CN114321863A - Steam generation system and steam equipment - Google Patents

Abstract

The invention provides a steam generation system and steam equipment. This steam generation system includes inlet tube, solenoid valve, water pump and steam generator, the inlet tube be used for to steam generator carries liquid, the solenoid valve with the water pump is connected in on the inlet tube, the water pump is used for providing power with the drive liquid process the inlet tube is carried to in the steam generator, just the solenoid valve is at the during operation frequent switching action so that liquid in the inlet tube passes through be the break-make ground behind the solenoid valve and get into in the steam generator. The steam generating system provided by the invention can continuously and stably generate steam, has high steam generating speed and controllable steam temperature, and can generate high-temperature dry steam. The steam equipment provided by the invention comprises the steam generation system.

Description

Steam generation system and steam equipment

Technical Field

The invention relates to the technical field of steam equipment, in particular to a steam generation system and steam equipment.

Background

The steam has the characteristics of high temperature, a small amount of liquid water capable of generating a large amount of steam and the like, and has the advantages of good cleaning effect and water resource saving when being applied to the cleaning field. Products for cleaning by steam have been used in the prior art, such as steam washers, steam mops, steam sanitizers, steam irons, garment steamers, steam dishwashers, and the like.

The steam generation mode among the prior art all adopts the mode of boiler water storage heating evaporation basically, and the boiler is as the water container that is used for heating, and it has water to store in it, adopts modes such as electric heating or fuel heating to heat the boiler for the water in the boiler boils and produces steam, then exports the steam that produces through transfer line. It will be appreciated that the components and configuration of the delivery line and the vapor outlet may vary from application to application. The mode of boiler heating is adopted, because the water in the boiler needs to be heated and boiled, the steam generation speed is slow, the dryness and humidity of the steam are difficult to adjust, and the stability of the generated steam is poor. The generated steam is usually high in humidity and cannot generate dry steam, namely the steam is not pure gaseous steam in nature, but is mixed with gas-liquid mixed liquid in an atomized state, and cannot be applied to the situation that the dry steam is required to be used; moreover, since the steam is a gas-liquid mixed steam, the temperature is generally difficult to reach a high temperature, and thus the steam is difficult to be applied to a situation that high-temperature steam is required.

Disclosure of Invention

The present invention is directed to a steam generating system and a steam generating apparatus, which can generate steam continuously and stably, and generate steam at a high speed, and generate dry steam with a high temperature, wherein the temperature of the steam is controllable.

The invention provides a steam generation system which comprises a water inlet pipe, an electromagnetic valve, a water pump and a steam generator, wherein the water inlet pipe is used for conveying liquid to the steam generator, the electromagnetic valve and the water pump are connected to the water inlet pipe, the water pump is used for providing power to drive the liquid to be conveyed into the steam generator through the water inlet pipe, and the electromagnetic valve is frequently opened and closed during work so that the liquid in the water inlet pipe enters the steam generator in an on-off mode after passing through the electromagnetic valve.

Further, the water pump is connected between the electromagnetic valve and the steam generator, and liquid flows in the water inlet pipe and enters the steam generator after sequentially passing through the electromagnetic valve and the water pump.

Further, steam generator includes heating device, heating device includes heating tube and steam pipe, heating tube with the heat conduction of steam pipe is connected, the export of water pump with the water inlet intercommunication of steam pipe.

Furthermore, the heating device also comprises a heater base, the heater base is made of heat conduction materials, the heating pipe and the steam pipe are buried in the heater base, and the heating pipe and the steam pipe conduct heat through the heater base.

Further, the steam generator further comprises a temperature sensor, and the temperature sensor is arranged on the heater base.

Furthermore, a mounting hole is formed in the heater base, and the temperature sensor is arranged in the mounting hole.

Further, temperature sensor includes first temperature sensor and second temperature sensor, first temperature sensor with second temperature sensor all set up in on the heater base, first temperature sensor with second temperature sensor is used for detecting heating device's normal operating temperature and shutoff protection temperature respectively.

Furthermore, a one-way valve is arranged on a pipeline between the outlet of the water pump and the inlet of the steam generator.

Further, the water pump is an electromagnetic pump.

The invention also provides a steaming device comprising the steam generation system.

Further, the steaming device further comprises a cleaning gun, and an inlet of the cleaning gun is communicated with an outlet of the steam generator.

Further, the steam equipment is one of a steam car washer, a steam mop, a steam disinfection cabinet, a steam iron, a steam hanging ironing machine, a steam dish washing machine and a steam-ozone sterilizing machine.

According to the steam generation system provided by the invention, the electromagnetic valve is arranged on the water inlet pipe, when the steam generation system works, the steam generator is heated to a preset temperature, then the electromagnetic valve is controlled to be opened and closed frequently, so that water in the water inlet pipe enters the steam generator in a high-frequency on-off mode (namely, water in the water inlet pipe enters the steam generator at intervals), the water inflow amount of each frequency in the steam generator is ensured to be small, a small amount of water can be instantly evaporated into steam after entering the high-temperature steam generator every time, and the steam generation mode is different from the steam generation mode of the existing boiler in boiling. The steam generation system does not need to completely heat and boil a large amount of water, so that the steam generation speed is high, the steam can be continuously and stably generated, meanwhile, the temperature of the steam is controllable, and high-temperature dry steam can be generated.

Drawings

Fig. 1 is a schematic structural view of a steaming device in an embodiment of the present invention.

Fig. 2 is a block diagram showing the structure of a steam generation system according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a steam generator according to an embodiment of the present invention.

Fig. 4 is a schematic cross-sectional view of fig. 3.

Fig. 5 is a schematic view of the partially exploded structure of fig. 3.

Fig. 6 is an exploded view of the heating apparatus of fig. 5.

Fig. 7 is a plan view of the heat generating pipe and the steam pipe of fig. 6.

Fig. 8 is a schematic view of an exploded structure of the heat generating pipe and the steam pipe of fig. 6.

Fig. 9 is a perspective view schematically illustrating an internal structure of the heater base of fig. 6.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

As shown in fig. 1 and 2, a steam generating system according to an embodiment of the present invention includes a water inlet pipe 2, an electromagnetic valve 3, a water pump 4 and a steam generator 1, wherein the water inlet pipe 2 is used for delivering liquid to the steam generator 1, the electromagnetic valve 3 and the water pump 4 are connected to the water inlet pipe 2, the water pump 4 is used for providing power to drive the liquid to be delivered to the steam generator 1 through the water inlet pipe 2, and the electromagnetic valve 3 frequently opens and closes during operation so that the liquid in the water inlet pipe 2 passes through the electromagnetic valve 3 and then enters the steam generator 1 in an on-off manner.

Further, as shown in fig. 2, in the present embodiment, the steam generating system further includes a controller 7, and the controller 7 is electrically connected to the steam generator 1, the solenoid valve 3 and the water pump 4 at the same time to coordinate the opening and closing of the steam generator 1, the solenoid valve 3 and the water pump 4 and the operation manner.

Specifically, this embodiment is through setting up solenoid valve 3 on inlet tube 2, in operation, heat steam generator 1 to preset temperature (for example more than 200 ℃), control solenoid valve 3 through controller 7 frequent switching, make the water high frequency in inlet tube 2 go into steam generator 1 with breaking (in water one strand interval gets into steam generator 1 promptly in inlet tube 2), it is not big to guarantee every frequent inflow in steam generator 1, can be evaporated into steam in the twinkling of an eye after a small amount of water gets into steam generator 1 of high temperature at every turn, this steam generation mode is different from the mode that current boiler boiled and produced steam. In one embodiment, the frequency of opening and closing the solenoid valve 3 is 50-100 Hz. The steam generation system does not need to completely heat and boil a large amount of water, so that the steam generation speed is high, the steam can be continuously and stably generated, meanwhile, the temperature of the steam is controllable, and high-temperature dry steam can be generated. Further, in this embodiment, the water pump 4 is connected between the electromagnetic valve 3 and the steam generator 1, and the liquid flows in the water inlet pipe 2, sequentially passes through the electromagnetic valve 3 and the water pump 4, and then enters the steam generator 1. So set up and make water pump 4 can protect solenoid valve 3 to avoid direct transmission to solenoid valve 3 department such as pressure, the temperature that steam generator 1 produced to produce adverse effect to it to guarantee solenoid valve 3's working property and life.

Further, as shown in fig. 6, in the present embodiment, the steam generator 1 includes a heating device 11, the heating device 11 includes a heat generating pipe 111 and a steam pipe 112, the heat generating pipe 111 and the steam pipe 112 are thermally connected, and an outlet of the water pump 4 is communicated with an inlet of the steam pipe 112.

Further, as shown in fig. 6, in the present embodiment, the heating device 11 further includes a heater base 113, the heater base 113 is made of a heat conducting material, the heating pipe 111 and the steam pipe 112 are embedded in the heater base 113, and the heating pipe 111 and the steam pipe 112 conduct heat transfer through the heater base 113. Of course, in other embodiments, the heat generating tubes 111 and the steam tubes 112 may also transfer heat by direct contact heat transfer or other means.

Further, as shown in fig. 6, in the present embodiment, the steam generator 1 further includes a temperature sensor 14, the temperature sensor 14 is disposed on the heater base 113, and the temperature sensor 14 is in electrical signal connection with the controller 7 to transmit the temperature information of the heating device 11 to the controller 7.

Specifically, in the steam generator 1 of the present embodiment, the heater base 113 is used to transfer heat between the heating tube 111 and the steam tube 112, that is, the heat generated by the heating tube 111 is firstly transferred to the heater base 113, and then the heat is transferred to the steam tube 112 by the heater base 113, so that the steam tube 112 is heated uniformly and rapidly. Moreover, because the heating tube 111 and the steam tube 112 are embedded in the heater base 113, the heating tube 111, the steam tube 112 and the heater base 113 are in close contact with each other, so that the three have good heat-conducting performance, and the heat loss in the heat-conducting process is reduced. Meanwhile, the temperature sensor 14 is arranged on the heater base 113, the temperature of the steam can be accurately controlled by the temperature sensor 14 (because the heating pipe 111 is a heating source, the temperature of the heating pipe is higher than the temperature of the steam, and the temperature cannot represent the temperature of the steam, and because water flows through the steam pipe 112, the temperature of each part of the steam pipe 112 is uneven, the temperature sensor 14 cannot be arranged on the heating pipe 111 or the steam pipe 112, otherwise, the temperature detection value is inaccurate), and the dryness and humidity of the steam can be further controlled. This steam generator 1 is not only heat conduction efficiency high, and steam production is fast, and steam pipe 112 is heated evenly moreover, can guarantee the production quality of steam (better such as the temperature homogeneity of steam, dry humidity homogeneity), can control the temperature and the dry humidity of steam simultaneously.

Specifically, in the present embodiment, the heating device 11 is an electric heating device, that is, the heating tube 111 is an electric heating tube, two ends of the heating tube 111 are respectively provided with a first electric connection end 1111 and a second electric connection end 1112, and the first electric connection end 1111 and the second electric connection end 1112 of the heating tube 111 are connected to an external circuit and then generate heat energy through an electric heating manner. Both ends of the steam pipe 112 are respectively provided with a water inlet 1121 and a steam outlet 1122, and water enters the steam pipe 112 from the water inlet 1121, is heated to form steam, and is then discharged through the steam outlet 1122. In operation, when the temperature sensor 14 detects that the temperature of the heater base 113 reaches a set value, the controller 7 controls the inflow of water into the steam pipe 112 to generate steam; meanwhile, the temperature and the dryness and humidity of the steam (the temperature of the steam corresponds to the dryness and humidity of the steam) can be controlled by adjusting the set value.

Further, as shown in fig. 6, in the present embodiment, the temperature sensor 14 is disposed close to the heat generation pipe 111 and the steam pipe 112, and the temperature sensor 14 is not in contact with the heat generation pipe 111 and the steam pipe 112, so as not to cause the heat generation pipe 111 and the steam pipe 112 to affect the temperature detection value of the temperature sensor 14.

Further, as shown in fig. 6, in the present embodiment, the heater base 113 is provided with a mounting hole 115, and the temperature sensor 14 is disposed in the mounting hole 115.

Further, as shown in fig. 6, in the present embodiment, the inner wall of the mounting hole 115 is threaded, so as to facilitate the installation of the temperature sensor 14, that is, the temperature sensor 14 is screwed into the mounting hole 115.

Further, as shown in fig. 5 and 6, in the present embodiment, the temperature sensor 14 includes a first temperature sensor 141 and a second temperature sensor 142, and both the first temperature sensor 141 and the second temperature sensor 142 are disposed on the heater base 113.

Specifically, the first temperature sensor 141 and the second temperature sensor 142 are used to detect the normal operating temperature and the off protection temperature of the heating device 11, respectively. In operation, when the first temperature sensor 141 detects that the temperature of the heater base 113 reaches a set value, the controller 7 controls the inflow of water into the steam pipe 112 to generate steam; meanwhile, the temperature and the dryness and humidity of the steam can be controlled by adjusting the set value. Under normal conditions, when the first temperature sensor 141 works normally (i.e. the first temperature sensor 141 is not damaged), the temperature of the heating device 11 is controlled to be near the normal working temperature, and the heating device 11 will not overheat, but when the first temperature sensor 141 fails and cannot detect the temperature, the heating device 11 will continuously heat and dry heat, and there is a safety hazard. Therefore, the second temperature sensor 142 is mainly used for over-temperature protection, when the temperature detected by the second temperature sensor 142 reaches the shutdown protection temperature, the controller 7 controls the steam generator 1 to stop working, and meanwhile, a text or voice warning can be set to remind a user that the temperature detection fails and the maintenance is needed in time. Wherein the set value of the turn-off protection temperature should be higher than the set value of the normal working temperature.

Further, as shown in fig. 6, in the present embodiment, the mounting holes 115 include first and second mounting holes 1151 and 1152 that are spaced apart, and the first and second temperature sensors 141 and 142 are respectively disposed in the first and second mounting holes 1151 and 1152.

Further, in the present embodiment, the heater base 113 is formed by casting, and the heater base 113 is a cast aluminum piece or a cast copper piece.

Specifically, during the manufacturing process, the manufactured heating tube 111 and steam tube 112 may be placed in a mold (not shown), and then molten aluminum or copper may be cast into the mold, and the heater base 113 may be obtained after the aluminum or copper is cooled. Since the heater base 113 is formed by casting, the heater base 113 can be in close contact with the heat generation pipe 111 and the steam pipe 112, i.e., the heat generation pipe 111 and the steam pipe 112 are closely covered by the heater base 113; meanwhile, since the heater base 113 is made of a material having excellent heat conductivity, such as copper or aluminum, the heat generated by the heating tube 111 can be rapidly conducted to the heater base 113, and the heater base 113 conducts the heat to the steam tube 112, so that the steam tube 112 is uniformly heated and rapidly heated, and the heat loss during the heat conduction process can be reduced. Of course, in other embodiments, the heater base 113 may be formed by other methods.

Further, in the present embodiment, in order to avoid the heat generating tube 111 electrically contacting the heater base 113 (the heat generating tube 111 and the heater base 113 are both made of conductive metal material), an insulating material (not shown) may be disposed on the outer surface of the heat generating tube 111, for example, an insulating film is coated or wrapped on the outer surface.

Further, as shown in fig. 9, in the present embodiment, an accommodating cavity 1131 is formed in the heater base 113, the accommodating cavity 1131 has the same shape and size as those of the heat generating pipe 111 and the steam pipe 112, and the heat generating pipe 111 and the steam pipe 112 are both located in the accommodating cavity 1131.

Further, as shown in fig. 4 and 6, in the present embodiment, the heat generating pipe 111 and the steam pipe 112 are disposed close to each other in the heater base 113, thereby improving heat transfer efficiency between the heat generating pipe 111 and the steam pipe 112.

Further, as shown in fig. 6 and 8, in the present embodiment, both the heating tube 111 and the steam tube 112 are bent to form a spiral structure, and the heating tube 111 and the steam tube 112 are sleeved with each other.

Specifically, by providing the heat generation pipe 111 and the steam pipe 112 in a spiral structure, the heat transfer area of the heat generation pipe 111 and the steam pipe 112 in the heater base 113 can be increased, thereby improving the heat transfer efficiency; meanwhile, as the heating tube 111 and the steam tube 112 are sleeved with each other, the occupied space of the heating tube 111 and the steam tube 112 can be reduced, so that the size of the steam generator 1 is reduced, heat generated by the heating tube 111 can be uniformly conducted to each position of the steam tube 112, and the uniformity of steam is ensured.

Further, as shown in fig. 4 and 7, in the present embodiment, the winding diameter of the steam pipe 112 is larger than the winding diameter of the heating pipe 111, the steam pipe 112 is sleeved outside the heating pipe 111 (of course, in other embodiments, the heating pipe 111 is sleeved outside the steam pipe 112), a gap 114 is provided between the steam pipe 112 and the heating pipe 111, and the heater base 113 fills the gap 114 between the steam pipe 112 and the heating pipe 111.

Specifically, in the present embodiment, since the steam pipe 112 has the gap 114 with the heat generating pipe 111, that is, the steam pipe 112 does not directly contact the heat generating pipe 111 for heat transfer, but indirectly transfers heat through the heater base 113, it is possible to prevent the steam pipe 112 from being unevenly heated due to the direct contact of the steam pipe 112 with the heat generating pipe 111.

Further, as shown in fig. 6, in the present embodiment, the heat generating pipe 111 and the steam pipe 112 are both of a circular pipe structure, and the heater base 113 is of a cylindrical structure. Of course, in other embodiments, the heater base 113 may have a square column structure (i.e., a rectangular parallelepiped or square structure) or other shapes.

Further, as shown in fig. 6, in the present embodiment, the heater base 113 is provided with a first through hole 1132 and a second through hole 1133, and the water inlet 1121 and the steam outlet 1122 of the steam pipe 112 respectively penetrate through the first through hole 1132 and the second through hole 1133 and then are exposed outside the heater base 113, so as to facilitate connection between the steam pipe 112 and an external pipeline. The heater base 113 is provided with a first through hole 1134 and a second through hole 1135, and the first electrical connection end 1111 and the second electrical connection end 1112 of the heating tube 111 respectively pass through the first through hole 1134 and the second through hole 1135 and then are exposed outside the heater base 113, so that the connection between the heating tube 111 and an external circuit is facilitated.

Further, as shown in fig. 3 and 4, in the present embodiment, the steam generator 1 further includes a housing 12, and the heating device 11 is disposed in the housing 12.

Further, as shown in fig. 4, in the present embodiment, an insulating layer 13 is provided in the casing 12, and the insulating layer 13 is located between the outer wall of the heater base 113 and the inner wall of the casing 12. Through setting up heat preservation 13, can improve steam generator 1's heat preservation function, reduce the inside thermal giving off of steam generator 1, improve steam generator 1's heating efficiency to reduce steam generator 1 to the heat radiation of peripheral equipment.

Further, in this embodiment, the insulating layer 13 is made of heat insulation cotton. The heat insulation cotton has the advantages of high temperature resistance, difficult combustion, low heat conductivity coefficient and the like, and the cost is relatively low. Of course, in other embodiments, the insulating layer 13 may also be made of aerogel, vacuum plate, etc.

Further, as shown in fig. 1 and 2, in the present embodiment, a check valve 5 is disposed on a pipe between an outlet of the water pump 4 and an inlet of the steam generator 1 to prevent water or generated steam in the steam generator 1 from flowing back.

Further, in the present embodiment, the water pump 4 is an electromagnetic pump.

As shown in fig. 1, an embodiment of the present invention further provides a steam device, which includes the steam generation system described above. The steam equipment is one of a steam car washer, a steam mop, a steam disinfection cabinet, a steam iron, a steam hanging ironing machine, a steam dish washing machine and a steam-ozone sterilizing machine.

Further, as shown in fig. 2, in the present embodiment, the steam device is, for example, a steam cleaning device, which further includes a washing gun 6, an inlet of the washing gun 6 is communicated with an outlet of the steam generator 1, and steam generated by the steam generator 1 can be sprayed through the washing gun 6 to perform a washing operation.

Further, as shown in fig. 1, in the present embodiment, the steaming device further includes a housing 8, the steam generation system is disposed inside the housing 8, and the washing gun 6 is disposed outside the housing 8 (the washing gun 6 is not shown in fig. 1). And a water inlet joint 81 and a steam outlet joint 82 are respectively arranged on two sides of the shell 8, and the water inlet joint 81 and the steam outlet joint 82 are both threaded joints. The water inlet joint 81 is connected with the water inlet pipe 2, and the water inlet joint 81 is used for connecting an external water source (such as a water tank); a steam outlet connection 82 is connected to the outlet of the steam generator 1, the steam outlet connection 82 being used for connection to the washing gun 6.

The working process for generating steam by the steam generation system is as follows:

heating the steam generator 1 to a preset temperature;

the control electromagnetic valve 3 is frequently opened and closed, so that the water in the water inlet pipe 2 enters the steam generator 1 in a high-frequency on-off mode, and the water entering the steam generator 1 is vaporized into steam after being heated.

Further, the temperature of the steam is controlled by the on-off time parameter of the solenoid valve 3 and/or the heating temperature parameter of the steam generator 1.

Specifically, the steam generating system is provided with different gears, and the opening and closing time parameters of the electromagnetic valve 3 and/or the heating temperature parameters of the steam generator 1 are different under different gears, so that different temperatures of steam formed by evaporation are realized, and different humidity and dryness are realized; under different gears, the operation parameters of each part in the steam generation system are preset in the controller 7 and are controlled by a built-in program of the controller 7. The steam generator 1 has a low heating temperature and/or the electromagnetic valve 3 has a large water inflow (i.e. the electromagnetic valve 3 has a relatively long opening time at each frequency, and the steam generator 1 has a relatively large water inflow at each frequency), the steam has a high humidity; the steam generator 1 has a high heating temperature and/or the solenoid valve 3 has a small water inflow (i.e. the solenoid valve 3 has a relatively short opening time per frequency and the steam generator 1 has a relatively small water inflow per frequency), the steam has a low humidity. In practical use, the temperature and the humidity of the steam are generally adjusted by controlling the heating temperature parameter of the steam generator 1, so that the amount of the steam generated per frequent time is kept constant (if the temperature and the humidity of the steam are adjusted by controlling the opening and closing time parameter of the electromagnetic valve 3, the amount of the steam generated per frequent time is changed).

According to the steam generation system provided by the embodiment of the invention, the electromagnetic valve 3 is arranged on the water inlet pipe 2, and the controller 7 is used for controlling the electromagnetic valve 3 to be opened and closed frequently, so that water in the water inlet pipe 2 enters the steam generator 1 in a high-frequency on-off mode, the condition that the water inflow amount of each frequency in the steam generator 1 is not large is ensured, a small amount of water can be instantly evaporated into steam after entering the high-temperature steam generator 1 every time, and the steam generation mode is different from the mode of generating steam by boiling in the existing boiler. This steam generation system has realized going the boiler ization, need not to boil the whole heating of a large amount of water, so the speed that steam produced is fast, can continuously stably produce steam moreover, and the temperature and the humidity of steam are controllable simultaneously, can produce the dry steam of high temperature.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (10)

1. The utility model provides a steam generation system, its characterized in that, includes inlet tube (2), solenoid valve (3), water pump (4) and steam generator (1), inlet tube (2) be used for to steam generator (1) transport liquid, solenoid valve (3) with water pump (4) connect in on inlet tube (2), water pump (4) are used for providing power with drive liquid warp inlet tube (2) carry to in steam generator (1), just solenoid valve (3) are at the during operation frequent switching action so that liquid in inlet tube (2) passes through be the break-make ground after solenoid valve (3) and get into in steam generator (1).

2. Steam generating system according to claim 1, wherein the water pump (4) is connected between the solenoid valve (3) and the steam generator (1), and liquid flows in the water inlet pipe (2) and enters the steam generator (1) after passing the solenoid valve (3) and the water pump (4) in sequence.

3. The steam generating system according to claim 1, wherein the steam generator (1) comprises a heating device (11), the heating device (11) comprising a heat generating pipe (111) and a steam pipe (112), the heat generating pipe (111) and the steam pipe (112) being in heat conducting connection, an outlet of the water pump (4) being in communication with an inlet of the steam pipe (112).

4. The steam generating system as claimed in claim 3, wherein the heating device (11) further comprises a heater base (113), the heater base (113) is made of a heat conductive material, the heat generating pipe (111) and the steam pipe (112) are embedded in the heater base (113), and the heat generating pipe (111) and the steam pipe (112) transfer heat through the heater base (113).

5. The steam generating system of claim 4, wherein the steam generator (1) further comprises a temperature sensor (14), the temperature sensor (14) being disposed on the heater base (113).

6. The steam generating system as recited in claim 5, wherein the temperature sensor (14) includes a first temperature sensor (141) and a second temperature sensor (142), the first temperature sensor (141) and the second temperature sensor (142) being disposed on the heater base (113), the first temperature sensor (141) and the second temperature sensor (142) being for detecting a normal operating temperature and an off protection temperature of the heating device (11), respectively.

7. Steam generating system according to claim 1, characterized in that a one-way valve (5) is arranged in the conduit between the outlet of the water pump (4) and the inlet of the steam generator (1).

8. A steam generating system as claimed in claim 1, wherein the water pump (4) is an electromagnetic pump.

9. A steaming device comprising a steam generating system as claimed in any one of claims 1 to 8.

10. The steam appliance of claim 9, wherein the steam appliance is one of a steam car washer, a steam mop, a steam sterilizer, a steam iron, a garment steamer, a steam dishwasher, and a steam-ozone sterilizer.

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