CN215388526U - Active carbon vacuum electric desorption device - Google Patents
Active carbon vacuum electric desorption device Download PDFInfo
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- CN215388526U CN215388526U CN202121499587.7U CN202121499587U CN215388526U CN 215388526 U CN215388526 U CN 215388526U CN 202121499587 U CN202121499587 U CN 202121499587U CN 215388526 U CN215388526 U CN 215388526U
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Abstract
The utility model discloses an active carbon vacuum electric desorption device, which relates to the technical field of waste gas purification, and particularly relates to an active carbon vacuum electric desorption device. This active carbon vacuum electric desorption device, after first adsorbent or second adsorbent reach the saturation, open desorption fan, water ring vacuum pump and electric heater for the atmospheric pressure of first active carbon adsorption case or second active carbon adsorption incasement chamber reduces or becomes vacuum state, low pressure or vacuum are used for reducing desorption temperature, utilize the less material of pressure to make organic waste gas and the profit of attaching to on the active carbon break away from on the active carbon the less nature of effort in addition on the active carbon, the work efficiency of this active carbon vacuum electric desorption device has been improved.
Description
Technical Field
The utility model relates to the technical field of waste gas purification, in particular to an active carbon vacuum electric desorption device.
Background
The active carbon adsorption method is suitable for purifying, recovering and treating organic waste gas, is widely applied to industries of petroleum, chemical industry, rubber, paint, coating, printing and the like, can effectively purify benzene waste gas and other organic waste gas, is limited by the adsorption capacity of the active carbon, and in order not to influence the adsorption efficiency of the active carbon, the adsorption saturation of the activated carbon is required to be frequently replaced, the frequent replacement not only increases the operating cost, but also the replaced waste activated carbon needs to be treated according to the danger and solid waste, the activated carbon desorption mode is adopted at present to regenerate and recycle the activated carbon, therefore, the frequency of replacing the activated carbon is reduced, but the efficiency of the existing activated carbon desorption device is poor, and the phenomenon of residual moisture in the adsorbent can occur in some wet desorption devices, so that the adsorption efficiency of the regenerated activated carbon is influenced, and the requirement of the existing activated carbon vacuum electric desorption device cannot be met.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides an activated carbon vacuum electric desorption device, which solves the problems in the background technology.
In order to achieve the purpose, the utility model is realized by the following technical scheme: an active carbon vacuum electric desorption device comprises a first active carbon adsorption tank, a second active carbon adsorption tank, a desorption fan, a VOCs gas pipeline, a fresh water pipeline, an organic sewage treatment module and a condensate oil recovery module, wherein a first adsorbent is arranged inside the first active carbon adsorption tank, a second adsorbent is arranged inside the second active carbon adsorption tank, electric heaters are respectively arranged inside the first active carbon adsorption tank and the second active carbon adsorption tank, temperature sensors are respectively arranged on the two electric heaters, the desorption fan is respectively connected with the first active carbon adsorption tank and the second active carbon adsorption tank through air pipes, the first active carbon adsorption tank and the second active carbon adsorption tank are respectively connected with a condenser through air pipes, the condenser is connected with a gas-liquid separator through air pipes, and the output end of the gas-liquid separator is connected with an oil storage tank through air pipes, first active carbon adsorption case and second active carbon adsorption case are connected with the oil storage tank through the water pipe respectively, the oil storage tank is connected with organic sewage treatment module, the oil storage tank is connected with the condensate oil delivery pump, the one end of condensate oil delivery pump is connected with condensate oil recovery module.
Preferably, the output of VOCs gas pipeline is provided with the gas bypass valve, the gas bypass valve is connected with first active carbon adsorption case and second active carbon adsorption case respectively through the tuber pipe, the gas bypass valve is connected with VOCs on-line monitoring instrument through the tuber pipe, VOCs on-line monitoring instrument's one end is connected with the high altitude emission chimney, first active carbon adsorption case and second active carbon adsorption case are connected with VOCs on-line monitoring instrument through the tuber pipe respectively.
Preferably, the one end of fresh water pipeline is provided with water ring vacuum pump, the trachea that the one end and desorption fan and first active carbon adsorption case, second active carbon adsorption case of water ring vacuum pump are connected, the other end of water ring vacuum pump is connected with the condenser.
Preferably, the desorption fan, the first activated carbon adsorption tank and the second activated carbon adsorption tank are respectively provided with a switch valve on the air pipe.
Preferably, air intake valves are respectively arranged on air pipes connected with the gas bypass valve, the first activated carbon adsorption tank and the second activated carbon adsorption tank.
Preferably, air pipes of the VOCs online monitoring instrument connected with the first activated carbon adsorption tank and the second activated carbon adsorption tank are respectively provided with an air outlet valve.
Preferably, the water pipes of the oil storage tank, the first activated carbon adsorption tank and the second activated carbon adsorption tank are respectively provided with a drain valve.
Preferably, the air pipes of the condenser connected with the first activated carbon adsorption tank and the second activated carbon adsorption tank are respectively provided with a tail gas valve.
The utility model provides an active carbon vacuum electric desorption device, which has the following beneficial effects:
1. this active carbon vacuum electric desorption device, through the desorption fan, water ring vacuum pump, electric heater's cooperation is used, after first adsorbent or second adsorbent reach the saturation, open the desorption fan, water ring vacuum pump and electric heater, make the atmospheric pressure of first active carbon adsorption case or second active carbon adsorption incasement chamber reduce or become vacuum state, low pressure or vacuum are used for reducing desorption temperature, utilize the less nature of the less material of pressure on the active carbon of the less effort of material to make organic waste gas and the profit of attaching to on the active carbon to break away from in addition, electric heater heats the inner chamber of first active carbon adsorption case and second active carbon adsorption case simultaneously, ensure that the air temperature of desorption is less than or equal to 120 ℃, realized the desorption function that pressure swing desorption and high temperature desorption combined together, the work efficiency of this active carbon vacuum electric desorption device has been improved.
2. This active carbon vacuum electric desorption device, residual moisture in first adsorbent and the second adsorbent after to the desorption through electric heater is eliminated, reduce the dry latency of adsorbent, it can make and remain moisture in the adsorbent to have avoided traditional wet desorption, the problem of active carbon adsorption efficiency after the influence regeneration, the operating mass with rated load of this active carbon vacuum electric desorption device has been improved, organic waste gas after the desorption passes through the condensation in addition, collect, the analysis, the processing of links such as separation, organic waste gas separates into aqueous phase and oil phase in the oil storage tank, the aqueous phase is sent into organic sewage treatment module and is handled, the oil phase is sent into in the condensate recovery module through the condensate delivery pump, but recycle after the refining, the environmental protection nature of this active carbon vacuum electric desorption device has been improved.
Drawings
FIG. 1 is an overall flow chart of the present invention;
fig. 2 is a schematic view of the inside of a second activated carbon adsorption tank of the present invention.
In the figure: 1. a first activated carbon adsorption tank; 2. a first adsorbent; 3. a second activated carbon adsorption tank; 4. a second adsorbent; 5. a desorption fan; 6. a water ring vacuum pump; 7. a condenser; 8. a gas-liquid separator; 9. an oil storage tank; 10. a condensate transfer pump; 11. a gas bypass valve; 12. VOCs on-line monitoring instrument; 13. an electric heater; 14. a temperature sensor; 15. a VOCs gas line; 16. a fresh water pipeline; 17. an organic sewage treatment module; 18. a condensate recovery module; 19. and (4) discharging the chimney at high altitude.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 2, the present invention provides a technical solution: an active carbon vacuum electric desorption device comprises a first active carbon adsorption tank 1, a second active carbon adsorption tank 3, a desorption fan 5, a VOCs gas pipeline 15, a fresh water pipeline 16, an organic sewage treatment module 17 and a condensate oil recovery module 18, wherein a first adsorbent 2 is arranged inside the first active carbon adsorption tank 1, a second adsorbent 4 is arranged inside the second active carbon adsorption tank 3, electric heaters 13 are respectively arranged inside the first active carbon adsorption tank 1 and the second active carbon adsorption tank 3, temperature sensors 14 are respectively arranged on the two electric heaters 13, the temperature of the inner cavity of the first active carbon adsorption tank 1 or the inner cavity of the second active carbon adsorption tank 3 heated by the electric heaters 13 is detected by the temperature sensors 14, the temperature of the desorbed air after heating is ensured to be less than or equal to 120 ℃, wherein the electric heaters 13 and the temperature sensors 14 are automatically controlled by a PLC arranged in the device, the output end of the VOCs gas pipeline 15 is provided with a gas bypass valve 11, the gas bypass valve 11 is respectively connected with the first activated carbon adsorption tank 1 and the second activated carbon adsorption tank 3 through air pipes, the air pipes connected with the gas bypass valve 11, the first activated carbon adsorption tank 1 and the second activated carbon adsorption tank 3 are respectively provided with an air inlet valve, the gas bypass valve 11 is connected with a VOCs online monitoring instrument 12 through the air pipes, one end of the VOCs online monitoring instrument 12 is connected with a high altitude discharge chimney 19, the first activated carbon adsorption tank 1 and the second activated carbon adsorption tank 3 are respectively connected with the VOCs online monitoring instrument 12 through the air pipes, the air pipes connected with the VOCs online monitoring instrument 12 and the first activated carbon adsorption tank 1 and the second activated carbon adsorption tank 3 are respectively provided with an air outlet valve, chain control is realized between the gas bypass valve 11 and the VOCs online monitoring instrument 12, when the gas concentration meets the discharge requirement, the gas is led to a high-altitude discharge chimney 19 through a gas bypass valve 11 to be discharged, a desorption fan 5 is respectively connected with a first activated carbon adsorption tank 1 and a second activated carbon adsorption tank 3 through air pipes, the air pipes connected with the desorption fan 5, the first activated carbon adsorption tank 1 and the second activated carbon adsorption tank 3 are respectively provided with a switch valve, the first activated carbon adsorption tank 1 and the second activated carbon adsorption tank 3 are respectively connected with a condenser 7 through the air pipes, the condenser 7 is respectively provided with a tail gas valve on the air pipes connected with the first activated carbon adsorption tank 1 and the second activated carbon adsorption tank 3, the condenser 7 is connected with a gas-liquid separator 8 through the air pipes, the output end of the gas-liquid separator 8 is connected with an oil storage tank 9 through the air pipes, the water pipes connected with the oil storage tank 9, the first activated carbon adsorption tank 1 and the second activated carbon adsorption tank 3 are respectively provided with drain valves, organic waste gas entering from the gas-liquid separator 8 is separated into a water phase and an oil phase through the oil storage tank 9, the oil phase is organic solvent, first active carbon adsorption case 1 and second active carbon adsorption case 3 are connected with oil storage tank 9 through the water pipe respectively, oil storage tank 9 is connected with organic sewage treatment module 17, utilize organic sewage treatment module 17 to handle the aqueous phase of oil storage tank 9 separation, oil storage tank 9 is connected with condensate oil delivery pump 10, the one end of condensate oil delivery pump 10 is connected with condensate oil recovery module 18, utilize condensate oil recovery module 18 to retrieve the oil phase of oil storage tank 9 separation, the one end of fresh water pipeline 16 is provided with water ring vacuum pump 6, the one end of water ring vacuum pump 6 is connected with desorption fan 5 and first active carbon adsorption case 1, the trachea that second active carbon adsorption case 3 is connected, the other end of water ring vacuum pump 6 is connected with condenser 7.
In conclusion, in the active carbon vacuum electric desorption device, when in use, the online VOCs monitoring instrument 12 detects the concentration of VOCs gas in the VOCs gas pipeline 15, when the emission requirement is met, the VOCs gas is discharged from the high-altitude discharge chimney 19, when the emission requirement is not met, the VOCs gas enters the first active carbon adsorption tank 1 and the second active carbon adsorption tank 3, the VOCs gas is treated by the first adsorbent 2 and the second adsorbent 4, the treated VOCs gas is discharged from the high-altitude discharge chimney 19, when the first adsorbent 2 or the second adsorbent 4 is saturated, the air inlet valve and the air outlet valve connected with the first active carbon adsorption tank 1 or the second active carbon adsorption tank 3 are closed, the tail gas valve and the drain valve connected with the first active carbon adsorption tank 1 or the second active carbon adsorption tank 3 are opened, the desorption fan 5, the water ring 6 and the electric heater 13 are opened at the same time, so that the air pressure in the inner cavity of the first activated carbon adsorption tank 1 or the second activated carbon adsorption tank 3 is reduced or changed into a vacuum state, the low pressure or vacuum is used for reducing the desorption temperature, meanwhile, the organic waste gas and the oil water attached to the activated carbon are separated by utilizing the property that the acting force of substances on the activated carbon is smaller as the pressure is smaller, the desorbed organic waste gas is introduced into the condenser 7, the condensed organic waste gas enters the gas-liquid separator 8, the organic waste gas is subjected to gas-liquid separation through the gas-liquid separator 8, the gas-liquid separated organic waste gas is separated into a water phase and an oil phase in the oil storage tank 9, in addition, the oil water desorbed in the first activated carbon adsorption tank 1 or the second activated carbon adsorption tank 3 also enters the oil storage tank 9, wherein the water phase is discharged into the organic sewage treatment module 17 for treatment, and the oil phase is discharged into the condensate recovery module 18 through the condensate delivery pump 10, and (4) finishing.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides an active carbon vacuum electric desorption device, includes first active carbon adsorption case (1), second active carbon adsorption case (3), desorption fan (5), VOCs gas pipeline (15), fresh water pipeline (16), organic sewage treatment module (17), condensate recovery module (18), its characterized in that: the adsorption device is characterized in that a first adsorbent (2) is arranged in the first activated carbon adsorption tank (1), a second adsorbent (4) is arranged in the second activated carbon adsorption tank (3), electric heaters (13) are respectively arranged in the first activated carbon adsorption tank (1) and the second activated carbon adsorption tank (3), two electric heaters (13) are respectively provided with a temperature sensor (14), a desorption fan (5) is respectively connected with the first activated carbon adsorption tank (1) and the second activated carbon adsorption tank (3) through air pipes, the first activated carbon adsorption tank (1) and the second activated carbon adsorption tank (3) are respectively connected with a condenser (7) through air pipes, the condenser (7) is connected with a gas-liquid separator (8) through an air pipe, and the output end of the gas-liquid separator (8) is connected with an oil storage tank (9) through an air pipe, first active carbon adsorption case (1) and second active carbon adsorption case (3) are connected with oil storage tank (9) through the water pipe respectively, oil storage tank (9) are connected with organic sewage treatment module (17), oil storage tank (9) are connected with condensate oil delivery pump (10), the one end of condensate oil delivery pump (10) is connected with condensate oil recovery module (18).
2. The activated carbon vacuum electric desorption device according to claim 1, which is characterized in that: the output of VOCs gas piping (15) is provided with gas bypass valve (11), gas bypass valve (11) are connected with first active carbon adsorption case (1) and second active carbon adsorption case (3) respectively through the tuber pipe, gas bypass valve (11) are connected with VOCs on-line monitoring instrument (12) through the tuber pipe, the one end of VOCs on-line monitoring instrument (12) is connected with high altitude emission chimney (19), first active carbon adsorption case (1) and second active carbon adsorption case (3) are connected with VOCs on-line monitoring instrument (12) through the tuber pipe respectively.
3. The activated carbon vacuum electric desorption device according to claim 1, which is characterized in that: the one end of fresh water pipeline (16) is provided with water ring vacuum pump (6), the trachea that the one end of water ring vacuum pump (6) is connected with desorption fan (5) and first active carbon adsorption case (1), second active carbon adsorption case (3), the other end of water ring vacuum pump (6) is connected with condenser (7).
4. The activated carbon vacuum electric desorption device according to claim 1, which is characterized in that: and the desorption fan (5) is respectively provided with a switch valve on the air pipes connected with the first activated carbon adsorption tank (1) and the second activated carbon adsorption tank (3).
5. The activated carbon vacuum electric desorption device according to claim 2, wherein: and air inlet valves are respectively arranged on air pipes connected with the gas bypass valve (11), the first activated carbon adsorption tank (1) and the second activated carbon adsorption tank (3).
6. The activated carbon vacuum electric desorption device according to claim 2, wherein: and air pipes connected with the first activated carbon adsorption tank (1) and the second activated carbon adsorption tank (3) of the VOCs online monitoring instrument (12) are respectively provided with an air outlet valve.
7. The activated carbon vacuum electric desorption device according to claim 1, which is characterized in that: and water drain valves are respectively arranged on water pipes connected with the first activated carbon adsorption tank (1) and the second activated carbon adsorption tank (3) in the oil storage tank (9).
8. The activated carbon vacuum electric desorption device according to claim 2, wherein: and exhaust valves are respectively arranged on air pipes connected with the condenser (7) and the first activated carbon adsorption tank (1) and the second activated carbon adsorption tank (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121499587.7U CN215388526U (en) | 2021-06-30 | 2021-06-30 | Active carbon vacuum electric desorption device |
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| CN202121499587.7U CN215388526U (en) | 2021-06-30 | 2021-06-30 | Active carbon vacuum electric desorption device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115337751A (en) * | 2022-09-06 | 2022-11-15 | 南京誉鼎环境科技有限公司 | Active carbon adsorption and regeneration circulation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115337751A (en) * | 2022-09-06 | 2022-11-15 | 南京誉鼎环境科技有限公司 | Active carbon adsorption and regeneration circulation system |
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