CN108730152A - A kind of small flow cryogenic liquid plunger pump - Google Patents
A kind of small flow cryogenic liquid plunger pump Download PDFInfo
- Publication number
- CN108730152A CN108730152A CN201810349150.1A CN201810349150A CN108730152A CN 108730152 A CN108730152 A CN 108730152A CN 201810349150 A CN201810349150 A CN 201810349150A CN 108730152 A CN108730152 A CN 108730152A
- Authority
- CN
- China
- Prior art keywords
- electromagnetism
- cylinder body
- way valve
- guide rail
- cylinder
- 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.)
- Pending
Links
Classifications
-
- 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
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- 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
-
- 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
- F04B53/162—Adaptations of cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
This application discloses a kind of small flow cryogenic liquid plunger pumps, including cylinder body, permanent magnetic piston is equipped in cylinder body, guide rail is equipped on the outside of cylinder body, be slidably connected sliding block on guide rail, in sliding block side mating connection electromagnetic driver, the cylinder for driving sliding block to be slided on guide rail is additionally provided on the outside of cylinder body, the intermediary interface of the first electromagnetism two-position three-way valve is connected by the first connecting tube in cylinder body one end, one of first electromagnetism two-position three-way valve side orifice to feed liquor is responsible for, another side orifice of first electromagnetism two-position three-way valve is responsible for liquid is gone out, the intermediary interface of the second electromagnetism two-position three-way valve is connected by the second connecting tube in the cylinder body other end, one of second electromagnetism two-position three-way valve side orifice to feed liquor is responsible for, another side orifice of second electromagnetism two-position three-way valve is responsible for liquid is gone out.The advantages of the application：This plunger pump is simple for process, and area occupied is small, and manufacture, operation, maintenance cost are relatively low, suitable for promoting the use of.
Description
Technical field
This application involves LNG technical field of transportation, more particularly to a kind of small flow cryogenic liquid plunger pump.
Background technology
LNG is also referred to as the abbreviation of liquefied natural gas (liquefied natural gas), LNG- full name (liquefied
Natural gas), it is that natural gas (methane CH4) (- 162 DEG C, atmospheric pressure) under purified and ultra low temperature state is cooling
Liquefied product.Existing LNG transports are all made of LNG tank wagons, and LNG is general, and transportation range is longer, and general LNG tank wagons are adopted
Offer energy is carried out with LNG, goes to refuel again without parking in transportational process, self-sufficiency is reached certainly by the LNG in LNG storage tank
Foot.In the prior art, it is typically pressurized by the BOG gases to output in LNG storage tank and is back to storage tank again, increase LNG
Pressure in storage tank is injected LNG in the liquid reserve tank of LNG tank cars.This mode effect is bad, and is wasted seriously to LNG, and one
Secondary property can not fill the liquid reserve tank of tank car, it is desired nonetheless to which often parking is fed.Therefore how efficiently will be in LNG storage tank
LNG injection tank car liquid reserve tank be a urgent problem to be solved, by retrieval, do not find such the relevant technologies.
Invention content
The purpose of the application is and a kind of small flow cryogenic liquid proposed in order to solve disadvantage existing in the prior art
Plunger pump.
To achieve the goals above, the application uses following technical solution：
A kind of small flow cryogenic liquid plunger pump, it is characterised in that：Including cylinder body, permanent magnetic piston is equipped in cylinder body, forever
Magnetic piston can slide in cylinder body, and guide rail is equipped on the outside of cylinder body, and be slidably connected sliding block on guide rail, coordinate in sliding block side
Electromagnetic driver is connected, electromagnetic driver setting corresponding with the permanent magnetic piston is additionally provided on the outside of cylinder body for driving cunning
The cylinder that block slides on guide rail；
The intermediary interface of the first electromagnetism two-position three-way valve, the first electromagnetism two are connected by the first connecting tube in cylinder body one end
One of triple valve side interface is connected to feed liquor supervisor by the first feed liquor branch pipe, and the first electromagnetism two-position three-way valve is in addition
One side interface goes out liquid branch pipe by first and is connected to out liquid supervisor；
The intermediary interface of the second electromagnetism two-position three-way valve, the second electromagnetism two are connected by the second connecting tube in the cylinder body other end
One of position three-way valve side interface by the second feed liquor branch pipe be connected to feed liquor supervisor, the second electromagnetism two-position three-way valve it is another
An outer side interface goes out liquid branch pipe by second and is connected to out liquid supervisor.
Preferably, the cylinder body includes cylinder, is equipped with flange at cylinder both ends, is connected on the outside of each flange
Baffle, is equipped with centre bore at the center of each baffle, and first connecting tube is separately positioned on second connecting tube
In centre bore corresponding thereto.
Preferably, the guide rail is fixedly connected between two block baffles, and guide rail is square rail.
Preferably, further include controller, controller controls the first electromagnetism two-position three-way valve of connection by signal wire respectively
The conversion of valve position, the valve position conversion of the second electromagnetism two-position three-way valve, the break-make of electromagnetic driver and cylinder piston rod it is flexible.
The advantages of the application, is：This plunger pump is simple for process, and area occupied is small, and manufacture, operation, maintenance cost are relatively low,
It is suitble to long-term operation, it is good to LNG supercharging effects, LNG can be directly pressurized in the liquid reserve tank of injection tank car, is no longer needed to LNG
It is pressurized again after changing into BOG, the waste of LNG is greatly saved, by automatic controller, can realize the plunger pump oneself
It is dynamic to be turned into industry, blank in the prior art is compensated for, suitable for promoting the use of.
Description of the drawings
Fig. 1 is a kind of process flow diagram of small flow cryogenic liquid plunger pump provided herein；
Fig. 2 is the permanent magnetism attachment structure schematic diagram of cylinder body and piston.
Specific implementation mode
It is with reference to the accompanying drawings and embodiments, right in order to make the object, technical solution and advantage of the application be more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, and
It is not used in restriction the application.
As depicted in figs. 1 and 2, a kind of small flow cryogenic liquid plunger pump provided by the present application includes cylinder body 1, the cylinder body
1 includes cylinder 1.1, and flange 1.2 is welded and fixed at 1.1 both ends of cylinder, passes through corresponding bolt in 1.2 outside of each flange
It is fixedly connected with baffle 1.3 with nut, centre bore 1.4 is equipped at the center of each baffle 1.3.
It is connected in the first electromagnetism two-position three-way valve 3 by the first connecting tube 3.1 at the centre bore 1.4 of 1 one end of cylinder body
Interface, one of first electromagnetism two-position three-way valve 3 side interface are connected to feed liquor supervisor 5 by the first feed liquor branch pipe 5.1,
Another side interface of first electromagnetism two-position three-way valve 3 goes out liquid branch pipe 6.1 by first and is connected to out liquid supervisor 6.
The second electromagnetism two-position three-way valve 4 is connected by the second connecting tube 4.1 at the centre bore 1.4 of 1 other end of cylinder body
Intermediary interface, one of second electromagnetism two-position three-way valve 4 side interface are connected to feed liquor by the second feed liquor branch pipe 5.2 and are responsible for
5, another side interface of the second electromagnetism two-position three-way valve 4 goes out liquid branch pipe 6.2 by second and is connected to out liquid supervisor 6.
Permanent magnetic piston 2 is equipped in cylinder 1.1, permanent magnetic piston 2 can reciprocatingly slide in cylinder 1.1, in 1 outside of cylinder body
Equipped with guide rail 7, guide rail 7 is fixedly connected between two block baffles 1.3, and guide rail 7 is square rail.Be slidably connected cunning on guide rail 7
Block is fixedly connected with electromagnetic driver 8 in sliding block side by installation bolt, and electromagnetic driver 8 is corresponding with the permanent magnetic piston 2
Setting, and electromagnetic driver 8 can control permanent magnetic piston 2 and reciprocatingly slide in cylinder 1.1, be additionally provided with and be used in 1 outside of cylinder body
The cylinder that driving sliding block slides on guide rail 7, cylinder is horizontally disposed, and the pedestal of cylinder is fixed on connecting plate by fixing bolt
On, connecting plate is welded on one of flange, and the piston rod of cylinder is hingedly fixed with sliding block, and sliding block, cylinder, connecting plate are not
It draws in the accompanying drawings.
A kind of small flow cryogenic liquid plunger pump provided by the present application further includes controller, and controller uses the prior art,
Controller controls the valve position conversion of the first electromagnetism two-position three-way valve 3 of connection, the second electromagnetism two-position three-way valve 4 by signal wire respectively
The conversion of valve position, the break-make of electromagnetic driver 8 and cylinder piston rod it is flexible.
When in use, feed liquor supervisor 5 is connected with the liquid outlet of the LNG storage tank of tank car, liquid supervisor 6 and tank car will be gone out
The filler of liquid reserve tank is connected, and connection finishes mouth, in conjunction with Fig. 1, is slided on guide rail 7 by cylinder band movable slider, to drive
Electromagnetic driver 8 is slided along guide rail 7, and electromagnetic driver 8 controls permanent magnetic piston 2 and is moved in pipe 1.1 close to the first electromagnetism
At two-position three-way valve 3, at this moment, the first electromagnetism two-position three-way valve 3 is controlled by controller and opens the first feed liquor branch pipe 5.1 and first
3.1 valve position of connecting tube, and control the first electromagnetism two-position three-way valve 3 closing first and go out 6.1 valve position of liquid branch pipe；Pass through controller simultaneously
It controls the second electromagnetism two-position three-way valve 4 and opens the second valve position for going out liquid branch pipe 6.2 and the second connecting tube 4.1, and control the second electricity
Magnetic two-position three-way valve 4 closes 5.2 valve position of the second feed liquor branch pipe, then controls cylinder and sliding block is pushed to be slided on guide rail 7, to drive
Electromagnetic driver 8 is slided along guide rail 7, and electromagnetic driver 8 can drive permanent magnetic piston 2 to be moved in pipe 1.1 while movement, when
During permanent magnetic piston 2 is moved to the other end in pipe 1.1 by 3 one end of the first electromagnetism two-position three-way valve, by pipe 1.1
Liquid is pressurized, and is gone out liquid branch pipe 6.2 by second and be delivered to out in liquid supervisor 6.
After permanent magnetic piston 2 is moved to the other end in pipe 1.1 by 3 one end of the first electromagnetism two-position three-way valve, pass through control
Device processed controls the valve position that the second electromagnetism two-position three-way valve 4 opens the second feed liquor branch pipe 5.2 and the second connecting tube 4.1, and control the
Two electromagnetism two-position three-way valves 4 close second and go out 6.2 valve position of liquid branch pipe, while controlling the first electromagnetism two-position three-way valve by controller
3, which open first, goes out 3.1 valve position of liquid branch pipe 6.1 and the first connecting tube, and controls the first electromagnetism two-position three-way valve 3 and close the first feed liquor
5.1 valve position of branch pipe.Permanent magnetic piston 2 is moved in pipe 1.1 by 4 one end of the second electromagnetism two-position three-way valve by above-mentioned action again
The other end.
Claims (4)
1. a kind of small flow cryogenic liquid plunger pump, it is characterised in that：Including cylinder body (1), permanent magnetic piston is equipped in cylinder body (1)
(2), permanent magnetic piston (2) can slide in cylinder body (1), and guide rail (7) is equipped on the outside of cylinder body (1), the company of sliding on guide rail (7)
Sliding block is connect, in sliding block side mating connection electromagnetic driver (8), electromagnetic driver (8) is corresponding with the permanent magnetic piston (2) to be set
It sets, the cylinder for driving sliding block to be slided on guide rail (7) is additionally provided on the outside of cylinder body (1)；
Cylinder body (1) one end by the first connecting tube (3.1) connect the first electromagnetism two-position three-way valve (3) intermediary interface, first
One of electromagnetism two-position three-way valve (3) side interface is connected to feed liquor by the first feed liquor branch pipe (5.1) and is responsible for (5), and first
Another side interface of electromagnetism two-position three-way valve (3) goes out liquid branch pipe (6.1) by first and is connected to out liquid supervisor (6)；
The intermediary interface of the second electromagnetism two-position three-way valve (4) is connected by the second connecting tube (4.1) in cylinder body (1) other end, the
One of two electromagnetism two-position three-way valves (4) side interface is connected to feed liquor by the second feed liquor branch pipe (5.2) and is responsible for (5), the
Another side interface of two electromagnetism two-position three-way valves (4) goes out liquid branch pipe (6.2) by second and is connected to out liquid supervisor (6).
2. a kind of small flow cryogenic liquid plunger pump according to claim 1, it is characterised in that：The cylinder body (1) includes
Cylinder (1.1) is equipped with flange (1.2) at cylinder (1.1) both ends, and be connected baffle on the outside of each flange (1.2)
(1.3), centre bore (1.4), first connecting tube (3.1) and described second are equipped at the center of each baffle (1.3)
Connecting tube (4.1) is separately positioned in centre bore (1.4) corresponding thereto.
3. a kind of small flow cryogenic liquid plunger pump according to claim 2, it is characterised in that：The guide rail (7) is fixed
It is connected between two block baffles (1.3), guide rail (7) is square rail.
4. a kind of small flow cryogenic liquid plunger pump according to claim 1, it is characterised in that：Further include controller, control
Device processed controls the valve position conversion of the first electromagnetism two-position three-way valve (3) of connection, the second electromagnetism two-position three-way valve by signal wire respectively
(4) valve position conversion, the break-make of electromagnetic driver (8) and cylinder piston rod it is flexible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810349150.1A CN108730152A (en) | 2018-04-18 | 2018-04-18 | A kind of small flow cryogenic liquid plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810349150.1A CN108730152A (en) | 2018-04-18 | 2018-04-18 | A kind of small flow cryogenic liquid plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108730152A true CN108730152A (en) | 2018-11-02 |
Family
ID=63939730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810349150.1A Pending CN108730152A (en) | 2018-04-18 | 2018-04-18 | A kind of small flow cryogenic liquid plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108730152A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2431102A1 (en) * | 1974-06-28 | 1976-01-22 | Willy Reuter | Hydraulic high pressure converter - has piston rod guide rail set provided with poles to produce electromagnetic fields |
| CN1067481A (en) * | 1991-05-31 | 1992-12-30 | 金庆珷 | Plunger pump |
| CN201306258Y (en) * | 2008-12-11 | 2009-09-09 | 中北大学 | Two-way magnetic force driving pump |
| CN202789375U (en) * | 2012-07-27 | 2013-03-13 | 徐荣兰 | Electromagnetic type linear piston pump |
| CN205503383U (en) * | 2016-04-18 | 2016-08-24 | 河南工程学院 | But long cylinder body electromagnetic pump of multistage direct current of pressure regulating |
| WO2016207211A1 (en) * | 2015-06-26 | 2016-12-29 | Bode Chemie Gmbh | Dosing device with fluid-side module and a dry module |
| CN206111514U (en) * | 2016-10-17 | 2017-04-19 | 中国科学院地球化学研究所 | Electronic force (forcing) pump of servo control |
| CN206785581U (en) * | 2017-03-18 | 2017-12-22 | 西南石油大学 | A kind of single-cylinder dual-action magnetic drive pump |
-
2018
- 2018-04-18 CN CN201810349150.1A patent/CN108730152A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2431102A1 (en) * | 1974-06-28 | 1976-01-22 | Willy Reuter | Hydraulic high pressure converter - has piston rod guide rail set provided with poles to produce electromagnetic fields |
| CN1067481A (en) * | 1991-05-31 | 1992-12-30 | 金庆珷 | Plunger pump |
| CN201306258Y (en) * | 2008-12-11 | 2009-09-09 | 中北大学 | Two-way magnetic force driving pump |
| CN202789375U (en) * | 2012-07-27 | 2013-03-13 | 徐荣兰 | Electromagnetic type linear piston pump |
| WO2016207211A1 (en) * | 2015-06-26 | 2016-12-29 | Bode Chemie Gmbh | Dosing device with fluid-side module and a dry module |
| CN205503383U (en) * | 2016-04-18 | 2016-08-24 | 河南工程学院 | But long cylinder body electromagnetic pump of multistage direct current of pressure regulating |
| CN206111514U (en) * | 2016-10-17 | 2017-04-19 | 中国科学院地球化学研究所 | Electronic force (forcing) pump of servo control |
| CN206785581U (en) * | 2017-03-18 | 2017-12-22 | 西南石油大学 | A kind of single-cylinder dual-action magnetic drive pump |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181102 |