CN103252038A

CN103252038A - Dry powder extinguishing agent release valve structure for dry powder extinguishing agent storage tank of explosion suppression device

Info

Publication number: CN103252038A
Application number: CN2013102034506A
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: 2013-08-21
Anticipated expiration: 2033-05-28
Also published as: CN103252038B

Abstract

The invention discloses a dry powder extinguishing agent release valve structure for a dry powder extinguishing agent storage tank of an explosion suppression device, and belongs to a coalmining safety facility. The dry powder extinguishing agent release valve structure comprises a tank body, wherein a tank body interface extends at one end of the tank body; the other end of the tank body is plugged by an end cap; the release valve structure comprises a valve body, a valve deck, a valve, a valve opening mechanism and a detonation tube; a narrow connecting seat is formed at one end of the valve body; a powder spraying connector hole is formed in the wall body of the valve body; a powder tube connector is arranged on the connector hole; a fire extinguishing media injection gallery is arranged on the valve body; a channel opening valve is arranged inside the channel; a sealed blind nut matching hole is formed in the bottom wall of the valve deck; a sealed blind nut is arranged on the matching hole; a detonation tube control line abdicating hole is formed in the center of the blind nut; the valve deck is arranged at the center of the valve; a fracture groove is arranged at one side of a fragile wall of the valve deck; the valve opening mechanism is arranged inside a valve cavity; and the detonation tube is arranged on the valve opening mechanism. The aerating capacity of the dry powder extinguishing agent is ensured; the explosion suppression effect is ensured; a smooth powder discharge channel is also ensued; the efficiency of injecting the fire extinguishing media is improved; and the advantages of a plurality of channels are played.

Description

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

Technical field

The invention 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 installed on the powder extinguishing agent storage tank, play the passage between blocking-up or unlatching powder extinguishing agent storage tank and the 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 takes place 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 in specification as Chinese patent Granted publication CN201953397U is described, the China's coal-mine down-hole isolated and the method that suppresses gas and dust explosion mostly adopts to hang at excavation support and namely hangs isolated blast water bottle in the past, 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 disclosed Chinese patent literature is seen in, slightly with exemplify as the novel license notification number of practicality CN201277056Y(pressure storage type gas, dust explosion explosion suppression device), CN201578778U(air-generating explosion suppressor), CN201401189Y(is mining automatic powder spraying explosion suppression device), CN201211404Y(fuel gas and dust blast explosion suppression device) and invention patent mandate notification number CN102230398B(dust explosion explosion suppression device), etc.

Though the patent scheme that is not limited to exemplify above respectively has corresponding technique effect, but there is following logical fraud: one, owing to be that powder squib is arranged in the dry powder storage tank chamber of powder extinguishing agent storage tank with ignition mechanism, thereby cause certain degree of difficulty not only for manufacturing and assembling, 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 the dry powder storage tank chamber to be affected; Its two because ignition mechanism is arranged in the dry powder storage tank chamber, the therefore anxiety that existence exerts an influence to the parts that are associated with powder squib during the can powder extinguishing agent again in will be to dry powder storage tank chamber; They are three years old, because the jar of dry powder storage tank mouthful and injector are as being to rely on closure (as the described sealing film of CN102230398B) isolation between the nozzle, therefore when under initiate mode, after pressure momentariness in the dry powder storage tank chamber breaks through closure, broken closure might produce the dry powder injector and stop up situation, thereby influences 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 the 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 comes down to because due to the controlling organization of shortage between powder extinguishing agent storage tank and dry powder injector, this controlling organization is applicant's described powder extinguishing agent relief valve in the above.Especially, there is no all technology enlightenments that the valve that is comprehensively remedied aforementioned technical problem rational in infrastructure is set in disclosed domestic and abroad patent and the 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 formed technical scheme described below finally, and is taking to prove practicable through simulated test under the strict secrecy provision.

Summary of the invention

Task of the present invention is to provide a kind of and helps to embody desirable functional reliability and use and ensure excellent datonation-inhibition effect, be conducive to avoid to take the powder extinguishing agent storage tank the tank body chamber the space and use the charged into capacity that ensures jar endoceliac powder extinguishing agent, 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 and be convenient to charge into nitrogen dioxide gas to the tank body chamber and use that raising is continuous to the tank body chamber irritates the efficient of firing-fighting medium and have the two or more powder inlet pipe interface of being good at satisfying to the dry powder injector to require for powder simultaneously and use the powder extinguishing agent relief valve structure that the powder extinguishing agent storage tank of the explosion suppression device of performance multichannel advantage is used.

Task of the present invention is finished 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 constitutes a narrow contracting Connection Block towards an end of described tank body interface, this narrow contracting Connection Block is insinuated in the tank body interface and with the tank body interface thread and connects, on the wall body of valve body, offer the one group of nipple orifice of dusting that communicates with the valve body chamber of valve body with the interval state, be equipped with one for the logical tube cell joint that is connected with the dry powder injector of explosion suppression device in the nipple orifice of respectively dusting, and on valve body, also offer the firing-fighting medium injection gallery, this firing-fighting medium injection gallery communicates with described tank body chamber, in the firing-fighting medium injection gallery, be provided with a passage and open and close valve, valve gap and described valve body connect back to the threaded one end of described tank body interface, and the diapire at this valve gap offers a seal screw cap mating holes, 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 the 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, this valve-lifting mechanism is connected with the bonnet chamber of described bonnet, and powder squib is arranged on the described valve-lifting mechanism.

In a specific embodiment of the present invention, 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, constitute a prerotation vane chamber at this piston plate towards a side of piston plate prerotation vane, in this prerotation vane chamber and the middle position that is positioned at the prerotation vane chamber constitute a pull bar Connection Block, and constitute an ignition base at piston plate towards the middle position of a side of described valve gap, this ignition base has a powder squib container cavity, the piston plate prerotation vane is arranged in the 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 the 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 behind 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 the described powder squib container cavity, and protected by the holder of described powder squib pressure cap, this powder squib is caused outside the described valve gap after passing resigning hole and described powder squib control line resigning hole successively by the powder squib control line.

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

In another specific embodiment of the present invention, constitute a buffering ring support chamber at described bumper ring fixed disk towards a side of described bumper ring, bumper ring matches with this buffering ring support chamber and fixes with buffering ring support chamber.

Also have in the specific embodiment of the present invention, in described buffering ring support chamber and around the circumferencial direction that cushions the ring support chamber, offer one group of screw hole with the interval state, this group screw hole is blind hole, on described bumper ring and in the position corresponding to described screw hole, offer pool of buffer circle fixing screw hole with the interval state, 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 invention and in specific embodiment, described end at described pull bar is equipped with a swivel nut, and outside the outer wall of the described other end of pull bar constitutes connecting thread, constitute a pull bar connecting thread hole at described pull bar Connection Block, described outer connecting thread is threaded with this pull bar connecting thread hole.

In of the present invention and then specific embodiment, offer a center bleeder port at 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 the pull bar.

Of the present invention 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 at this spring base and introduce the hole, spring and steel ball are arranged in the firing-fighting medium injection gallery, and steel ball is limited by the steel ball limited 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 the steel ball.

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

One of technique effect of technical scheme provided by the invention and since with valve body tank body outside and the tank body interface of tank body connect, thereby can not take the space in tank body chamber, can ensure that powder extinguishing agent is at the endoceliac capacity that charges into of jar; Two, owing to the position that valve has been arranged in the endoceliac position of valve corresponding to the nipple orifice of dusting, thereby when the valve-lifting mechanism Open valve, a jar endoceliac powder extinguishing agent is drawn from the nipple orifice of dusting, have desirable functional reliability and ensured the datonation-inhibition effect of explosion suppression device; Three because valve still can remain in the connection status with valve-lifting mechanism after unlatching, thereby can not enter the nipple orifice of dusting, thereby can ensure powder spout unimpeded of dry powder injector; Four owing to offer the firing-fighting medium injection gallery at valve body, thereby can improve the continuous efficient of irritating firing-fighting medium to the 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 invention.

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

Fig. 3 is application examples schematic diagram of the present invention.

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

Fig. 5 is the schematic diagram behind the Open valve.

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 all be not restriction to the present invention program to the description of embodiment, 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.

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 invention, and the other end of tank body 1 is shown by plug 13(Fig. 3) shutoff.By shown in Figure 1, be processed with at 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 invention comprises valve body 2, valve gap 3, valve 4, valve-lifting mechanism 5 and powder squib 6, valve body 2 is that the upper end of location status illustrated in figures 1 and 2 constitutes a diameter less than the narrow contracting Connection Block 21 of the diameter of valve body 2 towards an end of aforementioned tank body interface 12, outer wall at this narrow contracting Connection Block 21 is processed with Connection Block external screw thread 211, and 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 the tank body interface 12 and by Connection Block external screw thread 211 by its narrow contracting Connection Block 21 and removably is connected on the tank body 1 with connecting cooperating of mouthful internal thread 121.On the wall body of valve body 2 and around the circumferencial direction of valve body 2, 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, being provided with the discharge tube joint at the inwall of the nipple orifice 23 of respectively dusting 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 by the valve gap on it 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 after adding valve bonnet seal circle 33, and the middle position at the diapire of this valve gap 3 offers a seal screw cap mating holes 31, on sealing blind nut mating holes 31, connected a seal screw cap 311 with thread fiting mode, middle position at sealing blind nut 311 offers a powder squib control line resigning hole 3111, valve 4 screw threads are provided in the valve body chamber 22, and corresponding to the position of the aforesaid nipple orifice 23 of dusting to nipple orifice 23 sealings of dusting, just block the powder extinguishing agent in the tank body chamber 11 and the passage between the nipple orifice 23 of dusting.Shown in figure, on the outer wall of valve 4 and be positioned at top and constitute valve and connect external screw thread 42, and be provided with valve body lumen wall internal thread 221 at 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 the fragile wall 411 of bonnet and the circumferencial direction that centers on bonnet fragility wall 411.Why being called the fragile wall 411 of bonnet, is because offer aforesaid easy fracture groove 4111 at 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 referring to 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, this valve-lifting mechanism 5 is connected with the bonnet chamber 412 of aforementioned bonnet 41.Powder squib 6 is arranged on the 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, connect requirement in order to satisfy many interfaces of dry powder injector 9.Also offer the firing-fighting medium injection gallery 24 for perfusion firing-fighting medium in tank body chamber 11 on valve body 2, this firing-fighting medium injection gallery 24 communicates with tank body chamber 11, and is provided with passage keying 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 aforementioned firing-fighting medium injection gallery 24 towards the port position of an end in described tank body chamber 11, and offer nitrogen dioxide at this spring base 71 and introduce hole 711, spring 72 1 steel balls 73 are arranged in the firing-fighting medium injection gallery 24, wherein: steel ball 73 is limited by the steel ball limited step 241 that is formed in the 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 the 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, be example with the shown position, 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 constitute a prerotation vane chamber 511, in this prerotation vane chamber 511 and the middle position that is positioned at prerotation vane chamber 511 constitute a pull bar Connection Block 5111 that is raised in the surface of piston plate chamber diapire, constitute a pull bar connecting thread hole 51111 at pull bar Connection Block 5111, and constituting an ignition base 512 at piston plate 51 towards the middle position 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 the powder squib container cavity 5121, and after powder squib 6 blasts were namely ignited, the high pressure draught of generation just entered in the prerotation vane chamber 511 from igniting air-flow discharge orifice 513.Piston plate prerotation vane 52 is arranged in the 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, on the sidewall of piston plate prerotation vane 52 and around the circumferencial direction of this sidewall, be embedded with a sidewall sealing ring 522, this sidewall sealing ring 522 is sealed and matched with the chamber wall in aforementioned prerotation vane chamber 511, and the hole wall at the aforementioned pull bar Connection Block mating holes 521 of piston plate prerotation vane 52 is embedded with a hole wall sealing ring 523, and 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 the 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, constitute a buffering ring support chamber 532 at bumper ring fixed disk 53 towards a side of aforementioned bumper ring 54, bumper ring 54 matches with this buffering ring support chamber 532 and is fixing with buffering ring support chamber 532.Specifically: in described buffering ring support chamber 532 and around the circumferencial direction that cushions ring support chamber 532, offer one group of screw hole 5321 with the interval state, this group screw hole 5321 is blind hole, on described bumper ring 54 and in the position corresponding to described screw hole 5321, offer pool of buffer circle fixing screw hole 541 with the interval state, bumper ring 54 and described screw hole 5321 are fixed in the position corresponding to bumper ring fixing screw hole 541 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 by way of aforesaid pull bar resigning hole 531 and pull bar Connection Block mating holes 521 backs 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, aforementioned end at aforementioned pull bar 55 namely is equipped with a swivel nut 551 towards an end of bonnet 41, and at the i.e. connecting thread 552 outside the outer wall of an end of pull bar Connection Block 5111 constitutes of the aforementioned other end of pull bar 55, 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 at 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, this center bleeder port 553 communicates with aforementioned valve body chamber 22 by the side direction bleeder port 5531 that is opened on the pull bar 55.Because center bleeder port 553 communicates with bonnet chamber 412, so the air in the bonnet 412 release by side direction bleeder port 5531 entering center bleeder port 553 backs, and the bonnet that enters the central authorities of bumper ring 54 with guarantee bonnet 41 after coming off falls in the chamber 542.

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 by way of aforesaid resigning hole 561 and powder squib control line resigning hole 3111 backs be illustrated in Fig. 3's and be arranged on the support 8 electric control box 81 electrical controls be connected.

See also Fig. 3, be furnished with of the present invention and be arranged on the 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, being example by location status shown in Figure 3 at present, side at the width of support 82 namely fixedly has 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 a side and the opposite side at the top of injector fixed case 83 respectively form an inclined plane 831 just as the ogival roof of buildings respectively is provided with a pair of flare up fire collector 832 by flare up fire collector holder 8311 in the position to correspond to each other on each inclined plane 831 and preferably thus.Certainly, the quantity of flare up fire collector 832 also can be one (should use-case be a pair of), so when flare up fire collector 832 is one, both can use infrared ray sensor, also can use UV sensor; Should use-case and resemble, because flare up fire collector 832 has two (namely a pair of), so one of them adopts infrared ray sensor, and another then 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 flare up fire collector 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 constitute, 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 connects top between two groups of columns 841 by connecting crossbeam 8411, space between the column 841 constitutes powder extinguishing agent storage tank chamber, storage tank seat 842 is fixedlyed connected with the bottom of column 841, and ceiling molding 843 connects with the aforesaid crossbeam 8411 that is connected by screw 8431.Each is with baffle plate hold-down screw 84111 and corresponding to the fixed-site that is preset in the screw fixed hole 8413 on the column 841 one baffle plate 8412 is being arranged at the middle part of the short transverse of two groups of columns 841, and being opposite to powder extinguishing agent storage tank on the storage tank seat 842 by baffle plate 8412 is that aforesaid tank body 1 keeps off and protecting.Preferably, also can and between a pair of ceiling molding 843, set up a reinforcement crossbeam 844 on aforesaid one group of connection crossbeam 8411, and the end between adjacent connection crossbeam 8411 arranges bolt-type blend stop 84112, and the upper end that is opposite to the aforementioned tank body 1 on the storage tank seat 842 by bolt-type blend stop 84112 is spacing.

See also Fig. 4 and continue to see Fig. 3, in Fig. 3, provided one group of dry powder injector 9, in should use-case, as described above, because the quantity of one group of dry powder injector 9 is chosen as six, the quantity of the tank body of having mentioned therefore 1 also should have six mutually, but can not limit the present invention 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 the radiation form, namely are fixed on the left side (shown position is example) of injector fixed case 83.Here the radiation form 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, each fixedly has a fixing ear 913 one end of nozzle stationary pipes 91 and the other end, fixedly fixedly ear snail nail 9131 is fixing with injector fixed case 83 in ear 913 uses, constitute or claim to have received a pair of logical tube cell interface 912 towards a side of injector fixed case 83 in this jet blower stationary pipes 91, 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 passes through to lead to tube cell 9121 and be connected with above-described discharge tube joint 231.Because logical tube cell interface 912 has a pair of namely two, therefore the nipple orifice 23 of dusting that is opened on the 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, on horizontal nozzles 92 and constitute one first V-arrangement at the outlet position corresponding to horizontal nozzles 92 and lead powder groove 921, lead 921 pairs of powder extinguishing agents by horizontal nozzles 92 ejections of powder groove by this first V-arrangement and play the good homogeneous 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, on each angled nozzle 93 and constitute one second V-arrangement at the export department's bit position corresponding to angled nozzle 93 and lead function that powder groove 931, the second V-arrangements lead powder groove 931 as the description of first V-arrangement being led powder groove 921.

By shown in Figure 4, because first cell wall 9211 of the first V-arrangement gathering sill 921 corresponding to the outlet position of horizontal nozzles 92 and be inclined upwardly, therefore has the effect of upwards evenly dispersing from horizontal nozzles 92 spouting powder extinguishing agents; Again, because 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 angled nozzle 93 spouting powder extinguishing agents, 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 the 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, connected on this tank body interface 12 by the detailed powder extinguishing agent relief valve structure of showing of the present invention of Fig. 1 and Fig. 2.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 invention, 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 832 perception of flare up fire collector, and give electric control box 81 by flare up fire collector 832 with signal feedback, give powder squib 6 by electric control box 81 with signal feedback, be that powder squib 6 is lighted a fire and exploded, the high pressure draught that explosion time produces (gas that produces by being contained in the gas generating agent generation chemical reactions in the 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 maintain between the bottom of piston plate prerotation vane 52 and the prerotation vane chamber 511, therefore air-flow enters this and presses quick-fried space 524 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, that is, owing to making to bottom offset of piston plate 51 presses quick-fried space 524 to become big.

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 it is descending to drive pull bar 55 when piston plate 51 is descending, descending by pull bar 55 pulling bonnets 41 in the moments that pull bar 55 is descending.At this moment, because the position of valve 4 is constant, so the bonnet fragility wall 411 that is connected between bonnet 41 and the valve 4 ruptures, and by pull bar 55 bonnet 41 pulled from valve 4, and falls into (falling) and fall in the chamber 542 to bonnet.The air flue that before has been positioned at fragile wall 411 shutoff of bonnet of the bonnet 41 on the 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 enters a pair of discharge tube joint 231 that connects on the nipple orifice 23 of dusting from valve body chamber 22, 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 the flame that produces when being ignited by gas simultaneously from horizontal nozzles 92 and angled nozzle 93, flame speed is namely put out in bud.

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

Claims

1. 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) constitutes a narrow contracting Connection Block (21) towards an end of described tank body interface (12), this narrow contracting Connection Block (21) is insinuated in the tank body interface (12) and with tank body interface (12) screw thread and connects, on the wall body of valve body (2), offer the one group of nipple orifice of dusting (23) that communicates with the valve body chamber (22) of valve body (2) with the interval state, be equipped with one for the logical tube cell joint (231) that is connected with the dry powder injector of explosion suppression device in the nipple orifice of respectively dusting (23), and on valve body (2), also offer firing-fighting medium injection gallery (24), this firing-fighting medium injection gallery (24) communicates with described tank body chamber (11), in firing-fighting medium injection gallery (24), be provided with a passage and open and close valve (7), valve gap (3) connects with the threaded one end of described valve body (2) back to described tank body interface (12), and the diapire at this valve gap (3) offers a seal screw cap mating holes (31), go up screw thread at sealing blind nut mating holes (31) and be equipped with a seal screw cap (311), middle position at sealing blind nut (311) offers a powder squib control line resigning hole (3111), valve (4) screw thread is provided in the described valve body chamber (22), and at the position corresponding to the described nipple orifice of dusting (23) 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 the valve (4), this valve-lifting mechanism (5) is connected with the bonnet chamber (412) of described bonnet (41), and powder squib (6) is arranged on the described valve-lifting mechanism (5).

2. 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), constitute a prerotation vane chamber (511) at this piston plate (51) towards a side of piston plate prerotation vane (52), in this prerotation vane chamber (511) and the middle position that is positioned at prerotation vane chamber (511) constitute a pull bar Connection Block (5111), and constitute an ignition base (512) at piston plate (51) towards the middle position 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 the described prerotation vane chamber (511) with fluctuating, and be sealed and matched with the prerotation vane chamber wall of 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 the 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) by way of described pull bar resigning hole (531) and pull bar Connection Block mating holes (521) back 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 the described powder squib container cavity (5121), and protected by described powder squib pressure cap (56) holder, this powder squib (6) is caused outside the described valve gap (3) after passing resigning hole (561) and described powder squib control line resigning hole (3111) successively by powder squib control line (61).

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 the hole wall at the described pull bar Connection Block mating holes (521) of piston plate prerotation vane (52) is embedded with a hole wall sealing ring (523), and 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 constituting a buffering ring support chamber (532) at described bumper ring fixed disk (53) towards a side 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. 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 in described buffering ring support chamber (532) and around the circumferencial direction that cushions ring support chamber (532), offering one group of screw hole (5321) with the interval state, this group screw hole (5321) is blind hole, upward and in the position corresponding to described screw hole (5321) offer pool of buffer circle fixing screw hole (541) 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).

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 outside the outer wall of the described other end of pull bar (55) constitutes connecting thread (552), constitute a pull bar connecting thread hole (51111) at described pull bar Connection Block (5111), 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) at 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 the pull bar (55).

9. 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 at this spring base (71) and introduce hole (711), spring (72) and steel ball (73) are arranged in the firing-fighting medium injection gallery (24), and steel ball (73) is limited by the steel ball limited step (241) that is formed in the 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 the steel ball (73).

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