Slightly alkaline water treatment system
A technology of water treatment system and cooling system, applied in water/sewage treatment, natural water treatment, non-polluted water treatment, etc., can solve the problems of corrosiveness and weak acidity of cooling water
Pending Publication Date: 2020-10-23
上海源盛机械电气制造有限公司
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
[0003] In order to solve the above technical problems, the present invention provides a slightly alkaline water treatment system to solve the problem that the cooling water in the existing generator cooling system is weakly acidic and corrosive
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Embodiment Construction
[0018] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but should not be used to limit the scope of the present invention.
[0019] In the description of the present invention, unless otherwise specified, the meaning of "plurality" is two or more; the orientation or positional relationship indicated by the terms "upstream", "downstream" and so on is based on the orientation or position shown in the drawings. The positional relationship is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. In addition, the terms "first", "second", "third", etc. are used for d...
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Abstract
The invention discloses a slightly alkaline water treatment system. The system comprises an ion exchanger, an EDI device and an alkali adding device, after cold water enters a main water inlet, the cold water sequentially flows through the ion exchanger and the EDI device through a pipeline and flows back into a generator cooling system from a main water outlet, and the alkali adding device can add alkali liquor into water flowing out of the EDI device and is used for adjusting the PH value of the water flowing out of the EDI device. Metal ions like copper ions in cold water in the generator cooling system are removed through the ion exchanger, cold water is made into pure water after passing through the EDI device, and then the alkali adding device adds alkali liquor into water flowing out of the EDI device, so that the PH value of the out-flowing cold water is increased, and the corrosion of the water to a generator cooling system is reduced.
Description
technical field [0001] The invention belongs to the technical field of water treatment, and more specifically relates to a slightly alkaline water treatment system. Background technique [0002] The copper stator coils of turbogenerators are cooled by water through hollow wires, which is the most traditional method that has been used for a long time. In the power plant, the cooling water for the generator comes from the demineralized water or / and condensed water of the power plant. The cooling water can achieve low conductivity, but its PH value can only barely reach about 7, and most of the time it is lower than 7, so that the hollow copper wire of the generator stator is always in the area with a high weak acid corrosion rate. The system is somewhat corrosive. The water quality control of the generator cooling system is related to the operation safety of the unit. Corrosion will produce sediment to block the hollow wire rod of the generator and affect the normal operatio...
Claims
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IPC IPC(8): C02F9/06C02F103/02C02F101/20
CPCC02F9/00C02F1/42C02F1/4695C02F1/66C02F1/001C02F1/441C02F2103/023C02F2101/20C02F2209/06C02F2303/14
Inventor 陆金元邹金菁吴建华
Owner 上海源盛机械电气制造有限公司