Steam pumping and discharging device for conventional island of nuclear power station

Abstract

The utility model discloses a steam pumping and discharging device for a conventional island of a nuclear power station. The steam pumping and discharging device comprises a base body, a first steam inlet pipeline, a second steam inlet pipeline, a humidity sensor, a steam filter, an exhaust fan, an exhaust pipeline and a cooler. According to the nuclear power station conventional island steam pumping and discharging device, the first steam inlet pipeline is installed on the top of the base body, the second steam inlet pipeline is installed on the side wall of the base body, the steam conveying pipeline can be connected to the top or the side wall of the base body, and connection of the steam conveying pipelines at different positions on site is facilitated. The base body is used for containing steam needing to be pumped and discharged, the exhaust fan is used for providing pumping and discharging power for the steam, and the problem that the temperature of a conventional island plant is increased due to the fact that a large amount of steam is directly discharged can be avoided. And meanwhile, the humidity sensor can measure the relative humidity in the base body, so that the discharge amount of the steam is deduced, and the discharge amount of the steam is conveniently controlled. And the cooler is used for cooling the steam, and the steam can be cooled into liquid to flow out, so that the steam is prevented from being directly discharged to the air.

Description

TECHNICAL FIELD

[0001] The utility model relates to nuclear power plant conventional island extraction and exhaust steam field, especially a nuclear power plant conventional island extraction and exhaust steam device. BACKGROUND

[0002] Steam exhaust system is the safety system of nuclear power plant. At present, there are a lot of steam directly exhaust in the exhaust site, which can easily lead to the temperature increase of conventional island plant, and even the high temperature can make the fireproof bubble break. There is lack of special device for extracting and exhausting steam. UTILITY MODEL CONTENTS

[0003] The utility model solves the technical problem, and provides a nuclear power plant conventional island extraction and exhaust steam device.

[0004] The utility model adopts the technical scheme that constructs a nuclear power plant conventional island extraction and exhaust steam device, which comprises a base body, a first steam inlet pipeline, a second steam inlet pipeline, a humidity sensor, a steam filter, an exhaust fan, an exhaust pipeline and a cooler.

[0005] The first steam inlet pipeline is installed on the top of the base body and is used for being connected with the steam conveying pipeline of the nuclear power plant conventional island.

[0006] The second steam inlet pipeline is installed on the side wall of the base body and is used for being connected with the steam conveying pipeline of the nuclear power plant conventional island.

[0007] The humidity sensor is installed on the inner wall of the base body and is used for measuring the humidity inside the base body.

[0008] The exhaust fan is installed at the exhaust port of the base body and is used for exhausting the steam in the base body, and the exhaust pipeline is connected with the exhaust fan.

[0009] The steam filter is installed on the exhaust pipeline and is used for filtering the steam.

[0010] The cooler is installed on the exhaust pipeline and is used for cooling the steam.

[0011] In some embodiments, the nuclear power plant conventional island extraction and exhaust steam device further comprises a temperature sensor, which is installed on the inner wall of the base body and is used for measuring the temperature inside the base body.

[0012] In some embodiments, the exhaust pipeline is further provided with a steam exhaust control valve.

[0013] In some embodiments, the first steam inlet pipeline is provided with a first steam inlet control valve.

[0014] In some embodiments, the second steam inlet pipe is provided with a second steam inlet control valve.

[0015] In some embodiments, the exhaust fan is a movable waterproof exhaust fan.

[0016] In some embodiments, a sealing ring is arranged between the first steam inlet pipe and the base body and between the second steam inlet pipe and the base body.

[0017] In some embodiments, a temperature insulation layer is arranged on the outer side of the base body.

[0018] In some embodiments, a display is arranged on the base body.

[0019] In some embodiments, the base body is made of stainless steel.

[0020] The nuclear power plant conventional island steam extraction and exhaust device has the following beneficial effects: the first steam inlet pipe is installed on the top of the base body, and the second steam inlet pipe is installed on the side wall of the base body, the steam conveying pipe can be connected on the top or the side wall of the base body, and the connection of the steam conveying pipe at different positions on the site is facilitated. The steam to be extracted and exhausted is accommodated by the base body, and the exhaust fan is used to provide power for the extraction and exhaustion of the steam, so that the problem of temperature increase of the conventional island plant caused by direct discharge of a large amount of steam can be avoided. At the same time, the humidity sensor can measure the relative humidity in the base body, so as to infer the exhaust amount of the steam, so as to facilitate the control of the exhaust amount of the steam. In addition, the steam filter can filter out impurities in the steam, so as to ensure the normal use of subsequent equipment, and the cooler is used for cooling the steam, so that the steam can be cooled to become liquid and flow out, avoiding direct discharge of the steam into the air. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the utility model, the utility model will be further described below in combination with the drawings and embodiments. It should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor. In the drawings:

[0022] Figure 1 It is the overall structure schematic diagram of the nuclear power plant conventional island steam extraction and exhaust device of the utility model. DETAILED DESCRIPTION

[0023] In order to have a clearer understanding of the technical features, objectives and effects of the present application, the specific embodiments of the present application will be described in detail with reference to the drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "upper", "lower", "left", "right", "vertical", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail" and the like are based on the directions or positional relationships shown in the drawings, constructed and operated in a particular direction, and are only for the convenience of describing the present technical solution, and do not indicate that the devices or elements referred to must have a particular direction, therefore, it cannot be understood as a limitation on the present application.

[0024] It should be further pointed out that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing", "setting" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication or interaction relationship between two elements. When an element is referred to as "on" or "under" another element, the element can be "directly" or "indirectly" located on the other element, or there can be one or more intermediate elements. The terms "first", "second", "third" and the like are only for the convenience of describing the present technical solution, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated, therefore, the features with "first", "second", "third" and the like can be explicitly or implicitly include one or more of the features. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] Referring to Figure 1 It is a kind of nuclear power plant conventional island steam extraction device in some embodiments of the present application, it includes base body 1, first inlet pipe 2, second inlet pipe 3, humidity sensor 4, steam filter 5, exhaust fan 6, exhaust line 7 And cooler 8.The first inlet pipe 2 is installed at the top of base body 1, and is used to be connected with the steam delivery pipe of nuclear power plant conventional island;Second inlet pipe 3 is installed on the side wall of base body 1, and is used to be connected with the steam delivery pipe of nuclear power plant conventional island;Humidity sensor 4 is installed on the inner wall of base body 1, and is used to measure the humidity inside base body 1;Exhaust fan 6 is installed at the exhaust port of base body 1, and is used to exhaust steam in base body 1, exhaust line 7 is connected to exhaust fan 6;Steam filter 5 is installed on exhaust line 7, and is used to filter steam;Cooler 8 is installed on exhaust line 7, and is used to cool steam. Wherein, the base body 1 is a cube shape, it is a sealed body, the base body 1 can be made of stainless steel material, to ensure the strength hardness and corrosion resistance of base body 1.

[0026] It can be understood that the nuclear power plant conventional island steam extraction device installs the first steam inlet pipe 2 on the top of the base body 1 and installs the second steam inlet pipe 3 on the side wall of the base body 1, and the steam conveying pipe can be connected on the top or the side wall of the base body 1, which facilitates the connection of the steam conveying pipe at different positions on site. By using the base body 1 to accommodate the steam to be extracted and using the exhaust fan 6 to provide power for the extraction of the steam, the problem of temperature increase of the conventional island plant caused by direct discharge of a large amount of steam can be avoided. At the same time, the humidity sensor 4 can measure the relative humidity in the base body 1, so as to infer the discharge amount of the steam, thereby facilitating the control of the discharge amount of the steam. In addition, the steam filter 5 is also provided to filter out impurities in the steam, so as to ensure the normal use of subsequent equipment, and the cooler 8 is used for cooling the steam, so that the steam can be cooled to become liquid and flow out, thereby avoiding direct discharge of the steam into the air.

[0027] More specifically, since the temperature of the steam in the steam conveying pipe is high, direct discharge will cause temperature increase, so the cooler 8 is arranged to cool the steam. The cooler 8 can be a steam cooler, and the steam can be cooled to become liquid and flow out, thereby avoiding direct discharge of the steam into the air.

[0028] The exhaust pipe line 7 is also provided with an exhaust control valve 71 to control the on-off of the steam passing through the exhaust pipe line 7. The exhaust control valve 71 is specifically located between the steam filter 5 and the exhaust fan 6.

[0029] The nuclear power plant conventional island steam extraction device also comprises a temperature sensor 9 installed on the inner wall of the base body 1 and used for measuring the temperature inside the base body 1, so as to monitor the steam discharge temperature in real time through the temperature sensor 9.

[0030] The first steam inlet pipe 2 is provided with a first steam inlet control valve 21 to control the on-off of the steam entering the base body 1 from the first steam inlet pipe 2. The second steam inlet pipe 3 is provided with a second steam inlet control valve 31 to control the on-off of the steam entering the base body 1 from the second steam inlet pipe 3.

[0031] The exhaust fan 6 is a movable waterproof exhaust fan. The movable waterproof exhaust fan is a portable device mainly used for ventilation and exhaust in various environments, has the functions of waterproofing and explosion-proofing, and is convenient to carry.

[0032] In addition, sealing rings are arranged between the first steam inlet pipe 2 and the base body 1 and between the second steam inlet pipe 3 and the base body 1, so as to ensure the sealing between the first steam inlet pipe 2 and the base body 1 and between the second steam inlet pipe 3 and the base body 1.

[0033] A temperature insulation layer 11 is arranged on the outer side of the base body 1. The temperature insulation layer 11 can be made of polyurethane material or mineral wool material, and is arranged on the outer side of the base body 1, so as to avoid the case of scalding caused by the accidental touch of the base body 1 by the operator.

[0034] The base 1 is provided with a display 12 which can display the real-time temperature and humidity of the exhaust and the working condition of the exhaust fan 6.

[0035] It can be understood that the above embodiments only express the preferred embodiments of the present application, the description is more specific and detailed, but it cannot be understood as the limitation of the patent scope of the present application; it should be pointed out that for ordinary skilled in the art, the above technical features can be freely combined without departing from the concept of the present application, and a number of modifications and improvements can be made, which belong to the protection scope of the present application; therefore, any equivalent transformation and modification within the scope of the claims of the present application shall belong to the scope of the claims of the present application.

Claims

1. A nuclear power plant conventional island steam extraction device, characterized by, The nuclear power plant conventional island steam extraction device comprises a base (1), a first steam inlet pipeline (2), a second steam inlet pipeline (3), a humidity sensor (4), a steam filter (5), an exhaust fan (6), an exhaust pipeline (7) and a cooler (8). The first steam inlet pipeline (2) is installed on the top of the base (1) and is used for being connected with a steam conveying pipeline of a nuclear power plant conventional island. The second steam inlet pipeline (3) is installed on the side wall of the base (1) and is used for being connected with a steam conveying pipeline of a nuclear power plant conventional island. The humidity sensor (4) is installed on the inner wall of the base (1) and is used for measuring the humidity inside the base (1). The exhaust fan (6) is installed at the exhaust port of the base (1) and is used for exhausting steam in the base (1), and the exhaust pipeline (7) is connected to the exhaust fan (6). The steam filter (5) is installed on the exhaust pipeline (7) and is used for filtering steam. The cooler (8) is installed on the exhaust pipeline (7) and is used for cooling steam.

2. The nuclear power plant conventional island steam extraction device according to claim 1, characterized by, The nuclear power plant conventional island steam extraction device further comprises a temperature sensor (9) installed on the inner wall of the base (1) and used for measuring the temperature inside the base (1).

3. The nuclear power plant conventional island steam extraction device according to claim 1, characterized by, An exhaust control valve (71) is further arranged on the exhaust pipeline (7).

4. The nuclear power plant conventional island steam extraction device according to claim 1, characterized by, A first steam inlet control valve (21) is arranged on the first steam inlet pipeline (2).

5. The nuclear power plant conventional island steam extraction device according to claim 1, characterized by, A second steam inlet control valve (31) is arranged on the second steam inlet pipeline (3).

6. The nuclear power plant conventional island steam extraction device according to claim 1, characterized by, The exhaust fan (6) is a movable waterproof exhaust fan.

7. The nuclear power plant conventional island steam extraction device according to claim 1, characterized by, Sealing rings are arranged between the first steam inlet pipeline (2) and the base (1) and between the second steam inlet pipeline (3) and the base (1).

8. The nuclear power plant conventional island steam extraction device according to claim 1, characterized by, A temperature insulation layer (11) is arranged on the outer side of the base (1).

9. The nuclear power plant conventional island steam extraction device according to claim 1, characterized by, A display (12) is arranged on the base (1).

10. The nuclear power plant conventional island steam extraction device according to claim 1, characterized by, The base (1) is made of stainless steel.

Images