阅读说明：本技术 一种用于焚烧炉的燃油燃烧器 (Oil burner for incinerator ) 是由 李顺荣 孙玉东 林勇 于 2019-11-04 设计创作，主要内容包括：本发明是一种用于焚烧炉的燃油燃烧器,包括燃烧器壳体,火焰筒、油枪总成、点火针组件、扩散盘、风门调节机构、油路模块、点火变压器,在燃烧器壳体前端的一侧设有可开、关的冷却风入口,扩散盘固定安装在油枪总成的前端与油枪总成形成一个整体,燃油燃烧器还包括油枪总成进退驱动机构,油枪总成进退驱动机构与所述油枪总成连接驱动油枪总成整体进退,进而驱使扩散盘在火焰筒与冷却风入口之间移动。有益效果是：有效的解决了现有技术中油枪总成上的油嘴容易结焦和扩散盘容易被烧坏的问题,从而保证了燃油燃烧器的使用寿命,为企业节约成本。(The invention relates to an oil burner for an incinerator, which comprises a burner shell, a flame tube, an oil gun assembly, an ignition needle assembly, a diffusion disc, an air door adjusting mechanism, an oil circuit module and an ignition transformer, wherein an openable and closable cooling air inlet is formed in one side of the front end of the burner shell, the diffusion disc is fixedly arranged at the front end of the oil gun assembly and forms a whole with the oil gun assembly, the oil burner also comprises an oil gun assembly advancing and retreating driving mechanism, and the oil gun assembly advancing and retreating driving mechanism is connected with the oil gun assembly to drive the oil gun assembly to advance and retreat integrally so as to drive the diffusion disc to move between the flame tube and the cooling air inlet. The beneficial effects are that: the problems that in the prior art, an oil nozzle on an oil gun assembly is easy to coke and a diffusion disc is easy to burn out are effectively solved, so that the service life of the fuel oil burner is ensured, and the cost of enterprises is saved.)

1. An oil burner for an incinerator comprises a burner shell, a flame tube, an oil gun assembly, an ignition needle assembly, a diffusion disc, an air door adjusting mechanism, an oil path module and an ignition transformer, wherein the flame tube is arranged at the front end of the burner shell, the diffusion disc is arranged in the flame tube, the oil gun assembly is arranged at the center of an inner cavity of the burner shell, the front end of the oil gun assembly extends to the diffusion disc, the ignition needle assembly is arranged on the oil gun assembly, the front end of the ignition needle assembly extends to the diffusion disc, the air door adjusting mechanism is arranged at the bottom of the inner cavity of the burner shell, the oil path module and the ignition transformer are fixedly arranged on the outer side surface of the burner shell, the oil path module is communicated with the tail end of the oil gun assembly through a high-pressure hose, and the ignition needle assembly is connected with the ignition transformer through a high-pressure lead wire, the fuel burner is characterized in that an openable and closable cooling air inlet is formed in one side of the front end of the burner shell, the diffusion disc is fixedly installed at the front end of the oil gun assembly to form a whole with the oil gun assembly, the fuel burner further comprises an oil gun assembly advancing and retreating driving mechanism, the oil gun assembly advancing and retreating driving mechanism is connected with the oil gun assembly to drive the oil gun assembly to advance and retreat integrally, and then the diffusion disc is driven to move between the flame tube and the cooling air inlet.

2. The fuel oil burner for an incinerator according to claim 1, wherein the fuel oil gun assembly advancing and retreating driving mechanism comprises two cylinders and a cylinder push plate, the two cylinders are respectively installed at both sides of the burner housing, the cylinder push plate is installed at the end of the fuel oil gun assembly, and the output ends of the two cylinders are respectively connected with both ends of the cylinder push plate.

3. The fuel oil burner for an incinerator according to claim 1, wherein a cooling air inlet cylinder is provided at the cooling air inlet port so as to be inclined rearward, and a cooling air butterfly valve for opening and closing the cooling air inlet port is provided at a nozzle of the cooling air inlet cylinder.

4. The fuel oil burner for an incinerator according to claim 1, wherein a rear cover plate is provided at a rear end of the burner housing, the oil gun assembly extends through the rear cover plate into the inner cavity of the burner housing, and the oil gun assembly is seated in the inner cavity of the burner housing through an oil gun seat.

5. The fuel oil burner for an incinerator according to claim 1, wherein said damper adjustment mechanism includes a damper shaft, a damper plate, a servo adjustment motor and a wind pressure switch, said damper shaft having at least two lateral openings installed on said burner housing, said damper plate being fixed on said damper shaft, said damper switch and said servo adjustment motor being disposed on an outer side of said burner housing, said servo adjustment motor being connected to said damper shaft through a coupling to drive said damper shaft to rotate.

6. A fuel burner for an incinerator according to claim 1, further comprising a flame detector fixed to the burner housing through a fire detection cooling mount, an insulating glass is irradiated on the flame detector, a screw joint is installed on the fire detection cooling mount, a copper ball valve is installed on the screw joint, and a quick plug for introducing compressed air is installed on the copper ball valve for quick installation of a plastic hose at a site user.

7. The fuel oil burner for an incinerator according to claim 1, wherein a viewing window is formed at a top of the burner housing, an upper cover plate is provided on the viewing window, and a handle is provided on the upper cover plate.

Technical Field

The invention relates to the technical field of burners, in particular to an oil-fired burner for an incinerator.

Background

Along with the implementation of new national standards of waste incineration emission and the strong support of national policies, the incinerator fuel oil burner is rapidly developed, the combustion technology is gradually improved and is increasingly enriched, but the current garbage incinerator burner mainly adopts a starting and auxiliary burner with imported international famous brand, the imported burner is expensive and does not accord with the domestic actual condition, and the ignition failure rate is high; moreover, when the temperature in the combustion chamber reaches 850-; the maintenance cost is high.

Disclosure of Invention

The invention aims to solve the technical problem of providing the incinerator fuel oil burner which is simple in structure and long in service life.

The technical scheme is as follows,

an oil burner for an incinerator comprises a burner shell, a flame tube, an oil gun assembly, an ignition needle assembly, a diffusion disc, an air door adjusting mechanism, an oil path module and an ignition transformer, wherein the flame tube is arranged at the front end of the burner shell, the diffusion disc is arranged in the flame tube, the oil gun assembly is arranged at the center of an inner cavity of the burner shell, the front end of the oil gun assembly extends to the diffusion disc, the ignition needle assembly is arranged on the oil gun assembly, the front end of the ignition needle assembly extends to the diffusion disc, the air door adjusting mechanism is arranged at the bottom of the inner cavity of the burner shell, the oil path module and the ignition transformer are fixedly arranged on the outer side surface of the burner shell, the oil path module is communicated with the tail end of the oil gun assembly through a high-pressure hose, and the ignition needle assembly is connected with the ignition transformer through a high-pressure lead wire, the fuel burner is characterized in that an openable and closable cooling air inlet is formed in one side of the front end of the burner shell, the diffusion disc is fixedly installed at the front end of the fuel gun assembly to form a whole with the fuel gun assembly, the fuel burner further comprises a fuel gun assembly advancing and retreating driving mechanism, the fuel gun assembly advancing and retreating driving mechanism is connected with the fuel gun assembly to drive the fuel gun assembly to advance and retreat integrally, and further drives the diffusion disc to move between the flame tube and the cooling air inlet, so that the problems that an oil nozzle on the fuel gun assembly is coked and the diffusion disc is easily burnt are solved, the burner is stopped, the fuel gun assembly is driven to retreat integrally through the fuel gun assembly advancing and retreating driving mechanism, the diffusion disc retreats to the cooling air inlet, and cooling air enters the diffusion disc and the oil nozzle on the fuel gun assembly to be blown and cooled.

As a further improvement, the oil gun assembly advance and retreat driving mechanism comprises two cylinders and a cylinder push plate, the two cylinders are respectively installed on two sides of the combustor shell, the cylinder push plate is installed at the tail end of the oil gun assembly, the output ends of the two cylinders are respectively connected with two ends of the cylinder push plate, and the cylinders drive the cylinder push plates to rotate so as to enable the oil gun assembly to be screwed in or screwed out.

As a further improvement, a cooling air inlet cylinder is arranged on the cooling air inlet in a backward inclining mode, and a cooling air butterfly valve for opening and closing the cooling air inlet is arranged on a cylinder opening of the cooling air inlet cylinder. Because the temperature of its front end is very high at the work of combustor, so get into a section of thick bamboo through the cooling air and set up the cooling air entry backward to get rid of the hot-air admission of combustor front end, it is cold air to guarantee that the cooling air entry gets into, for the ease of switch cooling air entry simultaneously, the cooling air butterfly valve that sets up on the nozzle that the cooling air got into a section of thick bamboo not only seals effectually, also can open the position to the biggest 90 when opening, in order to guarantee to send into the cooling air in a large number fast.

As a further improvement, a rear cover plate is arranged at the rear end of the burner shell, the oil gun assembly penetrates through the rear cover plate and extends into the inner cavity of the burner shell, and the oil gun assembly is arranged in the inner cavity of the burner shell through an oil gun supporting seat. Is convenient to disassemble and assemble.

As a further improvement, air door adjustment mechanism includes air door axle, air door board, servo accommodate motor and wind pressure switch, the air door axle has two transverse installation at least on the combustor casing, the air door board is fixed on the air door axle, the air door switch all sets up with servo accommodate motor on the lateral surface of combustor casing, servo accommodate motor passes through shaft coupling and air door axle connection, and the drive air door axle rotates to this drive air door switching.

As a further improvement, the fuel burner further comprises a flame detector fixed on the burner housing through a fire detection cooling mounting seat, heat insulation glass is irradiated on the flame detector, a threaded joint is mounted on the fire detection cooling mounting seat, a copper ball valve is mounted on the threaded joint, and a quick plug for introducing compressed air through a plastic hose quickly mounted on a field user is mounted on the copper ball valve. The problem that the flame detector is easily burnt out by hearth radiation heat when the burner stops working is effectively solved, and the heat insulation glass well blocks the heat radiation outside so as to ensure the service life of the flame detector.

As a further improvement, in order to be convenient to disassemble during equipment maintenance, a visual window is formed in the top of the combustor shell, an upper cover plate is arranged on the visual window, and a handle is arranged on the upper cover plate.

Advantageous effects

The beneficial effects are that: the oil gun assembly is driven by the oil gun assembly advancing and retreating driving mechanism to integrally retreat the oil gun assembly, the diffusion disc retreats to the cooling air inlet, and cooling air enters the diffusion disc and the oil nozzle on the oil gun assembly to blow, purge and cool, so that the problems that the oil nozzle on the oil gun assembly is easy to coke and the diffusion disc is easy to burn in the prior art are effectively solved, the service life of the fuel oil burner is ensured, and the cost is saved for enterprises.

Drawings

The invention is further explained with the embodiment in the following.

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a first cross-sectional view of an embodiment of the present invention;

FIG. 3 is a second cross-sectional view of the embodiment of the present invention;

FIG. 4 is a bottom view of the overall structure of the present invention;

fig. 5 is an assembly diagram of the oil gun assembly and the diffusion disc of the present invention.

Reference numbers in the figures:

1. combustor shell 2, flame tube 3 and oil gun assembly

4. Ignition needle assembly 5, diffusion disc 6 and air door adjusting mechanism

7. Oil circuit module 8, ignition transformer 9, oil gun assembly advance and retreat actuating mechanism

10. Cooling air inlet 11, cooling air inlet cylinder 12 and cooling air butterfly valve

13. Rear cover plate 14, oil gun supporting seat frame 15 and flame detector

16. Fire detection cooling mounting seat 17, threaded joint 18 and copper ball valve

19. Quick plug 20, upper cover plate 21 and handle

61. Air door shaft 62, air door plate 63 and servo adjusting motor

64. Wind pressure switch 91, cylinder 92, cylinder

93. Cylinder push plate

Detailed Description

So that the manner in which the above recited features of the present invention can be understood and readily understood, a more particular description of the invention, briefly summarized above, may be had by reference to embodiments, some of which are illustrated in the appended drawings, wherein:

as shown in fig. 1-5, an oil burner for an incinerator comprises a burner housing 1, a flame tube 2, an oil gun assembly 3, an ignition needle assembly 4, a diffusion disc 5, an air door adjusting mechanism 6, an oil path module 7 and an ignition transformer 8, wherein the flame tube 2 is arranged at the front end of the burner housing 1, the diffusion disc 5 is arranged in the flame tube 2, the oil gun assembly 3 is arranged at the center of the inner cavity of the burner housing 1, the front end of the oil gun assembly extends to the diffusion disc 5, the ignition needle assembly 4 is arranged on the oil gun assembly 3, the front end of the ignition needle assembly extends to the diffusion disc 5, the air door adjusting mechanism 6 is arranged at the bottom of the inner cavity of the burner housing 1, the oil path module 7 and the ignition transformer 8 are fixedly arranged on the outer side surface of the burner housing 1, the oil path module 7 is communicated with the tail end of the oil gun assembly 3 through a high-pressure hose, the ignition needle assembly 4 is connected with the ignition transformer 8 through a, an openable and closable cooling air inlet 10 is arranged on one side of the front end of a combustor shell 1, a diffusion disc 5 is fixedly installed at the front end of an oil gun assembly 3 and forms a whole with the oil gun assembly 3, the fuel combustor further comprises an oil gun assembly advancing and retreating driving mechanism 9, the oil gun assembly advancing and retreating driving mechanism 9 is connected with the oil gun assembly 3 to drive the oil gun assembly 3 to advance and retreat integrally, and further drives the diffusion disc 5 to move between a flame tube 2 and the cooling air inlet 10, so that the problems that an oil nozzle on the oil gun assembly 3 is coked and the diffusion disc 5 is easily burnt are solved, the combustor stops, the oil gun assembly 3 is driven to retreat integrally through the oil gun assembly advancing and retreating driving mechanism 9, the diffusion disc 5 retreats to the cooling air inlet and aims at the diffusion disc 5 and the oil nozzle on the oil gun assembly 3 to be blown and cooled.

The oil gun assembly advance and retreat actuating mechanism 9 comprises two cylinders 91 and 92 and a cylinder push plate 93, the two cylinders are respectively arranged on two sides of the combustor shell 1, the cylinder push plate 93 is arranged at the tail end of the oil gun assembly 3, the output ends of the two cylinders are respectively connected with two ends of the cylinder push plate 93, and the cylinders drive the cylinder push plates to rotate so as to screw in or screw out the oil gun assembly.

A cooling air inlet tube 11 is obliquely arranged above the cooling air inlet 10, and a cooling air butterfly valve 12 for opening and closing the cooling air inlet is arranged on the tube mouth of the cooling air inlet tube 11. Because the temperature of its front end is very high at the work of combustor, so get into a section of thick bamboo through the cooling air and set up the cooling air entry backward to get rid of the hot-air admission of combustor front end, it is cold air to guarantee that the cooling air entry gets into, for the ease of switch cooling air entry simultaneously, the cooling air butterfly valve that sets up on the nozzle that the cooling air got into a section of thick bamboo not only seals effectually, also can open the position to the biggest 90 when opening, in order to guarantee to send into the cooling air in a large number fast.

The rear end of the burner shell 1 is provided with a rear cover plate 13, the oil gun assembly 3 passes through the rear cover plate 13 and extends into the inner cavity of the burner shell 1, and the oil gun assembly 3 is arranged in the inner cavity of the burner shell 1 through an oil gun supporting seat frame 14. Is convenient to disassemble and assemble.

The air door adjusting mechanism 6 comprises an air door shaft 61, an air door plate 62, a servo adjusting motor 63 and an air pressure switch 64, wherein the air door shaft 61 is transversely arranged on the combustor shell 1 at least, the air door plate 62 is fixed on the air door shaft, the air door switch 64 and the servo adjusting motor 63 are arranged on the outer side surface of the combustor shell 1, the servo adjusting motor 63 is connected with the air door shaft 61 through a coupler, and the air door shaft is driven to rotate so as to drive the air door to be opened and closed.

The fuel burner also comprises a flame detector 15, the flame detector 15 is fixed on the burner shell 1 through a fire detection cooling mounting seat 16, heat insulation glass is irradiated on the flame detector 15, a threaded connector 17 is mounted on the fire detection cooling mounting seat, a copper ball valve 18 is mounted on the threaded connector 17, and a quick plug 19 for quickly mounting a plastic hose to introduce compressed air at a field user is mounted on the copper ball valve 18. The problem that the flame detector is easily burnt out by hearth radiation heat when the burner stops working is effectively solved, and the heat insulation glass well blocks the heat radiation outside so as to ensure the service life of the flame detector.

In order to be convenient to disassemble during equipment maintenance, a visible window is formed in the top of the combustor shell 1, an upper cover plate 20 is arranged on the visible window, and a handle 21 is arranged on the upper cover plate 20.

Before the fuel burner works, the fuel oil delivery pump set controls the oil pressure of the outlet of the fuel oil pump to be about 0.8-1.2 MPa under the action of a pressure stabilizing valve, and stable oil pressure is delivered to the burner. At this time, the oil burner is started, and after the oil gun assembly 3 and the diffusion plate 5 are pushed to the front end of the oil burner in place by the action of the cylinders 91 and 92, the verification of the operating condition of the boiler → the purging of the furnace with a large damper → the operation of the ignition transformer → the operation of the oil solenoid valve → the verification of flame (the stop of the ignition transformer) → the confirmation of the establishment of flame → the start of the main fuel solenoid valve → the establishment of the main flame → the regulation of fuel load → the normal stop → the purging of the furnace with an air. The fuel oil can be continuously delivered to the nozzle from small to large by the action of the flow regulating valve in the combustor part so as to realize the combustion proportion regulation. The flow control valve is driven by an independent servo motor, the air door adjusting mechanism is driven by the independent servo motor, and the two servo motors are used for realizing automatic air-oil ratio adjustment through the PLC.

In summary, the present invention is only a preferred embodiment, and not intended to limit the scope of the invention, and all equivalent changes and modifications in the shape, structure, characteristics and spirit of the present invention described in the claims should be included in the scope of the present invention.