CN203620127U - Solidified foam fluid generation device for fire prevention and extinguishment of coal mines - Google Patents

Solidified foam fluid generation device for fire prevention and extinguishment of coal mines Download PDF

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Publication number
CN203620127U
CN203620127U CN201320652726.4U CN201320652726U CN203620127U CN 203620127 U CN203620127 U CN 203620127U CN 201320652726 U CN201320652726 U CN 201320652726U CN 203620127 U CN203620127 U CN 203620127U
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China
Prior art keywords
valve
foaming
foam fluid
coal mine
pipeline
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Withdrawn - After Issue
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CN201320652726.4U
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Chinese (zh)
Inventor
秦波涛
鲁义
李方磊
祝超
贾玉威
姜宁
申宏敏
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China University of Mining and Technology CUMT
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China University of Mining and Technology CUMT
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Abstract

The utility model discloses a solidified foam fluid generation device for fire prevention and extinguishment of coal mines. The solidified foam fluid generation device comprises an integrated main engine, an automatic feeding type liquid storage tank, a slurry agitating system, an injection gun and a corresponding pipeline connection system, wherein a pipeline is provided with a corresponding valve, a three-way valve, a pressure gauge and a flow meter; the integrated main engine is in a double-layered rack structure; an air compressor, an intelligent control panel and a screw rod pump are arranged on the lower layer of a rack; a foaming pipe and a mixing pipe are arranged on the upper layer of the rack. Solidified foam fluid generated by the device has uniform, fine and smooth foam, the foaming times are high and the foam stability is good; the device has complete system functions and slurry flows smoothly; the solidified foam fluid generation device is simple to operate and reliable to use, can be adapted to a severe environment of a coal mine scene very well, and can be used for rapidly and continuously producing the solidified foam fluid; the solidified foam fluid generation device is applicable to leaking stoppage, oxygen isolation and the fire prevention and extinguishment of the coal mine scene, so as to effectively guarantee the safety and the efficiency of the fire prevention and extinguishment of the coal mines.

Description

For the cured foam fluid generating device of preventing and extinguishing fire of coal mine
Technical field
The utility model relates to one for preventing and extinguishing fire of coal mine material production device, is specifically related to a kind of cured foam fluid generating device for preventing and extinguishing fire of coal mine, belongs to preventing and extinguishing fire of coal mine technical field.
Background technology
Spontaneous combustionof coal is China's coal-mine one of the main disaster facing of keeping the safety in production, and underground work personnel's safety and the normal back production of working face in serious threat, also can cause great economic loss.Aerated fluid is a kind of leak stopping oxygen barrier fireproofing extinguishing materials having good prospects, but the preparation of such material does not have ripe generation device, mostly colliery scene is that employing joins blowing agent, foam stabilizer, adjustable solidification agent in cement (yellow mud, flyash) slurries, adopt general stirring pool, grouting pump to carry out pressure injection, its foaming quality and steady alveolar substance amount are all undesirable.As: the Chinese patent that publication number is CN2721877, a kind of mineral movable solidifying foam filler is disclosed, it can realize the pressure injection of the conventional preventing and extinguishing fire of coal mine materials such as gel, foam, mud, but its foaming and mixed bubble process are not ideal enough, and device is complicated, and the cured foam fluid coefficient of foaming of generation is not high, publication number is the Chinese patent of CN1417451, a kind of three-phase froth generating means of preventing and treating spontaneous combustionof coal is disclosed, it adopts balk board, Venturi tube, jet regulator, it is high that the structures such as impeller can produce frothing percentage, stablize fine and smooth three-phase froth, but its principle is that the core process of foaming and two aerated fluids formation of mixed bubble is combined together, after blowing agent mixes in grouting pipeline with slurries, the foam device of flowing through again, like this, the foamability of blowing agent obtains restriction to a certain extent, the three characteristics of the middle term foamed material ratio of mud simultaneously, viscosity is also far below cured foam fluent material, this device can not effectively foam to cured foam fluid.
Utility model content
The purpose of this utility model is to provide a kind of perfect function, simple to operate, use is reliable and adapt to the strong cured foam fluid generating device for preventing and extinguishing fire of coal mine.
In order to address the above problem, the technical solution adopted in the utility model is: a kind of cured foam fluid generating device for preventing and extinguishing fire of coal mine, comprises integrated host, automatic adding type fluid reservoir, slurry agitation system and spray rifle; Described integrated host is divided into upper and lower double-deck rack construction by dividing plate, frame upper strata is provided with foaming tube and mixing tube, on pipeline between described foaming tube and mixing tube, be disposed with the first triple valve and the 7th valve, on described the first triple valve, be provided with the 6th valve; Frame lower floor is provided with air compressor, intelligent control panel and screw pump, on pipeline between described air compressor and foaming tube and automatic adding type fluid reservoir, be respectively arranged with the first valve, the second triple valve, the second Pressure gauge, the 3rd valve, the 3rd three-way valve, the first Pressure gauge and the 4th valve, on the pipeline between described screw pump and mixing tube and slurry agitation system, be respectively arranged with the second flowmeter, the 8th valve and the tenth valve; On pipeline between described mixing tube and spray rifle, be provided with the 9th valve, on the pipeline between described foaming tube and automatic adding type fluid reservoir, be provided with the second valve, first flow meter, and automatically on adding type fluid reservoir, be also provided with the 5th valve.
Described slurry agitation system is made up of motor, chain drive, helical structure stirring vane and screen pack, described driven by motor chain drive drives helical structure stirring vane, be positioned at described helical structure stirring vane periphery and be provided with screen pack, adopt chain drive low speed, can be satisfied with because of the smaller heavy duty producing of on-the-spot slurry water ash, the easy ageing failure of high-temperature operation condition belt transmission and the large working environment of dust, and screen pack can carry out tentatively filtering and preventing blocking pipeline to slurries.
Described foaming tube is made up of atomizer, net formula porous packing material section and impeller successively, and atomization that it is integrated, the foaming of net formula and three kinds of physical mechanical modes of impeller shear agitation can produce the preformed foam body of uniform and smooth.
Described mixing tube is built-in with the flight structure of the left and right torsion of one channel, has greatly promoted the convection current diffusion of slurries and preformed foam body and turbulent fluctuation diffusion, it is mixed and to break bubble rate low.
Described spray rifle is built-in with mesh-type baffle plate, can carry out secondary mixed foaming, makes up the broken bubble phenomenon of cured foam fluid in pipe-line system course of conveying.
Described intelligent control panel is made up of valve control button module and instrument indicating module, valve switch function in pipe-line system, Pressure gauge, flowmeter registration display set are formed in to intelligent control panel, pass through control valve, the parameters such as control piper on off state, pressure, flow, realized the double solvents dilution in foaming process and press preformed foam body in the adjustable and mixed process of wind intelligence and the intelligence of slurries adjustable.
Compared with prior art: the cured foam fluid generating device for preventing and extinguishing fire of coal mine of this patent, the cured foam fluid of its generation, foam is evenly, fine and smooth, coefficient of foaming is high, foam stabilization performance is good; And this apparatus system perfect in shape and function, slurry flow are smooth and easy, simple to operate, it is reliable to use, can be good at being adapted to colliery scene adverse circumstances, can produce continuously fast cured foam fluid, be applicable to the anti-fire extinguishing of colliery scene leak stopping oxygen barrier, effectively guaranteed security and effect of preventing and extinguishing fire of coal mine.
Accompanying drawing explanation
Fig. 1 is system construction drawing of the present utility model.
Wherein, 1, integrated host, 2, screw pump, 3, air compressor, 4, dividing plate, 5, automatically adding type fluid reservoir, 6, slurry agitation system, 7, foaming tube, 8, mixing tube, 9, spray rifle, 10, chain drive, 11, motor, 12, screen pack, 13, helical structure stirring vane, 14, mesh-type baffle plate, 15, impeller, 16, net formula porous packing material section, 17, atomizer, 18, the first triple valve, 19, the second triple valve, 20, the first valve, 21, the second valve, 22, the 3rd valve, 23, the 4th valve, 24, the 5th valve, 25, the 6th valve, 26, the 7th valve, 27, the 8th valve, 28, the 9th valve, 29, the tenth valve, 30, first flow meter, 31, the second flowmeter, 32, the first Pressure gauge, 33, the second Pressure gauge, 34, instrument indicating module, 35, valve control button module, 36, flight structure, 37, the 3rd triple valve, 38, intelligent control panel.
The specific embodiment
Below in conjunction with specific embodiment and accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of cured foam fluid generating device for preventing and extinguishing fire of coal mine, comprises integrated host 1, automatic adding type fluid reservoir 5, slurry agitation system 6 and spray rifle 9; Described integrated host 1 is divided into upper and lower double-deck rack construction by dividing plate 4, frame upper strata is provided with foaming tube 7 and mixing tube 8, on pipeline between described foaming tube 7 and mixing tube 8, be disposed with the first triple valve 18 and the 7th valve 26, on described the first triple valve 18, be provided with the 6th valve 25; Frame lower floor is provided with air compressor 3, intelligent control panel 38 and screw pump 2, on pipeline between described air compressor 3 and foaming tube 7 and automatic adding type fluid reservoir 5, be respectively arranged with the first valve 20, the second triple valve 19, the second Pressure gauge 33, the 3rd valve 22, the 3rd three-way valve 37, the first Pressure gauge 32 and the 4th valve 23, on the pipeline between described screw pump 2 and mixing tube 8 and slurry agitation system 6, be respectively arranged with the second flowmeter 31, the 8th valve 27 and the tenth valve 29; On pipeline between described mixing tube 8 and spray rifle 9, be provided with the 9th valve 28, on pipeline between described foaming tube 7 and automatic adding type fluid reservoir 5, be provided with the second valve 21, first flow meter 30, and automatically on adding type fluid reservoir 5, be also provided with the 5th valve 24.
Described slurry agitation system 6 is made up of motor 11, chain drive 10, helical structure stirring vane 13 and screen pack 12, described motor 11 drives chain drive 10 to drive helical structure stirring vane 13, be positioned at described helical structure stirring vane 13 peripheries and be provided with screen pack 12, adopt chain drive low speed, can be satisfied with because of the smaller heavy duty producing of on-the-spot slurry water ash, the easy ageing failure of high-temperature operation condition belt transmission and the large working environment of dust, and screen pack 12 can carry out tentatively filtering and preventing blocking pipeline to slurries.
Described foaming tube 7 is made up of atomizer 17, net formula porous packing material section 16 and impeller 15 successively, and atomization that it is integrated, the foaming of net formula and three kinds of physical mechanical modes of impeller shear agitation can produce the preformed foam body of uniform and smooth.
Described mixing tube 8 is built-in with the flight structure 36 of the left and right torsion of one channel, has greatly promoted the convection current diffusion of slurries and preformed foam body and turbulent fluctuation diffusion, it is mixed and to break bubble rate low.
Described spray rifle 9 is built-in with mesh-type baffle plate 14, can carry out secondary mixed foaming, makes up the broken bubble phenomenon of cured foam fluid in pipe-line system course of conveying.
Described intelligent control panel 38 is made up of valve control button module 35 and instrument indicating module 34, valve switch function in pipe-line system, Pressure gauge, flowmeter registration display set are formed in to intelligent control panel, pass through control valve, the parameters such as control piper on off state, pressure, flow, realized the double solvents dilution in foaming process and press preformed foam body in the adjustable and mixed process of wind intelligence and the intelligence of slurries adjustable.
Its course of work is: by the ratio of mud of 2:1, water, the cured foam powder for preparing are injected to slurry agitation system 6, starter motor 11, motor 11 drives helical structure stirring vane 13 to rotate by chain drive 10, stirring slurries filters again by screen pack 12, until slurry agitation fully after, about 5-10 minute, by the double solvents preparing, the dilution of blowing agent, foam stabilizer and curing agent joins in self-action interpolation fluid reservoir 5, good seal inlet, start air compressor 3, open pipe-line control valve door by the valve control button module 35 on intelligent control panel 38, i.e. the first valve to the four valves 20, 21, 22, 23 also regulate, make the first Pressure gauge 32 on instrument indicating module 34, the registration coupling of the second Pressure gauge 33, pressure-air is supplied with respectively self-action by the second triple valve 19 and is added fluid reservoir 5 and foaming tube 7, flow to the pressure-air that self-action adds fluid reservoir 5, double solvents dilution is extruded from the outlet at bottom of fluid reservoir, through pipe-line system and another burst of pressure-air mixing space the 3rd triple valve 37 places, entering in foaming tube 7 through atomizer 17 containing pressure-air complex liquid system after converging, in foaming tube 7, first foam through net formula porous packing material section 16, produce a large amount of foam solutions, impeller 15 is subject to the effect generation spin at a high speed of high-pressure foam stream simultaneously, foam solution is again cut and stirs foaming, the final high power that forms, fine and smooth preformed foam body, flow out through foaming tube 7 outlets, close the 7th valve 26, open the 6th valve 25, preformed foam body flows out through the first triple valve 18, can observe the foaming effect of foaming tube 7, regulate both proportioning of pressure-air and double solvents according to foaming effect simultaneously, until reach optimal foaming effect, reach after optimal foaming effect, close the 6th valve 25, open the 7th valve 26, preformed foam body enters into mixing tube 8, then open the tenth valve 29 and the 8th valve 27, start screw pump 2, by slurries from slurry agitation system 6 pumps by the road systems pumps deliver to mixing tube 8, there is convection current diffusion and turbulent fluctuation diffusion through the flight structure 36 of the left and right torsion of one channel built-in in mixing tube 8 in high multiple preformed foam body and slurries, mixes, the cured foam fluid of opening after the 9th valve 28 mixes enters in spray rifle 9 through pipe-line system, again supplement mixed foaming through its built-in mesh-type baffle plate 14, last spray needs wind leaking stoppage place under coalfield ground crack and coal mine, carries out the anti-fire extinguishing of Leaking Stoppage in Coal Mine oxygen barrier.
The cured foam fluid generating device for preventing and extinguishing fire of coal mine of this patent, the cured foam fluid of its generation, foam is evenly, fine and smooth, coefficient of foaming is high, foam stabilization performance is good; And the generation cured foam fluid that this apparatus system perfect in shape and function, slurry flow are smooth and easy, simple to operate, it is reliable to use, can be good at being adapted to colliery scene adverse circumstances, can be continuous fast, be applicable to the anti-fire extinguishing of colliery scene leak stopping oxygen barrier, effectively guaranteed security and effect of preventing and extinguishing fire of coal mine.

Claims (6)

1. for a cured foam fluid generating device for preventing and extinguishing fire of coal mine, it is characterized in that: comprise integrated host (1), automatic adding type fluid reservoir (5), slurry agitation system (6) and spray rifle (9), described integrated host (1) is divided into upper and lower double-deck rack construction by dividing plate (4), frame upper strata is provided with foaming tube (7) and mixing tube (8), on pipeline between described foaming tube (7) and mixing tube (8), be disposed with the first triple valve (18) and the 7th valve (26), on described the first triple valve (18), be provided with the 6th valve (25), frame lower floor is provided with air compressor (3), intelligent control panel (38) and screw pump (2), on pipeline between described air compressor (3) and foaming tube (7) and automatic adding type fluid reservoir (5), be respectively arranged with the first valve (20), the second triple valve (19), the second Pressure gauge (33), the 3rd valve (22), the 3rd three-way valve (37), the first Pressure gauge (32) and the 4th valve (23), on pipeline between described screw pump (2) and mixing tube (8) and slurry agitation system (6), be respectively arranged with the second flowmeter (31), the 8th valve (27) and the tenth valve (29), on pipeline between described mixing tube (8) and spray rifle (9), be provided with the 9th valve (28), on pipeline between described foaming tube (7) and automatic adding type fluid reservoir (5), be provided with the second valve (21), first flow meter (30), and automatically on adding type fluid reservoir (5), be also provided with the 5th valve (24).
2. the cured foam fluid generating device for preventing and extinguishing fire of coal mine according to claim 1, it is characterized in that: described slurry agitation system (6) is made up of motor (11), chain drive (10), helical structure stirring vane (13) and screen pack (12), described motor (11) drives chain drive (10) to drive helical structure stirring vane (13), is positioned at described helical structure stirring vane (13) periphery and is provided with screen pack (12).
3. the cured foam fluid generating device for preventing and extinguishing fire of coal mine according to claim 1 and 2, is characterized in that: described foaming tube (7) is made up of atomizer (17), net formula porous packing material section (16) and impeller (15) successively.
4. the cured foam fluid generating device for preventing and extinguishing fire of coal mine according to claim 3, is characterized in that: described mixing tube (8) is built-in with the flight structure (36) of the left and right torsion of one channel.
5. the cured foam fluid generating device for preventing and extinguishing fire of coal mine according to claim 4, is characterized in that: described spray rifle (9) is built-in with mesh-type baffle plate (14).
6. the cured foam fluid generating device for preventing and extinguishing fire of coal mine according to claim 5, is characterized in that: described intelligent control panel (38) is made up of valve control button module (35) and instrument indicating module (34).
CN201320652726.4U 2013-10-22 2013-10-22 Solidified foam fluid generation device for fire prevention and extinguishment of coal mines Withdrawn - After Issue CN203620127U (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103599607A (en) * 2013-10-22 2014-02-26 中国矿业大学 Apparatus for generating solidified foam fluid for coal mine fire preventing and extinguishing
CN104922830A (en) * 2015-05-27 2015-09-23 中国石油化工股份有限公司 High-flow negative pressure type foam generator
CN106237563A (en) * 2016-08-16 2016-12-21 华电电力科学研究院 A kind of intelligent fire retardant spray system based on ature of coal and method
CN111013055A (en) * 2019-12-26 2020-04-17 安徽理工大学 Mobile gel foam intelligent generation device and use method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103599607A (en) * 2013-10-22 2014-02-26 中国矿业大学 Apparatus for generating solidified foam fluid for coal mine fire preventing and extinguishing
WO2015058561A1 (en) * 2013-10-22 2015-04-30 中国矿业大学 Curing foam fluid generation device for preventing and extinguishing fire in coal mine
CN103599607B (en) * 2013-10-22 2016-02-24 中国矿业大学 A kind of cured foam fluid generating device for preventing and extinguishing fire of coal mine
CN104922830A (en) * 2015-05-27 2015-09-23 中国石油化工股份有限公司 High-flow negative pressure type foam generator
CN106237563A (en) * 2016-08-16 2016-12-21 华电电力科学研究院 A kind of intelligent fire retardant spray system based on ature of coal and method
CN106237563B (en) * 2016-08-16 2021-08-31 华电电力科学研究院有限公司 Intelligent flame retardant spraying system and method based on coal quality
CN111013055A (en) * 2019-12-26 2020-04-17 安徽理工大学 Mobile gel foam intelligent generation device and use method thereof

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Granted publication date: 20140604

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AV01 Patent right actively abandoned

Granted publication date: 20140604

Effective date of abandoning: 20160224

C25 Abandonment of patent right or utility model to avoid double patenting