Adjustable integrated oil gun

Abstract

The utility model relates to the technical field of power station fuel-assisted oil guns, and discloses an adjustable integrated oil gun which comprises an oil gun body, and the oil gun body comprises a tail driving mechanism, a middle oil feeding transmission mechanism and a head adjustable mechanism which are connected in sequence. The tail driving mechanism comprises an electric driver, a tail adjusting rod and a driving telescopic connecting rod arranged between the electric driver and the tail adjusting rod, the middle oil feeding transmission mechanism comprises an oil supply pipe and an adjusting connecting rod movably arranged in the oil supply pipe in a sleeved mode, and the head adjustable mechanism comprises an adjusting ejector core and an atomizing nozzle arranged at the front end of the adjusting ejector core. And the rear end of the adjusting ejector core is screwed with an adjusting seat. The electric driver provides main driving force for adjustment, the driving force is sequentially transmitted to the adjusting seat in the head adjusting mechanism by driving the telescopic connecting rod, the tail adjusting handrail, the adjusting connecting rod and the universal joint, and the adjusting seat is in threaded connection with the adjusting ejector core so that the adjusting ejector core can move front and back. And the fuel oil is atomized and the output amount is adjusted in cooperation with an atomizing nozzle.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of power station combustion-supporting oil gun, more particularly to an adjustable integrated oil gun. BACKGROUND

[0002] With the rise of photovoltaic and wind power in China, the on-grid of photovoltaic and wind power during the day will have a great impact on the power grid load, so it is required that the thermal power plant has the ability of wide amplitude peak regulation to meet the demand of the power market.

[0003] The coal feeding system of a power plant is an important system for energy supply of a boiler, raw coal is first conveyed by a belt to a raw coal hopper, then crushed through a coal drop pipe, a coal feeder and a coal mill, and then the coal powder is sent to the furnace through a burner, and finally the coal powder is ignited through an oil gun.

[0004] Due to the non-adjustable characteristics of the oil gun, the combustion of coal powder of the same quality may require different quality of fuel oil to assist the ignition of coal powder and the combustion of coal powder in the power generation process when facing different coal qualities; during the boiler ignition process, the temperature in the furnace will also gradually rise, in order to ensure more sufficient combustion of coal powder in the furnace, the input of the large oil oil gun needs to be adjusted to adapt to this situation, and the large oil oil gun needs to be assisted due to the change of the temperature in the furnace during the operation of the boiler, and the adjustment function of the oil gun is also needed for the auxiliary role. At present, most of the oil guns in domestic power plants are non-adjustable oil guns, which will cause a certain waste of resources. SUMMARY

[0005] Therefore, the utility model provides an adjustable integrated oil gun for the ignition and stable combustion process of a boiler to solve the problem of resource waste.

[0006] To achieve the above purpose, the adjustable integrated oil gun provided by the utility model comprises an oil gun main body, the oil gun main body comprises a tail driving mechanism, a middle oil feeding transmission mechanism and a head adjustable mechanism connected in sequence;

[0007] The tail driving mechanism comprises an electric drive, a tail adjusting rod and a driving telescopic connecting rod arranged between the electric drive and the tail adjusting rod, and the front end of the tail adjusting rod is connected with the middle oil feeding transmission mechanism;

[0008] The middle oil feeding transmission mechanism comprises an oil feeding pipe and an adjusting connecting rod movably sleeved in the oil feeding pipe, the rear end of the adjusting connecting rod is fixedly connected with the front end of the tail adjusting rod, the front end of the adjusting connecting rod is connected with the head adjustable mechanism, and an oil inlet communicating with the inner cavity of the oil feeding pipe is arranged on the outer side wall of the oil feeding pipe;

[0009] The head adjustable mechanism comprises an adjusting top core and an atomizing nozzle arranged at the front end of the adjusting top core, and the rear end of the adjusting top core is screwed with an adjusting seat, and the rear end of the adjusting seat is fixedly connected with the front end of an adjusting connecting rod.

[0010] Preferably, the electric driver is fixedly connected with the oil supply pipe through a driver support, the driving telescopic connecting rod is arranged in the interior of the driver support, and a spring is arranged between the driving telescopic connecting rod and the tail adjusting rod.

[0011] Preferably, a plurality of adjusting connecting rods are arranged, and universal joints are arranged between adjacent adjusting connecting rods.

[0012] Preferably, the rear end of the adjusting connecting rod and the front end of the tail adjusting rod, the adjusting connecting rod and the universal joint, and the rear end of the adjusting seat and the front end of the adjusting connecting rod are fixedly connected through connecting screws, respectively.

[0013] Preferably, the electric driver comprises a stepping motor for driving the driving telescopic connecting rod to rotate.

[0014] Compared with the prior art, the adjustable integrated oil gun has the advantages that the oil gun main body is divided into the tail driving mechanism, the middle oil supply transmission mechanism and the head adjustable mechanism, which are orderly and connected with each other, so that the function realization modules of the oil gun are modularized, the parts have clear division of labor and synergistic cooperation, different links can be conveniently adjusted and maintained, the flexibility and reliability of the oil gun are improved as a whole, the oil gun can better adapt to different use scenes and working conditions, and the oil gun has the following advantages

[0015] Beneficial effects:

[0016] 1. The electric driver (containing a stepping motor) drives the driving telescopic connecting rod to rotate, and can accurately control the action of the driving telescopic connecting rod. Compared with the traditional mode relying on manpower or simple mechanical driving, the electric driving is more accurate and stable, can realize stable pushing of subsequent parts according to preset parameters, so as to accurately control the oil gun operation such as oil spraying, reduce human operation error, and improve the accuracy and consistency of oil spraying.

[0017] 2. The spring is arranged between the driving telescopic connecting rod and the tail adjusting rod, which can play a buffering role on the one hand, can avoid large impact force between the driving telescopic connecting rod and the tail adjusting rod due to rigid contact when the driving telescopic connecting rod acts, protects related parts and prolongs the service life; on the other hand, the spring can also assist in resetting, helping the parts to return to the initial or appropriate position after the driving action is completed, facilitating accurate operation next time, and guaranteeing the stability and repeatability of the action of the whole tail driving mechanism.

[0018] 3. Multiple adjustment links are provided, and universal joints are installed between adjacent adjustment links. This allows the adjustment links to flexibly transmit power during the operation of the fuel gun, even at different installation angles, working postures, or under certain external interference forces. This ensures that the adjustment links in the fuel supply pipe can smoothly drive the fuel to the head, effectively avoiding transmission jams caused by problems such as angular deviation between components, and enhancing the stability and continuity of fuel delivery in complex working conditions.

[0019] 4. The adjusting link and other related components (such as the tail adjusting rod, adjusting seat, etc.) are fixedly connected with connecting screws. This connection method is convenient for disassembly and reinstallation when the components are damaged, need to be replaced or need to be adjusted accurately. It is easy to repair and maintain, reduces the maintenance cost during use, and can ensure the stability of the connection between the components, ensuring the reliable operation of the oil transmission process;

[0020] 5. The adjusting core and adjusting seat are screwed together, and an atomizing nozzle is installed at the front end of the adjusting core. This structure allows the position of the adjusting core to be easily fine-tuned by rotating the adjusting seat, thereby changing key parameters such as the injection pressure, injection angle, and atomization effect of the fuel at the atomizing nozzle. For example, the fuel injection state of the fuel gun can be precisely adjusted to different combustion equipment and different combustion requirements (such as different flame shapes and combustion intensities), thereby improving fuel combustion efficiency and reducing energy waste and pollutant emissions caused by incomplete combustion. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are merely embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0022] Figure 1 This is a schematic diagram of the overall structure of the adjustable integrated oil gun of the present utility model;

[0023] Figure 2 This is a partial enlarged view of the tail drive mechanism of the present utility model;

[0024] Figure 3 It is a partial enlarged view of the middle oil feeding transmission mechanism of the present utility model;

[0025] Figure 4 This is a partial enlarged view of the head adjustable mechanism of the present utility model.

[0026] Explanation of reference signs: 1, atomizing nozzle; 2, adjusting seat; 3, adjusting top core; 4, connecting screw; 5, universal joint; 6, adjusting connecting rod; 7, oil supply pipe; 8, tail adjusting rod; 9, spring; 10, driving telescopic connecting rod; 11, driver support; 12, electric driver; 100, head adjustable mechanism; 200, middle oil feeding transmission mechanism; 300, tail driving mechanism. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] Please refer to the drawings in the embodiments of the utility model Figures 1-4 The utility model discloses an adjustable integrated oil gun.

[0029] The adjustable integrated oil gun provided by the utility model comprises an oil gun main body, which is composed of a tail driving mechanism 300, a middle oil feeding transmission mechanism 200 and a head adjustable mechanism 100 connected in sequence. Figure 1 As shown in the figure, fuel enters the gun body from the oil inlet arranged on the middle oil feeding transmission mechanism 200, is conducted to the head adjustable mechanism 100 by the middle oil feeding transmission mechanism 200 and is output.

[0030] As shown in the figure, the tail driving mechanism 300 comprises a tail adjusting rod 8, a spring 9, a driving telescopic connecting rod 10, a driver support 11 and an electric driver 12. Figure 2

[0031] Specifically, the electric driver 12 is fixedly connected with the oil gun main body through the driver support 11, the driving telescopic connecting rod 10 is arranged between the tail adjusting rod 8 and the electric driver 12, the electric driver 12 comprises a stepping motor for driving the driving telescopic connecting rod 10 to rotate, and the driving telescopic connecting rod 10 is arranged inside the driver support 11, the driving signal of the electric driver 12 is transmitted out through the driving telescopic connecting rod 10, the spring 9 supports the adjusting connecting rod 8 to make the tail adjusting rod 8 float, the transmission efficiency is increased and the transmission resistance is reduced, and the front end of the tail adjusting rod 8 is connected with the middle oil feeding transmission mechanism 200.

[0032] ​It should be noted that the tail driving mechanism 300 is used to provide adjustment power, and the power unit (electric driver 12) of the tail driving mechanism 300 is mainly connected with the oil gun body through the driver support 11, connected with the tail adjusting rod 8 through the driving telescopic connecting rod 10, and the spring 9 arranged between the driving telescopic connecting rod 10 and the tail adjusting rod 8 is used to eliminate the telescopic change caused by adjustment. The back of the tail driving mechanism 300 is provided with a structure for sealing, such as a sealing gasket, foam glue and the like, to prevent the situation that the sealing is not tight due to adjustment.

[0033] As shown in Figure 3 , the middle oil feeding transmission mechanism 200 includes a universal joint 5, an adjusting connecting rod 6 and an oil feeding pipe 7;

[0034] Specifically, the electric driver 12 is fixedly connected with the oil feeding pipe 7 through the driver support 11, the adjusting connecting rod 6 is movably sleeved in the inside of the oil feeding pipe 7, the adjusting connecting rod 6 can freely rotate in the inside of the oil feeding pipe 7, the rear end of the adjusting connecting rod 6 is fixedly connected with the front end of the tail adjusting rod 8 through the connecting screw 4, the front end of the adjusting connecting rod 6 is connected with the head adjustable mechanism 100, the adjusting connecting rod 6 is provided with a plurality of adjusting connecting rods 6, which can increase the transmission and control distance of the oil gun body, the universal joint 5 is arranged between adjacent adjusting connecting rods 6, and the adjusting connecting rod 6 and the universal joint 5 are connected together through the connecting screw 4. The outer wall of the oil feeding pipe 7 is provided with an oil inlet communicating with the inner cavity thereof, and fuel enters the oil gun from the oil inlet;

[0035] It should be noted that the middle oil feeding transmission mechanism 200 is mainly responsible for conveying fuel and transmitting the driving force of the tail driving mechanism 300 to the head adjustable mechanism 100 of the oil gun head. The middle oil feeding transmission mechanism 200 mainly transmits the driving force of the tail adjustment to the head adjustable mechanism 100 through the adjusting connecting rod 6 connected by the universal joint 5, and the middle oil gun body also bears the function of conveying fuel medium to the atomizing nozzle 1 of the oil gun head.

[0036] As shown in Figure 4 , the head adjustable mechanism 100 includes an atomizing nozzle 1, an adjusting seat 2 and an adjusting top core 3;

[0037] The atomizing nozzle 1 is arranged at the front end of the adjusting top core 3, the adjusting seat 2 is arranged at the rear end of the adjusting top core 3, and the adjusting top core 3 and the adjusting seat 2 are both provided with threaded structures to be screwed between them. The rear end of the adjusting seat 2 is fixedly connected with the front end of the adjusting connecting rod 6 through the connecting screw 4, and the oil feeding pipe 7 connects the atomizing nozzle 1 and the driver support 11 together to form an overall appearance structure and support;

[0038] It is to be noted that the head adjustable mechanism 100 receives the adjustment power and fuel medium from the middle oil feeding transmission mechanism 200, and sprays the adjusted fuel from the atomizing nozzle 1 of the head, specifically, the main driving force for adjustment is provided by the electric driver 12, and is sequentially conducted to the adjustment seat 2 in the head adjustable mechanism 100 through the driving telescopic connecting rod 10, the tail adjusting rail 8, the adjusting connecting rod 6 and the universal joint 5, the head adjustable mechanism 100 mainly realizes the forward and backward movement of the adjusting top core 3 by adjusting the adjusting top core 3 in cooperation with the adjustment seat 2, and then realizes the adjustment of atomization and output by using the forward and backward movement of the adjusting top core 3 in cooperation with the atomizing nozzle 1 of the head.

[0039] It is to be noted that the electric driver 12 of the oil gun tail includes a stepping motor, the rotation of the stepping motor can accurately adjust the output of the oil gun on line, the oil gun is installed on the advancing and withdrawing driving device, the oil gun is driven to advance and withdraw by using compressed air to drive the cylinder, further, the advancing and withdrawing driving device and the electric driver 12 are electrically connected to the local control box, on the one hand, the output of the oil gun is controlled by the stepping motor through the button of the local operation box, on the other hand, the advancing and withdrawing of the oil gun are controlled through the button of the local operation box, further, the local control box is communicatively connected to the remote control system, for example, in a wired or wireless mode, logical programming is carried out in the DCS control system, and the output of the oil gun is controlled by the CRT operator.

[0040] The use method of the adjustable integrated fuel oil gun is as follows:

[0041] The electric driver 12 is fixedly connected with the main body of the oil gun through the driver support 11, and the driving signal of the electric driver 12 is transmitted out through the driving telescopic connecting rod 10, the tail adjusting rod 8 is supported by the spring 9 and is suspended, the transmission efficiency is increased and the transmission resistance is reduced, the adjusting rail 6 and the tail adjusting rod 8 are connected through the connecting screw 4, the adjusting connecting rod 6, the universal joint 5 and the adjusting top core 3 are also connected together through the connecting screw 4, the adjusting top core 3 and the adjusting seat 2 are both screw structures, the distance between the adjusting top core 3 and the adjusting seat 2 is adjusted by screwing, and then the distance between the adjusting top core 3 and the atomizing nozzle 12 is adjusted, and the atomizing nozzle 1 and the driver support 11 are connected together through the oil feeding pipe 7 to form the overall appearance structure and support of the oil gun.

[0042] The adjusting principle of the adjustable integrated fuel oil gun is as follows:

[0043] Fuel from the oil supply pipe 7 into the oil gun, via the oil supply pipe 7 to the head of the oil gun to the fuel to the adjustable mechanism 100, and then through the atomizing nozzle 1 of the oil gun, wherein the electric drive 12 provides the main driving force for adjustment, through the drive telescopic connecting rod 10, tail adjusting rail 8, adjusting connecting rod 6, universal joint 5 to the adjusting top core 3 of the head adjusting mechanism 100, the adjusting top core 3 and the adjusting seat 2 are adjusted by thread cooperation to realize the adjustment of the oil flow rate, and cooperate with the atomizing nozzle 1 to realize the adjustment of the output of the oil gun, so as to achieve the adjustable purpose of the oil gun.

[0044] The above description of disclosed embodiments enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An adjustable integrated oil gun comprising an oil gun main body, characterized by, The oil gun body comprises a tail driving mechanism (300), a middle oil feeding transmission mechanism (200) and a head adjustable mechanism (100) connected in sequence; The tail driving mechanism (300) comprises an electric driver (12), a tail adjusting rod (8) and a driving telescopic connecting rod (10) arranged between the electric driver (12) and the tail adjusting rod (8), the front end of the tail adjusting rod (8) is connected with the middle oil feeding transmission mechanism (200); The middle oil feeding transmission mechanism (200) comprises an oil feeding pipe (7) and an adjusting connecting rod (6) movably sleeved in the oil feeding pipe (7), the rear end of the adjusting connecting rod (6) is fixedly connected with the front end of the tail adjusting rod (8), the front end of the adjusting connecting rod (6) is connected with the head adjustable mechanism (100), and an oil inlet is arranged on the outer wall of the oil feeding pipe (7) and communicates with the inner cavity of the oil feeding pipe (7); The head adjustable mechanism (100) comprises an adjusting top core (3) and an atomizing nozzle (1) arranged at the front end of the adjusting top core (3), the rear end of the adjusting top core (3) is screwed with an adjusting seat (2), and the rear end of the adjusting seat (2) is fixedly connected with the front end of the adjusting connecting rod (6).

2. The adjustable integrated oil gun of claim 1, wherein, The electric driver (12) is fixedly connected with the oil feeding pipe (7) through a driver support (11), the driving telescopic connecting rod (10) is arranged in the driver support (11), and a spring (9) is arranged between the driving telescopic connecting rod (10) and the tail adjusting rod (8).

3. The adjustable integrated oil gun of claim 1, wherein, The adjusting connecting rod (6) is provided with a plurality of adjusting connecting rods (6), and a universal joint (5) is arranged between adjacent adjusting connecting rods (6).

4. The adjustable integrated oil gun of claim 3, wherein, The rear end of the adjusting connecting rod (6) and the front end of the tail adjusting rod (8), the adjusting connecting rod (6) and the universal joint (5), and the rear end of the adjusting seat (2) and the front end of the adjusting connecting rod (6) are fixedly connected through connecting screws (4), respectively.

5. The adjustable integrated oil gun of claim 1, wherein, The electric driver (12) comprises a stepping motor for driving the driving telescopic connecting rod (10) to rotate.

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