CN212430840U - Boiler capable of automatically adjusting air and gas combustion mixing ratio - Google Patents
Boiler capable of automatically adjusting air and gas combustion mixing ratio Download PDFInfo
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- CN212430840U CN212430840U CN202020909925.9U CN202020909925U CN212430840U CN 212430840 U CN212430840 U CN 212430840U CN 202020909925 U CN202020909925 U CN 202020909925U CN 212430840 U CN212430840 U CN 212430840U
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Abstract
The utility model relates to an automatic adjust boiler of air gas combustion mixing ratio belongs to boiler waste heat recovery and utilizes's technical field, and it includes the boiler body, boiler body top is provided with tail gas treatment box, tail gas treatment box is connected with tail gas pipe and recovery tube, be equipped with in the tail gas treatment box and carry the tail gas recovery unit in the recovery tube with tail gas, be connected with the hybrid tube on the boiler body, the one end that the boiler body was kept away from to the hybrid tube is connected with the air intake pipe, be provided with the inlet end of being connected with the recovery tube on the hybrid tube, the inlet end is the contained angle setting in the air intake pipe, the hybrid tube inner wall is provided with spiral guide plate. The utility model has the advantages of can mix waste gas and air, make the gas burning more abundant.
Description
Technical Field
The utility model belongs to the technical field of boiler waste heat recovery's technique and specifically relates to a boiler of automatically regulated air gas combustion mixing ratio is related to.
Background
The boiler is an energy converter, and is a device for heating working medium water or other fluids to certain parameters by using heat energy released by fuel combustion or other heat energy, wherein the fuel generates a large amount of tail gas in the combustion process, and more heat energy in the tail gas is directly discharged into the air, so that the heat is wasted, and the energy-saving and environment-friendly effects are realized.
The Chinese patent with the publication number of CN205079438U discloses an energy-saving boiler capable of automatically adjusting the air-gas combustion mixing ratio, which comprises a boiler body, wherein the boiler body comprises a main heating cabin and an auxiliary heating cabin, the main heating cabin is connected with a combustion cabin, the combustion cabin is connected with a gas inlet pipe, the upper surface of the auxiliary heating cabin is connected with a smoke exhaust pipe, a smoke outlet at the upper end of the smoke exhaust pipe is provided with a driving turbine, the upper surface of the auxiliary heating cabin is fixedly connected with a power transmission cabin, a driven turbine is arranged in the power transmission cabin, the driving turbine and the driven turbine are connected and driven through a gear transmission device, and the right side surface of the power transmission cabin is fixedly connected with a gas transmission; when the device is used, the exhaust gas discharged by the smoke exhaust pipe drives the driving turbine to rotate, the driving turbine drives the driven turbine to rotate through the gear transmission device, the driven turbine conveys gas to the gas conveying pipeline through rotation, then the combustion chamber is pressurized, and the combustion ratio is improved.
The above prior art solutions have the following drawbacks: the mixing of the waste gas input from the gas transmission pipeline to the combustion chamber and the fresh air is insufficient, so that the local area of the waste gas is over-rich or over-lean, the oxygen concentration of each part in the combustion chamber is uneven, partial gas cannot be completely combusted, and the resource waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a boiler of automatically regulated air gas combustion mixing ratio has and can mix waste gas and air, makes the more abundant advantage of gas combustion to the not enough of prior art existence.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides an automatic adjust boiler of air gas combustion mixing ratio, includes the boiler body, boiler body top is provided with tail gas treatment box, tail gas treatment box is connected with tail gas pipe and recovery tube, the incasement is equipped with the tail gas recovery unit who carries the recovery tube with tail gas treatment, be connected with the hybrid tube on the boiler body, the one end that the boiler body was kept away from to the hybrid tube is connected with the air intake pipe, be provided with the inlet end of being connected with the recovery tube on the hybrid tube, the inlet end is the contained angle setting in the air intake pipe, the hybrid tube inner wall is provided with spiral guide plate.
Through adopting above-mentioned technical scheme, tail gas mixes with the air in getting into the hybrid tube through the recovery tube, and the inlet end is the contained angle setting with air intake pipe, makes the waste gas that gets into from the inlet end be helical motion along the hybrid tube axial, and the spiral deflector can further lead waste gas, makes tail gas and air mixing more even, makes this internal phenomenon that local waste gas is too thick that can not appear in the boiler, and the gas combustion is more abundant.
The utility model discloses further set up to: the mixing pipe is vertically arranged, a water storage part is arranged at the bottom of the mixing pipe, a drain valve is arranged at the water storage part, and a connecting pipe communicated with the boiler body is arranged on the side wall of the mixing pipe.
Through adopting above-mentioned technical scheme, contain vapor in the tail gas of natural gas burning, vapor can condense at the hybrid tube inside when high temperature tail gas meets with the air, then flows to the water storage portion under the action of gravity, when using a period water storage portion accumulation to have more water, opens the drain valve and discharges water.
The utility model discloses further set up to: the mixing pipe is internally provided with a flow guide pipe, the flow guide pipe is connected with an air inlet pipe, and the flow guide pipe is provided with a plurality of exhaust holes.
Through adopting above-mentioned technical scheme, the air gets into in the water conservancy diversion pipe from the intake pipe, then mixes with tail gas in getting into the hybrid tube from the exhaust hole, makes air and tail gas mixture more abundant.
The utility model discloses further set up to: venturi tubes are arranged between the flow guide pipe and the air inlet pipe, and the air inlet ends are aligned to the joints of the Venturi tubes and the flow guide pipe.
Through adopting above-mentioned technical scheme, the air is when passing through venturi, and the air current is by thick attenuate to accelerate air flow rate, make the air form a low-pressure zone in venturi export rear side, the low-pressure zone plays certain adsorption to the tail gas that gets into from the inlet end, makes tail gas can get into in the hybrid tube more smoothly.
The utility model discloses further set up to: the air inlet end is provided with a filter screen.
Through adopting above-mentioned technical scheme, the filter screen can filter the impurity in the tail gas, avoids the impurity in the tail gas to get back to the boiler body again internally, makes the burning in the boiler more stable.
The utility model discloses further set up to: the tail gas recovery device comprises a first turbine arranged in the tail gas treatment box, the first turbine is coaxially connected with a first bevel gear, a second turbine is arranged in the recovery pipe, the second turbine is coaxially connected with a second bevel gear meshed with the first bevel gear, and the number of teeth of the first bevel gear is larger than that of the second bevel gear.
Through adopting above-mentioned technical scheme, the turbine is ordered about to rotate from this internal exhaust tail gas of boiler, and turbine two is ordered about to rotate through the cooperation of bevel gear one and bevel gear two, and in turbine two inhales the recovery pipe with the tail gas of tail gas processing incasement, because bevel gear tooth number is greater than bevel gear two, so the rotational speed of turbine two is greater than the rotational speed of turbine one, makes the suction of turbine two great, makes tail gas can be inhaled in the recovery pipe.
The utility model discloses further set up to: and hollow grooves are formed in the first bevel gear and the second bevel gear.
Through adopting above-mentioned technical scheme, the fretwork groove can reduce bevel gear one and bevel gear two's weight, makes transmission efficiency higher, and bevel gear one in this scheme and bevel gear two's load is less, can not take place to damage when the transmission because of opening there is the fretwork groove.
The utility model discloses further set up to: and the outer wall of the recovery pipe is provided with a heat insulation sleeve.
Through adopting above-mentioned technical scheme, because the tail gas temperature is higher, the temperature of recovery tube also can be higher, and the insulator can avoid the staff to be scalded when touching the recovery tube by mistake.
To sum up, the utility model discloses a beneficial technological effect does:
1. the tail gas and the air are mixed in the mixing pipe, so that the phenomenon of over-concentration of local waste gas in the boiler body is avoided, and the gas is more fully combusted;
2. through setting up spiral guide plate and water conservancy diversion cover, make the mixture of tail gas and air more even.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the exhaust treatment tank of FIG. 1;
fig. 3 is a schematic sectional structure view of the mixing tube of fig. 1.
In the figure, 1, a boiler body; 2. a tail gas treatment tank; 3. a recovery pipe; 4. a mixing tube; 5. an air inlet pipe; 6. a tail gas recovery device; 61. a first turbine; 62. a first bevel gear; 63. a second turbine; 64. a second bevel gear; 65. a first bracket; 66. a second bracket; 67. a first rotating shaft; 68. a second rotating shaft; 69. hollowing out the grooves; 7. an air inlet end; 8. a filter screen; 9. a spiral deflector; 10. a venturi tube; 11. a flow guide pipe; 12. an exhaust hole; 13. a water storage part; 14. a drain pipe; 15. a drain valve; 16. and (4) connecting the pipes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses an automatic boiler of air gas combustion mixing ratio of adjusting, including boiler body 1, boiler body 1 top is fixed with tail gas treatment case 2, and tail gas treatment case 2 is connected with recovery tube 3, and recovery tube 3 is connected with hybrid tube 4, and 4 one ends of hybrid tube are connected with air intake pipe 5, and the other end is connected in boiler body 1, is equipped with in the tail gas treatment case 2 and carries tail gas recovery unit 6 in the recovery tube 3 with tail gas.
The outer wall of the recovery pipe 3 is sleeved with a heat insulation sleeve which is made of aerogel felt.
Referring to fig. 2, the tail gas recovery device 6 includes a first support 65 fixed in the tail gas treatment tank 2, a first vertically-arranged rotating shaft 67 is rotatably connected to the first support 65, a first turbine 61 is fixed at the top end of the first rotating shaft 67, a first bevel gear 62 is fixed at the bottom end of the second rotating shaft 68, a second support 66 is fixed in the recovery pipe 3, a second horizontally-arranged rotating shaft 68 is rotatably connected to the second support 66, a second turbine 63 is fixed at the other end of the second bevel gear 64 engaged with the first bevel gear 62 and fixed at one end of the second rotating shaft 68, the gear ratio of the first bevel gear 62 to the second bevel gear 64 is 3:1, and hollow grooves 69 are respectively formed in the first bevel gear 62 and the second bevel gear.
Referring to fig. 1 and 3, 4 vertical settings of hybrid tube, 4 tops of hybrid tube are through ring flange and 5 coaxial coupling of air intake pipe, be provided with inlet end 7 of being connected with recovery tube 3 on the 4 lateral walls of hybrid tube, the one end that the hybrid tube 4 was kept away from to inlet end 7 is fixed with filter screen 8, inlet end 7 passes through the ring flange with recovery tube 3 and is connected, inlet end 7 is the contained angle setting in air intake pipe 5, and the contained angle is preferably thirty degrees, 4 inner walls of hybrid tube are provided with spiral guide plate 9, tail gas passes through in recovery tube 3 and the inlet end 7 entering hybrid tube 4, and do the helical motion downwards along 4 axial of hybrid tube.
Mixing tube 4 internal fixation has venturi 10 of being connected with air intake pipe 5, and venturi 10 is hourglass shape, and venturi 10 bottom is connected with honeycomb duct 11, has seted up a plurality of exhaust holes 12 on the honeycomb duct 11, and air gets into in the honeycomb duct 11 back gets into mixing tube 4 from exhaust hole 12, then mixes with the tail gas in the mixing tube 4.
The inlet end 7 is just right venturi tube 10 and honeycomb duct 11 junction, and when the air passed through venturi tube 10, the air current was by thick attenuate to accelerate air flow rate, make the air form a low-pressure area at venturi tube 10 export rear side, the low-pressure area plays certain adsorption to the tail gas that gets into from inlet end 7, makes tail gas can get into in the hybrid tube 4 more smoothly.
The bottom of mixing tube 4 is provided with water storage portion 13, and water storage portion 13 is the back taper, and water storage portion 13 bottom is connected with drain pipe 14, is provided with drain valve 15 on the drain pipe 14.
The side wall of the mixing pipe 4 is provided with a connecting pipe 16 positioned above the water storage part 13, the connecting pipe 16 is perpendicular to the mixing pipe 4, and one end of the connecting pipe 16 far away from the mixing pipe 4 is communicated with the boiler body 1.
The implementation principle of the embodiment is as follows: in the ascending tail gas treatment box 2 that gets into that produces during the burning in the boiler body 1, in tail gas recovery unit 6 carried tail gas to recovery tube 3, then tail gas passes through in recovery tube 3 gets into mixing tube 4 to be spiral motion along 4 axial of mixing tube, carry out intensive mixing with the air, then get back to in the boiler body 1 through connecting pipe 16.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an automatic adjust boiler of air gas combustion mixture ratio, includes boiler body (1), boiler body (1) top is provided with tail gas treatment box (2), tail gas treatment box (2) are connected with tail gas pipe and recovery tube (3), be equipped with in tail gas treatment box (2) and carry tail gas recovery unit (6) in recovery tube (3) with tail gas, its characterized in that: be connected with hybrid tube (4) on boiler body (1), the one end that boiler body (1) was kept away from in hybrid tube (4) is connected with air intake pipe (5), be provided with inlet end (7) of being connected with recovery tube (3) on hybrid tube (4), inlet end (7) are the contained angle setting in air intake pipe (5), hybrid tube (4) inner wall is provided with spiral guide plate (9).
2. The boiler for automatically adjusting a mixing ratio of air and gas combustion as set forth in claim 1, wherein: mixing tube (4) vertical setting, mixing tube (4) bottom are provided with water storage portion (13), water storage portion (13) are provided with drain valve (15), mixing tube (4) lateral wall is provided with connecting pipe (16) with boiler body (1) intercommunication.
3. The boiler for automatically adjusting a mixing ratio of air and gas combustion as set forth in claim 2, wherein: be provided with honeycomb duct (11) in hybrid tube (4), honeycomb duct (11) are connected with air intake pipe (5), a plurality of exhaust holes (12) have been seted up on honeycomb duct (11).
4. A boiler for automatically adjusting a mixing ratio of air and gas combustion according to claim 3, wherein: venturi tube (10) is arranged between the flow guide tube (11) and the air inlet pipe (5), and the air inlet end (7) is just opposite to the joint of the Venturi tube (10) and the flow guide tube (11).
5. The boiler for automatically adjusting a mixing ratio of air and gas combustion as set forth in claim 4, wherein: the air inlet end (7) is provided with a filter screen (8).
6. The boiler for automatically adjusting a mixing ratio of air and gas combustion as set forth in claim 1, wherein: the tail gas recovery device (6) comprises a first turbine (61) arranged in the tail gas treatment box (2), the first turbine is coaxially connected with a first bevel gear (62), a second turbine (63) is arranged in the recovery pipe (3), the second turbine (63) is coaxially connected with a second bevel gear (64) meshed with the first bevel gear (62), and the number of teeth of the first bevel gear (62) is larger than that of the second bevel gear (64).
7. The boiler for automatically adjusting a mixing ratio of air and gas combustion as set forth in claim 6, wherein: and hollow grooves (69) are formed in the first bevel gear (62) and the second bevel gear (64).
8. The boiler for automatically adjusting a mixing ratio of air and gas combustion as set forth in claim 1, wherein: and the outer wall of the recovery pipe (3) is provided with a heat insulation sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020909925.9U CN212430840U (en) | 2020-05-26 | 2020-05-26 | Boiler capable of automatically adjusting air and gas combustion mixing ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020909925.9U CN212430840U (en) | 2020-05-26 | 2020-05-26 | Boiler capable of automatically adjusting air and gas combustion mixing ratio |
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| Publication Number | Publication Date |
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| CN212430840U true CN212430840U (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020909925.9U Active CN212430840U (en) | 2020-05-26 | 2020-05-26 | Boiler capable of automatically adjusting air and gas combustion mixing ratio |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116576575A (en) * | 2023-07-04 | 2023-08-11 | 连云港格瑞智慧能源科技有限公司 | Energy-saving consumption-reducing system for boiler and application method thereof |
-
2020
- 2020-05-26 CN CN202020909925.9U patent/CN212430840U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116576575A (en) * | 2023-07-04 | 2023-08-11 | 连云港格瑞智慧能源科技有限公司 | Energy-saving consumption-reducing system for boiler and application method thereof |
| CN116576575B (en) * | 2023-07-04 | 2024-01-19 | 连云港格瑞智慧能源科技有限公司 | Boiler system and use method thereof |
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