JPS62239091A - Method of arranging cooler for air-conditioning in nuclear-reactor container - Google Patents
Method of arranging cooler for air-conditioning in nuclear-reactor containerInfo
- Publication number
- JPS62239091A JPS62239091A JP61082092A JP8209286A JPS62239091A JP S62239091 A JPS62239091 A JP S62239091A JP 61082092 A JP61082092 A JP 61082092A JP 8209286 A JP8209286 A JP 8209286A JP S62239091 A JPS62239091 A JP S62239091A
- Authority
- JP
- Japan
- Prior art keywords
- containment vessel
- air
- cooler
- reactor containment
- cooling
- 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.)
- Pending
Links
- 238000004378 air conditioning Methods 0.000 title claims description 16
- 238000000034 method Methods 0.000 title claims description 6
- 238000001816 cooling Methods 0.000 claims description 35
- 239000000498 cooling water Substances 0.000 claims description 11
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 239000012774 insulation material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003756 stirring 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、原子炉格納容器内の空調システムの冷却器の
配置方法に係り、特に原子炉格納容器内の除熱の高効率
化、及びそれに伴ない冷却器の小型化、ダクト・ダクト
サポート省略化に好適な空調用冷却器の配置方法に関す
る。Detailed Description of the Invention [Field of Industrial Application] The present invention relates to a method for arranging coolers in an air conditioning system in a nuclear reactor containment vessel, and particularly to a method for increasing the efficiency of heat removal in a reactor containment vessel, and The present invention relates to a method of arranging an air conditioning cooler suitable for reducing the size of the cooler and omitting ducts and duct supports.
原子炉格納容器内の空調においては、上部と下部の床上
に冷却器を配置し、高温となった空気を回収して冷却器
にて除熱し、熱源にその冷風を吹きつけるシステムをと
っており、効率の良いものではなかった。これに伴い、
格納容器内の温度分布を均一化させる為、特開昭５７−
１４７９６で上部冷却気体吹出口の下方に旋回用吹出口
を設置することにより攪拌効果を高め効率を良くしよう
とした。Air conditioning inside the reactor containment vessel uses a system in which coolers are placed on the upper and lower floors, the high temperature air is collected, the heat is removed by the coolers, and the cooled air is blown onto the heat source. , it was not efficient. Along with this,
In order to equalize the temperature distribution inside the containment vessel,
14796, an attempt was made to increase the stirring effect and improve efficiency by installing a swirling outlet below the upper cooling gas outlet.
しかし、この発明では温度上昇に伴なう空気の上昇、特
にγシールド・原子炉圧力容器間におけるトンネル効果
による上昇流、及び冷却器のスペース性について考慮さ
れていなかった。However, this invention did not take into account the rise of air due to temperature rise, especially the upward flow due to the tunnel effect between the gamma shield and the reactor pressure vessel, and the space required for the cooler.
上記従来技術は、冷却器スペースに伴なう通路性・作業
性が考慮されてなく、また、温度分布の均一化という点
では、温度上昇に伴なう上昇流・いろいろな構造物によ
る空気流れへの妨害などに対し考慮されていなかった。The above-mentioned conventional technology does not take into account the passageability and workability associated with the cooler space, and in terms of uniform temperature distribution, the upward flow due to temperature rise and air flow due to various structures are not considered. No consideration was given to interference with
本発明は、原子炉圧力容器ペデスタル及びγシールド下
部の周方向に、原子炉格納容器の半径方向及び上下方向
の空気流れを可能とする複数のファンと、原子炉圧力容
器頂部付近に、原子炉格納容器周方向に放射状のフィン
を持つ冷却配管と原子炉格納容器・γシールド間の冷却
配管の僅か下方に下方向の空気流れを可能とする複数の
ファンを設置し、且つ、空気調和冷却器を下部床上に複
数配置することにより、原子炉格納容器内での冷風循環
を確実なものとすることにより、格納容器内除熱の高効
率化、空調用冷却器の小型化、ダクト・ダクトサポート
省略化による通路性・作業性の向上を目的とする。The present invention provides a plurality of fans that enable air flow in the radial direction and vertical direction of the reactor containment vessel in the circumferential direction of the reactor pressure vessel pedestal and the lower part of the gamma shield, and a reactor Multiple fans that enable downward air flow are installed slightly below the cooling piping with radial fins in the circumferential direction of the containment vessel and the cooling piping between the reactor containment vessel and the gamma shield, and an air conditioning cooler is installed. By arranging multiple units on the lower floor to ensure the circulation of cold air within the reactor containment vessel, it is possible to improve the efficiency of heat removal within the containment vessel, downsize air conditioning coolers, and duct support. The purpose is to improve passageability and workability through abbreviation.
〔問題点を解決するための手段〕
上記目的は、沸騰水・型原子力発電設備における、原子
炉格納容器内において、原子炉圧力容器ペデスタル及び
γシールド下部周方向に原子炉格納容器の半径方向及び
上下方向の空気流れを可能とする複数のファン（第１図
参照）と、原子炉圧力容器頂部付近の原子炉格納容器周
方向しこ、放射状のフィンを持ちドライウェル下部より
上昇してくる高温となった空気を冷却し比重を増大させ
原子炉格納容器内下部への循環を確実にする冷却配管（
第１図及び第２図参照）、γシールド・原子炉格納容器
間の冷却配管の僅か下方に、原子炉格納容器下部への空
気循環をより確実なものとする複数のファン、ドライウ
ェル下部床上にドライウェル内の配管により温度上昇し
た空気を冷却する空気調和冷却器を設置することにより
、達成される。[Means for Solving the Problems] The above purpose is to prevent the radial direction and The high temperature rising from the bottom of the drywell has multiple fans (see Figure 1) that allow air to flow in the vertical direction, and radial fins along the circumference of the reactor containment vessel near the top of the reactor pressure vessel. Cooling piping (
(see Figures 1 and 2), several fans are installed slightly below the cooling piping between the gamma shield and the reactor containment vessel to ensure air circulation to the lower part of the reactor containment vessel, and on the lower floor of the dry well. This is achieved by installing an air conditioning cooler that cools the air whose temperature has risen through piping inside the dry well.
沸騰水型原子力発電設備における原子炉格納容器（以下
、ｐｃｖとす）内の熱負荷は分布は、第４図に示す区域
別の比率で表わすと、はぼ表１の様になっている。ｐｃ
ｖ内での最大の熱源は、原子炉圧力容器（以下、ＲＰＶ
とす）保温材からの漏洩熱であり、区域４は、全体の熱
負荷の約３０〔％〕を占めている。また、区域２も同様
に約３０〔％〕を占めている。これは、ＲＰＶ保温材か
らの漏洩熱と主蒸気系配管・再循環系配管等のＲＰＶに
接続された配管の保温材からの漏洩熱から成っているも
のである。従って、区域２・４の漏洩熱を効果的に排除
する必要がある。The distribution of the heat load inside the reactor containment vessel (hereinafter referred to as PCV) in a boiling water nuclear power generation facility is as shown in Table 1 when expressed by the ratio of each area shown in FIG. PC
The largest heat source within the reactor pressure vessel (RPV)
This is heat leakage from the heat insulating material, and zone 4 accounts for approximately 30% of the total heat load. Similarly, area 2 also occupies about 30%. This consists of heat leaked from the RPV insulation material and heat leaked from the insulation materials of piping connected to the RPV, such as main steam system piping and recirculation system piping. Therefore, it is necessary to effectively eliminate the leakage heat in areas 2 and 4.
表１ 格納容器内熱負荷の比率
従来の空調システムにおいては、加熱されて空気は、−
担ＰＣｖ内に拡散された後、冷却器に回収され冷却され
るという効率の悪いものであり、また、冷却器はｐｃｖ
内が狭い上に、配管・トレー・電線管等の制約を受け、
排気ダクト入口と給気ダクト出口を近くに設置せざるを
えなかった。Table 1 Ratio of heat load inside the containment vessel In conventional air conditioning systems, the heated air is -
After being diffused into the carrier PCv, it is collected and cooled by a cooler, which is inefficient.
In addition to being narrow inside, there are restrictions on piping, trays, electrical conduits, etc.
It was necessary to install the exhaust duct inlet and air supply duct outlet close to each other.
また、様々な構造物により、よどみ点で出きるなどアン
バランスが生じる可能性があるという欠点があった。ま
た、これらの理由により、冷却器。In addition, there is a drawback that various structures may cause imbalances such as stagnation points. Also, for these reasons, the cooler.
冷却器接続ファン。給・排気ダクトが大型化し、ｐｃｖ
内をさらに狭まいものにしていた。Cooler connection fan. Supply/exhaust ducts have become larger and PCV
It made the inside even more cramped.
先の公知例では、冷却器等の小型化に重点を置いたが、
本発明では、冷却器等の台数低減に重点を置く。In the previous known example, emphasis was placed on miniaturizing the cooler, etc.
The present invention places emphasis on reducing the number of coolers and the like.
本発明は、放射状の冷却用フィンを持つ円形の冷却用配
管と複数の冷却器等で、ｐ、ｃｖ内冷却システムを構成
させようとするものである。The present invention attempts to construct a p/cv internal cooling system using circular cooling piping having radial cooling fins, a plurality of coolers, and the like.
本発明では、ｐｃｖ・γシールド間の冷却配管で区域２
の冷却（熱負荷約２９〔％〕）、γシールド・ＲＰＶ間
の冷却配管で区域１・４・７・８（熱負荷約４４〔％〕
）の冷却、冷却器等で区域３・５・６（熱負荷約２７〔
％〕）の冷却を行なわせる。これに伴い、上部冷却器を
削除する。In the present invention, in the cooling piping between PCV and γ shield, area 2
cooling (heat load approx. 29 [%]), cooling piping between γ shield and RPV in areas 1, 4, 7, and 8 (heat load approx. 44 [%])
), areas 3, 5, and 6 (heat load approx. 27 [
%]). Along with this, the upper cooler will be removed.
まず、冷却器からの冷風は、ファント２の働きにより区
域４・７・８に導びかれ、区域７・８に導びかれた冷風
は、温度上昇により区域４へ流れ区域４内では、ＲＰＶ
保温材からの漏洩熱によるトンネル効果により上昇し、
ＲＰＶ・γシールド間の冷却配管に至る。ここで冷却さ
れた空気は、区域２を冷却しＰＣｖ・γシールド間の冷
却配管に至る。ここで冷却された空気は、１部はファン
４により区域１を経て区域２へ、他はファン３により区
域３・５・６を経て冷却器へもどる。これが、本発明で
想定した空気の流れである。First, the cold air from the cooler is guided to zones 4, 7, and 8 by the action of fan 2, and the cold air guided to zones 7 and 8 flows to zone 4 due to the temperature rise.
Increases due to the tunnel effect caused by heat leakage from insulation materials,
This leads to the cooling piping between the RPV and γ shield. The air cooled here cools area 2 and reaches the cooling pipe between the PCv and γ shields. One part of the cooled air is returned to the cooler by the fan 4 through the zone 1 and the zone 2, and the other part by the fan 3 through the zones 3, 5, and 6. This is the air flow envisioned in the present invention.
、これらの設定に伴い、上部床上冷却器は省略で声、ま
た、下部床上冷却器は従来の冷却器が区域４・５・６・
７・８の冷却をしていたと想定すると、熱負荷は全体の
約７０〔％〕であり、本発明では約２７〔％〕であるか
ら、システムロスを考えても、従来の容量の５０Ｃ％〕
ですむと考えられる。, With these settings, the upper floor cooler is omitted, and the lower floor cooler is the conventional cooler in areas 4, 5, 6, and
Assuming that 7.8C cooling is performed, the heat load is about 70% of the total, and in the present invention it is about 27%, so even considering system loss, it is 50% of the conventional capacity. ]
It is thought that it will be fine.
以上のように、区域４を１つの配管と考え、ｐｃｖ内に
１つの空気流れを想定し、放射状のフィンを持つ円形の
冷却配管と下部床上の複数の冷却器により理想的な冷却
器の配置を考えることにより、上部床上冷却器の省略化
、これに伴なうダクト・ダクトトレーの省略化、熱除去
の高効率化、これに伴なう下部床上の空調用冷却器の小
型化。As mentioned above, considering area 4 as one pipe, assuming one air flow in PCV, ideal cooler arrangement with circular cooling pipe with radial fins and multiple coolers on the lower floor. By considering this, the upper floor cooler can be omitted, ducts and duct trays can be omitted, heat removal can be made more efficient, and the lower floor air conditioning cooler can be made smaller.
ダクト・ダクトサポート省略化、などが可能となり、こ
れにの省略化・小型化に伴ない、原子炉格納容器内の通
路性・作業性を向上させることが可能となる。It becomes possible to omit ducts and duct supports, and along with this abbreviation and miniaturization, it becomes possible to improve passage and workability within the reactor containment vessel.
以下、本発明の一実施例を第１図〜第３図により説明す
る。第１図は、本発明で想定した理想的な空気の流れ、
空調用冷却器、冷却配管及びファンの配置方法を示した
ものである。第２図は、原子炉圧力容器頂部付近に配置
する冷却配管の構造を示したものである。第３図は、本
発明における冷却水システムを示したものである。An embodiment of the present invention will be described below with reference to FIGS. 1 to 3. Figure 1 shows the ideal air flow assumed in the present invention.
This figure shows how to arrange the air conditioning cooler, cooling piping, and fan. FIG. 2 shows the structure of cooling piping arranged near the top of the reactor pressure vessel. FIG. 3 shows a cooling water system according to the present invention.
第１図において、冷却器９より吹き出される冷風はγシ
ールド下部周方向に配置されたファン１、ＲＰＶペデス
タル中部周方向に配置されたファン２によりγシールド
・ＲＰＶ間（区域４）及びＲＰＶペデスタル内部（区域
７）に導びかれる。In Fig. 1, the cold air blown from the cooler 9 is passed between the γ shield and the RPV (area 4) and between the γ shield and the RPV (area 4) and by a fan 1 placed in the circumferential direction at the bottom of the γ shield and a fan 2 placed in the circumferential direction in the middle of the RPV pedestal. You will be led inside (area 7).
また一部は、冷却による比重増大によりドライウェル下
部（区域８）を冷却し、温度上昇による上昇により冷却
器リングダクト８へ至る。In addition, a portion cools the lower part of the dry well (area 8) due to an increase in specific gravity due to cooling, and reaches the cooler ring duct 8 due to an increase in temperature.
ＲＰＶペデスタルに導びかれた冷風は、内部を冷却し、
温度上昇した空気及び冷風の１部は、ファン２による増
圧、温度上昇による上昇、γシールド・ＲＰＶ間トンネ
ル効果による負圧により、γシールド・ＲＰＶ間に導び
かれる。The cold air guided to the RPV pedestal cools the inside,
A portion of the air and cold air whose temperature has increased is guided between the γ shield and the RPV due to the pressure increase by the fan 2, the increase due to the temperature rise, and the negative pressure due to the tunnel effect between the γ shield and the RPV.
γシールド・ＲＰＶ間に導びかれた空気は、ファン１の
増圧、及び急激な温度上昇に伴なうトンネル効果により
上昇し、γシールド・ＲＰＶ間最間部上部置された放射
状のフィンを持つ円形の冷却配管６（第２図参照）に至
る。The air led between the γ shield and the RPV rises due to the tunnel effect caused by the increased pressure of the fan 1 and the sudden rise in temperature, and passes through the radial fins placed at the uppermost part between the γ shield and the RPV. This leads to a circular cooling pipe 6 (see Fig. 2).
冷却配管６で冷却された空気は、ＲＰＶ上部（区域２）
を冷却し、γシールド・ＲＰＶ間のトンネル効果による
増圧、γシールド・ＲＰＶ間の冷却配管５（第２図参照
）の僅か下方に設置されたファン３による減圧及びこれ
から説明するファン４の増圧により、冷却配管５に至る
。The air cooled by the cooling pipe 6 is transferred to the upper part of the RPV (area 2).
The pressure is increased by the tunnel effect between the γ shield and the RPV, the pressure is reduced by the fan 3 installed slightly below the cooling pipe 5 (see Figure 2) between the γ shield and the RPV, and the pressure is increased by the fan 4, which will be explained below. The pressure leads to the cooling pipe 5.
冷却配管５によって冷却された空気は、比重の増大及び
、ファン３によりドライウェル中部（区域３・５及び６
）を冷却しながらドライウェル下部床上に配置された数
台の空調用冷却器へと導びかれる。また、冷却配管５に
よって冷却された空気の１部は、ＲＰＶ頭部を冷却させ
る為、冷却配管下方よりＲＰＶフランジ部へと冷風を導
びく複数のダクト２１下部に設置したファン４によりダ
クトへ導びかれ、ＲＰＶ頭部（区域１）へ吹き出される
。吹き出された空気は、ＲＰｖ頭部空間を冷却し、ファ
ン４による増圧により、ドライウェル上部（区域３）へ
吹き出され、冷却配管５を経て冷却され、下部床上冷却
器へと致達する。The air cooled by the cooling pipe 5 has an increased specific gravity and is transported to the middle of the dry well (areas 3, 5 and 6) by the fan 3.
) is guided to several air conditioning coolers placed on the lower floor of the drywell. In addition, a part of the air cooled by the cooling pipe 5 is guided to the duct by a fan 4 installed at the bottom of a plurality of ducts 21 that guide cold air from below the cooling pipe to the RPV flange in order to cool the RPV head. and is blown out to the RPV head (area 1). The blown air cools the RPv head space, is blown out to the upper part of the drywell (area 3) by increasing the pressure by the fan 4, is cooled through the cooling piping 5, and reaches the lower floor cooler.
ここで、ファン２は、ＲＰＶペデスタル下部まで冷却で
きる様に、ドライウェル最下部に設置し、また・冷却配
管５及び６では、水蒸気の凝結が考えられる為、冷却配
管下方にトレーを設ける。Here, the fan 2 is installed at the lowest part of the dry well so that it can cool down to the bottom of the RPV pedestal, and a tray is installed below the cooling pipes 5 and 6, since condensation of water vapor is likely.
これらの空調用冷却器に冷却水を供給するシステムを図
示したものが、第３図である。これよりｐｃｖ内の冷却
水配管が従来より単純なものとなっていることがわかる
。FIG. 3 illustrates a system for supplying cooling water to these air conditioning coolers. It can be seen from this that the cooling water piping inside the PCV is simpler than before.
以上のように、理想的な空気流れを想定することにより
、ｐｃｖ内の除熱の高効率化、これに伴う空調用冷却器
の小型化及び省略化、ダクト・ダクトサポートの省略化
が可能となり、通路性・作゛業性の向上といった効果が
ある。As described above, by assuming the ideal air flow, it is possible to improve the efficiency of heat removal inside the PCV, thereby making it possible to downsize and omit air conditioning coolers, and to omit ducts and duct supports. This has the effect of improving passageability and workability.
［発明の効果〕
本発明によれば、理想的な空気流れによる冷却が可能と
なる為、下記効果が挙げられる。[Effects of the Invention] According to the present invention, cooling can be performed using an ideal air flow, so that the following effects can be brought about.
１）ＰＣＶＣ最内の発熱部であるＲＰＶ保温材からの漏
洩熱の効果的除熱。1) Effectively removes leakage heat from the RPV insulation material, which is the innermost heat generating part of the PCVC.
ｉｉ）冷却配管設置による空気流九の理想化、これに伴
なう除熱の高効率化による上部床上冷却器の省略化、下
部床上冷却器の小型化、これらに伴なうダクト・ダクト
サポートの省略化。ii) Idealization of airflow by installing cooling piping, omitting the upper floor cooler by increasing the efficiency of heat removal, miniaturizing the lower floor cooler, and duct/duct support associated with these. abbreviation.
ｆｉｔ） ｉｉ）に伴なうｐｃｖ内の通路性・作業性の
向上。fit) Improving passage and workability within the PCV in conjunction with ii).
ｔｖ） ｉｉ）に伴なう建設費の低減。tv) Reduction of construction costs associated with ii).
第１図は本発明において想定した空気流れ及び空調設備
配置方法を示す図、第２図は本発明において提案する冷
却配管を示す図、第３図は本発明における冷却水システ
ムを示す図、第４図はＰＣｖ内熱負荷区分図、第５図は
従来用いられていた冷却水システムを示す図である。
１〜４・・・冷却ファン、５・・・ＰＣｖ・γシールド
間冷却配管、６・・・γシールド・ＲＰＶ間冷却配管、
７・・・冷却器ファン、８・・・冷却系リングダクト、
９・・・冷却器、１０・・・原子炉格納容器、１１・・
・原子炉圧力容器、１２・・・γシールド、１３・・・
ペデスタル、１４・・・スタビライザ、１５・・・冷却
水給水配管、１６・・・冷却水排水配管、１７・・・冷
却水給水ポンプ。
１８・・・熱交換器、１９・・・−次系冷却水給水配管
、２０・・・−次系冷却水給水ポンプ、２１・・・ダク
ト。Fig. 1 is a diagram showing the air flow and air conditioning equipment arrangement method assumed in the present invention, Fig. 2 is a diagram showing the cooling piping proposed in the present invention, Fig. 3 is a diagram showing the cooling water system in the present invention, FIG. 4 is a heat load classification diagram within the PCv, and FIG. 5 is a diagram showing a conventionally used cooling water system. 1 to 4... Cooling fan, 5... Cooling piping between PCv and γ shield, 6... Cooling piping between γ shield and RPV,
7... Cooler fan, 8... Cooling system ring duct,
9... Cooler, 10... Reactor containment vessel, 11...
・Reactor pressure vessel, 12...γ shield, 13...
Pedestal, 14... Stabilizer, 15... Cooling water supply pipe, 16... Cooling water drainage pipe, 17... Cooling water supply pump. 18...Heat exchanger, 19...-Secondary system cooling water supply piping, 20...-Secondary system cooling water supply pump, 21...Duct.
Claims (1)
た冷却器へ冷却水を供給し、原子炉格納容器内の空気を
冷却するシステムにおいて、原子炉圧力容器ペデスタル
及びγシールド下部の周方向に原子炉格納容器の半径方
向及び上下方向の空気流れを可能とする複数のファンと
、原子炉圧力容器頂部付近の原子炉格納容器周方向に、
放射状のフィンを持つ冷却配管と原子炉格納容器・γシ
ールド間の冷却配管の僅か下方に、下方向の空気の流れ
を可能とする複数のファンを設置し、且つ、空気調和冷
却器をドライウェル下部床上に配置することにより、原
子炉格納容器内での冷風循環を効率的にしたことを特徴
とする原子炉格納容器内空調用冷却器の配置方法。1. In a system that supplies cooling water from outside the reactor containment vessel to a cooler installed inside the reactor containment vessel to cool the air inside the reactor containment vessel, the area around the reactor pressure vessel pedestal and the lower part of the gamma shield is A plurality of fans enable air flow in the radial and vertical directions of the reactor containment vessel, and in the circumferential direction of the reactor containment vessel near the top of the reactor pressure vessel.
Slightly below the cooling piping with radial fins and the cooling piping between the reactor containment vessel and gamma shield, multiple fans are installed to allow downward air flow, and the air conditioning cooler is installed in a dry well. A method for arranging an air conditioning cooler in a reactor containment vessel, characterized in that by arranging it on the lower floor, cold air circulation within the reactor containment vessel is made efficient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61082092A JPS62239091A (en) | 1986-04-11 | 1986-04-11 | Method of arranging cooler for air-conditioning in nuclear-reactor container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61082092A JPS62239091A (en) | 1986-04-11 | 1986-04-11 | Method of arranging cooler for air-conditioning in nuclear-reactor container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62239091A true JPS62239091A (en) | 1987-10-19 |
Family
ID=13764788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61082092A Pending JPS62239091A (en) | 1986-04-11 | 1986-04-11 | Method of arranging cooler for air-conditioning in nuclear-reactor container |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62239091A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5657360A (en) * | 1994-09-19 | 1997-08-12 | Kabushiki Kaisha Toshiba | Reactor container |
-
1986
- 1986-04-11 JP JP61082092A patent/JPS62239091A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5657360A (en) * | 1994-09-19 | 1997-08-12 | Kabushiki Kaisha Toshiba | Reactor container |
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