A lifting type mixed fuel boiler burner and process

Abstract

The invention discloses a lifting type mixed fuel boiler burner and process, comprising a base, a cross arm frame is installed above the base, and a platform is provided above the cross arm frame, a turntable is rotatably installed on the top of the platform, and a slide rail is provided above the turntable, a combustion assembly is movably installed on the slide rail, and the combustion assembly comprises a shell and a flamethrower, a feed pipe is provided above the interior of the shell, and a hopper is connected to one side above the feed pipe, a fuel conduit is provided inside the flamethrower, and an ignition needle is provided on one side of the fuel conduit; the invention changes the height of the combustion assembly through the cross arm frame, drives the combustion assembly to move along the slide rail to change the fire supply distance through the rotation of the threaded screw, drives the turntable to rotate through the rotating motor to change the fire supply direction of the combustion assembly, and moves the device through the universal wheel. In summary, it is easy to adapt to boilers with different fuels, has a wide range of applications, and has strong innovation and practicality.

Description

Technical Field

[0001] The invention relates to the technical field of burners, and in particular to a lifting type mixed fuel boiler burner and a process. Background Art

[0002] A boiler burner refers to a burner used on a boiler. The boiler burner is the most important equipment in the auxiliary equipment of an oil-fired or gas-fired boiler. It is used to transport fuel and air mixed into the furnace of the boiler for combustion and heat release. Existing boiler burners are usually fixed on the outer surface of the boiler combustion chamber. Such a burner can only be adapted to one boiler, has a narrow application range, and is costly. In addition, the firepower of the existing burner's flame spraying end is not concentrated enough, which easily causes waste. Therefore, the present invention proposes a lifting type mixed fuel boiler burner and process to solve the problems existing in the prior art. Summary of the invention

[0003] In view of the above problems, the present invention proposes a lifting type mixed fuel boiler burner and process. The boiler burner can change the height of the combustion assembly through a cross arm, and drive the combustion assembly to move along a slide rail through the rotation of a threaded screw to change the fire supply distance. The turntable is driven to rotate by a rotating motor to change the fire supply direction of the combustion assembly, and the device is moved by a universal wheel. In summary, it is easy to adapt to boilers with different fuels, has a wide range of applications, and has strong innovation and practicality.

[0004] In order to solve the above problems, the present invention proposes a lifting mixed fuel boiler burner, comprising a base, a cross arm frame is installed above the base, and a platform is provided above the cross arm frame, a turntable is rotatably installed on the top of the platform, and a slide rail is provided above the turntable, a combustion assembly is movably installed on the slide rail, and the combustion assembly includes a shell and a flame spray head, a feed pipe is provided above the inside of the shell, and a hopper is connected to one side above the feed pipe, a fuel conduit is provided inside the flame spray head, and an ignition needle is provided on one side of the fuel conduit, and the other side of the fuel conduit is connected to the feed pipe, a spiral shaft is provided in the feed pipe and is driven to rotate by a drive motor, an electromagnetic valve is provided at the connection between the fuel conduit and the feed pipe, an oil and gas joint is provided on one side of the upper end of the shell, and the oil and gas joint is connected to the fuel conduit, a wind compressor is provided below the inside of the shell, and the input end of the wind compressor is connected to the outside of the shell, and the output end of the wind compressor is connected to a bellows, and the bellows is connected to the fuel conduit.

[0005] A further improvement is that a filter screen is provided above the interior of the bellows, and at least two groups of the filter screens are provided.

[0006] A further improvement is that a fire collecting hood is installed at the output end of the flame spray head, and the fire collecting hood is funnel-shaped, a plurality of hollow holes are arranged on the side wall of the fire collecting hood, and one end of the fire collecting hood is rotatably installed with the flame spray head through a hinge shaft.

[0007] A further improvement is that a rotating motor is provided at the bottom of the platform, and the output end of the rotating motor is connected to the turntable, and a ball bearing is provided at the edge of the bottom of the turntable.

[0008] A further improvement is that a threaded screw is rotatably installed at the middle position of the top of the turntable through a bearing seat, and a servo motor is provided at one end of the turntable, the output end of the servo motor is connected to the threaded screw, and a nut block adapted to the threaded screw is provided at the bottom of the shell.

[0009] Further improvements are: a pneumatic cylinder is provided on the base, and the output end of the pneumatic cylinder is connected to the connecting rod at the lower inner side of the cross arm, the upper and lower ends of the right side of the cross arm are respectively hingedly mounted to the bottom of the platform and the top of the base, and a guide wheel is provided at the lower end of the left side of the cross arm, a guide groove matching the guide wheel is provided on the base, the left sides of the front and rear ends of the platform are provided with slide grooves, and the upper end of the left side of the cross arm is movably mounted on the slide groove.

[0010] A further improvement is that universal wheels are provided at the four corners of the bottom of the base, and brake valve plates are provided on the universal wheels.

[0011] A lifting type mixed fuel boiler combustion process, characterized by the following steps:

[0012] Step 1: For boilers using oil and gas fuel, first close the solenoid valve, seal the hopper, and connect the oil and gas fuel using the oil and gas connector;

[0013] Step 2: Move the liftable mixed fuel boiler burner to the specified range of the boiler through the universal wheels on the base, and brake the universal wheels to fix the position of the base;

[0014] Step 3: Adjust the height of the combustion assembly by the cross arm;

[0015] Step 4: Drive the combustion assembly to move along the slide rail by rotating the threaded screw to change the fire supply distance;

[0016] Step 5: The rotating motor drives the turntable to rotate to change the fire supply direction of the combustion component;

[0017] Step 6: For boilers using biomass fuel, first open the solenoid valve, close the oil and gas joints, connect the biomass fuel through the hopper and feed pipe, and then repeat steps 2-5 to adjust the relative position of the combustion assembly and the boiler.

[0018] The beneficial effects of the present invention are as follows: the present invention can change the height of the combustion assembly, the fire supply distance and the fire supply direction, so as to be convenient for adapting to boilers using different fuels and having a wide range of applications; moreover, a fire collecting hood is provided at the front end of the flame spray head, so as to be convenient for gathering the heat at the fire supply end, and the up and down inclination angles of the fire collecting hood can be fine-tuned through the hinge shaft to fine-tune the firepower range; at the same time, when the electromagnetic valve is closed, the oil and gas connector can be used to connect to the oil and gas fuel, and the electromagnetic valve can be opened to connect to the biomass fuel through the hopper and the feeding pipe, so as to take into account the environmental protection performance and be suitable for boilers using different fuels. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view of the present invention;

[0020] Figure 2 It is a structural diagram of the combustion assembly of the present invention;

[0021] Figure 3 It is a schematic side view of the cross arm frame of the present invention;

[0022] Figure 4 It is a schematic diagram of the top of the turntable of the present invention;

[0023] Figure 5 It is a schematic diagram of a fire collecting hood of the present invention.

[0024] Among them: 1. Base; 2. Cross arm; 3. Platform; 4. Turntable; 5. Slide rail; 6. Combustion assembly; 7. Shell; 8. Flame head; 9. Feed pipe; 10. Hopper; 11. Fuel guide tube; 12. Ignition needle; 13. Screw shaft; 14. Solenoid valve; 15. Oil and gas joint; 16. Air compressor; 17. Bellows; 18. Filter; 19. Fire hood; 20. Hole; 21. Articulated shaft; 22. Rotating motor; 23. Threaded screw; 24. Servo motor; 25. Pneumatic cylinder; 26. Guide wheel; 27. Slideway. DETAILED DESCRIPTION

[0025] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with examples. The examples are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.

[0026] according to Figure 1 , 2, 3, 4, and 5, the present embodiment provides a lifting type mixed fuel boiler burner, comprising a base 1, a cross arm 2 is installed above the base 1, and a platform 3 is arranged above the cross arm 2, a turntable 4 is rotatably installed on the top of the platform 3, and a slide rail 5 is arranged above the turntable 4, a combustion assembly 6 is movably installed on the slide rail 5, and the combustion assembly 6 comprises a shell 7 and a flame head 8, a feed pipe 9 is arranged above the inside of the shell 7, and a hopper 10 is connected to one side above the feed pipe 9, a fuel conduit 11 is arranged inside the flame head 8, and one side of the fuel conduit 11 is connected to the feed pipe 9, and a fuel conduit 11 is arranged inside the flame head 8. An ignition needle 12 is provided on the side of the shell 7, and the other side of the fuel conduit 11 is connected to the feeding pipe 9. The feeding pipe 9 is provided with a spiral shaft 13 and driven to rotate by a driving motor. The connection between the fuel conduit 11 and the feeding pipe 9 is provided with an electromagnetic valve 14. An oil and gas joint 15 is provided on one side of the upper end of the shell 7, and the oil and gas joint 15 is connected to the fuel conduit 11. A wind compressor 16 is provided below the shell 7, and the input end of the wind compressor 16 is connected to the outside of the shell 7. The output end of the wind compressor 16 is connected to a bellows 17, and the bellows 17 is connected to the fuel conduit 11. When in use, first select the fuel, that is, you can close the electromagnetic valve 14, use the oil and gas joint 15 to connect the oil and gas fuel, or open the electromagnetic valve 14, add biomass fuel to the hopper 10, and send it into the fuel conduit 11 through the feeding pipe 9, and then you start the wind compressor 16, and send the fuel mixed air to the ignition needle 12 after filtering through the bellows 17, and ignite it to supply heat to the boiler.

[0027] A filter screen 18 is provided above the interior of the wind box 17, and two groups of filter screens 18 are provided to facilitate filtering the air provided by the air compressor 16 and improve the subsequent combustion effect.

[0028] The output end of the flame spray head 8 is equipped with a fire collecting cover 19, and the fire collecting cover 19 is funnel-shaped, and a plurality of holes 20 are arranged on the side wall of the fire collecting cover 19. One end of the fire collecting cover 19 is rotatably mounted with the flame spray head 8 through a hinge shaft 21. It is convenient to gather the heat at the fire supply end, and the up and down tilt angles of the fire collecting cover 19 can be fine-tuned through the hinge shaft 21, so as to fine-tune the range of fire power.

[0029] A rotating motor 22 is provided at the bottom of the platform 3, the model of the rotating motor 22 is Y90S-2, and the output end of the rotating motor 22 is connected to the rotating disk 4, and a ball bearing is provided at the edge of the bottom of the rotating disk 4. The rotating motor 22 drives the rotating disk 4 to rotate, so as to change the fire supply direction of the combustion assembly 6.

[0030] A threaded screw 23 is rotatably mounted at the middle position of the top of the turntable 4 through a bearing seat, and a servo motor 24 is provided at one end of the turntable 4. The model of the servo motor 24 is PDH160312. The output end of the servo motor 24 is connected to the threaded screw 23. A nut block adapted to the threaded screw 23 is provided at the bottom of the housing 7. The servo motor 24 drives the threaded screw 23 to rotate, which can drive the combustion assembly 6 to move along the slide rail 5, so as to change the fire supply distance.

[0031] The base 1 is provided with a pneumatic cylinder 25, and the output end of the pneumatic cylinder 25 is connected to the connecting rod at the lower inner side of the cross arm 2. The upper and lower ends of the right side of the cross arm 2 are respectively hingedly installed at the lower side of the platform 3 and the upper side of the base 1, and the lower end of the left side of the cross arm 2 is provided with a guide wheel 26. The base 1 is provided with a guide groove adapted to the guide wheel 26. The left sides of the front and rear ends of the platform 3 are provided with a slide groove 27, and the upper end of the left side of the cross arm 2 is movably installed with the slide groove 27. The height of the combustion assembly 6 can be changed by lifting the cross arm 2 with the pneumatic cylinder.

[0032] Universal wheels are arranged at the four corners of the bottom of the base 1, and brake valve plates are arranged on the universal wheels. The universal wheels facilitate the movement of the device.

[0033] A lifting type mixed fuel boiler combustion process, characterized by the following steps:

[0034] Step 1: For a boiler using oil and gas fuel, first close the electromagnetic valve 14, seal the hopper 10, and connect the oil and gas fuel through the oil and gas connector 15;

[0035] Step 2: Move the liftable mixed fuel boiler burner to the specified range of the boiler through the universal wheels of the base 1, and brake the universal wheels to fix the position of the base 1;

[0036] Step 3: Adjust the height of the combustion assembly 6 through the cross arm 2;

[0037] Step 4: driving the combustion assembly 6 to move along the slide rail 5 by rotating the threaded screw 23 to change the fire supply distance;

[0038] Step 5: The rotating motor 22 drives the turntable 4 to rotate to change the fire supply direction of the combustion assembly 6;

[0039] Step 6: For a boiler using biomass fuel, first open the electromagnetic valve 14, close the oil and gas joint 15, connect the biomass fuel through the hopper 10 and the feed pipe 9, and then repeat steps 2-5 to adjust the relative position of the combustion assembly and the boiler.

[0040] The boiler burner can change the height, fire supply distance and fire supply direction of the combustion component 6, so as to be suitable for different boilers, has a wide range of applications and saves costs. A fire collecting hood 19 is provided at the front end of the flamethrower head 8 to gather the heat at the fire supply end. The up and down inclination angles of the fire collecting hood 19 can also be fine-tuned through the hinge shaft 21 to fine-tune the firepower range. At the same time, it can be connected to oil and gas fuels as well as biomass fuels, taking into account environmental protection performance.

[0041] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A liftable mixed fuel boiler burner, comprising a base (1), characterized in that: A cross arm (2) is installed above the base (1), and a platform (3) is provided above the cross arm (2). A turntable (4) is rotatably installed on the top of the platform (3), and a slide rail (5) is provided above the turntable (4). A combustion assembly (6) is movably installed on the slide rail (5), and the combustion assembly (6) includes a shell (7) and a flame spray head (8). A feed pipe (9) is provided above the inside of the shell (7), and a hopper (10) is connected to one side of the feed pipe (9). A fuel conduit (11) is provided inside the flame spray head (8), and an ignition needle (12) is provided on one side of the fuel conduit (11). The other side of the fuel conduit (11) is connected to the feed pipe (9). A spiral shaft (13) is provided in the feed pipe (9) and is driven to rotate by a drive motor. A solenoid valve (14) is provided at the connection point between the fuel conduit (11) and the feed pipe (9). An oil and gas joint (15) is provided on one side of the upper end of the shell (7), and the oil and gas joint (15) is connected to the fuel conduit (11). A wind compressor (16) is provided at the lower part of the shell (7), and the input end of the wind compressor (16) is connected to the outside of the shell (7). The output end of the wind compressor (16) is connected to a bellows (17). A filter screen (18) is provided at the upper part of the bellows (17), and at least two groups of the filter screens (18) are provided. The bellows (17) is connected to the fuel conduit (11). A rotating motor (22) is provided at the bottom of the platform (3), and the output end of the rotating motor (22) is connected to the turntable (4), a ball bearing is provided at the edge of the bottom of the turntable (4), a threaded screw (23) is rotatably mounted at the middle position of the top of the turntable (4) through a bearing seat, and a servo motor (24) is provided at one end of the turntable (4), the output end of the servo motor (24) is connected to the threaded screw (23), and a nut block adapted to the threaded screw (23) is provided at the bottom of the housing (7).

2. A lifting type mixed fuel boiler burner according to claim 1, characterized in that: A fire collecting hood (19) is installed at the output end of the flame spray head (8), and the fire collecting hood (19) is funnel-shaped. A plurality of hollow holes (20) are provided on the side wall of the fire collecting hood (19). One end of the fire collecting hood (19) is rotatably installed with the flame spray head (8) via a hinge shaft (21).

3. The liftable mixed fuel boiler burner according to claim 1, characterized in that: The base (1) is provided with a pneumatic cylinder (25), and the output end of the pneumatic cylinder (25) is connected to the connecting rod at the lower inner side of the cross arm (2). The upper and lower ends of the right side of the cross arm (2) are respectively hingedly mounted to the lower side of the platform (3) and the upper side of the base (1). A guide wheel (26) is provided at the lower end of the left side of the cross arm (2). A guide groove matched with the guide wheel (26) is provided on the base (1). The left sides of the front and rear ends of the platform (3) are both provided with slide grooves (27). The upper end of the left side of the cross arm (2) is movably mounted with the slide groove (27).

4. The liftable mixed fuel boiler burner according to claim 1, characterized in that: Universal wheels are provided at the four corners of the bottom of the base (1), and brake valve plates are provided on the universal wheels.

5. A lifting type mixed fuel boiler combustion process, comprising a boiler burner as claimed in any one of claims 1 to 4, characterized in that: Follow these steps: Step 1: For a boiler using oil and gas fuel, first close the electromagnetic valve (14), seal the hopper (10), and connect the oil and gas fuel using the oil and gas connector (15); Step 2: Using the universal wheels of the base (1), move the liftable mixed fuel boiler burner to a designated range of the boiler, and brake the universal wheels to fix the position of the base (1); Step 3: adjusting the height of the combustion assembly (6) by means of the cross arm (2); Step 1: driving the combustion assembly (6) to move along the slide rail (5) by rotating the threaded screw (23) to change the fire supply distance; Step 4: driving the rotating disk (4) to rotate by the rotating motor (22) to change the fire supply direction of the combustion assembly (6); Step 5: For a boiler using biomass fuel, first open the electromagnetic valve (14), close the oil and gas joint (15), connect the biomass fuel through the hopper (10) and the feed pipe (9), and then repeat steps 2-5 to adjust the relative position of the combustion component and the boiler.

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