JPH04148188A - Vaporizing device for low-temperature liquefied gas - Google Patents
Vaporizing device for low-temperature liquefied gasInfo
- Publication number
- JPH04148188A JPH04148188A JP27290790A JP27290790A JPH04148188A JP H04148188 A JPH04148188 A JP H04148188A JP 27290790 A JP27290790 A JP 27290790A JP 27290790 A JP27290790 A JP 27290790A JP H04148188 A JPH04148188 A JP H04148188A
- Authority
- JP
- Japan
- Prior art keywords
- heat medium
- medium liquid
- intermediate heat
- liquefied gas
- low
- 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
Links
- 230000008016 vaporization Effects 0.000 title claims description 48
- 239000007788 liquid Substances 0.000 claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000013535 sea water Substances 0.000 claims abstract description 14
- 238000009834 vaporization Methods 0.000 claims description 44
- 239000006200 vaporizer Substances 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 8
- 238000009833 condensation Methods 0.000 abstract description 5
- 230000005494 condensation Effects 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000001704 evaporation Methods 0.000 abstract 6
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000000638 solvent extraction Methods 0.000 abstract 1
- 238000005192 partition Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、ＬＰＧ或いはＬＮＧ等の如き低温液化ガスを
気化するための装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an apparatus for vaporizing low-temperature liquefied gas such as LPG or LNG.
［従来の技術］２
低温液化ガスの気化装置としては、第２．３図に示すよ
うなオープンラック式気化器か公知である。[Prior Art] 2 As a vaporizer for low-temperature liquefied gas, an open rack vaporizer as shown in Fig. 2.3 is known.
この気化器は、海水を揚水ポンプ２ａて一旦ヘッダー３
ａまて汲み揚げ、このヘッダー３ａからトラフ４ａ内に
注水し、トラフ４ａから熱交換パネルｌａに沿って海水
をオーバーフローさせて熱交換を行い、低温液化ガスを
気化する構成である。This vaporizer pumps seawater to the header 3 after pumping it to the pump 2a.
Water is pumped up into the trough 4a from the header 3a, and the seawater overflows from the trough 4a along the heat exchange panel la to perform heat exchange and vaporize the low-temperature liquefied gas.
［従来技術の課題］
しかし、上記公知例においては、下記の如き問題かある
。[Problems with the Prior Art] However, the above-mentioned known examples have the following problems.
ａ、トラフ４ａからの散水を均一化するため、ヘッダー
３３の各所に偏流防止用の絞りを設けている。このため
、抵抗か増し、この分揚水ポンプ２ａの揚程を大きくす
る必要がある。a. In order to equalize the water sprinkling from the trough 4a, the header 33 is provided with apertures at various locations to prevent uneven flow. For this reason, the resistance increases, and it is necessary to increase the head of the water pump 2a accordingly.
ｂ、熱交換パネルｌａでの散水膜切れを防止すミため、
海水温度か高い場合でも気化に必要な熱１以上の海水量
を汲み揚げて流している。このノめ、過大な動力費かか
かる。b. To prevent the water spray film from breaking on the heat exchange panel la,
Even when the seawater temperature is high, the amount of seawater with a heat level of 1 or more required for vaporization is pumped up and released. This requires excessive power costs.
Ｃ１気化に利用した海水はそのまま排水してし＝うこと
から、冷熱の無駄がある。Since the seawater used for C1 vaporization is simply drained away, there is a waste of cooling energy.
本発明は、上記ａ〜Ｃに記した問題を有しなし低温液化
ガスの気化装置を提案することか目的１ある。The first object of the present invention is to propose a low-temperature liquefied gas vaporization device that does not have the problems described in a to c above.
［課題を解決するための手段］ 本発明の構成は次のとおりである。[Means to solve the problem] The configuration of the present invention is as follows.
気化器塔を減圧自在の中間熱媒体液気化室と鉛湯液化ガ
ス気化室に分けたこと、
中間熱媒体液気化室内には、中間熱媒体液気イ）用熱交
換器を挿入すると共に海水等の温熱源水る導入するよう
にしたこと、
低温液化ガス気化室内には、低温液化ガス気イ）用の熱
交換器を挿入すると共に前記中間熱媒体癌気化用熱交換
器で気化した熱媒蒸気を導入すること、
前記低温液化ガス気化室内底部には、−中間熱媒体液回
収装置を取り付けると共に、この中間熱媒体液回収装置
と前記中間熱媒体液気化用熱交換器間を連通したこと、
を特徴とする低温液化ガスの気化装置。The vaporizer tower is divided into an intermediate heat medium liquid vaporization chamber that can be freely depressurized and a lead water liquefied gas vaporization chamber, and a heat exchanger for intermediate heat medium liquid and gas a) is inserted in the intermediate heat medium liquid vaporization chamber, and a seawater A heat exchanger for the low-temperature liquefied gas (a) is inserted into the low-temperature liquefied gas vaporization chamber, and the heat vaporized by the intermediate heat medium vaporization heat exchanger is inserted into the low-temperature liquefied gas vaporization chamber. introducing a medium vapor, and installing an intermediate heat medium liquid recovery device at the bottom of the low temperature liquefied gas vaporization chamber, and communicating between the intermediate heat medium liquid recovery device and the intermediate heat medium liquid vaporization heat exchanger; A low-temperature liquefied gas vaporization device characterized by the following.
［作用］
中間熱媒体液気化室内には海水の如き温熱源水を導入し
、この温熱源水な熱媒体液気化室内を減圧することによ
り蒸発させる。蒸発した水蒸気は、中間熱媒体液気化用
熱交換器を加熱し、この中の中間熱媒体液を蒸発させる
。蒸発した熱媒蒸気は、低温液化ガス気化室内に導入さ
れ、ここで低温液化ガス気化用熱交換器を加熱し、この
内部の低温液化ガスを気化する。低温液化ガスに熱を与
えて凝縮した中間熱媒体液は、中間熱媒体液回収装置て
回収され、再び中間熱媒体液気化用熱交換器内に導入さ
れ、再気化して低温液化ガスを気化する。[Operation] Heat source water such as seawater is introduced into the intermediate heat medium liquid vaporization chamber, and the heat source water is evaporated by reducing the pressure inside the heat medium liquid vaporization chamber. The evaporated water vapor heats the intermediate heat medium liquid vaporization heat exchanger and evaporates the intermediate heat medium liquid therein. The evaporated heat medium vapor is introduced into the low-temperature liquefied gas vaporization chamber, where it heats the low-temperature liquefied gas vaporization heat exchanger and vaporizes the low-temperature liquefied gas therein. The intermediate heat medium liquid that is condensed by applying heat to the low-temperature liquefied gas is recovered by the intermediate heat medium liquid recovery device, and then introduced into the intermediate heat medium liquid vaporization heat exchanger again, where it is re-vaporized and the low-temperature liquefied gas is vaporized. do.
このようにして低温液化ガスは気化され、消費側へ送出
される。温熱源水は、中間熱媒体液気化室内における水
蒸気の凝縮に基づく減圧作用（真空作用）て水源から吸
引され、吸引ポンプは補助的に使用される。In this way, the low temperature liquefied gas is vaporized and sent to the consumer side. The heat source water is sucked from the water source by a decompression effect (vacuum effect) based on the condensation of water vapor in the intermediate heat medium liquid vaporization chamber, and a suction pump is used auxiliary.
一方、凝縮した温熱源水は、排水ポンプにて排水される
。On the other hand, the condensed heat source water is drained by a drain pump.
［実施例］
第１図に本発明の実施例を示す。符号の１は気化器塔に
して、この気化器塔ｌ内の下段には仕切壁２により中間
熱媒体液気化室３が、上段には低温液化ガス気化室４か
形成されている。[Example] FIG. 1 shows an example of the present invention. Reference numeral 1 designates a vaporizer tower, in which an intermediate heat medium liquid vaporization chamber 3 is formed by a partition wall 2 at the lower stage, and a low-temperature liquefied gas vaporization chamber 4 at the upper stage.
５は前記中間熱媒体液気化室３に温熱源水としての海水
を吸引する吸引パイプにして、途中にはバルブ６が取り
付けられている。なお、この吸引バイブ５には補助的に
吸引ポンプ５ａも取り付けられている。Reference numeral 5 denotes a suction pipe for sucking seawater as a heat source water into the intermediate heat medium liquid vaporization chamber 3, and a valve 6 is installed in the middle. Note that a suction pump 5a is also attached to the suction vibrator 5 as an auxiliary device.
７は前記中間熱媒体液気化室３内に挿入した中間熱媒体
液用熱交換器にして、内部を中間熱媒体液が循環する。Reference numeral 7 designates a heat exchanger for intermediate heat medium liquid inserted into the intermediate heat medium liquid vaporization chamber 3, and the intermediate heat medium liquid circulates inside.
８は前記低温液化ガス気化室４内に挿入された低温液化
ガス用熱交換器にして、内部を低温液化ガスか通る。8 is a heat exchanger for low-temperature liquefied gas inserted into the low-temperature liquefied gas vaporization chamber 4, through which the low-temperature liquefied gas passes.
９は低温液化ガス気化室４内て凝縮し、仕切板２上にた
まった中間熱媒体液か中間熱媒体液用熱交換器７に戻る
循環路にして、以下仕切板２及び循環路９を以って中間
熱媒体液回収装置と称す。Reference numeral 9 designates a circulation path in which the intermediate heat medium liquid condensed in the low-temperature liquefied gas vaporization chamber 4 and accumulated on the partition plate 2 returns to the heat exchanger 7 for intermediate heat medium liquid. Hence, it is referred to as an intermediate heat medium liquid recovery device.
ＩＯは油気ポンプ、１１は海水の排水ピット、１２は排
水ポンプ、１３は排水路を示す。IO is an oil pump, 11 is a seawater drainage pit, 12 is a drainage pump, and 13 is a drainage channel.
上記実施例の作用を次に説明する。The operation of the above embodiment will be explained next.
中間熱媒体液用熱交換器７内及び低温液化ガス気化室４
内の底部には、海水温度により気化して本発する中間熱
媒体液か満たされ、低温液化ガス用熱交換器８内には、
その人口８ａから低温液化ガスか導入され、出口８ｂか
ら気化したガスが消費側へ送出される。Inside of heat exchanger 7 for intermediate heat medium liquid and low temperature liquefied gas vaporization chamber 4
The bottom part of the heat exchanger 8 is filled with an intermediate heat medium liquid that is vaporized by the seawater temperature and generated, and the heat exchanger 8 for low-temperature liquefied gas is filled with:
Low-temperature liquefied gas is introduced from the port 8a, and vaporized gas is sent to the consumption side from the outlet 8b.
中間熱媒体液気化室３内に３いては、導入した海水中の
不凝縮ガスが抽気ポンプｌＯにより脱気され、減圧され
ることにより水蒸気か発生する。In the intermediate heat medium liquid vaporization chamber 3, the non-condensable gas in the introduced seawater is degassed by the extraction pump 1O, and the pressure is reduced to generate water vapor.
この水蒸気は、上昇して中間熱媒体液用熱交換器７内の
中間熱媒体液を加熱し、この加熱により中間熱媒体液は
低温液化ガス気化室４内において蒸発し、低温液化ガス
用熱交換器８内の低温液化ガスを加熱し、これを気化す
る。This water vapor rises and heats the intermediate heat medium liquid in the heat exchanger 7 for intermediate heat medium liquid, and due to this heating, the intermediate heat medium liquid is evaporated in the low temperature liquefied gas vaporization chamber 4, and the intermediate heat medium liquid is evaporated in the low temperature liquefied gas vaporization chamber 4. The low temperature liquefied gas in the exchanger 8 is heated and vaporized.
一方、中間熱媒体液に熱を与えた水蒸気は、凝縮して中
間熱媒体液気化室３内の底部にたまり、排水ピットｌｌ
側へと流れる。On the other hand, the water vapor that has given heat to the intermediate heat medium liquid condenses and accumulates at the bottom of the intermediate heat medium liquid vaporization chamber 3.
flows to the side.
又、水蒸気が凝縮することにより真空となった中間熱媒
体液気化室３内には、吸引バイブ５を経由して差圧によ
り海水か吸引される。Further, seawater is sucked into the intermediate heat medium liquid vaporization chamber 3, which has become vacuum due to the condensation of water vapor, via the suction vibrator 5 due to the differential pressure.
［本発明の効果］
本発明は以上の如き構成と作用から成り、次の如き効果
を期待てきる。[Effects of the present invention] The present invention has the above-described structure and operation, and is expected to have the following effects.
ａ、中間熱媒体液気化室内は、中間熱媒体液の気化とこ
の凝縮に伴う真空作用で減圧するので、この減圧作用て
温熱源水を吸引することかてきる。a. The pressure inside the intermediate heat medium liquid vaporization chamber is reduced by the vacuum effect caused by the vaporization of the intermediate heat medium liquid and its condensation, so that the heat source water can be sucked by this pressure reduction effect.
この結果、温熱源水汲み揚げ用ポンプは無くするか、取
り付けるとしてもその揚程は小さくてよい
よって、設備の小型化と運転経費の削減か可能である。As a result, the pump for pumping up the heat source water can be eliminated, or even if it is installed, its pumping head can be small, making it possible to downsize the equipment and reduce operating costs.
ｂ−中間熱媒体液と温熱源水とを分離したので、中間熱
媒体液のロスかない。b- Since the intermediate heat medium liquid and the heat source water are separated, there is no loss of the intermediate heat medium liquid.
Ｃ０中間熱媒体液気化室内に直接温熱源水を導入するた
め、従来のヘッダーとかトラフの構成が不要となり、装
置のイニシャルコストが安くなる。Since the heat source water is directly introduced into the C0 intermediate heat medium liquid vaporization chamber, the conventional header and trough configurations are not required, and the initial cost of the device is reduced.
ｄ、中間熱媒体液の気化蒸気を利用して低温液化ガスを
気化するため、氷結温度の低い中間熱媒体液の選択によ
り、低温液化ガス用熱交換器に水着現象が発生せず、よ
って負荷変動時に性能の低下はない。d. Low-temperature liquefied gas is vaporized using the vaporized vapor of the intermediate heat medium liquid, so by selecting an intermediate heat medium liquid with a low freezing temperature, the swimsuit phenomenon does not occur in the heat exchanger for low-temperature liquefied gas, and the load is reduced. There is no performance degradation during fluctuations.
第１図は本発明に係る気化装置の説明図、第２図及び第
３図は従来のオープンラック式気化器の説明図である。
ｌ ・・・ 気化器基
２ ・・・ 仕切板
３ ・・・ 中間熱媒体液気化室
４ ・・・ 低温液化ガス気化室
５ ・・・ 吸引バイブ
ロ ・・・ バルブ
７ ・・・ 中間熱媒体液用熱交換器
低温液化ガス用熱交換器
循環路
抽気ボンフ
排水ピット
排水ポンプ
排水路FIG. 1 is an explanatory diagram of a vaporizer according to the present invention, and FIGS. 2 and 3 are explanatory diagrams of a conventional open rack type vaporizer. l ... Vaporizer base 2 ... Partition plate 3 ... Intermediate heat medium liquid vaporization chamber 4 ... Low temperature liquefied gas vaporization chamber 5 ... Suction vibro ... Valve 7 ... Intermediate heat medium liquid Heat exchanger for low-temperature liquefied gas Heat exchanger circulation path Bleed bong drain pit drain pump drain channel
Claims (1)
ス気化室に分けたこと、 中間熱媒体液気化室内には、中間熱媒体液気化用熱交換
器を挿入すると共に海水等の温熱源水を導入するように
したこと、 低温液化ガス気化室内には、低温液化ガス気化用の熱交
換器を挿入すると共に前記中間熱媒体液気化用熱交換器
で気化した熱媒蒸気を導入すること、 前記低温液化ガス気化室内底部には、中間熱媒体液回収
装置を取り付けると共に、この中間熱媒体液回収装置と
前記中間熱媒体液気化用熱交換器間を連通したこと、 を特徴とする低温液化ガスの気化装置。[Claims] The vaporizer tower is divided into an intermediate heat medium liquid vaporization chamber that can freely reduce pressure and a low-temperature liquefied gas vaporization chamber, and a heat exchanger for intermediate heat medium liquid vaporization is inserted into the intermediate heat medium liquid vaporization chamber. At the same time, a heat source water such as seawater is introduced, and a heat exchanger for vaporizing low-temperature liquefied gas is inserted into the low-temperature liquefied gas vaporization chamber, and the intermediate heat medium is vaporized by the heat exchanger for vaporizing the intermediate heat medium liquid. introducing a heat medium vapor; an intermediate heat medium liquid recovery device is installed at the bottom of the low-temperature liquefied gas vaporization chamber, and the intermediate heat medium liquid recovery device and the intermediate heat medium liquid vaporization heat exchanger are communicated with each other; A low-temperature liquefied gas vaporization device characterized by the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2272907A JP2756180B2 (en) | 1990-10-11 | 1990-10-11 | Low temperature liquefied gas vaporizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2272907A JP2756180B2 (en) | 1990-10-11 | 1990-10-11 | Low temperature liquefied gas vaporizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04148188A true JPH04148188A (en) | 1992-05-21 |
| JP2756180B2 JP2756180B2 (en) | 1998-05-25 |
Family
ID=17520421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2272907A Expired - Lifetime JP2756180B2 (en) | 1990-10-11 | 1990-10-11 | Low temperature liquefied gas vaporizer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2756180B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758079A (en) * | 2021-09-01 | 2021-12-07 | 广州韩秀科技有限公司 | Capillary liquid nitrogen pipeline iterative cycle water catching device and using method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4917549A (en) * | 1972-06-12 | 1974-02-16 |
-
1990
- 1990-10-11 JP JP2272907A patent/JP2756180B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4917549A (en) * | 1972-06-12 | 1974-02-16 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758079A (en) * | 2021-09-01 | 2021-12-07 | 广州韩秀科技有限公司 | Capillary liquid nitrogen pipeline iterative cycle water catching device and using method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2756180B2 (en) | 1998-05-25 |
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