CN2234516Y - Oil-water-gas mixed delivering three-screw pump - Google Patents
Oil-water-gas mixed delivering three-screw pump Download PDFInfo
- Publication number
- CN2234516Y CN2234516Y CN 95240955 CN95240955U CN2234516Y CN 2234516 Y CN2234516 Y CN 2234516Y CN 95240955 CN95240955 CN 95240955 CN 95240955 U CN95240955 U CN 95240955U CN 2234516 Y CN2234516 Y CN 2234516Y
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- China
- Prior art keywords
- bearing
- pump
- follower lever
- lever
- utility
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- Expired - Fee Related
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- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The utility model discloses an oil-water-gas mixed delivering three-screw pump which is composed of a pump body, a pump sleeve, a driving rod, a driven rod, a bearing body, a bearing, sliding bearings, an adjusting pad, a thrust bearing, gears and sealing rings. Corresponding to existing products, the utility model is characterized in that both ends of the driven rod are supported by the sliding bearings and are provided with the thrust bearing for the axial limitation, and the left ends of the driving rod and the driven rod are also provided with the gears which are mutual meshed. The whole pump is sealed by the metal sealing rings. The utility model has the advantages of long service life and high efficiency; the utility model can be used for delivering lubricating liquid, can also be used for delivering mixed liquid with low viscosity, and can be widely used for delivering various liquids of industry.
Description
The utility model relates to a kind of volume type screw pump, and particularly a kind of profit gas mixes defeated three screw pump.
Existing three screw pump only can be carried the lubricity liquid of various non-corrosiveness oils and similar oil, and the viscosity of the liquid of carrying is 1.2～100 ° of E (3-760cst) and can not carry the mixed solution of low viscosity, poor lubricity, gassiness.The driven screw rod of three screw pump is not effectively worked, and only as stoping liquid from discharging the seal action of chamber leakage current to suction chamber, in normal working procedure, it be not since initiatively screw rod directly promote to rotate, but under the fluid pressure effect of being sent by suction and rotate.Because it is incompressible that liquid can be regarded as, thus existing three screw pump when carrying liquid, the pressure that acts on follower lever is a definite value.When in being transferred liquid, sneaking into a large amount of gas, because gas is compressible, then mixed solution becomes elastomer, act on fluid pressure how much the changing on the driven screw rod with contained gas in the liquid, thereby cause existing screw pump when carrying mixed solution, to produce the asynchronous vibration that causes between stronger radially, axial, principal and subordinate's bar, pump just was damaged in several days.As disclosed screw pump in " the pump product sample " published according to China Machine Press 90 years, and the 363 serial screw pumps produced of Tianjin industrial pump head factory and introduce the function that SN series screw pump that Germany " ALLWEILER " company technology produces does not possess the transfusion of mixing in recent years.China is a more rich country of petroleum resources, the oil production technology of most wells all is that high pressure water is injected the down-hole, the mixed solution of Oil, Water, Gas is evacuated to the transport pipe of well head with pumping unit, with pump it is transported to multi-purpose station again through metering station, at multi-purpose station materials such as Oil, Water, Gas are separated, water is refilled the down-hole, crude oil then is transported to oil refinery or fuel tank, therefore, press for the mixed defeated problem of profit gas that solves.
The purpose of this utility model provides a kind ofly can carry lubricity liquid, can carry the profit gas of low viscosity, moisture gas-liquid to mix defeated three screw pump again.
The purpose of this utility model is achieved in that this profit gas mixes defeated three screw pump, comprises the pump housing, pump block, driving lever, follower lever, bearing support, bearing.Driving lever is supported in the pump block with two follower levers by the bearing in the bearing support, and constitute the working seal chamber with pump block, pump block is supported in the pump housing, it is characterized in that on the two end axles of the left and right sides of follower lever, being respectively equipped with the sliding bearing that prevents the follower lever radial motion, left end shaft section at follower lever is provided with the thrust-bearing of regulating pad and preventing the follower lever axial motion successively, right-hand member axial end at follower lever is provided with thrust-bearing, on the left end end face axle of driving lever and follower lever, be provided with and make the master, the gear that is synchronized with the movement from bar, and the position between sliding bearing and thrust-bearing is provided with sealing.Existing three screw pump why can not transferring oil gas-vapor mix liquid, be because the variation in pressure impermanence in the profit gas mixed solution, thereby make follower lever do radial and axial vibration, and cause whirling vibration owing to asynchronous between the master and slave bar, because abnormal vibration fierceness, so the parts of badly damaged screw pump.In the utility model, do radial vibration for preventing follower lever, on the two end axles of the left and right sides of follower lever, be respectively equipped with sliding bearing, do axial vibration for preventing follower lever, be provided with the promotion bearing at the two ends of follower lever, be the vibration that prevents that asynchronous motion causes between the master and slave bar, be provided with pitch wheel at the left end of master and slave bar.For avoiding taking place direct friction, should keep certain movement clearance between each moving element, be generally between 0.02～0.12mm.
The utility model compared with prior art, its remarkable advantage is: 1, not only can carry the lubricity liquid of 3～760sct, and can carry low viscosity Combination liquid.2, the friction percussion significantly reduces between the parts, has prolonged the working life of pump.3, transfusion efficient height.
The utility model is described in further detail below in conjunction with drawings and Examples.
Accompanying drawing is defeated three screw pump structural representation for profit gas mixes.
Embodiment: with 3G110 * 2 type screw pumps is example.The profit gas that the utility model is made mixes defeated three screw pump and comprises the pump housing (1), pump block (2), driving lever (3), follower lever (4), bearing support (5), bearing (6), sliding bearing (7) and (8), adjusting pad (9), thrust-bearing (10) and (11), gear (12), sealing (13) and (14).The position relation each other of the pump housing (1), pump block (2), driving lever (3), follower lever (4), bearing support (5), bearing (6) is with existing identical, be driving lever (3) by the bearing (6) in the bearing support (5) in two follower levers (4) are supported in pump block (2), and constituting the working seal chamber with pump block (2), pump block (2) is supported in the pump housing (1).The left and right sides two end axles of follower lever (4) is supported in the pump block (2) by graphite sliding bearing (7) and (8) respectively, follower lever (4) left end shaft section is provided with metallic shim (9) and axial thrust bearing (10) successively, and right-hand member axial end place is provided with corresponding axial thrust bearing (11).On the left end end axle of driving lever (3) and follower lever (4), be provided with pitch wheel (12).In order to make whole pump seal, on master and slave bar left end shaft, be provided with metallic seal (13), be provided with sealing (14) at the driving shaft right-hand member.
Claims (1)
- A kind of profit gas mixes defeated three screw pump, comprise the pump housing (1), pump block (2), driving lever (3), follower lever (4), bearing support (5), bearing (6), driving lever (3) by the bearing (6) in the bearing support (6) in two follower levers (4) are supported in pump block (2), and constitute the working seal chamber with pump block (2), pump block (2) is supported in the pump housing (1), it is characterized in that on the left and right sides two end axles of follower lever (4), being respectively equipped with the sliding bearing (7) that prevents follower lever (4) radial motion, (8), left end shaft section at follower lever (4) is provided with the thrust-bearing (10) of regulating pad (9) and preventing follower lever (4) axial motion successively, right-hand member axial end at follower lever (4) is provided with thrust-bearing (11), on the left end end axle of driving lever (3) and follower lever (4), be provided with and make the master, the gear that follower lever is synchronized with the movement (12), and the position between sliding bearing (7) and thrust-bearing (10) is provided with sealing (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95240955 CN2234516Y (en) | 1995-11-28 | 1995-11-28 | Oil-water-gas mixed delivering three-screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95240955 CN2234516Y (en) | 1995-11-28 | 1995-11-28 | Oil-water-gas mixed delivering three-screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2234516Y true CN2234516Y (en) | 1996-09-04 |
Family
ID=33882439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95240955 Expired - Fee Related CN2234516Y (en) | 1995-11-28 | 1995-11-28 | Oil-water-gas mixed delivering three-screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2234516Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973379A (en) * | 2019-03-22 | 2019-07-05 | 重庆大学 | A kind of three screw rod mixing delivery pumps |
-
1995
- 1995-11-28 CN CN 95240955 patent/CN2234516Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973379A (en) * | 2019-03-22 | 2019-07-05 | 重庆大学 | A kind of three screw rod mixing delivery pumps |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |