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A comprehensive water-saving control method for urban water supply plants

A technology for urban water supply and control methods, applied in water supply devices, water supply devices, computer control and other directions, can solve the problems of lack of systematization and correlation, lack of key technologies for water saving, etc.

Inactive Publication Date: 2011-12-28
HARBIN INST OF TECH
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention provides a comprehensive water-saving control method for urban water supply plants to solve the problems of lack of system and relevance in the existing water-saving systems of urban water supply plants, and the lack of systematic theoretical research on key technologies for water conservation. Achieved by the following steps:

Method used

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  • A comprehensive water-saving control method for urban water supply plants
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  • A comprehensive water-saving control method for urban water supply plants

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specific Embodiment approach 1

[0034] Specific implementation mode one: a control method for comprehensive water saving in urban water supply plants, this implementation mode is realized by the following steps:

[0035] Step 1: Determine the water consumption rate of the process unit, evaluate the water consumption status of the water purification process and recycling treatment system, and determine whether the urban water supply plant has the ability to save water and tap the potential;

[0036] Step 2: Under the condition that the urban water supply plant has water-saving potential, determine the key links and key points of the recovery and treatment system to optimize water conservation, and implement the control technology to improve the water-saving capacity for the key links and key points; re-determine the urban water supply plant Water consumption rate, to achieve comprehensive water saving.

specific Embodiment approach 2

[0037] Specific embodiment two: This embodiment is a further description of the control method for comprehensive water conservation in a city water supply plant described in specific embodiment one. The calculation method of the water consumption rate described in step one is expressed by formula one:

[0038] Formula one:

[0039] The net production volume mentioned in the formula is based on the net production volume in the actual operation of the treatment system of the urban water supply plant; the self-use water volume refers to the self-use water volume obtained by subtracting the supernatant water volume from the sum of the sludge discharge water volume and backwash water volume.

[0040] The amount of sludge discharge in the personal water consumption mentioned in this embodiment refers to: during the operation of the sedimentation unit and the coagulation unit, mud will be accumulated at the bottom of the tank. In order not to affect the effluent water quality or hyd...

specific Embodiment approach 3

[0059] Specific embodiment three: This embodiment is a further description of the comprehensive water-saving control method of a city water supply plant described in the specific embodiment one, and the evaluation of the water consumption status of the water purification process and the recovery treatment system described in step one Specifically, it refers to the comparison between the actual water consumption rate of the urban water supply plant and the water consumption rate within the determined empirical water-saving range, to determine the current status of the urban water supply plant’s self-use water, and to evaluate the self-use water consumption and water conservation of the urban water supply plant’s treatment system. potential to be evaluated.

[0060] The evaluation standard for determining the empirical water-saving water consumption rate described in this embodiment is: 3% of the water consumption rate of the urban water supply plant treatment system is defined a...

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Abstract

A comprehensive water-saving control method for urban water supply plants, related to the field of water-saving technology, which solves the problems of lack of system and relevance in existing water-saving systems of urban water supply plants, and the lack of systematic and comprehensive research on key water-saving technologies The specific steps are as follows: Step 1: Determine the water consumption rate of the process unit, evaluate the water consumption status of the water purification process and recycling system, and determine whether the urban water supply plant has the ability to save water and tap the potential; Step 2: In the city Under the condition that the water supply plant has water-saving potential, determine the key links and key points in the optimization of water conservation in the recovery and treatment system, and implement the control technology to improve the water-saving capacity for the key links and key points; re-determine the water consumption rate of the urban water supply plant, Realize comprehensive water saving. The invention is widely used in the comprehensive water saving field of urban water supply plants.

Description

technical field [0001] The invention relates to a method for establishing a water-saving system of an urban water supply plant, and belongs to the technical field of water-saving in water plants. Background technique [0002] my country is a country that lacks water resources. With the economic development and the improvement of people's living standards, the water consumption is increasing, the contradiction between supply and demand is expanding day by day, and the problem of water conservation is the subject of various researches on water treatment. The self-water consumption of urban water supply plants generally accounts for about 5% to 8% of the total water supply, but the actual self-water consumption of most urban water supply plants in my country is relatively large, and the waste is serious, which has great water-saving potential. [0003] At present, the research work on water saving in urban water supply plants is mainly aimed at the safe reuse and treatment of p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B15/00E03B1/02
Inventor 徐勇鹏崔福义王文相姜金鑫
Owner HARBIN INST OF TECH
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