CN220546601U - Normal-temperature condensing device for VOCs waste gas recovery industry - Google Patents
Normal-temperature condensing device for VOCs waste gas recovery industry Download PDFInfo
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- CN220546601U CN220546601U CN202321702564.0U CN202321702564U CN220546601U CN 220546601 U CN220546601 U CN 220546601U CN 202321702564 U CN202321702564 U CN 202321702564U CN 220546601 U CN220546601 U CN 220546601U
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- tank body
- steam
- cavity
- waste gas
- gas recovery
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 39
- 238000011084 recovery Methods 0.000 title claims abstract description 31
- 239000002912 waste gas Substances 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 239000007921 spray Substances 0.000 claims description 19
- 238000000926 separation method Methods 0.000 claims description 16
- 239000002904 solvent Substances 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 15
- 239000010865 sewage Substances 0.000 claims description 13
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 42
- 229920000742 Cotton Polymers 0.000 abstract description 4
- 229910021536 Zeolite Inorganic materials 0.000 description 6
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000010457 zeolite Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229940081330 tena Drugs 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Abstract
The utility model discloses a normal temperature condensing device for VOCs waste gas recovery industry, which comprises a shell, wherein a treatment cavity and a steam humidification cavity are arranged in the shell, the treatment cavity is positioned below the steam humidification cavity, the treatment cavity is communicated with the humidification cavity, the upper end of the shell is provided with a tank body, and a condensing mechanism and a secondary treatment mechanism are arranged in the tank body. According to the utility model, VOCs tail gas discharged by an enterprise is pumped into the treatment cavity by starting the centrifugal fan, a plurality of filter screens in the treatment cavity can filter components which cannot be recovered, such as oil films, granular or cotton wool matters and the like in the tail gas, at the moment, a valve in the steam humidifying cavity is opened, supersaturated steam is introduced into the steam humidifier to be fully mixed with the VOCs tail gas, then the mixed gas enters the tank body, a condenser is started to obtain mixed liquid, and a part of mixed gas which is not fully condensed enters the plate-type demister through a plurality of vent holes to carry out demisting.
Description
Technical Field
The utility model belongs to the technical field of VOCs waste gas treatment, and particularly relates to a normal-temperature condensing device for the VOCs waste gas recovery industry.
Background
VOCs are contained in tena water, glues, paints, inks, cleaners, of which the class is mainly about 200 of toluene, xylene, ethyl acetate, etc.
The existing zeolite rotating wheel and RTO technology is suitable for small air quantity and high-concentration VOCs waste gas, the treatment effect is general, tail gas can not be stably kept in a standard state all the time, the fluctuation of the treatment effect is large, the cost for later maintenance and replacement of parts is high, if the zeolite rotating wheel and RTO technology are used in large air quantity and low concentration, the cost is higher, the effect is poorer, and in addition, by taking the zeolite rotating wheel as an example, the concentrated tail gas can recover the VOCs by using a condensation method, the concentrated tail gas can be condensed into a liquid state until the concentrated tail gas is below 0 ℃, the subsequent treatment is carried out, the tail gas is reduced to 0 ℃ and the cost is very high, and the conditions are too severe.
Therefore, it is necessary to invent a normal temperature condensing device for the VOCs waste gas recovery industry to solve the above problems.
Disclosure of Invention
Aiming at the problems that the existing zeolite rotating wheel and RTO technology in the prior art is suitable for small-air-volume and high-concentration VOCs waste gas, the treatment effect is general, the tail gas can not be stably kept in a standard state all the time, if the technology is used in large-air-volume and low-concentration, the cost is higher, the effect is poorer, and if the zeolite rotating wheel is used for example, the concentrated tail gas is used for recycling the VOCs component, the concentrated tail gas needs to be reduced to below 0 ℃ to condense the VOCs into a liquid state for subsequent treatment, and the cost for reducing the tail gas to 0 ℃ needs to be quite high, the following technical scheme is provided:
a normal atmospheric temperature condensing equipment for VOCs waste gas recovery trade, including the casing, be provided with processing chamber and steam humidification chamber in the casing, the processing chamber is located the below in steam humidification chamber, processing chamber and humidification chamber intercommunication, is equipped with filter element in the processing chamber, installs valve and steam humidifier in the steam humidification chamber, and the left side of casing is provided with centrifugal fan, and centrifugal fan passes through the inside intercommunication in tuber pipe and processing chamber, and the upper end of casing is provided with the jar body, is provided with condensing mechanism and secondary treatment mechanism in the jar body.
The centrifugal fan is started to pump VOCs tail gas discharged by enterprises into the processing cavity, a plurality of filter screens in the processing cavity can filter components which cannot be recovered such as oil films, granular or cotton wool substances and the like in the tail gas, at the moment, a valve in the steam humidifying cavity is opened to introduce supersaturated steam into the steam humidifier, so that the supersaturated steam and the VOCs tail gas are fully mixed, then the mixed gas enters the tank body, the condenser is started to obtain mixed liquid, and part of mixed gas which is not fully condensed enters the plate-type demister through a plurality of vent holes to demist, so that two spray heads can spray the mixed gas through a plurality of spray nozzles in the process.
As the preference of the technical scheme, the filter component comprises a pulling plate arranged at the front side of the treatment cavity, a vertical plate is fixedly connected to the rear side of the pulling plate, a plurality of hollow placing grooves are fixedly connected to the rear side of the vertical plate, filter screens are placed in the hollow placing grooves, and handles are fixedly connected to the upper ends of the filter screens.
The condensing mechanism comprises a condenser arranged at the bottom of the tank body, the steam humidifying cavity is communicated with the tank body, and cooling water at the temperature of between the temperature and the temperature is filled in the tank body.
The secondary treatment mechanism comprises two partition boards fixedly connected in the inner wall of the tank body, a plurality of vent holes are formed in the two partition boards in a penetrating mode, spray heads are mounted at the lower ends of the two partition boards, and a plurality of spray nozzles are arranged on the two spray heads.
The plate-type demister is arranged in the tank body and is positioned above the two partition plates, a chimney is arranged at the upper end of the tank body, and the chimney is communicated with the tank body.
The right side of casing is provided with mixed liquid separation recovery tank, and mixed liquid separation recovery tank passes through two first pipelines and jar body intercommunication, and the front side of mixed liquid separation recovery tank is provided with solvent treatment case and sewage collecting box.
The sewage collecting box is positioned on the right side of the solvent treatment box, and the mixed liquid separation and recovery box is communicated with the solvent treatment box and the sewage collecting box through a second pipeline and a third pipeline respectively.
The VOCs in the treated gas is basically removed, the removed gas is discharged to the outside through a chimney, the mixed liquid in the tank body and the mixed liquid discharged from the condenser enter a mixed liquid separation recovery tank together through two first pipelines to be separated, the separated liquid VOCs solvent enters a solvent treatment tank through a second pipeline to be treated and then is recycled, and the separated water enters a sewage collection tank through a third pipeline to be treated.
Compared with the prior art, the utility model has the beneficial effects that:
(1) Starting a centrifugal fan to pump VOCs tail gas discharged by an enterprise into a processing cavity, filtering unrecoverable components such as oil films, granular or cotton wool substances and the like in the tail gas by a plurality of filter screens in the processing cavity, opening a valve in a steam humidifying cavity at the moment, introducing supersaturated steam into a steam humidifier to fully mix the supersaturated steam with the VOCs tail gas, enabling the mixed gas to enter a tank body, starting a condenser to obtain mixed liquid, enabling part of the mixed gas which is not fully condensed to enter a plate-type demister through a plurality of vent holes to demist, and spraying the mixed gas by two spray heads through a plurality of spray nozzles in the process;
(2) The VOCs in the treated gas is basically removed, the removed gas is discharged to the outside through a chimney, the mixed liquid in the tank body and the mixed liquid discharged from the condenser enter a mixed liquid separation recovery tank together through two first pipelines to be separated, the separated liquid VOCs solvent enters a solvent treatment tank through a second pipeline to be treated and then is recycled, and the separated water enters a sewage collection tank through a third pipeline to be treated, so that the effective removal rate of the process is more than 95%.
Drawings
FIG. 1 shows a schematic overall structure of an embodiment of the present utility model;
FIG. 2 shows a schematic diagram of a filter assembly according to an embodiment of the utility model;
FIG. 3 shows a plan view of the overall structure of an embodiment of the present utility model;
FIG. 4 shows a schematic diagram of a spray head structure according to an embodiment of the present utility model;
in the figure: 1. a housing; 2. a centrifugal fan; 3. a partition plate; 4. a steam humidification chamber; 5. a tank body; 6. a chimney; 7. a mixed liquid separation recovery tank; 8. a solvent treatment tank; 9. a sewage collection box; 10. a first pipe; 11. a second pipe; 12. a third conduit; 13. a filter screen; 14. a handle; 15. a plate-type demister; 16. a partition plate; 17. a vent hole; 18. a spray head; 19. a nozzle; 20. pulling the plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments.
The utility model provides a normal temperature condensing device for VOCs waste gas recovery industry, as shown in figures 1-4, comprising a shell 1, wherein a treatment cavity 3 and a steam humidification cavity 4 are arranged in the shell 1, the treatment cavity 3 is positioned below the steam humidification cavity 4, the treatment cavity 3 is communicated with the humidification cavity 4, a filter assembly is arranged in the treatment cavity 3, a valve and a steam humidifier are arranged in the steam humidification cavity 4, a centrifugal fan 2 is arranged on the left side of the shell 1, the centrifugal fan 2 is communicated with the inside of the treatment cavity 3 through an air pipe, a tank body 5 is arranged at the upper end of the shell 1, and a condensing mechanism and a secondary treatment mechanism are arranged in the tank body 5;
as shown in fig. 2, the filter assembly comprises a pull plate 20 arranged at the front side of the processing cavity 3, a vertical plate is fixedly connected to the rear side of the pull plate 20, a plurality of hollow placing grooves are fixedly connected to the rear side of the vertical plate, filter screens 13 are placed in the plurality of hollow placing grooves, and handles 14 are fixedly connected to the upper ends of the plurality of filter screens 13.
As shown in fig. 3, the condensing mechanism comprises a condenser arranged at the inner bottom of the tank body 5, the steam humidifying cavity 4 is communicated with the tank body 5, and cooling water at 15-30 ℃ is filled in the tank body 5.
As shown in fig. 3, the secondary treatment mechanism comprises two partition boards 16 fixedly connected in the inner wall of the tank body 5, a plurality of ventilation holes 17 are formed in the two partition boards 16 in a penetrating manner, spray heads 18 are mounted at the lower ends of the two partition boards 16, a plurality of spray nozzles 19 are arranged on the two spray heads 18, a plate type demister 15 is mounted in the tank body 5, the plate type demister 15 is located above the two partition boards 16, a chimney 6 is arranged at the upper end of the tank body 5, and the chimney 6 is communicated with the tank body 5.
As shown in fig. 1, a mixed liquor separation and recovery tank 7 is arranged on the right side of the shell 1, the mixed liquor separation and recovery tank 7 is communicated with the tank body 5 through two first pipelines 10, a solvent treatment tank 8 and a sewage collection tank 9 are arranged on the front side of the mixed liquor separation and recovery tank 7, the sewage collection tank 9 is positioned on the right side of the solvent treatment tank 8, and the mixed liquor separation and recovery tank 7 is respectively communicated with the solvent treatment tank 8 and the sewage collection tank 9 through a second pipeline 11 and a third pipeline 12.
Working principle: when the device is used, the centrifugal fan 2 is started to pump VOCs tail gas discharged by enterprises into the treatment cavity 3, a plurality of filter screens 13 in the treatment cavity 3 can filter components which cannot be recovered, such as oil films, granular or cotton wool substances and the like in the tail gas (after a period of use, the pull plate 20 can be pulled to replace a new filter screen 13) so that VOCs gas entering the steam humidifying cavity 4 does not contain impurities, at the moment, a valve in the steam humidifying cavity 4 is opened, supersaturated steam is introduced into the steam humidifier, and the supersaturated steam is fully mixed with the VOCs tail gas to form high-temperature mixed gas (at the moment, the temperature of the mixed gas is 100-110 ℃);
then the high-temperature mixed gas enters the tank body 5, a condenser is started, at the moment, cooling water with the temperature of 15-30 ℃ is used for heat exchange condensation to obtain mixed liquid, and part of the mixed gas which is not fully condensed passes through a plurality of vent holes 17 in two partition plates 16, in the process, two spray heads 18 spray the mixed gas through a plurality of spray nozzles 19, and after spraying, the mixed gas is defogged through a plate-type defogger 15;
the VOCs in the treated gas is basically removed, the removed gas is discharged to the outside through a chimney 6, the mixed liquid in the tank body 5 and the mixed liquid discharged by the condenser enter a mixed liquid separation recovery box 7 together through two first pipelines 10 to be separated, the separated liquid VOCs solvent enters a solvent treatment box 9 through a second pipeline 11 to be treated and then is recycled, and the separated water enters a sewage collection box 9 through a third pipeline 12 to be treated, so that the effective removal rate of the process is more than 95%;
the device is applicable to VOCs waste gas treatment of big amount of wind, low concentration or with zeolite runner, VOCs fluidized bed concentration, other later stages need use the VOCs treatment technology of condensation recovery, mainly be applied to industries such as lithium cell, semiconductor, printing, pharmacy, have running cost low, take up an area of characteristics such as little, compact structure, maintenance cost are low.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting.
Claims (7)
1. A normal atmospheric temperature condensing equipment for VOCs waste gas recovery trade, including casing (1), its characterized in that, be provided with in casing (1) and handle chamber (3) and steam humidification chamber (4), handle chamber (3) are located the below of steam humidification chamber (4), handle chamber (3) and steam humidification chamber (4) intercommunication, be equipped with filter equipment in handle chamber (3), install valve and steam humidifier in steam humidification chamber (4), the left side of casing (1) is provided with centrifugal fan (2), centrifugal fan (2) are through the inside intercommunication of tuber pipe with handle chamber (3), the upper end of casing (1) is provided with jar body (5), be provided with condensation mechanism and secondary treatment mechanism in jar body (5).
2. The normal temperature condensing device for VOCs waste gas recovery industry according to claim 1, wherein the filtering assembly comprises a pulling plate (20) arranged on the front side of the treatment cavity (3), a vertical plate is fixedly connected to the rear side of the pulling plate (20), a plurality of hollow placing grooves are fixedly connected to the rear side of the vertical plate, a plurality of filtering screens (13) are placed in the hollow placing grooves, and handles (14) are fixedly connected to the upper ends of the filtering screens (13).
3. The normal temperature condensing device for the VOCs waste gas recovery industry according to claim 1, wherein the condensing mechanism comprises a condenser arranged at the inner bottom of the tank body (5), and the steam humidifying cavity (4) is communicated with the tank body (5).
4. The normal temperature condensing device for VOCs waste gas recovery industry according to claim 1, wherein the secondary treatment mechanism comprises two partition boards (16) fixedly connected in the inner wall of the tank body (5), a plurality of vent holes (17) are formed in the two partition boards (16) in a penetrating mode, spray heads (18) are mounted at the lower ends of the two partition boards (16), and a plurality of spray nozzles (19) are arranged on the two spray heads (18).
5. The normal temperature condensing device for VOCs waste gas recovery industry according to claim 4, wherein a plate type demister (15) is installed in the tank body (5), the plate type demister (15) is located above the two partition plates (16), a chimney (6) is arranged at the upper end of the tank body (5), and the chimney (6) is communicated with the tank body (5).
6. The normal temperature condensing device for VOCs waste gas recovery industry according to claim 1, wherein the right side of the shell (1) is provided with a mixed liquid separation recovery box (7), the mixed liquid separation recovery box (7) is communicated with the tank body (5) through two first pipelines (10), and the front side of the mixed liquid separation recovery box (7) is provided with a solvent treatment box (8) and a sewage collection box (9).
7. The normal temperature condensing device for VOCs waste gas recovery industry according to claim 6, wherein the sewage collection box (9) is located on the right side of the solvent treatment box (8), and the mixed liquid separation and recovery box (7) is respectively communicated with the solvent treatment box (8) and the sewage collection box (9) through a second pipeline (11) and a third pipeline (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321702564.0U CN220546601U (en) | 2023-07-01 | 2023-07-01 | Normal-temperature condensing device for VOCs waste gas recovery industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321702564.0U CN220546601U (en) | 2023-07-01 | 2023-07-01 | Normal-temperature condensing device for VOCs waste gas recovery industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220546601U true CN220546601U (en) | 2024-03-01 |
Family
ID=90003483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321702564.0U Active CN220546601U (en) | 2023-07-01 | 2023-07-01 | Normal-temperature condensing device for VOCs waste gas recovery industry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220546601U (en) |
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2023
- 2023-07-01 CN CN202321702564.0U patent/CN220546601U/en active Active
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