CN111760441A - Ultra-clean exhaust gas treatment system and treatment method - Google Patents

Ultra-clean exhaust gas treatment system and treatment method Download PDF

Info

Publication number
CN111760441A
CN111760441A CN202010506106.4A CN202010506106A CN111760441A CN 111760441 A CN111760441 A CN 111760441A CN 202010506106 A CN202010506106 A CN 202010506106A CN 111760441 A CN111760441 A CN 111760441A
Authority
CN
China
Prior art keywords
layer
gas
spraying
liquid
pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010506106.4A
Other languages
Chinese (zh)
Inventor
王仁才
荆珂
张鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Hengsheng Environmental Protection Technology Co ltd
Original Assignee
Dongguan Hengsheng Environmental Protection Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongguan Hengsheng Environmental Protection Technology Co ltd filed Critical Dongguan Hengsheng Environmental Protection Technology Co ltd
Priority to CN202010506106.4A priority Critical patent/CN111760441A/en
Publication of CN111760441A publication Critical patent/CN111760441A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/007Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26Drying gases or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/80Water
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/91Bacteria; Microorganisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/80Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
    • B01D2259/802Visible light

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Toxicology (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention discloses an ultra-clean exhaust gas treatment system and a treatment method, wherein the ultra-clean exhaust gas treatment system comprises a purification tower, a spray pump, a dosing pump, an exhaust pipe and an exhaust fan; this vertical setting of purifying column is formed with circulating water tank, gas-liquid layer, the gas-liquid layer that fuses, first filling layer, the first layer that sprays, second filling layer, second spray layer, gas-liquid separation layer, water barrier and the air bed that communicates in proper order from bottom to top in the purifying column. The product can realize multiple spraying on waste gas by arranging the integrally communicated circulating water tank, the gas-homogenizing layer, the gas-liquid fusion layer, the first filling layer, the first spraying layer, the second filling layer, the second spraying layer, the gas-liquid separation layer, the water-resisting layer and the air layer, and atomizes liquid medicine into water vapor by using the atomizing device, so that the waste gas and the water vapor are fully fused and reacted to thoroughly absorb harmful substances in the waste gas; and the structure is simple and easy to realize.

Description

Ultra-clean exhaust gas treatment system and treatment method
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to an ultra-clean discharged waste gas treatment system and a treatment method.
Background
The waste gas treatment mainly refers to the treatment of industrial waste gas such as dust particles, smoke and dust, peculiar smell gas and toxic and harmful gas generated in industrial places. Common waste gas treatment includes factory smoke waste gas purification, workshop dust waste gas purification, organic waste gas purification, waste gas peculiar smell purification, acid-base waste gas purification, chemical waste gas purification and the like.
Although the existing waste gas treatment equipment can realize waste gas treatment, the existing waste gas treatment equipment has a complex structure and poor waste gas treatment effect. Therefore, it is necessary to develop a new solution to solve the above problems.
Disclosure of Invention
In view of the above, the present invention is directed to the defects in the prior art, and a main objective of the present invention is to provide a system and a method for treating ultra-clean exhaust gas, which can effectively solve the problems of complex structure and poor exhaust gas treatment effect of the existing exhaust gas treatment equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
an ultra-clean exhaust gas treatment system comprises a purification tower, a spray pump, a dosing pump, an exhaust pipe and an exhaust fan; the purification tower is vertically arranged, and a circulating water tank, a gas homogenizing layer, a gas-liquid fusion layer, a first filling layer, a first spraying layer, a second filling layer, a second spraying layer, a gas-liquid separation layer, a water-resisting layer and an air layer which are sequentially communicated from bottom to top are formed in the purification tower; the side surface of the lower end of the purification tower is provided with a waste gas inlet communicated with the gas homogenizing layer, and the center of the top of the purification tower is provided with a gas outlet communicated with the gas layer;
the gas-liquid fusion layer comprises a lower cover and an upper cover, the center of the upper surface of the lower cover is provided with a water receiving cavity, an atomizing device is arranged in the water receiving cavity, the lower cover is provided with a plurality of lower through grooves, and the plurality of lower through grooves are distributed on the outer periphery of the water receiving cavity; the upper cover is positioned right above the lower cover, a fusion space is formed between the upper cover and the lower cover, the center of the bottom surface of the upper cover is a closed surface, the area of the closed surface is smaller than that of the water receiving cavity, the upper cover is provided with a plurality of upper through grooves, and the upper through grooves and the lower through grooves are arranged in a staggered manner;
the first spraying layer is internally provided with a first spraying pipe, the first spraying pipe extends transversely, two ends of the first spraying pipe are respectively connected with the inner walls of two sides of the purification tower, and the bottom of the first spraying pipe is provided with a plurality of first spray heads which are axially arranged along the first spraying pipe at intervals;
the second spraying layer is internally provided with a second spraying pipe, the second spraying pipe extends transversely, two ends of the second spraying pipe are respectively connected with the inner walls of two sides of the purification tower, and the bottom of the second spraying pipe is provided with a plurality of second spray heads which are axially arranged along the second spraying pipe at intervals;
the input end of the spray pump is communicated with the circulating water tank, and the output end of the spray pump is communicated with the first spray pipe and the second spray pipe; the output port of the dosing pump is communicated with a circulating water tank;
one end of the exhaust pipe is communicated with the air outlet; the input end of the exhaust fan is communicated with the other end of the exhaust pipe, and the output end of the exhaust fan is connected with a vertically extending air outlet pipe.
Preferably, the fillers in the first filling layer and the second filling layer are ceramic pall rings.
Preferably, the filler in the water-resisting layer is anhydrous calcium chloride particles.
As a preferable scheme, a pH value detector is arranged in the gas-liquid separation layer.
Preferably, a humidity detector is disposed in the air layer.
Preferably, an electrodeless lamp is arranged on the inner peripheral side surface of the air layer, and a titanium dioxide layer is coated on the periphery of a lamp tube of the electrodeless lamp.
As a preferred scheme, the device further comprises a controller, and the controller is connected with a spraying pump, a dosing pump, an exhaust fan, a pH value detector, an electrodeless lamp, a humidity detector and an atomizing device.
A super-clean exhaust gas treatment method adopts the super-clean exhaust gas treatment system, and comprises the following steps:
(1) starting an exhaust fan to exhaust air, so that negative pressure is formed in the purification tower, and waste gas enters the gas homogenizing layer from a waste gas inlet; before the exhaust fan is started, the medicine adding pump injects medicine liquid into the circulating water tank, then the spraying pump extracts the medicine liquid in the circulating water tank and sprays water downwards through the first spray head and the second spray head;
(2) waste gas passes through the lower through groove and enters the gas-liquid fusion layer, at the moment, the atomization device atomizes the liquid medicine flowing into the water receiving cavity from the upper part into water vapor, so that the waste gas and the water vapor are fully contacted, fused and reacted, and part of substances formed after the reaction fall into the circulating water tank along with the liquid medicine;
(3) the residual gas passes through the upper through groove and enters the first filling layer and the first spraying layer, the gas and the liquid medicine are continuously contacted and fused for reaction, and part of substances formed after the reaction flows into the circulating water tank along with the liquid medicine;
(4) unreacted gas continuously flows upwards to enter the second filling layer and the second spraying layer, the gas and the liquid medicine are continuously contacted and fused for reaction, and partial substances formed after the reaction flow into the circulating water tank along with the liquid medicine;
(5) finally, the unreacted gas with moisture enters a gas-liquid separation layer for gas-liquid separation;
(6) gas after gas-liquid separation enters a water-resisting layer to be subjected to water-resisting drying;
(7) the gas after water-proof treatment enters an air layer;
(8) the purified gas passes through the vent hole, enters the exhaust pipe and is discharged through the gas outlet pipe.
As a preferable scheme, in the step (7), the electrodeless lamp irradiates on the titanium dioxide layer, has strong oxidizing property, decomposes harmful substances, and kills bacteria in the gas; meanwhile, the humidity detector detects the humidity of the gas and feeds the humidity back to the controller, and the water quantity of the spraying pump is controlled through the controller.
Compared with the prior art, the invention has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:
the product can realize multiple spraying on waste gas by arranging a circulating water tank, a gas homogenizing layer, a gas-liquid fusion layer, a first filling layer, a first spraying layer, a second filling layer, a second spraying layer, a gas-liquid separation layer, a water-resisting layer and an air layer which are integrally communicated, and medicinal liquid is atomized into water vapor by utilizing an atomizing device, so that the waste gas and the water vapor are fully fused and reacted to thoroughly absorb harmful substances in the waste gas; and the structure is simple and easy to realize.
Secondly, this product still is provided with the pH valve detector, detects the pH valve of waste gas and feeds back to the controller, realizes the output of automatic control dosing pump, reduces the cost of labor.
The product is also provided with a humidity detector, the humidity of the waste gas is detected and fed back to the controller, the output quantity of the spray pump is automatically controlled, and the labor cost is reduced.
The product is also provided with an electrodeless lamp and a titanium dioxide layer on the electrodeless lamp, and the titanium dioxide layer has strong oxidizing property under the irradiation of the electrodeless lamp, so that bacteria in waste gas can be effectively killed, and harmful substances are decomposed.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a partial cross-sectional view of a preferred embodiment of the present invention;
FIG. 2 is a top view of the preferred embodiment of the present invention;
FIG. 3 is a schematic diagram of the control principle of the preferred embodiment of the present invention.
The attached drawings indicate the following:
10. purification column 101, exhaust gas inlet
102. Gas outlet 103 and water receiving cavity
104. Lower through groove 105, merging space
106. Upper through groove 107 and platform
11. Circulating water tank 12 and gas-equalizing layer
13. Gas-liquid fusion layer 131 and lower cover
132. Upper cover 133 and atomizing device
14. A first filling layer 15 and a first spraying layer
151. First spray pipe 152 and first spray head
16. A second filling layer 17 and a second spraying layer
171. Second spray pipe 172 and second spray head
18. Gas-liquid separation layer 19, water barrier layer
110. Air layer 20, spray pump
21. Connecting pipe 30 and dosing pump
40. Exhaust pipe 50 and exhaust fan
61. PH value detector 62 and electrodeless lamp
621. Titanium dioxide layer 63 and humidity detector
64. Outlet pipe 65, testing platform
66. A transparent window 70 and a controller.
Detailed Description
Referring to fig. 1 to 3, a detailed structure of an ultra-clean exhaust gas treatment system according to a preferred embodiment of the present invention is shown, which includes a purification tower 10, a spray pump 20, a dosing pump 30, an exhaust pipe 40, and an exhaust fan 50.
This purifying column 10 is vertical to be set up, is formed with the circulating water tank 11 that communicates in proper order from bottom to top in the purifying column 10, gas-liquid layer 12, gas-liquid layer 13 that fuses, first filling layer 14, first layer 15, the second filling layer 16, the second sprays layer 17, gas-liquid separation layer 18, water barrier 19 and air bed 110, and the waste gas entry 101 of communicating gas-liquid layer 12 is seted up to the lower extreme side of purifying column 10, and the gas outlet 102 of communicating air bed 110 is seted up at the top center of purifying column 10.
The gas-liquid fusion layer 13 comprises a lower cover 131 and an upper cover 132, the center of the upper surface of the lower cover 131 is provided with a water receiving cavity 103, an atomizing device 133 is arranged in the water receiving cavity 103, the lower cover 131 is provided with a plurality of lower through grooves 104, and the plurality of lower through grooves 104 are distributed on the outer periphery of the water receiving cavity 103; this upper cover 132 is located directly over lower cover 131, is formed with between upper cover 132 and the lower cover 131 and fuses the space 105, and the bottom surface center of upper cover 132 is the closing surface, and the area of closing surface is less than the area that connects water cavity 103, has seted up a plurality of logical grooves 106 on the upper cover 132, and these a plurality of logical grooves 106 and a plurality of logical grooves 104 stagger each other and set up.
The fillers in the first filling layer 14 and the second filling layer 16 are ceramic pall rings, and the ceramic pall rings have excellent acid resistance and heat resistance and can resist corrosion of various inorganic acids, organic acids and organic solvents except hydrofluoric acid; gas and liquid can uniformly pass through the purification tower, the retention time is long, the contact is sufficient, a better absorption effect is achieved, and meanwhile, the gaps among the ceramic pall rings can reduce the rising resistance of the gas and the pressure drop of the purification tower 10; of course, the filler can be fillers made of other corrosion-resistant materials.
First shower 151 has in this first layer 15 that sprays, and first shower 151 transversely extends, and its both ends respectively with the interior wall connection in purification tower 10 both sides, the bottom of first shower 151 is provided with a plurality of first shower nozzles 152 that a plurality of edges first shower 151 axial interval arranged.
The second spraying pipe 171 is arranged in the second spraying layer 17, the second spraying pipe 171 extends transversely, two ends of the second spraying pipe 171 are respectively connected with the inner walls of two sides of the purification tower 10, and a plurality of second spray heads 172 which are axially arranged along the second spraying pipe 171 at intervals are arranged at the bottom of the second spraying pipe 171.
The gas-liquid separation layer 18 is used for separating gas from liquid, a pH value detector 61 is arranged in the gas-liquid separation layer 18, and the pH value detector 61 is used for detecting the pH value of gas and liquid.
The water-resisting layer 19 is used for conducting water-resisting demisting on the gas, and the filler in the water-resisting layer 19 is anhydrous calcium chloride particles which are good in stability and difficult to react with other substances except water; the water absorption rate is high, and after the moisture absorption is completed, the water and the water can be fused into a colloid at high temperature, the evaporation is not easy, and the water can be repeatedly used; of course, the filler may be other chemically stable desiccants.
The air layer 110 is in a frustum shape, the inner peripheral side surface of the air layer is an inclined surface, the electrodeless lamp 62 is arranged on the inner peripheral side surface, the periphery of a lamp tube of the electrodeless lamp 62 is coated with a titanium dioxide layer 621, and the titanium dioxide layer 621 has strong oxidizing capability under the irradiation of the electrodeless lamp 62, so that harmful substances in the air are decomposed, bacteria in the air are killed, and peculiar smell is removed; and a humidity detector 63 is further disposed in the air layer 110 to detect the water absorption effect of the water-proof layer 19.
The input end of the spray pump 20 is communicated with the circulating water tank 11, the output end of the spray pump 20 is communicated with the first spray pipe 151 and the second spray pipe 171, in this embodiment, the lower end side of the purification tower 10 is provided with a platform 107, the spray pump 20 is installed on the platform 107, the output end of the spray pump 20 is communicated with the first spray pipe 151 and the second spray pipe 171 through a connecting pipe 21, and the connecting pipe 21 is positioned on the outer side of the purification tower 10.
The output port of the dosing pump 30 is connected to the circulation water tank 11, and in this embodiment, the dosing pump 30 is located outside the purification tower 10.
One end of the exhaust pipe 40 is connected to the air outlet 102, and in this embodiment, the exhaust pipe 40 is in a horizontal S shape.
The input end of the exhaust fan 50 is connected to the other end of the exhaust pipe, and the output end of the exhaust fan 50 is connected to an air outlet pipe 64 extending vertically. Besides, a detection platform 65 is arranged beside the air outlet pipe 64.
And, a plurality of transparent windows 66 are arranged on the outer periphery of the purification tower 10, so that the condition in the purification tower 10 can be conveniently checked.
And the device further comprises a controller 70, the controller 70 is connected with the spray pump 20, the dosing pump 30, the exhaust fan 50, the pH value detector 61, the electrodeless lamp 62, the humidity detector 63 and the atomization device 133, the controller 70 is a PLC controller, the specific structure and the working principle of the controller are the prior art, and the specific structure and the working principle of the controller 70 are not described in detail herein.
The invention also discloses a method for treating the ultra-clean exhaust gas, which adopts the ultra-clean exhaust gas treatment system and comprises the following steps:
(1) starting an exhaust fan 50 to exhaust air, so that negative pressure is formed in the purification tower 10, and waste gas enters the gas homogenizing layer 12 from a waste gas inlet 101; before suction fan 50 is turned on, chemical feeding pump 30 feeds chemical into circulation tank 11, and spray pump 20 pumps the chemical in circulation tank 11 and sprays water downward through first spray nozzle 152 and second spray nozzle 172.
(2) Waste gas passes through the lower through groove 104 and enters the gas-liquid fusion layer 13, at the moment, the atomization device 133 atomizes the liquid medicine flowing into the water receiving cavity 103 from the upper part into water vapor, so that the waste gas and the water vapor are fully contacted, fused and reacted, and part of substances formed after the reaction fall into the circulating water tank 11 along with the liquid medicine.
(3) The residual gas passes through the upper through groove 106 and enters the first filling layer 14 and the first spraying layer 15, the gas and the liquid medicine are continuously contacted and fused for reaction, and part of substances formed after the reaction flows into the circulating water tank 11 along with the liquid medicine.
(4) Unreacted gas continuously flows upwards to enter the second filling layer 16 and the second spraying layer 17, the gas and the liquid medicine are continuously contacted and fused for reaction, and partial substances formed after the reaction flow into the circulating water tank 11 along with the liquid medicine.
(5) And finally, the unreacted gas with water enters the gas-liquid separation layer 18, the pH value detector 61 measures the pH value of the humid gas and feeds the pH value back to the controller 70, and the controller 70 compares the measured pH value with the standard value to control the dosage of the dosing pump 30.
(6) The gas after gas-liquid separation enters the water-resisting layer 19 to contact with the anhydrous calcium chloride particles in the water-resisting layer, so that water vapor in the gas is absorbed by the anhydrous calcium chloride particles, and the gas is dried.
(7) The gas subjected to water-resisting treatment enters the air layer 110, and the electrodeless lamp 62 irradiates the titanium dioxide layer 621, so that the gas has strong oxidizing property, decomposes harmful substances, and kills bacteria in the gas; meanwhile, the humidity detector 63 detects the humidity of the gas and feeds the detected humidity back to the controller 70, and the controller 70 controls the amount of water in the spray pump 20.
(8) The gas that has been purified passes through vent port 102 into exhaust tube 40 and exits through outlet tube 64.
The design of the invention is characterized in that:
the product can realize multiple spraying on waste gas by arranging a circulating water tank, a gas homogenizing layer, a gas-liquid fusion layer, a first filling layer, a first spraying layer, a second filling layer, a second spraying layer, a gas-liquid separation layer, a water-resisting layer and an air layer which are integrally communicated, and medicinal liquid is atomized into water vapor by utilizing an atomizing device, so that the waste gas and the water vapor are fully fused and reacted to thoroughly absorb harmful substances in the waste gas; and the structure is simple and easy to realize.
Secondly, this product still is provided with the pH valve detector, detects the pH valve of waste gas and feeds back to the controller, realizes the output of automatic control dosing pump, reduces the cost of labor.
The product is also provided with a humidity detector, the humidity of the waste gas is detected and fed back to the controller, the output quantity of the spray pump is automatically controlled, and the labor cost is reduced.
The product is also provided with an electrodeless lamp and a titanium dioxide layer on the electrodeless lamp, and the titanium dioxide layer has strong oxidizing property under the irradiation of the electrodeless lamp, so that bacteria in waste gas can be effectively killed, and harmful substances are decomposed.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims (9)

1. An ultra-clean discharges exhaust treatment system which characterized in that: comprises a purification tower, a spray pump, a dosing pump, an exhaust pipe and an exhaust fan; the purification tower is vertically arranged, and a circulating water tank, a gas homogenizing layer, a gas-liquid fusion layer, a first filling layer, a first spraying layer, a second filling layer, a second spraying layer, a gas-liquid separation layer, a water-resisting layer and an air layer which are sequentially communicated from bottom to top are formed in the purification tower; the side surface of the lower end of the purification tower is provided with a waste gas inlet communicated with the gas homogenizing layer, and the center of the top of the purification tower is provided with a gas outlet communicated with the gas layer;
the gas-liquid fusion layer comprises a lower cover and an upper cover, a water receiving cavity is formed in the center of the upper surface of the lower cover, an atomizing device is arranged in the water receiving cavity, a plurality of lower through grooves are formed in the lower cover, and the plurality of lower through grooves are distributed on the outer periphery of the water receiving cavity; the upper cover is positioned right above the lower cover, a fusion space is formed between the upper cover and the lower cover, the center of the bottom surface of the upper cover is a closed surface, the area of the closed surface is smaller than that of the water receiving cavity, the upper cover is provided with a plurality of upper through grooves, and the plurality of upper through grooves and the plurality of lower through grooves are arranged in a staggered manner;
the first spraying layer is internally provided with a first spraying pipe, the first spraying pipe extends transversely, two ends of the first spraying pipe are respectively connected with the inner walls of two sides of the purification tower, and the bottom of the first spraying pipe is provided with a plurality of first spray heads which are axially arranged along the first spraying pipe at intervals;
the second spraying layer is internally provided with a second spraying pipe, the second spraying pipe extends transversely, two ends of the second spraying pipe are respectively connected with the inner walls of two sides of the purification tower, and the bottom of the second spraying pipe is provided with a plurality of second spray heads which are axially arranged along the second spraying pipe at intervals;
the input end of the spray pump is communicated with the circulating water tank, and the output end of the spray pump is communicated with the first spray pipe and the second spray pipe; the output port of the dosing pump is communicated with the circulating water tank;
one end of the exhaust pipe is communicated with the air outlet; the input of air exhauster intercommunication blast pipe the other end, the output of air exhauster is connected with the outlet duct of a vertical extension.
2. The ultra clean emission exhaust treatment system of claim 1, wherein: and the fillers in the first filling layer and the second filling layer are ceramic pall rings.
3. The ultra clean emission exhaust treatment system of claim 1, wherein: the filler in the water-resisting layer is anhydrous calcium chloride particles.
4. The ultra clean emission exhaust treatment system of claim 1, wherein: and a pH value detector is arranged in the gas-liquid separation layer.
5. The ultra clean emission exhaust treatment system of claim 4, wherein: and a humidity detector is arranged in the air layer.
6. The ultra clean emission exhaust treatment system of claim 5, wherein: an electrodeless lamp is arranged on the inner peripheral side face of the air layer, and a titanium dioxide layer is coated on the periphery of a lamp tube of the electrodeless lamp.
7. The ultra clean emission exhaust treatment system of claim 6, wherein: the device further comprises a controller, wherein the controller is connected with the spraying pump, the dosing pump, the exhaust fan, the pH value detector, the electrodeless lamp, the humidity detector and the atomizing device.
8. A method for treating ultra-clean exhaust gas is characterized in that: the ultra-clean emission exhaust treatment system according to any of claims 1 to 7, comprising the steps of:
(1) starting an exhaust fan to exhaust air, so that negative pressure is formed in the purification tower, and waste gas enters the gas homogenizing layer from a waste gas inlet; before the exhaust fan is started, the medicine adding pump injects medicine liquid into the circulating water tank, then the spraying pump extracts the medicine liquid in the circulating water tank and sprays water downwards through the first spray head and the second spray head;
(2) waste gas passes through the lower through groove and enters the gas-liquid fusion layer, at the moment, the atomization device atomizes the liquid medicine flowing into the water receiving cavity from the upper part into water vapor, so that the waste gas and the water vapor are fully contacted, fused and reacted, and part of substances formed after the reaction fall into the circulating water tank along with the liquid medicine;
(3) the residual gas passes through the upper through groove and enters the first filling layer and the first spraying layer, the gas and the liquid medicine are continuously contacted and fused for reaction, and part of substances formed after the reaction flows into the circulating water tank along with the liquid medicine;
(4) unreacted gas continuously flows upwards to enter the second filling layer and the second spraying layer, the gas and the liquid medicine are continuously contacted and fused for reaction, and partial substances formed after the reaction flow into the circulating water tank along with the liquid medicine;
(5) finally, the unreacted gas with moisture enters a gas-liquid separation layer for gas-liquid separation;
(6) gas after gas-liquid separation enters a water-resisting layer to be subjected to water-resisting drying;
(7) the gas after water-proof treatment enters an air layer;
(8) the purified gas passes through the vent hole, enters the exhaust pipe and is discharged through the gas outlet pipe.
9. The ultra-clean emission exhaust gas treatment method according to claim 8, characterized in that: in the step (7), the electrodeless lamp irradiates on the titanium dioxide layer, has strong oxidizing property, decomposes harmful substances and kills bacteria in the gas; meanwhile, the humidity detector detects the humidity of the gas and feeds the humidity back to the controller, and the water quantity of the spraying pump is controlled through the controller.
CN202010506106.4A 2020-06-05 2020-06-05 Ultra-clean exhaust gas treatment system and treatment method Pending CN111760441A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010506106.4A CN111760441A (en) 2020-06-05 2020-06-05 Ultra-clean exhaust gas treatment system and treatment method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010506106.4A CN111760441A (en) 2020-06-05 2020-06-05 Ultra-clean exhaust gas treatment system and treatment method

Publications (1)

Publication Number Publication Date
CN111760441A true CN111760441A (en) 2020-10-13

Family

ID=72720189

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010506106.4A Pending CN111760441A (en) 2020-06-05 2020-06-05 Ultra-clean exhaust gas treatment system and treatment method

Country Status (1)

Country Link
CN (1) CN111760441A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113413746A (en) * 2021-07-02 2021-09-21 北京京仪自动化装备技术股份有限公司 Exhaust gas treatment device and exhaust gas humidity control method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113413746A (en) * 2021-07-02 2021-09-21 北京京仪自动化装备技术股份有限公司 Exhaust gas treatment device and exhaust gas humidity control method thereof

Similar Documents

Publication Publication Date Title
US3409409A (en) Controlled ph scrubber system
CN103505969A (en) Waste gas and dust treating device
CN108744799A (en) A kind of chemical emission spray washing treating column
CN207856658U (en) A kind of horizontal Tower for purifying waste gas
CN207024927U (en) Industrial VOC waste gas catalytic combustions processing system
CN206082112U (en) Reverse -flow scrubbing tower
CN101881205B (en) Waste gas purifying treatment device of diesel generator
CN206285660U (en) The tower desulfurization wastewater spray evaporation device of drying and flue gas processing device
CN111203089A (en) Chemical waste gas sprays washing treatment tower
CN106039937A (en) Waste gas absorption tower and waste gas absorption method
CN111760441A (en) Ultra-clean exhaust gas treatment system and treatment method
CN212663190U (en) Ultra-clean exhaust gas treatment system
CN213253840U (en) A catalytic absorption administers device that is used for lithium cell to annotate liquid process emission waste gas
CN110404394A (en) Ultraviolet catalytic oxidation-Fenton high efficiency composition organic waste gas treatment device and method
CN107694311A (en) It is a kind of to be used for the purifier containing sour gas
CN204648583U (en) Experimental Animal Center air exhaust odor cleaning system
CN211936289U (en) Wet process acid mist pretreatment system
CN214552214U (en) Novel acid mist purification device for atmospheric pollution treatment
CN208786038U (en) A kind of chemical emission spray washing treating column
CN109999594A (en) It is a kind of using nano-titania photocatalyst as the liquid circulation air cleaning system and method for consumptive material
CN214075775U (en) Demister and spray tower applying same
CN211886222U (en) Aspartame acid mist absorption device
KR102116253B1 (en) Scrubber Apparatus For Simultaneous removal of Odor And NOx, And method thereof
CN208229661U (en) A kind of novel bacteria bed emission-control equipment
CN210495882U (en) Waste gas purification device for mine exploitation

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination