CN118831389A - Filter element filtering structure with self-cleaning function - Google Patents
Filter element filtering structure with self-cleaning function Download PDFInfo
- Publication number
- CN118831389A CN118831389A CN202410863138.8A CN202410863138A CN118831389A CN 118831389 A CN118831389 A CN 118831389A CN 202410863138 A CN202410863138 A CN 202410863138A CN 118831389 A CN118831389 A CN 118831389A
- Authority
- CN
- China
- Prior art keywords
- filter
- barrel
- cotton
- conduit
- self
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P32/00—Diffusion of dopants within, into or out of wafers, substrates or parts of devices
- H10P32/10—Diffusion of dopants within, into or out of semiconductor bodies or layers
- H10P32/12—Diffusion of dopants within, into or out of semiconductor bodies or layers between a solid phase and a gaseous phase
-
- 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
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
-
- 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
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P32/00—Diffusion of dopants within, into or out of wafers, substrates or parts of devices
- H10P32/10—Diffusion of dopants within, into or out of semiconductor bodies or layers
- H10P32/17—Diffusion of dopants within, into or out of semiconductor bodies or layers characterised by the semiconductor material
- H10P32/171—Diffusion of dopants within, into or out of semiconductor bodies or layers characterised by the semiconductor material being group IV material
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
本申请公开了一种具有自清洁的过滤芯过滤结构，包括过滤瓶、进气管、过滤棉、挤压组件、净液桶、废液桶和出气管，过滤瓶的开口处设有密封盖，进气管贯穿密封盖并延伸至过滤瓶的底部；过滤瓶的内部安装有载桶，过滤棉设置在载桶的内部；挤压组件安装在密封盖上，且挤压组件的一端位于过滤棉的上方，挤压组件用于对过滤棉进行挤压，以排出过滤棉中的杂质和液体；净液桶通过第一导管与过滤瓶连通设置；废液桶通过第二导管与过滤瓶连通设置，且第一导管和第二导管上均设有截止阀；出气管与过滤瓶连通设置。由此，能够对滤芯进行自清洁，操作简单，从而提高了滤芯的使用寿命和滤芯的过滤效率，且利用过滤液尾气中杂质进行过滤，还能够提升过滤效果。
The present application discloses a filter element filtration structure with self-cleaning, including a filter bottle, an air inlet pipe, filter cotton, an extrusion assembly, a clean liquid barrel, a waste liquid barrel and an air outlet pipe, a sealing cover is provided at the opening of the filter bottle, the air inlet pipe penetrates the sealing cover and extends to the bottom of the filter bottle; a carrier barrel is installed inside the filter bottle, and the filter cotton is arranged inside the carrier barrel; the extrusion assembly is installed on the sealing cover, and one end of the extrusion assembly is located above the filter cotton, and the extrusion assembly is used to squeeze the filter cotton to discharge impurities and liquid in the filter cotton; the clean liquid barrel is connected to the filter bottle through a first conduit; the waste liquid barrel is connected to the filter bottle through a second conduit, and a stop valve is provided on the first conduit and the second conduit; the air outlet pipe is connected to the filter bottle. Thus, the filter element can be self-cleaned, the operation is simple, thereby improving the service life of the filter element and the filtering efficiency of the filter element, and the impurities in the tail gas of the filtered liquid are filtered, and the filtering effect can also be improved.
Description
Technical Field
The application relates to the technical field of filter devices, in particular to a filter core filter structure with self-cleaning function.
Background
Crystalline silicon solar cells have been applied in a large scale to various fields, and their good stability and mature process flow are the basis for their large scale application. In the preparation process of the crystalline silicon solar cell, a boron diffusion process is a main method for preparing a PN junction of the crystalline silicon solar cell, and the principle is that a P-type silicon wafer doped with boron is diffused at high temperature, so that liquid boron oxide is deposited on the surface of the silicon wafer in a diffusion furnace tube and undergoes a reduction reaction with silicon to generate a boron simple substance, and the boron simple substance is used as a diffusion source to diffuse into the silicon wafer at high temperature to form the PN junction.
Gaseous boron oxide is generated during the boron diffusion process, and at present, filtration is mainly performed by placing a filter core made of PTFE (polytetrafluoroethylene ) material in the filter. However, this filter core is usually only fit for filtering dry gas, and to the gas that contains steam, the life of filter core can reduce to 20%, just needs to change the filter core in the shorter cycle simultaneously, and the filter core just needs to change the washing to the filter core about 7 days of use, and old filter core is used once more after wasing, and not only complex operation, and along with the washing frequency filter effect of filter core can reduce gradually, in addition, frequently change the filter core, still reduced filterable efficiency.
Disclosure of Invention
The present application aims to solve at least one of the technical problems in the related art to some extent.
Therefore, an object of the present application is to provide a filter element filtering structure with self-cleaning function, which can self-clean a filter element, and has simple operation, thereby improving the service life of the filter element and the filtering efficiency of the filter element, and filtering impurities in the tail gas of filtrate, and improving the filtering effect.
In order to achieve the above object, an embodiment of the first aspect of the present application provides a filter structure with a self-cleaning filter core, including a filter flask, an air inlet pipe, filter cotton, an extrusion assembly, a liquid purifying barrel, a waste liquid barrel and an air outlet pipe, wherein a sealing cover is arranged at an opening of the filter flask, and the air inlet pipe penetrates through the sealing cover and extends to the bottom of the filter flask; the filter bottle is internally provided with a carrying barrel, the filter cotton is arranged in the carrying barrel; the extrusion assembly is arranged on the sealing cover, and one end of the extrusion assembly is positioned above the filter cotton, wherein the extrusion assembly is used for extruding the filter cotton so as to discharge impurities and liquid in the filter cotton; the liquid purifying barrel is communicated with the filter flask through a first conduit; the waste liquid barrel is communicated with the filter flask through a second conduit, and stop valves are arranged on the first conduit and the second conduit; the air outlet pipe is communicated with the filter flask.
According to the filter core filtering structure with the self-cleaning function, the filter cotton can be extruded through the extrusion component, so that waste liquid in the filter cotton is removed, the effect of cleaning the filter core is achieved, the filter core is not required to be replaced, the operation is simple, the service life of the filter core and the filtering efficiency of the filter core are improved, in addition, impurities in tail gas of filtrate are utilized for filtering, and the filtering effect can be improved.
In addition, the filter structure with the self-cleaning filter core provided by the application can also have the following additional technical characteristics:
In one embodiment of the application, the squeeze assembly comprises a cylinder, a guide rod, a piston, a pressure plate, and a spring, wherein the guide rod extends through the seal cap and into the interior of the filter flask; the top end of the guide rod is provided with a bearing block, and the air cylinder is connected with the bearing block; the piston is arranged in the filter bottle in a sliding manner, and the piston is arranged on the guide rod; the pressing plate is arranged at the end part of the guide rod and is positioned above the filter cotton; the spring is sleeved on the guide rod, and two ends of the spring are respectively connected with the bearing block and the sealing cover.
In one embodiment of the application, the filter flask and the clean liquid bucket are both internally filled with sodium chloride solution, wherein the concentration of the sodium chloride solution is 5 mol/L.
In one embodiment of the application, the outlet tube is connected to a vacuum pump.
Additional aspects and advantages of the application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the application.
Drawings
The foregoing and/or additional aspects and advantages of the application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic illustration of a filter structure with a self-cleaning filter core according to one embodiment of the present application;
FIG. 2 is a cross-sectional view of a filter structure having a self-cleaning filter core according to one embodiment of the application.
As shown in the figure: 1. a filter flask; 2. an air inlet pipe; 3. filtering cotton; 4. an extrusion assembly; 5. a liquid purifying barrel; 6. a waste liquid barrel; 7. an air outlet pipe; 8. sealing cover; 9. a carrying barrel; 10. a first conduit; 11. a second conduit; 12. a stop valve; 13. a vacuum pump; 40. a cylinder; 41. a guide rod; 42. a piston; 43. a pressing plate; 44. a spring; 45. and a bearing block.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting the application. On the contrary, the embodiments of the application include all alternatives, modifications and equivalents as may be included within the spirit and scope of the appended claims.
A self-cleaning filter cartridge filter structure according to an embodiment of the present application is described below with reference to the accompanying drawings.
As shown in fig. 1 to 2, the filter structure with a self-cleaning filter core according to the embodiment of the present application may include a filter flask 1, an air inlet pipe 2, a filter cotton 3, a squeezing assembly 4, a liquid purifying tank 5, a waste liquid tank 6, and an air outlet pipe 7.
Wherein, the opening part of filter flask 1 is equipped with sealed lid 8, and intake pipe 2 runs through sealed lid 8 and extends to the bottom of filter flask 1, and the internally mounted of filter flask 1 has carries bucket 9, and filter pulp 3 sets up in the inside that carries bucket 9.
It should be noted that, the filter cotton 3 described in this embodiment is a high water absorption sponge, and polyurethane sponge, latex sponge or polyvinyl alcohol foam sponge may be used, wherein the PPI (spongy mass per square inch, PAR PER I NCH) of the filter cotton 3 is 35.
In the embodiment of the application, the air inlet pipe 2 is connected with the boron diffusion tail drain pipeline so as to introduce the discharged gas into the filter flask 1, and the impurities such as boron oxide gas, chlorine gas and the like are removed through the filtration of the filter flask 1.
Further, the carrying drum 9 has a net structure, and when the filter cotton 3 is extruded, waste liquid (including impurities and solution) in the filter cotton 3 is extruded and flows into the filter flask 1 through the mesh holes on the carrying drum 9.
The extrusion subassembly 4 is installed on sealed lid 8, and the one end of extrusion subassembly 4 is located the top of filter pulp 3, wherein, extrusion subassembly 4 is used for carrying out the extrusion to filter pulp 3 to impurity and liquid in the discharge filter pulp 3, clean liquid bucket 5 sets up through first pipe 10 and filter flask 1 intercommunication, waste liquid bucket 6 sets up through second pipe 11 and filter flask 1 intercommunication, and all is equipped with stop valve 12 on first pipe 10 and the second pipe 11, outlet duct 7 and filter flask 1 intercommunication set up.
In the embodiment of the application, when the filter cotton 3 needs to be cleaned, impurities and solution in the filter cotton 3 can be extruded through the extrusion component 4 and then restored to the initial state, so that the aim of self-cleaning is achieved, the filter element is not required to be replaced, the operation is simple, and the tail gas filtering effect and efficiency are improved.
Further, a liquid pump is communicated with the first conduit 10, and the solution in the clean liquid barrel 5 can be pumped into the filter flask 1 through the liquid pump.
In one embodiment of the present application, as shown in fig. 2, the air outlet pipe 7 is connected to a vacuum pump 13, and the filter flask 1 can be pumped by the vacuum pump 13 to allow the filtered air to be rapidly discharged.
Specifically, to gas filtration's in-process, tail gas lets in to filter flask 1's inside from intake pipe 2 to link to each other vacuum pump 13 and outlet duct 7, pump down outlet duct 7 through vacuum pump 13, the tail gas is after the filtration of filtrate, and the filtration of cotton filter 3 is followed outlet duct 7 and is discharged again, and partial impurity and steam can be intercepted in cotton filter 3's inside.
When the filter cotton 3 is required to be filtered, the related personnel control the extrusion assembly 4 to start so as to extrude the filter cotton 3, at the moment, waste liquid in the filter cotton 3 is discharged into the filter flask 1, at the moment, the stop valve 12 on the second conduit 11 is opened, waste liquid in the filter flask 1 flows into the waste liquid barrel 6 through the pipeline, then the stop valve 12 on the second conduit 11 is closed, the stop valve 12 on the first conduit 10 is opened, and the solution in the clean liquid barrel 5 is pumped into the filter flask 1 through the liquid pump.
To further clearly illustrate the above embodiment, in one embodiment of the present application, as shown in fig. 2, the pressing assembly 4 may include an air cylinder 40, a guide rod 41, a piston 42, a pressing plate 43 and a spring 44, wherein the guide rod 41 penetrates the sealing cover 8 and extends to the inside of the filter flask 1, a bearing block 45 is disposed at the top end of the guide rod 41, the air cylinder 40 is connected with the bearing block 45, the piston 42 is slidably disposed in the inside of the filter flask 1, the piston 42 is disposed on the guide rod 41, the pressing plate 43 is disposed at the end of the guide rod 41, the pressing plate 43 is located above the filter cotton 3, the spring 44 is sleeved on the guide rod 41, and two ends of the spring 44 are respectively connected with the bearing block 45 and the sealing cover 8.
It should be noted that, in this embodiment, the air cylinder 40 is mounted above the bearing block 45 through a bracket (not shown in the drawing), when the air cylinder 40 is started, the telescopic rod of the air cylinder 40 moves downward, and presses the guide rod 41 to move downward, at this time, the spring 44 is compressed, so as to drive the pressing plate 43 to move downward, and finally, the pressing plate 43 presses the filter cotton 3, and extrudes the waste liquid in the filter cotton 3, and when the telescopic rod of the air cylinder 40 is retracted, under the cooperation of the spring 44, the guide rod 41 can be driven to move upward, and finally, the pressing plate 43 is located above the filter cotton 3.
In one embodiment of the present application, as shown in fig. 2, the inside of each of the filter flask 1 and the net liquid tank 5 contains a sodium chloride solution, wherein the concentration of the sodium chloride solution is 5 mol/L.
In the embodiment of the application, boron oxide gas in the tail gas is separated out from the gas after being cooled by the sodium chloride solution and is fused into the sodium chloride solution, so that boron oxide impurities are removed, and meanwhile, the sodium chloride solution can also filter chlorine in the tail gas.
Specifically, when filtering boron diffusion tail gas, relevant personnel let in the inside of sodium chloride solution with tail gas through filter flask 1 to bleed to outlet duct 7 through vacuum pump 13, after the cooling of sodium chloride solution, boric oxide separates out, and fuses in the inside of sodium chloride solution, and when the gas after the filtration was through filter pulp 3, filter pulp 3 can further filter impurity and steam, and impurity and steam are intercepted in the inside of filter pulp 3.
After the filter cotton 3 is used for a long time, the filter cotton 3 needs to be cleaned, the related personnel control the air cylinder 40 to start, the air cylinder 40 downwards presses the guide rod 41, the spring 44 is compressed, the guide rod 41 drives the piston 42 and the pressing plate 43 to move downwards, the filter cotton 3 is extruded through the pressing plate 43, so that waste liquid inside the filter cotton 3 is extruded, the extruded waste liquid flows into the filter flask 1, then the stop valve 12 on the second guide tube 11 is opened, waste liquid inside the filter flask 1 flows into the waste liquid barrel 6, finally the stop valve 12 on the second guide tube 11 is closed, the stop valve 12 on the first guide tube 10 is opened, the solution in the clean liquid barrel 5 is pumped into the filter flask 1 through the liquid pump, tail gas can be filtered again, the filter element is not required to be replaced, the operation is convenient, tail gas with water vapor can be filtered, the service life of the filter element is prolonged, and the filtering effect and the efficiency of the tail gas are improved.
In summary, according to the filter core filtering structure with the self-cleaning function, disclosed by the embodiment of the application, the filter cotton can be extruded through the extrusion component, so that waste liquid in the filter cotton is removed, the effect of cleaning the filter core is achieved, the filter core is not required to be replaced, the operation is simple, the service life of the filter core and the filtering efficiency of the filter core are improved, in addition, impurities in tail gas of filtrate are utilized for filtering, and the filtering effect can be improved.
In the description of this specification, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
Claims (4)
1. The filter core filtering structure with the self-cleaning function is characterized by comprising a filter flask (1), an air inlet pipe (2), filter cotton (3), an extrusion component (4), a liquid purifying barrel (5), a waste liquid barrel (6) and an air outlet pipe (7), wherein,
The opening of the filter bottle (1) is provided with a sealing cover (8), and the air inlet pipe (2) penetrates through the sealing cover (8) and extends to the bottom of the filter bottle (1);
The filter bottle (1) is internally provided with a carrying barrel (9), and the filter cotton (3) is arranged in the carrying barrel (9);
The extrusion assembly (4) is arranged on the sealing cover (8), and one end of the extrusion assembly (4) is positioned above the filter cotton (3), wherein the extrusion assembly (4) is used for extruding the filter cotton (3) so as to discharge impurities and liquid in the filter cotton (3);
The liquid purifying barrel (5) is communicated with the filter flask (1) through a first conduit (10);
the waste liquid barrel (6) is communicated with the filter flask (1) through a second conduit (11), and stop valves (12) are arranged on the first conduit (10) and the second conduit (11);
the air outlet pipe (7) is communicated with the filter flask (1).
2. The filter structure with self-cleaning filter core according to claim 1, characterized in that the pressing assembly (4) comprises a cylinder (40), a guide rod (41), a piston (42), a pressing plate (43) and a spring (44), wherein,
The guide rod (41) penetrates through the sealing cover (8) and extends to the inside of the filter bottle (1);
A bearing block (45) is arranged at the top end of the guide rod (41), and the air cylinder (40) is connected with the bearing block (45);
the piston (42) is arranged inside the filter flask (1) in a sliding manner, and the piston (42) is arranged on the guide rod (41);
The pressing plate (43) is arranged at the end part of the guide rod (41), and the pressing plate (43) is positioned above the filter cotton (3);
the spring (44) is sleeved on the guide rod (41), and two ends of the spring (44) are respectively connected with the bearing block (45) and the sealing cover (8).
3. The filter structure with self-cleaning filter core according to claim 1, characterized in that the inside of the filter flask (1) and the clean liquid bucket (5) are both filled with sodium chloride solution, wherein the concentration of the sodium chloride solution is 5mol/L.
4. The filter structure with self-cleaning filter core according to claim 1, characterized in that the outlet duct (7) is connected to a vacuum pump (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410863138.8A CN118831389A (en) | 2024-06-29 | 2024-06-29 | Filter element filtering structure with self-cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410863138.8A CN118831389A (en) | 2024-06-29 | 2024-06-29 | Filter element filtering structure with self-cleaning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118831389A true CN118831389A (en) | 2024-10-25 |
Family
ID=93148664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410863138.8A Pending CN118831389A (en) | 2024-06-29 | 2024-06-29 | Filter element filtering structure with self-cleaning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118831389A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119744636A (en) * | 2025-03-05 | 2025-04-04 | 山东九牛农牧科技有限公司 | Water and fertilizer integrated intelligent drip irrigation device for fruit tree planting and use method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170304776A1 (en) * | 2016-04-21 | 2017-10-26 | Xiamen Runner Industrial Corporation | Filter core structure having flow guiding and flushing capabilities |
| CN208493738U (en) * | 2018-05-28 | 2019-02-15 | 河南嘉合智能发展股份有限公司 | Dense smoke filtering emission device after a kind of fire extinguishing of structural fire protection |
| CN110787591A (en) * | 2019-11-14 | 2020-02-14 | 安徽怀远康华塑胶制品有限公司 | Shrink film blowing processing is with autogiration washing formula tail gas treatment jar |
| CN114797369A (en) * | 2022-04-28 | 2022-07-29 | 上海京瑞实业有限公司 | Peculiar smell exhaust gas purification equipment for sewage treatment plant workshop |
| CN115127346A (en) * | 2022-08-11 | 2022-09-30 | 刘长青 | Industrial furnace with waste gas purification function |
-
2024
- 2024-06-29 CN CN202410863138.8A patent/CN118831389A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170304776A1 (en) * | 2016-04-21 | 2017-10-26 | Xiamen Runner Industrial Corporation | Filter core structure having flow guiding and flushing capabilities |
| CN208493738U (en) * | 2018-05-28 | 2019-02-15 | 河南嘉合智能发展股份有限公司 | Dense smoke filtering emission device after a kind of fire extinguishing of structural fire protection |
| CN110787591A (en) * | 2019-11-14 | 2020-02-14 | 安徽怀远康华塑胶制品有限公司 | Shrink film blowing processing is with autogiration washing formula tail gas treatment jar |
| CN114797369A (en) * | 2022-04-28 | 2022-07-29 | 上海京瑞实业有限公司 | Peculiar smell exhaust gas purification equipment for sewage treatment plant workshop |
| CN115127346A (en) * | 2022-08-11 | 2022-09-30 | 刘长青 | Industrial furnace with waste gas purification function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119744636A (en) * | 2025-03-05 | 2025-04-04 | 山东九牛农牧科技有限公司 | Water and fertilizer integrated intelligent drip irrigation device for fruit tree planting and use method |
| CN119744636B (en) * | 2025-03-05 | 2026-03-13 | 山东九牛农牧科技有限公司 | A smart drip irrigation device integrating water and fertilizer for fruit tree planting and its usage method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN118831389A (en) | Filter element filtering structure with self-cleaning function | |
| CN113482743B (en) | Environment-friendly engine oil filter | |
| CN218710831U (en) | Rapid deposition chamber of atomic layer deposition equipment | |
| CN208465509U (en) | A waste gas collection device for heat setting machine | |
| CN210448491U (en) | A cotton-absorbing bellows | |
| CN115480037B (en) | Sewage detection method | |
| CN217139629U (en) | A high-efficiency pleated filter bag | |
| CN215388320U (en) | Air filtering device for spinning workshop | |
| CN213492430U (en) | Cleaning solution regeneration circulating device | |
| CN213383126U (en) | A material extrusion water filter device for modified starch processing | |
| CN220899682U (en) | Glass cooling water cyclic utilization device | |
| CN115178007A (en) | Filter valve for water treatment | |
| CN220767432U (en) | Anti-blocking device for cloth printing dye vat waste water heat energy integration | |
| CN215506018U (en) | An air filter device for an air compressor room | |
| CN220918328U (en) | Vertical double-cylinder melt filament filter | |
| CN224094764U (en) | A drying apparatus for processing recycled polyester | |
| CN222930468U (en) | Structure for filtering waste oil | |
| CN219100201U (en) | Filtering and sand-discharging device for running water supply pipe | |
| CN120346623B (en) | Waste gas treatment and fiber impurity separation device of non-woven fabric oven | |
| CN222034115U (en) | Oil mist separator for vacuum pump | |
| CN219914011U (en) | Ceramic membrane sintering waste heat recovery device | |
| CN219797998U (en) | Condensed water recycling machine | |
| CN221656106U (en) | Filter equipment that compressed air was responsible for | |
| CN212803440U (en) | Detachable fuel filter | |
| CN217887490U (en) | Suction dryer with flow guide and liquid drainage structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20241025 |