CN214551842U - Skid-mounted waste gas treatment system - Google Patents
Skid-mounted waste gas treatment system Download PDFInfo
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- CN214551842U CN214551842U CN202120374004.1U CN202120374004U CN214551842U CN 214551842 U CN214551842 U CN 214551842U CN 202120374004 U CN202120374004 U CN 202120374004U CN 214551842 U CN214551842 U CN 214551842U
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- heat exchanger
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- treatment system
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Abstract
The utility model discloses a sled dress formula exhaust-gas treatment system. It includes sled dress base, install the integrative heat exchanger of two-stage on sled dress base, regenerative heater and the dry filter equipment who connects gradually, zeolite runner and absorption fan, the chimney is connected to the absorption fan, dry filter equipment still connects the outlet pipeline of the integrative heat exchanger of two-stage through zeolite runner cooling zone, the desorption district of the integrative heat exchanger of two-stage through regenerative heater connection zeolite runner, the desorption district of zeolite runner connects gradually two-stage integrative heat exchanger again behind a desorption fan, spark arrester and catalytic combustion device, catalytic combustion device connects dry filter equipment's front end behind the integrative heat exchanger of two-stage. The beneficial effects are that: the debugging and use can be realized only by connecting the inlet and the outlet, so that the field installation workload is greatly reduced; the structure is more compact, and the occupied area is saved; the service life of the rotating wheel is prolonged; when the fan is abnormally stopped, the alarm can be given in time; the application of the rotating wheel in some high-humidity occasions is widened.
Description
Technical Field
The utility model relates to a waste gas treatment system, specifically speaking are sled dress formula waste gas treatment system belongs to organic waste gas treatment technical field.
Background
At present, aiming at organic waste gas with medium and large air volume and low concentration, the main treatment thought is as follows: the adsorption separation method is used for separating and concentrating VOCs with medium and large air volume and low concentration, and the concentrated high-concentration and small-air-volume polluted air is decomposed and purified by a combustion method, which is generally called as adsorption separation concentration and combustion decomposition purification methods.
Common zeolite rotating wheel and catalytic combustion equipment are purchased respectively, the delivery period is long, two sets of independent heat exchangers are generally adopted, the equipment has large floor area, more and complicated components and large field installation workload, and is not beneficial to the owner to recover the production as soon as possible; simultaneously, because the runner has certain hydroscopicity, can show the decline at the great occasion waste gas treatment efficiency of humidity, restricted the runner and added the use that sprays or wash the occasion at some front ends, in addition, some high boiling point material of adsorbing on the runner, desorption temperature that the conventionality set for is difficult to come out its desorption, and long-time operation can cause the runner pore to block up, influences the runner life-span.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a sled dress formula exhaust-gas treatment system that treatment effeciency is high, application scope is wide, the installation is swiftly convenient and long service life.
In order to solve the technical problem, the utility model discloses a sled dress formula exhaust-gas treatment system, including sled dress base, install the integrative heat exchanger of two-stage, regenerative heater on sled dress base and the dry-type filter equipment, zeolite runner and the absorption fan that connect gradually, be connected with the chimney on the output pipeline of absorption fan, dry-type filter equipment still connects through a desorption tube coupling through zeolite runner cooling area the export pipeline of the integrative heat exchanger of two-stage, No. two desorption pipelines of the integrative heat exchanger of two-stage are through the desorption area of regenerative heater connection zeolite runner, and the desorption area of zeolite runner connects gradually the integrative heat exchanger of two-stage, back-fire relief device and catalytic combustion device after connecting a desorption fan again, and catalytic combustion device connects filter equipment's front end behind the integrative heat exchanger of two-stage.
A desorption temperature control valve is arranged between the first desorption pipeline and the second desorption pipeline.
The flame arrester is arranged at the inlet of the catalytic combustion device.
And a desorption fresh air regulating valve is arranged at the inlet of the desorption fan.
And the pressure-equalizing difference meter is arranged at the inlet and the outlet of the adsorption fan and the desorption fan.
The two-stage integrated heat exchanger is provided with a heat source inlet and a heat source outlet and two cold source inlets and outlets.
And a heat source outlet of the two-stage integrated heat exchanger is connected with an inlet of the dry type filtering device.
The regenerative heater is an electric heating air duct type regenerative heater.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the two-stage integrated heat exchanger, the regenerative heater, the dry type filtering device, the zeolite rotating wheel and the adsorption fan which are sequentially connected are uniformly installed on the skid-mounted base, and can be debugged and used only by connecting the inlet and the outlet after being transported to the site, so that the site installation workload is greatly reduced.
2. The device uses a two-stage integrated heat exchanger, and the two-stage integrated heat exchanger is provided with a heat source inlet and a heat source outlet, and two cold source inlet and a cold source outlet, so that the two paths of gas can be subjected to heat exchange and temperature rise simultaneously, and compared with two independent single-stage heat exchangers, the device is more compact in structure and saves the occupied area.
3. Particularly, a desorption temperature regulating valve is arranged between the first desorption pipeline and the second desorption pipeline, the desorption temperature can be controlled by regulating the opening of the valve, meanwhile, a regenerative heater is arranged before a desorption inlet of the rotating wheel, the desorption gas can be periodically started and reheated to 300 ℃ for high-temperature desorption of the rotating wheel, residual high-boiling-point substances are removed, and the service life of the rotating wheel is prolonged.
4. Be provided with desorption new trend governing valve at desorption fan entry, when desorption gas concentration surpassed the preset range, adjustable desorption new trend valve aperture supplyes the new trend and dilutes, has guaranteed equipment operation safety, is provided with the spark arrester at the catalytic combustion device import, can prevent the flame diffusion when emergency appears, is equipped with the differential pressure table in absorption fan and desorption fan exit, can in time report to the police when the fan appears shutting down unusually.
5. After the catalytic combustion outlet waste gas is subjected to heat exchange to recover heat, the waste heat is utilized to heat and dehumidify the front end inlet waste gas, and the application of the rotating wheel in some high-humidity occasions is widened.
Drawings
Fig. 1 is the schematic structural diagram of the skid-mounted exhaust treatment system of the present invention.
Wherein, 1 is a dry type filtering device; 2 is a zeolite rotating wheel; 3 is a regenerative heater; 4 is an adsorption fan; 5 is a chimney; 6 is a desorption temperature regulating valve; 7 is a two-stage integrated heat exchanger; 8 is a catalytic combustion device; 9 is a flame arrester; 10 is a desorption fan; and 11 is a desorption fresh air regulating valve.
Detailed Description
The skid-mounted exhaust treatment system of the present invention will be described in further detail with reference to the accompanying drawings and description.
As shown in the figure, the utility model discloses a sled dress formula exhaust-gas treatment system, including sled dress base, install the integrative heat exchanger 7 of two-stage, regenerative heater 3 on sled dress base and the dry-type filter equipment 1, zeolite runner 2 and the adsorption fan 4 that connect gradually, be connected with chimney 5 on adsorption fan 4's the output pipeline, dry-type filter equipment 1 still through zeolite runner 2 cooling space through desorption tube coupling No. one No. two desorption pipelines of the integrative heat exchanger 7 of two-stage are through the desorption district of regenerative heater 3 connection zeolite runner 2, and it is visible by the figure, installs regenerative heater before the entry in desorption district, promptly: an electric heating air duct type regenerative heater 3 is arranged in front of a desorption inlet of the zeolite rotating wheel 2, and the electric heating air duct type regenerative heater can be periodically started to reheat desorption gas to 300 ℃ for high-temperature desorption of the rotating wheel, so that residual high-boiling-point substances in the desorption gas are removed, and the service life of the rotating wheel is prolonged; the desorption area of the zeolite rotating wheel 2 is connected with a desorption fan 10 and then sequentially connected with a two-stage integrated heat exchanger 7, a flame arrester 9 and a catalytic combustion device 8, the catalytic combustion device 8 is connected with the front end of the dry-type filtering device 1 after passing through the two-stage integrated heat exchanger 7, residual heat gas discharged after heat recovery through the two-stage integrated heat exchanger 7 is guided into the front end of the dry-type filtering device 1, and the residual heat is utilized to reduce the relative humidity of inlet air; certainly, the desorption fan 10, the flame arrester 9 and the catalytic combustion device 8 are also installed on the skid-mounted base, that is, all waste gas equipment except the chimney is installed on the whole skid-mounted base, so that the transportation is convenient, and the equipment is only needed to be connected with an inlet and an outlet after being transported to the site, so that the site workload can be greatly reduced.
Further, can also be equipped with desorption temperature control valve 6 between desorption pipeline and No. two desorption pipelines, can realize desorption temperature's control through the aperture of adjustment valve, desorption fan 10's the import department set up desorption new trend governing valve 11, when desorption gas concentration fluctuation surpassed the predetermined scope, adjust desorption new trend valve aperture and supply the new trend and dilute, guaranteed equipment operation safety, the pressure-equalizing gauge of the entry of adsorption fan 4 and desorption fan 10 of saying, can in time report to the police when the fan appears shutting down unusually.
Furthermore, the flame arrester 9 is arranged at an inlet of the catalytic combustion device 8, the two-stage integrated heat exchanger 7 is provided with a heat source inlet and a heat source outlet and two cold source inlets and outlets, and the heat source outlet of the two-stage integrated heat exchanger 7 is connected with the inlet of the dry-type filtering device 1, so that heat exchange and temperature rise can be simultaneously carried out on two paths of gas, the structure is more compact, and the occupied area is saved.
The working principle is as follows:
when the equipment normally adsorbs and works, the collected organic waste gas sequentially passes through the dry type filtering device 1 to remove particles, the adsorption area of the zeolite rotating wheel 2 and the adsorption fan 4 and then is discharged into the atmosphere through the chimney 5, so that the collected waste gas is pretreated by the dry type filter and then enters the adsorption area of the rotating wheel for adsorption, and the adsorbed gas is discharged after reaching the standard through the adsorption fan and the chimney;
when the equipment normally desorbs, waste gas pretreated by the dry filter enters the rotating wheel for desorption after passing through the zeolite rotating wheel cooling area, the two-stage integrated heat exchanger for temperature rise and the regenerative heater, desorbed high-concentration waste gas enters the catalytic combustion device for high-temperature catalysis after being preheated by the desorption fan and the two-stage integrated heat exchanger, and treated high-temperature gas is converged into the front end of the dry filter for temperature rise and humidity reduction treatment on inlet waste gas by using waste heat after part of heat is recovered by the two-stage integrated heat exchanger; specifically, a strand of gas led out from the outlet of the dry type filtering device 1 is cooled by a cooling area of the zeolite rotating wheel 2, then enters the two-stage integrated heat exchanger 7 for heat exchange and temperature rise, the heated gas is desorbed by the desorption area of the zeolite rotating wheel 2 after passing through the regenerative heater 3, the desorbed high-concentration waste gas enters the catalytic combustion device 8 for high-temperature catalytic decomposition after passing through the desorption fan 10, the two-stage integrated heat exchanger 7 for preheating and the flame arrester 9, and the treated high-temperature clean gas is converged into the front end of the dry type filtering device 1 for temperature rise and dehumidification of the inlet waste gas after heat recovery by the two-stage integrated heat exchanger 7.
Claims (8)
1. The utility model provides a sled dress formula exhaust-gas treatment system which characterized in that: comprises a skid-mounted base, a two-stage integrated heat exchanger (7) arranged on the skid-mounted base, a regenerative heater (3), and a dry type filtering device (1), a zeolite rotating wheel (2) and an adsorption fan (4) which are connected in sequence, a chimney (5) is connected on an output pipeline of the adsorption fan (4), the dry type filtering device (1) is also connected with an outlet pipeline of the two-stage integrated heat exchanger (7) through a first desorption pipeline in a cooling area of the zeolite rotating wheel (2), a second desorption pipeline of the two-stage integrated heat exchanger (7) is connected with a desorption area of the zeolite rotating wheel (2) through a regenerative heater (3), the desorption area of the zeolite rotating wheel (2) is connected with a desorption fan (10) and then sequentially connected with a two-stage integrated heat exchanger (7), a flame arrester (9) and a catalytic combustion device (8), the catalytic combustion device (8) passes through the two-stage integrated heat exchanger (7) and then is connected with the front end of the dry-type filtering device (1).
2. The skid-mounted exhaust treatment system according to claim 1, wherein: a desorption temperature regulating valve (6) is arranged between the first desorption pipeline and the second desorption pipeline.
3. The skid-mounted exhaust treatment system according to claim 1 or 2, wherein: the flame arrester (9) is arranged at the inlet of the catalytic combustion device (8).
4. The skid-mounted exhaust treatment system according to claim 3, wherein: and a desorption fresh air regulating valve (11) is arranged at the inlet of the desorption fan (10).
5. The skid-mounted exhaust treatment system according to claim 1, 2, or 4, wherein: and pressure-difference meters are arranged at the inlet and the outlet of the adsorption fan (4) and the outlet of the desorption fan (10).
6. The skid-mounted exhaust treatment system according to claim 5, wherein: the two-stage integrated heat exchanger (7) is provided with a heat source inlet and a heat source outlet and two cold source inlets and outlets.
7. The skid-mounted exhaust treatment system according to claim 6, wherein: and a heat source outlet of the two-stage integrated heat exchanger (7) is connected with an inlet of the dry type filtering device (1).
8. The skid-mounted exhaust treatment system according to claim 7, wherein: the regenerative heater (3) is an electric heating air duct type regenerative heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120374004.1U CN214551842U (en) | 2021-02-10 | 2021-02-10 | Skid-mounted waste gas treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120374004.1U CN214551842U (en) | 2021-02-10 | 2021-02-10 | Skid-mounted waste gas treatment system |
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| CN214551842U true CN214551842U (en) | 2021-11-02 |
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| CN202120374004.1U Active CN214551842U (en) | 2021-02-10 | 2021-02-10 | Skid-mounted waste gas treatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115445388A (en) * | 2022-09-23 | 2022-12-09 | 深圳市瑞秋卡森环保科技有限公司 | Lithium cell production exhaust-gas treatment and recovery unit |
| CN116036835A (en) * | 2022-12-28 | 2023-05-02 | 苏州绿朗环境科技有限公司 | Lithium battery electrolyte waste gas treatment system |
-
2021
- 2021-02-10 CN CN202120374004.1U patent/CN214551842U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115445388A (en) * | 2022-09-23 | 2022-12-09 | 深圳市瑞秋卡森环保科技有限公司 | Lithium cell production exhaust-gas treatment and recovery unit |
| CN115445388B (en) * | 2022-09-23 | 2023-10-31 | 深圳市瑞秋卡森环保科技有限公司 | Lithium battery production waste gas treatment and recovery device |
| CN116036835A (en) * | 2022-12-28 | 2023-05-02 | 苏州绿朗环境科技有限公司 | Lithium battery electrolyte waste gas treatment system |
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