Heat accumulating type electric steam generator

Abstract

The utility model belongs to the technical field of steam generators, and particularly relates to a heat accumulating type electric steam generator which comprises a shell, an electric heating pipe is arranged in an interlayer of the shell and filled with heat conduction liquid in a sealed mode, a heat insulation layer is arranged on the outer side of the shell, and a water inlet pipe is communicated with the top of the shell. The shell is in a barrel shape, and the bottom wall of the shell is in a hollow cone shape. Fixing frames are arranged at the bottom of the inner side wall of the inner cavity of the shell at equal intervals in a surrounding mode with the vertical axis of the shell as the center. The sleeve and the mounting plate are driven to ascend and descend in a reciprocating mode, scale on the inner wall of the shell is scraped off through the scraper, the lifting rod is driven to ascend and descend in the ascending and descending process of the mounting plate, when the lifting rod descends, water in the water tank enters the water storage bin in the mounting plate through the branch pipe and the corrugated pipe, and when the lifting rod ascends, the water in the water tank enters the water storage bin through the corrugated pipe. At the moment, the water body is further pushed to be pressurized and sprayed on the inner side wall of the shell from the water outlet holes, so that the inner wall of the shell is further washed and descaled.

Description

Technical Field

[0001] The utility model relates to the technical field of steam generators, in particular to a heat storage type electric steam generator. Background Art

[0002] An electric steam generator, also known as an electric boiler, is a micro boiler that uses electric heating to directly heat water / softened water into hot water or steam. It can automatically replenish water, heat, and continuously generate low-pressure / medium-pressure steam at the same time.

[0003] Most steam generators on the market generate steam by heating water. After a period of use, a layer of scale will form on the inner wall of the heater. The scale needs to be cleaned in time, otherwise it will easily damage the heater. Therefore, it is necessary to develop a heat storage electric steam generator. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0006] A thermal storage electric steam generator, comprising:

[0007] A shell, wherein an electric heating pipe is arranged in the interlayer of the shell itself and is sealed and filled with heat transfer liquid, an insulating layer is arranged on the outside of the shell, a water inlet pipe is arranged on the top of the shell, the shell is in a cylindrical shape and the bottom wall is in a hollow cone shape;

[0008] A fixing frame, the bottom of the inner wall of the inner cavity of the shell is surrounded by a fixing frame at equal intervals with the vertical axis of the shell as the center, a vertical reciprocating screw rod is rotatably arranged on the top of each fixing frame through a bearing seat, a driving assembly for driving all the reciprocating screw rods to rotate in the same direction at the same time is arranged on the top of the shell, each of the reciprocating screw rods is provided with a sleeve that moves up and down along the reciprocating screw rod body, and a mounting plate is commonly arranged on the outer side of the plurality of sleeves, and a scraper is protruding from the outer side wall of the mounting plate, and the side surface of the scraper is attached to the inner side wall of the shell;

[0009] A fixed cylinder, a vertical fixed cylinder is arranged at the center of the top wall of the shell, the top end of the fixed cylinder is connected to a water tank, the bottom wall of the water tank is opened with a water outlet connected to the fixed cylinder, the top end of the fixed cylinder is located at the bottom of the water outlet and a one-way valve plate arranged to rotate in one direction is arranged, the inner cavity of the fixed cylinder is slidingly and liftingly provided with a lifting rod, the bottom end of the lifting rod is located below the fixed cylinder and connected to the center of the top wall of the mounting plate, a branch pipe is arranged around the top end of the outer wall of the fixed cylinder, the other end of each branch pipe is located in the inner cavity of the shell and is connected to a bellows, the other end of the bellows is connected to the inner cavity of the mounting plate, a water storage bin connected to the bellows is arranged inside the mounting plate, and a plurality of water outlet holes connected to the water storage bin are arranged on the outer wall of the mounting plate.

[0010] As a preferred solution of the heat storage electric steam generator described in the utility model, wherein: a sewage pipe is connected to the center of the bottom of the shell, and a sewage valve is arranged on the sewage pipe.

[0011] As a preferred solution of the heat storage electric steam generator described in the utility model, wherein: a steam delivery pipe is connected to the top of the shell, and a delivery pipe valve is arranged on the steam delivery pipe.

[0012] As a preferred solution of a heat storage electric steam generator described in the utility model, the top end of each reciprocating screw rotates through the top wall of the shell through a sealed bearing, the driving assembly includes a sleeve arranged at the top end of the reciprocating screw, and an annular ring gear is rotatably arranged at the center of the top wall of the shell, and the teeth of the ring gear are meshed with the teeth of the follower gear.

[0013] As a preferred solution of a heat storage electric steam generator described in the utility model, a protective shell is arranged on the top of the shell, and the protective shell accommodates the annular gear and all the follower gears. The driving assembly also includes a motor arranged on the top of the protective shell. The output shaft of the motor rotates and passes through the top wall of the protective shell and is provided with a driving gear. The teeth of the driving gear are meshed with the teeth of the annular gear.

[0014] As a preferred solution of the heat storage electric steam generator described in the utility model, the top end of the lifting rod is located in the inner cavity of the fixed cylinder and is provided with a sealing block, and the sealing block is interference fit with the fixed cylinder.

[0015] As a preferred solution of the heat storage electric steam generator described in the utility model, the front surface of the water tank is provided with a visual window, the top of the water tank is connected to a water injection pipe, and the top of the water injection pipe is provided with a sealing plug.

[0016] The beneficial effect of the utility model is that after the driving gear is driven to rotate by the motor, the annular gear drives all the follower gears to rotate, thereby driving all the reciprocating screw rods to rotate in the same direction at the same time, that is, the sleeve and the mounting plate can be driven to lift and reciprocate, and the scale on the inner wall of the shell is scraped off by the scraper. During the lifting process of the mounting plate, the lifting rod is driven to lift and reciprocate. When the lifting rod descends, the pressure inside the fixed cylinder opens the one-way valve plate downward, and the water inside the water tank enters the water storage tank inside the mounting plate through the branch pipe and the bellows. When the lifting rod rises, the one-way valve plate will be closed, and the water pressure is further pushed to spray from the water outlet onto the inner wall of the shell, thereby further flushing and descaling the inner wall of the shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the internal components of the housing of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the internal components of the protective shell of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the internal components of the fixed cylinder cross section of the utility model when viewed from above;

[0022] Figure 5 It is a schematic diagram of the structure of the fixed cylinder, water tank, lifting rod, branch pipe and bellows of the utility model.

[0023] In the figure: shell 100, water inlet pipe 110, sewage pipe 120, sewage valve 130, steam delivery pipe 140, delivery pipe valve 150, support leg 160, base 170, fixed frame 200, reciprocating screw 210, sleeve 220, mounting plate 230, scraper 240, follower gear 250, ring gear 260, protective shell 270, motor 280, driving gear 290, fixed cylinder 300, water tank 310, water outlet 320, one-way valve plate 330, lifting rod 340, sealing block 350, branch pipe 360, bellows 370, water outlet hole 380, visual window 390. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0026] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general scale, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0027] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0028] See also Figure 1-Figure 5 , shows a schematic diagram of the structure of a heat storage electric steam generator embodiment of the utility model, please refer to Figure 1-Figure 5 , a heat storage electric steam generator is introduced in detail.

[0029] A heat storage electric steam generator comprises a shell 100, wherein an electric heating pipe is arranged in the interlayer of the shell 100 itself and is sealed and filled with heat transfer fluid, wherein the electric heating pipe is connected to an external controller and a power supply, and after the electric heating pipe is heated, the temperature of the heat transfer fluid is increased, thereby heating the water inside the shell 100, and an insulation layer is arranged on the outer side of the shell 100, and the provided insulation improves the overall heat storage capacity of the shell 100; a water inlet pipe 110 is arranged at the top of the shell 100, and the shell 100 is in the shape of a cylinder and the bottom wall is in the shape of a hollow cone;

[0030] It should be noted that the electric heating pipe is designed in the inner cavity of the shell 100 itself, rather than in the inner cavity of the area enclosed by the shell 100, and the electric heating pipe is not shown in the figure; and the mounting plate 230 is arranged in the area enclosed by the shell 100, and the mounting plate 230 will not come into any contact with the electric heating pipe when it is raised or lowered.

[0031] The bottom of the inner wall of the inner cavity of the shell 100 is surrounded by a fixed frame 200 at equal intervals with the vertical axis of the shell 100 as the center. A vertical reciprocating screw 210 is rotatably arranged on the top of each fixed frame 200 through a bearing seat. A driving assembly for driving all the reciprocating screws 210 to rotate in the same direction at the same time is arranged on the top of the shell 100. A sleeve 220 that moves up and down along the shaft of the reciprocating screw 210 is arranged on each reciprocating screw 210. A mounting plate 230 is commonly arranged on the outer side of the plurality of sleeves 220. A scraper 240 is protruding from the outer wall of the mounting plate 230, and the side surface of the scraper 240 is attached to the inner wall of the shell 100.

[0032] A vertical fixed cylinder 300 is arranged at the center of the top wall of the housing 100, the top of the fixed cylinder 300 is connected to a water tank 310, the bottom wall of the water tank 310 is opened with a water outlet 320 connected to the fixed cylinder 300, the top of the fixed cylinder 300 is located at the bottom of the water outlet 320 and a one-way valve plate 330 is arranged to rotate in one direction, the inner cavity of the fixed cylinder 300 is provided with a lifting rod 340 for sliding and lifting, the bottom end of the lifting rod 340 is located below the fixed cylinder 300 and is connected to the installation At the center of the top wall of the mounting plate 230, a branch pipe 360 ​​is arranged around the top of the outer wall of the fixing cylinder 300, and the other end of each branch pipe 360 ​​is located in the inner cavity of the shell 100 and is connected to a bellows 370. The other end of the bellows 370 is connected to the inner cavity of the mounting plate 230. A water storage tank connected to the bellows 370 is arranged inside the mounting plate 230, and the water storage tank is not shown in the figure. The outer wall of the mounting plate 230 is provided with a plurality of water outlet holes 380 connected to the water storage tank.

[0033] Furthermore, a sewage pipe 120 is connected to the center of the bottom of the shell 100 , and a sewage valve 130 is provided on the sewage pipe 120 . The sewage pipe 120 is used to discharge waste water inside the shell 100 .

[0034] Furthermore, a steam delivery pipe 140 is connected to the top of the shell 100 , and a delivery pipe valve 150 is provided on the steam delivery pipe 140 . The steam delivery pipe 140 is used to discharge steam after the water inside the shell 100 is heated.

[0035] Furthermore, the top of each reciprocating screw 210 rotates through the top wall of the housing 100 through a sealed bearing, and the drive assembly includes a sleeve 220 arranged at the top of the reciprocating screw 210. The top wall center of the housing 100 is rotatably provided with an annular ring gear 260, and the teeth of the ring gear 260 are meshed with the teeth of the follower gear 250. The top of the housing 100 is provided with a protective shell 270, and the protective shell 270 accommodates the ring gear 260 and all the follower gears 250. The drive assembly also includes There is a motor 280 arranged on the top of the protective shell 270. The output shaft of the motor 280 rotates and passes through the top wall of the protective shell 270 and is provided with a driving gear 290. The teeth of the driving gear 290 are meshed with the teeth of the annular gear 260. After the driving gear 290 is driven by the motor 280 to rotate, the annular gear 260 drives all the follower gears 250 to rotate, thereby driving all the reciprocating screw rods 210 to rotate in the same direction at the same time, that is, it can drive the sleeve 220 and the mounting plate 230 to reciprocate and rise and fall.

[0036] Furthermore, the top end of the lifting rod 340 is located in the inner cavity of the fixed cylinder 300 and is provided with a sealing block 350 . The sealing block 350 is interference fit with the fixed cylinder 300 . By providing the sealing block 350 , the sealing performance of the connection between the fixed cylinder 300 and the lifting rod 340 is increased.

[0037] Furthermore, a visual window 390 is provided on the front surface of the water tank 310, and a water injection pipe is provided on the top of the water tank 310. A sealing plug is provided on the top of the water injection pipe. When scale needs to be scraped off, water is added to the water tank 310 through the water injection pipe. The water can be a cleaning liquid that can easily dissolve scale, and the water level can be checked through the visual window 390.

[0038] During specific use, after the motor 280 drives the driving gear 290 to rotate, the annular gear 260 drives all the follower gears 250 to rotate, thereby driving all the reciprocating screw rods 210 to rotate in the same direction at the same time, that is, it can drive the sleeve 220 and the mounting plate 230 to reciprocate and lift, and the scale on the inner wall of the shell 100 is scraped off by the scraper 240. During the lifting process of the mounting plate 230, the lifting rod 340 drives the lifting rod 340 to lift and lift reciprocally. When the lifting rod 340 descends, the pressure inside the fixed cylinder 300 opens the one-way valve plate 330 downward, and the water inside the water tank 310 enters the water storage tank inside the mounting plate 230 through the branch pipe 360 ​​and the bellows 370. When the lifting rod 340 rises, the one-way valve plate 330 will be closed, and the water pressure is further pushed to spray from the water outlet 380 onto the inner wall of the shell 100, thereby further flushing and descaling the inner wall of the shell 100.

[0039] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A thermal storage electric steam generator, characterized in that: include: A shell (100), wherein an electric heating pipe is arranged in the interlayer of the shell (100) and is sealed and filled with heat transfer liquid, a heat insulation layer is arranged on the outside of the shell (100), a water inlet pipe (110) is arranged on the top of the shell (100), and the shell (100) is in a cylindrical shape and the bottom wall is in a hollow cone shape; A fixing frame (200), the fixing frames (200) are arranged around the bottom of the inner wall of the inner cavity of the shell (100) at equal intervals with the vertical axis of the shell (100) as the center, a vertical reciprocating screw (210) is rotatably arranged on the top of each fixing frame (200) through a bearing seat, a driving assembly for driving all the reciprocating screws (210) to rotate in the same direction at the same time is arranged on the top of the shell (100), each of the reciprocating screws (210) is provided with a sleeve (220) that moves up and down along the shaft of the reciprocating screw (210), and a mounting plate (230) is commonly arranged on the outer side of the plurality of sleeves (220), and a scraper (240) is protrudingly arranged on the outer side wall of the mounting plate (230), and the side surface of the scraper (240) is attached to the inner side wall of the shell (100); The fixed cylinder (300) is provided with a vertical fixed cylinder (300) at the center of the top wall of the housing (100); the top end of the fixed cylinder (300) is connected to a water tank (310); the bottom wall of the water tank (310) is provided with a water outlet (320) connected to the fixed cylinder (300); the top end of the fixed cylinder (300) is located at the bottom of the water outlet (320) and is provided with a one-way valve plate (330) that is rotatable in one direction; the inner cavity of the fixed cylinder (300) is provided with a lifting rod (340) that is slidable and liftable; the bottom end of the lifting rod (340) is located at the fixed cylinder The fixing tube (300) is located below the fixing tube (300) and is connected to the center of the top wall of the mounting plate (230). A branch pipe (360) is arranged around the top of the outer wall of the fixing tube (300). The other end of each branch pipe (360) is located in the inner cavity of the shell (100) and is connected to a bellows (370). The other end of the bellows (370) is connected to the inner cavity of the mounting plate (230). A water storage tank connected to the bellows (370) is arranged inside the mounting plate (230). The outer wall of the mounting plate (230) is provided with a plurality of water outlet holes (380) connected to the water storage tank.

2. A thermal storage electric steam generator according to claim 1, characterized in that: A sewage discharge pipe (120) is provided in communication with the center of the bottom of the housing (100), and a sewage discharge valve (130) is provided on the sewage discharge pipe (120).

3. A thermal storage electric steam generator according to claim 1, characterized in that: The top of the shell (100) is connected to a steam delivery pipe (140), and a delivery pipe valve (150) is provided on the steam delivery pipe (140).

4. A thermal storage electric steam generator according to claim 1, characterized in that: The top end of each reciprocating screw (210) rotates through the top wall of the housing (100) via a sealed bearing, and the driving assembly includes a sleeve (220) arranged at the top end of the reciprocating screw (210). An annular ring gear (260) is rotatably arranged at the center of the top wall of the housing (100), and the teeth of the annular gear (260) are meshed with the teeth of the follower gear (250).

5. A thermal storage electric steam generator according to claim 4, characterized in that: A protective shell (270) is provided on the top of the housing (100), and the protective shell (270) accommodates the annular gear (260) and all the follower gears (250). The driving assembly also includes a motor (280) provided on the top of the protective shell (270), and the output shaft of the motor (280) rotates and penetrates the top wall of the protective shell (270) and is provided with a driving gear (290), and the teeth of the driving gear (290) are meshed with the teeth of the annular gear (260).

6. The heat storage electric steam generator according to claim 1, characterized in that: The top end of the lifting rod (340) is located in the inner cavity of the fixed cylinder (300) and is provided with a sealing block (350), and the sealing block (350) is interference-fitted with the fixed cylinder (300).

7. The thermal storage electric steam generator according to claim 1, characterized in that: The front surface of the water tank (310) is provided with a visual window (390), and the top of the water tank (310) is connected to a water injection pipe, and the top end of the water injection pipe is provided with a sealing plug.

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