CN111514635A - Electrolytic copper foil solution filtering device - Google Patents
Electrolytic copper foil solution filtering device Download PDFInfo
- Publication number
- CN111514635A CN111514635A CN202010422996.0A CN202010422996A CN111514635A CN 111514635 A CN111514635 A CN 111514635A CN 202010422996 A CN202010422996 A CN 202010422996A CN 111514635 A CN111514635 A CN 111514635A
- Authority
- CN
- China
- Prior art keywords
- end cover
- filtering device
- liquid inlet
- pipe
- copper foil
- 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
- 238000001914 filtration Methods 0.000 title claims abstract description 51
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 239000011889 copper foil Substances 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 74
- 239000010949 copper Substances 0.000 claims abstract description 18
- 229910052802 copper Inorganic materials 0.000 claims abstract description 18
- 239000004744 fabric Substances 0.000 claims abstract description 16
- 238000002844 melting Methods 0.000 claims abstract description 16
- 230000008018 melting Effects 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000010865 sewage Substances 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 7
- 238000004080 punching Methods 0.000 description 7
- 239000003792 electrolyte Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
- B01D29/54—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/02—Precoating the filter medium; Addition of filter aids to the liquid being filtered
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses an electrolytic copper foil solution filtering device, which comprises: the device comprises a filtering device, a copper melting device, a liquid inlet device and a liquid purifying device; the filtering device is communicated with a liquid inlet pipe and a liquid outlet pipe; the liquid inlet pipe is communicated with a copper melting device, and the copper melting device is communicated with the liquid inlet device through a pipeline; the liquid outlet pipe is communicated with the liquid purifying device; a filter element is arranged in the filter device and comprises filter cloth, a filter element pipe, an upper end cover, a lower end cover and a connector; the invention designs the filtering device which has simple structure and can be replaced quickly, so that the equipment can realize full-automatic operation and can effectively intercept impurities.
Description
Technical Field
The invention relates to the technical field of electrolyte filtration, in particular to an electrolytic copper foil filtering device.
Background
In the process of electrolytic copper foil, the electrolyte is usually purified by adopting a filtering mode such as a diatomite filter, a plate-frame filter or a bag filter, and impurity components and organic pollutants affecting the quality of the copper foil in the electrolyte are removed, so that the high-quality copper foil is obtained. Plate and frame filters operating with exposure to air are not suitable because the electrolyte contains liquids and gases that are harmful to the body. The bag filter also has the problems of poor filtering effect and frequent replacement. Although the diatomite filter realizes automatic operation, the labor intensity of workers and the probability of contacting harmful substances are reduced, if the diatomite precoating effect is not good, the problem of permeability can occur, and equipment needs to be opened for cleaning the filter element. Therefore, under the condition of not influencing the electrolyte quality, realize automatic operation, reduce manual operation intensity, reduce the filter equipment who contacts harmful gas is a must choice.
Disclosure of Invention
The invention aims to provide a filtering device which is simple in design structure and quick to replace, so that full-automatic operation of equipment is realized, impurities are effectively intercepted, and the filtering requirement of the process is met.
In order to achieve the purpose, the invention provides the following scheme: the invention provides an electrolytic copper foil solution filtering device, which comprises:
the device comprises a filtering device, a copper melting device, a liquid inlet device and a liquid purifying device; the filtering device is communicated with a liquid inlet pipe and a liquid outlet pipe; the liquid inlet pipe is communicated with the copper melting device, and the copper melting device is communicated with the liquid inlet device through a pipeline; the liquid outlet pipe is communicated with the liquid purifying device;
preferably, the copper melting device melts solid copper, mixes the melted solid copper with the solution in the liquid inlet device, and sends the mixture to the filtering device for filtering, and the solution in the liquid inlet device is preferably pure water without impurities; the liquid purifying device is used for storing the high-quality electrolytic copper foil solution filtered by the filtering device.
A filter element is arranged in the filter device; the filter element comprises filter cloth, a filter element pipe, an upper end cover, a lower end cover and a connector; the joint is communicated with a pipe orifice of the liquid inlet pipe; the centers of the upper end cover and the lower end cover are both provided with through holes penetrating through the upper end cover; one end of the upper end cover corresponding to the through hole is fixedly connected with the joint, and a positioning rod is fixedly connected with the lower end cover corresponding to the through hole; the other end of the positioning rod is fixed on the inner wall of the filtering device;
an inner tube and a candle tube are arranged in the filter element tube; the inner tube is fixedly connected with the candle tube; at least one candle tube is arranged around the inner tube; one end of the candle tube is fixedly connected with the upper end cover, and the inner tube is hermetically connected with the through hole on the upper end cover; the other end of the candle tube is fixedly connected with the lower end cover, and the inner tube is communicated with the candle tube at the lower end cover; the filter cloth covers and sets up candle outside of tubes surface, just the both ends of filter cloth are fixed respectively through the mounting upper end cover and lower end cover.
Preferably, the candle tube can be divided into a punching area and a non-punching area in actual work, the punching area is a sector with a section central angle of 90 degrees, the non-punching area is a sector with a section of 270 degrees, and the non-punching area is opposite to the inner tube; the round steel is specifically arranged on the outer side of the punching area; the round steel not only increases the filtering area, but also ensures that enough space is reserved between the filtering cloth and the filtering core pipe.
Preferably, after the filtered liquid flows from the outer side of the candle tube, the filtered liquid rises from bottom to top in the inner tube, then the filtered liquid flows out of the filter element through a liquid outlet pipe of the filter device, and the filtered impurities are discharged through a sewage outlet opening in the filter device.
A fixing frame is also arranged; the outer wall of the bottom of the filtering device is fixedly connected with the fixing frame.
The liquid inlet pipe and the liquid outlet pipe are arranged in parallel along the horizontal direction; a titanium sewage pump is arranged at the pipe orifice of the liquid inlet pipe close to the liquid inlet device; and a titanium purifying pump is arranged at the pipe orifice of the liquid outlet pipe close to the liquid purifying device.
And a sewage discharge pipe is further arranged on the side wall of the bottom of the filtering device.
And a diatomite filter layer which is uniformly smeared is arranged on the filter cloth.
Preferably, the diatomite filter layer can effectively intercept impurities, so that higher-quality electrolytic copper foil solution can be obtained conveniently.
The joint comprises a joint upper assembly, a joint lower assembly and a nut; the joint upper assembly is provided with an external thread which is in threaded connection with the liquid inlet pipe; the lower joint component and the nut are provided with internal threads; the joint upper assembly is rotatably connected with the joint lower assembly.
Preferably, the nut plays the effect of locking fixed joint, sets up the threaded joint and makes the installation dismantle convenient more simple.
Round steel is fixedly arranged on the outer side of the candle tube.
The invention discloses the following technical effects: the filter element is simple in structure, the whole filter element is fastened into a whole, redundant structures are removed, the whole filter element is only required to be replaced during replacement, and the cost is reduced; the round steel is convenient to clean, and the filtering effect is good. The solution of the copper melting device and the liquid inlet device enters the filtering device, and enters the liquid purifying device through the liquid outlet pipe after being filtered by the filter element, so that the impurities of the electrolytic copper foil solution can be efficiently removed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of a cartridge according to the present invention.
Fig. 3 is a cross-sectional view of a filter cartridge according to the present invention.
The device comprises a filter device 1, a copper melting device 2, a liquid inlet device 3, a liquid purifying device 4, a liquid inlet pipe 5, a liquid outlet pipe 6, a filter element 7, a fixing frame 8, a sewage discharge pipe 9, filter cloth 71, an upper end cover 72, a lower end cover 73, a joint 74, an upper joint 741, a lower joint 742, a nut 743, an inner pipe 75, a candle pipe 76, a positioning rod 77, a fixing piece 78 and round steel 79.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides an electrolytic copper foil solution filtering device, which comprises
The device comprises a filtering device 1, a copper melting device 2, a liquid inlet device 3 and a liquid purifying device 4; the filtering device 1 is communicated with a liquid inlet pipe 5 and a liquid outlet pipe 6; the liquid inlet pipe 5 is communicated with a copper melting device 2, and the copper melting device 2 is communicated with the liquid inlet device 3 through a pipeline; the liquid outlet pipe 6 is communicated with the liquid purifying device 4;
a filter element 7 is arranged in the filter device 1; the filter element 7 comprises filter cloth 71, a filter element pipe, an upper end cover 72, a lower end cover 73 and a joint 74; the joint 74 is communicated with one pipe orifice of the liquid inlet pipe 5; the centers of the upper end cover 72 and the lower end cover 73 are provided with through holes penetrating through the upper end cover 72; one end of the upper end cover 72 corresponding to the through hole is fixedly connected with the joint 74, and the lower end cover 73 corresponding to the through hole is fixedly connected with a positioning rod 77; the other end of the positioning rod 77 is fixed on the inner wall of the filtering device 1;
an inner tube 75 and a candle tube 76 are arranged in the filter element tube; the inner tube 75 is fixedly connected with the candle tube 76; at least one candle tube 76 is uniformly arranged around the inner tube 75; one end of the candle tube 76 is fixedly connected with the upper end cover 72, and the inner tube 75 is hermetically connected with the through hole on the upper end cover 72; the other end of the candle tube 76 is fixedly connected with the lower end cover 73, and the inner tube 75 is communicated with the candle tube 76 at the lower end cover 73; the filter cloth 71 covers the outer surface of the candle tube 76, and both ends of the filter cloth 71 are fixed on the upper end cover 72 and the lower end cover 73 by fixing members 78, respectively.
A fixing frame 8 is also arranged; the outer wall of the bottom of the filtering device 1 is fixedly connected with the fixing frame 8.
The liquid inlet pipe 5 and the liquid outlet pipe 6 are arranged in parallel along the horizontal direction; a dirty titanium pump 51 is arranged at the pipe orifice of the liquid inlet pipe 5 close to the liquid inlet device 3; a titanium purifying pump 61 is arranged at the pipe orifice of the liquid outlet pipe 6 close to the liquid purifying device 4.
The side wall of the bottom of the filtering device 1 is also provided with a sewage discharge pipe 9.
The filter cloth 71 is provided with a diatomite filter layer which is evenly smeared.
The joint 74 includes a joint upper member 741, a joint lower member 742, and a nut 743; the joint upper assembly 741 is provided with external threads and is in threaded connection with the liquid inlet pipe 5; the joint lower component 742 and the nut 743 are provided with internal threads; the joint upper member 741 and the joint lower member 742 are rotatably coupled.
In one embodiment of the invention, the fixing member is a hose clamp.
In one embodiment of the present invention, candle tube 76 may be physically separated into a punched area and a non-punched area, wherein the punched area is a sector having a central angle of 90 degrees in cross-section, the non-punched area is a sector having a cross-section of 270 degrees, and the non-punched area is disposed opposite inner tube 75; and the round steel 79 is specifically arranged outside the punching area; the round steel 79 not only increases the filtering area, but also ensures that enough space is reserved between the filtering cloth and the filter element pipe.
The invention discloses the following technical effects: the filter element is simple in structure, the whole filter element is fastened into a whole, redundant structures are removed, the whole filter element is only required to be replaced during replacement, and the cost is reduced; the round steel is convenient to clean, and the filtering effect is good. The solution of the copper melting device and the liquid inlet device enters the filtering device, and enters the liquid purifying device through the liquid outlet pipe after being filtered by the filter element, so that the impurities of the electrolytic copper foil solution can be efficiently removed.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (8)
1. An electrolytic copper foil solution filtering apparatus, comprising:
the device comprises a filtering device (1), a copper melting device (2), a liquid inlet device (3) and a liquid purifying device (4); the filtering device (1) is communicated with a liquid inlet pipe (5) and a liquid outlet pipe (6); the liquid inlet pipe (5) is communicated with the copper melting device (2), and the copper melting device (2) is communicated with the liquid inlet device (3) through a pipeline; the liquid outlet pipe (6) is communicated with the liquid purifying device (4);
a filter element (7) is arranged in the filter device (1); the filter element (7) comprises filter cloth (71), a filter element pipe, an upper end cover (72), a lower end cover (73) and a connector (74); the joint (74) is communicated with one pipe opening of the liquid inlet pipe (5); the centers of the upper end cover (72) and the lower end cover (73) are provided with through holes penetrating through the upper end cover (72); one end of the upper end cover (72) corresponding to the through hole is fixedly connected with the joint (74), and a positioning rod (77) is fixedly connected to the lower end cover (73) corresponding to the through hole; the other end of the positioning rod (77) is fixed on the inner wall of the filtering device (1).
2. The electrolytic copper foil solution filtering device according to claim 1, wherein: an inner tube (75) and a candle tube (76) are arranged in the filter element tube; the inner tube (75) is fixedly connected with the candle tube (76); at least one candle tube (76) is uniformly arranged around the inner tube (75); one end of the candle tube (76) is fixedly connected with the upper end cover (72), and the inner tube (75) is hermetically connected with a through hole on the upper end cover (72); the other end of the candle tube (76) is fixedly connected with the lower end cover (73), and the inner tube (75) is communicated with the candle tube (76) at the lower end cover (73); the filter cloth (71) is covered on the outer surface of the candle tube (76), and two ends of the filter cloth (71) are respectively fixed on the upper end cover (72) and the lower end cover (73) through fixing pieces (78).
3. The electrolytic copper foil solution filtering device according to claim 1, wherein: a fixing frame (8) is also arranged; the outer wall of the bottom of the filtering device (1) is fixedly connected with the fixing frame (8).
4. The electrolytic copper foil solution filtering device according to claim 1, wherein: and round steel (79) is fixedly arranged on the outer side of the candle tube (76).
5. The electrolytic copper foil solution filtering device according to claim 1, wherein: and a sewage discharge pipe (9) is further arranged on the side wall of the bottom of the filtering device (1).
6. The electrolytic copper foil solution filtering device according to claim 1, wherein: and a diatomite filtering layer which is uniformly smeared is arranged on the filtering cloth (71).
7. The electrolytic copper foil solution filtering device according to claim 1, wherein: the fitting (74) includes a fitting upper assembly (741), a fitting lower assembly (742), and a nut (743); the joint upper assembly (741) is provided with an external thread and is in threaded connection with the liquid inlet pipe (5); the joint lower component (742) and the nut (743) are provided with internal threads; the joint upper assembly (741) is rotatably connected with the joint lower assembly (742).
8. The electrolytic copper foil solution filtering device according to claim 1, wherein the liquid inlet pipe (5) and the liquid outlet pipe (6) are arranged in parallel in a horizontal direction; a titanium sewage pump (51) is arranged at the pipe orifice of the liquid inlet pipe (5) close to the liquid inlet device (3); a titanium purifying pump (61) is arranged at the pipe orifice of the liquid outlet pipe (6) close to the liquid purifying device (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010422996.0A CN111514635A (en) | 2020-05-19 | 2020-05-19 | Electrolytic copper foil solution filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010422996.0A CN111514635A (en) | 2020-05-19 | 2020-05-19 | Electrolytic copper foil solution filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111514635A true CN111514635A (en) | 2020-08-11 |
Family
ID=71908953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010422996.0A Pending CN111514635A (en) | 2020-05-19 | 2020-05-19 | Electrolytic copper foil solution filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111514635A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112657261A (en) * | 2020-12-18 | 2021-04-16 | 广东嘉元科技股份有限公司 | Precision filter for producing copper foil and control method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201094874Y (en) * | 2007-09-19 | 2008-08-06 | 飞潮（无锡）过滤技术有限公司 | Liquid collecting tube for supporting filter cloth |
| CN201275442Y (en) * | 2006-11-20 | 2009-07-22 | 飞潮（无锡）过滤技术有限公司 | Framework of filter element |
| CN103520974A (en) * | 2013-09-25 | 2014-01-22 | 山东金盛源铜业有限公司 | Improved coarse filter device for producing electrolytic copper foil |
| CN205164250U (en) * | 2015-12-08 | 2016-04-20 | 广东嘉元科技股份有限公司 | Diatomaceous earth filter for electrolytic copper foil |
| US20180112324A1 (en) * | 2016-10-26 | 2018-04-26 | International Business Machines Corporation | Continuous modification of organics in chemical baths |
| CN209636358U (en) * | 2019-03-18 | 2019-11-15 | 大连华峰发展公司 | A kind of Filter column for electrolyte purification |
| CN210993319U (en) * | 2019-09-23 | 2020-07-14 | 惠州合正电子科技有限公司 | Copper foil electrolytic solution filtering system |
-
2020
- 2020-05-19 CN CN202010422996.0A patent/CN111514635A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201275442Y (en) * | 2006-11-20 | 2009-07-22 | 飞潮（无锡）过滤技术有限公司 | Framework of filter element |
| CN201094874Y (en) * | 2007-09-19 | 2008-08-06 | 飞潮（无锡）过滤技术有限公司 | Liquid collecting tube for supporting filter cloth |
| CN103520974A (en) * | 2013-09-25 | 2014-01-22 | 山东金盛源铜业有限公司 | Improved coarse filter device for producing electrolytic copper foil |
| CN205164250U (en) * | 2015-12-08 | 2016-04-20 | 广东嘉元科技股份有限公司 | Diatomaceous earth filter for electrolytic copper foil |
| US20180112324A1 (en) * | 2016-10-26 | 2018-04-26 | International Business Machines Corporation | Continuous modification of organics in chemical baths |
| CN209636358U (en) * | 2019-03-18 | 2019-11-15 | 大连华峰发展公司 | A kind of Filter column for electrolyte purification |
| CN210993319U (en) * | 2019-09-23 | 2020-07-14 | 惠州合正电子科技有限公司 | Copper foil electrolytic solution filtering system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112657261A (en) * | 2020-12-18 | 2021-04-16 | 广东嘉元科技股份有限公司 | Precision filter for producing copper foil and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111514635A (en) | Electrolytic copper foil solution filtering device | |
| CN218306566U (en) | Novel filter | |
| CN209636358U (en) | A kind of Filter column for electrolyte purification | |
| CN215505854U (en) | Impurity filtering device of tubular heat exchanger | |
| CN211987486U (en) | Integrated filter element of water purifier | |
| CN210193540U (en) | Green building rain sewage treatment and recycling system | |
| CN221131247U (en) | Water treatment facilities convenient to change filter core | |
| CN212632052U (en) | Chemical waste liquid preprocessing device | |
| CN216377686U (en) | Filter material with good corrosion resistance | |
| CN218058617U (en) | Liquid separation device for water body purification | |
| CN217247396U (en) | Waste liquid filtering and purifying device | |
| CN221619469U (en) | Anion-cation exchange column | |
| CN221673533U (en) | Molecular sieve processing waste residue cleaning device | |
| CN218944471U (en) | Water inlet device of filter | |
| CN219646805U (en) | Multistage filtration drainage purifier | |
| CN215995827U (en) | Full-automatic backwashing lamination type filter | |
| CN215742095U (en) | Filter core structure convenient to change clearance | |
| CN218249313U (en) | Combined gas-liquid separator | |
| CN212293181U (en) | Sewage recovery processing device | |
| CN219186079U (en) | Filter screen convenient to replace for industrial pipeline filter | |
| CN219815466U (en) | Defoaming agent filtration equipment | |
| CN215444555U (en) | Oil tank for multi-stage filtration hydraulic oil | |
| CN215313110U (en) | Integrative filter of thick liquids magnet and filter screen | |
| CN217972797U (en) | Resin adsorption device | |
| CN217498886U (en) | Biological laboratory integration effluent treatment plant |
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 |
Application publication date: 20200811 |
|
| RJ01 | Rejection of invention patent application after publication |