CN209333523U - A kind of novel VOCs processing unit - Google Patents
A kind of novel VOCs processing unit Download PDFInfo
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- CN209333523U CN209333523U CN201821711521.8U CN201821711521U CN209333523U CN 209333523 U CN209333523 U CN 209333523U CN 201821711521 U CN201821711521 U CN 201821711521U CN 209333523 U CN209333523 U CN 209333523U
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Abstract
The utility model provides a kind of novel VOCs processing unit, one end of multiple demarcation plates is connected as a bit, VOC processing rotating wheel mechanisms that is separated into adsorption zone, cooling area and desorption area, tie point is overlapped with the axle center of VOC processing rotating wheel mechanisms that, and is covered in the rotation axis of VOC processing rotating wheel mechanisms that；Further include: multiple absorption pipelines and multiple desorption pipelines, state absorption pipeline be connected between the entrance of adsorption zone, two neighboring adsorption zone, adsorption zone and absorption blower between and absorption blower outlet, desorption pipeline be connected between the entrance of cooling area, the outlet of cooling area and the entrance of heater, by heater outlet desorption area entrance between, desorption area outlet and catalyst reaction device entrance between, catalyst reaction device outlet desorption blower entrance between and desorption blower outlet.The utility model is designed reasonably, structure is simple, good reliability, is easy to reequip in conventional rotor Formula V OCs processing system.
Description
Technical field
The utility model relates to a kind of VOCs processing unit, especially a kind of new and effective VOCs processing unit.
Background technique
With the development of the social economy, demand of the society to external coating industry is also increasing, VOCs gas at
For Air Pollutant Discharge.Current main VOCs Treatment process has: activated carbon adsorption, zeolite or molecular sieve runner.Active carbon
Adsorption structure is simple, and treatment effeciency is lower (80% or less generally), cannot handle flammable explosive gas；Zeolite or molecular sieve turn
Wheel can handle the VOCs gas of Wind Volume continuous work, and adsorption efficiency is high, and can be used for the processing of flammable explosive gas.With biography
When the runner system of system handles VOCs gas, since it only has single stage adsorption, the gas of high air quantity, low concentration is unable to fully
Play the adsorption capacity of adsorbing medium, it is difficult to realize ultralow VOCs emission request.And as environmental requirement is increasingly strict, how
Improve the urgent need that the adsorption efficiency that VOCs is discharged under Wind Volume, low concentration has become present society economic development.
Utility model content
The utility model proposes a kind of low concentration big flow VOCs on the basis of conventional rotor Formula V OCs processing system
The novel VOCs processing unit of multi-stage absorption discharges adsorption efficiency for low concentration, Wind Volume VOCs for solving existing equipment
Low problem.
The utility model adopts the following technical scheme to realize.
A kind of novel VOCs processing unit, comprising: VOC processing rotating wheel mechanisms that, desorption blower, heater, is urged at absorption blower
Change reaction unit and multiple demarcation plates；One end of multiple demarcation plates is connected as a bit, being integrally formed structure, and VOC processing is turned
Wheel mechanism is separated at least two adsorption zones, a cooling area and a desorption area, and the tie point and VOC of multiple demarcation plates are handled
The axle center of rotating wheel mechanisms that is overlapped, and is covered in the rotation axis of VOC processing rotating wheel mechanisms that；Further include: multiple absorption pipelines and multiple
Pipeline is desorbed, the absorption pipeline is connected between the entrance of adsorption zone, two neighboring adsorption zone, adsorption zone with adsorb wind
Between machine and absorption blower outlet, it is described desorption pipeline be connected to the entrance of cooling area, cooling area outlet with plus
Between the entrance of hot device, by between the outlet of heater and the entrance in desorption area, the outlet in desorption area and catalyst reaction device
Between entrance, catalyst reaction device outlet desorption blower entrance between and desorption blower outlet.
Preferably, the novel VOCs processing unit includes: VOC processing rotating wheel mechanisms that, absorption blower, desorption blower, adds
Hot device, catalyst reaction device, multiple demarcation plates include: 1# (meaning of # be number, same as below) demarcation plate, 2# demarcation plate, 3# points
Partition, 4# demarcation plate, 5# demarcation plate, one end connection of 1# demarcation plate, 2# demarcation plate, 3# demarcation plate, 4# demarcation plate, 5# demarcation plate
It is integrally formed together, tie point is overlapped with the axle center of VOC processing rotating wheel mechanisms that, and covers the rotation in VOC processing rotating wheel mechanisms that
On axis.Multiple absorption pipelines include: 1# absorption pipeline (23), 2# absorption pipeline (12), 3# absorption pipeline (20), 4# absorption pipeline
(15) and 5# absorption pipeline (13), 1# absorption pipeline one end are connected to the entrance of high concentration adsorption zone, and 2# adsorbs pipeline will be highly concentrated
The outlet of degree adsorption zone is connected together with the entrance of middle concentration adsorption zone, 3# absorption pipeline by the outlet of middle concentration adsorption zone and
The entrance of low concentration adsorption zone connects together, and 4# adsorbs pipeline and connects the outlet of low concentration adsorption zone and the entrance of absorption blower
It is connected to together, one end of the outlet and 5# absorption pipeline of adsorbing blower links together.Multiple desorption pipelines include: 1# desorption pipe
Pipeline is desorbed in road (24), 2# desorption pipeline (11), 3# desorption pipeline (9), 4# desorption pipeline (3), 5# desorption pipeline (26) and 6#
(2), one end that pipeline is desorbed in 1# is connected with the entrance of cooling area, and pipeline is desorbed by the entrance of the outlet of cooling area and heater in 2#
It connects together, 3# is desorbed pipeline and connects together the outlet of heater with the entrance in desorption area, and 4# is desorbed pipeline and will be desorbed
The outlet in area is connected together with the entrance of catalyst reaction device, and pipeline is desorbed by the outlet of catalyst reaction device and desorption wind in 5#
The entrance of machine connects together, and one end of outlet and 6# desorption pipeline that blower is desorbed links together.
The 1# demarcation plate, 2# demarcation plate, 3# demarcation plate, 4# demarcation plate, 5# demarcation plate separate VOC processing rotating wheel mechanisms that
At high concentration adsorption zone, middle concentration adsorption zone, low concentration adsorption zone totally 3 adsorption zones and 1 desorption area, 1 cooling area.
The desorption area, cooling area, low concentration adsorption zone, middle concentration adsorption zone, high concentration adsorption zone are arranged in sequence
Direction is consistent with the VOC processing rotation direction of rotating wheel mechanisms that, by the rotation direction of VOC processing rotating wheel mechanisms that, high concentration adsorption zone
It should be desorption area later, should be low concentration adsorption zone after cooling area.
Adsorbing medium in the VOC processing rotating wheel mechanisms that is rotated with runner, sequentially enters low concentration adsorption zone, middle concentration
When adsorption zone, high concentration adsorption zone, the airflow direction in adsorbing medium also successively commutates.
The adsorption zone is to be divided into multiple regions by concentration, is not limited only to 3, can be 2 or more than 3.
The utility model during the work time, VOCs discharge gas by VOC processing rotating wheel mechanisms that high concentration adsorption zone into
Enter runner to be adsorbed, when high concentration adsorption zone is discharged in gas, because having been subjected to primary adsorption, concentration has a degree of drop
It is low；After high concentration adsorption zone is discharged in gas, subsequently enters middle concentration adsorption zone and carry out secondary absorption, gas concentration further drops
It is low；Finally, gas, which enters low concentration adsorption zone, carries out afterbody absorption, it is discharged into atmospheric environment after through adsorbing blower.?
When low concentration adsorption zone carries out afterbody absorption, because front is adsorbed by two-stage, VOCs concentration is very low, but due to low dense
The adsorbing medium for spending adsorption zone is regenerated just through desorption area and cooling area, thus at this moment, although VOCs concentration is very low, low concentration absorption
Area can still guarantee preferable adsorption effect.In desorption process, fresh air initially enters cooling area, to just through desorption
Medium cool down, while fresh air is heated；Air from cooling area come out after, subsequently enter heater, further into
Row heating, to reach the temperature requirement of desorption；Air after the heating of heated device enters desorption area, to the medium of adsorption saturation into
Row heating desorption；The VOCs gas that desorption comes out enters catalyst reaction device with air and carries out catalysis burning, most afterwards through de-
Attached blower is discharged into atmosphere.
Compared with existing rotary-type VOCs gas treatment equipment, the utility model has the following beneficial effects:
The utility model substantially increases the adsorption efficiency of VOC processing rotating wheel mechanisms that by the way of multi-stage absorption, from
And meet the processing requirement of VOCs gas under Wind Volume, low consistency conditions.
The utility model structure is simple, is easily achieved.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of new and effective VOCs processing system of the utility model.
Wherein: 1, blower, 2,6# desorption pipeline, 3,4# desorption pipeline, 4,1# demarcation plate, 5, desorption area, 6,2# points are desorbed
Partition, 7, cooling area, 8,3# demarcation plate, 9,3# desorption pipeline, 10, heater, 11,2# desorption pipeline, 12,2# absorption pipeline,
13,5# absorption pipeline, 14, absorption blower, 15,4# absorption pipeline, 16, VOC processing rotating wheel mechanisms that, 17, low concentration adsorption zone,
18,4# demarcation plate, 19, middle concentration adsorption zone, 20,3# absorption pipeline, 21,5# demarcation plate, 22, high concentration adsorption zone, 23,1# suction
Attached pipeline, 24,1# desorption pipeline, 25, catalyst reaction device, 26,5# desorption pipeline.
Specific embodiment
It elaborates with reference to the accompanying drawing to the embodiments of the present invention, the present embodiment is with the utility model technical side
Premised on case, the detailed implementation method and specific operation process are given, but the protection scope of the utility model is not limited to down
The embodiment stated.
Embodiment
Present embodiments provide a kind of novel VOCs processing unit, comprising: VOC handles rotating wheel mechanisms that, absorption blower, desorption
Blower, heater, catalyst reaction device and multiple demarcation plates；One end of multiple demarcation plates is connected as a bit, being integrally formed structure,
And VOC processing rotating wheel mechanisms that is separated at least two adsorption zones, a cooling area and a desorption area, the company of multiple demarcation plates
Contact is overlapped with the axle center of VOC processing rotating wheel mechanisms that, and is covered in the rotation axis of VOC processing rotating wheel mechanisms that；Further include: multiple suctions
Attached pipeline and multiple desorption pipelines, the absorption pipeline are connected between the entrance of adsorption zone, two neighboring adsorption zone, inhale
Between the attached area and absorption blower and outlet of absorption blower, the desorption pipeline are connected to the entrance of cooling area, cooling
Between the outlet in area and the entrance of heater, by heater outlet desorption area entrance between, desorption area outlet with urge
Change reaction unit entrance between, catalyst reaction device outlet desorption blower entrance between and desorption blower go out
Mouthful.
With reference to the accompanying drawing, and with adsorption zone trizonal specific example is divided by concentration, further describe this reality
The technical solution provided by novel above-described embodiment.
As shown in Figure 1, the novel VOCs processing unit that this specific example provides, comprising: VOC handles rotating wheel mechanisms that 16, inhales
Attached blower 14, desorption blower 1, heater 10, catalyst reaction device 25,1# demarcation plate 4,2# demarcation plate 6,3# demarcation plate 8,4# points
Partition 18,5# demarcation plate 21,1# adsorb pipeline 23,2# absorption pipeline 12,3# absorption pipeline 20,4# absorption pipeline 15,5# absorption
Pipeline 13,1# desorption pipeline 24,2# desorption pipeline 11,3# desorption pipeline 9,4# desorption pipeline 3,5# desorption pipeline 26,6# desorption
Pipeline 2,1# demarcation plate 4,2# demarcation plate 6,3# demarcation plate 8,4# demarcation plate 18,5# demarcation plate 21 one end link together and become
One, tie point are overlapped with the axle center of VOC processing rotating wheel mechanisms that 16, and are covered in the rotation axis of VOC processing rotating wheel mechanisms that 16,1#
Absorption 23 one end of pipeline is connected to the entrance of high concentration adsorption zone 22,2# adsorb pipeline 12 by the outlet of high concentration adsorption zone 22 with
The entrance of middle concentration adsorption zone 19 connects together, and 3# adsorbs pipeline 20 and adsorbs the outlet of middle concentration adsorption zone 19 and low concentration
The entrance in area 17 connects together, and 4# adsorbs pipeline 15 and connect the outlet of low concentration adsorption zone 17 with the entrance of absorption blower 14
To together, the outlet of absorption blower 14 and one end of 5# absorption pipeline 13 link together, and one end and the drop of pipeline 24 is desorbed in 1#
The entrance of warm area 7 is connected, and 2# desorption pipeline 11 connects together the outlet of cooling area 7 with the entrance of heater 10,3# desorption
Pipeline 9 by heater 10 outlet with desorption area 5 entrance connect together, 4# be desorbed pipeline 3 by desorption area 5 outlet with urge
The entrance for changing reaction unit 25 connects together, and pipeline 26 is desorbed by the outlet of catalyst reaction device 25 and desorption blower 1 in 5#
Entrance connects together, and the outlet of desorption blower 1 and one end of 6# desorption pipeline 2 link together.1# demarcation plate 4,2# separate
Plate 6,3# demarcation plate 8,4# demarcation plate 18,5# demarcation plate 21 by VOC processing rotating wheel mechanisms that 16 be separated into high concentration adsorption zone 22,
Middle concentration adsorption zone 19, low concentration adsorption zone 17 totally 3 adsorption zones and 15,1, desorption area cooling area 7.Area 5, cooling is desorbed
Area 7, low concentration adsorption zone 17, middle concentration adsorption zone 19, high concentration adsorption zone 22 direction arranged in sequence and VOC handle runner
The rotation direction of mechanism 16 is consistent, by the rotation direction of VOC processing rotating wheel mechanisms that 16, should be desorption after high concentration adsorption zone 22
Area, cooling area 7 should be low concentration adsorption zone 17 later.Adsorbing medium in VOC processing rotating wheel mechanisms that 16 is rotated with runner, successively
When into low concentration adsorption zone 17, middle concentration adsorption zone 19, high concentration adsorption zone 22, the airflow direction in adsorbing medium is also successively
Commutation.Adsorption zone is to be divided into multiple regions by concentration, is not limited only to 3, can be 2 or more than 3.
Wherein, " # " indicates " number ".
During the work time, VOCs discharge gas is handled the high concentration adsorption zone of rotating wheel mechanisms that 16 by VOC to this specific example
22 are adsorbed into runner, and when high concentration adsorption zone 22 is discharged in gas, because having been subjected to primary adsorption, concentration has certain journey
The reduction of degree；After high concentration adsorption zone 22 is discharged in gas, subsequently enters middle concentration adsorption zone 19 and carry out secondary absorption, gas concentration
It further decreases；Finally, gas, which enters low concentration adsorption zone 17, carries out afterbody absorption, it is discharged into greatly after through adsorbing blower 14
In compression ring border.When low concentration adsorption zone 17 carries out afterbody absorption, because front is by two-stage absorption, VOCs concentration is very
It is low, since the adsorbing medium of low concentration adsorption zone 17 is regenerated just through desorption area 5 and cooling area 7, therefore at this moment, although VOCs is dense
Degree is very low, and low concentration adsorption zone 17 can still guarantee preferable adsorption effect.In desorption process, fresh air is initially entered
Cooling area 7 cools down to the medium just through desorption, while fresh air is heated；After air comes out from cooling area 7, connect
Enter heater 10, further progress heating, to reach the temperature requirement of desorption；Air after heated device 10 heats enters
Area 5 is desorbed, heating desorption is carried out to the medium of adsorption saturation；The VOCs gas that desorption comes out enters catalysis reaction with air
Device 25 carries out catalysis burning, is most discharged into atmosphere through blower 1 is desorbed afterwards.
As shown in Figure 1, the VOCs gas absorption pipeline that double-head arrow indicates along figure of production discharge flows in the direction of arrows,
VOCs gas initially enters high concentration adsorption zone 22, and in this region, the adsorbing medium in VOC processing rotating wheel mechanisms that 16 is had been subjected to
Low concentration adsorption zone 17 and middle concentration adsorption zone 19, but there is no adsorption saturations.At this moment, due to entering high concentration adsorption zone 22
VOCs gas concentration is higher, therefore can guarantee the adsorbing medium adsorption efficiency with higher in the region；VOCs gas is from highly concentrated
After spending the outflow of adsorption zone 22, middle concentration adsorption zone 19, low concentration adsorption zone 17 are then sequentially entered.Gas enters low concentration absorption
When area 17, due to adsorbing by two-stage, VOCs concentration is lower, and the adsorbing medium in this region is just through desorption, cooling
Process, therefore in the lower situation of VOCs concentration, it also can guarantee higher adsorption efficiency.For adsorbing medium, by being desorbed, dropping
Wen Hou is rotated with runner, successively passes through low concentration adsorption zone 17, middle concentration adsorption zone 19, high concentration adsorption zone 22, by difference
When region, the airflow direction in adsorbing medium also successively commutates, and this guarantees the adsorbing medium energy in VOC processing rotating wheel mechanisms that
It accesses and substantially effectively utilizes, to improve the adsorption efficiency of system.
For desorption process, as shown in Figure 1, the desorption air-flow desorption pipeline that single arrow indicates along figure flows in the direction of arrows
It is dynamic.Fresh air initially enters cooling area 7, cools down to the rigid high-temperature medium for completing desorption, while air themperature heat absorption rises
It is high.Then, heater 10 is entered when air and carries out further heat temperature raising, after reaching the air themperature that desorption requires, into de-
Attached area 5, is desorbed the adsorbing medium of adsorption saturation.The VOCs gas that desorption comes out enters catalysis reaction dress with air
It sets 25 and carries out catalysis burning, be most discharged in atmosphere through blower 1 is desorbed afterwards.
In this specific example, the high concentration in high concentration adsorption zone refers to: VOCs gas when flowing into the adsorption zone,
Concentration is relatively high compared with concentration when flowing through two, downstream adsorption zone (middle concentration adsorption zone and low concentration adsorption zone)；In
Middle concentration in concentration adsorption zone refers to: concentration of VOCs gas when by the adsorption zone, when with flowing through high concentration adsorption zone
Compared to lower, but with flow through that next adsorption zone (low concentration adsorption zone) phase is relatively high, and the VOCs gas that Gu Qisuo is flowed through is dense
Degree is comparably medium level with forward and backward adsorption zone (high concentration adsorption zone, low concentration adsorption zone)；It is low dense in low concentration adsorption zone
Degree refers to: VOCs gas flows through the concentration when adsorption zone, and (high concentration adsorption zone and middle concentration are inhaled with the first two adsorption zone is flowed through
Attached area) when concentration compare, it is relatively low.
Based on foregoing description, it is possible to understand that are as follows: high concentration adsorption zone is the first adsorption zone, and middle concentration adsorption zone is the second suction
Attached area, low concentration adsorption zone are third adsorption zone, wherein are flowed through in the first adsorption zone, the second adsorption zone and third adsorption zone
VOCs gas concentration successively reduce.
Therefore, the utility model can make full use of VOCs absorption to be situated between by measures such as multi-stage absorption, adsorption gas flow commutations
The adsorption capacity of matter improves the whole adsorption efficiency of system, to realize the height of the VOCs gas discharge to big flow, low concentration
Effect processing.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims,
This has no effect on the substantive content of the utility model.
Claims (4)
1. a kind of novel VOCs processing unit characterized by comprising VOC handle rotating wheel mechanisms that (16), absorption blower (14),
Blower (1), heater (10), catalyst reaction device (25) and multiple demarcation plates is desorbed；One end of multiple demarcation plates is connected as one
Point is integrally formed structure, and VOC processing rotating wheel mechanisms that (16) is separated at least two adsorption zones, a cooling area (7) and one
The tie point of a desorption area (5), multiple demarcation plates is overlapped with the axle center of VOC processing rotating wheel mechanisms that (16), and is covered and turned in VOC processing
In the rotation axis for taking turns mechanism (16)；Further include: multiple absorption pipelines and multiple desorption pipelines, the absorption pipeline are connected to
Between the entrance of adsorption zone, two neighboring adsorption zone, between the adsorption zone and absorption blower and outlet of absorption blower, it is described de-
Attached pipeline is connected between the entrance of cooling area (7), the outlet of cooling area (7) and the entrance of heater (10), will heat
Between the outlet of device (10) and the entrance that area (5) are desorbed, the entrance of the outlet of desorption area (5) and catalyst reaction device (25) it
Between, between the outlet of catalyst reaction device (25) and the entrance that blower (1) the is desorbed and outlet of desorption blower (1).
2. novel VOCs processing unit according to claim 1, which is characterized in that the multiple demarcation plate includes: 1# points
Partition (4), 2# demarcation plate (6), 3# demarcation plate (8), 4# demarcation plate (18) and 5# demarcation plate (21), the 1# demarcation plate (4), 2#
VOC processing rotating wheel mechanisms that (16) is separated into height by demarcation plate (6), 3# demarcation plate (8), 4# demarcation plate (18) and 5# demarcation plate (21)
Concentration adsorption zone (22), middle concentration adsorption zone (19), low concentration adsorption zone (17), cooling area (7) and desorption area (5)；Multiple suctions
Attached pipeline includes: that 1# absorption pipeline (23), 2# absorption pipeline (12), 3# absorption pipeline (20), 4# absorption pipeline (15) and 5# inhale
Attached pipeline (13), multiple desorption pipelines include: 1# desorption pipeline (24), 2# desorption pipeline (11), pipeline (9) are desorbed in 3#, 4# takes off
One end of attached pipeline (3), 5# desorption pipeline (26) and 6# desorption pipeline (2), 1# absorption pipeline (23) is connected to high concentration
The entrance of adsorption zone (22), the 2# adsorb pipeline (12) for the outlet of high concentration adsorption zone (22) and middle concentration adsorption zone (19)
Entrance connect together, 3# absorption pipeline (20) is by the outlet of middle concentration adsorption zone (19) and low concentration adsorption zone (17)
Entrance connect together, 4# absorption pipeline (15) by the outlet of low concentration adsorption zone (17) with adsorb entering for blower (14)
Mouth connects together, and the outlet of absorption blower (14) and one end of 5# absorption pipeline (13) link together, and the 1# is de-
One end of attached pipeline (24) is connected with the entrance of cooling area (7), and 2# desorption pipeline (11) is by the outlet of cooling area (7) and adds
The entrance of hot device (10) connects together, and pipeline (9) are desorbed by the entrance of the outlet of heater (10) and desorption area (5) in the 3#
It connects together, the entrance of outlet and catalyst reaction device (25) that area (5) are desorbed is connected to one by 4# desorption pipeline (3)
It rises, 5# desorption pipeline (26) connects together the outlet of catalyst reaction device (25) with the entrance of desorption blower (1), institute
One end of the outlet and 6# desorption pipeline (2) of stating desorption blower (1) links together.
3. novel VOCs processing unit according to claim 2, which is characterized in that the desorption area (5), cooling area (7),
Low concentration adsorption zone (17), middle concentration adsorption zone (19) and high concentration adsorption zone (22) direction arranged in sequence and VOC are handled
The rotation direction of rotating wheel mechanisms that (16) is consistent, that is, by the rotation direction of VOC processing rotating wheel mechanisms that (16), high concentration adsorption zone
(22) rear end is set as desorption area (5), and the rear end of cooling area (7) is set as low concentration adsorption zone (17).
4. novel VOCs processing unit according to claim 2, which is characterized in that the VOC handles rotating wheel mechanisms that (16)
In adsorbing medium rotated with runner, sequentially enter low concentration adsorption zone (17), middle concentration adsorption zone (19), high concentration adsorption zone
(22) when, the airflow direction in adsorbing medium also successively commutates.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821711521.8U CN209333523U (en) | 2018-10-22 | 2018-10-22 | A kind of novel VOCs processing unit |
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| CN201821711521.8U CN209333523U (en) | 2018-10-22 | 2018-10-22 | A kind of novel VOCs processing unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113797705A (en) * | 2021-08-13 | 2021-12-17 | 苏州兆和空调技术工程有限公司 | Gas concentration device, organic solvent recovery system and organic gas recovery and concentration method |
| WO2022142424A1 (en) * | 2020-12-30 | 2022-07-07 | 江苏苏净集团有限公司 | Voc treatment rotating-wheel system and voc treatment method |
-
2018
- 2018-10-22 CN CN201821711521.8U patent/CN209333523U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022142424A1 (en) * | 2020-12-30 | 2022-07-07 | 江苏苏净集团有限公司 | Voc treatment rotating-wheel system and voc treatment method |
| CN113797705A (en) * | 2021-08-13 | 2021-12-17 | 苏州兆和空调技术工程有限公司 | Gas concentration device, organic solvent recovery system and organic gas recovery and concentration method |
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