CN220861082U - Pollutant gas treatment device - Google Patents

Pollutant gas treatment device Download PDF

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Publication number
CN220861082U
CN220861082U CN202322521918.8U CN202322521918U CN220861082U CN 220861082 U CN220861082 U CN 220861082U CN 202322521918 U CN202322521918 U CN 202322521918U CN 220861082 U CN220861082 U CN 220861082U
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China
Prior art keywords
gas
treatment tower
ozone
potassium ferrate
treatment
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CN202322521918.8U
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Chinese (zh)
Inventor
鞠庆玲
冯润
刘启凯
黄丹
姜丽
谭洪伟
李坤朋
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Xiyuan Environmental Protection Shanghai Co Ltd
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Xiyuan Environmental Protection Shanghai Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Treating Waste Gases (AREA)

Abstract

The utility model relates to a pollutant gas treatment device, which comprises a treatment tower, a gas inlet, a gas outlet, a potassium ferrate dosing system, an ozone adding system and a circulating spraying system, wherein the potassium ferrate dosing system is connected with the treatment tower and is used for adding potassium ferrate particles into the treatment tower; the ozone adding system is connected with the treatment tower and is used for adding ozone into the treatment tower; the tail end of the circulating spraying system is provided with a spray head, the spray head is positioned between the gas inlet and the gas outlet, and the circulating spraying system is used for extracting liquid in the treatment tower and spraying the extracted liquid through the spray head. According to the utility model, the efficiency of treating pollutant gas can be improved through the cooperation of the potassium ferrate dosing system and the ozone adding system, and ferric ions are obtained after the oxidation-reduction reaction of the potassium ferrate and the pollutant gas, and the ferric ions are pollution-free, so that secondary pollution is avoided.

Description

Pollutant gas treatment device
Technical Field
The utility model belongs to the technical field of environmental purification, and particularly relates to a pollutant gas treatment device.
Background
With the gradual enhancement of environmental awareness, environmental requirements are more and more strict, and the waste gas treatment device is widely applied to the current industrial waste gas treatment field. Methods adopted in the exhaust gas treatment device for reprocessing the exhaust gas include a physical adsorption method, a biodegradation method and a chemical oxidation method.
When the chemical oxidation method is used for removing the pollutant gas, the general idea is to utilize the chemical agent or the oxidant to perform oxidation-reduction reaction with the pollutant gas, so as to achieve the aim of purifying the gas.
At present, the existing device for removing the pollutant gas by using the chemical oxidation method has the defects of low pollutant removal efficiency, possibility of secondary pollution and the like.
Disclosure of utility model
In order to solve all or part of the problems, the utility model aims to provide a pollutant gas treatment device, which can improve the efficiency of treating pollutant gas by matching a potassium ferrate dosing system with an ozone dosing system, and ferric ions are obtained after oxidation-reduction reaction of potassium ferrate and pollutant gas, and the ferric ions are pollution-free and therefore cannot produce secondary pollution.
According to one aspect of the present utility model, there is provided a contaminant gas treatment apparatus comprising a treatment column, a gas inlet and a gas outlet, further comprising:
The potassium ferrate dosing system is connected with the treatment tower and is used for adding potassium ferrate particles into the treatment tower;
the ozone adding system is connected with the treatment tower and is used for adding ozone into the treatment tower;
The tail end of the circulating spray system is provided with a spray head, the spray head is positioned between the gas inlet and the gas outlet, and the circulating spray system is used for extracting liquid in the treatment tower and spraying the extracted liquid through the spray head.
Further, the ozone adding system comprises an ozone generator, wherein the ozone generator is connected with an ozone flow pipeline, and the ozone flow pipeline extends into the treatment tower.
Further, a gas-liquid mixing unit is arranged in the treatment tower, the gas-liquid mixing unit is fixed at the lower part of the treatment tower, the ozone flowing pipeline extends into the gas-liquid mixing unit, and the gas-liquid mixing unit is used for enabling ozone to carry liquid to be sprayed upwards.
Further, the gas-liquid mixing unit includes the blender body, be equipped with in the blender body from the upper end to run through the passageway of the lower extreme of blender body, the middle part of passageway has a reducing, ozone circulation pipeline extends to stretch into in the passageway of reducing below, the lower extreme of passageway is connected with one-way circulation structure, one-way circulation structure is used for making the liquid in the processing tower one-way inflow to in the passageway, the minimum liquid level of liquid in the processing tower is located the top of the lower extreme of reducing, the maximum liquid level of liquid in the processing tower is located the below of the upper end of passageway.
Further, the one-way circulation structure is a one-way valve, and a gas booster pump is arranged on the ozone circulation pipeline.
Further, the potassium ferrate dosing system comprises a potassium ferrate storage tank, the potassium ferrate storage tank is connected with a potassium ferrate flow pipeline, the potassium ferrate flow pipeline extends into the treatment tower, and a metering pump is arranged on the potassium ferrate flow pipeline.
Further, the circulating spraying system comprises a spraying pipeline, a circulating pump is arranged on the spraying pipeline, one end of the spraying pipeline is connected with the spray head, and the other end of the spraying pipeline extends into the bottom of the treatment tower.
Further, the bottom of the treatment tower is connected with a drain pipe, and a drain valve is arranged on the drain pipe; the treatment tower is connected with a water supplementing pipe, and a water supplementing valve is arranged on the water supplementing pipe.
Further, the gas inlet is located below the gas outlet, and a filter layer is arranged in the treatment tower between the spray head and the gas outlet and is used for filtering water vapor in the gas.
Further, a packing layer consisting of suspending balls is filled in the treatment tower, a circulation channel is arranged between each suspending ball and the gas suspending ball adjacent to the suspending ball, and the packing layer is positioned between the spray head and the gas inlet.
According to the technical scheme, the pollutant gas treatment device provided by the utility model has the following beneficial effects:
according to the utility model, the efficiency of treating pollutant gas can be improved through the cooperation of the potassium ferrate dosing system and the ozone adding system, and ferric ions are obtained after the oxidation-reduction reaction of the potassium ferrate and the pollutant gas, and the ferric ions are pollution-free, so that secondary pollution is avoided.
Drawings
FIG. 1 is a schematic view of a contaminant gas processing apparatus according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a mixer body according to an embodiment of the utility model;
The reference numerals in the drawings are: the device comprises a treatment tower 1, a packing layer 2, a gas inlet 3, a drain valve 4, a one-way valve 5, a mixer body 6, a channel 61, a reducing 62, a circulating pump 7, a gas booster pump 8, an ozone generator 9, a water supplementing pipe 10, a metering pump 11, a potassium ferrate storage tank 12, a gas outlet 13 and a spray head 14.
Detailed Description
For a better understanding of the objects, structure and function of the utility model, a contaminant gas-treating apparatus according to the utility model will be described in further detail with reference to the accompanying drawings.
As shown in FIG. 1, the pollutant gas treatment device comprises a treatment tower 1, a gas inlet 3, a gas outlet 13, a potassium ferrate dosing system, an ozone adding system and a circulating spraying system, wherein the potassium ferrate dosing system is connected with the treatment tower 1, and is used for adding potassium ferrate particles into the treatment tower 1; the ozone adding system is connected with the treatment tower 1 and is used for adding ozone into the treatment tower 1; the end of the circulation spray system is provided with a spray head 14, the spray head 14 is positioned between the gas inlet 3 and the gas outlet 13, and the circulation spray system is used for extracting liquid in the treatment tower 1 and spraying the extracted liquid through the spray head 14.
Specifically, the potassium ferrate dosing system is used for adding potassium ferrate particles into the treatment tower 1, and the added potassium ferrate particles are mixed with liquid in the treatment tower 1 to obtain a potassium ferrate solution which can oxidize pollutant gas.
The ozone adding system is used for adding ozone into the treatment tower 1, and the added ozone can play an oxidation role on pollutant gas. The effect of purifying the pollutant gas can be further improved through the matching of ozone and potassium ferrate.
Specifically, the potassium ferrate solution is sprayed out from the spray head 14 through the circulating spray system, and the spray head 14 is arranged between the gas inlet 3 and the gas outlet 13, so that the potassium ferrate solution sprayed out from the spray head 14 can be contacted with pollutant gas in the falling process, and the pollutant gas is purified through oxidation reaction of the pollutant gas after the pollutant gas is contacted with the potassium ferrate solution, thereby realizing the purpose of purifying the pollutant gas through potassium ferrate; in addition, in the process of purifying the pollutant gas, the potassium ferrate is subjected to reduction reaction to obtain pollution-free ferric ions, so that the pollutant gas treated by the potassium ferrate cannot cause secondary pollution.
In one embodiment, the ozone adding system comprises an ozone generator 9, the ozone generator 9 being connected to an ozone flow conduit extending into the treatment tower 1.
In this embodiment, the ozone generator 9 is used to generate ozone gas, and the generated ozone gas is fed into the treatment tower 1 through an ozone flow pipe for purifying the contaminant gas.
In an embodiment, a gas-liquid mixing unit is arranged in the treatment tower 1, the gas-liquid mixing unit is fixed at the lower part of the treatment tower 1, an ozone flow pipeline extends into the gas-liquid mixing unit, and the gas-liquid mixing unit is used for enabling ozone to carry liquid to be sprayed upwards.
In this embodiment, the arrangement of the gas-liquid mixing unit enables ozone to carry liquid to be ejected upwards, and the effect of treating pollutant gas can be further improved through the arrangement of the gas-liquid mixing unit. Specifically, on the basis that ozone is known to be capable of purifying the contaminant gas, the potassium ferrate solution sprayed by the ozone in this embodiment is also capable of purifying the contaminant gas after contacting the contaminant gas.
In one embodiment, as shown in fig. 1-2, the gas-liquid mixing unit comprises a mixer body 6, a channel 61 extending from an upper end to a lower end penetrating through the mixer body 6 is arranged in the mixer body 6, a reduced diameter 62 is arranged in the middle of the channel 61, an ozone flow pipeline extends into the channel 61 below the reduced diameter 62, a unidirectional flow structure is connected to the lower end of the channel 61 and used for enabling liquid in the treatment tower 1 to flow into the channel 61 in a unidirectional manner, the lowest liquid level of the liquid in the treatment tower 1 is located above the lowest end of the reduced diameter 62, and the highest liquid level of the liquid in the treatment tower 1 is located below the uppermost end of the channel 61.
In this embodiment, the gas-liquid mixing unit includes a mixer body 6, a channel 61 extending from an upper end to a lower end is formed in the mixer body 6, and a unidirectional flow structure is connected to the lower end of the channel 61, so that the liquid in the processing tower 1 can enter the channel 61 through the unidirectional flow structure.
The reducing diameter 62 is arranged in the middle of the channel 61, and the ozone flow channel extends into the channel 61 below the reducing diameter 62, so that ozone entering the channel 61 cannot flow out through the unidirectional flow structure, can only move upwards along the channel 61, and can pass through the reducing diameter 62 when moving upwards along the channel 61, so that the pressure of the ozone is increased, and the ozone with increased pressure is sprayed out of the channel after passing through the reducing diameter 62.
The lowest liquid level of the liquid in the treatment tower 1 is located above the lowermost end of the reducing diameter 62, so that the liquid is arranged in the channel, the liquid level of the liquid is equal to the liquid level in the treatment tower 1, the highest liquid level of the liquid in the treatment tower 1 is located below the uppermost end of the channel, the problem that the upward spraying cannot be caused due to the fact that the pressure is reduced after the ozone leaves the channel due to the fact that the movement path of the upward spraying ozone is too long can be avoided, the ozone with increased pressure can be smoothly carried with the liquid in the channel to be sprayed upwards, and the purpose of purifying pollutant gas again through the upward sprayed liquid is achieved.
In the concrete implementation, the one-way circulation structure is a one-way valve 5, and a gas booster pump 8 is arranged on the ozone circulation pipeline. The gas booster pump 8 is provided for pressurizing ozone in the ozone flow path.
In addition, when in implementation, the addition amount and the addition frequency of ozone can be controlled by an electric control system according to specific working conditions.
In one embodiment, the potassium ferrate dosing system comprises a potassium ferrate storage tank 12, wherein the potassium ferrate storage tank 12 is connected with a potassium ferrate flow pipeline, the potassium ferrate flow pipeline extends into the treatment tower 1, and a metering pump 11 is arranged on the potassium ferrate flow pipeline.
In this embodiment, the potassium ferrate storage tank 12 is used for containing potassium ferrate particles, the potassium ferrate flow pipeline is used for delivering the potassium ferrate in the potassium ferrate storage tank 12 into the treatment tower 1, the potassium ferrate particles delivered into the treatment tower 1 are changed into potassium ferrate solution after being contacted with water, and the potassium ferrate solution is sprayed out through the spray nozzle 14 to purify the gas. In specific implementation, a dampproof storage tank can be selected as the potassium ferrate storage tank.
The metering pump 11 is used to power the flow of the potassium ferrate, while the metering pump 11 is also used to record the amount of potassium ferrate added. In the specific embodiment, for example, a screw metering pump 11 is used as the metering pump 11 of the present embodiment.
In addition, in the implementation, the addition amount and the addition frequency of the potassium ferrate can be controlled by an electric control system according to specific working conditions.
In one embodiment, the circulating spray system comprises a spray pipe, the spray pipe is provided with a circulating pump 7, one end of the spray pipe is connected with a spray head 14, and the other end of the spray pipe extends into the bottom of the treatment tower 1.
In this embodiment, the circulation pump 7 is used to pump the liquid at the bottom of the treatment tower 1 to be ejected through the shower head 14. In particular embodiments, the cyclic spray system may be configured to continuously spray such that the potassium ferrate solution is continuously sprayed during one treatment cycle or treatment task.
In one embodiment, the bottom of the treatment tower 1 is connected with a drain pipe, and a drain valve 4 is arranged on the drain pipe; the treatment tower 1 is connected with a water supplementing pipe 10, and a water supplementing valve is arranged on the water supplementing pipe 10.
In this embodiment, the drain pipe is used to drain the liquid in the treatment tower 1 after one treatment cycle or treatment task is completed, and the drain valve 4 is provided to control whether the liquid in the treatment tower 1 starts to be drained. The water supplementing pipe 10 is used for supplementing water into the treatment tower 1 after the next treatment period or treatment task is started, the water supplemented into the treatment tower 1 is contacted with potassium ferrate to form potassium ferrate solution again, and the water supplementing valve is used for controlling whether water supplementing is started or not.
In one embodiment, the gas inlet 3 is located below the gas outlet 13, and a filter layer is provided in the treatment tower 1 between the shower head 14 and the gas outlet 13, the filter layer being used for filtering water vapor in the gas.
In this embodiment, the gas inlet 3 is located below the gas outlet 13, so that the contaminant gas entering the treatment tower 1 contacts with potassium ferrate moving from top to bottom in the treatment tower 1 during the process of moving from bottom to top, and the effect of gas purification can be further improved by using the arrangement of relative flow. The filter layer is arranged to filter water vapour in the treated gas, thereby obtaining a relatively dry gas.
In one embodiment, the treatment tower 1 is filled with a packing layer 2 consisting of suspension balls, a circulation channel is arranged between each suspension ball and the gas suspension ball adjacent to the suspension ball, and the packing layer 2 is positioned between the spray head 14 and the gas inlet 3.
The filler layer 2 is arranged to buffer the gas introduced into the treatment tower 1, so as to avoid the problem that the gas is discharged from the gas outlet 13 after being purified due to too high speed of the polluted gas introduced into the treatment tower 1.
In particular arrangements, a potassium ferrate flow conduit coupled to the potassium ferrate reservoir 12 may be configured to extend into the packing layer 2.
For the purpose of facilitating understanding of the embodiments of the present utility model, the following details of the embodiments of the present utility model are described in terms of a process flow:
Firstly, before pollutant gas is introduced into the treatment tower 1, checking whether liquid in the treatment tower 1 is discharged after the last treatment period is finished; if not, firstly opening a drain valve 4 to drain the liquid in the treatment tower 1; if the liquid in the treatment tower 1 is already discharged, a water supplementing valve is opened, and a proper amount of water is added into the treatment tower 1;
The metering pump 11 is started to pump a certain amount of potassium ferrate particles into the treatment tower 1 for the first time, and the adding amount and the adding frequency of the potassium ferrate can be controlled by an electric control system after parameters are set according to actual working conditions; starting an ozone generator 9 and a gas booster pump 8, pumping ozone into the treatment tower 1, wherein the adding amount and the adding frequency of each ozone can be controlled by an electric control system after parameters are set according to actual working conditions;
Firstly, starting a circulating pump 7 to enable a circulating spraying system to start working, and introducing gas into the treatment tower 1; the spray head 14 sprays the potassium ferrate solution from top to bottom, and simultaneously ozone is sprayed from the gas-liquid mixing unit, the ozone spraying drives the potassium ferrate solution to spray upwards, the pollutant gas moving from bottom to top in the treatment tower 1 is subjected to oxidation treatment under the combined action of the three aspects, and the treated gas is discharged from the gas outlet 13.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs.
Furthermore, the terms "a," "an," "the" and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, the meaning of "plurality" is two or more unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. A pollutant gas treatment device comprising a treatment tower, a gas inlet and a gas outlet, characterized by further comprising:
The potassium ferrate dosing system is connected with the treatment tower and is used for adding potassium ferrate particles into the treatment tower;
the ozone adding system is connected with the treatment tower and is used for adding ozone into the treatment tower;
The tail end of the circulating spray system is provided with a spray head, the spray head is positioned between the gas inlet and the gas outlet, and the circulating spray system is used for extracting liquid in the treatment tower and spraying the extracted liquid through the spray head.
2. The contaminant gas treatment apparatus of claim 1, wherein the ozone addition system comprises an ozone generator connected to an ozone flow conduit extending into the treatment tower.
3. The pollutant gas treatment device according to claim 2, wherein a gas-liquid mixing unit is arranged in the treatment tower, the gas-liquid mixing unit is fixed at the lower part of the treatment tower, the ozone flow pipeline extends into the gas-liquid mixing unit, and the gas-liquid mixing unit is used for enabling ozone to carry liquid to be sprayed upwards.
4. A pollutant gas treating device according to claim 3, wherein the gas-liquid mixing unit comprises a mixer body, a channel extending from an upper end to a lower end penetrating through the mixer body is arranged in the mixer body, a reduced diameter is arranged in the middle of the channel, the ozone flow pipeline extends into the channel extending below the reduced diameter, a unidirectional flow structure is connected to the lower end of the channel, the unidirectional flow structure is used for enabling liquid in the treating tower to flow into the channel in a unidirectional manner, the lowest liquid level of the liquid in the treating tower is located above the lowest end of the reduced diameter, and the highest liquid level of the liquid in the treating tower is located below the uppermost end of the channel.
5. The pollutant gas treatment device of claim 4, wherein the unidirectional flow structure is a unidirectional valve, and the ozone flow conduit is provided with a gas booster pump.
6. The contaminant gas treatment apparatus of claim 1, wherein the potassium ferrate dosing system comprises a potassium ferrate storage tank, the potassium ferrate storage tank being connected with a potassium ferrate flow conduit extending into the treatment tower, the potassium ferrate flow conduit having a metering pump disposed thereon.
7. The pollutant gas treatment device according to any one of claims 1 to 6, wherein the circulating spray system comprises a spray pipe, a circulating pump is arranged on the spray pipe, one end of the spray pipe is connected with the spray head, and the other end of the spray pipe extends into the bottom of the treatment tower.
8. The pollutant gas treatment device according to claim 7, wherein a drain pipe is connected to the bottom of the treatment tower, and a drain valve is arranged on the drain pipe; the treatment tower is connected with a water supplementing pipe, and a water supplementing valve is arranged on the water supplementing pipe.
9. The contaminant gas processing apparatus of claim 7, wherein said gas inlet is positioned below said gas outlet, and wherein a filter layer is positioned in said processing column between said showerhead and said gas outlet, said filter layer being adapted to filter water vapor in the gas.
10. The pollutant gas treatment device of claim 7, wherein the treatment tower is filled with a packing layer consisting of suspended balls, each suspended ball and the gas suspended ball adjacent to the suspended ball are provided with a flow passage, and the packing layer is positioned between the spray head and the gas inlet.
CN202322521918.8U 2023-09-15 2023-09-15 Pollutant gas treatment device Active CN220861082U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322521918.8U CN220861082U (en) 2023-09-15 2023-09-15 Pollutant gas treatment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322521918.8U CN220861082U (en) 2023-09-15 2023-09-15 Pollutant gas treatment device

Publications (1)

Publication Number Publication Date
CN220861082U true CN220861082U (en) 2024-04-30

Family

ID=90814735

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322521918.8U Active CN220861082U (en) 2023-09-15 2023-09-15 Pollutant gas treatment device

Country Status (1)

Country Link
CN (1) CN220861082U (en)

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