CN102182492B - Underground dust-removing foam generator and foam dust-removing equipment - Google Patents
Underground dust-removing foam generator and foam dust-removing equipment Download PDFInfo
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- CN102182492B CN102182492B CN201110092916.0A CN201110092916A CN102182492B CN 102182492 B CN102182492 B CN 102182492B CN 201110092916 A CN201110092916 A CN 201110092916A CN 102182492 B CN102182492 B CN 102182492B
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Abstract
The invention discloses an underground dust-removing foam generator and foam dust-removing equipment. The foam dust-removing equipment comprises a foaming agent liquid storing tank, a quantitative pump, an air compressor, a generator, a water inlet pipe and a foam spraying head, wherein the air compressor is communicated with the quantitative pump through an air inlet pipeline; the generator is communicated with the air compressor through an air inlet pipeline; the water inlet pipe is communicated with the inlet of the generator; a filter is arranged on the water inlet pipe; the quantitative pump is communicated with the water inlet pipe; and the foam spraying head is connected with the outlet of the generator through a pipeline; the generator comprises a barrel body, an inlet pipe, a Venturi tube, a turbulating barrel and an outlet pipe, wherein an air inlet pipe is arranged on the wall of the barrel body; the input pipe is arranged at the front end of the barrel body; the Venturi tube is arranged inside the barrel body; an air inlet hole is formed in the diffusive section of the back part of the Venturi tube; the central line of the air inlet pipe is tangent to the diffusive section of the Venturi tube; the turbulating barrel is arranged behind the barrel body; a turbulating central shaft is arranged in the turbulating barrel; a long turbulating sheet and a short turbulating sheet are arranged on the turbulating central shaft; and the output pipe is arranged at the back end of the turbulating barrel. The foam generator for the underground dust removal and the foam dust-removing equipment are compact in structure and reasonable in design.
Description
Technical field
The present invention relates to a kind of foam dust-removing equipment, particularly a kind of for the foam dust-removing equipment at narrow space place dust hazard managements such as down-hole mining work planes.
Background technology
Every procedure of coal mine operation all produces with a large amount of dust, and workman's operation meeting in this environment sucks a large amount of dust, serious harm workman's physical and mental health.Pneumoconiosis Patients approximately 260,000 people of China's coal-mine industry, and the annual speed increase with 5000 people at present, approximately have 3000 people to die from pneumoconiosis every year.For effectively preventing Mine Dust, under coal mine, generally adopt the measures such as spray for dust suppression and coal-bed flooding, but because of efficiency of dust collection low.There is afterwards foam dust-removing technology, foam dust-removing is that generator is arranged on and is produced near dirt pits, rely on a large amount of foams to cover dirt source with wind flow, but there are following two aspect shortcomings in this method: the one, and a large amount of foams appear at working site, affect workman's operation, the 2nd, generator is bulky, is difficult for being arranged on flexibly near coal-winning machine, cannot effectively administer the main product dirt root of colliery down-hole mining operation.In order to address the above problem, the patent No. is 200810023578.3, name is called a kind of patent of invention for the foam dedusting system under coal mine and discloses a kind of foam dedusting system, and this system comprises blowing agent fluid reservoir, foaming cylinder, foam nozzle, air compressor, strainer, the foam dispenser that quantitatively adds pump and be provided with a plurality of foam nozzles.Quantitatively add pump blowing agent is extracted out from blowing agent fluid reservoir, inject foaming cylinder, air compressor is by pipeline and foaming cylinder UNICOM, and gas and blowing agent and water is mixed foaming in foaming cylinder, then by foam nozzle, sprays, and covers dirt source.But this foaming cylinder adopts nozzle that expanding foam solution is sprayed onto on foam screen, owing to often containing impurity in mine water, easily causes spray nozzle clogging; What secondly owing to foaming, use is compressed air, and stream pressure and speed are large, and foam screen also easily damages, and affects foaming effect, needs frequent maintain and replace.
Summary of the invention
The object of this invention is to provide the foam maker that a kind of mine underground dedusting reasonable in design, simple in structure, that foaming effect is good is used.
Another object of the present invention is to provide a kind of reasonable in design, simple in structure, foam dust-removing equipment that foaming effect is good.
In order to realize above-mentioned the first object, the present invention takes following technical solution:
Mine underground dedusting foam maker, comprising: barrel is provided with the cylindrical shell of air inlet pipe; Be located at the input pipe of barrel front end; Be located at the Venturi tube in cylindrical shell; Be arranged at the flow-disturbing cylinder after cylindrical shell; Be arranged at the efferent duct of flow-disturbing tube rear end; On Venturi tube throat leading portion, be provided with air inlet; In flow-disturbing cylinder, be provided with the flow-disturbing cylinder axis along its axis arranged, on flow-disturbing cylinder axis, alternate intervals is provided with flow-disturbing linear leaf and flow-disturbing short blade, flow-disturbing linear leaf diameter is greater than flow-disturbing short blade diameter, flow-disturbing linear leaf is provided with opening, and the opening mutual dislocation on adjacent flow-disturbing linear leaf is arranged.
In order to realize above-mentioned the second object, the present invention takes following technical solution:
Mine underground foam dust-removing equipment, comprising: blowing agent fluid reservoir; By the quantitative interpolation pump of pipeline and blowing agent fluid reservoir UNICOM; By admission line and the quantitative air compressor that adds pump UNICOM; By the foam maker of admission line and air compressor UNICOM; With the water inlet pipe of foam maker entrance UNICOM, on water inlet pipe, be provided with strainer, quantitatively add Beng Yu water inlet pipe UNICOM; The foam nozzle connecting with foam maker outlet by pipeline; This foam maker comprises: barrel is provided with the cylindrical shell of air inlet pipe; Be located at the input pipe of barrel front end; Be located at the Venturi tube in cylindrical shell, on the diffuser of Venturi tube rear portion, be provided with air inlet, the center line of air inlet is parallel with Venturi tube diffuser tangent line; Be arranged at the flow-disturbing cylinder after cylindrical shell, in flow-disturbing cylinder, be provided with the flow-disturbing cylinder axis along its axis arranged, on flow-disturbing cylinder axis, alternate intervals is provided with flow-disturbing linear leaf and flow-disturbing short blade, flow-disturbing linear leaf diameter is greater than flow-disturbing short blade diameter, flow-disturbing linear leaf is provided with opening, and the opening mutual dislocation on adjacent flow-disturbing linear leaf is arranged; Be arranged at the efferent duct of flow-disturbing tube rear end; Be located at the foaming section in cylindrical shell, in foaming section, be filled with irregular Cylindric medium.
Preferably, between described flow-disturbing linear leaf and flow-disturbing short blade, be provided with positioning sleeve.
Preferably, on described a slice flow-disturbing linear leaf between the opening center of circle and flow-disturbing cylinder axis axle center on line and adjacent a slice flow-disturbing linear leaf between the opening center of circle and flow-disturbing cylinder axis axle center the angle between line be 180 °.
Preferably, the diameter of described flow-disturbing linear leaf and the internal diameter of described cylindrical shell equate.
Preferably, after described cylindrical shell inner venturi tube, be provided with foaming section, in described foaming section, be filled with irregular Cylindric medium.
The present invention arranges air inlet at Venturi tube throat leading portion, gases at high pressure spray in blowing agent liquid after entering Venturi tube by air inlet, with blowing agent liquid mixed foaming, the foaming section of filling irregular Cylindric medium is preferably set simultaneously in foam maker, replace shower nozzle of the prior art and foam screen, can avoid shower nozzle easily to stop up and the flimsy phenomenon of foam screen, have simple in structure, reasonable in design, the advantage that foaming effect is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention;
Fig. 2 is the structural representation of foam maker of the present invention;
Fig. 3 is the structural representation of another embodiment of the present invention.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
The specific embodiment
As shown in Figure 1, the pipeline that foam dust-removing equipment of the present invention comprises blowing agent fluid reservoir 1, quantitatively adds pump 2, air compressor 3, water inlet pipe 4, foam maker 5, foam nozzle 6, strainer 7 and play UNICOM's effect is provided with as required flow control valve and flap valve (not shown) on pipeline.Wherein, blowing agent fluid reservoir 1, by pipeline and quantitative pump 2 UNICOMs that add, is equipped with blowing agent in blowing agent fluid reservoir 1, and in blowing agent fluid reservoir 1, the output quantity of blowing agent is controlled by quantitatively adding pump 2.Air compressor 3 is connected with quantitative interpolation pump 2 and foam maker 5 respectively by admission line, three way cock is installed in the present embodiment on admission line, by three way cock, the air-flow of admission line is divided into two branch roads, the air-flow of a branch road directly passes into foam maker 5, another branch road air-flow passes in quantitative interpolation pump 2, the outlet of quantitatively adding pump 2 is by pipeline and water inlet pipe 4 UNICOMs, the outlet of water inlet pipe 4 and foam maker 5 UNICOMs, strainer 7 is installed on water inlet pipe 4, strainer 7 will filter from the liquid of water inlet pipe 4 inputs, in input foam maker 5 after quantitatively adding blowing agent that pump 2 pumps and mixing with the liquid of being inputted by water inlet pipe 4.The outlet of foam maker 5, by pipeline and foam nozzle 6 UNICOMs, produces foam after the gas-liquid mixing in input foam maker 5, and foam outwards sprays by foam nozzle 6.
As shown in Figure 2 and Figure 3, be the structural representation of generator of the present invention.Foam maker 5 comprises cylindrical shell 5-1, flow-disturbing cylinder 5-2, Venturi tube 5-3, air inlet pipe 5-4, flow-disturbing linear leaf 5-5, flow-disturbing short blade 5-5 ', input pipe 5-6, efferent duct 5-7, flow-disturbing cylinder axis 5-9.For convenience of description, before the arrival end of foam maker 5 is defined as.
Input pipe 5-6 is arranged at the front end of cylindrical shell 5-1, blowing agent liquid enters foam maker 5 from input pipe 5-6, Venturi tube 5-3 arranges in cylindrical shell 5-1 anterior by the mode of threaded fastener or welding, cylindrical shell 5-1 rear end connects with flow-disturbing cylinder 5-2 by threaded fastener, efferent duct 5-7 is arranged at flow-disturbing cylinder 5-2 rear end, and foam is exported from efferent duct 5-7.On cylindrical shell 5-1 barrel, be provided with air inlet pipe 5-4, the gases at high pressure that air compressor 3 produces enter cylindrical shell 5-1 from air inlet pipe 5-4.On Venturi tube 5-3 throat leading portion, be provided with a plurality of air inlet a, air inlet a circumferentially arranges uniformly at intervals along Venturi tube 5-3 throat leading portion, along airintake direction, see that the angle between air inlet a center line and Venturi tube 5-3 tube wall is no more than 90 °, gases at high pressure spray into blowing agent inside from air inlet a enters Venturi tube 5-3, carry out gas-liquid mixed, because Venturi tube 5-3 throat leading portion is convergent contour structure, back segment is divergent contour structure, therefore to enter the pressure that is obstructed after Venturi tube 5-3 leading portion very large for gases at high pressure, when gas and blowing agent are by after Venturi tube 5-3 throat, because Venturi tube 5-3 throat's back segment space is large compared with the space of throat's leading portion, gas pressure discharges rapidly, gases at high pressure and blowing agent injection are gone out generation foaming effect.In flow-disturbing cylinder 5-2, be provided with the flow-disturbing cylinder axis 5-9 along its axis arranged, the upper interval of flow-disturbing cylinder axis 5-9 is provided with multi-disc flow-disturbing linear leaf 5-5 and flow-disturbing short blade 5-5 ', a slice flow-disturbing linear leaf 5-5 and a slice flow-disturbing short blade 5-5 ' are alternately arranged on flow-disturbing cylinder axis 5-9, the flow-disturbing linear leaf 5-5 of the present embodiment and flow-disturbing short blade 5-5 ' are circular piece, the diameter of flow-disturbing linear leaf 5-5 equates with flow-disturbing cylinder 5-2 internal diameter, the diameter of flow-disturbing short blade 5-5 ' is less than the internal diameter of flow-disturbing cylinder 5-2, as preferred scheme, between flow-disturbing linear leaf 5-5 and flow-disturbing short blade 5-5 ', be provided with the positioning sleeve 5-10 being sleeved on flow-disturbing cylinder axis 5-9, positioning sleeve 5-10 is used for making maintaining fixing distance between flow-disturbing linear leaf 5-5 and flow-disturbing short blade 5-5 ', flow-disturbing linear leaf 5-5 and flow-disturbing short blade 5-5 ' are equidistantly arranged on flow-disturbing cylinder axis 5-9, easy for installation.In addition, flow-disturbing linear leaf 5-5 and flow-disturbing short blade 5-5 ' also can be equidistantly directly welded and installed on flow-disturbing cylinder axis 5-9, or on flow-disturbing cylinder axis 5-9, being equidistantly provided for installing the draw-in groove of flow-disturbing linear leaf 5-5 and flow-disturbing short blade 5-5 ', flow-disturbing linear leaf 5-5 and flow-disturbing short blade 5-5 ' are arranged in draw-in groove.On flow-disturbing linear leaf 5-5, be processed with opening b, the opening b and the upper opening b mutual dislocation of adjacent a slice flow-disturbing linear leaf 5-5 that are arranged on a slice flow-disturbing linear leaf 5-5 of flow-disturbing cylinder axis 5-9 are arranged, be that the center of circle of the upper opening b of a slice flow-disturbing linear leaf 5-5 and the center of circle of the upper opening b of adjacent a slice flow-disturbing linear leaf 5-5 be not on same straight line, preferred scheme is, angle between line between the line between the upper opening b center of circle of a slice flow-disturbing linear leaf 5-5 and flow-disturbing cylinder axis 5-9 axle center and the upper opening b center of circle of adjacent a slice flow-disturbing linear leaf 5-5 and flow-disturbing cylinder axis 5-9 axle center is 180 °, the opening b on two flow-disturbing linear leaf 5-5 is symmetrical arranged with respect to flow-disturbing cylinder axis 5-9.Because the diameter of flow-disturbing linear leaf 5-5 equates with the internal diameter that streams a 5-2, when flow-disturbing linear leaf 5-5 is installed in flow-disturbing cylinder 5-2, mix slurry can only be passed through by the opening a from flow-disturbing linear leaf 5-5, because the diameter of flow-disturbing short blade 5-5 ' is less than the internal diameter of flow-disturbing cylinder 5-2, blowing agent liquid is flowed through after flow-disturbing linear leaf 5-5 and is continued circulation from the space between flow-disturbing short blade 5-5 ' and flow-disturbing cylinder 5-2 inwall.Blowing agent liquid along S shape channel flow, makes to mix more abundant in flow-disturbing cylinder 5-2.
During work, air compressor 3 provides power for quantitatively adding pump 2, drive and quantitatively to add pump 2 blowing agent in blowing agent fluid reservoir 1 is pumped in the water inlet pipe 4 with foam maker 5 UNICOMs, via water inlet pipe 4, enter in foam maker 5, simultaneously, another branch road air-flow of air compressor 3 passes into the Venturi tube of foam maker 5 from admission line, gases at high pressure are blown into blowing agent liquid internal from the air inlet of foam maker 5 Venturi tubes, carry out mixed foaming, then the flow-disturbing section that enters foam maker 5 mixes, final foam is ejected by foam nozzle 6 by pipeline from foam maker 5 is discharged, cover dirt source.
As shown in Figure 3, structural representation for the foaming cylinder of another embodiment of the present invention, the place that this embodiment is different from last embodiment is, foaming section 5-8 is installed in cylindrical shell 5-1 inner venturi tube 5-3 rear end, in foaming section 5-8, be filled with irregular Cylindric medium, gases at high pressure and blowing agent liquid spray to foaming section 5-8 through foaming section 5-8 post-foaming.Adopt the foaming section of filling irregular Cylindric medium, can increase foam wall thickness, the ability that makes foam there is better stability and bear pressure.
Certainly, above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although the present invention is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that, still can modify or be equal to replacement the specific embodiment of the present invention, and do not depart from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed among claim scope of the present invention.
Claims (8)
1. a dust removing down-hole foam maker, comprising:
Barrel is provided with the cylindrical shell (5-1) of air inlet pipe (5-4);
Be located at the input pipe (5-6) of described cylindrical shell (5-1) front end;
Be located at the Venturi tube (5-3) in described cylindrical shell (5-1);
Be arranged at the flow-disturbing cylinder (5-2) after described cylindrical shell (5-1);
Be arranged at the efferent duct (5-7) of described flow-disturbing cylinder (5-2) rear end;
It is characterized in that:
On described Venturi tube (5-3) throat leading portion, be provided with air inlet (a);
Described flow-disturbing cylinder (5-2) is integral type hollow cylinder, in described flow-disturbing cylinder (5-2), be provided with the flow-disturbing cylinder axis (5-9) along its axis arranged, the upper alternate intervals of described flow-disturbing cylinder axis (5-9) is provided with flow-disturbing linear leaf (5-5) and flow-disturbing short blade (5-5 '), described flow-disturbing linear leaf (5-5) and described flow-disturbing short blade (5-5 ') are arranged in described flow-disturbing cylinder (5-2) by flow-disturbing cylinder axis (5-9), and described flow-disturbing linear leaf (5-5) and described flow-disturbing short blade (5-5 ') and described flow-disturbing cylinder (5-2) are Split type structure;
Flow-disturbing linear leaf (5-5) diameter is greater than flow-disturbing short blade (5-5 ') diameter, and described flow-disturbing linear leaf (5-5) is provided with opening (b), and opening (b) mutual dislocation on adjacent flow-disturbing linear leaf (5-5) is arranged;
The diameter of described flow-disturbing linear leaf (5-5) equates with the internal diameter of described flow-disturbing cylinder (5-2), a slice flow-disturbing short blade (5-5 ') is set between adjacent two flow-disturbing linear leafs (5-5), between the radially outward edge of described flow-disturbing short blade (5-5 ') and described flow-disturbing cylinder (5-2) inwall, there is space.
2. dust removing down-hole foam maker according to claim 1, is characterized in that: between described flow-disturbing linear leaf (5-5) and flow-disturbing short blade (5-5 '), be provided with positioning sleeve (5-10).
3. dust removing down-hole foam maker according to claim 1, is characterized in that: between upper opening (b) center of circle of a slice flow-disturbing linear leaf (5-5) and flow-disturbing cylinder axis (5-9) axle center, between line and upper opening (b) center of circle of adjacent a slice flow-disturbing linear leaf (5-5) and flow-disturbing cylinder axis (5-9) axle center, the angle between line is 180 °.
4. dust removing down-hole foam maker according to claim 1, it is characterized in that: after described cylindrical shell (5-1) inner venturi tube (5-3), be provided with foaming section (5-8), in described foaming section (5-8), be filled with irregular Cylindric medium.
5. a foam dust-removing equipment, comprising:
Blowing agent fluid reservoir (1);
By the quantitative interpolation pump (2) of pipeline and described blowing agent fluid reservoir (1) UNICOM;
By the air compressor (3) of admission line and described quantitative interpolation pump (2) UNICOM;
By the foam maker (5) of admission line and described air compressor (3) UNICOM;
Water inlet pipe (4) with described generator (5) entrance UNICOM, is provided with strainer (7) on described water inlet pipe (4), described quantitative interpolation pump (2) and described water inlet pipe (4) UNICOM;
The foam nozzle (6) connecting with described foam maker (5) outlet by pipeline;
It is characterized in that, described foam maker (5) comprising:
Barrel is provided with the cylindrical shell (5-1) of air inlet pipe (5-4);
Be located at the input pipe (5-6) of described cylindrical shell (5-1) front end;
Be located at the Venturi tube (5-3) in described cylindrical shell (5-1), on described Venturi tube (5-3) throat leading portion, be provided with air inlet (a);
Be arranged at the flow-disturbing cylinder (5-2) after described cylindrical shell (5-1), described flow-disturbing cylinder (5-2) is integral type hollow cylinder, in flow-disturbing cylinder (5-2), be provided with the flow-disturbing cylinder axis (5-9) along its axis arranged, the upper alternate intervals of flow-disturbing cylinder axis (5-9) is provided with flow-disturbing linear leaf (5-5) and flow-disturbing short blade (5-5 '), described flow-disturbing linear leaf (5-5) and described flow-disturbing short blade (5-5 ') by flow-disturbing cylinder axis (5-9), be arranged in described flow-disturbing cylinder (5-2), and described flow-disturbing linear leaf (5-5) and described flow-disturbing short blade (5-5 ') and described flow-disturbing cylinder (5-2) are Split type structure, flow-disturbing linear leaf (5-5) diameter is greater than flow-disturbing short blade (5-5 ') diameter, and described flow-disturbing linear leaf (5-5) is provided with opening (b), and opening (b) mutual dislocation on adjacent flow-disturbing linear leaf (5-5) is arranged, the diameter of described flow-disturbing linear leaf (5-5) equates with the internal diameter of described flow-disturbing cylinder (5-2), a slice flow-disturbing short blade (5-5 ') is set between adjacent two flow-disturbing linear leafs (5-5), between the radially outward edge of described flow-disturbing short blade (5-5 ') and described flow-disturbing cylinder (5-2) inwall, there is space,
Be arranged at the efferent duct (5-7) of described flow-disturbing cylinder (5-2) rear end.
6. foam dust-removing equipment according to claim 5, is characterized in that: between described flow-disturbing linear leaf (5-5) and flow-disturbing short blade (5-5 '), be provided with positioning sleeve (5-10).
7. foam dust-removing equipment according to claim 5, is characterized in that: between upper opening (b) center of circle of a slice flow-disturbing linear leaf (5-5) and flow-disturbing cylinder axis (5-9) axle center, between line and upper opening (b) center of circle of adjacent a slice flow-disturbing linear leaf (5-5) and flow-disturbing cylinder axis (5-9) axle center, the angle between line is 180 °.
8. foam dust-removing equipment according to claim 5, is characterized in that: after described cylindrical shell (5-1) inner venturi tube (5-3), be provided with foaming section (5-8), in described foaming section (5-8), be filled with irregular Cylindric medium.
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FR3119997A1 (en) * | 2021-02-24 | 2022-08-26 | Matthias DARRINGTON | STATIC MIXER RESISTANT TO HEAT, CORROSION AND DISSOLUTION |
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CN104153779A (en) * | 2014-08-11 | 2014-11-19 | 山东科技大学 | Following movement-type top coal caving working face foam-dedusting system |
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