CN209355213U - Flash steam and residual neat recovering system in electromagnetic heating type steam generator - Google Patents

Abstract

Flash steam and residual neat recovering system in electromagnetic heating type steam generator, the flash steam and residual neat recovering system are set in steam generator main body, the flash steam and residual neat recovering system include gas-liquid separator, the import of the gas-liquid separator is connected with the pipeline of transporting low temperature steam, the water out of the gas-liquid separator is connected by pipeline with water tank, and the steam (vapor) outlet of gas-liquid separator is connected by pipeline with the water inlet pipe on electromagnetism heater；The flash steam and residual neat recovering system further include the coolant liquid holding vessel for cooling down gas-liquid separator.Compared with prior art, the utility model has the following beneficial effects: providing the flash steam and residual neat recovering system in a kind of electromagnetic heating type steam generator, Low Temperature Steam can be recycled and is utilized, it is energy saving, it is energy-efficient, it is easy to use.

Description

Flash steam and residual neat recovering system in electromagnetic heating type steam generator

Technical field

The utility model belongs to steam-heating apparatus technical field, and in particular in a kind of electromagnetic heating type steam generator Flash steam and residual neat recovering system.

Background technique

Steam generator, commonly used equipment such as boiler are that water is heated as hot water using the thermal energy of fuel or other energy Or the mechanical equipment of steam.Steam generator used in industrial plant is most of or based on boiler at present, by coal or Combustion of natural gas generates heat aquatic products unboiled water steam, and this mode needs dedicated boiler room, takes up a large area, fires simultaneously Material burning can generate a large amount of harmful pollution gas.

Specific in existing industrial circle, in paper industry, large scale equipment needs a large amount of steam heating, it is necessary to add and adopt It is needed professional's operation and maintenance since boiler is belonged to special equipment with the steam boiler of combustion medium and needed far from raw Producing region domain, it is therefore desirable to it is laid with longer conveyance conduit, it is at high cost, while long-distance transmission pipeline brings transport loss larger, Further, since using combustion medium (usually coal-fired or natural gas), there are air pollutions and PM2.5 emission problem.It is relatively large Boiler must also increase the environmental protecting devices such as dedusting and flue gas desulfurization, and need frequent maintenance to guarantee the validity of equipment, Maintenance higher cost.And the working characteristics of boiler determines that it is slow to the steam demand response reaction of equipment, Wu Fayu Apparatus control system line.

And for some small-sized industrial equipments, need Quick steam to heat (such as wet sterilization), it is this kind of to mostly use electricity Heating method, but since the heating speeds such as resistance wire, infrared tube are slow, preheating time is long, it is unfavorable for small lot service intermittent, deposits The disadvantages of at high cost, power consumption is big, control difficulty is high, aging speed is fast.

In view of the presence of some of the above problem, the utility model has carried out further steam generating equipment in the prior art Research, specifically in electromagnetic heating type steam generator flash steam and residual neat recovering system studied.

Utility model content

For the above deficiency in the prior art, the utility model is provided in a kind of electromagnetic heating type steam generator Flash steam and residual neat recovering system, saving heat energy is energy-efficient, easy to use.

In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals.

Flash steam and residual neat recovering system in electromagnetic heating type steam generator, the flash steam and residual neat recovering system are set In steam generator main body, the flash steam and residual neat recovering system include gas-liquid separator, the gas-liquid separator into Mouth is connected with the pipeline of transporting low temperature steam, and the water out of the gas-liquid separator is connected by pipeline with water tank, gas-liquid point Steam (vapor) outlet from device is connected by pipeline with the water inlet pipe on electromagnetism heater；The flash steam and residual neat recovering system are also Including the coolant liquid holding vessel for cooling down gas-liquid separator.

Flash steam and residual neat recovering system in the utility model are used to recycle the vapor of the low temperature returned after acting, reach The purpose recycled to thermal energy and water source.After recycling, condensed water is flowed into water tank, since this phase condensation water is that have Certain temperature, it can achieve the purpose that preheating water inlet.Flashed vapour is to be mixed with the water entered in electromagnetism heater simultaneously The water of flash steam improves heat exchanger effectiveness.

Preferably, flash steam temperature sensor is provided on the pipeline of the inlet end of the gas-liquid separator, for examining The state for the flash steam that survey time receives.

Preferably, the lower part cooperation of the coolant liquid holding vessel is equipped with the cooling water pump of pipeline connection, the cooling water pump For coolant liquid to be transported to the cooling position of gas-liquid separator.

Preferably, the flash steam pipeline of the steam (vapor) outlet of the gas-liquid separator is equipped with flashed vapour booster pump, pressurization Flash steam is transported in the water inlet pipe on electromagnetism heater by pump.

Compared with prior art, the utility model has the following beneficial effects: providing a kind of electromagnetic heating type steam hair Flash steam and residual neat recovering system in raw device, can be recycled and be utilized to Low Temperature Steam, energy saving, energy-efficient, It is easy to use.

Detailed description of the invention

Fig. 1 is the schematic diagram one of the electromagnetic heating type steam generator in the utility model.

Fig. 2 is the schematic diagram two of the electromagnetic heating type steam generator in the utility model.

Fig. 3 is the schematic diagram of internal structure one of the electromagnetic heating type steam generator in the utility model.

Fig. 4 is the schematic diagram of internal structure two of the electromagnetic heating type steam generator in the utility model.

Fig. 5 is the schematic diagram of internal structure three of the electromagnetic heating type steam generator in the utility model.

Fig. 6 is the schematic diagram of internal structure four of the electromagnetic heating type steam generator in the utility model.

Fig. 7 is the schematic diagram for omitting the 9 Cr 2 steel using electromagnetic heating transition components of insulation body.

Fig. 8 is the section view status diagram of 9 Cr 2 steel using electromagnetic heating transition components.

Fig. 9 is the working state schematic representation of 9 Cr 2 steel using electromagnetic heating transition components.

Figure 10 is the perspective view one of electromagnetism heater.

Figure 11 is the perspective view two of electromagnetism heater.

Figure 12 is the schematic diagram for going out steam end of electromagnetism heater.

Figure 13 is the schematic diagram of the water inlet end of electromagnetism heater.

Figure 14 is electromagnetic heating principle figure.

Specific embodiment

The utility model is described in further detail with specific embodiment with reference to the accompanying drawing.

Referring to figs. 1 to Figure 13, electromagnetic heating type steam generator involved in the utility model, including steam generator master Body 01, the control cabinet 03 in the steam generator main body 01, control cabinet 03 are equipped with control panel 02, set in control cabinet 03 There is circuit controling assembly；In the steam generator main body 01 be equipped with 9 Cr 2 steel using electromagnetic heating transition components 6, power supply module 17, cooling component, Flash steam and residual neat recovering system, water tank 3, pipeline and related sensor for connection；Specific structure therein is as follows.

9 Cr 2 steel using electromagnetic heating transition components 6, the 9 Cr 2 steel using electromagnetic heating transition components 6 include insulation body 114, are set to the insulation body The periphery of columnar electromagnetism heater 111 in 114, the electromagnetism heater 111 is equipped with induction loop pipe 113, institute The thermal insulation material graphite composite fibre filled in insulation body 114 is stated, electromagnetism heater 111 is placed in one；9 Cr 2 steel using electromagnetic heating hair Outer layer heating flow channel 104, middle layer heating flow channel 106, core heating flow channel 108 are equipped in raw device 111, each runner uses a variety of remittances Stream cavity connects to form connection, and one end of the electromagnetism heater 111 is water inlet end, and water is flowed into from outer layer heating flow channel 104, The other end is steam end, and steam is discharged from core heating flow channel 108；The water inlet end is equipped with connection middle layer heating flow channel 106 With the pressurization confluence chamber 116 of core heating flow channel 108, the water outlet is equipped with connection outer layer heating flow channel 104 and middle layer heating The primary confluence chamber 105 of runner 106；The water inlet end of electromagnetism heater 111 is connected by pipeline and water pump with water tank 3, electricity The water outlet of magnetocaloric generator 111 is connected with the pipeline of conveying steam.Electromagnetism heater 111 in the utility model is by high-carbon Steel is made, at the same on runner inner wall surface be equipped with titania coating, the titania coating be non-hydrophilic material, high temperature resistant, With good cavitation-preventive, antirust, scale-deposit-preventing ability, product service life is improved.

The power supply module 17 is intermediate frequency power supply, is electrically connected with induction loop pipe 113, for exporting electric current；It is described cold But component is set to the top of power supply module 17.The cooling component is the shell for including cooperation assembling, coolant liquid holding vessel 15, dissipates Hot-air fan 12, cooling fluid pump 18, heat exchanger, coolant liquid observation window of liquid level 16, it is main to be recycled by coolant liquid for cooling down Power supply module and assistance gas-liquid separator 20 are cooling.

Flash steam and residual neat recovering system, the flash steam and residual neat recovering system include gas-liquid separator 20, the gas The pipeline of the Low Temperature Steam returned after the import of liquid/gas separator 20 and acting is connected, the gas-liquid separator 20 export in have it is automatic Drainage arrangement is connected by pipeline with water tank 3, and gas-liquid separator 20 passes through flash steam booster pump for isolated flash steam 19 are connected with the flash steam pipeline 109 on electromagnetism heater 111；It is described cold for the running of stablizing for maintaining gas-liquid separator 20 But component can be used to cool down simultaneously gas-liquid separator 20, speed up gas and liquid separation in extreme circumstances.

In addition, electromagnetism heater 111 is cylindrical-shaped structure, electromagnetism sense in the 9 Cr 2 steel using electromagnetic heating transition components 6 of present embodiment 113 spiral winding of pipe should be enclosed to be distributed in the outer circumferential walls of electromagnetism heater 111, the induction coil pipe of induction loop pipe 113 It is electrically connected by electrical interface 112 with power supply module 17；The outer layer heating flow channel 104, middle layer heating flow channel 106, core heating stream Road 108 has structure up and down, and has in outer layer heating flow channel 104, middle layer heating flow channel 106, core heating flow channel 108 There is the concaveconvex structure for increasing heat exchange area, can be wavy shaped configuration, convex groove structure etc..In present embodiment, The outer layer heating flow channel 104, middle layer heating flow channel 106, core heating flow channel 108 section have flakes profile.

In 9 Cr 2 steel using electromagnetic heating transition components 6, the outer layer heating flow channel 104 is identical with the sectional area of middle layer heating flow channel 106, outside The quantity of layer heating flow channel 104 is 12, and the quantity of middle layer heating flow channel 106 is six, the core heating flow channel 108 Sectional area is three times of the sectional area of middle layer heating flow channel 106, and the quantity of middle layer heating flow channel 106 is core heating flow channel Six times of 108 quantity, i.e. core heating flow channel 108 are one.104 annular of outer layer heating flow channel is evenly distributed on 9 Cr 2 steel using electromagnetic heating 111 outer layer of generator, 106 annular of middle layer heating flow channel are evenly distributed on 111 middle layer of electromagnetism heater, and the core adds Hot flow path 108 is set at the axle center of electromagnetism heater 111.

In addition, the water inlet end of electromagnetism heater 111 is equipped with for outer layer heating flow channel 104 and middle layer heating stream to be isolated The water inlet partition 156 in road 106, the region of 156 centre of water inlet partition are pressurization confluence chamber 116；The water inlet partition 156 and electricity Intake antrum 115 is formed between magnetocaloric generator outer wall convex edge, outer layer heating flow channel 104 is communicated with intake antrum 115.9 Cr 2 steel using electromagnetic heating occurs The steam end that goes out of device 111 is equipped with several primary confluence chambers 105, and each primary confluence chamber 105 adds two adjacent outer layers Hot flow path 104 and a middle layer heating flow channel 106 communicate.

In present embodiment, the water tank 3 by the water supply pump 4 of cooperation and pipeline and electromagnetism heater 111 into Water cavity 115 is connected.The cooling component is the shell 14 for including cooperation assembling, radiator fan 12, cooling fins.The water tank 3 and pipeline be equipped with sensor, which is selected from: liquid level sensor, flow sensor, pressure sensor, temperature sensor； It is additionally provided with regulating mechanism on the pipeline, which is selected from: flow regulator, pressure regulator.

Specifically, in the utility model: water-in flange interface 1 is equipped in the side of water tank 3, for connecting water inlet pipe Road, the side of water tank 3 are additionally provided with fluid level controller 2, prevent water level overfill in water tank 3；The water outlet of water tank 3 cooperates Equipped with water supply pump 4 and pipeline, which is equipped with pressure sensor and flow sensor 5 for measuring service position；In electricity Going out on jet chimney for magnetic hot-cast socket component 6, is provided with steam pressure sensor and steam flow sensor 7, is additionally provided with steam Pressure regulator (being set on flange part 8), air outlet temperature sensor 9, for detecting and adjusting the state of output steam.In gas-liquid Flash steam temperature sensor 10 is provided on the pipeline of the inlet end of separator 20, which is set to flash distillation On gas inlet flange connector 11, the state of the flash steam for detecting recycling.

Coolant injection mouth 13 is equipped in the upper end of coolant liquid holding vessel 15.In the lower part of coolant liquid holding vessel 15, cooperation is set The cooling water pump 18 for having pipeline to connect, it is gentle which is used to coolant liquid being transported to the heater element in intermediate frequency power supply Liquid/gas separator 20 cools down position, is then delivered to cooling component, and heat is taken away in the blowing of radiator fan 12 in cooling component, with Coolant liquid returns in coolant liquid holding vessel 15 afterwards.

Flashed vapour booster pump 19 is equipped on the flash steam pipeline 109 of the steam (vapor) outlet of gas-liquid separator 20, booster pump will Flash steam is transported in the water inlet pipe on electromagnetism heater 111.Check valve is equipped on the water inlet pipe of electromagnetism heater 111 102, the lower end 101 of the check valve 102 connects water inlet line, and the junction of water inlet pipe and 9 Cr 2 steel using electromagnetic heating transition components 6 is equipped with shunting Device 103, by water stream into outer layer heating flow channel 104；The top of electromagnetism heater 111 is equipped with steam (vapor) outlet flange part 110, for assembling jet chimney etc..

The following are the elaborations of the working condition to this equipment.

Complete machine referring to Fig. 1 and Fig. 2,1 tonne of steam generator device involved in present embodiment, mainly by steam generation Device main body 01, the control cabinet 03 in the steam generator main body 01, the touch control panel on control cabinet 03 02 is constituted.

01 internal structure of steam generator main body is transported to water tank through water-in flange interface 1 referring to Fig. 3 ~ Fig. 6, clean water 3, the intermediate frequency power supply starting after water level reaches the requirement of fluid level controller 2, in water supply pump 4 and power supply module 17.Pressure sensor and The detection of flow sensor 5, which pumps, reaches sets requirement, and 9 Cr 2 steel using electromagnetic heating transition components 6 start, and flow through the heated formation steam of water.Wait steam When vapour pressure force snesor and the detection steam of steam flow sensor 7 reach setting condition, steam pressure regulator 8 is acted, steam Output.

The flashed vapour that gas equipment returns is returned through flashed vapour inlet flange connector 11, and flash steam temperature sensor 10 is real When monitoring return flashed vapour temperature change.The flashed vapour of return is separated into Low Temperature Steam and condensation through gas-liquid separator 20 Water.Condensed water returns in water tank 3 through automatic water trap, and Low Temperature Steam is input to 9 Cr 2 steel using electromagnetic heating by flashed vapour booster pump 19 On the water inlet pipe of device 111, mixed with the water supply of water supply pump 4.

Controller is according to the real-time detection of steam pressure sensor and steam flow sensor 7 and air outlet temperature sensor 9 The output of the revolving speed and intermediate frequency power supply of the parameter signal control water supply pump 4 that parameter signal and flashed vapour temperature sensor 10 monitor The speed of power and flashed vapour booster pump 19 has reached stable steam output.

Due to that can generate certain heat when intermediate frequency power supply work, and gas-liquid separator 20 need to be at a temperature of one stable Work, system design have cooling system.Coolant liquid is filled into coolant liquid holding vessel 15 by coolant injection mouth 13, by cold But liquid observation window of liquid level 16 checks whether liquid level meets the requirements.Coolant liquid is transported to the fever member of intermediate frequency power supply by cooling water pump 18 The cooling position of part and gas-liquid separator 20 is then delivered to cooling component, and heat is taken away in the blowing of radiator fan 12, then cold But liquid returns in coolant liquid holding vessel 15.

Fig. 7 ~ 13 illustrate the internal structure and working principle of 9 Cr 2 steel using electromagnetic heating transition components 6.4 water of water supply pump passes through check valve 102 are mixed to form the water for being mixed with flashed vapour with the flashed vapour that flash steam pipeline 109 is fed back.Mixing water is through current divider 103 The outer layer heating flow channel 104 for being further separated into electromagnetism heater 111 carries out first time heating, the further gas of mixing water after heating Change.Enter middle layer heating flow channel 106 through primary confluence chamber 105 after heat for the second time, mixing water is gasified totally.By increasing Pressure confluence chamber 107 forms the steam of 175 DEG C of 0.8MPa or so by steam (vapor) outlet method after heating for the third time to core heating flow channel 108 Pipeline at blue part 110 is exported to gas equipment.

Figure 14 show the principle of the mid-frequency induction heating in the present invention: generating modulated alternation electricity by intermediate frequency power supply Stream generates alternation induced current inside electromagnetism heater 111, and generated alternation induced current is in electromagnetism heater 111 Inside generates vortex to reach heat effect.According to induction electric skin effect principle, different frequency electric current generates whirlpool in metal Flow depth degree is different, can pass through the 111 inside heating location of output electric current and frequency shift electromagnetism heater of control intermediate frequency power supply Depth, it is corresponding to change different heating runner heating effect.

Specifically, in the present invention equipment heating when, control system by adjusting intermediate frequency power supply output electric current and frequency, Induction loop pipe 113 is set to generate heat in 111 core of electromagnetism heater or middle layer, and radially inside and outside transmitting.By Three layers of heating flow channel architectural characteristic inside electromagnetism heater 111 make outer layer runner unit area received heat minimum, in Layer or core received heat highest.Water since runner quantity is at most so flow velocity is slower, is flowed through when flowing through outer layer heating flow channel Layer and core are that flow velocity becomes faster step by step.Control system control adjustment 111 heat of electromagnetism heater is cooperated to generate depth, from And it realizes and flows through water stabilization, be fast, accurately converted into meeting the steam of requirement.

In the above structure, induction heating is conducted from 111 interior of electromagnetism heater.Very due to induction heating speed Fast 111 inside of cooperation electromagnetism heater special water stream channel and the movement of multiple distributing and converging, cause to flow through water realization step by step Supercharging effect is heated, final output meets the steam needed.By adjusting induced current size and frequency height, electricity can control The depth that 111 internal vortex of magnetocaloric generator generates realizes rapid, accurate computer heating control with gas demand is shared.

This system design simultaneously has flashed vapour to recycle mechanism, and flashed vapour enters 9 Cr 2 steel using electromagnetic heating conversion group after mixing with water Water is increased after in part 6 and 111 internal heated runner contact surface of electromagnetism heater improves heat exchanger effectiveness.

Equipment in the utility model, heating speed is fast, and it is Celsius electromagnetism heater 111 can be heated to 600 in 1 second Degree, can be converted into steam for water moment.Control is simple, it is only necessary to control the heating power of electromagnetism heater 111 and for hydraulic pressure Power can export stable steam well.Rapid reaction, the equipment automatic connecting that is able to achieve and is bullied control.Application adaptability is good, It can long-time stable gas supply also intermittent gas supply.Non-pollution discharge, recycling also can be recycled in condensed water, and can make full use of condensation Water waste heat.It is small in size, simple to install, can directly with gas equipment and connect use.It is energy-efficient, it is not necessarily to pre- hot standby.

In addition, can achieve 97% or more using electromagnetic heating metal transducer electric conversion efficiency in the utility model, Steam is directly become when the converted device of water flow, no other emissions generate.Using titanium alloy coating energy converter liner, high temperature is solved Steam is to corrosion of metal problem.Using the medium-high frequency power supply of transistor, consistent maturation, specific volume power is big, efficiency Height, same 1 ton of steam output equipment is the 1/5 ~ 1/10 of boiler volume.Meanwhile it can and machine direct with gas equipment or integrated It is used inside to equipment, is not necessarily to transportation pipe road.Reduce jet chimney thermal losses and maintenance cost.Using digital voltage regulation, The medium-high frequency power supply of frequency modulation technology, realizes being adjusted flexibly for heating power.Master control is done using the PLC with network savvy, it can be real The existing online clustered control of multimachine.Using multiple sensor acquire disengaging pressure and temperature signal, cooperate constant pressure water supply system and Programmable logic controller (PLC) realizes the electric control system of closed loop, is able to achieve and the online joint control of gas equipment.

Specifically, the electromagnetic heating type steam generator in the present invention has the advantage and characteristic of following several respects.

(1) good adaptability: the equipment volume is small and exquisite and supports multi-machine interaction and clustered control, can multi-machine parallel connection be used for Large-scale gas equipment, can also single machine be used for undersize item.Using advanced control system and sensor, all operation factors are set in machine It is standby to require adjustment according to output, it can not only meet high temperature and pressure load, low-temp low-pressure application can also be met.Steam generation is rung It answers speed fast, carries cooling system, can meet and continue the operation of uninterrupted high load rate, it can also be with with opening discontinuous operation.Complete machine It is contemplated that inhibiting scale to generate, reducing corrosion of piping problem, complete machine parallel-adder settle-out time prolongs significantly compared with plain cylindrical furnace when design Long, maintenance cost reduces.Complete machine uses modularization framework, and mechanism is simple, and maintenance is convenient.

(2) support multi-machine interaction and clustered control: the control of whole set equipment design size long 1600mm, wide 600 ~ 800mm, Within high 2000mm, separate unit per hour steam quantum of output in 1-2 steam ton range.Using 50 tons of reclaim paper papermaking lines as reference, need 7 ~ 9 such equipment are wanted, then can be directed to mating one of each drying cylinder of papermaking line, realize that gas supply is installed in drying cylinder side nearby； It by more steam generators and can also connect to generate bigger steam and export.Systems control division sets up separately in respect of RS485 and RJ45 Ethernet communication interface can be by communication modes by more when multimachine, which is combined, to be supplied to an equipment (such as above-mentioned paper machine example) Steam generator and gas equipment master control system are connected by network mode, according to the technique of each process of gas equipment It is required that or gas consumption how much realize flexible online control.Such as: certain drying cylinder (such as above-mentioned paper machine example) needs higher drying speed Degree, when not changing the output of corresponding steam generator, appropriate amendment increases the steam output of forward-backward correlation drying cylinder, reaches To final effect；Or complete machine linear speed tunes up or slow down (such as paper machine thread-changing) and can be synchronized by all steam generators of network-control It is turned up or reduces steam output.

(3) good safety: complete machine structure feature explanation, after electromagnetism heater stops heating, waste heat and residual Steam pressure can discharge rapidly, danger caused by accumulating there is no heat accumulative and residual pressure.Simultaneity factor is using maturation The problems such as low pressure medium frequency induction power supply, there is no electromagnetic radiation, interference.

(4) economical and energy saving: complete machine uses multinomial energy conservation measure such as flashed vapour utilization and recycle, heat recovery technology, same defeated Heat (referring to boiler) energy consumption is few out.Electromagnetism heater high conversion efficiency, speed are fast simultaneously, using a variety of energy-saving and frequency-variables Component makes complete machine itself, and low energy consumption.Maintenance output need to be only generated after equipment operation, there is no conveying headroom loss.Control Fast response time processed does not need preheating or cooling, reduces idling consumption.Condensing hot air furnace is used again, reduces urban water demand.

(5) environmentally friendly: complete machine is powered using standard power frequency electric, and common softened water supplies water.It is main to generate steam and discharge less Condensed water is measured, problem of environmental pollution is not present.Using versatile material, there is no at material mostly in complete machine manufacture and installation process Reason, degradation, venomous injurant Geological Problems.A small amount of heat preserving and insulating material can be consumed in complete machine maintenance, due to use scope very little, And can mostly reuse, seldom there is solid waste generation.Pipeline dirt slag need to be cleared up in complete machine maintenance, such waste is most It is condensed by inorganic matter in iron rust inside pipeline or gas equipment and water, generation quantity is less and nontoxic.

The above, the protection scope of the utility model include but is not limited to embodiment of above, the guarantor of the utility model Shield range is subject to claims, replacement that those skilled in the art that any pair of this technology is made is readily apparent that, deformation, Improvement each falls within the protection scope of the utility model.

Claims (4)

1. flash steam and residual neat recovering system in electromagnetic heating type steam generator, the flash steam and residual neat recovering system are set to In steam generator main body (01), which is characterized in that the flash steam and residual neat recovering system include gas-liquid separator (20), institute The import for stating gas-liquid separator (20) is connected with the pipeline of transporting low temperature steam, and the water out of the gas-liquid separator (20) passes through Pipeline is connected with water tank (3), the steam (vapor) outlet of gas-liquid separator (20) by pipeline and electromagnetism heater (111) into Water pipe is connected；The flash steam and residual neat recovering system further include the coolant liquid holding vessel for cooling down gas-liquid separator (20) (15).

2. flash steam and residual neat recovering system in electromagnetic heating type steam generator according to claim 1, feature It is, is provided with flash steam temperature sensor (10) on the pipeline of the inlet end of the gas-liquid separator (20).

3. flash steam and residual neat recovering system in electromagnetic heating type steam generator according to claim 1, feature It is, the lower part cooperation of the coolant liquid holding vessel (15) is equipped with the cooling water pump (18) of pipeline connection.

4. flash steam and residual neat recovering system in electromagnetic heating type steam generator according to claim 1, feature It is, the flash steam pipeline (109) of the steam (vapor) outlet of the gas-liquid separator (20) is equipped with flashed vapour booster pump (19), pressurization Flash steam is transported in the water inlet pipe on electromagnetism heater (111) by pump.