CN107854930A - A kind of waste gas processing method and processing system - Google Patents
A kind of waste gas processing method and processing system Download PDFInfo
- Publication number
- CN107854930A CN107854930A CN201711195207.9A CN201711195207A CN107854930A CN 107854930 A CN107854930 A CN 107854930A CN 201711195207 A CN201711195207 A CN 201711195207A CN 107854930 A CN107854930 A CN 107854930A
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- spray column
- waste gas
- activated carbon
- water
- waste
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- 239000002912 waste gas Substances 0.000 title claims abstract description 43
- 238000012545 processing Methods 0.000 title claims abstract description 18
- 238000003672 processing method Methods 0.000 title claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 92
- 239000007921 spray Substances 0.000 claims abstract description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000007789 gas Substances 0.000 claims abstract description 56
- 238000011282 treatment Methods 0.000 claims abstract description 32
- 238000010521 absorption reaction Methods 0.000 claims abstract description 11
- 230000008929 regeneration Effects 0.000 claims abstract description 9
- 238000011069 regeneration method Methods 0.000 claims abstract description 9
- 239000002351 wastewater Substances 0.000 claims description 55
- 238000010438 heat treatment Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 18
- 239000010802 sludge Substances 0.000 claims description 16
- 239000010815 organic waste Substances 0.000 claims description 14
- 238000000746 purification Methods 0.000 claims description 13
- 239000003814 drug Substances 0.000 claims description 11
- 239000002699 waste material Substances 0.000 claims description 8
- 238000003795 desorption Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000003344 environmental pollutant Substances 0.000 claims description 4
- 239000013618 particulate matter Substances 0.000 claims description 4
- 231100000719 pollutant Toxicity 0.000 claims description 4
- 238000011403 purification operation Methods 0.000 claims description 3
- 238000005119 centrifugation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 5
- 239000012855 volatile organic compound Substances 0.000 description 22
- 239000003610 charcoal Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 238000012856 packing Methods 0.000 description 5
- 239000002250 absorbent Substances 0.000 description 4
- 230000002745 absorbent Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000005189 flocculation Methods 0.000 description 3
- 230000016615 flocculation Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000003694 hair properties Effects 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000007592 spray painting technique Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 230000003442 weekly effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/12—Washers with plural different washing sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- 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
- B01D53/04—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 stationary adsorbents
-
- 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
- B01D53/14—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 absorption
- B01D53/1487—Removing organic compounds
-
- 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
- B01D53/14—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 absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
-
- 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
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The present invention provides a kind of waste gas processing method and processing system, it includes Water curtain machine, first order spray column, second level spray column, activated carbon, centrifugal blower and aiutage to the processing system, and the gas outlet of the Water curtain machine is connected by the first collecting pipe with the air inlet of the first order spray column；Compared with prior art, the spray tower structure that this programme is set by using plural serial stage first is purged operation to organic exhaust gas, is removed through spray column and carries out outer arrange by aiutage after post-job waste gas does further exhaust-gas treatment by activated carbon structure again；This programme considers recycling and the treatment effect reliability of whole device, activated-carbon device in this programme can carry out regeneration reuse, heated using heater to entering the air in activated carbon, so that organic exhaust gas of the absorption in activated carbon parses, and the organic exhaust gas parsed is sent into spray column and handled.
Description
Technical field
The present invention relates to technical field of waste gas treatment, refers in particular to a kind of waste gas processing method and processing system.
Background technology
In some production fields, it often produces some organic exhaust gas in process of production.Such as in household application
In industry, it to household during spray painting painting operation is carried out, and caused organic exhaust gas is in no any processing thereon
In the case of, boundary's discharge is just often directed out, external environment is seriously polluted, is unfavorable for environmental protection.Therefore in view of this, it is right
In how searching out a kind of simple in construction, the stable and reliable in work and emission-control equipment that effectively can be handled organic exhaust gas
Just it is particularly important.
The content of the invention
For there is the deficiency of technology, present invention offer is a kind of simple in construction, stable and reliable in work and can be effectively to organic waste
The waste gas processing method that gas is handled.
To achieve the above object, technical scheme provided by the present invention is：A kind of waste gas processing method, waste gas is through Water curtain machine
It is sent into after pretreatment in follow-up multi-stage spray tower and carries out purification operation successively, removes particulate pollutant and volatility in waste gas
Organic exhaust gas VOCS；Further adsorb the volatility in waste gas by activated carbon again through the post-job waste gas of multi-stage spray tower purification
Organic exhaust gas VOCSAfter direct out discharge；When needing to carry out regeneration operation to activated carbon, the sky entered in activated carbon is heated
Gas to adsorb the volatile organic waste gas VOC in activated carbonSDesorption comes out, the volatile organic waste gas VOC for being desorbed outS
Enter back into and purification cancel job is carried out in spray column, the waste gas after purified cancel job reenters activity through heating again
In charcoal, continue to repeat said process, until the volatile organic waste gas VOC in activated carbonSPurification is completed.
Further, discharge of wastewater carries out electrochemical treatments into wastewater disposal basin in Water curtain machine and spray column, returning after processing
It is used to remove particulate matter and volatile organic waste gas VOC in waste gas with adding in waterSMedicament, add the reuse Water Sproading of medicament
Reused into Water curtain machine and spray column.
Yet further, the waste water in Water curtain machine and spray column also carries out sludge filtration processing, by the sludge in waste water point
Separate out and come and pack to transport.
The present invention also provides a kind of exhaust treatment system according to above-mentioned waste gas processing method simultaneously, and it includes cascade
Machine, first order spray column, second level spray column, activated carbon, centrifugal blower and aiutage, the gas outlet of the Water curtain machine pass through
First collecting pipe is connected with the air inlet of the first order spray column, and the gas outlet of the first order spray column passes through second
Collecting pipe is connected with the air inlet of second level spray column, and the gas outlet of the second level spray column passes through the 3rd collecting pipe
Be connected with centrifugal blower, the activated carbon is arranged between the second level spray column gas outlet and centrifugal blower, it is described from
The organic exhaust gas being also communicated between heart blower fan and first collecting pipe for being desorbed in activated carbon is back in spray column
Circulating line, first collecting pipe is provided with the first electrically operated valve close to the Water curtain machine exit thereon, described
Three collecting pipes are additionally provided with the heating pipe of connection between its ends between thereon, and the heating pipe sprays close to the second level
The end of leaching tower gas outlet is sequentially installed with the 4th electrically operated valve and desorption blower fan, and the heating pipe is close to the centrifugation wind
Machine end is sequentially installed with heater and the 5th electrically operated valve, the 3rd collecting pipe its close to described activated carbon one end
Place is provided with the second electrically operated valve, is provided with the 3rd electrically operated valve on the centrifugal blower, the circulating line its positioned at described
The end of centrifugal blower is provided with the 6th electrically operated valve.
Further, wastewater disposal basin is also included, wherein in the Water curtain machine, first order spray column and second level spray column
Waste water is imported into the wastewater disposal basin by the Water curtain machine waste pipe and spray column waste pipe that are provided with respectively.
Further, electrochemical wastewater processor and clear water reserviors are also included, wherein the waste water stream in the wastewater disposal basin
Enter to carry out purified treatment in the electrochemical wastewater processor and the waste water after treatment and purification is sent in clear water reserviors, it is described clear
Pond is connected with the Water curtain machine, first order spray column and second level spray column respectively by the reuse water pipe being provided with.
Further, the electrochemical wastewater processor is additionally provided with it for the sludge in waste water to be separated
Sludge filtration system.
Preferentially, the heater is ceramic heating pipe.
Compared with prior art, the spray tower structure that this programme is set by using plural serial stage first enters to organic exhaust gas
Row removes operation, is removed through spray column after post-job waste gas does further exhaust-gas treatment by activated carbon structure again and passes through row
Inflator carries out outer arrange；This programme considers recycling and the treatment effect reliability of whole device, the activity in this programme
Charcoal device can carry out regeneration reuse, be heated using heater to entering the air in activated carbon so that absorption
Organic exhaust gas in activated carbon is parsed, and the organic exhaust gas parsed is sent into spray column and handled；Simultaneously
Waste water in Water curtain machine and spray column also needs to carry out purified treatment and by the waste water after purified treatment through electrochemical treatments machine
It is sent in clear water reserviors and is reused.
Brief description of the drawings
Fig. 1 is the operation principle structural representation of the present invention.
Fig. 2 is the VOCs treatment process schematic in the present invention.
Fig. 3 is activated carbon desorption-solution absorption process schematic diagram in the present invention.
Fig. 4 is the absorbent solution regeneration process schematic diagram in the present invention.
In figure：
1- Water curtain machines, 2- electrochemical wastewater processors, 3- wastewater disposal basins, 4- clear water reserviors, 5- first order spray columns, the 6- second level
Spray column, 7- desorption blower fans, 8- heaters, 9- activated carbons, 10- centrifugal blowers, 11- aiutages, 12- circulating lines, 13-
One electrically operated valve, the electrically operated valves of 14- second, the electrically operated valves of 15- the 3rd, the electrically operated valves of 16- the 4th, the electrically operated valves of 17- the 5th,
The electrically operated valves of 18- the 6th, 19- Water curtain machine waste pipes, 20- spray column waste pipes, 21- reuse water pipes, 22- outlet pipes, 23- water inlets
Pipe, the collecting pipes of 24- first, the collecting pipes of 25- second, the collecting pipes of 26- the 3rd.
Embodiment
With reference to specific embodiment, the invention will be further described.
The present invention provides a kind of waste gas processing method first, and waste gas is sent into follow-up multi-stage spray after Water curtain machine pre-processes
Purification operation is carried out in tower successively, removes particulate pollutant and volatile organic waste gas VOC in waste gasS；Through multi-stage spray tower
Purify post-job waste gas and further adsorb volatile organic waste gas VOC in waste gas by activated carbon againSAfter the row of directing out
Put；When needing to carry out regeneration operation to activated carbon, the air that heating enters in activated carbon to adsorb waving in activated carbon
Hair property organic exhaust gas VOCSDesorption comes out, the volatile organic waste gas VOC for being desorbed outSEnter back into spray column and carry out purification and disappear
Except operation, the waste gas after purified cancel job reenters in activated carbon through heating again, continues to repeat said process, directly
Volatile organic waste gas VOC in activated carbonSPurification is completed.Discharge of wastewater is carried out into wastewater disposal basin in Water curtain machine and spray column
Electrochemical treatments, add in the recycle-water after processing for removing particulate matter and volatile organic waste gas VOC in waste gasSMedicine
Agent, the recycle-water for adding medicament are recovered in Water curtain machine and spray column and reused.Waste water in Water curtain machine and spray column
Sludge filtration processing is also carried out, the sludge in waste water is separated and packed and is transported.
Referring to shown in accompanying drawing 1, the present invention provides a kind of exhaust treatment system, the exhaust treatment system include Water curtain machine 1,
First order spray column 5, second level spray column 6, activated carbon 9, centrifugal blower 10 and aiutage 11, the gas outlet of Water curtain machine 1 lead to
Cross the first collecting pipe 24 with the air inlet of first order spray column 5 to be connected, the gas outlet of first order spray column 5 passes through the second collection
Feed channel 25 is connected with the air inlet of second level spray column 6, and the gas outlet of second level spray column 6 passes through the 3rd collecting pipe 26
It is connected with centrifugal blower 10, activated carbon 9 is arranged between the gas outlet of second level spray column 6 and centrifugal blower 10, centrifugal blower
Also it is communicated between 10 and first collecting pipe 24 and is back to for the organic exhaust gas being desorbed in activated carbon 9 in spray column
Circulating line 12, the first collecting pipe 24 are provided with the first electrically operated valve 13, the 3rd discharge close to the exit of Water curtain machine 1 thereon
Road 26 is additionally provided with the heating pipe of connection between its ends between thereon, and heating pipe is close to the gas outlet of second level spray column 6
End is sequentially installed with the 4th electrically operated valve 16 and desorption blower fan 7, and heating pipe is pacified successively close to the end of centrifugal blower 10
Equipped with heater 8 (heater 8 preferential for ceramic heating pipe) and the 5th electrically operated valve 17, the 3rd collecting pipe 26 its
Second electrically operated valve 14 is installed close to the end of activated carbon 9, the 3rd electrically operated valve 15, circulation pipe are installed on centrifugal blower 10
Road 12 its be located at the end of centrifugal blower 10 the 6th electrically operated valve 18 be installed.
Above-mentioned exhaust treatment system in the present embodiment also includes wastewater disposal basin 3, wherein Water curtain machine 1, first order spray column 5
It is imported into respectively by the Water curtain machine waste pipe 19 and spray column waste pipe 20 that are provided with the waste water in second level spray column 6 useless
In pond 3.It also includes electrochemical wastewater processor 2 and clear water reserviors 4, and the wherein waste water in wastewater disposal basin 3 passes through water inlet pipe
Purified treatment is carried out in 23 inflow electrochemical wastewater processors 2 and is sent to the waste water after treatment and purification clearly by outlet pipe 22
In pond 4, clear water reserviors 4 are sprayed with Water curtain machine 1, first order spray column 5 and the second level respectively by the reuse water pipe 21 being provided with
Tower 6 is connected.Electrochemical wastewater processor 2 is additionally provided with the sludge filtration system for the sludge in waste water to be separated in it
System.
Referring to shown in accompanying drawing 2, being VOCs treatment process schematic.Waste gas caused by spraying is located in advance by Water curtain machine 1
After reason, by opening the first electrically operated valve 13, the second electrically operated valve 14 and the 3rd electrically operated valve 15, the 4th electrically operated valve is closed
16th, the 5th electrically operated valve 17 and the 6th electrically operated valve 18 are delivered to medicament spray column by the first collecting pipe 24, are sprayed in medicament
Drench in tower, remove the particulate pollutant in removing exhaust gas and absorb the VOC in waste gas using medicamentS, prevent dust pollution from blocking activity
VOC in charcoal adsorbent equipment and reduction waste gasS.Packing layer is provided with spray column, is that the mass transfer of contact member between gas-liquid two-phase is set
It is standby.Gas is sent into from bottom of towe, after distribution device in gas-fluid is distributed, is continued through the space of packing layer in adverse current with liquid, is being filled out
Expect on surface, gas-liquid two-phase close contact carries out mass transfer, removes VOC in removing exhaust gasSWith particulate matter etc..Waste gas after purification, then
Enter next stage processing equipment after demisting plate dehydrating demisting.Absorbing liquid bottom of towe after water pump is pressurized tower top spray and under,
Finally it is back to bottom of towe recycling.By two-stage spray-absorption VOCSEnter absorbent charcoal adsorber with the waste gas after dedusting,
In absorbent charcoal adsorber, the VOC in waste gas is adsorbed using activated carbon 9S.Activated carbon is a kind of very tiny and with very big
Surface area, and also have more tiny hole --- capillary in activated carbon.This capillary has very strong adsorption capacity, by
It is very big in the specific surface area of activated carbon, so can fully be contacted with gas (impurity).When these gases (impurity) encounter capillary
It is adsorbed, play purification suction-operated.Then the qualified discharge of aiutage 11 is passed through.
Referring to shown in accompanying drawing 3, being activated carbon desorption-solution absorption process schematic diagram.In factory's rest, pass through closing
First electrically operated valve 13, the second electrically operated valve 14 and the 3rd electrically operated valve 15, open the 4th electrically operated valve 16, the 5th electrically operated valve
17 and the 6th electrically operated valve 18, ceramic heating pipe heating is opened, hot-air is delivered into activated carbon case using blower fan is desorbed,
The activated carbon temperature in activated carbon case is set to be increased to about 140 DEG C, at such a temperature VOCSIt can be desorbed and come out from activated carbon, reach
The purpose of regenerating active carbon, the VOC for being desorbed outSSpray absorber is entered by pipeline, absorbed in absorption using medicament
VOCS, spray column is interior to be provided with packing layer, is the mass transfer apparatus of contact member between gas-liquid two-phase.Gas is sent into from bottom of towe, through gas
After distribution apparatus distribution, the space of packing layer, on filler surface, gas-liquid two-phase close contact are continued through in adverse current with liquid
Mass transfer is carried out, removes VOC in removing exhaust gasS.Waste gas returns to ceramic heating pipe after purification, by loop to be continued to heat, in system
Interior constantly circulation.Herein it should be noted that its regeneration period of activated carbon is that activity need to be just carried out after charcoal absorption saturation
Charcoal regeneration operation processing.
Referring to shown in accompanying drawing 4, being absorbent solution regeneration process schematic diagram.In waste gas treatment process, Water curtain machine 1
If there is the recycling of qualification unit by third party with absorption tower waste water, it will greatly increase enterprise's production cost and be difficult to pipe
Reason.Present design is handled waste water using electrochemical treatments technique, is reached and be can be used for technique reuse.Waste water is by row
Put pipeline and enter wastewater disposal basin 3, then handled waste water lifting into electrochemical wastewater by the elevator pump that electrochemical treatments machine carries
Equipment, it is anti-subsequently into electroxidation by electric flocculation unit by coating cloud and dust flocculation separation in electrochemical wastewater treatment equipment
Area is answered, and the CODcr in waste water is aoxidized using electroxidation is reduced, and is finally emitted into clear water reserviors 4.Dirt is set in electrochemical processing apparatus
Mud filtration system, the sludge in processing procedure can be separated, by the sludge separated packing by there is the outward transport of qualification unit.Cascade
Machine 1 and absorption tower waste water, which are emitted into weekly in wastewater electrochemical treatment device, to be handled, and the recycle-water after processing is inhaled by adding
Medicament is received, is back to use in Water curtain machine 1 and absorption tower, saves enterprise operation cost.Sludge treatment in wastewater treatment process：Waste water
Caused sludge is mainly the coating cloud particle that electric flocculation comes out in processing procedure, belongs to hazardous waste, it is necessary to by qualified list
Position recycling disposal.
Examples of implementation described above are only the preferred embodiments of the invention, and the implementation model of the present invention is not limited with this
Enclose, therefore the change that all shape, principles according to the present invention are made, it all should cover within the scope of the present invention.
Claims (8)
- A kind of 1. waste gas processing method, it is characterised in that：Waste gas is sent into after Water curtain machine pre-processes in follow-up multi-stage spray tower Purification operation is carried out successively, removes particulate pollutant and volatile organic waste gas VOC in waste gasS；Purified through multi-stage spray tower Post-job waste gas further adsorbs the volatile organic waste gas VOC in waste gas by activated carbon againSAfter direct out discharge；When When needing to carry out regeneration operation to activated carbon, the air that heating enters in activated carbon causes volatility of the absorption in activated carbon to have Machine waste gas VOCSDesorption comes out, the volatile organic waste gas VOC for being desorbed outSEnter back into and purification cancel job carried out in spray column, Waste gas after purified cancel job reenters in activated carbon through heating again, continues to repeat said process, until activated carbon Interior volatile organic waste gas VOCSPurification is completed.
- A kind of 2. waste gas processing method according to claim 1, it is characterised in that：Discharge of wastewater in Water curtain machine and spray column Electrochemical treatments are carried out into wastewater disposal basin, are added in the recycle-water after processing organic for removing particulate matter and volatility in waste gas Waste gas VOCSMedicament, the recycle-water for adding medicament is recovered in Water curtain machine and spray column and reused.
- A kind of 3. waste gas processing method according to claim 2, it is characterised in that：Waste water in Water curtain machine and spray column is also Sludge filtration processing is carried out, the sludge in waste water is separated and packed and is transported.
- A kind of a kind of 4. exhaust treatment system of waste gas processing method as claimed in claim 1, it is characterised in that：Include water Curtain machine, first order spray column, second level spray column, activated carbon, centrifugal blower and aiutage, the gas outlet of the Water curtain machine lead to The air inlet that the first collecting pipe is crossed with the first order spray column is connected, and the gas outlet of the first order spray column passes through Two collecting pipes are connected with the air inlet of second level spray column, and the gas outlet of the second level spray column passes through the 3rd discharge Road is connected with centrifugal blower, and the activated carbon is arranged between the second level spray column gas outlet and centrifugal blower, described The organic exhaust gas being also communicated between centrifugal blower and first collecting pipe for being desorbed in activated carbon is back to spray column Interior circulating line, first collecting pipe is provided with the first electrically operated valve close to the Water curtain machine exit thereon, described 3rd collecting pipe is additionally provided with the heating pipe of connection between its ends between thereon, and the heating pipe is close to the second level The end of spray column gas outlet is sequentially installed with the 4th electrically operated valve and desorption blower fan, and the heating pipe is close to the centrifugation Blower fan end is sequentially installed with heater and the 5th electrically operated valve, the 3rd collecting pipe its close to the activated carbon one Second electrically operated valve is installed at end, the 3rd electrically operated valve is installed on the centrifugal blower, the circulating line its be located at institute The end for stating centrifugal blower is provided with the 6th electrically operated valve.
- A kind of 5. exhaust treatment system according to claim 4, it is characterised in that：Also include wastewater disposal basin, wherein described Waste water in Water curtain machine, first order spray column and the second level spray column Water curtain machine waste pipe and spray column by being provided with respectively Waste pipe is imported into the wastewater disposal basin.
- A kind of 6. exhaust treatment system according to claim 5, it is characterised in that：Also include electrochemical wastewater processor And clear water reserviors, carry out purified treatment wherein the waste water in the wastewater disposal basin is flowed into the electrochemical wastewater processor and will locate Waste water after reason purification is sent in clear water reserviors, the clear water reserviors by the reuse water pipe that is provided with respectively with the Water curtain machine, First order spray column is connected with second level spray column.
- A kind of 7. exhaust treatment system according to claim 6, it is characterised in that：The electrochemical wastewater processor is in it It is additionally provided with the sludge filtration system for the sludge in waste water to be separated.
- A kind of 8. exhaust treatment system according to claim 4, it is characterised in that：The heater is ceramic heat Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711195207.9A CN107854930A (en) | 2017-11-25 | 2017-11-25 | A kind of waste gas processing method and processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN110240376A (en) * | 2019-06-28 | 2019-09-17 | 新疆中金科瑞新能源发展股份有限公司 | A kind of oily waste thermal desorption processing system and method |
| CN114217010A (en) * | 2021-11-29 | 2022-03-22 | 北京首钢股份有限公司 | Analytic system and method for testing analytic effect of activated carbon for desulfurization and denitrification |
| WO2021262094A3 (en) * | 2020-06-24 | 2022-04-07 | 益科斯有限公司 | Device for treating gas pollutants |
| CN114432831A (en) * | 2020-11-06 | 2022-05-06 | 苏州费斯特工业设备有限公司 | Paint room gas treatment system and method, intelligent terminal and storage medium |
| CN116562580A (en) * | 2023-05-19 | 2023-08-08 | 安徽鑫纪源科技有限公司 | Waste water and waste gas treatment system and method for lithium carbonate production workshop |
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| CN110240376A (en) * | 2019-06-28 | 2019-09-17 | 新疆中金科瑞新能源发展股份有限公司 | A kind of oily waste thermal desorption processing system and method |
| WO2021262094A3 (en) * | 2020-06-24 | 2022-04-07 | 益科斯有限公司 | Device for treating gas pollutants |
| CN114432831A (en) * | 2020-11-06 | 2022-05-06 | 苏州费斯特工业设备有限公司 | Paint room gas treatment system and method, intelligent terminal and storage medium |
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| CN116562580A (en) * | 2023-05-19 | 2023-08-08 | 安徽鑫纪源科技有限公司 | Waste water and waste gas treatment system and method for lithium carbonate production workshop |
| CN116562580B (en) * | 2023-05-19 | 2023-10-20 | 安徽鑫纪源科技有限公司 | Waste water and waste gas treatment system and method for lithium carbonate production workshop |
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