 2 Gaseous medium and second CO-containing gas medium 2 A gaseous medium;
the solid-phase homogenization module comprises a first stirring tank and a second stirring tank, wherein the first stirring tank is used for mixing solid waste, water and a first industrial auxiliary agent to obtain a first slurry, and the second stirring tank is used for mixing residual slurry of the pipe pile, cement and a second auxiliary agent to obtain a second slurry;
the three-phase grinding module comprises a first wet grinding machine and a second wet grinding machine, wherein the first wet grinding machine and the second wet grinding machine are provided with medium balls, and the first wet grinding machine is used for mixing the first slurry with the first slurry containing CO 2 Performing first wet ball milling under an air medium to obtain the fiber-toughened ultrahigh-activity cementing material, wherein the second wet mill is used for carrying out CO-containing on the second slurry 2 Performing second wet ball milling under an air medium to obtain a gel toughening super-early-strength cementing material;
the first wet grinding machine comprises a barrel, a first feed inlet at the bottom of the barrel, a screen in the barrel, a sealing operation table at the top of the barrel and a motor in the sealing operation table, wherein the first feed inlet is connected with a first stirring tank, the screen divides the interior of the barrel into a finished product bin on the screen and a grinding bin below the screen, a first air inlet is formed in the top of the sealing operation table, a gas pipeline is arranged at the first air inlet, and the gas pipeline and the first CO are connected through the first air inlet 2 The gas tank is connected, the output end of the motor is fixedly connected with a driving rotating rod, the driving rotating rod is fixedly connected with a hollow rotating shaft, the top end of the hollow rotating shaft is connected with a gas pipeline, the lower end of the hollow rotating shaft extends to the grinding bin, a first centrifugal blade and uniformly distributed gas outlets are arranged on the hollow rotating shaft of the grinding bin, a first discharge port is arranged on the outer side of the finished product bin, the first discharge port is connected with a gas-liquid separator, the gas-liquid separator comprises a horizontal rotational flow part and a vertical separation part, one end of the horizontal rotational flow part is connected with the first discharge port, the other end of the horizontal rotational flow part is connected with the vertical separation part through a pipeline with an included angle with a horizontal line, rotational flow blades are further arranged in the horizontal rotational flow part, a conical shrinkage port is arranged in the vertical separation part, a liquid phase outlet is arranged at the lower port of the vertical separation part above the pipeline connection part with the included angle, and the tail gas outlet is connected with the tail gas tank;
the second wet grinding machine comprises a tank body, a second air inlet at the bottom of the tank body, a second discharge hole with one side of the tank body being deviated downwards, an air outlet with one side of the tank body being deviated upwards, a second feed inlet at the top of the tank body, a rotating bearing arranged at the top of the tank body and a rotating shaft extending into the tank body The stirring part comprises an electromagnetic rotator and a rotating rod, one end of the rotating rod is connected with the electromagnetic rotator, the other end of the rotating rod extends to the inside of the tank body through a rotating bearing, a second centrifugal blade is arranged on the rotating rod in the tank body, and a second air inlet and a second CO are arranged on the rotating rod in the tank body 2 The air tank is connected, and the second feed inlet is connected with the second stirring tank;
wherein, the first wet mill adopts continuous grinding through lower feeding, upper discharging, and the second wet mill adopts upper feeding, lower discharging, and intermittent feeding.
Further, the system also comprises a multifunctional glue application module,
the multifunctional adhesive material application module comprises a stirrer and a centrifuge which are connected with each other, and also comprises an autoclave;
the stirrer is respectively connected with the first wet mill and the second wet mill;
the first feed inlet of the first wet grinding machine is also provided with a first filter screen and a first electronic valve;
the second feeding port of the second wet mill is also provided with a second filter screen and a second electronic valve, the second air inlet is also provided with a third filter screen and a third electronic valve, the air outlet is also provided with a fourth filter screen and a fourth electronic valve, and the air outlet is connected with the autoclave so that the second wet mill generates CO 2 The hot tail gas of (2) is used for autoclaved curing of the autoclave.
The invention also provides a tubular pile, which comprises, by mass, 66.6 to 118 parts of the fiber toughened ultra-high activity cementing material and 157.5 to 562 parts of the gel toughened ultra-early strength cementing material, 0 to 200 parts of cement, 0 to 200 parts of mineral admixture, 1150 to 1275 parts of stone, 620 to 770 parts of sand, 4.5 to 8.25 parts of admixture and 10 to 80 parts of mixing water;
the preparation method of the tubular pile comprises the steps of mixing, centrifuging and autoclaved curing, wherein the autoclaved curing comprises the steps of maintaining the temperature at 50-80 ℃ for 5-8 h before demoulding and CO after demoulding 2 The temperature is kept between 20 and 180 ℃ and the pressure is kept between 0.1 and 1MPa for 2 to 8 hours.
In some embodiments of the invention, the stone is crushed stone or crushed pebbles, and the maximum particle size should not be greater than 25mm.
In some embodiments of the invention, the fineness modulus of the sand is 2.5 to 3.5.
In some embodiments of the invention, the additive may be a water reducing agent, an antifreeze agent, a corrosion inhibitor, a pumping agent, or the like.
Compared with the prior art, the invention has the following beneficial effects:
1. due to CO 2 The molecular structure is simple, the stability is high, the inertia is large, so that the efficient conversion can be realized by using a high-efficiency catalyst, the asymmetric molecular charge center causes that the catalyst is difficult to be captured by an active site in the reaction, the current conversion difficulty is large, the conversion cost is high, in addition, the catalyst is usually required, the catalyst also has the problems of low efficiency, poor stability, poor safety and high price, and the CO is limited 2 Is used for recycling. The invention is realized by H 2 O-CO 2 Under the cooperation of the solid waste particles, the rapid carbon mineralization of the particle surfaces is promoted, the liquid phase environment reduces the hardness of the particle surfaces, the particles are easier to refine under the high-speed collision of grinding media, and as the solid waste particles continuously expose fresh surfaces, the mineral dissolution and reaction (causing cracks) can increase the permeability and the reaction surface area, and the CO 3 2- And Ca 2+ Will not be affected by the reaction contact area and will eventually be completely converted to calcium carbonate. No extra catalyst is needed in the whole process, and the method has the advantages of low energy consumption, high safety, high conversion efficiency and no toxic and harmful byproducts. When mineralized to generate 1mol CaCO 3 Upon precipitation, 44g of CO were allowed to solidify 2 The gas used for pipe pile production will reduce the cement usage by 44g.
2、CO 2 Three crystal forms were observed in mineralization, calcite, aragonite and spheronite, respectively. Aragonite is a metastable CaCO 3 The crystalline form is generally needle-shaped. The acicular aragonite whisker is a superfine fiber with the length of 10-30 mu m and the diameter of 0.5-3 mu m, and can improve the mechanical property and crack resistance of concrete due to lower production cost, thus being applicable to reinforcing cement-based materials. At the same time of pH 7.6-9.8, adopts crystal form regulator to inhibit The prepared aragonite is converted into calcite, needle-shaped aragonite is stably generated through carbonization of solid waste, the fiber toughening ultra-high activity cementing material is obtained, the flexural strength and the tensile strength of the tubular pile concrete are improved, and the solid waste can be used as micro aggregate to fill pores after refining and activating, so that the durability is improved.
3. In the gas phase CO 2 Liquid phase H 2 Under the synergistic effect of O and solid phase medium, on one hand, the decomposition and decalcification of mineral phases such as tricalcium silicate, dicalcium silicate, tricalcium aluminate and the like are realized through a neutralizing agent, and on the other hand, C 3 S、C 2 S and C 3 The gibbs free energy of the hydration reaction A is higher than the carbonization free energy, which indicates that carbonization is easier to occur, and the hydration reaction A is mainly reacted in the grinding process to finally form amorphous phases including silica gel and aluminum-silica gel, thus obtaining the gel toughening super-early strength cementing material. The amorphous phases have higher pozzolanic activity, and can not only improve early-stage and later-stage strength of cement, but also have compact structure as a concrete admixture, thereby being beneficial to improving the durability of the tubular pile.
1/2C 2 S+2HCO 3 - +2H 2 O→2CaCO 3 +H 4 SiO 4 +2OH - ；
1/3C 3 S+3HCO 3 - +2H 2 O→3CaCO 3 +H 4 SiO 4 +3OH - ；
C 3 A+HCO 3 - +4H 2 O→CaCO 3 +C 2 AH 8 +OH - 。
4. Early strength of concrete can be improved by adopting early strength agents in pipe pile production, but each early strength agent has the following defects: the inorganic early strength agent has adverse effect on the durability of the concrete; the organic early strength agent has complex action mechanism and high price; the seed crystal early strength agent is complex to manufacture and has poor compatibility with materials. And steam curing at the too high temperature of the pipe pile can cause structural defects to concrete, so that the later strength is influenced, and the energy consumption is too high. Based on residual slurry of tubular pile and solid waste, CO is utilized 2 The industrial preparation process of the fiber toughening ultra-high activity cementing material and the gel toughening ultra-early strength cementing material is formed and is used for tubular pile production and solid productionCO at present 2 The full absorption of the pipe pile, the curing temperature of the pipe pile and the curing time are reduced, compared with other CO 2 The conversion utilization technology has obvious economic benefit.
Drawings
FIG. 1 shows a pipe pile plant utilizing CO according to the present invention 2 A structural schematic diagram of a system for preparing the multifunctional adhesive material;
FIG. 2 shows a schematic diagram of a first wet mill connection of the present invention;
FIG. 3 shows a schematic structural view of a first wet mill of the present invention;
FIG. 4 shows a schematic diagram of a second wet mill connection of the present invention;
FIG. 5 shows a schematic structural view of a second wet mill of the present invention;
reference numerals illustrate:
1000. a gas phase circulation module; 1001. first CO 2 A gas tank; 1002. second CO 2 A gas tank; 1003. a tail gas tank; 2000. a solid phase homogenization module; 2001. a first stirring tank; 2002. a second stirring tank; 3000. a three-phase grinding module; 3100. a first wet mill; 3101. a cylinder; 3102. a first feed port; 3103. a screen; 3104. a sealing operation table; 3105. a motor; 3106. a finished product bin; 3107. a grinding bin; 3108. a gas conduit; 3109. driving the rotating rod; 3110. a hollow rotating shaft; 3111. a first centrifugal blade; 3112. an air outlet; 3113. a first discharge port; 3114. a horizontal swirl member; 3115. a vertical separation member; 3116. swirl vanes; 3117. conical necking; 3118. a liquid phase outlet; 3119. a tail gas outlet; 3120. a first electronic valve; 3121. a first filter screen; 3200. a second wet mill; 3201. a tank body; 3202. a second air inlet; 3203. a second discharge port; 3204. an exhaust port; 3205. a second feed inlet; 3206. an electromagnetic rotator; 3207. a rotating rod; 3208. a second centrifugal blade; 3209. a second filter screen; 3210. a second electronic valve; 3211. a third filter screen; 3212. a third electronic valve; 3213. a fourth filter screen; 3214. a fourth electronic valve; 4000. a multifunctional glue application module; 4001. a stirrer; 4002. a centrifuge; 4003. and (5) an autoclave.
Detailed Description
The following description of specific embodiments of the present invention and the accompanying drawings will provide a clear and complete description of the technical solutions of embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, the present embodiment provides a method for utilizing CO in a pipe pile plant 2 The system for preparing the multifunctional adhesive comprises a gas-phase circulation module 1000, a solid-phase homogenization module 2000, a three-phase grinding module 3000 and a multifunctional adhesive application module 4000; referring to fig. 2 and 4, the gas phase circulation module 1000 includes a first CO 2 Gas tank 1001, second CO 2 A gas tank 1002 and an exhaust tank 1003, wherein the first CO 2 The gas tank 1001 is connected with the tail gas tank 1003, a first CO 2 Gas tank 1001 and second CO 2 The gas tanks 1002 are each configured to provide a first CO-containing gas 2 Gaseous medium and second CO-containing gas medium 2 A gaseous medium; referring to fig. 2 and 4, the solid phase homogenization module 2000 includes a first agitator tank 2001 for mixing solid waste, water and a first industrial aid to obtain a first slurry, and a second agitator tank 2002 for mixing residual slurry of pipe pile, cement and a second aid to obtain a second slurry.
Referring to fig. 2-5, the three-phase grinding module 3000 includes a first wet grinder 3100 and a second wet grinder 3200, each of the first wet grinder 3100 and the second wet grinder 3200 has a medium ball, and the first wet grinder 3100 is used for mixing the first slurry with the first slurry containing CO 2 Performing first wet grinding under the air medium to obtain the fiber toughening ultra-high activity cementing material, wherein the second wet grinding machine 3200 is used for grinding the second slurry in the second CO-containing state 2 And performing second wet ball milling under an air medium to obtain the gel toughening super-early-strength cementing material. Referring to fig. 2 and 3, the first wet mill 3100 includes a cylinder 3101, a first feed port 3102 at the bottom of the cylinder 3101, a screen 3103 within the cylinder 3101, and a top of the cylinder 3101The sealing operation table 3104, the motor 3105 in the sealing operation table 3104, the first feed port 3102 is connected with the first stirring tank 2001, the first feed port 3102 is further provided with a first filter screen 3121 and a first electronic valve 3120, the screen 3103 divides the interior of the cylinder 3101 into a finished product bin 3106 on the screen 3103 and a grinding bin 3107 under the screen 3103, a first air inlet is provided at the top of the sealing operation table 3104, a gas pipeline 3108 is provided at the first air inlet, and the gas pipeline 3108 and the first CO 2 The gas tank 1001 is connected, the output fixedly connected with drive bull stick 3109 of motor 3105, drive bull stick 3109 fixedly connected with cavity pivot 3110, the top and the gas piping 3108 of cavity pivot 3110 are connected, the lower extreme of cavity pivot 3110 extends to grinding storehouse 3107, be equipped with first centrifugal blade 3111 and evenly distributed's gas outlet 3112 on grinding storehouse 3107's cavity pivot 3110, the outside of finished storehouse 3106 is provided with first discharge gate 3113, first discharge gate 3113 connects the gas-liquid separator, the gas-liquid separator includes horizontal swirl part 3114 and vertical separation part 3115, horizontal swirl part 3114 one end is connected with first discharge gate 3113, the other end and vertical separation part 3115 are through the pipeline connection with the horizontal line contained angle, horizontal swirl part 3114 inside still is provided with swirl vane 3116, the inside of vertical separation part 3115 is provided with toper throat 3117, the lower mouth of vertical separation part 3115 is liquid phase export 3118, vertical separation part 3115 is provided with the export 3119 in the pipeline junction that the contained angle exists, tail gas outlet 3119 is connected with the tail gas tank. Referring to fig. 4 and 5, the second wet mill 3200 includes a tank 3201, a second air inlet 3202 at the bottom of the tank 3201, a second discharge outlet 3203 with one side of the tank 3201 being inclined, an air outlet 3204 with one side of the tank 3201 being inclined, a second feed inlet 3205 at the top of the tank 3201, a rotating bearing provided at the top of the tank 3201, and a stirring member extending into the tank 3201, wherein the stirring member includes an electromagnetic rotator 3206 and a rotating rod 3207, one end of the rotating rod 3207 is connected with the electromagnetic rotator 3206, the other end extends into the tank 3201 through the rotating bearing, a second centrifugal blade 3208 is provided on the rotating rod 3207 inside the tank 3201, and the second air inlet 3202 and the second CO 2 The gas tank 1002 is connected, the second feed port 3205 is connected with the second stirring tank 2002, and the second feed port3205 is further provided with a second filter screen 3209 and a second electronic valve 3210, the second air inlet 3202 is further provided with a third filter screen 3211 and a third electronic valve 3212, and the air outlet 3204 is further provided with a fourth filter screen 3213 and a fourth electronic valve 3214. Referring to fig. 2 and 4, the multifunctional glue application module 4000 includes a stirrer 4001 and a centrifuge 4002 which are connected with each other, and further includes an autoclave 4003, wherein the stirrer 4001 is respectively connected with the first wet mill 3100 and the second wet mill 3200, and is used for stirring and mixing the fiber toughened ultra-high activity cementing material prepared by the first wet mill 3100 and the gel toughened ultra-early strength cementing material prepared by the second wet mill 3200, and the centrifuge 4002 is used for further centrifugation, and the material coming out from the centrifuge 4002 can be used for preparing concrete pipe piles. Referring to fig. 4, an exhaust port 3204 of the second wet mill 3200 is connected to the autoclave 4003 for ball milling CO produced by the second wet mill 3200 in the second wet process 2 The tail gas is used for curing the concrete material in the autoclave 4003. Wherein, the first wet mill adopts continuous grinding through lower feeding, upper discharging, and the second wet mill adopts upper feeding, lower discharging, and intermittent feeding.
In the present embodiment, the first CO 2 Gas tank 1001 and second CO 2 The gas tanks 1002 can self-compress air to prepare CO 2 Can also be combined with CO 2 Gas cylinder connection direct use CO 2 CO-containing gas cylinders 2 Is carried out by using the gas of the formula (I). But need to ensure that the first CO-containing 2 CO in gaseous medium 2 The content is more than 10 percent, the second contains CO 2 CO in gaseous medium 2 The content is more than 30 percent. The fiber-toughened ultra-high-activity cement and the toughened ultra-early-strength cement used in the following examples each use CO of example 1 2 First wet grinder 3100 and second wet grinder 3200 of the system for preparing multifunctional glue material, first CO-containing 2 CO in gaseous medium 2 The content is 20 percent, the second CO-containing 2 CO in gaseous medium 2 The content is 40%. Wherein, the particle diameter of the fiber toughening super-active cementing material is less than 30 mu m, the pH value is 7.6-9.8, and the particle diameter of the gel toughening super-early-strength cementing material is less than 2 mu m, the pH value is 6.36.8. And, further use the multi-functional glue material application module 4000 of multi-functional glue material to prepare the tubular column, CO at the time of autoclaving maintenance 2 CO-containing produced by the second wet ball milling process of the second wet mill 3200 2 The total mass ratio of CaO, mgO and FeO in the solid waste is 10%, broken stone or broken pebbles are adopted as the stone, the maximum particle size is not more than 25mm, the fineness modulus of the sand is 2.5-3.5, and the contents are not repeated.
Example 2
The preparation method of the tubular pile comprises the following steps in parts by mass,
s1, mixing 100 parts of solid waste (steel slag), 18 parts of water and 3.33 parts of a first industrial auxiliary agent (a crystal form regulator, a viscosity reducer, a chelating agent and a cosolvent according to a mass ratio of 5:0.4:0.3:0.3), wherein the crystal form regulator is magnesium hydroxide, the viscosity reducer is sodium hexametaphosphate, the chelating agent is ethylenediamine tetraacetic acid and the cosolvent is polyethyleneimine) uniformly to obtain a first slurry;
s2, continuously adding the first slurry by adopting a continuous feeding mode, and enabling the first slurry to contain the first CO at the air inlet temperature of 40 ℃ and the air inlet rate per unit mass of 15L/kg.min 2 Performing first wet ball milling (ball-to-material ratio 1:4) under an air medium;
s3, mixing the CO generated in the step S2 2 As the next first CO-containing tail gas 2 The gas medium is recycled to ensure that the next batch of first CO-containing gas 2 CO in gaseous medium 2 The content is higher than 5%, and the step S2 is repeated to obtain the fiber toughening ultra-high activity cementing material;
t1, uniformly mixing 100 parts of tubular pile residual slurry (with the water content of 60 percent) and 1 part of a second industrial auxiliary agent (neutralizer, phosphoric acid) to obtain second slurry;
t2, adding the next batch of second slurry after the preparation of one batch of products is finished by adopting a discontinuous feeding mode, and enabling the second slurry to contain second CO at the air inlet temperature of 40 ℃ and the air inlet rate of 15L/kg.min per unit mass 2 Performing second wet ball milling (ball-to-material ratio of 1:2) on the gas medium to obtain gel toughening super-early-strength cementing material, and recovering generated CO-containing material 2 Is a hot tail gas of (2);
x1, uniformly stirring and mixing 118 parts of fiber toughening ultra-high-activity cementing material, 157.5 parts of gel toughening ultra-early-strength cementing material, 200 parts of cement, 100 parts of mineral admixture, 1200 parts of stone, 770 parts of sand, 70 parts of water and 8.25 parts of additive, and centrifuging;
x2, then filling the mixture into a die, transferring the die into a steam curing pool at 50 ℃ for curing for 7 hours, and then demolding, wherein the CO is recovered in the step T2 2 The temperature is 100 ℃ and the pressure is 1MPa for 6 hours, and the tubular pile is obtained.
Example 3
The preparation method of the tubular pile comprises the following steps in parts by mass,
s1, uniformly mixing 100 parts of solid waste (formed by mixing steel slag and blast furnace slag), 566 parts of water and 0.59 part of a first industrial auxiliary agent (a crystal form regulator, a soluble magnesium salt) to obtain a first slurry;
s2, continuously adding the first slurry by adopting a continuous feeding mode, and enabling the first slurry to contain the first CO at the air inlet temperature of 35 ℃ and the air inlet rate of 5L/kg-min per unit mass 2 Performing first wet ball milling (ball-to-material ratio 1:3) under an air medium;
s3, mixing the CO generated in the step S2 2 As the next first CO-containing tail gas 2 The gas medium is recycled to ensure that the next batch of first CO-containing gas 2 CO in gaseous medium 2 The content is higher than 5%, and the step S2 is repeated to obtain the fiber toughening ultra-high activity cementing material;
t1, uniformly mixing 100 parts of tubular pile residual slurry (with the water content of 60 percent) and 1 part of a second industrial auxiliary agent (neutralizer, soluble phosphate) to obtain a second slurry;
t2, adding the next batch of second slurry after the preparation of one batch of products is finished by adopting a discontinuous feeding mode, and enabling the second slurry to contain second CO at the air inlet temperature of 35 ℃ and the air inlet rate of 15L/kg.min per unit mass 2 Performing second wet ball milling (ball-to-material ratio of 1:2) under air medium to obtain gel toughening super early strength cementing material, and recovering generated CO-containing material 2 Is a hot tail gas of (2);
x1, uniformly stirring and mixing 66.6 parts of fiber toughened ultra-high-activity cementing material, 157.5 parts of gel toughened ultra-early-strength cementing material, 200 parts of cement, 200 parts of mineral admixture, 1275 parts of stone, 650 parts of sand, 25 parts of water and 4.5 parts of additive, and centrifuging;
x2, then filling the mixture into a die, transferring the die into a steam curing pool at 80 ℃ for curing for 6 hours, and then demolding, wherein the CO is recovered in the step T2 2 The temperature is 180 ℃ and the pressure is 1MPa for 6 hours, and the tubular pile is obtained.
Example 4
The preparation method of the tubular pile comprises the following steps in parts by mass,
s1, uniformly mixing 100 parts of solid waste (steel slag, blast furnace slag and high-calcium fly ash), 50 parts of water and 1.1 part of a first industrial auxiliary agent (a crystal form regulator and a viscosity reducer are mixed according to a mass ratio of 5:1, wherein the crystal form regulator is formed by mixing a soluble magnesium salt and ammonia water according to a mass ratio of 2:1, and the viscosity reducer is sodium tripolyphosphate) to obtain a first slurry;
s2, continuously adding the first slurry by adopting a continuous feeding mode, and enabling the first slurry to contain the first CO at the air inlet temperature of 30 ℃ and the air inlet rate of 10L/kg-min per unit mass 2 Performing first wet ball milling (ball-to-material ratio 1:4) under an air medium;
s3, mixing the CO generated in the step S2 2 As the next first CO-containing tail gas 2 The gas medium is recycled to ensure that the next batch of first CO-containing gas 2 CO in gaseous medium 2 The content is higher than 5%, and the step S2 is repeated to obtain the fiber toughening ultra-high activity cementing material;
t1, uniformly mixing 100 parts of tubular pile residual slurry (with the water content of 60 percent) and 1 part of a second industrial auxiliary agent (neutralizer, glycine) to obtain a second slurry;
t2, adding the next batch of second slurry after the preparation of one batch of products is finished by adopting a discontinuous feeding mode, and enabling the second slurry to contain the second CO at the air inlet temperature of 30 ℃ and the air inlet rate of 15L/kg.min per unit mass 2 Performing second wet ball milling (ball-to-material ratio of 1:2) under air medium to obtain gel toughening super early strength cementing material, and recovering generated CO-containing material 2 Is a hot tail gas of (2);
x1, uniformly stirring and mixing 118 parts of fiber toughening ultra-high-activity cementing material, 157.5 parts of gel toughening ultra-early-strength cementing material, 200 parts of cement, 120 parts of mineral admixture, 1220 parts of stone, 740 parts of sand, 50 parts of water and 7.6 parts of additive, and centrifuging;
x2, then filling the mixture into a die, transferring the die into a steam curing pool at 65 ℃ for curing for 7 hours, and then demolding, wherein the CO is recovered in the step T2 2 The temperature is 150 ℃ and the pressure is 1MPa for 6 hours, and the tubular pile is obtained.
Example 5
The preparation method of the tubular pile comprises the following steps in parts by mass,
s1, mixing 100 parts of solid waste (steel slag, blast furnace slag, high-calcium fly ash, electric furnace slag, carbide slag, magnesium slag, biomass ash and cement kiln ash), 200 parts of water and 1.8 parts of a first industrial auxiliary agent (a crystal form regulator, a viscosity reducer and a chelating agent are mixed according to a mass ratio of 5:0.3:0.7, wherein the crystal form regulator is formed by mixing magnesium hydroxide, ammonia water and soluble aluminum salt according to a mass ratio of 2:1:1, the viscosity reducer is formed by mixing sodium tripolyphosphate and sodium hexametaphosphate according to a mass ratio of 1:1, and the chelating agent is formed by mixing disodium ethylenediamine tetraacetate and phytic acid according to a mass ratio of 1:1) uniformly to obtain a first slurry;
S2, continuously adding the first slurry by adopting a continuous feeding mode, and enabling the first slurry to contain the first CO at the air inlet temperature of 25 ℃ and the air inlet rate of 10L/kg-min per unit mass 2 Performing first wet ball milling (ball-to-material ratio 1:4) under an air medium;
s3, mixing the CO generated in the step S2 2 As the next first CO-containing tail gas 2 The gas medium is recycled to ensure that the next batch of first CO-containing gas 2 CO in gaseous medium 2 The content is higher than 5%, and the step S2 is repeated to obtain the fiber toughening ultra-high activity cementing material;
t1, uniformly mixing 100 parts of tubular pile residual slurry (with the water content of 60 percent) and 1 part of a second industrial auxiliary agent (a neutralizing agent which is formed by mixing phosphoric acid and soluble phosphate in a mass ratio of 1:3) to obtain second slurry;
t2, adding a next batch of second slurry after the preparation of one batch of products is finished by adopting a discontinuous feeding mode, and enabling the second slurry to enter a furnace at the air inlet temperature of 40℃,A second CO-containing gas inlet rate per unit mass of 15L/kg-min 2 Performing second wet ball milling (ball-to-material ratio of 1:2) under air medium to obtain gel toughening super early strength cementing material, and recovering generated CO-containing material 2 Is a hot tail gas of (2);
x1, uniformly stirring and mixing 118 parts of fiber toughening ultra-high-activity cementing material, 157.5 parts of gel toughening ultra-early-strength cementing material, 200 parts of cement, 160 parts of mineral admixture, 1235 parts of stone, 710 parts of sand, 10 parts of water and 6.2 parts of additive, and centrifuging;
X2, then filling the mixture into a die, transferring the die into a steam curing pool at 70 ℃ for curing for 7 hours, and then demolding, wherein the CO is recovered in the step T2 2 The temperature is 180 ℃ and the pressure is 0.5MPa for 6 hours, and the tubular pile is obtained.
Example 6
The preparation method of the tubular pile comprises the following steps in parts by mass,
s1, mixing 100 parts of solid waste (steel slag, blast furnace slag, high-calcium fly ash, electric furnace slag, carbide slag, magnesium slag, biomass ash, cement kiln ash, municipal waste incineration ash and construction waste micro powder), 400 parts of water and 2.5 parts of a first industrial auxiliary agent (a crystal form regulator, a viscosity reducer, a chelating agent and a cosolvent according to a mass ratio of 5:0.5:0.3:0.2, wherein the crystal form regulator is formed by mixing magnesium hydroxide, ammonia water and soluble aluminum salt according to a mass ratio of 1:1:1, the viscosity reducer is an AA-AM copolymerized sodium salt anionic ammonium polyacrylate salt aqueous solution, the chelating agent is disodium ethylenediamine tetraacetate and the cosolvent is ammonium nitrate ethanol ammonium), and uniformly mixing to obtain a first slurry;
s2, continuously adding the first slurry by adopting a continuous feeding mode, and enabling the first slurry to contain the first CO at the air inlet temperature of 25 ℃ and the air inlet rate of 15L/kg-min per unit mass 2 Performing first wet ball milling (ball-to-material ratio 1:3.5) under an air medium;
S3, mixing the CO generated in the step S2 2 As the next first CO-containing tail gas 2 The gas medium is recycled to ensure that the next batch of first CO-containing gas 2 CO in gaseous medium 2 The content is higher than 5%, and the step S2 is repeated to obtain the fiber toughening ultra-high activity cementing material;
t1, uniformly mixing 100 parts of tubular pile residual slurry (with water content of 60 percent) and 1 part of a second industrial auxiliary agent (a neutralizing agent which is formed by mixing phosphoric acid, soluble phosphate and glycine according to a mass ratio of 1:3:1) to obtain a second slurry;
t2, adding the next batch of second slurry after the preparation of one batch of products is finished by adopting a discontinuous feeding mode, and enabling the second slurry to contain second CO at a second temperature of 25 ℃ and an air inlet rate per unit mass of 15L/kg.min 2 Performing second wet ball milling (ball-to-material ratio of 1:2) under air medium to obtain gel toughening super early strength cementing material, and recovering generated CO-containing material 2 Is a hot tail gas of (2);
x1, uniformly stirring and mixing 100 parts of fiber toughening ultra-high-activity cementing material, 157.5 parts of gel toughening ultra-early-strength cementing material, 200 parts of cement, 180 parts of mineral admixture, 1250 parts of stone, 680 parts of sand, 10 parts of water and 5.3 parts of additive, and centrifuging;
x2, then filling the mixture into a die, transferring the die into a steam curing pool at 80 ℃ for curing for 7 hours, and then demolding, wherein the CO is recovered in the step T2 2 The temperature is 180 ℃ and the pressure is 1MPa for 6 hours, and the tubular pile is obtained.
Example 7
The preparation method of the tubular pile comprises the following steps in parts by mass,
s1, mixing 100 parts of solid waste (steel slag, blast furnace slag, high-calcium fly ash, electric furnace slag, carbide slag, magnesium slag, biomass ash, cement kiln ash, municipal waste incineration ash and construction waste micro powder), 18 parts of water and 3.33 parts of a first industrial auxiliary agent (a crystal form regulator, a viscosity reducer, a chelating agent and a cosolvent according to a mass ratio of 5:0.6:0.2:0.2), wherein the crystal form regulator is formed by mixing a soluble magnesium salt and ammonia water according to a mass ratio of 1:3, the viscosity reducer is sodium hexametaphosphate, the chelating agent is ethylenediamine tetraacetic acid, and the cosolvent is polypropylene imine), and uniformly mixing to obtain a first slurry;
s2, continuously adding the first slurry in a continuous feeding mode, and introducing CO with a unit mass air inlet rate of 15L/kg.min at the air inlet temperature of 20 DEG C 2 First CO-containing component 2 Performing first wet ball milling (ball-to-material ratio) under air medium1:4)；
S3, mixing the CO generated in the step S2 2 As the next first CO-containing tail gas 2 The gas medium is recycled to ensure that the next batch of first CO-containing gas 2 CO in gaseous medium 2 The content is higher than 5%, and the step S2 is repeated to obtain the fiber toughening ultra-high activity cementing material;
T1, uniformly mixing 100 parts of tubular pile residual slurry (the water content is 20%), and 1.2 parts of a second industrial auxiliary agent (a neutralizer, which is formed by mixing glycine and sulfamic acid in a mass ratio of 1:2) to obtain a second slurry;
t2, adding the next batch of second slurry after the preparation of one batch of products is finished by adopting a discontinuous feeding mode, and enabling the second slurry to contain second CO at the air inlet temperature of 20 ℃ and the air inlet rate of 20L/kg-min per unit mass 2 Performing second wet ball milling (ball-to-material ratio of 1:2) under air medium to obtain gel toughening super early strength cementing material, and recovering generated CO-containing material 2 Is a hot tail gas of (2);
x1, uniformly stirring and mixing 118 parts of fiber toughening ultra-high-activity cementing material, 187.5 parts of gel toughening ultra-early-strength cementing material, 100 parts of cement, 200 parts of mineral admixture, 1150 parts of stone, 620 parts of sand, 80 parts of water and 8.25 parts of additive, and centrifuging;
x2, then filling the mixture into a die, transferring the die into a steam curing pool at 50 ℃ for curing for 7 hours, and then demolding, wherein the CO is recovered in the step T2 2 The temperature is 100 ℃ and the pressure is 0.5MPa for 4 hours, and the tubular pile is obtained.
Example 8
The preparation method of the tubular pile comprises the following steps in parts by mass,
s1, mixing 100 parts of solid waste (steel slag, blast furnace slag, high-calcium fly ash, electric furnace slag, carbide slag, magnesium slag, biomass ash, cement kiln ash, municipal waste incineration ash and construction waste micro powder), 18 parts of water and 3.33 parts of a first industrial auxiliary agent (a crystal form regulator, a viscosity reducer, a chelating agent and a dissolution promoter in a mass ratio of 5:0.7:0.1:0.2, wherein the crystal form regulator is formed by mixing soluble magnesium salt and ammonia water in a mass ratio of 1:2, the viscosity reducer is sodium tripolyphosphate, the chelating agent is phytic acid, and the dissolution promoter is ammonium ethanol nitrate), and uniformly obtaining a first slurry;
S2, continuously adding the first slurry in a continuous feeding mode, and introducing CO with a unit mass air inlet rate of 15L/kg.min at an air inlet temperature of 15 DEG C 2 First CO-containing component 2 Performing first wet ball milling (ball-to-material ratio 1:4) under an air medium;
s3, mixing the CO generated in the step S2 2 As the next first CO-containing tail gas 2 The gas medium is recycled to ensure that the next batch of first CO-containing gas 2 CO in gaseous medium 2 The content is higher than 5%, and the step S2 is repeated to obtain the fiber toughening ultra-high activity cementing material;
t1, mixing 100 parts of tubular pile residual slurry (water content 30%), 10 parts of cement and 1.4 parts of a second industrial auxiliary agent (neutralizing agent, retarder and chelating agent in a mass ratio of 10:0.6:0.4), wherein the neutralizing agent is formed by mixing glycine and sulfamic acid in a mass ratio of 1:2, the retarder is white sugar, and the chelating agent is disodium ethylenediamine tetraacetate) uniformly to obtain a second slurry;
t2, adding the next batch of second slurry after the preparation of one batch of products is finished by adopting a discontinuous feeding mode, and enabling the second slurry to contain second CO at the air inlet temperature of 15 ℃ and the air inlet rate of 25L/kg.min per unit mass 2 Performing second wet ball milling (ball-to-material ratio is 1:1) under an air medium to obtain a gel toughening super-early-strength cementing material;
x1, uniformly stirring and mixing 118 parts of fiber toughening ultra-high-activity cementing material, 312.5 parts of gel toughening ultra-early-strength cementing material, 100 parts of cement, 100 parts of mineral admixture, 1150 parts of stone, 620 parts of sand, 57 parts of water and 8.25 parts of additive, and centrifuging;
X2, then filling the mixture into a die, transferring the die into a steam curing pool at 50 ℃ for curing for 7 hours, and then demolding, wherein the CO is recovered in the step T2 2 The temperature is 100 ℃ and the pressure is 0.3MPa for 4 hours, and the tubular pile is obtained.
Example 9
The preparation method of the tubular pile comprises the following steps in parts by mass,
s1, mixing 100 parts of solid waste (steel slag, blast furnace slag, high-calcium fly ash, electric furnace slag, carbide slag, magnesium slag, biomass ash, cement kiln ash, municipal waste incineration ash and construction waste micro powder), 18 parts of water and 3.33 parts of a first industrial auxiliary agent (a crystal form regulator, a viscosity reducer, a chelating agent and a cosolvent according to a mass ratio of 5:0.8:0.1:0.1), wherein the crystal form regulator is formed by mixing a soluble magnesium salt and ammonia water according to a mass ratio of 3:1, the viscosity reducer is sodium tripolyphosphate, the chelating agent is phytic acid, and the cosolvent is ammonium nitrate ethanol ammonium), and uniformly mixing to obtain a first slurry;
s2, continuously adding the first slurry by adopting a continuous feeding mode, and enabling the first slurry to contain the first CO at the air inlet temperature of 10 ℃ and the air inlet rate of 15L/kg-min per unit mass 2 Performing first wet ball milling (ball-to-material ratio 1:4) under an air medium;
s3, mixing the CO generated in the step S2 2 As the next first CO-containing tail gas 2 The gas medium is recycled to ensure that the next batch of first CO-containing gas 2 CO in gaseous medium 2 The content is higher than 5%, and the step S2 is repeated to obtain the fiber toughening ultra-high activity cementing material;
t1, mixing 100 parts of tubular pile residual slurry (water content 40%), 20 parts of cement and 2 parts of a second industrial auxiliary agent (neutralizing agent, retarder, chelating agent and cosolvent according to a mass ratio of 10:0.7:0.15:0.15), wherein the neutralizing agent is formed by mixing glycine and sulfamic acid according to a mass ratio of 5:1, the retarder is formed by mixing white sugar and biological sugar according to a mass ratio of 6:1, the chelating agent is formed by mixing ethylenediamine tetraacetic acid and phytic acid according to a mass ratio of 3:5, and the cosolvent is ammonium ethoxide nitrate) uniformly to obtain a second slurry;
t2, adding the next batch of second slurry after the preparation of one batch of products is finished by adopting a discontinuous feeding mode, and enabling the second slurry to contain second CO at the air inlet temperature of 10 ℃ and the air inlet rate of 30L/kg-min per unit mass 2 Performing second wet ball milling (ball-to-material ratio is 1:1) under an air medium to obtain a gel toughening super-early-strength cementing material;
x1, uniformly stirring and mixing 118 parts of fiber toughening ultra-high-activity cementing material, 437.5 parts of gel toughening ultra-early-strength cementing material, 100 parts of cement, 1150 parts of stone, 620 parts of sand, 32 parts of water and 8.25 parts of additive, and centrifuging;
X2, then filling the mixture into a die, transferring the die into a steam curing pool at 50 ℃ for curing for 7 hours, and then demolding, wherein the CO is recovered in the step T2 2 The temperature is 100 ℃ and the pressure is 0.1MPa for 4 hours, and the tubular pile is obtained.
Example 10
The preparation method of the tubular pile comprises the following steps in parts by mass,
s1, mixing 100 parts of solid waste (steel slag, blast furnace slag, high-calcium fly ash, electric furnace slag, carbide slag, magnesium slag, biomass ash, cement kiln ash, municipal waste incineration ash and construction waste micro powder), 18 parts of water and 3.33 parts of a first industrial auxiliary agent (a crystal form regulator, a viscosity reducer, a chelating agent and a cosolvent according to a mass ratio of 5:0.7:0.15:0.15), wherein the crystal form regulator is formed by mixing a soluble magnesium salt and ammonia water according to a mass ratio of 5:1, the viscosity reducer is sodium tripolyphosphate, the chelating agent is phytic acid, and the cosolvent is ammonium nitrate ethanol ammonium), and uniformly mixing to obtain a first slurry;
s2, continuously adding the first slurry in a continuous feeding mode, and enabling the first slurry to contain the first CO at the air inlet temperature of 5 ℃ and the air inlet rate of 15L/kg-min per unit mass 2 Performing first wet ball milling (ball-to-material ratio 1:4) under an air medium;
s3, mixing the CO generated in the step S2 2 As the next first CO-containing tail gas 2 The gas medium is recycled to ensure that the next batch of first CO-containing gas 2 CO in gaseous medium 2 The content is higher than 5%, and the step S2 is repeated to obtain the fiber toughening ultra-high activity cementing material;
t1, mixing 100 parts of tubular pile residual slurry (water content 50%), 30 parts of cement and 1 part of a second industrial auxiliary agent (a neutralizing agent, a retarder, a chelating agent and a cosolvent in a mass ratio of 10:0.4:0.3:0.3), wherein the neutralizing agent is formed by mixing glycine and sulfamic acid in a mass ratio of 8:1, the retarder is formed by mixing white sugar and biological sugar in a mass ratio of 3:2, the chelating agent is formed by mixing ethylenediamine tetraacetic acid and phytic acid in a mass ratio of 3:2, and the cosolvent is formed by mixing ammonium nitrate ethoxide and polypropylene imine in a mass ratio of 1:1) uniformly to obtain a second slurry;
t2, adopting a discontinuous feeding modeAdding the next second slurry after the preparation of one batch of products, and introducing CO with the air inlet rate of 30L/kg.min per unit mass at the air inlet temperature of 5 DEG C 2 Constituted CO 2 Performing second wet ball milling (ball-to-material ratio is 1:1) in the atmosphere to obtain gel toughening super-early-strength cementing material;
x1, uniformly stirring and mixing 118 parts of fiber toughening ultra-high-activity cementing material, 562 parts of gel toughening ultra-early-strength cementing material, 1150 parts of stone, 620 parts of sand, 10 parts of water and 8.25 parts of additive, and centrifuging;
X2, then filling the mixture into a die, transferring the die into a steam curing pool at 50 ℃ for curing for 7 hours, and then demolding, wherein the CO is recovered in the step T2 2 The temperature is 180 ℃ and the pressure is 1MPa for 6 hours, and the tubular pile is obtained.
Example 11
The preparation method of the tubular pile comprises the following steps in parts by mass,
s1, mixing 100 parts of solid waste (steel slag, blast furnace slag, high-calcium fly ash, electric furnace slag, carbide slag, magnesium slag, biomass ash, cement kiln ash, municipal waste incineration ash and construction waste micro powder), 18 parts of water and 3.33 parts of a first industrial auxiliary agent (a crystal form regulator, a viscosity reducer, a chelating agent and a cosolvent according to a mass ratio of 5:0.6:0.2:0.2), wherein the crystal form regulator is formed by mixing a soluble magnesium salt and ammonia water according to a mass ratio of 3:5, the viscosity reducer is sodium tripolyphosphate, the chelating agent is phytic acid, and the cosolvent is ammonium nitrate ethanol ammonium), and uniformly mixing to obtain a first slurry;
s2, continuously adding the first slurry in a continuous feeding mode, and enabling the first slurry to contain the first CO at the air inlet temperature of 5 ℃ and the air inlet rate of 15L/kg-min per unit mass 2 Performing first wet ball milling (ball-to-material ratio 1:4) under an air medium;
s3, mixing the CO generated in the step S2 2 As the next first CO-containing tail gas 2 The gas medium is recycled to ensure that the next batch of first CO-containing gas 2 CO in gaseous medium 2 The content is higher than 5%, and the step S2 is repeated to obtain the fiber toughening ultra-high activity cementing material;
t1, mixing 100 parts of tubular pile residual slurry (water content 60%), 40 parts of cement and 1 part of a second industrial auxiliary agent (a neutralizing agent, a retarder, a chelating agent and a cosolvent in a mass ratio of 10:0.5:0.25:0.25), wherein the neutralizing agent is formed by mixing glycine and sulfamic acid in a mass ratio of 2:3, the retarder is formed by mixing white sugar and sugar-containing peel in a mass ratio of 5:2, the chelating agent is formed by mixing ethylenediamine tetraacetic acid and phytic acid in a mass ratio of 3:4, and the cosolvent is formed by mixing ammonium nitrate and polypropylene imine in a mass ratio of 1:3) uniformly to obtain a second slurry;
t2, adding the next batch of second slurry after the preparation of one batch of products is finished by adopting a discontinuous feeding mode, and introducing CO with the unit mass air inlet rate of 30L/kg.min at the temperature of 5 DEG C 2 Second constituent CO-containing 2 Performing second wet ball milling (ball-to-material ratio is 1:1) under an air medium to obtain a gel toughening super-early-strength cementing material;
x1, uniformly stirring and mixing 118 parts of fiber toughening ultra-high-activity cementing material, 562 parts of gel toughening ultra-early-strength cementing material, 1150 parts of stone, 620 parts of sand, 10 parts of water and 8.25 parts of additive, and centrifuging;
X2, then filling the mixture into a die, transferring the die into a steam curing pool at 50 ℃ for curing for 7 hours, and then demolding, wherein the CO is recovered in the step T2 2 And (3) maintaining the hot tail gas at the pressure of 0.1MPa for 8 hours to obtain the tubular pile.
The carbon emission coefficient of the cement is 0.86kg/t, and the carbon emission coefficient of the solid waste is not calculated. Example 9 fiber-toughened ultra-high active gel material and gel-toughened ultra-early-strength gel material with carbon fixation amount of 44kg/t, and energy consumption value of unit tubular pile product reduced to 21.3kg standard coal/m 3 The method comprises the steps of carrying out a first treatment on the surface of the In the embodiment 10, the carbon fixation amount of the fiber toughening ultra-high activity cementing material and the gel toughening ultra-early strength cementing material is 36kg/t, and the energy consumption value of unit tubular pile products is reduced to 30.1kg of standard coal/m 3 The method comprises the steps of carrying out a first treatment on the surface of the In the embodiment 11, the carbon fixation amount of the fiber toughening ultra-high activity cementing material and the gel toughening ultra-early strength cementing material is 28kg/t, and the energy consumption value of unit tubular pile products is reduced to 14.7kg of standard coal/m 3 . According to the conventional production method, the energy consumption value of the unit tubular pile product is 38.8kg of standard coal/m 3 . Meanwhile, the strength of the pipe piles prepared in examples 9 to 11 of the present invention is substantially equal to that of the pipe piles on the market. This isThe results show that the invention solidifies CO in the preparation process of the fiber-toughened ultra-high activity cementing material and the gel-toughened ultra-early-strength cementing material 2 Gas, realize CO 2 Is used for the glue material.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (10)
1. Pipe pile factory utilizes CO 2 The method for preparing the multifunctional adhesive material is characterized by comprising the following steps of, by mass,
s1, mixing 100 parts of solid waste, 18-566 parts of water and 0.59-3.33 parts of a first industrial auxiliary agent to obtain a first slurry,
s2, continuously adding the first slurry in a continuous feeding mode, and adding the first slurry into the first slurry containing CO 2 Performing first wet ball milling under a gas medium;
s3, mixing the CO generated in the step S2 2 As the next first CO-containing tail gas 2 The gas medium is recycled to ensure that the next batch of first CO-containing gas 2 CO in gaseous medium 2 The content is higher than 5%, and the step S2 is repeated to obtain the fiber toughening ultra-high activity cementing material;
And, a step of, in the first embodiment,
t1, mixing 100 parts of residual slurry of the tubular pile, 0-40 parts of cement and 1-2 parts of a second industrial auxiliary agent to obtain second slurry,
t2, adding a next second slurry after the preparation of one batch of products is finished by adopting a discontinuous feeding mode, and adding the second slurry into a second reactor containing CO 2 Performing second wet ball milling under the air medium to obtain gel toughening super-early-strength cementing material, and recovering generated CO-containing material 2 Is a hot tail gas of the engine.
2. A pipe pile plant utilizing CO according to claim 1 2 The method for preparing the multifunctional glue material is characterized in that the ball-material ratio of the first wet ball milling is 1:3-4, and the ball-material ratio of the second wet ball milling is 1:1-2;
the particle size of the fiber toughening ultra-high activity cementing material is less than 30 mu m, and the pH value is 7.6-9.8;
the particle size of the gel toughening super early strength type cementing material is smaller than 2 mu m, and the pH value is 6.3-6.8.
3. A pipe pile plant utilizing CO according to claim 1 2 The method for preparing the multifunctional adhesive material is characterized in that the first industrial auxiliary agent comprises at least one of a crystal form regulator, a viscosity reducer, a chelating agent and a solvent promoter;
the second industrial auxiliary agent comprises at least one of a neutralizer, a retarder, a chelating agent and a solvent.
4. A pipe pile plant utilizing CO according to claim 3 2 The method for preparing the multifunctional glue material is characterized in that the crystal form regulator comprises at least one of soluble magnesium salt, magnesium hydroxide, ammonia water and soluble aluminum salt;
the neutralizer comprises at least one of phosphoric acid, soluble phosphate, glycine and sulfamic acid.
5. A pipe pile plant utilizing CO according to claim 1 2 The method for preparing the multifunctional adhesive material is characterized in that the first adhesive material contains CO 2 The air inlet temperature of the air medium is 5-40 ℃ and the air inlet rate per unit mass is 5-15L/kg.min;
the second CO-containing 2 The air inlet temperature of the air medium is 5-40 ℃ and the air inlet rate per unit mass is 15-30L/kg.min.
6. A pipe pile plant utilizing CO according to claim 5 2 The method for preparing the multifunctional adhesive material is characterized in that the first adhesive material contains CO 2 CO in gaseous medium 2 The content is more than 10 percent, the second CO-containing 2 CO in gaseous medium 2 The content is more than 30 percent.
7. A pipe pile plant utilizing CO according to claim 1 2 The method for preparing the multifunctional glue material is characterized in that the solid waste comprises at least one of steel slag, blast furnace slag, high-calcium fly ash, electric furnace slag, carbide slag, magnesium slag, biomass ash, cement kiln ash, municipal waste incineration ash and construction waste micro powder;
The total mass ratio of CaO, mgO and FeO in the solid waste is more than or equal to 10%;
the residual slurry of the pipe pile is generated in the pipe pile production process of a pipe pile factory, and the water content is 20-60%.
8. Pipe pile factory utilizes CO 2 The system for preparing the multifunctional adhesive material is characterized by comprising a gas-phase circulation module, a solid-phase homogenization module and a three-phase grinding module;
the gas phase circulation module comprises a first CO 2 Gas tank, second CO 2 A gas tank and a tail gas tank, wherein the first CO 2 The gas tank is connected with the tail gas tank, the first CO 2 Gas tank and second CO 2 The gas tanks are respectively used for providing first CO-containing gas 2 Gaseous medium and second CO-containing gas medium 2 A gaseous medium;
the solid-phase homogenization module comprises a first stirring tank and a second stirring tank, wherein the first stirring tank is used for mixing solid waste, water and a first industrial auxiliary agent to obtain a first slurry, and the second stirring tank is used for mixing residual slurry of the pipe pile, cement and a second auxiliary agent to obtain a second slurry;
the three-phase grinding module comprises a first wet grinding machine and a second wet grinding machine, wherein the first wet grinding machine and the second wet grinding machine are provided with medium balls, and the first wet grinding machine is used for mixing the first slurry with the first slurry containing CO 2 Performing first wet ball milling under an air medium to obtain the fiber-toughened ultrahigh-activity cementing material, wherein the second wet mill is used for carrying out CO-containing on the second slurry 2 Performing second wet ball milling under an air medium to obtain a gel toughening super-early-strength cementing material;
the first wet grinding machine comprises a barrel, a first feed inlet at the bottom of the barrel, a screen in the barrel, a sealing operation table at the top of the barrel and a motor in the sealing operation table, wherein the first feed inlet is connected with a first stirring tank, the screen divides the interior of the barrel into a finished product bin on the screen and a grinding bin below the screen, a first air inlet is formed in the top of the sealing operation table, a gas pipeline is arranged at the first air inlet, and the gas pipeline and the first CO are connected through the first air inlet 2 The gas tank is connected, the output end of the motor is fixedly connected with a driving rotating rod, the driving rotating rod is fixedly connected with a hollow rotating shaft, the top end of the hollow rotating shaft is connected with a gas pipeline, the lower end of the hollow rotating shaft extends to the grinding bin, a first centrifugal blade and uniformly distributed gas outlets are arranged on the hollow rotating shaft of the grinding bin, a first discharge port is arranged on the outer side of the finished product bin, the first discharge port is connected with a gas-liquid separator, the gas-liquid separator comprises a horizontal rotational flow part and a vertical separation part, one end of the horizontal rotational flow part is connected with the first discharge port, the other end of the horizontal rotational flow part is connected with the vertical separation part through a pipeline with an included angle with a horizontal line, rotational flow blades are further arranged in the horizontal rotational flow part, a conical shrinkage port is arranged in the vertical separation part, a liquid phase outlet is arranged at the lower port of the vertical separation part above the pipeline connection part with the included angle, and the tail gas outlet is connected with the tail gas tank;
The second wet mill comprises a tank body, a second air inlet at the bottom of the tank body, a second discharge hole with one side of the tank body being deviated, an exhaust hole with one side of the tank body being deviated, a second feed inlet at the top of the tank body, a rotating bearing arranged at the top of the tank body and a stirring part extending into the tank body, wherein the stirring part comprises an electromagnetic rotator and a rotating rod, one end of the rotating rod is connected with the electromagnetic rotator, the other end of the rotating rod extends into the tank body through the rotating bearing, a second centrifugal blade is arranged on the rotating rod in the tank body, and the second air inlet and the second CO are arranged on the rotating rod in the tank body 2 The air tank is connected, and the second feed inlet is connected with the second stirring tank;
wherein, the first wet mill adopts continuous grinding through lower feeding, upper discharging, and the second wet mill adopts upper feeding, lower discharging, and intermittent feeding.
9. A pipe pile plant utilizing CO according to claim 8 2 The system for preparing the multifunctional adhesive material is characterized by further comprising a multifunctional adhesive material application module,
the multifunctional adhesive material application module comprises a stirrer and a centrifuge which are connected with each other, and also comprises an autoclave;
the stirrer is respectively connected with the first wet mill and the second wet mill;
The first feed inlet of the first wet grinding machine is also provided with a first filter screen and a first electronic valve;
the second feeding port of the second wet mill is also provided with a second filter screen and a second electronic valve, the second air inlet is also provided with a third filter screen and a third electronic valve, the air outlet is also provided with a fourth filter screen and a fourth electronic valve, and the air outlet is connected with the autoclave so that the second wet mill generates CO 2 The hot tail gas of (2) is used for autoclaved curing of the autoclave.
10. The tubular pile is characterized by comprising, by mass, 66.6-118 parts of the fiber toughened ultra-high-activity cementing material and 157.5-562 parts of the gel toughened ultra-early-strength cementing material according to any one of claims 1-6, 0-200 parts of cement, 0-200 parts of mineral admixture, 1150-1275 parts of stone, 620-770 parts of sand, 4.5-8.25 parts of additive and 10-80 parts of mixing water;
the preparation method of the tubular pile comprises the steps of mixing, centrifuging and autoclaved curing, wherein the autoclaved curing comprises the steps of maintaining the temperature at 50-80 ℃ for 5-8 h before demoulding and CO after demoulding 2 The temperature is kept between 20 and 180 ℃ and the pressure is kept between 0.1 and 1MPa for 2 to 8 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310953401.8A CN116969702B (en) | 2023-07-31 | 2023-07-31 | Pipe pile factory utilizes CO2Method, system and tubular pile for preparing multifunctional glue material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310953401.8A CN116969702B (en) | 2023-07-31 | 2023-07-31 | Pipe pile factory utilizes CO2Method, system and tubular pile for preparing multifunctional glue material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116969702A true CN116969702A (en) | 2023-10-31 |
| CN116969702B CN116969702B (en) | 2024-04-26 |
Family
ID=88482772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310953401.8A Active CN116969702B (en) | 2023-07-31 | 2023-07-31 | Pipe pile factory utilizes CO2Method, system and tubular pile for preparing multifunctional glue material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116969702B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101240545A (en) * | 2008-01-07 | 2008-08-13 | 中山市三和建材有限公司 | (Ultra)high-strength prestressing concrete pipe pile |
| CN109180110A (en) * | 2018-11-07 | 2019-01-11 | 昆山良友新型建材有限公司 | Premixing wet mixing mortar and premixing wet mixing mortar preparation method |
| CN109516735A (en) * | 2018-11-27 | 2019-03-26 | 广东宏庭环保科技有限公司 | A kind of light-weight environment-friendly brick and tile and its production technology based on construction waste |
| CN113840813A (en) * | 2019-05-28 | 2021-12-24 | 海德堡水泥公司 | For carbonising concrete waste and/or sequestering CO2Improved method and apparatus |
| CN115259719A (en) * | 2022-08-10 | 2022-11-01 | 宁波中淳高科股份有限公司 | System and method for preparing concrete admixture by using residual slurry of pipe pile and concrete admixture |
| US20230174424A1 (en) * | 2021-12-03 | 2023-06-08 | The Hong Kong Polytechnic University | Method for sequestering co2 from flue gas and preparing microfiber-reinforced cement |
| CN116283037A (en) * | 2023-03-03 | 2023-06-23 | 湖北工业大学 | Commercial mixing station carbon fixation admixture, preparation method and application thereof |
-
2023
- 2023-07-31 CN CN202310953401.8A patent/CN116969702B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101240545A (en) * | 2008-01-07 | 2008-08-13 | 中山市三和建材有限公司 | (Ultra)high-strength prestressing concrete pipe pile |
| CN109180110A (en) * | 2018-11-07 | 2019-01-11 | 昆山良友新型建材有限公司 | Premixing wet mixing mortar and premixing wet mixing mortar preparation method |
| CN109516735A (en) * | 2018-11-27 | 2019-03-26 | 广东宏庭环保科技有限公司 | A kind of light-weight environment-friendly brick and tile and its production technology based on construction waste |
| CN113840813A (en) * | 2019-05-28 | 2021-12-24 | 海德堡水泥公司 | For carbonising concrete waste and/or sequestering CO2Improved method and apparatus |
| US20230174424A1 (en) * | 2021-12-03 | 2023-06-08 | The Hong Kong Polytechnic University | Method for sequestering co2 from flue gas and preparing microfiber-reinforced cement |
| CN115259719A (en) * | 2022-08-10 | 2022-11-01 | 宁波中淳高科股份有限公司 | System and method for preparing concrete admixture by using residual slurry of pipe pile and concrete admixture |
| CN116283037A (en) * | 2023-03-03 | 2023-06-23 | 湖北工业大学 | Commercial mixing station carbon fixation admixture, preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116969702B (en) | 2024-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101939269B (en) | Reduced-carbon footprint concrete compositions | |
| AU2008256636B2 (en) | Hydraulic cements comprising carbonate compounds compositions | |
| US8470275B2 (en) | Reduced-carbon footprint concrete compositions | |
| CN104487458B (en) | Use the method and system of calcium carbide lime | |
| US9061940B2 (en) | Concrete compositions and methods | |
| CN100445232C (en) | Mine debris steamed brick and its production method | |
| CN103693919B (en) | A kind of iron tailings and the standby autoclave aerated concrete building block of prepared from steel slag and preparation method | |
| CN109650805A (en) | A method of carbon sequestration fill paste is prepared using discarded concrete | |
| CN111892325B (en) | Preparation method of wet-milling dechlorination nano-alkali residue inorganic salt early strength agent | |
| CN104478256A (en) | Calcium-magnesium carbonate gel material and preparation method thereof | |
| CA3168752A1 (en) | Methods and systems for treatment of lime to form vaterite | |
| CN112079583A (en) | Building material product based on rapid carbonization of regenerated cementing material and preparation method thereof | |
| Zhang et al. | Utilization of solid wastes to sequestrate carbon dioxide in cement-based materials and methods to improve carbonation degree: A review | |
| CN103833322A (en) | Method of producing concrete artificial fish reef by using steel slag and building rubbish | |
| CN104261718A (en) | Method for producing green ecological cement resistant to seawater corrosion by using wastes from lime factories | |
| CN101804659B (en) | Preparation method of light-weighted autoclaved unburned block | |
| CN115340307A (en) | Solid waste based low-carbon high-iron phase-belite system concrete and synergistic solid waste carbon fixation method thereof | |
| CN111892366B (en) | Ecological hollow building block and preparation method thereof | |
| CN116969702B (en) | Pipe pile factory utilizes CO2Method, system and tubular pile for preparing multifunctional glue material | |
| CN116396019A (en) | Preparation method of gel-reducing type alkali residue carbon-fixing concrete | |
| He et al. | Wet grinding carbonation technique: Achieving rapid carbon mineralization of concrete slurry waste under low CO2 flow rate | |
| CN116749348B (en) | Concrete mixing plant CO 2 System and method for sealing and utilizing | |
| CN116254140A (en) | Method for efficiently collecting carbon dioxide in-situ sealing of natural gas plant | |
| CN116332548A (en) | Phosphorus slag-based wet carbon fixation slurry, preparation method thereof and carbon-sealed concrete | |
| CN118184230A (en) | Alkali salt excitation solid carbon gel material based on regenerated micro powder and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |