CN111482039A - Three-stage condensation system of VOCs purification treatment device - Google Patents
Three-stage condensation system of VOCs purification treatment device Download PDFInfo
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- CN111482039A CN111482039A CN201910087664.9A CN201910087664A CN111482039A CN 111482039 A CN111482039 A CN 111482039A CN 201910087664 A CN201910087664 A CN 201910087664A CN 111482039 A CN111482039 A CN 111482039A
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0033—Other features
- B01D5/0036—Multiple-effect condensation; Fractional condensation
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- 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
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Abstract
The invention discloses a three-stage condensation system of a VOCs purification treatment device, which belongs to the field of waste gas treatment in the coking industry and comprises a primary cooling system, a secondary intercooling system and a three-stage cryogenic system, wherein the secondary intercooling system is arranged above and communicated with the primary cooling system, a dispersion port is arranged below the primary cooling system, the secondary intercooling system and the three-stage cryogenic system respectively comprise a heat-insulating barrel and a refrigeration component connected with the heat-insulating barrel, and non-return collection structures are arranged in the primary cooling system, the secondary intercooling system and the three-stage cryogenic system. According to the invention, the purification treatment work of VOCs can be realized through the primary cooling system, the secondary cooling system and the tertiary deep cooling system, and the zero emission effect is realized; through the setting of structure is collected to the non return, can play and retrieve the chemical in each condensing system, reach the effect of categorised recovery.
Description
Technical Field
The invention relates to the field of waste gas treatment in the coking industry, in particular to a three-stage condensation system of a VOCs purification treatment device.
Background
With the rapid development of the steel industry, the coking industry has made great progress, but the environmental pollution is more and more serious. With the national policies of capacity and structure regulation, environmental protection is one of the hard indexes of the coking industry. The pollution problem of the waste gas of the coking industry is particularly prominent among various environmental protection problems of the coking industry.
The coking industrial waste gas is divided into inorganic waste gas and organic waste gas according to chemical properties. Inorganic exhaust gases include SO2, NOx, ammonia, H2S, and the like; organic waste gases (VOCs) are a general term for organic compounds with volatile properties, and mainly include aromatic compounds such as phenols, naphthalene, anthracene, and the like, and homologues thereof.
The sources of the coking industrial waste gas mainly focus on the process, the device, the raw materials and the products, and the analysis shows that the inorganic waste gas mainly comes from the coke oven flue gas, the coke oven gas, the ammonium sulfate device diffusion, the ammonia still device diffusion, the ammonia water storage tank diffusion and the like; the organic waste gas mainly comes from the diffused waste gas of various oil product storage tanks, organic volatile gas dissipated in the oil product loading process and the like.
The current market is still blank in the treatment of organic waste gases (VOCs), and no adaptive method or equipment is available, and the organic waste gases are still discharged into the atmosphere, thus causing environmental pollution.
Disclosure of Invention
The invention aims to provide a three-stage condensation system of a VOCs purification treatment device, which has the advantages of effectively treating organic waste gas (VOCs) and achieving zero emission.
The technical purpose of the invention is realized by the following technical scheme:
The utility model provides a VOCs purification unit's tertiary condensing system, includes that the one-level is just cold the system, sets up in the second grade of just cold system top and intercommunication in the one-level is just cold the system, sets up the tertiary cryrogenic system in cold system top and intercommunication in the second grade, the below of the one-level is just cold the system is equipped with the mouth that diffuses, all include the heat-preserving container in the one-level is just cold the system, the second grade is cold the system and the tertiary cryrogenic system, all be equipped with the non return in the system and collect the structure in the one-level is just cold the system, the second grade is cold the.
By adopting the technical scheme, VOCs enter a primary cooling system from a diffusing port, and gaseous naphthalene and anthracene are compressed and collected; continuing to rise noncondensable gases in the VOCs and introducing the noncondensable gases into a secondary intercooling system to collect water vapor; the noncondensable gas in the VOCs continuously rises and automatically rises into a three-stage cryogenic system, the benzene gas begins to be liquefied, and the phenol gas begins to be liquefied and collected; the substances collected by each condensing system can be recycled, and the non-return collecting structure can be used for blocking unknown substances collected by each refrigerating system, so that the mutual mixing of the chemical substances collected by condensation is reduced, and no method is available for treatment.
Further, the non return collection structure is including setting up at the collection crown plate of heat-preserving container bottom, setting up the baffle of keeping away from the heat-preserving container tip at the collection crown plate, setting up at the non return subassembly of collection crown plate top, set up the escape orifice with external intercommunication on the heat-preserving container lateral wall, the collection crown plate sets up with the heat-preserving container is coaxial, the bottom and the collection crown plate of escape orifice are contradicted.
Through adopting above-mentioned technical scheme, the chemical of condensation whereabouts falls under the effect of gravity, and the non return subassembly shelters from the chemical and guides on the collection crown plate, and the baffle also blocks the chemical on the collection crown plate simultaneously, has avoided the chemical to drop following one-level condensing system, and the chemical of collection crown plate is discharged to the equipment outside through the escape orifice, obtains effectual collection processing.
Furthermore, the collecting ring plate is arranged in an upward conical shape from the side wall of the heat-insulating barrel to the center of the heat-insulating barrel.
Through adopting above-mentioned technical scheme, the collection crown plate that the toper set up is favorable to the chemical to discharge to drain outlet department and flows, is favorable to improving each condensing system of chemical fast and stable discharge.
Further, the non return subassembly is including setting up a plurality of check plates, setting up at the drainage groove of check plate below, the drainage plate of connecting check plate and drainage groove of collection ring plate top and heat-preserving container lateral wall fixed connection, a plurality of the opening of check plate cover collection ring plate, the check plate sets up and the incline direction is the same with the drainage plate in the horizontal direction slope, and is adjacent there is the clearance between the check plate, the drainage groove sets up the one end of keeping away from the check plate at the drainage plate, drainage groove and drainage plate area of coverage are greater than the clearance, the drainage groove extends to and is located the one side that the heat-preserving container center was kept away from to the baffle above the collection ring plate.
Through adopting above-mentioned technical scheme, the chemical that the condensation got off drops on the check plate, along drainage plate landing to drainage groove, the chemical landing of drainage inslot to collecting the ring board, the effectual chemical that has realized the condensation and got off drops in the condensing system of following one-level, and the check plate that the slope set up does not influence in the VOCs yet and does not condense gas and circulate in to last one-level condensing system.
Further, the non return subassembly is including setting up the non return cap in collection ring board top, connecting the bracing piece of non return cap and collection ring board, the non return cap covers the opening of collection ring board, and extends to the collection ring board top and is located the one side that the heat-preserving container center was kept away from to the baffle.
Through adopting above-mentioned technical scheme, the chemical that the condensation got off falls on the non return cap, along non return cap landing to collection ring board, and the effectual chemical that has realized the condensation and got off falls in the condensing system of following one-level, and non-condensable gas circulates among the non return cap not influencing VOCs to last one-level condensing system yet.
Further, the refrigeration subassembly is located the top that the structure was collected to the non return, the refrigeration subassembly includes a plurality of refrigeration pieces of vertical setting in the heat-preserving container, the condenser pipe of being connected with the refrigeration piece, set up in the heat-preserving container outside and with the refrigerator of condenser pipe intercommunication.
Through adopting above-mentioned technical scheme, the refrigeration of refrigerator work is conducted the refrigeration piece on with low temperature through the condenser pipe, realizes condensing system's cooling condensation work at different levels, reaches to carry out subzero treatment to VOCs.
Further, the inner wall fixed connection of refrigeration piece heat-preserving container just covers the length direction of heat-preserving container, the length of refrigeration piece is less than the length of heat-preserving container, the refrigeration piece is crisscross the setting in vertical direction, and is adjacent there is the clearance and is greater than the thickness of monolithic refrigeration piece between the refrigeration piece.
Through adopting above-mentioned technical scheme, the refrigerated area has been increased to the refrigeration piece that a plurality of crisscross settings for VOCs and the abundant contact of refrigeration piece improve the quality of cryogenic treatment.
Further, the refrigeration units in the vertical direction are arranged in a staggered mode.
Through adopting above-mentioned technical scheme, avoid VOCs to circulate in the passageway that does not have the refrigeration piece always and influence refrigeration effect to the quality of VOCs's purification has been improved.
Furthermore, the distribution density of the refrigerating fins in the first-stage primary cooling system is smaller than that of the refrigerating fins in the second-stage intercooling system, and the distribution density of the refrigerating fins in the second-stage intercooling system is smaller than that of the refrigerating fins in the third-stage copious cooling system.
Through adopting above-mentioned technical scheme, the refrigeration piece of different density makes the refrigeration area different, and the effect that the density is cryogenic the better more.
Furthermore, adjacent heat-preserving barrels are mutually detachably connected through flanges.
Through adopting above-mentioned technical scheme, because the chemical substance that contains in the VOCs is more to each chemistry self performance is different, and corresponding condensing temperature is also different, and the chemical substance that corresponds different temperatures, can realize multistage refrigerating system's increase according to actual demand, reaches the requirement of purification treatment.
In conclusion, the invention has the following beneficial effects:
1. The purification treatment work of the VOCs can be realized through the primary cooling system, the secondary inter-cooling system and the tertiary cryogenic system, and the zero emission effect is realized;
2. Through the setting of structure is collected to the non return, can play and retrieve the chemical in each condensing system, reach the effect of categorised recovery.
Drawings
FIG. 1 is a schematic view of the overall structure of a purification apparatus according to a first embodiment;
FIG. 2 is a schematic view of a first embodiment for embodying a check collection feature;
FIG. 3 is an enlarged view of A in FIG. 2;
FIG. 4 is a top view of a refrigeration system embodying a check collection structure in accordance with one embodiment;
FIG. 5 is a schematic view for embodying the check collection structure in the second embodiment;
Fig. 6 is an enlarged view of B in fig. 5.
In the figure, 1, a primary cooling system; 2. a secondary intercooling system; 3. a three-stage cryogenic system; 4. a dispensing opening; 5. a heat-preserving barrel; 6. a refrigeration assembly; 61. a refrigeration plate; 62. a condenser tube; 63. a refrigerator; 7. a non-return collection structure; 71. a collecting ring plate; 72. a baffle plate; 73. a check assembly; 731. a check plate; 732. a drainage plate; 733. a drainage groove; 734. a non-return cap; 735. a support bar; 8. an excretion opening.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows: a three-stage condensing system of a VOCs purification treatment device is shown in figures 1 and 2 and comprises a one-stage primary cooling system 1, a two-stage inter-cooling system 2 and a three-stage cryogenic system 3, wherein the two-stage inter-cooling system 2 is arranged above and communicated with the one-stage primary cooling system 1, the two-stage inter-cooling system 2 and the three-stage cryogenic system 3 are arranged above and communicated with each other, and the one-stage primary cooling system 1, the two-stage inter-cooling system 2 and the three-stage cryogenic system 3 respectively comprise a heat-preserving container 5 and a refrigerating assembly 6.
As shown in fig. 2, the primary cooling system 1, the secondary inter-cooling system 2 and the tertiary cryogenic system 3 each include a heat-insulating barrel 5 and a refrigerating assembly 6 connected with the heat-insulating barrel 5, and the refrigerating assembly 6 includes a plurality of refrigerating fins 61 vertically arranged in the heat-insulating barrel 5, a condensing pipe 62 connected with the refrigerating fins 61, and a refrigerating machine 63 arranged outside the heat-insulating barrel 5 and communicated with the condensing pipe 62. Conduct low temperature to the refrigeration piece 61 through condenser pipe 62 on, realize condensing system's cooling condensation work at different levels, reach and carry out cryogenic treatment to VOCs. The condenser tube 62 is generally provided in the form of a coil, and the coil can communicate with each of the cooling fins 61, and at the same time, the coil itself can emit cooling temperature to serve as a cooling role.
As shown in fig. 2 and 3, under the effect of each stage of condensing system, the chemical substances in the VOCs can condense and fall down, in order to avoid the condensed chemical substances in different condensing systems from falling into the condensing system below under the effect of gravity, the non-return collecting structures 7 are arranged in the primary cooling system 1, the secondary cooling system 2 and the tertiary cryogenic system 3, and the falling of the chemical substances can be effectively reduced by the non-return collecting structures 7.
As shown in fig. 2 and 3, the check collection structure 7 is arranged below the refrigeration assembly 6, the check collection structure 7 comprises a collection ring plate 71 arranged at the bottom of the heat preservation barrel 5, a baffle plate 72 arranged at the end part of the heat preservation barrel 5 far away from the collection ring plate 71, a check assembly 73 arranged above the collection ring plate 71, and a drain outlet 8 arranged on the side wall of the heat preservation barrel 5 and communicated with the outside, wherein the collection ring plate 71 and the heat preservation barrel 5 are coaxially arranged, and the bottom end of the drain outlet 8 is abutted against the collection ring plate 71.
As shown in fig. 2 and 3, the non-return assembly 73 includes a plurality of non-return plates 731 disposed above the collecting ring plate 71 and fixedly connected to the sidewall of the heat-insulating barrel 5, a drainage groove 733 disposed below the non-return plates 731, and a drainage plate 732 connecting the non-return plates 731 and the drainage groove 733, wherein the non-return plates 731 cover the opening of the collecting ring plate 71, the non-return plates 731 and the drainage plate 732 are disposed in a horizontal direction and in the same inclination direction, a gap exists between adjacent non-return plates 731, the drainage groove 733 is disposed at an end of the drainage plate 732 away from the non-return plates 731, the coverage area of the drainage groove 733 and the drainage plate 732 is larger than the gap, and the drainage groove 733 extends to a side of the collecting ring plate 71 located on the baffle 72 away from the center of the heat-insulating barrel.
As shown in fig. 2 and 3, the check plate 731, the flow guide plate 732 and the flow guide groove 733 can effectively shield an opening on the collecting ring plate 71 (as shown in fig. 4), condensed chemical substances fall onto the check plate 731, slide along the flow guide plate 732 to the flow guide groove 733, the chemical substances in the flow guide groove 733 slide to the collecting ring plate 71, the condensed chemical substances fall into the condensing system of the next stage effectively, and the obliquely arranged check plate 731 does not influence the circulation of non-condensed gas in the VOCs to the condensing system of the previous stage.
As shown in fig. 2 and 3, the collecting ring plate 71 is arranged to be upward conical from the side wall of the thermal insulation barrel 5 to the center of the thermal insulation barrel 5, and the collecting ring plate 71 arranged in a conical shape is beneficial to chemical substances flowing to the drain outlet 8, is beneficial to improving the effect that the chemical substances are discharged out of each condensing system quickly and stably, and reduces the residue of the chemical substances in each condensing system.
As shown in fig. 2 and 3, the refrigerating assembly 6 includes a plurality of refrigerating sheets 61 vertically disposed in the heat-insulating barrel 5, a condensing pipe 62 connected with the refrigerating sheets 61, and a refrigerating machine 63 disposed outside the heat-insulating barrel 5 and communicated with the condensing pipe 62. The refrigerating machine 63 works for refrigeration, and low temperature is transmitted to the refrigerating sheet 61 through the condensing pipe 62, so that the cooling and condensing work of each stage of condensing system is realized, and the purpose of carrying out cryogenic treatment on VOCs is achieved; the condenser tube 62 is generally provided in the form of a coil, and the coil can communicate with each of the cooling fins 61, and at the same time, the coil itself can emit cooling temperature to serve as a cooling role.
As shown in fig. 2 and 3, the length direction of the inner wall fixed connection of the refrigeration piece 61 and the heat-preserving container 5 and covering the heat-preserving container 5, the length of the refrigeration piece 61 is smaller than that of the heat-preserving container 5, the refrigeration piece 61 is arranged in a staggered mode in the vertical direction, and a gap exists between the adjacent refrigeration pieces 61 and is larger than the thickness of the single refrigeration piece 61. In order to improve the purification quality, the distribution density of the refrigerating fins 61 in the first-stage primary cooling system 1 is smaller than that of the refrigerating fins 61 in the second-stage intercooling system 2, the distribution density of the refrigerating fins 61 in the second-stage intercooling system 2 is smaller than that of the refrigerating fins 61 in the third-stage copious cooling system 3, the refrigerating areas of the refrigerating fins 61 with different densities are different, the higher the density is, the better the refrigerating effect is, the VOCs are in full contact with the refrigerating fins 61, and the copious cooling treatment quality is improved.
As shown in figure 2, because the chemical substance that contains in the VOCs is more to the performance of each chemistry self is different, and corresponding condensing temperature is also different, and the chemical substance that corresponds different temperatures, with adjacent heat-preserving container 5 through flange mutual dismantlement connection, reach the increase that can realize multistage refrigerating system according to actual demand, reach different chemical substance purification treatment's requirement.
The specific implementation process comprises the following steps: by adopting the technical scheme, the gas naphthalene and anthracene are compressed and collected in the primary cooling system 1; the noncondensable gas in the VOCs continuously rises and enters a secondary intercooling system 2 to collect water vapor; the noncondensable gas in the VOCs continuously rises and automatically rises into the three-stage cryogenic system 3, the benzene gas begins to be liquefied, and the phenol gas begins to be liquefied and collected; the substances collected by each condensing system can be recycled, and the non-return collection structure 7 can perform a blocking effect on unknown substances collected by each refrigerating system, so that the chemicals collected by condensation are reduced from being mixed with each other and cannot be treated. And the collected chemical substances in each refrigerating system are discharged from the discharge outlet 8 for classified collection, so that zero discharge of VOCs is realized.
Example two: the difference from the first embodiment is that, as shown in fig. 5 and 6, the check assembly 73 includes a check cap 734 disposed above the collecting ring plate 71, and a support rod 735 connecting the check cap 734 and the collecting ring plate 71, wherein the check cap 734 covers the opening of the collecting ring plate 71 and extends to a side of the collecting ring plate 71 which is located away from the center of the insulating barrel 5 of the baffle plate 72. The chemical substance that condenses down drops on non return cap 734, and the landing is to collecting ring board 71 along non return cap 734, and the effectual chemical substance that has realized condensing down drops in the condensing system of following one-level, and non-condensing gas is to the circulation in the last one-level condensing system in the VOCs not influenced by non return cap 734.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a tertiary condensing system of VOCs purification unit which characterized in that: including one-level primary cooling system (1), set up in the secondary intercooling system (2) of one-level primary cooling system (1) top and intercommunication, set up tertiary cryogenic system (3) in secondary intercooling system (2) top and intercommunication, the below of one-level primary cooling system (1) is equipped with diffuses mouthful (4), all include heat-preserving container (5), refrigeration component (6) of being connected with heat-preserving container (5) in one-level primary cooling system (1), secondary intercooling system (2) and tertiary cryogenic system (3), all be equipped with non return collection structure (7) in one-level primary cooling system (1), secondary intercooling system (2) and tertiary cryogenic system (3).
2. The three-stage condensing system of a VOCs purification treatment apparatus of claim 1, wherein: structure (7) are collected to non return including setting up in collection crown plate (71) of heat-preserving container (5) bottom, setting up baffle (72), non return subassembly (73) of setting in collection crown plate (71) top of keeping away from heat-preserving container (5) tip at collection crown plate (71), set up on heat-preserving container (5) lateral wall with drain hole (8) of external intercommunication, collection crown plate (71) and heat-preserving container (5) coaxial setting, the bottom and the collection crown plate (71) of drain hole (8) are contradicted.
3. The three-stage condensing system of a VOCs purification treatment apparatus of claim 2, wherein: the collecting ring plate (71) is arranged in an upward conical shape from the side wall of the heat-insulating barrel (5) to the center of the heat-insulating barrel (5).
4. The three-stage condensing system of a VOCs purification treatment apparatus of claim 3, wherein: the non-return assembly (73) comprises a plurality of non-return plates (731) arranged above the collecting ring plate (71) and fixedly connected with the side wall of the heat-insulating barrel (5), a drainage groove (733) arranged below the non-return plates (731), and a drainage plate (732) connected with the non-return plates (731) and the drainage groove (733), wherein the non-return plates (731) cover the opening of the collecting ring plate (71), the non-return plates (731) and the drainage plate (732) are obliquely arranged in the horizontal direction and have the same oblique direction, the non-return plates (731) and the drainage plate (732) are adjacent to each other, a gap exists between the non-return plates (731), the drainage groove (733) is arranged at one end, far away from the non-return plates (731), of the drainage plate (732), the coverage area of the drainage groove (733) and the drainage plate (732) is larger than the gap, and the drainage groove (733) extends to one side, far away from the center of the heat-insulating barrel.
5. The three-stage condensing system of a VOCs purification treatment apparatus of claim 3, wherein: the check assembly (73) comprises a check cap (734) arranged above the collecting ring plate (71) and a support rod (735) connecting the check cap (734) and the collecting ring plate (71), wherein the check cap (734) covers an opening of the collecting ring plate (71) and extends to one side, which is located on the baffle (72) and is far away from the center of the heat-preserving container (5), above the collecting ring plate (71).
6. The three-stage condensing system of a VOCs purification treatment apparatus of claim 1, wherein: refrigeration subassembly (6) are located the top that structure (7) were collected to the non return, refrigeration subassembly (6) include vertical a plurality of refrigeration pieces (61) that set up in heat-preserving container (5), condenser pipe (62) of being connected with refrigeration piece (61), set up in heat-preserving container (5) the outside and with refrigerator (63) of condenser pipe (62) intercommunication.
7. The three-stage condensing system of a VOCs purification treatment apparatus of claim 2, wherein: inner wall fixed connection of refrigeration piece (61) heat-preserving container (5) just covers the length direction of heat-preserving container (5), the length of refrigeration piece (61) is less than the length of heat-preserving container (5), refrigeration piece (61) is crisscross in vertical direction and sets up, and is adjacent there is the clearance between refrigeration piece (61) and is greater than the thickness of monolithic refrigeration piece (61).
8. The three-stage condensing system of a VOCs purification treatment apparatus of claim 7, wherein: the refrigeration units are arranged in a staggered mode in the vertical direction.
9. The three-stage condensing system of a VOCs purification treatment apparatus of claim 8, wherein: the distribution density of the refrigerating fins (61) in the first-stage primary cooling system (1) is smaller than that of the refrigerating fins (61) in the second-stage intercooling system (2), and the distribution density of the refrigerating fins (61) in the second-stage intercooling system (2) is smaller than that of the refrigerating fins (61) in the third-stage copious cooling system (3).
10. The three-stage condensing system of a VOCs purification treatment apparatus of claim 1, wherein: the adjacent heat-insulating barrels (5) are mutually detachably connected through flanges.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910087664.9A CN111482039A (en) | 2019-01-29 | 2019-01-29 | Three-stage condensation system of VOCs purification treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910087664.9A CN111482039A (en) | 2019-01-29 | 2019-01-29 | Three-stage condensation system of VOCs purification treatment device |
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| CN111482039A true CN111482039A (en) | 2020-08-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140004331U (en) * | 2013-01-09 | 2014-07-17 | 춘-루에이 양 | Exhaust apparatus for protecting environment |
| CN107243248A (en) * | 2017-06-14 | 2017-10-13 | 大唐环境产业集团股份有限公司 | A kind of folded plate type gas-liquid part flow arrangement |
| CN107303456A (en) * | 2016-04-21 | 2017-10-31 | 李润超 | A kind of device of Collecting and dealing uncontrollable discharge gas |
| CN208018364U (en) * | 2018-01-23 | 2018-10-30 | 苏州日臻环保设备有限公司 | A kind of multi-stage condensing device of sulfur compound exhaust-gas treatment |
| CN209809849U (en) * | 2019-01-29 | 2019-12-20 | 内蒙古环保投资集团有限公司 | Three-stage condensation system of VOCs purification treatment device |
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2019
- 2019-01-29 CN CN201910087664.9A patent/CN111482039A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140004331U (en) * | 2013-01-09 | 2014-07-17 | 춘-루에이 양 | Exhaust apparatus for protecting environment |
| CN107303456A (en) * | 2016-04-21 | 2017-10-31 | 李润超 | A kind of device of Collecting and dealing uncontrollable discharge gas |
| CN107243248A (en) * | 2017-06-14 | 2017-10-13 | 大唐环境产业集团股份有限公司 | A kind of folded plate type gas-liquid part flow arrangement |
| CN208018364U (en) * | 2018-01-23 | 2018-10-30 | 苏州日臻环保设备有限公司 | A kind of multi-stage condensing device of sulfur compound exhaust-gas treatment |
| CN209809849U (en) * | 2019-01-29 | 2019-12-20 | 内蒙古环保投资集团有限公司 | Three-stage condensation system of VOCs purification treatment device |
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