阅读说明：本技术 一种抑制海洋环境影响的非能动余热排出热阱装置 (A kind of passive residual heat removal hot trap device for inhibiting marine environment to influence ) 是由 王畅 师二兵 陈万青 孙露 刘辰 于 2019-09-03 设计创作，主要内容包括：本发明公开了一种抑制海洋环境影响的非能动余热排出热阱装置,包括由冷却水舱上分体和冷却水舱下分体构成的冷却水舱,冷却水舱上分体设于冷却水舱下分体的上部,冷却水舱上分体的顶部设置有与大气环境连通的排汽口；冷却水舱上分体的底部与冷却水舱下分体的顶部通过若干间隔布置的过流口连通；冷却水舱上分体的底部两侧连接有回流管道,回流管道向冷却水舱下分体的方向延伸且与冷却水舱下分体的内底部连通；非能动余热排出冷却器设于冷却水舱下分体的内部且其淹没于冷却水舱下分体内的冷却水中。本发明的有益效果为：本发明避免了因摇摆等海洋环境导致的冷却水舱内液体晃荡使非能动余热排出冷却器裸露,有利于非能动余热排出系统的稳定运行。(The invention discloses a kind of passive residual heat removal hot trap devices that inhibition marine environment influences, including by the seperated cooling water tank constituted under seperated and cooling water tank on cooling water tank, seperated on cooling water tank to be set to top seperated under cooling water tank, seperated top is provided with the steam drain being connected to atmospheric environment on cooling water tank；The seperated bottom top seperated under cooling water tank is connected to by several spaced apart overcurrent mouths on cooling water tank；Seperated two sides of the bottom are connected with reflux line on cooling water tank, and reflux line extends to direction seperated under cooling water tank and the interior bottom seperated under cooling water tank is connected to；Passive residual heat removal cooler is set to inside seperated under cooling water tank and it is submerged in lower point of intracorporal cooling water of cooling water tank.The invention has the benefit that being conducive to the stable operation of passive residual heat removal system the invention avoids keeping passive residual heat removal cooler exposed because cooling down liquid sloshing in water tank caused by waving grade marine environment.)

1. a kind of passive residual heat removal hot trap device for inhibiting marine environment to influence, which is characterized in that including by cooling water tank The seperated cooling water tank constituted under upper seperated and cooling water tank, it is seperated on cooling water tank to be set to top seperated under cooling water tank, Seperated top is provided with the steam drain being connected to atmospheric environment on cooling water tank；Seperated bottom and cooling water on cooling water tank Seperated top is connected to by several spaced apart overcurrent mouths under cabin；Seperated two sides of the bottom are connected with reflux on cooling water tank Pipeline, reflux line extends to direction seperated under cooling water tank and the interior bottom seperated under cooling water tank is connected to；It is passive Residual heat removal cooler is set to inside seperated under cooling water tank and it is submerged in lower point of intracorporal cooling water of cooling water tank, non- The thermal source outlet of the thermal source inlet of active Residual heat removal cooler and passive residual heat removal cooler respectively with it is passive remaining Hot discharge system pipeline connection.

2. the passive residual heat removal hot trap device for inhibiting marine environment to influence as described in claim 1, which is characterized in that In On cooling water tank it is seperated in transversely/longitudinally disposed several horizontal baffles, several vertical clapboards are vertically set, horizontal baffle and Vertical clapboard will be divided into multiple cavities by fission on cooling water tank, by being set to horizontal baffle or vertical between two neighboring cavity Through-hole connection on partition.

3. the passive residual heat removal hot trap device for inhibiting marine environment to influence as claimed in claim 2, which is characterized in that institute State and set several vertical antipriming pipes on cooling water tank in fission, antipriming pipe includes the tube body of both ends open, the lower port of tube body with Overcurrent mouth is connected, and the upper port of the tube body internal upper part seperated on cooling water tank is connected to.

4. the passive residual heat removal hot trap device for inhibiting marine environment to influence as claimed in claim 3, which is characterized in that institute It states tube body and opens up multiple hole groups along short transverse, each hole group is made of the flowing hole that multiple circumferentially uniform intervals open up.

5. the passive residual heat removal hot trap device for inhibiting marine environment to influence as claimed in claim 4, which is characterized in that more Hole pipe sequentially passes through horizontal baffle.

6. the passive residual heat removal hot trap device for inhibiting marine environment to influence as described in claim 1, which is characterized in that institute Stating passive residual heat removal cooler is cooling coil, thermal source inlet pass through under cooling water tank after seperated upper side wall with it is passive Residual heat removal system pipeline connection, thermal source outlet pass through under cooling water tank after seperated lower wall with passive residual heat removal system pipe Road connection.

Technical field

The present invention relates to floating nuclear power platform engineered safeguards features technical fields, and in particular to a kind of inhibition marine environment The passive residual heat removal hot trap device of influence.

Background technique

Floating nuclear power platform is set to sea, is influenced by marine environment, floating nuclear power platform exterior guarantee condition has Limit.Therefore, when Nuclear Power System engineered safeguards features design, should be considered as putting into without exterior power as far as possible makes Non-passive safety technology improves safety and reliability.

The advanced nuclear power technologies such as AP1000, APR1400, the imperial No.1 of China are all made of traditional passive residual heat removal method, Heat exchanger or cooler are arranged in big volume pond, utilize the heat for storing water boiling evaporation discharge reactor core decay in pond Amount.However, being found during different model passive residual heat removal system researching and designing, passive residual heat removal system operation When, pond inside cooling water temperature is unevenly distributed, it may appear that thermal stratification influences the operation of passive residual heat removal system Efficiency and stability；And when this traditional passive residual heat removal method is applied to floating nuclear power platform, due to certainly It is larger by liquid level, it the movements such as waves in marine environment lower platform and easily leads to pond liquid level and rock, it can when low liquid level in pond Heat exchanger can be made exposed, it is difficult to guarantee the stable operation of passive residual heat removal system.

Summary of the invention

It is an object of the present invention in view of the deficiencies of the prior art, provide a kind of inhibition marine environment influence it is passive Residual heat removal hot trap device solves cooling water temperature inside cooling water tank in the prior art and is unevenly distributed, cold water cabin low liquid level When liquid level rock easily the problems such as keeping heat exchanger exposed.

The technical solution adopted by the present invention are as follows: a kind of passive residual heat removal hot trap device for inhibiting marine environment to influence, It is seperated on cooling water tank to be set to cooling water tank including the cooling water tank being made of fission under seperated and cooling water tank on cooling water tank The top of lower fission cools down top seperated on water tank and is provided with the steam drain being connected to atmospheric environment；It is seperated on cooling water tank The bottom top seperated under cooling water tank pass through several spaced apart overcurrent mouths connections；Seperated bottom on cooling water tank Two sides are connected with reflux line, and reflux line extends to direction seperated under cooling water tank and the interior bottom seperated under cooling water tank Portion's connection；Passive residual heat removal cooler is set to inside seperated under cooling water tank and it is submerged under cooling water tank in fission Cooling water in, the thermal source inlet of passive residual heat removal cooler and the thermal source outlet of passive residual heat removal cooler are divided equally Not with passive residual heat removal system pipeline connection.

According to the above scheme, interior transversely/longitudinally disposed several horizontal baffles of fission on cooling water tank, if being vertically arranged Dry vertical clapboard, horizontal baffle and vertical clapboard will be divided into multiple cavities by fission on cooling water tank, between two neighboring cavity Pass through the through-hole connection being set on horizontal baffle or vertical clapboard.

According to the above scheme, several vertical antipriming pipes are set in fission on the cooling water tank, antipriming pipe includes both ends open Tube body, the lower port of tube body is connected with overcurrent mouth, and the upper port of the tube body internal upper part seperated on cooling water tank is connected to.

According to the above scheme, the tube body opens up multiple hole groups along short transverse, each hole group by it is multiple circumferentially uniformly between Separate the flowing hole composition set.

According to the above scheme, antipriming pipe sequentially passes through horizontal baffle.

According to the above scheme, the passive residual heat removal cooler is cooling coil, and thermal source inlet passes through cooling water tank With passive residual heat removal system pipeline connection after lower fission upper side wall, thermal source outlet is after seperated lower wall under cooling water tank With passive residual heat removal system pipeline connection.

The invention has the benefit that

1, cooling water tank of the present invention is designed using two-piece unit, reduces volume seperated under cooling water tank, non-energy Dynamic Residual heat removal cooler is arranged under cooling water tank in fission, under conditions of same water loading amount, increases the height of cooling water tank It spends, can extend passive residual heat removal cooler floods duration, can effectively avoid because cooling caused by waving equal marine environment Liquid sloshing keeps passive residual heat removal cooler exposed in water tank, is conducive to the stable operation of passive residual heat removal system, Improve the marine environment adaptability of hot trap device.

2, present invention design antipriming pipe constitutes the ascent stage runner of cooling water, and design reflux line constitutes the decline of cooling water Duan Liudao, cooling water are established inside by ascent stage flowing and descending branch runner and are circulated, enhance cold and hot in cooling water tank The Natural Circulation of water and the mixing of hot and cold water, reduce the temperature gradient in cooling water tank, promote cooling water tank internal temperature point Cloth is uniform；Meanwhile descending branch runner can make a point intracorporal cooling water on cooling water tank seperated under being replenished in time into cooling water tank Inside flood heat exchanger.

3, antipriming pipe is designed in the present invention, the seperated raised hot water of temperature entered passes through on antipriming pipe under cooling water tank Flowing hole it is seperated on cooling water tank in mixing, can inhibit the thermal stratification of cooling water in fission on cooling water tank, promoted The duration of cooling capacity, it is ensured that passive residual heat removal system stable and high effective operation.

4, the present invention sets the partition for being provided with through-hole on cooling water tank in fission, fission on cooling water tank is divided into multiple Cavity reduces surface area-height ratio numerical value, it is suppressed that free surface sloshing phenomenon.

Detailed description of the invention

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

Fig. 2 is the top view of Fig. 1.

Wherein, seperated on 1-cooling water tank, seperated, 3-passive residual heat removal coolers under 2-cooling water tanks, 4- Antipriming pipe, 5-reflux lines, 6-vertical clapboards, 7-thermal source inlets, 8-thermal source outlets, 9-steam drains, 10, horizontal baffle.

Specific embodiment

For a better understanding of the present invention, the present invention is further described in the following with reference to the drawings and specific embodiments.

The passive residual heat removal hot trap device that a kind of inhibition marine environment as depicted in figs. 1 and 2 influences, including by cold But the cooling water tanks that fission 2 is constituted under fission 1 and cooling water tank on water tank, fission 1 is set to cooling lower point of water tank on cooling water tank The top of body 2, the top for cooling down fission 1 on water tank are provided with the steam drain 9 being connected to atmospheric environment；Fission 1 on cooling water tank Bottom (can uniform intervals setting) be connected to by several spaced apart overcurrent mouths under cooling water tank seperated 2 top；It is cold But the two sides of the bottom of fission 1 are connected with reflux line 5 on water tank, reflux line 5 extend to the direction of fission 2 under cooling water tank and It is connected to under cooling water tank seperated 2 interior bottom；Passive residual heat removal cooler 3 is set to the inside of fission 2 under cooling water tank And it is submerged in the cooling water under cooling water tank in fission 2, the thermal source inlet 7 and non-energy of passive residual heat removal cooler 3 The thermal source outlet 8 of dynamic Residual heat removal cooler 3 respectively with passive residual heat removal system pipeline connection.It is cooling in the present invention Cooling water is full of under water tank in fission 2.

In the present invention, transversely/longitudinally disposed several vertical clapboards 6 in fission 1, set along short transverse on cooling water tank Multiple cavities will be divided by fission 1 on cooling water tank by setting several horizontal baffles 10, horizontal baffle 10 and vertical clapboard 6, and adjacent two It is connected between a cavity by the through-hole being set on horizontal baffle 10 or vertical clapboard 6.

In the present invention, several vertical antipriming pipes 4 are set on the cooling water tank in fission 1, antipriming pipe 4 includes both ends open Tube body, the lower port of tube body is connected with overcurrent mouth, the upper port of tube body on cooling water tank seperated 1 internal upper part connection；Institute It states tube body and opens up multiple hole groups along short transverse, each hole group is made of the flowing hole that multiple circumferentially uniform intervals open up.

In the present invention, antipriming pipe 4 sequentially passes through horizontal baffle 10, and specifically, antipriming pipe 4, which passes through, to be set on horizontal baffle 10 Through-hole.

In the present invention, the passive residual heat removal cooler 3 is cooling coil, and thermal source inlet 7 passes through cooling water tank With passive residual heat removal system pipeline connection after lower seperated 2 upper side wall, thermal source outlet 8 is on the downside of fission 2 under cooling water tank After wall with passive residual heat removal system pipeline connection.

Cooling water is full of in fission 2 under original state, cooling water tank, fission 1 fills a part of cooling water on cooling water tank, Passive residual heat removal cooler 3 is submerged under cooling water tank in the cooling water of fission 2.When passive residual heat removal system is put into After operation, the fluid (heat source) in passive residual heat removal system pipeline is entered by the heat source of passive residual heat removal cooler 3 Mouth 7 enters passive residual heat removal cooler 3, cools down after exchanging heat with the cooling water under cooling water tank seperated 2, after temperature reduces Fluid be back in passive residual heat removal system pipeline by the thermal source outlet 8 of passive residual heat removal cooler 3, start It recycles next time.The cooling water of fission 2 absorbs thermal temperature and increases under cooling water tank, and the hot water after temperature increases passes through antipriming pipe 4 flowing hole enters on cooling water tank in fission 1, and intracorporal by the through-hole on partition and seperated 1 each chamber on cooling water tank Cold water mix.Cold water on cooling water tank in fission 1 is flowed into seperated under cooling water tank via the through-hole of partition by return flow line In 2, continue cooling passive residual heat removal cooler 3.After the water in cooling water tank reaches bulk boiling state, the steaming of generation Vapour passes through 9 row of steam drain on cooling water tank at the top of fission 1 to atmospheric environment.Incline although marine environment may cause system and be in Tiltedly, it the states such as waves, is provided with the partition with aperture in fission 2 under cooling water tank, and cool down under water tank fission 2 always in full Water state, the influence of phenomena such as effectively liquid level caused by ocean condition being inhibited to rock to system operation.

The above is presently preferred embodiments of the present invention, but the present invention should not be limited to the embodiment and attached drawing institute Disclosure.So all do not depart from the lower equivalent or modification completed of spirit disclosed in this invention, guarantor of the present invention is both fallen within The range of shield.It is detached from the lower equivalent or modification completed of spirit disclosed in this invention, both falls within the scope of protection of the invention.