CN211368992U - Novel blowdown pump station - Google Patents

Novel blowdown pump station Download PDF

Info

Publication number
CN211368992U
CN211368992U CN201922203926.1U CN201922203926U CN211368992U CN 211368992 U CN211368992 U CN 211368992U CN 201922203926 U CN201922203926 U CN 201922203926U CN 211368992 U CN211368992 U CN 211368992U
Authority
CN
China
Prior art keywords
water
cavity
pipeline
sewage
water inlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201922203926.1U
Other languages
Chinese (zh)
Inventor
陈聪
卢明辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201922203926.1U priority Critical patent/CN211368992U/en
Application granted granted Critical
Publication of CN211368992U publication Critical patent/CN211368992U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Sewage (AREA)

Abstract

The utility model discloses a novel blowdown pump station, including water intake pipe, sewage treatment pond, connecting line, sedimentation tank and outlet pipe way, wherein: the water inlet pipeline is connected to the sewage treatment tank, and the sewage treatment tank comprises a rotating shaft and blades; the connecting pipeline is used for communicating the sewage treatment tank with the sedimentation tank; the sedimentation tank is provided with a second water inlet, a second water outlet, a water return pipeline and a filter plate; the water outlet pipeline is communicated with the upper sedimentation cavity. The utility model discloses a mode of going up the filter makes sewage pass through the filter from bottom to top, because be mostly the precipitate in the sewage, upper large granule impurity is less, consequently can effectively reduce the jam of filter, and the sewage that contains the precipitate in the lower chamber of sediment passes through return line and inlet tube and flows in the sewage treatment pond once more in addition and smashes, smashes the size that can effectively reduce granule impurity through a lot of, makes it pass through the filter, improves filterable trafficability characteristic.

Description

Novel blowdown pump station
Technical Field
The utility model relates to a blowdown pump station.
Background
The increasing shortage of water resources and the serious water pollution are indispensable for the recovery and treatment of sewage. The pump station is used as a transfer station for sewage recovery and treatment, and is equipment for transferring pollution to a sewage treatment station. However, because a large amount of solid impurities exist in the pollution, after the pollution is used for a certain period of time, the solid impurities are easily accumulated at the bottom of the pump station, so that the pump station cannot normally operate, even the pump station is damaged, the pump station needs to be cleaned regularly, the labor cost is increased, and the working efficiency of the pump station is also influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sewage pump station of the heavy end impurity of effective filtration.
In order to solve the problem, the utility model provides a novel sewage pump station, a serial communication port, including water intake pipe, sewage treatment pond, connecting line, sedimentation tank and outlet conduit, wherein:
the water inlet pipeline is connected to the sewage treatment tank and used for conveying sewage to the sewage treatment tank through a first water pump;
the sewage treatment tank comprises a rotating shaft arranged in an inner cavity of the sewage treatment tank and blades arranged on the circumferential surface of the rotating shaft, and the rotating shaft penetrates through the side wall of the sewage treatment tank and is connected to a motor shaft of a driving motor;
the connecting pipeline is used for communicating the sewage treatment tank with the sedimentation tank and is connected with a third water pump to convey sewage;
the sedimentation tank is provided with a second water inlet, a second water outlet, a water return pipeline and a filter plate, the filter plate is horizontally arranged in an inner cavity of the sedimentation tank and divides the inner cavity into an upper sedimentation cavity and a lower sedimentation cavity, the second water inlet and the second water outlet are both positioned in the lower sedimentation cavity, the second water inlet is communicated with the connecting pipeline, one end of the water return pipeline is communicated with the water inlet pipeline, the other end of the water return pipeline is communicated with the lower sedimentation cavity through the second water outlet, the second water outlet is provided with a pressure valve for controlling the communication with the water return pipeline, and when the pressure in the lower sedimentation cavity exceeds a set value, the pressure valve is controlled to be opened;
the water outlet pipeline is communicated with the upper sediment cavity and is connected with a second water pump for pumping the liquid in the upper sediment cavity into the water outlet pipeline.
As a further improvement, the sedimentation tank is also provided with two floating blocks which are respectively arranged on two parallel side walls of the sedimentation tank, the floating blocks can do vertical movement along a fixed stroke in the vertical direction under the action of buoyancy, and the filter plate is arranged between the floating blocks.
As a further improvement, the outlet pipeline is connected with two and stretches into the play water branch pipeline of intracavity on the sediment, it is the telescopic bellows to go out the water pipeline, and its free end is fixed the upper surface of floating block, it is equipped with the third inlet that sewage flowed in to go out water branch pipeline free end side.
As a further improvement, the sedimentation tank bottom surface is an inclined plane, the second water inlet with the second delivery port is located respectively on two parallel lateral walls of the sedimentation tank, the second water inlet is in before the upslope of the sedimentation tank bottom surface, the second delivery port is located after the downhill path of the sedimentation tank bottom surface.
As a further improvement, the sedimentation tank is provided with two chutes on two parallel side walls, a slide block is arranged in each chute, and the floating block is fixedly connected on the slide block.
As a further improvement of the utility model,
the inner cavity of the sewage treatment tank is divided into a first cavity and a second cavity by a vertically arranged first partition plate, the first cavity is divided into a plurality of horizontally arranged treatment cavities, each treatment cavity is connected with an independent rotating shaft, the rotation is driven to rotate by an independent driving motor, the second cavity is communicated with each treatment cavity through a first water outlet, and a one-way valve for limiting sewage in the second cavity to flow back into the treatment cavities is arranged at the first water outlet;
the rear section of the water inlet pipeline is provided with a plurality of water inlet pipelines, and each water inlet pipeline is communicated with one treatment cavity;
except that one of them moisture inlet pipeline does not set up and cuts the valve, all the other moisture inlet pipeline all is provided with cuts the valve, should cut the valve with the flowmeter electrical signal connection that the intake pipe anterior segment set up, when the flowmeter detects to pass through intake pipe anterior segment flow exceedes one or more vertical of settlement, control cut the valve and all open or open in proper order.
As a further improvement, the water return pipeline is located before the flowmeter with the tie point of water inlet pipeline, the water inlet pipeline still is equipped with the check valve of placing the sewage refluence before this tie point.
As a further improvement, sedimentation tank one side still is equipped with and is connected with a retaining chamber, is equipped with the retaining chamber in this retaining chamber, the second delivery port with retaining chamber intercommunication, retaining chamber bottom be equipped with the third delivery port of retaining chamber intercommunication, return water pipeline's one end is connected return water pipeline is last.
As a further improvement of the utility model, the return water pipeline is provided with sewage backflow to the check valve of the water storage bin.
The utility model has the advantages that the utility model is provided with a sewage treatment tank and a sedimentation tank, sewage enters the sewage treatment tank through a water inlet pipeline, is conveyed to the sedimentation tank by a third water pump on a connecting pipeline after being stirred and crushed, the sedimentation tank is internally provided with an upper filter plate, the upper layer sewage in a lower sedimentation cavity enters a upper sedimentation cavity through the upper filter plate from bottom to top and is pumped away by a second water pump on a water outlet pipeline, the lower layer sewage in the lower sedimentation cavity enters a water return pipeline through a second water outlet so as to enter the water inlet pipeline, and then is crushed and refined through the sewage treatment tank, the utility model adopts the mode of the upper filter plate, the sewage passes through the filter plate from bottom to top, because most of sediments in the sewage, the upper layer of large-particle impurities are less, so the blockage of the filter plate can be effectively reduced, in addition, the sewage containing sediments in the lower sedimentation cavity flows into the sewage treatment tank again through a, through smashing many times can effectively reduce particle impurity's size, make it pass through the filter, improve filterable trafficability characteristic.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 100-a water inlet pipeline; 102-a first water pump; 104-a water inlet pipeline; 106-a shut-off valve; 108-a flow meter; 200-a sewage treatment tank; 202-a rotating shaft; 204-blade; 206-a drive motor; 208-a processing chamber; 210-a first water outlet; 300-connecting lines; 302-a third water pump; 400-a sedimentation tank; 402-a second water inlet; 404-a second water outlet; 406-return line; 408-a filter plate; 410-a floating block; 500-water outlet pipeline; 502-a second water pump; 504-moisture outlet line; 506-a third water inlet; 600-a water storage bin; 602-a water storage chamber; 604-third water outlet.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses a water intake pipe 100, sewage treatment pond 200, connecting line 300, sedimentation tank 400 and outlet conduit, wherein:
the water inlet pipeline 100 is connected to the sewage treatment tank 200, and conveys sewage to the sewage treatment tank 200 through a first water pump 102;
the sewage treatment tank 200 comprises a rotating shaft 202 arranged in an inner cavity of the sewage treatment tank, and blades 204 arranged on the circumferential surface of the rotating shaft 202, wherein the rotating shaft 202 penetrates through the side wall of the sewage treatment tank 200 and is connected to a motor shaft of a driving motor 206;
the connecting pipeline 300 is used for communicating the sewage treatment tank 200 with the sedimentation tank 400, and is connected with a third water pump 302 to convey sewage;
the sedimentation tank 400 is provided with a second water inlet 402, a second water outlet 404, a water return pipeline 406 and a filter plate 408, the filter plate 408 is horizontally arranged in the inner cavity of the sedimentation tank 400 and divides the inner cavity into an upper sedimentation cavity and a lower sedimentation cavity, the second water inlet 402 and the second water outlet 404 are both positioned in the lower sedimentation cavity, the second water inlet 402 is communicated with the connecting pipeline 300, one end of the water return pipeline 406 is communicated with the water inlet pipeline 100, the other end of the water return pipeline 406 is communicated with the lower sedimentation cavity through the second water outlet 404, a pressure valve for controlling the communication with the water return pipeline 406 is arranged on the second water outlet 404, and when the pressure in the lower sedimentation cavity exceeds a set value, the pressure valve is controlled to be opened;
the water outlet pipeline is communicated with the upper sediment cavity and is connected with a second water pump 502 for pumping the liquid in the upper sediment cavity into the water outlet pipeline.
As a further improvement of the present invention, the sedimentation tank 400 is further provided with two floating blocks 410 respectively disposed on two parallel side walls of the sedimentation tank 400, the floating blocks 410 can move vertically along a fixed stroke in a vertical direction under the action of buoyancy, and the filter 408 is installed between the floating blocks 410.
As a further improvement, the outlet pipeline is connected with two and stretches into the water outlet branch pipeline 504 in the upper cavity of the sediment, the water outlet pipeline 504 is a telescopic corrugated pipe, the free end of the water outlet pipeline is fixed on the upper surface of the floating block 410, and the side surface of the free end of the water outlet pipeline 504 is provided with a third water inlet 506 for the inflow of sewage.
As a further improvement of the present invention, the bottom surface of the sedimentation tank 400 is an inclined plane, the second water inlet 402 and the second water outlet 404 are respectively located on two parallel side walls of the sedimentation tank 400, the second water inlet 402 is located before the upslope of the bottom surface of the sedimentation tank 400, the second water outlet 404 is located after the downslope of the bottom surface of the sedimentation tank 400.
As a further improvement of the utility model, be provided with two spouts on the two parallel lateral walls of sedimentation tank 400, be provided with the slider in the spout, this kicking block 410 fixed connection be in on the slider.
As a further improvement of the utility model,
the inner cavity of the sewage treatment tank 200 is divided into a first cavity and a second cavity by a vertically arranged first partition board, the first cavity is divided into a plurality of horizontally arranged treatment cavities 208, each treatment cavity 208 is connected with an individual rotating shaft 202, the rotating shaft is driven to rotate by an individual driving motor 206, the second cavity is communicated with each treatment cavity 208 through a first water outlet 210, and a one-way valve for limiting sewage in the second cavity to flow back into the treatment cavities 208 is arranged at the first water outlet 210;
a plurality of water inlet pipelines 104 are arranged at the rear section of the water inlet pipeline 100, and each water inlet pipeline 104 is communicated with one treatment cavity 208;
except that one of the water inlet pipelines 104 is not provided with a cut-off valve 106, the other water inlet pipelines 104 are provided with cut-off valves 106, the cut-off valves 106 are in electric signal connection with a flow meter 108 arranged at the front section of the water inlet pipeline 100, and when the flow meter 108 detects that the flow rate of the water passing through the front section of the water inlet pipeline 100 exceeds one or more set vertical values, the cut-off valves 106 are controlled to be opened completely or opened in sequence.
As a further improvement of the present invention, the water return line 406 and the connection point of the water inlet line 100 are located before the flow meter 108, the water inlet line 100 is further provided with a check valve for placing the sewage to flow backwards before the connection point.
As a further improvement, the sedimentation tank 400 one side is still equipped with and is connected with a water storage chamber 600, is equipped with water storage chamber 602 in this water storage chamber 600, the second delivery port 404 with water storage chamber 602 intercommunication, water storage chamber 600 bottom be equipped with the third delivery port 604 of water storage chamber 602 intercommunication, the one end of return water pipeline 406 is connected on the return water pipeline 406.
As a further improvement of the utility model, the return water pipe 406 is provided with a check valve for returning the sewage to the water storage bin 600.
The specific principle of the utility model is as follows:
(1) under the action of the first water pump 102 in the water inlet pipeline 100, sewage enters one of the treatment cavities 208 which is not provided with the stop valve 106;
(2) the rotating shaft 202 in the treatment cavity 208 is driven by the motor to rotate, so that the blades 204 are driven to rotate, and the sewage is stirred and crushed;
(3) the crushed sewage enters the sedimentation tank 400 under the action of the third water pump 302 in the connecting pipeline 300;
(4) the sedimentation tank 400 is internally provided with an upper filter plate 408, the upper layer sewage in the sedimentation lower cavity enters the sedimentation upper cavity from bottom to top through the upper filter plate 408, floating blocks 410 are arranged at two ends of the filter plate 408, and the floating blocks 410 can slide in vertical sliding grooves at two sides of the sedimentation tank 400 through sliding blocks, so that the height of the filter plate 408 can be adjusted according to the height of the sewage in the sedimentation lower cavity;
(5) the sewage passing through the filter plate 408 enters the moisture outlet pipe 504 through the third water inlet 506 and is pumped by the second water pump 502;
(6) the bottom surface of the lower sedimentation cavity is provided with an inclined surface, sewage is precipitated under the action of self gravity and flows from the second water inlet 402 to the second water outlet 404 along the inclined surface, most of the sewage is particle precipitate and enters the water storage cavity 602 in the water storage bin 600 after passing through the second water outlet 404, the bottom of the water storage cavity 602 is communicated with a third water outlet 604 communicated with the water return pipeline 406, and the sewage enters the water return pipeline 406 through the third water inlet 506 and is conveyed to the water inlet pipeline 100 through the water return pipeline 406;
(7) when the flow meter 108 in the water inlet line 100 detects that the flow rate in the water inlet line 100 is increased (because the amount of the sewage delivered by the water return line 406 or the sewage outside the system is increased), the flow meter 108 controls the cutoff valve 106 to be opened, and more treatment chambers 208 in the sewage treatment tank 200 are opened, thereby improving the treatment efficiency.
(9) The utility model discloses a mode of last filter 408 makes sewage pass through filter 408 from bottom to top, because it is mostly the precipitate in the sewage, upper large granule impurity is less, consequently can effectively reduce the jam of filter 408, and the sewage that contains the precipitate in the lower chamber of sedimentation passes through return line and inlet tube and flows in sewage treatment pond 200 once more in addition and smashes, smashes the size that can effectively reduce granule impurity through a lot of, makes it pass through filter 408, improves filterable trafficability characteristic. The utility model discloses still set up a plurality of process chambers 208, select openly according to the size of the interior flow of advancing water pipe, can ensure treatment effeciency on the one hand, can also reduce energy consumption simultaneously.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims (9)

1. The utility model provides a novel blowdown pump station, its characterized in that, includes inlet channel (100), sewage treatment pond (200), connecting line (300), sedimentation tank (400) and outlet conduit (500), wherein:
the water inlet pipeline (100) is connected to the sewage treatment tank (200) and conveys sewage to the sewage treatment tank (200) through a first water pump (102);
the sewage treatment tank (200) comprises a rotating shaft (202) arranged in an inner cavity of the sewage treatment tank, and blades (204) arranged on the circumferential surface of the rotating shaft (202), wherein the rotating shaft (202) penetrates through the side wall of the sewage treatment tank (200) and is connected to a motor shaft of a driving motor (206);
the connecting pipeline (300) is used for communicating the sewage treatment tank (200) with the sedimentation tank (400), and is used for conveying sewage by connecting a third water pump (302);
the sedimentation tank (400) is provided with a second water inlet (402), a second water outlet (404), a water return pipeline (406) and a filter plate (408), the filter plate (408) is horizontally arranged in an inner cavity of the sedimentation tank (400) and divides the inner cavity into an upper sedimentation cavity and a lower sedimentation cavity, the second water inlet (402) and the second water outlet (404) are both positioned in the lower sedimentation cavity, the second water inlet (402) is communicated with the connecting pipeline (300), one end of the water return pipeline (406) is communicated with the water inlet pipeline (100), the other end of the water return pipeline is communicated with the lower sedimentation cavity through the second water outlet (404), a pressure valve which is communicated with the water return pipeline is arranged on the second water outlet (404), and when the pressure in the lower sedimentation cavity exceeds a set value, the pressure valve is controlled to be opened;
the water outlet pipeline (500) is communicated with the upper sediment cavity and is connected with a second water pump (502) for pumping the liquid in the upper sediment cavity into the water outlet pipeline (500).
2. The sewage pump station according to claim 1, wherein the sedimentation tank (400) is further provided with two floating blocks (410) respectively arranged on two parallel side walls of the sedimentation tank (400), the floating blocks (410) can vertically move along a fixed stroke in a vertical direction under the action of buoyancy, and the filter plate (408) is arranged between the two floating blocks (410).
3. The novel pollution discharge pump station according to claim 2, wherein two water outlet pipelines (504) extending into the upper cavity of the sediment are connected to the water outlet pipeline (500), the water outlet pipeline (504) is a telescopic corrugated pipe, the free end of the water outlet pipeline is fixed on the upper surface of the floating block (410), and a third water inlet (506) for inflow of sewage is formed in the side surface of the free end of the water outlet pipeline (504).
4. The novel sewage pumping station according to claim 3, wherein the bottom surface of the sedimentation tank (400) is an inclined surface, the second water inlet (402) and the second water outlet (404) are respectively located on two parallel side walls of the sedimentation tank (400), the second water inlet (402) is located before an upward slope of the bottom surface of the sedimentation tank (400), and the second water outlet (404) is located after a downward slope of the bottom surface of the sedimentation tank (400).
5. The sewage pumping station according to claim 4, wherein two sliding grooves are arranged on two parallel side walls of the sedimentation tank (400), sliding blocks are arranged in the sliding grooves, and the floating block (410) is fixedly connected to the sliding blocks.
6. The novel sewage pumping station according to claim 5,
the inner cavity of the sewage treatment tank (200) is vertically provided with a first partition plate to be divided into a first cavity and a second cavity, the first cavity is divided into a plurality of horizontally arranged treatment cavities (208), each treatment cavity (208) is connected with an independent rotating shaft (202), the rotating shafts (202) are driven to rotate by an independent driving motor (206), the second cavity is communicated with each treatment cavity (208) through a first water outlet (210), and a one-way valve for limiting sewage in the second cavity to flow back into the treatment cavities (208) is arranged at the first water outlet (210);
a plurality of water inlet pipelines (104) are arranged at the rear section of the water inlet pipeline (100), and each water inlet pipeline (104) is communicated with one treatment cavity (208);
except one of the water inlet pipeline (104) is not provided with a cut-off valve (106), the other water inlet pipelines (104) are provided with cut-off valves (106), the cut-off valves (106) are in electric signal connection with flow meters (108) arranged at the front sections of the water inlet pipelines (100), and when the flow meters (108) detect that the flow rate of the water inlet pipelines (100) exceeds one or more set values, the cut-off valves (106) are controlled to be opened completely or opened in sequence.
7. The novel sewage pumping station according to claim 6, wherein the connection point of the water return pipeline (406) and the water inlet pipeline (100) is located in front of the flowmeter (108), and the water inlet pipeline (100) is further provided with a one-way valve for placing sewage backflow in front of the connection point.
8. The novel pollution discharge pump station according to claim 7, wherein a water storage chamber (600) is further connected to one side of the sedimentation tank (400), a water storage cavity (602) is arranged in the water storage chamber (600), the second water outlet (404) is communicated with the water storage cavity (602), a third water outlet (604) communicated with the water storage cavity (602) is arranged at the bottom of the water storage chamber (600), and one end of the water return pipeline (406) is connected to the water return pipeline (406).
9. The novel sewage pumping station according to claim 8, wherein a check valve for returning sewage to the water storage bin (600) is arranged on the water return pipeline (406).
CN201922203926.1U 2019-12-10 2019-12-10 Novel blowdown pump station Expired - Fee Related CN211368992U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922203926.1U CN211368992U (en) 2019-12-10 2019-12-10 Novel blowdown pump station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922203926.1U CN211368992U (en) 2019-12-10 2019-12-10 Novel blowdown pump station

Publications (1)

Publication Number Publication Date
CN211368992U true CN211368992U (en) 2020-08-28

Family

ID=72171017

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922203926.1U Expired - Fee Related CN211368992U (en) 2019-12-10 2019-12-10 Novel blowdown pump station

Country Status (1)

Country Link
CN (1) CN211368992U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110820917A (en) * 2019-12-10 2020-02-21 陈聪 Novel blowdown pump station

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110820917A (en) * 2019-12-10 2020-02-21 陈聪 Novel blowdown pump station

Similar Documents

Publication Publication Date Title
CN206801849U (en) A kind of pump tube with sedimentation pollution discharge structure
CN211368992U (en) Novel blowdown pump station
CN205699624U (en) A kind of continuous way chemical industry subsider
CN107989631A (en) Pipe curtain push-bench excavation device
CN116099283A (en) Small-size high-efficient silt precipitation equipment of water-saving irrigation system
CN211069312U (en) High-efficient sewage treatment device
CN110820917A (en) Novel blowdown pump station
CN207532859U (en) Overflow-type water treatment facilities
CN204298221U (en) A kind of dredging silt mass-producing continuous high-efficient environmental protection dewatering system
CN203440254U (en) Autoclaved aerated concrete block cut waste material recycling device
CN206219338U (en) A kind of new water purifying device
CN209530258U (en) A kind of road sewage blowdown apparatus
CN113294332B (en) Screw pump for efficiently pumping oil sludge for oilfield development
CN216005591U (en) Equipment for preparing fine gypsum from wet desulfurization sludge
CN206767665U (en) Gangue mixed material washing circulating water regeneration pond
CN106380019B (en) Novel water purifies device
CN208218543U (en) A kind of mud waste water pretreatment system
CN211255341U (en) Cocurrent flow flotation solid-liquid separation tank
CN209906415U (en) Sewage horizontal flow sedimentation tank adopting S-shaped stainless steel inclined plate
CN208591576U (en) A kind of flotation beneficiation medicament precipitation buffering device
CN206198781U (en) Solid-liquid separator
CN207713487U (en) A kind of aerobic sludge reflux
CN106422440B (en) Solid-liquid separator
CN204625221U (en) A kind of filling preparation facilities with sewage discharge emergency handling function
CN205495028U (en) Device is added to ration of extractant

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200828

Termination date: 20211210