CN214388959U - TVR double-effect evaporation system applied to continuous crystallization of organic acid - Google Patents
TVR double-effect evaporation system applied to continuous crystallization of organic acid Download PDFInfo
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- CN214388959U CN214388959U CN202023208609.8U CN202023208609U CN214388959U CN 214388959 U CN214388959 U CN 214388959U CN 202023208609 U CN202023208609 U CN 202023208609U CN 214388959 U CN214388959 U CN 214388959U
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Abstract
The utility model discloses a TVR double-effect evaporation system applied to continuous crystallization of organic acid, which comprises a raw material tank, a first-effect concentration unit and a second-effect crystallization unit, wherein the first-effect concentration unit comprises a first-effect circulation tank connected to the top of a first-effect separation tank, and the second-effect crystallization unit comprises a second-effect crystallization tank and a second-effect circulation tank; the discharge gate of head tank links to each other through the feed pump with the feed inlet of an effect knockout drum, and the discharge gate of an effect knockout drum is through connecing one to imitate the circulating pump, and the discharge gate of an effect circulating pump divides two tunnel, and one way connects the feed inlet of an effect knockout drum, and another way connects the first feed inlet of two effect crystallizer, and the discharge gate of two effect crystallizer connects two effect circulating pump, and the discharge gate of two effect circulating pump divides two tunnel, and the second feed inlet of two effect crystallizer is connected through two effect circulating tanks all the way, and another way connects the discharge pump.
Description
Technical Field
The utility model relates to an evaporator, in particular to double-effect evaporator.
Background
Citric acid is an important organic acid, also called citric acid, colorless crystal, often contains a molecular crystal water, is odorless, has strong sour taste and is easily dissolved in water. Its calcium salt is more soluble in cold water than in hot water, a property commonly used to identify and isolate citric acid. The anhydrous citric acid can be obtained by controlling the proper temperature during the crystallization. Has a great number of applications in industry, food industry, cosmetics industry and the like. The traditional organic acid concentration and crystallization evaporator design divides the concentration and crystallization into 2 independent systems to work.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a TVR double-effect evaporation system for organic acid continuous crystallization practices thrift the process, reduces the steam consumption.
The purpose of the utility model is realized like this: a TVR double-effect evaporation system applied to continuous crystallization of organic acid comprises a raw material tank, a first-effect concentration unit and a second-effect crystallization unit, wherein the first-effect concentration unit comprises a first-effect circulation tank connected to the top of a first-effect separation tank, and the second-effect crystallization unit comprises a second-effect crystallization tank and a second-effect circulation tank; the discharge gate of head tank links to each other through the feed pump with a feed inlet of imitating the knockout drum, and one imitates the discharge gate of knockout drum and imitates the circulating pump through connecing one, and one imitates the discharge gate of circulating pump and divides two tunnel, and one connects the feed inlet of an effect circulating tank, and another connects the first feed inlet of two effect crystallizer, the discharge gate of two effect crystallizer connects two effect circulating pump, two discharge gates of two effect circulating pump divide two tunnel, and two effect crystallizer's second feed inlet is connect through two effect circulating tanks all the way, and another connects the discharge pump.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model combines the concentration and crystallization sections into a set of system, improves the production efficiency, and can adjust the crystal growth of the crystallization section by controlling the material concentration of the concentration section through the one-effect circulating pump and the one-effect circulating tank; finally, on the premise of saving the operation cost, the crystallization rate is improved, and the system can also meet the requirement of continuous feeding and continuous discharging.
As the utility model discloses an improvement still includes the TVR heat pump, the steam ejector is selected for use to the TVR heat pump, it imitates the heat exchanger to be provided with one on the circulation jar to imitate, be provided with two effect heat exchangers on two effect circulation jars, steam ejector's high pressure steam mouth connects the steam heat source, steam ejector's mixed steam mouth connects the air inlet of an effect heat exchanger, steam ejector's low pressure steam mouth connects the gas vent of an effect knockout drum through first tee bend, and another export of first tee bend connects the air inlet of two effect heat exchangers, and the condensation mouth of a river of an effect circulation jar and two effect circulation jars connects the comdenstion water processing unit. The utility model discloses and increase one set of TVR heat pump technique, can reduce the steam consumption more than 60%.
In order to enable the steam ejector to be used more flexibly, a high-pressure steam port and a mixed steam port of the steam ejector are connected through a bypass pipe, and a manual valve is arranged on the bypass pipe.
In order to make the utility model discloses use more in a flexible way, one imitate the knockout drum and one imitate and link to each other through the three-way pipe between the circulating pump, the other termination discharge pump of three-way sleeve pipe. But also has the application environment that the materials processed by the one-effect separation tank can be directly discharged.
Drawings
Fig. 1 is a structural schematic diagram of the present invention.
The system comprises a raw material tank 1, a 2a first-effect separation tank, a 2b first-effect circulating pipe, a 2c first-effect heat exchanger, a 2d first-effect circulating pump, a 3a second-effect crystallization tank, a 3b second-effect circulating tank, a 3c second-effect heat exchanger, a 3d second-effect circulating pump, a 4 steam ejector, a 5 bypass pipe, a 5a manual valve, a 6 feeding pump and a 7 discharging pump.
Detailed Description
As shown in fig. 1, a TVR double-effect evaporation system applied to continuous crystallization of organic acid comprises a head tank 1, a first-effect concentration unit, a second-effect crystallization unit and a TVR heat pump, wherein the first-effect concentration unit comprises a first-effect circulation tank 2b connected to the top of a first-effect separation tank 2a, the second-effect crystallization unit comprises a second-effect crystallization tank 3a and a second-effect circulation tank 3b, and the TVR heat pump selects a steam ejector 4.
The discharge port of the raw material tank 1 is connected with the feed port of the first-effect separation tank 2a through a feed pump 6, the discharge port of the first-effect separation tank 2a is connected with a first-effect circulating pump 2d through a first-effect circulating pump 2d, the discharge port of the first-effect circulating pump 2d is divided into two paths, one path is connected with the feed port of the first-effect circulating tank 2b, the other path is connected with the first feed port of the second-effect crystallizing tank 3a, the discharge port of the second-effect crystallizing tank 3a is connected with a second-effect circulating pump 3d, the discharge port of the second-effect circulating pump 3d is divided into two paths, one path is connected with the second feed port of the second-effect crystallizing tank 3a through the second-effect circulating tank 3b, the other path is connected with a discharge pump 7, the first-effect circulating tank 2b is provided with a first-effect heat exchanger 2c, the second-effect circulating tank 3b is provided with a second-effect heat exchanger 3c, the high-pressure steam port of a steam ejector 4 is connected with a steam heat source, the mixed steam port of the steam ejector 4 is connected with the air inlet of the first-effect heat exchanger 2c, the low-pressure steam port of the steam ejector 4 is connected with the exhaust port of the first-effect separation tank 2a third-effect separation tank 2a, the other outlet of the first tee joint is connected with an air inlet of a double-effect heat exchanger 3c, condensation water outlets of a first-effect circulating tank 2b and a double-effect circulating tank 3b are connected with a condensation water treatment unit, a high-pressure steam port of a steam ejector 4 is connected with a mixed steam port through a bypass pipe 5, a manual valve 5a is arranged on the bypass pipe 5, the first-effect separating tank 2a is connected with a first-effect circulating pump 2d through a three-way pipe, and the other end of the three-way sleeve is connected with a discharging pump 7.
The utility model discloses the during operation, the flow direction of material as follows: the raw material tank 1 → the feed pump 6 → the first effect separation tank 2a → the second effect crystallization tank 3a → the discharge pump 7 → the finished product; the utility model combines the concentration and crystallization working sections into a set of system, and adds a set of TVR heat pump technology, which can reduce steam consumption by more than 60%, and can adjust the crystal growth of the crystallization working section by controlling the material concentration of the concentration working section; finally, on the premise of saving the operation cost, the crystallization rate is improved, and the system can also meet the requirement of continuous feeding and continuous discharging.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.
Claims (4)
1. The TVR double-effect evaporation system applied to continuous crystallization of organic acid is characterized by comprising a raw material tank, a first-effect concentration unit and a second-effect crystallization unit, wherein the first-effect concentration unit comprises a first-effect circulation tank connected to the top of a first-effect separation tank, and the second-effect crystallization unit comprises a second-effect crystallization tank and a second-effect circulation tank; the discharge gate of head tank links to each other through the feed pump with a feed inlet of imitating the knockout drum, and one imitates the discharge gate of knockout drum and imitates the circulating pump through connecing one, and one imitates the discharge gate of circulating pump and divides two tunnel, and one connects the feed inlet of an effect circulating tank, and another connects the first feed inlet of two effect crystallizer, the discharge gate of two effect crystallizer connects two effect circulating pump, two discharge gates of two effect circulating pump divide two tunnel, and two effect crystallizer's second feed inlet is connect through two effect circulating tanks all the way, and another connects the discharge pump.
2. The TVR double-effect evaporation system applied to the continuous crystallization of the organic acid as claimed in claim 1, further comprising a TVR heat pump, wherein the TVR heat pump is a steam ejector, the first-effect circulation tank is provided with a first-effect heat exchanger, the second-effect circulation tank is provided with a second-effect heat exchanger, a high-pressure steam port of the steam ejector is connected with a steam heat source, a mixed steam port of the steam ejector is connected with an air inlet of the first-effect heat exchanger, a low-pressure steam port of the steam ejector is connected with an air outlet of the first-effect separation tank through a first tee joint, the other outlet of the first tee joint is connected with an air inlet of the second-effect heat exchanger, and condensation water ports of the first-effect circulation tank and the second-effect circulation tank are connected with a condensation water treatment unit.
3. The TVR double-effect evaporation system for continuous crystallization of organic acid according to claim 2, wherein the high-pressure steam port and the mixed steam port of the steam ejector are connected through a bypass pipe, and a manual valve is arranged on the bypass pipe.
4. The TVR double-effect evaporation system applied to the continuous crystallization of the organic acid as claimed in any one of claims 1 to 3, wherein the first-effect separation tank is connected with the first-effect circulating pump through a three-way pipe, and the other end of the three-way pipe is connected with a discharge pump.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023208609.8U CN214388959U (en) | 2020-12-28 | 2020-12-28 | TVR double-effect evaporation system applied to continuous crystallization of organic acid |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023208609.8U CN214388959U (en) | 2020-12-28 | 2020-12-28 | TVR double-effect evaporation system applied to continuous crystallization of organic acid |
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| CN214388959U true CN214388959U (en) | 2021-10-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114405031A (en) * | 2021-12-16 | 2022-04-29 | 佛山德众制药机械有限公司 | Double-saturation heat pump crystallization double-effect concentration unit |
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2020
- 2020-12-28 CN CN202023208609.8U patent/CN214388959U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114405031A (en) * | 2021-12-16 | 2022-04-29 | 佛山德众制药机械有限公司 | Double-saturation heat pump crystallization double-effect concentration unit |
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