CN113149049A - Grader mother liquor adding self-pressing device and using method thereof - Google Patents
Grader mother liquor adding self-pressing device and using method thereof Download PDFInfo
- Publication number
- CN113149049A CN113149049A CN202110524189.4A CN202110524189A CN113149049A CN 113149049 A CN113149049 A CN 113149049A CN 202110524189 A CN202110524189 A CN 202110524189A CN 113149049 A CN113149049 A CN 113149049A
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- decomposer
- grader
- liquid
- mother liquor
- tank
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- 239000012452 mother liquor Substances 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims description 21
- 239000007788 liquid Substances 0.000 claims abstract description 86
- 238000000354 decomposition reaction Methods 0.000 claims description 29
- 238000005192 partition Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 3
- 238000005272 metallurgy Methods 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000007865 diluting Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 9
- 238000007599 discharging Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
- C01F7/14—Aluminium oxide or hydroxide from alkali metal aluminates
- C01F7/144—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process
- C01F7/147—Apparatus for precipitation
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Abstract
The invention belongs to the technical field of metallurgy and chemical industry, and particularly relates to a grader mother liquor adding self-pressing device; the device comprises a first decomposer, a second decomposer, a third decomposer, a fourth decomposer, a fifth decomposer, a sixth decomposer, a seventh decomposer, an eighth decomposer, a ninth decomposer and a tenth decomposer which are communicated through pipelines, wherein the mutually communicated decomposers are arranged in a U shape, the first decomposer and the tenth decomposer are arranged in the same direction, a vertical disc filter is arranged at the top of the first decomposer, a liquid seal tank is arranged at the top of the ninth decomposer, the vertical disc filter is connected with the liquid seal tank through a liquid inlet pipe, and the liquid seal tank is communicated with a feed pump inlet of a grader through a discharge pipe; by utilizing the height difference between the filter and the grader, the mother liquor can enter the feeding pipe of the grader under self-pressure, so as to achieve the purpose of diluting the solid content of the fed material.
Description
Technical Field
The invention belongs to the technical field of metallurgy and chemical industry, and particularly relates to a grader mother liquor adding self-pressing device and a using method thereof.
Background
In the seed crystal decomposition process in the fields of metallurgy and chemical industry, a grader is adopted in the seed crystal grading process. In order to ensure the classification efficiency, the classifier needs to add mother liquor to the feeding material, namely, the filtrate filtered by the vertical disc filter reduces the feeding solid content and improves the classification efficiency. In the prior art, the addition process of the mother liquor of the grader adopts 1 mother liquor tank built at the vertical disc filtering process, and then 1 pump of the mother liquor is installed and a pipeline is laid to form the inlet of a feeding pump of the grader. As in fig. 1. This method is a common method in the alumina industry, but increases process energy consumption. Corresponding grading mother liquor pumps and process pipelines need to be added, the grader mother liquor pump needs to be operated in the operation process of the grader, and the maintenance cost of equipment is increased.
Disclosure of Invention
The invention aims to provide a grader mother liquor adding autogenous pressure device and a using method thereof.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a grader mother liquor adds autogenous pressure device, include the first decomposer that communicates through the pipeline, the second decomposer, the third decomposer, the fourth decomposer, the fifth decomposer, the sixth decomposer, the seventh decomposer, the eighth decomposer, the ninth decomposer, the tenth decomposer, the decomposer that communicates each other is the U type range, and first decomposer and the tenth decomposer set up in same direction, first decomposer top is provided with the vertical disc filter, ninth decomposer top is provided with the liquid seal groove, the vertical disc filter passes through the feed liquor union coupling with the liquid seal groove, the liquid seal groove communicates through the discharging pipe with the import of grader feed pump.
Furthermore, an overflow port is arranged on the liquid seal tank, an overflow pipe is arranged on the overflow port, and the tail end of the overflow pipe extends into the mother liquid tank from the grading mother liquid port.
Further, the height difference between the overflow port and the classification mother liquor port is 2 m.
Furthermore, a valve is arranged on the overflow pipe.
Furthermore, a flow control valve is arranged on the discharge pipe.
Further, the liquid seal groove is divided into a liquid inlet side and a liquid outlet side by a partition plate, the tail end of a pipeline connected with the liquid seal groove of the vertical disc filter extends into the liquid inlet side, and the overflow pipe is arranged on the liquid outlet side.
Further, a grader mother liquor adds autogenous pressure device's application method, with first decomposer, the second decomposer, the third decomposer, the fourth decomposer, the fifth decomposer, the sixth decomposer, the seventh decomposer, the eighth decomposer, the ninth decomposer, the tenth decomposer adopts U type range installation setting, install the vertical disc filter at first decomposer top, ninth decomposer top installation liquid seal groove, liquid inlet pipe and discharging pipe are installed to the feed liquor side of liquid seal groove, the discharging pipe stretches into grader feed pump import, install the overflow pipe in the liquid outlet side of liquid seal groove.
Compared with the prior art, the invention has the beneficial effects that: the invention efficiently utilizes the height difference of the decomposer, and saves the equipment and electric energy required by adding the mother liquor pump in the grader. According to the current design, each series is provided with 2 graders, 2 grading mother liquor pumps are needed, and by adopting the method, spare parts, overhaul fees and running electricity fees of 2 mother liquors can be saved. Because no mother liquor pump is arranged, the stability of adding the mother liquor of the classifier is greatly improved, and the classification efficiency of the classifier is improved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic view of a liquid seal tank.
FIG. 3 is a schematic diagram of a prior art classifier mother liquor addition.
In the figure, 1-a first decomposer, 2-a second decomposer, 3-a third decomposer, 4-a fourth decomposer, 5-a fifth decomposer, 6-a sixth decomposer, 7-a seventh decomposer, 8-an eighth decomposer, 9-a ninth decomposer, 10-a tenth decomposer, 11-a vertical disc filter, 12-a liquid seal tank, 13-a discharge pipe, 14-an overflow pipe, 15-a mother liquid tank, 16-a partition board, 17-a liquid inlet side and 18-a liquid outlet side.
Detailed Description
As shown in fig. 1 to 3, in order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A grader mother liquor adding autogenous pressure device comprises a first decomposition tank 1, a second decomposition tank 2, a third decomposition tank 3, a fourth decomposition tank 4, a fifth decomposition tank 5, a sixth decomposition tank 6, a seventh decomposition tank 7, an eighth decomposition tank 8, a ninth decomposition tank 9 and a tenth decomposition tank 10 which are communicated through a pipeline, wherein the mutually communicated decomposition tanks are arranged in a U shape, the first decomposition tank 1 and the tenth decomposition tank 10 are arranged in the same direction, a vertical disc filter 11 is arranged at the top of the first decomposition tank 1, a liquid seal tank 12 is arranged at the top of the ninth decomposition tank 9, the vertical disc filter 11 is connected with the liquid seal tank 12 through a liquid inlet pipe, and the liquid seal tank 12 is communicated with a grader feed pump inlet through a discharge pipe 13. According to the current design, each series is provided with 2 graders, 2 grading mother liquor pumps are needed, and by adopting the method, spare parts, overhaul fees and running electricity fees of 2 mother liquors can be saved. Because no mother liquor pump is arranged, the stability of adding the mother liquor of the classifier is greatly improved, and the classification efficiency of the classifier is improved.
Example 2
In addition to the embodiment 1, the overflow port is provided in the liquid seal tank 12, the overflow pipe 14 is provided in the overflow port, and the end of the overflow pipe 14 extends into the mother liquid tank 15 from the classification mother liquid port, so that the excess mother liquid can be sent to the filtration process.
Example 3
On the basis of example 2, the height difference between the overflow port and the grading mother liquor port is 2 meters, so that the phenomenon that air enters the mother liquor pipe to cause cavitation erosion of the feeding pump to influence the flow rate is prevented.
Example 4
In addition to example 2, a valve was provided in the overflow pipe 14 to control the flow rate.
Example 5
On embodiment 1's basis, be provided with flow control valve on discharging pipe 13, can make things convenient for the control flow to cooperate the grader to stop the maintenance, break off the mother liquor, the mother liquor adjustment is adjusted with grader mother liquor pipe pneumatic control valve.
Example 6
On the basis of embodiment 1, the liquid seal tank 12 is separated into a liquid inlet side 17 and a liquid outlet side 18 by a partition plate 16, the end of a pipeline connected with the liquid seal tank 12 of the vertical disc filter 11 extends into the liquid inlet side 17, an overflow pipe 14 is arranged on the liquid outlet side 18, filtrate generated by the vertical disc filter 11 passes through a vacuum liquid receiving tank, enters the liquid seal tank 12 through a bottom mother liquid pipe, then overflows to the liquid outlet side 18, a mother liquid valve of a classifier is opened, the opening of an appropriate adjusting valve is properly adjusted according to the feeding solid content of the classifier, and when the filtrate of the filter is larger, the mother liquid overflows along a discharge side overflow port to a filtering process mother liquid tank 15 so as to enter the next link.
Example 7
The utility model provides a grader mother liquor adds autogenous pressure device's application method, with first decomposer 1, second decomposer 2, third decomposer 3, fourth decomposer 4, fifth decomposer 5, sixth decomposer 6, seventh decomposer 7, eighth decomposer 8, ninth decomposer 9, tenth decomposer 10 adopts the U type to arrange the installation setting, install upright disc filter 11 at first decomposer 1 top, liquid seal tank 12 is installed at ninth decomposer 9 top, liquid inlet pipe and discharging pipe 13 are installed to liquid inlet side 17 of liquid seal tank 12, discharging pipe 13 stretches into the import of grader feed pump, install overflow pipe 14 in the liquid outlet side 18 of liquid seal tank 12.
The working principle of the invention is as follows:
s1, installing the vertical disc filter 11 at the top of the first decomposition tank 1: the vertical disc filter 11 performs inspection work, feeds materials in connection with the previous process, then starts auxiliary equipment such as a vacuum pump, an air compressor and the like, and filtrate enters the liquid inlet side 17 of the liquid seal tank 12 along the liquid inlet pipe under the action of vacuum and overflows to the liquid outlet side 18; from the exit side 18 into the inlet of the classifier feed pump and the excess from the overflow pipe 14 into the mother liquor tank 15.
The decomposing tank is arranged in a U shape during installation, the first tank and the tail tank of the decomposing tank are in the same direction, and the height difference of the decomposing tank during self-pressing can be ensured due to the height difference between every two decomposing tanks. Meanwhile, the length of the mother liquor pipe can be reduced, the investment cost is reduced, the fluid resistance is reduced, and the flow rate of the mother liquor is ensured; the installation valve carries out flow control, and the main objective is the cooperation grader parks the maintenance, breaks off the mother liquor, and the mother liquor adjustment is adjusted with grader mother liquor pipe pneumatic control valve. An overflow pipe 14 is installed on the liquid seal tank 12: the addition of the stable graded mother liquor needs to stabilize the liquid level of the liquid seal tank 12, otherwise, the liquid inlet pipe can generate cavitation phenomena, and the flow of a feeding pump is influenced. When hierarchical mother liquor autogenous pressure adds, the mother liquor volume can often fluctuate, can lead to liquid seal tank 12 liquid level unstable, adds overflow pipe 14, guarantees that liquid seal tank 12 liquid level risees, and unnecessary mother liquor can be sent to mother liquor tank 15.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a grader mother liquor adds autogenous pressure device which characterized in that: the device comprises a first decomposer (1), a second decomposer (2), a third decomposer (3), a fourth decomposer (4), a fifth decomposer (5), a sixth decomposer (6), a seventh decomposer (7), an eighth decomposer (8), a ninth decomposer (9) and a tenth decomposer (10) which are communicated through a pipeline, wherein the mutually communicated decomposers are arranged in a U shape, the first decomposer (1) and the tenth decomposer (10) are arranged in the same direction, a vertical disc filter (11) is arranged at the top of the first decomposer (1), a liquid seal groove (12) is arranged at the top of the ninth decomposer (9), the vertical disc filter (11) is connected with the liquid seal groove (12) through a liquid inlet pipe, and the liquid seal groove (12) is communicated with a grader feed pump inlet through a discharge pipe (13).
2. The grader mother liquor adding autogenous pressure device as in claim 1, wherein: an overflow port is arranged on the liquid seal groove (12), an overflow pipe (14) is arranged on the overflow port, and the tail end of the overflow pipe (14) extends into the mother liquid groove (15) from the grading mother liquid port.
3. The grader mother liquor adding autogenous pressure device as in claim 2, wherein: the height difference between the overflow port and the grading mother liquor port is 2 meters.
4. The grader mother liquor adding autogenous pressure device as in claim 2, wherein: a valve is arranged on the overflow pipe (14).
5. The grader mother liquor adding autogenous pressure device as in claim 1, wherein: the discharge pipe (13) is provided with a flow control valve.
6. The grader mother liquor adding autogenous pressure device as in claim 1, wherein: the liquid seal tank (12) is divided into a liquid inlet side (17) and a liquid outlet side (18) by a partition plate (16), the tail end of a pipeline connected with the liquid seal tank (12) of the vertical disc filter (11) extends into the liquid inlet side (17), and the overflow pipe (14) is arranged on the liquid outlet side (18).
7. A use method of a grader mother liquor adding self-pressing device is characterized in that: the method is characterized in that a first decomposition tank (1), a second decomposition tank (2), a third decomposition tank (3), a fourth decomposition tank (4), a fifth decomposition tank (5), a sixth decomposition tank (6), a seventh decomposition tank (7), an eighth decomposition tank (8), a ninth decomposition tank (9) and a tenth decomposition tank (10) are arranged and arranged in a U shape, a vertical disc filter (11) is installed at the top of the first decomposition tank (1), a liquid seal tank (12) is installed at the top of the ninth decomposition tank (9), a liquid inlet pipe and a liquid outlet pipe (13) are installed on a liquid inlet side (17) of the liquid seal tank (12), the liquid outlet pipe (13) extends into an inlet of a feed pump of a grader, and an overflow pipe (14) is installed on a liquid outlet side (18) of the liquid seal tank (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110524189.4A CN113149049A (en) | 2021-05-13 | 2021-05-13 | Grader mother liquor adding self-pressing device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110524189.4A CN113149049A (en) | 2021-05-13 | 2021-05-13 | Grader mother liquor adding self-pressing device and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113149049A true CN113149049A (en) | 2021-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110524189.4A Pending CN113149049A (en) | 2021-05-13 | 2021-05-13 | Grader mother liquor adding self-pressing device and using method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN113149049A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8606511D0 (en) * | 1985-03-20 | 1986-04-23 | Pechiney Aluminium | Decomposing sodium aluminate liquors |
| CN1556036A (en) * | 2003-12-31 | 2004-12-22 | 中国铝业股份有限公司 | Aluminium oxide production decomposition classification net technology |
| CN102807242A (en) * | 2012-08-22 | 2012-12-05 | 中国铝业股份有限公司 | Method for producing aluminium hydroxide micro powder by continuous decomposition |
| CN105347375A (en) * | 2015-11-20 | 2016-02-24 | 中石化催化剂（北京）有限公司 | Production device of pseudo-boehmite and method thereof |
| CN211847168U (en) * | 2020-02-26 | 2020-11-03 | 东方希望(三门峡)铝业有限公司 | Self-circulation type decomposing tank |
| CN111943241A (en) * | 2020-08-25 | 2020-11-17 | 沈阳铝镁设计研究院有限公司 | U + Z type seed precipitation tank and working method thereof |
| CN214611567U (en) * | 2021-05-13 | 2021-11-05 | 云南文山铝业有限公司 | Grader mother liquor adds autogenous pressure device |
-
2021
- 2021-05-13 CN CN202110524189.4A patent/CN113149049A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8606511D0 (en) * | 1985-03-20 | 1986-04-23 | Pechiney Aluminium | Decomposing sodium aluminate liquors |
| CN1556036A (en) * | 2003-12-31 | 2004-12-22 | 中国铝业股份有限公司 | Aluminium oxide production decomposition classification net technology |
| CN102807242A (en) * | 2012-08-22 | 2012-12-05 | 中国铝业股份有限公司 | Method for producing aluminium hydroxide micro powder by continuous decomposition |
| CN105347375A (en) * | 2015-11-20 | 2016-02-24 | 中石化催化剂（北京）有限公司 | Production device of pseudo-boehmite and method thereof |
| CN211847168U (en) * | 2020-02-26 | 2020-11-03 | 东方希望(三门峡)铝业有限公司 | Self-circulation type decomposing tank |
| CN111943241A (en) * | 2020-08-25 | 2020-11-17 | 沈阳铝镁设计研究院有限公司 | U + Z type seed precipitation tank and working method thereof |
| CN214611567U (en) * | 2021-05-13 | 2021-11-05 | 云南文山铝业有限公司 | Grader mother liquor adds autogenous pressure device |
Non-Patent Citations (1)
| Title |
|---|
| 吴佩之: "《湿法磷酸》", 31 December 1987, 化学工业出版社, pages: 192 * |
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