CN103963162A - Vertical sand silo mud-making device - Google Patents
Vertical sand silo mud-making device Download PDFInfo
- Publication number
- CN103963162A CN103963162A CN201410222928.4A CN201410222928A CN103963162A CN 103963162 A CN103963162 A CN 103963162A CN 201410222928 A CN201410222928 A CN 201410222928A CN 103963162 A CN103963162 A CN 103963162A
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- Prior art keywords
- pipe
- jet pipe
- pulping
- pipes
- oblique
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
- B65D88/70—Large containers characterised by means facilitating filling or emptying preventing bridge formation using fluid jets
Abstract
The invention relates to a sand silo used for backfilling a mine, and in particular relates to a vertical sand silo mud-making device. The vertical sand silo mud-making device comprises a silo body, wherein an annular mud-making pipe and two oblique mud-making pipes are arranged in the silo body; one end of the circular mud-making pipe is provided with a first high-pressure air pipe; upper ends of the two oblique mud-making pipes are both provided with second high-pressure air pipes; nozzles are evenly distributed in the annular mud-making pipe and the two oblique mud-making pipes; the nozzles comprise air inlet pipes and first jet pipes; the air inlet pipes are hollowed; the first jet pipes are sleeved on the air inlet pipes; rubber cushions are inset in the connection parts of the first jet pipes and the air inlet pipes; nozzle holes are formed in the central axes of the first jet pipes. The vertical sand silo mud-making device provided by the invention solves the problem that the nozzles are easy to block and damage when a vertical sand silo backfilling system releases mill tailings, has high sand-releasing concentration, and is stable.
Description
Technical field
The present invention relates to the sand storehouse using in a kind of filling in mine, be specifically related to a kind of vertical sand warehouse pulp making device.
Background technology
Since nineteen seventies, vertical sand warehouse filling system is widely applied at home, because tailings is precipitated as saturated sand in vertical sand warehouse, if can flow out by vertically putting sandpipe, must first carry out pulping, makes it liquefied.Vertical sand warehouse filling system tailings is put in sand process, easily causes spray nozzle clogging and damage, and ubiquity puts the low and unsettled problem of sand concentration, greatly reduces the intensity of obturation.
Vertical sand warehouse is the tailings storage facility that filling in mine generally adopts, and vertical sand warehouse system comprises last mortar dehydration, storage and three subsystems of pulping feed.Because tailings is precipitated as saturated sand in vertical sand warehouse, if can flow out by vertically putting sandpipe, must first carry out pulping, make it fluidization.Be generally that inner installation high-voltage geomantic omen pipe pulping completes in sand storehouse, wherein, the structure of mud making spray nozzle and quality thereof are that in vertical sand warehouse, whether last mortar fluidization is successfully crucial.
During originally from external introduction vertical sand warehouse technology, because the structure to nozzle and tailings are put the reason of the aspect such as degree and operational misleading of sand mechanism understanding, cause in filling system running, the obstruction of nozzle and well damage, make the mode of wind and water combined activation fewer and feweri, adopt at large the water under high pressure tailings that liquefies, thereby, in the quite a long period, China is used the mine ubiquity of vertical sand warehouse to put the low and unsettled problem of sand concentration, greatly reduce the intensity of obturation, worsened the working environment of down-hole.
Summary of the invention
For the deficiencies in the prior art, the object of this invention is to provide a kind of vertical sand warehouse pulp making device, put sand concentration high, and stable, solve vertical sand warehouse filling system tailings and put in sand process, nozzle easily stops up and the problem of damaging.
Vertical sand warehouse pulp making device of the present invention, comprise warehouse, warehouse top arranges hydrocyclone, the outer wall of warehouse top one side is provided with overflow launder, overflow launder bottom is provided with overflow pipe, warehouse inside is provided with a hoop pulping pipe and two oblique pulping pipes, hoop pulping pipe one end is provided with the first high-pressure blast water pipe, the upper end of two oblique pulping pipes is equipped with the second high-pressure blast water pipe, hoop pulping pipe is positioned at the top of two oblique pulping pipes, two oblique pulping Guan Jun are horizontal by miter angle, the lower end of two oblique pulping pipes is connected, junction arranges vertically puts sandpipe, vertically put sandpipe vertical with horizontal plane, hoop pulping pipe after being communicated with by return duct with two oblique pulping pipes again with vertically put sandpipe and be communicated with, return duct is provided with softening pipe, vertically putting sandpipe bottom is provided with and laterally puts sandpipe, between sandpipe, be provided with cleaning hose vertically putting on sandpipe return duct and laterally put, the uniform nozzle that arranges on hoop pulping pipe and two oblique pulping pipes, nozzle comprises air inlet pipe and the first jet pipe, air inlet pipe is hollow tubular, the first jet pipe is sleeved in air inlet pipe, the junction of the first jet pipe and air inlet pipe is inlayed rubber cushion is set, the first jet pipe axis is provided with spray orifice.Vertically putting sandpipe is provided with and puts sand valve.
Arrange second jet pipe vertical with the first jet pipe in the first jet pipe bottom, the axis of the second jet pipe is provided with spray orifice.
Arrange three jet pipe and four jet pipe vertical with the first jet pipe in the first jet pipe bottom, the axis of the 3rd jet pipe and the 4th jet pipe is positioned on straight line, on the axis of the 3rd jet pipe and the 4th jet pipe, be equipped with spray orifice, the 3rd jet pipe is vertical with the second jet pipe with the 4th jet pipe.
Warehouse bottom is conical bottom, between two oblique pulping pipes and conical bottom, concrete is set.
When use, full tailings first passes through hydroclone classification desliming processing, and the coarse grain tailings after desliming enters Sha Cang, is deposited on bottom, sand storehouse and is sand body state, and oversaturated water exists on tailings body, if water exceedes overflow launder, water flows out from overflow launder.Because tailings is precipitated as saturated sand in vertical sand warehouse, if can flow out by vertically putting sandpipe, must first carry out pulping, make it liquefied.First open the first high-pressure blast water pipe and the second high-pressure blast water pipe, high-pressure blast and water are by the nozzle ejection on hoop pulping pipe and two oblique pulping pipes, the sand body that is deposited on Sha Cang bottom is blown to pine, make the solid particle in nethermost supersaturation tailings body be suspended state, open return duct, hoop pulping pipe and two oblique pulping pipes are rinsed, return duct is set, prevent the anti-sand plug plug of nozzle pulping pipeline.Open softening pipe, become flexible and soften putting sand mouth, then open and put sand valve, tailings is emitted through laterally putting sandpipe from vertically putting sandpipe.The pulping mode that adopts hoop pulping pipe and two oblique pulping pipes, fluidization region is large, deposits saturated tailings pulping area large, has improved the sand ability of putting, and has also improved the stability of putting sand concentration.Nozzle comprises air inlet pipe and the first jet pipe, and air inlet pipe is hollow tubular, and the first jet pipe is sleeved in air inlet pipe, and the junction of the first jet pipe and air inlet pipe is inlayed rubber cushion is set, and the first jet pipe axis is provided with spray orifice.When pulping, high-pressure blast is opened rubber cushion, completes normal pulping, and after blast stops, rubber cushion is closed voluntarily.Preferably arrange second jet pipe vertical with the first jet pipe in the first jet pipe bottom, the axis of the second jet pipe is provided with spray orifice, arrange three jet pipe and four jet pipe vertical with the first jet pipe in the first jet pipe bottom, the axis of the 3rd jet pipe and the 4th jet pipe is positioned on straight line, on the axis of the 3rd jet pipe and the 4th jet pipe, be equipped with spray orifice, the 3rd jet pipe is vertical with the second jet pipe with the 4th jet pipe, selects this kind of nozzle, pulping better effects if.
In sum, the present invention has the following advantages:
(1) inlay rubber cushion is set in the junction of jet pipe and air inlet pipe, solved vertical sand warehouse filling system tailings and put in sand process, nozzle easily stops up and the problem of damaging.
(2) to put sand concentration high in the present invention, and stable.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the structural representation of embodiment of the present invention nozzle;
In figure: 1-hydrocyclone, 2-overflow launder, 3-overflow pipe, 4-nozzle, 5-the second high-pressure blast water pipe, the softening pipe of 6-, 7-is put sand valve, and 8-is laterally put sandpipe, 9-cleaning hose, 10-return duct, 11-concrete, 12-the first high-pressure blast water pipe, the oblique pulping pipe of 13-, 14-hoop pulping pipe, 15-spray orifice, 16-the first jet pipe, 17-rubber cushion, 18-air inlet pipe, 19-is vertically put sandpipe, 20-the 4th jet pipe, 21-the second jet pipe, 22-the 3rd jet pipe.
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be further described.
Embodiment
As depicted in figs. 1 and 2, comprise warehouse, warehouse top arranges hydrocyclone 1, the outer wall of warehouse top one side is provided with overflow launder 2, overflow launder 2 bottoms are provided with overflow pipe 3, warehouse inside is provided with a hoop pulping pipe 14 and two oblique pulping pipes 13, hoop pulping pipe 14 one end are provided with the first high-pressure blast water pipe 12, the upper end of two oblique pulping pipes 13 is equipped with the second high-pressure blast water pipe 5, hoop pulping pipe 14 is positioned at the top of two oblique pulping pipes 13, two oblique pulping pipes 13 are all horizontal by miter angle, the lower end of two oblique pulping pipes 13 is connected, junction arranges and vertically puts sandpipe 19, vertically put sandpipe 19 vertical with horizontal plane, hoop pulping pipe 14 after being communicated with by return duct 10 with two oblique pulping pipes 13 again with vertically put sandpipe 19 and be communicated with, return duct 10 is provided with softening pipe 6, vertically putting sandpipe 19 bottoms is provided with and laterally puts sandpipe 8, between sandpipe 8, be provided with cleaning hose 9 vertically putting on sandpipe 19 return duct 10 and laterally put, the uniform nozzle 4 that arranges on hoop pulping pipe 14 and two oblique pulping pipes 13, nozzle 4 comprises air inlet pipe 18 and the first jet pipe 16, air inlet pipe 18 is hollow tubular, the first jet pipe 16 is sleeved in air inlet pipe 18, the junction of the first jet pipe 16 and air inlet pipe 18 is inlayed rubber cushion 17 is set, the first jet pipe 16 axis are provided with spray orifice 15.Vertically putting sandpipe 19 is provided with and puts sand valve 7.Warehouse bottom is conical bottom, between two oblique pulping pipes 13 and conical bottom, concrete 11 is set.
Be provided with spray orifice in the first axis that the second jet pipe 21, the second jet pipes 21 are set vertical with the first jet pipe 16, jet pipe 16 bottoms.Arrange three jet pipe 22 and four jet pipe 20 vertical with the first jet pipe 16 in the first jet pipe 16 bottoms, the axis of the 3rd jet pipe 22 and the 4th jet pipe 20 is positioned on straight line, on the axis of the 3rd jet pipe 22 and the 4th jet pipe 20, be equipped with spray orifice, the 3rd jet pipe 22 is vertical with the second jet pipe 21 with the 4th jet pipe 20.
When use, full tailings first passes through hydrocyclone 1 graded desliming processing, and the coarse grain tailings after desliming enters Sha Cang, is deposited on bottom, sand storehouse and is sand body state, and oversaturated water exists on tailings body, if water exceedes overflow launder 2, water flows out from overflow launder 2.Because tailings is precipitated as saturated sand in vertical sand warehouse, if can flow out by vertically putting sandpipe 19, must first carry out pulping, make it liquefied.First open the first high-pressure blast water pipe 12 and the second high-pressure blast water pipe 5, high-pressure blast and water spray by the nozzle 4 on hoop pulping pipe 14 and two oblique pulping pipes 13, the sand body that is deposited on Sha Cang bottom is blown to pine, make the solid particle in nethermost supersaturation tailings body be suspended state, open return duct 10, hoop pulping pipe 14 and two oblique pulping pipes 13 are rinsed, return duct 10 is set, prevent the anti-sand plug plug of nozzle 4 pulping pipeline.Open softening pipe 6, become flexible and soften putting sand mouth, then open and put sand valve 7, tailings is emitted through laterally putting sandpipe 8 from vertically putting sandpipe 19.The pulping mode that adopts hoop pulping pipe 14 and two oblique pulping pipes 13, fluidization region is large, deposits saturated tailings pulping area large, has improved the sand ability of putting, and has also improved the stability of putting sand concentration.When pulping, high-pressure blast is opened the rubber cushion of nozzle 4 17, completes normal pulping, and after blast stops, rubber cushion 17 is closed voluntarily, prevents that nozzle 4 from being stopped up by tailings.
Claims (5)
1. a vertical sand warehouse pulp making device, it is characterized in that: comprise warehouse, warehouse top arranges hydrocyclone (1), the outer wall of warehouse top one side is provided with overflow launder (2), overflow launder (2) bottom is provided with overflow pipe (3), warehouse inside is provided with a hoop pulping pipe (14) and two oblique pulping pipes (13), hoop pulping pipe (14) one end is provided with the first high-pressure blast water pipe (12), the upper end of two oblique pulping pipes (13) is equipped with the second high-pressure blast water pipe (5), hoop pulping pipe (14) is positioned at the top of two oblique pulping pipes (13), two oblique pulping pipes (13) are all horizontal by miter angle, the lower end of two oblique pulping pipes (13) is connected, junction arranges and vertically puts sandpipe (19), vertically put sandpipe (19) vertical with horizontal plane, hoop pulping pipe (14) after being communicated with by return duct (10) with two oblique pulping pipes (13) again with vertically put sandpipe (19) and be communicated with, return duct (10) is provided with softening pipe (6), vertically putting sandpipe (19) bottom is provided with and laterally puts sandpipe (8), between sandpipe (8), be provided with cleaning hose (9) vertically putting the upper return duct (10) of sandpipe (19) and laterally put, the upper uniform nozzle (4) that arranges of hoop pulping pipe (14) and two oblique pulping pipes (13), nozzle (4) comprises air inlet pipe (18) and the first jet pipe (16), air inlet pipe (18) is hollow tubular, the first jet pipe (16) is sleeved in air inlet pipe (18), the junction of the first jet pipe (16) and air inlet pipe (18) is inlayed rubber cushion (17) is set, the first jet pipe (16) axis is provided with spray orifice (15).
2. vertical sand warehouse pulp making device according to claim 1, is characterized in that: vertically put sandpipe (19) and be provided with and put sand valve (7).
3. vertical sand warehouse pulp making device according to claim 1, it is characterized in that: arrange second jet pipe (21) vertical with the first jet pipe (16) in the first jet pipe (16) bottom, the axis of the second jet pipe (21) is provided with spray orifice.
4. vertical sand warehouse pulp making device according to claim 1, it is characterized in that: arrange three jet pipe (22) and four jet pipe (20) vertical with the first jet pipe (16) in the first jet pipe (16) bottom, the axis of the 3rd jet pipe (22) and the 4th jet pipe (20) is positioned on straight line, on the axis of the 3rd jet pipe (22) and the 4th jet pipe (20), be equipped with spray orifice, the 3rd jet pipe (22) is vertical with the second jet pipe (21) with the 4th jet pipe (20).
5. vertical sand warehouse pulp making device according to claim 1, is characterized in that: warehouse bottom, for conical bottom, arranges concrete (11) between two oblique pulping pipes (13) and conical bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410222928.4A CN103963162B (en) | 2014-05-23 | 2014-05-23 | Vertical sand warehouse pulp making device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410222928.4A CN103963162B (en) | 2014-05-23 | 2014-05-23 | Vertical sand warehouse pulp making device |
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| Publication Number | Publication Date |
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| CN103963162A true CN103963162A (en) | 2014-08-06 |
| CN103963162B CN103963162B (en) | 2016-06-29 |
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| CN201410222928.4A Active CN103963162B (en) | 2014-05-23 | 2014-05-23 | Vertical sand warehouse pulp making device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847405A (en) * | 2015-03-26 | 2015-08-19 | 北京矿冶研究总院 | Vertical sand silo wind-water two-stage time-sharing wall-winding slurry making system and use method thereof |
| CN105464701A (en) * | 2015-10-27 | 2016-04-06 | 北京矿冶研究总院 | Super-capacity stable continuous filling system |
| CN105626141A (en) * | 2016-01-07 | 2016-06-01 | 湖南文理学院 | Infrared electric control grout making device used for mine filling station |
| CN105673073A (en) * | 2016-01-22 | 2016-06-15 | 铜陵有色设计研究院 | Simple sand loosening device for vertical sand bin and use method of simple sand loosening device |
| CN105863728A (en) * | 2016-04-27 | 2016-08-17 | 武汉理工大学 | High-speed slurry making device for mine filling station |
| CN111229098A (en) * | 2020-01-15 | 2020-06-05 | 中国华冶科工集团有限公司 | Tailing slurry making device and slurry making method thereof |
| CN111749730A (en) * | 2020-07-07 | 2020-10-09 | 山东黄金矿业科技有限公司充填工程实验室分公司 | Thickener wind-water linkage slurry making system and damaged nozzle positioning method based on system |
| CN114382534A (en) * | 2022-01-12 | 2022-04-22 | 中南大学 | Fine-grain tailing paste-like filling system of vertical sand silo |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0245778A1 (en) * | 1986-05-13 | 1987-11-19 | Saarbergwerke Aktiengesellschaft | Double tangential nozzle |
| CN1632289A (en) * | 2004-12-22 | 2005-06-29 | 东北大学 | Mine filling system vertical sand warehouse water spray nozzle apparatus |
| CN200995876Y (en) * | 2006-12-28 | 2007-12-26 | 中国恩菲工程技术有限公司 | Vertical sand cabin with conical bottom |
| CN102505961A (en) * | 2011-10-28 | 2012-06-20 | 中钢集团马鞍山矿山研究院有限公司 | Large horizontal sand silo suitable for combined filling of mortar in dressing plants and dry tailings in tailings ponds |
| CN203876039U (en) * | 2014-05-23 | 2014-10-15 | 山东华联矿业股份有限公司 | Vertical-type sand silo mud making device |
-
2014
- 2014-05-23 CN CN201410222928.4A patent/CN103963162B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0245778A1 (en) * | 1986-05-13 | 1987-11-19 | Saarbergwerke Aktiengesellschaft | Double tangential nozzle |
| CN1632289A (en) * | 2004-12-22 | 2005-06-29 | 东北大学 | Mine filling system vertical sand warehouse water spray nozzle apparatus |
| CN200995876Y (en) * | 2006-12-28 | 2007-12-26 | 中国恩菲工程技术有限公司 | Vertical sand cabin with conical bottom |
| CN102505961A (en) * | 2011-10-28 | 2012-06-20 | 中钢集团马鞍山矿山研究院有限公司 | Large horizontal sand silo suitable for combined filling of mortar in dressing plants and dry tailings in tailings ponds |
| CN203876039U (en) * | 2014-05-23 | 2014-10-15 | 山东华联矿业股份有限公司 | Vertical-type sand silo mud making device |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847405A (en) * | 2015-03-26 | 2015-08-19 | 北京矿冶研究总院 | Vertical sand silo wind-water two-stage time-sharing wall-winding slurry making system and use method thereof |
| CN104847405B (en) * | 2015-03-26 | 2018-02-06 | 北京矿冶研究总院 | Vertical sand silo wind-water two-stage time-sharing wall-winding slurry making system and use method thereof |
| CN105464701A (en) * | 2015-10-27 | 2016-04-06 | 北京矿冶研究总院 | Super-capacity stable continuous filling system |
| CN105626141B (en) * | 2016-01-07 | 2017-08-25 | 湖南文理学院 | A kind of infrared automatically controlled pulp making device for filling in mine station |
| CN105626141A (en) * | 2016-01-07 | 2016-06-01 | 湖南文理学院 | Infrared electric control grout making device used for mine filling station |
| CN105673073A (en) * | 2016-01-22 | 2016-06-15 | 铜陵有色设计研究院 | Simple sand loosening device for vertical sand bin and use method of simple sand loosening device |
| CN105673073B (en) * | 2016-01-22 | 2018-05-25 | 铜陵有色设计研究院 | A kind of simple fluffing of moulding sand device and its application method for vertical sand warehouse |
| CN105863728A (en) * | 2016-04-27 | 2016-08-17 | 武汉理工大学 | High-speed slurry making device for mine filling station |
| CN105863728B (en) * | 2016-04-27 | 2018-06-08 | 武汉理工大学 | A kind of high-speed mud making device at filling in mine station |
| CN111229098A (en) * | 2020-01-15 | 2020-06-05 | 中国华冶科工集团有限公司 | Tailing slurry making device and slurry making method thereof |
| CN111749730A (en) * | 2020-07-07 | 2020-10-09 | 山东黄金矿业科技有限公司充填工程实验室分公司 | Thickener wind-water linkage slurry making system and damaged nozzle positioning method based on system |
| WO2022007637A1 (en) * | 2020-07-07 | 2022-01-13 | 山东黄金矿业科技有限公司充填工程实验室分公司 | Wind-water linkage pulping system for thickener, and damaged nozzle positioning method based on system |
| CN114382534A (en) * | 2022-01-12 | 2022-04-22 | 中南大学 | Fine-grain tailing paste-like filling system of vertical sand silo |
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| CN103963162B (en) | 2016-06-29 |
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Inventor after: Zhang Jiwei Inventor after: Ren Changsheng Inventor after: Chen Chuanwei Inventor before: Zheng Bo Inventor before: Ge Rongwei Inventor before: Zheng Wei Inventor before: Zhao Zunxing |
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Denomination of invention: Vertical sand bin slurry making device Effective date of registration: 20211203 Granted publication date: 20160629 Pledgee: YIYUAN JINYUAN MINING Co.,Ltd. Pledgor: SHANDONG HUALIAN MINING Co.,Ltd. Registration number: Y2021980014001 |
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Date of cancellation: 20220713 Granted publication date: 20160629 Pledgee: YIYUAN JINYUAN MINING Co.,Ltd. Pledgor: SHANDONG HUALIAN MINING Co.,Ltd. Registration number: Y2021980014001 |
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