CN211084060U - Small-size full premix frequency conversion gas combustion engine - Google Patents
Small-size full premix frequency conversion gas combustion engine Download PDFInfo
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- CN211084060U CN211084060U CN201921002924.XU CN201921002924U CN211084060U CN 211084060 U CN211084060 U CN 211084060U CN 201921002924 U CN201921002924 U CN 201921002924U CN 211084060 U CN211084060 U CN 211084060U
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Abstract
A small-sized full-premixing variable frequency gas burner relates to the field of gas heat supply and clean heating equipment. It contains air cleaner, venturi, gas solenoid valve, gas proportional valve, direct current fan, inverter motor, static pressure pipe, flange, metal fiber combustor, flame detector, ignition electrode, mixing drum, ring pressure room, combustor control box and flame detection hole, air cleaner passes through natural gas line and is connected with venturi, and one side that air cleaner was kept away from to venturi is provided with direct current fan, and the internally mounted of direct current fan has inverter motor. The utility model discloses beneficial effect does: the full-premixing variable frequency mode is adopted and precise adjustment and control are carried out, so that complete mixing of gas and air is guaranteed, combustion is more sufficient, combustion efficiency is high, and the full-premixing variable frequency burner has the advantages of thermal shock resistance, low pressure drop, safety, no backfire, rapid reaction, small thermal inertia, quick cooling, durability, less harmful gas release and the like.
Description
Technical Field
The utility model relates to a gas heat supply, clean heating equipment field, concretely relates to small-size full premix frequency conversion gas combustion engine.
Background
The rapid development of the world economy, the energy problem is increasingly prominent, and high efficiency, energy conservation and environmental protection are topics which are very concerned in the world at present. The full premix combustion technology is a combustion mode with high combustion efficiency and high combustion heat intensity. While Co and Nox produced during combustion are low. The advantages of the full-premix combustion technology are fully exerted, and the research and development of the high-efficiency and energy-saving full-premix combustor are the trend in the fields of gas heat supply and heating. With the continuous promotion of the clean heating engineering of changing coal into gas in Jingjin Ji and northern areas of China, compared with a large-scale industrial boiler gas burner, the research and development of small-sized civil energy-saving and efficient gas burning equipment has a blank period; the gas combustion equipment with 100-heat efficiency and 300KW has broken gears in the field of current heating equipment. The heating equipment is reasonably arranged according to the heating area of the household and commercial buildings, so that the energy waste is avoided, the emission of pollutants can be effectively reduced, and the building heat supply device can become a preferred heating product of the blue sky defense project.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a small-size full premix frequency conversion gas combustion engine, it adopts full premix frequency conversion mode and carries out delicate regulation and control, has guaranteed the complete mixing of gas and air, makes the burning more abundant, and combustion efficiency is high, still has thermal shock resistance, low pressure drop, safe no tempering, reaction rapidly, thermal inertia is little, the cooling is fast, durable, harmful gas release advantage such as few.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the flame-retardant flue gas burner comprises an air filter 1, a Venturi tube 2, a gas electromagnetic valve 3, a gas proportional valve 4, a direct current fan 5, a variable frequency motor 6, a static pressure tube 7, a flange 8, a metal fiber burner 9, a flame detector 10, an ignition electrode 11, a mixing cylinder 12, an annular pressure chamber 13, a burner control box 14 and a flame detection hole 15, wherein the air filter 1 is connected with the Venturi tube 2 through a natural gas pipeline, the direct current fan 5 is arranged on one side of the Venturi tube 2 far away from the air filter 1, the variable frequency motor 6 is arranged inside the direct current fan 5, one side of the direct current fan 5 is connected with the Venturi tube 2, the other side of the direct current fan 5 is connected with the mixing cylinder 12, the annular pressure chamber 13 is arranged inside the mixing cylinder 12, the annular pressure chamber 13 is provided with the static pressure tube 7, one end of the static pressure tube 7 far away from the annular pressure chamber 13, one side of the mixing cylinder 12, which is far away from the direct current fan 5, is provided with a metal fiber combustor 9, a flange 8 is arranged at the joint of the metal fiber combustor 9 and the mixing cylinder 12, the metal fiber combustor 9 is connected with the mixing cylinder 12 through the flange 8, a flame detector 10, an ignition electrode 11 and a flame detection hole 15 are installed on the flange 8, a combustor control box 14 is installed on the direct current fan 5, and a combustor controller 14-1, a fan direct current frequency converter 14-2 and a power supply relay 14-3 are installed inside the combustor control box 14.
The direct current fan 5 comprises a volute 5-1, a fan impeller 5-2 and a direct current motor 5-3, and the fan impeller 5-2 and the direct current motor 5-3 are installed inside the volute 5-1.
The metal fiber burner 9 is a heat-resistant metal fiber burner, and the hole pitch thereof is 1 um.
The direct current fan 5 is a brushless 24V direct current motor.
The fan impeller 5-2 is an antistatic PPS plastic impeller.
The flame detector 10 is an ion bar.
The flange 8 is provided with a plurality of flange connecting bolt holes 8-1, and the flange connecting bolt holes 8-1 are circular holes.
The utility model discloses a theory of operation: the combustor starts a power supply to enter a fan blowing mode, and a combustor controller transmits power to an ignition electrode to generate high-pressure fire after the fan blows for 10-15 seconds; the burner controller supplies power to the gas electromagnetic valve, the gas proportional valve is opened, at the same time, the two valves enter an opening mode, natural gas and air purified by the air filter are primarily mixed in the Venturi tube, then the mixed gas enters the fan and is uniformly mixed by high-speed stirring, the pressurized mixed gas enters the mixing barrel, when the fully premixed gas passes through the annular pressure chamber in the mixing barrel, the static pressure tube in the annular pressure chamber transmits a pressure signal to the gas proportional valve, the gas proportional valve automatically adjusts and outputs the natural gas according to the static pressure, and the fully premixed gas enters the metal fiber burner after passing through the annular pressure chamber in the mixing barrel and being reasonably proportioned to complete the ignition state. After the ignition of the burner is finished, the metal fiber burner generates light blue micro flame. When the flame detector cannot detect flame, a signal is transmitted to the burner controller, the burner controller instructs the gas electromagnetic valve to be rapidly closed, and the gas fan is synchronously stopped, so that the safety effect is achieved.
After the technical scheme is adopted, the utility model discloses beneficial effect does: the full-premixing variable frequency mode is adopted and precise adjustment and control are carried out, so that complete mixing of gas and air is guaranteed, combustion is more sufficient, combustion efficiency is high, and the full-premixing variable frequency burner has the advantages of thermal shock resistance, low pressure drop, safety, no backfire, rapid reaction, small thermal inertia, quick cooling, durability, less harmful gas release and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the mixing drum 12 of the present invention;
FIG. 3 is a schematic structural view of the annular pressure chamber 13 of the present invention;
fig. 4 is a dispersed structure diagram of the dc fan 5 of the present invention;
fig. 5 is an internal structural view of the burner control box 14 of the present invention;
fig. 6 is a schematic structural view of the metal fiber burner 9 of the present invention;
fig. 7 is a schematic view of the connection between the flange 8 and the metal fiber burner 9 according to the present invention.
Description of reference numerals: the device comprises an air filter 1, a Venturi tube 2, a gas electromagnetic valve 3, a gas proportional valve 4, a direct current fan 5, a variable frequency motor 6, a static pressure tube 7, a flange 8, a metal fiber combustor 9, a flame detector 10, an ignition electrode 11, a mixing cylinder 12, a ring pressure chamber 13, a combustor control box 14, a flame detection hole 15, a combustor controller 14-1, a fan direct current frequency converter 14-2, a power supply relay 14-3, a volute 5-1, a fan impeller 5-2, a direct current motor 5-3 and a flange connecting bolt hole 8-1.
Detailed Description
Referring to fig. 1 to 7, the technical solution adopted by the present embodiment is: the device comprises an air filter 1, a Venturi tube 2, a gas electromagnetic valve 3, a gas proportional valve 4, a direct current fan 5, a variable frequency motor 6, a static pressure pipe 7, a flange 8, a metal fiber combustor 9, a flame detector 10, an ignition electrode 11, a mixing cylinder 12, an annular pressure chamber 13, a combustor control box 14 and a flame detection hole 15, wherein the air filter 1 is connected with the Venturi tube 2 through a natural gas pipeline, the air filter 1 is mainly installed to prevent dirt from being accumulated in an air duct and the metal fiber combustor, a Venturi tube 2 mixing device is adopted to ensure that gas and air are fully mixed, the direct current fan 5 is arranged on one side of the Venturi tube 2 far away from the air filter 1, the variable frequency motor 6 is installed inside the direct current fan 5, one side of the direct current fan 5 is connected with the Venturi tube 2, the other side of the direct current fan is connected with the mixing cylinder 12, a ring pressure chamber 13 is, the annular pressure chamber 13 is provided with a static pressure pipe 7, and one end of the static pressure pipe 7, which is far away from the annular pressure chamber 13, is connected with the gas proportional valve 4 and is used for controlling the adjustment of the gas proportional valve 4, realizing the synchronous adjustment of gas flow and air flow and keeping constant proportion. The combustion load is improved by increasing the rotating speed of the fan, the gas electromagnetic valve 3 is arranged above the gas proportional valve 4, and the gas controller instructs the gas electromagnetic valve 3 to open when the gas proportional valve 4 senses the pressure input by the static pressure pipe 7 and automatically opens after the combustor enters an ignition mode; when the gas burner stops working, the gas electromagnetic valve 3 and the gas proportional valve 4 synchronously close the natural gas. The gas electromagnetic valve 3 and the gas proportional valve 4 are synchronously and integrally controlled, the safety of the burner when the burner is not operated and the stability of the natural gas and air when the burner works are effectively controlled, one side of the mixing cylinder 12, which is far away from the direct current fan 5, is provided with a metal fiber burner 9, the joint of the metal fiber burner 9 and the mixing cylinder 12 is provided with a flange 8, the metal fiber burner 9 is connected with the mixing cylinder 12 through the flange 8, the flange 8 is provided with a flame detector 10, an ignition electrode 11 and a flame detection hole 15, the burner control box 14 is arranged on the direct current fan 5, the burner control box 14 is internally provided with a burner controller 14-1, a fan direct current frequency converter 14-2 and a power supply relay 14-3, the output of the burner fan by using a frequency conversion controller aims at reasonably adjusting the rotating speed of the direct current fan according to the size and the operation condition of a heating stove, the aims of environmental protection and energy saving are achieved.
The direct current fan 5 comprises a volute 5-1, a fan impeller 5-2 and a direct current motor 5-3, and the fan impeller 5-2 and the direct current motor 5-3 are installed inside the volute 5-1.
The metal fiber burner 9 is a heat-resistant metal fiber burner, and the hole pitch thereof is 1 um.
The direct current fan 5 is a brushless 24V direct current motor, electric sparks are not generated in the running process, the running is stable, the operation efficiency is high, and the service life of the motor is long.
The fan impeller 5-2 is an antistatic PPS plastic impeller which has good antistatic property and high strength, and the noise of the combustion engine is reduced to below 40 decibels in a good operating environment.
The flame detector 10 is an ion bar.
The flange 8 is provided with a plurality of flange connecting bolt holes 8-1, and the flange connecting bolt holes 8-1 are circular holes.
The utility model discloses a theory of operation: the combustor starts a power supply to enter a fan blowing mode, and a combustor controller transmits power to an ignition electrode to generate high-pressure fire after the fan blows for 10-15 seconds; the burner controller supplies power to the gas electromagnetic valve, the gas proportional valve is opened, at the same time, the two valves enter an opening mode, natural gas and air purified by the air filter are primarily mixed in the Venturi tube, then the mixed gas enters the fan and is uniformly mixed by high-speed stirring, the pressurized mixed gas enters the mixing barrel, when the fully premixed gas passes through the annular pressure chamber in the mixing barrel, the static pressure tube in the annular pressure chamber transmits a pressure signal to the gas proportional valve, the gas proportional valve automatically adjusts and outputs the natural gas according to the static pressure, and the fully premixed gas enters the metal fiber burner after passing through the annular pressure chamber in the mixing barrel and being reasonably proportioned to complete the ignition state. After the ignition of the burner is finished, the metal fiber burner generates light blue micro flame. When the flame detector cannot detect flame, a signal is transmitted to the burner controller, the burner controller instructs the gas electromagnetic valve to be rapidly closed, and the gas fan is synchronously stopped, so that the safety effect is achieved.
After the technical scheme is adopted, the utility model discloses beneficial effect does: the full-premixing variable frequency mode is adopted and precise adjustment and control are carried out, so that complete mixing of gas and air is guaranteed, combustion is more sufficient, combustion efficiency is high, and the full-premixing variable frequency burner has the advantages of thermal shock resistance, low pressure drop, safety, no backfire, rapid reaction, small thermal inertia, quick cooling, durability, less harmful gas release and the like.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. The utility model provides a small-size full premix frequency conversion gas combustion machine which characterized in that: the gas burner comprises an air filter (1), a Venturi tube (2), a gas electromagnetic valve (3), a gas proportional valve (4), a direct current fan (5), a variable frequency motor (6), a static pressure pipe (7), a flange (8), a metal fiber burner (9), a flame detector (10), an ignition electrode (11), a mixing cylinder (12), an annular pressure chamber (13), a burner control box (5) and flame detection holes (15), wherein the air filter (1) is connected with the Venturi tube (2) through a natural gas pipeline, the direct current fan (5) is arranged on one side of the Venturi tube (2) far away from the air filter (1), the variable frequency motor (6) is arranged inside the direct current fan (5), one side of the direct current fan (5) is connected with the Venturi tube (2), the other side of the direct current fan is connected with the mixing cylinder (12), the annular pressure chamber (13) is arranged inside the mixing cylinder (12), a static pressure pipe (7) is arranged on the annular pressure chamber (13), one end of the static pressure pipe (7) far away from the annular pressure chamber (13) is connected with a gas proportional valve (4), a gas electromagnetic valve (3) is arranged above the gas proportional valve (4), one side of a mixing cylinder (12) far away from a direct current fan (5) is provided with a metal fiber burner (9), a flange (8) is arranged at the joint of the metal fiber burner (9) and the mixing cylinder (12), the metal fiber burner (9) is connected with the mixing cylinder (12) through the flange (8), a flame detector (10), an ignition electrode (11) and a flame detection hole (15) are arranged on the flange (8), a combustion machine control box (14) is arranged on the direct current fan (5), a combustion machine controller (14-1) is arranged inside the combustion machine control box (14), a fan direct current frequency converter (14-2) and a power supply relay (14-3).
2. The small-sized full-premixing variable frequency gas burner as claimed in claim 1, wherein: the direct current fan (5) comprises a volute (5-1), a fan impeller (5-2) and a direct current motor (5-3), wherein the fan impeller (5-2) and the direct current motor (5-3) are installed inside the volute (5-1).
3. The small-sized full-premixing variable frequency gas burner as claimed in claim 1, wherein: the metal fiber burner (9) is a heat-resistant metal fiber burner.
4. The small-sized full-premixing variable frequency gas burner as claimed in claim 1, wherein: the direct current fan (5) is a brushless 24V direct current motor.
5. The small-sized full-premixing variable frequency gas burner as claimed in claim 2, wherein: the fan impeller (5-2) is an antistatic PPS plastic impeller.
6. The small-sized full-premixing variable frequency gas burner as claimed in claim 1, wherein: the flame detector (10) is an ion rod.
7. The small-sized full-premixing variable frequency gas burner as claimed in claim 1, wherein: the flange (8) is provided with a plurality of flange connecting bolt holes (8-1), and the flange connecting bolt holes (8-1) are circular holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921002924.XU CN211084060U (en) | 2019-07-01 | 2019-07-01 | Small-size full premix frequency conversion gas combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921002924.XU CN211084060U (en) | 2019-07-01 | 2019-07-01 | Small-size full premix frequency conversion gas combustion engine |
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| Publication Number | Publication Date |
|---|---|
| CN211084060U true CN211084060U (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921002924.XU Active CN211084060U (en) | 2019-07-01 | 2019-07-01 | Small-size full premix frequency conversion gas combustion engine |
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| CN (1) | CN211084060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719298A (en) * | 2021-01-06 | 2022-07-08 | 北京京创鑫业科技有限公司 | Intelligent burner capable of adjusting gas quantity |
-
2019
- 2019-07-01 CN CN201921002924.XU patent/CN211084060U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719298A (en) * | 2021-01-06 | 2022-07-08 | 北京京创鑫业科技有限公司 | Intelligent burner capable of adjusting gas quantity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 053200 the west side of Yingbin Avenue, north of Kaiyuan Road, Jizhou District, Hengshui, Hebei. Patentee after: HEBEI CHUNFENG HEATING EQUIPMENT CO.,LTD. Address before: 053200 West of Yingbin Street and North of Kaiyuan Road, Jizhou District, Shijiazhuang City, Hebei Province Patentee before: HEBEI CHUNFENG HEATING EQUIPMENT CO.,LTD. |
|
| CP02 | Change in the address of a patent holder | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hebei Chunyuan new clean heating technology Co.,Ltd. Assignor: HEBEI CHUNFENG HEATING EQUIPMENT CO.,LTD. Contract record no.: X2022990000702 Denomination of utility model: A Small Full Premixed Variable Frequency Gas Burner Granted publication date: 20200724 License type: Common License Record date: 20220923 Assignee: Hebei Sanofi heating equipment Co.,Ltd. Assignor: HEBEI CHUNFENG HEATING EQUIPMENT CO.,LTD. Contract record no.: X2022990000701 Denomination of utility model: A Small Full Premixed Variable Frequency Gas Burner Granted publication date: 20200724 License type: Common License Record date: 20220923 Assignee: Shengchun Radiator Co.,Ltd. Assignor: HEBEI CHUNFENG HEATING EQUIPMENT CO.,LTD. Contract record no.: X2022990000700 Denomination of utility model: A Small Full Premixed Variable Frequency Gas Burner Granted publication date: 20200724 License type: Common License Record date: 20220923 |
|
| EE01 | Entry into force of recordation of patent licensing contract |