Kiln flue gas backflow circulating combustion device

Abstract

The utility model discloses a kiln flue gas backflow circulation combustion device, which relates to the technical field of kilns and comprises a kiln body, a combustion component is arranged in the kiln body, an air inlet is arranged on one side of the kiln body close to the combustion component, an adjusting component is arranged on one side of the kiln body close to the air inlet, and the adjusting component comprises a first rotating shaft. The first rotating shaft is provided with a torsion spring, the torsion spring is rotationally connected with a fixing rod, the kiln body is provided with a second rotating shaft, the second rotating shaft is rotationally connected with a baffle, the top of the baffle is provided with a damper, the top of the damper is connected with a corrugated pipe, the corrugated pipe is provided with a limiting ring, and the top of the corrugated pipe is connected with a connecting rod. By arranging the adjusting assembly, the air pressure and the airflow direction in the kiln can be effectively controlled by adjusting the size of the air inlet and the air volume, and therefore accurate control over the temperature and the humidity is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of kiln, concretely is a kind of kiln flue gas backflow circulation combustion device. BACKGROUND

[0002] Kiln flue gas backflow circulation combustion device is a kind of equipment by recycling kiln flue gas, it is sent into combustion system again to carry out secondary combustion.

[0003] The existing Chinese patent (announcement number: CN203657503U) proposes a kiln flue gas treatment system, it includes fume collecting hood, the smoke exhaust duct that communicates the fume collecting hood, first heat exchange box, second heat exchange box, fan, dust collector and chimney, the fume collecting hood is provided with screen cloth, the screen cloth is set to the entrance of the smoke exhaust duct, the smoke exhaust duct sequentially communicates the first heat exchange box, the second heat exchange box and the fan, the heat exchange box is provided with heat exchange pipeline respectively, the heat exchange pipeline is connected water tank by pressure pump, the outlet of the fan is connected with the dust collector, the outlet of the dust collector is communicated with the chimney.

[0004] The above technical scheme passes through heat exchange pipeline to transfer the heat in kiln flue gas to water source, then connects other equipment to utilize, and the heat exchange kiln flue gas is discharged into chimney by fan and dust collector, which not only recovers heat but also treats kiln flue gas, reducing pollution.

[0005] However, the above device does not recycle the discharged flue gas, as the flue gas contains oxygen, which can have a good combustion effect if used twice, but in the prior art, after secondary combustion, the temperature inside the kiln will continue to rise, and the airflow and air pressure will also increase, which can easily cause uneven temperature and burst, therefore we propose a kiln flue gas backflow circulation combustion device. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of kiln flue gas backflow circulation combustion device to solve the problems proposed in the above background technology.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kiln flue gas backflow circulation combustion device, including kiln body, the inside of kiln body is provided with combustion assembly, the side of kiln body near combustion assembly is equipped with air inlet, the side of kiln body near air inlet is provided with adjusting assembly, adjusting assembly includes first pivot, the first pivot is provided with torsion spring, the torsion spring is rotatably connected with fixed link, the second pivot is provided on the kiln body, the second pivot is rotatably connected with baffle, the baffle top is provided with damper, the damper top is connected with corrugated pipe, the corrugated pipe is provided with limit ring, the corrugated pipe top is connected with connecting rod, the end of connecting rod away from corrugated pipe is connected with fixed link.

[0008] As a preferred implementation, the combustion assembly includes a heating pipe, the kiln body is provided with a frame near the heating pipe, the frame is provided with a third pivot, the third pivot is rotatably connected with a support plate, the support plate is provided with a burner at the top, the support plate is provided with an electric telescopic rod at the bottom, the electric telescopic rod is fixed on the frame at the bottom, the kiln body is fixedly connected with an exhaust pipe near the combustion assembly, and the exhaust pipe is fixedly connected at the top of the kiln body away from the combustion assembly.

[0009] The above technical scheme is adopted: by setting the combustion assembly, the object is burned and processed, and by setting the electric telescopic rod, the angle of the burner jet can be adjusted.

[0010] As a preferred implementation, the exhaust pipe is provided with a filter assembly, the filter assembly includes a filter box, the filter box is provided with a filter plate inside, and the filter plate is provided with two.

[0011] The above technical scheme is adopted: by setting the filter assembly, the impurities and dust inside the flue gas are filtered out, and the effect of combustion support is improved.

[0012] As a preferred implementation, the kiln body is provided with a limiting assembly near the adjusting assembly, the limiting assembly includes a fixed plate, the fixed plate is provided with a limiting hole, the fixed rod is connected with a telescopic rod, and the telescopic rod is inserted into the limiting hole away from the fixed rod.

[0013] The above technical scheme is adopted: by setting the limiting assembly, the adjusted baffle is limited, and the baffle is prevented from resetting.

[0014] As a preferred implementation, the kiln body is provided with a transportation assembly inside, the transportation assembly includes a rotating rod, the rotating rod is connected with a motor, and the rotating rod is provided with a gear.

[0015] The technical scheme has the advantages that: the transportation assembly is arranged to transport the articles to the combustion assembly for combustion.

[0016] As a preferred embodiment, the kiln body is provided with a sliding door, and the sliding door is provided with a handle.

[0017] The technical scheme has the advantages that: the sliding door and the handle are arranged to facilitate feeding and taking out.

[0018] Compared with the prior art, the kiln smoke backflow circulation combustion device has the advantages and positive effects that:

[0019] 1. The adjusting assembly is arranged to adjust the size of the air inlet and the air volume, so as to effectively control the air pressure and air flow direction in the kiln, thereby realizing accurate control of the temperature and humidity.

[0020] 2. The filtering assembly is arranged to filter out impurities and dust in the smoke, thereby improving the combustion effect. The transportation assembly is arranged to transport the articles to the combustion assembly for combustion.

[0021] Figure 1 It is a front view of a kiln smoke backflow circulation combustion device.

[0022] Figure 2 It is a structure diagram of an adjusting assembly in a kiln smoke backflow circulation combustion device.

[0023] Figure 3 It is an internal view of a kiln smoke backflow circulation combustion device.

[0024] Figure 4 It is a structure diagram of a combustion assembly in a kiln smoke backflow circulation combustion device.

[0025] Reference numerals in the drawings:

[0026] 1. Kiln body

[0027] 2. Adjusting assembly; 21. First rotating shaft; 22. Torsion spring; 23. Fixed rod; 24. Second rotating shaft; 25. Baffle; 26. Damper; 27. Wrinkle tube; 28. Connecting rod; 29. Limiting ring

[0028] 3, limiting assembly; 31, fixed plate; 32, limiting hole; 33, telescopic rod;

[0029] 4, transportation assembly; 41, rotating rod; 42, gear;

[0030] 5, smoke exhaust pipe;

[0031] 6, filtering assembly; 61, filtering box; 62, filtering plate;

[0032] 7, combustion assembly; 71, heating pipe; 72, frame; 73, burner; 74, third rotating shaft; 75, electric telescopic rod; 76, supporting plate;

[0033] 8, sliding door; 9, handle. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0035] Embodiment one

[0036] As Figure 2 and Figure 3As shown, a kiln flue gas backflow circulating combustion device, including kiln body 1, the kiln body 1 inside is provided with combustion assembly 7, the kiln body 1 is close to the side of combustion assembly 7 and is provided with air inlet, the kiln body 1 is close to the side of air inlet and is provided with adjusting assembly 2, adjusting assembly 2 includes first rotating shaft 21, first rotating shaft 21 is provided with torsion spring 22, torsion spring 22 is rotatably connected with fixed rod 23, the kiln body 1 is provided with second rotating shaft 24, second rotating shaft 24 is rotatably connected with baffle 25, the top of baffle 25 is provided with damper 26, the top of damper 26 is connected with corrugated pipe 27, the corrugated pipe 27 is provided with limiting ring 29, the top of corrugated pipe 27 is connected with connecting rod 28, the end of connecting rod 28 away from corrugated pipe 27 is connected with fixed rod 23, by setting adjusting assembly 2, by shaking fixed rod 23, drive corrugated pipe 27 to overturn, the corrugated pipe 27 drives the bottom baffle 25 to overturn by setting second rotating shaft 24, so as to adjust the air flow and effectively control the air pressure and air flow direction in the kiln, so as to realize the accurate control of temperature and humidity, prevent the kiln from exploding, the damper 26 is set to play a buffering role when overturning, the side of the kiln body 1 close to the adjusting assembly 2 is provided with limiting assembly 3, the limiting assembly 3 includes fixed plate 31, the fixed plate 31 is provided with limiting hole 32, the fixed rod 23 is connected with telescopic rod 33, the side of telescopic rod 33 away from fixed rod 23 is inserted into limiting hole 32, by setting limiting assembly 3, the adjusted baffle 25 is limited, to prevent the baffle 25 from resetting, the combustion assembly 7 includes heating pipe 71, the side of the kiln body 1 close to the heating pipe 71 is provided with frame 72, the frame 72 is provided with third rotating shaft 74, the third rotating shaft 74 is rotatably connected with support plate 76, the top of support plate 76 is provided with burner 73, the bottom of support plate 76 is provided with electric telescopic rod 75, the bottom of electric telescopic rod 75 is fixed on frame 72, the side of the kiln body 1 close to the combustion assembly 7 is fixedly connected with exhaust pipe 5, the end of exhaust pipe 5 away from combustion assembly 7 is fixedly connected at the top of kiln body 1, by setting combustion assembly 7, the article is burned and processed, by setting electric telescopic rod 75, the angle of burner 73 injection can be adjusted;

[0037] Example two

[0038] As Figure 1 And Figure 3As shown, the smoke exhaust pipe 5 is provided with a filter assembly 6, the filter assembly 6 comprises a filter box 61, the filter box 61 is internally provided with filter plates 62, the filter plates 62 are provided with two, by setting the filter assembly 6, the impurities and dust inside the flue gas are filtered out, the effect of combustion is improved, the kiln body 1 is internally provided with a conveying assembly 4, the conveying assembly 4 comprises a rotating rod 41, the rotating rod 41 is connected with a motor, the rotating rod 41 is provided with a gear 42, by setting the conveying assembly 4, the motor is started to drive the rotating rod 41 to rotate, the rotating rod 41 drives the gear 42 to rotate, thereby completing the conveying work, the kiln body 1 is provided with a sliding door 8, the sliding door 8 is provided with a handle 9, by setting the sliding door 8 and the handle 9, the feeding and taking are facilitated, the limiting holes 32 are provided with four, and the four limiting holes 32 are arc-shapedly distributed, the wrinkle pipe 27 is provided with a limiting ring 29.

[0039] As shown, Figure 1 Figure 4 As shown, by setting the conveying assembly 4, the motor is started to drive the rotating rod 41 to rotate, the rotating rod 41 drives the gear 42 to rotate, thereby completing the conveying work, the articles are conveyed to the combustion assembly 7 to be burned, by setting the electric telescopic rod 75, the angle of the burner 73 can be adjusted, then the flue gas is recycled and burned again by setting the smoke exhaust pipe 5, by setting the filter assembly 6, the impurities and dust inside the flue gas are filtered out, the effect of combustion is improved, by setting the adjusting assembly 2, by shaking the fixed rod 23, the wrinkle pipe 27 is turned over, the bottom baffle 25 is turned over through the second rotating shaft 24, thereby adjusting the air flow and effectively controlling the air pressure and air flow direction in the kiln, thereby realizing the precise control of the temperature and humidity, preventing the kiln from exploding, the damper 26 plays a buffering role when turning over, by setting the limiting assembly 3, the adjusted baffle 25 is limited, preventing the baffle 25 from resetting, by setting the sliding door 8 and the handle 9, the feeding and taking are facilitated.

[0040] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above-mentioned technical content without departing from the technical solution of the present application, and equivalent embodiments with equivalent changes can be obtained. The implementation schemes in the above embodiments can be further combined or replaced. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belong to the scope of the present application.​

Claims

1. A kiln flue gas recirculation combustion device, comprising a kiln body (1), characterized in that: The kiln body (1) is equipped with a combustion assembly (7) inside. An air inlet is provided on the side of the kiln body (1) near the combustion assembly (7). An adjustment assembly (2) is provided on the side of the kiln body (1) near the air inlet. The adjustment assembly (2) includes a first rotating shaft (21). A torsion spring (22) is provided on the first rotating shaft (21). A fixed rod (23) is rotatably connected to the torsion spring (22). A second rotating shaft (24) is provided on the kiln body (1). A baffle (25) is rotatably connected to the second rotating shaft (24). A damper (26) is provided on the top of the baffle (25). A pleated tube (27) is connected to the top of the damper (26). A connecting rod (28) is connected to the top of the pleated tube (27). The end of the connecting rod (28) away from the pleated tube (27) is connected to the fixed rod (23).

2. The kiln flue gas recirculation combustion device according to claim 1, characterized in that: The combustion assembly (7) includes a heating tube (71). A frame (72) is provided on the side of the kiln body (1) near the heating tube (71). A third rotating shaft (74) is provided inside the frame (72). A support plate (76) is rotatably connected to the third rotating shaft (74). A burner (73) is provided on the top of the support plate (76). An electric telescopic rod (75) is provided at the bottom of the support plate (76). The bottom of the electric telescopic rod (75) is fixed on the frame (72). A flue pipe (5) is fixedly connected on the side of the kiln body (1) near the combustion assembly (7). The end of the flue pipe (5) away from the combustion assembly (7) is fixedly connected to the top of the kiln body (1).

3. The kiln flue gas recirculation combustion device according to claim 2, characterized in that: The exhaust pipe (5) is provided with a filter assembly (6), which includes a filter box (61) and a filter plate (62) inside the filter box (61). There are two filter plates (62).

4. The kiln flue gas recirculation combustion device according to claim 1, characterized in that: A limiting component (3) is provided on the side of the kiln body (1) near the adjusting component (2). The limiting component (3) includes a fixing plate (31), a limiting hole (32) is provided on the fixing plate (31), and a telescopic rod (33) is connected to the fixing rod (23). The side of the telescopic rod (33) away from the fixing rod (23) is inserted into the limiting hole (32).

5. The kiln flue gas recirculation combustion device according to claim 1, characterized in that: The kiln body (1) is equipped with a transport component (4), which includes a rotating rod (41), a motor connected to the rotating rod (41), and a gear (42) on the rotating rod (41).

6. The kiln flue gas recirculation combustion device according to claim 1, characterized in that: The kiln body (1) is provided with a sliding door (8), and the sliding door (8) is provided with a handle (9).

7. The kiln flue gas recirculation combustion device according to claim 4, characterized in that: The limiting holes (32) are provided in four places, and the four limiting holes (32) are distributed in an arc shape.

8. The kiln flue gas recirculation combustion device according to claim 1, characterized in that: A limit ring (29) is provided on the pleated tube (27).

Images