CN108922678A - A kind of underground heat private cable and its manufacturing method and application - Google Patents
A kind of underground heat private cable and its manufacturing method and application Download PDFInfo
- Publication number
- CN108922678A CN108922678A CN201810817725.8A CN201810817725A CN108922678A CN 108922678 A CN108922678 A CN 108922678A CN 201810817725 A CN201810817725 A CN 201810817725A CN 108922678 A CN108922678 A CN 108922678A
- Authority
- CN
- China
- Prior art keywords
- underground heat
- insulating layer
- private cable
- heat private
- oversheath
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0258—Disposition of insulation comprising one or more longitudinal lapped layers of insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The present invention provides a kind of underground heat private cable and its manufacturing method and application, the underground heat private cable includes conductor thread core, insulating layer, alloy sleeve and oversheath；The insulating layer is coated on the outer surface of the conductor thread core, and the alloy sleeve is coated on the outer surface of the insulating layer, and the oversheath is coated on the outer surface of the alloy sleeve.The underground heat private cable provided by the present invention installation is simple, and it with good high temperature resistant, waterproof is corrosion-resistant, and the anti-performances such as collide with, this makes the electric property of the underground heat private cable safer；As the temperature resistant grade of the existing voltage rating 450/750V in this field and following cabtyre cable are：Conductor temperature is 60 DEG C, and it does not have waterproof performance, and the normal working temperature of the conductor of the underground heat private cable provided by the present invention can achieve 90 DEG C or more, and the underground heat private cable has good waterproof performance.
Description
Technical field
The present invention relates to a kind of underground heat private cable and its manufacturing method and applications, belong to field of cable technology.
Background technique
Voltage rating 450/750V and following cabtyre cable are applied in China than wide, but current national standard
The standard of the Geothermal electric cable of corresponding high temperature resistant and waterproof is not specified；It is many to need to use under the conditions of waterproof and high temperature resistant
Cable have to use silicon rubber as material resistant to high temperature, and silicon rubber is on the high side, and processing technology is complicated, most important
It is that its waterproof performance is bad, one times thicker than normal thickness of the thickness extruded or more, the cable cost for being in this way is relatively high, and
And the service life is also shorter, cable is easy to damage during mentioning well up and down, and safety coefficient is also relatively low.
Therefore it provides a kind of installation is simple, with high temperature resistant, waterproof, corrosion-resistant, the anti-excellent properties such as collide with cable
The technical issues of through becoming this field urgent need to resolve.
Summary of the invention
In order to solve the above shortcomings and deficiencies, it is an object of the present invention to provide a kind of underground heat private cables.
Another object of the present invention, which also resides in, provides the manufacturing method of above-mentioned underground heat private cable.
Another object of the present invention also resides in the application for providing above-mentioned underground heat private cable in the power supply system of geothermal well.
In order to achieve the above objectives, on the one hand, the present invention provides a kind of underground heat private cable, and the underground heat private cable includes
Conductor thread core, insulating layer, alloy sleeve and oversheath；
The insulating layer is coated on the outer surface of the conductor thread core, and the alloy sleeve is coated on the appearance of the insulating layer
Face, the oversheath are coated on the outer surface of the alloy sleeve.
Specific embodiment according to the present invention, in the underground heat private cable, which is to be led using the 5th class
Core made of body.
Wherein, the 5th class conductor is this field conventional material, and the technique that core is prepared by the 5th class conductor is also ability
The existing common process in domain, the present invention do not do specific requirement to this.
Specific embodiment according to the present invention, in the underground heat private cable, the 5th class conductive surface used is bright and clean,
The single line of no greasy dirt, not damaged shielding and burr, the sharp edge to insulate, no protrusion or fracture.
Specific embodiment according to the present invention, in the underground heat private cable, which is by EP rubbers system
At insulating layer, and in the insulating layer be added with temperature-resistant material；
It preferably, is in terms of 100% by the total weight of the insulating layer, the additive amount of temperature-resistant material is 3-5%；
It is further preferred that the temperature-resistant material includes silica gel.Wherein, which is uniformly distributed in underground heat private cable
In insulating layer.
Specific embodiment according to the present invention, in the underground heat private cable, the insulating layer with a thickness of 1.2-
2.4mm。
Specific embodiment according to the present invention, in the underground heat private cable, which includes metal shield
Set or aluminum alloy sheath.
Wherein, the metal and aluminium alloy are the conventional substances that this field uses, and the present invention closes metal and aluminium
Gold ingredient do not improve, those skilled in the art can be selected from existing metal and aluminium alloy suitable material with
For the present invention.
Specific embodiment according to the present invention, in the underground heat private cable, the metal can be terne metal,
It is in terms of 100% by the total weight of the terne metal, wherein the content of lead is 60%, and the content of tin is 40%；
The aluminium alloy can be the aluminium alloy of the AA8000 series of this field routine.
Specific embodiment according to the present invention, in the underground heat private cable, the thickness of the alloy sleeve is not small
In 0.4mm.
Specific embodiment according to the present invention, the present invention is between the insulating layer and oversheath of the underground heat private cable
It is additionally arranged alloy sleeve, so that the structure of the underground heat private cable is more complicated, outer diameter is bigger than the outer diameter of common cable, should
Cable can reserve the amount of increase during the installation process, in addition, the weight of the cable also increases.
Specific embodiment according to the present invention, in the underground heat private cable, the oversheath is by chlorinated polyethylene
Oversheath made of alkene or mixture containing haloflex.
Specific embodiment according to the present invention, in the underground heat private cable, the mixture containing haloflex
For this field conventional substances, the application is not specific requirement, those skilled in the art to the concrete content of wherein haloflex
It can be needed that suitable substance is selected to be used for the present invention from the existing mixture containing haloflex according to actual job,
As long as the object of the invention may be implemented in guarantee.
Wherein, the mixture containing haloflex is the conventional substances that this field uses, those skilled in the art
It can be needed to reasonably select the mixture for containing haloflex according to operation.
Specific embodiment according to the present invention, in the underground heat private cable, the thickness of the oversheath is not less than
1.2mm。
On the other hand, the present invention also provides the manufacturing methods of the underground heat private cable comprising following steps：
(1) insulating layer is coated in the outer surface of conductor thread core；
(2) it uses and extrudes technique in the uniform clad alloy sheath in the insulating layer outer surface；
(3) oversheath is coated in the alloy sleeve outer surface.
Specific embodiment according to the present invention can be used complete in the manufacturing method step (1) of the underground heat private cable
Closing chemistry squeezes out crosslinking process and coats insulating layer in the outer surface of conductor thread core, and adds in the insulating layer material in advance suitable
The temperature-resistant material of amount；
Oversheath can be extruded on alloy sleeve using Rubber Extruder in step (3).
Wherein, it is conventional method in that art, this field skill that the totally-enclosed chemistry, which squeezes out crosslinking process and extrudes technique,
Art personnel can need that its operating procedure and technological parameter etc. is rationally arranged according to operation, as long as guaranteeing that the present invention may be implemented
Purpose.
Another aspect, the present invention also provides application of the underground heat private cable in the power supply system of geothermal well.
The underground heat private cable provided by the present invention installation is simple, and it is with good high temperature resistant, waterproof, corrosion resistant
Erosion, the anti-performances such as collide with, this makes the electric property of the underground heat private cable safer；Such as the existing voltage rating in this field
The temperature resistant grade of 450/750V and following cabtyre cable is：Conductor temperature is 60 DEG C, and it does not have a waterproof performance, and this hair
The normal working temperature of the conductor of the underground heat private cable provided by bright can achieve 90 DEG C or more, and the underground heat private cable
There is good waterproof performance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the underground heat private cable provided by the embodiment of the present invention 1.
Main Reference label declaration：
1, conductor thread core；
2, insulating layer；
3, alloy sleeve；
4, oversheath.
Specific embodiment
In order to which technical characteristic of the invention, purpose and beneficial effect are more clearly understood, now in conjunction in detail below
Embodiment carries out following detailed description to technical solution of the present invention, but should not be understood as the limit to enforceable range of the invention
It is fixed.
Embodiment 1
A kind of underground heat private cable is present embodiments provided, the structural schematic diagram of the cable is as shown in Figure 1, can from Fig. 1
To find out that the underground heat private cable includes conductor thread core 1, insulating layer 2, alloy sleeve 3 and oversheath 4；
The insulating layer 2 is coated on the outer surface of the conductor thread core 1, and the alloy sleeve 3 is coated on the outer of the insulating layer 2
Surface, the oversheath 4 are coated on the outer surface of the alloy sleeve 3；
The conductor thread core is using core made of the 5th class conductor；
The insulating layer is the insulating layer made of EP rubbers, and temperature-resistant material silica gel is added in the insulating layer, with
The total weight of the insulating layer is 100% meter, and the additive amount of temperature-resistant material silica gel is 3-5%；
The insulating layer with a thickness of 1.2-2.4mm, such as can for 1.2mm, 1.4mm, 1.6mm, 1.8mm, 2.0mm,
2.2mm and 2.4mm；
The alloy sleeve includes lead alloy sheath or aluminum alloy sheath, and the alloy sleeve is metal shield in the present embodiment
Set；
The thickness of the alloy sleeve is not less than 0.4mm, such as can be 0.4mm；
The oversheath is oversheath made of the mixture haloflex or containing haloflex, the present embodiment
In the oversheath be the oversheath made of haloflex；
The thickness of the oversheath is not less than 1.2mm；It may be, for example, 1.2mm and 1.4mm.
The related data of the underground heat private cable provided in the embodiment of the present invention is shown in as shown in table 1 below.
Table 1
Embodiment 2
Present embodiments provide the manufacturing method of the underground heat private cable of embodiment 1 comprising following steps：
(1) crosslinking process is squeezed out using totally-enclosed chemistry and coats insulating layer in the outer surface of conductor thread core；
(2) it uses and extrudes technique in the uniform clad alloy sheath in the insulating layer outer surface；
(3) oversheath is coated in the alloy sleeve outer surface using Rubber Extruder.
Application examples
The application example provides underground heat private cable the answering in the power supply system of geothermal well provided by embodiment 1
With,
The underground heat private cable applies in general to the geothermal well that temperature is 90 DEG C or so, which is three for power supply system
Phase 380V, length is generally at 250 meters to 400 meters, which has been used for leading in Shenzhou City in the power supply system of geothermal well, using normal
Do not occur abnormal conditions.Cable running current is 340A, and well head output water temperature is 80-85 DEG C.
Claims (10)
1. a kind of underground heat private cable, which is characterized in that the underground heat private cable includes conductor thread core, insulating layer, alloy protective
Set and oversheath；
The insulating layer is coated on the outer surface of the conductor thread core, and the alloy sleeve is coated on the outer surface of the insulating layer, institute
State the outer surface that oversheath is coated on the alloy sleeve.
2. underground heat private cable according to claim 1, which is characterized in that the conductor thread core is using the 5th class conductor
Manufactured core.
3. underground heat private cable according to claim 1, which is characterized in that the insulating layer is made of EP rubbers
Insulating layer, and temperature-resistant material is added in the insulating layer；
It preferably, is in terms of 100% by the total weight of the insulating layer, the additive amount of temperature-resistant material is 3-5%；
It is further preferred that the temperature-resistant material includes silica gel.
4. underground heat private cable according to claim 1 or 3, which is characterized in that the insulating layer with a thickness of 1.2-
2.4mm。
5. underground heat private cable according to claim 1, which is characterized in that the alloy sleeve include lead alloy sheath or
Aluminum alloy sheath.
6. underground heat private cable according to claim 1 or 5, which is characterized in that the thickness of the alloy sleeve is not less than
0.4mm。
7. underground heat private cable according to claim 1, which is characterized in that the oversheath is by haloflex or to contain
There is oversheath made of the mixture of haloflex.
8. underground heat private cable according to claim 1 or claim 7, which is characterized in that the thickness of the oversheath is not less than
1.2mm。
9. the manufacturing method of the described in any item underground heat private cables of claim 1-8 comprising following steps：
(1) insulating layer is coated in the outer surface of conductor thread core；
(2) it uses and extrudes technique in the uniform clad alloy sheath in the insulating layer outer surface；
(3) oversheath is coated in the alloy sleeve outer surface.
10. application of the described in any item underground heat private cables of claim 1-8 in the power supply system of geothermal well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810817725.8A CN108922678A (en) | 2018-07-24 | 2018-07-24 | A kind of underground heat private cable and its manufacturing method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810817725.8A CN108922678A (en) | 2018-07-24 | 2018-07-24 | A kind of underground heat private cable and its manufacturing method and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108922678A true CN108922678A (en) | 2018-11-30 |
Family
ID=64415989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810817725.8A Pending CN108922678A (en) | 2018-07-24 | 2018-07-24 | A kind of underground heat private cable and its manufacturing method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108922678A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061038A (en) * | 2010-12-18 | 2011-05-18 | 福建省工研苑塑胶技术研发有限公司 | Silicon rubber and EPDM mixed rubber and preparation method thereof |
| CN202150957U (en) * | 2011-06-27 | 2012-02-22 | 福建创鑫电缆有限公司 | Underfloor heating cable |
| CN203503356U (en) * | 2013-09-24 | 2014-03-26 | 河南开启电力实业有限公司 | Flexible fireproof cable |
| CN208433239U (en) * | 2018-07-24 | 2019-01-25 | 常丰线缆有限公司 | A kind of underground heat private cable |
-
2018
- 2018-07-24 CN CN201810817725.8A patent/CN108922678A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061038A (en) * | 2010-12-18 | 2011-05-18 | 福建省工研苑塑胶技术研发有限公司 | Silicon rubber and EPDM mixed rubber and preparation method thereof |
| CN202150957U (en) * | 2011-06-27 | 2012-02-22 | 福建创鑫电缆有限公司 | Underfloor heating cable |
| CN203503356U (en) * | 2013-09-24 | 2014-03-26 | 河南开启电力实业有限公司 | Flexible fireproof cable |
| CN208433239U (en) * | 2018-07-24 | 2019-01-25 | 常丰线缆有限公司 | A kind of underground heat private cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102969043A (en) | High-temperature-resistant soft double-shield instrument cable for maritime oil and gas engineering and manufacturing method thereof | |
| CN207718899U (en) | A kind of electric wire of the anti-interference of electromagnetic field | |
| CN106057330B (en) | UHV transmission line aluminium alloy stranded conductor | |
| CN102969058B (en) | High-temperature-resistant soft bulk-shielding instrument cable for maritime oil and gas engineering and manufacturing method thereof | |
| CN102969050A (en) | High-temperature-resistant soft independent shield instrument cable for maritime oil and gas engineering and manufacturing method thereof | |
| CN208433239U (en) | A kind of underground heat private cable | |
| CN205318875U (en) | High temperature resistant high voltage withstanding cable | |
| CN109192378A (en) | A kind of enhanced cable protective kit | |
| CN208422482U (en) | A kind of anti-skid wearable cable | |
| CN108922678A (en) | A kind of underground heat private cable and its manufacturing method and application | |
| CN102969047B (en) | High-temperature-resistant soft control cable for maritime oil and gas engineering and manufacturing method thereof | |
| CN207268947U (en) | A kind of aluminium alloy power cable for improving anti-fracture effect | |
| CN203260362U (en) | High-voltage and extra-high voltage flexible direct-current power transmission fiber composite extrusion insulation power cable | |
| CN103106980A (en) | High-strength power cable | |
| CN202615873U (en) | Low smoke zero halogen flame retardant refractory photovoltaic cable | |
| CN209249178U (en) | A kind of photovoltaic solar connecting cable | |
| CN205487419U (en) | Electric welding is with resistant flexible cable of waiting | |
| CN218414051U (en) | Energy-saving high-conductivity aluminum alloy power cable | |
| CN204632413U (en) | A kind of photovoltaic cable for solar power system | |
| CN213844863U (en) | Corrosion-resistant copper wire | |
| CN211150164U (en) | High-temperature-resistant cable | |
| CN205177487U (en) | Super alumite alloy wire of aluminium base ceramic fibre core | |
| CN217113933U (en) | Wire and cable with long service life | |
| CN210722534U (en) | Composite copper stranded alloy wire | |
| CN204303436U (en) | High-flexibility electric power transmission lead |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181130 |
|
| RJ01 | Rejection of invention patent application after publication |