CN201050454Y - Differential pressure driven reciprocating type double-function supercharging pump - Google Patents
Differential pressure driven reciprocating type double-function supercharging pump Download PDFInfo
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- CN201050454Y CN201050454Y CNU200720151679XU CN200720151679U CN201050454Y CN 201050454 Y CN201050454 Y CN 201050454Y CN U200720151679X U CNU200720151679X U CN U200720151679XU CN 200720151679 U CN200720151679 U CN 200720151679U CN 201050454 Y CN201050454 Y CN 201050454Y
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Abstract
Disclosed is a reciprocating type double action booster pump driven by differential pressure, which mainly solves the problem that the partial pressure increase of a water injection system also increase the total energy consumption. The utility model is characterized in that: a. a pressure dividing mechanism (1) is composed of a pump body (4), a separation sleeve in a cylinder (5) and a combined duplex piston (6); b. a reversing mechanism (2) is composed of a reversing shell (14), a reversing bar (15), a left and a right end covers (16, 17) and a three-way pipe (18); c. a reversing control mechanism (3) is composed of a left and a right reversing control shells (28,34), a left and a right control bars (29,35) and reversing pipes A, B, C, D, E and F (30, 36, 37, 38, 39, 40). The waste energy in the water injection system pipeline network is used completely by the booster pump, so that the energy utilization rate and the economic benefit of the water injection production are increased, the investment on a water allocating station is reduced, and the cost of the investment on electric grid of the additional power and the energy consumption during the operation is saved.
Description
Technical field:
The utility model relates to hydraulic booster pump, especially differential pressure drive reciprocating double-action booster pump used in a kind of oil field flood pattern.
Background technique:
For relying on water-drive oil recovery is main China's onshore oil field, is the major measure of keeping underground production pressure to underground flooding.Oil field flood pattern generally is made up of water-injection station, distributing room for water injection, water injection well and the injection pipe network that connects above-mentioned three, because oil field geologic situation complexity, the injection pressure of water injection well differs greatly, for guaranteeing the normal water filling work of all water injection wells, injection pipe network comes water pressure to have to take the principle of " just not low with regard to height ", and promptly injection pipe network pressure can not be lower than the highest injection pressure of water injection well.In recent years, the development of oil field boosting water injection pump was very rapid, had begun to take shape centrifugal, reciprocating type two big classes.At present, oil field flood pattern often has the existing low pressure well of water injection well that the situation of high-pressure well is arranged again, sometimes even have only several mouthfuls of high-pressure wells in the whole system, and all the other all are low pressure well, because high-pressure water injection well quantity is less relatively, therefore this water flooding regime energy consumption is huge, and efficient is very low.In this case, traditional solution one is that to make water pressure be the pressure of high-pressure well; The 2nd, at high-pressure well mouth suction booster is installed, the motor-driven common plunger pump of basic employing is installed in the purpose that reaches supercharging in the pipeline on the oil field.But no matter which kind of situation all will inevitably cause a large amount of energy losses, the problem that the local compression height brings total energy consumption to rise in the flood pattern occur.
The model utility content:
In order to solve the problem of the total energy consumption rising that the local compression height brings in the existing flood pattern, the utility model provides a kind of differential pressure drive reciprocating double-action booster pump, this differential pressure drive reciprocating double-action booster pump has made full use of the energy of wasting in the flood pattern pipe network, improved the flood pattern energy utilization efficiency, improved the economic benefit that water filling is produced, reduced the distributing room for water injection investment cost, saved outer the join electric grid investment of power and the energy consumption cost in the running, the work water yield of this pump and high and low setting-out water yield coupling are adjustable.
The technical solution of the utility model is: this differential pressure drive reciprocating double-action booster pump comprises branch press mechanism, changement, commutation controlling mechanism, high pressure water injection pipe, low pressure water injection pipe and intake pipe, it is characterized in that:
A, divide press mechanism by the pump housing, divide spacer and combined type double crosslinking piston to form in the cylinder, divide spacer to be fixed on the centre of the pump housing and the pump housing is divided into left and right sides chamber in the cylinder, the middle part of the pump housing has a left side that communicates with left and right sides chamber respectively, right passage, a left side, be separately installed with a left side in the right passage, right one-way valve, the piston rod of combined type double crosslinking piston passes and divides the piston body at spacer and its two ends to place respectively in the left and right sides chamber of the pump housing in the cylinder, a left side, the left side of right one-way valve top, right passage communicates with right chamber right-hand member and left chamber's left end respectively, and left chamber's right-hand member of the pump housing and right chamber left end are respectively by a left side, right High Pressure Drain pump valve communicates with the high pressure water injection pipe.
B, changement is by the commutation housing, reversing bar, a left side, right end cap and three-way pipe are formed, the commutation lower part of frame have respectively with the pump housing on a left side, the left side that right passage communicates, right through hole, the top of commutation housing has a left side that all communicates with three-way pipe, right low pressure delivery hole, three-way pipe communicates with the low pressure water injection pipe again, the middle part of commutation housing communicates with intake pipe, the reversing bar cross section is " king " font of falling, reversing bar places in the commutation housing, reversing bar can in the commutation housing, slide and with the commutation housing seal, when reversing bar is in commutation housing left end, intake pipe communicates with the right through hole of commutation housing below, when reversing bar is in commutation housing right-hand member, intake pipe communicates with the left through hole of commutation housing below, and commutation housing two ends are fixed with the left side in band silk hole respectively, right end cap.
C, commutation controlling mechanism is by a left side, right commutation control housing, a left side, right controlling rod, reversing tube A, B, C, D, E, F forms, left side commutation control housing sidewall is respectively by reversing tube A, B, C is communicated with intake pipe, the left end cap and the low pressure water injection pipe of commutation housing, right commutation control housing sidewall is respectively by reversing tube D, E, F is communicated with intake pipe, the right end cap and the low pressure water injection pipe of commutation housing, a left side, right controlling rod places a left side respectively, in the right commutation control housing, a left side, right commutation control housing is separately fixed at the two ends of the pump housing in the branch press mechanism, a left side, right controlling rod be connected to the combined type double crosslinking piston two ends and with the servo-actuated of combined type double crosslinking piston.
The left and right sides chamber inner wall of the described pump housing all is equipped with cylinder sleeve.
The top of described commutation housing has peep hole and in this peep hole plug is housed.
The left and right passage of described left and right one-way valve top communicates with right chamber right-hand member and left chamber's left end respectively by external connecting tube a, b.
Described left and right commutation control housing adopts flange to be connected with the two ends of the pump housing respectively.
Described left and right controlling rod is connected with the two ends of combined type double crosslinking piston tenon, the groove by T-shape respectively.
Described commutation housing stacks above the pump housing and by bolt, left and right through hole is corresponding with left and right passage respectively, and left and right passage is stepped, and left and right one-way valve places in the left and right passage and compacted cover compresses.
The structure of described left and right one-way valve and left and right High Pressure Drain pump valve is identical, form by valve seat, nonreturn valve core, spring, valve pocket and nut, the middle part of valve seat has water passage hole, nonreturn valve core passes valve seat and valve pocket is fixed by nut, nonreturn valve core can relatively move along the center hole of valve seat, and spring places between valve pocket and the valve seat.
The utlity model has following beneficial effect: owing to take such scheme, can utilize water in the injection pipe network liquid that is used as power, utilize and come water pressure and low pressure water injection well injection pressure difference to realize water flood operations in the injection pipe network system to high-pressure water injection well, this working procedure does not need the extraneous power input that increases, both the water part of coming in the injection pipe network system can be changed into high pressure water, another part changes into low-pressure water, realizes simultaneously to low pressure well and high-pressure well water filling.This suction booster has improved the utilization ratio of flood pattern energy, improved the economic benefit that water filling is produced, reduced the investment cost of distributing room for water injection, saved outer the join electric grid investment of power and the energy consumption cost in the running, the work water yield of this pump and high and low setting-out water yield coupling are adjustable.
Description of drawings:
Accompanying drawing 1 is a structural representation of the present utility model;
Accompanying drawing 2 is structure sectional views of the present utility model;
Accompanying drawing 3 is A-A structure sectional views among Fig. 2;
Accompanying drawing 4 is B-B structure sectional views among Fig. 2;
Accompanying drawing 5 is structure sectional views of left and right High Pressure Drain pump valve (11,1 2) among the left and right one-way valve (9,10) of Fig. 2 and Fig. 4.
1-divides press mechanism among the figure, 2-changement, 3-commutation controlling mechanism, the 4-pump housing, divide spacer in the 5-cylinder, 6-combined type double crosslinking piston, 7-left side passage, the right passage of 8-, 9-left side one-way valve, the right one-way valve of 10-, 11-left side High Pressure Drain pump valve, the right High Pressure Drain pump valve of 12-, 13-high pressure water injection pipe, the 14-housing that commutates, 15-reversing bar, 16-left end cap, the 17-right end cap, 18-three-way pipe, 19-left side through hole, the right through hole of 20-, low pressure delivery hole, a 21-left side, the right low pressure delivery of 22-hole, 23-low pressure water injection pipe, 24-intake pipe, 25-silk hole, 26-connecting tube a, 27-connecting tube b, 28-left side commutation control housing, 29-left side controlling rod, 30-reversing tube A, the 31-cylinder sleeve, 32-plug, 33-pressure gauge, the right commutation control of 34-housing, the right controlling rod of 35-, 36-reversing tube B, 37-reversing tube C, 38-reversing tube D, 39-reversing tube E, 40-reversing tube F, 41-bolt, 42-clamping sleeve, the 43-valve seat, 44-nonreturn valve core, 45-spring, the 46-valve pocket, 47-nut, 48-water passage hole.
Embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
In conjunction with Fig. 2, Fig. 3, shown in Figure 4, this differential pressure drive reciprocating double-action booster pump comprises branch press mechanism 1, changement 2, commutation controlling mechanism 3, high pressure water injection pipe 13, low pressure water injection pipe 23 and intake pipe 24, it is characterized in that by Fig. 1:
A, branch press mechanism 1 divide spacer 5 to be fixed on the centre of the pump housing 4 and the pump housing 4 is divided into left and right sides chamber by dividing spacer 5 and combined type double crosslinking piston 6 to form in the pump housing 4, the cylinder in the cylinder, the left and right sides chamber inner wall of the pump housing 4 all is equipped with cylinder sleeve 31.The middle part of the pump housing 4 has the left and right passage (7 that communicates with left and right sides chamber respectively, 8), left and right passage (7,8) be separately installed with left and right one-way valve (9,10) in, the piston rod of combined type double crosslinking piston 6 passes and divides the piston body at spacer 5 and its two ends to place respectively in the left and right sides chamber of the pump housing 4 in the cylinder, left and right one-way valve (9,10) Shang Fang left and right passage (7,8) communicates with right chamber right-hand member and left chamber's left end respectively by external connecting tube a, b (26,27).Left chamber's right-hand member of the pump housing 4 and right chamber left end are respectively by left and right High Pressure Drain pump valve (11,12) communicate with high pressure water injection pipe 13, left and right High Pressure Drain pump valve (11,12) effect has two, the one, pressure control, just can open after having only fluid pressure to reach setting value, the 2nd, unidirectional control makes the liquid can not adverse current.
B, changement 2 is by commutation housing 14, reversing bar 15, a left side, right end cap (16,17) and three-way pipe 18 form, the bottom of commutation housing 14 have respectively with the pump housing 4 on a left side, right passage (7,8) left side that communicates, right through hole (19,20), the top of commutation housing 14 has a left side that all communicates with three-way pipe 18, right low pressure delivery hole (21,22), three-way pipe 18 communicates with low pressure water injection pipe 23 again, the middle part of commutation housing 14 communicates with intake pipe 24, reversing bar 15 cross sections are " king " font of falling, reversing bar 15 places in the commutation housing 14, reversing bar 15 can slide in commutation housing 14 and seal with commutation housing 14, and when reversing bar 15 was in commutation housing 14 left ends, intake pipe 24 communicated with the right through hole 20 of commutation housing 14 belows, when reversing bar 15 is in commutation housing 14 right-hand members, intake pipe 24 communicates with the left through hole 19 of commutation housing 14 belows, and commutation housing 14 two ends are fixed with the left side in band silk hole 25 respectively, right end cap (16,17).The top of commutation housing 14 has peep hole and plug 32 is housed in this peep hole.
C, commutation controlling mechanism 3 is by a left side, right commutation control housing (28,34), a left side, right controlling rod (29,35), reversing tube A, B, C, D, E, F (30,36,37,38,39,40) form, left side commutation control housing (28) sidewall is respectively by reversing tube A, B, C (30,36,37) be communicated with intake pipe 24, the left end cap 16 and the low pressure water injection pipe 23 of commutation housing 14, right commutation control housing 34 sidewalls are respectively by reversing tube D, E, F (38,39,40) be communicated with intake pipe 24, the right end cap 17 and the low pressure water injection pipe 23 of commutation housing 14, a left side, right controlling rod (29,35) places a left side respectively, in the right commutation control housing (28,34), a left side, right commutation control housing (28,34) be separately fixed at the two ends of the pump housing 4 in the branch press mechanism 1, a left side, right controlling rod (29,35) be connected to combined type double crosslinking piston 6 two ends and with 6 servo-actuateds of combined type double crosslinking piston, a left side, right controlling rod (29,35) adopts the T-shape tenon with being connected of double crosslinking piston 6, the form of groove.Left and right commutation control housing (28,34) adopts flange to be connected with the two ends of the pump housing 4 respectively.
Described commutation housing 14 stacks above the pump housing 4 and is fixing by bolt 41, left and right through hole (19,20) respectively with left and right passage (7,8) correspondence, left and right passage (7,8) is stepped, left and right one-way valve (9,10) places in the left and right passage (7,8) and compacted cover 42 compresses.This Connecting format compact structure bears the pressure height, good airproof performance.
By shown in Figure 5, left and right one-way valve (9,10) and left and right High Pressure Drain pump valve (11,12) structure is identical, form by valve seat 43, nonreturn valve core 44, spring 45, valve pocket 46 and nut 47, the middle part of valve seat 43 has water passage hole 48, and nonreturn valve core 44 passes valve seat 43 and valve pocket 46 is fixed by nut 47, nonreturn valve core 44 can relatively move along the center hole of valve seat 43, and spring 45 places between valve pocket 46 and the valve seat 43.The installation form of the installation form of left and right High Pressure Drain pump valve (11,12) and left and right one-way valve (9,10) is identical.
During actual the use, intake pipe 24 is communicated with the water lines of coming in the injection pipe network system by flange, high pressure water injection pipe 13 and low pressure water injection pipe 23 communicate with high-pressure well mouth and low pressure well head respectively by the flange connections road.Be in " dead point " position for fear of reversing bar 15, just reversing bar 15 is in the position of shutoff intake pipe 24, makes water can't enter the left and right sides chamber of the pump housing 4, can open plug 32 before use, reversing bar 15 is moved to the left end of commutation housing 14.Can load onto pressure gauge 33 at intake pipe 24, high pressure water injection pipe 13 and low pressure water injection pipe 23, be convenient to observe the pressure of the water in each working line.
During positive stroke initial position, two piston bodies on the combined type double crosslinking piston 6 all are in the left position of the pump housing about 4 two chambers, and the reversing bar 15 in the changement 2 is in left end.The water that comes in the injection pipe network system enters commutation housing 14 by intake pipe 24, at this moment, intake pipe 24 communicates with the right through hole 20 of commutation housing 14 belows, right through hole 20 is corresponding with right passage 8 on the branch press mechanism 1, right passage 8 communicates with left chamber's left end of the pump housing 4 by external connecting tube b27 again, come water to enter the left chamber's left end of the pump housing 4 and the right chamber left end of the pump housing 4 respectively by commutation housing 14, promoting combined type double crosslinking piston 6 moves right, the left passage 7 of one-way valve 9 tops, a left side communicates with the right chamber right-hand member of the pump housing 4 by external connecting tube a26, the water of the right chamber right-hand member of the pump housing 4 is through connecting tube a26, left side passage 7, commutation housing 14, low pressure delivery hole, a left side 21, three-way pipe 18, low pressure water injection pipe 23 enters the low pressure well head, the water of left chamber's right-hand member of the pump housing 4 forms high pressure water, when its pressure reaches the injection pressure of high-pressure well, open the left High Pressure Drain pump valve 11 that is communicated with left chamber's right-hand member of the pump housing 4 and enter high pressure water injection pipe 13, be injected into high-pressure well mouth then.When combined type double crosslinking piston 6 moves to extreme right position, when just combined type double crosslinking piston 6 moves to the travel position of design, also move right reversing point with the left controlling rod 29 of its servo-actuated, reversing tube A30 on the left side commutation control housing 28 is connected with reversing tube B36, then come water to pass through reversing tube A30, reversing tube B36 enters commutation housing 14 left ends from the left end cap 16 on the changement 2, right controlling rod 35 makes the reversing tube E39 on the right commutation control housing 34 be connected with reversing tube F40 simultaneously, the reversing bar 15 that dependence comes the pressure difference of water and low pressure well to promote in the commutation housing 14 moves right, and the water of commutation housing 14 right-hand members is through reversing tube E39, reversing tube F40, low pressure water injection pipe 23 enters the low pressure well head.Because the left and right end cap (16 of commutation housing 14,17) directly link to each other with the low pressure well pipeline with coming water lines, when reversing bar 15 moves to " dead point " position, still can rely on the pressure difference of water and low pressure well to continue commutation, thereby overcome the problem at " dead point " in reversing bar 15 moving process, when reversing bar 15 moves to right end position, finish commutation.
After the commutation, two piston bodies on the combined type double crosslinking piston 6 all are in the right end position of the pump housing about 4 two chambers, and the reversing bar 15 in the changement 2 is in right-hand member.The water that comes in the injection pipe network system enters commutation housing 14 by intake pipe 24, at this moment, intake pipe 24 communicates with the left through hole 19 of commutation housing 14 belows, left side through hole 19 is corresponding with the left passage 7 of branch on the press mechanism 1, left side passage 7 communicates with the right chamber right-hand member of the pump housing 4 by external connecting tube a26 again, come water to enter the right chamber right-hand member of the pump housing 4 and left chamber's right-hand member of the pump housing 4 respectively by commutation housing 14, promote combined type double crosslinking piston 6 to left movement, the right passage 8 of right one-way valve 10 tops communicates with left chamber's left end of the pump housing 4 by external connecting tube b27, the water of left chamber's left end of the pump housing 4 is through connecting tube b27, right passage 8, commutation housing 14, right low pressure delivery hole 22, three-way pipe 18, low pressure water injection pipe 23 enters the low pressure well head, the water of the right chamber left end of the pump housing 4 forms high pressure water, when its pressure reaches the injection pressure of high-pressure well, open the right High Pressure Drain pump valve 12 that is communicated with the right chamber left end of the pump housing 4 and enter high pressure water injection pipe 13, be injected into high-pressure well mouth then.When combined type double crosslinking piston 6 moves to the left end limit position, when just combined type double crosslinking piston 6 moves to the travel position of design, also move to reversing point left with the right controlling rod 35 of its servo-actuated, reversing tube D38 on the right commutation control housing 34 is connected with reversing tube E39, then come water to pass through reversing tube D38, reversing tube E39 enters commutation housing 14 right-hand members from the right end cap 17 on the changement 2, left controlling rod 29 makes the reversing tube B36 on the left side commutation control housing 28 be connected with reversing tube C37 simultaneously, rely on the pressure difference of water and low pressure well to promote reversing bar 15 in the commutation housing 14 to left movement, the water of housing 14 left ends that commutate is through reversing tube B36, reversing tube C37, low pressure water injection pipe 23 enters the low pressure well head.Thereby realize the to-and-fro motion of this pump.
In sum, the utility model can utilize the liquid that is used as power of the water in the injection pipe network, utilize and come water pressure and low pressure water injection well injection pressure difference to realize water flood operations in the injection pipe network system to high-pressure water injection well, this working procedure does not need the extraneous power input that increases, both the water part of coming in the injection pipe network system can be changed into high pressure water, another part changes into low-pressure water, realizes simultaneously to low pressure well and high-pressure well water filling.The utility model has improved the utilization ratio of flood pattern energy, improved the economic benefit that water filling is produced, reduced the investment cost of oil field distributing room for water injection, saved outer the join electric grid investment of power and the energy consumption cost in the running, the work water yield of this pump and high and low setting-out water yield coupling are adjustable.
Claims (8)
1. a differential pressure drive reciprocating double-action booster pump comprises branch press mechanism (1), changement (2), commutation controlling mechanism (3), high pressure water injection pipe (13), low pressure water injection pipe (23) and intake pipe (24), it is characterized in that:
A, divide press mechanism (1) by the pump housing (4), divide spacer (5) and combined type double crosslinking piston (6) to form in the cylinder, divide spacer (5) to be fixed on the centre of the pump housing (4) and the pump housing (4) is divided into left and right sides chamber in the cylinder, the middle part of the pump housing (4) has the left and right sides passage (7 that communicates with left and right sides chamber respectively, 8), left and right sides passage (7,8) be separately installed with left and right sides one-way valve (9 in, 10), the piston rod of combined type double crosslinking piston (6) passes and divides the piston body at spacer (5) and its two ends to place respectively in the left and right sides chamber of the pump housing (4) in the cylinder, left and right sides one-way valve (9,10) Shang Fang left and right sides passage (7,8) communicate with right chamber right-hand member and left chamber's left end respectively, left chamber's right-hand member of the pump housing (4) and right chamber left end communicate with high pressure water injection pipe (13) by left and right sides High Pressure Drain pump valve (11,12) respectively;
B, changement (2) is by commutation housing (14), reversing bar (15), a left side, right end cap (16,17) and three-way pipe (18) form, the bottom of commutation housing (14) have respectively with the pump housing (4) on a left side, right passage (7,8) left side that communicates, right through hole (19,20), the top of commutation housing (14) has a left side that all communicates with three-way pipe (18), right low pressure delivery hole (21,22), three-way pipe (18) communicates with low pressure water injection pipe (23) again, the middle part of commutation housing (14) communicates with intake pipe (24), reversing bar (15) cross section is " king " font of falling, reversing bar (15) places in the commutation housing (14), reversing bar (15) can slide in commutation housing (14) and seal with commutation housing (14), when reversing bar (15) is in commutation housing (14) left end, intake pipe (24) communicates with the right through hole (20) of commutation housing (14) below, when reversing bar (15) is in commutation housing (14) right-hand member, intake pipe (24) communicates with the left through hole (19) of commutation housing (14) below, commutation housing (14) two ends are fixed with the left side in band silk hole (25) respectively, right end cap (16,17);
C, commutation controlling mechanism (3) is by a left side, right commutation control housing (28,34), a left side, right controlling rod (29,35), reversing tube A, B, C, D, E, F (30,36,37,38,39,40) form, left side commutation control housing (28) sidewall is respectively by reversing tube A, B, C (30,36,37) is communicated with intake pipe (24), the left end cap (16) and the low pressure water injection pipe (23) of commutation housing (14), right commutation control housing (34) sidewall is respectively by reversing tube D, E, F (38,39,40) be communicated with intake pipe (24), the right end cap (17) and the low pressure water injection pipe (23) of commutation housing (14), a left side, right controlling rod (29,35) place a left side respectively, right commutation control housing (28,34) in, a left side, right commutation control housing (28,34) is separately fixed at the two ends of the pump housing (4) in the branch press mechanism (1), a left side, right controlling rod (29,35) be connected to combined type double crosslinking piston (6) two ends and with combined type double crosslinking piston (6) servo-actuated.
2. differential pressure drive reciprocating double-action booster pump according to claim 1 is characterized in that: the left and right sides chamber inner wall of the pump housing (4) all is equipped with cylinder sleeve (31).
3. differential pressure drive reciprocating double-action booster pump according to claim 1 is characterized in that: the top of commutation housing (14) has peep hole and plug (32) is housed in this peep hole.
4. differential pressure drive reciprocating double-action booster pump according to claim 1, it is characterized in that: left and right one-way valve (9,10) Shang Fang left and right passage (7,8) communicates with right chamber right-hand member and left chamber's left end respectively by external connecting tube a, b (26,27).
5. differential pressure drive reciprocating double-action booster pump according to claim 1 is characterized in that: left and right commutation control housing (28,34) adopts flange to be connected with the two ends of the pump housing (4) respectively.
6. differential pressure drive reciprocating double-action booster pump according to claim 1 is characterized in that: left and right controlling rod (29,35) is connected with the two ends of combined type double crosslinking piston (6) tenon, the groove by T-shape respectively.
7. differential pressure drive reciprocating double-action booster pump according to claim 1, it is characterized in that: commutation housing (14) stacks in the pump housing (4) top and fixing by bolt (41), left and right through hole (19,20) respectively with left and right passage (7,8) correspondence, left and right passage (7,8) be stepped, left and right one-way valve (9,10) places in the left and right passage (7,8) and compacted cover (42) compresses.
8. according to claim 1,4 or 7 described differential pressure drive reciprocating double-action booster pumps, it is characterized in that: a left side, right one-way valve (9,10) and a left side, right High Pressure Drain pump valve (11,12) structure is identical, by valve seat (43), nonreturn valve core (44), spring (45), valve pocket (46) and nut (47) are formed, the middle part of valve seat (43) has water passage hole (48), nonreturn valve core (44) passes valve seat (43) and valve pocket (46) is fixing by nut (47), nonreturn valve core (44) can relatively move along the center hole of valve seat (43), and spring (45) places between valve pocket (46) and the valve seat (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720151679XU CN201050454Y (en) | 2007-06-21 | 2007-06-21 | Differential pressure driven reciprocating type double-function supercharging pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720151679XU CN201050454Y (en) | 2007-06-21 | 2007-06-21 | Differential pressure driven reciprocating type double-function supercharging pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201050454Y true CN201050454Y (en) | 2008-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720151679XU Expired - Lifetime CN201050454Y (en) | 2007-06-21 | 2007-06-21 | Differential pressure driven reciprocating type double-function supercharging pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN201050454Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458151C (en) * | 2007-06-21 | 2009-02-04 | 大庆石油学院 | Differential pressure drive reciprocating double-action booster pump |
| CN103590994A (en) * | 2013-10-22 | 2014-02-19 | 徐方亮 | Reciprocating pump with single plunger switched by fluid source power control |
-
2007
- 2007-06-21 CN CNU200720151679XU patent/CN201050454Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458151C (en) * | 2007-06-21 | 2009-02-04 | 大庆石油学院 | Differential pressure drive reciprocating double-action booster pump |
| CN103590994A (en) * | 2013-10-22 | 2014-02-19 | 徐方亮 | Reciprocating pump with single plunger switched by fluid source power control |
| CN103590994B (en) * | 2013-10-22 | 2017-11-17 | 徐方亮 | Reciprocating pump with single plunger switched by fluid source power control |
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