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An automatic control system and method for condenser inlet water temperature

An automatic control system and water inlet temperature technology, applied in the field of heat exchange, can solve problems such as difficulty in raising circulating water temperature, crystallization of materials, etc., and achieve the effects of less steam consumption, energy saving, and simple operation

Active Publication Date: 2019-10-25
江苏长海化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the circulating water temperature is too low, it is difficult for the system to increase the circulating water temperature, and it is easy to cause material crystallization

Method used

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  • An automatic control system and method for condenser inlet water temperature

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Comparison scheme
Effect test

Embodiment 1

[0029] Such as figure 1 As shown, an automatic control system for the inlet water temperature of the condenser includes a condenser 9 , an expansion tank 8 , a cooler 6 and a warm water circulation pump 3 . The cooler 6 includes a second water inlet pipe and a second water outlet pipe 16, the lower side of the cooler 6 is connected with a self-circulating water supply main pipe 1, and the upper side is connected with a self-circulating water return main pipe 7; the expansion tank 8 includes a third water inlet pipe 17. The top of the expansion tank 8 is provided with a third water outlet pipe 18; the condenser 9 includes a first water inlet pipe 14 and a first water outlet pipe 15, and the condenser 9 is also provided with a hot material inlet pipe 10 and a cold material outlet pipe 11. The material inlet pipe 10 and the first water outlet pipe 15 are located on the upper side of the condenser 9 , and the cold material outlet pipe 11 and the first water inlet pipe 14 are locat...

Embodiment 2

[0041] Such as figure 1As shown, an automatic control system for the inlet water temperature of the condenser includes a condenser 9 , an expansion tank 8 , a cooler 6 and a warm water circulation pump 3 . The cooler 6 includes a second water inlet pipe and a second water outlet pipe 16, the lower side of the cooler 6 is connected with a self-circulating water supply main pipe 1, and the upper side is connected with a self-circulating water return main pipe 7; the expansion tank 8 includes a third water inlet pipe 17. The top of the expansion tank 8 is provided with a third water outlet pipe 18; the condenser 9 includes a first water inlet pipe 14 and a first water outlet pipe 15, and the condenser 9 is also provided with a hot material inlet pipe 10 and a cold material outlet pipe 11. The material inlet pipe 10 and the first water outlet pipe 15 are located on the upper side of the condenser 9 , and the cold material outlet pipe 11 and the first water inlet pipe 14 are locate...

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Abstract

The invention provides an automatic control system and method for water inflow temperature of a condenser. The system comprises the condenser, an expansion tank, a cooler and a warm water circulating pump; the condenser comprises a first water inlet pipe and a first water outlet pipe; the cooler comprises a second water inlet pipe and a second water outlet pipe; the expansion tank comprises a third water inlet pipe; the water outflow end of the warm water circulating pump is connected with a normally-open valve and a normally-closed valve in parallel; the water outflow end of the normally-closed valve is connected with the second water inlet pipe; after being converged with the water outflow end of the normally-open valve, the second water outlet pipe is connected with the first water inlet pipe; the first water outlet pipe is connected with the third water inlet pipe; and the first water inlet pipe is provided with a temperature indication controller. The method includes the steps that water is injected into the expansion tank, the temperature indication controller controls the water temperature and injects the water into the condenser, and warm water flows out of the condenser and enters the expansion tank. The system is good in leakproofness, automatic control over the water inflow temperature can be achieved, the using amount of steam is small, energy is saved, and the labor intensity of workers is lowered.

Description

technical field [0001] The invention belongs to the technical field of heat exchange and relates to a condenser, in particular to an automatic control system and method for the water inlet temperature of the condenser. Background technique [0002] The condenser is a component of the refrigeration system, which is a type of heat exchanger and is widely used. For example, power plants use many condensers to condense the steam discharged from the turbine, condensers are used in refrigeration plants to condense refrigeration vapors such as ammonia and freon, and condensers are used in the petrochemical industry to condense hydrocarbons and other chemical vapors . [0003] In the chemical industry, a condenser is often used to condense the material. The condensing medium is circulating water, but the temperature of the circulating water at room temperature is 20-25°C. If the temperature is too low, it is easy to crystallize the material. The cooling temperature usually adopts ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28B11/00
CPCF28B11/00
Inventor 杨盛超
Owner 江苏长海化工有限公司
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