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Metering and on-line control method of cement production water footprint

A control method and water production technology, applied in the direction of total factory control, total factory control, electrical program control, etc., to achieve the effects of increasing recycling rate, improving overall efficiency, and low investment and operating costs

Active Publication Date: 2013-07-31
BEIJING UNIV OF TECH
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  • Abstract
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  • Claims
  • Application Information

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At present, there are no documents and patents related to the measurement and on-line control method of the water footprint of cement production

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  • Metering and on-line control method of cement production water footprint
  • Metering and on-line control method of cement production water footprint

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Embodiment Construction

[0043] According to the accompanying drawings in the following figure 1 and figure 2 , and the embodiment further illustrates the invention.

[0044] like figure 1 and figure 2 As shown, the method for measuring and on-line control of the water footprint of cement production is characterized in that it is implemented in a system for measuring and on-line control of the water footprint of cement production controlled by a central control computer, followed by the following steps:

[0045] Step (1), constructing a metering and online control system subject to the water footprint of cement production, wherein, in addition to the central control computer, it also includes:

[0046] Fresh supplementary water flowmeter, installed at the well, measuring fresh supplementary water volume W s , the unit is "m 3 / h", the same below,

[0047] Circulating water flowmeter for cement production equipment cooling, installed at the cool water pool to measure circulating water volume W ...

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Abstract

The invention relates to a metering and on-line control method of a cement production water footprint and belongs to the field of water resource management of cement production. The metering and on-line control method is characterized in that the method is accomplished in a cement production water footprint metering and on-line control system controlled by a central control computer, and comprises the steps of measuring fresh water supplement quantity, circulating water quantity, discharged water quantity and effective water utilization quantity in real time under the control of the central control computer, accordingly working out comprehensive water consumption, water loss, and a circulating rate, an effective utilization rate and a loss rate of a water resource, sequentially judging whether the circulating rate of the water resource reaches a standard, whether the loss rate and the circulating rate of the water resource meet a set threshold simultaneously, and whether the effective utilization rate of the water resource is higher than 50%, and adopting failure removal measures corresponding to different stages till meeting a set object. The method facilitates boosting the green progress of the cement industry under the condition of saving the water resource, and facilitates saving the initial investment and operating cost.

Description

technical field [0001] The invention belongs to the field of water resource management of cement production, and in particular relates to a method for measuring and on-line control of the water footprint of cement production. Background technique [0002] The invention discloses a measurement and on-line control system for the water footprint of cement production, which belongs to the field of water resources management of cement production. [0003] "Water footprint" is the amount of water required by all products and services consumed by a country, a region or a person within a certain period of time. my country's water environment is facing various pressures such as water pollution, water resource shortage, and flood disasters. For a long time, my country's economic growth mode has been extensive, and enterprises have only pursued economic benefits, ignoring environmental and ecological benefits. In industrial development, water consumption is large and utilization rate...

Claims

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Application Information

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IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 崔素萍李琛孟宪策王宏涛龚先政王志宏
Owner BEIJING UNIV OF TECH
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