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WO2014048272A1 - 一种金属含氧酸盐类灭火组合物 - Google Patents

一种金属含氧酸盐类灭火组合物 Download PDF

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Publication number
WO2014048272A1
WO2014048272A1 PCT/CN2013/083814 CN2013083814W WO2014048272A1 WO 2014048272 A1 WO2014048272 A1 WO 2014048272A1 CN 2013083814 W CN2013083814 W CN 2013083814W WO 2014048272 A1 WO2014048272 A1 WO 2014048272A1
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Prior art keywords
fire
fire extinguishing
metal
extinguishing
acid salt
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PCT/CN2013/083814
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English (en)
French (fr)
Inventor
姬涛
魏涛
田巍
刘生昕
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西安坚瑞安全应急设备有限责任公司
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Application filed by 西安坚瑞安全应急设备有限责任公司 filed Critical 西安坚瑞安全应急设备有限责任公司
Priority to US14/431,306 priority Critical patent/US9662523B2/en
Priority to MX2015003907A priority patent/MX371314B/es
Priority to EP13842486.6A priority patent/EP2902077B1/en
Publication of WO2014048272A1 publication Critical patent/WO2014048272A1/zh

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    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62DCHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D1/00Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
    • A62D1/06Fire-extinguishing compositions; Use of chemical substances in extinguishing fires containing gas-producing, chemically-reactive components

Definitions

  • the invention belongs to the technical field of aerosol fire extinguishing, and in particular relates to a metal oxyacid salt fire extinguishing composition. Background technique
  • Aerosol fire extinguishing agent is a new fire extinguishing agent with extremely high fire extinguishing efficiency, zero ozone depletion value ODN, non-toxic and harmless, no residue, low price and low equipment investment. Under the urgent background of halon elimination, it has obtained the government. The strong support also caters to the needs of the market. Therefore, aerosol fire extinguishing technology has become one of the most attractive halon replacement technologies in the past decade.
  • the aerosol fire extinguishing agent is composed of an oxidizing agent, a reducing agent, a burning speed controlling agent and a binder, and is mainly classified into two types, S type and K type.
  • the main fire extinguishing mechanism is: 1. Endothermic cooling; 2. Chemical inhibition; 3. Asphyxiation; 4. Isolation, mainly chemical suppression;
  • the fire extinguishing agent is in fire extinguishing efficiency, storage condition, engineering cost, maintenance management, toxicity , secondary injury, environmental protection, fire extinguishing concentration and other aspects have obvious advantages.
  • its redox reaction releases a large amount of gas and active particles while releasing a large amount of heat, which brings disadvantages to its use.
  • the present invention provides a metal oxyacid salt fire extinguishing composition which has high fire extinguishing efficiency, good safety performance and high utilization rate.
  • a metal oxyacid salt fire extinguishing composition characterized in that: the fire extinguishing composition contains a metal oxyacid salt compound and a flame retardant fire extinguishing component, and the proportions are respectively:
  • the fire extinguishing composition is a pyrotechnic agent as a heat source and a power source.
  • the pyrotechnic agent By igniting the pyrotechnic agent, the pyrotechnics are burned at a high temperature to cause a heat decomposition reaction, and a large amount of fire extinguishing substance is ejected along with the pyrotechnic agent, thereby To achieve the purpose of fire fighting.
  • the fire extinguishing composition further contains an additive, which is from more than 0% by mass to less than or equal to 10% by mass, and the additive amount of the performance additive is preferably from 1% to 6%, further preferably from 1.5% to 3%. %.
  • the additive is one of polyvinyl alcohol, hydroxypropyl methylcellulose, acetal gelatin, shellac, starch, dextrin, epoxy resin, graphite powder, talc, stearate or A plurality of, preferably one or more of hydroxypropylmethylcellulose, magnesium stearate, and talc.
  • the metal oxyacid salt compound in the fire extinguishing composition has a mass percentage of 60% to 95%.
  • the metal oxyacid salt of the present invention refers to a class of compounds containing a metal element in the oxyacid group. Further, the metal oxyacid salt compound is tungstate, metatungstate, phosphotungstate, manganate, manganite, molybdate, phosphomolybdate, cobaltate, chromium One or more of an acid salt, a stannate, a metaaluminate, a cuprate, a citrate, a titanate, a zirconate, or a ferrite.
  • the metal oxyacid salt compound is potassium metalate, sodium metalate, copper metalate, calcium metalate, manganese metal acid, aluminum metalate, zinc metalate, magnesium metalate, nickel metalate, metal One or more of acid iron, ammonium metal acidate, lithium metalate, and metal acid strontium.
  • the flame retardant component is one or more of an inorganic flame retardant, a halogen flame retardant, a phosphorus flame retardant or a nitrogen flame retardant; % ⁇ 35%.
  • the components and contents of the fire extinguishing composition are preferably:
  • each component and content of the fire extinguishing composition is preferably:
  • Metal oxyacid salt compound 80% ⁇ 90%
  • the fire extinguishing composition of the present invention can be formed into a spherical shape, a sheet shape, a strip shape, a block or a honeycomb shape by a process such as pelleting, molding, extrusion, etc., and can be subjected to surface coating treatment.
  • a process such as pelleting, molding, extrusion, etc.
  • it is preferred to add hydroxypropylmethylcellulose.
  • the surface coating agent can improve the surface smoothness of the composition system, and improve the strength, wear resistance and shock resistance, and prevent the powdering and extinguishing of the fire extinguishing composition during transportation.
  • the appearance of a fire extinguishing device phenomenon In order to facilitate the molding process, graphite, talc, stearate, etc. may be appropriately added.
  • the fire extinguishing composition of the present invention uses a pyrotechnic agent as a heat source and a power source, and by igniting the pyrotechnic agent, the pyrotechnic composition is heated and decomposed by the high temperature of the pyrotechnic composition to generate a large amount of fire extinguishing substance. With the pyrotechnic agent, it is ejected from the spout of the fire extinguishing device to achieve the purpose of extinguishing the fire.
  • the metal oxyacid salt fire extinguishing composition of the invention can rapidly undergo endothermic decomposition under high temperature and heat, and the heat absorption can effectively reduce the heat released by the pyrotechnics combustion, thereby greatly reducing the sprinkler and discharge of the fire extinguisher.
  • the temperature of the material eliminates the complicated cooling system of the fire extinguishing device and eliminates the risk of secondary fires. Moreover, it releases a large amount of effective fire-extinguishing substances at the moment of heat.
  • the fire-extinguishing substances are mainly liquid or solid particles. The synergistic effect of the particles greatly shortens the fire extinguishing time;
  • the metal oxyacid salt fire extinguishing composition of the invention may also add a flame retardant, which improves the fire extinguishing performance of the fire extinguishing agent while reducing the possibility of re-ignition of the fire source by the flame retarding effect of the decomposition product. ;
  • the metal oxyacid salt fire extinguishing composition of the present invention is easy to process and can be used alone in combination with a physical coolant;
  • the metal oxyacid salt fire extinguishing composition of the present invention has stable performance, is easy to store for a long period of time and is non-toxic, and is excellent in environmentally friendly performance. detailed description
  • the above-mentioned fire extinguishing composition is loaded into a K-type hot aerosol fire extinguishing device, and the commercially available S-type aerosol fire extinguishing agent or K-type aerosol fire extinguishing agent is loaded into the same fire extinguishing device, as follows:
  • test record Table 1 50 grams of the prepared lithium hexafluorostannate, magnesium tungstate, melamine composition sample was added to a fire extinguishing device equipped with 50 g of K-type hot aerosol generating agent, and a 93# gasoline fire extinguishing test with an area of 0.25 m 2 oil pan was carried out.
  • Test Record Table 1 50 grams of the prepared sodium phosphomolybdate, sodium citrate, ammonium dihydrogen phosphate, melamine composition sample was added to a fire extinguishing device equipped with 50 g of a K-type hot aerosol generating agent, and 93 of an oil disk having an area of 0.25 m 2 was applied .
  • # gasoline fire extinguishing test the experimental results are shown in test record table 1.
  • test record table 1 50 grams of the prepared ammonium metatungstate, dihydro ammonium dihydrogen phosphate, potassium chloride composition sample was added to a fire extinguishing device equipped with 50 g of K-type hot aerosol generating agent, and 93# of an oil disk with an area of 0.25 m 2 was implemented. Gasoline fire extinguishing test; the experimental results are shown in test record table 1.
  • test record table 1 50 grams of the prepared sodium citrate and ammonium metatungstate composition samples were added to a fire extinguishing device equipped with 50 grams of K-type hot aerosol generating agent, and a 93# gasoline fire extinguishing test with an area of 0.25 m 2 oil pan was carried out; See test record table 1.
  • a fire extinguishing device sample containing only 50g of S hot aerosol fire extinguishing agent will be used to carry out the 93# gasoline fire extinguishing test with an area of 0.25m 2 oil pan; the test test results are shown in Table 1.
  • the metal oxyacid salt fire extinguishing composition of the present invention is taken in an amount of 50 g, and is prepared according to a conventional preparation process, and then added to a fire extinguishing device equipped with a 50 g type K aerosol generating agent, and subjected to an 8B fire extinguishing test.
  • a fire extinguishing device equipped with a 50 g type K aerosol generating agent
  • the comparative example is also equipped with 50g of common S-type aerosol fire extinguishing agent, K-type aerosol fire extinguishing agent and coolant.
  • a sample of the fire extinguishing device is subjected to a fire extinguishing test under the same conditions. The specific results are shown in Table 1. Table 1 Comparison of components and comparison of experimental results
  • the S K type fire extinguishing agents used in Comparative Examples 1-3 in the above table are all commercially available fire extinguishing agents. It can be concluded from Table 1 that the metal oxyacid salt compound fire extinguishing compositions of Examples 1-6 of the present invention can be extinguished in the oil pan fire test, and it can be seen that the fire extinguishing efficiency is far superior to the comparative example 1 In the case of -3, and there is no open flame in the spout.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing Compositions (AREA)

Abstract

本发明公布了一种金属含氧酸盐类灭火组合物,所述的灭火组合物含有金属含氧酸盐类化合物和阻燃灭火组分,所占的比例分别为:金属含氧酸盐类化合物30%〜95%,阻燃灭火组分5%〜70%。本发明的灭火组合物是以烟火药剂为热力源和动力源,通过点燃烟火药剂,利用烟火药剂燃烧的高温使该灭火组合物受热发生分解反应,产生出大量的可灭火的物质,该灭火物质随烟火药剂一起从灭火装置的喷口喷出,从而达到灭火的目的。本发明灭火组合物组分构成简单、性能稳定、易于长期贮存且无毒性,对环境友好性能优良。

Description

说 明 书 一种金属含氧酸盐类灭火组合物
技术领域
本发明属于气溶胶灭火技术领域, 特别是涉及一种金属含氧酸盐类灭火组 合物。 背景技术
1985年 -1987年间世界主要国家就保护臭氧层、淘汰耗损臭氧层物质,先后 签署了著名的 《维也纳公约》和 《蒙特利尔议定书》。 在此背景下, 欧美发达国 家已经禁用对臭氧层有破坏作用的哈龙灭火剂, 其它国家也将其归为淘汰物质。 我国已在 1992年制订了 《中国消耗臭氧层物质逐步淘汰的国家方案》, 我国消 防行业已经于 2005年 12月 31日完成哈龙 1211的淘汰任务, 从 2006年 1月 1 日起全部停止哈龙 1301的生产, 至 2010年底全部停止哈龙使用。 因此, 寻求 不破坏大气臭氧层、 灭火效率高、 无毒无害的哈龙灭火剂替代品及替代技术, 已成为各国近年来研究的热点之一。 现在正广泛开展研制的哈龙替代产品主要 有三类: 卤代垸烃类、 惰性气体类和气溶胶类灭火剂。 气溶胶灭火剂是一种灭 火效率极高, 臭氧耗损值 ODP为零, 无毒无害, 无残留, 价格低、 设备投资少 的新型灭火剂, 在哈龙淘汰的紧迫背景下, 既得到了政府的大力支持, 也迎合 了市场的需求, 因此气溶胶灭火技术成为近十几年来非常弓 I人注目的哈龙替代 技术之一。
气溶胶灭火剂由氧化剂、 还原剂、 燃烧速度控制剂和黏合剂组成, 其主要 分为 S型和 K型两类。 其灭火机理主要是: 1、 吸热降温; 2、 化学抑制; 3、 窒 息; 4、 隔离, 以化学抑制为主; 虽然气溶胶灭火剂在灭火效率、 贮存状况、 工 程造价、 维护管理、 毒性、 二次伤害、 环保、 灭火浓度等方面具有明显优势。 但是其氧化还原反应释放出大量气体、 活性粒子的同时释放出大量的热给它的 使用带来了劣势。 为有效降低装置和气溶胶的温度, 避免发生二次火灾, 需要 给灭火装置增加冷却系统。 纯粹的物理冷却会导致装置结构复杂笨重, 工艺流 程复杂, 成本高, 且由于冷却系统的存在, 使大量活性粒子失去活性, 导致灭 火性能大大降低。 另外, 现有的气溶胶灭火类产品受冷却性能影响, 其喷口温 度往往过高, 容易对操作人员造成伤害。 发明内容
为了解决现有技术中的灭火药剂存在的固有缺陷, 本发明提供了一种灭火 能效高、 安全性能好的且利用率较高的金属含氧酸盐类灭火组合物。
本发明解决技术问题的技术方案是: 一种金属含氧酸盐类灭火组合物, 其特征在于: 所述的灭火组合物含有金 属含氧酸盐类化合物和阻燃灭火组分, 所占的比例分别为:
金属含氧酸盐类化合物 30%〜95%
阻燃灭火组分 5%〜709¾
所述灭火组合物是以烟火药剂为热力源和动力源, 通过点燃烟火药剂, 利 用烟火药剂燃烧的高温使其受热发生分解反应, 产生出大量的可灭火的物质随 烟火药剂一起喷出, 从而达到灭火的目的。
进一步地, 所述灭火组合物还含有添加剂, 按质量百分含量计为大于 0%至 小于等于 10%, 所述性能添加剂的添加量优选为 1%~6%, 进一步优选为 1.5 %~3 %。
进一步地, 所述添加剂为聚乙烯醇、 羟丙基甲基纤维素、 缩醛胶、 虫胶、 淀粉、 糊精、 环氧树脂、 石墨粉、 滑石粉、 硬脂酸盐中的一种或多种, 优选为: 羟丙基甲基纤维素、 硬脂酸镁、 滑石粉中的一种或多种。
进一步地, 所述灭火组合物中金属含氧酸盐类化合物的质量百分含量为 60%〜95%。
本发明所述的金属含氧酸盐是指含氧酸根中含有金属元素的一类化合物。 进一步地, 所述金属含氧酸盐类化合物为钨酸盐, 偏钨酸盐, 磷钨酸盐, 锰酸盐, 亚锰酸盐, 钼酸盐, 磷钼酸盐, 钴酸盐, 铬酸盐, 锡酸盐, 偏铝酸盐, 铜酸盐, 锑酸盐, 钛酸盐, 锆酸盐, 铁酸盐的一种或多种。
进一步地, 所述金属含氧酸盐类化合物为金属酸钾、 金属酸钠、 金属酸铜、 金属酸钙、 金属酸锰、 金属酸铝、 金属酸锌、 金属酸镁、 金属酸镍、 金属酸铁、 金属酸铵、 金属酸锂、 金属酸锶的一种或多种。
进一步地, 所述的阻燃组分是无机阻燃剂、 卤系阻燃剂、 磷系阻燃剂或氮 系阻燃剂中的一种或多种; 其按质量百分含量计为 5%〜35%。
进一歩地, 所述灭火组合物的各组分及含量优选为:
金属含氧酸盐类化合物 70%〜90%
阻燃灭火组分 5%〜25%
添加剂 1%〜6%
进一步地, 所述灭火组合物的各组分及含量优选为:
金属含氧酸盐类化合物 80%〜90%
阻燃灭火组分 5%〜15%
添加剂 1%〜5%
本发明灭火组合物可采用制丸、 模压、 挤压等工艺成型为球状、 片状、 条 状、 块装或蜂窝状, 并且可经过表面包覆处理。 进行表面包覆处理时, 优选加 入羟丙基甲基纤维素。 该表面包覆剂可以改善组合物体系的表面光洁度, 并提 高其强度、 耐磨性和抗震性, 防止运输过程中灭火组合物发生粉化, 掉渣并溢 出灭火装置现象的出现。 为便于成型加工还可适当添加石墨、 滑石粉、 硬脂酸 盐等
本发明的灭火组合物是以烟火药剂为热力源和动力源, 通过点燃烟火药剂, 利用烟火药剂燃烧的高温使该灭火组合物受热发生分解反应, 产生出大量的可 灭火的物质, 该灭火物质随烟火药剂一起从灭火装置的喷口喷出, 从而达到灭 火的目的。
相对于现有技术, 本发明的优点在于:
1 ) 本发明的金属含氧酸盐类灭火组合物在高温受热情况下, 即可迅速发生 吸热分解, 其吸热能够有效快速降低烟火药剂燃烧释放的热量, 大大降低了灭 火器喷口及喷放物质的温度, 免去了灭火装置复杂的冷却系统, 也消除了出现 二次火灾的危险性; 而且其在受热瞬间释放出大量有效灭火物质, 灭火物质以 液态或固态微粒为主, 通过多种微粒的协同作用, 大大缩短了灭火时间;
2) 本发明的金属含氧酸盐灭火组合物还可以添加阻燃剂, 其通过分解产物 的阻燃作用, 在降低火源复燃可能性的同时, 也进一歩提升了灭火剂的灭火效 能;
3 ) 本发明的金属含氧酸盐类灭火组合物易于加工成型, 且可单独使用与物 理冷却剂配套使用;
4) 本发明的金属含氧酸盐灭火组合物性能稳定、 易于长期贮存且无毒性, 对环境友好性能优良。 具体实施方式
现结合具体的实施例对本发明的灭火组合物进行进一步描述:
采用上述的灭火组合物装入 K型热气溶胶灭火装置, 同时将市场上销售的 S型气溶胶灭火剂或 K型气溶胶灭火剂装入同样的灭火装置, 具体如下:
实施例 1
将制成的钨酸镁、 磷酸二氢铵、 氯化钾组合物样品 50克加入装有 50克 K 型热气溶胶发生剂的灭火装置中,实施面积为 0.25m2油盘的 93#汽油灭火试验; 实验结果见试验记录表 1。
实施例 2
将制成的钼酸铵、 铬酸锶、 三聚氰胺组合物样品 50克加入装有 50克 K型 热气溶胶发生剂的灭火装置中, 实施面积为 0.25m2油盘的 93#汽油灭火试验; 实验结果见试验记录表 1。
实施例 3
将制成的六氟锡酸锂、钨酸镁、三聚氰胺组合物样品 50克加入装有 50克 K 型热气溶胶发生剂的灭火装置中,实施面积为 0.25m2油盘的 93#汽油灭火试验; 实验结果见试验记录表 1。 将制成的磷钼酸钠、 锑酸钠、 磷酸二氢铵、 三聚氰胺组合物样品 50克加入 装有 50克 K型热气溶胶发生剂的灭火装置中, 实施面积为 0.25m2油盘的 93# 汽油灭火试验; 实验结果见试验记录表 1。
实施例 5
将制成的偏钨酸铵、憐酸二氢铵、氯化钾组合物样品 50克加入装有 50克 K 型热气溶胶发生剂的灭火装置中,实施面积为 0.25m2油盘的 93#汽油灭火试验; 实验结果见试验记录表 1。
实施例 6
将制成的铬酸锶、 磷酸二氢铵、 氯化钾组合物样品 50克加入装有 50克 K 型热气溶胶发生剂的灭火装置中,实施面积为 0.25m2油盘的 93#汽油灭火试验; 实验结果见试验记录表 1。
实施例 7
将制成的锑酸钠、 偏钨酸铵组合物样品 50克加入装有 50克 K型热气溶胶 发生剂的灭火装置中, 实施面积为 0.25m2 油盘的 93#汽油灭火试验; 实验结果 见试验记录表 1。
对比例 1
将只装有 50gK 型热气溶胶灭火剂的灭火装置样品, 实施面积为 0.25m2 油盘的 93#汽油灭火试验; 试验测试结果见表 1。
对比例 2
将只装有 50gS 型热气溶胶灭火剂的灭火装置样品, 实施面积为 0.25m2油 盘的 93#汽油灭火试验; 试验测试结果见表 1。
对比例 3
将装有磷酸二氢铵, 氯化钾组合物样品 50克加入 50克 K型热气溶胶发生 剂的灭火装置中, 实施面积为 0.25m2油盘的 93#汽油灭火试验; 实验结果见试 验记录表 1。
将本发明所涉及的金属含氧酸盐类灭火组合物量取 50g,按照常规制备工艺 制备成型后, 分别将其加入装有 50gK型气溶胶发生剂的灭火装置中, 进行 8B 灭火试验, 具体试验模型参见 GA86-2009 中 6.3.2.1的规定进行灭火试验, 每组 三发, 试验交叉进行; 对比例中也是分别装有 50g常见的 S型气溶胶灭火剂、 K 型气溶胶灭火剂及冷却剂的灭火装置的样品, 在相同的条件下进行灭火试验。 具体结果见表 1。 表 1 各组分成分比较及实验结果对比
Figure imgf000006_0001
上述表中对比例 1-3所使用的 S K 型灭火剂均为市售灭火剂。 通过表 1 可以得出, 本发明的实施例 1-6 的金属含氧酸盐类化合物的灭火组合物在油盘 火实验中均可灭火,可见其在灭火效率上远远优于对比例 1-3 的情况, 并且喷 口均无明火出现。
上述具体实施例仅仅是示例性的, 在本发明的上述教导下, 本领域技术人 员可以在上述实施例的基础上进行各种改进和变形, 而这些改进或者变形落在 本发明的保护范围内。 本领域技术人员应该明白, 上面的具体描述只是为了解 释本发明的目的, 并非用于限制发明。

Claims

权 利 要 求 书
1、 一种金属含氧酸盐类灭火组合物, 其特征在于: 所述的灭火组合物含有 金属含氧酸盐类化合物和阻燃灭火组分, 所占的比例分别为:
金属含氧酸盐类化合物 30%〜95%
阻燃灭火组分 5%〜70%
所述灭火组合物是以烟火药剂为热力源和动力源, 通过点燃烟火药剂, 利 用烟火药剂燃烧的高温使其受热发生分解反应, 产生出大量的可灭火的物质随 烟火药剂一起喷出, 从而达到灭火的目的。
2、 根据权利要求 1所述的金属含氧酸盐类灭火组合物, 其特征在于: 所述 灭火组合物还含有添加剂, 按质量百分含量计为大于 0%至小于等于 10%。
3、 根据权利要求 2所述的金属含氧酸盐类灭火组合物, 其特征在于: 所述 添加剂为聚乙烯醇、 羟丙基甲基纤维素、 缩醛胶、 虫胶、 淀粉、 糊精、 环氧树 脂、 石墨粉、 滑石粉、 硬脂酸盐中的一种或多种。
4、 根据权利要求 1-3中任一项所述的金属含氧酸盐类灭火组合物, 其特征 在于: 所述灭火组合物中金属含氧酸盐类化合物的质量百分含量为 60%〜95%。
5、 根据权利要求 4所述的金属含氧酸盐酸盐类灭火组合物, 其特征在于: 所述金属含氧酸盐类化合物为钨酸盐, 偏钨酸盐, 磷钨酸盐, 锰酸盐, 亚锰酸 盐, 钼酸盐, 磷钼酸盐, 钴酸盐, 络酸盐, 锡酸盐, 偏铝酸盐, 铜酸盐, 锑酸 盐, 钛酸盐, 锆酸盐, 铁酸盐的一种或多种。
6、 根据权利要求 4所述的金属含氧酸盐类灭火组合物, 其特征在于: 所述 金属含氧酸盐类化合物为金属酸钾、 金属酸钠、 金属酸铜、 金属酸钙、 金属酸 锰、 金属酸铝、 金属酸锌、 金属酸镁、 金属酸镍、 金属酸铁、 金属酸铵、 金属 酸锂、 金属酸锶的一种或多种。
7、 根据权利要求 1-6中任一项所述的金属含氧酸盐类灭火组合物, 其特征 在于: 所述的阻燃组分是无机阻燃剂、 卤系阻燃剂、 磷系阻燃剂或氮系阻燃剂 中的一种或多种; 其按质量百分含量计为 5%〜35%。
8、 根据权利要求 7所述的金属含氧酸盐类灭火组合物, 其特征在于: 所述 灭火组合物的各组分及含量为:
金属含氧酸盐类化合物 70%〜90%
阻燃灭火组分 5%〜25% 添加剂 1%〜6%
9、 根据权利要求 8所述的金属含氧酸盐类灭火组合物, 其特征在于: 所述 火组合物的各组分及含量为:
金属含氧酸盐类化合物 80%〜90%
阻燃灭火组分 5%〜15%
添加剂 1%〜6%
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