CN211876017U

CN211876017U - Oil return type mechanical atomization oil gun

Info

Publication number: CN211876017U
Application number: CN202020490007.7U
Authority: CN
Inventors: 陈文武; 庞洋
Original assignee: Guangzhou Jiesheng Mechanical And Electrical Technology Co ltd
Current assignee: Guangzhou Jiesheng Mechanical And Electrical Technology Co ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2020-11-06
Anticipated expiration: 2030-04-07

Abstract

The utility model discloses an oil return type mechanical atomization oil gun in the technical field of oil guns, which comprises an oil gun outer conduit, wherein the end part of the oil gun outer conduit is fixedly connected with a transition joint, the end part of the transition joint is provided with an oil distribution disc, a vortex sheet, an atomization sheet and an oil distribution disc, the installation is arranged from inside to outside in proper order to spinning disk and atomizing piece, transition joint outer wall threaded connection has the nut, end cap behind the other end fixedly connected with outer tube of oil gun outer conduit, end cap behind end cap tip fixedly connected with inner tube behind the outer tube, fixedly connected with oil gun inner tube in the middle of the end cap behind the outer tube, oil gun inner tube tip fixedly connected with oil gun inner tube transition joint, oil gun inner tube transition joint tip fixedly connected with oil return inner tube, oil return inner tube tip installs the branch food tray in, has seted up the oil return chamber in the middle of the branch oil tray, the utility model discloses adjustable return pressure stabilizes the fuel injection quantity, and stable burning guarantees that the atomized particles is less than or equal to 100 um.

Description

Oil return type mechanical atomization oil gun

Technical Field

The utility model relates to an oil gun technical field specifically is an oil return formula mechanical atomization oil gun.

Background

In the prior art, the fuel oil burner is mainly composed of a fuel oil nozzle (i.e. an oil gun) and an air distributor. The fuel oil is atomized into fine oil mist particles through the oil gun through the oil inlet pipe and then sprayed into the furnace for combustion, and the air distributor provides air required by combustion. In order to fully burn the fuel oil, the atomization quality of the fuel oil must be improved, and the oil mist and the combustion-supporting air should be fully mixed to form a good combustion air dynamic field. It is readily apparent that the quality of the atomization and the mixing regime are the main factors affecting the oil combustion.

At present, oil guns widely used by oil burners in China are mainly divided into two main types of oil guns working on a single atomization principle, namely mechanical atomization and medium (steam or compressed air) atomization. Due to the defects of the principle and the structure of the two types of oil guns and the poor quality of fuel oil in China, the two types of oil guns generally have the problems of large atomization particle size, incomplete combustion, difficult direct ignition of heavy and residual oil in a cooling furnace, serious coking and blockage of the oil guns, direct influence on the operation of related matched equipment by incompletely combusted oil drops and the like, and cannot meet the requirements of efficient and sufficient combustion, energy conservation and emission reduction. At present, the oil pressure of an oil supply source of an oil gun is difficult to stabilize, so that the oil injection quantity is unstable, the atomization quality of the oil gun is not high, and the fuel oil is not sufficiently combusted.

Based on this, the utility model designs an oil return formula mechanical atomization oil gun to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil return formula mechanical atomization oil gun to the oil gun that proposes in solving above-mentioned background art supplies oil source oil pressure to be difficult to stably, causes the fuel injection quantity unstable, and the oil gun atomization quality is not high, the insufficient problem of fuel oil burning.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an oil return formula mechanical atomization oil gun, includes the outer pipe of oil gun, oil gun outer pipe tip fixedly connected with crossover sub, the crossover sub tip is installed and is divided food tray, spinning disk and atomizing piece, divide food tray, spinning disk and atomizing piece to arrange the installation from inside to outside in proper order, crossover sub outer wall threaded connection has the nut, end cap behind the other end fixedly connected with outer tube of oil gun outer pipe, end cap behind end cap tip fixedly connected with inner tube behind the outer tube, fixedly connected with oil gun inner tube in the middle of the end cap behind the outer tube, pipe tip fixedly connected with oil gun inner tube crossover sub in the oil gun, oil gun inner tube transition joint tip fixedly connected with oil return inner tube, oil return inner tube end portion installs the oil distribution dish, oil return chamber has been seted up in the middle of the oil distribution dish.

Preferably, a sealing ring is fixedly installed between the transition joint and the oil distribution disc, the spinning disk and the atomizing plate are located at the inner end part of the screw cap.

Preferably, the oil return inner pipe is located in the middle of the transition joint, and the oil return chamber is communicated with the oil return inner pipe.

Preferably, the diameter of the oil return chamber is 12 mm.

Preferably, the surface of the spinning disk is provided with a spinning groove, and the width of the spinning groove is 1.5 mm.

Preferably, the outer wall of the outer tube rear plug is communicated with an oil supply hose connector, and the outer wall of the inner tube rear plug is communicated with an oil return hose connector.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses when the oil pressure is unstable, the oil return chamber in the middle of the atomizing chamber and the branch oil pan in the middle of the unnecessary oil mass passes through the oil return inner tube in the middle of the crossover sub, flow into oil gun inner tube transition joint and then retrieve unnecessary oil mass to the oil return hose nipple through pipe in the oil gun after that, adjust back oil pipe way, oil gun nozzle fuel injection quantity is stable at 1.0-2.5MPa, 200Kg/h oil mass, the atomizing angle 70 for the burning is abundant, boiler temperature promotes and accords with boiler furnace type technological requirement.

The utility model discloses an inside oil return structure that is equipped with can make when pressure is unstable, and in unnecessary oil mass oil return pipe in to the oil gun, adjust return pressure, the stable fuel injection quantity, the stable combustion guarantees atomized particles less than or equal to 100 um.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a main view angle semi-section structure of the present invention;

FIG. 2 is a schematic view of the structure of the vortex plate of the present invention;

fig. 3 is a schematic structural view of the oil distribution disc of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-screw cap, 2-atomization sheet, 3-swirl sheet, 4-oil distribution disc, 5-sealing ring, 6-transition joint, 7-oil gun outer conduit, 8-oil gun inner pipe transition joint, 9-oil gun inner conduit, 10-oil supply hose joint, 11-outer pipe rear plug, 12-oil return hose joint, 13-inner pipe rear plug, 14-oil return inner pipe, 15-oil return chamber, and 16-swirl groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides an oil return formula mechanical atomization oil gun, including oil gun

outer pipe

7, 7 tip fixedly connected with transition joint 6 of oil gun outer pipe, 6 tip installation of transition joint divide food tray 4, spinning disk 3 and atomizing piece 2, divide oil tray 4, spinning disk 3 and atomizing piece 2 arrange the installation from inside to outside in proper order, 6 outer wall threaded connection of transition joint has nut 1, end cap 11 behind the other end fixedly connected with outer tube of oil gun outer pipe 7, end cap 13 behind 11 tip fixedly connected with inner tubes of end cap behind the outer tube, fixedly connected with oil gun inner tube 9 in the middle of 11 after the outer tube end cap, 9 tip fixedly connected with oil gun inner tube transition joint 8 in the oil gun, 8 tip fixedly connected with oil return inner tube 14 in the oil gun inner tube transition joint, oil return inner tube 14 tip is installed and is divided food tray 4, divide oil tray 4 middle oil return chamber 15 of having seted up.

Wherein, fixed mounting has sealing washer 5 between transition joint 6 and the oil distribution dish 4, and oil distribution dish 4, spinning disk 3 and atomizing piece 2 are located the tip in nut 1. The oil return inner pipe 14 is positioned in the middle of the transition joint 6, and the oil return chamber 15 is communicated with the oil return inner pipe 14. The oil return chamber 15 has a diameter of 12 mm. The surface of the spinning disk 3 is provided with a spinning groove 16, and the width of the spinning groove 16 is 1.5 mm. The outer wall of the outer pipe rear plug 11 is communicated with an oil supply hose connector 10, and the outer wall of the inner pipe rear plug 13 is communicated with an oil return hose connector 12.

One specific application of this embodiment is: the utility model discloses a diesel oil passes through in fuel feeding hose connects 10 guides into the outer tube back end cap 11 of oil gun with oil, then the oil that has pressure gets into transition joint 6 from the space between oil gun outer pipe 7 and the oil gun inner pipe 9 in, then flow through the branch oilhole on the branch food tray 4, then the whirl groove 16 on the whirl piece 3 gets into the atomizer chamber in the middle of the 2 atomizers of atomizing piece, divide the effect that 16 oil flows in each whirl groove of equipartition entering into of oil tray 4, whirl groove 16 makes the oil pressure change into rotatory momentum with the atomizer chamber, obtain corresponding rotation strength. When the oil flow which is strongly rotated flows through the central conical oil injection hole of the atomizing plate 2, the oil flow overcomes the surface tension of the oil under the action of centrifugal force, and is torn into oil mist-shaped liquid drops, and a conical atomizing torch is formed.

When the oil pressure is unstable, the excessive oil passes through the atomizing chamber in the middle of the atomizing plate 2 and the oil return chamber 15 in the middle of the oil distribution disc 4 and passes through the oil return inner pipe 14 in the middle of the transition joint 6, then flows into the oil gun inner pipe transition joint 8 and further recovers the excessive oil into the oil return hose joint 12 through the oil gun inner guide pipe 9, the oil return pipeline is adjusted, the oil spray quantity of an oil gun nozzle is stabilized at 1.0-2.5MPa, the oil quantity is 200Kg/h, the atomizing angle is 70 degrees, the combustion is sufficient, and the boiler temperature is improved to meet the technological requirements of the boiler type.

The utility model discloses an inside oil return structure that is equipped with can make when pressure is unstable, and return oil pressure is adjusted in unnecessary oil mass oil return pipe 9 in the oil gun, and stable fuel injection quantity stabilizes the burning.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a time oil formula mechanical atomization oil gun which characterized in that: comprises an oil gun outer conduit (7), the end part of the oil gun outer conduit (7) is fixedly connected with a transition joint (6), the end part of the transition joint (6) is provided with an oil distributing disc (4), a spinning disc (3) and an atomizing disc (2), the oil distributing disc (4), the spinning disc (3) and the atomizing disc (2) are sequentially arranged and installed from inside to outside, the outer wall of the transition joint (6) is in threaded connection with a nut (1), the other end of the oil gun outer conduit (7) is fixedly connected with an outer pipe rear plug (11), the end part of the outer pipe rear plug (11) is fixedly connected with an inner pipe rear plug (13), the middle of the outer pipe rear plug (11) is fixedly connected with an oil gun inner conduit (9), the end part of the oil gun inner conduit (9) is fixedly connected with an oil gun inner conduit transition joint (8), the end part of the oil gun inner conduit transition joint (8, an oil distribution disc (4) is installed at the end part of the oil return inner pipe (14), and an oil return chamber (15) is formed in the middle of the oil distribution disc (4).

2. The oil-returning mechanical atomizing oil gun according to claim 1, wherein: a sealing ring (5) is fixedly installed between the transition joint (6) and the oil distribution disc (4), the spinning disk (3) and the atomizing disk (2) are located at the inner end part of the screw cap (1).

3. The oil-returning mechanical atomizing oil gun according to claim 1, wherein: the oil return inner pipe (14) is positioned in the middle of the transition joint (6), and the oil return chamber (15) is communicated with the oil return inner pipe (14).

4. The oil-returning mechanical atomizing oil gun according to claim 1, wherein: the diameter of the oil return chamber (15) is 12 mm.

5. The oil-returning mechanical atomizing oil gun according to claim 1, wherein: the surface of the spinning plate (3) is provided with a spinning groove (16), and the width of the spinning groove (16) is 1.5 mm.

6. The oil-returning mechanical atomizing oil gun according to claim 1, wherein: the outer wall of the outer tube rear plug (11) is communicated with an oil supply hose connector (10), and the outer wall of the inner tube rear plug (13) is communicated with an oil return hose connector (12).