CN111691499A - Double-well cylinder type integrated pump station - Google Patents
Double-well cylinder type integrated pump station Download PDFInfo
- Publication number
- CN111691499A CN111691499A CN202010563850.8A CN202010563850A CN111691499A CN 111691499 A CN111691499 A CN 111691499A CN 202010563850 A CN202010563850 A CN 202010563850A CN 111691499 A CN111691499 A CN 111691499A
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- Prior art keywords
- cylinder
- air guide
- guide sleeve
- water outlet
- water
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B5/00—Use of pumping plants or installations; Layouts thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/20—Filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/22—Arrangements for enabling ready assembly or disassembly
Abstract
The invention provides a double-well cylinder type integrated pump station, which comprises: a first cylinder; a water inlet notch is formed in the side wall of the lower part of the first cylinder; a first water pump is arranged at the lower part in the first cylinder; the water outlet of the first water pump is connected with a first water outlet pipeline; the first water outlet pipeline is connected with the water outlet main pipe; a water inlet device; the water inlet device comprises a fixed air guide sleeve and a movable air guide sleeve; the three-dimensional protection device comprises a first horizontal protection grid and a longitudinal protection grid; a second cylinder; the second cylinder body is arranged in parallel with the first cylinder body and communicated with the first cylinder body through a connecting pipeline; a second water pump is arranged at the lower part in the second cylinder; the water outlet of the second water pump is connected with a second water outlet pipeline; the second water outlet pipeline is connected with the water outlet main pipe; an operating platform; the operating platform comprises a bottom plate and a guardrail; the lifting device is fixedly arranged on the bottom plate of the operating platform and is fixedly connected with the movable air guide sleeve; the movable air guide sleeve is used for driving the movable air guide sleeve to move up and down.
Description
Technical Field
The invention relates to an irrigation pump station, in particular to a double-well-barrel type integrated pump station.
Background
Among the prior art, the pump station is irrigated to the barrel generally adopts following structure, and the water pump sets up in the barrel, sets up the water inlet on the lateral wall of barrel lower part, and the water inlet outside sets up antifouling grid, and the distance between the grid pole of antifouling grid is 50 to 60 millimeters. Some of the anti-fouling grids have a mechanical crushing function, and some of the anti-fouling grids can be driven by hydraulic pressure or other modes to reciprocate up and down. In the above-mentioned structure, because the water inlet sets up in the side of barrel, when the water pump absorbs water, water directly gets into the water pump water inlet, for the straight-flow type mode of intaking of upstream face for some floaters in the aquatic are like banded plastic sheeting, plastic bag etc. and debris such as massive foamed plastic, snack box intake water pump to flow into the farmland through the pipeline after the water pump is smashed, cause the farmland to pollute. In addition, the direct water inflow mode from the head-on is not favorable for protecting the bank, and water wave impact is easy to form to cause collapse.
Because the barrel is not only the installation section of thick bamboo of intaking a section of thick bamboo (the water inlet sets up in the barrel lateral wall) but also water pump for:
1. the bottom of the cylinder body is easy to silt up and not easy to clean, and the water inflow is influenced after long-term use;
2. the antifouling grid adopts hydraulic power device, realizes blocking dirty function, and hydraulic power device is whole submergence in aquatic, and easy damage is just difficult for the maintenance.
3. The water inlet is installed facing the water surface and is at a certain distance from the dike foot, which is not beneficial to the protection of the dike.
4. The water pump outlet pipe gate, the metering instrument and the like are all installed in a closed mode, a long-arm crane is required to integrally lift the pump during maintenance, maintenance cost is high, the period is long, and difficulty is high.
5. The ground type well lid anti-theft measure has poor anti-theft effect.
6. The whole pump set has poor structural strength and needs to be installed underground in sections during installation.
7. If the anti-blocking trash-blocking water inlet structure disclosed in CN208733577U is adopted, the installation engineering difficulty is high when the water inlet structure needs to go deep into the river center, and the hydraulic power device is completely immersed in water, so that the water inlet structure is easy to damage and not easy to maintain, and meanwhile, the anti-blocking trash-blocking water inlet is arranged in the river center, so that the water inlet structure is not beneficial to dredging and needs to be agreed by water conservancy departments.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a dual well bore type integrated pump station for solving the above-mentioned problems in the prior art.
To achieve the above and other related objects, the present invention provides a dual-well cylinder type integrated pump station, comprising:
a first cylinder; a water inlet notch is formed in the side wall of the lower part of the first cylinder; a first water pump is arranged at the lower part in the first cylinder; the water outlet of the first water pump is connected with a first water outlet pipeline; the first water outlet pipeline is connected with the water outlet main pipe;
a water inlet device; the water inlet device comprises a fixed flow guide cover and a movable flow guide cover, the cross section of the fixed flow guide cover is approximately omega-shaped and is fixedly arranged on the outer side of the water inlet notch of the first cylinder body; the movable air guide sleeve is arranged at the lower part of the fixed air guide sleeve, and the cross section of the movable air guide sleeve is the same as that of the fixed air guide sleeve; the movable air guide sleeve is nested at the lower part of the fixed air guide sleeve and can move up and down; the lower end part of the movable air guide sleeve is a horizontal water inlet;
the three-dimensional protection device comprises a first horizontal protection grid and a longitudinal protection grid; the first horizontal protection grating is arranged on the periphery of the horizontal water inlet; the longitudinal protective grating is arranged between the fixed air guide sleeve and the first cylinder body; the longitudinal protective grating covers the water inlet gap;
a second cylinder; the second cylinder body is parallel to the first cylinder body and communicated with the first cylinder body through a connecting pipeline; a second water pump is arranged at the lower part in the second cylinder; the water outlet of the second water pump is connected with a second water outlet pipeline; the second water outlet pipeline is connected with the water outlet main pipe;
an operating platform; the operating platform comprises a bottom plate and a guardrail, is fixedly connected with the first cylinder and the second cylinder, and is arranged at the upper parts of the two cylinders; the first cylinder and the second cylinder penetrate out of the bottom plate;
the lifting device is fixedly arranged on the bottom plate of the operating platform and is fixedly connected with the movable air guide sleeve; the movable air guide sleeve is used for driving the movable air guide sleeve to move up and down;
and the control cabinet is fixedly arranged on the bottom plate of the operating platform and used for electrically controlling the equipment.
Preferably, two sides of the water inlet gap of the first cylinder are respectively provided with a fixed guide rail groove, and two side edges of the longitudinal protective grating are respectively embedded into the guide rail grooves; and a manual winch is arranged on the bottom plate of the operating platform and connected with the longitudinal protective grating, and the manual winch can drive the longitudinal protective grating to move up and down along the guide rail groove.
Preferably, the three-dimensional protection device further comprises a second horizontal protection grid, and the second horizontal protection grid is arranged on the periphery of the lower portion of the fixed air guide sleeve.
Preferably, a portal crane is arranged on the operating platform. The maintenance of the equipment is convenient.
Preferably, an observation access door is arranged on the side wall of the upper part of the first cylinder and the side wall of the upper part of the second cylinder.
Preferably, the lifting device is a screw gate hoist, and a lifting screw of the lifting device is connected with the movable air guide sleeve through a connecting rod.
Preferably, the first water outlet pipeline and the second water outlet pipeline are both of a multi-section structure, and the sections are connected through flanges.
Preferably, an anti-theft tool box is arranged on the operating platform.
Preferably, the upper ends of the first cylinder and the second cylinder are both provided with a sealing cover.
When the double-well-barrel type integrated pump station is used, the double-well-barrel type integrated pump station is arranged in water sources such as a river channel, a ditch, a reservoir and the like, the lower end of the movable flow guide cover is positioned below a horizontal plane, and the water inlet is positioned below the horizontal plane, so that floating impurities can be effectively prevented from entering the water inlet of the water pump when the water pump pumps water; when the water level changes, the height of the movable air guide sleeve is adjusted, so that the horizontal water inlet of the movable air guide sleeve is always positioned below the horizontal plane.
The double-well cylinder type integrated pump station has the following characteristics: the water inlet is changed into a vertical downward flow guiding type water inlet mode, and the lowest position of the water inlet is arranged at the lowest positions of the reservoir and the ditch, so that sundries floating on the water surface can be prevented from entering the water outlet pipeline and being discharged into the farmland to pollute the farmland. In order to prevent the generation of vortex, the flow rate of inlet water is controlled below 1.5 m/s.
The movable air guide sleeve of the water inlet device is nested at the lower part of the fixed air guide sleeve, the position of the movable air guide sleeve can be adjusted according to the change of the water level of a water source, and the effect of preventing floating objects on the water surface from entering a pipeline is not influenced by the change of the water level.
In the invention, the cross section of the diversion cover is approximately omega-shaped, so that the water inlet is far away from the embankment and is arranged in a suspended manner, thereby facilitating dredging and flood drainage of the river channel. Meanwhile, the area of the water inlet of the air guide sleeve is designed according to the parameters of the water pump, and the air guide sleeve is convenient to process and manufacture. The diversion cover is adopted to guide the water to enter, other power equipment is not needed for diversion, and maintenance and repair can be avoided.
The invention adopts a double-cylinder double-pump structure, has higher installation stability, and can adopt a single pump or double pumps to supply water according to the requirement. The invention adopts the design of the water pump, and can eliminate the siltation in the cylinder.
The operation platform, the observation access door, the portal crane, the anti-theft tool box and the like are arranged at the upper part of the cylinder body, the first water outlet pipeline and the second water outlet pipeline are of multi-section structures, the check valve, the flowmeter and the like can be directly seen in the observation access door, and the maintenance is very convenient. And external machines such as a long-arm crane and the like are not needed during the integral maintenance. 2-3 operators can finish the maintenance work.
According to the user's demand, this pump station can conveniently carry out the exterior decoration, forms the sight spot, beautifies the environment.
Drawings
FIG. 1 is an isometric view of a schematic construction of the present invention;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a schematic top view of the structure of the present invention;
in the figure: the device comprises a first cylinder body 1, a movable air guide sleeve 2, a first horizontal protection grid 3, a second horizontal protection grid 4, a fixed air guide sleeve 5, a longitudinal protection grid 6, a fixed guide rail groove 7, a screw gate hoist 8, a manual winch 9, a 10-door-shaped travelling crane, a control cabinet 11, an observation access door 12, an operation platform 13, a second cylinder body 14, a connecting pipeline 15, a first water pump 16, a first water outlet pipeline 17, a check valve 18, a flow meter 19, a flow meter 20, a check valve 21, a second water outlet pipeline 22, a second water pump 23, a guardrail 131 and a bottom plate 132.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1 to 3. It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions of the present disclosure, so that the present disclosure is not limited to the technical essence, and any modifications of the structures, changes of the ratios, or adjustments of the sizes, can still fall within the scope of the present disclosure without affecting the function and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a dual-well cylinder type integrated pump station, which includes:
a first cylinder 1; a water inlet notch is formed in the side wall of the lower part of the first cylinder; a first water pump 16 is arranged at the lower part in the first cylinder; the water outlet of the first water pump 16 is connected with a first water outlet pipeline 17; the first water outlet pipeline 17 is connected with a water outlet main pipe; the first water outlet line 17 is provided with a check valve 18 and a flow meter 19;
a water inlet device; the water inlet device comprises a fixed air guide sleeve 5 and a movable air guide sleeve 2, the cross section of the fixed air guide sleeve 5 is approximately omega-shaped and is fixedly arranged on the outer side of the water inlet gap of the first cylinder 5; the movable air guide sleeve 2 is arranged at the lower part of the fixed air guide sleeve 5, and the cross section of the movable air guide sleeve is the same as that of the fixed air guide sleeve 5; the movable air guide sleeve 2 is nested at the lower part of the fixed air guide sleeve 5 and can move up and down; the lower end part of the movable air guide sleeve 2 is a horizontal water inlet;
the three-dimensional protection device comprises a first horizontal protection grid 3 and a longitudinal protection grid 6; the first horizontal protective grating 3 is arranged on the periphery of the horizontal water inlet; the longitudinal protective grating 6 is arranged between the fixed air guide sleeve 5 and the first cylinder 1; the longitudinal protective grating 6 covers the water inlet notch;
a second cylinder; the second cylinder 14 and the first cylinder 1 are arranged in parallel and communicated with each other through a connecting pipeline 15; a second water pump 23 is arranged at the lower part in the second cylinder 14; the water outlet of the second water pump 23 is connected with a second water outlet pipeline 22; the second water outlet pipeline 22 is connected with a water outlet main pipe; a check valve 21 and a flow meter 20 are arranged on the second water outlet pipeline 22;
an operation platform 13; the operating platform 13 comprises a bottom plate 132 and a guardrail 131, is fixedly connected with the first cylinder 1 and the second cylinder 14, and is arranged at the upper parts of the two cylinders; the first cylinder 1 and the second cylinder 14 penetrate out of the bottom plate 132;
the lifting device is fixedly arranged on the bottom plate 132 of the operating platform 13 and is fixedly connected with the movable air guide sleeve 5; the movable air guide sleeve 5 is driven to move up and down;
and the control cabinet is fixedly arranged on the bottom plate 132 of the operating platform 13 and is used for electrically controlling equipment.
In another embodiment, two sides of the water inlet gap of the first cylinder 1 are respectively provided with a fixed guide rail groove 7, and two side edges of the longitudinal protective grating 6 are respectively embedded into the guide rail grooves 7; a manual winch 9 is arranged on the bottom plate 132 of the operating platform 13, and the manual winch 9 is connected with the longitudinal protection grating 6 and can drive the longitudinal protection grating 6 to move up and down along the guide rail groove 7.
In another embodiment, the space guard further comprises a second horizontal guard grating 4, and the second horizontal guard grating 4 is disposed at the lower periphery of the fixed air guide sleeve 5.
In another embodiment, a portal crane 10 is arranged on the operating platform 13. The maintenance of the equipment is convenient.
In another embodiment, an observation access door 12 is provided on the upper side wall of the first cylinder 1 and the second cylinder 14.
In another embodiment, the lifting device is a screw gate hoist 8, the lifting screw of which is connected to the movable pod 2 by a connecting rod.
In another embodiment, the first outlet pipe 17 and the second outlet pipe 22 are both multi-segment structures, and the segments are connected by flanges.
In another embodiment, an anti-theft tool box is arranged on the operation platform 13.
In another embodiment, a cover is arranged at the upper ends of the first cylinder 1 and the second cylinder 14.
When the double-well-barrel type integrated pump station is used, the double-well-barrel type integrated pump station is arranged in water sources such as a river channel, a ditch, a reservoir and the like, the lower end of the movable flow guide cover 2 is positioned below a horizontal plane, and a water inlet is positioned below the horizontal plane, so that floating impurities can be effectively prevented from entering the water inlet of the water pump when the water pump pumps water; when the water level changes, the height of the movable air guide sleeve is adjusted, so that the horizontal water inlet of the movable air guide sleeve is always positioned below the horizontal plane.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. The utility model provides a twin-well cylinder formula integration pump station which characterized in that includes:
a first cylinder; a water inlet notch is formed in the side wall of the lower part of the first cylinder; a first water pump is arranged at the lower part in the first cylinder; the water outlet of the first water pump is connected with a first water outlet pipeline; the first water outlet pipeline is connected with the water outlet main pipe;
a water inlet device; the water inlet device comprises a fixed flow guide cover and a movable flow guide cover, the cross section of the fixed flow guide cover is approximately omega-shaped and is fixedly arranged on the outer side of the water inlet notch of the first cylinder body; the movable air guide sleeve is arranged at the lower part of the fixed air guide sleeve, and the cross section of the movable air guide sleeve is the same as that of the fixed air guide sleeve; the movable air guide sleeve is nested at the lower part of the fixed air guide sleeve and can move up and down; the lower end part of the movable air guide sleeve is a horizontal water inlet;
the three-dimensional protection device comprises a first horizontal protection grid and a longitudinal protection grid; the first horizontal protection grating is arranged on the periphery of the horizontal water inlet; the longitudinal protective grating is arranged between the fixed air guide sleeve and the first cylinder body; the longitudinal protective grating covers the water inlet gap;
a second cylinder; the second cylinder body is parallel to the first cylinder body and communicated with the first cylinder body through a connecting pipeline; a second water pump is arranged at the lower part in the second cylinder; the water outlet of the second water pump is connected with a second water outlet pipeline; the second water outlet pipeline is connected with the water outlet main pipe;
an operating platform; the operating platform comprises a bottom plate and a guardrail, is fixedly connected with the first cylinder and the second cylinder, and is arranged at the upper parts of the two cylinders; the first cylinder and the second cylinder penetrate out of the bottom plate;
the lifting device is fixedly arranged on the bottom plate of the operating platform and is fixedly connected with the movable air guide sleeve; the movable air guide sleeve is used for driving the movable air guide sleeve to move up and down;
and the control cabinet is fixedly arranged on the bottom plate of the operating platform and used for electrically controlling the equipment.
2. The dual-well barrel type integrated pump station according to claim 1, wherein: two sides of the water inlet notch of the first cylinder are respectively provided with a fixed guide rail groove, and two side edges of the longitudinal protective grating are respectively embedded into the guide rail grooves; and a manual winch is arranged on the bottom plate of the operating platform and connected with the longitudinal protective grating, and the manual winch can drive the longitudinal protective grating to move up and down along the guide rail groove.
3. The dual-well barrel type integrated pump station according to claim 1, wherein: the three-dimensional protection device further comprises a second horizontal protection grid, and the second horizontal protection grid is arranged on the periphery of the lower portion of the fixed air guide sleeve.
4. The dual-well barrel type integrated pump station according to claim 1, wherein: the operation platform is provided with a portal crane.
5. The dual-well barrel type integrated pump station according to claim 1, wherein: and observation access doors are arranged on the side walls of the upper parts of the first barrel and the second barrel.
6. The dual-well-barrel integrated pump station according to any one of claims 1 to 5, wherein: the lifting device is a screw gate hoist, and a lifting screw of the lifting device is connected with the movable air guide sleeve through a connecting rod.
7. The dual-well barrel type integrated pump station according to claims 1 to 5, wherein: the first water outlet pipeline and the second water outlet pipeline are both of a multi-section structure, and the sections are connected through flanges.
8. The dual-well barrel type integrated pump station according to claim 7, wherein: and the operating platform is provided with an anti-theft tool box.
9. The dual-well barrel type integrated pump station according to claim 7, wherein: the upper ends of the first cylinder and the second cylinder are provided with sealing covers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010563850.8A CN111691499A (en) | 2020-06-19 | 2020-06-19 | Double-well cylinder type integrated pump station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010563850.8A CN111691499A (en) | 2020-06-19 | 2020-06-19 | Double-well cylinder type integrated pump station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111691499A true CN111691499A (en) | 2020-09-22 |
Family
ID=72481932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010563850.8A Pending CN111691499A (en) | 2020-06-19 | 2020-06-19 | Double-well cylinder type integrated pump station |
Country Status (1)
| Country | Link |
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| CN (1) | CN111691499A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013185490A (en) * | 2012-03-08 | 2013-09-19 | Mikasa Kankyo Service:Kk | Suction device and oil-water separation device, and oil-water separation tank |
| CN107327387A (en) * | 2017-08-08 | 2017-11-07 | 杨升 | A kind of water drawing device |
| CN206845154U (en) * | 2017-06-01 | 2018-01-05 | 李英 | A kind of oil extraction pump |
| CN207048026U (en) * | 2017-06-17 | 2018-02-27 | 中安智创环保科技有限公司 | Prefabricated pumping plant in parallel |
| CN207485664U (en) * | 2017-11-30 | 2018-06-12 | 沧州源森泰机械制造有限公司 | A kind of water pump water conservancy diversion filter mantle |
| CN208501860U (en) * | 2017-08-11 | 2019-02-15 | 上海万岭给排水设备有限公司 | A kind of prefabricated pumping plant of fully automatic integral |
-
2020
- 2020-06-19 CN CN202010563850.8A patent/CN111691499A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013185490A (en) * | 2012-03-08 | 2013-09-19 | Mikasa Kankyo Service:Kk | Suction device and oil-water separation device, and oil-water separation tank |
| CN206845154U (en) * | 2017-06-01 | 2018-01-05 | 李英 | A kind of oil extraction pump |
| CN207048026U (en) * | 2017-06-17 | 2018-02-27 | 中安智创环保科技有限公司 | Prefabricated pumping plant in parallel |
| CN107327387A (en) * | 2017-08-08 | 2017-11-07 | 杨升 | A kind of water drawing device |
| CN208501860U (en) * | 2017-08-11 | 2019-02-15 | 上海万岭给排水设备有限公司 | A kind of prefabricated pumping plant of fully automatic integral |
| CN207485664U (en) * | 2017-11-30 | 2018-06-12 | 沧州源森泰机械制造有限公司 | A kind of water pump water conservancy diversion filter mantle |
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Application publication date: 20200922 |