Electric heating type steam generating device

Abstract

The utility model discloses an electric heating type steam generating device which comprises a square box and a steam generator arranged in the square box. The steam generator comprises a water tank and an electric heating assembly; the water tank is arranged in the square box; a water inlet pipe is arranged at the bottom of the water tank; the top of the water tank is connected with a steam outlet nozzle; the water tank comprises a heating box and an exhaust pipe; the electric heating assembly is arranged in the heating box; the utility model solves the problems that the existing electric heating steam generator generally adopts a vertical kettle body structure, a heating pipe is transversely arranged at the lower half part of the vertical kettle body, and the vertical upper half part as a steam chamber cannot meet the requirement of a small-volume steam generator and cannot meet the requirement of evaporation capacity.

Description

Technical Field

[0001] The utility model relates to the technical field of steam generation, in particular to an electric heating type steam generation device. Background Art

[0002] The electric heating steam generator is a clean energy thermal energy device that uses electricity to heat water to generate steam. It is a small electric heating steam boiler. As a zero-emission thermal energy device, it has a high degree of automation and is easy to operate. It is widely used in food, catering, biology, medicine and other industries. At present, the electric heating steam generator generally adopts a vertical kettle structure, and the heating tube is placed horizontally in the lower half of the vertical kettle, and the vertical upper half is used as the steam chamber. However, due to the limited layout size of the heating tube, the total input heat power of the steam generator is small and the evaporation capacity is limited. In addition, in order to meet the market needs of steam generators with a volume of less than 30L, the existing vertical kettle structure has a consistent inner diameter of the upper and lower parts, which occupies a large space, and the unreasonable setting of the heating tube makes it impossible to meet the evaporation requirements while reducing the volume. Utility Model Content

[0003] The utility model aims to solve the problem that the current electric heating steam generator generally adopts a vertical kettle structure, the heating tube is horizontally placed in the lower half of the vertical kettle, and the vertical upper half is used as a steam chamber, which cannot meet the needs of a small-volume steam generator and cannot meet the requirements of evaporation capacity, and provides an electric heating steam generating device.

[0004] The purpose of the utility model is achieved through the following technical solutions: an electrically heated steam generating device, comprising a square box and a steam generator arranged in the square box; the steam generator comprises a water tank and an electric heating component; the water tank is arranged in the square box; a water inlet pipe is arranged at the bottom of the water tank; a steam outlet nozzle is connected to the top of the water tank; the water tank comprises a heating box and an exhaust pipe; the electric heating component is arranged in the heating box;

[0005] Furthermore, the heating box is located at the lower part of the water tank; the cross section of the heating box is circular; the electric heating assembly includes a plurality of independent electric heating tubes which are distributed in the heating box at intervals;

[0006] Furthermore, the electric heating tube includes a heating tube and a terminal; the heating tube is located in the heating box; the terminal extends out of the heating box and is located in the square box;

[0007] Furthermore, an energy saver is provided on the top of the water tank; the bottom of the energy saver is connected to the water inlet pipe through a drain pipe;

[0008] Furthermore, the energy saver is provided with a first connecting flange and a second connecting flange;

[0009] A further technical solution is that a first water level detector is arranged on the exhaust pipe at the upper part of the water tank; and a second water level detector is arranged on the heating box at the lower part of the water tank.

[0010] The utility model has the following advantages:

[0011] 1. The electric heating steam generating device of the utility model reasonably arranges the structure of the steam generator, divides the conventional integrated kettle-type water tank into a heating tank and an exhaust pipe, reduces the volume of the water tank to less than 30L, has a working pressure of 1.6MPa, and a rated evaporation capacity of 200kg, which meets the needs of the market; the steam generator is arranged in a square box, which is convenient for protection and installation, and improves thermal insulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] Figure 2 It is a structural schematic diagram of the utility model from one viewing angle.

[0014] Figure 3 It is a structural schematic diagram of the utility model from another perspective.

[0015] Figure 4 It is a structural schematic diagram of the electric heating tube.

[0016] In the figure: 1. square box; 2. water tank; 21. heating box; 22. exhaust pipe; 3. electric heating component; 4. electric heating tube; 41. heating tube; 42. terminal; 5. water inlet pipe; 6. steam outlet nozzle; 7. economizer; 8. drain pipe; 9. first connecting flange; 10. second connecting flange; 11. first water level detector; 12. second water level detector. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0018] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0019] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features thereof may be combined with each other.

[0020] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0021] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use, or the positions or positional relationships commonly understood by those skilled in the art, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] Example 1: Figures 1 to 4As shown, an electrically heated steam generating device comprises a square box 1 and a steam generator arranged in the square box 1; the steam generator comprises a water tank 2 and an electric heating component 3; the water tank 2 is arranged in the square box 1; a water inlet pipe 5 is arranged at the bottom of the water tank 2; a steam outlet nozzle 6 is connected to the top of the water tank 2; the water tank 2 comprises a heating box 21 and an exhaust pipe 22; the electric heating component 3 is arranged in the heating box 21; in this embodiment, the square box 1 and the water tank 2 are made of conventional materials with a certain mechanical strength, and any material can be selected according to needs; in this embodiment, the water inlet pipe 5 extends out of the square box 1 to facilitate external water source; in this embodiment, the exhaust pipe 22 is arranged at the top of the heating box 21, rather than a kettle-type structure with consistent upper and lower inner diameters, which is conducive to reducing the volume. In this embodiment, a conventional control valve is arranged on the water inlet pipe 5; in this embodiment, a drain pipe 8 can also be arranged at the bottom of the water tank 2, and drainage can also be carried out when the water level is high. The electric heating steam generating device of the utility model reasonably arranges the structure of the steam generator, divides the conventional integrated kettle-type water tank 2 into a heating box 21 and an exhaust pipe 22, so that the volume of the water tank 2 is reduced to less than 30L, meeting the needs of the market; the steam generator is arranged in the square box 1, which is convenient for protection and installation, and improves the thermal insulation.

[0024] The heating box 21 is located at the lower part of the water tank 2; the cross-section of the heating box 21 is circular; the electric heating assembly 3 includes a plurality of independent electric heating tubes 4 which are distributed at intervals in the heating box 21; in this embodiment, the cross-section of the heating box 21 is circular, which is beneficial for evenly dividing the electric heating tubes 4 in the radial direction, which is beneficial for improving the heating efficiency and the evaporation amount.

[0025] The electric heating tube 4 includes a heating tube 41 and a terminal 42; the heating tube 41 is located in the heating box 21; the terminal 42 extends out of the heating box 21 and is located in the square box 1; in this embodiment, the heating tube 41 of the electric heating tube 4 is arranged in the heating box 21, which is conducive to heating the water in the heating box 21 to generate steam, and the terminal 42 extends out of the heating box 21 and is located in the square box 1, which is conducive to wiring in the square box 1 and improving the safety of the line.

[0026] An economizer 7 is also provided on the top of the water tank 2; the bottom of the economizer 7 is connected to the water inlet pipe 5 via a drain pipe 8; in this embodiment, the economizer 7 is helpful in cooling the steam when the temperature is high, the exhaust pipe 22 on the top of the water tank 2 passes through the economizer 7, a coil can be provided inside the economizer 7, a cooling medium flows through the coil, and the cooling medium can be used in other places after being heated in the economizer 7, thereby achieving the effect of heat energy recycling; the condensed water generated in the economizer 7 can enter the water inlet pipe 5 through the drain pipe 8 as water supplement.

[0027] The energy saver 7 is provided with a first connecting flange 9 and a second connecting flange 10 . In this embodiment, the first connecting flange 9 and the second connecting flange 10 are used for the cooling medium to enter and exit the energy saver 7 .

[0028] A first water level detector 11 is arranged on the exhaust pipe 22 at the upper part of the water tank 2; a second water level detector 12 is arranged on the heating box 21 at the lower part of the water tank 2; the first water level detector 11 and the second water level detector 12 are used to detect the high and low water level limits in the water tank 2 to avoid dry boiling when the water level is low, or danger when the water level is high; in this embodiment, the first water level detector and the second water level detector 12 are conventional commercially available products, and any water level detector structure and appropriate connection and installation method can be selected according to needs.

[0029] The steam-water separator is also provided with a pressure relief valve and a pressure gauge. In the present embodiment, the pressure relief valve and the pressure gauge are conventional commercially available products, and any model structure and appropriate connection and installation method can be selected according to needs. The pressure is detected and released by the pressure relief valve and the pressure gauge to ensure safety.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An electrically heated steam generating device, characterized in that: It comprises a square box and a steam generator arranged in the square box; the steam generator comprises a water tank and an electric heating component; the water tank is arranged in the square box; a water inlet pipe is arranged at the bottom of the water tank; a steam outlet nozzle is connected to the top of the water tank; the water tank comprises a heating box and an exhaust pipe; the electric heating component is arranged in the heating box.

2. The electrically heated steam generating device according to claim 1, characterized in that: The heating box is located at the lower part of the water tank; the cross section of the heating box is circular; the electric heating assembly includes a plurality of independent electric heating tubes which are distributed at intervals in the heating box.

3. The electrically heated steam generating device according to claim 2, characterized in that: The electric heating tube comprises a heating tube and a connecting terminal; the heating tube is located in a heating box; the connecting terminal extends out of the heating box and is located in the square box.

4. The electrically heated steam generating device according to claim 1, characterized in that: An energy saver is also arranged on the top of the water tank; the bottom of the energy saver is connected with the water inlet pipe through a drain pipe.

5. The electrically heated steam generating device according to claim 4, characterized in that: The energy saver is provided with a first connecting flange and a second connecting flange.

6. The electrically heated steam generating device according to claim 1, characterized in that: A first water level detector is arranged on the exhaust pipe at the upper part of the water tank; and a second water level detector is arranged on the heating box at the lower part of the water tank.

Images