Rotary evaporator for snowflake machine

Abstract

A rotary evaporator for a snowflake machine, comprising a rotary evaporator body (1), wherein a driving device is connected to a first end of the rotary evaporator body (1), and a refrigeration device is connected to a second end of the rotary evaporator body (1); an evaporator (2) is provided in the rotary evaporator body (1); and the refrigeration device comprises a capillary tube (3) and a return pipe (4), a first end of the capillary tube (3) extending into the rotary evaporator body (1) and being hermetically connected to a first end of the evaporator (2), and a first end of the return pipe (4) extending into the rotary evaporator body (1) and being hermetically connected to a second end of the evaporator (2). By means of sealing a refrigerant in the evaporator (2), the capillary tube (3), the return pipe (4), a condenser and a compressor, a closed circulation line is formed, such that there is no need for a sealing structure to seal the refrigerant, and there is no risk of refrigerant leakage, thereby ensuring long-term stable performance of a product.

Description

A rotary evaporator for snowflake machines Technical Field

[0001] This utility model relates to the field of snow machine technology, and specifically to a rotary evaporator for a snow machine. Background Technology

[0002] Utility model patent CN213713632U discloses a sealed rotary evaporator for a snow ice machine, comprising a rotary evaporator body, a sealing seat, a central tube, and a return gas pipe. A sealing seat is inserted into the center of one side of the rotary evaporator body, and a bearing is provided at one end inside the sealing seat. A central tube, penetrating the bearing, is inserted into the center of the sealing seat. A second rubber sealing ring is sleeved at the center between the sealing seat and the central tube. A third rubber sealing ring is sleeved on the side of the sealing seat and the central tube near the second rubber sealing ring. A nozzle is threaded onto one end of the central tube inside the rotary evaporator body. A pressure spring is sleeved between the center of the outer wall of the central tube and the bearing. A copper sleeve is inserted between the end of the sealing seat and the central tube. A return gas pipe is inserted into the center of the central tube. A liquid inlet chamber is formed between the inner wall of the central tube and the outer wall of the return gas pipe. A liquid inlet pipe is inserted into one end of the liquid inlet chamber. In this prior art, the refrigerant is injected into the rotary evaporator body through a capillary tube and nozzle by the compressor, and then flows back to the compressor through the return pipe. The refrigerant is sealed in the rotary evaporator body by a second sealing ring and a third sealing ring. This sealing structure is relatively complex, and the refrigerant is not in a closed environment, so there may be a risk of refrigerant leakage.

[0003] Therefore, existing technologies still need to be improved and developed. Technical solutions

[0004] To address the problems of existing technologies, this utility model provides a rotary evaporator for snowflake machines. The refrigerant in the rotary evaporator is enclosed in the evaporator, capillary tube, return gas pipe, condenser, and compressor, forming a closed circulation pipeline. This eliminates the need for a sealing structure to seal the refrigerant, thus eliminating the risk of leakage and ensuring long-term stable product performance and reliable quality assurance.

[0005] To achieve the above objectives, the technical solution applied in this utility model is as follows:

[0006] A rotary evaporator for a snow-flake machine includes a rotary evaporator body. A drive device is connected to a first end of the rotary evaporator body, and a refrigeration device is connected to a second end of the rotary evaporator body. An evaporator is housed within the rotary evaporator body. The refrigeration device includes a capillary tube and a return gas pipe. The first end of the capillary tube extends into the rotary evaporator body and is sealed to the first end of the evaporator. The first end of the return gas pipe extends into the rotary evaporator body and is sealed to the second end of the evaporator. In practical applications, the refrigeration device also includes a condenser and a compressor. The condenser and compressor are connected by piping. The compressor is connected to the second end of the capillary tube, and the second end of the return gas pipe is connected to the condenser. This invention encloses the refrigerant in the evaporator, capillary tube, return gas pipe, condenser, and compressor, forming a closed-loop circulation pipeline. This eliminates the need for a sealing structure to seal the refrigerant and eliminates the risk of refrigerant leakage, thereby ensuring long-term stable product performance and providing reliable quality assurance.

[0007] According to the above scheme, the rotary evaporator body is equipped with antifreeze coolant corresponding to the evaporator, and the rotary evaporator body is equipped with an antifreeze coolant injection hole, in which a waterproof screw is fixed. This arrangement facilitates the injection or replacement of antifreeze coolant and makes subsequent maintenance convenient. When making flake ice, the compressor sends refrigerant into the evaporator through a capillary tube. The evaporator transfers its cooling capacity to the antifreeze coolant, which then transfers its cooling capacity to the surface of the rotary evaporator body, achieving surface cooling of the rotary evaporator body and improving the ice-making effect. The rotary evaporator body is then driven to rotate by a drive device, and ice flakes are scraped off by a scraper to form flake ice.

[0008] According to the above solution, a sealing element is provided between the waterproof screw and the antifreeze coolant injection hole. This arrangement ensures a seal between the waterproof screw and the antifreeze coolant injection hole through the sealing element.

[0009] According to the above scheme, a return gas pipe fixing seat is installed at the second end of the rotary evaporator body, and the first end of the capillary tube and the first end of the return gas pipe respectively pass through the return gas pipe fixing seat and extend into the rotary evaporator body. This arrangement facilitates the fixed assembly of the capillary tube and the return gas pipe.

[0010] According to the above scheme, the second end of the rotary evaporator body is provided with a mounting base that mates with the return gas pipe fixing seat. A shaft seal bearing is fixed inside the mounting base, and a second sealing element is fixed inside the shaft seal bearing. The second sealing element is sealed to the outer wall of the return gas pipe fixing seat. This arrangement facilitates the assembly of the return gas pipe fixing seat. In practical applications, the return gas pipe fixing seat and the mounting base are movably connected. When the driving device drives the rotary evaporator body to rotate, the evaporator, capillary tube, return gas pipe, and return gas pipe fixing seat will not rotate. Under the action of the shaft seal bearing, the rotation of the rotary evaporator body has low damping. The second sealing element serves to seal between the shaft seal bearing and the return gas pipe fixing seat.

[0011] According to the above scheme, a sealing element three is provided between the shaft seal bearing and the rotary evaporator body. This arrangement ensures a seal between the shaft seal bearing and the rotary evaporator body via the sealing element three.

[0012] According to the above scheme, the shaft seal bearing is fixed in the mounting base by a bearing retaining plate. This arrangement facilitates the assembly of the shaft seal bearing. In practical applications, the bearing retaining plate is fixed in the mounting base by bolts.

[0013] According to the above scheme, the driving device includes a drive shaft and a drive shaft mounting base. The first end of the drive shaft is connected to the drive shaft mounting base, and the second end of the drive shaft is connected to the first end of the rotary evaporator body. In practical applications, the driving device also includes a drive motor for driving the drive shaft to rotate the rotary evaporator body.

[0014] According to the above scheme, a bearing is provided inside the drive shaft mounting base, and the first end of the drive shaft is connected to the bearing. In practical applications, the drive shaft mounting base is installed on the snow machine product, and the drive device drives the drive shaft to rotate the rotary evaporator body relative to the drive shaft mounting base.

[0015] According to the above scheme, the evaporator is arranged in a spiral shape. This arrangement allows for a larger contact area between the spiral evaporator and the antifreeze coolant, and also allows the refrigerant to travel a longer distance within the spiral evaporator, resulting in higher ice-making efficiency and better ice-making effect. Beneficial effects

[0016] The beneficial effects of this utility model are:

[0017] This invention encloses the refrigerant in the rotary evaporator within the evaporator, capillary tube, return pipe, condenser, and compressor, forming a closed-loop circulation pipeline. This eliminates the need for a sealing structure to seal the refrigerant and removes the risk of refrigerant leakage, thereby ensuring long-term stable product performance and providing reliable quality assurance. Attached Figure Description

[0018] Figure 1 is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 is a cross-sectional view of Figure 1;

[0020] Figure 3 is an enlarged view of position A in Figure 2;

[0021] Figure 4 is the left view of Figure 1;

[0022] Figure 5 is the right view of Figure 1.

[0023] In the picture:

[0024] 1. Rotary evaporator body; 2. Evaporator; 3. Capillary tube; 4. Return gas pipe; 5. Drive shaft; 6. Drive shaft mounting base; 7. Return gas pipe mounting base; 8. Bearing mounting plate; 9. Waterproof screw; 10. Bearing; 11. Seal 1; 12. Seal 2; 13. Seal 3; 14. Antifreeze coolant; 15. Shaft seal bearing; 16. Mounting base; 17. Antifreeze coolant injection hole. The best embodiment of the present invention

[0025] The technical solution of this utility model will be described below with reference to the accompanying drawings and embodiments.

[0026] As shown in Figures 1 to 5, the rotary evaporator for a snow-flake machine according to this invention includes a rotary evaporator body 1. A drive device is connected to the first end of the rotary evaporator body 1, and a refrigeration device is connected to the second end of the rotary evaporator body 1. An evaporator 2 is disposed inside the rotary evaporator body 1. The refrigeration device includes a capillary tube 3 and a return gas pipe 4. The first end of the capillary tube 3 extends into the rotary evaporator body 1 and is sealed to the first end of the evaporator 2. The first end of the return gas pipe 4 extends into the rotary evaporator body 1 and is sealed to the second end of the evaporator 2. In practical applications, the refrigeration device also includes a condenser and a compressor. The condenser and compressor are connected by piping. The compressor is connected to the second end of the capillary tube 3 by piping, and the second end of the return gas pipe 4 is connected to the condenser by piping. This invention encloses the refrigerant in the evaporator 2, capillary tube 3, return gas pipe 4, condenser, and compressor, forming a closed-loop circulation pipeline. This eliminates the need for a sealing structure to seal the refrigerant and eliminates the risk of refrigerant leakage, thereby ensuring long-term stable product performance and providing reliable quality assurance.

[0027] Furthermore, the rotary evaporator body 1 is equipped with antifreeze coolant 14 corresponding to that of the evaporator 2. The rotary evaporator body 1 is equipped with an antifreeze coolant injection hole 17, and a waterproof screw 9 is fixed in the antifreeze coolant injection hole 17. This arrangement facilitates the injection or replacement of the antifreeze coolant 14 and makes subsequent maintenance convenient. When making flake ice, the compressor sends the refrigerant into the evaporator 2 through the capillary tube 3. The evaporator 2 transfers the cooling energy to the antifreeze coolant 14, and the antifreeze coolant 14 then transfers the cooling energy to the surface of the rotary evaporator body 1, thereby achieving surface cooling of the rotary evaporator body 1 and improving the ice-making effect. Then, the rotary evaporator body 1 is driven to rotate by the drive device, and ice flakes are scraped off by the scraper to form flake ice.

[0028] Furthermore, a sealing element 11 is provided between the waterproof screw 9 and the antifreeze coolant injection hole 17. This arrangement ensures a seal between the waterproof screw 9 and the antifreeze coolant injection hole 17 through the sealing element 11.

[0029] Furthermore, a return gas pipe fixing seat 7 is installed at the second end of the rotary evaporator body 1, and the first end of the capillary tube 3 and the first end of the return gas pipe 4 respectively pass through the return gas pipe fixing seat 7 and extend into the rotary evaporator body 1. This arrangement facilitates the fixed assembly of the capillary tube 3 and the return gas pipe 4.

[0030] Furthermore, the second end of the rotary evaporator body 1 is provided with a mounting base 16 that mates with the return gas pipe fixing seat 7. A shaft seal bearing 15 is fixed inside the mounting base 16, and a second seal 12 is fixed inside the shaft seal bearing 15. The second seal 12 is sealed to the outer wall of the return gas pipe fixing seat 7. This arrangement facilitates the assembly of the return gas pipe fixing seat 7. In practical applications, the return gas pipe fixing seat 7 is movably connected to the mounting base 16. When the driving device drives the rotary evaporator body 1 to rotate, the evaporator 2, capillary tube 3, return gas pipe 4, and return gas pipe fixing seat 7 will not rotate. Under the action of the shaft seal bearing 15, the rotation of the rotary evaporator body 1 has low damping. The second seal 12 serves to seal between the shaft seal bearing 15 and the return gas pipe fixing seat 7.

[0031] Furthermore, a sealing element 13 is provided between the shaft seal bearing 15 and the rotary evaporator body 1. This arrangement ensures a seal between the shaft seal bearing 15 and the rotary evaporator body 1.

[0032] Furthermore, the shaft seal bearing 15 is fixed to the mounting base 16 by the bearing retaining plate 8. This arrangement facilitates the assembly of the shaft seal bearing 15. In practical applications, the bearing retaining plate 8 is fixed to the mounting base 16 by bolts.

[0033] Furthermore, the drive device includes a drive shaft 5 and a drive shaft mounting base 6. The first end of the drive shaft 5 is connected to the drive shaft mounting base 6, and the second end of the drive shaft 5 is connected to the first end of the rotary evaporator body 1. In practical applications, the drive device also includes a drive motor for driving the drive shaft 5 to rotate the rotary evaporator body 1.

[0034] Furthermore, the drive shaft mounting base 6 is equipped with a bearing 10, and the first end of the drive shaft 5 is connected to the bearing 10. In practical applications, the drive shaft mounting base 6 is installed on the snow machine product, and the drive device drives the drive shaft 5 to rotate the rotary evaporator body 1 relative to the drive shaft mounting base 6.

[0035] Furthermore, the evaporator 2 is arranged in a spiral shape. This arrangement increases the contact area between the spiral evaporator 2 and the antifreeze coolant 14, and allows the refrigerant to travel a longer distance within the spiral evaporator 2, resulting in higher ice-making efficiency and better ice-making effect.

[0036] The embodiments of the present utility model have been described above with reference to the accompanying drawings. However, the present utility model is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of the present utility model without departing from the spirit and scope of the claims, and all of these forms are within the scope of protection of the present utility model.

Claims

1. A rotary evaporator for a snowflake machine, comprising a rotary evaporator body (1), characterized in that: The rotary evaporator body (1) has a drive device connected to its first end and a refrigeration device connected to its second end. An evaporator (2) is provided inside the rotary evaporator body (1). The refrigeration device includes a capillary tube (3) and a return pipe (4). The first end of the capillary tube (3) extends into the rotary evaporator body (1) and is sealed to the first end of the evaporator (2). The first end of the return pipe (4) extends into the rotary evaporator body (1) and is sealed to the second end of the evaporator (2).

2. The rotary evaporator for a snowflake machine according to claim 1, characterized in that: The rotary evaporator body (1) is provided with antifreeze coolant (14) corresponding to the evaporator (2), and the rotary evaporator body (1) is provided with antifreeze coolant injection hole (17), and a waterproof screw (9) is fixed in the antifreeze coolant injection hole (17).

3. A rotary evaporator for a snowflake machine according to claim 2, characterized in that: A sealing element (11) is provided between the waterproof screw (9) and the antifreeze coolant injection hole (17).

4. A rotary evaporator for a snowflake machine according to claim 2, characterized in that: The rotary evaporator body (1) is equipped with a return gas pipe fixing seat (7) at the second end. The first end of the capillary tube (3) and the first end of the return gas pipe (4) pass through the return gas pipe fixing seat (7) and extend into the rotary evaporator body (1).

5. A rotary evaporator for a snowflake machine according to claim 4, characterized in that: The rotary evaporator body (1) has a mounting base (16) at its second end that is fitted with a return gas pipe fixing seat (7). A shaft seal bearing (15) is fixed inside the mounting base (16). A second sealing element (12) is fixed inside the shaft seal bearing (15). The second sealing element (12) is sealed to the outer wall of the return gas pipe fixing seat (7).

6. A rotary evaporator for a snowflake machine according to claim 5, characterized in that: A sealing element three (13) is provided between the shaft seal bearing (15) and the rotary evaporator body (1).

7. A rotary evaporator for a snowflake machine according to claim 5, characterized in that: The shaft seal bearing (15) is fixed in the mounting base (16) by the bearing fixing plate (8).

8. A rotary evaporator for a snowflake machine according to claim 2, characterized in that: The drive device includes a drive shaft (5) and a drive shaft mounting base (6). The first end of the drive shaft (5) is connected to the drive shaft mounting base (6), and the second end of the drive shaft (5) is connected to the first end of the rotary evaporator body (1).

9. A rotary evaporator for a snowflake machine according to claim 8, characterized in that: The drive shaft mounting base (6) is provided with a bearing (10), and the first end of the drive shaft (5) is connected to the bearing (10).

10. A rotary evaporator for a snowflake machine according to claim 2, characterized in that: The evaporator (2) is arranged in a spiral shape.

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