CN112065785A - Pneumatic liquid pumping equipment - Google Patents
Pneumatic liquid pumping equipment Download PDFInfo
- Publication number
- CN112065785A CN112065785A CN202010921112.6A CN202010921112A CN112065785A CN 112065785 A CN112065785 A CN 112065785A CN 202010921112 A CN202010921112 A CN 202010921112A CN 112065785 A CN112065785 A CN 112065785A
- Authority
- CN
- China
- Prior art keywords
- pipe
- liquid
- compressed air
- liquid inlet
- connecting pipe
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 118
- 238000005086 pumping Methods 0.000 title claims abstract description 40
- 238000003860 storage Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 238000007493 shaping process Methods 0.000 claims description 9
- 238000004513 sizing Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 2
- 238000009825 accumulation Methods 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/02—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid
- F04F5/10—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing liquids, e.g. containing solids, or liquids and elastic fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Abstract
The invention relates to the technical field of liquid pumping, and discloses pneumatic liquid pumping equipment.A liquid pumping workpiece comprises a liquid inlet pipe, a liquid outlet pipe and a compressed air pipe connected with a compressed air storage device, wherein the liquid inlet pipe is communicated with the liquid outlet pipe, the compressed air pipe is connected at the joint of the liquid inlet pipe and the liquid outlet pipe, and an included angle between the central axis of the compressed air pipe and the central axis of the liquid inlet pipe is 25-35 degrees; the pipe diameter of the liquid inlet pipe is smaller than that of the compressed air pipe, and the pipe diameter of the compressed air pipe is smaller than that of the liquid outlet pipe; the feed liquor pipe can be dismantled with first connecting pipe and be connected, and the drain pipe can be dismantled with the second connecting pipe and be connected, and feed liquor pipe, drain pipe and compressed air pipe are the hard tube, and first connecting pipe is the flexible tube with the second connecting pipe, and first connecting pipe and second connecting pipe all include head end and terminal flexible design section and the bendable section at middle part. The pneumatic liquid pumping device disclosed by the invention can be used for pumping liquid pneumatically, is not influenced by the depth of the liquid accumulation, can completely pump the liquid accumulation completely, and is wide in application range.
Description
Technical Field
The invention relates to the technical field of liquid pumping, in particular to pneumatic liquid pumping equipment.
Background
According to the current production situation of a shipyard, after the tires are removed in sections, the sections are usually placed in an open field for pre-outfitting due to the limitation of shipyard space and equipment resources. After entering into rainy season, cause a large amount of ponding in the segmentation because of the reason of raining, if can not in time the drainage can influence the production progress, if take water directly to weld can cause the influence to welding quality. The drainage of the accumulated water becomes urgent, and when the water is shallow, the submersible pump cannot pump the water, so that the overload of the pump is easily caused, and the pump body is damaged; if only depending on manpower to drain, drainage efficiency is low, causing the idling, production cycle extension.
Disclosure of Invention
The invention aims to provide a safe, reliable and simple-structure pneumatic liquid pumping device which can pump liquid through pneumatic, is not influenced by the depth of the liquid accumulation, can completely pump the liquid accumulation completely, and has the advantages of simple structure, high flexibility and wide application range.
In order to achieve the purpose, the invention provides pneumatic liquid pumping equipment which comprises a compressed air storage device, a liquid pumping workpiece, a first connecting pipe and a second connecting pipe, wherein the liquid pumping workpiece comprises a liquid inlet pipe, a liquid outlet pipe and a compressed air pipe connected with the compressed air storage device, the liquid inlet pipe is communicated with the liquid outlet pipe, the compressed air pipe is connected at the joint of the liquid inlet pipe and the liquid outlet pipe, the central axis of the liquid inlet pipe and the central axis of the liquid outlet pipe are on the same straight line, and the included angle between the central axis of the compressed air pipe and the central axis of the liquid inlet pipe is 25-35 degrees; the pipe diameter of the liquid inlet pipe is smaller than that of the compressed air pipe, and the pipe diameter of the compressed air pipe is smaller than that of the liquid outlet pipe;
the feed liquor pipe with the connection can be dismantled to first connecting pipe, the drain pipe with the connection can be dismantled to the second connecting pipe, feed liquor pipe, drain pipe and compressed air pipe are the hard tube, first connecting pipe with the second connecting pipe is the flexible tube, first connecting pipe includes head end and terminal flexible design section and the bendable section at middle part, the second connecting pipe includes head end and terminal flexible design section and the bendable section at middle part.
As a preferable scheme of the present invention, the liquid inlet pipe is connected to the first connecting pipe through a first joint, the first joint includes a first female joint connected to the liquid inlet pipe and a first male joint connected to the first connecting pipe, the first female joint includes a fixed pipe seat and a movable seat, the fixed pipe seat is connected to and communicated with the liquid inlet pipe, a first limit convex ring is disposed on an outer wall of a head end of the fixed pipe seat, a second limit convex ring is disposed on an outer wall of a middle portion of the fixed pipe seat, the movable seat is sleeved on the fixed pipe seat, a limit snap ring which is in limit fit with the first limit convex ring is disposed on an inner wall of a tail end of the movable seat, an internal thread is disposed on an inner wall of the movable seat, and an external thread which is in thread fit with the internal thread of the movable seat is disposed on an outer wall of the first male joint;
the liquid outlet pipe is connected with the second connecting pipe through a second joint.
According to the preferable scheme of the invention, the front end face of the first male connector is provided with an installation groove, a sealing ring is arranged in the installation groove, the depth of the installation groove is greater than the thickness of the sealing ring, and the end face of the head end of the fixed pipe seat is provided with an installation convex ring matched with the installation groove.
As a preferable aspect of the present invention, the first male tab is provided with a buckle that can be engaged with the movable seat.
As a preferable aspect of the present invention, the first connection pipe and the second connection pipe are both plastic hoses.
As a preferable scheme of the invention, the inner wall of the liquid pumping workpiece is coated with anticorrosive paint.
As a preferable scheme of the present invention, an included angle between a central axis of the compressed air pipe and a central axis of the liquid inlet pipe is 30 °.
As a preferable scheme of the invention, the pipe diameter of the liquid inlet pipe is 40mm, the pipe diameter of the compressed air pipe is 50mm, and the pipe diameter of the liquid outlet pipe is 65 mm.
As a preferred scheme of the invention, the tube wall of the head end and the tube wall of the tail end of the first connecting tube are both provided with shaping metal wires; and the pipe wall of the head end and the pipe wall of the tail end of the second connecting pipe are both provided with shaping metal wires.
As a preferable aspect of the present invention, the head end and the tail end of the first connecting pipe are both telescopic sizing pipes, and the head end and the tail end of the second connecting pipe are both telescopic sizing pipes.
Compared with the prior art, the pneumatic liquid pumping equipment provided by the embodiment of the invention has the beneficial effects that:
according to the invention, compressed air in the compressed air storage device is used as a power source, accumulated water in the area connected with the first connecting pipe is discharged to the area connected with the liquid outlet pipe by utilizing pressure difference, the liquid pumping effect is good when the included angle between the compressed air pipe and the liquid inlet pipe is 25-35 degrees, and the pipe diameter of the compressed air pipe is larger than the pipe diameter of the liquid inlet pipe, so that the water flow force can be pushed by the pressure of the compressed air pipe; in addition, the first connecting pipe and the second connecting pipe are flexible pipes, the positions of the first connecting pipe and the second connecting pipe can be bent and adjusted at will, the operability is strong, the head ends and the tail ends of the first connecting pipe and the second connecting pipe are bendable shaping sections, the directions of the first connecting pipe and the second connecting pipe can be adjusted and shaped conveniently according to the angles of the head ends and the tail ends of the first connecting pipe and the second connecting pipe which are adjusted and shaped, the tail end face of the first connecting pipe can be completely positioned in the accumulated water, and the liquid pumping effect is guaranteed to be good; the pneumatic liquid pumping device disclosed by the invention can be used for pumping liquid pneumatically, is not influenced by the depth of the liquid accumulation, can completely pump the liquid accumulation completely, and has the advantages of simple structure, high flexibility and wide application range.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
FIG. 1 is a schematic structural view of a pneumatic fluid pumping device provided by the present invention;
FIG. 2 is a schematic view of the structure of the first joint;
in the figure, 1 is a liquid extracting workpiece; 11 is a liquid inlet pipe; 12 is a liquid outlet pipe; 13 is a compressed air pipe; 2 is a first connecting pipe; 3 is a second connecting pipe; 4 is a first joint; 41 is a first female joint; 411 is a fixed tube seat; 412 is a movable seat; 413 is a first limit convex ring; 414 is a second limit convex ring; 415 is a limit snap ring; 416 is a mounting convex ring; 42 is a first male connector; 43 is a seal ring; 44 is a hasp; and 5 is a second joint.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
As shown in fig. 1 to 2, a pneumatic liquid pumping apparatus according to a preferred embodiment of the present invention includes a compressed air storage device, a liquid pumping workpiece 1, a first connection pipe 2 and a second connection pipe 3, where the liquid pumping workpiece 1 includes a liquid inlet pipe 11, a liquid outlet pipe 12 and a compressed air pipe 13 connected to the compressed air storage device, the liquid inlet pipe 11 is communicated with the liquid outlet pipe 12, the compressed air pipe 13 is connected to a connection portion between the liquid inlet pipe 11 and the liquid outlet pipe 12, a central axis of the liquid inlet pipe 11 is collinear with a central axis of the liquid outlet pipe 12, and an included angle between the central axis of the compressed air pipe 13 and the central axis of the liquid inlet pipe 11 is 25 ° to 35 °; the pipe diameter of the liquid inlet pipe 11 is smaller than that of the compressed air pipe 13, and the pipe diameter of the compressed air pipe 13 is smaller than that of the liquid outlet pipe 12; the included angle between the central axis of the compressed air pipe 13 and the central axis of the liquid inlet pipe 11 is preferably 30 degrees; the pipe diameter of feed liquor pipe 11 is 40mm, compressed air pipe 13's pipe diameter is 50mm, drain pipe 12's pipe diameter is 65 mm. Preferably, the end of the outlet pipe 12 is provided with a flange for facilitating connection with the outlet pipe 12.
The liquid inlet pipe 11 is detachably connected with the first connecting pipe 2, the liquid outlet pipe 12 is detachably connected with the second connecting pipe 3, the liquid inlet pipe 11, the liquid outlet pipe 12 and the compressed air pipe 13 are all hard pipes, the first connecting pipe 2 and the second connecting pipe 3 are both flexible pipes, the first connecting pipe 2 comprises a bendable shaping section at the head end and the tail end and a bendable section at the middle part, and the second connecting pipe 3 comprises a bendable shaping section at the head end and the tail end and a bendable section at the middle part; wherein the first connecting pipe 2 and the second connecting pipe 3 are preferably plastic hoses.
Therefore, the invention uses the compressed air in the compressed air storage device as a power source, uses the pressure difference to discharge the accumulated water in the area connected with the first connecting pipe 2 to the area connected with the liquid outlet pipe 12, has good liquid pumping effect when the included angle between the compressed air pipe 13 and the liquid inlet pipe 11 is 25-35 degrees, and ensures that the pressure of the compressed air pipe 13 can push the water flow force when the pipe diameter of the compressed air pipe 13 is larger than that of the liquid inlet pipe 11; in addition, the first connecting pipe 2 and the second connecting pipe 3 are both flexible pipes, the positions can be bent and adjusted at will, the operability is strong, the head ends and the tail ends of the first connecting pipe 2 and the second connecting pipe 3 are bendable shaping sections, the directions of the first connecting pipe 2 and the second connecting pipe 3 can be adjusted and shaped conveniently according to the angles of the head ends and the tail ends of the first connecting pipe 2 and the second connecting pipe 3 which are adjusted and shaped, the tail end face of the first connecting pipe 2 can be completely positioned in accumulated water, and the liquid pumping effect is guaranteed to be good; the pneumatic liquid pumping device disclosed by the invention can be used for pumping liquid pneumatically, is not influenced by the depth of the liquid accumulation, can completely pump the liquid accumulation completely, and has the advantages of simple structure, high flexibility and wide application range.
Further, the liquid inlet pipe 11 is connected with the first connecting pipe 2 through a first joint 4, so that the liquid inlet pipe 11 is conveniently connected with and separated from the first connecting pipe 2, the first joint 4 comprises a first female joint 41 connected with the liquid inlet pipe 11 and a first male joint 42 connected with the first connecting pipe 2, the first female joint 41 comprises a fixed pipe seat 411 and a movable seat 412, the fixed pipe seat 411 is connected with and communicated with the liquid inlet pipe 11, a first limit convex ring 413 is arranged on the outer wall of the head end of the fixed pipe seat 411, a second limit convex ring 414 is arranged on the outer wall of the middle part of the fixed pipe seat 411, the moving position of the movable seat 412 can be limited through the first limit convex ring 413 and the second limit convex ring 414, the movable seat 412 is sleeved on the fixed pipe seat 411, a limit snap ring 415 in limit fit with the first limit convex ring 413 is arranged on the inner wall of the tail end of the movable seat 412, the inner wall of the movable seat 412 is provided with internal threads, and the outer wall of the first male joint 42 is provided with external threads matched with the internal threads of the movable seat 412, so that the assembly and disassembly are convenient; the liquid outlet pipe 12 is connected with the second connecting pipe 3 through a second joint 5, the structure of the second joint 5 is the same as that of the first joint 4, and the description is not repeated here, and the liquid outlet pipe 12 is conveniently connected with and separated from the second connecting pipe 3 through the second joint 5.
Specifically, a mounting groove is formed in the front end face of the first male connector 42, a sealing ring 43 is arranged in the mounting groove, the depth of the mounting groove is larger than the thickness of the sealing ring 43, the head end face of the fixed tube seat 411 is provided with a mounting convex ring 416 matched with the mounting groove, the sealing effect of the first connector 4 is improved by arranging the sealing ring 43, the mounting groove in the first male connector 42 is matched with the mounting convex ring 416 on the fixed tube seat 411, the first male connector 42 and the fixed tube seat 411 can be conveniently mounted and positioned, and the mounting convex ring 416 can compress the sealing ring 43.
Illustratively, the first male connector 42 is provided with a buckle 44, the buckle 44 can be buckled on the movable seat 412, and the buckle 44 can ensure that the movable seat 412 cannot move after the installation is completed, so as to ensure the working stability of the first connector 4.
In order to ensure the anticorrosion effect of the liquid pumping workpiece 1, the inner wall of the liquid pumping workpiece 1 is coated with an anticorrosion coating.
In this embodiment, the first end pipe wall and the tail end pipe wall of the first connecting pipe 2 are both provided with a sizing wire; and the pipe walls of the head end and the tail end of the second connecting pipe 3 are respectively provided with a shaping metal wire, so that the bending shaping effect of the first connecting pipe 2 and the second connecting pipe 3 is good. In another embodiment, the first connecting pipe 2 has a head end and a tail end both being telescopic sizing pipes, and the second connecting pipe 3 has a head end and a tail end both being telescopic sizing pipes.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The pneumatic liquid pumping equipment is characterized by comprising a compressed air storage device, a liquid pumping workpiece, a first connecting pipe and a second connecting pipe, wherein the liquid pumping workpiece comprises a liquid inlet pipe, a liquid outlet pipe and a compressed air pipe connected with the compressed air storage device, the liquid inlet pipe is communicated with the liquid outlet pipe, the compressed air pipe is connected at the joint of the liquid inlet pipe and the liquid outlet pipe, the central axis of the liquid inlet pipe and the central axis of the liquid outlet pipe are on the same straight line, and the included angle between the central axis of the compressed air pipe and the central axis of the liquid inlet pipe is 25-35 degrees; the pipe diameter of the liquid inlet pipe is smaller than that of the compressed air pipe, and the pipe diameter of the compressed air pipe is smaller than that of the liquid outlet pipe;
the feed liquor pipe with the connection can be dismantled to first connecting pipe, the drain pipe with the connection can be dismantled to the second connecting pipe, feed liquor pipe, drain pipe and compressed air pipe are the hard tube, first connecting pipe with the second connecting pipe is the flexible tube, first connecting pipe includes head end and terminal flexible design section and the bendable section at middle part, the second connecting pipe includes head end and terminal flexible design section and the bendable section at middle part.
2. The pneumatic liquid pumping apparatus according to claim 1, wherein the liquid inlet pipe is connected to the first connecting pipe through a first joint, the first joint comprises a first female joint connected to the liquid inlet pipe and a first male joint connected to the first connecting pipe, the first female joint comprises a fixed pipe seat and a movable seat, the fixed pipe seat is connected to and communicated with the liquid inlet pipe, a first limit convex ring is arranged on an outer wall of a head end of the fixed pipe seat, a second limit convex ring is arranged on an outer wall of a middle part of the fixed pipe seat, the movable seat is sleeved on the fixed pipe seat, a limit snap ring in limit fit with the first limit convex ring is arranged on an inner wall of a tail end of the movable seat, an internal thread is arranged on an inner wall of the movable seat, and an external thread in thread fit with the internal thread of the movable seat is arranged on an outer wall of the first male joint;
the liquid outlet pipe is connected with the second connecting pipe through a second joint.
3. The pneumatic liquid pumping apparatus as claimed in claim 2, wherein the front end surface of the first male connector is provided with a mounting groove, a sealing ring is arranged in the mounting groove, the depth of the mounting groove is greater than the thickness of the sealing ring, and the front end surface of the fixed pipe seat is provided with a mounting convex ring matched with the mounting groove.
4. The pneumatic fluid pumping apparatus of claim 2, wherein the first male connector has a snap thereon, the snap being adapted to snap onto the movable mount.
5. The pneumatic fluid pumping apparatus of claim 1, wherein the first and second connection tubes are plastic hoses.
6. A pneumatic fluid extraction apparatus as defined in claim 1, wherein an inner wall of said fluid extraction workpiece is coated with an anti-corrosive paint.
7. The pneumatic pumping apparatus of claim 1, wherein the angle between the central axis of the compressed air tube and the central axis of the liquid inlet tube is 30 °.
8. A pneumatic pumping apparatus as claimed in claim 1, wherein the liquid inlet pipe has a pipe diameter of 40mm, the compressed air pipe has a pipe diameter of 50mm, and the liquid outlet pipe has a pipe diameter of 65 mm.
9. The pneumatic fluid pumping apparatus of claim 1, wherein the first connecting tube has a shaped wire on both the head end wall and the tail end wall; and the pipe wall of the head end and the pipe wall of the tail end of the second connecting pipe are both provided with shaping metal wires.
10. The pneumatic pumping apparatus of claim 1, wherein the first connecting tube has a head end and a tail end that are both telescoping sizing tubes, and the second connecting tube has a head end and a tail end that are both telescoping sizing tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010921112.6A CN112065785B (en) | 2020-09-04 | 2020-09-04 | Pneumatic liquid pumping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010921112.6A CN112065785B (en) | 2020-09-04 | 2020-09-04 | Pneumatic liquid pumping equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112065785A true CN112065785A (en) | 2020-12-11 |
| CN112065785B CN112065785B (en) | 2022-07-05 |
Family
ID=73666453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010921112.6A Active CN112065785B (en) | 2020-09-04 | 2020-09-04 | Pneumatic liquid pumping equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112065785B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202991671U (en) * | 2012-12-19 | 2013-06-12 | 青岛造船厂有限公司 | Pneumatic pumping plant |
| CN103174686A (en) * | 2013-02-21 | 2013-06-26 | 北京朗新明环保科技有限公司 | Jet flow air lifting device |
| CN203560182U (en) * | 2013-11-29 | 2014-04-23 | 山东双轮股份有限公司 | Pump pressure test drain pipe tooling |
| CN209704943U (en) * | 2019-03-28 | 2019-11-29 | 中广核核电运营有限公司 | Pump drainage water installations |
| CN211174827U (en) * | 2019-12-24 | 2020-08-04 | 南通中远海运船务工程有限公司 | Pneumatic air-extracting water-pumping device |
-
2020
- 2020-09-04 CN CN202010921112.6A patent/CN112065785B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202991671U (en) * | 2012-12-19 | 2013-06-12 | 青岛造船厂有限公司 | Pneumatic pumping plant |
| CN103174686A (en) * | 2013-02-21 | 2013-06-26 | 北京朗新明环保科技有限公司 | Jet flow air lifting device |
| CN203560182U (en) * | 2013-11-29 | 2014-04-23 | 山东双轮股份有限公司 | Pump pressure test drain pipe tooling |
| CN209704943U (en) * | 2019-03-28 | 2019-11-29 | 中广核核电运营有限公司 | Pump drainage water installations |
| CN211174827U (en) * | 2019-12-24 | 2020-08-04 | 南通中远海运船务工程有限公司 | Pneumatic air-extracting water-pumping device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112065785B (en) | 2022-07-05 |
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