CN210057573U - PCB inlayer printing ink waste liquid treatment device - Google Patents
PCB inlayer printing ink waste liquid treatment device Download PDFInfo
- Publication number
- CN210057573U CN210057573U CN201920570203.2U CN201920570203U CN210057573U CN 210057573 U CN210057573 U CN 210057573U CN 201920570203 U CN201920570203 U CN 201920570203U CN 210057573 U CN210057573 U CN 210057573U
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- Prior art keywords
- sliding
- groove
- waste liquid
- screw rod
- reciprocating screw
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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
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- 239000007788 liquid Substances 0.000 title claims abstract description 38
- 239000002699 waste material Substances 0.000 title claims abstract description 28
- 238000003916 acid precipitation Methods 0.000 claims description 23
- 230000020477 pH reduction Effects 0.000 claims description 5
- 239000003973 paint Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 239000002253 acid Substances 0.000 abstract description 15
- 238000000926 separation method Methods 0.000 abstract description 12
- 239000013049 sediment Substances 0.000 abstract description 3
- 229940037003 alum Drugs 0.000 description 21
- 239000002351 wastewater Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 239000000701 coagulant Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model relates to a waste liquid treatment device technical field, and a PCB inlayer printing ink waste liquid treatment device is disclosed, including acid out the pond, symmetry fixedly connected with backup pad on the bottom lateral wall in acid out the pond, and acid out the bottom center department in pond and seted up out the liquid hole, first spout has been seted up on the vertical inside wall in one side in acid out the pond, the inner chamber has been seted up in the backup pad under being located first spout, sliding connection has first slider in the first spout, first screw has been seted up on the first slider, first screw female connection has first reciprocal lead screw, first reciprocal lead screw is connected with acid out the pond rotation through two first bearings, and two first bearings are all fixed to be established in acid out the pond, the lower extreme of first reciprocal lead screw runs through acid out the pond and extends to the inner chamber. The utility model discloses let the user have a buffer time of closing the motor when being convenient for upper waste liquid and alumen ustum gel separation, being convenient for take out the alumen ustum gel of sediment, and then improved waste liquid treatment's efficiency.
Description
Technical Field
The utility model relates to a waste liquid treatment device technical field especially relates to a PCB inlayer printing ink waste liquid treatment device.
Background
The acidification-coagulation method is the most common treatment process for treating PCB inner layer printing ink wastewater at present, the process generally pumps the wastewater into an acidification tank by a pump, a pH automatic control instrument is arranged in the acidification tank, the acid addition amount is controlled by the pH instrument, the pH in the acidification tank is controlled to be 2-3, a photosensitive film in the printing ink wastewater can be separated into thick gelatinous coagulants under the acidic condition, the specific gravity of the coagulants is easier to separate than that of water, the wastewater after acidification and deslagging enters a neutralization reaction tank, the pH is adjusted to be alkaline (the pH value is 8.5-9.0), a PAC coagulant and a PAM coagulant are added under the condition, the wastewater is subjected to coagulation reaction under the stirring action to form a large amount of alum flocs, and then the alum flocs are precipitated and separated.
In the above operation steps, when separation is performed, the wastewater treated in the upper layer needs to be firstly pumped out, and then the alum blossom gel precipitated at the bottom is taken out, so that the separation of the upper layer wastewater and the alum blossom gel precipitated at the bottom is not convenient at first, and meanwhile, the operation of taking out the alum blossom gel from the bottom is also inconvenient, and further the efficiency of waste liquid treatment is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem of low treatment efficiency of the existing waste liquid in the prior art and providing a PCB inner layer printing ink waste liquid treatment device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a PCB inner layer printing ink waste liquid treatment device comprises an acid precipitation tank, wherein a support plate is symmetrically and fixedly connected to the outer side wall of the bottom of the acid precipitation tank, a liquid outlet hole is formed in the center of the bottom of the acid precipitation tank, a first sliding groove is formed in the vertical inner side wall of one side of the acid precipitation tank, an inner cavity is formed in the support plate located under the first sliding groove, a first sliding block is connected in the first sliding groove in a sliding mode, a first screw hole is formed in the first sliding block, a first reciprocating screw rod is connected in the first screw hole in a threaded mode, the first reciprocating screw rod is rotatably connected with the acid precipitation tank through two first bearings, the two first bearings are fixedly arranged in the acid precipitation tank, the lower end of the first reciprocating screw rod penetrates through the acid precipitation tank and extends into the inner cavity and is fixedly connected with a first bevel gear, a T-shaped sliding groove is formed in the outer side wall of the bottom of the acid precipitation tank, which is close to, the lower end of the T-shaped sliding block penetrates through a notch of the T-shaped sliding groove and extends outwards, a valve plate is fixedly connected with the lower end of the T-shaped sliding block, the top of the valve plate is abutted against the liquid outlet hole, a second screw hole is formed in the valve plate, a motor is mounted on the side wall, away from the valve plate, of the supporting plate under the first sliding groove, the output end of the motor is connected with a second reciprocating screw rod through a coupling, the other end of the second reciprocating screw rod penetrates through the supporting plate and extends into the second screw hole, the second reciprocating screw rod is in threaded connection with the valve plate through the second screw hole, the second reciprocating screw rod is in rotary connection with the supporting plate through two second bearings, the second bearings are fixedly arranged in the supporting plate, a second bevel gear meshed with the first bevel gear is fixedly sleeved on the rod wall of the second reciprocating screw rod in the inner cavity, and a second sliding, sliding connection has the second slider in the second spout, the one end that the second slider is close to first spout passes the notch of second spout and extends outward, common fixedly connected with section of thick bamboo that goes up and down between first slider and the second slider, and the bottom fixedly connected with filter screen of a section of thick bamboo that goes up and down.
Preferably, all install miniature loudspeaker on the cell wall that first spout is relative, and miniature loudspeaker establish the one side of keeping away from the second slider at first reciprocal lead screw, first slider has been close to the symmetry on the lateral wall of carrying on the back of the body of first spout tank bottom and has been seted up and has been pushed away the groove, the tank bottom fixedly connected with spring that pushes away the groove, the other end fixedly connected with push rod of spring, the one end that the spring was kept away from to the push rod passes the notch that pushes away the groove and outwards extends.
Preferably, a sliding hole is formed in the second sliding block, a sliding rod is connected in the sliding hole in a sliding mode, and two ends of the sliding rod are fixedly connected with the groove wall of the second sliding groove.
Preferably, the acid precipitation tank is coated with antirust paint.
Preferably, a ball groove is formed in the top of the T-shaped sliding block, a ball is connected to the ball groove in a rolling mode, the upper end of the ball penetrates through a notch of the ball groove and extends upwards, and the upper end of the ball abuts against the groove bottom of the T-shaped sliding groove.
Preferably, a third sliding groove is symmetrically formed in the opposite groove wall of the push groove, a third sliding block is connected to the third sliding groove in a sliding mode, the opposite ends of the two third sliding blocks penetrate through the groove openings corresponding to the third sliding grooves and extend outwards, and the third sliding blocks are fixedly connected to the push rod.
Compared with the prior art, the utility model provides a PCB inlayer printing ink waste liquid processing apparatus possesses following beneficial effect:
1. the PCB inner layer printing ink waste liquid treatment device is characterized in that a motor, a first reciprocating screw rod, a second reciprocating screw rod, a first bevel gear, a second bevel gear, a first sliding groove, a first sliding block, a second sliding block, a first screw hole, a second screw hole, a valve plate, a T-shaped sliding groove and a T-shaped sliding block are arranged, when alum floc is required to be separated from treated waste water, the motor is started to drive the second reciprocating screw rod to rotate, the second reciprocating screw rod is in threaded connection with the valve plate through the second screw hole, the T-shaped sliding groove is matched with the T-shaped sliding block to limit the valve plate not to rotate along with the rotation of the second reciprocating screw rod, the valve plate is driven to move towards the direction close to the motor, the treated waste water flows out through a liquid outlet, the alum floc is convenient to be separated from the upper layer waste water, meanwhile, the second reciprocating screw rod drives the second bevel gear to rotate, and the first, and then drive first reciprocal lead screw rotatory, drive first slider and slide in first spout, and then drive a lift section of thick bamboo and rise for the filter screen rises, pushes out the alum blossom gel that the bottom precipitated to the top of acid-out pond, and it is more simple and convenient to take out the alum blossom gel from the top, and the alum blossom gel that takes out the sediment when upper waste liquid and alum blossom gel separation of being convenient for is more simple and convenient.
2. This PCB inlayer printing ink waste liquid treatment device pushes away the groove through the setting, a spring, push rod and miniature loudspeaker, a section of thick bamboo drives the in-process that the filter screen ascended and descends, when the filter screen upward movement just was close to the top, the switch of miniature loudspeaker is touched to the push rod, open miniature loudspeaker, remind the user to close the motor, simultaneously because the slow support of push rod pushes away in the groove, let the user have abundant time to close the motor in advance, the operation of filter screen downstream is the same, let the user have a buffer time who closes the motor.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses let the user have a buffer time of closing the motor when being convenient for upper waste liquid and alum blossom gel separation, being convenient for take out the alum blossom gel of sediment, and then improved waste liquid treatment's efficiency.
Drawings
Fig. 1 is a schematic structural view of a PCB inner layer ink waste liquid treatment device provided by the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
fig. 4 is an enlarged view of a portion C in fig. 1.
In the figure: 1 acid precipitation pool, 2 support plate, 3 first slide groove, 4 inner cavities, 5 first slide block, 6 first screw hole, 7 first reciprocating screw rod, 8 first bevel gear, 9T type slide groove, 10T type slide block, 11 valve plate, 12 second screw hole, 13 motor, 14 second reciprocating screw rod, 15 second bevel gear, 16 second slide groove, 17 second slide block, 18 lifting cylinder, 19 filter screen, 20 micro-speaker, 21 push groove, 22 spring, 23 push rod, 24 slide hole, 25 slide rod, 26 ball groove, 27 ball, 28 third slide groove and 29 third slide block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-4, a PCB inner layer printing ink waste liquid treatment device comprises an acid separation tank 1, wherein a support plate 2 is symmetrically and fixedly connected to the outer side wall of the bottom of the acid separation tank 1, a liquid outlet hole is formed in the center of the bottom of the acid separation tank 1, a first sliding groove 3 is formed in the vertical inner side wall of one side of the acid separation tank 1, an inner cavity 4 is formed in the support plate 2 under the first sliding groove 3, a first sliding block 5 is connected in the first sliding groove 3 in a sliding manner, a first screw hole 6 is formed in the first sliding block 5, a first reciprocating screw rod 7 is connected in the first screw hole 6 in a threaded manner, the first reciprocating screw rod 7 is rotatably connected with the acid separation tank 1 through two first bearings, the two first bearings are both fixedly arranged in the acid separation tank 1, the lower end of the first reciprocating screw rod 7 penetrates through the acid separation tank 1 and extends into the inner cavity 4, a first bevel gear 8 is fixedly connected, a T-shaped sliding groove 9 is formed, a T-shaped sliding block 10 is connected in the T-shaped sliding groove 9 in a sliding manner, the lower end of the T-shaped sliding block 10 penetrates through a notch of the T-shaped sliding groove 9 and extends outwards, a valve plate 11 is fixedly connected, the top of the valve plate 11 is abutted against a liquid outlet hole, a second screw hole 12 is formed in the valve plate 11, a motor 13 is installed on the side wall, away from the valve plate 11, of the support plate 2 which is positioned right below the first sliding groove 3, the output end of the motor 13 is connected with a second reciprocating screw rod 14 through a coupler, the other end of the second reciprocating screw rod 14 penetrates through the support plate 2 and extends into the second screw hole 12, the second reciprocating screw rod 14 is in threaded connection with the valve plate 11 through the second screw hole 12, the second reciprocating screw rod 14 is in rotary connection with the support plate 2 through two second bearings, the second bearings are fixedly arranged in the support plate 2, a second bevel gear 15 which is meshed, a second chute 16 is arranged on the inner side wall of the acid precipitation tank 1 far away from the first chute 3, a second slide block 17 is connected in the second chute 16 in a sliding way, one end of the second slide block 17 close to the first chute 3 passes through the notch of the second chute 16 and extends outwards, a lifting cylinder 18 is fixedly connected between the first slide block 5 and the second slide block 17 together, and a filter screen 19 is fixedly connected at the bottom of the lifting cylinder 18, when the alum floc is required to be separated from the treated wastewater, a motor 13 is started to drive a second reciprocating screw rod 14 to rotate, because the second reciprocating screw rod 14 is in threaded connection with a valve plate 11 through a second screw hole 12, and the T-shaped chute 9 is matched with a T-shaped slide block 10 to limit the valve plate 11 not to rotate along with the rotation of the second reciprocating screw rod 14, so as to drive the valve plate 11 to move towards the direction close to the motor 13, and the treated wastewater flows out through a liquid outlet hole, thereby facilitating, simultaneously, the second bevel gear 5 is driven to rotate by the rotation of the second reciprocating screw rod 14, the first bevel gear 8 is driven to rotate by the second bevel gear 5, the first reciprocating screw rod 7 is driven to rotate, the first sliding block 5 is driven to slide in the first sliding groove 3, the lifting cylinder 18 is driven to ascend, the filter screen 19 ascends, the alum blossom gel precipitated at the bottom is pushed out to the top of the acid precipitation tank 1, the alum blossom gel is more conveniently taken out from the top, and the precipitated alum blossom gel is more conveniently taken out while the upper-layer waste liquid is separated from the alum blossom gel.
The opposite groove walls of the first sliding groove 3 are all provided with a micro-speaker 20, the micro-speaker 20 is arranged on one side of the first reciprocating screw rod 7 far away from the second sliding block 17, the opposite side walls of the first sliding block 5 close to the groove bottom of the first sliding groove 3 are symmetrically provided with push grooves 21, the groove bottom of the push grooves 21 is fixedly connected with a spring 22, the other end of the spring 22 is fixedly connected with a push rod 23, one end of the push rod 23 far away from the spring 22 penetrates through the notch of the push groove 21 and extends outwards, and the lifting cylinder 18 drives the filter screen 19 to ascend and descend, when the filter screen 19 moves upwards and approaches the top, the push rod 23 touches the switch of the micro-speaker 20, the micro-speaker 20 is turned on, the user is reminded to turn off the motor 13, meanwhile, the push rod 23 slowly pushes into the push groove 21, so that the user has enough time to turn off the motor 13 in advance, and the downward movement of the filter screen 19 also has the same operation as the motor turning off buffering time.
The second sliding block 17 is provided with a sliding hole 24, a sliding rod 25 is slidably connected in the sliding hole 24, and two ends of the sliding rod 25 are fixedly connected with the groove wall of the second sliding groove 16, so that the second sliding block 17 is prevented from lifting more stably under the condition that the second clamping block 17 is separated from the second sliding groove 16.
The acid precipitation tank 1 is coated with antirust paint to prevent the acid precipitation tank 1 from rusting.
The ball groove 26 has been seted up at the top of T type slider 10, and roll in the ball groove 26 and be connected with ball 27, and the notch of ball groove 26 is passed and upwards extends in the upper end of ball 27, and offsets with the tank bottom of T type spout 9, makes the gliding more swift of T type slider 10.
In the utility model, when the alum floc is required to be separated from the treated wastewater, the motor 13 is started to drive the second reciprocating screw rod 14 to rotate, because the second reciprocating screw rod 14 is in threaded connection with the valve plate 11 through the second screw hole 12, and meanwhile, the T-shaped chute 9 is matched with the T-shaped slider 10 to limit the valve plate 11 not to rotate along with the rotation of the second reciprocating screw rod 14, and further drive the valve plate 11 to move towards the direction close to the motor 13, and further the treated wastewater flows out through the liquid outlet hole, so that the alum floc is convenient to be separated from the upper wastewater, and simultaneously, the second reciprocating screw rod 14 rotates to drive the second bevel gear 5 to rotate, the second bevel gear 5 drives the first bevel gear 8 to rotate, and further drive the first reciprocating screw rod 7 to rotate, and drive the first slider 5 to slide in the first chute 3, and further drive the lifting cylinder 18 to rise, so that the filter screen 19 rises, and the alum floc precipitated at the bottom is pushed, the alumen ustum gel is more convenient to take out from the top, so that the precipitated alumen ustum gel is more convenient to take out while the upper-layer waste liquid is convenient to separate from the alumen ustum gel; in the process that the lifting cylinder 18 drives the filter screen 19 to ascend and descend, when the filter screen 19 moves upwards and is close to the top, the push rod 23 touches the switch of the micro-speaker 20, the micro-speaker 20 is started, a user is reminded to close the motor 13, meanwhile, the motor 13 is closed in advance by the slow pushing of the push rod 23, the user has sufficient time, the filter screen 19 moves downwards, and the user has buffering time for closing the motor.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (6)
1. A PCB inner layer printing ink waste liquid treatment device comprises an acid precipitation tank (1) and is characterized in that a supporting plate (2) is symmetrically and fixedly connected to the outer side wall of the bottom of the acid precipitation tank (1), a liquid outlet hole is formed in the center of the bottom of the acid precipitation tank (1), a first sliding groove (3) is formed in the vertical inner side wall of one side of the acid precipitation tank (1), an inner cavity (4) is formed in the supporting plate (2) under the first sliding groove (3), a first sliding block (5) is connected in the first sliding groove (3) in a sliding mode, a first screw hole (6) is formed in the first sliding block (5), a first reciprocating screw rod (7) is connected in a threaded mode in the first screw hole (6), the first reciprocating screw rod (7) is rotatably connected with the acid precipitation tank (1) through two first bearings, and the two first bearings are both fixedly arranged in the acid precipitation tank (1), the lower end of the first reciprocating screw rod (7) penetrates through the acid precipitation tank (1) and extends into the inner cavity (4), and is fixedly connected with a first bevel gear (8), the outer side wall of the bottom, close to the inner cavity (4), of the acid precipitation tank (1) is provided with a T-shaped sliding groove (9), a T-shaped sliding block (10) is connected in the T-shaped sliding groove (9) in a sliding manner, the lower end of the T-shaped sliding block (10) penetrates through a notch of the T-shaped sliding groove (9) and extends outwards, a valve plate (11) is fixedly connected, the top of the valve plate (11) is abutted against the liquid outlet hole, a second screw hole (12) is formed in the valve plate (11), a motor (13) is installed on the side wall, far away from the valve plate (11), of the support plate (2) under the first sliding groove (3), the output end of the motor (13) is connected with a second reciprocating screw rod (14) through a coupler, and the other end of the second reciprocating screw rod (, the second reciprocating screw rod (14) is in threaded connection with the valve plate (11) through a second screw hole (12), the second reciprocating screw rod (14) is rotationally connected with the supporting plate (2) through two second bearings, a second bearing is fixedly arranged in the supporting plate (2), a second bevel gear (15) meshed with the first bevel gear (8) is fixedly sleeved on the rod wall of a second reciprocating screw rod (14) positioned in the inner cavity (4), a second chute (16) is arranged on the inner side wall of the acid precipitation tank (1) far away from the first chute (3), a second sliding block (17) is connected in the second sliding chute (16) in a sliding way, one end of the second sliding block (17) close to the first sliding chute (3) passes through the notch of the second sliding chute (16) and extends outwards, a lifting cylinder (18) is fixedly connected between the first sliding block (5) and the second sliding block (17) together, and a filter screen (19) is fixedly connected to the bottom of the lifting cylinder (18).
2. The PCB inner layer ink waste liquid treatment device according to claim 1, wherein the micro-speakers (20) are mounted on opposite groove walls of the first sliding groove (3), the micro-speakers (20) are arranged on one side of the first reciprocating screw rod (7) away from the second slider (17), push grooves (21) are symmetrically formed in opposite side walls of the first slider (5) close to the bottom of the first sliding groove (3), a spring (22) is fixedly connected to the bottom of the push grooves (21), a push rod (23) is fixedly connected to the other end of the spring (22), and one end of the push rod (23), away from the spring (22), penetrates through a notch of the push grooves (21) and extends outwards.
3. The PCB inner layer ink waste liquid treatment device as claimed in claim 1, wherein the second sliding block (17) is provided with a sliding hole (24), a sliding rod (25) is connected in the sliding hole (24) in a sliding manner, and two ends of the sliding rod (25) are fixedly connected with the groove wall of the second sliding groove (16).
4. The PCB inner layer printing ink waste liquid treatment device is characterized in that the acidification tank (1) is coated with antirust paint.
5. The PCB inner layer ink waste liquid treatment device is characterized in that a ball groove (26) is formed in the top of the T-shaped sliding block (10), a ball (27) is connected in the ball groove (26) in a rolling mode, and the upper end of the ball (27) penetrates through the notch of the ball groove (26), extends upwards and abuts against the bottom of the T-shaped sliding groove (9).
6. The PCB inner layer ink waste liquid treatment device as claimed in claim 2, wherein the opposite groove walls of the push groove (21) are symmetrically provided with third sliding grooves (28), the third sliding grooves (28) are connected with third sliding blocks (29) in a sliding manner, and opposite ends of the two third sliding blocks (29) respectively penetrate through the notches of the corresponding third sliding grooves (28) and extend outwards and are fixedly connected to the push rod (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920570203.2U CN210057573U (en) | 2019-04-25 | 2019-04-25 | PCB inlayer printing ink waste liquid treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920570203.2U CN210057573U (en) | 2019-04-25 | 2019-04-25 | PCB inlayer printing ink waste liquid treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210057573U true CN210057573U (en) | 2020-02-14 |
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ID=69448795
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920570203.2U Expired - Fee Related CN210057573U (en) | 2019-04-25 | 2019-04-25 | PCB inlayer printing ink waste liquid treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210057573U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112571124A (en) * | 2020-11-23 | 2021-03-30 | 温州樱西机械科技有限公司 | High-efficient automatic rotatory hydraulic pressure foundry goods processingequipment |
| CN115057510A (en) * | 2022-06-19 | 2022-09-16 | 中石化石油工程技术服务有限公司 | Process and device for reducing drilling wastewater treatment cost |
-
2019
- 2019-04-25 CN CN201920570203.2U patent/CN210057573U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112571124A (en) * | 2020-11-23 | 2021-03-30 | 温州樱西机械科技有限公司 | High-efficient automatic rotatory hydraulic pressure foundry goods processingequipment |
| CN115057510A (en) * | 2022-06-19 | 2022-09-16 | 中石化石油工程技术服务有限公司 | Process and device for reducing drilling wastewater treatment cost |
| CN115057510B (en) * | 2022-06-19 | 2024-05-21 | 中石化石油工程技术服务有限公司 | Process and device for reducing drilling and production wastewater treatment cost |
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