CN203827538U - Carbon fiber composite heating and electro-thermal rod for oil extraction - Google Patents
Carbon fiber composite heating and electro-thermal rod for oil extraction Download PDFInfo
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- CN203827538U CN203827538U CN201420261175.3U CN201420261175U CN203827538U CN 203827538 U CN203827538 U CN 203827538U CN 201420261175 U CN201420261175 U CN 201420261175U CN 203827538 U CN203827538 U CN 203827538U
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- carbon fiber
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Abstract
The utility model discloses a heating and electro-thermal rod for oil extraction, more particularly a carbon fiber composite heating and electro-thermal rod for oil extraction. The carbon fiber composite heating and electro-thermal rod is structured as follows: its core is a conductive copper core. The outermost layer is a heat conducting iron armor. Between the copper core and the heat conducting iron armor is provided an insulation material layer. The insulation material layer is embedded by a carbon fiber heater. The heat conducting iron armor and the copper core are connected short through metallic short joints at the tail end of the rod. The carbon fiber heater is provided with a structure of sections. One end of each section of the carbon fiber heater is connected with the inner wall of the heat conducting iron armor; the other end of each section of the carbon fiber heater is connected with the outer wall of the copper core. The carbon fiber composite heating and electro-thermal rod of the utility model has a high electro-thermal conversion rate. Given the same electric power, the rod produces more heat. The iron armor at the outer layer is an entire body and the reliability of a cable increases. Light in weight and diameter narrowed, the rod can be applied more widely. The energy saving effect of the rod is also quite significant.
Description
Technical field
The utility model relates to a kind of heating electric hot rod, particularly relates to a kind of heavy crude producing and the high solidifying oily special carbon-fiber composite heating heating sucker rod of oil recovery.
Background technology
When viscous crude and high solidifying oil exploitation, must adopt dedicated electric-thermal device, to improve the mobility of crude oil.At present, the electric calorifie installation extensively adopting is a kind of intermediate frequency heating cable, is commonly called as copper core iron armour cable.The SMIS of cable is copper, and crust is mail, between copper core and mail crust, has insulating barrier.In the middle of take place frequently electric heating cable apply frequency 500Hz～1000Hz, voltage 1200V left and right voltage of intermediate frequency time, in intermediate frequency heating cable, just can flow through electric current of intermediate frequency.Due to skin effect, mail resistance increases, thereby has a resistance heating.Change frequency of supply, can change the resistance of mail, thereby change the caloric value of mail.
Due to the restriction of heating principle and cable construction, there is following problem in this intermediate frequency heating: 1,, because the heater of this intermediate frequency heating cable is metal, electric conversion efficiency is low.Because metallic heating body is in heating, can follow luminous and launch the radio wave of various frequencies, wherein remove outside infrared light transferring heat energy, the light of other frequency spectrums and a various radio wave consumed power, transferring heat energy not, therefore the heat efficiency is low; 2, intermediate frequency heating cable is from great, 1000 meters nearly 1.5 tons.In oil recovery process, intermediate frequency heating cable is dragged and is pumped by motor with the pump housing and sucker rod.The deadweight of intermediate frequency heating cable is higher, also just higher to the power requirement of motor, has also increased the electric energy of electrical consumption simultaneously; 3, this cable is by 9 meters one section, and one section one section welds, and insulating properties is bad, and in on-the-spot use procedure, often by voltage breakdown, failure rate is very high.
Chinese patent, CN202496080U discloses a kind of thickened oil recovery carbon fiber heating cable, and this kind of cable is applicable to thickened oil recovery with using, but the outer steel armour of the cable of this kind of structure only plays a protective role, and its electric conversion efficiency is lower; The copper core of this patent is placed in a support, need copper core to fit inside from the centre bore of support, in the time that the length of cable is larger, producing can be very difficult, owing to having increased supporting structure, can cause the diameter of cable very large, certainly will affect the range of application of this heating cable, also increase the weight of cable simultaneously.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides the special carbon-fiber composite heating heating sucker rod of oil recovery of a kind of heavy crude producing and high solidifying oily use, and its object is: improve heating electric hot rod electric conversion efficiency, reduce heating sucker rod deadweight, dwindle heating sucker rod diameter, realize energy-conservation target.
For reaching above-mentioned purpose, the utility model is achieved by the following technical solution:
The special carbon-fiber composite heating heating sucker rod that recovers the oil, its structure is as follows: core is conductive copper core; Outermost layer is heat conduction mail; Between copper core and heat conduction mail, it is insulation material layer; Be embedded in carbon fiber exothermic part at insulation material layer; Tail end is by metal short circuit head by heat conduction mail and copper core short circuit, and carbon fiber exothermic part is segmental structure, and one end of every section of carbon fiber exothermic part is connected with the inwall of heat conduction mail, and the other end of every section of carbon fiber exothermic part is connected with the outer wall of copper core.
The longitudinal cross-section of every section of above-mentioned carbon fiber exothermic part is handle shape structure.
Thickness the best of above-mentioned heat conduction mail is 1.7mm～1.8mm.
Above-mentioned copper core is that sub-thread, cross section are circle, and diameter is 5.0mm～6.5mm.
Owing to adopting said structure, the utility model heating electric hot rod tool is had the following advantages and effect:
1, heating efficiency is high.Because this heating electric hot rod adopts carbon fiber and metallic heating body heat conduction mail composite heating mode, therefore electric conversion efficiency is high.
2, this kind of heating sucker rod is lightweight.Because carbon fiber is lightweight, make this kind of heating sucker rod contrast original intermediate frequency heating cable lightweight, do not use support compared with first patent again, also reduce deadweight, it can lower motor load, reaches energy-conservation object.
3, outer mail is an entirety, and the reliability of heating sucker rod has improved, and reduced has expanded range of application.
Brief description of the drawings
Fig. 1 is the recover the oil longitudinal profile structural representation of special carbon-fiber composite heating heating sucker rod of the utility model.
In figure: 1, heat conduction mail; 2, insulation material layer; 3, carbon fiber exothermic part; 4, copper core; 5, short circuit head.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, but protection range of the present utility model is not limit by embodiment.
As shown in Figure 1, the utility model special carbon-fiber composite heating heating sucker rod that recovers the oil, its structure is as follows: the core of heating sucker rod is conductive copper core 4; Outermost layer is heat conduction mail 1; Between copper core 4 and heat conduction mail 1, it is insulation material layer 2; Be embedded in carbon fiber exothermic part 3 at insulation material layer 2; The tail end of heating sucker rod by metal short circuit head 8 by heat conduction mail 1 and copper core 4 short circuits; The thickness of heat conduction mail 1 is 1.7mm～1.8mm, and the best is 1.75 mm, and carbon fiber exothermic part 3 is segmental structure; The length of every section of carbon fiber exothermic part 3 can be the same or different; One end of every section of carbon fiber exothermic part 3 is connected with the inwall of heat conduction mail 1, and the other end is connected with the outer wall of copper core 4, forms multiple galvanic circles, improves electric conversion efficiency; The longitudinal cross-section of every section of carbon fiber exothermic part 3 is handle shape structure.
Carbon fiber exothermic part can be ring-type, a carbon fiber line of multi-strand carbon fiber silk composition, 2 carbon fiber lines of multi-strand carbon fiber silk composition, 3 carbon fiber lines of multi-strand carbon fiber silk composition or 4 carbon fiber lines of multi-strand carbon fiber silk composition.Copper core 4 is that sub-thread, cross section are circle, and diameter is 5.0mm～6.5mm.
Copper core 4 is electric conductors, requires resistance little, and oxidation resistance is strong.Insulation material layer 2 insulating material used requires to have good insulation property, has good heat conductivility simultaneously.Carbon fiber exothermic part 3 adopts carbon fiber heating material to make, and its electric conversion efficiency is high, lightweight, resistance to oxidation, corrosion-resistant, long service life.The outermost layer of heating sucker rod is heat conduction mail, and the effect of heat conduction mail 1 is as follows: the one, and carbon fiber and insulating material to heating sucker rod inside shield, and prevent that exterior object from damaging carbon fiber and insulating material, also prevent that oil, water etc. from entering cable inside simultaneously; Second effect is load-bearing; The 3rd is that the heat conductivility of heat conduction mail is fine, can rapidly the heat of heating sucker rod inside be transmitted to the outside of heating sucker rod, it and carbon fiber exothermic part composite heating, because heat conduction mail is at the outermost layer of cable, do not need just directly heat to be passed through any Heat Conduction Material, heat transfer efficiency is higher.The external diameter the best of having wrapped the rear the utility model heating sucker rod of mail 1 is 16.0mm～18.0 mm; Length is between 800m～1500m, and weight is about 500Kg～1000Kg, and load-bearing relies on the outer field heat conduction mail of heating sucker rod completely.
Claims (4)
1. the special carbon-fiber composite heating heating sucker rod of oil recovery, is characterized in that structure is as follows: core is conductive copper core (4); Outermost layer is heat conduction mail (1); Between copper core (4) and heat conduction mail (1), be insulation material layer (2); Be embedded in carbon fiber exothermic part (3) at insulation material layer (2); Tail end by metal short circuit head (8) by heat conduction mail (1) and copper core (4) short circuit; Carbon fiber exothermic part (3) is segmental structure; One end of every section of carbon fiber exothermic part (3) is connected with the inwall of heat conduction mail (1), and the other end of every section of carbon fiber exothermic part (3) is connected with the outer wall of copper core (4).
2. the special carbon-fiber composite heating heating sucker rod that recovers the oil according to claim 1, is characterized in that the longitudinal cross-section of described every section of carbon fiber exothermic part (3) is handle shape structure.
3. the special carbon-fiber composite heating heating sucker rod that recovers the oil according to claim 1, is characterized in that thickness the best of described heat conduction mail (1) is 1.7mm～1.8mm.
4. the special carbon-fiber composite heating heating sucker rod that recovers the oil according to claim 1, is characterized in that described copper core (4) is for sub-thread, cross section are for circular, and diameter is 5.0mm～6.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420261175.3U CN203827538U (en) | 2014-05-21 | 2014-05-21 | Carbon fiber composite heating and electro-thermal rod for oil extraction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420261175.3U CN203827538U (en) | 2014-05-21 | 2014-05-21 | Carbon fiber composite heating and electro-thermal rod for oil extraction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203827538U true CN203827538U (en) | 2014-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420261175.3U Expired - Fee Related CN203827538U (en) | 2014-05-21 | 2014-05-21 | Carbon fiber composite heating and electro-thermal rod for oil extraction |
Country Status (1)
| Country | Link |
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| CN (1) | CN203827538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105939547A (en) * | 2016-06-22 | 2016-09-14 | 李晓鸥 | Carbon fiber heating cable for oil production |
-
2014
- 2014-05-21 CN CN201420261175.3U patent/CN203827538U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105939547A (en) * | 2016-06-22 | 2016-09-14 | 李晓鸥 | Carbon fiber heating cable for oil production |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20180521 |