CN203264105U

CN203264105U - Dry powder extinguishing agent relief valve structure for dry powder extinguishing agent storage tank of explosion suppression device

Info

Publication number: CN203264105U
Application number: CN 201320298045
Authority: CN
Inventors: 郜冶; 董惠; 邹高万
Original assignee: HEILONGJIANG TAIAN FIRE AND EXPLOSION PROTECTION EQUIPMENT CO Ltd
Current assignee: HEILONGJIANG TAIAN FIRE AND EXPLOSION PROTECTION EQUIPMENT CO Ltd
Priority date: 2013-05-28
Filing date: 2013-05-28
Publication date: 2013-11-06
Anticipated expiration: 2023-05-28

Abstract

The utility model discloses a dry powder extinguishing agent relief valve structure for a dry powder extinguishing agent storage tank of an explosion suppression device, belonging to coal mining safety facilities. The dry powder extinguishing agent relief valve structure comprises a tank body, a valve body, a valve cover, a valve, a valve opening mechanism and a detonation pipe, wherein one end of the tank body is provided with a tank body interface in an extending manner, while the other end of the tank body is blocked by a plug; one end of the valve body is formed into a narrow shrunk connection base; a powder injection connector hole is formed in the wall body of the valve body; a powder introducing pipe connector is formed on the connector hole; a fire extinguishing medium pouring passageway is arranged on the valve body; the passageway is internally provided with a passageway starting valve; the bottom wall of the valve cover is provided with a sealed cap nut matching hole; a sealed cap nut is arranged on the matching hole; the center of the cap nut is provided with a detonation pipe control line demising hole; the center of the valve is provided with a valve hood; one side of the fragile wall of the valve hood is provided with an easily-breaking tank; the valve opening mechanism is arranged in a valve cavity; the detonation pipe is arranged on the valve opening mechanism. The dry powder extinguishing agent relief valve structure provided by the utility model can ensure the chargeable capacity of a dry powder extinguishing agent, ensure an explosion suppression effect, ensure the smooth powder outlet passageway, improve the continuous flow irrigation efficiency of a fire extinguishing medium, and give play to multichannel advantages.

Description

The powder extinguishing agent relief valve structure that the powder extinguishing agent storage tank of explosion suppression device is used

Technical field

The utility model belongs to the coalmining safety facility technical field, be specifically related to the powder extinguishing agent relief valve structure that a kind of powder extinguishing agent storage tank of explosion suppression device is used, be arranged on the powder extinguishing agent storage tank, play the passage between blocking-up or unlatching powder extinguishing agent storage tank and dry powder injector.

Background technology

For safety and follow the fire-fighting requirement, need to roadway coal mining activity district, colliery and relevant range thereof, explosion suppression device is set, put out in order to be about to flame in the moment that gas explosion occurs by explosion suppression device speed.In addition, need be equipped with corresponding explosion suppression device too in the industry such as natural gas extraction industry, flour processing industry, wood powder and fine chemistry industry, expand to suppress blast, play and reduce the blast loss and reduce casualties.

The 0002nd section, specification as Chinese patent Granted publication CN201953397U is described, the method of China's coal-mine down-hole isolation in the past and inhibition gas and dust explosion mostly adopts to hang on excavation support and namely hangs isolated blast water bottle, though this mode has the terse and relatively cheap strong point of structure, but reliability and validity are difficult to ensure, and datonation-inhibition zone and datonation-inhibition ability are extremely limited, are therefore substituted by the explosion suppression device that utilizes the dry-chemical fire extinguishing principle gradually.

Utilizing the technical information of the explosion suppression device of dry-chemical fire extinguishing principle to be no lack of in published Chinese patent literature is seen in, slightly with exemplify as practical new patent Granted publication CN201277056Y(pressure storage type gas, dust explosion suppression device), the CN201578778U(gas-producing explosion suppressor), the CN201401189Y(mine automatic powder spraying explosion-suppressing device), the CN201211404Y(gas dust explosion prevention device) and invention patent mandate notification number CN102230398B(dust explosion suppression device), etc.

Although the patent scheme that is not limited to exemplify above respectively has corresponding technique effect, but there is following logical fraud: one, owing to being that powder squib is arranged in the dry powder storage tank chamber of powder extinguishing agent storage tank with ignition mechanism, thereby not only give and make and assemble and cause certain difficulty, and because having taken the expensive real estate in dry powder storage tank chamber, but cause the dressing amount of the powder extinguishing agent in dry powder storage tank chamber to be affected; Its two, because ignition mechanism is arranged in dry powder storage tank chamber, therefore when will be to the anxiety that in dry powder storage tank chamber, existence exerts an influence to the parts that are associated with powder squib during the can powder extinguishing agent again; They are three years old, due to the tank mouth of dry powder storage tank and injector as being to rely on closure (sealing film as described in CN102230398B) isolation between nozzle, therefore when under initiate mode, after pressure momentariness in dry powder storage tank chamber breaks through closure, broken closure might produce the dry powder injector and stop up situation, thereby affects the dry powder injector to the jeting effect of powder extinguishing agent; Its four, because dry powder injector and dry powder storage tank are a unique cover, thereby the situation of yet flame not being put out after not having the many advantages of collection (surround and put out flame is whole) and powder extinguishing agent approach exhaustion in dry powder storage tank chamber might occurring.

Through the long-term exploration of the applicant and analysis, the technical problem of four aspects that are not limited to conclude above is in fact that this controlling organization is applicant's described powder extinguishing agent relief valve in the above due to due to the controlling organization that lacks between powder extinguishing agent storage tank and dry powder injector.Especially, be showed no all technology enlightenments that the valve that is comprehensively made up aforementioned technical problem rational in infrastructure is set in disclosed domestic and abroad patent and non-patent literature between powder extinguishing agent storage tank and dry powder injector up to now, and also hearing the report that has industry to obtain actual use.The applicant has done useful design for this reason, has finally formed technical scheme described below, and is taking to prove practicable through simulated test under strict secrecy provision.

Summary of the invention

task of the present utility model is to provide a kind of and helps to embody desirable functional reliability and use and ensure excellent effectiveness of explosion suppression, be conducive to avoid to take the powder extinguishing agent storage tank the tank body chamber the space and use the be filled with capacity that ensures the endoceliac powder extinguishing agent of tank, be of value to and prevent from the dry powder injector is stopped up and to use the powder spout that ensures the dry powder injector unimpeded, have be convenient to be filled with nitrogen dioxide gas to the tank body chamber and use improve to the tank body chamber continuous fill with the efficient of firing-fighting medium and have be good at satisfying the powder extinguishing agent relief valve structure of the two or more powder inlet pipe interface of dry powder injector being used simultaneously the powder extinguishing agent storage tank of the explosion suppression device of bringing into play the multichannel advantage for powder requires.

task of the present utility model is completed like this, the powder extinguishing agent relief valve structure that a kind of powder extinguishing agent storage tank of explosion suppression device is used, the powder extinguishing agent storage tank of described explosion suppression device comprises tank body, one end of this tank body is extended with a tank body interface that communicates with the tank body chamber of tank body, and the other end of tank body is by the plug shutoff, described powder extinguishing agent relief valve structure comprises valve body, valve gap, valve, valve-lifting mechanism and powder squib, valve body has a narrow contracting Connection Block towards an end formation of described tank body interface, this narrow contracting Connection Block is insinuated in the tank body interface and connects with the tank body interface thread, offer with the interval state the one group of nipple orifice of dusting that communicates with the valve body chamber of valve body on the wall body of valve body, be equipped with one for the logical tube cell joint that is connected with the dry powder injector of explosion suppression device on the nipple orifice of respectively dusting, and also offer the firing-fighting medium injection gallery on valve body, this firing-fighting medium injection gallery communicates with described tank body chamber, be provided with a passage and open and close valve in the firing-fighting medium injection gallery, valve gap and described valve body connect back to the threaded one end of described tank body interface, and offer a seal screw cap mating holes on the diapire of this valve gap, screw thread is equipped with a seal screw cap on sealing blind nut mating holes, middle position at the sealing blind nut offers a powder squib control line resigning hole, the valve screw thread is provided in described valve body chamber, and at the position corresponding to the described nipple orifice of dusting, the nipple orifice of dusting is sealed, central authorities at this valve have a bonnet, the bottom of the outer wall of this bonnet is connected with valve by the fragile wall of bonnet, offer an easy fracture groove in a side of the fragile wall of bonnet and around the circumferencial direction of the fragile wall of bonnet, valve-lifting mechanism is arranged in the valve body chamber of described valve body, and between described valve gap and valve, the bonnet chamber of this valve-lifting mechanism and described bonnet is connected, powder squib is arranged on described valve-lifting mechanism.

in a specific embodiment of the present utility model, described valve-lifting mechanism comprises piston plate, the piston plate prerotation vane, the bumper ring fixed disk, bumper ring, pull bar and powder squib pressure cap, piston plate is positioned at the valve body chamber of described valve body, consist of towards a side of piston plate prerotation vane at this piston plate a prerotation vane chamber is arranged, in this prerotation vane chamber and the middle position that is positioned at the prerotation vane chamber consist of a pull bar Connection Block arranged, and have one to ignite base at piston plate towards the middle position formation of a side of described valve gap, this ignition base has a powder squib container cavity, the piston plate prerotation vane is arranged in described prerotation vane chamber with fluctuating, and be sealed and matched with the prerotation vane chamber wall in prerotation vane chamber, middle position at this piston plate prerotation vane offers a pull bar Connection Block mating holes, this pull bar Connection Block mating holes and described pull bar Connection Block are sealed and matched, the bumper ring fixed disk is stacked on piston plate, and the top corresponding to described piston plate prerotation vane, middle position at this bumper ring fixed disk offers a pull bar resigning hole, this pull bar resigning hole is corresponding with pull bar Connection Block mating holes, and be nested with on described pull bar Connection Block, bumper ring and bumper ring fixed disk are fixed back to a side of described piston plate prerotation vane, one end of pull bar probes in the described bonnet chamber of described bonnet, and be threaded with the bonnet chamber, and the other end of pull bar is being threaded with described pull bar Connection Block after described pull bar resigning hole and pull bar Connection Block mating holes successively, powder squib pressure cap screw thread is provided on the outer wall of described ignition base, and offer a resigning hole in the bottom of this powder squib pressure cap, described powder squib is placed in described powder squib container cavity, and protected by the holder of described powder squib pressure cap, this powder squib is caused outside described valve gap after passing successively resigning hole and described powder squib control line resigning hole by the powder squib control line.

In another specific embodiment of the present utility model, in the bottom in the prerotation vane chamber of described piston plate and offer one group around the circumferencial direction of described pull bar Connection Block with the interval state and ignite the air-flow discharge orifice, this group ignition air-flow discharge orifice communicates with described powder squib container cavity.

In another specific embodiment of the present utility model, be embedded with a sidewall sealing ring on the sidewall of described piston plate prerotation vane and around the circumferencial direction of this sidewall, the chamber wall in this sidewall sealing ring and described prerotation vane chamber is sealed and matched, and be embedded with a hole wall sealing ring on the hole wall of the described pull bar Connection Block mating holes of piston plate prerotation vane, this hole wall sealing ring and described pull bar Connection Block are sealed and matched.

In another specific embodiment of the present utility model, consisting of towards a side of described bumper ring at described bumper ring fixed disk has a buffering ring support chamber, bumper ring match with this buffering ring support chamber and with cushion the ring support chamber and fix.

Also has a specific embodiment of the present utility model, offer one group of screw hole with the interval state in described buffering ring support chamber and around the circumferencial direction in buffering ring support chamber, this group screw hole is blind hole, offer pool of buffer circle fixing screw hole with the interval state on described bumper ring and in the position corresponding to described screw hole, bumper ring and described screw hole are fixed in the position corresponding to the bumper ring fixing screw hole by the bumper ring hold-down screw.

More of the present utility model and in specific embodiment, a described end at described pull bar is equipped with a swivel nut, and consist of, outer connecting thread is arranged on the outer wall of the described other end of pull bar, consisting of on described pull bar Connection Block has a pull bar connecting thread hole, and described outer connecting thread is threaded with this pull bar connecting thread hole.

In of the present utility model and then specific embodiment, offer a center bleeder port on described pull bar, this center bleeder port is positioned at a described end of pull bar, and corresponding to the middle position of pull bar, this center bleeder port communicates with described valve body chamber by the side direction bleeder port that is opened on pull bar.

Of the present utility model again more and in specific embodiment, described passage opens and closes valve and comprises spring base, spring and steel ball, the spring base screw thread is provided in described firing-fighting medium injection gallery towards the port position of an end in described tank body chamber, and offer firing-fighting medium and introduce the hole on this spring base, spring and steel ball are arranged in the firing-fighting medium injection gallery, and steel ball is limited by the steel-ball limiting step that is formed in the firing-fighting medium injection gallery, and an end bearing of spring is on spring base, and the other end is bearing on steel ball.

In again of the present utility model and then specific embodiment, described powder squib is that electricity causes powder squib.

One of technique effect of the technical scheme that the utility model provides due to valve body is connected with the tank body interface of tank body, thereby can not take the space in tank body chamber outside tank body, can ensure that powder extinguishing agent is at the endoceliac capacity that is filled with of tank; Two, due to the position that valve has been arranged in valve endoceliac position corresponding to the nipple orifice of dusting, thereby when the valve-lifting mechanism Open valve, the endoceliac powder extinguishing agent of tank is drawn from the nipple orifice of dusting, have desirable functional reliability and ensured the effectiveness of explosion suppression of explosion suppression device; Three, still can remain in the connection status with valve-lifting mechanism due to valve after unlatching, thereby can not enter the nipple orifice of dusting, thereby can ensure powder spout unimpeded of dry powder injector; Four, owing to offering the firing-fighting medium injection gallery on valve body, thereby can improve to the continuous efficient of filling with firing-fighting medium in tank body chamber; Five, because the nipple orifice of dusting has one group, thereby can satisfy the requirement that powder extinguishing agent is provided simultaneously to the two or more powder inlet pipe interface of dry powder injector, performance multichannel advantage.

Description of drawings

Fig. 1 is cutaway view of the present utility model.

Fig. 2 is powder extinguishing agent relief valve structure of the present utility model.

Fig. 3 is application examples schematic diagram of the present utility model.

Fig. 4 is the schematic diagram of dry powder injector shown in Figure 3.

Fig. 5 is the schematic diagram after Open valve.

The specific embodiment

For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present utility model and beneficial effect more, the applicant general elaborates in the mode of embodiment below, but be not all restriction to the utility model scheme to the description of embodiment, any according to the utility model design done only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.

Please be referring to Fig. 1 and Fig. 2, show one and be used for can powder extinguishing agent (industry custom title ABC powder, for example can be referring to Instructions Page 3 the 14th row of CN201401189U) the tank body 1 of powder extinguishing agent storage tank, one end of this tank body 1 is extended with a tank body interface 12 that communicates with the tank body chamber 11 of tank body 1, this tank body interface 12 obviously is used for connecting for powder extinguishing agent relief valve of the present utility model, and the other end of tank body 1 is shown by plug 13(Fig. 3) shutoff.By shown in Figure 1, be processed with on the inwall of tank body interface 12 and connect mouthful internal thread 121.

Above mentioned powder extinguishing agent relief valve structure as technical essential of the present utility model comprises valve body 2, valve gap 3, valve 4, valve-lifting mechanism 5 and powder squib 6, valve body 2 consists of towards the upper end that an end of aforementioned tank body interface 12 is location status illustrated in figures 1 and 2 has a diameter less than the narrow contracting Connection Block 21 of the diameter of valve body 2, be processed with Connection Block external screw thread 211 on the outer wall of this narrow contracting Connection Block 21, this Connection Block external screw thread 211 connects with aforesaid mouthful internal thread 121 screw threads that connect.Hence one can see that, and valve body 2 probes in tank body interface 12 and removably is connected on tank body 1 with connecting coordinating of mouthful internal thread 121 by Connection Block external screw thread 211 by its narrow contracting Connection Block 21.offer the one group of nipple orifice 23 of dusting that communicates with the valve body chamber 22 of valve body 2 with the interval state on the wall body of valve body 2 and around the circumferencial direction of valve body 2, being provided with the discharge tube joint on the inwall of nipple orifice 23 that respectively dusts connects internal thread 232(Fig. 2 and shows), an end that connects the discharge tube joint 231 on the nipple orifice 23 of respectively dusting shows by the discharge tube joint external screw thread 2311(Fig. 2 on it) connect internal thread 232 screw threads and connect with the discharge tube joint, and the other end of discharge tube joint 231 leans out the nipple orifice 23 of dusting, for being connected by dry powder injector 9 pipelines on the support that is arranged on explosion suppression device 8 shown in Figure 3.valve gap 3 connects screw thread 32 and is threaded back to the valve gap connecting thread 25 on the inwall of an end of aforementioned tank body interface 12 with valve body 2 by the valve gap on it after adding valve bonnet seal circle 33, and offer a seal screw cap mating holes 31 on the middle position of the diapire of this valve gap 3, connected a seal screw cap 311 with thread fiting mode on sealing blind nut mating holes 31, middle position at sealing blind nut 311 offers a powder squib control line resigning hole 3111, valve 4 screw threads are provided in valve body chamber 22, and at the position corresponding to the aforesaid nipple orifice 23 of dusting, the nipple orifice 23 of dusting is sealed, namely block the powder extinguishing agent in tank body chamber 11 and the passage between nipple orifice 23 of dusting.Shown in figure, on the outer wall of valve 4 and be positioned at top and consist of and to have valve to connect external screw thread 42, and be provided with valve body lumen wall internal thread 221 on the chamber wall in the valve body chamber 22 of aforementioned valve body 2, valve connects external screw thread 42 and connects with these valve body lumen wall internal thread 221 screw threads.Central authorities at valve 4 have a bonnet 41, and the bottom of the outer wall of this bonnet 41 is connected with valve 4 by the fragile wall 411 of bonnet, offer an easy fracture groove 4111 in a side of bonnet fragility wall 411 and around the circumferencial direction of bonnet fragility wall 411.Why being called the fragile wall 411 of bonnet, is because offer aforesaid easy fracture groove 4111 on the fragile wall 411 of this bonnet, and when this easy fracture groove 4111 ruptured fully, the fragile wall 411 of whole bonnet just separated with valve 4, specifically can be shown in Figure 5.

Aforesaid valve-lifting mechanism 5 is arranged in the valve body chamber 22 of valve body 2, and between aforementioned valve gap 3 and valve 4, and the bonnet chamber 412 of this valve-lifting mechanism 5 and aforementioned bonnet 41 is connected.Powder squib 6 is arranged on valve-lifting mechanism 5.

As preferred scheme, the quantity of aforesaid one group of nipple orifice 23 of dusting is three, and one of them is as standby, and with screw plug 233 shutoff (Fig. 2 shows), and all connect discharge tube joint 231 on all the other two nipple orifice 23 of dusting, in order to satisfy many interfaces interconnection demands of dry powder injector 9.Also offer on valve body 2 for the firing-fighting medium injection gallery 24 to tank body chamber 11 interior perfusion firing-fighting mediums, this firing-fighting medium injection gallery 24 communicates with tank body chamber 11, and is provided with a passage opens and closes valve 7 in this firing-fighting medium injection gallery 24.

Aforesaid passage opens and closes valve 7 and comprises spring base 71, spring 72 and steel ball 73, spring base 71 screw threads are provided in the port position of aforementioned firing-fighting medium injection gallery 24 end of 11 towards described tank body chamber, and offer nitrogen dioxide and introduce hole 711 on this spring base 71, spring 72 1 steel balls 73 are arranged in firing-fighting medium injection gallery 24, wherein: steel ball 73 is limited by the steel-ball limiting step 241 that is formed in firing-fighting medium injection gallery 24, and an end bearing of spring 72 is on spring base 71, and the other end is bearing on steel ball 73.

please continue to see Fig. 1 and Fig. 2, aforesaid valve-lifting mechanism 5 comprises piston plate 51, piston plate prerotation vane 52, bumper ring fixed disk 53, bumper ring 54, pull bar 55 and powder squib pressure cap 56, piston plate 51 is positioned at the valve body chamber 22 of aforementioned valve body 2, take shown position as example, this piston plate 51 is positioned at the bottom in valve body chamber 22, this piston plate 51 towards a side of piston plate prerotation vane 52 namely towards on a side consist of a prerotation vane chamber 511 arranged, in this prerotation vane chamber 511 and the middle position that is positioned at prerotation vane chamber 511 consist of a pull bar Connection Block 5111 that is raised in the surface of piston plate chamber diapire arranged, consist of on pull bar Connection Block 5111 a pull bar connecting thread hole 51111 is arranged, and have one to ignite base 512 at piston plate 51 towards the middle position formation of a side of aforementioned valve gap 3, this ignition base 512 has a powder squib container cavity 5121.In the bottom in the prerotation vane chamber 511 of piston plate 51 and offer one group around the circumferencial direction of aforementioned pull bar Connection Block 5111 with the interval state and ignite air-flow discharge orifice 513, ignite air-flow discharge orifice 513 for this group and communicate with powder squib container cavity 5121.Above mentioned powder squib 6 is placed in powder squib container cavity 5121, and after powder squib 6 blast was namely ignited, the high pressure draught of generation just entered in prerotation vane chamber 511 from igniting air-flow discharge orifice 513.Piston plate prerotation vane 52 is arranged in described prerotation vane chamber 511 with fluctuating, and be sealed and matched with the prerotation vane chamber wall in prerotation vane chamber 511, middle position at this piston plate prerotation vane 52 offers a pull bar Connection Block mating holes 521, and this pull bar Connection Block mating holes 521 is sealed and matched with aforesaid pull bar Connection Block 5111.Specifically by illustrated in figures 1 and 2, be embedded with a sidewall sealing ring 522 on the sidewall of piston plate prerotation vane 52 and around the circumferencial direction of this sidewall, this sidewall sealing ring 522 is sealed and matched with the chamber wall in aforementioned prerotation vane chamber 511, and be embedded with a hole wall sealing ring 523 on the hole wall of the aforementioned pull bar Connection Block mating holes 521 of piston plate prerotation vane 52, this hole wall sealing ring 523 is sealed and matched with the outer wall of aforementioned pull bar Connection Block 5111.Bumper ring fixed disk 53 is stacked on piston plate 51, and the top corresponding to described piston plate prerotation vane 52, middle position at this bumper ring fixed disk 53 offers a pull bar resigning hole 531, this pull bar resigning hole 531 is corresponding with pull bar Connection Block mating holes 521, and is nested with on described pull bar Connection Block 5111.Bumper ring 54 is fixed back to a side of aforementioned piston plate prerotation vane 52 with bumper ring fixed disk 53.Shown in figure, consisting of towards a side of aforementioned bumper ring 54 at bumper ring fixed disk 53 has a buffering ring support chamber 532, bumper ring 54 match with this buffering ring support chamber 532 and with cushion ring support chamber 532 and fix.Specifically: 532 circumferencial direction offers one group of screw hole 5321 with the interval state in described buffering ring support chamber 532 and around buffering ring support chamber, this group screw hole 5321 is blind hole, offer pool of buffer circle fixing screw hole 541 with the interval state on described bumper ring 54 and in the position corresponding to described screw hole 5321, in the position corresponding to bumper ring fixing screw hole 541, that bumper ring 54 is fixing with described screw hole 5321 by bumper ring hold-down screw 5411.One end of pull bar 55 probes in the described bonnet chamber 412 of aforementioned bonnet 41, and be threaded with bonnet chamber 412, and the other end of pull bar 55 is being threaded with aforesaid pull bar Connection Block 5111 after aforesaid pull bar resigning hole 531 and pull bar Connection Block mating holes 521 successively, powder squib pressure cap 56 screw threads are provided on the outer wall of described ignition base 512, and offer a resigning hole 561 in the bottom of this powder squib pressure cap 56.

Shown in figure, an aforementioned end at aforementioned pull bar 55 namely is equipped with a swivel nut 551 towards an end of bonnet 41, and namely consist of at the aforementioned other end of pull bar 55, outer connecting thread 552 is arranged on the outer wall of an end of pull bar Connection Block 5111, swivel nut on the chamber wall in swivel nut 551 and the bonnet chamber 412 that is arranged on aforementioned bonnet 41 connects screw thread 4121 screw threads and connects, and outer connecting thread 552 and aforesaid pull bar connecting thread hole 5111 screw threads connect.Again, offer a center bleeder port 553 on aforesaid pull bar 55, this center bleeder port 553 is positioned at an aforementioned end of pull bar 55, and corresponding to the middle position of pull bar 55, and this center bleeder port 553 communicates with aforementioned valve body chamber 22 by the side direction bleeder port 5531 that is opened on pull bar 55.Because center bleeder port 553 communicates with bonnet chamber 412, so the air in bonnet 412 releases by side direction bleeder port 5531 after entering center bleeder port 553, falls in chamber 542 to ensure bonnet 41 enters the central authorities of bumper ring 54 after coming off bonnet.

Aforesaid powder squib 6 causes powder squib for electricity, the concept that so-called electricity causes ignition is to ignite after energising, the powder squib control line 61 of powder squib 6 after are connected with powder squib control line resigning hole by way of aforesaid resigning hole 561 be illustrated in Fig. 3's and be arranged on support 8 electric control box 81 electrical controls be connected.

See also Fig. 3, be furnished with of the present utility model and be arranged on support 8 by the tank body 1 of the powder extinguishing agent storage tank of powder extinguishing agent relief valve structure illustrated in figures 1 and 2, there is shown six tank bodies 1, and show six dry powder injectors 9, but can increase and decrease according to actual needs.

by shown in Figure 3, this support 8 is fixed on or claims and carries on sled 82, take at present by location status shown in Figure 3 as example, a side at the width of support 82 namely is fixed with an injector fixed case 83 in the left side, lambdoid structure is formed on the top of this injector fixed case 83, structure and make the side at top of injector fixed case 83 and opposite side respectively forms an inclined plane 831 just as the roofing of ogival building thus, respectively be provided with a pair of flame signal acquisition device 832 by flame signal acquisition device holder 8311 in the position to correspond to each other on each inclined plane 831 and preferably.Certainly, the quantity of flame signal acquisition device 832 can be also one (should use-case be a pair of), so when flame signal acquisition device 832 is one, both can use infrared ray sensor, also can use UV sensor; Should use-case and resemble, because flame signal acquisition device 832 has two (namely a pair of), so one of them adopts infrared ray sensor, and another adopts UV sensor.The opposite side that aforesaid electric control box 81 is arranged on the width of support 8 is the right side of location status shown in Figure 3, and aforesaid a pair of flame signal acquisition device 832 respectively is connected with electric control box 81 electrical controls by its holding wire 8321.Top at the length direction of support 8 is provided with powder extinguishing agent tank support 84.

aforesaid powder extinguishing agent tank support 84 is by two groups of columns 841 of parallel setting, two groups of storage tank seats 842 and one group of ceiling molding 843 consist of, wherein one group of column 841 in two groups of columns 841 is fixed on a side of the length direction of support 8 with the interval state, and another group column 841 in two groups of columns 841 is fixed on the opposite side of the length direction of support 8, each is connected top between two groups of columns 841 by connecting cross beam 8411, formation powder extinguishing agent storage tank chamber, space between column 841, storage tank seat 842 is fixedly connected with the bottom of column 841, ceiling molding 843 is connected with aforesaid connecting cross beam 8411 by screw 8431.Each is with baffle plate hold-down screw 84111 and be fixed with a baffle plate 8412 corresponding to the position that is preset in the screw fixed hole 8413 on column 841 at the middle part of the short transverse of two groups of columns 841, and being opposite to powder extinguishing agent storage tank on storage tank seat 842 by baffle plate 8412 is that aforesaid tank body 1 keeps off and protecting.Preferably, also can set up a reinforcement crossbeam 844 on aforesaid one group of connecting cross beam 8411 and between a pair of ceiling molding 843, and the end between adjacent connecting cross beam 8411 arranges bolt-type blend stop 84112, and the upper end that is opposite to the aforementioned tank body 1 on storage tank seat 842 by bolt-type blend stop 84112 is spacing.

See also Fig. 4 and continue to see Fig. 3, provided one group of dry powder injector 9 in Fig. 3, in should use-case, as aforementioned, because the quantity of one group of dry powder injector 9 is chosen as six, the quantity of the tank body 1 of having mentioned therefore also should have six mutually, but can not limit the utility model according to this quantity because both may be as few as three also can eight of as many as or more than.Shown in figure, six dry powder injectors 9 are fixed on aforementioned injector fixed case 83 back to a side of support 8 with radial patterning, namely are fixed on the left side (shown position is example) of injector fixed case 83.Here the radial patterning of saying refer to one group of dry powder injector 9 by the center to external diffusion.

because the structure of one group of dry powder injector 9 is identical, therefore the applicant only selects one and is described as follows, comprise a nozzle stationary pipes 91, one horizontal nozzles 92 and one group of angled nozzle 93, one end of nozzle stationary pipes 91 and the other end respectively are fixed with a fixing ear 913, fixedly fixedly ear snail nail 9131 is fixing with injector fixed case 83 in ear 913 uses, consisting of towards a side of injector fixed case 83 in this jet blower stationary pipes 91 has or to claim to have received a pair of logical tube cell interface 912, logical tube cell interface 912 is insinuated in the case chamber of injector fixed case 83, the nozzle of logical tube cell interface 912 and nozzle stationary pipes 91 fixedly tube chamber 911 communicates, and be connected with above-described discharge tube joint 231 by logical tube cell 9121.Because logical tube cell interface 912 has a pair of namely two, therefore the nipple orifice 23 of dusting that is opened on aforementioned valve body 2 has two, so, when logical tube cell interface 912 is three, the so aforesaid nipple orifice 23 of dusting by 233 shutoff of screw plug just is activated, and namely removes screw plug 233 and is replaced with discharge tube joint 231.As seen, the dust quantity of the logical tube cell interface 912 on the nozzle stationary pipes 91 of the quantity of nipple orifice 23 and dry powder injector 9 keeps the relation of following in sb's footsteps.Horizontal nozzles 92 with the level solid welding in the side of nozzle stationary pipes 91 back to injector fixed case 83, and with nozzle fixedly tube chamber 911 communicate.By shown in Figure 4, consisting of on horizontal nozzles 92 and at the outlet position corresponding to horizontal nozzles 92 has one first V-arrangement to lead powder groove 921, leads 921 pairs of powder extinguishing agents by horizontal nozzles 92 ejections of powder groove by this first V-arrangement and plays good even disperse function.One group of angled nozzle 93 below corresponding to horizontal nozzles 92 with downward-sloping state solid welding in the side of nozzle stationary pipes 91 back to injector fixed case 83, each angled nozzle 93 and nozzle fixedly tube chamber 911 communicate.As the description to horizontal nozzles 92, consisting of on each angled nozzle 93 and at the export department bit position corresponding to angled nozzle 93 has one second V-arrangement to lead function that powder groove 931, the second V-arrangements lead powder groove 931 as the first V-arrangement being led the description of powder groove 921.

By shown in Figure 4, corresponding to the outlet position of horizontal nozzles 92 and be inclined upwardly, therefore has the effect of upwards evenly dispersing from the spouting powder extinguishing agent of horizontal nozzles 92 due to the first cell wall 9211 of the first V-arrangement gathering sill 921; Again, because the second cell wall 9311 of the second V-arrangement gathering sill 931 is slightly downward-sloping, therefore has the effect of evenly dispersing downwards from the spouting powder extinguishing agent of angled nozzle 93, thereby play the good effect of surrounding of the flame that gas is caused, and the tunnel is had the isolation sealing process, and the flame speed that gas is caused is namely put out.

Still see also Fig. 3, aforesaid one group (six) tank body 1 is supported on powder extinguishing agent tank support 84 in the position corresponding to aforementioned storage tank seat 842, on each tank body 1 and under the use state towards under an end receive a tank body interface 12 that communicates with its tank body chamber 11, the powder extinguishing agent relief valve structure of the present utility model that is shown in detail by Fig. 1 and Fig. 2 connects on this tank body interface 12.Again, pinch for the ease of grabbing, therefore on tank body 1 and the upper end solid welding that to be positioned at an aforesaid end with plug 13 be location status shown in Figure 3 one handle 14 is arranged.

See also Fig. 5 and in conjunction with Fig. 1 to Fig. 4, the applicant describes operation principle of the present utility model, by shown in Figure 1, keep a gap between the prerotation vane chamber 511 of the bottom of piston plate prerotation vane 52 and piston plate 51, constitute by this gap and press quick-fried space 524.when causing naked light by watt its blast, at first by flame signal acquisition device 832 perception, and by flame signal acquisition device 832 with signal feedback to electric control box 81, by electric control box 81 with signal feedback to powder squib 6, be that powder squib 6 is lighted a fire and explodes, the high pressure draught that explosion time produces (gas that produces by being contained in the gas generating agent generation chemical reactions in powder squib 6) is received chamber 5121 from the powder squib sky and is entered in the prerotation vane chamber 511 of piston plate 51 through igniting air-flow discharge orifice 513, press quick-fried space 524 owing to maintaining between the bottom of piston plate prerotation vane 52 and prerotation vane chamber 511, therefore air-flow enters the quick-fried space 524 of this pressure interior (Fig. 1 and Fig. 5 show), and whole piston plate 51 is moved down, become state shown in Figure 5 by state shown in Figure 1, namely, because making to bottom offset of piston plate 51 presses quick-fried space 524 to become large.

At above-mentioned piston plate 51 in the process of bottom offset, because pull bar 55 both was connected with the bonnet 41 of valve 4, be connected with pull bar Connection Block 5111 in the prerotation vane chamber 511 of piston plate 51 again, therefore drive pull bar 55 descending when piston plate 51 is descending, the moment descending at pull bar 55 pulls bonnet 41 descending by pull bar 55.At this moment, because the position of valve 4 is constant, so fragile wall 411 fractures of bonnet that are connected between bonnet 41 and valve 4, by pull bar 55, bonnet 41 is pulled from valve 4, and fall into (falling) and fall in chamber 542 to bonnet.the air flue that before has been positioned at fragile wall 411 shutoff of bonnet of the bonnet 41 on valve 4 this moment is opened because of coming off of bonnet 41, specifically by shown in Figure 5, powder extinguishing agent (industry claims the ABC powder usually) in the tank body chamber 11 of tank body 1 just 22 enters a pair of discharge tube joint 231 that connects on the nipple orifice 23 of dusting from the valve body chamber, show through logical tube cell 9121(Fig. 3) introduce the fixing tube chamber 911 of nozzle of the nozzle stationary pipes 91 of dry powder injector 9, and then spray to simultaneously from horizontal nozzles 92 and angled nozzle 93 flame that produces when being ignited by gas, flame speed is namely put out in bud.

In sum, the technical scheme that the utility model provides has overcome the shortcoming in the prior art, has completed the invention task, and has objectively cashed the technique effect in the superincumbent technique effect of applicant hurdle.And the utility model also can be such as natural gas extraction processing industry and the industry such as flour, wood powder, fine chemistry industry.

Claims

1. ﹠lt, b TranNum="114" ﹠gt, the powder extinguishing agent relief valve structure that a kind of powder extinguishing agent storage tank of explosion suppression device is used, the powder extinguishing agent storage tank of described explosion suppression device comprises tank body (1), one end of this tank body (1) is extended with a tank body interface (12) that communicates with the tank body chamber (11) of tank body (1), and the other end of tank body (1) is by plug (13) shutoff, it is characterized in that described powder extinguishing agent relief valve structure comprises valve body (2), valve gap (3), valve (4), valve-lifting mechanism (5) and powder squib (6), valve body (2) has a narrow contracting Connection Block (21) towards an end formation of described tank body interface (12), this narrow contracting Connection Block (21) is insinuated in tank body interface (12) and connects with tank body interface (12) screw thread, offer with the interval state the one group of nipple orifice of dusting (23) that communicates with the valve body chamber (22) of valve body (2) on the wall body of valve body (2), be equipped with one for the logical tube cell joint (231) that is connected with the dry powder injector of explosion suppression device on the nipple orifice of respectively dusting (23), and also offer firing-fighting medium injection gallery (24) on valve body (2), this firing-fighting medium injection gallery (24) communicates with described tank body chamber (11), be provided with a passage and open and close valve (7) in firing-fighting medium injection gallery (24), valve gap (3) connects with the threaded one end of described valve body (2) back to described tank body interface (12), and offer a seal screw cap mating holes (31) on the diapire of this valve gap (3), be equipped with a seal screw cap (311) at the upper screw thread of sealing blind nut mating holes (31), middle position at sealing blind nut (311) offers a powder squib control line resigning hole (3111), valve (4) screw thread is provided in described valve body chamber (22), and at the position corresponding to the described nipple orifice of dusting (23), the nipple orifice of dusting (23) is sealed, central authorities at this valve (4) have a bonnet (41), the bottom of the outer wall of this bonnet (41) is connected with valve (4) by the fragile wall of bonnet (411), offer an easy fracture groove (4111) in a side of the fragile wall of bonnet (411) and around the circumferencial direction of the fragile wall of bonnet (411), valve-lifting mechanism (5) is arranged in the valve body chamber (22) of described valve body (2), and be positioned between described valve gap (3) and valve (4), this valve-lifting mechanism (5) is connected with the bonnet chamber (412) of described bonnet (41), powder squib (6) is arranged on described valve-lifting mechanism (5).</b>

2. ﹠lt, b TranNum="117" ﹠gt, the powder extinguishing agent relief valve structure that the powder extinguishing agent storage tank of explosion suppression device according to claim 1 is used, it is characterized in that described valve-lifting mechanism (5) comprises piston plate (51), piston plate prerotation vane (52), bumper ring fixed disk (53), bumper ring (54), pull bar (55) and powder squib pressure cap (56), piston plate (51) is positioned at the valve body chamber (22) of described valve body (2), towards a side formation of piston plate prerotation vane (52), a prerotation vane chamber (511) is arranged at this piston plate (51), in this prerotation vane chamber (511) and the middle position that is positioned at prerotation vane chamber (511) consist of a pull bar Connection Block (5111) arranged, and have one to ignite base (512) at piston plate (51) towards the middle position formation of a side of described valve gap (3), this ignition base (512) has a powder squib container cavity (5121), piston plate prerotation vane (52) is arranged in described prerotation vane chamber (511) with fluctuating, and be sealed and matched with the prerotation vane chamber wall in prerotation vane chamber (511), middle position at this piston plate prerotation vane (52) offers a pull bar Connection Block mating holes (521), this pull bar Connection Block mating holes (521) is sealed and matched with described pull bar Connection Block (5111), bumper ring fixed disk (53) is stacked on piston plate (51), and the top corresponding to described piston plate prerotation vane (52), middle position at this bumper ring fixed disk (53) offers a pull bar resigning hole (531), this pull bar resigning hole (531) is corresponding with pull bar Connection Block mating holes (521), and be nested with on described pull bar Connection Block (5111), bumper ring (54) is fixed back to a side of described piston plate prerotation vane (52) with bumper ring fixed disk (53), one end of pull bar (55) probes in the described bonnet chamber (412) of described bonnet (41), and be threaded with bonnet chamber (412), and the other end of pull bar (55) is being threaded with described pull bar Connection Block (5111) after described pull bar resigning hole (531) and pull bar Connection Block mating holes (521) successively, powder squib pressure cap (56) screw thread is provided on the outer wall of described ignition base (512), and offer a resigning hole (561) in the bottom of this powder squib pressure cap (56), described powder squib (6) is placed in described powder squib container cavity (5121), and protected by described powder squib pressure cap (56) holder, this powder squib (6) is caused outside described valve gap (3) after passing successively resigning hole (561) and described powder squib control line resigning hole (3111) by powder squib control line (61).</b>

3. The powder extinguishing agent relief valve structure that the powder extinguishing agent storage tank of explosion suppression device according to claim 2 is used, it is characterized in that in the bottom in the prerotation vane chamber (511) of described piston plate (51) and offer one group around the circumferencial direction of described pull bar Connection Block (5111) with the interval state igniting air-flow discharge orifice (513), this group ignition air-flow discharge orifice (513) communicates with described powder squib container cavity (5121).

4. the powder extinguishing agent relief valve structure that the powder extinguishing agent storage tank of explosion suppression device according to claim 2 is used, it is characterized in that on the sidewall of described piston plate prerotation vane (52) and be embedded with a sidewall sealing ring (522) around the circumferencial direction of this sidewall, this sidewall sealing ring (522) is sealed and matched with the chamber wall in described prerotation vane chamber (511), and be embedded with a hole wall sealing ring (523) on the hole wall of the described pull bar Connection Block mating holes (521) of piston plate prerotation vane (52), this hole wall sealing ring (523) is sealed and matched with described pull bar Connection Block (5111).

5. The powder extinguishing agent relief valve structure that the powder extinguishing agent storage tank of explosion suppression device according to claim 2 is used, it is characterized in that having one to cushion ring support chamber (532) at described bumper ring fixed disk (53) towards a side formation of described bumper ring (54), bumper ring (54) matches with this buffering ring support chamber (532) and is fixing with buffering ring support chamber (532).

6. ﹠lt, b TranNum="129" ﹠gt, the powder extinguishing agent relief valve structure that the powder extinguishing agent storage tank of explosion suppression device according to claim 5 is used, it is characterized in that offering one group of screw hole (5321) with the interval state in described buffering ring support chamber (532) and around the circumferencial direction that cushions ring support chamber (532), this group screw hole (5321) is blind hole, go up and offer pool of buffer circle fixing screw hole (541) in the position corresponding to described screw hole (5321) with the interval state at described bumper ring (54), in the position corresponding to bumper ring fixing screw hole (541), that bumper ring (54) and described screw hole (5321) is fixing by bumper ring hold-down screw (5411).</b>

7. The powder extinguishing agent relief valve structure that the powder extinguishing agent storage tank of explosion suppression device according to claim 2 is used, it is characterized in that being equipped with a swivel nut (551) at a described end of described pull bar (55), and consist of, outer connecting thread (552) is arranged on the outer wall of the described other end of pull bar (55), in the upper formation of described pull bar Connection Block (5111), one pull bar connecting thread hole (51111) is arranged, described outer connecting thread (552) is threaded with this pull bar connecting thread hole (51111).

8. The powder extinguishing agent relief valve structure that the powder extinguishing agent storage tank of explosion suppression device according to claim 2 is used, it is characterized in that offering a center bleeder port (553) on described pull bar (55), this center bleeder port (553) is positioned at a described end of pull bar (55), and corresponding to the middle position of pull bar (55), this center bleeder port (553) communicates with described valve body chamber (22) by the side direction bleeder port (5531) that is opened on pull bar (55).

9. ﹠lt, b TranNum="138" ﹠gt, the powder extinguishing agent relief valve structure that the powder extinguishing agent storage tank of explosion suppression device according to claim 2 is used, it is characterized in that described passage opens and closes valve (7) and comprises spring base (71), spring (72) and steel ball (73), spring base (71) screw thread is provided in described firing-fighting medium injection gallery (24) towards the port position of an end in described tank body chamber (11), and offer firing-fighting medium and introduce hole (711) on this spring base (71), spring (72) and steel ball (73) are arranged in firing-fighting medium injection gallery (24), and steel ball (73) is limited by the steel-ball limiting step (241) that is formed in firing-fighting medium injection gallery (24), and an end bearing of spring (72) is on spring base (71), the other end is bearing on steel ball (73).</b>

10. The powder extinguishing agent relief valve structure that the powder extinguishing agent storage tank of explosion suppression device according to claim 2 is used is characterized in that described powder squib (6) causes powder squib for electricity