Electric heating steam generator
By installing a steam-water separator and a waste heat recovery box in the electric heating steam generator, the problem of energy waste caused by liquid water condensation during steam transportation is solved, achieving efficient utilization of thermal energy and saving of electrical energy.
Patent Information
- Application Number
- CN202520443391.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-14
AI Technical Summary
In traditional electric heating steam generators, some liquid water condenses during the steam delivery process, resulting in unusable heat and energy waste.
A structure including a steam-water separator, a waste heat recovery tank, and a preheating tube was designed. The steam-water separator separates steam and liquid water, and the liquid water enters the waste heat recovery tank for preheating. The waste heat is then used to return the liquid water to the heating water tank, thereby improving the thermal energy utilization rate.
It improves thermal energy utilization, saves electricity consumption, and reduces water waste.
Smart Images
Figure CN223814647U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to steam generator technical field, concretely is a kind of electric heating steam generator. BACKGROUND
[0002] Electric heating steam generator is a kind of equipment using electric energy to heat water to produce steam, widely used in industry, medical treatment, food processing and other fields, and its working principle is that heating element, commonly known as electric heating tube or electric heating wire, is used to convert electric energy into heat energy to heat water to boiling to produce steam, and steam is transported to use point through pipeline. However, after the steam of traditional electric heating steam generator is transported to use point, part of liquid water absorbing heat is also transported with water vapor, and the part of liquid water gradually condenses in the transportation process, so the part of heat cannot be utilized, causing part of energy waste. SUMMARY
[0003] The utility model provides a kind of electric heating steam generator to solve the problem raised in the above background technique.
[0004] To achieve the above object, the utility model provides the following technical scheme:
[0005] A kind of electric heating steam generator, including outer box body, the inside of the outer box body is provided with heating water tank, the surface of the heating water tank is wound with heating coil, and the end of the heating coil is electrically connected with heating controller, the output end of the heating water tank is connected with steam-water separator, the upper end of the steam-water separator is connected with steam output pipe, the lower end of the steam-water separator is provided with blowdown and backflow port, the blowdown is connected with first blowdown pipeline, and the backflow port is provided with waste heat utilization mechanism.
[0006] As a further scheme of the utility model: the waste heat utilization mechanism includes waste heat utilization box, the input end of the waste heat utilization box is connected with the backflow port of the steam-water separator, the output end of the waste heat utilization box is connected with deaerated water tank, the inside of the waste heat utilization box is provided with preheating pipe, the preheating pipe is spiral structure, the upper and lower ends of the preheating pipe are connected with first water outlet pipe and second water outlet pipe respectively, the second water outlet pipe is connected with the input end of the heating water tank, the inside of the outer box body is fixedly installed with water supply pump, the input end of the water supply pump is connected with water inlet pipe, the water inlet pipe is communicated to the inside of the deaerated water tank, and the output end of the water supply pump is connected with the first water outlet pipe.
[0007] As a further scheme of the utility model: the input end of the waste heat utilization box is located at the lower side of the output end.
[0008] As a further scheme of the utility model: the lower end of the deoxidized water tank is provided with a second blow-off pipeline, the tail ends of the second blow-off pipeline and the first blow-off pipeline are jointly connected with a main blow-off pipeline, and the main blow-off pipeline extends to the outside of the outer tank body.
[0009] As a further scheme of the utility model: the upper end of the deoxidized water tank is connected with a water filling pipe and a gas discharge pipe respectively, and the water filling pipe and the gas discharge pipe both extend to the outside of the outer tank body.
[0010] As a further scheme of the utility model: the outside of the outer tank body is provided with a liquid level observation pipe, the upper and lower ends of the liquid level observation pipe are communicated with the inside of the heating water tank respectively, the liquid level observation pipe is provided as a transparent pipe, and the inside of the liquid level observation pipe is provided with a float.
[0011] As a further scheme of the utility model: the upper end of the heating water tank is provided with a pressure gauge.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] By setting the preheating pipe, the outside of which is provided with a waste heat utilization tank, when water is conveyed to the heating water tank through the preheating pipe, the waste heat in the water separated by the steam-water separator can be used for heating treatment, the utilization rate of heat energy is improved, and a certain amount of electric energy can be saved, and by setting the preheating pipe into a spiral shape, the area thereof can be expanded, so that the water in the inside thereof and the water in the inside of the waste heat utilization tank can be fully heat-exchanged, and the utilization rate of waste heat is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 It is a structural schematic view of the utility model;
[0015] Fig. 2 It is an internal structural schematic view of the utility model.
[0016] In the drawing: 1, outer tank body; 2, liquid level observation pipe; 3, pressure gauge; 4, steam output pipe; 5, heating water tank; 6, heating controller; 7, heating coil; 8, main blow-off pipeline; 9, first blow-off pipeline; 10, second blow-off pipeline; 11, water inlet pipe; 12, water supply pump; 13, first water outlet pipe; 14, waste heat utilization tank; 15, preheating pipe; 16, steam-water separator; 17, second water outlet pipe; 18, deoxidized water tank; 19, water filling pipe; 20, gas discharge pipe. DETAILED DESCRIPTION
[0017] Please refer to Figs. 1-2The utility model discloses an electric heating steam generator, including outer box body 1, the inside of outer box body 1 is provided with heating water tank 5, and the surface of heating water tank 5 is wound with heating coil 7, and the end of heating coil 7 is electrically connected with heating controller 6, and the output of heating water tank 5 is connected with steam -water separator 16, and the upper end of steam -water separator 16 is connected with steam output pipe 4, and the lower end of steam -water separator 16 is provided with blowdown and backflow, and blowdown is connected with first blowdown pipeline 9, and backflow is provided with waste heat utilization mechanism.
[0018] Preferably, the waste heat utilization mechanism includes a waste heat utilization tank 14, the input end of the waste heat utilization tank 14 is connected with the backflow port of the steam-water separator 16, the output end of the waste heat utilization tank 14 is connected with a deoxygenated water tank 18, the inside of the waste heat utilization tank 14 is provided with a preheating pipe 15, the preheating pipe 15 is in a spiral structure, the upper and lower ends of the preheating pipe 15 are respectively connected with a first water outlet pipe 13 and a second water outlet pipe 17, the second water outlet pipe 17 is connected with the input end of the heating water tank 5, the inside of the outer box body 1 is fixedly installed with a feed water pump 12, the input end of the feed water pump 12 is connected with a water inlet pipe 11, the water inlet pipe 11 is communicated to the inside of the deoxygenated water tank 18, the output end of the feed water pump 12 is connected with the first water outlet pipe 13.
[0019] Preferably, the input end of the waste heat utilization tank 14 is located below the output end.
[0020] Preferably, the lower end of the deoxygenated water tank 18 is provided with a second blowdown pipeline 10, the second blowdown pipeline 10 and the end of the first blowdown pipeline 9 are jointly connected with a main blowdown pipeline 8, and the main blowdown pipeline 8 extends to the outside of the outer box body 1.
[0021] Preferably, the upper end of the deoxygenated water tank 18 is respectively connected with a water filling pipe 19 and a gas discharge pipe 20, and the water filling pipe 19 and the gas discharge pipe 20 both extend to the outside of the outer box body 1.
[0022] Preferably, the outside of the outer box body 1 is provided with a liquid level observation pipe 2, the upper and lower ends of the liquid level observation pipe 2 are respectively communicated with the inside of the heating water tank 5, the liquid level observation pipe 2 is provided as a transparent pipe, and the inside of the liquid level observation pipe 2 is provided with a float.
[0023] Preferably, the upper end of the heating water tank 5 is installed with a pressure gauge 3.
[0024] The working principle of the utility model is: when using the electric heating steam generator, water from outside is added to the inside of the deoxygenated water tank 18 from the water adding pipe 19, and the gas in the water is discharged from the gas discharge pipe 20, the water feed pump 12 is opened, the water is transported into the heating water tank 5 by the first water outlet pipe 13, the preheating pipe 15 and the second water outlet pipe 17, the heating coil 7 generates heat by the heating controller 6, thereby the water in the heating water tank 5 is heated, then the water vapor enters into the inside of the steam-water separator 16, the steam-water separator 16 is used to separate the liquid water and the steam, the steam is discharged from the steam output pipe 4 and transported to the use point, and the remaining liquid water is input into the inside of the waste heat utilization tank 14 through the backflow port of the steam-water separator 16, according to the position of the float in the liquid level observation pipe 2, the water feed pump 12 is opened to add water into the inside of the heating water tank 5, then the water flowing in the preheating pipe 15 is preheated by the water input into the inside of the waste heat utilization tank 14 from the backflow port of the steam-water separator 16, thereby the waste heat is utilized, and the water in the steam output pipe 4 will finally backflow into the inside of the deoxygenated water tank 18, avoiding the waste of water, and the first blow-off pipe 9 and the second blow-off pipe 10 are further arranged, which can discharge the dirt in the water.
[0025] The above, only for the utility model is preferable specific implementation, but the protection scope of the utility model is not limited to this, any skilled in the art of technical personnel in the utility model disclosed in the technical range, according to the utility model technical scheme and the utility model concept are equivalent to replace or change, should be covered in the protection scope of the utility model.
Claims
1. An electrically heated steam generator comprising an outer casing (1), characterised in that: The inside of the outer box body (1) is provided with a heating water tank (5), the surface of the heating water tank (5) is wound with a heating coil (7), and the end of the heating coil (7) is electrically connected with a heating controller (6), the output end of the heating water tank (5) is connected with a steam-water separator (16), the upper end of the steam-water separator (16) is connected with a steam output pipe (4), the lower end of the steam-water separator (16) is provided with a blowdown port and a backflow port, the blowdown port is connected with a first blowdown pipeline (9), and the backflow port is provided with a waste heat utilization mechanism.
2. An electrically heated steam generator according to claim 1, characterised in that: The waste heat utilization mechanism comprises a waste heat utilization tank (14), the input end of the waste heat utilization tank (14) is connected with the backflow port of the steam-water separator (16), the output end of the waste heat utilization tank (14) is connected with a deoxygenated water tank (18), the inside of the waste heat utilization tank (14) is provided with a preheating pipe (15), the preheating pipe (15) is a spiral structure, the upper and lower ends of the preheating pipe (15) are respectively connected with a first water outlet pipe (13) and a second water outlet pipe (17), the second water outlet pipe (17) is connected with the input end of the heating water tank (5), the inside of the outer box body (1) is fixedly installed with a feed water pump (12), the input end of the feed water pump (12) is connected with a water inlet pipe (11), the water inlet pipe (11) communicates to the inside of the deoxygenated water tank (18), and the output end of the feed water pump (12) is connected with the first water outlet pipe (13).
3. An electrically heated steam generator as claimed in claim 2, characterised in that: The input end of the waste heat utilization tank (14) is located below the output end.
4. The electrically heated steam generator of claim 2, wherein: The lower end of the deoxygenated water tank (18) is provided with a second blowdown pipeline (10), the second blowdown pipeline (10) and the tail ends of the first blowdown pipeline (9) are jointly connected with a main blowdown pipeline (8), and the main blowdown pipeline (8) extends to the outside of the outer box body (1).
5. The electrically heated steam generator of claim 2, wherein: The upper end of the deoxygenated water tank (18) is respectively connected with a water feeding pipe (19) and a gas discharge pipe (20), and the water feeding pipe (19) and the gas discharge pipe (20) both extend to the outside of the outer box body (1).
6. The electrically heated steam generator of claim 1, wherein: The outside of the outer box body (1) is provided with a liquid level observation pipe (2), the upper and lower ends of the liquid level observation pipe (2) respectively communicate with the inside of the heating water tank (5), the liquid level observation pipe (2) is provided as a transparent pipe, and the inside of the liquid level observation pipe (2) is provided with a float.
7. The electrically heated steam generator of claim 1, wherein: The upper end of the heating water tank (5) is installed with a pressure gauge (3).