CN102701250B - Method and device for treating aluminium polychlorid reaction residues - Google Patents
Method and device for treating aluminium polychlorid reaction residues Download PDFInfo
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- CN102701250B CN102701250B CN2012102199985A CN201210219998A CN102701250B CN 102701250 B CN102701250 B CN 102701250B CN 2012102199985 A CN2012102199985 A CN 2012102199985A CN 201210219998 A CN201210219998 A CN 201210219998A CN 102701250 B CN102701250 B CN 102701250B
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Abstract
The invention discloses a method and a device for treating aluminium polychlorid reaction residues. The method comprises the following steps of: adding water into the reaction residues produced by the reaction of bauxite or calcium aluminate powder with hydrochloride to produce aluminium polychlorid, and adding water to wash the reaction residues to form suspension liquid by the water and the reaction residues; and sending the suspension liquid into a filter press to be filtered to obtain filter residues and filtrate, and combining the filtrate into finished polyalumniium chloride. The device for treating the reaction residues comprises a residue washing pool (5) for receiving the reaction residues, a first mortar pump (6), at least one filter press (4) and a filtrate tank (7), wherein the first mortar pump (6) is connected with the residue washing pool (5) through a pipeline, the filtrate tank (7) is connected with the filter press (4) through a pipeline, and the residue washing pool (5) is also provided with a washing pipe. After the reaction residues are washed and filtered again, the yield of the aluminium polychlorid can be increased, the discharged residue quantity is reduced, and the residues after treatment can be comprehensively utilized and harmlessly treated.
Description
Technical field
The invention belongs to the polymerize aluminum chloride production technical field, relate to a kind of polymerize aluminum chloride and produce refuse processing method and device, especially relate to a kind for the treatment of process and device of polymeric aluminium reaction residues.
Background technology
Utilize bauxitic clay or utilize calcium aluminate powder and after acid liquid reaction produced polymerize aluminum chloride, a large amount of residues that produce normally went out of use or landfill.Contain not dissolved aluminum ion in residue, acidity is stronger, and the pH value of waste residue raffinate is in 1 left and right, if directly discarded or landfill can cause loss and the waste of polymerize aluminum chloride, and to environment.
CN101905898A discloses a kind of processing and utilizing method of polymeric aluminium reaction residues, concrete steps are as follows: (1) is dropped into 4%～20% (in the HCl massfraction) inorganic mixing acid and reaction residues 1: 6 in mass ratio～1: 2 in conversion unit and is mixed, and 50～110 ℃ of lower stirring reactions 0.5～2 hour; (2) reaction solution is squeezed in settling tank precipitated 0.5～2 hour or directly by filtering equipment, carry out solid-liquid separation, the clear liquid that obtains is and contains aluminic acid liquid, it can be back to use in the production of polymerize aluminum chloride.
CN101671047A discloses a kind of method that polyaluminium chloride residue is regenerated, comprise the following steps: A, bauxitic clay or calcium aluminate powder and acid liquid reaction are produced after polymerize aluminum chloride the residue of aluminum that contains that produces, and prepare the alkali lye that contains residue of aluminum, 10%-32% of 500 weight parts; B, with the residue of aluminum that contains of described 500 weight parts, stir, add slowly while stirring described alkali lye, make to contain residue of aluminum and be dissolved in fully in alkali lye,, when pH value reaches in 9-10, stop adding, and stop stirring, obtain intermediate solution; C, pour intermediate solution into reaction tank, add in intermediate solution and contain aluminium chlorhydrate, stir, make pH value reach 4-5, standing 7-8 hour, can obtain liquid polymerization aluminum chloride, completes and produce.
In prior art, the utilization of polymeric aluminium reaction residues mostly is and adds acid or alkali lye to carry out chemical reaction and comprehensive utilization, still have many waste sludge discharges, also make Production Flow Chart complicated, the cost of comprehensive utilization is relatively high.
Summary of the invention
In order to overcome the defect of prior art, on the one hand, the technical problem to be solved in the present invention is: a kind for the treatment of process of polymeric aluminium reaction residues is provided, can significantly reduces the quantity discharged of waste residue, improve the polymerize aluminum chloride yield rate.
In order to solve the problems of the technologies described above, the treatment process of polymeric aluminium reaction residues provided by the invention, comprise the following steps: bauxitic clay or calcium aluminate powder and hydrochloric acid reaction are produced the reaction residues that produces after polymerize aluminum chloride, wash after adding water, water and described reaction residues form suspension liquid; Described suspension liquid is sent into Filter Press, obtain filter residue and filtrate, filtrate merges in the polymerize aluminum chloride finished product.
Further, the treatment process of described polymeric aluminium reaction residues, be sent to Filter Press after the complete mixing of materials of described suspension liquid and polymeric aluminium reaction still internal reaction.
On the other hand, the present invention also provides a kind of device that polymeric aluminium reaction residues is processed, and makes residue can realize the comprehensive utilization of resource by physical treatment, reduces the quantity discharged of waste residue, improves the polymerize aluminum chloride yield rate.
In order to solve the problems of the technologies described above, the treatment unit of polymeric aluminium reaction residues provided by the invention, the basic technical scheme of taking is: a kind for the treatment of unit of polymeric aluminium reaction residues, process producing the reaction residues of polymerize aluminum chloride after Filter Press, have the washery slag pond that receives described reaction residues; The first mortar pump that is connected with described washery slag pond by pipeline; At least one pressure filter; With the filtrate receiver that described pressure filter is connected by pipeline, described washery slag pond also has wash tub pipe.
Further, the first mortar pump outlet of the treatment unit of polymeric aluminium reaction residues also has the return line that flows to described washery slag pond.
Further, the treatment unit of polymeric aluminium reaction residues also has the intermediate pool that receives polymeric aluminium reaction still and described the first mortar pump outlet conduit outflow material; Bottom by pipeline and described intermediate pool be connected the opening for feed of pressure filter and be connected, material in described intermediate pool is pumped the second mortar pump to described pressure filter.The material that polymeric aluminium reaction still internal reaction is complete and reaction residues can be pumped to pressure filter by the second mortar pump separately or after intermediate pool mixes with the suspension liquid that water forms.
Further, the second mortar pump outlet of the treatment unit of polymeric aluminium reaction residues also has the return line that flows to described intermediate pool.
Further, the import of the first mortar pump of the treatment unit of polymeric aluminium reaction residues also is connected with the bottom of described filtrate receiver by pipeline, and the residue of sedimentation in filtrate receiver is evacuated in described intermediate pool or washery slag pond.
Further, the first mortar pump outlet of the treatment unit of polymeric aluminium reaction residues also is connected with the opening for feed of described pressure filter by pipeline.
Further, be slope at the bottom of the pond in the washery slag pond of the treatment unit of polymeric aluminium reaction residues, the feed liquor mouth of pipe of described the first mortar pump of slope aspect.
In the situation that do not conflict, aforementioned improved or preferred version can be implemented alone or in combination.
The beneficial effect that the present invention brings: the polymeric aluminium reaction residues after Filter Press, after washing and filtering again, can improve polymerize aluminum chloride yield rate approximately 10%, reduce and efflux level of residue, residue after treatment contains aluminium and acidic substance decrease, and the waste residue raffinate approaches neutral, and its pH value is brought up to more than 6, can meet and produce the ingredient requirement of washing in a pan porcelain, accomplish comprehensive utilization and the harmless treatment of residue.In production process, cost is lower.
Description of drawings
Accompanying drawing is used to provide a further understanding of the present invention, forms the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not form improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of embodiment of the present invention treatment unit.
Embodiment
The treatment unit of polymeric aluminium reaction residues as shown in Figure 1, have intermediate pool 2; The second mortar pump 3; Pressure filter 4; Washery slag pond 5; The first mortar pump 6; Filtrate receiver 7.the filter residue of pressure filter 4 is inputted in washery slag pond 5 by modes such as gravity or cart transport, washery slag pond 5 also has wash tub pipe, the inlet pipeline of the first mortar pump 6 connects the bottom in washery slag pond 5, be slope at the bottom of the pond in washery slag pond 5, the feed liquor mouth of pipe of slope aspect the first mortar pump 6, be convenient to the Flow of Goods and Materials in washery slag pond 5 and the material in washery slag pond 5 is exhausted, the outlet conduit of the first mortar pump 6 can be sent to intermediate pool 2 and/or pressure filter 4 with the liquid that extracts, or be back to washery slag pond 5, control by valve between them, the import of the first mortar pump 6 also is connected with the bottom of filtrate receiver 7 by pipeline, the residue of filtrate receiver 7 interior sedimentations is evacuated in intermediate pool 2 or washery slag pond 5.The complete material of polymeric aluminium reaction still 1 internal reaction is sent to intermediate pool 2 by pipeline, the fluid inlet of the second mortar pump 3 is connected to the bottom of intermediate pool 2 by pipeline, the outlet conduit of the second mortar pump 3 can be sent to the liquid that extracts pressure filter 4 and/or be back to intermediate pool 2.The filtrate outlet of pressure filter 4 is connected with filtrate receiver 7 by pipeline, and filtrate is sent to filtrate receiver 7, then through pump 8, is sent to the finished product storage tank.
During operation, the reaction residues that obtains after pressure filter 4 filters is inputted in washery slag pond 5 by modes such as gravity, cart transport, Belt Conveyings, water rinses the reaction residues in washery slag pond 5, water and described reaction residues form suspension liquid, start the first mortar pump 6, and the suspension liquid in washery slag pond 5 is evacuated to intermediate pool 2 or pressure filter 4, keeping simultaneously a part of suspension liquid is back in washery slag pond 5, be used for the residue in flushing tank, but water saving ensures the content of finished product polymerize aluminum chloride simultaneously.Be pumped into suspension liquid in intermediate pool 2 can be separately or with from being sent to pressure filter 4 after the complete mixing of materials of polymeric aluminium reaction still 1 internal reaction, after pressure filter 4 filters, filter residue is sent to washery slag pond 5 or sends outside, filtrate is sent to filtrate receiver 7, then be sent to the finished product storage tank through pump 8, the residue that is deposited in filtrate receiver 7 bottoms is evacuated in intermediate pool 2 by the first mortar pump 6.In actual moving process, improve polymerize aluminum chloride yield rate approximately 10%.
Except embodiment, the washing fluid in washery slag pond 5 also can arrange separately filter plant, has same technique effect.Also can connect two-stage and above washery slag pond, filtration unit are set, reaction residues is after the series multistage washing, filtering, and the extraction yield of polymerize aluminum chloride will higher, and the reaction residues quantity discharged will still less, and be conducive to fully utilize, the pollution of minimizing to environment.
The foregoing is only the preferred embodiments of the present invention, and do not limit the present invention in any way, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. the treatment process of a polymeric aluminium reaction residues comprises the following steps: bauxitic clay or calcium aluminate powder and hydrochloric acid reaction are produced the reaction residues that produces after polymerize aluminum chloride, wash water and described reaction residues formation suspension liquid after adding water; Described suspension liquid is sent into Filter Press, obtain filter residue and filtrate, filtrate merges in the polymerize aluminum chloride finished product, it is characterized in that: described reaction residues treatment process is implemented in the reaction residues treatment unit, and described reaction residues treatment unit has the washery slag pond (5) that receives described reaction residues; The first mortar pump (6) that is connected with described washery slag pond (5) by pipeline; At least one pressure filter (4); With the filtrate receiver (7) that described pressure filter (4) is connected by pipeline, described washery slag pond (5) also has wash tub pipe.
2. the treatment process of reaction residues according to claim 1 is characterized in that: be sent to Filter Press after the complete mixing of materials of described suspension liquid and polymeric aluminium reaction still internal reaction.
3. treatment unit of realizing the polymeric aluminium reaction residues of the described reaction residues treatment process of claim 1, process producing the reaction residues of polymerize aluminum chloride after pressure filter (4) filters, it is characterized in that: have the washery slag pond (5) that receives described reaction residues; The first mortar pump (6) that is connected with described washery slag pond (5) by pipeline; At least one pressure filter (4); With the filtrate receiver (7) that described pressure filter (4) is connected by pipeline, described washery slag pond (5) also has wash tub pipe.
4. the treatment unit of polymeric aluminium reaction residues according to claim 3, it is characterized in that: the outlet of described the first mortar pump (6) also has the return line that flows to described washery slag pond (5).
5. the treatment unit of polymeric aluminium reaction residues according to claim 3, is characterized in that: also have the intermediate pool (2) that receives polymeric aluminium reaction still (1) and described the first mortar pump (6) outlet conduit outflow material; Bottom by pipeline and described intermediate pool (2) be connected the opening for feed of pressure filter (4) and be connected, the interior material of described intermediate pool (2) is pumped the second mortar pump (3) to described pressure filter (4).
6. the treatment unit of polymeric aluminium reaction residues according to claim 3, it is characterized in that: the outlet of described the second mortar pump (3) also has the return line that flows to described intermediate pool (2).
7. the treatment unit of polymeric aluminium reaction residues according to claim 3, it is characterized in that: the import of described the first mortar pump (6) also is connected with the bottom of described filtrate receiver (7) by pipeline, and the residue of the interior sedimentation of filtrate receiver (7) is evacuated in described intermediate pool (2) or washery slag pond (5).
8. the treatment unit of polymeric aluminium reaction residues according to claim 3, it is characterized in that: the outlet of described the first mortar pump (6) also is connected with the opening for feed of described pressure filter (4) by pipeline.
9. the treatment unit of polymeric aluminium reaction residues according to claim 3, is characterized in that: be slope at the bottom of the pond in described washery slag pond (5), the feed liquor mouth of pipe of described the first mortar pump of slope aspect (6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102199985A CN102701250B (en) | 2012-06-29 | 2012-06-29 | Method and device for treating aluminium polychlorid reaction residues |
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| CN2012102199985A CN102701250B (en) | 2012-06-29 | 2012-06-29 | Method and device for treating aluminium polychlorid reaction residues |
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| CN102701250A CN102701250A (en) | 2012-10-03 |
| CN102701250B true CN102701250B (en) | 2013-11-13 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104402031B (en) * | 2014-10-23 | 2016-08-24 | 蓝保(厦门)水处理科技有限公司 | A kind of polyaluminium chloride filter residue recycling technique |
| CN104986788B (en) * | 2015-07-13 | 2017-08-04 | 浙江天乙环保科技有限公司 | A kind of process units of aluminium polychloride |
| CN107082440B (en) * | 2017-05-13 | 2019-02-26 | 江苏蓝遥净水剂有限公司 | A kind of aluminium polychloride production waste residue recycle device |
| CN109336153B (en) * | 2018-12-26 | 2021-01-08 | 河南省福可思环保科技有限公司 | Method for preparing polyaluminium chloride from dechlorination treatment liquid of polyaluminium chloride waste residue of water treatment agent |
| CN109701991B (en) * | 2018-12-26 | 2021-04-27 | 河南省福可思环保科技有限公司 | Method for recovering aluminum resource from waste residue of water treatment agent polyaluminium chloride |
| CN109437960B (en) * | 2018-12-26 | 2022-02-08 | 河南省福可思环保科技有限公司 | Method for preparing ceramsite by using waste residue of polyaluminium chloride of water treatment agent |
| CN111732105A (en) * | 2020-07-24 | 2020-10-02 | 昆明合起工贸有限公司 | Calcium fluosilicate production process |
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| CN101671047A (en) * | 2009-09-24 | 2010-03-17 | 倪明锋 | Method for reproduction by using polyaluminium chloride residue |
| JP2010094606A (en) * | 2008-10-16 | 2010-04-30 | Hi-Van:Kk | Manufacturing apparatus of heat-resistant composition by calcining treatment of waste containing inorganic compound, and the heat-resistant composition |
| CN101905898A (en) * | 2010-08-03 | 2010-12-08 | 常州友邦净水材料有限公司 | Utilization method for polymeric aluminium reaction residues |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010094606A (en) * | 2008-10-16 | 2010-04-30 | Hi-Van:Kk | Manufacturing apparatus of heat-resistant composition by calcining treatment of waste containing inorganic compound, and the heat-resistant composition |
| CN101671047A (en) * | 2009-09-24 | 2010-03-17 | 倪明锋 | Method for reproduction by using polyaluminium chloride residue |
| CN101905898A (en) * | 2010-08-03 | 2010-12-08 | 常州友邦净水材料有限公司 | Utilization method for polymeric aluminium reaction residues |
Non-Patent Citations (4)
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| "Production of Poly(aluminum chloride) and Sodium Silicate from;KY Park et al.;《Ind. Eng. Chem. Res》;19970601;第36卷(第7期);第2646-2650页 * |
| "用铝矾土制备聚硫氯化铝的研究";朱少敏等;《辽宁师范大学学报》;20050630;第28卷(第2期);第213-214页 * |
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