Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F22—STEAM GENERATION
  • F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
  • F22D5/00—Controlling water feed or water level; Automatic water feeding or water-level regulators
  • F22D5/26—Automatic feed-control systems
  • F22D5/30—Automatic feed-control systems responsive to both water level and amount of steam withdrawn or steam pressure
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F22—STEAM GENERATION
  • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
  • F22B1/00—Methods of steam generation characterised by form of heating method
  • F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
  • F22B1/284—Methods of steam generation characterised by form of heating method in boilers heated electrically with water in reservoirs
• • 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
  • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
  • Y02P80/00—Climate change mitigation technologies for sector-wide applications
  • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
  • Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply

Definitions

• the present invention relates to a technology that continuously generates necessary steam while smoothly supplying water to a steam tank by using a self vapor pressure stored in the steam tank as well as minimizes heat loss in a process of generating steam to outside thereby reducing energy consumed in generating steam, and more particularly, to a technology that supplies water more smoothly through a control method of opening a water supply pressure tank only after the water supply pressure tank is supplied with sufficient vapor pressure.
• high pressure steam obtained through heating water used widely in various fields like laundry, sewing factory, cook house and the like is usually obtained by steam generation device.
• Such steam generation device is installed with a water level sensor that perceives a water level in a steam tank which generates and stores stream.
• the water level sensor perceives this and achieves water supply by automatically opening a water supply control valve installed in a water supply pipe.
• the said conventional steam generation device has to use a separate electric motor pump to supply new water to the steam tank as long as a water supply tank is not disposed above a steam tank to supply water by a natural pressure from a level difference in height.
• the steam tank is exposed and left to room temperature to cause a lot of heat loss to outside.
• the steam discharge pipe that discharges steam to be used for necessary purpose and the steam supply pipe that supplies vapor pressure of the steam tank to the water supply tank are exposed and left to room temperature to increase heat loss further.
• a water level sensor applied in all the steam generation devices including the invention of the prior application use a method of using buoyancy and lead switch or a method of using electrical resistance value, due to a characteristic of irregular undulating or shaking of water surface of the steam tank by the expansive pressure during boiling of high temperature water in the prior steam generation device, the perceived value of the water level is not accurate and causes malfunctioning of sequentially operating devices.
• the water level sensor of method using laser or ultrasonic wave is expensive and has complicated structure, so economically infeasible.
• the present invention has been made to solve and improve the above problems of the invention of the prior application, and it is an aspect of the present invention to smoothly supply water inside a water supply pressure tank to a steam tank by opening a water supply control valve connected between the water supply pressure tank and the steam tank with leaving a time difference after opening a pressure supply control valve and supplying sufficient vapor pressure to the water supply pressure tank.
• the present invention as a means to solve above problems seeks for a technology that disposes a water supply pressure tank and a reference water level tank in a row horizontally above a steam tank in front and back respectively, connects a vapor pressure supply pipe that is connected to an upper end portion of the steam tank to an upper end portion of a water supply pressure tank through taking a route inside of the reference water level tank, installs a pressure supply control valve in a pipeline of the vapor pressure supply pipe, installs a water supply control valve in a water supply pipe connected between a lower end portion of the water supply pressure tank and the steam tank, and connects a replenishment water pipe provided with a replenishment water control valve between an upper end portion of the water supply pressure tank and the reference water level tank.
• the present invention seeks for a technology that installs a plurality of heat exchange baths to wrap outer sides of the water supply pipe, a steam discharge pipe, and the vapor pressure supply pipe, and installs the water supply pipe that sequentially passes insides of the heat exchange baths to be connected inside of the reference water level tank.
• the present invention seeks for a technology that connects one side of the replenishment water pipe to an upper end portion of the water supply pressure tank, installs a discharge/inhale convertible header to be connected to the other side of the replenishment water pipe, and installs the discharge-inhale header to be sought inside the reference water level tank.
• the present invention seeks a technology that installs an external float pipe connecting low and high portions of the steam tank to be connected to outside and capable of flowing water, installs a float to be inserted inside the external float pipe, and installs a sensor holder attached with a lead sensor perceiving the float on an outer side of the external float pipe to wrap the external float pipe.
• the vapor pressure supply pipe not only heats water by heat exchange in the reference water level tank while taking a route inside the reference water level tank, but also the upper water pipe maximizes in collecting heat lost to outside by passing through the plural heat exchange baths and recycles to heat the upper water pipe, thereby providing an effect of drastically reducing energy consumed for steam generation and lessens maintenance expenses.
• the whole structure of the steam generation device becomes compact and produces a vacuum pressure temporarily, thereby providing an effect of automatically replenishing the water supply pressure tank by vacuum-inhaling water of the reference water level tank using the said vacuum pressure when supplying replenishment water.
• FIG. 1 is a front sectional view illustrating a steam generation device according to the present invention
• FIG. 2 is a sectional view cut along line A-A of FIG. 1;
• FIG. 3 is a side sectional view illustrating a connection state of the 1st, 2nd, 3rd and 4th heat exchange baths and the upper water pipe according to the present invention
• FIG. 4 is a partial sectional plane view illustrating an installation state of the reference water level tank and the water supply pressure tank pipe according to the present invention
• FIG. 5 is a plane sectional view illustrating a connection state of the 1st, 2nd, 3rd and 4th heat exchange baths and the upper water pipe according to the present invention.
• FIG. 6 is a plane view illustrating an installation state of the discharge/inhale convertible header connected to the front end portion of the replenishment water pipe according to the present invention.
• main body case 10 steam tank
• heating chamber 14 steam collector
• replenishment water control valve 61 replenishment water pipe
• T-branch 63 discharge/inhale convertible header
• the device comprises: a reference water level tank (20) disposed above a steam tank (10); a water supply pressure tank (30) disposed in a row horizontally in front of the reference water level tank (20) to which a replenishment water pipe (61) and a water supply pipe (71) are connected, wherein the replenishment water pipe (61) is disposed between an upper end portion of the water supply pressure tank (30) and the reference water level tank (20), and the water supply pipe (71) is disposed between a lower end portion of the water supply pressure tank (30) and the steam tank (10); a vapor pressure supply pipe (40) which lower side is connected to an upper end portion of the steam tank (10) and which upper side is connected to an upper end portion of the water supply pressure tank (30); a pressure supply control valve (50) installed in a pipe line of the vapor pressure supply pipe (40); a replenishment water control valve (60) installed in a pipe line of the replenishment water pipe (61); and a
• the steam tank (10) is responsible for generating and storing steam by boiling the supplied water.
• a heating chamber (11) provided at a lower part of the steam tank (10) is attached with a heater socket (12) at one lateral side of the heating chamber (11). Steam is generated by an electric heater (13) that passes through this heater socket (12).
• the electric heater (13) is installed detachably inside the heating chamber (11).
• a steam collector (14) for collecting the generated steam is formed above the heating chamber (11) to be communicated with the heating chamber (11), a steam chamber (15) for exclusively storing collected pure steam is formed above the steam collector (14) to be communicated with the steam collector (14), and a steam discharge pipe (16) is installed to be connected to outside at an upper end portion of the steam chamber (15).
• a spacer (32) formed with a water path (31) at its center is horizontally installed inside the water supply pressure tank (30) to store replenishment water only in a supply water chamber (33) provided below the spacer (32).
• a steam chamber (34) provided above the spacer (32) can compress and exclusively store a sufficient amount of vapor pressure to smoothly supply water inside the supply water chamber (33) to the steam chamber (10), and an external case(35) can be additionally installed to cover up an outside the water supply pressure tank (30) for external beauty.
• the lower side of the described vapor pressure supply pipe (40) is connected to the upper end portion of the steam tank (10) and the upper side of the vapor pressure supply pipe (40) is connected to the upper end portion of the water supply pressure tank (30) to supply a part of the high pressure vapor pressure stored in the steam tank (10) to the water supply pressure tank (30).
• the vapor pressure supply pipe (40) has a substantial amount of heat loss by radiating its self heat of high temperature outside. As a solution to recycle this heat loss, the vapor pressure supply pipe (40) is disposed to pass through a bottom surface (21) of the reference water level tank (20) and take a route inside the reference water level tank (20), then water in the reference water level tank (20) is heated by this heat exchange and can replenish with the replenishment water heated in the reference level water tank(20) more smoothly when the water level in the water supply pressure tank(30) is lowered.
• the pressure supply control valve (50) is installed in a pipe line of the vapor supply pipe (40), the replenishment water control valve (60) is installed in a pipe line of the replenishment water pipe (61), and the water supply control valve (70) is installed in the water supply pipe (71). Then, a convenient use of automatic controlling in ON/OFF according to a selective operation of the respective pipe lines is provided.
• the present invention as described above applies a technological configuration to resolve prior problems of flowing back of water in the steam tank (10) to the water supply pressure tank (30), producing undulation and consuming a lot of time in supplying water from opening control valve (50) and the water supply control valve (70) at the same time when supplying water to the said steam tank (10).
• a main body case (1) is additionally installed outside of the steam tank (10) to cover up the steam tank (10).
• the main body case (10) can prevent a heat loss from radiating heat of the steam tank (10) to the atmosphere.
• a water level sensor (80) is installed externally outside the main body case (1). An ON/OFF of the pressure supply control valve (50) and the water supply control valve (70) is controlled selectively according to a water level perceived by the water level sensor (80).
• the water level sensor (80) includes an external float pipe (81) installed outside of the steam tank (10). Connecting pipes (82) connected to lower and upper portions of the external float pipe (81) are connected respectively to lower and upper portions of the steam tank (10) to flow water. An ordinary float is inserted inside the external float pipe (81) to be able to move up and down according to a change in water level. A sensor holder (83) outside of the external float pipe(81) wraps the external float pipe(81).
• a pair of a 1st heat exchange baths (91) are installed outside of the connecting pipes (82) to wrap the connecting pipes (82) as shown in FIG. 3 and FIG. 5.
• 2nd, 3rd, and 4th heat exchange baths (92, 93, and 94) are installed outside of the water supply pipe (71), the steam discharge pipe(16) and the vapor pressure supply pipe (40) to wrap the water supply pipe (71), the steam discharge pipe (16) and the vapor pressure supply pipe (40) respectively.
• An upper water pipe (90) connected to flow water sequentially along the pair of 1st, 2nd, 3rd, and 4th heat exchange baths (91, 92, 93, and 94) is connected inside of the reference water level tank (20).
• a ball top (95) is installed at a front end portion of the upper water pipe (90) to always maintain a reference water level of the reference water level tank (20).
• the upper water flowing inside the upper water pipe (90) maximizes in collecting heat lost to outside from the connecting pipe(82), the water supply pipe(71), and the steam discharge pipe(40), and recycles to heat the upper water through heat exchange by sequentially passing the 1st, 2nd, 3rd, and 4th heat exchange baths (91, 92, 93, and 94), thereby drastically reducing energy consumed for steam generation
• heat conduction prevention pipes (96) are connected between an inner lateral surface of the main body case (1) and an inner lateral surface of the 1st or 3rd heat exchange baths (91, 93).
• the heat conduction prevention pipes (96) are installed to wrap outsides of the connecting pipes (82) and the steam discharge pipe (16) respectively.
• Open parts(97) connected to outside are formed at front end portions of the heat conduction prevention pipes (96) to prevent direct contacts between the main body case (1) and the connecting pipes (82) or the steam discharge pipe(16). Then, loss of high temperature heat of the connection pipe(82) and the steam discharge pipe(16) to outside through heat conduction to the main body case(1) is actively cut-off.
• heat conduction pipes (96) are connected between an upper surface of the main body case (1) and a bottom surface the 2nd or 4th heat exchange baths (92, 94).
• the heat conduction prevention pipes (96) are installed to wrap outsides of the water supply pipe (71) and the vapor pressure supply pipe (40) respectively as shown in FIG. 3 and FIG. 5.
• Open parts (97) connected to outside are formed at front end portions of the heat conduction prevention pipes (96). Then, loss of high temperature heat of the water supply pipe (71) and the vapor pressure supply pipe (40) to outside through heat conduction to the main body case(1) is actively cut-off.
• the heat conduction prevention pipes (96) perform a combined work of preventing high temperature heat of the connecting pipes (82), the steam discharge pipe (16), the water supply pipe (71) and the vapor pressure supply pipe (40) from conducting to the main body case (1) and of radiating heat for water flowing along the upper water pipe (90) not to be overheated.
• one end of the replenishment water pipe (61) of the present invention is connected to the upper end portion of the water supply pressure tank (30) and the other front end of the replenishment water pipe (61) is connected to a T-branch (62).
• a discharge/inhale convertible header (63) of ring type is integrally connected to opposite sides of the T-branch (62).
• the discharge/inhale convertible header (63) is disposed to be sought in the reference water level tank (20).
• a plurality of nozzle holes (64) are formed at the discharge/inhale convertible header (63) in equal interval.
• the replenishment water control valve (60) installed in the replenishment water pipe (61) is opened temporarily, the vapor pressure of high pressure remained in the water supply pressure tank (30) moves rapidly to the reference water level tank (20) and all amount of the vapor pressure is discharged to the reference water level tank (20) through the discharge/inhale convertible header (63).

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• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Thermal Sciences (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Life Sciences & Earth Sciences (AREA)
• Sustainable Development (AREA)
• Sustainable Energy (AREA)
• Heat-Pump Type And Storage Water Heaters (AREA)
• Control Of Steam Boilers And Waste-Gas Boilers (AREA)
• Jet Pumps And Other Pumps (AREA)

Applications Claiming Priority (2)

Publications (2)

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ID=43938171

Family Applications (1)

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• 2010
  • 2010-07-15 KR KR1020100068545A patent/KR101017982B1/ko active IP Right Grant
• 2011
  • 2011-07-08 CN CN201180034769.XA patent/CN103119363B/zh not_active Expired - Fee Related
  • 2011-07-08 CA CA2805394A patent/CA2805394A1/en not_active Abandoned
  • 2011-07-08 WO PCT/KR2011/005010 patent/WO2012008715A2/en active Application Filing
  • 2011-07-08 RU RU2013105221/06A patent/RU2013105221A/ru not_active Application Discontinuation
  • 2011-07-08 JP JP2013519572A patent/JP5800900B2/ja not_active Expired - Fee Related
  • 2011-07-08 US US13/700,991 patent/US20130074787A1/en not_active Abandoned
  • 2011-07-08 EP EP11807000.2A patent/EP2593717A4/de not_active Withdrawn
  • 2011-07-08 AU AU2011277307A patent/AU2011277307B2/en not_active Ceased

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