CN107185495A - The method and its activation equipment of a kind of useless burgy photo reversal type cellular activated carbon - Google Patents
The method and its activation equipment of a kind of useless burgy photo reversal type cellular activated carbon Download PDFInfo
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- CN107185495A CN107185495A CN201710544875.1A CN201710544875A CN107185495A CN 107185495 A CN107185495 A CN 107185495A CN 201710544875 A CN201710544875 A CN 201710544875A CN 107185495 A CN107185495 A CN 107185495A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 121
- 230000004913 activation Effects 0.000 title claims abstract description 96
- 230000001413 cellular effect Effects 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000003610 charcoal Substances 0.000 claims abstract description 26
- 239000000725 suspension Substances 0.000 claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 16
- 230000008929 regeneration Effects 0.000 claims abstract description 16
- 238000011069 regeneration method Methods 0.000 claims abstract description 16
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000002023 wood Substances 0.000 claims abstract description 14
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 230000001699 photocatalysis Effects 0.000 claims abstract description 10
- 239000000446 fuel Substances 0.000 claims abstract description 6
- 238000004898 kneading Methods 0.000 claims abstract description 6
- 239000011276 wood tar Substances 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims abstract description 4
- 238000001994 activation Methods 0.000 claims description 88
- 229910052799 carbon Inorganic materials 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 5
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 2
- 239000012774 insulation material Substances 0.000 claims description 2
- 238000007598 dipping method Methods 0.000 abstract description 2
- 230000001404 mediated effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 12
- 239000000047 product Substances 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- 239000002699 waste material Substances 0.000 description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 7
- 239000013589 supplement Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 5
- 241000256844 Apis mellifera Species 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000003034 coal gas Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 235000006667 Aleurites moluccana Nutrition 0.000 description 2
- 240000004957 Castanea mollissima Species 0.000 description 2
- 235000018244 Castanea mollissima Nutrition 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 239000011280 coal tar Substances 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000007146 photocatalysis Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010030973 Oral discomfort Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 formaldehyde, benzene series Chemical class 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
- B01D2257/7027—Aromatic hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4806—Sorbents characterised by the starting material used for their preparation the starting material being of inorganic character
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
- B01J2220/4825—Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton
Abstract
The method and its activation equipment of a kind of useless burgy photo reversal type cellular activated carbon, the wood powder that useless burgy and fineness are less than 100 mesh is mixed evenly by weight 10: 1~2 ratio, then the mixture of useless burgy and wood powder and wood tar are mediated to rub by proper proportion in experienced machine is rubbed in kneading and practices into charcoal pureed, and square length of side 100mm is made of single lead screw ex truding briquetting machine, square hole size is cellular for 6 × 6mm's, then through drying, cellular activated carbon is made in activation procedure, Photocatalytic Regeneration type cellular activated carbon product is made by dipping nano titanium oxide suspension and drying again；The main body of activation equipment is that cuboid tunnel type activates kiln, top is in circular arc arch, it is made up of dryer section and activation section and cooling section, it is separated by respectively by the two moveable separated doors of fan, it is made up of feeding gate, activation car, bearing tray, rail, refractory slab, separated door, activation kiln basis, cooling section, refractory wall, activation kiln shell body, fuel burner nozzle and steam jet.
Description
First, technical field
Prepared the present invention relates to the method and apparatus of cellular activated carbon processed, especially one kind by raw material of waste powdered activated carbon
The method and its activation equipment of photo reversal type cellular activated carbon.
2nd, background technology
The situation that organic volatile pollutes air, such as coating material production car are all there is in many productions and living environment
Between, furniture paint shop, in newly-decorated office or house space air all containing formaldehyde, benzene series organic matter or other are organic
Solvent volatile matter, if people is chronically in the environment containing these organic volatiles, has larger harm to body, or even have cause
These organic exhaust gas are carried out purified treatment and are very important by the hidden danger of cancer.Activated carbon be widely used to air cleaning and
Waste gas pollution control and treatment, it is conventional for granular activated carbon, cellular activated carbon is developed in recent years, and it can be widely applied to the de- of industrial smoke
The fields such as nitre desulfurization process, organic waste-gas purification processing, organic solvent recovery, air cleaning, and because of its gas-flow resistance ratio
Granular active carbon is much smaller, and deep to be welcome by user, its demand is increasing.But current this kind of nest activated carbon be in coal dust or
The agitated mixing of the binding agent such as coal tar is added in charcoal powder, it is compressing, then be made of steam activation, its hole knot
Structure is based on micropore, and seldom, the capacity of Adsorption bigger molecule organic gas such as benzene homologues is smaller for mesopore, meanwhile, this kind of honeybee
Regenerate cumbersome after nest charcoal absorption saturation, using must just be changed after certain time, use cost is higher, even if by again
Life is also difficult to return to former adsorbance.In recent years, existing reproducible cellular activated carbon patent report, such as Application No.
201410728499.8 patent of invention " a kind of preparation method of light degradation formaldehyde cellular activated carbon ", it is characterized in that with finished powder
Shaped activated carbon is compressing with mould after being mixed evenly with compound binding agent, and nano-TiO is immersed after high-temperature process2Suspend
Liquid, then heated drying and be made, its adsorbance is determined by the performance of powdered activated carbon, and because of the addition of adhesive
Reduce the absorption property of former powdered activated carbon；Patent of invention " the photocatalysis honeycomb activity of Application No. 201410830775.1
Charcoal net ", it is characterized in that using coal dust as raw material, with the compound binding agent that clay, carboxymethyl cellulose and coal tar are component, through stirring
Mix well mixed rear compressing, then use water vapour or carbon dioxide activation in high temperature furnace and be made, its pore structure is with micro-
Based on hole, and containing impurity such as clays in product, its content of ashes is higher, and the absorption property of product is poor, has to bigger molecule
The adsorbance of machine gas is smaller；A kind of and for example patent of invention of Application No. 201710218923.8 " the fluffy base optic catalytic honeybee of Chinese chestnut fruit
Cellular activated carbon described in nest activated carbon and its off-gas cleaning equipment " is to be prepared so that Chinese chestnut fruit is fluffy for raw material with phosphoric acid activation method
's.The usage amount of the annual powdered activated carbon of China reaches few hundred thousand tonnes of, and the activated carbon after use turns into solid waste, charcoal resource of giving up
Enrich very much, severe contamination is caused to environment if abandoning, while being also the wasting of resources.At present, mainly by heating to useless
Burgy is regenerated, and obtained product remains as regeneration powdered activated carbon, is limited only to liquid phase and is decolourized or adsorb.Based on the above-mentioned back of the body
Scape, invention with steam activation technique prepares Photocatalytic Regeneration type using used waste powdered activated carbon as raw material
The method and its activation equipment of cellular activated carbon.
3rd, the content of the invention
The method and its activation equipment of a kind of useless burgy photo reversal type cellular activated carbon of invention, the burgy that gives up are former
The method that material prepares photo reversal type cellular activated carbon is such：Waste powdered activated carbon is dried and crushed, then is less than with fineness
The wood powder of 100 mesh is mixed evenly by proper proportion, and the weight ratio of useless powdered carbon and wood powder is 10: 1~2, then by useless powdered carbon
Mediate to rub in experienced machine is rubbed in kneading by proper proportion with wood tar with the mixture of wood powder and practice into charcoal pureed, can be squeezed into charcoal mud
Type is advisable, and the honeycomb that square length of side 100mm, square hole size are 6 × 6mm, pitch of holes is 12mm is made of single lead screw ex truding briquetting machine
Shape.The cellular carbon block of shaping is placed on heatproof pallet, on the flat board that pallet is transferred to activation car with fork truck, then will
Activation car be placed in tunnel type activation kiln dryer section in be dried with activation tail gas after open wicket 1, will activation car 2 move work to
Change the activation section of kiln, with coal gas or combustion of natural gas heat-activated section, cellular useless charcoal is obtained thermal regeneration, meanwhile, with to
Activation section is passed through water vapour, moves to enter in cooling section 12 by activation car after carrying out honeycomb briquet supplement activation, activation appropriate time
Row cooling.Finally, cellular activated carbon is placed in dipping 1~2 hour in the nano titanium oxide suspension that concentration is 2~3%, most
Dried afterwards at 150~200 DEG C 2~3 hours and Photocatalytic Regeneration type cellular activated carbon product has been made.2~3% nanometer two
Titanium oxide suspension is so prepared：40~60 grams of P25 nano titanium oxides are weighed, are dispersed in 1000ml water with a high speed
Dispersal mechanism adds 1000ml concentration and is 2% middle viscosity polyvinyl alcohol solution, and stir into suspension.As selected
The useless charcoal of chemical method production is raw material, is adsorbed because its former charcoal has in flourishing micropore and central hole structure, the useless charcoal of honeycomb carbon block
Organic matter is heated and wood powder charing in carbon block and escape a large amount of gases, make obtained cellular activated carbon that there is more hole
Gap, its micropore and central hole structure are flourishing, are conducive to improving its absorption property.Photocatalysis cellular activated carbon product of the present invention
Outer surface appendix nano titanium dioxide photocatalyst, absorption reaches the cellular activated carbon of saturation under light illumination, and absorption has
Machine thing can be catalytically oxidized to carbon dioxide and water and recover its absorption affinity, and service life is longer.
Activation equipment of the present invention, its main body is that cuboid tunnel type activates kiln, and top is in circular arc arch, by doing
Dry section and activation section and cooling section composition, are separated by by the two moveable separated doors of fan respectively.The activation equipment is by removable charging
Door 1, activation car 2, cellular carbon block bearing tray 3, wheel 5, I-steel rail 6, refractory slab 7, removable separated door 8 and 11,
Activate tail gas flue 9, activation kiln basis 10, cooling section 12, haulage cable 13, refractory wall 14, activation kiln shell body 15, combustion gas burning
Mouth 16 and steam jet 17 are constituted.Cellular carbon block is deposited on bearing tray, and refractory slab is set on pallet, and pallet is placed on
Activate on car, activation car is placed on I-steel rail by wheel, I-steel rail is fixed on the basis of activation kiln, activates car
It is connected by haulage cable and is drawn.Thermal insulation layer, refractory slab 7 and refractory wall 14 are set between bearing tray and refractory slab
Between flexible temperature-resistance thermal-insulation material is set, with ensure to activate car can move in orbit and make the temperature of activation car and track compared with
It is low.An appropriate number of fuel burner nozzle of two rows and an appropriate number of activating steam spray of a row are set on the shell wall of activation kiln
Head, with the steam for carrying out heat temperature raising to activation kiln and supplement activation being passed through into activation kiln.Activation tail gas passes through top
Flue returns to the dryer section of activation kiln, honeycomb carbon block is carried out it is predrying after through flue be discharged into chimney.
4th, illustrate
Accompanying drawing 1 prepares the process flow diagram of photo reversal type cellular activated carbon for a kind of useless burgy of the present invention；It is attached
Fig. 2 is longitudinal facade cross section structure diagram of activation equipment of the present invention, and 1 is removable feeding gate；2 be activation car；3 are
Cellular carbon block bearing tray；4 be cellular carbon block；5 be wheel；6 be I-steel rail；7 be refractory slab；8th, 11 be removable
Separated door；9 be activation tail gas flue；10 be activation kiln basis；12 be cooling section；13 haulage cables.Accompanying drawing 3 is institute of the present invention
The horizontal facade cross section structure diagram of activation equipment is stated, 14 be refractory wall；15 be activation kiln shell body；16 be fuel burner nozzle；17
For steam jet；Remaining part illustrates ibid.
5th, embodiment
Useless burgy of the present invention prepares photo reversal type cellular activated carbon and is implemented：Waste powdered activated carbon is dried
It is less than 20% to moisture content, and is crushed with pulverizer, the wood powder that waste powdered activated carbon and fineness are less than 100 mesh is pressed 10: 1
~2 ratio is uniformly mixed in mixing apparatus, then by the mixture of useless burgy and wood powder and wood tar by appropriate ratio
Example mediates to rub in experienced machine is rubbed in kneading practices into charcoal pureed, is advisable with charcoal mud energy extrusion forming, and pros are made with single lead screw ex truding briquetting machine
Body length of side 100mm, square hole size are that 6 × 6mm, pitch of holes are the cellular of 12mm.The cellular carbon block of shaping is placed on and held
Carry on pallet, on the flat board that pallet is moved on to activation car with fork truck, then will activate car and be placed in the dryer section that tunnel type activates kiln
It is middle be dried with activation tail gas after open wicket 1, by activate car 2 move to activation kiln activation section, burnt with fuel burner nozzle 16
Coal gas or heated by natural gas activation section, make cellular useless charcoal obtain thermal regeneration, meanwhile, it is passed through through steam jet 17 to activation section
Water vapour, supplement activation is carried out to honeycomb briquet, and activation section temperature control is at 850~900 DEG C, and regeneration and supplement are activated 4~5 hours
Afterwards, activation car is moved to and cooled down in cooling section 12.Finally, cellular activated carbon is placed in the nano-silica that concentration is 2~3%
Change and impregnated in titanium suspension 1~2 hour, then dried at 150~200 DEG C 2~3 hours and Photocatalytic Regeneration type honeycomb is made
Activated carbon product.The compound method of nano titanium oxide suspension：40~60 grams of P25 nano titanium oxides are weighed, are dispersed in
Suspension is made with high speed dispersor in 1000ml water, the middle viscosity polyvinyl alcohol solution of 1000ml concentration 2% is added, and stirs
Mix the uniform preparation for completing 2~3% nano titanium oxide suspension.
Example 1
Waste powdered activated carbon is dried to moisture content less than 20%, and crushed with pulverizer, by waste powdered activated carbon
It is uniformly mixed with wood powder by weight for 10: 1 ratio in mixing apparatus, then by useless burgy and the mixture of wood powder
Mediate to rub in experienced machine is rubbed in kneading by proper proportion with wood tar and practice into charcoal pureed, be advisable with charcoal mud energy extrusion forming, and with squeeze
It is that 6 × 6mm, pitch of holes are the cellular of 12mm that square length of side 100mm, square hole size, which is made, in pressing machine.By the honeybee of shaping
Nest shape carbon block is placed in bearing tray, on the flat board that activation car is moved on to fork truck, and activation car then is placed in into tunnel type activation
Wicket 1 is opened after being dried in the dryer section of kiln with activation tail gas, activation car 2 is moved to the activation section of activation kiln, coal gas is used
Or combustion of natural gas heat-activated section, cellular useless charcoal is obtained thermal regeneration, meanwhile, water vapour is passed through into activation section, it is right
Honeycomb briquet carries out supplement activation, and activation section temperature control is at 850~900 DEG C, and regeneration activating is moved to after 5 hours to be entered in cooling section 12
Row cooling.Finally, cellular activated carbon is placed in the nano titanium oxide suspension that concentration is 3% and impregnated 1 hour, finally existed
Dried at 150~200 DEG C 2 hours and Photocatalytic Regeneration type cellular activated carbon product has been made.Sampled detection, honeycomb activity
The benzene adsorption rate of charcoal product is 52%, and carbon tetrachloride adsorption rate is 73%, and malleation compression strength is 0.85MPa.3% nano-silica
Change the compound method of titanium suspension：60 grams of P25 nano titanium oxides are weighed, is dispersed in 1000ml water and is made of high speed dispersor
Suspension, adds the middle viscosity polyvinyl alcohol solution of 1000ml concentration 2%, and stirs and complete 3% nano-silica
Change the preparation of titanium suspension.
Example 2
Waste powdered activated carbon is dried to moisture content less than 20%, and crushed with pulverizer, by waste powdered activated carbon
It is uniformly mixed with wood powder by weight for 10: 1 ratio in mixing apparatus, then by useless burgy and the mixture of wood powder
Mediate to rub in experienced machine is rubbed in kneading by proper proportion with wood tar and practice into charcoal pureed, be advisable with charcoal mud energy extrusion forming, and with squeeze
It is that 6 × 6mm, pitch of holes are the cellular of 12mm that square length of side 100mm, square hole size, which is made, in pressing machine.By the honeybee of shaping
Nest shape carbon block is placed in bearing tray, on the flat board that activation car is moved on to fork truck, and activation car then is placed in into tunnel type activation
Wicket 1 is opened after being dried in the dryer section of kiln with activation tail gas, activation car 2 is moved to the activation section of activation kiln, coal gas is used
Or combustion of natural gas heat-activated section, cellular useless charcoal is obtained thermal regeneration, meanwhile, water vapour is passed through into activation section, it is right
Honeycomb briquet carries out supplement activation, and activation section temperature control is at 850~900 DEG C, and regeneration activating is moved to after 5 hours to be entered in cooling section 12
Row cooling.Finally, cellular activated carbon is placed in the nano titanium oxide suspension that concentration is 3% and impregnated 1 hour, finally existed
Dried at 150~200 DEG C 2 hours and Photocatalytic Regeneration type cellular activated carbon product has been made.Sampled detection, honeycomb activity
The benzene adsorption rate of charcoal product is 50%, and carbon tetrachloride adsorption rate is 71%, and malleation compression strength is 0.80MPa.3% nanometer two
Titanium oxide suspension formulation operations are with example 1.
Claims (3)
1. the method and its activation equipment of a kind of useless burgy photo reversal type cellular activated carbon, it is characterized in that：By useless burgy and carefully
Degree is uniformly mixed less than the wood powder of 100 mesh by weight for 10: 1~2 ratio in mixing apparatus, then by useless burgy
Mediate to rub in experienced machine is rubbed in kneading by proper proportion with wood tar with the mixture of wood powder and practice into charcoal pureed, can be squeezed into charcoal mud
Type is advisable, and it is the cellular of 12mm that square length of side 100mm, 6 × 6mm of square hole size, pitch of holes, which is made, with single lead screw ex truding briquetting machine,
Photocatalytic Regeneration type cellular activated carbon is made in the step of through drying, activation, cooling and appendix nano titanium oxide；Activation equipment
Main body is that cuboid tunnel type activates kiln, and top is in circular arc arch, is made up of dryer section and activation section and cooling section, respectively by two
Moveable separated door is fanned to be separated by；Activation equipment is by removable feeding gate 1, activation car 2, cellular carbon block bearing tray 3, wheel
5th, I-steel rail 6, refractory slab 7, removable separated door 8 and 11, activation tail gas flue 9, activation kiln basis 10, cooling section 12,
Haulage cable 13, refractory wall 14, activation kiln shell body 15, fuel burner nozzle 16 and steam jet 17 are constituted；Cellular carbon block heap
It is placed on bearing tray, refractory slab is set on pallet, pallet is placed on activation car, and activation car is placed on I-steel by wheel
On rail, I-steel rail is fixed on the basis of activation kiln, and activation car is connected and drawn by haulage cable, carrying support
Thermal insulation layer is set between disk and refractory slab, flexible temperature-resistance thermal-insulation material is set between refractory slab and refractory wall, in the outer of activation kiln
An appropriate number of fuel burner nozzle of two rows and a row an appropriate number of activating steam shower nozzle are set on shell wall.
2. the method and its activation equipment of a kind of useless burgy photo reversal type cellular activated carbon according to claim 1, its
It is characterized in：The cellular carbon block that square length of side 100mm, 6 × 6mm of square hole size, pitch of holes are 12mm is in the dry of activation equipment
Dry section is dried at 150~200 DEG C, is then placed in the activation section of charcoal activation equipment the charcoal at 850~900 DEG C and lives
Change 4~5 hours, impregnated being placed in after the cellular activated carbon cooling of activation in the nano titanium oxide suspension that concentration is 2~3%
1~2 hour, finally dried at 150~200 DEG C 2~3 hours and Photocatalytic Regeneration type cellular activated carbon product is made.
3. the method and its activation equipment of useless burgy photo reversal type cellular activated carbon according to claim 1, its feature
It is：2~3% nano titanium oxide suspension is so prepared, and is weighed 40~60 grams of P25 nano titanium oxides, is dispersed in
Suspension is made with high speed dispersor in 1000ml water, the middle viscosity polyvinyl alcohol solution that 1000ml concentration is 2% is added, and
Stir.
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Cited By (1)
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Application publication date: 20170922 |