CN111947145A - Combustible gas burner - Google Patents
Combustible gas burner Download PDFInfo
- Publication number
- CN111947145A CN111947145A CN201910411026.8A CN201910411026A CN111947145A CN 111947145 A CN111947145 A CN 111947145A CN 201910411026 A CN201910411026 A CN 201910411026A CN 111947145 A CN111947145 A CN 111947145A
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- CN
- China
- Prior art keywords
- gas
- air
- gas mixture
- water tank
- normally open
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
Abstract
The utility model provides a combustible gas combustor, has a lower gas mixing casing, an upper portion jet head and a normal naked light unit, still has a middle part water tank, has at least one in this middle part water tank to be used for carrying the air gas mixture pipe that produces the burning of main fire and one to be used for carrying the air gas mixture pipe that produces the burning of normal naked fire, should be used for carrying the air gas mixture pipe that produces the burning of main fire and should be used for carrying the aquatic of the air gas mixture pipe that produces the burning of normal naked fire in this middle part water tank. When the combustible gas burner is used, no harsh noise is produced, the firepower is not reduced, the parts are not burnt out, and the heat efficiency is high.
Description
Technical Field
The invention relates to a burner, in particular to a combustible gas burner.
Background
A ready-to-use gas burner 300 is shown in figures 8 to 10. The gas burner 300 has a lower gas mixing housing 310, an intermediate support 320, an upper showerhead 330 and a normally open flame unit 340.
The intermediate support 320 is bowl-shaped having a bottom wall 321 and a peripheral wall 322. The bottom wall 321 is provided with a plurality of through holes 323, and the centers of the plurality of through holes 323 are on the same circular line.
The upper showerhead 330 is short sleeve shaped having a flange portion 331 and a conical wall portion 332. The inner wall of the flange portion 331 has a plurality of small circular through holes 333, the conical wall portion 332 has a plurality of vertical narrow openings 334, the small circular through holes 333 communicate with the outer wall surface of the conical wall portion 332 through inclined passages, and the vertical narrow openings 334 communicate with the outer wall surface of the conical wall portion 332 through straight passages.
The normally open flame unit 340 has an air inlet tubule 341, a gas inlet tubule 342, a central gas jet head 343, a high voltage electric igniter 344 and a flame-out protector 345.
When the combustible gas burner 300 is assembled, the lower end of the air inlet tubule 341 of the normally open flame unit 340 is in threaded sealing connection with the closing plate 314 of the gas mixing shell 310; part of the gas entering tubule 342 of the normally open fire unit 340 extends into the lower shell part 311 through a through hole on the circumferential wall of the lower shell part 311 of the gas mixing shell 310, one end of the gas entering tubule 342 is in threaded sealing connection with the middle of the air entering tubule 341, and the gas entering tubule 342 and the through hole on the circumferential wall of the lower shell part 311 are in sealing welding; the peripheral wall 322 of the intermediate holder 320 is supported on the upper housing part 312 of the gas mixing housing 310, and the upper end of the air inlet tubule 341 is projected upward from the center hole of the bottom wall 321 of the intermediate holder 320 in a sliding fit; a central gas nozzle 343 of the normally open fire unit 340 is sleeved on the upper end of the air inlet thin tube 341, and the lower end of the central gas nozzle 343 is supported on the bottom wall 321 of the intermediate support 320; supporting the flange portion 331 of the upper showerhead 330 on the peripheral wall 322 of the intermediate support 320; the high voltage igniter 344 and the flame out protector 345 of the normally open firing unit 340 are inserted through the upper housing portion 312 of the gas mixing housing 310 and the corresponding through holes in the bottom wall 321 of the intermediate support 320 and are sealingly connected thereto, with the high voltage igniter 344 and the flame out protector 345 being located at the upper end of the protective sleeve, inside the intermediate support 320, adjacent the central showerhead 343.
In use of the gas burner 300, air enters the lower housing portion 311 through the air inlet stub 317 of the gas mixing housing 310, gas enters the lower housing portion 311 through the gas inlet stub 318 of the gas mixing housing 310, the air and gas are initially mixed in the lower housing portion 311, then pass through the central through hole 316 of the baffle 313 into the upper housing portion 312 for further mixing, then pass through the plurality of through holes 323 in the bottom wall 321 of the intermediate support 320 into the space between the intermediate support 320 and the outer wall of the conical wall portion 332 of the upper showerhead 330 for final mixing, and finally are injected into the interior space of the upper showerhead 330 from the plurality of small circular through holes 333 and the plurality of vertical narrow openings 334 of the upper showerhead 330; at the same time, the mixture of air and gas is ejected from the central nozzle 343 of the normally open flame unit 340 and ignited by the high voltage igniter 344, and the mixture of air and gas ejected into the inner space of the upper nozzle 330 is ignited, and the combustible gas burner 300 enters a normal operation state.
The high temperature generated during combustion of the combustible gas burner causes the overall temperature of the combustible gas burner to be overhigh, which causes that:
(1) the pressure of the mixed gas of air and fuel gas is unstable, and the sound of whistling is generated;
(2) influence the entering of air and fuel gas, and the longer the combustion time is, the smaller the firepower is;
(3) the upper showerhead is easily burned out.
Disclosure of Invention
The invention provides an improved combustible gas burner, aiming at solving the technical problem that the overall temperature is overhigh during the combustion of the conventional combustible gas burner.
The combustible gas burner is characterized by also comprising a middle water tank, wherein at least one air-fuel gas mixture conduit for conveying air-fuel gas mixture for generating main fire combustion and one air-fuel gas mixture conduit for conveying air-fuel gas mixture for generating normal open fire combustion are arranged in the middle water tank, and the air-fuel gas mixture conduit for conveying air-fuel gas mixture for generating main fire combustion and the air-fuel gas mixture conduit for conveying air-fuel gas mixture for generating normal open fire combustion are arranged in water in the middle water tank.
Compared with the existing combustible gas burner, the combustible gas burner of the invention has the advantages that as the air-fuel gas mixture conduit for conveying the air-fuel gas mixture for generating main fire combustion and the air-fuel gas mixture conduit for conveying the air-fuel gas mixture for generating normal open fire combustion are positioned in the middle water tank, in the water in the middle water tank, the part of the combustible gas burner which is directly contacted with the high-temperature flue gas during combustion transfers heat to the air-gas mixed gas guide pipe, the air-gas mixture conduit transfers heat to the water outside the conduit and the air-gas mixture inside the conduit, thus, on one hand, the integral temperature of the combustible gas burner is not overhigh, no harsh noise is generated during burning, no firepower is reduced more and less, the parts contacted with the high-temperature flue gas can not be burnt out, and on the other hand, the temperature of the air-fuel gas mixture flowing through the air-fuel gas mixture guide pipe is increased after heat absorption, thereby being beneficial to improving the combustion efficiency.
The invention relates to a combustible gas burner, wherein a gas pipeline for conveying and generating auxiliary fire for combustion is communicated with an air-gas mixed gas conduit for conveying and generating normally open fire for combustion.
Thus, the combustible gas burner of the invention has the function of burning the main fire and the function of burning the auxiliary fire.
Drawings
FIG. 1 is a schematic longitudinal sectional view of a combustible gas burner of the invention;
FIG. 2 is a schematic longitudinal sectional view taken along line D-D in FIG. 1;
FIG. 3 is a longitudinal sectional view taken along line E-E in FIG. 1;
FIG. 4 is a longitudinal sectional view taken along line F-F in FIG. 1;
FIG. 5 is a longitudinal sectional view taken along line G-G in FIG. 1;
FIG. 6 is a longitudinal cross-sectional view of a combustible gas burner of the invention similar to that shown in FIG. 1, with the addition of air and gas lines and valves;
FIG. 7 is a longitudinal cross-sectional view of a combustible gas burner of the invention similar to that shown in FIG. 1, with the addition of air and gas lines and valves, unlike that shown in FIG. 6;
FIG. 8 is a schematic top view of an existing gas burner;
FIG. 9 is a longitudinal sectional view taken along line A-A in FIG. 8;
fig. 10 is a longitudinal sectional view taken along line B-B in fig. 8.
Detailed Description
The features and advantages of the gas burner of the present invention will become more apparent from the following description of the preferred embodiments of the gas burner of the present invention, taken in conjunction with the accompanying drawings.
Referring to fig. 1 to 5, the gas burner 500 has a lower gas mixing housing 510, a middle water tank 520, an upper gas spray head 530, a plurality of air-gas mixture conduits 550, and a normally open flame unit 540.
The gas mixing housing 510 has a partition 513 in the middle that separates the gas mixing housing 510 into a lower housing portion 511 and an upper housing portion 512. The lower housing portion 511 has a lower closure plate 514 at its lower end. A plurality of air guide pipes 515 inclined from the inside to the outside and from the left to the right are hermetically welded to a plurality of through holes of the lower closing plate 514, and the centers of the plurality of through holes are on the same circular line. The partition 513 has a central through hole 516. An air inlet stub 517 is provided below the lower closure plate 514 of the lower housing portion 511. The lower housing part 511 has a gas inlet stub 518 in its circumferential wall.
The middle tank 520 has a bottom wall plate 525, a top wall plate composed of a bottom wall plate 521, a peripheral wall plate 522 and a top wall plate 523, and a cylindrical wall plate 526. The upper end of the tank peripheral wall plate 522 is slightly higher than the upper surface of the tank top wall plate 523. Cylindrical wall 526 has a cooling water inlet and outlet.
The upper showerhead 530 has an annular closure plate 531, a generally conical guide sleeve 532, a support sleeve 536 and a cylindrical gas injection sleeve 533. The upper portion of the cylindrical air-jet sleeve 533 is provided with a plurality of small circular through holes 534. The cylindrical gas jet shroud 533 is formed with a plurality of vertical narrow openings 535 at its lower middle portion.
The normally open flame unit 540 has an air inlet tubule 541, a gas inlet tubule 542, a central gas jet 543, a high voltage electric igniter 544 and a flameout protector 545.
When the combustible gas burner 500 is assembled, the lower ends of the plurality of air-fuel gas mixture conduits 550 are hermetically welded with the hole walls of a plurality of through holes formed in the bottom wall plate 525 of the middle water tank 520, and the centers of the plurality of through holes are on the same circular line; the upper ends of a plurality of air-fuel gas mixture conduits 550 are hermetically welded with the hole walls of a plurality of through holes which are arranged on the groove top wall plate 523 of the middle water tank 520, and the centers of the plurality of through holes are on the same circular line; the air inlet tubule 541 of the normally open fire unit 540 is welded on the bottom wall plate 521 of the middle water tank 520 and the wall of the central hole of the bottom wall plate 525 in a sealing way; welding the bottom wall plate 525 of the middle tank 520 to the top end of the upper housing portion 512 of the gas mixing housing 510; the lower end of the air inlet tubule 541 of the normally open fire unit 540 is hermetically welded with the hole wall of the central hole of the lower sealing plate 514 of the gas mixing shell 510; part of the gas entering thin tube 542 of the normally open fire unit 540 extends into the upper shell part 512 through a through hole on the circumferential wall of the upper shell part 512 of the gas mixing shell 510, one end of the gas entering thin tube 542 is in threaded sealing connection with the middle of the air entering thin tube 541, and is in sealing welding with the wall of the through hole on the circumferential wall of the gas entering thin tube 542 and the upper shell part 512; the lower ends of a supporting sleeve 536, a conical guide sleeve 532 and a cylindrical jet sleeve 533 of the upper jet head 530 are supported on a groove top wall plate 523 of the middle water tank 520, the lower end of the conical guide sleeve 532 is positioned outside the upper ends of a plurality of air-gas mixture guide pipes 550, and the lower end of the cylindrical jet sleeve 533 is sleeved outside the upper end of a groove peripheral wall plate 522 of the middle water tank 520; the annular closure plate 531 of the upper showerhead 530 is supported at the upper ends of the support sleeves 536, the conical guide sleeves 532 and the cylindrical gas injection sleeve 533; the central air nozzle 543 of the normally open fire unit 540 is sleeved on the upper end of the air inlet tubule 541, and the lower end of the central air nozzle 543 is supported on the bottom wall plate 521 of the middle water tank 520; the high voltage igniter 544 and the protective sleeve of the extinguisher 545 of the normally open fire unit 540 pass through and are sealingly connected to the corresponding through holes of the bottom wall plate 525 and the bottom wall plate 521 of the middle water tank 520 and the upper housing portion 512 of the gas mixing housing 510, and the high voltage igniter 544 and the extinguisher 545 are located at the upper end of the protective sleeve, above the bottom wall plate 521 of the middle water tank 520, adjacent to the central gas showerhead 543.
When the combustible gas burner 500 is used, air enters the lower shell portion 511 through the air inlet short pipe 517 of the gas mixing shell 510, fuel gas enters the lower shell portion 511 through the fuel gas inlet short pipe 518 of the gas mixing shell 510, the air and the fuel gas are primarily mixed in the lower shell portion 511, then pass through the central through hole 516 of the partition 513 and enter the upper shell portion 512 for further mixing, then enter a space between the inner wall of the guide sleeve 532 of the upper gas nozzle 530 and the outer wall of the cylindrical gas injection sleeve 533 through a plurality of air-fuel gas mixture conduits 550 for final mixing, and finally are injected into the inner space of the cylindrical gas injection sleeve 533 from the plurality of small circular through holes 534 and the plurality of vertical narrow openings 535 of the cylindrical gas injection sleeve 533; at the same time, the mixture of air and gas is ejected from the central nozzle 543 of the normally open flame unit 540 and ignited by the high voltage igniter 544, and the mixture of air and gas ejected into the inner space of the cylindrical nozzle 533 is ignited, so that the combustible gas burner 500 enters a normal operation state.
A plurality of air-gas mixture conduits 550 and air inlet tubules 541 of a gas burner 500 of the present invention are positioned in a middle water tank 520, each of the air-gas mixture conduits 550 and the air inlet tubules 541 is surrounded by water in the middle water tank 520, and high temperature gas generated by combustion heats an annular closing plate 531 of an upper showerhead 530, a substantially conical guide sleeve 532, a cylindrical gas-ejecting sleeve 533, and a top wall plate of the middle water tank 520 to increase their temperatures, but since the upper ends of the air inlet tubules 541 of the plurality of air-gas mixture conduits 550 and a normally open flame unit 540 are hermetically welded to a groove top wall plate 523 of the top wall plate of the middle water tank 520, the heat of the annular closing plate 531, the substantially conical guide sleeve 532, and the cylindrical gas-ejecting sleeve 533 is continuously transferred to the plurality of air-gas mixture conduits 550 and the air inlet tubules 541, and the plurality of air-gas mixture conduits 550 and air inlet tubules 541 transfer heat to the air-gas mixture conduits 550 and the air-gas mixture conduits 541 flowing therein The gas and the water outside the gas, on the one hand, prevent the overall temperature of the gas burner 500 from being too high, which causes the above-mentioned defects of the existing gas burner 300, and on the other hand, the temperature of the air-gas mixture is raised after absorbing heat, which is beneficial to improving the combustion efficiency.
A piping system 600 for supplying air and gas to the gas burner 500 is shown in fig. 6. An air line 606 is connected at one end to an air inlet stub 517 of the gas mixing housing 510 and at the other end to an outlet of a blower 608. A gas line 607 is connected at one end to a gas inlet stub 518 of the gas mixing housing 510 and at the other end to the outlet of a valve 604. A gas line 605 has one end connected to the gas inlet tubule 542 of the normally open flame unit 540 and the other end connected to the outlet of a valve 603. One end of a gas main pipe 601 is connected to one port of a tee pipe 602, and the other two ports of the tee pipe 602 are connected to the inlet of the valve 603 and the inlet of the valve 604 through a short pipe 611 and a short pipe 612, respectively.
Referring to the piping system 600 for supplying air and gas shown in fig. 6, the start-up fan 608 can supply air into the lower housing portion 511 of the gas mixing housing 510 of the gas burner 500 and air into the narrow tubes 541 of the normally open fire unit 540 of the gas burner 500 through the air pipe 606, and open the valve 603 and supply gas into the narrow tubes 542 of the normally open fire unit 540 of the gas burner 500 through the gas pipe 605, so that the air-gas mixture can be ejected from the central nozzle 543 of the normally open fire unit 540 of the gas burner 500 to produce normally open fire combustion; opening the valve 604 allows the gas to be supplied through the gas line 607 into the lower housing portion 511 of the gas mixing housing 510 of the gas burner 500, so that the air-gas mixture can be ejected from the cylindrical jet sleeve 533 of the upper jet head 530 of the gas burner 500 to produce main fire combustion. The constant open flame combustion will be maintained as long as the fan 608 is operating.
A piping system 700 for supplying air and gas to the gas burner 500 is shown in fig. 7. An air line 606 is connected at one end to an air inlet stub 517 of the gas mixing housing 510 and at the other end to an outlet of a blower 608. A gas line 607 is connected at one end to a gas inlet stub 518 of the gas mixing housing 510 and at the other end to an outlet of a three-way valve 613. One end of a gas line 605 is connected to a gas inlet tubule 542 of the normally open fire unit 540, and the other end is connected to the other outlet of the three-way valve 613. A gas line 610 has one end connected to the gas inlet tubule 542 of the normally open fire unit 540 and the other end connected to the outlet of a valve 614. One end of a gas manifold 601 is connected to one port of a tee pipe 602, and the other two ports of the tee pipe 602 are connected to the inlet of a valve 614 and the inlet of a three-way valve 613 through a short pipe 611 and a short pipe 612, respectively.
Referring to the piping system 700 for supplying air and gas shown in fig. 7, the start-up fan 608 can supply air into the lower housing portion 511 of the gas mixing housing 510 of the gas burner 500 and air into the narrow tubes 541 of the normally open fire unit 540 of the gas burner 500 through the air pipe 606, and open the valve 614 can supply gas into the narrow tubes 542 of the normally open fire unit 540 of the gas burner 500 through the gas pipe 610, so that the air-gas mixture can be ejected from the central nozzle 543 of the normally open fire unit 540 of the gas burner 500 to produce normally open fire combustion; opening and adjusting the three-way valve 613 can supply gas into the lower housing portion 511 of the gas mixing housing 510 of the gas burner 500 through the gas line 607, so that the air-gas mixture can be ejected from the cylindrical jet sleeve 533 of the upper jet head 530 of the gas burner 500 to produce main fire combustion; the three-way valve 613 is opened and adjusted to supply the gas into the narrow tubes 542 of the normally open fire unit 540 of the gas burner 500 through the gas line 605, so that the air-gas mixture can be ejected from the central nozzle 543 of the normally open fire unit 540 of the gas burner 500 to generate the secondary fire combustion; the opening degree of the three-way valve 613 is adjusted to control the intensity of the main flame combustion alone or the sub flame combustion alone, or the main flame combustion and the sub flame combustion together and the main flame combustion and the sub flame combustion. The constant open flame combustion will be maintained as long as the fan 608 is operating.
Claims (2)
1. A combustible gas burner has a lower gas mixing shell, an upper gas nozzle and a normally open fire unit, and is characterized by also having a middle water tank, wherein the middle water tank is internally provided with at least one air-gas mixture conduit for conveying air to generate main fire combustion and one air-gas mixture conduit for conveying air to generate normally open fire combustion, and the air-gas mixture conduit for conveying air to generate main fire combustion and the air-gas mixture conduit for conveying air to generate normally open fire combustion are arranged in water in the middle water tank.
2. The gas burner as claimed in claim 1, wherein a gas line for supplying a gas for generating a secondary combustion is connected to the gas conduit for supplying an air-gas mixture for generating a normally open combustion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910411026.8A CN111947145A (en) | 2019-05-17 | 2019-05-17 | Combustible gas burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910411026.8A CN111947145A (en) | 2019-05-17 | 2019-05-17 | Combustible gas burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111947145A true CN111947145A (en) | 2020-11-17 |
Family
ID=73336086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910411026.8A Pending CN111947145A (en) | 2019-05-17 | 2019-05-17 | Combustible gas burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111947145A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10109895A1 (en) * | 2000-03-09 | 2001-09-13 | Elfriede Herzog | Gas-air mixture feed system bubbles gas through water prior to combustion and involves mixture fed through flowing thin film of water whose flow direction is at ninety degrees to that of mixture |
| CN101280916A (en) * | 2008-05-14 | 2008-10-08 | 天津市赛洋工业炉有限公司 | Thermal storage type oxygen-enriched combusting method and device |
| CN201706550U (en) * | 2010-05-07 | 2011-01-12 | 上海复济节能技术有限公司 | Double-independent-oxygen-supply high-efficient energy-saving environment-friendly burner |
| CN103471102A (en) * | 2013-08-19 | 2013-12-25 | 刁辉 | Energy-saving dual-purpose furnace end using alcohol-based fuel |
| CN104764017A (en) * | 2015-04-20 | 2015-07-08 | 河北工业大学 | Water-cooling type gas burner |
| CN206269179U (en) * | 2016-11-14 | 2017-06-20 | 武汉市裕晨节能环保厨房设备厂 | A kind of efficiently Jing Yin bispin pre-mixing furnace end |
-
2019
- 2019-05-17 CN CN201910411026.8A patent/CN111947145A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10109895A1 (en) * | 2000-03-09 | 2001-09-13 | Elfriede Herzog | Gas-air mixture feed system bubbles gas through water prior to combustion and involves mixture fed through flowing thin film of water whose flow direction is at ninety degrees to that of mixture |
| CN101280916A (en) * | 2008-05-14 | 2008-10-08 | 天津市赛洋工业炉有限公司 | Thermal storage type oxygen-enriched combusting method and device |
| CN201706550U (en) * | 2010-05-07 | 2011-01-12 | 上海复济节能技术有限公司 | Double-independent-oxygen-supply high-efficient energy-saving environment-friendly burner |
| CN103471102A (en) * | 2013-08-19 | 2013-12-25 | 刁辉 | Energy-saving dual-purpose furnace end using alcohol-based fuel |
| CN104764017A (en) * | 2015-04-20 | 2015-07-08 | 河北工业大学 | Water-cooling type gas burner |
| CN206269179U (en) * | 2016-11-14 | 2017-06-20 | 武汉市裕晨节能环保厨房设备厂 | A kind of efficiently Jing Yin bispin pre-mixing furnace end |
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