CN112832855A - Ore pulp buffer storage tank and underground goaf treatment filling construction method - Google Patents
Ore pulp buffer storage tank and underground goaf treatment filling construction method Download PDFInfo
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- CN112832855A CN112832855A CN202011639018.8A CN202011639018A CN112832855A CN 112832855 A CN112832855 A CN 112832855A CN 202011639018 A CN202011639018 A CN 202011639018A CN 112832855 A CN112832855 A CN 112832855A
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- ore pulp
- tank
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- 238000003860 storage Methods 0.000 title claims abstract description 26
- 238000010276 construction Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000010521 absorption reaction Methods 0.000 claims abstract description 20
- 239000004568 cement Substances 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 9
- 239000002893 slag Substances 0.000 claims abstract description 6
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 239000004576 sand Substances 0.000 claims abstract description 4
- 239000004575 stone Substances 0.000 claims abstract description 4
- 239000002002 slurry Substances 0.000 claims description 14
- 210000005056 cell body Anatomy 0.000 claims description 6
- 239000003245 coal Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 238000009736 wetting Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 6
- 238000005065 mining Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000002440 industrial waste Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses an ore pulp buffer storage tank and an underground goaf treatment filling construction method, wherein ore pulp with the concentration of 20% is selected and conveyed into a tank body of the ore pulp buffer storage tank by a pipeline and a pump for storage; the baffle is sleeved with the rotating shaft A in an interference manner through the through hole and rotates to any state to open the outlet of the tank body, the pipeline is communicated with the opened outlet of the tank body and is conveyed into the stirrer through the pipeline and the pump, and cement or yellow phosphorus slag powder and aggregate sand stone are added at the same time and are uniformly stirred; conveying the mixture to a downhole chamber through a pipeline and a pump; conveying the ore to a goaf for filling through an underground ore room by a pipeline and a pump; during storage, water flow is introduced into the water through pipe positioned in the middle of the baffle, the water flows through the overflow groove to soak the water absorption plate to moisturize the ore pulp, and redundant water is discharged from the water through pipes positioned at two ends of the baffle, so that the ore pulp is prevented from losing water and solidifying into large particles or plate blocks, the mobility during subsequent pipeline conveying is improved, and the mobility during conveying is ensured after the ore pulp is stored in the tank body and is input into a subsequent pipeline.
Description
Technical Field
The invention relates to an ore pulp buffer storage tank and an underground goaf treatment filling construction method, and belongs to the technical field of underground construction.
Background
China is a country with large mineral resource production and consumption, underground mining is mainly used for mining, according to the investigation of 1173 countries with large and medium enterprises, the underground mining accounts for 68.89%, a large number of goafs are formed during mining, stress in rock masses is redistributed due to the goafs, so that goaf roofs, surrounding rocks and ore pillars are deformed, damaged and moved, the surface environment is inevitably disturbed and damaged, great potential safety hazards exist, the goafs need to be treated, and the main mining method at home and abroad at present comprises the following steps: open stope mining, caving mining, and pack mining;
most tailing slurry generated by mineral separation is discharged into a low-lying place for storage, so that a large amount of land is occupied, the ecological environment is damaged, dam collapse accidents of the tailing slurry can be caused, the life and property safety of downstream people is damaged, most tailing reservoirs are built in mountain areas, firstly, vegetation is damaged, the veins of mountains are changed, and the water conservation is influenced; secondly, the reservoir which is planned to be used as a drinking water source or a standby water source at present can be polluted;
at present, a cementing filling method is carried out on a goaf, so that the adaptability is strong, the ore recovery rate is high, the dilution rate is low, the operation is safer, industrial waste can be utilized, the earth surface is protected, and the like;
however, since the concentration of the contained particles in the ore slurry is high, when the ore slurry is stored in a short time, the ore slurry at the discharge port of the ore slurry buffer storage tank is easy to lose water, so that the ore slurry is solidified into large particles, and the fluidity during subsequent pipeline transportation is reduced.
Disclosure of Invention
In order to solve the technical problem, the invention provides an ore pulp buffer storage tank.
The invention also provides a construction method for treating and filling the underground goaf.
The invention is realized by the following technical scheme.
The invention provides an ore pulp buffer storage tank, which comprises: a groove body with a through middle part; the water tank is characterized in that a baffle which is movable and blocks the outlet of the tank body is arranged on the outlet of the tank body, a water absorption plate which can absorb water is arranged on the inner side surface of the baffle close to the hollow cavity of the tank body, an overflow groove facing the water absorption plate is arranged on the baffle, and a plurality of water pipes communicated with the overflow groove are arranged on the baffle.
The invention also provides an underground goaf treatment filling construction method, which uses the ore pulp buffer storage tank and comprises the following steps:
firstly, selecting ore pulp with the concentration of 20%, and conveying the ore pulp to the tank body of an ore pulp buffer storage tank by using a pipeline and a pump for storage;
secondly, the baffle is sleeved with the rotating shaft A in an interference manner through the through hole and rotates to any state to open the outlet of the tank body, the pipeline is communicated with the opened outlet of the tank body and is conveyed into the stirrer through the pipeline and the pump, and cement or yellow phosphorus slag powder and aggregate sand stone are added at the same time and are uniformly stirred;
thirdly, conveying the mixture to a downhole chamber through a pipeline and a pump;
and finally, conveying the coal to a goaf for filling through an underground chamber by a pipeline and a pump.
The invention has the beneficial effects that: when in storage, water flow is introduced into the water through pipe positioned in the middle of the baffle, the water flow overflows through the overflow groove to wet the water absorption plate to preserve moisture of the ore pulp, and redundant water is discharged from the water through pipe positioned at two ends of the baffle, so that the ore pulp is prevented from losing water and solidifying into large particles or plate blocks, the mobility during subsequent pipeline transportation is improved, and the mobility during transportation when the ore pulp is stored in the tank body and then is input into a subsequent pipeline for transportation is ensured; mixing yellow phosphorus slag powder; the production cost is reduced, the later strength is high, the corrosion resistance is high, and the industrial pollution is reduced.
Drawings
Figure 1 is a schematic diagram of the structure of a pulp buffer storage tank of the invention;
FIG. 2 is a schematic diagram of a right-side sectional structure based on FIG. 1;
FIG. 3 is a process flow diagram of the present invention;
in the figure: 1-a groove body; 2-a baffle plate; 3-a water absorption plate; 21-an overflow tank; 22-water pipe; 4-rotation axis A; 5-axis of rotation B.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
See fig. 1-3.
The invention provides an ore pulp buffer storage tank, which comprises: a tank body 1 with a through middle part; the outlet of the tank body 1 is provided with a baffle 2 which is movable and is used for blocking the outlet of the tank body 1, the baffle 2 is close to the inner side surface in the hollow cavity of the tank body 1 and is provided with a water absorption plate 3 which can absorb water, the baffle 2 is provided with an overflow groove 21 facing the water absorption plate 3, and the baffle 2 is provided with a plurality of water through pipes 22 communicated with the overflow groove 21.
The ore pulp is stored in the tank body 1, water flow is introduced into the water through pipe 22 in the middle of the baffle 2 during storage, the water flow overflows through the overflow groove 21 to wet the water absorption plate 3 to preserve moisture of the ore pulp, and redundant water is discharged from the water through pipe 22 at the two ends of the baffle 2, so that the ore pulp is prevented from losing water and solidifying into large particles or plate blocks, the mobility during subsequent pipeline conveying is improved, and the mobility during conveying by inputting the ore pulp into a subsequent pipeline after being stored in the tank body 1 is ensured.
The water absorption plate 3 is made of flexible and deformable water absorption cloth.
Be equipped with the through-hole of rotatory usefulness on baffle 2, through-hole interference cover is on pivot A4, and pivot A4 both ends are fixed on 1 export both sides wall of cell body, and baffle 2 is rotatory to the export of cell body 1 to the optional state through-hole and pivot A4 interference suit, realizes that the activity of baffle 2 is stopped up or is opened the export of cell body 1.
Two ends of the rotating shaft A4 are fixed on two side walls of the outlet of the tank body 1 through screws or welding.
The water absorption plate 3 is provided with a through hole for rotation, the through hole is sleeved on the rotating shaft B5 in a clearance manner to realize rotatable movement, two ends of the rotating shaft B5 are fixed on two side walls of the outlet of the tank body 1 through screws or welding, and the water absorption plate 3 is tightly attached to the overflow tank 21 after rotating.
The overflow tank 21 is trumpet-shaped.
The large bell mouth of the overflow groove 21 faces the water absorption plate 3, and the small mouth is communicated with the water through pipe 22.
The invention also provides an underground goaf treatment filling construction method, which uses the ore pulp buffer storage tank and comprises the following steps:
firstly, selecting ore pulp with the concentration of 20%, conveying the ore pulp into a tank body 1 of an ore pulp buffer storage tank by using a pipeline and a pump for storage, introducing water flow into a water through pipe 22 positioned in the middle of a baffle plate 2 during storage, enabling the water flow to overflow and soak a water absorption plate 3 through an overflow groove 21 to preserve moisture of the ore pulp, and discharging redundant water from the water through pipes 22 positioned at two ends of the baffle plate 2, so that the ore pulp is prevented from losing water and solidifying into large particles or plate-forming blocks, the mobility during subsequent pipeline conveying is improved, and the mobility of conveying the ore pulp after being stored in the tank body 1 by inputting a subsequent pipeline is ensured;
secondly, the baffle 2 is sleeved with the rotating shaft A4 in an interference manner through the through hole and rotates to any state to open the outlet of the tank body 1, the pipeline is communicated with the opened outlet of the tank body 1 and is conveyed into the stirrer through the pipeline and the pump, and cement or yellow phosphorus slag powder and aggregate sand stone are added at the same time and are uniformly stirred;
thirdly, conveying the mixture to a downhole chamber through a pipeline and a pump;
and finally, conveying the coal to a goaf for filling through an underground chamber by a pipeline and a pump.
The addition of yellow phosphorus slag powder can reduce the cement dosage by 20-30%, the cement unit price is about 350 yuan/ton and the superfine powder unit price is about 120 yuan/ton according to the current market price, namely, the addition of the superfine powder can reduce the production cost, and when the superfine powder replaces part of cement according to experimental data, the cement is hardened without any clinker and steam curing, has the strength of 525# common cement, has large later-stage strength, strong corrosion resistance, better impermeability than the common cement, low cost and simple preparation process, changes industrial waste into high-quality building materials, and reduces industrial pollution.
Claims (8)
1. A slurry surge tank, comprising: a tank body (1) with a through middle part; the water suction device is characterized in that a baffle (2) which is movably blocked at the outlet of the tank body (1) is arranged at the outlet of the tank body (1), a water suction plate (3) capable of sucking water is arranged on the inner side surface, close to the hollow cavity of the tank body (1), of the baffle (2), an overflow groove (21) facing the water suction plate (3) is formed in the baffle (2), and a plurality of water service pipes (22) communicated with the overflow groove (21) are arranged on the baffle (2).
2. The slurry surge tank of claim 1, wherein: the water absorption plate (3) is made of flexible deformable water absorption cloth.
3. The slurry surge tank of claim 2, wherein: the novel cell body is characterized in that a through hole for rotation is formed in the baffle (2), the through hole is sleeved on the rotating shaft A (4) in an interference mode, two ends of the rotating shaft A (4) are fixed to two side walls of an outlet of the cell body (1), and the baffle (2) is sleeved with the rotating shaft A (4) in the interference mode through the through hole in an interference mode and rotates to an optional state to open the outlet of the cell body (1).
4. The slurry surge tank of claim 3, wherein: and two ends of the rotating shaft A (4) are fixed on two side walls of the outlet of the groove body (1) through screws or welding.
5. The slurry surge tank of claim 3, wherein: the water absorption plate (3) is provided with a through hole for rotation, the through hole is sleeved on the rotating shaft B (5) in a clearance manner to realize rotatable movement, two ends of the rotating shaft B (5) are fixed on two side walls of the outlet of the tank body (1), and the water absorption plate (3) is tightly attached to the overflow tank (21) after rotating.
6. The slurry surge tank of claim 1 or 5, wherein: the overflow tank (21) is horn-shaped.
7. The slurry surge tank of claim 1, wherein: the large bell mouth of the overflow groove (21) faces the water absorption plate (3), and the small mouth is communicated with the water through pipe (22).
8. An underground goaf treatment filling construction method, which uses a pulp buffer storage tank of any one of claims 1 to 7, comprising the following steps:
firstly, selecting ore pulp with the concentration of 20%, conveying the ore pulp into a groove body (1) of an ore pulp buffer storage tank by using a pipeline and a pump for storage, introducing water flow into a water through pipe (22) positioned in the middle of the upper part of a baffle (2) during storage, wetting the ore pulp by a water absorption plate (3) through overflow of a water overflow groove (21), and discharging redundant water from the water through pipes (22) positioned at the two ends of the upper part of the baffle (2);
secondly, the baffle (2) is sleeved with the rotating shaft A (4) in an interference manner through the through hole and rotates to any state to open the outlet of the tank body (1), the pipeline is communicated with the outlet of the opened tank body (1), the mixture is conveyed into a stirrer through the pipeline and a pump, and cement or yellow phosphorus slag powder and aggregate sand stone are added and stirred uniformly;
thirdly, conveying the mixture to a downhole chamber through a pipeline and a pump;
and finally, conveying the coal to a goaf for filling through an underground chamber by a pipeline and a pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011639018.8A CN112832855A (en) | 2020-12-31 | 2020-12-31 | Ore pulp buffer storage tank and underground goaf treatment filling construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011639018.8A CN112832855A (en) | 2020-12-31 | 2020-12-31 | Ore pulp buffer storage tank and underground goaf treatment filling construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112832855A true CN112832855A (en) | 2021-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011639018.8A Pending CN112832855A (en) | 2020-12-31 | 2020-12-31 | Ore pulp buffer storage tank and underground goaf treatment filling construction method |
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| CN (1) | CN112832855A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101008316A (en) * | 2007-01-31 | 2007-08-01 | 贵州开磷（集团）有限责任公司 | Phosphogypsum cementing and post-filling mining method and pulping technology thereof |
| CN103953852A (en) * | 2014-04-24 | 2014-07-30 | 云南大红山管道有限公司 | Buffer storage device and pulp pipeline conveying system |
| CN104476677A (en) * | 2014-12-15 | 2015-04-01 | 浙江广天构件股份有限公司 | On-site storage device of wet-mixing mortar |
| CN206510203U (en) * | 2016-11-29 | 2017-09-22 | 广州市盈坚建材科技发展有限公司 | A kind of dedicated storage tank of wet mixing mortar |
| CN207761707U (en) * | 2017-12-15 | 2018-08-24 | 中国华冶科工集团有限公司 | Filling in mine anti-blocking system |
-
2020
- 2020-12-31 CN CN202011639018.8A patent/CN112832855A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101008316A (en) * | 2007-01-31 | 2007-08-01 | 贵州开磷（集团）有限责任公司 | Phosphogypsum cementing and post-filling mining method and pulping technology thereof |
| CN103953852A (en) * | 2014-04-24 | 2014-07-30 | 云南大红山管道有限公司 | Buffer storage device and pulp pipeline conveying system |
| CN104476677A (en) * | 2014-12-15 | 2015-04-01 | 浙江广天构件股份有限公司 | On-site storage device of wet-mixing mortar |
| CN206510203U (en) * | 2016-11-29 | 2017-09-22 | 广州市盈坚建材科技发展有限公司 | A kind of dedicated storage tank of wet mixing mortar |
| CN207761707U (en) * | 2017-12-15 | 2018-08-24 | 中国华冶科工集团有限公司 | Filling in mine anti-blocking system |
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