CN215864155U - Evaporator of ice cream machine - Google Patents
Evaporator of ice cream machine Download PDFInfo
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- CN215864155U CN215864155U CN202122421492.XU CN202122421492U CN215864155U CN 215864155 U CN215864155 U CN 215864155U CN 202122421492 U CN202122421492 U CN 202122421492U CN 215864155 U CN215864155 U CN 215864155U
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Abstract
The utility model provides an evaporator of an ice cream machine, which comprises an inner cylinder and an outer cylinder sleeved outside the inner cylinder, wherein two end parts of the outer cylinder are respectively connected with two end parts of the inner cylinder in a sealing manner, a space between the inner cylinder and the outer cylinder forms a heat exchange cavity for a refrigerant to pass through, two ends of the outer cylinder are provided with a refrigerant inlet and a refrigerant outlet, the refrigerant inlet and the refrigerant outlet are both communicated with the heat exchange cavity, a flow guide channel for guiding the refrigerant to flow on the outer wall of the inner cylinder is arranged in the heat exchange cavity, and the flow guide channel is spirally arranged on the outer wall of the inner cylinder; the outer wall of the inner cylinder is provided with the flow guide channel for guiding the refrigerant to flow on the outer wall of the inner cylinder, so that the refrigerant can advance in a spiral form and flow through the whole outer wall surface of the inner cylinder in the heat exchange process, and the aim of improving the heat exchange efficiency is fulfilled; the gap between the flow deflector and the inner wall of the outer cylinder is beneficial to the expansion, pressure relief and flow of high-temperature gas, and the fine series flow can play a role in effectively reducing the pressure in the flow guide channel.
Description
Technical Field
The utility model relates to the technical field of ice cream machines, in particular to an evaporator of an ice cream machine.
Background
The ice cream machine is a machine for producing ice cream, and the more core part of the ice cream machine is an evaporator, and the evaporator mainly has the function of condensing and puffing liquid ice cream raw materials to form ice cream.
Although the heat exchange structure can achieve the effect of cooling the inner cylinder, the problem that the refrigerant directly passes through the cavity without flowing through the whole surface of the inner cylinder and leaves the inner cylinder from the outlet easily occurs in the cooling process, so that the cooling efficiency of the heat exchange structure of the traditional evaporator is not high.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides an evaporator of an ice cream machine, which aims to solve the technical problem that the cooling efficiency of a heat exchange structure of the evaporator on the traditional ice cream machine is not high.
The technical scheme of the utility model is realized as follows:
an evaporator of an ice cream machine comprises an inner cylinder and an outer cylinder sleeved outside the inner cylinder, wherein two end portions of the outer cylinder are respectively connected with two end portions of the inner cylinder in a sealing mode, a heat exchange cavity for a refrigerant to pass through is formed in the space between the inner cylinder and the outer cylinder, a refrigerant inlet and a refrigerant outlet are formed in two ends of the outer cylinder, the refrigerant inlet and the refrigerant outlet are communicated with the heat exchange cavity, a flow guide channel used for guiding the refrigerant to flow on the outer wall of the inner cylinder is arranged in the heat exchange cavity, and the flow guide channel is spirally arranged on the outer wall of the inner cylinder.
Furthermore, the outer wall of the inner cylinder is provided with a flow deflector which is spirally arranged, and the space between the side walls of the flow deflector forms the flow guide channel.
Further, the outer diameter of the guide vane is smaller than the inner diameter of the outer cylinder.
Further, the difference between the inner diameter of the outer cylinder and the outer diameter of the flow deflector is 1-3 mm.
Furthermore, the coaxiality between the outer cylinder and the inner cylinder is phi 0.5-1, namely the distance between the axis of the outer cylinder and the axis of the inner cylinder is 0.25mm-0.5mm, and the coaxiality between the outer cylinder and the inner cylinder is designed to be phi 0.5mm-1mm, so that the uniformity of the gap between the flow deflector and the inner wall of the outer cylinder can be ensured, the problem that the spiral flow guiding effect cannot be well achieved due to overlarge partial gap is solved, and the spiral flow guiding effect of the flow deflector can be stabilized.
Further, be equipped with the bulge loop on the outer wall that the inner cylinder is close to the discharge end, the external diameter of bulge loop equals the internal diameter of outer jar when outer cylinder cover is on the inner cylinder, the outer wall of bulge loop and the inner wall of outer jar are laminated mutually, play the effect of bearing outer jar for when welding the inner cylinder on the inner cylinder, avoid the outer jar problem that the deflection appears, in order to ensure that the axiality between the inside and outside jar of welded evaporimeter satisfies the designing requirement.
In addition, on the structure of the diversion channel, besides the form of the diversion sheet, the form of pressing the diversion trench on the outer wall of the outer cylinder can also be adopted, namely, the inner wall of the outer cylinder is provided with the diversion trench which is spirally arranged, and the diversion trench forms the diversion channel.
In addition, the diversion channel can also adopt a winding diversion pipe structure, namely, a spiral diversion pipe is arranged on the outer wall of the inner cylinder, the diversion channel is formed in the inner cavity of the diversion pipe, and two ends of the diversion pipe are respectively communicated with the refrigerant inlet and the refrigerant outlet.
Furthermore, the cross section of the inner cavity of the flow guide pipe is semicircular.
The utility model has the beneficial effects that: the outer wall of the inner cylinder is provided with the flow guide channel for guiding the refrigerant to flow on the outer wall of the inner cylinder, so that the refrigerant can advance in a spiral form and flow through the whole outer wall surface of the inner cylinder in the heat exchange process, and the aim of improving the heat exchange efficiency is fulfilled; the gap between the flow deflector and the inner wall of the outer cylinder is beneficial to the expansion, pressure relief and flow of high-temperature gas, and the fine series flow can play a role in effectively reducing the pressure in the flow guide channel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of an evaporator of an ice cream maker according to the present invention;
FIG. 2 is an exploded view of an evaporator of an ice cream maker according to the present invention;
FIG. 3 is a schematic diagram of an internal structure of an evaporator of an ice cream maker according to the present invention;
fig. 4 is a schematic structural view of an outer cylinder having a baffle groove in embodiment 2;
FIG. 5 is a schematic structural view of an inner casing in the case where a draft tube is welded to the inner casing in embodiment 3;
fig. 6 is a sectional view of an inner cylinder in embodiment 3.
The attached drawings are as follows: 1. an inner cylinder; 2. an outer cylinder; 21. a refrigerant inlet; 22. a refrigerant outlet; 3. a flow guide channel; 4. a flow deflector; 5. a diversion trench; 6. a flow guide pipe; 7. a convex ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 3, an evaporator of an ice cream maker comprises an inner casing 1 and an outer casing 2 sleeved outside the inner casing 1, wherein two end portions of the outer casing 2 are respectively connected with two end portions of the inner casing 1 in a sealing manner, that is, a sealed space is formed in the space between the inner cylinder 1 and the outer cylinder 2, that is, a heat exchange cavity for refrigerant such as freon to pass through is formed in the space between the inner cylinder 1 and the outer cylinder 2, after the refrigerant contacts the outer surface of the inner cylinder 1, heat exchange can be carried out to cool the liquid ice cream raw material in the inner cylinder 1, so that the liquid ice cream raw material is condensed and puffed, a refrigerant inlet 21 and a refrigerant outlet 22 are arranged at two ends of the outer cylinder 2, the refrigerant inlet 21 and the refrigerant outlet 22 are both communicated with the heat exchange cavity, a flow guide channel 3 for guiding a refrigerant to flow on the outer wall of the inner cylinder 1 is arranged in the heat exchange cavity, and the flow guide channel 3 is spirally arranged on the outer wall of the inner cylinder 1; the flow guide channel 3 for guiding the refrigerant to flow on the outer wall of the inner cylinder 1 is arranged on the outer wall of the inner cylinder 1, and the flow guide channel 3 is spirally arranged on the outer wall of the inner cylinder 1, so that the refrigerant can move forwards in a spiral form in the heat exchange process and flows through the whole outer wall surface of the inner cylinder 1, and the purpose of improving the heat exchange efficiency is achieved.
Preferably, be equipped with the water conservancy diversion piece 4 that is the heliciform setting on the outer wall of inner casing 1, the space between the 4 lateral walls of water conservancy diversion forms water conservancy diversion passageway 3, because the water conservancy diversion piece in the heat transfer chamber is the heliciform, spiral helicine water conservancy diversion piece 4 can play the effect that the guide moved ahead with spiral helicine flow form to make the refrigerant can fully contact with the surface of inner casing 1, and then reach the purpose of high-efficient heat transfer.
Preferably, the outer diameter of the flow deflector 4 is smaller than the inner diameter of the outer cylinder 2, and since part of the refrigerant is heated and gasified in the heat exchange process to form gas, the volume is increased, and through designing a gap between the flow deflector 4 and the inner wall of the outer cylinder 2, the high-temperature gas can flow rapidly, and the pressure in the flow guide channel 3 is reduced.
Preferably, the difference between the inner diameter of the outer cylinder 2 and the outer diameter of the flow deflector 4 is 1-3mm, and the difference between the outer diameters is set between 1mm and 3mm, so that the flow of high-temperature gas is facilitated, and the problem that the flow deflector 4 cannot perform spiral flow guiding function due to too much refrigerant passing through the flow deflector 4 can be avoided, in addition, the gap between the outer cylinder 2 and the flow deflector 4 can also play a role in ensuring that the outer cylinder 2 can be normally sleeved and installed outside the inner cylinder 1, and the problem of structural interference is avoided.
Preferably, the coaxiality between the outer cylinder 2 and the inner cylinder 1 is phi 0.5-1, namely, the distance between the axis of the outer cylinder 2 and the axis of the inner cylinder 1 is 0.25mm-0.5mm, and the coaxiality between the outer cylinder 2 and the inner cylinder 1 is designed to be phi 0.5mm-1mm, so that the uniformity of the gap between the flow deflector 4 and the inner wall of the outer cylinder 2 can be ensured, the problem that the spiral flow guiding effect cannot be well achieved due to overlarge partial gap is avoided, and the spiral flow guiding effect of the flow deflector 4 is facilitated to be stabilized.
Preferably, be equipped with bulge loop 7 on the outer wall that interior jar 1 is close to the discharge end, the external diameter of bulge loop 7 equals the internal diameter of outer jar 2, when outer jar 2 cover was on interior jar 1, the outer wall of bulge loop 7 and the inner wall of outer jar 2 laminated mutually, played the effect of bearing outer jar 2 for when welding interior jar 2 on interior jar 1, avoid outer jar 2 the problem that deflects to ensure that the axiality between the inside and outside jar of welded evaporimeter satisfies the designing requirement.
The working principle is as follows: the refrigerant enters from the refrigerant inlet 21 and flows in the flow guide channel 3 formed by the outer wall of the inner cylinder 1, the inner wall of the outer cylinder 2 and any two adjacent flow deflectors 4, and the flow guide channel 3 is spirally arranged on the outer wall of the inner cylinder 1, so that all the refrigerant flowing on the flow guide channel 3 can pass through the outer surface of the whole inner cylinder 1, thereby ensuring the sufficient contact of the refrigerant and the outer surface of the inner cylinder 1 and achieving the purpose of improving the heat exchange efficiency.
The beneficial effects of this embodiment: the outer wall of the inner cylinder is provided with the flow guide channel for guiding the refrigerant to flow on the outer wall of the inner cylinder, so that the refrigerant can advance in a spiral form and flow through the whole outer wall surface of the inner cylinder in the heat exchange process, and the aim of improving the heat exchange efficiency is fulfilled; the gap between the flow deflector and the inner wall of the outer cylinder is beneficial to the expansion, pressure relief and flow of high-temperature gas, and the fine series flow can play a role in effectively reducing the pressure in the flow guide channel.
Example 2
In addition, referring to fig. 4, the diversion channel may adopt a structure of arranging a spiral diversion sheet inside, and may also adopt a structural form of pressing the side wall of the outer cylinder 2, that is, the inner wall of the outer cylinder 2 has a diversion trench 5 arranged spirally, the diversion trench 5 forms the diversion channel 3, preferably, the side wall of the outer cylinder may be pressed into a structural form of having a spiral trench path, that is, the diversion trench 5, by a pressing form, and a space between the diversion trench 5 and the outer wall of the inner cylinder 1 forms the diversion channel 3, so the diversion trench 5 may also play a role of guiding the refrigerant to flow through the whole outer surface of the inner cylinder 1 in a spiral flowing form, and may also play a role of improving heat exchange efficiency, further, on the basis of the structure of this embodiment, the diversion sheet structure of embodiment 1 may also be arranged on the outer wall of the inner cylinder 1 in a matching manner, so, the effect of reducing the clearance between the wall of the diversion trench 5 and the outer wall of the inner cylinder 1 can be achieved.
Example 3
In addition, referring to fig. 5 and 6, the flow guide channel 3 may also directly adopt a form of winding a pipeline, that is, a spiral flow guide pipe 6 is disposed on the outer wall of the inner cylinder 1, the flow guide channel 3 is formed by an inner cavity of the flow guide pipe 6, and two ends of the flow guide pipe 6 are respectively communicated with the refrigerant inlet 21 and the refrigerant outlet 22, so that the heat exchange efficiency can also be improved.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the utility model.
Furthermore, the terms "first", "second", "element i", "element ii" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features indicated. Thus, features defined as "first", "second", "element i", "element ii" may explicitly or implicitly include one or more of such features. In the description of the present invention, "plurality" or "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The evaporator of the ice cream machine is characterized by comprising an inner cylinder and an outer cylinder, wherein the outer cylinder is sleeved outside the inner cylinder, two end portions of the outer cylinder are respectively connected with two end portions of the inner cylinder in a sealing mode, a heat exchange cavity for a refrigerant to pass through is formed in a space between the inner cylinder and the outer cylinder, two ends of the outer cylinder are provided with a refrigerant inlet and a refrigerant outlet, the refrigerant inlet and the refrigerant outlet are communicated with the heat exchange cavity, a flow guide channel used for guiding the refrigerant to flow on the outer wall of the inner cylinder is arranged in the heat exchange cavity, and the flow guide channel is spirally arranged on the outer wall of the inner cylinder.
2. The evaporator of ice cream machine according to claim 1, wherein said inner casing has a helically disposed baffle on its outer wall, and the space between the sidewalls of the baffle forms said flow guide channel.
3. An evaporator for an ice cream machine according to claim 2, wherein said baffle has an outer diameter smaller than an inner diameter of said outer casing.
4. An evaporator for an ice cream machine according to claim 3, wherein the difference between the inner diameter of said outer cylinder and the outer diameter of said baffle is 1-3 mm.
5. Ice cream machine evaporator according to any one of claims 1-4, characterized in that the coaxiality between said outer casing and said inner casing is φ 0.5-1.
6. Ice cream machine evaporator according to claim 5, characterized in that a protruding ring is provided on the outer wall of the inner cylinder near the discharge end, the outer diameter of the protruding ring being equal to the inner diameter of the outer cylinder.
7. An evaporator for an ice cream machine according to claim 1, wherein said inner wall of said outer casing has a guide groove arranged spirally, said guide groove forming said guide passage.
8. The evaporator of ice cream machine according to claim 1, wherein a helical flow guide tube is disposed on an outer wall of said inner casing, an inner cavity of said flow guide tube forms said flow guide channel, and two ends of said flow guide tube are respectively connected to said refrigerant inlet and said refrigerant outlet.
9. The evaporator of ice cream machine according to claim 8, wherein the cross section of the inner cavity of said flow guide tube is semicircular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122421492.XU CN215864155U (en) | 2021-10-08 | 2021-10-08 | Evaporator of ice cream machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122421492.XU CN215864155U (en) | 2021-10-08 | 2021-10-08 | Evaporator of ice cream machine |
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| Publication Number | Publication Date |
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| CN215864155U true CN215864155U (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122421492.XU Active CN215864155U (en) | 2021-10-08 | 2021-10-08 | Evaporator of ice cream machine |
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| CN (1) | CN215864155U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114992732A (en) * | 2022-05-27 | 2022-09-02 | 河北工程大学 | Longitudinal heat exchange ice energy storage heat exchanger |
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2021
- 2021-10-08 CN CN202122421492.XU patent/CN215864155U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114992732A (en) * | 2022-05-27 | 2022-09-02 | 河北工程大学 | Longitudinal heat exchange ice energy storage heat exchanger |
| CN114992732B (en) * | 2022-05-27 | 2023-06-20 | 河北工程大学 | Longitudinal heat exchange ice energy storage heat exchanger |
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