CN105771537A - Method and device for dispersedly adsorbing and concentratedly desorbing organic waste gas - Google Patents
Method and device for dispersedly adsorbing and concentratedly desorbing organic waste gas Download PDFInfo
- Publication number
- CN105771537A CN105771537A CN201610201664.3A CN201610201664A CN105771537A CN 105771537 A CN105771537 A CN 105771537A CN 201610201664 A CN201610201664 A CN 201610201664A CN 105771537 A CN105771537 A CN 105771537A
- Authority
- CN
- China
- Prior art keywords
- desorption
- adsorber
- adsorption
- scattered
- exhaust gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- 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
- B01D2259/4009—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
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)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a method and a device for dispersedly adsorbing and concentratedly desorbing organic waste gas. The device comprises a dispersed adsorbing device and a centralized desorbing device, wherein the dispersed adsorbing device comprises a dust filter and an adsorber, which are connected by a pipeline, and a detector and a temperature sensor are arranged on the adsorber; the centralized desorbing device comprises an adsorption system, a condenser and a refining purification system, which are connected sequentially. Organic waste gas is dedusted by the dust filter disposed on a waste gas vent in each enterprise, and then the dedusted waste gas enters the adsorber and is subjected to adsorption treatment; the adsorber or an adsorbing material in the adsorber are transported to a centralized desorbing center to be desorbed after adsorption saturation, an adsorbed organic solvent after adsorbing treatment flows into the refining purification system to be further purified and recycled. Waste gas treated by the method satisfies the environment protection emission standard and the organic solvent is recycled, therefore, resources are saved.
Description
Technical field
The invention belongs to technical field of waste gas treatment, relate to a kind of scattered adsorption and concentrate organic waste gas treatment method and the device thereof of desorption.
Background technology
Along with industrialization, the quickly propelling of urbanization, industrial undertaking presents and significantly gathers situation, and all types of industries garden and Industrial Concentrated Area have become as the important engine of China's socio-economic development.Meanwhile, some industrial park blind expansions, extensive development, cause environmental pollution serious, environmental risk hidden danger highlights.
VOCs is volatile organic matter, has that saturated vapor pressure is higher, boiling point is low, molecular weight is low, a feature such as volatile, inflammable and explosive under room temperature shape.VOCs discharge is the one of the main reasons of depletion of the ozone layer and Air haze.China's VOCs discharge capacity respectively reaches 11,110,000 tons, 13,120,000 tons, 15,630,000 tons and 23,200,000 tons in nineteen ninety, nineteen ninety-five, 2000 and 2006, and discharge capacity is in ascendant trend year by year.
In the enterprise production process of industrial park, there is the discharge of a large amount of VOCs.In recent years, environmental protection is increasingly paid attention to by country and society, require that end treatment all must be strengthened the input of environmental protection by each enterprise in industrial park, the waste gas of discharge is administered, but administers required environmental protection equipment and supporting steam, electricity, recirculated water etc., increase the cost of enterprise, and some industrial park, due to preconsolidation stress and government's management and control, some supporting engineerings of enterprise's exhaust-gas treatment are difficult to.Chinese invention patent (publication number 105344204A, publication date 2016-02-24) disclose a kind of scattered adsorption and concentrate the method for desorption waste organic solvent gas and desorption system, the method reduces the input of equipment, reduce production cost, but there is substantial amounts of dust when discharge in organic exhaust gas, directly adsorb without dust removal process and the absorption of adsorber and regeneration effect can be produced impact, and do not recycle after desorption process, waste substantial amounts of organic resource.
Summary of the invention
In order to solve problem above, it is an object of the invention to provide a kind of scattered adsorption, the organic waste gas treatment method of concentration desorption and device, the method and device thereof meet standard and the recycling organic solvent of environment protection emission, economize on resources.
For achieving the above object, the technical solution used in the present invention:
A kind of scattered adsorption concentrates the organic waste gas treatment device of desorption, including scattered adsorption device and concentration desorption apparatus, scattered adsorption device includes dust filter unit, adsorber, dust filter unit is connected by pipeline with adsorber, adsorber is provided with VOCs detector, carbon monoxide detector, temperature sensor, and wherein temperature sensor is configured with Real time displaying device；Desorption apparatus is concentrated to include the adsorption system being sequentially connected with, condenser, refining purification system, wherein adsorption system is that described adsorber is overall or adsorbing material block in described adsorber, described adsorption system is connected by blower fan with condenser, and the solvent outlet of described refining purification system is connected to the flux bath collecting solvent.
Preferably, film dehydration device it is connected between solvent outlet and the flux bath of described refining purification system.
Preferably, described dust filter unit is sack cleaner.
Preferably, described adsorber is absorbent charcoal adsorption tank.
A kind of scattered adsorption concentrates the organic waste gas treatment method of desorption, comprises the following steps:
(1) organic exhaust gas is carried out dust removal process by the dust filter unit passing through to be arranged on Waste gas outlet, and then the waste gas after dedusting enters adsorber, carries out adsorption treatment；
(2) adsorber absorption saturated after, adsorbing material block in adsorber or adsorber is transported to concentration desorption processing center, carry out desorption process, the solvent that desorption is gone out after processing by desorption flows into refining purification system, carry out purifying recycling, re-use the solvent purified after reclaiming inflow flux bath stores and be transported to enterprise.
Desorption in described step (2) processes as at least one in steam desorption, vacuum desorption, nitrogen desorption, hot inert gas desorption.
Preferably, the desorption in described step (2) processes the desorption mode combined for steam desorption with nitrogen desorption.
Preferably, the organic solvent after purification processes is carried out processed through film dehydration device by described step (2).
Above-mentioned a kind of scattered adsorption concentrates the organic waste gas treatment method of desorption, it is realized with concentrating desorption apparatus by scattered adsorption device, described scattered adsorption device includes adsorber, adsorber is provided with detector and temperature sensor, described scattered adsorption device also includes the dust filter unit being connected with adsorber, described concentration desorption apparatus includes the adsorption system being sequentially connected with, condenser, refining purification system, wherein adsorption system is connected by blower fan with condenser, and the solvent outlet of described refining purification system is connected to the flux bath collecting solvent.
The invention has the beneficial effects as follows: both solvent-recoverables, economize on resources, significantly reduce again the pollution to bad border, significantly reduce the garden enterprise overall input to environmental protection equipment, focus on, decrease human input and operating cost that each enterprise individual processing is brought.
Accompanying drawing illustrates:
Fig. 1 is scattered adsorption device schematic diagram；
Fig. 2 is for concentrating desorption apparatus schematic diagram.
Wherein: 1-Waste gas outlet, 2-dust filter unit, 3-adsorber, 4-VOCs detector, 5-CO detector, 6-temperature sensor, 7,14-blower fan, 8-condenser, 9-refines purification system, 10-film dehydration device, 11-dewatering membrane, 12-flux bath, 13-adsorption system.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
As it is shown in figure 1, a kind of scattered adsorption device of the present invention, including sack cleaner 2, absorbent charcoal adsorption tank 3, absorbent charcoal adsorption tank 3 is provided with takes Formula V OCs detector 4, carbon monoxide detector 5, temperature sensor 6.Sack cleaner 2 is arranged on the Waste gas outlet 1 of certain enterprise, and waste gas is carried out dust removal process, in case dust enters adsorption tanks, affects adsorption effect and the regeneration effect of adsorption tanks.
As in figure 2 it is shown, a kind of concentration desorption apparatus of the present invention, including the absorbent charcoal adsorption tank 13 that the absorption being sequentially connected with is saturated, blower fan 14, condenser 8, refining purification system 9, film dehydration device 10, flux bath 12.Absorbent charcoal adsorption tank 13 is provided with temperature sensor 6, and temperature sensor 6 is detachable flange arrangement, and is configured with Real time displaying device.It is provided with layering groove, oil reservoir groove, water layer groove in refining purification system 9.It is provided with dewatering membrane 11 in film dehydration device 10, removes the moisture in organic solvent.
Again, such as Fig. 1, shown in 2, the processing method of a kind of scattered adsorption of the present invention concentration desorption organic exhaust gas is as follows:
Organic exhaust gas is carried out dust removal process by being arranged on the sack cleaner 2 of Waste gas outlet 1 by each enterprise, after dust removal process, waste gas enters in absorbent charcoal adsorption tank 3 under the effect of blower fan 7, the organic volatile compound in activated carbon adsorption waste gas in adsorption tanks, and CO (carbon monoxide converter) gas.The gas outlet of absorbent charcoal adsorption tank 3 is provided with portable V OCs detector and carbon monoxide detector, after absorbent charcoal adsorption tank absorption is saturated, VOCs detector and carbon monoxide detector can detect that the concentration of organic volatile compound and CO gas discharging raises, at this moment the switch of Waste gas outlet is closed, fan switch, closes absorbent charcoal adsorption tank gas outlet valve.Absorbent charcoal adsorption tank 3 is taken off, early stage absorbent charcoal adsorption tank after desorption and regeneration is replaced the absorbent charcoal adsorption tank that absorption is saturated, opens the switch of Waste gas outlet, fan switch, and absorbent charcoal adsorption tank gas outlet valve, the waste gas continuing enterprise is produced carries out adsorption treatment.Then in the absorption saturated activity charcoal adsorption tanks 3 taken off, pass into nitrogen, be sealed into QI KOU, be transported to concentration desorption processing center by transport vehicle.
After adsorbing saturated absorbent charcoal adsorption tank 13 arrival concentration desorption processing center, the import of the solvent outlet of adsorption tanks with blower fan 14 is connected by quick union, adsorption tanks 13 steam inlet valve is opened, in adsorption tanks 13, pass into steam carry out desorption process, in adsorption tanks, desorption organic solvent out is condensed by condenser 8 with the mixture of water, when the outlet no longer trickle of condenser 8, raise the temperature in adsorption tanks 13, after temperature sensor displays temperature is 170 DEG C, in adsorption tanks 13, pass into nitrogen carry out further desorption dried, adopt the desorption mode that steam desorption combines with nitrogen desorption can improve desorption effect and with low cost.The layering groove obtained after condenser 8 condensation process in the mixing refining purification system 9 of liquid entrance carries out layered shaping, the oil reservoir on layering groove upper strata enters oil reservoir groove, the water of lower floor enters water layer groove, solvent in oil reservoir groove enters film dehydration device 10, dewatering membrane 11 in film dehydration device removes a small amount of moisture in solvent, solvent after processed flows into and carries out in flux bath 12 storing and transporting enterprise back, for enterprise's recycling.
Claims (9)
1. the process device of a scattered adsorption concentration desorption organic exhaust gas, including scattered adsorption device and concentration desorption apparatus, described scattered adsorption device includes adsorber (3), adsorber is provided with detector (4, 5) with temperature sensor (6), it is characterized in that: described scattered adsorption device also includes the dust filter unit (2) being connected with adsorber, described concentration desorption apparatus includes the adsorption system (13) being sequentially connected with, condenser (8), refining purification system (9), wherein adsorption system (13) is connected by blower fan (14) with condenser (8), the solvent outlet of described refining purification system is connected to the flux bath (12) collecting solvent.
2. a kind of scattered adsorption according to claim 1 concentrates the process device of desorption organic exhaust gas, it is characterised in that: it is connected to film dehydration device (10) between solvent outlet and the flux bath (12) of described refining purification system.
3. a kind of scattered adsorption according to claim 1 concentrates the process device of desorption organic exhaust gas, it is characterised in that: described detector is VOCs detector (4) and carbon monoxide detector (5).
4. a kind of scattered adsorption according to claim 1 concentrates the process device of desorption organic exhaust gas, it is characterised in that: described adsorption system (13) is the adsorbing material block in adsorber (3) or adsorber.
5. a kind of scattered adsorption according to claim 1 concentrates the process device of desorption organic exhaust gas, it is characterised in that: described dust filter unit (2) is sack cleaner, at least one in filter cartridge dust remover.
6. a kind of scattered adsorption according to claim 1 concentrates the process device of desorption organic exhaust gas, it is characterised in that: described adsorber (3) is absorbent charcoal adsorption tank.
7. scattered adsorption concentrates a processing method for desorption organic exhaust gas, comprises the following steps:
(1) organic exhaust gas is carried out dust removal process by the dust filter unit (2) passing through to be arranged on Waste gas outlet (1), and then the waste gas after dedusting enters adsorber (3), carries out adsorption treatment；
(2) adsorber (3) adsorb saturated after, adsorbing material block in adsorber (3) or adsorber is transported to concentration desorption processing center, carry out desorption process, the solvent that desorption is gone out after processing by desorption flows into refining purification system (9), carry out purifying recycling, re-use the solvent purified after reclaiming inflow flux bath (12) stores and is transported to enterprise.
8. a kind of scattered adsorption according to claim 7 concentrates the processing method of desorption organic exhaust gas, it is realized with concentrating desorption apparatus by scattered adsorption device, described scattered adsorption device includes adsorber (3), adsorber is provided with detector (4, 5) with temperature sensor (6), described scattered adsorption device also includes the dust filter unit (2) being connected with adsorber, described concentration desorption apparatus includes the adsorption system (13) being sequentially connected with, condenser (8), refining purification system (9), wherein adsorption system (13) is connected by blower fan (14) with condenser (8), the solvent outlet of described refining purification system is connected to the flux bath (12) collecting solvent.
9. a kind of scattered adsorption according to claim 7 concentrates the processing method of desorption organic exhaust gas, it is characterized in that: the solvent purified after reclaiming is carried out processed through film dehydration device (10) by described step (2), flow in flux bath (12) after processed；Desorption in described step (2) processes as at least one in steam desorption, vacuum desorption, nitrogen desorption, hot inert gas desorption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610201664.3A CN105771537A (en) | 2016-04-01 | 2016-04-01 | Method and device for dispersedly adsorbing and concentratedly desorbing organic waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610201664.3A CN105771537A (en) | 2016-04-01 | 2016-04-01 | Method and device for dispersedly adsorbing and concentratedly desorbing organic waste gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105771537A true CN105771537A (en) | 2016-07-20 |
Family
ID=56394571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610201664.3A Pending CN105771537A (en) | 2016-04-01 | 2016-04-01 | Method and device for dispersedly adsorbing and concentratedly desorbing organic waste gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105771537A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823682A (en) * | 2017-02-24 | 2017-06-13 | 吴燕华 | Decentralised adsorption, the waste gas cleaning system and purification method of concentrating desorption |
| CN109173539A (en) * | 2018-11-02 | 2019-01-11 | 成都芯飞环保智能设备有限公司 | Based on the pretreated paint spray booth exhaust treatment system of pulverized limestone circulation absorption |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203329576U (en) * | 2013-07-24 | 2013-12-11 | 泉州市天龙环境工程有限公司 | Device for recycling organic solvents by means of nitrogen desorption |
| CN105344204A (en) * | 2015-11-02 | 2016-02-24 | 临安创亿机械设备有限公司 | Method for dispersive adsorption and centralized desorption of organic solvent exhaust gas and desorption system |
-
2016
- 2016-04-01 CN CN201610201664.3A patent/CN105771537A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203329576U (en) * | 2013-07-24 | 2013-12-11 | 泉州市天龙环境工程有限公司 | Device for recycling organic solvents by means of nitrogen desorption |
| CN105344204A (en) * | 2015-11-02 | 2016-02-24 | 临安创亿机械设备有限公司 | Method for dispersive adsorption and centralized desorption of organic solvent exhaust gas and desorption system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823682A (en) * | 2017-02-24 | 2017-06-13 | 吴燕华 | Decentralised adsorption, the waste gas cleaning system and purification method of concentrating desorption |
| CN109173539A (en) * | 2018-11-02 | 2019-01-11 | 成都芯飞环保智能设备有限公司 | Based on the pretreated paint spray booth exhaust treatment system of pulverized limestone circulation absorption |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207694543U (en) | A kind of activated carbon adsorption hot nitrogen desorption condensate recycling device | |
| CN108079740A (en) | A kind of large-wind-volume low-concentration organic exhaust gas processing unit and method | |
| CN105498446A (en) | Method for recycling organic matter through organic waste gas adsorption, steam desorption and fractional condensation | |
| CN103463932B (en) | Method and device for treating and recycling organic exhaust gas with low concentration and large air volume | |
| CN108144404A (en) | A kind of workshop tail gas purifying processing device and its technique | |
| CN103990351A (en) | Purification recovery device and technology for volatility organic waste gas | |
| CN203540289U (en) | Treating and recovering device of organic waste gas with low concentration and large air volume | |
| CN106268308A (en) | A kind of remove the cleaning system of VOC in industrial waste gas | |
| CN209451579U (en) | A kind of organic exhaust gas device handling Wind Volume | |
| CN201912867U (en) | Active carbon adsorbing and recovering device for organic waste gas | |
| CN104941340A (en) | Device and treatment method for treating organic waste gas | |
| CN107854930A (en) | A kind of waste gas processing method and processing system | |
| CN205164434U (en) | Activated carbon fiber sorption recovery device | |
| CN102019127A (en) | Recovery unit for absorbing organic waste gas by activated carbon | |
| CN206911127U (en) | Organic waste gas treatment device | |
| CN206587550U (en) | A kind of fabric forming machine emission-control equipment | |
| CN206064080U (en) | A kind of organic waste-gas purification reclaims integrated apparatus | |
| CN105498384B (en) | A kind of organic exhaust gas decentralised adsorption concentrates desorption recovery system and method | |
| CN105771537A (en) | Method and device for dispersedly adsorbing and concentratedly desorbing organic waste gas | |
| CN205586754U (en) | Industry organic waste gas purification device | |
| CN207996539U (en) | A kind of large-wind-volume low-concentration organic exhaust gas processing unit | |
| CN105381682A (en) | VOC waste gas purification and recycle system | |
| CN205796785U (en) | A kind of portable VOCs emergent treatment system | |
| CN102029100A (en) | Dry desorption process for activated carbon adsorption of organic waste gas | |
| CN205216509U (en) | High concentration organic waste gas recycling processed system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160720 |
|
| RJ01 | Rejection of invention patent application after publication |