CN201610764U - Filling system for coal mine gob area - Google Patents
Filling system for coal mine gob area Download PDFInfo
- Publication number
- CN201610764U CN201610764U CN2009203507775U CN200920350777U CN201610764U CN 201610764 U CN201610764 U CN 201610764U CN 2009203507775 U CN2009203507775 U CN 2009203507775U CN 200920350777 U CN200920350777 U CN 200920350777U CN 201610764 U CN201610764 U CN 201610764U
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- Prior art keywords
- gangue
- coal mine
- cement
- mine gob
- flyash
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Abstract
The utility model discloses a filling system for a coal mine gob area, comprising a cement bin for storing cement, a coal gangue hopper, a water tank and a stirring tank. The stirring tank is provided with an inlet and an outlet, the inlet is connected with the cement bin, the coal gangue hopper and the water tank to receive cement, coal gangue and water, and the outlet is connected with the coal mine gob area to supply filling slurry formed by stirring the cement, coal gangue and water to the coal mine gob area. According to the filling system for a coal mine gob area, the coal gangue used as the main filling material and the cement and pulverized coal used as the auxiliary materials are added with water for filling. The coal gangue, the cement and the pulverized coal for filling the coal mine gob area can be easily obtained in a coal mine, and the concentration of the filling slurry formed by stirring in the filling system for a coal mine gob area is beneficial to being adjusted.
Description
Technical field
The utility model relates to a kind of goaf filling system, especially relates to a kind of coal mine gob filling system.
Background technology
Mine worked-out section is the dead zone that the mining back stays below the face of land, if do not fill, can cause surface collapse, brings danger.Traditionally, the mine worked-out section filling is to utilize tailings as the filling major ingredient, and cement etc. are as the glued auxiliary material of filling.Tailing slurry is moisture, so the concentration adjustment complexity of filling slurry.
For coal mine gob, also seldom carry out filling at present, the goaf that stays after therefore mining has become a dangerous matter sources for the coal-producing area, in the many banks of China surface collapse has taken place.Therefore, it is imperative coal mine gob to be carried out filling.But traditional filling facility that utilizes tailings is not suitable for the filling of coal mine gob.
The utility model content
The utility model is intended to solve at least one of technical problem that exists in the prior art.For this reason, the coal mine gob filling system that a purpose of the present utility model concentration that is to propose a kind of filling slurry is easy to regulate and raw material is easy to get.
A kind of coal mine gob filling system according to embodiment of the present utility model comprises the cement bin that is used to store cement; The gangue hopper; The pond; And agitation tank, described agitation tank has entrance and exit, described inlet links to each other with the pond to admit cement, gangue and water with described cement bin, gangue hopper, and described outlet links to each other with coal mine gob and supplies to coal mine gob with the filling slurry that cement, gangue and water are stirred into.
According to coal mine gob filling system of the present utility model, as the filling major ingredient, cement and flyash add the water filling as auxiliary material with gangue.The gangue, cement and the flyash that are used for the filling coal mine gob obtain easily in the colliery, and the concentration of the filling slurry that stirring forms in the coal mine gob filling system is beneficial to adjusting.
In addition, also have following additional technical feature according to coal mine gob filling system of the present utility model:
Described coal mine gob filling system further comprises the flyash storehouse that is used to store flyash, and described flyash storehouse links to each other with the inlet of described agitation tank and be used for supplying with flyash in agitation tank.
Described coal mine gob filling system also further comprises the gangue rubber conveyer, and described gangue rubber conveyer is arranged between agitation tank and the described gangue hopper and is used for gangue is supplied in the agitation tank from the gangue hopper.
Described coal mine gob filling system further comprises disk feeder, and described disk feeder is arranged between gangue hopper and the gangue rubber conveyer so that gangue is transported on the gangue rubber conveyer.
Described coal mine gob filling system further comprises air compressor machine and gasholder, described air compressor machine links to each other with the air inlet port of gasholder and the gas outlet of gasholder links to each other with the bottom of flyash storehouse and cement bin respectively is used to make the flyash of bottom, flyash storehouse and the cement fluidization of cement bin bottom, so that flyash and cement are easy to discharge from the outlet at bottom of flyash storehouse and cement bin.
Described coal mine gob filling system further comprises the first and second duplex tube helix feeding machines, and the described first and second duplex tube helix feeding machines are separately positioned between agitation tank and flyash storehouse and the cement bin and are used for respectively flyash and cement bin being supplied to agitation tank.
Described coal mine gob filling system also further comprises first and second dust-precipitators, and first and second dust-precipitators are separately positioned on flyash storehouse and cement bin top, the dedusting when being used for cement and ash transfer and entering cement bin and flyash storehouse.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the schematic diagram according to the coal mine gob filling system of embodiment of the present utility model; With
Fig. 2 is the filling flow chart that adopts according to the coal mine gob filling system of the utility model embodiment.
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, term " on ", D score, " top ", " end ", " waiting the orientation of indication or position to close is based on orientation shown in the drawings or position relation; only be the utility model rather than require the utility model therefore can not be interpreted as restriction of the present utility model with specific orientation structure and operation for convenience of description.
Below with reference to the coal mine gob filling system of Fig. 1 description according to the utility model embodiment.
Coal mine gob filling system according to an embodiment of the utility model comprises cement bin 1, gangue hopper 2, pond 3 and the agitation tank 4 that is used to store cement.
Agitation tank 4 has inlet 41 and outlet 42, inlet 41 links to each other with cement bin 1, gangue hopper 2 and pond 3 admitting cement, gangue and water, and outlet 42 links to each other with boring pipeline A above the coal mine gob and supplies in the coal mine gob with the filling slurry that cement, gangue and water are stirred into.
In a concrete example of the present utility model, coal mine gob filling system also comprises gangue rubber conveyer 6 and disk feeder 7.Gangue rubber conveyer 6 is arranged between agitation tank 4 and the gangue hopper 2 and is used for gangue is supplied in the agitation tank 4 from gangue hopper 2.And disk feeder 7 is arranged between gangue hopper 2 and the gangue rubber conveyer 6, so that gangue is delivered in the gangue rubber conveyer 6, thereby is transported in the agitation tank 4.Particularly, disk feeder 7 is arranged on the bottom of gangue hopper 2.
In an example of the present utility model, coal mine gob filling system also comprises the flyash storehouse 5 that is used to store flyash, and flyash storehouse 5 links to each other with the inlet 41 of agitation tank 4 and be used for supplying with flyash in agitation tank 4.
In another example of the present utility model, coal mine gob filling system also comprises air compressor machine 8 and gasholder 9, air compressor machine 8 links to each other with the air inlet port of gasholder 9 and the gas outlet of gasholder 9 links to each other with the bottom of flyash storehouse 5 with cement bin 1 respectively, be used to make the flyash of 5 bottoms, flyash storehouse and the cement fluidization of cement bin 1 bottom, so that flyash and cement are easy to discharge from the outlet at bottom of flyash storehouse 5 and cement bin 1.
More specifically, coal mine gob filling system also comprises the first duplex tube helix feeding machine 11 and the second duplex tube helix feeding machine 51 that is used for feeding, wherein, the first duplex tube helix feeding machine 11 is arranged between agitation tank 4 and the cement bin 1, is used for cement supply to agitation tank 4 and regulate quantity delivered.The second duplex tube helix feeding machine 51 is arranged between agitation tank 4 and the flyash storehouse 5, is used for flyash is supplied to agitation tank 4 and regulates quantity delivered.
In addition, above cement bin 1 and flyash storehouse 5, also be respectively equipped with first dust-precipitator 12 and second dust-precipitator 52, the dedusting when being used for cement and ash transfer and entering cement bin and flyash storehouse.
Need to prove, term " links to each other " and should do broad understanding, for example the inlet of agitation tank links to each other with cement bin, the inlet that can be agitation tank links to each other by pipeline with the outlet opening of cement bin, also can be that cement bin is arranged on the agitation tank top, fall in the agitation tank from the cement that cement bin is discharged, perhaps the cement of discharging from cement bin is transported in the agitation tank by the duplex tube helix feeding machine, and this can and understand easily for those of ordinary skill in the art.
The filling flow process of the coal mine gob filling system that adopts the utility model embodiment is described below with reference to Fig. 2.
(1) from cement bin 1, supply to cement in the agitation tank 4 by the first duplex tube helix feeding machine 11, gangue enters disk feeder 7 and is admitted in the agitation tank 4 by gangue rubber conveyer 6 then from gangue hopper 2, wherein, the weight ratio of cement and gangue is 1: 15.
In an example of the present utility model, can also flyash be supplied in the agitation tank 4 from flyash storehouse 5 by the second duplex tube helix feeding machine 51, and make that the weight ratio of cement, flyash, gangue is 1: 4: 15.
Wherein, cement and flyash are discharged from cement bin 1 and flyash storehouse 5 respectively.When needs, by air compressor machine 8 and gasholder 9 air is fed cement bin 1 and flyash storehouse 5 earlier, make cement and flyash fluidization, so that flyash and cement are easy to discharge from the outlet at bottom of flyash storehouse 5 and cement bin 1.
In addition, pond 3 supplies water in the agitation tank 4.
(2) cement, gangue, flyash and the water that will supply in the agitation tank 4 stirs into filling slurry.
(3) from agitation tank 4 filling slurry is transported to the boring pipeline A of coal mine gob top from exporting 42 gravity flows, thereby the goaf (not shown) is carried out filling.
According to coal mine gob filling system of the present utility model, as the filling major ingredient, cement and flyash is as auxiliary material with gangue, adds water and stirs into filling slurry and carry out filling.The gangue that is used for the filling coal mine gob produces in the colliery, and has power plant usually near coal mine gob, output flyash, and therefore, the filler that uses in the coal mine gob filling system of the present utility model is easy to get.And the concentration that stirs the filling slurry that forms in this coal mine gob filling system is beneficial to adjusting.In addition, because the flyash price is low with respect to cement, therefore, under the situation of part place of cement, the weight ratio of cement and flyash was made as 1: 4, thereby can reduces filling cost.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment under the situation that does not break away from principle of the present utility model and aim, scope of the present utility model is limited by claim and equivalent thereof.
Claims (7)
1. a coal mine gob filling system is characterized in that, comprising:
Be used to store the cement bin of cement;
The gangue hopper;
The pond; With
Agitation tank, described agitation tank has entrance and exit, described inlet links to each other with the pond to admit cement, gangue and water with described cement bin, gangue hopper, and described outlet links to each other with coal mine gob and supplies to coal mine gob with the filling slurry that cement, gangue and water are stirred into.
2. coal mine gob filling system according to claim 1 is characterized in that, further comprises the flyash storehouse that is used to store flyash, and described flyash storehouse links to each other with the inlet of described agitation tank and be used for supplying with flyash in agitation tank.
3. coal mine gob filling system according to claim 1, it is characterized in that, further comprise the gangue rubber conveyer, described gangue rubber conveyer is arranged between agitation tank and the described gangue hopper and is used for gangue is supplied in the agitation tank from the gangue hopper.
4. coal mine gob filling system according to claim 3, it is characterized in that, further comprise disk feeder, described disk feeder is arranged between gangue hopper and the gangue rubber conveyer so that gangue is delivered in the gangue rubber conveyer.
5. coal mine gob filling system according to claim 2, it is characterized in that, further comprise air compressor machine and gasholder, described air compressor machine links to each other with the air inlet port of gasholder and the gas outlet of gasholder links to each other with the bottom of flyash storehouse and cement bin respectively is used to make the flyash of bottom, flyash storehouse and the cement fluidization of cement bin bottom.
6. coal mine gob filling system according to claim 2, it is characterized in that, further comprise the first and second duplex tube helix feeding machines, the described first and second duplex tube helix feeding machines are separately positioned on and are used between agitation tank and flyash storehouse and the cement bin respectively flyash and cement bin being supplied to agitation tank and can regulating quantity delivered.
7. coal mine gob filling system according to claim 2 is characterized in that, further comprises first and second dust-precipitators, and first and second dust-precipitators are located at flyash storehouse and cement bin top respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203507775U CN201610764U (en) | 2009-12-30 | 2009-12-30 | Filling system for coal mine gob area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203507775U CN201610764U (en) | 2009-12-30 | 2009-12-30 | Filling system for coal mine gob area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201610764U true CN201610764U (en) | 2010-10-20 |
Family
ID=42961396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203507775U Expired - Lifetime CN201610764U (en) | 2009-12-30 | 2009-12-30 | Filling system for coal mine gob area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201610764U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839146B (en) * | 2009-12-29 | 2013-03-06 | 中国恩菲工程技术有限公司 | Coal mine gob filling system |
| CN104002382A (en) * | 2014-05-22 | 2014-08-27 | 贵阳中化开磷化肥有限公司 | Slurrying method for filling and conveying engineering of phosphogypsum mines |
| CN104033180A (en) * | 2014-07-01 | 2014-09-10 | 河北工程大学 | Bucket elevating type compact coal mine paste filling device |
| CN104832211A (en) * | 2015-05-06 | 2015-08-12 | 辽宁工程技术大学 | Coal mine gob area filling system |
-
2009
- 2009-12-30 CN CN2009203507775U patent/CN201610764U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839146B (en) * | 2009-12-29 | 2013-03-06 | 中国恩菲工程技术有限公司 | Coal mine gob filling system |
| CN104002382A (en) * | 2014-05-22 | 2014-08-27 | 贵阳中化开磷化肥有限公司 | Slurrying method for filling and conveying engineering of phosphogypsum mines |
| CN104033180A (en) * | 2014-07-01 | 2014-09-10 | 河北工程大学 | Bucket elevating type compact coal mine paste filling device |
| CN104832211A (en) * | 2015-05-06 | 2015-08-12 | 辽宁工程技术大学 | Coal mine gob area filling system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101020 |