MVR heat concentration circulation evaporation system

An evaporation system and evaporator technology, applied in the field of MVR distillation concentration and evaporation concentration, can solve the problems of high evaporation temperature, low utilization rate of heat energy, and a large amount of cooling water, so as to improve the enthalpy value, improve the service life, and realize the recycling utilization. Effect

Pending Publication Date: 2019-01-11
CHUTIAN HUATONG PHARM EQUIP CO LTD
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Problems solved by technology

Multi-stage evaporation, that is, the secondary steam generated by the upper stage is used as the heat source of the next stage. Its disadvantages are mainly high evaporation temperature, the secondary steam of the last effect is not used, the utilization rate of heat energy is low, and a large amount of cooling water is required; TVR, that is,

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  • MVR heat concentration circulation evaporation system

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[0027] Example 1

[0028] according to figure 1 As shown, the MVR thermal concentration cycle evaporation system of the present invention is mainly composed of an evaporator 1, a centrifugal vapor compressor 2, a separation tank 3, a heater 4, a buffer tank 5, a PID regulating valve 6, a centrifugal pump 7, and two Secondary steam condensate heat exchanger 8, industrial steam condensate heat exchanger 9, trap 10, plate heat exchanger 11, safety valve 12, separated liquid discharge port A, concentrated liquid discharge port B, raw material liquid inlet C, Secondary steam condensate water discharge port D, non-condensable gas discharge port E, industrial steam inlet F, industrial steam condensate water discharge port G;

[0029] Among them, the evaporator 1 is a vertical evaporator, the upper tube box of the evaporator is a tubular heat exchanger, the upper part of the lower tube box is a spiral separator, and the bottom of the lower tube box is a U-tube heat exchanger; a centrifuga...

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Abstract

The invention provides an MVR heat concentration circulation evaporation system. An evaporator, a separation tank and a centrifugal steam compressor are connected by pipes to form a circulation evaporation loop. A separated liquid produced by in the separation tank is connected to a separated liquid discharge port through a drain valve. The bottom of the evaporator is provided with a heater for providing a supplying heat source for the evaporator. The discharge port at the bottom of the evaporator is connected to a concentrated liquid discharge port through a buffer tank and a centrifugal pumpand discharges the concentrated liquid in a buffer tank. According to the single-stage mechanical vapor re-evaporation principle, through the MVR evaporation technology, the system utilizes internalwaste heat as a heat source to preheat the raw material liquid. Through the spiral and wire mesh separation technology, the quality of secondary steam is ensured. Through the centrifugal steam compressor, the enthalpy of the secondary steam is improved. The system realizes system energy recycling.

Description

technical field [0001] The invention belongs to the technical field of MVR distillation and concentration, and relates to an MVR thermal concentration cycle evaporation system, which is especially suitable for the evaporation and concentration fields of medicine, food, biochemical industry and the like. Background technique [0002] At present, as energy prices continue to rise, enterprises generally face the problem of increasing operating costs. It has become a common goal for enterprises to promote the upgrading and transformation of traditional manufacturing processes, improve energy utilization, and reduce operating costs. [0003] At present, energy-saving evaporation systems on the market mainly use multi-stage evaporation, TVR, MVR and other processes. Multi-stage evaporation, that is, the secondary steam generated by the upper stage is used as the heat source of the next stage. Its disadvantages are mainly high evaporation temperature, the secondary steam of the las...

Claims

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Application Information

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IPC IPC(8): B01D1/28B01D1/30
CPCB01D1/2803B01D1/30
Inventor 常季石建华崔宝亮薛永
Owner CHUTIAN HUATONG PHARM EQUIP CO LTD
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