Refrigeration and heating temperature control system with high exothermic heat for reactor
A technology of temperature control system and reaction kettle, applied in heating and cooling combination, refrigerator, refrigeration components, etc., can solve problems such as excessive fluctuation, affecting product quality, poor temperature control accuracy, etc., achieving compact structure, operation and Easy-to-use effects
Active Publication Date: 2016-02-03
WUXI GUANYA REFRIGERATION TECH
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Problems solved by technology
[0005] Temperature control method: Generally, the outlet temperature of the control system is used. Because the heat transfer device such as the reactor has a large lag in heat transfer, the lag between the outlet temperature of the control system and the temperature to be controlled by the actual target is too large, and the temperature control accuracy is often poor, and the fluctuation is too large. , affecting product quality
Method used
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Embodiment Construction
[0025] The specific implementation manner of the present invention will be described below in conjunction with the accompanying drawings.
[0026] Such as figure 1 As shown, the reaction kettle of the present embodiment uses a cooling heating temperature control system with high exothermic heat, including a reaction kettle 15, and one end of the reaction kettle 15 is connected with a heating pipe 14, an electric proportional regulating valve 13, and a fourth pipeline 11 in sequence. A cold storage tank 12, an evaporative heat exchanger 10, the output end of the evaporative heat exchanger 10 is sequentially connected to the first circulating pump 5, the first check valve 3, the expansion tank 2, and the exhaust valve 1 through the first pipeline 4, The exhaust valve 1 is connected to the other end of the reaction kettle 15 through the fifth pipeline 16; the two ends of the evaporation heat exchanger 10 are connected to the refrigerator, and the structure of the refrigerator is:...
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A refrigeration heating temperature control system with high heat release for a reactor, comprising a reactor, one end of the reactor is sequentially connected with a heating pipe, an electric proportional regulating valve, a first cold storage tank, an evaporative heat exchange tank through a fourth pipeline The output end of the evaporation heat exchanger is connected to the first circulating pump, the first check valve, the expansion tank, and the exhaust valve in sequence through the first pipeline, and the exhaust valve is connected to the reaction kettle through the fifth pipeline The other end of the evaporative heat exchanger; both ends of the evaporative heat exchanger are connected to a refrigerator, and the structure of the refrigerator is: one end of the evaporative heat exchanger is sequentially connected in series with a gas-liquid separator, a compressor, and an oil Separator, condenser, dry filter, second cold storage tank, electromagnetic valve, expansion valve, the outer end of the expansion valve is connected to the other end of the evaporation heat exchanger through the eighth pipeline; located between the electromagnetic valve and the second The cold storage tanks are connected to a third pipeline through a second pipeline, and an electronic expansion valve is installed on the second pipeline. Work reliability is good.
Description
technical field [0001] The invention relates to the technical field of temperature control devices, in particular to a cooling and heating temperature control system for a reaction kettle with high heat release. Background technique [0002] Chemical synthesis reactions are often accompanied by endothermic and exothermic reactions, often due to large heat release, large heat absorption, and large feedback lag of the reactor itself, resulting in poor temperature control accuracy or out of control, resulting in final product quality or production accidents. [0003] The temperature control device in the prior art usually adopts refrigeration compressor technology and often cannot directly cool down from high temperature. When it is used to cool down at a temperature higher than 55 degrees, the compressor is often protected or damaged. [0004] In addition, the temperature is lowered from a high temperature of 250 degrees to normal temperature through cooling water or cold air,...
Claims
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IPC IPC(8): F25B29/00F25B41/04F25B41/06F25B49/02F25B41/20F25B41/31
CPCY02B30/70
Inventor 颜厥枝
Owner WUXI GUANYA REFRIGERATION TECH