CN214611717U - Automatic cooling water quality adjusting device for generator of thermal power plant - Google Patents
Automatic cooling water quality adjusting device for generator of thermal power plant Download PDFInfo
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- CN214611717U CN214611717U CN202022373349.3U CN202022373349U CN214611717U CN 214611717 U CN214611717 U CN 214611717U CN 202022373349 U CN202022373349 U CN 202022373349U CN 214611717 U CN214611717 U CN 214611717U
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Abstract
The utility model discloses a cooling water quality automatic regulating device of a generator of a thermal power plant, which comprises a low-temperature cooler, a water storage tank, a conductivity detector and a pH detector, wherein after cooling water for cooling the generator is sent into a cooling pipe by a second water pump, the low-temperature cooler refrigerates cooling liquid, so that the cooling effect of the cooling water on the generator is more obvious; the utility model utilizes the circulating water to cool the generator, thereby reducing the cooling cost; when the conductivity detector and the pH detector monitor that the conductivity or the pH value of the cooling water is abnormal, the deionized water in the ionic water tank is sent into the generator to cool the generator, and then enters the water storage tank and is finally discharged through the drain pipe provided with the second valve to flush and replace the water storage tank, so that the automatic adjustment of the quality of the cooling water of the generator is realized.
Description
Technical Field
The utility model relates to an automatic regulating apparatus specifically is a thermal power plant generator cooling water quality of water automatic regulating apparatus.
Background
The generator is characterized in that cold water in the generator is used as a cooling medium in a high electric field, the requirement on the water quality of the cold water is strict, the generator is clean and transparent, has no mechanical impurities, also has enough insulativity (namely extremely small electrical conductivity), does not scale, has no corrosivity on a generator copper wire and a system and the like, and the water quality of the cooling water is very important for ensuring the safe operation of generator set equipment. With the rapid development of the power industry and accidents caused by poor quality of the internal cooling water of the generators at home and abroad, the water quality control problem of the internal cooling water has attracted great attention.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a thermal power plant generator cooling water quality of water automatic regulating apparatus to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an automatic cooling water quality adjusting device for a generator of a thermal power plant comprises a generator, wherein a water inlet pipe and a water return pipe which are used for supplying cooling water to the generator are fixedly connected to the generator, a second water pump is installed on the water return pipe, the water return pipe is fixedly connected with a water inlet of a water storage tank through a cooling pipe, one end of the water inlet pipe is fixedly connected with a water outlet on the water storage tank, a conductivity detector and a pH detector are installed on one side, close to the generator, of the water inlet pipe, a third valve is installed on the water inlet pipe, one side, located on the pH detector, of the water inlet pipe is connected with a deionized water pipeline through a three-way pipe, the deionized water pipeline is communicated with the interior of the water inlet pipe, a first valve and a first water pump are arranged on the deionized water pipeline, the free end of the deionized water pipeline penetrates through a through hole formed in the deionized water tank and extends into the deionized water tank, the automatic water inlet device is characterized in that a water inlet fixedly connected with a water inlet pipe is formed in the deionized water tank, and an automatic control chamber is fixedly installed on the deionized water tank.
As a further aspect of the present invention: the free end fixedly connected with cooling tube's of wet return one end, the cooling tube sets up in the inside of cryocooler, the cooling tube submergence is in the coolant liquid in the cryocooler, the other end of cooling tube and the water inlet fixed connection of water storage box, set up on the water storage box be used for with drain pipe fixed connection's outlet, be provided with the second valve on the drain pipe.
As a further aspect of the present invention: the automatic control chamber is preset with an optimal conductivity value, an upper conductivity limit protection value and an upper pH limit protection value of the cooling water of the generator, and the conductivity detector, the pH detector, the first water pump, the first valve, the second water pump, the second valve, the third valve and the fourth valve are connected to the automatic control chamber in a system mode.
As a further aspect of the present invention: the coolant in the cryocooler may be water or ethanol.
As a further aspect of the present invention: the pipeline that installs the third valve on the inlet tube is parallelly connected to have a spare pipeline, install the fourth valve on the spare pipeline.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model has the advantages that after the cooling water for cooling the generator is sent into the cooling pipe by the second water pump, the low-temperature cooler refrigerates the cooling liquid, thereby reducing the temperature of the cooling water and leading the cooling effect of the cooling water on the generator to be more obvious;
2. the utility model utilizes the conductivity detector, the automatic control room, the third valve and the pH detector to realize the automatic adjustment of the quality of the cooling water of the generator;
3. and a standby pipeline is arranged, so that when the third valve fails or needs to be overhauled, the fourth valve is started, the device can normally operate, and the fault tolerance of the device is improved.
Drawings
Fig. 1 is a schematic structural diagram of an automatic cooling water quality adjusting device for a generator of a thermal power plant.
Fig. 2 is a schematic structural diagram of a low-temperature cooler and a water storage tank in the automatic cooling water quality adjusting device for the generator of the thermal power plant.
Fig. 3 is a schematic diagram of an electrical connection mode of the cooling water quality automatic adjusting device of the generator of the thermal power plant.
Shown in the figure: the device comprises a first water pump 1, a deionized water pipeline 2, a first valve 3, a deionized water tank 4, an automatic control room 5, a second water pump 6, a low-temperature cooler 7, a water storage tank 8, a second valve 9, a water inlet pipe 10, a third valve 11, a fourth valve 12, a standby pipeline 13, a generator 14, a conductivity detector 15, a pH detector 16, a water return pipe 17 and a cooling pipe 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, an automatic cooling water quality adjusting device for a generator of a thermal power plant includes a first water pump 1, a deionized water pipeline 2, a first valve 3, a deionized water tank 4, an automatic control room 5, a second water pump 6, a cryocooler 7, a water storage tank 8, a second valve 9, a water inlet pipe 10, a third valve 11, a fourth valve 12, a standby pipeline 13, a generator 14, a conductivity detector 15, a pH detector 16, a water return pipe 17, and a cooling pipe 18, wherein the generator 14 is fixedly connected with the water inlet pipe 10 and the water return pipe 17 for supplying cooling water to the generator 14, the water return pipe 17 is installed with the second water pump 6, the water return pipe 17 is fixedly connected with a water inlet of the water storage tank 8 through the cooling pipe 18, one end of the water inlet pipe 10 is fixedly connected with a water outlet of the water storage tank 8, one side of the water inlet pipe 10 close to the generator 14 is installed with the conductivity detector 15 and the pH detector 16, the water inlet pipe 10 is provided with a third valve 11, one side of the water inlet pipe 10, which is positioned on the pH detector 16, is connected with a deionized water pipeline 2 through a three-way pipe, the deionized water pipeline 2 is communicated with the inside of the water inlet pipe 10, the deionized water pipeline 2 is provided with a first valve 3 and a first water pump 1, the free end of the deionized water pipeline 2 penetrates through a through hole formed on the deionized water tank 4 and extends into the deionized water tank 4, the deionized water tank 4 is provided with a water inlet fixedly connected with the water inlet pipe, the deionized water tank 4 is fixedly provided with an automatic control chamber 5, the free end of the water return pipe 17 is fixedly connected with one end of a cooling pipe 18, the cooling pipe 18 is arranged inside the low-temperature cooler 7, the cooling pipe 18 is immersed in cooling liquid in the low-temperature cooler 7, and the other end of the cooling pipe 18 is fixedly connected with the water inlet of the water storage tank 8, the water storage tank 8 is provided with a water outlet fixedly connected with the water outlet pipe, the water outlet pipe is provided with a second valve 9, the automatic control room 5 is preset with an optimal conductivity value, an upper conductivity limit protection value and an upper pH limit protection value of cooling water of a generator 14, the conductivity detector 15, the pH detector 16, the first water pump 1, the first valve 3, the second water pump 6, the second valve 9, the third valve 11 and a fourth valve 12 are connected to the automatic control room 5 in a system mode, the cooling liquid in the cryocooler 7 can be water or ethanol, a pipeline of the third valve 11 is arranged on the water inlet pipe 10 and connected with a standby pipeline 13 in parallel, the standby pipeline 13 is provided with the fourth valve 12, the model of the cryocooler 7 is DLSB-100/-20 ℃ (100L), and a manufacturer is a company limited in Shanghai and more instruments, the model of the conductivity detector 15 is UniCond 2, the manufacturer is Mettler-Torledo International Inc., the model of the pH detector is JC-PH3000, and the manufacturer is Qingdao environmental protection group Inc.
The utility model discloses a theory of operation is:
the utility model has the advantages that after the cooling water for cooling the generator is sent into the cooling pipe 18 by the second water pump 6, the low-temperature cooler 7 refrigerates the cooling liquid, thereby reducing the temperature of the cooling water and leading the cooling effect of the cooling water on the generator 14 to be more obvious; after cooling water enters the water storage tank 8, the cooling water flows through the conductivity detector 15 and the pH detector 16 from the water inlet pipe 10, and then enters the generator 14 to cool the generator 14 again, because the generator 14 is easy to leak electricity, conduct electricity and the like, most of the cooling water for cooling the generator 14 is deionized water, and the cost is high, the utility model discloses utilize the circulating water to cool the generator 14, reduce the cost of cooling; when the conductivity detector 15 and the pH detector 16 monitor the abnormality of the conductivity or pH value of the cooling water, the automatic control chamber 5 automatically controls the third valve 11 to close, the low-temperature cooler 7 stops working, simultaneously, the first valve 3, the second valve 9 and the first water pump 1 are opened to replace the water in the water storage tank 8, firstly, the first water pump 1 sends the deionized water in the deionized water tank 4 into the generator 14 to cool the generator, the deionized water enters the water storage tank 8 through the water return pipe 17 and the cooling pipe 18, is finally discharged through the water discharge pipe provided with the second valve 9, after the water storage tank 8 is flushed and replaced for a period of time, the automatic control room 5 controls the third valve 11 to be opened, the second valve 9 to be closed and the first valve 3 to be closed, and the low-temperature cooler 7 is started to circularly cool the generator 14 again, so that the automatic adjustment of the quality of cooling water of the generator is realized; the spare pipeline 13 is arranged, so that when the third valve 11 breaks down or needs to be overhauled, the fourth valve 12 is started, the device can run normally, and the fault tolerance of the device is improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (4)
1. The utility model provides a thermal power plant generator cooling water quality of water automatic regulating apparatus, includes generator (14), its characterized in that: the water-cooling power generation device is characterized in that a water inlet pipe (10) and a water return pipe (17) which are used for supplying cooling water to the power generator (14) are fixedly connected to the power generator (14), a second water pump (6) is installed on the water return pipe (17), the water return pipe (17) is fixedly connected with a water inlet of a water storage tank (8) through a cooling pipe (18), one end of the water inlet pipe (10) is fixedly connected with a water outlet of the water storage tank (8), a conductivity detector (15) and a pH detector (16) are installed on one side, close to the power generator (14), of the water inlet pipe (10), a third valve (11) is installed on the water inlet pipe (10), one side, located on the pH detector (16), of the water inlet pipe (10) is connected with a deionized water pipeline (2) through a three-way pipe, the deionized water pipeline (2) is communicated with the inside of the water inlet pipe (10), a first valve (3) and a first water pump (1) are arranged on the deionized water pipeline (2), the free end of the deionized water pipeline (2) penetrates through a through hole formed in the deionized water tank (4) and extends into the deionized water tank (4), a water inlet fixedly connected with a water inlet pipe is formed in the deionized water tank (4), and an automatic control room (5) is fixedly mounted on the deionized water tank (4).
2. The thermal power plant generator cooling water quality automatic regulating apparatus of claim 1, characterized in that: the one end of the free end fixedly connected with cooling tube (18) of wet return (17), cooling tube (18) set up in the inside of cryocooler (7), cooling tube (18) submergence is in the coolant liquid in cryocooler (7), the other end of cooling tube (18) and the water inlet fixed connection of water storage box (8), offer on water storage box (8) be used for with drain pipe fixed connection's outlet, be provided with second valve (9) on the drain pipe.
3. The thermal power plant generator cooling water quality automatic regulating apparatus of claim 1, characterized in that: the automatic control room (5) is preset with an optimal conductivity value, an upper conductivity limit protection value and an upper pH limit protection value of cooling water of the generator (14), and the conductivity detector (15), the pH detector (16), the first water pump (1), the first valve (3), the second water pump (6), the second valve (9), the third valve (11) and the fourth valve (12) are connected to the automatic control room (5) in a system mode.
4. The thermal power plant generator cooling water quality automatic regulating apparatus of claim 1, characterized in that: the pipeline that installs third valve (11) on inlet tube (10) is parallelly connected to have spare pipeline (13), install fourth valve (12) on spare pipeline (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022373349.3U CN214611717U (en) | 2020-10-21 | 2020-10-21 | Automatic cooling water quality adjusting device for generator of thermal power plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022373349.3U CN214611717U (en) | 2020-10-21 | 2020-10-21 | Automatic cooling water quality adjusting device for generator of thermal power plant |
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| CN214611717U true CN214611717U (en) | 2021-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114455806A (en) * | 2022-02-11 | 2022-05-10 | 芜湖东旭光电科技有限公司 | Cooling system |
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2020
- 2020-10-21 CN CN202022373349.3U patent/CN214611717U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114455806A (en) * | 2022-02-11 | 2022-05-10 | 芜湖东旭光电科技有限公司 | Cooling system |
| CN114455806B (en) * | 2022-02-11 | 2023-11-17 | 芜湖东旭光电科技有限公司 | Cooling system |
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