CN113803989A

CN113803989A - High-contact energy-saving vacuum furnace with waste heat utilization function

Info

Publication number: CN113803989A
Application number: CN202110998817.2A
Authority: CN
Inventors: 谢长江
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-28
Filing date: 2021-08-28
Publication date: 2021-12-17

Abstract

The invention discloses a high-contact energy-saving vacuum furnace with a waste heat utilization function, which comprises a furnace body, a heating element and a heating element, wherein the furnace body is fixed on a working floor; the upper water tank is fixed at the top of the furnace body, and a condenser is arranged at the top of the upper water tank; the method comprises the following steps: the mounting table is fixed at the bottom of the inner wall of the furnace body, and a placing frame is arranged in the furnace body; the lower water tank is fixed on the top of the mounting plate, and the top of the lower water tank is in through connection with the upper water tank through the air guide frame; the guide shaft is arranged in the mounting plate and the lower water tank in a penetrating mode, and a second blade is arranged at the top of the guide shaft; the main toothed roller is connected to the inside of the top of the furnace body through a motor-driven embedded shaft, and a sealing plate is arranged on one side of the main toothed roller and located in the movable groove. This energy-conserving vacuum furnace of high contact type with waste heat utilization function utilizes the evaporation of waste heat realization water, stirs the material, realizes material thermally equivalent, realizes quick radiating function simultaneously.

Description

High-contact energy-saving vacuum furnace with waste heat utilization function

Technical Field

The invention relates to the technical field of vacuum furnaces, in particular to a high-contact energy-saving vacuum furnace with a waste heat utilization function.

Background

The vacuum furnace is a device for heating in a vacuum environment, can completely eliminate oxidation and decarburization on the surface of a workpiece in the heating process, can obtain a clean surface without an altered layer, is widely applied to ceramic sintering, vacuum smelting, electric vacuum part degassing, annealing, metal part brazing, ceramic and metal sealing and the like, but the prior vacuum furnace has the following problems when in use:

the use of vacuum furnace is put into the stove with the material mostly and is carried out the evacuation heating, but current vacuum furnace, and is inconvenient to utilize the waste heat, leads to the heat only to supply the heating of material, causes the waste, and the material often all piles up together when heating simultaneously, and the thermally equivalent of inconvenient material leads to heating time long, influences material machining efficiency.

In order to solve the problems, innovative design based on the original vacuum furnace is urgently needed.

Disclosure of Invention

The invention aims to provide a high-contact energy-saving vacuum furnace with a waste heat utilization function, and aims to solve the problems that the conventional vacuum furnace in the background art is inconvenient to utilize waste heat and uniformly heat materials.

In order to achieve the purpose, the invention provides the following technical scheme: a high-contact energy-saving vacuum furnace with a waste heat utilization function;

the furnace body is fixed on a working ground, a heating element is arranged on the inner wall of the furnace body, and a heat-insulating layer is arranged on the outer wall of the furnace body;

the upper water tank is fixed at the top of the furnace body, and a condenser is arranged at the top of the upper water tank;

the method comprises the following steps:

the mounting table is fixed at the bottom of the inner wall of the furnace body, a placing frame is arranged in the furnace body, the placing frame is slidably mounted at the top of the mounting table, and a mounting plate is fixed in the middle of the inner wall of the furnace body;

the lower water tank is fixed at the top of the mounting plate, the top of the lower water tank is in through connection with the upper water tank through the air guide frame, the top of the lower water tank is provided with an air outlet, a water return channel is reserved at the bottom edge of the upper water tank, and the bottom of the water return channel penetrates through the furnace body and is arranged at the top edge of the lower water tank;

the guide shaft is arranged in the mounting plate and the lower water tank in a penetrating mode, a second blade is arranged at the top of the guide shaft and located in the air guide frame, a mounting seat is arranged at the bottom of the guide shaft and fixed on the placing frame, and a stirring shaft is connected to the bottom of the mounting seat in a shaft mode;

the main fluted roller is connected in the inside at furnace body top by the embedded axle of motor drive, one side of main fluted roller is provided with the shrouding, and the outside of shrouding is fixed with the rack to the opening has been seted up to the below of shrouding, the shrouding is located the movable groove, and the movable groove is seted up in the inside of furnace body, and the avris of furnace body runs through and has seted up the thermovent.

Preferably, the air guide frame is designed to be a hollow circular truncated cone-shaped structure, the air guide frame and the guide shaft share the central axis, and the air guide frame guides and spatially compresses the water vapor to drive the second blade and the guide shaft to rotate.

Preferably, the return water passageway is interior to run through and to install the guide fluted roller, and the one end hub connection of guide fluted roller in the bottom of mounting panel to the top of guide fluted roller is fixed with first blade, the gear is installed in the meshing of the bottom avris of guide fluted roller, and gear shaft connection in the bottom of mounting panel, and the bottom of gear is fixed with the fan, and first blade receives water impact drive guide fluted roller to rotate, and then drives gear and fan rotation, realizes the heat dissipation.

Preferably, the number of the air outlets is four about the central axis of the guide shaft, three groups of the air outlets are arranged on the lower water tank, and the water vapor in the lower water tank impacts the second blades on the guide shaft through the air outlets.

Preferably, the (mixing) shaft is equidistant to be distributed on the mount pad, and the mount pad is unsmooth complex dismantlement mounting structure in placing the frame, and the (mixing) shaft stirs the material of placing in the frame and turns over the whole, and the dismantlement installation of mount pad makes things convenient for the collection of material.

Preferably, the top of (mixing) shaft runs through the mount pad and has seted up the fixed slot, and is provided with the dead lever in the fixed slot to the top of dead lever passes through the spring and sets up in flexible inslot, and flexible groove is seted up in the bottom of guide shaft moreover, and the (mixing) shaft slides along with the mount pad, can contact with the dead lever.

Preferably, the dead lever passes through the spring and at flexible inslot elastic sliding, and the bottom both sides of dead lever are the design of slope form to the dead lever is whole to be the rectangle structure, and the elastic stretching of dead lever makes things convenient for the removal of (mixing) shaft, and the guide shaft can drive the (mixing) shaft through the dead lever simultaneously and rotate.

Preferably, the closing plate is of an arc-shaped structure and slides in the movable groove in a fitting manner, one end of the closing plate penetrates through the water return channel to be sealed, the opening in the closing plate corresponds to the position of the heat dissipation opening, and the opening and the closing of the water return channel and the heat dissipation opening are achieved through the closing plate.

Preferably, the racks are distributed on the sealing plate at equal angles, the racks are meshed with the main toothed roller, and the main toothed roller rotates to drive the sealing plate to slide.

Compared with the prior art, the invention has the beneficial effects that: the high-contact energy-saving vacuum furnace with the waste heat utilization function;

1. the guide shaft is driven to rotate by the stress of the second blades on the guide shaft, so that the guide shaft drives the stirring shaft to rotate in the placing frame through the fixing rod and the fixing groove, the materials are stirred, the materials are turned and neat, and the uniform heating is facilitated;

2. through the telescopic groove arranged at the bottom of the guide shaft, elastic sliding of the fixed rod is realized through a spring, and meanwhile, two sides of the bottom of the fixed rod are of an inclined structure, so that when a placing frame filled with materials is pushed into a furnace body, the fixed rod is stressed to stretch and finally clamped into the fixed groove, the rotation of the stirring shaft is conveniently driven, meanwhile, the pushing and the taking out of the placing frame are convenient, and the materials in the placing frame are conveniently taken out and collected by matching the concave-convex fit between the mounting plate and the placing frame;

3. through the sealing plate with the arc-shaped structure arranged in the movable groove, the motor drives the main gear roller to rotate, so that the sealing plate can be driven to rotate, the sealing plate can seal and open the water return channel and the heat radiating port, internal sealing and heat radiation are facilitated, water condensed in the upper water tank can conveniently flow back to the lower water tank through the water return channel, and water recycling is realized;

4. through the guide gear roller arranged in the water return channel, the first blade at the top of the guide gear roller is driven to rotate by water flow impact, so that the guide gear drives the gear meshed with the guide gear to rotate, the fan is driven to rotate, and the opening of the heat dissipation port is matched to realize internal active heat dissipation.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a perspective view of a fixing rod according to the present invention;

FIG. 4 is a schematic top view of the mounting base of the present invention;

FIG. 5 is a schematic top view of the lower tank of the present invention;

FIG. 6 is a schematic perspective view of the airway frame of the present invention;

fig. 7 is a schematic side view of the sealing plate of the present invention.

In the figure: 1. a furnace body; 11. a heating member; 12. a heat-insulating layer; 13. an installation table; 14. placing the frame; 15. mounting a plate; 2. a lower water tank; 21. a gas-guiding frame; 22. a water feeding tank; 23. a condenser; 24. a water return channel; 241. a tooth guide roller; 242. a first blade; 243. a gear; 244. a fan; 25. an air outlet; 3. a guide shaft; 31. a second blade; 32. a mounting seat; 33. a stirring shaft; 331. fixing grooves; 332. fixing the rod; 333. a spring; 334. a telescopic groove; 4. a main toothed roller; 41. closing the plate; 42. a rack; 43. an opening; 44. a movable groove; 45. and a heat dissipation port.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a high-contact energy-saving vacuum furnace with a waste heat utilization function comprises a furnace body 1, a heating element 11, a heat-insulating layer 12, an installation table 13, a placing frame 14, an installation plate 15, a lower water tank 2, an air guide frame 21, an upper water tank 22, a condenser 23, a water return channel 24, a tooth guide roller 241, a first blade 242, a gear 243, a fan 244, an air outlet 25, a guide shaft 3, a second blade 31, an installation seat 32, a stirring shaft 33, a fixing groove 331, a fixing rod 332, a spring 333, a telescopic groove 334, a main tooth roller 4, a sealing plate 41, a rack 42, an opening 43, a movable groove 44 and a heat dissipation opening 45;

the furnace body 1 is fixed on a working ground, a heating element 11 is arranged on the inner wall of the furnace body 1, and an insulating layer 12 is arranged on the outer wall of the furnace body 1;

the upper water tank 22 is fixed at the top of the furnace body 1, and a condenser 23 is arranged at the top of the upper water tank 22;

the method comprises the following steps:

the mounting table 13 is fixed at the bottom of the inner wall of the furnace body 1, a placing frame 14 is arranged in the furnace body 1, the placing frame 14 is slidably mounted at the top of the mounting table 13, and a mounting plate 15 is fixed in the middle of the inner wall of the furnace body 1;

the lower water tank 2 is fixed on the top of the mounting plate 15, the top of the lower water tank 2 is connected with the upper water tank 22 in a penetrating manner through the air guide frame 21, the top of the lower water tank 2 is provided with an air outlet 25, the bottom edge of the upper water tank 22 is reserved with a water return channel 24, and the bottom of the water return channel 24 penetrates through the furnace body 1 and is arranged on the top edge of the lower water tank 2;

the guide shaft 3 is arranged in the mounting plate 15 and the lower water tank 2 in a penetrating manner, a second blade 31 is arranged at the top of the guide shaft 3, the second blade 31 is positioned in the air guide frame 21, a mounting seat 32 is arranged at the bottom of the guide shaft 3, the mounting seat 32 is fixed on the placing frame 14, and a stirring shaft 33 is connected to the bottom shaft of the mounting seat 32;

the main fluted roller 4 is connected in the inside at furnace body 1 top by the embedded axle of motor drive, and one side of main fluted roller 4 is provided with shrouding 41, and the outside of shrouding 41 is fixed with rack 42 to opening 43 has been seted up to shrouding 41's below, and shrouding 41 is located movable groove 44, and movable groove 44 sets up in the inside of furnace body 1, and the avris of furnace body 1 runs through and has seted up thermovent 45.

The air guide frame 21 is designed to be a hollow round platform-shaped structure, the air guide frame 21 and the guide shaft 3 share the same central axis, four air outlets 25 are arranged on the central axis of the guide shaft 3, and three groups of air outlets 25 are arranged on the lower water tank 2;

as shown in fig. 1 and fig. 5-6, when the heating element 11 heats the water in the lower water tank 2, the water is heated to generate steam, the steam can enter the air guide frame 21 through the air outlet 25, and is guided and compressed by the space of the air guide frame 21, so that the steam can push the second blades 31 and the guide shaft 3 to rotate;

a gear guide roller 241 is installed in the water return channel 24 in a penetrating manner, one end shaft of the gear guide roller 241 is connected to the bottom of the installation plate 15, a first blade 242 is fixed to the top of the gear guide roller 241, a gear 243 is installed on the bottom side of the gear guide roller 241 in a meshing manner, the gear 243 is connected to the bottom of the installation plate 15 in a shaft manner, and a fan 244 is fixed to the bottom of the gear 243;

as shown in fig. 1, the water vapor in the air guide frame 21 enters the upper water tank 22, the water vapor is condensed by the condenser 23 and continuously stored in the upper water tank 22, the water in the upper water tank 22 enters the lower water tank 2 from the water return channel 24 to realize the recycling of the water, meanwhile, the water impacts the first blade 242 to drive the gear guide roller 241 to rotate, and the gear guide roller 241 is meshed with the gear 243 to drive the gear 243 and the fan 244 to rotate, so that the heat dissipation is realized;

the stirring shafts 33 are distributed on the mounting base 32 at equal intervals, the mounting base 32 is of a concave-convex matched dismounting and mounting structure in the placing frame 14, the top of the stirring shaft 33 penetrates through the mounting base 32 and is provided with a fixing groove 331, a fixing rod 332 is arranged in the fixing groove 331, the top of the fixing rod 332 is arranged in a telescopic groove 334 through a spring 333, the telescopic groove 334 is arranged at the bottom of the guide shaft 3, the fixing rod 332 elastically slides in the telescopic groove 334 through the spring 333, two sides of the bottom of the fixing rod 332 are designed in an inclined shape, and the whole fixing rod 332 is of a rectangular structure;

as shown in fig. 1-4, when the sealing door at the outer side of the furnace body 1 is opened, and the placing frame 14 is pushed on the mounting table 13, and the material is taken out and placed, the top of the stirring shaft 33 contacts with the inclined surface of the fixing rod 332, so that the fixing rod 332 is forced to slide into the telescopic groove 334, and the fixing rod 332 is finally clamped into the fixing groove 331 by matching with the use of the spring 333, so that the stirring shaft 33 can be driven by the fixing rod 332 to rotate when the guide shaft 3 rotates, the material in the placing frame 14 is stirred, and is uniformly heated, and meanwhile, the mounting seat 32 is detached and mounted on the placing frame 14, so that the material can be taken out conveniently;

the sealing plate 41 is in an arc structure and slides in the movable groove 44 in a fitting manner, one end of the sealing plate 41 penetrates through and is sealed in the water return channel 24, the opening 43 in the sealing plate 41 corresponds to the position of the heat dissipation opening 45, the racks 42 are distributed on the sealing plate 41 at equal angles, and the racks 42 are meshed with the main toothed roller 4;

as shown in fig. 1 and 7, when the main gear roller 4 is driven to rotate by the motor, the main gear roller 4 is meshed with the rack 42, so as to drive the sealing plate 41 to slide in the movable groove 44, so that the sealing plate 41 can open and close the water return channel 24 and the heat dissipation port 45, thereby facilitating the controllable cyclic utilization of water, and simultaneously, after the heating is completed, the fan 244 is matched to rotate to realize the heat dissipation.

The working principle is as follows: when the high-contact energy-saving vacuum furnace with the waste heat utilization function is used, as shown in fig. 1-7, firstly, materials are placed in the placing frame 14 and pushed into the furnace body 1 on the mounting table 13, the interior of the furnace body 1 is vacuumized through an external vacuumizing device, meanwhile, the materials inside are heated through the heating element 11 and the heat insulation layer 12, meanwhile, water in the lower water tank 2 is heated to generate steam, the stirring shaft 33 is driven to rotate through the guide shaft 3, and the materials are turned and arranged to be uniformly heated;

then, after the heating is completed, the motor drives the main gear roller 4 to rotate, drives the sealing plate 41 to slide, opens the water return channel 24 and the heat dissipation opening 45, and the water in the upper water tank 22 flows to the lower water tank 2 through the water return channel 24, and drives the gear guide roller 241 to rotate, so as to realize the heat dissipation by driving the fan 244 to rotate.

Those not described in detail in this specification are prior art well known to those skilled in the art, and in the description of the present invention, "plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. A high-contact energy-saving vacuum furnace with a waste heat utilization function;

the method is characterized in that: the method comprises the following steps:

2. The high contact energy saving vacuum furnace with the waste heat utilization function according to claim 1, characterized in that: the air guide frame is designed to be a hollow round platform-shaped structure, and the air guide frame and the guide shaft share the central axis.

3. The high contact energy saving vacuum furnace with the waste heat utilization function according to claim 1, characterized in that: the water return channel is internally provided with a guide gear roller in a penetrating mode, one end shaft of the guide gear roller is connected to the bottom of the mounting plate, a first blade is fixed to the top of the guide gear roller, a gear is mounted on the side of the bottom of the guide gear roller in a meshed mode, the gear shaft is connected to the bottom of the mounting plate, and a fan is fixed to the bottom of the gear.

4. The high contact energy saving vacuum furnace with the waste heat utilization function according to claim 1, characterized in that: the central axis of the air outlets is provided with four air outlets about the guide shaft, and three groups of air outlets are arranged on the lower water tank.

5. The high contact energy saving vacuum furnace with the waste heat utilization function according to claim 1, characterized in that: the (mixing) shaft is equidistant to be distributed on the mount pad, and the mount pad is unsmooth complex dismantlement mounting structure placing in the frame.

6. The high contact energy saving vacuum furnace with the waste heat utilization function according to claim 1, characterized in that: the top of (mixing) shaft runs through the mount pad and has seted up the fixed slot, and is provided with the dead lever in the fixed slot to the top of dead lever passes through the spring and sets up in flexible inslot, and flexible groove is seted up in the bottom of guide shaft moreover.

7. The high contact energy saving vacuum furnace with the waste heat utilization function according to claim 6, characterized in that: the fixed rod elastically slides in the telescopic groove through the spring, two sides of the bottom of the fixed rod are designed in an inclined mode, and the whole fixed rod is of a rectangular structure.

8. The high contact energy saving vacuum furnace with the waste heat utilization function according to claim 1, characterized in that: the shrouding is the arc structure and closes the slip in the activity inslot, and the one end of shrouding runs through sealed in the return water passageway to the opening on the shrouding corresponds with the position of thermovent.

9. The high contact energy saving vacuum furnace with the waste heat utilization function according to claim 1, characterized in that: the racks are distributed on the sealing plate at equal angles, and the racks are meshed with the main toothed roller.