阅读说明：本技术 一种钢渣热焖容器的防爆系统 (Explosion-proof system of steel slag hot stewing container ) 是由 陈文亮 于 2021-09-11 设计创作，主要内容包括：本发明涉及钢渣冷却技术领域,特别是涉及一种钢渣热焖容器的防爆系统,更具体地,涉及一种为了有效地防止钢渣热焖冷却过程中氢气的累积引起的爆炸事故使用除氢装置的防爆系统,该除氢装置即便是对低浓度的氢气也能够有效去除,从而能够事先防止氢气累积。本发明通过一种钢渣热焖容器的防爆系统,即为了防止钢渣在热焖冷却过程中产生氢气爆炸使用除氢装置的防爆系统,其特征在于,包括：氢气收集装置,收集热焖容器内的氢气；内置有催化剂的除氢装置,通过催化剂对流体中的氢气进行氧化,从而去除氢气；能量释放装置,将氧化反应的能量转化为其他能量并释放出来。(The present invention relates to the field of steel slag cooling technology, and more particularly, to an explosion-proof system for a steel slag thermal-braising container, and more particularly, to an explosion-proof system using a hydrogen removal device capable of effectively removing hydrogen even at a low concentration to thereby prevent hydrogen accumulation in advance, in order to effectively prevent an explosion accident caused by hydrogen accumulation during the steel slag thermal-braising cooling process. The invention relates to an explosion-proof system of a steel slag hot-braising container, namely an explosion-proof system which prevents steel slag from generating hydrogen gas to explode in the hot-braising cooling process and uses a hydrogen removing device, which is characterized by comprising the following components: the hydrogen collecting device is used for collecting the hydrogen in the thermal stewing container; a hydrogen removal device with a built-in catalyst, which removes hydrogen by oxidizing the hydrogen in the fluid with the catalyst; and the energy release device is used for converting the energy of the oxidation reaction into other energy and releasing the energy.)

1. An explosion-proof system of a steel slag hot-braising container, namely an explosion-proof system which prevents the steel slag from generating hydrogen gas explosion in the hot-braising and cooling process and uses a hydrogen removing device, is characterized by comprising:

a hydrogen collecting device which is arranged at the upper part of the thermal stewing container;

a hydrogen removal device with a built-in catalyst, wherein when the hydrogen-containing gas is collected by the hydrogen collection device, the hydrogen removal device is introduced into the hydrogen removal device and oxidizes the hydrogen contained in the fluid;

the energy release device is connected with the dehydrogenation device and converts and releases energy of the oxidation reaction when the hydrogen is captured by the dehydrogenation device to be oxidized;

and the safety indicating device displays the hydrogen explosion safety index in the thermal stewing container when the hydrogen is oxidized by the hydrogen removing device and the energy is converted and released by the energy releasing device.

2. An explosion-proof system for a steel slag thermal-braising container as claimed in claim 1, wherein the hydrogen collecting means comprises:

a hydrogen gas inlet for introducing a fluid containing hydrogen gas into the heat-sealed container;

a hollow body # 1 extending from the introduction port and collecting a fluid containing hydrogen gas;

a purifier disposed inside the main body for purifying harmful impurities in the fluid;

a hydrogen exhaust port extending along a rear portion of the body.

3. The system as claimed in claim 1, wherein the dehydrogenation unit with a catalyst inside comprises:

the catalytic reaction zone contains a No. 1 catalyst and is used for oxidizing hydrogen contained in fluid so as to catalytically combust hydrogen-containing gas at low temperature;

in the electrochemical reaction area, hydrogen which is not catalyzed to participate in oxidation reaction enters the electrochemical reaction area and is adsorbed on the anode, hydrogen atoms are changed into hydrogen ions with positive charges and electrons with negative charges under the action of the No. 2 catalyst, the hydrogen ions reach the cathode through an electrolyte, the electrons with negative charges reach the cathode through an external circuit, and finally the hydrogen ions and oxygen atoms near the cathode are combined into water;

and a discharge port for smoothly discharging water generated by the reaction.

4. An explosion-proof system for a steel slag thermal-braising container as claimed in claim 1, wherein the energy release means comprises:

an oxygen inlet for introducing oxygen to supply oxygen to the dehydrogenation device;

a 2# hollow body extending from the introduction port and collecting the 2# fluid containing oxygen;

the electric energy release system is connected with the anode electrode and the cathode electrode in the dehydrogenation device to form an electric loop, and converts the electric energy generated in the dehydrogenation device into other energy to release, wherein the other energy is one or more of optical energy, heat energy and kinetic energy;

and the No. 2 fluid outlet is used for leading the fluid and the reactant after the reaction out of the hollow main body in time.

5. An explosion-proof system for a steel slag thermal-braising container as claimed in claim 1, wherein the safety indicating means comprises:

the current and voltage detection element and the indicator light are connected to an electric loop of the hydrogen removal device, detect the current and voltage of the electric loop, indicate the hydrogen condition in the thermal soaking container and provide safety indication.

6. The hydrogen collecting device according to claim 2, characterized in that the hydrogen collecting device comprises:

a sensor unit provided in the vicinity of the hydrogen gas introduction port;

an emergency vent to be opened when the hydrogen concentration detected by the sensor unit exceeds a predetermined concentration for a long time.

7. The dehydrogenation apparatus with a built-in catalyst according to claim 3, wherein the catalytic reaction zone # 1 catalyst comprises: the catalysis is mainly to catalyze oxygen mixed in the fluid to perform chemical reaction with hydrogen to generate water, so that the internal explosion hidden trouble is eliminated.

8. The hydrogen removal device with a built-in catalyst according to claim 3, wherein the electrochemical reaction zone mainly comprises:

the anode electrode is internally provided with a No. 2 catalyst and can promote the hydrogen-oxygen reaction to generate water;

an electrolyte for transferring reactive ions;

the cathode electrode contains the No. 2 catalyst, and can promote the hydrogen-oxygen reaction to generate water.

9. The energy release device of claim 4, wherein the electrical energy release system comprises:

the fan is connected to the electric loop of the dehydrogenation device and used for converting oxidation reaction energy into kinetic energy and heat energy to be released, and preferably, the fan is positioned in the 2# hollow main body and used for driving fluid in the 2# hollow main body to flow;

and the electric heater or the bulb is connected to an electric circuit of the hydrogen removal device and converts the energy of the oxidation reaction into light energy and heat energy to be released, and preferably, the electric heater is partially positioned in the hollow 2# main body and drives the fluid in the hollow 2# main body to flow.

Technical Field

The present invention relates to the field of steel slag cooling technology, and more particularly, to an explosion-proof system for a steel slag thermal-braising container, and more particularly, to an explosion-proof system using a hydrogen removal device capable of effectively removing hydrogen even at a low concentration to thereby prevent hydrogen accumulation in advance, in order to effectively prevent an explosion accident caused by hydrogen accumulation during the steel slag thermal-braising cooling process.

Background

At present, the steel slag is mainly cooled by adopting a water spraying mode, the cooling effect is good, the speed is high, hydrogen explosive gas is easily generated in the cooling process, and potential safety hazards are brought to production.

For example, the steel slag hot-braising treatment process with mature process technology is mainly characterized in that high-temperature liquid steel slag (with the temperature of 1200-1600 ℃) is discharged from a steelmaking furnace and then is put into a slag pot, and the high-temperature liquid steel slag is directly poured into a hot-braising device through the slag pot and then is covered and sprayed with a cover for hot-braising, the process flow is simple, and the treated steel slag has the advantages of good steel slag pulverization effect, high metal recovery rate and the like. However, hydrogen is generated in the process of thermal stewing, so that the danger of explosion often occurs, and the stewing cover is exploded to fly to cause production facilities and personal injury in serious cases.

Hydrogen is the most volumeEasily explode a gas, which is O₂The mixed gas has explosion danger in a large concentration range, the explosion concentration range in oxygen is (4% -94%), the explosion concentration range in air is (4% -75%), and the explosion power is huge.

The steel slag hot stewing pond cover stewing device in the prior art comprises a cover body, a pressure relief protection device, a cooling water spraying device, a water seal groove and the like, wherein an explosion-proof measure is the pressure relief protection device and is a main means for preventing explosion in the steel slag hot stewing process.

Chinese patent CN201220524227.2 discloses a safety thermal cover braising device, because the explosion protection device is arranged on the cover braising device as the last safety guarantee, if the pressure relief protection device on the cover braising device fails, the explosion protection device still can play a role to improve the safety index when the steel slag is thermally braised.

Chinese patent CN202020178753.2 discloses an explosion venting device and steel slag hot-braising treatment equipment using the same. Should let out and explode the device and include: the explosion venting device comprises a shell, a first sealing ring, a second sealing ring and a first sealing ring, wherein the bottom wall of the shell is used for being fixedly and hermetically communicated with equipment to be vented and exploded; and the rupture disk is sealed and detachably fixed at the opening of the shell. Wherein, the rupture disk sets up to: at operating temperature, when the pressure inside the device to be vented makes the pressure inside the housing greater than the operating pressure of the rupture disk, the rupture disk ruptures. It is hoped that the explosion venting device can reduce the explosion risk of the steel slag thermal braising processing equipment.

The above patent technology all reaches the safe purpose that improves steel slag heat smoldering and handle through the mode of pressure release, relates to pressure release protection device promptly, still has the danger that the lid is blown away, causes the threat for the safety of the person and environment.

In light of the deficiencies of the prior art, there is a great need in the art for an explosion-proof system that effectively reduces the risk of explosion in steel slag thermal-braising equipment.

Disclosure of Invention

Technical problem to be solved

The present invention has been made to solve the above problems, and an object of the present invention is to provide an explosion-proof system for a thermal braising container using a hydrogen removing device for fundamentally removing hydrogen generated in a process of cooling steel slag with water, thereby preventing explosion.

The invention also aims to provide an explosion-proof system of the steel slag hot-braising container, which monitors the hydrogen concentration in the hot-braising container, guides the safe production operation, effectively prevents the explosion caused by the hydrogen and improves the safety coefficient.

Technical solution ]

The technical scheme adopted by the invention for solving the technical problems is as follows:

an explosion-proof system of a steel slag hot-braising container, namely an explosion-proof system using a hydrogen removing device for preventing steel slag from generating hydrogen explosion in the water cooling process, comprises: a hydrogen collecting device which is arranged at the upper part of the thermal stewing container; a hydrogen removal device having a catalyst built therein, wherein when the hydrogen-containing gas is collected by the hydrogen collection device, the hydrogen removal device is introduced into the hydrogen removal device, and the hydrogen removal device oxidizes hydrogen contained in the fluid, thereby removing the hydrogen; the energy release device is connected with the dehydrogenation device and converts and releases energy of the oxidation reaction when the hydrogen is captured by the dehydrogenation device to be oxidized; a safety indication device; when the hydrogen is oxidized by the hydrogen removing device and the energy is converted and released by the energy releasing device, the safety indicating device displays the hydrogen explosion safety index in the thermal stewing container.

In addition, the hydrogen gas collecting device is characterized by comprising: a hydrogen gas inlet for introducing a No. 1 fluid containing hydrogen gas inside the heat-sealed container; a hollow body # 1 extending from the introduction port and collecting a fluid containing hydrogen gas; a purifier disposed inside the main body for purifying harmful impurities in the fluid; a hydrogen exhaust port extending along a rear portion of the body.

Preferably, the heat stewing container contains No. 1 fluid of hydrogen gas, and further comprises: the main component is H₂、O₂Water vapor, N₂One or more of dust, and the like. The contents of the individual components varying with time during a production cycle, H₂The content and the water vapor content reach a peak in a certain time, O₂And N₂And the content of the other components reaches the low valley in a certain time.

Preferably, the hydrogen collecting means further comprises: a sensor unit provided in the vicinity of the hydrogen gas inlet port and detecting hydrogen gas; and an emergency vent to be opened when the hydrogen concentration detected by the sensor unit exceeds a predetermined concentration and an installation indication means indicates that the hydrogen concentration is low.

Further, the dehydrogenation device having a built-in catalyst is characterized by comprising: the catalytic reaction zone contains a No. 1 catalyst and is used for oxidizing hydrogen contained in fluid so as to catalytically combust hydrogen-containing gas at low temperature; in the electrochemical reaction area, hydrogen which is not catalyzed to participate in oxidation reaction enters the electrochemical reaction area and is adsorbed on the anode, hydrogen atoms are changed into hydrogen ions with positive charges and electrons with negative charges under the action of the No. 2 catalyst, the hydrogen ions reach the cathode through an electrolyte, the electrons with negative charges reach the cathode through an external circuit, and finally the hydrogen ions and oxygen atoms near the cathode are combined into water; and a discharge port for smoothly discharging water generated by the reaction.

Preferably, the # 1 catalyst of the catalytic reaction zone is characterized by comprising: the catalysis is to catalyze the hydrogen and the oxygen in the No. 1 fluid of the thermal stewing container to carry out chemical reaction at low temperature, and finally generate water. The reaction process is stable, safe and pollution-free. More preferably, the No. 1 catalyst contains one or more metals of Pt, Co, Ni, Fe, Ba, Ce, La, Sm, Pr, Pd, etc.

Catalytic reaction zone, reaction principle: 2H₂+O₂=2H₂O (catalyst).

Preferably, the electrochemical reaction zone is characterized by mainly comprising: the anode electrode is internally provided with a No. 2 catalyst and can promote the hydrogen-oxygen reaction to generate water; an electrolyte for transferring reactive ions; a cathode electrode containing a No. 2 catalyst,can promote the hydrogen-oxygen reaction to produce water. More preferably, the total reaction in the electrochemical reaction zone is: 2H₂ + O₂ = 2H₂0. More preferably, the anode primarily reacts as: h₂ ^-==2H₊+2e^-(ii) a The cathode mainly comprises the following reactions: 1/2O₂+2e+2H₊ ^-==H₂O。

Preferably, the electrochemical reaction zone 2# catalyst is characterized by comprising: the catalysis is that hydrogen in the No. 1 fluid of the heat stewing container and oxygen in the No. 2 fluid are subjected to chemical reaction, and finally water is generated. The reaction process is stable, safe and pollution-free. More preferably, the 2# catalyst contains one or more metals of Pt, Co, Ni, Fe, Ba, Ce, La, Sm, Pr, Pd, etc.

In addition, the energy release device is characterized by comprising: an oxygen inlet for introducing oxygen to supply oxygen to the dehydrogenation device; a 2# hollow body extending from the introduction port and collecting the 2# fluid containing oxygen; the electric energy release system is connected with the anode electrode and the cathode electrode in the dehydrogenation device to form an electric loop, and converts the electric energy generated in the dehydrogenation device into other energy to release, wherein the other energy is one or more of optical energy, heat energy and kinetic energy; and the No. 2 fluid outlet is used for leading the fluid and the reactant which participate in the reaction out of the device in time.

Preferably, the electric energy release system in the energy release device is characterized in that the electric energy release system comprises:

a fan connected to the electric loop of the dehydrogenation device for converting the oxidation reaction energy into kinetic energy and heat energy for release,

preferably, the fan is positioned in the hollow main body No. 2 and is used for driving the fluid in the hollow main body No. 2 to flow;

and the electric heater or the bulb is connected to an electric circuit of the hydrogen removal device and converts the energy of the oxidation reaction into light energy and heat energy to be released, and preferably, the electric heater is partially positioned in the hollow 2# main body and drives the fluid in the hollow 2# main body to flow.

In addition, the safety indicator device is characterized by comprising: the current and voltage detection unit and the indicator light are connected to an electric loop of the hydrogen removal device, detect the current and voltage of the electric loop, indicate the hydrogen condition in the thermal soaking container and provide safety indication.

Effects of the invention

As described above, according to the explosion-proof system of the steel slag hot-braising container of the present invention, it removes hydrogen by collecting hydrogen gas in the hot-braising container to be oxidized, thereby fundamentally preventing explosion due to hydrogen gas. The whole reaction process is stable, safe and pollution-free.

In addition, the invention also considers the fluctuation change of the content of each gas component in the fluid in the heat stewing container in a production period, and the hydrogen removal treatment is carried out in a step type. When initial hydrogen content is low, oxygen content is high, remove hydrogen for the main in catalytic reaction district, prevent inside oxyhydrogen gathering explosion, when middle and later stage hydrogen content is high, remove hydrogen for the main in electrochemical reaction district, reach and fall hydrogen concentration purpose fast, avoid the emergence that hydrogen revealed the explosion.

In addition, according to the explosion-proof system of the steel slag hot-stewing container, the hydrogen concentration in the hot-stewing container is monitored, the safe production operation is guided, the explosion caused by hydrogen is effectively prevented, and the safety coefficient is improved.

In addition, in the conventional steel slag cooling treatment process, the generated hydrogen is discharged to the atmosphere in order to prevent hydrogen explosion, and the discharged hydrogen directly enters an atmosphere stratosphere, so that the formation of ozone can be disturbed, and further larger ozone holes with longer duration can be formed, and the living environment of human beings can be threatened. According to the explosion-proof system of the steel slag hot-stewing container, hydrogen discharged into the atmosphere is effectively harmless from the source, water is generated by reaction, and the explosion-proof system has positive significance for protecting the environment.

Drawings

FIG. 1 is an explosion-proof system for a thermal anneal container using a hydrogen removal device according to the present invention;

FIG. 2 is an elevational view of an explosion prevention system using a hydrogen removal device in accordance with the present invention;

figure 3 is another embodiment of an explosion-proof system for a thermal anneal container using a hydrogen removal device in accordance with the present invention.

Description of reference numerals:

1. a hydrogen gas collecting device;

11. a hydrogen gas inlet;

12. a purifier;

13. a sensor unit;

14. 1# hollow body;

15. an emergency vent.

2. A dehydrogenation unit;

21. a catalytic reaction zone;

22. an anode electrode;

23. electrolyte (proton exchange membrane PEMFC);

24. and a cathode electrode.

3. An energy release device;

31. oxygen to the inlet;

32. an electric heater;

33. a fan;

34. 2# hollow body;

35. 2# fluid discharge outlet

4. Safety indicating device

5. And (4) thermally stewing the container.

Detailed Description

The specific structural and functional descriptions of the embodiments according to the inventive concept disclosed in the present specification are merely illustrated to describe the embodiments according to the inventive concept, which can be embodied in various forms and are not limited to the embodiments described in the present specification.

Since various modifications can be made in accordance with the embodiments of the inventive concept and it can have various forms, embodiments thereof will be shown in the drawings and will be described herein in detail. It is not intended to limit the embodiments according to the inventive concept to the particular forms disclosed, and therefore, all changes, equivalents, and substitutions that fall within the spirit and scope of the invention are intended to be embraced therein.

The terms "first" or "second" and the like may be used for description of various constituent elements, but the constituent elements should not be limited by the terms. The terms are only named for the purpose of distinguishing one component from another, and for example, a first component may be named as a second component, and similarly, a second component may be named as a first component without departing from the scope of the claims according to the concept of the present invention.

When a description is given of a case where a certain component is "connected" or "connected" to another component, it is to be understood that the component may be directly connected or connected to the other component, or another component may be present therebetween. On the contrary, when a description is given of a case where a certain component is "directly connected" or "directly connected" to another component, it is to be understood that no other component exists therebetween. Similarly, other expressions used in relation to the description of the relationship between the constituent elements, such as "between" and "directly between" or "adjacent to" and "directly adjacent to" should also be understood as described above.

The terminology used in the description is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Reference to the singular is to be construed to include the plural if not explicitly stated otherwise in the context. The terms "including" or "having" used in the present specification should be understood as meaning that the features, numerals, steps, actions, components, and parts described in the present specification are only specified or the existence of the combination of the features, numerals, steps, actions, components, and parts is specified, and that one or more other features, numerals, steps, actions, components, and parts or the existence of the combination of the features, numerals, steps, actions, components, and parts or the possibility of the combination of the features, numerals, steps, actions, components, and parts is not excluded by the use of the terms.

Unless otherwise defined, all terms including technical terms, scientific terms, and the like used in the present specification have the same meaning as commonly understood by one of ordinary skill in the art. Conventional and dictionary definition of these terms should be interpreted as meaning in the context of describing relevant art, and should not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-2, the present invention relates to an explosion-proof system for a thermal stewing container using a hydrogen removing device, which comprises: a hydrogen gas collecting device 1 arranged on the upper part of the thermal stewing container 5; a hydrogen removal device 2 having a catalyst built therein, which is introduced into the hydrogen removal device when the hydrogen-containing gas is collected by the hydrogen collection device, and which oxidizes hydrogen contained in the fluid to remove the hydrogen; the energy release device 3 is connected with the dehydrogenation device to convert and release the energy of the oxidation reaction when the hydrogen is captured by the dehydrogenation device to be oxidized; and the safety indicating device 4 displays the hydrogen explosion safety index in the thermal stewing container when the hydrogen is oxidized by the hydrogen removing device 3 and the energy is converted and released by the energy releasing device.

In addition, the hydrogen collecting device 1 includes: a hydrogen gas inlet 11 for introducing a gas 1# fluid containing hydrogen gas inside the heat-sealed container; after the No. 1 fluid is introduced, the fluid firstly passes through the purifier 12 to filter out harmful impurities such as dust and the like, so that the harm to a subsequent catalyst is reduced; after purging, the # 1 fluid enters the # 1 hollow body 14 to begin to accumulate; the sensor unit 13 is used for detecting the hydrogen concentration, and when the hydrogen concentration exceeds 4% or even higher, the sensor unit displays a danger signal; the emergency vent 15 is used for rapidly discharging hydrogen in an emergency, and the emergency vent 15 is in a closed state when the system of the invention works normally. When the hydrogen concentration detected by the sensor unit 13 exceeds a predetermined concentration and the installation indicator 4 indicates that the hydrogen concentration is low, it is determined that the hydrogen removal device is malfunctioning, and the remaining hydrogen in the hydrogen collection device 1 is sucked from the emergency discharge port to the safety area to be discharged or stored. Or other emergency conditions considered in production, the emergency vent 15 may be opened to emergently vent hydrogen. As the hydrogen is lighter, the hydrogen collecting device 1 is positioned at the top of the thermal stewing container and is communicated with the gas, the hydrogen is automatically gathered at the top of the hydrogen collecting device 1 according to the self weight, and other gases can be extruded to the hydrogen introducing port 11 after purification. Preferably, the working pressure in the hot stewing container is 5 Pa-2 Mpa.

Further, the catalyst-incorporating hydrogen removal device 2 includes: the catalytic reaction zone 21 contains a No. 1 catalyst, and hydrogen gas from the hydrogen gas collecting device is firstly subjected to catalytic oxidation on hydrogen contained in the fluid, so that hydrogen-containing gas is subjected to low-temperature catalytic combustion; the electrochemical reaction zones are respectively provided with an anode 22, a proton exchange membrane 23 and a cathode 24, and can further carry out electrochemical catalytic reaction on hydrogen which is not catalyzed to participate in oxidation reaction, the anode 22 and the cathode 24 contain 2# catalysts, the hydrogen generates galvanic reaction under the action of the 2# catalysts, hydrogen atoms are firstly changed into hydrogen ions with positive charges and electrons with negative charges, the hydrogen ions reach the cathode through an electrolyte, the electrons with negative charges reach the cathode through an external circuit, and finally the hydrogen ions and oxygen atoms near the cathode are combined into water; a water discharge port 25 for smoothly discharging the water generated by the reaction.

In addition, the energy release device 3 includes: an oxygen inlet 31 for introducing oxygen to supply the hydrogen removing device with oxygen; a # 2 hollow body 34 extending from the introduction port and collecting a # 2 fluid containing oxygen; preferably, the # 2 fluid herein is air; the electric energy release system comprises a heating wire 32 and a fan 33 which are connected with an anode electrode and a cathode electrode in the dehydrogenation device to form an electric loop, and the electric energy generated in the dehydrogenation device is converted into kinetic energy and heat energy to be released; the No. 2 fluid outlet 35 is used for leading out the fluid and the reactant after the reaction in time; the fan is positioned in the hollow main body 35 of No. 2 and is used for driving fluid in the hollow main body of No. 2 to flow, so that the flow of oxygen near the cathode electrode is increased, and the hydrogen-oxygen reaction effect is accelerated; the electric heater part is positioned in the hollow main body 35 of No. 2, and the air flow in the hollow main body of No. 2 is driven by heating the nearby gas to generate air pressure difference and chimney benefit, so that the oxygen flow nearby the cathode electrode is increased, and the hydrogen-oxygen reaction effect is accelerated.

In addition, the safety indicator 4 comprises a voltage detector and an indicator light, the voltage detector is connected to an electric circuit of the hydrogen removing device in parallel, the voltage between the anode and the cathode is detected, the hydrogen condition in the heat stewing container is indicated through conversion, the indicator light is connected to the electric circuit of the hydrogen removing device in series, current is generated when hydrogen and oxygen react, the indicator light is on, and the heat stewing container is opened to be in an unsafe state. When the indicator light is not on and the sensor unit 13 indicates that the hydrogen concentration is below 4%, the thermal annealing container can be opened.

In addition, the catalyst reaction zone, the # 1 catalyst is composed of a honeycomb structure forming a plurality of pores, and is connected to the inside of the # 1 hollow body 14. The main carrier of the No. 1 catalyst is Al₂O₃The active component is noble metal Pd, and the loading amount is 0.1-5%.

In addition, in the electrochemical reaction zone, the cathode and the anode contain the 2# catalyst, the 2# catalyst electrode has the main active component of platinum alloy, in this case, PtCo/C is preferred, and the platinum loading capacity is 0.02mg-1g/cm 2.

As described above, the present invention has been mainly described in terms of preferred embodiments with reference to the drawings, but it will be apparent to those skilled in the art that various modifications can be made without departing from the scope of the present invention. Therefore, the scope of the present invention is defined by the appended claims so as to include these many modifications.