阅读说明：本技术 一种海上核电平台集中进排风系统 (Centralized air intake and exhaust system of offshore nuclear power platform ) 是由 黄峙 王洋 刘安涟 刘毅 李慧子 于 2020-07-24 设计创作，主要内容包括：本发明公开了一种海上核电平台集中进排风系统,包括集中进风区、空调设备、通风设备、排风管道和集中排风区,所述集中进风区和集中排风区分别设于海上核电平台的两侧,所述集中进风区的入口和集中排风区的出口分别与外界大气连通；所述空调设备安装于海上核电平台的空调室内,空调设备的进风管道与集中进风区连通,空调设备的出风管道通过空调通风附件与海上核电平台的各服务舱室连通；所述通风设备安装于排风管道上。本发明的有益效果为：在海上核电平台的两侧设置集中进排风区,集中进排风区包括一个与外界大气连通的集中进排风室,在发生核泄漏等安全事故或台风等自然灾害时,可以迅速同时关闭平台所有空调通风系统对外进排风风口。(The invention discloses a centralized air intake and exhaust system of an offshore nuclear power platform, which comprises a centralized air intake area, air conditioning equipment, ventilation equipment, an air exhaust pipeline and a centralized air exhaust area, wherein the centralized air intake area and the centralized air exhaust area are respectively arranged at two sides of the offshore nuclear power platform, and the inlet of the centralized air intake area and the outlet of the centralized air exhaust area are respectively communicated with the outside atmosphere; the air conditioning equipment is arranged in an air conditioning room of the offshore nuclear power platform, an air inlet pipeline of the air conditioning equipment is communicated with the centralized air inlet area, and an air outlet pipeline of the air conditioning equipment is communicated with each service cabin of the offshore nuclear power platform through an air conditioning ventilation accessory; the ventilation equipment is arranged on the exhaust pipeline. The invention has the beneficial effects that: the centralized air inlet and outlet areas are arranged on two sides of the offshore nuclear power platform and comprise a centralized air inlet and outlet chamber communicated with the outside atmosphere, and when safety accidents such as nuclear leakage and the like or natural disasters such as typhoons and the like occur, all air conditioning ventilation systems of the platform can be quickly and simultaneously closed to supply and discharge air to and from the outside.)

1. A centralized air inlet and exhaust system of an offshore nuclear power platform is characterized by comprising a centralized air inlet area, air conditioning equipment, ventilation equipment, an air exhaust pipeline and a centralized air exhaust area, wherein the centralized air inlet area and the centralized air exhaust area are respectively arranged at two sides of the offshore nuclear power platform, and an inlet of the centralized air inlet area and an outlet of the centralized air exhaust area are respectively communicated with the outside atmosphere; the air conditioning equipment is arranged in an air conditioning room of the offshore nuclear power platform, an air inlet pipeline of the air conditioning equipment is communicated with the centralized air inlet area, and an air outlet pipeline of the air conditioning equipment is communicated with each service cabin of the offshore nuclear power platform through an air conditioning ventilation accessory; the ventilation equipment is arranged in a fan chamber of the offshore nuclear power platform, the ventilation equipment is arranged on an exhaust pipeline, the exhaust pipeline with an inlet provided with an air conditioner ventilation accessory extends into each service cabin of the offshore nuclear power platform, and an outlet of the exhaust pipeline is communicated with the centralized exhaust area through a non-return air valve.

2. The offshore nuclear power platform centralized air intake and exhaust system of claim 1, wherein the centralized air intake and exhaust system is further provided with a fresh air pipeline, a ventilation device is arranged on the fresh air pipeline, an inlet of the fresh air pipeline is communicated with the centralized air intake area, and an outlet of the fresh air pipeline is provided with an air conditioning ventilation accessory and extends into a cabin of the offshore nuclear power platform.

3. The offshore nuclear power platform centralized air intake and exhaust system of claim 1, wherein the centralized air intake area comprises a centralized air intake chamber and a plurality of sequentially arranged and communicated air intake surrounding wells, the centralized air intake chamber is communicated with the outside atmosphere through an air grid, and the centralized air intake chamber is communicated with the first air intake surrounding well through a pneumatic closing device; each air inlet pipeline and each fresh air pipeline are respectively communicated with the air inlet surrounding well.

4. The offshore nuclear power platform centralized air intake and exhaust system of claim 1, wherein the centralized air exhaust area comprises a centralized air exhaust chamber and a plurality of sequentially arranged and communicated air exhaust trunk wells, an inlet of the centralized air exhaust chamber is communicated with a tail air exhaust trunk well through a pneumatic closing device, and an outlet of the centralized air exhaust chamber is communicated with the outside atmosphere through an air grid; the exhaust pipeline is communicated with the exhaust surrounding well.

5. The offshore nuclear power platform centralized air intake and exhaust system of claim 3, wherein the air conditioning chamber is disposed adjacent to the air intake trunk.

6. The centralized air intake and exhaust system of an offshore nuclear power platform of claim 4, wherein the fan chamber is disposed adjacent to the air intake trunk or the air exhaust trunk.

Technical Field

The invention relates to the technical field of air conditioning ventilation, in particular to a centralized air intake and exhaust system of an offshore nuclear power platform.

Background

In a discrete air inlet and exhaust system of an offshore nuclear power platform, an air inlet and exhaust grille, a ventilating duct, a ventilating port and other external openings and a surrounding well are arranged nearby according to cabin ventilation requirements, so that the number of the external openings of the whole platform is large, and the cleanness and the attractiveness of the platform are affected by a mushroom-type or gooseneck ventilating duct; meanwhile, when safety accidents such as nuclear leakage and the like or natural disasters such as typhoons and the like occur, the dispersed openings cannot be quickly and remotely closed, so that the personal safety of personnel in the platform is threatened to a certain extent.

Disclosure of Invention

The invention aims to provide a concentrated air inlet and exhaust system of an offshore nuclear power platform with few external openings, aiming at the defects of the prior art.

The technical scheme adopted by the invention is as follows: a centralized air inlet and exhaust system of an offshore nuclear power platform comprises a centralized air inlet area, air conditioning equipment, ventilation equipment, an air exhaust pipeline and a centralized air exhaust area, wherein the centralized air inlet area and the centralized air exhaust area are respectively arranged at two sides of the offshore nuclear power platform, and an inlet of the centralized air inlet area and an outlet of the centralized air exhaust area are respectively communicated with the outside atmosphere; the air conditioning equipment is arranged in an air conditioning room of the offshore nuclear power platform, an air inlet pipeline of the air conditioning equipment is communicated with the centralized air inlet area, and an air outlet pipeline of the air conditioning equipment is communicated with each service cabin of the offshore nuclear power platform through an air conditioning ventilation accessory; the ventilation equipment is arranged in a fan chamber of the offshore nuclear power platform, the ventilation equipment is arranged on an exhaust pipeline, the exhaust pipeline with an inlet provided with an air conditioner ventilation accessory extends into each service cabin of the offshore nuclear power platform, and an outlet of the exhaust pipeline is communicated with the centralized exhaust area through a non-return air valve.

According to the scheme, the centralized air intake and exhaust system is additionally provided with a fresh air pipeline, ventilation equipment is arranged on the fresh air pipeline, an inlet of the fresh air pipeline is communicated with the centralized air intake area, and an outlet of the fresh air pipeline is provided with an air conditioning ventilation accessory and extends into a cabin of the offshore nuclear power platform.

According to the scheme, the concentrated air inlet area comprises a concentrated air inlet chamber and a plurality of air inlet surrounding wells which are sequentially arranged and communicated, the concentrated air inlet chamber is communicated with the outside atmosphere through an air grid, and the concentrated air inlet chamber is communicated with the first air inlet surrounding well through a pneumatic closing device; each air inlet pipeline and each fresh air pipeline are respectively communicated with the air inlet surrounding well.

According to the scheme, the concentrated exhaust area comprises a concentrated exhaust chamber and a plurality of exhaust enclosing wells which are sequentially arranged and communicated, the inlet of the concentrated exhaust chamber is communicated with the tail exhaust enclosing well through a pneumatic closing device, and the outlet of the concentrated exhaust chamber is communicated with the outside atmosphere through an air grid; the exhaust pipeline is communicated with the exhaust surrounding well.

According to the scheme, the air conditioning chamber is adjacent to the air inlet surrounding well.

According to the scheme, the fan chamber is arranged adjacent to the air inlet surrounding well or the air exhaust surrounding well.

The invention has the beneficial effects that: the centralized air intake and exhaust areas are arranged on two sides of the offshore nuclear power platform and comprise air intake and exhaust enclosing wells and centralized air intake and exhaust chambers communicated with the outside atmosphere, so that when safety accidents such as nuclear leakage and the like or natural disasters such as typhoons and the like occur, all air conditioning ventilation systems of the platform can be quickly and simultaneously closed to supply and exhaust air inlets to the outside; meanwhile, the centralized arrangement of the external opening can effectively reduce the workload of later maintenance and achieve the purposes of safety, practicability and attractiveness.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Wherein: 1. an air grille; 2. a pneumatic closing device; 3. an air conditioning device; 4. an air conditioning ventilation accessory; 5. a ventilation device; 6. a non-return air valve; 7. an offshore nuclear power platform; 8. a fan chamber; 9. an air conditioning room; 10. an air inlet pipeline; 11. an exhaust duct; 12. an air outlet pipeline; 13. a service compartment; 14. a centralized air inlet chamber; 15. a centralized exhaust chamber; 16. an air exhaust surrounding well; 17. a fresh air duct; 18. and (4) air inlet surrounding wells.

Detailed Description

For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings.

The centralized air inlet and exhaust system of the offshore nuclear power platform 7 shown in fig. 1 comprises a centralized air inlet area, an air conditioning device 3, a ventilation device 5, an exhaust pipeline 11 and a centralized exhaust area, wherein the centralized air inlet area and the centralized exhaust area are respectively arranged at two sides of the offshore nuclear power platform 7, and an inlet of the centralized air inlet area and an outlet of the centralized exhaust area are respectively communicated with the outside atmosphere; the air conditioning equipment 3 is arranged in an air conditioning room 9 of the offshore nuclear power platform 7, an air inlet pipeline 10 of the air conditioning equipment 3 is communicated with a centralized air inlet area, and an air outlet pipeline 12 of the air conditioning equipment 3 is communicated with each service cabin 13 of the offshore nuclear power platform 7 through an air conditioning ventilation accessory 4, such as a living cabin, a walkway, a toilet, an equipment cabin and the like; the ventilation equipment 5 is arranged in a fan room 8 of the offshore nuclear power platform 7, the ventilation equipment 5 is installed on an exhaust pipeline 11, the exhaust pipeline 11 with the inlet provided with the air-conditioning ventilation accessory 4 extends into each service cabin 13 of the offshore nuclear power platform 7, and the outlet of the exhaust pipeline 11 is communicated with a centralized exhaust area through a non-return air valve 6.

Preferably, a fresh air pipeline 17 is additionally arranged in the centralized air intake and exhaust system, a ventilation device 5 is arranged on the fresh air pipeline 17, an inlet of the fresh air pipeline 17 is communicated with the centralized air intake area, and an outlet of the fresh air pipeline 17 is provided with an air-conditioning ventilation accessory 4 and extends into a cabin of the offshore nuclear power platform 7.

Preferably, the concentrated air inlet area comprises a concentrated air inlet chamber 14 and a plurality of air inlet surrounding wells 18 which are sequentially arranged and communicated, the concentrated air inlet chamber 14 is communicated with the outside atmosphere through an air grille 1, and the concentrated air inlet chamber 14 is communicated with the first air inlet surrounding well 18 through a pneumatic closing device 2; each air inlet pipeline 10 and each fresh air pipeline 17 are respectively communicated with an air inlet surrounding well 18. In this embodiment, the pneumatic closing device 2 is a conventional means, and will not be described herein.

Preferably, the concentrated exhaust area comprises a concentrated exhaust chamber 15 and a plurality of exhaust enclosing wells 16 which are sequentially arranged and communicated, the inlet of the concentrated exhaust chamber 15 is communicated with the tail exhaust enclosing well 16 through a pneumatic closing device 2, and the outlet of the concentrated exhaust chamber 15 is communicated with the outside atmosphere through an air grid 1; the exhaust duct 11 is communicated with an exhaust enclosure 16.

Preferably, the air conditioning chamber 9 is arranged adjacent to the air intake enclosure shaft 18; the fan room 8 is arranged adjacent to the air intake surrounding well 18 or the air exhaust surrounding well 16.

In this embodiment, the structures and common principles of the air conditioning equipment 3, the ventilation equipment 5, the air conditioning ventilation accessory 4, the air grille 1, the pneumatic closing device 2 and the like are all the prior art, and are not described herein again.

The implementation process of the centralized air intake and exhaust system comprises the following steps:

step S1: a centralized air inlet and exhaust enclosure well 16 and a centralized air inlet and exhaust room which meet the requirements of relevant specifications are arranged according to watertight areas, fireproof divisions and the like, and an air conditioner and a fan room 8 are arranged near the centralized air inlet and exhaust enclosure well 16 as much as possible;

step S2: a pneumatic closing device 2 is arranged on the cabin wall of the centralized air inlet and outlet chamber and the adjacent cabin wall of the air inlet and outlet surrounding well 16, and the pneumatic closing device 2 is driven by compressed air provided by the existing pneumatic control system;

step S3: the air conditioning equipment 3, the ventilation equipment 5 and the like are respectively communicated with the air inlet and exhaust surrounding well 16 through air pipes, and all the exhaust pipelines 11 communicated with the air exhaust surrounding well 16 are additionally provided with the non-return air valves 6 to prevent air blowby among different cabins.

The working principle of the invention is as follows: outside air enters the air inlet surrounding well 18 through the centralized air inlet chamber 14, the air conditioning equipment 3 and the ventilation equipment 5 are respectively communicated with the air inlet surrounding well 18 through the air inlet pipeline 10 and the fresh air pipeline 17, and fresh air is sent into the service cabin 13 of the offshore nuclear power platform 7. The peculiar smell, the poisonous and harmful gas, the high temperature and other gases generated in the service cabin 13 are exhausted into the air exhaust surrounding well 16 through the ventilation device 5, and the gas in the air exhaust surrounding well 16 is exhausted into the centralized air exhaust chamber 15 through the acting force of fan residual pressure and the like and then flows into the outside atmosphere. When safety accidents such as nuclear leakage and the like or natural disasters such as typhoons and the like occur, the pneumatic closing device 2 simultaneously closes all external air inlet and outlet ports within 3s to form a closed area in the cabin, so that time is provided for people to evacuate to a collective protection area, and the safety of the people in the platform is ensured. After the pneumatic closing device 2 is closed, the air conditioning equipment 3 connected with the centralized air inlet and outlet surrounding well is converted into a closed circulation working condition, and the ventilation equipment 5 connected with the centralized air inlet and outlet surrounding well is stopped.

It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications can be made to the technical solutions described in the above-mentioned embodiments, or equivalent substitutions of some technical features, but any modifications, equivalents, improvements and the like within the spirit and principle of the present invention shall be included in the protection scope of the present invention.