JP2002267299A - Cold liquid extracting system of steam compression refrigerating machine used for refrigeration or ice making - Google Patents

Cold liquid extracting system of steam compression refrigerating machine used for refrigeration or ice making

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Publication number
JP2002267299A
JP2002267299A JP2001063501A JP2001063501A JP2002267299A JP 2002267299 A JP2002267299 A JP 2002267299A JP 2001063501 A JP2001063501 A JP 2001063501A JP 2001063501 A JP2001063501 A JP 2001063501A JP 2002267299 A JP2002267299 A JP 2002267299A
Authority
JP
Japan
Prior art keywords
liquid
cold liquid
steam compression
water
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.)
Granted
Application number
JP2001063501A
Other languages
Japanese (ja)
Other versions
JP4601190B2 (en
Inventor
Masaru Hongo
賢 本郷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanken Setsubi Kogyo Co Ltd
Original Assignee
Sanken Setsubi Kogyo Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sanken Setsubi Kogyo Co Ltd filed Critical Sanken Setsubi Kogyo Co Ltd
Priority to JP2001063501A priority Critical patent/JP4601190B2/en
Publication of JP2002267299A publication Critical patent/JP2002267299A/en
Application granted granted Critical
Publication of JP4601190B2 publication Critical patent/JP4601190B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

PROBLEM TO BE SOLVED: To provide a cold liquid extracting system for a steam compression refrigerating machine, used for refrigeration or ice making capable of extracting cold liquid or cold water having a wide range of temperature ranging from a very low temperature to a general purpose temperature, by adding anti-freeze having a prescribed concentration to water in an evaporation section. SOLUTION: The steam compression refrigerating machine 16 forms a closed circuit heat by the evaporator 17, a compressor 18 and a condenser 19. A heat exchanger 26 for cold liquid and a heat exchanger 31 for condensation are respectively interposed in the evaporator 17 and the condenser 19. Anti-freeze, such as ethylene-glycol or the like is added to water in the evaporator 17 to make primary cold liquid 34, and the primary cold liquid 34 is circulated by a primary cold liquid circulation pump 35 and is sprayed onto the heat exchanger 26 for cold liquid. Condensed liquid 36 is circulated by a condensed liquid circulation pump 37 in the condenser 19 and is sprayed on the heat exchanger 31 for condensation. In this way, a secondary cold liquid 21, having a wide range of temperature which ranges from a very low temperature to a general-purpose temperature, e.g. -15 to +10 deg.C can be extracted from the heat exchanger 26 for cold liquid.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、密閉回路を備えた
水蒸気圧縮冷凍機から2次冷液又は冷却水を取出す冷凍
又は製氷に利用する水蒸気圧縮冷凍機の冷液取出しシス
テムに関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system for extracting a cold liquid of a steam compression refrigerator used for refrigeration or ice making, in which secondary cooling liquid or cooling water is removed from a steam compression refrigerator having a closed circuit.

【0002】[0002]

【従来の技術】従来、この種の水蒸気圧縮冷凍機は開放
回路で構成されたものであって、例えば、図2に示すよ
うな構成配置であった。これについて説明すれば、水蒸
気圧縮冷凍機1は、蒸発部2、圧縮機3、及び凝縮部4
を備えている。該蒸発部2は蓄熱槽5から循環水6を導
くと共に、前記圧縮機3の運転によって、低圧に保持し
つつ当該循環水6の一部を蒸発させる。該圧縮機3は当
該蒸発部2から導入された水蒸気を所定の条件で加圧す
る。前記凝縮部4は前記圧縮機3で加圧され、かつ高温
になった水蒸気を導入し、これを外部に設置した冷却塔
8から導いた冷却水7で冷却し、凝縮する。
2. Description of the Related Art Heretofore, this type of steam compression refrigerator has been configured with an open circuit, and has a configuration and arrangement as shown in FIG. 2, for example. Describing this, the steam compression refrigerator 1 includes an evaporator 2, a compressor 3, and a condenser 4
It has. The evaporating section 2 guides the circulating water 6 from the heat storage tank 5 and evaporates a part of the circulating water 6 by operating the compressor 3 while maintaining a low pressure. The compressor 3 pressurizes the steam introduced from the evaporator 2 under predetermined conditions. The condenser 4 introduces steam that has been pressurized by the compressor 3 and has a high temperature, and cools and condenses it with cooling water 7 introduced from a cooling tower 8 installed outside.

【0003】前記冷却塔8は、前記水蒸気圧縮冷凍機1
の付帯設備であり、上水等の水でなる補給水9を導入
し、前記凝縮部4から導かれた冷却水7を冷却水ポンプ
10で流送し、一部をブロー水11として排出し、該補
給水9を冷却水7に加えて、前記凝縮部4に導入する。
また、前記冷却塔8は、前記凝縮部4に於いて、水蒸気
を凝縮することで温度上昇した冷却水7の熱を大気に排
出する機能を有する。
The cooling tower 8 is provided with the steam compression refrigerator 1
A supplementary water 9 consisting of water such as tap water is introduced, cooling water 7 guided from the condensing section 4 is flowed by a cooling water pump 10, and a part is discharged as blow water 11. The replenishing water 9 is added to the cooling water 7 and introduced into the condensing section 4.
Further, the cooling tower 8 has a function of discharging the heat of the cooling water 7 whose temperature has been raised by condensing the water vapor to the atmosphere in the condenser 4.

【0004】前記蓄熱槽5は前記蒸発部2から取出され
た氷スラリーを氷スラリーポンプ12で流送して貯留す
る。そして、冷水15は循環ポンプ14で冷熱用熱交換
器13に圧送される。当該冷熱用熱交換器13はいわゆ
る熱取出しサイクルとして冷房負荷(開示せず)等に冷
水ポンプ16で冷水等を循環流送するものであった。
[0004] The heat storage tank 5 stores the ice slurry taken out from the evaporating section 2 by flowing it through an ice slurry pump 12. Then, the chilled water 15 is pumped by the circulation pump 14 to the heat exchanger 13 for cooling and heating. The heat exchanger 13 for cooling and cooling uses a chilled water pump 16 to circulate cold water or the like to a cooling load (not disclosed) or the like as a so-called heat extraction cycle.

【0005】[0005]

【発明が解決しようとする課題】従来の技術は叙上のよ
うな構成である次の課題が存在した。従来技術に於け
る水蒸気圧縮冷凍機1は開放回路であって前記蒸発部2
及び前記凝縮部4には熱交換器を備えておらず、当該水
蒸気圧縮冷凍機1内の圧縮機3が前記蒸発部2内の水蒸
気を吸引し、該凝縮部4に圧縮排気することで、該水蒸
気の潜熱により、該蒸発部2内の水から熱を奪取し、該
蒸発部2から冷水又は氷スラリーを取出すことができ
る。しかしながら、当該冷水又は氷スラリーの温度は−
0.5(℃)程度が限度であり、極めて低温の例えば−
15(℃)程度の冷水又は氷スラリーを取出すことが困
難であった。
The prior art has the following problems, which are configured as described above. The steam compression refrigerator 1 in the prior art is an open circuit,
And the condenser 4 is not provided with a heat exchanger, and the compressor 3 in the steam compression refrigerator 1 sucks the steam in the evaporator 2 and compresses and exhausts the steam in the condenser 4. By the latent heat of the steam, heat can be taken from the water in the evaporator 2 and cold water or ice slurry can be taken out from the evaporator 2. However, the temperature of the cold water or ice slurry is-
The limit is about 0.5 (° C).
It was difficult to remove cold water or ice slurry of about 15 (° C.).

【0006】従来の技術に於いては、前記循環水6を
流送する前記蓄熱槽5と蒸発部2との接続配管内や冷却
水7を流送する前記冷却塔8と前記凝縮部4との接続配
管内がほぼ真空状態のいわゆる減圧状況下にあるので、
当該接続配管の接続部分から空気が侵入する惧れが惹起
された。
In the prior art, the connection between the heat storage tank 5 for flowing the circulating water 6 and the evaporating section 2 and the cooling tower 8 for flowing the cooling water 7 and the condensing section 4 are provided. Because the inside of the connection pipe is under a so-called depressurized condition of almost vacuum,
There was a fear that air might enter from the connection portion of the connection pipe.

【0007】[0007]

【課題を解決するための手段】本発明は、密閉回路を備
えた水蒸気圧縮冷凍機に於いて、蒸発部内の水に所定濃
度を有する不凍液を添加し、前記蒸発部内に冷液用熱交
換器を、前記凝縮部内に凝縮用熱交換器をそれぞれ介在
させて、極めて低温から汎用的温度に至る広範囲の例え
ば、−15(℃)から+10(℃)の範囲の冷液や冷水を
取出すことを目的とした冷凍又は製氷に利用する水蒸気
圧縮冷凍機の冷液取出しシステムであって、次の構成、
手段で成立するものである。
SUMMARY OF THE INVENTION The present invention relates to a steam compression refrigerating machine having a closed circuit, wherein an antifreeze having a predetermined concentration is added to water in an evaporator, and a heat exchanger for a cold liquid is provided in the evaporator. By interposing condensing heat exchangers in the condensing section, respectively, to take out a wide range of cold liquids or cold water, for example, from -15 (° C) to +10 (° C) from extremely low temperature to general-purpose temperature. A cold liquid removal system of a steam compression refrigerator used for the purpose of freezing or ice making, comprising the following configuration,
It is established by means.

【0008】請求項1記載の発明によれば、蓄熱槽から
2次冷液を導く蒸発部、圧縮機、凝縮部から構成されて
密閉回路を備えた水蒸気圧縮冷凍機と、該水蒸気圧縮冷
凍機に冷却水を導く冷却塔とでなる装置に於いて、前記
蒸発部内の水に所定濃度を有する不凍液を添加して1次
冷液を製造すると共に、前記蒸発部内に冷液用熱交換器
を介在させて2次冷液を取出し、前記凝縮部に凝縮用熱
交換器を介在させて冷却水を取り出すことを特徴とする
冷凍又は製氷に利用する水蒸気圧縮冷凍機の冷液取出し
システムである。
According to the first aspect of the present invention, there is provided a steam compression refrigerating machine comprising an evaporator, a compressor, and a condensing unit for introducing a secondary cooling liquid from a heat storage tank and having a closed circuit, and the steam compression refrigerating machine. In a device consisting of a cooling tower that guides cooling water to the water in the evaporator, an antifreeze having a predetermined concentration is added to produce a primary cold liquid, and a heat exchanger for cold liquid is provided in the evaporator. A cooling liquid removal system for a steam compression refrigerator used for refrigeration or ice making, characterized in that a secondary cooling liquid is taken out through the intermediary, and cooling water is taken out through a condensing heat exchanger in the condensing section.

【0009】請求項2記載の発明によれば、蓄熱槽から
2次冷液を導く蒸発部、圧縮機、凝縮部から構成されて
密閉回路を備えた水蒸気圧縮冷凍機と、該水蒸気圧縮冷
凍機に冷却水を導く冷却塔とでなる装置に於いて、前記
蒸発部内の水に所定濃度を有する不凍液を添加して1次
冷液を製造すると共に、前記凝縮部に凝縮用熱交換器と
凝縮液循環ポンプを介在させて凝縮液を循環し、前記凝
縮用熱交換器に凝縮液を散布させることを特徴とする冷
凍又は製氷に利用する水蒸気圧縮冷凍機の冷液取出しシ
ステムである。
According to the second aspect of the present invention, there is provided a steam compression refrigerating machine including an evaporator, a compressor, and a condensing unit for introducing a secondary cooling liquid from a heat storage tank and having a closed circuit, and the steam compression refrigerating machine. A cooling tower for introducing cooling water into the evaporating section, adding an antifreeze having a predetermined concentration to the water in the evaporating section to produce a primary cold liquid, and condensing the condensing section with a condensing heat exchanger. A condensed liquid is circulated through a liquid circulation pump, and the condensed liquid is sprayed to the condensing heat exchanger.

【0010】請求項3記載の発明によれば、蓄熱槽から
2次冷液を導く蒸発部、圧縮機、凝縮部から構成されて
密閉回路を備えた水蒸気圧縮冷凍機と、該水蒸気圧縮冷
凍機に冷却水を導く冷却塔とでなる装置に於いて、前記
蒸発部内の水に所定濃度を有する不凍液を添加して1次
冷液を製造すると共に、前記蒸発部に冷液用熱交換器と
1次冷液循環ポンプを介在させて1次冷液を循環し、前
記冷液用熱交換器に1次冷液を散布させることを特徴と
する冷凍又は製氷に利用する水蒸気圧縮冷凍機の冷液取
出しシステムである。
According to the third aspect of the present invention, there is provided a steam compression refrigerating machine including an evaporator, a compressor, and a condensing unit for introducing a secondary cooling liquid from a heat storage tank and having a closed circuit, and the steam compression refrigerating machine. A cooling tower that guides cooling water to the evaporator, adding an antifreeze having a predetermined concentration to the water in the evaporator to produce a primary cold liquid, and a heat exchanger for a cold liquid to the evaporator. Circulating the primary cooling liquid through a primary cooling liquid circulation pump, and spraying the primary cooling liquid to the heat exchanger for the cooling liquid, wherein the cooling of the steam compression refrigerator used for freezing or ice making is performed. It is a liquid removal system.

【0011】請求項4記載の発明によれば、前記所定濃
度を有する不凍液が塩化ナトリウム溶液又はグリコール
類溶液でなることを特徴とする請求項1、2又は3記載
の冷凍又は製氷に利用する水蒸気圧縮冷凍機の冷液取出
しシステムである。
According to a fourth aspect of the present invention, the antifreeze having the predetermined concentration is a sodium chloride solution or a glycol solution, and the steam used for freezing or ice making according to the first, second or third aspect of the present invention. It is a cold liquid take-out system of a compression refrigerator.

【0012】請求項5記載の発明によれば、前記2次冷
液が冷凍又は製氷に利用できるブライン液又は冷水でな
ることを特徴とする請求項1、2又は3記載の冷凍又は
製氷に利用する水蒸気圧縮冷凍機の冷液取出しシステム
である。
According to a fifth aspect of the present invention, the secondary cold liquid is a brine liquid or cold water that can be used for freezing or ice making, and the secondary cold liquid is used for freezing or ice making according to claim 1, 2 or 3. 1 is a cold liquid take-out system for a steam compression refrigerator.

【0013】[0013]

【発明の実施の形態】以下本発明に係る冷凍又は製氷に
利用する水蒸気圧縮冷凍機の冷液取出しシステムについ
て、添付図面に基づき、詳細に説明する。
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a system for extracting a cold liquid of a steam compression refrigerator used for freezing or ice making according to the present invention.

【0014】図1は本発明に係る冷凍又は製氷に利用す
る水蒸気圧縮冷凍機の冷液取出しシステムの実施の形態
の一例を示す構成配置図である。16は密閉回路を備え
た水蒸気圧縮冷凍機であって、蒸発部17、圧縮機1
8、及び凝縮部19を備え、密閉回路を形成している。
該蒸発部17は蓄熱槽20から2次冷液21をブライン
ポンプ21aで導くと共に、前記圧縮機18の運転によ
って、低圧に保持しつつ当該蒸発部17内の1次冷液3
4の一部を蒸発させる。該圧縮機18は、当該蒸発部1
7から導入された水蒸気を所定の条件で加圧する。前記
凝縮部19は、前記圧縮機18で加圧されかつ高温にな
った水蒸気を導入し、これを外部に設置した冷却塔25
から導いた冷却水22で冷却し、凝縮する。
FIG. 1 is a structural layout view showing an example of an embodiment of a cold liquid extracting system of a steam compression refrigerator used for freezing or ice making according to the present invention. Reference numeral 16 denotes a steam compression refrigerator provided with a closed circuit, which includes an evaporator 17 and a compressor 1.
8 and a condensing section 19 to form a closed circuit.
The evaporating section 17 guides the secondary cooling liquid 21 from the heat storage tank 20 by the brine pump 21a, and operates the compressor 18 to maintain the low-pressure primary cooling liquid 3 in the evaporating section 17 while maintaining the low pressure.
Part of 4 is evaporated. The compressor 18 includes the evaporator 1
The steam introduced from 7 is pressurized under predetermined conditions. The condensing section 19 introduces steam which has been pressurized and heated to a high temperature by the compressor 18, and supplies the steam to a cooling tower 25 installed outside.
And is condensed.

【0015】前記凝縮部19内には凝縮用熱交換器31
を介在させており、前記冷却塔25は該凝縮用熱交換器
31を通して冷却水32を導いている。前記冷却塔25
は、前記水蒸気圧縮冷凍機16の付帯設備であり、補給
水23を導入し、一部をブロー水24として排出し、前
記補給水23を冷却水22に加え、冷却水ポンプ33で
もって前記凝縮部19に導入する。又、前記冷却塔25
は、前記凝縮部19に於いて水蒸気を凝縮することで温
度上昇した冷却水の熱を大気に排出する機能を有する。
In the condenser 19, a condenser heat exchanger 31 is provided.
The cooling tower 25 guides the cooling water 32 through the condensing heat exchanger 31. The cooling tower 25
Is a supplementary equipment of the steam compression refrigerator 16, in which makeup water 23 is introduced, a part thereof is discharged as blow water 24, the makeup water 23 is added to the cooling water 22, and the condensation is performed by a cooling water pump 33. Introduced to section 19. The cooling tower 25
Has a function of discharging the heat of the cooling water whose temperature has risen by condensing the water vapor in the condensing section 19 to the atmosphere.

【0016】前記蒸発部17内には冷液用熱交換器26
を介在させており、 前記蓄熱槽20は該冷液用熱交換
器26を通して、前記2次冷液21を導いている。そし
て、循環ポンプ28でもって、冷液27を冷熱用熱交換
器29に圧送している。該冷熱用熱交換器29はいわゆ
る熱取出しサイクルとして前記蓄熱槽20から圧送され
た冷液27を冷熱源として、冷水ポンプ30でもって、
各冷房負荷(図示せず)等に冷液等を循環流送してい
る。
In the evaporating section 17, a heat exchanger 26 for cold liquid is provided.
The heat storage tank 20 guides the secondary cold liquid 21 through the cold liquid heat exchanger 26. The circulating pump 28 pumps the cold liquid 27 to the heat exchanger 29 for cooling and heating. The heat exchanger 29 for cold heat is a so-called heat extraction cycle, using the cold liquid 27 pumped from the heat storage tank 20 as a cold heat source, using a cold water pump 30,
A cooling liquid or the like is circulated to each cooling load (not shown) or the like.

【0017】又、前記蒸発部17内の水には所定濃度を
有する不凍液を添加している。当該不凍液としては、凝
固点を低下させる物質であって、塩化ナトリウム溶液又
はグリコール類溶液等が適用される。そして、当該蒸発
部17は前記の不凍液を添加することにより1次冷液3
4を製造すると共に一次冷液循環ポンプ35でもって該
1次冷液34を循環流送し、前記冷液用熱交換器26に
散布する。
An antifreeze having a predetermined concentration is added to the water in the evaporating section 17. As the antifreeze, a substance that lowers the freezing point, such as a sodium chloride solution or a glycol solution, is used. The evaporating section 17 adds the above-mentioned antifreeze to the primary cold liquid 3.
4 and the primary cold liquid circulating pump 35 circulates and sends the primary cold liquid 34 to the cold liquid heat exchanger 26.

【0018】また、前記凝縮部19は凝縮液36を凝縮
液循環ポンプ37でもって循環流送すると共に前記凝縮
用熱交換器31に散布する。
The condensing section 19 circulates the condensed liquid 36 by a condensed liquid circulating pump 37 and sprays the condensed liquid 36 on the condensing heat exchanger 31.

【0019】次に、本発明に係る冷凍又は製氷に利用す
る水蒸気圧縮冷凍機の冷液取出しシステムの動作につい
て説明する。
Next, the operation of the cold liquid extracting system of the steam compression refrigerator used for freezing or ice making according to the present invention will be described.

【0020】前記水蒸気圧縮冷凍機16の圧縮機18が
運転すると、前記蒸発部17は1次冷液34を製造し、
前記不凍液を添加された1次冷液34が1次冷液循環ポ
ンプ35によって、循環流送される。そして、前記冷液
用熱交換器26は前記1次冷液34に海水を適用したと
き、前記蒸発部17の水蒸発により1次冷液温度は−
1.9(℃)まで低下し、不凍液として例えばエチレング
リコール溶液を重量比で40%を当該1次冷液34に添
加すれば、その温度は−20(℃)程度となり、この1次
冷液34を前記冷熱用熱交換器26に散布することによ
って2次冷液21を生成し、ブラインポンプ21aでも
って当該2次冷液21を流送すると共に取出すことがで
きる。なお、1次冷液の温度が0(℃)以下になること
を要しない場合は、不凍液を加える必要はない。そし
て、該2次冷液21は取出し温度が−15(℃)〜+1
0(℃)であって、ブライン液又は冷水として冷凍や製
氷に利用することができる。
When the compressor 18 of the steam compression refrigerator 16 is operated, the evaporating section 17 produces a primary cold liquid 34,
The primary cold liquid 34 to which the antifreeze liquid has been added is circulated by a primary cold liquid circulation pump 35. When the seawater is applied to the primary cold liquid 34, the cold liquid heat exchanger 26 reduces the primary cold liquid temperature by the water evaporation of the evaporating unit 17.
When the temperature is lowered to 1.9 (° C.) and 40% by weight of, for example, an ethylene glycol solution is added as an antifreeze to the primary cooling liquid 34, the temperature becomes about −20 (° C.). The secondary cooling liquid 21 is generated by dispersing the secondary cooling liquid 34 in the cooling heat exchanger 26, and the secondary cooling liquid 21 can be flowed out and taken out by the brine pump 21a. When the temperature of the primary cooling liquid does not need to be 0 (° C.) or less, it is not necessary to add the antifreeze. Then, the secondary cooling liquid 21 has a removal temperature of -15 (° C.) to +1.
0 (° C.) and can be used for freezing or ice making as a brine solution or cold water.

【0021】一方、前記凝縮部19は凝縮液36を凝縮
液循環ポンプ37で循環流送して前記凝縮用熱交換器3
1に散布する。そして、前記凝縮用熱交換器31で凝縮
液36の温度を降下させると共に、温度の上昇した冷却
水32を冷却塔25に導く。
On the other hand, the condensing section 19 circulates the condensed liquid 36 by a condensed liquid circulating pump 37 and sends it to the condensing heat exchanger 3.
Sprinkle on 1 Then, the temperature of the condensed liquid 36 is lowered in the heat exchanger 31 for condensation, and the cooling water 32 whose temperature has been raised is guided to the cooling tower 25.

【0022】尚、上記の説明に於いては、前記蒸発部17
内及び凝縮部19内に冷液用熱交換器26及び凝縮用熱
交換機31を介在させた構成であるが、本発明は水蒸気
圧縮冷凍機16の外に当該冷液用熱交換器26や凝縮用
熱交換器31を設備してあって、ポンプ等によって1次
冷液34や凝縮液36を取出しこれに流送する構成とし
てもよい。
In the above description, the evaporating section 17
Although the cooling liquid heat exchanger 26 and the condensing heat exchanger 31 are interposed in the inside and the condensing part 19, the present invention A configuration may be adopted in which a heat exchanger 31 is provided, and the primary cold liquid 34 and the condensate 36 are taken out by a pump or the like and sent to the primary cool liquid 34 or the condensate 36.

【0023】[0023]

【発明の効果】本発明に係る冷凍又は製氷を利用する水
蒸気圧縮冷凍機の冷液取出しシステムは叙上の構成、動
作を有するので次の効果がある。
The cold liquid take-out system for a steam compression refrigerator utilizing freezing or ice making according to the present invention has the following effects because it has the above-described configuration and operation.

【0024】請求項1記載の発明によれば、蓄熱槽から
2次冷液を導く蒸発部、圧縮機、凝縮部から構成されて
密閉回路を備えた水蒸気圧縮冷凍機と、該水蒸気圧縮冷
凍機に冷却水を導く冷却塔とでなる装置に於いて、前記
蒸発部内の水に所定濃度を有する不凍液を添加して1次
冷液を製造すると共に、前記蒸発部内に冷液用熱交換器
を介在させて2次冷液を取出し、前記凝縮部に凝縮用熱
交換器を介在させて冷却水を取り出すことを特徴とする
冷凍又は製氷に利用する水蒸気圧縮冷凍機の冷液取出し
システムを提供する。このような構成としたので、前記
水蒸気圧縮冷凍機から極めて低い温度から汎用的温度で
あって、広範囲の例えば−15(℃)から+10(℃)程
度の冷液や冷水を取出すことができると共に蒸発部や凝
縮部の接続配管への空気侵入を防止し、環境に安全な水
冷媒を用いることにより、食品等の冷凍又は製氷に利用
できる効果がある。
According to the first aspect of the present invention, there is provided a steam compression refrigerating machine including an evaporator, a compressor, and a condensing unit for introducing a secondary cooling liquid from a heat storage tank and having a closed circuit, and the steam compression refrigerating machine. In a device consisting of a cooling tower that guides cooling water to the water in the evaporator, an antifreeze having a predetermined concentration is added to produce a primary cold liquid, and a heat exchanger for cold liquid is provided in the evaporator. A cooling liquid removal system for a steam compression refrigerator used for refrigeration or ice making, characterized in that a secondary cooling liquid is interposed to take out a secondary cooling liquid, and a cooling heat exchanger is interposed in the condensing section to take out cooling water. . With such a configuration, it is possible to take out a wide range of cold liquid or cold water from a very low temperature to a general-purpose temperature, for example, about −15 (° C.) to +10 (° C.), from the steam compression refrigerator. By preventing air from entering the connection pipe of the evaporating unit and the condensing unit and using an environmentally safe water refrigerant, there is an effect that it can be used for freezing or ice making of foods and the like.

【0025】請求項2記載の発明によれば、蓄熱槽から
2次冷液を導く蒸発部、圧縮機、凝縮部から構成されて
密閉回路を備えた水蒸気圧縮冷凍機と、該水蒸気圧縮冷
凍機に冷却水を導く冷却塔とでなる装置に於いて、前記
蒸発部内の水に所定濃度を有する不凍液を添加して1次
冷液を製造すると共に、前記凝縮部に凝縮用熱交換器と
凝縮液循環ポンプを介在させて凝縮液を循環し、前記凝
縮用熱交換器に凝縮液を散布させることを特徴とする水
蒸気圧縮冷凍機の冷液取出しシステムを提供する。この
ような構成としたので、前記水蒸気圧縮冷凍機の凝縮部
に凝縮液を循環し、かつ凝縮用熱交換器に散布させるこ
とによって、効率よく凝縮液の温度を下げることができ
る効果がある。
According to the second aspect of the present invention, there is provided a steam compression refrigerating machine comprising an evaporator, a compressor, and a condensing unit for introducing a secondary cooling liquid from a heat storage tank and having a closed circuit, and the steam compression refrigerating machine. A cooling tower for introducing cooling water into the evaporating section, adding an antifreeze having a predetermined concentration to the water in the evaporating section to produce a primary cold liquid, and condensing the condensing section with a condensing heat exchanger. Provided is a cold liquid discharge system for a steam compression refrigerator, characterized in that the condensed liquid is circulated through a liquid circulation pump and the condensed liquid is sprayed to the condensing heat exchanger. With such a configuration, the temperature of the condensate can be efficiently reduced by circulating the condensate in the condensing section of the steam compression refrigerator and dispersing the condensate in the condensing heat exchanger.

【0026】請求項3記載の発明によれば、蓄熱槽から
2次冷液を導く蒸発部、圧縮機、凝縮部から構成されて
密閉回路を備えた水蒸気圧縮冷凍機と、該水蒸気圧縮冷
凍機に冷却水を導く冷却塔とでなる装置に於いて、前記
蒸発部内の水に所定濃度を有する不凍液を添加して1次
冷液を製造すると共に、前記蒸発部に冷液用熱交換器と
1次冷液循環ポンプを介在させて1次冷液を循環し、前
記冷液用熱交換器に1次冷液を散布させることを特徴と
する冷凍又は製氷に利用する水蒸気圧縮冷凍機の冷液取
出しシステムを提供する。このような構成としたので、
前記水蒸気圧縮冷凍機の蒸発部に1次冷液を循環し、か
つ冷却用熱交換器に散布させることによって、極めて低
い温度から汎用的温度に至る広範囲の2次冷液を効率よ
く取出すことができる効果がある。
According to the third aspect of the present invention, there is provided a steam compression refrigerating machine including a vaporizer, a compressor, and a condensing unit for introducing a secondary cooling liquid from a heat storage tank and having a closed circuit, and the steam compression refrigerating machine. A cooling tower that guides cooling water to the evaporator, adding an antifreeze having a predetermined concentration to the water in the evaporator to produce a primary cold liquid, and a heat exchanger for a cold liquid to the evaporator. Circulating the primary cooling liquid through a primary cooling liquid circulation pump, and spraying the primary cooling liquid to the heat exchanger for the cooling liquid, wherein the cooling of the steam compression refrigerator used for freezing or ice making is performed. A liquid removal system is provided. With such a configuration,
By circulating the primary cold liquid in the evaporating section of the steam compression refrigerator and dispersing it in the cooling heat exchanger, it is possible to efficiently extract a wide range of secondary cold liquid from an extremely low temperature to a general-purpose temperature. There is an effect that can be done.

【0027】請求項4記載の発明によれば、前記所定濃
度を有する不凍液が塩化ナトリウム溶液又はグリコール
類溶液でなることを特徴とする請求項1、2又は3記載
の冷凍又は製氷に利用する水蒸気圧縮冷凍機の冷液取出
しシステムを提供する。このような構成としたので、塩
化ナトリウム溶液やグリコール類溶液等の汎用の不凍液
を用いているので実施化が極めて容易であると共に、環
境に安全な水冷媒を用いて、マイナス温度の冷液を取出
して食品等の冷凍や製氷に広く利用できる利点がある。
According to a fourth aspect of the present invention, the antifreeze having the predetermined concentration is a sodium chloride solution or a glycol solution, and the steam used for freezing or ice making according to the first, second or third aspect of the present invention. Provided is a cold liquid take-out system for a compression refrigerator. With such a configuration, it is extremely easy to implement because a general-purpose antifreeze such as a sodium chloride solution or a glycols solution is used, and a cold liquid having a minus temperature is cooled using an environmentally safe water refrigerant. There is an advantage that it can be taken out and widely used for freezing foods and ice making.

【0028】請求項5記載の発明によれば、前記2次冷
液が冷凍又は製氷に利用できるブライン液又は冷水でな
ることを特徴とする請求項1、2又は3記載の冷凍又は
製氷に利用する水蒸気圧縮冷凍機の冷液取出しシステム
を提供する。このような構成としたので、前記水蒸気圧
縮冷凍機からブライン液又は冷水を容易に取出し製氷や
冷凍の利用を促進する効果がある。
According to the fifth aspect of the present invention, the secondary cold liquid is a brine liquid or cold water that can be used for freezing or ice making, and the secondary cold liquid is used for freezing or ice making according to claim 1, 2 or 3. Provided is a cold liquid take-out system for a steam compression refrigerator. With such a configuration, there is an effect that the brine liquid or the cold water is easily taken out from the steam compression refrigerator to promote the use of ice making and freezing.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明に係る冷凍又は製氷に利用する水蒸気圧
縮冷凍機の冷液取出しシステムの実施の形態を示す構成
配置図である。
FIG. 1 is a configuration layout diagram showing an embodiment of a cold liquid extracting system of a steam compression refrigerator used for freezing or ice making according to the present invention.

【図2】従来の技術に於ける水蒸気圧縮冷凍機システム
の一例を示す構成配置図である。
FIG. 2 is a configuration layout diagram showing an example of a steam compression refrigerator system in a conventional technique.

【符号の説明】[Explanation of symbols]

16 水蒸気圧縮冷凍機 17 蒸発部 18 圧縮機 19 凝縮部 20 蓄熱槽 21 2次冷液 21a ブラインポンプ 22 冷却水 23 補給水 24 ブロー水 25 冷却塔 26 冷液用熱交換器 27 冷液 28 循環ポンプ 29 冷熱用熱交換器 30 冷水ポンプ 31 凝縮用熱交換器 32 冷却水 33 冷却水ポンプ 34 1次冷液 35 1次冷液循環ポンプ 36 凝縮液 37 凝縮液循環ポンプ DESCRIPTION OF SYMBOLS 16 Steam compression refrigerator 17 Evaporating part 18 Compressor 19 Condensing part 20 Heat storage tank 21 Secondary cooling liquid 21a Brine pump 22 Cooling water 23 Makeup water 24 Blow water 25 Cooling tower 26 Cooling liquid heat exchanger 27 Cooling liquid 28 Circulating pump 29 heat exchanger for cooling / heating 30 chilled water pump 31 heat exchanger for condensing 32 cooling water 33 cooling water pump 34 primary cooling liquid 35 primary cooling liquid circulating pump 36 condensed liquid 37 condensed liquid circulating pump

Claims (5)

【特許請求の範囲】[Claims] 【請求項1】蓄熱槽から2次冷液を導く蒸発部、圧縮
機、凝縮部から構成されて密閉回路を備えた水蒸気圧縮
冷凍機と、該水蒸気圧縮冷凍機に冷却水を導く冷却塔と
でなる装置に於いて、前記蒸発部内の水に所定濃度を有
する不凍液を添加して1次冷液を製造すると共に、前記
蒸発部内に冷液用熱交換器を介在させて2次冷液を取出
し、前記凝縮部に凝縮用熱交換器を介在させて冷却水を
取り出すことを特徴とする冷凍又は製氷に利用する水蒸
気圧縮冷凍機の冷液取出しシステム。
1. A steam compression refrigerating machine comprising an evaporator, a compressor, and a condenser for introducing a secondary cooling liquid from a heat storage tank and having a closed circuit, and a cooling tower for introducing cooling water to the steam compression refrigerating machine. In the apparatus consisting of, an antifreeze having a predetermined concentration is added to water in the evaporator to produce a primary cold liquid, and a secondary liquid cooler is interposed in the evaporator through a cold liquid heat exchanger. A cooling liquid removal system for a steam compression refrigerator used for refrigeration or ice making, wherein cooling water is taken out through a condensing heat exchanger in the condensing section.
【請求項2】蓄熱槽から2次冷液を導く蒸発部、圧縮
機、凝縮部から構成されて密閉回路を備えた水蒸気圧縮
冷凍機と、該水蒸気圧縮冷凍機に冷却水を導く冷却塔と
でなる装置に於いて、前記蒸発部内の水に所定濃度を有
する不凍液を添加して1次冷液を製造すると共に、前記
凝縮部に凝縮用熱交換器と凝縮液循環ポンプを介在させ
て凝縮液を循環し、前記凝縮用熱交換器に凝縮液を散布
させることを特徴とする冷凍又は製氷に利用する水蒸気
圧縮冷凍機の冷液取出しシステム。
2. A steam compression refrigerating machine comprising an evaporator, a compressor, and a condensing unit having a closed circuit for introducing a secondary cooling liquid from a heat storage tank, and a cooling tower for introducing cooling water to the steam compression refrigerating machine. An antifreeze having a predetermined concentration is added to the water in the evaporating section to produce a primary cold liquid. A cooling liquid removal system for a steam compression refrigerator used for freezing or ice making, characterized in that the liquid is circulated and the condensed liquid is sprayed to the condensing heat exchanger.
【請求項3】蓄熱槽から2次冷液を導く蒸発部、圧縮
機、凝縮部から構成されて密閉回路を備えた水蒸気圧縮
冷凍機と、該水蒸気圧縮冷凍機に冷却水を導く冷却塔と
でなる装置に於いて、前記蒸発部内の水に所定濃度を有
する不凍液を添加して1次冷液を製造すると共に、前記
蒸発部に冷液用熱交換器と1次冷液循環ポンプを介在さ
せて1次冷液を循環し、前記冷液用熱交換器に1次冷液
を散布させることを特徴とする冷凍又は製氷に利用する
水蒸気圧縮冷凍機の冷液取出しシステム。
3. A steam compression refrigerating machine comprising an evaporator, a compressor, and a condensing unit having a closed circuit for introducing a secondary cooling liquid from a heat storage tank, and a cooling tower for introducing cooling water to the steam compression refrigerating machine. An antifreeze having a predetermined concentration is added to water in the evaporating section to produce a primary cold liquid, and a heat exchanger for cold liquid and a primary cooling liquid circulation pump are interposed in the evaporating section. The primary cold liquid is circulated and the primary cold liquid is sprayed to the cold liquid heat exchanger.
【請求項4】前記所定濃度を有する不凍液が塩化ナトリ
ウム溶液又はグリコール類溶液でなることを特徴とする
請求項1、2又は3記載の冷凍又は製氷に利用する水蒸
気圧縮冷凍機の冷液取出しシステム。
4. The system according to claim 1, wherein the antifreeze having a predetermined concentration is a sodium chloride solution or a glycols solution. .
【請求項5】前記2次冷液が冷凍又は製氷に利用できる
ブライン液又は冷水でなることを特徴とする請求項1、
2又は3記載の冷凍又は製氷に利用する水蒸気圧縮冷凍
機の冷液取出しシステム。
5. The method according to claim 1, wherein the secondary cold liquid is a brine liquid or cold water usable for freezing or ice making.
4. A cold liquid removal system for a steam compression refrigerator used for freezing or ice making according to 2 or 3.
JP2001063501A 2001-03-07 2001-03-07 Cold liquid extraction system for steam compression refrigerators used for freezing or ice making Expired - Fee Related JP4601190B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001063501A JP4601190B2 (en) 2001-03-07 2001-03-07 Cold liquid extraction system for steam compression refrigerators used for freezing or ice making

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001063501A JP4601190B2 (en) 2001-03-07 2001-03-07 Cold liquid extraction system for steam compression refrigerators used for freezing or ice making

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Publication Number Publication Date
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JP4601190B2 JP4601190B2 (en) 2010-12-22

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ID=18922488

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Country Status (1)

Country Link
JP (1) JP4601190B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103363599A (en) * 2012-04-06 2013-10-23 荣国华 Air conditioner system with cooling tower
CN108534415A (en) * 2018-01-25 2018-09-14 山东宝成制冷设备有限公司 A kind of direct-cooling type ice machine
CN111473876A (en) * 2020-04-17 2020-07-31 无锡米芯微电子技术有限公司 Temperature sensor with self-circulation cooling
CN111780303A (en) * 2020-07-21 2020-10-16 南京工程学院 Efficient heat source tower heat pump system for southern areas
CN113587262A (en) * 2021-07-26 2021-11-02 珠海格力电器股份有限公司 Outdoor unit, air conditioning system and control method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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Publication number Priority date Publication date Assignee Title
JPS61272539A (en) * 1985-05-28 1986-12-02 Mitsui Eng & Shipbuild Co Ltd System for accumulating cold and hot medium utilizing ice
JPH0336472A (en) * 1989-06-29 1991-02-18 Ebara Corp Open type heat pump
JPH06257890A (en) * 1993-03-04 1994-09-16 Nkk Corp Heat pump

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61272539A (en) * 1985-05-28 1986-12-02 Mitsui Eng & Shipbuild Co Ltd System for accumulating cold and hot medium utilizing ice
JPH0336472A (en) * 1989-06-29 1991-02-18 Ebara Corp Open type heat pump
JPH06257890A (en) * 1993-03-04 1994-09-16 Nkk Corp Heat pump

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103363599A (en) * 2012-04-06 2013-10-23 荣国华 Air conditioner system with cooling tower
CN108534415A (en) * 2018-01-25 2018-09-14 山东宝成制冷设备有限公司 A kind of direct-cooling type ice machine
CN111473876A (en) * 2020-04-17 2020-07-31 无锡米芯微电子技术有限公司 Temperature sensor with self-circulation cooling
CN111780303A (en) * 2020-07-21 2020-10-16 南京工程学院 Efficient heat source tower heat pump system for southern areas
CN111780303B (en) * 2020-07-21 2021-07-27 南京工程学院 Efficient heat source tower heat pump system for southern areas
CN113587262A (en) * 2021-07-26 2021-11-02 珠海格力电器股份有限公司 Outdoor unit, air conditioning system and control method thereof
CN113587262B (en) * 2021-07-26 2022-07-08 珠海格力电器股份有限公司 Outdoor unit, air conditioning system and control method thereof

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