CN212362018U - Single-nozzle multi-beam flame nozzle - Google Patents
Single-nozzle multi-beam flame nozzle Download PDFInfo
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- CN212362018U CN212362018U CN202021995680.2U CN202021995680U CN212362018U CN 212362018 U CN212362018 U CN 212362018U CN 202021995680 U CN202021995680 U CN 202021995680U CN 212362018 U CN212362018 U CN 212362018U
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Abstract
The utility model relates to a fuel gas nozzle technical field especially relates to a single shower nozzle multi-beam flame nozzle. Comprises a spray head, a shell, an oil-gas combination body, a rotational flow accelerating body, an outer sleeve and an inner oil-gas pipe; the sprayer is fixedly connected at one end of the shell, the head of the oil-gas assembly is fixedly connected inside the other end of the shell, the rotational flow accelerating body is arranged in the oil-gas assembly, the inner oil-gas pipe is connected with the rotational flow accelerating body, the outer sleeve is connected with the shell, an air inlet is arranged on the outer sleeve, and the tail of the oil-gas assembly is positioned in the outer sleeve; the inner circumference and the outer circumference of the spray head are both provided with oil gas spray holes, and the oil gas spray holes on the inner circumference and the outer circumference are distributed in a triangular staggered manner; the circumference of the oil-gas combination body is provided with tangential medium spray holes, and the center of the oil-gas combination body is provided with a fuel spray hole; the top end of the rotational flow accelerating body is positioned at the fuel spray hole, and a plurality of tangential grooves are arranged at the top end and the middle of the rotational flow accelerating body. The large-area flame combustion is realized, the combustion can be stabilized, the backflow accident is avoided, no oil drop, no black smoke and no coking exist, and the energy-saving effect is obvious.
Description
Technical Field
The utility model relates to a fuel gas nozzle technical field especially relates to a single shower nozzle multi-beam flame nozzle.
Background
At present, the fuel gas nozzle is mainly applied to thermal power plants, and the fuel gas nozzle in the fields of heat supply boilers, petroleum, chemical engineering, metallurgy, building material furnaces and kilns and the like adopts mechanical atomization to improve the fuel temperature, and the pressure is 1.5-3.0 Mpa to realize atomization combustion. The following disadvantages exist: the energy is wasted, unsafe factors are brought to an oil pipeline due to overhigh oil supply pressure, and the operation cost is increased.
A small part of fuel oil and gas nozzles adopt pneumatic atomization, high-temperature high-pressure steam and compressed air are used as atomizing media, the pressure is about 0.8-1.5 Mpa, the atomizing mode is that oil and gas cross collision shearing is carried out to realize atomizing combustion, and the mode is high in gas consumption.
The common points of the two atomization modes are that ignition is difficult, black smoke is emitted, a spray head is easy to coke and block, backflow can be generated when the pressure of the oil supply is higher than the air pressure to cause accidents, and oil can be sealed when the air pressure is higher than the oil pressure to cause fire extinguishing accidents. A spray head in the existing combustion technology can only spray one flame, and the flame spray angle can not be adjusted, so that large-area flame combustion can not be realized.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a single-nozzle multi-beam flame nozzle. One spray head can spray a plurality of flame, realize large-area flame combustion, can stably burn, avoid backflow accidents, have no oil drops, black smoke and coking, effectively reduce the discharge amount of harmful substances and have obvious energy-saving effect.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a single-nozzle multi-beam flame nozzle comprises a nozzle, a shell, an oil-gas combination body, a rotational flow accelerating body, an outer sleeve and an inner oil-gas pipe; the sprayer is fixedly connected at one end of the shell, the head of the oil-gas assembly is fixedly connected inside the other end of the shell, the rotational flow accelerating body is arranged in the oil-gas assembly, the inner oil-gas pipe is connected with the rotational flow accelerating body, the outer sleeve is connected with the shell, an air inlet is arranged on the outer sleeve, and the tail of the oil-gas assembly is positioned in the outer sleeve; the inner circumference and the outer circumference of the spray head are both provided with oil gas spray holes, and the oil gas spray holes on the inner circumference and the outer circumference are distributed in a triangular staggered manner; the circumference of the oil-gas combination body is provided with tangential medium spray holes, and the center of the oil-gas combination body is provided with a fuel spray hole; the top end of the rotational flow accelerating body is positioned at the fuel spray hole, a plurality of tangential grooves are arranged at the top end and the middle of the rotational flow accelerating body, and the middle tangential grooves are communicated with the oil inlet of the rotational flow accelerating body.
The number of the oil gas spray holes in the inner circumference of the spray head is half of that of the oil gas spray holes in the outer circumference, and the oil gas spray holes in the inner circumference are in the middle of the oil gas spray holes in the outer circumference; two adjacent outer circumference oil gas spray holes and the middle inner circumference oil gas spray hole form a triangle, and the oil gas spray holes form a group.
The shell is cylindrical, the head of the shell is connected with the spray head, and the tail of the shell is provided with a clamping groove corresponding to the oil-gas combination body.
The head of the oil-gas combination body is provided with a round table and a bulge, tangential medium spray holes are uniformly distributed on the circumference of the round table and the bulge, and the tangential medium spray holes are communicated with the outer sleeve.
The head of the oil-gas combination body is provided with a hemispherical groove, the hemispherical groove is connected with a fuel spray hole, the fuel spray hole is connected with a conical groove, and the conical groove is connected with a tail cavity.
The top end of the rotational flow accelerating body is conical, top end tangential grooves are uniformly distributed at the top end, a plurality of middle tangential grooves are formed in the middle of the rotational flow accelerating body, and the rotational directions of the top end tangential grooves and the middle tangential grooves are the same.
More than two communicating holes are arranged at the middle tangential groove of the rotational flow accelerating body.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses traditional spray combustion mode has been changed, the shell front end is equipped with the shower nozzle, the shower nozzle circumference is equipped with the jet orifice that is the different geometric dimensions angle of triangle-shaped a plurality of, the shell middle part is the mixing chamber of fuel and air, the rear end is the oil gas assembly, the rear end of oil gas assembly fuel jet orifice is equipped with the body with higher speed of multi-stage fuel whirl, its top of the body is a plurality of tangential groove with higher speed of whirl, with the whirl in the middle of the body tangential groove equidirectional rotation, the whirl is with higher speed body top and the central fuel orifice of oil gas assembly link to each other, through the whirl body with higher speed when fuel gets into, get into the central fuel export of oil gas assembly and form vaporific entering mixing chamber, the oil gas assembly outer periphery is equipped with a plurality of tangential gas pocket, with the interior vaporific.
1) The utility model can switch the burning and mixed burning of various fuel oil and gas, the flame injection angle can be adjusted by adjusting the geometric dimension and angle of the spray holes of which the triangle is a group, and the oil gas use pressure can meet the requirements of different burning capacities under the condition of 0.5-0.8 Mpa; one spray head is provided with a plurality of groups of spray holes, each group of spray holes spray one flame, and then one spray head can spray a plurality of flames, so that large-area flame combustion is realized.
2) And the air coefficient is less than 1.05, and the combustion can be stabilized.
3) When the pressure of the liquid fuel is more than one time higher than the pressure of the medium, the atomization and combustion capacities are unchanged while backflow accidents do not occur.
4) The flame-retardant cable is easy to ignite under the outdoor condition of minus 10 ℃, and has no oil drop, black smoke and coking.
5) The combustion temperature can be controlled between 900 and 1200 ℃; effectively reduces the discharge of harmful substances and has obvious energy-saving effect.
Drawings
FIG. 1 is a front sectional view of the structure of the present invention;
FIG. 2 is a schematic front sectional view of the structure of the nozzle of the present invention;
FIG. 3 is a schematic side view of the structure of the sprinkler head of the present invention;
FIG. 4 is a schematic front sectional view of the structure of the oil-gas assembly of the present invention;
FIG. 5 is a schematic side view of the structure of the oil-gas assembly of the present invention;
FIG. 6 is a partial sectional view of the rotational flow accelerating body of the present invention;
FIG. 7 is a schematic side view of the structure of the swirl acceleration body of the present invention;
fig. 8 is a sectional view taken along line a of fig. 6.
In the figure: 1-spray head 2-shell 3-oil-gas combination 4-rotational flow accelerating body 5-outer sleeve 6-inner oil gas pipe 11-inner circumference oil gas spray hole 12-outer circumference oil gas spray hole 21-neck 22-inner mixing chamber 31-round table 32-bulge 33-medium spray hole 34-semispherical groove 35-fuel spray hole 36-conical groove 37-tail cavity 41-top tangential groove 42-middle tangential groove 43-communication hole 44-oil inlet 51-air inlet
Detailed Description
The following further illustrates the embodiments of the present invention, but is not intended to limit the scope of the present invention:
example (b):
as shown in figure 1, the single-nozzle multi-beam flame nozzle comprises a nozzle 1, a shell 2, an oil-gas combination body 3, a rotational flow accelerating body 4, an outer sleeve 5 and an inner oil-gas pipe 6. The shell 2 is cylindrical, the spray head 1 is fixedly connected to the head of the shell 2, and the tail of the shell is provided with a clamping groove 21 corresponding to the oil-gas combination body 3.
As shown in fig. 2 and 3, the nozzle 1 is a circular truncated cone shaped shell structure, the inner circumference and the outer circumference of the inclined surface of the nozzle 1 are both provided with oil gas spray holes, the oil gas spray holes are evenly distributed along the circumference, the number of the oil gas spray holes 11 on the inner circumference is half of the number of the oil gas spray holes 12 on the outer circumference, the number of the oil gas spray holes 11 on the inner circumference is 8, the number of the oil gas spray holes 12 on the outer circumference is 16, and the oil gas spray holes 11 on the inner circumference.
Two adjacent outer circumference oil gas spray holes 12 and the middle inner circumference oil gas spray hole 11 form a triangle and form a group, three spray holes are set according to different geometric dimensions and angles, three spray holes spray three spray flows which form a bundle of flame when focused together, the spray hole aperture phi 2-phi 6 can be provided with three to nine groups of flames, then one spray head 1 can spray three to nine bundles of flames, and the spray angle can be adjusted within the range of 60-110 degrees.
As shown in fig. 4 and 5, the head of the oil-gas combination 3 is sequentially provided with a circular truncated cone 31 and a protrusion 32, and 10 tangential medium spray holes 33 inclined by 15-20 degrees are uniformly distributed on the circumferences of the circular truncated cone 31 and the protrusion 32. The head of the oil-gas combination body 3 is provided with a hemispherical groove 34, the hemispherical groove 34 is connected with a fuel spray hole 35, the fuel spray hole 35 is connected with a 90-degree conical groove 36, and the conical groove 36 is connected with a tail cavity 37.
As shown in fig. 1, the head protrusion 32 of the oil-gas combination 3 is placed in the tail slot 21 of the housing, the outer sleeve 5 is connected with the tail end of the housing 2, the outer sleeve 5 is provided with an air inlet 51, and the tail of the oil-gas combination 3 is located in the outer sleeve 5. The inner mixing chamber 22 is formed inside the housing 2, and the tangential medium jet holes 33 communicate the inner mixing chamber 22 with the inside of the outer sleeve 5.
As shown in fig. 6-8, the top end of the rotational flow accelerating body 4 is conical, top tangential grooves 41 are uniformly distributed at the top end, a plurality of middle tangential grooves 42 are arranged in the middle of the rotational flow accelerating body, the rotational directions of the top tangential grooves 41 and the middle tangential grooves 42 are the same, and the rotational angles of the middle tangential grooves 42 and the middle tangential grooves are inclined by 15 degrees to 20 degrees. More than two communicating holes 43 are arranged at the middle tangential groove 42 of the rotational flow accelerating body, and the communicating holes 43 are communicated with an oil inlet 44 of the rotational flow accelerating body 4.
As shown in figure 1, the inner oil gas pipe 6 is connected with an oil gas inlet 44 of the rotational flow accelerating body 4, the top end of the rotational flow accelerating body 4 is tapered by 90 degrees, and the top end of the rotational flow accelerating body 4 is placed in the tapered groove 36 of the oil gas combination body 3.
The utility model discloses a theory of operation and working process do:
the air is a double arrow, and the air enters the outer sleeve 5 through the air inlet 51 and enters the inner mixing chamber 5 through the medium spray hole 33. The fuel oil or the fuel gas or the oil-gas mixture is a single arrow and enters from the inner oil gas pipe 6, if the fuel oil is the fuel oil, the fuel oil enters the rotational flow accelerating body 4 through the oil inlet 44, forms a rotating airflow through the top tangential groove 41 and the middle tangential groove 42 to form a mist shape, is sprayed into the inner mixing chamber 22 through the fuel spray holes 35, is mixed with the mist-shaped fuel in the inner mixing chamber 22 to form a gas shape under the action of air pressure, and is sprayed out and combusted through the spray holes formed by the group of triangles of the spray head 1. The gasification fuel is in front, the atomization medium is behind, the safe operation is ensured under any condition, and the atomization combustion cannot be influenced.
The utility model changes the traditional spray combustion mode, the utility model can switch the combustion and the mixed combustion of various fuel oil and gas, the flame injection angle can be adjusted by adjusting the geometric dimension and the angle of the spray holes of which the triangle is a group, and the oil gas use pressure can meet the requirements of different combustion capacities under the condition of 0.5-0.8 Mpa; one spray head is provided with a plurality of groups of spray holes, each group of spray holes spray one flame, and then one spray head can spray a plurality of flames, so that large-area flame combustion is realized. And the air coefficient is less than 1.05, and the combustion can be stabilized. When the pressure of the liquid fuel is more than one time higher than the pressure of the medium, the atomization and combustion capacities are unchanged while backflow accidents do not occur. The flame-retardant cable is easy to ignite under the outdoor condition of minus 10 ℃, and has no oil drop, black smoke and coking. The combustion temperature can be controlled between 900 and 1200 ℃; effectively reduces the discharge of harmful substances and has obvious energy-saving effect.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A single-nozzle multi-beam flame nozzle, characterized in that: comprises a spray head, a shell, an oil-gas combination body, a rotational flow accelerating body, an outer sleeve and an inner oil-gas pipe; the sprayer is fixedly connected at one end of the shell, the head of the oil-gas assembly is fixedly connected inside the other end of the shell, the rotational flow accelerating body is arranged in the oil-gas assembly, the inner oil-gas pipe is connected with the rotational flow accelerating body, the outer sleeve is connected with the shell, an air inlet is arranged on the outer sleeve, and the tail of the oil-gas assembly is positioned in the outer sleeve; the inner circumference and the outer circumference of the spray head are both provided with oil gas spray holes, and the oil gas spray holes on the inner circumference and the outer circumference are distributed in a triangular staggered manner; the circumference of the oil-gas combination body is provided with tangential medium spray holes, and the center of the oil-gas combination body is provided with a fuel spray hole; the top end of the rotational flow accelerating body is positioned at the fuel spray hole, a plurality of tangential grooves are arranged at the top end and the middle of the rotational flow accelerating body, and the middle tangential grooves are communicated with the oil inlet of the rotational flow accelerating body.
2. The single jet multiple beam flame nozzle of claim 1, wherein: the number of the oil gas spray holes in the inner circumference of the spray head is half of that of the oil gas spray holes in the outer circumference, and the oil gas spray holes in the inner circumference are in the middle of the oil gas spray holes in the outer circumference; two adjacent outer circumference oil gas spray holes and the middle inner circumference oil gas spray hole form a triangle, and the oil gas spray holes form a group.
3. The single jet multiple beam flame nozzle of claim 1, wherein: the shell is cylindrical, the head of the shell is connected with the spray head, and the tail of the shell is provided with a clamping groove corresponding to the oil-gas combination body.
4. The single jet multiple beam flame nozzle of claim 1, wherein: the head of the oil-gas combination body is provided with a round table and a bulge, tangential medium spray holes are uniformly distributed on the circumference of the round table and the bulge, and the tangential medium spray holes are communicated with the outer sleeve.
5. The single jet multiple beam flame nozzle of claim 1, wherein: the head of the oil-gas combination body is provided with a hemispherical groove, the hemispherical groove is connected with a fuel spray hole, the fuel spray hole is connected with a conical groove, and the conical groove is connected with a tail cavity.
6. The single jet multiple beam flame nozzle of claim 1, wherein: the top end of the rotational flow accelerating body is conical, top end tangential grooves are uniformly distributed at the top end, a plurality of middle tangential grooves are formed in the middle of the rotational flow accelerating body, and the rotational directions of the top end tangential grooves and the middle tangential grooves are the same.
7. The single jet multiple beam flame nozzle of claim 1, wherein: more than two communicating holes are arranged at the middle tangential groove of the rotational flow accelerating body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021995680.2U CN212362018U (en) | 2020-09-11 | 2020-09-11 | Single-nozzle multi-beam flame nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021995680.2U CN212362018U (en) | 2020-09-11 | 2020-09-11 | Single-nozzle multi-beam flame nozzle |
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| Publication Number | Publication Date |
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| CN212362018U true CN212362018U (en) | 2021-01-15 |
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| CN202021995680.2U Active CN212362018U (en) | 2020-09-11 | 2020-09-11 | Single-nozzle multi-beam flame nozzle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998343A (en) * | 2020-09-11 | 2020-11-27 | 深圳易恒环保科技有限公司 | Single-nozzle multi-beam flame nozzle |
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2020
- 2020-09-11 CN CN202021995680.2U patent/CN212362018U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998343A (en) * | 2020-09-11 | 2020-11-27 | 深圳易恒环保科技有限公司 | Single-nozzle multi-beam flame nozzle |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 1618 Guoxin Investment Building, No. 07 Gaoxin South 7th Road, Gaoxin Community, Gaoxin District, Yuehai Street, Nanshan District, Shenzhen City, Guangdong Province, 518000 Patentee after: Shenzhen Yiheng Environmental Protection Technology Co.,Ltd. Address before: 518000 15h-e3, Fortune Building, 88 fuhuasan Road, Gangxia community, Futian street, Futian District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Yiheng Environmental Protection Technology Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |