CN211936819U - Heat exchange system for ultrahigh pressure refrigeration equipment and ultrahigh pressure refrigeration equipment - Google Patents
Heat exchange system for ultrahigh pressure refrigeration equipment and ultrahigh pressure refrigeration equipment Download PDFInfo
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- CN211936819U CN211936819U CN202020131363.XU CN202020131363U CN211936819U CN 211936819 U CN211936819 U CN 211936819U CN 202020131363 U CN202020131363 U CN 202020131363U CN 211936819 U CN211936819 U CN 211936819U
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Abstract
The utility model discloses a heat transfer system for superhigh pressure refrigeration plant, including setting up the external heat transfer subassembly outside the high-pressure freezing chamber of superhigh pressure refrigeration plant and setting up the built-in heat transfer subassembly in the high-pressure freezing intracavity, built-in heat transfer subassembly spirals to set up on the inner wall in high-pressure freezing chamber, built-in heat transfer subassembly's refrigerant import and refrigerant export all set up be connected with outside water pump on the end of high-pressure freezing chamber bottom is stifled, establish the thermal power that makes the medium flow in the high-pressure freezing intracavity. The built-in heat exchange assembly is arranged in a high-pressure freezing cavity of the ultrahigh-pressure freezing equipment, a heat exchange pipe of the built-in heat exchange assembly is spirally arranged along the axis of the inner wall of the high-pressure freezing cavity, a medium placed in the high-pressure freezing cavity can be directly cooled, the medium on the upper portion in the high-pressure freezing cavity and the medium on the lower portion in the high-pressure freezing cavity form a thermal power field in circulating flow, on one hand, heat exchange is enhanced through convection, on the other hand, the temperature of the thermal power field is.
Description
Technical Field
The utility model belongs to the technical field of the super high pressure equipment, especially, relate to a heat transfer system, super high pressure refrigeration plant for super high pressure refrigeration plant.
Background
The ultrahigh pressure freezing technology is a new freezing technology, the material is put into an ultrahigh pressure container filled with liquid medium, the container is pressurized to about 200MPa after being sealed, the container is cooled to the set temperature (-20 ℃) through refrigeration, when the material is fully cooled to the set temperature (-20 ℃), the pressure is suddenly released to one atmosphere, and the material is frozen and frozen instantly. In the process of freezing the material, the higher the freezing speed is, the smaller and more uniform the ice crystals formed in the material are, and the smaller the influence on the quality of the material is.
In order to realize the use of an ultrahigh pressure device and a refrigerating device in ultrahigh pressure freezing processing, as shown in figure 1, an interlayer sleeve is arranged on the outer layer of a traditional ultrahigh pressure cylinder, a refrigerant circulates in the interlayer sleeve, the heat of liquid and materials in the ultrahigh pressure cylinder is gradually cooled through heat transfer absorption of an inner cylinder and an outer cylinder, the pressure is suddenly released after the temperature reaches the freezing temperature, the materials are instantly frozen, the ice crystals are fine, and the process of growing up the crystal grains is avoided, so that the damage to cells is small, and the freezing quality of the materials is ensured.
What influence super high pressure refrigeration production efficiency is refrigeration plant's heat exchange efficiency, but, super high pressure equipment adopts external heat transfer at present, and its heat exchange efficiency is not high, freezing time is long, manufacturing cost is high, the extravagant energy.
Therefore, it is desirable to design a heat exchange system for an ultra-high pressure refrigeration equipment, which can solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, heat exchange efficiency are high. The heat exchange system for the ultrahigh pressure refrigeration equipment has the advantages of energy conservation and high production efficiency.
The technical scheme of the utility model as follows:
the utility model provides a heat transfer system for superhigh pressure refrigeration equipment, is including setting up the external heat exchange assembly outside the high-pressure freezing chamber of superhigh pressure refrigeration equipment and setting up the built-in heat exchange assembly in the high-pressure freezing intracavity, built-in heat exchange assembly spirals and sets up on the inner wall in high-pressure freezing chamber, built-in heat exchange assembly's refrigerant import and refrigerant export all set up on the stifled end of high-pressure freezing chamber bottom, and this built-in heat exchange assembly's refrigerant import and refrigerant export pass this end stifled and be connected with outside water pump and directly cool off the medium in the high-pressure freezing intracavity in order to carry out forced circulation, establish the thermal power field that makes the medium flow in the high-pressure freezing intracavity, on the one hand accelerate the cooling of the intracavity medium of high-pressure freezing.
In the technical scheme, the heat exchange tube of the built-in heat exchange assembly is coiled around the axis of the inner wall of the high-pressure freezing cavity and extends along the axial direction of the high-pressure freezing cavity, when a refrigerant in the heat exchange tube of the built-in heat exchange assembly flows along the inside of the built-in heat exchange assembly under the action of external pressure, the heat of fluid in the high-pressure freezing cavity is taken away, due to the specific gravity, a medium at the upper part can flow downwards along the high-pressure freezing cavity after being cooled, and the temperature of the medium at the lower part and the medium in the middle of the high-pressure freezing cavity is higher and the specific gravity is lighter, so that an upward flowing trend is formed, and a circularly.
In the above technical scheme, one end of the heat exchange tube with the built-in heat exchange assembly is communicated with the refrigerant inlet, and the other end of the heat exchange tube is communicated with the refrigerant outlet.
In the technical scheme, the external heat exchange assembly is an interlayer sleeve, and the external heat exchange assembly is sleeved on the outer side of the high-pressure freezing cavity.
In the above technical scheme, the refrigerant inlet and the refrigerant outlet of the external heat exchanger are respectively arranged at the upper end and the lower end of the interlayer sleeve.
In the technical scheme, the medium in the external heat exchange assembly is an anti-freezing aqueous solution or an anti-freezing medium.
The utility model also aims to provide the ultrahigh pressure refrigeration equipment based on the heat exchange system, which comprises the heat exchange system, an ultrahigh pressure reaction kettle and a supercharger for pressurizing the ultrahigh pressure reaction kettle;
be equipped with the superhigh pressure container in the superhigh pressure reation kettle, be formed with the freezing chamber of high pressure in the superhigh pressure container in order to be used for holding the material, external heat exchange assemblies cover and establish in the outside of superhigh pressure container, built-in heat exchange assemblies set up the freezing intracavity of high pressure at the superhigh pressure container, the bottom of superhigh pressure container is equipped with the mounting bracket in order to be used for fixing in superhigh pressure reation kettle.
In the technical scheme, the bottom of the ultrahigh pressure reaction kettle is provided with a support plate for fixing.
In the technical scheme, the charging basket is detachably mounted in the high-pressure freezing cavity, and the middle of the charging basket is provided with the guide pipe for circulating the thermal power field in the high-pressure freezing cavity.
In the technical scheme, the charging basket is cylindrical, and a hook is formed at the top of the charging basket and is used for being connected with the high-pressure freezing cavity.
The utility model has the advantages and positive effects that:
1. the built-in heat exchange assembly is arranged in a high-pressure freezing cavity of the ultrahigh-pressure freezing equipment, a heat exchange pipe of the built-in heat exchange assembly is spirally arranged along the axis of the inner wall of the high-pressure freezing cavity, a medium placed in the high-pressure freezing cavity can be directly cooled, and due to the specific gravity relation, the medium on the upper portion in the high-pressure freezing cavity and the medium on the lower portion form a thermal power field in circulating flow, so that heat exchange is enhanced through convection on one hand, the temperature of the thermal power field is uniform on the other hand, and thermal.
2. Because the relation of proportion, the refrigerant flows along built-in heat exchange assembly's heat exchange tube under the effect of external pressure, can take away the heat of high pressure refrigeration intracavity fast, effectively improves superhigh pressure refrigeration equipment's heat exchange efficiency, the energy can be saved.
Drawings
FIG. 1 is a schematic diagram of a prior art ultra-high pressure refrigeration apparatus;
fig. 2 is a schematic structural diagram of a heat exchange system for an ultra-high pressure refrigeration apparatus according to the present invention;
fig. 3 is a schematic diagram of the convection principle of the heat exchange system for the ultra-high pressure refrigeration equipment of the present invention;
fig. 4 is a schematic structural view of the ultra-high pressure refrigeration apparatus of the present invention.
Fig. 5 is a structural view of a basket in example 3.
In the figure:
1. ultrahigh pressure container 2, built-in heat exchange assembly 3 and external heat exchange assembly
4. Bottom plug 5, supercharger 6 and ultrahigh pressure reaction kettle
7. Mounting rack 8, supporting plate 9 and high-pressure freezing cavity
10. Charging basket 11 and flow guide pipe
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the present disclosure, as defined by the following claims.
Example 1
As shown in fig. 2-3, the utility model discloses a heat transfer system for superhigh pressure refrigeration equipment, including setting up external heat exchange assembly 3 outside the high pressure refrigeration chamber 9 of superhigh pressure refrigeration equipment and setting up the built-in heat exchange assembly 2 in high pressure refrigeration chamber 9, built-in heat exchange assembly 2 spirals and sets up on the inner wall of high pressure refrigeration chamber 9, built-in heat exchange assembly 2's refrigerant import and refrigerant export all set up on the stifled 4 at the end of high pressure refrigeration chamber 9 bottom, and this built-in heat exchange assembly 2's refrigerant import and refrigerant export pass this end stifled 4 and be connected with outside water pump and carry out forced circulation, can direct cooling medium in the high pressure refrigeration chamber 9 sets up the thermal power field that makes the medium flow in high pressure refrigeration chamber 9, on the one hand with higher speed the cooling of the medium in high pressure refrigeration chamber 9, on the other hand makes the thermal field even.
Furthermore, the heat exchange tube of the built-in heat exchange assembly 2 is made of a high-temperature resistant stainless steel tube, the heat exchange tube of the built-in heat exchange assembly 2 is coiled around the axis of the inner wall of the high-pressure freezing cavity 9 and extends along the axial direction of the high-pressure freezing cavity 9, when a refrigerant in the heat exchange tube of the built-in heat exchange assembly 2 flows along the inside of the built-in heat exchange assembly 2 under the action of external pressure, heat of fluid in the high-pressure freezing cavity 9 is taken away, due to the specific gravity, a medium at the upper part can flow downwards along the high-pressure freezing cavity 9 after being cooled, and media at the lower part and the middle part of the high-pressure freezing cavity 9 have higher temperature and lighter specific gravity, so that an upward flowing trend is formed, and a circularly.
Furthermore, one end of the heat exchange tube of the built-in heat exchange assembly 2 is communicated with a refrigerant inlet, the other end of the heat exchange tube is communicated with a refrigerant outlet, the refrigerant inlet and the refrigerant outlet of the built-in heat exchange assembly 2 are arranged at the bottom plug 4 at the bottom of the high-pressure freezing cavity 9, and the refrigerant inlet and the refrigerant outlet are connected with an external water pump through the bottom plug 4 to perform forced circulation, so that the built-in heat exchange assembly 2 can bear the ultrahigh pressure of ultrahigh-pressure freezing equipment and can directly cool a medium in the high-pressure freezing cavity 9.
Further, the external heat exchange assembly 3 is a sandwich sleeve, the external heat exchange assembly 3 is sleeved outside the high-pressure freezing cavity 9, and a refrigerant inlet and a refrigerant outlet of the external heat exchanger are respectively arranged at the upper end and the lower end of the sandwich sleeve.
The utility model discloses a during the heat transfer system operation, the refrigerant in the heat exchange tube of built-in heat exchange assembly 2 gets into the high pressure of superhigh pressure refrigeration plant under the promotion of external water receiving pump and freezes the medium of the chamber 9 in to the high pressure and cool off, and the refrigerant in the external water pump forced circulation heat exchange tube takes away the heat of the high pressure freezing chamber 9 inner medium effectively to cool off through the refrigerator.
Example 2
As shown in fig. 4, the ultra-high pressure refrigeration apparatus of the present invention includes the heat exchange system described in embodiment 1, an ultra-high pressure reaction vessel 6, and a supercharger 5 for pressurizing the ultra-high pressure reaction vessel 6;
be equipped with superhigh pressure vessel 1 in the superhigh pressure reation kettle 6, be formed with high-pressure freezing chamber 9 in the superhigh pressure vessel 1 in order to be used for holding the material, 3 covers of external heat exchange assembly establish in the outside of superhigh pressure vessel 1, built-in heat exchange assembly 2 set up in the high-pressure freezing chamber 9 of superhigh pressure vessel 1, the bottom of superhigh pressure vessel 1 is equipped with mounting bracket 7 in order to be used for fixing in superhigh pressure reation kettle 6.
Further, the bottom of the ultrahigh pressure reaction kettle 6 is provided with a support plate 8 for fixing.
Example 3
On the basis of embodiment 2, as shown in fig. 5, a detachable cylindrical charging basket 10 is installed in a high-pressure freezing chamber 9 of the ultrahigh-pressure freezing equipment, a flow guide pipe 11 is arranged in the middle of the charging basket 10 to enable a medium with a lower temperature at the upper part of the charging basket 10 to flow downwards along the basket wall of the charging basket 10, and a medium with a higher temperature at the lower part of the charging basket 10 can flow upwards from the flow guide pipe 11 at the middle part of the charging basket 10 to form a circulation flow, so that the heat conduction effect in the high-pressure freezing chamber 9 is effectively improved.
Further, the top of the basket 10 is formed with a hook extending outward, so that the basket 10 is clamped with the high-pressure freezing chamber 9, and the frozen product can be conveniently taken out from the basket 10 after the ultrahigh-pressure freezing process is completed.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The invention has been described above by way of example, and it should be noted that any simple variants, modifications or other equivalent substitutions by a person skilled in the art without spending creative effort may fall within the scope of protection of the present invention without departing from the core of the present invention.
Claims (10)
1. The utility model provides a heat transfer system for superhigh pressure refrigeration equipment which characterized in that: the medium cooling device comprises an external heat exchange assembly arranged outside a high-pressure freezing cavity of ultrahigh-pressure freezing equipment and an internal heat exchange assembly arranged in the high-pressure freezing cavity, wherein the internal heat exchange assembly is spirally arranged on the inner wall of the high-pressure freezing cavity, a refrigerant inlet and a refrigerant outlet of the internal heat exchange assembly are arranged on a bottom plug at the bottom of the high-pressure freezing cavity, and the refrigerant inlet and the refrigerant outlet of the internal heat exchange assembly penetrate through the bottom plug and are connected with an external water pump to perform forced circulation so as to directly cool a medium in the high-pressure freezing cavity.
2. The heat exchange system of claim 1, wherein: the heat exchange tube of the built-in heat exchange assembly is coiled around the axis of the inner wall of the high-pressure freezing cavity and extends along the axial direction of the high-pressure freezing cavity.
3. The heat exchange system of claim 2, wherein: one end of the heat exchange tube with the built-in heat exchange assembly is communicated with the refrigerant inlet, and the other end of the heat exchange tube is communicated with the refrigerant outlet.
4. The heat exchange system of claim 3, wherein: the external heat exchange assembly is an interlayer sleeve, and the external heat exchange assembly is sleeved on the outer side of the high-pressure freezing cavity.
5. The heat exchange system of claim 4, wherein: and a refrigerant inlet and a refrigerant outlet of the external heat exchanger are respectively arranged at the upper end and the lower end of the interlayer sleeve.
6. The heat exchange system of claim 5, wherein: the medium in the external heat exchange assembly is an anti-freezing aqueous solution or an anti-freezing medium.
7. An ultra-high pressure refrigeration apparatus based on the heat exchange system according to any one of claims 1 to 6, characterized in that: the system comprises the heat exchange system of claim 6, an ultrahigh pressure reaction kettle and a supercharger for pressurizing the ultrahigh pressure reaction kettle;
be equipped with the superhigh pressure container in the superhigh pressure reation kettle, be formed with the freezing chamber of high pressure in the superhigh pressure container in order to be used for holding the material, external heat exchange assemblies cover and establish in the outside of superhigh pressure container, built-in heat exchange assemblies set up the freezing intracavity of high pressure at the superhigh pressure container, the bottom of superhigh pressure container is equipped with the mounting bracket in order to be used for fixing in superhigh pressure reation kettle.
8. An ultra-high pressure refrigeration apparatus according to claim 7, wherein: the bottom of the ultrahigh pressure reaction kettle is provided with a support plate for fixing.
9. An ultra-high pressure refrigeration apparatus according to claim 8, wherein: the high-pressure freezing cavity is detachably provided with a charging basket, and the middle of the charging basket is provided with a flow guide pipe for circulating a thermal power field in the high-pressure freezing cavity.
10. An ultra-high pressure refrigeration apparatus according to claim 9, wherein: the charging basket is barrel-shaped, and a hook is formed at the top of the charging basket and is used for being connected with the high-pressure freezing cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020131363.XU CN211936819U (en) | 2020-01-20 | 2020-01-20 | Heat exchange system for ultrahigh pressure refrigeration equipment and ultrahigh pressure refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020131363.XU CN211936819U (en) | 2020-01-20 | 2020-01-20 | Heat exchange system for ultrahigh pressure refrigeration equipment and ultrahigh pressure refrigeration equipment |
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| Publication Number | Publication Date |
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| CN211936819U true CN211936819U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020131363.XU Active CN211936819U (en) | 2020-01-20 | 2020-01-20 | Heat exchange system for ultrahigh pressure refrigeration equipment and ultrahigh pressure refrigeration equipment |
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| CN (1) | CN211936819U (en) |
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