CN104841233B - A kind of exhaust treatment system of circulating water wash type - Google Patents
A kind of exhaust treatment system of circulating water wash type Download PDFInfo
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- CN104841233B CN104841233B CN201510276669.8A CN201510276669A CN104841233B CN 104841233 B CN104841233 B CN 104841233B CN 201510276669 A CN201510276669 A CN 201510276669A CN 104841233 B CN104841233 B CN 104841233B
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Abstract
The invention discloses the exhaust treatment system of a kind of circulating water wash type, it includes multiple emission-control equipment and a PLC control cabinet, and described emission-control equipment carries out long-range open and close controlling by PLC control cabinet；Described emission-control equipment includes pre-filtering assembly, washing component, air-introduced machine and gas deflation assembly；Described pre-filtering assembly, washing component, air-introduced machine and gas deflation assembly are sequentially connected with by pipeline, and described gas deflation assembly includes two outlets, and one of them outlet is used for discharging gas, and another one outlet is connected with pre-filtering assembly；Described gas deflation assembly includes the opening/closing units of the sensor of a detected gas content, the control unit of gating outlet and two outlets；The outfan of described sensor is connected with control unit, and control unit is connected with opening/closing unit.Emission-control equipment is remotely controlled by the present invention by PLC control cabinet, safe and reliable, and have cycle detection function further improve discharge gas quality.
Description
Technical field
The present invention relates to the exhaust treatment system of a kind of circulating water wash type.
Background technology
Waste gas purification is primarily referred to as the industrial waste gas such as the dust granules thing, flue gas flue dust that produce for industrial site, gas with foreign flavor, toxic and harmful carry out the work administered, common waste gas purification has factory's fume and exhaust gas purifying, workshop dust waste gas purification, organic waste-gas purification, the purification of waste gas abnormal flavour, acid-base waste gas purifying, purification of chemical waste gas etc., and emission-control equipment the more commonly used at present is exhaust gas treating tower.
Water absorption method is waste gas processing method the more commonly used at present, and the equipment that the method uses is comparatively simple and easy, use cost is low, be suitable for process gaseous state and fluid contaminants.Tradition water absorption method equipment is generally adopted horizontal, arranges baffle maze at device interior, allows waste gas complications advance, and be provided above spray equipment in labyrinth section, waste gas is carried out spray washing, then end configuration water separator.It is relatively big to there is inner space in the type equipment, for ensureing water smoke effect, must configure a lot of conical nozzles, owing to nozzle quantity is many, therefore needs to be equipped with the water circulating pump of relatively high power, and energy consumption is higher；And owing to conical nozzle bore is less, it is easy to blocking, causes maintenance work heavy；The type device air drag is big, must select elevated pressures blower fan, and therefore general power of fan is relatively big, relatively costly；Owing to water, gas contact surface are less, therefore treatment effect is poor；Occupation area of equipment is big, relatively costly, and the problems such as the wastewater flow rate that produces is big.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that the exhaust treatment system of a kind of circulating water wash type.
It is an object of the invention to be achieved through the following technical solutions: the exhaust treatment system of a kind of circulating water wash type, it includes multiple emission-control equipment and a PLC control cabinet, and described emission-control equipment carries out long-range open and close controlling by PLC control cabinet；
Described emission-control equipment includes pre-filtering assembly, washing component, air-introduced machine and gas deflation assembly；Described pre-filtering assembly, washing component, air-introduced machine and gas deflation assembly are sequentially connected with by pipeline, and described gas deflation assembly includes two outlets, and one of them outlet is used for discharging gas, and another one outlet is connected with pre-filtering assembly；It is provided with choke relief valve between described pre-filtering assembly and washing component；
Described pre-filtering assembly includes filter shell and multiple screen plate being set in parallel within filter shell；Described filter shell inwall is provided with screen plate with the use of slot；Described screen plate includes installing frame, is arranged on the screen plate installed within frame and is arranged on the drainage screen on screen plate two sides；Described screen plate is arranged on inside filter shell by slot；
Described washing component includes washing shell, air inlet, gas outlet, vane of giving vent to anger, spray nozzle, cyclic water tank, water circulating pump, recovery funnel and water pipe；Described washing outer casing bottom side is provided with air inlet, and the top of washing shell is provided with gas outlet, and gas outlet vane is arranged at bottom gas outlet；Reclaiming funnel and be arranged at washing outer casing bottom, reclaim funnel and be connected with cyclic water tank, cyclic water tank is connected with spray nozzle by water circulating pump and water pipe；
Described gas deflation assembly includes the opening/closing units of the sensor of at least one detected gas content, the control unit of gating outlet and two outlets；Described sensor is arranged at the porch of gas deflation assembly, and the outfan of sensor is connected with control unit, and control unit is connected with opening/closing unit.
Described control unit includes a comparator and an outlet gate, the first input end of comparator is connected with sensor, the threshold value that value is detected gas of the second input input of comparator, the outfan of comparator is connected with outlet gate, and outlet gate controls the opening and closing of opening/closing unit according to the low and high level that comparator exports；Described opening/closing unit includes the first opening/closing unit and the second opening/closing unit, and the first opening/closing unit receives low level and opens, receives high level and close, and the second opening/closing unit receives low level and closes, receives high level and open.
Described gas outlet, vane of giving vent to anger, spray nozzle and recovery funnel are distributed from top to bottom along the axis of washing shell；The axis of air inlet is vertical with the axis of washing shell.
Described water pipe is provided with the control valve controlling current.
Described washing component also includes multiple drainage screen, and described drainage screen is arranged at inside cyclic water tank.
Described emission-control equipment also includes at least one photocatalysis assembly, and described photocatalysis assembly is arranged between washing component and air-introduced machine；
Described photocatalysis assembly includes photocatalysis shell and multiple quartz burner being arranged on photocatalysis enclosure；The described interval between the interval between quartz burner and quartz burner and housing is identical, and the installation direction of quartz burner is parallel with airflow direction；The inwall of described photocatalysis shell is provided with coating of titanium dioxide.
Described screen plate is activated carbon fibre filtering plate.
The filter shell of described pre-filtering assembly is provided with the first door body of convenient guarantee, the first described door body is provided with handle.
Described photocatalysis assembly is additionally provided with the second door body with observation window, and the second described door body is provided with handle.
Described spray nozzle is spiral heavy caliber nozzle.
The invention has the beneficial effects as follows: organic waste gas treatment device is remotely controlled by (1) by PLC control cabinet, safe and reliable；(2) the internal airless of the washing component of the present invention, without obvious obstacle, air drag is less, the air-introduced machine of optional smaller power, reaches to economize on resources and the effect of cost；(3) adopt heavy caliber nozzle, should not block, reduce later stage maintenance work amount；(4) by photocatalysis assembly supplementing rinsing type emission-control equipment so that the better effects if of exhaust-gas treatment；The structure of photocatalysis assembly facilitates the dust of Burdick lamp tube-surface and the cleaning of greasy dirt, it is ensured that ultraviolet penetrance and exposure rate；(5) hardened structure by pre-filtering assembly and multilamellar activated carbon filtration, effectively remove organic granular and improve organic exhaust gas degradation rate；(6) there is the features such as stable and reliable operation, operating cost is low, easy to maintenance；(7) adopt cycle detection function, be circulated when toxic emission is substandard time, improve the quality of discharge gas further；(8) when circulation time is long, PLC control cabinet sends alarm after receiving this information, can send staff that pre-filtering assembly, washing component or photocatalysis assembly are checked, it is to avoid because using overlong time to cause the destruction of device to such an extent as to long invalid exhaust-gas treatment.
Accompanying drawing explanation
Fig. 1 is present configuration block diagram；
Fig. 2 is emission-control equipment structural representation；
Fig. 3 is gas deflation assembly electrical block diagram..
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is described in further detail: as shown in Figure 1, a kind of exhaust treatment system of circulating water wash type, it includes multiple emission-control equipment and a PLC control cabinet, and described emission-control equipment carries out long-range open and close controlling by PLC control cabinet；
As in figure 2 it is shown, described emission-control equipment includes pre-filtering assembly, washing component, air-introduced machine and gas deflation assembly；Described pre-filtering assembly, washing component, air-introduced machine and gas deflation assembly are sequentially connected with by pipeline, and described gas deflation assembly includes two outlets, and one of them outlet is used for discharging gas, and another one outlet is connected with pre-filtering assembly；It is provided with choke relief valve between described pre-filtering assembly and washing component；
Described pre-filtering assembly includes filter shell and multiple screen plate being set in parallel within filter shell；Described filter shell inwall is provided with screen plate with the use of slot；Described screen plate includes installing frame, is arranged on the screen plate installed within frame and is arranged on the drainage screen on screen plate two sides；Described screen plate is arranged on inside filter shell by slot；
Described washing component includes washing shell, air inlet, gas outlet, vane of giving vent to anger, spray nozzle, cyclic water tank, water circulating pump, recovery funnel and water pipe；Described washing outer casing bottom side is provided with air inlet, and the top of washing shell is provided with gas outlet, and gas outlet vane is arranged at bottom gas outlet；Reclaiming funnel and be arranged at washing outer casing bottom, reclaim funnel and be connected with cyclic water tank, cyclic water tank is connected with spray nozzle by water circulating pump and water pipe；
As it is shown on figure 3, described gas deflation assembly includes the opening/closing units of the sensor of at least one detected gas content, the control unit of gating outlet and two outlets；Described sensor is arranged at the porch of gas deflation assembly, and the outfan of sensor is connected with control unit, and control unit is connected with opening/closing unit.
Described control unit includes a comparator and an outlet gate, the first input end of comparator is connected with sensor, the threshold value that value is detected gas of the second input input of comparator, the outfan of comparator is connected with outlet gate, and outlet gate controls the opening and closing of opening/closing unit according to the low and high level that comparator exports；Described opening/closing unit includes the first opening/closing unit and the second opening/closing unit, and the first opening/closing unit receives low level and opens, receives high level and close, and the second opening/closing unit receives low level and closes, receives high level and open.
Described gas outlet, vane of giving vent to anger, spray nozzle and recovery funnel are distributed from top to bottom along the axis of washing shell；The axis of air inlet is vertical with the axis of washing shell.
Described water pipe is provided with the control valve controlling current.
Described washing component also includes multiple drainage screen, and described drainage screen is arranged at inside cyclic water tank.
Described emission-control equipment also includes at least one photocatalysis assembly, and described photocatalysis assembly is arranged between washing component and air-introduced machine；
Described photocatalysis assembly includes photocatalysis shell and multiple quartz burner being arranged on photocatalysis enclosure；The described interval between the interval between quartz burner and quartz burner and housing is identical, and the installation direction of quartz burner is parallel with airflow direction；The inwall of described photocatalysis shell is provided with coating of titanium dioxide.
Described screen plate is activated carbon fibre filtering plate.
The filter shell of described pre-filtering assembly is provided with the first door body of convenient guarantee, the first described door body is provided with handle.
Described photocatalysis assembly is additionally provided with the second door body with observation window, and the second described door body is provided with handle.
Described spray nozzle is spiral heavy caliber nozzle.
In use, pending waste gas is after pre-processing assembly, enter air inlet, owing to the thrust of waste gas self enters washing enclosure interior, waste gas is sufficiently mixed with water under the effect of spray nozzle and sends gas outlet again through gas outlet vane, and the recovered funnel of current enters cyclic water tank, under the effect of water circulating pump, recycling reaches cleaning exhaust gas and reduces the effect of energy consumption simultaneously.Enter back in photocatalysis assembly afterwards, after high energy ultraviolet photodissociation catalytic oxidation treatment, detect through sensor, if the result of detection is qualified in draining into 15 meters of high-altitude qualified discharges outside the air-introduced machine of negative-pressure operation, otherwise returns pre-filtering assembly and be circulated.PLC control cabinet controls the operation of organic waste gas treatment device.When circulation time is long, PLC control cabinet sends alarm after receiving this information, it is possible to send staff that pre-filtering assembly or photocatalysis assembly are checked, it is to avoid because using overlong time to cause the destruction of device to such an extent as to long invalid exhaust-gas treatment.
Claims (10)
1. the exhaust treatment system of a circulating water wash type, it is characterised in that: it includes multiple emission-control equipment and a PLC control cabinet, and described emission-control equipment carries out long-range open and close controlling by PLC control cabinet；
Described emission-control equipment includes pre-filtering assembly, washing component, air-introduced machine and gas deflation assembly；Described pre-filtering assembly, washing component, air-introduced machine and gas deflation assembly are sequentially connected with by pipeline, and described gas deflation assembly includes two outlets, and one of them outlet is used for discharging gas, and another one outlet is connected with pre-filtering assembly；It is provided with choke relief valve between described pre-filtering assembly and washing component；
Described pre-filtering assembly includes filter shell and multiple screen plate being set in parallel within filter shell；Described filter shell inwall is provided with screen plate with the use of slot；Described screen plate includes installing frame, is arranged on the screen plate installed within frame and is arranged on the drainage screen on screen plate two sides；Described screen plate is arranged on inside filter shell by slot；
Described washing component includes washing shell, air inlet, gas outlet, vane of giving vent to anger, spray nozzle, cyclic water tank, water circulating pump, recovery funnel and water pipe；Described washing outer casing bottom side is provided with air inlet, and the top of washing shell is provided with gas outlet, and gas outlet vane is arranged at bottom gas outlet；Reclaiming funnel and be arranged at washing outer casing bottom, reclaim funnel and be connected with cyclic water tank, cyclic water tank is connected with spray nozzle by water circulating pump and water pipe；
Described gas deflation assembly includes the opening/closing units of the sensor of a detected gas content, the control unit of gating outlet and two outlets；Described sensor is arranged at the porch of gas deflation assembly, and the outfan of sensor is connected with control unit, and control unit is connected with opening/closing unit.
2. the exhaust treatment system of a kind of circulating water wash type according to claim 1, it is characterized in that: described control unit includes a comparator and an outlet gate, the first input end of comparator is connected with sensor, the threshold value that value is detected gas of the second input input of comparator, the outfan of comparator is connected with outlet gate, and outlet gate controls the opening and closing of opening/closing unit according to the low and high level that comparator exports；Described opening/closing unit includes the first opening/closing unit and the second opening/closing unit, and the first opening/closing unit receives low level and opens, receives high level and close, and the second opening/closing unit receives low level and closes, receives high level and open.
3. the exhaust treatment system of a kind of circulating water wash type according to claim 1, it is characterised in that: described gas outlet, vane of giving vent to anger, spray nozzle and recovery funnel are distributed from top to bottom along the axis of washing shell；The axis of air inlet is vertical with the axis of washing shell.
4. the exhaust treatment system of a kind of circulating water wash type according to claim 1, it is characterised in that: described water pipe is provided with the control valve controlling current.
5. the exhaust treatment system of a kind of circulating water wash type according to claim 1, it is characterised in that: described washing component also includes multiple drainage screen, and described drainage screen is arranged at inside cyclic water tank.
6. the exhaust treatment system of a kind of circulating water wash type according to claim 1, it is characterised in that: described emission-control equipment also includes at least one photocatalysis assembly, and described photocatalysis assembly is arranged between washing component and air-introduced machine；
Described photocatalysis assembly includes photocatalysis shell and multiple quartz burner being arranged on photocatalysis enclosure；The described interval between the interval between quartz burner and quartz burner and housing is identical, and the installation direction of quartz burner is parallel with airflow direction；The inwall of described photocatalysis shell is provided with coating of titanium dioxide.
7. the exhaust treatment system of a kind of circulating water wash type according to claim 1, it is characterised in that: described screen plate is activated carbon fibre filtering plate.
8. the exhaust treatment system of a kind of circulating water wash type according to claim 1, it is characterised in that: the filter shell of described pre-filtering assembly is provided with the first door body of convenient guarantee, the first described door body is provided with handle.
9. the exhaust treatment system of a kind of circulating water wash type according to claim 6, it is characterised in that: described photocatalysis assembly is additionally provided with the second door body with observation window, and the second described door body is provided with handle.
10. the exhaust treatment system of a kind of circulating water wash type according to claim 1, it is characterised in that: described spray nozzle is spiral heavy caliber nozzle.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510276669.8A CN104841233B (en) | 2015-05-27 | 2015-05-27 | A kind of exhaust treatment system of circulating water wash type |
| PCT/CN2016/077070 WO2016188209A1 (en) | 2015-05-27 | 2016-03-23 | Cyclic washing type waste gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510276669.8A CN104841233B (en) | 2015-05-27 | 2015-05-27 | A kind of exhaust treatment system of circulating water wash type |
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| Publication Number | Publication Date |
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| CN104841233A CN104841233A (en) | 2015-08-19 |
| CN104841233B true CN104841233B (en) | 2016-07-06 |
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| CN201510276669.8A Active CN104841233B (en) | 2015-05-27 | 2015-05-27 | A kind of exhaust treatment system of circulating water wash type |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016188208A1 (en) * | 2015-05-27 | 2016-12-01 | 成都虹华环保科技股份有限公司 | Safe and reliable cyclic washing type waste gas treatment system |
| WO2016188209A1 (en) * | 2015-05-27 | 2016-12-01 | 成都虹华环保科技股份有限公司 | Cyclic washing type waste gas treatment system |
| CN110694445A (en) * | 2019-11-04 | 2020-01-17 | 浙江宏电环保设备制造有限公司 | Intelligent remote control system of organic waste gas treatment device |
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| US5756047A (en) * | 1993-08-04 | 1998-05-26 | Advanced Chemical Systems, Inc. | Air purification method |
| CN201410131Y (en) * | 2009-02-23 | 2010-02-24 | 郑承煜 | Deodorizing system by nano-photocatalytic plasma biological method |
| CN204656262U (en) * | 2015-05-27 | 2015-09-23 | 成都虹华环保科技股份有限公司 | A kind of exhaust treatment system of circulating water wash type |
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