JP2005214306A - Manufacturing apparatus for propane air gas for emergency use - Google Patents
Manufacturing apparatus for propane air gas for emergency use Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 title claims description 88
- 239000001294 propane Substances 0.000 title claims description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 238000001704 evaporation Methods 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 16
- 230000008020 evaporation Effects 0.000 claims description 15
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 239000008236 heating water Substances 0.000 claims 1
- 230000008016 vaporization Effects 0.000 abstract description 6
- 238000002156 mixing Methods 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 3
- 238000006467 substitution reaction Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 104
- 239000003915 liquefied petroleum gas Substances 0.000 description 83
- 230000000052 comparative effect Effects 0.000 description 9
- 239000003949 liquefied natural gas Substances 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 6
- 239000000446 fuel Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000009834 vaporization Methods 0.000 description 4
- 239000006200 vaporizer Substances 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000009841 combustion method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- -1 for example Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
Description
この発明は、地震や災害などによって都市ガスの供給が停止した際に、都市ガスに代替が容易で、かつ特定の建物や小規模の設備などへの迅速な供給が可能なプロパン・エアーガスを供給するための緊急用プロパン・エアーガス製造装置に関するものである。 This invention supplies propane / air gas that can be easily replaced by city gas and can be quickly supplied to specific buildings or small-scale facilities when city gas supply stops due to an earthquake or disaster. The present invention relates to an emergency propane / air gas production apparatus.
現在、都市圏では大小ガス事業者によって、都市ガスとして液化天然ガスであるＬＮＧ系ガス、例えば燃焼性能が１３Aに相当する都市ガスを需要者に供給している。また、特定の地域冷暖房設備や大規模ビルの空調設備、コージェネレーション設備などへは、このＬＮＧ系１３A都市ガスが主要なエネルギー供給源であって、地域のガス製造工場から特定の導管網設備によって燃料として供給されている。これらの特定の導管網設備が、地震等の災害時に損傷を受けた場合、上記各ガス利用設備へのＬＮＧ系１３A 都市ガスの供給が停止することが想定される。このような事態になった場合に、この都市ガスに替わる燃料供給源、例えば液化石油ガスであるＬＰＧから製造されるプロパン・エアーガスとして、例えばＬＰＧ１３Aガスが、近隣で簡単に得られ、既存の導管網設備を使用して早急に供給でき、ガス使用施設を地震等の被害による機能停止から立ち上げることが望まれている。 At present, large and small gas companies in urban areas supply LNG-based gas, which is liquefied natural gas, for example, city gas with a combustion performance equivalent to 13A as city gas to consumers. The LNG 13A city gas is a major energy supply source for specific district heating / cooling facilities, large-scale building air conditioning facilities, and cogeneration facilities. It is supplied as fuel. When these specific conduit network facilities are damaged during a disaster such as an earthquake, it is assumed that the supply of the LNG 13A city gas to each of the gas utilization facilities will be stopped. In such a situation, for example, LPG13A gas can be easily obtained in the vicinity as a propane air gas produced from a fuel supply source that replaces this city gas, for example, LPG, which is a liquefied petroleum gas. It is desired to be able to supply quickly using network equipment, and to start up gas-using facilities from the outage due to damage such as earthquakes.
ところで、比較的入手が容易なＬＰＧであるプロパンガスを原料として、プロパン・エアーガスを製造する装置には、図６に示すような集合装置２０とベンチュリーミキサー２１を使用する移動式の小規模なガス製造装置があり、住宅や小規模な施設用に緊急時など一時的に使用されている。この図６に示すガス製造装置は、プロパンガスを充填したガス容器２２を複数連結し、或いは小型のバルク貯槽を用いて（図示せず）、エジェクター２３によって除湿器２４からの乾燥したエアーを吸引し、ＬＰＧとエアーを混合してプロパン・エアーガスを製造する装置である。 By the way, an apparatus for producing propane / air gas using propane gas, which is LPG, which is relatively easy to obtain, as a raw material, is a mobile small-scale gas using a collecting apparatus 20 and a venturi mixer 21 as shown in FIG. There is a manufacturing device, and it is temporarily used for housing and small facilities such as in an emergency. In the gas production apparatus shown in FIG. 6, a plurality of gas containers 22 filled with propane gas are connected or a small bulk storage tank (not shown) is used to suck dry air from the dehumidifier 24 by an ejector 23. The propane / air gas is produced by mixing LPG and air.
また、規模が大きい常設型のプロパン・エアーガス製造設備には、図７に示すようなガス製造装置があり、家庭用燃料、大規模ビルの空調設備、コージェネレーション設備などに使用されている。これらの需要家へは、プロパン・エアーガス製造工場のガス発生設備から配管された導管網を使って供給されている。図７のプロセスフローに示すように、タンクローリー車から受入ローデイングアーム２６及びガスコンプレッサー２７を用いて受け入れたＬＰＧは、ＬＰＧタンク２５に貯められ、液送ポンプ２８でベーパライザー２９に送られる。そして、温水ボイラー３０から温水ポンプ３１で送られた温水によって、上記ＬＰＧは気化される。次いで、エアーコンプレッサー３２と除湿器３３で乾燥して送られたエアーをラインミキサー３４で、上記気化したＬＰＧと混合してガスホルダー３５へ貯めた後に、配管を使って需要家へ圧送し供給されている。 A large-scale permanent propane / air gas production facility includes a gas production apparatus as shown in FIG. 7, which is used for household fuel, large-scale building air conditioning equipment, cogeneration equipment, and the like. These customers are supplied using a conduit network piped from the gas generation facility of the propane / air gas manufacturing plant. As shown in the process flow of FIG. 7, the LPG received from the tank truck using the receiving loading arm 26 and the gas compressor 27 is stored in the LPG tank 25 and sent to the vaporizer 29 by the liquid feed pump 28. The LPG is vaporized by the hot water sent from the hot water boiler 30 by the hot water pump 31. Next, after the air dried and sent by the air compressor 32 and the dehumidifier 33 is mixed with the vaporized LPG by the line mixer 34 and stored in the gas holder 35, it is pumped and supplied to the customer using the piping. ing.
上記のようなＬＰＧを供給する従来技術の発明には、特開２０００−８８１９２号（特許文献１参照）「バルク容器」の発明がある。この発明は、容器の底面に、上下に傾斜するフィン付きパイプを連通して設け、電気エネルギー等の熱源を必要とすることなく液相部気化用吸熱面積の拡大を図り、効率良く気化ガスを外部に供給するバルク容器に関するものである。 The invention of the prior art for supplying LPG as described above includes the invention of “Bulk Container” in Japanese Patent Application Laid-Open No. 2000-88192 (see Patent Document 1). In this invention, a finned pipe that is inclined upward and downward is provided in communication with the bottom surface of the container, and the endothermic area for vaporization of the liquid phase part is increased without the need for a heat source such as electric energy, and the vaporized gas is efficiently generated. The present invention relates to a bulk container supplied to the outside.
また、前記のようなＬＰＧからプロパン・エアー１３Aガスを製造し、災害時に供給できるようにした技術としては、「ＰA−１３A・１２A高カロリー移動式ガス発生設備の開発」（非特許文献１）の資料がある。この従来技術のガス発生設備は、熱量変更等の工事期間や災害時などに、一時的に短期間使用する小型で小規模のガス発生設備である。 In addition, as a technology for producing propane / air 13A gas from LPG as described above and supplying it in the event of a disaster, “Development of PA-13A / 12A high-calorie mobile gas generation facility” (Non-patent Document 1) There are materials. This conventional gas generation facility is a small and small-scale gas generation facility that is temporarily used for a short period of time, such as during a construction period such as a change in calorific value or during a disaster.
地震等で都市ガスの供給が停止した緊急時に、上記比較的入手が容易で取扱いが容易なＬＰＧを原料として、１３A都市ガスと同等の燃焼性を有するプロパン・エアー１３Aガスを製造して、一時的に使用することが考えられている。このプロパン・エアー１３Aガスは、既存のＬＮＧ系１３A都市ガスの配管設備に繋いで、本格的な復旧までの期間、ＬＮＧ系１３A都市ガスに代替する燃料ガスとして使用することが望まれている。 In the event of an emergency when the city gas supply is stopped due to an earthquake, etc. , the propane-air 13A gas having combustibility equivalent to 13A city gas is produced using the LPG that is relatively easy to obtain and easy to handle as a raw material. It is considered to use it. The propane air 13A gas, connecting the plumbing of the existing LNG system 13A city gas, time to full-scale recovery, that it is hoped that the use as a fuel gas to replace the LNG system 13A city gas.
しかしながら、上記図６に示した比較的簡単で小規模、約５〜３０ｍ３／ｈ程度のガス発生量を有する移動式プロパン・エアー１３Aガス製造装置は、ガス容器２２が多数必要で移送及び設置に手間を要し、或いは小型のバルク貯槽（図示せず）を用いたものであっても、比較的大容量のガス発生量を得ることはできず、長い時間に大量消費する需要家には不便で利用が難しい。 However, the relatively simple and small-scale mobile propane / air 13A gas production apparatus having a gas generation amount of about 5 to 30 m 3 / h shown in FIG. 6 requires a large number of gas containers 22 and is transported and installed. However, even if a small bulk storage tank (not shown) is used, it is not possible to obtain a relatively large volume of gas generated. inconvenience in use flame arbitrariness.
また、上記図７に示した大需要家向け定置型の大規模のガス発生量を有し、導管網を使用して供給するプロパン・エアー１３Aガス発生設備は、ＬＰＧタンク２５、ベーパライザー２９、ガスホルダー３５等が必要で、大規模の常設型の装置となるため、緊急時に移動して所定期間使用することはできなかった。 In addition, the propane / air 13A gas generation facility having a large-scale gas generation amount for stationary customers shown in FIG. 7 and supplied using a conduit network includes an LPG tank 25, a vaporizer 29, Since a gas holder 35 and the like are necessary and the apparatus is a large-scale permanent type, it cannot be moved in an emergency and used for a predetermined period.
上記特許文献１の「バルク容器」の発明は、容器に充填された液化ガスを外部の表面積の広いフィン付きパイプに導き液化ガスを、熱源を用いることなく効率よく気化することはできるが、液化ガスの気化量を多くした場合、大型の気化器となり設置スペースが大きくなる。すなわち、加温及び保温を敢えて行わない構造であって気化能力が不足するため、ＰＡ−１３Ａガスなどの混合ガスを大量に効率良く製造する設備としては機能が不十分である。 The invention of the above-mentioned “bulk container” in Patent Document 1 can efficiently evaporate the liquefied gas without using a heat source by introducing the liquefied gas filled in the container into a finned pipe having a large external surface area. When the amount of gas vaporization is increased , a large-sized vaporizer is used, resulting in an increase in installation space. That is, since it has a structure that does not dare to warm and keep warm and has insufficient vaporization capacity , its function is insufficient as equipment for efficiently producing a mixed gas such as PA-13A gas in large quantities .
また、上記非特許文献１の「ＰA−１３A・１２A高カロリー移動式ガス発生設備の開発」の従来技術は、液化プロパンガスを気化して、工事期間や災害時など一時的に短期間使用するものであるが、比較的大規模な所定容量でかつ所定の長期間使用するためには、充分な量と圧力を確保し安定して供給することが難しい。 Further, the conventional technology of “PA-13A / 12A high calorie mobile gas generation facility” in Non-Patent Document 1 vaporizes liquefied propane gas and temporarily uses it for a short period of time, such as during a construction period or a disaster. While those, relatively to use a large predetermined volume a and a predetermined long period of time, sufficient quantity and securing pressure stable it is not difficult to supply.
この発明の目的は、上述の従来技術が有する問題点に鑑みてなされたもので、地震災害などで既設のＬＮＧ系ガスが使用できない緊急の際に、復旧するまでの所定期間、比較的入手し易く取扱いが容易なＬＰＧを使用して効率良く気化しエアーを混合して、ＬＮＧ系ガスに代替可能なプロパン・エアーガスの所定量のガス発生量を安定して供給する装置を提供するものである。 The object of the present invention was made in view of the above-mentioned problems of the prior art. In an emergency where the existing LNG-based gas cannot be used due to an earthquake disaster or the like, it is relatively obtained for a predetermined period until recovery. Provided is an apparatus that stably supplies a predetermined amount of gas generation of propane / air gas that can be efficiently vaporized and mixed with air using LPG that is easy to handle and can be substituted for LNG-based gas. .
請求項１の発明に係る緊急用プロパン・エアーガス製造装置は、熱源と、液体のＬＰＧを貯蔵するＬＰＧタンクと、液体のＬＰＧを蒸発気化させる蒸発部と、エアーを混合して熱量調整をする調整部とを一体にしてコンパクト化した可搬型又は据置型の緊急用プロパン・エアーガス製造装置であって、上記蒸発部は、温水ボイラー又は電熱を用いて、上記ＬＰＧタンクの外周部に被覆部材又は通路部材よりなる保温層を設けた加温機構によって、ＬＰＧタンク内のＬＰＧ液体を気化させるように形成したものである。 The emergency propane / air gas manufacturing apparatus according to the invention of claim 1 is a heat source, an LPG tank that stores liquid LPG, an evaporation unit that evaporates and vaporizes liquid LPG, and an adjustment that adjusts the amount of heat by mixing air. A portable or stationary emergency propane / air gas production apparatus integrated with a part, wherein the evaporating part uses a hot water boiler or electric heat to cover the outer periphery of the LPG tank with a covering member or passage The LPG liquid in the LPG tank is vaporized by a heating mechanism provided with a heat insulating layer made of a member .
また、請求項２の発明に係る緊急用プロパン・エアーガス製造装置は、熱源と、液体のＬＰＧを貯蔵するＬＰＧタンクと、液体のＬＰＧを蒸発気化させる蒸発部と、エアーを混合して熱量調整をする調整部とを一体にしてコンパクト化した可搬型又は据置型の緊急用プロパン・エアーガス製造装置であって、上記ＬＰＧタンクは水槽内に設置し、上記蒸発部は、該水槽の水を加温する水中燃焼装置によって、ＬＰＧタンク内のＬＰＧ液体を気化させるように形成したものである。 The emergency propane / air gas production apparatus according to the invention of claim 2 is a heat source, an LPG tank for storing liquid LPG, an evaporation unit for evaporating and evaporating liquid LPG, and air to adjust heat quantity. A portable or stationary emergency propane / air gas production apparatus that is integrated with an adjustment unit that performs compaction, wherein the LPG tank is installed in a water tank, and the evaporation part heats the water in the water tank. The LPG liquid in the LPG tank is vaporized by the underwater combustion device.
請求項１の発明に係る緊急用プロパン・エアーガス製造装置は、ＬＰＧタンク及び蒸発部などを一体コンパクト化して可搬型又は据置型としたので、地震など災害時にガスの供給が停止した際に、上記緊急用プロパン・エアーガス製造装置を現地に搬送設置し、又は据置きの予備装置を用いて既設配管に接続し、このガス製造装置を稼動させて、都市ガスに代替させたプロパン・エアーガスを供給することができる。熱源に温水ボイラーを用いて行う場合には、貯蔵しているＬＰＧなどを燃焼させて簡単に温水を製造し、この温水を使用してガスを発生させることができ、バッテリーなどの電熱を用いて行う場合には、短時間に簡単に始動し、ガスを発生することができ、自家発電の電熱を用いて行う場合には、発電とガス製造を同時に行う設備とすることも可能となる。そして、蒸発部は、ＬＰＧタンクの外周部に被覆部材又は通路部材よりなる保温層を備えた加温機構を設けているので、ＬＰＧタンク全体を熱効率良く加温しかつ保温状態を維持して、大容量の気化ガスを所定の圧力で継続的に安定して発生させることができる。 Since the emergency propane / air gas production apparatus according to the invention of claim 1 is made compact and portable, such as an LPG tank and an evaporation unit, when the gas supply is stopped at the time of disaster such as an earthquake, the above-mentioned Emergency propane / air gas production equipment is transported and installed on site, or connected to existing pipes using deferred spare equipment, and this gas production equipment is operated to supply propane / air gas substituted for city gas be able to. When using a hot water boiler as a heat source, it is possible to easily produce hot water by burning stored LPG, etc., and generate gas using this hot water. When performing, it can start easily in a short time and generate | occur | produce gas, and when performing using the electric heat of private power generation, it can also be set as the installation which performs electric power generation and gas manufacture simultaneously. And since the evaporating part is provided with a heating mechanism provided with a heat insulating layer made of a covering member or a passage member on the outer peripheral part of the LPG tank, the entire LPG tank is heated efficiently and maintained in a warm state, A large volume of vaporized gas can be continuously generated stably at a predetermined pressure.
また、請求項２の発明に係る緊急用プロパン・エアーガス製造装置は、ＬＰＧタンクは水槽内に設置し、上記蒸発部は水中燃焼装置によって水槽の水を加温し、ＬＰＧタンク内のＬＰＧ液体を気化させるように形成したので、水槽の水を一定温度に加温保持し安定して所定量と所定圧力の蒸発気化ガスを発生させることができる。そして、貯蔵しているＬＰＧを燃焼させて水槽の水を温めるようにした場合には、外部からの燃料源を必要とすることなくＬＰＧを有効利用することができる。また水槽内の水は、用水や温水として有効利用することが可能となる。 Further, in the emergency propane / air gas production apparatus according to the invention of claim 2, the LPG tank is installed in the water tank, the evaporation section warms the water in the water tank by the underwater combustion device, and the LPG liquid in the LPG tank is supplied. Since it is formed so as to be vaporized, the water in the water tank is kept warm at a constant temperature, and the vaporized gas having a predetermined amount and a predetermined pressure can be generated stably. When the stored LPG is burned to warm the water in the water tank, the LPG can be used effectively without requiring an external fuel source. Further, the water in the water tank can be effectively used as irrigation water or hot water.
この発明に係る緊急用プロパン・エアーガス製造装置の実施の形態について、図１乃至図５を参照して説明する。図１は第１の実施形態例で、ＬＰＧタンクの外周部に加温構造の被覆部材よりなる保温層を設けてＬＰＧタンクを温める場合を示す側面説明図、図２は第２の実施形態例で、ＬＰＧタンクの外周部に加温構造の通路部材よりなる保温層を設けてＬＰＧタンクを温める場合を示す側面説明図、図３は第３の実施形態例で、ＬＰＧタンクを収容する水槽を使用し、サブマージド式燃焼方法で水槽内の水を加温してＬＰＧタンクを温める場合を示す側面説明図である。また、図４はボイラー構造を利用した第１の比較例で、挿入した温水管でＬＰＧタンクを温める場合を示す側面説明図、図５はヒーター構造を利用した第２の比較例で、投入した伝熱管でＬＰＧタンクを温める場合を示す側面説明図である。 An embodiment of an emergency propane / air gas production apparatus according to the present invention will be described with reference to FIGS. FIG. 1 is a first embodiment example, and is a side explanatory view showing a case where a heat insulating layer made of a covering member having a heating structure is provided on the outer peripheral portion of an LPG tank to warm the LPG tank, and FIG. 2 is a second embodiment example. in a side explanatory view showing the case where heat the LPG tank provided with a heat insulating layer on an outer peripheral portion of the LPG tank consisting warming structure of the passage member, Fig 3 is a third embodiment, the water tank for accommodating the LPG tank It is side explanatory drawing which shows the case where the LPG tank is warmed by using the submerged combustion method and heating the water in the water tank. FIG. 4 is a first comparative example using a boiler structure, and is an explanatory side view showing a case where an LPG tank is warmed by an inserted hot water pipe, and FIG. 5 is a second comparative example using a heater structure. It is side surface explanatory drawing which shows the case where an LPG tank is warmed with a heat exchanger tube.
この発明に係る緊急用プロ
パン・エアーガス製造装置は、熱源１と、液化石油ガスであるＬＰＧを貯蔵するＬＰＧタンク２と、液体のＬＰＧを蒸発気化させる蒸発部３と、エアーを所定量混合して熱量調整を行う調整部４を一体にしてコンパクト化した可搬型又は据置型の装置とする。調整部４は、蒸発気化したＬＰＧと、除湿器８で乾燥させたエアーをベンチュリーミキサー７によって混合して熱量調整を行うように形成する。
The emergency propane / air gas production apparatus according to the present invention comprises a heat source 1, an LPG tank 2 for storing LPG, which is a liquefied petroleum gas, an evaporation unit 3 for evaporating and evaporating liquid LPG, and a predetermined amount of air. A portable type or a stationary type device in which the adjustment unit 4 for adjusting the amount of heat is integrated into a compact size is used. The adjustment unit 4 is formed so as to adjust the amount of heat by mixing the vaporized LPG and the air dried by the dehumidifier 8 by the venturi mixer 7.
図１に示すように、熱源１は、蓄電池やソーラー電池等のバッテリー或いは自家発電の発電機などの電源５とした場合である。このような独立した電源５を用いたものは、緊急用電気設備との併用も可能となる。ＬＰＧタンク２は、例えば２００〜１０，０００ｋｇ程度の貯蔵量とする。そして、プロパン・エアーガスの発生量は約２０〜２００ｍ３／ｈ程度となるようにする。蒸発部３は、ＬＰＧタンク２の外周部に加温機構６として、加熱材を内在させた被覆部材６Ａよりなる保温層を設けて加温するように形成する。この被覆部材６Ａは、例えば電熱線や炭素繊維などを用いた布状や帯状のヒーター、コイルヒーターなどの電熱ヒーターをタンク外周面に巻き、その外面にグラス繊維やウレタン発泡材等の断熱材をマット状やシート状のパネルタイプにして被覆形成する。このように、被覆部材６Ａをパネルタイプにして取付け取外しが簡単に出来る構造とした場合には、外部からの点検や修復が容易にできる。そして、プロパン・エアーガスの製造時には被覆部材６Ａの電熱ヒーターを用いてＬＰＧタンクを加温保持し、ガスを製造しない通常時には加温することなくＬＰＧタンク内を低温状態に断熱保持する。 As shown in FIG. 1, the heat source 1 is a battery 5 such as a storage battery or a solar battery, or a power source 5 such as a private power generator. Those using such an independent power source 5 can be used in combination with emergency electrical equipment. The LPG tank 2 has a storage amount of about 200 to 10,000 kg, for example. The amount of propane / air gas generated is about 20 to 200 m 3 / h. The evaporating unit 3 is formed so as to heat the outer peripheral portion of the LPG tank 2 as a heating mechanism 6 by providing a heat insulating layer made of a covering member 6A containing a heating material. The covering member 6A is formed by winding an electric heater such as a cloth-like or belt-like heater using a heating wire, carbon fiber, or a coil heater around the outer peripheral surface of the tank, and a heat insulating material such as glass fiber or urethane foam on the outer surface. A mat-like or sheet-like panel type is formed by coating. As described above, when the cover member 6A is of a panel type and has a structure that can be easily attached and detached, inspection and repair from the outside can be easily performed. When the propane / air gas is manufactured, the LPG tank is heated and held using the electric heater of the covering member 6A, and when the gas is not manufactured, the LPG tank is insulated and held at a low temperature without heating.
図２に示すように、熱源１は温水ボイラーによる温水、或いは加熱器とファン等による温風を用いて、ＬＰＧタンクの外側に加温機構６として温水又は温風を通す通路部材６Ｂよりなる保温層を設けて加温するように形成する。この通路部材６Ｂの構造は、ＬＰＧタンクの外側に外殻を設けた二重殻タンクとし、内殻と外殻の間を狭い間隙として図示例の破線に示すように、内殻に沿って内殻と外殻の間に仕切り板を設け、温水や温風などの流体を長い経路で通し、加温及び保温の熱効率を向上するように形成する。また、図示のように温水抜きのドレンバルブや空気抜きバルブを設けているので、ＬＰＧ１３Ａガスの供給停止時には、温水又は温風を順次排出することができるため、短時間でＬＰＧタンクを低温状態にすることが可能となる。このように、ＬＰＧタンクの外周部に加温機構６を設けたものは、外部からの加温特性がよくなり、所定容量と所定圧力の気化ガスを継続的に安定して供給することができる。 As shown in FIG. 2, the heat source 1 uses warm water from a hot water boiler or warm air from a heater and a fan, etc., and the heat source 1 is constituted by a passage member 6B that passes warm water or warm air as a heating mechanism 6 outside the LPG tank. A layer is provided and heated. The structure of the passage member 6B is a double shell tank having an outer shell provided outside the LPG tank, and a narrow gap between the inner shell and the outer shell is shown along the inner shell along the inner shell as shown by the broken line in the illustrated example. A partition plate is provided between the shell and the outer shell, and a fluid such as hot water or hot air is passed through a long path so as to improve the thermal efficiency of heating and heat retention . Also, as shown in the figure, since a drain valve and an air vent valve for removing hot water are provided, when the supply of LPG 13A gas is stopped, hot water or hot air can be discharged sequentially, so that the LPG tank is brought into a low temperature state in a short time. It becomes possible. Thus, what provided the heating mechanism 6 in the outer peripheral part of the LPG tank improves the warming characteristic from the outside, and can supply the vaporized gas of a predetermined capacity and a predetermined pressure continuously and stably. .
また、図３に示すように、サブマージド式燃焼方法によるガス発生装置では、ＬＰＧタンク２は、水に浸る部位を９割程度とするように溢流部１０を付設し、水槽９内に浸漬設置する。そして、ＬＰＧを燃焼させる水中バーナー１１とブロア１２からなる水中燃焼装置によって水槽９の水を加温し、ＬＰＧタンク２内の蒸発部３でＬＰＧを蒸発させる。この蒸発気化したＬＰＧに、除湿器８で乾燥させたエアーをベンチュリーミキサー７にて混合し熱量調整して、プロパン・エアーガスとして供給する。 As shown in FIG. 3, in the gas generator using the submerged combustion method, the LPG tank 2 is provided with an overflow portion 10 so that the portion immersed in water is about 90%, and is immersed in the water tank 9. To do. Then, the water in the water tank 9 is heated by an underwater combustion apparatus comprising an underwater burner 11 and a blower 12 that burns LPG, and the LPG is evaporated by the evaporation unit 3 in the LPG tank 2. The vaporized LPG is mixed with air dried by the dehumidifier 8 by the venturi mixer 7 to adjust the amount of heat and supplied as propane / air gas.
このように、サブマージド式のガス発生装置では、例えばＬＰＧタンク２に貯蔵されているＬＰＧを利用して燃焼させ、併設した非常用発電機などを使用してガスを発生させることができる。すなわち、水中バーナー１１とブロア１２からなるＬＰＧの水中燃焼装置によって水槽９全体を所定温度に保持するので、ＬＰＧタンク２の周囲から全体を加温し、安定的に継続してプロパン・エアーガスを発生させることができる。また、水抜きバルブを設けているので、ＬＰＧ１３Ａガスの供給停止時には、温水を順次排出することが出来、短時間でＬＰＧタンクを低温状態にすることが可能であり、また内部点検なども容易にできる。そして、水槽９の水や温水を災害時の用水として有効利用することも可能となり、さらに図示に位置するマンホールから、水中燃焼装置の点検やメンテナンスを容易に行うことができる。 As described above, in the submerged gas generator, for example, combustion can be performed using LPG stored in the LPG tank 2, and gas can be generated using an emergency generator or the like provided therewith . That is, since the entire water tank 9 is maintained at a predetermined temperature by the LPG underwater combustion device comprising the underwater burner 11 and the blower 12, the entire water tank 9 is heated from the periphery of the LPG tank 2 and propane / air gas is stably generated continuously. Can be made. In addition, since the water drain valve is provided, when the supply of LPG13A gas is stopped, the hot water can be discharged sequentially, the LPG tank can be brought to a low temperature state in a short time, and the internal inspection can be easily performed. it can. And it becomes possible to use effectively the water and warm water of the water tank 9 as water for use at the time of a disaster, and also the inspection and maintenance of an underwater combustion apparatus can be easily performed from the manhole located in the figure.
図4に示す比較例１は、ボイラー構造を利用した多管式熱交換型のものであって、ＬＰＧを貯蔵している槽、つまりＬＰＧタンク２の中に温水管１５を挿入し、蒸発部３は、温水管１５に温水を熱媒体として通してＬＰＧを蒸発させ気化する。そして、取り出したＬＰＧをベンチュリーミキサー７に導入し、除湿器８で乾燥させたエアーと混ぜてプロパン・エアーガスとして供給する。このように、温水ボイラー１３で温水を造り、温水ポンプ１４によって循環使用するように形成し、温水管１５を挿入した蒸発部３でＬＰＧを気化させるので、簡便に加温することができる。しかしながら、この比較例１の構造は、ＬＰＧの液量変化によって蒸発量の変動が生じ、またＬＰＧの液中に浸る温水管１５が気相に露出して空焚き状態にならないように配慮する必要があるため、熱量調整及び液面確認が必要となる。この点で、実施形態例１乃至３のようなＬＰＧタンク全体を平均に加温する構造は、液量変化による熱量調整や液面管理は必要としないため、操作性と安全性が優れている。 Comparative Example 1 shown in FIG. 4 is a multi-tube heat exchange type utilizing a boiler structure, and a hot water pipe 15 is inserted into a tank storing LPG, that is, LPG tank 2, and an evaporation section 3 evaporates and vaporizes LPG by passing hot water as a heat medium through the hot water pipe 15. The taken out LPG is introduced into the venturi mixer 7, mixed with the air dried by the dehumidifier 8, and supplied as propane / air gas. In this way, warm water is made by the warm water boiler 13 and formed so as to be circulated by the warm water pump 14, and the LPG is vaporized by the evaporation section 3 into which the warm water pipe 15 is inserted. Therefore, the warm water can be easily heated. However, in the structure of the comparative example 1, it is necessary to consider that the evaporation amount fluctuates due to the change in the LPG liquid amount, and that the hot water pipe 15 immersed in the LPG liquid is not exposed to the gas phase and becomes empty. because there is, heat adjustment and liquid level check is required. In this respect, the structure that heats the entire LPG tank as an average as in Embodiments 1 to 3 does not require heat amount adjustment or liquid level management due to the change in the liquid amount, and thus has excellent operability and safety. .
図５に示す比較例２は、投入ヒーター構造を利用した伝熱管１７を使用して温めるものであって、蒸発部３は、電熱器１６から管内にヒーターを通した伝熱管１７をＬＰＧタンク２の中に投入して加温する構造とする。このように、電熱器１６と伝熱管１７を用いるものは、構造が簡単で設備を小さくすることができる。しかしながら、この比較例２の構造も上記比較例１の構造と同様に、液量変化による蒸発量及び熱量変動が生じ、また空焚き状態を防止しなければならないため、それらの調整が必要となり、実施形態例１乃至３のようなＬＰＧタンク全体を平均に加温する構造よりも操作性や安全性に配慮を要する。 The comparative example 2 shown in FIG. 5 heats the heat transfer tube 17 using the input heater structure, and the evaporator 3 converts the heat transfer tube 17 that has passed the heater from the electric heater 16 into the LPG tank 2. The structure is heated by putting it in the inside. Thus, what uses the electric heater 16 and the heat exchanger tube 17 has a simple structure and can make an installation small. However, similarly to the structure of Comparative Example 1, the structure of Comparative Example 2 causes evaporation amount and heat fluctuation due to the change in the liquid amount, and it is necessary to prevent an empty state, so that adjustment thereof is necessary . than structure to heat the entire LPG tank to average such as the embodiment examples 1 to 3 shall be subject to consideration for operability and safety.
この発明のプロパン・エアーガス製造装置は、ＬＰＧタンクに気化部を一体にしてユニット化されているので、コンテナに収納して車両等で運搬し、或いは需要設備の近傍に常設して、都市ガスが使用できない緊急時などに都市ガス配管設備に接続し、或いは切り替えて、都市ガスが復旧するまでの所定期間、所定容量のプロパン・エアーガスを効率良く安定して供給することができる。 Since the propane / air gas production apparatus of this invention is unitized by integrating the vaporization part into the LPG tank, it is housed in a container and transported by a vehicle or the like, or is installed in the vicinity of the demand facility, and city gas is generated. It is possible to efficiently and stably supply a predetermined volume of propane / air gas for a predetermined period until the city gas is restored by connecting or switching to the city gas piping facility in an emergency that cannot be used.
１熱源 ２ＬＰＧタンク ３蒸発部 ４調整部 ５電源 ６加温機構 ６Ａ被覆部材 ６Ｂ通路部材 ７ベンチュリーミキサー ８除湿器 ９水槽 １０伝熱フィン １１水中バーナー １２ブロア １３温水ボイラー １４温水ポンプ １５温水管 １６電熱器 １７伝熱管 ２０集合装置 ２１ベンチュリーミキサー ２２ガス容器 ２３エジェクター ２４除湿器 ２５ＬＰＧタンク ２６ローデイングアーム ２７コンプレッサー ２８液送ポンプ ２９ベーパライザー ３０温水ボイラー ３１温水ポンプ ３２エアーコンプレッサー ３３除湿器 ３４ラインミキサー ３５ガスホルダー DESCRIPTION OF SYMBOLS 1 Heat source 2LPG tank 3 Evaporating part 4 Adjustment part 5 Power source 6 Heating mechanism 6A Cover member 6B Passage member 7 Venturi mixer 8 Dehumidifier 9 Water tank 10 Heat transfer fin 11 Submersible burner 12 Blower 13 Hot water boiler 14 Hot water pump 15 Hot water pipe 16 Electric heat 17 Heat transfer tube 20 Assembly device 21 Venturi mixer 22 Gas container 23 Ejector 24 Dehumidifier 25 LPG tank 26 Loading arm 27 Compressor 28 Liquid feed pump 29 Vaporizer 30 Hot water boiler 31 Hot water pump 32 Air compressor 33 Dehumidifier 34 Line mixer 35 Gas holder
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| JP2015055269A (en) * | 2013-09-10 | 2015-03-23 | 住友精密工業株式会社 | Submerged combustion type vaporization device |
| JP2017207272A (en) * | 2016-05-11 | 2017-11-24 | Ｉ・Ｔ・Ｏ株式会社 | Mixture gas manufacturing device |
| JP2018189341A (en) * | 2017-05-11 | 2018-11-29 | リンナイ株式会社 | Fuel gas combustion device |
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| JPH094799A (en) * | 1995-06-16 | 1997-01-07 | Chiyoda Corp | Heat-exchange system for low temperature liquefied gas |
| JP2000291891A (en) * | 1999-04-06 | 2000-10-20 | Yazaki Corp | Bulk feeder |
| JP2001280588A (en) * | 2000-03-31 | 2001-10-10 | Shonan Giken Kk | Liquid gas supply device |
| JP2003090494A (en) * | 2001-09-19 | 2003-03-28 | Sumisho Metalex Corp | Vaporization accelerating device of bulk reservoir |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008002565A2 (en) * | 2006-06-28 | 2008-01-03 | Praxiar Technology, Inc. | Energy delivery system for a gas transport vessel |
| WO2008002565A3 (en) * | 2006-06-28 | 2008-02-07 | Praxiar Technology Inc | Energy delivery system for a gas transport vessel |
| US7778530B2 (en) | 2006-06-28 | 2010-08-17 | Praxair Technology, Inc. | Energy delivery system for a gas transport vessel containing low vapor pressure gas |
| US8447175B2 (en) | 2006-06-28 | 2013-05-21 | Praxair Technology, Inc. | Energy delivery system for a gas transport vessel containing low vapor pressure gas |
| WO2009015719A1 (en) * | 2007-07-30 | 2009-02-05 | Linde Aktiengesellschaft | Device for blowing gases |
| JP2009115322A (en) * | 2009-01-27 | 2009-05-28 | Toyota Motor Corp | Tank |
| JP2013127242A (en) * | 2011-11-18 | 2013-06-27 | Osaka Gas Co Ltd | Gas mixture supplying system |
| JP2014181861A (en) * | 2013-03-19 | 2014-09-29 | Osaka Gas Co Ltd | Air-fuel mixture supply system |
| JP2014214882A (en) * | 2013-04-22 | 2014-11-17 | 大阪瓦斯株式会社 | Gaseous mixture supply system and gaseous mixture supply device used in gaseous mixture supply system |
| JP2015055269A (en) * | 2013-09-10 | 2015-03-23 | 住友精密工業株式会社 | Submerged combustion type vaporization device |
| JP2017207272A (en) * | 2016-05-11 | 2017-11-24 | Ｉ・Ｔ・Ｏ株式会社 | Mixture gas manufacturing device |
| JP2018189341A (en) * | 2017-05-11 | 2018-11-29 | リンナイ株式会社 | Fuel gas combustion device |
| WO2020013425A1 (en) * | 2018-07-11 | 2020-01-16 | 에스케이가스 주식회사 | Fuel gas supply device |
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