Electric heating steam boiler

Abstract

The utility model discloses an electric heating steam boiler, and relates to the field of steam boilers. The electric heating steam boiler comprises a boiler outer shell, an improved electric heating assembly is arranged in the boiler outer shell, and the improved electric heating assembly comprises a concentric-square-shaped water tank, a sheet-shaped steam generation chamber and a plurality of water inlet electromagnetic valves. According to the electric heating steam boiler, rapid heating is achieved through the multiple sheet-shaped steam generating chambers to generate steam, meanwhile, in the whole process, the multiple sheet-shaped steam generating chambers are wrapped by the concentric-square-shaped water tank, heat diffused outwards is recycled and used for preheating inlet water, meanwhile, the corresponding number of electric heating pipes are started through the control switch according to the needed amount of steam, and the steam is heated through the electric heating pipes. And meanwhile, the water inlet electromagnetic valve is used for supplying water to the interior of the started sheet-shaped steam generation chamber, so that the steam rate can be adaptively adjusted according to requirements, steam generation is accelerated, and meanwhile heat waste is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to steam boiler technical field, concretely is a kind of electric heating steam boiler. BACKGROUND

[0002] Compared with traditional fuel steam boiler, the electric heating steam boiler uses electric heating method to generate steam, which is safe, stable and pollution-free.

[0003] However, the existing electric heating steam boiler usually sets up electric heating pipe in steam generation chamber, and generates steam by heating water with electric heating pipe. In the existing scheme, the number of steam generation chambers is usually set to 1-4 groups, which makes the steam generation chamber space large, the electric heating speed slow, the steam generation time long, and it is not convenient to adjust the steam rate according to the demand. At the same time, the heat in the steam generation chamber will spread outward, causing heat waste. Therefore, an electric heating steam boiler is provided to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides an electric heating steam boiler, which solves the problem that in the existing scheme, the number of steam generation chambers is usually set to 1-4 groups, which makes the steam generation chamber space large, the electric heating speed slow, the steam generation time long, and it is not convenient to adjust the steam rate according to the demand. At the same time, the heat in the steam generation chamber will spread outward, causing heat waste.

[0005] To achieve the above purpose, the utility model is realized by the following technical scheme: an electric heating steam boiler, comprising a boiler outer shell, an improved electric heating assembly is arranged in the inside of the boiler outer shell, the improved electric heating assembly comprises;

[0006] The meandering water tank is arranged on the inner wall of the boiler outer shell, and a rectangular cavity is formed in the middle of the meandering water tank.

[0007] The sheet-shaped steam generation chambers are arranged in parallel in the rectangular cavity, and are tightly attached between the multiple sheet-shaped steam generation chambers and the inner wall of the rectangular cavity.

[0008] Multiple water inlet electromagnetic valves are installed between the multiple sheet-shaped steam generation chambers and the meandering water tank, respectively, for independently controlling the water inlet of each group of sheet-shaped steam generation chambers.

[0009] The meandering water tank wraps the outside of the sheet-shaped steam generation chamber to realize waste heat recovery for water preheating.

[0010] Preferably, a sealing box cover is installed on the top of the boiler outer shell, and a steam output mechanism is installed on the top of the sealing box cover.

[0011] Preferably, the steam output mechanism comprises;

[0012] The steam exhaust pipe is fixed through the sealing box cover;

[0013] The pressure relief valve, the pressure gauge and the steam connection flange are fixedly installed on the steam exhaust pipe and are sequentially arranged.

[0014] Preferably, the inner top of the boiler outer shell body is provided with a water vapor separator, the bottom end of the steam exhaust pipe is connected with the water vapor separator, and the water vapor separator and the plurality of sheet-shaped steam generating chambers are provided with steam communication pipes.

[0015] Preferably, the sheet-shaped steam generating chamber is internally provided with an electric heating pipe, one end of the electric heating pipe is provided with an electric connection head, the outer wall of the boiler outer shell body is provided with a control switch, and the control switch is in control connection with the plurality of electric connection heads.

[0016] Preferably, the water vapor separator is respectively provided with a water return pipe between the two sides and the U-shaped water tank.

[0017] Preferably, the side surface of the boiler outer shell body is provided with a water inlet filter, and the water inlet filter is connected with the U-shaped water tank.

[0018] The utility model discloses an electric heating steam boiler, which has the following beneficial effects: a plurality of sheet-shaped steam generating chambers are designed, rapid heating is realized through the plurality of sheet-shaped steam generating chambers to generate steam, the steam is separated through a water vapor separator, the steam is discharged outward through a steam connection flange to realize steam output, the U-shaped water tank wraps the plurality of sheet-shaped steam generating chambers in the whole process to recycle the heat diffused outward and preheat the water inlet, the corresponding number of electric heating pipes is started through a control switch according to the required amount of steam, the water inlet electromagnetic valve supplies water to the inside of the started sheet-shaped steam generating chamber, the steam speed can be adaptively adjusted according to the requirement, the steam generation is accelerated, and the heat waste is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 It is a whole outer surface structure schematic view of the utility model;

[0021] Figure 2 It is a boiler outer shell body internal structure sectional view of the utility model;

[0022] Figure 3 It is the internal structure section view of the water vapor separator of the utility model;

[0023] Figure 4 It is the internal structure section view of the sheet-shaped steam generating chamber of the utility model.

[0024] In the figure: 1, boiler outer shell; 12, sealing box cover; 13, control switch; 14, water inlet filter; 2, steam output mechanism; 21, steam exhaust pipe; 22, pressure relief valve; 23, pressure gauge; 24, steam connection flange; 3, improved electric heating assembly; 31, water tank; 32, sheet-shaped steam generating chamber; 33, electric heating tube; 34, steam communication pipe; 35, water inlet electromagnetic valve; 36, electric connection head; 4, water vapor separator; 42, backwater pipe. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments of the utility model is clearly and completely described, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0026] The electric heating steam boiler provided in the embodiments of the application solves the problem in the prior art that the number of steam generating chambers is usually set to 1-4 groups, which makes the steam generating chamber space large, the electric heating speed slow, leads to long steam generating time, and is inconvenient for adjusting the steam speed according to the demand, and meanwhile the heat in the steam generating chamber is diffused outward, causing heat waste.

[0027] In order to better understand the above technical scheme, the above technical scheme will be described in detail in combination with the drawings of the specification and specific embodiments.

[0028] The utility model discloses an electric heating steam boiler.

[0029] Embodiment one,

[0030] According to the drawings Figures 1-4 As shown, it comprises a boiler outer shell 1, the inside of the boiler outer shell 1 is provided with an improved electric heating assembly 3, and the improved electric heating assembly 3 comprises;

[0031] The water tank 31 is arranged on the inner wall of the boiler outer shell 1, and a rectangular cavity is formed in the middle of the water tank 31;

[0032] The sheet-shaped steam generating chamber 32 is arranged in parallel in the rectangular cavity, and is tightly attached between the multiple sheet-shaped steam generating chambers 32 and the inner wall of the rectangular cavity;

[0033] A plurality of water inlet electromagnetic valves 35 are installed between the plurality of sheet-shaped steam generating chambers 32 and the back-shaped water tank 31 respectively, for independently controlling the water inlet of each group of sheet-shaped steam generating chambers 32;

[0034] The back-shaped water tank 31 wraps the outside of the sheet-shaped steam generating chamber 32 to realize waste heat recovery for preheating water inlet.

[0035] The top of the boiler outer shell 1 is provided with a sealing tank cover 12, and the top of the sealing tank cover 12 is provided with a steam output mechanism 2.

[0036] The steam output mechanism 2 comprises;

[0037] A steam exhaust pipe 21 is fixedly penetrated through the sealing tank cover 12;

[0038] A pressure relief valve 22, a pressure gauge 23 and a steam connection flange 24 are all fixedly installed on the steam exhaust pipe 21 and arranged in sequence.

[0039] The inner top of the boiler outer shell 1 is provided with a water vapor separator 4, the bottom end of the steam exhaust pipe 21 is connected with the water vapor separator 4, and the plurality of sheet-shaped steam generating chambers 32 and the water vapor separator 4 are both provided with a steam communication pipe 34.

[0040] The back-shaped water tank 31 is connected with the water vapor separator 4 through a backwater pipe 42.

[0041] The side of the boiler outer shell 1 is provided with a water inlet filter 14, and the water inlet filter 14 is connected with the back-shaped water tank 31.

[0042] In this embodiment, the device is designed by a plurality of sheet-shaped steam generating chambers 32, which realizes rapid heating to generate steam. After the steam is separated by the water vapor separator 4, the steam is discharged outward through the steam connection flange 24 for steam output. At the same time, the back-shaped water tank 31 wraps the plurality of sheet-shaped steam generating chambers 32 to recover the heat diffused outward for preheating water inlet, thereby accelerating steam generation and avoiding heat waste.

[0043] Example two,

[0044] According to the drawings Figures 1-4 It is more specific that the inside of the sheet-shaped steam generating chamber 32 is provided with an electric heating pipe 33, one end of the electric heating pipe 33 is provided with an electric connection head 36, the outer wall of the boiler outer shell 1 is provided with a control switch 13, and the control switch 13 is in control connection with the plurality of electric connection heads 36.

[0045] In the embodiment, in use, the corresponding number of electric heating tubes 33 are started by controlling switch 13 according to the required amount of steam, and the inside of the started sheet-shaped steam generating chamber 32 is supplied with water by using water inlet electromagnetic valve 35, so that the steam speed can be adaptively adjusted according to the requirement.

[0046] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An electrically heated steam boiler comprising a boiler outer casing (1), characterised in that, The inside of the boiler shell (1) is provided with an improved electric heating assembly (3), which comprises; A meandering water tank (31) is arranged on the inner wall of the boiler shell (1), and a rectangular cavity is formed in the middle of the meandering water tank (31); A plurality of sheet-shaped steam generating chambers (32) are arranged in parallel in the rectangular cavity, and are tightly attached between the plurality of sheet-shaped steam generating chambers (32) and the inner wall of the rectangular cavity; A plurality of water inlet electromagnetic valves (35) are respectively installed between the plurality of sheet-shaped steam generating chambers (32) and the meandering water tank (31) for independently controlling the water inlet of each group of sheet-shaped steam generating chambers (32); The meandering water tank (31) wraps the outside of the sheet-shaped steam generating chamber (32) to realize waste heat recovery for water preheating.

2. An electrically heated steam boiler according to claim 1, characterised in that: A sealing tank cover (12) is installed on the top of the boiler shell (1), and a steam output mechanism (2) is installed on the top of the sealing tank cover (12).

3. An electrically heated steam boiler according to claim 2, characterised in that: The steam output mechanism (2) comprises; A steam exhaust pipe (21) is fixedly penetrated through the sealing tank cover (12); A pressure relief valve (22), a pressure gauge (23) and a steam connection flange (24) are fixedly installed on the steam exhaust pipe (21) and arranged in sequence.

4. An electrically heated steam boiler according to claim 3, characterised in that: A water vapor separator (4) is installed on the inner top of the boiler shell (1), the bottom end of the steam exhaust pipe (21) is connected with the water vapor separator (4), and a plurality of steam communication pipes (34) are installed on the sheet-shaped steam generating chambers (32) and the water vapor separator (4).

5. An electrically heated steam boiler as claimed in claim 1, characterized in that: An electric heating pipe (33) is installed in the sheet-shaped steam generating chamber (32), one end of the electric heating pipe (33) is provided with an electric connector (36), an outer wall of the boiler shell (1) is provided with a control switch (13), and the control switch (13) is connected with a plurality of electric connectors (36).

6. An electrically heated steam boiler according to claim 4, characterised in that: A water return pipe (42) is respectively installed between the two sides of the water vapor separator (4) and the meandering water tank (31).

7. An electrically heated steam boiler as claimed in claim 1, characterized in that: An inlet water filter (14) is installed on the side of the boiler shell (1), and the inlet water filter (14) is connected with the meandering water tank (31). An inlet water filter (14) is installed on the side of the boiler shell (1), and the inlet water filter (14) is connected with the meandering water tank (31).

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