CN103256068A

CN103256068A - Mine explosion suppression device

Info

Publication number: CN103256068A
Application number: CN2013102033772A
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: CN103256068B

Abstract

The invention discloses a mine explosion suppression device, and belongs to the technical field of mine safety facilities. The mine explosion suppression device comprises a skid, a machine base, a group of dry powder ejectors, a group of dry powder storage tanks, a group of dry powder releasing valves and a group of detonating pipes. The machine base is fixed on the skid, an ejector fixing box is arranged on one side in the width direction of the machine base, a flame signal collector is fixed on the top of the ejector fixing box, and an electrical control box is arranged on the other side in the width direction of the machine base. The group of dry powder ejectors is fixed on one side, opposite to the machine base, of the ejector fixing box. The group of dry powder storage tanks is arranged on the machine base, and is respectively provided with a releasing-valve-matched connector in an extending mode. The group of dry powder releasing valves is connected with releasing-valve-matched connectors in a matched mode and is communicated with a storage tank cavity. The group of detonating pipes is matched with the dry powder releasing valves. The dry powder ejectors are connected with the dry powder releasing valves. The mine explosion suppression device avoids the disadvantages that the detonating pipes are large in occupied storage tank cavity area when being arranged in the storage tank cavity, can guarantee dry powder ejecting effect of the dry powder ejectors and working reliability of the detonating pipes, facilitates fast extinguishing flame caused by gas, and ensures that the flame is in a budding state.

Description

The colliery explosion suppression device

Technical field

The invention belongs to the coalmining safety facility technical field, be specifically related to a kind of colliery explosion suppression device, be mainly used in suppressing coal mine gas, dust and the blast of other inflammable gas, the industry that also can be used for such as natural gas extraction industry and flour, wood powder and fine chemistry industry suppresses dust explosion.

Background technology

According to the fire-fighting requirement, the occasion that exemplifies on be not limited to must be equipped with such as portable dry powder fire extinguisher and handcart-type powder fire extinguisher and corresponding sprinkling fire-distinguishing apparatus, but because these facilities all need manual operation, therefore tend to miss an opportunity because of a delay, and slow in one's movements, be not enough to the security of the lives and property is fully ensured.

Technical information about explosion suppression device, existing being seen in disclosed Chinese patent literature, as the novel license notification number of practicality CN201277056Y(elastic energy storing style gas, dust explosion explosion suppression device), there is following shortcoming at least in this patent scheme: the one, and nozzle arrangements is lost reasonability, cause the extinguishing chemical of ejection to be the column tendency, it is limited namely to spray area coverage; The 2nd, the mobility shortcoming is installed comparatively trouble in the field of employment; The 3rd, tank body can't be according to needing adjustment together with the angle of nozzle.

The air-generating explosion suppressor that CN201578778U recommends is for CN201277056Y, and structure of nozzle is comparatively reasonable, forms horn-likely, for enlarging jet face achievement is arranged, but to put in order property be its deficiency to the adjustable angle that does not have mobility and a tank body.

The nozzle of fuel gas and dust that CN201211404Y provides blast explosion suppression device is opposite with CN201578778U, can make the ultimate attainment expansion of coverage rate of spray fire extinguishing agent, yet tank body can't change and cause using the bad adaptability at scene together with the angle of nozzle is its shortcoming.In addition, owing to do not have mobility, for example in the time will installing, tend to be puzzled with moving, comparatively trouble namely is installed.The mining automatic powder spraying explosion suppression device that CN201401189Y discloses and structure and the operating principle of aforementioned CN201211404Y are similar.

The dust explosion explosion suppression device that invention patent mandate notification number CN102230398B discloses can be eliminated the shortcoming of aforementioned patent basically, and objectively can embody the technique effect described in its manual the 0018th hurdle.

Though the patent 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 dry powder 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, therefore in will be to dry powder storage tank chamber, have the anxiety that the parts that are associated with powder squib are exerted an influence again during the can powder extinguishing agent; They are three years old, because the jar of dry powder storage tank mouthful and ejector 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 ejector and stop up situation, thereby influences ejector to the jeting effect of powder extinguishing agent; Its four because ejector 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 storage tank chamber might occurring.

In view of above-mentioned prior art, be necessary to be improved, the applicant has done long-term and useful exploration for this reason, has formed technical scheme described below finally, and is taking under the strict secrecy provision through simulated test, and it is practicable that the result proves.

Summary of the invention

The task of the present invention is to provide a mechanism to help the ignition squib as provided in dry powder tank cavity in order to facilitate the manufacture and assembly and to avoid dry tank cavity occupied space, and prevent holes for dusting closure closed after leaving the spray hole injectors produce interference effects in order to protect the jet ejector effect, beneficial to avoid the continued irrigation for dry powder extinguishing chamber tank agent impact on the ignition mechanism to safeguard the ignition mechanism operational reliability and are easy to play integration advantages in order to fully guarantee in a very short period of time caused by the gas flame completely extinguished in order to protect the safety of coal mine explosion suppression devices.

Task of the present invention is finished like this, and a kind of colliery explosion suppression device comprises a sled; One support, this support is fixed on the described sled, and the side at the width of this support is provided with an ejector fixed case, one or above flare up fire collector are fixedly arranged at the top of this ejector fixed case, opposite side at the width of support is provided with an electric control box, and described flare up fire collector is connected with this electric control box electrical control; One group of dry powder ejector, this group of dry powder ejector is fixed on described ejector fixed case back to a side of described support with the radiation form; One group of powder extinguishing agent storage tank that quantity equates with the quantity of described dry powder ejector, this group powder extinguishing agent storage tank is arranged on the described support, and between described ejector fixed case and electric control box, on each powder extinguishing agent storage tank and under the use state towards under an end be extended with a relief valve that communicates with the storage tank chamber and connect mouth; One group of powder extinguishing agent relief valve that is used for outside release of the powder extinguishing agent in the storage tank chamber of powder extinguishing agent storage tank supplied with described dry powder ejector injection that quantity equates with the quantity of described powder extinguishing agent storage tank, this powder extinguishing agent relief valve and described relief valve connect mouth and connect, and communicate with described storage tank chamber; Equate and the powder squib that be connected with described electric control box electrical control of quantity of one group of quantity and described powder extinguishing agent relief valve, this powder squib matches with the powder extinguishing agent relief valve, and described dry powder ejector is connected with described powder extinguishing agent relief valve by pipeline.

In a specific embodiment of the present invention, described flare up fire collector is flame detection sensor.

In another specific embodiment of the present invention, when the quantity of described flame detection sensor was one, then this flame detection sensor was infrared ray sensor or UV sensor; And when the quantity of flame detection sensor was two, then one of them flame detection sensor was infrared ray sensor, and another then is UV sensor.

In another specific embodiment of the present invention, on described support and in the position corresponding to described powder extinguishing agent storage tank, be installed with the powder extinguishing agent tank support, the powder extinguishing agent storage tank with its described relief valve connect mouthful towards under state support on the powder extinguishing agent tank support.

In another specific embodiment of the present invention, described one group of dry powder ejector respectively comprises a nozzle stationary pipes, one horizontal nozzles and one group of angled nozzle, nozzle stationary pipes and described ejector fixed case are fixed back to a side of described support, constitute and the fixing logical tube cell interface that communicates of tube chamber of the nozzle of nozzle stationary pipes towards a side of ejector fixed case in this nozzle stationary pipes, logical tube cell interface is connected with described powder extinguishing agent relief valve by logical tube cell, horizontal nozzles is fixed on the nozzle stationary pipes back to a side of ejector fixed case with level, and with described nozzle fixedly tube chamber communicate, one group of angled nozzle is fixed on the nozzle stationary pipes below corresponding to horizontal nozzles and with downward-sloping state, each angled nozzle and nozzle fixedly tube chamber communicate, the described powder extinguishing agent relief valve that communicates with described storage tank chamber and described relief valve connect a mouthful screw thread and connect, and the described powder squib that is connected with described electric control box electrical control is that electricity causes powder squib.

Also have in the specific embodiment of the present invention, described powder extinguishing agent relief valve comprises valve body, valve gap, piston plate, the piston plate prerotation vane, the bumper ring fixed disk, bumper ring, bearing ring, pull bar and powder squib pressure cap, valve body constitutes a narrow contracting Connection Block towards the end that described relief valve connects mouth, this narrow contracting Connection Block be insinuated into relief valve connect mouthful in and connect a mouthful screw thread with relief valve and connect, wall body at valve body offers the nipple orifice of dusting that communicates with the valve body chamber of valve body, in dusting nipple orifice, this is equipped with logical tube cell joint, described logical tube cell is connected with logical tube cell joint, and on valve body, also offer the nitrogen dioxide injection gallery, this nitrogen dioxide injection gallery communicates with described storage tank chamber, in the nitrogen dioxide injection gallery, be provided with a passage and open and close valve, the valve gap screw thread connects an end that connects mouth at valve body back to relief valve, and the diapire at this valve gap offers a seal screw cap mating holes, screw thread has connected 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, piston plate is positioned at described valve body chamber, this piston plate towards on a side constitute a positioning disk chamber, in this positioning disk chamber and the middle position that is positioned at the positioning disk chamber constitute a pull bar Connection Block, ignite base and constitute one at piston plate back to the middle position of a side in described positioning disk chamber, this ignition base has a powder squib container cavity, the piston plate prerotation vane is arranged in the described positioning disk chamber up or down, and be sealed and matched with the positioning disk chamber wall in positioning disk 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 piston plate prerotation vane, the bearing ring screw thread is provided in the described valve body chamber, central authorities at this bearing ring constitute a pressure-bearing cap, the bottom of the outer wall of this pressure-bearing cap is connected with bearing ring by the fragile wall of pressure-bearing cap, one end of pull bar probes in the pressure-bearing cap chamber of pressure-bearing cap, and be threaded with pressure-bearing cap 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 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 being connected with described electric control box electrical control behind resigning hole and powder squib control line resigning hole successively by the powder squib control line.

More of the present invention and in specific embodiment, in the bottom in the positioning disk 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 of the present invention and then specific embodiment, offer a center bleeder port at described pull bar, this center bleeder port is positioned at the upper end of the short transverse of pull bar, and be positioned at 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 nitrogen dioxide injection gallery towards the port position of an end in described storage tank chamber, and offer nitrogen dioxide at this spring base and introduce the hole, spring and steel ball are arranged in the nitrogen dioxide injection gallery, and steel ball is limited by the steel ball limited step that is formed in the nitrogen dioxide 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, sidewall at the circumferencial direction of described piston plate prerotation vane is embedded with a sidewall sealing ring, this sidewall sealing ring cooperates with the inner wall sealing in described positioning disk chamber, and the hole wall at described pull bar Connection Block mating holes is embedded with a hole wall sealing ring, and this hole wall sealing ring and described pull bar Connection Block are sealed and matched.

Technical scheme provided by the invention is with respect to one of technique effect of prior art, connect on the powder extinguishing agent relief valve that mouth connects because powder squib has been arranged on relief valve with the powder extinguishing agent storage tank, thereby avoided the drawback that takies the space in storage tank chamber in the storage tank chamber unreasonably because being arranged at; Two because one group of powder extinguishing agent relief valve can not produce interference effect to the powder delivery in storage tank chamber after discharging, thereby can guarantee the dry powder jeting effect of dry powder ejector; Three because powder extinguishing agent relief valve and relief valve connect and mouthful connect, therefore in the time will continuing the filling powder extinguishing agent to the storage tank chamber, can the powder squib as ignition mechanism not exerted an influence, thereby guarantees the functional reliability of powder squib; Four because dry powder ejector, powder extinguishing agent storage tank, powder extinguishing agent relief valve and powder squib respectively have one group, thereby can bring into play desirable integrated advantage, have the flame speed of being convenient to being caused by gas namely to put out in bud.

Description of drawings

Fig. 1 is the embodiments of the invention structure chart.

Fig. 2 is the detailed structure view of dry powder ejector shown in Figure 1.

Fig. 3 is the assembling assumption diagram of powder extinguishing agent relief valve shown in Figure 1.

Fig. 4 is in the schematic diagram of closed condition for powder extinguishing agent relief valve shown in Figure 2.

Fig. 5 is in the schematic diagram of opening for powder extinguishing agent relief valve shown in Figure 2.

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.

Embodiment:

See also Fig. 1, provided a sled 1, the sled that the structure of this sled 1 is used just as skiing, this structure extremely is conducive to the present invention is moved required place to the roadway of colliery, even can be provided on the coal-winning machine.For the ease of traction, therefore each fixedly has a sled tow lug 11 in the end, two ends of sled 1.

Provided a support 2, this support 2 is fixed on or claims and carries on aforesaid sled 1, being example by location status shown in Figure 1 at present, side at the width of support 2 namely fixedly has an ejector fixed case 21 in the left side, lambdoid structure is formed on the top of this ejector fixed case 21, structure and make a side and the opposite side at the top of ejector fixed case 21 respectively form an inclined plane 212 just as the ogival roof of buildings respectively is provided with a pair of flare up fire collector 211 by flare up fire collector holder 2111 in the position to correspond to each other on each inclined plane 212 and preferably thus.Certainly, the quantity of flare up fire collector 211 also can be one (present embodiment is a pair of), so when flare up fire collector 211 is one, both can use infrared ray sensor, also can use UV sensor; And resemble present embodiment, because flare up fire collector 211 has two (namely a pair of), so one of them adopts infrared ray sensor, and another then adopts UV sensor.Be that the right side of state shown in Figure 1 is installed with an electric control box 22 at the opposite side of the width of support 2, aforesaid a pair of flare up fire collector 211 respectively is connected with electric control box 22 electrical controls by its holding wire 2112.Top at the length direction of support 2 is provided with powder extinguishing agent tank support 23.

Aforesaid powder extinguishing agent tank support 23 is by two groups of columns 231 of parallel setting, two groups of storage tank seats 232 and one group of ceiling molding 233 constitute, wherein one group of column 231 in two groups of columns 231 is fixed on a side of the length direction of support 2 with the interval state, and another group column 231 in two groups of columns 231 is fixed on the opposite side of the length direction of support 2, each connects top between two groups of columns 231 by connecting crossbeam 2311, space between the column 231 constitutes powder extinguishing agent storage tank chamber, storage tank seat 232 is fixedlyed connected with the bottom of column 231, and ceiling molding 233 connects with the aforesaid crossbeam 2311 that is connected by screw 2331.Each is with baffle plate hold-down screw 23121 and corresponding to the fixed-site that is preset in the screw fixed hole 2313 on the column 231 one baffle plate 2312 is being arranged at the middle part of the short transverse of two groups of columns 231, is opposite to powder extinguishing agent storage tank 4 on the storage tank seat 232 by baffle plate 2312 and keeps off and protecting.Preferably, also can and between a pair of ceiling molding 233, set up a reinforcement crossbeam 234 on aforesaid one group of connection crossbeam 2311, and the end between adjacent connection crossbeam 2311 arranges bolt-type blend stop 23111, and the upper end that is opposite to the powder extinguishing agent storage tank 4 on the storage tank seat 232 by bolt-type blend stop 23111 is spacing.

See also Fig. 2 and continue to see Fig. 1, provided one group of dry powder ejector 3, in the present embodiment, because the quantity of one group of dry powder ejector 3 is chosen as six, the quantity of the powder extinguishing agent storage tank of having mentioned therefore 4 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 ejectors 3 are fixed on aforementioned ejector fixed case 21 back to a side of support 2 with the radiation form, namely are fixed on the left side (shown position is example) of ejector fixed case 21.Here the radiation form of saying refer to one group of dry powder ejector 3 by the center to external diffusion.

Because the structure of one group of dry powder ejector 3 is identical, therefore the applicant only selects one and is described as follows, comprise a nozzle stationary pipes 31, one horizontal nozzles 32 and one group of angled nozzle 33, each fixedly has a fixing ear 313 one end of nozzle stationary pipes 31 and the other end, fixedly fixedly ear snail nail 3131 is fixing with ejector fixed case 21 in ear 313 uses, constitute or claim to have received a pair of logical tube cell interface 312 towards a side of ejector fixed case 21 in this jet blower stationary pipes 31, logical tube cell interface 312 is insinuated in the case chamber of ejector fixed case 21, the nozzle of logical tube cell interface 312 and nozzle stationary pipes 31 fixedly tube chamber 311 communicates, and is connected with the following powder extinguishing agent relief valve 5 that also will describe in detail by leading to tube cell 3121.Horizontal nozzles 32 with the level solid welding in the side of nozzle stationary pipes 31 back to ejector fixed case 21, and with nozzle fixedly tube chamber 311 communicate.Shown in figure, on horizontal nozzles 32 and constitute one first V-arrangement at the outlet position corresponding to horizontal nozzles 32 and lead powder groove 321, lead 321 pairs of powder extinguishing agents by horizontal nozzles 32 ejections of powder groove by this first V-arrangement and play the good homogeneous disperse function.One group of angled nozzle 33 below corresponding to horizontal nozzles 32 with downward-sloping state solid welding in the side of nozzle stationary pipes 31 back to ejector fixed case 21, each angled nozzle 33 and nozzle fixedly tube chamber 311 communicate.As the description to horizontal nozzles 32, on each angled nozzle 33 and constitute one second V-arrangement at the export department's bit position corresponding to angled nozzle 33 and lead function that powder groove 331, the second V-arrangements lead powder groove 331 as the description of first V-arrangement being led powder groove 321.

By shown in Figure 2, because first cell wall 3211 of the first V-arrangement gathering sill 321 corresponding to the outlet position of horizontal nozzles 32 and be inclined upwardly, therefore has the effect of upwards evenly dispersing from horizontal nozzles 32 spouting powder extinguishing agents; Again, because second cell wall 3311 of the second V-arrangement gathering sill 331 is slightly downward-sloping, therefore have the effect of evenly dispersing downwards from angled nozzle 33 spouting powder extinguishing agents, thereby play the good effect of surrounding of the flame that gas is caused, the flame speed that gas is caused is namely put out.

Still see also Fig. 1, aforesaid one group (six) powder extinguishing agent storage tank 4 is supported on the powder extinguishing agent tank support 23 in the position corresponding to aforementioned storage tank seat 232, on each powder extinguishing agent storage tank 4 and under the use state towards under an end receive a relief valve that communicates with its storage tank chamber 42 and connect mouthfuls 41, the other end of powder extinguishing agent storage tank 4 is by plug 43 shutoff, pinch for the ease of grabbing, therefore on powder extinguishing agent storage tank 4 and the upper end solid welding that to be positioned at an aforesaid end with plug 43 be location status shown in Figure 1 one handle 44 is arranged.

See also Fig. 3, as described above, because the quantity of one group of powder extinguishing agent storage tank 4 is six in the present embodiment, therefore powder extinguishing agent relief valve 5 has six equally, the relief valve that is each powder extinguishing agent storage tank 4 connects powder extinguishing agent relief valve 5 of configuration on the mouth 41, because the structure of six powder extinguishing agent relief valves 5 is identical, so the applicant only selects one below and is elaborated.

Above mentioned powder extinguishing agent relief valve 5 preferably but not the structure that definitely is limited to is as follows: comprise valve body 51, valve gap 52, piston plate 53, piston plate prerotation vane 54, bumper ring fixed disk 55, bumper ring 56, bearing ring 57, pull bar 58 and powder squib pressure cap 59, valve body 51 constitutes a diameter less than the narrow contracting Connection Block 511 of the diameter of valve body 51 towards the end that aforesaid relief valve connects mouth 41, outer wall at this narrow contracting Connection Block 511 constitutes Connection Block external screw thread 5111, when this narrow contracting Connection Block 511 is insinuated into relief valve and connects in mouthfuls 41 with Connection Block external screw thread 5111 with relief valve connect in the mouth 41 connect mouthful screw thread 411(Fig. 4 and Fig. 5 shows) screw thread connects, wall body at valve body 51 offers one group of nipple orifice 513 of dusting that communicates with the valve body chamber 512 of valve body 51, in this dusts nipple orifice 513, connect an end of logical tube cell joint 5131 with the screw thread docked mode, and the other end of logical tube cell joint 5131 connects with it for aforesaid logical tube cell 3121.As preferred scheme, the quantity of one group of discharge tube nipple orifice 513 is three, one of them is as standby, and with 5132 shutoff of screw plug, and all connect logical tube cell joint 5131 in all the other two discharge tube nipple orifice 513, in order to satisfy the requirement that connects of logical tube cell 3121 on aforesaid two logical tube cell interfaces 312.Also offer nitrogen dioxide injection gallery 514 on valve body 51, this nitrogen dioxide injection gallery 514 also can be described as the aeration hole, and communicates with storage tank chamber 42.In nitrogen dioxide injection gallery 514, be provided with a passage and open and close valve 7.Valve gap 52 connects screw thread 522 by the valve gap on it and is threaded back to the valve gap connecting thread 515 that relief valve connects an end of mouth 41 with valve body 51, and offer a seal screw cap mating holes 521 at the diapire of this valve gap 52 (be example with location status shown in Figure 3), on sealing blind nut mating holes 521, connect a seal screw cap 5211 with thread fiting mode, offered a powder squib control line resigning hole 52111 at the middle position of sealing blind nut 5211.Piston plate 53 is positioned at described valve body chamber 512, this piston plate 53 towards on a side namely constitute a positioning disk chamber 531 towards a side of the following piston plate prerotation vane of be about to describing 54, in this positioning disk chamber 531 and the middle position that is positioned at positioning disk chamber 531 constitute a pull bar Connection Block 5311, the inner chamber of this pull bar Connection Block 5311 constitutes pull bar connecting thread hole 53111, ignite base 532 and namely constitute one towards the middle position of a side of the bottom of aforementioned valve gap 52 at piston plate 53 back to the side in positioning disk chamber 531, this ignition base 532 has a powder squib container cavity 5321.In the bottom in positioning disk chamber 531 and offer one group around the circumferencial direction of pull bar Connection Block 5311 with the interval state and ignite air-flow discharge orifice 533, ignite air-flow discharge orifice 533 for this group and communicate with aforesaid powder squib container cavity 5321.Piston plate prerotation vane 54 floating grounds namely are arranged in the aforesaid positioning disk chamber 531 movably, and the sidewall at the circumferencial direction of this piston plate prerotation vane 54 is embedded with a sidewall sealing ring 542, is sealed and matched by the inwall (being the chamber wall) of this sidewall sealing ring 542 with positioning disk chamber 531.Again, middle position at piston plate prerotation vane 54 offers a pull bar Connection Block mating holes 541, this pull bar Connection Block mating holes 541 is sealed and matched with aforesaid pull bar Connection Block 5311, specifically: the hole wall at pull bar Connection Block mating holes 541 is embedded with a hole wall sealing ring 543, and pull bar Connection Block mating holes 541 and pull bar Connection Block 5311 are sealed and matched.Bumper ring fixed disk 55 is stacked on the piston plate 53, and the top corresponding to aforementioned piston plate prerotation vane 54, middle position at this bumper ring fixed disk 55 offers a pull bar resigning hole 551, this pull bar resigning hole 551 is corresponding with pull bar Connection Block mating holes 541, and is nested with on pull bar Connection Block 5311.Shown in figure, constitute a buffering ring support chamber 552 at bumper ring fixed disk 55 towards a side of bumper ring 56, in this buffering ring support chamber 552 and around the circumferencial direction that cushions ring support chamber 552, offer one group of screw hole 5521 with the interval state.Bumper ring 56 is by the pool of buffer circle fixing screw hole 561 on it and fixing at position and screw hole 5521 corresponding to aforesaid buffering ring support chamber 552 by means of bumper ring hold-down screw 5611, that is to say that bumper ring 56 is fixed on bumper ring fixed disk 55 back to a side of piston plate prerotation vane 54, constitute a pressure cap in the central authorities of this bumper ring 56 and fall chamber 562.The bearing ring that bearing ring 57 connects by the bearing ring on its outer wall on the chamber wall in external screw thread 572 and valve body chamber 512 is connected internal thread 5121 connections, central authorities at this bearing ring 57 constitute a pressure-bearing cap 571, the bottom of the outer wall of this pressure-bearing cap 571 is connected with bearing ring 57 by the fragile wall 5711 of pressure-bearing cap, why be called the fragile wall 5711 of pressure-bearing cap, be because offer an easy fracture groove 57111 at the fragile wall 5711 of this pressure-bearing cap, when this easy fracture groove 57111 ruptures fully, the fragile wall 5711 of whole pressure-bearing cap just separates with bearing ring 57, specifically can be referring to shown in Figure 5.Again, connecting thread 57121 in the chamber wall in the pressure-bearing cap chamber 5712 of pressure-bearing cap 571 is provided with, pull bar 58(also can claim stay column) an end probe in the pressure-bearing cap chamber 5712 of pressure-bearing cap 571, and by the swivel nut 582 on it with aforesaid in connecting thread 57121 be threaded, and the other end of pull bar 58 is threaded with aforesaid pull bar connecting thread hole 53111 by the outer connecting thread 583 on it by way of aforesaid pull bar resigning hole 551 and pull bar Connection Block mating holes 541 backs passing successively namely successively.Offer a center bleeder port 581 at this pull bar 58, this center bleeder port 581 is positioned at the upper end of the short transverse of pull bar 58, and corresponding to the middle position of pull bar 58, this center bleeder port 581 communicates with valve body chamber 512 by the side direction bleeder port 5811 that is opened on the pull bar 58.Because center bleeder port 581 communicates with pressure-bearing cap chamber 5712, therefore the air in the pressure-bearing cap chamber 5712 are released by side direction bleeder port 5811 entering center bleeder port 581 backs, to ensure that pressure-bearing cap 571 enters aforesaid pressure cap and falls in the chamber 562 (specifically can referring to Fig. 4 and Fig. 5) after coming off.Powder squib pressure cap 59 connects by pressure cap internal thread 592 and pressure cap connecting thread 5322 screw threads on the outer wall of igniting base 532, and offers a resigning hole 591 at the middle position of the bottom of this powder squib pressure cap 59.

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 nitrogen dioxide injection gallery 514 towards the port position of an end in described storage tank chamber 42, and offer nitrogen dioxide at this spring base 71 and introduce hole 711, spring 72 1 steel balls 73 are arranged in the nitrogen dioxide injection gallery 514, wherein: steel ball 73 is limited by the steel ball limited step 5141 that is formed in the nitrogen dioxide injection gallery 514, and an end bearing of spring 72 is on spring base 71, and the other end is bearing on the steel ball 73.

When will be in the storage tank chamber 42 of powder extinguishing agent storage tank 4 during the perfusion nitrogen dioxide gas, so as long as pipe is connected with the nitrogen dioxide aeration mouth 5142 of nitrogen dioxide injection gallery 514, under the compressive force effect, push up and open (unlatching) steel ball 73, spring 72 compressions, thereby nitrogen dioxide gas is introduced in the 711 introducing storage tank chambeies 42, hole successively through nitrogen dioxide injection gallery 514 and nitrogen dioxide, irritate and finish, under the restoring force effect of spring 72, sealed by 73 pairs of nitrogen dioxide injection galleries of steel ball.

By shown in Figure 3, one powder squib 6 is housed inside in the aforesaid ignition tube chamber 5321, this powder squib 6 causes powder squib for electricity, the concept that so-called electricity causes is to ignite after energising, and the powder squib control line 61 of powder squib 6 is being connected with aforesaid electric control box 22 electrical controls with powder squib control line resigning hole 52111 backs by way of aforesaid resigning hole 591.

Application examples:

See also Fig. 4, this structure shown in Figure 4 is actually the sectional view after Fig. 3 assembling, keeps a gap between the positioning disk chamber 531 of the bottom of piston plate prerotation vane 54 and piston plate 53, constitutes by this gap and presses quick-fried space 544.

See also Fig. 5 and in conjunction with Fig. 1 and Fig. 3, when causing naked light by watt its blast, at first by 211 perception of flare up fire collector, and give electric control box 22 by flare up fire collector 211 with signal feedback, give powder squib 6 by electric control box 22 with signal feedback, be that powder squib 6 is lighted a fire and exploded, the air-flow 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 5321 from the powder squib sky and is entered in the positioning disk chamber 531 of piston plate 53 through igniting air-flow discharge orifice 533, press quick-fried space 544 owing to maintain between the bottom of piston plate prerotation vane 54 and the positioning disk chamber 531, therefore air-flow enters this and presses in the quick-fried space 544, and whole piston plate 53 is moved down, become state shown in Figure 5 by state shown in Figure 4, that is, owing to making to bottom offset of piston plate 53 presses quick-fried space 544 to become big.

At above-mentioned piston plate 53 in the process of bottom offset, because pull bar 58 not only had been connected with the pressure-bearing cap 571 of bearing ring 57 but also be connected with the interior pull bar Connection Block 5311 in the positioning disk chamber 531 of piston plate 53, therefore it is descending to drive pull bar 58 when piston plate 53 is descending, descending by pull bar 58 pulling pressure-bearing caps 571 in the moments that pull bar 58 is descending.At this moment, because the position of bearing ring 57 is constant, so the pressure-bearing cap fragility wall 5711 that is connected between pressure-bearing cap 571 and the bearing ring 57 ruptures, and by pull bar 58 pressure-bearing cap 571 pulled from bearing ring 57, and drops into pressure cap and fall in the chamber 562.The air flue that before has been positioned at fragile wall 5711 shutoff of pressure-bearing cap of the pressure-bearing cap 571 on the bearing ring 57 this moment is opened because of coming off of pressure-bearing cap 571, specifically by shown in Figure 5, powder extinguishing agent (industry claims the ABC powder usually) in the storage tank chamber 42 of powder extinguishing agent storage tank 4 just enters a pair of logical tube cell joint 5131 that connects on the nipple orifice 513 of dusting from valve body chamber 512, show through logical tube cell 3121(Fig. 1) introduce the fixing tube chamber 311 of nozzle of the nozzle stationary pipes 31 of dry powder ejector 3, and then spray to the flame that produces when being ignited by gas simultaneously from horizontal nozzles 32 and angled nozzle 33, 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. A kind of colliery explosion suppression device is characterized in that comprising a sled (1); One support (2), this support (2) is fixed on the described sled (1), and the side at the width of this support (2) is provided with an ejector fixed case (21), one or above flare up fire collector (211) are fixedly arranged at the top of this ejector fixed case, opposite side at the width of support (2) is provided with an electric control box (22), and described flare up fire collector (211) is connected with this electric control box (22) electrical control; One group of dry powder ejector (3), this one group of dry powder ejector (3) is fixed on described ejector fixed case (21) back to a side of described support (2) with the radiation form; One group of powder extinguishing agent storage tank (4) that quantity equates with the quantity of described dry powder ejector (3), this group powder extinguishing agent storage tank (4) is arranged on the described support (2), and be positioned between described ejector fixed case (21) and the electric control box (22), each powder extinguishing agent storage tank (4) go up and under the use state towards under an end be extended with a relief valve that communicates with storage tank chamber (42) and connect mouth (41); One group of powder extinguishing agent relief valve (5) that is used for outside release of the powder extinguishing agent in the storage tank chamber (42) of powder extinguishing agent storage tank (4) supplied with described dry powder ejector (3) injection that quantity equates with the quantity of described powder extinguishing agent storage tank (4), this powder extinguishing agent relief valve (5) connects mouthful (41) with described relief valve and connects, and communicates with described storage tank chamber (42); Equate and the powder squib (6) that be connected with described electric control box (22) electrical control of quantity of one group of quantity and described powder extinguishing agent relief valve (5), this powder squib (6) matches with powder extinguishing agent relief valve (5), and described dry powder ejector (3) is connected with described powder extinguishing agent relief valve (5) by pipeline.

2. Colliery according to claim 1 explosion suppression device is characterized in that described flare up fire collector (211) is flame detection sensor.

3. Colliery according to claim 2 explosion suppression device is characterized in that when the quantity of described flame detection sensor was one, then this flame detection sensor was infrared ray sensor or UV sensor; And when the quantity of flame detection sensor was two, then one of them flame detection sensor was infrared ray sensor, and another then is UV sensor.

4. Colliery according to claim 1 explosion suppression device, it is characterized in that going up and being installed with powder extinguishing agent tank support (23) in the position corresponding to described powder extinguishing agent storage tank (4) at described support (2), powder extinguishing agent storage tank (4) with its described relief valve connect mouthful (41) towards under state support on powder extinguishing agent tank support (23).

5. Colliery according to claim 1 explosion suppression device, it is characterized in that described one group of dry powder ejector (3) respectively comprises a nozzle stationary pipes (31), one horizontal nozzles (32) and one group of angled nozzle (33), nozzle stationary pipes (31) is fixed back to a side of described support (2) with described ejector fixed case (21), constitute and the fixing logical tube cell interface (312) that communicates of tube chamber (211) of the nozzle of nozzle stationary pipes (31) towards a side of ejector fixed case (21) in this nozzle stationary pipes (31), logical tube cell interface (312) is connected with described powder extinguishing agent relief valve (5) by logical tube cell (3121), horizontal nozzles (32) is fixed on nozzle stationary pipes (31) back to a side of ejector fixed case (21) with level, and with described nozzle fixedly tube chamber (311) communicate, one group of angled nozzle (33) is being fixed on the nozzle stationary pipes (31) corresponding to the below of horizontal nozzles (32) and with downward-sloping state, each angled nozzle (33) and nozzle fixedly tube chamber (311) communicate, the described powder extinguishing agent relief valve (5) that communicates with described storage tank chamber (42) connects mouthful (a 41) screw thread with described relief valve and connects, and the described powder squib (6) that is connected with described electric control box (22) electrical control causes powder squib for electricity.

6. Colliery according to claim 5 explosion suppression device, it is characterized in that described powder extinguishing agent relief valve (5) comprises valve body (51), valve gap (52), piston plate (53), piston plate prerotation vane (54), bumper ring fixed disk (55), bumper ring (56), bearing ring (57), pull bar (58) and powder squib pressure cap (59), valve body (51) constitutes a narrow contracting Connection Block (511) towards the end that described relief valve connects mouthful (41), this narrow contracting Connection Block (511) is insinuated into relief valve and connects in mouthful (41) and connect mouthful (a 41) screw thread with relief valve and connect, wall body at valve body (51) offers the nipple orifice of dusting (513) that communicates with the valve body chamber (512) of valve body (51), in this nipple orifice of dusting (513), be equipped with logical tube cell joint (5131), described logical tube cell (3121) is connected with logical tube cell joint (5131), and on valve body (51), also offer nitrogen dioxide injection gallery (514), this nitrogen dioxide injection gallery (514) communicates with described storage tank chamber (42), in nitrogen dioxide injection gallery (514), be provided with a passage and open and close valve (7), valve gap (52) screw thread connects an end that connects mouthful (41) at valve body (51) back to relief valve, and the diapire at this valve gap (52) offers a seal screw cap mating holes (521), go up screw thread at sealing blind nut mating holes (521) and connected a seal screw cap (5211), middle position at sealing blind nut (5211) offers a powder squib control line resigning hole (52111), piston plate (53) is positioned at described valve body chamber (512), constitute a positioning disk chamber (531) at this piston plate (53) towards a last side, in this positioning disk chamber (531) and the middle position that is positioned at positioning disk chamber (531) constitute a pull bar Connection Block (5311), ignite base (532) and constitute one at piston plate (53) back to the middle position of a side in described positioning disk chamber (531), this ignition base (532) has a powder squib container cavity (5321), piston plate prerotation vane (54) is arranged in the described positioning disk chamber (531) up or down, and be sealed and matched with the positioning disk chamber wall of positioning disk chamber (531), middle position at this piston plate prerotation vane (54) offers a pull bar Connection Block mating holes (541), this pull bar Connection Block mating holes (541) is sealed and matched with described pull bar Connection Block (5311), bumper ring fixed disk (55) is stacked on the piston plate (53), and the top corresponding to described piston plate prerotation vane (54), middle position at this bumper ring fixed disk (55) offers a pull bar resigning hole (551), this pull bar resigning hole (551) is corresponding with pull bar Connection Block mating holes (541), and be nested with on described pull bar Connection Block (5311), bumper ring (56) is fixed back to a side of piston plate prerotation vane (54) with bumper ring fixed disk (55), bearing ring (57) screw thread is provided in the described valve body chamber (512), central authorities at this bearing ring (57) constitute a pressure-bearing cap (571), the bottom of the outer wall of this pressure-bearing cap (571) is connected with bearing ring (57) by the fragile wall of pressure-bearing cap (5711), one end of pull bar (58) probes in the pressure-bearing cap chamber (5712) of pressure-bearing cap (571), and be threaded with pressure-bearing cap chamber (5712), and the other end of pull bar (58) is being threaded with described pull bar Connection Block (5311) by way of described pull bar resigning hole (551) and pull bar Connection Block mating holes (541) back successively, powder squib pressure cap (59) screw thread is provided on the described ignition base (532), and offer a resigning hole (591) in the bottom of this powder squib pressure cap (59), described powder squib (6) is placed in the described powder squib container cavity (5321), and protected by described powder squib pressure cap (59) holder, this powder squib (6) is being connected with described electric control box (22) electrical control with powder squib control line resigning hole (52111) back by way of resigning hole (591) successively by powder squib control line (61).

7. Colliery according to claim 6 explosion suppression device, it is characterized in that in the bottom in the positioning disk chamber (531) of described piston plate (53) and offer one group around the circumferencial direction of described pull bar Connection Block (5311) with the interval state igniting air-flow discharge orifice (533), this group ignition air-flow discharge orifice (533) communicates with described powder squib container cavity (5321).

8. Colliery according to claim 6 explosion suppression device, it is characterized in that offering a center bleeder port (581) at described pull bar (58), this center bleeder port (581) is positioned at the upper end of the short transverse of pull bar (58), and be positioned at the middle position of pull bar (58), this center bleeder port (581) communicates with described valve body chamber (512) by the side direction bleeder port (5811) that is opened on the pull bar (58).

9. Colliery according to claim 6 explosion suppression device, 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 nitrogen dioxide injection gallery (514) towards the port position of an end in described storage tank chamber (42), and offer nitrogen dioxide at this spring base (71) and introduce hole (711), spring (72) and steel ball (73) are arranged in the nitrogen dioxide injection gallery (514), and steel ball (73) is limited by the steel ball limited step (5141) that is formed in the nitrogen dioxide injection gallery (514), and an end bearing of spring (72) is on spring base (71), and the other end is bearing on the steel ball (73).

10. Colliery according to claim 6 explosion suppression device, it is characterized in that being embedded with a sidewall sealing ring (542) at the sidewall of the circumferencial direction of described piston plate prerotation vane (54), this sidewall sealing ring (542) cooperates with the inner wall sealing in described positioning disk chamber (531), and the hole wall at described pull bar Connection Block mating holes (541) is embedded with a hole wall sealing ring (543), and this hole wall sealing ring (543) is sealed and matched with described pull bar Connection Block (5311)