CN213100903U - Continuous freezing crystallization complete equipment - Google Patents
Continuous freezing crystallization complete equipment Download PDFInfo
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- CN213100903U CN213100903U CN202021181898.4U CN202021181898U CN213100903U CN 213100903 U CN213100903 U CN 213100903U CN 202021181898 U CN202021181898 U CN 202021181898U CN 213100903 U CN213100903 U CN 213100903U
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Abstract
The utility model relates to a continuous freezing crystallization complete equipment belongs to freezing crystallization equipment technical field. Comprises a crystallization material side device and a refrigerant side device which are communicated with each other; the crystallization material side equipment comprises a crystallizer, a crystallization circulating pump and an external cooler, wherein the crystallizer is provided with the crystallization circulating pump; the refrigerant side equipment comprises a gas-liquid separator and a condenser; a refrigerant inlet of the external cooler is communicated with a liquid phase outlet of the gas-liquid separator, and a refrigerant outlet of the external cooler is communicated with a steam inlet of the gas-liquid separator; the material inlet of the external cooler is communicated with the outlet of the crystallization circulating pump, and the material outlet of the external cooler is communicated with the material inlet of the crystallizer; the gas-phase outlet of the gas-liquid separator is communicated with the compressor, and the compressor is also communicated with the gas-phase inlet of the condenser; the liquid phase outlet of the condenser is communicated with the liquid phase inlet of the gas-liquid separator. The utility model discloses a freezing crystallization integrated equipment, work efficiency is high, and the running cost is low, and performance is good.
Description
Technical Field
The utility model relates to a continuous freezing crystallization complete equipment belongs to freezing crystallization equipment technical field.
Background
At present, a freezing and crystallizing device is a crystallizer and a freezing water system (a refrigerating unit), wherein the crystallizer is in a form of a crystallizer and a heat exchanger; the refrigerating unit comprises main equipment such as an evaporator, a condenser, a compressor, a pump and the like and a pipeline instrument; the cooling capacity required by the crystallization system is provided by refrigeration circulating water (mostly glycol aqueous solution or other alcohol aqueous solutions), and the cooling capacity of the refrigeration circulating water is provided by a refrigerating unit.
The prior art has the following defects:
1. the heat exchange area of the heat exchanger of the crystallizer is large due to the fact that the low-temperature ethylene glycol aqueous solution or other secondary refrigerants have large viscosity and small heat transfer coefficient.
2. The refrigeration circulating water is circularly conveyed by a pump with large flow between the heat exchanger of the crystallizer and the refrigerating unit, and extra power consumption is generated.
2. The cold quantity is transferred to the secondary refrigerant (freezing circulating water) through the refrigerating unit and then transferred to the material, the temperature difference is of a large level, and the refrigerating unit is loaded.
The prior system has long process route, more equipment, high energy consumption and large investment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a continuous freezing crystallization complete equipment.
In order to realize the purpose, the utility model discloses a technical scheme is:
a continuous freezing crystallization complete device comprises a crystallization material side device and a refrigerant side device which are communicated with each other; the crystallization material side equipment comprises a crystallizer, a crystallization circulating pump and an external cooler, wherein the crystallizer is provided with the crystallization circulating pump; the refrigerant side equipment comprises a gas-liquid separator and a condenser; a refrigerant inlet of the external cooler is communicated with a liquid phase outlet of the gas-liquid separator, and a refrigerant outlet of the external cooler is communicated with a steam inlet of the gas-liquid separator; the material inlet of the external cooler is communicated with the outlet of the crystallization circulating pump, and the material outlet of the external cooler is communicated with the material inlet of the crystallizer; the gas-phase outlet of the gas-liquid separator is communicated with the compressor, and the compressor is also communicated with the gas-phase inlet of the condenser; the liquid phase outlet of the condenser is communicated with the liquid phase inlet of the gas-liquid separator.
The utility model discloses a further improvement does: a control valve is arranged on a pipeline between the liquid phase outlet of the condenser and the liquid phase inlet of the gas-liquid separator.
The utility model discloses a further improvement does: and a control valve is arranged on a pipeline for communicating the gas-phase outlet of the gas-liquid separator with the compressor.
The utility model discloses a further improvement does: a throttle valve is arranged on a pipeline between a liquid phase outlet of the condenser and a liquid phase inlet of the gas-liquid separator.
The utility model discloses a further improvement does: the condenser is an evaporative condenser, a tubular condenser or a plate condenser.
The utility model discloses a further improvement does: the crystallizer is one of a stirred tank, a jacketed tank or an oslo crystallizer.
Since the technical scheme is used, the utility model discloses the technological effect who gains has:
the utility model discloses a freezing crystallization integrated equipment directly sends the external outer cooler that is used for the heat transfer of crystallizer with the refrigerant after the condensation, and the material heat only just transmits for the refrigerant through a heat transfer, has avoided the refrigerant (freezing circulation water secondary refrigerant) circulation transport link among the traditional refrigerating unit, has avoided extra consumption of power.
The utility model discloses an outer cooler of freezing crystallization integrated equipment's crystallizer can enough regard as the cooler of crystallizer, is the evaporimeter of refrigerant in the refrigerating unit again.
The utility model discloses a cold source side of the external cooler of the crystallizer among the freezing crystallization complete set belongs to the boiling and conducts heat, has higher coefficient of heat transfer, has reduced external heat exchanger's heat transfer area, has reduced the equipment investment.
The utility model discloses a freezing crystallization integrated equipment reduces the outer cooler area of crystallizer, makes the circulation volume of material reduce between crystallizer and external heat exchanger, when not influencing crystallization heat exchange efficiency, has reduced the investment and the running cost of circulating pump.
The utility model discloses a freezing crystallization process route section, the equipment that uses is few, and the energy consumption is low, and comprehensive performance is good.
Drawings
FIG. 1 is a schematic structural view of the present invention;
the system comprises a crystallizer 1, a crystallizer 2, a crystallization circulating pump 3, an external cooler 4, a gas-liquid separator 5, a compressor 6, a throttle valve 7, a condenser 8 and a control valve.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments:
the utility model discloses a continuous freezing crystallization complete equipment, which is a device capable of realizing continuous crystallization.
As shown in figure 1, the continuous freezing crystallization complete equipment mainly comprises a crystallization material side device and a refrigerant side device, wherein the crystallization material side device and the refrigerant side device are communicated with each other, so that the heat transfer is realized.
The crystallizing material side equipment mainly comprises a crystallizer 1 and an external cooler 3, and a crystallizing circulating pump 2 is arranged on the crystallizer 1. The crystallizer 1 is provided with a material inlet and a slurry outlet, the material enters the crystallizer 1, and slurry formed after crystallization is discharged from the slurry outlet. The material inlet of the external cooler 3 is communicated with the outlet of the crystallization circulating pump 2, and the material outlet of the external cooler 3 is communicated with the material inlet of the crystallizer 1. The material driven by the crystallization circulating pump 2 enters the external cooler 3 to exchange heat with the refrigerant to realize crystallization, and enters the crystallizer 1 again after the heat exchange is finished, and the material is crystallized to become slurry. The crystallization circulation pump 2 continuously circulates the material between the crystallizer 1 and the external cooler 3. The refrigerant is a refrigerant for transferring heat to perform cooling, and the refrigerant circulates and transfers heat between the respective devices on the refrigerant side.
The refrigerant side equipment includes a gas-liquid separator 4 and a condenser 7.
The crystallization material side equipment is communicated with the refrigerant side equipment, specifically, the external cooler 3 is communicated with the gas-liquid separator 4.
The refrigerant is used for exchanging heat with the material in the external cooler 3, and the refrigerant absorbs heat in the external cooler 3 to be evaporated and vaporized. The vaporized refrigerant enters a gas-liquid separator 4; and (3) separating gas phase from liquid phase in the gas-liquid separator 4, wherein the gas phase enters the compressor 5 to be compressed, the gas phase is sent to the condenser 7 to release heat and be condensed into liquid phase condensate after the temperature and the pressure are increased, the condensate enters the external cooler 3 again to exchange heat with the material, and then is evaporated and vaporized, and the circulation is carried out in sequence. The liquid phase separated by the gas-liquid separator 4 enters the external cooler 3 again.
The refrigerant side equipment is specifically connected in a way that a refrigerant inlet of the external cooler 3 is communicated with a liquid phase outlet of the gas-liquid separator 4, and a refrigerant outlet of the external cooler 3 is communicated with a steam inlet of the gas-liquid separator 4; the gas-phase outlet of the gas-liquid separator 4 is communicated with the compressor 5, and the compressor 5 is also communicated with the gas-phase inlet of the condenser 7; the liquid phase outlet of the condenser 7 is communicated with the liquid phase inlet of the gas-liquid separator 4, and the liquid phase refrigerant formed after condensation by the condenser 7 and the liquid phase refrigerant separated by the gas-liquid separator 6 enter the external cooler 3 together to exchange heat with the material.
In a specific implementation, a control valve 8 is arranged on a pipeline between the liquid phase outlet of the condenser 7 and the liquid phase inlet of the gas-liquid separator 4. A control valve 8 is also provided on a pipe connecting the gas phase outlet of the gas-liquid separator 4 and the compressor 5.
In a specific implementation, a throttle valve 6 is arranged on a pipeline between a liquid-phase outlet of the condenser 7 and a liquid-phase inlet of the gas-liquid separator 4, and the throttle valve 6 can control the flow rate of the liquid-phase refrigerant.
The condenser 7 in the device is an evaporative condenser, a shell and tube condenser or a plate condenser, but is not limited to these three condensers.
The crystallizer 1 in the device is one of a stirred tank, a jacketed tank or an oslo crystallizer, but is not limited to three crystallizing devices.
The external cooler in the device can be an external heat exchanger, an internal coil type heat exchanger or a jacketed tank, but is not limited to the three devices.
The utility model discloses a freezing crystallization integrated equipment, work efficiency is high, and the running cost is low.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A continuous freezing crystallization complete equipment is characterized in that: comprises a crystallization material side device and a refrigerant side device which are communicated with each other; the crystallization material side equipment comprises a crystallizer (1), a crystallization circulating pump (2) arranged on the crystallizer (1), and an external cooler (3); the refrigerant side equipment comprises a gas-liquid separator (4) and a condenser (7); a refrigerant inlet of the external cooler (3) is communicated with a liquid phase outlet of the gas-liquid separator (4), and a refrigerant outlet of the external cooler (3) is communicated with a steam inlet of the gas-liquid separator (4); the material inlet of the external cooler (3) is communicated with the outlet of the crystallization circulating pump (2), and the material outlet of the external cooler (3) is communicated with the material inlet of the crystallizer (1); the gas-phase outlet of the gas-liquid separator (4) is communicated with the compressor (5), and the compressor (5) is also communicated with the gas-phase inlet of the condenser (7); the liquid phase outlet of the condenser (7) is communicated with the liquid phase inlet of the gas-liquid separator (4).
2. A continuous freeze crystallization kit as claimed in claim 1 wherein: a control valve (8) is arranged on a pipeline between the liquid phase outlet of the condenser (7) and the liquid phase inlet of the gas-liquid separator (4).
3. A continuous freeze crystallization kit as claimed in claim 1 wherein: a control valve (8) is arranged on a pipeline which is communicated with the gas-phase outlet of the gas-liquid separator (4) and the compressor (5).
4. A continuous freeze crystallization kit as claimed in claim 1 wherein: a throttle valve (6) is arranged on a pipeline between a liquid phase outlet of the condenser (7) and a liquid phase inlet of the gas-liquid separator (4).
5. A continuous freeze crystallization kit as claimed in any one of claims 1 to 4 wherein: the condenser (7) is an evaporative condenser, a shell and tube condenser or a plate condenser.
6. A continuous freeze crystallization kit as claimed in any one of claims 1 to 4 wherein: the crystallizer (1) is one of a stirred tank, a jacketed tank or an oslo crystallizer.
Priority Applications (1)
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CN202021181898.4U CN213100903U (en) | 2020-06-23 | 2020-06-23 | Continuous freezing crystallization complete equipment |
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CN202021181898.4U CN213100903U (en) | 2020-06-23 | 2020-06-23 | Continuous freezing crystallization complete equipment |
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CN213100903U true CN213100903U (en) | 2021-05-04 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114210087A (en) * | 2021-12-13 | 2022-03-22 | 江西赣锋锂业股份有限公司 | Non-medium freezing crystallization system |
CN114452673A (en) * | 2022-01-29 | 2022-05-10 | 常州中源工程技术有限公司 | Continuous freezing crystallization kettle and freezing crystallization device thereof |
-
2020
- 2020-06-23 CN CN202021181898.4U patent/CN213100903U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114210087A (en) * | 2021-12-13 | 2022-03-22 | 江西赣锋锂业股份有限公司 | Non-medium freezing crystallization system |
CN114452673A (en) * | 2022-01-29 | 2022-05-10 | 常州中源工程技术有限公司 | Continuous freezing crystallization kettle and freezing crystallization device thereof |
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