JPH09292484A - Nuclear power generation facility - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide nuclear power generation facilities which can decrease the total volume of connections between buildings in a plant and reduce the costs of materials and construction work for nuclear power facilities and construction processes. SOLUTION: Nuclear power generation facilities are constituted in the combination of a reactor building 1 accommodating a reactor, a turbine building 2 which is placed near the reactor building 1 on the same plane and accommodates a turbine 16 and a turbine generator, a seawater heat exchanger building 3 to accommodate a seawater heat exchanger for cooling the cooling water for the reactor and other buildings. In the nuclear power generation facilities, the seawater heat exchanger building 3 is laid out in a space, formed by the difference in the lengths between the reactor building 1 and the turbine building 2, placed near each other on the same plane.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nuclear power generation facility, and more particularly to a nuclear power generation facility in which a turbine building and a seawater heat exchanger building are arranged in close proximity to a reactor building in a plane.

[0002]

2. Description of the Related Art The layout of the entire building on a premises of a nuclear power generation facility that has been conventionally generally adopted is usually as follows. That is, as shown in FIG. 2, the reactor building 1 housing the reactor 15
Is generally located on the most inland side due to the rock conditions on the premises, and the turbine 1 is located next to the reactor building.
A turbine building 2 accommodating 6 and a generator is arranged. Further, the seawater heat exchanger building 3 is usually installed on the side of the water discharge garden 4 near the sea because of the arrangement of the cooler using seawater. In the figure, 5 is a main steam pipe connecting the nuclear reactor 15 and the turbine 16, 6 is a cooling water pipe connecting the seawater heat exchanger 12 and the pump-related 18, and 7 is a circulating water pipe.

[0003] Examples of nuclear power generation facilities of this type include, for example, Japanese Patent Application Laid-Open No. 4-31603 and Japanese Patent Application Laid-Open No. 2-291404.

[0004]

Since the main buildings in the conventional nuclear facilities, namely, the reactor building, the turbine building, and the seawater heat exchanger building are arranged in this way,
The cooling water pipe 6 which is the inter-building connection of the cooling water is communicated from the seawater heat exchanger building 3 to the reactor building 1 (industrial water cooled by seawater in the seawater heat exchanger building 3 When cooling the equipment), the turbine building 2 is bypassed or crossed, and the amount of material increases due to the presence of this turbine building. Also, the circulating water pipe 7 passes through the seawater heat exchanger building 3 as well. Condenser of turbine building 2,
Since the turbine building 2 and the seawater heat exchanger building 3 are distant from each other because they are in contact with the discharge garden 4, the quantity of communicable objects is inevitably increased.

That is, the increase in the amount of connecting materials between the main buildings increases the costs of materials, design costs, construction costs, etc. of the nuclear equipment, and further civil engineering such as excavation of the connecting material route and the construction process. It also means that

The present invention has been made in view of the above circumstances, and an object of the present invention is to reduce the total amount of connecting objects connecting between buildings in a premises without using any special device or material.
An object of the present invention is to provide a nuclear power generation facility of this kind which can reduce the material cost and construction cost of the nuclear power facility and the construction process.

[0007]

Means for Solving the Problems That is, the present invention provides a reactor building in which a nuclear reactor is housed, a turbine which is arranged in close proximity to the reactor building in a plane, and in which a turbine and a turbine generator are housed. A building, a seawater heat exchanger building in which a seawater heat exchanger for cooling the cooling water of the nuclear reactor is housed, and a nuclear power generation facility configured by combining other buildings, wherein the seawater heat exchanger building is ,
This is to achieve the intended purpose by arranging the reactor building and the turbine building, which are arranged close to each other in a plane, in the space portion due to the difference in length.

Further, one outer wall surface of the reactor building and one outer wall surface of the turbine building, which are arranged close to each other in a plane, are arranged so as to be in contact with each other, and a space portion due to a difference in building length is provided on the opposite side of the contact surface. The seawater heat exchanger building is arranged in this space, and one corner of the outer wall of the seawater heat exchanger building is arranged so as to match the corner of the space.

Further, in this case, the equipments arranged in the respective buildings and connected to the equipments in the other buildings through the connecting objects are arranged close to the building side to which the connecting objects are connected. It was done. Further, a device connected to a device in another building through a connecting object is arranged at a position having the shortest distance in a plane with the building side to which the connecting object is connected.

That is, in the nuclear power generation facility having such a building and equipment layout, the seawater heat exchanger building has a space due to the difference in length between the reactor building and the turbine building, which are arranged close to each other in a plane. Since it is located in the area, the outer wall surface of the seawater heat exchanger building is close to the reactor building and the turbine building, respectively, and the seawater heat exchanger building has the outer wall surface in the conventional reactor building and turbine building. It does not straddle each other. Therefore, the contact area for connecting the inter-building connecting objects can be sufficiently taken, and the connecting objects can be simplified.

Further, one outer wall surface of the reactor building and one outer wall surface of the turbine building are arranged in contact with each other in a plane, and a space (recess) due to a difference in the building length is formed on the opposite side of the contacted surface, and seawater is formed there. By arranging the outer walls of the heat exchanger building so that one corner is aligned with each other so that the number of outer wall differences between the reactor building and the turbine building is only one, the largest building under these conditions. It becomes possible to secure a space for connecting objects, and the number of steps on the outer wall surface between the reactor building and the turbine building is reduced, which is good in terms of construction and aesthetics.

Further, the equipment connected to the inter-building interconnector is moved to the side of the building to the shortest distance on the plane as much as possible in terms of construction, and each building is laid in the seawater heat exchanger building. Inter-building interconnecting structures can be eliminated, and the inter-building interconnecting structure can be made convenient for the above-mentioned in-building building layout. In addition, since the concrete drainage channel extends from the drainage garden to the coast and the drainage garden is placed near the turbine building, the inter-building connection is short and long.
It is possible to reduce the amount of inter-building connections, and thus the nuclear power generation facility formed in this way can reduce the total amount of inter-building connections, that is, material costs, design costs, construction costs, etc. In addition, it is possible to shorten the civil engineering and construction process such as excavation of the connecting material route,
In addition, because of the positional relationship between the buildings, there is no intersection between the buildings due to the structure, so that complicated design and construction of those parts can be eliminated.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the illustrated embodiments. FIG. 1 shows the layout of the building in the nuclear power generation facility. Reference numeral 13 in the figure indicates a coastline, and the reactor building 1 accommodating the reactor 15 is arranged on the land side (lower side in the figure) from this, and the turbine 16 and the recovery unit are installed next to this reactor building. A turbine building 2 accommodating a water container 17 and a generator is arranged.

Further, a seawater heat exchanger building 3 is arranged next to the reactor building 1. In this case, even if the seawater heat exchanger building 3 is arranged next to the reactor building 1, it is not a random adjoining arrangement, but is arranged particularly under the following conditions. That is, the outer wall surfaces on one side of the reactor building 1 and the turbine building 2 are arranged on the same line, and the building length difference formed on the opposite side (usually the turbine building is longer) Since the seawater heat exchanger building 3 is arranged in the space portion S by so that one outer wall corner of the seawater heat exchanger building 3 matches the space corner formed by the reactor building and the turbine building. is there.

The inter-building interconnects are mainly the main steam pipe 5, the circulating water pipe 7, the cooling water pipe 6, the phase separation busbar 8, the main exhaust duct 9, etc., but the main steam pipe 5 is inside the reactor building 1. The piping that sends the steam generated by the nuclear reactor 15 to the turbine 16 for power generation in the turbine building 2 passes through each building and is extremely hot, eliminating the potential for accidents, the necessity of heat retention, and power generation. Although it is necessary to minimize the length in order to prevent the efficiency from decreasing, this configuration can be the shortest as can be understood from the figure.

The circulating water pipe 7 is an underground pipe through which the seawater pumped by the circulating water pump 11 in the seawater heat exchanger building 3 flows underground, and water for reusing steam after power generation in the turbine building 2 is reused. It is a pipe that connects the condenser 17 for returning the water to seawater, and then connects to the water discharge garden 4 for discharging the seawater to the sea.

[0017] Normally, the fact that the circulating water pipe 7 intersects the condenser 17 with the flowing and returning pipes of the seawater is a pipe having a very large diameter, which greatly affects the excavation of the ground and the construction process. However, if it is this, it is avoided. In addition, it is also necessary to avoid passing the underground part of the buildings other than the turbine building 2 as it has a great influence on the construction process like the building.

According to this embodiment, the reactor building 1
From the seawater heat exchanger building 3 to the seawater heat exchanger building 3 due to the difference in the building length between the turbine building 2 and the turbine building 2 (one outer wall surface is placed in contact with each other, and the difference on the opposite side of the contact surface) In view of the maximum area, the circulating water pipe 7 is routed in the space 10 between the buildings in order to use the inter-building connector space 10 for the inter-building connector entrance, respectively. Avoided.

Similarly, passing through the basement of the building is also avoided. Further, the water discharge garden 4 is arranged in the vicinity of the turbine building 2 by extending the concrete water discharge passage 14, and the circulating water pipe 7 is further shortened. The circulating water pipe 7 has a great influence on the construction process due to excavation of the ground and construction of the pipe, so be particularly careful. The layout of the building will be the shortest possible distance and satisfy the above conditions.

The cooling water pipe 6 is used to cool industrial water cooled by seawater by the seawater heat exchanger 12 which is a cooling device for the entire nuclear power plant in the seawater heat exchanger building 3 into equipment such as pumps in each building. In particular, pipes are provided to cool the pump-related 18 of the emergency cooling facility in the reactor building 1 and then pass through each building that returns to the same route. All the pump related parts 18 of the emergency cooling equipment have a function of sending cooling water from the upper part of the reactor 15 and pumping the cooling water from the lower part of the reactor 15 to circulate the cooling water to cool the reactor 15. It is arranged around the reactor 15 on the lower floor.

Another embodiment is shown in FIG. In this embodiment, two sets of the above-mentioned embodiment are adjacent to each other,
This is an example in which the turbine building 2 is connected and arranged in order to share the repair space of the equipment and rationalize it. Yet another embodiment is shown in FIG. In other words, this is also an example for the purpose of arranging two sets of nuclear power generation equipment in the same shape and providing repeatability and rationalization.

4 and 5 together, the connecting object passes through the reactor building 1 and the turbine building 2 built in contact with each other as short as possible. Further, the circulating water pump 11 and the seawater heat exchanger 12 are arranged substantially at the center of the interior of the seawater heat exchanger building 3 due to the balance of the arrangement of conventional equipment and the mixability of the building. Heat exchanger building 3
In the interior of the building, the equipment connected to the inter-building interconnector is moved to the position of the shortest distance to the building as much as possible in terms of construction (circulating water pump 11 to the turbine building 2 side, seawater The heat exchanger 12 is arranged on the reactor building 1 side).

As a result, the crossing of the inter-building interconnects routed in the seawater heat exchanger building 3 is eliminated, the building layout within the main building is established, and the cooling water piping 6 is minimized.

FIG. 6 shows a plan view of the arrangement of the seawater heat exchanger building corresponding to FIG. 4, and FIG. 7 shows a plan view of the arrangement of the seawater heat exchanger building corresponding to FIG. 6 and 7, as a whole, the circulating water pump 11 is directed to the turbine building 2 side, and the seawater heat exchanger 1
No. 2 has an eccentric arrangement configuration that places importance on the balance of the load of the equipment toward the reactor building 1 side and moving to the position of the shortest distance possible in terms of building rather than the mixability as a building. There is no particular difference between the phase separation busbar 8 and the main exhaust duct 9.

As a whole, the total amount of inter-building connections within the nuclear power plant premises is reduced. The quantity of the connecting water between the buildings is particularly large, and the quantity of the cooling water pipe 6 and the circulating water pipe 7, which has led to cost increase such as material cost, design cost, and construction cost, is greatly reduced. Therefore, it leads to cost reduction of material cost, design cost, construction cost and so on, and it is possible to shorten civil engineering and construction process such as excavation of connecting material route. Furthermore, the positional relationship of each building of the present invention is a configuration, and therefore a complicated design of that part does not occur because no crossing of interbuilding connecting objects occurs.
No need for construction.

Next, the equipment of the present invention and the conventional equipment will be compared and described from the viewpoints of operation and effect based on FIG. This figure shows a plan view of two examples of the layout of the inter-building inter-building shortest distance arrangement in the nuclear power plant and an example of the conventional layout.

The inter-building connections are mainly the main steam pipe 5, the circulating water pipe 7, the cooling water pipe 6, the phase separation busbar 8, and the main exhaust duct 9.
In the conventional nuclear power plant all building layout in the nuclear power plant, the amount of circulating water pipe 7 and cooling water pipe 6 becomes enormous especially among the inter-building connection materials, and material cost, design cost, construction cost, etc. Leading to higher costs,
In addition, civil engineering such as excavation of the route of the connecting object, there was a problem such as a long construction process, in comparison with this, in the facility of the present invention, the total amount of inter-building connecting items between the nuclear power plant premises It can be seen that it has been reduced.

In this case, in particular, the quantities of the cooling water pipe 6 and the circulating water pipe 7 are greatly reduced. Therefore, it leads to cost reduction of material cost, design cost, construction cost and so on, and it is possible to shorten civil engineering and construction process such as excavation of connecting material route. Further, in terms of the positional relationship among the buildings of the present invention, because of the structure, no inter-building connecting objects intersect, so that complicated design and construction of those parts are not required.

[0029]

As described above, according to the present invention, the total amount of interconnected materials between buildings in a nuclear power plant is reduced, which leads to a reduction in material costs, design costs, construction costs and the like, and an interconnected material route. It is possible to shorten the civil engineering and construction process such as excavation of the building. Moreover, the positional relationship of each building does not cause crossing of inter-building interconnects due to its structure, so the complicated design of that part Also, the construction is unnecessary, and the cost can be reduced in this relationship.

[Brief description of drawings]

FIG. 1 is a plan view showing an example of a premises layout in a nuclear power generation facility of the present invention.

FIG. 2 is a plan view showing a layout of a premises in a conventional nuclear power generation facility.

FIG. 3 is a comparison diagram of inter-building communication objects in a nuclear power generation facility.

FIG. 4 is a plan view showing another example of the internal building layout in the nuclear power generation facility of the present invention.

FIG. 5 is a plan view showing another example of the layout of a building in a nuclear power plant of the present invention.

FIG. 6 is a plan view showing an embodiment of the arrangement of the seawater heat exchanger building in the nuclear power generation facility of the present invention.

FIG. 7 is a plan view showing another embodiment of the arrangement of the seawater heat exchanger building in the nuclear power generation facility of the present invention.

[Explanation of symbols]

1 ... Reactor building, 2 ... Turbine building, 3 ... Seawater heat exchanger building, 4 ... Water discharge garden, 5 ... Main steam pipe, 6 ... Cooling water pipe,
7 ... Circulating water piping, 8 ... Phase separation busbar, 9 ... Main exhaust duct,
10 ... Space for communication between buildings, 11 ... Circulating water pump,
12 ... Seawater heat exchanger, 13 ... Coast, 14 ... Concrete discharge channel, 15 ... Reactor, 16 ... Turbine, 17 ... Condenser, 18 ... Pump-related for emergency cooling equipment.

Claims (6)

[Claims] 1. A nuclear reactor building containing a nuclear reactor,
A turbine building that is arranged in close proximity to this reactor building in a plane and that houses a turbine and a turbine generator, and a seawater heat exchanger that houses a seawater heat exchanger that cools the cooling water of the reactor. In a nuclear power generation facility configured by combining a reactor building and other buildings, the seawater heat exchanger building is a space portion due to a difference in building length between a reactor building and a turbine building, which are arranged in close proximity to each other. A nuclear power generation facility characterized by being arranged in. 2. A nuclear reactor building containing a nuclear reactor,
A turbine building that is arranged in close proximity to this reactor building in a plane and that houses a turbine and a turbine generator, and a seawater heat exchanger that houses a seawater heat exchanger that cools the cooling water of the reactor. In a nuclear power generation facility configured by combining an instrument building and other buildings, an outer wall surface on one side of the reactor building and the turbine building that are arranged in close proximity to each other on the same plane are arranged on the same line. And, in the space portion due to the difference in the building length formed on the opposite side, one outer wall corner of the seawater heat exchanger building matches the space corner formed by the reactor building and the turbine building. The nuclear power generation facility is characterized in that the seawater heat exchanger building is arranged as described above. 3. A reactor building containing a nuclear reactor,
A turbine building that is arranged in close proximity to this reactor building in a plane and that houses a turbine and a turbine generator, and a seawater heat exchanger that houses a seawater heat exchanger that cools the cooling water of the reactor. In a nuclear power generation facility configured by combining a reactor building and other buildings, the seawater heat exchanger building is a space portion due to a difference in building length between a reactor building and a turbine building, which are arranged in close proximity to each other. And a water discharge yard that discharges cooling water after cooling the equipment, in the vicinity of the turbine building. 4. A device arranged in each of the buildings and connected to a device in another building via a communication object,
The nuclear power generation facility according to claim 1, wherein the nuclear power generation facility is arranged close to the building side to which the connecting object is connected. 5. A device arranged in each of the buildings and connected to a device in another building through a contact object has a shortest distance in a plane from the building side to which the contact object is connected. The nuclear power plant according to claim 1, wherein the nuclear power plant is arranged at a position. 6. A communication for connecting equipment of a building between an outer wall surface of a space portion and a building facing the outer wall surface due to a difference in length between the reactor building and the turbine building which are adjacent to each other in plan view. The nuclear power generation facility according to claim 1, wherein the connection port is used as an object connection port.