CN210512293U - Quick freezing machine - Google Patents
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- CN210512293U CN210512293U CN201921578014.6U CN201921578014U CN210512293U CN 210512293 U CN210512293 U CN 210512293U CN 201921578014 U CN201921578014 U CN 201921578014U CN 210512293 U CN210512293 U CN 210512293U
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- freezing tunnel
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Abstract
The utility model discloses a quick freezer relates to refrigeration plant technical field. The utility model comprises a cabinet, wherein a quick-freezing tunnel is arranged in the cabinet; a closed cavity is formed between the cabinet and the quick-freezing tunnel; a material conveying belt for conveying materials is arranged in the quick-freezing tunnel, an air inlet is formed in the upper part of the quick-freezing tunnel, and air outlets communicated with the cavity are formed in two side walls of the quick-freezing tunnel; a fan and an evaporator group are arranged in the cavity; the fan is positioned above the quick-freezing tunnel, and the outlet of the fan is communicated with the air inlet of the quick-freezing tunnel; the evaporator group comprises two evaporators, and the two evaporators of the same evaporator group are respectively positioned on two sides of the fan; the evaporator is arranged obliquely to the side wall of the quick-freezing tunnel, and an inclination angle a is formed between the windward side of the evaporator and the side wall of the quick-freezing tunnel. The utility model discloses refrigeration efficiency is high, freeze effectual, the operation energy consumption is low.
Description
Technical Field
The utility model relates to a refrigeration plant technical field, concretely relates to quick freezer.
Background
A quick freezing machine is a quick freezing device which can freeze a large amount of products in a short time. The quick freezer mainly comprises a material conveying belt, a quick freezing tunnel, an evaporator and a fan. The material conveying belt is arranged in the quick-freezing tunnel and used for conveying materials needing quick freezing, such as meat, vegetables and the like. The evaporator is a refrigeration device, and can quickly reduce the temperature of gas and output low-temperature gas by heat exchange between a refrigerant and the gas. The fan is used for pumping the low-temperature gas output by the evaporator into the quick-freezing tunnel. The material is carried in the conveyer belt and is transported in quick-freeze tunnel, and the fan is gaseous to be pumped to the quick-freeze tunnel with low temperature in, and low temperature is gaseous and the material heat transfer, freezes the material fast. The overall arrangement of each part is as follows on current frozen machine, and quick-freeze tunnel, fan and evaporimeter all set up in the inside cavity of rack, and the fan setting is in the top in quick-freeze tunnel, and the evaporimeter sets up in pairs, and the evaporimeter with the pair is located the both sides in quick-freeze tunnel respectively. After the low-temperature gas exchanges heat with the materials in the quick-freezing tunnel, the low-temperature gas flows out from air outlets on two sides of the quick-freezing tunnel, flows to two sides of the quick-freezing tunnel respectively, flows upwards along the side wall of the quick-freezing tunnel and enters the evaporator. The evaporator cools the inflowing gas and then discharges the gas, and the fan pumps the low-temperature gas into the quick-freezing tunnel to complete an airflow circulation.
In the prior art, the evaporator is arranged perpendicular to the side wall of the quick-freezing tunnel, on one hand, the distance between the side wall of the quick-freezing tunnel and the side wall of the cabinet is limited, the installation space of the evaporator is small, the specification of the selected evaporator is limited, the refrigeration efficiency is reduced, and the time required by freezing is prolonged. On the other hand, the air flow moves upwards along the side wall of the quick-freezing tunnel, and the evaporator is perpendicular to the side wall of the quick-freezing tunnel, so that the air flow vertically flows into the evaporator to exchange heat. The frontal area of the evaporator is small, the frontal wind resistance is large, the heat exchange area between the evaporator and the air flow is small, the heat exchange efficiency is low, and the refrigeration efficiency is further reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model aims to provide a quick freezer. The utility model discloses refrigeration efficiency is high, freeze effectual, the operation energy consumption is low.
The utility model relates to a quick freezer, which comprises a cabinet, wherein a quick freezing tunnel is arranged in the cabinet; a closed cavity is formed between the cabinet and the quick-freezing tunnel; a material conveying belt for conveying materials is arranged in the quick-freezing tunnel, an air inlet is formed in the upper part of the quick-freezing tunnel, and air outlets communicated with the cavity are formed in two side walls of the quick-freezing tunnel; a fan and an evaporator group are arranged in the cavity; the fan is positioned above the quick-freezing tunnel, and the outlet of the fan is communicated with the air inlet of the quick-freezing tunnel; the evaporator group comprises two evaporators, and the two evaporators of the same evaporator group are respectively positioned on two sides of the fan; the evaporator is arranged obliquely to the side wall of the quick-freezing tunnel, and an inclination angle a is formed between the windward side of the evaporator and the side wall of the quick-freezing tunnel.
Preferably, the inclination angle a ranges from 120 ° to 150 °.
Preferably, the instant freezer further comprises a mounting rack, the mounting rack is connected with the cabinet, and the evaporator is connected with the mounting rack.
The side wall of the cabinet comprises double-layer stainless steel plates, and polyurethane foam materials are filled between the double-layer stainless steel plates.
Preferably, a defrosting device is arranged above the evaporator.
Preferably, a guide plate is arranged on the outer side of the air outlet, and the guide plate is inclined to the side wall of the cabinet.
Preferably, the conveyor belt is a conveyor belt.
Preferably, the fan is an axial fan.
Preferably, the outlet of the fan is trumpet-shaped, and the opening angle of the trumpet-shaped outlet is 135-175 degrees.
Preferably, a feeding hole and a discharging hole are respectively formed in two ends of the quick-freezing tunnel, and curtain sheets are hung at the feeding hole and the discharging hole.
A frozen machine, its advantage is in, the utility model discloses an evaporimeter adopts the mounting means that the slope was arranged, under the limited prerequisite of installation space in the rack, can choose the bigger evaporimeter of size for use to improve refrigeration efficiency. On the other hand, when the air flow flows upwards along the side wall of the quick-freezing tunnel, the evaporator is obliquely arranged, so that the heat exchange area between the air flow and the evaporator is increased, the windward resistance is reduced, and the refrigeration efficiency can be effectively improved. The utility model discloses quick-freeze efficient, quick-freeze effectual, the operation energy consumption is low.
Drawings
Fig. 1 is a schematic structural diagram of the instant freezer of the present invention.
Description of reference numerals: 1-cabinet, 2-fan, 3-quick-freezing tunnel, 31-conveying belt, 4-evaporator, 5-mounting rack and 6-gas flow direction.
Detailed Description
As shown in figure 1, the utility model discloses a quick freezer, including rack 1, the appearance of rack 1 is the cuboid roughly, extends along the direction of delivery of material. A quick-freezing tunnel 3 is provided inside the cabinet 1, and the quick-freezing tunnel 3 is generally rectangular. The two ends of the quick-freezing tunnel 3 are respectively provided with a feeding hole and a discharging hole, the feeding hole is usually provided with a matched feeding frame, and the discharging hole is usually provided with a matched discharging frame and a storage barrel for storing materials. In this embodiment, curtain sheets are further hung at the feed inlet and the discharge outlet, the curtain sheets are long-strip curtain sheets made of silica gel, the upper ends of the curtain sheets are hung at the upper parts of the feed inlet and the discharge outlet, and the lower ends of the curtain sheets are free ends. When the material passes through the feed inlet or the discharge outlet, the curtain sheet can be supported, and the material transportation cannot be influenced. Under the normal state, the curtain sheet can droop naturally, shield the feed inlet and the discharge port to a certain extent, reduce the cold air loss in the quick-freezing tunnel 3, improve the quick-freezing effect and reduce the energy consumption.
The inside of the quick-freezing tunnel 3 is provided with a material conveying belt 31, in this embodiment, the material conveying belt 31 is a conveying mesh belt, and the conveying mesh belt is commonly used for conveying food and is stable in conveying. The material conveying belt extends parallel to the horizontal plane, and the side walls of the cabinet 1 and the quick-freezing tunnel 3 are vertical to the horizontal plane.
An airtight cavity is formed between the quick-freezing tunnel 3 and the cabinet 1, and a fan 2 and an evaporator group are arranged in the cavity.
The upper part of the quick-freezing tunnel 3 is provided with an air inlet, the two side walls are provided with air outlets, and the air outlets are positioned at the lower parts of the two side walls and are communicated with the cavity. The material conveying belt 31 extends in the same direction as the quick-freezing tunnel 3 and is used for driving the materials to move along the quick-freezing tunnel 3. The fan 2 is arranged above the quick-freezing tunnel 3, the fan 2 is an axial flow fan, the outlet of the axial flow fan is horn-shaped, the opening angle is 135 degrees to 175 degrees, the axial flow fan is stable in operation and can output stable air flow, and the horn-shaped opening can enable the air flow to diffuse to two sides of the quick-freezing tunnel 3, so that the materials on the material conveying belt 31 are uniformly refrigerated. The outlet of the fan 2 is communicated with the air inlet of the quick-freezing tunnel 3, so that the air flow blown out by the fan 2 enters the quick-freezing tunnel 3. The evaporator group is arranged on two sides of the fan 2 and comprises two evaporators 4 which are arranged in pairs, and the two evaporators 4 in the same group are respectively arranged on two sides of the fan 2. Generally speaking, the number of fans 2 and evaporators 4 is adapted, each fan 2 being associated with a pair of evaporators 4. And the number of the fans 2 is determined according to the length of the quick-freezing tunnel 3.
In this embodiment, the evaporator 4 is a linear evaporator 4, the evaporator 4 is disposed obliquely to the side wall of the quick-freezing tunnel 3, and the windward side of the evaporator 4 and the side surface of the quick-freezing tunnel 3 form an inclination angle a.
The instant freezer of this embodiment is at the during operation, and fortune material area 31 starts, drives the material and moves along quick-freeze tunnel 3. The fan 2 is started and simultaneously the evaporator 4 is started. The fan 2 starts to draw air from both sides, so that air flows are formed on both sides of the fan 2, and the air below the evaporator 4 flows into the evaporator 4. The evaporator 4 cools the gas flowing in, and the refrigerant exchanges heat with the gas to lower the temperature of the gas, thereby generating and sending a low-temperature gas flow. The fan 2 extracts low-temperature airflow and conveys the low-temperature airflow into the quick-freezing tunnel 3, the low-temperature airflow exchanges heat with materials on the material conveying belt 31, the temperature of the materials is reduced, and quick freezing of the materials is achieved. The temperature of the low-temperature airflow can rise after heat exchange, and the heated gas is discharged into the cavity from the air outlets on the two sides of the quick-freezing tunnel 3. The gas exhausted from the air outlet flows upwards along the side wall of the quick-freezing tunnel 3, enters the evaporator 4 under the drawing action of the fan 2, is cooled in the evaporator 4, and is then drawn into the quick-freezing tunnel 3 by the fan 2. Under the action of the fan 2, an airflow circulation is formed in the cavity, the air is firstly cooled at the evaporator 4, then is pumped into the quick-frozen material in the quick-frozen tunnel 3 by the fan 2, the air after quick freezing is discharged out of the quick-frozen tunnel 3, enters the evaporator 4 again for cooling, and then flows circularly.
In this embodiment, because evaporimeter 4 inclines to the lateral wall setting in quick-freeze tunnel 3, compare in prior art perpendicular installation evaporimeter 4, when the air current upwards flows into evaporimeter 4 along the lateral wall in quick-freeze tunnel 3, can have bigger area of contact with evaporimeter 4, bigger heat transfer area, just so can make the gaseous faster cooling that flows into evaporimeter 4 to and obtain better cooling effect, and then improve this embodiment the quick-freeze efficiency and the quick-freeze effect of frozen machine reduce the energy consumption of quick-freeze in-process.
On the other hand, because the space inside the cabinet 1 is limited, under the condition that the distance between the side wall of the quick-freezing tunnel 3 and the side wall of the cabinet 1 is fixed, the evaporators 4 are obliquely arranged, so that the evaporators 4 with longer length can be selected, the heat exchange efficiency is improved, and the quick-freezing efficiency is further improved.
Finally, the obliquely arranged evaporator 4 can obviously reduce windward resistance, reduce the resistance borne by the fan 2 in the air extraction process, make the air flow circulation smoother, contribute to improving the quick-freezing efficiency and reduce the load and energy consumption of the fan 2.
The quick-freezing machine of this embodiment has the quick-freeze efficient, quick-freeze effectual and the operation energy consumption advantage low, discovers in the in-service use, compares in the quick-freezing machine among the prior art, this embodiment the air current temperature of 2 air outlets of fan of quick-freezing machine can reduce about 1.4 ℃, and the refrigerating output in the unit interval has improved about 70kw, has outstanding practical effect and practical value.
In this embodiment, the inclination angle a ranges from 120 ° to 150 °. When the inclination angle a is within the above range, the heat exchange area between the airflow and the evaporator 4 is large, and the evaporator 4 can be stably installed in the cabinet 1.
The instant freezer of this embodiment still includes mounting bracket 5, and mounting bracket 5 is the tripod, and its two right-angle sides support the apex angle department on 1 upper portion of rack, through the bolt fastening in 1 of rack. One end of the evaporator 4 is fixed on the bevel edge of the tripod through a bolt, and the other end of the evaporator is fixed on the side wall of the quick-freezing tunnel 3 through a bolt. The mounting bracket 5 can firmly fix the evaporator 4 in the cabinet 1.
The lateral wall of the cabinet 1 of this embodiment is made of double-layer stainless steel plates, and polyurethane foam material is filled between the double-layer stainless steel plates. The polyurethane foam material can play a good role in heat preservation and heat insulation, and can prevent the low-temperature environment in the cabinet 1 from exchanging heat with the external high-temperature environment, so that the low temperature in the cabinet 1 is kept, the quick-freezing effect is improved, and the energy consumption is reduced.
The defrosting device is arranged above the evaporator 4, in the embodiment, the defrosting device is a high-pressure water pump, high-pressure water is sprayed by the high-pressure water pump to clean frosting on the fins of the evaporator, and the evaporator is prevented from influencing the refrigerating effect due to frosting of the fins.
And a guide plate is arranged on the outer side of the air outlet of the quick-freezing tunnel 3, is inclined to the side wall of the cabinet and forms an obtuse angle with the side wall of the cabinet. When the air current in the quick-freeze tunnel flows out from the air outlet, the air current can contact with the guide plate to change the flow direction, flows upwards under the action of the guide plate and contacts with the evaporator. The guide plate can guide the air current to flow upwards, makes the air current circulation more smooth and easy.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.
Claims (10)
1. A quick freezer comprises a cabinet, wherein a quick freezing tunnel is arranged in the cabinet; a closed cavity is formed between the cabinet and the quick-freezing tunnel; a material conveying belt for conveying materials is arranged in the quick-freezing tunnel, an air inlet is formed in the upper part of the quick-freezing tunnel, and air outlets communicated with the cavity are formed in two side walls of the quick-freezing tunnel; a fan and an evaporator group are arranged in the cavity; the fan is positioned above the quick-freezing tunnel, and the outlet of the fan is communicated with the air inlet of the quick-freezing tunnel; the evaporator group comprises two evaporators, and the two evaporators of the same evaporator group are respectively positioned on two sides of the fan; the method is characterized in that the evaporator is arranged obliquely to the side wall of the quick-freezing tunnel, and an inclination angle a is formed between the windward side of the evaporator and the side wall of the quick-freezing tunnel.
2. A freezer according to claim 1, characterised in that the angle of inclination a is in the range 120 ° to 150 °.
3. The freezer of claim 1, further comprising a mounting bracket connected to the cabinet, the evaporator being connected to the mounting bracket.
4. The instant freezer of claim 1, wherein the side walls of the cabinet comprise double layers of stainless steel plates with polyurethane foam filled therebetween.
5. A freezer according to claim 1, characterised in that a defrost device is provided above the evaporator.
6. The instant freezer of claim 1, wherein a deflector is provided outside the air outlet, the deflector being disposed obliquely to the side wall of the cabinet.
7. The instant freezer of claim 1, wherein the conveyor belt is a mesh conveyor belt.
8. A freezer according to claim 1, characterised in that the fan is an axial fan.
9. A freezer according to claim 8, characterised in that the blower outlet is trumpet shaped with an opening angle of 135 ° to 175 °.
10. The instant freezer according to claim 1, wherein a feed inlet and a discharge outlet are respectively arranged at two ends of the quick freezing tunnel, and curtain sheets are hung at the feed inlet and the discharge outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921578014.6U CN210512293U (en) | 2019-09-20 | 2019-09-20 | Quick freezing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921578014.6U CN210512293U (en) | 2019-09-20 | 2019-09-20 | Quick freezing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210512293U true CN210512293U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921578014.6U Active CN210512293U (en) | 2019-09-20 | 2019-09-20 | Quick freezing machine |
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| Country | Link |
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| CN (1) | CN210512293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981721A (en) * | 2020-08-31 | 2020-11-24 | 浙江英诺绿能科技有限公司 | Movable integrated carbon dioxide precooler |
-
2019
- 2019-09-20 CN CN201921578014.6U patent/CN210512293U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981721A (en) * | 2020-08-31 | 2020-11-24 | 浙江英诺绿能科技有限公司 | Movable integrated carbon dioxide precooler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220908 Address after: 311800 No. 196, Zhongyang Road, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee after: ZHEJIANG DUNAN COLD CHAIN SYSTEM Co.,Ltd. Address before: Room d3246, 3rd floor, building 1 (North), 368 Liuhe Road, Puyan street, Binjiang District, Hangzhou, Zhejiang 310000 Patentee before: Zhejiang yingnuo Green Energy Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |