CN218565394U - Boiler device, floor brush assembly and cleaning equipment - Google Patents

Abstract

The utility model relates to a boiler plant, scrubbing brush subassembly and cleaning equipment. The boiler device comprises a boiler body, a water inlet pipe structure, a steam outlet pipe structure and an electric heating assembly; the boiler body comprises a boiler shell with a steam generating cavity; the water inlet pipe structure comprises a plurality of water inlet pipe heads arranged on the boiler shell, and the plurality of water inlet pipe heads are communicated with the steam generation cavity; the steam outlet pipe structure comprises a steam outlet pipe head arranged on the boiler shell, and the steam outlet pipe head is communicated with the steam generation cavity; the electric heating assembly comprises a heating electrode arranged on the boiler shell; the boiler body is including locating the metal heat-generating body in the steam generation chamber, and the export of a plurality of water pipe heads all corresponds the setting with the metal heat-generating body, and heating electrode is connected with the metal heat-generating body. The utility model discloses can solve some cleaning device's in the correlation technique boiler plant, it is slower to go out steam speed, and the sterilization ability is poor, the not good problem of clean effect.

Description

Boiler device, floor brush assembly and cleaning equipment

Technical Field

The utility model relates to a cleaning device technical field, in particular to boiler plant, scrubbing brush subassembly and cleaning device.

Background

When cleaning equipment such as a floor washing machine is used for cleaning the ground or the surface (to-be-cleaned surface) of other objects, in order to obtain a better cleaning effect on the to-be-cleaned surface, a boiler device is additionally arranged on the cleaning equipment to generate high-temperature steam, and bacteria on the to-be-cleaned surface are killed and killed through the high-temperature steam. However, in the related art, some boiler devices of the cleaning equipment need to convey a certain amount of clean water to a containing cavity of the boiler device, and then heat the whole clean water to gradually vaporize the clean water (the principle of the boiler device is similar to that of boiling water with a hot water kettle), so that the steam outlet speed is slow, the sterilization capability is poor, and the cleaning effect is poor.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the technical problem that some cleaning device's boiler plant in the correlation technique goes out steam speed slower, leads to the sterilization ability poor, and clean effect is not good.

In order to solve the technical problem, the utility model provides a boiler device, include:

a boiler body including a boiler housing having a steam generation chamber;

the water inlet pipe structure comprises a plurality of water inlet pipe heads arranged on the boiler shell, and the plurality of water inlet pipe heads are communicated with the steam generation cavity;

the steam outlet pipe structure comprises a steam outlet pipe head arranged on the boiler shell, and the steam outlet pipe head is communicated with the steam generation cavity; and (c) a second step of,

the electric heating assembly comprises a heating electrode arranged on the boiler shell;

wherein, the boiler body is including locating metal heat-generating body in the steam generation chamber, and is a plurality of the export of water pipe head all with metal heat-generating body corresponds the setting, heating electrode with metal heat-generating body connects.

Optionally, the metal heating element is a flat heating plate, and the outlets of the plurality of water inlet pipe heads are arranged opposite to the plate surface of the heating plate.

Optionally, the boiler housing comprises a boiler shell;

the boiler shell comprises a shell bottom cover and a shell upper cover arranged on the shell bottom cover, the steam generation cavity is located between the shell bottom cover and the shell upper cover, and the water inlet pipe head and the steam outlet pipe head are arranged on the shell upper cover in a penetrating mode.

Optionally, the boiler shell is including locating boiler inner shell in the boiler shell, steam generation chamber is located in the boiler inner shell, the water inlet tube head with it all wears to locate to go out the steam tube head on the boiler inner shell, and with steam generation chamber intercommunication.

Optionally, the boiler inner shell includes the inner shell base to and the lid is located inner shell lid on the inner shell base, the steam generation chamber is located the inner shell base with between the inner shell lid, the water inlet tube head with it all wears to locate to go out the vapour tube head on the inner shell lid.

Optionally, the inner shell base is provided as a metal shell;

the metal heating element and the inner shell base are integrated; alternatively, the first and second electrodes may be,

the metal heating body is independently arranged in the steam generating cavity and is positioned on the base of the inner shell.

Optionally, the boiler body comprises an inner heat insulation structure arranged outside the inner boiler shell; the inner heat insulation structure comprises an inner upper heat insulation plate and an inner lower heat insulation plate which are respectively arranged at the top of the outer side of the boiler inner shell and the top of the inner shell, and the inner upper heat insulation plate and the inner lower heat insulation plate are both positioned in the boiler outer shell;

the boiler body comprises an outer heat insulation structure arranged on the outer side of the boiler shell; the outer heat insulation structure comprises an outer upper heat insulation plate and an outer lower heat insulation plate which are respectively arranged at the top of the outer side of the boiler shell and the top of the outer side of the boiler shell.

Optionally, the water inlet pipe structure comprises a main water inlet pipe and a plurality of branch water inlet pipes connected with the main water inlet pipe, and the plurality of water inlet pipe heads are connected with the plurality of branch water inlet pipes in a one-to-one correspondence manner;

go out the steam pipe structure include with go out the main steam outlet pipe that the steam pipe head is connected, and with a plurality of branches that main steam outlet pipe is connected go out the steam pipe.

Furthermore, the utility model provides a floor brush subassembly, include:

a floor brush body; and (c) a second step of,

the boiler device is arranged on the floor brush main body.

Furthermore, the utility model provides a cleaning device, include:

an apparatus body; and the number of the first and second groups,

the floor brush assembly is arranged on the equipment body.

The technical scheme provided by the utility model, following advantage has:

the utility model provides a boiler device can carry the clear water to the steam generation chamber of boiler body in through the inlet tube structure, and can heat the clear water of carrying to the steam generation chamber through electric heating assembly and make its vaporization form steam to steam output to the boiler body in the chamber through going out the vapour tubular construction. Moreover, when carrying the clear water in taking place the chamber to steam through the inlet pipe structure, the metal heat-generating body in the chamber takes place for the clear water is directly sprayed to steam to the clear water to a plurality of inlet pipe heads of accessible, and the metal heat-generating body can be heated through electric heating element in advance for when the clear water sprays to the metal heat-generating body, can vaporize fast and form steam, a plurality of inlet pipe heads can spray the clear water to the metal heat-generating body uniformly moreover, make the vaporization to the clear water even more quick. In this way, the boiler device can rapidly generate and output steam, so as to improve the sterilization capacity and the cleaning effect of the steam.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic perspective view of a boiler device according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a boiler device according to an embodiment of the present invention;

fig. 3 is a schematic three-dimensional structure diagram of a boiler device according to an embodiment of the present invention;

FIG. 4 is a schematic top view of a boiler plant according to an embodiment of the present invention;

fig. 5 isbase:Sub>A schematic sectional view ofbase:Sub>A sectionbase:Sub>A-base:Sub>A ofbase:Sub>A boiler apparatus according to an embodiment of the present invention;

FIG. 6 is a schematic exploded view of a boiler assembly according to an embodiment of the present invention;

fig. 7 is a schematic perspective view of a cleaning device according to an embodiment of the present invention.

In the figure: 10. cleaning the equipment; 10. a floor brush assembly; 11. a floor brush main body; 12. a boiler unit; 20. An equipment body; 22. a clear water tank; 100. a boiler body; 102. a steam generating chamber; 110. a boiler housing; 112. a housing bottom cover; 114. an upper cover of the shell; 120. an inner shell of the boiler; 122. an inner shell base; 124. an inner shell cover body; 130. a metal heating element; 140. an internal heat insulation structure; 142. the inner side is provided with a heat insulation board; 144. an inner lower thermal insulation plate; 152. the outer side is provided with a heat insulation board; 154. an outer lower thermal insulation board; 200. A water inlet pipe structure; 210. a main water inlet pipe; 220. a branch water inlet pipe; 230. a water inlet pipe head; 300. A steam outlet pipe structure; 310. a main steam outlet pipe; 320. a branch steam outlet pipe; 330. a steam outlet pipe head; 340. A steam outlet nozzle; 400. an electrical heating assembly; 410. heating the electrode; 500. and (7) a temperature controller.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper, lower, top, bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or with respect to the component itself in the vertical, vertical or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

It is noted that, in the present invention, relational terms such as "first" and "second", and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

As shown in fig. 1 to 5, the present invention provides a boiler device 12, which comprises a boiler body 100 having a steam generating chamber 102, a water inlet pipe structure 200 and a steam outlet pipe structure 300 disposed on the boiler body 100, and an electric heating assembly 400 disposed on the boiler body 100. Clear water can be conveyed into the steam generating cavity 102 of the boiler body 100 through the water inlet pipe structure 200, the clear water conveyed into the steam generating cavity 102 can be heated through the electric heating assembly 400 to be vaporized into steam, the steam in the steam generating cavity is output to the outside of the boiler body 100 through the steam outlet pipe structure 300, and sterilization can be performed through the steam.

Specifically, as shown in fig. 6 to 7, the boiler body 100 may include a boiler housing having a steam generation chamber 102; the water inlet pipe structure 200 may include a plurality of water inlet pipe heads 230 disposed on the boiler housing, the plurality of water inlet pipe heads 230 being communicated with the steam generation chamber 102; the steam outlet pipe structure 300 may include a steam outlet pipe head 33 disposed on the boiler shell, and the steam outlet pipe head 330 is communicated with the steam generation cavity 102; the electric heating assembly 400 may include a heating electrode 410 provided on the boiler case; moreover, the boiler body 100 may include a metal heating element 130 disposed in the steam generation chamber 102, a plurality of water inlet nozzles 230 may be disposed to correspond to the metal heating element 130, and the heating electrode 410 may be connected to the metal heating element 130.

When carrying clear water in taking place the chamber 102 to steam through inlet pipe structure 200, the metal heat-generating body 130 in the chamber 102 is taken place to the direct clear water that sprays to steam of accessible a plurality of inlet pipe heads 230, and metal heat-generating body 130 can heat through electric heating element 400 in advance for when the clear water sprays to metal heat-generating body 400, can vaporize fast and form steam, and a plurality of inlet pipe heads 230 can spray the clear water to metal heat-generating body 130 uniformly, make the vaporization to the clear water more even quick. In this way, the boiler device 12 can be made to generate and output steam quickly to enhance the sterilizing capability and cleaning effect of the steam.

In addition, the water inlet pipe structure 200 and the steam outlet pipe structure 300 may be respectively disposed at two ends of the boiler casing, such as at the top end and the bottom end of the boiler casing, or at two side ends of the boiler casing, or at one side end and the top end (or the bottom end) of the boiler casing, respectively, so that clean water is input from one end of the boiler casing and steam is output from the other end of the boiler casing. In addition, the water inlet pipe structure 200 and the steam outlet pipe structure 300 may be disposed at the same end of the boiler housing, such as at the top end, the bottom end, or a side end of the boiler housing. Also, in the present embodiment, the boiler case may be provided in a rectangular structure. In addition, the boiler housing may also be provided with other shape structures, such as a cylindrical structure, a conical structure, and the like, as required.

Furthermore, the water inlet pipe structure 200 may include a main water inlet pipe 210, and a plurality of branch water inlet pipes 220 connected to the main water inlet pipe 210, and a plurality of water inlet pipe heads 230 are connected to the plurality of branch water inlet pipes 220 in a one-to-one correspondence. The clean water is respectively delivered to the plurality of branch water inlet pipes 220 through the main water inlet pipe 210, and is respectively delivered to the plurality of water inlet pipe heads 230 through the plurality of branch water inlet pipes 220, so that the clean water is sprayed to the heated metal heating element 130 through the plurality of water inlet pipe heads 230, and the clean water is rapidly vaporized. Also, the steam outlet pipe structure 300 may include a main steam outlet pipe 310 connected to the steam outlet head 330, and a plurality of branch steam outlet pipes 320 connected to the main steam outlet pipe 310. The steam generated in the steam generating chamber 102 can be respectively conveyed to the plurality of branch steam outlet pipes 320 through the main steam outlet pipe 310, and the steam can be sprayed out from a plurality of positions through the plurality of branch steam outlet pipes 320, so that the sterilizing area is larger.

In this embodiment, the water inlet pipe structure 200 may include a main water inlet pipe 210, and two branch water inlet pipes 220 connected to the main water inlet pipe 210 through a tee; the number of the water inlet pipe heads 230 is also two, and the two branch water inlet pipes 220 are correspondingly connected with the two water inlet pipe heads 230. Further, a metal heat-generating body 130 is provided in the steam generating chamber 102. The two water inlet pipe heads 230 are respectively arranged at two sides of the boiler shell and can be in one-to-one correspondence with two ends of the metal heating body 130, so that clean water can be conveniently sprayed to the two ends of the metal heating body 130. Moreover, the main water inlet pipe 210 and the branch water inlet pipe 220 may be made of rubber pipes (e.g., high temperature resistant silicone pipes), and the water inlet pipe head 230 may be made of metal pipe head (e.g., stainless steel pipe head).

Moreover, one steam outlet head 330 may be provided, one main steam outlet pipe 310 may be provided, and two branch steam outlet pipes 320 may be provided, and one main steam outlet pipe 310 may be connected to the two branch steam outlet pipes 320 through one steam outlet tee. Furthermore, the end of each branch steam outlet pipe 320 can be provided with a steam outlet nozzle 340 which can be used for spraying high-temperature steam to the surface to be cleaned or/and the cleaning member. Moreover, the main steam outlet pipe 310, the branch steam outlet pipe 320 and the steam outlet nozzle 340 can be made of rubber pipes (such as plastic pipes), and the steam outlet pipe head can be made of metal pipe head (such as stainless steel pipe head).

In addition, more than two branch water inlet pipes 220 and more than two corresponding water inlet pipe heads 230 can be arranged according to the requirement; similarly, more than two branch steam outlet pipes 320 and more than two corresponding steam outlet nozzles 340 can also be arranged.

Further, the boiler housing may include a boiler outer shell 110. Moreover, the boiler casing 110 may include a casing bottom cover 112 and a casing top cover 114 covering the casing bottom cover 112, the steam generating chamber 102 is located between the casing bottom cover 112 and the casing top cover 114, and both the water inlet pipe head 230 and the steam outlet pipe head 330 may be inserted into the casing top cover 114. The boiler casing 120 has a casing bottom cover 112 and a casing top cover 114 which are closed together to form a steam generating chamber 102 therebetween, and a metal heating element 130 is enclosed in the boiler casing 110. In addition, the water inlet pipe head 230 and the steam outlet pipe head 330 can be inserted into the top or the side of the upper cover 114 of the casing, so that the outlet of the water inlet pipe head 230 is opposite to the metal heating element 130 in the steam generating chamber 102, and the clean water is sprayed on the metal heating element 130 through the water inlet pipe head 230.

In addition, in some embodiments, the boiler housing may further include an inner boiler shell 120 disposed in the outer boiler shell 110, the steam generating chamber 102 is disposed in the inner boiler shell 120, and the water inlet pipe head 230 and the steam outlet pipe head 330 are both disposed on the inner boiler shell 120 and are in communication with the steam generating chamber 102. The inner boiler casing 120 may form an inner boiler casing, and the outer boiler casing 110 may protect the inner filtering casing from the outside. At this time, the metal heating element 130 may be disposed in the steam generating chamber 102 of the inner shell 120 of the boiler, so that the clean water sprayed from the plurality of water inlet pipe heads 230 is sputtered onto the metal heating element 130 in the steam generating chamber 102 to vaporize the clean water.

Moreover, the boiler inner shell 120 may include an inner shell base 122 and an inner shell cover 124 covering the inner shell base 122, the steam generating chamber 102 is located between the inner shell base 122 and the inner shell cover 124, and the water inlet pipe head 230 and the steam outlet pipe head 330 are both disposed on the inner shell cover 124. The inner shell base 122 and the inner shell cover 124 of the inner boiler shell 120 are covered together, a steam generating chamber 102 is enclosed between the two, and the metal heating element 130 can be enclosed in the inner boiler shell 120. Similarly, the water inlet pipe head 230 and the steam outlet pipe head 330 can be inserted into the top or the side of the inner shell cover 124, so that the outlet of the water inlet pipe head 230 is opposite to the metal heating element 130 in the steam generating chamber 102, and the clean water is sprayed onto the metal heating element 130 through the water inlet pipe head 230. Moreover, the inner casing base 122 and the inner casing cover 124 can be connected into a whole, and have good sealing performance and no steam leakage.

Also, the inner housing base 122 may be provided as a metal housing. Also, in some embodiments, the metal heat generating body 130 and the inner case base 122 are provided as one body. The inner shell base 122 of the boiler inner shell 120 is set as a metal shell, and the metal heating element 130 and the inner shell base 122 are set as a whole, so that the inner shell base 122 can be directly heated, and then clean water is sprayed onto the inner shell base 122 through the water inlet pipe head 230, so that the clean water is vaporized in a short time, and steam is rapidly generated.

Further, in some embodiments, the boiler inner casing 120 may be integrally formed as a metal structure, so that the boiler inner casing 120 forms a metal liner, which is beneficial for steam generation and sealing and heat preservation.

In other embodiments, the inner casing cover 124 of the inner casing 122 of the boiler may be made of a refractory plastic structure (or a ceramic structure, etc.), and the inner casing base 122 may be made of a metal structure.

Furthermore, in other embodiments, the metal heat generating element 130 may be separately disposed in the steam generating chamber 102 and located on the inner shell base 122. The metal heating element 130 can be separated from the inner case base 122 and the inner case lid 124. In this case, the boiler inner casing 120 may be made of an all-metal structure or a partial-metal structure (e.g., the inner casing base or the inner casing cover is made of a metal structure).

In addition, in some embodiments, the metal heating element 130 may be a flat heating plate, and the outlets of the plurality of water inlet pipe headers 230 are all disposed opposite to the plate surface of the heating plate. That is, the metal heating element 130 can be formed into a flat plate-like structure, so that the contact area with the clean water can be increased, and the vaporization effect can be enhanced. The outlets of the water inlet pipe heads 230 are arranged opposite to the plate surface of the heating plate, so that the clear water is sprayed out of the plate surface of the heating plate, and the steam effect is improved.

In addition, in other embodiments, the metal heating element 130 can also be a block structure (such as a cylinder block, a square column block, etc.), a curved body (such as an arc plate), etc.

One or more metal heating elements 130 may be provided.

In addition, the boiler body 100 may include an inner insulation structure 140 provided at an outer side of the inner boiler casing 120, and the inner insulation structure 140 may be insulated and protected from the outside by being provided at the outer side of the inner boiler casing 120. Also, the inner insulation structure 140 includes inner upper and lower insulation panels 142 and 144 provided at the top and top of the outside of the inner boiler casing 120, respectively, and both the inner upper and lower insulation panels 142 and 144 are located in the outer boiler casing 110. I.e., insulated from the top and bottom of the inner casing 120 of the boiler by the inner upper insulation plate 142 and the inner lower insulation plate 144. In addition, the inner insulation structure 140 may also include an inner side insulation panel disposed at a side of the outer side of the boiler inner casing 120 to insulate and protect the boiler inner casing 120 from the side.

In addition, the boiler body 100 may further include an outer heat insulation structure provided at an outer side of the boiler casing 110, and the outer heat insulation structure may be also heat-insulated and protected from the outer side by being provided at the outer side of the boiler casing 110. Also, the outer insulation structure may include outer upper and lower insulation plates 152 and 154 provided at the top and top of the outside of the boiler casing 110, respectively. Similarly, insulation can be provided from the top and bottom of the boiler shell 110 by the outer upper insulation panels 152 and the outer lower insulation panels 154. Furthermore, the heat insulation boards can be made of heat insulation cotton or other heat insulation materials.

In addition, the boiler body 100 may include a thermostat 500 provided on the boiler main body. The temperature controller 500 may monitor and regulate the temperature of the steam in the steam generating chamber 102 of the boiler housing. It should be noted that the temperature controller is prior art and will not be described herein.

In addition, as shown in fig. 1, the present invention further provides a floor brush assembly 10, which comprises a floor brush main body 11, and the above boiler device 12 disposed on the floor brush main body 11. The floor brush assembly 10 provided with the boiler device 12 can rapidly output steam to sterilize and clean a surface to be cleaned by the steam.

In addition, as shown in fig. 1, the present invention also provides a cleaning device, which comprises a device body 20, and the above floor brush assembly 10 arranged on the device body 20. A clean water tank 22 is also provided on the machine body 20 for supplying clean water to the boiler arrangement 12 in the floor brush assembly 10.

The working principle of the cleaning equipment is as follows: clean water without impurities after filtration is loaded into the clean water tank 22, after the cleaning device is started, and after a steam cleaning function is started, the clean water in the clean water tank 22 can be conveyed into the main water inlet pipe 210 of the water inlet pipe structure 200 of the boiler device 12 through a small flow water pump, the clean water is divided into two small flows through a water inlet three-way, the small flows respectively enter the two branch water inlet pipes 220 and uniformly enter the two water inlet pipe heads 230, under the action of water pressure, the clean water is directly sprayed onto the metal heating element 130 in the steam generation cavity 103 from the outlet of the water inlet pipe heads 230 (the metal heating element 130 can be heated to a high temperature state through the electric heating component 400 in advance), steam is generated instantly, the steam can pass through the main steam outlet pipe 310 of the steam outlet pipe structure 300, the two flows of steam are divided through the steam outlet three-way, the two flows synchronously reach the two branch steam outlet pipes 320, and then pass through the two steam outlet nozzles 340, the steam is conveyed to the surface to be cleaned, and bacteria on the surface to be sterilized by high temperature steam.

In addition, in this embodiment, the cleaning device can be a floor washer, a floor mopping machine, a floor sweeping machine or a dust collector.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, a person skilled in the art can make changes or changes in other different forms without creative work, and all should belong to the protection scope of the present invention.

Claims (10)

1. A boiler arrangement, comprising:

a boiler body including a boiler housing having a steam generation chamber;

the water inlet pipe structure comprises a plurality of water inlet pipe heads arranged on the boiler shell, and the plurality of water inlet pipe heads are communicated with the steam generation cavity;

the steam outlet pipe structure comprises a steam outlet pipe head arranged on the boiler shell, and the steam outlet pipe head is communicated with the steam generation cavity; and (c) a second step of,

the electric heating assembly comprises a heating electrode arranged on the boiler shell;

wherein, the boiler body is including locating metal heat-generating body in the steam generation chamber, and is a plurality of the export of water pipe head all with metal heat-generating body corresponds the setting, heating electrode with metal heat-generating body connects.

2. The boiler apparatus according to claim 1, wherein the metal heat generating element is a flat plate-shaped heat generating plate, and the outlets of the plurality of water inlet pipe heads are provided so as to face the plate surface of the heat generating plate.

3. The boiler arrangement according to claim 1 or 2, characterized in that the boiler housing comprises a boiler outer shell;

the boiler shell comprises a shell bottom cover and a shell upper cover arranged on the shell bottom cover, the steam generation cavity is located between the shell bottom cover and the shell upper cover, and the water inlet pipe head and the steam outlet pipe head are arranged on the shell upper cover in a penetrating mode.

4. The boiler device according to claim 3, wherein the boiler shell comprises an inner boiler shell arranged in the outer boiler shell, the steam generation cavity is arranged in the inner boiler shell, and the water inlet pipe head and the steam outlet pipe head are both arranged on the inner boiler shell in a penetrating manner and are communicated with the steam generation cavity.

5. The boiler device according to claim 4, wherein the boiler inner shell comprises an inner shell base and an inner shell cover covering the inner shell base, the steam generation cavity is located between the inner shell base and the inner shell cover, and the water inlet pipe head and the steam outlet pipe head are both arranged on the inner shell cover in a penetrating manner.

6. The boiler arrangement according to claim 5, wherein the inner shell base is provided as a metal shell;

the metal heating element and the inner shell base are integrated; alternatively, the first and second electrodes may be,

the metal heating body is independently arranged in the steam generation cavity and is positioned on the base of the inner shell.

7. The boiler arrangement according to claim 4, wherein the boiler body comprises an inner insulation structure provided outside the inner boiler shell; the inner heat insulation structure comprises an inner upper heat insulation plate and an inner lower heat insulation plate which are respectively arranged at the top of the outer side of the boiler inner shell and the top of the inner shell, and the inner upper heat insulation plate and the inner lower heat insulation plate are both positioned in the boiler outer shell;

the boiler body comprises an outer heat insulation structure arranged on the outer side of the boiler shell; the outer heat insulation structure comprises an outer upper heat insulation plate and an outer lower heat insulation plate which are respectively arranged at the top of the outer side of the boiler shell and the top of the outer side of the boiler shell.

8. The boiler apparatus according to claim 1 or 2, wherein the water inlet pipe structure comprises a main water inlet pipe, and a plurality of branch water inlet pipes connected to the main water inlet pipe, wherein a plurality of the water inlet pipe heads are connected to the plurality of branch water inlet pipes in a one-to-one correspondence;

the steam outlet pipe structure comprises a main steam outlet pipe connected with the steam outlet pipe head and a plurality of branch steam outlet pipes connected with the main steam outlet pipe.

9. A floor brush assembly, comprising:

a floor brush body; and (c) a second step of,

the boiler arrangement according to any of claims 1-8, provided on the floor brush body.

10. A cleaning apparatus, comprising:

an equipment body; and the number of the first and second groups,

the floor brush assembly of claim 9, disposed on the appliance body.

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