Electric steam generator
By combining a tankless design with a water-vapor separation module, the problems of large size and low thermal efficiency of steam generators are solved, achieving miniaturization of the equipment and efficient steam output.
Patent Information
- Application Number
- CN202520993863.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-20
- Publication Date
- 2026-04-14
- Estimated Expiration
- 2035-05-20
AI Technical Summary
Existing steam generators are bulky, difficult to install, and cannot effectively utilize the water separated in the vapor-liquid separation chamber, resulting in low thermal efficiency.
It adopts a tankless design, combining a water vapor separation module, an electric heating module, a first delivery pump and a control module. It uses a water level sensor to control the water level to keep it constant, realizing water vapor separation and recycling. A high-pressure vortex pump and an internal heat pump are used for water delivery and heating.
It reduces equipment size, facilitates installation, improves thermal efficiency, achieves efficient separation and recycling of water vapor, and ensures stable steam output.
Smart Images

Figure CN224121214U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of steam equipment technology, specifically to an electric steam generator. Background Technology
[0002] A steam generator is a device that heats water to certain parameters and produces high-temperature steam. As a major heat source and power source in industry, steam generators are widely used in various industrial environments.
[0003] Utility model patent CN204388023U discloses a steam generator, including a frame, an electrical control box, a water storage tank, an inlet pipe, a delivery pipe, a flange, a water pump, a pump inlet, a pump outlet, a transfer pipe, a water supply pipe, a heating chamber, a support, a heater, a vapor-liquid separation chamber, and a steam outlet pipe. The electrical control box is fixed to the right side of the frame, and the water storage tank is installed on the left side of the electrical control box. The inlet pipe is connected to the upper part of the water storage tank, and the delivery pipe is connected to the lower part of the water storage tank. The delivery pipe is connected to the pump inlet of the water pump through a flange, and the pump outlet of the water pump is connected to the transfer pipe through a flange. The transfer pipe is connected to the water supply pipe, and the water supply pipe is connected to the heating chamber through a flange. The lower part of the heating chamber is fixed to the frame by a support.
[0004] The aforementioned utility model is equipped with a water tank, making the equipment large in size and difficult to install; moreover, it cannot effectively utilize the water separated by the vapor-liquid separation chamber. Utility Model Content
[0005] To overcome the shortcomings of existing technologies, this utility model provides an electric steam generator that is small in size, easy to install, and capable of recovering and recycling the water separated from the steam-liquid mixture, effectively improving the thermal efficiency of the equipment.
[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0007] An electric steam generator includes a water-vapor separation module, an electric heating module, a first delivery pump, a second delivery pump, and a control module. The water-vapor separation module has a water inlet and a water outlet at its bottom, and a steam inlet and a steam outlet at its top. A water level sensor is installed inside the water-vapor separation module. The first delivery pump is connected to the water inlet, and the second delivery pump is connected to the water outlet and the water inlet of the electric heating module. The output port of the electric heating module is connected to the steam inlet. The control module controls the start and stop of the first delivery pump based on feedback from the water level sensor.
[0008] Furthermore, the water inlet is equipped with a one-way valve that opens toward the water vapor separation module.
[0009] Furthermore, the first delivery pump is a high-pressure vortex pump.
[0010] Furthermore, the second delivery pump is an internal heat pump.
[0011] Compared with the prior art, the present invention has the following beneficial technical effects:
[0012] The electric steam generator of this utility model adopts a tankless design, which reduces the size of the equipment and makes installation more convenient. The separated water from the water-vapor separation module can be transported to the electric heating module by the second delivery pump to achieve recycling and effectively improve the thermal efficiency of the equipment. The water vapor sensor works in conjunction with the first delivery pump to keep the water level in the water-vapor separation module constant, ensuring that the equipment continuously and stably outputs steam. Attached Figure Description
[0013] Figure 1 This is a structural diagram of an electric steam generator according to this utility model.
[0014] The components include: 1. Water-vapor separation module; 11. Steam inlet; 12. Steam outlet; 13. Water level sensor; 2. Electric heating module; 3. First delivery pump; 4. Second delivery pump; 5. Control module; 6. Check valve. Detailed Implementation
[0015] Many specific details are set forth in the following description to provide a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0016] Example 1
[0017] like Figure 1 As shown, an electric steam generator includes a water-vapor separation module 1, an electric heating module 2, a first delivery pump 3, a second delivery pump 4, and a control module 5. The water-vapor separation module 1 has a water inlet and a water outlet at its bottom, and a steam inlet 11 and a steam outlet 12 at its top. A water level sensor 13 is installed inside the water-vapor separation module 1. The first delivery pump 3 is connected to the water inlet, the second delivery pump 4 is connected to the water outlet and the water inlet of the electric heating module 2, the output port of the electric heating module 2 is connected to the steam inlet 11, and the control module 5 controls the start and stop of the first delivery pump 3 based on feedback from the water level sensor 13.
[0018] A one-way valve 6, which opens towards the water vapor separation module 1, is installed at the water inlet to prevent backflow of water into the water vapor separation module 1. The first delivery pump 3 is a high-pressure vortex pump. The second delivery pump 4 is an internal heat pump.
[0019] The working principle of the electric steam generator of this utility model is as follows:
[0020] Water enters the water vapor separation module 1 via the first delivery pump 3. The internal heat pump draws water from the water vapor separation module 1 and sends it to the electric heating module 2 for heating and steam generation. The water vapor containing water enters the water vapor separation module 1 for water vapor separation. The high-quality steam after separation is output from the steam outlet 12. During the operation of the equipment, the water level sensor 13 monitors the water level in the water vapor separation module 1 in real time. The control module 5 controls the start and stop of the first delivery pump 3 based on the feedback from the water level sensor 13, thereby maintaining the water level in the water vapor separation module at a certain position.
[0021] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. However, any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An electric steam generator, characterized in that: The device includes a water vapor separation module, an electric heating module, a first delivery pump, a second delivery pump, and a control module. The water vapor separation module has a water inlet and a water outlet at the bottom, and a steam inlet and a steam outlet at the top. A water level sensor is installed inside the water vapor separation module. The first delivery pump is connected to the water inlet, and the second delivery pump is connected to the water outlet and the water inlet of the electric heating module. The output port of the electric heating module is connected to the steam inlet. The control module controls the start and stop of the first delivery pump based on the feedback from the water level sensor.
2. The electric steam generator according to claim 1, characterized in that: The water inlet is equipped with a one-way valve that opens toward the water vapor separation module.
3. The electric steam generator according to claim 2, characterized in that: The first delivery pump is a high-pressure vortex pump.
4. The electric steam generator according to claim 3, characterized in that: The second delivery pump is an internal heat pump.
Citation Information
Patent Citations
Steam generator
CN204388023U