CN210892765U - Novel power plant circulating water system - Google Patents
Novel power plant circulating water system Download PDFInfo
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- CN210892765U CN210892765U CN201920897157.7U CN201920897157U CN210892765U CN 210892765 U CN210892765 U CN 210892765U CN 201920897157 U CN201920897157 U CN 201920897157U CN 210892765 U CN210892765 U CN 210892765U
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- water
- circulating water
- cooling tower
- condenser
- pump
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Abstract
A novel power plant circulating water system comprising: the system comprises a mechanical ventilation cooling tower, a water absorption pit, an open-air circulating water pump, a main plant and a condenser, wherein the mechanical ventilation cooling tower, the open-air circulating water pump, the main plant and the condenser are all of an overground structure, and the water absorption pit is positioned on the underground side of a water collecting pool of the cooling tower; the water replenishing pit is used for temporarily storing cooling water for the condenser, preventing water in the water absorbing pit from overflowing and replenishing low-temperature water for the condenser in time when the temperature of the water in the cooling tower is higher; the mechanical ventilation cooling tower is arranged on the ground, and the water absorption pit is arranged underground on one side of the ground water collecting tank, so that cooling water can be quickly enriched to meet the requirements of the condenser, and meanwhile, the excavation amount and the engineering amount are reduced, and the construction difficulty is reduced; the overground open-air type circulating water pump is used for replacing a traditional semi-underground type pump house structure, the load structure for lifting the water pump by the beam part of the pump house is convenient to overhaul without considering, the engineering difficulty is reduced, and the cost of the circulating water system for the power plant is saved.
Description
Technical Field
The utility model relates to a power plant circulating water system technical field specifically is a novel power plant circulating water system.
Background
At present, most of cooling tower water collecting ponds of power plants at home and abroad are arranged underground, and in order to ensure that the normal water level of the cooling tower water collecting ponds can submerge the top of a circulating water pump shell, a circulating water pump house pump pit needs to be excavated so as to reduce the elevation of the top of the circulating water pump shell and meet the requirement. Taking a certain domestic thermal power plant as an example, the pump pit of the circulating water pump house needs to be excavated by about 5.00m, so that the construction cost and the construction difficulty are increased to a great extent. The conventional arrangement of the circulating water system has several disadvantages as follows. Firstly, the traditional cooling tower water collecting tank is an underground water collecting tank, so that the excavation amount and the engineering amount are large, and the construction is difficult; secondly, the traditional circulating water pump house is of a semi-underground structure, a pump pit needs to be dug deeply, the upper structure of the pump house is of a reinforced concrete or brick structure, the whole engineering quantity of the pump house is large, and the construction is difficult; thirdly, considering circulating water pump weight is great, the circulating water pump room needs to set up fixed hoisting accessory and overhauls circulating water pump, like electronic single beam bridge crane, electronic two-beam bridge crane etc. so circulating water pump room superstructure need consider circulating water pump's load, this also is the factor that influences traditional circulating water system cost.
SUMMERY OF THE UTILITY MODEL
A novel power plant circulating water system comprising: the mechanical ventilation cooling tower comprises a mechanical ventilation cooling tower 1, a water suction pit 2, an open-air circulating water pump 3, a main plant 4, a condenser 5 and a condenser 5, wherein the condenser 5 is installed in the main plant of a power plant, a water outlet of the condenser 5 is connected with a water inlet of the upper side wall of the mechanical ventilation cooling tower 1 through a circulating water return pipe 61, the water suction pit 2 is arranged below the mechanical ventilation cooling tower 1, a water inlet of a circulating water pumping pipe 62 is arranged in the water suction pit 2, a water outlet of the circulating water pumping pipe 62 is connected with a water inlet of the circulating water pump 3, a water outlet of the circulating water pump 3 is connected with a water inlet of the condenser 5 through a circulating water supply pipe 63, the bottom surface of a water collecting tank at the bottom of the mechanical ventilation cooling tower 1 is flush with the ground height, the water suction pit 2 is arranged below the water outlet of the water collecting tank in the mechanical ventilation cooling tower 1, a, the circulating water pump water suction pipe 62 positioned on the inlet side of the circulating water pump 3 is provided with an electric butterfly valve, the circulating water supply pipe 63 positioned on the outlet side of the circulating water pump 3 is provided with a hydraulic control check butterfly valve, the circulating water supply pipe 63 penetrates through the ground of the main building 4 to be connected with the condenser 5, and the circulating water return pipe 61 penetrates through the ground of the main building 4 to be connected with the mechanical ventilation cooling tower 1.
The utility model relates to a novel power plant circulating water system will be mechanical draft cooling tower 1, circulating water pump 3 sets up subaerial, has saved the input cost of digging the stratum underground among the prior art on the one hand, and on the other hand need not to set up circulating water pump room, more need not to consider to set up the structure that crane, reinforcing water pump room bear the weight of lifting by crane at the upper beam portion, simplifies power plant circulating water system's construction cost greatly, reduces the construction degree of difficulty.
Preferably, the circulating water pumping pipe 62 of the novel power plant circulating water system is positioned at 1/3-1/2 of the height of the water suction pit 2 in the water suction pit 2.
The height of the circulating water pump suction pipe 62 in the water suction pit 2 is not too low, so that the water suction flow state of the circulating water pump 3 is stable, and the service life of the circulating water pump 3 is prolonged.
Preferably, the water absorption pit 2 of the circulating water system of the novel power plant is arranged on one side, close to the circulating water pump 3, of the water collecting tank at the bottom of the mechanical ventilation cooling tower 1.
The water sucking pit 2 is arranged on one side of the water collecting tank, so that the water part flowing downwards above the cooling tower falls into the water collecting tank and flows into the water sucking pit 2 from the bottom of the water collecting tank, the cooling water in the fast part flows to the water sucking pit 2 simultaneously to generate larger water flow splashing, and the cooling water can be quickly enriched to enable the water level in the water sucking pit 2 to be always at the height which can be reached by the circulating water pumping water pipe 62.
Preferably, novel power plant circulating water system, circulating water pump 3 are provided with the canopy for sunshade rain-sheltering, and wherein the canopy that the canopy can be used as sunshade rain-sheltering commonly used among the prior art, for example the canopy of the asbestos tile material that the parking area is used always or stainless steel material, can demolish the canopy rapidly after circulating water pump breaks down, utilize interim loop wheel machine to overhaul circulating water pump, simplify circulating water pump's maintenance process.
Description of the drawings:
the embodiments are further described with reference to the accompanying drawings, in which:
fig. 1 is a schematic connection diagram of a novel power plant circulating water system related to the utility model;
the specific structure corresponding to the number is as follows:
a mechanical ventilation cooling tower 1, a water absorption pit 2, a circulating water pump 3, a main plant 4, a condenser 5, a circulating water return pipe 61, a circulating water pumping water pipe 62, a filter 621, a circulating water supply pipe 63,
the following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed Description
Specific embodiment example 1:
a novel power plant circulating water system comprising: the mechanical ventilation cooling tower 1, a water suction pit 2, an open-air circulating water pump 3, a main plant 4, a condenser 5, wherein the condenser 5 is installed in the main plant of a power plant, a water outlet of the condenser 5 is connected with a water inlet of the upper side wall of the mechanical ventilation cooling tower 1 through a circulating water return pipe 61, the water suction pit 2 is arranged below a water collecting tank in the mechanical ventilation cooling tower 1, a water inlet of a circulating water pumping pipe 62 is arranged in the water suction pit 2, a water outlet of the circulating water pumping pipe 62 is connected with a water inlet of the circulating water pump 3, a water outlet of the circulating water pump 3 is connected with a water inlet of the condenser 5 through a circulating water supply pipe 63, wherein the bottom surface of the water collecting tank in the mechanical ventilation cooling tower 1 is flush with the ground height, a filter 621 is fixed at the end part of the circulating water pumping pipe 62, the circulating water pump 3 is fixed on the upper end surface of reinforced, and a circulating water supply pipe 63 positioned on the outlet side of the circulating water pump 3 is provided with a hydraulic control check butterfly valve, the circulating water supply pipe 63 penetrates through the ground of the main building 4 to be connected with the condenser 5, and a circulating water return pipe 61 penetrates through the ground of the main building 4 to be connected with the mechanical ventilation cooling tower 1.
Wherein, the height of the circulating water pump water suction pipe 62 in the water suction pit 2 is located at 1/3 or 1/2 of the height of the water suction pit 2, and the water suction pit 2 is arranged at one side of the water collecting tank at the bottom of the mechanical draft cooling tower 1, which is close to the circulating water pump 3.
Optionally, a rain shed is arranged at the circulating water pump 3, wherein the rain shed can be a common asbestos tile rain shed for shading sun and rain in the prior art.
The utility model relates to a novel power plant circulating water system sets up the mechanical draft cooling tower on ground, and set up the water absorption hole in the underground of ground catch basin one side, can enrich the cooling water fast in order to meet the needs of the condenser, reduce excavation volume and engineering volume simultaneously, reduce the construction difficulty; the overground open-air type circulating water pump is used for replacing a traditional semi-underground type pump house structure, the load structure for lifting the water pump by the beam part of the pump house is convenient to overhaul without considering, the engineering difficulty is reduced, and the cost of the circulating water system for the power plant is saved.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (4)
1. A novel power plant circulating water system comprising: the mechanical ventilation cooling tower, a water suction pit, an open-air circulating water pump, a main plant and a condenser, wherein the condenser is arranged in the main plant of a power plant, a water outlet of the condenser is connected with a water inlet of the side wall at the upper end of the mechanical ventilation cooling tower through a circulating water return pipe, the water suction pit is arranged below a water collecting pool in the mechanical ventilation cooling tower, a water inlet of a water suction pipe of the circulating water pump is arranged in the water suction pit, a water outlet of the water suction pipe of the circulating water pump is connected with a water inlet of the circulating water pump, a water outlet of the circulating water pump is connected with a water inlet of the condenser through a circulating water supply pipe, wherein the bottom surface of the water collecting pool of the mechanical ventilation cooling tower is level with the ground, a filter is fixed at the end part of the water suction pipe of the circulating water pump, the circulating water pump is fixed on the upper end surface, the circulating water supply pipe passes through the ground of the main plant and is connected with the condenser, and the circulating water return pipe passes through the ground of the main plant and is connected with the mechanical ventilation cooling tower.
2. A novel power plant circulating water system as claimed in claim 1, wherein: the height of the water suction pipe of the circulating water pump in the water suction pit is 1/3-1/2 of the height of the water suction pit.
3. A novel power plant circulating water system as claimed in claim 1, wherein: the water absorption pit is arranged at one side, close to the circulating water pump, of the water collection tank at the bottom of the mechanical ventilation cooling tower.
4. A novel power plant circulating water system as claimed in claim 1, wherein: the circulating water pump is provided with a rain shed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920897157.7U CN210892765U (en) | 2019-06-14 | 2019-06-14 | Novel power plant circulating water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920897157.7U CN210892765U (en) | 2019-06-14 | 2019-06-14 | Novel power plant circulating water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210892765U true CN210892765U (en) | 2020-06-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920897157.7U Expired - Fee Related CN210892765U (en) | 2019-06-14 | 2019-06-14 | Novel power plant circulating water system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210892765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115235177A (en) * | 2022-07-21 | 2022-10-25 | 上海康恒环境股份有限公司 | Cooling water circulation system and garbage power station |
-
2019
- 2019-06-14 CN CN201920897157.7U patent/CN210892765U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115235177A (en) * | 2022-07-21 | 2022-10-25 | 上海康恒环境股份有限公司 | Cooling water circulation system and garbage power station |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |