CN104815512A - Circulating water-washing type waste gas treatment device - Google Patents

Circulating water-washing type waste gas treatment device Download PDF

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Publication number
CN104815512A
CN104815512A CN201510275722.2A CN201510275722A CN104815512A CN 104815512 A CN104815512 A CN 104815512A CN 201510275722 A CN201510275722 A CN 201510275722A CN 104815512 A CN104815512 A CN 104815512A
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China
Prior art keywords
assembly
filter
washing
gas
emission
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Application number
CN201510275722.2A
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Chinese (zh)
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CN104815512B (en
Inventor
韦建敏
赵兴文
张晓蓓
张小波
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Chengdu Honghua Environmental Protection Technology Co Ltd
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Chengdu Honghua Environmental Protection Technology Co Ltd
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Priority to CN201510275722.2A priority Critical patent/CN104815512B/en
Publication of CN104815512A publication Critical patent/CN104815512A/en
Application granted granted Critical
Publication of CN104815512B publication Critical patent/CN104815512B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses a circulating water-washing type waste gas treatment device. The circulating water-washing type waste gas treatment device comprises a pre-filter assembly, a water-washing assembly, a draught fan and a gas exhausting assembly which are connected in sequence through a pipeline, wherein the gas exhausting assembly comprises two outlets, one outlet is used for exhausting gas, and the other outlet is connected with the pre-filter assembly; an air supplementing valve is arranged between the pre-filter assembly and the water-washing assembly; the gas exhausting assembly comprises at least one sensor for detecting the gas content, a gating outlet control unit and an opening-closing unit for two outlets; the sensor is arranged at an inlet of the gas exhausting assembly; the output end of the sensor is connected with the control unit; the control unit is connected with the opening-closing unit. The circulating water-washing type waste gas treatment device adopts a circulating detection function to perform circulating when the waste gas emission does not reach the standard, so that the quality of the exhausted gas is further improved.

Description

A kind of emission-control equipment of circulating water wash type
Technical field
The present invention relates to a kind of emission-control equipment of circulating water wash type.
Background technology
Waste gas purification mainly pointer work that industrial waste gas such as dust granules thing, flue gas flue dust, gas with foreign flavor, toxic and harmful that industrial site produces are 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 peculiar smell, acid-base waste gas purifying, purification of chemical waste gas etc., and emission-control equipment relatively more conventional is at present exhaust gas treating tower.
Water absorption method is waste gas processing method relatively more conventional at present, and the equipment that the method uses is comparatively simple and easy, use cost is low, be applicable to process gaseous state and fluid contaminants.Tradition water absorption method equipment generally adopts horizontal, arranges baffle maze at device interior, allows waste gas complications advance, and arrange spray equipment above the section of labyrinth, carry out spray washing to waste gas, then end configuration separator.It is comparatively large to there is inner space in the type equipment, for ensureing water smoke effect, must configure a lot of conical nozzles, and because nozzle quantity is many, therefore need the water circulating pump being equipped with relatively high power, energy consumption is higher; And due to conical nozzle bore less, be easy to blocking, cause maintenance work heavy; The type device air drag is large, must select elevated pressures blower fan, and therefore general power of fan is comparatively large, and cost is higher; Because water, gas contact surface are less, therefore treatment effect is poor; Occupation area of equipment is large, and cost is higher, and the problems such as the wastewater flow rate produced is large.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of emission-control equipment of circulating water wash type is provided.
The object of the invention is to be achieved through the following technical solutions: a kind of emission-control equipment of circulating water wash type, it comprises pre-filtering assembly, washing component, air-introduced machine and gas deflation assembly; Described pre-filtering assembly, washing component, air-introduced machine are connected by pipeline successively with gas deflation assembly, and described gas deflation assembly comprises two outlets, and one of them outlet is used for emission gases, and another one outlet is connected with pre-filtering assembly; Choke relief valve is provided with between described pre-filtering assembly and washing component;
Described pre-filtering assembly comprises filter shell and multiple filter being set in parallel in filter shell inside; Described filter shell inwall is provided with filter with the use of slot; Described filter comprises frame for installing, be arranged on the filter of frame for installing inside and be arranged on the screen pack on filter two sides; Described filter is arranged on filter shell inside by slot;
Described washing component comprises 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; Reclaim 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 comprises at least one sensor detecting gas content, the control unit of a gating outlet and the opening/closing unit of two outlets; Described sensor setting is in the porch of gas deflation assembly, and the output of sensor is connected with control unit, and control unit is connected with opening/closing unit.
Described control unit comprises a comparator and an outlet gate, the first input end of comparator is connected with sensor, the value of the second input input of comparator is detect the threshold value of gas, the output of comparator is connected with egress selection device, 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 comprises 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 distribute from top to bottom along the axis of washing shell; The axis of air inlet and the axes normal of washing shell.
Described water pipe is provided with the control valve controlling current.
Described washing component also comprises multiple screen packs, and described screen pack is arranged at cyclic water tank inside.
The emission-control equipment of circulating water wash type also comprises at least one photocatalysis assembly, and described photocatalysis assembly is arranged between washing component and air-introduced machine;
Described photocatalysis assembly comprises photocatalysis shell and multiple quartz burner being arranged on photocatalysis enclosure; Interval between described quartz burner and the interval between quartz burner and housing identical, 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 filter is NACF filter.
The filter shell of described pre-filtering assembly is provided with first body of convenient guarantee, first described body is provided with handle.
Described photocatalysis assembly is also provided with second body with observation window, and second described body is provided with handle.
Described spray nozzle is spiral heavy caliber nozzle.
The invention has the beneficial effects as follows: the inner airless of (1) washing component of the present invention, without obvious obstacle, air drag is less, can select the air-introduced machine of smaller power, reach and economize on resources and the effect of cost; (2) adopt heavy caliber nozzle, should not block, reduce later stage maintenance work amount; (3) by photocatalysis assembly supplementing rinsing type emission-control equipment, the better effects if of exhaust-gas treatment is made; The structure of photocatalysis assembly facilitates the dust of ultraviolet lamp tube-surface and the cleaning of greasy dirt, ensures ultraviolet penetrance and exposure intensity; (4) by pre-filtering assembly and multilayer activated carbon filtration plate structure, effectively remove organic granular and improve organic exhaust gas degradation rate; (5) there is the features such as stable and reliable operation, operating cost is low, easy to maintenance; (6) adopt cycle detection function, circulate when toxic emission is substandard time, improve the quality of emission gases further.
Accompanying drawing explanation
Fig. 1 is block diagram of the present invention;
Fig. 2 is gas deflation assembly circuit modular structure schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail: as shown in Figure 1, a kind of emission-control equipment of circulating water wash type, it comprises pre-filtering assembly, washing component, air-introduced machine and gas deflation assembly; Described pre-filtering assembly, washing component, air-introduced machine are connected by pipeline successively with gas deflation assembly, and described gas deflation assembly comprises two outlets, and one of them outlet is used for emission gases, and another one outlet is connected with pre-filtering assembly; Choke relief valve is provided with between described pre-filtering assembly and washing component;
Described pre-filtering assembly comprises filter shell and multiple filter being set in parallel in filter shell inside; Described filter shell inwall is provided with filter with the use of slot; Described filter comprises frame for installing, be arranged on the filter of frame for installing inside and be arranged on the screen pack on filter two sides; Described filter is arranged on filter shell inside by slot;
Described washing component comprises 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; Reclaim 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 shown in Figure 2, described gas deflation assembly comprises at least one sensor detecting gas content, the control unit of a gating outlet and the opening/closing unit of two outlets; Described sensor setting is in the porch of gas deflation assembly, and the output of sensor is connected with control unit, and control unit is connected with opening/closing unit.
Described control unit comprises a comparator and an outlet gate, the first input end of comparator is connected with sensor, the value of the second input input of comparator is detect the threshold value of gas, the output of comparator is connected with egress selection device, 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 comprises 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 distribute from top to bottom along the axis of washing shell; The axis of air inlet and the axes normal of washing shell.
Described water pipe is provided with the control valve controlling current.
Described washing component also comprises multiple screen packs, and described screen pack is arranged at cyclic water tank inside.
The emission-control equipment of circulating water wash type also comprises at least one photocatalysis assembly, and described photocatalysis assembly is arranged between washing component and air-introduced machine;
Described photocatalysis assembly comprises photocatalysis shell and multiple quartz burner being arranged on photocatalysis enclosure; Interval between described quartz burner and the interval between quartz burner and housing identical, 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 filter is NACF filter.
The filter shell of described pre-filtering assembly is provided with first body of convenient guarantee, first described body is provided with handle.
Described photocatalysis assembly is also provided with second body with observation window, and second described 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, thrust due to waste gas self enters washing enclosure interior, waste gas fully mixes with water under the effect of spray nozzle sends gas outlet by gas outlet vane again, and current enter cyclic water tank through reclaiming funnel, under the effect of water circulating pump, recycling reaches the effect that cleaning exhaust gas reduces energy consumption simultaneously.Enter again afterwards in photocatalysis assembly, after high energy ultraviolet photodissociation catalytic oxidation treatment, detect through sensor, if the result detected 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 circulate.

Claims (10)

1. an emission-control equipment for circulating water wash type, is characterized in that: it comprises pre-filtering assembly, washing component, air-introduced machine and gas deflation assembly; Described pre-filtering assembly, washing component, air-introduced machine are connected by pipeline successively with gas deflation assembly, and described gas deflation assembly comprises two outlets, and one of them outlet is used for emission gases, and another one outlet is connected with pre-filtering assembly; Choke relief valve is provided with between described pre-filtering assembly and washing component;
Described pre-filtering assembly comprises filter shell and multiple filter being set in parallel in filter shell inside; Described filter shell inwall is provided with filter with the use of slot; Described filter comprises frame for installing, be arranged on the filter of frame for installing inside and be arranged on the screen pack on filter two sides; Described filter is arranged on filter shell inside by slot;
Described washing component comprises 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; Reclaim 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 comprises one and detects the sensor of gas content, the control unit of a gating outlet and two opening/closing units exported; Described sensor setting is in the porch of gas deflation assembly, and the output of sensor is connected with control unit, and control unit is connected with opening/closing unit.
2. the emission-control equipment of a kind of circulating water wash type according to claim 1, it is characterized in that: described control unit comprises a comparator and an outlet gate, the first input end of comparator is connected with sensor, the value of the second input input of comparator is detect the threshold value of gas, the output of comparator is connected with egress selection device, 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 comprises 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 emission-control equipment of a kind of circulating water wash type according to claim 1, is characterized in that: described gas outlet, vane of giving vent to anger, spray nozzle and recovery funnel distribute from top to bottom along the axis of washing shell; The axis of air inlet and the axes normal of washing shell.
4. the emission-control equipment of a kind of circulating water wash type according to claim 1, is characterized in that: described water pipe is provided with the control valve controlling current.
5. the emission-control equipment of a kind of circulating water wash type according to claim 1, it is characterized in that: described washing component also comprises multiple screen packs, described screen pack is arranged at cyclic water tank inside.
6. the emission-control equipment of a kind of circulating water wash type according to claim 1, is characterized in that: it also comprises at least one photocatalysis assembly, and described photocatalysis assembly is arranged between washing component and air-introduced machine;
Described photocatalysis assembly comprises photocatalysis shell and multiple quartz burner being arranged on photocatalysis enclosure; Interval between described quartz burner and the interval between quartz burner and housing identical, 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 emission-control equipment of a kind of circulating water wash type according to claim 1, is characterized in that: described filter is NACF filter.
8. the emission-control equipment of a kind of circulating water wash type according to claim 1, is characterized in that: first body filter shell of described pre-filtering assembly being provided with convenient guarantee, first described body is provided with handle.
9. the emission-control equipment of a kind of circulating water wash type according to claim 6, is characterized in that: described photocatalysis assembly is also provided with second body with observation window, and second described body is provided with handle.
10. the emission-control equipment of a kind of circulating water wash type according to claim 1, is characterized in that: described spray nozzle is spiral heavy caliber nozzle.
CN201510275722.2A 2015-05-27 2015-05-27 A kind of emission-control equipment of circulating water wash type Expired - Fee Related CN104815512B (en)

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN106679003A (en) * 2017-03-23 2017-05-17 福州鹏飞制冷设备有限公司 Energy-saving fresh air device
CN106765823A (en) * 2017-03-23 2017-05-31 福州鹏飞制冷设备有限公司 A kind of energy-saving air processing equipment
CN106801969A (en) * 2017-03-23 2017-06-06 福州鹏飞制冷设备有限公司 A kind of energy-saving fresh air system
CN106801949A (en) * 2017-03-23 2017-06-06 福州鹏飞制冷设备有限公司 A kind of energy-saving fresh air processing equipment
CN106813349A (en) * 2017-03-23 2017-06-09 福州鹏飞制冷设备有限公司 A kind of energy-saving air processing system with secondary return air
CN106839168A (en) * 2017-03-23 2017-06-13 福州鹏飞制冷设备有限公司 A kind of efficient recuperation of heat aeration device
CN107062440A (en) * 2017-03-23 2017-08-18 福州鹏飞制冷设备有限公司 A kind of air treatment system of utilization exhaustion section heat energy
CN107062442A (en) * 2017-03-23 2017-08-18 福州鹏飞制冷设备有限公司 A kind of energy-saving air processing system
CN107120660A (en) * 2017-04-21 2017-09-01 天津大学 A kind of domestic garbage pyrolysis incinerator flue gas purification system
CN107158944A (en) * 2017-07-07 2017-09-15 永嘉县信诚科技服务有限公司 Photoion depth waste gas treatment process and equipment
CN107715642A (en) * 2017-11-28 2018-02-23 四川坤元金属材料有限公司 A kind of waste gas treatment equipment
CN107803084A (en) * 2017-11-28 2018-03-16 四川坤元金属材料有限公司 A kind of waste gas impurity removing equipment

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CN201410131Y (en) * 2009-02-23 2010-02-24 郑承煜 Deodorizing system by nano-photocatalytic plasma biological method
CN204637904U (en) * 2015-05-27 2015-09-16 成都虹华环保科技股份有限公司 A kind of emission-control equipment of circulating water wash type

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CN201410131Y (en) * 2009-02-23 2010-02-24 郑承煜 Deodorizing system by nano-photocatalytic plasma biological method
CN204637904U (en) * 2015-05-27 2015-09-16 成都虹华环保科技股份有限公司 A kind of emission-control equipment of circulating water wash type

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN107062442A (en) * 2017-03-23 2017-08-18 福州鹏飞制冷设备有限公司 A kind of energy-saving air processing system
CN106801969B (en) * 2017-03-23 2022-12-27 福州鹏飞制冷设备有限公司 Energy-conserving new trend system
CN106801969A (en) * 2017-03-23 2017-06-06 福州鹏飞制冷设备有限公司 A kind of energy-saving fresh air system
CN106801949A (en) * 2017-03-23 2017-06-06 福州鹏飞制冷设备有限公司 A kind of energy-saving fresh air processing equipment
CN106679003A (en) * 2017-03-23 2017-05-17 福州鹏飞制冷设备有限公司 Energy-saving fresh air device
CN106839168A (en) * 2017-03-23 2017-06-13 福州鹏飞制冷设备有限公司 A kind of efficient recuperation of heat aeration device
CN106765823A (en) * 2017-03-23 2017-05-31 福州鹏飞制冷设备有限公司 A kind of energy-saving air processing equipment
CN107062440A (en) * 2017-03-23 2017-08-18 福州鹏飞制冷设备有限公司 A kind of air treatment system of utilization exhaustion section heat energy
CN106813349A (en) * 2017-03-23 2017-06-09 福州鹏飞制冷设备有限公司 A kind of energy-saving air processing system with secondary return air
CN107062442B (en) * 2017-03-23 2023-09-05 福州鹏飞制冷设备有限公司 Energy-saving air treatment system
CN106801949B (en) * 2017-03-23 2022-12-27 福州鹏飞制冷设备有限公司 Energy-conserving new trend treatment facility
CN107062440B (en) * 2017-03-23 2022-12-27 福州鹏飞制冷设备有限公司 Air treatment system utilizing heat energy of exhaust section
CN107120660A (en) * 2017-04-21 2017-09-01 天津大学 A kind of domestic garbage pyrolysis incinerator flue gas purification system
CN107158944A (en) * 2017-07-07 2017-09-15 永嘉县信诚科技服务有限公司 Photoion depth waste gas treatment process and equipment
CN107803084A (en) * 2017-11-28 2018-03-16 四川坤元金属材料有限公司 A kind of waste gas impurity removing equipment
CN107715642A (en) * 2017-11-28 2018-02-23 四川坤元金属材料有限公司 A kind of waste gas treatment equipment

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