Premixing type heat storage combustion device

Abstract

The utility model discloses a premixing type heat storage combustion device, which relates to the technical field of heat storage combustion, and comprises a base, the upper surface of the base is fixedly connected with a plurality of support rods, the upper ends of the support rods are fixedly connected with a combustion chamber, the lower surface of the combustion chamber is fixedly connected with a premixing chamber, and the premixing chamber is fixedly connected with a heat storage chamber. A mixing mechanism is arranged in the premixing chamber, a first heat storage chamber and a second heat storage chamber are fixedly connected to the two sides of the combustion chamber correspondingly, and heat storage mechanisms are arranged in the first heat storage chamber and the second heat storage chamber correspondingly. Fuel gas and air can be in sufficient contact through the premixing chamber before combustion, so that the fuel gas can be combusted more sufficiently, the combustion efficiency of the fuel gas is greatly improved, when the fuel gas and the air are mixed, the motor is started to enable the rotating rod to rotate, then the stirring blades can be driven to rotate, and the fuel gas and the air are stirred together.

Description

Technical Field

[0001] The utility model relates to the technical field of regenerative combustion, in particular to a premixed regenerative combustion device. Background Art

[0002] CN219328098U, a regenerative combustion device, includes a housing, a combustion chamber, a regenerator, a burner, an exhaust gas inlet pipeline and a chimney. The technical key points are as follows: the housing is cylindrical and a longitudinal smoke guide pipe is provided in the center. The regenerator is composed of an inner regenerator sleeve arranged on the outer wall of the longitudinal smoke guide pipe, an outer regenerator sleeve arranged on the inner wall of the housing, a lower regenerator ring block and an upper regenerator ring block arranged on the bottom and top surfaces of the housing. Each combustion chamber is evenly arranged around the center line of the housing. Adjacent two combustion chambers are separated by a partition plate, and the four sides of the partition plate are connected to the regenerator. A sandwich is provided at the bottom of the housing. The upper end of the longitudinal smoke guide pipe is connected to the chimney, and the lower end is communicated with the sandwich. A ventilation hole communicated with the sandwich is provided on the bottom surface of each combustion chamber, and a sub-inlet pipeline connected to the exhaust gas inlet pipeline is provided on the top surface of each combustion chamber.

[0003] However, when the existing regenerative combustion device is working, the gas and air are not premixed, which will lead to insufficient mixing between the gas and air, thus greatly reducing the combustion efficiency of the gas and causing waste of resources. Summary of the Utility Model

[0004] In view of the problems existing in the above-mentioned existing regenerative combustion device, the present utility model is proposed.

[0005] Therefore, the purpose of the present utility model is to provide a premixed regenerative combustion device, which solves the problem that when the existing regenerative combustion device is working, the gas and air are not premixed, which will lead to insufficient mixing between the gas and air, thus greatly reducing the combustion efficiency of the gas and causing waste of resources.

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

[0007] The premixed regenerative combustion device includes a base. A plurality of support rods are fixedly connected to the upper surface of the base. The upper ends of each support rod are fixedly connected together to form a combustion chamber. The lower surface of the combustion chamber is fixedly connected to a premixing chamber. A mixing mechanism is arranged inside the premixing chamber. First regenerative chambers and second regenerative chambers are fixedly connected to both sides of the combustion chamber respectively. Heat storage mechanisms are arranged inside the first regenerative chamber and the second regenerative chamber respectively. A first pipe body and a second pipe body are fixedly connected between the first regenerative chamber and the second regenerative chamber and the premixing chamber respectively. Third pipe bodies are fixedly connected between the first regenerative chamber and the second regenerative chamber and the combustion chamber respectively.

[0008] Preferably, the mixing mechanism includes a rotating rod, stirring blades and a motor. The rotating rod is rotatably connected to the inside of the premixing chamber. The stirring blades are fixedly sleeved on the rod wall of the rotating rod. The motor is fixedly connected to the lower surface of the premixing chamber. The lower end of the rotating rod penetrates through the lower surface inside the premixing chamber and is fixedly connected to the output end of the motor.

[0009] Preferably, the heat storage mechanism includes a plurality of ceramic heat storage bodies, and each ceramic heat storage body is fixedly connected to the inside of the corresponding first heat storage chamber and second heat storage chamber respectively.

[0010] Preferably, a first air outlet pipe is fixedly connected to the lower surface of the first heat storage chamber, and a first valve is arranged inside the first air outlet pipe.

[0011] Preferably, a second valve is arranged inside the first pipe body.

[0012] Preferably, a third valve is arranged inside the second pipe body.

[0013] Preferably, a second air outlet pipe is fixedly connected to the lower surface of the second heat storage chamber, and a fourth valve is arranged inside the second air outlet pipe.

[0014] Preferably, each of the ceramic heat storage bodies is arranged in a staggered manner.

[0015] Preferably, two through holes are formed in the lower surface of the premixing chamber. A gas pipe is arranged inside one of the through holes, and an air pipe is fixedly connected inside the other through hole.

[0016] Preferably, one end of the air pipe is fixedly connected to an air pump, and the air pump is fixedly connected to the upper surface of the base.

[0017] In the above technical solution, the technical effects and advantages provided by the present utility model are as follows:

[0018] 1. Through the premixing chamber, the gas and air can be fully contacted before combustion, so that the gas can burn more fully, greatly improving the combustion efficiency of the gas. When the gas and air are mixed, the motor is started to make the rotating rod rotate, and then the stirring blades can be driven to rotate, so as to stir the gas and air together.

[0019] 2. Through the staggered ceramic heat storage bodies, the residence time of the flue gas inside the first heat storage chamber and the second heat storage chamber can be prolonged, so as to facilitate the ceramic heat storage bodies to absorb heat. Brief Description of the Drawings

[0020] Figure 1 is a schematic structural diagram of the present utility model;

[0021] Figure 2 is the Figure 1 cross-sectional view of

[0022] Figure 3 It is a schematic enlarged view of part A;

[0023] Figure 4 It is a schematic enlarged view of part B;

[0024] Figure 5 It is a schematic enlarged view of part C.

[0025] Explanation of reference numerals: 1, base; 2, support rod; 3, combustion chamber; 4, premixing chamber; 5, first regenerative chamber; 6, second regenerative chamber; 7, first pipe body; 8, second pipe body; 9, third pipe body; 10, rotating rod; 11, stirring blade; 12, motor; 13, ceramic regenerator; 14, first gas outlet pipe; 15, first valve; 16, second valve; 17, third valve; 18, second gas outlet pipe; 19, fourth valve; 20, gas pipe; 21, air pipe; 22, air pump. Specific implementation mode

[0026] The embodiment of the present utility model discloses a premixed regenerative combustion device.

[0027] Embodiment 1

[0028] Referring to Figures 1-3 , the premixed regenerative combustion device includes a base 1. A plurality of support rods 2 are fixedly connected to the upper surface of the base 1. The upper ends of each support rod 2 are jointly fixedly connected with a combustion chamber 3. The lower surface of the combustion chamber 3 is fixedly connected with a premixing chamber 4. A mixing mechanism is arranged inside the premixing chamber 4. The mixing mechanism includes a rotating rod 10, a stirring blade 11 and a motor 12. The rotating rod 10 is rotatably connected inside the premixing chamber 4. The stirring blade 11 is fixedly sleeved on the rod wall of the rotating rod 10. The motor 12 is fixedly connected to the lower surface of the premixing chamber 4. The lower end of the rotating rod 10 penetrates the lower surface inside the premixing chamber 4 and is fixedly connected to the output end of the motor 12.

[0029] The premixing chamber 4 can make the gas and air fully contact before combustion, so that the gas can burn more fully, greatly improving the combustion efficiency of the gas. When the gas and air are mixed, the motor 12 is started to make the rotating rod 10 rotate, and then the stirring blade 11 can be driven to rotate, so as to stir the gas and air together.

[0030] Referring to Figures 1-5, on both sides of the combustion chamber 3, a first regenerator 5 and a second regenerator 6 are fixedly connected. Heat storage mechanisms are arranged inside both the first regenerator 5 and the second regenerator 6. A first pipe body 7 and a second pipe body 8 are respectively and fixedly connected between the first regenerator 5 and the second regenerator 6 and the premixing chamber 4. A third pipe body 9 is fixedly connected between both the first regenerator 5 and the second regenerator 6 and the combustion chamber 3. The heat storage mechanism includes a plurality of ceramic heat storage bodies 13, and each ceramic heat storage body 13 is respectively and fixedly connected inside the corresponding first regenerator 5 and second regenerator 6.

[0031] Each ceramic heat storage body 13 can absorb the heat in the flue gas generated by combustion, thereby preheating the mixture of gas and air.

[0032] Embodiment Two

[0033] On the basis of Embodiment One, referring to Figures 1-2 , a first air outlet pipe 14 is fixedly connected to the lower surface of the first regenerator 5. A first valve 15 is arranged inside the first air outlet pipe 14. A second valve 16 is arranged inside the first pipe body 7. A third valve 17 is arranged inside the second pipe body 8. A second air outlet pipe 18 is fixedly connected to the lower surface of the second regenerator 6. A fourth valve 19 is arranged inside the second air outlet pipe 18.

[0034] Open the first valve 15 and the third valve 17. At this time, after the gas and air are mixed, they enter the inside of the first regenerator 5 through the second pipe body 7, and then enter the inside of the combustion chamber 3 for combustion. Subsequently, the flue gas generated by combustion is discharged through the first air outlet pipe 14. In this process, the ceramic heat storage body 13 inside the first regenerator 5 can absorb the heat of the flue gas. Then close the first valve 15 and the third valve 17, open the second valve 16 and the fourth valve 19. Subsequently, the gas enters the inside of the first regenerator 5 and is heated by the ceramic heat storage body 13 inside it. Then it is ignited when passing through the inside of the combustion chamber 3. Subsequently, the flue gas generated by combustion is discharged from the second air outlet pipe 18. In this process, the ceramic heat storage body inside the second regenerator 6 absorbs heat. Then repeat the above operations, and the gas can be continuously heated before ignition, so that it can be ignited without requiring higher energy.

[0035] Embodiment Three

[0036] On the basis of Embodiment One, referring to Figure 2 , each ceramic heat storage body 13 is arranged in a staggered manner.

[0037] The staggered arrangement of the ceramic heat storage bodies 13 can increase the residence time of the flue gas inside the first regenerator 5 and the second regenerator 6, thereby facilitating the ceramic heat storage body 13 to absorb heat.

[0038] Embodiment Four

[0039] On the basis of the first embodiment, referring to Figures 1-2 , two through holes are formed in the lower surface of the premixing chamber 4, and a gas pipe 20 is arranged inside one of the through holes, and an air pipe 21 is fixedly connected inside the other through hole.

[0040] The gas can be input into the premixing chamber 4 by using the gas pipe 20, and the air can be input into the premixing chamber 4 by using the air pipe 21.

[0041] The fifth embodiment

[0042] On the basis of the first embodiment, referring to Figures 1-2 , one end of the air pipe 21 is fixedly connected with an air pump 22, and the air pump 22 is fixedly connected to the upper surface of the base 1. The air pump 22 enables air to enter and at the same time enables the gas to flow.

Claims

1. Premixed regenerative combustion device, including a base (1), characterized in that, The upper surface of the base (1) is fixedly connected with a plurality of support rods (2). The upper ends of each of the support rods (2) are fixedly connected with a combustion chamber (3) together. The lower surface of the combustion chamber (3) is fixedly connected with a premixing chamber (4). A mixing mechanism is arranged inside the premixing chamber (4). Both sides of the combustion chamber (3) are fixedly connected with a first regenerative chamber (5) and a second regenerative chamber (6). A regenerative mechanism is arranged inside each of the first regenerative chamber (5) and the second regenerative chamber (6). A first pipe body (7) and a second pipe body (8) are respectively fixedly connected between the first regenerative chamber (5) and the second regenerative chamber (6) and the premixing chamber (4). A third pipe body (9) is fixedly connected between each of the first regenerative chamber (5) and the second regenerative chamber (6) and the combustion chamber (3).

2. The premixed regenerative combustion device according to claim 1, wherein The mixing mechanism includes a rotating rod (10), stirring blades (11) and a motor (12). The rotating rod (10) is rotatably connected inside the premixing chamber (4). The stirring blades (11) are fixedly sleeved on the rod wall of the rotating rod (10). The motor (12) is fixedly connected to the lower surface of the premixing chamber (4). The lower end of the rotating rod (10) penetrates through the lower surface inside the premixing chamber (4) and is fixedly connected to the output end of the motor (12).

3. The premixed regenerative combustion device according to claim 1, characterized in that, The regenerative mechanism includes a plurality of ceramic regenerators (13). Each of the ceramic regenerators (13) is fixedly connected inside the corresponding first regenerative chamber (5) and second regenerative chamber (6).

4. The premixed regenerative combustion device according to claim 1, characterized in that, The lower surface of the first regenerative chamber (5) is fixedly connected with a first gas outlet pipe (14). A first valve (15) is arranged inside the first gas outlet pipe (14).

5. The premixed regenerative combustion device according to claim 1, wherein, A second valve (16) is arranged inside the first pipe body (7).

6. The premixed regenerative combustion device according to claim 1, characterized in that, A third valve (17) is arranged inside the second pipe body (8).

7. The premixed regenerative combustion device according to claim 1, characterized in that, The lower surface of the second regenerative chamber (6) is fixedly connected with a second gas outlet pipe (18). A fourth valve (19) is arranged inside the second gas outlet pipe (18).

8. The premixed regenerative combustion device according to claim 3, wherein Each of the ceramic regenerators (13) is arranged in a staggered manner.

9. The premixed regenerative combustion device according to claim 1, wherein Two through holes are formed in the lower surface of the premixing chamber (4). A gas pipe (20) is arranged inside one of the through holes, and an air pipe (21) is fixedly connected inside the other through hole.

10. The premixed regenerative combustion device according to claim 9, characterized in that, One end of the air pipe (21) is fixedly connected with an air pump (22). The air pump (22) is fixedly connected to the upper surface of the base (1).

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