Refrigerating and refrigerating system for beverage processing

Abstract

The utility model relates to the technical field of beverage processing, and discloses a beverage processing refrigeration system which comprises a bottom plate and a double-circulation refrigeration assembly, the double-circulation refrigeration assembly comprises a liquid ammonia storage tank, an evaporator, a compressor and a liquid collecting tank which are fixedly connected to the upper surface of the bottom plate, and the bottom end of the liquid ammonia storage tank communicates with a liquid ammonia output pipe. According to the beverage processing refrigerating system, the design of the double-circulation refrigerating assembly is adopted, the synergistic effect of the liquid ammonia storage tank, the evaporator, the compressor and the condensing tower is combined, the energy efficiency is improved through evaporation latent heat of liquid ammonia and countercurrent flow heat exchange of saline water, the saline water stabilizing assembly balances pressure fluctuation through a buffer tank, and a saline water expansion valve prevents freezing; the brine pump maintains stable flowing, the liquid supplementing tank and the electromagnetic valve are matched with the liquid level sensor to achieve timely liquid supplementing and reduce the corrosion risk, the liquid ammonia storage tank does not make contact with the plate heat exchanger, double-circulation physical isolation is achieved, the ammonia leakage risk is completely eradicated, and therefore the system is excellent in overall environmental protection performance, high in safety and convenient and fast to maintain.

Description

Technical Field

[0001] This application relates to the field of beverage processing technology, specifically to beverage processing refrigeration systems. Background Technology

[0002] In the beverage processing industry, traditional refrigeration technologies (such as Freon or single-stage ammonia refrigeration) suffer from high energy consumption, poor environmental performance, and safety hazards. Freon systems are limited due to the greenhouse effect, while ordinary ammonia refrigeration poses a risk of leakage and is difficult to use directly in food production lines. In addition, traditional refrigerants (such as ethylene glycol) are inefficient at low temperatures, and brine systems are prone to corroding equipment.

[0003] Existing technologies cannot simultaneously meet the demands for high efficiency, safety, and environmental protection, especially in terms of precise temperature control over a wide temperature range. Therefore, there is an urgent need for a new type of refrigeration system that can improve energy efficiency while ensuring food safety and environmental compliance. The liquid ammonia-salt water dual-cycle refrigeration technology proposed in this patent effectively solves the above problems through structural optimization. Utility Model Content

[0004] To address the shortcomings of existing technologies, this application provides a beverage processing refrigeration system that employs a liquid ammonia-salt water dual-circulation technology, which significantly improves energy efficiency, environmental protection, and cost, thus solving the problems mentioned in the background technology.

[0005] To achieve the above objectives, this application provides the following technical solution: a beverage processing refrigeration system, including a base plate and a dual-cycle refrigeration assembly. The dual-cycle refrigeration assembly includes a liquid ammonia storage tank, an evaporator, a compressor, and a liquid collection tank fixedly connected to the upper surface of the base plate. The bottom end of the liquid ammonia storage tank is connected to a liquid ammonia output pipe, the output end of the liquid ammonia output pipe is connected to a pipe at the bottom of the evaporator, the top pipe of the evaporator is connected to a first gaseous ammonia output pipe, the output end of the first gaseous ammonia output pipe is connected to the input end of the compressor, and a second gaseous ammonia output pipe is installed at the output end of the compressor.

[0006] A condenser tower is installed inside the liquid collection tank. The output end of the second gaseous ammonia output pipe is installed at the top inlet of the condenser tower. A liquid ammonia reflux pipe is connected to the bottom of the liquid collection tank. A liquid ammonia expansion valve is installed on the pipe section of the liquid ammonia reflux pipe. The output end of the liquid ammonia reflux pipe is connected to the top pipe of the liquid ammonia storage tank. A brine output pipe and a brine input pipe are installed on one side of the evaporator. A plate heat exchanger is fixedly connected to the upper surface of the bottom plate. Both the brine output pipe and the brine input pipe are connected to one side of the plate heat exchanger. A brine stabilizing component is installed on the pipe section of the brine input pipe.

[0007] The above-described scheme employs a dual-cycle refrigeration system design, combining the synergistic effects of the liquid ammonia storage tank, evaporator, compressor, and condenser tower. It leverages the latent heat of vaporization of liquid ammonia and the counter-current heat exchange of brine to improve energy efficiency. The brine stabilization component balances pressure fluctuations, prevents icing, and maintains stable flow, while also enabling timely liquid replenishment and reducing corrosion risks. Furthermore, the liquid ammonia storage tank and plate heat exchanger are non-contact, achieving physical isolation between the dual cycles and eliminating the risk of ammonia leakage. Therefore, the system boasts excellent overall environmental performance, high safety, and convenient maintenance.

[0008] Furthermore, a beverage connection port assembly is installed on one side of the plate heat exchanger, and a liquid ammonia replenishment port is installed on the top of the liquid ammonia storage tank.

[0009] The above scheme allows for convenient delivery of hot beverage processing fluid to the plate heat exchanger via the beverage connection port assembly, where it exchanges heat with the brine delivered by the brine output and input pipes, thereby achieving a cooling effect. The liquid ammonia replenishment port facilitates the replenishment of high-pressure liquid ammonia into the liquid ammonia storage tank, ensuring the normal operation of the dual-cycle refrigeration system.

[0010] Furthermore, a controller is fixedly connected to the upper surface of the base plate, and the electrical components inside the dual-cycle refrigeration assembly and the brine stabilization assembly are all electrically connected to the controller.

[0011] The above scheme allows for convenient control of the electrical components in the device via a designated controller, simplifying operation.

[0012] Furthermore, the brine stabilization assembly includes a buffer tank installed on the brine input pipe section and a replenishment tank fixedly connected to the upper surface of the base plate. A brine expansion valve is installed on the input pipe of the buffer tank.

[0013] The above scheme uses a buffer tank to balance pressure fluctuations and accommodate the expansion of brine volume caused by temperature changes. The brine expansion valve can throttle and reduce pressure to prevent the brine in the evaporator from freezing due to sudden pressure drops. It can also regulate the flow rate to match changes in the refrigeration load. The replenishment tank can store brine independently of the dual-cycle refrigeration components, facilitating replenishment.

[0014] Furthermore, a brine pump is installed on the output pipe of the buffer tank.

[0015] The above solution utilizes a brine pump to provide a stable flow rate, overcome pipeline resistance, and ensure continuous brine flow.

[0016] Furthermore, a liquid level sensor is installed inside the buffer tank, and a brine replenishment pipe is installed on the top of the buffer tank.

[0017] The above solution allows the liquid level sensor to detect the brine level inside the buffer tank, facilitating the subsequent replenishment of brine to the buffer tank via a brine replenishment pipe. This ensures sufficient brine supply, which is beneficial for the operation of the dual-cycle refrigeration system.

[0018] Furthermore, a replenishment pump is fixedly connected to the bottom of the replenishment tank, and a replenishment pipe is fixedly connected to the output end of the replenishment pump. The output end of the replenishment pipe is connected to the input end of the saline replenishment pipe.

[0019] The above scheme allows for convenient delivery of saline solution from the replenishment tank to the replenishment pipe via a replenishment pump. The saline solution in the replenishment pipe can then be delivered to the saline replenishment pipe and subsequently to the buffer tank.

[0020] Furthermore, a solenoid valve is installed on the section of the replenishment pipe, and a saline replenishment port is installed on the top of the replenishment tank.

[0021] The above scheme allows for convenient replenishment of saline solution to the buffer tank via a solenoid valve and a saline solution replenishment port, making it easy to add mixed saline solution to the replenishment tank.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] This beverage processing refrigeration system employs a dual-cycle refrigeration component design, combining the synergistic effects of a liquid ammonia storage tank, evaporator, compressor, and condenser. It utilizes the latent heat of vaporization of liquid ammonia and countercurrent heat exchange with brine to improve energy efficiency. The brine stabilization component balances pressure fluctuations through a buffer tank, the brine expansion valve prevents freezing, the brine pump maintains stable flow, and the replenishment tank and solenoid valve, along with a level sensor, enable timely replenishment, reducing the risk of corrosion. Furthermore, the liquid ammonia storage tank and plate heat exchanger are not in contact, achieving physical isolation between the dual cycles and eliminating the risk of ammonia leakage. Therefore, the system is environmentally friendly, highly safe, and easy to maintain. Attached Figure Description

[0024] Figure 1 This is a first overall top view of the structure of this application;

[0025] Figure 2 This is a second overall top view of the structure of this application;

[0026] Figure 3 For the structure of this application Figure 2 Enlarged schematic diagram of the structure at point A in the middle;

[0027] Figure 4 This is a top view of the third overall structure of this application.

[0028] Figure 5This is a partial bottom view of the structure of this application.

[0029] In the picture:

[0030] 1. Base plate; 2. Dual-cycle refrigeration assembly; 201. Liquid ammonia storage tank; 202. Liquid ammonia output pipe; 203. Evaporator; 204. First gaseous ammonia output pipe; 205. Compressor; 206. Second gaseous ammonia output pipe; 207. Condensation tower; 208. Liquid collection tank; 209. Liquid ammonia reflux pipe; 210. Liquid ammonia expansion valve; 211. Brine output pipe; 212. Brine input pipe; 213. Plate heat exchanger; 214. Beverage connection port assembly; 215. Liquid ammonia replenishment port; 3. Brine stabilization assembly; 301. Buffer tank; 302. Brine expansion valve; 303. Brine pump; 304. Liquid level sensor; 305. Brine replenishment pipe; 306. Replenishment tank; 307. Replenishment pump; 308. Replenishment pipe; 309. Solenoid valve; 310. Brine replenishment port; 4. Controller. Detailed Implementation

[0031] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0032] Please see Figure 1 , Figure 2 and Figure 5 The beverage processing refrigeration system in this embodiment includes a base plate 1 and a dual-cycle refrigeration assembly 2. The dual-cycle refrigeration assembly 2 includes a liquid ammonia storage tank 201, an evaporator 203, a compressor 205, and a liquid collection tank 208, which are fixedly connected to the upper surface of the base plate 1. The bottom end of the liquid ammonia storage tank 201 is connected to a liquid ammonia output pipe 202. The output end of the liquid ammonia output pipe 202 is connected to a pipe at the bottom of the evaporator 203. The liquid ammonia inside the liquid ammonia storage tank 201 can be transported to the evaporator 203 through the liquid ammonia output pipe 202 to exchange heat with the brine. After absorbing the heat of the brine, it vaporizes and provides a cold source for the brine circulation. The top pipe of the evaporator 203 is connected to a first gaseous ammonia output pipe 204. The output end of the first gaseous ammonia output pipe 204 is connected to the input end of the compressor 205. The output end of the compressor 205 is equipped with a second gaseous ammonia output pipe 206. The compressor 205 can compress gaseous ammonia into high-temperature and high-pressure gas, thereby improving its condensation efficiency.

[0033] Please see Figure 2 , Figure 3 and Figure 4The liquid collection tank 208 is equipped with a condenser tower 207. The output end of the second gaseous ammonia output pipe 206 is installed at the top inlet of the condenser tower 207. Through the cooperation of the condenser tower 207 and the liquid collection tank 208, the high-temperature gaseous ammonia transported by the second gaseous ammonia output pipe 206 is condensed into liquid and flows into the liquid collection tank 208. The bottom of the liquid collection tank 208 is connected to a liquid ammonia return pipe 209. A liquid ammonia expansion valve 210 is installed on a section of the liquid ammonia return pipe 209. The output end of the liquid ammonia return pipe 209 is connected to the top pipe of the liquid ammonia storage tank 201. The liquid collection tank 208 can collect the liquefied low-temperature liquid ammonia and transport it back to the liquid ammonia storage tank 201 through the liquid ammonia return pipe 209 and the liquid ammonia expansion valve 210, achieving the effect of recycling. A brine output pipe 211 and a brine input pipe 212 are installed on one side of the evaporator 203. Pipe 211 and brine inlet pipe 212 can transport brine to evaporator 203 and exchange heat with liquid ammonia in evaporator 203, providing a cold source for brine circulation. Plate heat exchanger 213 is fixedly connected to the upper surface of base plate 1. Both brine outlet pipe 211 and brine inlet pipe 212 are connected to one side of plate heat exchanger 213. Beverage connection port assembly 214 is installed on one side of plate heat exchanger 213. Liquid ammonia replenishment port 215 is installed on the top of liquid ammonia storage tank 201. The beverage connection port assembly 214 can be used to easily transport beverage processing hot fluid to plate heat exchanger 213 and exchange heat with brine transported by brine outlet pipe 211 and brine inlet pipe 212, thereby achieving a cooling effect. The liquid ammonia replenishment port 215 can be used to easily replenish high-pressure liquid ammonia to liquid ammonia storage tank 201, ensuring the normal operation of dual-cycle refrigeration component 2.

[0034] Please see Figure 2 , Figure 3 and Figure 4 A brine stabilizing assembly 3 is installed on the brine input pipe 212. The brine stabilizing assembly 3 includes a buffer tank 301 installed on the brine input pipe 212 and a replenishment tank 306 fixedly connected to the upper surface of the base plate 1. A brine expansion valve 302 is installed on the input pipe of the buffer tank 301. The buffer tank 301 can balance pressure fluctuations and accommodate the volume expansion of brine caused by temperature changes. The brine expansion valve 302 can throttle and reduce pressure to prevent the brine in the evaporator 203 from freezing due to a sudden drop in pressure. It can also regulate the flow rate to match changes in the refrigeration load. The replenishment tank 306 can store brine independently of the dual-cycle refrigeration assembly 2, which facilitates replenishment. A brine pump 303 is installed on the output pipe of the buffer tank 301. The brine pump 303 can provide a stable flow rate, overcome pipeline resistance, and ensure continuous flow of brine.

[0035] Please see Figure 3 , Figure 4 and Figure 5 A level sensor 304 is installed inside the buffer tank 301, and a brine replenishment pipe 305 is installed on the top of the buffer tank 301. The level sensor 304 can detect the brine level inside the buffer tank 301, thus facilitating the subsequent replenishment of brine to the buffer tank 301 via the brine replenishment pipe 305, ensuring sufficient brine supply, which is beneficial to the operation of the dual-cycle refrigeration component 2. A replenishment pump 307 is fixedly connected to the bottom of the replenishment tank 306, and a replenishment pipe 308 is fixedly connected to the output end of the replenishment pump 307. The output end of the replenishment pipe 308 is connected to the input end of the brine replenishment pipe 305. The replenishment pump 307 can conveniently transport the brine in the replenishment tank 306 through the replenishment pipe 308, and the replenishment pipe 305... The brine in 8 can be delivered to the brine replenishment pipe 305 and then replenished to the buffer tank 301 through the brine replenishment pipe 305. A solenoid valve 309 is installed on the section of the replenishment pipe 308, and a brine replenishment port 310 is installed on the top of the replenishment tank 306. The solenoid valve 309 allows for convenient replenishment of brine to the buffer tank 301 through the replenishment pipe 308, and the brine replenishment port 310 allows for convenient replenishment of mixed brine to the replenishment tank 306, making it convenient to use. A controller 4 is fixedly connected to the upper surface of the base plate 1. The electrical components inside the dual-cycle refrigeration component 2 and the brine stabilization component 3 are all electrically connected to the controller 4. The controller 4 allows for convenient control of the electrical components in the device, simplifying operation.

[0036] In this embodiment, the beverage processing refrigeration system adopts a dual-cycle refrigeration component 2 design. Combining the synergistic effect of the liquid ammonia storage tank 201, evaporator 203, compressor 205, and condenser tower 207, it utilizes the latent heat of vaporization of liquid ammonia and the countercurrent heat exchange of brine to improve energy efficiency. The brine stabilization component 3 balances pressure fluctuations through the buffer tank 301, the brine expansion valve 302 prevents icing, the brine pump 303 maintains stable flow, and the replenishment tank 306 and solenoid valve 309, together with the liquid level sensor 304, enable timely replenishment, reducing the risk of corrosion. Furthermore, the liquid ammonia storage tank 201 and the plate heat exchanger 213 are not in contact, achieving physical isolation of the dual-cycle system and eliminating the risk of ammonia leakage. Therefore, the system has excellent overall environmental performance, high safety, and convenient maintenance.

[0037] The working principle of the above embodiment is as follows: High-pressure liquid ammonia in the liquid ammonia storage tank 201 is transported to the evaporator 203 through the liquid ammonia output pipe 202. The liquid ammonia absorbs heat from the brine in the evaporator 203 and vaporizes, forming low-temperature gaseous ammonia. The gaseous ammonia enters the compressor 205 through the first gaseous ammonia output pipe 204, and after compression, becomes a high-temperature, high-pressure gas. It is then transported to the condenser tower 207 through the second gaseous ammonia output pipe 206. In the condenser tower 207, the high-temperature gaseous ammonia releases heat, liquefies, and flows into the bottom collection tank 208. The liquid ammonia returns to the liquid ammonia storage tank 201 through the liquid ammonia return pipe 209. The liquid ammonia expansion valve 210 regulates the circulation flow rate by throttling and reducing pressure, completing the closed-loop circulation of liquid ammonia. The cooled low-temperature brine in the evaporator 203 is transported to the plate heat exchanger 213 through the brine output pipe 211, where it undergoes countercurrent heat exchange with the beverage processing hot fluid. Fluid is input through beverage connection port assembly 214. After absorbing heat, the high-temperature brine returns to evaporator 203 for recooling via brine input pipe 212. Brine stabilization assembly 3 balances pressure fluctuations through buffer tank 301. Brine expansion valve 302 prevents sudden pressure drops in evaporator 203 from causing freezing. Brine pump 303 maintains a stable flow rate of brine in the pipeline. Liquid level sensor 304 monitors the brine level in buffer tank 301 in real time. When the liquid level is insufficient, brine in replenishment tank 306 is automatically replenished to buffer tank 301 via replenishment pump 307 and replenishment pipe 308 through solenoid valve 309 to ensure sufficient brine quantity. Furthermore, the system uses dual-circulation physical isolation to prevent direct contact between liquid ammonia and brine, eliminating the risk of ammonia leakage. Liquid ammonia replenishment port 215 and brine replenishment port 310 support rapid replenishment. Plate heat exchanger 213 is made of corrosion-resistant material to extend system life.

[0038] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0039] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A beverage processing refrigeration system, comprising a base plate (1) and a dual-cycle refrigeration assembly (2), characterized in that: The dual-cycle refrigeration assembly (2) includes a liquid ammonia storage tank (201), an evaporator (203), a compressor (205), and a liquid collection tank (208) fixedly connected to the upper surface of the base plate (1). The bottom end of the liquid ammonia storage tank (201) is connected to a liquid ammonia output pipe (202). The output end of the liquid ammonia output pipe (202) is connected to a pipe at the bottom of the evaporator (203). The top pipe of the evaporator (203) is connected to a first gaseous ammonia output pipe (204). The output end of the first gaseous ammonia output pipe (204) is connected to the input end of the compressor (205). The output end of the compressor (205) is equipped with a second gaseous ammonia output pipe (206). The liquid collection tank (208) is equipped with a condenser tower (207). The output end of the second gaseous ammonia output pipe (206) is installed at the top inlet end of the condenser tower (207). The bottom of the liquid collection tank (208) is connected to a liquid ammonia return pipe (209). A liquid ammonia expansion valve (210) is installed on the pipe section of the liquid ammonia return pipe (209). The output end of the liquid ammonia return pipe (209) is connected to the top pipe of the liquid ammonia storage tank (201). A brine output pipe (211) and a brine input pipe (212) are installed on one side of the evaporator (203). A plate heat exchanger (213) is fixedly connected to the upper surface of the bottom plate (1). The brine output pipe (211) and the brine input pipe (212) are both connected to one side of the plate heat exchanger (213). A brine stabilizing component (3) is installed on the pipe section of the brine input pipe (212).

2. The beverage processing refrigeration system according to claim 1, characterized in that: A beverage connection port assembly (214) is installed on one side of the plate heat exchanger (213), and a liquid ammonia replenishment port (215) is installed on the top of the liquid ammonia storage tank (201).

3. The beverage processing refrigeration system according to claim 1, characterized in that: The controller (4) is fixedly connected to the upper surface of the base plate (1), and the electrical components inside the dual-cycle cooling component (2) and the brine stabilizing component (3) are all electrically connected to the controller (4).

4. The beverage processing refrigeration system according to claim 1, characterized in that: The brine stabilization assembly (3) includes a buffer tank (301) installed on the brine input pipe (212) section and a replenishment tank (306) fixedly connected to the upper surface of the base plate (1). A brine expansion valve (302) is installed on the input pipe of the buffer tank (301).

5. The beverage processing refrigeration system according to claim 4, characterized in that: A brine pump (303) is installed on the output pipe of the buffer tank (301).

6. The beverage processing refrigeration system according to claim 4, characterized in that: A liquid level sensor (304) is installed inside the buffer tank (301), and a brine replenishment pipe (305) is installed on the top of the buffer tank (301).

7. The beverage processing refrigeration system according to claim 4, characterized in that: The bottom end of the replenishment tank (306) is fixedly connected to a replenishment pump (307), the output end of the replenishment pump (307) is fixedly connected to a replenishment pipe (308), and the output end of the replenishment pipe (308) is connected to the input end of the saline replenishment pipe (305).

8. The beverage processing refrigeration system according to claim 7, characterized in that: A solenoid valve (309) is installed on the section of the replenishment pipe (308), and a saline replenishment port (310) is installed on the top of the replenishment tank (306).

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