CN203296797U

CN203296797U - Explosion suppression device for coal mine

Info

Publication number: CN203296797U
Application number: CN2013202980734U
Authority: CN
Inventors: 郜冶; 董惠; 邹高万
Original assignee: HEILONGJIANG TAIAN FIRE AND EXPLOSION PROTECTION EQUIPMENT CO Ltd
Current assignee: HEILONGJIANG TAIAN FIRE AND EXPLOSION PROTECTION EQUIPMENT CO Ltd
Priority date: 2013-05-28
Filing date: 2013-05-28
Publication date: 2013-11-20
Anticipated expiration: 2023-05-28

Abstract

The utility model relates to an explosion suppression device for a coal mine and belongs to the technical field of safety facilities of coal mines. The explosion suppression device for the coal mine comprises a sliding sled, a machine base, a set of dry powder ejectors, a set of dry powder extinguishing agent storage tanks, a set of dry powder extinguishing agent release valves and a set of detonating pipes, wherein the machine base is fixed on the sliding sled, an ejector fixing box is arranged on one side of the machine base in the width direction, a flame signal collector is fixed on the top of the ejector fixing box, an electric control cabinet is arranged on the other side of the machine base in the width direction, the dry powder ejectors are fixedly arranged on the side, back to the machine base, of the ejector fixing box, the dry powder extinguishing agent storage tanks are arranged on the machine base, release valve matching connectors are formed in all the dry powder extinguishing agent storage tanks in a stretching mode, the dry powder extinguishing agent release valves are connected with the release valve matching connectors in a matching mode and are communicated with a storage tank cavity, the detonating pipes are matched with the dry powder extinguishing agent release valves, and the dry powder ejectors are connected with the dry powder extinguishing agent release valves. According to the explosion suppression device for the coal mine, the defect that the space of the storage tank cavity is occupied unreasonably due to the fact that the explosion suppression device is arranged inside the storage tank cavity is avoided, the dry powder ejecting effect of the dry powder ejectors can be ensured, the working reliability of the detonating pipes can be ensured, and the fact that flames caused by gas can be nipped in the bud is facilitated.

Description

The colliery explosion suppression device

Technical field

The utility model 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 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 exemplified 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 published Chinese patent literature, as practical new patent notice of authorization CN201277056Y(elastic energy storing style gas, dust explosion suppression device), at least there is following shortcoming in this patent scheme: the one, and nozzle arrangements is lost reasonability, cause the extinguishing chemical of ejection to be the column tendency, spray area coverage limited; The 2nd, the mobility shortcoming, install comparatively trouble in field of employment; The 3rd, tank body can't be according to needing adjustment together with the angle of nozzle.

The gas-producing explosion suppressor that CN201578778U recommends is for CN201277056Y, and the structure of nozzle is comparatively reasonable, forms horn-likely, for enlarging jet face, achievement is arranged, but the adjustable angle that does not have mobility and a tank body is its deficiency.

The nozzle of the gas dust explosion prevention device that CN201211404Y provides is contrary 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 on-the-spot bad adaptability together with the angle of nozzle is its shortcoming.In addition, owing to not thering is mobility, for example in the time will installing, tend to be puzzled with moving, comparatively trouble is installed.The mine automatic powder spraying explosion-suppressing device that CN201401189Y discloses and structure and the operating principle of aforementioned CN201211404Y are similar.

The dust 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.

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

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 finally formed technical scheme described below, and is taking under strict secrecy provision through simulated test, and it is practicable that result proves.

Summary of the invention

Utility task is to provide a method that facilitates the squib ignition means disposed in the outer chamber dry tank, and in order to facilitate manufacture and assembly, and to avoid the dry space occupied by the tank chamber, to help prevent closed for dusting hole closure after leaving the spray holes produce interference effects on injectors, and to safeguard the jet ejector effect, beneficial to avoid cavities in the tank continued irrigation of dry powder extinguishing agent, to produce ignition mechanism affected, and to safeguard the reliability of the ignition mechanism of work, and there are easy to play integration advantages, but in order to fully ensure that within a very short time on the flame caused by the gas completely extinguished to protect the safety of coal mine explosion suppression devices.

Task of the present utility model completes like this, and a kind of colliery explosion suppression device, comprise a sled; One support, this support is fixed on described sled, and the side at the width of this support is provided with an ejector fixed case, be fixed with one or above flame signal acquisition device at the top of this ejector fixed case, opposite side at the width of support is provided with an electric control box, and described flame signal acquisition device is connected with this electric control box electrical control; One group of dry powder ejector, this group of dry powder ejector is fixed on the side of described ejector fixed case back to described support with radial patterning; 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 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 communicated with the storage tank chamber and connect mouth; One group of quantity equates with the quantity of described powder extinguishing agent storage tank supplies with the powder extinguishing agent relief valve that described dry powder ejector sprays for the powder extinguishing agent in the storage tank chamber by the powder extinguishing agent storage tank outwards discharges, this powder extinguishing agent relief valve and described relief valve connect mouth and connect, and communicate with described storage tank chamber; That equate and the powder squib that be connected with described electric control box electrical control of the 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 utility model, described flame signal acquisition device is flame detection sensor.

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

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

Also has a specific embodiment of the present utility model, 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, the end formation that valve body connects mouth towards described relief valve has a narrow contracting Connection Block, this narrow contracting Connection Block be insinuated into relief valve connect mouthful in and connect a mouthful screw thread with relief valve and connect, offer the nipple orifice of dusting communicated with the valve body chamber of valve body on the wall body 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 also offer the nitrogen dioxide injection gallery on valve body, this nitrogen dioxide injection gallery communicates with described storage tank chamber, be provided with a passage and open and close valve in the nitrogen dioxide injection gallery, the valve gap screw thread connects and connects an end of mouth at valve body back to relief valve, and offer a seal screw cap mating holes on the diapire of this valve gap, on sealing blind nut mating holes, screw thread has connected a seal screw cap, 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 form a positioning disk chamber arranged, in this positioning disk chamber and the middle position that is positioned at the positioning disk chamber form a pull bar Connection Block arranged, and form back to the middle position of a side in described positioning disk chamber at piston plate, an ignition base is arranged, this ignition base has a powder squib container cavity, the piston plate prerotation vane is arranged in 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 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 described valve body chamber, central authorities' formation at this bearing ring has 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 successively after described pull bar resigning hole and pull bar Connection Block mating holes, powder squib pressure cap screw thread is provided on described ignition base, and offer a resigning hole in the bottom of this powder squib pressure cap, described powder squib is placed in described powder squib container cavity, and protected by the holder of described powder squib pressure cap, this powder squib by the powder squib control line successively by way of resigning hole with after powder squib control line resigning hole, with described electric control box electrical control, be connected.

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

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

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

The technical scheme that the utility model provides is with respect to one of technique effect of prior art, because relief valve powder squib has been arranged on the powder extinguishing agent storage tank connects on mouthful powder extinguishing agent relief valve connected, thereby avoided the drawback that takies unreasonably the space in storage tank chamber in the storage tank chamber because being arranged at; Two, can not produce interference effect to the powder delivery in storage tank chamber due to one group of powder extinguishing agent relief valve 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, mouthful connect, therefore, in the time will continuing to the storage tank chamber filling powder extinguishing agent, 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 to put out in bud.

The accompanying drawing explanation

Fig. 1 is example structure figure of the present utility model.

The detailed structure view that Fig. 2 is the dry powder ejector shown in Fig. 1.

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

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

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

The specific embodiment

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

Embodiment:

Refer to 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 utility model is moved to the required place in the roadway of colliery, even can be provided on coal-winning machine.For the ease of traction, therefore in the end, two ends of sled 1, respectively be fixed with a sled tow lug 11.

Provided a support 2, this support 2 is fixed on or claims and carries on aforesaid sled 1, the current location status as shown in Figure 1 of take is example, a side at the width of support 2 is fixed with an ejector fixed case 21 in left side, lambdoid structure is formed on the top of this ejector fixed case 21, structure and make the side at top of ejector fixed case 21 and the inclined plane 212 that opposite side respectively forms a roofing just as the ogival building thus, respectively by flame signal acquisition device holder 2111, be provided with a pair of flame signal acquisition device 211 in position to correspond to each other on each inclined plane 212 and preferably.Certainly, the quantity of flame signal acquisition device 211 can be also one (the present embodiment is a pair of), so, when flame signal acquisition device 211 is one, both can use infrared ray sensor, also can use UV sensor; And resemble the present embodiment, because flame signal acquisition device 211 has two (a pair of), so one of them adopts infrared ray sensor, and another adopts UV sensor.The right side that is state shown in Fig. 1 at the opposite side of the width of support 2 is installed with an electric control box 22, and aforesaid a pair of flame signal acquisition device 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 form, 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 is connected top between two groups of columns 231 by connecting cross beam 2311, space between column 231 forms powder extinguishing agent storage tank chamber, storage tank seat 232 is fixedly connected with the bottom of column 231, ceiling molding 233 is connected with aforesaid connecting cross beam 2311 by screw 2331.At the middle part of the short transverse of two groups of columns 231, each is fixed with a baffle plate 2312 with baffle plate hold-down screw 23121 and in the position corresponding to being preset in the screw fixed hole 2313 on column 231, is opposite to powder extinguishing agent storage tank 4 on storage tank seat 232 by baffle plate 2312 and keeps off and protecting.Preferably, also can on aforesaid one group of connecting cross beam 2311 and between a pair of ceiling molding 233, set up a reinforcement crossbeam 234, and the end between adjacent connecting cross beam 2311 arranges bolt-type blend stop 23111, the upper end that is opposite to the powder extinguishing agent storage tank 4 on storage tank seat 232 by bolt-type blend stop 23111 is spacing.

Refer to 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 4 of having mentioned therefore also should have six mutually, but can not limit the utility model according to this quantity because both may be as few as three also can eight of as many as or more than.Shown in figure, six dry powder ejectors 3 are fixed on the side of aforementioned ejector fixed case 21 back to support 2 with radial patterning, are fixed on the left side (shown position is example) of ejector fixed case 21.Here the radial patterning said refer to one group of dry powder ejector 3 by 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, one end of nozzle stationary pipes 31 and the other end respectively are fixed with a fixing ear 313, fixedly ear 313 is used fixedly ear snail nail 3131 to fix with ejector fixed case 21, form and to have or to 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 be connected with the following powder extinguishing agent relief valve 5 that also will describe in detail by logical tube cell 3121.Horizontal nozzles 32 with the level solid welding in nozzle stationary pipes 31 side back to ejector fixed case 21, and with nozzle fixedly tube chamber 311 communicate.Shown in figure, form and have one first V-arrangement to lead powder groove 321 on horizontal nozzles 32 and at the outlet position corresponding to horizontal nozzles 32, lead 321 pairs of powder extinguishing agents by horizontal nozzles 32 ejections of powder groove by this first V-arrangement and play good even disperse function.One group of angled nozzle 33 below corresponding to horizontal nozzles 32 with downward-sloping state solid welding in nozzle stationary pipes 31 side 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 at the export department bit position corresponding to angled nozzle 33, form and have one second V-arrangement to lead function that powder groove 331, the second V-arrangements lead powder groove 331 as the first V-arrangement being led to the description of powder groove 321.

As shown in Figure 2, due to the 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 from horizontal nozzles 32, spouting powder extinguishing agent has the effect of upwards evenly dispersing; Again, because the second cell wall 3311 of the second V-arrangement gathering sill 331 is slightly downward-sloping, therefore from angled nozzle 33, spouting powder extinguishing agent has the effect of evenly dispersing downwards, thereby plays the good effect of surrounding of the flame that gas is caused, and the flame speed that gas is caused put out.

Still refer to Fig. 1, aforesaid one group (six) powder extinguishing agent storage tank 4 is supported on 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 communicated 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, therefore for the ease of grabbing, pinch, on powder extinguishing agent storage tank 4 and be positioned at the upper end solid welding that the aforesaid end with plug 43 is location status shown in Fig. 1 one handle 44 is arranged.

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

Above mentioned powder extinguishing agent relief valve 5 preferably but not the structure definitely be 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, the end formation that valve body 51 connects mouth 41 towards aforesaid relief valve has a diameter to be less than the narrow contracting Connection Block 511 of the diameter of valve body 51, form Connection Block external screw thread 5111 is arranged on the outer wall of this narrow contracting Connection Block 511, when this narrow contracting Connection Block 511 be insinuated into relief valve connect mouthfuls 41 when interior by Connection Block external screw thread 5111 with relief valve connect in mouthfuls 41 connect mouthful screw thread 411(Fig. 4 and Fig. 5 shows) screw thread connects, offer one group of nipple orifice 513 of dusting communicated with the valve body chamber 512 of valve body 51 on the wall body of valve body 51, in dusting nipple orifice 513, this with the screw thread docked mode, connects an end of logical tube cell joint 5131, 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 interior all the connecting of all the other two discharge tube nipple orifice 513 led to tube cell joint 5131, in order to meet the interconnection demands of the 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.Be provided with a passage and open and close valve 7 in nitrogen dioxide injection gallery 514.Valve gap 52 connects screw thread 522 by the valve gap on it and is threaded with the valve gap connecting thread 515 that valve body 51 connects an end of mouth 41 back to relief valve, and offer a seal screw cap mating holes 521 on the diapire (take location status shown in Fig. 3 as example) of this valve gap 52, connect a seal screw cap 5211 with thread fiting mode on sealing blind nut mating holes 521, at the middle position of sealing blind nut 5211, offered a powder squib control line resigning hole 52111.Piston plate 53 is positioned at described valve body chamber 512, this piston plate 53 towards on a side towards a side of the following piston plate prerotation vane 54 of be about to describing, form a positioning disk chamber 531 arranged, in this positioning disk chamber 531 and the middle position that is positioned at positioning disk chamber 531 form a pull bar Connection Block 5311 arranged, the inner chamber of this pull bar Connection Block 5311 is configured to pull bar connecting thread hole 53111, and form towards the middle position of a side of the bottom of aforementioned valve gap 52 back to the side in positioning disk chamber 531 at piston plate 53, an ignition base 532 is arranged, 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 are arranged in aforesaid positioning disk chamber 531 movably, and be embedded with a sidewall sealing ring 542 on the sidewall of the circumferencial direction of this piston plate prerotation vane 54, be sealed and matched by this sidewall sealing ring 542 and the inwall (being the chamber wall) in 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: be embedded with a hole wall sealing ring 543 on the hole wall of pull bar Connection Block mating holes 541, by this hole wall sealing ring 543, make pull bar Connection Block mating holes 541 and pull bar Connection Block 5311 be sealed and matched.Bumper ring fixed disk 55 is stacked on 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, towards a side formation of bumper ring 56, a buffering ring support chamber 552 is arranged at bumper ring fixed disk 55, offer one group of screw hole 5521 with the interval state in this buffering ring support chamber 552 and around the circumferencial direction that cushions ring support chamber 552.Bumper ring 56 is being fixed corresponding to 552 position, aforesaid buffering ring support chamber and screw hole 5521 by the pool of buffer circle fixing screw hole 561 on it and by means of bumper ring hold-down screw 5611, that is to say that bumper ring 56 is fixed on the side of bumper ring fixed disk 55 back to piston plate prerotation vane 54, in the central authorities of this bumper ring 56, form and have a pressure cap to fall chamber 562.Bearing ring 57 connects external screw thread 572 by the bearing ring on its outer wall and is connected internal thread 5121 connections with the bearing ring on the wall of 512 chamber, valve body chamber, central authorities' formation at this bearing ring 57 has 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, because offer an easy fracture groove 57111 on 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 shown in Figure 5.Again, be provided with interior connecting thread 57121 on the chamber wall in the pressure-bearing cap chamber 5712 of pressure-bearing cap 571, 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 interior connecting thread 57121, be threaded, and the other end of pull bar 58 is passing and is being threaded with aforesaid pull bar connecting thread hole 53111 by the outer connecting thread 583 on it after aforesaid pull bar resigning hole 551 and pull bar Connection Block mating holes 541 successively successively.Offer a center bleeder port 581 on this pull bar 58, this center bleeder port 581 is positioned at the upper end of the short transverse of pull bar 58, and the middle position ，Gai center bleeder port 581 corresponding to pull bar 58 communicates with valve body chamber 512 by the side direction bleeder port 5811 be opened on pull bar 58.Because center bleeder port 581 communicates with pressure-bearing cap chamber 5712, therefore the air in pressure-bearing cap chamber 5712 are released by side direction bleeder port 5811 after entering center bleeder port 581, to ensure that pressure-bearing cap 571 enters aforesaid pressure cap and falls in 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 the port position of aforementioned nitrogen dioxide injection gallery 514 towards an end in described storage tank chamber 42, and offer nitrogen dioxide introduction hole 711 on this spring base 71, spring 72 1 steel balls 73 are arranged in nitrogen dioxide injection gallery 514, wherein: steel ball 73 is limited by the steel-ball limiting step 5141 be formed in nitrogen dioxide injection gallery 514, and an end bearing of spring 72 is on spring base 71, the other end is bearing on steel ball 73.

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

As shown in Figure 3, one powder squib 6 is housed inside in 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, the powder squib control line 61 of powder squib 6 in transit through aforesaid resigning hole 591 with after powder squib control line resigning hole 52111, with aforesaid electric control box 22 electrical controls, be connected.

Application examples:

Refer to Fig. 4, the structure shown in this Fig. 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, by this gap, is configured to and presses quick-fried space 544.

Refer to Fig. 5 and in conjunction with Fig. 1 and Fig. 3, when by watt its blast, causing naked light, at first by flame signal acquisition device 211 perception, and by flame signal acquisition device 211 by signal feedback to electric control box 22, by electric control box 22 by signal feedback to powder squib 6, be that powder squib 6 is lighted a fire and explodes, the air-flow that explosion time produces (gas produced by being contained in the gas generating agent generation chemical reactions in 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 maintaining between the bottom of piston plate prerotation vane 54 and positioning disk chamber 531, therefore air-flow enters this and presses in quick-fried space 544, and under the effect of air-flow, make whole piston plate 53 move down, state as shown in Figure 4 becomes the state shown in Fig. 5, , due to piston plate 53, to bottom offset, make to press quick-fried space 544 to become large.

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 had been connected with the pull bar Connection Block 5311 in the positioning disk chamber 531 of piston plate 53, therefore drive pull bar 58 descending when piston plate 53 is descending, the moment descending at pull bar 58 pulls pressure-bearing cap 571 descending by pull bar 58.Now, because the position of bearing ring 57 is constant, so fragile wall 5711 fractures of pressure-bearing cap that are connected between pressure-bearing cap 571 and bearing ring 57, by pull bar 58, pressure-bearing cap 571 is pulled from bearing ring 57, and drop into pressure cap and fall in chamber 562.The air flue that now before had been positioned at fragile wall 5711 shutoff of pressure-bearing cap of the pressure-bearing cap 571 on bearing ring 57 is opened because of coming off of pressure-bearing cap 571, specifically as 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 connected on the nipple orifice 513 of dusting from valve body chamber 512, through logical tube cell 3121(Fig. 1, show) introduce the fixing tube chamber 311 of nozzle of the nozzle stationary pipes 31 of dry powder ejector 3, and then spray to while being ignited by gas the flame produced from horizontal nozzles 32 and angled nozzle 33 simultaneously, flame speed put out in bud.

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

Claims

1. a kind of colliery explosion suppression device, is characterized in that comprising a sled (1); One support (2), this support (2) is fixed on described sled (1), and the side at the width of this support (2) is provided with an ejector fixed case (21), be fixed with one or above flame signal acquisition device (211) 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 flame signal acquisition device (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 the side of described ejector fixed case (21) back to described support (2) with radial patterning; 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 described support (2), and be positioned between described ejector fixed case (21) and electric control box (22), at each powder extinguishing agent storage tank (4) upper and under the use state towards under an end be extended with a relief valve communicated with storage tank chamber (42) and connect mouth (41); One group of quantity equates with the quantity of described powder extinguishing agent storage tank (4) supplies with the powder extinguishing agent relief valve (5) that described dry powder ejector (3) sprays for the powder extinguishing agent in the storage tank chamber (42) by powder extinguishing agent storage tank (4) outwards discharges, this powder extinguishing agent relief valve (5) connects mouthful (41) with described relief valve and connects, and communicates with described storage tank chamber (42); That equate and the powder squib (6) that be connected with described electric control box (22) electrical control of the 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 flame signal acquisition device (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 is one, this flame detection sensor is infrared ray sensor or UV sensor; And, when the quantity of flame detection sensor is two, one of them flame detection sensor is infrared ray sensor, another is UV sensor.

4. colliery according to claim 1 explosion suppression device, it is characterized in that upper at described support (2) and be installed with powder extinguishing agent tank support (23) in the position corresponding to described powder extinguishing agent storage tank (4), 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), form towards a side of ejector fixed case (21) the nozzle logical tube cell interface (312) that fixedly tube chamber (211) communicates had with nozzle stationary pipes (31) 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 the side of nozzle stationary pipes (31) back to ejector fixed case (21) with level, and with described nozzle fixedly tube chamber (311) communicate, one group of angled nozzle (33) is fixed on nozzle stationary pipes (31) in the below corresponding to 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) communicated with described storage tank chamber (42) connects mouthful (a 41) screw thread with described relief valve and connects, the described powder squib (6) be 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), the end formation that valve body (51) connects mouthful (41) towards described relief valve has a narrow contracting Connection Block (511), 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, offer the nipple orifice of dusting (513) communicated with the valve body chamber (512) of valve body (51) on the wall body of valve body (51), be equipped with logical tube cell joint (5131) in this nipple orifice of dusting (513), described logical tube cell (3121) is connected with logical tube cell joint (5131), and also offer nitrogen dioxide injection gallery (514) on valve body (51), this nitrogen dioxide injection gallery (514) communicates with described storage tank chamber (42), be provided with a passage and open and close valve (7) in nitrogen dioxide injection gallery (514), valve gap (52) screw thread connects and connects an end of mouthful (41) at valve body (51) back to relief valve, and offer a seal screw cap mating holes (521) on the diapire of this valve gap (52), connected a seal screw cap (5211) at the upper screw thread of sealing blind nut mating holes (521), 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), form a positioning disk chamber (531) is arranged towards a upper side at this piston plate (53), in this positioning disk chamber (531) and the middle position that is positioned at positioning disk chamber (531) form a pull bar Connection Block (5311) arranged, and form back to the middle position of a side in described positioning disk chamber (531) at piston plate (53), an ignition base (532) is arranged, this ignition base (532) has a powder squib container cavity (5321), piston plate prerotation vane (54) is arranged in 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 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 described valve body chamber (512), central authorities' formation at this bearing ring (57) has 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) successively after described pull bar resigning hole (551) and pull bar Connection Block mating holes (541), powder squib pressure cap (59) screw thread is provided on 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 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 after powder squib control line resigning hole (52111) 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) on described pull bar (58), this center bleeder port (581) is positioned at the upper end of the short transverse of pull bar (58), and the middle position ，Gai center bleeder port (581) that is positioned at pull bar (58) communicates with described valve body chamber (512) by the side direction bleeder port (5811) be opened on 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 the port position of described nitrogen dioxide injection gallery (514) towards an end in described storage tank chamber (42), and offer nitrogen dioxide introduction hole (711) on this spring base (71), spring (72) and steel ball (73) are arranged in nitrogen dioxide injection gallery (514), and steel ball (73) is limited by the steel-ball limiting step (5141) be formed in nitrogen dioxide injection gallery (514), and an end bearing of spring (72) is on spring base (71), the other end is bearing on 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) on the sidewall of the circumferencial direction of described piston plate prerotation vane (54), this sidewall sealing ring (542) coordinates with the inner wall sealing in described positioning disk chamber (531), and be embedded with a hole wall sealing ring (543) on the hole wall of described pull bar Connection Block mating holes (541), this hole wall sealing ring (543) is sealed and matched with described pull bar Connection Block (5311).