Heating furnace capable of improving combustion rate

Abstract

The utility model discloses a heating furnace capable of improving combustion rate, which relates to the technical field of heating furnaces and comprises a heating furnace body and an air exhaust component. A connecting box is fixed to the right end of the surface of the heating furnace body, an air outlet assembly is installed on the lower side of the connecting box, a filtering assembly is installed in the connecting box, and an air inlet assembly is installed on the upper side of the connecting box; the air exhaust assembly comprises a fixing plate, a rotating shaft, fan blades, a chain wheel, a chain, a motor and a mounting plate, the fixing plate is fixed in the connecting box, a rotating hole is formed in the upper side of the fixing plate, the rotating shaft is rotatably connected in the rotating hole, the fan blades which are uniformly distributed are fixed to the upper end of the circumferential surface of the rotating shaft, and the mounting plate is fixed to the right side of the connecting box. A motor is mounted on the upper side of the mounting plate, the two chain wheels are arranged, and the chain wheel on the left side is fixed to the lower end of the rotating shaft, so that heat loss can be reduced, and the combustion rate is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of heating furnaces, and specifically relates to a heating furnace for improving the combustion rate. Background Technique

[0002] In the metallurgical industry, a heating furnace is customarily referred to as an industrial furnace that heats metal to the rolling or forging temperature, including continuous heating furnaces and chamber furnaces, etc. The heating furnace used for metal heat treatment is another name for a heat treatment furnace. The furnace for heating ingots before blooming or making the internal temperature of ingots uniform is called a soaking pit furnace. Generally speaking, heating furnaces also include soaking pit furnaces and heat treatment furnaces;

[0003] During the use of existing heating furnaces, there is a problem of low energy utilization rate. For example, the flue gas generated during heating is directly discharged, which is likely to cause heat loss. Therefore, we propose a heating furnace for improving the combustion rate. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is to overcome the existing defects, provide a heating furnace for improving the combustion rate, which can reduce heat loss and improve the combustion rate, and can effectively solve the problems in the background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A heating furnace for improving the combustion rate, including a heating furnace body and an air extraction component;

[0006] Heating furnace body: A connection box is fixed to the right end of the surface. An air outlet component is installed below the connection box. A filtering component is installed inside the connection box. An air inlet component is installed above the connection box;

[0007] Air extraction component: Comprising a fixing plate, a rotating shaft, fan blades, sprockets, a chain, a motor and a mounting plate. The fixing plate is fixed inside the connection box. A rotating hole is opened above the fixing plate. The rotating shaft is rotatably connected inside the rotating hole. Uniformly distributed fan blades are fixed to the upper end of the circumferential surface of the rotating shaft. A mounting plate is fixed to the right side of the connection box. A motor is installed above the mounting plate. There are two sprockets. The left sprocket is fixed to the lower end of the rotating shaft. The right sprocket is fixed to the output shaft of the motor. The two sprockets are connected by a chain. The input end of the motor is electrically connected to the output end of an external control switch. By setting the air extraction component, the flue gas generated by the heating furnace body is re-extracted into the heating furnace body to reduce heat consumption.

[0008] Furthermore, the air inlet component includes an air inlet pipe and an air inlet ring. The air inlet pipe is fixed inside the air inlet of the connection box on the upper side. The upper end of the air inlet pipe is fixed with the air inlet ring. The air inlet ring is fixed to the circumferential surface of the chimney provided at the upper end of the heating furnace body. The flue gas enters the inside of the connection box through the air inlet component.

[0009] Further, the filtering component includes a filter screen and a connecting bar. An opening is formed on the right side of the connecting box. The filter screen is slidably connected inside the opening. A connecting bar is fixed to the right side of the filter screen. The filter screen is located above the rotating shaft. The flue gas is filtered by setting the filtering component.

[0010] Further, it further includes a fixing component. The fixing component includes a fixing bar and a U-shaped clamping rod. The fixing bar is fixed to the right side of the connecting box. Two corresponding sliding holes are formed on the upper side of the fixing bar. The U-shaped clamping rod is slidably connected inside the two sliding holes. Two corresponding clamping holes are formed on the upper side of the connecting bar. The U-shaped clamping rod is clamped inside the clamping holes. The connecting bar is fixed by setting the fixing component.

[0011] Further, the air outlet component includes a connecting pipe, an annular pipe, an air outlet pipe and a one-way valve. The connecting pipe is fixed inside the air outlet hole arranged on the lower side of the connecting box. The annular pipe is fixed on the circumferential surface of the heating furnace body. The lower end of the connecting pipe is fixed inside the air inlet arranged at the upper end of the annular pipe. Uniformly distributed air outlet holes are formed inside the annular pipe. The air outlet pipe is fixed inside the air outlet hole. Uniformly distributed return holes are formed on the circumferential surface of the heating furnace body. The air outlet pipe is fixed inside the return hole. The one-way valve is installed on the circumferential surface of the air outlet pipe. The filtered high-temperature gas is re-injected into the heating furnace body by setting the air outlet component.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: The heating furnace for improving the combustion rate has the following advantages:

[0013] By setting the air extraction component, when in use, all the fan blades are controlled to rotate to extract the flue gas discharged from the chimney of the heating furnace body into the connecting box. After entering, the filter screen will filter the flue gas, remove the dust in the flue gas after filtering, and the remaining high-temperature gas will re-enter the annular pipe through the connecting pipe, and then be evenly sprayed into the heating furnace body through the uniformly distributed air outlet pipes. In this way, the heat loss can be reduced and the combustion rate can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 It is a structure schematic diagram of the air extraction component of the present utility model;

[0016] Figure 3 It is a structure schematic diagram of the air inlet component of the present utility model.

[0017] In the figure: 1 is the heating furnace body, 2 is the connection box, 3 is the air extraction component, 31 is the fixed plate, 32 is the rotating shaft, 33 is the fan blade, 34 is the sprocket, 35 is the chain, 36 is the motor, 37 is the mounting plate, 4 is the air intake component, 41 is the intake pipe, 42 is the air intake ring, 5 is the filtering component, 51 is the filter screen, 52 is the connecting strip, 6 is the fixing component, 61 is the fixing strip, 62 is the U-shaped clamping rod, 7 is the air outlet component, 71 is the connecting pipe, 72 is the annular pipe, 73 is the outlet pipe, 74 is the check valve. Specific implementation manner

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] Please refer to Figures 1-3 , this embodiment provides a technical solution: a heating furnace for improving the combustion rate, including a heating furnace body 1 and an air extraction component 3;

[0020] Heating furnace body 1: A connection box 2 is fixed to the right end of the surface. An air outlet assembly 7 is installed on the lower side of the connection box 2. A filtering assembly 5 is installed inside the connection box 2. An air inlet assembly 4 is installed on the upper side of the connection box 2. The air inlet assembly 4 includes an air inlet pipe 41 and an air inlet ring 42. The air inlet pipe 41 is fixed inside the air inlet opening provided on the upper side of the connection box 2. The upper end of the air inlet pipe 41 is fixed with the air inlet ring 42. The air inlet ring 42 is fixed on the circumferential surface of the chimney provided at the upper end of the heating furnace body 1. The filtering assembly 5 includes a filter net 51 and a connecting strip 52. An opening is provided on the right side of the connection box 2. The filter net 51 is slidably connected inside the opening. The connecting strip 52 is fixed to the right side of the filter net 51. The filter net 51 is located above the rotating shaft 32. It also includes a fixing assembly 6. The fixing assembly 6 includes a fixing strip 61 and a U-shaped clamping rod 62. The fixing strip 61 is fixed to the right side of the connection box 2. Two corresponding sliding holes are provided on the upper side of the fixing strip 61. The U-shaped clamping rod 62 is slidably connected inside the two sliding holes. Two corresponding clamping holes are provided on the upper side of the connecting strip 52. The U-shaped clamping rod 62 is clamped inside the clamping holes. The air outlet assembly 7 includes a connecting pipe 71, an annular pipe 72, an air outlet pipe 73 and a check valve 74. The connecting pipe 71 is fixed inside the air outlet opening provided on the lower side of the connection box 2. The annular pipe 72 is fixed on the circumferential surface of the heating furnace body 1. The lower end of the connecting pipe 71 is fixed inside the air inlet opening provided at the upper end of the annular pipe 72. Uniformly distributed air outlet openings are provided inside the annular pipe 72. The air outlet pipe 73 is fixed inside the air outlet openings. Uniformly distributed return holes are provided on the circumferential surface of the heating furnace body 1. The air outlet pipe 73 is fixed inside the return holes. The check valve 74 is installed on the circumferential surface of the air outlet pipe 73. By providing the air outlet assembly 7, the filtered high-temperature gas is re-injected into the heating furnace body 1. By providing the fixing assembly 6, the connecting strip 52 is fixed. By providing the filtering assembly 5, the flue gas is filtered. The flue gas enters the inside of the connection box 2 through the air inlet assembly 4;

[0021] Air extraction assembly 3: It includes a fixing plate 31, a rotating shaft 32, fan blades 33, a sprocket 34, a chain 35, a motor 36 and a mounting plate 37. The fixing plate 31 is fixed inside the connection box 2. A rotating hole is provided on the upper side of the fixing plate 31. The rotating shaft 32 is rotatably connected inside the rotating hole. Uniformly distributed fan blades 33 are fixed to the upper end of the circumferential surface of the rotating shaft 32. The mounting plate 37 is fixed to the right side of the connection box 2. The motor 36 is installed on the upper side of the mounting plate 37. There are two sprockets 34. The left sprocket 34 is fixed to the lower end of the rotating shaft 32. The right sprocket 34 is fixed to the output shaft of the motor 36. The two sprockets 34 are connected by the chain 35. The input end of the motor 36 is electrically connected to the output end of an external control switch. By providing the air extraction assembly 3, the flue gas generated by the heating furnace body 1 is re-extracted into the heating furnace body 1, reducing heat consumption.

[0022] The working principle of a heating furnace for improving the combustion rate provided by the present utility model is as follows: When starting the motor 36 during normal use, the sprocket 34 on the right side rotates. The rotation of the sprocket 34 on the right side drives the sprocket 34 on the left side to rotate, thereby causing the rotating shaft 32 to rotate. The rotation of the rotating shaft 32 causes all the fan blades 33 to rotate, and the flue gas discharged from the chimney of the heating furnace body 1 is drawn into the interior of the intake pipe 41 through the intake ring 42, and then drawn into the interior of the connection box 2 through the intake pipe 41. After entering, the filter screen 51 will filter the flue gas, removing the dust in the flue gas. The remaining high-temperature gas after removal re-enters the interior of the annular pipe 72 through the connecting pipe 71, and then is evenly sprayed into the interior of the heating furnace body 1 through the evenly distributed outlet pipes 73. In this way, heat loss can be reduced and the combustion rate can be increased.

[0023] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. A heating furnace for improving the combustion rate, characterized in that: It includes a heating furnace body (1) and an air extraction component (3); Heating furnace body (1): A connection box (2) is fixed to the right end of the surface. An air outlet component (7) is installed on the lower side of the connection box (2). A filtering component (5) is installed inside the connection box (2). An air inlet component (4) is installed on the upper side of the connection box (2); Air extraction component (3): It includes a fixing plate (31), a rotating shaft (32), fan blades (33), a sprocket (34), a chain (35), a motor (36) and a mounting plate (37). The fixing plate (31) is fixed inside the connection box (2). A rotating hole is opened on the upper side of the fixing plate (31). The rotating shaft (32) is rotatably connected inside the rotating hole. Uniformly distributed fan blades (33) are fixed to the upper end of the circumferential surface of the rotating shaft (32). The mounting plate (37) is fixed to the right side of the connection box (2). The motor (36) is installed on the upper side of the mounting plate (37). There are two sprockets (34). The left sprocket (34) is fixed to the lower end of the rotating shaft (32). The right sprocket (34) is fixed to the output shaft of the motor (36). The two sprockets (34) are connected by a chain (35). The input end of the motor (36) is electrically connected to the output end of an external control switch.

2. The heating furnace for improving the combustion rate according to claim 1, wherein: The air inlet component (4) includes an air inlet pipe (41) and an air inlet ring (42). The air inlet pipe (41) is fixed inside the air inlet on the upper side of the connection box (2). The air inlet ring (42) is fixed to the upper end of the air inlet pipe (41). The air inlet ring (42) is fixed to the circumferential surface of the chimney provided at the upper end of the heating furnace body (1).

3. The heating furnace for improving the combustion rate according to claim 1, characterized in that: The filtering component (5) includes a filter net (51) and a connection strip (52). An opening is opened on the right side of the connection box (2). The filter net (51) is slidably connected inside the opening. The connection strip (52) is fixed to the right side of the filter net (51). The filter net (51) is located above the rotating shaft (32).

4. The heating furnace for improving the combustion rate according to claim 3, wherein: It also includes a fixing component (6). The fixing component (6) includes a fixing strip (61) and a U-shaped clamping rod (62). The fixing strip (61) is fixed to the right side of the connection box (2). Two corresponding sliding holes are opened on the upper side of the fixing strip (61). The U-shaped clamping rod (62) is slidably connected inside the two sliding holes. Two corresponding clamping holes are opened on the upper side of the connection strip (52). The U-shaped clamping rod (62) is clamped inside the clamping holes.

5. The heating furnace for improving the combustion rate according to claim 1, characterized in that: The air outlet assembly (7) includes a connecting pipe (71), an annular pipe (72), an air outlet pipe (73) and a check valve (74). A connecting pipe (71) is fixed inside the air outlet hole provided on the lower side of the connecting box (2). An annular pipe (72) is fixed on the circumferential surface of the heating furnace body (1). The lower end of the connecting pipe (71) is fixed inside the air inlet provided at the upper end of the annular pipe (72). Uniformly distributed air outlet holes are formed inside the annular pipe (72), and an air outlet pipe (73) is fixed inside the air outlet hole. Uniformly distributed return holes are formed on the circumferential surface of the heating furnace body (1), and the air outlet pipe (73) is fixed inside the return hole. A check valve (74) is installed on the circumferential surface of the air outlet pipe (73).

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