JPH049598Y2 - - Google Patents
Info
- Publication number
- JPH049598Y2 JPH049598Y2 JP1984005166U JP516684U JPH049598Y2 JP H049598 Y2 JPH049598 Y2 JP H049598Y2 JP 1984005166 U JP1984005166 U JP 1984005166U JP 516684 U JP516684 U JP 516684U JP H049598 Y2 JPH049598 Y2 JP H049598Y2
- Authority
- JP
- Japan
- Prior art keywords
- compartment
- air
- switching valve
- liquid metal
- bypass line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000000443 aerosol Substances 0.000 claims description 14
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 13
- 238000001816 cooling Methods 0.000 description 14
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 12
- 229910052708 sodium Inorganic materials 0.000 description 12
- 239000011734 sodium Substances 0.000 description 12
- 238000004378 air conditioning Methods 0.000 description 11
- 239000002826 coolant Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Central Air Conditioning (AREA)
Description
【考案の詳細な説明】
本考案は、液体金属冷却型原子炉建屋等におけ
る区画室の空気調和装置に関するものである。[Detailed Description of the Invention] The present invention relates to an air conditioner for a compartment in a liquid metal cooled nuclear reactor building or the like.
高速増殖炉プラント（FBR）について従来例
を説明すると、冷却材として用いられている高温
液体ナトリウムが配管破損等で漏洩した場合を想
定してその事故に対処できるように設計されてお
り、前記想定事故の対応策として、前記原子炉建
屋には分割された複数の小区画室が設けられ、ま
た、前記高温液体ナトリウムの各冷却ループ（前
記ナトリウムが循環される配管、機器の冷却ルー
プ、通常、複数のループがある）ごとに、空調設
備を含めて分離された系統になつている。 To explain a conventional example of a fast breeder reactor plant (FBR), it is designed to be able to deal with an accident in the event that high-temperature liquid sodium used as a coolant leaks due to pipe breakage, etc. As a countermeasure against accidents, the reactor building is divided into a plurality of small compartments, and each cooling loop for the high-temperature liquid sodium (piping through which the sodium is circulated, equipment cooling loops, There are separate loops for each system, including air conditioning equipment.
また、従来より提案されている前記区画室の空
気調和装置は、第１図に示すように空調対象の区
画室１に出、入口隔離弁２，３を介して連結され
た室内空気循環用の配管４、配管４の途中に設け
られたクーリングコイルユニツト５、同じく区画
室１の空気を強制循環フアンケーシング６付のフ
アン７、およびナトリウム漏洩を検知するセンサ
ー８等によつて構成され、区画室１内の暖められ
た空気が、フアン７により区画室１から配管４内
へ導入されてクーリングコイルユニツト５の冷媒
で冷却されたのち、再び区画室１内へ循環される
クローズドサイクルの運転になつているととも
に、区画室１内で火災発生即ちナトリウム火災が
発生するとナトリウムエアロゾルが発生して、該
ナトリウムエアロゾルがフアン、コイル等に付着
して性能低下等をきたすため、区画室１内のナト
リウム漏洩をセンサー８で検知してその検知信号
に基づき出、入口隔離弁２，３を閉にして、区画
室１を隔離してナトリウムエアロゾルが空調対象
の区画室１からリークしないようにする空調隔離
システムになつている。 In addition, as shown in FIG. 1, the air conditioner for a compartment that has been proposed in the past has an air conditioner for indoor air circulation that exits to a compartment 1 to be air-conditioned and is connected via inlet isolation valves 2 and 3. It is composed of a pipe 4, a cooling coil unit 5 installed in the middle of the pipe 4, a fan 7 with a fan casing 6 for forced circulation of the air in the compartment 1, a sensor 8 for detecting sodium leakage, etc. The warmed air in the compartment 1 is introduced from the compartment 1 into the piping 4 by the fan 7, cooled by the refrigerant in the cooling coil unit 5, and then circulated back into the compartment 1 for closed cycle operation. In addition, when a fire occurs in compartment 1, that is, a sodium fire occurs, sodium aerosol is generated, and the sodium aerosol adheres to fans, coils, etc., causing performance degradation, resulting in sodium leakage in compartment 1. is detected by a sensor 8 and output based on the detection signal, and the inlet isolation valves 2 and 3 are closed to isolate the compartment 1 to prevent sodium aerosol from leaking from the compartment 1 to be air-conditioned. It's getting old.
しかし、従来の前記空気調和装置においては、
前記火災発生時に前記空調システムにより出、入
口隔離弁を瞬時に作動させて区画室を隔離し、前
記ナトリウムエアロゾルが区画室から空調システ
ムの配管内へリークするのを防止することは実際
上不可能であつて、空調システムの性能低下をも
たらし、また、区画室が隔離されるため、区画室
内の温度が急上昇してそのライナー、コンクリー
ト、機器、計器類等の許容温度を超えてそれらが
焼損されるなどの欠点がある。 However, in the conventional air conditioner,
In the event of a fire, it is practically impossible to instantly activate the inlet isolation valve to isolate the compartment and prevent the sodium aerosol from leaking from the compartment into the piping of the air conditioning system. This can lead to a decrease in the performance of the air conditioning system, and because the compartment is isolated, the temperature inside the compartment can rise rapidly and exceed the permissible temperature of the liner, concrete, equipment, gauges, etc., causing them to burn out. There are drawbacks such as:
本案は、前記のような実情に鑑みて考案された
ものであつて、液体金属冷却型原子炉建屋等にお
ける区画室の空気調和装置において、前記区画室
の空気を取出して循環する配管の途中に切替弁を
設けかつ該切替弁をバイパスするバイパス切替弁
付のバイパスラインを設けて、前記バイパスライ
ンに液体金属エアロゾルを除去するフイルタを設
けた点に特徴を有し、その目的とする処は、空調
対象の区画室に付設されている空気調和装置の空
気循環用の配管にバイパスラインを設けかつ該バ
イパスラインにフイルタを設けることにより、火
災発生時のナトリウムエアロゾル即ち液体金属エ
アロゾルを除去して空調の連続運転を可能にし、
空調システムを冷却し、循環機器等の性能低下、
区画室内の温度上昇などを防止して前記のような
欠点を解消した空気調和装置を供する点にある。 This proposal was devised in view of the above-mentioned circumstances.In an air conditioner for a compartment in a liquid metal cooled nuclear reactor building, etc., there is a The present invention is characterized in that a bypass line is provided with a switching valve and a bypass switching valve that bypasses the switching valve, and a filter for removing liquid metal aerosol is provided in the bypass line, and its purpose is to: By installing a bypass line in the air circulation piping of the air conditioner attached to the compartment to be air-conditioned and installing a filter in the bypass line, sodium aerosol, that is, liquid metal aerosol in the event of a fire, can be removed and air-conditioned. enables continuous operation of
Cooling the air conditioning system, reducing the performance of circulation equipment, etc.
The object of the present invention is to provide an air conditioner that eliminates the above-mentioned drawbacks by preventing temperature rise within a compartment.
第２図に本考案の一実施例を示しており、図中
１は空調対象の区画室、１４は両端側が区画室１
に連結された空気循環用の配管、１５は配管１４
の途中に設けられたクーリングコイルユニツト、
１７は配管１４の途中に設けられ区画室１内の空
気を強制循環するフアンケーシング１６付のフア
ンであつて、本実施例においては、さらに前記配
管１４の入側における途中に切替弁２０を設ける
とともに、前記切替弁２０をバイパスするバイパ
スライン２１を配管２０の途中に連結し、さら
に、バイパスライン２１の途中に液体金属エアロ
ゾルを除去するフイルタ２２を設けかつその前後
側にバイパス切替弁２３ａ，２３ｂを設けた構成
になつている。 Fig. 2 shows an embodiment of the present invention, in which 1 indicates a compartment to be air-conditioned, and 14 indicates compartments 1 on both ends.
15 is a pipe for air circulation connected to the pipe 14.
A cooling coil unit installed in the middle of
Reference numeral 17 denotes a fan equipped with a fan casing 16, which is installed in the middle of the pipe 14 and forcibly circulates the air in the compartment 1. In this embodiment, a switching valve 20 is further provided in the middle of the inlet side of the pipe 14. At the same time, a bypass line 21 that bypasses the switching valve 20 is connected in the middle of the piping 20, and a filter 22 for removing liquid metal aerosol is provided in the middle of the bypass line 21, and bypass switching valves 23a and 23b are provided on the front and rear sides thereof. The structure has been set up.
また、区画室１内に液体ナトリウム冷却材即ち
液体金属冷却材の漏洩を検知するセンサー２５を
設けて、該センサー２５の検出信号によつて前記
各切替弁２０、バイパス切替弁２３ａ，２３ｂ、
さらにまたクーリングコイルユニツト１５および
フアン１７を後記のように制御するようになつて
いる。 Further, a sensor 25 is provided in the compartment 1 to detect leakage of liquid sodium coolant, that is, liquid metal coolant, and the switching valves 20, bypass switching valves 23a, 23b,
Furthermore, the cooling coil unit 15 and fan 17 are controlled as described later.
さらに、前記配管１４およびバイパスライン２
１、さらにまたクーリングコイルユニツト１５、
フアンケーシング１６、フアン１７、切替弁２
０、フイルタ２２機構、バイパス切替弁２３ａ，
２３ｂ等は、いずれも火災時における空気圧に耐
え得る耐圧機構に設計されている。 Furthermore, the piping 14 and the bypass line 2
1. Furthermore, a cooling coil unit 15,
Fan casing 16, fan 17, switching valve 2
0, filter 22 mechanism, bypass switching valve 23a,
23b and the like are all designed with pressure-resistant mechanisms that can withstand air pressure in the event of a fire.
図示した本考案の実施例は、前記のような構成
になつており、通常の運転時は、切替弁２０を
開、バイパス切替弁２３ａ，２３ｂを閉にして、
従来と同様に空調対象の区画室１内で暖められた
空気は、フアン１７によつて配管１４内に取出さ
れクーリングコイルユニツト１５で冷媒により冷
却されたのち、区画室１内へ循環されて同区画室
１内が所望温度以下に保持されるとともに、区画
室１内で火災が発生した時は、切替弁２０を閉、
バイパス切替弁２３ａ，２３ｂを開にすると、フ
アン１７によつて配管１４へ取出される区画室１
内の液体金属エアロゾルを含む高温の空気がバイ
パスライン２１へバイパスされて、フイルタ２２
によつて前記液体金属エアロゾルが除去されたの
ち、前記除去処理後の空気はクーリングコイルユ
ニツト１５の冷媒によつて冷却され配管１４を通
り再び区画室１内へ循環されて、空調システムの
運転を継続して、区画室１内の液体金属エアロゾ
ルを連続的に除去しつつかつ区画室１内が連続的
に冷却される。 The illustrated embodiment of the present invention has the above-described configuration, and during normal operation, the switching valve 20 is opened and the bypass switching valves 23a and 23b are closed.
As in the past, the air warmed in the compartment 1 to be air-conditioned is taken out into the pipe 14 by the fan 17, cooled by a refrigerant in the cooling coil unit 15, and then circulated into the compartment 1. The temperature inside the compartment 1 is maintained below the desired temperature, and when a fire occurs within the compartment 1, the switching valve 20 is closed.
When the bypass switching valves 23a and 23b are opened, the compartment 1 is taken out to the pipe 14 by the fan 17.
The high temperature air containing the liquid metal aerosol inside is bypassed to the bypass line 21 and passed through the filter 22.
After the liquid metal aerosol is removed by the cooling coil unit 15, the air after the removal treatment is cooled by the refrigerant in the cooling coil unit 15 and circulated through the pipe 14 into the compartment 1 again to operate the air conditioning system. Continuing, the liquid metal aerosol within the compartment 1 is continuously removed and the interior of the compartment 1 is continuously cooled.
また、前記火災発生の原因となる区画室１内の
液体金属冷却材の漏出、存在を前記センサー２５
によつて検知し、該センサー２５の前記検知の信
号によつて切替弁２０を閉、バイパス切替弁２３
ａ，２３ｂを開にし、さらにフアン１７、クーリ
ングコイルユニツト１５が停止している場合はそ
れらを作動する制御によつて、前記火災発生に即
応した自動制御にすることもできる。 Further, the sensor 25 detects the leakage or presence of liquid metal coolant in the compartment 1 which may cause a fire.
The switching valve 20 is closed by the detection signal of the sensor 25, and the bypass switching valve 23 is closed.
A, 23b can be opened, and if the fan 17 and cooling coil unit 15 are stopped, they can be activated to provide automatic control in immediate response to the occurrence of a fire.
前述のように本考案によれば、通常時に従来の
ような空調を行なうことができるとともに、空調
対象の区画室内の火災発生時は、空調システムの
運転を継続した空気循環で、区画室内の液体金属
エアロゾルを含む空気をバイパスライン中のフイ
ルタへ送り込んで同液体金属エアロゾルを連続的
に除去することができ、さらに前記除去処理後の
空気がクーリングコイルユニツト、フアンに送り
込まれるためそれらの性能を低下しないで区画室
内の空気を冷却して循環することができ、空調シ
ステムの機器等の性能低下を防止できるとともに
空調対象の区画室内の温度上昇を効率よく防止で
きて、空調システムとともに区画室設備の損傷を
最少限にすることができる。 As mentioned above, according to the present invention, it is possible to carry out conventional air conditioning during normal times, and in the event of a fire occurring in a compartment to be air-conditioned, the air circulation in the compartment while the air conditioning system continues to operate will cool down the liquid in the compartment. Air containing metal aerosol can be sent to a filter in the bypass line to continuously remove the liquid metal aerosol, and the air after the removal process is sent to the cooling coil unit and fan, reducing their performance. The air inside the compartment can be cooled and circulated without having to cool the air conditioning system, preventing the performance of equipment in the air conditioning system from deteriorating, and efficiently preventing the temperature rise in the compartment being air conditioned. Damage can be minimized.
さらに、前記のようなセンサーによる自動制御
によつて前記効果をさらに助長することができる
とともに、空調システムの配管の途中に前記のよ
うなフイルタを備えたバイパスラインを設けた極
めて簡単な機構の付設によつて前述のような優れ
た作用効果を有する空気調和装置を低コストで提
供でき、また空調システムを耐圧機構の設計にす
ることによつて信頼性が高められる。 Furthermore, the above-mentioned effects can be further enhanced by automatic control using the above-mentioned sensors, and the addition of an extremely simple mechanism in which a bypass line equipped with the above-mentioned filter is installed in the middle of the piping of the air conditioning system. This makes it possible to provide an air conditioner having the above-mentioned excellent functions and effects at a low cost, and by designing the air conditioning system to have a pressure-resistant mechanism, reliability is increased.
第１図は従来の空気調和装置を示す機構図、第
２図は本考案の一実施例を示す機構図である。
１……区画室、１４……配管、１５……クーリ
ングコイルユニツト、１６……フアン、２０……
切替弁、２１……バイパスライン、２２……フイ
ルタ、２３ａ，２３ｂ……バイパス切替弁、２５
……センサー。
FIG. 1 is a mechanical diagram showing a conventional air conditioner, and FIG. 2 is a mechanical diagram showing an embodiment of the present invention. 1... Compartment, 14... Piping, 15... Cooling coil unit, 16... Fan, 20...
Switching valve, 21...Bypass line, 22...Filter, 23a, 23b...Bypass switching valve, 25
……sensor.
Claims (1)
空気調和装置において、前記区画室の空気を取出
して循環する配管の途中に切替弁を設けかつ該切
替弁をバイパスするバイパス切替弁付のバイパス
ラインを設けて、前記バイパスラインに液体金属
エアロゾルを除去するフイルタを設けたことを特
徴とする空気調和装置。 In an air conditioner for a compartment in a liquid metal cooled reactor building, etc., a bypass line is provided with a switching valve in the middle of a pipe that takes out and circulates the air in the compartment, and bypasses the switching valve. An air conditioner further comprising a filter for removing liquid metal aerosol in the bypass line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984005166U JPS60118797U (en) | 1984-01-20 | 1984-01-20 | air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984005166U JPS60118797U (en) | 1984-01-20 | 1984-01-20 | air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60118797U JPS60118797U (en) | 1985-08-10 |
| JPH049598Y2 true JPH049598Y2 (en) | 1992-03-10 |
Family
ID=30481422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984005166U Granted JPS60118797U (en) | 1984-01-20 | 1984-01-20 | air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60118797U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6526461B2 (en) * | 2015-03-30 | 2019-06-05 | 三菱重工業株式会社 | Electric precipitator and nuclear power plant |
-
1984
- 1984-01-20 JP JP1984005166U patent/JPS60118797U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60118797U (en) | 1985-08-10 |
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