CN219043173U - Gypsum dewatering system in lepidolite processing process - Google Patents
Gypsum dewatering system in lepidolite processing process Download PDFInfo
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- CN219043173U CN219043173U CN202223400013.7U CN202223400013U CN219043173U CN 219043173 U CN219043173 U CN 219043173U CN 202223400013 U CN202223400013 U CN 202223400013U CN 219043173 U CN219043173 U CN 219043173U
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- lepidolite
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Abstract
The utility model relates to a gypsum dewatering system in a lepidolite treatment process. Aiming at the defects of the prior art, the utility model provides a gypsum dehydration system in the lepidolite processing process, which comprises a gypsum slurry separation unit, a diaphragm filter pressing unit, a gypsum storage unit and a gypsum dehydration unit, wherein the gypsum slurry separation unit is communicated with the diaphragm filter pressing unit through a pipeline, and a solid outlet of the diaphragm filter pressing unit is positioned above an inlet of the gypsum storage unit, so that gypsum filtered by the diaphragm filter pressing unit directly enters the gypsum storage unit for storage, and a liquid outlet is communicated with the gypsum dehydration unit. Compared with the prior art, the gypsum dehydration system in the lepidolite treatment process provided by the utility model has the advantages that the discharged waste liquid and waste residue reach the national emission standard through the treatment of a plurality of units; meanwhile, gypsum is stored in a solid mode, so that the transportation is convenient.
Description
Technical Field
The utility model relates to a gypsum dehydration system in a lepidolite treatment process, and belongs to the technical field of lepidolite flue gas treatment.
Background
Lithium and lithium salts have been expanded from conventional application fields such as glass ceramics, electrolytic aluminum, grease, refrigeration and the like to high and new technical fields such as aluminum lithium alloy, lithium battery, nuclear fusion and the like, and particularly in the technical field of new energy sources, lithium batteries are widely applied, so that a rotary kiln for extracting lithium from lepidolite is an important chemical method, and a rotary kiln for extracting lithium from lepidolite is an important chemical device.
At present, a certain amount of gypsum filtrate is generated in the lepidolite treatment process, and the gypsum filtrate is treated in a direct storage mode at present, and the gypsum filtrate is difficult to store due to the fact that the gypsum filtrate is not treated in a mode.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a gypsum dehydration system in the process of treating lepidolite.
The technical scheme provided by the utility model for solving the technical problems is as follows: the utility model provides a handle gypsum dewatering system of lepidolite in-process, includes gypsum thick liquid separation unit, diaphragm filter-pressing unit, gypsum storage unit, gypsum dewatering unit, gypsum thick liquid separation unit passes through the pipeline intercommunication with the diaphragm filter-pressing unit, the solid outlet of diaphragm filter-pressing unit is located the top that the unit import was stored to the gypsum that the unit was stored to the gypsum that makes the diaphragm filter-pressing unit press filtered out directly get into the gypsum storage unit and store, liquid outlet and gypsum dewatering unit intercommunication.
The further technical scheme is that the gypsum slurry separation unit is a hydrocyclone, and the hydrocyclone has double functions: namely, pre-dewatering the gypsum slurry and classifying gypsum crystals; the gypsum suspension tangential flow entering the hydrocyclone produces centrifugal motion, and fine particles flow upward from the center of the hydrocyclone to form an overflow, and heavy solid particles in the hydrocyclone are thrown to the walls of the hydrocyclone and flow downward.
The further technical scheme is that the membrane filter pressing unit is a box type membrane filter press.
The further technical scheme is that the gypsum storage unit is a storage cylinder.
According to a further technical scheme, the gypsum dewatering unit comprises a vacuum belt dewatering machine and a vacuum pump.
The further technical scheme is that the gypsum dehydration unit comprises a gypsum dehydration filtrate tank, a gypsum dehydration filtrate water pump and a communicating pipeline, wherein one end of the communicating pipeline is placed in the gypsum dehydration filtrate tank, and the other end of the communicating pipeline is communicated with a water inlet of the gypsum dehydration filtrate water pump.
Compared with the prior art, the gypsum dehydration system in the lepidolite treatment process provided by the utility model has the advantages that the discharged waste liquid and waste residue reach the national emission standard through the treatment of a plurality of units; meanwhile, gypsum is stored in a solid mode, so that the transportation is convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
the figure shows: the device comprises a 1-gypsum slurry separation unit, a 2-diaphragm filter pressing unit, a 3-gypsum storage unit, a 4-gypsum dehydration filtrate tank, a 5-gypsum dehydration filtrate water pump and a 6-communication pipeline.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
As shown in fig. 1, the gypsum dehydration system in the lepidolite processing process comprises a gypsum slurry separation unit 1, a diaphragm filter pressing unit 2, a gypsum storage unit 3 and a gypsum dehydration unit, wherein the gypsum slurry separation unit 1 is communicated with the diaphragm filter pressing unit 2 through a pipeline, a solid outlet of the diaphragm filter pressing unit 2 is positioned above an inlet of the gypsum storage unit 3, so that gypsum filtered by the diaphragm filter pressing unit 2 directly enters the gypsum storage unit 3 for storage, and a liquid outlet is communicated with the gypsum dehydration unit.
In this embodiment, the gypsum slurry separation unit 1 is a hydrocyclone, which has a dual function: namely, pre-dewatering the gypsum slurry and classifying gypsum crystals; the gypsum suspension tangential flow entering the hydrocyclone produces centrifugal motion, and fine particles flow upward from the center of the hydrocyclone to form an overflow, and heavy solid particles in the hydrocyclone are thrown to the walls of the hydrocyclone and flow downward.
In this embodiment, the membrane filter-pressing unit is a chamber membrane filter press, and the variable filter chamber filter unit of the chamber membrane filter press is composed of a filter plate, a membrane plate and filter cloth, and performs solid-liquid separation on materials with the aid of a feed pump under the condition that the oil cylinder compresses the filter plate. The material to be filtered is fed into the filtering unit of the equipment by the feeding pump, and the liquid is dialyzed out of the filtering cloth by the filtering cloth in the filtering chamber, the solid is intercepted in the filtering chamber and forms a filter cake, and after the feeding is finished, water or gas is filled into the diaphragm plate to carry out secondary squeezing dehydration on the filter cake formed in the filtering chamber, so that the water is further reduced.
In this embodiment, the gypsum storage unit is a storage cartridge.
In this embodiment, the gypsum dewatering unit includes a vacuum belt dewatering machine and a vacuum pump; the vacuum degree of the dehydrator can reflect the quality of the gypsum dehydration effect. The vacuum degree of the belt conveyor is increased, the pressure is increased when the vacuum is extracted, and the water content of the reacted gypsum is larger. The pressure increases when a vacuum is drawn: firstly, the dewatering equipment runs abnormally, and the dewatering effect of the belt conveyor is poor due to low flushing water pressure or filter cloth; secondly, the gypsum slurry is caused by too small gypsum crystal in the slurry or the impurity content in the slurry is increased to cause the blockage of the filter cloth, so that water in the slurry is not easy to separate from the pores of the filter cloth.
As shown in fig. 1, in the present embodiment, the gypsum dewatering unit includes a gypsum dewatering filtrate tank 4, a gypsum dewatering filtrate water pump 5, and a communication pipe 6, one end of the communication pipe 6 is placed in the gypsum dewatering filtrate tank 4, and the other end is communicated with a water inlet of the gypsum dewatering filtrate water pump 5.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (6)
1. The utility model provides a handle gypsum dewatering system of lepidolite in-process, its characterized in that includes gypsum thick liquid separation unit, diaphragm filter-pressing unit, gypsum storage unit, gypsum dewatering unit, gypsum thick liquid separation unit passes through the pipeline intercommunication with the diaphragm filter-pressing unit, the solid outlet of diaphragm filter-pressing unit is located the top of gypsum storage unit import for the gypsum that the diaphragm filter-pressing unit filter-pressing was pressed out directly gets into the gypsum storage unit and stores, and the liquid outlet communicates with the gypsum dewatering unit.
2. A gypsum dewatering system in a process for treating lepidolite according to claim 1, wherein said gypsum slurry separation unit is a hydrocyclone.
3. The gypsum dewatering system of claim 1, wherein the membrane filter press unit is a chamber membrane filter press.
4. A gypsum dewatering system in a process for treating lepidolite according to claim 1, wherein the gypsum storage unit is a storage cartridge.
5. A gypsum dewatering system in a process of treating lepidolite according to claim 1, wherein the gypsum dewatering unit comprises a vacuum belt dewatering machine and a vacuum pump.
6. The gypsum dewatering system in a process of treating lepidolite according to claim 1, wherein the gypsum dewatering unit comprises a gypsum dewatering filtrate tank, a gypsum dewatering filtrate pump and a communicating pipeline, one end of the communicating pipeline is placed in the gypsum dewatering filtrate tank, and the other end of the communicating pipeline is communicated with a water inlet of the gypsum dewatering filtrate pump.
Priority Applications (1)
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CN202223400013.7U CN219043173U (en) | 2022-12-15 | 2022-12-15 | Gypsum dewatering system in lepidolite processing process |
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CN202223400013.7U CN219043173U (en) | 2022-12-15 | 2022-12-15 | Gypsum dewatering system in lepidolite processing process |
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