CN111603811B - Feeding box for thickener and using method thereof - Google Patents
Feeding box for thickener and using method thereof Download PDFInfo
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- CN111603811B CN111603811B CN202010620598.XA CN202010620598A CN111603811B CN 111603811 B CN111603811 B CN 111603811B CN 202010620598 A CN202010620598 A CN 202010620598A CN 111603811 B CN111603811 B CN 111603811B
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- feeding
- barrel
- feed
- thickener
- flocculation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2405—Feed mechanisms for settling tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
- B01D21/0042—Baffles or guide plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention discloses a feeding box for a thickener and a use method thereof, wherein the feeding box comprises a feeding barrel, a feeding pipe and a flocculant adding pipe inserted in the feeding barrel, the feeding barrel is divided into a feeding dilution zone, a flocculation mixing zone and a flocculation unloading zone from top to bottom, the feeding pipe is communicated with the feeding barrel of the feeding dilution zone along the tangential direction, an annular guide plate and a plurality of energy dissipation vertical plates are arranged in the feeding barrel of the flocculation mixing zone from top to bottom, a plurality of adding holes are arranged on the flocculant adding pipe between the annular guide plate and the energy dissipation vertical plates, a convergent guide section is arranged at the bottom of the feeding barrel, and an opening at the bottom of the guide section is arranged in the flocculation unloading zone. The feeding pipe is arranged in the feeding dilution zone of the feeding barrel, the adding hole is arranged in the flocculation mixing zone of the feeding barrel, the annular guide plate is arranged in the feeding dilution zone and the flocculation mixing zone for blocking, the tail sand primary pulp dilution and the flocculation reaction segmented completion are realized, and the dilution and flocculation reaction flow is not overlapped; the dilution and flocculation reactions are non-intersecting.
Description
Technical Field
The invention relates to the technical field of mine solid waste filling, in particular to a feeding box for a thickener and a using method thereof.
Background
The thickener is a solid-liquid separation device based on the gravity sedimentation principle, which concentrates thinner ore pulp into thicker ore pulp by means of the dead weight of fine materials and the action of flocculating agents. The thickener is widely applied to the fields of mines, chemical industry, coal, smelting and the like, and can be used for filling mine tailings. The thickener is generally provided with a feeding cylinder for feeding, and the feeding cylinder plays roles of mixing flocculant and dispersing ore pulp and is considered as a key component of the thickener. The conventional feeding cylinder is a cylinder extending into the thickener, ore pulp is radially fed into the cylinder, and flows into the thickener in disorder through the discharging pipe.
During long-term practice, we found that the following problems are common with the feed cylinders of existing thickeners:
1. the flocculant and ore pulp synchronously enter a cylinder to flocculate the tailings, and dilution water overflowed in a thickener is directly fed into the tailings flocs, so that the tailings slurry is subjected to flocculation reaction and then diluted, the tailings flocs are damaged, and the sedimentation speed is low; part of the fine fraction is separated, resulting in overflow run-out; the high-concentration tailing slurry is not diluted, and is directly subjected to flocculation reaction, so that the flocculant consumption is high, and the flocculation sedimentation effect is poor.
2. Dilution water overflowed in the thickener and flocculant are directly fed from the top of the cylinder, so that tailing slurry is diluted and flocculation reaction is crossed, and the flocculation effect is poor.
3. The flocculant is added into the cylinder at a single point, so that the flocculant cannot be fully mixed with tailing pulp in the cylinder, and the flocculation sedimentation effect of the tailing pulp is poor.
4. The existing feeding barrel has the defects of uneven mixing of ore pulp and flocculant and the like, so that the underflow concentration of a thickener is low and the continuity is poor.
5. Pulp is fed along the radial direction, vortex of solid-liquid separation in a feeding barrel is broken up, distribution is disordered, separation effect and sedimentation time are difficult to ensure, and solid-liquid separation efficiency is low.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art and providing a feeding box for a thickener, which has no cross-over and better flocculation sedimentation effect in the dilution and flocculation reaction, and a use method thereof.
The invention provides a feeding box for a thickener, which comprises a feeding barrel, a feeding pipe and a flocculating agent adding pipe inserted in the feeding barrel, wherein the feeding barrel is divided into a feeding dilution zone, a flocculation mixing zone and a flocculation discharging zone from top to bottom, the feeding pipe is communicated with the feeding barrel of the feeding dilution zone along the tangential direction, an annular guide plate and a plurality of energy dissipation vertical plates are arranged in the feeding barrel of the flocculation mixing zone from top to bottom, a plurality of adding holes are arranged on the flocculating agent adding pipe between the annular guide plate and the energy dissipation vertical plates, a convergent material guiding section is connected at the bottom of the feeding barrel, and an opening at the bottom of the material guiding section is arranged in the flocculation discharging zone.
In order to facilitate the uniform inflow of dilution water, a saw-tooth weir is arranged at the top of the feeding barrel.
In order to prevent slurry in the feeding barrel from overflowing to the outer side of the feeding barrel through the saw-tooth weir to cause overflow water to run out, a dilution water check plate which is arranged along the circumferential direction of the feeding barrel is arranged in the feeding barrel above the feeding pipe and is obliquely arranged below the center of the feeding barrel
In order to prevent the tail sand slurry from rising out of the feed barrel under the action of pumping force and causing the running and muddy of the clarified water in the thickener body, an isolation inner barrel is sleeved in a gap in the feed barrel above the dilution water check plate, and the top surface of the isolation inner barrel is higher than the arrangement of the saw-tooth weir.
In order to further forcedly homogenize the tailing diluted slurry and the flocculant, the flocculant adding pipe comprises a straight pipe section and a conical section which are arranged in an up-down communication way, the straight pipe Duan Bu is arranged at the axis of the feeding barrel, the conical section is arranged between the annular guide plate and the energy dissipation vertical plate, and the adding holes are uniformly distributed on the circumference of the bottom of the conical section.
In order to further carry out forced homogenization on the tailing diluted slurry and the flocculant, the periphery of the conical section is provided with paddles, and the conical section can rotate around the axis of the straight pipe section to forcedly homogenize the diluted slurry and the flocculant.
In order to disperse the tailing flocs in the feeding barrel around the thickener body, the feeding barrel further comprises a conical discharge disc arranged below the material guiding section, and the conical surface of the conical discharge disc and the bottom surface of the material guiding section are arranged in an up-down gap mode to form a circumferential floc discharge opening.
In order to make the unloading of the feed bin more uniform, a plurality of distributing plates are annularly and uniformly distributed on the conical surface of the conical unloading disc.
The energy dissipation risers are annularly arranged around the axis of the feed bin, each energy dissipation riser is radially arranged along the feed bin, and the included angle between the vertical face where the energy dissipation riser is positioned and the horizontal plane is 45-90 degrees.
The application method of the feeding box for the thickener provided by the invention comprises the following steps:
s1, erecting a feed barrel in a thickener body and ensuring that clarified water in the thickener body can enter the feed barrel beyond the top of the feed barrel;
s2, injecting the tailings primary pulp into a feeding dilution zone of a feeding barrel through a feeding pipe, enabling clarified water in the thickener body to enter the feeding barrel from the top of the feeding barrel as dilution water, and mixing and homogenizing the tailings primary pulp and the dilution water in the feeding dilution zone under the blocking effect of an annular guide plate;
s3, after the diluted tailing slurry is settled to a flocculation mixing area under the action of dead weight, adding flocculating agents to the flocculation mixing area at multiple points through a flocculating agent adding pipe, and homogenizing the diluted tailing slurry and the flocculating agents to form a flocculation tailing ball;
s4, the flocculated tail sand clusters are firstly and uniformly sunk into a flocculated cluster discharging area through an energy dissipation vertical plate, and then are gathered to the middle part through a material guiding section to be converged, homogenized and discharged.
Compared with the prior art, the invention has the following advantages:
1. the feeding pipe is arranged in a feeding dilution zone of the feeding barrel, the adding hole is arranged in a flocculation mixing zone of the feeding barrel, the annular guide plate is arranged in the feeding dilution zone and the flocculation mixing zone for blocking, the tail sand primary pulp dilution and flocculation reaction sectional completion are realized, and the dilution and flocculation reaction flow is non-overlapped.
2. The tailing slurry dilution and flocculation reaction do not cross, so that the tailing slurry is diluted and flocculated, a flocculation tailing group is sunk to an energy dissipation riser, and the diluted tailing slurry flocculation group is dispersed again without disturbance, thereby being beneficial to improving the flocculation sedimentation efficiency.
3. The flocculant is added into the flocculation mixing area through the adding pipe in a multi-point manner, so that the full mixing of the tail mortar and the flocculant can be realized, and the flocculation sedimentation effect of the tail mortar is improved.
4. The convergent material guiding section can further increase the aggregation homogenization of flocculation groups, which is beneficial to improving flocculation sedimentation efficiency.
5. The tailing magma is fed along the radial direction through the feeding pipe, the vortex of solid-liquid separation in the feeding dilution zone is not scattered, the separation effect and the sedimentation time are ensured, and the solid-liquid separation efficiency is high.
According to the invention, the space in the feed barrel is partitioned, so that the dilution and flocculation reaction are completed in sections, the flocculation sedimentation efficiency is better, and the tailing treatment capacity is higher.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic diagram of the structure of the direction a in fig. 1.
FIG. 3 is a schematic diagram of the structure at B-B in FIG. 1.
FIG. 4 is a schematic view of the structure at C-C in FIG. 1.
The labels shown in the figures and the corresponding component names are:
1. a feed barrel; 11. a feed dilution zone; 12. a flocculation mixing zone; 13. a flocculation mixing zone; 14. a material guiding section; 15. saw-tooth weirs; 16. hanging lugs; 17. a conical discharge tray; 18. a circumferential flock discharge opening; 19. a material distribution plate; 171. a connecting rod;
2. a feed pipe;
3. a flocculant adding pipe; 31. adding a hole; 32. a straight pipe section; 33. a conical section; 34. a paddle;
4. an annular deflector;
5. energy dissipation risers;
6. a dilution water check plate;
7. isolating the inner barrel.
Detailed Description
As can be seen from fig. 1 to 4, the feeding box for a thickener of the present invention comprises a feeding barrel 1, a feeding pipe 2, a flocculant adding pipe 3, an annular deflector 4 and an energy dissipating riser 5,
the inner part of the feed barrel 1 is provided with a feed dilution zone 11, a flocculation mixing zone 12 and a flocculation unloading zone 13 which are sequentially communicated from top to bottom, the bottom of the feed barrel 1 is connected with a convergent material guiding section 14, and an opening at the bottom of the material guiding section 14 is arranged in the flocculation unloading zone 13; the top of the feeding barrel 1 is provided with a saw-tooth weir 15, the feeding barrel 1 is hoisted in the thickener body through a hanging lug 16 arranged on the outer wall of the feeding barrel, and the saw-tooth weir 15 is positioned in a clarification area of the thickener body;
the feeding pipe 2 is communicated and arranged on the feeding barrel 1 at the lower part of the feeding dilution zone 11 along the tangential direction;
the annular deflector 4 is fixedly connected in the feed barrel 1 at the upper part of the flocculation mixing zone 12,
the flocculant adding pipe 3 comprises a straight pipe section 32 and a conical section 33, the straight pipe section 32 is arranged at the axis of the feed barrel 1, the conical section 33 is connected to the bottom of the straight pipe section 32 through a bearing, the conical section 33 can rotate around the axis of the straight pipe section 32, the conical section 33 is communicated with the straight pipe section 32, a plurality of adding holes 31 are uniformly distributed at the bottom of the conical section 33 along the circumferential direction of the feed barrel 1, the adding holes 31 are arranged in a flocculation mixing zone 12 below the annular guide plate 4, and paddles 34 radially arranged along the feed barrel 1 are arranged on the conical section 33 between adjacent adding holes 31;
a plurality of energy dissipation risers 5 are annularly arranged in a flocculation mixing area 12 below the adding holes 31 around the axis of the feeding barrel 1, each energy dissipation riser 5 is radially arranged along the feeding barrel 1, and the included angle between the vertical face where the energy dissipation riser 5 is positioned and the horizontal plane is 45-90 degrees.
As can be seen from fig. 1 and 2, the invention further comprises a dilution water non-return plate 6 and an isolation inner barrel 7, wherein the dilution water non-return plate 6 is welded in the feed barrel 1 above the feed pipe 2 along the circumferential direction of the feed barrel 1, the cross section of the dilution water non-return plate 6 is obliquely arranged towards the lower part of the center of the feed barrel 1, and the overflow water is prevented from being mixed by overflowing the slurry in the feed barrel 1 to the outer side of the feed barrel 1 through a saw-tooth weir 15; the inner isolation barrel 7 is sleeved in the feeding barrel 1 above the dilution water check plate 6 in a clearance way, and the top surface of the inner isolation barrel 7 is higher than the saw-tooth weir 15 and is used for preventing tail sand slurry from rising out of the feeding barrel 1 under the action of pumping force to cause the running and mixing of the clarified water in the thickener body.
As can be seen from fig. 1 and 4, the feed tank 1 in the present invention further comprises a conical discharge tray 17, the conical discharge tray 17 is fixedly connected with the energy dissipation vertical plate 5 through a connecting rod 171 and is arranged below the guide section 14, the conical discharge tray 17 is coaxially arranged with the feed tank 1, the diameter of the bottom surface of the conical discharge tray 17 is larger than that of the bottom surface of the guide section 14, the conical surface of the conical discharge tray 17 and the bottom surface of the guide section 14 are arranged in an up-down clearance manner to form a circumferential floc discharge opening 18, and the circumferential floc discharge opening 18 is arranged in the floc discharge area 13 of the feed tank 1; a plurality of distributing plates 19 which uniformly discharge the tailing flocs to the periphery of the feed barrel 1 are uniformly distributed on the conical surface of the conical discharge disc 17 in an annular mode.
The using method of the feeding box for the thickener comprises the following steps:
s1, erecting a feed barrel 1 in a thickener body, so as to ensure that clarified water in the thickener body can enter the feed barrel 1 beyond a saw-tooth weir 15, and the top surface of an isolated inner barrel 7 is higher than the top surface of the thickener body;
s2, injecting the tailings raw slurry into a feeding dilution zone 11 of the feeding barrel 1 along the tangential direction through a feeding pipe 2, enabling clarified water in the thickener body to serve as dilution water to enter the feeding barrel 1 through a sawtooth weir 15, and mixing and homogenizing the tailings raw slurry and the dilution water in the feeding dilution zone 11 through the incoming kinetic energy of the tailings raw slurry; under the blocking effect of the annular guide plate 4, the tailing magma and the dilution water cannot sink to the flocculation mixing area 12 immediately;
s3, after the slurry is diluted to the optimal concentration of flocculation sedimentation, the diluted tailing slurry is settled to a flocculation mixing area 12 under the action of dead weight; adding flocculating agents into the flocculation mixing area 12 at multiple points through a flocculating agent adding pipe 3, and homogenizing the diluted tailing slurry and the flocculating agents in the flocculation mixing area 12 to form a flocculation tailing ball by utilizing turbulent residual energy after the tailing slurry is diluted;
s4, the flocculated tail sand clusters are firstly and uniformly sunk to a flocculated cluster discharging area 13 through an energy dissipation vertical plate 5, are collected to the middle part through a material guiding section 14 to be converged and homogenized, and are finally discharged into a thickener body along a circumferential flocculated cluster discharging opening 18 through a conical discharging disc 17.
Claims (10)
1. The utility model provides a thickener is with feeding case, includes feedwell (1), feed pipe (2) and cartridge flocculant adds pipe (3) in the feedwell, its characterized in that: the utility model discloses a flocculation mixing device, including the material feeding barrel, the material feeding barrel is divided into feeding dilution district (11), flocculation mixing district (12) and flocculation discharging area (13) from top to bottom, and the feed pipe is arranged on the material feeding barrel of feeding dilution district along tangential direction intercommunication, from top to bottom arranged annular deflector (4) and a plurality of energy dissipation riser (5) in the material feeding barrel of flocculation mixing district, has arranged several interpolation hole (31) on the flocculant interpolation pipe between annular deflector and energy dissipation riser, is equipped with binding off form guide section (14) in the material feeding barrel bottom, and guide section bottom opening is arranged in flocculation discharging area.
2. The thickener feed box of claim 1, wherein: the top of the feeding barrel is provided with a saw-tooth weir (15).
3. The thickener feed box as claimed in claim 2, wherein: a dilution water check plate (6) arranged along the circumference of the feed barrel is arranged in the feed barrel above the feed pipe, and the dilution water check plate is obliquely arranged below the center of the feed barrel.
4. A thickener feed box according to claim 3, wherein: an isolation inner barrel (7) is sleeved in the inner gap of the feeding barrel above the dilution water check plate, and the top surface of the isolation inner barrel is higher than the saw-tooth weir.
5. The thickener feed box of claim 1, wherein: the flocculant adding pipe comprises a straight pipe section (32) and a conical section (33) which are arranged in an up-down communication mode, the straight pipe Duan Bu is arranged at the axis of the feed bin, the conical section is arranged between the annular guide plate and the energy dissipation vertical plate, and the adding holes are uniformly distributed on the circumference of the bottom of the conical section.
6. The thickener feed box of claim 5, wherein: the periphery of the conical section is provided with paddles (34), and the conical section can rotate around the axis of the straight pipe section.
7. The thickener feed box of claim 1, wherein: the feeding barrel also comprises a conical discharge disc (17) arranged below the material guiding section, and the conical surface of the conical discharge disc and the bottom surface of the material guiding section are arranged in an up-down clearance manner to form a circumferential floc discharge opening (18).
8. The thickener feed box of claim 7, wherein: a plurality of distributing plates (19) are annularly and uniformly distributed on the conical surface of the conical discharging plate.
9. The thickener feed box of claim 1, wherein: the energy dissipation risers are annularly arranged around the axis of the feed bin, each energy dissipation riser is radially arranged along the feed bin, and the included angle between the vertical face where the energy dissipation riser is positioned and the horizontal plane is 45-90 degrees.
10. A method of using a feed box for a thickener according to any of claims 1 to 9, comprising the steps of:
s1, erecting a feed barrel (1) in a thickener body and ensuring that clarified water in the thickener body can enter the feed barrel beyond the top of the feed barrel;
s2, injecting the tailings raw slurry into a feeding dilution zone (11) of a feed barrel (1) through a feed pipe (2), taking clarified water in a thickener body as dilution water to enter the feed barrel from the top of the feed barrel (1), and mixing and homogenizing the tailings raw slurry with the dilution water in the feeding dilution zone under the blocking action of an annular guide plate (4);
s3, after the diluted tailing slurry is settled to a flocculation mixing area (12) under the action of dead weight, adding flocculating agents into the flocculation mixing area at multiple points through a flocculating agent adding pipe (3), and homogenizing the diluted tailing slurry and the flocculating agents to form flocculated tailing clusters;
s4, the flocculated tail sand clusters are firstly and uniformly sunk to a flocculated cluster discharging area (13) through an energy dissipation vertical plate (5), and then are gathered to the middle part through a material guiding section (14) to be converged, homogenized and discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010620598.XA CN111603811B (en) | 2020-07-01 | 2020-07-01 | Feeding box for thickener and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010620598.XA CN111603811B (en) | 2020-07-01 | 2020-07-01 | Feeding box for thickener and using method thereof |
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| Publication Number | Publication Date |
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| CN111603811A CN111603811A (en) | 2020-09-01 |
| CN111603811B true CN111603811B (en) | 2023-06-30 |
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| CN202010620598.XA Active CN111603811B (en) | 2020-07-01 | 2020-07-01 | Feeding box for thickener and using method thereof |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB634226A (en) * | 1947-06-16 | 1950-03-15 | Constantine Drigenko | Improvements in settling tanks commonly called sand cones |
| US4054514A (en) * | 1974-09-05 | 1977-10-18 | Dorr-Oliver Incorporated | Sedimentation apparatus with flocculating feed well |
| CN87103513A (en) * | 1987-05-16 | 1988-12-21 | 核工业部北京第五研究所 | Be used for the low bed layer high-efficient washing tower and the application thereof of slip |
| US6334952B1 (en) * | 1999-05-31 | 2002-01-01 | Sumitomo Heavy Industries, Ltd. | Coagulating sedimentation apparatus |
| JP2003190711A (en) * | 2001-12-26 | 2003-07-08 | Kuraray Engineering Co Ltd | Flocculation/concentration apparatus for fine particles and flocculation/concentration method |
| FR2867393A1 (en) * | 2004-03-11 | 2005-09-16 | Gerard Millote | Assembly to clarify and decant a suspension, e.g. industrial effluents, has a cylinder mantle with a lower conical taper towards the base and a compacted immersed center section to carry out separated sludge at the bottom |
| CN1816376A (en) * | 2003-05-22 | 2006-08-09 | 株式会社荏原制作所 | Flocculaing settling device |
| CN203030052U (en) * | 2013-01-18 | 2013-07-03 | 淮北市一环矿山机械有限公司 | Material distribution device of central transmission thickener |
| CN107261574A (en) * | 2017-06-30 | 2017-10-20 | 云南三环中化化肥有限公司 | Ore pulp automatic dilution concentrator |
| CN108187375A (en) * | 2018-03-08 | 2018-06-22 | 云南驰宏锌锗股份有限公司 | A kind of depth cone concentrator long-period stable operation control system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2594182A1 (en) * | 2007-07-16 | 2009-01-16 | Rj Oil Sands Inc. | Hydrocarbon recovery using a jet pump |
| CA2711136C (en) * | 2010-08-17 | 2012-05-29 | Imperial Oil Resources Limited | Feed delivery system for a solid-liquid separation vessel |
-
2020
- 2020-07-01 CN CN202010620598.XA patent/CN111603811B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB634226A (en) * | 1947-06-16 | 1950-03-15 | Constantine Drigenko | Improvements in settling tanks commonly called sand cones |
| US4054514A (en) * | 1974-09-05 | 1977-10-18 | Dorr-Oliver Incorporated | Sedimentation apparatus with flocculating feed well |
| CN87103513A (en) * | 1987-05-16 | 1988-12-21 | 核工业部北京第五研究所 | Be used for the low bed layer high-efficient washing tower and the application thereof of slip |
| US6334952B1 (en) * | 1999-05-31 | 2002-01-01 | Sumitomo Heavy Industries, Ltd. | Coagulating sedimentation apparatus |
| JP2003190711A (en) * | 2001-12-26 | 2003-07-08 | Kuraray Engineering Co Ltd | Flocculation/concentration apparatus for fine particles and flocculation/concentration method |
| CN1816376A (en) * | 2003-05-22 | 2006-08-09 | 株式会社荏原制作所 | Flocculaing settling device |
| FR2867393A1 (en) * | 2004-03-11 | 2005-09-16 | Gerard Millote | Assembly to clarify and decant a suspension, e.g. industrial effluents, has a cylinder mantle with a lower conical taper towards the base and a compacted immersed center section to carry out separated sludge at the bottom |
| CN203030052U (en) * | 2013-01-18 | 2013-07-03 | 淮北市一环矿山机械有限公司 | Material distribution device of central transmission thickener |
| CN107261574A (en) * | 2017-06-30 | 2017-10-20 | 云南三环中化化肥有限公司 | Ore pulp automatic dilution concentrator |
| CN108187375A (en) * | 2018-03-08 | 2018-06-22 | 云南驰宏锌锗股份有限公司 | A kind of depth cone concentrator long-period stable operation control system |
Non-Patent Citations (2)
| Title |
|---|
| 絮凝和稀释对尾矿沉降性能的影响及工程建议;王勇;吴爱祥;王洪江;周勃;;武汉理工大学学报(09);全文 * |
| 红土镍矿湿法冶炼中CCD浓密机溢流跑浑影响因素分析;孙宁磊;丁剑;李勇;刘苏宁;林洁媛;刘诚;;中国有色冶金(02);全文 * |
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