Fully premixed combustion fire grate combustor

Abstract

The utility model discloses a full premixed combustion fire grate burner, which belongs to the technical field of burners and comprises a fire grate frame, a fire grate body is arranged at the top of the fire grate frame, rectangular grooves are formed in the left side and the right side of the fire grate frame, limiting rods are fixedly connected with inner cavities of the rectangular grooves, movable plates are movably sleeved on the outer sides of the limiting rods, and the movable plates are fixedly connected with the inner cavities of the rectangular grooves. The tops of the sides, away from each other, of the movable plates are fixedly connected with pull blocks, the bottoms of the corresponding sides of the movable plates are fixedly connected with positioning blocks, pull rods are arranged on the left side and the right side of the top of the fire grate frame, and the bottoms of the pull rods extend into an inner cavity of the rectangular groove and are fixedly connected with transverse plates. According to the utility model, the fire grate body can be conveniently disassembled and maintained, the service life of the fire grate body is prolonged, the economic loss is reduced, the sealing effect between the fan and the external gas pipeline is also improved, the gas leakage is avoided, and the harm to a user is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of burners, in particular to a full premixed combustion fire row burner. Background Art

[0002] The fire grate burner is composed of a fan, a fire grate, a fire grate frame on which the fire grate is installed, and a connecting pipe for providing gas to the fire grate. The connecting pipe is connected to the gas through an air inlet pipe.

[0003] The patent document with the publication number CN219756366U discloses a full premixed combustion fire grate burner, including a bellows, the peripheral side of the bellows is respectively fixedly connected with a three-way pipe and a mixed gas exhaust pipe, one end of the mixed gas exhaust pipe outlet is fixedly connected with a fire grate body, the inside of the bellows is rotatably connected with a flow-aiding cylinder driven by a motor, the inner wall of the flow-aiding cylinder is fixedly installed with a group of blasting blades distributed in a circumferential array, the inside of the flow-aiding cylinder and the position corresponding to the two blasting blades are provided with a mixing chamber, each mixing chamber is fixedly installed with an agitation module, and the inner wall of the bellows is fixedly installed with a fixed gear ring connected to the agitation module. The utility model effectively improves the mixing intensity and mixing efficiency of the inner and outer agitators for air and gas by setting the inner agitator shaft and the outer agitator pipe in the agitator module in a coaxial reverse rotation state.

[0004] The fire grate and the fire grate frame of the device in the above technical solution are integrated. When the fire grate fails, it is not convenient to disassemble and repair the fire grate, which increases the subsequent use cost. In addition, the sealing between the fire grate and the external gas inlet pipeline is poor, which easily leads to gas leakage and is dangerous. Therefore, we propose a full premixed combustion fire grate burner to solve this problem. Utility Model Content

[0005] The purpose of the utility model is to provide a full premixed combustion fire row burner to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A full premixed combustion fire grate burner comprises a fire grate frame, a fire grate body is arranged on the top of the fire grate frame, rectangular grooves are opened on the left and right sides of the fire grate frame, the inner cavity of the rectangular groove is fixedly connected to a limit rod, the outer movable sleeve of the limit rod is provided with a movable plate, the top of the movable plate away from the side is fixedly connected to a pull block, the bottom of the corresponding side of the movable plate is fixedly connected to a positioning block, pull rods are arranged on the left and right sides of the top of the fire grate frame, the bottom of the pull rods extends to the inner cavity of the rectangular groove and is fixedly connected to a cross plate, and limit blocks are fixedly installed on the front and back sides of the bottom of the cross plate, the right side of the fire grate frame is fixedly connected to a fan, the right side of the fan is fixedly connected to a first pipeline, the right side of the outer side of the first pipeline is screwed with a threaded sleeve, and the right side of the inner cavity of the threaded sleeve is screwed with an external gas pipeline.

[0008] Preferably, the bottom of the fire row body extends to the interior of the fire row frame, the corresponding sides of the positioning block extend to the interior of the fire row body, the bottom of the limit block extends to the interior of the positioning block, the top of the cross plate is fixedly connected with a first spring, the top of the first spring is fixedly connected to the top of the inner cavity of the rectangular groove, and the first spring is movably sleeved on the outside of the pull rod.

[0009] Preferably, a second spring is fixedly connected to the side of the movable plate away from the movable plate, one side of the second spring is fixedly connected to the inner wall of the rectangular groove, and the second spring is movably sleeved on the outer side of the limiting rod.

[0010] Preferably, a plug rod is fixedly connected to the right side of the first pipeline, the number of the plug rods is four groups, and the plug rods are distributed in a circular array, the right side of the plug rod extends to the inside of the external gas pipeline, and the left side of the external gas pipeline is provided with a slot adapted to the plug rod.

[0011] Preferably, rectangular holes matching with the pull blocks are provided on both left and right sides of the top of the fire rack.

[0012] Preferably, a sealing gasket is provided on the outer movable sleeve of the insertion rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, by pulling the pull rod upward, the pull rod drives the horizontal plate to move upward, and the horizontal plate drives the limit block to move upward and compresses the first spring at the same time, so that the limit block is away from the positioning block, and then the pull block is pulled outward, and the pull block drives the positioning blocks to move away from each other through the moving plate and compresses the second spring at the same time, so that the positioning block is away from the fire grate body, and then the fire grate body is moved upward, which can facilitate the disassembly and maintenance of the fire grate body, extend the service life of the fire grate body, and reduce economic losses.

[0015] 2. In the utility model, by rotating the threaded sleeve forward, the threaded sleeve drives the external gas pipeline that is threadedly connected to move to the left side, so that the right side of the insertion rod is inserted into the slot on the left side of the external gas pipeline, and at the same time, the sealing gasket is squeezed, thereby improving the sealing effect between the fan and the external gas pipeline, avoiding gas leakage, and reducing harm to users. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of a full premixed combustion fire row burner proposed by the utility model;

[0017] Figure 2 This is a cross-sectional structural schematic diagram of a full premixed combustion fire row burner proposed by the utility model;

[0018] Figure 3 This is a partial structural schematic diagram of a full premixed combustion fire row burner proposed by the utility model;

[0019] Figure 4 for Figure 2 A partial enlarged view of part A.

[0020] In the figure: 1. fire row frame; 2. fire row body; 3. fan; 4. rectangular groove; 5. limit rod; 6. movable plate; 7. positioning block; 8. pull block; 9. pull rod; 10. cross plate; 11. first spring; 12. second spring; 13. first pipeline; 14. threaded sleeve; 15. plug rod; 16. external gas pipeline; 17. sealing gasket; 18. limit block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-4 A full premixed combustion fire row burner comprises a fire row frame 1, a fire row body 2 is arranged on the top of the fire row frame 1, rectangular grooves 4 are opened on the left and right sides of the fire row frame 1, the inner cavity of the rectangular groove 4 is fixedly connected with a limit rod 5, the outer movable sleeve of the limit rod 5 is provided with a movable plate 6, the top of the movable plate 6 away from the side is fixedly connected with a pull block 8, the bottom of the corresponding side of the movable plate 6 is fixedly connected with a positioning block 7, pull rods 9 are arranged on the left and right sides of the top of the fire row frame 1, the bottom of the pull rod 9 extends to the inner cavity of the rectangular groove 4 and is fixedly connected with a cross plate 10, and the front and rear sides of the bottom of the cross plate 10 are fixedly installed with limit blocks 18, the right side of the fire row frame 1 is fixedly connected with a fan 3, the right side of the fan 3 is fixedly connected with a first pipeline 13, the right side of the outer side of the first pipeline 13 is screwed with a threaded sleeve 14, and the right side of the inner cavity of the threaded sleeve 14 is screwed with an external gas pipeline 16.

[0023] In this embodiment, the bottom of the fire row body 2 extends to the interior of the fire row frame 1, and the corresponding side of the positioning block 7 extends to the interior of the fire row body 2. The bottom of the limit block 18 extends to the interior of the positioning block 7. The top of the cross plate 10 is fixedly connected with the first spring 11, and the top of the first spring 11 is fixedly connected to the top of the inner cavity of the rectangular groove 4. The first spring 11 is movably sleeved on the outside of the pull rod 9, and the side away from the movable plate 6 is fixedly connected with the second spring 12, and one side of the second spring 12 is fixedly connected to the inner wall of the rectangular groove 4. The second spring 12 is movably sleeved on the outside of the limit rod 5. Through the limit rod 5, the movable plate 6 can be limited, thereby improving the stability of the left and right movement of the movable plate 6.

[0024] In this embodiment, a plug rod 15 is fixedly connected to the right side of the first pipeline 13. The number of the plug rods 15 is four groups and distributed in a circular array. The right side of the plug rod 15 extends to the inside of the external gas pipeline 16. A slot compatible with the plug rod 15 is provided on the left side of the external gas pipeline 16. Rectangular holes compatible with the pull block 8 are provided on the left and right sides of the top of the fire rack 1. A sealing gasket 17 is provided on the outer movable sleeve of the plug rod 15. The sealing gasket 17 improves the sealing effect between the first pipeline 13 and the external gas pipeline 16.

[0025] In the present embodiment, when in use, by pulling the pull rod 9 upward, the pull rod 9 drives the cross plate 10 to move upward, and the cross plate 10 drives the limit block 18 to move upward while compressing the first spring 11, so that the limit block 18 is away from the positioning block 7, and then the pull block 8 is pulled outward, and the pull block 8 drives the positioning blocks 7 to move away from each other through the movable plate 6 while compressing the second spring 12, so that the positioning block 7 is away from the fire bar body 2, and then the fire bar body 2 is moved upward, which can facilitate the disassembly and maintenance of the fire bar body 2, and by rotating the threaded sleeve 14 forward, the threaded sleeve 14 drives the external gas pipeline 16 that is screwed to move to the left side, so that the right side of the plug rod 15 is inserted into the slot on the left side of the external gas pipeline 16, and at the same time squeezes the sealing gasket 17, thereby improving the sealing effect between the fan 3 and the external gas pipeline 16.

[0026] The above is a detailed introduction to a full premixed combustion fire grate burner provided by the utility model. This article uses specific embodiments to explain the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A full premixed combustion fire row burner, comprising a fire row frame (1), characterized in that: A fire row body (2) is arranged on the top of the fire row rack (1), and rectangular grooves (4) are provided on the left and right sides of the fire row rack (1). A limit rod (5) is fixedly connected to the inner cavity of the rectangular groove (4), and a movable plate (6) is movably sleeved on the outer side of the limit rod (5). A pull block (8) is fixedly connected to the top of the movable plate (6) on the side away from the movable plate (6), and a positioning block (7) is fixedly connected to the bottom of the corresponding side of the movable plate (6). Pull blocks are provided on the left and right sides of the top of the fire row rack (1). Rod (9), the bottom of the pull rod (9) extends to the inner cavity of the rectangular groove (4) and is fixedly connected to a transverse plate (10), the front and rear sides of the bottom of the transverse plate (10) are fixedly installed with limit blocks (18), the right side of the fire row frame (1) is fixedly connected to a fan (3), the right side of the fan (3) is fixedly connected to a first pipeline (13), the right side of the outer side of the first pipeline (13) is screwed with a threaded sleeve (14), and the right side of the inner cavity of the threaded sleeve (14) is screwed with an external gas pipeline (16).

2. A full premixed combustion fire-gear burner according to claim 1, characterized in that: The bottom of the fire row body (2) extends to the interior of the fire row frame (1), the corresponding side of the positioning block (7) extends to the interior of the fire row body (2), the bottom of the limit block (18) extends to the interior of the positioning block (7), the top of the cross plate (10) is fixedly connected to the first spring (11), the top of the first spring (11) is fixedly connected to the top of the inner cavity of the rectangular groove (4), and the first spring (11) is movably sleeved on the outside of the pull rod (9).

3. A full premixed combustion fire-gear burner according to claim 1, characterized in that: A second spring (12) is fixedly connected to the side of the movable plate (6) that is away from the movable plate, one side of the second spring (12) is fixedly connected to the inner wall of the rectangular groove (4), and the second spring (12) is movably sleeved on the outer side of the limiting rod (5).

4. A full premixed combustion fire-gear burner according to claim 1, characterized in that: The right side of the first pipeline (13) is fixedly connected with an insertion rod (15), the number of the insertion rods (15) is four groups, and they are distributed in a ring array, the right side of the insertion rod (15) extends to the inside of the external gas pipeline (16), and the left side of the external gas pipeline (16) is provided with a slot adapted to the insertion rod (15).

5. The full premixed combustion fire-gear burner according to claim 1, characterized in that: Rectangular holes matching the pull blocks (8) are provided on both left and right sides of the top of the fire rack (1).

6. A full premixed combustion fire-gear burner according to claim 4, characterized in that: The outer movable sleeve of the insert rod (15) is provided with a sealing gasket (17).

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