CN216451563U

CN216451563U - Ultra-high temperature fireproof type series constant-power electric tracing band

Info

Publication number: CN216451563U
Application number: CN202122629700.5U
Authority: CN
Inventors: 张怡隆; 李琳
Original assignee: E Poly Technology Co ltd
Current assignee: E Poly Technology Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-05-06
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses an ultrahigh-temperature fireproof series-connection constant-power electric tracing band in the technical field of electric tracing bands, wherein an insulating layer is arranged outside a core wire, a silica gel packaging layer is arranged outside a braided shielding layer, a heat-resistant layer is arranged outside the silica gel packaging layer, a belting layer is arranged outside the outer shielding layer, an inner sheath layer is arranged outside the belting layer, a glass fiber rope is arranged outside the inner sheath layer, and an outer sheath is arranged outside the glass fiber rope; the electric tracing band adopts the heat-resistant layer and the fireproof layer to form double protection, improves the fireproof performance of the electric tracing band, enables the electric tracing band to still keep good working performance at high temperature, is provided with the insulating layer and the conductive plastic layer, and is filled with insulating heat-conducting particles, the insulating heat-conducting particles and the weaving layer have good heat conductivity, and can timely dissipate heat.

Description

Ultra-high temperature fireproof type series constant-power electric tracing band

Technical Field

The utility model relates to the technical field of electric tracing bands, in particular to an ultrahigh-temperature fireproof type series constant-power electric tracing band.

Background

The electric tracing band is a novel high-tech product, has the advantages of overheating prevention, simplicity and convenience in use and maintenance, electric energy saving and the like since the electric tracing band enters the application field in the last 70 th century, is suitable for temperature control, heat tracing, heat preservation and heating of pipelines, equipment and containers, and is widely applied to petroleum, chemical industry, electric power, metallurgy, light industry, food, refrigeration, building, gas, agricultural and sideline product production and other industries at present when materials are easy to decompose, deteriorate, crystallize and agglomerate and freeze.

The existing series electric tracing band has the highest heat tracing temperature of only 160 ℃ and does not have the function of fire prevention, but in some special application occasions, for example, the heat tracing temperature is extremely high, and the series electric tracing band has the requirement of fire prevention, therefore, an ultrahigh-temperature fire-proof type series constant-power electric tracing band is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an ultrahigh-temperature fireproof type series constant-power electric tracing band to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: ultra-temperature flame retardant type series connection constant power electric tracing area, including the electric tracing area body, the electric tracing area body includes the heart yearn, the heart yearn outside is equipped with the insulating layer, the insulating layer outside is equipped with conductive plastic layer, the conductive plastic layer outside is equipped with weaves the shielding layer, it is equipped with the silica gel encapsulation layer to weave the shielding layer outside, the silica gel encapsulation layer outside is equipped with the heat-resistant layer, the heat-resistant layer outside is equipped with the flame retardant coating, the flame retardant coating outside is equipped with the external shielding layer, the external shielding layer outside is equipped with the band layer, the band layer outside is equipped with inner sheath layer, the inner sheath layer outside is equipped with the glass fiber rope, the glass fiber rope outside is equipped with the oversheath.

Further, the conductive plastic layer is a flame-retardant PTC material, the insulating layer is a polyolefin material, a paint layer is filled between the insulating layer and the conductive plastic layer, and the paint layer adopts composite particles of copper, silver and the like as conductive particles.

Further, the flame retardant coating is fire-resistant mica tape, silica gel cloth or fire-proof tarpaulin, the cross-section of heart yearn is 0.5mm²To 15mm²。

Furthermore, the insulating layer and the outer sheath layer are both made of a cross-linked polyethylene material, an ethylene propylene diene monomer material or a polytetrafluoroethylene material.

Furthermore, the belting layer is glass fiber cloth or ceramic fiber cloth, the braided material of the braided shielding layer is tinned copper wires, and the tinned copper wires are braided in a net shape.

Furthermore, a flame retardant is added into the preparation material of the heat-resistant layer, the flame retardant is an acrylic flame retardant, and the core wire is made of nickel-plated copper stranded wires.

Compared with the prior art, the utility model has the beneficial effects that: the electric tracing band adopts the heat-resistant layer and the fireproof layer to form double protection, improves the fireproof performance of the electric tracing band, enables the electric tracing band to still keep good working performance at high temperature, is provided with the insulating layer and the conductive plastic layer, and is filled with the insulating heat-conducting particles, the insulating heat-conducting particles are long in service life, the condition of insulation failure can not occur, the insulating reliability is high, the insulating heat-conducting particles and the braided layer have good heat conductivity, heat can be timely dissipated, the braided layer is wound and woven by the tinned copper wires, the braided layer with a certain thickness can play roles of static electricity prevention, electric leakage prevention, short circuit resistance, stretch resistance and the like, and the practicability of the electric tracing band is improved.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

In the figure: 100. an electric heating tracing band body; 101. a core wire; 102. an insulating layer; 103. a conductive plastic layer; 104. weaving a shielding layer; 105. a silica gel encapsulation layer; 106. a heat resistant layer; 107. a fire barrier layer; 108. an outer shield layer; 109. a belting layer; 110. an inner jacket layer; 111. a glass fiber rope; 112. an outer sheath.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides an ultra-high temperature fireproof type series constant power electric tracing band, which includes an electric tracing band body 100, the electric tracing band body 100 comprises a core wire 101, an insulating layer 102 is arranged outside the core wire 101, a conductive plastic layer 103 is arranged outside the insulating layer 102, a braided shielding layer 104 is arranged outside the conductive plastic layer 103, a silica gel packaging layer 105 is arranged outside the braided shielding layer 104, a heat-resistant layer 106 is arranged outside the silica gel packaging layer 105, a fireproof layer 107 is arranged outside the heat-resistant layer 106, double protection is formed by the heat-resistant layer 106 and the fireproof layer 107, the fireproof performance of the electric tracing band is improved, the electric tracing band can still keep good working performance at high temperature, an outer shielding layer 108 is arranged outside the fireproof layer 107, a belting layer 109 is arranged outside the outer shielding layer 108, an inner sheath layer 110 is arranged outside the belting layer 109, a glass fiber rope 111 is arranged outside the inner sheath layer 110, and an outer sheath 112 is arranged outside the glass fiber rope 111.

Conductive plastic layer 103 is fire-retardant PTC material, insulating layer 102 is the polyolefin material, it has the lacquer layer to fill between insulating layer 102 and the conductive plastic layer 103, and the lacquer layer adopts copper, compound particles such as silver are as electrically conductive particle, it packs insulating heat conduction particle to be equipped with insulating layer 102 and conductive plastic layer 103 clearance intussuseption, insulating heat conduction particle long service life, the condition of insulating inefficacy can not appear, insulating reliability is high, insulating heat conduction particle, the weaving layer heat conductivity is good moreover, can in time dispel the heat away.

The fireproof layer 107 is a fireproof mica tape, a silica gel cloth or a fireproof tarpaulin, and the section of the core wire 101 is 0.5mm²To 15mm²。

The insulating layer 102 and the outer sheath 112 are both made of cross-linked polyethylene materials, ethylene propylene diene monomer materials or polytetrafluoroethylene materials, have good insulating and fireproof effects, and play the functions of high temperature resistance and fire prevention, so that the heat tracing temperature can reach the temperature, the heat tracing temperature can be used in occasions with extremely high heat tracing temperature and fireproof requirements, and the application field of the series electric heat tracing band is widened.

Band layer 109 is glass fiber cloth or ceramic fiber cloth, and the weaving material of weaving shielding layer 104 is the tinned copper wire, and the tinned copper wire is netted weaving, utilizes the tinned copper wire winding to weave among the weaving shielding layer 104, and the weaving layer of certain thickness can play and prevent static, anticreep short circuit, effects such as stretch-proofing, improves the practicality in electric tracing area.

The flame retardant is added in the preparation material of the heat-resistant layer 106, the flame retardant is an acrylic flame retardant, and the core wire 101 is a nickel-plated copper stranded wire.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Ultra-temperature fire prevention type establishes ties constant power electric tracing area, its characterized in that: comprises an electric tracing band body (100), the electric tracing band body (100) comprises a core wire (101), an insulating layer (102) is arranged outside the core wire (101), a conductive plastic layer (103) is arranged outside the insulating layer (102), a braided shielding layer (104) is arranged outside the conductive plastic layer (103), a silica gel packaging layer (105) is arranged outside the braided shielding layer (104), a heat-resistant layer (106) is arranged outside the silica gel packaging layer (105), a fireproof layer (107) is arranged outside the heat-resistant layer (106), an outer shielding layer (108) is arranged outside the fireproof layer (107), a belting layer (109) is arranged outside the outer shielding layer (108), an inner sheath layer (110) is arranged outside the belting layer (109), a glass fiber rope (111) is arranged outside the inner sheath layer (110), and an outer sheath (112) is arranged outside the glass fiber rope (111).

2. The ultra-high temperature fireproof type series constant-power electric tracing band according to claim 1, wherein: the conductive plastic layer (103) is made of a flame-retardant PTC material, the insulating layer (102) is made of a polyolefin material, a paint layer is filled between the insulating layer (102) and the conductive plastic layer (103), and the paint layer adopts copper and silver composite particles as conductive particles.

3. The ultra-high temperature fireproof type series constant-power electric tracing band according to claim 1, wherein: the fireproof layer (107) is a fireproof mica tape, silica gel cloth or fireproof tarpaulin, and the section of the core wire (101) is 0.5mm²To 15mm²。

4. The ultra-high temperature fireproof type series constant-power electric tracing band according to claim 1, wherein: the insulating layer (102) and the outer sheath (112) are both made of a cross-linked polyethylene material, an ethylene propylene diene monomer material or a polytetrafluoroethylene material.

5. The ultra-high temperature fireproof type series constant-power electric tracing band according to claim 1, wherein: the belting layer (109) is glass fiber cloth or ceramic fiber cloth, the braided material of the braided shielding layer (104) is tinned copper wires, and the tinned copper wires are in a net-shaped braid.