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Low temperature high-efficient energy-saving evaporation process

A high-efficiency, energy-saving and technological technology, which is applied in the direction of evaporation, general water supply saving, chemical instruments and methods, etc., can solve the problems of exhaust gas emission, low energy consumption, pollution of the atmospheric environment, etc., to improve the vacuum degree of pumping, increase the evaporation intensity, Energy Saving Effect

Inactive Publication Date: 2009-06-03
林晓山
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  • Summary
  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

Natural evaporation has no energy consumption, low efficiency, and occupies a lot of land; heating and atmospheric pressure evaporation consumes high energy and low efficiency; heating and decompression vacuum evaporation has low energy consumption, high efficiency, but large investment, etc.
The heat energy of heating and evaporation must burn crude oil and coal, generate waste gas emissions, and pollute the atmospheric environment. At the same time, it can also achieve the purpose of energy saving and emission reduction, which is not in line with the orientation of promoting modern technology

Method used

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  • Low temperature high-efficient energy-saving evaporation process

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Embodiment Construction

[0015] The technology of the present invention can be implemented, mainly using advanced equipment, but the equipment used in the process is the general standard equipment at home and abroad, only according to the nature of the material to be processed, the production scale, and the requirements of the process parameters, and according to the specifications and models, the process technology can be realized. advanced nature.

[0016] (1) Heat pump compression

[0017] Heat pump - compressor selection

[0018] The heat pump compresses low thermal energy into high thermal energy and is the main equipment for increasing energy. According to the nature of materials, production scale, required heating and cooling capacity and working pressure ≤ 3MPa, it is generally better to choose a slide compressor.

[0019] Using R22 refrigerant as the carrier, the sliding compressor is driven by the motor, and the R22 refrigerant gas with a suction temperature of ≤30°C and a pressure of 0.3-0...

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Abstract

The invention relates to a low temperature high-efficient energy-saving evaporation process, comprising the following process steps successively: heat pump compression, condensing evaporation, water jet condensation and evaporative cooling. The evaporation process utilizes low heat energy which is compressed and improved by a heat pump as a heat source for decompression vacuum evaporation; the heat energy is improved by 5 times. Simultaneously, the cooling capacity of the heat pump is used for lowering the temperature of cooling water of a water jet condenser, improving the vacuum degree of the vacuum evaporation, increasing the evaporation strength, improving the evaporation efficiency and reducing the used amount of the cooling water. Meanwhile, matching equipment investment of a heating system is reduced, and the investment is saved by one fourth. Therefore, the low temperature high-efficient energy-saving evaporation process can achieve the advanced techniques of energy saving and high efficiency, low cost, little investment, pollution-free, and the like. The process is applied to salt industry, sugar industry, seawater desalination, chemical and food industries, etc.

Description

technical field [0001] The invention relates to a low-temperature high-efficiency energy-saving evaporation process. Background technique [0002] The separation, concentration, crystallization and purification of substances are all inseparable from evaporation. However, there are many types of evaporation processes, which can be divided into natural evaporation, heating atmospheric pressure evaporation, heating and decompression evaporation, vacuum evaporation, deep freezing concentration and so on. Natural evaporation has no energy consumption, low efficiency, and occupies a lot of land; heating and atmospheric pressure evaporation consumes high energy and low efficiency; heating and decompression vacuum evaporation has low energy consumption, high efficiency, but large investment and other characteristics. The heat energy of heating and evaporation must burn crude oil and coal, generate waste gas emissions, and pollute the atmospheric environment. At the same time, it ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D1/00
CPCY02A20/124
Inventor 林万湘林晓山
Owner 林晓山
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