Refrigeration system design for Chinese vermicelli cold storage

Refrigeration system design of Chinese vermicelli cold storage
Anhui Jinxue Refrigeration Equipment Co., Ltd.
Specializing in the construction of various cold storages
Cold storage manufacturers
Vermicelli cold storage is suitable for all seasons of the year regardless of time The design of the refrigeration system of the special cold storage that restricts the production of vermicelli is different from that of the general fresh-keeping freezer, refrigerated storage, and quick-frozen storage. The refrigeration and evaporation system in the vermicelli cold storage is suitable for exhaust pipes. The cold storage needs to be moisturized and should not use an air-cooled evaporation system (suspended ceilings cannot be used). Refrigeration compressor﹚To prevent wind blowing and cooling too fast, the fans will lose water and break. The refrigeration compressor should use a semi-hermetic low-temperature compressor and the compressor ratio should increase the cooling capacity.
The temperature inside the vermicelli cold storage. The finished vermicelli products are first placed in the vermicelli cold storage to pre-cool and then slowly cool down until they are completely frozen and there is a lot of ice residue inside. It is not advisable to cool down suddenly. The temperature in the cold storage drops too fast. If the temperature drops suddenly. The vermicelli will be cracked, soaked or broken by freezing, so the temperature in the cold storage should be controlled at ~. After being frozen in the vermicelli cold storage, the vermicelli is easy to disperse without drawing, increases the elasticity of the vermicelli, and is soft, tender and smooth. The strands are even, pure, bright, neat, flexible, white and transparent. When cooked, it is soft and refreshing. Thawing out the frozen vermicelli from the warehouse
Move the vermicelli out of the cold storage and allow it to thaw naturally.
Use an electric fan to blow off the ice slag and water droplets with the help of wind to assist in manual shaking and sorting, so that the vermicelli can be naturally separated one by one to prevent adhesion and drawing.
You can gently rub it with your hands to spread all the drawn vermicelli. If the temperature contrast is too great, place it in clean water to defrost and then rub it open.
Capacity design of vermicelli cold storage. The average annual temperature in our province and the southern provinces and regions is relatively high and the four seasons are distinct. Months are generally not suitable for the production of sweet potato vermicelli. The production period within a year is only about 10%. The annual output is calculated based on the daily production of vermicelli. The cold storage for frozen vermicelli is different from the general production cold storage. Materials cannot be stacked and need to be racked with powder rods before being put on the shelves in the cold storage. There must be appropriate intervals between racks. According to experience, each cold storage space can be used to store vermicelli. The design space is length*width*height. m * m * m excluding the space occupied by the top row pipes, the effective space is the capacity of the cold storage at one time to meet production requirements. The temperature of the vermicelli warehouse should be selected. The wet vermicelli should be kept at a temperature of ~ during the initial stage of freezing when it is put into the warehouse to allow it to fully age. This process requires ~ and then gradually cools down to about ~ ~ to maintain the temperature when leaving the warehouse. The storage temperature should be selected to ensure the freezing quality of the vermicelli. Design and calculation of the evaporator. The evaporator uses a seamless steel pipe with an inner diameter of 100 Å as the top row pipe. This can increase the effective space at the bottom of the cold storage to ensure that there is enough space for the fans. The heat transfer area of the exhaust pipe should be/*where
is the heat load borne by the evaporator/* is the refrigeration coefficient. When the ambient temperature is the storage temperature, ?
is the heat transfer coefficient of the evaporator. For the exhaust Advisable/According to the above design plan and calculation data, it is proved that this design can fully meet the production requirements of the annual sweet potato vermicelli processing plant, the vermicelli quality can also meet the expected requirements, and the investment is low, it is easy to obtain materials, easy to construct, and has low energy consumption.
The use and temperature of vermicelli cold storage. The finished vermicelli produced is first placed in the vermicelli cold storage to pre-cool and then slowly cooled down until it is completely frozen and there is a large amount of ice residue inside. It is not advisable to cool down suddenly. The temperature in the warehouse drops too fast. If the vermicelli is cooled down suddenly, It will be cracked, soaked or broken by freezing, so the temperature in the cold storage should be controlled at ~. After being frozen in the vermicelli cold storage, the vermicelli is easy to disperse without drawing, increases the elasticity of the vermicelli, and is soft, tender and smooth. The strands are even, pure, bright, neat, flexible, white and transparent. When cooked, it is soft and refreshing. Conventional vermicelli that does not need to be processed in cold storage can only produce vermicelli in the mid-winter season. The production of vermicelli is affected by the weather temperature. If the weather is too cold, the vermicelli will be overfrozen and easy to stick. If the weather is not frozen, the vermicelli will break easily. Yield Low quality.
Anhui Jinxue Refrigeration Equipment Co., Ltd.
Specializing in the construction of various cold storages
Cold storage manufacturers