CN213040947U - Drying device of lithium hydroxide monohydrate - Google Patents
Drying device of lithium hydroxide monohydrate Download PDFInfo
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- CN213040947U CN213040947U CN202021999024.XU CN202021999024U CN213040947U CN 213040947 U CN213040947 U CN 213040947U CN 202021999024 U CN202021999024 U CN 202021999024U CN 213040947 U CN213040947 U CN 213040947U
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Abstract
The utility model discloses a drying device for lithium hydroxide monohydrate, belonging to the technical field of drying equipment, comprising a disc type dryer, a hot water storage barrel, a hot water circulating pump, a heat exchanger, and a bag-type dust remover, a draught fan and an absorption tower which are connected in sequence; the disc dryer is provided with a moisture exhaust port, a water inlet, a water outlet, a feed inlet and a discharge port, the moisture exhaust port is connected with an inlet of the bag-type dust remover, the water outlet is connected to the heat exchanger, and a hot water storage barrel and a hot water circulating pump are sequentially connected between the water inlet and the heat exchanger; the outlet of the hot water circulating pump is connected with the disc dryer, the inlet of the hot water circulating pump is connected with the hot water outlet of the hot water storage barrel, the hot water inlet of the heat exchanger is connected to the water outlet of the disc dryer, and the hot water outlet of the heat exchanger is connected to the hot water inlet of the hot water storage barrel. Compared with the traditional drying equipment, the drying equipment has the advantages of high thermal efficiency, low energy consumption, uniform drying, small occupied area, less accessory equipment, simple and convenient operation, continuous production and good quality of dried products.
Description
Technical Field
The utility model belongs to the technical field of drying equipment, concretely relates to drying device of lithium hydroxide monohydrate.
Background
Lithium hydroxide is widely applied to industries such as chemical raw materials, metallurgy, battery industry, ceramics, national defense, atomic energy, aerospace and the like, is used as an alkaline storage battery additive in the battery industry, can prolong the service life of the alkaline storage battery additive and increase the storage capacity of the alkaline storage battery additive. The main method for producing lithium hydroxide monohydrate at present is to use spodumene as a raw material and obtain the lithium hydroxide monohydrate through the process steps of high-temperature calcination transformation, acidification roasting, sodium sulfate freezing separation, evaporation, low-temperature recrystallization and the like. In the production process of lithium hydroxide, the lithium hydroxide monohydrate product is obtained by drying and removing residual moisture in crystals after evaporation and centrifugation, and the traditional drying equipment has low drying efficiency and wastes heat energy, thereby affecting the quality of the product.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a drying device of lithium hydroxide monohydrate to the problem of solution.
For realizing the purpose of the utility model, the technical proposal adopted is that: a drying device for lithium hydroxide monohydrate comprises a disc dryer, a hot water storage barrel, a hot water circulating pump, a heat exchanger, a bag-type dust remover, an induced draft fan and an absorption tower which are sequentially connected; the disc dryer is provided with a moisture exhaust port, a water inlet, a water outlet, a feed inlet and a discharge port, the moisture exhaust port is connected with an inlet of the bag-type dust remover, the water outlet is connected to the heat exchanger, and a hot water storage barrel and a hot water circulating pump are sequentially connected between the water inlet and the heat exchanger; the outlet of the hot water circulating pump is connected with the water inlet of the disc type dryer, and the inlet of the hot water circulating pump is connected with the hot water outlet of the hot water storage barrel; a hot water inlet of the heat exchanger is connected to a water outlet of the disc dryer, and a hot water outlet of the heat exchanger is connected to a hot water inlet of the hot water storage barrel.
As a further alternative, the heat exchanger is a steam heat exchanger.
As a further alternative, the feed inlet and the moisture exhaust port are both located at the top end of the disc dryer, the water inlet and the water outlet are respectively located at two opposite sides of the disc dryer, the water inlet is located at the upper portion, and the water outlet is located at the lower portion.
As a further alternative, the hot water storage barrel is connected with a water replenishing pipe, and a valve is arranged on the water replenishing pipe.
The utility model has the advantages that: the disc dryer is connected with the heat exchanger, after the heat exchanger is filled with steam to exchange heat for condensed water, hot water goes to the hot water storage barrel, hot water after heat exchange is injected into a drying disc in the disc dryer by the hot water circulating pump, the hot water is discharged from the water outlet to return to the heat exchanger for recycling, the moisture discharging port is connected with the bag-type dust collector, the draught fan and the absorption tower, and tail gas is directly discharged into the atmosphere after being treated to reach the standard. Compared with the traditional drying equipment, the drying device has the advantages of high thermal efficiency, low energy consumption, uniform drying, small occupied area of the equipment, less accessory equipment, simple and convenient operation, continuous production and good quality of dried products.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required for the description of the embodiments will be briefly introduced below, it should be understood that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a drying apparatus for lithium hydroxide monohydrate according to an embodiment of the present invention;
reference numerals: 1-a tray dryer; 2-hot water storage barrel; 3-hot water circulating pump; 4-a heat exchanger; 5-bag dust collector; 6-induced draft fan; 7-an absorption column; 8-a spray circulating pump of the absorption tower; 9-a moisture removal port; 10-a water inlet; 11-water outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. It is to be understood that the drawings are designed solely for the purposes of illustration and description and not as a definition of the limits of the invention. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Fig. 1 shows a drying device for lithium hydroxide monohydrate provided by the present invention, which comprises a disc dryer 1, a hot water storage barrel 2, a hot water circulating pump 3, a heat exchanger 4, and a bag-type dust collector 5, an induced draft fan 6 and an absorption tower 7 which are connected in sequence; the disc dryer 1 is provided with a moisture discharging port 9, a water inlet 10, a water outlet 11, a feeding port and a discharging port, the moisture discharging port 9 is connected with an inlet of the bag-type dust collector 5, the water outlet 11 is connected to the heat exchanger 4, and a hot water storage barrel 2 and a hot water circulating pump 3 are sequentially connected between the water inlet 10 and the heat exchanger 4; the outlet of the hot water circulating pump 3 is connected with the water inlet 10 of the disc type dryer 1, and the inlet is connected with the hot water outlet of the hot water storage barrel 2; a hot water inlet of the heat exchanger 4 is connected to the water outlet 11 of the disc dryer 1, and a hot water outlet of the heat exchanger 4 is connected to a hot water inlet of the hot water storage tub 2.
The internal structure of the disc type dryer 1 is the prior art, the internal structure is provided with a rotating rake blade and a plurality of drying discs which are arranged up and down and are arranged in an alternate mode, the drying discs are of hollow structures and are respectively connected with a water inlet 10 and a water outlet 11 and used for introducing a heat medium to dry materials, under the action of a rake scraping of the rotating rake blade, moisture in the materials which continuously move and roll on the drying discs is evaporated at an operating temperature, the materials flow through the drying discs and are finally discharged through a discharge port. The tray dryer 1 can be purchased and used as it is.
The heat exchanger 4 is a steam heat exchanger, steam is used for heating condensate water, the steam quantity is controlled to automatically control the water temperature, the hot water temperature is stable for a long time, the hot water enters the hot water storage barrel 2 after heat exchange, then the hot water is pumped into the drying disc of the disc type drying machine 1 through the hot water circulating pump 3, and finally the hot water returns to the heat exchanger 4 through the water outlet 11, so that the hot water is recycled, and resources are saved.
The feed inlet and the moisture exhaust port 9 are both located at the top end of the disc dryer 1, the water inlet 10 and the water outlet 11 are respectively located at two opposite sides of the disc dryer 1, the water inlet 10 is located at the upper portion, and the water outlet 11 is located at the lower portion. The hot water storage barrel 2 is connected with a water replenishing pipe, a valve is arranged on the water replenishing pipe, and when the water quantity is insufficient, new water is added through the water replenishing pipe.
The wet material is continuously fed into the dryer from the top feed inlet of the tray dryer 1 and falls onto the drying tray. Hot water enters the hot water storage barrel 2 after being subjected to heat exchange through the heat exchanger 4 and is pumped into the disc dryer 1 through the hot water circulating pump 3, the hot water enters the drying disc of the disc dryer 1, the heat exchanger 4 heats condensate water by utilizing steam, the steam quantity is controlled to automatically control the water temperature, the hot water temperature is stable for a long time, meanwhile, the hot water can be recycled, and resources are saved. The dried material falls to the bottom of the shell and is discharged from a bottom discharge hole to enter the next working procedure. Moisture overflows from the material, is discharged by establishing the hydrofuge mouth 9 on the top, discharges tail gas through draught fan 6 and handles sack cleaner 5, carries out secondary treatment in reentrant absorption tower 7, and absorption tower 7 is furnished with absorption tower spray circulation pump 8, directly discharges in the atmosphere after handling up to standard tail gas.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (4)
1. A drying device for lithium hydroxide monohydrate is characterized by comprising a disc dryer, a hot water storage barrel, a hot water circulating pump, a heat exchanger, a bag-type dust remover, an induced draft fan and an absorption tower which are sequentially connected; the disc dryer is provided with a moisture exhaust port, a water inlet, a water outlet, a feed inlet and a discharge port, the moisture exhaust port is connected with an inlet of the bag-type dust remover, the water outlet is connected to the heat exchanger, and a hot water storage barrel and a hot water circulating pump are sequentially connected between the water inlet and the heat exchanger; the outlet of the hot water circulating pump is connected with the water inlet of the disc type dryer, and the inlet of the hot water circulating pump is connected with the hot water outlet of the hot water storage barrel; a hot water inlet of the heat exchanger is connected to a water outlet of the disc dryer, and a hot water outlet of the heat exchanger is connected to a hot water inlet of the hot water storage barrel.
2. The apparatus for drying lithium hydroxide monohydrate according to claim 1, wherein said heat exchanger is a steam heat exchanger.
3. The drying device of lithium hydroxide monohydrate of claim 1, wherein the feed inlet and the moisture exhaust port are both located at the top end of the disc dryer, the water inlet and the water outlet are respectively located at two opposite sides of the disc dryer, the water inlet is located at the upper part, and the water outlet is located at the lower part.
4. The drying device of lithium hydroxide monohydrate of claim 1, wherein the hot water storage barrel is connected with a water replenishing pipe, and a valve is arranged on the water replenishing pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021999024.XU CN213040947U (en) | 2020-09-14 | 2020-09-14 | Drying device of lithium hydroxide monohydrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021999024.XU CN213040947U (en) | 2020-09-14 | 2020-09-14 | Drying device of lithium hydroxide monohydrate |
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| Publication Number | Publication Date |
|---|---|
| CN213040947U true CN213040947U (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021999024.XU Active CN213040947U (en) | 2020-09-14 | 2020-09-14 | Drying device of lithium hydroxide monohydrate |
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| Country | Link |
|---|---|
| CN (1) | CN213040947U (en) |
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2020
- 2020-09-14 CN CN202021999024.XU patent/CN213040947U/en active Active
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Address after: Room A212-017, Public Service Center, No. 1, Zhongma Avenue, Zhongma Qinzhou Industrial Park, Qinzhou Port Area, Qinzhou, China (Guangxi) Free Trade Pilot Zone, Qinzhou, Guangxi Zhuang Autonomous Region, 535000 (business site: No. 6, Dolphin Road, Qinzhou Port Economic and Technological Development Zone, Qinzhou City) Patentee after: Guangxi Yabao Lithium Industry Co.,Ltd. Address before: No.6, dolphin Road, Qinzhou port, Qinzhou City, Guangxi Zhuang Autonomous Region Patentee before: Guangxi Tianyuan new energy materials Co.,Ltd. |