CN211925741U - Mechanical centrifugal atomizing oil gun - Google Patents
Mechanical centrifugal atomizing oil gun Download PDFInfo
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- CN211925741U CN211925741U CN202020509831.2U CN202020509831U CN211925741U CN 211925741 U CN211925741 U CN 211925741U CN 202020509831 U CN202020509831 U CN 202020509831U CN 211925741 U CN211925741 U CN 211925741U
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Abstract
The utility model relates to a centrifugal atomizing oil gun of machinery, be equipped with the oil spout flaring on the nut, be equipped with the atomizing piece between the nut is inside and the fuel sprayer in proper order, spinning disk and branch oil pan, it is convex atomizer chamber that the inner wall cross-section is to be equipped with on the atomizing piece, the straight section 1mm of first water conservancy diversion and the straight section 0.8mm of second water conservancy diversion, be equipped with the spinning chamber on the spinning disk and be located the outside a plurality of whirl grooves of spinning chamber, be equipped with annular oil storage tank on the branch oil pan, a plurality of branch oilholes, atomizing piece arc atomizer chamber enlarges centrifugal space, the spinning disk adds whirl groove centrifugal force rotation speed and revolving force, divide oil pan double annular oil storage tank to reduce pressure transmission loss, refine greasy dirt atomizing granularity under structure and size design, reduce the carbon deposit, improve atomizing angle jet distance, flame combustion district diameter and oil gun life-span, centrifugal atomizing granule can reach 40-70um, atomizing, is favorable for burning full fuel oil, and the temperature of the boiler is raised to meet the technological requirements of the boiler type.
Description
Technical Field
The utility model relates to a centrifugal atomizing oil gun of machinery belongs to power plant boiler electromechanical device oil gun technical field.
Background
The oil gun is used for supplying fuel oil and is matched with an ignition device to perform combustion work, and the oil gun is of an atomized oil injection structure, so that oil mist and combustion-supporting air are fully mixed to form a good combustion air power field, and the full combustion of the fuel oil is facilitated. The mechanical atomizing oil gun in the prior art is generally used for atomizing light diesel oil under 2.94MPa, has an atomizing angle of about 70 degrees, and consists of core elements such as a spinning disk, an atomizing disk and an oil distributing disk, wherein fuel oil under given pressure enters a spinning disk groove through the oil distributing disk and generates centrifugal conical fog flow through high-speed rotation.
The atomizing plate in the mechanical atomizing oil gun is in a centrifugal cone structure, the diameter of an atomizing chamber is phi 10-phi 12, the centrifugal space is small, and the resistance between the atomizing plate and the spinning disk is large; the spinning disk adopts 3-4 grooves with the diameter of 3mm, and the centrifugal rotation speed and the rotation force are smaller under the condition that the pressure is maintained at 2.94MPa, so that the distance length of the jet flame is only 3-4 meters, and the diameter of a flame combustion core area is smaller; the oil distributing disc is provided with a plurality of oil distributing holes arranged in a circle for distributing oil, so that the amount of public posts is small, and the pressure transmission loss is large; because the oil gun is influenced by oil pressure, frictional force, structure, processing technology requirement in the atomizing process, the oil gun is used stably for a long time, oil gun mouth department is high temperature for a long time, core part wearing and tearing easily to produce the carbon deposit in whirl groove department, the life-span is shorter, traditional oil gun structure atomized particles can only reach 100um, the fuel injection quantity is unstable, the atomizing angle is hardly realized, the surface oil stain adhesion is more, lead to the fuel combustion rate to descend, can't be full of energy saving and emission reduction and boiler temperature promotion demand.
SUMMERY OF THE UTILITY MODEL
The utility model aims at prior art's defect, a mechanical centrifugal atomizing oil gun is provided, atomizing piece arc atomizer chamber enlarges centrifugal space, the whirl piece is add the whirl groove and is improved centrifugal force, divide oil pan double annular oil storage tank to reduce pressure transmission loss, refine greasy dirt atomizing granularity under structure and size design, reduce the carbon deposit, improve atomizing angle jet distance, flame combustion core area diameter and oil gun life-span, be favorable to burning abundant fuel, make boiler temperature promote to accord with boiler furnace type technological requirement.
The utility model discloses a realize through following technical scheme:
a mechanical centrifugal atomization oil gun comprises an oil nozzle with an oil duct arranged therein and a nut fixedly connected with the head end of the oil nozzle, wherein an oil injection flaring is arranged on the nut, the oil injection flaring extends to a position between the oil nozzle, an atomization sheet, a swirl sheet and an oil distribution disc are sequentially arranged between the interior of the nut and the oil nozzle, an atomization chamber with an arc-shaped inner wall cross section, a first flow guide straight section and a second flow guide straight section, the first flow guide straight section is located on two sides of the atomization chamber and 0.8mm in depth, the second flow guide straight section is 1mm in depth, and the radian R of the arc of the cross section of the atomization chamber is 11;
the spiral-flow chamber and the plurality of spiral-flow grooves are arranged outside the spiral-flow chamber, the diameter of the spiral-flow chamber is 13mm, the number of the spiral-flow grooves is 6, the 6 spiral-flow grooves are uniformly arranged around the spiral-flow chamber at intervals, the width of each spiral-flow groove is 1.5mm, the oil distribution disc is provided with two annular oil storage grooves which are arranged at two sides of the oil distribution disc and a plurality of oil distribution holes which are arranged between the two annular oil storage grooves and are arranged around the oil distribution disc at intervals, and the depth of each annular oil storage groove is 2 mm;
the tail end of the oil spray nozzle is connected with an oil gun hose, the tail end of the oil gun hose is connected with a flexible oil gun rear guide pipe, the tail end of the flexible oil gun rear guide pipe is connected with an oil gun rear plug, and an oil supply hose connector communicated with the interior of the oil gun rear plug is arranged on the oil gun rear plug.
The utility model has the advantages that:
(1) under the action of oil pressure, fuel oil in an oil channel of an oil nozzle enters each oil distribution hole through the annular oil storage groove of the oil distribution disc and enters the vortex sheet from the annular oil storage groove on the other side, double annular oil storage grooves are additionally arranged on two sides of each oil distribution hole, so that the oil is gathered to increase the official mail volume, the pressure transmission loss is reduced, oil mist generated by high-speed centrifugal rotation is generated in an atomizing chamber with the circular arc-shaped inner wall cross section, the centrifugal space is enlarged, the resistance between the atomizing sheet and the vortex sheet is reduced, an atomizing torch is formed by spraying oil injection flaring, under the structural and dimensional design, the centrifugal atomizing particles can reach 40-70um, the problem that the traditional atomizing particles can only reach 100um is solved, and the atomizing angle is 70-90 degrees;
(2) the swirl vane is additionally provided with the swirl groove, the rotating centrifugal force is increased, the surface oil stain adhesion amount is reduced, the service life is improved by 10%, the carbon deposition is reduced by 20%, the oil gun maintains the pressure of 2.94MPa, the centrifugal rotating speed and the rotating force are increased by 20% compared with the traditional swirl vane structure, the jet distance is increased to 4-5 m, the diameter of the flame combustion core area is increased to 1-1.5 m, the full fuel oil combustion is facilitated, and the boiler temperature is increased to meet the boiler type process requirement.
Drawings
Fig. 1 is a structural diagram of the present invention.
Fig. 2 is a sectional view of the atomizing plate of the present invention.
Fig. 3 is a front view of the atomizing plate of the present invention.
Fig. 4 is a front view of the spinning disk of the present invention.
Fig. 5 is a sectional view of the oil distributing disc of the present invention.
Fig. 6 is a front view of the oil distributing disc of the present invention.
The labels in the figure are: the oil-spraying device comprises an oil duct 1, an oil nozzle 2, a screw cap 3, an oil-spraying flaring 4, an atomizing sheet 5, a spinning sheet 6, an oil-distributing disc 7, a first flow-guiding straight section 8, a second flow-guiding straight section 9, a spinning chamber 10, a spinning groove 11, an annular oil storage groove 12, an oil-distributing hole 13, a limiting groove 14, a sealing ring 15, an oil gun hose 16, a flexible oil gun rear guide pipe 17, an oil gun rear plug 18, an oil supply hose connector 19 and an atomizing chamber 20.
Detailed Description
The following describes the present invention with reference to the accompanying drawings.
A mechanical centrifugal atomization oil gun comprises an oil nozzle 2 with an oil duct 1 arranged inside and a nut 3 fixedly connected with the head end of the oil nozzle 2, wherein an oil injection flaring 4 is arranged on the nut 3, an atomization plate 5, a swirl plate 6 and an oil distribution disc 7 are sequentially arranged between the inside of the nut 3 and the oil nozzle 2 from the oil injection flaring 4 to the oil nozzle 2, and the atomization plate 5, the swirl plate 6 and the oil distribution disc 7 are made of 2cr13 material and have 14-level surface smoothness;
be equipped with on atomizing piece 5 that the inner wall cross-section is arc atomizing chamber 20, be located atomizing chamber 20 both sides, degree of depth h1 be 0.8 mm's first water conservancy diversion straight section 8 and degree of depth h2 be 1 mm's second water conservancy diversion straight section 9, the radian R of atomizing chamber 20 cross-section circular arc is 11, 20 tail end diameters of atomizing chamber
The diameter is 13mm, and the first flow guide straight section 8 and the second flow guide straight section 9 are respectively positioned between the oil injection flaring 4 and the spinning disk 6;
be equipped with spinning chamber 10 on spinning disk 6 and be located the outside a plurality of whirl grooves 11 of spinning chamber 10, 6 thickness d1 of spinning disk is 3mm, the diameter of spinning chamber 10
The diameter of the spiral flow grooves 11 is 13mm, the number of the spiral flow grooves 11 is 6, the 6 spiral flow grooves 11 are uniformly arranged around the spiral flow chamber 10 at intervals, the width d2 of each spiral flow groove 11 is 1.5mm, two annular oil storage grooves 12 located on two sides of the oil distribution disc 7 and a plurality of oil distribution holes 13 located between the two annular oil storage grooves 12 and arranged around the oil distribution disc 7 at intervals are arranged on the oil distribution disc 7, and the depth h3 of each annular oil storage groove 12 is 2 mm;
the inner wall of the nut 3 is in threaded fit with the outer part of the head end of the oil nozzle 2, one side of the atomizing plate 5 is provided with a limiting groove 14 matched with the inner wall of the nut 3, and a sealing ring 15 positioned inside the nut 3 is arranged between the oil distribution disc 7 and the oil nozzle 2;
the tail end of the oil nozzle 2 is connected with an oil gun hose 16, the tail end of the oil gun hose 16 is connected with a flexible oil gun rear guide pipe 17, the tail end of the flexible oil gun rear guide pipe 17 is connected with an oil gun rear plug 18, and an oil supply hose connector 19 communicated with the inside of the oil gun rear plug 18 is arranged on the oil gun rear plug 18.
The utility model discloses a theory of operation does:
the oil supply hose joint 19 sequentially passes through an oil gun rear plug 18, an oil gun rear guide pipe 17, a soft oil gun rear guide pipe 17 and an oil gun hose 16 to supply oil to an oil nozzle 2, the oil nozzle 2 and the oil gun hose 16, the oil gun hose 16 and the soft oil gun rear guide pipe 17, and the soft oil gun rear guide pipe 17 are sequentially connected with the end part of the oil gun rear plug 18 in a nested manner, the oil nozzle is suitable for oil supply positions and angles of various power station boiler electromechanical equipment through metal flexible connection, an atomizing sheet 5 is assembled in a limiting manner through a limiting groove 14, a spinning sheet 6, an oil distribution disc 7 and a sealing ring 15 are sequentially installed, and the inner wall of a screw cap 3 is matched and screwed with external threads at the head end of the oil nozzle 2;
under the action of oil pressure, fuel oil in an oil passage 1 of the oil nozzle 2 enters each oil distributing hole 13 through an annular oil storage groove 12 of the oil distributing disc 7, enters a swirl groove 11 and a swirl chamber 10 of the swirl plate 6 from the annular oil storage groove 12 on the other side through the oil distributing holes 13, and is converted into rotary momentum through a second flow guide straight section 9, an atomizing chamber 20 and a first flow guide straight section 8 to obtain corresponding rotary strength, the surface tension of the oil is overcome under the action of centrifugal force, the oil mist is torn into oil mist-shaped liquid drops, and oil mist generated by high-speed centrifugal rotation is ejected through an oil injection flaring 4 to form an atomizing torch for combustion of electromechanical equipment of a power station boiler.
The atomizing plate 5, the spinning plate 6 and the oil distribution disc 7 are made of 2cr13 stainless steel, and the surface smoothness reaches 14 grades through high-temperature quenching treatment and grinding treatment, so that the oil gun mouth is high in long-time high-temperature durability and wear resistance;
the atomizing plate 5 in the oil gun adopts the atomizing chamber 20 with the circular arc-shaped inner wall section, compared with the centrifugal cone structure of the traditional atomizing plate 5, the centrifugal space is enlarged, the resistance between the atomizing plate 5 and the spinning disk 6 is reduced, and the first flow guide straight section is 80.8mm and the second flow guide straight section is 91 mm;
oil gun middle screwThe swirl groove 11 is additionally arranged on the swirl plate 6, the thickness d1 of the swirl plate 6 is 3mm, and the diameter of the swirl chamber 10
13mm, the width d2 of the cyclone groove 11 is 1.5mm, the rotary centrifugal force is increased, the surface oil stain adhesion is reduced, the service life is prolonged by 10%, the carbon deposition is reduced by 20%, the oil gun maintains the pressure of 2.94MPa, the centrifugal rotary speed and the rotary force are increased by 20% compared with the traditional cyclone sheet 6 structure, the jet distance is increased to 4-5 m, and the diameter of the flame combustion core area is increased to 1-1.5 m;
the double-ring-shaped oil storage tanks 12 are additionally arranged on two sides of an oil distributing hole 13 of an oil distributing disc 7 of an oil gun, so that the oil is gathered to increase the official amount, the pressure transmission loss is reduced, the centrifugal atomized particles can reach 40-70um while the high-speed rotation and rotation centrifugal force is improved, the problem that the traditional atomized particles can only reach 100um is solved, the atomization angle is 70-90 degrees, the full fuel oil combustion is facilitated, and the boiler temperature is increased to meet the boiler type process requirement.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a centrifugal atomizing oil gun of machinery, establishes the fuel sprayer of oil duct and fuel sprayer head end fixed connection's nut in including, be equipped with the oil spout flaring on the nut, its characterized in that, by between oil spout flaring to the fuel sprayer, be equipped with atomizing piece, spinning disk and branch oil pan between inside and the fuel sprayer in proper order of nut, be equipped with the inner wall cross-section on the atomizing piece and be convex atomizer chamber, be located the straight section of first water conservancy diversion and the straight section of second water conservancy diversion of atomizer chamber both sides, be equipped with the spinning disk on the spinning disk and be located the outside a plurality of spinning disk, be equipped with on the branch oil pan be located two annular oil storage tanks of branch oil pan both sides and be located between two annular oil storage tanks, around a plurality of branch oilholes that divide oil.
2. The mechanical centrifugal atomizing oil gun according to claim 1, wherein the inner wall of the screw cap is in threaded engagement with the outer portion of the head end of the oil spray nozzle, a limiting groove is formed in one side of the atomizing plate and is in engagement with the inner wall of the screw cap, and a seal ring is disposed inside the screw cap between the oil distribution plate and the oil spray nozzle.
3. The mechanical centrifugal atomizing oil gun according to claim 1, wherein the radian R of the section arc of the atomizing chamber is 11, and the diameter of the tail end of the atomizing chamber
Is 13 mm.
4. The mechanical centrifugal atomizing oil gun according to claim 1, wherein the first flow guiding straight section and the second flow guiding straight section are respectively located between the oil injection flaring and the swirl plate, the depth h1 of the first flow guiding straight section is 0.8mm, and the depth h2 of the second flow guiding straight section is 1 mm.
5. The mechanical centrifugal atomizing oil gun according to claim 1, wherein the number of the swirl grooves is 6, and the 6 swirl grooves are uniformly spaced around the swirl chamber.
6. A mechanical centrifugal atomizing oil gun as set forth in claim 5, wherein said swirl plate thickness d1 is 3mm and the diameter of said swirl chamber
Is 13mm, and the width d2 of the swirl groove is 1.5 mm.
7. A mechanical centrifugal atomizing oil gun in accordance with claim 1, wherein said annular oil reservoir has a depth h3 of 2 mm.
8. The mechanical centrifugal atomizing oil gun according to claim 1, wherein the atomizing plate, the swirl plate and the oil distribution plate are made of 2cr13 material and have 14-grade surface finish.
9. The mechanical centrifugal atomizing oil gun according to any one of claims 1 to 8, wherein an oil gun hose is connected to a tail end of the oil nozzle, a rear oil gun guide pipe is connected to a tail end of the oil gun hose, a rear oil gun plug is connected to a tail end of the rear oil gun guide pipe, and an oil supply hose connector communicated with the inside of the rear oil gun plug is arranged on the rear oil gun plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020509831.2U CN211925741U (en) | 2020-04-09 | 2020-04-09 | Mechanical centrifugal atomizing oil gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020509831.2U CN211925741U (en) | 2020-04-09 | 2020-04-09 | Mechanical centrifugal atomizing oil gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211925741U true CN211925741U (en) | 2020-11-13 |
Family
ID=73374930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020509831.2U Active CN211925741U (en) | 2020-04-09 | 2020-04-09 | Mechanical centrifugal atomizing oil gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211925741U (en) |
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2020
- 2020-04-09 CN CN202020509831.2U patent/CN211925741U/en active Active
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