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Plate evaporator type MVC heat pump evaporation system

A technology of plate evaporator and preheating tube, applied in evaporator accessories, evaporation, chemical instruments and methods, etc., can solve the problems of steam dependence, low efficiency, complex system, etc., and achieve convenient transportation and operation, low cost Low, compact system effect

Active Publication Date: 2015-06-17
TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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Problems solved by technology

[0006] However, the existing MVR evaporation system has many shortcomings such as low efficiency, complex system, and still has a certain dependence on steam, and its control method has certain problems. If the effective protection of the compressor cannot be realized, there is an urgent need for more Scientific, more efficient and energy-saving MVR heat pump evaporation system

Method used

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  • Plate evaporator type MVC heat pump evaporation system

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Embodiment Construction

[0036] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but should not be used to limit the scope of the present invention.

[0037] A plate evaporator type MVR heat pump evaporation system, such as figure 1 As shown, the system includes a feed preheating pipeline, an evaporation circulation pipeline, a compression pipeline, a condensation pipeline, a water spray pipeline, a drainage pipeline and a discharge pipeline; the feed preheating pipeline and The circulating evaporating pipeline is connected, the feed preheating pipeline is used to input the raw material liquid into the circulating evaporating pipeline, and preheat the raw material liquid to a set temperature, and the evaporating circulating pipeline is used to input The raw material liquid is subjected to circulating evaporation and concentration, and preliminary gas-liqui...

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Abstract

The invention discloses a plate evaporator type MVC heat pump evaporation system. The system comprises a feed preheating pipeline, an evaporation circulation pipeline, a compressing pipeline, a condensing pipeline, a water spray pipeline, a water discharge pipeline and a material discharging pipeline. The system is designed to recycle steam in order to realize energy saving, and can effectively protect a compressor and realize the automatic control adjust of the system. The evaporation system is mainly used for evaporation of chemical industry aqueous solutions, evaporation of salt forming industrial salt solutions, concentration of environmentally-friendly industrial wastewater, and other efficient evaporative concentration of clean liquids; and compared with traditional evaporation systems, the system disclosed in the invention has the obvious advantages of energy saving and great economic benefit.

Description

technical field [0001] The invention relates to a high-efficiency and energy-saving plate evaporator type mechanical vapor recompression (MVR) heat pump evaporation system in the field of industrial heat pump evaporation. Background technique [0002] With the gradual emphasis on energy conservation and emission reduction in my country, as the world's largest energy consumer, my country's energy conservation and emission reduction tasks are even more arduous. At present, my country's energy consumption is mainly concentrated in industry, and the energy consumption of evaporation operation units in chemical industry, environmental protection, medicine, food and other fields is very large. The traditional evaporation process mostly uses multi-effect evaporation technology, which occupies a large area and consumes a lot of energy; while the new MVR heat pump evaporation technology can completely recover secondary steam and get rid of the dependence on steam boilers. Because th...

Claims

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Application Information

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IPC IPC(8): B01D1/00B01D1/30
CPCY02P20/10
Inventor 刘军张化福杨鲁伟张振涛张冲
Owner TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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