CN210718225U - Tubular evaporator for ice cream machine - Google Patents
Tubular evaporator for ice cream machine Download PDFInfo
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- CN210718225U CN210718225U CN201921686999.4U CN201921686999U CN210718225U CN 210718225 U CN210718225 U CN 210718225U CN 201921686999 U CN201921686999 U CN 201921686999U CN 210718225 U CN210718225 U CN 210718225U
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- ice cream
- spiral fluid
- pipe body
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Abstract
The utility model discloses a tubular evaporator for an ice cream machine, which comprises an outer sealing pipe body and an inner pipe body, wherein the outer sealing pipe body is sleeved and sealed on the outer wall of the inner pipe body, and the outer sealing pipe body comprises an air inlet pipe, an evaporation cavity and an air outlet pipe which are sequentially communicated; the evaporation cavity is a hollow cylindrical cavity and comprises an annular agent storage part and a spiral fluid channel part which are communicated with each other; one end of the air inlet pipe is communicated with the annular agent storage part, one end of the air outlet pipe is communicated with the spiral fluid channel part, the annular agent storage cavity is formed by the outer wall of the annular agent storage part and the outer wall of the part corresponding to the inner pipe body, and the spiral fluid channel is formed by the outer wall of the spiral fluid channel part and the outer wall of the part corresponding to the inner pipe body. The utility model discloses obviously promote refrigeration speed and efficiency, shortened the fashioned time of ice cream.
Description
Technical Field
The utility model relates to an ice-cream machine and refrigeration technology field, concretely relates to tubulose evaporimeter for ice-cream machine.
Background
For a long time, ice cream machines on the market adopt a general wound evaporator for heat exchange, and the general wound evaporator is wound on the wall of a cylinder body provided with ice cream through a spiral pipe. The refrigerant of the existing ice cream machine directly enters a spiral pipe of a general wound evaporator through an expansion valve or an expansion port to form a gaseous or gas-liquid mixed refrigerant, and the refrigerant exchanges heat and cold in a circulating flow mode. The refrigerating effect of the front end portion of the evaporator is limited by the slope portion of the front end of the spiral tube communicating with the air inlet of the evaporator, and there is an ineffective refrigerating area, thereby reducing the refrigerating efficiency and the refrigerating effect of the evaporator. In addition, the existing tubular evaporator only performs primary throttling on the refrigerant in the primary heat and cold exchange cycle process, and the refrigeration efficiency and the refrigeration effect are not high. The existing tubular evaporator influences the production efficiency of the ice cream machine, so that the ice cream machine can produce ice cream with low condensation degree and low refrigeration energy efficiency.
SUMMERY OF THE UTILITY MODEL
In view of this, in order to solve the problems in the prior art, the utility model provides a tubulose evaporimeter for ice-cream machine to improved ice-cream machine's refrigeration efficiency and refrigeration effect, made the production efficiency and the quality of ice-cream obtain promoting.
The utility model discloses an above-mentioned problem is solved to following technical means:
a tubular evaporator for an ice cream machine comprises an outer sealing pipe body and an inner pipe body, wherein the outer sealing pipe body is sleeved and sealed on the outer wall of the inner pipe body, and comprises an air inlet pipe, an evaporation cavity and an air outlet pipe which are communicated in sequence; the evaporation cavity is a hollow cylinder-shaped cavity and comprises at least one annular agent storage part and at least one spiral fluid channel part which are communicated with each other, the annular agent storage part and the outer wall of the corresponding part of the inner pipe body form an annular agent storage cavity, and the spiral fluid channel part and the outer wall of the corresponding part of the inner pipe body form a spiral fluid channel;
the air inlet pipe is used for introducing a refrigerant;
the evaporation cavity is used for providing a heat absorption space for the refrigerant;
the air outlet pipe is used for leading out the refrigerant after absorbing heat;
the annular refrigerant storage part is used for providing a relatively larger heat absorption space for temporarily stored refrigerant;
the spiral fluid channel part is used for leading in refrigerant from the annular refrigerant storage part and enabling the refrigerant to absorb heat in a relatively longer spiral fluid channel;
the inner tube is used for storing or flowing ice cream.
Furthermore, a restrictor is arranged between the annular agent storage part and the spiral fluid channel part of the evaporation cavity; the throttling device is used for carrying out secondary throttling on the liquid refrigerant flowing through.
Further, the flow restrictor is a narrowed pipeline or a narrowed opening or a narrowed hole formed by the communication between the annular agent storage part and the spiral fluid channel part.
Further, the throttler comprises an evaporation draft tube part and a pressure draft tube part; and the evaporation guide pipe part and the pressure guide pipe part are communicated to form a narrow hole.
Furthermore, the end part of the evaporation guide pipe part connected with the pressure guide pipe part is in a round cap shape or an arc cover shape; the end part of the pressure guide pipe part connected with the evaporation guide pipe part is in a circular cap shape, an arc cover shape, a tower shape, a cone shape or a triangular prism shape.
Further, the outer wall of one end part of the inner pipe body is annularly provided with a flange for radial limiting.
Furthermore, the peripheral edge of the end face of the other end part of the inner pipe body is provided with a chamfer; the chamfer is beneficial to preventing the inner pipe body from being damaged when the inner pipe body is extruded into the hollow position of the outer sealing pipe body.
Further, when the number of the annular agent storage parts is more than one, the annular agent storage parts are arranged at intervals through the spiral fluid channel parts; a restrictor which is communicated with the annular agent storage part and the spiral fluid channel part respectively is arranged between the annular agent storage part and the spiral fluid channel part.
Further, the cross-sectional structure of the spiral fluid channel part is arch-shaped; the arched cross-sectional structure is beneficial to improving the effective heat absorption area in the limited flow passage space.
Further, the pitch between adjacent spiral fluid channels of the spiral fluid channel portion is 5-100 mm; the height of the spiral fluid channel relative to the outer wall of the inner pipe body is 2-20 mm.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses shortened the invalid refrigeration area of tubulose evaporimeter front end (the invalid refrigeration area of current spiral evaporimeter is located spiral inclined plane part), realized that the annular of tubulose evaporimeter front end stores up the agent portion (the straight face part) and has had more refrigeration heat transfer areas, improved refrigeration speed greatly under the unchangeable condition of other conditions to the liquid refrigerant evaporation volume of tubulose evaporimeter front end (being located the nearest position of ice cream discharge gate) has been increased, made the tubulose evaporimeter front end participate in the liquid refrigerant of more heat exchanges, increased the effective heat transfer volume of tubulose evaporimeter; after the refrigerant introduced from the air inlet pipe is evaporated in the inner cavity of the annular refrigerant storage part, the redundant liquid or gas-liquid mixed refrigerant flows to the spiral fluid channel part through the throttle, so that the refrigerant exchanges heat with the ice cream in the inner pipe body while flowing in the spiral fluid channel part; the utility model ensures the high efficiency of the evaporation of the refrigerant in the spiral fluid channel and ensures that more refrigerant passes through the front end of the tubular evaporator; the utility model adds a restrictor between the annular agent storage part and the spiral fluid channel part (the aperture/pipe diameter of the restrictor is smaller than the inner diameter of the spiral fluid channel part), thus realizing secondary restriction; the utility model discloses compare with current interior spiral evaporator, its refrigeration speed obviously obtains promoting, and its refrigeration efficiency has promoted 20%, in addition because the annular of tubulose evaporator front end stores up agent portion and has stored more refrigerants, makes ice cream post forming time shorten about 30%.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a front view of a tubular evaporator for an ice cream machine according to the present invention;
fig. 2 is a right side view of a tubular evaporator for an ice cream machine according to the present invention;
FIG. 3 is a cross-sectional view of FIG. 2 taken along line A-A;
fig. 4 is a perspective view of the outer sealing tube according to the present invention in embodiment 2;
fig. 5 is a perspective view of the outer sealing tube according to the present invention in embodiment 3;
fig. 6 is a plan view of an outer sealing tube according to the present invention in embodiment 3;
FIG. 7 is a cross-sectional view of FIG. 6 taken in the direction of B-B;
fig. 8 is a perspective view of the inner tube of the present invention;
fig. 9 is a front view of an outer sealing tube body of the present invention in embodiment 4;
description of reference numerals:
an outer sealing tube body-1; inner tube-2; an intake pipe-11; an annular reservoir-12; a restrictor-13; helical fluid passage portion-14; an outlet pipe-15; an evaporation draft tube part-131; a pressure manifold portion-132; a flange-21; chamfer-22.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments accompanying the drawings are described in detail below. It should be noted that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
It is to be understood that the terms "top," "bottom," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features.
Example 1
As shown in fig. 1-3, a tubular evaporator for an ice cream machine comprises an outer sealing tube body 1 and an inner tube body 2, wherein the outer sealing tube body 1 is sleeved and sealed on the outer wall of the inner tube body 2, and the outer sealing tube body 1 comprises an air inlet tube 11, an evaporation cavity and an air outlet tube 15 which are sequentially communicated; the evaporation cavity is a hollow cylinder-shaped cavity and comprises an annular agent storage part 12 and a spiral fluid channel part 14 which are communicated with each other, the annular agent storage part 12 and the outer wall of the part corresponding to the inner pipe body 2 form an annular agent storage cavity, and the spiral fluid channel part 14 and the outer wall of the part corresponding to the inner pipe body 2 form a spiral fluid channel; one end of the air inlet pipe 11 is communicated with the annular agent storage part 12, and one end of the air outlet pipe 15 is communicated with the spiral fluid channel part 14;
specifically, the evaporation cavity is directly and integrally formed in an expansion joint mode; one end of the spiral fluid channel is communicated with one end of the air outlet pipe 15; the outer sealing pipe body 1 and the inner pipe body 2 are welded together, and two ports of the outer sealing pipe body 1 and the outer wall of the inner pipe body 2 are concentric and are installed in a sleeved mode or in an interference fit mode;
the refrigerant of the ice cream machine passes through the air inlet pipe 11, reaches the annular agent storage part 12 to absorb heat, then reaches the spiral fluid channel part 14 to absorb heat again, and finally is discharged through the air outlet pipe 15.
Further, the outer wall of one end of the inner pipe body 2 is annularly provided with a flange 21 (shown in fig. 8) for radial limiting; the flange 21 can also be fitted with a plastic sealing head.
Further, the peripheral edge of the end surface of the other end of the inner tube 2 is provided with a chamfer 22 (as shown in fig. 8); in particular, the other end of the inner tube 2 may be a tight fitting with a flange.
Further, the tubular evaporator also comprises a heat insulation material layer; the heat insulation material layer is wrapped on the periphery of the outer sealing pipe body 1.
Further, the spiral fluid channel of the spiral fluid channel portion 14 has an arch-shaped cross-sectional structure.
Further, a pitch between adjacent spiral fluid passages of the spiral fluid passage portion 14 is 5-100mm (a path for refrigerant to run is longer as the pitch is smaller); the height of the spiral fluid channel relative to the outer wall of the inner pipe body is 2-20 mm.
Example 2
As shown in fig. 1-4, a tubular evaporator for an ice cream machine comprises an outer sealing tube body 1 and an inner tube body 2, wherein the outer sealing tube body 1 is sleeved and sealed on the outer wall of the inner tube body 2, and the outer sealing tube body 1 comprises an air inlet tube 11, an evaporation cavity and an air outlet tube 15 which are sequentially communicated; the evaporation cavity is a hollow cylinder-shaped cavity and comprises an annular agent storage part 12 and a spiral fluid channel part 14 which are communicated with each other, the annular agent storage part 12 and the outer wall of the part corresponding to the inner pipe body 2 form an annular agent storage cavity, and the spiral fluid channel part 14 and the outer wall of the part corresponding to the inner pipe body 2 form a spiral fluid channel; one end of the air inlet pipe 11 is communicated with the annular agent storage part 12, and one end of the air outlet pipe 15 is communicated with the spiral fluid channel part 14;
the refrigerant of the ice cream maker reaches the annular agent storage portion 12 through the air inlet pipe 11 to absorb heat, then reaches the spiral fluid passage portion 14 through the throttle 13 to absorb heat again, and finally is discharged through the air outlet pipe 15.
Further, the evaporation chamber is provided with a restrictor 13 between the annular agent storage portion 12 and the spiral fluid passage portion 14.
Further, the flow restrictor 13 is a narrowed pipeline or a narrowed opening or a narrowed hole formed by the communication between the annular agent storage part 12 and the spiral fluid channel part 14; specifically, the annular reservoir portion 12 is arcuately connected to the helical fluid passage portion.
Further, the outer wall of one end of the inner tube 2 is provided with a flange 21 for radial position limitation (as shown in fig. 8).
Further, the peripheral edge of the end surface of the other end of the inner tube 2 is provided with a chamfer 22 (as shown in fig. 8).
Further, the tubular evaporator also comprises a heat insulation material layer; the heat insulation material layer is wrapped on the periphery of the outer sealing pipe body 1.
Further, the spiral fluid channel of the spiral fluid channel portion 14 has an arch-shaped cross-sectional structure.
Further, the pitch between the adjacent spiral fluid channels of the spiral fluid channel portion 14 is 5 to 100 mm; the height of the spiral fluid channel relative to the outer wall of the inner pipe body is 2-20 mm.
Example 3
As shown in fig. 1-3 and 5-6, a tubular evaporator for an ice cream machine comprises an outer sealing tube body 1 and an inner tube body 2, wherein the outer sealing tube body 1 is sleeved and sealed on the outer wall of the inner tube body 2, and the outer sealing tube body 1 comprises an air inlet tube 11, an evaporation cavity and an air outlet tube 15 which are sequentially communicated; the evaporation cavity is a hollow cylinder-shaped cavity and comprises an annular agent storage part 12 and a spiral fluid channel part 14 which are communicated with each other, the annular agent storage part 12 and the outer wall of the part corresponding to the inner pipe body 2 form an annular agent storage cavity, and the spiral fluid channel part 14 and the outer wall of the part corresponding to the inner pipe body 2 form a spiral fluid channel; one end of the air inlet pipe 11 is communicated with the annular agent storage part 12, and one end of the air outlet pipe 15 is communicated with the spiral fluid channel part 14;
the refrigerant of the ice cream maker reaches the annular agent storage portion 12 through the air inlet pipe 11 to absorb heat, then reaches the spiral fluid passage portion 14 through the throttle 13 to absorb heat again, and finally is discharged through the air outlet pipe 15.
Further, the evaporation chamber is provided with a restrictor 13 between the annular agent storage portion 12 and the spiral fluid passage portion 14.
Further, the restrictor 13 includes an evaporation manifold portion 131 and a pressure manifold portion 132; the evaporation guide pipe part 131 and the pressure guide pipe part 132 are communicated to form a narrow hole.
Further, the end of the evaporation draft tube part 131 connected with the pressure draft tube part is in a round cap shape or an arc cover shape; the end of the pressure guiding pipe part 132 connected with the evaporation guiding pipe part is in a shape of a circular cap, an arc cover, a tower, a cone or a triangular prism (as shown in fig. 7).
Further, the outer wall of one end of the inner tube 2 is provided with a flange 21 for radial position limitation (as shown in fig. 8).
Further, the peripheral edge of the end surface of the other end of the inner tube 2 is provided with a chamfer 22 (as shown in fig. 8).
Further, the tubular evaporator also comprises a heat insulation material layer; the heat insulation material layer is wrapped on the periphery of the outer sealing pipe body 1.
Further, the spiral fluid channel of the spiral fluid channel portion 14 has an arch-shaped cross-sectional structure.
Further, the pitch between the adjacent spiral fluid channels of the spiral fluid channel portion 14 is 5 to 100 mm; the height of the spiral fluid channel relative to the outer wall of the inner pipe body is 2-20 mm.
Example 4
As shown in fig. 8-9, a tubular evaporator for an ice cream machine includes an outer sealing tube 1 and an inner tube 2, the outer sealing tube 1 is sleeved and sealed on the outer wall of the inner tube 2, the outer sealing tube 1 includes an air inlet tube 11, an evaporation cavity and an air outlet tube 15 which are sequentially communicated; the evaporation cavity is a hollow cylinder type cavity, the evaporation cavity comprises at least one annular agent storage part 12 and at least one spiral fluid channel part 14 which are mutually communicated, the annular agent storage part 12 and the outer wall of the part corresponding to the inner pipe body 2 form an annular agent storage cavity, and the spiral fluid channel part 14 and the outer wall of the part corresponding to the inner pipe body 2 form a spiral fluid channel.
Further, when the number of the annular agent storage parts 12 is more than one, the annular agent storage parts 12 are arranged at intervals by the spiral fluid channel part 14; a restrictor 13 which is respectively communicated with the annular agent storage part 12 and the spiral fluid channel part 14 is arranged between the annular agent storage part 12 and the spiral fluid channel part 14; the throttle 13 is used for carrying out secondary throttling on the liquid refrigerant flowing through; specifically, the annular agent storage portion 12 and the restrictor 13 may be disposed at the front end or the rear end or the middle portion or other portions of the tubular evaporator; the tubular evaporator may also be provided with a plurality of annular reservoirs 12 and/or restrictions 13.
Further, the inner pipe orifice of the inner pipe body 2 is provided with a circular arc chamfer so as to be sanitary and clean.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A tubular evaporator for an ice cream machine is characterized by comprising an outer sealing pipe body and an inner pipe body, wherein the outer sealing pipe body is sleeved and sealed on the outer wall of the inner pipe body, and comprises an air inlet pipe, an evaporation cavity and an air outlet pipe which are communicated in sequence; the evaporation cavity is a hollow cylinder-shaped cavity and comprises at least one annular agent storage part and at least one spiral fluid channel part which are communicated with each other, the annular agent storage part and the outer wall of the corresponding part of the inner pipe body form an annular agent storage cavity, and the spiral fluid channel part and the outer wall of the corresponding part of the inner pipe body form a spiral fluid channel.
2. The tubular evaporator for an ice cream machine according to claim 1, wherein said evaporation chamber is provided with a restriction between the annular reservoir and the helical fluid passage portion.
3. The tubular evaporator for an ice cream machine according to claim 2, wherein said restriction is a narrowing conduit or a narrowing opening or a narrowing hole formed by said annular reservoir communicating with said helical fluid passage portion.
4. The tubular evaporator for an ice cream machine according to claim 2, wherein said restrictor comprises an evaporation duct portion and a pressure duct portion; and the evaporation guide pipe part and the pressure guide pipe part are communicated to form a narrow hole.
5. The tubular evaporator for an ice cream machine according to claim 4, wherein an end of said evaporation duct portion connected to said pressure duct portion is of a round cap type or an arc cap type; the end part of the pressure guide pipe part connected with the evaporation guide pipe part is in a circular cap shape, an arc cover shape, a tower shape, a cone shape or a triangular prism shape.
6. Tubular evaporator for ice cream machines according to claim 1, characterized in that the outer wall of one end of the inner tube is provided circumferentially with a flange for radial retention.
7. The tubular evaporator for an ice cream machine according to claim 1, wherein a peripheral edge of an end surface of the other end portion of said inner tube body is chamfered.
8. The tubular evaporator for an ice cream machine according to any one of claims 1 to 7, wherein when the number of said annular agent storage portions is greater than one, the respective annular agent storage portions are arranged at intervals from each other by a spiral fluid passage portion; a restrictor which is communicated with the annular agent storage part and the spiral fluid channel part respectively is arranged between the annular agent storage part and the spiral fluid channel part.
9. Tubular evaporator for an ice cream machine according to claim 1, characterized in that the cross-sectional structure of the helical fluid channel of said helical fluid channel portion is arch-shaped.
10. Tubular evaporator for an ice cream machine according to claim 9, characterized in that the pitch between adjacent spiral fluid channels of said spiral fluid channel portion is 5-100 mm; the height of the spiral fluid channel relative to the outer wall of the inner pipe body is 2-20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921686999.4U CN210718225U (en) | 2019-10-10 | 2019-10-10 | Tubular evaporator for ice cream machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921686999.4U CN210718225U (en) | 2019-10-10 | 2019-10-10 | Tubular evaporator for ice cream machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210718225U true CN210718225U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921686999.4U Active CN210718225U (en) | 2019-10-10 | 2019-10-10 | Tubular evaporator for ice cream machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210718225U (en) |
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2019
- 2019-10-10 CN CN201921686999.4U patent/CN210718225U/en active Active
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