CN203809348U - Electric submersible centrifugal pump with wide displacement range - Google Patents

Electric submersible centrifugal pump with wide displacement range Download PDF

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Publication number
CN203809348U
CN203809348U CN201420198152.2U CN201420198152U CN203809348U CN 203809348 U CN203809348 U CN 203809348U CN 201420198152 U CN201420198152 U CN 201420198152U CN 203809348 U CN203809348 U CN 203809348U
Authority
CN
China
Prior art keywords
pump
impeller
centrifugal pump
pump shaft
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420198152.2U
Other languages
Chinese (zh)
Inventor
隋晓明
穆尔奇
张继平
伊万军
谷志远
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panjin Liaohe River Triumph Electric Pump Co Ltd
Original Assignee
Panjin Liaohe River Triumph Electric Pump Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panjin Liaohe River Triumph Electric Pump Co Ltd filed Critical Panjin Liaohe River Triumph Electric Pump Co Ltd
Priority to CN201420198152.2U priority Critical patent/CN203809348U/en
Application granted granted Critical
Publication of CN203809348U publication Critical patent/CN203809348U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an electric submersible pump, in particular to an electric submersible centrifugal pump with a wide displacement range. The bottom of a pump shaft of the pump penetrates into a bottom guide shell, each impeller assembly is composed of five to ten levels of compressed type guide shells and compressed type impellers, a short handle impeller is adopted by the impeller of the uppermost level of each impeller assembly, a righting support is designed on the lower face of each impeller assembly, the outer end of each righting support abuts against the compressed type guide shell of the lowermost level of the corresponding impeller assembly, the righting supports are mounted on the pump shaft in a sleeved mode, a T-shaped alloy bush is embedded at the center of each righting support and is in interference fit with the inner hole of the corresponding righting support, and a T-shaped alloy shaft sleeve is in clearance fit with the corresponding T-shaped alloy bush and can rotate freely in the T-shaped alloy bush. The electric submersible centrifugal pump can be operated in the wide displacement range, can be operated normally in oil wells with the liquid amount lower than 20 cubic meters per day and larger than 5 cubic meters per day, and the impellers of the centrifugal pump can be prevented from being abraded.

Description

A kind of submersible electric pump centrifugal pump of wide discharge capacity scope
Technical field:
The utility model relates to a kind of submersible electric pump, particularly a kind of submersible electric pump centrifugal pump of wide discharge capacity scope.
Background technique:
Submersible electric pump centrifugal pump is the important component part of electric pump unit, and this multistage centrifugal pump is the High Rotation Speed by impeller, crude oil is pumped to from gage well to ground oil collecting system.There is technically following defect in centrifugal pump at present: the centrifugal pump of every kind of model, can only within the scope of narrower, specific discharge capacity, turn round, for oil well liquid-producing ability, higher or lower than centrifugal pump delivery scope, can accelerate the wearing and tearing of centrifugal pump impeller, even damage; Cannot meet in liquid measure in the oil well lower than 30 side/days uses centrifugal pump to produce.
Model utility content:
The technical problems to be solved in the utility model is to provide a kind of submersible electric pump centrifugal pump of wide discharge capacity scope, this device has been realized and can within the scope of wider discharge capacity, have been turned round, can lower than 20 side/days, be greater than in output 5 side/day liquid measure oil well in run well, prevent centrifugal pump impeller wearing and tearing.Having overcome existing submersible electric pump centrifugal pump cannot use in the oil well lower than 30 side/days in liquid measure, the centrifugal pump impeller large deficiency of wearing and tearing.
Technical solution adopted in the utility model is: a kind of submersible electric pump centrifugal pump of wide discharge capacity scope, comprise pump head, pump shaft, pump case and pump seat, and pump shaft penetrates in pump case, and pump head and pump seat are installed in pump case two ends; On the pump shaft that installs pump key, penetrate many group impeller sets, pump shaft bottom penetrates bottom and leads shell, every group of impeller sets leads shell by the compression type of 5 to 10 grades and compression type impeller forms, upper level impeller every group of impeller sets adopts short handle impeller, below every group of impeller sets, design a straightening support, the outer end of this straightening support is withstood the bottom one-level compression type of impeller sets and is led shell, straightening support is sleeved on pump shaft, T font alloy bushing be embedded in straightening support center and with straightening support endoporus interference fit; T font alloy sleeve and T font alloy bushing endoporus Spielpassung also can rotate freely in T font alloy bushing, adjust spacer and be placed in T font alloy sleeve upper end, adjust spacer and be sleeved on pump shaft, adjust spacer upper end and withstand the bottom one-level compression type of impeller sets impeller.
The beneficial effects of the utility model are: the utility model is owing to having adopted the design of short handle impeller, straightening support and adjustment spacer, thereby there is the function that can turn round within the scope of wider discharge capacity, can lower than 20 side/days, be greater than in output 5 side/day liquid measure oil well in run well, prevent centrifugal pump impeller wearing and tearing.
Accompanying drawing explanation:
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Fig. 1 is structural representation of the present utility model.
Embodiment:
As shown in Figure 1, a kind of submersible electric pump centrifugal pump of wide discharge capacity scope, comprises pump head 1, pump shaft 2, pump case 6 and pump seat 12, and pump shaft 2 penetrates in pump case 6, and pump head 1 and pump seat 12 are installed in pump case 6 two ends; On the pump shaft 2 of pump key, penetrate many group impeller sets installing, pump shaft 2 bottoms penetrate bottom and lead shell 11, every group of impeller sets leads shell 5 by the compression type of 5 to 10 grades and compression type impeller 4 forms, upper level impeller every group of impeller sets adopts short handle impeller 3, when short handle impeller 3 guarantees impeller floating, its upper-end surface can not contact with straightening support 10 lower end surfaces of a upper impeller sets.Below every group of impeller sets, design a straightening support 10, the outer end of this straightening support 10 is withstood the bottom one-level compression type of impeller sets and is led shell 5, straightening support 10 is sleeved on pump shaft 2, T font alloy bushing 9 be embedded in straightening support 10 center and with straightening support 10 endoporus interference fit; T font alloy sleeve 8 also can rotate freely with T font alloy bushing 9 endoporus Spielpassung in T font alloy bushing 9, and the T word upper-end surface of T font alloy bushing 9 coordinates with the T word lower end surface of T font alloy sleeve 8, bears upper parts and fluid pressure; Adjust spacer 7 and be placed in T font alloy sleeve 8 upper ends, adjust spacer 7 and be sleeved on pump shaft 2, adjust spacer 7 upper ends and withstand the bottom one-level compression type of impeller sets impeller 4.
Be understandable that, above about specific descriptions of the present utility model, only for being described, the utility model is not limited to the described technological scheme of the utility model embodiment, those of ordinary skill in the art is to be understood that, still can modify or be equal to replacement the utility model, to reach identical technique effect; As long as meet, use needs, all within protection domain of the present utility model.

Claims (1)

1. a submersible electric pump centrifugal pump for wide discharge capacity scope, comprises pump head (1), pump shaft (2), pump case (6) and pump seat (12), and pump shaft (2) penetrates in pump case (6), and pump head (1) and pump seat (12) are installed in pump case (6) two ends, it is characterized in that: on the pump shaft (2) of pump key, penetrate many group impeller sets installing, pump shaft (2) bottom penetrates bottom and leads shell (11), every group of impeller sets leads shell (5) by the compression type of 5 to 10 grades and compression type impeller (4) forms, upper level impeller every group of impeller sets adopts short handle impeller (3), below every group of impeller sets, design a straightening support (10), the outer end of this straightening support (10) is withstood the bottom one-level compression type of impeller sets and is led shell (5), straightening support (10) is sleeved on pump shaft (2), T font alloy bushing (9) be embedded in straightening support (10) center and with straightening support (10) endoporus interference fit, T font alloy sleeve (8) also can rotate freely with T font alloy bushing (9) endoporus Spielpassung in T font alloy bushing (9), adjust spacer (7) and be placed in T font alloy sleeve (8) upper end, adjust spacer (7) and be sleeved on pump shaft (2) above, adjust spacer (7) upper end and withstand the bottom one-level compression type impeller (4) of impeller sets.
CN201420198152.2U 2014-04-22 2014-04-22 Electric submersible centrifugal pump with wide displacement range Expired - Fee Related CN203809348U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420198152.2U CN203809348U (en) 2014-04-22 2014-04-22 Electric submersible centrifugal pump with wide displacement range

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420198152.2U CN203809348U (en) 2014-04-22 2014-04-22 Electric submersible centrifugal pump with wide displacement range

Publications (1)

Publication Number Publication Date
CN203809348U true CN203809348U (en) 2014-09-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420198152.2U Expired - Fee Related CN203809348U (en) 2014-04-22 2014-04-22 Electric submersible centrifugal pump with wide displacement range

Country Status (1)

Country Link
CN (1) CN203809348U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106194775A (en) * 2016-08-25 2016-12-07 中国石油天然气股份有限公司 Ternary composite driving antiscale submersible electric pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106194775A (en) * 2016-08-25 2016-12-07 中国石油天然气股份有限公司 Ternary composite driving antiscale submersible electric pump

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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: 20140903

Termination date: 20150422

EXPY Termination of patent right or utility model