CN113068868B - Electronic flue gas sol filtering device - Google Patents
Electronic flue gas sol filtering device Download PDFInfo
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- CN113068868B CN113068868B CN202110315227.5A CN202110315227A CN113068868B CN 113068868 B CN113068868 B CN 113068868B CN 202110315227 A CN202110315227 A CN 202110315227A CN 113068868 B CN113068868 B CN 113068868B
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/85—Maintenance, e.g. cleaning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
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- Immunology (AREA)
- Pathology (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
The invention discloses an electronic smoke sol filtering device which comprises a filter tip part, a filter center and an electronic cigarette connecting system which are sequentially connected from top to bottom, wherein the bottom of the electronic cigarette connecting system is connected with an opening-closing door lock, a filter rod barrel is arranged in the filter tip part, and a filter rod is arranged in the filter rod barrel; the filter tip portion includes connecting pipe a, and connecting pipe a's top is equipped with the suction nozzle, and the bottom of suction nozzle is equipped with the pipe, and the bottom of pipe is equipped with filter screen a, and the top of suction nozzle is equipped with the filter cap, and the filter cap passes through the connecting rope with connecting pipe a to be connected, suction nozzle, pipe and connecting pipe a integral type structure, and the filter rod section of thick bamboo passes through threaded connection in the inside of pipe. The invention can realize that the aldehyde compounds such as acrolein and the like with the greatest danger degree can bring greater health benefits without blocking all danger factors, simultaneously can not lose too much mouthfeel and pleasure in smoking, ensures effective output of nicotine, and is easy to be accepted by the market.
Description
Technical Field
The invention belongs to the field of electronic smoke sol, and particularly relates to an electronic smoke sol filtering device.
Background
Electronic cigarettes (electronic cigarettes) are presented as smoking cessation products, also known as Electronic Nicotine Delivery Systems (ENDS). An electronic cigarette generally refers to: an electronic product simulating the traditional cigarette from aspects such as appearance, taste, aroma and the like, but compared with the traditional cigarette, the electronic cigarette has the biggest characteristic that the electronic cigarette does not burn, and substances such as nicotine and the like are delivered into the body through a respiratory system by means of heating or atomizing, so that a user can achieve the same physiological and psychological feeling as when smoking the cigarette. The definition of a device capable of releasing nicotine is: smoking of the product containing nicotine aerosol is performed through a mouthpiece or other component. Therefore, the electronic cigarette is a new nicotine delivery system, the electronic cigarette oil containing nicotine is heated by the electronic element to generate volatile aerosol containing nicotine, and the aerosol containing nicotine enters the body of a user through the respiratory system, so that the effect of simulating the smoking of the traditional cigarette is achieved.
The current patents on electronic cigarette filters have referred to: appearance package, taste adjustment, reduction of greasy feeling, improvement of experience of smokers and the like; there is a device for filtering toxic and harmful substances in aerosol generated by atomization of electronic cigarette, such as aldehyde compounds like acrolein.
Research shows that the aerosol generated by the atomization of the electronic cigarette contains aldehyde compounds such as glycerol, acrolein and the like; acrolein can increase the risk of lung cancer, chronic obstructive pulmonary disease, atherosclerosis and other diseases.
Disclosure of Invention
The invention aims to provide an electronic smoke sol filtering device which acts on an electronic cigarette, wherein the product entity is an electronic cigarette filter tip and can filter toxic and harmful substances in aerosol generated by atomization of the electronic cigarette.
The technical scheme adopted by the invention is as follows: an electronic smoke sol filtering device comprises a filter part, a filter center and an electronic cigarette connecting system which are sequentially connected from top to bottom, wherein the bottom of the electronic cigarette connecting system is connected with an opening-closing door lock, a filter rod cylinder is arranged inside the filter part, and a filter rod is arranged in the filter rod cylinder;
the filter tip portion includes connecting pipe a, and connecting pipe a's top is equipped with the suction nozzle, and the bottom of suction nozzle is equipped with the pipe, and the bottom of pipe is equipped with filter screen a, and the top of suction nozzle is equipped with the filter cap, and the filter cap is connected through being connected the rope with connecting pipe a, suction nozzle, pipe and connecting pipe a formula structure as an organic whole, and the filter rod section of thick bamboo passes through the inside of threaded connection at the pipe.
The technical solution adopted by the present invention is also characterized in that,
the filtering center comprises a connecting pipe b and a cylinder a, the connecting pipe b is connected with the connecting pipe a, the connecting pipe b and the cylinder a are of an integrated structure, the inner part of the cylinder a is horizontally and fixedly connected with a fixing ring, the fixing ring is internally connected with a four-hole cap type pipe in a threaded manner, a filter screen b is arranged inside the four-hole cap type pipe, and the four-hole cap type pipe is connected to the outside of the filter rod barrel through threads.
The four-hole cap type pipe is composed of two pipelines with one large diameter and one small diameter, 4 round holes are arranged on the periphery of the wall of the large pipeline, and the bottom of the four-hole cap type pipe is closed.
The electronic cigarette connecting system is composed of a cap type pipe, a coil pipe and a cylinder b which are sequentially connected from top to bottom, the cap type pipe, the coil pipe and the cylinder b are of an integrated structure, the cap type pipe is composed of a large pipeline and a small pipeline, the large pipeline is connected to the inside of the bottom end of the cylinder a through threads, an opening and closing door is arranged on the outside of the bottom end of the cylinder b, and a rubber ring which is equal to the opening and closing door in height is arranged inside the opening and closing door.
The opening and closing door comprises two opening and closing door leaves which can be opened, wherein one opening and closing door leaf is provided with a fixed ball b, the other opening and closing door leaf is provided with a fixed ball a and a central ring, and the central ring is also provided with an opening and closing door lock.
The opening and closing door lock comprises an inner barrel which is horizontally arranged, a middle barrel is sleeved outside the inner barrel, an outer barrel is sleeved outside the middle barrel, a notch enabling a fixed ball b to enter is formed in the outer barrel, a closed circuit board a and a closed circuit board b are arranged between the middle barrel and the inner barrel at intervals, the fixed ball a is located between the closed circuit board a and the closed circuit board b, a connecting column is arranged at one end of the inner barrel, a nested cake is arranged on one side, away from the inner barrel, of the connecting column, the nested cake can be nested in a central ring, and the inner barrel, the connecting column and the nested cake are of an integrated structure.
The filter stick is a diacetate fiber filter stick.
The invention has the beneficial effects that:
(1) According to the electronic cigarette filter tip, electronic smoke sol can be deposited and retained by impacting the bottom wall of the four-hole cap type tube to perform first-layer filtering; then, the filter screen b is simply retained for carrying out second-layer filtration; then, performing third-layer filtration on the adsorption effect of the diacetate fiber filter stick on aldehyde compounds in the electronic smoke sol; finally, the fourth layer of filtration is carried out by simply blocking and reserving the filter screen a, so that the great health benefit can be brought by only controlling the aldehyde compounds such as acrolein and the like with the greatest risk degree without blocking all risk factors, and meanwhile, the mouth feel and the pleasure of smoking can not be lost too much, and the market acceptance is easy.
(2) The electronic cigarette filter tip has the advantages of low manufacturing cost, simple structure and easy operation.
(3) According to the electronic cigarette filter cap in the electronic cigarette filter, the suction nozzle, the circular tube and the connecting tube a are of an integrated structure, the filter rod cylinder, the connecting tube b and the cylinder a are of an integrated structure, the four-hole cap type tube, the coil and the cylinder b are of an integrated structure, and the cap type tube, the coil and the cylinder b can be detached and are easy to clean.
Drawings
FIG. 1 is a diagram of an electronic cigarette filter of the present invention;
figure 2 is an enlarged view of the filter portion of the electronic cigarette filter of the present invention;
FIG. 3 is an enlarged view of a filter rod cartridge of the electronic cigarette filter of the present invention;
FIG. 4 is an enlarged view of the filter center of the electronic cigarette filter of the present invention;
figure 5 is an enlarged view of the electronic cigarette attachment system of the electronic cigarette filter of the present invention;
figure 6 is a side view of a cylinder b of the electronic cigarette filter of the present invention;
figure 7 is an elevation view of the opening and closing door of the electronic cigarette filter of the present invention;
figure 8 is a rear view of the opening and closing door lock of the electronic cigarette filter of the present invention;
figure 9 is a side view of the opening and closing door lock of the electronic cigarette filter of the present invention;
fig. 10 is a partially enlarged view of the opening and closing door of the electronic cigarette filter according to the present invention.
In the figure: 1. the cigarette filter comprises a filter part, 1-1 electronic cigarette filter cap, 1-2 suction nozzle, 1-3 round tube, 1-4 filter screen a,1-5 connecting tube a,1-6 connecting wire, 2 filter rod cylinder, 3 filter rod, 4 filter center, 4-1 connecting tube b,4-2 filter screen b,4-3 four-hole cap type tube, 4-4 fixing ring, 4-5 cylinder a,5 electronic cigarette connecting system, 5-1 cap type tube, 5-2 snake tube, 5-3 cylinder b,5-4 rubber ring, 5-5 opening and closing door, 5-6 opening and closing door leaf, 5-7 fixing ball a,5-8 fixing ball b,5-9 central ring, 6-opening and closing door lock, 6-1 outer cylinder, 6-2 middle cylinder, 6-3 inner cylinder, 6-4 inner cylinder, 6-5 closed circuit board a,6-6 closed circuit board b,6-7 connecting column.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, the structural schematic diagram of the electronic smoke sol filtering device of the present invention includes a filter tip part 1, a filtering center 4 and an electronic cigarette connecting system 5 which are sequentially connected from top to bottom, a filter rod barrel 2 is arranged inside the filter tip part 1, a filter rod 3 is arranged in the filter rod barrel 2, the bottom of the electronic cigarette connecting system 5 is connected with an opening and closing door lock 6, and the opening and closing door lock 6 can achieve the purpose of convenient operation.
As shown in figure 2, the filter tip part 1 comprises a connecting pipe a1-5, a suction nozzle 1-2 is arranged at the top of the connecting pipe a1-5, and a round pipe 1-3 is arranged at the bottom of the suction nozzle 1-2, so that the effect of comfortable mouth feel during suction can be realized; the bottom of the circular tube 1-3 is provided with a filter screen a1-4, the filter screen a1-4 is a stainless steel filter screen with the diameter of 1mm, and the filter screen is used for fixing the filter stick 3 and can simply block and filter the electronic smoke sol; the top of the suction nozzle 1-2 is provided with a filter cap 1-1, and the filter cap 1-1 is connected with a connecting pipe a1-5 through a connecting rope 1-6, so that the purpose of convenient use can be achieved; the suction nozzle 1-2, the round pipe 1-3 and the connecting pipe a1-5 are of an integrated structure; the filter rod cylinder 2 is connected with the inner parts of the round pipes 1-3 through threads.
As shown in fig. 3, the filter rod cylinder 2 is made of stainless steel and is provided with the filter rod 3, the filter rod cylinder 2 is used for fixing the filter rod 3, and the filter rod 3 is made of diacetate fiber which can absorb and filter aldehyde compounds such as acrolein in the electronic smoke sol.
As shown in fig. 4, the filtering central core 4 is composed of a connecting pipe b 4-1 and a cylinder a 4-5 to form an outer wall, the connecting pipe b 4-1 and the cylinder a 4-5 are of an integrated structure, the connecting pipe b 4-1 is connected with the connecting pipe a1-5, so that the filtering central core 4 can be combined with the connecting pipe a 1-5; a fixing ring 4-4 is horizontally and fixedly connected in the cylinder a 4-5, and the four-hole cap type pipe 4-3 is connected to the center of the fixing ring 4-4 through threads, so that the four-hole cap type pipe 4-3 can be stabilized; the four-hole cap type pipe 4-3 is composed of two pipes with a large diameter and a small diameter, 4 round holes are arranged on the periphery of the wall of the large pipe, the bottom of the large pipe is closed, and electronic smoke sol can be filtered; a stainless steel filter screen b4-2 with the diameter of 1mm is arranged in the four-hole cap type pipe 4-3 and used for fixing the filter stick 3 and simply blocking and filtering the electronic smoke sol; the four-hole cap type pipe 4-3 is connected to the outside of the filter rod cylinder 2 through threads, so that the device is more stable.
As shown in fig. 5, the electronic cigarette connection system 5 is composed of a cap-type tube 5-1, a coil 5-2 and a cylinder b5-3 which are connected in sequence from top to bottom, so that the device can be bent freely, and space is saved; the cap type pipe 5-1, the coil pipe 5-2 and the cylinder b5-3 are of an integrated structure. The cap pipe 5-1 is composed of two pipes of one larger and one smaller diameter, wherein the pipe of the larger diameter is connected to the inside of the bottom end of the cylinder a 4-5 by a screw. As shown in figure 6, the bottom end of the cylinder b5-3 is provided with an opening and closing door 5-5, and the inside of the opening and closing door 5-5 is provided with a rubber ring 5-4 with the same height as the opening and closing door, so that the air tightness of the device can be improved.
As shown in fig. 7, the opening and closing door 5-5 comprises two openable opening and closing door leaves 5-6, wherein one opening and closing door leaf 5-6 is provided with a fixing ball b 5-8, the other opening and closing door leaf 5-6 is provided with a fixing ball a 5-7 and a central ring 5-9, the right side of the central ring 5-9 and the opening and closing door leaf 5-6 is of an integrated structure, an opening and closing door lock 6 is further arranged at the central ring 5-9, and the opening and closing door lock 6 can be connected with and fix the electronic cigarette.
As shown in fig. 8, the opening and closing door lock 6 is composed of an outer cylinder 6-1, a middle cylinder 6-2 and an inner cylinder 6-3, the opening and closing door lock 6 comprises the inner cylinder 6-3 which is horizontally arranged, the middle cylinder 6-2 is sleeved outside the inner cylinder 6-3, the outer cylinder 6-1 is sleeved outside the middle cylinder 6-2, and the outer cylinder 6-1 is provided with a gap which can enable a fixing ball b 5-8 to enter the opening and closing door lock 6; a closed circuit board a 6-5 and a closed circuit board b 6-6 are arranged between the middle cylinder 6-2 and the inner cylinder 6-3 at intervals and combined with the fixed ball a 5-7 for limiting the position of the fixed ball b 5-8. As shown in figure 9, one end of the inner cylinder 6-3 is provided with a connecting column 6-7, one side of the connecting column 6-7, which is far away from the inner cylinder 6-3, is provided with a nested cake 6-4, the inner cylinder 6-3, the connecting column 6-7 and the nested cake 6-4 are of an integrated structure, the nested cake 6-4 can be nested in a central ring 5-9, and the nested cake 6-4 penetrates through the central ring 5-9 to enable the opening and closing door 5-5 to be connected with the opening and closing door lock 6, as shown in figure 10.
The working process of the invention is as follows: when the electronic cigarette is sucked, the opening and closing door lock 6 is located at the position shown in the figure 8, then the opening and closing door leaf 5-6 on the left side is opened, the electronic cigarette is connected, the opening and closing door leaf 5-6 is closed, and then the opening and closing door 5-5 is closed by rotating according to the direction of an arrow of the opening and closing door lock 6; opening the filter cap 1-1 of the electronic cigarette, sucking by the suction nozzle 1-2, so that the electronic smoke sol can pass through the cylinder b5-3, the coil pipe 5-2 and the cap type pipe 5-1 and impact the bottom wall of the four-hole cap type pipe 4-3, and part of the aerosol is deposited and retained for carrying out first-layer filtration; the escaped aerosol reaches a filter screen b4-2 through 4 holes of a four-hole cap type pipe 4-3, so that the electronic smoke aerosol is simply retained for second-layer filtering; then, performing third-layer filtration on the adsorption effect of the diacetate fiber filter stick 3 on aldehyde compounds such as acrolein in the electronic smoke sol; then, the fourth layer of filtration is carried out by simple retention of the filter screens a 1-4; finally, the medicine is sucked into the body through the circular tube 1-3 and the suction nozzle 1-2.
After the smoking is finished, the electronic cigarette filter tip cap 1-1 is covered, the opening and closing door lock 6 is rotated in the opposite direction according to the arrow, the opening and closing door leaf 5-6 on the left side is opened, the electronic cigarette is taken out, then the electronic cigarette is rotated according to the direction of the arrow of the opening and closing door lock 6, and the opening and closing door 5-5 is closed, so that the operation can be finished.
The filter tip cap 1-1, the suction nozzle 1-2, the round tube 1-3 and the connecting tube a1-5 are integrated, the filter stick barrel 2, the connecting tube b 4-1 and the cylinder a 4-5 are integrated, the four-hole cap type tube 4-3, the cap type tube 5-1, the coil 5-2 and the cylinder b5-3 are integrated, the disassembly and the cleaning are carried out once, and the filter stick 3 is replaced once every two weeks.
When the electronic cigarette is smoked, the filter tip of the electronic cigarette can bring greater health benefit without blocking all dangerous factors but controlling the aldehyde compounds such as acrolein and the like with the greatest danger degree, can not lose too much mouthfeel and pleasure when smoking, and is easy to accept in the market.
Chinese patent "a glass fiber migration collecting device in electron flue gas sol", application number is: 201710009198.1, publication No. CN106490693A, it specifically discloses that under the suction action of a suction device, the glass fiber in the aerosol is filtered and separated by two filter plates, and is adsorbed on the filter plates and the baffle, which is a simple filter device, but the invention does not need heating, and does not need to separate the heating wire separately, and the device of the invention is directly combined with the electronic cigarette to carry out four-layer filtration, only controls aldehyde compounds such as acrolein with the largest danger degree, and at the same time, does not lose too much taste and pleasant sensation when smoking, and the invention makes the gas chromatography analysis and determination of the electronic cigarette for the filter device. Selecting an electronic cigarette with a product identifier of 12.25mg/g (12 mg/ml) of nicotine as a detection object, wherein the detection result shows that the content of nicotine in the electronic cigarette liquid extract is 18.20 +/-0.49 mg/g, and the content of glycerol is 326.4 +/-5.24 mg/g; the nicotine content in the atomized product of the electronic cigarette liquid is 12.32 +/-0.07 mg/g, and the acrolein content is 1.90 +/-0.03 mu g/g. Therefore, in order to achieve a large health benefit, it is necessary to effectively filter the aldehyde compounds such as acrolein, which are harmful to a large extent, in the aerosol generated by the atomization of the electronic cigarette.
Claims (4)
1. An electronic smoke sol filtering device is characterized by comprising a filter tip part (1), a filtering center (4) and an electronic cigarette connecting system (5) which are sequentially connected from top to bottom, wherein the bottom of the electronic cigarette connecting system (5) is connected with an opening-closing door lock (6), a filter rod barrel (2) is arranged inside the filter tip part (1), and a filter rod (3) is arranged in the filter rod barrel (2); the filter nozzle part (1) comprises a connecting pipe a (1-5), a suction nozzle (1-2) is arranged at the top of the connecting pipe a (1-5), a round pipe (1-3) is arranged at the bottom of the suction nozzle (1-2), a filter screen a (1-4) is arranged at the bottom of the round pipe (1-3), a filter nozzle cap (1-1) is arranged at the top of the suction nozzle (1-2), the filter nozzle cap (1-1) is connected with the connecting pipe a (1-5) through a connecting rope (1-6), and the suction nozzle (1-2), the round pipe (1-3) and the connecting pipe a (1-5) are of an integrated structure; the filter rod cylinder (2) is connected inside the circular tubes (1-3) through threads;
the electronic cigarette connecting system (5) is composed of a cap type pipe (5-1), a coil pipe (5-2) and a cylinder b (5-3) which are sequentially connected from top to bottom, the cap type pipe (5-1), the coil pipe (5-2) and the cylinder b (5-3) are of an integrated structure, the cap type pipe (5-1) is composed of a large-diameter pipeline and a small-diameter pipeline, the pipeline with the larger diameter is connected to the inside of the bottom end of the cylinder a (4-5) through threads, an opening and closing door (5-5) is arranged outside the bottom end of the cylinder b (5-3), and a rubber ring (5-4) with the same height as the opening and closing door is arranged inside the opening and closing door (5-5);
the opening and closing door (5-5) comprises two openable opening and closing door leaves (5-6), wherein one opening and closing door leaf (5-6) is provided with a fixing ball b (5-8), the other opening and closing door leaf (5-6) is provided with a fixing ball a (5-7) and a central ring (5-9), and an opening and closing door lock (6) is further arranged at the position of the central ring (5-9);
the opening and closing door lock (6) comprises an inner barrel (6-3) which is horizontally arranged, a middle barrel (6-2) is sleeved outside the inner barrel (6-3), an outer barrel (6-1) is sleeved outside the middle barrel (6-2), a notch enabling a fixed ball b (5-8) to enter is formed in the outer barrel (6-1), a closed circuit board a (6-5) and a closed circuit board b (6-6) are arranged between the middle barrel (6-2) and the inner barrel (6-3) at intervals, the fixed ball a (5-7) is located between the closed circuit board a (6-5) and the closed circuit board b (6-6), a connecting column (6-7) is arranged at one end of the inner barrel (6-3), a nesting cake (6-4) is arranged on one side, far away from the inner barrel (6-3), the nesting cake (6-4) can be nested in a central ring (5-9), and the inner barrel (6-3), the connecting column (6-7) and the nesting cake (6-4) are of an integrated structure.
2. The electronic smoke sol filtering device according to claim 1, wherein said filtering hub (4) comprises a connecting pipe b (4-1) and a cylinder a (4-5), said connecting pipe b (4-1) is connected with said connecting pipe a (1-5), said connecting pipe b (4-1) and said cylinder a (4-5) are of an integral structure, a fixing ring (4-4) is horizontally fixed inside said cylinder a (4-5), said fixing ring (4-4) is connected with a four-hole cap pipe (4-3) by internal thread, a filter screen b (4-2) is arranged inside said four-hole cap pipe (4-3), and said four-hole cap pipe (4-3) is connected to the outside of said filter rod cylinder (2) by thread.
3. The device for filtering electronic smoke sol according to claim 2, wherein said four-hole cap type pipe (4-3) is composed of two pipes with a larger diameter and a smaller diameter, 4 round holes are arranged around the larger pipe wall, and the bottom is closed.
4. The electronic smoke sol filtering device according to claim 1, wherein said filter rod (3) is a filter rod of cellulose diacetate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110315227.5A CN113068868B (en) | 2021-03-24 | 2021-03-24 | Electronic flue gas sol filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110315227.5A CN113068868B (en) | 2021-03-24 | 2021-03-24 | Electronic flue gas sol filtering device |
Publications (2)
| Publication Number | Publication Date |
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| CN113068868A CN113068868A (en) | 2021-07-06 |
| CN113068868B true CN113068868B (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110315227.5A Active CN113068868B (en) | 2021-03-24 | 2021-03-24 | Electronic flue gas sol filtering device |
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| CN (1) | CN113068868B (en) |
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