CN219149753U - Vertical waste gas treatment equipment that sprays - Google Patents
Vertical waste gas treatment equipment that sprays Download PDFInfo
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- CN219149753U CN219149753U CN202222984830.5U CN202222984830U CN219149753U CN 219149753 U CN219149753 U CN 219149753U CN 202222984830 U CN202222984830 U CN 202222984830U CN 219149753 U CN219149753 U CN 219149753U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model discloses vertical spray waste gas treatment equipment, which comprises a photocatalysis device, a spray washing device, a booster fan and an exhaust pipe which are sequentially arranged, wherein a guide plate and a photocatalysis cavity are sequentially arranged in the photocatalysis device, a plurality of catalysis plates which are arranged along the horizontal direction are arranged in the photocatalysis cavity, and UV light tubes are arranged above and/or below each catalysis plate; the spraying and washing device comprises a second device shell, wherein a packing layer, a spray head and a demisting layer are sequentially arranged in the second device shell along the direction from bottom to top, an air inlet of the booster fan is connected with an air outlet of the second device shell through a pipeline, an air outlet of the booster fan is connected with an air outlet pipe, the air outlet pipe is a large-inner-diameter pipe part and a small-inner-diameter pipe part which are sequentially communicated along the direction from bottom to top, and an air supplementing opening communicated with an external space is formed in the position of the small-inner-diameter pipe part close to the bottom of the small-inner-diameter pipe part. The utility model has high purification efficiency, simple structure, convenience and practicability, and reduces equipment cost and energy consumption.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment, in particular to vertical spraying waste gas treatment equipment.
Background
Exhaust gas refers to toxic and harmful gases discharged by human beings in the production and living processes. Particularly, the chemical plants, steel plants, pharmaceutical factories, coking plants, oil refineries and the like and the living waste gas generated by human life have large odor, and the exhausted waste gas seriously pollutes the environment and affects the health of human bodies. Most of the existing factories are also provided with gas purifying devices, in order to improve the gas purifying effect, the existing gas purifying devices are usually used for blowing fresh air into an exhaust pipe through a fan so as to dilute exhaust air of the gas purifying devices and improve the smoke plume height, but the energy consumption of the gas purifying devices is improved.
Meanwhile, the filter materials adopted by the existing purifying device have the problems of insufficient adsorptivity and poor decomposition effect, so that the purifying device cannot achieve a good purifying effect, and a lot of harmful gases are discharged into the air to pollute the environment.
Disclosure of Invention
The embodiment of the utility model provides vertical spray waste gas treatment equipment which is used for reducing purification energy consumption and cost.
In order to achieve the above object, the utility model provides a vertical spray exhaust gas treatment device, comprising a photocatalysis device, a spray washing device, a booster fan and an exhaust pipe which are sequentially arranged, wherein the photocatalysis device comprises a first device shell, an air inlet and an air outlet are respectively arranged at the left end and the right end of the first device shell, a guide plate and a photocatalysis cavity are sequentially arranged in the first device shell along the air flow direction, the guide plate is used for uniformly dividing the air flow entering from the air inlet, a plurality of catalysis plates which are arranged along the horizontal direction are arranged in the photocatalysis cavity, the catalysis plates are sequentially arranged at intervals along the vertical direction, and UV light tubes are respectively arranged above and/or below each catalysis plate;
the spraying and washing device comprises a second equipment shell, wherein an air inlet is formed in the bottom of the side wall of the second equipment shell, the air inlet of the second equipment shell is communicated with an air outlet of the first equipment shell through a pipeline, an air outlet is formed in the top of the second equipment shell, a packing layer, a spray head and a mist removing layer are sequentially arranged in the second equipment shell along the direction from bottom to top, a plurality of spray heads facing the packing layer are arranged in the second equipment shell, the packing layer absorbs spray liquid sprayed by the spray head, waste gas is subjected to absorption and collision capture reaction with the spray liquid absorbed by the packing layer and the spray liquid sprayed by the spray head, and the mist removing layer is used for removing mist from flowing air flow; the lower part of the second equipment shell is provided with a spray liquid water tank, and the bottom of the second equipment shell is provided with a water leakage hole communicated with the spray liquid water tank;
the air inlet of the booster fan is connected with the air outlet of the second equipment shell through a pipeline, the air outlet of the booster fan is connected with an air outlet pipe, the air outlet pipe is arranged in the vertical direction, the bottom of the air outlet pipe is connected with the air outlet of the booster fan, the air outlet pipe is a large-inner-diameter pipe part and a small-inner-diameter pipe part which are sequentially communicated in the direction from bottom to top, the inner diameter of the small-inner-diameter pipe part is smaller than that of the large-inner-diameter pipe part, and an air supplementing port communicated with an external space is arranged at the position of the small-inner-diameter pipe part close to the bottom of the small-inner-diameter pipe part.
The guide plate uniformly guides the air to the air inlet to ensure that the air speeds of all parts of the section are similar; the UV light tube releases single or mixed ultraviolet light with the dominant wavelength of 184.9nm or 253.7nm to purify waste gas, and the catalytic plate can decompose various bacteria and pollutants flowing through the surface of the catalytic plate under the irradiation of UV light; in the process of passing through the packing layer and the spray head, the waste gas is subjected to absorption and collision catching reaction with spray liquid absorbed by the packing layer and spray liquid sprayed by the spray head, and then passes through the defogging layer for defogging; through setting up booster fan at the end to set up reducing structure and air filling mouth at the exhaust pipe, utilize the pipeline inside and outside velocity of flow difference, according to Bernoulli's principle, realize the automatic function of filling the exhaust pipe of outside fresh air, reduced the gas concentration of final exhaust. And through the pressure boost, realized the promotion of discharge port smoke plume height, further reduced the concentration of falling to the ground of pollutant.
Further, the guide plate is arranged along the vertical direction perpendicular to the airflow direction.
Optionally, the nano titanium dioxide layer coated on the surface of the catalytic plate can decompose various bacteria and pollutants flowing through the surface of the catalytic plate under the irradiation of UV light.
Further, the packing layer and the defogging layer are arranged along the horizontal direction perpendicular to the air flow direction, and the edges of the packing layer and the defogging layer are in sealing connection with the inner wall of the second equipment shell.
Further, the spray head is connected with a drain pipe of the circulating pump through a water pipe, a water inlet pipe of the circulating pump is communicated with the spray liquid water tank through a water pipe, and the circulating pump pumps the spray liquid in the spray liquid water tank to the spray head for spraying.
Preferably, a gas sensor is arranged at the air outlet of the second equipment shell and is connected with a controller, and the controller is respectively connected with each UV light tube and the circulating pump. The controller carries out grouping control on the UV light tubes and variable frequency control on the water pump in real time according to the detection parameters of the gas sensor, so that automatic power adjustment is realized, and the treatment effect is ensured.
One or more technical solutions in the embodiments of the present utility model at least have the following technical effects or advantages:
the utility model comprises a photocatalysis purification unit and a spray water washing purification unit, can fully adsorb and decompose waste gas, has high purification efficiency, simple structure, convenience and practicability, and finally ensures that the discharged gas can reach the standard of emission in the industry.
Through setting up booster fan at the end to set up reducing and air filling mouth at the exhaust pipe, utilize the pipeline inside and outside velocity of flow difference, according to Bernoulli's principle, realize the function of outside fresh air automatic feeding exhaust pipe, reduced the gas concentration of final exhaust. And through the pressure boost, realized the promotion of discharge port smoke plume height, further reduced the concentration of falling to the ground of pollutant. The method is different from the traditional method of adding a booster fan at the tail end and mechanically sucking and diluting, and reduces the energy consumption of the fan.
Through setting up the guide plate, carry out the samming water conservancy diversion to admitting air, make the section everywhere wind speed be close, increase treatment.
Through setting up the catalytic plate, make waste gas produce the photocatalytic reaction, promote the treatment effect.
Through setting up gas sensor at the export that sprays, carry out group control to UV light fluorescent tube, carry out variable frequency control to the water pump, realize power automatic adjustment to guarantee the treatment effect.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, an embodiment of the present utility model provides a vertical spray exhaust gas treatment device, including a photocatalytic device, a spray water washing device, a booster fan 11 and an exhaust pipe that are sequentially disposed, where the photocatalytic device includes a first device housing 1, two ends of the first device housing 1 are respectively provided with an air inlet and an air outlet, a deflector 2 and a photocatalytic cavity are sequentially disposed in the first device housing 1 along an air flow direction, the deflector 2 is used for uniformly dividing an air flow entering from the air inlet, a plurality of catalytic plates 3 disposed along a horizontal direction are disposed in the photocatalytic cavity, the catalytic plates 3 are sequentially disposed at intervals along a vertical direction, and UV light tubes 4 are disposed above and/or below each catalytic plate 3;
the spraying and washing device comprises a second equipment shell 15, wherein an air inlet is formed in the bottom of the side wall of the second equipment shell 15, the air inlet of the second equipment shell 15 is communicated with an air outlet of the first equipment shell 1 through a pipeline, an air outlet is formed in the top of the second equipment shell 15, a packing layer 5, a spray head 6 and a demisting layer 7 are sequentially arranged in the second equipment shell 15 along the direction from bottom to top, a plurality of spray heads 6 facing the packing layer 5 are arranged in the second equipment shell 15, the packing layer 5 absorbs spray liquid sprayed by the spray head 6, waste gas and the spray liquid absorbed by the packing layer 5 and the spray liquid sprayed by the spray head 6 are subjected to absorption and collision capture reaction, and the demisting layer 7 is used for demisting flowing air flow; the lower part of the second equipment shell 15 is provided with a spray liquid water tank 8, and the bottom of the second equipment shell 15 is provided with a water leakage hole communicated with the spray liquid water tank 8;
the air intake of booster fan 11 passes through the air exit of pipe connection second equipment casing 15, and the exhaust pipe is connected to booster fan 11's air exit, and the exhaust pipe sets up along the vertical direction, and the exhaust pipe is for big internal diameter pipe portion 12 and the little internal diameter pipe portion 13 of intercommunication in proper order along the direction from down to up to the air exit of booster fan 11, and the internal diameter of little internal diameter pipe portion 13 is less than the internal diameter of big internal diameter pipe portion 12, and the position department that little internal diameter pipe portion 13 is close to its bottom is provided with the air filling mouth 14 of intercommunication outside space.
The air guide plate 2 carries out uniform air guide on the air inlet so that the air speeds of all parts of the section are similar; the UV light tube 4 releases single or mixed ultraviolet light with the dominant wavelength of 184.9nm or 253.7nm to purify waste gas, and the catalytic plate 3 can decompose various bacteria and pollutants flowing through the surface of the catalytic plate 3 under the irradiation of UV light; in the process of passing through the packing layer 5 and the spray head 6, the waste gas and the spray liquid absorbed by the packing layer 5 and the spray liquid sprayed by the spray head 6 are subjected to absorption and collision capturing reaction, and then pass through the demisting layer 7 for demisting; by arranging the booster fan 11 at the tail end and arranging the reducing structure and the air compensating opening 14 at the exhaust pipe, the function of automatically compensating the external fresh air into the exhaust pipe is realized according to the Bernoulli principle by utilizing the difference of the flow velocity inside and outside the pipeline, and the gas concentration of the final exhaust opening is reduced. And through the pressure boost, realized the promotion of discharge port smoke plume height, further reduced the concentration of falling to the ground of pollutant.
Further, the deflector 2 is disposed along a vertical direction perpendicular to the airflow direction.
Optionally, the nano titanium dioxide layer coated on the surface of the catalytic plate 3 can decompose various bacteria and pollutants flowing through the surface of the catalytic plate 3 under the irradiation of UV light.
Further, the packing layer 5 and the demisting layer 7 are all arranged along the horizontal direction perpendicular to the air flow direction, and the edges of the packing layer 5 and the demisting layer 7 are all in sealing connection with the inner wall of the second equipment casing 15.
Further, the spray head 6 is connected with a drain pipe of the circulating pump 9 through a water pipe, a water inlet pipe of the circulating pump 9 is communicated with the spray liquid water tank 8 through a water pipe, and the circulating pump 9 pumps the spray liquid in the spray liquid water tank 8 to the spray head 6 for spraying.
Preferably, a gas sensor 10 is disposed at the air outlet of the second device housing 15, and the gas sensor 10 is connected to a controller, and the controller is connected to each UV light tube 4 and the circulation pump 9 respectively. The controller carries out grouping control on the UV light tubes 4 and variable frequency control on the water pump in real time according to the detection parameters of the gas sensor 10, realizes automatic power adjustment and ensures the treatment effect.
The filler layer can be selected from: special-shaped fillers such as PP polyhedral hollow spheres, pall rings and the like; PP structured packing; the PP material can also be replaced by SS304 or ceramic material.
The demisting layer can be formed by demisting PP baffle plates, demisting 304 silk screens, demisting PP polyhedral hollow spheres and other special-shaped fillers, and centrifugally demisting.
The spray liquid can be clear water, alkali liquor, acid liquor and deodorant.
The light source may be a low-pressure mercury lamp, an electrodeless lamp excited by microwaves, a gas discharge lamp excited by DBD principle.
The booster fan can be an axial flow fan, a mixed flow fan and a centrifugal fan.
It should be noted that the above-mentioned embodiments illustrate rather than limit the utility model, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" or "comprises" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The use of the words first, second, third, etc. do not denote any order, and the words may be interpreted as names.
One or more technical solutions in the embodiments of the present utility model at least have the following technical effects or advantages:
the utility model comprises a photocatalysis purification unit and a spray water washing purification unit, can fully adsorb and decompose waste gas, has high purification efficiency, simple structure, convenience and practicability, and finally ensures that the discharged gas can reach the standard of emission in the industry.
Through setting up booster fan at the end to set up reducing and air filling mouth at the exhaust pipe, utilize the pipeline inside and outside velocity of flow difference, according to Bernoulli's principle, realize the function of outside fresh air automatic feeding exhaust pipe, reduced the gas concentration of final exhaust. And through the pressure boost, realized the promotion of discharge port smoke plume height, further reduced the concentration of falling to the ground of pollutant. The method is different from the traditional method of adding a booster fan at the tail end and mechanically sucking and diluting, and reduces the energy consumption of the fan.
Through setting up the guide plate, carry out the samming water conservancy diversion to admitting air, make the section everywhere wind speed be close, increase treatment.
Through setting up the catalytic plate, make waste gas produce the photocatalytic reaction, promote the treatment effect.
Through setting up gas sensor at the export that sprays, carry out group control to UV light fluorescent tube, carry out variable frequency control to the water pump, realize power automatic adjustment to guarantee the treatment effect.
All of the features disclosed in this specification, except mutually exclusive features, may be combined in any manner.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.
The utility model is not limited to the specific embodiments described above. The utility model extends to any novel one, or any novel combination, of the features disclosed in this specification, as well as to any novel one, or any novel combination, of the steps of the method or process disclosed.
Claims (5)
1. The vertical spray exhaust gas treatment equipment is characterized by comprising a photocatalysis device, a spray washing device, a booster fan and an exhaust pipe which are sequentially arranged, wherein the photocatalysis device comprises a first equipment shell, an air inlet and an air outlet are respectively arranged at the left end and the right end of the first equipment shell, a guide plate and a photocatalysis cavity are sequentially arranged in the first equipment shell along the air flow direction, the guide plate is used for uniformly distributing the air flow entering from the air inlet, a plurality of catalysis plates which are arranged along the horizontal direction are arranged in the photocatalysis cavity, the catalysis plates are sequentially arranged at intervals along the vertical direction, and UV light tubes are respectively arranged above and/or below each catalysis plate, and a nano titanium dioxide layer is coated on the surface of the catalysis plate;
the spraying and washing device comprises a second equipment shell, wherein an air inlet is formed in the bottom of the side wall of the second equipment shell, the air inlet of the second equipment shell is communicated with an air outlet of the first equipment shell through a pipeline, an air outlet is formed in the top of the second equipment shell, a packing layer, a spray head and a mist removing layer are sequentially arranged in the second equipment shell along the direction from bottom to top, a plurality of spray heads facing the packing layer are arranged in the second equipment shell, the packing layer absorbs spray liquid sprayed by the spray head, waste gas is subjected to absorption and collision capture reaction with the spray liquid absorbed by the packing layer and the spray liquid sprayed by the spray head, and the mist removing layer is used for removing mist from flowing air flow; the lower part of the second equipment shell is provided with a spray liquid water tank, and the bottom of the second equipment shell is provided with a water leakage hole communicated with the spray liquid water tank;
the air inlet of the booster fan is connected with the air outlet of the second equipment shell through a pipeline, the air outlet of the booster fan is connected with an air outlet pipe, the air outlet pipe is arranged in the vertical direction, the bottom of the air outlet pipe is connected with the air outlet of the booster fan, the air outlet pipe is a large-inner-diameter pipe part and a small-inner-diameter pipe part which are sequentially communicated in the direction from bottom to top, the inner diameter of the small-inner-diameter pipe part is smaller than that of the large-inner-diameter pipe part, and an air supplementing port communicated with an external space is arranged at the position of the small-inner-diameter pipe part close to the bottom of the small-inner-diameter pipe part.
2. A vertical spray exhaust treatment device according to claim 1, wherein the deflector is disposed in a vertical direction perpendicular to the direction of the air flow.
3. A vertical spray exhaust treatment device according to claim 1, wherein the packing layer and the demisting layer are disposed in a horizontal direction perpendicular to the air flow direction, and edges of the packing layer and the demisting layer are in sealing connection with an inner wall of the second device housing.
4. A vertical spray exhaust treatment device according to claim 1, wherein the spray head is connected to a drain pipe of the circulation pump via a water pipe, and a water inlet pipe of the circulation pump is connected to the spray liquid tank via a water pipe.
5. The vertical spray exhaust gas treatment device according to claim 4, wherein a gas sensor is arranged at the exhaust outlet of the second device housing, the gas sensor is connected with a controller, and the controller is respectively connected with each UV light tube and the circulating pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222984830.5U CN219149753U (en) | 2022-11-09 | 2022-11-09 | Vertical waste gas treatment equipment that sprays |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222984830.5U CN219149753U (en) | 2022-11-09 | 2022-11-09 | Vertical waste gas treatment equipment that sprays |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219149753U true CN219149753U (en) | 2023-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222984830.5U Active CN219149753U (en) | 2022-11-09 | 2022-11-09 | Vertical waste gas treatment equipment that sprays |
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|---|---|
| CN (1) | CN219149753U (en) |
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2022
- 2022-11-09 CN CN202222984830.5U patent/CN219149753U/en active Active
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