Self-starting and stopping method of washing of rubber ball of condenser based on DCS

A condenser, self-start and stop technology, applied in the field of cooling water, can solve the problem of unable to meet the remote monitoring of the condenser, unable to directly monitor the cleaning effect of rubber balls, etc.

Inactive Publication Date: 2018-11-20
中山嘉明电力有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems in the prior art that the rubber ball cleaning device needs to be manually started and stopped, which cannot satisfy the remote monitoring of the condenser and cannot directly monitor the cleaning effect of the rubber ball, the present invention provides a DCS-based condenser rubber ball cleaning Auto start and stop method

Method used

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  • Self-starting and stopping method of washing of rubber ball of condenser based on DCS
  • Self-starting and stopping method of washing of rubber ball of condenser based on DCS
  • Self-starting and stopping method of washing of rubber ball of condenser based on DCS

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0092] A DCS-based self-starting and stopping method for condenser rubber ball cleaning, comprising the following steps:

[0093] (1) Preset the cleaning coefficient μ of the water chamber on the side of condenser A in DCS a and the preset cleaning coefficient μ of the water chamber on the B side of the condenser b ;

[0094] (2) Collect the working condition data of the condenser, including: high-pressure superheated steam flow q1, medium-pressure superheated steam flow q2, low-pressure superheated steam flow q3, condenser pressure p1, condenser circulating water A side inlet water temperature ta1, Condenser circulating water A side outlet temperature ta2, condenser circulating water B side inlet temperature tb1 and condenser circulating water B side outlet temperature tb2 data;

[0095] (3) Using the condenser working condition data collected in step (2), calculate the actual cleaning coefficient μ of the water chamber on the side A of the condenser circulating water throu...

Embodiment 2

[0167] A DCS-based self-starting and stopping method for condenser rubber ball cleaning, comprising the following steps:

[0168] (1) Preset the cleaning coefficient μ of the water chamber on the side of condenser A in DCS a and the preset cleaning coefficient μ of the water chamber on the B side of the condenser b ;

[0169] (2) Collect the working condition data of the condenser, including: high-pressure superheated steam flow q1, medium-pressure superheated steam flow q2, low-pressure superheated steam flow q3, condenser pressure p1, condenser circulating water A side inlet water temperature ta1, Condenser circulating water A side outlet temperature ta2, condenser circulating water B side inlet temperature tb1 and condenser circulating water B side outlet temperature tb2 data;

[0170] (3) Using the condenser working condition data collected in step (2), calculate the actual cleaning coefficient μ of the water chamber on the side A of the condenser circulating water throu...

Embodiment 3

[0178] A DCS-based self-starting and stopping method for condenser rubber ball cleaning, comprising the following steps:

[0179] (1) Preset the cleaning coefficient μ of the water chamber on the side of condenser A in DCS a and the preset cleaning coefficient μ of the water chamber on the B side of the condenser b ;

[0180] (2) When the condenser needs to run stably with load for more than 10 minutes and / or the load fluctuation of the unit is less than 5MW, collect the working condition data of the condenser, including: high-pressure superheated steam flow q1, medium-pressure superheated steam flow q2, low-pressure superheated steam flow q3 , condenser pressure p1, condenser circulating water A side inlet water temperature ta1, condenser circulating water A side outlet temperature ta2, condenser circulating water B side inlet temperature tb1 and condenser circulating water B side outlet water temperature tb2 data;

[0181] (3) Using the condenser working condition data co...

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Abstract

The invention provides a self-starting and stopping method of washing of a rubber ball of a condenser based on a DCS. The method includes the steps that the condenser circulating water cleaning coefficient is preset in the DCS, the condenser working condition data is collected, and by using the collected condenser working condition data, and the actual cleaning coefficient of the condenser circulating water side is calculated through the DCS configuration; and the preset cleaning coefficient Mu0 is compared with the actual cleaning coefficient Mu, and the control signal is sent to start / or stop a washing system of the rubber ball. Through the DCS control, the remote start and stop of the washing system of the rubber ball of A and B sides of the condenser circulating water from an existingsystem flow, the investment is low, the construction condition is easy to realize, and the information such as the cooling water flow, flow rate, pressure, and temperature of a condenser chamber can be mastered in real time.

Description

technical field [0001] The invention belongs to the technical field of cooling water, and in particular relates to a DCS-based self-starting and stopping method for cleaning rubber balls of a condenser. Background technique [0002] Condenser is a large-scale heat exchange equipment used in electric power, pharmaceutical, chemical and other industries. Its heat exchange performance directly affects the utilization rate of energy, which is related to the energy saving and emission reduction of the factory. Because the condensers used in the industrial field are usually water-cooled, the natural water directly taken from rivers and lakes is not clean, and the heat exchange is accompanied by chemical reactions, resulting in the accumulation of some dirt on the inner wall of the copper tube that is not conducive to heat transfer, making the condenser The heat transfer capacity of the heat exchange surface is greatly reduced, which in turn reduces the efficiency of the steam turb...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28G1/12
Inventor 薛志敏李海波潘志明乐增孟熊波罗以勇秦光明梁卓斌闫海波
Owner 中山嘉明电力有限公司
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