CN104669437A - Dust raising prevention cemented tailing filling mixer - Google Patents

Dust raising prevention cemented tailing filling mixer Download PDF

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Publication number
CN104669437A
CN104669437A CN201510113400.8A CN201510113400A CN104669437A CN 104669437 A CN104669437 A CN 104669437A CN 201510113400 A CN201510113400 A CN 201510113400A CN 104669437 A CN104669437 A CN 104669437A
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CN
China
Prior art keywords
tailing
base plate
cement
feed hopper
tailing slurry
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Granted
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CN201510113400.8A
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Chinese (zh)
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CN104669437B (en
Inventor
郑伯坤
李向东
盛佳
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Changsha Institute of Mining Research Co Ltd
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Changsha Institute of Mining Research Co Ltd
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/10Mixing in containers not actuated to effect the mixing
    • B28C5/12Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
    • B28C5/16Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/0806Details; Accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling 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
    • B28C7/04Supplying or proportioning the ingredients

Abstract

The invention discloses a dust raising prevention cemented tailing filling mixer which comprises a mixing tank, a tailing paste feed hopper and a cement feeding pipe, wherein the mixing tank consists of a mixing barrel, a mixing shaft, mixing blades and a speed reduction motor; a fixed frame is arranged at the top of the mixing barrel; the speed reduction motor is fixed in middle of the fixed frame, is connected with the mixing shaft, and drives the mixing shaft to rotate; the mixing blades are connected to the mixing shaft; the tailing paste feed hopper is connected with the top of the mixing barrel, and is fixed above the mixing barrel through the fixed frame; a plurality of tailing paste discharging holes are formed in a bottom plate of the tailing paste feed hopper; a sealing steel plate is arranged at the periphery of a cement feed opening, and forms sealed connection with the bottom plate of the tailing paste feed hopper and the sidewall of the mixing barrel, or only forms sealed connection with the bottom plate of the tailing paste feed hopper; the cement feed opening is formed in the bottom plate of the tailing paste feed hopper; the cement feed pipe penetrates through the cement feed opening, and is communicated with the mixing tank. The dust raising prevention cemented tailing filling mixer is simple in structure and low in production cost, and has good dustproof effects.

Description

A kind of anti-airborne dust tailing cemented filling mixer
Technical field
The present invention relates to a kind of tailing cemented filling mixer, especially relate to anti-airborne dust tailing cemented filling mixer.
Background technology
Tailing cemented filling technology is used widely in metal exploitation.Classical tailing cemented filling technique, reaches higher concentration after tailing slurry is concentrated, and by Cemented filling to mixer, cement enters mixer by feeding device simultaneously, continuous production discharging.But because the preparative capacibility of mixer is comparatively large, need the addition of cement also corresponding comparatively large, mixer need offer multiple charging hole or peep hole, in tailing cemented filling process, cannot avoid cement airborne dust.Along with the raising of environmental requirement and the fast development of mining with stowing law technology, conventional art adopts and connects dedust air duct at mixer top cover, the method of dedusting is carried out again by equipment such as bag style dust collectors, this process equipment facility volume is larger, site layout project takes up room greatly, the cost of investment of installations and facilities is high, and plant maintenance simultaneously regularly need change consumable accessories.
CN 101774225 A discloses a kind of all-tailing cemented filling material stirring machine, this mixer comprise with slurry inlet and slurry outlet casing and be positioned at the rabbling mechanism of chassis cavity, wherein said rabbling mechanism forms by shaft with the stirring bridge for stirring slip, described shaft is connected with the high-speed electric expreess locomotive outside casing, described stirring bridge is fixed on shaft, drives High Rotation Speed by shaft.This invention does not design specific for preventing the structure of cement airborne dust, cannot solve the problem of cement airborne dust when tailing cemented filling material stirs.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, and provide a kind of structure simple, cost is low, effectively reduces the anti-airborne dust tailing cemented filling mixer of cement airborne dust.
The technical solution adopted for the present invention to solve the technical problems is: a kind of anti-airborne dust tailing cemented filling mixer, comprises agitator, tailing slurry feed hopper and cement feed pipe; Described agitator is by stirring cylindrical shell, shaft, and stirrer paddle and decelerator form; The top of stirring cylindrical shell is provided with fixed mount; Described decelerator is fixed on middle part in the middle part of fixed mount, is connected and drives shaft to rotate with shaft; Described shaft is connected with stirrer paddle; Described tailing slurry feed hopper is connected with stirring cylindrical shell top, and is fixed on above stirring cylindrical shell by fixed mount; Described tailing slurry feed hopper base plate offers several tailing slurry blanking holes; Described cement charging aperture periphery is provided with sealing steel plate, described sealing steel plate and tailing slurry feed hopper base plate and mixing drum body sidewall or be only tightly connected with tailing slurry feed hopper base plate; Cement charging aperture is provided with in described tailing slurry feed hopper base plate; Described cement feed pipe passes cement charging aperture and is communicated with agitator.
Further, the top of described tailing slurry feed hopper is uncovered, is made up of base plate, interior plate and outer panel; Described base plate is connected with the bottom of interior plate and outer panel, and described interior plate is vertical with base plate, and described outer panel and base plate are that 120 ° ~ 165 ° angles weld together.
Further, described base plate takes the shape of the letter U, square or circular, and described tailing slurry blanking hole correspondingly takes the shape of the letter U, square or circular distribution is on base plate.
Further, tailing slurry blanking hole on described U-shaped or square floor is made up of 2 ~ 6 the long narrow cylindrical voids be opened in base plate all directions, the width of described long narrow cylindrical void is 3 ~ 10mm, the little 10 ~ 50mm of length of length side more each than base plate, the adjacent alternate 5 ~ 30mm of tailing slurry blanking hole.
Further, the tailing slurry blanking hole in described circular bottom plate comprises the circular narrower bore of 3 ~ 6 concentrics, and the width of described circular narrower bore is 3 ~ 10mm.
Further, described tailing slurry feed hopper is high is 0.5 ~ 1.0m, and baseplate width is 0.05m ~ 0.15m.
Further, described cement feed pipe is that 60 ~ 80 ° of angles are mounted obliquely within above cement charging aperture.
Further, the caliber of described cement feed pipe is φ 150mm ~ φ 400mm.
Further, the lower end of described stirring cylindrical shell is provided with baiting valve.
The operation principle of a kind of anti-airborne dust tailing cemented filling mixer of the present invention and using method: the last mortar in sand storehouse by Cemented filling to tailing slurry feed hopper, enter in agitator by the tailing slurry blanking hole on base plate, because feed rate is larger, on base plate, tailing slurry blanking hole is long narrow cylindrical void or circular narrower bore, thus slip forms cascade when entering agitator through tailing slurry blanking hole, and the tailing slurry blanking hole on U-shaped base plate is made up of 2 ~ 6 long narrow cylindrical voids be opened in base plate all directions; Seal steel plate and tailing slurry feed hopper U-shaped base plate and mixing drum body sidewall to be tightly connected; Therefore U-shaped distribution tailing slurry blanking hole below cascade and agitator edge jointly form a closed area; Or the tailing slurry blanking hole on square floor is made up of 2 ~ 6 long narrow cylindrical voids be opened in base plate all directions; Tailing slurry blanking hole in circular bottom plate comprises 3 ~ 6 concentric circular narrower bore; Seal steel plate and tailing slurry feed hopper square floor or circular bottom plate to be tightly connected; Therefore the cascade below the tailing slurry blanking hole of square or circular distribution can form a square or circular closed area, make cement charging aperture be positioned at the closed area being formed by cascade and agitator edge, sealing steel plate or be made up of cascade and sealing steel plate, and then by cascade, the cement that cement charging aperture flows out is hedged off from the outer world.In addition, because tailing slurry feed hopper baseplate width is less, can guarantee that tailing slurry blanking hole place forms cascade that is stable, continous way, it also avoid stir material level on the low side time, cascade bottom water flow is disorderly; The quantity of tailing slurry blanking hole is multiple, forms the cascade of many levels around cement charging aperture, increases cascade enters the dust that agitator endogenous movement, collision etc. are flown upward absorption to cement, reduces the probability of cement airborne dust; Cement feed pipe is inclined and mounted on above cement charging aperture with 60 ~ 80 ° of angles, after making cement enter agitator from cement charging aperture, deflection agitator center enters, and the cascade below energy Rapid contact tailing slurry blanking hole, further reduce the possibility of cement airborne dust.Decelerator drives shaft to rotate, and then makes tailings and cement rotate through stirrer paddle in agitator and mix, and the tailing cemented filling material slurry mixed is delivered to appointed place through baiting valve.
The beneficial effect of a kind of anti-airborne dust tailing cemented filling mixer of the present invention: by adopting U-shaped, square or circular tailing slurry feed hopper, its base plate takes the shape of the letter U, square or circle offers tailing slurry blanking hole, and with sealing steel plate connecting bottom board and cement charging aperture, thus the closed area be made up of cascade, sealing steel plate and agitator sidewall, make the cement of cement charging aperture energy Rapid contact cascade when flowing out, adsorb its dust produced by cascade, and then solve a difficult problem for cement airborne dust in tailing cemented filling preparation process; Its structure is simple, and cost of manufacture is low, long service life.
Accompanying drawing explanation
Fig. 1-be a kind of in embodiment 1 front view of anti-airborne dust tailing cemented filling mixer;
Fig. 2-be a kind of in embodiment 1 top view of anti-airborne dust tailing cemented filling mixer;
Fig. 3-be a kind of in embodiment 2 front view of anti-airborne dust tailing cemented filling mixer;
Fig. 4-be the schematic diagram of tailing slurry feed hopper in embodiment 2, sealing steel plate and cement charging aperture;
Fig. 5-be the schematic diagram of tailing slurry feed hopper in embodiment 3, sealing steel plate and cement charging aperture.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
embodiment 1
With reference to Fig. 1 and 2, the one anti-airborne dust tailing cemented filling mixer of the present embodiment, comprises agitator, tailing slurry feed hopper 7 and cement feed pipe 9; Described agitator is by stirring cylindrical shell 2, shaft 4, and stirrer paddle 3 and decelerator 6 form; The top of stirring cylindrical shell 2 is provided with fixed mount 5; Described decelerator 6 is fixed on middle part in the middle part of fixed mount 5, is connected and drives shaft 4 to rotate with shaft 4; Described shaft 4 is connected with stirrer paddle 3; Described tailing slurry feed hopper 7 is connected with stirring cylindrical shell 2 top, and is fixed on above stirring cylindrical shell 2 by fixed mount 5; The base plate 7-2 of described tailing slurry feed hopper 7 offers 11 tailing slurry blanking holes 10; Described cement charging aperture 8 periphery is provided with sealing steel plate 11, and described sealing steel plate 11 is with tailing slurry feed hopper 7 base plate 7-2 and stir cylindrical shell 2 sidewall or be only tightly connected with tailing slurry feed hopper 7 base plate 7-2; Cement charging aperture 8 is provided with in described tailing slurry feed hopper 7 base plate 7-2; Described cement feed pipe 9 passes cement charging aperture 8 and is communicated with agitator.
The top of described tailing slurry feed hopper 7 is uncovered, is made up of base plate 7-2, interior plate 7-3 and outer panel 7-1; Described base plate 7-2 is connected with the bottom of interior plate 7-3 and outer panel 7-1, and described interior plate 7-3 is vertical with base plate 7-2, and described outer panel 7-1 and base plate 7-2 is that 165 ° of angles weld together.
Described base plate 7-2 takes the shape of the letter U, described tailing slurry blanking hole 10 takes the shape of the letter U and is distributed on base plate 7-2, be made up of the long narrow cylindrical void of 3 the long narrow cylindrical voids be opened on base plate 7-2 front, rear and 5, left, the width of described long narrow cylindrical void is 5mm, the little 10mm of length of length side more each than base plate 7-2, the adjacent alternate 15mm of tailing slurry blanking hole 10.
Described tailing slurry feed hopper 7 height is 0.8m, and base plate 7-2 width is 0. 10m.
Described cement feed pipe 9 is mounted obliquely within above cement charging aperture 8 in 80 ° of angles.
The caliber of described cement feed pipe 9 is φ 400mm.
The lower end of described stirring cylindrical shell 2 is provided with baiting valve 1.
The operation principle of a kind of anti-airborne dust tailing cemented filling mixer of the present embodiment and using method: the last mortar in sand storehouse by Cemented filling to tailing slurry feed hopper 7, enter in agitator by the tailing slurry blanking hole 10 on base plate 7-2, because feed rate is larger, on base plate 7-2, tailing slurry blanking hole 10 is long narrow cylindrical void or circular narrower bore, thus slip forms cascade when entering agitator through tailing slurry blanking hole 10, and the tailing slurry blanking hole 10 on U-shaped base plate 7-2 is made up of 2 ~ 6 long narrow cylindrical voids be opened in base plate 7-2 all directions; The U-shaped base plate 7-2 of sealing steel plate 11 and tailing slurry feed hopper 7 and stir cylindrical shell 2 sidewall and be tightly connected; Therefore U-shaped distribution tailing slurry blanking hole 10 below cascade and agitator edge jointly form a closed area; Make cement charging aperture 8 be positioned at the closed area being formed by cascade and agitator edge, sealing steel plate 11 or be made up of cascade and sealing steel plate 11, and then by cascade, the cement that cement charging aperture 8 flows out is hedged off from the outer world.In addition, because the base plate 7-2 width of tailing slurry feed hopper 7 is less, can guarantee that tailing slurry blanking hole 10 place forms cascade that is stable, continous way, it also avoid stir material level on the low side time, cascade bottom water flow is disorderly; The quantity of tailing slurry blanking hole 10 is multiple, forms the cascade of many levels, increase cascade enters the dust that agitator endogenous movement, collision etc. are flown upward absorption to cement around cement charging aperture 8, reduces the probability of cement airborne dust; Cement feed pipe 9 is inclined and mounted on above cement charging aperture 8 with 60 ~ 80 ° of angles, after making cement enter agitator from cement charging aperture 8, deflection agitator center enters, and the cascade below energy Rapid contact tailing slurry blanking hole 10, further reduce the possibility of cement airborne dust.
embodiment 2
With reference to Fig. 3 and 4, the one anti-airborne dust tailing cemented filling mixer of the present embodiment, comprises agitator, tailing slurry feed hopper 7 and cement feed pipe 9; Described agitator is by stirring cylindrical shell 2, shaft 4, and stirrer paddle 3 and decelerator 6 form; The top of stirring cylindrical shell 2 is provided with fixed mount 5; Described decelerator 6 is fixed on middle part in the middle part of fixed mount 5, is connected and drives shaft 4 to rotate with shaft 4; Described shaft 4 is connected with stirrer paddle 3; Described tailing slurry feed hopper 7 is connected with stirring cylindrical shell 2 top, and is fixed on above stirring cylindrical shell 2 by fixed mount 5; The base plate 7-2 of described tailing slurry feed hopper 7 offers 14 tailing slurry blanking holes 10; Described cement charging aperture 8 periphery is provided with sealing steel plate 11, and described sealing steel plate 11 is with tailing slurry feed hopper 7 base plate 7-2 and stir cylindrical shell 2 sidewall or be only tightly connected with tailing slurry feed hopper 7 base plate 7-2; Cement charging aperture 8 is provided with in described tailing slurry feed hopper 7 base plate 7-2; Described cement feed pipe 9 passes cement charging aperture 8 and is communicated with agitator.
The top of described tailing slurry feed hopper 7 is uncovered, is made up of base plate 7-2, interior plate 7-3 and outer panel 7-1; Described base plate 7-2 is connected with the bottom of interior plate 7-3 and outer panel 7-1, and described interior plate 7-3 is vertical with base plate 7-2, and described outer panel 7-1 and base plate 7-2 is that 135 ° of angles weld together.
With reference to Fig. 4, described base plate 7-2 is square, and described tailing slurry blanking hole 10 is square and is distributed on base plate 7-2; Tailing slurry blanking hole 10 on described square floor 7-2 by 3 that are opened on base plate 7-2 front and rear, 4 long narrow cylindrical voids on left and right form, the width of described long narrow cylindrical void is 10mm, the little 50mm of length of length side more each than base plate 7-2, the adjacent alternate 30mm of tailing slurry blanking hole 10.
Described tailing slurry feed hopper 7 height is 1.0m, and base plate 7-2 width is 0.15m.
Described cement feed pipe 9 is mounted obliquely within above cement charging aperture 8 in 60 ° of angles.
The caliber of described cement feed pipe 9 is φ 200mm.
The lower end of described stirring cylindrical shell 2 is provided with baiting valve 1.
embodiment 3
With reference to Fig. 3 and 5, the one anti-airborne dust tailing cemented filling mixer of the present embodiment, comprises agitator, tailing slurry feed hopper 7 and cement feed pipe 9; Described agitator is by stirring cylindrical shell 2, shaft 4, and stirrer paddle 3 and decelerator 6 form; The top of stirring cylindrical shell 2 is provided with fixed mount 5; Described decelerator 6 is fixed on middle part in the middle part of fixed mount 5, is connected and drives shaft 4 to rotate with shaft 4; Described shaft 4 is connected with stirrer paddle 3; Described tailing slurry feed hopper 7 is connected with stirring cylindrical shell 2 top, and is fixed on above stirring cylindrical shell 2 by fixed mount 5; The base plate 7-2 of described tailing slurry feed hopper 7 offers 4 tailing slurry blanking holes 10; Described cement charging aperture 8 periphery is provided with sealing steel plate 11, and described sealing steel plate 11 is with tailing slurry feed hopper 7 base plate 7-2 and stir cylindrical shell 2 sidewall or be only tightly connected with tailing slurry feed hopper 7 base plate 7-2; Cement charging aperture 8 is provided with in described tailing slurry feed hopper 7 base plate 7-2; Described cement feed pipe 9 passes cement charging aperture 8 and is communicated with agitator.
The top of described tailing slurry feed hopper 7 is uncovered, is made up of base plate 7-2, interior plate 7-3 and outer panel 7-1; Described base plate 7-2 is connected with the bottom of interior plate 7-3 and outer panel 7-1, and described interior plate 7-3 is vertical with base plate 7-2, and described outer panel 7-1 and base plate 7-2 is that 120 ° of angles weld together.
Described base plate 7-2 is rounded, and described tailing slurry blanking hole 10 is rounded to be distributed on base plate 7-2.
With reference to Fig. 5, the tailing slurry blanking hole 10 on described circular bottom plate 7-2 is the circular narrower bore of concentric, and the width of described circular narrower bore is 3mm.
Described tailing slurry feed hopper 7 height is 0.5m, and base plate 7-2 width is 0.08m.
Described cement feed pipe 9 is mounted obliquely within above cement charging aperture 8 in 65 ° of angles.
The caliber of described cement feed pipe 9 is φ 150mm.
The lower end of described stirring cylindrical shell 2 is provided with baiting valve 1.
The operation principle of embodiment 2 and a kind of anti-airborne dust tailing cemented filling mixer described in embodiment 3 and using method: the last mortar in sand storehouse by Cemented filling to tailing slurry feed hopper 7, enter in agitator by the tailing slurry blanking hole 10 on base plate 7-2, because feed rate is larger, on base plate 7-2, tailing slurry blanking hole 10 is long narrow cylindrical void or circular narrower bore, thus slip forms cascade when entering agitator through tailing slurry blanking hole 10, and the tailing slurry blanking hole 10 on square floor 7-2 is made up of 2 ~ 6 long narrow cylindrical voids be opened in base plate 7-2 all directions, tailing slurry blanking hole 10 on circular bottom plate 7-2 comprises 3 ~ 6 concentric circular narrower bore, sealing steel plate 11 is tightly connected with tailing slurry feed hopper 7 square floor 7-2 or circular bottom plate 7-2, therefore the cascade below the tailing slurry blanking hole 10 of square or circular distribution can form a square or circular closed area, make cement charging aperture 8 be positioned at the closed area being formed by cascade and agitator edge, sealing steel plate 11 or be made up of cascade and sealing steel plate 11, and then by cascade, the cement that cement charging aperture 8 flows out is hedged off from the outer world.In addition, because tailing slurry feed hopper 7 base plate 7-2 width is less, can guarantee that tailing slurry blanking hole 10 place forms cascade that is stable, continous way, it also avoid stir material level on the low side time, cascade bottom water flow is disorderly; The quantity of tailing slurry blanking hole 10 is multiple, forms the cascade of many levels, increase cascade enters the dust that agitator endogenous movement, collision etc. are flown upward absorption to cement around cement charging aperture 8, reduces the probability of cement airborne dust; Cement feed pipe 9 is inclined and mounted on above cement charging aperture 8 with 60 ~ 80 ° of angles, after making cement enter agitator from cement charging aperture 8, deflection agitator center enters, and the cascade below energy Rapid contact tailing slurry blanking hole 10, further reduce the possibility of cement airborne dust.Decelerator 6 drives shaft 4 to rotate, and then makes tailings and cement rotate through stirrer paddle 3 in agitator and mix, and the tailing cemented filling material slurry mixed is delivered to appointed place through baiting valve 1.
A kind of anti-airborne dust tailing cemented filling mixer of the present invention, the tailing slurry blanking hole 10 on described U-shaped or square floor 7-2 can also be 2 or 6 by the long narrow cylindrical void be opened in base plate 7-2 all directions; Tailing slurry blanking hole 10 on described circular bottom plate 7-2 can also be made up of the circular narrower bore of 3,5 or 6 concentrics, and the width of described circular narrower bore can also be 5 ~ or 10mm.; Described outer panel 7-1 and base plate 7-2 is that other angles such as 130 ° or 150 ° weld together; The width of described long narrow cylindrical void can also be 6mm or 8mm, the length of length side more each than base plate 7-2 can also little by 20,30 or 40mm, adjacent tailing slurry blanking hole 10 alternate 10 or 20mm; Described tailing slurry feed hopper 7 height be 0.6 or 0.8m, base plate 7-2 width be 0.05m or 0.12m; Described cement feed pipe 9 is mounted obliquely within above cement charging aperture 8 in 70 or 75 ° of angles; The caliber of described cement feed pipe 9 is φ 250mm or φ 300mm; The change of above technical characteristic, those skilled in the art is appreciated that by text description and implements, therefore is no longer separately illustrated as accompanying drawing.

Claims (10)

1. an anti-airborne dust tailing cemented filling mixer, is characterized in that, comprises agitator, tailing slurry feed hopper and cement feed pipe; Described agitator is by stirring cylindrical shell, shaft, and stirrer paddle and decelerator form; The top of stirring cylindrical shell is provided with fixed mount; Described decelerator is fixed on middle part in the middle part of fixed mount, is connected and drives shaft to rotate with shaft; Described shaft is connected with stirrer paddle; Described tailing slurry feed hopper is connected with stirring cylindrical shell top, and is fixed on above stirring cylindrical shell by fixed mount; Described tailing slurry feed hopper base plate offers several tailing slurry blanking holes; Described cement charging aperture periphery is provided with sealing steel plate, described sealing steel plate and tailing slurry feed hopper base plate and mixing drum body sidewall or be only tightly connected with tailing slurry feed hopper base plate; Cement charging aperture is provided with in described tailing slurry feed hopper base plate; Described cement feed pipe passes cement charging aperture and is communicated with agitator.
2. anti-airborne dust tailing cemented filling mixer as claimed in claim 1, it is characterized in that, the top of described tailing slurry feed hopper is uncovered, is made up of base plate, interior plate and outer panel; Described base plate is connected with the bottom of interior plate and outer panel, and described interior plate is vertical with base plate, and described outer panel and base plate are that 120 ° ~ 165 ° angles weld together.
3. anti-airborne dust tailing cemented filling mixer as claimed in claim 1, is characterized in that, described base plate takes the shape of the letter U, square or circular, and described tailing slurry blanking hole correspondingly takes the shape of the letter U, square or circular distribution is on base plate.
4. anti-airborne dust tailing cemented filling mixer as claimed in claim 3, it is characterized in that, tailing slurry blanking hole on described U-shaped or square floor is made up of 2 ~ 6 the long narrow cylindrical voids be opened in base plate all directions, the width of described long narrow cylindrical void is 3 ~ 10mm, little 10 ~ the 50mm of length of length side more each than base plate, the adjacent alternate 5 ~ 30mm of tailing slurry blanking hole.
5. anti-airborne dust tailing cemented filling mixer as claimed in claim 3, it is characterized in that, the tailing slurry blanking hole in described circular bottom plate comprises the circular narrower bore of 3 ~ 6 concentrics, and the width of described circular narrower bore is 3 ~ 10mm.
6. anti-airborne dust tailing cemented filling mixer as described in any one of claim 1 ~ 5, is characterized in that, described tailing slurry feed hopper is high is 0.5 ~ 1.0m, and baseplate width is 0.05m ~ 0.15m.
7. anti-airborne dust tailing cemented filling mixer as described in any one of claim 1 ~ 5, is characterized in that, described cement feed pipe is that 60 ~ 80 ° of angles are mounted obliquely within above cement charging aperture.
8. anti-airborne dust tailing cemented filling mixer as described in any one of claim 6, is characterized in that, described cement feed pipe is that 60 ~ 80 ° of angles are mounted obliquely within above cement charging aperture.
9. anti-airborne dust tailing cemented filling mixer as described in any one of claim 1 ~ 5, is characterized in that, the caliber of described cement feed pipe is φ 150mm ~ φ 400mm.
10. anti-airborne dust tailing cemented filling mixer as described in any one of claim 1 ~ 5, it is characterized in that, the lower end of described stirring cylindrical shell is provided with baiting valve.
CN201510113400.8A 2015-03-16 2015-03-16 A kind of anti-airborne dust tailing cemented filling mixer Expired - Fee Related CN104669437B (en)

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CN107364000A (en) * 2017-08-29 2017-11-21 包光华 A kind of mortar mixing device

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