CN102230389A - Dust explosion suppression device - Google Patents

Dust explosion suppression device Download PDF

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Publication number
CN102230389A
CN102230389A CN2011101492739A CN201110149273A CN102230389A CN 102230389 A CN102230389 A CN 102230389A CN 2011101492739 A CN2011101492739 A CN 2011101492739A CN 201110149273 A CN201110149273 A CN 201110149273A CN 102230389 A CN102230389 A CN 102230389A
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China
Prior art keywords
tank body
seat
nozzle
suppression device
igniter
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CN2011101492739A
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CN102230389B (en
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沈国平
朱金权
王敏珠
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JIANGSU HUAKAI MINING TECHNOLOGY CO LTD
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JIANGSU HUAKAI MINING TECHNOLOGY CO LTD
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Priority to CN2011101492739A priority Critical patent/CN102230389B/en
Publication of CN102230389A publication Critical patent/CN102230389A/en
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Publication of CN102230389B publication Critical patent/CN102230389B/en
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Abstract

The invention discloses a dust explosion suppression device, belonging to the technical field of mine safety facilities. The dust explosion suppression device comprises a tank body, a tail cover, an adaptive seat, a nozzle, a seal disc, a gas generation mechanism and an ignition mechanism, wherein the tank body is provided with a powder extinguishing agent storage cavity; the tail cover is configured on the port part of one end of the tank body; the adaptive seat is arranged in the center of the tail cover and faces to one side of the powder extinguishing agent storage cavity; the nozzle is configured on the port part of the other end of the tank body and is gradually expanded from the tank body to the direction far away from the tank body to form a trumpet shape; the seal disc is arranged in a film disc cavity on the tank body; the gas generation mechanism is positioned in the powder extinguishing agent storage cavity and is fixed with the adaptive seat; and the ignition mechanism is also adaptive with the gas generation mechanism. The dust explosion suppression device is characterized by also comprising a moving rack; one end facing to the nozzle, of the moving rack is provided with a lifting regulation mechanism; the lifting regulation mechanism is connected with the tank body or the nozzle; and the tail cover is connected with the pivot of the moving rack. The dust explosion suppression device has the advantages that in-field setting requirements can be satisfied, the dust explosion suppression device has ideal maneuverability, idle and waste device resources can be prevented, an injection area can be enlarged, and gas and/ or dust explosion flame can be quickly put out.

Description

The dust explosion explosion suppression device
Technical field
The invention belongs to the coalmining safety facility technical field, be specifically related to a kind of dust explosion explosion suppression device, be mainly used in and suppress the Mine Dust blast, the industry that also can be used for such as flour, wood powder and fine chemistry industry suppresses dust explosion
Background technology
According to the fire-fighting requirement, the occasion that exemplifies on be not limited to must be equipped with such as portable dry powder fire extinguisher and handcart-type powder fire extinguisher and corresponding sprinkling fire-distinguishing apparatus, but because these facilities all need manual operation, therefore tend to miss an opportunity because of a delay, and slow in one's movements, be not enough to the security of the lives and property is fully ensured.
Technical information about the dust explosion explosion suppression device, existing being seen in disclosed Chinese patent literature, as the novel license notification number of practicality CN201277056Y(elastic energy storing style gas, dust explosion explosion suppression device), there is following shortcoming at least in this patent scheme: the one, and nozzle arrangements is lost reasonability, cause the extinguishing chemical of ejection to be the column tendency, it is limited promptly to spray area coverage; The 2nd, the mobility shortcoming is installed comparatively trouble in the field of employment; The 3rd, tank body can't be according to needing adjustment together with the angle of nozzle.
The air-generating explosion suppressor that CN201578778U recommends is for CN201277056Y, and structure of nozzle is comparatively reasonable, forms horn-likely, for enlarging jet face achievement is arranged, but to put in order property be its deficiency to the adjustable angle that does not have mobility and a tank body.
The nozzle of fuel gas and dust that CN201211404Y provides blast explosion suppression device is opposite with CN201578778U, can make the ultimate attainment expansion of coverage rate of spray fire extinguishing agent, yet tank body can't change and cause using the bad adaptability at scene together with the angle of nozzle is its shortcoming.In addition,, for example in the time will installing, tend to be puzzled with moving, comparatively trouble promptly is installed owing to do not have mobility.
In view of above-mentioned prior art, be necessary to be improved, for this reason, the applicant has done useful exploration and actual trial, and technical scheme described below produces under this background
Summary of the invention
Task of the present invention is to provide a kind of and helps to make tank body to use according to needing to change to satisfy to use together with the angle of nozzle on-the-spot requirements to be set, to help moving easily from one and use to another place and use and embody desirable mobility and avoid causing the equipment wasting of resources because of leaving unused and be of value to the guarantee nozzle having desirable projected area and using the dust explosion explosion suppression device that puts out gas and/or dust explosion flame effectively quickly and guarantee the security of the lives and property.
Task of the present invention is finished like this, and a kind of dust explosion explosion suppression device comprises the tank body with powder extinguishing agent storage chamber; Be configured in tank body an end port position be used for a tail-hood to powder extinguishing agent storage chamber sealing, have a matching seat in the central authorities of this tail-hood and towards a side of described powder extinguishing agent storage chamber; Be configured in an other end port position and nozzle that communicate with described powder extinguishing agent storage chamber of tank body, this nozzle enlarges gradually and is horn-like towards the direction away from tank body from tank body; One is used for implementing isolated seal disc between described powder extinguishing agent storage chamber and the described nozzle, and the sealing dish is arranged in the thin film disk chamber on the tank body; One aerogenesis mechanism, this aerogenesis mechanism is positioned at described powder extinguishing agent storage chamber, communicates with the powder extinguishing agent storage chamber, and fixes with described matching seat; One with the fixing ignition mechanism of the central authorities of described tail-hood, this ignition mechanism is also matched with described aerogenesis mechanism; Be characterised in that also to include a movable stand, be provided with a lifting regulating mechanism on this movable stand and towards an end of described nozzle, this lifting regulating mechanism is connected with described tank body or with described nozzle, and described tail-hood and movable stand are pivotally connected.
In a specific embodiment of the present invention, the shape of described tank body is cylindric, end port position at this tank body constitutes one first tank flange, the described tail-hood and first tank flange are fixed, other end port position at tank body constitutes one second tank flange, described seal disc chamber is formed on second tank flange, described nozzle constitutes a nozzle flange towards an end of tank body, this nozzle flange and second tank flange are fixed, and the degree of depth in described seal disc chamber and the thickness of described seal disc are suitable.
In another specific embodiment of the present invention, described seal disc is embedded with a sealing ring in the chamber, and described seal disc pastes mutually with sealing ring and touches.
In another specific embodiment of the present invention, described seal disc comprises film retainer plate, sealing film and retainer ring, the outer wall of the circumferencial direction of film retainer plate constitutes the embedding film groove that a cross sectional shape takes the shape of the letter U, sealing film is corresponding to the film retainer plate, and the edge of sealing film is embedded in the described embedding film groove, retainer ring places in the embedding film groove, and the edge of sealing film is fixed.
In another specific embodiment of the present invention, described nozzle is made of the conical shell that forms nestable relation each other of a plurality of each intervals, constitute a spray road between the adjacent conical cylindrical shell, and offer spray orifice on the tube end plate of the bottom of the conical shell that is positioned at central authorities in a plurality of conical shells, and connect by the interval gusset between all the other conical shells.
Also have in the specific embodiment of the present invention, described aerogenesis mechanism comprises gas generator case and aerogenesis jar, the gas generator case is connected with the described matching seat that is positioned at the central authorities of tail-hood, and on this gas generator case, offer the bleeder port that communicates with described powder extinguishing agent storage chamber, the aerogenesis jar is connected with described ignition mechanism, in the jar chamber of this aerogenesis jar, be filled with gas generating agent, and offer the venthole that communicates with the shell chamber of gas generator case on the end face of the top of aerogenesis jar, described matching seat has matching seat internal thread and matching seat external screw thread.
More of the present invention and in specific embodiment, described ignition mechanism comprises the guard shield shell, the igniter seat, igniter and igniter, the outer wall of igniter seat is provided with first external screw thread, this first external screw thread matches with described matching seat internal thread, constitute an aerogenesis jar at the igniter seat towards an end of described aerogenesis mechanism and connect boss, this aerogenesis jar connects boss and is connected with described aerogenesis jar, igniter is fixed on the guard shield shell and with igniter and is electrically connected, and igniter is fixed in the igniter seat, the ignition mouth of this igniter communicates with described jar of chamber, guard shield shell and described tail-hood are fixed, and described igniter is connected with the controller electrical control of being furnished with battery by circuit.
In of the present invention and then specific embodiment, be fixed with a pair of movable stand hinged seat on the described tail-hood, each is pivotally connected by bearing pin and described movable stand to the movable stand hinged seat for this.
Of the present invention again more and in specific embodiment, described lifting regulating mechanism comprises nut casing, adjusting nut, adjusting screw(rod) and adjustment seat, the nut casing pivot is arranged on the casing seat, casing seat is fixed on the described movable stand, adjusting nut and nut casing are matched, match with adjusting nut in the lower end of adjusting screw(rod), and are stretched in the nut casing, the upper end of adjustment seat and adjusting screw(rod) is hinged, and this adjustment seat is connected with described tank body or with described nozzle.
In again of the present invention and then specific embodiment, the bottom of described movable stand has a pair of parallel bottom girder, and the end, two ends of each bottom girder is upturned, and offers towing pad at the position of each perk.
Therefore the technical scheme that the present invention recommends is regulated the inclination angle of tank body or nozzle by lifting regulating mechanism owing to set up movable stand and be provided with lifting regulating mechanism on movable stand, uses the on-the-spot requirement that is provided with to satisfy; Movable stand can move together with tank body, has desirable mobility, avoids the waste of equipment resources idle; Abducent loudspeaker structure can increase jet face in nozzle was served as reasons, and gas and/or the victory of dust explosion flame speed are put out.
Description of drawings
Fig. 1 is the embodiments of the invention structure chart.
Fig. 2 is an application examples schematic diagram of the present invention.
The specific embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, the applicant general elaborates in the mode of embodiment below, but to the description of embodiment all is not restriction to the present invention program, any according to the present invention's design done only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
Embodiment:
Please be referring to Fig. 1, provided the tank body 1 that shape is cylinder, this tank body 1 has a powder extinguishing agent storage chamber 11, holds powder extinguishing agent in the powder extinguishing agent storage chamber 11.With present location status shown in Figure 1 is example (as follows), end at tank body 1 is that the left end port position is provided with one first tank flange 13 to extending out, the spaced apart first fixedly connected hole 131 that is provided with on first tank flange 13, the other end at tank body 1 is that the right-hand member port position is provided with one second tank flange 14 to extending out, the spaced apart second fixedly connected hole 141 that is provided with on this second tank flange 14, and constitute a seal disc chamber 12 in the inboard of second tank flange 14, on seal disc chamber 12, be embedded with a sealing ring 121.
One tail-hood 2 is configured in the left end port position of tank body 1, be used for 11 sealings of powder extinguishing agent storage chamber, specifically: in the edge of tail-hood 2 and offering the 3rd fixedly connected hole 24 that quantity equates with the quantity in the first fixedly connected hole 131 corresponding to the location interval in the aforesaid first fixedly connected hole 131, insert the 3rd fixedly connected hole 24 by tail-hood hold-down screw 241 and fixedly connected hole 131 with first and fix.The central authorities of tail-hood 2 have a resigning hole 22, constitute a matching seat 21 at tail-hood 2 towards a side of powder extinguishing agent storage chamber 11 and around resigning hole 22, and the inwall of matching seat 21 has matching seat internal thread 211, and outer wall has matching seat external screw thread 212.Again, because the movable stand 7 that also will describe in detail below technical scheme provided by the invention has additional, therefore, preferably the mode with welding is fixed with a pair of movable stand hinged seat 23 on tail-hood 2, and each movable stand hinged seat 23 usefulness bearing pin 231 is connected (also can claim hinged) with the upper pivot of the left end of movable stand 7.
Nozzle 3 connects with the other end port position of tank body 1, promptly the right-hand member port position with tank body 3 connects, shown in figure, nozzle 3 enlarges gradually and forms horn-like towards the direction away from tank body 1 from tank body 1, this shape can enlarge projected area ultimate attainmently, and the naked light destruction that will be caused by gas such as gas and/or dust is in bud.In the present embodiment, nozzle 3 (is aforesaid a plurality of by four, but not being subjected to the restriction of this quantity) conical shell 32 constitutes jointly, form nestable relation each other, space between the adjacent conical cylindrical shell 32 constitutes spray road 321, and the gusset 33 with one group of each interval between the adjacent conical cylindrical shell 32 connects.Wherein: tube end plate 322 upper sheds of the conical shell 32 that occupy central authorities in these four conical shells 32 are provided with and promptly are distributed with spray orifice 3221; And be fixed with a nozzle flange 31 on the conical shell 32 of ragged edge, the spaced apart nozzle flange fixing hole 311 that is provided with on nozzle flange 31, by nozzle flange hold-down screw 3111 in that fixedly connected hole 141 with aforesaid second corresponding to the position of nozzle flange fixing hole 311 fixing.
In order to ensure under non-initiate mode, aforesaid powder extinguishing agent storage chamber 11 and nozzle 3 being isolated, therefore in aforesaid seal disc chamber 12, be provided with a seal disc 4, preferred but not the structure of the seal disc 4 that absolute value is limited to is as follows: as to comprise film retainer plate 41, sealing film 42(also can claim barrier film) and retainer ring 43, film retainer plate 4 is the circulus of no end points, outer wall at this film retainer plate 4 is formed with the embedding film groove 411 that shape of cross section takes the shape of the letter U, 41 sealings of 42 pairs of film retainer plates of sealing film, and the edge of sealing film 42 upset (i.e. turnover) is in aforesaid embedding film groove 411, retainer ring 43 preferred nylon cable tie or the steel wires of using, in embedding film groove 411 that the edge system of sealing film 42 is solid.Just contact with aforesaid sealing ring 121 after in whole seal disc 4 is presented to aforesaid seal disc chamber 12, so that guarantee sealing effectiveness.Undoubtedly, the thickness of the degree of depth in seal disc chamber 12 and seal disc 4 be suitable for mutually should, when nozzle flange 31 and second tank flange 14 fix, just therebetween with seal disc 4 reliable clampings.
Please continue to see Fig. 1, preferably but not the aerogenesis mechanism 5 that definitely is limited to comprises gas generator case 51 and aerogenesis jar 52, gas generator case 51 offers a plurality of bleeder ports 511 on the wall body of tail-hood 2 one ends, and design on the inwall of an end of the matching seat 21 of tail-hood 2 at gas generator case 51 and to connect internal thread 513, connect internal thread 513 and aforesaid matching seat external screw thread 212 threaded engagement.Aerogenesis jar 52 is positioned at the shell chamber 512 of gas generator case 51, and this aerogenesis jar 52 designs on the inwall of an end of matching seat 21 internal thread 523 of connection, and this connects internal thread 523 and is connected with the following ignition mechanism 6 that is about to describe.The other end of aerogenesis jar 52 promptly illustrates on the end face of right-hand member and is distributed with one group of venthole 522, and venthole 522 communicates with shell chamber 512, and shell chamber 512 communicates with powder extinguishing agent storage chamber 11 by bleeder port 511.In the jar chamber 521 of aerogenesis jar 52, charged into gas generating agent (being gas-forming agent), gas generating agent belongs to known technology (can referring to the 0028th section of CN201578778U Instructions Page 2), and on mining fire distinguisher, widely use, so the applicant is no longer given unnecessary details.
The preferred construction of aforesaid ignition mechanism 6 is: comprise guard shield shell 61, igniter seat 62, igniter 63 and igniter 64, igniter seat 62 connects by first external screw thread 621 of its outer wall and matching seat internal thread 211 screw threads of aforesaid matching seat 21, extend towards an end of aforesaid aerogenesis jar 52 at igniter seat 62 and to constitute an aerogenesis jar and connect boss 622, the aerogenesis jar connects second external screw thread 6221 and aforesaid internal thread 523 threaded engagement that are connected on the boss 622.Igniter 63 is fixed on the guard shield shell 61, be electrically connected (Fig. 2 shows) by lead 631 and the controller 9 of being furnished with battery 91, and be electrically connected with igniter 64, igniter 64 is fixed on the central authorities of igniter seat 62, and the ignition mouth 641(of this igniter 64 is a bocca) probe in jar chamber 521.Guard shield shell 61 is fixing with tail-hood 2 by screw 611.
Still see Fig. 1, provided preferred movable stand 7, an end of aforesaid tank body 1 is that left end passes through movable stand hinged seat 23 on the tail-hood 2 and pivotally connected on movable stand 7, certainly, if hinged seat 23 is transferred on the first can flange 13 of tank body 1, so undoubtedly belong to equivalence and replace.Shown in figure, the bottom of movable stand 7 has a pair of parallel bottom girder 71, and the end, two ends of a pair of bottom girder 71 respectively is upturned, and offers a towing pad 711 at each perk position, so that pull rope or similar connection cord are set when mobile.
Right-hand member at movable stand 7 promptly disposes a lifting regulating mechanism 8 towards an end of nozzle 3, this lifting regulating mechanism 8 comprises nut casing 81, adjusting nut 82, adjusting screw(rod) 83 and adjustment seat 84, the bottom of nut casing 81 is hinged on the casing seat 811 with swivel pin 812, and casing seat 811 is fixed on the position placed in the middle of the right-hand member of movable stand 7.Adjusting nut 82 connects with nut casing 81, and can be by dog screw 821 location.Match with adjusting nut 82 and be stretched in the nut casing 81 in the lower end of adjusting screw(rod) 83, adjustment seat 84 is hinged with the upper end of adjusting screw(rod) 83 by bearing pin screw 841, and this adjustment seat 84 also is connected with aforesaid nozzle flange 31 by attachment screw 842.Certainly, if attachment screw 842 is connected with aforesaid second tank flange 14, will be understood that so equivalence substitutes.
Application examples:
Ask for an interview Fig. 2 and continuation in conjunction with Fig. 1, the field of employment with the present invention of the foregoing description structure is disposed at the colliery is connected by electric wiring flame sensor 10 with controller 9.When mounted, when will be to nozzle 3 when the angle of (being downwards the limit with the level) adjusts up or down, so as long as suitable/counterclockwise turn adjusting nut 82, drive adjusting screw(rod) 83 protruding or inside retraction in the tube chamber of nut casing 81 by adjusting nut 82, when adjusting screw(rod) 83 stretches upwards, then drive adjustment seat 84, and then drive nozzles 3 and upwards lift together with the right-hand member of tank body 1 by adjustment seat 84, vice versa, until making nozzle 3 reach required angle requirement.
When causing kindling material (during naked light) by dust, take the lead in by flame sensor 10 perception, give controller 9 by flame sensor 10 with signal feedback, make igniter 63 work, be igniter 63 igniting, and then by igniter 64 ignitions, making the gas generating agent in jar chamber 521 is the gas-forming agent fast chemical reaction, the gaseous products that promptly discharges of speed from venthole 522 through shell chamber 512, and then let out to powder extinguishing agent storage chamber 11 through bleeder port 511, pressure momentariness in this moment powder extinguishing agent storage chamber 11 breaks through the sealing film 42 of seal disc 4, and the powder extinguishing agent in the powder extinguishing agent storage chamber 11 is just spouting from the spray road 321 of nozzle 3 and spray orifice 3221, implements fire extinguishing.
In sum, the present invention has finished the invention task, has reached goal of the invention, is a good technical scheme

Claims (10)

1. a dust explosion explosion suppression device comprises the tank body (1) with powder extinguishing agent storage chamber (11); Be configured in tank body (1) an end port position be used for a tail-hood (2) to powder extinguishing agent storage chamber (11) sealing, have a matching seat (21) in the central authorities of this tail-hood (2) and towards a side of described powder extinguishing agent storage chamber (11); Be configured in an other end port position and nozzle (3) that communicate with described powder extinguishing agent storage chamber (11) of tank body (1), this nozzle (3) enlarges gradually and is horn-like towards the direction away from tank body (1) from tank body (1); One is used for implementing isolated seal disc (4) between described powder extinguishing agent storage chamber (11) and the described nozzle (3), and sealing dish (4) is arranged in the thin film disk chamber (12) on the tank body (1); One aerogenesis mechanism (5), this aerogenesis mechanism (5) is positioned at described powder extinguishing agent storage chamber (11), communicates with powder extinguishing agent storage chamber (11), and fixing with described matching seat (21); One with the fixing ignition mechanism (6) of the central authorities of described tail-hood (2), this ignition mechanism (6) is also matched with described aerogenesis mechanism (5); It is characterized in that also including a movable stand (7), go up and be provided with a lifting regulating mechanism (8) at this movable stand (7) towards an end of described nozzle (3), this lifting regulating mechanism (8) is connected with described tank body (1) or with described nozzle (3), and described tail-hood (2) is pivotally connected with movable stand (7).
2. dust explosion explosion suppression device according to claim 1, the shape that it is characterized in that described tank body (1) is cylindric, end port position at this tank body (1) constitutes one first tank flange (13), described tail-hood (2) is fixing with first tank flange (13), other end port position at tank body (1) constitutes one second tank flange (14), described seal disc chamber (12) is formed on second tank flange (14), described nozzle (3) constitutes a nozzle flange (31) towards an end of tank body (1), this nozzle flange (31) is fixing with second tank flange (14), and the thickness of the degree of depth in described seal disc chamber (12) and described seal disc (4) is suitable.
3. dust explosion explosion suppression device according to claim 2 is characterized in that being embedded with in the described seal disc chamber (12) sealing ring (121), and described seal disc (4) pastes mutually with sealing ring (121) and touches.
4. according to claim 1 or 2 or 3 described dust explosion explosion suppression devices, it is characterized in that described seal disc (4) comprises film retainer plate (41), sealing film (42) and retainer ring (43), the outer wall of the circumferencial direction of film retainer plate (41) constitutes the embedding film groove (411) that a cross sectional shape takes the shape of the letter U, sealing film (42) is corresponding to film retainer plate (41), and the edge of sealing film (42) is embedded in the described embedding film groove (411), retainer ring (43) places in the embedding film groove (411), and the edge of sealing film (42) is fixed.
5. dust explosion explosion suppression device according to claim 2, it is characterized in that described nozzle (3) is made of the conical shell that forms nestable relation each other (32) of a plurality of each intervals, constitute a spray road (321) between the adjacent conical cylindrical shell (32), and offer spray orifice (3221) on the tube end plate (322) of the bottom of the conical shell (32) that is positioned at central authorities in a plurality of conical shells (32), and connect by interval gusset (33) between all the other conical shells (32).
6. dust explosion explosion suppression device according to claim 1, it is characterized in that described aerogenesis mechanism (5) comprises gas generator case (51) and aerogenesis jar (52), gas generator case (51) is connected with the described matching seat (21) that is positioned at the central authorities of tail-hood (2), and on this gas generator case (51), offer the bleeder port (511) that communicates with described powder extinguishing agent storage chamber (11), aerogenesis jar (52) is connected with described ignition mechanism (6), in the jar chamber (521) of this aerogenesis jar (52), be filled with gas generating agent, and offer the venthole (522) that communicates with the shell chamber (512) of gas generator case (51) on the top end face of aerogenesis jar (52), described matching seat (21) has matching seat internal thread (211) and matching seat external screw thread (212).
7. dust explosion explosion suppression device according to claim 6, it is characterized in that described ignition mechanism (6) comprises guard shield shell (61), igniter seat (62), igniter (63) and igniter (64), the outer wall of igniter seat (62) is provided with first external screw thread (621), this first external screw thread (621) matches with described matching seat internal thread (211), constitute an aerogenesis jar at igniter seat (62) towards an end of described aerogenesis mechanism (5) and connect boss (622), this aerogenesis jar connects boss (622) and is connected with described aerogenesis jar (52), igniter (63) is fixed on guard shield shell (61) and goes up and be electrically connected with igniter (64), and igniter (64) is fixed in the igniter seat (62), the ignition mouth (641) of this igniter (64) communicates with described jar of chamber (521), guard shield shell (61) is fixing with described tail-hood (2), and described igniter (63) is connected with the controller of being furnished with battery (91) (9) electrical control by circuit 631.
8. dust explosion explosion suppression device according to claim 1 is characterized in that being fixed with on the described tail-hood (2) a pair of movable stand hinged seat (23), and this is respectively pivotally connected by bearing pin (231) and described movable stand (7) to movable stand hinged seat (23).
9. dust explosion explosion suppression device according to claim 1, it is characterized in that described lifting regulating mechanism (8) comprises nut casing (81), adjusting nut (82), adjusting screw(rod) (83) and adjustment seat (84), nut casing (81) pivot is arranged on the casing seat (811), casing seat (811) is fixed on the described movable stand (7), adjusting nut (82) is matched with nut casing (81), match with adjusting nut (82) in the lower end of adjusting screw(rod) (83), and be stretched in the nut casing (81), adjustment seat (84) is hinged with the upper end of adjusting screw(rod) (83), and this adjustment seat (84) is connected with described tank body (1) or with described nozzle (3).
10. dust explosion explosion suppression device according to claim 1, the bottom that it is characterized in that described movable stand (7) has a pair of parallel bottom girder (71), the end, two ends of each bottom girder (71) is upturned, and offers towing pad (711) at the position of each perk.
CN2011101492739A 2011-06-03 2011-06-03 Dust explosion suppression device Expired - Fee Related CN102230389B (en)

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CN102716564A (en) * 2012-06-14 2012-10-10 山西新思备科技有限公司 Gas production type gas explosion suppressor for pipes
CN103256068A (en) * 2013-05-28 2013-08-21 黑龙江泰安防火防爆设备有限公司 Mine explosion suppression device
CN103291349A (en) * 2013-06-14 2013-09-11 山东立业矿井隔爆装备有限公司 Mine under-shaft automatic explosive-suspension device triggered in two directions
CN104315935A (en) * 2014-10-11 2015-01-28 上海应用技术学院 Automatic explosion suppressing device applicable to dust explosion in pipeline
CN109173114A (en) * 2018-09-25 2019-01-11 南京工业大学 Automatic water mist explosion suppression device for explosion venting premixed flame to induce steam cloud explosion and explosion suppression method thereof
CN109647823A (en) * 2019-01-28 2019-04-19 中国石油化工股份有限公司胜利油田分公司孤岛采油厂 A kind of oil sludge in oil storage tank cleaning plant

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CN202108534U (en) * 2011-06-03 2012-01-11 江苏华凯矿业科技有限公司 Explosion suppression device of dust exposition

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CN102716564A (en) * 2012-06-14 2012-10-10 山西新思备科技有限公司 Gas production type gas explosion suppressor for pipes
CN102704982B (en) * 2012-06-14 2015-05-20 山西新思备科技股份有限公司 Quick starting device for methane gas explosion suppressors
CN103256068A (en) * 2013-05-28 2013-08-21 黑龙江泰安防火防爆设备有限公司 Mine explosion suppression device
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