Large-scale Project of Double-spiral Blast Freezer in Southeast Asia
2022-10-31
Guangzhou Bingquan designed a set of large-scale blast freezer engineering projects for Southeast Asian customers - a set of double-spiral blast freezers, a 600-square-meter cold storage warehouse, and a blast freezer.
The customer has established a production base in southern China, mainly processing, producing and selling pangasius, including raw materials, deep-processed products and by-products, while supplying other products such as Qingjiang fish, black fish, and perch. The entire production and processing has strict process standards and quality requirements. It is an enterprise that combines quality and strength.
The customer's processing plan is 45 tons per day, but the demands for the two projects are different.
This project has a large amount of quick-freezing, and it is necessary to reduce the electricity consumption of quick-freezing per ton of goods by 40% under the condition of ensuring the daily use demand, and put forward clear requirements for the energy saving of equipment.
Customer Pain Point 1: The project has a large amount of quick-freezing, and it is necessary to reduce the electricity consumption of quick-freezing per ton of goods by 40% while ensuring the daily use demand.
CBFI solution--using flooded bucket pump system, suitable for large-scale integrated refrigeration systems
The barrel pump liquid supply is a refrigeration system that uses the mechanical action of the pump to deliver low-temperature refrigerant liquid to the evaporator. The throttled low-temperature refrigerant liquid first enters the fluorine barrel with a certain liquid storage volume and a certain gas-liquid separation volume, and then transports the low-temperature liquid several times the evaporation amount to the evaporators in each warehouse. Part of the liquid is vaporized by heat absorption in the evaporator, and the rest of the liquid is returned with the vapor through the return pipe. After the gas-liquid separation, the vapor is sucked away by the refrigeration compressor, and the separated liquid and the new supplementary liquid equivalent to the evaporation are transported to the evaporator for recirculation.
The advantages of the ice spring flooded barrel pump system:
1. The compressors are designed in parallel, and the number of compressors to be turned on is automatically selected according to the number of cold storages and the cooling capacity required by the cold storage. At the same time, through the valve design and control, the compressors are mutually backup, which increases the reliability of the system operation.
2. The evaporator of the flooded system has high evaporative heat exchange efficiency. For the evaporator with the same evaporation area, the cooling effect of the barrel pump liquid supply is 25%~30% higher than that of the direct expansion liquid supply;
3. The flooded system uses a fluorine pump to supply liquid, which can overcome the loss of part of the resistance in the system and realize long-distance liquid supply.
4. The use of integrated and innovative oil separation, cooling and oil return technology ensures that the cooling capacity of the equipment will not be attenuated for a long time, and that the oil will not run to the low pressure system.
Pain point 2: The customer's products need to be produced in an extremely low-speed freezing environment, the equipment is required to be clean and hygienic to meet the requirements of food safety production, and the production space is limited.
CBFI Guangzhou bingquan solution - using double-screw quick freezer.
The internal temperature of the double-screw quick-freezer is stably maintained at -35 ℃, and the quick-freezing effect is very good, which is suitable for various fish products of customers. It occupies a small area, adopts a multi-layer spiral structure, and has a large amount of freezing. Its structural design is suitable for assembly line production, and it is easier to combine with other supporting equipment at the same height of import and export. The end of the double helix is made of full food grade stainless steel, which meets the hygienic requirements, easy to clean, corrosion resistance and long life.
Customer Pain Point 3: The customer said that the chiller equipment of their production base in the United States has the problem of frequent frosting, which not only consumes energy but also leads to insufficient cooling capacity in the cold storage.
Guangzhou bingquan CBFI Solutions
We CBFI adopts hot air defrosting, high pressure exhaust heating, high heat source quality, high defrosting efficiency, clean defrosting, little impact on storage temperature fluctuations, and no additional energy consumption; our flooded system will be based on the system temperature. Different regions, set the barrel pump skid for medium, high and low temperature, and the barrel pump skid for passage and high temperature not only as a cooling source, but also as a drain bucket for defrosting the low temperature system, so that the system can be stable even in the state of defrosting. run.
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