Evaporating concentration crystallization system and heat exchange method thereof
A crystallization system, evaporation and concentration technology, applied in evaporation, separation methods, evaporator accessories, etc., can solve the problems of large material resistance, easy fouling of forced circulation pumps, and increased energy consumption
Pending Publication Date: 2018-10-19
江山力凡蒸发器科技有限公司
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Problems solved by technology
In the heat exchange process of the existing evaporative concentration crystallization system, a single heater with a relatively large pipe diameter is used for heat exchange, so it is necessary to be equipped with a forced circulation pump of the corresponding diameter. Even if a large forced circulation pump is equipped, the forced circulation The caliber of the circulating pump cannot be compared with the caliber of the heater, and since the caliber of the heater is much larger than that of the forced circulation pump, the flow of the material is subject to greater resistance, which reduces the flow performance of the material, thus It is easy to foul in the forced circulation pump, and the equipped large forced circulation pump improves energy consumption
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[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0031] Such as Figure 1-Figure 3 As shown, the present invention discloses an evaporation concentration crystallization system, which is sequentially connected with a feed channel, a primary preheater 5, a secondary preheater 6 and a heat exchange system from the feed direction. In a specific embodiment of the present invention , the heat exchange system includes an evaporator 1, a primary heater 2, a secondary heater 3 and a forced circulation pump 4, and the pri...
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The invention relates to an evaporating concentration crystallization system. A feeding channel, a primary preheater, a secondary preheater and a heat exchange system are sequentially connected in a feeding direction, wherein the heat exchange system comprises an evaporator, a primary heater, a secondary heater and a forced circulation pump; the primary heater, the forced circulation pump and thesecondary heater are sequentially connected in series to form a loop; a discharge port of the secondary preheater is connected with a first feed port of the primary heater; a second feed port of the primary heater is connected with the evaporator; a discharge port of the secondary heater is connected with the evaporator; the connection part between the discharge port of the secondary heater and the evaporator is higher than the connection part between the feed ports of the primary heater and the evaporator; and the pipe diameter of the primary heater and the pipe diameter of the secondary heater are matched with an inlet of the forced circulation pump respectively. The invention provides an evaporating concentration crystallization system with good material heat exchange effect, good material flow performance and energy saving.
Description
technical field [0001] The invention relates to an evaporation concentration crystallization system and a heat exchange method thereof. Background technique [0002] Evaporation, concentration and crystallization systems are widely used in the treatment of evaporation concentrates and waste liquids of water or organic solvent solutions in industries such as medicine, food, chemical industry and light industry. However, in the heat exchange process of the existing evaporation concentration crystallization system, a single heater with a relatively large pipe diameter is used for heat exchange, so it needs to be equipped with a forced circulation pump with a corresponding diameter. Even if a large forced circulation pump is equipped, the forced circulation The caliber of the circulating pump cannot be compared with the caliber of the heater, and since the caliber of the heater is much larger than that of the forced circulation pump, the flow of the material is subject to greate...
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IPC IPC(8): B01D1/00B01D1/30
CPCB01D1/00B01D1/0011B01D1/0094B01D1/30B01D1/305
Inventor 姜新明
Owner 江山力凡蒸发器科技有限公司