CN218010737U

CN218010737U - Fire extinguishing filler

Info

Publication number: CN218010737U
Application number: CN202221673716.4U
Authority: CN
Inventors: 曹嘉羽
Original assignee: Jiaxing Port Jin'an New Environmental Protection Materials Co ltd
Current assignee: Jiaxing Port Jin'an New Environmental Protection Materials Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-12-13
Anticipated expiration: 2032-06-30

Abstract

The application relates to the technical field of fire extinguishing filler, in particular to a fire extinguishing filler. The particle size of the fire extinguishing filler is controlled to be 1-30mm, the fire extinguishing filler comprises an outer film layer and a fire extinguishing agent, and a filling cavity is integrally formed inside the outer film layer; the fire extinguishing agent is filled in the filling cavity; when the fire extinguishing agent in the filling cavity is placed in a fire environment, the fire extinguishing agent is heated and gasified to generate explosion tension which damages the outer film layer, and the gasified fire extinguishing agent is diffused and gasified to the fire environment to extinguish the fire source. This application not only has the function of putting out a fire fast, avoids causing the secondary to precision instruments, regulator cubicle, new energy automobile group battery moreover and destroys, effectively reduces the economic loss that the conflagration brought, and the place that can add as the form of the filler of putting out a fire is extensive, and the application form is various.

Description

Fire extinguishing filler

Technical Field

The application relates to the technical field of fire extinguishing filler, in particular to a fire extinguishing filler.

Background

Fire extinguishers, as one of the common fire-fighting facilities, can quickly and effectively extinguish initial fire accidents, and have been widely used as indispensable fire-fighting equipment. Fire extinguishers are generally stored in public places or places where fires may happen, and fire extinguishers are different in effective fire extinguishing ingredients according to different fire occurrence scenes and fire sources.

In the related art, the fire extinguishing filler comprises magnesium hydroxide, aluminum hydroxide, calcium carbonate and the like, the fire extinguishing filler is subjected to thermal decomposition at high temperature, and generated water vapor can dilute oxygen in air, absorb combustion heat, slow or inhibit the combustion of polymers and play a role in enhancing the fire extinguishing effect. However, for example, in the case of fire in class E appliances, carbon dioxide fire extinguisher, ammonium phosphate dry powder fire extinguisher or sodium bicarbonate dry powder fire extinguisher is generally used. The fire extinguishing filler such as magnesium hydroxide, aluminum hydroxide, calcium carbonate and the like is added into the fire extinguisher, so that the fire extinguishing effect can be improved, but when an electric appliance product is extinguished, the electric appliance can be damaged and secondarily damaged by adopting a carbon dioxide fire extinguisher, an ammonium phosphate dry powder fire extinguisher or a sodium bicarbonate dry powder fire extinguisher.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems of the related art, the present application provides a fire extinguishing packing.

The application provides a fire extinguishing filler, is realized through following technical scheme:

the particle size of the fire extinguishing filler is controlled to be 1-30mm, the fire extinguishing filler comprises an outer film layer and a fire extinguishing agent, and a filling cavity is integrally formed inside the outer film layer 1; the fire extinguishing agent is filled in the filling cavity; when the fire extinguishing agent in the filling cavity is placed in a fire environment, the fire extinguishing agent is heated and gasified to generate bursting tension which damages the outer film layer, and the gasified fire extinguishing agent is diffused and gasified to the fire environment to extinguish a fire source.

Through adopting above-mentioned technical scheme, this application not only has the function of putting out a fire fast, avoids causing the secondary to destruction to precision instruments, regulator cubicle, new energy automobile group battery moreover, effectively reduces the economic loss that the conflagration brought, and as the form of the filler of putting out a fire, has wide application.

The filler of putting out a fire in this application can fill the battery module shell surface on new energy automobile and play the fire prevention effect of putting out a fire, and the temperature of the battery module on new energy automobile 70 ℃, the fire extinguishing agent among the filler of putting out a fire breaks the rete, puts out a fire the fire prevention to the battery module on the new energy automobile and handles, for the personnel creation time of fleing, promotes the application safety factor of new energy automobile.

Preferably, the material of the outer film layer is selected from one of PE, PS, PET and EVA.

Through the material of preferred adventitia layer, not only be convenient for control the maximum burst pressure of adventitia layer, can reduce this application moreover in the technology degree of difficulty of processing production, utilize control manufacturing cost.

Preferably, the maximum bursting pressure which can be borne by the outer film layer is 1-5 times of the saturated vapor pressure of the fire extinguishing agent corresponding to the flash point or the spontaneous combustion temperature of the combustible substances in the using scene.

By adopting the technical scheme, the maximum bursting pressure born by the outer film layer can be pertinently developed and improved according to the difference of the flash point or the spontaneous combustion temperature of the combustible substance in the use scene, and the fire extinguishing efficiency is ensured, and meanwhile, the production, the storage and the use are convenient.

Preferably, the maximum bursting pressure which can be borne by the outer film layer is 1.25-5 times of the corresponding saturated steam pressure of the fire extinguishing agent at the highest temperature of a use scene.

By adopting the technical scheme, the maximum bursting pressure born by the outer film layer can be developed and improved in a targeted manner according to the difference of the highest temperature of a use scene, so that the fire extinguishing efficiency is ensured, and meanwhile, the production, the storage and the use are facilitated.

Preferably, the maximum bursting pressure which can be borne by the outer film layer is 1-2 times of the saturated steam pressure of the corresponding fire extinguishing agent when the fire alarm temperature is set in a use scene.

When the maximum bursting pressure which can be borne by the outer film layer is 1 time of the saturated steam pressure of the corresponding fire extinguishing agent at the highest temperature of a use scene, taking perfluorohexanone as an example, the use scene is a battery module on a new energy automobile, and the maximum bursting pressure which can be borne by the outer film layer is 1.6kg when the maximum temperature is 70 ℃.

When the maximum burst pressure which can be borne by the outer film layer is 1.75 times of the saturated vapor pressure of the corresponding fire extinguishing agent when the maximum burst pressure which can be borne by the outer film layer is the highest temperature of a using scene, the maximum burst pressure which can be borne by the outer film layer is =1.75 x 1.6 =2.8kg, when the perfluorohexanone is heated to 65 ℃, the burst tension is 1.6kg, when the perfluorohexanone is heated to be more than 85 ℃, the burst tension is more than 2.8kg, the saturated vapor pressure generated by the heating of the perfluorohexanone breaks the outer film layer, and the perfluorohexanone is rapidly diffused into the environment to play a role of rapidly extinguishing the fire.

When the maximum bursting pressure which can be borne by the outer film layer is more than 1 time and less than 5 times of the saturated steam pressure of the corresponding fire extinguishing agent when the maximum temperature of the using scene is achieved, the requirement of the design safety margin under the common working condition is mainly met.

When the maximum bursting pressure which can be borne by the outer film layer is =2 × 0.16=0.32MPa, when the perfluorohexanone is heated to 70 ℃, the bursting tension is 0.16 MPa, when the perfluorohexanone is heated to 90 ℃, the bursting tension is greater than 0.32MPa, the saturated vapor pressure generated by the heating of the perfluorohexanone breaks the outer film layer, and the perfluorohexanone is quickly diffused to the environment, so that the effect of quickly extinguishing fire is achieved.

Preferably, when the usage scene is the outer shell of the battery module of the new energy automobile, the maximum temperature of the usage scene is 70 ℃, the fire extinguishing agent is perfluorohexanone, and the maximum bursting pressure which can be borne by the outer membrane layer is 0.32MPa.

Through adopting above-mentioned technical scheme, the filler of putting out a fire in this application can fill the battery module shell surface on the new energy automobile and play the fire prevention effect of putting out a fire, and the temperature of the battery module on the new energy automobile 70 ℃, the fire extinguishing agent among the filler of putting out a fire breaks the tunica adventitia, puts out a fire the fire prevention to the battery module on the new energy automobile and handles, creates the time for the personnel flee, promotes the application safety factor of new energy automobile.

Preferably, the fire extinguishing agent is at least one of perfluoropentanol, perfluorohexanol, perfluoroheptanol and perfluorooctanol, or the fire extinguishing agent is at least one of perfluoropentanoic acid, perfluorohexanoic acid, perfluoroheptanoic acid and perfluorooctanoic acid, or the fire extinguishing agent is at least one of perfluoroc 5-C8 esters, or the fire extinguishing agent is at least one of perfluoropentanone, perfluorohexanone, perfluoroheptanone and perfluorooctanone.

Through adopting above-mentioned technical scheme, can play the effect of quick fire extinguishing, and in the fire hazard environment was arranged in to the filler of putting out a fire in this application, the reagent of putting out a fire of storing is heated gasification in the filler of putting out a fire, produce the blasting tension of destroying the outer membrane layer, behind the outer rete of blasting, the reagent of putting out a fire of gasification diffuses to the environment fast, play the effect of putting out a fire rapidly, and to precision instruments, the regulator cubicle, when the new energy automobile group battery was accomplished and is put out a fire rapidly, can avoid causing the secondary to destroy to precision instruments, the regulator cubicle, new energy automobile group battery etc., effectively reduce the economic loss that the conflagration brought.

Preferably, the fire extinguishing agent is fluoride corresponding to perfluorinated C5-C8 alkane and isomers thereof or fluoride corresponding to perfluorinated C5-C8 alcohol and isomers thereof or fluoride corresponding to perfluorinated C5-C8 ester and isomers thereof or fluoride corresponding to perfluorinated C5-C8 acid and isomers thereof or fluoride corresponding to perfluorinated C5-C8 ketone and isomers thereof.

Through adopting above-mentioned technical scheme, can play quick fire extinguishing's effect and safer, harmless to the people.

Preferably, the fire extinguishing agent is perfluorohexanone, and the maximum burst pressure which can be borne by the outer film layer is 2 times of the saturated vapor pressure of the fire extinguishing agent at the highest temperature of a use scene.

Through adopting above-mentioned technical scheme, can play the effect of quick fire extinguishing and safer, harmless and the commercialization of being convenient for is used and is promoted to the people.

Preferably, the method for using the fire extinguishing filler comprises the following steps: 1. the fireproof device can be filled in gaps of fireproof places or devices for use; 2. the fire extinguishing bomb can be made into large-scale particle fire extinguishing bombs with the diameter not larger than 50cm, manual or mechanical assistance is used, and after a fire disaster occurs, the fire extinguishing bombs are thrown to a fire source for use; the maximum bursting pressure which can be borne by the outer film layer of the large-sized particle fire extinguishing bomb is 2-5 times of the saturated vapor pressure of the fire extinguishing agent corresponding to the temperature of the severe storage environment.

By adopting the technical scheme, the fire extinguishing filler has wide places and various application forms, and can be added as a fire extinguishing filler; and can be used as a large-scale particle fire extinguishing bomb, thereby improving the fire extinguishing efficiency and protecting the fire extinguishing safety factor of firemen.

In summary, the present application has the following advantages:

1. this application not only has the function of putting out a fire fast, avoids causing the secondary to precision instruments, regulator cubicle, new energy automobile group battery moreover and destroys, effectively reduces the economic loss that the conflagration brought, and the place that can add as the form of the filler of putting out a fire is extensive, and the application form is various.

2. The filler of putting out a fire in this application can fill the battery module shell surface on new energy automobile and play the fire prevention effect of putting out a fire, and the temperature of the battery module on new energy automobile 70 ℃, the fire extinguishing agent among the filler of putting out a fire breaks the rete, puts out a fire the fire prevention to the battery module on the new energy automobile and handles, for the personnel creation time of fleing, promotes the application safety factor of new energy automobile.

3. The filler particle diameter of putting out a fire in this application is little can fill in comparatively narrow and small corner, and then guarantees that whole has better fire prevention function of putting out a fire.

4. This application can regard as large-scale granule fire extinguishing bomb to use, improves the efficiency of putting out a fire, protects firemen's factor of safety of putting out a fire.

Drawings

Fig. 1 is a schematic view of the overall structure of example 1 in the application, wherein the thickness of the first half outer film layer is equal to that of the second half outer film layer and the three-dimensional shape of the fire extinguishing filler is spherical.

Fig. 2 is a schematic view of the whole structure of the embodiment 1 in the application, wherein the thickness of the first half outer film layer is equal to that of the second half outer film layer and the three-dimensional shape of the fire extinguishing filler is a capsule.

Fig. 3 is a schematic view of the overall structure of example 2 in the present application, wherein the thickness of the first half of the outer film layer is greater than that of the second half of the outer film layer.

Fig. 4 is a schematic view of the overall structure of example 2 in the present application, wherein the thickness of the first half of the outer film layer is smaller than that of the second half of the outer film layer.

In the figure, 1, the outer membrane layer; 10. filling the cavity; 2. a fire extinguishing agent; 3. a first semi-adventitia layer; 4. a second half adventitia layer.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples.

Example 1

Referring to fig. 1, for a fire extinguishing filler disclosed herein, includes an outer film layer 1, the outer film layer 1 includes a first half outer film layer 3 and a second half outer film layer 4, the first half outer film layer 3 and the second half outer film layer 4 form the outer film layer 1. A filling cavity 10 is integrally formed inside the outer film layer 1, and the filling cavity 10 of the outer film layer 1 is filled with the fire extinguishing agent 2. The particle size of the fire extinguishing filler in the application can be selected to be 1-30mm according to the actual requirement of a customer. The three-dimensional shape of the fire extinguishing filler in the present application can be selected according to the actual requirements of customers, and the three-dimensional shape can be selected, such as spherical, sphere-like, capsule-like (see fig. 2), columnar and the like, and the thickness of the first half outer film layer 3 is equal to that of the second half outer film layer 4.

Design principle of the adventitia layer 1:

the maximum burst pressure of the adventitia layer 1 (first and second half adventitia layers 3, 4) is dependent on: the type of membrane material, the thickness of membrane material, the type of fire extinguishing agent 2, the filling amount of fire extinguishing agent 2, the pre-punching pressure of fire extinguishing agent 2 (under the conventional whole, the first half outer membrane layer 3 and the second half outer membrane layer 4 are under the tension of fire extinguishing agent 2), the pre-punching temperature of fire extinguishing agent 2.

The fire extinguishing principle of the fire extinguishing filler in the application is as follows: when the fire extinguishing agent 2 in the filling cavity 10 is placed in a fire environment, the fire extinguishing agent 2 is heated and gasified to generate bursting tension (vapor pressure) for destroying the outer film layer 1, and under the action of the vapor pressure of the gasified fire extinguishing agent 2, the gasified fire extinguishing agent 2 destroys the outer film layer 1 and diffuses to the fire environment to extinguish a fire source.

Wherein, the first half outer film layer 3 and the second half outer film layer 4 can be selected from one of PE, PS, PET and EVA.

The maximum bursting pressure which can be born by the outer film layer 1 is 1.0-2.5 times of the saturated vapor pressure of the corresponding fire extinguishing agent at the highest temperature of a using scene.

The maximum bursting pressure which can be born by the outer film layer 1 is 1-5 times of the saturated vapor pressure of the fire extinguishing agent corresponding to the flash point or the spontaneous combustion temperature of the combustible substances of the using scene.

The maximum burst pressure which can be borne by the outer film layer 1 is 1.25-5 times of the saturated steam pressure of the corresponding fire extinguishing agent at the highest temperature of a using scene.

The maximum bursting pressure which can be born by the outer film layer 1 is 1-2 times of the saturated steam pressure of the corresponding fire extinguishing agent when the fire alarm temperature is set in a use scene.

The maximum burst pressure which can be borne by the outer film layer can be developed and improved in a targeted manner according to the difference of the flash point or spontaneous combustion temperature of combustible substances in the use scene, the difference of the highest temperature in the use scene and the difference of the set fire alarm temperature in the use scene, so that the fire extinguishing efficiency is guaranteed, and meanwhile, the production, the storage and the use are convenient.

Preferably, the maximum burst pressure that the outer film layer 1 can bear is 1-2 times of the saturated vapor pressure of the corresponding fire extinguishing agent when the fire alarm temperature is set by the use scene. In this embodiment, the maximum burst pressure that the outer film layer 1 can bear is 2 times of the saturated vapor pressure of the corresponding fire extinguishing agent when the fire alarm temperature is set in the use scene. For example, when the usage scene is the outer shell of the new energy automobile battery module, the maximum temperature of the usage scene is 70 ℃, the fire extinguishing agent 2 is perfluorohexanone, the maximum bursting pressure that the outer membrane layer 1 can bear is 0.32MPa, namely the temperature reaches 90 ℃, the saturated vapor pressure of the perfluorohexanone is 0.33 MPa, and the perfluorohexanone gas destroys the outer membrane layer 1 to be released, extinguishes the fire source, and plays a role in protecting the new energy automobile battery module.

Wherein, the fire extinguishing agent 2 is at least one of perfluorohexane, perfluoropentane, perfluoroheptane and perfluorooctane, or the fire extinguishing agent 2 is at least one of perfluoropentanol, perfluorohexanol, perfluoroheptanol and perfluorooctanol, or the fire extinguishing agent 2 is at least one of perfluoropentanoic acid, perfluorohexanoic acid, perfluoroheptanoic acid and perfluorooctanoic acid, or the fire extinguishing agent 2 is at least one of perfluoroC 5-C8 esters, or at least one of perfluoropentanone, perfluorohexanone, perfluoroheptanone and perfluorooctanone. Or the fire extinguishing agent 2 is fluoride corresponding to perfluoro C5-C8 alkane and isomers thereof, fluoride corresponding to perfluoro C5-C8 alcohol and isomers thereof, fluoride corresponding to perfluoro C5-C8 ester and isomers thereof, fluoride corresponding to perfluoro C5-C8 acid and isomers thereof, or fluoride corresponding to perfluoro C5-C8 ketone and isomers thereof.

In this example, the extinguishing agent 2 is perfluorohexanone. The perfluorohexanone has the extinguishing concentration of 4-6 percent and higher safety margin, and is safer for human bodies when in use. The perfluorohexanone is liquid at normal temperature, does not belong to dangerous goods, can be safely used at normal pressure, cannot be frozen at the temperature of minus 20 ℃, and has relatively good storage property.

The application method of the fire extinguishing filler comprises the following steps:

1. the fireproof material can be filled in gaps of fireproof places or devices for use;

2. the fire extinguishing bomb can be made into large-scale particle fire extinguishing bombs with the diameter not larger than 50cm, and the fire extinguishing bombs are manually or mechanically assisted and thrown to a fire source for use after a fire disaster occurs. Wherein, the maximum bursting pressure which can be born by the outer film layer 1 of the large-sized particle fire extinguishing bomb is 2-5 times of the saturated vapor pressure of the fire extinguishing agent corresponding to the temperature of the severe storage environment.

Example 2

Example 2 differs from example 1 in that:

referring to fig. 3, the thickness of the first half of the outer film layer 3 is greater than that of the second half of the outer film layer 4, and the explosion point of the fire extinguishing agent 2 in the fire extinguishing filler is located at the surface of the second half of the outer film layer 4. Therefore, the blasting point positions can be directionally selected according to the actual requirements of customers, and the fire extinguishing efficiency is improved.

Referring to fig. 4, when the thickness of the first half of the outer film layer 3 is smaller than that of the second half of the outer film layer 4, the explosion point of the fire extinguishing agent 2 in the fire extinguishing filler is located at the surface of the first half of the outer film layer 3. Therefore, the blasting point position can be directionally selected according to the actual requirements of customers, and the fire extinguishing efficiency is improved.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Fire extinguishing filler comprising a fire extinguishing agent (2), the fire extinguishing agent (2) being perfluorohexanone, characterized in that: the particle size of the fire extinguishing filler is controlled to be 1-30mm, the fire extinguishing filler further comprises an outer film layer (1), and a filling cavity (10) is integrally formed in the outer film layer (1); the fire extinguishing agent (2) is filled in the filling cavity (10); when the fire extinguishing agent (2) in the filling cavity (10) is placed in a fire environment, the fire extinguishing agent (2) is heated and gasified to generate explosion tension which damages the outer film layer (1), and the gasified fire extinguishing agent (2) is diffused and gasified to extinguish a fire source in the fire environment.

2. A fire extinguishing filling according to claim 1, wherein: the material of the outer film layer (1) is selected from one of PE, PS, PET and EVA.

3. A fire extinguishing filling according to claim 1, wherein: the maximum bursting pressure which can be borne by the outer film layer (1) is 1-5 times of the saturated vapor pressure of the fire extinguishing agent corresponding to the flash point or the spontaneous combustion temperature of the combustible substances in the using scene.

4. A fire extinguishing filling according to claim 1, wherein: the maximum bursting pressure which can be borne by the outer film layer (1) is 1.25-5 times of the saturated steam pressure of the corresponding fire extinguishing agent at the highest temperature of a using scene.

5. A fire extinguishing charge according to claim 1, characterised in that: the maximum bursting pressure which can be borne by the outer film layer (1) is 1-2 times of the saturated vapor pressure of the corresponding fire extinguishing agent when the fire alarm temperature is set in a use scene.

6. Fire extinguishing filling according to claim 5, characterized in that: when the using scene is the outer shell of the battery module of the new energy automobile, the highest temperature of the using scene is 70 ℃, the fire extinguishing agent (2) is perfluorohexanone, and the maximum bursting pressure which can be borne by the outer membrane layer (1) is 0.32MPa.

7. Fire extinguishing filling according to claim 5, characterized in that: the fire extinguishing agent (2) is perfluorohexanone, and the maximum bursting pressure borne by the outer film layer (1) is 2 times of the saturation vapor pressure of the corresponding fire extinguishing agent at the highest temperature of a use scene.