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Low-pressure steam generating device

A low-pressure steam generation device technology, applied in the field of low-pressure steam generation devices, can solve the problem that the heating temperature of the reaction vessel is difficult to control accurately, and achieve the effects of high cost performance, industrial steam saving, and low power consumption

Inactive Publication Date: 2016-07-13
HIMILE MECHANICAL MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Specifically, the technical problem to be solved by the present invention is: to provide a low-pressure steam generating device to solve the technical problem that the heating temperature of the reaction vessel is difficult to accurately control

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0071] This embodiment is a specific embodiment of the low-pressure steam generating device.

[0072] A low-pressure steam generating device, comprising a heat exchanger core 1 and a shell 2, the heat exchanger core 1 has a first inlet 3 leading to a high-temperature medium and a first outlet 4 for discharging a condensing medium; the shell The body 2 surrounds the heat exchanger tube core 1, and the shell 2 is provided with a second inlet 5 and a low-pressure steam outlet 6 at the top of the shell. Medium (easily vaporized medium is the medium that can be evaporated to form low-pressure steam under the heating action of the heat exchanger tube core). The easy-to-vaporize medium is a liquid whose boiling point is lower than the temperature of high-temperature steam, including but not limited to water and ethanol. By passing high temperature into the heat exchanger tube core 1, the easy-to-vaporize medium in the shell 2 is heated, and the easy-to-vaporize medium will generate ...

Embodiment 2

[0084] This embodiment is a specific embodiment of the high-efficiency temperature control system. In the high-efficiency temperature control system, a low-pressure steam generator is used.

[0085] The high-efficiency temperature control system with the device comprises the above-mentioned low-pressure steam generating device and at least one reaction vessel 31, the reaction vessel 31 is provided with a jacket 32, and the jacket 32 ​​has a low-pressure steam inlet 33 and a condensate outlet 34, the low-pressure steam inlet 33 communicates with the low-pressure steam outlet 6 of the low-pressure steam generating device through a low-pressure steam delivery pipeline 35, and the low-pressure steam generated by the low-pressure steam generating device enters the jacket 32, and the The reaction vessel 31 is heated. This device has high heating efficiency and high cost performance. The low-temperature steam used as the heating medium of the reaction vessel has a heating efficienc...

Embodiment 3

[0090] This embodiment provides a temperature control method, the temperature control method is carried out by using the high-efficiency temperature control system as in Embodiment 2, and the low-pressure steam generated by the low-pressure steam generating device enters the jacket of the reaction vessel through the low-pressure steam delivery pipeline Inside, the temperature-controlled heating of the heating container is realized.

[0091] The method comprises the steps of:

[0092] (1) Open the vent valve 38 at the top of the liquid storage tank 12, close the drain valve 40, and simultaneously open the replenishment pump 16 and the circulation pump 13 to replenish the easy-to-vaporize medium in the liquid storage tank 12 until the liquid storage tank 12 and the liquid in the housing 2 The easily vaporized medium reaches the maximum liquid level;

[0093] (2) the second steam trap 19 of the reaction vessel, the intake valve 36 of the low-pressure steam delivery pipeline, the...

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Abstract

The invention discloses a low-pressure steam generating device which comprises a heat exchanger and a shell.The heat exchanger is provided with a first inlet for introducing a high-temperature medium and a first outlet for discharging a condensation medium.The shell surrounds the heat exchanger and is provided with a second inlet and a low-pressure steam outlet in the top of the shell.The second inlet is used for introducing a medium easy to vaporize.The low-pressure steam generating device is high in cost performance, steam temperature is precisely controlled, it is ensured that heating steam is in a low-pressure state, and safety is ensured.

Description

technical field [0001] The invention relates to the technical field of chemical temperature control, in particular to a low-pressure steam generating device. Background technique [0002] At present, in the fields of fine chemical industry and medicine, many low-temperature reactions (below 100°C) have very strict requirements on temperature control. Once the temperature is higher than the reaction temperature, it is easy to cause the reaction to intensify, ranging from waste of materials to explosions; If the temperature is low, the reaction rate will decrease and the by-products will increase, which will affect the production efficiency and product quality. [0003] Due to the large temperature fluctuation of industrial steam, the heating of these reactions is difficult to be completed by direct heating of industrial steam. Especially for the heating, distillation and concentration of heat-sensitive materials, it is impossible to directly use industrial steam for heating....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F22B1/08F22B3/02
CPCF22B1/08F22B3/02
Inventor 许倍强张慧芳郭广前徐兆展李志文
Owner HIMILE MECHANICAL MFG
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