CN206247312U - Overheated steam generating means - Google Patents

Abstract

The utility model provides overheated steam generating means, and generation condenses on treated object when being prevented from using overheated steam to process treated object, and the overheated steam generating means include：The vapor generating unit (2) of induction heating mode or electrified regulation mode, vapor is generated from water；The overheated steam generating unit (3) of induction heating mode or electrified regulation mode, overheated steam is generated from vapor；Vapor supply channel (L2), to the vapor that overheated steam generating unit (3) supply is generated by vapor generating unit (2)；And gas supply channel (L3), other gases are supplied to overheated steam generating unit (3), the overheated steam generating means can switch to first state or the second state, the first state is the state that vapor is supplied to overheated steam generating unit (3), and second state is the state that other gases are supplied to overheated steam generating unit (3).

Description

Overheated steam generating means

Technical field

The utility model is related to generate the overheated steam generating means of overheated steam from water and uses the superheated water The processing method of steam generation device.

Background technology

In recent years, treated object is cleaned using overheated steam, the overheated steam of dry or sterilization is processed Device is studied.

As Patent Document 1, the overheated steam processing unit includes：Overheated steam generating unit, generation overheat Vapor；And treatment furnace, the overheated steam generated by the overheated steam generating unit is supplied to, to being contained in the place The treated object for managing stove is cleaned, dried or sterilized.

But, such as the air pressure in treatment furnace is the situation of the initial temperature less than 100 DEG C of 1 atmospheric pressure and treated object Under, before the temperature of treated object rises to more than 100 DEG C, overheated steam liquefaction simultaneously produces condensation on treated object. Condensation is bad on treated object, it is undesirable to produce the situation.

Prior art literature

Patent document 1：Japanese Laid-Open Patent Publication 2007-231367

Utility model content

Therefore, the utility model be for solving the problems, such as utility model that is described and making, it is of the present utility model main Purpose is to prevent from producing condensation on treated object in the case where treated object is processed using overheated steam.

That is, the utility model provides a kind of overheated steam generating means, and it includes：Induction heating mode or electrified regulation The vapor generating unit of mode, vapor is generated from water；The overheated steam generation of induction heating mode or electrified regulation mode Portion, overheated steam is generated from vapor；Vapor supply channel, is steamed to overheated steam generating unit supply by the water The vapor that gas generating unit is generated；And gas supply channel, steamed to overheated steam generating unit supply and the water Other different gases of gas, it is first state or the second state, described that the overheated steam generating means are allowed hand over One state is the state that the vapor is supplied to the overheated steam generating unit, and second state is to the superheated water The state that described other gases of steam generating unit supply and the overheated steam generating unit play a role as gas heating part.

According to the overheated steam generating means, due to generating superheated water by overheated steam generating unit in the first state Steam, in the second condition overheated steam generating unit played a role as gas heating part, other gases be heated, so Before processing treated object using overheated steam, treated object, Neng Goufang are heated by using other gases being heated Only overheated steam liquefies and is produced on treated object and condenses.Further, since making overheated steam generating unit add as gas Hot portion plays a role, so the other heater of treated object need not be heated, can simplify for preventing treated object Condensation system architecture, and the system compact can be made.

Preferably, the overheated steam generating means also include vapor flow adjustment portion, the vapor flow Adjustment portion is arranged in the vapor supply channel, is steamed for adjusting the water supplied to the overheated steam generating unit The flow of gas, in said second condition, the vapor flow adjustment portion stops being supplied to the overheated steam generating unit The vapor.According to this composition, vapor is generated by by vapor generating unit in the second condition, thus, it is possible to promptly Switch from the second state to first state.

Preferably, the overheated steam generating means also include control device, and the control device is controlled to described Vapor generating unit provides electric power, and in said second condition, the control device stops being provided to the vapor generating unit Electric power.According to this composition, the electric power for being consumed by vapor generating unit in the second condition can be reduced.

Preferably, in addition to the first state and second state, the overheated steam generating means are also It is the third state to allow hand over, the third state be to the overheated steam generating unit supply the vapor and it is described its The state that its gas and the overheated steam generating unit play a role as mixed gas heating part.According to this composition, except Outside using overheated steam treatment treated object, additionally it is possible to carry out other treatment.For example, other gases be air or In the case of nitrogen, the oxidation processes or nitrogen treatment of treated object can be carried out.

Preferably, the overheated steam generating means also include vapor flow adjustment portion, the vapor flow Adjustment portion is arranged in the vapor supply channel, is steamed for adjusting the water supplied to the overheated steam generating unit The flow of gas, under the third state, the vapor flow adjustment portion is adjusted and supplied to the overheated steam generating unit The vapor flow, thus adjust the vapor in the overheated steam generating unit and other gases Mixing ratio.According to this composition, the treatment conditions of treated object can be controlled.For example, being air or nitrogen in other gases In the case of, the degree of oxidation or nitridation of treated object can be controlled.

As vapor generating unit and the specific structure of overheated steam generating unit, it may be considered that following structures： The vapor generating unit and the overheated steam generating unit be using be made up of main transformer and teaser transformer this What Ke Te wiring transformers were constituted, the vapor generating unit has the first heating metallic object, by the main transformer Output carries out sensing heating or electrified regulation to first heating with metallic object, and the overheated steam generating unit has the Two heating metallic objects, sensing heating or logical is carried out to second heating by the output of the teaser transformer with metallic object Electrical heating.

In this composition, in order to separately control the temperature of the vapor generated by vapor generating unit and by overheating The temperature of the overheated steam of vapor generating unit generation, it is preferred that in the two-phase of the input side of the main transformer One side is provided with the first controller of control voltage or electric current, in the primary coil as input side of the teaser transformer One side is provided with the second controller of control voltage or electric current, by first controller and second control Device, separately controls the output voltage of the main transformer and the output voltage of the teaser transformer.

The primary coil of main transformer is flowed into due to the electric current that the primary coil of teaser transformer is flowed through in primary side current, So the primary side output control in generation Scott wiring transformer can not make the feelings for being output into zero of main transformer sometimes Condition.For example, do not export vapor but in the case of only heating other gases by the second heating metallic object so that main transformer pressure First controller of device side is output as zero and makes the second controller of teaser transformer side be output into the mode of big output carrying out Control, but the primary coil of main transformer is flowed into due to the electric current of the primary coil of teaser transformer, so becoming the first heating It is heated with metallic object.Then, there is a problem of that the first heating is heated excessively with metallic object, this is danger close.

In order to be properly addressed by the problem, it is preferred that the overheated steam generating means also include switching mechanism, institute State switching mechanism and switched between the first connection status and the second connection status, first connection status be by with it is described One end side terminal of the primary coil of the midpoint terminal and the teaser transformer of the midpoint connection of the primary coil of main transformer connects Connect and carry out the state of Scott connection, second connection status is to release the Scott wiring and will be including described second The state that the both sides terminal of the primary coil of the teaser transformer of controller is connected with three-phase alternating-current supply.

According to this composition, generation overheated steam first state and, heating overheated steam and other gases In the case of the third state of mixed gas, can be used under the first connection status (Scott wiring state), only heated In the case of second state of other gases, can be in the second connection status (teaser transformer lateral circuit and main transformer lateral circuit Circuit state independently) under use.Under the second connection status, can side heat other gases and operated, while making water The insulation of steam generating unit is standby.Alternatively, it is also possible to make the first controller be output as zero, only to heat other gases in the way of connect Reforwarding turns.

In the case of by switching mechanism switching for Scott wiring state, if by the defeated of three-phase alternating-current supply Enter voltage and be set to E, be then E × (√ 3)/2 to the voltage that the primary coil of the teaser transformer including second controller applies.But It is that, if releasing Scott wiring by switching mechanism, the both sides of the primary coil of the teaser transformer of second controller will be included Terminal is connected with three-phase alternating-current supply, then applied voltage turns into E.That is, the applied voltage for applying to the primary coil of teaser transformer As 2/ (√ 3) times.In addition, before the second heating metallic object reaches target temperature, second controller is with as big defeated The mode for going out is acted, and circuital current also turns into substantially 2/ (√ 3) times.

Now, if the second controller is the equipment with Given current controller function, it is prevented from teaser transformer Primary coil in flow through big electric current more than certain, can have circuit protection function.

In addition, the utility model also provides a kind of processing method, it uses overheated steam generating means to treated object Processed, the overheated steam generating means include：The vapor generating unit of induction heating mode or electrified regulation mode, Vapor is generated from water；The overheated steam generating unit of induction heating mode or electrified regulation mode, generates from vapor and overheats Vapor；Vapor supply channel, to the water that overheated steam generating unit supply is generated by the vapor generating unit Steam；And gas supply channel, supply other gases different from the vapor, institute to the overheated steam generating unit Stating processing method includes：Preceding operation, to described other gases of overheated steam generating unit supply and described other gas of heating Body, the treated object is heated by other gases described in being heated；And rear operation, after the preceding operation, to The overheated steam generating unit supplies the vapor, generates overheated steam, is processed in institute by the overheated steam State the treated object being heated in preceding operation.

According to the utility model of the composition, before treated object is processed using overheated steam, by using quilt Warmed-up other gases are heated to treated object, are prevented from the condensation of treated object.

Brief description of the drawings

Fig. 1 is the figure of the structure of the overheated steam generating means for schematically showing present embodiment.

Fig. 2 is a figure for example of the hollow conductor pipe for representing same implementation method.

Fig. 3 is the main figure for representing and being constituted with the iron core of each vapor generating unit of implementation method.

Fig. 4 is the figure of the variation of the iron core composition of each vapor generating unit for representing same implementation method.

Fig. 5 is the figure of the wiring of the induction coil of each vapor generating unit for representing same implementation method.

Fig. 6 is the figure of the composition of the control device for schematically showing same implementation method.

Fig. 7 is the figure of the processing method for schematically showing same implementation method.

Fig. 8 is the figure of the wiring of the induction coil of each vapor generating unit for representing variant embodiment.

Description of reference numerals

100 overheated steam generating means

L1 water supply channel

L2 saturated steam supply channel

L3 gas supply channel

L4 overheated steam supply channel

2 saturated steam generating units (vapor generating unit)

3 overheated steam generating units

4 vapor flow regulating valves (vapor flow adjustment portion)

5 gas flow regulating valves (gas flow adjustment portion)

6 processing units

7 control devices

Specific embodiment

Hereinafter, an implementation method referring to the drawings to overheated steam generating means of the present utility model is illustrated.

The overheated steam generating means 100 of present embodiment are that overheated steam is generated by being heated to water Device, in addition to the overheated steam systematic function, the gas for also being heated with pair other gases different from vapor The heated hot merit energy of body.Additionally, can be air, oxygen, nitrogen and argon gas etc. as described other gases, as long as water steams Gas beyond gas, can consider various gases according to purposes.

As shown in figure 1, the overheated steam generating means 100 include：(the hereinafter referred to as saturation water of vapor generating unit 2 Steam generating unit 2), heating generation saturated steam is carried out to water；Overheated steam generating unit 3, heats saturated steam, generation Overheated steam；Vapor supply channel L2 (hereinafter referred to as saturated steam supply channel L2), to overheated steam generating unit 3 The saturated steam that supply is generated by saturated steam generating unit 2；And gas supply channel L3, to overheated steam generating unit 3 supplies other gases different from saturated steam.

Saturated steam generating unit 2 is, for example, induction heating mode or electrified regulation mode, with for importing water Water introducing port 21 and the saturated steam export mouth 22 for deriving saturated steam.Additionally, from container (not shown) etc. to The water supply channel L1 of the supply water of saturated steam generating unit 2 is connected with water introducing port.

The saturated steam generating unit 2 of induction heating mode can include：Hollow conductor pipe 2T (reference picture 2), is formed as Such as helical form with water introducing port 21 and saturated steam export mouth 22；Induction coil (not shown), configures in this The inner side or outside of empty conductor tube 2T, sensing heating is carried out to hollow conductor tube 2T；And AC power (not shown), to institute State induction coil and apply alternating voltage, alternating voltage is applied by the induction coil, so as to be flowed in hollow conductor pipe 2T Induced-current is crossed, Joule heat is thus produced, so that the water having imported into hollow conductor pipe 2T changes state and turns into saturation Vapor.

In addition, the saturated steam generating unit 2 of electrified regulation mode can include：Hollow conductor pipe 2T, is formed as having Such as helical form of water introducing port 21 and saturated steam export mouth 22；And dc source or AC power (are not schemed Show), to the hollow conductor pipe 2T applied voltages, by making current flow through hollow conductor pipe, Joule heat is thus produced, so that The water having imported into hollow conductor pipe 2T changes state and turns into saturated steam.Additionally, in the situation of electrified regulation mode Under, hollow conductor pipe is not limited to helical form, it is also possible to be formed as such as straight tube-like.

Either which kind of mode, all detects that saturation water derived from the saturated steam export mouth 22 from hollow conductor tube 2T steams The temperature of gas, and to be applied to induction coil voltage, be applied to hollow conductor pipe 2T voltage or flow through hollow conductor pipe The electric current of 2T carries out feedback control, thus controls saturation water derived from the saturated steam export mouth 22 from hollow conductor tube 2T to steam The temperature of gas.Additionally, the temperature detection of saturated steam can contemplate by the way of the temperature of direct detection saturated steam With by way of the temperature of temperature indirect detection saturated steam for detecting hollow conductor pipe 2T.

Overheated steam generating unit 3 is identical with the saturated steam generating unit 2, for example, induction heating mode or logical Electric heating, with for importing the saturated steam introducing port 31 of saturated steam and deriving the overheat of overheated steam Vapor export mouth 32.

The overheated steam generating unit 3 of induction heating mode can include：Such as spiral helicine hollow conductor pipe 3T (references Fig. 2), with saturated steam introducing port 31 and overheated steam export mouth 32；Induction coil (not shown), configures described The inner side or outside of hollow conductor pipe 3T, sensing heating is carried out to hollow conductor tube 3T；And AC power (not shown), it is right The induction coil applies alternating voltage, and alternating voltage is applied by the induction coil, induced-current is flowed through hollow leading Body pipe 3T, thus produces Joule heat, so that the saturated steam importeding into hollow conductor pipe 3T changes state and turned into Hot steam.

In addition, the overheated steam generating unit 3 of electrified regulation mode can include：Hollow conductor pipe 3T, is formed as having Such as helical form of saturated steam introducing port 31 and overheated steam export mouth 32；And dc source or AC power (not shown), to the hollow conductor pipe 3T applied voltages, by making current flow through hollow conductor pipe 3T, thus produces joule Heat, so that the saturated steam importeding into hollow conductor pipe 3T changes state and turns into overheated steam.No matter which kind of side Formula, all by the voltage that controls to apply hollow conductor tube 3T or flows through the electric current of hollow conductor pipe 3T and controls from hollow The temperature of overheated steam derived from the overheated steam export mouth 32 of conductor tube 3T.Additionally, in the situation of electrified regulation mode Under, hollow conductor pipe 3T is not limited to helical form, or for example in the hollow conductor pipe of straight tube-like.

Either which kind of mode, all detects that superheated water derived from the overheated steam export mouth 32 from hollow conductor tube 3T steams The temperature of gas, and to be applied to induction coil voltage, be applied to hollow conductor pipe 3T voltage or flow through hollow conductor pipe The electric current of 3T carries out feedback control, thus controls superheated water derived from the overheated steam export mouth 32 from hollow conductor tube 3T to steam The temperature of gas.Additionally, the temperature detection of overheated steam, it may be considered that the mode of the temperature of direct detection overheated steam and logical Cross and detect that the temperature of hollow conductor pipe 3T carrys out the mode of the temperature of indirect detection overheated steam.

In addition, in the case of induction heating mode, if the frequency for making the alternating voltage of applying is 50Hz or 60Hz Commercial frequency, then due to electric current permeability depth, so can be obtained by the temperature detection of the outer surface of hollow conductor pipe 2T, 3T To the temperature detection identical value with inner surface, even therefore indirect detection can also carry out high-precision steam temperature inspection Survey.

In the present embodiment, as shown in Figure 3 and 4, in the induction coil 2C and mistake of saturated steam generating unit 2 The central part of the induction coil 3C of hot steam's generating unit 3 is provided with magnetic circuit iron core 101,102, thus, by making by sensing The magnetic flux that coil 2C, 3C are produced efficiently is circulated, so that magnetic flux efficiently imports each hollow conductor pipe 2T, 3T.Additionally, except Outside the magnetic circuit of saturated steam generating unit 2 magnetic circuit of iron core 101 and overheated steam generating unit 3 is with iron core 102, also set Shared iron core 103 is equipped with, the shared iron core 103 turns into the common path of the magnetic flux that two magnetic circuits are produced with iron core 101,102, Connection iron core 104,105 connects the upper and lower of the shared iron core 103 and described two magnetic circuit iron cores 101,102 respectively.It is logical This composition is crossed, the overall size of iron core can be reduced, can further realize the overall miniaturization of device.Additionally, in Fig. 3 and In Fig. 4, each iron core is configured in the way of the vertex of a triangle when to overlook, will be altogether when connection iron core 104,105 is to overlook Bent as the mode of bending point with iron core 103.Thereby, it is possible to reduce the distance between two magnetic circuit iron cores 101,102, so that The overall size in the direction of the width of iron core can be reduced, save space can be realized.

Additionally, the induction coil 3C of the induction coil 2C of saturated steam generating unit 2 and overheated steam generating unit 3 is Scott wiring (reference picture 5).That is, using by main transformer (Main transformer) and teaser transformer (Teaser Transformer) the Scott wiring transformer for constituting constitutes saturated steam generating unit 2 and overheated steam generating unit 3.

By the output of main transformer, to hollow conductor pipe 2T (the first heating metals of saturated steam generating unit 2 Body) carry out sensing heating or electrified regulation.By the output of teaser transformer, to the hollow conductor of overheated steam generating unit 3 Pipe 3T (second heats with metallic object) carries out sensing heating or electrified regulation.

In addition, the side (the V phases of three-phase alternating-current supply 10 in Fig. 5) in the two-phase of the input side of main transformer is provided with First controller 81, the control voltage of the first controller 81 or electric current.In the primary coil (sense as input side of teaser transformer Answer coil 3C) a side (the U phases of three-phase alternating-current supply 10 in Fig. 5) be provided with second controller 82, second controller 82 is controlled Voltage processed or electric current.Here, constituting the first controller 81 and second controller using the semiconductor such as IGCT control element 82.Additionally, separately controlling the output voltage and pair of main transformer by the first controller 81 and second controller 82 The output voltage of transformer.

One end of saturated steam supply channel L2 connects with the saturated steam export mouth 22 of saturated steam generating unit 2 Connect, the other end is connected with the overheated steam introducing port 31 of overheated steam generating unit 3, for example, saturation water steaming is made up of connecting tube Gas supply channel L2.In addition it is also possible to be used as the company by being provided integrally with described any one hollow conductor pipe 2T, 3T The function of adapter, and for example, by the joint with insulating properties, the saturated steam export mouth of connection saturated steam generating unit 2 22 and the overheated steam introducing port 31 of overheated steam generating unit 3.

In addition, being provided with vapor flow adjustment portion 4 on saturated steam supply channel L2, (hereinafter referred to as saturation water steams Throughput adjustment portion 4), adjust the flow of the saturated steam supplied to overheated steam generating unit 3.The saturation of present embodiment Vapor flow adjustment portion 4 is first flow regulating valve.Additionally, from control device 7 described below to first flow regulating valve 4 Input control signal, controls its valve opening.Alternatively, it is also possible to set flowmeter on saturated steam supply channel L2.

One end of gas supply channel L3 is connected with the supply source of other gases (such as air or nitrogen etc.), the other end with The downstream (side of overheated steam generating unit 3) of the first flow regulating valve 4 on saturated steam supply channel L2 or overheat Vapor generating unit 3 is connected.In the case where gas supply channel L3 is connected with saturated steam supply channel L2, gas is being constituted Gas introduction port is formed with the connecting tube of body supply channel L3.In addition, being generated in gas supply channel L3 and overheated steam In the case of the connection of portion 3 (reference picture 1), gas introduction port 33 is formed with overheated steam generating unit 3 and (is not schemed in Fig. 2 Show).Additionally, when gas introduction port 33 is formed with overheated steam generating unit 3, it is considered to the efficiency of heating surface of other gases, Preferably, gas introduction port 33 is formed at the upstream side (side of saturated steam introducing port 31) of hollow conductor pipe 3T.

In addition, being provided with gas flow adjustment portion 5 on gas supply channel L3, gas flow adjustment portion 5 is adjusted to mistake The flow of other gases of the supply of hot steam's generating unit 3.The gas flow adjustment portion 5 of present embodiment is second flow regulation Valve.Additionally, being input into control signal to second flow regulating valve 5 from control device 7 described below, its valve opening is controlled.Additionally, Flowmeter can also be set on gas supply channel L3.

Additionally, in the present embodiment, the overheated steam generated by overheated steam generating unit 3 or it has been heated Other gases, are supplied to processing unit 6, the treatment treated object of processing unit 6 W.

Processing unit 6 treated object W is heat-treated by overheated steam or other gases (for example clean, dry, Burn till or sterilized), processing unit 6 has：Treated object resettlement section 61, houses treated object W, and form confined space or big The space that densification is closed；Overheated steam introducing port 62, is arranged at the treated object resettlement section 61, is steamed for importing superheated water Gas；Condensed water discharge outlet 63, for discharging the condensed water produced in treated object resettlement section 61；And outlet 64, discharge logical The use of treated object resettlement section 61 complete steam or other gases are crossed.The overheated steam introducing port 62 of processing unit 6 leads to Overheated steam supply channel L4 is crossed to be connected with the overheated steam export mouth 32 of overheated steam generating unit 3.Additionally, with it is cold Switch valve is provided with solidifying water outlet 63 and the runner of the connection of outlet 64.

The overheated steam generating means 100 of the composition are first state, the second state and the 3rd shape to allow hand over The mode of state is constituted, and the first state is the state that saturated steam is only supplied to overheated steam generating unit 3；Described second State is to only supply other gases to overheated steam generating unit 3, and overheated steam generating unit 3 is played as gas heating part to be made State；The third state is to both the supply saturated steam of overheated steam generating unit 3 and other gases, superheated water The state that steam generating unit 3 plays a role as mixed gas heating part.

Here, by control saturated steam generating unit 2, overheated steam generating unit 3, first flow regulating valve 4 and The control device 7 of second flow regulating valve 5, overheated steam generating means 100 switch to first state, the second state and the 3rd Any one state in state.

The control device 7 is the device for physically possessing CPU, memory, A/D converter and D/A converter etc., As shown in fig. 6, functionally, control device 7 has：First heating and temperature control portion 71, control saturated steam generating unit 2 Heating-up temperature (hereinafter referred to as the first heating-up temperature)；Second heating and temperature control portion 72, controls adding for overheated steam generating unit 3 Hot temperature (hereinafter referred to as the second heating-up temperature)；First flow governor valve control portion 73, control first flow regulating valve 4；Second Flux Valve Control portion 74, control second flow regulating valve 5.Additionally, control device 7 has processed material temperature obtaining portion 75, Processed material temperature obtaining portion 75 is used to obtain the temperature being contained in the temperature of the treated object W of processing unit 6 or processing unit 6. Additionally, connected between control device 7 and saturated steam generating unit 2 and the grade each several part of overheated steam generating unit 3, but In Fig. 1, the description of the connection is eliminated.

Hereinafter, as the explanation for each several part, reference picture 7, to the overheated steam generating means 100 of present embodiment Action is illustrated.

First, if user operates overheated steam generating means 100, for example, steamed to saturation water by supply-water pump etc. Gas generating unit 2 supplies the water in container (not shown).

Now, the first heating and temperature control portion 71 controls the first heating-up temperature, so as to be generated by saturated steam generating unit 2 Saturated steam turn into set point of temperature, in the present embodiment, by the temperature of the hollow conductor pipe 2T of saturated steam generating unit 2 Degree is set to first heating-up temperature.

Specifically, the first heating and temperature control portion 71 is obtained from being arranged in saturated steam generating unit 2 The measured value of the first temperature sensor T1 of empty conductor tube 2T or saturated steam supply channel L2, controls according to the measured value The size of the alternating voltage of the induction coil 2C of saturated steam generating unit 2 is applied to, by the first heating and temperature control for for example 100~140 DEG C.

Additionally, in order that the measured value closer to saturated steam temperature, it is preferred that first TEMP Device T1 is arranged on downstream or saturated steam export mouth 22 or the saturation of the hollow conductor pipe 2T of saturated steam generating unit 2 The vicinity of vapor export mouth 22.

Additionally, in the state of saturated steam generating unit 2 generates saturated steam, first flow governor valve control First flow regulating valve 4 is controlled to the state that valve opening is zero in portion 73, will first flow regulating valve 4 be controlled to closing shape State.Thus, state of the overheated steam generating means 100 in the generation saturated steam of saturated steam generating unit 2, and into It is holding state, the holding state is off supplying the state of the saturated steam.

Under the holding state, second flow governor valve control portion 74 opens second flow regulating valve 5, from gas supply Runner L3 supplies other gases to overheated steam generating unit 3.

Now, the second heating and temperature control portion 72 controls the second heating-up temperature, so as to be heated by overheated steam generating unit 3 Other gases turn into set point of temperature, in the present embodiment, by the temperature of the hollow conductor pipe 3T of overheated steam generating unit 3 It is set to second heating-up temperature.

Specifically, the second heating and temperature control portion 72 is obtained from being arranged in overheated steam generating unit 3 The measured value of the second temperature sensor T2 of empty conductor tube 3T or overheated steam supply channel L4, controls according to the measured value The size of the alternating voltage of the induction coil 3C of overheated steam generating unit 3 is applied to, by the second heating and temperature control for for example More than 100 DEG C.

Additionally, as long as the second heating-up temperature when heating other gases can be so that supply will not be in quilt during overheated steam The mode of the degree of condensation is produced to heat the temperature of treated object W on processed material W.In addition, in order that the measured value more Close to the temperature of overheated steam, it is preferred that the second temperature sensor T2 is arranged in overheated steam generating unit 3 The downstream of empty conductor tube 3T or the vicinity of overheated steam export mouth 32 or overheated steam export mouth 32.

Thus, first flow regulating valve 4 is closed, and second flow regulating valve 5 is in open mode, and superheated water steams Gas generating means turn into the second shape that overheated steam generating unit 3 plays a role as the gas heating part for heating other gases State.In this second state, the preceding operation that (preheating) is contained in the treated object W of processing unit 6 is heated.

The processed material temperature obtaining portion 75 of control device 7 obtains the temperature for carrying out the treated object W that measurement is contained in processing unit 6 The measured value of the three-temperature sensor T3 of the temperature in degree or processing unit 6.Additionally, processed material temperature obtaining portion 75 judges to come (will not be in treated object W during supply overheated steam from whether the measured value of three-temperature sensor T3 becomes set point of temperature It is upper to produce the temperature for condensing).

When by processed material temperature obtaining portion 75 be judged as the measured value from three-temperature sensor T3 be the regulation temperature When more than degree, second flow regulating valve 5 is controlled to closed mode, first flow regulating valve by second flow governor valve control portion 74 Control unit 73 opens first flow regulating valve 4, is supplied from saturated steam supply channel L2 to overheated steam generating unit 3 full And vapor.

Additionally, first flow governor valve control portion 73 and second flow governor valve control portion 74 can also be different from the place The judgement of reason thing temperature obtaining portion 75, according to the switching signal from user input, switches first flow regulating valve 4 and second flow The opening and closing of regulating valve 5.In addition, first flow governor valve control portion 73 and second flow governor valve control portion 74 can also be by fixed When device etc. obtain and represent the stipulated time that the stipulated time is have passed through from as the second state by signal, switching first flow is adjusted The opening and closing of section valve 4 and second flow regulating valve 5.

Now, the second heating and temperature control portion 72 is obtained from the hollow conductor pipe for being arranged at overheated steam generating unit 3 The measured value of the second temperature sensor T2 of 3T or overheated steam supply channel L4, according to the measured value, control second adds Hot temperature, so as to turn into set point of temperature by the overheated steam that overheated steam generating unit 3 is generated.Specifically, second is added Before and after hot temperature control is the design temperature or the design temperature of the overheated steam generated by overheated steam generating unit 3 Temperature, is for example controlled to 200~1200 DEG C herein.

Thus, first flow regulating valve 4 is in open mode, and second flow regulating valve 5 is closed, and superheated water steams Gas generating means 100 turn into the first state that overheated steam generating unit 3 generates overheated steam.In the first state, enter Operation after row, the rear operation treated object W for being contained in processing unit 6 is heat-treated (for example clean, dry, burn till or Person is sterilized).

Additionally, work as being switched to as saturated steam from the second state (holding state) as gas supply condition During the first state of supply condition, as shown in fig. 7, first flow governor valve control portion 73 is controlled, so that first flow is adjusted Section valve 4 is little by little opened and its valve opening is become larger to regulation aperture from zero.Thus, saturation is switched to from by holding state Before the switching time point of vapor supply condition reaches regulation aperture to the valve opening of first flow regulating valve 4, as saturation water The quantity delivered of steam gradually increased initial operation, from valve opening reached regulation aperture when light, as saturated steam Quantity delivered turn into certain steady running.Additionally, operation after being carried out in the process time of regulation.

Below, to rear operation at the end of action illustrate.

The overheated steam generating means 100 of present embodiment from carried out be used for from saturated steam supply condition switching To holding state operation either automatically or manually when light, by after the stipulated time, stopping to overheated steam generating unit 3 Supply saturated steam.Additionally, carried out the operation for being switched to holding state from saturated steam supply condition when Point, stops providing electric power to the induction coil of overheated steam generating unit 3.

Here, the so-called operation for being switched to holding state from saturated steam supply condition e.g. user is from outer When portion represents that saturated steam supply condition have passed through regulation using outputs such as input switching signal or the timers such as input unit Between stipulated time by signal etc..

In more detail, in the present embodiment, if carried out standby for being switched to from saturated steam supply condition The operation of state, then described first flow governor valve control portion 73 obtains for example described switching signal or stipulated time warp Cross signal etc., from obtain signal when stipulated time for lighting in, remain on first flow regulating valve 4. In the stipulated time, saturated steam is provided from saturated steam generating unit 2 to overheated steam generating unit 3.Thus, pass through Saturated steam is cooled down to the overheated steam generating unit 3 for becoming high temperature at the end of rear operation.Thus, by superheated water Steam generating unit 3 is cooled to the design temperature under holding state, is prevented from damage of overheated steam generating means 100 etc..

As described above, taking out the treated object W after being heat-treated by preceding operation and rear operation from processing unit 6.This Outward, after untreated treated object W is housed in processing unit 6, preceding operation and rear operation are carried out in the same manner as described.

In addition, the overheated steam generating means 100 of present embodiment are in rear operation, by first flow regulating valve control Portion processed 73 makes first flow regulating valve 4 be in open mode, and adjusts second flow by second flow governor valve control portion 74 Section valve 5 is in open mode, thus provides both saturated steam and other gases to overheated steam generating unit 3.Now, lead to The flow of saturated steam and other gases supplied to overheated steam generating unit 3 is overregulated, can be adjusted and be steamed by superheated water The mixing ratio of the mixed gas that gas and other gases are constituted.So, mixed and added to saturated steam and other gases In the case of heat, from the viewpoint of mixing from the runner for making to be mixed length as much as possible and equably, it is preferred that hollow to lead Body pipe is in the shape of a spiral.

In rear operation, both saturated steam and other gases, Neng Goujin are supplied by overheated steam generating unit 3 The row other treatment different from the treatment of overheated steam has been used.For example, in the feelings that other gases are air or nitrogen Under condition, the oxidation processes or nitrogen treatment of treated object W can be carried out.In addition, by adjusting mixing ratio, can control to be processed The degree of oxidation or nitridation of thing W.

According to such overheated steam generating means 100 for constituting, due in the first state, being generated by overheated steam Portion 3 generates overheated steam, and in the second condition, overheated steam generating unit 3 plays a role as gas heating part, to other Gas is heated, so before treated object W is processed using overheated steam, by using other gases being heated Heating treated object W, is prevented from overheated steam liquefaction and condensation is produced on treated object W.Further, since making superheated water Steam generating unit 3 plays a role as gas heating part, so the other heater of treated object W, energy need not be heated Enough system architectures for simplifying the condensation for preventing treated object W, and the system compact can be made.

In addition, the utility model is not limited to the implementation method.

For example, in said embodiment, being made at first flow regulating valve 4 by making first flow governor valve control portion 73 Turn into the second state in closed mode, but can also be following manner：The first heating and temperature control portion 71 is set to stop to full Electric power is provided with the induction coil of vapor generating unit 2 and turn into the second state.Now, first flow regulating valve 4 can both be located In closed mode, it is also possible in open mode, but if first flow regulating valve 4 is closed, then it is prevented from Other gas backflows are in saturated steam generating unit 2.

In addition, in said embodiment, overheated steam generating unit 3 is steamed as the saturation water received by being arranged on leading portion Gas generating unit 2 generation saturated steam composition, but saturated steam generating unit 2 it is further to saturated steam heating and In the case of generation overheated steam, overheated steam generating unit 3 can also be configured to receive overheated steam, and to receiving To overheated steam further heat, generate to overheated steam using portion supply desired by temperature superheated water steam Gas.

Additionally, in addition to the composition of the implementation method, overheated steam generating means 100 can also have return to flow Road, the return runner is used to make the complete steam of the use for having passed through processing unit 6 or other gases return to overheated steam Generating unit 3.It is described return runner one end be connected with processing unit 6 (such as the outlet of treated object resettlement section), the other end and The downstream (side of overheated steam generating unit 3) of the flow control valve of saturated steam supply channel L2, gas supply channel L3 Or overheated steam generating unit 3 is connected.So, by being recycled using complete steam or other gases, can Suppress thermal loss.

And, as shown in figure 8, overheated steam generating means 100 can also include switching mechanism 9, the switching mechanism 9 is used In being switched between the first connection status and the second connection status, first connection status is by the primary of main transformer The primary coil (induction coil 3C) of coil (induction coil 2C) and teaser transformer carries out the state of Scott wiring, described Two connection status are using the induction coil 2C and the induction coil 3C as the state of independent circuit.

First connection status is the midpoint terminal for being connected the midpoint with the primary coil (induction coil 2C) of main transformer The Scott wiring state of one end side terminal 3E connections of the primary coil (induction coil 3C) of 2M and teaser transformer.The opposing party Face, the second connection status is to release Scott wiring, will include the primary coil (line of induction of the teaser transformer of second controller 82 Circle 3C) the state that is connected of both sides terminal and three-phase alternating-current supply 10 (being U phases and V phases in Fig. 8).Additionally, in the second connection Under state, the both sides terminal of the primary coil (induction coil 2C) of main transformer keeps V phases and W with three-phase alternating-current supply 10 The state being connected.

As switching mechanism 9, for example, constituted using electromagnetic contactor or thyristor, and controlled by control device 7 System.In addition, in this composition, second controller 82 has the electric current of the primary coil (induction coil 3C) that will flow through teaser transformer It is controlled to the Given current controller function below certain value.

Generation overheated steam first state and, the mixed gas of heating overheated steam and other gases the In the case of three condition, the first connection status (Scott wiring state) is switched to by switching mechanism 9.On the other hand, only adding In the case of second state of hot other gases, the second connection status (teaser transformer lateral circuit and master are switched to by switching mechanism 9 Transformer side circuitry circuit state independently).Additionally, under the second connection status, while by the controlling stream of second controller 82 Cross the electric current of induction coil 3C and heat other gases and operated, while flowing through induction coil 2C's by the control of the first controller 81 Electric current, can be incubated saturated steam generating unit 2 standby.

Additionally, the utility model is not limited to the implementation method, the utility model objective can not departed from certainly In the range of carry out various modifications.

Described technical characteristic in the various embodiments of the utility model (embodiment) can be mutually combined to be formed newly Technical scheme.

Claims (8)

1. a kind of overheated steam generating means, it is characterised in that

The overheated steam generating means include：

The vapor generating unit of induction heating mode or electrified regulation mode, vapor is generated from water；

The overheated steam generating unit of induction heating mode or electrified regulation mode, overheated steam is generated from vapor；

Vapor supply channel, is steamed to overheated steam generating unit supply by the water that the vapor generating unit is generated Gas；And

Gas supply channel, other gases different from the vapor are supplied to the overheated steam generating unit,

It is first state or the second state that the overheated steam generating means are allowed hand over, and the first state is to described Overheated steam generating unit supplies the state of the vapor, and second state is supplied to the overheated steam generating unit The state that described other gases and the overheated steam generating unit play a role as gas heating part.

2. overheated steam generating means according to claim 1, it is characterised in that

The overheated steam generating means also include vapor flow adjustment portion, and the vapor flow adjustment portion is arranged on institute State in vapor supply channel, the flow for adjusting the vapor supplied to the overheated steam generating unit,

In said second condition, the vapor flow adjustment portion stops supplying the water to the overheated steam generating unit Steam.

3. overheated steam generating means according to claim 1, it is characterised in that

The overheated steam generating means also include control device, and the control device controls to be carried to the vapor generating unit Power supply power,

In said second condition, the control device stops providing electric power to the vapor generating unit.

4. overheated steam generating means according to claim 1, it is characterised in that

In addition to the first state and second state, the overheated steam generating means can also switch to the 3rd State, the third state is to supply the vapor and described other gases and the mistake to the overheated steam generating unit The state that hot steam's generating unit plays a role as mixed gas heating part.

5. overheated steam generating means according to claim 4, it is characterised in that

The overheated steam generating means also include vapor flow adjustment portion, and the vapor flow adjustment portion is arranged on institute State in vapor supply channel, the flow for adjusting the vapor supplied to the overheated steam generating unit,

Under the third state, the vapor flow adjustment portion is adjusted to described in overheated steam generating unit supply The flow of vapor, thus adjusts the mixing of the vapor and other gases in the overheated steam generating unit Than.

6. overheated steam generating means according to claim 1, it is characterised in that

The vapor generating unit and the overheated steam generating unit are to use to be made up of main transformer and teaser transformer Scott wiring transformer constitute,

The vapor generating unit has the first heating metallic object, is heated to described first by the output of the main transformer Sensing heating or electrified regulation are carried out with metallic object,

The overheated steam generating unit has the second heating metallic object, by the output of the teaser transformer to described second Heating carries out sensing heating or electrified regulation with metallic object,

A side in the two-phase of the input side of the main transformer is provided with the first controller of control voltage or electric current,

A side of the primary coil as input side of the teaser transformer is provided with the second of control voltage or electric current Controller,

By first controller and the second controller, the output voltage of the main transformer is separately controlled With the output voltage of the teaser transformer.

7. overheated steam generating means according to claim 6, it is characterised in that

The overheated steam generating means also include switching mechanism, and the switching mechanism is connected in the first connection status and second Switched between state, first connection status is the midpoint for being connected the midpoint with the primary coil of the main transformer One end side terminal connection of the primary coil of terminal and the teaser transformer and carry out the state of Scott connection, described second connects The state of connecing is to release the Scott wiring and will include the two of the primary coil of the teaser transformer of the second controller The state that side terminal is connected with three-phase alternating-current supply.

8. overheated steam generating means according to claim 7, it is characterised in that

The second controller has Given current controller function.