Combustor of gas heating water heater

Abstract

The utility model provides a combustor of a gas heating water heater, which belongs to the technical field of water heaters, mainly aims at solving the problem of energy waste caused by incomplete combustion of a traditional combustor, and adopts the technical scheme that the combustor comprises a combustion chamber mounted in a shell, and a gas premixing component is arranged at the bottom of the combustion chamber; the fuel gas premixing assembly comprises a vortex generator and two groups of shunting sieve plates, a fuel gas premixing chamber is arranged at the bottom of the combustion chamber, a fuel gas premixing cavity is formed in the top of the fuel gas premixing chamber, the two groups of shunting sieve plates are both mounted in the fuel gas premixing cavity, a mounting plate is connected to the bottom of the fuel gas premixing chamber, and a mounting hole is formed in the bottom of the mounting plate; a vortex generator is arranged at the bottom of the mounting hole; a controller is arranged on the outer side of the shell; through the arrangement of the fuel gas premixing assembly, fuel gas and oxygen can form vortex flow through the vortex generator, the mixing degree of the gas is increased, the gas is further shunted and mixed through the two groups of shunting sieve plates, and combustion is more sufficient.

Description

Technical Field

[0001] The utility model belongs to the technical field of water heaters, and more specifically, particularly relates to a burner for a gas heating water heater. Background Technique

[0002] As a common heating and domestic hot water supply device, gas heating water heaters are widely used in civil and industrial fields in China; among them, the burner, as the core component of the gas heating water heater, plays a very important role in the performance of the entire device.

[0003] For example, the Chinese utility model patent with the patent number 201920997269.X provides a burner for a gas heating water heater. Through the settings of the burner, water pump, heating plate and frame, when in use, water is supplied by starting the water pump, then the burner in the frame is started, the heating plate is heated by the burner, and then the water is heated by the heating plate; however, traditional burners usually adopt a single nozzle structure, and the fuel gas and air are simply mixed and burned in the combustion chamber, resulting in incomplete combustion, not only wasting energy, but also possibly generating more harmful gases, which have an adverse impact on the environment and human health. Content of the Utility Model

[0004] In order to solve the above technical problems, the utility model provides a burner for a gas heating water heater to solve the technical problems in the prior art that in traditional burners, the gas and air are not evenly mixed, resulting in incomplete combustion, not only wasting energy, but also possibly generating more harmful gases, which have an adverse impact on the environment and human health.

[0005] The purpose and effect of a burner for a gas heating water heater of the utility model are achieved by the following specific technical means:

[0006] A burner for a gas heating water heater includes a combustion chamber installed in a housing. A gas premixing assembly is provided at the bottom of the combustion chamber. The gas premixing assembly includes a vortex generator and two groups of shunt sieve plates. A gas premixing chamber is provided at the bottom of the combustion chamber. A gas premixing cavity is opened at the top of the gas premixing chamber. The two groups of shunt sieve plates are both installed in the gas premixing cavity. The bottom of the gas premixing chamber is connected with a mounting plate. Mounting holes are opened at the bottom of the mounting plate. The vortex generator is provided at the bottom of the mounting holes. A controller is provided on the outer side of the housing.

[0007] According to a preferred embodiment, the gas premixing assembly further includes an oxygen supply machine and an electromagnetic three-way valve with controllable opening. The oxygen supply machine is installed on the inner wall of the housing. One side of the oxygen supply machine is connected with the electromagnetic three-way valve through an oxygen supply pipe.

[0008] According to a preferred embodiment, a through hole is provided at the bottom of the housing, and the top end of the gas pipe passes through the through hole and is connected to the electromagnetic three-way valve, and the top end of the electromagnetic three-way valve is connected to the vortex generator.

[0009] According to a preferred embodiment, two groups of gas flow detectors are provided on the electromagnetic three-way valve, and the electromagnetic three-way valve and the two groups of gas flow detectors are both electrically connected to the controller.

[0010] According to a preferred embodiment, a support frame is installed at the top of the mounting hole, a flow dividing block is provided at the top of the support frame corresponding to the two groups of flow dividing sieve plates, and a fixing block is provided at the top of the flow dividing block.

[0011] According to a preferred embodiment, mounting protrusions are provided at the bottoms of the two groups of flow dividing sieve plates, two mounting grooves are formed at the top of the fixing block, and the two mounting protrusions are clamped in the two mounting grooves.

[0012] According to a preferred embodiment, a fire hole grille is provided between the combustion chamber and the gas premixing chamber, four grille mounting blocks are provided on the inner wall of the gas premixing chamber, and the fire hole grille is installed at the top of the four grille mounting blocks.

[0013] According to a preferred embodiment, a heat exchanger is provided at the top of the combustion chamber, a water pump is provided on the inner wall of the housing, one end of the water inlet pipe is connected to the water inlet end of the water pump, the water outlet end of the water pump is connected to a heating pipe, one end of the heating pipe is inserted into the heat exchanger, and one end of the water outlet pipe is connected to the heating pipe in the heat exchanger; an exhaust gas discharging device is provided at the top of the heat exchanger, and the combustion chamber is connected to the exhaust gas discharging device through a pipeline.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. Through the setting of the gas premixing assembly, when the burner is used, the vortex generator can make the gas and oxygen form a vortex flow, increasing the degree of gas mixing. The two groups of flow dividing sieve plates further divide and mix the gas, enabling the gas and air to fully contact during the flow process, and finally entering the combustion chamber through the fire hole grille, solving the problem of uneven mixing of gas and air in the traditional burner, improving the uniformity of mixing, and making the combustion more complete.

[0016] 2. By setting the electromagnetic three-way valve and the gas flow detector, when using this burner, the gas flow detector monitors the gas and air flow rates, and then controls the opening degree of the electromagnetic three-way valve corresponding to the gas to control the air and gas flow rates, ensuring that the mixing ratio of gas and air reaches the optimal state. This solves the problem that traditional burners not only waste energy but also produce harmful gases, making the combustion more complete, reducing energy waste. At the same time, the completeness of combustion also reduces the generation of harmful gases. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 FIG. is a schematic structural diagram of a burner for a gas-fired heating and hot water boiler of the present utility model;

[0018] Figure 2 FIG. is an exploded view of a burner for a gas-fired heating and hot water boiler of the present utility model;

[0019] Figure 3 FIG. is a schematic structural diagram of the gas premixing assembly of a burner for a gas-fired heating and hot water boiler of the present utility model after assembly;

[0020] Figure 4 is Figure 3 a schematic structural diagram after disassembly;

[0021] Figure 5 For the present utility model Figure 4 an enlarged schematic view of area a.

[0022] In the figures, the corresponding relationship between the component names and the drawing reference numerals is as follows:

[0023] 11. Housing; 12. Combustion chamber; 13. Controller; 14. Gas pipe; 15. Fire hole grille; 16. Grille mounting block; 17. Heat exchanger; 21. Vortex generator; 22. Shunt sieve plate; 23. Gas premixing chamber; 24. Gas premixing cavity; 25. Mounting plate; 26. Mounting hole; 27. Oxygen supply machine; 28. Electromagnetic three-way valve; 29. Gas flow detector; 30. Support frame; 31. Shunt block; 32. Fixed block; 33. Mounting groove; 34. Oxygen supply pipe; 41. Water pump; 42. Water inlet pipe; 43. Heating pipe; 44. Water outlet pipe; 45. Exhaust gas discharge device. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following further describes in detail the embodiments of the present utility model with reference to the drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0025] Embodiment:

[0026] As shown in FIGS. Figure 1 to Figure 5 shown:

[0027] The utility model provides a burner for a gas heating and hot water boiler, which includes a combustion chamber 12 installed in a housing 11. A gas premixing assembly is arranged at the bottom of the combustion chamber 12. The gas premixing assembly includes a vortex generator 21 and two groups of shunt sieve plates 22, which can effectively solve the problem of uneven mixing of gas and air in traditional burners. Specifically, a gas premixing chamber 23 is arranged at the bottom of the combustion chamber 12, and a gas premixing cavity 24 is opened at the top of the gas premixing chamber 23. The two groups of shunt sieve plates 22 are both installed in the gas premixing cavity 24. The vortex generator 21 can make the gas and oxygen form a vortex flow, increasing the degree of gas mixing. The two groups of shunt sieve plates 22 further shunt and mix the gas, enabling the gas and air to fully contact during the flow process, improving the uniformity of mixing and making the combustion more complete. The bottom of the gas premixing chamber 23 is connected with a mounting plate 25. Mounting holes 26 are opened at the bottom of the mounting plate 25, and the vortex generator 21 is arranged at the bottom of the mounting holes 26. The vortex generator 21 can be selected as the RB-72S model of Quanfeng brand. In addition, a controller 13 is also arranged outside the housing 11.

[0028] Please refer to as Figure 3 And Figure 4 As shown, the gas premixing assembly further includes an oxygen supply machine 27 and an electromagnetic three-way valve 28 with adjustable opening, which further optimizes the gas and air mixing process. Specifically, the oxygen supply machine 27 is installed on the inner wall of the housing 11. The oxygen supply machine 27 can be selected as the HA105 model of Haier brand. One side of the oxygen supply machine 27 is connected with the electromagnetic three-way valve 28 through an oxygen supply pipe 34.

[0029] Please refer to as Figure 3 And Figure 4 As shown, a through hole is opened at the bottom of the housing 11. The top end of the gas pipe 14 passes through the through hole and is connected with the electromagnetic three-way valve 28, and the top end of the electromagnetic three-way valve 28 is connected with the vortex generator 21, ensuring the smooth entry of gas into the premixing chamber. At the same time, two groups of gas flow detectors 29 are also arranged on the electromagnetic three-way valve 28. The gas flow detectors 29 can be selected as the MF5700 model of Sierte brand. The two groups of gas flow detectors 29 are electrically connected with the controller 13. By monitoring the flow ratio of gas and air in real time through the gas flow detectors 29, the controller 13 can correspondingly adjust the opening of the electromagnetic three-way valve 28, accurately control the supply of air and gas, ensure that the mixing ratio of the two always remains in the best state, solve the problem of uneven mixing of gas and air in traditional burners, and can also effectively reduce energy waste and harmful gas emissions. On the one hand, the sufficient combustion process improves the heat energy conversion efficiency and reduces energy consumption. On the other hand, the optimized combustion parameters also inhibit the generation of pollutants such as NOx, creating a cleaner and more environmentally friendly use environment for users.

[0030] Please refer to as Figure 4 And Figure 5As shown, mounting protrusions are provided at the bottom of both sets of flow splitting sieve plates 22. These protrusions can be snap-fitted with two sets of mounting grooves 33 opened at the top of the fixed block 32, realizing the stable installation of the flow splitting sieve plates 22. Specifically, the two sets of mounting protrusions are firmly clamped in the two sets of mounting grooves 33, ensuring that the flow splitting sieve plates 22 will not be displaced or deformed under the action of high-speed air flow, guaranteeing the installation stability of the flow splitting sieve plates 22 and also facilitating later maintenance and replacement. At the top of the mounting hole 26, a support frame 30 is installed. Corresponding to the two sets of flow splitting sieve plates 22, a flow splitting block 31 is provided at the top of the support frame 30, and a fixed block 32 is provided at the top of the flow splitting block 31.

[0031] Please refer to as Figure 2 and Figure 4 As shown, a flame hole grid 15 is provided between the combustion chamber 12 and the gas premixing chamber 23, which can effectively block the high-temperature flame in the combustion chamber 12 and ensure the safety and stability of the combustion process. Specifically, four sets of grid mounting blocks 16 are provided on the inner wall of the gas premixing chamber 23, and a flame hole grid 15 is installed on the top of the four sets of grid mounting blocks 16, which can firmly fix the flame hole grid 15. At the same time, the flame hole grid 15 itself also has certain heat insulation performance, which can effectively block the heat from being transferred to the inside of the premixing chamber, ensuring that the temperature inside the premixing chamber will not be too high and avoiding the occurrence of safety hazards.

[0032] Please refer to as Figure 2 As shown, a heat exchanger 17 is provided at the top of the combustion chamber 12. A water pump 41 is provided on the inner wall of the housing 11. One end of the water inlet pipe 42 is connected to the water inlet end of the water pump 41, and the water outlet end of the water pump 41 is connected to a heating pipe 43. One end of the heating pipe 43 is arranged inside the heat exchanger 17, and one end of the water outlet pipe 44 is connected to the heating pipe 43 inside the heat exchanger 17. During the combustion process, the heat exchanger 17 is heated, and the heat exchanger 17 exchanges heat with the water circulating in the heating pipe 43. An exhaust gas discharging device 45 is also provided at the top of the heat exchanger 17, and the combustion chamber 12 is connected to this device through a pipeline, ensuring that the exhaust gas generated by combustion can be discharged smoothly.

[0033] The embodiments of the present invention are given for purposes of illustration and description, and are not exhaustive or limit the present invention to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and enable those of ordinary skill in the art to understand the present invention and thus design various embodiments with various modifications suitable for specific purposes.

Claims

1. A gas heating and hot water boiler burner, comprising a combustion chamber (12) installed in a housing (11), characterized in that: At the bottom of the combustion chamber (12), a gas premixing assembly is provided. The gas premixing assembly includes a vortex generator (21) and two groups of shunt sieve plates (22). At the bottom of the combustion chamber (12), a gas premixing chamber (23) is provided. At the top of the gas premixing chamber (23), a gas premixing cavity (24) is opened. The two groups of shunt sieve plates (22) are both installed in the gas premixing cavity (24). The bottom of the gas premixing chamber (23) is connected with a mounting plate (25). At the bottom of the mounting plate (25), a mounting hole (26) is opened. At the bottom of the mounting hole (26), the vortex generator (21) is provided. Outside the housing (11), a controller (13) is provided.

2. The burner of a gas-fired heating and hot water boiler according to claim 1, characterized in that: The gas premixing assembly further includes an oxygen supply machine (27) and an electromagnetic three-way valve (28) with controllable opening. The oxygen supply machine (27) is installed on the inner wall of the housing (11). One side of the oxygen supply machine (27) is connected with the electromagnetic three-way valve (28) through an oxygen supply pipe (34).

3. The burner of a gas heating and hot water boiler according to claim 2, characterized in that: A through hole is opened at the bottom of the housing (11). The top end of a gas pipe (14) passes through the through hole and is connected with the electromagnetic three-way valve (28). The top end of the electromagnetic three-way valve (28) is connected with the vortex generator (21).

4. The burner of a gas heating and hot water boiler according to claim 3, characterized in that: Two gas flow detectors (29) are arranged on the electromagnetic three-way valve (28). The electromagnetic three-way valve (28) and the two gas flow detectors (29) are both electrically connected with the controller (13).

5. The burner of a gas-fired heating and hot water boiler according to claim 1, characterized in that: At the top of the mounting hole (26), a support frame (30) is installed. At the top of the support frame (30), corresponding to the two groups of shunt sieve plates (22), shunt blocks (31) are provided. At the top of the shunt blocks (31), fixing blocks (32) are provided.

6. The burner of a gas heating and hot water boiler according to claim 5, characterized in that: At the bottom of the two groups of shunt sieve plates (22), mounting protrusions are provided. At the top of the fixing blocks (32), two mounting grooves (33) are opened. The two mounting protrusions are clamped in the two mounting grooves (33).

7. The burner of a gas heating and hot water boiler according to claim 1, characterized in that: A fire hole grille (15) is arranged between the combustion chamber (12) and the gas premixing chamber (23). Four grille mounting blocks (16) are arranged on the inner wall of the gas premixing chamber (23). The fire hole grille (15) is installed at the top of the four grille mounting blocks (16).

8. The burner of a gas-fired heating and hot water boiler according to claim 1, characterized in that: At the top of the combustion chamber (12), a heat exchanger (17) is provided. A water pump (41) is arranged on the inner wall of the housing (11). One end of a water inlet pipe (42) is connected with the water inlet end of the water pump (41). The water outlet end of the water pump (41) is connected with a heating pipe (43). One end of the heating pipe (43) is arranged inside the heat exchanger (17). One end of a water outlet pipe (44) is connected with the heating pipe (43) inside the heat exchanger (17). At the top of the heat exchanger (17), an exhaust gas discharging device (45) is provided. The combustion chamber (12) is connected with the exhaust gas discharging device (45) through a pipeline.

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