CN213152404U - Energy-saving electric heat tracing blanket for tunnel fire fighting - Google Patents

Abstract

The utility model discloses an energy-saving electric heat tracing blanket is used in tunnel fire control, including the electric heat tracing blanket, the outer wall top and the bottom of electric heat tracing blanket all are equipped with the thermal insulation layer, the thermal insulation layer includes ceramic fiber blanket layer and silicon carbide fibre layer, two ceramic fiber blanket layer bonds respectively in the outer wall top and the bottom of electric heat tracing blanket, two the outside on ceramic fiber blanket layer all bonds and has the silicon carbide fibre layer. This energy-saving electric heat tracing blanket is used in tunnel fire control, cooperation between ceramic fibre blanket layer and the carborundum fibre layer is passed through, make electric heat tracing blanket pass through ceramic fibre blanket layer and carborundum fibre layer and have good heat preservation heat-proof quality, hinder electric heat tracing blanket to produce thermal loss, the energy saving, make through PVC plastic-coated cloth layer, waterproof nylon cloth layer has good dampproofing and waterproofing nature, avoid electric heat tracing blanket and steam contact, and have good wear-resisting through polytetrafluoroethylene layer and polyethylene fibre layer, corrosion resistance, the job stabilization nature of reinforcing electric heat tracing blanket.

Description

Energy-saving electric heat tracing blanket for tunnel fire fighting

Technical Field

The utility model relates to a tunnel fire control technical field specifically is an energy-saving electric heat tracing blanket is used in tunnel fire control.

Background

The electric tracing heat is widely applied as an effective pipeline heat preservation and anti-freezing scheme, the working principle of the electric tracing heat is that a certain amount of heat is radiated through a heat tracing medium, and the loss of a heat tracing pipeline is supplemented through direct or indirect heat exchange so as to meet the normal working requirements of temperature rise, heat preservation or anti-freezing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tunnel fire control is with energy-saving electric heat tracing blanket to when the existence electric heat tracing blanket that provides keeps warm to the pipeline in solving above-mentioned background art, there is the heat to run off, problem that is not energy-conserving.

In order to achieve the above object, the utility model provides a following technical scheme: an energy-saving electric heat tracing blanket for tunnel fire protection comprises an electric heat tracing blanket, wherein the top and the bottom of the outer wall of the electric heat tracing blanket are both provided with a heat preservation and insulation layer;

the heat insulation layer comprises a ceramic fiber blanket layer and a silicon carbide fiber layer;

the two ceramic fiber blanket layers are respectively bonded to the top and the bottom of the outer wall of the electric heat tracing blanket, and silicon carbide fiber layers are bonded to the outer sides of the two ceramic fiber blanket layers.

Preferably, the ceramic fiber blanket layer and the silicon carbide fiber layer are matched with the outer wall of the electric tracing blanket.

Preferably, waterproof and moistureproof layers are arranged on the outer sides of the two silicon carbide fiber layers;

the waterproof and damp-proof layer comprises a PVC plastic-coated cloth layer and a waterproof nylon cloth layer;

the two PVC plastic-coated cloth layers are respectively adhered to the outer sides of the two silicon carbide fiber layers, and two waterproof nylon cloth layers are adhered to the outer sides of the two PVC plastic-coated cloth layers.

Preferably, the outer sides of the two waterproof nylon cloth layers are provided with wear-resistant layers;

the wear-resistant layer comprises a polytetrafluoroethylene layer and a polyethylene fiber layer;

two the polytetrafluoroethylene layer is the outside of two waterproof nylon cloth layers of adhesion respectively, two the outer wall on polytetrafluoroethylene layer has two polyethylene fiber layers of adhesion respectively.

Preferably, the outer sides of the two polyethylene fiber layers are provided with salient points.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization.

This energy-saving electric heat tracing blanket is used in tunnel fire control through the cooperation between ceramic fiber blanket layer and the carborundum fibre layer for electric heat tracing blanket has good heat preservation and heat-proof quality through ceramic fiber blanket layer and carborundum fibre layer, hinders electric heat tracing blanket production thermal loss, the energy saving.

This energy-saving electric heat tracing blanket is used in tunnel fire control through the cooperation between PVC plastic-coated cloth layer, waterproof nylon cloth layer, polytetrafluoroethylene layer and the polyethylene fibre layer for have good dampproofing and waterproofing nature through PVC plastic-coated cloth layer, waterproof nylon cloth layer, avoid electric heat tracing blanket and steam contact, and have good wear-resisting, corrosion resistance through polytetrafluoroethylene layer and polyethylene fibre layer, strengthen electric heat tracing blanket's job stabilization nature.

Drawings

FIG. 1 is a schematic view of the connection relationship of the present invention;

FIG. 2 is a schematic structural view of the electric heat tracing blanket, the polytetrafluoroethylene layer and the polyethylene fiber layer of FIG. 1;

FIG. 3 is a schematic structural view of the ceramic fiber blanket layer and the silicon carbide fiber layer of FIG. 1;

fig. 4 is a schematic structural view of the PVC plastic-coated cloth layer and the waterproof nylon cloth layer in fig. 1.

In the figure: 1. the electric heat tracing carpet comprises an electric heat tracing carpet, 2 a heat insulation layer, 201 a ceramic fiber carpet layer, 202 a silicon carbide fiber layer, 3 a waterproof and moistureproof layer, 301 a PVC plastic coated cloth layer, 302 a waterproof nylon cloth layer, 4 a wear-resistant layer, 401 a polytetrafluoroethylene layer, 402 a polyethylene fiber layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an energy-saving electric heat tracing blanket for tunnel fire protection comprises an electric heat tracing blanket 1, wherein the top and the bottom of the outer wall of the electric heat tracing blanket 1 are respectively provided with a heat insulation layer 2, the heat insulation layer 2 comprises a ceramic fiber blanket layer 201 and a silicon carbide fiber layer 202, the two ceramic fiber blanket layers 201 are respectively bonded to the top and the bottom of the outer wall of the electric heat tracing blanket 1, and the ceramic fiber blanket layer 201 is also called as an aluminum silicate fiber blanket, and is called as a ceramic fiber blanket because one of the main components of the ceramic fiber blanket is aluminum oxide which is also the main component of porcelain. The ceramic fiber blanket mainly comprises a ceramic fiber blowing blanket and a ceramic fiber throwing blanket, the ceramic fiber throwing blanket is superior to the ceramic fiber blowing blanket in heat preservation performance due to long fiber and small heat conductivity coefficient, the outer sides of the two ceramic fiber blanket layers 201 are both bonded with a silicon carbide fiber layer 202, the silicon carbide fiber layer 202 is made into inorganic fiber with a beta-silicon carbide structure by taking an organic silicon compound as a raw material through spinning, carbonization or vapor deposition, the inorganic fiber belongs to ceramic fibers, the maximum use temperature reaches 1200 ℃, the heat resistance and the oxidation resistance of the inorganic fiber are superior to those of carbon fiber, the strength reaches 1960-4410 MPa, the strength retention rate is above 80% at the maximum use temperature, the modulus is 176.4-294 GPa, the chemical stability is good, the ceramic fiber blanket layer 201 and the silicon carbide fiber layer 202 are matched with the outer wall of the electric heat tracing blanket 1, so that the ceramic fiber blanket layer 201 and the silicon carbide fiber layer 202 can stably preserve heat generated by the electric tracing blanket 1, the heat loss is avoided.

The outer sides of the two silicon carbide fiber layers 202 are both provided with the waterproof and moistureproof layers 3, the waterproof and moistureproof layers 3 comprise PVC plastic coated cloth layers 301 and waterproof nylon cloth layers 302, the two PVC plastic coated cloth layers 301 are respectively adhered to the outer sides of the two silicon carbide fiber layers 202, the PVC plastic coated cloth layers 301 mainly comprise polyvinyl chloride, auxiliary materials such as plasticizer, anti-aging agent and the like are added in the manufacturing process of PVC canvas to enhance the heat resistance, toughness, ductility and the like, the pasty resin is coated on the surface of the PVC plastic coated cloth layers to be matched with a plurality of chemical additives such as accelerating agent, mildew preventive, anti-aging agent and the like, the PVC plastic coated cloth layers have the functions of nonflammability, high strength, weather resistance and excellent geometric stability, and also have the functions of waterproofness, mildew resistance, wear resistance, durability, cold resistance, aging resistance and the like, the two waterproof nylon cloth layers 302 are adhered to the outer sides of the two PVC plastic coated, the electric heat tracing blanket is flame-retardant, 100% waterproof, more waterproof compared with other canvas, good low flexibility, high strength, strong tension and relatively light, the main processing mode is high-temperature heat seal, and the top PVC plastic-coated cloth layer and the waterproof nylon cloth layer and the bottom PVC plastic-coated cloth layer and the waterproof nylon cloth layer are symmetrically distributed by taking the electric heat tracing blanket as a transverse axis, so that the PVC plastic-coated cloth layer 301 and the waterproof nylon cloth layer 302 can stably carry out waterproof and moistureproof treatment on the electric heat tracing blanket 1, and the working stability of the electric heat tracing blanket 1 is improved.

The outer sides of the two waterproof nylon cloth layers 302 are provided with the wear-resistant layers 4, each wear-resistant layer 4 comprises a polytetrafluoroethylene layer 401 and a polyethylene fiber layer 402, the two polytetrafluoroethylene layers 401 are respectively adhered to the outer sides of the two waterproof nylon cloth layers 302, the polytetrafluoroethylene layers 401 are commonly called as 'plastic king', are high polymer polymers prepared by polymerization of tetrafluoroethylene serving as monomers, are white wax, semitransparent, heat-resistant and cold-resistant, and can be used for a long time at the temperature of-180-260 ℃. The material has the characteristics of acid resistance, alkali resistance and various organic solvent resistance, is almost insoluble in all solvents, two polyethylene fiber layers 402 are respectively adhered to the outer walls of two polytetrafluoroethylene layers 401, the polyethylene fiber layers 402 refer to fiber materials obtained by spinning polyethylene through a melt spinning method, and comprise short fibers and long fibers, the mechanical strength of the fibers can be adjusted through spinning process parameters, the wet strength and the elongation are the same as those of the dry fibers, the polyethylene fibers have the advantages of high strength, low density, good insulation and the like, salient points are processed on the outer sides of the two polyethylene fiber layers 402, and the salient points are used for increasing the contact friction force between the polyethylene fiber layers 402 and external pipelines.

When the energy-saving electric heat tracing blanket for tunnel fire protection is used, the ceramic fiber blanket layer 201 and the silicon carbide fiber layer 202 have the characteristics of small heat conductivity coefficient, good heat resistance and good oxidation resistance, so that when the electric heat tracing blanket 1 generates heat, the loss of the heat generated by the electric heat tracing blanket 1 is blocked, the heat preservation performance of the electric heat tracing blanket 1 on external pipelines is further improved, energy is saved, the PVC plastic-coated cloth layer 301 and the waterproof nylon cloth layer 302 have the characteristics of good water resistance, mildew resistance and moisture resistance, the external water vapor is isolated from the electric heat tracing blanket 1, the electric heat tracing blanket 1 is prevented from being damaged due to the contact of the electric heat tracing blanket 1 and the water vapor, the working stability of the electric heat tracing blanket 1 is improved, and the advantages of acid and alkali resistance, various organic solvents resistance, high strength, low density, good insulation performance and the like are achieved through the polytetrafluoroethylene layer and the polyethylene fiber layer, so that the electric heat tracing blanket 1 can be protected and the damage is avoided, further improving the stability of the working efficiency of the electric heat tracing blanket 1.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a tunnel fire control is with energy-saving electric heat tracing blanket, includes electric heat tracing blanket (1), its characterized in that: the top and the bottom of the outer wall of the electric heat tracing blanket (1) are both provided with a heat insulation layer (2);

the heat insulation layer (2) comprises a ceramic fiber blanket layer (201) and a silicon carbide fiber layer (202);

the two ceramic fiber blanket layers (201) are respectively bonded to the top and the bottom of the outer wall of the electric heat tracing blanket (1), and silicon carbide fiber layers (202) are bonded to the outer sides of the two ceramic fiber blanket layers (201).

2. The energy-saving electric heat tracing blanket for tunnel fire fighting as claimed in claim 1, wherein: the ceramic fiber blanket layer (201) and the silicon carbide fiber layer (202) are matched with the outer wall of the electric heat tracing blanket (1).

3. The energy-saving electric heat tracing blanket for tunnel fire fighting as claimed in claim 1, wherein: waterproof and moistureproof layers (3) are arranged on the outer sides of the two silicon carbide fiber layers (202);

the waterproof and moistureproof layer (3) comprises a PVC plastic-coated cloth layer (301) and a waterproof nylon cloth layer (302);

two PVC plastic-coated fabric layer (301) adhesion respectively in the outside on two carborundum fibre layers (202), two the outside of PVC plastic-coated fabric layer (301) all adheres to there are two waterproof nylon cloth layers (302).

4. The energy-saving electric heat tracing blanket for tunnel fire fighting according to claim 3, characterized in that: the outer sides of the two waterproof nylon cloth layers (302) are respectively provided with a wear-resistant layer (4);

the wear-resistant layer (4) comprises a polytetrafluoroethylene layer (401) and a polyethylene fiber layer (402);

two polytetrafluoroethylene layer (401) adhesion respectively in the outside of two waterproof nylon cloth layers (302), two the outer wall on polytetrafluoroethylene layer (401) adhesion has two polyethylene fiber layer (402) respectively.

5. The energy-saving electric heat tracing blanket for tunnel fire fighting according to claim 4, characterized in that: salient points are processed on the outer sides of the two polyethylene fiber layers (402).

Images