CN204737735U - System for organic matter removal is removed to aluminium oxide trade - Google Patents
System for organic matter removal is removed to aluminium oxide trade Download PDFInfo
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- CN204737735U CN204737735U CN201520491634.1U CN201520491634U CN204737735U CN 204737735 U CN204737735 U CN 204737735U CN 201520491634 U CN201520491634 U CN 201520491634U CN 204737735 U CN204737735 U CN 204737735U
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Abstract
The utility model provides a system for organic matter removal is removed to aluminium oxide trade not only can effectively remove organic matter removal, and the business turn over that can reach the organic matter moreover is balanced. A system for organic matter removal is removed to aluminium oxide trade, includes: active crystal seed preparation facilities has: more than one is used for in the future the ground paste of selfdecomposition process to carry out filterable filter that coils immediately, more than one with coil the filter intercommunication immediately and be used for collecting filtering active crystal seed that the mother liquor tank that produces filtrating and more than one be used for obtaining the filtration and planting the branch mother liquor and carry out the reaction that the mixing reacts, with seed washing device, have: a plurality of first filters, a plurality of mother liquor collecting vat, first sink, a plurality of second of coiling immediately coil filter and a second sink immediately.
Description
Technical field
The utility model relates to a kind of system of alumina industry organics removal, belongs to high organism ore and produces aluminum oxide field.
Background technology
Along with the development of alumina industry, the demand of bauxite continues to increase, and high-grade bauxite resource is more and more deficienter, the country of bauxite rich reserves in the world: as all contained medium above organism in the ores such as Australia, India, Brazil, Guinea.
The prevailing technology of alumina producing is Bayer process in the world at present, alumina producing Bayer process can bring the organism in ore into system, organism is once enter system, meeting circulative accumulation on stream, negative impact is brought to production, main manifestations, for reducing aluminum oxide output and quality product, causes equipment to scab, and organization of production difficulty waits series of problems.
Current organic process is still a global difficult problem, its method is mainly method of following by force, thin seed washing method, oxidative decomposition process, liquid-phase combustion method etc., but what aforesaid method had operationally exists larger potential safety hazard, though the partial organic substances of removing had affects still larger on production system.
Summary of the invention
The utility model provides a kind of system of alumina industry organics removal, can not only effective organics removal, and can reach organic turnover balance.
To achieve these goals, the utility model is by the following technical solutions:
A system for alumina industry organics removal, comprising:
Active seed preparation facilities, have: the vertical-disk filter that more than one slip for self-decomposition in future operation carries out filtering, more than one to be communicated with for collecting the mother liquor tank that filters and produce filtrate and more than one for filtering the active seed that obtains and seed precipitation solution carries out mixing the reactive tank reacted with vertical-disk filter; With
Seed washing device, has: multiple the first vertical-disk filter for reactive tank reaction solution is carried out filtering, multiple be communicated with the first vertical-disk filter be used for collecting filter produce filtrate mother liquor receiving tank, one be used for the first rinse bath that the active seed after being filtered by the first vertical-disk filter carries out washing, multiple the second vertical-disk filter for being carried out filtering by the first rinse bath cleaning mixture and second rinse bath being used for the active seed after by the second vertical plate Filtration Filtration and carrying out washing.
The system of described alumina industry organics removal, also comprise organism causticization device, organism causticization device has more than one and carries out the causticizing tank of causticizing reaction and more than one subsider carrying out being separated for causticizing reaction liquid for making the second vertical-disk filter produce filtrate, wherein subsider top is provided with overflow port, and bottom is provided with underflow discharge port.
The system of described alumina industry organics removal, is also provided with cold water spray device above the first vertical-disk filter.
The system of described alumina industry organics removal, the first rinse bath is also communicated with hot water and adds pipe.
The beneficial effects of the utility model:
1. active seed preparation facilities and seed washing device coordinate, and washing organics removal, makes organic removal amount greatly improve, and reach organic turnover and balance, even go out to be greater than into.
2. efficiently solve organism to the impact of producing, improve the output of aluminum oxide and the quality of product.
3., compared with other method of organics removal, it is lower that expense is removed by its organism unit.
Accompanying drawing explanation
Fig. 1 is the vertical view that the utility model selectes embodiment;
In figure 1, vertical-disk filter, 2, mother liquor tank, 3, reactive tank, 4, cold water spray device, the 5, first vertical-disk filter, 6, mother liquor receiving tank, 7, hot water adds pipe, 8, the first rinse bath, the 9, second vertical-disk filter, the 10, second rinse bath, 11, causticizing tank, 12, overflow port, 13, underflow discharge port, 14, subsider.
Embodiment
Understand for the ease of those skilled in the art, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
A system for alumina industry organics removal, comprises active seed preparation facilities, seed washing device and organism causticization device.
Active seed preparation facilities, have: the vertical-disk filter more than 1, that more than one slip for self-decomposition in future operation carries out filtering is communicated with for collecting the mother liquor tank 2 that filters and produce filtrate and more than one for filtering the active seed that obtains and seed precipitation solution carries out mixing the reactive tank 3 reacted with vertical-disk filter 1;
Seed washing device, has: multiple the first vertical-disk filter 5 for reactive tank 3 reaction solution is carried out filtering, multiple be communicated with the first vertical-disk filter 5 to be used for collecting filter the mother liquor receiving tank 6, producing filtrate and be used for the first rinse bath 8 that the active seed after being filtered by the first vertical-disk filter 5 carries out washing, multiple the second vertical-disk filter 9 for being carried out filtering by the first rinse bath 8 cleaning mixture and second rinse bath 10 being used for the active seed after by the second vertical plate Filtration Filtration and carrying out washing; Wherein also be provided with cold water spray device 4 above the first vertical-disk filter 5; First rinse bath 8 is also communicated with hot water and adds pipe 7;
Organism causticization device has more than one and carries out the causticizing tank 11 of causticizing reaction and more than one subsider 14 carrying out being separated for causticizing reaction liquid for making the second vertical-disk filter 9 produce filtrate, wherein subsider 14 top is provided with overflow port 12, and bottom is provided with underflow discharge port 13.
A kind of method of alumina industry organics removal, comprise the following steps: decomposition process carrys out AH slip and filters through vertical-disk filter 1, filtrate returns mother liquor tank 2, filter cake and active seed and seed precipitation solution 2 mix in reactive tank 3, and after reacting for some time under appropriate conditions, remove the first vertical-disk filter 5 in seed washing device, and the first vertical-disk filter 5 adds cold water through cold water spray device 4, filtrate returns mother liquor receiving tank 6, filter cake and active seed and hot water add in more than 90 DEG C hot water that pipe 7 adds the first rinse bath 9 more than 80 DEG C mix wash after go the second vertical-disk filter 9 to filter, filter cake is AH crystal seed, the activity of crystal seed obtained due to the second vertical-disk filter 9 is poor, second rinse bath 10 washings Oxalate and severe alkali ratio are greater than 0.3, filtrate and washings 12 go the causticizing tank 11 in organism causticization device and subsider 14 to carry out causticizing reaction, overflow port 12 liquid out returns production system, underflow discharge port 13 waste material out goes red mud dump to deposit.
Upper embodiment is only not intended to limit for illustration of the technical solution of the utility model; although be described in detail the utility model by embodiment; affiliated art should modify or carry out portion of techniques feature equivalent replacement with reference to concrete mode of the present utility model; but under the spirit not departing from technical solutions of the utility model, above-mentioned change or equivalent replacement should belong in the technical scheme scope of the utility model request protection.
Claims (4)
1. a system for alumina industry organics removal, is characterized in that, comprising:
Active seed preparation facilities, have: the vertical-disk filter that more than one slip for self-decomposition in future operation carries out filtering, more than one to be communicated with for collecting the mother liquor tank that filters and produce filtrate and more than one for filtering the active seed that obtains and seed precipitation solution carries out mixing the reactive tank reacted with vertical-disk filter; With
Seed washing device, has: multiple the first vertical-disk filter for reactive tank reaction solution is carried out filtering, multiple be communicated with the first vertical-disk filter be used for collecting filter produce filtrate mother liquor receiving tank, one be used for the first rinse bath that the active seed after being filtered by the first vertical-disk filter carries out washing, multiple the second vertical-disk filter for being carried out filtering by the first rinse bath cleaning mixture and second rinse bath being used for the active seed after being filtered by the second vertical-disk filter and carrying out washing.
2. the system of alumina industry organics removal according to claim 1, it is characterized in that, it also comprises organism causticization device, organism causticization device has more than one and carries out the causticizing tank of causticizing reaction and more than one subsider carrying out being separated for causticizing reaction liquid for making the second vertical-disk filter produce filtrate, wherein subsider top is provided with overflow port, and bottom is provided with underflow discharge port.
3. the system of alumina industry organics removal according to claim 1, is characterized in that: be also provided with cold water spray device above the first vertical-disk filter.
4. the system of alumina industry organics removal according to claim 1 or 2 or 3, is characterized in that: the first rinse bath is also communicated with hot water and adds pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520491634.1U CN204737735U (en) | 2015-07-09 | 2015-07-09 | System for organic matter removal is removed to aluminium oxide trade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520491634.1U CN204737735U (en) | 2015-07-09 | 2015-07-09 | System for organic matter removal is removed to aluminium oxide trade |
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| Publication Number | Publication Date |
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| CN204737735U true CN204737735U (en) | 2015-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520491634.1U Active CN204737735U (en) | 2015-07-09 | 2015-07-09 | System for organic matter removal is removed to aluminium oxide trade |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109052441A (en) * | 2018-08-31 | 2018-12-21 | 广西田东锦鑫化工有限公司 | The method for removing and system of organic matter in a kind of aluminum oxide production process |
| CN109592700A (en) * | 2018-12-18 | 2019-04-09 | 广西华银铝业有限公司 | A kind of method of alumina producer decomposing grading production continuous operation |
-
2015
- 2015-07-09 CN CN201520491634.1U patent/CN204737735U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109052441A (en) * | 2018-08-31 | 2018-12-21 | 广西田东锦鑫化工有限公司 | The method for removing and system of organic matter in a kind of aluminum oxide production process |
| CN109592700A (en) * | 2018-12-18 | 2019-04-09 | 广西华银铝业有限公司 | A kind of method of alumina producer decomposing grading production continuous operation |
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