Reclaimed water chlorinating device of sewage treatment system

A sewage treatment system and reclaimed water technology, applied in the direction of sterilization/microdynamic water/sewage treatment, etc., can solve the problems of large consumption of sodium hypochlorite, large dosage of sodium hypochlorite, adverse effects of green plant growth, etc., to save money and avoid adverse effects effect of influence

Inactive Publication Date: 2015-11-18
天津泰达新水源科技开发有限公司
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Problems solved by technology

However, after a period of operation, it was found that due to the fluctuation of the user's water consumption, the water quality of the storage tank was different, and the long-term residence resulted in a large consumption of sodium hypochlorite, and at the same time, the total chlorine cont

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  • Reclaimed water chlorinating device of sewage treatment system

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Embodiment

[0011] See the accompanying drawings for details. This embodiment provides a reclaimed water chlorination device for a sewage treatment system, including a first-stage water outlet pump room, a water storage tank, and a reclaimed water workshop. The production pipeline of the reclaimed water workshop is connected to the first A chlorination metering pump, a second chlorination metering pump is added in the pump forebay of the primary outlet pump room, and the first and second chlorination metering pumps are connected with signal converters and PLC to realize automatic control of dosing amount. The first and second chlorination metering pumps use P056 electromagnetically driven diaphragm metering pumps. The dosing pipeline of the second chlorination metering pump directly leads to the lower position of the pump head of the suction well in the forebay of the pump. In order to ensure that the residual chlorine content in the effluent is stable and up to standard, the sodium hypoch...

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Abstract

The invention relates to a reclaimed water chlorinating device of a sewage treatment system, which comprises a primary water outlet pump room, a storage tank and a reclaimed water workshop. The device is characterized in that a pre-water inlet and storage tank production pipeline of the reclaimed water workshop is connected with a first chlorinating measuring pump; a second chlorinating measuring pump is additionally arranged in a pre-pump tank of the primary water outlet pump room; and the first and second chlorinating measuring pumps are connected with a signal transducer and a PLC (programmable logic controller), thereby implementing dosing quantity automatic control. Compared with the prior art, the device can ensure the pipe network tail water to stably reach the standard by adopting the two chlorinating processes, and also ensure the long water retention time; and the sodium hypochlorite is added for delayed use, and the water supply total chlorine content can not increase, thereby avoiding adverse effects on green plant growth. The sodium hypochlorite addition amount is 1 ton/day before the improvement and 1 ton/25 days after the improvement, thereby saving 39 tons per year, saving 667 yuan of sodium hypochlorite per ton and saving the cost by 26 thousand yuan per year.

Description

technical field [0001] The invention belongs to regenerated water treatment, in particular to a regenerated water chlorination device of a sewage treatment system. Background technique [0002] In the reclaimed water treatment program of the sewage treatment system, in order to ensure the microbial content index of the reclaimed water effluent, the reclaimed water system needs to be disinfected by adding sodium hypochlorite. At present, the one-time chlorination process of adding chlorine to the production pipeline before reclaimed water enters the storage tank is adopted. The dosage is controlled at about 17mg / L, the test result of residual chlorine in the effluent is about 0.5mg / L, and the test result of residual chlorine at the end of the pipe network is about 0.05mg / L,. One ton of sodium hypochlorite is used for about a week, and the water quality at the end of the pipe network basically meets the standard. However, after a period of operation, it was found that due t...

Claims

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Application Information

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IPC IPC(8): C02F1/50
Inventor 常希平陈伟潘文胜周古双
Owner 天津泰达新水源科技开发有限公司
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