CN215353985U - Filter residue collecting device of pickling waste liquid treatment equipment - Google Patents
Filter residue collecting device of pickling waste liquid treatment equipment Download PDFInfo
- Publication number
- CN215353985U CN215353985U CN202120169757.9U CN202120169757U CN215353985U CN 215353985 U CN215353985 U CN 215353985U CN 202120169757 U CN202120169757 U CN 202120169757U CN 215353985 U CN215353985 U CN 215353985U
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- Prior art keywords
- box
- fixedly connected
- filter screen
- waste liquid
- screen cylinder
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- 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.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 38
- 239000002699 waste material Substances 0.000 title claims abstract description 38
- 238000005554 pickling Methods 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 23
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 12
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 241001330002 Bambuseae Species 0.000 claims description 11
- 239000011425 bamboo Substances 0.000 claims description 11
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 8
- 238000000605 extraction Methods 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000004064 recycling Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 241000209128 Bambusa Species 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a filter residue collecting device of pickling waste liquid treatment equipment, which comprises a first box body and a second box body, wherein a clamping groove is formed in one side of the bottom of an inner cavity of the first box body, a fixing plate is movably connected to the inner cavity of the clamping groove, a first filter screen cylinder is fixedly connected to the top of the fixing plate, an installation box is fixedly connected to the upper end of the surface of the first filter screen cylinder, a through hole is formed in the top of the first filter screen cylinder, an installation plate is movably connected to the top of the installation box, and a magnetic force rod is fixedly connected to the bottom of the installation plate. The fixing plate is limited through the clamping groove, the iron residues in the pickling waste liquid are adsorbed through the matching of the first filter screen cylinder, the mounting box, the through hole and the magnetic rod, and the iron residues adsorbed on the surface of the first filter screen cylinder fall off through the extraction of the magnetic rod from the inner cavity of the first filter screen cylinder, so that the iron residues in the waste liquid can be conveniently collected.
Description
Technical Field
The utility model relates to the technical field of pickling waste liquid treatment equipment, in particular to a filter residue collecting device of pickling waste liquid treatment equipment.
Background
The pickling waste liquid is used for removing metal surface oxides, the waste liquid is generated when acid pickling treatment is carried out by adopting acids such as sulfuric acid, nitric acid, hydrochloric acid, hydrofluoric acid, phosphoric acid and the like, the waste liquid is mainly from steel plants or electroplating plants, the commonly adopted neutralizing agent comprises lime, dolomite and magnesium oxide and a retarding separation method, wherein when the pickling waste liquid is treated, metal residues in the waste liquid are more, the metal residues need to be properly treated, and generally when the metal residues are extracted and collected, the metal residues cannot be respectively collected, so that inconvenience is caused for subsequent recycling, and the use requirements of users cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a filter residue collecting device of pickling waste liquid treatment equipment, which has the advantage of convenience in respectively extracting residues and solves the problems that metal residues cannot be respectively collected, so that the subsequent recycling is inconvenient and the use requirements of users cannot be met.
In order to achieve the purpose, the utility model provides the following technical scheme: a filter residue collecting device of pickling waste liquid treatment equipment comprises a first box body and a second box body, wherein a clamping groove is formed in one side of the bottom of an inner cavity of the first box body, a fixing plate is movably connected to the inner cavity of the clamping groove, a first filter screen cylinder is fixedly connected to the top of the fixing plate, an installation box is fixedly connected to the upper end of the surface of the first filter screen cylinder, a through hole is formed in the top of the first filter screen cylinder, an installation plate is movably connected to the top of the installation box, a magnetic rod is fixedly connected to the bottom of the installation plate, a transmission pipe is communicated with the lower end of one side of the first box body, a second filter screen cylinder is fixedly connected to the inner cavity of the second box body through a support column, one end, far away from the first box body, of the transmission pipe penetrates through the second box body and extends to the inner cavity of the second box body and is communicated with the upper end of one side of the second filter screen cylinder, a motor is fixedly connected to the top of the second box body through a support frame, the output shaft fixedly connected with column spinner of motor, the bottom of column spinner runs through the second box and extends to the inner chamber of second filter screen section of thick bamboo, the equal fixedly connected with connecting rod in both sides that the column spinner is located second filter screen section of thick bamboo inner chamber end surface, the one end fixedly connected with brush of column spinner is kept away from to the connecting rod.
Preferably, the center department intercommunication of first box one side has the inlet tube, the surface of inlet tube is provided with the second valve, the fixed surface that first box one end was kept away from to the inlet tube is connected with the flange.
Preferably, the lower extreme intercommunication of second box one side has the outlet pipe, the bottom intercommunication of second filter screen section of thick bamboo has row material pipe, row material pipe's bottom runs through the second box and extends to the outside of second box, row material pipe is located the surface of the outside one end of second box and is provided with first valve.
Preferably, the front end and the equal fixedly connected with carrying handle in rear end at mounting panel top, the equal fixedly connected with fixed block in both sides of mounting panel, the bottom fixedly connected with stopper of fixed block, spacing hole has been seted up to one side of stopper.
Preferably, the equal fixedly connected with connecting block in both sides of install bin, the opening has been seted up at the top of connecting block, one side fixedly connected with fastener box of install bin is kept away from to the connecting block, the inner chamber sliding connection of fastener box has the spacer pin, the one end fixedly connected with that the spacer pin is located fastener box inner chamber surface promotes the piece, the surface cover that the spacer pin is located fastener box inner chamber one end is equipped with the spring, the one end of spring and one side fixed connection who promotes the piece, and the other end of spring and one side fixed connection of fastener box inner wall.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model is used for limiting the fixed plate through the clamping groove, is used for adsorbing iron residues in the pickling waste liquid through the matching of the first filter screen cylinder, the mounting box, the through hole and the magnetic rod, enables the iron residues adsorbed on the surface of the first filter screen cylinder to fall off through the extraction of the magnetic rod from the inner cavity of the first filter screen cylinder, thereby facilitating the collection of the iron residues in the waste liquid, is used for secondary filtration of the residues in the waste liquid through the second filter screen cylinder, drives the rotating column to rotate through the output shaft of the motor, drives the connecting rod and the hairbrush to rotate through the rotating column, and cleans the residues attached to the inner wall of the second filter screen cylinder through the hairbrush, thereby effectively filtering the residues in the waste liquid, simultaneously filtering and collecting the residues respectively, thereby having the advantage of facilitating the respective extraction of the residues, solving the problem that the respective collection of the metal residues cannot be carried out, thereby causing inconvenience for subsequent recycling and failing to meet the use requirements of users.
2. The device is provided with the water inlet pipe for conveying the pickling waste liquid to the inner cavity of the first box body, the flange for connecting the pipelines, the water outlet pipe for discharging the filtered water, the first valve for closing the discharge pipe to prevent the waste liquid from flowing out of the discharge pipe during filtering, and the fixing block, the limiting block, the connecting block, the opening, the clamping box, the limiting pin, the pushing block and the spring for connecting and fixing the installation box and the installation plate.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a mounting plate and a mounting box of the present invention;
fig. 3 is a schematic side sectional view of a connecting block and a cartridge of the utility model.
In the figure: 1. a first case; 2. a card slot; 3. a fixing plate; 4. a first filter screen cylinder; 5. installing a box; 6. a through hole; 7. a magnetic bar; 8. mounting a plate; 9. a conveying pipe; 10. a second case; 11. a second screen cylinder; 12. a motor; 13. a spin column; 14. a connecting rod; 15. a brush; 16. a water inlet pipe; 17. a flange; 18. a water outlet pipe; 19. a discharge pipe; 20. a first valve; 21. a fixed block; 22. a limiting block; 23. connecting blocks; 24. an opening; 25. a card member box; 26. a spacing pin; 27. a pushing block; 28. a spring; 29. a second valve.
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.
Referring to fig. 1-3, a residue collecting device of a pickling waste liquid treatment apparatus comprises a first box 1 and a second box 10, wherein one side of the bottom of an inner cavity of the first box 1 is provided with a clamping groove 2, the inner cavity of the clamping groove 2 is movably connected with a fixing plate 3, the top of the fixing plate 3 is fixedly connected with a first filter screen cylinder 4, the upper end of the surface of the first filter screen cylinder 4 is fixedly connected with an installation box 5, the top of the first filter screen cylinder 4 is provided with a through hole 6, the top of the installation box 5 is movably connected with an installation plate 8, the bottom of the installation plate 8 is fixedly connected with a magnetic bar 7, the lower end of one side of the first box 1 is communicated with a transmission pipe 9, the inner cavity of the second box 10 is fixedly connected with a second filter screen cylinder 11 through a support column, one end of the transmission pipe 9 far away from the first box 1 penetrates through the second box 10 and extends to the inner cavity of the second box 10 and is communicated with the upper end of one side of the second filter screen cylinder 11, the top of the second box body 10 is fixedly connected with a motor 12 through a support frame, an output shaft of the motor 12 is fixedly connected with a rotary column 13, the bottom of the rotary column 13 penetrates through the second box body 10 and extends to the inner cavity of the second filter screen cylinder 11, two sides of the rotary column 13, which are positioned at the surface of one end of the inner cavity of the second filter screen cylinder 11, are fixedly connected with connecting rods 14, one ends of the connecting rods 14, which are far away from the rotary column 13, are fixedly connected with brushes 15, which are used for limiting the fixed plate 3 through the clamping grooves 2, and are used for adsorbing iron residues in the pickling waste liquid through the matching of the first filter screen cylinder 4, the installation box 5, the through holes 6 and the magnetic rods 7, and are used for performing secondary filtration on the residues in the waste liquid through the second filter screen cylinder 11 by extracting the magnetic rods 7 from the inner cavity of the first filter screen cylinder 4, so that the iron residues adsorbed on the surface of the first filter screen cylinder 4 fall, the output shaft through motor 12 drives the column spinner 13 and rotates, column spinner 13 drives connecting rod 14 and brush 15 and rotates, and clear up the adnexed residue of second filter screen section of thick bamboo 11 inner wall through brush 15, thereby can effectually filter the residue in the waste liquid, can filter the collection to the residue respectively simultaneously, thereby possessed and be convenient for draw the advantage of residue respectively, solved and can not go on collecting respectively to the metal residue, thereby cause inconvenience for subsequent recycle, and can't satisfy user's user demand's problem.
In this embodiment, specifically, the center department intercommunication of first box 1 one side has inlet tube 16, and the surface of inlet tube 16 is provided with second valve 29, and inlet tube 16 keeps away from the fixed surface of first box 1 one end and is connected with flange 17, through setting up inlet tube 16 for transmit the pickling waste liquid to the inner chamber of first box 1, through setting up flange 17, be used for connecting the pipeline.
In this embodiment, it is concrete, the lower extreme intercommunication of second box 10 one side has outlet pipe 18, the bottom intercommunication of second filter screen section of thick bamboo 11 has row material pipe 19, row material pipe 19's bottom runs through second box 10 and extends to the outside of second box 10, row material pipe 19 is located the surface of the outside one end of second box 10 and is provided with first valve 20, through setting up outlet pipe 18, be used for discharging the water after the filtration, through setting up first valve 20, be used for closing row material pipe 19, avoid flowing out from row material pipe 19 when filtering the waste liquid.
In this embodiment, specifically, the front end at mounting panel 8 top and the equal fixedly connected with handle in rear end, the equal fixedly connected with fixed block 21 in both sides of mounting panel 8, the bottom fixedly connected with stopper 22 of fixed block 21, spacing hole has been seted up to one side of stopper 22.
In this embodiment, it is concrete, the equal fixedly connected with connecting block 23 in both sides of install bin 5, opening 24 has been seted up at the top of connecting block 23, connecting block 23 keeps away from one side fixedly connected with fastener box 25 of install bin 5, the inner chamber sliding connection of fastener box 25 has spacer pin 26, the one end fixedly connected with that spacer pin 26 is located fastener box 25 inner chamber surface promotes piece 27, the surface cover that spacer pin 26 is located fastener box 25 inner chamber one end is equipped with spring 28, spring 28's one end and the one side fixed connection who promotes piece 27, and spring 28's the other end and one side fixed connection of fastener box 25 inner wall, through setting up fixed block 21, stopper 22, connecting block 23, opening 24, fastener box 25, spacer pin 26, promote piece 27 and spring 28, be used for connecting fixedly to install bin 5 and mounting panel 8.
When the device is used, firstly, the fixing plate 3, the first filter screen cylinder 4 and the installation box 5 are placed into the inner cavity of the first box body 1, the fixing plate 3 and the clamping groove 2 are clamped, the first filter screen cylinder 4 is limited, at the moment, waste liquid is transmitted to the inner cavity of the first box body 1 through the water inlet pipe 16, when the waste liquid passes through the first filter screen cylinder 4, metal residues in the waste liquid are adsorbed and filtered through the magnetic force of the magnetic rod 7, the adsorbed residues can be attached to the surface of the first filter screen cylinder 4, then the fixing plate 3, the first filter screen cylinder 4 and the installation box 5 are taken out from the inner cavity of the first box body 1 through lifting, the limiting pin 26 is pulled outwards, one end of the limiting pin 26 is separated from the inner cavity of the limiting hole, at the moment, the installation plate 8 is lifted upwards through the lifting handle, the magnetic rod 7 is driven by the installation plate 8 to move upwards, the magnetic rod 7 is pulled away from the inner cavity of the through hole 6, thereby the residue adsorbed on the surface of the first filter screen cylinder 4 drops from the surface of the first filter screen cylinder 4, thereby being convenient for collecting the residue, after the collection is finished, the magnetic rod 7 is inserted into the inner cavity of the through hole 6 and the mounting box 5 and the mounting plate 8 are clamped, meanwhile, the limit pin 26 is pulled, the limit pin 26 drives the pushing block 27 to move outwards, the pushing block 27 drives the spring 28 to move, so that the spring 28 is stressed and deformed, at the moment, the mounting box 5 and the mounting plate 8 are closed, meanwhile, the limit block 22 is inserted into the inner cavity of the connecting block 23 through the opening 24, by loosening the limit pin 26, the reset elasticity of the spring 28 pushes the pushing block 27 to move, the pushing block 27 drives the limit pin 26 to move, one end of the limit pin 26 is inserted into the inner cavity of the limit hole, thereby the mounting box 5 and the mounting plate 8 are connected and fixed, and then the fixing plate 3, the first filter screen cylinder 4 and the mounting box 5 are put into the inner cavity of the first box 1, so the circulation is reciprocal, the waste liquid through first filtration flows in to the inner chamber of second filter screen section of thick bamboo 11 through transmission pipe 9, and carry out the secondary filter through the residue of second filter screen section of thick bamboo 11 in to the waste liquid, the waste liquid after the filtration passes through outlet pipe 18 and discharges, filter the back when the waste liquid and finish and pass through control switch starter motor 12, motor 12's output shaft drives column spinner 13, column spinner 13 drives connecting rod 14 and rotates, connecting rod 14 drives brush 15 and rotates, with this to carrying out the clearance to the residue of attaching to 11 inner walls of second filter screen section of thick bamboos, the residue after the clearance drops to the bottom of second filter screen section of thick bamboo 11 inner chambers and discharges through row material pipe 19, and collect the residue can.
The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means of mature bolt, rivet, welding and the like in the prior art, the machines, parts and equipment adopt the conventional models in the prior art, the control mode is automatically controlled by a controller, the control circuit of the controller can be realized by simple programming of technicians in the field, the control circuit belongs to the common knowledge in the field, and the present application document is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the present application.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a pickling waste liquid treatment facility's filter residue collection device, includes first box (1) and second box (10), its characterized in that: the device comprises a first box body (1), a clamping groove (2) is formed in one side of the bottom of an inner cavity of the first box body (1), a fixing plate (3) is movably connected to the inner cavity of the clamping groove (2), a first filter screen cylinder (4) is fixedly connected to the top of the fixing plate (3), an installation box (5) is fixedly connected to the upper end of the surface of the first filter screen cylinder (4), a through hole (6) is formed in the top of the first filter screen cylinder (4), an installation plate (8) is movably connected to the top of the installation box (5), a magnetic bar (7) is fixedly connected to the bottom of the installation plate (8), a transmission pipe (9) is communicated with the lower end of one side of the first box body (1), the inner cavity of the second box body (10) is fixedly connected with a second filter screen cylinder (11) through a support column, one end, far away from the first box body (1), of the transmission pipe (9) penetrates through the second box body (10) and extends to the inner cavity of the second box body (10) and is communicated with the upper end of one side of the second filter screen cylinder (11), support frame fixedly connected with motor (12) is passed through at the top of second box (10), the output shaft fixedly connected with column spinner (13) of motor (12), the inner chamber that second box (10) and extended to second filter screen section of thick bamboo (11) is run through to the bottom of column spinner (13), equal fixedly connected with connecting rod (14) in both sides that column spinner (13) are located second filter screen section of thick bamboo (11) inner chamber one end surface, the one end fixedly connected with brush (15) of column spinner (13) are kept away from in connecting rod (14).
2. The residue collecting device of a pickling waste liquid treatment facility according to claim 1, characterized in that: the center department intercommunication of first box (1) one side has inlet tube (16), the surface of inlet tube (16) is provided with second valve (29), the fixed surface that first box (1) one end was kept away from in inlet tube (16) is connected with flange (17).
3. The residue collecting device of a pickling waste liquid treatment facility according to claim 1, characterized in that: the lower extreme intercommunication of second box (10) one side has outlet pipe (18), the bottom intercommunication of second filter screen section of thick bamboo (11) has row material pipe (19), arrange the outside that second box (10) are run through and extend to second box (10) in the bottom of material pipe (19), it is provided with first valve (20) to arrange the surface that material pipe (19) are located the outside one end of second box (10).
4. The residue collecting device of a pickling waste liquid treatment facility according to claim 1, characterized in that: the utility model discloses a mounting panel, including mounting panel (8), the equal fixedly connected with carrying handle in front end and the rear end at mounting panel (8) top, the equal fixedly connected with fixed block (21) in both sides of mounting panel (8), the bottom fixedly connected with stopper (22) of fixed block (21), spacing hole has been seted up to one side of stopper (22).
5. The residue collecting device of a pickling waste liquid treatment facility according to claim 1, characterized in that: the equal fixedly connected with connecting block (23) in both sides of install bin (5), opening (24) have been seted up at the top of connecting block (23), one side fixedly connected with fastener box (25) of install bin (5) are kept away from in connecting block (23), the inner chamber sliding connection of fastener box (25) has spacer pin (26), one end fixedly connected with that spacer pin (26) are located fastener box (25) inner chamber surface promotes piece (27), the surperficial cover that spacer pin (26) are located fastener box (25) inner chamber one end is equipped with spring (28), one end of spring (28) and the one side fixed connection who promotes piece (27), and one side fixed connection of the other end of spring (28) and fastener box (25) inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120169757.9U CN215353985U (en) | 2021-01-21 | 2021-01-21 | Filter residue collecting device of pickling waste liquid treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120169757.9U CN215353985U (en) | 2021-01-21 | 2021-01-21 | Filter residue collecting device of pickling waste liquid treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215353985U true CN215353985U (en) | 2021-12-31 |
Family
ID=79621451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120169757.9U Expired - Fee Related CN215353985U (en) | 2021-01-21 | 2021-01-21 | Filter residue collecting device of pickling waste liquid treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215353985U (en) |
-
2021
- 2021-01-21 CN CN202120169757.9U patent/CN215353985U/en not_active Expired - Fee Related
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Granted publication date: 20211231 |