CN102913271A - Dust removal system for spraying machine - Google Patents
Dust removal system for spraying machine Download PDFInfo
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- CN102913271A CN102913271A CN2012104207153A CN201210420715A CN102913271A CN 102913271 A CN102913271 A CN 102913271A CN 2012104207153 A CN2012104207153 A CN 2012104207153A CN 201210420715 A CN201210420715 A CN 201210420715A CN 102913271 A CN102913271 A CN 102913271A
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- dust
- shooting machine
- pulp shooting
- riser
- dust collection
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Abstract
The invention provides a dust removal system for a spraying machine, which includes a dust collecting shade for covering a dust generating device of the spraying machine, and an injector for transferring dust to a dust exhausting device, wherein the a feed opening for feeding raw material, a through hole for allowing a spraying pipe to penetrate out, and a dust collecting opening are formed in the dust collecting shade; the injector is provided with an actuating medium inlet, an injection medium inlet and a mixed gas outlet; a laval spray nozzle is arranged at the actuating medium inlet; a diffuser is arranged adjacent to the mixed gas outlet; the actuating medium inlet is used for being connected with a pressure gas supply system; the injection medium inlet of the injector is connected with the dust collecting opening through a first pipeline; and the mixed gas outlet of the injector is connected with an input opening of the dust exhausting device. The dust removal system for the spraying machine is used for collecting air with dust through the dust collecting shade, and transferring the air with dust to the dust exhausting device through the injector in virtue of high-pressure air, does not need electric power serving as a power source, and meets the purpose of dust removal, and the entire system has strong suitability.
Description
Technical field
The present invention relates to mechanical technique, relate in particular to a kind of pulp shooting machine dust pelletizing system.
Background technology
In the 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, and people's health is caused very major injury.Therefore, when pulp shooting machine uses, must the supporting deduster that is provided with.
In the prior art, pulp shooting machine in the down-hole mostly separates with deduster, and employed deduster adopts electric power as power source more, produce stronger absorption affinity by motor rotation acting and absorb dust laden air, again by filter plant in the deduster with the dust separation in the dust laden air out, realize dedusting.
But, under coal mine, because requirement of explosion proof is high, thisly as the deduster of power source multiple safety protection need to be set with electric power, cause bulky heaviness, bad adaptability; And, when the occasion far away of distance power supply can't be suitable for, thereby having increased the additional input of equipment, and used inconveniently, produced simultaneously noise is also larger.
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, need not as deduster provides separately electric energy, and easy to use, strong adaptability.
The invention provides a kind of pulp shooting machine dust pelletizing system, comprise that one is used for that cover is established the dust collection cover of pulp shooting machine dust generator, an ejector and is used for dust is turned with dust exhaust;
Offer on the dust collection cover for the charging aperture that adds raw material, for what shotcrete pipe passed and pass through hole and dust collection mouth; Ejector has a working media entrance, an injection medium inlet and a mixed gas outlet, and the working media entrance is provided with Laval nozzle, is provided with diffuser near the mixed gas outlet place; The working media entrance is used for linking to each other with the pressure wind supply system, and the injection medium inlet of ejector links to each other by the first pipeline with the dust collection mouth, and the mixed gas outlet of ejector links to each other with the input port of dust exhaust.
Aforesaid pulp shooting machine dust pelletizing system, wherein, pulp shooting machine comprises the refractory gunning equipment for the slurry ejection that will stir, shotcrete pipe is connected with refractory gunning equipment, refractory gunning equipment also has one for the airduct that supplies that is connected with the pressure wind supply system, and the working media entrance of ejector is connected with supplying airduct by the second pipeline.
Aforesaid pulp shooting machine dust pelletizing system, wherein, the top of dust collection cover and bottom offer respectively a dust collection mouth, and two dust collection mouths are connected to the first pipeline by collecting arm respectively.
Aforesaid pulp shooting machine dust pelletizing system, wherein, the second pipeline is connected respectively with for airduct and pressure wind supply system by a tee junction, being provided with the first control valve on the air-supply pipeline and between tee junction and pulp shooting machine, is provided with the second control valve at the second pipeline.
Aforesaid pulp shooting machine dust pelletizing system, wherein, dust exhaust comprises a casing, and the input port is opened on the casing, and bottom half offers slag-drip opening; Fixedly be equipped with one for the water source joint that is connected with water system at box top, be fixedly installed shower in water source joint bottom and at box house, be provided with the shower nozzle of at least one on the shower.
Aforesaid pulp shooting machine dust pelletizing system, wherein, the casing of dust exhaust is rectangular-shaped, and shower extends along the length direction of casing.
Aforesaid pulp shooting machine dust pelletizing system, wherein, the input port of dust exhaust is positioned on one of the casing sidewall that extends along the width of casing, is provided with the noise damper for reducing noise on another sidewall that extends along the width of casing of casing.
Aforesaid pulp shooting machine dust pelletizing system, wherein, dust exhaust is provided with at least one pair of riser group at casing, every pair of riser group comprises vertically extending the first riser and the second riser, the first riser and the second riser are fixedly connected with two sidewalls that extend along the length direction of casing respectively, and the homonymy of two the first risers of every pair of riser group and the second riser be fixedly installed at least one, along minute riser of vertical extension.
Aforesaid pulp shooting machine dust pelletizing system, wherein, the dust collection cover also comprise the bottom, be used for being around in the bottom dust collecting around the dust generator, and the top, be located in the top cover body of bottom on the dust collecting, be respectively arranged with a dust collection mouth on top cover body and the bottom dust collection.
Pulp shooting machine dust pelletizing system provided by the invention, collect the air that contains dust by the dust collection cover, and dust and the pressure-air of collecting be input to respectively ejector, effectively to be drawn into dust in the ejector, will to contain again the dust air and change dust exhaust over to and change into scoriform and discharge, not needing additionally provides electric power as power source for deduster, good dedusting effect, and the total system volume is less, system suitability is strong, also convenient easily carrying.
Description of drawings
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 among 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 among 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:
The specific embodiment
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 that one is used for that cover is established the dust collection cover 1 of pulp shooting machine dust generator, an ejector 2 and is used for dust is turned with dust exhaust 3.
Offer on the dust collection cover 1 for the charging aperture that adds raw material, for what shotcrete pipe 41 passed and pass through hole and dust collection mouth 11; Particularly, dust collection cover 1 can be as a whole, also can be divided into a top dust collection cover and a bottom dust collection, and its material can be iron, aluminium, plastics etc., and preferably, the present embodiment can use the iron sheet manufacturing.Dust collection cover 1 top can be offered for the charging aperture and the dust collection mouth 11 that add raw material; Dust collection cover 1 bottom can be offered for what shotcrete pipe passed and pass through hole and dust collection mouth 11.The charging aperture of offering on the dust collection cover 1 specifically can be arranged on the side of dust collection cover 1, make things convenient for pulp shooting machine during whitewashing, to add raw material, and can the have an appointment distance of 300～700mm of the top of the distance from top pulp shooting machine charging aperture of dust collection cover 1, preferably, this highly can be 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 the dust collection cover 1, and the dust that pulp shooting machine is produced in the processes such as charging, stirring is discharged from dust collection mouth 11.In addition, the bottom of this dust cover comprises that also one pass through the hole for what shotcrete pipe 41 passed, and shotcrete pipe 41 sprays slurry by this hole, has both guaranteed the normal operation of pulp shooting machine, can make again that dust is unlikely to shed.
Fig. 2 is the internal construction schematic diagram of ejector among 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 a working media entrance 21, an injection medium inlet 22 and a mixed gas outlet 23, and working media entrance 21 places are provided with Laval nozzle 24, is provided with diffuser 25 near mixed gas outlet 23 places.Particularly, these Laval nozzle 24 length can be 40mm, and it puts in the mixing chamber of ejector 2 from working media entrance 21, and the length that puts in can be 22mm.
Working media entrance 21 is used for linking to each other with the pressure wind supply system, and the injection medium inlet 22 of ejector 2 links to each other by the first pipeline 26 with dust collection mouth 11, and the mixed gas outlet 23 of ejector 2 links to each other with the input port 31 of dust exhaust 3.
Particularly, working media entrance 21 links to each other with the pressure wind supply system, pressure-air can enter ejector 2 by working media entrance 21 places, injection medium inlet 22 links to each other by the first pipeline 26 with dust collection mouth 11, can be entered in the cavity of this ejector 2 by injection medium inlet 22 so that contain the air of dust, mix mutually with the pressure-air of coming in from working media entrance 21, discharged by mixed gas outlet 23 again.The mixed gas outlet 23 of ejector 2 links to each other with the input port 31 of dust exhaust 3, and mist has just entered dust exhaust 3 by mixed gas outlet 23.Particularly, be formed with diffuser 25 near mixed gas outlet 23 places, Laval nozzle 24 and diffuser 25 have formed the special airflow line of a section variation.Pressure-air is transformed into kinetic energy by Laval nozzle 24 with pressure energy and bleeds.Because the viscosity of gas, high velocity air sweep away the air in the injection medium inlet 22, thereby make injection medium inlet 22 form vacuum.Like this, under the effect of pressure reduction, 22 suck ejectors 2 from the injection medium inlet from the dust laden air of dust collection cover 1 continually by the first pipeline 26, the gases at high pressure that enter with working media entrance 21 places mix in the chamber of ejector 2.And mixed airflow is transformed into pressure energy by diffuser 25 with kinetic energy, pressure differential between working media entrance 21, injection medium inlet 22 and the mixed gas outlet 23, so that mixing air can be discharged from mixed gas outlet 23, realize the circulation of air of whole pipeline.
The pulp shooting machine dust pelletizing system that the embodiment of the invention provides, collect the air that contains dust by the dust collection cover, and dust and the pressure-air of collecting be input to respectively ejector, effectively to be drawn into dust in the ejector, will to contain again the dust air and change dust exhaust over to and change into scoriform and discharge, not needing additionally provides electric power as power source for deduster, good dedusting effect, and the total system volume is less, system suitability is 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 for the slurry ejection that will stir, shotcrete pipe 41 is connected with refractory gunning equipment 4, refractory gunning equipment 4 can also have a confession airduct 42 that is used for being connected with the pressure wind supply system, and the working media entrance 21 of ejector 2 is connected with supplying airduct 42 by the second pipeline 27.Particularly, the airduct 42 that supplies of refractory gunning equipment 4 is connected with the pressure wind supply system, and this pressure air feed system is injected into refractory gunning equipment 4 by for airduct 42 with pressure-air, so slurry is just under the pressure-acting of pressure-air, from shotcrete pipe 41 ejections.In addition, the working media entrance 21 of ejector 2 is connected with supplying airduct 42 by the second pipeline 27, so that pressure-air can enter ejector 2 by the second pipeline 27.
In the above-described embodiments, the top of dust collection cover 1 and bottom offer respectively 11, two dust collection mouths 11 of a dust collection mouth and are connected to the first pipeline 26 by collecting arm respectively.Particularly, this dust collection cover 1 can be as a whole, also can be divided into a top dust collection cover and a bottom dust collection, and 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 pulp shooting machine top contained the dust Bas Discharged; Its dust collection mouth 11 of offering of bottom is mainly used in the pulp shooting machine bottom contained the dust Bas Discharged.These two dust collection mouths 11 are connected to the first pipeline 26 by collecting arm respectively, link to each other with ejector 2.
In the above-described embodiments, the second pipeline 27 is connected respectively with for airduct 42 and pressure wind supply system by a tee junction 43, being provided with the first control valve 28 on the air-supply pipeline and between tee junction 43 and pulp shooting machine, be provided with the second control valve 29 at the second pipeline 27.Particularly, this pressure wind supply system is by supplying with respectively pulp shooting machine and ejector 2 for airduct 42 and the second pipeline 27 with pressure-air, and utilize the viscosity of pressure and the gas of pressure-air, slurry can be sprayed from shotcrete pipe 41, and make the air that contains dust enter ejector 2 by the first pipeline 26, mix mutually with pressure-air, send at last dust exhaust 3.The first control valve 28, the second control valve 29 are controlled respectively the high pressure air flow that enters pulp shooting machine and ejector 2.
Fig. 4 A is the lateral view of the internal construction of dust exhaust among Fig. 1; Fig. 4 B is the top view of Fig. 4 A; Fig. 4 C is the left view of Fig. 4 A.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; Fixedly be equipped with one for the water source joint 33 that is connected with water system at box top, be fixedly installed shower 34 in water source joint 33 bottoms and at box house, be provided with the shower nozzle 35 of at least one on the shower 34.Particularly, the casing of this dust exhaust 3 can be square structure, and its material can be iron.The air that contains dust can be sent this dust exhaust 3 to by the input port 31 that is opened on the casing.The shower that links to each other with water system 34 that arranges at box house sprays out water by shower nozzle 35, and airborne dust is fallen because of Action of Gravity Field, slag-drip opening 32 discharges of offering by bottom half.Preferably, the number of this slag-drip opening 32 can be 4.
In the above-described embodiments, it is rectangular-shaped that the casing of dust exhaust 3 can be, 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, input port 31 is positioned on one of the casing sidewall that extends along the width of casing, is provided with the noise damper 36 for reducing noise on another sidewall that extends along the width of casing of casing.Particularly, by input port 31, ejector 2 can spray into this dust exhaust 3 by the mist that it is inner.On another sidewall that extends along the width of casing of casing, export thus through the cleaned air of dedusting.In addition, on this delivery outlet, noise damper 36 can be set, with for reducing the noise of discharging air, reduce the noise in the dust removal process.
In the above-described embodiments, be provided with at least one pair of riser group 37 at casing, every pair of riser group 37 comprises vertically extending the first riser 371 and the second riser 372, the first riser 371 and the second riser 372 are fixedly connected with two sidewalls that extend along the length direction of casing respectively, and the homonymy of two the first risers 371 of every pair of riser group 37 and the second riser 372 be fixedly installed at least one, along minute riser 38 of vertical extension.Particularly, the material of this a pair of riser group 37 and minute riser 38 can be the metals such as iron, and by being welded together.The sidewall that the first riser 371 of this a pair of riser group 37 and the second riser 372 only have respectively a side and length direction along casing to extend is fixedly connected with, and is connected with one of them sidewall respectively.The homonymy of two the first risers 371 of every pair of riser group 37 and the second riser 372 be fixedly installed at least one, along minute riser 38 of vertical extension.The number of minute riser 38 that preferably, arranges respectively on the first riser 371 and the second riser 372 can be 5.This minute, riser 38 was certain angle with the first riser 371 and the second riser 372, and preferably, this angle can be 45 °.
In the above-described embodiments, dust collection cover 1 can comprise the bottom, be used for being around in the bottom dust collecting around the dust generator, and the top, be located in the top cover body of bottom on the dust collecting, be respectively arranged with a dust collection mouth 11 on top cover body and the bottom dust collection.Particularly, the top, be located in the top cover body of bottom on the dust collecting, be mainly used in collecting the dust that the pulp shooting machine charging aperture produces, and the bottom dust collecting bottom, that be used for being around in around the dust generator is mainly collected the dust that the pulp shooting machine whipping process produces.
The pulp shooting machine dust pelletizing system that the embodiment of the invention provides, collect the air that contains dust by the dust collection cover, and dust and the pressure-air of collecting be input to respectively the employing pressure-air, utilize ejector, effectively to be drawn into dust in the ejector, will to contain again the dust air and change dust exhaust over to and change into scoriform and discharge, do not need to adopt electric power as power source for deduster additionally provides, good dedusting effect has satisfied the purpose of dust suction, and the total system volume is less, the whole system strong adaptability, also convenient easily carrying.In addition, the setting of dust exhaust upper vertical plate and water injector has increased the flow path of mist, can make the dust rapid subsidence, has improved dust removing effects.
It should be noted that at last: above each embodiment is not intended to limit only in order to technical scheme of the present invention to be described; Although with reference to aforementioned each embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a pulp shooting machine dust pelletizing system is characterized in that, comprising: one is used for cover establishes the dust collection cover of pulp shooting machine dust generator, an ejector and for dust is turned with dust exhaust;
Offer on the described dust collection cover for the charging aperture that adds raw material, for what shotcrete pipe passed and pass through hole and dust collection mouth;
Described ejector has a working media entrance, an injection medium inlet and a mixed gas outlet, and described working media entrance is provided with Laval nozzle, is provided with diffuser near described mixed gas outlet place;
Described working media entrance is used for linking to each other with the pressure wind supply system, and the described injection medium inlet of described ejector links to each other by the first pipeline with described dust collection mouth, and the described mixed gas outlet of described ejector links to each other with the input port of described dust exhaust.
2. pulp shooting machine dust pelletizing system according to claim 1, it is characterized in that, described pulp shooting machine comprises the refractory gunning equipment for the slurry ejection that will stir, described shotcrete pipe is connected with described refractory gunning equipment, described refractory gunning equipment also has one for the airduct that supplies that is connected with described pressure wind supply system, and the described working media entrance of described ejector is connected for airduct with described by the second pipeline.
3. pulp shooting machine dust pelletizing system according to claim 1 is characterized in that, the top of described dust collection cover and bottom offer respectively a described dust collection mouth, and two described dust collection mouths are connected to described the first pipeline by collecting arm respectively.
4. pulp shooting machine dust pelletizing system according to claim 2, it is characterized in that, described the second pipeline is connected for airduct and described pressure wind supply system with described respectively by a tee junction, be provided with the first control valve on the described air-supply pipeline and between described tee junction and described pulp shooting machine, be provided with the second control valve at described the second pipeline.
5. according to claim 1 to 4 arbitrary described pulp shooting machine dust pelletizing systems, it is characterized in that, described dust exhaust comprises a casing, and described input port is opened on the described casing, and described bottom half offers slag-drip opening; Fixedly be equipped with one for the water source joint that is connected with water system at described box top, be fixedly installed shower in described water source joint bottom and at described box house, be provided with the shower nozzle of at least one on the described shower.
6. pulp shooting machine dust pelletizing system according to claim 5 is characterized in that, described casing is rectangular-shaped, and described shower extends along the length direction of described casing.
7. pulp shooting machine dust pelletizing system according to claim 6, it is characterized in that, described input port is positioned on one of the described casing sidewall that extends along the width of described casing, is provided with the noise damper for reducing noise on another sidewall that extends along the width of described casing of described casing.
8. pulp shooting machine dust pelletizing system according to claim 7, it is characterized in that, be provided with at least one pair of riser group at described casing, every pair of described riser group comprises vertically extending the first riser and the second riser, described the first riser and the second riser are fixedly connected with two sidewalls that extend along the length direction of described casing respectively, and the homonymy of two described the first risers of every pair of described riser group and the second riser be fixedly installed at least one, along minute riser of vertical extension.
9. pulp shooting machine dust pelletizing system according to claim 3, it is characterized in that, described dust collection cover comprise the bottom, be used for being around in the bottom dust collecting around the described dust generator, and the top, be located in the top cover body on the dust collecting of described bottom, be respectively arranged with a described dust collection mouth on described top cover body and the bottom dust collection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210420715.3A CN102913271B (en) | 2012-10-29 | 2012-10-29 | Pulp shooting machine dust pelletizing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210420715.3A CN102913271B (en) | 2012-10-29 | 2012-10-29 | Pulp shooting machine dust pelletizing system |
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| CN102913271A true CN102913271A (en) | 2013-02-06 |
| CN102913271B CN102913271B (en) | 2016-02-03 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912572A (en) * | 2015-06-24 | 2015-09-16 | 淮南矿业(集团)有限责任公司 | Guniting device |
| CN108005707A (en) * | 2017-12-05 | 2018-05-08 | 枣庄矿业(集团)有限责任公司田陈煤矿 | Colliery removable guniting dust collector |
| 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 |
| CN110792472A (en) * | 2019-11-04 | 2020-02-14 | 山东科技大学 | Device and method for mixing and adding chemical reagent into paste filling slurry |
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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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| 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 |
| CN110792472A (en) * | 2019-11-04 | 2020-02-14 | 山东科技大学 | Device and method for mixing and adding chemical reagent into paste filling slurry |
| 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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|---|---|
| CN102913271B (en) | 2016-02-03 |
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