CN202907236U - High temperature constant power electric heating tape - Google Patents
High temperature constant power electric heating tape Download PDFInfo
- Publication number
- CN202907236U CN202907236U CN 201220550003 CN201220550003U CN202907236U CN 202907236 U CN202907236 U CN 202907236U CN 201220550003 CN201220550003 CN 201220550003 CN 201220550003 U CN201220550003 U CN 201220550003U CN 202907236 U CN202907236 U CN 202907236U
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- temperature constant
- ribbon heater
- electric heating
- power according
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Abstract
The utility model discloses a high temperature constant power electric heating tape, comprising buses 1, an inner insulating layer 2, an electric heating wire 3, an outer insulating layer 4, a sheath 5, a shielding layer 6 and a reinforcing sheath 7, which are orderly arranged from the inner side to the outer side, wherein the buses 1 comprise two groups of parallel conductors, the two buses 1 respectively wrapped by the inner insulating layer 2 are mutually insulated, the electric heating wire 3 is wound outside the insulating layer 2 of the two groups of buses 1, and the electric heating wire 3 is connected with the buses 1 at a certain distance to form continuous shunt resistors. The high temperature constant power electric heating tape is higher in high temperature resistance and fluid maintenance temperature resistance, thereby realizing the safe heating of an asphalt pipe, a heavy sticky oil pipe, etc., under a severe environment.
Description
Technical field
The utility model relates to a kind of ribbon heater, relates in particular to a kind of high-temperature constant-power ribbon heater.
Background technology
As everyone knows, the ribbon heater is a kind of desirable tracing thermal-insulating equipment, and its outer field braid can conduct heat and dispel the heat, and can be high temperature resistant.Permanent power electrothermal belt is because it possesses the constant characteristic of caloric value of unit length, therefore in the industrial production, usually permanent power electrothermal belt and thermostat are used, to realize accurately keeping the pipeline internal medium temperature, prevent medium condensation cutout, and pipeline is played the effect of anti-freezing and heat-insulating.
But, accompany the higher occasion of hot temperature for ask for something, such as companion's heat of pitch, heavy viscous oil pipeline etc., then have higher requirement for the performances such as high temperature resistant, fluid holding temperature of permanent power electrothermal belt.
Summary of the invention
The purpose of this utility model provides a kind of high-temperature constant-power ribbon heater, with respect to prior art, possesses higher high temperature resistant, fluid holding temperature performance, to realize the safety companion's heat in the adverse circumstances such as pitch, heavy viscous oil pipeline.
Technical solution of the present utility model is:
A kind of high-temperature constant-power ribbon heater comprises the bus, inner insulating layer, heating wire, external insulation layer, sheath, screen, the reinforced sheath that set gradually from inside to outside; Described bus is two groups of parallel wires, through two groups of bus mutually insulateds of parcel of two groups of inner insulating layers; Described heating wire winding is outside two groups of inner insulating layers, and heating wire is connected with bus at a certain distance, forms continuous parallel resistance.
As the further improved high-temperature constant-power of the utility model ribbon heater, it is characterized in that described inner insulating layer is high temperature composite insulating material perfluoroethylene-propylene.The dielectric coefficient of perfluoroethylene-propylene is low, and the impact that not changed by working temperature and power frequency.The specific insulation of perfluoroethylene-propylene is high, and is not subjected to the impact of water and moisture and variations in temperature.When perfluoroethylene-propylene thickness during greater than 1 millimeter, disruptive field intensity is at 30 kilovolts more than every millimeter, and variation with temperature and changing not.
As the further improved high-temperature constant-power of the utility model ribbon heater, it is characterized in that described external insulation layer is the fire resistant glass fibre.The fire resistant glass fibre has good insulating, thermal endurance is strong, corrosion resistance good, mechanical strength is high excellent specific property.
As the further improved high-temperature constant-power of the utility model ribbon heater, it is characterized in that described fire resistant glass fibre is multilayer, be preferably 3 layers.By the parcel of multilayer fire resistant glass fibre, thereby further strengthen the fire-proof high-temperature resistant performance of external insulation layer, in conjunction with integrated adaptability energy and the heating power of high-temperature constant-power ribbon heater, preferred 3 layers of fire resistant glass fibre.
As the further improved high-temperature constant-power of the utility model ribbon heater, it is characterized in that described screen is the copper braid.The copper braid has preferably advantage of the processing of being easy to, good, the corrosion resistance of pliability.
As the further improved high-temperature constant-power of the utility model ribbon heater, it is characterized in that described sheath and reinforced sheath are perfluoroalkoxy resin.The advantage of perfluoroalkoxy resin is the continuous serviceability temperature that has up to 260 ℃, and strong and unyielding degree is strong, and is antiseized good with chemical resistance under the hot conditions.
As the further improved high-temperature constant-power of the utility model ribbon heater, it is characterized in that described bus is stranded zinc-plated or silver-coated copper wire.Zinc-plated or silver-plated copper cash can further improve the useful life of wire.
The high-temperature resistant in high-temperature constant-power provided by the utility model ribbon heater can reach 260 ℃, can realize 180 ℃～205 ℃ fluid holding temperature, can effectively realize safety companion's heat of pitch, heavy viscous oil pipeline.
Description of drawings
Fig. 1, the structural representation of high-temperature constant-power provided by the utility model ribbon heater;
Fig. 2, the bus of high-temperature constant-power provided by the utility model ribbon heater and heating wire connection diagram.
1 is bus, and 2 is inner insulating layer, and 3 is heating wire, and 4 is external insulation layer, and 5 is sheath, and 6 is screen, and 7 is reinforced sheath.
Embodiment
In order to deepen understanding of the present utility model, the utility model is done describing in further detail below in conjunction with drawings and Examples, this embodiment only is used for explaining the utility model, does not consist of the restriction to the utility model protection range.
A kind of high-temperature constant-power ribbon heater as depicted in figs. 1 and 2 comprises the bus 1, inner insulating layer 2, heating wire 3, external insulation layer 4, sheath 5, screen 6, the reinforced sheath 7 that set gradually from inside to outside; Described bus 1 is two groups of parallel wires, through two groups of bus 1 mutually insulateds of parcel of inner insulating layer 2; Described heating wire 3 is wrapped in outside the inner insulating layer 2, and heating wire 3 is connected with bus 1 at a certain distance, forms continuous parallel resistance.
Further improve as the utility model, described inner insulating layer 2 is high temperature composite insulating material perfluoroethylene-propylene.Described external insulation layer 4 is the fire resistant glass fibre.Described fire resistant glass fibre is multilayer, is preferably 3 layers.Described screen 6 is the copper braid.Described sheath 5 and reinforced sheath 7 are perfluoroalkoxy resin.Described bus 1 is stranded zinc-plated or silver-coated copper wire.
The high-temperature resistant in high-temperature constant-power provided by the utility model ribbon heater can reach 260 ℃, can realize 180 ℃～205 ℃ fluid holding temperature, can effectively realize safety companion's heat of pitch, heavy viscous oil pipeline.
Claims (8)
1. a high-temperature constant-power ribbon heater comprises the bus (1), inner insulating layer (2), heating wire (3), external insulation layer (4), sheath (5), screen (6), the reinforced sheath (7) that set gradually from inside to outside; Described bus (1) is two groups of parallel wires, through two groups of buses of parcel (1) mutually insulated of two groups of inner insulating layers (2); Described heating wire (3) is wrapped in outside two groups of inner insulating layers (2), and heating wire (3) is connected with bus (1) at a certain distance, forms continuous parallel resistance.
2. high-temperature constant-power according to claim 1 ribbon heater is characterized in that described inner insulating layer (2) is high temperature composite insulating material perfluoroethylene-propylene.
3. high-temperature constant-power according to claim 1 ribbon heater is characterized in that described external insulation layer (4) is the fire resistant glass fibre.
4. high-temperature constant-power according to claim 3 ribbon heater is characterized in that described fire resistant glass fibre is multilayer.
5. high-temperature constant-power according to claim 3 ribbon heater is characterized in that described fire resistant glass fibre is 3 layers.
6. high-temperature constant-power according to claim 1 ribbon heater is characterized in that described screen (6) is the copper braid.
7. high-temperature constant-power according to claim 1 ribbon heater is characterized in that described sheath (5) and reinforced sheath (7) are perfluoroalkoxy resin.
8. high-temperature constant-power according to claim 1 ribbon heater is characterized in that described bus (1) is stranded zinc-plated or silver-coated copper wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220550003 CN202907236U (en) | 2012-10-25 | 2012-10-25 | High temperature constant power electric heating tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220550003 CN202907236U (en) | 2012-10-25 | 2012-10-25 | High temperature constant power electric heating tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202907236U true CN202907236U (en) | 2013-04-24 |
Family
ID=48127849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220550003 Expired - Fee Related CN202907236U (en) | 2012-10-25 | 2012-10-25 | High temperature constant power electric heating tape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202907236U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105072720A (en) * | 2015-08-12 | 2015-11-18 | 安邦电气集团有限公司 | Series-connected electric tracing ribbon used for oil well long-distance transmission pipeline |
| CN105142252A (en) * | 2015-08-12 | 2015-12-09 | 安邦电气集团有限公司 | Constant-power electric tracing band |
| CN105163408A (en) * | 2015-08-12 | 2015-12-16 | 安邦电气集团有限公司 | Parallel power-constant electric tracing band for pipeline |
| CN107632642A (en) * | 2017-11-03 | 2018-01-26 | 上海正帆科技股份有限公司 | Exhaust pipe heating system |
-
2012
- 2012-10-25 CN CN 201220550003 patent/CN202907236U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105072720A (en) * | 2015-08-12 | 2015-11-18 | 安邦电气集团有限公司 | Series-connected electric tracing ribbon used for oil well long-distance transmission pipeline |
| CN105142252A (en) * | 2015-08-12 | 2015-12-09 | 安邦电气集团有限公司 | Constant-power electric tracing band |
| CN105163408A (en) * | 2015-08-12 | 2015-12-16 | 安邦电气集团有限公司 | Parallel power-constant electric tracing band for pipeline |
| CN105072720B (en) * | 2015-08-12 | 2019-07-05 | 安邦电气集团有限公司 | A kind of oil well long-distance transport pipes tandem electric-heating belt |
| CN105163408B (en) * | 2015-08-12 | 2019-07-05 | 安邦电气集团有限公司 | A kind of pipeline invariable power electric-heating belt in parallel |
| CN107632642A (en) * | 2017-11-03 | 2018-01-26 | 上海正帆科技股份有限公司 | Exhaust pipe heating system |
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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 |
Granted publication date: 20130424 Termination date: 20181025 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |