WO2007085144A1 - Générateur de gaz - Google Patents

Générateur de gaz Download PDF

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Publication number
WO2007085144A1
WO2007085144A1 PCT/CN2006/001292 CN2006001292W WO2007085144A1 WO 2007085144 A1 WO2007085144 A1 WO 2007085144A1 CN 2006001292 W CN2006001292 W CN 2006001292W WO 2007085144 A1 WO2007085144 A1 WO 2007085144A1
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WO
WIPO (PCT)
Prior art keywords
reaction
gas
reaction chamber
catalyst body
air guiding
Prior art date
Application number
PCT/CN2006/001292
Other languages
English (en)
French (fr)
Inventor
Zhongde Zheng
Jinliang Wang
Original Assignee
Golden Energy Fuel Cell Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CNU2006200019757U external-priority patent/CN2863238Y/zh
Priority claimed from CN 200620007750 external-priority patent/CN2889476Y/zh
Application filed by Golden Energy Fuel Cell Co., Ltd. filed Critical Golden Energy Fuel Cell Co., Ltd.
Priority to CN2006800442176A priority Critical patent/CN101316649B/zh
Publication of WO2007085144A1 publication Critical patent/WO2007085144A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J7/00—Apparatus for generating gases
    • B01J7/02—Apparatus for generating gases by wet methods
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/18—Details relating to the spatial orientation of the reactor
    • B01J2219/185—Details relating to the spatial orientation of the reactor vertical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/19—Details relating to the geometry of the reactor
    • B01J2219/192—Details relating to the geometry of the reactor polygonal
    • B01J2219/1921—Details relating to the geometry of the reactor polygonal triangular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/19—Details relating to the geometry of the reactor
    • B01J2219/192—Details relating to the geometry of the reactor polygonal
    • B01J2219/1923—Details relating to the geometry of the reactor polygonal square or square-derived
    • B01J2219/1926—Details relating to the geometry of the reactor polygonal square or square-derived pyramidal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

Definitions

  • the present invention relates to a gas generator, and more particularly to a generator for generating a gas by contact between a reaction liquid and a catalyst body.
  • BACKGROUND OF THE INVENTION It is well known that a reaction gas and a catalyst body generate a gas by contact.
  • a gas generator is used, which realizes automatic gas pressure control by a balance between the gravity of the reaction liquid and the pressure of the generated gas, but the structure is complicated and safe. Poor sex, use is not convenient to carry.
  • the object of the present invention is to overcome the above drawbacks and to provide a gas generator, which has a simple structure, convenient use, automatic pressure control, and safety and reliability.
  • a gas generator comprising a reaction chamber, wherein: the reaction chamber has a reaction liquid and a catalyst body, the catalyst body faces the reaction liquid, and at least one of the reaction chamber and the catalyst body is a flexible body, and the reaction liquid contacts the catalyst body.
  • the reaction gas is generated, and the pressure of the reaction gas deforms the flexible body, thereby realizing automatic control of the reaction gas pressure: when the pressure of the reaction gas is small, the deformation of the flexible body causes the contact area of the reaction liquid and the catalyst body to increase, thereby accelerating the reaction gas generation;
  • the deformation of the flexible body causes the contact area of the reaction liquid with the catalyst body to decrease or even separate, thereby slowing down or even stopping the generation of the reaction gas.
  • the flexible body is an elastomer.
  • the reaction chamber is an elastic bag, and the reaction chamber is installed in the casing.
  • the outer surface of the reaction chamber communicates with the atmosphere through a vent hole on the casing.
  • the top cover of the casing has an air guiding tube, and the lower portion of the air guiding tube extends into the reaction chamber.
  • the catalyst body is fixed at the lower end of the air guiding tube, and the air guiding tube communicates with the reaction chamber through the air guiding hole, the upper part of the air guiding tube is connected with the air supply pipe, the connection portion is equipped with a gas-liquid separating device, and the gas supply pipe is provided with a gas supply valve and safety valve.
  • the catalyst body is composed of an elastic bag and a catalyst fixed on the outer surface thereof, and an inner surface of the elastic bag communicates with the atmosphere through a vent pipe, and the reaction chamber has a top cover and a top cover
  • There is an air guiding tube the lower part of the air guiding tube extends into the reaction chamber, the catalyst body is fixed at the lower end of the air guiding tube, the air guiding tube communicates with the reaction chamber through the air guiding hole, the air guiding tube and the vent tube are not connected, and the upper part of the air guiding tube is connected with the air supply tube
  • the connection is equipped with a gas-liquid separation device, and the gas supply pipe is provided with an air supply valve and a safety valve.
  • the reaction chamber has a bottom surface formed by an elastic membrane, and the elastic membrane is disposed between the side wall of the reaction chamber and the bottom cover, and the outer surface of the elastic membrane communicates with the atmosphere through a vent hole on the bottom cover, and the catalyst body is porous a catalyst body, the catalyst body is installed between the side wall of the reaction chamber and the top cover, a gas-liquid separation device is arranged between the top cover and the catalyst body, a gas supply pipe is arranged on the top cover, and a gas supply valve is arranged on the gas supply pipe, and the reaction chamber side wall A safety valve is mounted on it.
  • the reaction chamber is provided with a porous flexible absorbing liquid.
  • the inner cavity of the elastic bag is filled with an elastic body.
  • the invention mainly has the following positive beneficial effects: the gas generator has a simple structure, and the reaction chamber or/and the catalyst body are deformed by the pressure of the reaction gas, thereby causing the reaction liquid to contact or separate from the catalyst body, thereby realizing automatic control of the reaction gas pressure. It is safe and reliable, easy to use; the reaction chamber can be equipped with a porous flexible suction liquid capable of absorbing the reaction liquid, and the reaction liquid is released when being squeezed, so that the gas generator can be placed in any direction and is convenient to carry.
  • Fig. 1 is a schematic view showing the structure of a first embodiment of the present invention.
  • FIG. 2 is a schematic structural view of a second embodiment of the present invention.
  • FIG 3 is a schematic structural view of a third embodiment of the present invention.
  • Embodiment 4 is a schematic structural view of Embodiment 4 of the present invention.
  • Figure 5 is a schematic structural view of Embodiment 5 of the present invention.
  • Fig. 6 is a schematic structural view of a sixth embodiment of the present invention.
  • Embodiment of the present invention Embodiment 1
  • the present invention is a gas generator comprising a reaction chamber 1 in which a reaction liquid 101 and a catalyst body 2 are disposed, a catalyst body 2 is directed toward a reaction liquid 101, and a reaction chamber 1 is an elastomer, which is a
  • the elastic bag the elastic bag can be made of silicone rubber, fluororubber or polyurethane
  • the reaction chamber 1 is installed in the casing 3
  • the outer surface of the reaction chamber 1 is connected to the atmosphere through the vent hole 301 in the casing 3, the casing 3
  • On the top cover 4 The air guiding tube 401, the lower portion of the air guiding tube 401 extends into the reaction chamber 1, the catalyst body 2 is fixed to the lower end of the air guiding tube 401, and the air guiding tube 401 communicates with the reaction chamber 1 through the air guiding hole 402, and the upper portion of the air guiding tube 401 and the air supply tube 5
  • the connection is provided with a gas-liquid separation device 6 at the junction, which may be composed of microporous poly
  • reaction chamber 1 When the reaction gas pressure is small, the reaction chamber 1 is contracted by the atmospheric pressure to cause an increase in the contact area of the reaction liquid 101 with the catalyst body 2, thereby accelerating the generation of the reaction gas.
  • the catalyst body 2 may be a solid porous catalyst body such as a porous rhodium catalyst body.
  • the reaction liquid 101 may be an aqueous sodium borohydride solution.
  • the reaction gas generated by the reaction of the reaction liquid 101 with the catalyst body 2 is hydrogen gas.
  • the reaction gas enters the air guiding tube 401 via the air guiding holes 402 and the pores of the catalyst body 2, and is supplied to the air supply means 501 through the gas-liquid separating means 6.
  • the gas generator has the advantages of simple structure, convenient use, automatic pressure control, safety and reliability.
  • the reaction chamber 1 is provided with a porous flexible liquid absorbing liquid 102 capable of absorbing the reaction liquid 101, such as sponge, and the reaction liquid 101 is released when squeezed.
  • the gas generator can be placed in any direction, easy to use, automatic pressure control, safe and reliable. The working principle is the same as that of the first embodiment and will not be repeated.
  • the present invention is a gas generator comprising a reaction chamber 1 in which a reaction liquid 101 and a catalyst body 2 are disposed, a catalyst body 2 is directed toward a reaction liquid 101, and a catalyst body 2 is an elastomer, which is elastic
  • the pouch 201 is constituted by a catalyst 202 fixed to the outside thereof, and the inner surface of the elastic pouch 201 communicates with the atmosphere through the vent pipe 7.
  • the reaction chamber 1 has a top cover 4, and the top cover 4 has an air guiding tube 401.
  • the lower part of the air guiding tube 401 extends into the reaction chamber 1.
  • the catalyst body 2 is fixed to the lower end of the air guiding tube 401 to conduct air.
  • the tube 401 is in communication with the reaction chamber 1 through the air guiding hole 402.
  • the upper portion of the air guiding tube 401 is connected to the air supply tube 5, and the connection portion is provided with a gas-liquid separating device 6, which may be composed of microporous polytetrafluoroethylene, and its function is to react The gas and the reaction liquid are separated.
  • the air supply pipe 5 is provided with an air supply valve 501 and a safety valve 8.
  • the safety valve 8 can adopt a one-way pressure relief valve, which functions to prevent excessive pressure in the gas generator and automatically relieve pressure when the pressure exceeds the defined pressure.
  • the elastic bag 201 When the pressure of the reaction gas is small, the elastic bag 201 is expanded by the atmospheric pressure to cause an increase in the contact area of the reaction liquid 101 with the catalyst 202, thereby accelerating the generation of the reaction gas.
  • the shrinkage of the elastic bag 201 against the atmospheric pressure causes the contact area of the reaction liquid 101 and the catalyst 202 to decrease or even separate, thereby slowing down or even stopping the generation of the reaction gas.
  • the elastic pouch 201 may be made of silicone rubber, fluororubber or polyurethane, and the catalyst 202 may be a solid catalyst such as a platinum catalyst.
  • the reaction liquid 101 may be an aqueous hydrogen peroxide solution.
  • the reaction gas generated by the contact of the reaction liquid 101 with the catalyst 202 is oxygen.
  • the reaction gas enters the air guiding tube 401 via the air guiding hole 402, and is supplied to the air supply means 501 through the gas-liquid separating means 6.
  • the gas generator has the advantages of simple structure, convenient use, automatic pressure control, safety and reliability.
  • the elastic bag 201 is provided with an elastic body 10, which may be a spring, a rubber, a sponge or the like, and the elastic body 10 can increase the supply pressure of the reaction gas.
  • the reaction chamber 1 is provided with a porous flexible liquid absorbing liquid 102 capable of absorbing the reaction liquid 101, such as a sponge, and the reaction liquid 101 is released when squeezed.
  • the gas generator can be placed in any direction, convenient to carry, automatic pressure control, safe and reliable.
  • the working principle is the same as that of the third embodiment, and is not redundant.
  • the present invention is a gas generator comprising a reaction chamber 1 in which a reaction liquid 101 and a catalyst body 2 are present, and a catalyst body 2 is a porous catalyst body, which is installed in a reaction chamber side wall 104 and a top cover. Between 4, the reaction chamber 1 is an elastic body, and the bottom surface thereof The elastic diaphragm 103 is disposed between the reaction chamber side wall 104 and the bottom cover 9.
  • the upper surface of the elastic diaphragm 103 is sealed and connected to the reaction chamber sidewall 104 through the sealing ring 1 1 , and the elastic diaphragm
  • the lower surface periphery of the 103 is sealingly connected to the bottom cover 9 through the sealing ring 12, and the lower surface of the elastic diaphragm 103 communicates with the atmosphere through the vent hole 901 in the bottom cover 9, and the top cover 4 is sealed to the reaction chamber side wall 104 by the sealing ring 13.
  • the top cover 4 and the catalyst body 2 are provided with a gas-liquid separation device 6, which may be composed of microporous polytetrafluoroethylene, which functions to separate the reaction gas from the reaction liquid, and the top cover 4 has an air guiding tube 401.
  • the upper part of the air guiding pipe 401 is connected with the air supply pipe 5, the air supply pipe 5 is provided with a gas supply valve 501, the side wall 104 of the reaction chamber is provided with a safety valve 8, and the safety valve 8 can adopt a one-way pressure relief valve, which functions to prevent gas from occurring.
  • the pressure inside the device is too large, and when the pressure exceeds the defined pressure, the pressure is automatically released.
  • the safety valve 8 is removed, an appropriate amount of the reaction liquid 101 is added to the reaction chamber 1, and then the safety valve 8 is installed, the gas supply valve 501 is opened, and the catalyst body 2 is brought into contact with the reaction liquid 101 to react to generate a reaction gas.
  • the reaction gas is supplied through the pores of the catalyst body 2 itself, the gas-liquid separation device 6, the air guiding tube 401, the air supply tube 5, and the air supply valve 501.
  • the pressure of the reaction gas deforms the elastic diaphragm 103, causing the reaction liquid 101 to contact or separate from the catalyst body 2, thereby achieving automatic control of the reaction gas pressure - when the reaction gas pressure is small, the elastic diaphragm 103 is inwardly contracted by atmospheric pressure.
  • the contact area between the reaction liquid 101 and the catalyst body 2 is increased, thereby accelerating the generation of the reaction gas.
  • the elastic diaphragm 103 expands outward against the atmospheric pressure, resulting in a decrease in the contact area of the reaction liquid 101 with the catalyst body 2 or even separation, thereby slowing or even stopping the generation of the reaction gas.
  • the elastic film 103 may be made of silicone rubber, fluororubber or polyurethane, and the catalyst body 2 may be a porous ruthenium catalyst body.
  • the reaction liquid 101 may be an aqueous sodium borohydride solution.
  • the reaction gas generated by the contact of the reaction liquid 101 with the catalyst body 2 is hydrogen gas.
  • the gas generator is simple in structure, convenient to use, automatic pressure control, safe and reliable.
  • the reaction chamber 1 is provided with a porous flexible liquid absorption liquid 102 capable of absorbing the reaction liquid 101, such as sponge, and the reaction liquid 101 is released when squeezed.
  • the gas generator can be placed in any direction, easy to use, automatic pressure control, safe and reliable.
  • the working principle is the same as that in the fifth embodiment, and will not be described.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Fuel Cell (AREA)

Description

气体发生器 技术领域 本发明涉及气体发生器， 特别涉及反应液与催化剂体通过接 触产生气体的发生器。 背景技术 众所周知， 反应液与催化剂体通过接触产生气体通常采用启 普气体发生器， 它通过反应液的重力与所产生气体的压力之间的 平衡来实现气体压力自动控制， 但它结构复杂， 安全性差， 使用 携带不便。 发明内容 本发明的目的在于克服上述缺陷， 提供一种气体发生器， 它 结构简单， 使用携带方便， 自动控压， 安全可靠。
本发明的目的是这样实现的：
一种气体发生器， 包括反应室， 其特征在于： 所述反应室中 有反应液和催化剂体， 催化剂体朝向反应液， 反应室和催化剂体 至少一个是柔性体， 反应液与催化剂体接触时产生反应气体， 反 应气体的压力使柔性体变形， 从而实现反应气体压力自动控制： 当反应气体压力较小时， 柔性体变形导致反应液与催化剂体 接触面积加大， 从而加速反应气体产生；
当反应气体压力较大时， 柔性体变形导致反应液与催化剂体 接触面积减小甚至分离， 从而减慢甚至停止反应气体产生。
所述柔性体是弹性体。
所述反应室是弹性袋囊， 反应室装在壳体内， 反应室的外表 面通过壳体上的通气孔与大气连通， 壳体的顶盖上有导气管， 导 气管的下部伸入反应室中， 催化剂体固接在导气管的下端， 导气 管通过导气孔与反应室连通， 导气管的上部与供气管连接， 其连 接处装有气液分离装置， 供气管上装有供气阀和安全阀。
所述催化剂体由弹性袋囊和其外表固接的催化剂构成， 弹性 袋囊的内表面通过通气管与大气连通， 所述反应室有顶盖， 顶盖 上有导气管， 导气管的下部伸入反应室内， 催化剂体固接在导气 管的下端， 导气管通过导气孔与反应室连通， 导气管与通气管不 连通， 导气管的上部与供气管连接， 其连接处装有气液分离装置， 供气管上装有供气阀和安全阀。
所述反应室具有弹性膜片构成的底面， 弹性膜片装在反应室 侧壁与底盖之间， 弹性膜片的外表面通过底盖上的通气孔与大气 连通， 所述催化剂体为多孔催化剂体， 催化剂体装在反应室侧壁 与顶盖之间， 顶盖与催化剂体之间装有气液分离装置， 顶盖上有 供气管， 供气管上装有供气阀， 反应室侧壁上装有安全阀。
所述反应室内装有多孔柔性吸液体。
所述弹性袋囊的内腔中装有弹性体。
本发明主要有以下积极有益的效果：该气体发生器结构简单， 通过反应气体的压力使反应室或 /和催化剂体变形， 导致反应液与 催化剂体接触或分离， 从而实现反应气体压力自动控制， 安全可 靠， 使用方便； 反应室内可装有能吸收反应液的多孔柔性吸液体， 受挤压时放出反应液， 使该气体发生器可任意方向放置， 携带方 便。 附图概述 图 1是本发明实施例一的结构示意图。
图 2是本发明实施例二的结构示意图。
图 3是本发明实施例三的结构示意图。
图 4是本发明实施例四的结构示意图。
图 5是本发明实施例五的结构示意图。
图 6是本发明实施例六的结构示意图。 本发明的实施例 实施例一
请参照图 1， 本发明是一种气体发生器， 包括反应室 1， 反应 室 1 中有反应液 101和催化剂体 2， 催化剂体 2朝向反应液 101， 反应室 1 为弹性体， 它是一个弹性袋囊， 弹性袋囊可由硅橡胶、 氟橡胶或聚氨酯等制成， 反应室 1装在壳体 3 内， 反应室 1 的外 表面通过壳体 3上的通气孔 301连通大气， 壳体 3 的顶盖 4上有 导气管 401， 导气管 401 的下部伸入反应室 1 中， 催化剂体 2固 接在导气管 401 的下端， 导气管 401通过导气孔 402与反应室 1 连通， 导气管 401 的上部与供气管 5连接， 其连接处装有气液分 离装置 6， 它可由微孔的聚四氟乙烯构成， 其作用是将反应气体 和反应液分离。 供气管 5上装有供气阀 501和安全阀 8。 安全阀 8 可采用单向的泄压阀， 其作用是防止气体发生器内压力过大， 当 压力超过限定压力时， 自动泄压。
使用情况： 首先， 打开顶盖 4， 在反应室 1 内加入适量反应 液 101， 然后关好顶盖 4， 打开供气阀 501， 催化剂体 2与反应液 101 接触进行反应产生反应气体， 反应气体经由导气孔 402进入 导气管 401， 经过气液分离装置 6、 供气阀 501供气。 反应气体的 压力使反应室 1 变形， 导致反应液与催化剂体接触或分离， 从而 实现反应气体压力自动控制：
当反应气体压力较小时， 反应室 1 受大气压力作用收縮导致 反应液 101与催化剂体 2接触面积加大，从而加速反应气体产生。
当反应气体压力较大时， 反应室 1 克服大气压力作用膨胀导 致反应液 101与催化剂体 2接触面积减小甚至分离， 从而减慢甚 至停止反应气体产生。
催化剂体 2可以是固态多孔催化剂体， 如多孔钌催化剂体。 反应液 101可以是硼氢化钠水溶液。 反应液 101与催化剂体 2接 触产生的反应气体为氢气。 反应气体经由导气孔 402和催化剂体 2 自身的孔隙进入导气管 401， 经过气液分离装置 6、 供气阀 501 供气。 该气体发生器结构简单， 使用方便， 自动控压， 安全可靠。
实施例二
请参照图 2， 反应室 1 内装有能吸收反应液 101 的多孔柔性 吸液体 102， 如海棉， 受挤压时释放出反应液 101。 该气体发生器 可任意方向放置， 使用携带方便， 自动控压， 安全可靠。 工作原 理与实施例一相同， 不复述。
实施例三
请参照图 3， 本发明是一种气体发生器， 包括反应室 1， 反应 室 1中有反应液 101和催化剂体 2， 催化剂体 2朝向反应液 101 , 催化剂体 2是弹性体， 它由弹性袋囊 201和其外表固接的催化剂 202构成， 弹性袋囊 201 的内表面通过通气管 7与大气连通。
反应室 1有顶盖 4， 顶盖 4上有导气管 401， 导气管 401 的下 部伸入反应室 1 内， 催化剂体 2固接在导气管 401 的下端， 导气 管 401通过导气孔 402与反应室 1连通， 导气管 401 的上部与供 气管 5 连接， 其连接处装有气液分离装置 6， 它可由微孔的聚四 氟乙烯构成， 其作用是将反应气体和反应液分离。 供气管 5上装 有供气阀 501 和安全阀 8。 安全阀 8可采用单向的泄压阀， 其作 用是防止气体发生器内压力过大， 当压力超过限定压力时， 自动 泄压。
使用情况： 首先， 打开顶盖 4， 在反应室 1 内加入适量反应 液 101 , 然后关好顶盖 4， 打开供气阀 501， 催化剂 202与反应液 101 接触进行反应产生反应气体， 反应气体经由导气孔 402 进入 导气管 401 , 经过气液分离装置 6、 供气阀 501供气。 反应气体的 压力使弹性袋囊 201变形， 导致反应液 101 与催化剂 202接触或 分离， 从而实现反应气体压力自动控制：
当..反应气体压力较小时， 弹性袋囊 201 受大气压力作用膨胀 导致反应液 101 与催化剂 202接触面积加大， 从而加速反应气体 产生。
当反应气体压力较大时， 弹性袋囊 201 克服大气压力作用收 缩导致反应液 101 与催化剂 202接触面积减小甚至分离， 从而减 慢甚至停止反应气体产生。
弹性袋囊 201 可由硅橡胶、 氟橡胶或聚氨酯等制成， 催化剂 202 可以是固态催化剂， 如铂催化剂。 反应液 101 可以是过氧化 氢水溶液。反应液 101与催化剂 202接触产生的反应气体为氧气。 反应气体经由导气孔 402进入导气管 401， 经过气液分离装置 6、 供气阀 501供气。 该气体发生器结构简单， 使用方便， 自动控压， 安全可靠。
实施例四
请参照图 4， 弹性袋囊 201 中装有弹性体 10， 弹性体 10可以 是弹簧、 橡胶、 海棉等， 弹性体 10可增加反应气体的供气压力。 弹性体 10的弹力越大， 反应气体的供气压力越大。 反应室 1 内装 有能吸收反应液 101 的多孔柔性吸液体 102， 如海棉， 受挤压时 释放出反应液 101。 该气体发生器可任意方向放置， 使用携带方 便， 自动控压， 安全可靠。 工作原理与实施例三相同， 不冗述。
实施例五
请参照图 5， 本发明是一种气体发生器， 包括反应室 1， 反应 室 1 中有反应液 101和催化剂体 2， 催化剂体 2为多孔催化剂体， 装在反应室侧壁 104与顶盖 4之间， 反应室 1 是弹性体， 其底面 由弹性膜片 103构成， 弹性膜片 103装在反应室侧壁 104与底盖 9之间， 弹性膜片 103的上表面周边通过密封圈 1 1与反应室侧壁 104密封连接， 弹性膜片 103的下表面周边通过密封圈 12与底盖 9密封连接， 弹性膜片 103 的下表面通过底盖 9上的通气孔 901 与大气连通， 顶盖 4通过密封圈 13与反应室侧壁 104密封连接， 顶盖 4与催化剂体 2之间装有气液分离装置 6， 它可由微孔的聚 四氟乙烯构成， 其作用是将反应气体和反应液分离， 顶盖 4上有 导气管 401， 导气管 401 的上部与供气管 5连接， 供气管 5上装 有供气阀 501， 反应室侧壁 104上装有安全阀 8， 安全阀 8可采用 单向的泄压阀， 其作用是防止气体发生器内压力过大， 当压力超 过限定压力时， 自动泄压。
使用情况： 首先， 取下安全阀 8， 向反应室 1 内加入适量反 应液 101， 然后装上安全阀 8， 打开供气阀 501， 催化剂体 2与反 应液 1 01 接触进行反应产生反应气体， 反应气体经由催化剂体 2 自身的孔隙、气液分离装置 6、 导气管 401、供气管 5、供气阀 501 供气。 反应气体的压力使弹性膜片 103变形， 导致反应液 101与 催化剂体 2接触或分离， 从而实现反应气体压力自动控制- 当反应气体压力较小时， 弹性膜片 103受大气压力作用向内 收缩， 导致反应液 101与催化剂体 2接触面积加大， 从而加速反 应气体产生。
当反应气体压力较大时， 弹性膜片 103克服大气压力作用向 外膨胀， 导致反应液 101与催化剂体 2接触面积减小甚至分离， 从而减慢甚至停止反应气体产生。
弹性膜片 103可由硅橡胶、 氟橡胶或聚氨酯等制成， 催化剂 体 2可为多孔钌催化剂体。 反应液 101可为硼氢化钠水溶液。 反 应液 101与催化剂体 2接触产生的反应气体为氢气。 该气体发生 器结构简单， 使用方便， 自动控压， 安全可靠。
实施例六
请参照图 6， 反应室 1 内装有能吸收反应液 101 的多孔柔性 吸液体 102， 如海棉， 受挤压时释放出反应液 101。 该气体发生器 可任意方向放置， 使用携带方便， 自动控压， 安全可靠。 工作原 理与实施例五相同， 不赘述。

Claims

权 利 要 求 书
1 . 一种气体发生器， 包括反应室， 其特征在于： 所述反应室 中有反应液和催化剂体， 催化剂体朝向反应液， 反应室和催化剂 体至少一个是柔性体， 反应液与催化剂体接触时产生反应气体， 反应气体的压力使柔性体变形，从而实现反应气体压力自动控制： 当反应气体压力较小时， 柔性体变形导致反应液与催化剂体 接触面积加大， 从而加速反应气体产生；
当反应气体压力较大时， 柔性体变形导致反应液与催化剂体 接触面积减小甚至分离， 从而减慢甚至停止反应气体产生。
2. 如权利要求 1所述的气体发生器， 其特征在于： 所述柔性 体是弹性体。
3 . 如权利要求 1所述的气体发生器， 其特征在于： 所述反应 室是弹性袋囊， 反应室装在壳体内， 反应室的外表面通过壳体上 的通气孔与大气连通， 壳体的顶盖上有导气管， 导气管的下部伸 入反应室中， 催化剂体固接在导气管的下端， 导气管通过导气孔 与反应室连通， 导气管的上部与供气管连接， 其连接处装有气液 分离装置， 供气管上装有供气阀和安全阀。
4. 如权利要求 1所述的气体发生器， 其特征在于： 所述催化 剂体由弹性袋囊和其外表固接的催化剂构成， 弹性袋囊的内表面 通过通气管与大气连通， 所述反应室有顶盖， 顶盖上有导气管， 导气管的下部伸入反应室内， 催化剂体固接在导气管的下端， 导 气管通过导气孔与反应室连通， 导气管与通气管不连通， 导气管 的上部与供气管连接， 其连接处装有气液分离装置， 供气管上装 有供气阀和安全阔。
5 . 如权利要求 1所述的气体发生器， 其特征在于： 所述反应 室具有弹性膜片构成的底面， 弹性膜片装在反应室侧壁与底盖之 间， 弹性膜片的外表面通过底盖上的通气孔与大气连通， 所述催 化剂体为多孔催化剂体， 催化剂体装在反应室侧壁与顶盖之间， 顶盖与催化剂体之间装有气液分离装置， 顶盖上有供气管， 供气 管上装有供气阀， 反应室侧壁上装有安全阀。
6. 如权利要求 1所述的气体发生器， 其特征在于： 所述反应 室内装有多孔柔性吸液体。
7. 如权利要求 4所述的气体发生器， 其特征在于： 所述弹性 袋囊的内腔中装有弹性体。
PCT/CN2006/001292 2006-01-27 2006-06-13 Générateur de gaz WO2007085144A1 (fr)

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