CN109764764B - Blasting dust fall fire prevention gun device - Google Patents
Blasting dust fall fire prevention gun device Download PDFInfo
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- CN109764764B CN109764764B CN201910138095.6A CN201910138095A CN109764764B CN 109764764 B CN109764764 B CN 109764764B CN 201910138095 A CN201910138095 A CN 201910138095A CN 109764764 B CN109764764 B CN 109764764B
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- 238000005422 blasting Methods 0.000 title claims abstract description 46
- 239000000428 dust Substances 0.000 title claims abstract description 31
- 230000002265 prevention Effects 0.000 title claims description 5
- 238000004880 explosion Methods 0.000 claims abstract description 77
- 239000002360 explosive Substances 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000003860 storage Methods 0.000 claims abstract description 14
- 239000007787 solid Substances 0.000 claims description 28
- 238000003466 welding Methods 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000005474 detonation Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003721 gunpowder Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Abstract
The invention discloses a blasting dust-reducing fire-fighting device, which mainly comprises a storage bin and an explosion device, wherein the storage bin is mainly used for containing dust-reducing or fire-fighting materials, the explosion bin of the explosion device is internally provided with explosive, when the explosive in the explosion bin is detonated, a large amount of high-pressure gas is generated in the explosion bin, a check valve communicated with the explosion bin is in an open state under the impact of the high-pressure gas, so that the high-pressure gas in the explosion bin enters the storage bin through the check valve, and the dust-reducing or fire-fighting materials in the storage bin are sprayed and diffused to the outside under the drive of the high-pressure gas, thereby realizing the purposes of dust reduction and fire-fighting; the blasting dust-falling fire-fighting gun device has the advantages of simple structure, reasonable design, convenient use, low cost, high dust-falling and fire-extinguishing efficiency and the like.
Description
Technical Field
The invention discloses the technical field of dust fall and fire fighting equipment, in particular to a blasting dust fall fire fighting gun device.
Background
The high-temperature high-pressure gas released instantaneously during blasting operation can form shock waves to generate a large amount of dust, and the dust has the characteristics of high diffusion speed, large diffusion area, serious pollution to surrounding environment and the like.
At present, the dust fall modes for the strip mine production blasting mainly comprise: although the dust settling method can achieve a certain dust settling purpose, the dust settling method has the problems of low dust settling efficiency, high cost and the like and cannot be widely applied to practical engineering. The dust fall mode of demolishing is mainly to adopting the comprehensive dustproof technology such as cleaning dust accumulation, floor water storage, prewetting wall body, high-pressure pipe network water spray outside the building, fire engine high-pressure water spray, helicopter water throwing bullet, etc., and the above mode can alleviate dust hazard to a certain extent, but has the problems of high input cost, complex operation, etc.
In addition, most of the existing fire extinguishing devices adopt high-pressure nitrogen or explosive as a power source. The high-pressure nitrogen cylinder group is required to be independently arranged for storing high-pressure nitrogen, so that the equipment and the control structure are complex, and the high-pressure nitrogen is required to be repeatedly filled when the high-pressure nitrogen storage device is used, so that the use cost is high; by means of explosive driving, the device has the condition that huge explosion sound and shock waves generated by gunpowder generate damage to protecting objects, a plurality of places need to be linked, and the huge shock waves and fire lights are extremely likely to generate secondary disasters.
Therefore, how to develop a novel dust-settling and fire-fighting device to solve the problems of high cost, complex operation, poor safety and the like becomes an urgent need of the industry.
Disclosure of Invention
In view of the above, the invention provides a blasting dust-falling fire-fighting gun device, which at least solves the problems of high cost, complex operation, poor safety and the like in the conventional blasting dust-falling and fire-fighting processes.
The technical scheme provided by the invention is that the blasting dust-settling fire-fighting gun device is characterized by comprising: a silo 1 and an explosive device 2;
the top of the storage bin 1 is provided with first interface tube seats 111 at intervals, and the bottom of the storage bin 1 is provided with second interface tube seats 112;
the explosive device 2 includes: an explosion chamber 21 and a long charge tube 22;
the explosion bin 21 is fixedly arranged in the bin 1, a third interface tube seat 211 is arranged on the side wall of the explosion bin 21, and a check valve 212 is arranged at the end part of the third interface tube seat 211;
one end of the charging long tube 22 is positioned in the bin 1, connected and communicated with the explosion bin 21, the other end of the charging long tube passes through the side wall of the bin 1 and is positioned outside the bin 1, a wiring seat 221 and a valve 222 are arranged on the side wall of the charging long tube 22 positioned outside the bin 1, and an openable bin door 223 is arranged at the port of the charging long tube 22 positioned outside the bin 1.
Preferably, an inner pipe 113 is disposed inside the bin 1, one end of the inner pipe 113 is connected to and communicated with the first connector tube seat 111, and the other end of the inner pipe 113 is suspended inside the bin 1.
Further preferably, the bin 1 is formed by welding two bin units 11, a first interface tube seat 111 is arranged at the top of each bin unit 11 at intervals, a second interface tube seat 112 is arranged at the bottom of each bin unit 11, an inner tube 113 is arranged in each bin unit 11, one end of the inner tube 113 is connected with and communicated with the first interface tube seat 111, and the other end of the inner tube 113 is suspended in the bin unit 11.
Further preferably, a manhole 114 is provided on each of the bin units 11.
Further preferably, the explosion device 2 is located at a splice welding position of the two bin units 11, so as to isolate the internal spaces of the two bin units 11, and two third interface tube seats 211 are arranged on the side wall of the explosion bin 21 in the explosion device 2, one third interface tube seat 211 is located in the bin unit 11 on one side, the other third interface tube seat 211 is located in the bin unit 11 on the other side, and a check valve 212 is installed at the end part of each third interface tube seat 211.
Further preferably, the inner tube 113 is a straight tube penetrating both the upper and lower ends.
Further preferably, the inner tube 113 includes: a lower tube 1131, a middle tube 1132, and an upper tube 1133;
the lower end of the lower pipe 1131 is suspended in the bin 1;
the middle pipe 1132 is a venturi pipe, the lower end of the middle pipe is connected with the upper end of the lower pipe 1131, the upper end of the middle pipe is connected with the lower end of the upper pipe 1133, and the side inlet of the middle pipe is communicated with the outlet of the check valve 212;
the upper end of the upper tube 1133 is connected to and communicates with the first connector holder 111.
Further preferably, the check valve 212 includes: valve body 2121, solid ball 2122, adjustment screw 2123, fixing plate 2124 and spring 2125;
the valve body 2121 is a cylindrical cylinder with one end open and the other end closed, the inner diameter of the open end of the valve body 2121 is smaller than that of the closed end, a screw hole is formed in the end face of the closed end of the valve body 2121, and an opening 21211 is formed in the side wall, close to the open end, of the valve body 2121;
the solid ball 2122 is located in the valve body 2121, and the diameter of the solid ball 2122 is larger than the inner diameter of the open end of the valve body 2121 and the caliber of the opening 21211;
the end part of the adjusting screw 2123 is arranged in a screw hole of the closed end of the valve body 2121 in a threaded manner;
the fixed plate 2124 is located inside the valve body 2121 and fixedly connected with the end of the adjusting screw 2123;
the spring 2125 is located within the valve body 2121 with one end abutting the solid ball 2122 and the other end abutting the fixed plate 2124.
Further preferably, the check valve 212 includes: valve body 2126, air inlet tube 2127, air outlet tube 2128 and solid ball 2029;
a spherical cavity 21261 is arranged in the valve body 2126, and vent holes communicated with the spherical cavity 21261 are respectively arranged at the upper end and the lower end of the valve body 2126;
the air outlet end of the air inlet pipe 2127 is fixedly connected with a vent hole at the lower end of the valve body 2126;
the air inlet end of the air outlet pipe 2128 is fixedly connected with a vent hole at the upper end of the valve body 2126;
the solid ball 2029 is positioned within the valve body 2126, and the diameter of the solid ball 2029 is smaller than the diameter of the spherical cavity 21261 and larger than the diameter of the vent.
Further preferably, the material contained in the bin 1 is liquid or powder.
The explosion dust-reducing fire-fighting device mainly comprises a bin and an explosion device, wherein the bin is mainly used for containing dust-reducing or fire-fighting materials, the explosion bin of the explosion device is filled with explosive, a large amount of high-pressure gas is generated in the explosion bin after the explosive in the explosion bin is detonated, a check valve communicated with the explosion bin is in an open state under the impact of the high-pressure gas, so that the high-pressure gas in the explosion bin enters the bin through the check valve, and the dust-reducing or fire-fighting materials in the bin are sprayed and diffused to the outside under the drive of the high-pressure gas, thereby achieving the purposes of dust reduction and fire extinguishing. The blasting dust-falling fire-fighting gun device can be placed near a dust source point or a fire disaster ignition point, and can be used together with related facilities to realize remote detonation so as to improve the dust-falling and fire-extinguishing effects. In addition, because the explosive in the blasting dust-falling fire-fighting gun device detonates in the closed space, secondary pollution is not generated, and the blasting dust-falling fire-fighting gun device has the advantage of high environmental friendliness.
The blasting dust-falling fire-fighting gun device provided by the invention has the advantages of simple structure, reasonable design, convenience in use, short reaction time, low cost, high dust-falling and fire-extinguishing efficiency and the like.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a blasting dust-settling fire-fighting gun device according to an embodiment of the present disclosure;
FIG. 2 is a cross-sectional view along aa of FIG. 1;
FIG. 3 is a cross-sectional view along bb of FIG. 1;
fig. 4 is a schematic structural diagram of a bin unit in a pressure type blasting dust-settling device according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a bin unit in an injection type blasting fire-fighting gun device according to an embodiment of the present disclosure;
fig. 6 is a schematic structural view 1 of an explosion device in a blasting dust-settling fire-fighting device according to an embodiment of the present disclosure;
fig. 7 is a schematic structural view 2 of an explosion device in a blasting dust-settling fire-fighting device according to an embodiment of the present disclosure;
FIG. 8 is a schematic structural view of a check valve in a blasting dust-settling fire-fighting gun device according to an embodiment of the present disclosure;
fig. 9 is a schematic structural view of another check valve in the blasting dust-settling fire-fighting gun device according to the embodiment of the present invention.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the invention. Rather, they are merely examples of apparatus consistent with aspects of the invention as detailed in the accompanying claims.
In view of the problems of low efficiency, high cost, poor safety and the like in the dust fall and fire extinguishing processes in the prior art, the embodiment provides a blasting dust fall fire prevention device, which mainly comprises a bin 1 and an explosion device 2, as shown in fig. 1, 2 and 3, wherein the bin 1 is mainly used for containing dust or fire-fighting materials, a first interface tube seat 111 is arranged at the top of the bin 1 at intervals, a second interface tube seat 112 is arranged at the bottom of the bin 1, the explosion device 2 mainly comprises an explosion bin 21 and an explosive tube 22, the explosion bin 21 is fixedly arranged in the bin 1, a third interface tube seat 211 is arranged on the side wall of the explosion bin 21, a check valve 212 is arranged at the end part of the third interface tube seat 211, one end of the explosive tube 22 is positioned in the bin 1 and is connected and communicated with the explosion bin 21, the other end of the explosive tube 22 passes through the side wall of the bin 1, a wiring seat 221 and a valve 222 are arranged on the side wall of the bin 1, the valve 222 is a needle-shaped valve, and a valve 223 is arranged at the position of the outside of the explosive tube 22, which is positioned at the opening of the bin 1.
The number of the first connector tube seats 111 in the blasting dust-reducing fire-fighting gun device is usually three, and when in use, one connecting nozzle is used for spraying materials in the bin outwards; the connecting safety valve is used for controlling the pressure in the storage bin and ensuring the use safety; the other connecting valve is used for loading materials; the second connector tube holder 112 is connected with a valve for unloading the material in the bin after the operation is finished.
The specific application method of the blasting dust-reducing fire-fighting gun device comprises the following steps: first, add materials and explosives: opening a valve connected with the first connector tube seat, and closing the valve after dust fall or fire fighting materials are filled into the storage bin; opening an openable bin gate on the charging long tube, loading explosive into an explosion bin from the charging long tube, connecting an initiating lead to a wire holder, closing the openable bin gate, and placing the blasting dust-settling fire-fighting device near a dust source point or a fire ignition point; then, the detonation wire is controlled to be ignited, so that the explosive in the explosion bin is exploded, a large amount of high-pressure gas is generated in the explosion bin, a check valve communicated with the explosion bin is in an open state under the impact of the high-pressure gas, so that the high-pressure gas in the explosion bin enters the bin through the check valve, dust fall or fire-fighting materials in the bin are sprayed and diffused to the outside under the drive of the high-pressure gas, the functions of dust fall and fire-fighting fire extinguishment are completed, after the use is finished, a valve on a long charging tube is opened, the explosion bin is decompressed, a valve connected to a second interface tube seat is opened, and the materials in the bin are discharged.
In order to enable the materials in the bin to be quickly and fully sprayed to the outside of the bin under the impact of high-pressure gas after explosion, as an improvement of the technical scheme, referring to fig. 4 and 5, an inner tube 113 is arranged in the bin 1, the inner tube 113 is used for guiding the materials in the bin, one end of the inner tube 113 is connected and communicated with a first interface tube seat 111, the other end of the inner tube 113 is suspended in the bin 1, the outside of the first interface tube seat 111 connected with the inner tube 113 is correspondingly connected with a nozzle, and when the high-pressure gas enters the bin from a check valve, the materials in the bin enter the inner tube from the suspension end of the inner tube under the driving of the high-pressure gas, enter the first interface tube seat through the guiding of the inner tube, and are sprayed and diffused to the outside by the nozzle.
Considering that the processing of the blasting dust-reducing fire-fighting gun device is convenient, the bin 1 is designed to be formed by welding two bin units 11 in a splicing way, referring to fig. 4 and 5, each bin unit 11 is formed by connecting a circular seal head 1101 and a tubular outer wall 1102, three first interface tube seats 111 are arranged at the top of the tubular outer wall 1102 of each bin unit 11 at intervals, one second interface tube seat 112 is arranged at the bottom of the tubular outer wall 1102, a manhole 114 is arranged on the circular seal head 1101 of each bin unit 11 for convenient maintenance, an inner tube 113 is arranged in each bin unit 11, one end of the inner tube 113 is connected and communicated with the first interface tube seat 111, the other end of the inner tube 113 is suspended in the bin unit 11, the ports of the tubular outer walls 1102 in the two bin units 11 are opposite during welding, the explosion device 2 is positioned at the welding position of the two bin units 11 and is positioned at the geometric center position of the two, in order to facilitate the welding and fixing of two bin units 11 and one explosion device 2, referring to fig. 6 and 7, a ring support 213 extending outwards along the radial direction is welded on the outer part of an explosion bin 21 in the explosion device 2 along the circumferential direction, the outer diameter of the ring support 213 is equal to the inner diameter of a tubular outer wall 1102, during welding, the outer edges of the end parts of the tubular outer wall 1102 in the two bin units 11 and the outer edges of the ring support 213 in the explosion device 2 are welded together, and then the inner spaces of the two bin units 11 are isolated, so as to form two independent bins, for the use of the two independent bins, two third interface tube seats 211 are arranged on the side wall of the explosion bin 21 in the explosion device 2, one third interface tube seat 211 is positioned in the bin unit 11 on one side, the other third interface tube seat 211 is positioned in the bin unit 11 on the other side, and the end of each third interface tube seat 211 is provided with a check valve 212, at this time, high-pressure gas generated after the explosion of the explosive in the explosion bin enters into two bin units positioned at two sides of the explosion bin through two third interface tube seats on the side wall of the explosion bin and the connected check valves respectively, so that materials in the two bin units are driven, and the materials are ejected from the first interface tube seats in the respective bin units through nozzles, thereby achieving the purposes of dust fall and fire extinguishment.
In general, materials contained in a bin in the blasting dust-settling fire-fighting gun device can be liquid or powder, and according to different physical states of the materials, the invention designs the blasting dust-settling fire-fighting gun device in two forms of pressure type and injection type respectively.
The pressure type blasting dust fall device and the injection type blasting fire prevention gun device are basically consistent in overall structure, are completely installed according to the structure, and are unique in that the adopted inner pipe structure is different, and the specific structures of the two devices are sequentially introduced.
Pressure type blasting dust-settling device
Referring to fig. 1 and 2, the pressure type blasting dust device mainly comprises a bin 1 and an explosion device 2, wherein the bin 1 is formed by welding two bin units 11, referring to fig. 4, each bin unit 11 is formed by connecting a circular seal head 1101 and a tubular outer wall 1102, three first interface tube seats 111 are arranged at intervals on the top of the tubular outer wall 1102 of each bin unit 11, a second interface tube seat 112 is arranged at the bottom of the tubular outer wall 1102, manholes 114 are arranged on the circular seal head 1101 of each bin unit 11, an inner tube 113 is arranged in each bin unit 11, the inner tube 113 is a straight tube penetrating through the upper end and the lower end, one end of the inner tube is connected and communicated with the first interface tube seat 111, the other end of the inner tube is suspended in the bin unit 11, the explosion device 2 is positioned at the welding position of the two bin units 11 and is positioned at the geometric center of the two bin units, referring to fig. 6 and 7, the explosive device 2 mainly comprises an explosive bin 21 and a charging long tube 22, wherein the explosive bin 21 is positioned in the bin 1, a ring support 213 which extends outwards along the radial direction is welded on the outer part of the explosive bin 21 along the circumferential direction, the outer diameter of the ring support 213 is equal to the inner diameter of a tubular outer wall 1102, the outer edges of the ring support 213 and the outer edges of the end parts of the tubular outer walls 1102 in two bin units 11 are fixedly welded together, the inner space of the two bin units 11 is isolated by the arrangement of the explosive bin, two independent bins are formed, two third interface tube seats 211 are arranged on the side wall of the explosive bin 21, one third interface tube seat 211 is positioned in the bin unit 11 on one side, the other third interface tube seat 211 is positioned in the bin unit 11 on the other side, a check valve 212 is arranged at the end part of each third interface tube seat 211, one end of the charging long tube 22 is positioned in the bin 1, the explosive charging device is connected and communicated with the explosion bin 21, the other end of the explosive charging device penetrates through the side wall of the bin 1 and is positioned outside the bin 1, a wiring seat 221 and a valve 222 are arranged on the side wall of the explosive charging long tube 22 positioned outside the bin 1, the valve 222 is a needle valve, and an openable bin door 223 is arranged at the port of the explosive charging long tube 22 positioned outside the bin 1.
The structure of the check valve 212 may be multiple, referring to fig. 8, the check valve 212 is mainly composed of a valve body 2121, a solid ball 2122, an adjusting screw 2123, a fixing plate 2124 and a spring 2125, wherein the valve body 2121 is a cylindrical cylinder with one end open and the other end closed, the open end of the valve body 2121 is connected and communicated with the third port tube socket 211 on the explosion chamber 21, the inner diameter of the open end of the valve body 2121 is smaller than the inner diameter of the closed end, a screw hole is formed in the end face of the closed end of the valve body 2121, an opening 21211 is formed in the side wall of the valve body 2121 close to the open end, the solid ball 2122 is located in the valve body 2121, the diameter of the solid ball 2122 is larger than the inner diameter of the open end of the valve body 2121 and the caliber of the opening 21211, the end of the adjusting screw 2123 is installed in the screw hole of the closed end of the valve body 2121, the fixing plate 2124 is located in the valve body 2121, the end of the adjusting screw 2123 is fixedly connected with the end of the adjusting screw 2125, one end abuts against the solid ball 2122, and the other end abuts against the fixing plate 2124; the check valve is mainly used for realizing the opening and closing of the valve through the movement of the solid ball. Under normal pressure, the solid ball is always plugged at the open pore under the action of the elasticity of the spring, the check valve is in a closed state, after explosive in the explosion bin explodes, generated high-pressure gas can enter from the open end of the valve body, the driving ball leaves the open pore and moves towards the spring, so that the spring is elastically contracted, the check valve is opened, the high-pressure gas enters into the bin from the open pore, when the high-pressure gas pressure in the valve body is smaller than the elasticity of the spring, the solid ball returns to the open pore position again under the action of the elasticity of the spring, the open pore is plugged, and the check valve is closed, wherein an adjusting screw can be used for adjusting the initial position of the end part of the spring, and further the opening pressure value of the check valve is adjusted.
When the pressure type blasting dust-settling device is used, firstly, the three first interface tube seats 111 in each bin unit 11 are respectively connected with a nozzle, a safety valve and a valve through pipelines, wherein the first interface tube seats connected with the nozzle are first interface tube seats with the lower ends connected with an inner tube, the second interface tube seats 112 in each bin unit 11 are connected with the valves, then, the device is transported to the vicinity of a blasting operation dust-settling point, the valves connected with the first interface tube seats of the bin units are opened, liquid (water) is filled, and the valves are closed; an openable bin gate of the charging long tube is opened, explosive is filled, a wire holder is connected with a detonating wire, and the openable bin gate is closed; the explosive is detonated, high-pressure gas generated by explosion enters through the third interface tube seat and opens the check valve, the pressure in the unit bin is increased, the pressure is stabilized at 0.4-1.2 MPa, the high-pressure gas pushes materials in the bin unit to be ejected at a high speed through the inner tube and the nozzle connected with the first interface tube seat, and instant dust caused by explosion is trapped, so that the dust falling purpose is achieved. And after dust fall is finished, opening a valve connected with the second interface tube seat, and discharging the residual materials. And after the valve on the charge long tube is opened to release the pressure of the explosion bin, the valve is closed.
Injection type blasting fire-fighting gun device
Referring to fig. 1 and 2, the injection type blasting fire-fighting device mainly comprises a bin 1 and an explosion device 2, wherein the bin 1 is formed by welding two bin units 11, referring to fig. 5, each bin unit 11 is formed by connecting a circular seal head 1101 and a tubular outer wall 1102, three first interface tube seats 111 are arranged at intervals on the top of the tubular outer wall 1102 of each bin unit 11, a second interface tube seat 112 is arranged at the bottom of the tubular outer wall 1102, manholes 114 are arranged on the circular seal head 1101 of each bin unit 11, an inner tube 113 is arranged in each bin unit 11, the inner tube 113 is mainly formed by a lower tube 1131, a middle tube 1132 and an upper tube 1133, wherein the lower end of the lower tube 1131 is suspended in the bin unit 11, the middle tube 1132 is a venturi tube, the lower end of the middle tube is connected with the upper end of the lower tube 1131, the upper end of the middle tube 1133 is connected with the lower end of the upper tube 1133, the upper end of the upper tube 1133 is connected and communicated with the first interface tube seat 111, the explosion device 2 is positioned at the splice welding position of the two bin units 11 and is positioned at the geometric center position of the two bin units, and referring to fig. 6 and 7, the explosion device 2 mainly comprises an explosion bin 21 and a charging long tube 22, the explosion bin 21 is positioned inside the bin 1, a ring support 213 which extends outwards along the radial direction is welded on the outer part of the explosion bin 21 along the circumferential direction, the outer diameter of the ring support 213 is equal to the inner diameter of the tubular outer wall 1102, the outer edge of the ring support 213 is fixedly welded with the outer edge of the end part of the tubular outer wall 1102 in the two bin units 11, the inner space of the two bin units 11 is isolated by the arrangement of the explosion bin to form two independent bins, two third interface tube seats 211 are arranged on the side wall of the explosion bin 21, one third interface tube seat 211 is positioned inside the bin unit 11 on one side, the other third interface tube seat 211 is located in the bin unit 11 at the other side, the end part of each third interface tube seat 211 is provided with a check valve 212, the outlet of each check valve 212 is communicated with the side of the middle tube 1132 in the corresponding material unit, one end of the long charging tube 22 is located in the bin 1 and connected with the explosion bin 21 and communicated with the other end of the long charging tube, the other end of the long charging tube passes through the side wall of the bin 1 and is located outside the bin 1, the side wall of the long charging tube 22 located outside the bin 1 is provided with a wiring seat 221 and a valve 222, the valve 222 is a needle valve, and the port of the long charging tube 22 located outside the bin 1 is provided with an openable bin door 223.
The structure of the check valve 212 may be multiple, as shown in fig. 9, the check valve 212 is mainly composed of a valve body 2126, an air inlet pipe 2127, an air outlet pipe 2128 and a solid ball 2029, wherein a spherical cavity 21261 is arranged in the valve body 2126, air holes communicated with the spherical cavity 21261 are respectively arranged at the upper end and the lower end of the valve body 2126, the air outlet end of the air inlet pipe 2127 is fixedly connected with the air holes at the lower end of the valve body 2126, the air inlet end of the air outlet pipe 2128 is fixedly connected with the air holes at the upper end of the valve body 2126, the solid ball 2029 is positioned in the valve body 2126, and the diameter of the solid ball 2029 is smaller than that of the spherical cavity 21261 and larger than that of the air holes; the check valve is mainly used for realizing the opening and closing of the valve through the movement of the solid ball. Under normal pressure, the solid ball is plugged at the vent hole position where the air inlet pipe is connected with the valve body under the action of gravity, so that the check valve is in a closed state, after explosive in the explosion bin explodes, generated high-pressure gas enters from the air inlet pipe of the valve body, the driving ball floats in the valve body, the check valve is opened, the high-pressure gas enters into the valve body from the vent hole connected with the air inlet pipe and is discharged into the storage bin through the air outlet pipe, and when the pressure of the high-pressure gas in the valve body is smaller than the gravity of the solid ball, the solid ball returns to the vent hole position connected with the air inlet pipe again under the action of gravity, the vent hole is plugged, and the check valve is closed.
When the injection type blasting fire-fighting gun device is used, firstly, pipelines are connected, three first interface tube seats 111 in each bin unit 11 are respectively connected with a nozzle, a safety valve and a valve, wherein the first interface tube seats connected with the nozzle are first interface tube seats of which the lower ends are connected with inner tubes, the second interface tube seats 112 in each bin unit 11 are respectively connected with the valve, then, fire-fighting powder is filled in each bin unit, explosive is filled in a charging long tube, an initiating wire is connected with a wire holder, the device is placed in a place with high fire hazard, and the wire holder is connected with a fire alarm system. When a fire disaster happens, high-pressure gas generated by explosion enters through the third interface tube seat and opens the check valve to enter the middle tube of the venturi structure in the inner tube, and the injection fire extinguishing powder is ejected out at high speed through the nozzle connected with the first interface tube seat, so that the aim of extinguishing the fire is fulfilled. After fire extinguishment, a valve connected with the second connector tube seat is opened, and the residual materials are discharged. And after the valve on the charge long tube is opened to release the pressure of the explosion bin, the valve is closed.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It is to be understood that the invention is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (9)
1. A blasting dust fall fire prevention stemming device, comprising: a storage bin (1) and an explosion device (2);
the top of the storage bin (1) is provided with first interface tube seats (111) at intervals, and the bottom of the storage bin (1) is provided with second interface tube seats (112);
the explosive device (2) comprises: an explosion bin (21) and a long charging tube (22);
the explosion bin (21) is fixedly arranged in the bin (1), a third interface tube seat (211) is arranged on the side wall of the explosion bin (21), and a check valve (212) is arranged at the end part of the third interface tube seat (211);
one end of the charging long tube (22) is positioned in the bin (1), connected and communicated with the explosion bin (21), the other end of the charging long tube penetrates through the side wall of the bin (1) and is positioned outside the bin (1), a wiring seat (221) and a valve (222) are arranged on the side wall of the charging long tube (22) positioned outside the bin (1), and an openable bin door (223) is arranged at the port of the charging long tube (22) positioned outside the bin (1);
the feed bin (1) comprises two feed bin units (11) through splice welding, each feed bin unit (11) is provided with first interface tube seat (111) at the top equal interval, every feed bin unit (11) is provided with second interface tube seat (112) in the bottom, every feed bin unit (11) is provided with inside pipe (113) in the inside, inner pipe (113) one end with first interface tube seat (111) are connected and communicate, the other end hang in feed bin unit (11) inside.
2. The blasting dust-reducing fire-fighting gun device according to claim 1, characterized in that an inner tube (113) is arranged inside the bin (1), one end of the inner tube (113) is connected and communicated with the first interface tube seat (111), and the other end of the inner tube is suspended inside the bin (1).
3. A blasting dust-reducing fire-fighting gun device according to claim 1, characterized in that a manhole (114) is provided on each of the bin units (11).
4. The blasting dust-reducing fire-fighting gun device according to claim 1, wherein the explosion device (2) is located at the splice welding position of the two bin units (11), the internal space of the two bin units (11) is isolated, two third interface tube seats (211) are arranged on the side wall of the explosion bin (21) in the explosion device (2), one third interface tube seat (211) is located in the bin unit (11) on one side, the other third interface tube seat (211) is located in the bin unit (11) on the other side, and a check valve (212) is installed at the end part of each third interface tube seat (211).
5. The blasting, dust-reducing, fire-fighting device according to claim 2, characterized in that the inner tube (113) is a straight tube penetrating the upper and lower ends.
6. The blasting dust-reducing fire-fighting gun device according to claim 2, characterized in that the inner tube (113) comprises: a lower pipe (1131), a middle pipe (1132) and an upper pipe (1133);
the lower end of the lower pipe (1131) is suspended in the bin (1);
the middle pipe (1132) is a venturi pipe, the lower end of the middle pipe is connected with the upper end of the lower pipe (1131), the upper end of the middle pipe is connected with the lower end of the upper pipe (1133), and the side of the middle pipe is communicated with the outlet of the check valve (212);
the upper end of the upper pipe (1133) is connected with and communicated with the first interface pipe seat (111).
7. The blasting, dust-reducing, fire-fighting device of claim 1 or 5, wherein the non-return valve (212) comprises: a valve body (2121), a solid ball (2122), an adjusting screw (2123), a fixing plate (2124) and a spring (2125);
the valve body (2121) is a cylindrical barrel with one end being open and the other end being closed, the inner diameter of the open end of the valve body (2121) is smaller than that of the closed end, a screw hole is formed in the end face of the closed end of the valve body (2121), and an opening (21211) is formed in the side wall, close to the open end, of the valve body (2121);
the solid ball (2122) is positioned in the valve body (2121), and the diameter of the solid ball (2122) is larger than the inner diameter of the open end of the valve body (2121) and the caliber of the opening (21211);
the end part of the adjusting screw (2123) is arranged in a screw hole of the closed end of the valve body (2121) in a threaded manner;
the fixed plate (2124) is positioned in the valve body (2121) and is fixedly connected with the end part of the adjusting screw (2123);
the spring (2125) is located in the valve body (2121), one end of the spring abuts against the solid ball (2122), and the other end of the spring abuts against the fixing plate (2124).
8. The blasting, dust-reducing, fire-fighting device of claim 1 or 6, wherein the non-return valve (212) comprises: a valve body (2126), an air inlet pipe (2127), an air outlet pipe (2128) and a solid ball (2029);
a spherical cavity (21261) is arranged in the valve body (2126), and vent holes communicated with the spherical cavity (21261) are respectively arranged at the upper end and the lower end of the valve body (2126);
the air outlet end of the air inlet pipe (2127) is fixedly connected with an air vent at the lower end of the valve body (2126);
the air inlet end of the air outlet pipe (2128) is fixedly connected with a vent hole at the upper end of the valve body (2126);
the solid ball (2029) is located within the valve body (2126), and a diameter of the solid ball (2029) is smaller than a diameter of the spherical cavity (21261) and larger than a diameter of the vent.
9. The blasting dust-reducing fire-fighting gun device according to claim 1, wherein the material contained in the bin (1) is liquid or powder.
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| CN201910138095.6A CN109764764B (en) | 2019-02-25 | 2019-02-25 | Blasting dust fall fire prevention gun device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910138095.6A CN109764764B (en) | 2019-02-25 | 2019-02-25 | Blasting dust fall fire prevention gun device |
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| CN109764764B true CN109764764B (en) | 2024-02-20 |
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| CN209820293U (en) * | 2019-02-25 | 2019-12-20 | 中煤科工集团沈阳设计研究院有限公司 | Blasting dust fall fire gun device that disappears |
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| DE1932367A1 (en) * | 1968-06-27 | 1970-01-08 | Explosive Tech | Apparatus and method for creating an exit or entrance opening by blasting |
| JPH11281299A (en) * | 1998-03-31 | 1999-10-15 | Komatsu Ltd | High-speed flying object |
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| AU2005227863A1 (en) * | 2004-02-06 | 2005-10-13 | Jeffrey P. Reistroffer | Linear incendiary strand and method for prescribed fire ignition |
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