CN207056253U - A kind of volatile organic waste gas high efficiency purifying processing device - Google Patents

A kind of volatile organic waste gas high efficiency purifying processing device Download PDF

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Publication number
CN207056253U
CN207056253U CN201720983606.0U CN201720983606U CN207056253U CN 207056253 U CN207056253 U CN 207056253U CN 201720983606 U CN201720983606 U CN 201720983606U CN 207056253 U CN207056253 U CN 207056253U
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CN
China
Prior art keywords
pipeline
heat exchanger
adsorption tanks
waste gas
desorption
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Expired - Fee Related
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CN201720983606.0U
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Chinese (zh)
Inventor
刘敬印
杨少康
吴斌
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Guangzhou Yun Hui Energy Environmental Protection Technology Co Ltd
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Guangzhou Yun Hui Energy Environmental Protection Technology Co Ltd
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Priority to CN201720983606.0U priority Critical patent/CN207056253U/en
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Abstract

The utility model discloses a kind of volatile organic waste gas high efficiency purifying processing device, including adsorption tanks, main air blower, it is desorbed blower fan, air preheat heat exchanger and heating by the exhaust gases heat exchanger, main air blower one end is exhaust gas inlet, the other end passes through the first pipeline communication adsorption tanks, adsorption tanks connect chimney by second pipe, adsorption tanks pass through the pipeline of the 3rd pipeline communication the 5th, adsorption tanks are respectively communicated with the 5th pipeline and the 7th pipeline by the 4th pipeline, 5th pipeline communication heating by the exhaust gases heat exchanger, 7th pipeline is respectively communicated with air preheat heat exchanger and desorption blower fan, the utility model structural principle is simple, automaticity is high, completely exhaust-gas treatment can be made to accomplish qualified discharge, reduce pollution of the waste gas to environment;Activated carbon can be reused, the problem of processing of activated carbon dangerous waste and secondary pollution no longer be present;It is furthermore possible to mitigate the financial burden that client handles dangerous waste processing to a certain extent;Desorption catalyzing oxidation processes are periodically carried out, make environmental protection mechanism of government be easy to supervise.

Description

A kind of volatile organic waste gas high efficiency purifying processing device
Technical field
Waste gas purification processing technology field is the utility model is related to, specially a kind of volatile organic waste gas high efficiency purification Processing unit.
Background technology
Investigated according to existing domestic market, currently for exhaust-gas treatment feelings caused by the metal plate painting workshop of automobile trading firm Condition, existing technology, substantially using charcoal absorption processing discharge, or directly discharged without processing.
Such as using the method for activated carbon processing, on the one hand, need to regularly replace activity.The activated carbon changed needs to carry out Dangerous waste processing.This brings certain economic pressures to enterprise to a certain extent.On the other hand, Some Enterprises are for economic ladder The consideration in face, in conjunction with the actual regulatory status of governmental environmental department, it substantially will not regularly replace activated carbon.In this feelings Under condition, it is difficult to ensure that waste gas qualified discharge.
The sale of automobile service shop overwhelming majority is located at bustlinier urban district, without sufficient space and place installation and operation Waste gas treatment equipment is a universal phenomenon.This also just has very high requirement to waste gas treatment equipment installing space.
Utility model content
The purpose of this utility model is to provide a kind of volatile organic waste gas high efficiency purifying processing device, with solution State the problem of being proposed in background technology.
To achieve the above object, the utility model provides following technical scheme:A kind of volatile organic waste gas high efficiency is net Change processing unit, including adsorption tanks, main air blower, desorption blower fan, air preheat heat exchanger and heating by the exhaust gases heat exchanger, the master Blower fan one end is exhaust gas inlet, and the other end connects cigarette by the first pipeline communication adsorption tanks, the adsorption tanks by second pipe Chimney, the adsorption tanks are respectively communicated with the 5th pipeline by the pipeline of the 3rd pipeline communication the 5th, the adsorption tanks by the 4th pipeline With the 7th pipeline, the 5th pipeline communication heating by the exhaust gases heat exchanger, the 7th pipeline is respectively communicated with air preheat heat exchanger With desorption blower fan;The air preheat heat exchanger also passes through the pipeline of the 6th pipeline communication the 7th;The desorption blower fan is provided with new Fresh air intake;
The heating by the exhaust gases heat exchanger connects catalytic bed by the 8th pipeline, is provided with and urges in the catalytic bed Change reaction temperature sensor, electric heater is installed on the 8th pipeline;It is pre- that the heating by the exhaust gases heat exchanger is also connected with air Heat exchanger;
Adsorption layer temperature sensor is installed in the adsorption tanks.
Preferably, exhaust gas inlet valve is installed on first pipeline;Absorption outlet is installed on the second pipe Valve;Desorption wind outlet valve is installed on the 3rd pipeline;Be provided with 4th pipeline desorption wind inlet valve and It is desorbed air temperature sensor;Desorption preheating by-passing valve is installed on the 5th pipeline;Preheating is installed on 6th pipeline Air adjustment valve;Fresh air bypath valve is installed on 7th pipeline.
Preferably, it is provided with active carbon bed in the adsorption tanks.
Preferably, the air preheat heat exchanger is provided with Waste gas outlet.
Compared with prior art, the beneficial effects of the utility model are:The utility model structural principle is simple, automates journey Degree is high, and exhaust-gas treatment can be made to accomplish qualified discharge completely, reduces pollution of the waste gas to environment;Activated carbon can be reused, The problem of processing of activated carbon dangerous waste and secondary pollution no longer be present;It is furthermore possible to a certain extent mitigate at client's processing dangerous waste The financial burden of reason;Desorption catalyzing oxidation processes are periodically carried out, make environmental protection mechanism of government be easy to supervise.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, the utility model provides a kind of technical scheme:A kind of volatile organic waste gas high efficiency purified treatment Device, including adsorption tanks 4, main air blower 2, desorption blower fan 9, air preheat heat exchanger 10 and heating by the exhaust gases heat exchanger 17, the master The one end of blower fan 2 is exhaust gas inlet 1, and the other end connects adsorption tanks 4 by the first pipeline 24, and the adsorption tanks 4 pass through second pipe 25 connection chimneys 7, the adsorption tanks 4 connect the 5th pipeline 27 by the 3rd pipeline 26, and the adsorption tanks 4 pass through the 4th pipeline 30 It is respectively communicated with the 5th pipeline 27 and the 7th pipeline 28, the 5th pipeline 27 connection heating by the exhaust gases heat exchanger 17, the 7th pipe Road 28 is respectively communicated with air preheat heat exchanger 10 and desorption blower fan 9;The air preheat heat exchanger 10 also passes through the 6th pipeline 31 Connect the 7th pipeline 28;Air preheat heat exchanger 10 is provided with Waste gas outlet 21;The desorption blower fan 9 is provided with fresh air Entrance 8;
The heating by the exhaust gases heat exchanger 17 connects catalytic bed 19 by the 8th pipeline 29, in the catalytic bed 19 Catalytic reaction temperature sensor 20 is provided with, the noble metal catalyst of metallic carrier is filled in catalytic bed, noble metal uses Pt, Pd etc.;The mesh number of catalyst carrier is the mesh of 200 mesh -300.
Electric heater 18 is installed on 8th pipeline 29;The heating by the exhaust gases heat exchanger 17 is also connected with air preheat and changed Hot device 10;
Adsorption layer temperature sensor 5 is installed in the adsorption tanks 4;Active carbon bed 22 is provided with adsorption tanks 4.
In the utility model, exhaust gas inlet valve 3 is installed on the first pipeline 24;Suction is installed on the second pipe 25 Attached outlet valve 6;Desorption wind outlet valve 15 is installed on the 3rd pipeline 26;Desorption is installed on 4th pipeline 30 Wind inlet valve 14 and desorption air temperature sensor 13;Desorption preheating by-passing valve 16 is installed on the 5th pipeline 27;It is described Preheated air control valve 11 is installed on 6th pipeline 31;Fresh air bypath valve is installed on 7th pipeline 28 12。
Operation principle:The utility model mainly has two operational processes:Waste gas adsorption process and waste gas desorption, catalysis oxidation Flow.In waste gas adsorption process, the waste gas containing volatile organic matter enters system from exhaust gas inlet, increases by main air blower Afterwards, by exhaust gas inlet valve, it is sent in adsorption tanks.After active carbon bed, the volatile organic matter in waste gas is lived Property layer of charcoal adsorption treatment is clean.Active carbon bed uses particle charcoal, or honeycomb briquet;Clean gas after processing, by absorption Outlet valve is emitted into chimney, or is directly discharged in environment.Accomplish safety, qualified discharge;In the adsorption process, main wind Machine is run, and exhaust gas inlet valve is in open mode with absorption outlet valve.Other valves are in closing or inoperative with part State.
In waste gas desorption, catalysis oxidation flow, main air blower is in run-stopping status, and exhaust gas inlet valve is with absorbing Mouth valve is closed.Air after being desorbed blower fan supercharging, passes through air preheat heat exchanger liter through fresh air inlet Temperature, temperature rise to 110 °C.Air after heating passes through preheated air control valve;After the valve, a temperature is provided with Spend sensor-desorption air temperature sensor.This sensor is used for the temperature for monitoring and feeding back the air after the preheating of the point.As taken off Attached air temperature sensor detects that the temperature feedback more than 110 °C, is then passed through control system by temperature to control system 23 23PID adjusts preheated air control valve and fresh air bypath valve, and is gradually reduced the aperture of preheated air control valve, Fresh air bypath valve is opened simultaneously, and is gradually opened greatly, until the temperature that desorption air temperature sensor detects progressively declines To 110 °C of set point, hereafter, the aperture of preheated air control valve and fresh air bypath valve is kept;Such as in the process of holding In, desorption air temperature sensor detects that temperature is less than 110 °C, to preheated air control valve and fresh air bypath valve Opposite operation is performed, the temperature that desorption air temperature sensor detects is reached 110 °C of setting value;Hereafter, keep pre- once again The aperture of hot air control valve door and fresh air bypath valve, reaches 110 after setting value °C of air and is entered by being desorbed wind Mouthful valve, into adsorption tanks, and in active carbon bed, elevated temperature desorption processing, activity are carried out to the organic matter adsorbed in layer of charcoal In charcoal bed, one temperature sensor-adsorption layer temperature sensor is set, adsorption layer temperature sensor is used to monitor active carbon bed Temperature, such as in desorption process whenever, when adsorption layer temperature sensor monitors to temperature are higher than a certain setting value.Control Desorption wind inlet valve is closed in the control of system 23 processed, opens system desorption preheating by-passing valve 16.Stop desorption, until adsorption layer temperature After the temperature that degree Sensor monitoring arrives is less than secure setting, then desorption wind inlet valve is opened, and it is other to close system desorption preheating Port valve, restart to be desorbed, the gas after desorption, enter heating by the exhaust gases heat exchanger by being desorbed wind outlet valve, carry out Heat, after preheating, then a certain setting value is continuously heating to by electric heater, the temperature is by catalytic reaction temperature sensor Monitoring.And the monitoring result is fed back into control system 23 in real time, control system 23 is anti-according to catalytic reaction temperature sensor Result is presented, adjusts the operation power of electric heater in real time, ensures waste gas after electric heater, temperature reaches setting value;Waste gas After electrical heating, into catalytic bed, catalytic decomposition handles the organic matter in waste gas to waste gas completely in catalytic bed Composition, the waste gas after catalytic treatment, become clean high-temperature flue gas.High-temperature flue gas first it is laggard cross heating by the exhaust gases heat exchanger and After air preheat heat exchanger, progress heat recovery and the processing that cools, by Waste gas outlet, safety dumping up to standard to environment In air.
The utility model structural principle is simple, and automaticity is high, completely exhaust-gas treatment can be made to accomplish qualified discharge, subtracted Few pollution of the waste gas to environment;Activated carbon can be reused, the problem of processing of activated carbon dangerous waste and secondary pollution no longer be present; It is furthermore possible to mitigate the financial burden that client handles dangerous waste processing to a certain extent;Desorption catalyzing oxidation processes are periodically carried out, Environmental protection mechanism of government is set to be easy to supervise.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of volatile organic waste gas high efficiency purifying processing device, including adsorption tanks(4), main air blower(2), desorption blower fan (9), air preheat heat exchanger(10)With heating by the exhaust gases heat exchanger(17), it is characterised in that:The main air blower(2)One end is waste gas Import(1), the other end passes through the first pipeline(24)Connect adsorption tanks(4), the adsorption tanks(4)Pass through second pipe(25)Connection Chimney(7), the adsorption tanks(4)Pass through the 3rd pipeline(26)Connect the 5th pipeline(27), the adsorption tanks(4)Pass through the 4th pipe Road(30)It is respectively communicated with the 5th pipeline(27)With the 7th pipeline(28), the 5th pipeline(27)Connect heating by the exhaust gases heat exchanger (17), the 7th pipeline(28)It is respectively communicated with air preheat heat exchanger(10)With desorption blower fan(9);The air preheat heat exchange Device(10)Also pass through the 6th pipeline(31)Connect the 7th pipeline(28);The desorption blower fan(9)It is provided with fresh air inlet (8);
The heating by the exhaust gases heat exchanger(17)Pass through the 8th pipeline(29)Connect catalytic bed(19), the catalytic bed (19)On be provided with catalytic reaction temperature sensor(20), the 8th pipeline(29)On electric heater is installed(18);It is described Heating by the exhaust gases heat exchanger(17)It is also connected with air preheat heat exchanger(10);
The adsorption tanks(4)Adsorption layer temperature sensor is inside installed(5).
A kind of 2. volatile organic waste gas high efficiency purifying processing device according to claim 1, it is characterised in that:It is described First pipeline(24)On exhaust gas inlet valve is installed(3);The second pipe(25)On absorption outlet valve is installed(6); 3rd pipeline(26)On be provided with desorption wind outlet valve(15);4th pipeline(30)On desorption wind inlet is installed Valve(14)With desorption air temperature sensor(13);5th pipeline(27)On be provided with desorption preheating by-passing valve(16);Institute State the 6th pipeline(31)On preheated air control valve is installed(11);7th pipeline(28)On be provided with by fresh air Port valve door(12).
A kind of 3. volatile organic waste gas high efficiency purifying processing device according to claim 1, it is characterised in that:It is described Adsorption tanks(4)It is interior to be provided with active carbon bed(22).
A kind of 4. volatile organic waste gas high efficiency purifying processing device according to claim 1, it is characterised in that:It is described Air preheat heat exchanger(10)It is provided with Waste gas outlet(21).
CN201720983606.0U 2017-08-08 2017-08-08 A kind of volatile organic waste gas high efficiency purifying processing device Expired - Fee Related CN207056253U (en)

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CN201720983606.0U CN207056253U (en) 2017-08-08 2017-08-08 A kind of volatile organic waste gas high efficiency purifying processing device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107261747A (en) * 2017-08-08 2017-10-20 广州云汇能源环保科技有限公司 A kind of volatile organic waste gas high efficiency purifying processing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107261747A (en) * 2017-08-08 2017-10-20 广州云汇能源环保科技有限公司 A kind of volatile organic waste gas high efficiency purifying processing device

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Granted publication date: 20180302

Termination date: 20200808