CN106593803A - Novel constant-pressure constant-speed pump - Google Patents
Novel constant-pressure constant-speed pump Download PDFInfo
- Publication number
- CN106593803A CN106593803A CN201710065452.1A CN201710065452A CN106593803A CN 106593803 A CN106593803 A CN 106593803A CN 201710065452 A CN201710065452 A CN 201710065452A CN 106593803 A CN106593803 A CN 106593803A
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- Prior art keywords
- pressure
- joint
- fixedly connected
- operated valve
- general
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Classifications
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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
- F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
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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
- F04B23/00—Pumping installations or systems
- F04B23/02—Pumping installations or systems having reservoirs
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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
- F04B53/14—Pistons, piston-rods or piston-rod connections
- F04B53/143—Sealing provided on the piston
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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
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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
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention provides a novel constant-pressure constant-speed pump. The novel constant-pressure constant-speed pump comprises at least one pressurizing assembly and drive assemblies connected with the pressurizing assemblies. The pressurizing assemblies and the drive assemblies are connected with a rack. The novel constant-pressure constant-speed pump is characterized in that the two pressurizing assemblies are arranged, and each pressurizing assembly comprises a cylinder body, a plunger rod, a pressure cap and a piston mechanism, wherein each plunger rod is in clearance fit with the corresponding cylinder body. The novel constant-pressure constant-speed pump has the beneficial effects that cylinder bodies of the metering pump can be mounted more conveniently and fast, the airtightness of the metering pump is better, and the safety condition of a pressure container under high-pressure fluid can be tested by the metering pump.
Description
Technical field
The present invention relates to oil exploitation experimental apparatus, and in particular to a kind of metering pump with constant speed and constant pressure.
Background technology
Need to squeeze into high-pressure liquid medium to underground to take the oil of underground during oil exploitation.
Constant pressure constant speed dosing pump is the key equipment in oil, shale gas, CBM exploration and development evaluation, by laboratory
The means of simulation experiment judge the feasibility that oil recovery medium is conveyed to oil well, and according to experimental data actual exploitation work is carried out.
The hydrodynamic source that no pulse is continuously provided is needed in an experiment, it is therefore desirable to a kind of high-precision constant pressure constant speed
Pump；There is following defect in existing dosing pump：First, existing dosing pump cannot test the pressure that highly pressurised liquid is squeezed into underground
The safe condition of container.2nd, the sealing condition of existing dosing pump needs further raising, so as to certainty of measurement, stability
Need further to improve.3rd, the dismounting of existing dosing pump cylinder, installation not enough facilitates.
The content of the invention
The invention provides a kind of novel constant-pressure constant speed pump, purpose of design：So that the installation of the cylinder of dosing pump is more square
Just it is quick so that the sealing property of dosing pump is better so that dosing pump can test the pressure vessel under highly pressurised liquid
Safe condition.
The invention provides following technical proposals：A kind of novel constant-pressure constant speed pump, including least one set pressure-applying unit and
The drive component of the pressure-applying unit connection, the pressure-applying unit, drive component and frame connection, it is characterised in that described to add
Pressure component is two groups, and the pressure-applying unit includes cylinder, plunger rod, pressure cap, piston mechanism, between the plunger rod and the cylinder
Gap coordinates, and the piston mechanism is connected with the upper end of the plunger rod, and the pressure cap is fixedly connected with the upper end of the cylinder, institute
State cylinder upper end it is stifled be connected to plug, the plug is provided with liquid runner, and sealing ring, institute are provided between the plug and the cylinder
The cylindrical outer wall for stating pressure cap is provided with mounting groove；The novel constant-pressure constant speed pump also include containing the first pneumatic operated valve, the second pneumatic operated valve,
First joint, the second joint, the 3rd joint, the liquid guide flow component of the 4th joint, first joint, the second joint, the 3rd
Joint, the 4th joint are three way cock, and first pneumatic operated valve, the second pneumatic operated valve are equipped with water inlet, outlet, pressure (hydraulic) water
Mouthful, the water inlet of first pneumatic operated valve and the second pneumatic operated valve is connected by the 4th joint with water butt pipeline, institute
State novel constant-pressure constant speed pump and also pass through described including the outlet of pressure vessel, first pneumatic operated valve and the second pneumatic operated valve
First joint is connected with the pressure vessel conduit, and the pressurization mouth of a river of first pneumatic operated valve and the second pneumatic operated valve leads to respectively
Cross second joint and the 3rd joint is connected with the pressure-applying unit pipeline.
Second joint, the 3rd joint are connected to first pressure sensor, second pressure sensor.
The piston mechanism includes back-up ring under piston body, general obturating plug, general plug envelope, general back-up ring beyond the Great Wall, general plug, the general obturating plug
It is fixedly connected with the upper end of the piston body, back-up ring is socketed with the piston body under the general plug envelope, general back-up ring beyond the Great Wall, general plug,
The general back-up ring beyond the Great Wall is located at the lower section of the general plug envelope, and back-up ring is located at the lower section of the general back-up ring beyond the Great Wall under the general plug.
The drive component includes worm and gear speed-reduction apparatus, the ball screw assembly, containing leading screw and set, the leading screw
Upper end is fixedly connected with the lower end of the plunger rod, and the set is fixedly connected with the worm gear of the worm and gear speed-reduction apparatus, institute
State worm screw and the motor connection of worm and gear speed-reduction apparatus.
The novel constant-pressure constant speed pump also include containing upper righting, middle righting, guide post guidance set, the upper righting
It is fixedly connected with the lower end of the cylinder, the middle righting is fixedly connected with the lower end of the plunger rod, the upper righting and institute
State frame to be fixedly connected, the upper righting is fixedly connected the middle righting and is connected with the guiding bar track with the guide post.
The drive component includes worm and gear speed-reduction apparatus, the ball screw assembly, containing leading screw and set, the leading screw
Upper end is fixedly connected with the lower end of the plunger rod, and the set is fixedly connected with the worm gear of the worm and gear speed-reduction apparatus, institute
Worm screw and the motor connection of worm and gear speed-reduction apparatus are stated, the upper end of the guide post is fixedly connected with the upper righting, described
The lower end of guide post is fixedly connected with the housing of the worm and gear speed-reduction apparatus.
The number of the guide post is three or four.
Beneficial effects of the present invention are as follows.
First, the cylindrical outer wall of the pressure cap 4 is provided with mounting groove 29；The pressure cap 4 causes the company of plug 26 and the cylinder 2
Connect and more consolidate, the effect of mounting groove 29 causes removing and installing for the pressure cap 4 more convenient.Blackout is only needed to when dismantling
Rod member is inserted in the mounting groove 29, is completed to dismantle by pulling rod member and is installed.Hence in so that the peace of the cylinder of dosing pump
Fill more convenient.
2nd, the piston mechanism includes back-up ring under piston body 30, general obturating plug 31, general plug envelope 32, general back-up ring beyond the Great Wall 33, general plug
5, the general obturating plug 31 is fixedly connected with the upper end of the piston body 30, the general plug envelope 32, general back-up ring beyond the Great Wall 33, general plug lower block
Circle 5 is socketed with the piston body 30, and the general back-up ring beyond the Great Wall 33 is located at the lower section of the general plug envelope 32, back-up ring 5 under the general plug
Positioned at the lower section of the general back-up ring beyond the Great Wall 33.The piston mechanism of said mechanism causes sealing property to significantly improve, and has used general
Plug envelope 32 is sealed.General plug envelope 32 is a kind of high-performance sealed part of the built-in special spring of U-shaped Teflon, by appropriate spring
Power adds system fluid pressure, and sealing lip is ejected and the metal covering for being sealed gently is pushed down to generate very excellent sealing effect
Really.The actuating effect of spring can overcome the slight eccentricity in metal combination face and the abrasion of sealing lip, and persistently possess expection
Sealing property.Therefore, the sealing condition for comparing more existing dosing pump further improves, and so as to certainty of measurement, stablizes
Property need further to improve.
3rd, the novel constant-pressure constant speed pump is also included containing the first pneumatic operated valve 6, the second pneumatic operated valve 7, the first joint 8, second
Joint 9, the 3rd joint 10, the liquid guide flow component of the 4th joint 11, first joint 8, the second joint 9, the 3rd joint 10,
4th joint 11 is three way cock, and first pneumatic operated valve 6, the second pneumatic operated valve 7 are equipped with water inlet 12, outlet 13, pressurization
The mouth of a river 14, the water inlet 12 of the pneumatic operated valve 7 of first pneumatic operated valve 6 and second is by the 4th joint 11 and water butt 15
Pipeline connects, and the novel constant-pressure constant speed pump also includes pressure vessel 16, the institute of the pneumatic operated valve 7 of first pneumatic operated valve 6 and second
State outlet 13 to be connected with the pipeline of the pressure vessel 16 by first joint 8, first pneumatic operated valve 6 and second is pneumatic
The pressurization mouth of a river 14 of valve 7 is connected respectively by the joint 10 of second joint 9 and the 3rd with the pressure-applying unit pipeline；It is logical
Said system is crossed by the liquid transport in water butt 15 to cylinder 2, is tested.The liquid pipe drawn at the pressurization mouth of a river 14 and cylinder
Body 2 is connected, and by the pressurization mouth of a river 14 to the fluid injection of cylinder 2, the highly pressurised liquid inside cylinder 2 is entered also by the pressurization mouth of a river 14
Go back liquid, have into having.Therefore so that dosing pump can test the safe condition of the pressure vessel under highly pressurised liquid.
Description of the drawings
Fig. 1 is the driving principle figure of novel constant-pressure constant speed pump of the present invention.
Fig. 2 is the assembly relation schematic diagram between upper righting 23, middle righting 24, guide post 25.
Fig. 3 is the schematic diagram of the worm and gear speed-reduction apparatus.
Fig. 4 is the overall schematic of novel constant-pressure constant speed pump of the present invention.
Fig. 5 is the schematic diagram of the liquid transport system of novel constant-pressure constant speed pump of the present invention.
Fig. 6 is the partial enlarged drawing in Fig. 1 at A.
Specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described with specific embodiment.
Marking serial numbers from Fig. 1～Fig. 6 are：Back-up ring 5, the first gas under frame 1, cylinder 2, plunger rod 3, pressure cap 4, general plug
Dynamic valve 6, the second pneumatic operated valve 7, the first joint 8, the second joint 9, the 3rd joint 10, the 4th joint 11, water inlet 12, outlet
13rd, pressurize the mouth of a river 14, water butt 15, pressure vessel 16, first pressure sensor 17, second pressure sensor 18, leading screw 19, set
20th, worm gear 21, worm screw 22, righting 23, middle righting 24, guide post 25, plug 26, liquid runner 27, sealing ring 28, mounting groove 29,
Piston body 30, general obturating plug 31, general plug envelope 32, general back-up ring 33 beyond the Great Wall.
A kind of novel constant-pressure constant speed pump, including the driving group of pressure-applying unit and the pressure-applying unit connection of least one set
Part, the pressure-applying unit, drive component and frame 1 connect, and in the present embodiment the pressure-applying unit adopts two groups, adopts two
The pressure-applying unit of group carries out constant pressure constant speed experiment, and efficiency is greatly improved.
The pressure-applying unit includes cylinder 2, plunger rod 3, pressure cap 4, piston mechanism, between the plunger rod 3 and the cylinder 2
Gap coordinates, and the plunger rod 3 does piston movement, the cylindricality that compression plunger bar 3 and cylinder 2 are surrounded along the inwall of the cylinder 2
Chamber, to the liquid in it high pressure is applied.
The piston mechanism is connected with the upper end of the plunger rod 3, and the pressure cap 4 is fixed with the upper end of the cylinder 2 and connected
Connect, the upper end of the cylinder 2 is stifled to be connected to plug 26, and the plug 26 is provided with liquid runner 27, and the liquid runner 27 is used for the cylinder
Conveying high-pressure liquid in body 2.Sealing ring 28 is provided between the plug 26 and the cylinder 2, sealing property is improved and is avoided liquid
Leakage.
The cylindrical outer wall of the pressure cap 4 is provided with mounting groove 29；The pressure cap 4 causes the connection of plug 26 and the cylinder 2
More consolidate, the effect of mounting groove 29 causes removing and installing for the pressure cap 4 more convenient.Blackout dismantle when only need to by
Rod member is inserted in the mounting groove 29, is completed to dismantle by pulling rod member and is installed.
The novel constant-pressure constant speed pump also includes being connect containing the first pneumatic operated valve 6, the second pneumatic operated valve 7, the first joint 8, second
The 9, the 3rd joint 10, the liquid guide flow component of the 4th joint 11, first joint 8, the second joint 9, the 3rd joint 10,
Four joints 11 are three way cock, and first pneumatic operated valve 6, the second pneumatic operated valve 7 are equipped with water inlet 12, outlet 13, pressure (hydraulic) water
Mouth 14, the water inlet 12 of the pneumatic operated valve 7 of first pneumatic operated valve 6 and second is managed by the 4th joint 11 with water butt 15
Road connect, the novel constant-pressure constant speed pump also include pressure vessel 16, the pneumatic operated valve 7 of first pneumatic operated valve 6 and second it is described
Outlet 13 is connected by first joint 8 with the pipeline of the pressure vessel 16, the pneumatic operated valve of first pneumatic operated valve 6 and second
The 7 pressurization mouth of a river 14 is connected respectively by the joint 10 of second joint 9 and the 3rd with the pressure-applying unit pipeline；Pass through
Said system is tested in the liquid transport in water butt 15 to cylinder 2.The liquid pipe drawn at the pressurization mouth of a river 14 and cylinder
2 connections, by the pressurization mouth of a river 14 to the fluid injection of cylinder 2, are carried out also by the pressurization mouth of a river 14 to the highly pressurised liquid inside cylinder 2
Liquid is returned, is had into having.
Second joint 9, the 3rd joint 10 are connected to first pressure sensor 17, second pressure sensor 18,
First pressure sensor 17, the connection computer of second pressure sensor 18, convert analog signals into digital signal, accurate to read
Take pressure value.
The piston mechanism includes back-up ring 5 under piston body 30, general obturating plug 31, general plug envelope 32, general back-up ring beyond the Great Wall 33, general plug,
The general obturating plug 31 is fixedly connected with the upper end of the piston body 30, back-up ring under the general plug envelope 32, general back-up ring beyond the Great Wall 33, general plug
5 are socketed with the piston body 30, and the general back-up ring beyond the Great Wall 33 is located at the lower section of the general plug envelope 32, back-up ring 5 under the general plug
In the lower section of the general back-up ring beyond the Great Wall 33.The piston mechanism of said mechanism causes sealing property to significantly improve, and has used general plug
Envelope 32 is sealed.General plug envelope 32 is a kind of high-performance sealed part of the built-in special spring of U-shaped Teflon, by appropriate spring force
Plus system fluid pressure, sealing lip is ejected and the metal covering for being sealed gently is pushed down to generate very excellent sealing effect
Really.The actuating effect of spring can overcome the slight eccentricity in metal combination face and the abrasion of sealing lip, and persistently possess expection
Sealing property
The drive component includes worm and gear speed-reduction apparatus, the ball screw assembly, containing leading screw 19 and set 20, ball screw assembly,
With higher guiding accuracy, relatively low frictional damping.The upper end of the leading screw 19 is fixed with the lower end of the plunger rod 3 and is connected
Connect, the set 20 is fixedly connected with the worm gear 21 of the worm and gear speed-reduction apparatus, the worm screw of the worm and gear speed-reduction apparatus
22 and motor connection.Drive leading screw 19 to move up and down by worm and gear speed-reduction apparatus, drive the extruding liquid of plunger rod 3, system
Make environment under high pressure.
The novel constant-pressure constant speed pump also include containing upper righting 23, middle righting 24, guide post 25 guidance set, it is described
Upper righting 23 is fixedly connected with the lower end of the cylinder 2, and the middle righting 24 is fixedly connected with the lower end of the plunger rod 3, institute
State righting 23 to be fixedly connected with the frame 1, the upper righting 23 is fixedly connected the middle righting 24 with the guide post 25
It is connected with the track of the guide post 25.So that the structure of this device is more consolidated.
The drive component includes worm and gear speed-reduction apparatus, the ball screw assembly, containing leading screw 19 and set 20, the silk
The upper end of thick stick 19 is fixedly connected with the lower end of the plunger rod 3, the worm gear 21 for covering 20 and the worm and gear speed-reduction apparatus
Be fixedly connected, the worm screw 22 of the worm and gear speed-reduction apparatus and motor connection, the upper end of the guide post 25 with it is described on help
Positive 23 are fixedly connected, and the lower end of the guide post 25 is fixedly connected with the housing of the worm and gear speed-reduction apparatus.So that structure
More consolidate.The number of the guide post 25 is 34.
Claims (6)
1. a kind of pressure-applying unit of novel constant-pressure constant speed pump, including least one set and the drive component of pressure-applying unit connection,
The pressure-applying unit, drive component and frame（1）Connection, it is characterised in that the pressure-applying unit is two groups, the pressure-applying unit
Including cylinder（2）, plunger rod（3）, pressure cap（4）, piston mechanism, the plunger rod（3）With the cylinder（2）Gap coordinates, institute
Piston mechanism is stated with the plunger rod（3）Upper end connection, the pressure cap（4）With the cylinder（2）Upper end be fixedly connected, institute
State cylinder（2）Upper end stifled be connected to plug（26）, the plug（26）It is provided with liquid runner（27）, the plug（26）With the cylinder
Body（2）Between be provided with sealing ring（28）, the pressure cap（4）Cylindrical outer wall be provided with mounting groove（29）；
The novel constant-pressure constant speed pump is also included containing the first pneumatic operated valve（6）, the second pneumatic operated valve（7）, the first joint（8）, second
Joint（9）, the 3rd joint（10）, the 4th joint（11）Liquid guide flow component, first joint（8）, the second joint（9）、
3rd joint（10）, the 4th joint（11）For three way cock, first pneumatic operated valve（6）, the second pneumatic operated valve（7）It is equipped with into water
Mouthful（12）, outlet（13）, pressurization the mouth of a river（14）, first pneumatic operated valve（6）With the second pneumatic operated valve（7）The water inlet
（12）By the 4th joint（11）With water butt（15）Connection, the novel constant-pressure constant speed pump also includes pressure vessel
（16）, first pneumatic operated valve（6）With the second pneumatic operated valve（7）The outlet（13）By first joint（8）With institute
State pressure vessel（16）Connection, first pneumatic operated valve（6）With the second pneumatic operated valve（7）The pressurization mouth of a river（14）Pass through respectively
Second joint（9）With the 3rd joint（10）Connect with the pressure-applying unit；
Second joint（9）, the 3rd joint（10）It is connected to first pressure sensor（17）, second pressure sensor
（18）；
The piston mechanism includes piston body（30）, general obturating plug（31）, it is general plug envelope（32）, general back-up ring beyond the Great Wall（33）, general plug lower block
Circle（5）, the general obturating plug（31）With the piston body（30）Upper end be fixedly connected, it is described it is general plug envelope（32）, general back-up ring beyond the Great Wall
（33）, back-up ring under general plug（5）With the piston body（30）Socket, the general back-up ring beyond the Great Wall（33）Positioned at the general plug envelope（32）'s
Lower section, back-up ring under the general plug（5）Positioned at the general back-up ring beyond the Great Wall（33）Lower section.
2. a kind of novel constant-pressure constant speed pump according to claim 1, it is characterised in that the drive component includes worm gear snail
Bar deceleration device, contain leading screw（19）And set（20）Ball screw assembly, the leading screw（19）Upper end and the plunger rod（3）
Lower end be fixedly connected, the set（20）With the worm gear of the worm and gear speed-reduction apparatus（21）It is fixedly connected, the worm gear snail
The worm screw of bar deceleration device（22）With motor connection.
3. a kind of novel constant-pressure constant speed pump according to claim 1, it is characterised in that the novel constant-pressure constant speed pump is also wrapped
Include containing upper righting（23）, middle righting（24）, guide post（25）Guidance set, the upper righting（23）With the cylinder（2）
Lower end be fixedly connected, the middle righting（24）With the plunger rod（3）Lower end be fixedly connected, the upper righting（23）With institute
State frame（1）It is fixedly connected, the upper righting（23）With the guide post（25）It is fixedly connected the middle righting（24）With it is described
Guide post（25）Track connects.
4. a kind of novel constant-pressure constant speed pump according to claim 3, it is characterised in that the drive component includes worm gear snail
Bar deceleration device, contain leading screw（19）And set（20）Ball screw assembly, the leading screw（19）Upper end and the plunger rod（3）
Lower end be fixedly connected, the set（20）With the worm gear of the worm and gear speed-reduction apparatus（21）It is fixedly connected, the worm gear snail
The worm screw of bar deceleration device（22）With motor connection, the guide post（25）Upper end and the upper righting（23）It is fixedly connected,
The guide post（25）Lower end be fixedly connected with the housing of the worm and gear speed-reduction apparatus.
5. a kind of novel constant-pressure constant speed pump according to claim 4, it is characterised in that the guide post（25）Number be
3.
6. a kind of novel constant-pressure constant speed pump according to claim 4, it is characterised in that the guide post（25）Number be
4.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710065452.1A CN106593803B (en) | 2017-02-06 | 2017-02-06 | A kind of constant pressure constant speed pump |
| PCT/CN2018/074503 WO2018141235A1 (en) | 2017-02-06 | 2018-01-29 | Novel constant-pressure constant-speed pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710065452.1A CN106593803B (en) | 2017-02-06 | 2017-02-06 | A kind of constant pressure constant speed pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106593803A true CN106593803A (en) | 2017-04-26 |
| CN106593803B CN106593803B (en) | 2018-07-10 |
Family
ID=58586637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710065452.1A Active CN106593803B (en) | 2017-02-06 | 2017-02-06 | A kind of constant pressure constant speed pump |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106593803B (en) |
| WO (1) | WO2018141235A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107570508A (en) * | 2017-10-25 | 2018-01-12 | 江苏鑫贝诺冶金机械有限公司 | A kind of electrodynamic type pressurization purging system |
| CN107626701A (en) * | 2017-10-25 | 2018-01-26 | 江苏鑫贝诺冶金机械有限公司 | A kind of electrodynamic type depressurized system |
| CN107661891A (en) * | 2017-10-25 | 2018-02-06 | 江苏鑫贝诺冶金机械有限公司 | A kind of electrodynamic type compression system |
| WO2018141235A1 (en) * | 2017-02-06 | 2018-08-09 | 江苏拓创科研仪器有限公司 | Novel constant-pressure constant-speed pump |
| CN110410290A (en) * | 2019-08-27 | 2019-11-05 | 江苏拓创科研仪器有限公司 | A kind of constant speed and constant pressure pump installation |
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| CN106593803B (en) * | 2017-02-06 | 2018-07-10 | 江苏拓创科研仪器有限公司 | A kind of constant pressure constant speed pump |
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2018
- 2018-01-29 WO PCT/CN2018/074503 patent/WO2018141235A1/en active Application Filing
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| CN201425008Y (en) * | 2008-11-06 | 2010-03-17 | 钱如树 | Constant-speed and constant-pressure metering pump |
| CN103954731A (en) * | 2013-08-02 | 2014-07-30 | 西南石油大学 | Device for simulating influence of dry layer on oil displacement efficiency in water injection process |
| CN203730239U (en) * | 2014-03-19 | 2014-07-23 | 江苏珂地石油仪器有限公司 | Constant-pressure constant-speed pump |
| CN204532307U (en) * | 2015-04-28 | 2015-08-05 | 滕洪达 | A kind of constant voltage constant speed pump |
| CN105223101A (en) * | 2015-09-22 | 2016-01-06 | 海安华达石油仪器有限公司 | A kind of High Temperature High Pressure in-place oil physical property analysis system |
| CN206539464U (en) * | 2017-02-06 | 2017-10-03 | 江苏拓创科研仪器有限公司 | A kind of novel constant-pressure constant speed pump |
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| WO2018141235A1 (en) * | 2017-02-06 | 2018-08-09 | 江苏拓创科研仪器有限公司 | Novel constant-pressure constant-speed pump |
| CN107570508A (en) * | 2017-10-25 | 2018-01-12 | 江苏鑫贝诺冶金机械有限公司 | A kind of electrodynamic type pressurization purging system |
| CN107626701A (en) * | 2017-10-25 | 2018-01-26 | 江苏鑫贝诺冶金机械有限公司 | A kind of electrodynamic type depressurized system |
| CN107661891A (en) * | 2017-10-25 | 2018-02-06 | 江苏鑫贝诺冶金机械有限公司 | A kind of electrodynamic type compression system |
| CN110410290A (en) * | 2019-08-27 | 2019-11-05 | 江苏拓创科研仪器有限公司 | A kind of constant speed and constant pressure pump installation |
Also Published As
| Publication number | Publication date |
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| WO2018141235A1 (en) | 2018-08-09 |
| CN106593803B (en) | 2018-07-10 |
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