One-way air supply structure applied to combustion equipment

Abstract

The utility model discloses a one-way air supply structure applied to combustion equipment, which comprises a port and a one-way plate which are arranged on a combustion chamber partition plate, the one-way plate is formed by connecting a first bending part and a second bending part, the angle between the first bending part and the second bending part is less than 90 degrees, and the angle between the first bending part and the second bending part is less than 90 degrees. The joint of the first bending part and the second bending part is rotationally arranged with the through hole, and the weight of the first bending part is greater than that of the second bending part. The device has the advantages that air supply of the air blower is not affected, a pure mechanical structure is used, and hot air and water vapor in the drying tunnel are prevented from flowing back to an electric combustion area.

Description

Technical Field

[0001] The utility model relates to the technical field of combustion equipment, in particular to a one-way air supply structure applied to combustion equipment. Background Art

[0002] A burner is a general term for a device that sprays and mixes fuel and air for combustion. Burners are classified into industrial burners, combustion machines, domestic burners, and special burners according to types and application fields. The function of a burner is to atomize a sample through flame combustion: the atomized test solution enters the burner, and under the action of the flame temperature and flame atmosphere, through processes such as drying, melting, evaporation, and dissociation, a large number of ground-state atoms, as well as some excited-state atoms, ions, and molecules are generated.

[0003] Among them, for a small burner used in conjunction with a radiation pipeline, the outlet of the burner is connected to a radiation pipeline more than 12 meters long. After the burner fully burns natural gas, it emits infrared radiation waves outward through the radiation pipeline to heat the surface layer of the workpiece.

[0004] The entire radiation pipeline is inside the drying oven, and the small burner is located outside the drying oven. When the drying oven stops operating, the hot air and moisture inside the drying oven will flow back into the small burner equipment along the radiation pipeline, causing condensate to condense inside the burner, and then damaging the electrical components. Currently, common solutions to prevent hot air from flowing back into the burner include adding a one-way valve and completely isolating the burner control system from the combustion area, but the actual measured effects have not met the expectations.

[0005] Therefore, it is necessary to propose a one-way air supply structure applied to combustion equipment, which uses a pure mechanical structure to prevent the hot air and water vapor in the drying oven from flowing back to the electrical combustion area while not affecting the air supply of the blower. Summary of the Utility Model

[0006] The purpose of the utility model is to overcome the deficiencies of the prior art and propose a one-way air supply structure applied to combustion equipment, which uses a pure mechanical structure to prevent the hot air and water vapor in the drying oven from flowing back to the electrical combustion area while not affecting the air supply of the blower.

[0007] The purpose of the utility model is achieved by the following technical solutions: A one-way air supply structure applied to combustion equipment includes a through opening and a one-way plate opened on the combustion chamber partition. The one-way plate is connected by a first bent portion and a second bent portion. The angle between the first bent portion and the second bent portion is less than 90 degrees. The connection between the first bent portion and the second bent portion is rotatably arranged with the through opening, and the weight of the first bent portion is greater than the weight of the second bent portion.

[0008] A rotating shaft is arranged at the connection between the first bent portion and the second bent portion, and the rotating shaft is rotatably connected to both sides of the through opening.

[0009] On both sides of the through port, there are limit plates which are slidably and sealingly connected to the one-way plate.

[0010] The limit plates are provided with fish-eye bolt holes, and fish-eye bolts are arranged at both ends of the one-way plate, and the fish-eye bolts are installed at the fish-eye bolt holes.

[0011] The limit plates are provided with positioning holes.

[0012] The fish-eye bolt is hollow inside and open at one end. Inside the fish-eye bolt, there are a base block and a pressing block. A return spring connected to both of them at both ends is arranged between the base block and the pressing block. The pressing block is located between the base block and the opening. The pressing block moves closer to or farther away from the opening. On the inner wall of the opening of the fish-eye bolt, there is a step. A through port and a notch are opened at the step. The notch is located on the side of the step close to the pressing block.

[0013] The beneficial effects of the present utility model are as follows: When the centrifugal fan starts during normal operation, the one-way plate is blown open under the action of wind, and the equipment supplies air normally; when the equipment is on standby, the one-way plate completely adheres to the partition under the action of gravity, isolating the component area from the combustion area, and avoiding the return of hot air and damaging the internal components of the burner. Description of the Drawings

[0014] Figure 1 It is a schematic diagram of Embodiment 1 of the present utility model;

[0015] Figure 2 For Figure 1 the enlarged view of A in

[0016] Figure 3 It is a schematic diagram of the limit plate of Embodiment 1 of the present utility model;

[0017] Figure 4 It is a schematic diagram of the clamping block of Embodiment 2 of the present utility model;

[0018] Figure 5 It is a schematic diagram of the inside of the fish-eye bolt of Embodiment 2 of the present utility model

[0019] In the figure, 1, combustion equipment; 11, blower; 12, component area; 13, combustion area; 14, partition; 2 one-way plate; 21, first bending part; 22, second bending part; 3, through port; 4, rotating shaft; 41, fish-eye bolt; 5, limit plate; 51, fish-eye bolt hole; 52, positioning hole; 61, base block; 62, pressing block; 63, return spring; 64, step; 65, through port; 66, notch; 67, clamping block. Detailed Embodiments

[0020] The technical solution of the present utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative efforts belong to the scope of protection of the present utility model.

[0021] It should be noted here that the orientation concepts of "left", "right", "up", "down", "front", "back", "inside", and "outside" in the following solutions are all relative directions, and will not be listed one by one here.

[0022] Refer to Figure 1 , a partition 14 is provided inside the combustion device 1. The partition 14 divides the interior of the combustion device 1 into an element area 12 and a combustion area 13. The combustion area 13 is located on the left side of the element area 12. A blower 11 is provided inside the element area 12.

[0023] A one-way air supply structure applied to a combustion device, refer to Figure 2 and Figure 3 , including a through hole 3 opened on the partition 14. Limit plates 5 are provided at both ends of the through hole 3 close to the combustion area 13. A positioning hole 52 is opened on the limit plate 5. The positioning bolt is installed on the partition 14 through the positioning hole 52 to realize the installation of the limit plate 5. Fish-eye bolt holes 51 are opened on both limit plates 5. A one-way plate 2 is rotatably provided between the two limit plates 5.

[0024] The one-way plate 2 is formed by connecting a first bent portion 21 and a second bent portion 22. The first bent portion 21 is located between the second bent portion 22 and the combustion area 13. The weight of the first bent portion 21 is greater than the weight of the second bent portion 22. Both the first bent portion 21 and the second bent portion 22 are in sliding and sealing contact with the one-way plate 2. A rotating shaft 4 is provided at the connection of the first bent portion 21 and the second bent portion 22. Fish-eye bolts 41 are provided at both ends of the rotating shaft 4. The fish-eye bolts 41 are rotatably installed at the fish-eye bolt holes 51.

[0025] When the blower 11 supplies air normally, the wind direction is from the element area 12 to the combustion area 13. At this time, the wind force pushes the one-way plate 2 open, and the one-way plate 2 makes a clockwise movement, and the through hole 3 is opened, and the generated wind flows from the through hole 3 to the combustion area 13. When the device is on standby, since the weight of the first bent portion 21 is greater than the weight of the second bent portion 22, the one-way plate 2 makes a counterclockwise movement under the action of gravity, so as to cooperate with the limit plate 5 to seal the through hole 3, and the hot air at the combustion area 13 cannot enter the element area 12 through the through hole 3.

[0026] As a further improvement of the present utility model, according to the above cases, further extensions can be made to provide a variety of new embodiments.

[0027] As the second embodiment of the present utility model, on the basis of Embodiment 1, referring to Figure 4 and Figure 5 , clamping blocks 67 are arranged at both ends of the rotating shaft 4. One end of the fish-eye bolt 41 is open and hollow inside. An annular step 64 is arranged on the inner wall of the opening of the fish-eye bolt 41. A through hole 65 and a notch 66 that match the clamping block 67 are provided on the step 64. The notch 66 is located on the side of the step 64 away from the opening. A base block 61 is arranged inside the fish-eye bolt 41. A return spring 63 is arranged on the side of the base block 61 close to the opening. A pressing block 62 is arranged at the end of the return spring 63.

[0028] Install the fish-eye bolt 41 at the end of the rotating shaft 4. The clamping block 67 enters the inside of the fish-eye bolt 41 through the through hole 65, and the return spring 63 is compressed. Rotate the fish-eye bolt 41 to align the clamping block 67 with the notch 66, and the return spring 63 resumes its original state, pushing the clamping block 67 into the notch 66, so that the fish-eye bolt 41 is fixedly connected to the rotating shaft 4.

[0029] The above are only the preferred embodiments of the present utility model. It should be understood that the present utility model is not limited to the form disclosed herein, should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be changed within the scope of the concept described herein through the above description or the technology or knowledge in the relevant field. And any changes and modifications made by those skilled in the art without departing from the spirit and scope of the present utility model shall fall within the protection scope of the appended claims of the present utility model.

Claims

1. A unidirectional air supply structure applied to a combustion device, characterized in that, It includes an opening formed in the combustion chamber partition plate and a one-way plate. The one-way plate is formed by connecting a first bent portion and a second bent portion. The angle between the first bent portion and the second bent portion is less than 90 degrees. The connection between the first bent portion and the second bent portion is rotatably arranged with respect to the opening. The weight of the first bent portion is greater than that of the second bent portion.

2. The one-way air supply structure applied to a combustion device according to claim 1, characterized in that: A rotating shaft is arranged at the connection between the first bent portion and the second bent portion. The rotating shaft is rotatably connected to both sides of the opening.

3. The one-way air supply structure applied to a combustion device according to claim 1, characterized in that: Limiting plates are arranged on both sides of the opening. The limiting plates are slidably and sealingly connected to the one-way plate.

4. The one-way air supply structure applied to a combustion device according to claim 3, characterized in that: Eye bolt hole positions are arranged on the limiting plates. Eye bolts are arranged at both ends of the one-way plate. The eye bolts are installed at the eye bolt hole positions.

5. The one-way air supply structure applied to a combustion device according to claim 3, characterized in that: Positioning holes are formed in the limiting plates.

6. The unidirectional air supply structure applied to a combustion device according to claim 4, characterized in that: The eye bolt is hollow inside and has an opening at one end. A base block and a pressing block are arranged inside the eye bolt. A return spring with both ends connected to the two is arranged between the base block and the pressing block. The pressing block is located between the base block and the opening. The pressing block moves closer to or away from the opening. A step is arranged on the inner wall of the opening of the eye bolt. A through hole and a notch are formed at the step. The notch is located on the side of the step closer to the pressing block.

Images