CN216244275U - Spray gun of mixed burner - Google Patents
Spray gun of mixed burner Download PDFInfo
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- CN216244275U CN216244275U CN202121655801.3U CN202121655801U CN216244275U CN 216244275 U CN216244275 U CN 216244275U CN 202121655801 U CN202121655801 U CN 202121655801U CN 216244275 U CN216244275 U CN 216244275U
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Abstract
The utility model discloses a mixed burner spray gun, which comprises a fuel head component and a fuel pipe, wherein the outer wall of the fuel pipe is respectively sleeved with a combustion improver pipe and a combustion improver tee joint, the right end of the combustion improver pipe is connected with a combustion improver joint, the outer wall of the right end of the combustion improver pipe is sleeved with a lining, the outer wall of the combustion improver tee joint is provided with a combustion improver short joint, the outer wall of the combustion improver pipe is sleeved with a fuel gas tee joint, the right end of the fuel gas tee joint is connected with a fuel gas pipe, the outer wall of the fuel gas tee joint is provided with a fuel gas short joint, fuel oil entering from the fuel pipe and the combustion improver entering from the combustion improver pipe are firstly mixed at the fuel head component and then are secondly mixed with combustion gas entering from the combustion gas pipe at the cavity at the end part of the combustion gas pipe, so that the fuel oil, the combustion improver and the combustion gas are mixed together and are sprayed out by the spray gun to achieve the mixed combustion of multiple spray guns in one time, the whole structure is simple, the production cost is reduced, the maintenance is convenient, and the problems in the prior art are solved.
Description
Technical Field
The utility model relates to the technical field of burners of combustion furnaces, in particular to a spray gun of a mixed burner.
Background
The burners have various classification methods according to their different attributes. Fuel-based, there are a fuel burner, a gas burner, and a dual fuel burner. In the specific application, the fuel oil burner is divided into a light oil burner, a heavy oil burner and the like; the gas burners are classified into natural gas burners, city gas burners, and the like. The burner is divided into a single-stage flame burner, a double-stage flame burner and a proportion adjusting burner according to the combustion control mode of the burner. The fuel atomizing device is divided into a mechanical atomizing burner and a medium atomizing burner according to the fuel atomizing mode; the burner is divided into an integral burner and a split burner according to the structure. The split type combustor is mainly applied to industrial production and is mainly characterized in that a combustion system, an air supply system, a control system and the like are disassembled and installed, and the machine is mainly suitable for large-scale equipment or high-temperature and other special working environments.
At present, most of domestic burners are single fuel oil burners or gas burners, and the burners are generally only used for burning one or more in-phase substances. However, most industrial kilns use fuel gas and light oil as fuel at the same time at present, so that a plurality of spray guns are required to respectively introduce the fuel gas and the fuel oil for combustion, the production cost of the combustor is increased, and the maintenance of the combustor is not facilitated.
Therefore, the problems of the existing burner are as follows: a plurality of spray guns are needed, so that the structure of the burner is complex, the production cost of the burner is increased, and the burner is inconvenient to overhaul.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problem, the utility model provides a mixed burner spray gun, fuel oil of a fuel oil pipe, combustion improver of a combustion improver pipe and fuel gas in a fuel gas pipe are mixed twice through a fuel oil head component, and the fuel oil spray gun uniformly sprays out.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a mixed burner spray gun comprises a fuel head component, a fuel pipe, a combustion improver pipe and a combustion improver three-way pipe, wherein the left end of the fuel pipe is connected with a pipe head, the left end of the combustion improver pipe is connected with the right end of the combustion improver three-way pipe transverse pipe to form a transverse pipeline, the fuel pipe is arranged in the transverse pipeline in a penetrating mode, the combustion improver pipe comprises a left half part and a right half part excessively connected with the left half part, the diameter of the right half part is smaller than that of the left half part, an inner lining is sleeved on the outer wall of the right half part of the combustion improver pipe, the right end of the combustion improver pipe is connected with a combustion improver connector, and the combustion improver connector 3 is sleeved on the outer wall of the inner lining;
the outer sleeve of the combustion improver pipe is provided with a fuel gas tee joint, the right end of the fuel gas tee joint 9 is communicated with a fuel gas pipe, the fuel gas pipe is communicated with a fuel gas joint, and the fuel gas pipe and the fuel gas joint are sleeved on the combustion improver pipe and the combustion improver joint at the same time;
the fuel head assembly 1 is sleeved on the right end of a fuel pipe and embedded into a lining, the fuel head assembly is used for mixing fuel in the fuel pipe and combustion improver in a combustion improver pipe, a communicated cavity is formed between the right end of a combustion improver joint and the right end of a fuel gas joint, and the cavity is communicated with the fuel head assembly to realize that the cavity is used for mixing the fuel, the combustion improver and the fuel gas.
Compared with the prior art, the utility model has the following advantages: the fuel that gets into from the fuel pipe carries out first mixture with the combustion improver that gets into from the combustion improver pipe in fuel head subassembly department, and the burning gas that gets into with the burning trachea again carries out the second time and mixes in burning tracheal tip cavity department, realizes mixing fuel, combustion improver and burning gas together, by the unified blowout of spray gun, reach many spray guns unification mixed combustion, make overall structure simple, reduce manufacturing cost, still be convenient for overhaul and maintain, solve the problem that prior art exists.
Preferably, a combustion improver short circuit is arranged on a longitudinal pipe of the combustion improver three-way pipe, and is used for introducing the combustion improver into the combustion improver three-way pipe so as to enter the combustion improver pipe; the fuel gas tee joint is characterized in that a fuel gas short joint is arranged on the outer wall of the fuel gas tee joint and used for introducing fuel gas into the fuel gas pipe, the fuel gas pipe is sleeved on the combustion improver pipe and the combustion improver joint at the same time, and the fuel gas tee joint is used for entering the fuel gas pipe.
Preferably, the fuel head subassembly includes preforming, fuel nozzle and whirl piece, fuel pipe right-hand member and fuel nozzle intercommunication, a plurality of orifice has been seted up on the terminal surface before the fuel nozzle, fuel nozzle center department threaded connection has the bolt, cup joint the preforming on the bolt, whirl piece is the tube-shape and the cover is established outside the fuel pipe, be connected with the connecting piece between fuel pipe and whirl piece inner wall, whirl piece opening border sets to the annular inclined plane that extends towards whirl piece, the annular inclined plane forms the jet that can circumference spray with the clearance of preforming outer border, will fuel and combustion improver switch-on mix.
Preferably, both ends are connected with left fuel gas flange, right fuel gas flange respectively about the fuel gas tee bend, pass through right fuel gas flange connection between fuel gas pipe and the fuel gas tee bend, left side fuel gas flange closed setting. Adopt above-mentioned technical scheme, couple together fuel gas pipe and fuel gas tee bend through the fuel gas flange, convenient easy dismounting when the maintenance overhauls.
Preferably, a combustion improver flange is arranged between the combustion improver pipe and the combustion improver three-way pipe for connection. By adopting the technical scheme, the combustion improver pipe is connected with the combustion improver tee joint through the combustion improver flange, so that the combustion improver pipe is convenient to disassemble and assemble during maintenance and overhaul.
Preferably, the end part of the fuel gas short joint is provided with a fuel gas inlet flange. Adopt above-mentioned technical scheme, fuel gas pipeline through fuel gas import flange in with fuel gas short circuit and production process couples together, conveniently lets in fuel gas, the dismouting when conveniently maintaining the maintenance simultaneously.
Preferably, the end part of the combustion improver short joint is provided with a combustion improver inlet flange. By adopting the technical scheme, the combustion improver pipeline is connected with the combustion improver short circuit in the production process through the combustion improver inlet flange, so that the combustion improver is conveniently introduced, and meanwhile, the disassembly and the assembly during maintenance are convenient.
Has the advantages that: the fuel oil of the fuel oil pipe, the combustion improver of the combustion improver pipe and the fuel gas in the fuel gas pipe are mixed twice through the fuel oil head assembly, so that the oil spray gun is uniformly sprayed out, the whole structure is simple, the production cost of the combustor is reduced, and the combustor is favorable for overhauling.
Drawings
Fig. 1 is a sectional view of the present embodiment.
Fig. 2 is an enlarged schematic view at a.
FIG. 3 is a schematic view of the connection of the fuel nozzle tip and the swirl element.
Fig. 4 is a schematic view of a fuel header assembly.
Reference numerals: 1-a fuel head assembly; 11-tabletting; 12-a fuel nozzle; 13-a swirl element; 14-spraying holes; 2-lining; 3-a combustion improver joint; 4-a fuel pipe; 5-a fuel gas joint; 6-a combustion improver pipe; 7-fuel gas pipe; 71-right fuel gas flange; 8-a combustion improver tee; 81-a combustion improver flange; 9-a fuel gas tee; 91-left fuel gas flange; 16-a cartridge; 17-a combustion improver inlet flange; 18-short joint of combustion improver; 19-a fuel gas inlet flange; 20-fuel gas short circuit.
Detailed Description
The present invention will be described in further detail with reference to fig. 1 and 2.
A hybrid burner lance characterized by: including fuel head subassembly 1 and fire oil pipe 4, combustion improver pipe 6, combustion improver tee bend 8, the left end of firing oil pipe 4 is connected with tube head 16, the left end of combustion improver pipe 6 is connected with the right-hand member of the horizontal pipe of combustion improver tee bend 8 and is formed horizontal pipeline, wherein, the horizontal pipe left end of combustion improver tee bend 8 is sealed, fire oil pipe 4 wear to establish in horizontal pipeline, combustion improver pipe 6 includes half left part and the right half of half left excess connection, half right diameter is less than half left diameter, the cover is equipped with inside lining 2 on the outer wall of combustion improver pipe 6 half right side, the right-hand member of combustion improver pipe 6 is connected with combustion improver and connects 3, and combustion improver connects 3 cup joints on the outer wall of inside lining 2 to the outer surface of combustion improver connects 3 and flushes with the half left surface of combustion improver pipe 6.
The fuel gas pipe 7 is communicated with the fuel gas joint 5, and the fuel gas pipe 7 and the fuel gas joint 5 are sleeved on the combustion improver pipe 6 and the combustion improver joint 3 respectively;
the fuel head assembly 1 is connected to the right end of a fuel pipe 4 and embedded into an inner liner 2, the fuel head assembly 1 is used for mixing fuel in the fuel pipe 4 with a combustion improver in a combustion improver pipe 6, a communicated cavity is formed between the right end of a combustion improver joint 3 and the right end of a fuel gas joint 5, the cavity is communicated with the fuel head assembly 1 to achieve the effect that the cavity is used for mixing the fuel, the combustion improver and the fuel gas, and the fuel head assembly 1 does not extend out of the fuel gas joint 5.
The working principle is as follows:
the fuel enters the fuel pipe 4 from the pipe head 16 and then enters the fuel nozzle 12 of the fuel head component 1, meanwhile, the combustion improver enters the combustion improver tee joint 8 from the combustion improver short joint 18 and then flows to the combustion improver pipe 6, and the combustion gas enters the combustion gas tee joint 9 from the combustion gas short joint 20 and flows to the combustion gas pipe 7. When the fuel injection nozzle is installed, the pressing sheet 11 is slightly bounced towards the fuel pipe 4 after being butted with a combustion furnace, and the pressing sheet 11 is used for bouncing the fuel nozzle 12 to the left end of the rotational flow piece 13 to connect and mix fuel and combustion improver. By pressing the pressing sheet 11, the pressing sheet 11 pushes the fuel nozzle 12 towards the direction of the fuel pipe 4, the fuel flowing into the end part of the fuel pipe 4 flows out to the fuel nozzle 12 and is mixed with a part of combustion improver, the mixture flows out to the cavity at the end part of the fuel pipe 7, the other part of the combustion improver flows out to the cavity at the end part of the fuel pipe 7 at the joint end part of the combustion improver pipe 6, the fuel gas in the fuel gas flows into the cavity, and in the cavity, all the fuel, the fuel gas and the combustion improver are mixed for the second time and are finally sprayed out, so that the aim of mixing multiple spray guns into one spray gun is fulfilled.
In conclusion, the fuel oil entering from the fuel oil pipe 4 and the combustion improver entering from the combustion improver pipe 6 are firstly mixed at the fuel oil head component 1 and then are secondly mixed with the fuel gas entering from the fuel gas pipe 7 at the cavity at the end part of the fuel gas pipe 7, so that the fuel oil, the combustion improver and the combustion gas are mixed together and are uniformly sprayed out by the spray guns, the purpose of mixing and burning by multiple spray guns is achieved, the overall structure is simple, the production cost is reduced, the maintenance and the overhaul are convenient, and the problems in the prior art are solved.
Compared with the prior art, the utility model has the following advantages: the fuel that gets into from burning oil pipe 4 and the combustion improver that gets into from combustion improver pipe 6 carry out first mixture in fuel head subassembly 1 department, carry out the second time with the combustion gas that fuel gas pipe 7 got into again and mix in the tip cavity department of fuel gas pipe 7, the realization is with burning oil, combustion improver and combustion gas mix together, spout by the spray gun is unified, reach many spray guns unification hybrid combustion, make overall structure simple, reduce manufacturing cost, still be convenient for overhaul and maintain, solve the problem that prior art exists.
In a preferred embodiment mode, a combustion improver short circuit 18 is arranged on a longitudinal pipe of the combustion improver tee joint 8, and the combustion improver short circuit 18 is used for introducing the combustion improver into the combustion improver tee joint 8 so as to enter the combustion improver pipe 6; the fuel gas tee joint is characterized in that a fuel gas short joint 20 is arranged on the outer wall of the fuel gas tee joint 9, the fuel gas short joint 20 is used for introducing fuel gas into the fuel gas pipe 7, the fuel gas pipe 7 is sleeved on the combustion improver pipe 6 and the combustion improver connector 3 at the same time, and the fuel gas tee joint 9 is used for entering the fuel gas pipe 7.
In a preferred embodiment, the fuel head assembly 1 comprises a pressure plate 11, a fuel nozzle 12 and a swirl element 13, the right end of the fuel pipe 4 is communicated with a fuel spray head 12, the front end surface of the fuel spray head 12 is provided with a plurality of spray holes 14, the center of the fuel nozzle 12 is connected with a bolt in a threaded manner, the bolt is sleeved with a pressing sheet 11, the distance between the pressing sheet 11 and the spray hole 14 can be adjusted to realize flow adjustment, when the pressing sheet 11 is completely attached to shield the spray hole 14, the fuel pipe 4 is closed, the rotational flow piece 13 is cylindrical and is sleeved outside the fuel pipe 4, a connecting piece is connected between the fuel pipe 4 and the inner wall of the rotational flow piece 13, the opening edge of the rotational flow piece 13 is arranged to be an annular inclined plane extending towards the inside of the rotational flow piece 13, and a gap between the annular inclined plane and the outer edge of the pressing sheet 11 forms a jet orifice capable of circumferential injection, and the fuel oil and the combustion improver are communicated and mixed.
Adopt above-mentioned technical scheme, the fuel that flows into 4 right-hand members of fuel pipe flows to fuel nozzle 12 and mixes with partly combustion improver (follow annular inclined plane and the marginal clearance circumference of preforming 11 and erupts), flow out to the cavity of fuel gas pipe end portion after mixing, another part combustion improver flows out to the cavity of fuel gas pipe 7 tip at the tip of combustion improver joint 3, fuel gas in the fuel gas flows into to the cavity, in the cavity, all fuel, fuel gas and combustion improver mix for the second time, final blowout, realize that many spray guns mix for the purpose of one.
In a preferable embodiment mode, the left end and the right end of the fuel gas tee 9 are respectively connected with a left fuel gas flange 91 and a right fuel gas flange 71, the fuel gas pipe 7 is connected with the fuel gas tee 9 through the right fuel gas flange 91, and the left fuel gas flange 91 is arranged in a closed mode. Adopt above-mentioned technical scheme, couple together fuel gas pipe and fuel gas tee bend through the fuel gas flange, convenient easy dismounting when the maintenance overhauls.
In a preferred embodiment, an oxidant flange 81 is arranged between the oxidant pipe 6 and the oxidant tee 8 for connection. By adopting the technical scheme, the combustion improver pipe is connected with the combustion improver tee joint 8 through the combustion improver flange 81, so that the combustion improver pipe is convenient to disassemble and assemble during maintenance.
In a preferred embodiment, the fuel gas short-circuit 20 is provided with a fuel gas inlet flange 19 at its end. Adopt above-mentioned technical scheme, fuel gas inlet flange 19 couples together fuel gas short circuit 20 and the fuel gas pipeline in the production process, conveniently lets in fuel gas, the dismouting when convenient maintenance overhauls simultaneously.
In a preferred embodiment mode, the end part of the oxidant short joint 18 is provided with an oxidant inlet flange 17. By adopting the technical scheme, the combustion improver short circuit 15 is connected with the combustion improver pipeline in the production process through the combustion improver inlet flange 17, so that the combustion improver is conveniently introduced, and meanwhile, the disassembly and the assembly during maintenance are convenient.
The present embodiment is only for explaining the utility model, and it is not limited to the utility model, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the present invention.
Claims (7)
1. A hybrid burner lance characterized by: the fuel oil pipe joint comprises a fuel oil head component (1), a fuel oil pipe (4), a combustion improver pipe (6) and a combustion improver tee joint (8), wherein the left end of the fuel oil pipe (4) is connected with a pipe head (16), the left end of the combustion improver pipe (6) is connected with the right end of a transverse pipe of the combustion improver tee joint (8) to form a transverse pipeline, the fuel oil pipe (4) is arranged in the transverse pipeline in a penetrating mode, the combustion improver pipe (6) comprises a left half part and a right half part excessively connected with the left half part, the diameter of the right half part is smaller than that of the left half part, an inner lining (2) is sleeved on the outer wall of the right half part of the combustion improver pipe (6), the right end of the combustion improver pipe (6) is connected with a combustion improver joint (3), and the combustion improver joint (3) is sleeved on the outer wall of the inner lining (2);
the fuel gas tee joint (9), the fuel gas pipe (7) and the fuel gas joint (5) are sequentially sleeved outside the combustion improver pipe (6), the right end of the fuel gas tee joint (9) is communicated with the fuel gas pipe (7), the fuel gas pipe (7) is communicated with the fuel gas joint (5), and the fuel gas pipe (7) and the fuel gas joint (5) are sleeved on the combustion improver pipe (6) and the combustion improver joint (3);
the fuel head assembly (1) is connected to the right end of a fuel pipe (4) and embedded into an inner liner (2), the fuel head assembly (1) is used for mixing fuel in the fuel pipe (4) and a combustion improver in a combustion improver pipe (6), a communicated cavity is formed between the right end of a combustion improver joint (3) and the right end of a fuel gas joint (5), and the cavity is communicated with the fuel head assembly (1) to achieve that the cavity is used for mixing the fuel, the combustion improver and the fuel gas.
2. A hybrid burner lance as set forth in claim 1 in which: a combustion improver short circuit (18) is arranged on a longitudinal pipe of the combustion improver tee joint (8), and the combustion improver short circuit (18) is used for introducing a combustion improver into the combustion improver tee joint (8) to enter the combustion improver pipe (6); be provided with fuel gas short circuit (20) on the outer wall of fuel gas tee bend (9), fuel gas short circuit (20) are used for the fuel gas to introduce to fuel trachea (7), fuel trachea (7) are established simultaneously and are established on combustion improver pipe (6) and combustion improver joint (3), in order to realize getting into fuel trachea (7) in fuel gas tee bend (9).
3. A hybrid burner lance as claimed in claim 1 or 2, wherein: fuel head subassembly (1) is including preforming (11), fuel nozzle (12) and whirl piece (13), fuel pipe (4) right-hand member and fuel nozzle (12) intercommunication, a plurality of orifice (14) have been seted up on fuel nozzle (12) preceding terminal surface, fuel nozzle (12) center department threaded connection has the bolt, cup joint preforming (11) on the bolt, whirl piece (13) are the tube-shape and the cover is established outside fuel pipe (4), be connected with the connecting piece between fuel pipe (4) and whirl piece (13) inner wall, whirl piece (13) opening border sets up the annular inclined plane that extends into towards whirl piece (13), the annular inclined plane forms the jet that can circumference sprays with the clearance on preforming (11) outer border.
4. A hybrid burner lance as set forth in claim 1 in which: both ends are connected with left fuel gas flange (91), right fuel gas flange (71) respectively about fuel gas tee bend (9), be connected through right fuel gas flange (71) between fuel gas pipe (7) and fuel gas tee bend (9), left side fuel gas flange (91) closed setting.
5. A hybrid burner lance as set forth in claim 1 in which: and a combustion improver flange (81) is arranged between the combustion improver pipe (6) and the combustion improver tee joint (8) for connection.
6. A hybrid burner lance as set forth in claim 2 in which: and a fuel gas inlet flange (19) is arranged at the end part of the fuel gas short joint (20).
7. A hybrid burner lance as set forth in claim 2 in which: and a combustion improver inlet flange (17) is arranged at the end part of the combustion improver short joint (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121655801.3U CN216244275U (en) | 2021-07-19 | 2021-07-19 | Spray gun of mixed burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121655801.3U CN216244275U (en) | 2021-07-19 | 2021-07-19 | Spray gun of mixed burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216244275U true CN216244275U (en) | 2022-04-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121655801.3U Active CN216244275U (en) | 2021-07-19 | 2021-07-19 | Spray gun of mixed burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216244275U (en) |
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2021
- 2021-07-19 CN CN202121655801.3U patent/CN216244275U/en active Active
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