CN206093993U - Steam generation system - Google Patents

Abstract

The utility model discloses an instant heating type full -automatic steam generation system. Among steam and the water separator 100, through the elasticity of voltage limiting spring 5 or the gravity of steel ball 26, the dead weight of the permanent strong magnetic path 10 that case that pull rod upper end is connected 4, pull rod 9, pull rod lower extreme are connected, and have magnetism is in aqueous met actuation, the separation that steam lost magnetic temperature sensing magnet steel 11 and permanent magnetic path 10 and is changed, controls no. 2 sealing washers 7 on the case 4 jointly, makes no. 2 chambeies and no. 3 chambeies close or open, the separation of interior steam of realization pressure vessel 79 and water. Adiabatic sleeve pipe 85 is put in to electric heater 82's periphery, dwindles heated water's volume, fills heat dissipation metal particles 84 between spiral radiating fin 83, has enlarged hot exchange area, reaches the effect that the instant heating goes out steam. The running water is direct to moisturizing in the pressure vessel 79. Voltage limiting valve 38, relief valve 37, latching valve 40, pressure release window 43 ensure both closed steam and water, release container internal pressure in the time of again can the superpressure. Liquid level switch 52 is the sensor, and electric heater 82 generates heat and cuts off the power supply when the position surfaces, prevents the dry combustion method.

Description

Steam generating system

Technical field

This utility model is related to a kind of Instant heating type full-automatic steam and system occurs.

Background technology

Chinese Patent Application No. 201310459758.7 discloses a kind of steam generating system, and water-level control apparatus are used to control System accommodate intracavity height of water level it is exposed more than water level line with the head for ensureing heating unit assembly, it is to avoid water level is too high and make Into the phenomenon overflowed, can avoid that water level is too low dry combustion method phenomenon occurs again, more than water level line produce the steam row being separated from water Go out.By water lev el control electrode be sensor controlled motor water supply installation, fixed level height, reach the purpose of self-water-supplying, This steam and water and confession wetting system complexity, high cost.Chinese Patent Application No. 200810216381.1 discloses one kind certainly Water supply flash steam generator, including supply tank and the heating cabinet for being configured with electric heating transition components, both composition water channels Connected unit, heating cabinet space are communicated with heating cabinet heating space, are provided with the balance that control water keeps equilibrium water surface in heating cabinet Pipe；Supply tank has the check valve of control water, unidirectional water outlet；There is dividing plate between heating cabinet space and heating cabinet heating space.Unidirectionally Valve control unidirectionally enters heating cabinet from supply tank, keeps horizontal face balance in control heating cabinet.Its supply tank and generation steam Heating cabinet is separated, and is supplied water in heating, is reduced heating space, is shortened the time of steam generation, and this heating cabinet is still to whole The overall heating simultaneously of water in heating cabinet.Chinese Patent Application No. 201510554234.5 discloses a kind of flow type steam generation Device and its implementation, one end Jing carburator penetrate the water inlet pipe in which, and one end Jing carburator bottom is penetrated to the steam in which Discharge pipe, flow distribution plate are symmetrically opened in the vapour-liquid flow orifice of both sides inside plate body, be provided with inside carburator at least two from toward Two neighboring flow distribution plate at the top of the flow distribution plate that lower leaf is stacked, two neighboring flow distribution plate and carburator, flow distribution plate and carburator bottom Space between portion has been fully filled with rustless steel θ ring fillers, realizes that aqueous water is vaporized online in real time, remains without aqueous water, can Temperature required water vapour is obtained at ambient pressure.This vapour point device is the gravity by water, is fallen from top to bottom, by the stainless of filling Steel θ ring fillers are intermediary's vaporization of conducting heat.Heating element heater is annular electric hot plate.This structure is big because of volume, is difficult to reduce Volume, is not preferably used for using on the electrical bar of volume very little, produces the high-temperature vapor high cost of high pressure.

Utility model content

The purpose of this utility model is to provide a kind of small volume, low cost, simple structure, reliable in action it is Instant heating type complete from Dynamic steam generating system.

To reach above-mentioned purpose, this utility model is made up of following six most of devices：(1) steam and water separator；(2) Instant heating type steam generator；(3) automatic water supply device；(4) pressure vessel of prior art and various pressure security protection devices； (5) anti-dry protection device；(6) operating circuit constitutes Instant heating type full-automatic steam generation system of the present utility model, and which is special Levy and be：The steam and water separator are to be magnetic in being included in water, meet the sensing magnet steel that loses magnetism of steam with it is permanent Magnetic piece mutually inhales, from change control, and by pull bar by permanent strong magnetic block.It is connected with valve element, on valve element, No. 2 sealing rings are in valve Move up and down in cylinder, make to close between No. 2 chambers and No. 3 chambers or open, realize that the steam in pressure vessel is separated with water, separate No. 2 chambers output of the steam afterwards by steam output pipe, below the device of each ingredient is described one by one.

First：Steam described in the utility model and water separator include steam output pipe, valve cylinder top head, valve barrel, pressure limiting Spring, valve element, valve barrel lower end screw, pull bar, valve barrel upper end mouth sealing ring, permanent strong magnetic block, sensing magnet steel, upper anti-blocking fixation Sealing on cover, lower fixed cover or " S " type fixed mount, the sealing ring between valve barrel lower end and pressure vessel tegmental wall, valve element outer cone Circle, the pressure limiting spring of valve core reset, or the steel ball of at least more than one, valve element lower end is tapered and the conical surface to be provided with one annular Groove, be provided with groove one it is convex outside the conical surface sealing ring composition, a kind of steam generating system it is characterized in that：By upper anti-blocking fixed cover Limit permanent magnet moves up and down amplitude；The position of sensing magnet steel is fixed together by upper anti-blocking fixed cover and lower fixed cover, and Permanent strong magnetic block is with the temperature-sensing magnetic steel capital on same central shaft.It is provided with valve cylinder top head, No. 1 intracavity between valve element, valve barrel Pressure limiting spring.In valve cylinder top head, No. 1 intracavity between valve element, valve barrel at least provided with a steel ball or the cylinder for sliding up and down Metal derby.By valve cylinder top head screw lid in the suitable for reading of valve barrel, and sealed with No. 1 sealing ring between the two.Valve element top is divided into circle Cylindricality, bottom is divided into taper surface, and an annular groove is provided with the conical surface, and No. 2 sealing rings, the lower end of valve element are provided with which Internal thread being provided with, and being fixedly connected with pull bar upper end, the lower end outlet for valve barrel being stretched out in the lower end of pull bar is coaxial with permanent strong magnetic block Be fixedly connected, male thread is provided with the lower end of valve barrel, and pierces into No. 3 sealing rings on the hole of valve barrel and pressure vessel tegmental wall, and Fastened with nut in the lower section of pressure vessel tegmental wall；At least provided with a gap at silk outside the lower end of valve barrel, in nut and pressure Claw is provided between force container wall, to fixed anti-blocking fixed cover, is connected by one section of inner cone between No. 1 chamber and No. 3 chambers, then with No. 2 chambers are connected in ' T ' font welding.Wherein valve cylinder top head passes through spiral screw thread by mouth sealing ring plugging valve cylinder on valve barrel Mouthful, the lower section on the inside of valve cylinder top head is respectively equipped with pressure limiting spring from top to down, and the outer cone of valve element is passed through outer cone by pressure limiting spring On annular groove in sealing ring press on the inside of the inner cone of sturdy valve barrel, make valve barrel be divided into upper and lower two chambers, now steam and water Separator valve is normally off, and steam steam transmitting pipe inner chamber is connected with the upper and lower chamber of valve barrel, and the inner chamber with valve barrel in 90 ° is in " T " font is connected, and forms threeway and is welded as a whole, the screw screwed connection of pull bar upper end and valve element lower end, under pull bar There is the annular permanent strong magnetic block in hole in the middle of end riveting or screw connection band, and the lower end outlet outer of valve barrel is stretched out in the lower end of pull bar Segment length, this length are the height that can rise when valve element is opened, to ensure the abundant opening of valve element.In the male thread of valve barrel lower end The hole that part is pierced on pressure vessel, is fixed on pressure vessel tegmental wall by sealing ring sealing, and the screw by valve barrel lower end is tight Gu, a stationary jaw is provided between screw and internal pressure vessel walls, anti-blocking fixed cover in fixation；Lower fixed cover is rolled over by claw Crotch, hooks and is fixed on the steam discharge window of anti-blocking fixed cover, the fixation clamp between lower fixed cover and upper anti-blocking fixed cover A firmly sensing magnet steel, sensing magnet steel are using made by nickel-zinc ferrite, when being more than 103 ± 2 DEG C with temperature-sensitive magnet valve steel Lose magnetism, that is, lose magnetism in being in steam, there is magnetic in being in 100 DEG C and following water, can be in therewith The characteristic inhaled by the permanent strong magnetic block of coaxial top, that is, the upper overturning of upper anti-blocking fixed cover presses down inner side and is just stuck in On the claw of anti-blocking fixed cover, lower fixed cover is fixed on anti-blocking fixed cover, is able to fix temperature-sensitive magnet valve.Or with " S " type Sensing magnet steel is fixed in the lower part of support；" S " type frame upper point limits permanent strong magnetic block, moves up and down within the specific limits, To control closing of the valve element in valve barrel and open-minded by pull bar, " S " type pedestal upper end has a hole to be fixed on the lid of pressure vessel On wall.

When 100 DEG C of water or air submergence sensing magnet steel is less than or equal in pressure vessel, sensing magnet steel is because of ＜ 100 DEG C, and be magnetic, held by permanent strong magnetic block, valve element is held downwards by being fixed on the pull bar of permanent strong magnetic block, while In the presence of the expansion force of pressure limiting spring, the inner cone of valve barrel is pressed in the O-ring seal of the protrusion in sealed circular ring groove on valve element Face, make between the cavity of resorption of the epicoele of valve barrel, steam output pipe and valve barrel close separate so that pressure vessel less than 103 DEG C Water and air can not pass through steam and water separator；Conversely, when the steam submergence sensing magnet steel in pressure vessel, heating temperature-sensitive Magnet steel, when making sensing magnet steel temperature reach more than 103 ± 2 DEG C of Curie-point temperature, sensing magnet steel loses magnetism, and becomes non magnetic material Material, now permanent strong magnetic block suction do not live sensing magnet steel.It should be noted that the upper and lower fixed cover or serpentine of fixed sensing magnet steel are solid Fixed rack and its surrounding can adopt aluminum, the accessory of copper or stainless steel material without irony accessory, in order to avoid affect permanent strong magnetic block The sensitivity attracted with sensing magnet steel.In the presence of the steam pressure in pressure vessel, overcome spring expansion force and valve element, The effect of the common gravity of pressure limiting spring, pull bar and permanent strong magnetic block, makes pressure limiting spring-compressed, promotes valve element to move up, beats Port valve cylinder cavity of resorption and epicoele and the passage of steam output pipe inner chamber, and epicoele is obstructed because of the closure of upper lid and sealing ring, therefore, Now steam and water separator are in opening state, and the steam in pressure vessel is discharged in a large number, the steam in pressure vessel When pressure drop is to certain value, and gravity or pressure limiting spring force in steel ball, valve element, pull bar, the gravity work of permanent strong magnetic block The steam and water separator are automatically switched off with.In addition, after closing, and sensing magnet steel is in 103 ± 2 DEG C of environment of ＜, then Again automatically recover magnetic, and with permanent strong magnetic block adhesive, make valve element drop-down, close and locked steam and water separator.So follow Ring is reciprocal, plays a part of automatic separation from the closed pressure vessel for containing steam and water and lets off steam side by side.

This utility model steam and water separator are controlled without water pump, motor and control circuit, can carry out automatically steam and The separation of water, its accessory small volume, simple structure are so fault rate is little, compared with prior art, low cost, more reliable.

Second：This utility model steam generating system, the i.e. hot steam generator, by electric heater, spiral heat dissipation wing Piece, insulation casing composition, it is characterised in that：An aquaporin gap is left in the periphery of electric heater, insulated sleeve is put, its The upper and lower port of export is respectively equipped with gap and a lower gap at least one.Spiral shell is provided between electric heater and insulated sleeve Rotation radiating fin.Heat radiating metal granule is filled between the piece of the spiral heat dissipation fin between insulation casing and electric heater.Its Middle electric heater can be constituted for one or more electrically heated rod, and alternatively global shape is to grow bar-shaped spiral helicine electrical heating Rod, or the electric heating tube of prolate shape, its heater are vertically-arranged in pressure vessel, and lead-out wire mouth end screw and sealing ring are sealed Close and be fixed on the tegmental wall of pressure vessel, can be the resistance heating in its heater on top lid wall, or lower tegmental wall Silk is drawn by two leads, and on a pair of contact binding post of the load side for being electrically connected to catalyst.Protective tube, ac contactor After the coil of device, floating-ball level switch series connection, two ends are respectively connected to～220V power supplys, when water level reach a certain height, ball float liquid Bit switch is connected, and ac contactor coil has electric work, and its normally opened contact adhesive, electric heater switch on power, and have electric work, right Water heating around electric heater.The inner ring of spiral heat dissipation fin is closely surrounded on the shell of electric heating tube, and insulation casing Inwall is closely surrounded on the outer ring of spiral heat dissipation fin again, by spiral heat dissipation wing between the inwall and electric heater of insulation casing Piece separates, the thermal conductive metal particle of filling porous and steam in the middle of which.As the electric heater of vertically-arranged adds to the water around which Heat, this part water be heated after volumetric expansion, or even gasified, and between insulation casing and electric heater, along spiral heat dissipation wing The passage of piece is moved up, and at this moment heater water inlet constantly has cold water to flow through to supplement, and is formed in insulation casing after heating In steam or hot water channel, following cold water is gradually heated, and spiral, temperature gradually rise, and finally reaches 100 DEG C, then on It is changed into steam, superheated steam after rising heating, then goes out steam port discharge from the heater of top, into the top of pressure vessel, gathers Product is in the lower section of pressure container cover, and is cold water below the steam of these accumulations, with constantly carrying out for heating, the body of steam Product is increasing, and pressure is then approximately equal to the dynamic pressure into water, and now steam is defeated from the steam discharge window of steam and water separator Enter, the steam discharge window into steam and water separator is input into, and into steam and water separator, carries out the separation and output of steam. Constantly flow the technical scheme being gradually heated up as a result of light-gauge small size cold water above, so as to reach i.e. hot mesh , the volume of the water that steam is heated in the unit interval is reduced, i.e. hot purpose is reached.

3rd：This utility model steam generating system, the automatic water supply device, it is characterised in that：It is straight by water supply Connect and be connected moisturizing with pressure vessel, by water supply tube valve, screwed connection is compiled to the other end screwed connection B alloy wire of silk to silk The water supply pipe joint of tubulation, the water supply pipe joint screw thread spiral that the other end of pipe is worked out by B alloy wire connect the outer tooth joint of hexagonal One end screw thread, and be provided with a sealing ring between the hexagonal and pressure vessel tegmental wall of the outer tooth joint of the hexagonal below this screw thread, And by the clamp nut fastening of the outer tooth joint on the inside of pressure vessel tegmental wall, sealing.In the other end spiral shell of the outer tooth joint of hexagonal Stricture of vagina connects internal thread reducing joint, then spiral connects the metal tube of a diminution caliber, the tap water pipe line pipeline that thus road connects Cold water source is supplied into pressure vessel, closed due to pressure vessel, the pressure of the cold water source supplied is generally tap water Dynamic pressure, below the operating pressure less than pressure limiting valve, thus is unlikely to make the relief valve of pressure vessel, pressure limiting valve, pressure release The actions such as window, latching valve, steam and water separator；Otherwise dropping valve will be concatenated in supply channel and carry out blood pressure lowering.Heat is steamed at once After vapour occurs system work, when producing certain steam in pressure vessel, when steam pressure is raised, due to steam and cold water source All in same container, so both pressure keeps identical；When steam further increases, steam and water separator are opened, row Steam, but when starting to gather steam in the initial pressure container, a small part cold water will be entered former water supply line by back pressure, and fall Stream, it is consistent with the dynamic pressure of cold water source all the time with the pressure for ensureing steam.Notice that the i.e. water supply pipe valve of control valve of cold water source can not Close, if turned off this valve, then being on the increase due to steam, the build pressure in pressure vessel, and make pressure limiting valve jack-up, Action, and the pressure that discharge exceedes, to reach the pressure for keeping certain in pressure vessel.After the water in pressure vessel is heated It is changed into water vapour, after being given off by steam and water separator, the water in pressure vessel will be gradually decreased, now, tap water Pipeline and pressure vessel supply channel continuously will supply water into pressure vessel, be lost because being changed into steam with supplement Water, reaches the purpose of this utility model automatic water-supply.

4th：Pressure vessel described in this utility model steam generating system, it is characterised in that：Pressure vessel is pressure cooker, And its various pressure security protection devices include various pressure vessels and pressure limiting valve, relief valve, latching valve, only pressure release window, opening lever These are all prior arts, are no longer described, and also have pressure-release assembly steam and the water separator for newly increasing in addition, and their pressure is moved Make the pressure value that setting valve all should be greater than tap water water inlet, as water inlet pipe can flow backwards release of pressure, therefore this utility model is safer Reliable, its operation principle is not repeated.

5th：Anti-dry protection device described in this utility model steam generating system, it is characterised in that：Including liquid-level switch LW and two contacts, when the heating position of electric heater surfaces, liquid-level switch action, two contacts of instruction disconnect, cut-out electricity The power supply of heater.By liquid-level switch lead-out wire, the sealing ring of liquid-level switch, clamp nut, float slides conduit, built-in Magnet Float, the built-in tongue tube of float slides conduit, the liquid-level switch sensing electrical equipment of the composition such as clip for limiting be prior art, its work Make principle not repeat here.Control circuit and execution circuit of the anti-dry protection system also including electric heater.Specifically, work as pressure When water level in force container rises to a certain height, the float of the built-in Magnet of liquid-level switch is in the presence of buoyancy of water along float The conduit upward sliding of slip, when the tongue tube action made in conduit is slided into, tongue tube is turned on by the disconnect, ac contactor Device coil two ends have been switched on power supply, and one group of normally opened contact of A.C. contactor is changed into closure, has connected the power supply of electric heater, electricity Heater works, and the water in jacket is heated, and produces steam；When steam gradually increases, water level decreasing to electric heater is sent out When below the part of heat, the float of liquid-level switch declines with the water surface, when dropping to this height, the Magnet in float to tongue tube away from From increase, and magnetic attraction is lost, now the contact of tongue tube is disconnected in the presence of elasticity, the friendship being in series with tongue tube Stream contactor coil dead electricity, the contact of A.C. contactor gone off by original adhesive, electric heater without electricity, so as to protect The heating part of electric heater can cut off its power supply when being exposed at more than the water surface immediately, and reaching prevents the mesh of electric heater dry combustion method 's.

6th：This utility model steam generating system, it is characterised in that：In the power supply of electric heater distinguish tandem solid state after The output contact of electrical equipment, two contacts of liquid-level switch LW are serially connected in the input of solid-state relay respectively.Or it is characterized in that：Electricity The two ends of heater two normally opened contact CJ respectively with A.C. contactor CJ₁、CJ₂After electrical connection, then～220V power supplys are connect respectively Phase line L and zero line N, in phase line L and CJ₁Between concatenate a protective tube RD, after the protective tube RD of phase line L and zero line N-terminal draws Go out one group of power supply, concatenate coil one end that protective tube rd is followed by A.C. contactor CJ, two contacts of another termination liquid-level switch LW Afterwards, then meet the contact CJ of protective tube RD and A.C. contactor₁Between phase line on.Or it is characterized in that：Electric heater is by three R₁、R₂、R₃Combine, by triangle or star connection, its three contacts a, b, c connect three-phase phase line A, B respectively, the control of C is touched Point CJ₁、CJ₂、CJ₃One end；The other end concatenates the protective tube RD of each phase line respectively；One mini fuse pipe is concatenated by any two phase line Rd, controls the primary coil of transformator T, the normally opened contact ZJ of the coil tandem auxiliary reclay of A.C. contactor CJ₁, then simultaneously It is connected on the primary coil of control transformator T, by two contacts of the coil tandem liquid-level switch LW of intermediate relay ZJ, then connects To on the secondary coil of control transformator T.The electric operation principle, including the line that A.C. contactor is controlled by floating-ball level switch Circle power supply, by the power supply of one group of normally opened contact control electric heater of A.C. contactor, protective tube, A.C. contactor and dry spring Pipe is in series and can be directly accessed～220V power supplies, and one group of normally opened contact of A.C. contactor is serially connected in the exchange of electric heater In power supply.This utility model may also be employed～three-phase four-wire power supply of 380V, 3 electric heaters are using " Δ " shapes or Y-shaped Connection is accessed in power supply, the normally opened contact of the power coil series connection auxiliary reclay of A.C. contactor, then is accessed in power supply phase line. The normally opened contact of auxiliary reclay by auxiliary reclay control, the power coil series connection float liquid level switch of auxiliary reclay it is dry Reed pipe two ends, then access the power supply for matching.I.e. by the water lev el control float liquid level switch in pressure vessel, opened by float liquid level Control auxiliary reclay is closed, A.C. contactor, then the work that electric heater is controlled by A.C. contactor are controlled by auxiliary reclay State.

Six big systems more than coherent, this utility model are opened water supply valve and are supplied water in pressure vessel, plug in liquid Bit switch, relay, A.C. contactor, electric heater are powered, and above division is shown in the work of six partial devices, principle, and steam will be from Steam output pipe is exported.Adjust the size of electric heating tube power, it is possible to obtain friction speed is to the water or steam in heat-insulated pipe Heating speed；If the reheating for flowing further up to steam, it is possible to obtain the steam of higher temperature, therefore adjust electric heating Tube power can obtain the steam of different temperatures；Adjust the dynamic pressure for supplying water, it is possible to obtain the steam of different pressures；But ensure When injecting tap water cold water in pressure vessel, the relief valve of pressure vessel, pressure limiting valve, pressure release window, latching valve, sealing ring, pressure Shell of tank and steam are separated with water is all failure to actuate or in a safe condition；The spring of steam and water separator will be adjusted to suitable Work as position, or the weight of steel ball will be suitably；During ensureing that sensing magnet steel loses magnetism after heating in steam, in pressure vessel Steam-energy is fully discharged；When the cold water submergence added in pressure vessel during sensing magnet steel, sensing magnet steel has magnetic, its Hold the power of permanent strong magnetic, the power and pressure limiting spring of pressure limiting spring, valve element, pull bar, in the presence of the gravity of permanent strong magnetic block Steam and water separator can be made to intercept the maximum pressure of water in pressure vessel, i.e., can keep water here, can fully discharge certain again The steam of pressure.

When supplying water, due to each pressure-relief device not water outlets of pressure vessel；When anhydrous, due to float liquid level device Floating to move down, tongue tube disconnects, thus can not power, and electric heater can not work.

When having a power failure, control circuit, sensor circuit, heater circuit do not work, and in container, water can be closed by each Pressure-relief device is closed.

When steam need to be stopped, can power-off, can also close water supply valve.

If during maloperation, water supply valve is closed valve, circuit still works, and steam is constantly built up, and reaches certain in pressure vessel During pressure, then pressure limiting valve or steam and water separator are automatically opened up, release of pressure.

Obtain from above-mentioned：This utility model adds automatically water, the heating that works automatically, goes out automatically steam, automatic protection, because saving The motor and water pump of the Liquid level of upper water are removed, thus cost is very low；Because employing steam and water separator, make this practicality new Type simple structure, reliable, volume very little, low cost；Because employing insulation casing and spiral heat dissipation fin, or insert gold Metal particles technology, makes heated discharge in the unit interval less, and the automatic thermal expansion by water is flowed up, and cold water is under Side complementary technology, can reach i.e. speed heating, the effect of Rapid steam output；As a result of the pressure vessel of pressure cooker type, can be with Obtain higher pressure steam output, use, check, maintenance, maintenance failure process when and pressure cooker operation instructions it is interior Appearance is identical, so safe and reliable.

Description of the drawings

A kind of form sectional views of the Fig. 1 for the steam and water separator of this utility model steam generating system.

Another kind of form sectional views of the Fig. 1 ' for the steam and water separator of this utility model steam generating system.

Fig. 1-1 is the upper lid sectional view of steam and water separator shown in Fig. 1 or Fig. 1 '.

Fig. 1-2 is the valve element sectional view of steam and water separator shown in Fig. 1 or Fig. 1 '.

Fig. 1-3 is the valve barrel and steam output pipe sectional view of steam and water separator shown in Fig. 1 or Fig. 1 '.

Fig. 1-4 is the clamp nut schematic diagram shown in Fig. 1 or Fig. 1 ' outside the valve barrel lower end of steam and water separator on silk.

Fig. 1-5 is the permanent strong magnetic block sectional view of steam and water separator shown in Fig. 1 or Fig. 1 '.

Fig. 1-6 is the sensing magnet steel sectional view of steam and water separator shown in Fig. 1 or Fig. 1 '.

Fig. 1-7 is the serpentine fixed support sectional view of steam and water separator shown in Fig. 1 or Fig. 1 '.

Instant heating type steam generator structural representations of the Fig. 2 for this utility model steam generating system.

Fig. 2-1 is the electrically heated rod structural representation of Instant heating type steam generator in Fig. 2.

Fig. 2-2 is the spiral heat dissipation fin figure of Instant heating type steam generator in Fig. 2.

Fig. 2-3 is the insulation casing structure top view of Instant heating type steam generator in Fig. 2.

Automatic water supply device structural representations of the Fig. 3 for this utility model steam generating system.

Fig. 3-1 is the outlet pipe schematic diagram of supply channel in Fig. 3.

Fig. 3-2 is the outer tooth joint clamp nut of fastening tapered sleeve, adapter sleeve and hexagonal of supply channel in Fig. 3.

Fig. 3-3 is the clamp nut of supply channel in Fig. 3.

Fig. 3-4 is the outer tooth joint of reducing hexagonal of supply channel in Fig. 3.

Fig. 3-5 is the B alloy wire establishment pipe of supply channel in Fig. 3.

Pressure cooker type pressure vessel and various pressure security protection device knots of the Fig. 4 for this utility model steam generating system Structure schematic diagram.

Liquid level switch structure schematic diagrams of the Fig. 5 for the anti-dry protection device of this utility model steam generating system.

Fig. 6-1 is one of electric fundamental diagram of this utility model steam generating system.

Fig. 6-2 for the electric fundamental diagram of this utility model steam generating system two.

Fig. 6-3 for the electric fundamental diagram of this utility model steam generating system three.

Fig. 7-1 is arranged in pressure cooker covering position installing hole for the various devices of this utility model steam generating system Figure.

Fig. 7-2 is installation top view of this utility model steam generating system on pressure cooker.

Fig. 7-3 is installation upward view of this utility model steam generating system on high-pressure pot cover.

In figure：

1st, steam output pipe；2nd, valve cylinder top head；3rd, valve barrel；4th, valve element；5th, pressure limiting spring；6th, No. 1 sealing ring；7th, No. 2 it is close Seal；8th, No. 3 sealing rings；9th, pull bar；10th, permanent strong magnetic block；11st, sensing magnet steel；12nd, upper anti-blocking fixed cover；13rd, lower fixation Cover；14th, No. 1 chamber；15th, No. 2 chambers；16th, No. 3 chambers；17th, No. 4 chambers；18th, No. 5 chambers；19th, gap；20th, steam discharge window；21st, No. 1 it is convex Platform；22nd, No. 2 boss；23rd, the annular groove of No. 2 sealing rings；24th, outer cone；25th, inner cone；26 steel balls；27th, pressure vessel tegmental wall；28、 The internal thread of upper lid；29th, the outer silk of valve barrel upper end；30th, nut；31st, pressure cooker pot body；32nd, high-pressure cooker cover；33rd, upper handle； 34th, lower handle；35th, auxiliary-handle；36th, No. 4 sealing rings；37th, relief valve；38th, pressure limiting valve；39th, the gland steam exhauster of pressure limiting valve；40th, certainly Locking-valve；41st, only start；42nd, Anti-stop cover；43rd, pressure release window；44th, electrically heated rod；45th, heating rod fixed screw；46th, heating rod is solid Determine nut；47th, No. 5 sealing rings；48th, the resistance wire in heating rod；49th, magnesia powder；50th, heat stick housing；51st, heating rod draws Outlet；52nd, liquid-level switch LW；53rd, liquid-level switch float；54th, liquid-level switch Magnet；55th, liquid-level switch float slides conduit； 56th, liquid-level switch tongue tube；57th, clip for limiting；58th, liquid-level switch lead-out wire；59th, clamp nut on liquid-level switch；60th, liquid level The lower hexagonal fixing nut of switch；61st, sealing ring；62nd, auxiliary reclay base；63rd, auxiliary reclay；64th, catalyst；65th, supply Water tube hose, such as B alloy wire establishment pipe；66th, No. 1 water supply pipe joint；67th, No. 2 water supply pipe joints；68th, the outer tooth joint of reducing hexagonal； 69th, the outer tooth coupling compression joint nut of hexagonal；70th, fasten tapered sleeve；71st, adapter sleeve；72nd, the outer tooth joint lower end screw thread of hexagonal；73rd, compress Nut；75th, the outlet pipe of supply channel；76th, No. 7 sealing rings；77th, No. 8 sealing rings；78th, water supply tube valve；79th, pressure vessel； 80th, steam；81st, water；82nd, electric heater；83rd, spiral heat dissipation fin；84th, heat radiating metal granule；85th, insulation casing；86th, heat Device water inlet；87th, heater goes out steam port；88th, the steam for being formed after heating in jacket or the passage of hot water；89th, steam Passage；90th, add the passage of cold water；91st, the screw thread of valve barrel lower end；92nd, upper gap；93rd, lower gap；94th, catalyst load side Contact；95th, to silk；96th, the upper end screw thread of the outer tooth joint of hexagonal；97th, the internal thread on valve element；98th, the male thread on pull bar；99、 The hole of permanent strong magnetic block；100th, steam and water separator；101st, serpentine fixed support；102nd, the hole on serpentine fixed support； 103rd, the nut of the strong magnetic of fixation；104th, claw；105th, No. 6 sealing rings；200th, i.e., hot steam generator；201st, spiral heat dissipation fin Internal diameter；202nd, spiral heat dissipation fin external diameter；203rd, insulation casing inner chamber；300th, automatic water supply device；400th, existing pressure cooker Various pressure security protection devices；401st, hole；402nd, hole；403rd, hole；405th, hole；500th, anti-dry protection device；600th, electrician Make schematic diagram；1000th, there is system in Instant heating type full-automatic steam of the present utility model；Contacts of the m for floating-ball level switch；N is The contact of floating-ball level switch；T is control transformator；The access point of a, b, c for electric heater；A, B, C are triple line power supply；LW For floating-ball level switch；RD and rd are respectively protective tube；CJ is A.C. contactor；ZJ is auxiliary reclay；SSR is solid-state relay Device；L is phase line；N is zero line；D is zero line；R、R₁、R₂、R₃It is electric heater；R is resistance；VD is diode；VS is two-way IGCT.

Specific embodiment

Steam and water separator of Fig. 1, Fig. 1 ', Fig. 1-1～Fig. 1-7 for this utility model steam generating system.On valve barrel 2 screw lid of lid is sealed by No. 1 sealing ring 6 between the two in the upper end of valve barrel 3；In the inner chamber of valve barrel 3 valve cylinder top head 2 with Steel ball 26 is not set between valve element 4；Or set steel ball 26；Or pressure limiting spring 5 is provided with, the two ends of pressure limiting spring 5 are respectively by No. 1 boss 21st, No. 2 boss 22 are radially fixed；No. 2 sealing rings 7, the internal thread 97 of valve element lower end and pull bar are provided with the annular groove 23 of valve element 4 98 spiral fixed-link of outer silk on 9；In the hole 99 that permanent strong magnetic block is pierced in the lower end of pull bar 9, fixed with hand riveter staking Permanent strong magnetic block 10, or permanent strong magnetic block 10 is fastened with the fixed screw female 103 of 9 lower end of pull bar；3 are pierced in the lower end of valve barrel 3 Number sealing ring 8, in the top in valve barrel 3 and pressure vessel tegmental wall 27 (such as pressure cooker tegmental wall) hole 401, and in pressure vessel tegmental wall 27 Lower section with 30 spiral shell of nut on the outer silk 91 of valve barrel lower end, and fasten, at least provided with one at the screw thread 91 of the lower end of valve barrel 3 Gap 19, in order to avoid passage into No. 3 chambers 16 is blocked when moving on permanent strong magnetic block, nut 30 and pressure vessel tegmental wall 27 it Between be provided with the pawl card 104 of the upper fixed Anti-stop cover being held down, the claw for fixing Anti-stop cover of this claw 104 and existing pressure cooker It is identical, not repeat, lower fixed cover 13 pawl bar folding is hooked and for sensing magnet steel 11 to be fixed on upper anti-blocking fixed cover 12 and lower fixed cover 13 Between, the hook pawl that turns back below of exhaust window 20 is put in by the hook of the lower fixed pawl bar folding covered on 13, anti-blocking fixation is caught on Cover 12.It is No. 1 chamber 14 in the space of valve cylinder top head 2 and valve element 4；It is No. 2 chambers 15 in the inner wall space of steam output pipe 1；In valve Space between the outer silk exit of the lower end of core 4 and valve barrel 3 is No. 3 chambers 16；By one section of inner cone between No. 1 chamber and No. 3 chambers 16 25 are connected, then the welding that is connected with 2 chamber 15 " T " fonts.Pressure limiting spring 5 in No. 1 chamber 14, pull bar 9 in No. 3 chambers 16, pull bar 9 Lower end stretch out 3 lower end of valve barrel screw thread 91 export beyond, in upper anti-blocking fixed cover 12, and through the hole of permanent strong magnetic block 99 riveting permanent strong magnetic blocks 10；Or permanent strong magnetic block 10 is fixed with nut 103.

Have internal thread 28 on 2 tegmental wall of valve cylinder top head, the outer silk 29 phase luer engages with suitable for reading with valve barrel, have on the inside of lid No. 1 it is convex 21, No. 1 boss 21 of platform also can be not provided with an attached lid is set on the inside of the lid of No. 1 boss with lid one, and attached lid is inversion straw hat Shape, it is made up of the brim of a hat and crown one.

The taper of the outer cone 24 of the inner cone 25 and valve element 4 of valve barrel 3 is 0～90 °, and the conical surface 24 is provided with the annular groove for falling in 23, after the section of annular groove 23 can be filled into the section of No. 2 sealing rings 7, a part of section is exposed at the outside of outer cone 24.

The discharge route of steam is：The top of 79 inner chamber of pressure vessel is entered from 200 upper end of Instant heating type steam generator, is soaked Do not have sensing magnet steel 11, make sensing magnet steel 11 lose the magnetic attracted by permanent strong magnetic block 10, permanent strong magnetic block 10 be connected to Pull bar 9 together, valve element 4 make the compression pressure limiting spring of valve element 4 move upwards in the presence of 80 pressure of steam in pressure vessel 79 It is dynamic, No. 2 sealing rings 7 on valve element 4 are opened, makes steam 80 exhaust window 20 be entered by the top of pressure vessel inner chamber, into upper In anti-blocking fixed cover 12, gap 19 is entered back into, into No. 3 chambers 16, as No. 2 sealing rings 7 are opened, and 14 upper end of No. 1 chamber is envelope Close, so steam 80 is entered in No. 2 chambers 15 of steam output pipe 1, outwards export steam 80.When exporting, steam is after 80s, or stops After electricity, when the steam in pressure vessel 79 is little, after cold water submergence sensing magnet steel 11, drop to the temperature of sensing magnet steel 11 When less than 100 DEG C, sensing magnet steel 11 recovers magnetic again, inhales lower permanent strong magnetic block 10, is left behind valve element 4 by pull bar 9, and passes through 2 The passage of number 7 steam off of sealing ring and water separator 100, is made cold water not discharged by steam output pipe 1, thus is kept here Water.

The architectural feature of Fig. 1-5 permanent strong magnetics block 10 is：Permanent strong magnetic block 10 is cylinder, and there is a step centre Circular hole, so as to the riveting of rivet, the head point of rivet just falls in big hole.In the vicinity of permanent strong magnetic block 10, sense Outside warm magnet steel 11, existed by the interfering material of magnetic without other ironys.

Pull bar 9 is essentially one end riveting of a rivet or lead screw, die or screw terminal or fixed permanent strong magnetic block 10 Step small sircle hole 99, manufactured head or screw terminal fall in big hole, rivets or with 103 fixing rivet of nut or screw Bar, 9 other end of pull bar are provided with pull bar male thread 98, can be threaded in the internal thread 97 on valve element, and length adjustable.

In Fig. 1 and Fig. 1 ', replace the downward pressure of pressure limiting spring with the weight of steel ball 26, limited with " S " type fixed support 101 Determine the scope that moves up and down of permanent strong magnetic block 10, and the position of sensing magnet steel 11.Hole 102 on " S " type fixed support is fixed on Between pressure vessel tegmental wall 27 and nut 30, i.e., between sensing magnet steel 11 is clipped in serpentine fixed support bottom point, permanent strong magnetic 10 downward elongation of block is limited by part on serpentine fixed support.

Fig. 2 and Fig. 2-1～Fig. 2-3 be Instant heating type steam generator structural representation of the present utility model, vertically-arranged in figure The contact CJ controlled by one end electrical connection inline solid state relay SSR or A.C. contactor CJ of heating rod lead-out wire 51₁、CJ₂Or CJ₃Power supply, the other end electrical connection electric heater 82 such as resistance wire 48 of heating rod 44 of lead-out wire, resistance wire 48 are placed in heating In stick housing 50, and filled with magnesia powder 49, tamped.In lead-out wire one end weld heating rod fixed screw of heater 82 45, buckle down, and with heating rod fixing nut 46 and No. 5 sealing fastenings of sealing ring 47, is fixed on pressure cooker tegmental wall Hole 402 on.In the internal diameter 201 that spiral heat dissipation fin 83 is closely surrounded around heating stick housing 50, then by spiral heat dissipation wing The external diameter 202 of piece pierces into the inner chamber 203 of insulation casing 85, and the upper and lower exit of insulation casing 85 is at least respectively equipped with one and slits Mouth 92,93；Fill between the piece of insulation casing 85 and the spiral heat dissipation fin 83 of heating stick housing 50 or do not fill radiating Metallic particles 84, forms steam or the hot water channel 88 in heat-insulated pipe 85 therebetween in gap, lower gap 93 is heater water inlet 86；Vaporization is heated around electric heater 82 and produces leading to for steam 80, the hot water formed after heating in insulation casing 85 and steam Road is 88, finally goes out steam port 87 by heater and exports steam 80.

Structural representations of Fig. 3 and Fig. 3-1～Fig. 3-5 for this utility model steam generating system automatic water supply device.For 78 screwed connection of aqueduct valve may be selected B alloy wire to silk 95 to the water supply hose 65 in the other end screwed connection figure of silk 95 One end of establishment pipe, the upper end screw thread 96 of the outer tooth joint of other end screwed connection hexagonal of water supply hose 65, outside reducing hexagonal No. 7 sealing rings 76 are pierced on screw thread above the hexagonal of tooth joint 68, lower end is penetrated in the hole 403 on high-pressure cooker cover 32 again, Sealed with No. 6 sealing rings 105 again, clamp nut 73 is fixed on high-pressure pot cover 32, the lower end of the screw thread of the outer tooth joint of hexagonal is again With the outer tooth coupling compression joint nut 69 of hexagonal and fastening tapered sleeve 70, the outlet pipe 75 of 71 spiral of adapter sleeve connection supply channel.Originally Water is supplied water by water supply tube valve 78, by silk 95, water supply hose 65, the outer tooth joint 68 of reducing hexagonal, finally from water inlet pipe The outlet pipe 75 on road is exported, and is supplied water into high-pressure cooker container 79；Or micro time cold water when producing steam.

Fig. 4 is this utility model steam generating system, the high-pressure bottle of pressure cooker type and various pressure security protection devices Structural representation, is prior art, and its structure and operation principle are not repeated here.

Liquid level switch structure schematic diagrams of the Fig. 5 for the anti-dry protection device of this utility model steam generating system.Liquid level The contact m and contact n of switch lead-out wire 58, the two ends of other end concatenation liquid-level switch tongue tube 56, tongue tube 56 are placed in liquid level In switch float slides conduit 55,53 built-in liquid-level switch Magnet 54 of liquid-level switch float, float 53 can be with pressure vessel Water level height in 79 and it is upper and lower floats along sliding catheter 55, the upper end of liquid-level switch float slides conduit 55 and liquid-level switch Lower hexagonal fixing nut 60 is welded；The screw thread that the top of fixing nut 60 is exposed passes through liquid-level switch sealing ring 61 and pressure cooker Hole 405 on lid 32, and clamp nut 59 is fastened, is sealed on the top liquid-level switch of pot cover 32.In float slides conduit 55 Bottom it is spacing with clip for limiting 57.When the heating position of electric heater 82 surfaces, liquid-level switch 52 disconnects, and instigates figure 6-1,6-2 or 6-3 control circuit action, makes 82 power-off of electric heater, with anti-dry.Notice that tongue tube 56 must be away from permanent Magnetic block 10, the misoperation against magnetic interference.

Fig. 6-1 is one of electric fundamental diagram of this utility model steam generating system, in figure：SSR be it is a kind of all by The contactless switch element of solid state electrical components composition, by photoelectrical coupler input circuit, amplification driving circuit and output circuit Three parts constitute, and are prior art.Wherein alternating current zero crossing type solid-state relay employs zero cross fired technology, opens during voltage zero-cross Open, the characteristic turned off during load current, a complete sinusoidal wave form, therefore the radio frequency of circuit can be obtained in load Interference very little, its principle are not repeated.In figure～phase line of 220V power supplys connect electrically heated rod 44 R one end lead, another termination The outfan of solid-state relay SSR；The zero line of another output termination～220V power supplys of solid-state relay SSR；Liquid-level switch The two ends of LW52 tongue tubes 56 connect the input of solid-state relay SSR respectively.Liquid-level switch LW52 small current break-makes, can control solid The high current break-make of state relay SSR, so as to control the working condition of the R of electrically heated rod 44.

Solid-state relay HS series SSR, also can be directly used for the control of the electric heater 82 of three-phase four-wire system, and these are all Prior art, is not repeated here.

Fig. 6-2 for the electric fundamental diagram of this utility model steam generating system two, in figure：A, b two of electrically heated rod R End concatenates two contact CJ of A.C. contactor respectively₁、CJ₂Afterwards, then respectively～phase line L of 220V power supplys and zero line N are met, in phase Line L and CJ₁Between concatenate a protective tube RD, after the protective tube RD of phase line L, and zero line N-terminal draw one group～220V power supplys, this The zero line N of power supply connects rd protective tubes, coil one end of another termination A.C. contactor CJ of rd protective tubes, the other end of CJ coils Meet the contact m of floating-ball level switch LW52；The contact n of floating-ball level switch LW52 meets protective tube RD and CJ₁Between phase line on. Its operation principle is, when the water in pressure vessel 79 reach a certain height, the liquid-level switch float of floating-ball level switch LW52 53 float, and the magnetic field gravitation of Magnet therein 54 makes tongue tube 56 be changed into normally closed from normally opened.That is the contact m of liquid-level switch LW52 with Contact n is turned on, and the coil of A.C. contactor CJ has electric work, one group of normal opened contact CJ of A.C. contactor CJ₁、CJ₂Closure connects Logical, electrically heated rod 44 has electricity, begins to warm up；Conversely, tongue tube 56 disconnects, heating rod 44 stops heating.

Fig. 6-3 is the three of this utility model steam generating system electricity fundamental diagram, in figure：Electric heater 82 is electric by 3 R1, R2, R3 of heating rod 44 is combined, and the contact that wherein R1 is connected with R3 is a；R₁And R₂Connected contact is b；R₂And R₃ Connected contact is C.A, b, c meet the control contact CJ of triple line A, B, C respectively₁、CJ₂、CJ₃Load side, the other end gone here and there respectively Meet the protective tube RD of each phase；Powered to the primary coil of control transformator T from any two phase line through rd mini fuses pipe, exchange connects The normally opened contact ZJ of the coil tandem auxiliary reclay of tentaculum CJ₁, then it is parallel on the primary coil of control transformator T, by The contact m and contact n of the coil tandem liquid-level switch LW52 tongue tubes 56 of intermediate relay ZJ, then it is connected to control transformator T's On secondary coil.Its operation principle is that water level reach a certain height in pressure vessel 79, liquid-level switch LW52 actions, contact m with Contact n is turned on, intermediate relay ZJ action, ZJ₁Adhesive, A.C. contactor CJ actions, CJ₁、CJ₂、CJ₃All simultaneously adhesives, a, b, Tri- contacts of c have three-phase electricity, the R of the electric heater 82 of the composition of electrically heated rod 44 of three～380V₁、R₂、R₃Heating power；Otherwise Water level decreasing to certain altitude, then R₁、R₂、R₃Power-off does not work.

Hole 401, hole 402,403 holes, 405 holes in Fig. 7-1, Fig. 7-2 and Fig. 7-3 can be with transposition, as long as ensureing to steam Vapour and water separator 100；Electric heater 82；55 right angle setting of outlet pipe 75 and liquid-level switch float slides conduit of supply channel On the up or down tegmental wall of pressure vessel.

This utility model proves that through prototype experiment above technical scheme is reliable, practical, but further will shorten originally to go out The time of steam, on the one hand the position of sensing magnet steel 11 can be improved as far as possible upwards, on the other hand reduce insulation casing 85 as far as possible Internal diameter, to reduce heated cold water into the volume of steam, so as to improve the effect that can just go out steam in the shorter time.

This utility model is not limited to above-mentioned technical proposal, the technical side that all employing equivalents or equivalent transformation are formed Case, all fall within this utility model it is claimed within the scope of.

Claims (16)

1. a kind of steam generating system, including steam and water separator, steam generator, automatic water supply device, pressure vessel and Its pressure security protection device, anti-dry burning device, operating circuit composition, it is characterised in that：The steam and water separator include By having magnetic in water, meet the sensing magnet steel (11) that loses magnetism of steam mutually inhale with permanent strong magnetic block (10), from change Change control, and permanent strong magnetic block (10) is connected with valve element (4) by pull bar (9), No. 2 sealing rings (7) on valve element (4) are in valve Move up and down in cylinder (3), make to close between No. 2 chambers (15) and No. 3 chambers (16) or open, realize the steaming in pressure vessel (79) Vapour (80) is separated with water (81), No. 2 chamber (15) outputs of the steam after separation by steam output pipe (1).

2. a kind of steam generating system according to claim 1, it is characterised in that：Permanent magnetic is limited by upper anti-blocking fixed cover Block (10) moves up and down amplitude；The position of sensing magnet steel (11) is fixed together by upper anti-blocking fixed cover (12) and lower fixed cover (13) Put, and permanent strong magnetic block (10) and sensing magnet steel (11) are all on same central shaft.

3. a kind of steam generating system according to claim 1, it is characterised in that：By part on " S " type fixed mount (101) The scope that moves up and down of permanent strong magnetic block (10) is limited, the position of sensing magnet steel (11) is fixed in lower part, and fixed by hole (102) To on pressure vessel tegmental wall (27).

4. a kind of steam generating system according to claim 1, it is characterised in that：In valve cylinder top head (2), valve element (4), valve No. 1 intracavity between cylinder (3) is provided with pressure limiting spring (5).

5. a kind of steam generating system according to claim 1, it is characterised in that：In valve cylinder top head (2), valve element (4), valve No. 1 intracavity between cylinder (3) is at least provided with a steel ball (26).

6. a kind of steam generating system according to claim 1, it is characterised in that：By valve cylinder top head (2) screw lid in valve Cylinder (3) it is suitable for reading, and sealed with No. 1 sealing ring (6) between the two.

7. a kind of steam generating system according to claim 1, it is characterised in that：Valve element (4) top is divided into cylinder, Bottom is divided into taper surface, and an annular groove (23) is provided with the conical surface, and No. 2 sealing rings (7), valve element (4) are provided with which Lower end be provided with internal thread (97), and be fixedly connected with pull bar (9) upper end, stretch out in the lower end of pull bar (9) and bring out under valve barrel (3) Mouth is fixedly and coaxially connected with permanent strong magnetic block (10), is provided with screw thread (91) in the lower end of valve barrel (3), and is pierced into No. 3 sealing rings (8), on the hole (401) of valve barrel (3) and pressure vessel tegmental wall (27), and nut is used below pressure vessel tegmental wall (27) (30) fasten；Screw thread (91) place of the lower end of valve barrel (3) at least provided with a gap (19), in nut (30) and pressure container cover Claw (104) is provided between wall (27), to fixed anti-blocking fixed cover (12), by one between No. 1 chamber (14) and No. 3 chambers (16) Section inner cone (25) is connected, then is connected in " T " font welding with No. 2 chambers (15).

8. a kind of steam generating system according to claim 1, it is characterised in that：Steam generator is by electric heater group Into, an aquaporin gap is left in the periphery of electric heater (82), put insulation casing (85), thereon, lower outlet end set respectively There are gap at least one (92), an and lower gap (93).

9. a kind of steam generating system according to claim 8, it is characterised in that：Steam generator is by electric heater group Into spiral heat dissipation fin (83) is provided between electric heater (82) and insulation casing (85).

10. a kind of steam generating system according to claim 9, it is characterised in that：Steam generator is by electric heater group Into filling heat radiating metal granule between the piece of the spiral heat dissipation fin (83) between insulation casing (85) and electric heater (82) (84)。

A kind of 11. steam generating systems according to claim 1, it is characterised in that：Automatic water supply device, by water supply Directly be connected moisturizing with pressure vessel (79), tap water water inlet pressure less than pressure vessel (79) pressure limiting valve (38), Relief valve (37), latching valve (40), the pressure-operated setting valve of pressure release window (43) and steam and water separator (100).

A kind of 12. steam generating systems according to claim 1, it is characterised in that：Pressure vessel (79) is pressure cooker, peace Full protection device includes pressure limiting valve (38), relief valve (37), latching valve (40), only pressure release window (43), opening lever (41).

A kind of 13. steam generating systems according to claim 1, it is characterised in that：Anti-dry burning device, including liquid-level switch LW (52) and its contact (m) and contact (n), when the heating position of electric heater (82) surfaces, liquid-level switch LW (52) Action, instruction contact (m) are disconnected with contact (n), cut off the power supply of electric heater (82).

A kind of 14. steam generating systems according to claim 1, it is characterised in that：Divide in the power supply of electric heater (82) The output contact of other tandem solid state relay (SSR), two contacts of liquid-level switch LW (52) are serially connected in solid-state relay respectively (SSR) input.

A kind of 15. steam generating systems according to claim 1, it is characterised in that：(a), (b) two of electric heater (82) End two normally opened contact CJ respectively with A.C. contactor CJ₁、CJ₂After electrical connection, then connect respectively～phase line L of 220V power supplys and Zero line N, in phase line L and CJ₁Between concatenate a protective tube RD, after the protective tube RD of phase line L and zero line N-terminal draw one group it is electric Source, concatenates protective tube rd and is followed by coil one end of A.C. contactor CJ, the contact (m) of another termination liquid-level switch LW (52) with connect After point (n), then the contact CJ for meeting protective tube RD and A.C. contactor₁Between phase line on.

A kind of 16. steam generating systems according to claim 1, it is characterised in that：Electric heater (82) is by 3 R₁、R₂、 R₃Combine, by triangle or star connection, its three contacts a, b, c meet the control contact CJ of three-phase phase line A, B, C respectively₁、 CJ₂、CJ₃One end；The other end concatenates the protective tube RD of each phase line respectively；One mini fuse pipe rd, control are concatenated by any two phase line The primary coil of transformator T, the normally opened contact ZJ of the coil tandem auxiliary reclay of A.C. contactor CJ₁, then and it is connected to control On the primary coil of transformator T processed, by the contact (m) and contact of coil tandem liquid-level switch LW (52) of intermediate relay ZJ (n), then be connected on the secondary coil of control transformator T.