CN214635347U - Combustion flue gas purification device - Google Patents
Combustion flue gas purification device Download PDFInfo
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- CN214635347U CN214635347U CN202120255732.0U CN202120255732U CN214635347U CN 214635347 U CN214635347 U CN 214635347U CN 202120255732 U CN202120255732 U CN 202120255732U CN 214635347 U CN214635347 U CN 214635347U
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- flue gas
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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
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
The utility model provides a burning gas cleaning device, include: the wet electrostatic dedusting device comprises an air inlet, a liquid tank, a wet electrostatic dedusting cavity, a spraying structure and a long chimney, wherein the air inlet is arranged on the side of the wet electrostatic dedusting cavity, the liquid tank is arranged at the bottom of the wet electrostatic dedusting cavity, the spraying structure is arranged at the top end of the interior of the wet electrostatic dedusting cavity, and the long chimney is arranged at the top end of the exterior of the wet electrostatic dedusting cavity. That is to say, the utility model discloses burning flue gas only needs via wet process electrostatic precipitator chamber under the effect of spraying structure and liquid case, just can adsorption treatment fall particulate matter in the burning flue gas, tar, sulfur nitrogen oxide, organic waste gas molecules and organic matter impurity such as VOCs and carbon monoxide to the clean gas that will produce is discharged via long chimney, with this realize the purpose of quick and high-efficient purification burning flue gas, combustion flue gas purification efficiency has been improved greatly, moreover, the steam generator is simple in structure, easy to operate, and is with low costs, high reliability, has wide application in the environmental protection field.
Description
Technical Field
The utility model belongs to the technical field of flue gas purification, a but not limited to a burning gas cleaning device is related to.
Background
At present, combustion flue gas can be generated when people burn, such as rural earthen beds, kitchen stoves, crop straws and the like, and the combustion flue gas comprises VOCS, particulate matters, tar, nitric oxide, sulfur oxides, carbon monoxide and other components which are harmful to human health and pollute the environment. Therefore, how to purify the combustion flue gas becomes one of the key problems which need to be solved urgently at present.
Among the current straw burning flue gas processing apparatus, when the flue gas that the burning of living beings straw produced gets into accuse temperature wet-type atomizing dust remover in, black carbon particle and dust remover inner wall collision in the flue gas, assemble into the large granule and fall into in the accuse temperature wet-type atomizing dust remover ash bucket along the inner wall, the fine particle thing that is not got rid of is got into in follow-up dust remover body along with the flue gas and is intercepted and get rid of, and clean air is discharged through main fan.
However, the existing straw combustion flue gas treatment device firstly removes large particles and then removes fine particles to purify the straw combustion flue gas, so that the purification efficiency of the combustion flue gas is not high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a burning gas cleaning device to above-mentioned prior art not enough of existence at the purification flue gas in-process to solve present straw burning gas treatment device and get rid of the mode purification straw burning gas that the fine particle was got rid of earlier to the big particulate matter, back and the problem that burning gas cleaning efficiency is not high that leads to.
In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:
the embodiment of the utility model provides a burning gas cleaning device, the device includes: the device comprises an air inlet, a liquid tank, a wet electrostatic dust removal cavity, a spraying structure and a long chimney;
the air inlet is arranged on the side of the wet electrostatic dedusting cavity, the liquid tank is arranged at the bottom of the wet electrostatic dedusting cavity, the spraying structure is arranged at the top end of the interior of the wet electrostatic dedusting cavity, and the long chimney is arranged at the top end of the exterior of the wet electrostatic dedusting cavity.
Optionally, the cavity wall of the wet electrostatic dust collection cavity is connected to the anode and is made of a metal stainless steel material.
Optionally, a cathode electrode is arranged in the wet electrostatic dust collection cavity, the cathode electrode is a multi-needle cathode or a bur electrode, and the cathode electrode is externally connected with a negative high-voltage power supply.
Optionally, when the cathode electrode is a multi-needle cathode, the multi-needle cathode includes a bent plate electrode with multiple needle points and is formed by folding a metal strip with the needle points, and the multi-needle cathode is made of a high-temperature-resistant and corrosion-resistant metal material.
Optionally, when the cathode electrode is a prickle electrode, the prickle electrode is a three-dimensional prickle electrode, the three-dimensional prickle electrode comprises a plurality of prickles, and each prickle is a high-temperature-resistant metal needle.
Optionally, a high-voltage-resistant insulating terminal is arranged between the cathode electrode and the wet electrostatic dust collection cavity, and an insulating protective sleeve is externally connected to the high-voltage-resistant insulating terminal.
Optionally, the device further comprises a pump and a filter screen, wherein the filter screen is arranged around the pump, and the pump is arranged in the liquid tank.
Optionally, the spraying direction of the spraying structure is from top to bottom, and the spraying structure is a cross sprayer or comprises a plurality of spray heads.
Optionally, the liquid tank is connected to the spray structure via the pump.
Optionally, the long chimney is formed by stacking bricks or the long chimney is made of a metal material.
The utility model has the advantages that: a combustion flue gas cleaning apparatus comprising: the device comprises an air inlet, a liquid tank, a wet electrostatic dust removal cavity, a spraying structure and a long chimney; the air inlet is arranged on the side of the wet electrostatic dedusting cavity, the liquid tank is arranged at the bottom of the wet electrostatic dedusting cavity, the spraying structure is arranged at the top end of the interior of the wet electrostatic dedusting cavity, and the long chimney is arranged at the top end of the exterior of the wet electrostatic dedusting cavity. That is to say, the utility model discloses the burning flue gas only needs via wet process electrostatic precipitator chamber under the effect of spraying structure and liquid case, just can adsorb the particulate matter in the burning flue gas, tar, sulfur nitrogen oxide, organic waste gas molecules such as VOCs and carbon monoxide and organic matter impurity, thereby discharge the clean gas that produces via long chimney, with this purpose of realizing quick and high-efficient purification burning flue gas, solved present straw burning flue gas processing apparatus and got rid of big particulate matter earlier, the mode of later getting rid of fine particle purifies the burning flue gas and the not high problem of burning flue gas purification efficiency that leads to, combustion flue gas purification efficiency has been improved greatly, and the device has simple structure, easy operation, and is with low costs, the reliability is high, but continuous operation's advantage, have wide application in the environmental protection field, thereby combustion flue gas purification device's life has been improved greatly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of a combustion flue gas purification apparatus according to an embodiment of the present invention;
fig. 2 is a schematic view of a multi-pin cathode according to an embodiment of the present invention.
Icon: 1-air inlet, 2-liquid box, 3-wet electrostatic dedusting cavity, 4-spraying structure, 5-long chimney and 31-cathode electrode.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without any creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
Here, the related terms in the embodiments of the present invention are explained:
wet dedusting, which is to make the waste gas closely contact with liquid to separate pollutants from the waste gas, can purify solid particle pollutants in the waste gas, can also remove gaseous pollutants, and can also play a role in cooling gas.
The electrostatic precipitator adopts wet electrostatic precipitation, and forms a layer of water film on the surface of a dust collecting electrode by using modes of water spraying or overflow water and the like, so as to realize the ash removal of a polar plate. The wet-type dust removal can avoid the re-flying of the deposited dust, and the high dust removal efficiency is achieved.
Fig. 1 is a schematic view of a combustion flue gas purification apparatus provided in an embodiment of the present invention. The following describes in detail a combustion flue gas purification apparatus provided in an embodiment of the present invention with reference to fig. 1.
Fig. 1 is a schematic view of a combustion flue gas purification device provided by an embodiment of the present invention, as shown in fig. 1, this combustion flue gas purification device includes: the device comprises an air inlet 1, a liquid tank 2, a wet electrostatic dust removal cavity 3, a spraying structure 4, a long chimney 5 and a cathode electrode 31.
The air inlet 1 is arranged on the side of the wet electrostatic dust collection cavity 3, the liquid tank 2 is arranged at the bottom of the wet electrostatic dust collection cavity 3, the spraying structure 4 is arranged at the top end of the interior of the wet electrostatic dust collection cavity 3, and the long chimney 5 is arranged at the top end of the exterior of the wet electrostatic dust collection cavity 3.
The embodiment of the utility model provides an in, indoor and its processing object can be for burning the flue gas in the device can be arranged in, and burning the flue gas can include the flue gas that rural burned earthen kang produced, burn flue gas such as crop straw, kitchen top of a kitchen range, can include organic waste gas molecule and organic matter impurity in the burning flue gas, and organic matter impurity can include particulate matter, dust, lime-ash, tar etc. and the organic waste gas molecule can include nitrogen oxide, oxysulfide, VOCs and carbon monoxide etc..
In the embodiment of the utility model provides an in, the chamber wall in wet process electrostatic precipitator chamber 3 can connect the positive pole, for example ground connection to, the chamber wall in wet process electrostatic precipitator chamber 3 can be metal stainless steel material.
The embodiment of the utility model provides an in, wet process electrostatic precipitator chamber 3 can embed has cathode electrode 31, and cathode electrode 31 can be many needles negative pole or prickle electrode, and cathode electrode 31 can external burden high voltage power supply.
Optionally, the distance between the cathode electrode 31 and the wall of the wet electrostatic dust collection chamber 3 is adjustable and can be 4 cm-20 cm, and the voltage of the negative high-voltage power supply can be-4 KV-30 KV
Alternatively, when the cathode electrode 31 is a multi-needle cathode, as shown in fig. 2, the multi-needle cathode may include a bent plate electrode with multiple needle points and is formed by folding a metal strip with a needle point, and the multi-needle cathode may be made of a high-temperature-resistant and corrosion-resistant metal material.
Optionally, when the cathode electrode 31 is a prickle electrode, the prickle electrode may be a three-dimensional prickle electrode, the three-dimensional prickle electrode may include a plurality of prickles, and each prickle may be a high temperature resistant metal needle.
Illustratively, the bur electrode can be a three-dimensional bur electrode similar to a Chinese honeylocust tree, so that the collision frequency and the charging efficiency of particles, dust, tar, ash and the like in combustion smoke and negative electrons are improved.
Optionally, the prickle electrode can be a prickle metal mesh, and the prickle electrode can be supported by a framework when being the prickle metal mesh, and a cylindrical airway can be formed when the framework supports the prickle metal mesh, and the cylindrical airway can be directly communicated to the long chimney 5.
Illustratively, the barbed metal mesh may be a metal mesh with barbs, the barbs may be a high-temperature-resistant metal material, and the metal mesh may be an anticorrosive metal material; the skeleton can be made of organic insulating materials such as ceramics, polytetrafluoroethylene and the like. The metal can be stainless steel, and the stainless steel can prevent corrosion.
The embodiment of the utility model provides an in, can be provided with high voltage resistant insulating terminal between negative pole electrode 31 and the wet process electrostatic precipitator chamber 3, high voltage resistant insulating terminal is external to have insulating protective sheath.
It should be noted that, because the cathode electrode 31 in the wet electrostatic dust collection cavity 3 is externally connected with a negative high voltage power supply, high voltage resistant insulated terminals can be arranged at the connection positions of the wet electrostatic dust collection cavity 3 and the cathode electrode 31, so as to avoid hurting people by high voltage. In addition, in order to prolong the service life of the high-voltage-resistant insulating terminal, an external insulating protective sleeve of the high-voltage-resistant insulating terminal can be arranged, so that the service life of the high-voltage-resistant insulating terminal is prolonged.
In the embodiment of the utility model provides an in, the device still includes pump and filter screen, and the filter screen setting is around the pump, and the pump setting is in liquid tank 2.
It should be noted that the filter screen arranged around the pump can be used for filtering impurities such as dust and particulate matters, so that the pump is not blocked, and the filter screen can be cleaned regularly.
The embodiment of the utility model provides an in, the direction of spraying that sprays structure 4 is from top to bottom to spray structure 4 for alternately spraying the ware or including a plurality of shower nozzles.
It should be noted that the liquid in the liquid tank 2 is sprayed into the wet electrostatic dust removal chamber 3 under the action of the spraying structure 4 and the pump, so that the liquid in the liquid tank 2 flows down along the inner wall of the wet electrostatic dust removal chamber 3, and then the whole inner wall forms a water film and the water film covers the water film for anode dust removal, that is, when the cathode electrode 31 is connected with the negative high voltage power supply and the wall of the wet electrostatic dust removal chamber 3 is grounded, the cathode electrode 31 emits negative electrons which are attached to organic impurities such as particles, dust, ash, tar and the like in the combustion flue gas and organic exhaust gas molecules such as nitric oxide, sulfur oxide, VOCs and carbon monoxide and the like, and can move towards the inner wall of the wet electrostatic dust removal chamber 3 and flow into the liquid tank 2 along the inner wall under the action of the liquid sprayed by the spraying structure 4, and because the water film is formed on the inner wall, the charged organic impurities such as charged particles, tar and charged dust and the charged sulfur oxide are injected into the liquid tank 2 along the inner wall, Charged organic waste gas molecules such as charged nitrogen oxides and the like flow down to the liquid tank 2 along the inner wall under the action of the sprayed liquid, so that the inner wall of the wet electrostatic dust collection cavity 3 is not polluted.
Optionally, the liquid tank 2 is connected to the spray structure 4 via a pump, and the liquid in the liquid tank 2 may comprise water.
It should be noted that the liquid in the liquid tank 2 can be recycled, organic impurities such as particulate matters, dust, ash, tar and the like in the combustion flue gas and organic waste gas molecules such as nitrogen oxides, sulfur oxides, VOCs, carbon monoxide and the like can react with each other when being washed into the liquid tank 2, and the residual liquid after the reaction can be collected by using a liquid collecting container. Since carbon monoxide, tar, sulfur oxide, nitrogen oxide and the like are good pesticides, organic waste gas molecules and organic impurities in the combustion flue gas can be washed into the liquid in the liquid tank 2 and react with each other after the combustion flue gas is purified by recycling the liquid in the liquid tank 2 under the action of the pump and the spraying structure 4 until the concentration of the residual liquid after reaction reaches the concentration of the crop pesticide, and the residual liquid is collected into a liquid collecting container so as to be sprayed into crops in the agricultural land for subsequent pest killing and sterilization treatment.
In the embodiment of the present invention, the long chimney 5 is formed by piling bricks or the long chimney 5 is made of metal.
It should be noted that the long chimney 5 is arranged to discharge the purified clean gas, because the pressure at the bottom of the long chimney 5 is lower than the pressure outside the long chimney 5, and the pressure at the bottom of the long chimney 5 is low because the density of the air at the bottom is reduced due to the rise of the hot flue gas, a proper negative pressure can be formed, and a fan is not required to be arranged to draw air outwards, thereby saving the cost.
The clean gas may include nitric oxide, carbon dioxide, water vapor, and other gases that meet emission standards.
Optionally, when the spraying structure 41 is a plurality of spraying heads, the plurality of spraying heads may be arranged in a circle along the top end inside the wet electrostatic dust collection cavity 3, and the spraying direction of each spraying head is downward.
It should be noted that the pump is connected to the water pipe and pumps the liquid in the liquid tank 2 upwards after pressurization, so that the liquid in the liquid tank 2 is sprayed onto the inner wall of the wet electrostatic dust-removing chamber 3 through the plurality of spray headers of the spray structure 4.
In the embodiment of the utility model, the device also comprises a controller and a sensor, the controller can control the device to be opened and closed, and can also monitor the states of the negative high-voltage power supply, the spraying structure 4 and/or the cathode electrode; the sensor can be used for detecting the concentration of liquid in the liquid tank 2 and/or the concentration of gas at the long chimney 5, so that the controller can adjust the power of the negative high-voltage power supply and/or the spraying amount of the spraying structure 4 according to the concentration of the liquid in the liquid tank 2 and/or the concentration of the gas at the long chimney 5, and can also judge whether to start the liquid in the liquid collecting container 2 after reaction.
In the embodiment of the utility model, when the combustion flue gas enters the wet electrostatic dust collection cavity 3 from the gas inlet 1, the cathode electrode 31 emits negative electrons under the action of the negative high-voltage power supply, and the emitted negative electrons can be attached to organic matter impurities such as particulate matters, dust, ash residues, tar and the like in the combustion flue gas and organic waste gas molecules such as nitric oxide, sulfur oxide, VOCs, carbon monoxide and the like and move towards the inner wall of the wet electrostatic dust collection cavity 3 under the action of grounding of the cavity wall of the wet electrostatic dust collection cavity 3, the liquid in the liquid box 2 sprays the liquid into the wet electrostatic dust collection cavity 3 under the action of the pump and the spraying structure 4, and the sprayed liquid flows into the liquid box 2 along the inner wall of the liquid box under the action of the sprayed liquid, namely, organic waste gas molecules and organic impurities in the combustion flue gas are subjected to wet electrostatic dust removal treatment, and finally, the clean gas generated after the treatment is discharged through a long chimney 5. So repeated, realize the high efficiency and quick purification treatment to the burning flue gas.
The embodiment of the utility model provides an in disclose, a burning gas cleaning device, include: the device comprises an air inlet, a liquid tank, a wet electrostatic dust removal cavity, a spraying structure and a long chimney; the air inlet is arranged on the side of the wet electrostatic dedusting cavity, the liquid tank is arranged at the bottom of the wet electrostatic dedusting cavity, the spraying structure is arranged at the top end of the interior of the wet electrostatic dedusting cavity, and the long chimney is arranged at the top end of the exterior of the wet electrostatic dedusting cavity. That is to say, the utility model discloses the burning flue gas only needs via wet process electrostatic precipitator chamber under the effect of spraying structure and liquid case, just can adsorb the particulate matter in the burning flue gas, tar, sulfur nitrogen oxide, organic waste gas molecules such as VOCs and carbon monoxide and organic matter impurity, thereby discharge the clean gas that produces via long chimney, with this purpose of realizing quick and high-efficient purification burning flue gas, solved present straw burning flue gas processing apparatus and got rid of big particulate matter earlier, the mode of later getting rid of fine particle purifies the burning flue gas and the not high problem of burning flue gas purification efficiency that leads to, combustion flue gas purification efficiency has been improved greatly, and the device has simple structure, easy operation, and is with low costs, the reliability is high, but continuous operation's advantage, have wide application in the environmental protection field, thereby combustion flue gas purification device's life has been improved greatly.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A combustion flue gas cleaning apparatus, characterized in that the apparatus comprises: the device comprises an air inlet (1), a liquid tank (2), a wet electrostatic dust removal cavity (3), a spraying structure (4) and a long chimney (5);
wherein, air inlet (1) sets up the lateral part in wet process electrostatic precipitator chamber (3), liquid case (2) set up the bottom in wet process electrostatic precipitator chamber (3), it sets up to spray structure (4) the inside top in wet process electrostatic precipitator chamber (3), long chimney (5) set up in the outside top in wet process electrostatic precipitator chamber (3).
2. The combustion flue gas purification device according to claim 1, wherein the wall of the wet electrostatic precipitator chamber (3) is connected to an anode and the wall of the wet electrostatic precipitator chamber (3) is made of a metallic stainless steel material.
3. The combustion flue gas purification device according to claim 2, wherein a cathode electrode (31) is arranged in the wet electrostatic dust removal cavity (3), the cathode electrode (31) is a multi-needle cathode or a bur electrode, and the cathode electrode (31) is externally connected with a negative high-voltage power supply.
4. The combustion flue gas purification device according to claim 3, wherein when the cathode electrode (31) is a multi-needle cathode, the multi-needle cathode comprises a bent plate electrode with a plurality of needle points and is formed by folding a metal strip with a needle point, and the multi-needle cathode is made of a high-temperature-resistant and corrosion-resistant metal material.
5. The combustion gas cleaning device according to claim 3, wherein when the cathode electrode (31) is a bur electrode, the bur electrode is a three-dimensional bur electrode, the three-dimensional bur electrode comprises a plurality of burs thereon, and each of the burs is a high temperature resistant metal needle.
6. The combustion flue gas purification device according to claim 3, wherein a high voltage resistant insulating terminal is arranged between the cathode electrode (31) and the wet electrostatic dust collection chamber (3), and an insulating protective sleeve is externally connected to the high voltage resistant insulating terminal.
7. The combustion gas cleaning device according to claim 1, characterized in that the device further comprises a pump and a filter screen, the filter screen being arranged around the pump, the pump being arranged in the liquid tank (2).
8. The combustion gas cleaning device according to claim 7, characterized in that the spraying direction of the spraying structure (4) is from top to bottom, and the spraying structure (4) is a cross sprayer or comprises a plurality of spray heads.
9. The combustion gas cleaning device according to claim 8, characterized in that the liquid tank (2) is connected with the sprinkling structure (4) via the pump.
10. The combustion flue gas cleaning device according to claim 1, characterized in that the long chimney (5) is formed by brick piling or the long chimney (5) is made of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120255732.0U CN214635347U (en) | 2021-01-29 | 2021-01-29 | Combustion flue gas purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120255732.0U CN214635347U (en) | 2021-01-29 | 2021-01-29 | Combustion flue gas purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214635347U true CN214635347U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120255732.0U Active CN214635347U (en) | 2021-01-29 | 2021-01-29 | Combustion flue gas purification device |
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| CN (1) | CN214635347U (en) |
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2021
- 2021-01-29 CN CN202120255732.0U patent/CN214635347U/en active Active
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