CN104647589B - A kind of vertical pulper of mining fire extinguishing - Google Patents
A kind of vertical pulper of mining fire extinguishing Download PDFInfo
- Publication number
- CN104647589B CN104647589B CN201510039890.1A CN201510039890A CN104647589B CN 104647589 B CN104647589 B CN 104647589B CN 201510039890 A CN201510039890 A CN 201510039890A CN 104647589 B CN104647589 B CN 104647589B
- Authority
- CN
- China
- Prior art keywords
- urceolus
- inner core
- impeller
- fire extinguishing
- pulper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C3/00—Apparatus or methods for mixing clay with other substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/91—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with propellers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F29/00—Mixers with rotating receptacles
- B01F29/80—Mixers with rotating receptacles rotating about a substantially vertical axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C1/00—Apparatus or methods for obtaining or processing clay
- B28C1/02—Apparatus or methods for obtaining or processing clay for producing or processing clay suspensions, e.g. slip
- B28C1/04—Producing suspensions, e.g. by blunging or mixing; with means for removing stones
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Paper (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention discloses a kind of vertical pulper of mining fire extinguishing, described inner core outer is contained on the outer at urceolus top by pivoting support, gap is left between inner tank theca and outer tube inner wall, inner core can be made to rotate relative to urceolus, impeller is placed on the bottom in urceolus, for the spill matched with impeller bottom described urceolus, impeller is connected with the belt pulley being arranged on outside urceolus by power transmission shaft, and described power transmission shaft connects seat by axle and is contained in urceolus exterior bottom；The top of outer tube side wall is provided with grout outlet, bottom is provided with slag notch, vertical dimension bottom the discharging opening of described conveying worm and urceolus is more than the vertical dimension bottom grout outlet and urceolus, the bottom of described inner core inwall is provided with scum board, is provided with scum hole in the front side of scum board direction of rotation.Just can filter the impurity in pulping process without filter screen inside pulper, it has, and slurrying is uniform, energy consumption is low, deslagging is effective, floor space is little and service life is long.
Description
Technical field
The present invention relates to a kind of pulper, a kind of vertical pulper of mining fire extinguishing.
Background technology
Colliery coal dust dieseling is one of reason causing coal-mine fire, and one of solution is exactly toward coal mine gob slip casting,
By coal dust and air exclusion, solve the potential safety hazard of spontaneous combustion of pulverized coal.Colliery grouting fireproofing technique be by loess or flyash,
Mine tailings etc. mix in certain proportion with water, make uniform serosity, are transported to fire treatment region and carry out grouting fire prevention.Slurrying
Effect directly influences fireproof reliability, and therefore the reliable fireproof in colliery prerequisite is exactly the full and uniform mixing of water and material,
Based on this problem the shortcoming that current existing pulping process exists made following elaboration:
Application No. 201020597244.X, the day for announcing is in JIUYUE, 2011 Chinese utility model patent " the integral type system of 7 days
Pulp grinder ": this equipment drives the sprocket wheel of cylinder periphery to rotate forward employing lifting blade assembly by motor and loess granule and mud is promoted
Fall again to eminence, accelerate melting of granule by constantly extruding, friction, it is achieved continuous stirring slurrying.But this drive form
Limited by rotating speed and make pulper not to be sufficiently mixed with water by material well.Application No. 201220422533.5, the day for announcing
It is the Chinese utility model patent " preventing and extinguishing fire of coal mine drum-type grout-making machine " on March 20th, 2013: use the container of inclination
Structure, bigger impurity is filtered by the frustum of a cone of grout outlet sieve nest shape, strengthens pulping material and mixes with the uniform of water,
But this structure is easily caused and is blocked by grout outlet when serosity is denseer or grit impurity is more.Application No. 201130452361.7,
The day for announcing is the Chinese appearance patent " colloid draft machine (ZLC-60) " on July 4th, 2012: pulping process as seen from the figure
Use the filter screen being covered with whole mash vessel, improve filter effect to a certain extent, but due to grit impurity and filter screen
Frequent impact rubs, and easily causes filter screen and damages；Large area strainer filtering simultaneously, once blocked being difficult to of filter screen is cleaned.Shen
Please number be 201120469773.6, the day for announcing be Chinese utility model patent " a kind of automatic discharge on July 11st, 2012
Formula pulper ": for the pulper of a kind of centrifugal pulp-making method, by slurrying blade mixing water at a high speed with expect while also will be bigger
Hard particles smash, it is achieved prepared by the serosity of uniform and smooth, but this process power consumption is relatively big, simultaneously bigger when running into hardness
It is likely to blade damage during granule.
Summary of the invention
The problem existed for above-mentioned prior art, the present invention provides a kind of vertical pulper of mining fire extinguishing, therein without
Need drainage screen just can the impurity in pulping process to be filtered, have that slurrying is uniform, energy consumption is low, deslagging effect substantially,
Floor space is little and service life is long.
To achieve these goals, a kind of vertical pulper of mining fire extinguishing includes hopper, inner core, urceolus, conveying worm
And agitating device, hopper is contained in inner core top, leaves gap, institute in inner core is arranged on urceolus and bottom inner core bottom urceolus
The inner core outer stated is contained on the outer at urceolus top by pivoting support, leaves gap between inner tank theca and outer tube inner wall,
Inner core can be made to rotate relative to urceolus, it is achieved that the effect that just can filter without drainage screen；Described agitating device include impeller,
Power transmission shaft and belt pulley, impeller is placed on the bottom in urceolus, for the spill matched with impeller, ripple bottom described urceolus
Wheel is connected with the belt pulley being arranged on outside urceolus by power transmission shaft, and described power transmission shaft connects seat by axle and is contained in outside urceolus
Bottom, is provided with waterproof seal between power transmission shaft and urceolus；The top of outer tube side wall is provided with grout outlet, bottom is provided with slag notch,
Conveying worm is arranged on urceolus side and its one end and is connected with slag notch pipeline, the discharging opening of described conveying worm with
Vertical dimension bottom urceolus is more than the vertical dimension bottom grout outlet and urceolus, and the bottom of described inner core inwall is provided with scum board,
It is provided with scum hole in the front side of scum board direction of rotation.
Further, also including water injection pipe, water injection pipe is contained in inner core top；It is easy to the further mixing of material.
Further, the drainage screen with kink it is provided with outside described grout outlet；Increase filter screen and play the effect of secondary filter,
Solve the contaminant filter problem failing under gravity to precipitate.Filter screen uses the structure of kink simultaneously, can be direct
Plug, this brings great convenience for changing filter screen, it is simple to the maintenance of staff.
Further, described scum board is the shape of involute.This structure deslagging is effective, and service life is long.
Further, described impeller uses the structure of internal protrusion, and described projection is S type.This structure passes through high speed rotating
Can be good at uniformly mixing material and water, be thrown to according to effect just adamant block and the bigger soil block of centrifugal force simultaneously
Inner core inwall, wherein adamant block will be discharged by conveying worm, and soil block will crush, again with scum board high velocity impact
Mix and blend.
Further, also include carrying valvular cleaning pipeline, described cleaning pipeline are contained in bottom urceolus and pass through with outer barrel
Logical.After slurrying during cleaning pulper, open the valve cleaning pipeline, it is simple to allow and remain in bottom impeller
Serosity discharge in the lump, can preferably clean whole pulper.
Compared with prior art, the present invention is without using lifting blade, and pulping process is not affected by rotating speed, the stirring of high speed rotating
The problem that device solves material and water undercompounding.Meanwhile, secondary filter is used to settle for impurity particle for the first time,
Gap between inner urceolus realizes without net filtration, and second time is little area strainer filtering, the knot of little filter screen employing activity plug
Structure, removes the puzzlement of filter screen maintenance from.Additionally, soil block is only carried out impacting to beat spreading by the present invention, hard particles is not crushed,
Energy consumption is reduced.Particularly using the mode that stirring and deslagging combine, impeller high speed rotating carries out slurrying stirring, by
The centrifugal force brought in the high-speed stirred of impeller can make impurity near inner core inwall, and then inner core drives scum board low speed rotation,
Constantly being collected by hard particles and realize deslagging at slag notch, this brings double effects to stirring and deslagging simultaneously；Slurrying
Volume uses the gap between inner core and outer tube structure inner core and urceolus to realize once filtering, and plays the effect without net filtration；With
Time inner core in this place also act as buffering serosity and precipitation hard particles effect；The filter structure using kink at grout outlet realizes
The effect of secondary filter, reduces the big labour force's maintenance issue in the past brought to workman because of filter net jam；In addition the present invention adopts
By vertical slurrying structure, solve the defect that conventional pulper floor space is bigger.
Accompanying drawing explanation
Fig. 1 is the overall structure figure of the present invention；
Fig. 2 is the A-A direction view of Fig. 1；
Fig. 3 is the partial enlarged drawing at the B of Fig. 1.
In figure: 1, hopper, 2, middle control gear, 3, pivoting support, 4, grout outlet, 5, urceolus, 6, inner core, 7, scrape
Slag plate, 8, impeller, 9, water injection pipe, 10, slag notch, 11, conveying worm, 12, discharging opening, 13, belt pulley,
14, pipeline is cleaned, 15, power transmission shaft, 16, scum hole, 17, drainage screen.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 3, the present invention includes hopper 1, inner core 6, urceolus 5, conveying worm 11 and agitating device,
Hopper 1 is contained in inner core 6 top, leaves gap, institute in inner core 6 is arranged on urceolus 5 and bottom inner core 6 bottom urceolus 5
Inner core 6 outer stated is contained on the outer at urceolus 5 top, between inner core 6 outer wall and urceolus 5 inwall by pivoting support 3
Leave gap, inner core 6 can be made to rotate relative to urceolus 5；Achieve the effect that just can filter without drainage screen；Described stirs
Mixing device and include impeller 8, power transmission shaft 15 and belt pulley 13, impeller 8 is placed on the bottom in urceolus 5, described urceolus 5
Bottom is spill and impeller 8 matched in clearance, and impeller 8 is by power transmission shaft 15 with the belt pulley 13 being arranged on outside urceolus 5 even
Connecing, described power transmission shaft 15 connects seat by axle and is contained in urceolus 5 exterior bottom, is provided with anti-between power transmission shaft 15 and urceolus 5
Watertight seal；The top of urceolus 5 sidewall is provided with grout outlet 4, bottom is provided with slag notch 10, outside conveying worm 11 is arranged on
Cylinder 5 sides and its one end are connected with slag notch 10 pipeline, discharging opening 12 and urceolus 5 end of described conveying worm 11
The vertical dimension in portion is more than the vertical dimension bottom grout outlet 4 and urceolus 5, and the bottom of described inner core 6 inwall is provided with scum board 7,
It is provided with scum hole 16 in the front side of scum board 7 direction of rotation.
Further, also include that water injection pipe 9, water injection pipe 9 are contained in inner core 6 top；It is easy to the further mixing of material.
As a modification of the present invention, outside described grout outlet 4, it is provided with the drainage screen 17 with kink；Increase drainage screen
17 effects playing secondary filter, solve the filtration problem of fine impurities failing under gravity to precipitate.Simultaneously
Drainage screen 17 uses the structure of kink, can directly plug, and this brings great convenience for changing drainage screen 17, it is simple to work
Make the maintenance of personnel.
As the another kind of improvement of the present invention, the spacing between described inner core 6 outer wall and urceolus 5 inwall can be according to actual system
The impurity particle diameter that the raw material used during slurry averagely has carries out the setting of spacing.This plays the effect once filtered and is for pulp
Without net filtration, inner core 6 here also acts as the effect of buffering simultaneously, sets the impurity of spacing owing to cannot be introduced into outside inner core 6
Between wall and urceolus 5 inwall, acted on by gravity and will be sunken to the bottom of pulper, rotarily driven scum board 7 by inner core 6
These impurity are discharged to conveying worm 11, conveying worm 11 discharge pulper.
As a modification of the present invention, described scum board 7 is the shape of involute.This structure deslagging is effective, and
Service life is long.
Further, described impeller 8 uses the structure of internal protrusion, described projection to be S type.This structure passes through high-speed rotary
Turn and can be good at uniformly mixing material and water, get rid of according to effect just adamant block and the bigger soil block of centrifugal force simultaneously
To inner core 6 inwall, wherein adamant block will be discharged by conveying worm 11, and soil block will break with scum board 7 high velocity impact
Broken, mix and blend again.
Further, also include carrying valvular cleaning pipeline 14, described cleaning pipeline 14 to be contained in bottom urceolus 5 and and urceolus
5 internal run-throughs.Cleaning during pulper after slurrying, opening the valve cleaning pipeline 14, it is simple to allowing remnants
Serosity bottom impeller 8 is discharged in the lump, can preferably clean whole pulper, will clean pipeline 14 valve after having cleaned
Close, it is ensured that sealing during slurrying.
When slurrying starts, starting to rotate by driven by motor belt pulley 13, belt pulley 13 drives impeller 8 by power transmission shaft 15
Starting to rotate, after impeller 8 rotates a period of time, the pulping raw material being adjusted ratio is entered by hopper 1 and water injection pipe 9
Enter in inner core 6, start slurrying；Rotated by middle control gear 2 drives pivoting support 3 to rotate simultaneously, and then drives inner core 6
Carry out low speed rotation and carry out deslagging work.In pulping process, along with the rising of liquid level, serosity is between inner core 6 and urceolus 5
Gap be passed up, due to the mean diameter being smaller than impurity between inner core 6 outer wall and urceolus 5 inwall, therefore only
Inclusion particles in this particle size range can enter between inner core 6 and urceolus 5 along with serosity, and by grout outlet pulp,
At grout outlet 4, secondary filter can be carried out by drainage screen 17, reduce the impurity amount of output serosity further；Precipitated
Impurity due to scum board 7 and the effect of scum hole 16, enter conveying worm 11 by slag notch 10, and pass through spiral
Conveyer 11 is discharged.When slurrying just starts, for extend pulper service life because of prevent stir siccative phenomenon, making
Slurry should ensure that when just starting that batcher is restarted after being full of water in bottom, owing to slurrying amount is relatively big, and ratio of water to material error the most now
It is negligible.
Claims (6)
1. the vertical pulper of mining fire extinguishing, it is characterised in that include hopper (1), inner core (6), urceolus (5),
Conveying worm (11) and agitating device, hopper (1) is contained in inner core (6) top, and inner core (6) is arranged on urceolus (5)
Gap is left with urceolus (5) bottom in interior and inner core (6) bottom, and pivoting support (3) is passed through in described inner core (6) outer
It is contained on the outer at urceolus (5) top, between inner core (6) outer wall and urceolus (5) inwall, leaves gap, inner core (6) can be made
Rotate relative to urceolus (5)；Described agitating device includes impeller (8), power transmission shaft (15) and belt pulley (13), impeller
(8) being placed on the bottom in urceolus (5), described urceolus (5) bottom is spill and impeller (8) matched in clearance, ripple
Wheel (8) is connected by the belt pulley (13) that power transmission shaft (15) is outside with being arranged on urceolus (5), described power transmission shaft (15)
Connect seat by axle and be contained in urceolus (5) exterior bottom, between power transmission shaft (15) and urceolus (5), be provided with waterproof seal；
The top of urceolus (5) sidewall is provided with grout outlet (4), bottom is provided with slag notch (10), and conveying worm (11) is arranged on
Urceolus (5) side and its one end are connected with slag notch (10) pipeline, the discharging opening (12) of described conveying worm (11)
With the vertical dimension that the vertical dimension of urceolus (5) bottom is more than grout outlet (4) and urceolus (5) bottom, described inner core (6)
The bottom of inwall is provided with scum board (7), is provided with scum hole (16) in the front side of scum board (7) direction of rotation.
One the most according to claim 1 the is mining vertical pulper of fire extinguishing, it is characterised in that also include water injection pipe
(9), water injection pipe (9) is contained in inner core top.
One the most according to claim 1 the is mining vertical pulper of fire extinguishing, it is characterised in that described grout outlet (4)
Outside is provided with the drainage screen (17) with kink.
One the most according to claim 1 the is mining vertical pulper of fire extinguishing, it is characterised in that described scum board (7)
Shape for involute.
One the most according to claim 1 the is mining vertical pulper of fire extinguishing, it is characterised in that described impeller (8)
Using the structure of internal protrusion, described projection is S type.
One the most according to claim 1 the is mining vertical pulper of fire extinguishing, it is characterised in that also include with sluice
Cleaning pipeline (14), described cleaning pipeline (14) be contained in urceolus (5) bottom and with urceolus (5) internal run-through.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510039890.1A CN104647589B (en) | 2015-01-26 | 2015-01-26 | A kind of vertical pulper of mining fire extinguishing |
| AU2015379791A AU2015379791B2 (en) | 2015-01-26 | 2015-12-28 | Vertical pulping machine for mine fire preventing and fighting |
| PCT/CN2015/099106 WO2016119550A1 (en) | 2015-01-26 | 2015-12-28 | Vertical pulping machine for mine fire preventing and fighting |
| RU2016143563A RU2645050C2 (en) | 2015-01-26 | 2015-12-28 | Vertical machine for receiving suspension for preventing and extinguishing fire for mining industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510039890.1A CN104647589B (en) | 2015-01-26 | 2015-01-26 | A kind of vertical pulper of mining fire extinguishing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104647589A CN104647589A (en) | 2015-05-27 |
| CN104647589B true CN104647589B (en) | 2016-08-24 |
Family
ID=53239471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510039890.1A Expired - Fee Related CN104647589B (en) | 2015-01-26 | 2015-01-26 | A kind of vertical pulper of mining fire extinguishing |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN104647589B (en) |
| AU (1) | AU2015379791B2 (en) |
| RU (1) | RU2645050C2 (en) |
| WO (1) | WO2016119550A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104647589B (en) * | 2015-01-26 | 2016-08-24 | 中国矿业大学 | A kind of vertical pulper of mining fire extinguishing |
| CN106422914B (en) * | 2016-12-08 | 2022-09-30 | 西北大学 | Centrifugal powder particle mixing device |
| CN108236860B (en) * | 2018-03-19 | 2024-01-09 | 江苏开放大学（江苏城市职业学院） | Self-cleaning vertical stirrer |
| CN108582471B (en) * | 2018-04-25 | 2019-08-30 | 安徽昆蒙新型建材有限公司 | Raw material blending device is used in a kind of production of hollow brick |
| CN108927054A (en) * | 2018-06-28 | 2018-12-04 | 芜湖市三山龙城新材料有限公司 | A kind of mixing dispersal device of building coating |
| CN108905797A (en) * | 2018-08-14 | 2018-11-30 | 丹阳嘉贤神州有机稻米标准化发展中心 | A kind of uniformly mixed agitating device |
| CN109454755A (en) * | 2018-11-15 | 2019-03-12 | 六盘水师范学院 | A kind of mining fire extinguishing Horizontal pulping machine |
| CN113601717A (en) * | 2021-08-30 | 2021-11-05 | 河南大有能源股份有限公司常村煤矿 | Multifunctional adjustable pneumatic pulping machine |
| CN114712915A (en) * | 2022-05-16 | 2022-07-08 | 山东科技大学 | Emergency drainage device for coal mining in coal mine |
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|---|---|---|---|---|
| JP2001286745A (en) * | 2000-04-05 | 2001-10-16 | Fuji Photo Film Co Ltd | Method for mixing liquid or solution and device therefor |
| CN103522414A (en) * | 2012-07-02 | 2014-01-22 | 徐州中矿科达机电有限公司 | Vertical grouting fire preventing and extinguishing grout making machine for coal mine |
| CN103786257A (en) * | 2014-03-04 | 2014-05-14 | 李尚国 | Fire preventing and extinguishing vertical slurry manufacturing machine for coal mine |
| CN104139457A (en) * | 2014-08-06 | 2014-11-12 | 李尚国 | Continuous grout making machine used for fire preventing and extinguishing in coal mine |
| CN204450846U (en) * | 2015-01-26 | 2015-07-08 | 中国矿业大学 | The vertical pulper of mining fire extinguishing |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2047487C1 (en) * | 1991-04-09 | 1995-11-10 | Российский научно-исследовательский институт горноспасательного дела | Device for suspension preparing and pumping |
| US7273313B2 (en) * | 2004-06-17 | 2007-09-25 | Halliburton Energy Services, Inc. | Mixing device for mixing bulk and liquid material |
| RU43214U1 (en) * | 2004-07-19 | 2005-01-10 | Российская Федерация в лице ФГУП Российский научно-исследовательский институт горноспасательного дела (ФГУП РосНИИГД) | DEVICE FOR PREPARING SUSPENSIONS |
| CN202412452U (en) * | 2011-12-06 | 2012-09-05 | 郑州一邦电工机械有限公司 | Vertical kneading machine |
| CN104647589B (en) * | 2015-01-26 | 2016-08-24 | 中国矿业大学 | A kind of vertical pulper of mining fire extinguishing |
-
2015
- 2015-01-26 CN CN201510039890.1A patent/CN104647589B/en not_active Expired - Fee Related
- 2015-12-28 RU RU2016143563A patent/RU2645050C2/en not_active IP Right Cessation
- 2015-12-28 AU AU2015379791A patent/AU2015379791B2/en not_active Ceased
- 2015-12-28 WO PCT/CN2015/099106 patent/WO2016119550A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001286745A (en) * | 2000-04-05 | 2001-10-16 | Fuji Photo Film Co Ltd | Method for mixing liquid or solution and device therefor |
| CN103522414A (en) * | 2012-07-02 | 2014-01-22 | 徐州中矿科达机电有限公司 | Vertical grouting fire preventing and extinguishing grout making machine for coal mine |
| CN103786257A (en) * | 2014-03-04 | 2014-05-14 | 李尚国 | Fire preventing and extinguishing vertical slurry manufacturing machine for coal mine |
| CN104139457A (en) * | 2014-08-06 | 2014-11-12 | 李尚国 | Continuous grout making machine used for fire preventing and extinguishing in coal mine |
| CN204450846U (en) * | 2015-01-26 | 2015-07-08 | 中国矿业大学 | The vertical pulper of mining fire extinguishing |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2015379791B2 (en) | 2016-12-22 |
| RU2645050C2 (en) | 2018-02-15 |
| AU2015379791A1 (en) | 2016-12-08 |
| RU2016143563A (en) | 2017-04-05 |
| CN104647589A (en) | 2015-05-27 |
| WO2016119550A1 (en) | 2016-08-04 |
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