CN212081231U - Front premixing burner for commercial gas stove - Google Patents
Front premixing burner for commercial gas stove Download PDFInfo
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- CN212081231U CN212081231U CN202020451591.5U CN202020451591U CN212081231U CN 212081231 U CN212081231 U CN 212081231U CN 202020451591 U CN202020451591 U CN 202020451591U CN 212081231 U CN212081231 U CN 212081231U
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- 238000002485 combustion reaction Methods 0.000 claims abstract description 23
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- 239000000203 mixture Substances 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 4
- 239000012080 ambient air Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 96
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- 238000000034 method Methods 0.000 abstract description 4
- 238000013016 damping Methods 0.000 abstract description 3
- 238000003756 stirring Methods 0.000 abstract description 2
- 238000005496 tempering Methods 0.000 abstract description 2
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- 230000006872 improvement Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
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- 239000004278 EU approved seasoning Substances 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
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- 238000012827 research and development Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
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Abstract
The utility model discloses a preceding premix combustor for commercial gas kitchen range, including the preceding premix controller of furnace end, ignition needle, ion needle, gas valve, PWM fan, venturi premix ware, zero-pressure manifold gas solenoid valve, surge damping valve, commercial gas kitchen range. The utility model discloses a mix formula technique in advance before the front is with fuel and air and mix completely before getting into furnace end combustion chamber nozzle, fully stir the gas molecule and scatter the mixture for it is more complete to mix, thereby makes the burning rate no longer be subject to physical conditions such as gas diffusion velocity, and the burning rate is faster, efficiency is higher, reduces harmful CO in the flue gas and discharges. Meanwhile, an automatic premixing technology is applied, so that the mixing is more accurate. The work safety is ensured, and the phenomena of fire dropping, flame leaving, tempering and the like are avoided.
Description
Technical Field
The utility model relates to a commercial gas burner field specifically is a preceding combustor in advance for commercial gas kitchen range.
Background
With the continuous development of society, the requirements of people on improving living environment are gradually increased. Clean fuels such as natural gas, liquefied gas and the like have the characteristics of high combustion efficiency and clean combustion, are accepted by people and are more and more emphasized in society, and the application is more and more extensive. And as more and more gas-using projects are carried out, the gas application industry in China is in an important development period. The fuel gas consumption in China is huge, so that the demand is increased year by year, the annual average speed is increased by 10% -13%, and a certain gap is generated in the aspect of supply in the fuel gas industry. Meanwhile, in order to improve the environment and deal with the problems of climate warming and the like, energy-saving and environment-friendly gas burners with structures such as diffusion burners, semi-premixed burners and the like are successively researched, the use requirements in the commercial field are gradually met, a brand new mode is opened from the design, research and development of the gas burners, and a new era of safety, energy conservation and environment protection is stepped into. In order to meet the eating habits of Chinese people, the commercial gas combustion widely applied in various large dining places such as schools, hotels, and the like must have the characteristics of high heat load, high heat intensity of pot bottoms, convenience in use and the like. The majority of the existing commercial gas gasification in China adopts a diffusion or semi-premix combustion mode, the flow field design is not good, and the combustion efficiency and the heat transfer efficiency are not high; the high-power fan is used for providing a power source, so that serious noise pollution is caused. The main factors make the commercial gas combustion have the following characteristics of low efficiency, large fuel consumption, environmental pollution, large noise and serious harm to the physical, mental and health of operators. Therefore, improvement of the thermal efficiency of combustion is urgent, and it is very necessary to perform comprehensive performance of energy saving, environmental protection, safety, and the like of the commercial gas combustion appliance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a preceding combustor in advance for commercial gas kitchen range to solve the problem that prior art gas burner exists.
In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:
a front premix burner for a commercial gas stove characterized by: the control valve group consists of a pressure stabilizing valve and a zero-pressure main gas electromagnetic valve, wherein the inlet end of the pressure stabilizing valve is connected with a gas inlet pipeline of gas, the outlet end of the pressure stabilizing valve is connected with the inlet end of the zero-pressure main gas electromagnetic valve through a pipeline, the outlet end of the zero-pressure main gas electromagnetic valve is connected with the inlet end of the PWM fan through a pipeline, the outlet end of the PWM fan is connected with a gas valve at the inlet end of the furnace end through a pipeline, the inlet end of the Venturi premixer leads to the external environment, the outlet end of the Venturi premixer is communicated to the interior of the PWM fan, so that the gas enters the PWM fan through the pressure stabilizing valve and the zero-pressure main gas electromagnetic valve, when the gas is sent out from the PWM fan, the inlet end and the outlet end of the Venturi premixer form pressure difference, and external ambient air enters the PWM fan to, then the mixture is sent to a furnace end by a PWM fan;
the pre-mixing controller before the commercial gas stove controls the PWM fan to work based on digital signals, and controls the gas valve and the gas electromagnetic valve of the zero-pressure main pipe to be opened and closed.
The front premixing burner for the commercial gas stove is characterized in that: an ignition needle and an ion needle are arranged in the burner, the ignition needle and the ion needle are respectively and electrically connected with a front premixing controller of the commercial gas stove, and the front premixing controller of the commercial gas stove collects state signals of the ignition needle and the ion needle.
The front premixing burner for the commercial gas stove is characterized in that: the premixing controller is arranged in front of the commercial gas stove and is provided with a display, and meanwhile, a remote transmission interface is integrated in the premixing controller in front of the commercial gas stove, so that remote transmission and detection of data are realized.
The front premixing burner for the commercial gas stove is characterized in that: when the PWM fan generates suction pressure, the gas electromagnetic valve of the zero-pressure main pipe always keeps the offset pressure at zero point and compensates the pressure fluctuation in the gas supply pipe network.
The front premixing burner for the commercial gas stove is characterized in that: the PWM fan rotating speed is regulated and controlled through the commercial gas stove front premixing controller, so that different pressure differences are formed at an inlet and an outlet of the Venturi premixing device, the air quantity sucked by the PWM fan is controlled to meet the gas and air ratio under different heat loads, and the combustion state is stable.
The utility model discloses in, when inlet pressure takes place undulant, produce corresponding action by the voltage regulator device in the surge damping valve, the adjustment aperture keeps outlet pressure stable, makes the combustion apparatus be in a good operating condition all the time.
The utility model discloses in, the signal that PWM fan is controlled is digital form, need not to carry out digital analog conversion, simplifies control module and realizes fan rotational speed control, can make venturi premixer's exit form different pressure differentials after the accurate regulation and control of PWM fan rotational speed, and then the inspiratory air volume of control fan satisfies gas and air ratio under the different heat loads, realizes combustion state's stability.
The utility model discloses in, fuel and air are according to tolerance, proportion, the speed that requires and are steadily caught fire and burning in the furnace end, and the furnace end inner circle can set up the guide plate annular and center on the furnace end inboardly, cools down for the furnace end shell, extension furnace end life.
The utility model discloses in, the controller electricity is connected in advance before ignition needle and ion needle and commercial gas kitchen range, and the signal of telecommunication according to ignition needle, ion needle is igniteed and flame condition detects in advance by the controller before commercial gas kitchen range.
In the utility model, the display connected with the premixing controller in front of the commercial gas stove can display various parameters such as the running state of the burner, fault display and the like, and the commercial stove operator can visually observe; the premixing controller in front of the commercial gas stove is provided with a remote transmission interface, and remote transmission and detection of operation data can be realized through the Internet of things.
Compared with the prior art, the utility model discloses the advantage does:
1. the utility model adopts a pre-premixing mode to completely mix the fuel and the air before entering the nozzle of the furnace end combustion chamber, and fully stir and mix the gas molecules, so that the mixing is more complete, thereby the combustion speed is not limited by physical conditions such as gas diffusion speed and the like, the combustion speed is faster, the combustion heat intensity is high, and the flame is short; in production application, flame heat loss is reduced by reducing the fire hanging height of a hearth, and heat transfer efficiency is increased; because the combustion is complete and the combustion temperature is high, the contents of CO and NOX in the combustion products are low, and the method is safe and environment-friendly. The utility model discloses the application is automatic mixes the technique in advance, guarantees to mix more accurate and guaranteed work safety promptly, also can not produce and take off the fire, from phenomenons such as flame, tempering
2. In the field of commercial gas combustion appliances, a PWM fan is used at first to replace a conventional air volume adjusting device, so that the throttling loss caused by air adjustment is avoided; the efficiency is high, the power factor is high, and the power saving effect of reducing the power of the fan is obvious; the structure is simple, and the volume of the fan is greatly reduced; the fan has wide adjusting range and can be adapted to various gas stoves and different heat load requirements.
3. Compare commercial gas kitchen range of the same kind, the venturi blender of preceding premix combustor utilizes venturi effect, provides the gas and the air mixture of the best proportion in for the furnace end control in the combustion process, and simple structure, and equipment volume reduces by a wide margin, very big increase the application range of preceding premix combustor, also easy to assemble.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of the burner structure at a in fig. 1.
FIG. 3 is an enlarged view of the PWM blower and Venturi premixer at B in FIG. 1.
The reference numbers in the figures illustrate: 1-a pressure stabilizing valve, 2-a zero-pressure main gas electromagnetic valve, 3-a PWM fan, 4-a Venturi premixer, 5-a gas valve, 6-a furnace end, 7-an ignition needle, 8-an ion needle and 9-a commercial gas stove front premixing controller.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1-3, a front premix burner for a commercial gas stove comprises a control valve set, a PWM fan 3 configured with a venturi premixer 4, and a burner head 6, wherein:
the control valve group is composed of a pressure stabilizing valve 1 and a zero-pressure main gas electromagnetic valve 2, wherein the inlet end of the pressure stabilizing valve 1 is connected with a gas inlet pipeline of gas, the outlet end of the pressure stabilizing valve 1 is connected with the inlet end of the zero-pressure main gas electromagnetic valve 2 through a pipeline, the outlet end of the zero-pressure main gas electromagnetic valve 2 is connected with the inlet end of a PWM (pulse-width modulation) fan 3 through a pipeline, the outlet end of the PWM fan 3 is connected with a gas valve 5 at the inlet end of a furnace end 6 through a pipeline, the inlet end of a Venturi premixer 4 leads to the external environment, and the outlet end.
The utility model discloses in, the gas gets into PWM fan 3 through surge damping valve 1, zero-pressure manifold gas solenoid valve 2, when outwards seeing off by PWM fan 3 again, venturi premixer 4 advance, exit end formation pressure differential make outside environment air get into in PWM fan 3 with the gas fully mix in advance the back, send into to furnace end 6 by PWM fan 3 again. When the PWM fan 3 generates suction pressure, the gas electromagnetic valve 2 of the zero-pressure main pipe always keeps the offset pressure at zero point and compensates the pressure fluctuation in the gas supply pipe network.
The utility model discloses still include before the commercial gas kitchen range premixing controller 9, premixing controller 9 is connected with PWM fan 3, gas valve 5, the 2 electricity of zero-pressure main gas solenoid valve respectively before the commercial gas kitchen range, and premixing controller 9 is based on the work of digital signal control PWM fan 3 before by the commercial gas kitchen range to by opening and close of premixing controller 9 control gas valve 5, zero-pressure main gas solenoid valve 2 before the commercial gas kitchen range.
The utility model discloses a preceding 3 rotational speeds of controller 9 regulation and control PWM fans of premixing of commercial gas kitchen range for venturi premixer 4's exit forms different pressure differentials, and then the air volume of controlling 3 inhalations of PWM fans satisfies gas and air ratio under the different heat loads, realizes combustion state's stability.
The utility model discloses in, 6 inside ignition needles 7, the ion needle 8 of disposes of furnace end, ignition needle 7, ion needle 8 are connected with commercial gas kitchen range front premix controller 9 electricity respectively, gather the state signal of ignition needle 7, ion needle 8 by commercial gas kitchen range front premix controller 9.
The premixing controller 9 in front of the commercial gas stove is provided with a display, and meanwhile, a remote transmission interface is integrated in the premixing controller in front of the commercial gas stove, so that remote transmission and detection of data are realized.
Begin to use the utility model discloses during commercial gas kitchen range, at first open the power and go up electric self-checking, detect whether zero-pressure gas house steward solenoid valve 2 is in the off-state or has other unusually, detect whether ion needle 8 has the flame signal of catching fire, have to have before the commercial gas kitchen range of trouble in advance mix the controller in the display screen suggestion fault code. After the self-checking is normal, the PWM fan 3 operates at full load to sweep the hearth, unburned gas in the hearth is prevented, the PWM fan 3 automatically reduces the load and is in an ignition state after the sweeping is finished, at the moment, an ignition needle 7 starts high-voltage discharge ignition, the gas is input from a pressure stabilizing valve 1, a zero-pressure gas main pipe electromagnetic valve 2 is opened, and a gas valve 5 is opened to ignite a gas-air mixture in a furnace end 6;
when needs increase the firepower, rotatory gas valve 5 handle (when gas valve 5 is manual control), the handle drives spherical case and follows the rotation for the gas supply increases, and commercial gas kitchen range front premix controller 9 control PWM fan 3 load promotes, and the air feed also increases in step and mixes through venturi mixer 4, guarantees gas and air ratio, reachs furnace end 6 and satisfies stable and efficient burning. The valve handle is rotated to simultaneously adjust the air inflow and the air inflow.
In the cooking process, when a cook needs to take out a pot for loading a plate, add seasonings, leave a hearth and the like without needing large firepower, the minimum firepower can be switched to reduce meaningless fuel consumption, meanwhile, the load of the PWM fan 3 is reduced, the heat in the hearth cannot be blown away, and the heat dissipation loss of the hearth is minimized; when strong fire power is needed, the state is switched to a strong fire state by one key;
the embodiments of the present invention are only descriptions of the preferred embodiments of the present invention, not right the present invention is designed and limited, without departing from the design concept of the present invention, the technical personnel in the field should fall into the protection scope of the present invention for various modifications and improvements made by the technical solution of the present invention, and the technical contents of the present invention are all recorded in the claims.
Claims (5)
1. A front premix burner for a commercial gas stove characterized by: the control valve group consists of a pressure stabilizing valve and a zero-pressure main gas electromagnetic valve, wherein the inlet end of the pressure stabilizing valve is connected with a gas inlet pipeline of gas, the outlet end of the pressure stabilizing valve is connected with the inlet end of the zero-pressure main gas electromagnetic valve through a pipeline, the outlet end of the zero-pressure main gas electromagnetic valve is connected with the inlet end of the PWM fan through a pipeline, the outlet end of the PWM fan is connected with a gas valve at the inlet end of the furnace end through a pipeline, the inlet end of the Venturi premixer leads to the external environment, the outlet end of the Venturi premixer is communicated to the interior of the PWM fan, so that the gas enters the PWM fan through the pressure stabilizing valve and the zero-pressure main gas electromagnetic valve, when the gas is sent out from the PWM fan, the inlet end and the outlet end of the Venturi premixer form pressure difference, and external ambient air enters the PWM fan to, then the mixture is sent to a furnace end by a PWM fan;
the pre-mixing controller before the commercial gas stove controls the PWM fan to work based on digital signals, and controls the gas valve and the gas electromagnetic valve of the zero-pressure main pipe to be opened and closed.
2. A front premix burner for a commercial gas stove as in claim 1, wherein: an ignition needle and an ion needle are arranged in the burner, the ignition needle and the ion needle are respectively and electrically connected with a front premixing controller of the commercial gas stove, and the front premixing controller of the commercial gas stove collects state signals of the ignition needle and the ion needle.
3. A front premix burner for a commercial gas stove as in claim 1, wherein: the premixing controller is arranged in front of the commercial gas stove and is provided with a display, and meanwhile, a remote transmission interface is integrated in the premixing controller in front of the commercial gas stove, so that remote transmission and detection of data are realized.
4. A front premix burner for a commercial gas stove as in claim 1, wherein: when the PWM fan generates suction pressure, the gas electromagnetic valve of the zero-pressure main pipe always keeps the offset pressure at zero point and compensates the pressure fluctuation in the gas supply pipe network.
5. A front premix burner for a commercial gas stove as in claim 1, wherein: the PWM fan rotating speed is regulated and controlled through the commercial gas stove front premixing controller, so that different pressure differences are formed at an inlet and an outlet of the Venturi premixing device, the air quantity sucked by the PWM fan is controlled to meet the gas and air ratio under different heat loads, and the combustion state is stable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020451591.5U CN212081231U (en) | 2020-04-01 | 2020-04-01 | Front premixing burner for commercial gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020451591.5U CN212081231U (en) | 2020-04-01 | 2020-04-01 | Front premixing burner for commercial gas stove |
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| Publication Number | Publication Date |
|---|---|
| CN212081231U true CN212081231U (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020451591.5U Active CN212081231U (en) | 2020-04-01 | 2020-04-01 | Front premixing burner for commercial gas stove |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111322614A (en) * | 2020-04-01 | 2020-06-23 | 合肥顺昌余热利用科技有限公司 | Front premixing burner for commercial gas stove |
-
2020
- 2020-04-01 CN CN202020451591.5U patent/CN212081231U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111322614A (en) * | 2020-04-01 | 2020-06-23 | 合肥顺昌余热利用科技有限公司 | Front premixing burner for commercial gas stove |
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Address after: 231200 Changgu Road and Zhurong Road, Taohua Town, Feixi County, Hefei City, Anhui Province Patentee after: Hefei Zhongke Shunchang waste heat utilization technology Co.,Ltd. Address before: 231200 Changgu Road and Zhurong Road, Taohua Town, Feixi County, Hefei City, Anhui Province Patentee before: HEFEI SHUNCHANG WASTE HEAT UTILIZATION TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |