Waste heat recovery device of heat treatment vacuum furnace

Abstract

The invention discloses a heat treatment vacuum furnace waste heat recovery device, and relates to the technical field of waste heat recovery devices. The heat treatment device comprises a heat treatment assembly, the heat treatment assembly comprises a furnace body, the bottom surface of the furnace body is fixedly connected with a water storage base, the interior of the furnace body is fixedly connected with a concave heat insulation plate, a heat insulation table is arranged in the furnace body and located below the concave heat insulation plate, and the top surface of the heat insulation table is fixedly connected with a strip-shaped plate. A lifting assembly and a heat recovery assembly are arranged in the water storage base, the lifting assembly comprises a shell, the heat recovery assembly comprises a cavity, and the cavity is located above the shell; according to the heat treatment furnace, after heat treatment is completed, a large amount of heat exists in the furnace cavity, waste heat can be recycled through the arranged heat recycling assembly, waste is avoided, and the vertical cylinder can be conveniently lifted into the furnace cavity of the furnace body so that waste heat recycling operation can be conducted.

Description

Technical Field

[0001] The invention relates to the technical field of waste heat recovery devices, in particular to a waste heat recovery device for a heat treatment vacuum furnace. Background Art

[0002] Heat treatment refers to a metal heat processing process in which the material is heated, kept warm and cooled in a solid state to obtain the expected structure and performance. Currently, after completing the heat treatment, there is a large amount of heat inside the furnace chamber that needs to be cooled down. Direct cooling without recycling the heat will cause waste. In view of the above problems, the inventor proposes a waste heat recovery device for a heat treatment vacuum furnace to solve the above problems. Summary of the invention

[0003] In order to solve the problem that after the heat treatment is completed, there is a large amount of heat inside the furnace chamber that needs to be cooled down, and directly cooling it with cold air without recycling the heat will cause waste; the purpose of the present invention is to provide a waste heat recovery device for a heat treatment vacuum furnace.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solution: a waste heat recovery device for a heat treatment vacuum furnace, including a heat treatment component, the heat treatment component includes a furnace body, the bottom surface of the furnace body is fixedly connected to a water storage seat, a lifting component and a heat recovery component are arranged in the water storage seat, the lifting component includes a shell, the heat recovery component includes a chamber, and the chamber is located above the shell.

[0005] Preferably, the furnace mouth of the furnace body is detachably provided with a sealing cover, the interior of the furnace body is fixedly connected with a concave heat insulation plate, an insulation platform is provided inside the furnace body and below the concave heat insulation plate, a strip plate is fixedly connected to the top surface of the insulation platform, and a drainage hole is penetrated through the side wall of the strip plate, there are two insulation platforms, the two insulation platforms correspond to and cooperate with each other, and when heat treatment is required for an object, the two insulation platforms correspond to each other, and a mouth shape is formed by the two insulation platforms and the concave heat insulation plate, so that the heating zone inside the furnace body is sealed, so that heat treatment operation is performed on the object, the object to be processed is placed on the insulation platform, and the object can be supported by the strip plate, there are several strip plates, and a distance is left between the several strip plates, so that the objects on the strip plates can be taken and placed by a forklift, and the side walls of the strip plates are penetrated A drainage hole is provided to facilitate the flow of water through the strip plate when waste heat is recovered later. The two heat insulation platforms and the concave heat insulation plate form a mouth shape. Cavity plates are fixedly connected to both sides of the bottom surface of the furnace body. The side walls of the cavity plates are provided with cavity openings. An electric cylinder is hinged in the cavity opening. The electric cylinder includes a telescopic shaft. A movable plate is hinged at one end of the telescopic shaft away from the electric cylinder. A hinge is provided on the end surface of the movable plate. The movable end surface of the hinge is fixedly connected to the side wall of the cavity plate. The top surface of the movable plate is fixedly connected to the bottom surface of the heat insulation platform. The cavity plate is located in the water storage seat. After the heat treatment is completed, there is a large amount of heat inside the furnace cavity. The electric cylinder is started. Under the action of the telescopic shaft and the cooperation of the hinge, the movable plate can drive the heat insulation platform to rotate until the two heat insulation platforms are in an open shape, so that the heat recovery component can be extended into the furnace cavity of the furnace body later.

[0006] Preferably, a pad is fixedly connected to the middle part of the top surface of the shell, the bottom surface of the chamber is fixedly connected to the top surface of the pad, a first motor is arranged inside the shell, a worm is fixedly connected to the output shaft end of the first motor, a worm wheel is meshed with the side wall of the worm, a first transverse axis is inserted and fixedly connected to the middle part of the side wall of the worm wheel, both shaft ends of the first transverse axis are fixedly connected to the first bevel gear, a base is arranged on the side wall of the first motor, the base is fixedly connected to the inner wall of the shell, the first transverse axis runs through the shell, and the first transverse axis is rotatably connected to the shell, a second bevel gear is meshed with the side wall of the first bevel gear, a rotating shaft is inserted and fixedly connected to the middle part of the side wall of the second bevel gear, a side wall of the rotating shaft is rotatably sleeved with a bearing seat, the bearing seat is fixedly connected to the outer wall of the shell, and both shaft ends of the rotating shaft are fixedly connected to a transmission gear The inner wall of the water storage seat is fixedly connected with a vertical plate, and the side wall of the vertical plate is fixedly connected with a toothed plate, and the transmission gear corresponds to and meshes with the toothed plate, and the side wall of the shell is fixedly connected with a guide plate, and the inner wall of the water storage seat is provided with a guide groove, and the guide plate is located in the guide groove, and the guide plate is slidably connected to the guide groove. After the heat insulation platform is opened, the first motor is started, and the worm rotates under the action of the output shaft of the first motor, and the mutual meshing of the worm and the worm wheel can make the first horizontal axis drive the first bevel gear to rotate, and the mutual meshing of the first bevel gear and the second bevel gear can make the rotating shaft drive the transmission gear to rotate, and the mutual meshing of the transmission gear and the toothed plate, and the cooperation of the guide plate and the guide groove can make the shell rise, and then the vertical cylinder can be lifted into the furnace cavity of the furnace body to perform waste heat recovery operation.

[0007] Preferably, a vertical cylinder is inserted and fixedly connected to the top surface of the chamber, a convex cavity is fixedly connected to the top of the vertical cylinder, a dust-proof net is fixedly connected to the cavity mouth of the convex cavity, a second motor is arranged in the chamber, an output shaft end of the second motor is fixedly connected to a vertical shaft, the vertical shaft is located in the vertical cylinder, an axial end of the vertical shaft is fixedly connected to an induced draft fan, the induced draft fan is located in the cavity mouth of the convex cavity, a support plate is rotatably connected to the side wall of the vertical shaft, the support plate is fixedly connected to the inner wall of the vertical cylinder, a smoke outlet pipe is inserted and fixedly connected to the lower part of the side wall of the water storage seat, an inlet and outlet water pipe is inserted and fixedly connected to the lower part of the side wall of the water storage seat and on one side of the smoke outlet pipe, a bellows is inserted and fixedly connected to the side wall of the chamber, and an end of the bellows away from the chamber is fixed to the pipe mouth of the smoke outlet pipe. The gear train is connected to the gear of the first transmission gear and the gear train is connected to the gear of the first transmission gear, and the gear train is connected to the gear of the first transmission gear and the gear train is connected to the gear of the second transmission gear. The fixing frame is fixedly connected to the outer wall of the vertical cylinder, a convex plate is fixedly connected to a side of the second horizontal cylinder facing away from the connecting plate, a cylinder is fixedly connected to a side of the convex plate facing away from the second horizontal cylinder, a water spray head is inserted and fixedly connected to a side of the cylinder facing away from the convex plate, a water supply pipe is inserted and fixedly connected to an end face of the cylinder, and an output end of the water supply pipe is fixedly connected to an input end of the water spray head, a housing of the second motor is fixed to the inner wall of the chamber, the second motor is started, and the vertical shaft rotates under the action of the output shaft of the second motor, thereby rotating the third bevel gear, and the third bevel gear and the fourth bevel gear are meshed with each other, so that the second horizontal shaft can rotate, and then the turntable can rotate, and the first horizontal cylinder can be rotated under the action of the convex column. The movable rod is pushed to move, and the second horizontal cylinder can rotate back and forth on the horizontal cylinder through the connecting plate and the cross rod, and then the cylinder body can rotate back and forth under the action of the convex plate to increase the water spraying area of ​​the sprinkler head, so that the water liquid contacts multiple areas of the furnace cavity, and the waste heat recovery efficiency is improved. At the same time, when the vertical axis rotates, the induced draft fan can rotate under the action of the vertical axis to recover the high-temperature flue gas generated when the water liquid is heated. The recovered flue gas enters the vertical cylinder through the induced draft fan, and then enters the corrugated pipe. The smoke outlet pipe is used to connect with the workshop heating pipe. The high-temperature smoke enters the workshop heating pipe through the smoke outlet pipe for heating. The heated water drops into the water storage seat through the insulation platform.The heated water in the water storage seat can be taken out through the water inlet and outlet pipes.

[0008] Compared with the prior art, the present invention has the following beneficial effects:

[0009] 1. In the present invention, after the heat treatment is completed, there is a large amount of heat inside the furnace cavity. The waste heat can be recycled and utilized by the heat recovery component to avoid waste. When the second motor is started, the provided cylinder can rotate back and forth, thereby increasing the water spraying area of ​​the water spray head, so that the water liquid contacts multiple areas of the furnace cavity, and the waste heat recovery efficiency is improved. At the same time, the induced draft fan can rotate to recover the high-temperature flue gas generated when the water liquid is heated. The high-temperature flue gas can enter the workshop heating pipe through the smoke outlet pipe to provide heat. The heated water liquid can fall into the water storage seat through the heat insulation platform, and the heated water liquid in the water storage seat can be taken through the water inlet and outlet pipes;

[0010] 2. The present invention is provided with a lifting assembly. When the heat treatment is completed and the two heat insulation platforms are in an open shape, the shell can be lifted by starting the first motor, and then the vertical cylinder can be lifted into the furnace cavity of the furnace body to perform waste heat recovery operations;

[0011] 3. In the present invention, a movable heat-insulating platform is provided in the furnace cavity of the furnace body. When heat treatment is required for an object, a U-shaped portion can be formed by the heat-insulating platform and the concave heat-insulating plate, so that the heating area inside the furnace body is sealed to perform heat treatment on the object. After the heat treatment is completed, the two heat-insulating platforms are opened to facilitate the subsequent extension of the heat recovery component into the furnace cavity of the furnace body to perform heat recovery. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0014] Figure 2 It is a schematic diagram of the internal structure of the furnace body of the present invention.

[0015] Figure 3 It is a schematic diagram of the internal structure of the water storage seat of the present invention.

[0016] Figure 4 It is a schematic diagram of the structure of the heat recovery component of the present invention.

[0017] Figure 5 This is an enlarged view of point A of the present invention.

[0018] Figure 6 It is an enlarged view of point B of the present invention.

[0019] Figure 7 It is an enlarged view of point C of the present invention.

[0020] In the figure: 1, heat treatment component; 2, lifting component; 3, heat recovery component; 101, furnace body; 102, water storage seat; 103, sealing cover; 104, concave insulation board; 105, insulation platform; 106, strip plate; 107, cavity plate; 108, electric cylinder; 109, telescopic shaft; 110, movable plate; 111, hinge; 112, vertical plate; 113, tooth plate; 201, housing; 202, first motor; 203, worm; 204, worm wheel; 205, base; 206, first horizontal axis; 207, first bevel gear; 208, second bevel gear; 209, rotating shaft; 210 , transmission gear; 211, pad; 301, chamber; 302, vertical tube; 303, convex cavity; 304, dustproof net; 305, second motor; 306, vertical axis; 307, induced fan; 308, bellows; 309, smoke outlet pipe; 310, water inlet and outlet pipes; 311, third bevel gear; 312, fourth bevel gear; 313, second horizontal axis; 314, turntable; 315, convex column; 316, first horizontal tube; 317, movable rod; 318, connecting plate; 319, second horizontal tube; 320, cross bar; 321, convex plate; 322, cylinder; 323, sprinkler head; 324, fixed frame. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Example: Figure 1-7 As shown, the present invention provides a waste heat recovery device for a heat treatment vacuum furnace, including a heat treatment component 1, wherein the heat treatment component 1 includes a furnace body 101, a water storage seat 102 is fixedly connected to the bottom surface of the furnace body 101, a lifting component 2 and a heat recovery component 3 are arranged in the water storage seat 102, the lifting component 2 includes a shell 201, and the heat recovery component 3 includes a chamber 301, and the chamber 301 is located above the shell 201.

[0023] The furnace mouth of the furnace body 101 is detachably provided with a sealing cover 103, the interior of the furnace body 101 is fixedly connected with a concave heat insulation plate 104, and an insulation platform 105 is provided inside the furnace body 101 and below the concave heat insulation plate 104, the top surface of the insulation platform 105 is fixedly connected with a strip plate 106, and the side wall of the strip plate 106 is penetrated with a drainage hole, and there are two insulation platforms 105, which correspond to and cooperate with each other.

[0024] By adopting the above technical solution, when the object needs to be heat-treated, the two heat-insulating platforms 105 are made to correspond to each other, and a mouth shape is formed by the two heat-insulating platforms 105 and the concave heat-insulating plate 104, so that the heating area inside the furnace body 101 is sealed, so that the object can be heat-treated, and the object to be treated is placed on the heat-insulating platform 105. The object can be supported by the strip plate 106. There are several strip plates 106, and a distance is left between the several strip plates 106, so that the objects on the strip plates 106 can be taken and placed by a forklift, and the side walls of the strip plates 106 are penetrated with drainage holes to facilitate the flow of water through the strip plates 106 when the waste heat is recovered later.

[0025] The two heat insulation platforms 105 and the concave heat insulation plate 104 form a U-shape, and cavity plates 107 are fixedly connected to both sides of the bottom surface of the furnace body 101. The side walls of the cavity plates 107 are provided with cavity openings, and an electric cylinder 108 is hinged in the cavity opening. The electric cylinder 108 includes a telescopic shaft 109, and the end of the telescopic shaft 109 away from the electric cylinder 108 is hinged with a movable plate 110, and the end surface of the movable plate 110 is provided with a hinge 111. The movable end surface of the hinge 111 is fixedly connected to the side wall of the cavity plate 107, and the top surface of the movable plate 110 is fixedly connected to the bottom surface of the heat insulation platform 105. The cavity plate 107 is located in the water storage seat 102.

[0026] By adopting the above technical solution, after the heat treatment is completed, there is a large amount of heat inside the furnace cavity, and the electric cylinder 108 is started. Under the action of the telescopic shaft 109 and the cooperation of the hinge 111, the movable plate 110 can drive the insulation platform 105 to rotate until the two insulation platforms 105 are in an open shape, so that the heat recovery component 3 can be subsequently extended into the furnace cavity of the furnace body 101.

[0027] A support 211 is fixedly connected to the middle of the top surface of the shell 201, and the bottom surface of the chamber 301 is fixedly connected to the top surface of the support 211. A first motor 202 is arranged inside the shell 201, and a worm 203 is fixedly connected to the output shaft end of the first motor 202. A worm wheel 204 is meshed with the side wall of the worm 203, and a first transverse axis 206 is inserted and fixedly connected to the middle of the side wall of the worm wheel 204, and both shaft ends of the first transverse axis 206 are fixedly connected to the first bevel gear 207. A base 205 is arranged on the side wall of the first motor 202, and the base 205 is fixedly connected to the inner wall of the shell 201. 6 runs through the shell 201, and the first horizontal axis 206 is rotatably connected to the shell 201, the side wall of the first bevel gear 207 is meshed with the second bevel gear 208, and the middle of the side wall of the second bevel gear 208 is inserted and fixedly connected with a rotating shaft 209, the side wall of the rotating shaft 209 is rotatably sleeved with a bearing seat, and the bearing seat is fixedly connected to the outer wall of the shell 201, and the two ends of the rotating shaft 209 are fixedly connected with a transmission gear 210, the inner side wall of the water storage seat 102 is fixedly connected with a vertical plate 112, and the side wall of the vertical plate 112 is fixedly connected with a tooth plate 113, and the transmission gear 210 corresponds to and meshes with the tooth plate 113.

[0028] By adopting the above technical solution, the side wall of the shell 201 is fixedly connected with a guide plate, and the inner wall of the water storage seat 102 is provided with a guide groove, the guide plate is located in the guide groove, and the guide plate is slidably connected to the guide groove. After the heat insulation platform 105 is opened, the first motor 202 is started, and the worm 203 rotates under the action of the output shaft of the first motor 202. The mutual engagement of the worm 203 and the worm wheel 204 can make the first horizontal axis 206 drive the first bevel gear 207 to rotate, and the mutual engagement of the first bevel gear 207 and the second bevel gear 208 can make the rotating shaft 209 drive the transmission gear 210 to rotate, and the mutual engagement of the transmission gear 210 and the tooth plate 113, and the cooperation of the guide plate and the guide groove, the shell 201 can be lifted, and then the vertical cylinder 302 can be lifted into the furnace cavity of the furnace body 101 to perform waste heat recovery operations.

[0029] The top surface of the chamber 301 is fixedly connected with a vertical cylinder 302, the top of the vertical cylinder 302 is fixedly connected with a convex cavity 303, the cavity opening of the convex cavity 303 is fixedly connected with a dustproof net 304, a second motor 305 is arranged in the chamber 301, the output shaft end of the second motor 305 is fixedly connected with a vertical shaft 306, the vertical shaft 306 is located in the vertical cylinder 302, the shaft end of the vertical shaft 306 is fixedly connected with an exhaust fan 307, the exhaust fan 307 is located in the cavity opening of the convex cavity 303, the side wall of the vertical shaft 306 is rotatably connected with a support plate, and the support plate is fixedly connected to the inner wall of the vertical cylinder 302. A smoke outlet pipe 309 is inserted and fixedly connected to the lower part of the side wall of the water storage seat 102, and an inlet and outlet water pipe 310 is inserted and fixedly connected to the lower part of the side wall of the water storage seat 102 and on one side of the smoke outlet pipe 309. A bellows 308 is inserted and fixedly connected to the side wall of the chamber 301, and one end of the bellows 308 away from the chamber 301 is fixedly connected to the pipe mouth of the smoke outlet pipe 309. A third bevel gear 311 is fixedly sleeved on the side wall of the vertical shaft 306. A second horizontal shaft 313 is inserted and rotatably connected to the side wall of the vertical cylinder 302, and one end of the second horizontal shaft 313 is fixedly connected to a fourth bevel gear 312. The second horizontal shaft 313 is fixedly connected to the fourth bevel gear 312. The other end of 313 is fixedly connected to a rotating disk 314, the fourth bevel gear 312 is meshed with the third bevel gear 311, the side wall edge of the rotating disk 314 is interlaced and rotatably connected with a boss 315, the end of the boss 315 away from the rotating disk 314 is fixedly connected to a first transverse cylinder 316, the barrel mouth of the first transverse cylinder 316 is interlaced with a movable rod 317, a second transverse cylinder 319 is provided on one side of the first transverse cylinder 316, the barrel mouth of the second transverse cylinder 319 is interlaced and rotatably connected with a cross bar 320, the side wall of the second transverse cylinder 319 is fixedly connected with a connecting plate 318, the connecting plate 318 is away from the second One end of the horizontal cylinder 319 is fixedly connected to the movable rod 317, and the rod end of the horizontal rod 320 is fixedly connected to a fixing frame 324, and the fixing frame 324 is fixedly connected to the outer wall of the vertical cylinder 302. The side of the second horizontal cylinder 319 facing away from the connecting plate 318 is fixedly connected to a convex plate 321, and the side of the convex plate 321 facing away from the second horizontal cylinder 319 is fixedly connected to a cylinder body 322, and the side of the cylinder body 322 facing away from the convex plate 321 is fixedly connected with a water spray head 323, and the end face of the cylinder body 322 is fixedly connected with a water supply pipe, and the output end of the water supply pipe is fixedly connected to the input end of the water spray head 323.

[0030] By adopting the above technical solution, the shell of the second motor 305 is fixed to the inner wall of the chamber 301, and the second motor 305 is started. The vertical shaft 306 rotates under the action of the output shaft of the second motor 305, so that the third bevel gear 311 can be rotated, and the third bevel gear 311 and the fourth bevel gear 312 are meshed with each other, so that the second horizontal shaft 313 can be rotated, and the turntable 314 can be rotated. Under the action of the convex column 315, the first horizontal cylinder 316 can push the movable rod 317 to move, and through the connecting plate 318 and the action of the cross bar 320, the second cross cylinder 319 can rotate back and forth on the cross bar 320, and then under the action of the convex plate 321, the cylinder body 3 22 rotates back and forth to increase the water spraying area of ​​the water spray head 323, so that the water liquid contacts multiple areas of the furnace cavity, thereby improving the waste heat recovery efficiency. At the same time, when the vertical shaft 306 rotates, the induced draft fan 307 can rotate under the action of the vertical shaft 306 to recover the high-temperature flue gas generated when the water liquid is heated. The recovered flue gas enters the vertical tube 302 through the induced draft fan 307, and then enters the corrugated pipe 308. The smoke outlet pipe 309 is used to be connected to the workshop heating pipe. The high-temperature flue gas enters the workshop heating pipe through the smoke outlet pipe 309 for heating. The heated water liquid falls into the water storage seat 102 through the insulation platform 105, and the heated water in the water storage seat 102 can be taken through the water inlet and outlet pipes 310.

[0031] Working principle: When the present invention is used, when an object needs to be heat-treated, the object to be treated is placed on the heat-insulating platform 105, and the object can be supported by the strip plate 106, and the two heat-insulating platforms 105 need to correspond to each other, and a square shape is formed by the two heat-insulating platforms 105 and the concave heat-insulating plate 104, so that the heating area inside the furnace body 101 is sealed, so as to perform heat treatment on the object;

[0032] Next, after the heat treatment is completed, there is a lot of heat inside the furnace chamber, and the electric cylinder 108 is started. Under the action of the telescopic shaft 109 and the cooperation of the hinge 111, the movable plate 110 can drive the heat insulation platform 105 to rotate until the two heat insulation platforms 105 are in an open shape;

[0033] Afterwards, the first motor 202 is started, and the worm 203 rotates under the action of the output shaft of the first motor 202. The worm 203 and the worm wheel 204 are meshed with each other, so that the first horizontal axis 206 can drive the first bevel gear 207 to rotate. The first bevel gear 207 and the second bevel gear 208 are meshed with each other, so that the rotating shaft 209 can drive the transmission gear 210 to rotate. The transmission gear 210 and the tooth plate 113 are meshed with each other, and the guide plate and the guide groove cooperate to lift the shell 201, and then the vertical cylinder 302 can be lifted into the furnace chamber of the furnace body 101 to perform the waste heat recovery operation.

[0034] Then, the second motor 305 is started, and the vertical shaft 306 rotates under the action of the output shaft of the second motor 305, so that the third bevel gear 311 can be rotated, and the third bevel gear 311 and the fourth bevel gear 312 are meshed with each other, so that the second horizontal shaft 313 can be rotated, and the turntable 314 can be rotated, and the first horizontal cylinder 316 can push the movable rod 317 to move under the action of the convex column 315, and the second horizontal cylinder 319 can rotate back and forth on the cross bar 320 through the connecting plate 318 and under the action of the cross bar 320, and the cylinder body 322 can rotate back and forth under the action of the convex plate 321, so as to increase the water spraying area of ​​the water spray head 323, so that the water liquid contacts multiple areas of the furnace cavity, and the waste heat recovery efficiency is improved;

[0035] At the same time, when the vertical shaft 306 rotates, the induced ventilator 307 can rotate under the action of the vertical shaft 306 to recover the high-temperature flue gas generated when the water is heated. The recovered flue gas enters the vertical tube 302 through the induced ventilator 307, and then enters the corrugated pipe 308. The smoke outlet pipe 309 is used to connect with the workshop heating pipe. The high-temperature flue gas enters the workshop heating pipe through the smoke outlet pipe 309 for heating. The heated water falls into the water storage seat 102 through the insulation platform 105, and the heated water in the water storage seat 102 can be taken through the water inlet and outlet pipes 310.

[0036] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A waste heat recovery device for a heat treatment vacuum furnace, comprising a heat treatment component (1), characterized in that: The heat treatment component (1) comprises a furnace body (101), the bottom surface of the furnace body (101) is fixedly connected to a water storage seat (102), a lifting component (2) and a heat recovery component (3) are arranged in the water storage seat (102), the lifting component (2) comprises a shell (201), and the heat recovery component (3) comprises a chamber (301), and the chamber (301) is located above the shell (201).

2. The waste heat recovery device for a heat treatment vacuum furnace according to claim 1, characterized in that: The furnace mouth of the furnace body (101) is detachably provided with a sealing cover (103); a concave heat insulation plate (104) is fixedly connected to the interior of the furnace body (101); a heat insulation platform (105) is provided inside the furnace body (101) and below the concave heat insulation plate (104); a strip plate (106) is fixedly connected to the top surface of the heat insulation platform (105); and a drainage hole is penetrated through the side wall of the strip plate (106); there are two heat insulation platforms (105), and the two heat insulation platforms (105) correspond to and cooperate with each other.

3. The waste heat recovery device for a heat treatment vacuum furnace according to claim 2, characterized in that: The two heat insulation platforms (105) and the concave heat insulation plate (104) form a square shape. Both sides of the bottom surface of the furnace body (101) are fixedly connected with cavity plates (107). The side walls of the cavity plates (107) are provided with cavity openings. An electric cylinder (108) is hinged in the cavity opening. The electric cylinder (108) comprises a telescopic shaft (109). An end of the telescopic shaft (109) away from the electric cylinder (108) is hinged with a movable plate (110). A hinge (111) is provided on the end surface of the movable plate (110). The movable end surface of the hinge (111) is fixedly connected to the side wall of the cavity plate (107). The top surface of the movable plate (110) is fixedly connected to the bottom surface of the heat insulation platform (105). The cavity plate (107) is located in the water storage seat (102).

4. The waste heat recovery device for a heat treatment vacuum furnace according to claim 1, characterized in that: A support platform (211) is fixedly connected to the middle of the top surface of the shell (201), and the bottom surface of the chamber (301) is fixedly connected to the top surface of the support platform (211). A first motor (202) is arranged inside the shell (201), and a worm (203) is fixedly connected to the output shaft end of the first motor (202). A worm wheel (204) is meshed with the side wall of the worm (203), and a first transverse axis (206) is inserted and fixedly connected to the middle of the side wall of the worm wheel (204), and both shaft ends of the first transverse axis (206) are fixedly connected to first bevel gears (207).

5. The waste heat recovery device for a heat treatment vacuum furnace according to claim 4, characterized in that: The side wall of the first motor (202) is provided with a base (205), the base (205) is fixedly connected to the inner wall of the shell (201), the first transverse axis (206) passes through the shell (201), and the first transverse axis (206) is rotatably connected to the shell (201), the side wall of the first bevel gear (207) is meshed with a second bevel gear (208), a rotating shaft (209) is inserted and fixedly connected to the middle of the side wall of the second bevel gear (208), the side wall of the rotating shaft (209) is rotatably sleeved with a bearing seat, the bearing seat is fixedly connected to the outer wall of the shell (201), and both shaft ends of the rotating shaft (209) are fixedly connected to transmission gears (210).

6. The waste heat recovery device for a heat treatment vacuum furnace according to claim 5, characterized in that: The inner side wall of the water storage seat (102) is fixedly connected to a vertical plate (112), the side wall of the vertical plate (112) is fixedly connected to a toothed plate (113), and the transmission gear (210) corresponds to and meshes with the toothed plate (113).

7. The waste heat recovery device for a heat treatment vacuum furnace according to claim 1, characterized in that: A vertical cylinder (302) is inserted and fixedly connected to the top surface of the chamber (301), a convex chamber (303) is fixedly connected to the top of the vertical cylinder (302), a dustproof net (304) is fixedly connected to the cavity opening of the convex cavity (303), a second motor (305) is arranged in the chamber (301), an output shaft end of the second motor (305) is fixedly connected to a vertical shaft (306), the vertical shaft (306) is located in the vertical cylinder (302), an induced draft fan (307) is fixedly connected to the shaft end of the vertical shaft (306), the induced draft fan (307) is located in the cavity opening of the convex chamber (303), a side wall of the vertical shaft (306) is rotatably connected to a support plate, and the support plate is fixedly connected to the inner wall of the vertical cylinder (302).

8. The waste heat recovery device for a heat treatment vacuum furnace according to claim 1, characterized in that: A smoke outlet pipe (309) is inserted and fixedly connected to the lower part of the side wall of the water storage seat (102), and a water inlet and outlet pipe (310) is inserted and fixedly connected to the lower part of the side wall of the water storage seat (102) and on one side of the smoke outlet pipe (309). A bellows (308) is inserted and fixedly connected to the side wall of the chamber (301), and one end of the bellows (308) away from the chamber (301) is fixedly connected to the pipe mouth of the smoke outlet pipe (309).

9. The waste heat recovery device for a heat treatment vacuum furnace according to claim 7, characterized in that: The side wall of the vertical shaft (306) is fixedly sleeved with a third bevel gear (311); the side wall of the vertical cylinder (302) is interlaced and rotatably connected with a second transverse shaft (313); one end of the second transverse shaft (313) is fixedly connected with a fourth bevel gear (312); the other end of the second transverse shaft (313) is fixedly connected with a rotating disk (314); the fourth bevel gear (312) is meshed with the third bevel gear (311); a convex column (315) is interlaced and rotatably connected with the edge of the side wall of the rotating disk (314); the end of the convex column (315) away from the rotating disk (314) is fixedly connected with the first transverse cylinder (316); ), a movable rod (317) is inserted through the tube mouth of the first transverse tube (316), a second transverse tube (319) is arranged on one side of the first transverse tube (316), a transverse rod (320) is inserted and rotatably connected through the tube mouth of the second transverse tube (319), a connecting plate (318) is fixedly connected to the side wall of the second transverse tube (319), and the end of the connecting plate (318) away from the second transverse tube (319) is fixedly connected to the movable rod (317), and the rod end of the transverse rod (320) is fixedly connected to a fixing frame (324), and the fixing frame (324) is fixedly connected to the outer wall of the vertical tube (302).

10. The waste heat recovery device for a heat treatment vacuum furnace according to claim 9, characterized in that: A convex plate (321) is fixedly connected to one side of the second transverse cylinder (319) facing away from the connecting plate (318); a cylinder body (322) is fixedly connected to one side of the convex plate (321) facing away from the second transverse cylinder (319); a water spray head (323) is inserted and fixedly connected to one side of the cylinder body (322) facing away from the convex plate (321); a water supply pipe is inserted and fixedly connected to the end face of the cylinder body (322); and the output end of the water supply pipe is fixedly connected to the input end of the water spray head (323).

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