CN220303634U - Annular air curtain protection oil gun - Google Patents

Annular air curtain protection oil gun Download PDF

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Publication number
CN220303634U
CN220303634U CN202321996293.4U CN202321996293U CN220303634U CN 220303634 U CN220303634 U CN 220303634U CN 202321996293 U CN202321996293 U CN 202321996293U CN 220303634 U CN220303634 U CN 220303634U
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China
Prior art keywords
oil
oil gun
air
head
pipe
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Application number
CN202321996293.4U
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Chinese (zh)
Inventor
李凡
郭传山
欧子健
张立强
谷威
张科礼
王栋
刘进祥
刘宝满
任刚
王战
李烨
万文煜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Siqi Environmental Protection Technology Co ltd
National Energy Group Shanxi Electric Power Co ltd
Shenhua Shendong Power Shanxi Hequ Power Generation Co Ltd
Original Assignee
Wuhan Siqi Environmental Protection Technology Co ltd
National Energy Group Shanxi Electric Power Co ltd
Shenhua Shendong Power Shanxi Hequ Power Generation Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Wuhan Siqi Environmental Protection Technology Co ltd, National Energy Group Shanxi Electric Power Co ltd, Shenhua Shendong Power Shanxi Hequ Power Generation Co Ltd filed Critical Wuhan Siqi Environmental Protection Technology Co ltd
Priority to CN202321996293.4U priority Critical patent/CN220303634U/en
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Publication of CN220303634U publication Critical patent/CN220303634U/en
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Abstract

The utility model discloses an annular air curtain protection oil gun, which comprises: the oil gun tube is internally provided with an oil supply tube, and the left side of the oil supply tube is connected with an oil supply port; the oil gun head comprises an oil spray head, the left side of the oil spray head is connected with an oil supply pipe, an inner joint is arranged outside the oil supply pipe, and the oil gun barrel is connected with the oil gun head through the inner joint; the tuber pipe parcel is in the oil gun pipe periphery, and oil gun barrel left side is connected with the air inlet, and oil gun barrel right side is connected with the stationary flow dish, and the stationary flow dish is provided with the air jet. The right end of the oil gun head is provided with a flame spraying opening, the left end of the oil spraying head is provided with an oil spraying hole, and the flame spraying opening comprises an air spraying ring and an air spraying hole. The high-pressure air curtain sprayed out of the air pipe outlet is arranged outside the oil gun port in a surrounding mode, flame sprayed out of the oil gun can be protected through the air curtain, interference to the flame caused by hearth smoke and the like is reduced, and stability of flame combustion is improved.

Description

Annular air curtain protection oil gun
Technical Field
The utility model relates to the technical field of ignition oil guns, in particular to an annular air curtain protection oil gun.
Background
The ignition oil gun is a device for fully burning fuel oil by atomizing the fuel oil and igniting the fuel oil through air distribution and is mainly used for igniting and igniting coal-fired kiln equipment. Besides the basic ignition function, the oil gun also needs to have a stable and natural winding function. When combustion is unstable due to poor coal quality and the like in the hearth, an oil gun is required to be rapidly put in and to stabilize ignition and combustion. The muzzle of current oil gun lacks flame protection device, and the flame stability of rifle head is relatively poor, and the flue gas in the furnace can cause the interference to it for the fuel can not fully burn, and the fuel loss is great in the use, has improved use cost.
Disclosure of Invention
The utility model aims at: in order to solve the problems, the utility model provides an annular air curtain protection oil gun.
The utility model adopts the following technical scheme for realizing the purposes, and comprises the following steps: the oil gun tube is internally provided with an oil supply tube, and the left side of the oil supply tube is connected with an oil supply port;
the oil gun comprises an oil gun head, wherein an oil injection head is arranged in the oil gun head, the left side of the oil injection head is connected with an oil supply pipe, an inner joint is arranged outside the oil supply pipe, and the oil gun barrel is connected with the oil gun head through the inner joint;
the air pipe is wrapped around the oil gun pipe, an air inlet is connected to the left side of the oil gun pipe, and a steady flow disc is connected to the right side of the oil gun pipe.
As a further description of the above technical solution, the right end of the oil gun head is provided with flame spraying ports, and the number of the flame spraying ports is 12.
As a further description of the above technical solution, the left end of the oil nozzle is provided with oil spray holes, and the number of the oil spray holes is 6.
As a further description of the above technical solution, an annular gasket is disposed between the oil injector and the oil supply pipe.
As a further description of the technical scheme, the air pipe is conical in shape at the oil gun head section, and the included angle of the conical side face of the air pipe is 90 degrees.
As a further description of the above technical solution, the diameter of the steady flow disc is four times that of the oil gun tube, and the steady flow disc is provided with air nozzles.
As a further description of the above technical solution, the gas nozzles include a gas injection ring and gas injection holes, and the gas injection holes are uniformly distributed in three groups according to a circumferential direction.
As a further description of the above technical solution, the diameter of the gas injection ring is one half larger than the gas injection hole, and the shape of the gas injection hole is circular.
As a further description of the above technical solution, the oil jet and the nipple are fixed inside the oil gun head by a screw structure.
As a further description of the above technical solution, the oil gun head, the oil gun barrel and the steady flow disc share the same axis.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the high-pressure air curtain sprayed out of the air pipe outlet is annularly arranged outside the oil gun port, flame sprayed out of the oil gun can be protected through the air curtain, the interference of hearth smoke and the like on the flame is reduced, and the stability of flame combustion is improved.
In order to more clearly illustrate the structural features and functions of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and the embodiments.
Drawings
FIG. 1 is a front view of an annular air curtain protection gun of the present utility model;
FIG. 2 is a right side view of the annular air curtain protection gun of the present utility model;
fig. 3 is a cross-sectional view of the tail of the oil gun of fig. 1.
FIG. 4 is a cross-sectional view of the gun head of FIG. 1;
FIG. 5 is a front view of the injector head and nipple of FIG. 4;
fig. 6 is a side view of the injector head and nipple of fig. 5.
Reference numerals: 1. a gun barrel; 11. an oil supply pipe; 12. an oil supply port; 2. an oil gun head; 21. flame spraying ports; 22. an oil spray head; 23. an oil injection hole; 24. an inner joint; 25. a gasket; 3. an air duct; 31. an air inlet; 32. a steady flow disk; 33. an air jet; 331. a gas spraying ring; 332. and the air injection holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1-6, in one embodiment, an annular air curtain protects an oil gun comprising: the oil gun tube 1, oil gun tube 1 right side is connected with oil gun head 2, and oil gun tube 1 and oil gun head 2 outside are provided with tuber pipe 3.
Specifically, the oil gun tube 1 is internally provided with an oil supply tube 11, the left side of the oil supply tube 11 is connected with an oil supply port 12, and the oil gun tube 1 and the oil gun head 2 are connected through an inner joint 24.
For the concrete structure of the oil gun head 2, an oil spray head 22 is arranged inside the oil gun head 2, the left side of the oil spray head 22 is connected with an oil supply pipe 11, and an inner joint 24 is arranged outside the oil supply pipe 11. Further, the right end of the oil gun head 2 is provided with flame spraying ports 21, and the number of the flame spraying ports 21 is 12. The left end of the oil jet 22 is provided with oil jet holes 23, and the number of the oil jet holes 23 is 6. The oil spray head 22 and the inner joint 24 are fixed inside the oil gun head 2 through a threaded structure, and an annular gasket 25 is arranged between the oil spray head 22 and the oil supply pipe 11, so that the tightness of the oil supply pipe 11 is ensured, the fuel is prevented from overflowing during the conveying process, and the safety in the ignition process is improved.
Describing the structure of the air pipe 3, the air pipe 3 is wrapped around the oil gun pipe 1, the left side of the oil gun pipe 1 is connected with an air inlet 31, the right side of the oil gun pipe 1 is connected with a steady flow disk 32, the steady flow disk 32 is provided with an air jet 33, and the air jet 33 comprises an air jet ring 331 and an air jet hole 332. Specifically, the air pipe 3 is conical in shape at the section of the oil gun head 2, and the included angle of the conical side face of the air pipe 3 is 90 degrees. The diameter of the steady flow disk 32 is four times that of the oil gun tube 1, the air holes 332 are distributed in three groups, the number of each group is consistent, the groups are annularly distributed on the steady flow disk 32, the diameter of the air hole 331 is one half larger than that of the air hole 332, and the shape of the air hole 332 is circular. Further, the oil gun head 2, the oil gun tube 1 and the steady flow disk 32 share the same axis.
Compressed air enters the air pipe 3 from the air inlet 31 and then is sprayed out from the air spraying ports 33 on the flow stabilizing disc 32, a high-pressure air curtain can be formed around the oil gun head 2, and the annular high-pressure air curtain sprayed out by the air spraying ring 331 can wrap flames at the flame spraying ports 21, so that the interference of external smoke and other factors is effectively prevented, and the stability of the flames in combustion is improved; the air column sprayed out of the circular air spraying holes 332 quickens the circulation of air, improves the combustion efficiency of fuel oil, and prevents the fuel oil from being mixed with impurities in a hearth to form carbon deposition so as to cause the blockage of the flame spraying holes 21.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. An annular air curtain protection oil gun, comprising: the oil gun comprises an oil gun tube (1), wherein an oil supply tube (11) is arranged in the oil gun tube (1), and an oil supply port (12) is connected to the left side of the oil supply tube (11);
the oil gun comprises an oil gun head (2), wherein an oil injection head (22) is arranged inside the oil gun head (2), an oil supply pipe (11) is connected to the left side of the oil injection head (22), an inner joint (24) is arranged outside the oil supply pipe (11), and the oil gun pipe (1) and the oil gun head (2) are connected through the inner joint (24);
the air pipe (3), the air pipe (3) wraps the periphery of the oil gun pipe (1), an air inlet (31) is connected to the left side of the oil gun pipe (1), and a steady flow disc (32) is connected to the right side of the oil gun pipe (1).
2. An annular air curtain protection oil gun according to claim 1, characterized in that the right end of the oil gun head (2) is provided with flame spraying ports (21), and the number of the flame spraying ports (21) is 12.
3. An annular air curtain protection oil gun according to claim 1, characterized in that the left end of the oil spray head (22) is provided with oil spray holes (23), the number of the oil spray holes (23) is 6.
4. An annular air curtain protection oil gun according to claim 1, characterized in that an annular gasket (25) is arranged between the oil jet (22) and the oil feed pipe (11).
5. An annular air curtain protection oil gun according to claim 1, characterized in that the air duct (3) is conical in shape at the section of the oil gun head (2), and the included angle of the conical side surface of the air duct (3) is 90 °.
6. An annular air curtain protection oil gun according to claim 1, characterized in that the diameter of the flow stabilizing disc (32) is four times that of the oil gun tube (1), and the flow stabilizing disc (32) is provided with air nozzles (33).
7. An annular air curtain protection oil gun according to claim 6, characterized in that the air nozzles (33) comprise an air ring (331) and air nozzles (332), the air nozzles (332) being evenly distributed with three groups according to the circumferential direction.
8. An annular air curtain protection oil gun according to claim 7, characterized in that the diameter of the air injection ring (331) is one half larger than the air injection holes (332), the shape of the air injection holes (332) being circular.
9. An annular air curtain protection oil gun according to claim 1, characterized in that the oil jet (22) and the nipple (24) are fixed inside the oil gun head (2) by means of screw structures.
10. An annular air curtain protection oil gun according to claim 1, characterized in that the oil gun head (2), the oil gun tube (1) and the steady flow disc (32) share the same axis.
CN202321996293.4U 2023-07-27 2023-07-27 Annular air curtain protection oil gun Active CN220303634U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321996293.4U CN220303634U (en) 2023-07-27 2023-07-27 Annular air curtain protection oil gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321996293.4U CN220303634U (en) 2023-07-27 2023-07-27 Annular air curtain protection oil gun

Publications (1)

Publication Number Publication Date
CN220303634U true CN220303634U (en) 2024-01-05

Family

ID=89348996

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321996293.4U Active CN220303634U (en) 2023-07-27 2023-07-27 Annular air curtain protection oil gun

Country Status (1)

Country Link
CN (1) CN220303634U (en)

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