Refractory castable heating furnace

Abstract

The utility model discloses a refractory castable heating furnace, which relates to the technical field of refractory castable heating furnaces and particularly comprises a heating furnace body, a heating cavity is arranged on the inner side wall of the heating furnace body, a furnace door is arranged in front of the heating furnace body, a first exhaust port is arranged on the inner top wall of the heating cavity, and a refractory liner is arranged on the inner side wall of the heating cavity. An exhaust pipeline is formed between the inner side wall of the protective layer and the outer surface of the refractory liner, an exhaust cavity is formed in the outer surface of the heating furnace body, a guide plate is arranged on the inner side wall of the exhaust cavity, a first rack is slidably connected to the inner side wall of the heating furnace body, and a transmission is arranged on the inner side wall of the heating furnace body; a bracket is slidably connected to the inner side wall of the heating cavity through a sliding rail, a second rack is arranged on the side, close to the furnace door, of one side face of the bracket, a gas stove is arranged on the inner bottom wall of the heating cavity, and the device has the beneficial effects that heat loss is relieved, energy is saved, and workpieces needing to be heated are convenient to take and place.

Description

Technical Field

[0001] The utility model relates to the technical field of refractory castable heating furnaces, in particular to a refractory castable heating furnace. Background Art

[0002] Refractory castable heating furnace is a kind of equipment commonly used in the metallurgical industry to heat workpieces and materials to a certain temperature. It is made of refractory castables, which can greatly improve the heat resistance of the heating furnace.

[0003] When in use, most existing refractory castable heating furnaces directly set the exhaust port above the heating furnace, and the hot gas from the combustion of the internal dye will be directly discharged to the outside, thereby greatly accelerating the loss of heat. In addition, after the existing refractory castable heating furnace has calcined the workpiece, it is often necessary to use tools to take the workpiece out of the heating furnace, which is inconvenient. Therefore, the existing refractory castable heating furnace has the disadvantages of rapid heat loss and inconvenience in taking and placing the workpiece. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a refractory castable heating furnace, which solves the problems raised in the above background technology.

[0006] (II) Technical solution

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A refractory castable heating furnace comprises a heating furnace body, the inner side wall of the heating furnace body is provided with a heating chamber, the front of the heating furnace body is provided with a furnace door, the outer surface of the furnace door is provided with a handle, the inner side wall of the heating furnace body is provided with a thermal insulation layer, the inner side wall of the thermal insulation layer is provided with a protective layer, the inner top wall of the heating chamber is provided with a first exhaust port, the inner side wall of the heating chamber is provided with a refractory inner tank, an exhaust duct is formed between the inner side wall of the protective layer and the outer surface of the refractory inner tank, the outer surface of the heating furnace body is provided with an exhaust chamber, the inner side wall of the exhaust chamber is provided with a guide plate, the upper surface of the exhaust chamber is provided with an exhaust pipe, the inner side wall of the heating furnace body is slidably connected with a first rack, the inner side wall of the heating furnace body is provided with a transmission, the inner side wall of the heating chamber is slidably connected with a bracket through a slide rail, a side of the bracket close to the furnace door is provided with a second rack, and the inner bottom wall of the heating chamber is provided with a gas stove.

[0009] Optionally, the lower end of the exhaust duct is connected to the interior of the exhaust cavity through a second exhaust port, and the exhaust cavity is provided with two and symmetrically arranged.

[0010] Optionally, two guide plates are provided and are staggered, and the guide plates are inclined.

[0011] Optionally, a connecting rod is hinged on the outer surface of the furnace door, and one end of the connecting rod is hinged to one end of the first rack.

[0012] Optionally, the outer surface of the input end of the transmission is transmission-connected to the first rack via a first gear, and the output end of the transmission is transmission-connected to the second rack via a second gear.

[0013] Optionally, a fuel supply pipe is provided below the gas stove, the lower end of the fuel supply pipe passes through the lower surface of the heating furnace body, and a gas interface and an oxygen interface are provided on the outer surface of the fuel supply pipe.

[0014] (III) Beneficial effects

[0015] The utility model provides a refractory castable heating furnace, which has the following beneficial effects:

[0016] 1. The refractory castable heating furnace has the effect of preventing rapid heat loss through the arrangement of the first exhaust port, the exhaust duct, the refractory liner, the second exhaust port, the exhaust chamber and the guide plate. During use, the high-temperature hot air first reaches the top of the heating chamber, then flows downward to the lower end of the exhaust duct, and finally enters the exhaust chamber from the second exhaust port, and is discharged after being guided by the guide plate, which greatly slows down the heat loss, thereby playing a role in saving energy loss and achieving the purpose of slowing down the heat loss.

[0017] 2. This refractory castable heating furnace, through the arrangement of the connecting rod, the first rack, the transmission, the slide rail, the bracket and the second rack, makes it easy to take and place the heated workpiece. Through the coordinated arrangement of the furnace door, the connecting rod, the first rack and the transmission and the transmission, the second gear, the slide rail and the second rack, when the furnace door is opened during use, the bracket can be automatically extended from the inside of the heating chamber, thereby achieving the purpose of facilitating the taking and placing of the workpiece to be heated. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the front section of the utility model;

[0020] Figure 3 It is a schematic diagram of the structure of the side cross-section of the utility model;

[0021] Figure 4It is a schematic diagram of the structure of the utility model in a top view;

[0022] Figure 5 For this utility model Figure 2 The structural diagram at A in the middle;

[0023] Figure 6 For this utility model Figure 2 Schematic diagram of the structure at B in the figure.

[0024] In the figure: 1. heating furnace body; 2. heating chamber; 3. furnace door; 4. handle; 5. insulation layer; 6. protective layer; 7. first exhaust port; 8. exhaust duct; 9. refractory liner; 10. second exhaust port; 11. exhaust chamber; 12. guide plate; 13. exhaust pipe; 14. connecting rod; 15. first rack; 16. first gear; 17. transmission; 18. second gear; 19. slide rail; 20. bracket; 21. second rack; 22. gas stove; 23. fuel supply pipe. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] Example 1

[0027] The utility model provides a technical solution: a refractory castable heating furnace, comprising a heating furnace body 1, an inner wall of the heating furnace body 1 is provided with a heating chamber 2, a furnace door 3 is provided in front of the heating furnace body 1, a handle 4 is provided on the outer surface of the furnace door 3, an inner wall of the heating furnace body 1 is provided with a heat preservation layer 5, an inner wall of the heat preservation layer 5 is provided with a protective layer 6, an inner top wall of the heating chamber 2 is provided with a first exhaust port 7, an inner wall of the heating chamber 2 is provided with a refractory inner liner 9, an exhaust duct 8 is formed between the inner wall of the protective layer 6 and the outer surface of the refractory inner liner 9, the lower end of the exhaust duct 8 is connected with the inside of the exhaust chamber 11 through a second exhaust port 10, two exhaust cavities 11 are provided and are symmetrically arranged, the outer surface of the heating furnace body 1 is provided with an exhaust chamber 11, the inner wall of the exhaust chamber 11 is provided with a guide plate 12, two guide plates 12 are provided and are staggered, the guide plate 12 is inclined, and an air outlet pipe 13 is provided on the upper surface of the exhaust chamber 11.

[0028] In order to slow down the heat loss, Figures 1 to 6As shown, the present application adopts the following structure. Through the arrangement of the first exhaust port 7, the exhaust pipe 8, the refractory inner tank 9, the second exhaust port 10, the exhaust chamber 11 and the guide plate 12, the refractory castable heating furnace has the effect of preventing the rapid loss of heat. Through the coordinated arrangement of the first exhaust port 7, the exhaust pipe 8, the second exhaust port 10, the exhaust chamber 11 and the guide plate 12, during use, the gas stove 22 is supplied with gas and oxygen through the fuel supply pipe 23 and then ignited. At this time, the high-temperature hot air first reaches the top of the heating chamber 2, enters the interior of the exhaust pipe 8 from the first exhaust port 7, and then flows downward to the lower end of the exhaust pipe 8, and finally enters the exhaust chamber 11 from the second exhaust port 10, and is discharged after being guided by the guide plate 12, which greatly slows down the loss of heat, thereby playing a role in saving energy loss and achieving the purpose of slowing down the loss of heat.

[0029] Example 2

[0030] The utility model provides a technical solution: the outer surface of the furnace door 3 is hinged with a connecting rod 14, one end of the connecting rod 14 is hinged with one end of a first rack 15, the inner side wall of the heating furnace body 1 is slidably connected with the first rack 15, the inner side wall of the heating furnace body 1 is provided with a transmission 17, the outer surface of the input end of the transmission 17 is transmission-connected with the first rack 15 through a first gear 16, the output end of the transmission 17 is transmission-connected with the second rack 21 through a second gear 18, the inner side wall of the heating chamber 2 is slidably connected with a bracket 20 through a slide rail 19, a side of the bracket 20 close to the furnace door 3 is provided with a second rack 21, a gas stove 22 is provided on the inner bottom wall of the heating chamber 2, a fuel supply pipe 23 is provided below the gas stove 22, the lower end of the fuel supply pipe 23 passes through the lower surface of the heating furnace body 1, and the outer surface of the fuel supply pipe 23 is provided with a gas interface and an oxygen interface.

[0031] In order to facilitate the placement of workpieces that need to be heated, such as the attached Figures 1 to 6 As shown, the present application adopts the following structure. Through the arrangement of the connecting rod 14, the first rack 15, the transmission 17, the slide rail 19, the bracket 20 and the second rack 21, the refractory castable heating furnace has the effect of facilitating the removal and placement of heated workpieces. Through the coordinated arrangement of the furnace door 3, the connecting rod 14, the first rack 15 and the transmission 17 with the transmission 17, the second gear 18, the slide rail 19 and the second rack 21, during use, when the furnace door 3 is opened, the first rack 15 can be extended through the connecting rod 14. At this time, the transmission action of the first rack 15 and the first gear 16 will cause the output end of the transmission 17 to rotate, thereby driving the second gear 18 to rotate. When the second gear 18 rotates, the bracket 20 can be automatically extended from the inside of the heating chamber 2 through the transmission action with the second rack 21. Conversely, when the furnace door 3 is closed, the bracket 20 can automatically penetrate into the inside of the heating chamber 2, thereby achieving the purpose of facilitating the removal and placement of the workpiece to be heated.

[0032] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A refractory castable heating furnace, comprising a heating furnace body, characterized in that: A heating chamber is arranged on the inner wall of the heating furnace body, a furnace door is arranged in front of the heating furnace body, a handle is arranged on the outer surface of the furnace door, an insulation layer is arranged on the inner wall of the heating furnace body, a protective layer is arranged on the inner wall of the insulation layer, a first exhaust port is arranged on the inner top wall of the heating chamber, a refractory inner liner is arranged on the inner wall of the heating chamber, an exhaust duct is formed between the inner wall of the protective layer and the outer surface of the refractory inner liner, an exhaust chamber is arranged on the outer surface of the heating furnace body, a guide plate is arranged on the inner wall of the exhaust chamber, an exhaust pipe is arranged on the upper surface of the exhaust chamber, a first rack is slidably connected to the inner wall of the heating furnace body, a transmission is arranged on the inner wall of the heating furnace body, a bracket is slidably connected to the inner wall of the heating chamber through a slide rail, a second rack is arranged on one side of the bracket close to the furnace door, and a gas stove is arranged on the inner bottom wall of the heating chamber.

2. A refractory castable heating furnace according to claim 1, characterized in that: The lower end of the exhaust pipe is connected to the interior of the exhaust cavity through the second exhaust port, and two exhaust cavities are provided and are symmetrically arranged.

3. A refractory castable heating furnace according to claim 1, characterized in that: Two guide plates are provided and staggered, and the guide plates are inclined.

4. A refractory castable heating furnace according to claim 1, characterized in that: A connecting rod is hinged on the outer surface of the furnace door, and one end of the connecting rod is hinged to one end of the first rack.

5. A refractory castable heating furnace according to claim 1, characterized in that: The outer surface of the input end of the transmission is transmission-connected to the first rack through a first gear, and the output end of the transmission is transmission-connected to the second rack through a second gear.

6. A refractory castable heating furnace according to claim 1, characterized in that: A fuel supply pipe is arranged below the gas stove, the lower end of the fuel supply pipe penetrates the lower surface of the heating furnace body, and a gas interface and an oxygen interface are arranged on the outer surface of the fuel supply pipe.

Images