CN205445977U - Feed liquor valve prevents that row of burying adopts pump - Google Patents

Feed liquor valve prevents that row of burying adopts pump Download PDF

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Publication number
CN205445977U
CN205445977U CN201620214378.6U CN201620214378U CN205445977U CN 205445977 U CN205445977 U CN 205445977U CN 201620214378 U CN201620214378 U CN 201620214378U CN 205445977 U CN205445977 U CN 205445977U
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CN
China
Prior art keywords
pump barrel
liquid feed
plunger
feed valve
cavity
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.)
Withdrawn - After Issue
Application number
CN201620214378.6U
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Chinese (zh)
Inventor
王凤林
熊先钺
陈松鹤
冯堃
苗在朝
吴仕贵
黄红星
赵增平
庞斌
郑帅
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.)
DONGYING CHAOYANG PETROLEUM SCIENCE & TECHNOLOGY Co Ltd
China United Coalbed Methane Co Ltd
Petrochina Coalbed Methane Co Ltd
Original Assignee
DONGYING CHAOYANG PETROLEUM SCIENCE & TECHNOLOGY Co Ltd
China United Coalbed Methane Co Ltd
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 DONGYING CHAOYANG PETROLEUM SCIENCE & TECHNOLOGY Co Ltd, China United Coalbed Methane Co Ltd filed Critical DONGYING CHAOYANG PETROLEUM SCIENCE & TECHNOLOGY Co Ltd
Priority to CN201620214378.6U priority Critical patent/CN205445977U/en
Application granted granted Critical
Publication of CN205445977U publication Critical patent/CN205445977U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a drainage device that the gas mining well was used is a feed liquor valve prevents that row of burying adopts pump. Including last pump barrel, go up plunger, pump barrel, urceolus, plunger, liquid -out valve and liquid -in valve down, wherein the urceolus cover locate down the pump barrel the outside and leave toroidal cavity between urceolus and the lower pump barrel, the bottom of urceolus is equipped with the inlet, go up that the pump barrel sets up in the upper end of pump barrel and urceolus down and toroidal cavity and the lower pump barrel cavity that descends the pump barrel all communicate with the last pump barrel cavity of last pump barrel, go up plunger and plunger down respectively the holding go up plunger and plunger down and be hollow structure, and intercommunication each other in last pump barrel and pump barrel down, upward the upper end of plunger is equipped with the leakage fluid dram, the bottom of plunger is equipped with down the leakage fluid dram down, the flowing back valve sets up on the lower leakage fluid dram of plunger bottom under in, the feed liquor valve sets up on the inlet of urceolus bottom. The utility model discloses it is stifled to make the feed liquor valve can do not not buried by the buggy, prolongs the production cycle of water pumping gas production.

Description

A kind of liquid feed valve is anti-buries mining pump
Technical field
This utility model relates to the drainage arrangement of coal-bed gas exploitation well, and being that a kind of liquid feed valve is anti-buries mining pump.
Background technology
Space is not had between inlet valve and the piston of oil well pump of existing oil well pump, when a small amount of sand of inlet valve overburden or foreign material, oil inlet passage will be blocked and cause not oil-feed, make oil well pump non-productive work, oil well needs stopping production to change the pump fuel-displaced production of ability, need to increase operating cost and production suspension induced losses, cause serious through mistake of damaging due to crushing.
Existing oil well pump it is also adopted by its water pumping gas production, so there is also above-mentioned problem, it is simply that coal dust buries liquid feed valve, plugging fluid circulation road so that it is can not produce in coal-bed gas exploitation.In order to solve this problem, technical staff have studied the mining pump that some are new, such as Chinese patent 200920018816.1, entitled " preventing burying oil well pump ", it is simply that one of mining pump solving this problem.Under this pump when coal bed gas well water pumping gas production, it can make in the toroidal cavity that the coal dust between plunger and liquid feed valve sinks between oil inlet pipe and urceolus, but the limited volume of this cavity, when after heavy this portion cavity full of coal dust, coal dust also can bury liquid feed valve, it can only somewhat extend the little work time, it is impossible to is fully solved liquid feed valve and is buried stifled problem.
Utility model content
For the problems referred to above, the purpose of this utility model is to provide a kind of liquid feed valve to prevent burying mining pump.It is stifled that this mining pump makes liquid feed valve will not be buried by coal dust, extends the production cycle of water pumping gas production.
To achieve these goals, this utility model is by the following technical solutions:
A kind of liquid feed valve is anti-buries mining pump, including upper pump barrel, upper plug, lower pump barrel, urceolus, lower plunger, tapping valve and liquid feed valve, wherein,
Described urceolus is sheathed on the outside of lower pump barrel and leaves toroidal cavity between described urceolus and lower pump barrel, and the bottom of described urceolus is provided with inlet;
Described upper pump barrel is arranged at described lower pump barrel and all connects with the upper pump barrel cavity of described upper pump barrel with the lower pump barrel cavity of lower pump barrel with the upper end of urceolus and described toroidal cavity;
Described upper plug is placed in described upper pump barrel and described upper plug coordinates with the inner wall sealing of described upper pump barrel, and described upper plug is that the upper end of hollow structure and described upper plug is provided with leakage fluid dram;
Described lower plunger is placed in described lower pump barrel and described lower plunger coordinates with the inner wall sealing of described lower pump barrel, and described lower plunger is that the bottom of hollow structure and described lower plunger is provided with lower leakage fluid dram;
Described upper plug and lower plunger connect, and the internal cavity of described upper plug and lower plunger is interconnected;
Described tapping valve is arranged on the lower leakage fluid dram bottom described lower plunger;
Described liquid feed valve is arranged on the inlet bottom described urceolus.
The bottom of described lower pump barrel is provided with sieve tray, and described sieve tray is provided with multiple sieve aperture.
The upper end of described toroidal cavity is provided with linked hole, and described upper pump barrel cavity is connected by described linked hole with toroidal cavity.
Described linked hole is multiple and is circumferentially laid in the upper end of described toroidal cavity.
The diameter of described upper pump barrel is more than the diameter of lower pump barrel.
The diameter of described upper pump barrel is more than the diameter 6-18mm of described lower pump barrel.
Described upper plug and lower plunger are connected by the connecting rod with hollow structure, and the internal cavity of described connecting rod connects with the internal cavity of described upper plug and lower plunger, forms apocenosis passage.
The upper end of described upper plug is pyramidal structure, and described upper leakage fluid dram is multiple and is distributed on the conical surface of described upper plug upper end.
Described tapping valve and liquid feed valve are check valve.
The bottom of described lower plunger is provided with two lower leakage fluid drams, and each leakage fluid dram is respectively equipped with a described tapping valve.
Advantage of the present utility model and providing the benefit that:
Under this utility model when coal bed gas water pumping gas production, during upstroke, upper pump barrel cavity, the volume of lower pump barrel cavity increase, liquid feed valve is opened, well liquid, in liquid feed valve enters upper pump barrel cavity, lower pump barrel cavity, makes well liquid valve be washed, and coal dust will not bury stifled liquid feed valve;During down stroke, upper pump barrel cavity, the volume of lower pump barrel cavity reduces, liquid feed valve is closed, the well liquid of upper pump barrel cavity is from linked hole, toroidal cavity reflux is converged with the well liquid of lower pump barrel cavity through the top of liquid feed valve, discharge from two plunger body, owing to feed liquor also will be through the top of liquid feed valve, make liquid feed valve also can be washed, coal dust will not bury stifled liquid feed valve, therefore, this utility model can reach purpose of design, overcome the problem that prior art exists, when coal bed gas well carries out water pumping gas production, the production cycle of water pumping gas production can be extended, there is significant economic benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1 is upper pump barrel, 2 is upper plug, and 3 is upper pump barrel cavity, and 4 is linked hole, and 5 is lower pump barrel, and 6 is urceolus, and 7 is toroidal cavity, and 8 is lower plunger, and 9 is tapping valve, and 10 is lower pump barrel cavity, and 11 is sieve tray, and 12 is liquid feed valve, and 13 is upper leakage fluid dram, and 14 is connecting rod.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, with specific embodiment, this utility model is described in detail below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the present utility model.As shown in Figure 1, a kind of liquid feed valve that this utility model provides is anti-buries mining pump, including upper pump barrel 1, upper plug 2, lower pump barrel 5, urceolus 6, lower plunger 8, tapping valve 9 and liquid feed valve 12, wherein, described urceolus 6 is sheathed on the outside of lower pump barrel 5 and leaves toroidal cavity 7 between described urceolus 6 and lower pump barrel 5, the bottom of described urceolus 6 is provided with inlet, and described liquid feed valve 12 is arranged on the inlet bottom described urceolus 6.
Described upper pump barrel 1 is arranged at described lower pump barrel 5 and the upper end of urceolus 6 and described toroidal cavity 7, and all upper pump barrel cavitys 3 with described upper pump barrel 1 connect with the lower pump barrel cavity 10 of lower pump barrel 5.
Described upper plug 2 is placed in the described interior and described upper plug 2 of upper pump barrel 1 and coordinates with the inner wall sealing of described upper pump barrel 1, described upper plug 2 is that the upper end of hollow structure and described upper plug 2 is provided with leakage fluid dram 13, and the internal cavity of described upper plug 2 is connected by described upper leakage fluid dram 13 with the described upper pump barrel cavity 3 being positioned at above upper plug 2.
Described lower plunger 8 is placed in the described interior and described lower plunger 8 of lower pump barrel 5 and coordinates with the inner wall sealing of described lower pump barrel 5, described lower plunger 8 is that the bottom of hollow structure and described lower plunger 8 is provided with lower leakage fluid dram, and described tapping valve 9 is arranged on the lower leakage fluid dram bottom described lower plunger 8.
Described upper plug 2 and lower plunger 8 connect, and the internal cavity of described upper plug 2 and lower plunger 8 is interconnected.
The upper end of described toroidal cavity 7 is provided with linked hole 4, and described linked hole 4 makes the toroidal cavity 7 between the outer wall of lower pump barrel 5 and the inwall of urceolus 6 connect with described upper pump barrel cavity 3.
The bottom of described lower pump barrel 5 is provided with sieve tray 11, and described sieve tray 11 is provided with multiple sieve aperture, and described sieve aperture makes lower pump barrel cavity 10 and described toroidal cavity 7 UNICOM.Described sieve tray 11 acts the effect of the valve ball blocking tapping valve 9, the effect of Ye Qi UNICOM liquid stream.Described tapping valve 9 and liquid feed valve 12 are check valve.
The diameter of described upper pump barrel 1 is more than the diameter of lower pump barrel 5, it is therefore an objective to makes pump barrel cavity 3 have enough volumes, can play the effect washing away liquid feed valve 12.
In an embodiment of the present utility model, as shown in Figure 1, described upper pump barrel 1 and the integral structure that described lower pump barrel 5 is ladder shaft-like, the diameter of described upper pump barrel 1 is more than the diameter 6-18mm of described lower pump barrel 5, the upper pump barrel cavity 3 making described upper pump barrel 1 has enough volumes, can play the effect washing away liquid feed valve 12.
Described urceolus 6 is sheathed on the outside of lower pump barrel 5 and leaves toroidal cavity 7 between described urceolus 6 and lower pump barrel 5, the diameter of described urceolus 6 is less than the diameter of described upper pump barrel 1, the bottom of described urceolus 6 is provided with inlet, described liquid feed valve 12 is arranged on the inlet bottom described urceolus 6, and described liquid feed valve 12 is check valve.
The upper end of described toroidal cavity 7 is provided with the multiple linked holes 4 circumferentially laid, and the upper pump barrel cavity 3 of described upper pump barrel 1 is connected by multiple described linked holes 4 with toroidal cavity 7.
Described upper plug 2 and described lower plunger 8 are respectively contained in described upper pump barrel 1 and described lower pump barrel 5, and described upper plug 2 coordinates with the inner wall sealing of described upper pump barrel 1, and described lower plunger 8 coordinates with the inner wall sealing of described lower pump barrel 5.The diameter of described upper plug 2 is more than the diameter of described lower plunger 8, described upper plug 2 and described lower plunger 8 are hollow structure, described upper plug 2 and lower plunger 8 are connected by the connecting rod 14 with hollow structure, the internal cavity of described connecting rod 14 connects with the internal cavity of described upper plug 2 and lower plunger 8, forms apocenosis passage.
The upper end of described upper plug 2 is pyramidal structure, and the conical surface of this pyramidal structure is laid with multiple described upper leakage fluid dram 13, and the internal cavity of described upper plug 2 is connected by multiple described upper leakage fluid drams 13 with the described upper pump barrel cavity 3 being positioned at above upper plug 2.
The bottom of described lower plunger 8 is provided with the next one or two leakage fluid drams, and each described leakage fluid dram is separately installed with a described tapping valve 9, and described tapping valve 9 is check valve.
The bottom of described lower pump barrel 5 is provided with sieve tray 11, and described sieve tray 11 is provided with multiple sieve aperture, and multiple described sieve apertures make lower pump barrel cavity 10 and described toroidal cavity 7 UNICOM.Described sieve tray 11 acts the effect of the valve ball blocking tapping valve 9, the effect of Ye Qi UNICOM liquid stream.
Operation principle of the present utility model is:
Under this utility model when coal bed gas water pumping gas production, during upstroke, the volume of described upper pump barrel cavity 3 and described lower pump barrel cavity 10 increases, described liquid feed valve 12 is opened, well liquid is in described liquid feed valve 12 enters the toroidal cavity 7 between described lower pump barrel cavity 10 and the outer wall of described lower pump barrel 5 and the inwall of urceolus 6, well liquid in described toroidal cavity 7 is entered in described upper pump barrel cavity 3 by the described linked hole 4 of toroidal cavity 7 upper end, making described liquid feed valve 12 be washed, coal dust will not bury stifled liquid feed valve 12.
During down stroke, the volume of described upper pump barrel cavity 3 and lower pump barrel cavity 10 reduces, described liquid feed valve 12 is closed, well liquid in described upper pump barrel cavity 3 converges with the well liquid in lower pump barrel cavity 10 through the top of liquid feed valve 12 from linked hole 4, toroidal cavity 7 reflux, and discharges from described lower plunger 8 and upper plug 2 internal cavity.Owing to well liquid also to make liquid feed valve 12 also can be washed through the top of liquid feed valve 12, coal dust will not bury stifled liquid feed valve 12.
In sum, under this utility model when coal bed gas water pumping gas production, during upstroke, described liquid feed valve 12 is opened, and well liquid, in liquid feed valve 12 enters described upper pump barrel cavity 3 and lower pump barrel cavity 10, makes liquid feed valve 12 be washed, and coal dust will not bury stifled liquid feed valve;During down stroke, described liquid feed valve 12 is closed, well liquid in described upper pump barrel cavity 3 is from linked hole 4 and toroidal cavity 7 reflux, discharge from the internal cavity of described lower plunger 8 and described upper plug 2, owing to well liquid also will be through the top of liquid feed valve 12, making liquid feed valve 12 also can be washed, coal dust will not bury stifled liquid feed valve 12.Therefore, this utility model can reach to make liquid feed valve 12 be washed, and coal dust will not bury stifled liquid feed valve 12 purpose.This utility model overcomes the problem that prior art exists, and when coal bed gas well carries out water pumping gas production, can extend the production cycle of water pumping gas production, have significant economic benefit.
The foregoing is only embodiment of the present utility model, be not intended to limit protection domain of the present utility model.All made within spirit of the present utility model and principle any modification, equivalent substitution and improvement, extension etc., be all contained in protection domain of the present utility model.

Claims (10)

1. a liquid feed valve is prevented burying mining pump, it is characterized in that, including upper pump barrel (1), upper plug (2), lower pump barrel (5), urceolus (6), lower plunger (8), tapping valve (9) and liquid feed valve (12), wherein, described urceolus (6) is sheathed on the outside of lower pump barrel (5) and leaves toroidal cavity (7) between described urceolus (6) and lower pump barrel (5), and the bottom of described urceolus (6) is provided with inlet;
Described upper pump barrel (1) is arranged at described lower pump barrel (5) and all connects with the upper pump barrel cavity (3) of described upper pump barrel (1) with the lower pump barrel cavity (10) of lower pump barrel (5) with the upper end of urceolus (6) and described toroidal cavity (7);
Described upper plug (2) is placed in described upper pump barrel (1) and described upper plug (2) coordinates with the inner wall sealing of described upper pump barrel (1), and described upper plug (2) is that the upper end of hollow structure and described upper plug (2) is provided with leakage fluid dram (13);
Described lower plunger (8) is placed in described lower pump barrel (5) and described lower plunger (8) coordinates with the inner wall sealing of described lower pump barrel (5), and described lower plunger (8) is that the bottom of hollow structure and described lower plunger (8) is provided with lower leakage fluid dram;
Described upper plug (2) and lower plunger (8) connect, and the internal cavity of described upper plug (2) and lower plunger (8) is interconnected;
Described tapping valve (9) is arranged on the lower leakage fluid dram of described lower plunger (8) bottom;
Described liquid feed valve (12) is arranged on the inlet of described urceolus (6) bottom.
Liquid feed valve the most according to claim 1 is anti-buries mining pump, it is characterised in that the bottom of described lower pump barrel (5) is provided with sieve tray (11), and described sieve tray (11) is provided with multiple sieve aperture.
Liquid feed valve the most according to claim 1 is anti-buries mining pump, it is characterized in that, the upper end of described toroidal cavity (7) is provided with linked hole (4), and described upper pump barrel cavity (3) is connected by described linked hole (4) with toroidal cavity (7).
Liquid feed valve the most according to claim 3 is anti-buries mining pump, it is characterised in that described linked hole (4) is multiple and is circumferentially laid in the upper end of described toroidal cavity (7).
Liquid feed valve the most according to claim 1 is anti-buries mining pump, it is characterised in that the diameter of described upper pump barrel (1) is more than the diameter of lower pump barrel (5).
Liquid feed valve the most according to claim 5 is anti-buries mining pump, it is characterised in that the diameter of described upper pump barrel (1) is more than the diameter 6-18mm of described lower pump barrel (5).
Liquid feed valve the most according to claim 1 is anti-buries mining pump, it is characterized in that, described upper plug (2) and lower plunger (8) are connected by the connecting rod (14) with hollow structure, the internal cavity of described connecting rod (14) connects with the internal cavity of described upper plug (2) and lower plunger (8), forms apocenosis passage.
Liquid feed valve the most according to claim 1 is anti-buries mining pump, it is characterized in that, the upper end of described upper plug (2) is pyramidal structure, and described upper leakage fluid dram (13) is multiple and is distributed on the conical surface of described upper plug (2) upper end.
Liquid feed valve the most according to claim 1 is anti-buries mining pump, it is characterised in that described tapping valve (9) and liquid feed valve (12) are check valve.
Liquid feed valve the most according to claim 1 is anti-buries mining pump, it is characterised in that the bottom of described lower plunger (8) is provided with two lower leakage fluid drams, and each leakage fluid dram is respectively equipped with a described tapping valve (9).
CN201620214378.6U 2016-03-18 2016-03-18 Feed liquor valve prevents that row of burying adopts pump Withdrawn - After Issue CN205445977U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620214378.6U CN205445977U (en) 2016-03-18 2016-03-18 Feed liquor valve prevents that row of burying adopts pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620214378.6U CN205445977U (en) 2016-03-18 2016-03-18 Feed liquor valve prevents that row of burying adopts pump

Publications (1)

Publication Number Publication Date
CN205445977U true CN205445977U (en) 2016-08-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105626491A (en) * 2016-03-18 2016-06-01 中联煤层气国家工程研究中心有限责任公司 Drainage and gas production pump with burying prevention liquid inlet valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105626491A (en) * 2016-03-18 2016-06-01 中联煤层气国家工程研究中心有限责任公司 Drainage and gas production pump with burying prevention liquid inlet valve
CN105626491B (en) * 2016-03-18 2018-02-16 中联煤层气国家工程研究中心有限责任公司 A kind of liquid feed valve is anti-to bury mining pump

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20160810

Effective date of abandoning: 20180216