CN202332353U - Waterproof rubber jacket flexible cable for deep geothermal heat pump - Google Patents
Waterproof rubber jacket flexible cable for deep geothermal heat pump Download PDFInfo
- Publication number
- CN202332353U CN202332353U CN2011204088780U CN201120408878U CN202332353U CN 202332353 U CN202332353 U CN 202332353U CN 2011204088780 U CN2011204088780 U CN 2011204088780U CN 201120408878 U CN201120408878 U CN 201120408878U CN 202332353 U CN202332353 U CN 202332353U
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- flexible cable
- heat pump
- geothermal heat
- waterproof rubber
- layer
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Abstract
The utility model provides a waterproof rubber jacket flexible cable for a deep geothermal heat pump. A conductor shielding layer, an insulating layer, an insulated shielding layer, a reinforced filling layer, a reinforcing layer, a waterproof layer, an inner jacket layer, a heat insulation layer and an outer jacket layer are wrapped outside a conductor of the waterproof rubber jacket flexible cable in sequence. The waterproof rubber sleeve flexible cable for the deep geothermal heat pump has the properties of excellent corrosion resistance, ageing resistance, water resistance, acid and alkali resistance, oil resistance, anti-tension and the like and is particularly suitable for a water pump power cable socked in acid and alkali high-temperature water for a long time in a geothermal heat system.
Description
Technical field
The utility model belongs to the special cable technical field, is specifically related to a kind of deep geothermal heat pump and uses the waterproof rubber sleeve flexible cable.
Technical background
Underground heat is important energy class mineral products, is again reproducible clean energy resource.China's geothermal resources are abundant, and distribution is extensive, can supply to exploit in the depth bounds of utilization, the middle low temperature underground heat of existing extensive distribution, have again can the direct generation of electricity high-temperature geothermal.It is said that the whole nation is 103 places through the geothermal field of formally reconnoitring and examine through land resources reserves administrative responsibile institution, through 214 of the geothermal fields of preliminary assessment.According to preresearch estimates, national major sedimentary basin is 2000 meters geothermal energies with interior storage far from the face of land, are equivalent to the heat of 2,500 hundred million tons of standard coals.Though the ratio that present underground heat accounts in China's energy resource structure is less than 0.5% also, the utilization of geothermal resources can reduce the use of conventional energy resource, reduces environmental pollution, and development and use have a high potential.
The GEOTHERMAL WATER temperature is higher, and 30 to 100 degrees centigrade of long-term constant temperature are in the accelerated ageing environment cable; In addition, contain multiple aggressive chemistry component in the GEOTHERMAL WATER, often geothermal utilization equipment is caused serious corrosion failure, directly influence the useful life of equipment.The principal element of GEOTHERMAL WATER corrosion is:
(1) chloride ion (Cl
-): the chloride ion radius is little, and penetration capacity is strong, therefore passes the existing protective layer in metal surface easily and causes carbon steel, stainless steel and other alloys strong crevice corrosion, pitting and stress corrosion etc.When having dissolved chlorine in the GEOTHERMAL WATER, corrosiveness is just particularly evident.
(2) dissolved oxygen (O
2): be most important corrosive substance in the GEOTHERMAL WATER.In hot water numerously, though oxygen is not that component is often arranged, in the geothermal utilization system, can get into from air by aerobic, and increase to the Corrosion of Metallic Materials effect, as containing 3 * 10 in the GEOTHERMAL WATER
-5The O of mg/L
2, will make the homogeneous corrosion speed of carbon steel increase by 4 times, under the many situation of oxonium ion content, local corrosion can be even more serious.
(3) sulfate radical (SO
2- 4): its effect is similar with chloride ion, and influence power is with the concentration chloride ion.In most of GEOTHERMAL WATER, SO
2- 4Little to corrosiveness, but in the lower GEOTHERMAL WATER of chlorine ion concentration, can produce certain corrosion.In addition, SO
2- 4Cement there is corrosion function.
(4) pH value: become acid or alkaline, cable cover(ing) and insulating barrier are all had corrosion function, thereby lower the insulation resistance of cable, the useful life of reducing cable.
Therefore, require this kind cable to have excellent high temperature resistant, ageing-resistant, acid and alkali-resistance, corrosion-resistant, water resistance.
Summary of the invention
The purpose of the utility model is to provide a kind of and has excellent high temperature resistant, ageing-resistant, acid and alkali-resistance, deep geothermal heat pump corrosion-resistant, water resistance is used the waterproof rubber sleeve flexible cable.
For realizing above-mentioned purpose, the utility model technical scheme is following:
The deep geothermal heat pump is enclosed with conductor shield, insulating barrier, insulation screen, reinforced filling, reinforced layer, water blocking layer, inner restrictive coating, thermal insulation layer and external sheath layer outward successively with the conductor of waterproof rubber sleeve flexible cable.
Said conductor has increased anticorrosive property, flexibility, pull resistance and the field uniformity of cable greatly by multiply tin-coated copper skein silk system.
Said conductor shield and insulation screen are extruded by semiconductive, can play uniform electric field, provide cable high voltage withstanding performance.
Said insulating layer material is an ethylene-propylene rubber, has higher insulation property and excellent water resistance.
Said reinforced being filled to adopts neoprene to extrude after the rope made of hemp weaves the high tenacity polyester fiber silk outward, thereby reinforced filling reduces the stability that the cable internal stress increases the cable internal structure, also plays the effect of the tensile strength that has increased cable.
Said reinforced layer material is wrapped the forming of the reinforced nonwoven fabrics of high tenacity polyester fiber, has advantages of higher tensile strength.
Said water blocking layer adopts that waterstop is wrapped to form, and can prevent that GEOTHERMAL WATER is to the cable internal penetration.
Said inner restrictive coating material is a modified high-molecular structure chlorosulfonated polyethylene, thereby its molecule arranging structure evenly, closely increases water resistance.
Said thermal insulation layer adopts the high temperature resistance polyester band, and its temperature resistant grade reaches 250 degrees centigrade, plays the effect of cable inner sheath certain protection.
Said external sheath layer adopts polytetrafluoroethylene edge (Teflon), and this material long-term work temperature can arrive 250 degrees centigrade, and molecule arranging structure has excellent water proofing property and chemical resistance closely.
The advantage of the utility model is:
1, because conductor by multiply tin-coated copper skein silk system, has increased anticorrosive property, flexibility, pull resistance and the field uniformity of cable greatly.
2, because conductor shield and insulation screen are extruded by semiconductive, can play uniform electric field, the cable high voltage performance is provided.
3, insulating layer material is an ethylene-propylene rubber; Have higher insulation property and excellent water resistance; Even after the aging breakage of the inside and outside restrictive coating of cable, cable can also keep the higher insulation resistance of the water resistance in one period, for cable provides a reserve emergent only choosing with changing.
4, reinforced filling adopts neoprene to extrude after adopting the rope made of hemp to weave the high tenacity polyester fiber silk outward, thereby reinforced filling reduces the stability that the cable internal stress increases the cable internal structure, also plays the effect of the tensile strength that has increased cable.
5, because the inner sheath and the oversheath of cable all adopt the tight material of molecule arranging structure, the water resistance of its material, excellent heat resistance, chemical resistance play duplicate protection to cable.
Description of drawings
Fig. 1: the utility model cross sectional representation
1, conductor; 2, conductor shield; 3, insulating barrier; 4, insulation screen; 5, reinforced filling; 6, reinforced layer; 7, water blocking layer; 8, inner restrictive coating; 9, thermal insulation layer; 10, external sheath layer
Fig. 2: the process chart of the utility model
Embodiment
Below be the preferred embodiment of the utility model, the utility model can the said content of by specification elect any method to implement.
Specify below in conjunction with accompanying drawing:
See accompanying drawing 1, the deep geothermal heat pump comprises with the waterproof rubber sleeve flexible cable: outer conductor shield (2), insulating barrier (3), insulation screen (4), reinforced filling (5), reinforced layer (6), water blocking layer (7), inner restrictive coating (8), thermal insulation layer (9) and the external sheath layer (10) of being enclosed with successively of conductor (1).
Conductor (1) is by multiply tin-coated copper skein silk system, and strand system lay ratio is less than 15; Conductor shield (2) and insulation screen (4) are extruded by semi-conductive adhesive; Insulating barrier (3) material is an ethylene-propylene rubber, its superior electrical property; Reinforced filling (5) adopts neoprene to extrude after adopting the rope made of hemp to weave the high tenacity polyester fiber silk outward; 6) adopt wrapped the forming of the reinforced nonwoven fabrics of high tenacity polyester fiber; Water blocking layer (7) adopts that waterstop is wrapped to form; Inner restrictive coating (8) adopts CSM; Thermal insulation layer (9) adopts wrapped the forming of high temperature resistance polyester band; External sheath layer (10) adopts the polytetrafluoroethylene edge to extrude, and its molecular structure is arranged closely, and high temperature resistant, water proofing property, antiacid alkali erosiveness can be excellent.
The cable the key technical indexes of being produced is: 1) 20 ℃ of conductor DC resistances of cable should meet the 6th kind of copper conductor regulation among the GB/T3956; 2) cable voltage test: can stand the 30.5KV/5min power frequency withstand test; 3) 20 ℃ of insulation resistances of cable >=500M Ω KM; 4) user uses feedback, and each performance index of cable are excellent so far in the petrochemical plant of Shandong, to use 18 months in the deep geothermal heat pumping system.
Relatively performance is following with like product:
1, rated voltage aspect: the deep geothermal heat pump of the utility model uses the waterproof rubber sleeve flexible cable can produce maximum rated voltage U0/U to be 8.7/15KV, can to satisfy the coordinative composition of equipments demand of heavy construction project.
2, the utility model product has performances such as excellent corrosion-resistant, ageing-resistant, waterproof, acid and alkali-resistance, oil resistant and tension, is superior to similar products at home and abroad.
Claims (10)
1. the deep geothermal heat pump is used the waterproof rubber sleeve flexible cable, it is characterized in that: outer conductor shield (2), insulating barrier (3), insulation screen (4), reinforced filling (5), reinforced layer (6), water blocking layer (7), inner restrictive coating (8), thermal insulation layer (9) and the external sheath layer (10) of being enclosed with successively of conductor (1).
2. deep geothermal heat pump according to claim 1 is used the waterproof rubber sleeve flexible cable, it is characterized in that: said conductor (1) is by multiply tin-coated copper skein silk system.
3. deep geothermal heat pump according to claim 1 is used the waterproof rubber sleeve flexible cable, it is characterized in that: said conductor shield (2) and insulation screen (4) are extruded by semi-conductive adhesive.
4. deep geothermal heat pump according to claim 1 is used the waterproof rubber sleeve flexible cable, it is characterized in that: said insulating barrier (3) material is an ethylene-propylene rubber.
5. deep geothermal heat pump according to claim 1 is used the waterproof rubber sleeve flexible cable, it is characterized in that: said reinforced filling (5) adopts neoprene to extrude after adopting the rope made of hemp to weave the high tenacity polyester fiber silk outward.
6. deep geothermal heat pump according to claim 1 is used the waterproof rubber sleeve flexible cable, it is characterized in that: said reinforced layer (6) adopts wrapped the forming of the reinforced nonwoven fabrics of high tenacity polyester fiber.
7. deep geothermal heat pump according to claim 1 is used the waterproof rubber sleeve flexible cable, it is characterized in that: said water blocking layer (7) adopts that waterstop is wrapped to form.
8. deep geothermal heat pump according to claim 1 is used the waterproof rubber sleeve flexible cable, it is characterized in that: said inner restrictive coating (8) adopts CSM.
9. deep geothermal heat pump according to claim 1 is used the waterproof rubber sleeve flexible cable, it is characterized in that: said thermal insulation layer (9) adopts the high temperature resistance polyester band.
10. deep geothermal heat pump according to claim 1 is used the waterproof rubber sleeve flexible cable, it is characterized in that: said external sheath layer (10) adopts the polytetrafluoroethylene edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204088780U CN202332353U (en) | 2011-10-24 | 2011-10-24 | Waterproof rubber jacket flexible cable for deep geothermal heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204088780U CN202332353U (en) | 2011-10-24 | 2011-10-24 | Waterproof rubber jacket flexible cable for deep geothermal heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202332353U true CN202332353U (en) | 2012-07-11 |
Family
ID=46444325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204088780U Expired - Fee Related CN202332353U (en) | 2011-10-24 | 2011-10-24 | Waterproof rubber jacket flexible cable for deep geothermal heat pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202332353U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915185A (en) * | 2014-03-10 | 2014-07-09 | 安徽省高沟电缆有限公司 | Oil-resistant water-proof corrosion-resistant double-shielded control cable for coal mine |
| CN103928100A (en) * | 2013-09-29 | 2014-07-16 | 安徽航天电缆集团有限公司 | Special cable for ship drag chain |
-
2011
- 2011-10-24 CN CN2011204088780U patent/CN202332353U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928100A (en) * | 2013-09-29 | 2014-07-16 | 安徽航天电缆集团有限公司 | Special cable for ship drag chain |
| CN103915185A (en) * | 2014-03-10 | 2014-07-09 | 安徽省高沟电缆有限公司 | Oil-resistant water-proof corrosion-resistant double-shielded control cable for coal mine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Shanghai Power Cable & Wire Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20151024 |
|
| EXPY | Termination of patent right or utility model |