CN219083073U - Water-cooling premixing burner - Google Patents
Water-cooling premixing burner Download PDFInfo
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- CN219083073U CN219083073U CN202223487583.4U CN202223487583U CN219083073U CN 219083073 U CN219083073 U CN 219083073U CN 202223487583 U CN202223487583 U CN 202223487583U CN 219083073 U CN219083073 U CN 219083073U
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Abstract
A water-cooling premixing burner relates to the technical field of burners. Including the mixing drum, the one end of mixing drum is connected with gas source and air source, and the other end is connected with the connection housing of frustum shape, and the little mouth end of connection housing and the one end sealing connection of mixing drum, the big mouth end are connected with the bellows that mixes, the bellows that mixes includes upper water tank and lower water tank, be connected with the curb plate respectively between the both sides of upper water tank and lower water tank, be provided with the water-cooling tube of a row connection between upper water tank and lower water tank in the bellows that mixes, be provided with the connecting port that is used for concatenating the cooling water source respectively on the lateral wall of upper water tank and lower water tank, make the water-cooling tube circulation input cooling water in the bellows force the water-cooling. The utility model inputs cooling water into the water cooling pipe to cool the water forcedly, thereby reducing the temperature in the mixing box and prolonging the service life of the water cooling pipe, the ignition gun and other parts.
Description
Technical Field
The utility model relates to the technical field of combustors, in particular to a water-cooling premixing combustor.
Background
Patent number: 202022741439.3A water-cooling premixing burner is disclosed, wherein a wind homogenizing plate and a water-cooling tube row are arranged in a wind mixing box, strip-shaped air outlet holes are formed in the wind homogenizing plate, strip-shaped gaps are formed between the water-cooling tube rows, and the strip-shaped air outlet holes correspond to the strip-shaped gaps on the water-cooling tube row in position, so that air and gas mixture can pass through rapidly and uniformly. The water-cooling premix burner with the structure has the following defects in the using process: 1) The burner and the boiler are connected in a non-detachable way, so that the overhaul is inconvenient; 2) The water cooling pipe is communicated with the upper header and the lower header of the boiler, so that the temperature of circulating water entering the water cooling pipe is higher, the temperature in the mixing box is higher, and the service lives of the water cooling pipe and the ignition gun arranged in the mixing box are shortened; 3) The water cooling pipes are mutually welded, so that the water cooling pipes are easy to deform, and the structure is complex by adopting a structure mode of matching the air homogenizing plate and the water cooling pipe row; 4) The square tube has unstable structure and is easy to deform; 5) The mixed gas is discharged from the water cooling pipe to form a combustion surface, so that the kinetic energy of flame on the combustion surface is relatively large, the flame is easy to float, and the energy utilization rate is reduced.
Disclosure of Invention
The utility model aims to provide a water-cooling premix burner which can effectively solve the problems in the background technology.
The technical scheme for achieving the purpose is as follows: the utility model provides a water-cooling mixes combustor in advance, includes the mixing drum, and gas source and air source are connected to the one end of mixing drum, and the other end is connected with the connection housing of frustum shape, and the tip of connecting the housing is connected with the one end sealing connection of mixing drum, and the big mouth end is connected with the bellows, its characterized in that: the air mixing box comprises an upper water tank and a lower water tank, side plates are respectively connected between the two sides of the upper water tank and the lower water tank, a row of water cooling pipes connected between the upper water tank and the lower water tank are arranged in the air mixing box, the water cooling pipes are arranged at intervals and are respectively communicated with the upper water tank and the lower water tank, a lighting gun is also arranged in the air mixing box, and the lighting end of the lighting gun extends forwards to one side of the water cooling pipes far away from the connecting housing;
the side walls of the upper water tank and the lower water tank are respectively provided with a connecting port for connecting a cooling water source in series, so that the water cooling pipes in the air mixing box are circularly input with cooling water to be cooled by force.
Further, the outer port of the air mixing box is provided with a circle of flange edges for being connected with a boiler.
Further, the connecting cover shell is sleeved in the inner side port of the air mixing box and is in sealing connection with the air mixing box.
Further, the gap between the water-cooled tubes was 1mm.
Further, the bottom of the upper water tank and the top of the lower water tank are respectively provided with penetrating holes matched with the water cooling pipes, the distance between every two adjacent penetrating holes is 1mm, and the upper end and the lower end of the water cooling pipes respectively penetrate into the corresponding penetrating holes at the bottom of the upper water tank and the top of the lower water tank and are welded in a sealing mode.
Further, the water cooling pipe is a circular pipe, and both sides of the circular pipe and one side facing the connecting housing are both arranged as planes.
Further, a row of flame stabilizing pipes are arranged on the outer sides of the water cooling pipes, the flame stabilizing pipes are respectively positioned right in front of a gap between two adjacent water cooling pipes, the gap between the adjacent flame stabilizing pipes is 3-5mm, and the flame stabilizing pipes are connected between the upper water tank and the lower water tank and are communicated with the upper water tank and the lower water tank.
The utility model has the beneficial effects that:
1) The outer port of the air mixing box is provided with a circle of flange edges for being connected with a boiler, so that the air mixing box is convenient to assemble and disassemble; 2) According to the utility model, cooling water is input into the water cooling pipe for forced water cooling, so that the temperature in the mixing box is reduced, and the service lives of the water cooling pipe, the ignition gun and other parts are prolonged; 3) The upper end and the lower end of the water cooling pipe are welded with the upper water tank and the lower water tank, so that the water cooling pipe is not deformed, and the gap between the water cooling pipes is controllable, thereby omitting a wind homogenizing plate; 4) The water cooling pipe adopts a circular pipe, so that the strength is higher; 5) The flame stabilizing pipes are correspondingly arranged in front of the gaps of the water cooling pipes, and the gaps of the flame stabilizing pipes are 3-5 times of the gaps of the water cooling pipes, so that the flow velocity of the mixed gas can be reduced through the flame stabilizing pipes, and the mixed gas can smoothly enter the boiler for combustion, thereby achieving the purpose of stabilizing flame.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a front view of a mixing box;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a right side view of the structure of FIG. 2;
FIG. 5 is a left side view of the block diagram of FIG. 2;
fig. 6 is a top view of the structure of fig. 2.
Detailed Description
As shown in fig. 1 to 6, the utility model comprises a mixing drum 1, one end of the mixing drum 1 is connected with a fuel gas source and an air source (which are the same as the prior structure and are not described herein), the other end is connected with a frustum-shaped connecting housing 2, the small opening end of the connecting housing 2 is in sealing connection with one end of the mixing drum 1, and the large opening end is in a square structure and is connected with a mixing box 3.
The air mixing box 3 comprises an upper water tank 3.1 and a lower water tank 3.2, side plates 3.3 are respectively connected between two sides of the upper water tank 3.1 and the lower water tank 3.2, square cavities are formed by encircling the upper water tank 3.1, the lower water tank 3.2 and the side plates 3.3 on two sides, a connecting housing 2 is sleeved in an inner side port of the air mixing box 3 and is in sealing connection with the air mixing box 3, and a circle of flange edges 3.10 used for being connected with a boiler are arranged at an outer port of the air mixing box 2.
A row of water cooling pipes 3.4 connected between the upper water tank 3.1 and the lower water tank 3.2 are arranged in the air mixing box 3, the water cooling pipes 3.4 are round pipes, and both sides of the round pipes and one side facing the connecting housing 2 are all arranged as planes.
The bottom of the upper water tank 3.1 and the top of the lower water tank 3.2 are respectively provided with penetrating holes 3.11 matched with the water cooling pipes 3.4, the distance between adjacent penetrating holes is 1mm, and the upper end and the lower end of the water cooling pipes 3.4 respectively penetrate into the penetrating holes 3.11 corresponding to the bottom of the upper water tank 3.1 and the top of the lower water tank 3.2 and are welded in a sealing manner.
The water cooling pipes 3.4 are arranged at intervals and are respectively communicated with the upper water tank 3.1 and the lower water tank 3.2, a gap between the water cooling pipes is 1mm, two water cooling pipes 3.4 at the two ends are in sealing connection with inclined plates 3.5 which are arranged obliquely outwards, the outer ends of the inclined plates 3.5 are in sealing connection with two side edges of the outer port of the air mixing box 3 through connecting pipes 3.6 and straight plates 3.7, and the inclined plates 3.5, the connecting pipes 3.6 and the straight plates 3.7 at the corresponding sides are in sealing connection in sequence and are connected between the upper water tank 3.1 and the lower water tank 3.2 simultaneously.
An ignition gun 3.8 is also arranged on the inclined plate 3.5 on one side in the air mixing box 3, and the ignition end of the ignition gun 3.8 extends forwards to the side of the water cooling pipe 3.4 away from the connecting housing 2.
The side walls of the upper water tank 3.1 and the lower water tank 3.2 are respectively provided with a connecting port 3.9 for connecting a cooling water source in series, so that the water cooling pipes in the air mixing box 3 are circularly input with cooling water to be forcibly cooled.
The outside of the water cooling pipes 3.4 is also provided with a row of flame stabilizing pipes 4, the flame stabilizing pipes 4 are respectively positioned right in front of the gap between two adjacent water cooling pipes, the gap between the adjacent flame stabilizing pipes 4 is 3-5mm, and the flame stabilizing pipes 4 are connected between the upper water tank 3.1 and the lower water tank 3.2 and are communicated with the upper water tank 3.1 and the lower water tank 3.2.
When the utility model works, a water source is connected in series between the connecting ports 3.9 of the upper water tank 3.1 and the lower water tank 3.2, and cooling water is forcedly input into the water cooling pipe 3.4 and the flame stabilizing pipe 4, so that the temperature in the air mixing box 3 is effectively reduced, and the service lives of the components such as the water cooling pipe 3.4, the ignition gun 3.8 and the like are prolonged.
According to the utility model, the flame stabilizing pipes 4 are correspondingly arranged in front of the gaps of the water cooling pipes 3.4, and the gaps of the flame stabilizing pipes 4 are 3-5 times of the gaps of the water cooling pipes 3.4, so that the flow velocity of the mixed gas can be reduced through the flame stabilizing pipes 4, and the mixed gas can smoothly enter the boiler for combustion, thereby achieving the purpose of flame stabilizing.
Claims (7)
1. The utility model provides a water-cooling mixes combustor in advance, includes the mixing drum, and gas source and air source are connected to the one end of mixing drum, and the other end is connected with the connection housing of frustum shape, and the tip of connecting the housing is connected with the one end sealing connection of mixing drum, and the big mouth end is connected with the bellows, its characterized in that: the air mixing box comprises an upper water tank and a lower water tank, side plates are respectively connected between the two sides of the upper water tank and the lower water tank, a row of water cooling pipes connected between the upper water tank and the lower water tank are arranged in the air mixing box, the water cooling pipes are arranged at intervals and are respectively communicated with the upper water tank and the lower water tank, a lighting gun is also arranged in the air mixing box, and the lighting end of the lighting gun extends forwards to one side of the water cooling pipes far away from the connecting housing;
the side walls of the upper water tank and the lower water tank are respectively provided with a connecting port for connecting a cooling water source in series, so that the water cooling pipes in the air mixing box are circularly input with cooling water to be cooled by force.
2. A water-cooled premix burner as in claim 1, wherein: the outer port of the air mixing box is provided with a circle of flange edges for being connected with a boiler.
3. A water-cooled premix burner as in claim 1, wherein: the connecting cover shell is sleeved in the inner side port of the air mixing box and is in sealing connection with the air mixing box.
4. A water-cooled premix burner as in claim 1, wherein: the gap between the water-cooled tubes was 1mm.
5. A water-cooled premix burner as in claim 1, wherein: the bottom of the upper water tank and the top of the lower water tank are respectively provided with penetrating holes matched with the water cooling pipes, the distance between the adjacent penetrating holes is 1mm, and the upper end and the lower end of the water cooling pipes respectively penetrate into the corresponding penetrating holes at the bottom of the upper water tank and the top of the lower water tank and are welded in a sealing manner.
6. A water-cooled premix burner as in claim 1, wherein: the water cooling pipe is a circular pipe, and both sides of the circular pipe and one side facing the connecting housing are all arranged to be plane.
7. A water-cooled premix burner as in claim 1, wherein: the outside of the water-cooled tubes is also provided with a row of flame stabilizing tubes, the flame stabilizing tubes are respectively positioned right in front of the gap between two adjacent water-cooled tubes, the gap between the adjacent flame stabilizing tubes is 3-5mm, and the flame stabilizing tubes are connected between the upper water tank and the lower water tank and are communicated with the upper water tank and the lower water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223487583.4U CN219083073U (en) | 2022-12-27 | 2022-12-27 | Water-cooling premixing burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223487583.4U CN219083073U (en) | 2022-12-27 | 2022-12-27 | Water-cooling premixing burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219083073U true CN219083073U (en) | 2023-05-26 |
Family
ID=86394400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223487583.4U Active CN219083073U (en) | 2022-12-27 | 2022-12-27 | Water-cooling premixing burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219083073U (en) |
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2022
- 2022-12-27 CN CN202223487583.4U patent/CN219083073U/en active Active
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