阅读说明：本技术 用于森林、草原防火的连接式温控胞衣阻化球及使用方法 (Connecting type temperature control cell-coating inhibition ball for forest and grassland fire prevention and use method ) 是由 蒋曙光 尹辰辰 吴征艳 刘津 邵昊 赵逸赟 奚弦 郭朝伟 王辉 于 2021-09-27 设计创作，主要内容包括：本发明提出一种用于森林、草原防火的连接式温控胞衣阻化球及使用方法,适用于森林或草原防火灭火使用。包括阻燃小球及芳纶线,所述阻燃小球由胞衣外壳和内部阻化液组成,所述胞衣外壳包含相变材料及增强体材料,熔融混合成型后可在一定温度范围内由固态转为液态,释放出内部封存的阻化液,所述阻化液一般为20％的氯化钙溶液,所述芳纶线为耐高温高强型、超细柔韧型特种纤维。本装置将阻化球与芳纶线相结合,利用芳纶线的牵引作用有目的的限制阻化球的滚动区域,使阻化球在抛洒过程中更为集中,降低抛洒地势对阻燃小球作用的影响,从而提高阻化球的利用率,更高效的发挥阻燃作用。(The invention provides a connected temperature control cell coat inhibition ball for forest and grassland fire prevention and a using method thereof, which are suitable for forest and grassland fire prevention and extinguishment. The flame-retardant fabric comprises flame-retardant pellets and aramid yarns, wherein the flame-retardant pellets are composed of a garment shell and an internal inhibition liquid, the garment shell contains a phase-change material and a reinforcement material, the phase-change material and the reinforcement material can be converted from a solid state to a liquid state within a certain temperature range after melting, mixing and molding, the inhibition liquid sealed inside is released, the inhibition liquid is a 20% calcium chloride solution generally, and the aramid yarns are high-temperature-resistant high-strength superfine flexible special fibers. This device will hinder and become ball and aramid fiber line and combine together, utilize the rolling region of the purposeful restriction of the traction of aramid fiber line to hinder and become the ball, make and hinder and become the ball more concentrated at the throwing in-process, reduce the influence of throwing the topography to fire-retardant bobble effect to improve the utilization ratio of hindering and become the ball, more efficient performance fire-retardant effect.)

1. A connection type temperature control cell coat inhibition ball for forest and grassland fire prevention is characterized in that: the temperature control cell coat pellet comprises a plurality of temperature control cell coat pellets, wherein each temperature control cell coat pellet comprises a spherical shell which can be rapidly melted when meeting high temperature, a fire extinguishing core is added in the shell, and the plurality of temperature control cell coat pellets are connected with one another through connecting wires; the shell which is rapidly melted at high temperature is prepared from 30-36% by mass of polyethylene glycol, 20-24% by mass of paraffin, 10-12% by mass of stearic acid, 12-17% by mass of aluminum hydroxide, 12-17% by mass of 3.5% by mass of zinc borate hydrate and 4-6% by mass of chopped glass fiber powder, and the connecting wire is made of a flame-retardant material.

2. A linked temperature-controlled capsule stopping ball for fire protection in forests and grasslands as claimed in claim 1, wherein: the fire extinguishing core is prepared by freezing 20% calcium chloride solution.

3. A linked temperature-controlled capsule stopping ball for fire protection in forests and grasslands as claimed in claim 1, wherein: the connecting line is an aramid fiber line.

4. A method for manufacturing a jointed temperature-controlled cell-coating stopping ball for fire prevention of forests and grasslands according to claim 1, which comprises the following steps: selecting a plurality of spherical grinding tools for manufacturing the fire extinguishing core material of the temperature control cell-coat globule as required, cutting off aramid fiber wires with proper length as required, putting the aramid fiber wires into the plurality of spherical grinding tools, then injecting 20% calcium chloride solution into the spherical grinding tools, and freezing the aramid fiber wires and the plurality of spherical grinding tools at low temperature so as to freeze and solidify the 20% calcium chloride solution into spherical fire extinguishing cores; and then preparing a temperature control cell coat shell material, putting the temperature control cell coat shell material into a constant temperature water bath kettle at 80 ℃ for heating and melting, wrapping the melted temperature control cell coat shell material outside the frozen and solidified two spherical fire extinguishing cores, and then rapidly cooling to solidify the shell material so as to prepare a group of connected temperature control cell coat inhibition balls for forest and grassland fire prevention.

5. The manufacturing method according to claim 4, characterized in that: the fire extinguishing core is arranged on an aramid fiber line at intervals or is woven into an aramid fiber line network by using the aramid fiber line, the spherical fire extinguishing core is manufactured by freezing on the cross node of the aramid fiber line network, and then the temperature control cell-coat blocking net can be formed by wrapping the temperature control cell-coat shell material on the outer layer of all the spherical fire extinguishing core.

6. The use method of the connected temperature-control cell-coating inhibition ball for forest and grassland fire prevention according to claim 1 is characterized in that:

the temperature control cell coat inhibition ball is thrown to an area needing fire extinguishing by an aircraft, and the temperature control cell coat inhibition ball comprises two temperature control cell coat small balls connected through a connecting line, so that the moving range is small and the concentration is improved after falling to the ground, and a flame-retardant fireproof belt can be formed in a relatively centralized manner after being thrown from high altitude;

the temperature control cell-coating inhibition balls are more easily blocked by vegetation or stones on the earth surface due to the composition structure of the connecting lines and the two temperature control cell-coating small balls, so that a large number of the temperature control cell-coating inhibition balls are left on the slope surface, the influence of the terrain of the inhibition small balls in the throwing process is reduced, and the coverage rate of the inhibition agent on the high-convexity terrain and half-slope positions is improved.

7. The use method of the connected temperature-control cell-coating inhibition ball for forest and grassland fire prevention according to claim 5 is characterized in that: the prepared temperature control cell coating blocking net is utilized to lay a fireproof belt, so that the development of fire is isolated rapidly; the skill of paving the temperature control cell coating blocking ball net on the slope from the top of the slope to the slope can achieve the effect of quick paving, and meanwhile, the reasonability of the distribution density of the temperature control cell coating balls after paving can be ensured, and the fire extinguishing effect is ensured.

Technical Field

The invention relates to a temperature control cell coating inhibition ball and a using method thereof, in particular to a connection type temperature control cell coating inhibition ball for forest and grassland fire prevention and a using method thereof, which are suitable for forest and grassland fire protection.

Background

With the continuous progress and development of society, people pursue advanced technologies and simultaneously increase environmental awareness, so that the protection of forest and grassland fires becomes the key point and the difficulty of work in various countries and regions, for this reason, various protection measures and corresponding technical means are provided by the government in succession, and the purpose is to promote the formation of a fireproof isolation belt, for example, combustible substances are eliminated in advance, and the fire is prevented from further expanding. After a large number of forest fire cases are analyzed by related scholars, the weeds around the forest are often the main causes of forest fire. Due to the fact that the weeds are more and the climate is dry, the weeds have higher inflammability, the phenomenon of fire spread can occur when the weeds meet with open fire, small fire is easily developed into big fire, and large-area forest fire is caused. This is especially true for grassland fires, so people use chemical agents to cut roots of weeds or burn surrounding weeds in a large area to form corresponding fire barriers. On the other hand, build biological fire prevention forest zone, use intelligent equipment and systems such as unmanned aerial vehicle promptly again, confirm the fire prevention area best position and establish the fire prevention median fast. The flame retardant is a functional additive for endowing inflammable polymers with flame retardancy, is widely applied to the aspects of coal mines, buildings, plastic products and the like at present, but is rarely used for fire prevention of forest grassland, and on one hand, the shape and the use mode of the flame retardant material limit the use range, and on the other hand, part of the material or the reaction product thereof possibly cause environmental pollution. In consideration of the convenience of transportation and throwing, the shape of the retardant is a sphere, and in consideration of the gathering property of the terrain on throwing of the retardant, the aramid fiber is selected to play a part of a traction role on the small spheres of the retardant, so that the retardant can better play a flame retardant role.

Disclosure of Invention

The technical problem is as follows: aiming at the defects of the technology, the connection type temperature control cell coat resisting ball for forest and grassland fire prevention and the using method thereof are provided, wherein the connection type temperature control cell coat resisting ball is simple in arrangement, low in production cost, good in using effect and suitable for wide popularization.

The technical scheme is as follows: in order to achieve the technical purpose, the invention relates to a connected temperature control cell coating inhibition ball for forest and grassland fire prevention, which comprises a plurality of temperature control cell coating small balls, wherein the temperature control cell coating small balls comprise spherical shells which can be rapidly melted at high temperature, fire extinguishing cores are added in the shells, and the plurality of temperature control cell coating small balls are connected with one another through connecting wires; the shell which is rapidly melted at high temperature is prepared from 30-36% by mass of polyethylene glycol, 20-24% by mass of paraffin, 10-12% by mass of stearic acid, 12-17% by mass of aluminum hydroxide, 12-17% by mass of 3.5% by mass of zinc borate hydrate and 4-6% by mass of chopped glass fiber powder, and the connecting wire is made of a flame-retardant material.

The fire extinguishing core is prepared by freezing 20% calcium chloride solution.

The connecting line is an aramid fiber line.

A manufacturing method of a connecting type temperature control cell coat inhibition ball for forest and grassland fire prevention comprises the following steps: selecting a plurality of spherical grinding tools for manufacturing the fire extinguishing core material of the temperature control cell-coat globule as required, cutting off aramid fiber wires with proper length as required, putting the aramid fiber wires into the plurality of spherical grinding tools, then injecting 20% calcium chloride solution into the spherical grinding tools, and freezing the aramid fiber wires and the plurality of spherical grinding tools at low temperature so as to freeze and solidify the 20% calcium chloride solution into spherical fire extinguishing cores; and then preparing a temperature control cell coat shell material, putting the temperature control cell coat shell material into a constant temperature water bath kettle at 80 ℃ for heating and melting, wrapping the melted temperature control cell coat shell material outside the frozen and solidified two spherical fire extinguishing cores, and then rapidly cooling to solidify the shell material so as to prepare a group of connected temperature control cell coat inhibition balls for forest and grassland fire prevention.

The fire extinguishing core is arranged on an aramid fiber line at intervals or is woven into an aramid fiber line network by using the aramid fiber line, the spherical fire extinguishing core is manufactured by freezing on the cross node of the aramid fiber line network, and then the temperature control cell-coat blocking net can be formed by wrapping the temperature control cell-coat shell material on the outer layer of all the spherical fire extinguishing core.

A use method of a connected temperature control cell coat inhibition ball for forest and grassland fire prevention comprises the following steps:

the temperature control cell coat inhibition ball is thrown to an area needing fire extinguishing by an aircraft, and the temperature control cell coat inhibition ball comprises two temperature control cell coat small balls connected through a connecting line, so that the moving range is small and the concentration is improved after falling to the ground, and a flame-retardant fireproof belt can be formed in a relatively centralized manner after being thrown from high altitude;

the temperature control cell-coating inhibition balls are more easily blocked by vegetation or stones on the earth surface due to the composition structure of the connecting lines and the two temperature control cell-coating small balls, so that a large number of the temperature control cell-coating inhibition balls are left on the slope surface, the influence of the terrain of the inhibition small balls in the throwing process is reduced, and the coverage rate of the inhibition agent on the high-convexity terrain and half-slope positions is improved.

Laying a fireproof belt on the prepared temperature control cell coating blocking net so as to quickly isolate the development of fire; the skill of paving the temperature control cell coating blocking ball net on the slope from the top of the slope to the slope can achieve the effect of quick paving, and meanwhile, the reasonability of the distribution density of the temperature control cell coating balls after paving can be ensured, and the fire extinguishing effect is ensured.

Has the advantages that: according to the invention, due to the aramid yarn, the rolling area of the small balls is purposefully limited, and the influence of the temperature-controlled coated balls on the use topography is reduced, namely the small balls are concentrated in the low-lying areas of the topography, and the problem of low coverage of the high-convex areas is solved. In addition, the problem that a part of fireproof isolation belts are roads and rolling areas are large in the process of throwing small balls is solved. The raw materials of the temperature control cell coat globule and the aramid fiber yarn are all materials which are easy to purchase and low in price in the market, and are beneficial to batch production and use of the subsequent products; and all materials and thermal products are nontoxic and harmless, and do no harm to production and use personnel and environment.

Drawings

FIG. 1 is a schematic view of a connecting temperature-controlled cell-coating fire-blocking ball for preventing fire in forests and grasslands.

Fig. 2 is a line graph of experimental data of the connection type temperature control cell coat inhibition ball for forest and grassland fire prevention.

Fig. 3 is a line graph of experimental data of the connection type temperature control cell coat inhibition ball for forest and grassland fire prevention.

Detailed Description

The implementation of the present invention is further described with reference to the accompanying drawings:

as shown in fig. 1, the connection type temperature control cell coating inhibition ball for forest and grassland fire prevention comprises a plurality of temperature control cell coating small balls, wherein the temperature control cell coating small balls comprise spherical shells which can be rapidly melted when meeting high temperature, fire extinguishing cores are added in the shells, and the plurality of temperature control cell coating small balls are connected with one another through connecting lines; the shell which is rapidly melted at high temperature is prepared from 30-36% by mass of polyethylene glycol, 20-24% by mass of paraffin, 10-12% by mass of stearic acid, 12-17% by mass of aluminum hydroxide, 12-17% by mass of 3.5% by mass of zinc borate hydrate and 4-6% by mass of chopped glass fiber powder, and the connecting wire is made of a flame-retardant material.

The fire extinguishing core is prepared by freezing 20% calcium chloride solution.

The connecting line is an aramid fiber line.

A manufacturing method of a connecting type temperature control cell coat inhibition ball for forest and grassland fire prevention comprises the following steps: selecting a plurality of spherical grinding tools for manufacturing the fire extinguishing core material of the temperature control cell-coat globule as required, cutting off aramid fiber wires with proper length as required, putting the aramid fiber wires into the plurality of spherical grinding tools, then injecting 20% calcium chloride solution into the spherical grinding tools, and freezing the aramid fiber wires and the plurality of spherical grinding tools at low temperature so as to freeze and solidify the 20% calcium chloride solution into spherical fire extinguishing cores; and then preparing a temperature control cell coat shell material, putting the temperature control cell coat shell material into a constant temperature water bath kettle at 80 ℃ for heating and melting, wrapping the melted temperature control cell coat shell material outside the frozen and solidified two spherical fire extinguishing cores, and then rapidly cooling to solidify the shell material so as to prepare a group of connected temperature control cell coat inhibition balls for forest and grassland fire prevention.

The fire extinguishing core is arranged on an aramid fiber line at intervals or is woven into an aramid fiber line network by using the aramid fiber line, the spherical fire extinguishing core is manufactured by freezing on the cross node of the aramid fiber line network, and then the temperature control cell-coat blocking net can be formed by wrapping the temperature control cell-coat shell material on the outer layer of all the spherical fire extinguishing core.

A use method of a connected temperature control cell coat inhibition ball for forest and grassland fire prevention comprises the following steps:

the temperature control cell coat inhibition ball is thrown to an area needing fire extinguishing by an aircraft, and the temperature control cell coat inhibition ball comprises two temperature control cell coat small balls connected through a connecting line, so that the moving range is small and the concentration is improved after falling to the ground, and a flame-retardant fireproof belt can be formed in a relatively centralized manner after being thrown from high altitude;

the temperature control cell-coating inhibition balls are more easily blocked by vegetation or stones on the earth surface due to the composition structure of the connecting lines and the two temperature control cell-coating small balls, so that a large number of the temperature control cell-coating inhibition balls are left on the slope surface, the influence of the terrain of the inhibition small balls in the throwing process is reduced, and the coverage rate of the inhibition agent on the high-convexity terrain and half-slope positions is improved.

Laying a fireproof belt on the prepared temperature control cell coating blocking net so as to quickly isolate the development of fire; the skill of paving the temperature control cell coating blocking ball net on the slope from the top of the slope to the slope can achieve the effect of quick paving, and meanwhile, the reasonability of the distribution density of the temperature control cell coating balls after paving can be ensured, and the fire extinguishing effect is ensured.

The invention provides a connection type temperature control cell coat flame retardant aiming at the defects of low landing rate, strong divergence, small flame retardant strength, large influence of throwing topography and the like of a flame retardant area caused by rolling of small flame retardant balls in the throwing process. In order to achieve the purpose, the invention is improved on the basis of temperature control cell-coating inhibition pellets researched by the team before, aramid yarns are used for connecting two or more pellets, and the rolling of the pellets is limited to a certain extent by utilizing the traction effect of fine yarns. The phase change material of the inhibitor coating material is polyethylene glycol, paraffin and stearic acid, the reinforcement material is aluminum hydroxide, 3.5-hydrated zinc borate, chlorinated paraffin and glass fiber powder, the corresponding proportion and the properties of the materials are disclosed in another application patent, a toxic and harmful detection report is issued by the health analysis and detection center of Nanjing medical university, and the report number is bg-21NYQT-WT 177. The aramid fiber line (fire-proof line) is made of high-temperature-resistant high-strength and superfine flexible special fibers through a special process, has excellent flame retardant property and outstanding high strength, and is commonly used for sewing high-temperature-resistant fabrics such as fire-fighting clothes, flame-retardant working clothes and the like. The high temperature resistant range of the cable is 200-1000 ℃, the combustion grade is A grade-non-combustible, and the cable has high strength, corrosion resistance, aging resistance, weather resistance and abrasion resistance, and can not be broken due to the tension of two end forces of the cable and the abrasion of the cable in the transportation process. Considering that part of the fireproof isolation belt is a biological fireproof belt, such as a forest protection belt of economic broad-leaved trees such as waxberries and the like or a fireproof isolation belt of economic crops such as potatoes and the like, the throwing area of the flame-retardant pellets can be a boundary range of the isolation belt biased to forests or grasslands, the fire is reduced in one step before the fire reaches the isolation belt, and precious time is won for the adjustment and the arrangement of the subsequent isolation belt.

In addition, the aramid fiber net woven by the aramid fiber yarns is combined with the temperature control cell clothing balls, the temperature control cell clothing balls and the aramid fiber yarns in a chessboard type combination can be used for an area with a large ground gradient, the problem that the balls are gathered in a low-lying area and the high-convex area is low in coverage is solved, and the temperature control cell clothing balls can be used for high-altitude throwing and hanging on branches or trunks to play a certain fire-retardant role.

The first embodiment,

The two balls are in a line: the two temperature control exocytosis globules are connected by aramid fiber wires, and the temperature control exocytosis globules are connected with each other by aramid fiber wires at the ratio of 1: 4, the slope is smooth and the ground is smooth. The specific experimental method is as follows:

1) cutting a glass fiber wire with proper length, wherein the aramid fiber wire has small water absorption and low shrinkage rate, and in order to ensure that the connection is firmer, the two ends of the aramid fiber wire are placed into two spherical molds;

2) preparing 20% calcium chloride solution, dripping into a mold containing aramid fiber thread by using a rubber head dropper, and then putting into a refrigerator or freezing by using liquid nitrogen;

3) weighing the temperature-control cell coat shell material according to the corresponding proportion, putting the temperature-control cell coat shell material into a beaker, and putting the beaker into a constant-temperature water bath kettle at the temperature of 80 ℃ for heating and melting;

4) connecting every two frozen ice balls in the step 2)) with the melted shell material, and curing the shell material.

The throwing experiment result is shown in fig. 2, the rolling distances of unbound pellets exceed 100cm, the nearest distance and the farthest distance are about 140cm, the pellets are distributed in a dispersed manner, the rolling distance of the two pellets in one line is mostly within 50cm, and the nearest distance and the farthest distance are about 75cm, so that the aggregation degree of the pellets is greatly improved, the pellets can more efficiently play a fire retardant role, and the method is suitable for the ground.

Example II,

The two balls are in a line: the two temperature control exocellular globules are connected by aramid fiber wires, and the temperature control exocellular globules are connected with each other at a ratio of (2): 3, the slope is smooth and the ground is smooth. The specific experimental method is as follows:

1) cutting a glass fiber wire with proper length, wherein the aramid fiber wire has small water absorption and low shrinkage rate, and in order to ensure that the connection is firmer, the two ends of the aramid fiber wire are placed into two spherical molds;

2) preparing 20% calcium chloride solution, dripping into a mold containing aramid fiber thread by using a rubber head dropper, and then putting into a refrigerator or freezing by using liquid nitrogen;

3) weighing the temperature-control cell coat shell material according to the corresponding proportion, putting the temperature-control cell coat shell material into a beaker, and putting the beaker into a constant-temperature water bath kettle at the temperature of 80 ℃ for heating and melting;

4) connecting every two frozen ice balls in the step 2)) with the melted shell material, and curing the shell material.

The throwing experiment result is shown in figure 3, the rolling distances of unbound pellets exceed 250cm, the distribution is extremely dispersed and is not shown in the figure, the rolling distance of the two pellets in one line is within 80cm, the nearest distance and the farthest distance are about 110cm, compared with the single-pellet throwing result at the same angle, the aggregation degree of the pellets is improved, the fire retardant effect is more efficient, and the method is suitable for the ground.

Example III,

The two balls are in a line: the two temperature control cell coating globules are connected by aramid fiber lines, and the throwing experiment is carried out on the grasslands with complex outdoor topography. The specific experimental method is as follows:

1) cutting a glass fiber wire with proper length, wherein the aramid fiber wire has small water absorption and low shrinkage rate, and in order to ensure that the connection is firmer, the two ends of the aramid fiber wire are placed into two spherical molds;

2) preparing 20% calcium chloride solution, dripping into a mold containing aramid fiber thread by using a rubber head dropper, and then putting into a refrigerator or freezing by using liquid nitrogen;

3) weighing the temperature-control cell coat shell material according to the corresponding proportion, putting the temperature-control cell coat shell material into a beaker, and putting the beaker into a constant-temperature water bath kettle at the temperature of 80 ℃ for heating and melting;

4) connecting every two frozen ice balls in the step 2)) with the melted shell material, and curing the shell material.

The experimental pellets were thrown 30cm above the top of the slope, 10 groups of pellets were thrown at a time, and the test results after 5 throws are as follows:

	single ball	One line of two balls
			High convex position	10％	24％
Position of the half slope	38％	46％
			Toe position	52％	30％

The experimental results show that the two-ball one-line connected cell coating globule reduces the influence of the inhibition globule on the terrain in the throwing process, improves the coverage rate of the inhibition agent on the high-convexity and semi-slope positions of the terrain, and has certain feasibility.