KR20060095491A - Boiler driving power supply system - Google Patents

Boiler driving power supply system Download PDF

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KR20060095491A
KR20060095491A KR1020060018649A KR20060018649A KR20060095491A KR 20060095491 A KR20060095491 A KR 20060095491A KR 1020060018649 A KR1020060018649 A KR 1020060018649A KR 20060018649 A KR20060018649 A KR 20060018649A KR 20060095491 A KR20060095491 A KR 20060095491A
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South Korea
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steam
boiler
power
driving power
supply system
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KR1020060018649A
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Korean (ko)
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유지 요시나리
히데오 후루카와
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미우라고교 가부시키카이샤
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Publication of KR20060095491A publication Critical patent/KR20060095491A/en

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K93/00—Floats for angling, with or without signalling devices
    • A01K93/02—Floats for angling, with or without signalling devices with signalling devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
    • F22B33/18—Combinations of steam boilers with other apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K13/00—General layout or general methods of operation of complete plants
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K97/00—Accessories for angling
    • A01K97/12—Signalling devices, e.g. tip-up devices
    • A01K97/125—Signalling devices, e.g. tip-up devices using electronic components
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/008—Leisure, hobby or sport articles, e.g. toys, games or first-aid kits; Hand tools; Toolboxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • F21W2111/04—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for waterways
    • F21W2111/047—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for waterways for light-buoys
    • 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
    • Y02E60/10—Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
  • Control Of Turbines (AREA)

Abstract

보일러 구동전력 공급시스템(1)은, 증기보일러(2)에서 발생시킨 증기를 부하장치로 공급하는 증기라인(5)에 설치된 증기발전수단(3)과, 이 증기발전수단(3)으로부터의 전력을, 상기 증기보일러(2)의 구동전력으로서 축전하는 축전수단(4)을 구비하였다.The boiler driving power supply system 1 includes steam generating means 3 installed in a steam line 5 for supplying steam generated by the steam boiler 2 to a load device, and electric power from the steam generating means 3. Power storage means 4 for storing power as a driving power of the steam boiler 2.

이것에 의해, 상기 증기보일러(2)로부터의 증기를 부하장치로 공급하면서, 그 증기를 이용하여 발전한 전력을, 상기 증기보일러(2)의 구동전력으로서 상기 축전수단(4)에 축전하기 때문에, 증기가 공급되고 있지 않은 상기 증기보일러(2)의 기동(起動)시에 있어서도, 보일러 구동전력을 확보하는 것이 가능하게 되고, 또한 저부하시 혹은 부하변동시에 있어서도, 충분한 보일러 구동전력을 확보하는 것이 가능하게 되어, 상기 증기보일러(2)의 구동전력을 상시 안정적으로 공급할 수 있다.As a result, while the steam from the steam boiler 2 is supplied to the load device, the electric power generated using the steam is stored in the power storage means 4 as the driving power of the steam boiler 2. It is possible to ensure the boiler drive power even when the steam boiler 2 is not supplied with steam, and also to ensure sufficient boiler drive power even at low load or load fluctuations. This makes it possible to supply the driving power of the steam boiler 2 stably at all times.

Description

보일러 구동전력 공급시스템{BOILER DRIVING POWER SUPPLY SYSTEM}Boiler Driving Power Supply System {BOILER DRIVING POWER SUPPLY SYSTEM}

도 1은, 본 발명에 따른 보일러 구동전력 공급시스템의 제 1 실시예의 구성을 나타내는 개략적인 설명도이다.1 is a schematic explanatory diagram showing a configuration of a first embodiment of a boiler driving power supply system according to the present invention.

도 2는, 본 발명에 따른 보일러 구동전력 공급시스템의 제 2 실시예의 구성을 나타내는 개략적인 설명도이다.2 is a schematic explanatory diagram showing a configuration of a second embodiment of a boiler driving power supply system according to the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

1, 10 : 보일러 구동전력 공급시스템 2 : 증기보일러1, 10: boiler driving power supply system 2: steam boiler

3 : 증기발전수단 4 : 축전수단3: steam power generation means 4: power storage means

5 : 증기라인 6 : 증기터빈5: steam line 6: steam turbine

7 : 발전기 11 : 급수라인7 generator 11 water supply line

12 : 급수탱크 13 : 급수가열수단12: water supply tank 13: water supply heating means

14 : 가열용 증기공급라인 15 : 밸브14: heating steam supply line 15: valve

본 발명은, 증기보일러의 구동전력을 공급하는 시스템에 관한 것이다.The present invention relates to a system for supplying driving power of a steam boiler.

종래부터, 급수를 가열하여 증기를 발생시켜, 이 증기를, 예를 들면 공장에 있어서의 생산설비 등의 부하장치에 공급하는 증기보일러가 알려져 있다(일본 특허공개 2004-138301호 공보 참조.)DESCRIPTION OF RELATED ART Conventionally, the steam boiler which heats feed water and produces | generates steam and supplies this steam to load apparatuses, such as a production facility in a factory, is known (refer Japanese Unexamined-Japanese-Patent No. 2004-138301).

이 증기보일러에 있어서는, 예를 들면 연소실내로 연소용 공기를 보내는 송풍기를 구동하기 위한 전력이나, 보일러 제어용의 전력 등의 보일러 구동전력이 필요하고, 종래, 이 보일러 구동전력은, 상용(商用)전원으로부터 공급되고 있다.In this steam boiler, boiler driving power, such as electric power for driving the blower which sends combustion air to a combustion chamber, electric power for boiler control, etc. is required, and conventionally, this boiler driving power is commercially available. It is supplied from the power supply.

그러나, 증기보일러에서 발생시킨 증기를 부하장치로 공급하면서, 그 증기를 이용하여 발전을 실시하고, 이 전력을 상기 증기보일러의 구동전력으로서 이용하면, 전원의 배선비용이 들지 않고, 전기세도 불필요해지므로 경제적이다. 또한, 정전 등에 의해서 외부로부터 전력을 공급할 수 없는 경우에도, 상기 증기보일러를 운전할 수 있다고 하는 장점도 있다.However, if the steam generated by the steam boiler is supplied to the load device and the power is generated using the steam, and this power is used as the driving power of the steam boiler, the wiring cost of the power supply is not required and the electricity bill is also unnecessary. It is economical. In addition, the steam boiler can be operated even when electric power cannot be supplied from the outside due to a power failure.

그런데, 이와 같이 상기 증기보일러에서 발생시킨 증기를 이용하여 발전하고, 이 전력을 상기 증기보일러의 구동전력으로서 이용하는 경우, 다음과 같은 문제가 있다. 즉, 상기 증기보일러의 기동(起動)시에는, 증기가 공급되고 있지 않기 때문에 발전을 실시하지 못하여, 상기 증기보일러의 기동시의 전력을 확보할 수 없다.However, when power is generated by using the steam generated by the steam boiler in this way, there is the following problem when this power is used as the driving power of the steam boiler. That is, at the start of the steam boiler, since no steam is supplied, power generation cannot be performed and power at the start of the steam boiler cannot be secured.

또한, 상기 부하장치에 있어서 필요하게 되는 증기량이 적은 경우(즉 저부하시)에는, 충분한 보일러 구동전력을 발전할 수 없을 우려가 있다. 또한, 상기 부하장치가 필요로 하는 증기량이 증가했을 경우(즉 부하 변동시), 상기 증기보일러를 저연(低燃)상태로부터 고연(高燃)상태로 전환할 필요가 있지만, 고연상태로의 전환시에는 보일러 구동전력량이 증대하기 때문에, 지금까지의 증기량으로는 이것 에 알맞은 발전을 실시하기 위한 증기가 확보되지 않아, 전력이 부족할 우려가 있다.In addition, when the amount of steam required for the load device is small (that is, at low load), there is a fear that sufficient boiler driving power cannot be generated. In addition, when the amount of steam required by the load device increases (i.e. during load fluctuations), it is necessary to switch the steam boiler from the low smoke state to the high smoke state, but to switch to the high smoke state. Since the amount of boiler driving power increases in the city, the amount of steam so far does not secure steam for generating power suitable for this, and there is a fear that the power is insufficient.

이와 같이, 증기보일러에서 발생시킨 증기를 이용하여 보일러 구동전력을 조달하려고 했을 경우, 상시 안정된 전력공급을 실시하는 것이 곤란하다고 하는 문제가 있다.As described above, when the boiler drive power is to be procured using the steam generated by the steam boiler, there is a problem that it is difficult to always provide a stable power supply.

본 발명의 목적은, 증기보일러에서 발생시킨 증기를 부하장치에 공급하면서, 그 증기를 이용하여 발전을 실시하고, 이 전력을 증기보일러의 구동전력으로서 상시 안정적으로 공급할 수 있는 보일러 구동전력 공급시스템을 실현하는 것에 있다.SUMMARY OF THE INVENTION An object of the present invention is to provide a boiler driving power supply system capable of supplying steam generated by a steam boiler to a load device, generating power using the steam, and stably supplying this power as driving power of the steam boiler. It is in realization.

본 발명의 목적은, 증기보일러에서 발생시킨 증기를 부하장치로 공급하는 증기라인에 설치된 증기발전수단과, 이 증기발전수단으로부터의 전력을, 상기 증기보일러의 구동전력으로서 축전하는 축전수단을 구비하는 것을 특징으로 하는 보일러 구동전력 공급시스템에 의해 달성된다. SUMMARY OF THE INVENTION An object of the present invention is to include steam generating means provided in a steam line for supplying steam generated by a steam boiler to a load device, and electrical storage means for storing power from the steam generating means as driving power of the steam boiler. It is achieved by a boiler drive power supply system characterized in that.

이와 같이 구성하면, 상기 증기보일러로부터의 증기를 부하장치로 공급하면서, 그 증기를 이용하여 발전한 전력을, 상기 증기보일러의 구동전력으로서 상기 축전수단에 축전하기 때문에, 증기가 공급되어 있지 않은 상기 증기보일러의 기동시에 있어서도, 보일러 구동전력을 확보하는 것이 가능하게 되고, 또한 저부하시 혹은 부하변동시에 있어서도, 충분한 보일러 구동전력을 확보하는 것이 가능하게 되어, 상기 증기보일러의 구동전력을 상시 안정적으로 공급할 수 있다.In such a configuration, the steam generated by the steam boiler is stored as the driving power of the steam boiler as the driving power of the steam boiler while the steam from the steam boiler is supplied to the load device. It is possible to ensure the boiler drive power even at the start of the boiler, and to ensure sufficient boiler drive power even at low loads or during load fluctuations, thereby ensuring stable driving power of the steam boiler at all times. Can supply

또한, 상기 보일러 구동전력 공급시스템에는, 상기 증기발전수단에 있어서 이용된 증기를 이용하여 상기 증기보일러로의 급수(給水)를 가열하는 급수가열수단을 구비하고 있다.The boiler driving power supply system is also provided with water supply heating means for heating the water supply to the steam boiler using steam used in the steam generating means.

이와 같이 구성하면, 상기 증기보일러로의 급수가 가열되기 때문에, 상기 증기보일러에 있어서 연소에 이용하는 에너지가 적어도 된다. 또한, 가열된 급수중의 용존 산소를 배출할 수 있어, 이것에 의해 보일러의 부식(腐食)을 억제할 수 있다. 또한, 발전에 이용된 증기를 이용하여 급수를 가열하기 때문에, 증기의 효율적인 이용을 꾀할 수 있다.When comprised in this way, since the water supply to the said steam boiler is heated, the energy used for combustion in the said steam boiler will be minimum. In addition, dissolved oxygen in the heated water can be discharged, whereby corrosion of the boiler can be suppressed. In addition, since the feed water is heated using steam used for power generation, efficient use of steam can be achieved.

실시예Example

다음에, 이 발명의 실시형태에 대해서 설명한다.Next, embodiment of this invention is described.

우선, 제 1 실시형태에 대해서 설명한다. 이 제 1 실시형태에 있어서의 보일러 구동전력 공급시스템은, 증기보일러에서 발생시킨 증기를 부하장치로 공급하는 증기라인에 설치된 증기발전수단과, 이 증기발전수단으로부터의 전력을, 상기 증기보일러의 구동전력으로서 축전하는 축전수단을 구비하고 있다.First, the first embodiment will be described. The boiler drive power supply system according to the first embodiment includes steam power generation means provided in a steam line for supplying steam generated by a steam boiler to a load device, and the electric power from the steam power generation means drives the steam boiler. Power storage means for storing power as electric power is provided.

상기 증기발전수단은, 터빈식 또는 피스톤식의 발전방식으로 발전을 행하는 발전수단이다. 그리고, 이 증기발전수단에 있어서 이용된 증기는, 부하장치로 공급된다. 상기 증기보일러는, 발생시킨 증기가 상기 증기발전수단에 있어서 이용되는 것을 고려하여, 상기 부하장치에서 필요하게 되는 증기압보다 고압의 증기를 발생시키도록 운전한다.The steam power generation means is a power generation means for generating power by a turbine type or a piston type power generation method. The steam used in this steam generating means is supplied to a load device. The steam boiler is operated to generate steam at a higher pressure than the steam pressure required by the load device in consideration of the generated steam being used in the steam generating means.

이러한 제 1 실시형태의 보일러 구동전력 공급시스템에서는, 상기 증기보일 러에서 발생시킨 증기를 부하장치로 공급하면서, 그 증기를 이용하여 상기 증기발전수단으로 발전을 실시한다. 이 증기발전수단에서 발전된 전력은, 상기 축전수단에 축전되고, 이 축전수단으로부터의 전력을 이용하여 상기 증기보일러를 구동한다.In the boiler driving power supply system according to the first embodiment, the steam generated by the steam boiler is supplied to the load device, and power is generated by the steam generating means using the steam. The electric power generated by this steam generating means is stored in the power storage means, and drives the steam boiler using the power from the power storage means.

이상과 같이, 제 1 실시형태의 보일러 구동전력 공급시스템에 의하면, 상기 증기보일러로부터의 증기를 부하장치로 공급하면서, 그 증기를 이용하여 발전한 전력을, 상기 증기보일러의 구동전력으로서 상기 축전수단에 축전하기 때문에, 증기가 공급되어 있지 않은 상기 증기보일러의 기동시에 있어서도, 보일러 구동전력을 확보하는 것이 가능하게 되고, 또한 저부하시 혹은 부하변동시에 있어서도, 충분한 보일러 구동전력을 확보하는 것이 가능하게 되어, 상기 증기보일러의 구동전력을 상시 안정적으로 공급할 수 있다.As described above, according to the boiler driving power supply system of the first embodiment, the power generated by using the steam is supplied to the power storage means as the driving power of the steam boiler while supplying steam from the steam boiler to the load device. Because of the electrical storage, it is possible to ensure the boiler driving power even when the steam boiler is not supplied with the steam, and also to ensure sufficient boiler driving power even at low load or during load fluctuations. Thus, the driving power of the steam boiler can be stably supplied at all times.

다음에, 제 2 실시형태에 대해서 설명한다. 이 제 2 실시형태의 보일러 구동전력 공급시스템은, 상기 제 1 실시형태의 보일러 구동전력 공급시스템의 구성에 더하여, 상기 증기발전수단에 있어서 이용된 증기를 이용하여 상기 증기보일러로의 급수를 가열하는 급수가열수단을 구비하고 있다.Next, 2nd Embodiment is described. The boiler driving power supply system according to the second embodiment, in addition to the configuration of the boiler driving power supply system according to the first embodiment, heats the water supply to the steam boiler using steam used in the steam generating means. Water supply heating means is provided.

이러한 제 2 실시형태의 보일러 구동전력 공급시스템에 의하면, 상기 급수가열수단에 의해서 급수가 가열되므로, 상기 증기보일러에 있어서 연소에 이용되는 에너지가 적어도 된다. 또한, 가열된 급수중의 용존 산소를 배출할 수 있어, 이것에 의해 상기 증기보일러의 부식을 억제할 수 있다. 또한, 발전에 이용된 증기를 이용하여 급수를 가열하기 때문에, 증기의 효율적인 이용을 꾀할 수 있다.According to the boiler drive electric power supply system of this 2nd Embodiment, since water supply is heated by the said water supply heating means, the energy used for combustion in the said steam boiler is at least reduced. In addition, dissolved oxygen in the heated feed water can be discharged, whereby the corrosion of the steam boiler can be suppressed. In addition, since the feed water is heated using steam used for power generation, efficient use of steam can be achieved.

이하, 본 발명의 구체적 실시예를 도면에 기초하여 상세하게 설명한다.EMBODIMENT OF THE INVENTION Hereinafter, the specific Example of this invention is described in detail based on drawing.

우선, 본 발명의 제 1 실시예에 대해서 설명한다. 도 1은, 본 발명을 실시하는 보일러 구동전력 공급시스템의 구성을 나타내는 개략적인 설명도이다.First, the first embodiment of the present invention will be described. BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic explanatory drawing which shows the structure of the boiler drive power supply system which implements this invention.

도 1에 있어서, 보일러 구동전력 공급시스템(1)은, 증기보일러(2)로부터의 증기를 부하장치(도시생략)로 공급하면서, 이 증기를 이용하여 발전을 행하고, 그 전력을 상기 증기보일러(2)의 구동전력으로서 공급하는 것이다.In Fig. 1, the boiler driving power supply system 1 generates power using this steam while supplying steam from the steam boiler 2 to a load device (not shown), and supplies the electric power to the steam boiler ( It is supplied as the driving power of 2).

구체적인 구성에 대해서 설명하면, 상기 보일러 구동전력 공급시스템 (1)은, 증기발전수단(3)과 축전수단(4)을 구비하고 있다. 상기 증기발전수단(3)은, 상기 증기보일러(2)에서 발생시킨 증기를 상기 부하장치로 공급하는 증기라인(5)에 설치되고, 증기터빈(6)과 발전기(7)를 구비하여 구성되고 있다. 상기 증기터빈(6)에는, 상기 증기보일러(2)로부터 상기 증기라인(5)을 통하여 증기가 공급되고, 또한 상기 증기터빈(6)에서 발전에 이용된 증기는, 상기 증기라인(5)을 통하여 상기 부하장치로 공급된다.The concrete structure is demonstrated and the said boiler drive electric power supply system 1 is equipped with the steam power generation means 3 and the electrical storage means 4. The steam generating means (3) is installed in a steam line (5) for supplying steam generated by the steam boiler (2) to the load device, and comprises a steam turbine (6) and a generator (7) have. The steam turbine 6 is supplied with steam from the steam boiler 2 through the steam line 5, and the steam used for power generation in the steam turbine 6 is connected to the steam line 5. It is supplied to the load device through.

상기 증기터빈(6)은, 상기 증기라인(5)으로부터의 증기로 회전하며, 그 회전 구동력이 상기 발전기(7)에 전달되어 발전이 실시되고, 그 전력은 배터리로 구성되는 상기 축전수단(4)에 축전된다. 그리고, 상기 축전수단(4)에 축전된 전력은, 상기 증기보일러(2)에 공급되어 그 구동전력으로서 이용된다.The steam turbine (6) rotates with steam from the steam line (5), the rotational driving force is transmitted to the generator (7) to generate power, and the electrical storage means (4) consisting of a battery. ) Is stored. The electric power stored in the power storage means 4 is supplied to the steam boiler 2 and used as driving power thereof.

상기 증기보일러(2)에서는, 상기 증기발전수단(3)에 있어서 증기가 이용되는 것을 고려하여, 상기 부하장치에서 필요로 하게 되는 증기압보다 고압의 증기를 발생시키도록 운전한다.The steam boiler 2 is operated to generate steam at a higher pressure than the steam pressure required by the load device in consideration of the use of steam in the steam generating means 3.

다음에, 본 발명의 제 2 실시예에 대해서 설명한다. 도 2는, 제 2 실시예에 따른 보일러 구동전력 공급시스템의 구성을 나타내는 개략적인 설명이다.Next, a second embodiment of the present invention will be described. 2 is a schematic illustration showing the configuration of a boiler driving power supply system according to a second embodiment.

도 2에 나타내는 제 2 실시예의 보일러 구동전력 공급시스템(10)의 기본적인 구성은, 상기 제 1 실시예의 보일러 구동전력 공급시스템(1)과 동일하고, 이하의 설명에서는, 상기 제 1 실시예의 보일러 구동전력 공급시스템(1)과 다른 부분에 대해서 설명한다.The basic configuration of the boiler drive power supply system 10 of the second embodiment shown in FIG. 2 is the same as that of the boiler drive power supply system 1 of the first embodiment. In the following description, the boiler drive of the first embodiment is described. The part different from the electric power supply system 1 is demonstrated.

상기 보일러 구동전력 공급시스템(10)은, 상기 증기발전수단(3)에서 이용된 증기를 이용하여, 급수라인(11)상에 설치된 급수탱크(12)내의 급수를 가열하는 급수가열수단(13)을 구비하고 있다. 이 급수가열수단(13)은, 상기 급수탱크(12)에, 가열용 증기공급라인(14)을 접속하는 것에 의해 구성되고 있다. 이 가열용 증기공급라인(14)은, 일끝단측이 상기 급수탱크(12)와 접속되고, 다른 끝단측이 상기 증기터빈(6)과 접속되고 있다. 또한, 상기 가열용 증기공급라인(14)은, 밸브(15)를 구비하고 있다. The boiler driving power supply system 10 is a water supply heating means 13 for heating the water supply in the water supply tank 12 installed on the water supply line 11 by using the steam used in the steam generating means 3. Equipped with. The water supply heating means 13 is configured by connecting a heating steam supply line 14 to the water supply tank 12. One end of the heating steam supply line 14 is connected to the water supply tank 12, and the other end of the heating steam supply line 14 is connected to the steam turbine 6. In addition, the heating steam supply line 14 is provided with a valve (15).

상기 밸브(15)는, 상기 급수탱크(12)내의 급수의 온도를 검출하는 수온검출수단(16)의 검출치에 기초하여, 상기 증기보일러(2)에 설치된 제어부(17)에 의해 개폐 제어된다. 구체적으로는, 상기 수온검출수단(16)의 검출치가, 소정치 이하인 경우는, 상기 제어부(17)는 상기 밸브(15)를 연다. 이것에 의해, 상기 증기터빈(6)으로부터 상기 급수탱크(12)로 증기가 공급되어 급수가 가열된다. 한편, 상기 수온검출수단(16)의 검출치가, 소정치를 넘었을 경우에는, 상기 제어부(17)는 상기 밸브(15)를 닫고, 상기 급수탱크(12)로의 증기의 공급을 정지하여 급수의 가열을 정지한다.The valve 15 is controlled to be opened and closed by the controller 17 provided in the steam boiler 2 based on the detection value of the water temperature detecting means 16 that detects the temperature of the water supply in the water supply tank 12. . Specifically, when the detected value of the water temperature detecting means 16 is equal to or less than a predetermined value, the controller 17 opens the valve 15. As a result, steam is supplied from the steam turbine 6 to the water supply tank 12 to heat the water supply. On the other hand, when the detected value of the water temperature detecting means 16 exceeds a predetermined value, the controller 17 closes the valve 15 and stops the supply of steam to the water supply tank 12 to supply water. Stop heating.

청구항 1에 기재된 본 발명에 의하면, 증기보일러로부터의 증기를 부하장치로 공급하면서, 그 증기를 이용하여 발전한 전력을, 상기 증기보일러의 구동전력으로서 축전수단에 축전하기 때문에, 증기가 공급되어 있지 않은 상기 증기보일러의 기동시에 있어서도, 보일러 구동전력을 확보하는 것이 가능하게 되고, 또한 저부하시 혹은 부하변동시에 있어서도, 충분한 보일러 구동전력을 확보하는 것이 가능하게 되어, 상기 증기보일러의 구동전력을 상시 안정적으로 공급할 수 있다.According to this invention of Claim 1, since the electric power which generate | occur | produced using this steam was supplied to the electrical storage means as the drive electric power of the said steam boiler, supplying the steam from a steam boiler to a load apparatus, steam was not supplied. It is possible to ensure the boiler driving power even when the steam boiler is started, and also to ensure sufficient boiler driving power even at low load or during load fluctuations, thereby maintaining the driving power of the steam boiler at all times. Can be supplied stably.

청구항 2에 기재된 본 발명에 의하면, 상기 증기보일러로의 급수가 가열되기 때문에, 상기 증기보일러에 있어서 연소에 이용하는 에너지가 적어도 된다. 또한, 가열된 급수중의 용존 산소를 배출할 수 있어, 이것에 의해 보일러의 부식(腐食)을 억제할 수 있다. 또한, 발전에 이용된 증기를 이용하여 급수를 가열하기 때문에, 증기의 효율적인 이용을 꾀할 수 있다.According to this invention of Claim 2, since the water supply to the said steam boiler is heated, the energy used for combustion in the said steam boiler becomes at least. In addition, dissolved oxygen in the heated water can be discharged, whereby corrosion of the boiler can be suppressed. In addition, since the feed water is heated using steam used for power generation, efficient use of steam can be achieved.

Claims (2)

증기보일러에서 발생시킨 증기를 부하(負荷)장치로 공급하는 증기라인에 설치된 증기발전수단과, 이 증기발전수단으로부터의 전력을, 상기 증기보일러의 구동전력으로서 축전하는 축전수단을 구비하는 것을 특징으로 하는 보일러 구동전력 공급시스템.And steam storage means installed in a steam line for supplying steam generated by the steam boiler to a load device, and power storage means for storing power from the steam generating means as driving power of the steam boiler. Boiler drive power supply system. 제 1 항에 있어서, 상기 증기발전수단에 있어서 이용된 증기를 이용하여 상기 증기보일러로의 급수(給水)를 가열하는 급수가열수단을 구비하는 것을 특징으로 하는 보일러 구동전력 공급시스템.The boiler driving power supply system according to claim 1, further comprising a feedwater heating means for heating feedwater to the steam boiler using steam used in the steam generating means.
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