A furnace shell for a box-type furnace

Abstract

The utility model discloses a furnace shell for a box-type furnace, comprising a furnace shell body, a control box, a protection component and a use component, wherein the control box is installed on the top of the furnace shell body by bolts, and the protection component is installed in the furnace shell body. The utility model is provided with a protection component, when the smoke in the furnace is discharged, the smoke enters the retention pipe from the exhaust pipe, and is finally discharged from the exhaust pipe. Under the setting of the retention pipe, the smoke is retained in the retention pipe for a long time, and the heat carried by the smoke can be recycled and reused. When the furnace door is opened, the air pump can suck the gas at the furnace door into the retention pipe from the suction head to complete the absorption of the heat at the furnace door, avoid causing a large amount of heat loss in the furnace, and reduce energy consumption. When the furnace shell body is collided, the protection plate causes the connecting rod to move, and the connecting rod drives the slider to slide along the limit rod. The slider can squeeze the buffer spring to complete the weakening of the impact force, thereby realizing the protection of the furnace shell body.

Description

Technical Field

[0001] The utility model relates to the technical field related to box-type furnaces, in particular to a furnace shell for a box-type furnace. Background Art

[0002] Box-type furnaces are mainly used for heat treatment such as normalizing, quenching, annealing, etc. for alloy steel products and various metal parts, or for high-temperature sintering of cutting blades such as diamonds. They are widely used in production and experiments in the fields of ceramics, metallurgy, electronics, glass, chemicals, machinery, etc. Box-type furnaces are composed of a furnace shell, a furnace lining, etc. The furnace shell is used to protect the furnace lining.

[0003] The prior art has the following deficiencies: the prior art discloses a "box-type furnace shell" with a publication number of CN204438802U, which "includes a main body provided with a furnace, an inner side wall of the furnace being covered with a thermal insulation layer, a plurality of heating tubes being provided in the furnace, and at least one hot air circulation system being provided on the rear side wall of the furnace, wherein the hot air circulation system comprises a motor fixedly connected to the main body and a fan blade provided on the motor, wherein the fan blade is provided on the motor through an adjustable component." When the above-mentioned equipment is in use, the smoke in the furnace is discharged through the smoke exhaust pipe, but when the smoke is discharged or the furnace door is opened, the heat inside the furnace will be lost, resulting in a waste of resources and affecting the heating of metal materials. In addition, the overall protection of the furnace shell is poor. When subjected to external collision, it is easy to cause instability in the internal furnace, and the overall protection stability is poor. Utility Model Content

[0004] The utility model aims to provide a furnace shell for a box-type furnace to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: a furnace shell for a box-type furnace, comprising a furnace shell body, a control box, a protection component and a use component, wherein the control box is installed on the top of the furnace shell body by bolts, the protection component is installed in the furnace shell body, and the use component is installed on the side wall of the furnace shell body;

[0006] The protection assembly includes a furnace, a protection layer, a heat insulation layer, a smoke exhaust pipe, a retention pipe, an exhaust pipe, two groups of air pumps and a protection part. The furnace is opened in the furnace shell body, the protection layer is embedded in the furnace shell body, the heat insulation layer is embedded in the furnace shell body and is located on one side of the protection layer, the smoke exhaust pipe is penetrated and installed at both ends of the furnace, the retention pipe is installed at one end of the smoke exhaust pipe, the exhaust pipe is installed at one end of the retention pipe, two groups of air pumps are symmetrically installed on the side wall of the furnace shell body, and the protection part is installed on the side wall of the furnace shell body.

[0007] As a further preferred embodiment of the present technical solution, the protective part includes an air suction head, multiple groups of protective plates, two groups of connecting rods, multiple groups of limiting rods, two groups of sliders and buffer springs. The air suction head is installed at the air pump input end, multiple groups of protective plates are installed on one side of the furnace shell body, two groups of connecting rods are rotatably installed on the side walls of the protective plates, multiple groups of limiting rods are symmetrically installed on the side walls of the furnace shell body, two groups of sliders are symmetrically sleeved on the outside of the limiting rods, and the buffer springs are sleeved on the outside of the limiting rods.

[0008] As a further preferred embodiment of the present technical solution, the retention pipe is spirally coiled outside the furnace, the discharge pipe extends to the outside of the furnace shell body, and the air pump output end is connected to the retention pipe.

[0009] As a further preferred embodiment of the present technical solution, the two groups of suction heads are symmetrically arranged, the connecting rod is rotatably connected to the slider, and the slider is slidably connected to the limit rod.

[0010] As a further preferred embodiment of the present technical solution, a plurality of sets of supporting feet are symmetrically mounted on the bottom end of the furnace shell body by bolts, and a rubber protective sleeve is provided on the bottom of the supporting feet.

[0011] As a further preferred embodiment of the present technical solution, the use components include an instrument panel, a knob switch, multiple groups of heating tubes and a furnace door. The instrument panel is embedded in the side wall of the control box, the knob switch is rotatably installed on the side wall of the control box, multiple groups of heating tubes are evenly distributed and installed on the inner wall of the furnace, and the furnace door is rotatably installed on the side wall of the furnace shell body through a hinge.

[0012] The utility model provides a furnace shell for a box-type furnace, which has the following beneficial effects:

[0013] (1) The utility model is provided with a protective component. When the smoke in the furnace is discharged, the smoke enters the retention pipe from the smoke exhaust pipe and is finally discharged from the exhaust pipe. Under the setting of the retention pipe, the smoke stays in the retention pipe for a long time, and the heat carried by the smoke can be recovered and reused. When the furnace door is opened, the air pump can suck the gas at the furnace door into the retention pipe through the suction head to complete the absorption of the heat at the furnace door, avoid causing a large amount of heat loss in the furnace, and reduce energy consumption. When the furnace shell body is hit, the protective plate causes the connecting rod to move, and the connecting rod drives the slider to slide along the limit rod. The slider can squeeze the buffer spring to weaken the impact force and protect the furnace shell body.

[0014] (2) The utility model is provided with a use component, and the temperature, pressure, etc. in the furnace can be displayed by using an instrument panel to avoid dangerous situations. The furnace can be heated by using a heating tube to complete the processing of metal materials. The furnace can be opened and closed by using a furnace door. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the protection component of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the protection part of the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the components used in the utility model.

[0019] In the figure: 1. furnace shell body; 2. control box; 3. protection component; 4. use component; 5. furnace; 6. protection layer; 7. insulation layer; 8. exhaust pipe; 9. retention pipe; 10. discharge pipe; 11. air pump; 12. protection part; 13. suction head; 14. protection plate; 15. connecting rod; 16. limit rod; 17. slider; 18. buffer spring; 19. support foot; 20. instrument panel; 21. knob switch; 22. heating tube; 23. furnace door. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] The utility model provides a technical solution: Figure 2 and Figure 3As shown, in this embodiment, a furnace shell for a box-type furnace includes a furnace shell body 1, a control box 2, a protection component 3 and a use component 4, the control box 2 is installed on the top of the furnace shell body 1 by bolts, the protection component 3 is installed in the furnace shell body 1, the use component 4 is installed on the side wall of the furnace shell body 1, the protection component 3 includes a furnace chamber 5, a protection layer 6, a heat insulation layer 7, a smoke exhaust pipe 8, a retention pipe 9, a discharge pipe 10, two groups of air pumps 11 and a protection part 12, the furnace chamber 5 is opened in the furnace shell body 1, the protection layer 6 is embedded in the furnace shell body 1, the heat insulation layer 7 is embedded in the furnace shell body 1 and is located on one side of the protection layer 6, The exhaust pipe 8 is installed at both ends of the furnace 5, the retention pipe 9 is installed at one end of the exhaust pipe 8, the discharge pipe 10 is installed at one end of the retention pipe 9, the two groups of air pumps 11 are symmetrically installed on the side wall of the furnace shell body 1, and the protective part 12 is installed on the side wall of the furnace shell body 1. The flue gas can be discharged from the exhaust pipe 8 through the retention pipe 9 and finally discharged from the discharge pipe 10. The flue gas can be retained in the retention pipe 9 for a long time, so that the heat in the flue gas can be reused, avoiding the flue gas from carrying a large amount of heat in the furnace 5, reducing energy consumption, and under the setting of the air pump 11 and the suction head 13, when the furnace door 23 is opened, the heat at the furnace door 23 is sucked into the retention pipe 9, which can prevent the furnace door 23 from being opened. The furnace door 23 causes a large amount of heat loss. The protection part 12 includes an air suction head 13, multiple groups of protection plates 14, two groups of connecting rods 15, multiple groups of limiting rods 16, two groups of sliders 17 and buffer springs 18. The air suction head 13 is installed at the input end of the air pump 11, multiple groups of the protection plates 14 are installed on one side of the furnace shell body 1, two groups of the connecting rods 15 are rotatably installed on the side wall of the protection plate 14, multiple groups of the limiting rods 16 are symmetrically installed on the side wall of the furnace shell body 1, two groups of the sliders 17 are symmetrically sleeved and installed on the outside of the limiting rods 16, and the buffer springs 18 are sleeved and installed on the outside of the limiting rods 16. The retention pipe 9 is spirally coiled on the outside of the furnace chamber 5. The exhaust pipe 10 extends to the outside of the furnace shell body 1, the output end of the air pump 11 is connected to the retention pipe 9, the two groups of the suction heads 13 are symmetrically arranged, the connecting rod 15 is rotatably connected to the slider 17, and the slider 17 is slidably connected to the limit rod 16. Under the setting of the protective plate 14 and the protective layer 6, the furnace shell body 1 can be protected. When a collision occurs, the protective plate 14 causes the connecting rod 15 to move, and the movement of the connecting rod 15 causes the slider 17 to move. Under the limitation of the limit rod 16, the slider 17 slides along the limit rod 16 to compress the buffer spring 18, thereby weakening the collision impact force and protecting the furnace shell body 1.

[0022] like Figure 1 and Figure 4As shown, the use component 4 includes an instrument panel 20, a knob switch 21, multiple groups of heating tubes 22 and a furnace door 23. The instrument panel 20 is embedded in the side wall of the control box 2, the knob switch 21 is rotatably installed on the side wall of the control box 2, multiple groups of heating tubes 22 are evenly distributed and installed on the inner wall of the furnace 5, and the furnace door 23 is rotatably installed on the side wall of the furnace shell body 1 through a hinge. The instrument panel 20 can be used to display the temperature, pressure, etc. in the furnace 5 to avoid dangerous situations. The heating tubes 22 can be used to heat the furnace 5 to complete the processing of metal materials. The furnace 5 can be opened and closed by the furnace door 23.

[0023] The utility model provides a furnace shell for a box-type furnace, and the specific working principle is as follows:

[0024] When the box-type furnace shell is used, the protective component 3 is provided. When the smoke in the furnace 5 is discharged, the smoke enters the retention pipe 9 from the smoke exhaust pipe 8 and is finally discharged from the discharge pipe 10. Under the setting of the retention pipe 9, the smoke is retained in the retention pipe 9 for a long time, and the heat carried by the smoke can be recovered and reused. When the furnace door 23 is opened, the air pump 11 can suck the gas at the furnace door 23 into the retention pipe 9 through the suction head 13, complete the absorption of the heat at the furnace door 23, avoid the loss of a large amount of heat in the furnace 5, and reduce Energy consumption, when the furnace shell body 1 is hit, the protective plate 14 causes the connecting rod 15 to move, and the connecting rod 15 drives the slider 17 to slide along the limit rod 16, and the slider 17 can squeeze the buffer spring 18 to weaken the impact force and protect the furnace shell body 1. By providing the use component 4, the instrument panel 20 can display the temperature and pressure in the furnace 5 to avoid dangerous situations. The heating tube 22 can heat the furnace 5 to complete the processing of metal materials, and the furnace door 23 can open and close the furnace 5.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A furnace shell for a box-type furnace, characterized in that: The invention comprises a furnace shell body (1), a control box (2), a protection component (3) and a use component (4), wherein the control box (2) is mounted on the top of the furnace shell body (1) by means of bolts, the protection component (3) is mounted inside the furnace shell body (1), and the use component (4) is mounted on the side wall of the furnace shell body (1); The protection component (3) comprises a furnace (5), a protection layer (6), a heat insulation layer (7), a smoke exhaust pipe (8), a retention pipe (9), an exhaust pipe (10), two groups of air pumps (11) and a protection part (12); the furnace (5) is arranged in a furnace shell body (1); the protection layer (6) is embedded in the furnace shell body (1); the heat insulation layer (7) is embedded in the furnace shell body (1) and is located on one side of the protection layer (6); the smoke exhaust pipe (8) is penetrated and installed at both ends of the furnace (5); the retention pipe (9) is installed at one end of the smoke exhaust pipe (8); the exhaust pipe (10) is installed at one end of the retention pipe (9); the two groups of air pumps (11) are symmetrically installed on the side wall of the furnace shell body (1); and the protection part (12) is installed on the side wall of the furnace shell body (1).

2. The furnace shell for a box-type furnace according to claim 1, characterized in that: The protection part (12) comprises an air suction head (13), a plurality of groups of protection plates (14), two groups of connecting rods (15), a plurality of groups of limiting rods (16), two groups of sliders (17) and a buffer spring (18); the air suction head (13) is mounted on the input end of the air pump (11); the plurality of groups of protection plates (14) are mounted on one side of the furnace shell body (1); the two groups of connecting rods (15) are rotatably mounted on the side walls of the protection plates (14); the plurality of groups of limiting rods (16) are symmetrically mounted on the side walls of the furnace shell body (1); the two groups of sliders (17) are symmetrically sleeved on the outside of the limiting rods (16); and the buffer spring (18) is sleeved on the outside of the limiting rods (16).

3. The furnace shell for a box-type furnace according to claim 1, characterized in that: The retention pipe (9) is spirally coiled outside the furnace (5), the discharge pipe (10) extends to the outside of the furnace shell body (1), and the output end of the air pump (11) is connected to the retention pipe (9).

4. The furnace shell for a box-type furnace according to claim 2, characterized in that: The two groups of suction heads (13) are symmetrically arranged, the connecting rod (15) is rotatably connected to the slider (17), and the slider (17) is slidably connected to the limit rod (16).

5. The furnace shell for a box-type furnace according to claim 1, characterized in that: A plurality of groups of supporting feet (19) are symmetrically mounted on the bottom end of the furnace shell body (1) via bolts, and a rubber protective sleeve is sleeved on the bottom of the supporting feet (19).

6. The furnace shell for a box-type furnace according to claim 1, characterized in that: The use component (4) comprises an instrument panel (20), a knob switch (21), a plurality of groups of heating tubes (22) and a furnace door (23); the instrument panel (20) is embedded in the side wall of the control box (2); the knob switch (21) is rotatably mounted on the side wall of the control box (2); the plurality of groups of heating tubes (22) are evenly distributed and mounted on the inner wall of the furnace chamber (5); and the furnace door (23) is rotatably mounted on the side wall of the furnace shell body (1) via a hinge.

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