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Steam flow detection system of automatic sugar boiling control system

A technology for controlling system and steam flow, which is applied in the application of electromagnetic flowmeters to detect fluid flow, volume/mass flow generated by electromagnetic effects, sugar production, etc. It can solve the problems of expensive instruments, low temperature, and low detection limit.

Pending Publication Date: 2021-04-09
勐腊县勐捧糖业有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The steam consumed in the sugar cooking section of a sugar factory is low-temperature juice vapor, which has the characteristics of low temperature and slow flow rate; due to the low temperature of this type of juice vapor, the caliber of its delivery pipeline is often relatively large, such as a 30 cubic crystallization tank, its heating steam The diameter of the pipe is at least 400mm, so the steam flow detection instrument installed on such a large-diameter pipe is often expensive
In addition, the characteristics of low-temperature juice vapor and slow flow rate require high performance indicators such as sensitivity, precision, and repeatability of the detection instrument, and such instruments are often expensive.
However, the flow detection instrument for measuring low-velocity steam has a low detection limit, requires high sensitivity, and has a weak anti-interference ability, so it is often difficult to work stably in a harsh industrial site environment with high noise.
To sum up, in view of the disadvantages of high price and unstable operation of the current flow detection instrument for measuring the steam used for cooking sugar in sugar factories, this project provides a device for monitoring the condensate flow of the crystallization tank, which requires less investment and is easy to install and use. Convenient and accurate measurement, it can measure the steam consumption of the crystallization tank in the sugar cooking section of the sugar cane sugar factory in real time at different cooking stages

Method used

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  • Steam flow detection system of automatic sugar boiling control system
  • Steam flow detection system of automatic sugar boiling control system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The steam flow detection system of the automatic sugar cooking control system includes a sugar crystallization tank 2 and an air condensation water device connected through the condensation water drainage pipeline 1. The condensation water drainage pipeline 1 is a U-shaped pipeline, and the U-shaped pipeline An electromagnetic flowmeter 3 is installed on the vertical section, and the electromagnetic flowmeter 3 is connected with an external display and a control device. The electromagnetic flowmeter 3 is installed on the rising vertical pipe section of the air-condensation water drainage pipeline 1, and the diameter of the air-condensation water drainage pipeline 1 is 80mm. , the present invention installs an electromagnetic flowmeter 3 to detect the real-time flow of condensed water on the condensed water drainage pipeline 1 at the steam drum outlet of the crystallization tank. According to the on-site pipeline pressure conditions and the condensed water drainage flux r...

Embodiment 2

[0024] On the basis of Embodiment 1, the air condensation water device includes a condensed water collection box 4 and a cold water tank 5, one end of the condensed water collection box 4 is connected to the water outlet end of the air condensation water drainage pipeline 1, and the other end is provided with a water outlet pipe 6, The outlet pipe 6 is provided with a valve, the condensed water collection tank 1 is connected to the cold water tank 5 through the exhaust pipe 7, and one end of the cold water tank 5 is connected to the condensed water collection tank 4 through the return pipe 7, and the return pipe 7 is provided with a valve, and the cold water A cold water pipe 8 is arranged on the top of the tank 5, and a valve is arranged on the cold water pipe 8, and the steam coming out of the sugar crystallization tank 2 is used to heat the cold water in the condensed water collection tank 4 through heat exchange, and the remaining hot air is used to heat the cold water The ...

Embodiment 3

[0026] On the basis of Embodiment 2, a condensation plate 9 is provided at the inlet of the condensed water collecting tank 4 , and a vertical drain groove 10 is arranged on the condensing water collecting tank 9 to facilitate the condensed water entering the condensed water collecting tank 4 .

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Abstract

The invention relates to the technical field of sugar making processes, in particular to a steam flow detection system of an automatic sugar boiling control system. The steam flow detection system comprises a sugar boiling crystallization tank and a gas condensate water device which are connected through a gas condensate water draining pipeline, wherein the gas condensate water draining pipeline is a U-shaped pipeline, and an electromagnetic flowmeter is installed on the vertical section of the U-shaped pipeline and connected with an external displayer and a control device. According to the invention, an electromagnetic flowmeter is arranged on a steam condensate water discharge pipeline at a steam blowing outlet of a crystallizing tank to detect the real-time flow of steam condensate water. According to the field pipeline pressure condition, the 30-cubic-meter sugar boiling crystallization tank steam condensate water drainage flux requirement and the normal detection flow speed range of an electromagnetic flowmeter, a steam condensate water pipe with the caliber of 80 mm is selected as an electromagnetic flowmeter installation pipeline, the electromagnetic flowmeter is installed on an ascending pipe section of a U-shaped structure, and a controller, according to the field real-time working condition, calculates the flow of heating steam entering a steam drum of the sugar boiling crystallization tank through thermal equilibrium.

Description

technical field [0001] The invention relates to the technical field of separation and extraction, in particular to a steam flow detection system of an automatic sugar cooking control system. Background technique [0002] The steam consumed in the sugar cooking section of a sugar factory is low-temperature juice vapor, which has the characteristics of low temperature and slow flow rate; due to the low temperature of this type of juice vapor, the caliber of its delivery pipeline is often relatively large, such as a 30 cubic crystallization tank, its heating steam The diameter of the pipe is at least 400mm, so the steam flow detection instrument installed on such a large-diameter pipe is often expensive. In addition, the slow flow rate of low-temperature juice vapor requires high performance indicators such as sensitivity, accuracy, and repeatability of the detection instrument, and such instruments are often expensive. However, the flow detection instrument for measuring low-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C13B25/06G01F1/58
CPCC13B25/06G01F1/58
Inventor 黄振军杨万明
Owner 勐腊县勐捧糖业有限责任公司