CN205586753U - Control system for industry organic waste gas VOCs treatment facility - Google Patents
Control system for industry organic waste gas VOCs treatment facility Download PDFInfo
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- CN205586753U CN205586753U CN201620311866.9U CN201620311866U CN205586753U CN 205586753 U CN205586753 U CN 205586753U CN 201620311866 U CN201620311866 U CN 201620311866U CN 205586753 U CN205586753 U CN 205586753U
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Abstract
The utility model discloses a control system for industry organic waste gas VOCs treatment facility, through the VOCs detector that admits air, the VOCs detector of giving vent to anger feeds back to PLC control system with the waste gas VOCs content value that detects respectively, PLC control system is through contrasting with preset content value, the air inlet of difference controlling ratio valve and the valve actuator's of circulation wind gap department switching, the switching of regulating controlling power and exhaust emissions valve is in order to carry out photolysis and emission to waste gas VOCs. The utility model discloses the photolysis is carried out in order to satisfy to the VOCs burst size that changes at any time to rational in infrastructure, the full -automatic infinitely variable control function of realization, realizes energy -conserving effect, satisfies handling requiring and reaching tail gas emission standard, is an extensive control system for industry organic waste gas VOCs treatment facility.
Description
Technical field
This utility model relates to a kind of organic exhaust gas VOCs processing equipment, a kind of control system being applied to industrial organic exhaust gas VOCs processing equipment.
Background technology
In equipment factory, Furniture Factory etc. needs the workshop of painting can produce a large amount of organic VOCs waste gas, and air can be caused severe contamination and then affect health by the unprocessed direct discharge of VOCs waste gas.Existing organic exhaust gas VOCs processing equipment is the most reasonable due to internal structure and Control System Design, can not meet in processing procedure and the VOCs burst size changed at any time is carried out photolysis, cause energy consumption big, and treatment effect is bad, exhaust emissions after process does not reaches requirement yet, for disadvantages mentioned above, it is necessary to make improvement.
Utility model content
In order to overcome the deficiencies in the prior art, this utility model provide a kind of rational in infrastructure, realize Full-automatic stepless regulatory function, to meet, the VOCs burst size changed at any time carried out photolysis, it is achieved energy-saving effect, meet to process and require and reach the control system being applied to industrial organic exhaust gas VOCs processing equipment of exhaust emission standard.
This utility model solves its technical problem and be the technical scheme is that
A kind of control system being applied to industrial organic exhaust gas VOCs processing equipment, including proportioning valve, blower fan, carries out reative cell and the exhaust relief valve of photodissociation to VOCs；Described proportioning valve is three-way valve, including air inlet, gas outlet and circulating air opening, it is provided with valve actuator at air inlet and circulating air opening, the gas outlet of described proportioning valve is connected with the air inlet of blower fan by pipeline I, the air outlet of described blower fan is connected with the inlet end of reative cell by pipeline II, the outlet side of described reative cell is connected with exhaust relief valve by pipeline III, and the circulating air opening of described proportioning valve is connected with pipeline III by pipeline IV；It is positioned at reative cell and is provided with the quartzy UV pipe for generating dual wavelength high energy ultraviolet, described quartz UV pipe connects bilaterally adjustable control power supply, being respectively equipped with air inlet VOCs detector and VOCs detector of giving vent to anger on described pipeline II and pipeline III, the valve actuator of described proportioning valve, exhaust relief valve, control power supply, air inlet VOCs detector, VOCs detector of giving vent to anger all electrically connect with PLC control system；The waste gas VOCs content value detected is fed back to PLC control system by described air inlet VOCs detector, VOCs detector of giving vent to anger respectively, PLC control system by with preset content value and contrast, control the opening and closing of valve actuator at the air inlet of proportioning valve and circulating air opening respectively, adjust and control the opening and closing of power and exhaust relief valve so that waste gas VOCs is carried out photolysis and discharge.
The beneficial effects of the utility model are: the waste gas VOCs content value detected is fed back to PLC control system by air inlet VOCs detector, VOCs detector of giving vent to anger by this control system respectively, PLC control system by with preset content value and contrast, control the opening and closing of valve actuator at the air inlet of proportioning valve and circulating air opening respectively, adjust and control the opening and closing of power and exhaust relief valve so that waste gas VOCs is carried out photolysis and discharge.When air inlet VOCs detector detects that the VOCs content entering reative cell presets content value raise/lower compared to PLC control system or VOCs detector of giving vent to anger detects from reative cell VOCs content raise/lower out when, PLC control system is by increasing/reduce the output of bilaterally adjustable control power to control the release of the ultraviolet of quartz UV pipe for increasing/slow down photolysis amount；Simultaneously, at the air inlet of proportioning valve and circulating air opening, valve actuator, exhaust relief valve also can receive the instruction of PLC control system and start opening-closing size to control air inflow, circulation of tail gas amount, the air quantity of exhaust emissions amount, achieve Full-automatic stepless by the cooperation of above-mentioned all parts to regulate, ensure the seriality of photolysis, serve good energy-saving effect, meet process and require, reached exhaust emission standard.
Accompanying drawing explanation
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the block diagram of control system in this utility model.
Detailed description of the invention
With reference to Fig. 1, Fig. 2, a kind of control system being applied to industrial organic exhaust gas VOCs processing equipment, including proportioning valve 1, blower fan 2, the reative cell 3 that VOCs carries out photodissociation and exhaust relief valve 4；Described proportioning valve 1 is three-way valve, including air inlet, gas outlet and circulating air opening, it is provided with valve actuator at air inlet and circulating air opening, the gas outlet of described proportioning valve 1 is connected with the air inlet of blower fan 2 by pipeline I 11, the air outlet of described blower fan 2 is connected with the inlet end of reative cell 3 by pipeline II 12, the outlet side of described reative cell 3 is connected with exhaust relief valve 4 by pipeline III 13, and the circulating air opening of described proportioning valve 1 is connected with pipeline III 13 by pipeline IV 14；It is positioned at reative cell 3 and is provided with the quartzy UV pipe 5 for generating dual wavelength high energy ultraviolet, described quartz UV pipe 5 connects bilaterally adjustable control power supply 6, being respectively equipped with air inlet VOCs detector 7 and VOCs detector 8 of giving vent to anger on described pipeline II 12 and pipeline III 13, the valve actuator of described proportioning valve 1, exhaust relief valve 4, control power supply 6, air inlet VOCs detector 7, VOCs detector 8 of giving vent to anger all electrically connect with PLC control system；The waste gas VOCs content value detected is fed back to PLC control system by described air inlet VOCs detector 7, VOCs detector 8 of giving vent to anger respectively, PLC control system by with preset content value and contrast, control the opening and closing of valve actuator at the air inlet of proportioning valve 1 and circulating air opening respectively, adjust and control the opening and closing of power supply 6 power and exhaust relief valve 4 so that waste gas VOCs is carried out photolysis and discharge.
In this utility model, described valve actuator includes slide rheostat and the adjustable valve with slide rheostat linkage.
The waste gas VOCs content value detected is fed back to PLC control system by air inlet VOCs detector 7, VOCs detector 8 of giving vent to anger by this control system respectively, PLC control system by with preset content value and contrast, control the opening and closing of valve actuator at the air inlet of proportioning valve 1 and circulating air opening respectively, adjust and control the opening and closing of power supply 6 power and exhaust relief valve 4 so that waste gas VOCs is carried out photolysis and discharge.
When air inlet VOCs detector 7 detects that the VOCs content entering reative cell 3 presets content value compared to PLC control system and raises or VOCs detector 8 of giving vent to anger detects the when of rising from reative cell 3 VOCs content out, and PLC control system is used for increasing photolysis amount with the release controlling the ultraviolet of quartz UV pipe by increasing the output of bilaterally adjustable control power supply 6 power.
When air inlet VOCs detector 7 detects that the VOCs content entering reative cell 3 presets content value compared to PLC control system and reduces or VOCs detector 8 of giving vent to anger detects the when of reduction from reative cell 3 VOCs content out, and PLC control system is used for slowing down photolysis amount with the release controlling the ultraviolet of quartz UV pipe by reducing the output of bilaterally adjustable control power supply 6 power.
Simultaneously, this utility model jointly acts on VOCs detector 8 of giving vent to anger by utilizing air inlet VOCs detector 7 and contrasts with the value (this value can be by alteration in demand after increasing touch screen) that arranges being set in advance in PLC control system, and current proportioning valve 1 air inlet and circulating air opening opening value are compared with corresponding valve actuator linkage swept resistance actual resistance, calculate required regulated quantity and this regulated quantity is exported valve actuator controlling opening of valve to required value, thus control air inflow and the air circulation of industrial waste gas, and the waste gas qualified discharge handled by aperture guarantee of exhaust relief valve 4 can be controlled simultaneously.
Such as, detect that VOCs content is less than setting value (such as 100mg/m when VOCs detector 8 of giving vent to anger3) time, exhaust relief valve 4 standard-sized sheet, the air inlet of proportioning valve 1 and circulating air opening standard-sized sheet (100%), control power supply 6 slowly reduces power output, until ought give vent to anger VOCs detector 8 detect VOCs content close to setting value, vice versa.Thus reach to regulate response strength, form the control loop of a closed loop, multiple different production technology demand can be met, carry out full automatic step-less adjustment, ensure the reative cell 3 seriality to waste gas VOCs photolysis, and owing to have employed the emission control systems of hot tail gas detection, contrast does not use the general processing equipment of this control system, native system, on the basis of more saving the energy, meets process and requires, reached exhaust emission standard.
In this utility model, it is provided with temperature monitoring 9 in described reative cell 3, described temperature monitoring 9 electrically connects with PLC control system, acousto-optic alarm device is connected with PLC control system, temperature data in reative cell 3 is fed back to PLC control system by described temperature monitoring 9, when temperature data is higher than PLC control system preset security temperature, PCL control system closing control power supply 6 also starts acoustic-optic alarm with prompting this equipment of maintenance.
Wherein, described temperature monitoring 9 is thermoelectricity occasionally thermal resistance or red, ultraviolet temperature measurer.
At said structure effectively guarantee, process gases ensures on the premise of fully reacting that the safety of reaction is carried out.
This utility model is rational in infrastructure, realize Full-automatic stepless regulatory function carries out photolysis to meet to the VOCs burst size changed at any time, realize energy-saving effect, meet process requirement and reach exhaust emission standard, be a kind of control system being widely used in industrial organic exhaust gas VOCs processing equipment.
Claims (4)
1. the control system being applied to industrial organic exhaust gas VOCs processing equipment, it is characterised in that: include proportioning valve (1), blower fan (2), the reative cell (3) that VOCs is carried out photodissociation and exhaust relief valve (4)；Described proportioning valve (1) is three-way valve, including air inlet, gas outlet and circulating air opening, it is provided with valve actuator at air inlet and circulating air opening, the gas outlet of described proportioning valve (1) is connected with the air inlet of blower fan (2) by pipeline I (11), the air outlet of described blower fan (2) is connected with the inlet end of reative cell (3) by pipeline II (12), the outlet side of described reative cell (3) is connected with exhaust relief valve (4) by pipeline III (13), and the circulating air opening of described proportioning valve (1) is connected with pipeline III (13) by pipeline IV (14)；It is positioned at reative cell (3) and is provided with quartzy UV pipe (5) for generating dual wavelength high energy ultraviolet, described quartz UV pipe (5) connects bilaterally adjustable control power supply (6), being respectively equipped with air inlet VOCs detector (7) and VOCs detector (8) of giving vent to anger on described pipeline II (12) and pipeline III (13), the valve actuator of described proportioning valve (1), exhaust relief valve (4), control power supply (6), air inlet VOCs detector (7), VOCs detector (8) of giving vent to anger all electrically connect with PLC control system；The waste gas VOCs content value detected is fed back to PLC control system by described air inlet VOCs detector (7), VOCs detector (8) of giving vent to anger respectively, PLC control system by with preset content value and contrast, control the opening and closing of valve actuator at the air inlet of proportioning valve (1) and circulating air opening respectively, adjust and control the opening and closing of power supply (6) power and exhaust relief valve (4) so that waste gas VOCs is carried out photolysis and discharge.
A kind of control system being applied to industrial organic exhaust gas VOCs processing equipment the most according to claim 1, it is characterised in that described valve actuator includes slide rheostat and the adjustable valve with slide rheostat linkage.
A kind of control system being applied to industrial organic exhaust gas VOCs processing equipment the most according to claim 1, temperature monitoring (9) it is provided with in it is characterized in that described reative cell (3), described temperature monitoring (9) electrically connects with PLC control system, acousto-optic alarm device is connected with PLC control system, temperature data in reative cell (3) is fed back to PLC control system by described temperature monitoring (9), when temperature data is higher than PLC control system preset security temperature, PCL control system closing control power supply (6) also starts acoustic-optic alarm.
A kind of control system being applied to industrial organic exhaust gas VOCs processing equipment the most according to claim 3, it is characterised in that described temperature monitoring (9) is thermoelectricity occasionally thermal resistance or red, ultraviolet temperature measurer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620311866.9U CN205586753U (en) | 2016-04-14 | 2016-04-14 | Control system for industry organic waste gas VOCs treatment facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620311866.9U CN205586753U (en) | 2016-04-14 | 2016-04-14 | Control system for industry organic waste gas VOCs treatment facility |
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| Publication Number | Publication Date |
|---|---|
| CN205586753U true CN205586753U (en) | 2016-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620311866.9U Withdrawn - After Issue CN205586753U (en) | 2016-04-14 | 2016-04-14 | Control system for industry organic waste gas VOCs treatment facility |
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| CN (1) | CN205586753U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105727706A (en) * | 2016-04-14 | 2016-07-06 | 佛山市电建电力设备有限公司 | Control system applied to industrial organic waste gas VOCs treatment equipment |
| CN108970346A (en) * | 2017-06-02 | 2018-12-11 | 中国石油化工股份有限公司 | A kind of safety protection control method of low-temperature plasma degradation organic waste gas |
| CN109308042A (en) * | 2017-11-16 | 2019-02-05 | 中国石油化工股份有限公司 | Low Temperature Plasma Treating sewage collecting, storage, processing links release gas in VOCs safety control |
-
2016
- 2016-04-14 CN CN201620311866.9U patent/CN205586753U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105727706A (en) * | 2016-04-14 | 2016-07-06 | 佛山市电建电力设备有限公司 | Control system applied to industrial organic waste gas VOCs treatment equipment |
| CN105727706B (en) * | 2016-04-14 | 2018-07-03 | 佛山市电建电力设备有限公司 | A kind of control system applied to industrial organic exhaust gas VOCs processing equipments |
| CN108970346A (en) * | 2017-06-02 | 2018-12-11 | 中国石油化工股份有限公司 | A kind of safety protection control method of low-temperature plasma degradation organic waste gas |
| CN108970346B (en) * | 2017-06-02 | 2021-04-30 | 中国石油化工股份有限公司 | Safety protection control method for degrading organic waste gas by low-temperature plasma |
| CN109308042A (en) * | 2017-11-16 | 2019-02-05 | 中国石油化工股份有限公司 | Low Temperature Plasma Treating sewage collecting, storage, processing links release gas in VOCs safety control |
| CN109308042B (en) * | 2017-11-16 | 2021-04-13 | 中国石油化工股份有限公司 | Safety control device for VOCs in released gas in low-temperature plasma treatment sewage collection, storage and treatment links |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160921 Effective date of abandoning: 20180703 |
|
| AV01 | Patent right actively abandoned |