CN209115048U - A kind of heat insulation type viscous crude extraction hollow rod - Google Patents
A kind of heat insulation type viscous crude extraction hollow rod Download PDFInfo
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- CN209115048U CN209115048U CN201822048271.0U CN201822048271U CN209115048U CN 209115048 U CN209115048 U CN 209115048U CN 201822048271 U CN201822048271 U CN 201822048271U CN 209115048 U CN209115048 U CN 209115048U
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Abstract
The utility model discloses a kind of heat insulation type viscous crude to extract hollow rod, including club shaft of pumping, one end of the oil pumping club shaft is equipped with threaded connector, the other end of the oil pumping club shaft is equipped with screw shell, the oil pumping club shaft includes stainless steel insulated exterior duct, the heat-insulated inner tube of stainless steel, vacuum layer and insulating layer, the middle position of stainless steel insulated exterior duct is arranged in the heat-insulated inner tube of stainless steel, the outer wall of the heat-insulated inner tube of stainless steel is provided with insulating layer, vacuum layer is provided between insulating layer and stainless steel insulated exterior duct, the upper end of the heat-insulated inner tube of stainless steel is connect with threaded connector, upper seal is provided between the upper end and stainless steel insulated exterior duct of the heat-insulated inner tube of stainless steel, the inside of the upper seal is provided with upper insulation ring between stainless steel insulated exterior duct and the heat-insulated inner tube of stainless steel.By setting bimetallic tube, and in bimetallic tube, setting insulating layer and vacuum layer greatly improve the heat insulation and preservation effect of sucker rod to the utility model.
Description
Technical field
The utility model relates to sucker rod technical field, specially a kind of heat insulation type viscous crude extracts hollow rod.
Background technique
Effect petroleum of the petroleum in national economy is important energy source, with coal facies ratio, transport storage big with energy density
The advantages that smaller to the pollution level of atmosphere after convenient, burning.The fuel oil refined from petroleum is means of transport, power station pot
Furnace, metallurgical industry and the various kilns of building material industry main fuel, be by the liquefied gas of raw material and piped gas of petroleum
The high-grade fuel of life of urban resident application, aircraft, tank, naval vessels, rocket and other spacecrafts also consume bulk petroleum combustion
Material.Therefore, petroleum is all classified as strategic materials by many countries, and oil exploitation, which refers to, carries out petroleum in the place for having petroleum storage
The behavior excavated, extracted.During exploiting petroleum, oil gas flows into shaft bottom from reservoir, and the drive of well head is risen to from shaft bottom
Flowing mode, sucker rod are the slender rod pieces of rod-pumped well, connect polished rod on it, under connect the effect that oil pumping pumps up transmitting power, be stone
Important component part in oily winning apparatus.
But existing viscous crude, because of viscosity of thickened oil height, is difficult to flow in exploitation, generally requires and carries out electric add to viscous crude
Its low viscosity of heat drop increases its mobility, but the heat insulation and preservation effect that existing viscous crude extracts hollow rod is poor, and heat exists
Sucker rod internal loss is very fast, so that viscous crude extraction becomes difficult, power consumption is also increase accordingly.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of heat insulation type viscous crude extraction hollow rod, solves
Existing technology heat insulation and preservation effect is poor, and viscous crude extracts inconvenient problem.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of hollow oil pumping of heat insulation type viscous crude extraction
Bar, including oil pumping club shaft, one end of the oil pumping club shaft are equipped with threaded connector, the other end of the oil pumping club shaft
Screw shell is installed, the oil pumping club shaft includes stainless steel insulated exterior duct, the heat-insulated inner tube of stainless steel, vacuum layer and heat preservation
The middle position of stainless steel insulated exterior duct, the outer wall of the heat-insulated inner tube of stainless steel is arranged in layer, the heat-insulated inner tube of stainless steel
It is provided with insulating layer, vacuum layer is provided between the insulating layer and stainless steel insulated exterior duct, the heat-insulated inner tube of stainless steel
Upper end is connect with threaded connector, is provided with sealing between the upper end and stainless steel insulated exterior duct of the heat-insulated inner tube of stainless steel
Circle, the inside of the upper seal is provided with upper insulation ring between stainless steel insulated exterior duct and the heat-insulated inner tube of stainless steel, described
The bottom end of the heat-insulated inner tube of stainless steel is plugged on inside screw shell, between the bottom end and screw shell of the heat-insulated inner tube of stainless steel
It is provided with lower seal, under the upper end of the lower seal is provided between the heat-insulated inner tube of stainless steel and stainless steel insulated exterior duct
Insulation ring.
Preferably, the outer diameter of the threaded connector and the internal diameter of screw shell are equal.
Preferably, the upper seal and lower seal are nitrile rubber sealing ring.
Preferably, the insulating layer is polyurethane thermal pipe.
Preferably, the upper insulation ring and lower insulation ring are foam circle.
Preferably, the heat-insulated inner tube aperture of the stainless steel is slightly less than the size of threaded connector.
(3) beneficial effect
The utility model provides a kind of heat insulation type viscous crude and extracts hollow rod, have it is following the utility model has the advantages that
(1) the utility model is heat-insulated outer by stainless steel by setting stainless steel insulated exterior duct and the heat-insulated inner tube of stainless steel
The setting of pipe and the heat-insulated inner tube of stainless steel forms double thermal insulation effect, so that heavy oil heating heat loss speed is slower, it is viscous crude
It extracts and convenience is provided, while two-tube setting increases the intensity of sucker rod entirety, the service life is longer.
(2) the utility model is by setting vacuum layer, insulating layer, upper insulation ring and lower insulation ring, in use, insulating layer is
Polyurethane thermal pipe and the outside for being socketed in the heat-insulated inner tube of stainless steel, polyurethane thermal pipe have heat insulating effect, and resistance to
Oiliness is preferable, can play the first layer heat insulation effect to sucker rod, and vacuum is arranged between insulating layer and stainless steel insulated exterior duct
Layer can be further reduced the loss of heat, avoid heat too fast and be transferred to stainless steel insulated exterior duct from the heat-insulated inner tube of stainless steel and dissipate
It losing, upper insulation ring and lower insulation ring are made of foam, and the heat of the heat-insulated inner tube of stainless steel can be prevented to scatter and disappear from both ends are too fast, from
And viscous crude can be kept to have preferable mobility the long period, facilitate and is extracted.
Detailed description of the invention
Fig. 1 is the outer tube figure of the utility model;
Fig. 2 is the cross-sectional view of the utility model;
Fig. 3 is the schematic enlarged-scale view in the utility model Fig. 2 at A.
In figure: 1, club shaft of pumping;2, threaded connector;3, screw shell;4, stainless steel insulated exterior duct;5, stainless steel every
Hot inner tube;6, vacuum layer;7, insulating layer;8, upper seal;9, lower seal;10, upper insulation ring;11, lower insulation ring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1-3, the utility model provides a kind of technical solution: a kind of heat insulation type viscous crude extraction hollow rod,
Including club shaft 1 of pumping, one end of oil pumping club shaft 1 is equipped with threaded connector 2, and the other end of oil pumping club shaft 1 is equipped with
Screw shell 3, oil pumping club shaft 1 include stainless steel insulated exterior duct 4, the heat-insulated inner tube 5 of stainless steel, vacuum layer 6 and insulating layer 7, no
The middle position of stainless steel insulated exterior duct 4 is arranged in the rust heat-insulated inner tube 5 of steel, and the outer wall of the heat-insulated inner tube 5 of stainless steel is provided with heat preservation
Layer 7, is provided with vacuum layer 6, the upper end of the heat-insulated inner tube 5 of stainless steel and threaded connection between insulating layer 7 and stainless steel insulated exterior duct 4
First 2 connection, is provided with upper seal 8 between the upper end and stainless steel insulated exterior duct 4 of the heat-insulated inner tube 5 of stainless steel, upper seal 8
Inside is provided with upper insulation ring 10 between stainless steel insulated exterior duct 4 and the heat-insulated inner tube 5 of stainless steel, the heat-insulated inner tube 5 of stainless steel
Bottom end is plugged on inside screw shell 3, is provided with lower seal 9 between the bottom end and screw shell 3 of the heat-insulated inner tube 5 of stainless steel,
The upper end of lower seal 9 is provided with lower insulation ring 11 between the heat-insulated inner tube 5 of stainless steel and stainless steel insulated exterior duct 4, and screw thread connects
The outer diameter of connector 2 is equal with the internal diameter of screw shell 3, and upper seal 8 and lower seal 9 are nitrile rubber sealing ring,
Insulating layer 7 is polyurethane thermal pipe, and upper insulation ring 10 and lower insulation ring 11 are foam circle, and heat-insulated 5 aperture of inner tube of stainless steel is omited
Less than the size of threaded connector 2.
In use, the setting by stainless steel insulated exterior duct 4 and the heat-insulated inner tube 5 of stainless steel forms double thermal insulation effect, make
Heavy oil heating heat loss speed is slower, insulating layer 7 is polyurethane thermal pipe and is socketed in the outer of the heat-insulated inner tube 5 of stainless steel
Portion, polyurethane thermal pipe has heat insulating effect, and oil resistivity is preferable, can play the first layer heat preservation effect to sucker rod
The loss that vacuum layer 6 can be further reduced heat is arranged between insulating layer 7 and stainless steel insulated exterior duct 4, avoids heat mistake for fruit
Stainless steel insulated exterior duct 4 is transferred to from the heat-insulated inner tube 5 of stainless steel fastly and is scattered and disappeared, and upper insulation ring 10 and lower insulation ring 11 use foam
Production can prevent the heat of the heat-insulated inner tube 5 of stainless steel to scatter and disappear from both ends are too fast.
It can to sum up obtain, the utility model passes through setting stainless steel insulated exterior duct 4, the heat-insulated inner tube 5 of stainless steel, vacuum layer 6, guarantor
Warm layer 7, upper insulation ring 10 and lower insulation ring 11, solve that heat insulation and preservation effect is poor, and viscous crude extracts inconvenient problem.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of heat insulation type viscous crude extracts hollow rod, including oil pumping club shaft (1), it is characterised in that: the sucker rod bar
One end of body (1) is equipped with threaded connector (2), and the other end of oil pumping club shaft (1) is equipped with screw shell (3), institute
Stating oil pumping club shaft (1) includes stainless steel insulated exterior duct (4), the heat-insulated inner tube of stainless steel (5), vacuum layer (6) and insulating layer (7),
The heat-insulated inner tube of stainless steel (5) is arranged in the middle position of stainless steel insulated exterior duct (4), the heat-insulated inner tube of stainless steel (5)
Outer wall be provided with insulating layer (7), be provided with vacuum layer (6), institute between the insulating layer (7) and stainless steel insulated exterior duct (4)
The upper end for stating the heat-insulated inner tube of stainless steel (5) is connect with threaded connector (2), the upper end of the heat-insulated inner tube of stainless steel (5) with not
It is provided with upper seal (8) between rust steel insulated exterior duct (4), the inside of the upper seal (8) is in stainless steel insulated exterior duct (4)
It is provided between the heat-insulated inner tube of stainless steel (5) insulation ring (10), the bottom end of the heat-insulated inner tube of stainless steel (5) is plugged on spiral shell
Line sleeve (3) is internal, is provided with lower seal (9) between the bottom end and screw shell (3) of the heat-insulated inner tube of stainless steel (5),
The upper end of the lower seal (9) is provided with lower insulation ring between the heat-insulated inner tube of stainless steel (5) and stainless steel insulated exterior duct (4)
(11)。
2. a kind of heat insulation type viscous crude according to claim 1 extracts hollow rod, it is characterised in that: the threaded connection
The outer diameter of head (2) is equal with the internal diameter of screw shell (3).
3. a kind of heat insulation type viscous crude according to claim 1 extracts hollow rod, it is characterised in that: the upper seal
(8) and lower seal (9) is nitrile rubber sealing ring.
4. a kind of heat insulation type viscous crude according to claim 1 extracts hollow rod, it is characterised in that: the insulating layer
It (7) is polyurethane thermal pipe.
5. a kind of heat insulation type viscous crude according to claim 1 extracts hollow rod, it is characterised in that: the upper insulation ring
(10) and lower insulation ring (11) is foam circle.
6. a kind of heat insulation type viscous crude according to claim 1 extracts hollow rod, it is characterised in that: the stainless steel every
Hot inner tube (5) aperture is slightly less than the size of threaded connector (2).
Priority Applications (1)
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CN201822048271.0U CN209115048U (en) | 2018-12-07 | 2018-12-07 | A kind of heat insulation type viscous crude extraction hollow rod |
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CN201822048271.0U CN209115048U (en) | 2018-12-07 | 2018-12-07 | A kind of heat insulation type viscous crude extraction hollow rod |
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CN209115048U true CN209115048U (en) | 2019-07-16 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111852351A (en) * | 2020-06-23 | 2020-10-30 | 肖云东 | Oil field special buckle oil pipe short joint |
-
2018
- 2018-12-07 CN CN201822048271.0U patent/CN209115048U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111852351A (en) * | 2020-06-23 | 2020-10-30 | 肖云东 | Oil field special buckle oil pipe short joint |
CN111852351B (en) * | 2020-06-23 | 2022-02-25 | 大庆市奈固石油机械设备制造有限公司 | Oil field special buckle oil pipe short joint |
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