CN209763068U - Closely mix wind and get into combustor - Google Patents
Closely mix wind and get into combustor Download PDFInfo
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- CN209763068U CN209763068U CN201920319697.7U CN201920319697U CN209763068U CN 209763068 U CN209763068 U CN 209763068U CN 201920319697 U CN201920319697 U CN 201920319697U CN 209763068 U CN209763068 U CN 209763068U
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- air
- fixedly connected
- mixing
- pipe
- hydrophobic
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000003546 flue gas Substances 0.000 claims abstract description 15
- 230000002209 hydrophobic effect Effects 0.000 claims description 23
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 230000001174 ascending effect Effects 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 238000004064 recycling Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000002349 favourable effect Effects 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of burners, in particular to a short-distance mixed air inlet burner, which comprises a burner and an air blower, wherein the front end surface of the burner is fixedly connected with a connecting air pipe, the top end of the connecting air pipe is fixedly connected with the air blower, the left end surface of the air blower is fixedly connected with a mixing air pipe, the front side of the left end surface of the mixing air pipe is fixedly connected with a cold air inlet, the top end of the mixing air pipe is fixedly connected with a recycling flue gas inlet, the outer side of the recycling flue gas inlet is fixedly connected with a recycling flue, the right end surface of the mixing air pipe is fixedly connected with an air blower inlet of mixed air, the inner side of the connecting air pipe is fixedly connected with a flow equalizing plate, the bottom end of the flow equalizing plate is fixedly connected with a flow guide pipe, the inner side bottom end of the mixing air pipe is fixedly connected with, after the boiler operates for a long time, the baffle plate of the mixing air duct needs to be replaced very conveniently when being corroded, and the boiler can be maintained conveniently.
Description
Technical Field
the utility model relates to a combustor technical field specifically is a closely mix wind and get into combustor.
Background
the burner is a device for spraying and mixing fuel and air in a certain mode for combustion, and is divided into an industrial burner, a civil burner and a special burner according to types and application fields.
At present, non-low-nitrogen combustors of gas-fired boilers all adopt two forms of integrated machines and split machines, and the mode is that cold air is directly fed into the combustors to be mixed with fuel and then is combusted; with the popularization and the use of the low-nitrogen burner, after the recycling flue gas technology is widely applied, when the recycling flue gas technology is used in a cold season in northern areas, a large amount of condensed water is separated out after cold air and recycling flue gas are directly ventilated to a main pipe to be mixed, so that an air duct is quickly corroded, and the service life of a fan is influenced; meanwhile, when the space is arranged in a tense manner, the air inlet of the outlet of the fan is easy to deviate seriously, and the air inlet of the combustor is uneven, so that the close-range mixed air entering combustor is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
an object of the utility model is to provide a mix wind closely and get into combustor to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
A close-range mixed air entering burner comprises a burner and a blower, wherein the front end surface of the burner is fixedly connected with a connecting air pipe, the top end of the connecting air pipe is fixedly connected with a blower, the left end surface of the blower is fixedly connected with a wind mixing barrel, the front side of the left end surface of the air mixing barrel is fixedly connected with a cold air inlet, the top end of the air mixing barrel is fixedly connected with a recirculated flue gas inlet, the outer side of the recirculation flue gas inlet is fixedly connected with a recirculation flue, the right end face of the air mixing barrel is fixedly connected with an air blower inlet of mixed air, the inner side of the connecting air pipe is fixedly connected with a flow equalizing plate, the bottom end of the flow equalizing plate is fixedly connected with a flow guide pipe, the bottom end of the inner side of the air mixing barrel is fixedly connected with a hydrophobic disc, the bottom end of the hydrophobic disc is fixedly connected with a hydrophobic drainage tube, and the outer side of the hydrophobic drainage tube is in threaded connection with a threaded chock block.
Preferably, the equal fixedly connected with honeycomb duct in inboard bottom of connecting tuber pipe, hydrophobic dish and mixing wind section of thick bamboo, the bottom and the horizontal plane of hydrophobic dish are ascending 5 degrees angles.
Preferably, the drain pan is located 30 mm above the bottom end of the air mixing barrel, and the flow equalizing plate is located 168.5 mm above the outlet of the connecting air pipe.
Preferably, the inner diameter of the hydrophobic disc is 2 mm smaller than that of the air mixing barrel, the height of the hydrophobic disc is 105 mm, and the height of the flow equalizing plate is 25 mm.
Preferably, the drainage tube is positioned at the center of the bottom end of the drainage disc, and the threaded plug block is rotatably connected with the air mixing cylinder through the drainage tube.
compared with the prior art, the beneficial effects of the utility model are that:
1. In the utility model, through the cold air inlet, the recirculation flue and the air mixing cylinder, as the recirculation flue gas and the air are mixed in a single space, condensed water can be generated at the place when being separated out, and the condensed water can be effectively discharged through the drainage device at the place, so that the requirement of long-term operation of the boiler can be met, and the service life can be prolonged;
2. In the utility model, the diversion pipe, the flow equalizing plate and the drainage tray are arranged, and the drainage device after air mixing and the bias flow condition in the short-distance air pipe are improved, so the requirement of safe operation of the boiler can be met, and the safety in use can be ensured;
3. In the utility model, through the arrangement of the recirculation flue, the flow equalizing plate and the air blower, as the multiple low-nitrogen natural gas burners all need the mixed air supply of the recirculated flue gas and the air, and the distance between the connecting air pipes is small when the modular gas boiler is manufactured, the arrangement of the air mixing cylinder structure and the flow equalizing plate can be popularized and adopted, and the application range of the device can be enlarged;
4. this use is novel, through the mixed tuber pipe, air-blower and the combustor that set up, after the boiler long-term operation if the baffle of mixing the dryer corrodes need to be changed very conveniently, can be convenient maintain the boiler.
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 air mixing pipe of the present invention;
Fig. 3 is a schematic view of the internal structure of the connecting duct of the present invention.
In the figure: 1-combustor, 2-connecting air pipe, 3-blower, 4-air mixing barrel, 5-cold air inlet, 6-recirculation flue, 7-recirculation flue gas inlet, 8-blower inlet of mixed air, 9-draft tube, 10-hydrophobic disc, 11-hydrophobic drainage tube, 12-threaded chock block and 13-flow equalizing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
A short-distance mixed air entering burner comprises a burner 1 and an air blower 3, wherein a connecting air pipe 2 is fixedly connected to the front end face of the burner 1, the air blower 3 is fixedly connected to the top end of the connecting air pipe 2, a mixing air pipe 4 is fixedly connected to the left end face of the air blower 3, a cold air inlet 5 is fixedly connected to the front side of the left end face of the mixing air pipe 4, a recirculation flue gas inlet 7 is fixedly connected to the top end of the mixing air pipe 4, a recirculation flue gas inlet 6 is fixedly connected to the outer side of the recirculation flue gas inlet 7, a mixed air blower inlet 8 is fixedly connected to the right end face of the mixing air pipe 4, a flow equalizing plate 13 is fixedly connected to the inner side of the connecting air pipe 2, a guide pipe 9 is fixedly connected to the bottom end of the flow equalizing plate 13, a dewatering tray 10 is fixedly connected to the inner side bottom end of the mixing air pipe 4, and a dewatering drainage, the outer side of the drainage tube 11 is in threaded connection with a threaded chock 12.
The bottom ends of the inner sides of the connecting air pipe 2, the hydrophobic disc 10 and the air mixing cylinder 4 are all fixedly connected with a flow guide pipe 9, the bottom end of the hydrophobic disc 10 and the horizontal plane form an upward 5-degree angle, the arrangement is favorable for cleaning condensed water, the hydrophobic disc 10 is positioned 30 mm above the bottom end of the air mixing barrel 4, the flow equalizing plate 13 is positioned 168.5 mm at the outlet of the connecting air pipe 2, the arrangement is favorable for fixing the hydrophobic disc 10 and the flow equalizing plate 13 well, the inner diameter of the hydrophobic disc 10 is 2 mm smaller than that of the air mixing barrel 4, the height of the hydrophobic pan 10 is 105 mm, the height of the flow equalizing plate 13 is 25 mm, the arrangement is favorable for storing condensed water, the drainage tube 11 is positioned at the central position of the bottom end of the drainage tray 10, the threaded plug block 12 is rotatably connected with the air mixing barrel 4 through the hydrophobic drainage tube 11, and the arrangement is favorable for sealing the hydrophobic drainage tube 11.
The burner 1 was model BT35N burner and the blower 3 was model YHSSR100 blower.
The working process is as follows: all electrical appliances of the device are external power supplies, when the device is used, the work of the burner 1 can generate hot air, part of the hot air can enter the inner side of the air mixing barrel 4 from the inner side of the air blower inlet 8 of the mixed air through the action of the air blower 3 and the action of the connecting air pipe 2, so as to be mixed with cold air entering from the inner side of the cold air inlet 5, the combination of the cold air and the hot air can generate condensed water, part of the condensed water on the surfaces of the connecting air pipe 2 and the air mixing barrel 4 can flow to the inner side of the draft tube 9, so as to gather to the inner side of the drain pan 10 through the draft tube 9, the condensed water is collected, when the collection is completed and the condensed water needs to be cleaned, the screw plug 12 can be rotated, the screw plug 12 is separated from the drain tube 11, because the bottom end of the drain tube 11 is at an upward angle of 5 degrees with, so can discharge the comdenstion water of drainage dish 10 totally, the design of recirculation flue 6, can carry out cyclic utilization to the heat, can reduce the loss of resource, the air after the combination can be transmitted to the inboard of combustor 1 through the effect of rolling fan 3, thereby the work through combustor 1 burns the air, through the use of mixing dryer and flow equalizing plate, can make this set carry out the wind system life and prolong greatly, the effectual corruption of comdenstion water to the wind channel of having avoided, simultaneously closely the transport air gets into the combustor and guarantees that the amount of wind is even stable, the whole set of air inlet system that has also prevented produces vibration, life-span to these equipment of combustor and fan produces the influence.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A mixed wind entering burner in a short distance comprises a burner (1) and a blower (3), and is characterized in that: the front end face of the combustor (1) is fixedly connected with a connecting air pipe (2), the top end of the connecting air pipe (2) is fixedly connected with an air blower (3), the left end face of the air blower (3) is fixedly connected with a mixing air cylinder (4), the front side of the left end face of the mixing air cylinder (4) is fixedly connected with a cold air inlet (5), the top end of the mixing air cylinder (4) is fixedly connected with a recirculation flue gas inlet (7), the outer side of the recirculation flue gas inlet (7) is fixedly connected with a recirculation flue (6), the right end face of the mixing air cylinder (4) is fixedly connected with an air blower inlet (8) of mixed air, the inner side of the connecting air pipe (2) is fixedly connected with a flow equalizing plate (13), the bottom end of the flow equalizing plate (13) is fixedly connected with a guide pipe (9), and the inner side bottom end of the mixing air cylinder (4) is, the bottom end of the hydrophobic disc (10) is fixedly connected with a hydrophobic drainage tube (11), and the outer side of the hydrophobic drainage tube (11) is in threaded connection with a threaded plug block (12).
2. a close-range air-mixed intake burner as claimed in claim 1, wherein: the equal fixedly connected with honeycomb duct (9) in inboard bottom of connecting tuber pipe (2), hydrophobic dish (10) and mixing a wind section of thick bamboo (4), the bottom of hydrophobic dish (10) is ascending 5 degrees angles with the horizontal plane.
3. A close-range air-mixed intake burner as claimed in claim 1, wherein: the dewatering disc (10) is located at a position 30 mm above the bottom end of the air mixing barrel (4), and the flow equalizing plate (13) is located at a position 168.5 mm of the outlet of the connecting air pipe (2).
4. A close-range air-mixed intake burner as claimed in claim 1, wherein: the inner diameter of the hydrophobic disc (10) is 2 mm smaller than that of the air mixing barrel (4), the height of the hydrophobic disc (10) is 105 mm, and the height of the flow equalizing plate (13) is 25 mm.
5. A close-range air-mixed intake burner as claimed in claim 1, wherein: the drainage tube (11) is positioned at the center of the bottom end of the drainage disc (10), and the thread chock (12) is rotatably connected with the air mixing barrel (4) through the drainage tube (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920319697.7U CN209763068U (en) | 2019-03-13 | 2019-03-13 | Closely mix wind and get into combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920319697.7U CN209763068U (en) | 2019-03-13 | 2019-03-13 | Closely mix wind and get into combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209763068U true CN209763068U (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920319697.7U Active CN209763068U (en) | 2019-03-13 | 2019-03-13 | Closely mix wind and get into combustor |
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| Country | Link |
|---|---|
| CN (1) | CN209763068U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179054A (en) * | 2020-10-21 | 2021-01-05 | 苏州金猫咖啡有限公司 | A spray drying system |
-
2019
- 2019-03-13 CN CN201920319697.7U patent/CN209763068U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179054A (en) * | 2020-10-21 | 2021-01-05 | 苏州金猫咖啡有限公司 | A spray drying system |
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