WO2001051869A1 - Dispositif de chauffage a la vapeur - Google Patents
Dispositif de chauffage a la vapeur Download PDFInfo
- Publication number
- WO2001051869A1 WO2001051869A1 PCT/JP2000/008944 JP0008944W WO0151869A1 WO 2001051869 A1 WO2001051869 A1 WO 2001051869A1 JP 0008944 W JP0008944 W JP 0008944W WO 0151869 A1 WO0151869 A1 WO 0151869A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- steam
- heating
- condensate
- ejector
- temperature
- Prior art date
Links
Classifications
-
- 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
- F01K3/00—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein
- F01K3/002—Steam conversion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G1/00—Steam superheating characterised by heating method
- F22G1/14—Steam superheating characterised by heating method using heat generated by chemical reactions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G1/00—Steam superheating characterised by heating method
- F22G1/16—Steam superheating characterised by heating method by using a separate heat source independent from heat supply of the steam boiler, e.g. by electricity, by auxiliary combustion of fuel oil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B11/00—Controlling arrangements with features specially adapted for condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/02—Auxiliary systems, arrangements, or devices for feeding steam or vapour to condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/10—Auxiliary systems, arrangements, or devices for extracting, cooling, and removing non-condensable gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/06—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with the heat-exchange conduits forming part of, or being attached to, the tank containing the body of fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00054—Controlling or regulating the heat exchange system
- B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
- B01J2219/00058—Temperature measurement
- B01J2219/0006—Temperature measurement of the heat exchange medium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00054—Controlling or regulating the heat exchange system
- B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
- B01J2219/00058—Temperature measurement
- B01J2219/00063—Temperature measurement of the reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00094—Jackets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00191—Control algorithm
- B01J2219/00193—Sensing a parameter
- B01J2219/00195—Sensing a parameter of the reaction system
- B01J2219/002—Sensing a parameter of the reaction system inside the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00191—Control algorithm
- B01J2219/00193—Sensing a parameter
- B01J2219/00204—Sensing a parameter of the heat exchange system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00191—Control algorithm
- B01J2219/00211—Control algorithm comparing a sensed parameter with a pre-set value
- B01J2219/00213—Fixed parameter value
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00191—Control algorithm
- B01J2219/00222—Control algorithm taking actions
- B01J2219/00227—Control algorithm taking actions modifying the operating conditions
- B01J2219/00229—Control algorithm taking actions modifying the operating conditions of the reaction system
- B01J2219/00231—Control algorithm taking actions modifying the operating conditions of the reaction system at the reactor inlet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00191—Control algorithm
- B01J2219/00222—Control algorithm taking actions
- B01J2219/00227—Control algorithm taking actions modifying the operating conditions
- B01J2219/00238—Control algorithm taking actions modifying the operating conditions of the heat exchange system
Definitions
- the present invention relates to a steam heating apparatus comprising a heating section formed in a heat exchanger connected to a steam supply pipe through which steam for heating is supplied, and a condensate recovery device for discharging condensate generated by heating.
- a steam heating apparatus comprising a heating section formed in a heat exchanger connected to a steam supply pipe through which steam for heating is supplied, and a condensate recovery device for discharging condensate generated by heating.
- the steam heating device includes a steam supply pipe 3 through which heating steam is supplied to a jacket 2 serving as a heating section formed on the outer periphery of a reaction vessel 1 serving as a heat exchanger.
- a condensate recovery device 6 for discharging condensate generated by heating.
- the steam supply pipe 3 is connected to the inlet of the steam ejector 5,
- a jacket portion 2 as a heating portion is connected to a suction chamber 13 formed on the outer periphery of a nozzle communicating with the inlet portion, and an on-off valve 47 is connected to an outlet portion communicating with the suction chamber 13.
- the on-off valve 47 By opening the on-off valve 47, the residual air in the jacket part 2 is sucked into the suction chamber 13, and the inside of the jacket part 2 is depressurized. Then, the on-off valve 47 is closed to close the jacket.
- a low-pressure steam is supplied into the reactor 2 to heat the object to be heated in the reactor 1 with low-temperature steam of 100 ° C. or less.
- an object of the present invention is to provide a steam heating apparatus capable of accurately adjusting a heating temperature by removing accumulated air not only during the initial stage of heating but also during a heating operation.
- a steam heating device of the present invention includes a steam ejector having a suction chamber connected to the heating unit, and an inlet to which steam is supplied, and a temperature of the heating unit.
- the steam ejector When the pressure decreases by a predetermined value, the steam ejector is operated to suck air (a representative example of gas) of the heating unit into a suction chamber of the steam ejector.
- the steam ejector when the temperature of the heating section or the inside of the condensate tank between the heating section and the condensate recovery device drops by a predetermined value, the steam ejector is operated to suck the air in the heating section into the suction chamber of the steam ejector.
- the steam ejector when air accumulates in the heating section and its temperature drops by a predetermined value, the steam ejector is activated, and steam is supplied from the steam supply pipe to the inlet of the steam ejector, and suction is performed. A suction force is generated in the chamber, and the air accumulated in the heating section can be sucked into the suction chamber and discharged to the outside.
- the steam heating device when air is present and the temperature of the heating section is lowered even during the initial stage of heating or during the heating operation, the steam heater is activated and the air can be sucked out.
- the steam heating device of the present invention further includes a temperature responsive valve provided at the inlet of the steam executor.
- the steam ejector is configured to supply the steam to an inlet of the steam ejector by a valve.
- the temperature responsive valve connected to the inlet of the steam ejector, when air accumulates in the heating section and its temperature decreases by a predetermined value, the temperature responsive valve opens to open the inlet of the steam ejector. Steam is supplied to the suction section, and the air accumulated in the heating section can be sucked out by the suction force of the suction chamber and removed to the outside.
- a check valve is provided at a connection between the heating section and the suction chamber of the steam ejector, and the check valve is configured to allow only the flow of air from the heating section to the suction chamber of the steam ejector. It is characterized by having been done.
- the air by providing a check valve between the suction chamber of the steam ejector and the heating section, together with the temperature responsive valve connected to the inlet section of the steam ejector, the air accumulates in the heating section and the temperature is reduced by a predetermined value.
- the temperature responsive valve opens to supply steam to the inlet of the steam ejector, and the check valve opens due to the suction force of the steam ejector, allowing air to flow from the heating section to the suction chamber.
- the air accumulated in the heating section can be sucked out by the suction force of the suction chamber and removed to the outside.
- a temperature responsive valve is provided at a connection portion between the heating unit and a suction chamber of the steam ejector, and the temperature of the heating unit is set to a predetermined value. When the value decreases, the temperature responsive valve is opened to allow suction of air from the heating section into the suction chamber of the steam ejector.
- the temperature responsive valve opens when air accumulates in the heating section and its temperature drops by a predetermined value.
- the valve connects the heating section to the suction chamber of the steam ejector, and the air accumulated in the heating section can be sucked out by the suction force generated in the suction chamber and removed to the outside.
- a steam heating device includes a condensate tank between the heating unit and the condensate recovery device, and suction connected to the heating unit or the condensate tank.
- a steam ejector having a chamber and an inlet to which steam is supplied. When the temperature inside the heating unit or the condensate tank drops by a predetermined value, the steam ejector is operated to activate the heating unit or the condenser. It is characterized in that the air in the water tank is sucked into the suction chamber of the steam ejector.
- the steam ejector when the temperature in the heating section or in the condensate tank provided between the heating section and the condensate recovery device decreases by a predetermined value, the steam ejector is operated to release the air in the heating section or the condensate tank.
- the temperature drops by a predetermined value due to the accumulation of air in the heating section and the condensate tank.
- the steam ejector When the steam ejector is activated and steam is supplied from the steam supply pipe to the inlet of the steam ejector, the air collected in the heating section and the condensate tank is sucked into the suction chamber by the suction force generated in the suction chamber. Can be excluded to the outside.
- the steam ejector when air is present and the temperature inside the heating section or the condensate tank is lowered even during the initial stage of heating or during the heating operation, the steam ejector is activated to remove the air by suction.
- the steam heating device of the present invention is provided at an inlet of the steam ejector, and opens when a temperature of the heating section or the inside of the condensate tank drops by a predetermined value. And a temperature-responsive valve for supplying steam from the steam supply pipe to an inlet of the steam ejector.
- a temperature responsive valve connected to the inlet of the steam ejector is provided, so that air accumulates in the heating section or the condensate tank, and the temperature of the condensate tank becomes a predetermined value.
- the temperature responsive valve opens, steam is supplied to the inlet of the steam ejector, and a suction force is generated in the suction chamber, and the air accumulated in the heating section and the condensate tank is removed by the steam. It can be sucked into the suction chamber via a check valve or the like provided between the suction chamber of the ejector and the condensate tank, and can be removed to the outside.
- the steam heating device of the present invention in addition to the configuration of the steam heating device described above, further includes a check valve provided at a connection between the heating unit or the condensate tank and a suction chamber of the steam ejector, The check valve is configured to allow only gas flow from the heating unit or the condensate tank to the suction chamber of the steam ejector.
- the steam heating device of the present invention includes the condensate recovery device power s , a high-pressure operation fluid inlet for supplying a high-pressure operation fluid for pumping and discharging the condensate.
- An ejector having a suction chamber connected to the heating section, an inlet to which the high-pressure operating fluid is supplied, and an outlet connected to the high-pressure operating fluid inlet.
- a valve means is provided at a connection portion between the section and the suction chamber of the steam processing section.
- an ejector is placed in the high-pressure fluid passage through which the high-pressure operating fluid flows, the outlet of the ejector is connected to the high-pressure operating fluid inlet of the condensate recovery device, and the suction chamber and heating section of the ejector are opened and closed.
- a valve means such as a valve
- high-pressure operating fluid is introduced into the condensate recovery device, and when high-pressure operating fluid flows through the ejector, suction force is generated in the suction chamber of the ejector and accumulated in the heating section. The air flowing in can be sucked out through the valve means and discharged to the outside.
- a steam heating device wherein the condensate recovery device includes a high-pressure operation fluid inlet for supplying a high-pressure operation fluid for pumping and discharging the condensate, An ejector configured to have a condensate return port through which the condensed condensate discharged is discharged, and having an suction chamber connected to the heating unit, and an inlet connected to the condensate return port. And a valve unit is provided at a connection between the heating unit and a suction chamber of the steam ejector.
- the ejector is arranged in the condensate pumping line connected to the condensate return port of the condensate recovery device, and the suction chamber of the ejector and the heating section are connected via valve means such as an on-off valve.
- valve means such as an on-off valve.
- the valve unit may be opened when a temperature of the heating unit or the temperature between the heating unit and the condensate recovery device decreases by a predetermined value. And a temperature-responsive valve that allows the air to be sucked from the heating section into the suction chamber in the exercising chamber.
- the temperature responsive valve as a valve means buckles and the heating section and the suction chamber of the steam ejector are connected. It becomes a communication state, and the air accumulated in the heating unit can be sucked out by the suction force of the suction chamber and discharged to the outside.
- FIG. 1 is a configuration diagram showing a first embodiment of the steam heating device of the present invention
- FIG. 2 is a configuration diagram showing a second embodiment of the steam heating device of the present invention
- FIG. FIG. 4 is a configuration diagram showing a fourth embodiment of the steam heating device of the present invention
- FIG. 5 is a configuration diagram showing a fourth embodiment of the steam heating device of the present invention
- FIG. 6 is a configuration diagram showing a conventional steam heating device.
- a first embodiment of a steam heating device using a reactor 1 as a heat exchanger according to the present invention will be described with reference to FIG.
- a jacket part 2 formed as a heating part on the outer periphery of a reaction vessel 1 is connected to a steam supply pipe 3, and a temperature-responsive valve connected to a branched steam supply pipe 4. 1, a steam ejector 5, and a condensate recovery device 6 arranged below the jacket portion 2.
- a pressure control valve 7 and an on-off valve 8 are attached to the steam supply pipe 3, and are connected to the jacket 2.
- the pressure control valve 7 sets the steam pressure supplied to the jacket 2 so that the temperature becomes a predetermined value.
- the steam supply pipe 3 is connected to a high pressure working fluid inlet 10 of the condensate recovery device 6 via a pipe 9.
- the branched steam supply pipe 4 is connected to an inlet of a steam ejector 5 via a closing valve 11 and a temperature responsive valve 12.
- the suction chamber 13 of the steam ejector 5 and the jacket part 2 are communicated by a pipe 15 via a check valve 14.
- the check valve 14 permits only the passage of the fluid from the jacket portion 2 to the suction chamber 13 and does not allow the passage of the fluid in the opposite direction.
- the outlet of the steam ejector 5 is connected to the pipeline 16 and communicates with a separate steam use location (not shown).
- the temperature responsive valve 12 is a self-acting type temperature control valve, and the temperature sensitive cylinder 1 ⁇ ⁇ ⁇ ⁇ attached to a portion of the jacket portion 2 where air easily accumulates, and an actuator unit of the temperature responsive valve 12. 18 are connected via a flexible tube 19. That is, the temperature responsive valve 12 is opened when the temperature sensing tube 17 detects a decrease in the temperature inside the jacket portion 2. Specifically, the temperature of the thermosensitive cylinder 17 decreases due to a decrease in the temperature inside the jacket 2, and the pressure of the thermosensitive fluid decreases due to the decrease in the volume of the thermosensitive fluid inside the flexible tube 19. The temperature is transmitted to the actuator section 18 and the temperature responsive valve 12 is set. Conversely, when the temperature in the jacket part 2 rises, the temperature sensing cylinder 17 detects the temperature rise and closes the temperature responsive valve 12.
- the temperature responsive valve 12 provided at the connection between the steam supply pipe 4 and the inlet of the steam ejector 5 and the connection between the jacket 2 and the suction chamber 13 of the steam ejector 5 are provided.
- the temperature is lowered by a predetermined value due to the accumulation of air in the jacket section 2 by the check valve 14, steam is supplied to the steam invitation 5, and the air accumulated in the jacket section 2 is removed by the suction chamber 1. It can be configured to be sucked out by the suction force of 3 and removed to the outside.
- the lower part of the jacket part 2 and the condensate inlet 20 of the condensate recovery device 6 are connected by a pipe 21 via a valve 22 and a check valve 23.
- the check valve 23 allows fluid to pass only from the jacket portion 2 to the condensate recovery device 6 but does not allow fluid to pass in the opposite direction.
- a condensate feed line 26 is also attached to the condensate return port 24 of the condensate recovery device 6 via a check valve 25.
- the check valve 25 allows the fluid to pass only outward from the condensate recovery device 6 to the condensate pressure feed line 26.
- a discharge circulation port 27 for the high-pressure operation fluid is provided beside the high-pressure operation fluid introduction port 10 at the upper part of the condensate recovery device 6, and the discharge circulation port 27 is connected to the pipeline 28.
- the conduit 28 is connected to a header (not shown) in the same pressure state as the jacket portion 2 or to a portion in a lower pressure state than the separate jacket portion 2.
- the condensate recovery device 6 closes the inlet port 10 for the high-pressure operating fluid and opens the discharge circulation port 27 when the float (not shown) located inside is located
- the condensate in the port 2 flows down into the recovery device 6 through the pipe 21, the check valve 23 and the condensate inlet 20.
- the discharge circulation port 27 is closed, while the inlet 10 for the high-pressure operating fluid is opened to supply steam.
- High-pressure steam flows into the recovery device 6 from the pipe 3 as high-pressure operating fluid, and the condensate inside is returned to the condensate recovery destination via the return port 24, the check valve 25, and the pipe 26 to be recovered. Things.
- the condensate recovery device 6 recovers the condensate generated in the jacket portion 2.
- the steam heated in the reactor 1 is condensed and condensed, and flows down into the condensate recovery device 6 via the pipe 21.
- a predetermined pressure that is, a predetermined temperature
- the reactor 1 is heated with the steam at the predetermined temperature. Is done. For example, when steam of 60 ° C. or lower than the atmospheric pressure is supplied from the pressure control valve 7, the reactor 1 is heated at 60 ° C.
- the steam that has heated the reactor 1 is condensed and condensed, so that its specific volume is significantly reduced, so that the inside of the jacket 2 is maintained at the initial pressure state.
- the condensed condensate flows down into the condensate recovery device 6 and is pumped to the condensate recovery destination by repeating the above operation.
- the steam heating device shown in FIG. 2 has a jacket section 2 formed as a heating section on the outer periphery of a reaction vessel 1 connected to a steam supply pipe 3 and a steam ejector connected to a branched steam supply pipe 4. 5, a temperature responsive valve 12 provided at a connection portion between the suction chamber 13 of the steam ejector 5 and the jacket portion 2, and a condensate recovery device 6 disposed at a lower portion of the jacket portion 2. It is configured.
- the branched steam supply pipe 4 is connected to the inlet of the steam ejector 5 via the on-off valve 11.
- the suction chamber 13 of the steam ejector 5 and the jacket portion 2 are connected to each other by a pipe 15 via an on-off valve 29 and a temperature-responsive valve 12.
- the outlet of the steam ejector 5 is connected to the line 16 and a separate steam (not shown) It is communicated to the point of use.
- the temperature responsive valve 12 is a self-acting type temperature control valve as in the above-described embodiment.
- the jacket is formed by the temperature responsive valve 12 provided at the connection between the jacket section 2 and the suction chamber 13 of the steam ejector 5 and the on-off valve 11 for supplying steam to the steam ejector 5.
- the temperature responsive valve 12 provided at the connection between the jacket section 2 and the suction chamber 13 of the steam ejector 5 and the on-off valve 11 for supplying steam to the steam ejector 5.
- the on-off valve 11 may be set to a normally open state to supply steam to the steam ejector 5.However, the on-off valve 11 is opened and closed in conjunction with the temperature responsive valve 12 so that the residual air in the jacket 2 is removed from the suction chamber 1. It can be opened only when suctioning to 3.
- the steam heating device configured to be connected to the downstream side of 7
- the steam supply pipe 4 may be connected to the upstream side of the pressure regulating valve 7.
- the steam ejector 5 can be supplied with high-pressure steam before the pressure is adjusted.
- the steam supply pipe 4 may be provided separately from the steam supply pipe 3, and the steam may be supplied to each of the steam supply pipes 3 and 4 separately.
- a jacket part 2 formed as a heating part on the outer periphery of a reaction vessel 1 is connected to a steam supply pipe 3, and a temperature-responsive valve connected to a branched steam supply pipe 4. 1, a steam ejector 5, a condensate tank 11 and a condensate recovery device 6 arranged below the jacket 2.
- the steam supply pipe 3 is provided with a pressure control valve 7 for setting the steam pressure to be supplied to the jacket section 2 so that the temperature becomes a predetermined value, and is connected to the jacket section 2. Further, the steam supply pipe 3 is connected to a high pressure working fluid inlet 10 of the condensate recovery device 6 via a pipe 9 which further branches the branched steam supply pipe 4.
- the branched steam supply pipe 4 is connected to the inlet of the steam ejector 5 via the temperature responsive valve 12.
- the suction chamber 13 of the steam ejector 5 and the upper part of the condensate tank 11 are connected through a check valve 14.
- the check valve 14 allows only fluid to pass from the condensate tank 11 to the suction chamber 13 and does not allow fluid to pass in the opposite direction.
- the outlet of the steam ejector 5 is connected to a pipeline 16 and communicates with a condensate feed pipeline 26 described later.
- the temperature responsive valve 12 is a self-acting type temperature control valve as in the above-described embodiment.
- the temperature-sensitive cylinder 17 of the temperature-responsive valve 12 is attached to the condensate tank 11 at a location where air easily accumulates. That is, the temperature responsive valve 1 2 The valve is closed when the temperature sensor 17 detects a decrease in the temperature inside the condensate tank 11.
- the temperature responsive valve 12 provided at the connection between the steam supply pipe 4 and the inlet of the steam ejector 5 and the connection between the condensate tank 11 and the suction chamber 13 of the steam ejector 5 When air is accumulated in the condensate tank 11 and the temperature of the condensate tank 11 drops by a predetermined value due to the check valve 14 provided, steam is supplied to the steam ejector 5 to condense the condensate tank 11 and the jacket. It is possible to adopt a configuration in which the air accumulated in the section 2 is sucked through the condensing tank 11 by the suction force of the suction chamber 13 and is removed to the outside.
- the temperature-sensitive cylinder 1 ⁇ of the temperature-responsive valve 12 was mounted above the condensate tank 11, but the temperature-sensitive cylinder 17 was mounted above or below the jacket 2. Alternatively, it can be attached inside the reaction vessel 1.
- the lower part of the jacket part 2 and the side of the condensate tank 11 are connected by a pipe 21 via a valve 22.
- the lower part of the condensate tank 11 and the condensate inlet 20 of the condensate recovery device 6 are connected by a pipe 8 via a check valve 23.
- the check valve 23 allows the fluid to pass only from the condensate tank 11 to the condensate recovery device 6 but not the fluid in the opposite direction.
- the condensate return pipe 24 is also connected to the condensate return port 24 of the condensate recovery device 6 via a check valve 25.
- the check valve 25 allows the fluid to pass only from the condensate recovery device 6 to the condensate feed pipe 26 in the outward direction.
- a discharge circulation port 27 for the high-pressure operation fluid is provided beside the high-pressure operation fluid introduction port 10 at the upper part of the condensate recovery device 6, and the discharge circulation port 27 is connected to the pipeline 28.
- the pipeline 28 is connected to the inside of the condensate tank 11 having the same pressure as the jacket 2.
- the condensate recovery device 6 closes the inlet port 10 for the high-pressure operating fluid and opens the discharge circulation port 27 when the float (not shown) located inside is located
- the condensate in the water tank 11 flows down through the pipeline 8, the check valve 23 and the condensate inlet 20 into the recovery device 6. Then, when condensate is collected in the recovery device 6 and a float (not shown) is located at a predetermined upper portion, the discharge circulation port 27 is closed, while the high pressure operation fluid introduction port 10 is opened, and the steam is opened.
- High-pressure operation flow of high-pressure steam from supply pipe 3 The condensed water flows into the recovery device 6 as a body, and the condensed water collected therein is pumped to the condensate recovery destination via the return port 24, the check valve 25 and the pipe 26, and collected.
- the condensate inlet 20 is opened again by closing the high-pressure operation fluid inlet 10 and opening the discharge circulation port 27. Flow down into the recovery device 6. By repeating such an operation cycle, the condensate recovery device 6 recovers the condensate generated in the jacket 2 via the condensate tank 11.
- the temperature responsive valve 12 When the inside of the condensate tank 1 1 and hence the inside of the jacket 2 reaches a predetermined temperature, the temperature responsive valve 12 is closed and no suction force is generated. On the other hand, steam is supplied from the pressure control valve 7 to the jacket 2 to heat the reactor 1.
- the steam heated in the reactor 1 is condensed and condensed, and flows down from the condensate tank 11 through the pipe 21 into the condensate recovery device 6. Since the pressure and temperature of the saturated steam have a one-to-one relationship, by supplying heated steam at a predetermined pressure, that is, temperature, into the jacket section 2 from which air has been removed, the reactor 1 is heated to a predetermined temperature. Heated by steam For example, when steam of 60 ° C. or less than the atmospheric pressure is supplied from the pressure control valve 7, the reactor 1 is heated at 60 ° C.
- the steam that has heated the reactor 1 is condensed and condensed, and its specific volume is significantly reduced, so that the inside of the jacket 2 is maintained at the initial pressure state.
- the condensed condensate flows down from the condensate tank 11 into the condensate recovery device 6 and is pumped to the condensate recovery destination by repeating the above operation.
- the temperature responsive valve 12 by detecting the temperature of the condensate tank 11 and opening and closing the temperature responsive valve 12, the temperature responsive valve 12, ejector 5, condensate tank 11, and The condensate recovery unit 6 can be used as a unit, and by replacing these units with the existing hot water heater such as the reactor 1 that is already installed and operating, It can be easily changed to a steam heating device.
- a jacket part 2 formed as a heating part on the outer periphery of a reaction vessel 1 is connected to a steam supply pipe 3, and the steam supply pipe 3 is returned via a pipe 9. It is connected to the high-pressure operation fluid inlet 10 of the water recovery unit 6, the ejector 5 is arranged in the pipe 9, and the suction chamber 13 of the ejector 5 and the jacket 2 are connected through the pipe 15 It is configured.
- the steam supply pipe 3 is provided with a pressure control valve 7 for setting the steam pressure to be supplied to the jacket section 2 so that the temperature becomes a predetermined value, and is connected to the jacket section 2.
- the branched pipe 9 is connected to the ejector 5 via the on-off valve 4.
- Ezek The outlet of the evening 5 is connected to the high-pressure operating fluid inlet 10 of the condensate recovery device 6, and the suction chamber 13 and the jacket 2 of the ejector 5 are connected to the on-off valve 29 and the temperature responsive valve 1. It is communicated by line 15 through 2.
- the on-off valve 29 and the temperature responsive valve 12 constitute valve means.
- the temperature responsive valve 12 is a self-acting type temperature control valve similarly to the above-described embodiment, and a temperature sensing cylinder 17 attached to a portion of the jacket portion 2 where air easily accumulates.
- the temperature responsive valve 1 2 is connected to the actuator section 18 via a flexible tube 19.
- the condensate recovery device 6 closes the high pressure working fluid inlet 1 ⁇ when an unillustrated float located inside is located at the lower part, as in the above-described embodiment.
- the discharge circulation port 27 is opened, and the condensate in the jacket part 2 flows down into the condensate recovery device 6 through the pipe 21, the check valve 23 and the condensate inlet 20.
- the discharge circulation port 27 is closed, while the high pressure working fluid inlet 10 is opened to supply steam.
- High-pressure steam flows from pipe 3 into the condensate recovery device 6 as high-pressure operating fluid, and the condensate inside is pumped to the condensate recovery destination via return port 24, check valve 25, and pipe 26. And collect them.
- the high-pressure steam as the high-pressure operating fluid is supplied from the inlet 10 into the condensate recovery device 6, the high-pressure steam also passes through the ejector 5, so that the high-pressure steam flows into the suction chamber 13. A suction force can be generated. When the inlet 10 is closed, the high-pressure steam does not pass through the outlet 5, and no suction force is generated.
- the steam in the steam supply pipe 3 is supplied from the pressure control valve 7 to the jacket 2.
- the branch pipe 11 and the on-off valve 16 are attached to the pipeline 15, and the initial residual air in the jacket 2 is discharged through the on-off valve 16.
- the temperature in the jacket 2 has dropped, and the temperature responsive valve 12 is opened, causing the ejector 5 to open.
- the suction chamber 13 and the jacket part 2 are in communication with each other and a suction force is generated in the suction chamber 13 of the ejector 5, the residual air in the jacket part 2 is sucked and discharged to the outside.
- the temperature responsive valve 12 is closed and suction is stopped.
- the steam that has heated the reactor 1 is condensed and condensed, and flows down into the condensate recovery device 6 via the pipe 21.
- a predetermined pressure ie, temperature
- the reactor 1 is heated with the steam at the predetermined temperature. For example, when steam at 60 ° C. below atmospheric pressure is supplied from the pressure control valve 7, the reactor 1 is heated at 6 ° C.
- the valve means can suck and discharge the air accumulated not only in the initial stage of the steam heating device but also during the heating operation every time a suction force is generated in the ejector 5. it can.
- a jacket part 2 formed as a heating part on the outer periphery of a reaction vessel 1 is connected to a steam supply pipe 3, and the steam supply pipe 3 is restored via a pipe 9.
- the water recovery device 6 is connected to the high-pressure operation fluid introduction port 10.
- the condensate return port 24 of the condensate recovery device 6 is connected to the condensate pressure feed line 26, and the ejector 5 is arranged in the condensate pressure feed line 26, and the suction chamber 13 of the ejector 5 and the suction chamber 13 are covered.
- Port 2 is connected via a conduit 15.
- a check valve 25 is attached to the condensate pressure pipeline 26. The check valve 25 allows fluid to pass only from the condensate recovery device 6 to the outside.
- the condensing pumping line 26 is connected to Ezek 5.
- the suction chamber 13 of the ejector 5 and the jacket portion 2 are connected to each other by a pipe 15 via an on-off valve 29 and a temperature responsive valve 12.
- the valve means is constituted by the on-off valve 29 and the temperature responsive valve 12.
- the temperature responsive valve 12 is a self-acting type temperature control valve similarly to the above-described embodiment, and a temperature sensing cylinder 17 attached to a portion of the jacket portion 2 where air easily accumulates.
- the temperature responsive valve 1 2 is connected to the actuator section 18 via a flexible tube 19.
- the condensate recovery device 6 closes the inlet port 10 for the high-pressure operating fluid when the float (not shown) located inside is located at the lower part, as in the above-described embodiment.
- the circulation port 27 is opened, and the condensate in the jacket section 2 flows down into the condensate recovery device 6 through the pipe 21, the check valve 23, and the condensate inlet 20.
- the discharge circulation port 27 is closed, while the high pressure working fluid inlet 10 is opened to supply steam.
- High-pressure steam flows from pipe 3 into the condensate recovery device 6 as high-pressure operating fluid, and the condensate inside is sent to the condensate recovery destination via return port 24, check valve 25, and pipe 26. It will be collected.
- the pumped condensate also passes through the ejector 5, and a suction force can be generated in the suction chamber 13.
- the steam in the steam supply pipe 3 is supplied from the pressure control valve 7 to the jacket 2.
- the branch pipe 11 and the on-off valve 16 are attached to the pipeline 15, and the initial residual air in the jacket 2 is discharged through the on-off valve 16.
- the temperature in the jacket 2 has dropped, so that the temperature responsive valve 12 is buckled and the ejector 5 Each time the suction chamber 13 and the jacket 2 communicate with each other and a suction force is generated in the suction chamber 13 of the ejector 5, the residual air in the jacket 2 is sucked and discharged to the outside. When the temperature reaches a predetermined temperature, the temperature responsive valve 12 is closed and suction is stopped.
- the valve means can suck and discharge the air accumulated not only in the initial stage of the steam heating device but also during the heating operation every time a suction force is generated in the ejector 5. it can.
- valve means an example in which the opening / closing valve 29 and the temperature responsive valve 12 are used as the valve means has been described, but only the opening / closing valve or only the temperature responsive valve is used as the valve means. It is also possible to use a check valve that allows only the passage of the fluid from the jacket portion 2 to the suction chamber 13 and blocks the passage of the fluid in the opposite direction.
- a self-acting type temperature control valve constituted by connecting a temperature sensing cylinder 17 and an actuating section 18 with a flexible tube 19 was used as the temperature responsive valve 12.
- a temperature sensor or a combination of an oxygen sensor for detecting the presence of air, a controller, and an automatic control valve may be used as the temperature-responsive valve.
- the steam heating apparatus heats an object to be heated in the heat exchanger with the steam supplied to the heating unit, and appropriately sucks and discharges air accumulated in the heating unit. Temperature accuracy without adverse effects such as temperature unevenness in the heating section It is useful as a steam heating device capable of well heating an object to be heated, and particularly useful as a steam heating device suitable for a case where the heating temperature is relatively low, about 100 ° C. Specifically, it is suitable for a steam heating device used for steam heating, such as various reaction vessels used for a polymerization reaction, a food distillation device, a concentration device, or a sterilization device.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Jet Pumps And Other Pumps (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/936,370 US6739288B1 (en) | 2000-01-14 | 2000-02-15 | Steam heating device |
DE60038547T DE60038547T2 (de) | 2000-01-14 | 2000-12-15 | Dampfheizvorrichtung |
CA002366367A CA2366367C (en) | 2000-01-14 | 2000-12-15 | Steam-heating apparatus |
EP00981790A EP1162425B1 (en) | 2000-01-14 | 2000-12-15 | Steam heating device |
US10/752,946 US7017528B2 (en) | 2000-01-14 | 2004-01-07 | Steam-heating apparatus |
US10/752,755 US7089885B2 (en) | 2000-01-14 | 2004-01-07 | Steam-heating apparatus |
US11/257,740 US7316204B2 (en) | 2000-01-14 | 2005-10-25 | Steam-heating apparatus |
US11/257,908 US7316205B2 (en) | 2000-01-14 | 2005-10-25 | Steam-heating apparatus |
US11/503,745 US7415942B2 (en) | 2000-01-14 | 2006-08-14 | Steam-heating apparatus |
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000-5447 | 2000-01-14 | ||
JP2000005455A JP2001201274A (ja) | 2000-01-14 | 2000-01-14 | 蒸気加熱装置 |
JP2000005450A JP4387536B2 (ja) | 2000-01-14 | 2000-01-14 | 蒸気加熱装置 |
JP2000-5451 | 2000-01-14 | ||
JP2000005447 | 2000-01-14 | ||
JP2000005451A JP2001201277A (ja) | 2000-01-14 | 2000-01-14 | 蒸気加熱装置 |
JP2000-5455 | 2000-01-14 | ||
JP2000-5450 | 2000-01-14 | ||
JP2000-242191 | 2000-08-10 | ||
JP2000242191 | 2000-08-10 |
Related Child Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/936,370 A-371-Of-International US6739288B1 (en) | 2000-01-14 | 2000-02-15 | Steam heating device |
US09936370 A-371-Of-International | 2000-12-15 | ||
US10/752,946 Division US7017528B2 (en) | 2000-01-14 | 2004-01-07 | Steam-heating apparatus |
US10/752,755 Division US7089885B2 (en) | 2000-01-14 | 2004-01-07 | Steam-heating apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001051869A1 true WO2001051869A1 (fr) | 2001-07-19 |
Family
ID=27531375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/008944 WO2001051869A1 (fr) | 2000-01-14 | 2000-12-15 | Dispositif de chauffage a la vapeur |
Country Status (8)
Country | Link |
---|---|
US (6) | US6739288B1 (ja) |
EP (3) | EP1795845B1 (ja) |
KR (1) | KR100470880B1 (ja) |
CN (2) | CN1192206C (ja) |
CA (1) | CA2366367C (ja) |
DE (2) | DE60040312D1 (ja) |
TW (1) | TW507062B (ja) |
WO (1) | WO2001051869A1 (ja) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6739288B1 (en) * | 2000-01-14 | 2004-05-25 | Tvl Co., Ltd. | Steam heating device |
EP1508367B1 (de) * | 2003-08-22 | 2005-11-02 | Maschinenbau Scholz GmbH & Co. KG | Vorrichtung zur Temperaturregelung des Innenraums von Druckgefässen |
AU2004240166B2 (en) * | 2003-12-22 | 2009-12-03 | Rheem Australia Pty Limited | System and Method to Reduce Water Wastage |
CN100363097C (zh) * | 2004-09-29 | 2008-01-23 | 上海聚友化工有限公司 | 一种化工过程循环加热系统和方法 |
WO2007006348A1 (en) * | 2005-07-14 | 2007-01-18 | Maquet Critical Care | Dosing safety arrangement in a delivery apparatus for pressurised medical liquids |
JP4753033B2 (ja) * | 2006-06-02 | 2011-08-17 | 株式会社Ihi | 電動過給機 |
JP4665045B1 (ja) * | 2009-09-28 | 2011-04-06 | 株式会社テイエルブイ | 蒸気供給システム及びそれに用いる逆止弁 |
DE102010014992A1 (de) * | 2010-04-14 | 2011-10-20 | Uhde Gmbh | Verfahren zum Aufheizen oder Warmhalten der Strömungswege einer Prozessanlage |
US8936202B2 (en) * | 2010-07-30 | 2015-01-20 | Consolidated Edison Company Of New York, Inc. | Hyper-condensate recycler |
US8939382B1 (en) | 2011-07-13 | 2015-01-27 | Sioux Corporation | Steam-heated fluid pressure washer system |
US8911511B2 (en) | 2011-11-08 | 2014-12-16 | General Electric Company | System for desalting fuel oil using a steam jet pump |
JP2013155894A (ja) * | 2012-01-27 | 2013-08-15 | Tlv Co Ltd | 蒸気加熱装置 |
JP2013155895A (ja) * | 2012-01-27 | 2013-08-15 | Tlv Co Ltd | 蒸気加熱装置 |
CN102688865A (zh) * | 2012-06-17 | 2012-09-26 | 科威信(无锡)洗净科技有限公司 | 一种清洗装置 |
WO2014032027A2 (en) * | 2012-08-23 | 2014-02-27 | Chevron U.S.A. Inc. | System and method for recovery and cooling of steam and high temperature condensate |
MX362473B (es) * | 2013-06-04 | 2019-01-17 | Forbes Marshall Pvt Ltd | Sistema de recuperacion de condensado y vapor flash. |
EP3064485B2 (en) * | 2013-10-29 | 2021-02-24 | Mitsubishi Chemical Corporation | Vacuum distillation method for easily polymerizable compound and method for producing acrylic acid |
CN104154623A (zh) * | 2014-08-20 | 2014-11-19 | 浙江中烟工业有限责任公司 | 一种采用加热蒸汽冷凝水控湿的恒温恒湿空调装置 |
CN105090733B (zh) * | 2015-09-06 | 2017-11-03 | 宜兴市昌吉利化工有限公司 | 一种溢出法自动疏水装置 |
CN105091632B (zh) * | 2015-09-11 | 2016-12-14 | 重庆市鑫耀机械厂 | 液体蒸馏冷却一体机 |
JP6809877B2 (ja) * | 2016-11-17 | 2021-01-06 | 株式会社テイエルブイ | 蒸気加熱装置 |
CN109107792B (zh) * | 2018-08-24 | 2024-07-02 | 南京花权吾环保科技有限公司 | 用于儿童滑板车的喷雾装置 |
JP7372083B2 (ja) * | 2019-08-30 | 2023-10-31 | 株式会社カネカ | 発泡粒子の製造装置および製造方法 |
CN111396158A (zh) * | 2020-03-05 | 2020-07-10 | 上海舟虹电力工程技术中心 | 一种高温高压蒸汽节能混合的使用方法 |
CN111495292A (zh) * | 2020-04-10 | 2020-08-07 | 胡杰 | 一种化工生产用原料加热装置 |
CN112325356B (zh) * | 2020-11-03 | 2021-11-02 | 中国矿业大学 | 基于喷射器回收供热管凝结水余热的蒸汽供热系统及方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04180829A (ja) * | 1990-11-15 | 1992-06-29 | Tlv Co Ltd | 蒸気加熱及び気化冷却装置 |
JPH0780284A (ja) * | 1993-09-14 | 1995-03-28 | Tlv Co Ltd | 蒸気加熱装置 |
JPH07328422A (ja) * | 1994-06-15 | 1995-12-19 | Tlv Co Ltd | 蒸気加熱装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2954840A (en) * | 1958-04-25 | 1960-10-04 | Southwestern Eng Co | Controlling gases in solution |
JPS58173390A (ja) * | 1982-04-02 | 1983-10-12 | Babcock Hitachi Kk | ヒ−トパイプの非凝縮性ガス排出装置 |
JPS60218585A (ja) * | 1984-04-13 | 1985-11-01 | Hitachi Ltd | 復水器脱気蒸気系統の制御装置 |
US5208284A (en) * | 1989-12-05 | 1993-05-04 | Ethyl Corporation | Coating composition |
AU635457B2 (en) * | 1991-04-15 | 1993-03-18 | Tlv Co., Ltd. | Reduced pressure heat treating device |
JP2630885B2 (ja) * | 1992-01-14 | 1997-07-16 | 株式会社テイエルブイ | 蒸気加熱装置 |
JP3281999B2 (ja) * | 1994-06-15 | 2002-05-13 | 株式会社テイエルブイ | 蒸気加熱装置 |
JP3785215B2 (ja) * | 1996-03-15 | 2006-06-14 | 株式会社テイエルブイ | 蒸気加熱装置 |
KR100349628B1 (ko) * | 1998-02-23 | 2002-08-22 | 가부시키가이샤 티엘브이 | 유기성 폐기물의 발효처리장치 |
JPH11319543A (ja) * | 1998-05-15 | 1999-11-24 | Tlv Co Ltd | 減圧蒸気加熱装置 |
JPH11318543A (ja) | 1998-05-19 | 1999-11-24 | Katori:Kk | 髪止め具 |
US6739288B1 (en) * | 2000-01-14 | 2004-05-25 | Tvl Co., Ltd. | Steam heating device |
-
2000
- 2000-02-15 US US09/936,370 patent/US6739288B1/en not_active Expired - Lifetime
- 2000-12-15 DE DE60040312T patent/DE60040312D1/de not_active Expired - Lifetime
- 2000-12-15 DE DE60038547T patent/DE60038547T2/de not_active Expired - Lifetime
- 2000-12-15 EP EP07006790A patent/EP1795845B1/en not_active Expired - Lifetime
- 2000-12-15 EP EP00981790A patent/EP1162425B1/en not_active Expired - Lifetime
- 2000-12-15 CN CNB008075174A patent/CN1192206C/zh not_active Expired - Fee Related
- 2000-12-15 CA CA002366367A patent/CA2366367C/en not_active Expired - Fee Related
- 2000-12-15 WO PCT/JP2000/008944 patent/WO2001051869A1/ja active IP Right Grant
- 2000-12-15 CN CNB2004100016839A patent/CN1247300C/zh not_active Expired - Fee Related
- 2000-12-15 KR KR10-2001-7011659A patent/KR100470880B1/ko not_active IP Right Cessation
- 2000-12-15 EP EP07006789A patent/EP1795844B1/en not_active Expired - Lifetime
- 2000-12-19 TW TW089127278A patent/TW507062B/zh not_active IP Right Cessation
-
2004
- 2004-01-07 US US10/752,946 patent/US7017528B2/en not_active Expired - Fee Related
- 2004-01-07 US US10/752,755 patent/US7089885B2/en not_active Expired - Fee Related
-
2005
- 2005-10-25 US US11/257,908 patent/US7316205B2/en not_active Expired - Fee Related
- 2005-10-25 US US11/257,740 patent/US7316204B2/en not_active Expired - Fee Related
-
2006
- 2006-08-14 US US11/503,745 patent/US7415942B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04180829A (ja) * | 1990-11-15 | 1992-06-29 | Tlv Co Ltd | 蒸気加熱及び気化冷却装置 |
JPH0780284A (ja) * | 1993-09-14 | 1995-03-28 | Tlv Co Ltd | 蒸気加熱装置 |
JPH07328422A (ja) * | 1994-06-15 | 1995-12-19 | Tlv Co Ltd | 蒸気加熱装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1162425A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP1162425A4 (en) | 2006-05-10 |
US7089885B2 (en) | 2006-08-15 |
KR20010112326A (ko) | 2001-12-20 |
CA2366367A1 (en) | 2001-07-19 |
US7415942B2 (en) | 2008-08-26 |
EP1162425A1 (en) | 2001-12-12 |
EP1162425B1 (en) | 2008-04-09 |
DE60038547T2 (de) | 2009-05-07 |
US7017528B2 (en) | 2006-03-28 |
EP1795844B1 (en) | 2012-04-18 |
DE60038547D1 (de) | 2008-05-21 |
KR100470880B1 (ko) | 2005-03-08 |
US20060032467A1 (en) | 2006-02-16 |
CN1350630A (zh) | 2002-05-22 |
DE60040312D1 (de) | 2008-10-30 |
TW507062B (en) | 2002-10-21 |
US20050023364A1 (en) | 2005-02-03 |
CN1192206C (zh) | 2005-03-09 |
US20060032466A1 (en) | 2006-02-16 |
EP1795845A3 (en) | 2007-07-04 |
CN1247300C (zh) | 2006-03-29 |
EP1795845B1 (en) | 2008-09-17 |
CA2366367C (en) | 2009-02-17 |
US20040140367A1 (en) | 2004-07-22 |
EP1795844A3 (en) | 2007-06-27 |
US7316204B2 (en) | 2008-01-08 |
CN1528507A (zh) | 2004-09-15 |
EP1795844A2 (en) | 2007-06-13 |
EP1795845A2 (en) | 2007-06-13 |
US20060288965A1 (en) | 2006-12-28 |
US7316205B2 (en) | 2008-01-08 |
US6739288B1 (en) | 2004-05-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2001051869A1 (fr) | Dispositif de chauffage a la vapeur | |
JP4583610B2 (ja) | 蒸気加熱装置 | |
JP4387536B2 (ja) | 蒸気加熱装置 | |
JP2001201274A (ja) | 蒸気加熱装置 | |
JP4540771B2 (ja) | 蒸気加熱装置 | |
CA2602524C (en) | Steam-heating apparatus | |
JP4540772B2 (ja) | 蒸気加熱装置 | |
JP4361203B2 (ja) | 蒸気加熱装置 | |
JP4330730B2 (ja) | 蒸気加熱装置 | |
JP5047426B2 (ja) | 蒸気加熱装置 | |
JP4409715B2 (ja) | 蒸気加熱装置 | |
JP3394929B2 (ja) | 蒸気加熱装置 | |
JP2000354541A (ja) | 蒸気加熱装置 | |
JP2001201277A (ja) | 蒸気加熱装置 | |
JP3341209B2 (ja) | 蒸気加熱装置 | |
JP4472102B2 (ja) | 蒸気加熱装置 | |
JP2003024769A (ja) | 蒸気加熱装置 | |
JP2001324294A (ja) | 復水排出装置 | |
JP2004138255A (ja) | 蒸気熱交換装置 | |
JP2005037047A (ja) | 熱交換装置 | |
JP2001321660A (ja) | 蒸気加熱装置 | |
JP2001201278A (ja) | 蒸気加熱装置 | |
JP2001293361A (ja) | 蒸気加熱装置 | |
JP2001296089A (ja) | 蒸気加熱装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 00807517.4 Country of ref document: CN |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): CA CN KR SG US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
ENP | Entry into the national phase |
Ref document number: 2366367 Country of ref document: CA Ref document number: 2366367 Country of ref document: CA Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020017011659 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2000981790 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 2000981790 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 09936370 Country of ref document: US |
|
WWG | Wipo information: grant in national office |
Ref document number: 2000981790 Country of ref document: EP |