CN203017606U - Initial oxygen generator of chemical-oxygen self-rescuer - Google Patents
Initial oxygen generator of chemical-oxygen self-rescuer Download PDFInfo
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- CN203017606U CN203017606U CN 201220746925 CN201220746925U CN203017606U CN 203017606 U CN203017606 U CN 203017606U CN 201220746925 CN201220746925 CN 201220746925 CN 201220746925 U CN201220746925 U CN 201220746925U CN 203017606 U CN203017606 U CN 203017606U
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Abstract
The utility model relates to an initial oxygen generator of a chemical-oxygen self-rescuer and belongs to the field of mineral safety and protection devices. The initial oxygen generator is characterized in that one end of a pull ring is arranged outside a start box, and the other end of the pull ring is fixedly connected with a telescopic end of an electric pulse generator which is fixedly formed in the start box and is provided with a positive electrode and a negative electrode; a seal layer is arranged between the electric pulse generator and the bottom of the start box; the bottom of the start box is fixedly connected with the top of an oxygen generation tank, one end of each of two leads is respectively connected with the positive electrode and the negative electrode, the other end of each of the two leads is connected with a pulse ignition head of ignition powder after passing through small holes of the seal layer, the bottom of the start box and the top of the oxygen generation tank; an ignition powder filling cavity is formed on the top of an oxygen generation block in the oxygen generation tank and is used for filling the ignition powder; and a high-temperature-resistant, heat-resistant and flame-retardant material is filled in a space between the oxygen generation powder block and the bottom of the oxygen generation tank; a bulge of an air outlet is formed on the bottom of the oxygen generation tank; and a filtering system can be arranged between the oxygen generation powder block and the bottom of the oxygen generation tank. The initial oxygen generator of the chemical-oxygen self-rescuer, disclosed by the utility model, adopts electric pulse start and utilizes the solid oxygen generation powder block so as to not generate high-pressure gas, not have a sound and open flame, and be safe and reliable in use.
Description
Technical field
The utility model relates to a kind of chemical oxygen self-rescuer initial stage oxygen generator, belongs to mine safety protective gear field.
Background technology
The initial stage oxygen generator is one of critical piece of isolation type chemical-oxygen self-rescuer, a kind of being installed on chemical oxygen self-rescuer, can produce a certain amount of oxygen after startup, oxygen is filled with in the air bag of chemical oxygen self-rescuer, for the device of wearer as the initial stage breathing.At present, known chemical oxygen self-rescuer initial stage oxygen generator has with Types Below: sulfuric acid vial-type initial stage oxygen generator, compressed oxygen small gas cylinder formula initial stage oxygen generator and mechanical impact start formula initial stage oxygen generator.Wherein, sulfuric acid vial-type initial stage oxygen generator mostly is liquid activated, namely by smashing the vial that fills sulfuric acid or other liquid, sulfuric acid or other liquid and oxygen producing reagent chemically reactive are produced oxygen, this initial stage oxygen generator is being deposited, is being existed vial to come off or broken danger in transportation and carrying process, in use also may be because of vial broken the inefficacy; Compressed oxygen small gas cylinder formula initial stage oxygen generator adopts steel high pressure small gas cylinder as the holder of oxygen, gas pressure in described gas cylinder is high, toward the interior oxygen in pot of described gas cylinder and exist high pressure to cause the danger of described gas cylinder explosion or blast in the process of depositing, transporting; Mechanical impact starts formula initial stage oxygen generator and adopts striker to clash into the mode that starts, and clashes into the sparking cap by mechanical striker and starts, and in start-up course, the problems such as naked light greatly, easily appear in sound.
Summary of the invention
Defective for existing chemical oxygen self-rescuer initial stage oxygen generator existence, the purpose of this utility model is to provide a kind of chemical oxygen self-rescuer initial stage oxygen generator, described initial stage oxygen generator adopts electric pulse to start, start-up course without sound, do not produce naked light, can satisfy the requirement that safety of coal mines is used; Adopt solid to produce oxygen medicine piece in described initial stage oxygen generator, safety, reliably in the process such as transport, store, carry; Described initial stage oxygen generator does not in use produce gases at high pressure, does not have the danger that causes explosion or blast.
The purpose of this utility model is achieved through the following technical solutions.
A kind of chemical oxygen self-rescuer initial stage oxygen generator, described initial stage oxygen generator mainly is comprised of startup system and oxygen evolution system.Wherein, described startup system mainly forms by starting box, electric pulse generator, tractive starter, ignition charge and pulse firing head; Oxygen evolution system mainly is comprised of regenerative cartridge, product oxygen medicine piece and fire-resistant heat-insulating flame-proof material.
In the startup system, the tractive starter is draw ring, and draw ring one end is positioned at and starts outside box, and the other end stretches into to start in box and is fixedly connected with the expansion end of electric pulse generator; Electric pulse generator is fixed on and starts in box, establishes positive pole and negative pole on electric pulse generator; The electric pulse generator below is provided with sealant to starting the box bottom inside; Starting the box bottom outside closely is fixedly connected with the regenerative cartridge top outer, one aperture runs through sealant, start box bottom and regenerative cartridge top, two lead-in wires end separately is connected with negative pole with anodal respectively, the other end passes aperture and stretches in regenerative cartridge separately, is connected with the pulse firing head that is arranged in the regenerative cartridge ignition charge.
In oxygen evolution system, be provided with in regenerative cartridge and produce oxygen medicine piece, produce oxygen medicine piece top and be provided with an ignition charge filling chamber filling ignition charge; Produce the space fire-resistant heat-insulating flame-proof Material Filling between oxygen medicine piece and regenerative cartridge, ignition charge is fixed on ignition charge loads in the chamber, will produce simultaneously oxygen medicine piece and be fixed in regenerative cartridge; One projection is arranged at the regenerative cartridge bottom, sets out gas port on projection.
In the startup system, ignition charge is the conventional ignition charge that uses in this area, can be magnesium aluminum-alloy powder, thermite, boron and mixture of potassium nitrate or aluminium and potassium permanganate mixture;
Sealant can be fluid sealant and forms;
It is collapsible that preferred tractive starter stretches out the outer end of startup box, to reduce the volume of described initial stage oxygen generator; The tractive starter can mainly be comprised of draw ring, pulling-on piece and annulus, and pulling-on piece is enclosed within draw ring and stretches out the outer end of startup box, is flexibly connected with draw ring, and pulling-on piece is provided with circular hole, and annulus passes circular hole and pulling-on piece is flexibly connected.
In oxygen evolution system, producing oxygen medicine piece is the conventional product oxygen medicine piece that uses in this area; Produce oxygen medicine piece and can be mixed with the fuel powder by sodium chlorate and make, the fuel powder can be iron powder, magnesium powder etc.;
The fire-resistant heat-insulating flame-proof material can be one or more in ceramic wool, ceramic heat-insulating cushion or mica sheet and mix to use, as it tightly being filled in ignition charge filling chamber establishing ceramic wool above ignition charge; If ceramic heat-insulating cushion is filled the space of producing between oxygen medicine piece two ends and regenerative cartridge; If mica sheet is wrapped in the space of producing between filling product oxygen medicine piece side, oxygen medicine piece side and regenerative cartridge.
Between preferred product oxygen medicine piece bottom and regenerative cartridge, the gap arranges filtration system; Described filtration system can mainly be comprised of solid particle medicament filter course, copper mesh and ceramic wool filter course; Solid particle medicament filter course is located at and produces below, oxygen medicine piece bottom, copper mesh is located at below solid particle medicament filter course, and the ceramic wool filter course is located at below copper mesh, with the regenerative cartridge bottom connection;
Wherein, described solid particle medicament filter course is the conventional purification of using in this area with solid particle medicament filter course, as soda lime particle filtering layer etc.;
Described filtration system can play fire-resistant heat-insulating flame-proof, the fire-resistant heat-insulating flame-proof material of the gap between alternative product oxygen medicine piece lower end and regenerative cartridge.
Preferred startup box, regenerative cartridge are stainless steel material; Start box, start lid, regenerative cartridge and regenerative cartridge gas outlet can adopt split-type design, between each several part with being welded and fixed connection.
Described initial stage oxygen generator is connected with chemical oxygen self-rescuer by the regenerative cartridge bottom protrusion, pull draw ring during work, driving the electric pulse generator telescopic end that starts in box moves, make electric pulse generator produce electric pulse, electric pulse reaches the pulse firing head by lead-in wire, starting impulse igniter head igniting point of ignition gunpowder, ignition charge causes that producing the thermal decomposition of oxygen medicine piece produces oxygen, the oxygen that produces is expelled in chemical oxygen self-rescuer from the gas outlet, or system is expelled in chemical oxygen self-rescuer after filtering layer by layer after filtration.
Beneficial effect
1. the utility model provides a kind of chemical oxygen self-rescuer initial stage oxygen generator, and described initial stage oxygen generator only needs the user to pull draw ring, can start by electric pulse to produce oxygen, start-up course is without sound, do not produce naked light, simple, quick, safety, reliable can satisfy the requirement of coal mine explosion-proof;
2. the utility model provides a kind of chemical oxygen self-rescuer initial stage oxygen generator, described initial stage oxygen generator is by high temperature insulating fire proofing around producing oxygen medicine piece and in installing up and down, can reduce the regenerative cartridge skin temperature, make skin temperature can satisfy the requirement of coal mine explosion-proof;
3. the utility model provides a kind of chemical oxygen self-rescuer initial stage oxygen generator, and described initial stage oxygen generator adopts the thermal decomposition of solid medicine piece to produce oxygen, just start when in use to produce oxygen, deposit, in transportation, carrying process; Do not produce pressure, do not have the danger that causes explosion or blast;
4. the utility model provides a kind of chemical oxygen self-rescuer initial stage oxygen generator, and described initial stage oxygen generator arranges filtration system, by the purification of solid particle medicament filter course and ceramic wool filter course, makes the oxygen of generation can satisfy the requirement that personnel breathe use;
5. the utility model provides a kind of chemical oxygen self-rescuer initial stage oxygen generator, described initial stage oxygen generator can adopt stainless steel to make housing, starts box, start the parts such as lid and gas outlet, adopt between each parts and be welded to connect, make the initial stage oxygen generator more solid, depositing, can not being out of shape and breaking in transportation, carrying process, more safe and reliable.
Description of drawings
Fig. 1 is the stereogram of chemical oxygen self-rescuer initial stage oxygen generator in embodiment.
Fig. 2 is the stereogram of chemical oxygen self-rescuer initial stage oxygen generator in embodiment.
Fig. 3 is the cutaway view of the chemical oxygen self-rescuer initial stage oxygen generator in embodiment.
In figure, 1-startup box, 2-electric pulse generator, 3-draw ring, 4-pulling-on piece, 5-annulus, 6-sealant, 7-ignition charge, 8-pulse firing head, 9-regenerative cartridge, 10-product oxygen medicine piece, 11-ceramic wool, 12-ceramic heat-insulating cushion, 13-mica sheet, 14-gas outlet, 15-solid particle medicament filter course, 16-copper mesh, 17-ceramic wool filter course.
The specific embodiment
Below in conjunction with drawings and Examples, preferred embodiment of the present utility model is described in further detail.
As Fig. 1, Fig. 2 and shown in Figure 3, the present embodiment provides a kind of chemical oxygen self-rescuer initial stage oxygen generator, and described initial stage oxygen generator mainly is comprised of startup system, oxygen evolution system and filtration system.Wherein, described startup system mainly forms by starting box 1, electric pulse generator 2, tractive starter, ignition charge 7 and pulse firing 8; Oxygen evolution system mainly is comprised of regenerative cartridge 9, product oxygen medicine piece 10 and fire-resistant heat-insulating flame-proof material; Filtration system is comprised of solid particle medicament filter course 15, copper mesh 16 and ceramic wool filter course 17.
In the startup system, the tractive starter is comprised of steel wire draw ring 3, pulling-on piece 4 and annulus 5, draw ring 3 one ends are positioned at outside the rectangular-shaped startup box 1 of stainless steel, pulling-on piece 4 covers thereon, be flexibly connected with draw ring 3, pulling-on piece 4 is provided with circular hole, and annulus 5 passes circular hole and pulling-on piece 4 is flexibly connected, draw ring 3 other ends stretch into to start in box 1 and are fixedly connected with the expansion end of electric pulse generator 2, and the stainless steel lid that starts box 1 is welded on the box body top that starts box 1; Electric pulse generator 2 is fixed on and starts in box 1, establishes positive pole and negative pole on electric pulse generator 2; Electric pulse generator 2 belows are provided with to starting box 1 bottom inside the sealant 6 that fluid sealant forms; Starting box 1 bottom outside tightly is fixedly connected with by spot welding with stainless steel rounding column regenerative cartridge 9 top outer, one aperture runs through sealant 6, start box 1 bottom and regenerative cartridge 9 tops, two lead-in wires end separately is connected with negative pole with anodal respectively, the other end passes aperture and stretches in regenerative cartridge 9 separately, is connected with the pulse firing that is arranged in regenerative cartridge 9 ignition charges 78;
Wherein, described electric pulse generator 2 is the 1.5V DC piezoelectrics that the state-run piezoelectric ceramics of Cixi City factory produces, or the piezoelectron that Electric Applicance Co., Ltd produces must be thought in Shanghai; Ignition charge 7 is magnesium aluminum-alloy powder, thermite, boron and mixture of potassium nitrate or aluminium and potassium permanganate mixture.
In oxygen evolution system, be provided with in regenerative cartridge 9 and produce oxygen medicine piece 10, produce oxygen medicine piece 10 tops and be provided with an ignition charge filling chamber filling ignition charge 7, ignition charge 7 tops are established ceramic wool 11 the tight plug of ignition charge 7 are fixed in ignition charge filling chamber; Ceramic heat-insulating cushion 12 is filled the space of producing between oxygen medicine piece 10 tops and regenerative cartridge 9; Mica sheet 13 is wrapped in the space of producing between oxygen medicine piece 10 filling product oxygen medicine piece 10 sides, sides and regenerative cartridge 9; Be fixedly connected with the tank body of regenerative cartridge 9 by welding bottom the stainless steel of regenerative cartridge 9, a cylindrical bump is arranged on the bottom, establish a circular gas outlet 14 on projection;
Wherein, described product oxygen medicine piece 10 is mixed with iron powder by sodium chlorate and makes.
Filtration system is arranged on produces gap between oxygen medicine piece 10 bottoms and regenerative cartridge 9, and ceramic heat-insulating cushion 12, mica sheet 13 and filtration system will be produced oxygen medicine piece 10 and be fixed in regenerative cartridge 9; Wherein, solid particle medicament filter course 15 is located at and produces oxygen medicine piece 10 belows, bottoms, copper mesh 16 and be located at solid particle medicament filter course 15 belows, and ceramic wool filter course 17 is located at copper mesh 16 belows, with regenerative cartridge 9 bottom connections;
Wherein, described solid particle medicament filter course 15 is soda lime particle filtering layer.
described initial stage oxygen generator is connected with chemical oxygen self-rescuer by regenerative cartridge 9 bottom protrusion, pull annulus 5 during work, drive pulling-on piece 4 and steel wire draw ring 3, driving electric pulse generator 2 telescopic ends that start in box 1 moves, make electric pulse generator 2 produce electric pulse, electric pulse reaches pulse firing 8 by lead-in wire, starting impulse igniter head 8 igniting point of ignition gunpowder 7, ignition charge 7 causes that producing 10 thermal decompositions of oxygen medicine piece produces oxygen, the oxygen that produces is through solid particle medicament filter course 15, again through after copper mesh 16 and 17 filtrations of ceramic wool filter course, 14 are expelled to chemical oxygen self-rescuer from the gas outlet.
The utility model includes but not limited to above embodiment, and every any being equal to of carrying out under spirit of the present utility model and principle replaces or local improvement, all will be considered as within protection domain of the present utility model.
Claims (10)
1. chemical oxygen self-rescuer initial stage oxygen generator, described initial stage oxygen generator is comprised of startup system and oxygen evolution system, it is characterized in that: the startup system mainly forms by starting box (1), electric pulse generator (2), tractive starter, ignition charge (7) and pulse firing head (8); Oxygen evolution system mainly is comprised of regenerative cartridge (9), product oxygen medicine piece (10) and fire-resistant heat-insulating flame-proof material;
In the startup system, tractive starter draw ring (3) one ends are positioned at and start outside box (1), and other end electric pulse generator (2) expansion end interior with being fixed on startup box (1) is fixedly connected with; Electric pulse generator is established positive and negative electrode on (2); Electric pulse generator (2) below is provided with sealant (6) to starting between box (1) bottom; Starting box (1) bottom outside closely is fixedly connected with regenerative cartridge (9) top outer, one aperture runs through sealant (6), start box (1) bottom and regenerative cartridge (9) top, two lead-in wires end separately are connected with positive and negative electrode respectively, the other end passes aperture and stretches in regenerative cartridge (9), is connected with pulse firing head (8) in ignition charge (7);
In oxygen evolution system, product oxygen medicine piece (10) top in regenerative cartridge (9) is provided with an ignition charge filling chamber filling ignition charge (7); Produce space fire-resistant heat-insulating flame-proof Material Filling between oxygen medicine piece (10) and regenerative cartridge (9), ignition charge (7) is fixed on ignition charge loads in the chamber, will produce simultaneously oxygen medicine piece (10) and be fixed in regenerative cartridge (9); One projection is arranged at regenerative cartridge (9) bottom, sets out gas port (14) on projection.
2. according to claim 1 or described a kind of chemical oxygen self-rescuer initial stage oxygen generator, it is characterized in that: sealant (6) is by forming for fluid sealant.
3. a kind of chemical oxygen self-rescuer initial stage oxygen generator according to claim 1 is characterized in that: the tractive starter stretches out that to start the outer end of box (1) collapsible.
4. a kind of chemical oxygen self-rescuer initial stage oxygen generator according to claim 1, it is characterized in that: the tractive starter is comprised of draw ring (3), pulling-on piece (4) and annulus (5), pulling-on piece (4) is enclosed within draw ring (3) and stretches out the outer end of startup box (1), be flexibly connected with draw ring (3), pulling-on piece (4) is provided with circular hole, and annulus (5) passes circular hole and pulling-on piece (4) is flexibly connected.
5. a kind of chemical oxygen self-rescuer initial stage oxygen generator according to claim 1, is characterized in that: produce oxygen medicine piece (10) and be sodium chlorate and fuel powder mixture.
6. a kind of chemical oxygen self-rescuer initial stage oxygen generator according to claim 1 is characterized in that: the fire-resistant heat-insulating flame-proof material is that one or more in ceramic wool (11), ceramic heat-insulating cushion (12) or mica sheet (13) mix and use.
7. a kind of chemical oxygen self-rescuer initial stage oxygen generator according to claim 1 is characterized in that: establish ceramic wool (11) ignition charge (7) is tightly filled in ignition charge filling chamber; If ceramic heat-insulating cushion (12) is filled the space of producing between oxygen medicine piece (10) two ends and regenerative cartridge (9); If mica sheet (13) is wrapped in the space of producing between filling product oxygen medicine piece (10) side, oxygen medicine piece (10) side and regenerative cartridge (9).
8. the described a kind of chemical oxygen self-rescuer initial stage oxygen generator of according to claim 1～7 any one is characterized in that: produce that between oxygen medicine piece (10) bottom and regenerative cartridge (9), the gap arranges filtration system.
9. a kind of chemical oxygen self-rescuer initial stage oxygen generator according to claim 8, it is characterized in that: filtration system is comprised of solid particle medicament filter course (15), copper mesh (16) and ceramic wool filter course (17), solid particle medicament filter course (15) is located at and produces below, oxygen medicine piece (10) bottom, copper mesh (16) is located at below solid particle medicament filter course (15), ceramic wool filter course (17) is located at below copper mesh (16), with regenerative cartridge (9) bottom connection.
10. a kind of chemical oxygen self-rescuer initial stage oxygen generator according to claim 9, it is characterized in that: described solid particle medicament filter course (15) is soda lime particle filtering layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220746925 CN203017606U (en) | 2012-12-28 | 2012-12-28 | Initial oxygen generator of chemical-oxygen self-rescuer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220746925 CN203017606U (en) | 2012-12-28 | 2012-12-28 | Initial oxygen generator of chemical-oxygen self-rescuer |
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| CN203017606U true CN203017606U (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220746925 Expired - Lifetime CN203017606U (en) | 2012-12-28 | 2012-12-28 | Initial oxygen generator of chemical-oxygen self-rescuer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109534294A (en) * | 2018-12-20 | 2019-03-29 | 湖北航天化学技术研究所 | A kind of passive replaceable solid oxygen generator |
| CN112960651A (en) * | 2021-04-07 | 2021-06-15 | 中国船舶重工集团公司第七一八研究所 | Chemical oxygen generator with gas circuit and medicine core fixing structure |
-
2012
- 2012-12-28 CN CN 201220746925 patent/CN203017606U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109534294A (en) * | 2018-12-20 | 2019-03-29 | 湖北航天化学技术研究所 | A kind of passive replaceable solid oxygen generator |
| CN112960651A (en) * | 2021-04-07 | 2021-06-15 | 中国船舶重工集团公司第七一八研究所 | Chemical oxygen generator with gas circuit and medicine core fixing structure |
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| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130626 |