CN106582588A - Use method of activation granulation tower special for preparing volatile organic compound waste gas active adsorbent - Google Patents
Use method of activation granulation tower special for preparing volatile organic compound waste gas active adsorbent Download PDFInfo
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- CN106582588A CN106582588A CN201710129238.8A CN201710129238A CN106582588A CN 106582588 A CN106582588 A CN 106582588A CN 201710129238 A CN201710129238 A CN 201710129238A CN 106582588 A CN106582588 A CN 106582588A
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- Prior art keywords
- activation
- fluidized bed
- granulation tower
- tail gas
- tower
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- 230000004913 activation Effects 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000005469 granulation Methods 0.000 title claims abstract description 35
- 230000003179 granulation Effects 0.000 title claims abstract description 35
- 239000002912 waste gas Substances 0.000 title claims abstract description 24
- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 20
- 239000003463 adsorbent Substances 0.000 title abstract description 16
- 239000007789 gas Substances 0.000 claims abstract description 35
- 230000008569 process Effects 0.000 claims abstract description 23
- 239000002918 waste heat Substances 0.000 claims abstract description 22
- 239000010881 fly ash Substances 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 10
- PXJJSXABGXMUSU-UHFFFAOYSA-N disulfur dichloride Chemical compound ClSSCl PXJJSXABGXMUSU-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 238000000926 separation method Methods 0.000 claims abstract description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 25
- 229910052717 sulfur Inorganic materials 0.000 claims description 25
- 239000011593 sulfur Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 22
- 230000003134 recirculating effect Effects 0.000 claims description 19
- 238000009826 distribution Methods 0.000 claims description 12
- 239000003245 coal Substances 0.000 claims description 11
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 238000010926 purge Methods 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 230000002745 absorbent Effects 0.000 claims description 6
- 239000002250 absorbent Substances 0.000 claims description 6
- 239000008187 granular material Substances 0.000 claims description 6
- 239000004615 ingredient Substances 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 238000004220 aggregation Methods 0.000 claims description 4
- 230000002776 aggregation Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 238000012858 packaging process Methods 0.000 claims description 4
- 238000010304 firing Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 210000003437 trachea Anatomy 0.000 claims 1
- 238000001994 activation Methods 0.000 abstract description 45
- 238000010924 continuous production Methods 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 238000002360 preparation method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 229910021536 Zeolite Inorganic materials 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000010457 zeolite Substances 0.000 description 4
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 3
- 239000005751 Copper oxide Substances 0.000 description 3
- 235000001014 amino acid Nutrition 0.000 description 3
- -1 application Substances 0.000 description 3
- 238000001354 calcination Methods 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 229910000431 copper oxide Inorganic materials 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 206010021143 Hypoxia Diseases 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 150000001413 amino acids Chemical class 0.000 description 2
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 229910000420 cerium oxide Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 230000007954 hypoxia Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 208000028399 Critical Illness Diseases 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 235000013877 carbamide Nutrition 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 231100001143 noxa Toxicity 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3014—Kneading
-
- 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
- B01D53/06—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 with moving adsorbents, e.g. rotating beds
- B01D53/10—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 with moving adsorbents, e.g. rotating beds with dispersed adsorbents
- B01D53/12—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 with moving adsorbents, e.g. rotating beds with dispersed adsorbents according to the "fluidised technique"
-
- 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
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/16—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by suspending the powder material in a gas, e.g. in fluidised beds or as a falling curtain
-
- 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
-
- 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
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0262—Compounds of O, S, Se, Te
-
- 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
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3028—Granulating, agglomerating or aggregating
-
- 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
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to the technical field of controlling volatile organic compound waste gases, in particular to a use method of an activation granulation tower special for preparing a volatile organic compound waste gas active adsorbent. The use method is characterized in that a tail gas discharged from a circulating fluidized bed waste heat boiler rises spirally in an activation granulation tower to achieve technological processes of mixing, cooling, activation, granulation and separation with overheated sulfuric steam, circulating fluidized bed coal-fired boiler fly ashes and disulfur dichloride fog drops, thereby completing an entire technical process of activation granulation of the adsorbent in the tower, and enabling batch continuous production to become possible.
Description
Technical field
The present invention relates to volatile organic compound from waste gas Treatment process field, and in particular to a kind of volatile organic compound
Thing waste gas hypersober prepares the using method of special activation granulation tower.
Background technology
The gaseous contaminant of industrial discharge is the main source of air environmental pollution thing, and wherein VOC gives up
Gas (VOCs) is that all have the gaseous contaminant of serious harm effect to environment, while being also to affect operator in working space
Healthy occupational source, it is extensively from the chemistry work such as paint, coating, application, lubricating oil, rubber
Industry.Due to its considerable damage effect to human body and natural environment, country has put into effect relevant laws and regulations and it has been administered and is discharged
Strictly controlled.VOCs treatment technology processing method conventional at present has combustion method, chemical oxidization method, chemical absorbing
Method, absorption method, bioanalysises etc..Wherein absorption method is a kind of conventional organic waste-gas purification effective ways, is using various solids
Adsorbent（Such as activated carbon, NACF, molecular sieve）The method that pollutant in discharging waste gas carry out adsorption cleaning.Inhale
Attached method equipment is simple, applied widely, purification efficiency is high, is a kind of traditional waste gas pollution control and treatment technology, is also most widely used at present
Treatment process.The quality of adsorption cleaning performance depends mainly on the performance of adsorbent, and domestic adsorbent at present is usually granule
Activated carbon and NACF, due to becoming solid waste after adsorbent absorption organic exhaust gas, such as using elution method or heating
Again row activation can produce new pollutant to method, the method generally disposed according to the concerned countries specification of solid waste at
Put, therefore the use cost of adsorbent is higher.And CFBB flying dust is modal discarded during boiler for producing
Thing, the aerial dust of loss to environment, how to turn waste into wealth and high-value-use such as to prepare volatility organic
Compound exhaust air hypersober is always the problem that the art engineers and technicians want to be solved, therefore ciculation fluidized
Bed boiler fly ash activation pelletize is exactly its key technology.Chinese invention patent（Patent No. 201410075863.5, patent name
For a kind of organic exhaust gas adsorption cleanser and preparation method thereof）Disclose a kind of organic exhaust gas adsorption cleanser and its preparation side
Method, is characterized in that：Including the following raw material according to mass fraction meter：Zeolite 85-95 parts, copper oxide 5-10 parts, FeOCl 5-
10 parts.Present invention also offers a kind of preparation method of organic exhaust gas adsorption cleanser.The organic exhaust gas adsorption that the present invention is provided
Cleanser, carrier zeolite heat stability is good, high adsorption capacity, and copper oxide and FeOCl decompose catalysis activity height, life-span length,
The preparation method of the organic exhaust gas adsorption cleanser that the present invention is provided, process is simple, low cost.Chinese invention patent（The patent No.
For 201310387366.4, patent name is a kind of modified activated carbon absorbent of low-concentration organic exhaust gas and preparation method thereof）
A kind of modified activated carbon absorbent of low-concentration organic exhaust gas and preparation method thereof is disclosed, be it is characterized in that：By following weight portion
Raw material make：It is activated carbon 100-120, cerium oxide 2-3, Ammonium persulfate. 1-2, kieselguhr 70-80, lignin 3-4, modified concavo-convex
Rod soil 8-10, appropriate amount of water.Present invention uses the oxidant such as cerium oxide, Ammonium persulfate., can Quick Oxidation decomposing organic matter；Also make
With kieselguhr, energy active adsorption dust granules；The present invention is by being spray-dried, and the granule for obtaining is tiny, fluffy, and space is big,
Advantages of good adsorption effect, is adapted to the purification of low-concentration organic exhaust gas, and process is simple, is adapted to industrialized production.Chinese invention patent（Specially
Profit number is 200810150162.8, and patent name is calcium amino acid composite fertilizer and preparation method thereof）Disclose amino acid calcium to be combined
Fertilizer and preparation method thereof, is characterized in that：Mix with carbamide, MAP and agricultural potassium sulfate after raw material zeolite is crushed, then
In sending into fused mass storage tank, homemade aminoacids complex mixture is added after melting, stirred, with rotary
Shower nozzle granulator granulation, the globular material after pelletize falls in granulation tower, and cooling, screened, metering are air-dried in tower
With packaging finished product.
Conventional example one is using zeolite and activator（Catalyst）Copper oxide, FeOCl are sent in Muffle furnace and are calcined
Process prepare organic waste-gas adsorbant, usual Muffle furnace is used for experimental analysiss, and method description is also experimentation, also
It is to say that the technology also has a segment distance from industrialization；Conventional example two is modified at activation with activated carbon as raw material to it
Reason, final step is for calcining in feeding calcining furnace and grinds, and main activating process equipment is calcining furnace, and processing step is more, nothing
Method is continuously produced, and labor intensity of operating staff is higher, and environmental contaminants is also easy to produce in art production process and occupation is critically ill
Noxa element；Conventional example three should be the technical scheme being closer to the present invention, and operation principle is also more similar, because institute
The technical field of category is different, and the technical scheme of application is different, and its process unit for preparing also is differed.
The content of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of volatile organic compound from waste gas activated adoption
Agent prepares the using method of special activation granulation tower, it is characterized in that：
Step one, first with the recirculating fluidized bed waste heat boiler emission that 30～35 DEG C, oxygen amount are 5～9% on bracing frame
Activation pelletize tower assembly, material returning device are purged, and 30～60 minutes time, are down to activation pelletize tower assembly, material returning device temperature
30～35 DEG C, prevent overheated sulfur from firing and providing cooler environment temperature.
Step 2, recipe ingredient circulating fluidized bed combustion coal boiler fly ash, overheated sulfur steam, disulphur dichloride are respectively from following
Ring fluid bed coal-burning boiler flying dust feed pipe, overheated sulfur steam inlet duct, disulphur dichloride nozzle are transported in feeding assembly,
Send in activation granulation tower body in the port of export mixing of feeding assembly, Jing recirculating fluidized bed waste heat boiler emission imports, cloth
Aerofoil, blast cap purge the tail gas that comes up, and by sleeve pipe spinning in and out the distance of bell jar and air distribution plate, the ventilation on airduct circumference are adjusted
The navigation designing in hole, tail gas can form spiralling wind band by wall along activation granulation tower body, carry above-mentioned recipe ingredient and realize
Mixing, cooling, activation, pelletize, detached technical process：Overheated sulfur steam forms sulfur glue and dichloride two after rapidly cooling down
Sulfur misty liquid droplets are wrapped in and activation cycle fluidized bed burned-coal boiler fly ash forms the granule constantly grown up, and make along activation with tail gas
During grain tower body spiral inner wall rises, it is continually colliding, rubbing loses kinetic energy, and to center aggregation, particle growth to
After determining diameter, fall under gravity into material blanking tube and enter packaging process.
Step 3, the recirculating fluidized bed waste heat boiler emission after separating with absorbent particles continues upwardly into returning charge
Device room, the cyclonic separation again of the fine grained in tail gas, Jing refeed lines are returned in activation granulation tower body with the help of purging device, tail
Gas Jing aiutages are discharged into environment treating facility process.
Inventor has found that recirculating fluidized bed waste heat boiler emission is the high temperature in circulating fluidized bed combustion coal boiler furnace
Flue gas is Jing after heat-exchange system heat exchange, dry collector is disposed absorbs the emission after waste heat into waste heat boiler, follows
Ring fluid bed waste heat boiler emission oxygen amount is generally 5～9%, and temperature is 30～35 DEG C, is to prepare sulfur glue preferably to cool down
Medium, because sulfur is inflammable and explosive, the probability fired in the environment of hypoxia is extremely low.Recirculating fluidized bed waste heat boiler is discharged
Tail gas completes to prepare cooling, the guarantor needed for volatile organic compound from waste gas hypersober as a kind of technical process medium
Shield, mixing, separation, activation, pelletize, the operational process of craft of conveying, also high-value-use discharge while reducing pollutant emission
Tail gas.
Inventor has found that recirculating fluidized bed waste heat boiler emission comes up from activation pelletize tower bottom air distribution plate purging,
Can observe from air-flow cross section transverse along activation pelletize tower wall spiral up draft, air-flow formation periphery flow velocity is fast, center
Flow velocity is slow, the periphery feature big compared with center pressure.Order about the adsorbent constantly grown up and throw to tower wall frictional impact and lose under kinetic energy
Fall, and to center aggregation, absorbent particles diameter grow up to after certain diameter under gravity with recirculating fluidized bed waste heat
Boiler emission tail gas separation, Jing material blanking tubes enter packaging process.A diameter of aerodynamic diameter.
Inventor has found that recirculating fluidized bed waste heat boiler emission can be by design requirement in activation granulation tower internal coiling
Rise and ensure the time of staying of material, need the structure by designing blast cap, height, arrangement to go solve problem, the present invention is excellent
The air vent for selecting bell-type windshield, tail gas Jing airducts is purged to air distribution plate again from bell jar with the gap of airduct, then Jing air distribution plates
Stop and moved to activation pelletize tower top stream, unify to form one by the air vent of airduct in the several Wind discharging hats near material blanking tube periphery
The through-hole guides tail gas spiral in direction, is exactly to adjust tail gas spiral wind with a distance from air distribution plate, actually by adjusting bell jar
The width of band, substantially have adjusted the time that tail gas spiral wind band rises along activation granulation tower spiral inner wall, so as to ensure material
Activation the granulation tower time of staying.
Inventor has found, is necessary to activation granulation tower Aided design cyclone separation feeder, on the one hand improves absorption
The yield of agent, another aspect adsorbent main material CFBB flying dust is pollutant, can give follow-up environmental protection treatment
Facility reduces the heavy burdens.
Relative to prior art, the present invention is at least containing having the advantage that：First, recirculating fluidized bed waste heat boiler emission
Complete to prepare mixing, cooling, the work needed for volatile organic compound from waste gas hypersober as a kind of technical process medium
Change, pelletize, detached operational process of craft, are optimal technical process media, prepare the main material needed for adsorbent and are
Circulating fluidized bed combustion coal boiler fly ash, sulfur glue, disulphur dichloride, the special activation granulation tower for needing design suitable；Second, it is existing
It is regular shape to have after technology granulating and forming, is unfavorable for that adsorbent provides larger specific surface area and porosity, and volatility has
Machine compound exhaust air hypersober is preferably designed as dumped packing, to improve waste gas in pollutant adsorption efficiency and reduce wind
Resistance；3rd, recirculating fluidized bed waste heat boiler emission oxygen amount is extremely low, and the probability pole that sulfur is fired occurs in the environment of hypoxia
It is low, beneficial to safety in production, while being highly desirable as the technical cooling medium of sulfur glue, sulfur glue has been played as bonding
Agent and the function of adsorbent, and recirculating fluidized bed waste heat boiler emission spiral in activation granulation tower, overheated sulfur
Steam, circulating fluidized bed combustion coal boiler fly ash, the abundant mass-and heat-transfer of disulphur dichloride droplet, live so as to complete adsorbent in tower
Change the whole technical process of pelletize, be possibly realized the continuous production of batch；4th, activate granulation tower Aided design cyclonic separation returning charge
On the one hand device improves the yield of adsorbent, on the other hand can reduce the heavy burdens to follow-up environment treating facility；5th, activate pelletize
Tower is obturator, and activation prilling operating process is carried out in closed process units, and the probability for making pollution environment becomes
Obtain extremely low.
Description of the drawings
Fig. 1 is the use that a kind of volatile organic compound from waste gas hypersober of the invention prepares special activation granulation tower
The main structure diagram of method.
Fig. 2 is the use that a kind of volatile organic compound from waste gas hypersober of the invention prepares special activation granulation tower
The overlooking the structure diagram of method.
Fig. 3 is the use that a kind of volatile organic compound from waste gas hypersober of the invention prepares special activation granulation tower
The A partial enlargement structural representations of method.
Fig. 4 is the use that a kind of volatile organic compound from waste gas hypersober of the invention prepares special activation granulation tower
The B partial enlargement structural representations of method.
Fig. 5 is the use that a kind of volatile organic compound from waste gas hypersober of the invention prepares special activation granulation tower
The C of method is to structural representation.
Fig. 6 is the use that a kind of volatile organic compound from waste gas hypersober of the invention prepares special activation granulation tower
The D of method is to structural representation.
Fig. 7 is the use that a kind of volatile organic compound from waste gas hypersober of the invention prepares special activation granulation tower
The E full-page proof structural representations of method.
1- activates pelletize tower assembly 2- material returning device 3- bracing frames
4- material blanking tube 5- air distribution plate 6- recirculating fluidized bed waste heat boiler emission imports
7- feeding assembly 8- refeed line 9- purging devices 10- activates pelletize tower body
11- material returning devices room 12- aiutage 13- circulating fluidized bed combustion coal boiler fly ash feed pipes
The overheated sulfur steam inlet duct 15- disulphur dichlorides nozzle 16- blast caps of 14-
17- bell jar 18- air vent 19- sleeve pipe 20- airducts.
Specific embodiment
Below in conjunction with the accompanying drawings this device is described further with specific embodiment.
The present invention as shown in accompanying drawing 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, live by a kind of volatile organic compound from waste gas
Property adsorbent prepare it is special activation granulation tower using method, it is characterized in that：Step one, first with 30～35 DEG C, oxygen amount be 5～
9% recirculating fluidized bed waste heat boiler emission is purged to the activation pelletize tower assembly 1, material returning device 2 on bracing frame 3, when
Between 30～60 minutes, make activation pelletize tower assembly 1, the temperature of material returning device 2 be down to 30～35 DEG C, prevent overheated sulfur from firing and providing
Cooler environment temperature.
Step 2, recipe ingredient circulating fluidized bed combustion coal boiler fly ash, overheated sulfur steam, disulphur dichloride are respectively from following
Ring fluid bed coal-burning boiler flying dust feed pipe 13, overheated sulfur steam inlet duct 14, disulphur dichloride nozzle 15 are transported to charging
In component 7, send in activation pelletize tower body 10 in the port of export mixing of feeding assembly 7, the discharge of Jing recirculating fluidized beds waste heat boiler
Inlet exhaust gas 6, air distribution plate 5, blast cap 16 purge the tail gas that comes up, and bell jar 17 is adjusted with air distribution plate 5 by the spinning in and out of sleeve pipe 19
Distance, the navigation designing of the air vent 18 on the circumference of airduct 20, tail gas can form spiral along the inwall of activation pelletize tower body 10
Wind band, carry above-mentioned recipe ingredient and realize mixing, cooling, activation, pelletize, detached technical process：Overheated sulfur steam urgency
But afterwards formation sulfur glue is wrapped in quickly cooling with disulphur dichloride and activation cycle fluidized bed burned-coal boiler fly ash is formed and constantly grown up
Granule, during rising along the spiral inner wall of activation pelletize tower body 10 with tail gas, be continually colliding, rubbing loses kinetic energy, and
To center aggregation, after particle growth to certain diameter, fall under gravity into material blanking tube 4 and enter packaging process.
Step 3, the recirculating fluidized bed waste heat boiler emission after separating with absorbent particles continues upwardly into returning charge
Device room 11, the cyclonic separation again of the fine grained in tail gas, Jing refeed lines 8 return activation pelletize tower body with the help of purging device 9
In 10, tail gas Jing aiutages 12 are discharged into environment treating facility process.
The announcement and teaching of book according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and changed.Therefore, specific embodiment disclosed and described above is the invention is not limited in, to the present invention's
Some modifications and changes should also be as falling in the scope of the claims of the present invention.Although additionally, used in this specification
Some specific terms, but these terms are merely for convenience of description, do not constitute any restriction to the present invention.
Claims (2)
1. a kind of volatile organic compound from waste gas hypersober prepares the using method of special activation granulation tower, its feature
It is：Step one, first with the recirculating fluidized bed waste heat boiler emission that 30～35 DEG C, oxygen amount are 5～9% on bracing frame
Activation pelletize tower assembly, material returning device are purged, and 30～60 minutes time, are down to activation pelletize tower assembly, material returning device temperature
30～35 DEG C, prevent overheated sulfur from firing and providing cooler environment temperature；Step 2, recipe ingredient circulating fluidized bed combustion coal boiler
Flying dust, overheated sulfur steam, disulphur dichloride enter respectively from circulating fluidized bed combustion coal boiler fly ash feed pipe, overheated sulfur steam
Trachea, disulphur dichloride nozzle are transported in feeding assembly, are sent in activation granulation tower body in the port of export mixing of feeding assembly,
Jing recirculating fluidized bed waste heat boiler emission imports, air distribution plate, blast cap purge the tail gas that comes up, and carry above-mentioned recipe ingredient and realize
Mixing, cooling, activation, pelletize, detached technical process：Overheated sulfur steam forms sulfur glue and dichloride two after rapidly cooling down
Sulfur is wrapped in and activation cycle fluidized bed burned-coal boiler fly ash forms the granule constantly grown up, with tail gas along activation granulation tower body
During wall spiral, it is continually colliding, rubbing loses kinetic energy, and to center aggregation, after particle growth to certain diameter,
Fall under gravity into material blanking tube and enter packaging process；Step 3, more than the recirculating fluidized bed after separating with absorbent particles
Heat boiler emission continues upwardly into material returning device room, the cyclonic separation again of the fine grained in tail gas, and Jing refeed lines are in purging
Return with the help of device in activation granulation tower body, tail gas Jing aiutages are discharged into environment treating facility process.
2. a kind of volatile organic compound from waste gas hypersober according to claim 1 prepares special activation granulation tower
Using method, it is characterized in that：The air vent of recirculating fluidized bed waste heat boiler emission Jing airducts is again from bell jar and airduct
Gap is purged to air distribution plate, then the stop of Jing air distribution plates is moved to activation pelletize tower top stream, by the number row near material blanking tube periphery
The air vent of airduct unifies the through-hole guides tail gas spiral to form a direction in blast cap, by adjusting bell jar from air distribution plate
Distance, be exactly actually the width for adjusting tail gas spiral wind band, substantially have adjusted tail gas spiral wind band along activation granulation tower along
The wall spiralling time, so as to ensure material activation the granulation tower time of staying.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6555712B2 (en) * | 2001-03-28 | 2003-04-29 | Indian Institute Of Technology | Process for the preparation of diorganotrisulfide |
| CN101497552A (en) * | 2009-03-19 | 2009-08-05 | 江苏钟腾化工有限公司 | Method for preparing p-chlorotoluene and o-chlorotoluene by chlorination toluene |
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2017
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6555712B2 (en) * | 2001-03-28 | 2003-04-29 | Indian Institute Of Technology | Process for the preparation of diorganotrisulfide |
| CN101497552A (en) * | 2009-03-19 | 2009-08-05 | 江苏钟腾化工有限公司 | Method for preparing p-chlorotoluene and o-chlorotoluene by chlorination toluene |
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Address after: 362000 the 2 floor of 32 new gate Street and 1916 Creative Industrial Park, Licheng District, Quanzhou, Fujian, China, 1916 Applicant after: Yang Song Address before: 362000 No. 135 Cui Hu Road, Hu tou Town, Anxi County, Fujian, Quanzhou, Fujian Applicant before: Yang Song |
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Application publication date: 20170426 Assignee: Quanzhou green low carbon Research Institute Assignor: Yang Song Contract record no.: 2019350000001 Denomination of invention: Use method of activation granulation tower special for preparing volatile organic compound waste gas active adsorbent Granted publication date: 20181116 License type: Exclusive License Record date: 20190116 |
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Effective date of registration: 20211231 Address after: 222000 floor 6, suhai road safety and environmental protection management center, Xuwei new area, Lianyun District, Lianyungang City, Jiangsu Province Patentee after: Jiangsu Yangjing Environmental Protection Service Co.,Ltd. Address before: 362000 the 2 floor of 32 new gate Street and 1916 Creative Industrial Park, Licheng District, Quanzhou, Fujian, China, 1916 Patentee before: Yang Song |