CN109356840B - Multi-chamber major diameter double-acting pump - Google Patents
Multi-chamber major diameter double-acting pump Download PDFInfo
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- CN109356840B CN109356840B CN201811542943.1A CN201811542943A CN109356840B CN 109356840 B CN109356840 B CN 109356840B CN 201811542943 A CN201811542943 A CN 201811542943A CN 109356840 B CN109356840 B CN 109356840B
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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
- F04B53/10—Valves; Arrangement of valves
- F04B53/1002—Ball valves
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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
-
- 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
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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
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
- F04B53/162—Adaptations of cylinders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of multi-chamber major diameter double-acting pumps, including upper pump, intermediate valve and lower pump, upper pump includes upper pump pump barrel, upper pump plunger, upper pump plunger diverter valve assembly and A chamber, there are two not connected runners, respectively center flow channels and flow manifold for setting on upper pump plunger diverter valve assembly；Intermediate valve includes central tube, upper oil pump inlet valve, extension nipple and intermediate oil inlet valve, and the end of intermediate oil inlet valve is provided with C chamber；Lower pump includes flow divider, lower pump plunger and twin-stage fixed valve in lower pump pump barrel, lower pump, is provided with B chamber in twin-stage fixed valve.Using major diameter, the short-plunger of soft or hard combination, multi-chamber and shunt nipple, twin-stage shunt fixed valve, the yield of geothermal well hot water is not only greatly improved, solve the problems, such as pump greatly simultaneously recovery process intermediate gap it is big when wastage is big, gap hour friction in down stroke greatly, fixed valve wastage it is big, significantly extend pump detection period, production time efficiency is improved, economic benefit is improved.
Description
Technical field
The present invention relates to geothermal wells to exploit double-acting pump technical field, more particularly, to a kind of multi-chamber major diameter double acting
Pump.
Background technique
Under the precondition that current country continues to increase environmental protection, various regions all make full use of geothermal energy resources power generation,
Heating and for other forms the industry for having demand to hot water.Local geothermal energy resources are made full use of, can not only be saved
A large amount of coal, combustion oil and gas, and great protective effect is played to natural environment.
The major technique used in terms of geothermal energy resources exploitation at present is electric submersible pump and large diameter single effect oil well pump, and electricity is latent
The problem of pump is primarily present in geothermal energy resources recovery process is motor poor heat resistance, and motor is caused often to occur what overheat was burnt
Phenomenon.Frequent operation, not only increases operating cost, leads to increasing considerably for cost of winning, also directly affects downstream
The production of hot water user.The problem of common major diameter pump is primarily present at present is that discharge capacity is small, cannot meet underground heat production requirement,
Since used major diameter pump is to have borrowed oil field equipment and this kind pump is caused to generate plunger and pump under high temperature environment
Many Failure Factors such as the gap between cylinder increases, and wastage increases, and pump efficiency is low.
For many problems present in electric submersible pump in above-mentioned underground heat recovery process and common large-diameter extraction oil pump, research is opened
The multi-chamber major diameter double-acting pump suitable for exploiting underground heat under high temperature, high salinity water environment is sent out.
Summary of the invention
The object of the present invention is to provide a kind of multi-chamber major diameter double-acting pumps, using major diameter, the short column of soft or hard combination
The structures design such as plug, multi-chamber and shunt nipple, twin-stage shunt fixed valve, is not only greatly improved geothermal well hot water
Yield, at the same solve big pump recovery process intermediate gap it is big when wastage is big, gap hour friction in down stroke is big, fixed valve wastage
Big problem, significantly extends pump detection period, improves production time efficiency, reduces production cost, improves economic benefit.
To achieve the above object, the present invention provides a kind of multi-chamber major diameter double-acting pumps, comprising:
Upper pump, the upper pump include upper pump pump barrel, the upper pump plunger slided up and down in the upper pump pump barrel, are arranged in institute
The A chamber stating the upper pump plunger diverter valve assembly below pump plunger and being arranged on the upper pump plunger diverter valve assembly, institute
Stating setting on pump plunger diverter valve assembly, there are two not connected runners, respectively center flow channels and flow manifold, described
The top of upper pump pump barrel is provided with pump variable buckle connector, the upper end female thread connected pipes of the upper pump variable buckle connector；
The intermediate valve connecting with the upper pump plunger diverter valve assembly, the intermediate valve include central tube, are arranged described
It upper oil pump inlet valve on the outside of central tube, the extension nipple being connect with the upper oil pump inlet valve and is connect with the extension nipple
Between inlet valve, the end of the intermediate oil inlet valve is provided with C chamber；
The lower pump connecting with the intermediate oil inlet valve, the lower pump include lower pump pump barrel, are arranged in the lower pump pump barrel
Lower pump in flow divider, the lower pump plunger being connect with flow divider in the lower pump and the twin-stage being arranged in below the lower pump plunger
Fixed valve is provided with B chamber in the twin-stage fixed valve.
Preferably, the upper pump plunger includes on the upper pump plunger top connection connecting with sucker rod and the upper pump plunger
The upper pump plunger shaft plug body that connector connects and the upper pump plunger travelling valve body with the upper pump plunger shaft plug body lower end screwed connection；
The top and bottom of the upper pump plunger shaft plug body be arranged with pump plunger centering ring, upper pump plunger support ring, on
Pump plunger soft seal ring and upper pump plunger flexi-ring seat, the upper pump plunger support ring of the upper pump plunger shaft plug body upper end, upper pump plunger
The opening direction of soft seal ring and upper pump plunger flexi-ring seat is upward, the upper pump plunger support of upper pump plunger shaft plug body lower end
The opening direction of ring, upper pump plunger soft seal ring and upper pump plunger flexi-ring seat is downward；
The inside of the upper pump plunger travelling valve body is successively fixed with pump plunger travelling valve bonnet, upper pump plunger travelling valve ball
With upper pump plunger travelling valve seat, the upper pump plunger travelling valve seat, the upper pump plunger travelling valve ball and the upper pump plunger trip
Dynamic valve bonnet is fixed by upper pump plunger travelling valve union, is provided with pump plunger travelling valve seat in the upper pump plunger travelling valve seat
Sealing ring.
Preferably, the upper pump plunger diverter valve assembly includes that upper pump plunger shunts valve body, is arranged in the upper pump plunger
The intracorporal upper pump plunger of flow divider, which shunts valve bonnet and shunts the upper pump plunger that valve bonnet is connect with the upper pump plunger, shunts valve seat, institute
It states and is provided with pump plunger shunting valve seat insert on pump plunger shunting valve seat.Preferably, the upper oil pump inlet valve include with
The upper oil pump inlet valve variable buckle connector of the upper pump pump barrel connection and the upper pump oil inlet being connect with the upper oil pump inlet valve variable buckle connector
Valve body, the upper oil pump inlet valve valve body is circumferentially arranged 12 valve openings, is sequentially installed in each valve opening
Oil pump inlet valve valve bonnet, upper oil pump inlet valve valve ball and upper oil pump inlet valve valve seat, the upper oil pump inlet valve valve body and the upper pump oil inlet
Oil pump inlet valve variable buckle joint sealing circle is provided between valve variable buckle connector, during the end of the upper oil pump inlet valve valve body is provided with
Heart seal of tube set.
Preferably, the intermediate oil inlet valve includes intermediate oil inlet valve body, intermediate oil inlet valve bonnet, intermediate oil inlet valve ball and centre
Oil inlet valve seat, the intermediate oil inlet valve seat, the intermediate oil inlet valve ball and the intermediate oil inlet valve bonnet are arranged at the centre
On oil inlet valve body in uniformly distributed valve opening, the intermediate oil inlet valve body is adopted with the upper oil pump inlet valve valve body by the extension nipple
With screwed connection, gap oil pump inlet valve valve seals and extension nipple sealing ring between screw thread are sealed, the centre into
By screwed connection, the gap of screw thread is tightly connected with lower pump barrel sealing ring for oil valve body and the lower pump pump barrel.
Preferably, flow divider includes flow divider variable buckle connector in the lower pump connecting with the central tube lower end in the lower pump
With with shunt valve body in the lower pump that flow divider variable buckle connector lower end is connect in the lower pump, shunted in valve body in the lower pump
It is provided with flow divider valve bonnet in lower pump, shunts valve base, flow divider valve in the lower pump in flow divider valve ball and lower pump in lower pump
Flow divider valve seat insert in lower pump is provided on seat.
Preferably, the lower pump plunger includes swimming with the lower pump plunger of flow divider valve body lower end screwed connection in the lower pump
Dynamic valve body and the lower pump plunger shaft plug body with the lower pump plunger travelling valve valve body lower end screwed connection；
Lower pump plunger travelling valve valve bonnet, lower pump plunger travelling valve valve are sequentially installed in the lower pump plunger travelling valve body
Ball and lower pump plunger move about valve base, are provided with lower pump plunger travelling valve valve base sealing on the lower pump plunger travelling valve base
Circle；
The top and bottom of the lower pump plunger shaft plug body are successively arranged with lower pump plunger centering ring, the support of lower pump plunger flexi-ring
Ring, lower pump plunger flexi-ring and lower pump plunger flexi-ring gasket ring, the lower pump flexi-ring support ring of the lower pump plunger shaft plug body upper end and lower pump
The opening of flexi-ring is upward, and the opening of the lower pump flexi-ring support ring of the lower pump plunger shaft plug body lower end and lower pump flexi-ring is downward,
The lower end of the lower pump plunger shaft plug body be provided with for fix the lower pump plunger centering ring, lower pump plunger flexi-ring support ring, under
The lower pump plunger lower contact of pump plunger flexi-ring and lower pump plunger flexi-ring gasket ring.
Preferably, the twin-stage fixed valve include double female connectors, shunt fixed valve body and with the shunting fixed valve valve
The fixation valve body of body screwed connection, double female connectors and the lower pump pump barrel screwed connection, the gap of screw thread pass through double female
Joint sealing circle is tightly connected；
It is sequentially installed in the fixed valve body of the shunting and shunts fixed valve valve bonnet fixed ring, shunt fixed valve valve bonnet, divide
It flows fixed valve valve ball and shunts fixed valve base；
It is sequentially installed with fixed valve valve bonnet fixed ring, fixed valve valve bonnet, fixed valve valve ball in the fixed valve body and consolidates
Determine valve base.
Therefore, the multi-chamber major diameter double-acting pump of the present invention using the above structure, effect are embodied in the following:
Firstly, the structure of multi-chamber designs, makes to pump three chamber feed liquors and drain in a stroke, substantially increase list
Rush lifting rate；
Secondly, using the short-plunger of soft or hard combination on piston structure, reduces the running resistance of plunger, reduce column
The wastage of plug and pump barrel gap, improves pump efficiency；
Again, the design for using shunt nipple in structure design, ensure that the feed liquor of three chambers and drain are respectively only
It is vertical, do not obscure mutually；
Finally, using twin-stage shunt fixed valve, fixed valve ball is reduced in the case where guaranteeing that liquid inlet volume is constant
Diameter reduces valve ball weight, slows down abrasion and collision deformation of the valve ball to valve seat, increases the sealing of valve ball and valve base chamber
Performance reduces the wastage of fixed valve.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is a kind of upper pump configuration schematic diagram of multi-chamber major diameter double-acting pump embodiment of the present invention；
Fig. 2 is a kind of intermediate valve structural schematic diagram of multi-chamber major diameter double-acting pump embodiment of the present invention；
Fig. 3 is a kind of lower pump configuration schematic diagram of multi-chamber major diameter double-acting pump embodiment of the present invention；
Fig. 4 is a kind of center flow channels schematic diagram of multi-chamber major diameter double-acting pump embodiment of the present invention；
Fig. 5 is a kind of flow manifold schematic diagram of multi-chamber major diameter double-acting pump embodiment of the present invention.
Specific embodiment
Embodiment
The present invention provides a kind of multi-chamber major diameter double-acting pumps, comprising: upper pump, intermediate valve and lower pump.
Fig. 1 is a kind of upper pump configuration schematic diagram of multi-chamber major diameter double-acting pump embodiment of the present invention, as shown, on
Pump include it is upper pump pump barrel 11, it is upper pump pump barrel 11 in slide up and down upper pump plunger 12, be arranged in it is upper below upper pump plunger 12
Pump plunger diverter valve assembly 13 and the A chamber 14 being arranged on upper pump plunger diverter valve assembly 13, upper pump plunger diverter valve assembly
There are two not connected runner, respectively center flow channels 4 and flow manifold 5, the top settings of upper pump pump barrel 11 for setting on 13
There are upper pump variable buckle connector, the upper end female thread connected pipes of upper pump variable buckle connector；Upper pump plunger 12 include connect with sucker rod it is upper
Pump plunger top connection 120, the upper pump plunger shaft plug body 121 being connect with upper pump plunger top connection 120 and under upper pump plunger shaft plug body 121
Hold the upper pump plunger travelling valve body 122 of screwed connection；The top and bottom of upper pump plunger shaft plug body 121 are arranged with pump plunger and help
Positive ring 123, upper pump plunger support ring 124, upper pump plunger soft seal ring 125 and upper pump plunger flexi-ring seat 126, upper pump plunger shaft plug body
The opening direction of the upper pump plunger support ring 124 of 121 upper ends, upper pump plunger soft seal ring 125 and upper pump plunger flexi-ring seat 126
Upwards, the upper pump plunger support ring 124 of upper 121 lower end of pump plunger shaft plug body, upper pump plunger soft seal ring 125 and upper pump plunger are soft
The opening direction of ring seat 126 is downward；The inside of upper pump plunger travelling valve body 122 is successively fixed with pump plunger travelling valve bonnet
127, upper pump plunger travelling valve ball 128 and upper pump plunger travelling valve seat 129, upper pump plunger travelling valve seat 129, the travelling of upper pump plunger
Valve ball 128 and upper pump plunger travelling valve bonnet 127 are fixed by upper pump plunger travelling valve union 1280, upper pump plunger travelling valve seat
Pump plunger travelling valve seat sealing ring is provided on 129.Upper pump plunger diverter valve assembly 13 includes that upper pump plunger shunts valve body
130, the upper pump plunger that upper pump plunger shunts in valve body 130 is arranged in shunt valve bonnet 131 and shunt the company of valve bonnet 131 with upper pump plunger
The upper pump plunger connect shunts valve seat 132, and upper pump plunger, which shunts, is provided with pump plunger shunting valve seat insert on valve seat 132；On
The end of pump pump barrel 11 is provided with pump barrel sealing ring 110, plays the role of sealing screw thread gap, prevents the leakage between screw thread.
Fig. 2 is a kind of intermediate valve structural schematic diagram of multi-chamber major diameter double-acting pump embodiment of the present invention, as shown,
Intermediate valve includes central tube 21, the upper oil pump inlet valve 22 in the outside of centrally disposed pipe 21, the lengthening that connect with upper oil pump inlet valve 22
Pipe nipple 6 and the intermediate oil inlet valve 23 connecting with extension nipple 6, the end of intermediate oil inlet valve 23 are provided with C chamber 24；Central tube 21
Upper end be connected with central tube variable buckle connector 25, the upper end of central tube variable buckle connector 25 and upper pump plunger shunt 130 lower part of valve body
Female thread be connected.
Upper oil pump inlet valve 22 include with the upper upper oil pump inlet valve variable buckle connector 220 that connect of pump pump barrel 11 and with upper oil pump inlet valve
The upper oil pump inlet valve valve body 221 that variable buckle connector 220 connects, upper oil pump inlet valve valve body 221 is circumferentially arranged 12 valve openings, often
Oil pump inlet valve valve bonnet 222, upper oil pump inlet valve valve ball 223 and upper oil pump inlet valve valve seat 224 are sequentially installed in a valve opening, on
Oil pump inlet valve variable buckle joint sealing circle 225 is provided between oil pump inlet valve valve body 221 and upper oil pump inlet valve variable buckle connector 220,
The end of upper oil pump inlet valve valve body 221 is provided with basepipe seal set 7, basepipe seal set 7 and upper oil pump inlet valve valve body 221
Button connection, main function is center seal pipe 21, separates the indoor liquid of A chamber and the indoor liquid of C chamber.Intermediate oil inlet valve
23 include intermediate oil inlet valve body 230, intermediate oil inlet valve bonnet 231, intermediate oil inlet valve ball 232 and intermediate oil inlet valve seat 233, centre
Oil inlet valve seat 233, intermediate oil inlet valve ball 232 and intermediate oil inlet valve bonnet 231 are arranged at uniformly distributed on intermediate oil inlet valve body 230
In valve opening, intermediate oil inlet valve body 230 and upper oil pump inlet valve valve body 221 use screwed connection by extension nipple 6, between screw thread between
Gap oil pump inlet valve valve seals 8 and extension nipple sealing ring 9 seal, and intermediate oil inlet valve body 230 passes through with lower pump pump barrel
The gap of screwed connection, screw thread is tightly connected with lower pump barrel sealing ring 10.
Fig. 3 is a kind of lower pump configuration schematic diagram of multi-chamber major diameter double-acting pump embodiment of the present invention, as shown, under
Pump includes lower pump pump barrel 31, flow divider 32 in the lower lower pump pumped in pump barrel 31 is arranged in, connect down with flow divider 32 in lower pump
Pump plunger 33 and the twin-stage fixed valve 34 being arranged in below lower pump plunger 33 are provided with B chamber 35 in twin-stage fixed valve 34.Lower pump
Middle flow divider 32 includes flow divider variable buckle connector 320 and becoming with flow divider in lower pump in the lower pump connecting with 21 lower end of central tube
Valve body 321 is shunted in the lower pump of 320 lower end of buckle joint connection, effect is by the flow channel for liquids point in A chamber and C chamber
It opens, is shunted in valve body 321 in lower pump and be provided with flow divider valve bonnet 322 in lower pump, flow divider valve ball 323 and lower pump in lower pump
Middle shunting valve base 324 shunts in lower pump on valve base 324 and is provided with flow divider valve seat insert in lower pump.Lower pump plunger 33
Including moving about with the lower pump plunger travelling valve body 330 for shunting 321 lower end screwed connection of valve body in lower pump and with lower pump plunger
The lower pump plunger shaft plug body 331 of 330 lower end screwed connection of valve body；Lower pump is sequentially installed in lower pump plunger travelling valve body 330
Plunger travelling valve valve bonnet 332, lower pump plunger travelling valve valve ball 333 and lower pump plunger travelling valve base 334, lower pump plunger travelling valve
Lower pump plunger travelling valve valve seat insert is provided on valve seat 334；The top and bottom of lower pump plunger shaft plug body 331 are successively arranged
There are lower pump plunger centering ring 335, lower pump plunger flexi-ring support ring 336, lower pump plunger flexi-ring 337 and lower pump plunger flexi-ring gasket ring
338, the lower pump flexi-ring support ring 336 of lower 331 upper end of pump plunger shaft plug body and the lower opening for pumping flexi-ring 337 are upward, lower pump plunger
The opening of the lower pump flexi-ring support ring 336 of 331 lower end of ontology and lower pump flexi-ring 337 is downward, the lower end of lower pump plunger shaft plug body 331
It is provided with for fixed lower pump plunger centering ring 335, lower pump plunger flexi-ring support ring 336, lower pump plunger flexi-ring 337 and lower pump plunger shaft
Fill in the lower pump plunger lower contact 339 of flexi-ring gasket ring 338.Twin-stage fixed valve 34 includes double female connectors 340, shunts fixed valve body
341 and with the fixation valve body 342 that shunts fixed 341 screwed connection of valve body, double female connectors 340 and lower 31 screw thread of pump pump barrel company
It connects, the gap of screw thread passes through double female connector sealing rings 343 and is tightly connected, and prevents from pumping interior liquid leaking by screw thread gap；It shunts
It is sequentially installed in fixed valve body 341 and shunts fixed valve valve bonnet fixed ring 344, shunt fixed valve valve bonnet 345, shunt fixed valve
Valve ball 346 and the fixed valve base 347 of shunting；It is sequentially installed with fixed valve valve bonnet fixed ring 348 in fixed valve body 342, fixes
Valve valve bonnet 349, fixed valve valve ball 350 and fixed valve base 351.
Working principle: upper pump plunger can move up and down in upper pump pump barrel, when upper pump plunger is run up, upper pump plunger shaft
The upper pump plunger soft seal ring of three of plug body top opens under the pressure of liquid, seals between pump plunger and upper pump pump barrel
Gap, and three of upper pump plunger body lower part upper pump plunger soft seal rings are in contraction state, and pump plunger rubs in reduction
Wipe resistance；Upper pump plunger shunts valve body, upper pump plunger shunts valve bonnet, upper pump plunger shunts valve seat insert, upper pump plunger shunts
The upper pump plunger diverter valve assembly of valve seat composition is in closed state.With the uplink of upper pump plunger, the spatial volume of A chamber
Be continuously increased, pressure decline, when the indoor pressure of A chamber be lower than oil sets annular space pressure when, by upper oil pump inlet valve valve body, on
The upper oil pump inlet valve opening of oil pump inlet valve valve bonnet, upper oil pump inlet valve valve ball, upper oil pump inlet valve valve seat composition, liquid is in annular space fluid column
Pressure under enter A chamber.The upper end of central tube variable buckle connector and upper pump plunger shunt the lower end screwed connection of valve body, lower end with
The upper end screwed connection of flow divider variable buckle connector in the upper end screwed connection of central tube, the lower end of central tube and lower pump.When upper pump
When plunger is run up, central tube is driven to run up, while driven by flow divider in flow divider variable buckle connector in lower pump, lower pump
Flow divider valve bonnet in valve body, lower pump, flow divider valve ball in lower pump, flow divider valve seat insert in lower pump, flow divider valve in lower pump
Valve seat composition lower pump in flow divider and by lower pump plunger travelling valve body, lower pump plunger travelling valve valve bonnet, lower pump plunger move about
Valve valve ball, lower pump plunger travelling valve valve seat insert, lower pump plunger travelling valve base, lower pump plunger shaft plug body, lower pump plunger righting
The lower pump plunger that ring, lower pump flexi-ring support ring, lower pump flexi-ring, lower pump flexi-ring gasket ring, lower pump plunger lower contact form is transported upwards
Row.The volume of C chamber constantly reduces, and the indoor pressure of C chamber is continuously increased, when its pressure is more than the pressure of fluid column in oil pipe, C
The indoor liquid of chamber will open by shunting valve body in lower pump, flow divider valve bonnet in lower pump, flow divider valve ball, lower pump in lower pump
Flow divider enters in oil pipe (discharge opeing process) in the lower pump that flow divider valve base forms in middle flow divider valve seat insert, lower pump.
Upper pump plunger travelling valve ball is in the open state at this time, and lower pump plunger travelling valve valve ball is in close state.Lower pump plunger it is upper
Row, increases the volume of B chamber, pressure reduction, and when its pressure is lower than oil jacket annulus pressure, the liquid in oil jacket annulus is in ring
It is opened under the action of empty head of liquid by shunting fixed valve body, shunting fixed valve valve bonnet fixed ring, shunting fixed valve valve bonnet, dividing
It flows fixed valve valve ball, shunt fixed valve base, fixed valve body, fixed valve valve bonnet fixed ring, fixed valve valve bonnet, fixed valve valve
The twin-stage fixed valve that ball, fixed valve base form enters B chamber (imbibition process), at this time the shunting fixed valve in twin-stage fixed valve
Valve ball and fixed valve valve ball are in the open state.Downlink process is with uplink process on the contrary, the valve opened during uplink is in
Closed state, and the valve closed during uplink is in opening state.The chamber of drain is during downlink during uplink
In imbibition process, and the chamber that imbibition process is in during uplink is in discharge opeing process.
Fig. 4 is a kind of center flow channels schematic diagram of multi-chamber major diameter double-acting pump embodiment of the present invention, and Fig. 5 is this hair
The flow manifold schematic diagram of bright a kind of multi-chamber major diameter double-acting pump embodiment, as shown, upper pump plunger of the invention point
Flow on valve body design there are two not connected runner, the liquid in A chamber can only be by center flow channels, and the indoor liquid of B chamber
Body can only be flowed through by flow manifold, so that the liquid stream of A chamber and B chamber be separated, achieve the purpose that drain respectively；In addition it adopts
Main purpose with twin-stage fixed valve be eliminate common big pump fixed valve due to caused by valve ball diameter is excessive valve ball cross reproduction
As there are machining accuracies to be difficult to control for the valve ball of major diameter, the shortcomings such as bounce lag, serious to the destruction of valve seat.Therefore,
The multi-chamber major diameter double-acting pump of the present invention using the above structure, use major diameter, the short-plunger of soft or hard combination, multi-chamber with
And the design of the structures such as shunt nipple, twin-stage shunt fixed valve, the yield of geothermal well hot water is not only greatly improved, solves simultaneously
Determined big pump recovery process intermediate gap it is big when wastage is big, gap hour friction in down stroke is big, fixed valve wastage is big problem, greatly
Amplitude extends pump detection period, improves production time efficiency, reduces production cost, improves economic benefit.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than is limited,
Although the present invention is described in detail with reference to preferred embodiments, those skilled in the art should understand that: its according to
So can be with modification or equivalent replacement of the technical solution of the present invention are made, and these modifications or equivalent replacement cannot also make to repair
Technical solution after changing is detached from the spirit and scope of technical solution of the present invention.
Claims (8)
1. a kind of multi-chamber major diameter double-acting pump characterized by comprising
Upper pump, the upper pump include upper pump pump barrel, the upper pump plunger slided up and down in the upper pump pump barrel, are arranged on described
Upper pump plunger diverter valve assembly below pump plunger and the A chamber being arranged on the upper pump plunger diverter valve assembly, it is described on
There are two not connected runner, respectively center flow channels and flow manifold, the upper pumps for setting on pump plunger diverter valve assembly
The top of pump barrel is provided with pump variable buckle connector, the upper end female thread connected pipes of the upper pump variable buckle connector；
The intermediate valve connecting with the upper pump plunger diverter valve assembly, the intermediate valve include central tube, are arranged at the center
Upper oil pump inlet valve, the extension nipple being connect with the upper oil pump inlet valve and the centre being connect with the extension nipple on the outside of pipe into
The end of oil valve, the intermediate oil inlet valve is provided with C chamber；
The lower pump being connect with the intermediate oil inlet valve, under the lower pump includes lower pump pump barrel, is arranged in the lower pump pump barrel
Flow divider, the lower pump plunger connecting with flow divider in the lower pump and the twin-stage being arranged in below the lower pump plunger are fixed in pump
Valve is provided with B chamber in the twin-stage fixed valve.
2. multi-chamber major diameter double-acting pump according to claim 1, it is characterised in that:
The upper pump plunger include the upper pump plunger top connection being connect with sucker rod, connect with the upper pump plunger top connection it is upper
It pump plunger shaft plug body and moves about valve body with the upper pump plunger of the upper pump plunger shaft plug body lower end screwed connection；
The top and bottom of the upper pump plunger shaft plug body are arranged with pump plunger centering ring, upper pump plunger support ring, upper pump plunger shaft
It fills in soft seal ring and upper pump plunger flexi-ring seat, the upper pump plunger support ring of the upper pump plunger shaft plug body upper end, upper pump plunger is soft close
The opening direction of seal ring and upper pump plunger flexi-ring seat is upward, the upper pump plunger support ring of upper pump plunger shaft plug body lower end, on
The opening direction of pump plunger soft seal ring and upper pump plunger flexi-ring seat is downward；
The inside of the upper pump plunger travelling valve body be successively fixed with pump plunger travelling valve bonnet, upper pump plunger travelling valve ball and on
Pump plunger travelling valve seat, the upper pump plunger travelling valve seat, the upper pump plunger travelling valve ball and the upper pump plunger travelling valve
Cover is fixed by upper pump plunger travelling valve union, and the sealing of pump plunger travelling valve seat is provided in the upper pump plunger travelling valve seat
Circle.
3. multi-chamber major diameter double-acting pump according to claim 2, it is characterised in that: the upper pump plunger flow divider is total
At include upper pump plunger shunt valve body, setting the intracorporal upper pump plunger of the upper pump plunger flow divider shunt valve bonnet and with it is described
The upper pump plunger that upper pump plunger shunts valve bonnet connection shunts valve seat, and the upper pump plunger, which shunts, is provided with pump plunger point on valve seat
Flow valve seat insert.
4. multi-chamber major diameter double-acting pump according to claim 3, it is characterised in that: the upper oil pump inlet valve include with
The upper oil pump inlet valve variable buckle connector of the upper pump pump barrel connection and the upper pump oil inlet being connect with the upper oil pump inlet valve variable buckle connector
Valve body, the upper oil pump inlet valve valve body is circumferentially arranged 12 valve openings, is sequentially installed in each valve opening
Oil pump inlet valve valve bonnet, upper oil pump inlet valve valve ball and upper oil pump inlet valve valve seat, the upper oil pump inlet valve valve body and the upper pump oil inlet
Oil pump inlet valve variable buckle joint sealing circle is provided between valve variable buckle connector, during the end of the upper oil pump inlet valve valve body is provided with
Heart seal of tube set.
5. multi-chamber major diameter double-acting pump according to claim 4, it is characterised in that: during the intermediate oil inlet valve includes
Between oil inlet valve body, intermediate oil inlet valve bonnet, intermediate oil inlet valve ball and intermediate oil inlet valve seat, the intermediate oil inlet valve seat, the centre
Oil inlet valve ball and the intermediate oil inlet valve bonnet are arranged in valve opening uniformly distributed on the intermediate oil inlet valve body, the intermediate oil inlet
Valve body uses screwed connection by the extension nipple with the upper oil pump inlet valve valve body, the gap oil pump inlet valve between screw thread
Valve seals and the sealing of extension nipple sealing ring, the intermediate oil inlet valve body and the lower pump pump barrel pass through screwed connection, silk
The gap of button is tightly connected with lower pump barrel sealing ring.
6. multi-chamber major diameter double-acting pump according to claim 5, it is characterised in that: flow divider includes in the lower pump
Flow divider variable buckle connector and connect with flow divider variable buckle connector lower end in the lower pump in the lower pump being connect with the central tube lower end
Valve body is shunted in the lower pump connect, is shunted in valve body in the lower pump and is provided with flow divider valve bonnet in lower pump, shunts in lower pump
Valve base is shunted in valve valve ball and lower pump, is shunted on valve base in the lower pump and is provided with flow divider valve seat insert in lower pump.
7. multi-chamber major diameter double-acting pump according to claim 6, it is characterised in that:
The lower pump plunger include with the lower pump plunger of flow divider valve body lower end screwed connection in the lower pump move about valve body and
With the lower pump plunger shaft plug body of the lower pump plunger travelling valve valve body lower end screwed connection；
Be sequentially installed in the lower pump plunger travelling valve body lower pump plunger travelling valve valve bonnet, lower pump plunger travelling valve valve ball and
Lower pump plunger moves about valve base, is provided with lower pump plunger travelling valve valve seat insert on the lower pump plunger travelling valve base；
The top and bottom of the lower pump plunger shaft plug body be successively arranged with lower pump plunger centering ring, lower pump plunger flexi-ring support ring,
Lower pump plunger flexi-ring and lower pump plunger flexi-ring gasket ring, the lower pump flexi-ring support ring and lower pump flexi-ring of the lower pump plunger shaft plug body upper end
Opening it is upward, the lower pump flexi-ring support ring of the lower pump plunger shaft plug body lower end and it is lower pump flexi-ring opening it is downward, it is described
The lower end of lower pump plunger shaft plug body is provided with for fixing the lower pump plunger centering ring, lower pump plunger flexi-ring support ring, lower pump plunger shaft
Fill in the lower pump plunger lower contact of flexi-ring and lower pump plunger flexi-ring gasket ring.
8. multi-chamber major diameter double-acting pump according to claim 7, it is characterised in that:
The twin-stage fixed valve includes double female connectors, shunts fixed valve body and fix valve body screwed connection with the shunting
Fixed valve body, double female connectors and the lower pump pump barrel screwed connection, it is close that the gap of screw thread passes through double female connector sealing rings
Envelope connection；
It is sequentially installed in the fixed valve body of the shunting and shunts fixed valve valve bonnet fixed ring, shunt fixed valve valve bonnet, shunt admittedly
Determine valve valve ball and shunts fixed valve base；
Fixed valve valve bonnet fixed ring, fixed valve valve bonnet, fixed valve valve ball and fixed valve are sequentially installed in the fixed valve body
Valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811542943.1A CN109356840B (en) | 2018-12-17 | 2018-12-17 | Multi-chamber major diameter double-acting pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811542943.1A CN109356840B (en) | 2018-12-17 | 2018-12-17 | Multi-chamber major diameter double-acting pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109356840A CN109356840A (en) | 2019-02-19 |
| CN109356840B true CN109356840B (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811542943.1A Active CN109356840B (en) | 2018-12-17 | 2018-12-17 | Multi-chamber major diameter double-acting pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109356840B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6273690B1 (en) * | 1999-06-25 | 2001-08-14 | Harbison-Fischer Manufacturing Company | Downhole pump with bypass around plunger |
| US9976548B2 (en) * | 2014-08-28 | 2018-05-22 | Superior Energy Services, L.L.C. | Plunger lift assembly with an improved free piston assembly |
| CN204041404U (en) * | 2014-09-03 | 2014-12-24 | 中国石油化工股份有限公司 | Underlying draining eccentrically arranged valve oil well pump |
| CN204941878U (en) * | 2015-08-18 | 2016-01-06 | 中国石油天然气股份有限公司 | Sand-proof oil-well pump |
| CN105697344B (en) * | 2016-04-14 | 2017-11-21 | 西南石油大学 | Major diameter oil-feed valve type hydraulic feedback suction pump |
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2018
- 2018-12-17 CN CN201811542943.1A patent/CN109356840B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109356840A (en) | 2019-02-19 |
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