CN215506059U - Rhombus filter drum dust remover - Google Patents
Rhombus filter drum dust remover Download PDFInfo
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- CN215506059U CN215506059U CN202120360796.7U CN202120360796U CN215506059U CN 215506059 U CN215506059 U CN 215506059U CN 202120360796 U CN202120360796 U CN 202120360796U CN 215506059 U CN215506059 U CN 215506059U
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Abstract
The utility model discloses a diamond-shaped filter cylinder dust remover which is characterized by comprising a support, wherein a dust removing chamber is arranged at the upper part of the support, a diamond-shaped filter cylinder is transversely arranged in the dust removing chamber, a clean air chamber connected with a rack is arranged at one side of the dust removing chamber, a partition plate is arranged between the dust removing chamber and the clean air chamber, an ash hopper connected with the rack is arranged below the dust removing chamber, an air inlet is arranged at one side of the dust removing chamber, an air outlet is arranged at one side of the clean air chamber, and a pulse back-blowing component is also arranged at one side of the clean air chamber; the rhombic filter cylinder comprises an inner support net and an outer support net, a filter material layer which is folded in a wave shape is arranged between the inner support net and the outer support net, fixed mounting rings are arranged at two ends of the inner support net and the outer support net, and a nanofiber spinning layer is attached to the surface of the wave-shaped folded filter material layer. The diamond-shaped filter cylinder dust remover has the characteristics of simple structure, high gas filtering efficiency, long service life, capability of obviously increasing the effective filtering area and the like.
Description
Technical Field
The utility model relates to the technical field of air dust removal, in particular to a diamond-shaped filter cylinder dust remover.
Background
The equipment for separating the industrial dust from the flue gas is called an industrial dust collector or an industrial dust removing equipment. The performance of a precipitator is expressed in terms of the amount of gas that can be treated, the resistance loss of the gas as it passes through the precipitator, and the efficiency of the precipitation. Common industrial dust removal equipment includes bag-type dust collectors, cartridge dust collectors, electrostatic dust collectors, cyclone dust collectors, and the like. The industrial dust collector is widely applied to the recycling of workshop dust purification bodies and dust-containing gases in the industries of metallurgy, mines, building materials, casting, chemical industry, tobacco, electronics, asphalt, cement, machinery, grain, machining, boilers and the like. The existing filter drum type dust remover with a cylindrical structure has the advantages that the accumulation area of dust collected by a filter drum on the upper part of a filter element is large, the accumulation area of the dust on the upper part of the filter element is about 25 percent of the whole area, after the filter drum type dust remover is used for a period of time, when the filter drum is subjected to back flushing, the accumulated dust is not easy to fall off, namely the effective filtering area of the filter drum after the filter drum is used for a period of time is only about 75 percent, and therefore the service life of the filter drum is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide the diamond-shaped filter cylinder dust remover which has the advantages of simple structure, high gas filtering efficiency and long service life and can obviously increase the effective filtering area.
In order to achieve the purpose, the technical scheme of the utility model is to provide a diamond-shaped filter cylinder dust remover which comprises a support, wherein a dust chamber is arranged at the upper part of the support, a diamond-shaped filter cylinder is transversely arranged in the dust chamber, a clean air chamber connected with a rack is arranged at one side of the dust chamber, a partition plate is arranged between the dust chamber and the clean air chamber, an ash hopper connected with the rack is arranged below the dust chamber, an air inlet is arranged at one side of the dust chamber, an air outlet is arranged at one side of the clean air chamber, and a pulse back-blowing component is also arranged at one side of the clean air chamber; the rhombic filter cylinder comprises an inner support net and an outer support net, a filter material layer which is folded in a wave shape is arranged between the inner support net and the outer support net, fixed mounting rings are arranged at two ends of the inner support net and the outer support net, a nanofiber spinning layer is attached to the surface of the wave-shaped folded filter material layer, and an antistatic coating and an anticorrosive coating are further arranged on the surface of the wave-shaped folded filter material layer.
In order to better reduce the accumulation area of dust on the top of the filter cylinder and improve the smooth flowing shape of the treated gas flowing on the surface of the filter cylinder, the preferred technical scheme is that the rhombic filter cylinder comprises a rhombic long shaft and a rhombic short shaft, the long shaft of the rhombic filter cylinder is vertically arranged in the dust removal chamber, the short shaft is transversely arranged, and the ratio of the rhombic long shaft to the rhombic short shaft is 1: 0.3-0.8.
In order to avoid mixing of the filtered gas and the unfiltered gas and reduce the power consumption of the fan on the exhaust end side, a more preferable technical scheme is that a sealing end cover of a diamond filter cylinder is arranged on one side of the dust chamber.
In order to discharge dust deposited on the outer surface of the filter cylinder into a meeting place through a back-blowing dust removal method, and then perform centralized recovery processing, the pulse back-blowing component further preferably comprises an air bag, a pulse electromagnetic valve and an air blowing pipe which are sequentially connected, one end of the air bag is connected with one end of the pulse electromagnetic valve, the other end of the air bag is connected with a compressed air source, the other end of the pulse electromagnetic valve is connected with one end of the air blowing pipe, the end of the air blowing pipe connected with the pulse electromagnetic valve is fixed outside a clean air chamber through an air blowing pipe support, the other end of the air blowing pipe penetrates through the wall of the clean air chamber to enter the clean air chamber and extend to the inner core of the diamond filter cylinder, and a plurality of radial holes are uniformly distributed on the pipe wall of the corresponding section of the inner core of the diamond filter cylinder.
In order to enable the direction of the air flow blown out from the air blowing pipe to be adaptive to the inner wall structure of the diamond-shaped filter cylinder, and further improve the back blowing efficiency, the further preferable technical scheme is that the cross section of the air blowing pipe is also in a diamond-shaped structure.
In order to further improve the interception efficiency of the diamond filter cartridge on fine particles and improve the ventilation efficiency of the filter material, the preferred technical scheme is that the nanofiber layer is a bird nest hollow structure layer deposited on the outer surface of the filter material layer by an electrostatic spinning method.
In order to ensure that the nano layer has high air permeability and good strength and durability, the more preferable technical scheme is that the diameter of the electrostatic spinning is 50nm-80nm, and the average thickness of the nano fiber filter paper is 0.1 mm-0.3 mm.
The diamond-shaped filter cylinder dust remover has the advantages of being simple in structure, high in gas filtering efficiency, long in service life, capable of obviously increasing effective filtering area and the like. The effective area of each filter cylinder in the diamond-shaped filter cylinder dust removal device can be increased to about 95 percent from 75 percent originally, and the whole service life of the dust remover can be prolonged by more than 30 percent. And the rhombus filter cylinder dust remover can also intercept 99.99 percent (more than micron level) dust particles in the air, and has large blowback wind pressure resistance and more times.
In addition, since the diamond-shaped filter cartridge dust collector has the nano-spun fiber layer adhered to the surface of the filter medium and the nano-spun fibers have diameters of nano-sized fine fibers, even if the distance between the fiber spinning and the fiber spinning is several times that of the fiber spinning, the gap distance therebetween is also nano-sized. However, because the distance between the fiber spinning and the fiber spinning is several times of the distance between the fiber spinning and the fiber spinning, the air permeability of the filter material can be greatly improved, and simultaneously, dust particles with the size of more than micron can be blocked outside the filter cylinder. The reinforcing fiber is added into the nano spinning solution, so that the structural strength, the durability and the back-blowing resistance of the filter material can be further improved. Meanwhile, hot melt adhesive components are added into the nano spinning solution, and the spinning can be mutually bonded into an integral bird nest hollow structure after being heated, and the hot melt adhesive can also be bonded with a support net.
Drawings
FIG. 1 is a schematic cross-sectional view of a diamond-shaped filter cartridge in a diamond-shaped filter cartridge dust collector of the present invention;
FIG. 2 is a schematic front view of a diamond cartridge dust collector of the present invention;
FIG. 3 is a schematic side view of a diamond cartridge dust collector of the present invention;
FIG. 4 is a schematic sectional view A-A of FIG. 3;
FIG. 5 is an SEM micrograph of the nanofiber filter layer of a diamond filter cartridge in a diamond cartridge dust collector of the present invention.
In the figure: 1. a support; 2. a dust chamber; 3. a diamond-shaped filter cartridge; 3.1, supporting the net in an inner mode; 3.2, an outer support net; 3.3, a filter material layer; 3.31, nanofiber layer; 3.4, fixing the mounting ring; 3.5, sealing the end cover; 4. a clean air chamber; 5. a partition plate; 6. an ash hopper; 7. an air inlet; 8. an air outlet; 9. air bags; 10. a pulse electromagnetic valve; 11. an air blowing pipe; 12. a gas blow pipe bracket;
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
As shown in fig. 1 to 5, the utility model is a diamond-shaped filter cartridge dust remover, the dust remover comprises a support 1, a dust chamber 2 is arranged at the upper part of the support 1, a diamond-shaped filter cartridge 3 is transversely arranged in the dust chamber 2, a clean air chamber 4 connected with a rack 1 is arranged at one side of the dust chamber 2, a partition plate 5 is arranged between the dust chamber 3 and the clean air chamber 4, an ash hopper 6 connected with the rack 1 is arranged below the dust chamber 3, an air inlet 7 is arranged at one side of the dust chamber 2, an air outlet 8 is arranged at one side of the clean air chamber 4, and a pulse back-blowing component is also arranged at one side of the clean air chamber 4; the rhombic filter cartridge 3 comprises an inner support net 3.1 and an outer support net 3.2, a wave-shaped folded filter material layer 3.3 is arranged between the inner support net 3.1 and the outer support net 3.2, fixed mounting rings 3.4 are arranged at two ends of the inner support net 3.1 and the outer support net 3.2, a nanofiber spinning layer 3.31 is attached to the surface of the wave-shaped folded filter material layer 3.3, and an antistatic coating and an anticorrosive coating are further arranged on the surface of the wave-shaped folded filter material layer.
In order to better reduce the accumulation area of dust on the top of the filter cylinder and improve the smooth flowing shape of the treated gas flowing on the surface of the filter cylinder, the diamond-shaped filter cylinder comprises a diamond-shaped long shaft and a diamond-shaped short shaft, the long shaft of the diamond-shaped filter cylinder is vertically arranged in the dust removing chamber, the short shaft is transversely arranged, and the ratio of the long shaft of the shape to the short shaft of the diamond is 1: 0.3.
In order to avoid mixing of the filtered gas and the unfiltered gas and reduce the power consumption of the fan on the exhaust port side, the utility model further preferably adopts the embodiment that the sealing end cover 3.5 of the diamond-shaped filter cylinder 3 is arranged on one side of the dust chamber 2.
In order to discharge the dust deposited on the outer surface of the filter cartridge into a meeting place through a back-blowing dust removal method, and then perform centralized recovery processing, a further preferred embodiment of the utility model is that the pulse back-blowing component comprises an air bag 9, a pulse electromagnetic valve 10 and an air blowing pipe 11 which are sequentially connected, one end of the air bag 9 is connected with one end of the pulse electromagnetic valve 10, the other end of the air bag 9 is connected with a compressed air source, the other end of the pulse electromagnetic valve 10 is connected with one end of the air blowing pipe 11, one end of the air blowing pipe 11 connected with the pulse electromagnetic valve 10 is fixed outside the clean air chamber 4 through an air blowing pipe bracket 12, the other end of the air blowing pipe 11 penetrates through the wall of the clean air chamber 4 to enter the clean air chamber 4 and extend to the inner core of the diamond-shaped filter cartridge 3, and a plurality of radial holes are uniformly distributed on the pipe wall of the section corresponding to the inner core of the diamond-shaped filter cartridge 3.
In order to make the direction of the air flow blown out from the blowpipe 11 correspond to the inner wall structure of the diamond-shaped filter cartridge 3, thereby further improving the back blowing efficiency, a further preferred embodiment of the present invention is that the cross section of the blowpipe 11 is also in a diamond-shaped structure.
In order to further improve the interception efficiency of the diamond-shaped filter cartridge 3 to fine particles and also to improve the air permeability of the filter material, in a preferred embodiment of the present invention, the nanofiber layer 3.31 is a bird-nest hollow structure layer deposited on the outer surface of the filter material layer by an electrospinning method.
In order to ensure a higher air permeability and better strength and durability properties of the nanolayer, a further preferred embodiment of the present invention is that the electrospun diameter is 50nm and the average thickness of the nanofiber filter paper is 0.3 mm.
Example 2
As shown in fig. 1 to 5, the utility model is a diamond-shaped filter cartridge dust remover, the dust remover comprises a support 1, a dust chamber 2 is arranged at the upper part of the support 1, a diamond-shaped filter cartridge 3 is transversely arranged in the dust chamber 2, a clean air chamber 4 connected with a rack 1 is arranged at one side of the dust chamber 2, a partition plate 5 is arranged between the dust chamber 3 and the clean air chamber 4, an ash hopper 6 connected with the rack 1 is arranged below the dust chamber 3, an air inlet 7 is arranged at one side of the dust chamber 2, an air outlet 8 is arranged at one side of the clean air chamber 4, and a pulse back-blowing component is also arranged at one side of the clean air chamber 4; the rhombic filter cartridge 3 comprises an inner support net 3.1 and an outer support net 3.2, a wave-shaped folded filter material layer 3.3 is arranged between the inner support net 3.1 and the outer support net 3.2, fixed mounting rings 3.4 are arranged at two ends of the inner support net 3.1 and the outer support net 3.2, a nanofiber spinning layer 3.31 is attached to the surface of the wave-shaped folded filter material layer 3.3, and an antistatic coating and an anticorrosive coating are further arranged on the surface of the wave-shaped folded filter material layer.
In order to better reduce the accumulation area of dust on the top of the filter cylinder and improve the smooth flowing shape of the treated gas flowing on the surface of the filter cylinder, the diamond-shaped filter cylinder comprises a diamond-shaped long shaft and a diamond-shaped short shaft, the long shaft of the diamond-shaped filter cylinder is vertically arranged in the dust removing chamber, the short shaft is transversely arranged, and the ratio of the long shaft of the shape to the short shaft of the diamond is 1: 0.5.
In order to avoid mixing of the filtered gas and the unfiltered gas and reduce the power consumption of the fan at the exhaust end side, the utility model further preferably adopts the embodiment that the sealing end cover 3.5 of the diamond-shaped filter cylinder 3 is arranged at one side of the dust chamber 2.
In order to discharge the dust deposited on the outer surface of the filter cartridge into a meeting place through a back-blowing dust removal method, and then perform centralized recovery processing, a further preferred embodiment of the utility model is that the pulse back-blowing component comprises an air bag 9, a pulse electromagnetic valve 10 and an air blowing pipe 11 which are sequentially connected, one end of the air bag 9 is connected with one end of the pulse electromagnetic valve 10, the other end of the air bag 9 is connected with a compressed air source, the other end of the pulse electromagnetic valve 10 is connected with one end of the air blowing pipe 11, the end of the air blowing pipe 11 connected with the pulse electromagnetic valve 10 is fixed outside the clean air chamber 4 through an air blowing pipe bracket 12, the other end of the air blowing pipe 11 penetrates through the wall of the clean air chamber 4 to enter the clean air chamber 4 and extend to the inner core of the diamond-shaped filter cartridge 3, and a plurality of radial holes are uniformly distributed on the pipe wall of the section corresponding to the inner core of the diamond-shaped filter cartridge 3.
In order to make the direction of the air flow blown out from the blowpipe 11 correspond to the inner wall structure of the diamond-shaped filter cartridge 3, thereby further improving the back blowing efficiency, a further preferred embodiment of the present invention is that the cross section of the blowpipe 11 is also in a diamond-shaped structure.
In order to further improve the interception efficiency of the diamond-shaped filter cartridge 3 to fine particles and also to improve the air permeability of the filter material, in a preferred embodiment of the present invention, the nanofiber layer 3.31 is a bird-nest hollow structure layer deposited on the outer surface of the filter material layer by an electrospinning method.
In order to ensure a higher air permeability and better strength and durability properties of the nanolayer, a further preferred embodiment of the present invention is that the electrospun diameter is 65nm and the average thickness of the nanofiber filter paper is 0.2 mm.
Example 3
As shown in fig. 1 to 5, the utility model is a diamond-shaped filter cartridge dust remover, the dust remover comprises a support 1, a dust chamber 2 is arranged at the upper part of the support 1, a diamond-shaped filter cartridge 3 is transversely arranged in the dust chamber 2, a clean air chamber 4 connected with a rack 1 is arranged at one side of the dust chamber 2, a partition plate 5 is arranged between the dust chamber 3 and the clean air chamber 4, an ash hopper 6 connected with the rack 1 is arranged below the dust chamber 3, an air inlet 7 is arranged at one side of the dust chamber 2, an air outlet 8 is arranged at one side of the clean air chamber 4, and a pulse back-blowing component is also arranged at one side of the clean air chamber 4; the rhombic filter cartridge 3 comprises an inner support net 3.1 and an outer support net 3.2, a wave-shaped folded filter material layer 3.3 is arranged between the inner support net 3.1 and the outer support net 3.2, fixed mounting rings 3.4 are arranged at two ends of the inner support net 3.1 and the outer support net 3.2, a nanofiber spinning layer 3.31 is attached to the surface of the wave-shaped folded filter material layer 3.3, and an antistatic coating and an anticorrosive coating are further arranged on the surface of the wave-shaped folded filter material layer.
In order to better reduce the accumulation area of dust on the top of the filter cylinder and improve the smooth flowing shape of the treated gas flowing on the surface of the filter cylinder, the diamond-shaped filter cylinder 3 comprises a long axis of a diamond and a short axis of the diamond, the long axis of the diamond-shaped filter cylinder 3 is vertically arranged in the dust chamber 2, the short axis is transversely arranged, and the ratio of the long axis of the diamond to the short axis of the diamond is 0.8.
In order to avoid mixing of the filtered gas and the unfiltered gas and reduce the power consumption of the fan at the exhaust end side, the utility model further preferably adopts the embodiment that the sealing end cover 3.5 of the diamond-shaped filter cylinder 3 is arranged at one side of the dust chamber 2.
In order to discharge the dust deposited on the outer surface of the filter cartridge into a meeting place through a back-blowing dust removal method, and then perform centralized recovery processing, a further preferred embodiment of the utility model is that the pulse back-blowing component comprises an air bag 9, a pulse electromagnetic valve 10 and an air blowing pipe 11 which are sequentially connected, one end of the air bag 9 is connected with one end of the pulse electromagnetic valve 10, the other end of the air bag 9 is connected with a compressed air source, the other end of the pulse electromagnetic valve 10 is connected with one end of the air blowing pipe 11, the end of the air blowing pipe 11 connected with the pulse electromagnetic valve 10 is fixed outside the clean air chamber 4 through an air blowing pipe bracket 12, the other end of the air blowing pipe 11 penetrates through the wall of the clean air chamber 4 to enter the clean air chamber 4 and extend to the inner core of the diamond-shaped filter cartridge 3, and a plurality of radial holes are uniformly distributed on the pipe wall of the section corresponding to the inner core of the diamond-shaped filter cartridge 3.
In order to make the direction of the air flow blown out from the blowpipe 11 adapt to the inner wall structure of the diamond-shaped filter cartridge, thereby further improving the back blowing efficiency, the cross section of the blowpipe 11 is also in the diamond-shaped structure in a further preferred embodiment of the utility model.
In order to further improve the interception efficiency of the diamond-shaped filter cartridge 3 to fine particles and also to improve the air permeability of the filter, in a preferred embodiment of the present invention, the nanofiber layer 3.31 is a bird nest hollow structure layer deposited on the outer surface of the filter layer 3.3 by an electrospinning method.
In order to ensure that the nanolayer 3.31 has a high air permeability and good strength and durability properties, a further preferred embodiment of the present invention is where the electrospun fiber has a diameter of 80nm and the nanofiber filter paper has an average thickness of 0.1 mm.
The preparation method of the nanofiber filter layer comprises the steps of preparing spinning solution according to various required components in the spinning solution, adding the prepared spinning solution into an electrostatic spinning device, wherein the electrostatic spinning device comprises a pushing injection system, a spinning solution injector, an electrostatic high-voltage supply system and a rotary receiving system, the voltage of spinning parameters is 20kV, the distance from a needle head of the spinning solution injector to a receiving plate of the rotary receiving system is 15cm, the diameter of a spinning nozzle is 0.5mm, the spinning speed is 2ml/h, the environmental temperature is 20 ℃, the environmental humidity is 55%, the thickness of a fiber film is controlled through the spinning time, and the nanofiber filter paper is obtained through spinning.
Soaking the nanofiber filter paper obtained by spinning in 80% hydrazine hydrate for 3h, and then carrying out vacuum drying at 80 ℃ to obtain the electric nanofiber filter paper, wherein the average fiber diameter is 50-80 nm, and the porosity is 90%.
Applying voltage of 100-400V, and testing the filtering efficiency and the pressure drop of the conductive nanofiber filter paper, wherein the filtering device applies voltage to the conductive nanofiber filter paper, the efficiency is increased rapidly and then slowly along with the increase of the voltage, the filtering efficiency reaches 99.2% when the voltage is 400V, and the pressure drop is 15 Pa.
The porosity of the conductive nanofiber filter layer provided by the utility model is more than or equal to 85%, the square resistance of the paper is 63-248 omega/sq, and the filter paper has wider fiber diameter distribution, high porosity and good conductivity. After 100-400V external voltage is applied to the conductive nanofiber filter paper, the filtering efficiency of particles with the diameter of more than or equal to 0.3 mu m is 95% -99.95%, and after the external voltage is removed, the conductive nanofiber filter membrane can be recycled after reverse purging.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A rhombic filter cylinder dust remover is characterized by comprising a support, wherein a dust removing chamber is arranged at the upper part of the support, a rhombic filter cylinder is transversely arranged in the dust removing chamber, a clean air chamber connected with a rack is arranged at one side of the dust removing chamber, a partition plate is arranged between the dust removing chamber and the clean air chamber, an ash hopper connected with the rack is arranged below the dust removing chamber, an air inlet is formed at one side of the dust removing chamber, an air outlet is formed at one side of the clean air chamber, and a pulse back blowing component is further arranged at one side of the clean air chamber; the rhombic filter cylinder comprises an inner support net and an outer support net, a filter material layer which is folded in a wave shape is arranged between the inner support net and the outer support net, fixed mounting rings are arranged at two ends of the inner support net and the outer support net, a nanofiber spinning layer is attached to the surface of the wave-shaped folded filter material layer, and an antistatic coating and an anticorrosive coating are further arranged on the surface of the wave-shaped folded filter material layer.
2. The diamond-shaped filter cartridge deduster according to claim 1, wherein the diamond-shaped filter cartridge comprises a long axis of a diamond shape and a short axis of the diamond shape, the long axis of the diamond-shaped filter cartridge is vertically arranged in the dedusting chamber, the short axis of the diamond-shaped filter cartridge is transversely arranged, and the ratio of the long axis of the diamond-shaped filter cartridge to the short axis of the diamond shape is 1: 0.3-0.8.
3. The diamond filter cartridge dust collector of claim 2, wherein a seal end cap of the diamond filter cartridge is arranged at one side of the dust chamber.
4. The diamond-shaped filter cartridge dust collector of claim 1, wherein the pulse back-blowing component comprises an air bag, a pulse solenoid valve and an air blowing pipe which are sequentially connected, one end of the air bag is connected with one end of the pulse solenoid valve, the other end of the air bag is connected with a compressed air source, the other end of the pulse solenoid valve is connected with one end of the air blowing pipe, the end of the air blowing pipe connected with the pulse solenoid valve is fixed outside the clean air chamber through an air blowing pipe bracket, the other end of the air blowing pipe penetrates through the wall of the clean air chamber to enter the clean air chamber and extends to the diamond-shaped filter cartridge inner core, and a plurality of radial holes are uniformly distributed on the pipe wall of the section corresponding to the diamond-shaped filter cartridge inner core.
5. The diamond filter cartridge collector of claim 4 wherein said blowpipe is also diamond shaped in cross-section.
6. The diamond-shaped filter cartridge dust collector as recited in claim 1, wherein the nanofiber spun layer is a bird's nest openwork layer deposited on the outer surface of the filter layer by an electrospinning method.
7. The diamond filter cartridge dust collector of claim 6, wherein the electrospun has a diameter of 50nm to 80nm and an average thickness of the nanofiber filter paper of 0.1mm to 0.3 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120360796.7U CN215506059U (en) | 2021-02-07 | 2021-02-07 | Rhombus filter drum dust remover |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120360796.7U CN215506059U (en) | 2021-02-07 | 2021-02-07 | Rhombus filter drum dust remover |
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| CN215506059U true CN215506059U (en) | 2022-01-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570137A (en) * | 2022-03-22 | 2022-06-03 | 美埃(中国)环境科技股份有限公司 | Novel dust removal filter cartridge filter |
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2021
- 2021-02-07 CN CN202120360796.7U patent/CN215506059U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570137A (en) * | 2022-03-22 | 2022-06-03 | 美埃(中国)环境科技股份有限公司 | Novel dust removal filter cartridge filter |
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