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Online monitored, prejudged and controlled medicine adding system of central air-conditioning water system and application thereof

The technology of a dosing system and a monitoring unit is applied in the field of online monitoring, pre-judgment and control dosing system and dosing.

Active Publication Date: 2014-07-09
SHANGHAI EMPEROR OF CLEANING HI TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the defects of hysteresis in online detection data in the prior art, the inability to accurately and timely reflect the water quality of the system, and further affect the dosage of medicaments, and provide a real-time On-line monitoring and pre-judgment control dosing system and dosing method for correcting errors of collected online data and making dosage as accurate as possible

Method used

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  • Online monitored, prejudged and controlled medicine adding system of central air-conditioning water system and application thereof
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  • Online monitored, prejudged and controlled medicine adding system of central air-conditioning water system and application thereof

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Embodiment Construction

[0064] The present invention is further illustrated below by means of examples, but the present invention is not limited to the scope of the examples. For the experimental methods not indicating specific conditions in the following examples, select according to conventional methods and conditions.

[0065] The invention provides an on-line monitoring and predictive control dosing system for circulating water. Through mathematical modeling of the system, important water quality parameters and parameters affecting the system's chemical concentration are input, and then the pre-judgment data revision calculation is performed based on the data obtained from online monitoring, so as to accurately control the chemical dosage.

[0066] For the convenience of the following description, the parameters involved are introduced first, as follows:

[0067] 1. System water volume (Qv) 2. System circulating water volume (Qh) 3. Design value of cooling tower inlet and outlet temperature diff...

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Abstract

The invention discloses an online monitored, prejudged and controlled medicine adding system of a central air-conditioning water system and an application of the medicine adding system. The medicine adding system comprises a water supplement and pollution discharge monitoring unit, a water inlet and outlet temperature monitoring unit, a medicine concentration monitoring unit, a pH value monitoring unit, a conductivity monitoring unit, a medicine adding unit, an automatic discharging unit, a command receiving unit and a control unit. According to the medicine adding system, the problems that the medicine concentration of circulating cooling water overshoots and greatly fluctuates when the medicine is added by using a traditional system are solved, the waste of the medicine is reduced, and the operating cost is lowered.

Description

technical field [0001] The invention relates to an on-line monitoring and pre-judgment control dosing system and a dosing method, in particular to an on-line monitoring and pre-judgment control dosing system and a dosing method for a central air-conditioning water system. Background technique [0002] The delay in water quality data collection of large-scale circulating cooling water systems (such as the circulating water system of central air-conditioning) is the main reason for the poor quality of circulating water and excessive use of chemicals. During the circulation process of cooling water in large-scale circulating water systems, due to the large amount of water retained and the long water cycle, it takes a long time for the chemical to completely mix into the entire water system, resulting in the lag of the collected water quality data and failing to reflect the actual dosage of the chemical. The influence of water quality makes the control system overdosing chemical...

Claims

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Application Information

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IPC IPC(8): F24F11/00C02F5/08
Inventor 王炜
Owner SHANGHAI EMPEROR OF CLEANING HI TECH
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