High-frequency quick-heating type electromagnetic induction steam generator

Abstract

The invention discloses a high-frequency quick-heating type electromagnetic induction steam generator which comprises a furnace pipe, an air cylinder, a water tank and an electromagnetic induction heater, and is characterized in that the furnace pipe is connected with the air cylinder through an adapter pipe, a seamless heating pipe is fixedly connected in the furnace pipe through two partition plates, and the electromagnetic induction heater is slidably connected in the seamless heating pipe; the two ends of the electromagnetic induction heater are fixedly connected with threaded pipes, the threaded pipes at the two ends of the electromagnetic induction heater fixedly communicate with water pipes, and the two water pipes fixedly communicate with the water tank. The boiler furnace is communicated with the water tank through a water pipe; the invention has the beneficial effects that: after water is introduced into the aluminum pipe, the water is preheated to return to the water tank and then enters the furnace pipe through the water pump while water cooling is realized, the heating is faster, the water and the aluminum pipe are matched with each other, the water is reused, the energy consumption of the whole work is reduced, and the energy-saving effect is good.

Description

Technical Field

[0001] The invention relates to the technical field of steam generators, and in particular to a high-frequency rapid-heating electromagnetic induction steam generator. Background Art

[0002] Steam generator is an important part of steam power plant. Power station boiler, steam turbine and generator are the main engines of thermal power station, so power station boiler is an important equipment for producing electric energy. Industrial boiler is an indispensable equipment for providing steam for production and heating in various industrial enterprises. There are many industrial boilers, which consume a lot of fuel. Boilers are subjected to high temperature and high pressure, so safety issues are very important. Even for small boilers, once an explosion occurs, the consequences are very serious. Therefore, strict regulations are formulated for the material selection, design calculation, manufacturing and inspection of boilers.

[0003] Currently, most common steam generators use fuel oil, coal or electric heating tubes for heating. Water is heated to become steam, and the cycle continues, with cold water being used to heat the steam. Common resistive heating tubes have high energy consumption and produce scale over long periods of time, which affects the heating efficiency and may cause tube bursts. Some existing electromagnetic induction heaters heat from the outside to the inside, and the electromagnetic coil winding uses a lot of materials, resulting in poor heat dissipation, which affects the heating efficiency and causes problems. Summary of the invention

[0004] In view of the defects in the prior art, the present invention provides a high-frequency rapid heating electromagnetic induction steam generator to solve the existing problems.

[0005] The present invention is achieved through the following technical scheme: a high-frequency rapid-heating electromagnetic induction steam generator, comprising a furnace, a cylinder, a water tank and an electromagnetic induction heater, characterized in that: the furnace is connected to the cylinder through a transfer tube, a seamless heating tube is fixedly connected to the furnace through two partitions, the electromagnetic induction heater is slidably connected to the seamless heating tube, both ends of the electromagnetic induction heater are fixedly connected to threaded pipes, the threaded pipes at both ends of the electromagnetic induction heater are fixedly connected to water pipes, and the two water pipes are fixedly connected to the water tank; the furnace is connected to the water tank through a water pipe.

[0006] Preferably, the electromagnetic induction heater comprises a high-temperature tube, a magnetic strip, an electromagnetic coil and an aluminum tube, the aluminum tube is fixedly connected to the magnetic strip outside, the magnetic strip is fixedly connected to the flame-retardant layer, the flame-retardant layer is wrapped around the electromagnetic coil outside, and the electromagnetic coil is connected to the high-temperature tube outside.

[0007] Preferably, two flanges are fixedly connected at both ends of the high-temperature tube, the diameter of the flanges is smaller than the inner diameter of the seamless heating tube, the flanges are slidably connected in the seamless heating tube, insulation cotton is filled between the high-temperature tube and the seamless heating tube, and the two ends of the aluminum tube are fixedly connected to the threaded tube.

[0008] A water pipe connected to the threaded pipe is connected to a first water pump and a check valve. The furnace is fixedly connected to a mounting frame, and the mounting frame is fixedly connected to a fan, which is located at the pipe opening of the seamless heating pipe.

[0009] Preferably, a second water pump and a check valve are connected to the water pipe between the furnace and the water tank, and the bottom of the furnace is fixedly connected to the base.

[0010] Preferably, a sewage outlet is provided at the bottom of the furnace, the sewage outlet is connected to a water pipe, the water pipe is connected to an electric sewage valve, and the cylinder is fixedly connected to an air outlet valve, a safety valve, a pressure gauge and a pressure controller.

[0011] Preferably, an inspection pipe is fixedly connected between the furnace and the cylinder, a probe is connected to the inspection pipe, an inspection port is arranged at the bottom of the inspection pipe, and a drain valve is connected to the bottom of the inspection pipe.

[0012] The beneficial effects of the present invention are embodied in: the magnetic strip cooperates with the electromagnetic coil, the heating method is from the inside to the outside, the electromagnetic coil uses less material, and after water passes through the aluminum tube, water cooling is achieved. At the same time, the water is preheated and returned to the water tank, and then enters the furnace through the water pump, which heats faster. The two cooperate with each other to achieve the reuse of water, reduce the energy consumption of the entire work, and have a good energy-saving effect; compared with the resistance heating tube, the heating efficiency is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0014] Figure 1 It is a schematic diagram of the overall structural connection of the present invention; Figure 2 For the present invention Figure 1 Sectional view at AA; Figure 3 This is a schematic diagram of the connection structure of the electromagnetic induction heater of the present invention; Figure 4 It is a schematic diagram of the top view structure of the present invention; Figure 5 It is a left-side structural schematic diagram of the present invention; Figure 6 This is a schematic diagram of the internal structure of the electromagnetic induction heater of the present invention; Figure 7 It is a schematic diagram of the flange structure of the present invention.

[0015] In the attached figure, 1, air outlet valve, 2, safety valve, 3, cylinder, 4, furnace, 5, mounting frame, 6, fan, 7, threaded pipe, 8, check valve, 9, first water pump, 10, water pipe, 11, transfer pipe, 12, base, 13, second water pump, 14, water tank, 15, electric drain valve, 16, seamless heating pipe, 17, thermal insulation cotton, 18, high-temperature pipe, 19, flame retardant layer, 20, magnetic strip, 21, electromagnetic coil, 22, aluminum tube, 23, partition, 24, flange, 25, pressure gauge, 26, inspection pipe, 27, pressure controller, 28, probe, 29, inspection port, 30, drain valve. DETAILED DESCRIPTION

[0016] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate 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 improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0017] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0018] For ease of description, spatial relative terms such as "upper," "lower," "left," and "right" may be used herein to describe the relationship of one element or feature shown in a figure relative to another element or feature. It should be understood that the spatial terms are intended to include different orientations of the device in use or operation in addition to the orientation shown in the figures. For example, if the device in the figure is inverted, elements described as being "below" other elements or features will be positioned "above" the other elements or features. Thus, the exemplary term "below" may include both upper and lower orientations.

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0020] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation of the present invention is described in detail below in conjunction with specific embodiments: Figure 1-Figure 7The present invention is implemented through the following technical scheme: a high-frequency rapid heating electromagnetic induction steam generator, including a furnace 4, a cylinder 3, a water tank 14 and an electromagnetic induction heater, characterized in that: the furnace 4 is connected to the cylinder 3 through a transfer tube 11, a seamless heating tube 16 is fixedly connected to the furnace 4 through two partitions 23, the electromagnetic induction heater is slidably connected to the seamless heating tube 16, both ends of the electromagnetic induction heater are fixedly connected to the threaded tube 7, the threaded tubes 7 at both ends of the electromagnetic induction heater are fixedly connected to the water pipe 10, and the two water pipes 10 are fixedly connected to the water tank 14; the furnace 4 is connected to the water tank 14 through a water pipe 10.

[0021] The electromagnetic induction heater includes a high-temperature tube 18, a magnetic strip 20, an electromagnetic coil 21 and an aluminum tube 22. The outer circle of the aluminum tube 22 is fixedly connected to the magnetic strip 20, and the magnetic strip 20 is fixedly connected to the flame retardant layer 19. The flame retardant layer 19 completely covers and wraps the magnetic strip 20 and the aluminum tube 22. The outer side of the flame retardant layer 19 is wrapped around the electromagnetic coil 21. The flame retardant layer 19 is located in the inner circle of the electromagnetic coil 21, and the outer circle of the electromagnetic coil 21 is connected to the high-temperature tube 18.

[0022] Two flanges 24 are fixedly connected at both ends of the high-temperature tube 18. The diameter of the flange 24 is smaller than the inner diameter of the seamless heating tube 16. The flange 24 is slidably connected in the seamless heating tube 16. Insulation cotton 17 is filled between the high-temperature tube 18 and the seamless heating tube 16. The two ends of the aluminum tube 22 are fixedly connected to the threaded tube 7, and the threaded tube 7 extends out of the two ends of the furnace.

[0023] A water pipe 10 connected to the threaded pipe 7 is connected to a first water pump 9 and a check valve 8. The furnace 4 is fixedly connected to a mounting frame 5, and the mounting frame 5 is fixedly connected to a fan 6. The fan 6 is located at the pipe mouth of the seamless heating pipe 16.

[0024] A second water pump 13 and a check valve 8 are connected to the water pipe 10 between the furnace 4 and the water tank 14 , and the bottom of the furnace 4 is fixedly connected to the base 12 .

[0025] A sewage outlet is provided at the bottom of the furnace 4 , and a water pipe 10 is connected to the sewage outlet, and an electric sewage valve 15 is connected to the water pipe 10 . The cylinder 3 is fixedly connected with an outlet valve 1 , a safety valve 2 , a pressure gauge 25 and a pressure controller 27 .

[0026] An inspection pipe 26 is fixedly connected between the furnace 4 and the cylinder 3. A probe 28 is connected to the inspection pipe 26. The probe 28 is used to detect the water level. An inspection port 29 is provided at the bottom of the inspection pipe 26. A drain valve 30 is connected to the bottom of the inspection pipe 26.

[0027] The working principle of the present invention is as follows: start the first water pump 9, water enters the aluminum tube 22 through the water pipe 10, and then returns to the water tank 14 through the water pipe 10, start the electromagnetic induction heater, the heat generated passes through the thermal insulation cotton 17 to heat the seamless heating tube 16, start the second water pump 13 to extract the water in the water tank 14 into the furnace 4, the seamless heating tube 16 heats the water in the furnace 4 into water vapor, enters the air pump 3, and is transported out through the outlet valve 1. When the air pressure is too high, it is released through the safety valve 2 to maintain safety. The probe 28 can detect the water level to prevent the water level from being too high to block the transfer tube 11 and affect the water vapor from entering the cylinder 3; due to electromagnetic induction The heater generates a large amount of heat, and overheating affects the operation of the electromagnetic inductor. The fan 6 is started, and the wind from the fan 6 enters between the high-temperature tube 18 and the flame-retardant layer 19 through the flange 24 to cool the electromagnetic coil 21; the first water pump 9 draws water from the water tank 14 and flows through the aluminum tube 22, which can not only take away the heat and have a heat dissipation effect, but also increase the water temperature in the water tank 14. At the same time, the second water pump 13 draws water from the water tank 14 into the furnace 4. The water temperature is heated through the aluminum tube 22 and enters the furnace 4 with temperature. It is heated again and the temperature rises faster. This cycle dissipates heat from the electromagnetic induction heater and preheats the water at the same time. The heating effect is good and more energy-saving.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

Claims

1. A high-frequency rapid-heating electromagnetic induction steam generator, comprising a furnace (4), a cylinder (3), a water tank (14) and an electromagnetic induction heater, characterized in that: The furnace (4) is connected to the cylinder (3) via a transfer tube (11); a seamless heating tube (16) is fixedly connected to the furnace (4) via two partitions (23); an electromagnetic induction heater is slidably connected to the seamless heating tube (16); both ends of the electromagnetic induction heater are fixedly connected to threaded tubes (7); the threaded tubes (7) at both ends of the electromagnetic induction heater are fixedly connected to water pipes (10); the two water pipes (10) are fixedly connected to a water tank (14); the furnace (4) is connected to the water tank (14) via a water pipe (10).

2. A high-frequency rapid heating electromagnetic induction steam generator according to claim 1, characterized in that: The electromagnetic induction heater comprises a high-temperature tube (18), a magnetic strip (20), an electromagnetic coil (21) and an aluminum tube (22); the aluminum tube (22) is fixedly connected to the magnetic strip (20) on the outside; the magnetic strip (20) is fixedly connected to the flame-retardant layer (19) on the top; the flame-retardant layer (19) is wound around the outside of the electromagnetic coil (21); and the outer ring of the electromagnetic coil (21) is connected to the high-temperature tube (18).

3. A high-frequency rapid heating electromagnetic induction steam generator according to claim 2, characterized in that: The two ends of the high-temperature tube (18) are fixedly connected to two flanges (24); the diameter of the flanges (24) is smaller than the inner diameter of the seamless heating tube (16); the flanges (24) are slidably connected inside the seamless heating tube (16); thermal insulation cotton (17) is filled between the high-temperature tube (18) and the seamless heating tube (16); and the two ends of the aluminum tube (22) are fixedly connected to the threaded tube (7).

4. The high-frequency rapid heating electromagnetic induction steam generator according to claim 1, characterized in that: A water pipe (10) connected to the threaded pipe (7) is connected to a first water pump (9) and a check valve (8); a mounting frame (5) is fixedly connected to the furnace (4); a fan (6) is fixedly connected to the mounting frame (5); and the fan (6) is located at the pipe mouth of the seamless heating pipe (16).

5. The high-frequency rapid heating electromagnetic induction steam generator according to claim 1, characterized in that: A second water pump (13) and a check valve (8) are connected to the water pipe (10) between the furnace (4) and the water tank (14), and the bottom of the furnace (4) is fixedly connected to the base (12).

6. The high-frequency rapid heating electromagnetic induction steam generator according to claim 1, characterized in that: The bottom of the furnace (4) is provided with a sewage outlet, which is connected to a water pipe (10), and the water pipe (10) is connected to an electric sewage valve (15). The cylinder (3) is fixedly connected to an air outlet valve (1), a safety valve (2), a pressure gauge (25) and a pressure controller (27).

7. The high-frequency rapid heating electromagnetic induction steam generator according to claim 1, characterized in that: An inspection pipe (26) is fixedly connected between the furnace (4) and the cylinder (3), a probe (28) is connected to the inspection pipe (26), an inspection port (29) is provided at the bottom of the inspection pipe (26), and a drain valve (30) is connected to the bottom of the inspection pipe (26).

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