CN103758722A - Hydraulic drive type water injection pump - Google Patents

Hydraulic drive type water injection pump Download PDF

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Publication number
CN103758722A
CN103758722A CN201410003955.2A CN201410003955A CN103758722A CN 103758722 A CN103758722 A CN 103758722A CN 201410003955 A CN201410003955 A CN 201410003955A CN 103758722 A CN103758722 A CN 103758722A
Authority
CN
China
Prior art keywords
cylinder
oil
water injection
pump
way valve
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
Application number
CN201410003955.2A
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Chinese (zh)
Inventor
田志龙
苏养元
汪军平
张飞燕
高云峰
刘海峰
李亚莉
王文斌
李毅
周永东
李路佳
张夏妮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xi'an Kunlun Hydraulic Transmission Machinery Factory
Original Assignee
Xi'an Kunlun Hydraulic Transmission Machinery Factory
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xi'an Kunlun Hydraulic Transmission Machinery Factory filed Critical Xi'an Kunlun Hydraulic Transmission Machinery Factory
Priority to CN201410003955.2A priority Critical patent/CN103758722A/en
Publication of CN103758722A publication Critical patent/CN103758722A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a hydraulic drive type water injection pump. By the aid of the hydraulic drive type water injection pump, the technical problem of low work efficiency of an existing multistage centrifugal pump can be solved. The technical scheme includes that one end of an oil suction pipe P is connected with a cylinder A of master cylinders by an electro-hydraulic reversing valve, the cylinder A is connected with a water inlet and drain device by a water injection cylinder, the other end of the oil suction pipe P is connected with an oil outlet end of a constant-power plunger pump by a check valve B, and an oil inlet end of the constant-power plunger pump is connected into an oil tank by an oil suction filter; one end of an oil return pipe T is connected with a cylinder B of the master cylinders, the cylinder B is connected with the water inlet and drain device by another water injection cylinder, and the other end of the oil return pipe T is connected into the oil tank by a check valve A. The hydraulic drive type water injection pump has the advantages that the cylinder A and the cylinder B work in a reciprocating circulation manner, so that pistons of the master cylinders can be pushed to drive the water inlet and drain device to continuously suck water and drain water, and the work efficiency of the water injection pump can be improved.

Description

Hydraulic-driven water injection pump
Technical field
The present invention relates to a kind of water injection pump, particularly a kind of hydraulic-driven water injection pump.
Background technique
With reference to Fig. 2.The water injection pump of existing water supercharging equipment comprises that multistage centrifugal pump 1, motor 2, A feed water pump 3, pond 4, water inlet 5, B hello water pump 6 and return pipe 7.Feeding water pump has two, is respectively that A feeds water pump 3 and B hello 6, one, water pump is standby.During work, it is standby that B feeds water pump 6, and A feeds water pump 3 and draws water from pond 4, by water inlet 5, enters multistage centrifugal pump 1, and multistage centrifugal pump 1 injects water underground under the driving of motor 2.Return pipe 7 is connected between water inlet 5 and pond 4.Multistage centrifugal pump is realized water is carried out to supercharging and conveying by one-level one-level, therefore energy loss is larger, whole efficiency is low, and along with the aggravation of corrosion of blade and wearing and tearing, whole efficiency can continue to decline; The blade of multistage centrifugal pump all the time under high pressure with water generation erosion, be easy to produce burn into wearing and tearing, life-span short, and internal structure complexity, installation precision requires high, the parts such as inner blade, bearing easily lost efficacy, once lost efficacy all to change, cause maintenance and maintenance workload is large, cost is high.
Summary of the invention
In order to overcome the ineffective deficiency of existing multistage centrifugal pump.The invention provides a kind of hydraulic-driven water injection pump, one end of this device fuel sucking pipe P is connected with the A oil cylinder of master cylinder by electro-hydraulic reversing valve, A oil cylinder is connected with feeding/discharging device by water filling cylinder, the other end of fuel sucking pipe P is connected with the oil outlet end of permanent output plunger pump by B one-way valve, and the oil inlet end of permanent output plunger pump accesses fuel tank by oil-suction oil filter.One end of return tube T is connected with the B oil cylinder of master cylinder, and B oil cylinder is connected with feeding/discharging device by another water filling cylinder, and the other end of return tube T is by A one-way valve access fuel tank.Due to A oil cylinder and the periodic duty of B oil cylinder reciprocating, promote main oil cylinder piston and drive feeding/discharging device to realize water suction and draining continuously, can improve the working efficiency of water injection pump.
The technical solution adopted for the present invention to solve the technical problems is: a kind of hydraulic-driven water injection pump, is characterized in comprising oil-suction oil filter 1, permanent output plunger pump 2, threephase asynchronous 3, pressure meter switch 4, pressure gauge 5, A one-way valve 6, electro-hydraulic reversing valve 7, master cylinder 8, water filling cylinder 9, relief valve 10, fuel tank 11, cooler 12, B one-way valve 13, return oil filter 14 and feeding/discharging device 15.One end of fuel sucking pipe P is connected with the A oil cylinder of master cylinder 8 by electro-hydraulic reversing valve 7, A oil cylinder is connected with feeding/discharging device 15 by water filling cylinder 9, the other end of fuel sucking pipe P is connected with the oil outlet end of permanent output plunger pump 2 by B one-way valve 13, and the oil inlet end of permanent output plunger pump 2 accesses fuel tank 11 by oil-suction oil filter 1.Permanent output plunger pump 2 is driven by threephase asynchronous 3.On fuel sucking pipe P between B one-way valve 13 and permanent output plunger pump 2, be connected with pressure gauge 5 and relief valve 10, the other end of relief valve 10 is connected on the return tube T between A one-way valve 6 and the B oil cylinder of master cylinder 8, and the return tube T between one end of A one-way valve 6 and the B oil cylinder of master cylinder 8 accesses fuel tank 11 by cooler 12 and return oil filter 14.Pressure gauge 5 is by pressure meter switch 4 control switchs.One end of return tube T is connected with the B oil cylinder of master cylinder 8 by electro-hydraulic reversing valve 7, and B oil cylinder is connected with feeding/discharging device 15 by another water filling cylinder 9, and the other end of return tube T accesses fuel tank 11 by A one-way valve 6.
The invention has the beneficial effects as follows: one end of this device fuel sucking pipe P is connected with the A oil cylinder of master cylinder by electro-hydraulic reversing valve, A oil cylinder is connected with feeding/discharging device by water filling cylinder, the other end of fuel sucking pipe P is connected with the oil outlet end of permanent output plunger pump by B one-way valve, and the oil inlet end of permanent output plunger pump accesses fuel tank by oil-suction oil filter.One end of return tube T is connected with the B oil cylinder of master cylinder, and B oil cylinder is connected with feeding/discharging device by another water filling cylinder, and the other end of return tube T is by A one-way valve access fuel tank.Due to A oil cylinder and the periodic duty of B oil cylinder reciprocating, promote main oil cylinder piston and drive feeding/discharging device to realize water suction and draining continuously, improved the working efficiency of water injection pump.
Below in conjunction with the drawings and specific embodiments, the present invention is elaborated.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of hydraulic-driven water injection pump of the present invention.
In figure, 1-oil-suction oil filter, the permanent output plunger pump of 2-, 3-threephase asynchronous, 4-pressure meter switch, 5-pressure gauge, 6-one-way valve, 7-electro-hydraulic reversing valve, 8-master cylinder, 9-water filling cylinder, 10-relief valve, 11-fuel tank, 12-cooler, 13-one-way valve, 14-return oil filter, 15-feeding/discharging device, P-fuel sucking pipe, T-return tube.
Fig. 2 is the schematic diagram of background technique water injection equipment.
In figure, 1-multistage centrifugal pump, 2-motor, 3-A feeds water pump, 4-pond, 5-water inlet, 6-B feeds water pump, 7-return pipe.
Embodiment
With reference to Fig. 1.Hydraulic-driven water injection pump of the present invention comprises oil-suction oil filter 1, permanent output plunger pump 2, threephase asynchronous 3, pressure meter switch 4, pressure gauge 5, A one-way valve 6, electro-hydraulic reversing valve 7, master cylinder 8, water filling cylinder 9, relief valve 10, fuel tank 11, cooler 12, B one-way valve 13, return oil filter 14 and feeding/discharging device 15.One end of fuel sucking pipe P is connected with the A oil cylinder of master cylinder 8 by electro-hydraulic reversing valve 7, A oil cylinder is connected with feeding/discharging device 15 by water filling cylinder 9, the other end of fuel sucking pipe P is connected with the oil outlet end of permanent output plunger pump 2 by B one-way valve 13, and the oil inlet end of permanent output plunger pump 2 accesses fuel tank 11 by oil-suction oil filter 1.Permanent output plunger pump 2 is driven by threephase asynchronous 3.On fuel sucking pipe P between B one-way valve 13 and permanent output plunger pump 2, be connected with pressure gauge 5 and relief valve 10, the other end of relief valve 10 is connected on the return tube T between A one-way valve 6 and the B oil cylinder of master cylinder 8, and the return tube T between one end of A one-way valve 6 and the B oil cylinder of master cylinder 8 accesses fuel tank 11 by cooler 12 and return oil filter 14.Pressure gauge 5 is by pressure meter switch 4 control switchs.One end of return tube T is connected with the B oil cylinder of master cylinder 8 by electro-hydraulic reversing valve 7, and B oil cylinder is connected with feeding/discharging device 15 by another water filling cylinder 9, and the other end of return tube T accesses fuel tank 11 by A one-way valve 6.
Threephase asynchronous 3 drives permanent output plunger pump 2 to rotate and oil suction from fuel tank 11, now electro-hydraulic reversing valve 7 left end electromagnet energisings, and the fluid that permanent output plunger pump 2 pumps enters 7 left conductings of electro-hydraulic reversing valve, and fluid enters the left chamber of A oil cylinder of master cylinder 8.The piston of A oil cylinder moves to right, and the oil return of A oil cylinder enters B right cavity of cylinder, and the piston that promotes B oil cylinder moves to left, and the oil return of B oil cylinder is flowed back to fuel tank through the left position of electro-hydraulic reversing valve 7 by A one-way valve 6.When A oil cylinder drives water filling cylinder piston movement to end of travel sensing station, sensor sends signal, the power-off of electrical equipment control left end solenoid valve, the energising of right-hand member solenoid valve, electro-hydraulic reversing valve 7 commutates, right position conducting, and the left position conducting of the fluid flow direction and piston movement direction and solenoid valve is contrary.When B oil cylinder drives water filling cylinder piston movement to end of travel sensing station, sensor sends signal, the power-off of electrical equipment control right-hand member solenoid valve, and the energising of left end solenoid valve, electro-hydraulic reversing valve 7 commutates, left position conducting again.
Due to A oil cylinder and the periodic duty of B oil cylinder reciprocating, promote main oil cylinder piston and drive feeding/discharging device to realize water suction and draining continuously, improved the working efficiency of water injection pump.
Equipment adopts PLC control technique, makes that hydraulic injection pump can realize that hydraulic system pressure is too high, the liquid level of hydraulic oil container, liquid temperature, the commutation of hydraulic jack, water injection pressure cross high situation alarm or autostop, makes that this function is reliable, orderly function.

Claims (4)

1. a hydraulic-driven water injection pump, is characterized in that: comprise oil-suction oil filter (1), permanent output plunger pump (2), threephase asynchronous (3), A one-way valve (6), electro-hydraulic reversing valve (7), master cylinder (8), water filling cylinder (9), fuel tank (11), B one-way valve (13) and feeding/discharging device (15); One end of fuel sucking pipe P is connected with the A oil cylinder of master cylinder (8) by electro-hydraulic reversing valve (7), A oil cylinder is connected with feeding/discharging device (15) by water filling cylinder (9), the other end of fuel sucking pipe P is connected with the oil outlet end of permanent output plunger pump (2) by B one-way valve (13), and the oil inlet end of permanent output plunger pump (2) is by oil-suction oil filter (1) access fuel tank (11); Permanent output plunger pump (2) is driven by threephase asynchronous (3); One end of return tube T is connected with the B oil cylinder of master cylinder (8) by electro-hydraulic reversing valve (7), and B oil cylinder is connected with feeding/discharging device (15) by another water filling cylinder (9), and the other end of return tube T is by A one-way valve (6) access fuel tank (11).
2. hydraulic-driven water injection pump according to claim 1, it is characterized in that: also comprise pressure meter switch (4), pressure gauge (5), pressure gauge (5) is connected on the fuel sucking pipe P between B one-way valve (13) and permanent output plunger pump (2) by pressure meter switch (4).
3. hydraulic-driven water injection pump according to claim 1, it is characterized in that: also comprise relief valve (10), one end of relief valve (10) is connected on the fuel sucking pipe P between B one-way valve (13) and permanent output plunger pump (2), and the other end of relief valve (10) is connected on the return tube T between A one-way valve (6) and the B oil cylinder of master cylinder (8).
4. hydraulic-driven water injection pump according to claim 1, it is characterized in that: also comprise cooler (12) and return oil filter (14), the return tube T between one end of A one-way valve (6) and the B oil cylinder of master cylinder (8) is by cooler (12) and return oil filter (14) access fuel tank (11).
CN201410003955.2A 2014-01-06 2014-01-06 Hydraulic drive type water injection pump Pending CN103758722A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410003955.2A CN103758722A (en) 2014-01-06 2014-01-06 Hydraulic drive type water injection pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410003955.2A CN103758722A (en) 2014-01-06 2014-01-06 Hydraulic drive type water injection pump

Publications (1)

Publication Number Publication Date
CN103758722A true CN103758722A (en) 2014-04-30

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104500362A (en) * 2014-09-15 2015-04-08 成都烃源科技有限责任公司 Pressurization and mixed transportation process and device of gas field well station
CN106286191A (en) * 2015-05-14 2017-01-04 天津碧宇舟机械制造有限公司 A kind of with the hydraulic slurry pump suppressing pump pump trip device
CN108953089A (en) * 2018-08-02 2018-12-07 日昌升集团有限公司 A kind of high-pressure slurry drug delivery pump system and method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59226287A (en) * 1983-06-06 1984-12-19 Kyokuto Kaihatsu Kogyo Co Ltd Hydraulic pressure operating device of piston pump for sending fluid body by pressure
CN2578548Y (en) * 2002-10-15 2003-10-08 吴利文 Hydraulic reciprocal sludge pumps
CN101078395A (en) * 2007-06-21 2007-11-28 吕权 Highly effective hydraulic drive fluid pump
CN201246291Y (en) * 2008-06-16 2009-05-27 天津市蓬拓科技有限公司 Parallel type hydraulic water pump
CN203702476U (en) * 2014-01-06 2014-07-09 西安昆仑液压传动机械厂 Water injection pump

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59226287A (en) * 1983-06-06 1984-12-19 Kyokuto Kaihatsu Kogyo Co Ltd Hydraulic pressure operating device of piston pump for sending fluid body by pressure
CN2578548Y (en) * 2002-10-15 2003-10-08 吴利文 Hydraulic reciprocal sludge pumps
CN101078395A (en) * 2007-06-21 2007-11-28 吕权 Highly effective hydraulic drive fluid pump
CN201246291Y (en) * 2008-06-16 2009-05-27 天津市蓬拓科技有限公司 Parallel type hydraulic water pump
CN203702476U (en) * 2014-01-06 2014-07-09 西安昆仑液压传动机械厂 Water injection pump

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104500362A (en) * 2014-09-15 2015-04-08 成都烃源科技有限责任公司 Pressurization and mixed transportation process and device of gas field well station
CN106286191A (en) * 2015-05-14 2017-01-04 天津碧宇舟机械制造有限公司 A kind of with the hydraulic slurry pump suppressing pump pump trip device
CN108953089A (en) * 2018-08-02 2018-12-07 日昌升集团有限公司 A kind of high-pressure slurry drug delivery pump system and method

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Application publication date: 20140430