CN204984866U - Screw pump of valve is touched in area - Google Patents
Screw pump of valve is touched in area Download PDFInfo
- Publication number
- CN204984866U CN204984866U CN201520750595.2U CN201520750595U CN204984866U CN 204984866 U CN204984866 U CN 204984866U CN 201520750595 U CN201520750595 U CN 201520750595U CN 204984866 U CN204984866 U CN 204984866U
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- valve
- screw pump
- touch
- rotor
- travelling
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Abstract
The utility model discloses a screw pump of valve is touched in area, including screw pump rotor, screw pump stator, screw pump moment of torsion anchor, travelling valve device, screw pump top connection and screw pump lower clutch, the travelling valve device includes travelling valve ball, valve abutment seat and valve seat pressure cap, its characterized in that it touches the valve to be equipped with between screw pump stator lower extreme and travelling valve device, to touch the valve be by valve cartridge, touch the valve valve body, touch that the valve is pressed the cap, is touched the valve top connection, is touched the valve coupling, is touched ratchet on the valve, touch under the valve ratchet and reset spring constitutes, by adopting the above structure, the utility model, have novel structure, rotate the flexibility, long service life, stand wear and tear, high temperature resistant, corrosion -resistant, advantage such as the moment of torsion is little.
Description
Technical field
The utility model relates to technical field of oil extraction equipment, and specifically a kind of band touches the screw pump of valve.
Background technique
As everyone knows, in thickened oil recovery process, main technique has steam viscosity reduction, electric heating, mixes chemical agent etc., the oil extraction technique that well depth adopts steam injection, vexed well, blowing, machine to take out at the thick oil well great majority of below 1000m, along with scientific and technological development, air insufflation techiques also improves constantly, note is adopted integral process and is applied in gas-injection oil-production process widely, achieve the mode of taking out fixed tubular column, not operation from gas injection to machine, cost-saving, reduce labor intensity, add manufacturing efficiency simultaneously.
At present, existing thickened oil recovery mainly adopts injection-extraction pump to have four kinds of forms, and a kind of is carry out gas injection by the oil discharge passage of plunger, and its steam injection passage is identical with oil pumping passage.The valve ball of this structure pump is suspended in valve ball seat top to form steam injection passage, complex structure by shear pin and shear rod.Another kind of is that this structure steam can not note shaft bottom, substantially reduces the effect of gas injection, and three is tandem feedback pumps, plunger must be proposed pump barrel before steam injection, complex operation by carrying out gas injection outside pump barrel.Simultaneously due to horizontal well and ground near normal, four is adopt ground to drive or screw submerged pump, but the screw pump stator inner chamber produced at present is lined with rubber layer, dry grinding is very easily caused to damage to the not enough well of feed flow, high temperature cannot be met in thermal production well, rubber is aging acceleration at high temperature, is not suitable for being applied to high-temperature oil well; These four kinds of pumps all can not be applied on horizontal well horizontal segment, can not adapt to high temperature well and must carry out job execution when steam injection, being not suitable with the exploitation of present viscous crude.
Separately, market there is a kind of eccentric screw pump rotor, the substance deficiency of this eccentric rotor is: because design parameter takes little throw of eccentric E and large root diameter D usually, the rotor helical-screw line profile formed is not obvious, the sealing of such rotor and stator is by face sealing instead of linear sealing, and it is more coarse to add rotor outer surface, and this just makes the hydraulic efficiency of pump reduce, stator heating easy to wear, accelerates the aging of stator rubber.
Summary of the invention
The purpose of this utility model solves above-mentioned the deficiencies in the prior art, provides a kind of novel structure, rotates flexibly, long service life, the screw pump that wear-resistant, high temperature resistant, corrosion-resistant, moment of torsion is little band touches valve.
The utility model solves the technological scheme that its technical problem adopts:
A kind of band touches the screw pump of valve, comprise screw pump rotor, screw pump stator, screw pump torque anchor, travelling valve device, screw pump upper connection and screw pump lower contact, described travelling valve device comprises travelling valve ball, valve seat bearing and valve seat pressure cap, it is characterized in that being provided with between described screw pump stator lower end and travelling valve device touching valve, the described valve that touches is by valve cylinder, touch valve body, touch valve pressure cap, touch valve upper connection, touch valve box cupling, touch ratchet on valve, touch valve bottom ratchet wheel and Returnning spring composition, described valve upper connection upper end of touching is fixedly connected with the screw pump lower contact being fixed on screw pump stator lower end, lower end is through touching valve box cupling and touching valve body and be fixedly connected with, described valve body lower end of touching is fixedly connected with valve seat bearing, described touching in valve body is provided with valve cylinder, described touching between valve body and valve cylinder is provided with oil leak hole, described valve cylinder inwall circumference is interval with guide rail bar, described guide rail bar lower end is provided with inclined-plane, be provided with successively from top to bottom in described valve cylinder and touch valve pressure cap, to touch on valve ratchet and touch valve bottom ratchet wheel, describedly to touch on valve ratchet upper end and touch valve pressure cap and plug, lower end is touched in valve bottom ratchet wheel center hole described in being inserted in through slotting axle, and be meshed with the described male and fomale(M&F) touching valve bottom ratchet wheel upper-end surface, the described helical teeth of valve bottom ratchet wheel periphery through being provided with that touch matches with guide rail bar, described bottom ratchet wheel lower end is provided with groove, Returnning spring is provided with in described groove, described Returnning spring upper end and groove inconsistent, lower end is fixedly connected with travelling valve ball, described travelling valve ball is sitting on the center hole on valve seat bearing, when screw pump rotor touch touch valve pressure cap time, the described valve pressure cap that touches presses down, driving is touched ratchet on valve and is pressed down and touch valve bottom ratchet wheel, make to touch the guide rail bar axial displacement of valve bottom ratchet wheel along valve cylinder inwall, when the helical teeth upper-end surface touching valve bottom ratchet wheel periphery is corresponding with inclined-plane, guide rail bar upper end and make helical teeth embed guide rail bar lower end surface, touch valve bottom ratchet wheel lower end through Returnning spring compressing travelling valve ball, make travelling valve ball by the hydraulic fluid port sealing on valve bearing, make aboveground operator while quick sensing screw pump rotor arrives sleeve bottom, the anticollision of screw pump rotor can also be significantly improved, anti-bending, anti-wear and prevent the performance of Damage, simultaneously, also substantially increase the pressure stress of well liquid anti-overflow performance and oil well.
Screw pump rotor described in the utility model and screw pump stator all adopt metal material to make, the metal material of described screw pump rotor and screw pump stator is preferably Cr alloyed steel, one in Hard Alloy Steel, and be prepared from through heat treatment process, rotation is being reached flexibly to make described screw pump rotor and screw pump stator, resistance to wear, anticorrosive, moment of torsion is little, while the effect of long service life, can also reach high temperature resistant and reach 380 DEG C, meet the oil recovery needs of high-temp thermal recovery warp and CSS warp, solve conventional rubber stator screw pump not heatproof, easily swelling, easy to wear, life-span is short, after steam injection well hydrorrhea stream cause cannot operation to try the substance of taking out not enough, also there is application area widely simultaneously, be widely used in high viscosity, high containing sand, high corrosion, the oil well of high gassiness, particularly need the oil well of heating exploitation.
The utility model can be provided with standing valve seat in described faner apparatus, described standing valve seat lower end is fixedly connected with valve seat pressure cap, upper end is fixedly connected with valve seat bearing, the center hole of described standing valve seat is less than the center hole of valve seat bearing, is beneficial to the center hole of travelling valve ball to the center hole of valve seat bearing and standing valve seat and carries out pressure stress sealing.
Screw pump rotor described in the utility model is eccentric rotor, when oil recovery small displacement, high-head helical rotor pump, and the eccentric E of described eccentric rotor, diameter D, helical pitch T and the desirable following ratio of progression Z:
When the helical rotor pump of oil recovery huge discharge, middle pressure head, desirable following ratio
，
To make rotor helical-screw line profile remarkable, the sealing of screw pump rotor and stator screw pump forms linear sealing, improves pump efficiency further, extends working life.
The helical pitch of screw pump rotor described in the utility model and screw pump stator diminishes from the bottom to top gradually, is beneficial to improve screw rod lift of pump.
The utility model, owing to adopting said structure, has novel structure, rotates flexibly, long service life, the advantage such as wear-resistant, high temperature resistant, corrosion-resistant, moment of torsion is little.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Reference character: sleeve pipe 1, screw pump rotor 2, screw pump stator 3, screw pump torque anchor 4, travelling valve device, screw pump upper connection 5, screw pump lower contact 6, sucker rod 7, tail pipe 8, travelling valve ball 9, valve seat bearing 10, valve seat pressure cap 11, touch valve 12, valve cylinder 12, touch valve body 13, touch valve pressure cap 14, touch valve upper connection 15, touch valve box cupling 16, touch ratchet 17 on valve, touch valve bottom ratchet wheel 18, Returnning spring 19, standing valve seat 20, oil leak hole 21, oil pipe 22.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further illustrated:
As shown in drawings, a kind of band touches the screw pump of valve, comprise sleeve pipe 1, screw pump rotor 2, screw pump stator 3, screw pump torque anchor 4, travelling valve device, screw pump upper connection 5, screw pump lower contact 6 and oil pipe 22, described travelling valve device comprises travelling valve ball 9, valve seat bearing 10 and valve seat pressure cap 11, described sleeve 1 lower end is fixedly connected with tail pipe 8 through screw pump torque anchor 4, oil pipe 22 is provided with successively from top to bottom in described sleeve 1, screw pump stator 3 and travelling valve ball 9, described screw pump stator 3 upper end is fixedly connected with tail pipe through screw pump upper connection 5, be provided with between lower end and faner apparatus and touch valve, the described valve that touches is by valve cylinder 12, touch valve body 13, touch valve pressure cap 14, touch valve upper connection 15, touch valve box cupling 16, touch ratchet 17 on valve, touch valve bottom ratchet wheel 18 and Returnning spring 19 forms, described valve upper connection 15 upper end of touching is fixedly connected with the screw pump lower contact 5 being fixed on screw pump stator 3 lower end, lower end is through touching valve box cupling 16 and touching valve body 13 and be fixedly connected with, described valve body 13 lower end of touching is fixedly connected with valve seat bearing 10, described touching in valve body 13 is provided with valve cylinder 12, described touching between valve body and valve cylinder is provided with oil leak hole 21, described valve cylinder 12 inwall circumference is interval with guide rail bar, described guide rail bar lower end is provided with inclined-plane, be provided with successively from top to bottom in described valve cylinder 12 and touch valve pressure cap 14, to touch on valve ratchet 17 and touch valve bottom ratchet wheel 18, describedly to touch on valve ratchet 17 upper end and touch valve pressure cap 14 and plug, lower end is touched in valve bottom ratchet wheel 18 center hole described in being inserted in through slotting axle, and be meshed with the described male and fomale(M&F) touching valve bottom ratchet wheel 18 upper-end surface, the described helical teeth of valve bottom ratchet wheel 18 periphery through being provided with that touch matches with guide rail bar, described valve bottom ratchet wheel 18 lower end of touching is provided with groove, Returnning spring 19 is provided with in described groove, described Returnning spring 19 upper end and groove inconsistent, lower end is fixedly connected with travelling valve ball 9, described travelling valve ball 9 is sitting on the center hole on valve seat bearing 10, when screw pump rotor 2 touch touch valve pressure cap 14 time, the described valve pressure cap 14 that touches presses down, driving is touched ratchet 17 on valve and is pressed down and touch valve bottom ratchet wheel 18, make to touch the guide rail bar axial displacement of valve bottom ratchet wheel 18 along valve cylinder 12 inwall, when the helical teeth upper-end surface touching valve bottom ratchet wheel 18 periphery is corresponding with inclined-plane, guide rail bar upper end and make helical teeth embed guide rail bar lower end surface, touch valve bottom ratchet wheel 18 lower end and oppress travelling valve ball 9 through Returnning spring 19, make travelling valve ball 9 by the hydraulic fluid port sealing on valve bearing 10, make aboveground operator while quick sensing screw pump rotor arrives sleeve bottom, the anticollision of screw pump rotor can also be significantly improved, anti-bending, anti-wear and prevent the performance of Damage, simultaneously, also substantially increase the pressure stress of well liquid anti-overflow performance and oil well.
Screw pump rotor 2 described in the utility model and screw pump stator 3 all adopt metal material to make, the metal material of described screw pump rotor 2 and screw pump stator 3 is preferably Cr alloyed steel, one in Hard Alloy Steel, and be prepared from through heat treatment process, described heat treatment process can adopt electrolytic machining method in conjunction with polishing treatment and Surface hardening treatment, electrolytic machining method is prior art in conjunction with polishing treatment and surface-hardening treatment method, this does not describe in detail, rotation is being reached flexibly to make described screw pump rotor and screw pump stator, resistance to wear, anticorrosive, moment of torsion is little, while the effect of long service life, can also reach high temperature resistant and reach 380 DEG C, meet the oil recovery needs of high-temp thermal recovery warp and CSS warp, solve conventional rubber stator screw pump not heatproof, easily swelling, easy to wear, life-span is short, after steam injection well hydrorrhea stream cause cannot operation to try the substance of taking out not enough, also there is application area widely simultaneously, be widely used in high viscosity, high containing sand, high corrosion, the oil well of high gassiness, particularly need the oil well of heating exploitation.
The utility model can be provided with standing valve seat 20 in described faner apparatus, described standing valve seat 20 lower end is fixedly connected with valve seat pressure cap 11, upper end is fixedly connected with valve seat bearing 10, the center hole of described standing valve seat 20 is less than the center hole of valve seat bearing 10, is beneficial to improve further the pressure stress sealing of travelling valve ball to the center hole of the center hole of valve seat bearing and standing valve seat.
Screw pump rotor described in the utility model is eccentric rotor, when oil recovery small displacement, high-head helical rotor pump, and the eccentric E of described eccentric rotor, diameter D, helical pitch T and the desirable following ratio of progression Z:
When the helical rotor pump of oil recovery huge discharge, middle pressure head, desirable following ratio
，
To make rotor helical-screw line profile remarkable, the sealing of screw pump rotor and stator screw pump forms linear sealing, improves pump efficiency further, extends working life.
The helical pitch of screw pump rotor described in the utility model and screw pump stator diminishes from the bottom to top gradually, is beneficial to improve screw rod lift of pump.
As shown in Figure 1, the utility model in use, when needs steam injection, screw pump rotor 2 rotates along the helix of screw pump stator 3 inner chamber and moves down under the driving of power source, when screw pump rotor 2 touch touch valve pressure cap 11 time, touch valve pressure cap 11 to press down, driving is touched ratchet 17 on valve and is pressed down and touch valve bottom ratchet wheel 18, make to touch the guide rail bar of valve bottom ratchet wheel 18 along valve cylinder 12 inwall axially to bottom offset, when the helical teeth upper-end surface touching valve bottom ratchet wheel 18 periphery is corresponding with inclined-plane, guide rail bar upper end and when making helical teeth embed the inclined-plane of guide rail bar lower end surface, touch valve bottom ratchet wheel 18 lower end and oppress travelling valve ball 9 through Returnning spring 19, make travelling valve ball 9 by the hydraulic fluid port sealing on valve bearing 10 and standing valve seat 20, aboveground operator can reach top by perception screw pump rotor by the fuel-displaced situation in tail pipe, the anticollision of screw pump rotor can also be significantly improved, anti-bending, anti-wear and prevent the performance of Damage, simultaneously, also substantially increase the pressure stress of well liquid anti-overflow performance and oil well, when needs are pumped, contra rotating screw pump rotor 3, make to touch valve bottom ratchet wheel 18 to rise a segment distance, make Returnning spring 19 pressure relief, the pressure of Returnning spring 19 removed by travelling valve ball 9, and the center hole left under the submergence pressure effect of well liquid on valve bearing 10 and standing valve seat 20, making fluid pass through to touch the oil leak hole be provided with in valve body 13 enters in screw rod pump chamber, achieve screw pump oil pumping effect.
The utility model, owing to adopting said structure, has novel structure, rotates flexibly, long service life, the advantage such as wear-resistant, high temperature resistant, corrosion-resistant, moment of torsion is little.
Claims (5)
1. a band touches the screw pump of valve, comprise sleeve pipe, screw pump rotor, screw pump stator, screw pump torque anchor, travelling valve device, screw pump upper connection and screw pump lower contact, described travelling valve device comprises travelling valve ball, valve seat bearing and valve seat pressure cap, it is characterized in that being provided with between described screw pump stator lower end and travelling valve device touching valve, the described valve that touches is by valve cylinder, touch valve body, touch valve pressure cap, touch valve upper connection, touch valve box cupling, touch ratchet on valve, touch valve bottom ratchet wheel and Returnning spring composition, described valve upper connection upper end of touching is fixedly connected with the screw pump lower contact being fixed on screw pump stator lower end, lower end is through touching valve box cupling and touching valve body and be fixedly connected with, described valve body lower end of touching is fixedly connected with valve seat bearing, described touching in valve body is provided with valve cylinder, described touching between valve body and valve cylinder is provided with oil leak hole, described valve cylinder inwall circumference is interval with guide rail bar, described guide rail bar lower end is provided with inclined-plane, be provided with successively from top to bottom in described valve cylinder and touch valve pressure cap, to touch on valve ratchet and touch valve bottom ratchet wheel, describedly to touch on valve ratchet upper end and touch valve pressure cap and plug, lower end is touched in valve bottom ratchet wheel center hole described in being inserted in through slotting axle, and be meshed with the described male and fomale(M&F) touching valve bottom ratchet wheel upper-end surface, the described helical teeth of valve bottom ratchet wheel periphery through being provided with that touch matches with guide rail bar, described bottom ratchet wheel lower end is provided with groove, Returnning spring is provided with in described groove, described Returnning spring upper end and groove inconsistent, lower end is fixedly connected with travelling valve ball, described travelling valve ball is sitting on the center hole on valve seat bearing.
2. a kind of band according to claim 1 touches the screw pump of valve, it is characterized in that described screw pump rotor and screw pump stator all adopt metal material to make, the metal material of described screw pump rotor and screw pump stator is the one in Cr alloyed steel, Hard Alloy Steel, and is prepared from through heat treatment process.
3. a kind of band according to claim 1 touches the screw pump of valve, it is characterized in that being provided with standing valve seat in described faner apparatus, described standing valve seat lower end is fixedly connected with valve seat pressure cap, upper end is fixedly connected with valve seat bearing, and the center hole of described standing valve seat is less than the center hole of valve seat bearing.
4. a kind of band according to claim 1 touches the screw pump of valve, it is characterized in that described screw pump rotor is eccentric rotor, when oil recovery small displacement, high-head helical rotor pump, the eccentric E of described eccentric rotor, diameter D, helical pitch T and the desirable following ratio of progression Z:
When the helical rotor pump of oil recovery huge discharge, middle pressure head, desirable following ratio
5. a kind of band according to claim 1 touches the screw pump of valve, it is characterized in that the helical pitch of described screw pump rotor and screw pump stator diminishes from the bottom to top gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520750595.2U CN204984866U (en) | 2015-09-25 | 2015-09-25 | Screw pump of valve is touched in area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520750595.2U CN204984866U (en) | 2015-09-25 | 2015-09-25 | Screw pump of valve is touched in area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204984866U true CN204984866U (en) | 2016-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520750595.2U Expired - Fee Related CN204984866U (en) | 2015-09-25 | 2015-09-25 | Screw pump of valve is touched in area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204984866U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555751A (en) * | 2015-09-25 | 2017-04-05 | 王彬 | Band touches the screw pump of valve |
| CN108119359A (en) * | 2017-12-25 | 2018-06-05 | 河北鸿凯石油科技有限公司 | A kind of screw pump anti-contrarotation security device |
-
2015
- 2015-09-25 CN CN201520750595.2U patent/CN204984866U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555751A (en) * | 2015-09-25 | 2017-04-05 | 王彬 | Band touches the screw pump of valve |
| CN108119359A (en) * | 2017-12-25 | 2018-06-05 | 河北鸿凯石油科技有限公司 | A kind of screw pump anti-contrarotation security device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20180925 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |