CN102913271B - Pulp shooting machine dust pelletizing system - Google Patents

Pulp shooting machine dust pelletizing system Download PDF

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Publication number
CN102913271B
CN102913271B CN201210420715.3A CN201210420715A CN102913271B CN 102913271 B CN102913271 B CN 102913271B CN 201210420715 A CN201210420715 A CN 201210420715A CN 102913271 B CN102913271 B CN 102913271B
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China
Prior art keywords
dust
shooting machine
pulp shooting
ejector
dust collection
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CN102913271A (en
Inventor
彭文
王之仿
成隆
徐仲东
何磊
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Huainan Mining Group Co Ltd
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Huainan Mining Group Co Ltd
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Abstract

The invention provides a kind of pulp shooting machine dust pelletizing system.Comprise and establish the dust collection cover of pulp shooting machine dust generator, ejector and for turning with dust exhaust by dust for cover; Passing hole dust collection cover offers the charging aperture for adding raw material, passing for shotcrete pipe, and dust collection mouth; Ejector has a working medium inlet, an injection medium inlet and a mixed gas outlet, and working medium inlet place is provided with Laval nozzle, and mixed gas outlet place is provided with diffuser; Working medium inlet is used for being connected with pressure wind supply system, and the injection medium inlet of ejector is connected by the first pipeline with dust collection mouth, and the mixed gas outlet of ejector is connected with the input port of dust exhaust.This pulp shooting machine dust pelletizing system collects the air containing dust by dust collection cover, adopts pressure-air to utilize ejector will proceed to dust exhaust containing dust air, does not need to adopt electric power as power source, meets dedusting object, and whole system strong adaptability.

Description

Pulp shooting machine dust pelletizing system
Technical field
The present invention relates to mechanical technique, particularly relate to a kind of pulp shooting machine dust pelletizing system.
Background technology
In down-hole, pulp shooting machine in use because of operations such as material loading, stirring and whitewashings, can cause a large amount of dust to disperse, cause very major injury to the health of people.Therefore, when pulp shooting machine uses, supportingly deduster must be provided with.
In prior art, mostly be separated with deduster at the pulp shooting machine of down-hole, and the deduster many employings electric power used is as power source, rotate acting by motor and produce stronger absorption affinity absorption dust laden air, again by filter plant in deduster by the dust separation in dust laden air out, dedusting is realized.
But at underground coal mine, because requirement of explosion proof is high, this deduster using electric power as power source needs to arrange multiple safety protection, causes bulky heaviness, bad adaptability; And when the occasion far away of distance power supply cannot be suitable for, thus add the additional input of equipment, and use inconvenient, the noise produced is also larger simultaneously.
Summary of the invention
For the problems referred to above of the prior art, the invention provides a kind of pulp shooting machine dust pelletizing system, without the need to providing electric energy separately for deduster, and easy to use, strong adaptability.
The invention provides a kind of pulp shooting machine dust pelletizing system, comprise one and establish the dust collection cover of pulp shooting machine dust generator, an ejector and for turning with dust exhaust by dust for cover;
Passing hole dust collection cover offers the charging aperture for adding raw material, passing for shotcrete pipe, and dust collection mouth; Ejector has a working medium inlet, an injection medium inlet and a mixed gas outlet, and working medium inlet place is provided with Laval nozzle, and mixed gas outlet place is provided with diffuser; Working medium inlet is used for being connected with pressure wind supply system, and the injection medium inlet of ejector is connected by the first pipeline with dust collection mouth, and the mixed gas outlet of ejector is connected with the input port of dust exhaust.
Pulp shooting machine dust pelletizing system as above, wherein, pulp shooting machine comprises the refractory gunning equipment of the slurry ejection for being stirred, shotcrete pipe is connected with refractory gunning equipment, refractory gunning equipment also have one for be connected with pressure wind supply system for airduct, and the working medium inlet of ejector is connected with confession airduct by the second pipeline.
Pulp shooting machine dust pelletizing system as above, wherein, the top of dust collection cover and bottom offer a dust collection mouth respectively, and two dust collection mouths are connected to the first pipeline respectively by collection arm.
Pulp shooting machine dust pelletizing system as above, wherein, second pipeline is connected with pressure wind supply system respectively with for airduct by a tee junction, is provided with the first control valve, the second pipeline is provided with the second control valve on air-supply pipeline and between tee junction and pulp shooting machine.
Pulp shooting machine dust pelletizing system as above, wherein, dust exhaust comprises a casing, and input port is opened on casing, and bottom half offers slag-drip opening; Box top being fixedly equipped with a water source joint for being connected with water system, bottom water source joint, being fixedly installed shower at box house, shower being provided with the shower nozzle of at least one.
Pulp shooting machine dust pelletizing system as above, wherein, the casing of dust exhaust is rectangular-shaped, and shower extends along the length direction of casing.
Pulp shooting machine dust pelletizing system as above, wherein, on the sidewall that the width along casing that the input port of dust exhaust is positioned at casing extends, the sidewall that another width along casing of casing extends is provided with the noise damper for reducing noise.
Pulp shooting machine dust pelletizing system as above, wherein, dust exhaust is provided with at least one pair of riser group at casing, often pair of riser group comprises vertically extending first riser and the second riser, the sidewall that first riser and the second riser extend with two length directions along casing is respectively fixedly connected with, and the homonymy of two of often pair of riser group the first risers and the second riser is fixedly installed at least one, point riser that vertically extends.
Pulp shooting machine dust pelletizing system as above, wherein, dust collection cover also comprise bottom, for being around in the bottom dust collecting around dust generator, and top, be located in bottom dust collecting on top cover body, top cover body and bottom dust collection are respectively arranged with a dust collection mouth.
Pulp shooting machine dust pelletizing system provided by the invention, the air containing dust is collected by dust collection cover, and the dust collected and pressure-air are input to ejector respectively, dust to be effectively drawn in ejector, dust exhaust will to be proceeded to containing dust air again and change into scoriform and discharge, do not need for deduster additionally provides electric power as power source, good dedusting effect, and total system volume is less, system suitability strong, also convenient easily carrying.
Accompanying drawing explanation
Fig. 1 is pulp shooting machine dust pelletizing system example structure schematic diagram of the present invention;
Fig. 2 is the internal construction schematic diagram of ejector in Fig. 1;
Fig. 3 is the fundamental diagram of the pulp shooting machine dust pelletizing system of Fig. 1;
Fig. 4 A is the lateral view of the internal construction of dust exhaust in Fig. 1;
Fig. 4 B is the top view of Fig. 4 A;
Fig. 4 C is the left view of Fig. 4 A.
Description of reference numerals:
Detailed description of the invention
Fig. 1 is pulp shooting machine dust pelletizing system example structure schematic diagram of the present invention.As shown in Figure 1, pulp shooting machine dust pelletizing system provided by the invention, comprises one and establishes dust collection cover 1, ejector 2 and of pulp shooting machine dust generator for turning dust with dust exhaust 3 for cover.
Passing hole dust collection cover 1 offers the charging aperture for adding raw material, passing for shotcrete pipe 41, and dust collection mouth 11; Particularly, dust collection cover 1 can be as a whole, and also can be divided into a top dust collection cover and a bottom dust collection, its material can be iron, aluminium, plastics etc., and preferably, the present embodiment can use iron sheet manufacture.Charging aperture for adding raw material and dust collection mouth 11 can be offered in dust collection cover 1 top; The passing hole passed for shotcrete pipe can be offered bottom dust collection cover 1, and dust collection mouth 11.The charging aperture that dust collection cover 1 is offered specifically can be arranged on the side of dust collection cover 1, pulp shooting machine is facilitated to add raw material during whitewashing, the distance of 300 ~ 700mm and can have an appointment in the top of the distance from top pulp shooting machine charging aperture of dust collection cover 1, preferably, this can be highly 500mm.The diameter of dust collection cover 1 should be greater than the diameter of pulp shooting machine fuselage, and preferably, the diameter of dust collection cover 1 can be 1.2 ~ 1.5 times of pulp shooting machine fuselage diameter.Dust collection mouth 11 is directly arranged on dust collection cover 1, and the dust that pulp shooting machine can be made to produce in the process such as charging, stirring is discharged from dust collection mouth 11.In addition, the bottom of this dust cover also comprises a passing hole passed for shotcrete pipe 41, and slurry, by this hole, sprays, both ensure that the normal work of pulp shooting machine by shotcrete pipe 41, can make again that dust is unlikely to shed.
Fig. 2 is the internal construction schematic diagram of ejector in Fig. 1; Fig. 3 is the fundamental diagram of the pulp shooting machine dust pelletizing system of Fig. 1.As shown in Figures 2 and 3, ejector 2 has working medium inlet 21, injection medium inlet 22 and a mixed gas outlet 23, and working medium inlet 21 place is provided with Laval nozzle 24, and mixed gas outlet 23 place is provided with diffuser 25.Particularly, this Laval nozzle 24 length can be 40mm, and it puts in the mixing chamber of ejector 2 from working medium inlet 21, and the length put in can be 22mm.
Working medium inlet 21 is for being connected with pressure wind supply system, and the injection medium inlet 22 of ejector 2 is connected by the first pipeline 26 with dust collection mouth 11, and the mixed gas outlet 23 of ejector 2 is connected with the input port 31 of dust exhaust 3.
Particularly, working medium inlet 21 is connected with pressure wind supply system, pressure-air can enter ejector 2 by working medium inlet 21, injection medium inlet 22 is connected by the first pipeline 26 with dust collection mouth 11, can enter in the cavity of this ejector 2 by injection medium inlet 22 to make the air containing dust, mix mutually with the pressure-air of coming in from working medium inlet 21, then discharged by mixed gas outlet 23.The mixed gas outlet 23 of ejector 2 is connected with the input port 31 of dust exhaust 3, and mist just enters dust exhaust 3 by mixed gas outlet 23.Particularly, be formed with diffuser 25 near mixed gas outlet 23 place, Laval nozzle 24 and diffuser 25 constitute the special airflow line of a section variation.Pressure energy becomes kinetic energy to bleed by Laval nozzle 24 by pressure-air.Due to the viscosity of gas, high velocity air sweeps away the air in injection medium inlet 22, thus makes injection medium inlet 22 form vacuum.Like this, under the effect of pressure reduction, the dust laden air from dust collection cover 1 sucks ejector 2 from injection medium inlet 22 continually by the first pipeline 26, and the gases at high pressure entered with working medium inlet 21 place mix in the chamber of ejector 2.And kinetic energy is become pressure energy by diffuser 25 by mixed airflow, working medium inlet 21, pressure differential between injection medium inlet 22 and mixed gas outlet 23, mixing air can be discharged from mixed gas outlet 23, realize the air circulation of whole pipeline.
The pulp shooting machine dust pelletizing system that the embodiment of the present invention provides, the air containing dust is collected by dust collection cover, and the dust collected and pressure-air are input to ejector respectively, dust to be effectively drawn in ejector, dust exhaust will to be proceeded to containing dust air again and change into scoriform and discharge, do not need for deduster additionally provides electric power as power source, good dedusting effect, and total system volume is less, system suitability strong, also convenient easily carrying.
Fig. 3 is the fundamental diagram of the pulp shooting machine dust pelletizing system of Fig. 1.As shown in Figure 3, in above-described embodiment, pulp shooting machine can comprise the refractory gunning equipment 4 of the slurry ejection for being stirred, shotcrete pipe 41 is connected with refractory gunning equipment 4, refractory gunning equipment 4 can also have one for be connected with pressure wind supply system for airduct 42, and the working medium inlet 21 of ejector 2 is connected with confession airduct 42 by the second pipeline 27.Particularly, being connected with pressure wind supply system for airduct 42 of refractory gunning equipment 4, pressure-air, by for airduct 42, is injected into refractory gunning equipment 4, so slurry is just under the pressure effect of pressure-air, sprays from shotcrete pipe 41 by this pressure air feed system.In addition, the working medium inlet 21 of ejector 2 is connected with for airduct 42 by the second pipeline 27, can enter ejector 2 to make pressure-air by the second pipeline 27.
In the above-described embodiments, the top of dust collection cover 1 and bottom offer a dust collection mouth 11, two dust collection mouths 11 respectively and are connected to the first pipeline 26 respectively by collection arm.Particularly, this dust collection cover 1 can be as a whole, and also can be divided into a top dust collection cover and a bottom dust collection, its material can be iron, aluminium, plastics etc., and preferably, the present embodiment can use iron sheet to make.The dust collection mouth 11 that dust collection cover 1 top is offered is mainly used in discharging pulp shooting machine top containing dust air; The dust collection mouth 11 offered bottom it is mainly used in discharging containing dust air bottom by pulp shooting machine.These two dust collection mouths 11 are connected to the first pipeline 26 respectively by collection arm, are connected with ejector 2.
In the above-described embodiments, second pipeline 27 is connected with pressure wind supply system respectively with for airduct 42 by a tee junction 43, on air-supply pipeline and between tee junction 43 and pulp shooting machine, be provided with the first control valve 28, the second pipeline 27 is provided with the second control valve 29.Particularly, this pressure wind supply system is by supplying pulp shooting machine and ejector 2 respectively for airduct 42 and the second pipeline 27 by pressure-air, and utilize the pressure of pressure-air and the viscosity of gas, slurry can be sprayed from shotcrete pipe 41, and make the air containing dust can enter ejector 2 by the first pipeline 26, mix mutually with pressure-air, finally send into dust exhaust 3.First control valve 28, second control valve 29 controls the high pressure air flow entering pulp shooting machine and ejector 2 respectively.
Fig. 4 A is the lateral view of the internal construction of dust exhaust in Fig. 1; Fig. 4 B is the top view of Fig. 4 A; Fig. 4 C is the left view of Fig. 4 A.As shown in Fig. 4 A, Fig. 4 B and Fig. 4 C, in the above-described embodiments, dust exhaust 3 can comprise a casing, and input port 31 is opened on this casing, and bottom half offers slag-drip opening 32; Box top being fixedly equipped with a water source joint 33 for being connected with water system, bottom water source joint 33, being fixedly installed shower 34 at box house, shower 34 being provided with the shower nozzle 35 of at least one.Particularly, the casing of this dust exhaust 3 can be square structure, and its material can be iron.Air containing dust can send this dust exhaust 3 to by the input port 31 be opened on casing.At the shower 34 be connected with water system that box house is arranged, sprayed out by water by shower nozzle 35, the dust in air is fallen because of Action of Gravity Field, the slag-drip opening 32 offered by bottom half is discharged.Preferably, the number of this slag-drip opening 32 can be 4.
In the above-described embodiments, the casing of dust exhaust 3 can in rectangular-shaped, and shower 34 extends along the length direction of casing, to increase the flow path of mixing air, makes dust removing effects better.
In the above-described embodiments, on the sidewall that the width along casing that input port 31 is positioned at casing extends, the sidewall that another width along casing of casing extends is provided with the noise damper 36 for reducing noise.Particularly, by input port 31, the mist of its inside can be sprayed into this dust exhaust 3 by ejector 2.On the sidewall that another width along casing of casing extends, the cleaned air through dedusting exports thus.In addition, on this delivery outlet, noise damper 36 can being set, for reducing the noise of discharging air, reducing the noise in dust removal process.
In the above-described embodiments, casing is provided with at least one pair of riser group 37, often pair of riser group 37 comprises vertically extending first riser 371 and the second riser 372, the sidewall that first riser 371 extends with two length directions along casing respectively with the second riser 372 is fixedly connected with, and the homonymy of two of often pair of riser group 37 the first risers 371 and the second riser 372 is fixedly installed at least one, point riser 38 that vertically extends.Particularly, the material of this pair riser group 37 and point riser 38 can be the metals such as iron, and by being welded together.The sidewall that first riser 371 and second riser 372 of this pair riser group 37 only have side and the length direction along casing to extend respectively is fixedly connected with, and is connected with one of them sidewall respectively.Two the first risers 371 of often pair of riser group 37 and the homonymy of the second riser 372 be fixedly installed at least one, point riser 38 that vertically extends.Preferably, the number of point riser 38 the first riser 371 and the second riser 372 arranged respectively can be 5.This point of riser 38 and the first riser 371 and the second riser 372 are in certain angle, and preferably, this angle can be 45 °.
In the above-described embodiments, dust collection cover 1 can comprise bottom, for being around in the bottom dust collecting around dust generator, and top, be located in bottom dust collecting on top cover body, top cover body and bottom dust collection are respectively arranged with a dust collection mouth 11.Particularly, top, be located in bottom dust collecting on top cover body, be mainly used in collecting the dust that pulp shooting machine charging aperture produces, and bottom, mainly collect for the bottom dust collecting be around in around dust generator the dust produced in pulp shooting machine whipping process.
The pulp shooting machine dust pelletizing system that the embodiment of the present invention provides, the air containing dust is collected by dust collection cover, and the dust collected and pressure-air are input to employing pressure-air respectively, utilize ejector, dust to be effectively drawn in ejector, dust exhaust will to be proceeded to containing dust air again and change into scoriform and discharge, do not need to adopt electric power as power source for deduster additionally provides, good dedusting effect meets the object of dust suction, and total system volume is less, whole system strong adaptability, also convenient easily carrying.In addition, the setting of dust exhaust upper vertical plate and water injector, increases the flow path of mist, can make dust rapid subsidence, improve dust removing effects.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims (8)

1. a pulp shooting machine dust pelletizing system, is characterized in that, comprising: one establishes the dust collection cover of pulp shooting machine dust generator, an ejector and for dust is shifted dust exhaust for cover;
The passing hole described dust collection cover offers the charging aperture for adding raw material, passing for shotcrete pipe, and dust collection mouth;
Described ejector has a working medium inlet, an injection medium inlet and a mixed gas outlet, and described working medium inlet place is provided with Laval nozzle, and described mixed gas outlet place is provided with diffuser;
Described working medium inlet is used for being connected with pressure wind supply system, and the described injection medium inlet of described ejector is connected by the first pipeline with described dust collection mouth, and the described mixed gas outlet of described ejector is connected with the input port of described dust exhaust;
Wherein, described pulp shooting machine comprises the refractory gunning equipment of the slurry ejection for being stirred, described shotcrete pipe is connected with described refractory gunning equipment, described refractory gunning equipment also have one for be connected with described pressure wind supply system for airduct, and the described working medium inlet of described ejector is connected with described confession airduct by the second pipeline.
2. pulp shooting machine dust pelletizing system according to claim 1, is characterized in that, the top of described dust collection cover and bottom offer dust collection mouth described in respectively, and two described dust collection mouths are connected to described first pipeline respectively by collection arm.
3. pulp shooting machine dust pelletizing system according to claim 1, it is characterized in that, described second pipeline is connected with described pressure wind supply system for airduct with described respectively by a tee junction, described air-supply pipeline is provided with the first control valve between described tee junction and described pulp shooting machine, described second pipeline is provided with the second control valve.
4., according to the arbitrary described pulp shooting machine dust pelletizing system of claims 1 to 3, it is characterized in that, described dust exhaust comprises a casing, and described input port is opened on described casing, and described bottom half offers slag-drip opening; Described box top being fixedly equipped with a water source joint for being connected with water system, bottom described water source joint, being fixedly installed shower at described box house, described shower being provided with the shower nozzle of at least one.
5. pulp shooting machine dust pelletizing system according to claim 4, is characterized in that, described casing is rectangular-shaped, and described shower extends along the length direction of described casing.
6. pulp shooting machine dust pelletizing system according to claim 5, it is characterized in that, on the sidewall that the width along described casing that described input port is positioned at described casing extends, the sidewall that another width along described casing of described casing extends is provided with the noise damper for reducing noise.
7. pulp shooting machine dust pelletizing system according to claim 6, it is characterized in that, described casing is provided with at least one pair of riser group, often pair of described riser group comprises vertically extending first riser and the second riser, the sidewall that described first riser and the second riser extend with two length directions along described casing is respectively fixedly connected with, and the homonymy of two of often pair of described riser group described first risers and the second riser is fixedly installed at least one, point riser that vertically extends.
8. pulp shooting machine dust pelletizing system according to claim 2, it is characterized in that, described dust collection cover comprise bottom, for being around in the bottom dust collecting around described dust generator, and top, the top cover body that be located on the dust collecting of described bottom, described top cover body and bottom dust collection are respectively arranged with a described dust collection mouth.
CN201210420715.3A 2012-10-29 2012-10-29 Pulp shooting machine dust pelletizing system Active CN102913271B (en)

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CN104912572A (en) * 2015-06-24 2015-09-16 淮南矿业(集团)有限责任公司 Guniting device
CN108005707B (en) * 2017-12-05 2020-02-18 枣庄矿业(集团)有限责任公司田陈煤矿 Coal mine portable guniting dust removing device
CN110792472B (en) * 2019-11-04 2021-06-15 山东科技大学 Device and method for mixing and adding chemical reagent into paste filling slurry
CN110630295A (en) * 2019-11-12 2019-12-31 徐州秩润矿山设备科技有限公司 Downhole guniting machine convenient and fast in dust fall

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