CN214019226U - MVR evaporation concentration equipment for lithium hydroxide treatment industry - Google Patents
MVR evaporation concentration equipment for lithium hydroxide treatment industry Download PDFInfo
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- CN214019226U CN214019226U CN202022980702.4U CN202022980702U CN214019226U CN 214019226 U CN214019226 U CN 214019226U CN 202022980702 U CN202022980702 U CN 202022980702U CN 214019226 U CN214019226 U CN 214019226U
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Abstract
The utility model relates to a MVR evaporation concentration equipment for lithium hydroxide treatment trade, including condensate water preheater, steam preheater, the crystallizer, heating chamber I, heating chamber II and compressor, condensate water preheater passes through the material pipeline with steam preheater and links to each other, steam preheater passes through the material pipeline and links to each other with heating chamber I, heating chamber II and crystallizer link to each other and form material circulation route, the compressor passes through steam pipeline and crystallizer respectively, heating chamber I links to each other with heating chamber II, steam preheater, heating chamber I and heating chamber II link to each other with condensate water preheater through condensate water piping respectively. The utility model has the advantages of simple integral structure, not only reduce the consumption of the energy, reduce cost can also guarantee the heating effect moreover, improves crystallization efficiency.
Description
Technical Field
The utility model belongs to the technical field of lithium hydroxide is handled, concretely relates to MVR evaporation concentration equipment for lithium hydroxide handles trade.
Background
In the lithium hydroxide treatment industry, when feed liquid is concentrated and crystallized, a large amount of steam is needed, the treatment cost is high, and the energy consumption is high. In the prior art, the MVR equipment is adopted for processing the lithium hydroxide, and the heating crystallization process only forms circulating heating crystallization between one heating chamber and the crystallizer, so that the situation that partial materials cannot be heated or the partial materials are excessively added is caused, the materials cannot be uniformly heated, the heating effect is poor, and the crystallization efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a MVR evaporation concentration equipment for lithium hydroxide treatment industry to solve the problem that crystallization efficiency is low.
The utility model discloses a MVR evaporation concentration equipment for lithium hydroxide treatment industry is realized like this:
an MVR evaporation concentration device for lithium hydroxide treatment industry comprises a condensed water preheater, a steam preheater, a crystallizer, a heating chamber I, a heating chamber II and a compressor, wherein,
the condensation water preheater is connected with the steam preheater through a material pipeline, the steam preheater is connected with the heating chamber I through a material pipeline, the heating chamber I, the heating chamber II and the crystallizer are connected to form a material circulation passage, the compressor is respectively connected with the crystallizer, the heating chamber I and the heating chamber II through steam pipelines, and the steam preheater, the heating chamber I and the heating chamber II are respectively connected with the condensation water preheater through condensation water pipelines.
Furthermore, a feed inlet of the condensate water preheater is connected with a feed pump.
Furthermore, a discharge port of the condensed water preheater is connected with the steam preheater through a material pipeline I.
Further, a material pipeline III is connected between the heating chamber I and the crystallizer, a material pipeline IV is connected between the heating chamber II and the crystallizer, and a material pipeline V is connected between the heating chamber I and the heating chamber II;
and a circulating pump is arranged on the material pipeline V.
Furthermore, a discharge port of the steam preheater is connected with the material pipeline III through a material pipeline II.
Further, a steam outlet of the crystallizer is connected with a steam inlet of the compressor through a steam pipeline I;
and a demister is arranged on the steam pipeline I.
Furthermore, a steam outlet of the compressor is respectively connected with steam inlets of the heating chamber I and the heating chamber II through a steam pipeline II.
Furthermore, the heating chamber I and the heating chamber II are respectively connected with a water inlet of the condensate water preheater through a condensate water pipeline I.
Furthermore, the steam preheater is connected with the water inlet of the condensate water preheater through a condensate water pipeline II.
Furthermore, the lower end of the crystallizer is connected with a discharging pipeline, and a discharging pump is installed on the discharging pipeline.
After the technical scheme is adopted, the utility model discloses the beneficial effect who has does:
(1) the utility model has simple integral structure, and can apply the secondary steam evaporated from the material to the heating process again, thereby reducing the energy consumption and saving the cost;
(2) the utility model discloses the crystallizer can make the material be heated evenly through combining with two heating chambers and form complete heating crystallization circulation circuit, guarantees the effect of heating, improves concentrated crystallization efficiency.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a block diagram of an MVR evaporative concentration apparatus for the lithium hydroxide processing industry according to a preferred embodiment of the present invention;
in the figure: condensate water preheater 1, steam preheater 2, crystallizer 3, heating chamber I4, heating chamber II 5, compressor 6, charge pump 7, material pipeline I8, material pipeline III 9, material pipeline IV 10, material pipeline V11, circulating pump 12, material pipeline II 13, steam conduit I14, demister 15, steam conduit II 16, condensate water pipeline I17, condensate water pipeline II 18, row's material pipeline 19, row's material pump 20.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in figure 1, an MVR evaporation concentration equipment for lithium hydroxide treatment industry, including condensate water preheater 1, steam preheater 2, crystallizer 3, heating chamber I4, heating chamber II 5 and compressor 6, condensate water preheater 1 passes through the material pipeline with steam preheater 2 and links to each other, steam preheater 2 passes through the material pipeline and links to each other with heating chamber I4, heating chamber II 5 and crystallizer 3 link to each other and form the material circulation route, compressor 6 passes through steam conduit and crystallizer 3 respectively, heating chamber I4 and heating chamber II 5 link to each other, steam preheater 2, heating chamber I4 and heating chamber II 5 link to each other with condensate water preheater 1 through the condensate water pipeline respectively.
For single heating chamber, the utility model discloses a two heating chambers can reduce equipment size, make things convenient for equipment fixing, have reduced circulating pump 12's design rated flow simultaneously, can choose for use circulating pump 12 of lower rated flow, have reduced equipment investment's cost, reduce running cost. And compared with a single heating chamber, the double heating chambers have higher heat transfer coefficient, more uniform solution heating, more uniform lithium hydroxide crystallization and better crystallization effect.
The feed inlet of the condensate water preheater 1 is connected with a feed pump 7.
The feeding pump 7 is arranged, so that the materials can be conveniently powered to enter the condensate water preheater 1.
The material preheats after twice and heats the crystallization to guarantee the crystallization effect, consequently, condensate water preheater 1's discharge gate passes through material pipeline I8 and links to each other with steam preheater 2.
In order to form a circulation loop for heating crystallization, a material pipeline III 9 is connected between the heating chamber I4 and the crystallizer 3, a material pipeline IV 10 is connected between the heating chamber II 5 and the crystallizer 3, and a material pipeline V11 is connected between the heating chamber I4 and the heating chamber II 5.
In order to provide power for the circulation of the material, a circulation pump 12 is arranged on the material pipeline V11.
In order to feed the preheated material into the heating chamber for heating crystallization circulation, the discharge port of the steam preheater 2 is connected with a material pipeline III 9 through a material pipeline II 13.
Specifically, the material enters a heating chamber I4 through a material pipeline II 13 and a material pipeline III 9, enters a heating chamber II 5 through a material pipeline V11 after primary heating, is subjected to secondary heating, then enters a crystallizer 3 through a material pipeline IV 10 to be crystallized, and the uncrystallized material liquid enters the heating chamber I4 and the heating chamber II 5 again to be crystallized after cyclic heating, so that cyclic heating crystallization is realized.
In order to be able to use the secondary steam evaporated from the material for heating the heating chamber, the steam outlet of the crystallizer 3 is connected to the steam inlet of the compressor 6 via a steam line i 14.
The secondary steam evaporated from the material is entrained with a large amount of liquid and foam, which is very likely to cause corrosion and damage to the equipment, and therefore, in order to remove the liquid and foam from the secondary steam, the steam pipeline i 14 is provided with a demister 15.
The compressor 6 can pressurize and heat up the secondary steam so as to heat the materials in the heating chamber, and a steam outlet of the compressor 6 is respectively connected with steam inlets of the heating chamber I4 and the heating chamber II 5 through a steam pipeline II 16.
In order to recycle water generated by condensing water vapor in the heating chamber, the heating chamber I4 and the heating chamber II 5 are respectively connected with a water inlet of the condensate water preheater 1 through a condensate water pipeline I17.
In order to be able to recycle the water resulting from the condensation of the water vapor in the steam preheater 2, the steam preheater 2 is connected to the water inlet of the condensate preheater 1 via a condensate water line ii 18.
The lower end of the crystallizer 3 is connected with a discharge pipeline 19, and a discharge pump 20 is arranged on the discharge pipeline 19.
The discharge pipe 19 and the discharge pump 20 are arranged to facilitate the discharge of the crystallized material.
The compressor 6 may be a 20-ton 14-degree centrifugal steam compressor 6 produced by DevyTo turbine machinery Limited of Zu An Liyang.
The material enters the condensate water preheater 1 by using the feed pump 7 to be preheated for the first time, enters the steam preheater 2 after being preheated for the first time, is preheated for the second time to reach the evaporation temperature, and enters a heating crystallization circulation loop formed by a heating chamber and the crystallizer 3 after being preheated for the second time to be heated and crystallized, and crystal generated in the crystallizer 3 can be discharged from a discharge pipeline 19 by using the discharge pump 20. The secondary steam evaporated from the material in the crystallization process is pressurized and heated by the compressor 6, and then is sent into the heating chamber again to heat the material, after the heating chamber and the steam preheater 2 heat the material, the condensed water generated by the steam can be sent into the condensed water preheater 1 to preheat the material for the first time, the energy consumption is reduced in the whole treatment process, and the treatment cost is reduced.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. An MVR evaporation and concentration device used in the lithium hydroxide treatment industry is characterized by comprising a condensed water preheater (1), a steam preheater (2), a crystallizer (3), a heating chamber I (4), a heating chamber II (5) and a compressor (6),
condensate water preheater (1) links to each other through the material pipeline with steam preheater (2), steam preheater (2) link to each other with heating chamber I (4) through the material pipeline, heating chamber I (4), heating chamber II (5) and crystallizer (3) link to each other and form material circulation route, compressor (6) respectively through the steam pipeline with crystallizer (3), heating chamber I (4) and heating chamber II (5) link to each other, steam preheater (2), heating chamber I (4) and heating chamber II (5) respectively through the condensate water pipeline with condensate water preheater (1) links to each other.
2. The MVR evaporative concentration apparatus for the lithium hydroxide handling industry according to claim 1, wherein a feed pump (7) is connected to a feed inlet of the condensed water preheater (1).
3. The MVR evaporative concentration apparatus for the lithium hydroxide treatment industry according to claim 1, wherein the discharge port of the condensed water preheater (1) is connected with the steam preheater (2) through a material pipeline I (8).
4. The MVR evaporation and concentration equipment for the lithium hydroxide treatment industry according to claim 1, wherein a material pipeline III (9) is connected between the heating chamber I (4) and the crystallizer (3), a material pipeline IV (10) is connected between the heating chamber II (5) and the crystallizer (3), and a material pipeline V (11) is connected between the heating chamber I (4) and the heating chamber II (5);
and a circulating pump (12) is arranged on the material pipeline V (11).
5. The MVR evaporation and concentration equipment for the lithium hydroxide treatment industry according to claim 4, wherein the discharge port of the steam preheater (2) is connected with the material pipeline III (9) through a material pipeline II (13).
6. The MVR evaporative concentration apparatus for the lithium hydroxide processing industry according to claim 1, wherein the vapor outlet of the crystallizer (3) is connected with the vapor inlet of the compressor (6) through a vapor pipeline I (14);
and a demister (15) is arranged on the steam pipeline I (14).
7. The MVR evaporative concentration apparatus for the lithium hydroxide processing industry according to claim 1, wherein the vapor outlet of the compressor (6) is connected with the vapor inlets of the heating chamber I (4) and the heating chamber II (5) through the vapor pipeline II (16), respectively.
8. The MVR evaporative concentration apparatus for the lithium hydroxide treatment industry according to claim 1, wherein the heating chamber I (4) and the heating chamber II (5) are respectively connected with the water inlet of the condensed water preheater (1) through a condensed water pipeline I (17).
9. The MVR evaporative concentration apparatus for the lithium hydroxide treatment industry according to claim 1, wherein the steam preheater (2) is connected with the water inlet of the condensed water preheater (1) through a condensed water pipe II (18).
10. The MVR evaporation and concentration equipment for the lithium hydroxide treatment industry according to claim 1, wherein a discharge pipeline (19) is connected to the lower end of the crystallizer (3), and a discharge pump (20) is installed on the discharge pipeline (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022980702.4U CN214019226U (en) | 2020-12-10 | 2020-12-10 | MVR evaporation concentration equipment for lithium hydroxide treatment industry |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022980702.4U CN214019226U (en) | 2020-12-10 | 2020-12-10 | MVR evaporation concentration equipment for lithium hydroxide treatment industry |
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| CN214019226U true CN214019226U (en) | 2021-08-24 |
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| CN202022980702.4U Active CN214019226U (en) | 2020-12-10 | 2020-12-10 | MVR evaporation concentration equipment for lithium hydroxide treatment industry |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113648676A (en) * | 2021-09-23 | 2021-11-16 | 连云港诺信食品配料有限公司 | Evaporation plant is used in calcium propionate production |
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2020
- 2020-12-10 CN CN202022980702.4U patent/CN214019226U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113648676A (en) * | 2021-09-23 | 2021-11-16 | 连云港诺信食品配料有限公司 | Evaporation plant is used in calcium propionate production |
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