CN201681635U - Self-starting hydrogen eliminating device with shell - Google Patents
Self-starting hydrogen eliminating device with shell Download PDFInfo
- Publication number
- CN201681635U CN201681635U CN2010201344969U CN201020134496U CN201681635U CN 201681635 U CN201681635 U CN 201681635U CN 2010201344969 U CN2010201344969 U CN 2010201344969U CN 201020134496 U CN201020134496 U CN 201020134496U CN 201681635 U CN201681635 U CN 201681635U
- Authority
- CN
- China
- Prior art keywords
- housing
- shrouding
- reaction bed
- shell
- gas outlet
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The utility model discloses a self-starting hydrogen eliminating device with a shell, which comprises the shell and a reaction bed. The shell is of a rectangular structure. A heat-preservation sandwich structure is arranged between the outer wall and the inner wall of the shell. An air inlet, an air outlet and an access hole are arranged on the shell and are respectively provided with a sealing plate. The reaction bed is of a rectangular box structure which is provided with a handle and can be drawn. The access hole is arranged on the shell at a position close to one end of the handle of the reaction bed and is provided with a sealing plate C. The utility model uses low-melting-point alloy to seal catalytic active substances and protect the normal performance thereof and ensures that the alloy can be melted at a set temperature to start the device and to expose the catalytic active substances to an atmosphere with hydrogen to eliminate dangers. The heat-preservation sandwich layer of the shell can increase the difference between internal temperature and external temperature of the device and the driving force for air flow circulation is increased. The air inlet and the air outlet on the shell can accelerate the speed of the air flow at the upper part of the device, the pressure is reduced and thereby the air flow circulation is facilitated. After the low-melting-point alloy is melted, the gravity is used for ensuring that the device can be naturally started.
Description
Technical field
The utility model relates to a kind of self-starting dehydrogenation unit, belongs to the nuclear safety technical field.
Background technology
In patent " a kind of need not hydrogen and the oxygen set composite that the outside the provides the energy " patent No. is in 200620116543.0, and the catalytic active substance of introducing a kind of web plate shape structure is placed in the open chimney-like rectangular case, and this housing air outlet is equipped with wire netting.
In being 98802068.8 patent, the patent No. introduces a kind of compound device of hydrogen in the gaseous mixture that makes.This device will avoid gaseous mixture to be lighted unintentionally especially, is provided with a flame retention device and a sediment trap; In the patent No. is to have introduced a kind of make hydrogen and/or carbon monoxide and compound set composite and the method for oxygen catalysis in its body potpourri in 00805770.9.Major requirement a kind of porous overlayer of subregion barrier layer disposed on the catalytic active substance support plate.Make the temperature of reaction of first subregion be lower than the temperature of reaction of second subregion.
In the patent No. is to have introduced a kind of hydrogen and compound device of oxygen that is applied to nuclear power station among the CA19912082627.Mainly introduce a kind of catalytic active substance preparation method who contains alumina layer, reached mounting means in a kind of open rectangle box body.Catalytic active substance Long contact time air in this device influences catalytic active substance serviceable life.What have same problem also has patent 97195401.1, catalysis system that related a kind of hydrogen and oxygen are compound and set composite major requirement the catalytic active substance system, reach the mounting structure of catalytic active substance in set composite.
In patent US5130079, introduced a kind of device that can eliminate the hydrogen in the mixed gass such as containing hydrogen, oxygen, water vapor and gasoloid, it adopts catalytic active substance to carry out the catalysis of hydrogen and oxygen and emits heat space does not have chimney structure, therefore can't promote to utilize catalytic active substance to accelerate oxyhydrogen reaction, the hydrogen treatment capacity that disappears is little.Device adopts a kind of protective device, and device is opened automatically when reaching design temperature.
Because under the nuclear power station nominal situation, dehydrogenation unit is in stand-by state, its inner catalytic active substance is not worked, and needs protection, and the life-span of catalytic active substance can prolong like this.When nuclear power station had an accident, the utility model can start did not voluntarily need extra power supply and artificial intervention.The utility model is used for the elimination of hydrogen in the containment behind the nuclear power plant accident.The utility model can be when standby the seal protection catalytic active substance, and under the nuclear power plant accident operating mode, the protection structure is opened voluntarily, after catalytic active substance contacts extraneous hydrogen and oxygen, starts and eliminates hydrogen.
The utility model content
The purpose of this utility model is in order to overcome the defective of prior art; provide a kind of device can realize making the catalytic active substance of eliminating hydrogen under stand-by state, to be in the excellent protection environment; the normal performance of protection catalytic active substance; and in working order down, the protection structure can be opened voluntarily.
The purpose of this utility model is achieved through the following technical solutions.
A kind of self-starting dehydrogenation unit with housing comprises housing, reaction bed;
Described device is vertically placed and is made housing bottom be in vacant state;
Wherein, reaction bed is positioned at housing, and housing is a rectangular structure, has insulation sandwich construction between the outer wall of housing and the inwall, and described insulation interlayer can be one or more layers; But interlayer inside fill insulant material can not filled or vacuumize yet;
Have air intake opening and gas outlet on the housing, and access hole;
Wherein the aperture position of gas outlet is arranged near on the sidewall on the housing, and the aperture position of air intake opening is arranged at housing bottom, and its top is a reaction bed; Air intake opening and gas outlet are respectively arranged with shrouding A and shrouding B, and the outside of shrouding A and shrouding B and housing is connected with the stainless steel chain; Shrouding A and shrouding B shelter from the air intake opening and the gas outlet of housing by the mode of fitting with hull outside, and the outer of shrouding A and shrouding B is respectively greater than the outer of gas outlet and air intake opening, and described shrouding adopts fast fusion gold to seal the gas outlet in the mode of girth joint; And when using fast fusion gold sealing gas outlet, the welding position of fast fusion gold is positioned at the intersection of shrouding and housing;
When environment temperature in the containment reaches the fusing point of fast fusion gold, the fusing of fast fusion gold causes shrouding A and shrouding B to come off, and shrouding A is connected with outside by the stainless steel chain with shrouding B, do not block air intake opening and gas outlet after it is come off, prevent that simultaneously the shrouding that comes off from weighing down to other equipment;
But reaction bed is the rectangle box body structure that has the pull of handle, and this box body does not have upper plate and base plate, is connected with housing by the reaction bed positioning slide; Vertically hang the catalytic plate of placing sheet in the reaction bed, insert on the catalytic plate location plate on the reaction bed frame, catalytic plate is used to adhere to the catalytic active substance of oxyhydrogen reaction;
On the housing of the end of shaking hands near reaction bed, offer access hole, access hole is provided with shrouding C, shrouding C has inwall insulation interlayer, shrouding C adopt screw retention on housing with the sealing access hole, when access hole seals, the catalytic active substance of reaction bed is in store status, can guarantee that catalytic active substance is not influenced by extraneous atmosphere and lost efficacy, and keeps its activity for a long time; When needs overhaul, pull down shrouding C after, catalytic plate is changed and reaction bed overhauls but reaction bed box body pull carries out to the access hole;
But the anti-irradiation of material corrosion-and high-temp-resistant that housing, reaction bed adopted;
Below the utility model is made an explanation:
After nuclear power station has an accident, the corresponding rising of ambient air temperature meeting, when rising to the melting temperature of low-melting alloy (alloys of metallic elements such as bismuth-containing, nickel), as 60 ℃, 65 ℃, 70 ℃ etc. (choosing) according to designing requirement, the low-melting alloy fusing, shrouding A and shrouding B rely on self gravitation to fall, and last lower channel is opened, outer gas stream enters with catalytic active substance and contacts, and hydrogen and oxygen is compound generation water under the effect of catalytic active substance.Physical property that consider to use low-melting alloy in the design is as the motive power of opening, and since the outer of shrouding A and B respectively greater than the outer of air intake opening and gas outlet, therefore two shroudings are by the gravity fall of self.Utilize the fusing point and the gravity of low-melting-point metal, guarantee the reliability of the automatic unlatching of device.
After device is opened, because the reaction of hydrogen and oxygen is themopositive reaction, with extraneous formation temperature gradient, form the convection circulation of gas, and device forms certain pressure reduction originally as higher housing between gas outlet of installing and air intake opening, promote convection circulation.The housing of whole device has insulation sandwich construction simultaneously, and under the housing height, this structure makes that air pressure is low at place, device gas outlet temperature height, thereby promotes the air-flow circulation of device.
The contrast prior art, the technical program beneficial effect is, the utility model adopts low-melting alloy to seal the normal performance of protection catalytic active substance up for safekeeping, utilize the low temperature fusing point performance of low-melting alloy, guarantee that it can melt under design temperature, opening device is exposed to catalytic active substance and contains in the ambiance of hydrogen, thereby hydrogen and oxygen generate water and eliminate hydrogen under the effect of catalytic active substance, eliminate danger; The utility model is provided with housing insulation interlayer, makes the device internal-external temperature difference strengthen, and increases air-flow circulation expulsive force, utilizes the set structure of housing and air intake opening gas outlet that the device upper air is speeded up, and air pressure reduces, and promotes the circulation of air-flow; Utilize natural force such as gravity in addition, guarantee that device can be opened naturally after low-melting alloy melts, do not have problems such as stuck, inefficacy.
Description of drawings
Fig. 1-a kind of is with the synoptic diagram of the self-starting dehydrogenation unit embodiment of housing;
(a) A-A cut-open view; (b) front elevation;
1-shrouding A wherein; The 2-gas outlet; The 3-housing; 4-is incubated sandwich construction; The 5-access hole; The 6-reaction bed; 7-shrouding C; The 8-air intake opening; 9-shrouding weld; The 10-link; 11-shrouding B; The gas channel of 12-enclosure interior; The 13-device installs and fixes beam; The 14-chain; 15-anticreep screw;
The partial structurtes cut-open view of Fig. 2-embodiment;
1-housing wherein; 2-is incubated sandwich construction; The 3-access hole; 4-reaction bed backplate; The 5-slotted screw; 6-anticreep screw; 7-shrouding C; 8-reaction bed handle; The 9-catalytic plate; 10-catalytic plate location plate; 11-shrouding weld; The 12-air intake opening; 13-shrouding B; 14-reaction bed positioning slide.
Embodiment
Elaborate below in conjunction with the preferred implementation of accompanying drawing to the utility model method.
The self-starting dehydrogenation unit example of band housing comprises housing, reaction bed;
Adopt the rectangle housing in the present embodiment, see accompanying drawing 1.
Described device utilizes link vertically to hang on the metope, and its bottom is in vacant state, so shrouding A and shrouding B can utilize gravity to come off naturally;
Wherein, have insulation sandwich construction between the outer wall of housing and the inwall, described insulation interlayer can be one or more layers; But interlayer inside fill insulant material, can not fill or vacuumize yet, these heats can be accelerated the oxyhydrogen reaction speed in the housing, can also reduce this device simultaneously and be in when disappearing the hydrogen duty space distribute heat towards periphery, avoid causing the containment accident;
Have air intake opening and gas outlet on the housing, and access hole;
Wherein the aperture position of gas outlet is arranged near on the sidewall on the housing, to prevent that spray liquid splashes into housing internal reaction bed under the containment accident condition; The aperture position of air intake opening is arranged at housing bottom, and its top is a reaction bed; Air intake opening and gas outlet are respectively arranged with shrouding A and shrouding B, and the outside of shrouding A and shrouding B and housing is connected with the stainless steel chain; Shrouding A and shrouding B shelter from the air intake opening and the gas outlet of housing by the mode with the hull outside applying, the outer of shrouding A and shrouding B is respectively greater than the outer of gas outlet and air intake opening, (conveniently coming off), and when using fast fusion gold sealing gas outlet, the welding position of fast fusion gold is positioned at the intersection of shrouding and housing; Adopt bismuth nickel alloy (60 ℃ of melting temperatures) in the present embodiment, described shrouding adopts fast fusion gold to seal the gas outlet in the mode of girth joint;
When environment temperature in the containment reaches the fusing point of fast fusion gold, the fusing of fast fusion gold causes shrouding A and shrouding B to come off, and shrouding A is connected with outside by the stainless steel chain with shrouding B, do not block air intake opening and gas outlet after it is come off, prevent that simultaneously the shrouding that comes off from weighing down to other equipment;
Reaction bed is positioned at enclosure interior, and enclosure interior is owing to be provided with air intake opening and gas outlet thereby form the gas channel that is communicated with, and sees in the accompanying drawing 1 12;
But reaction bed is the box body structure that has the pull of handle, see accompanying drawing 2, this box body does not have upper plate and base plate, be connected with housing by the reaction bed positioning slide, vertically hang the catalytic plate of placing sheet in the reaction bed, insert on the catalytic plate location plate on the reaction bed frame (seeing accompanying drawing 2), be attached with the catalytic active substance that is used for oxyhydrogen reaction on the catalytic plate, every catalytic plate can independently be changed;
On the housing of the end of shaking hands near reaction bed, offer access hole, access hole is provided with shrouding C, shrouding C has the inwall interlayer, shrouding 3 adopts slotted screw to be fixed on the housing with the sealing access hole, when access hole seals, the catalytic active substance of reaction bed is in store status, can guarantee that catalytic active substance is not influenced by extraneous atmosphere and lost efficacy, and keeps its activity for a long time; When needs overhaul, pull down shrouding C after, catalytic plate is changed and reaction bed overhauls but reaction bed box body pull carries out to the access hole;
But the anti-irradiation of material corrosion-and high-temp-resistant that housing, reaction bed adopted.
Make an explanation below in conjunction with embodiment:
Under standby function, catalytic active substance is sealed in the device inside, and catalytic active substance does not contact with outside air, helps protecting catalytic active substance, has therefore reduced the workload that catalytic active substance is safeguarded.
After nuclear power station has an accident, the corresponding rising of ambient air temperature meeting, when rising to 60 ℃ of bismuth nickel alloy melting temperatures, the fusing of bismuth nickel alloy, shrouding relies on self gravitation to fall, last lower channel is opened, and outer gas stream enters with catalytic active substance and contacts, and hydrogen and oxygen is compound generation water under the effect of catalytic active substance.The physical property of considering in the design to use low-melting alloy is as the motive power of opening, and shrouding is by the gravity fall of self.
After device is opened, because the reaction of hydrogen and oxygen is themopositive reaction, with extraneous formation temperature gradient, form the convection circulation of gas, and device highly is 1～1.5 meter originally as higher rectangle housing, forms certain pressure reduction in the outlet and the porch of device, promote convection circulation, the rectangle housing is bigger than the draught area of cylindrical housings in addition.The internal layer of whole device is double-deck double wall structure simultaneously, and under the housing height, this structure makes that air pressure is low at device exit temperature height, thereby promotes the air-flow circulation of device.
Above-described specific descriptions; purpose, technical scheme and beneficial effect to utility model further describe; institute is understood that; the above only is a specific embodiment of the utility model; and be not used in and limit protection domain of the present utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. the self-starting dehydrogenation unit with housing comprises housing, reaction bed, it is characterized in that;
Wherein, reaction bed is positioned at housing, and housing is a rectangular structure, has insulation sandwich construction between the outer wall of housing and the inwall;
Have air intake opening and gas outlet on the housing, and access hole;
Wherein the aperture position of gas outlet is arranged near on the sidewall on the housing;
The aperture position of air intake opening is arranged at housing bottom, and its top is a reaction bed;
Air intake opening and gas outlet are respectively arranged with shrouding A and shrouding B, and the outside of shrouding A and shrouding B and housing is connected with the stainless steel chain; Shrouding A and shrouding B shelter from the air intake opening and the gas outlet of housing by the mode of fitting with hull outside, and the outer of shrouding A and shrouding B is respectively greater than the outer of gas outlet and air intake opening;
But reaction bed is the rectangle box body structure that has the pull of handle, and this box body does not have upper plate and base plate, is connected with housing by the reaction bed positioning slide; Vertically hang the catalytic plate of placing sheet in the reaction bed, insert on the catalytic plate location plate on the reaction bed frame, catalytic plate is used to adhere to the catalytic active substance of oxyhydrogen reaction;
Shaking hands to offer access hole on the housing of an end near reaction bed, access hole is provided with shrouding C, and shrouding C has inwall insulation interlayer, shrouding C adopt screw retention on housing with the sealing access hole.
2. according to the described a kind of self-starting dehydrogenation unit of claim 1 with housing, it is characterized in that, described shrouding A and shrouding B adopt fast fusion gold to seal air intake opening and gas outlet in the mode of girth joint, and the welding position of fast fusion gold is positioned at the intersection of shrouding and housing.
3. according to the described a kind of self-starting dehydrogenation unit of claim 1, it is characterized in that described device is vertically placed and made housing bottom be in vacant state with housing.
4. according to the described a kind of self-starting dehydrogenation unit of claim 1, it is characterized in that with housing, when reaction bed need overhaul, pull down shrouding C after, catalytic plate is changed and reaction bed overhauls but reaction bed box body pull carries out to the access hole.
5. according to the described a kind of self-starting dehydrogenation unit with housing of claim 1, it is characterized in that having insulation sandwich construction between the outer wall of described housing and the inwall can be one or more layers, is vacuum or adiabator layer in the insulation interlayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201344969U CN201681635U (en) | 2010-03-18 | 2010-03-18 | Self-starting hydrogen eliminating device with shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201344969U CN201681635U (en) | 2010-03-18 | 2010-03-18 | Self-starting hydrogen eliminating device with shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201681635U true CN201681635U (en) | 2010-12-22 |
Family
ID=43346672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201344969U Expired - Lifetime CN201681635U (en) | 2010-03-18 | 2010-03-18 | Self-starting hydrogen eliminating device with shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201681635U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225705A (en) * | 2015-10-28 | 2016-01-06 | 中国工程物理研究院材料研究所 | There is the non-active hydrogen recombiner and uses thereof of wind-powered electricity generation, thermoelectricity translation function |
| CN106128521A (en) * | 2016-06-23 | 2016-11-16 | 中国船舶重工集团公司第七八研究所 | A kind of self-excitation type hydrogen set composite |
-
2010
- 2010-03-18 CN CN2010201344969U patent/CN201681635U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225705A (en) * | 2015-10-28 | 2016-01-06 | 中国工程物理研究院材料研究所 | There is the non-active hydrogen recombiner and uses thereof of wind-powered electricity generation, thermoelectricity translation function |
| CN106128521A (en) * | 2016-06-23 | 2016-11-16 | 中国船舶重工集团公司第七八研究所 | A kind of self-excitation type hydrogen set composite |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201681634U (en) | Self-running dehydrogenation device provided with breather holes and interlayered housing | |
| EP0980705B1 (en) | Apparatus for removing flammable gas | |
| JP5974520B2 (en) | Power storage device and power storage module | |
| JPH05188196A (en) | Recombination apparatus for hydrogen and oxygen | |
| US7938289B2 (en) | Thermal insulating container for a heat generating unit of a fuel cell system | |
| JP5837981B2 (en) | Improvement for solar collector receiver tube | |
| CN201681635U (en) | Self-starting hydrogen eliminating device with shell | |
| CN209199993U (en) | Cover plate of power battery structure with gas storage function | |
| CN113394672B (en) | High security performance's switch board | |
| CN201681636U (en) | Self-starting dehydrogenation device with shell sandwich layer | |
| CN1123941C (en) | Recombination device for catalytic recombination of hydrogen and oxygen arising in accumulator to form water | |
| CN214589045U (en) | High-energy lithium battery, battery tank comprising same and large-scale energy storage system | |
| JP2016117620A (en) | Hydrogen production apparatus, and hydrogen generating vessel | |
| JP2009162574A (en) | Canister and method for storing radioactive waste | |
| CN202008244U (en) | Heat collecting tube | |
| CN108785896A (en) | Oxygen recovery medicine-chest and oxygen regenerative unit | |
| CN100592866C (en) | Dehumidifier device for rechargeable electronic equipment | |
| CN205050566U (en) | Active hydrogen recombiner of non - with wind -powered electricity generation, Thermoelectric conversion function | |
| JP2012083131A (en) | Liquid metal-cooled nuclear reactor | |
| CN110061279B (en) | Recombination device | |
| JP2010001188A (en) | Hydrogen production apparatus and fuel cell | |
| CN216258877U (en) | Intelligent miniature fire extinguishing module with replaceable material module | |
| CN216934508U (en) | Indoor aerosol fire extinguishing device | |
| CN220400749U (en) | Battery rack and energy storage container module | |
| CN215961900U (en) | Automatic fire extinguishing device for battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101222 |
|
| CX01 | Expiry of patent term |