CN210544220U - High-temperature activation system for waste gas treatment - Google Patents
High-temperature activation system for waste gas treatment Download PDFInfo
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- CN210544220U CN210544220U CN201920895708.6U CN201920895708U CN210544220U CN 210544220 U CN210544220 U CN 210544220U CN 201920895708 U CN201920895708 U CN 201920895708U CN 210544220 U CN210544220 U CN 210544220U
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- 239000002912 waste gas Substances 0.000 title claims abstract description 38
- 230000004913 activation Effects 0.000 title claims abstract description 22
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 45
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000010457 zeolite Substances 0.000 claims abstract description 45
- 238000007084 catalytic combustion reaction Methods 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims abstract description 13
- 238000001179 sorption measurement Methods 0.000 claims abstract description 5
- 238000003795 desorption Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 9
- 238000011084 recovery Methods 0.000 abstract description 2
- 239000012855 volatile organic compound Substances 0.000 description 16
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Treating Waste Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Incineration Of Waste (AREA)
Abstract
The utility model discloses an exhaust-gas treatment high temperature activation system, exhaust-gas treatment high temperature activation system includes: the device comprises a zeolite rotating wheel, a catalytic combustion furnace, a pipeline heater, a primary heat exchanger, a secondary heat exchanger, a flame arrester, a plurality of fans, a plurality of valves and an exhaust funnel; the zeolite rotating wheel receives waste gas through a first pipeline, the zeolite rotating wheel is connected with the exhaust funnel through a second pipeline and a first adsorption fan, and the zeolite rotating wheel is connected with a first input end of the primary heat exchanger through a third pipeline; the zeolite rotating wheel is connected with the pipeline heater through a fourth pipeline, the pipeline heater is connected with a first output end of the primary heat exchanger, the pipeline heater is connected with a first fresh air conveying pipeline, and the first fresh air conveying pipeline is provided with a first valve. The utility model provides a waste gas treatment high temperature activation system and method can realize that zeolite runner performance activates the recovery fast.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection equipment, a waste gas treatment system is related to, especially, relate to a waste gas treatment high temperature activation system.
Background
VOCs waste gas is provided with power by an adsorption fan, the VOCs waste gas is adsorbed by a zeolite rotating wheel and then reaches the standard and is discharged, the VOCs waste gas adsorbed on the zeolite rotating wheel is combusted by a catalytic combustion furnace to emit a large amount of heat with the temperature of about 450 ℃ and is introduced from a suction inlet of the zeolite rotating wheel to be used for cooling the zeolite rotating wheel to carry out heat exchange with a primary heat exchanger to 220 ℃, the VOCs waste gas adsorbed on the zeolite rotating wheel is desorbed, the temperature is increased to the ignition temperature of the VOCs waste gas of 260 ℃ by a secondary heat exchanger and is sent into the catalytic combustion furnace, the VOCs waste gas is completely oxidized and decomposed to CO2 and H2O under the; when the concentration of the VOCs waste gas at the inlet is low, if the desorption temperature of the zeolite rotating wheel is not 220 ℃ and the ignition temperature of the VOCs waste gas is not 260 ℃, the temperature is required to be increased by heating through an additional heater (a burner or an electric heater). The desorption fan and the high-temperature fan provide power for the desorption catalytic combustion process. The process is a VOCs waste gas zeolite rotating wheel and catalytic combustion furnace treatment process, and is widely applied in industry.
Most of VOCs waste gas components in actual industrial production are very complex, different organic matters have different boiling points and are mutually influenced after being mixed, particularly, the organic matters with the boiling points of 180 ℃ are desorbed at the temperature lower than 220 ℃ and have partial residues after each desorption, and the zeolite rotating wheel treatment efficiency is gradually reduced along with the accumulation of time.
In practical application, the zeolite rotating wheel is expensive, long in purchasing period and inconvenient to replace, and once the zeolite rotating wheel fails and cannot be used continuously, the zeolite rotating wheel is replaced, so that normal production cannot be continued and the construction period is long.
In view of the above, there is an urgent need for a new process for activating the properties of zeolite runner quickly to restore the original properties.
SUMMERY OF THE UTILITY MODEL
The utility model provides a waste gas treatment high temperature activation system can realize that quick activation of zeolite runner performance resumes.
For solving the technical problem, according to the utility model discloses an aspect adopts following technical scheme:
an exhaust gas treatment high temperature activation system, comprising: the device comprises a zeolite rotating wheel, a catalytic combustion furnace, a pipeline heater, a primary heat exchanger, a secondary heat exchanger, a flame arrester, a plurality of fans, a plurality of valves and an exhaust funnel;
the zeolite rotating wheel receives waste gas through a first pipeline, the zeolite rotating wheel is connected with the exhaust funnel through a second pipeline and a first adsorption fan, and the zeolite rotating wheel is connected with a first input end of the primary heat exchanger through a third pipeline;
the zeolite rotating wheel is connected with the pipeline heater through a fourth pipeline, the pipeline heater is connected with a first output end of the primary heat exchanger, the pipeline heater is connected with a first fresh air conveying pipeline, and the first fresh air conveying pipeline is provided with a first valve;
the zeolite rotating wheel is respectively connected with a first input end of the secondary heat exchanger, a first output end of the secondary heat exchanger, a second input end of the primary heat exchanger and the exhaust funnel through a fifth pipeline;
the first part of the fifth pipeline is connected with a second fresh air conveying pipeline, and the second fresh air conveying pipeline is provided with two valves; a fifth pipeline is connected with the first input end of the secondary heat exchanger, and a third valve and a first desorption fan are arranged between the fifth pipeline and the first input end of the secondary heat exchanger; a fourth valve is arranged on the second part of the fifth pipeline; the fifth pipeline is connected with the second output end of the secondary heat exchanger, and a sixth valve is arranged between the fifth pipeline and the second output end of the secondary heat exchanger; a fourth part of the fifth pipeline is provided with a fifth valve; the fifth pipeline is connected with the second input end of the primary heat exchanger, and an eighth valve is arranged between the fifth pipeline and the second input end of the primary heat exchanger; a high-temperature fan is arranged on the fifth part of the fifth pipeline; the sixth part of the fifth pipeline is connected with a third fresh air conveying pipeline, and the third fresh air conveying pipeline is provided with a ninth valve;
the second output end of the primary heat exchanger is connected with the first input end of the secondary heat exchanger; the second output end of the secondary heat exchanger is connected with the first end of a flame arrester, and the second end of the flame arrester is connected with the first end of the catalytic combustion furnace; the catalytic combustion furnace is provided with a catalytic combustion furnace heater, the second end of the catalytic combustion furnace is connected with the second input end of the primary heat exchanger, and a seventh valve is arranged between the second end of the catalytic combustion furnace and the second input end of the primary heat exchanger.
As an embodiment of the present invention, a temperature sensor is provided on each pipe.
The beneficial effects of the utility model reside in that: the utility model provides a waste gas treatment high temperature activation system and method can realize that zeolite runner performance activates the recovery fast.
Drawings
Fig. 1 is a schematic diagram of the composition of an exhaust gas treatment high-temperature activation system according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
For further understanding of the present invention, preferred embodiments of the present invention will be described below with reference to examples, but it should be understood that these descriptions are only for the purpose of further illustrating the features and advantages of the present invention, and are not intended to limit the claims of the present invention.
The description in this section is for exemplary embodiments only, and the present invention is not limited to the scope of the embodiments described. The same or similar prior art means and some technical features of the embodiments are mutually replaced and are also within the scope of the description and the protection of the invention.
The utility model discloses a waste gas treatment high temperature activation system, and figure 1 is a schematic composition diagram of the waste gas treatment high temperature activation system in an embodiment of the utility model; referring to fig. 1, in an embodiment of the present invention, the system for treating exhaust gas includes: zeolite runner 1, catalytic combustion furnace 2, pipe heater 3, primary heat exchanger 4, secondary heat exchanger 5, spark arrester 6, a plurality of fans, a plurality of valves and aiutage 7.
The zeolite rotating wheel 1 receives waste gas through a first pipeline, the zeolite rotating wheel 1 is connected with an exhaust funnel 7 through a second pipeline and a first adsorption fan 8, and the zeolite rotating wheel 1 is connected with a first input end of a primary heat exchanger 4 through a third pipeline.
The zeolite rotating wheel 1 is connected with the pipeline heater 3 through a fourth pipeline, the pipeline heater 3 is connected with a first output end of the primary heat exchanger 4, the pipeline heater 3 is connected with a first fresh air conveying pipeline, and the first fresh air conveying pipeline is provided with a first valve 11.
The zeolite rotating wheel 1 is respectively connected with a first input end of the secondary heat exchanger 5, a first output end of the secondary heat exchanger 5, a second input end of the primary heat exchanger 4 and the exhaust funnel 7 through a fifth pipeline.
The first part of the fifth pipeline is connected with a second fresh air conveying pipeline, and the second fresh air conveying pipeline is provided with two valves 12; a fifth pipeline is connected with the first input end of the secondary heat exchanger 5, and a third valve 13 and a first desorption fan 9 are arranged between the fifth pipeline and the first input end of the secondary heat exchanger 5; a fourth valve 14 is arranged at the second part of the fifth pipeline; the fifth pipeline is connected with the second output end of the secondary heat exchanger 5, and a sixth valve 16 is arranged between the fifth pipeline and the second output end of the secondary heat exchanger 5; a fourth part of the fifth pipeline is provided with a fifth valve 15; the fifth pipeline is connected with the second input end of the primary heat exchanger 4, and an eighth valve 18 is arranged between the fifth pipeline and the second input end of the primary heat exchanger 4; a high-temperature fan 10 is arranged at the fifth part of the fifth pipeline; the sixth part of the fifth pipeline is connected with a third fresh air conveying pipeline, and the third fresh air conveying pipeline is provided with a ninth valve 19.
The second output end of the primary heat exchanger 4 is connected with the first input end of the secondary heat exchanger 5; the second output end of the secondary heat exchanger 5 is connected with the first end of a flame arrester 6, and the second end of the flame arrester 6 is connected with the first end of the catalytic combustion furnace 2; the catalytic combustion furnace 2 is provided with a catalytic combustion furnace heater 21, the second end of the catalytic combustion furnace 2 is connected with the second input end of the primary heat exchanger 4, and a seventh valve 17 is arranged between the second end of the catalytic combustion furnace 2 and the second input end of the primary heat exchanger 4.
In an embodiment of the present invention, a temperature sensor is disposed on each pipeline, and the pipelines can be controlled in an interlocking manner.
A high-temperature activation method of the exhaust gas treatment high-temperature activation system, the high-temperature activation method comprising:
controlling a first valve to be opened, enabling fresh air to enter a pipeline heater through a first fresh air conveying pipeline, and heating the fresh air to a first temperature by the pipeline heater;
high-temperature hot air at a first temperature enters the zeolite rotating wheel, high-temperature activation desorption is carried out on the zeolite rotating wheel, most of residual VOCs waste gas of the zeolite rotating wheel is desorbed, the temperature of the desorbed waste gas is a second temperature, and the desorbed waste gas contains a large amount of VOCs waste gas;
controlling the fourth valve and the sixth valve to be closed, and enabling waste gas containing a large amount of VOCs to enter the catalytic combustion furnace through the fourth valve, the sixth valve and the flame arrester;
the waste gas before entering the catalytic combustion furnace does not reach the ignition temperature, is heated to the ignition temperature through a heater of the catalytic combustion furnace, is decomposed into CO2 and H2O under the action of a noble metal catalyst, and releases heat to enable the temperature of the decomposed gas to reach a third temperature;
and controlling the eighth valve to be closed and the ninth valve to be opened, so that the temperature of the waste gas entering the high-temperature fan is reduced to a fourth temperature, and the waste gas is sent into the exhaust funnel to reach the standard and is discharged.
In an embodiment of the present invention, the first valve ZV-201 is opened and the fresh air enters the pipe heater and is heated to 300 ℃. The hot-blast high temperature of 300 ℃ carries out high temperature activation desorption to above-mentioned zeolite runner, and the remaining VOCs waste gas of zeolite runner can almost all be desorbed out this moment, and the exhaust gas temperature that the desorption was come out is about 200 ℃, and contains a large amount of VOCs waste gas. The waste gas containing a large amount of VOCs at about 200 ℃ enters the catalytic combustion furnace through a fourth valve ZV-204, a sixth valve ZV-206 and a flame arrester. The waste gas does not reach the ignition temperature of 260 ℃, is heated to the ignition temperature by a heater of a catalytic combustion furnace and is completely decomposed into CO under the action of a noble metal catalyst2And H2O and heat is evolved so that the gas temperature after decomposition is about 400 ℃. And the 400 ℃ gas passes through an eighth valve ZV-208, and a ninth valve ZV-209 is opened, so that the temperature of the waste gas entering the high-temperature fan is reduced to about 200 ℃, and the waste gas is sent into an exhaust funnel to reach the standard and be discharged. The exhaust gas passing through the zeolite wheel at 300 c may last for about 1 hour.
To sum up, the utility model provides a waste gas treatment high temperature activation system and method can realize that the quick activation of zeolite runner performance resumes.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The description and applications of the present invention are illustrative and are not intended to limit the scope of the invention to the embodiments described above. Variations and modifications of the embodiments disclosed herein are possible, and alternative and equivalent various components of the embodiments will be apparent to those skilled in the art. It will be clear to those skilled in the art that the present invention may be embodied in other forms, structures, arrangements, proportions, and with other components, materials, and parts, without departing from the spirit or essential characteristics thereof. Other variations and modifications of the embodiments disclosed herein may be made without departing from the scope and spirit of the present invention.
Claims (2)
1. An exhaust gas treatment high temperature activation system, comprising: the device comprises a zeolite rotating wheel, a catalytic combustion furnace, a pipeline heater, a primary heat exchanger, a secondary heat exchanger, a flame arrester, a plurality of fans, a plurality of valves and an exhaust funnel;
the zeolite rotating wheel receives waste gas through a first pipeline, the zeolite rotating wheel is connected with the exhaust funnel through a second pipeline and a first adsorption fan, and the zeolite rotating wheel is connected with a first input end of the primary heat exchanger through a third pipeline;
the zeolite rotating wheel is connected with the pipeline heater through a fourth pipeline, the pipeline heater is connected with a first output end of the primary heat exchanger, the pipeline heater is connected with a first fresh air conveying pipeline, and the first fresh air conveying pipeline is provided with a first valve;
the zeolite rotating wheel is respectively connected with a first input end of the secondary heat exchanger, a first output end of the secondary heat exchanger, a second input end of the primary heat exchanger and the exhaust funnel through a fifth pipeline;
the first part of the fifth pipeline is connected with a second fresh air conveying pipeline, and the second fresh air conveying pipeline is provided with two valves; a fifth pipeline is connected with the first input end of the secondary heat exchanger, and a third valve and a first desorption fan are arranged between the fifth pipeline and the first input end of the secondary heat exchanger; a fourth valve is arranged on the second part of the fifth pipeline; the fifth pipeline is connected with the second output end of the secondary heat exchanger, and a sixth valve is arranged between the fifth pipeline and the second output end of the secondary heat exchanger; a fourth part of the fifth pipeline is provided with a fifth valve; the fifth pipeline is connected with the second input end of the primary heat exchanger, and an eighth valve is arranged between the fifth pipeline and the second input end of the primary heat exchanger; a high-temperature fan is arranged on the fifth part of the fifth pipeline; the sixth part of the fifth pipeline is connected with a third fresh air conveying pipeline, and the third fresh air conveying pipeline is provided with a ninth valve;
the second output end of the primary heat exchanger is connected with the first input end of the secondary heat exchanger; the second output end of the secondary heat exchanger is connected with the first end of a flame arrester, and the second end of the flame arrester is connected with the first end of the catalytic combustion furnace; the catalytic combustion furnace is provided with a catalytic combustion furnace heater, the second end of the catalytic combustion furnace is connected with the second input end of the primary heat exchanger, and a seventh valve is arranged between the second end of the catalytic combustion furnace and the second input end of the primary heat exchanger.
2. The exhaust gas treatment high temperature activation system of claim 1, wherein:
each pipeline is provided with a temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920895708.6U CN210544220U (en) | 2019-06-14 | 2019-06-14 | High-temperature activation system for waste gas treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920895708.6U CN210544220U (en) | 2019-06-14 | 2019-06-14 | High-temperature activation system for waste gas treatment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112076590A (en) * | 2019-06-14 | 2020-12-15 | 上海恒奕环境科技有限公司 | High-temperature activation system and method for waste gas treatment |
| TWI738444B (en) * | 2020-07-30 | 2021-09-01 | 華懋科技股份有限公司 | Energy-saving single-rotor high-concentration cold side passing temperature control system and method |
| TWI745007B (en) * | 2020-07-30 | 2021-11-01 | 華懋科技股份有限公司 | Energy-saving single runner cold side passing temperature control system and method |
-
2019
- 2019-06-14 CN CN201920895708.6U patent/CN210544220U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112076590A (en) * | 2019-06-14 | 2020-12-15 | 上海恒奕环境科技有限公司 | High-temperature activation system and method for waste gas treatment |
| CN112076590B (en) * | 2019-06-14 | 2024-08-30 | 上海恒奕环境科技有限公司 | High-temperature activation system and method for waste gas treatment |
| TWI738444B (en) * | 2020-07-30 | 2021-09-01 | 華懋科技股份有限公司 | Energy-saving single-rotor high-concentration cold side passing temperature control system and method |
| TWI745007B (en) * | 2020-07-30 | 2021-11-01 | 華懋科技股份有限公司 | Energy-saving single runner cold side passing temperature control system and method |
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Granted publication date: 20200519 |
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