CN210873866U - Fire water system combined with generator set cooling tower - Google Patents
Fire water system combined with generator set cooling tower Download PDFInfo
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- CN210873866U CN210873866U CN201921681240.7U CN201921681240U CN210873866U CN 210873866 U CN210873866 U CN 210873866U CN 201921681240 U CN201921681240 U CN 201921681240U CN 210873866 U CN210873866 U CN 210873866U
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Abstract
The utility model discloses a fire water system that combines generating set cooling tower, including cooling tower and high-order water tank, be connected with the inlet channel on the cooling tower, be connected with the outlet channel on the high-order water tank, be connected with the moisturizing pipeline between cooling tower and the high-order water tank, be provided with the automatic water replenishing pump on the moisturizing pipeline, the automatic water replenishing pump drive medium flows to the high-order water tank from the cooling tower; and a fire-fighting water pipeline is also arranged between the cooling tower and the high-level water tank, a fire-fighting water pump and a pressure stabilizing pump are connected in series on the fire-fighting water pipeline, a fire-fighting water pump driving medium flows from the cooling tower to the high-level water tank, a pressure stabilizing pump driving medium flows from the high-level water tank to the cooling tower, and the fire-fighting water pipeline between the fire-fighting water pump and the pressure stabilizing pump is connected with a fire-fighting system for water supply. Has the advantages of safety, stability and low cost.
Description
Technical Field
The utility model relates to a power station technical field, concretely relates to fire water system in power station.
Background
The construction of the power plant is generally characterized by large penetrating space, scattered construction and the like due to the requirement of the production process. And moreover, a plurality of electric and oil devices are used, various types of cables are laid with light, and the site is also in an environment with much dust, electromagnetic interference and damp and hot for a long time. The fire-fighting requirement is extremely high. Existing power plants are equipped with their own fire protection systems, and fire protection water pumps are also located throughout the plant. The fire pump is generally supplied with water from a special fire pool, and the fire pool is replenished with tap water or river and lake water to ensure the absolute reliability of the fire-fighting system. However, the working condition of the fire-fighting system is few, and the daily maintenance and supply of the fire-fighting water pool consume a large amount of resources, so that the benefit of the power plant is reduced.
Therefore, how to improve the existing fire fighting water system to overcome the above problems is a problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pair of safety and stability, fire water system that combines generating set cooling tower with low costs.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a fire water system combined with a generator set cooling tower comprises a cooling tower and a high-level water tank, wherein a water inlet pipeline is connected to the cooling tower, a water outlet pipeline is connected to the high-level water tank, a water supplementing pipeline is connected between the cooling tower and the high-level water tank, an automatic water supplementing pump is arranged on the water supplementing pipeline, and a driving medium of the automatic water supplementing pump flows to the high-level water tank from the cooling tower;
and a fire-fighting water pipeline is also arranged between the cooling tower and the high-level water tank, a fire-fighting water pump and a pressure stabilizing pump are connected in series on the fire-fighting water pipeline, a fire-fighting water pump driving medium flows from the cooling tower to the high-level water tank, a pressure stabilizing pump driving medium flows from the high-level water tank to the cooling tower, and the fire-fighting water pipeline between the fire-fighting water pump and the pressure stabilizing pump is connected with a fire-fighting system for water supply.
As an improvement, the water inlet pipeline comprises a tap water inlet pipe and a river water inlet pipe which are connected in parallel.
Preferably, the fire-fighting water pumps are connected in parallel, and the pressure stabilizing pumps are connected in parallel. As the design of double insurance, guarantee that at least one fire pump and steady voltage pump can normally work, improve the reliability of fire water system.
Compared with the prior art, the utility model has the advantages of it is following:
1. the cooling tower is provided with a double water inlet channel of tap water and river water, so that the reliability of a water source is ensured.
2. The fire-fighting water source and the circulating water source share the water source (namely, water is stored in the cooling tower), and the water source is required to be supplemented all the time due to the consumption of the circulating water, so that the water source stored in the cooling tower is always running water, and the water quality is better.
3. Especially, in winter, the temperature is below zero, circulating water is heated and flows after passing through cooling equipment, so that the water temperature of the whole cooling tower is increased, the situations that a water source is frozen and a system pipeline valve is damaged due to low-temperature freezing do not exist in the fire-fighting water system, and the reliability of the fire-fighting water system is effectively ensured.
4. The fire-fighting water system adopts full-automatic control, and concretely comprises the following steps: (1) the automatic water replenishing pump can automatically replenish water according to the water level of the high-level water tank; (2) the stabilizing pump can be continuously started and stopped according to the pressure of the fire-fighting water pipeline, and the water supply pressure of the fire-fighting water pipeline is kept; (3) the fire pump can automatically start according to the flow speed and the pressure of the fire water pipeline; thereby ensuring the reliability of the fire-fighting water system.
5. The cooling tower and the high-level water tank share a water source, the number of monitoring personnel and inspection personnel is reduced, and labor cost and construction cost are saved.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of the present invention;
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.
As shown in fig. 1, for the utility model discloses a preferred embodiment includes cooling tower 1 and high flush tank 2, is connected with water intake pipe 11 on the cooling tower 1, is connected with outlet pipe 21 on the high flush tank 2, is connected with moisturizing pipeline 3 between cooling tower 1 and the high flush tank 2, is provided with automatic water replenishing pump 4 on the moisturizing pipeline 3, and automatic water replenishing pump 4 driving medium flows to high flush tank 2 from cooling tower 1. Still be provided with fire-fighting water pipeline 5 between cooling tower 1 and high flush tank 2, it has fire-fighting water pump 6 and steady voltage pump 7 to establish ties on the fire-fighting water pipeline 5, and 6 drive medium of fire-fighting water pump flow direction high flush tank 2 from cooling tower 1, and steady voltage pump 7 drive medium flows to cooling tower 1 from high flush tank 2, and fire-fighting water pipeline 5 between 6 and the steady voltage pump 7 of fire-fighting water is connected the fire extinguishing system and is supplied water.
Wherein, cooling tower 1 itself is through circulation pipeline 100 connection generating set cooling device 200, is provided with circulating water pump 300 on the circulation pipeline and controls for cool down to the generating set. This embodiment is equivalent to the fire water pond that is regarded as fire water system with the cooling tower, has improved fire water system's stability and reliability on the one hand, and on the other hand also greatly reduced construction cost.
In this embodiment, the water inlet pipeline 11 includes a tap water inlet pipe 111 and a river water inlet pipe 112 connected in parallel. The fire-fighting water pumps 6 are connected in parallel, and the pressure stabilizing pumps 7 are connected in parallel.
In this embodiment, the water storage capacity of the cooling tower is 3000m3(ii) a The water storage capacity of the high-level water tank is 18m3(ii) a The flow of the automatic water replenishing pump is 100m3H, the lift is 80 meters; the flow rate of the fire pump is 60L/S, and the rated pressure is 1 MPa; the flow rate of the constant pressure pump is 5m3(S), the rated outlet pressure is 0.6 MPa.
The working principle is as follows: the cooling tower of the power plant introduces cooling water into the tower, and the cooling water continuously circulates through a circulating pipeline to cool a generator set, and water in the cooling tower is heated to generate steam which is discharged outwards through the top to keep the cooling tower at a certain water temperature. The water in the cooling tower is a water source for filtering impurities through a filter screen to achieve a good heat transfer effect. After the water source of the fire water system introduces the water of the cooling tower, the water temperature and the water quality of the fire water system and the cooling tower are synchronous, and the reliability of the fire water system is effectively improved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a fire water system who combines generating set cooling tower which characterized in that: the device comprises a cooling tower and a high-level water tank, wherein a water inlet pipeline is connected to the cooling tower, a water outlet pipeline is connected to the high-level water tank, a water supplementing pipeline is connected between the cooling tower and the high-level water tank, an automatic water supplementing pump is arranged on the water supplementing pipeline, and a driving medium of the automatic water supplementing pump flows to the high-level water tank from the cooling tower;
and a fire-fighting water pipeline is also arranged between the cooling tower and the high-level water tank, a fire-fighting water pump and a pressure stabilizing pump are connected in series on the fire-fighting water pipeline, a fire-fighting water pump driving medium flows from the cooling tower to the high-level water tank, a pressure stabilizing pump driving medium flows from the high-level water tank to the cooling tower, and the fire-fighting water pipeline between the fire-fighting water pump and the pressure stabilizing pump is connected with a fire-fighting system for water supply.
2. A fire water system incorporating a genset cooling tower as claimed in claim 1 wherein: the water inlet pipeline comprises a tap water inlet pipe and a river water inlet pipe which are connected in parallel.
3. A fire water system incorporating a genset cooling tower as claimed in claim 1 wherein: the fire-fighting water pumps are connected in parallel, and the pressure stabilizing pumps are connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921681240.7U CN210873866U (en) | 2019-10-09 | 2019-10-09 | Fire water system combined with generator set cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921681240.7U CN210873866U (en) | 2019-10-09 | 2019-10-09 | Fire water system combined with generator set cooling tower |
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| Publication Number | Publication Date |
|---|---|
| CN210873866U true CN210873866U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921681240.7U Active CN210873866U (en) | 2019-10-09 | 2019-10-09 | Fire water system combined with generator set cooling tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114432631A (en) * | 2022-01-11 | 2022-05-06 | 世源科技工程有限公司 | Automatic water spraying fire extinguishing system and fire extinguishing method for cooling tower |
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2019
- 2019-10-09 CN CN201921681240.7U patent/CN210873866U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114432631A (en) * | 2022-01-11 | 2022-05-06 | 世源科技工程有限公司 | Automatic water spraying fire extinguishing system and fire extinguishing method for cooling tower |
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