CN208803845U - A kind of low seam mining machinery roller atomizing de-dusting apparatus - Google Patents

A kind of low seam mining machinery roller atomizing de-dusting apparatus Download PDF

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Publication number
CN208803845U
CN208803845U CN201821589542.7U CN201821589542U CN208803845U CN 208803845 U CN208803845 U CN 208803845U CN 201821589542 U CN201821589542 U CN 201821589542U CN 208803845 U CN208803845 U CN 208803845U
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CN
China
Prior art keywords
nozzle
roller
blade
atomizing
dusting
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Expired - Fee Related
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CN201821589542.7U
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Chinese (zh)
Inventor
陈佳豪
石国帅
张一鸣
李鑫
万传旭
刘旭南
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Liaoning Technical University
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Liaoning Technical University
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Priority to CN201821589542.7U priority Critical patent/CN208803845U/en
Application granted granted Critical
Publication of CN208803845U publication Critical patent/CN208803845U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of low seam mining machinery roller atomizing de-dusting apparatus, belongs to field of automation technology.The low seam mining machinery roller atomizing de-dusting apparatus, is mounted on low seam mining machinery roller, including cylinder hub, end cap, blade, nozzle and water pipe;Cylinder hub is arranged on the inner wall of roller, and hole one is provided on cylinder hub, for across water pipe;The top of roller is arranged in end cap, and water inlet is provided on end cap, and water inlet is connect by water pipe with nozzle;Blade is arranged on the outer wall of roller, and blade is provided with hole two along roller in the shape of a spiral, on blade;Nozzle is arranged on blade, and nozzle sprays water from hole two.The low seam mining machinery roller atomizing de-dusting apparatus changes convenience, assembly simply, increases the nozzle quantity that unit volume is accommodated, the sprinkling of nozzle surrounding, it improves work efficiency, improves atomisation pressure, the bore of nozzle, the incidence angle of nozzle and angle of flare, improve spray effect.

Description

A kind of low seam mining machinery roller atomizing de-dusting apparatus
Technical field
The utility model relates to field of automation technology, in particular to a kind of low seam mining machinery roller atomizing de-dusting dress It sets.
Background technique
Working face in the pit dust diffuses, and sucks the health that coal miner is endangered in worker's body, and high concentrate dust Safety accident can also be caused, therefore, dust-proof, depositing dust is the matter of utmost importance that Safety of Coal Mine Production needs to solve.Atomizing de-dusting is benefit With gravity principle, the water mist sprayed is made to fall to ground in conjunction with dust, realizes depositing dust purpose.With coal-bed flooding, deduster, Foam dust-removing etc. is compared, atomizing de-dusting have the characteristics that high dust collection efficiency, equipment it is uncomplicated, it is at low cost and have practicability, because This is widely used on coal mining machine roller.The quality of helix drum internal spraying system design affects the rate of depositing dust, in shadow It plays an important role in terms of ringing face dust concentration.Domestic and foreign scholars have done numerous studies: A.J.Uule in 1996 and I.R.Widger obtains the influence of parameter and nozzle arrangements to atomizing effect by experiment, and test result shows: influencing water mist liquid Drop diameter is spraying pressure, and the result that the physical structure of nozzle influences droplet is smaller, with the increase of pressure, mist The diameter of drop becomes smaller, and the length of nozzle bore, jet expansion and vortex cavity determines the size of discharge coefficient, this test is also found Influence the turbulent flow formed when another the reason of can not ignore of particle size, i.e. high-pressure fog.Guo in 2002 is at emerging equal discussion The principle and parameters relationship of coalcutter internal spraying system, by reasonably selecting nozzle quantity, bore, pressure of supply water, to MXG- 475 type coal mining machine roller internal spraying systems are transformed.2014, Zhao Lijuan etc. established the standard of nozzle using FLUENT software Turbulence model, external spray flow field carries out sunykatuib analysis, and then improves coal miner spray dustfall efficiency.Xu Ming in 2015 etc. is not to It is compared with spray angle mist droplet particle size, flow, effective range, to improve atomizing de-dusting effect.
In actual use, more if encountering special circumstances dust, due to nozzle system and structure problem, drum functions When direction it is single cannot make the multi-direction work of nozzle, make spray water mist covering area it is smaller, to cause depositing dust Efficiency is lower.Spraying firing dust system between the new patent blade that Xuzhou chats Hui Hong mining equiment Co., Ltd proposes, intention are new Grain husk, but due to unit volume inner nozzle negligible amounts, encounter dust quantity it is larger when can not actively solve this problem, lead Staff is caused to go to bits, therefore these problems all cannot be neglected.
Summary of the invention
Of the existing technology in order to solve the problems, such as, the purpose of the utility model is to provide a kind of low seam mining machinery rollers Atomizing de-dusting apparatus changes convenience, assembly simply, increases the nozzle quantity that unit volume is accommodated, and the sprinkling of nozzle surrounding mentions High working efficiency, improves atomisation pressure, the bore of nozzle, the incidence angle of nozzle and angle of flare, improves spray effect.
In order to realize that above-mentioned purpose of utility model, the technical solution of the utility model be:
A kind of low seam mining machinery roller atomizing de-dusting apparatus, is mounted on low seam mining machinery roller, the girdle Coal mining machine roller atomizing de-dusting apparatus includes cylinder hub, end cap, blade, nozzle and water pipe;
The cylinder hub is arranged on the inner wall of roller, and hole one is provided on cylinder hub, for across water pipe;
The top of roller is arranged in the end cap, and water inlet is provided on end cap, and water inlet is connect by water pipe with nozzle;
The blade is arranged on the outer wall of roller, and blade is provided with hole two along roller in the shape of a spiral, on blade;
The nozzle is arranged on blade, and nozzle sprays water from hole two.
The incidence angle of the nozzle is 15 °, and the angle of flare of nozzle is 60 °, and the atomisation pressure of nozzle is 5MPa, the mouth of nozzle Diameter is 1.2mm.
It is respectively arranged with toothholder on the blade and end cap, is provided with pick on the toothholder.
The beneficial effects of the utility model are:
(1) blade arranges in the shape of a spiral on the outer wall of roller, and nozzle setting also arranges in the shape of a spiral on blade, significantly Increase the nozzle quantity that unit volume is accommodated;
(2) nozzle sprays around, improves work efficiency, and improves spray effect;
(3) low seam mining machinery roller atomizing de-dusting apparatus changes conveniently, and the position of each nozzle is to evenly distribute , it is assembled simple;
(4) when the incidence angle of nozzle is 15 °, droplet is best to the encirclement effect and atomizing effect of pick;The expansion of nozzle When scattered angle is 60 °, the bore of nozzle is 1.2mm, nozzle spray effect is best;When the atomisation pressure of nozzle is 5MPa, device Atomized dust settling effect is best.
Detailed description of the invention
Fig. 1 is the cross-sectional view of low seam mining machinery roller atomizing de-dusting apparatus provided by the utility model;
Fig. 2 is the bottom view of low seam mining machinery roller atomizing de-dusting apparatus provided by the utility model;
Fig. 3 is the cross-sectional view of nozzle provided by the utility model;
Fig. 4 be nozzle incident angle be 15 ° when atomizing concentration cloud atlas;
Fig. 5 is the curve graph of the spray particle diameter under different pressures;
Fig. 6 is the atomizing concentration cloud atlas under conditions of different spray nozzles bore, wherein (a) indicates that the bore of nozzle is 1.0mm When atomizing concentration cloud atlas;(b) the atomizing concentration cloud atlas when bore for indicating nozzle is 1.2mm;(c) bore of expression nozzle is Atomizing concentration cloud atlas when 1.5mm;(d) the atomizing concentration cloud atlas when bore for indicating nozzle is 1.8mm;
Fig. 7 is the atomizing concentration cloud atlas under the conditions of different angles of flare, wherein (a) indicates that atomization when angle of flare is 30 ° is dense Spend cloud atlas;(b) atomizing concentration cloud atlas when angle of flare is 45 ° is indicated;(c) atomizing concentration cloud atlas when angle of flare is 60 ° is indicated.
Wherein,
1- end cap, 2- hubs, 3- blade, 4- pick, 5- toothholder, 6- nozzle, 7- water pipe, 8- sealing ring.
Specific embodiment
Of the existing technology in order to solve the problems, such as, as shown in Figures 1 to 7, the utility model provides a kind of girdle and adopts Coal machine cylinder atomizing de-dusting apparatus, is mounted on low seam mining machinery roller, low seam mining machinery roller atomizing de-dusting apparatus packet Include a hub 2, end cap 1, blade 3, nozzle 6 and water pipe 7;Cylinder hub 2 is arranged on the inner wall of roller, and hole one is provided on cylinder hub 2, uses In across water pipe 7;The top of roller is arranged in end cap 1, and water inlet is provided on end cap 1, and water inlet passes through water pipe 7 and nozzle 6 The junction of connection, water pipe 7 and water inlet is provided with sealing ring 8;Blade 3 is arranged on the outer wall of roller, and blade 3 is in along roller Helical form is provided with hole two on blade 3;Nozzle 6 is arranged on blade 3, and nozzle 6 sprays water from hole two.
The incidence angle of nozzle 6 is 15 °, and the angle of flare of nozzle 6 is 60 °, and the atomisation pressure of nozzle 6 is 5MPa, the mouth of nozzle 6 Diameter is 1.2mm.In the utility model, the incidence angle of nozzle 6 is the angle of nozzle 6 and pick 4.
It is respectively arranged with toothholder 5 on blade 3 and end cap 1, pick 4 is provided on toothholder 5.
In the utility model, low seam mining machinery roller atomizing de-dusting apparatus is vertically arranged, using the axis of roller as axis, rolling The top of cylinder is provided with end cap 1, the rocker arm connection of bottom end and low seam mining machinery, and the water inlet of end cap 1 is uniformly distributed, water inlet It is connect by water pipe 7 with nozzle 6, for nozzle 6 with blade 3 using being threadedly coupled, water forms water mist by the ejection of nozzle 6, plays drop Dirt acts on and cools down pick 4.In the utility model, low seam mining machinery is the prior art, including roller, rocker arm, tractive unit, row Walk case, electric cabinet, pick 4 and toothholder 5 etc..
In the utility model, the depositing dust principle of low seam mining machinery roller atomizing de-dusting apparatus: low seam mining machinery is with one When determining hauling speed operation, roller is rotated with certain speed, and roller rotates and cut coal wall, the coal under cutting from coal wall of pick 4 Body, meanwhile, water pipe 7 is intake, and for water through certain pressure to nozzle 6, jet hole is spraying to 4 direction of pick at a certain angle, realizes spray The effect of mist depositing dust, wherein water inlet carries out simultaneously with water outlet, thus whole device continuous work;The incidence angle of nozzle 6 be 15 °, When the angle of flare of nozzle 6 is 60 °, the atomisation pressure of nozzle 6 is 5MPa, the bore of nozzle 6 is 1.2mm, the atomized dust settling of device Effect is best.
In the present embodiment, with incidence angle of the Fluent software to nozzle 6 be 15 °, the angle of flare of nozzle 6 is 60 °, nozzle Atomized dust settling effect when 6 atomisation pressure is 5MPa and the bore of nozzle 6 is 1.2mm is emulated.
As shown in figure 4, when the incidence angle of nozzle 6 is 15 °, droplet almost surrounds entire pick 4, even if pick 4 stops It is spraying, occur by spraying atomizing concentration still uniformly, easily form being sprayed for high quality.
As shown in figure 5, the spray particle diameter when atomisation pressure for 1. indicating nozzle 6 is 3MPa;2. indicating the spraying pressure of nozzle 6 Spray particle diameter when power is 4MPa;Spray particle diameter when 3. the atomisation pressure for indicating nozzle 6 is 5MPa;4. indicating the spray of nozzle 6 Spray particle diameter when mist pressure is 6MPa;Spray particle diameter when 5. the atomisation pressure for indicating nozzle 6 is 7MPa.With the increasing of pressure Greatly, droplet speed also constantly increases, so that droplet quantity is also increasingly concentrated, but further increasing with pressure, causes mist Occur colliding and merging between drop, disperse droplet more by VELOCITY DISTRIBUTION quantity, and pressure is higher to internal spraying system requirement It is higher, so, when the atomisation pressure of nozzle 6 is 5MPa, the atomized dust settling effect of device is best.
As shown in fig. 6, spray concentration is with 6 bore of nozzle under the conditions of identical angle of flare, incidence angle and atomisation pressure Increase is gradually increased, and when the bore of nozzle 6 is 1.2mm, 6 atomizing concentration highest of nozzle, subsequent spray concentration is gradually decreased.
As shown in fig. 7, the spray that each nozzle 6 is formed starts to be overlapped, and maximum concentration can when the angle of flare of nozzle 6 is 60 ° Up to 89.7g/cm3, atomization volume significantly increases and diffusion effect is preferable, forms closing veil in cylinder, and dust is direct Interception is got off, and a large amount of droplets spread out, and is helped to drift and is caught dirt.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (3)

1. a kind of low seam mining machinery roller atomizing de-dusting apparatus, is mounted on low seam mining machinery roller, which is characterized in that institute Stating low seam mining machinery roller atomizing de-dusting apparatus includes cylinder hub, end cap, blade, nozzle and water pipe;
The cylinder hub is arranged on the inner wall of roller, and hole one is provided on cylinder hub, for across water pipe;
The top of roller is arranged in the end cap, and water inlet is provided on end cap, and water inlet is connect by water pipe with nozzle;
The blade is arranged on the outer wall of roller, and blade is provided with hole two along roller in the shape of a spiral, on blade;
The nozzle is arranged on blade, and nozzle sprays water from hole two.
2. low seam mining machinery roller atomizing de-dusting apparatus according to claim 1, which is characterized in that the nozzle enters Firing angle is 15 °, and the angle of flare of nozzle is 60 °, and the atomisation pressure of nozzle is 5MPa, and the bore of nozzle is 1.2mm.
3. low seam mining machinery roller atomizing de-dusting apparatus according to claim 1, which is characterized in that the blade and end It covers and is respectively arranged with toothholder, be provided with pick on the toothholder.
CN201821589542.7U 2018-09-28 2018-09-28 A kind of low seam mining machinery roller atomizing de-dusting apparatus Expired - Fee Related CN208803845U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821589542.7U CN208803845U (en) 2018-09-28 2018-09-28 A kind of low seam mining machinery roller atomizing de-dusting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821589542.7U CN208803845U (en) 2018-09-28 2018-09-28 A kind of low seam mining machinery roller atomizing de-dusting apparatus

Publications (1)

Publication Number Publication Date
CN208803845U true CN208803845U (en) 2019-04-30

Family

ID=66238615

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821589542.7U Expired - Fee Related CN208803845U (en) 2018-09-28 2018-09-28 A kind of low seam mining machinery roller atomizing de-dusting apparatus

Country Status (1)

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CN (1) CN208803845U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190430

Termination date: 20190928

CF01 Termination of patent right due to non-payment of annual fee