CN219913994U - Energy-saving heat treatment furnace - Google Patents

Abstract

The utility model provides an energy-saving heat treatment furnace, which comprises a furnace body, an air exchanging box and a fan, wherein the upper parts of two sides of the furnace body are respectively and correspondingly provided with an air supply opening and an air suction opening, the air supply opening is communicated with an air outlet of the fan, and an air inlet of the fan is correspondingly communicated with one side of the air exchanging box; the air exchanging box is respectively connected with a first air pipe and a second air pipe, the first air pipe is communicated with the outside air, the second air pipe is communicated with an air outlet of the furnace body, a rotatable wind shield is correspondingly arranged in the air exchanging box, and the first air pipe or the second air pipe can be plugged by adjusting the wind shield. The utility model not only realizes the cyclic utilization of hot air in the furnace and accelerates the temperature rising speed in the furnace, so that the heating in the furnace is more uniform, but also accelerates the heat dissipation speed in the furnace, effectively shortens the heat dissipation time, and has flexible and convenient integral use, good reliability and strong practicability.

Description

Energy-saving heat treatment furnace

Technical Field

The utility model belongs to the technical field of heat treatment furnaces, and particularly relates to an energy-saving heat treatment furnace.

Background

The heat treatment furnace refers to an electric furnace or a fuel furnace for heat treatment and heating of furnace burden. The conventional heat treatment furnaces include a box-type resistance furnace, a well-type resistance furnace, a gas carburizing furnace, a salt bath furnace, etc., and the heat treatment furnace type and the structure of the heat treatment furnace are various due to the variety of heat treatment process types and the shape and the size of the heat treatment workpiece, and when in operation, the workpiece is continuously loaded from a charging door, continuously unloaded from a discharging door through a hearth. The common conveying mode in the furnace is to load the workpiece on a heat-resistant steel guide rail, and the workpiece is conveyed by a stepping type movable beam or a push rod, so that the furnace is convenient to use and wide in application.

The utility model provides a heat treatment furnace, there are some problems when using, for example, chinese patent application number is CN 202121236515.3's application discloses a heat treatment furnace, including the heat treatment furnace body, be equipped with the furnace gate on the heat treatment furnace body, the bottom of heat treatment furnace is equipped with the stabilizer blade, be equipped with the roating seat in the heat treatment furnace body, the fixed driving motor that is equipped with in middle part of heat treatment furnace body lower surface, driving motor's output and roating seat lower surface are connected, it is connected with the lead screw to rotate on the roating seat, the one end fixedly connected with hand wheel of lead screw, the lead screw left and right sides is equipped with the screw thread section that the screw thread is different, the left and right sides of lead screw is threaded connection respectively has the slide, the fixed splint that is equipped with on the slide, the upper surface of roating seat is equipped with the spout that corresponds each other with the slide, the left side top in the heat treatment furnace body is equipped with temperature sensor, the right side top of heat treatment furnace body is equipped with the heating nozzle, the right side bottom of heat treatment furnace body is provided with refrigeration subassembly, heat recovery and the subassembly is established in the outside of heat treatment furnace body. Taking the heat treatment furnace as an example, when the conventional heat treatment furnace is used, electric energy or fuel is needed to heat the interior of the furnace to a preset temperature, the heating speed is relatively low, and the energy consumption is high; after the use, the furnace door is generally opened to dissipate heat, the heat dissipation time is relatively long, and the whole use is inconvenient. Accordingly, there is a need for an improvement to solve the above-mentioned problems.

Disclosure of Invention

1. Object of the utility model

Aiming at the technical problems, the utility model provides the energy-saving heat treatment furnace, which not only realizes the cyclic utilization of hot air in the furnace and accelerates the temperature rising speed in the furnace, so that the heating in the furnace is more uniform, but also accelerates the heat dissipation speed in the furnace, effectively shortens the heat dissipation time, and has flexible and convenient overall use, good reliability and strong practicability.

2. Technical proposal

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: the energy-saving heat treatment furnace comprises a furnace body, an air exchanging box and a fan, wherein an air supply opening and an air suction opening are respectively and correspondingly arranged on the upper parts of two sides of the furnace body, the air supply opening is communicated with an air outlet of the fan, and an air inlet of the fan is correspondingly communicated with one side of the air exchanging box; the air exchanging box is respectively connected with a first air pipe and a second air pipe, the first air pipe is communicated with an air outlet of the furnace body, the second air pipe is communicated with the outside air, a rotatable wind shield is correspondingly arranged in the air exchanging box, and the first air pipe or the second air pipe can be plugged by adjusting the wind shield.

The further improvement is that: the first air pipe and the second air pipe are respectively positioned on two side walls which are mutually vertical on the air exchanging box, rotatable rotating rods are correspondingly arranged at the connecting positions of the two side walls in the air exchanging box, and one side of the wind shield is correspondingly connected with the rotating rods; one end of the rotating rod extends out of the air exchanging box and is correspondingly connected with a deflector rod, two groups of limiting assemblies are arranged at corresponding positions on the outer wall of the air exchanging box, and when the air deflector rotates to plug the first air pipe or the second air pipe, the deflector rod can be limited and fixed through the two groups of limiting assemblies respectively.

The further improvement is that: the driving lever is connected to the rotating lever, and the other end of the driving lever is correspondingly provided with a through hole; the limiting assembly comprises a fixed loop bar, a ball head and a spring, wherein the end part of the fixed loop bar is fixed at a position corresponding to the outer wall of the air exchanging box, one end of the ball head is slidably arranged in the fixed loop bar, and the end part of the ball head is correspondingly connected with the outer wall of the air exchanging box in the fixed loop bar through the spring; when the wind shield rotates to plug the first air pipe, the ball heads of one group of limiting components can be correspondingly clamped into the through holes of the deflector rod; when the wind shield rotates to plug the second air pipe, the ball heads of the other group of limiting assemblies can be correspondingly clamped into the through holes of the deflector rod.

The further improvement is that: and one side of the top end of the second air pipe is hinged with a cover plate, and the cover plate can seal and block the pipe orifice of the second air pipe.

The further improvement is that: the upper portion corresponds to be equipped with the filter screen board in the second tuber pipe, the second tuber pipe upper portion is equipped with the boss on the inner wall all around correspondingly, the filter screen board corresponds to set up on the boss.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

according to the utility model, the air exchanging box and the fan are arranged at the top of the furnace body, the air outlet of the fan is communicated with the air outlet at one side of the inner furnace barrel, the air inlet of the fan is respectively communicated with the other side of the inner furnace barrel or the outside air through the air exchanging box, the wind shielding plate which can be adjusted in a rotating way is arranged in the air exchanging box, when the heat treatment furnace works and heats up, the wind shielding plate is adjusted to seal up the second air pipe which is communicated with the outside air, and the fan can be used for extracting hot air in the furnace from the first air pipe at one side of the furnace body and circularly feeding the hot air into the furnace body from the other side, so that the cyclic utilization of the hot air in the furnace is realized, the heating speed in the furnace is accelerated, and the flow of the hot air also enables the heating in the furnace to be more uniform; when heat treatment furnace work is finished and then heat is dissipated, the first air pipe communicated with the air outlet of the furnace body is plugged by the adjusting wind shield, and external low-temperature air is sucked from the second air pipe by the fan and correspondingly fed into the furnace body, so that the heat dissipation speed in the furnace is accelerated, the heat dissipation time is effectively shortened, and the whole heat dissipation device is flexible and convenient to use.

In addition, when the wind deflector rotates to plug the first air pipe or the second air pipe, the ball head which can elastically stretch on the corresponding set of limiting components is clamped into the through hole of the deflector rod by utilizing the cooperation of the deflector rod and the two sets of limiting components, so that the deflector rod can be limited and fixed at two working positions through the two sets of limiting components respectively, and the use reliability of the wind deflector is ensured. The filter screen plate arranged at the upper part in the second air pipe can also play a role in filtering when the outside air is sucked, so that large-particle impurities and dust are prevented from entering; the apron of second tuber pipe top one side articulated installation also can cover the second tuber pipe mouth of pipe when the second tuber pipe is out of service, avoids advancing grey, and its overall design is ingenious, convenient to use, and the practicality is strong.

Drawings

FIG. 1 is a schematic view showing the overall structure of a heat treatment furnace according to the present utility model;

FIG. 2 is an enlarged schematic cross-sectional view of a blow box according to the present utility model;

FIG. 3 is an enlarged schematic view of the installation of the lever of the present utility model;

fig. 4 is an enlarged schematic cross-sectional view of the spacing assembly of the present utility model.

Reference numerals

1. A furnace body; 101. an air supply port; 2. a wind exchanging box; 3. a first air duct; 4. a blower; 5. a first connection pipe; 6. a second air duct; 7. a deflector rod; 701. a through hole; 8. a wind deflector; 9. a rotating lever; 10. a cover plate; 11. a screen plate; 12. a boss; 13. a limit component; 1301. fixing the loop bar; 1302. ball head; 1303. and (3) a spring.

Detailed Description

In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which, however, the utility model may be embodied in many different forms and are not limited to the embodiments described herein, but are instead provided for the purpose of providing a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Examples

Referring to fig. 1-4, an energy-saving heat treatment furnace of the embodiment comprises a furnace body 1, a wind exchanging box 2 and a fan 4, wherein the fan 4 can adopt an existing centrifugal fan, and the wind exchanging box 2 and the fan 4 are correspondingly arranged at the top of the furnace body 1. The upper parts of two sides of the furnace body 1 are respectively and correspondingly provided with an air supply opening 101 and an air suction opening, the air supply opening 101 is communicated with an air outlet of the fan 4 through a second connecting pipe, an air inlet of the fan 4 is correspondingly communicated with one side of the air exchanging box 2 through a first connecting pipe 5, and a control valve can be correspondingly arranged on the second connecting pipe. The air exchanging box 2 is respectively connected with a first air pipe 3 and a second air pipe 6, the first air pipe 3 is communicated with an air outlet of the furnace body 1, the second air pipe 6 is communicated with the outside air, a rotatable wind shield 8 is correspondingly arranged in the air exchanging box 2, the size of the wind shield 8 corresponds to the size of the inner side wall of the air exchanging box 2, the first air pipe 3 or the second air pipe 6 can be plugged by adjusting the wind shield 8, thereby selectively providing cold air or hot air to the furnace body 1, and effectively realizing the selective supply of the cold air and the hot air.

According to the embodiment, the air exchanging box 2 and the air blower 4 are arranged at the top of the furnace body 1, the air baffle 8 capable of being adjusted in a rotating mode is arranged in the air exchanging box 2, when the heat treatment furnace works and heats up, the air baffle 8 is adjusted to seal the second air pipe 6 communicated with external air, and hot air in the furnace can be pumped out from the first air pipe 3 on one side of the furnace body 1 and circularly fed into the furnace body 1 from the air supply opening 101 on the other side by the aid of the air blower 4, so that the hot air in the furnace can be recycled, the heating speed in the furnace is accelerated, and the heat in the furnace is uniformly heated due to the flowing of the hot air. When heat treatment furnace work is finished and then heat is dissipated, the first air pipe 3 communicated with the air outlet of the furnace body 1 is blocked by the adjusting wind shield 8, and external low-temperature air is sucked from the second air pipe 6 by the fan 4 and correspondingly fed into the furnace body 1, so that the heat dissipation speed in the furnace is accelerated, the heat dissipation time is effectively shortened, and the whole heat dissipation furnace is flexible and convenient to use.

The first air pipe 3 and the second air pipe 6 are respectively positioned on two side walls of the air exchanging box 2, which are mutually vertical; rotatable rotating rods 9 are correspondingly arranged at the connecting positions of the side walls of the two sides in the air exchanging box 2, and one side of the wind shield 8 is correspondingly connected with the rotating rods 9. One end of the rotating rod 9 extends out of the air exchanging box 2 and then is correspondingly connected with a deflector rod 7, two groups of limiting assemblies 13 are arranged at corresponding positions on the outer wall of the air exchanging box 2, and when the wind shield 8 rotates to seal the first air pipe 3 or the second air pipe 6, the deflector rod 7 can be limited and fixed through the two groups of limiting assemblies 13 respectively. Specifically, the shift lever 7 is connected to the rotating lever 9, and a through hole 701 is correspondingly provided at the other end of the shift lever 7. The second air pipes 6 are correspondingly arranged at the top of the air exchanging box 2, and the first air pipes 3 and the first connecting pipes 5 are respectively arranged at two opposite sides of the air exchanging box 2. The two sets of limiting assemblies 13 are respectively positioned on one side of the rotating rod 9 horizontally and below the vertical position of the rotating rod 9. The limiting component 13 comprises a fixed loop bar 1301, a ball head 1302 and a spring 1303, wherein loop bar structures penetrate through two sides of the fixed loop bar 1301, the end part of the fixed loop bar 1301 is fixed at a position corresponding to the outer wall of the air exchanging box 2, one end of the ball head 1302 is slidably mounted in the fixed loop bar 1301, and the end part of the ball head 1302 is correspondingly connected with the outer wall of the air exchanging box 2 in the fixed loop bar 1301 through the spring 1303. When the wind shield 8 rotates to block the first air pipe 3, the ball head 1302 of one group of limiting components 13 can be correspondingly clamped into the through hole 701 of the deflector rod 7; when the wind deflector 8 rotates to block the second air duct 6, the ball heads 1302 of the other group of limiting assemblies 13 can be correspondingly clamped into the through holes 701 of the deflector rod 7. In this embodiment, through the cooperation of the deflector 7 and the two sets of limiting assemblies 13, when the wind deflector 8 rotates to plug the first wind pipe 3 or the second wind pipe 6, the ball head 1302 which can elastically stretch on the corresponding set of limiting assemblies 13 is used to clamp into the through hole 701 of the deflector 7, so that the deflector 7 can be respectively limited and fixed through the two sets of limiting assemblies 13 in two working positions, and the reliability of the wind deflector 8 in use is ensured.

The cover plate 10 is hinged to one side of the top end of the second air pipe 6, the cover plate 10 can seal the pipe orifice of the second air pipe 6, and the cover plate 10 is arranged, so that the pipe orifice of the second air pipe 6 can be covered when the second air pipe 6 does not work, and ash inlet is avoided. The upper portion corresponds in the second tuber pipe 6 to be equipped with filter screen plate 11, the second tuber pipe 6 upper portion is equipped with boss 12 on the inner wall all around correspondingly, filter screen plate 11 corresponds to be set up on boss 12, through setting up filter screen plate 11 to can play the filtration when the outside air is inhaled to bellows 2, avoid large granule impurity and dust to get into.

It should be noted that the heat treatment furnace body 1 of the present embodiment is a conventional common apparatus, and the internal structure and the working principle thereof do not relate to the improvement points of the present utility model, and thus are not specifically described. The structure not described in the present utility model is the same as or can be realized by the prior art, and the technical matters in the prior art are huge and complicated, so that the detailed description is omitted.

The foregoing examples merely illustrate certain embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the utility model, all of which fall within the scope of protection of the utility model; accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (5)

1. Energy-saving heat treatment furnace, including furnace body (1), its characterized in that: the furnace body is characterized by further comprising an air exchanging box (2) and a fan (4), wherein an air supply opening (101) and an air suction opening are respectively and correspondingly arranged on the upper parts of the two sides of the furnace body (1), the air supply opening (101) is communicated with an air outlet of the fan (4), and an air inlet of the fan (4) is correspondingly communicated with one side of the air exchanging box (2); the novel air-exchanging box is characterized in that a first air pipe (3) and a second air pipe (6) are respectively connected to the air-exchanging box (2), the first air pipe (3) is communicated with an air outlet of the furnace body (1), the second air pipe (6) is communicated with the outside air, a rotatable wind deflector (8) is correspondingly arranged in the air-exchanging box (2), and the first air pipe (3) or the second air pipe (6) can be plugged by adjusting the wind deflector (8).

2. An energy-saving heat treating furnace according to claim 1, wherein: the first air pipe (3) and the second air pipe (6) are respectively positioned on two side walls which are mutually vertical on the air exchanging box (2), rotatable rotating rods (9) are correspondingly arranged at the connecting positions of the two side walls in the air exchanging box (2), and one side of the wind shield (8) is correspondingly connected with the rotating rods (9); one end of the rotating rod (9) extends out of the air exchanging box (2) and then is correspondingly connected with a deflector rod (7), two groups of limiting assemblies (13) are arranged at corresponding positions on the outer wall of the air exchanging box (2), and when the wind shield (8) rotates to plug the first air pipe (3) or the second air pipe (6), the deflector rod (7) can be limited and fixed through the two groups of limiting assemblies (13) respectively.

3. An energy-saving heat treating furnace according to claim 2, wherein: the driving lever (7) is connected to the rotating lever (9), and a through hole (701) is correspondingly formed in the other end of the driving lever (7); the limiting assembly (13) comprises a fixed loop bar (1301), a ball head (1302) and a spring (1303), wherein the end part of the fixed loop bar (1301) is fixed at a position corresponding to the outer wall of the air exchanging box (2), one end of the ball head (1302) is slidably arranged in the fixed loop bar (1301), and the end part of the ball head (1302) is correspondingly connected with the outer wall of the air exchanging box (2) in the fixed loop bar (1301) through the spring (1303); when the wind shield (8) rotates to plug the first air pipe (3), the ball heads (1302) of one group of limiting assemblies (13) can be correspondingly clamped into the through holes (701) of the deflector rod (7); when the wind shield (8) rotates to plug the second air pipe (6), the ball heads (1302) of the other group of limiting assemblies (13) can be correspondingly clamped into the through holes (701) of the deflector rod (7).

4. An energy-saving heat treating furnace according to claim 1, wherein: a cover plate (10) is hinged to one side of the top end of the second air pipe (6), and the cover plate (10) can seal the pipe orifice of the second air pipe (6).

5. An energy-saving heat treating furnace according to claim 1, wherein: the upper portion corresponds in second tuber pipe (6) is equipped with filter screen board (11), the upper portion is equipped with boss (12) on the inner wall all around corresponds in second tuber pipe (6), filter screen board (11) are set up on boss (12) correspondingly.