CN116854450A - Activating treatment agent for preparing sintered insulating bricks from water-based drilling cuttings - Google Patents
Activating treatment agent for preparing sintered insulating bricks from water-based drilling cuttings Download PDFInfo
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- CN116854450A CN116854450A CN202310247963.0A CN202310247963A CN116854450A CN 116854450 A CN116854450 A CN 116854450A CN 202310247963 A CN202310247963 A CN 202310247963A CN 116854450 A CN116854450 A CN 116854450A
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- bentonite
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- 238000005553 drilling Methods 0.000 title claims abstract description 59
- 238000005520 cutting process Methods 0.000 title claims abstract description 49
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 239000011449 brick Substances 0.000 title claims abstract description 34
- 238000011282 treatment Methods 0.000 title claims abstract description 32
- 230000003213 activating effect Effects 0.000 title abstract description 9
- 239000000440 bentonite Substances 0.000 claims abstract description 69
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 69
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 69
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 claims abstract description 47
- 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 claims abstract description 41
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims abstract description 41
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims abstract description 41
- 239000002994 raw material Substances 0.000 claims abstract description 35
- 230000004913 activation Effects 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 24
- 239000002245 particle Substances 0.000 claims abstract description 21
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 claims description 36
- 239000000843 powder Substances 0.000 claims description 34
- 238000000227 grinding Methods 0.000 claims description 28
- 239000010440 gypsum Substances 0.000 claims description 26
- 229910052602 gypsum Inorganic materials 0.000 claims description 26
- 238000001035 drying Methods 0.000 claims description 24
- 238000002360 preparation method Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 23
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 12
- 239000011812 mixed powder Substances 0.000 claims description 12
- 239000002699 waste material Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 238000010791 quenching Methods 0.000 claims description 6
- 230000000171 quenching effect Effects 0.000 claims description 6
- 238000007873 sieving Methods 0.000 claims description 6
- 239000011734 sodium Substances 0.000 claims description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 6
- 239000002910 solid waste Substances 0.000 claims description 6
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 claims description 6
- 239000002734 clay mineral Substances 0.000 abstract description 6
- 239000011435 rock Substances 0.000 description 8
- 239000012530 fluid Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000011451 fired brick Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000003334 potential effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000001228 spectrum 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/131—Inorganic additives
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3201—Alkali metal oxides or oxide-forming salts thereof
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/447—Phosphates or phosphites, e.g. orthophosphate, hypophosphite
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/448—Sulphates or sulphites
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Disintegrating Or Milling (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention provides an activating treatment agent for preparing a sintered insulating brick from water-based drilling cuttings. The activation treatment agent for preparing the sintered insulating brick from the water-based drilling cuttings comprises a mixture, wherein the mixture comprises the following components: sodium hexametaphosphate: 3-8 parts by weight; phosphogypsum: 25-45 parts by weight; bentonite: 55-75 parts by weight. The activating treatment agent for preparing the sintered insulating brick from the water-based drilling cuttings has the advantages of separating clay minerals in drilling cuttings particles, increasing the plasticity of the drilling cuttings, enabling the drilling cuttings to completely meet the raw material requirements for preparing the sintered brick, and enabling all performance indexes of the finished brick to reach the relevant standard requirements.
Description
Technical Field
The invention relates to the technical field of drilling rock debris recycling, in particular to an activating treatment agent for preparing a sintered insulating brick from water-based drilling rock debris.
Background
During the drilling process of petroleum and natural gas exploitation, the drill bit cuts the chips generated by stratum rock, and the drilling fluid is brought out of the ground from the well to form waste slurry in the large area. And the dry slag is the drilling cuttings after the drilling waste mixed by the drilling fluid and the drilling cuttings is subjected to solid-liquid separation and other treatments. The drill cuttings are not only the data basis for understanding the nature of the rock formation, displaying oil and gas and compiling geological section, but also important mineral raw materials.
Drilling fluids are classified into water-based drilling fluids (water as continuous phase) and oil-based drilling fluids (oil as continuous phase) according to the kind of continuous phase, and the corresponding drilling cuttings are water-based drilling cuttings and oil-based drilling cuttings. Oil-based drilling cuttings belong to dangerous waste, and can be used after harmless treatment; but can be directly used for water-based drilling cuttings and used as raw materials for preparing sintered bricks.
The raw materials for preparing the baked brick have molding property, namely, have enough mechanical property after high-temperature baking, so that the raw materials are required to contain enough clay minerals; further, it is required that the smaller the content of Mg0 and Ca0 and the better the content of soluble salts.
At present, the main difficulty of using water-based drilling cuttings as raw materials to prepare brick-fired bricks is that the mixing amount of the drilling cuttings is too low, and if the mixing amount is too high, the forming is difficult, and the main reason is that the drilling cuttings are ridge materials, wherein the content of clay mineral components is low or the clay mineral components are not easy to separate in particles; in addition, the drill cuttings have complex components and large fluctuation range of the clay mineral content.
Therefore, there is a need to provide an activation treatment agent for preparing sintered insulating bricks from water-based drilling cuttings, which solves the technical problems.
Disclosure of Invention
Based on the technical problems in the background technology, the invention provides an activating treatment agent for preparing a sintered insulating brick from water-based drilling cuttings.
In order to achieve the above object, the activation treatment agent for preparing the sintered insulating brick from the water-based drilling cuttings provided by the invention comprises a mixture, wherein the mixture comprises the following components:
sodium hexametaphosphate: 3-8 parts by weight;
phosphogypsum: 25-45 parts by weight;
bentonite: 55-75 parts by weight.
Preferably, the ratio of phosphogypsum to bentonite is 1:1.2-1:2.
Preferably, the ratio of the sodium hexametaphosphate to the phosphogypsum is between 1:5 and 1:9.
Preferably, the treating agent is incorporated in an amount of 0.5 to 1.0% based on the drill cuttings
A method for preparing an activation treatment agent for preparing a sintered insulating brick from water-based drilling cuttings, which comprises the following steps:
1. preparation of raw materials
(1) Sodium hexametaphosphate preparation:
p1: yellow phosphorus is burnt and oxidized in a dry air flow and cooled to obtain phosphorus pentoxide, and the phosphorus pentoxide and sodium carbonate are mixed according to a certain proportion (Na 2O: P2O5=1:1.1);
p2: indirectly heating the mixed powder obtained by the P1 in a graphite crucible to dehydrate and melt and polymerize the mixed powder, and preparing an industrial sodium hexametaphosphate finished product by quenching and flaking and crushing the generated sodium hexametaphosphate melt;
(2) Phosphogypsum preparation:
conveying solid waste generated in the process of preparing phosphoric acid by a wet method, namely phosphogypsum waste residue, to a crusher through a belt conveyor for crushing to obtain raw gypsum powder, conveying the crushed raw gypsum powder to a preheating pipe through a feeding isolator, conveying the raw gypsum powder to a frying pan through a feeding screw for frying for 30-40 minutes, and conveying the raw gypsum powder to a discharge hole through a conveying mechanism in the frying pan, wherein the raw gypsum powder is changed into calcined phosphogypsum;
(3) And (3) bentonite preparation:
s1: selecting bentonite raw ore, crushing the bentonite raw ore by using a crusher, and sieving out stones and impurities to leave bentonite;
s2: drying the bentonite raw material obtained in the step S1 by adopting a drying kiln, wherein the drying temperature is 250-300 ℃ and the moisture is 10-20%;
s3: conveying the bentonite raw material obtained in the step S2 after drying to a crusher by adopting a conveying belt to crush the bentonite raw material into particles, and crushing the particles into tiny particles for later use;
2. preparing a treating agent:
and (3) adding 3-8 parts by weight of sodium hexametaphosphate, 25-45 parts by weight of phosphogypsum and 55-75 parts by weight of bentonite into grinding equipment through a feeding machine, grinding the mixture through the grinding equipment, and mixing the mixture to obtain the activation treating agent.
Preferably, the grinding equipment for grinding sodium hexametaphosphate, phosphogypsum and bentonite adopts a ball mill.
Compared with the related technology, the activation treating agent for preparing the sintered insulating brick from the water-based drilling cuttings has the following beneficial effects:
the water-based drilling cuttings contain a large amount of Si02 with potential activity, so that the key of excitation is to break Si-0 bonds on the surface of a waste drilling fluid system under the action of a small amount of OH < - >, the polymerization degree of a Si-0-Al network is reduced, and the damage effect on Si-0 and Al-0 bonds is stronger;
according to the invention, when the activating treatment agent for preparing the baked insulating brick from the water-based drilling rock chips is mixed with the drilling rock chips according to the proportion, and is used for preparing the baked brick, the activating treatment agent can completely meet the activating treatment of shale gas water-based rock chips in Chuan nan area through indoor test and field small test conditions and the XRD spectrum and SEM research, and the activated drilling water-based rock chips can completely meet the raw material requirements for preparing the baked brick, and all performance indexes of the finished brick can meet the related standard requirements;
the activation treatment agent can separate clay minerals in the drilling cuttings particles to increase the plasticity of the drilling cuttings.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present invention more apparent, the technical solutions of the present invention will be further described below with reference to examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The activation treatment agent for preparing the sintered insulating brick by using the water-based drilling cuttings comprises a mixture, wherein the mixture comprises the following components:
sodium hexametaphosphate: 3 parts by weight;
phosphogypsum: 27 parts by weight;
bentonite: 70 parts by weight.
The addition amount of the treating agent is 0.5% of the drilling cuttings.
A method for preparing an activation treatment agent for preparing a sintered insulating brick from water-based drilling cuttings, which comprises the following steps:
1. preparation of raw materials
(1) Sodium hexametaphosphate preparation:
p1: yellow phosphorus is burnt and oxidized in a dry air flow and cooled to obtain phosphorus pentoxide, and the phosphorus pentoxide and sodium carbonate are mixed according to a certain proportion (Na 2O: P2O5=1:1.1);
p2: indirectly heating the mixed powder obtained by the P1 in a graphite crucible to dehydrate and melt and polymerize the mixed powder, and preparing an industrial sodium hexametaphosphate finished product by quenching and flaking and crushing the generated sodium hexametaphosphate melt;
(2) Phosphogypsum preparation:
conveying solid waste generated in the process of preparing phosphoric acid by a wet method, namely phosphogypsum waste residue, to a crusher through a belt conveyor for crushing to obtain raw gypsum powder, conveying the crushed raw gypsum powder to a preheating pipe through a feeding isolator, conveying the raw gypsum powder to a frying pan through a feeding screw for 30 minutes for frying, and conveying the raw gypsum powder to a discharge hole through a conveying mechanism in the frying pan, wherein the raw phosphogypsum powder is changed into calcined phosphogypsum powder;
(3) And (3) bentonite preparation:
s1: selecting bentonite raw ore, crushing the bentonite raw ore by using a crusher, and sieving out stones and impurities to leave bentonite;
s2: drying the bentonite raw material obtained in the step S1 by adopting a drying kiln, wherein the drying temperature is 300 ℃, and the bentonite raw material is dried until the moisture is 10%;
s3: conveying the bentonite raw material obtained in the step S2 after drying to a crusher by adopting a conveying belt to crush the bentonite raw material into particles, and crushing the particles into tiny particles for later use;
2. preparing a treating agent:
and (3) adding 3 parts by weight of sodium hexametaphosphate, 27 parts by weight of phosphogypsum and 70 parts by weight of bentonite into grinding equipment through a feeding machine, grinding the mixture through the grinding equipment, and mixing the mixture to obtain the activation treating agent.
The grinding equipment for grinding sodium hexametaphosphate, phosphogypsum and bentonite adopts a ball mill.
Second embodiment:
the activation treatment agent for preparing the sintered insulating brick by using the water-based drilling cuttings comprises a mixture, wherein the mixture comprises the following components:
sodium hexametaphosphate: 5 parts by weight;
phosphogypsum: 35 parts by weight;
bentonite: 60 parts by weight.
The addition amount of the treating agent is 0.8% of the drilling cuttings.
A method for preparing an activation treatment agent for preparing a sintered insulating brick from water-based drilling cuttings, which comprises the following steps:
1. preparation of raw materials
(1) Sodium hexametaphosphate preparation:
p1: yellow phosphorus is burnt and oxidized in a dry air flow and cooled to obtain phosphorus pentoxide, and the phosphorus pentoxide and sodium carbonate are mixed according to a certain proportion (Na 2O: P2O5=1:1.1);
p2: indirectly heating the mixed powder obtained by the P1 in a graphite crucible to dehydrate and melt and polymerize the mixed powder, and preparing an industrial sodium hexametaphosphate finished product by quenching and flaking and crushing the generated sodium hexametaphosphate melt;
(2) Phosphogypsum preparation:
conveying solid waste generated in the process of preparing phosphoric acid by a wet method, namely phosphogypsum waste residue, to a crusher through a belt conveyor for crushing to obtain raw gypsum powder, conveying the crushed raw gypsum powder to a preheating pipe through a feeding isolator, conveying the raw gypsum powder to a frying pan through a feeding screw for 35 minutes for frying, and conveying the raw gypsum powder to a discharge hole through a conveying mechanism in the frying pan, wherein the raw phosphogypsum powder is changed into calcined phosphogypsum powder;
(3) And (3) bentonite preparation:
s1: selecting bentonite raw ore, crushing the bentonite raw ore by using a crusher, and sieving out stones and impurities to leave bentonite;
s2: drying the bentonite raw material obtained in the step S1 by adopting a drying kiln, wherein the drying temperature is 285 ℃, and the bentonite raw material is dried until the moisture is 15%;
s3: conveying the bentonite raw material obtained in the step S2 after drying to a crusher by adopting a conveying belt to crush the bentonite raw material into particles, and crushing the particles into tiny particles for later use;
2. preparing a treating agent:
and 5 parts by weight of sodium hexametaphosphate, 35 parts by weight of phosphogypsum and 60 parts by weight of bentonite are prepared, the prepared sodium hexametaphosphate, 35 parts by weight of phosphogypsum and 60 parts by weight of bentonite are put into grinding equipment through a feeding machine, the mixture is ground through the grinding equipment and is mixed, and the material after uniform mixing is obtained.
The grinding equipment for grinding sodium hexametaphosphate, phosphogypsum and bentonite adopts a ball mill.
Third embodiment:
the activation treatment agent for preparing the sintered insulating brick by using the water-based drilling cuttings comprises a mixture, wherein the mixture comprises the following components:
sodium hexametaphosphate: 8 parts by weight;
phosphogypsum: 35 parts by weight;
bentonite: 57 parts by weight.
The addition amount of the treating agent is 0.65% of the drilling cuttings.
A method for preparing an activation treatment agent for preparing a sintered insulating brick from water-based drilling cuttings, which comprises the following steps:
1. preparation of raw materials
(1) Sodium hexametaphosphate preparation:
p1: yellow phosphorus is burnt and oxidized in a dry air flow and cooled to obtain phosphorus pentoxide, and the phosphorus pentoxide and sodium carbonate are mixed according to a certain proportion (Na 2O: P2O5=1:1.1);
p2: indirectly heating the mixed powder obtained by the P1 in a graphite crucible to dehydrate and melt and polymerize the mixed powder, and preparing an industrial sodium hexametaphosphate finished product by quenching and flaking and crushing the generated sodium hexametaphosphate melt;
(2) Phosphogypsum preparation:
conveying solid waste generated in the process of preparing phosphoric acid by a wet method, namely phosphogypsum waste residue, to a crusher through a belt conveyor for crushing to obtain raw gypsum powder, conveying the crushed raw gypsum powder to a preheating pipe through a feeding isolator, conveying the raw gypsum powder to a frying pan through a feeding screw for 40 minutes for frying, and conveying the raw gypsum powder to a discharge hole through a conveying mechanism in the frying pan, wherein the raw phosphogypsum powder is changed into calcined phosphogypsum powder;
(3) And (3) bentonite preparation:
s1: selecting bentonite raw ore, crushing the bentonite raw ore by using a crusher, and sieving out stones and impurities to leave bentonite;
s2: drying the bentonite raw material obtained in the step S1 by adopting a drying kiln, wherein the drying temperature is 250 ℃, and the bentonite raw material is dried until the moisture is 20%;
s3: conveying the bentonite raw material obtained in the step S2 after drying to a crusher by adopting a conveying belt to crush the bentonite raw material into particles, and crushing the particles into tiny particles for later use;
2. preparing a treating agent:
and (3) adding the prepared 8 parts by weight of sodium hexametaphosphate, 35 parts by weight of phosphogypsum and 57 parts by weight of bentonite into grinding equipment through a feeding machine, grinding the mixture through the grinding equipment, and mixing the mixture to obtain the uniformly mixed material.
The grinding equipment for grinding sodium hexametaphosphate, phosphogypsum and bentonite adopts a ball mill.
Fourth embodiment:
the activation treatment agent for preparing the sintered insulating brick by using the water-based drilling cuttings comprises a mixture, wherein the mixture comprises the following components:
sodium hexametaphosphate: 5 parts by weight;
phosphogypsum: 40 parts by weight;
bentonite: 55 parts by weight.
The addition amount of the treating agent is 1% of the drilling cuttings.
A method for preparing an activation treatment agent for preparing a sintered insulating brick from water-based drilling cuttings, which comprises the following steps:
1. preparation of raw materials
(1) Sodium hexametaphosphate preparation:
p1: yellow phosphorus is burnt and oxidized in a dry air flow and cooled to obtain phosphorus pentoxide, and the phosphorus pentoxide and sodium carbonate are mixed according to a certain proportion (Na 2O: P2O5=1:1.1);
p2: indirectly heating the mixed powder obtained by the P1 in a graphite crucible to dehydrate and melt and polymerize the mixed powder, and preparing an industrial sodium hexametaphosphate finished product by quenching and flaking and crushing the generated sodium hexametaphosphate melt;
(2) Phosphogypsum preparation:
conveying solid waste generated in the process of preparing phosphoric acid by a wet method, namely phosphogypsum waste residue, to a crusher through a belt conveyor for crushing to obtain raw gypsum powder, conveying the crushed raw gypsum powder to a preheating pipe through a feeding isolator, conveying the raw gypsum powder to a frying pan through a feeding screw for 40 minutes for frying, and conveying the raw gypsum powder to a discharge hole through a conveying mechanism in the frying pan, wherein the raw phosphogypsum powder is changed into calcined phosphogypsum powder;
(3) And (3) bentonite preparation:
s1: selecting bentonite raw ore, crushing the bentonite raw ore by using a crusher, and sieving out stones and impurities to leave bentonite;
s2: drying the bentonite raw material obtained in the step S1 by adopting a drying kiln, wherein the drying temperature is 270 ℃, and the bentonite raw material is dried until the moisture is 18%;
s3: conveying the bentonite raw material obtained in the step S2 after drying to a crusher by adopting a conveying belt to crush the bentonite raw material into particles, and crushing the particles into tiny particles for later use;
2. preparing a treating agent:
and 5 parts by weight of sodium hexametaphosphate, 40 parts by weight of phosphogypsum and 55 parts by weight of bentonite are prepared, the prepared sodium hexametaphosphate, 40 parts by weight of phosphogypsum and 55 parts by weight of bentonite are put into grinding equipment through a feeding machine, the mixture is ground through the grinding equipment and is mixed, and the material after uniform mixing is obtained.
The grinding equipment for grinding sodium hexametaphosphate, phosphogypsum and bentonite adopts a ball mill.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (6)
1. An activation treatment agent for preparing a sintered insulating brick from water-based drilling cuttings, comprising a mixture, wherein the mixture comprises:
sodium hexametaphosphate: 3-8 parts by weight;
phosphogypsum: 25-45 parts by weight;
bentonite: 55-75 parts by weight.
2. The activation treatment agent for preparing the sintered insulating brick from the water-based drilling cuttings as claimed in claim 1, wherein the ratio of phosphogypsum to bentonite is between 1:1.2 and 1:2.
3. The activation treatment agent for preparing the sintered insulating brick from the water-based drilling cuttings as claimed in claim 1, wherein the ratio of the sodium hexametaphosphate to the phosphogypsum is between 1:5 and 1:9.
4. The activation treatment agent for preparing a sintered insulating brick from water-based drilling cuttings as claimed in claim 1, wherein the treatment agent is incorporated in an amount of 0.5% -1.0% of the drilling cuttings.
5. A method for preparing an activation treatment agent for preparing a sintered insulating brick from water-based drilling cuttings, which is characterized in that the method is applied to the activation treatment agent for preparing the sintered insulating brick from the water-based drilling cuttings according to any one of claims 1 to 4, and the method comprises the following steps:
1. preparation of raw materials
(1) Sodium hexametaphosphate preparation:
p1: yellow phosphorus is burnt and oxidized in a dry air flow and cooled to obtain phosphorus pentoxide, and the phosphorus pentoxide and sodium carbonate are mixed according to a certain proportion (Na 2O: P2O5=1:1.1);
p2: indirectly heating the mixed powder obtained by the P1 in a graphite crucible to dehydrate and melt and polymerize the mixed powder, and preparing an industrial sodium hexametaphosphate finished product by quenching and flaking and crushing the generated sodium hexametaphosphate melt;
(2) Phosphogypsum preparation:
conveying solid waste generated in the process of preparing phosphoric acid by a wet method, namely phosphogypsum waste residue, to a crusher through a belt conveyor for crushing to obtain raw gypsum powder, conveying the crushed raw gypsum powder to a preheating pipe through a feeding isolator, conveying the raw gypsum powder to a frying pan through a feeding screw for frying for 30-40 minutes, and conveying the raw gypsum powder to a discharge hole through a conveying mechanism in the frying pan, wherein the raw gypsum powder is changed into calcined phosphogypsum;
(3) And (3) bentonite preparation:
s1: selecting bentonite raw ore, crushing the bentonite raw ore by using a crusher, and sieving out stones and impurities to leave bentonite;
s2: drying the bentonite raw material obtained in the step S1 by adopting a drying kiln, wherein the drying temperature is 250-300 ℃ and the moisture is 10-20%;
s3: conveying the bentonite raw material obtained in the step S2 after drying to a crusher by adopting a conveying belt to crush the bentonite raw material into particles, and crushing the particles into tiny particles for later use;
2. preparing a treating agent:
and (3) adding 3-8 parts by weight of sodium hexametaphosphate, 25-45 parts by weight of phosphogypsum and 55-75 parts by weight of bentonite into grinding equipment through a feeding machine, grinding the mixture through the grinding equipment, and mixing the mixture to obtain the activation treating agent.
6. The method for preparing an activation treatment agent for preparing a sintered insulating brick from water-based drilling cuttings as claimed in claim 4, wherein the grinding equipment for grinding sodium hexametaphosphate, phosphogypsum and bentonite adopts a ball mill.
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| CN202310247963.0A CN116854450A (en) | 2023-03-15 | 2023-03-15 | Activating treatment agent for preparing sintered insulating bricks from water-based drilling cuttings |
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| CN202310247963.0A CN116854450A (en) | 2023-03-15 | 2023-03-15 | Activating treatment agent for preparing sintered insulating bricks from water-based drilling cuttings |
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