Heat storage combustion device

Abstract

The heat storage combustion device comprises a combustion chamber for combusting harmful gas; a plurality of beds disposed inside the combustion chamber and having a heat storage member; a gas supply pipe which is connected to the bed and supplies the harmful gas to the bed; an exhaust pipe connected to the bed and discharging combustion gas from the bed; the air supply valve is connected to the air supply pipe; the exhaust valve is connected to the exhaust pipe; and the valve switch unit comprises a driving cylinder, and the driving cylinder is connected to the air supply valve and the exhaust valve so as to open and close the air supply valve and the exhaust valve. A valve and a driving part capable of ensuring air tightness are realized through a simple structure, and furthermore, the valve and the driving part are easy to manufacture and low in manufacturing cost.

Description

Technical Field

[0001] The utility model relates to a heat storage combustion device, in particular to a heat storage combustion device which is realized by a simple structure which can save installation (manufacturing) cost and can ensure the air tightness of a valve. Background Art

[0002] A thermal storage combustion device is a device that burns volatile organic compound gases for removal. The thermal storage combustion device includes a bed composed of thermal storage materials to improve the heat recovery rate. Thermal storage materials are expensive materials and require high installation costs.

[0003] On the other hand, conventional heat storage combustion devices include a combustion chamber and a predetermined number of beds. The predetermined number of beds are arranged inside the combustion chamber. Supply pipes for supplying harmful gases, exhaust pipes for discharging combustion gases, etc. are connected to the predetermined number of beds. The harmful gases supplied from the supply pipes are burned inside the combustion chamber and discharged into the exhaust pipes. According to the prior art, a plurality of valves for controlling the flow in and out of the supply pipes and the exhaust pipes and a plurality of drive units for opening and closing these valves are respectively arranged according to each bed. This makes the structure complicated and increases the manufacturing and installation costs. In addition, there is also the problem of leakage between valves. Utility Model Content

[0004] An object of an embodiment of the present utility model is to provide a heat storage combustion device as a simple structure that can save installation costs and ensure the air tightness of the valve.

[0005] In order to achieve the purpose as stated above, a heat storage combustion device according to one embodiment of the utility model includes: a combustion chamber, which burns harmful gases; a plurality of beds, which are arranged inside the combustion chamber and have a heat storage component; an air supply pipe, which is connected to the bed and supplies harmful gases to the bed; an exhaust pipe, which is connected to the bed and discharges combustion gases from the bed; an air supply valve, which is connected to the air supply pipe; an exhaust valve, which is connected to the exhaust pipe; and a valve switching unit, which includes a driving cylinder, which is connected to the air supply valve and the exhaust valve to switch the air supply valve and the exhaust valve.

[0006] In addition, the driving cylinder includes: a main body; a first rod connected to the main body and the air supply valve and performing linear motion; and a second rod connected to the main body and the exhaust valve and spaced from the first rod.

[0007] In addition, the valve switch unit includes a driving part, which controls the movements of the first rod and the second rod; the driving part independently drives the first rod and the second rod.

[0008] In addition, the regenerative combustion device further comprises a purge gas pipe, which supplies purge gas to the bed.

[0009] In addition, the combustion chamber includes an upper shell and a lower shell, and the upper shell and the lower shell extend along the circumferential direction based on the central axis, or extend into a quadrilateral shape on the plane; multiple beds are arranged in sequence along the circumferential direction based on the central axis.

[0010] In addition, the combustion chamber includes an upper shell and a lower shell extending along one direction; and a plurality of beds are arranged in sequence along one direction.

[0011] In addition, the drive cylinder is arranged between the air supply valve and the exhaust valve.

[0012] In addition, each bed is equipped with a drive cylinder.

[0013] The beneficial effects of the utility model are:

[0014] According to the utility model, the driving cylinder disposed between the air supply valve and the exhaust valve can control the actions of the air supply valve and the exhaust valve respectively, thereby having a simple structure and saving installation (manufacturing) costs.

[0015] In addition, the air tightness of the valve can be ensured, especially leakage between the air supply valve and the exhaust valve can be prevented. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 1 is a front view schematically showing a thermal storage combustion device according to an embodiment of the present invention.

[0017] Figure 2 yes Figure 1 Side view of the regenerative combustion device.

[0018] Figure 3 yes Figure 1 A plan view of the regenerative combustion device.

[0019] Figures 4a to 4c It is used to illustrate Figure 1 Diagram of the action of the valve switch unit.

[0020] Figure 5 It is a schematic diagram Figure 1 Diagram of the configuration of each bed and drive cylinder.

[0021] Figure 6 It is used to illustrate Figure 5 Diagram showing the movement of the drive cylinders for each bed.

[0022] Figure 7 It is a perspective view schematically showing a heat storage combustion device according to another embodiment of the utility model.

[0023] Figure 8 It is shown Figure 7 Diagram of multiple beds.

[0024] Fig. 9 It is a schematic diagram Figure 7 A cross-sectional view of a thermal storage combustion device.

[0025] Fig.10 and Fig.11 2 is a diagram showing an air supply valve or an exhaust valve according to an embodiment of the present invention. DETAILED DESCRIPTION

[0026] Hereinafter, a heat storage combustion device 1 according to an embodiment of the present invention will be described with reference to the accompanying drawings.

[0027] Figure 1 1 is a front view schematically showing a heat storage combustion device 1 according to an embodiment of the present utility model; Figure 2 yes Figure 1 A side view of a heat storage combustion device 1; Figure 3 yes Figure 1 A plan view of a heat storage combustion device 1.

[0028] Reference Figures 1 to 3 In order to have a simple structure while ensuring the air tightness of the valve, a heat storage combustion device 1 according to an embodiment of the utility model includes: a combustion chamber 10, a bed 20, an air supply pipe 30, an exhaust pipe 40, an air supply valve 50, an exhaust valve 60 and a valve switch unit 70.

[0029] The combustion chamber 10 burns harmful gases to emit water and carbon dioxide. To this end, the combustion chamber 10 includes a burner (not shown) disposed inside. The bed 20 is disposed inside the combustion chamber 10. The bed 20 has a heat storage component 200. The heat storage component 200 can be stacked into a honeycomb structure. That is, the bed 20 has a heat storage component 200 of a honeycomb structure. The heat storage component 200 can be ceramic.

[0030] The gas supply pipe 30 is connected to the bed 20 to supply harmful gas to the bed 20. The exhaust pipe 40 is connected to the bed 20 to discharge combustion gas from the bed 20. The gas supply valve 50 is connected to the gas supply pipe 30. The gas supply valve 50 is arranged on the flow path of the gas supply pipe 30 and can be arranged to be surrounded by the gas supply pipe 30. As the gas supply valve 50 moves (moves or rotates) inside the gas supply pipe 30, the flow path of the gas supply pipe 30 can be blocked or opened.

[0031] The exhaust valve 60 is connected to the exhaust pipe 40. The exhaust valve 60 is disposed on the flow path of the exhaust pipe 40 and may be disposed to be surrounded by the exhaust pipe 40. As the exhaust valve 60 moves (moves or rotates) inside the exhaust pipe 40, the flow path of the exhaust pipe 40 may be blocked or opened.

[0032] The valve switch unit 70 includes a drive cylinder 700. The drive cylinder 700 is connected to the gas supply valve 50 and the exhaust valve 60 to switch the gas supply valve 50 and the exhaust valve 60. One end of the drive cylinder 700 is connected to the gas supply valve 50, and the other end is connected to the exhaust valve 60. The drive cylinder 700 can drive the gas supply valve 50 and the exhaust valve 60 independently. Accordingly, the gas supply valve 50 and the exhaust valve 60 are driven by one drive cylinder 700, so the structure is simple and the installation cost can be saved. In addition, the air tightness of the gas can be ensured. In particular, the air tightness can be ensured between the gas supply valve 50 and the exhaust valve 60.

[0033] Figures 4a to 4c It is used to illustrate Figure 1 FIG. 7 is a diagram showing the operation of the valve switch unit 70 .

[0034] Reference Figures 4a to 4c The valve switch unit 70 may further include a driving unit 710. The driving unit 710 may control the movement of the driving cylinder 700. For example, the driving unit 710 may control (drive) the driving cylinder 700 by hydraulic pressure or air pressure. In addition, the driving cylinder 700 includes a main body 701, a first rod 702, and a second rod 703. The main body 701 is disposed between the air supply valve 50 and the exhaust valve 60.

[0035] The first rod 702 is connected to the main body 701 and the air supply valve 50. The second rod 703 is connected to the main body 701 and the exhaust valve 60. The first rod 702 and the second rod 703 are arranged to be spaced apart from each other. For example, the first rod 702 and the second rod 703 can be arranged to face each other across the main body 701. In addition, the first rod 702 and the second rod 703 can have the same central axis.

[0036] Figure 4a This is a state where the air supply valve 50 and the exhaust valve 60 are all closed. Figure 4b The state where only the air supply valve 50 is open, Figure 4c The exhaust valve 60 is the only state opened. The driving unit 710 independently drives the air supply valve 50 and the exhaust valve 60. That is, the driving unit 710 can drive only one of the air supply valve 50 and the exhaust valve 60, or can drive both the air supply valve 50 and the exhaust valve 60 at the same time.

[0037] Reference Figures 1 to 3 As an embodiment, the combustion chamber 10 may extend straightly in one direction. In addition, the combustion chamber 10 includes an upper shell 100 and a lower shell 110. A plurality of beds 20 are arranged in the lower shell 110. The plurality of beds 20 are arranged in sequence in one direction. A partition wall 90 is arranged between the plurality of beds 20. That is, the partition wall 90 may separate the plurality of beds 20 in space.

[0038] On the other hand, the regenerative combustion device 1 according to an embodiment of the present invention further includes a purge gas pipe 80, which supplies purge gas to the bed 20. Each bed 20 is connected to the gas supply pipe 30, the exhaust pipe 40 and the purge gas pipe 80. Here, the gas supply pipe 30 and the exhaust pipe 40 are connected to one driving cylinder 700. That is, one driving cylinder 700 is configured for each bed 20.

[0039] The gas supply pipe 30 is connected to the supply unit 300. The supply unit 300 blows (supplies) harmful gas to the gas supply pipe 30. The exhaust pipe 40 is connected to the exhaust unit 400. Thus, the combustion gas discharged from the bed 20 is discharged into the atmosphere through the exhaust unit 400. A supply tank 310 may be arranged between the supply unit 300 and the gas supply pipe 30. The supply tank 310 may distribute the harmful gas supplied from the supply unit 300 to a plurality of gas supply pipes 30.

[0040] In addition, an exhaust tank 410 may be disposed between the exhaust section 400 and the exhaust pipe 40. The exhaust tank 410 collects the combustion gas transported from the plurality of exhaust pipes 40 and discharges it to the exhaust section 400. The exhaust section 400 may be a stack. The purge gas pipe 80 is connected to the purge tank 810. The purge gas pipe 80 may be connected to a purge valve 800. By switching the purge valve 800, the supply of the purge gas to the bed 20 may be supplied or blocked.

[0041] Figure 5 It is a schematic diagram Figure 1 A diagram showing the configuration of each bed 20 and the drive cylinder 700; Figure 6 It is used to illustrate Figure 5 A diagram showing the operation of the driving cylinder 700 for each bed 20 .

[0042] Reference Figure 5 and 6 As an embodiment, five beds 21, 22, 23, 24, and 25 may be arranged in sequence along one direction. For the convenience of subsequent description, they are referred to as the first to fifth beds 21, 22, 23, 24, and 25. A gas supply pipe 30 and an exhaust pipe 40 are connected to each bed 21, 22, 23, 24, and 25. A purge gas pipe 80 may be connected to the gas supply pipe 30. The gas supply valve 50 is arranged on the gas supply pipe 30, and the exhaust valve 60 is arranged on the exhaust pipe 40. The drive cylinder 700 is connected to the gas supply valve 50 and the exhaust valve 60. Accordingly, one drive cylinder 700 drives the gas supply valve 50 and the exhaust valve 60 respectively, thereby simplifying a complex structure and saving installation costs. ( Figure 6 Note: PURGE: purge, CLOSE: close, OPEN: open).

[0043] Hereinafter, an example of the operation of each valve using the valve opening and closing unit 70 will be described.

[0044] In the first step, the gas supply valves 50 of the first bed 21 and the second bed 22 are in an open state, the exhaust valves 60 of the third bed 23 and the fourth bed 24 are in an open state, and the purge valve 800 of the fifth bed 25 is in an open state. Here, the purge valve 800 can be driven by the driving unit 710. In addition, the valves that are not in an open state are in a closed state.

[0045] In the second step, the gas supply valves 50 of the second bed 22 and the third bed 23 are in an open state, the exhaust valves 60 of the fourth bed 24 and the fifth bed 25 are in an open state, and the purge valve 800 of the first bed 21 is in an open state.

[0046] In the third step, the gas supply valves 50 of the third bed 23 and the fourth bed 24 are in an open state, the exhaust valves 60 of the fifth bed 25 and the first bed 21 are in an open state, and the purge valve 800 of the second bed 22 is in an open state.

[0047] In the fourth step, the gas supply valves 50 of the fourth bed 24 and the fifth bed 25 are in an open state, the exhaust valves 60 of the first bed 21 and the second bed 22 are in an open state, and the purge valve 800 of the third bed 23 is in an open state.

[0048] In the fifth step, the gas supply valves 50 of the fifth bed 25 and the first bed 21 are in an open state, the exhaust valves 60 of the second bed 22 and the third bed 23 are in an open state, and the purge valve 800 of the fourth bed 24 is in an open state.

[0049] Figure 7 is a perspective view schematically showing a heat storage combustion device 1 according to another embodiment of the utility model; Figure 8 It is shown Figure 7 A diagram of a plurality of beds 20; Fig. 9 It is a schematic diagram Figure 7 FIG. 4 is a cross-sectional view of a thermal storage combustion device 1 .

[0050] Reference Figures 7 to 9 , the combustion chamber 10 may extend in a circumferential direction based on the central axis C. In addition, unlike the attached figure, the combustion chamber 10 may extend into a quadrilateral shape based on the central axis C on a plane. The combustion chamber 10 may include an upper shell 100 and a lower shell 110. A plurality of beds 20 are arranged in sequence in a circumferential direction based on the central axis C. Partition walls 90 are arranged between the plurality of beds 20. The partition walls 90 are spaced at a predetermined angle based on the central axis C, and may separate the beds 20 in space.

[0051] Each bed 20 is connected to a gas supply pipe 30, an exhaust pipe 40 and a purge gas pipe 80. A gas supply valve 50 is arranged on the gas supply pipe 30, and an exhaust valve 60 is arranged on the exhaust pipe 40. A drive cylinder 700 connects the gas supply valve 50 and the exhaust valve 60. The details of this are described above.

[0052] The purge tank 810, the exhaust tank 410, and the supply tank 310 may be disposed at the lower portion of the combustion chamber 10. In addition, the purge tank 810, the exhaust tank 410, and the supply tank 310 extend in a circumferential direction with the central axis C as the reference. The purge tank 810 is disposed at the center of the plane of the combustion chamber 10 or at the periphery of the supply tank 310. That is, unlike the drawings, the purge tank 810 may be disposed outside the supply tank 310. The exhaust tank 410 surrounds the purge tank 810 on the outside of the purge tank 810. The supply tank 310 surrounds the exhaust tank 410 on the outside of the exhaust tank 410.

[0053] Fig.10 and 11 1 is a diagram showing an air supply valve 50 or an exhaust valve 60 according to an embodiment of the present invention. Fig.10 The gas supply valve 50 is in an open state. Fig.11 The air supply valve 50 is in a closed state. Fig.10 and 11 The valve is described as a supply valve 50, but the same may also apply to an exhaust valve 60.

[0054] Reference Fig.10 and 11 As one embodiment, the air supply valve 60 includes: a lifting valve 500, a valve seat 510 and a sealing portion 520. The lifting valve 500 is spaced from the valve seat 510 by linear motion, or is in close contact with the valve seat 510. The sealing portion 520 is arranged at the edge of the lifting valve 500. The sealing portion 520 protrudes and extends in a radial direction at the edge of the lifting valve 500. The sealing portion 520 has a ring shape extending along the circumferential direction. The bottom of the sealing portion 520 is in close contact with the top of the valve seat 510 to improve the air tightness. The air supply valve 50 and the exhaust valve 60 of the utility model are not limited to lifting valves. That is, the air supply valve 50 and the exhaust valve 60 can have various types of valve shapes.

[0055] As mentioned above, the utility model achieved by the present inventors has been specifically described based on the above-mentioned embodiments. However, the present utility model is not limited to the above-mentioned embodiments, and various modifications can be made without departing from the scope of the gist.

Claims

1. A heat storage combustion device, comprising: A combustion chamber, burning harmful gases; a plurality of beds disposed within the combustion chamber and having a heat storage component; A gas supply pipe connected to the bed and supplying harmful gas to the bed; an exhaust pipe connected to the bed and exhausting combustion gases from the bed; An air supply valve connected to the air supply pipe; an exhaust valve connected to the exhaust pipe; and The valve switch unit includes a drive cylinder connected to the air supply valve and the exhaust valve to switch the air supply valve and the exhaust valve; The combustion chamber includes an upper shell and a lower shell, and the upper shell and the lower shell extend along the circumferential direction based on the central axis, or extend into a quadrilateral shape on a plane; The plurality of beds are arranged in sequence along the circumferential direction with the central axis as reference.

2. The heat storage combustion device according to claim 1, characterized in that: The drive cylinder includes: main body; A first rod is connected to the main body and the air supply valve and performs linear motion; The second rod is connected to the main body and the exhaust valve and is spaced apart from the first rod.

3. The heat storage combustion device according to claim 2, characterized in that: The valve switch unit includes a drive unit, The driving unit controls the movements of the first rod and the second rod; The driving part drives the first rod and the second rod independently.

4. The heat storage combustion device according to claim 1, characterized in that: Also includes: A purge gas line supplies purge gas to the bed.

5. The heat storage combustion device according to claim 1, characterized in that: The combustion chamber includes an upper shell and a lower shell extending in one direction; A plurality of beds are arranged in sequence along one direction.

6. The heat storage combustion device according to claim 1, characterized in that: The driving cylinder is arranged between the air supply valve and the exhaust valve.

7. The thermal storage combustion device according to claim 1, characterized in that: Each bed is equipped with a drive cylinder.

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