JP2001041668A - Water vapor generating device - Google Patents
Water vapor generating deviceInfo
- Publication number
- JP2001041668A JP2001041668A JP11250562A JP25056299A JP2001041668A JP 2001041668 A JP2001041668 A JP 2001041668A JP 11250562 A JP11250562 A JP 11250562A JP 25056299 A JP25056299 A JP 25056299A JP 2001041668 A JP2001041668 A JP 2001041668A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- heat
- pipe
- heat exchange
- heat exchanger
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Landscapes
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、乾燥、殺菌等に使用す
る水蒸気の発生装置に関し、特に大気圧力状態で浄水の
１００℃以上の高温過熱水蒸気の発生を可能とする、常
圧加熱水蒸気の発生装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for generating steam used for drying, sterilization and the like, and more particularly to an apparatus for generating steam having a high temperature of 100.degree. It relates to a generator.
【０００２】[0002]
【従来の技術】従来の蒸気発生機としては、石油、天然
ガス、プロパンなどを原料とするバーナーにより浄水を
加熱したり、電気ヒーターの熱を利用して浄水を加熱し
て蒸気を発生させる蒸気式ボイラーが知られている。大
気圧力で使用する場合は蒸気温度は１００℃であるが、
それ以上の温度の蒸気を得るためには圧力を上げる方法
がある。これらはいずれも使用圧力を１０Ｋｇ／ｃｍ２
以下で使用しているものがほとんどであり、発生する蒸
気温度は１８３℃以下である。2. Description of the Related Art As a conventional steam generator, steam is generated by heating purified water by a burner made of petroleum, natural gas, propane, or the like, or by heating purified water using heat of an electric heater to generate steam. Expression boilers are known. When used at atmospheric pressure, the steam temperature is 100 ° C,
In order to obtain steam at a higher temperature, there is a method of increasing the pressure. Each of them has a working pressure of 10 kg / cm 2.
Most are used below, and the generated steam temperature is 183 ° C. or less.
【０００３】大気圧力で１００℃以上の過熱水蒸気を発
生させるには、発生蒸気を熱交換器で再加熱したり、熱
交換器のかわりに圧縮機で再循環蒸気の一部を圧縮して
フラッシュさせ、過熱水蒸気をつくる方法等がある。そ
の他にはプラズマトーチによる加熱法、電磁誘導による
加熱方法などもある。[0003] In order to generate superheated steam of 100 ° C or more at atmospheric pressure, the generated steam is reheated by a heat exchanger or a part of the recirculated steam is compressed by a compressor instead of the heat exchanger to flash. To produce superheated steam. Other methods include a heating method using a plasma torch and a heating method using electromagnetic induction.
【０００４】[0004]
【発明が解決しようとする課題】従来の蒸気ボイラーで
は、一度の熱交換で１００℃以上の蒸気を利用しようと
すると、浄水、蒸気の通る缶体は、例えば２００℃で１
５．９Ｋｇ／ｃｍ２、３００℃で８７．６Ｋｇ／ｃ
ｍ２、３７０℃で２１４．７Ｋｇ／ｃｍ２の高圧とな
り、設備が高圧化する。熱交換器で再加熱する方法は、
加熱回数が増えその分設備が増える。圧縮機などを利用
し再循環ガスを圧縮する方法は、再循環ガス中の不純物
の除去や結露等の問題が生じてくる。加熱源としてプラ
ズマトーチを利用したり、電磁誘導を利用する方法は、
動力源が電気だけに限られ、発生する蒸気の移送手段を
ファン、ブロアー等の装置を使用しなければならない。
これらはいずれも装置が高価で発生する蒸気の量も限定
されてくる。本発明の水蒸気発生装置は、今までの蒸気
ボイラーの熱交換器を改良するだけで、一度の熱交換
で、大気圧下で１００℃以上の高温の過熱水蒸気の連続
発生を可能にしようとするものである。In a conventional steam boiler, if it is attempted to use steam at a temperature of 100 ° C. or more in one heat exchange, the can body through which the purified water and steam pass is, for example, 200 ° C.
5.9 kg / cm 2 , 87.6 kg / c at 300 ° C.
m 2 , the pressure becomes 214.7 kg / cm 2 at 370 ° C., and the equipment becomes high pressure. The method of reheating with a heat exchanger is
The number of heating increases and the equipment increases accordingly. The method of compressing the recirculated gas using a compressor or the like causes problems such as removal of impurities in the recirculated gas and condensation. The method of using a plasma torch as a heating source or using electromagnetic induction
The power source is limited to electricity only, and a device such as a fan or a blower must be used to transfer the generated steam.
In each of these cases, the apparatus is expensive and the amount of generated steam is limited. The steam generator of the present invention is intended to enable continuous generation of superheated steam having a high temperature of 100 ° C. or more under the atmospheric pressure by a single heat exchange only by improving the heat exchanger of the existing steam boiler. Things.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
の本発明は、水の供給器と、加熱熱源と、複数並列状態
で配置され周方向に連通した複数の環状管と、この環状
管における流入口と流出口の位置が周方向にずれるよう
に前記環状管に形成された複数の流入口及び流出口と、
異なる環状管に形成された前記流入口と前記流出口とを
連通した複数の連通管とからなる熱交換流路と、上記熱
交換流路に連通された水の供給管および排出管とを備え
た熱交換装置とからなる水蒸気発生装置としたものであ
る。環状管の数は２以上の任意の数でよい。前記熱交換
流路を収容する容器を設けると好適である。容器内に蓄
熱材を入れるとよい。容器に断熱材を用いると好適であ
る。本発明の水蒸気発生装置は大気圧より高い圧力又は
低い圧力でも用いることができる。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a water supply device, a heating heat source, a plurality of annular pipes arranged in parallel with each other and communicating with each other in the circumferential direction. A plurality of inflow ports and outflow ports formed in the annular pipe so that the positions of the inflow port and the outflow port in the circumferential direction are shifted,
A heat exchange flow path including a plurality of communication pipes communicating the inflow port and the outflow port formed in different annular pipes; and a water supply pipe and a discharge pipe connected to the heat exchange flow path. And a steam generator comprising a heat exchanger. The number of annular tubes may be any number greater than one. It is preferable to provide a container accommodating the heat exchange channel. It is good to put the heat storage material in the container. It is preferable to use a heat insulating material for the container. The steam generator of the present invention can be used at a pressure higher or lower than the atmospheric pressure.
【０００６】[0006]
【作用】上記のように構成された本発明によれば、容器
内の熱交換流路に送水することにより、熱交換によって
大気圧下で１００℃以上の高温の過熱蒸気を連続して製
造できる。なお、条件によって過熱状態でない通常の水
蒸気が発生するようにもできるし、また送水圧力を高め
たりすることなどにより、条件によって過熱水蒸気の圧
力は大気圧よりも高圧となることもある。According to the present invention constructed as described above, by sending water to the heat exchange flow passage in the container, it is possible to continuously produce superheated steam of 100 ° C. or more under atmospheric pressure by heat exchange. . The pressure of the superheated steam may be higher than the atmospheric pressure depending on the conditions, for example, by generating normal steam that is not in a superheated state, or by increasing the water supply pressure depending on the conditions.
【０００７】[0007]
【実施例】以下、本発明の一実施例について図面を参照
しながら説明する。図１は本発明の一実施例における熱
交換装置を電気ヒーターによって加熱する場合の構成を
示す概略系統図である。図２は本発明の一実施例におけ
る蒸気発生機で使用する熱交換流路の斜視図である。図
３は本発明の他の実施例における蒸気発生機で使用する
熱交換流路の斜視図である。図４は本発明の一実施例に
おける電気ヒーターを使用した過熱水蒸気の温度の時間
変化を表すグラフである。An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic system diagram showing a configuration in a case where a heat exchanger in one embodiment of the present invention is heated by an electric heater. FIG. 2 is a perspective view of a heat exchange channel used in the steam generator according to one embodiment of the present invention. FIG. 3 is a perspective view of a heat exchange channel used in a steam generator according to another embodiment of the present invention. FIG. 4 is a graph showing a time change of the temperature of the superheated steam using the electric heater in one embodiment of the present invention.
【０００８】熱交換装置２は、特開平７−２９４１６２
号公報に開示されているものを用いる。本実施例の熱交
換装置２は、熱交換流路２１、これに浄水を供給する供
給管２２、蒸気を排出する排出管２３とからなってい
る。熱交換流路２１は環状管２４と連通管２５とからな
っでいる。環状管２４の数は２以上の任意の数でよいが
本実施例では４で十分な性能が得られるため４としてい
る。The heat exchanger 2 is disclosed in Japanese Patent Application Laid-Open No. 7-294162.
The one disclosed in Japanese Patent Application Laid-Open Publication No. H10-209400 is used. The heat exchange apparatus 2 of the present embodiment includes a heat exchange flow path 21, a supply pipe 22 for supplying purified water to the heat exchange flow path 21, and a discharge pipe 23 for discharging steam. The heat exchange channel 21 includes an annular tube 24 and a communication tube 25. The number of the annular pipes 24 may be an arbitrary number of 2 or more, but in the present embodiment, 4 is used because sufficient performance can be obtained.
【０００９】熱交換流路２は１００℃以上の温度に耐え
られる材料、例えばＳＴＰＴ管、ＳＴＢ管、ＳＴＢＡ
管、その他、アルミ、銅、ステンレス等により形成する
ことができる。The heat exchange channel 2 is made of a material that can withstand a temperature of 100 ° C. or more, for example, STPT pipe, STB pipe, STBA
It can be formed of a tube, other materials such as aluminum, copper, and stainless steel.
【００１０】熱交換流路２１は、蓄熱材９で満たされた
容器１内に収納されている。容器１は断熱材を用いて蓄
熱効率を上げている。容器１自体を断熱材で形成しても
よいし、また容器１は別の材料で形成しその表面や内面
を断熱材で覆うようにしてもよい。このようにして熱交
換流路２１により熱交換される以外の熱を蓄え、発生熱
量の有効利用をして、消費電力の節減をはかっている。
蓄熱材９としては、ステンレスの端材やセラミックの粉
や粉末セラミックを固化したもの、その他アルミ材等を
用いることができる。The heat exchange channel 21 is housed in the container 1 filled with the heat storage material 9. The container 1 uses a heat insulating material to increase the heat storage efficiency. The container 1 itself may be formed of a heat insulating material, or the container 1 may be formed of another material, and its surface or inner surface may be covered with the heat insulating material. In this way, heat other than heat exchanged by the heat exchange flow path 21 is stored, and the amount of generated heat is effectively used to reduce power consumption.
As the heat storage material 9, stainless steel scrap, ceramic powder or solidified powder ceramic, aluminum material, or the like can be used.
【００１１】熱交換流路２を加熱する熱源としては、石
油、天然ガス、プロパンなどを原料とするバーナー、電
熱器等の各種の熱発生装置が考えられる。本実施例にお
いては電気ヒーター５を用いている。As a heat source for heating the heat exchange channel 2, various heat generating devices such as a burner and an electric heater using petroleum, natural gas, propane or the like as a raw material can be considered. In this embodiment, an electric heater 5 is used.
【００１２】浄水の供給器（図示せず）に接続され、流
量調整弁４が設けられている配管３が熱交換装置２の供
給管２２に接続されている。A pipe 3 connected to a supply of purified water (not shown) and provided with a flow control valve 4 is connected to a supply pipe 22 of the heat exchanger 2.
【００１３】また熱交換装置２の排出管２３は配管６に
より使用側と連通されている。配管６には温度センサー
７が取り付けられており、該温度センサー７の出力は温
度制御装置８に入力される。温度制御装置８は、該温度
センサー７の信号によって温度ヒーター５の消費電力の
コントロールを行い、温度ヒーター５の温度を所定の温
度に設定することにより、発生する蒸気の温度を制御す
る。The discharge pipe 23 of the heat exchange device 2 is connected to the use side by the pipe 6. A temperature sensor 7 is attached to the pipe 6, and an output of the temperature sensor 7 is input to a temperature control device 8. The temperature control device 8 controls the power consumption of the temperature heater 5 by the signal of the temperature sensor 7 and controls the temperature of the generated steam by setting the temperature of the temperature heater 5 to a predetermined temperature.
【００１４】蒸気供給時は、電気ヒーター５により、容
器１内の熱交換流路２１は設定温度まで加熱される。同
時に蓄熱材９も同時に加熱され無駄に熱が放熱されるこ
とを防ぐ。流量調整弁４を通って供給される浄水は、配
管３を通って熱交換流路２１に供給される。熱交換流路
２１により熱交換され、加熱された常圧過熱水蒸気は、
配管６を通って使用側に供給される。At the time of supplying steam, the electric heater 5 heats the heat exchange flow passage 21 in the container 1 to a set temperature. At the same time, the heat storage material 9 is also heated at the same time to prevent wasteful heat radiation. The purified water supplied through the flow control valve 4 is supplied to the heat exchange channel 21 through the pipe 3. The normal pressure superheated steam that has been heat-exchanged and heated by the heat exchange channel 21 is
It is supplied to the use side through the pipe 6.
【００１５】使用側で温度の調整が必要なときは、出口
側配管６に取り付けられた温度センサー７により、温度
制御装置８により電気ヒーター５で消費される電力を調
整し、発生する過熱水蒸気の温度管理を行う。温度制御
装置８は、温度センサー７からの信号が規定値の上限に
達したときに電力を切電し、規定値の下限に達したとき
に入電するようにして、常に一定の温度範囲の蒸気が供
給されるようにする。温度が上限より下限になるまでの
間は、蓄熱材９により熱量を供給して過熱水蒸気を発生
させ、電源の停止時間を長くして、消費電力の節約をは
かっている。When the temperature needs to be adjusted on the use side, the power consumed by the electric heater 5 is adjusted by the temperature control device 8 by the temperature sensor 7 attached to the outlet pipe 6, and the generated superheated steam is removed. Perform temperature control. The temperature controller 8 turns off the power when the signal from the temperature sensor 7 reaches the upper limit of the specified value, and turns on the power when the signal reaches the lower limit of the specified value. Is supplied. Until the temperature falls from the upper limit to the lower limit, heat is supplied by the heat storage material 9 to generate superheated steam, the power supply stop time is lengthened, and power consumption is reduced.
【００１６】以上の構成により、本実施例では図４に示
すような優れた性能が発揮される。すなわち熱交換器だ
けの改良で、浄水を一度の熱交換だけで再加熱すること
なく、大気圧力下での高温過熱水蒸気の発生を可能にし
ている。そのため再循環蒸気を再加熱する必要がないた
め、汚染や結露の問題もなく、清浄な高温過熱水蒸気を
一度の熱交換で連続して発生させることができるため、
特に清浄な高温過熱水蒸気を必要とする病院での殺菌、
食品の加工、乾燥等に適している。また従来のボイラー
の熱交換器だけの改良ですみ、プラズマトーチ、誘電加
熱などの特別な加熱方法を必要としないため、既存の技
術で低コストで小型な装置が製造可能となる。加熱方法
も電気だけに限られず、低コストの石油、天然ガス、プ
ロパンなどを原料とするバーナーによる加熱などでも可
能である。With the above configuration, in this embodiment, an excellent performance as shown in FIG. 4 is exhibited. That is, the improvement of the heat exchanger alone makes it possible to generate high-temperature superheated steam under atmospheric pressure without reheating purified water with only one heat exchange. Because there is no need to reheat the recirculated steam, there is no problem of contamination or condensation, and clean high-temperature superheated steam can be continuously generated by one heat exchange.
In particular, sterilization in hospitals that require clean high-temperature superheated steam,
Suitable for food processing, drying, etc. Further, only the heat exchanger of the conventional boiler can be improved, and a special heating method such as a plasma torch or dielectric heating is not required. Therefore, a low-cost and small-sized apparatus can be manufactured by the existing technology. The heating method is not limited to electricity, and heating by a burner made of low-cost oil, natural gas, propane, or the like is also possible.
【００１７】[0017]
【発明の効果】本発明は以上のように構成されているの
で、熱交換器の改良だけで、過熱水蒸気の発生を可能と
するため、今までの蒸気ボイラーの技術がそのまま利用
可能であり、大容量の高温過熱水蒸気が熱交換装置によ
る一度の熱交換だけで、低コストで安全に連続して供給
できる。また清浄な過熱水蒸気を発生できるため、殺
菌、食品加工、乾燥などの清浄加熱を必要とする分野で
も利用可能である。加熱方法も今までのボイラーと同様
の設備が利用可能で、プラズマ、誘電加熱などの大容量
の電流を必要とする加熱方法に限られない。Since the present invention is configured as described above, it is possible to generate superheated steam only by improving the heat exchanger, so that the conventional steam boiler technology can be used as it is. Large-capacity high-temperature superheated steam can be continuously supplied at low cost and safely with only one heat exchange by the heat exchanger. Further, since clean superheated steam can be generated, it can be used in fields requiring clean heating such as sterilization, food processing, and drying. As the heating method, the same equipment as the conventional boiler can be used, and the heating method is not limited to a heating method such as plasma or dielectric heating which requires a large current.
【図１】本発明の一実施例における電気ヒーターを使用
する水蒸気発生装置の概略系統図である。FIG. 1 is a schematic system diagram of a steam generator using an electric heater according to one embodiment of the present invention.
【図２】本発明の一実施例における水蒸気発生装置で使
用する熱交換流路の斜視図である。FIG. 2 is a perspective view of a heat exchange channel used in the steam generator according to one embodiment of the present invention.
【図３】本発明の他の実施例における水蒸気発生装置で
使用する熱交換流路の斜視図である。FIG. 3 is a perspective view of a heat exchange channel used in a steam generator according to another embodiment of the present invention.
【図４】本発明の一実施例における電気ヒーターを使用
した水蒸気発生装置の一定水量供給時の発生水蒸気温度
の時間変化を表すグラフである。FIG. 4 is a graph showing a time change of a generated steam temperature when a constant amount of water is supplied to a steam generator using an electric heater according to an embodiment of the present invention.
１ 容器 ２ 熱交換装置 ２１ 熱交換流路 ２２ 供給管 ２３ 排出管 ２４ 環状管 ２５ 連通管 ３ 配管 ４ 流量調整弁 ５ 電気ヒーター ６ 配管 ７ 温度センサー ８ 温度制御装置 ９ 蓄熱材 DESCRIPTION OF SYMBOLS 1 Container 2 Heat exchange device 21 Heat exchange flow path 22 Supply pipe 23 Discharge pipe 24 Annular pipe 25 Communication pipe 3 Pipe 4 Flow control valve 5 Electric heater 6 Pipe 7 Temperature sensor 8 Temperature controller 9 Heat storage material
Claims (4)
で配置され周方向に連通した複数の環状管と、この環状
管における流入口と流出口の位置が周方向にずれるよう
に前記環状管に形成された複数の流入口及び流出口と、
異なる環状管に形成された前記流入口と前記流出口とを
連通した複数の連通管とからなる熱交換流路と、上記熱
交換流路に連通された水の供給管および排出管とを備え
た熱交換装置とからなる水蒸気発生装置。1. A plurality of annular pipes arranged in parallel with each other and connected in a circumferential direction with a water supply device, a heating heat source, and a plurality of annular pipes so that positions of an inlet and an outlet in the annular pipe are shifted in the circumferential direction. A plurality of inlets and outlets formed in the annular pipe,
A heat exchange flow path including a plurality of communication pipes communicating the inflow port and the outflow port formed in different annular pipes; and a water supply pipe and a discharge pipe connected to the heat exchange flow path. Steam generator comprising a heat exchanger.
１記載の水蒸気発生装置。2. The steam generator according to claim 1, further comprising a container for housing the heat exchange channel.
蒸気発生装置。3. The steam generator according to claim 2, wherein a heat storage material is placed in the container.
載の水蒸気発生装置。4. The steam generator according to claim 2, wherein a heat insulating material is used in the container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11250562A JP2001041668A (en) | 1999-08-03 | 1999-08-03 | Water vapor generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11250562A JP2001041668A (en) | 1999-08-03 | 1999-08-03 | Water vapor generating device |
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| Publication Number | Publication Date |
|---|---|
| JP2001041668A true JP2001041668A (en) | 2001-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11250562A Pending JP2001041668A (en) | 1999-08-03 | 1999-08-03 | Water vapor generating device |
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| JP (1) | JP2001041668A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006030526A1 (en) * | 2004-09-15 | 2006-03-23 | Nomura Reinetsu Yugengaisha | Heat exchanger and superheated steam generating device using the same |
| WO2012048440A1 (en) * | 2010-10-11 | 2012-04-19 | 日清食品控股株式会社 | Fluid heater |
| CN107728671A (en) * | 2017-11-07 | 2018-02-23 | 深圳市奥德机械有限公司 | A kind of double mode handover control system of automatic steam control and electric heating control |
| KR20190141851A (en) * | 2018-06-15 | 2019-12-26 | 최연홍 | Electrode bar of electrode boiler and control method of heating current using it |
| CN111707121A (en) * | 2020-07-01 | 2020-09-25 | 王军 | Industrial heat exchanger |
-
1999
- 1999-08-03 JP JP11250562A patent/JP2001041668A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006030526A1 (en) * | 2004-09-15 | 2006-03-23 | Nomura Reinetsu Yugengaisha | Heat exchanger and superheated steam generating device using the same |
| US7823543B2 (en) | 2004-09-15 | 2010-11-02 | Nomura Reinetsu Yugengaisha | Heat exchanging apparatus and superheated steam generating apparatus using the same |
| WO2012048440A1 (en) * | 2010-10-11 | 2012-04-19 | 日清食品控股株式会社 | Fluid heater |
| CN103250007A (en) * | 2010-10-11 | 2013-08-14 | 日清食品控股株式会社 | Fluid heater |
| CN107728671A (en) * | 2017-11-07 | 2018-02-23 | 深圳市奥德机械有限公司 | A kind of double mode handover control system of automatic steam control and electric heating control |
| CN107728671B (en) * | 2017-11-07 | 2023-03-28 | 深圳市奥德机械有限公司 | Dual-mode switching control system for steam control and electric heating control |
| KR20190141851A (en) * | 2018-06-15 | 2019-12-26 | 최연홍 | Electrode bar of electrode boiler and control method of heating current using it |
| KR102605445B1 (en) * | 2018-06-15 | 2023-11-23 | (주)지에이 | Electrode bar of electrode boiler and control method of heating current using it |
| CN111707121A (en) * | 2020-07-01 | 2020-09-25 | 王军 | Industrial heat exchanger |
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