Heat recovery shell and tube heat exchanger
With the increasingly urgent demand for energy saving and low carbon, more and more heat exchange equipment with waste heat and waste heat recovery is widely used. Refrigeration and air-conditioning industry is the focus of energy-saving areas, refrigeration, air-conditioning equipment for the condensation heat heat recovery for the preparation of domestic hot water or process hot water, is currently widely used as an energy-saving way.
Large refrigeration and air conditioning hosts often use shell and tube heat exchangers as theirCondenserThis type of refrigeration host needs to design and transform the condenser when heat recovery of condensation heat. Generally, there are two heat recovery methods: partial heat recovery and full heat recovery. Partial heat recovery is to recover only a part of the condensation heat, mainly the sensible heat in the compressor exhaust, which generally accounts for 10 ~ 30% of the total condensation heat. The partial heat recovery device can be an independent shell-and-tube heat exchanger with a similar structure to the shell-and-tube condenser and is arranged between the compressor exhaust port and the condenser air inlet. Part of the heat recovery device can also be built into the upper space in the condenser, which can save certain cost. Total heat recovery means that all condensation heat is recycled. If there is no sanitary requirement for recycled hot water, the original cooling water will be transported to the process occasions requiring hot water as hot water under heat recovery conditions, and the cooling tower will not work. Such total heat recovery does not require a separate heat recovery heat exchanger, and the condenser is a heat recovery device. If hot water has sanitary requirements, a separate heat exchanger for total heat recovery must be installed to isolate it from cooling water, such a total heat recovery device can also be arranged in the same shell as the condenser, and the water paths of the two heat exchangers are separated by the ribs in the end cover of the water chamber. When the total heat recovery device is in operation, the cooling water connected to the condenser The water pump and the cooling tower do not operate, and all the condensation heat is taken away by the hot water entering the heat recovery device.
Lengde company is a professional manufacturer of design and manufacture of shell and tube heat exchangers. The heat recovery heat exchanger designed and manufactured by our company has simple structure, high heat exchange efficiency and high reliability. It is widely used in various cold water and heat pump units. According to different heat recovery systems, different system solutions are provided to provide a full range of supporting services for host manufacturers and engineers.