CN217671471U

CN217671471U - Fireproof and explosion-proof blanket

Info

Publication number: CN217671471U
Application number: CN202221460198.8U
Authority: CN
Inventors: 祝熙明; 黄志�; 宋艳军; 陈楚文; 彭金洲; 张婷
Original assignee: Sichuan Enruier Security Technology Co ltd
Current assignee: Sichuan Enruier Security Technology Co ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-10-28
Anticipated expiration: 2032-06-10

Abstract

The utility model relates to a cable fire and explosion protection field discloses a fire and explosion protection blanket, include: the blanket comprises a blanket body and a buffer belt connected to the blanket body, wherein the blanket body sequentially comprises a cooling layer, a flame-retardant layer and an explosion-proof layer from inside to outside; the cooling layer contacted with the cable joint can be cooled, the probability of combustion and explosion of the cable joint is reduced, the flame-retardant layer blocks the propagation of flame, the explosion-proof layer is alternately arranged by a plurality of honeycomb structure layers and a reinforced isolating layer, and the propagation distance of explosion impact can be effectively weakened by the plurality of honeycomb structure layers and the reinforced isolating layer; the outermost buffer belt not only plays a role in tightening the blanket body, but also can relieve impact force during explosion, and the fireproof and explosion-proof blanket is light in weight, high in flexibility and convenient to transport and use.

Description

Fireproof and explosion-proof blanket

Technical Field

The utility model relates to a cable fire prevention explosion-proof field especially relates to a fire prevention and explosion-proof blanket.

Background

With the progress of society, power facilities are continuously expanded, high-voltage cables in high-voltage tunnels in cities are more and more, the cable joints are located at positions where accidents are most likely to occur on cable lines, and the cable joints are subjected to accidents such as explosion, fire, arc discharge and the like due to various line reasons, so that the cable joints in the cable tunnels need to be subjected to fire and explosion prevention measures.

At present, a cable groove box or an explosion-proof partition plate is generally used in a cable tunnel as a protection measure of a cable joint, generally, a hard plate is adopted as an installation material in the measures, during installation, a series of fire operations such as punching on a wall in the tunnel, cutting the plate in the tunnel and the like are needed, the construction space is narrow, the installation difficulty is high, meanwhile, the hard plate is inconvenient to carry in the narrow tunnel full of cables and only can be carried manually, the cables are prevented from being collided, the cable explosion-proof groove box is used as a cable head explosion-proof measure, the cable explosion-proof groove box is large in size and wide in radian and is not beneficial to installation in the narrow cable tunnel, even when the cable head is installed, the cable head can be hung up for at least 20 centimeters to install the cable explosion-proof groove box in place, the influence on the cable head is large, when the distance between the cables is narrow, the cable explosion-proof groove box cannot be installed, the adaptability of the cable groove box to the cable head is low, and due to the reasons of different processes of cable companies, the size of the cable head can also cause different situations, and the situation can not be installed or can not be installed correctly.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fire and explosion protection blanket solves the current fire and explosion protection facility of cable joint department and is suitable for the not good problem of effect.

A fire and explosion protection blanket comprising: the carpet comprises a carpet body and a buffer belt connected to the carpet body, wherein the carpet body sequentially comprises a cooling layer, a flame-retardant layer and an explosion-proof layer from inside to outside, the explosion-proof layer comprises a plurality of honeycomb structure layers and a reinforced partition layer, and the honeycomb structure layers and the reinforced partition layer are arranged adjacently; the buffer belt comprises a transverse belt and a longitudinal belt which are arranged in a crossed manner, retaining rings for fastening are arranged at two ends of the transverse belt, the transverse belt and the longitudinal belt are arranged on the outer side of the explosion-proof layer, and the joint of the transverse belt and the longitudinal belt is fixedly connected.

Adopt above-mentioned technical scheme's beneficial effect: the fireproof and explosion-proof blanket made of flexible materials can be installed without moving cable connectors, the adaptability is strong, and the fireproof and explosion-proof blanket can be used no matter what type of cable connectors are; the honeycomb structure is arranged in the explosion-proof layer, shock waves generated by explosion of the cable joint can be maximally dispersed, and the shock waves are weakened through the reinforced partition layer, so that the distance of explosion impact can be effectively reduced.

And further, the adjacent honeycomb structure layers and the reinforced partition layer are bonded by high-temperature-resistant glue.

Furthermore, the cooling layer is filled with a heat absorbing medium.

Adopt above-mentioned technical scheme's beneficial effect: the heat absorption medium is arranged to cool the high-temperature cable joint, so that the probability of combustion and explosion of the cable joint is reduced.

Furthermore, the fire-retardant layer is internally filled with fire-extinguishing medium.

The beneficial effects of adopting the above technical scheme are as follows: the fire extinguishing medium blocks the outward spread of flame and prevents the occurrence of fire accidents.

Furthermore, the buffer belt is formed by sewing and connecting a plurality of transverse aramid woven belts and vertical aramid woven belts in a staggered manner.

The beneficial effects of adopting the above technical scheme are as follows: the aramid fiber woven tape has the excellent performances of light weight, high strength, good flame retardance, low shrinkage, wear resistance, heat resistance, corrosion resistance and the like, is suitable for severe conditions of cable tunnel lamps, and can ensure that a blanket body tied on a cable joint is not easy to fall off.

Furthermore, two ends of the transverse belt are respectively provided with a group of retaining rings.

Adopt above-mentioned technical scheme's beneficial effect: two groups of buckles are arranged on one transverse belt to ensure that the binding is firmer.

The utility model discloses following beneficial effect has: when the cable joint is used, the cooling layer in contact with the cable joint can be cooled, so that the probability of combustion and explosion of the cable joint is reduced; when the cable joint burns, the temperature of the fire is reduced by the cooling layer, and the flame is blocked from spreading together with the flame-retardant layer; when the cable joint is exploded, the propagation distance of explosion impact is weakened by the multiple honeycomb structure layers and the reinforced isolating layer; the buffer belt at the outermost layer not only plays a role of tightly binding the blanket body, but also can relieve the impact force during explosion; the fireproof and explosion-proof blanket is light in weight, high in flexibility and convenient to transport and use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the carpet body of the present invention.

In the figure: 1-a blanket body; 101-cooling layer; 102-a flame retardant layer; 103-explosion-proof layer; 2-a transverse belt; 3 a longitudinal strip; 4-a retaining ring.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Referring to fig. 1 and 2, the utility model provides a fire and explosion protection blanket, include: the carpet comprises a carpet body 1 and a buffer belt connected to the carpet body 1, wherein the carpet body 1 sequentially comprises a cooling layer 101, a flame-retardant layer 102 and an explosion-proof layer 103 from inside to outside; the buffer zone comprises a transverse zone 2 and a longitudinal zone 3 which are arranged in a crossed mode, retaining rings 4 used for buckling are arranged at two ends of the transverse zone 2, the transverse zone 2 and the longitudinal zone 3 are arranged on the outer side of the explosion-proof layer 103, and the connecting positions are fixedly connected.

The cooling layer 101 is filled with a heat-absorbing medium, and the heat-absorbing medium is fireproof phase-change gel; when the cable joint is used, the cable joint can be maintained at a temperature of 15-33 ℃ through the heat-absorbing medium, and the accidents of combustion and explosion caused by overhigh temperature are avoided.

The fire-extinguishing medium is filled in the fire-retardant layer 102, and is fireproof phase-change gel; when a combustion accident occurs, the flame burns the cooling layer 101 first, the cooling layer 101 cools and absorbs heat from the flame, and then the fire extinguishing medium in the flame retardant layer 102 blocks the flame from continuing to burn, so that the flame retardant and fire extinguishing effects are achieved.

The explosion-proof layer 103 is internally provided with a plurality of honeycomb structure layers and reinforced partition layers which are adjacently arranged, the adjacent honeycomb structure layers and the reinforced partition layers are bonded by high-temperature-resistant glue, and the honeycomb structure layers and the reinforced partition layers are both made of Kevlar materials which have low density, high strength, good toughness, high temperature resistance and easy processing and forming, can bear the damage of explosion shock waves and weaken the propagation distance to the maximum extent; the honeycomb structure layer can enable shock wave energy generated by explosion to be maximally dispersed, after the impact force breaks through the reinforced partition layer, the energy is weakened during the conduction of the honeycomb layer, and the weakened energy is subjected to energy attenuation again in the second honeycomb layer after passing through the next reinforced partition layer, so that the effect of inhibiting the explosion impact force is achieved.

The buffer zone is formed by the crisscross sewing connection of a plurality of horizontal bands 2 and vertical bands 3, is made of aramid fiber material, and the both ends of horizontal band 2 are equipped with a set of buckle 4 respectively, and two sets of buckles 4 are locked when using and can ensure that blanket body 1 can not break away from, also can alleviate the impact force that the explosion produced simultaneously.

The above description is only a preferred embodiment of the invention, which does not represent all possible forms of the invention, and the scope of protection of the invention is not limited to such specific statements and embodiments. Various other modifications and improvements can be made in accordance with the teachings of the present disclosure without departing from the spirit thereof and still be within the scope of the invention.

Claims

1. A fire and explosion protection blanket, comprising: the carpet comprises a carpet body (1) and a buffer belt connected to the carpet body (1), wherein the carpet body (1) sequentially comprises a cooling layer (101), a flame-retardant layer (102) and an explosion-proof layer (103) from inside to outside, the explosion-proof layer (103) comprises a plurality of honeycomb structure layers and a reinforced partition layer, and the honeycomb structure layers and the reinforced partition layer are adjacently arranged; the buffer zone comprises a transverse zone (2) and a longitudinal zone (3) which are arranged in a crossed manner, two ends of the transverse zone (2) are provided with retaining rings (4) for fastening, the transverse zone (2) and the longitudinal zone (3) are arranged on the outer side of the explosion-proof layer (103), and the connecting parts of the transverse zone and the longitudinal zone are fixedly connected.

2. A fire and explosion protection blanket as defined in claim 1, wherein: and the adjacent honeycomb structure layers and the reinforced partition layer are bonded by high-temperature-resistant glue.

3. A fire and explosion protection blanket as defined in claim 1, wherein: the cooling layer (101) is filled with a heat absorbing medium.

4. A fire and explosion protection blanket as defined in claim 1, wherein: the fire-retardant layer (102) is filled with fire-extinguishing medium.

5. The fire and explosion protection blanket of claim 1, wherein: the buffer belt is formed by sewing and connecting a plurality of transverse aramid fiber woven belts and vertical aramid fiber woven belts in a staggered manner.

6. A fire and explosion protection blanket as defined in any one of claims 1 to 5, wherein: and two ends of the transverse belt (2) are respectively provided with a group of retaining rings (4).