CN214735082U - Oil-water separator for machining wastewater treatment - Google Patents
Oil-water separator for machining wastewater treatment Download PDFInfo
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- CN214735082U CN214735082U CN202120148832.3U CN202120148832U CN214735082U CN 214735082 U CN214735082 U CN 214735082U CN 202120148832 U CN202120148832 U CN 202120148832U CN 214735082 U CN214735082 U CN 214735082U
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- Prior art keywords
- cavity
- oil
- water
- pipe
- shell
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 238000003754 machining Methods 0.000 title claims abstract description 16
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 238000007667 floating Methods 0.000 claims abstract description 27
- 239000003129 oil well Substances 0.000 claims abstract description 17
- 229940037003 alum Drugs 0.000 claims abstract description 11
- 238000007711 solidification Methods 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 claims description 32
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 27
- 238000004659 sterilization and disinfection Methods 0.000 claims description 25
- 238000001179 sorption measurement Methods 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 238000005086 pumping Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 230000001954 sterilising effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000004519 grease Substances 0.000 abstract description 20
- 239000002351 wastewater Substances 0.000 abstract description 15
- 239000012535 impurity Substances 0.000 abstract description 7
- 235000013547 stew Nutrition 0.000 abstract description 3
- 230000008023 solidification Effects 0.000 abstract 1
- 238000013517 stratification Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 8
- 230000000249 desinfective effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 230000010100 anticoagulation Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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- Water Treatment By Sorption (AREA)
- Physical Water Treatments (AREA)
Abstract
An oil-water separator for machining wastewater treatment comprises a base, a shell, a water inlet pipe, a standing layering cavity, a floating plate, a water drain pipe, an oil well pump and a heating cavity, wherein a support column is arranged on the base, and one end of the support column, which is far away from the base, is connected with the shell; the density of the floating plate is between that of oil and water; the bottom of the floating plate is provided with a waterproof rubber ring, and the diameter of the waterproof rubber ring is larger than that of the drain pipe; the bottom of the standing layering cavity is connected with a drain pipe; this device simple structure is easy and simple to handle, can effectually distinguish the oil-water stratification height through floating the board, thereby remain upper grease inside the filter chamber that stews, can effectually isolate upper grease through the oil-well pump, can effectually get rid of the moisture that contains in the grease through the heating cavity, make the grease of isolating purify more, it can be convenient for the grease to empty to contain in the oil storage tank to prevent the solidification equipment, lower floor's waste water part can be with alum intensive mixing through mixing the cavity, effectual messenger's water-soluble impurity deposits.
Description
Technical Field
The utility model relates to an oil water separator technical field especially relates to an oil water separator for machining waste water treatment.
Background
The mechanical processing can generate a lot of oily wastewater, oil floats on the surface of the water body, oxygen in the air is prevented from being dissolved in the water, so that the dissolved oxygen in the water body is deficient, aquatic organisms die, the light and effect of aquatic plants are hindered, even the water quality becomes odorous, the ecological balance of the water body is damaged, and the utilization value of water resources is damaged. Therefore, the oily wastewater can be discharged or recycled after being properly treated, and with the rapid development of social economy, the discharge amount of the oily wastewater is continuously increased, and the threat to the environment is increased more and more. Therefore, the treatment of the oily wastewater is an essential important part for protecting water resources, preventing and treating water pollution and improving water environment. Traditional waste water oil water separator, each waste water treatment pond all separates each other, and area is big, and the processing procedure is too coarse moreover, only through steps such as filtration of stewing, or uses the membrane in a large number and handles, and is with high costs, and most machining waste water treatment's oil water separator exists on the market at present, and separation efficiency is not high, can't be to grease purification and waste water discharge not up to standard scheduling problem.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
In order to solve the technical problems existing in the background technology, the utility model provides an oil-water separator for machining wastewater treatment, the utility model has simple structure and simple operation, the oil-water layer height can be effectively distinguished through the floating plate, thereby the upper layer grease is kept in the standing filtering cavity, the upper layer grease can be effectively separated through the oil pump, the moisture contained in the grease can be effectively removed through the heating cavity, the separated grease is more purified, the grease can be conveniently poured through the anti-solidification device contained in the oil storage tank, the lower layer wastewater part can be fully mixed with alum through the mixing cavity, the water-soluble impurities can be effectively precipitated, the impurities can be effectively intercepted in the filtering cavity through the filter screen and the adsorption piece, the filtered liquid can enter the disinfecting cavity through the water pump, the toxic and harmful substances contained in the liquid can be effectively reduced through the disinfecting lamp and the active carbon structure, so that the liquid reaches the discharge standard.
(II) technical scheme
The utility model provides an oil-water separator for machining wastewater treatment, which comprises a base, a shell, a water inlet pipe, a standing layering cavity, a floating plate, a drain pipe, an oil well pump, a heating cavity, a heating pipe, a mixing cavity, a mixing device, an alum tank, a filtering cavity, a lifting device, an adsorption piece, a filter screen, a water pump, an oil storage tank, a shower head, a disinfection lamp, a disinfection cavity, active carbon and a water storage tank;
a support column is arranged on the base, and one end of the support column, which is far away from the base, is connected with the shell; the top of the shell is connected with a water inlet pipe; the water inlet pipe is connected with the shell; the interior of the shell is connected with the standing layering cavity; the interior of the standing layering cavity is in sliding connection with the floating plate; the density of the floating plate is between that of oil and water; the bottom of the floating plate is provided with a waterproof rubber ring, and the diameter of the waterproof rubber ring is larger than that of the drain pipe; the bottom of the standing layering cavity is connected with a drain pipe; the floating plate is positioned right above the drain pipe; the side surface of the outer wall of the standing layering cavity is connected with an oil well pump; an oil pumping pipe is arranged on the oil well pump and is connected with the standing layering cavity; the oil pumping pipe extends into the bottom of the standing layering cavity; an oil feeding pipe is arranged on the oil well pump and is connected with the heating cavity; the interior of the heating cavity is connected with the heating pipe; a steam pipe is arranged on the heating cavity; a temperature sensor is arranged at the joint of the steam pipe and the heating cavity; the bottom of the heating cavity is connected with the oil storage tank through a connecting pipe; the oil storage tank is connected with the shell; an anti-solidification device is arranged inside the oil storage tank; one end of the drain pipe, which is far away from the standing layering cavity, is connected with the mixing cavity; the interior of the mixing cavity is rotationally connected with the mixing device; the mixing cavity is connected with the bottom of the inner wall of the shell; the side surface of the mixing cavity is connected with the alum tank through a connecting pipe, and a valve is arranged on the connecting pipe; the side surface of the mixing cavity is connected with the filtering cavity through a connecting pipe; the filtering cavity is connected with the shell; the top of the filtering cavity is connected with a lifting device; the lifting device is connected with the adsorption piece; the interior of the filtering cavity is connected with the filtering net; one side of the filter screen, which is far away from the adsorption part, is connected with the water pump through a connecting pipe; one end of the water pump, which is far away from the filtering cavity, is connected with the disinfecting cavity; the disinfection cavity is connected with the shell; the water pump is connected with the shower head through a connecting pipe; the top of the disinfection cavity is connected with a disinfection lamp; the inside of the disinfection cavity is connected with active carbon; the activated carbon is arranged on the side surface of the shower head; a water quality sensor is arranged at the bottom of the active carbon; the disinfection cavity is connected with the water storage tank through a connecting pipe; the water storage tank is connected with the shell.
Preferably, the floating plate is provided with a sliding connecting rod, the sliding connecting rod is provided with a sliding block, the standing layering cavity is provided with a sliding rail, and the sliding block is in sliding connection with the sliding rail.
Preferably, mixing arrangement includes motor, axis of rotation, belt pulley, belt and flabellum, and the motor is connected bottom the casing, and the motor output end is connected with the belt pulley, and the belt pulley passes through the belt to be connected with the axis of rotation transmission, and the axis of rotation is connected with mixing the cavity top rotation, and the axis of rotation is connected with the flabellum.
Preferably, elevating gear includes motor, carousel, rotates connecting piece and slide bar, is equipped with supporting platform on the motor, and supporting platform is connected with filtering the cavity, and the motor output end is connected with the carousel, and the carousel rotates with the rotation connecting rod to be connected, rotates the connecting rod and rotates with the slide bar to be connected, slide bar and filtering cavity sliding connection, the slide bar with adsorb the piece and be connected.
Preferably, the activated carbon is provided with a through hole, the water pump is provided with a connecting pipe, and the connecting pipe penetrates through the through hole.
Preferably, a rubber sealing ring is arranged at the joint of the mixing cavity and the connecting pipe.
Preferably, a rubber sealing ring is arranged at the joint of the water inlet pipe and the standing layering cavity.
Preferably, the sterilizing lamp is an ultraviolet lamp.
The above technical scheme of the utility model has following profitable technological effect:
this device simple structure is easy and simple to handle, can effectually distinguish the oil moisture layer height through floating the board, thereby remain upper grease inside the filtration cavity that stews, can effectually isolate upper grease through the oil-well pump, can effectually get rid of the moisture that contains in the grease through the heating cavity, make the grease of isolating more purified, it can be convenient for the grease to empty to contain anti-coagulation device in the oil storage tank, lower floor's waste water part can be through mixing the cavity with alum intensive mixing, effectual making water-soluble impurity deposit, can effectually intercept impurity inside filtering the cavity through filter screen and adsorption element, can make the liquid after the filtration get into inside the disinfection cavity, can effectually reduce the poisonous harmful substance that contains in the liquid through disinfection lamp and active carbon structure, make liquid reach emission standard.
Drawings
FIG. 1 is a schematic structural view of an oil-water separator for treating machining wastewater according to the present invention.
Reference numerals: 1. a base; 2. a housing; 3. a water inlet pipe; 4. standing and layering the cavity; 5. a floating plate; 6. a drain pipe; 7. an oil well pump; 8. heating the cavity; 9. heating a tube; 10. a mixing chamber; 11. a mixing device; 12. an alum tank; 13. a filtering cavity; 14. a lifting device; 15. an adsorbing member; 16. a filter screen; 17. a water pump; 18. an oil storage tank; 19. a shower head; 20. a sterilizing lamp; 21. sterilizing the chamber; 22. activated carbon; 23. a water quality sensor; 24. a water storage tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1, the utility model provides an oil-water separator for machining wastewater treatment, including base 1, casing 2, inlet tube 3, layering cavity 4 that stews, floating plate 5, drain pipe 6, oil-well pump 7, heating cavity 8, heating pipe 9, mixing cavity 10, mixing arrangement 11, alum jar 12, filter cavity 13, elevating gear 14, adsorption element 15, filter screen 16, water pump 17, oil storage tank 18, gondola water faucet 19, sterilamp 20, disinfection cavity 21, active carbon 22 and storage water tank 24;
a support column is arranged on the base 1, and one end of the support column, which is far away from the base 1, is connected with the shell 2; the top of the shell 2 is connected with a water inlet pipe 3; the water inlet pipe 3 is connected with the shell 2; the interior of the shell 2 is connected with a standing layering cavity 4; the interior of the standing layering cavity 4 is in sliding connection with the floating plate 5; the density of the floating plate 5 is between that of oil and water; the bottom of the floating plate 5 is provided with a waterproof rubber ring, and the diameter of the waterproof rubber ring is larger than that of the drain pipe 6; the bottom of the standing layering cavity 4 is connected with a drain pipe 6; the floating plate 5 is positioned right above the drain pipe 6; the side surface of the outer wall of the standing layering cavity 4 is connected with an oil well pump 7; an oil pumping pipe is arranged on the oil well pump 7 and is connected with the standing layering cavity 4; the oil pumping pipe extends into the bottom of the standing layering cavity 4; an oil feeding pipe is arranged on the oil well pump and is connected with the heating cavity 8; the interior of the heating cavity 8 is connected with a heating pipe 9; a steam pipe is arranged on the heating cavity 8; a temperature sensor is arranged at the joint of the steam pipe and the heating cavity 8; the bottom of the heating cavity 8 is connected with an oil storage tank 18 through a connecting pipe; the oil storage tank 18 is connected with the shell 2; an anti-solidification device is arranged inside the oil storage tank 18; one end of the drain pipe 6, which is far away from the standing layering cavity 4, is connected with the mixing cavity 10; the interior of the mixing cavity 10 is rotationally connected with a mixing device 11; the mixing cavity 10 is connected with the bottom of the inner wall of the shell 2; the side surface of the mixing cavity 10 is connected with an alum tank 12 through a connecting pipe, and a valve is arranged on the connecting pipe; the side surface of the mixing cavity 10 is connected with the filtering cavity 13 through a connecting pipe; the filtering cavity 13 is connected with the shell 2; the top of the filtering cavity 13 is connected with a lifting device 14; the lifting device 14 is connected with the adsorption piece 15; the interior of the filtering cavity 13 is connected with a filter screen 16; one side of the filter screen 16, which is far away from the adsorption part 15, is connected with a water pump 17 through a connecting pipe; one end of the water pump 17 far away from the filtering cavity 13 is connected with the disinfection cavity 21; the disinfection cavity 21 is connected with the shell 2; the water pump 17 is connected with the shower head 19 through a connecting pipe; the top of the disinfection cavity 21 is connected with a disinfection lamp 20; the inside of the disinfection cavity 21 is connected with the active carbon 22; the activated carbon 22 is arranged on the side surface of the shower head 19; a water quality sensor 23 is arranged at the bottom of the active carbon 22; the disinfection cavity 21 is connected with the water storage tank 24 through a connecting pipe; the water storage tank 24 is connected to the housing 2.
In the utility model, the oil-water mixed liquid enters the standing layering cavity 4 through the water inlet pipe 3, the oil-water layering occurs after a period of standing, the floating plate 5 can be positioned between the oil-water layering due to density, when the drain pipe 6 is opened, the liquid level is reduced until the floating plate 5 blocks the pipe orifice of the drain pipe 6, the oil remained in the standing layering cavity 4 is the upper grease, the grease can be pumped away by the oil-well pump 7, the water re-mixing is avoided, the residual water in the grease can be effectively evaporated through the heating cavity 8 and the heating pipe 9, the pure grease can be obtained and stored in the oil storage tank 18, the waste water enters the mixing cavity 10 through the drain pipe 6, the water-soluble impurities in the waste water can be effectively precipitated through the alum tank 12 and the mixing device 11, the impurities can be effectively adsorbed through the adsorbing piece 15 in the filtering cavity 13, the waste water pollutants are reduced, toxic and harmful substances can be removed from the wastewater through the disinfection lamp 20 and the activated carbon 22, and the water quality sensor 23 can ensure that the wastewater is discharged after reaching the discharge standard, so that the environment is effectively protected.
In an optional embodiment, a sliding connecting rod is arranged on the floating plate 5, a sliding block is arranged on the sliding connecting rod, a sliding rail is arranged on the standing layered cavity 4, and the sliding block is slidably connected with the sliding rail.
In an alternative embodiment, the mixing device 11 comprises a motor, a rotating shaft, a belt pulley, a belt and a fan blade, wherein the motor is connected with the bottom of the shell 2, the output end of the motor is connected with the belt pulley, the belt pulley is in transmission connection with the rotating shaft through the belt, the rotating shaft is rotatably connected with the top of the mixing cavity 10, and the rotating shaft is connected with the fan blade.
In an alternative embodiment, the lifting device 14 includes a motor, a rotary table, a rotary connecting member, and a sliding rod, the motor is provided with a supporting platform, the supporting platform is connected to the filtering cavity 13, the output end of the motor is connected to the rotary table, the rotary table is rotatably connected to the rotary connecting rod, the rotary connecting rod is rotatably connected to the sliding rod, the sliding rod is slidably connected to the filtering cavity 13, and the sliding rod is connected to the adsorbing member 15.
In an alternative embodiment, the activated carbon 22 is provided with a through hole, and the water pump 17 is provided with a connecting pipe, and the connecting pipe passes through the through hole.
In an alternative embodiment, a rubber sealing ring is arranged at the connection of the mixing cavity 10 and the connecting pipe.
In an alternative embodiment, a rubber sealing ring is arranged at the joint of the water inlet pipe 3 and the standing layering cavity 4.
In an alternative embodiment, the sterilizing lamp 20 is an ultraviolet lamp.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. An oil-water separator for machining wastewater treatment is characterized by comprising a base (1), a shell (2), a water inlet pipe (3), a standing layering cavity (4), a floating plate (5), a water outlet pipe (6), an oil well pump (7), a heating cavity (8), a heating pipe (9), a mixing cavity (10), a mixing device (11), an alum tank (12), a filtering cavity (13), a lifting device (14), an adsorption piece (15), a filter screen (16), a water pump (17), an oil storage tank (18), a shower head (19), a disinfection lamp (20), a disinfection cavity (21), active carbon (22) and a water storage tank (24);
a support column is arranged on the base (1), and one end of the support column, which is far away from the base (1), is connected with the shell (2); the top of the shell (2) is connected with the water inlet pipe (3); the water inlet pipe (3) is connected with the shell (2); the interior of the shell (2) is connected with the standing layering cavity (4); the interior of the standing layering cavity (4) is in sliding connection with the floating plate (5); the density of the floating plate (5) is between that of oil and water; the bottom of the floating plate (5) is provided with a waterproof rubber ring, and the diameter of the waterproof rubber ring is larger than that of the drain pipe (6); the bottom of the standing layering cavity (4) is connected with a drain pipe (6); the floating plate (5) is positioned right above the drain pipe (6); the side surface of the outer wall of the standing layering cavity (4) is connected with an oil well pump (7); an oil pumping pipe is arranged on the oil well pump (7) and is connected with the standing layering cavity (4); the oil pumping pipe extends into the bottom of the standing layering cavity (4); an oil feeding pipe is arranged on the oil well pump and is connected with the heating cavity (8); the interior of the heating cavity (8) is connected with a heating pipe (9); a steam pipe is arranged on the heating cavity (8); a temperature sensor is arranged at the joint of the steam pipe and the heating cavity (8); the bottom of the heating cavity (8) is connected with an oil storage tank (18) through a connecting pipe; the oil storage tank (18) is connected with the shell (2); an anti-solidification device is arranged inside the oil storage tank (18); one end of the drain pipe (6) far away from the standing layering cavity (4) is connected with the mixing cavity (10); the interior of the mixing cavity (10) is rotationally connected with a mixing device (11); the mixing cavity (10) is connected with the bottom of the inner wall of the shell (2); the side surface of the mixing cavity (10) is connected with the alum tank (12) through a connecting pipe, and a valve is arranged on the connecting pipe; the side surface of the mixing cavity (10) is connected with the filtering cavity (13) through a connecting pipe; the filtering cavity (13) is connected with the shell (2); the top of the filtering cavity (13) is connected with a lifting device (14); the lifting device (14) is connected with the adsorption piece (15); the interior of the filtering cavity (13) is connected with a filter screen (16); one side of the filter screen (16) far away from the adsorption piece (15) is connected with a water pump (17) through a connecting pipe; one end of the water pump (17) far away from the filtering cavity (13) is connected with the disinfection cavity (21); the disinfection cavity (21) is connected with the shell (2); the water pump (17) is connected with the shower head (19) through a connecting pipe; the top of the disinfection cavity (21) is connected with a disinfection lamp (20); the inside of the disinfection cavity (21) is connected with the active carbon (22); the activated carbon (22) is arranged on the side surface of the shower head (19); a water quality sensor (23) is arranged at the bottom of the active carbon (22); the disinfection cavity (21) is connected with the water storage tank (24) through a connecting pipe; the water storage tank (24) is connected with the shell (2).
2. The oil-water separator for machining wastewater treatment according to claim 1, wherein the floating plate (5) is provided with a sliding connecting rod, the sliding connecting rod is provided with a sliding block, the standing layered cavity (4) is provided with a sliding rail, and the sliding block is slidably connected with the sliding rail.
3. The oil-water separator for machining wastewater treatment as claimed in claim 1, wherein the mixing device (11) comprises a motor, a rotating shaft, a belt pulley, a belt and fan blades, the motor is connected with the bottom of the shell (2), the output end of the motor is connected with the belt pulley, the belt pulley is in transmission connection with the rotating shaft through the belt, the rotating shaft is rotatably connected with the top of the mixing cavity (10), and the rotating shaft is connected with the fan blades.
4. The oil-water separator for machining wastewater treatment according to claim 1, wherein the lifting device (14) comprises a motor, a rotary table, a rotary connecting piece and a sliding rod, the motor is provided with a supporting platform, the supporting platform is connected with the filtering cavity (13), the output end of the motor is connected with the rotary table, the rotary table is connected with the rotary connecting rod in a rotary manner, the rotary connecting rod is connected with the sliding rod in a rotary manner, the sliding rod is connected with the filtering cavity (13) in a sliding manner, and the sliding rod is connected with the adsorption piece (15).
5. The oil-water separator for machining wastewater treatment according to claim 1, wherein the activated carbon (22) is provided with a through hole, and the water pump (17) is provided with a connecting pipe, and the connecting pipe passes through the through hole.
6. The oil-water separator for machining wastewater treatment as claimed in claim 1, wherein a rubber sealing ring is arranged at the joint of the mixing cavity (10) and the connecting pipe.
7. The oil-water separator for machining wastewater treatment as claimed in claim 1, wherein a rubber sealing ring is arranged at the joint of the water inlet pipe (3) and the standing layering cavity (4).
8. The separator of claim 1, wherein the sterilizing lamp (20) is an ultraviolet lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120148832.3U CN214735082U (en) | 2021-01-20 | 2021-01-20 | Oil-water separator for machining wastewater treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120148832.3U CN214735082U (en) | 2021-01-20 | 2021-01-20 | Oil-water separator for machining wastewater treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214735082U true CN214735082U (en) | 2021-11-16 |
Family
ID=78640454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120148832.3U Expired - Fee Related CN214735082U (en) | 2021-01-20 | 2021-01-20 | Oil-water separator for machining wastewater treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214735082U (en) |
-
2021
- 2021-01-20 CN CN202120148832.3U patent/CN214735082U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |