CN107398260A - A kind of regenerating unit and its method for being used to adsorb the activated carbon of organic exhaust gas - Google Patents
A kind of regenerating unit and its method for being used to adsorb the activated carbon of organic exhaust gas Download PDFInfo
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- CN107398260A CN107398260A CN201710634929.3A CN201710634929A CN107398260A CN 107398260 A CN107398260 A CN 107398260A CN 201710634929 A CN201710634929 A CN 201710634929A CN 107398260 A CN107398260 A CN 107398260A
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- unit
- activated carbon
- gas
- centrifugal blower
- regenerating
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 176
- 230000001172 regenerating effect Effects 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 107
- 239000002912 waste gas Substances 0.000 claims abstract description 47
- 238000002156 mixing Methods 0.000 claims abstract description 34
- 238000002485 combustion reaction Methods 0.000 claims abstract description 30
- 238000011069 regeneration method Methods 0.000 claims abstract description 17
- 239000003610 charcoal Substances 0.000 claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 15
- 238000003860 storage Methods 0.000 claims abstract description 14
- 238000005070 sampling Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 239000011248 coating agent Substances 0.000 claims description 27
- 238000000576 coating method Methods 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 229910052799 carbon Inorganic materials 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 13
- 230000008929 regeneration Effects 0.000 claims description 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 12
- 238000011084 recovery Methods 0.000 claims description 12
- 238000001179 sorption measurement Methods 0.000 claims description 9
- 229920006395 saturated elastomer Polymers 0.000 claims description 8
- 239000002918 waste heat Substances 0.000 claims description 8
- 239000010963 304 stainless steel Substances 0.000 claims description 6
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 6
- 239000001569 carbon dioxide Substances 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 239000000758 substrate Substances 0.000 abstract description 4
- 238000009841 combustion method Methods 0.000 abstract description 3
- 230000008439 repair process Effects 0.000 abstract description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000003514 immunorestorative effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 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
- B01J20/34—Regenerating or reactivating
- B01J20/3416—Regenerating or reactivating of sorbents or filter aids comprising free carbon, e.g. activated carbon
-
- 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
- B01D53/002—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 condensation
-
- 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
- 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
- B01J20/34—Regenerating or reactivating
- B01J20/345—Regenerating or reactivating using a particular desorbing compound or mixture
- B01J20/3458—Regenerating or reactivating using a particular desorbing compound or mixture in the gas phase
- B01J20/3466—Regenerating or reactivating using a particular desorbing compound or mixture in the gas phase with steam
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- 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
Abstract
The present invention relates to a kind of regenerating unit and its method for being used to adsorb the activated carbon of organic exhaust gas, regenerating active carbon unit, exhaust gas treatment unit, exhaust unit are followed successively by from left to right, three units through connection successively；The regenerating active carbon unit includes drying air fan, steam stripping machine, activated carbon fixed bin, the first gas skirt, and the exhaust gas treatment unit includes waste gas discharge, condenser, condensate storage, centrifugal blower, gas sampling pipe, air centrifugal blower, mixing chamber, combustion chamber, igniter, the second gas skirt；The exhaust unit includes discharge, heat exchanger, centrifugal blower, blast pipe.The present invention is rational in infrastructure, easy to use, treatment effeciency is high, the advanced science of method, using low-temperature heat method of reproduction, regenerates charcoal with 100 ~ 200 DEG C of steam stripping, avoids influence of the conventional high-temperature thermal regeneration method to activated carbon substrate；Waste gas caused by regenerative process is handled using direct combustion method, avoids the secondary pollution to environment.
Description
Technical field
The present invention relates to resource processing recycling field, more particularly to a kind of activated carbon for being used to adsorb organic exhaust gas
Regenerating unit and its method.
Background technology
Organic exhaust gas is many industrial enterprises, is discharged during such as oil, light industry, food, chemical industry industry production normal
Pollutant is seen, if not being effectively treated direct discharge, it will seriously pollute environment.Active carbon adsorption is processing organic waste
The most commonly used method of gas, but with the progress of adsorption process, the pollutant of activated carbon surface enrichment is more and more, adsorptivity
Also it is fully saturated activated carbon gradually to be decreased up to.If the activated carbon after adsorption saturation, must quilt without regeneration treatment
Abandon, and the activated carbon after abandoning can cause secondary pollution to environment, while increase the cost of adsorption operations.
Before making the present invention, absorption reaches the activated carbon of saturation state and regenerated after certain condition is handled, and can reduce
The wasting of resources, but there is organic exhaust gas caused by destruction and regeneration of the conventional high-temperature thermal regeneration method to activated carbon substrate not
Through handling the defects of directly discharging.Conventional high-temperature thermal regeneration method generally goes through 850 DEG C of high-temperature heatings, and it is mutual to often result in carbon granule
Bond, sinter blocking and cause phenomena such as local on fire, even result in system operation paralysis.Caused by during regenerating active carbon
Organic exhaust gas, if without processing, environment can equally be caused seriously to pollute, can more have a strong impact on the physical and mental health of people.
The content of the invention
The purpose of the present invention, which is that, overcomes drawbacks described above, develops a kind of regeneration for being used to adsorb the activated carbon of organic exhaust gas
Devices and methods therefor.
The object of the present invention is achieved like this, and a kind of regenerating unit for being used to adsorb the activated carbon of organic exhaust gas, it is special
Sign is：Regenerating active carbon unit, exhaust gas treatment unit, exhaust unit, regenerating active carbon unit, waste gas are followed successively by from left to right
Processing unit, exhaust unit through connection successively；
The regenerating active carbon unit includes activated carbon fixed bin, the first gas skirt, and activated carbon fixed bin is arranged at activated carbon again
In raw unit, the first gas skirt is fixed on the top of regenerating active carbon unit；It is solid on the outside of the lower-left of the regenerating active carbon unit
Surely there is drying air fan, drying air fan is connected with regenerating active carbon unit by coating steel pipe；The bottom right of regenerating active carbon unit
Outside is fixed with steam stripping machine, and steam stripping machine is connected with regenerating active carbon unit by coating steel pipe, and coating steel pipe is stretched
In in regenerating active carbon unit, and the upside tube wall for stretching in the coating steel pipe in regenerating active carbon unit is provided with some be evenly arranged
Aperture；
The exhaust gas treatment unit includes waste gas discharge, condenser, condensate storage, centrifugal blower, gas sampling pipe, sky
Gas centrifugal blower, mixing chamber, combustion chamber, igniter, the second gas skirt；The waste gas discharge connects the first gas skirt and cold
Condenser, the condenser are arranged on the right side of regenerating active carbon unit, and the condensate storage is arranged on the downside of condenser, condensation
Liquid collecting tank is connected by coating steel pipe with condenser；The centrifugal blower is arranged on the upside of condenser, gas sampling Guan Lian
Connect gas outlet and the mixing chamber of centrifugal blower；The air centrifugal blower is arranged on the downside of exhaust gas treatment unit, with mixing chamber
Connected by coating steel pipe, the mixing chamber is arranged on the right side of condenser, and combustion chamber is arranged at the right side of mixing chamber, mixing chamber
It is connected by deflector with the combustion chamber on right side, the igniter is arranged in combustion chamber, and the second gas skirt is fixed on combustion
On the inside of the bottom right for burning chamber interior；
The exhaust unit includes discharge, heat exchanger, centrifugal blower, blast pipe, and discharge connects the second gas skirt and heat exchange
Device, the heat exchanger are arranged on the right side of exhaust gas treatment unit, and centrifugal blower is fixed on the right side of heat exchanger, connects going out for heat exchanger
Mouthful and blast pipe, the blast pipe be fixed on the gas outlet of centrifugal blower, the gas outlet of blast pipe one end and centrifugal blower connects,
The other end leads to outdoor.
The combustion chamber is provided with spark arrester and heat-preservation cotton, while sets temperature sensor, and temperature sensor passes through
4-20mA signal output.
The activated carbon fixed bin is three layers of activated carbon fixed bin, and activated carbon fixed bin is detachable to be fixedly installed on activity
In charcoal regeneration unit.
The activated carbon fixed bin is formed by front side board, back side panel, bottom plate and the plate-side plate welding of both sides, front side board, after
Side plate, bottom plate are 304 stainless steel plates, and the side plate of both sides is 304 stainless steel web plates.
It is a kind of be used for adsorb organic exhaust gas activated carbon regenerating unit to adsorb organic exhaust gas regenerating active carbon side
Method：
Step 1）, the activated carbon of adsorption saturation is positioned in the activated carbon fixed bin in regenerating active carbon unit, start steam
Stripping machine, aperture of the steam stripping machine through being evenly arranged on coating steel pipe and coating steel pipe blast into regenerating active carbon unit
100 ~ 200 DEG C of steam, the waste gas in the activated carbon of adsorption saturation is gradually desorbed from saturated activity charcoal to be come out, now, waste gas
In contain a large amount of water vapours；
Step 2）, be connected through coating steel pipe with regenerating active carbon unit using drying air fan, drying air fan, by regenerating active carbon list
Processing is dried in activated carbon fixed bin in member, completes the regeneration of activated carbon；
Step 3）, through step 1）The waste gas for being desorbed out in saturated activity charcoal is with air-flow by the first gas skirt, waste gas discharge
Into in condenser, the water recovery in waste gas is aqueous water, and the aqueous water condensed in waste gas is flowed into condensate storage,
Non-condensing waste gas is extracted out and entered through gas sampling pipe in mixing chamber by centrifugal blower, while air centrifugal blower is to mixing chamber
Inside blast fresh air；
Step 4）, waste gas non-condensing in mixing chamber enter after being mixed with fresh air by deflector in combustion chamber, utilize
Igniter lights waste gas, off-gas oxidizing reaction is generated harmless carbon dioxide and water, reaches the purpose of purification；
Step 5）, the carbon dioxide that generates after burning enter heat exchanger through the second gas skirt, discharge and carry out waste heat recovery,
The waste heat being recovered to first is used for producing water vapour, finally enters outside atmosphere through centrifugal blower and emission by exhaust pipe again.
Rational in infrastructure, easy to use, the advanced science of method of the invention, by the present invention, one kind is used to adsorb organic exhaust gas
Activated carbon regenerating unit, it is mainly characterized by is followed successively by regenerating active carbon unit, exhaust-gas treatment list from left to right
Member, exhaust unit, regenerating active carbon unit connection exhaust gas treatment unit, exhaust gas treatment unit connection exhaust unit.
The regenerating active carbon unit includes drying air fan, steam stripping machine, activated carbon fixed bin, the first gas skirt.Institute
State drying air fan to be fixed on the outside of the lower-left of regenerating active carbon unit, be connected with regenerating active carbon unit by coating steel pipe,
The steam stripping machine is fixed on the outside of the bottom right of regenerating active carbon unit, is connected with regenerating active carbon unit by coating steel pipe
Connecing, uniform aperture is provided with above the tube wall of coating steel pipe, the activated carbon fixed bin is fixed in regenerating active carbon unit, point
Three layers, detachably, first gas skirt is fixed on the top of regenerating active carbon unit.
The exhaust gas treatment unit includes waste gas discharge, condenser, condensate storage, centrifugal blower, gas sampling
Pipe, air centrifugal blower, mixing chamber, combustion chamber, igniter, the second gas skirt.The waste gas discharge connects the first gas collection
Cover and condenser, the condenser are arranged on the right side of regenerating active carbon unit, and the condensate storage is arranged under condenser
Side, it is connected by coating steel pipe with condenser, the centrifugal blower is arranged on the upside of condenser, the gas sampling pipe connection
The gas outlet of centrifugal blower and mixing chamber, the air centrifugal blower are arranged on the downside of exhaust gas treatment unit, led to mixing chamber
Coating steel pipe connection is crossed, the mixing chamber is arranged on the right side of condenser, is connected by deflector with the combustion chamber on right side, institute
State combustion chamber and be provided with spark arrester and heat-preservation cotton, while temperature sensor is set, it is described by 4-20mA signal output
Igniter is arranged on the inside of the bottom right of combustion chamber, and second gas skirt is fixed on the right side of combustion chamber.
The exhaust unit includes discharge, heat exchanger, centrifugal blower, blast pipe.The discharge is connected to gas skirt
And heat exchanger, the heat exchanger are arranged on the right side of exhaust gas treatment unit, the centrifugal blower is fixed on the right side of heat exchanger, connection
Heat exchanger and blast pipe, the blast pipe are fixed on the gas outlet of centrifugal blower, lead to outdoor.
When advantages of the present invention and effect are the regeneration of saturated activity charcoal, using low-temperature heat method of reproduction, with 100 ~ 200 DEG C
Steam stripping regenerate charcoal, avoid influence of the conventional high-temperature thermal regeneration method to activated carbon substrate.Caused by regenerative process
Toxic and harmful gas is handled using direct combustion method, while the regeneration of saturated activity charcoal is ensured, is avoided to environment
Secondary pollution.
The present invention has the characteristics that rational in infrastructure, easy to use, treatment effeciency is high, non-secondary pollution, the advanced science of method,
Thus, have good value for applications.
Brief description of the drawings
Fig. 1 is principle schematic diagram of the present invention.
Fig. 2 is principle schematic diagram of the present invention.
In figure：1 regenerating active carbon unit, 2 exhaust gas treatment units, 3 exhaust units, 4 drying air fans, 5 steam stripping machines, 6
Activated carbon fixed bin, 7 first gas skirts, 8 waste gas discharges, 9 condensers, 10 condensate storages, 11 centrifugal blowers, 12 waste gas
Collecting pipe, 13 air centrifugal blowers, 14 mixing chambers, 15 combustion chambers, 16 igniters, 17 second gas skirts, 18 discharges, 19 are changed
Hot device, 20 centrifugal blowers, 21 blast pipes.
Embodiment
The present invention technical thought be：The present invention provide it is a kind of be used for adsorb organic exhaust gas activated carbon regenerating unit and
Its method.Under 100 ~ 200 DEG C of steam stripping effect, the organic exhaust gas of saturated activity charcoal absorption is desorbed out, is desorbed out
Waste gas enters condenser with air-flow, and water recovery, non-condensing waste gas is then evacuated in combustion furnace, while is started drying air fan and entered
One step dries immunorestorative activity charcoal.Organic exhaust gas is oxidized reaction in combustion chamber and is converted into harmless carbon dioxide and water, reacts
Gas afterwards carries out waste heat recovery by heat exchanger, and the heat of recovery is used for producing water vapour, is finally discharged into greatly by blower fan
In gas.
The present invention is specifically described below：
As shown in figure 1, the present invention is made up of regenerating active carbon unit 1, exhaust gas treatment unit 2 and exhaust unit 3 etc..Activated carbon is again
Raw unit 1 is located between the two in a left side, exhaust unit 3 in the right side, exhaust gas treatment unit 2.
Described regenerating active carbon unit 1 is by drying air fan 4, steam stripping machine 5, the gas collection of activated carbon fixed bin 6 and first
The composition of cover 7.Drying air fan 4 is fixed on the outside of the lower-left of regenerating active carbon unit 1, passes through galvanized steel with regenerating active carbon unit 1
Pipe is connected.Steam stripping machine 5 is fixed on the outside of the bottom right of regenerating active carbon unit 1, with regenerating active carbon unit 1 by zinc-plated
Steel pipe is connected, and the upside tube wall for stretching in the coating steel pipe in regenerating active carbon unit 1 is provided with uniform aperture.Activated carbon is fixed
The material of box 6 is 304 stainless steels, and front side, rear side, bottom are 304 stainless steel plates, and both sides are 304 stainless steel web plates, and totally 5 faces are welded
Form.Gas skirt 7 is fixed on the inside top of regenerating active carbon unit 1.
Described exhaust gas treatment unit 2 is by waste gas discharge 8, condenser 9, condensate storage 10, centrifugal blower 11, useless
Gas collecting pipe 12, air centrifugal blower 13, mixing chamber 14, combustion chamber 15, the gas skirt 17 of igniter 16 and second form.Waste gas
Discharge 8 is coating steel pipe, collects the waste gas that the activated carbon in regenerating active carbon unit 1 is desorbed out, connects gas skirt 7 and condensation
Device 9.Condenser 9 is arranged on the right side of regenerating active carbon list 1, and the waste gas containing a large amount of water vapours that activated carbon is desorbed out is through exhaust gas centralized
Tracheae 8 enters from the left side of condenser 9, and the liquid condensed in waste gas is flowed into condensate storage 10, non-condensing waste gas by from
Heart blower fan 11 is evacuated in mixing chamber 14.Condensate storage 10 is arranged on the downside of condenser 9, is connected by coating steel pipe.From
Heart blower fan 11 is arranged on the upside of condenser, and non-condensing waste gas is evacuated in mixing chamber 14.Gas sampling pipe 12 is galvanized steel
Pipe, connect gas outlet and the mixing chamber 14 of centrifugal blower 11.Air centrifugal blower 13 is arranged on the downside of exhaust gas treatment unit, will
Fresh air is delivered to mixing chamber 14 and mixed with waste gas.Mixing chamber 14 is arranged on the right side of condenser 9, passes through deflector and right side
Combustion chamber 15 is connected, and makes waste gas evenly into combustion chamber 15.Combustion chamber 15 is arranged on the right side of mixing chamber 14, and inside is set
There are spark arrester and heat-preservation cotton, ensure the safety of equipment, prevent heat losses.Temperature sensor is set simultaneously, passes through 4-20mA's
Signal output.Igniter 16 is arranged on the lower right inside combustion chamber 15, for lighting waste gas.Second gas skirt 17 is arranged on
The right side of combustion chamber.
Described exhaust unit 3 is made up of discharge 18, heat exchanger 19, centrifugal blower 20 and blast pipe 21.Discharge 18
For coating steel pipe, gas skirt 17 and heat exchanger 19 are connected.Heat exchanger 19 is arranged on the right side of exhaust gas treatment unit 2, carries out waste heat
Recovery, the heat of recovery are used for producing water vapour.Centrifugal blower 20 is fixed on the right side of heat exchanger 19, connects heat exchanger 19 and exhaust
Pipe 21.Blast pipe 21 is coating steel pipe, is fixed on the gas outlet of centrifugal blower 20, leads to outdoor.
Application process brief description of the present invention：
The activated carbon of adsorption saturation is positioned in activated carbon fixed bin 6, starts steam stripping machine 5, blasts 100 ~ 200 DEG C of steaming
Vapour, waste gas are gradually desorbed from saturated activity charcoal and come out.Destruction of the high-temperature heating method of reproduction to activated carbon substrate is avoided, significantly
Degree retains and the absorption property of activity recovery charcoal.Enter with air-flow by waste gas discharge 8 in condenser 9, water recovery is
Aqueous water, flow into condensate storage 10.Non-condensing waste gas is evacuated in mixing chamber 14 by centrifugal blower 11, at the same air from
Heart blower fan 13 blasts fresh air into mixing chamber 14.Enter after gas mixing by deflector in combustion chamber 15, utilize igniting
Device 16 lights waste gas, off-gas oxidizing reaction is generated harmless carbon dioxide and water, reaches the purpose of purification.Direct combustion method
Equipment is simple, and investment is low, and voc_s removal rate is high, up to more than 99%.Then temperature enters in 800 DEG C or so of gas
Heat exchanger 19 carries out waste heat recovery, and the waste heat part being recovered to is used for producing water vapour, greatlys save the energy.Finally flow through
Centrifugal blower 20 and blast pipe 21 are discharged into air.
Claims (5)
- A kind of 1. regenerating unit for being used to adsorb the activated carbon of organic exhaust gas, it is characterised in that：Activated carbon is followed successively by from left to right Regeneration unit（1）, exhaust gas treatment unit（2）, exhaust unit（3）, regenerating active carbon unit（1）, exhaust gas treatment unit（2）, row Gas unit（3）Through connection successively；The regenerating active carbon unit（1）Including activated carbon fixed bin（6）, the first gas skirt（7）, activated carbon fixed bin（6）If It is placed in regenerating active carbon unit（1）It is interior, the first gas skirt（7）It is fixed on regenerating active carbon unit（1）Top；The activated carbon Regeneration unit（1）Lower-left on the outside of be fixed with drying air fan（4）, drying air fan（4）With regenerating active carbon unit（1）By zinc-plated Steel pipe is connected；Regenerating active carbon unit（1）Bottom right on the outside of be fixed with steam stripping machine（5）, steam stripping machine（5）With activity Charcoal regeneration unit（1）It is connected by coating steel pipe, coating steel pipe stretches in regenerating active carbon unit（1）It is interior, and stretch in activated carbon Regeneration unit（1）The upside tube wall of interior coating steel pipe is provided with some apertures being evenly arranged；The exhaust gas treatment unit（2）Including waste gas discharge（8）, condenser（9）, condensate storage（10）, centrifugal blower （11）, gas sampling pipe（12）, air centrifugal blower（13）, mixing chamber（14）, combustion chamber（15）, igniter（16）, second Gas skirt（17）；The waste gas discharge（8）Connect the first gas skirt（7）And condenser（9）, the condenser（9）It is arranged on Regenerating active carbon unit（1）Right side, the condensate storage（10）It is arranged on condenser（9）Downside, condensate storage （10）Pass through coating steel pipe and condenser（9）Connection；The centrifugal blower（11）It is arranged on condenser（9）Upside, waste gas receive Collector（12）Connect centrifugal blower（11）Gas outlet and mixing chamber（14）；The air centrifugal blower（13）It is arranged at waste gas Manage unit（2）Downside, with mixing chamber（14）Connected by coating steel pipe, the mixing chamber（14）It is arranged on condenser（9）'s Right side, combustion chamber（15）It is arranged at mixing chamber（14）Right side, mixing chamber（14）Pass through deflector and the combustion chamber on right side（15） It is connected, the igniter（16）It is arranged on combustion chamber（15）On the inside of internal bottom right, the second gas skirt（17）It is fixed on combustion Burn room（15）Right side；The exhaust unit（3）Including discharge（18）, heat exchanger（19）, centrifugal blower（20）, blast pipe（21）, discharge （18）Connect the second gas skirt（17）And heat exchanger（19）, the heat exchanger（19）It is arranged on exhaust gas treatment unit（2）Right side, Centrifugal blower（20）It is fixed on heat exchanger（19）Right side, connect heat exchanger（19）Outlet and blast pipe（21）, the blast pipe （21）It is fixed on centrifugal blower（20）Gas outlet, blast pipe（21）One end and centrifugal blower（20）Gas outlet connection, it is another Outdoor is led at end.
- A kind of 2. regenerating unit for being used to adsorb the activated carbon of organic exhaust gas according to claim 1, it is characterised in that：Institute State combustion chamber（15）Spark arrester and heat-preservation cotton are internally provided with, while temperature sensor is set, temperature sensor passes through 4-20mA Signal output.
- A kind of 3. regenerating unit for being used to adsorb the activated carbon of organic exhaust gas according to claim 1, it is characterised in that：Institute State activated carbon fixed bin（6）For three layers of activated carbon fixed bin, activated carbon fixed bin（6）It is detachable to be fixedly installed on activated carbon again Raw unit（1）It is interior.
- A kind of 4. regenerating unit for being used to adsorb the activated carbon of organic exhaust gas according to claim 1, it is characterised in that：Institute State activated carbon fixed bin（6）Formed by front side board, back side panel, bottom plate and the plate-side plate welding of both sides, front side board, back side panel, bottom Portion's plate is 304 stainless steel plates, and the side plate of both sides is 304 stainless steel web plates.
- 5. a kind of regenerating unit for being used to adsorb the activated carbon of organic exhaust gas is to absorption according to claim 1-4 any one The method of the regenerating active carbon of organic exhaust gas：Step 1）, the activated carbon of adsorption saturation is positioned over regenerating active carbon unit（1）In activated carbon fixed bin（6）It is interior, open Dynamic steam stripping machine（5）, steam stripping machine（5）Aperture through being evenly arranged on coating steel pipe and coating steel pipe to activated carbon again Raw unit（1）Inside blast 100 ~ 200 DEG C of steam, the waste gas in the activated carbon of adsorption saturation is gradually desorbed from saturated activity charcoal Out, now, a large amount of water vapours are contained in waste gas；Step 2）, use drying air fan（4）, drying air fan（4）Through coating steel pipe and regenerating active carbon unit（1）Connection, by work Property charcoal regeneration unit（1）Interior activated carbon fixed bin（6）Processing is dried, completes the regeneration of activated carbon；Step 3）, through step 1）The waste gas for being desorbed out in saturated activity charcoal passes through the first gas skirt with air-flow（7）, waste gas gas collection Pipe（8）Into condenser（9）In, the water recovery in waste gas is aqueous water, and the aqueous water condensed in waste gas flows into condensate liquid Collecting tank（10）In, non-condensing waste gas is by centrifugal blower（11）Extract out and through gas sampling pipe（12）Into mixing chamber（14） It is interior, while air centrifugal blower（13）To mixing chamber（14）Inside blast fresh air；Step 4）, in mixing chamber（14）Interior non-condensing waste gas by deflector enters combustion chamber after being mixed with fresh air（15） In, utilize igniter（16）Waste gas is lighted, off-gas oxidizing reaction is generated harmless carbon dioxide and water, reaches the mesh of purification 's；Step 5）, the carbon dioxide that generates after burning is through the second gas skirt（17）, discharge（18）Into heat exchanger（19） Waste heat recovery is carried out, the waste heat being recovered to first is used for producing water vapour, finally again through centrifugal blower（20）And blast pipe（21）Row Put into outside atmosphere.
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| CN107983087A (en) * | 2017-12-31 | 2018-05-04 | 江苏永益环保科技有限公司 | Ink prints exhaust treatment system |
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| CN108479704A (en) * | 2018-04-18 | 2018-09-04 | 江门市新会区亚邦化工有限公司 | A kind of activated carbon recovery method |
| CN108607532A (en) * | 2018-04-04 | 2018-10-02 | 王惠勇 | Activated carbon adsorption regenerator and the exhaust-gas treatment line for being equipped with adsorbing regenerator |
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| CN111389386A (en) * | 2020-04-22 | 2020-07-10 | 湖北君集水处理有限公司 | Automatic ash removal device for tail gas discharge pipeline of powdered activated carbon regeneration equipment |
| CN111946427A (en) * | 2020-08-12 | 2020-11-17 | 江苏金泰诺科技有限公司 | Regeneration control system and regeneration control method of organic waste gas adsorption device |
| CN112090420A (en) * | 2020-09-07 | 2020-12-18 | 福泉环保城发展有限公司 | Active carbon desorption recovery method |
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