CN204880494U - Hydroelectric power plant's heat sink in summer - Google Patents

Abstract

<b>The utility model relates to the technical field of cooling devices for hydropower plants. It is a summer cooling device for hydropower plants. It includes water pumps, water towers, main pipes and air coolers; The pipes are connected, and the main pipe is provided with at least one first outlet, and each first outlet is correspondingly connected with a cooling fan; There are four-sided boxes with openings on the back, and the finned heat dissipation pipes are bent and fixed in the box. The utility model has a reasonable and compact structure and is easy to use. It guides the cooling water of the hydropower plant unit to the air cooler, and effectively performs heat exchange between the cooling water in the tube and the high-temperature gas in the plant through the cooperation of the bent finned heat dissipation tube, the motor and the fan blades. To achieve the purpose of cooling in the plant, it has the advantages of simple structure, </b><b>low transformation cost, </b><b>less maintenance times</b><b>, reasonable and full use of the existing resources of the hydropower plant </b><b>. </b>

Description

Cooling device for hydropower plant in summer

technical field

The utility model relates to the technical field of a cooling device for a hydropower plant, in particular to a cooling device for a hydropower plant in summer.

Background technique

In order to make full use of the water head in hydropower plants, the hydropower plants are generally built on lower ground than the surrounding areas. In the hot summer, the air in the factory building is not circulated, coupled with the heat emitted by the equipment, the temperature of the factory building is high (outdoor temperature 37 degrees Celsius, indoor temperature 35.2 degrees Celsius), and the on-duty personnel are on duty and patrolling in the high-temperature factory building for a long time, which is easy to cause Irritability, physical discomfort, and inability to concentrate on work. In order to ensure the health of the staff, cooling treatment is required. If a 3-horsepower air conditioner is installed in the factory building, due to the large space of the factory building, the sealing effect of the doors and windows is not good, the cooling effect is not obvious, and the air conditioner is expensive and the maintenance cost is high.

Contents of the invention

The utility model provides a summer cooling device for a hydropower plant, which overcomes the above-mentioned deficiencies in the prior art, and can effectively solve the problems of insignificant cooling effect, expensive facilities and high maintenance costs.

The technical scheme of the utility model is realized through the following measures: a summer cooling device for a hydropower plant, including a water pump, a water tower, a main pipeline and a cooling fan; the water pump is connected to the water tower through a pipeline, and the water tower is connected to the main pipeline through a pipeline There is at least one first outlet on the main pipeline, and each first outlet is connected to a cooling fan; There is a four-sided box with openings, and the finned heat dissipation pipe is bent and fixed in the box. The two ends of the finned heat dissipation pipe are respectively connected with the water inlet pipe and the water outlet pipe. Fan blades that can rotate with the output shaft of the motor and allow air to flow from the rear of the box to the front are installed on the top, and the water inlet pipe communicates with the corresponding first outlet through a pipeline.

Below is the further optimization or/and improvement to above-mentioned utility model technical scheme:

The plane where the axes of the above-mentioned bent finned heat dissipation pipes are located may be parallel to the opening surface of the box body.

The front ends of the left and right side walls of the above-mentioned box body can be longitudinally equipped with shutters that can be opened and closed.

The lower end of the box body may be fixed with at least three non-collinear legs.

The above-mentioned main pipeline may be provided with a backup inlet, and the backup inlet is connected with a pressure pipe through the pipeline.

The main pipeline may be provided with at least one second outlet, and the second outlet is connected to a corresponding unit cooling device through a pipeline.

The above-mentioned outlet pipe can be connected with a greening device through a pipeline.

On-off valves can be arranged on the pipelines between the water pump and the water tower, between the water tower and the main pipeline, and between the first outlet and the cooling fan.

The utility model has a reasonable and compact structure and is easy to use. It guides the cooling water of the hydropower plant unit to the air cooler, and effectively performs heat exchange between the cooling water in the tube and the high-temperature gas in the plant through the cooperation of the bent finned heat dissipation tube, the motor and the fan blades. To achieve the purpose of cooling the plant, it has the advantages of simple structure, low transformation cost, less maintenance times, and reasonable and full use of the existing resources of the hydropower plant.

Description of drawings

Accompanying drawing 1 is the schematic flow chart of the preferred embodiment of the utility model.

Accompanying drawing 2 is the front structural diagram of the intercooler fan of the utility model.

Accompanying drawing 3 is the right view structural diagram of the air cooler in accompanying drawing 2.

The codes in the drawings are: 1 is the water pump, 2 is the water tower, 3 is the main pipeline, 4 is the first outlet, 5 is the box, 6 is the finned heat pipe, 7 is the water inlet pipe, 8 is the water outlet pipe, 9 is a motor, 10 is a fan blade, 11 is a louver, 12 is a leg, 13 is a pressure pipe, 14 is a second outlet, 15 is a unit cooling device, 16 is a greening device, 17 is a switch valve, 18 is a spare inlet, 19 is a deep well.

Detailed ways

The utility model is not limited by the following examples, and the specific implementation manner can be determined according to the technical scheme of the utility model and actual conditions.

In this utility model, for the convenience of description, the description of the relative positional relationship of each component is described according to the layout method of the accompanying drawing 2 of the specification, such as: the positional relationship of upper, lower, left, right, etc. is based on the specification It is determined by the layout direction of the attached drawing.

Below in conjunction with embodiment and accompanying drawing, the utility model is further described:

As shown in accompanying drawings 1, 2, and 3, the summer cooling device of the hydropower plant includes a water pump 1, a water tower 2, a main pipeline 3 and a cooling fan; the water pump 1 communicates with the water tower 2 through a pipeline, and the water tower 2 communicates with the main pipeline through a pipeline. 3 connected, at least one first outlet 4 is distributed on the main pipe 3, and each first outlet 4 is correspondingly connected with a cooling fan; 8 and the motor 9, the box body 5 is a four-sided box body 5 with openings on the front and back sides, the finned heat dissipation pipe 6 is bent and fixed in the box body 5, and the two ends of the finned heat dissipation pipe 6 are respectively connected to the water inlet pipe 7 communicates with the water outlet pipe 8, and the motor 9 positioned directly behind the finned cooling pipe 6 is equipped with a fan blade 10 that can rotate with the output shaft of the motor 9 and make the air flow from the rear of the casing 5 to the front. 7 communicates with the corresponding first outlet 4 through pipelines. The water pump 1 can extract cooling water from the deep well 19 (it can also be replaced by river water); the number of air coolers can be determined according to the actual situation of the factory building and the cooling effect; The most widely used heat exchange equipment is to enhance the heat transfer by adding fins to the common base pipe; the finned heat dissipation pipe 6 can also be replaced by a metal plate with excellent thermal conductivity wrapped around the steel pipe; 9 cooperates fan blade 10 and cold wind can be sent out, accelerates the heat exchange of cooling water and high-temperature gas in the workshop in the finned heat pipe 6; Motor 9 and fan blade 10 also can replace with existing known air blower.

According to actual needs, the summer cooling devices of the above-mentioned hydropower plants can be further optimized or/and improved:

As shown in Figures 2 and 3 , the plane where the axis of the bent finned heat dissipation pipe 6 is located is parallel to the opening surface of the box body 5 . In this way, the heat exchange efficiency between the cooling water in the finned cooling tube 6 and the high-temperature gas in the workshop can be maximized.

As shown in Figure 3, the front ends of the left and right side walls of the box body 5 are longitudinally equipped with shutters 11 that can be opened and closed. Like this when in winter, can prevent dust from entering casing 5 by closing shutter 11.

As shown in Figures 2 and 3, at least three non-collinear legs 12 are fixed at the lower end of the box body 5 .

As shown in FIG. 1 , the main pipeline 3 is provided with a backup inlet 18 , and the backup inlet 18 is connected with a pressure pipe 13 through the pipeline. The pressure pipe 13 stores water for power generation in a hydropower plant, which can be used as standby cooling water.

As shown in FIG. 1 , at least one second outlet 14 is distributed on the main pipeline 3 , and the second outlet 14 is connected to a corresponding unit cooling device 15 through pipelines. The second outlet 14 is used for cooling the bearings of each part of the unit, and the first outlet 4 is opened on the original main pipe 3 for cooling the factory building, so that the transformation is simple and the cost is saved.

As shown in Figure 1, the water outlet pipe 8 is connected with a greening device 16 through a pipeline. The water after cooling like this can be used for greening in the factory; The water after cooling also can lead back in the deep well 19.

As shown in accompanying drawing 1, switch valves 17 are provided on the pipelines between the water pump 1 and the water tower 2, between the water tower 2 and the main pipeline 3, and between the first outlet 4 and the cooling fan. This facilitates the installation and maintenance of the equipment, and also facilitates the use of a single cooling fan.

The above technical features constitute the best embodiment of the utility model, which has strong adaptability and best implementation effect, and non-essential technical features can be increased or decreased according to actual needs to meet the needs of different situations.

The use process of the most preferred embodiment of the present utility model:

The temperature of the outlet water in Shenjing 19 in summer is about 17 degrees Celsius (the temperature of the river water is generally about 22 degrees Celsius). The cooling water is pumped to the water tower 2 through the water pump 1, and then the cooling water is led to the generator layer in the plant through the first outlet 4 on the main pipe 3, and the cooling water in the tube and the high-temperature gas of the plant are effectively carried out through the bent finned heat dissipation tube 6. After heat exchange, the cold wind is blown out by the cooperation of the motor 9 and the fan blade 10. If the cooling of one group of air coolers is not obvious, multiple groups of air coolers can be installed. After cooling down, the temperature of the plant dropped from 35 degrees Celsius to around 27 degrees Celsius. The used water can be used for greening the power plant, and can also be returned to the deep well 19 to supplement the deep well 19 water volume. The utility model has the advantages of simple structure, convenient transformation, less maintenance times, fully utilizes the existing resources of the hydropower plant, can reduce the temperature of the plant at low cost, and can quickly complete the entire operation by a single person, providing a comfortable duty environment for the on-duty personnel.

Claims (10)

1. A cooling device for a hydropower plant in summer is characterized in that it comprises a water pump, a water tower, a main pipeline and an air cooler; the water pump communicates with the water tower through a pipeline, and the water tower communicates with the main pipeline through a pipeline, and the main pipeline is provided with at least one first One outlet, each first outlet is connected to a cooling fan; the cooling fan includes a box body, a finned heat dissipation pipe, a water inlet pipe, a water outlet pipe and a motor. The box body is a four-sided box body with openings on the front and back, and The finned heat dissipation pipe is bent and fixed in the box. The two ends of the finned heat dissipation pipe are respectively connected with the water inlet pipe and the water outlet pipe. The motor located directly behind the finned heat dissipation pipe is equipped with a And make the air flow from the rear of the box to the fan blades in the front, and the water inlet pipe communicates with the corresponding first outlet through a pipeline. 2. The summer cooling device for a hydropower plant according to claim 1, characterized in that the plane where the axis of the bent-shaped finned heat dissipation pipe is located is parallel to the opening surface of the box. 3. The summer cooling device for hydropower plants according to claim 1 or 2, characterized in that the front ends of the left and right side walls of the box are longitudinally equipped with shutters that can be opened and closed; or/and, the lower end of the box is fixed with at least three different Collinear outriggers. 4. The summer cooling device of a hydropower plant according to claim 1 or 2, characterized in that the main pipeline is provided with a backup inlet, and the backup inlet is connected to a pressure pipe through a pipeline; or/and, the main pipeline is provided with at least one second outlet , the second outlet is connected to the corresponding unit cooling device through the pipeline. 5. The summer cooling device of a hydropower plant according to claim 3, characterized in that it also includes a pressure pipe, and the pressure pipe communicates with the main pipeline through a pipeline; or/and, the main pipeline is provided with at least one second outlet, the second The outlet is connected to the corresponding unit cooling device through the pipeline. 6. The summer cooling device for a hydropower plant according to claim 1 or 2, characterized in that the outlet pipe is connected with a greening device through a pipeline. 7. The summer cooling device of a hydropower plant according to claim 3, characterized in that the outlet pipe is connected with a greening device through a pipeline. 8. The summer cooling device of a hydropower plant according to claim 5, characterized in that the outlet pipe is connected with a greening device through a pipeline. 9. The summer cooling device of a hydropower plant according to claim 1 or 2, characterized in that switch valves are provided on the pipelines between the water pump and the water tower, between the water tower and the main pipeline, and between the first outlet and the cooling fan. 10. The summer cooling device of a hydropower plant according to claim 8, characterized in that switch valves are provided on the pipelines between the water pump and the water tower, between the water tower and the main pipeline, and between the first outlet and the cooling fan.