JPH01219465A - Cooled air generating device - Google Patents
Cooled air generating deviceInfo
- Publication number
- JPH01219465A JPH01219465A JP4398888A JP4398888A JPH01219465A JP H01219465 A JPH01219465 A JP H01219465A JP 4398888 A JP4398888 A JP 4398888A JP 4398888 A JP4398888 A JP 4398888A JP H01219465 A JPH01219465 A JP H01219465A
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- refrigerant
- lng
- air
- air cooler
- 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
- 239000003949 liquefied natural gas Substances 0.000 claims abstract description 21
- 239000003507 refrigerant Substances 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（１）産業上の利用分野
本発明は、人工屋内スキー場又は食品の冷蔵、冷凍倉庫
等に適用する冷却空気発生装置に関する。DETAILED DESCRIPTION OF THE INVENTION (1) Field of Industrial Application The present invention relates to a cooled air generator applicable to artificial indoor ski resorts, food refrigeration, frozen warehouses, and the like.
（２）従来の技術
従来、屋内人工スキー場等の空気冷却装置として、第２
図に示すように、冷媒、例えばＲ２２’Ｉを圧縮機（ｂ
）により凝縮器（１ｋ）に循環させ、冷却水により液化
する。液化した冷媒は膨張弁（Ｃ）により気液混合状態
となり蒸発器（ｄ）に入り、該蒸発器（ｄ）と空気冷却
器（ｅ）とを循環ポンプ（ｆ）により循環する冷媒に冷
熱を与える。そして屋内人工スキー場（ｇ）からの空気
を空気冷却器（ｅ）で冷却するものが知られている。(2) Conventional technology Traditionally, as an air cooling device for indoor artificial ski resorts, etc.
As shown in the figure, a refrigerant, for example R22'I, is transferred to a compressor (b
) is circulated to the condenser (1k) and liquefied with cooling water. The liquefied refrigerant becomes a gas-liquid mixture by the expansion valve (C), enters the evaporator (d), and transfers cold heat to the refrigerant circulating between the evaporator (d) and the air cooler (e) by the circulation pump (f). give. There is also known a device in which air from an indoor artificial ski resort (g) is cooled by an air cooler (e).
（３）発明が解決しようとする問題点
しかし凝縮器により冷媒を循環させる冷却方法において
は、冷熱の発生に大量の電力を消費すると共に、大量の
冷却水を必要とするため運転費が高くなり、設備が過大
となる等の問題点を有している。(3) Problems to be solved by the invention However, in the cooling method in which refrigerant is circulated using a condenser, a large amount of electricity is consumed to generate cold heat, and a large amount of cooling water is required, resulting in high operating costs. , there are problems such as excessive equipment.
本発明は上記の問題点を解決し、液化天然ガスを利用し
て冷°却空気を廉価に得ることを目的とする。The present invention aims to solve the above-mentioned problems and to obtain cooling air at low cost by using liquefied natural gas.
（４）問題点を解決するための手段
本発明は上記の目的を達成するために、中間媒体を用い
熱交換器により順次冷却する複数段の冷却配管系の最初
の熱交換器の冷媒を液化天然ガスとすると共に、最終の
熱交換器を空気冷却器に形成し、該空気冷却器により冷
却空気を得るようにしたことを特徴とする。(4) Means for Solving the Problems In order to achieve the above object, the present invention liquefies the refrigerant in the first heat exchanger of a multi-stage cooling piping system that is sequentially cooled by heat exchangers using an intermediate medium. In addition to using natural gas, the final heat exchanger is formed into an air cooler, and cooling air is obtained by the air cooler.
（５）作用
貯蔵タンクから吐出された液化天然ガス（以下ＬＮＧと
いう）は最初の熱交換器に導入されて中間媒体を冷却し
、更に複数段の冷却配管系の熱交換器により次々にそれ
ぞれの中間媒体を冷却し、最終の熱交換器である空気冷
却器においてこれに導入された空気が冷却される。(5) Operation Liquefied natural gas (hereinafter referred to as LNG) discharged from the storage tank is introduced into the first heat exchanger to cool the intermediate medium, and then is further transferred to each heat exchanger one after another in a multi-stage cooling piping system. The intermediate medium is cooled and the air introduced into it is cooled in the final heat exchanger, the air cooler.
（６）実施例
以下、本発明を屋内人工スキー場に利用した１実施例に
ついてその概要を説明する。(6) Example Hereinafter, an outline of an example in which the present invention is applied to an indoor artificial ski resort will be explained.
（１）は従来の海水を使用するＬＮＧ蒸発器であり、配
管（ｌａ）によりＬＮＧ熱交換器（２）と連結され、貯
蔵タンク（図示せず）からＬＮＧ＠環ポンプ（ｌｂ）に
よりＬＮＧが送出される。（３）は冷媒熱交換器で第１
冷却配管（２ａ）により前記ＬＮＧ熱交換器（２）に連
結され、第１循環ポンプ（２ｂ）により第１冷媒タンク
（２ｃ）内の中間媒体（例えばＲ１３等）が前記第１冷
却配管（２ａ）中を循環される。（４）は空気冷却器で
多数の冷熱板を具備した冷却パイプ（４ａ）を有し、且
つ上部の吸気口（４ｂ）と、下部排出口（４ｃ）により
空気が前記空気冷却器（４）内を循環され、前記冷熱板
により空気が冷却される。(1) is a conventional LNG evaporator that uses seawater, and is connected to an LNG heat exchanger (2) by a pipe (la), and LNG is pumped from a storage tank (not shown) by an LNG@ring pump (lb). Sent out. (3) is the first refrigerant heat exchanger.
A cooling pipe (2a) is connected to the LNG heat exchanger (2), and a first circulation pump (2b) supplies an intermediate medium (such as R13) in a first refrigerant tank (2c) to the first cooling pipe (2a). ) is circulated inside. (4) is an air cooler, which has a cooling pipe (4a) equipped with a large number of cold and hot plates, and air is supplied to the air cooler (4) through an upper air intake port (4b) and a lower air outlet (4c). The air is circulated inside and cooled by the cold plate.
又該空気冷却器（４）と前記冷媒熱交換器（３）とは第
２冷却配管（３ａ）により連結されており、第２循環ポ
ンプ（３ｂ）により第２冷媒タンク（３ｃ）内の中間媒
体（例えばエチレングリコール等）が該第２冷却配管（
３ａ）中を循環される。（５）は屋内人工スキー場で前
記吸気口（４ｂ）及び排気口（４ｃ）へダクト（図示せ
ず）により連結されている。Further, the air cooler (4) and the refrigerant heat exchanger (3) are connected by a second cooling pipe (3a), and a second circulation pump (3b) is used to cool the air in the middle of the second refrigerant tank (3c). A medium (e.g. ethylene glycol, etc.) is introduced into the second cooling pipe (
3a) circulated through the (5) is an indoor artificial ski resort connected to the intake port (4b) and the exhaust port (4c) by a duct (not shown).
次に上記の構成からなる本発明の冷却空気発生装置の動
作を説明する。Next, the operation of the cooling air generator of the present invention having the above-mentioned configuration will be explained.
貯蔵タンク（図示せず）からＬＮＧ＠環ポンプ（ｌｂ）
により吐出されたＬＮＧは、ＬＮＧ熱交換器（２）に供
給され、該ＬＮＧ熱交換器（２）で中間媒体（例えばＲ
１３等）から熱を奪い温度を上昇させ、更にＬＮＧ蒸発
器（１）を循環す８間に海水により所望の温度に加温さ
れ送出ガスラインへ供給される。LNG from storage tank (not shown) @ ring pump (lb)
The LNG discharged by
13, etc.) to raise the temperature, and during the 8 hours during which it circulates through the LNG evaporator (1), it is heated to a desired temperature by seawater and supplied to the delivery gas line.
次にＬＮＧ熱交換器（２）で冷熱を受けた中間媒体は第
１冷媒タンク（２ｃ）に集められ、第１循環ポンプ（２
ｂ）により冷媒熱交換器（３）に送られる。モして冷媒
熱交換器（３）では第２＠環ポンプ（３ｂ）により空気
冷却器（４）内を循環する中間媒体に冷熱を供給し、空
気冷却５（４）内の冷熱板を冷却する。従って屋内人工
スキー場（５）から吸気口（４ｂ）を通り吸入される空
気は冷熱板により冷却され、排出口（４ｃ）からスキー
場（５）内に循環されて屋内人工スキー場（５）は所定
の温度に冷却することができる。Next, the intermediate medium that has received cold heat in the LNG heat exchanger (2) is collected in the first refrigerant tank (2c), and is collected in the first circulation pump (2c).
b) to the refrigerant heat exchanger (3). In the refrigerant heat exchanger (3), the second @ring pump (3b) supplies cold heat to the intermediate medium circulating in the air cooler (4), cooling the cold plate in the air cooler 5 (4). do. Therefore, the air taken in from the indoor artificial ski resort (5) through the intake port (4b) is cooled by the cold plate, and is circulated into the ski resort (5) from the exhaust port (4c) to the indoor artificial ski resort (5). can be cooled to a predetermined temperature.
なお本発明は上記屋内人工スキー場に限るものではなく
、食品の冷蔵冷凍倉庫等の冷却にも使用することができ
る。Note that the present invention is not limited to the above-mentioned indoor artificial ski resort, but can also be used for cooling food refrigerated and frozen warehouses.
（７）発明の効果
上記のように本発明によれば、中間媒体を用い熱交換器
により順次冷却する複数段の冷却配管系の最初の熱交換
器の冷媒をＬＮＧとすると共に、最終の熱交換器を空気
冷却器としたことにより、ＬＮＧの有する冷熱を有効に
利用することができ、冷熱を発生するための大量の電力
を必要とせず、又運転費やその他の設備費等を軽減でき
て所望の冷却空気を廉価に得ることができる効果を有す
る。(7) Effects of the Invention As described above, according to the present invention, LNG is used as the refrigerant in the first heat exchanger of a multi-stage cooling piping system that uses an intermediate medium and is sequentially cooled by heat exchangers, and the final heat By using an air cooler as the exchanger, the cold energy of LNG can be used effectively, and a large amount of electricity is not required to generate cold energy, and operating costs and other equipment costs can be reduced. This has the effect that desired cooling air can be obtained at low cost.
第１図は本発明の１実施例を示す系統図、第２図は従来
の実施例を示す系統図である。
（２）、（３）・・・熱交換器
（４）・・・空気冷却器FIG. 1 is a system diagram showing one embodiment of the present invention, and FIG. 2 is a system diagram showing a conventional embodiment. (2), (3)...Heat exchanger (4)...Air cooler
Claims (1)
却配管系の最初の熱交換器の冷媒を液化天然ガスとする
と共に、最終の熱交換器を空気冷却器に形成し、該空気
冷却器により冷却空気を得るようにしたことを特徴とす
る冷却空気発生装置。In a multi-stage cooling piping system in which heat exchangers sequentially cool the system using an intermediate medium, the refrigerant in the first heat exchanger is liquefied natural gas, and the final heat exchanger is formed into an air cooler, and the air cooler A cooling air generator characterized in that cooling air is obtained by
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4398888A JPH01219465A (en) | 1988-02-26 | 1988-02-26 | Cooled air generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4398888A JPH01219465A (en) | 1988-02-26 | 1988-02-26 | Cooled air generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01219465A true JPH01219465A (en) | 1989-09-01 |
Family
ID=12679097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4398888A Pending JPH01219465A (en) | 1988-02-26 | 1988-02-26 | Cooled air generating device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01219465A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100414216C (en) * | 2003-08-06 | 2008-08-27 | 侯君 | Method and device using natural gas as refrigerant |
| WO2016043094A1 (en) * | 2014-09-18 | 2016-03-24 | 三菱日立パワーシステムズ株式会社 | Cooling equipment, combined cycle plant comprising same, and cooling method |
-
1988
- 1988-02-26 JP JP4398888A patent/JPH01219465A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100414216C (en) * | 2003-08-06 | 2008-08-27 | 侯君 | Method and device using natural gas as refrigerant |
| WO2016043094A1 (en) * | 2014-09-18 | 2016-03-24 | 三菱日立パワーシステムズ株式会社 | Cooling equipment, combined cycle plant comprising same, and cooling method |
| JP2016061227A (en) * | 2014-09-18 | 2016-04-25 | 三菱日立パワーシステムズ株式会社 | Cooling facility, combined cycle plant including the same, and cooling method |
| US11300010B2 (en) | 2014-09-18 | 2022-04-12 | Mitsubishi Power, Ltd. | Cooling equipment, combined cycle plant comprising same, and cooling method |
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