High-power gas heater with preheating function

By using a combination of flexible electric heating belts and curved ventilation slots in the gas heater, the problem of combustion lag at low gas temperatures is solved, achieving efficient combustion and improved heating efficiency.

CN224018401UActive Publication Date: 2026-03-20HE NAN AN CHENG SHI YE FA ZHAN JI TUAN YOU XIAN GONG SI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing gas heaters suffer from combustion lag when the gas temperature is too low, resulting in low heating efficiency. Existing methods for agitating gas mixing efficiency cannot effectively improve combustion efficiency.

Method used

A flexible electric heating belt is used to preheat the gas inlet pipe, and the residence time of the gas is extended by setting a curved and meandering venting groove in the cylindrical copper block, thereby improving the reactivity of the gas molecules. Combined with easy-to-disassemble components, the flexible electric heating belt can be easily repaired and replaced.

Benefits of technology

It improves the combustion efficiency of natural gas, achieves high-efficiency combustion of natural gas, enhances the activation energy of the combustion reaction, and improves heating efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224018401U_ABST
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Abstract

The utility model discloses a high-power gas heater with a preheating function, which comprises a heating assembly, and the heating assembly comprises a mounting box, a gas heater main body and a gas inlet pipe; and the efficient preheating assembly comprises a flexible electric heating belt, a cylindrical copper block and a vent groove, the outer wall of the fuel gas introduction pipe is movably connected with the flexible electric heating belt, the inner wall of the fuel gas introduction pipe is fixedly connected with the cylindrical copper block, and the vent groove is formed in the cylindrical copper block in a penetrating mode. High temperature generated by the flexible electric heating belt can be transmitted into the cylindrical copper block, the staying time of fuel gas is prolonged through the bent and circuitous vent grooves formed in the cylindrical copper block, then the fuel gas can be efficiently preheated, the average kinetic energy of fuel gas molecules can be directly improved through preheating, and the fuel gas heating efficiency is improved. The reaction activity of gas molecules is changed, so that the gas is efficiently combusted, and the combustion efficiency is fully improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electric water heater technical field, concretely is a kind of high-power gas heater with preheating function. BACKGROUND

[0002] Gas heater is an advanced heating equipment, it uses gas as energy source, generates heat by burning, can be heated to the required temperature in short time by water flow.

[0003] Inquiry China patent a gas heater public number CN 220750118 U, by setting spoiler between oxygen inlet fan and air inlet nozzle, oxygen between oxygen inlet fan and air inlet nozzle can be fully disturbed, make the combustion of gas more fully, improve the combustion effect of gas, and then make the heating efficiency of gas heater main body to cold water higher, reduce the heating time of cold water, improve the heating effect of the gas heater to cold water.

[0004] In prior art, disturbance gas only changes mixing efficiency, does not change the reaction activity of gas molecule itself, if gas temperature is too low (such as close to 0 DEG C), even strong disturbance also difficult to avoid combustion lag, thus need to provide a new structure to solve the above problems. INVENTION CONTENTS

[0005] The utility model discloses a kind of high-power gas heater with preheating function, to solve the problem raised in above background technology. To solve the above technical problems, the utility model is realized by the following technical scheme:

[0006] The utility model is a kind of high-power gas heater with preheating function, comprising:

[0007] Heating assembly, the heating assembly includes installation box, gas heater main body and gas inlet pipe, the installation box is fixedly connected gas heater main body, the gas heater main body one end is fixedly inserted gas inlet pipe;

[0008] Efficient preheating assembly, the efficient preheating assembly includes flexible electric heating band, cylindrical copper block and air passage, the flexible electric heating band is movably connected on the outer wall of gas inlet pipe, the cylindrical copper block is fixedly connected on the inner wall of gas inlet pipe, air passage is penetrated on the cylindrical copper block.

[0009] Further, the air passage is set up four, and the air passage is set up in a winding way.

[0010] Further, the heating assembly further includes water inlet pipe and water outlet pipe, the gas heater main body is respectively fixedly inserted water inlet pipe and water outlet pipe, and the water inlet pipe is located above the water outlet pipe.

[0011] Further, the convenient dismounting assembly comprises a rectangular rod, a rectangular plate and a clamping plate, one end of the rectangular rod is fixedly connected to the gas inlet pipe, the other end of the rectangular rod is fixedly connected to the rectangular plate, and one end of the rectangular plate is movably connected to the clamping plate.

[0012] Further, the clamping plate is arc-shaped as a whole.

[0013] Further, the convenient dismounting assembly further comprises a threaded groove, a butterfly screw, a limiting groove and a guide rod, the threaded groove is formed through the rectangular plate, the butterfly screw is movably connected in the threaded groove, the limiting groove is formed through the upper and lower ends of the rectangular plate, the guide rod is fixedly connected to the upper and lower ends of the side of the clamping plate, and the guide rod is movably connected in the limiting groove.

[0014] Further, the convenient dismounting assembly further comprises a clamping groove, the clamping groove is formed in the middle of the clamping plate, and one end of the butterfly screw is movably connected in the clamping groove.

[0015] The utility model has the following beneficial effects:

[0016] The utility model discloses, install flexible electric heating band can realize heating to gas inlet pipe one section, the high temperature generated is transferred to cylindrical copper block, and the curved circuitous ventilation groove formed in cylindrical copper block prolongs the residence time of gas, and then can realize the efficient preheating of gas, and preheating can directly improve the average kinetic energy of gas molecule, changes the reaction activity of gas molecule itself, makes it more easily break through the activation energy barrier of combustion reaction, and then makes gas efficient combustion, and fully improves the combustion efficiency.

[0017] Based on the above beneficial effects, by screwing the butterfly screw in different directions of the threaded groove, the clamping plate can be clamped or separated from the flexible electric heating band, so that the flexible electric heating band can be quickly clamped and fixed, and the flexible electric heating band can be conveniently maintained and replaced when the flexible electric heating band fails. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0019] Figure 1 It is the overall schematic view of the utility model;

[0020] Figure 2 It is the overall part connection schematic view of the utility model;

[0021] Figure 3The air passage distribution schematic view of the utility model;

[0022] Figure 4 The air passage opening inside the cylindrical copper block of the utility model is shown in the schematic view.

[0023] Figure 5 The clamping plate connection schematic view of the utility model.

[0024] In the drawings, the components represented by each reference numeral are listed as follows:

[0025] 101, mounting box; 102, gas heater main body; 103, gas inlet pipe; 104, water inlet pipe; 105, water outlet pipe;

[0026] 201, flexible electric heating belt; 202, cylindrical copper block; 203, air passage;

[0027] 301, rectangular rod; 302, rectangular plate; 303, clamping plate; 304, threaded groove; 305, butterfly screw; 306, limiting groove; 307, guide rod; 308, clamping groove. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] To make the purpose, technical solutions and advantages of the utility model clearer, the embodiments of the utility model will be described in further detail below with reference to the drawings.

[0030] Please refer to Figures 1-5 The utility model discloses a high -power gas heater with preheating function, including:

[0031] The heating assembly comprises a mounting box 101, a gas heater main body 102 and a gas inlet pipe 103. The gas heater main body 102 is fixedly connected in the mounting box 101, and one end of the gas heater main body 102 is fixedly inserted into the gas inlet pipe 103.

[0032] The high-efficiency preheating component includes a flexible electric heating belt 201, a cylindrical copper block 202, and a venting groove 203. The flexible electric heating belt 201 is movably connected to the outer wall of the gas inlet pipe 103, and the cylindrical copper block 202 is fixedly connected to the inner wall of the gas inlet pipe 103. A venting groove 203 is formed through the cylindrical copper block 202. There are a total of four venting grooves 203, and the venting grooves 203 are arranged in a curved and tortuous manner.

[0033] The installation box 101 ensures the secure installation of the gas heater body 102. The flexible electric heating belt 201 is used to generate high temperature for preheating, and the cylindrical copper block 202 is used for efficient temperature transmission. The number and shape of the ventilation slots 203 ensure that the residence time of the gas in the cylindrical copper block 202 is extended.

[0034] The heating assembly also includes an inlet pipe 104 and an outlet pipe 105. The inlet pipe 104 and the outlet pipe 105 are respectively fixedly inserted into the main body 102 of the gas heater, with the inlet pipe 104 located above the outlet pipe 105.

[0035] The water inlet pipe 104 and the water outlet pipe 105 are respectively used to add water to and discharge water from the gas heater body 102.

[0036] Working principle: Water first enters the gas heater body 102 through water pipe 104, then the perforated flexible electric heating strip 201 switches on to heat the wall of the gas inlet pipe 103. The heat is then transferred to the cylindrical copper block 202 and then to the venting groove 203. At this time, the valve is opened, and the gas passes through the gas inlet pipe 103 and is preheated at the venting groove 203. The preheated gas is then introduced into the gas heater body 102 for complete combustion. The water is then heated by the heat exchanger in the gas heater body 102. Finally, the valve on the outlet pipe 105 is opened, and the water is discharged. This process enables efficient combustion of the gas and significantly improves combustion efficiency.

[0037] Please see Figures 1-5 As shown, this embodiment, based on the above embodiment, further includes:

[0038] The convenient dismounting assembly comprises a rectangular rod 301, a rectangular plate 302 and a clamping plate 303, one end of the rectangular rod 301 is fixedly connected to the gas inlet pipe 103, the other end of the rectangular rod 301 is fixedly connected to the rectangular plate 302, and one end of the rectangular plate 302 is movably connected to the clamping plate 303; the clamping plate 303 is arc-shaped as a whole; the convenient dismounting assembly further comprises a threaded groove 304, a butterfly screw 305, a limiting groove 306 and a guide rod 307, the threaded groove 304 is formed through the rectangular plate 302, the butterfly screw 305 is movably connected in the threaded groove 304, the limiting groove 306 is formed through the upper and lower ends of the rectangular plate 302, the guide rod 307 is fixedly connected to the upper and lower ends of the side of the clamping plate 303, and the guide rod 307 is movably connected in the limiting groove 306; the convenient dismounting assembly further comprises a clamping groove 308, the clamping groove 308 is formed in the middle of the clamping plate 303, and one end of the butterfly screw 305 is movably connected in the clamping groove 308.

[0039] The rectangular rod 301 provides guarantee for the installation of the rectangular plate 302, the rectangular plate 302 provides guarantee for the formation of the threaded groove 304, the threaded groove 304 and the butterfly screw 305 are used in cooperation, which provides guarantee for the movement of the clamping plate 303, the shape of the clamping plate 303 can be attached to the outside of the flexible electric heating belt 201 after winding, so that the clamping firmness is improved, the limiting groove 306 and the guide rod 307 are used in cooperation, which can guarantee the smooth movement of the clamping plate 303 and limit the movement range of the clamping plate 303, and the clamping groove 308 improves the firmness of the connection between the butterfly screw 305 and the clamping plate 303.

[0040] Working principle: when the flexible electric heating belt 201 is wound on the outer wall of the gas inlet pipe 103, the butterfly screw 305 is screwed at the threaded groove 304, at this time, the butterfly screw 305 pushes the clamping plate 303 to move, at this time, the guide rod 307 moves in the limiting groove 306, until the clamping plate 303 contacts and clamps the flexible electric heating belt 201, then the above process is repeated in reverse, that is, the clamping plate 303 can be loosened on the side of the flexible electric heating belt 201, so that the flexible electric heating belt 201 is convenient to maintain and replace.

[0041] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A high-power gas heater with preheating function, characterized in that, include: The heating assembly includes a mounting box (101), a gas heater body (102), and a gas inlet pipe (103). The gas heater body (102) is fixedly connected in the mounting box (101), and the gas inlet pipe (103) is fixedly inserted into one end of the gas heater body (102). The high-efficiency preheating component includes a flexible electric heating belt (201), a cylindrical copper block (202), and a ventilation groove (203). The flexible electric heating belt (201) is movably connected to the outer wall of the gas inlet pipe (103), and the cylindrical copper block (202) is fixedly connected to the inner wall of the gas inlet pipe (103). The ventilation groove (203) is opened through the cylindrical copper block (202).

2. A high-power gas heater with preheating function according to claim 1, characterized in that: The ventilation slots (203) are provided in a total of four places, and the ventilation slots (203) are arranged in a curved and tortuous manner.

3. A high-power gas heater with preheating function according to claim 1, characterized in that: The heating assembly also includes an inlet pipe (104) and an outlet pipe (105). The inlet pipe (104) and the outlet pipe (105) are fixedly inserted into the main body (102) of the gas heater, and the inlet pipe (104) is located above the outlet pipe (105).

4. A high-power gas heater with preheating function according to claim 1, characterized in that: It also includes a convenient assembly and disassembly assembly, which includes a rectangular rod (301), a rectangular plate (302), and a clamping plate (303). One end of the rectangular rod (301) is fixedly connected to the gas inlet pipe (103), the other end of the rectangular rod (301) is fixedly connected to the rectangular plate (302), and one end of the rectangular plate (302) is movably connected to the clamping plate (303).

5. A high-power gas heater with preheating function according to claim 4, characterized in that: The clamping plate (303) is generally arc-shaped.

6. A high-power gas heater with preheating function according to claim 4, characterized in that: The convenient assembly and disassembly assembly also includes a threaded groove (304), a wing screw (305), a limiting groove (306), and a guide rod (307). The threaded groove (304) is opened through the rectangular plate (302), and the wing screw (305) is movably connected in the threaded groove (304). The limiting groove (306) is opened through the upper and lower ends of the rectangular plate (302). The guide rod (307) is fixedly connected to the upper and lower ends of the side of the clamping plate (303), and the guide rod (307) is movably connected in the limiting groove (306).

7. A high-power gas heater with preheating function according to claim 6, characterized in that: The convenient assembly and disassembly assembly also includes a slot (308), in which a slot (308) is provided in the middle of the clamping plate (303), and one end of a wing screw (305) is movably connected in the slot (308).

Citation Information

Patent Citations

  • Gas heater

    CN220750118U