CN104772825A - Composite slurry stirring device for mining inorganic curing foam - Google Patents
Composite slurry stirring device for mining inorganic curing foam Download PDFInfo
- Publication number
- CN104772825A CN104772825A CN201510194987.XA CN201510194987A CN104772825A CN 104772825 A CN104772825 A CN 104772825A CN 201510194987 A CN201510194987 A CN 201510194987A CN 104772825 A CN104772825 A CN 104772825A
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- Prior art keywords
- stirring
- stir storehouse
- water inlet
- level
- shaft
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- 238000003756 stirring Methods 0.000 title claims abstract description 178
- 239000002002 slurry Substances 0.000 title claims abstract description 52
- 239000002131 composite material Substances 0.000 title claims abstract description 36
- 239000006260 foam Substances 0.000 title claims abstract description 21
- 238000005065 mining Methods 0.000 title claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000002351 wastewater Substances 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims description 13
- 239000000843 powder Substances 0.000 abstract description 21
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 238000005192 partition Methods 0.000 abstract 3
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 239000003245 coal Substances 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004899 motility Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/38—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions wherein the mixing is effected both by the action of a fluid and by directly-acting driven mechanical means, e.g. stirring means ; Producing cellular concrete
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/12—Supplying or proportioning liquid ingredients
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The invention discloses a composite slurry stirring device for mineral inorganic curing foam, which comprises a closed stirring bin, wherein the closed stirring bin is divided into a primary stirring bin and a secondary stirring bin by a partition plate, the upper part of the partition plate is provided with a mesh plate, a stirring shaft penetrates through the mesh plate on the upper part of the partition plate, one side of the stirring shaft, which is positioned on the primary stirring bin, is provided with a primary stirring fin, one side of the stirring shaft, which is positioned on the secondary stirring bin, is provided with a secondary stirring fin, and the stirring shaft is connected with; a feed inlet and a primary stirring bin observation window are arranged at the top of the primary stirring bin, a first water inlet is formed in the upper part of the primary stirring bin, and a wastewater outlet is formed in the lower part of the primary stirring bin; second grade stirring storehouse top is equipped with second grade stirring storehouse observation window, and second grade stirring storehouse upper portion is equipped with water inlet two, and second grade stirring storehouse lower part is equipped with inclined bottom plate and discharge gate. The invention has compact structure, can realize the quantitative addition of solid powder and water, realizes two-stage and differential stirring of the viscous composite slurry in the stirring process, and the prepared composite slurry has good uniformity.
Description
Technical field
The present invention relates to a kind of composite slurry agitating device, be specially a kind of composite slurry agitating device of mining inorganic solidified foam.
Background technology
Spontaneous combustionof coal is that China's coal-mine is kept the safety in production one of main disaster of facing, and the safety of underground work personnel and the normal back production of working face in serious threat, cause great economic loss.Inorganic solidified foam is as a kind of loss circulation material, and because of it, to have coefficient of foaming high, and compression strength is large, and the advantage high temperature resistant, heat-proof quality is good, will become the new direction of Leaking Stoppage in Coal Mine Materials.The composite slurry of inorganic solidified foam is with cement, flyash for base material, and add the additives such as inorganic gel agent, coagulant simultaneously and mix together with water, composite slurry denseness is large, viscosity strong, and in filling process, need the ratio of control powder and water.For this reason, while quantitatively adding powder and water, carrying out fully stirring to the composite slurry of inorganic solidified foam is an important research contents.
At present, the patent about powder body material agitating devices such as cement has a lot, as:
Chinese patent " Weighing concrete stirrer " (application number: CN01230373.9 disclosed in 5,1.2003 on March, open: CN2539144), using the elevating hopper of mixer as measuring container, drag the steel wire rope of elevating hopper, carry out of the LOAD CELLS on proportion of utilization lever to the material such as sand, cement is weighed; This apparatus structure is complicated, and institute takes up space large, and this device is not suitable for underground coal mine small space; This device utilizes sensor to weigh simultaneously, poor stability, cannot ensure continuous charging and stirring, and this device can not realize stirring continuously and exporting, and inefficiency, cannot meet down-hole and construct continuously, for a long time.
Chinese patent disclosed in 1,2.2009 on July " a kind of cement mixer " (application number: CN200820027451.4, open: CN201264301), be made up of two vertical mixing stavings, shaft is respectively equipped with in two buckets, the belt pulley of different-diameter is housed respectively, two belt pulleys are connected with motor, a driven by motor two shafts are utilized to stir to realize differential, strong to slurry breaking capacity, the uniformity preparing slurry is good, but it is only applicable to grout processing, and cannot realize the quantitative interpolation to powder and water; Simultaneously it utilizes belt transmission, and under the height dust atmosphere of down-hole, operation easily occurs skidding on-the-spot, is not adapted at environmental work under Holes of Complicated Wells.
Summary of the invention
Goal of the invention: for above-mentioned prior art Problems existing, the object of this invention is to provide a kind of composite slurry agitating device of mining inorganic solidified foam, its compact conformation, the application of Leaking Stoppage in Coal Mine scene can be met, the quantitative interpolation of solid powder and water can be realized, at whipping process, two-stage is realized to thickness composite slurry, differential stirs, strong to agglomerating powder breaking capacity gluing in viscous slurry, prepare gained composite slurry uniformity good, be conducive to mixing of slurry later stage and water base foam.
To achieve these goals, present invention employs following technical scheme: a kind of composite slurry agitating device of mining inorganic solidified foam, comprise Hermetical stirring storehouse, Hermetical stirring storehouse is divided into one-level stir storehouse and secondary stir storehouse by dividing plate, dividing plate top is mesh plate, and shaft is through dividing plate upper wire orifice plate, and shaft is positioned at one-level stir storehouse side and is provided with one-level stirring wing, shaft is positioned at secondary stir storehouse side and is provided with secondary stirring wing, and shaft connects shaft drive motor means; One-level stir storehouse top is provided with charging aperture and one-level stir storehouse observation window, and one-level stir storehouse top is provided with water inlet one, and one-level stir storehouse bottom is provided with wastewater outlet; Secondary stir storehouse top is provided with secondary stir storehouse observation window, and secondary stir storehouse top is provided with water inlet two, and secondary stir storehouse bottom is provided with inclined floor and discharging opening.
In the present invention, preferably, described wastewater outlet is provided with valve one, and discharging opening is provided with butterfly valve, wastewater outlet and discharging opening downward from the horizontal by 10 ~ 15 ° of angles.
In the present invention, preferably, the hand of spiral of described one-level stirring wing and secondary stirring wing is contrary, and the radius of gyration of one-level stirring wing is greater than the secondary stirring wing radius of gyration.
In the present invention, preferably, described charging aperture connects star-like fixed quantity feeder, and star-like fixed quantity feeder top is provided with feeding chamber, and feeding chamber Hatch Opening is provided with support bar.
In the present invention, preferably, water inlet one connects water inlet pipe one, and water inlet two connects water inlet pipe two, and water inlet pipe one is all connected quantitative inlet pipeline with water inlet pipe two, and water inlet pipe two is provided with valve two, and quantitative inlet pipeline is provided with valve three and flowmeter.
In the present invention, preferably, described shaft drive motor means comprises the drive motors being arranged on secondary stir storehouse top, and drive motors output shaft is provided with sprocket wheel one, and sprocket wheel one is connected with the sprocket wheel two on shaft by driving-chain.
Beneficial effect: compared with prior art, structure of the present invention simply, is tightly urged, and is applicable to down-hole operation in narrow space, be applicable to the stirring of cured foam loss circulation material thickness composite slurry, and easy to use, save manpower, the quantitative interpolation to original powder and water can be realized; Utilize the stirring wing that two vary in size, the hand of spiral is contrary can carry out two-stage stirring to thickness composite slurry, realize differential to stir simultaneously, powder is made to be easy to dispersion, fully can destroy cohesion, the cluster energy of powder, cured foam viscous slurry can be stirred, can realize stirring continuously and exporting, meet the requirement of colliery scene crack leak stopping.
Accompanying drawing explanation
Fig. 1 is the composite slurry agitating device structural representation of the mining inorganic solidified foam of the present invention.
Fig. 2 is quantitative inlet pipeline schematic diagram.
In figure: 1, Hermetical stirring storehouse; 2, wastewater outlet; 3, valve one; 4, quantitative watering pipeline; 5, charging aperture; 6, star-like fixed quantity feeder; 7, left shaft holder; 8, feeding chamber; 9, support bar; 10, frequency modulation motor; 11, one-level stir storehouse; 12, one-level stir storehouse observation window; 13, water inlet one; 14, water inlet two; 15, one-level stirring wing; 16, dividing plate; 17, shaft; 18, inclined floor; 19, secondary stir storehouse; 20, secondary stir storehouse observation window; 21, secondary stirring wing; 22, right bearing seat; 23, sprocket wheel two; 24, drive motors; 25, sprocket wheel one; 26, driving-chain; 27, butterfly valve; 28, discharging opening; 29, valve three; 30, flowmeter; 31, valve two; 32, water inlet pipe one; 33, water inlet pipe two.
Detailed description of the invention:
Below in conjunction with accompanying drawing the present invention done and further explain.
As shown in Figure 1, the composite slurry agitating device of mining inorganic solidified foam of the present invention comprises Hermetical stirring storehouse 1, dividing plate 16 vertical welding is fixing with in Hermetical stirring storehouse 1, by dividing plate 16, Hermetical stirring storehouse 1 is divided into one-level stir storehouse 11 and secondary stir storehouse 19, dividing plate 16 top is mesh plate.The composite slurry stirred in one-level stir storehouse 11 enters secondary stir storehouse 19 by dividing plate 16 upper wire orifice plate, and the gluing group of the powder do not stirred is stopped, continues to stir at one-level stir storehouse 19; Dividing plate 16 bottom effectively can stop that in one-level stir storehouse 11, moisture is to the loss of secondary stir storehouse 19.
Shaft 17 is through dividing plate 16 upper wire orifice plate, shaft 17 two ends are separately fixed in one-level stir storehouse 11 and secondary stir storehouse 19 by left shaft holder 7 and right bearing seat 22, shaft 17 is positioned at one-level stir storehouse 11 side and is provided with one-level stirring wing 15, and shaft 17 is positioned at secondary stir storehouse 19 side and is provided with secondary stirring wing 21.The hand of spiral of one-level stirring wing 15 and secondary stirring wing 21 is contrary, and the radius of gyration of one-level stirring wing 15 is greater than secondary stirring wing 21 radius of gyration.Although two coaxial, same angular speed of stirring wing, because size difference causes one-level stirring wing 15 different with the stirring linear velocity of secondary stirring wing 21, can realize stirring the differential of composite slurry; Meanwhile, the composite slurry of two-stage stir storehouse end can stir and push to dividing plate 16 place by two stirring wings, and on the one hand, slurry can collide with dividing plate 16, and on the other hand, in two-stage stir storehouse, slurry also can collide with each other; Two-stage, differential stir the effective collision number of times between increase slurry particles and mutually extrude, and between particle, mutual motility strengthens, and are easy to dispersion, fully destroy the cohesion of powder, cluster energy; Because secondary stirring wing 21 size is little compared with the size of one-level stirring wing 15, so the stirring thrust of secondary stirring wing 21 pairs of slurries is less, in one-level stir storehouse 11, composite slurry can enter secondary stir storehouse 19 by the mesh of dividing plate 19 the first half smoothly.Shaft 17 connects shaft drive motor means, drives shaft 17 to rotate by shaft drive motor means, drives one-level stirring wing 15 and secondary stirring wing 21 to work.Shaft drive motor means comprises the drive motors 24 being arranged on secondary stir storehouse 19 top, and drive motors 24 output shaft is provided with sprocket wheel 1, and sprocket wheel 1 is connected with the sprocket wheel 2 23 on shaft 17 by driving-chain 26.The transmission slip problem that shaft drive motor means can effectively avoid underground coal mine long-term work to cause.
One-level stir storehouse 11 top is provided with charging aperture 5 and transparent one-level stir storehouse observation window 12, and one-level stir storehouse 11 top is provided with water inlet 1, and one-level stir storehouse 11 bottom is provided with wastewater outlet 2; Secondary stir storehouse 19 top is provided with transparent secondary stir storehouse observation window 20, and secondary stir storehouse 19 top is provided with water inlet 2 14, and secondary stir storehouse 19 bottom is provided with discharging opening 28, is provided with inclined floor 18 bottom secondary stir storehouse 19.Wastewater outlet 2 is provided with valve 1, and discharging opening 28 is provided with butterfly valve 27, wastewater outlet 2 and discharging opening 28 downward from the horizontal by 10 ~ 15 ° of angles.Charging aperture 5 connects star-like fixed quantity feeder 6, and star-like fixed quantity feeder 6 top is provided with feeding chamber 8, and feeding chamber 8 Hatch Opening is provided with support bar 9, be used for placing powder lot in bags, alleviate the pressure of workmen, star-like fixed quantity feeder 6 is driven by frequency modulation motor 10, realizes the quantitative interpolation of powder.As shown in Figure 2, water inlet 1 connects water inlet pipe 1, and water inlet 2 14 connects water inlet pipe 2 33, and water inlet pipe 1 and water inlet pipe 2 33 are all connected quantitative inlet pipeline 4, water inlet pipe 2 33 is provided with valve 2 31, and quantitative inlet pipeline 4 is provided with valve 3 29 and flowmeter 30.During water inlet, valve-off 2 31, control valve 29 changes the discharge by flowmeter 30, is realized the quantitative interpolation of water by control flooding time and flow of inlet water; During mixer work, after composite slurry enters secondary stir storehouse 19 by dividing plate 19 dividing plate 16 upper wire orifice plate in one-level stir storehouse 11, discharging opening 28 can be flow to smoothly along swash plate 18 under gravity; After mixer quits work, open valve 3 29 and valve 2 31 to water filling in one-level stir storehouse 11 and secondary stir storehouse 19, clean stir storehouse, waste water flows out from wastewater outlet 2 and discharging opening 28 respectively.
The composite slurry agitating device course of work of the present invention is mining inorganic solidified foam is as follows: valve-off 1, valve 2 31 and butterfly valve 27, open valve 3 29, add water to one-level stir storehouse, the registration of reading flow gauge 30, record adds water the time simultaneously, inject valve-off 3 29 after the water of certain amount to one-level stir storehouse 11, calculate amount of water, the ratio of foundation water and powder calculates the amount of required powder, opens frequency modulation motor 10 and drives star-like fixed quantity feeder 6 to operate, powder lot in bags is placed in support bar 9 top and feeds in raw material, realized the quantitative interpolation of powder by frequency modulation motor 10, open drive motors 24, band movable sprocket 1 rotates, sprocket wheel 1 is with movable sprocket 2 23 by driving-chain 26, power is passed to shaft 17 by left shaft holder 7 and right bearing seat 22 by sprocket wheel 2 23, shaft 17 is made to start to rotate, shaft 17 drives one-level stirring wing 15 and secondary stirring wing 21 to rotate thereupon, adopt two to vary in size, the stirring wing 15 and 21 that the hand of spiral is contrary, although two stirring wings are coaxial, same angular speed, but because size difference causes stirring wing linear velocity different, can realize stirring the differential of composite slurry, the composite slurry of two-stage stir storehouse end can stir by two stirring wings, central dividing plate 16 place is delivered in propelling movement, on the one hand, slurry can collide with dividing plate 16, on the other hand, in two-stage stir storehouse, slurry also can collide mutually, two-stage, differential stir the effective collision number of times between increase slurry particles and mutually extrude, and between particle, mutual motility strengthens, and are easy to dispersion, destroy the cohesion of powder, cluster energy, obtain even composite slurry through one-level stirring wing 15 stirring and enter secondary stir storehouse 19 through dividing plate 16 upper wire orifice plate, secondary stirring wing 21 stirs again to it, and the agglomerating powder not being stirred dispersion in one-level stir storehouse 11 can stay one-level stir storehouse 11 continuation stirring until dispersed with stirring is even due to barrier effect, meanwhile, dividing plate 16 substructure effectively can stop that the moisture in one-level stir storehouse 11 runs off to secondary stir storehouse 19, because the size of secondary stirring wing 21 is little compared with one-level stirring wing 15, so the stirring thrust of secondary stirring wing 21 pairs of slurries is less, in one-level stir storehouse 11, composite slurry can enter secondary stir storehouse 19 by dividing plate 16 upper wire orifice plate smoothly, add the effect of secondary stir storehouse 19 bottom angled base plate 18, the slurry stirred can flow to discharging opening 28 along swash plate 18 under gravity smoothly, observed the stirring state of composite slurry in secondary stir storehouse 19 by secondary stir storehouse observation window 20, after stirring, open butterfly valve 27 outwards carry slurry, observed the clout situation of composite slurry in one-level stir storehouse 11 by one-level stir storehouse observation window 12, quantitatively add powder and water in time when slurry is not enough, to realize stirring continuously and conveying, after completing stirring work, close frequency modulation motor 10, open valve 3 29 and valve 2 31, respectively to water filling cleaning warehouse in one-level stir storehouse 11 and secondary stir storehouse 19, open valve 1 after cleaning up and waste water discharged by butterfly valve 27, finally stop drive motors 24.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. the composite slurry agitating device of a mining inorganic solidified foam, it is characterized in that: comprise Hermetical stirring storehouse (1), Hermetical stirring storehouse (1) is divided into one-level stir storehouse (11) and secondary stir storehouse (19) by dividing plate (16), dividing plate (16) top is mesh plate, shaft (17) is through dividing plate (16) upper wire orifice plate, shaft (17) is positioned at one-level stir storehouse (11) side and is provided with one-level stirring wing (15), shaft (17) is positioned at secondary stir storehouse (19) side and is provided with secondary stirring wing (21), shaft (17) connects shaft drive motor means, one-level stir storehouse (11) top is provided with charging aperture (5) and one-level stir storehouse observation window (12), one-level stir storehouse (11) top is provided with water inlet one (13), and one-level stir storehouse (11) bottom is provided with wastewater outlet (2), secondary stir storehouse (19) top is provided with secondary stir storehouse observation window (20), secondary stir storehouse (19) top is provided with water inlet two (14), and secondary stir storehouse (19) bottom is provided with inclined floor (18) and discharging opening (28).
2. the composite slurry agitating device of a kind of mining inorganic solidified foam according to claim 1, it is characterized in that: described wastewater outlet (2) is provided with valve one (3), discharging opening (28) is provided with butterfly valve (27), wastewater outlet (2) and discharging opening (28) downward from the horizontal by 10 ~ 15 ° of angles.
3. the composite slurry agitating device of a kind of mining inorganic solidified foam according to claim 1, it is characterized in that: the hand of spiral of described one-level stirring wing (15) and secondary stirring wing (21) is contrary, and the radius of gyration of one-level stirring wing (15) is greater than secondary stirring wing (21) radius of gyration.
4. the composite slurry agitating device of a kind of mining inorganic solidified foam according to claim 1, it is characterized in that: described charging aperture (5) connects star-like fixed quantity feeder (6), star-like fixed quantity feeder (6) top is provided with feeding chamber (8), and feeding chamber (8) Hatch Opening is provided with support bar (9).
5. the composite slurry agitating device of a kind of mining inorganic solidified foam according to claim 1, it is characterized in that: water inlet one (13) connects water inlet pipe one (32), water inlet two (14) connects water inlet pipe two (33), water inlet pipe one (32) is all connected quantitative inlet pipeline (4) with water inlet pipe two (33), water inlet pipe two (33) is provided with valve two (31), and quantitative inlet pipeline (4) is provided with valve three (29) and flowmeter (30).
6. the composite slurry agitating device of a kind of mining inorganic solidified foam according to claim 1, it is characterized in that: described shaft drive motor means comprises the drive motors (24) being arranged on secondary stir storehouse (19) top, drive motors (24) output shaft is provided with sprocket wheel one (25), and sprocket wheel one (25) is connected with the sprocket wheel two (23) on shaft (17) by driving-chain (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194987.XA CN104772825B (en) | 2015-04-22 | 2015-04-22 | Composite slurry stirring device for mining inorganic curing foam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194987.XA CN104772825B (en) | 2015-04-22 | 2015-04-22 | Composite slurry stirring device for mining inorganic curing foam |
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| Publication Number | Publication Date |
|---|---|
| CN104772825A true CN104772825A (en) | 2015-07-15 |
| CN104772825B CN104772825B (en) | 2017-08-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108115839A (en) * | 2017-12-18 | 2018-06-05 | 董爱民 | A kind of road pit-hole, which is filled up, uses concrete-processing |
| CN108636268A (en) * | 2018-04-18 | 2018-10-12 | 徐州吉安矿业科技有限公司 | A kind of mining multifunctional continuous slurrying device and method |
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| CN204546770U (en) * | 2015-04-22 | 2015-08-12 | 中国矿业大学 | Composite slurry stirring device for mining inorganic curing foam |
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