CN115350538B - Filter cartridge and filter membrane assembly for clean workshop sampling gun - Google Patents
Filter cartridge and filter membrane assembly for clean workshop sampling gun Download PDFInfo
- Publication number
- CN115350538B CN115350538B CN202210725850.2A CN202210725850A CN115350538B CN 115350538 B CN115350538 B CN 115350538B CN 202210725850 A CN202210725850 A CN 202210725850A CN 115350538 B CN115350538 B CN 115350538B
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- filter membrane
- filter
- connecting rod
- reinforcing
- sampling gun
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- 239000012528 membrane Substances 0.000 title claims abstract description 114
- 238000005070 sampling Methods 0.000 title claims abstract description 43
- 230000003014 reinforcing effect Effects 0.000 claims description 57
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 9
- 235000017491 Bambusa tulda Nutrition 0.000 description 9
- 241001330002 Bambuseae Species 0.000 description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 9
- 239000011425 bamboo Substances 0.000 description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 8
- 239000003546 flue gas Substances 0.000 description 8
- 239000000428 dust Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
- B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N2001/2285—Details of probe structures
- G01N2001/2288—Filter arrangements
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Geometry (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a filter cartridge and filter membrane assembly for a clean workshop sampling gun, and belongs to the technical field of machinery. It has solved prior art and has had the loaded and unloaded loaded down with trivial details problem. This a filter cartridge filter membrane subassembly for clean workshop sampling rifle, including cylindric body, its characterized in that still includes filter membrane, end cover, reinforced structure and pretension structure, above-mentioned body upper end opening and have the through-hole that runs through in body lateral part, and above-mentioned filter membrane is cylindric and upper end opening, and the filter membrane inlays in this and reinforced structure connects in filter membrane department, enables the stable adhesion in the filter membrane outside under reinforced structure effect in the body inboard, and above-mentioned pretension structure is located between filter membrane bottom and the internal bottom. The filter cartridge filter membrane component for the clean workshop sampling gun is convenient to assemble and disassemble.
Description
Technical Field
The invention belongs to the technical field of machinery, and relates to a filter cartridge and filter membrane assembly for a clean workshop sampling gun.
Background
The hosiery machine is used for industrialized mass production of socks, and in order to ensure the quality of finished products, the hosiery machine needs to be used in a clean workshop. That is, if there is sundry dust in the workshop, the dust will affect the quality of the finished product after entering the socks. Meanwhile, as the stocking machine is also provided with the exposed wire passing mechanism, dust accumulated at the wire passing mechanism can also affect the quality of finished products.
The sampling gun is sampling equipment for detecting the environment, samples of the sampling gun are detected after sampling, and whether the existing operation occasion accords with the use standard of the hosiery machine can be known after detection.
The filtering device of the existing sampling gun is a single filter screen, and the filter screen is difficult to clean after the flue gas sampling gun is used for a period of time, so that the daily maintenance difficulty of the flue gas sampling gun is relatively high.
The utility model provides a chinese patent publication No. CN103331063B provides a filtration system for flue gas sampling rifle, and it solves current flue gas sampling rifle and directly inhales the flue gas, and the dust particle in the flue gas adheres to and causes sampling passageway to block up in sampling rifle pipe wall and absorption bottle, influences the analysis of flue gas composition and sampling rifle life's problem, and it includes a section of thick bamboo and protection network, a section of thick bamboo is open for one end and the closed section of thick bamboo of other end, and the shape of the blind end of section of thick bamboo is bullet head shape, a section of thick bamboo is wood pulp fiber paper section of thick bamboo, and the open end of section of thick bamboo is used for installing the flue gas entry end at the barrel, and the shape of protection network is the same with the shape of section of thick bamboo, and the protection network suit is on the section of thick bamboo.
The dust can be effectively prevented from entering the sampling gun, the blockage and erosion of the sampling gun by the dust are avoided, and the service life of the sampling gun is greatly prolonged.
However, the filter cartridge is directly fixedly connected with the gun head, the filter cartridge and the cavity are loaded and unloaded in a complicated way, the filter cartridge cannot be cleaned, and the stability of the filter cartridge is poor.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provide a filter cartridge and filter membrane assembly for a clean workshop sampling gun, which is convenient to assemble and disassemble and high in stability.
The aim of the invention can be achieved by the following technical scheme:
a filter membrane module of a filter cartridge for a clean workshop sampling gun comprises a cylindrical body, and is characterized by further comprising a filter membrane, an end cover, a reinforcing structure and a pre-tightening structure, wherein an opening at the upper end of the body is provided with a through hole penetrating through the side part of the body, the filter membrane is cylindrical and is provided with an opening at the upper end, the filter membrane is embedded in the body, the reinforcing structure is connected with the filter membrane, the filter membrane is stably attached to the outer side of the filter membrane under the action of the reinforcing structure, the pre-tightening structure is positioned between the bottom of the filter membrane and the inner bottom of the body, the end cover is connected with the port of the body, and the filter membrane has a trend of shielding at the through hole under the action of the pre-tightening structure.
The filter membrane is a filter screen with smaller pores.
Because the filter screen is soft in texture, deformation easily occurs under the action of rapid air flow.
This a filter cartridge filter membrane subassembly for clean workshop sampling rifle creatively supports the filter membrane through reinforced structure, guarantees that the filter membrane can be stable connect in this and the stable subsides of filter membrane is inboard at the body.
The filter membrane is stably connected in the body, so that the air flow entering from the upper end of the body can form good filtration under the action of the filter membrane in the output process of the through hole.
Meanwhile, the filter membrane can be ensured to be stably positioned at the through hole under the action of the pre-tightening structure, and the stability of the filter membrane is effectively improved.
The end cover is used for providing enough connection positions for the connecting rod and ensuring that the reinforcing structure is stably connected in the filter membrane.
In the filter membrane assembly for the clean workshop sampling gun, the reinforcing structure comprises a reinforcing plate, a reinforcing sleeve and a connecting rod, the lower end of the filter membrane is propped against the upper portion of the reinforcing plate, the reinforcing plate and the bottom of the filter membrane are fixedly connected to the lower end of the connecting rod, the reinforcing sleeve is fixedly connected to the middle portion of the connecting rod, and the upper portion of the filter membrane is tightly pressed between the reinforcing sleeve and the inner side of the body.
The reinforcing plate contacts with the bottom surface of the filter membrane, and the strength of the bottom of the filter membrane can be effectively improved through the reinforcing plate.
The reinforcing sleeve is abutted against the inner side of the upper end of the filter membrane, and when air flow enters the filter membrane, the upper end of the filter membrane is tightly pressed between the reinforcing sleeve and the inner side of the body, so that the filter membrane can be prevented from being attached to the inner side of the body all the time.
In the filter membrane assembly for the clean workshop sampling gun, the pre-tightening structure comprises a spring and a connecting part at the lower end of the connecting rod, the connecting part is larger than the connecting rod in size and located at the lower part of the reinforcing plate, the upper end of the spring is sleeved on the connecting part, and the lower end of the spring is propped against the bottom in the body.
The spring upper end cover is in connecting portion department, fixes a position spring upper end through connecting portion, and such structure can make the spring stable be located between the bottom in gusset plate and the body.
In the filter membrane assembly for the clean workshop sampling gun, the connecting rod is connected with the locking nut in a threaded manner, and the bottom of the filter membrane and the reinforcing plate are tightly pressed between the locking nut and the connecting part.
The reinforcing plate and the bottom of the filter membrane can be stably and fixedly connected at the lower end of the connecting rod through the locking nut.
In the filter membrane assembly of the filter cartridge for the clean workshop sampling gun, the inner side of the end cover protrudes out of the inner side of the filter membrane, and the reinforcing sleeve has a tendency to be abutted against the end cover under the action of the elasticity of the spring.
The upper end of the filter membrane extends out of the end cover, and the end cover is always abutted against the end cover, so that the filter membrane can be stably attached to the through hole of the body through the structure.
In the filter membrane assembly of the filter cartridge for the clean workshop sampling gun, the reinforcing sleeve comprises a cylindrical outer cylinder body and an inner cylinder body, wherein the outer cylinder body and the inner cylinder body are fixedly connected through ribs, the outer cylinder body and the inner cylinder body are coaxially arranged, the inner cylinder body is fixedly connected with the connecting rod, and the outer cylinder body abuts against the inner side of the filter membrane.
The outer cylinder body is fixedly connected with the inner cylinder body through ribs, and air flow can smoothly enter the filter membrane from the space between the outer cylinder body and the inner cylinder body.
The outer cylinder body is abutted against the inner side of the filter membrane, and the upper end of the filter membrane is positioned through the outer cylinder body.
The inner cylinder body is contacted with the connecting rod, and the inner cylinder body is stably connected with the connecting rod due to the large contact area of the inner cylinder body and the connecting rod, so that the reinforcing sleeve is finally stably connected on the connecting rod.
In the filter cartridge filter membrane assembly for the clean workshop sampling gun, the inner cylinder body is connected to the connecting rod in a threaded manner.
The inner cylinder body and the connecting rod can be stably connected through threaded connection, the position of the inner cylinder body on the connecting rod can be adjusted according to actual conditions, and the applicability of the connecting rod is properly improved.
In the filter membrane component of the filter cartridge for the clean workshop sampling gun, the end cover is provided with a plurality of through inlets which are circumferentially and uniformly distributed on the end cover.
The air flow can stably enter the body through a plurality of inlets.
In the filter membrane assembly for the clean workshop sampling gun, the upper end of the connecting rod extends out of the end cover.
When the filter membrane is not required to be completely replaced by accumulating more sundries, the connecting rod can be frequently pulled in a reciprocating manner by applying external force, and the connecting rod can drive the filter membrane to act together in the up-and-down moving process, so that the impurities attached to the filter membrane too tightly are finally shaken off.
Of course, when the impurities attached to the filter membrane cannot be removed significantly by the above method, the filter membrane needs to be replaced.
In the filter membrane component of the filter cartridge for the clean workshop sampling gun, the end cover is buckled on the outer side of the upper end of the body and is in threaded connection with the outer side of the upper end of the body, the inner side of the end cover is provided with the contact part which is in an annular bulge shape, and the reinforcing sleeve is abutted against the contact part.
The structure not only can stably connect the end cover at the upper end of the body, but also can lean against the reinforcing sleeve to prevent the reinforcing sleeve from falling off from the body.
Compared with the prior art, the filter membrane component of the filter cartridge for the clean workshop sampling gun can timely eliminate impurities attached to the filter membrane, and can conveniently replace the filter membrane after long-time use, so that the filter membrane component is higher in stability and lower in use cost.
The end cover and the reinforcing structure can be used for stably tensioning the filter membrane in the body, and the filter membrane is convenient to assemble and disassemble and has high practical value.
Drawings
FIG. 1 is a schematic cross-sectional view of a filter cartridge filter membrane assembly of the present invention for a clean shop sampling gun.
Fig. 2 is a schematic top view of the filter cartridge filter membrane assembly of the present clean shop sampling gun.
In the figure, 1, a body; 1a, through holes; 2. a filter membrane; 3. an end cap; 3a, an inlet; 3b, a contact part; 4. a reinforcing plate; 5. reinforcing the sleeve; 5a, an outer cylinder; 5b, an inner cylinder body; 5c, ribs; 6. a connecting rod; 6a, a connecting part; 7. a spring; 8. and (5) locking the nut.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention.
It is noted that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 and 2, the filter membrane component of the filter cartridge for the clean workshop sampling gun comprises a cylindrical body 1, and further comprises a filter membrane 2, an end cover 3, a reinforcing structure and a pre-tightening structure, wherein the upper end of the body 1 is opened and a through hole 1a penetrating through the side part of the body 1, the filter membrane 2 is cylindrical and is opened at the upper end, the filter membrane 2 is embedded in the body 1, the reinforcing structure is connected to the filter membrane 2, the filter membrane 2 is stably attached to the inner side of the body 1 under the action of the reinforcing structure, the pre-tightening structure is positioned between the bottom of the filter membrane 2 and the bottom of the body 1, the end cover 3 is connected to the upper end opening of the body 1, and the filter membrane 2 has a trend of shielding the through hole 1a under the action of the pre-tightening structure.
The reinforcing structure comprises a reinforcing plate 4, a reinforcing sleeve 5 and a connecting rod 6, the lower end of the filter membrane 2 is propped against the upper portion of the reinforcing plate 4, the reinforcing plate 4 and the bottom of the filter membrane 2 are fixedly connected to the lower end of the connecting rod 6, the reinforcing sleeve 5 is fixedly connected to the middle portion of the connecting rod 6, and the upper portion of the filter membrane 2 is tightly pressed between the reinforcing sleeve 5 and the inner side of the body 1.
The pre-tightening structure comprises a spring 7 and a connecting part 6a at the lower end of the connecting rod 6, wherein the size of the connecting part 6a is larger than that of the connecting rod 6, the connecting part 6a is positioned at the lower part of the reinforcing plate 4, the upper end of the spring 7 is sleeved on the connecting part 6a, and the lower end of the spring 7 is propped against the bottom in the body 1.
The connecting rod 6 is connected with a lock nut 8 in a threaded manner, and the bottom of the filter membrane 2 and the reinforcing plate 4 are tightly pressed between the lock nut 8 and the connecting part 6 a.
The inner side of the end cover 3 protrudes out of the inner side of the filter membrane 2, and the reinforcing sleeve 5 has a tendency to lean against the end cover 3 under the action of the elasticity of the spring 7.
The reinforcing sleeve 5 comprises an outer cylinder 5a and an inner cylinder 5b which are in a cylindrical shape, wherein the outer cylinder 5a and the inner cylinder 5b are fixedly connected through ribs 5c, the outer cylinder 5a and the inner cylinder 5b are arranged on the same axis, the inner cylinder 5b is fixedly connected with a connecting rod 6, and the outer cylinder 5a abuts against the inner side of the filter membrane 2.
The inner cylinder 5b is connected to the connecting rod 6 in a threaded manner.
The end cover 3 is provided with a plurality of penetrating inlets 3a, and the inlets 3a are circumferentially and uniformly distributed on the end cover 3.
The upper end of the connecting rod 6 extends out of the end cover 3.
The end cover 3 is buckled on the outer side of the upper end of the body 1 and is in threaded connection with the outer side of the upper end of the body, the inner side of the end cover 3 is provided with a contact part 3b which is in an annular bulge shape, and the reinforcing sleeve 5 is abutted against the contact part 3 b.
The filter membrane is a filter screen with smaller pores.
Because the filter screen is soft in texture, deformation easily occurs under the action of rapid air flow.
This a filter cartridge filter membrane subassembly for clean workshop sampling rifle creatively supports the filter membrane through reinforced structure, guarantees that the filter membrane can be stable connect in this and the stable subsides of filter membrane is inboard at the body.
The filter membrane is stably connected in the body, so that the air flow entering from the upper end of the body can form good filtration under the action of the filter membrane in the output process of the through hole.
Meanwhile, the filter membrane can be ensured to be stably positioned at the through hole under the action of the pre-tightening structure, and the stability of the filter membrane is effectively improved.
The end cover is used for providing enough connection positions for the connecting rod and ensuring that the reinforcing structure is stably connected in the filter membrane.
The technical features of the above-described embodiments may be combined in any manner, and for brevity, all of the possible combinations of the technical features of the above-described embodiments are not described, however, all of the combinations of the technical features should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
It will be appreciated by persons skilled in the art that the above embodiments have been provided for the purpose of illustrating the invention and are not to be construed as limiting the invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.
Claims (7)
1. The filter membrane component comprises a cylindrical body, a filter membrane, an end cover, a reinforcing structure and a pre-tightening structure, wherein the upper end of the body is provided with an opening and a through hole penetrating through the side part of the body, the filter membrane is cylindrical and is provided with an opening at the upper end, the filter membrane is embedded in the body, the reinforcing structure is connected to the filter membrane, the outer side of the filter membrane can be stably attached to the inner side of the body under the action of the reinforcing structure, the pre-tightening structure is positioned between the bottom of the filter membrane and the bottom in the body, the end cover is connected to the port of the body, and the filter membrane has a tendency of shielding at the through hole under the action of the pre-tightening structure;
the reinforcing structure comprises a reinforcing plate, a reinforcing sleeve and a connecting rod, wherein the lower end of the filter membrane is abutted against the upper part of the reinforcing plate, the reinforcing plate and the bottom of the filter membrane are fixedly connected to the lower end of the connecting rod, the reinforcing sleeve is fixedly connected to the middle part of the connecting rod, and the upper part of the filter membrane is tightly pressed between the reinforcing sleeve and the inner side of the body;
the pre-tightening structure comprises a spring and a connecting part at the lower end of a connecting rod, the connecting part is larger than the connecting rod in size and is positioned at the lower part of the reinforcing plate, the upper end of the spring is sleeved on the connecting part, and the lower end of the spring is propped against the bottom in the body;
the connecting rod is connected with a lock nut in a threaded manner, and the bottom of the filter membrane and the reinforcing plate are tightly pressed between the lock nut and the connecting part.
2. The filter cartridge filter membrane assembly for a clean shop sampling gun of claim 1, wherein the inside of the end cap protrudes from the inside of the filter membrane, and the reinforcement sleeve has a tendency to abut against the end cap under the force of the spring.
3. The filter cartridge filter membrane assembly for a clean workshop sampling gun according to claim 2, wherein the reinforcing sleeve comprises a cylindrical outer cylinder body and an inner cylinder body, the outer cylinder body and the inner cylinder body are fixedly connected through ribs, the outer cylinder body and the inner cylinder body are coaxially arranged, the inner cylinder body is fixedly connected with a connecting rod, and the outer cylinder body abuts against the inner side of the filter membrane.
4. The cartridge filter assembly for a clean shop sampling gun of claim 3, wherein the inner cylinder is threadably connected to a connecting rod.
5. The filter cartridge filter membrane assembly for a clean shop sampling gun of claim 4, wherein the end cap has a plurality of inlets therethrough and the plurality of inlets are circumferentially and uniformly disposed on the end cap.
6. The cartridge filter assembly for a clean shop sampling gun of claim 5, wherein the upper end of the tie rod extends beyond the end cap.
7. The filter cartridge assembly of claim 6, wherein the end cap is fastened to the outer side of the upper end of the body and is screwed with the outer side of the upper end of the body, the inner side of the end cap has an annular protruding contact portion, and the reinforcing sleeve is abutted against the contact portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210725850.2A CN115350538B (en) | 2022-06-23 | 2022-06-23 | Filter cartridge and filter membrane assembly for clean workshop sampling gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210725850.2A CN115350538B (en) | 2022-06-23 | 2022-06-23 | Filter cartridge and filter membrane assembly for clean workshop sampling gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115350538A CN115350538A (en) | 2022-11-18 |
| CN115350538B true CN115350538B (en) | 2024-01-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210725850.2A Active CN115350538B (en) | 2022-06-23 | 2022-06-23 | Filter cartridge and filter membrane assembly for clean workshop sampling gun |
Country Status (1)
| Country | Link |
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| CN (1) | CN115350538B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4040640A1 (en) * | 1990-12-19 | 1992-07-02 | Kernforschungsz Karlsruhe | Extn. filter for flue gas flow analysis - comprises safety filter in filter body with rod and cover, for max safe compact appts. operation |
| US6592152B1 (en) * | 1998-04-28 | 2003-07-15 | Asahi Kasei Corporation | Joint structure for filtration membrane module |
| CN104964891A (en) * | 2015-07-10 | 2015-10-07 | 北京市环境保护监测中心 | Detection method of no-clean particulate matter concentration as well as sampling apparatus and sampling device |
| CN206479376U (en) * | 2017-03-07 | 2017-09-08 | 江苏新锐环境监测有限公司 | A kind of smoke dust sampling gun |
| CN210699172U (en) * | 2019-06-05 | 2020-06-09 | 河海大学 | Haze treatment device and street lamp capable of treating haze |
| CN212141877U (en) * | 2020-04-28 | 2020-12-15 | 山东科星机械涂装科技有限公司 | Multi-filter-cylinder dust remover convenient for replacing filter cylinders |
| CN212844555U (en) * | 2020-07-16 | 2021-03-30 | 广东华创检测技术有限公司 | Multifunctional smoke dust sampling tube |
| CN212942011U (en) * | 2020-05-16 | 2021-04-13 | 安徽盛能环保科技有限公司 | Vacuum negative pressure cleaning device for power plant coal factory |
| CN214634459U (en) * | 2021-04-23 | 2021-11-09 | 王力欣 | A sewage current drainage mechanism for town road |
-
2022
- 2022-06-23 CN CN202210725850.2A patent/CN115350538B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4040640A1 (en) * | 1990-12-19 | 1992-07-02 | Kernforschungsz Karlsruhe | Extn. filter for flue gas flow analysis - comprises safety filter in filter body with rod and cover, for max safe compact appts. operation |
| US6592152B1 (en) * | 1998-04-28 | 2003-07-15 | Asahi Kasei Corporation | Joint structure for filtration membrane module |
| CN104964891A (en) * | 2015-07-10 | 2015-10-07 | 北京市环境保护监测中心 | Detection method of no-clean particulate matter concentration as well as sampling apparatus and sampling device |
| CN206479376U (en) * | 2017-03-07 | 2017-09-08 | 江苏新锐环境监测有限公司 | A kind of smoke dust sampling gun |
| CN210699172U (en) * | 2019-06-05 | 2020-06-09 | 河海大学 | Haze treatment device and street lamp capable of treating haze |
| CN212141877U (en) * | 2020-04-28 | 2020-12-15 | 山东科星机械涂装科技有限公司 | Multi-filter-cylinder dust remover convenient for replacing filter cylinders |
| CN212942011U (en) * | 2020-05-16 | 2021-04-13 | 安徽盛能环保科技有限公司 | Vacuum negative pressure cleaning device for power plant coal factory |
| CN212844555U (en) * | 2020-07-16 | 2021-03-30 | 广东华创检测技术有限公司 | Multifunctional smoke dust sampling tube |
| CN214634459U (en) * | 2021-04-23 | 2021-11-09 | 王力欣 | A sewage current drainage mechanism for town road |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115350538A (en) | 2022-11-18 |
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