CN201080614Y - Slope type dry method red mud storage yard water drainage structure - Google Patents
Slope type dry method red mud storage yard water drainage structure Download PDFInfo
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- CN201080614Y CN201080614Y CNU2007202007068U CN200720200706U CN201080614Y CN 201080614 Y CN201080614 Y CN 201080614Y CN U2007202007068 U CNU2007202007068 U CN U2007202007068U CN 200720200706 U CN200720200706 U CN 200720200706U CN 201080614 Y CN201080614 Y CN 201080614Y
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- red mud
- return pipe
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Abstract
The utility model discloses a sewerage structure of a slope-type dry red mud disposal site which is divided into two blocks or more than two blocks of small red mud storage areas. A water return pipe is arranged on the bottom of each block of small red mud storage area; the water return pipe is connected with a water return tank; an initial stage sewerage well and a permanent sewerage well are respectively arranged on the lowest point and the central part of each block of small red mud storage area; both of the initial stage sewerage well and the permanent sewerage well are connected with the water return pipe; seepage resistance layers are arranged on the bottom of each block of small red mud storage area and the dam body. The utility model uses a rain water overflow pipe arranged on the initial bam to avoid rainwater overflow, solving the problems of the mud disposal sit including the flood control problem, the bam base fastness problem and the environmental pollution problem. The excavation and filling engineering problem of the slope-type red mud disposal site is solved by the arrangements of the double vertical shafts of the initial stage sewerage well and the permanent sewerage well; meanwhile, the construction quantity of the slope-type red mud disposal site can be reduced by the utility model, saving the initial cost of factory construction.
Description
Technical field
The utility model relates to a kind of discharge structure of dry method red mud storage yard, and particularly a kind of discharge structure of sloping field type dry red mud disposal belongs to dry-method red mud disposal technology field.
Background technology
Red mud is the waste residue that produces in the alumina producing, and except that can fully utilizing on a small quantity, each alumina producer all need be built special red mud dump and stack red mud.The disposal of red mud mainly contains wet method and dry method dual mode.It is generally acknowledged that the red mud slurry moisture content that enters the stockyard is dry method being wet method more than 47% less than 47%.The wet method stockyard has a large amount of surplus water yields to accumulate in the stockyard usually, the phreatic line in stockyard is constantly raise, the potential safety hazard and the risk of leakage in the environmental protection of dam body are bigger, add that water accounts is more with stockyard storage capacity, reduced capacity utilization, so the wet method stockyard is replaced by dry method storage yard gradually, the mode that newly-built in recent years alumina producer adopts dry method red mud to store up mostly.
Dry method red mud storage yard needs bigger airing area, and the red mud slurry carries out sedimentation separation and drying and consolidating in the stockyard, and isolated moisture (wastewater from red mud) returns alumina producer, and red mud is the solid-state red mud dump that is deposited in.The site of dry method red mud storage yard, natural conditions and land resources situation according to alumina producer periphery landform can roughly be divided into sloping field type, sloping field type, flat type and basin type four classes.So-called sloping field type refers to that the site is a slope, and the end, slope and sloping heights of roofs drop are bigger, and is more common in loess area and knob; In the alumina producer that adopts dry method to store up, comparatively common with the flat type stockyard, because the flat type site is satisfied the demand of dry method red mud storage yard to the airing area easily, can reducing outside the venue again, rainwater imports the stockyard.The dry method of red mud is stored up technology and is at first grown up in Australian several flat types stockyard.First dry method red mud storage yard of China " Pingguo, Guangxi alumina producer " also adopts flat type.
But for concrete alumina producer, be limited to plant area's periphery natural environment and land resources situation, sometimes not having the level land of enough areas can select for use, or though the level land is arranged but generally be basic farmland and can not take, have to select the site of the place of the suitable shapes such as gully type, sloping field type or basin type of area sometimes as dry method red mud storage yard.
Because of the site shape difference of red mud dump, storing up technology also has very big-difference; So the stacked arrangement of flat type dry method storage yard can not simply overlap and use on the sloping field type red mud dump.The flat type stockyard is after constructing a circle initial dam, with middle dam the stockyard is divided into some sub-districts, each sub-district all flattens and is high, the middle low shape in four sides, cloth tube is set around again in the sub-district, adopt the four sides cloth, rise synchronously around the operation process of middle draining, sub-district, construct sub-dam after piling with again and continue to store up.And the sloping field type red mud dump, can face many new problems: for example, as all being flattened, each sub-district is high, the middle low shape in four sides, catch pit is located at center of housing estate, the high part of absolute altitude then, and amount of excavation is very big, the part that absolute altitude is low, amount of fill is very big, and the damming works amount of initial dam is also very big, and the investment in whole stockyard will be very big.Be single domatic as the consequent relief leveling, draining shaft is not arranged on the center and is located at the absolute altitude lower, can bring two problems again: the one, and each sub-district is similar to the bowl of an inclination, and rainwater is easily from excessive safety of dam body and the contaminated environment of jeopardizing of lower initial dam during heavy rain; The 2nd, the lower initial dam in position is nearer apart from draining shaft, and the red mud of this initial dam near zone is difficult to drying and consolidating, can face the problem of sub-dam dam foundation weakness when building sub-dam after initial dam piles with.
The utility model content
The purpose of this utility model is, a kind of discharge structure of sloping field type dry red mud disposal is provided; It is less that the technical solution of the utility model has place leveling engineering quantity, and the initial dam investment economizes, and drainage system can satisfy the flood control and water drain needs, zone, sub-dam red mud can be rapidly solidified etc. characteristics, can overcome the deficiencies in the prior art.
The technical solution of the utility model; A kind of discharge structure of sloping field type dry red mud disposal, comprise the red mud dump 1 that is located on the landform of hillside fields, lower position place at red mud dump 1 is provided with back pool 2, in red mud dump 1, be provided with dam body 3, dam body 3 is stored up zone 5 with the little red mud that red mud dump is divided into two or more than two, and the bottom of storing up zone 5 at every little red mud is provided with return pipe 8, return pipe 8 links to each other with back pool 2, the minimum point and the centre of storing up zone 5 at every little red mud are respectively equipped with initial stage catch pit 11 and permanent catch pit 7, and initial stage catch pit 11 all is connected with return pipe 8 with permanent catch pit 7; And store up on regional 5 bottoms and the dam body 3 at every little red mud and to be equipped with impervious barrier 6.
The dam body 3 of storing up the region topography lowest part at every little red mud is as initial dam 4, and dam 4 is provided with stormwater overflow pipe 13 in the early stage, is connected with overfall 14 on stormwater overflow pipe 13, and stormwater overflow pipe 13 is connected with initial stage catch pit 11.
Return pipe 8 comprises that being positioned at every little red mud stores up the bottom of the reservior return pipe 10 of regional 5 bottoms and be positioned at return pipe 9 outside red mud dump 1 storehouse outward; Initial stage catch pit 11 all is connected with bottom of the reservior return pipe 10 with permanent catch pit 7, and bottom of the reservior return pipe 10 is connected with return pipe 9 outside the storehouse, and return pipe 9 is connected with back pool 2 outside the storehouse.
On impervious barrier 6, be equipped with sandstone drainage layer 12.
Initial stage catch pit 11 and permanent catch pit 7 are the steel pipe that diameter is 1～1.5m, offer the infiltration hole on steel pipe, and are wound with the drainage geotextiles or are provided with sandstone drainage layer 12 on collecting well 13 around it.
The sandstone drainage layer 12 that is laid on impervious barrier 6 tops be wrapped in initial stage catch pit 11 and be connected with drainage geotextiles or sandstone drainage layer on the permanent catch pit 7.
Compared with the prior art, the technical solution of the utility model is at the bigger characteristics of the high low head in sloping field type dry red mud disposal ground and fixed, by in the red mud dump of the hillside fields landform of choosing, building dam body, the hillside fields red mud dump is divided into some little red mud dumps zone, on the initial dam in the little red mud dump zone of every division, the stormwater overflow pipe is set again, at its minimum point and central part for initial stage catch pit and permanent catch pit are set respectively, being arranged on the initial dam stormwater overflow pipe can prevent that rainwater is excessive and pile up, solved the flood control problem of red mud dump, firm problem of the dam foundation and problem of environmental pollution, the dual vertical shaft of initial stage catch pit and permanent catch pit hillside fields shape red mud dump excavation and big problem and catch pit and the initial dam hypotelorism of embankment engineering, the problem of dam foundation weakness of having solved be set.Therefore adopt the technical solution of the utility model not only can significantly reduce the construction volume of sloping field type red mud dump and the safety that use in the stockyard, but also can save the preliminary expenses of founding the factory, help enterprise's construction.Therefore the utility model has excellent popularization to be worth and practical value, brings good economic benefits can for society and enterprise.
Description of drawings
Fig. 1 is a layout schematic diagram of the present utility model;
Fig. 2 is a B-B schematic diagram of the present utility model.
The specific embodiment
Embodiment: as depicted in figs. 1 and 2, it comprises selected hillside fields landform, when on the hillside fields landform of choosing, building red mud dump 1, earlier build back pool 2 in the lower position of hillside fields terrain, on the hillside fields landform of choosing, build dam body 3 again, to be positioned at the little red mud that red mud piling up zone on the landform of hillside fields is divided into two or more than two by dam body 3 and store up zone 5, the bottom of storing up zone 5 at every little red mud is equipped with return pipe 8, return pipe 8 comprises that being layed in little red mud stores up the bottom of the reservior return pipe 10 of regional 5 bottoms and be positioned at return pipe 9 outside red mud dump 1 storehouse outward, return pipe 9 is buried underground along clinoform outside the storehouse, finally be connected with back pool 2, bottom of the reservior return pipe 10 is connected with return pipe 9 outside the storehouse; The physical features minimum point and the center of storing up zone 5 at every little red mud are respectively arranged with initial stage catch pit 11 and permanent catch pit 7, initial stage catch pit 11 all is connected with bottom of the reservior return pipe 10 with permanent catch pit 7, for reducing the laying length of bottom of the reservior return pipe 10, generally all initial stage catch pit 11 is arranged between initial dam 4 and the permanent catch pit 7, being defined as wherein to initial dam 4, initial dam 4 is stored up wherein of dam body 3 around the zone 5 for being arranged in little red mud, the gradient incline direction of direction that it was and hillside fields landform is perpendicular, and is positioned at the lower position place that little red mud is stored up zone 5.And need bottom that initial stage catch pit 11 is set and location about are carried out in when construction smooth, make little red mud store up zone 5 around all inclined slope to initial stage catch pit 11; After treating that smooth good each little red mud is stored up the bottom in zone 5, the infiltration layer 6 of setting up defences on the interior domatic upper berth that little red mud is stored up the bottom in zone 5 and dam body 3 is earlier laid sandstone drainage layer 12 again on impervious barrier 6.Initial stage catch pit 11 and permanent catch pit 7 employing diameters are that the steel pipe of 1～1.5m is made, on steel pipe, offer the infiltration hole, and be wound with the drainage geotextiles or be stacked with sandstone drainage layer on catch pit 11 and the permanent catch pit 7 in the early stage, for preventing that red mud from entering initial stage catch pit 11 or permanent catch pit 7, stores up the sandstone drainage layer of laying regional 5 bottoms 12 with each little red mud and be connected with the drainage geotextiles.Simultaneously for preventing rainwater Ba4Chu accumulation in the early stage or overflowing from initial dam 4, the interior domatic stormwater overflow pipe 13 that is provided with on dam 4 in the early stage, on stormwater overflow pipe 13, be equipped with some overfalls 14, and stormwater overflow pipe 13 usefulness steel pipes are connected with initial stage catch pit 11 every a determining deviation.
When the sloping field type red mud dump build finish put into operation after, at first the cloth mouth of storing up on 5 the initial dam 1 of zone from each little red mud is stacked red mud to the direction of initial stage catch pit 11, progressively form preferential cloth district, in stacking process, for preventing that red mud from entering in the stormwater overflow official 13 from the overfall 14 of stormwater overflow pipe, on overfall 14 terminations, be welded with flange, on flange, can cover by adpting flange, and along with the rising of red mud face needs progressively with blind flange overfall 14 to be carried out shutoff, wastewater from red mud enters back pool 10 by initial stage catch pit 11 during this period, and rainwater mainly enters back pool 10 by stormwater overflow pipe 13; When the red mud face height of stacking arrives the top of initial stage catch pit 11, initial stage catch pit 11 is carried out shutoff with steel plate; And, need the height of permanent catch pit 7 is increased, until stockyard Feng Ku along with the rising gradually of red mud face.After permanent catch pit 7 was brought into use, a small amount of wastewater from red mud and rainwater that oozes down still can slowly flow into back pool 2 by initial stage catch pit 11, thereby the red mud that can guarantee initial dam 4 places is in dry state.
Claims (6)
1. the discharge structure of a sloping field type dry red mud disposal, comprise the red mud dump (1) that is located on the landform of hillside fields, be provided with back pool (2) at the lower position place of red mud dump (1), it is characterized in that: in red mud dump (1), be provided with dam body (3), dam body 3 is stored up zone (5) with the little red mud that red mud dump (1) is divided into two or more than two, and the bottom of storing up zone (5) at every little red mud is provided with return pipe (8), return pipe (8) links to each other with back pool (2), the minimum point and the centre of storing up zone (5) at every little red mud are respectively equipped with initial stage catch pit (11) and permanent catch pit (7), and initial stage catch pit (11) all is connected with return pipe (8) with permanent catch pit (7); And store up on zone (5) bottom and the dam body (3) at every little red mud and to be equipped with impervious barrier (6).
2. the discharge structure of sloping field type dry red mud disposal according to claim 1, it is characterized in that: store up the dam body (3) of region topography lowest part as initial dam (4) at every little red mud, dam (4) are provided with stormwater overflow pipe (13) in the early stage, be connected with overfall (14) on stormwater overflow pipe (13), stormwater overflow pipe (13) is connected with initial stage catch pit (11).
3. the discharge structure of sloping field type dry red mud disposal according to claim 1 is characterized in that: return pipe (8) comprises that being positioned at every little red mud stores up the bottom of the reservior return pipe (10) of bottom, zone (5) and be positioned at return pipe (9) outside red mud dump (1) storehouse outward; Initial stage catch pit (11) all is connected with bottom of the reservior return pipe (10) with permanent catch pit (7), and bottom of the reservior return pipe (10) is connected with return pipe (9) outside the storehouse, and return pipe outside the storehouse (9) is connected with back pool (2)
4. the discharge structure of sloping field type dry red mud disposal according to claim 1 is characterized in that: be equipped with sandstone drainage layer (12) on impervious barrier (6).
5. the discharge structure of sloping field type dry red mud disposal according to claim 4, it is characterized in that: initial stage catch pit (11) and permanent catch pit (7) are the steel pipe that diameter is 1～1.5m, on steel pipe, offer the infiltration hole, and on collecting well (13), be wound with the drainage geotextiles or around it, be provided with sandstone drainage layer (12).
6. the discharge structure of sloping field type dry red mud disposal according to claim 5 is characterized in that: the sandstone drainage layer (12) that is laid on impervious barrier (6) top be wrapped in initial stage catch pit (11) and be connected with drainage geotextiles on the permanent catch pit (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007202007068U CN201080614Y (en) | 2007-07-25 | 2007-07-25 | Slope type dry method red mud storage yard water drainage structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007202007068U CN201080614Y (en) | 2007-07-25 | 2007-07-25 | Slope type dry method red mud storage yard water drainage structure |
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| Publication Number | Publication Date |
|---|---|
| CN201080614Y true CN201080614Y (en) | 2008-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007202007068U Expired - Lifetime CN201080614Y (en) | 2007-07-25 | 2007-07-25 | Slope type dry method red mud storage yard water drainage structure |
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| CN (1) | CN201080614Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851926A (en) * | 2010-06-23 | 2010-10-06 | 贵阳铝镁设计研究院 | Method for carrying out dry-method capacity expansion in mountainside wet-process red mud disposal site |
| CN104179167A (en) * | 2013-05-21 | 2014-12-03 | 贵阳铝镁设计研究院有限公司 | Method and structure for pond closure of ash storage yard |
| CN112982612A (en) * | 2021-03-02 | 2021-06-18 | 金建工程设计有限公司 | Flat-ground red mud disposal site and discharge method thereof |
-
2007
- 2007-07-25 CN CNU2007202007068U patent/CN201080614Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851926A (en) * | 2010-06-23 | 2010-10-06 | 贵阳铝镁设计研究院 | Method for carrying out dry-method capacity expansion in mountainside wet-process red mud disposal site |
| CN101851926B (en) * | 2010-06-23 | 2014-03-12 | 贵阳铝镁设计研究院有限公司 | Method for carrying out dry-method capacity expansion in mountainside wet-process red mud disposal site |
| CN104179167A (en) * | 2013-05-21 | 2014-12-03 | 贵阳铝镁设计研究院有限公司 | Method and structure for pond closure of ash storage yard |
| CN104179167B (en) * | 2013-05-21 | 2016-02-10 | 贵阳铝镁设计研究院有限公司 | A kind of lime-ash stockyard close storehouse method and structure |
| CN112982612A (en) * | 2021-03-02 | 2021-06-18 | 金建工程设计有限公司 | Flat-ground red mud disposal site and discharge method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUIYANG ALUMINUM AND MAGNESIUM DESIGN INSTITUTE CO Free format text: FORMER OWNER: GUIYANG ALUMINIUM AND MAGNESIUM DESIGN INST. Effective date: 20110607 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 550004 NO. 208, BEIJING ROAD, GUIYANG CITY, GUIZHOU PROVINCE TO: 550081 NO.2, JINZHU ROAD, JINYANG NEW DISTRICT, GUIYANG CITY, GUIZHOU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110607 Address after: 550081 Guiyang Province, Jinyang New District, Zhu Zhu Road, No. 2 Patentee after: Guiyang Aluminum & Magnesium Design Institute Co., Ltd. Address before: 550004 No. 208, Beijing Road, Guiyang, Guizhou Patentee before: Guiyang Aluminium and Magnesium Design Inst. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20080702 Effective date of abandoning: 20070725 |