CN102258888A - Method and device for separating and washing fly ash acidic slag by using settling tank - Google Patents
Method and device for separating and washing fly ash acidic slag by using settling tank Download PDFInfo
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- CN102258888A CN102258888A CN 201110104202 CN201110104202A CN102258888A CN 102258888 A CN102258888 A CN 102258888A CN 201110104202 CN201110104202 CN 201110104202 CN 201110104202 A CN201110104202 A CN 201110104202A CN 102258888 A CN102258888 A CN 102258888A
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- subsider
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- 238000005406 washing Methods 0.000 title claims abstract description 98
- 239000010881 fly ash Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000002893 slag Substances 0.000 title abstract description 13
- 230000002378 acidificating effect Effects 0.000 title abstract 4
- 230000004087 circulation Effects 0.000 claims abstract description 44
- 238000000926 separation method Methods 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 239000002253 acid Substances 0.000 claims abstract description 10
- 238000010790 dilution Methods 0.000 claims description 39
- 239000012895 dilution Substances 0.000 claims description 39
- 238000004062 sedimentation Methods 0.000 claims description 24
- 239000000243 solution Substances 0.000 claims description 24
- 238000004140 cleaning Methods 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000000151 deposition Methods 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
- 239000011707 mineral Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- QPILZZVXGUNELN-UHFFFAOYSA-N sodium;4-amino-5-hydroxynaphthalene-2,7-disulfonic acid Chemical compound [Na+].OS(=O)(=O)C1=CC(O)=C2C(N)=CC(S(O)(=O)=O)=CC2=C1 QPILZZVXGUNELN-UHFFFAOYSA-N 0.000 claims 10
- 230000000694 effects Effects 0.000 abstract description 6
- 239000007787 solid Substances 0.000 abstract description 4
- QPILZZVXGUNELN-UHFFFAOYSA-M sodium;4-amino-5-hydroxynaphthalene-2,7-disulfonate;hydron Chemical compound [Na+].OS(=O)(=O)C1=CC(O)=C2C(N)=CC(S([O-])(=O)=O)=CC2=C1 QPILZZVXGUNELN-UHFFFAOYSA-M 0.000 description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000010883 coal ash Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 210000000582 semen Anatomy 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HUAUNKAZQWMVFY-UHFFFAOYSA-M sodium;oxocalcium;hydroxide Chemical compound [OH-].[Na+].[Ca]=O HUAUNKAZQWMVFY-UHFFFAOYSA-M 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention relates to a method and a device for separating and washing fly ash acidic slag by using a settling tank. The method comprises a step of separating and settling with partial overflowing circulation and a step of two/multiple-stage circulating washing and settling. The device comprises a separating and settling mechanism and a two/multiple-stage circulating washing and settling mechanism. When the method and the device are used, the effect of the separation of the acidic slag can be improved obviously; the acid content in liquid absorbed by acidic slag is well reduced, so the emission requirement is well met; and the solid content in a settling bottom flow is high.
Description
Technical field
The present invention relates to the method and apparatus of a kind of separation and cleanser coal ash acid molten slag, particularly relate to a kind of fly ash acid solution residue settling tank separation and washing method and device.
Background technology
It is the of paramount importance a kind of mode of total utilization of PCA that flyash extracts aluminium oxide, and this not only can administer plant residue, can also bring economic benefit, environmental benefit and social benefit simultaneously, therefore is subjected to paying close attention to widely.Flyash production method of alumina mainly concentrates on sintering process (lime sinter process, soda lime sintering process), alkaline leaching (sodium hydroxide solution molten silicon is earlier carried aluminium again) and acid system (salt acid system, sulfuric acid process) at present.At flyash hydrochloric acid legal system get aluminium oxide after the separating washing technology of sour molten slag, still do not have this kind technology and process equipment at present both at home and abroad, the present invention has filled up the blank in this field.
Summary of the invention
The objective of the invention is to, overcome the defective of above-mentioned prior art and provide a kind of and can effectively separate and the sour molten slag of cleanser coal ash and then the fly ash acid solution residue settling tank separation and washing method and the device that obtain qualified thick liquid and satisfy the sour molten slag of storing up emission request
For achieving the above object, the present invention takes following design:
A kind of fly ash acid solution residue settling tank separation and washing method, described method comprises separate and subside step and the two-stage or the above circulation cleaning precipitation step of two-stage of part overflow circulation, described method also comprises the steps: a, the dilution ore pulp after the flyash acid stripping dilution is delivered to separation tank separates, after the overflow of described separation tank flows into and separates overflow launder, the overflow circulation of part enters separation tank, and the underflow after the sedimentation is delivered to described washing settling groove and carried out the circulation cleaning sedimentation; B, in described two-stage or the circulation cleaning precipitation step more than the two-stage, the corresponding levels are squeezed in the overflow portion ground circulation of washing settling groove at the corresponding levels, and carry out circulation cleaning in the washing settling groove of squeezing into upper level that circulates to the overflow portion of washing settling groove at the corresponding levels, the underflow of washing settling groove at the corresponding levels is sent into and is carried out washing and depositing in the next stage washing settling groove.
Preferably, described washing and depositing step comprises the Pyatyi washing settling groove, feeds hot water in the final stage washing settling groove wherein.
Preferably, the overflow in the described separate and subside step of part is sent into the controlled filter system as thick liquid.
Preferably, in described washing and depositing step, stripping workshop dilution dissolved mineral slurry is sent in the part overflow of once washing subsider.
Particularly, the dilution ore pulp after the flyash acid stripping dilution is delivered to separation tank and is separated, and described separation tank is preferably and separates efficient deep-cone settling groove, simultaneously, the overflow portion of subsider at the corresponding levels is played circulation, consolidating of subsider charging contained dilution, and add flocculant; Realize the Separation of Solid and Liquid of solution and acid sludge in groove by the gravity effect, the overflow portion after the separation is as outside the dilution, and remaining overflow is sent to controlled filter as thick liquid and filtered seminal fluid.Underflow after the separation washs with being pumped to washing settling groove.
After the circulation overflow that subsider is washed in the overflow and that the underflow of separation tank and two is washed subsider mixes, enter one and wash subsider, in groove, realize the Separation of Solid and Liquid of solution and acid sludge by the gravity effect, overflow portion after the separation is played circulation as outside the dilution, and stripping workshop dilution dissolved mineral slurry is delivered in remaining overflow.Underflow after the separation is washed subsider and is washed with being pumped to two.
After the circulation overflow that subsider is washed in the overflow and two that one underflow and three of washing subsider is washed subsider mixes, enter two and wash subsider, in groove, realize the Separation of Solid and Liquid of solution and acid sludge by the gravity effect, overflow portion after the separation is played circulation as outside the dilution, and the one-level sink is served in remaining overflow.Underflow after the separation is washed subsider and is washed with being pumped to two.The present invention acid molten slag is through behind five counter flow washings, and five underflows of washing subsider send subsequent processing, and hot water adds five as wash water and washes in the subsider.
Another object of the present invention provides a kind of fly ash acid solution residue settling tank separating, washing device, comprise the circulation cleaning sedimentation mechanism that separate and subside mechanism and two-stage or two-stage are above, wherein: the separating underflow pump that described separate and subside mechanism comprises separation tank, separate overflow launder, link to each other with described separation tank, separate overflow launder links to each other separate dilution pumps and separate flood pump with described, described separating underflow pump is connected with an inlet of washing subsider of described circulation cleaning sedimentation mechanism; Every grade of described circulation cleaning sedimentation mechanism comprises subsider, overflow launder, the underflow pump that links to each other with described subsider, the dilution pumps and the flood pump that link to each other with described overflow launder, wherein said washing dilution pumps is connected with the washing settling groove inlet of the corresponding levels, washing flood pump at the corresponding levels is connected with the washing settling groove of upper level inlet or leads to outside processing apparatus, and washing underflow pump at the corresponding levels is connected with the washing settling groove of next stage inlet or leads to outside processing apparatus.
Preferably, described device comprises Pyatyi circulation cleaning sedimentation mechanism.
Particularly, in described Pyatyi circulation cleaning sedimentation mechanism, one washes one of subsider washes underflow pump and three and washes three of subsider and wash flood pump and two and wash the inlet of subsider and be connected, simultaneously two wash two of overflow launder and wash dilution pumps and also be connected with two inlets of washing subsider, two wash underflow pump and three washes the inlet of subsider and is connected, and two wash flood pump also is connected with an inlet of washing subsider.
Preferably, two wash two of subsider washes underflow pump and four and washes four of subsider and wash flood pump and three and wash the inlet of subsider and be connected, simultaneously three wash three of overflow launder and wash dilution pumps and also be connected with three inlets of washing subsider, three wash underflow pump and four washes the inlet of subsider and is connected, and three wash flood pump also is connected with two inlets of washing subsider.
Preferably, three wash three of subsider washes underflow pump and five and washes five of subsider and wash flood pump and four and wash the inlet of subsider and be connected, simultaneously four wash four of overflow launder and wash dilution pumps and also be connected with four inlets of washing subsider, four wash the underflow pump also is connected with five inlets of washing subsider, and four wash flood pump also is connected with three inlets that fall groove of giving a dinner of welcome.
Preferably, also comprise hot-water line, four wash four of subsider washes underflow pump and hot-water line and five and washes the inlet of subsider and be connected, simultaneously five wash five of overflow launder and wash dilution pumps and also be connected with five inlets of washing subsider, five wash the underflow pump is connected with the device of subsequent processing, and five wash flood pump and four washes the inlet of subsider and be connected.
Advantage of the present invention is:
1. can significantly improve the separating effect of sour molten slag, it only is 200mg/L that the overflow of subsider contains admittedly;
2. can well reduce containing of sour molten slag attached liquid of sour rate, contain sour rate＜5g/L, thereby satisfy emission request;
3. the sedimentation underflow contains higherly admittedly, and the underflow of separation tank contains admittedly can reach 38～42%, and the underflow of last washing settling groove contains admittedly can reach 46～48%.
Description of drawings
Fig. 1 is structural representation of the present invention and process chart.
The specific embodiment
Referring to Fig. 1, the preferred embodiment of a kind of fly ash acid solution residue settling tank separating, washing of the present invention shown in it device comprises separate and subside mechanism and Pyatyi circulation cleaning sedimentation mechanism.In described Pyatyi circulation cleaning sedimentation mechanism, one washes one of subsider 6 washes underflow pump 8 and three and washes three of subsider 16 and wash flood pump 20 and two and wash the inlet of subsider 11 and be connected, simultaneously two wash two of overflow launder 12 and wash dilution pumps 14 and also be connected with two inlets of washing subsider 11, two wash underflow pump 13 and three washes the inlet of subsider 16 and is connected, and two wash flood pump 15 also is connected with an inlet of washing subsider 6.
Two wash two of subsider 11 washes underflow pump 13 and four and washes four of subsider 21 and wash flood pump 25 and three and wash the inlet of subsider 16 and be connected, simultaneously three wash three of overflow launder 17 and wash dilution pumps 19 and also be connected with three inlets of washing subsider 16, three wash underflow pump 18 and four washes the inlet of subsider 21 and is connected, and three wash flood pump 20 also is connected with two inlets of washing subsider 11.
Three wash three of subsider 16 washes underflow pump 18 and five and washes five of subsider 26 and wash flood pump 30 and four and wash the inlet of subsider 21 and be connected, simultaneously four wash four of overflow launder 22 and wash dilution pumps 24 and also be connected with four inlets of washing subsider 21, four wash underflow pump 23 also is connected with five inlets of washing subsider 26, and four wash flood pump 25 also is connected with three inlets that fall groove 16 of giving a dinner of welcome.
Also comprise hot-water line, four wash four of subsider 21 washes underflow pump 23 and hot-water line and five and washes the inlet of subsider 26 and be connected, simultaneously five wash five of overflow launder 27 and wash dilution pumps 29 and also be connected with five inlets of washing subsider 26, five wash underflow pump 28 is connected with the device of subsequent processing, and five wash flood pump 30 and four washes the inlet of subsider 21 and be connected.
Equally referring to Fig. 1, the preferred embodiment of a kind of fly ash acid solution residue settling tank separation and washing method of the present invention wherein also is shown, the course of work of technical solution of the present invention is described: in the present embodiment below in conjunction with apparatus and method of the present invention, the stripping dilution ore pulp that stripping comes enters separation tank 1, after the overflow of separation tank 1 simultaneously flow to and separates overflow launder 2, the part overflow is returned by separating dilution pumps 4 circulations again, underflow after the sedimentation is delivered to one by separating underflow pump 3 and is washed subsider 6, overflow portion is played circulation, and other thick liquid is delivered to the controlled filter system by separating flood pump 5.
The overflow that the underflow of separation tank 1 and two is washed subsider 11 is mixed into one and washes subsider 6, an overflow of washing subsider 6 simultaneously flow to one wash overflow launder 7 after, the part overflow is washed dilution pumps 9 circulations by one again and is returned, underflow after the sedimentation is washed underflow pump 8 with one and is delivered to two and wash subsider 11, overflow portion is played circulation, and other overflow is washed flood pump 10 with one and delivered to stripping do dilution usefulness.
The overflow that one underflow and three of washing subsider 6 is washed subsider 16 is mixed into two and washes subsider 11, two overflows of washing subsider 11 simultaneously flow to two wash overflow launder 12 after, the part overflow is washed dilution pumps 14 circulations by two again and is returned, underflow after the sedimentation is washed underflow pump 13 with two and is delivered to three and wash subsider 16, overflow portion is played circulation, and other overflow is washed flood pump 15 with two and delivered to one and wash subsider 6.
The overflow that two underflows and four of washing subsider 11 are washed subsider 21 is mixed into three and washes subsider 16, three overflows of washing subsider 16 simultaneously flow to three wash overflow launder 17 after, the part overflow is washed dilution pumps 19 circulations by three again and is returned, underflow after the sedimentation is washed underflow pump 18 with three and is delivered to four and wash subsider 21, overflow portion is played circulation, and other overflow is washed flood pump 20 with three and delivered to two and wash subsider 11.
The overflow that three underflows and five of washing subsider 16 are washed subsider 26 is mixed into four and washes subsider 21, four overflows of washing subsider 21 simultaneously flow to four wash overflow launder 22 after, the part overflow is washed dilution pumps 24 circulations by four again and is returned, underflow after the sedimentation is washed underflow pump 23 with four and is delivered to five and wash subsider 26, overflow portion is played circulation, and other overflow is washed flood pump 25 with four and delivered to five and wash subsider 16.
Four wash the underflow of subsider 21 and hot water is mixed into five and washes subsider 26, simultaneously five overflow portion of washing subsider 26 are washed dilution pumps 29 circulations by five and are returned, underflow after the sedimentation is washed underflow pump 28 with five and is delivered to subsequent processing, overflow portion is played circulation, and other overflow is washed flood pump 30 with five and delivered to four and wash subsider 21.
By fly ash acid solution residue settling tank separation and washing method of the present invention, can significantly improve the separating effect of sour molten slag, it only is 200mg/L that the overflow of subsider contains admittedly; Simultaneously, can also well reduce the sour rate that contains of sour molten slag attached liquid, contain sour rate＜5g/L, thereby satisfy emission request; Further, sedimentation underflow of the present invention contains higher admittedly, and the underflow of separation tank contains admittedly can reach 38～42%, and the underflow of last washing settling groove contains admittedly can reach 46～48%.
Obviously, those of ordinary skill in the art can constitute various types of separating washing technologies and equipment with a kind of fly ash acid solution residue settling tank separation and washing method of the present invention and device.
The foregoing description is only for the usefulness that the present invention is described; and be not to be limitation of the present invention; the those of ordinary skill in relevant technologies field; without departing from the present invention; can also make various variations and modification; therefore all technical schemes that are equal to also should belong to category of the present invention, and scope of patent protection of the present invention should be limited by each claim.
Claims (10)
1. fly ash acid solution residue settling tank separation and washing method is characterized in that: described method comprises separate and subside step and the two-stage or the above circulation cleaning precipitation step of two-stage of part overflow circulation, and described method also comprises the steps:
A, the dilution ore pulp after the flyash acid stripping dilution is delivered to separation tank separate, after the overflow of described separation tank flows into and separates overflow launder, the overflow circulation of part enters separation tank, and the underflow after the sedimentation is delivered to described washing settling groove and carried out the circulation cleaning sedimentation;
B, in described two-stage or the circulation cleaning precipitation step more than the two-stage, the corresponding levels are squeezed in the overflow portion ground circulation of washing settling groove at the corresponding levels, and carry out circulation cleaning in the washing settling groove of squeezing into upper level that circulates to the overflow portion of washing settling groove at the corresponding levels, the underflow of washing settling groove at the corresponding levels is sent into and is carried out washing and depositing in the next stage washing settling groove.
2. fly ash acid solution residue settling tank separation and washing method according to claim 1 is characterized in that: described washing and depositing step comprises the Pyatyi washing settling groove, feeds hot water in the final stage washing settling groove wherein.
3. fly ash acid solution residue settling tank separation and washing method according to claim 1 is characterized in that: the overflow in the described separate and subside step of part is sent into the controlled filter system as thick liquid.
4. fly ash acid solution residue settling tank separation and washing method according to claim 1 is characterized in that: in described washing and depositing step, stripping workshop dilution dissolved mineral slurry is sent in the part overflow of once washing subsider.
5. fly ash acid solution residue settling tank separating, washing device is characterized in that: comprise the circulation cleaning sedimentation mechanism that separate and subside mechanism and two-stage or two-stage are above, wherein:
The separating underflow pump (3) that described separate and subside mechanism comprises separation tank (1), separate overflow launder (2), link to each other with described separation tank (1), separate the continuous separation dilution pumps (4) of overflow launder (2) and separate flood pump (5) with described, described separating underflow pump (3) is connected with an inlet of washing subsider (6) of described circulation cleaning sedimentation mechanism;
Every grade of described circulation cleaning sedimentation mechanism comprises subsider, overflow launder, the underflow pump that links to each other with described subsider, the dilution pumps and the flood pump that link to each other with described overflow launder, wherein said washing dilution pumps is connected with the washing settling groove inlet of the corresponding levels, washing flood pump at the corresponding levels is connected with the washing settling groove of upper level inlet or leads to outside processing apparatus, and washing underflow pump at the corresponding levels is connected with the washing settling groove of next stage inlet or leads to outside processing apparatus.
6. fly ash acid solution residue settling tank separating, washing device according to claim 5 is characterized in that: described device comprises Pyatyi circulation cleaning sedimentation mechanism.
7. fly ash acid solution residue settling tank separating, washing device according to claim 6, it is characterized in that: in described Pyatyi circulation cleaning sedimentation mechanism, one washes one of subsider (6) washes underflow pump (8) and three and washes three of subsider (16) and wash flood pump (20) and two and wash the inlet of subsider (11) and be connected, simultaneously two wash two of overflow launder (12) and wash dilution pumps (14) and also be connected with two inlets of washing subsider (11), two wash underflow pump (13) and three washes the inlet of subsider (16) and is connected, and two wash flood pump (15) also is connected with an inlet of washing subsider (6).
8. fly ash acid solution residue settling tank separating, washing device according to claim 7, it is characterized in that: two wash two of subsider (11) washes underflow pump (13) and four and washes four of subsider (21) and wash flood pump (25) and three and wash the inlet of subsider (16) and be connected, simultaneously three wash three of overflow launder (17) and wash dilution pumps (19) and also be connected with three inlets of washing subsider (16), three wash underflow pump (18) and four washes the inlet of subsider (21) and is connected, and three wash flood pump (20) also is connected with two inlets of washing subsider (11).
9. fly ash acid solution residue settling tank separating, washing device according to claim 8, it is characterized in that: three wash three of subsider (16) washes underflow pump (18) and five and washes five of subsider (26) and wash flood pump (30) and four and wash the inlet of subsider (21) and be connected, simultaneously four wash four of overflow launder (22) and wash dilution pumps (24) and also be connected with four inlets of washing subsider (21), four wash underflow pump (23) also is connected with five inlets of washing subsider (26), and four wash flood pump (25) also is connected with three inlets that fall groove (16) of giving a dinner of welcome.
10. fly ash acid solution residue settling tank separating, washing device according to claim 9, it is characterized in that: also comprise hot-water line, four wash four of subsider (21) washes underflow pump (23) and hot-water line and five and washes the inlet of subsider (26) and be connected, simultaneously five wash five of overflow launder (27) and wash dilution pumps (29) and also be connected with five inlets of washing subsider (26), five wash underflow pump (28) is connected with the device of subsequent processing, and five wash flood pump (30) and four washes the inlet of subsider (21) and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101042027A CN102258888B (en) | 2010-04-27 | 2011-04-25 | Method and device for separating and washing fly ash acidic slag by using settling tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010161853.5 | 2010-04-27 | ||
| CN 201010161853 CN101870490A (en) | 2010-04-27 | 2010-04-27 | Fly ash acid solution residue settling tank separation and washing method and device |
| CN2011101042027A CN102258888B (en) | 2010-04-27 | 2011-04-25 | Method and device for separating and washing fly ash acidic slag by using settling tank |
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| Publication Number | Publication Date |
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| CN102258888A true CN102258888A (en) | 2011-11-30 |
| CN102258888B CN102258888B (en) | 2012-10-03 |
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| CN 201010161853 Pending CN101870490A (en) | 2010-04-27 | 2010-04-27 | Fly ash acid solution residue settling tank separation and washing method and device |
| CN2011101042027A Active CN102258888B (en) | 2010-04-27 | 2011-04-25 | Method and device for separating and washing fly ash acidic slag by using settling tank |
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| CN 201010161853 Pending CN101870490A (en) | 2010-04-27 | 2010-04-27 | Fly ash acid solution residue settling tank separation and washing method and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110025990A (en) * | 2018-05-31 | 2019-07-19 | 沈阳铝镁设计研究院有限公司 | A kind of subsider from dilution technique |
| CN110923447A (en) * | 2019-12-16 | 2020-03-27 | 江西思远再生资源有限公司 | Multistage countercurrent continuous washing method for superfine leaching residues |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104528785A (en) * | 2014-12-11 | 2015-04-22 | 广西华银铝业有限公司 | Method for improving settling separation performance of bauxite slurry |
| CN115282646A (en) * | 2022-08-25 | 2022-11-04 | 沈阳铝镁设计研究院有限公司 | Red mud settling separation washing process |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201658867U (en) * | 2010-04-27 | 2010-12-01 | 中国神华能源股份有限公司 | Separation and washing device of settlement tank for acid-soluble slag of fly ash |
-
2010
- 2010-04-27 CN CN 201010161853 patent/CN101870490A/en active Pending
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2011
- 2011-04-25 CN CN2011101042027A patent/CN102258888B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201658867U (en) * | 2010-04-27 | 2010-12-01 | 中国神华能源股份有限公司 | Separation and washing device of settlement tank for acid-soluble slag of fly ash |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110025990A (en) * | 2018-05-31 | 2019-07-19 | 沈阳铝镁设计研究院有限公司 | A kind of subsider from dilution technique |
| CN110923447A (en) * | 2019-12-16 | 2020-03-27 | 江西思远再生资源有限公司 | Multistage countercurrent continuous washing method for superfine leaching residues |
| CN110923447B (en) * | 2019-12-16 | 2021-07-09 | 江西思远再生资源有限公司 | Multistage countercurrent continuous washing method for superfine leaching residues |
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| Publication number | Publication date |
|---|---|
| CN102258888B (en) | 2012-10-03 |
| CN101870490A (en) | 2010-10-27 |
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