High-temperature treatment device for waste hard alloy
By designing a rotating mechanism and a magnetic separation device, the problems of incomplete reduction and cumbersome unloading in the high-temperature treatment of waste cemented carbide were solved, achieving efficient resource recovery and safe operation.
Patent Information
- Application Number
- CN202423161973.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-20
AI Technical Summary
In the existing high-temperature processing of waste cemented carbide, the material is not completely reduced, impurities are difficult to separate, and unloading operations are cumbersome, posing safety hazards.
A high-temperature treatment device for waste cemented carbide is adopted, including a quartz tube, a heating furnace chamber, a furnace shell, a control box, a rotating mechanism, a base, a lifting push rod, a first gas pipe assembly, and a second gas pipe assembly. The first gas pipe assembly, the second gas pipe assembly, the rotating mechanism, the base, the lifting push rod, the first gas pipe assembly, the second gas pipe assembly, the rotating mechanism, the base, the rotating mechanism, the base, the rotating mechanism, the base, the rotating mechanism, the rotating mechanism, the base, the lifting push rod, and a magnetic separation device, including a feed hopper, a tube body, a permanent magnet cylinder, a guide ring, a rotating door, and a collection box, to achieve efficient reduction and automatic unloading of waste cemented carbide.
The quartz tube is driven to rotate by a rotating mechanism, which improves the reduction efficiency. The magnetic separation device improves the purity of metal recovery. Automatic unloading reduces manual operation and lowers safety hazards.
Smart Images
Figure CN223691503U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to high temperature processing device field especially relates to a waste hard alloy high temperature processing device. BACKGROUND
[0002] Waste hard alloy is discarded or invalid hard alloy product, and the hard alloy is a composite material composed of refractory metal carbide and binder metal, which has high hardness, high strength, wear resistance and high temperature resistance; the rare metal resources such as tungsten and cobalt in waste hard alloy are very precious, and its reserves are limited, and through high temperature treatment, waste hard alloy can be recycled to reduce production cost and realize the recycling of resources.
[0003] In the prior art, during the high temperature treatment of waste hard alloy, due to the complex material composition and uneven heat conduction, the material reduction is not complete, thereby affecting the recovery efficiency and reduction effect of resources; in addition, after high temperature reduction treatment, the impurities remaining in the hard alloy are difficult to separate effectively, thereby affecting the purity of the recovered material; in addition, the existing device usually adopts manual operation during unloading, and the process is complicated, which not only affects the treatment efficiency, but also has the safety hazard of high temperature operation.
[0004] Therefore, the prior art has defects and needs to be improved. UTILITY MODEL CONTENT
[0005] The utility model solves the technical problem that a waste hard alloy high temperature processing device with high resource utilization rate and convenient operation is provided.
[0006] To achieve this purpose, the utility model adopts the following technical scheme: a waste hard alloy high temperature processing device, comprising a quartz tube, a heating furnace, a furnace shell, a control box, a rotating mechanism, a base, a lifting push rod, a first air pipe assembly and a second air pipe assembly;
[0007] The furnace shell is arranged on the top of the control box, the heating furnace is arranged in the furnace shell, the heating furnace has a receiving chamber inside, the quartz tube is arranged in the receiving chamber, the heating furnace is used for heating the quartz tube, and the quartz tube is used for containing waste hard alloy to be high-temperature treated;
[0008] The first air pipe assembly and the second air pipe assembly are respectively sealed and connected with the end of the quartz tube through flanges, the first air pipe assembly is used for introducing hydrogen into the quartz tube, and the second air pipe assembly is used for extracting gas in the quartz tube;
[0009] The rotating mechanism is connected with the end of the quartz tube and used to drive the quartz tube to rotate, the base is arranged at the bottom of the control box, the lifting push rod is arranged in the base, the movable end of the lifting push rod penetrates through the base and is connected with the control box, and the lifting push rod is used to tilt the control box to unload the quartz tube.
[0010] The waste hard alloy high-temperature treatment device further comprises a magnetic separation device, the magnetic separation device is arranged at the side end of the base and below the second air pipe assembly, and the magnetic separation device is used to receive and magnetically separate the waste hard alloy subjected to high-temperature reduction treatment.
[0011] The magnetic separation device comprises a feeding hopper, a pipe body, a permanent magnet cylinder, a material guiding ring, a rotating door and a collecting box.
[0012] The rotating door is rotatably connected with the pipe body, the bottom of the rotating door is provided with a supporting frame, the permanent magnet cylinder is arranged on the supporting frame, the permanent magnet cylinder is used to magnetically adsorb the waste hard alloy, and the rotating door is used to draw out the permanent magnet cylinder from the pipe body in the opened state.
[0013] The feeding hopper is arranged at the top of the pipe body and used to guide the waste hard alloy subjected to high-temperature reduction treatment into the pipe body, the material guiding ring is arranged above the permanent magnet cylinder and used to guide the waste hard alloy in the pipe body to flow onto the permanent magnet cylinder.
[0014] The collecting box is in communication with the bottom of the pipe body and used to collect the hard alloy impurities.
[0015] The rotating mechanism comprises a driving motor, a driving gear and a driven gear.
[0016] The driving motor is arranged at the side end of the control box through a mounting frame, the output end of the driving motor is connected with the driving gear, the driving motor is used to drive the driving gear to rotate, the driven gear is sleeved on the quartz tube, the driven gear is in meshing connection with the driving gear and drives the quartz tube to rotate along with the rotation of the driving gear.
[0017] The heating furnace inner wall is provided with a plurality of embedded grooves along the circumference, and the embedded grooves are used to place heating pipes.
[0018] The waste hard alloy high-temperature treatment device further comprises a heat preservation cover, the heat preservation cover is arranged in the furnace body shell, and the heat preservation cover is used for wrapping the heating furnace.
[0019] The furnace body shell comprises an upper furnace cover and a lower furnace base, the upper furnace cover and the lower furnace base are reversibly connected, and the upper furnace cover is used for closing or opening the heating furnace.
[0020] Compared with the prior art, the waste hard alloy high-temperature treatment device has the following beneficial effects:
[0021] The rotating mechanism can drive the quartz tube to rotate, so that the waste hard alloy in the quartz tube is continuously rolled and mixed in the heating process, the reaction is prevented from being incomplete, the contact area of hydrogen and the surface of the material is increased, and the reduction efficiency is effectively improved; when the material is unloaded, the lifting push rod can be inclined to support the control box, so that automatic unloading is realized through gravity, the tediousness of manual operation and the safety hazard of high-temperature operation are reduced; in addition, the magnetic separation device can adsorb metal components containing iron or cobalt through the strong magnetism of the permanent magnet cylinder, and impurities are concentrated and collected, so that the purity of metal recovery is effectively improved. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.
[0023] The structures, proportions, sizes and the like shown in the drawings of the present specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the implementation conditions of the present application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application.
[0024] Figure 1 It is a whole structure schematic view of the present application;
[0025] Figure 2 It is a lifting push rod mounting structure schematic view of the present application;
[0026] Figure 3 It is a quartz tube mounting explosion structure schematic view of the present application;
[0027] Figure 4The utility model discloses a magnetic separation device explosion structure schematic view.
[0028] Figure 5 The utility model discloses a magnetic separation device another visual angle explosion structure schematic view. Specific implementation
[0029] For the utility model discloses the utility model purpose, feature, advantage can be more obvious and easy to understand, the following will combine the drawing in the embodiment of the utility model, the technical scheme in the embodiment of the utility model is clearly, completely described, obviously, the following described embodiment only is a part embodiment of the utility model, but not all embodiments. Based on the embodiment in the utility model, all other embodiments that the ordinary skill in the art obtains without making creative labor all belong to the range of the utility model protection.
[0030] In the description of the utility model, it is understood that the terms "upper", "lower", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawing, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component or there can be a component disposed therebetween.
[0031] The technical scheme of the utility model will be further illustrated by the specific implementation in the following in combination with the drawings.
[0032] As Figures 1 to 5 The utility model discloses a kind of waste hard alloy high-temperature processing devices, including quartz tube 1, heating furnace 2, furnace shell 3, control box 4, rotating mechanism 5, pedestal 6, lifting push rod 7, first gas pipe component 81 and second gas pipe component 82;The furnace shell 3 is located at the top of the control box 4, the heating furnace 2 is located in the furnace shell 3, the heating furnace 2 has the accommodation chamber 20 inside, the quartz tube 1 transverse pipe is located in the accommodation chamber 20, the heating furnace 2 is used to heat the quartz tube 1, the quartz tube 1 is used to hold waste hard alloy to be high-temperature processed;Waste hard alloy is placed in quartz tube 1, heating device in heating furnace 2 can pass through quartz tube 1 wall to transfer heat to inside, so that waste hard alloy reaches the temperature required by high-temperature reduction, and realizes the reduction treatment to waste hard alloy by the action of reducing gas.
[0033] The first gas pipe assembly 81 and the second gas pipe assembly 82 are respectively sealed and connected with the end of the quartz tube 1 through the flange plate 80, the first gas pipe assembly 81 is used for introducing hydrogen into the quartz tube 1, and the second gas pipe assembly 82 is used for extracting the gas in the quartz tube 1; during the high-temperature treatment of the waste hard alloy, the second gas pipe assembly 82 first evacuates the quartz tube 1 to remove the residual air and impurity gas in the quartz tube 1, so as to form a low-pressure oxygen-free environment, avoid the interference of oxygen or other impurities in the air on the subsequent reduction reaction, and then the first gas pipe assembly 81 introduces hydrogen into the quartz tube 1, the hydrogen as a reducing gas can react with the oxides and other impurities in the waste hard alloy, so as to reduce the metal components into high-purity elements, and realize the efficient treatment and resource recovery of the waste hard alloy.
[0034] The rotating mechanism 5 is connected with the end of the quartz tube 1, the rotating mechanism 5 is used for driving the quartz tube 1 to rotate, the base 6 is arranged at the bottom of the control box 4, the lifting push rod 7 is arranged in the base 6, the movable end of the lifting push rod 7 penetrates through the base 6 and is connected with the control box 4, and the lifting push rod 7 is used for tilting to support the control box 4, so that the quartz tube 1 is unloaded. During the high-temperature treatment, the rotating mechanism 5 drives the quartz tube 1 to continuously rotate, so that the material is uniformly distributed in the quartz tube 1 and continuously tumbles and mixes during the rotation, thereby increasing the contact area of the hydrogen and the surface of the material, improving the reaction efficiency and reduction quality; when the high-temperature treatment is completed and the material needs to be unloaded, the user can detach the flange plate 80 connected with the second gas pipe assembly 82 from the end of the quartz tube 1, and tilt the control box 4 through the action of the lifting push rod 7, so that the quartz tube 1 has a certain inclination angle, at this time, the material can automatically slide and be unloaded under the action of gravity, avoiding the safety hidden danger caused by high-temperature operation in the traditional manual unloading operation.
[0035] As shown in Figure 1 Further, the magnetic separation device 9 is arranged at the side end of the base 6 and below the second gas pipe assembly 82, the magnetic separation device 9 is used for receiving and magnetically separating the waste hard alloy subjected to the high-temperature reduction treatment; after the high-temperature reduction treatment is completed, the waste hard alloy flows to the magnetic separation device 9 when being unloaded from the quartz tube 1, and the magnetic separation device 9 can screen the metal components containing iron or cobalt through the magnetic adsorption function, thereby improving the purity of the recovered material.
[0036] As shown in Figure 1 , Figure 4 and Figure 5As shown, further, the magnetic separation device 9 includes a feed hopper 91, a tube body 92, a permanent magnet cylinder 93, a guide ring 94, a rotary door 95, and a collection box 96. The rotary door 95 is rotatably connected to the tube body 92. The rotary door 95 is provided with a support frame 951 at the bottom. The permanent magnet cylinder 93 is arranged on the support frame 951. The permanent magnet cylinder 93 is used for magnetic adsorption of waste hard alloy. The rotary door 95 is used to pull out the permanent magnet cylinder 93 from the tube body 92 in the open state. The feed hopper 91 is arranged at the top of the tube body 92. The feed hopper 91 is used to guide the waste hard alloy subjected to high-temperature reduction treatment into the tube body 92. The guide ring 94 is located above the permanent magnet cylinder 93. The guide ring 94 is used to guide the waste hard alloy in the tube body 92 to flow onto the permanent magnet cylinder 93. The collection box 96 is in communication with the bottom of the tube body 92. The collection box 96 is used to collect hard alloy impurities. After the waste hard alloy subjected to high-temperature reduction treatment is discharged from the quartz tube 1, it enters the feed hopper 91. The material is guided into the tube body 92 from the feed hopper 91. In the tube body 92, the guide ring 94 is located above the permanent magnet cylinder 93, which can uniformly disperse the waste hard alloy and flow to the surface of the permanent magnet cylinder 93. The permanent magnet cylinder 93 adsorbs the metal components containing iron or cobalt on the surface of the permanent magnet cylinder 93 through its strong magnetic property. The non-magnetic impurities flow to the bottom of the tube body 92 under the action of gravity and finally enter the collection box 96 in communication with the tube body 92 for centralized collection. The rotary door 95 is arranged to facilitate the pulling out of the permanent magnet cylinder 93 from the tube body 92, thereby realizing the stripping and separation of the metal. Such an arrangement can effectively improve the efficiency and purity of resource recovery.
[0037] As shown in Figure 3 Further, the rotating mechanism 5 includes a driving motor 51, a driving gear 52, and a driven gear 53. The driving motor 51 is arranged on the side end of the control box 4 through a mounting bracket. The output end of the driving motor 51 is connected to the driving gear 52. The driving motor 51 is used to drive the rotation of the driving gear 52. The driven gear 53 is sleeved on the quartz tube 1. The driven gear 53 is in meshing connection with the driving gear 52 and drives the rotation of the quartz tube 1 along with the rotation of the driving gear 52. The waste hard alloy in the quartz tube 1 is uniformly heated during high-temperature treatment. At the same time, the gas and the material are fully contacted, thereby improving the reduction effect of the waste hard alloy.
[0038] As shown in Figure 3 Further, a plurality of embedded grooves 21 are arranged on the inner wall of the heating furnace 2 along the circumference. The embedded grooves 21 are used to place heating pipes. The heating pipes are arranged in the embedded grooves 21, so that the heating pipes can closely fit the inner wall of the heating furnace 2. Such an arrangement can improve the heating efficiency of the heating furnace 2 on the quartz tube 1.
[0039] As shown in Figure 3As shown, further, the furnace body shell 3 comprises an upper furnace cover 31 and a lower furnace base 32, the upper furnace cover 31 and the lower furnace base 32 are reversibly connected, and the upper furnace cover 31 is used for closing or opening the heating furnace chamber 2.
[0040] As shown, Figure 1 As shown, further, the furnace body shell 3 comprises an upper furnace cover 31 and a lower furnace base 32, the upper furnace cover 31 and the lower furnace base 32 are reversibly connected, and the upper furnace cover 31 is used for closing or opening the heating furnace chamber 2.
[0041] The above-described and above-embodied examples are only used to illustrate the technical solutions of the present application, but not to limit the same; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A waste hard metal high temperature treatment apparatus, characterised in that, The quartz tube, the heating furnace, the furnace shell, the control box, the rotating mechanism, the base, the lifting push rod, the first gas pipe assembly and the second gas pipe assembly; The furnace shell is arranged on the top of the control box, the heating furnace is arranged in the furnace shell, the heating furnace has a receiving cavity inside, the quartz tube is arranged in the receiving cavity, the heating furnace is used for heating the quartz tube, and the quartz tube is used for containing waste hard alloy to be treated at high temperature. The first gas pipe assembly and the second gas pipe assembly are respectively connected with the end of the quartz tube through flanges, the first gas pipe assembly is used for introducing hydrogen into the quartz tube, and the second gas pipe assembly is used for extracting gas in the quartz tube. The rotating mechanism is connected with the end of the quartz tube, the rotating mechanism is used for rotating the quartz tube, the base is arranged on the bottom of the control box, the lifting push rod is arranged in the base, the movable end of the lifting push rod penetrates through the base and is connected with the control box, and the lifting push rod is used for supporting the control box to unload the quartz tube.
2. The waste hard metal high temperature treatment apparatus according to claim 1, characterized in that The magnetic separation device is arranged on the side end of the base and below the second gas pipe assembly, and the magnetic separation device is used for receiving and magnetically separating the waste hard alloy treated at high temperature.
3. The waste hard metal high temperature treatment apparatus according to claim 2, characterized in that The magnetic separation device comprises a feeding hopper, a pipe body, a permanent magnet cylinder, a guide ring, a rotating door and a collection box. The rotating door is rotatably connected with the pipe body, the bottom of the rotating door is provided with a supporting frame, the permanent magnet cylinder is arranged on the supporting frame, the permanent magnet cylinder is used for magnetically adsorbing waste hard alloy, and the rotating door is used for extracting the permanent magnet cylinder from the pipe body in the open state. The feeding hopper is arranged on the top of the pipe body, the feeding hopper is used for guiding the waste hard alloy treated at high temperature into the pipe body, the guide ring is arranged above the permanent magnet cylinder, and the guide ring is used for guiding the waste hard alloy in the pipe body to flow onto the permanent magnet cylinder. The collection box is in communication with the bottom of the pipe body, and the collection box is used for collecting hard alloy impurities.
4. The waste hard metal high temperature treatment apparatus of claim 1, wherein, The rotating mechanism comprises a driving motor, a driving gear and a driven gear. The driving motor is arranged on the side end of the control box through a mounting frame, the output end of the driving motor is connected with the driving gear, the driving motor is used for driving the driving gear to rotate, the driven gear is sleeved on the quartz tube, the driven gear is in meshing connection with the driving gear, and the driven gear drives the quartz tube to rotate along with the rotation of the driving gear.
5. The waste hard metal high temperature treatment apparatus of claim 1, wherein, The inner wall of the heating furnace is provided with a plurality of embedded grooves along the circumference, and the embedded grooves are used for placing heating pipes.
6. The waste hard metal high temperature treatment apparatus of claim 1, wherein, The heat preservation cover is arranged in the furnace shell, and the heat preservation cover is used for wrapping the heating furnace.
7. The waste hard metal high temperature treatment apparatus of claim 1, wherein, The furnace shell comprises an upper furnace cover and a lower furnace base, the upper furnace cover and the lower furnace base are reversibly connected, and the upper furnace cover is used for closing or opening the heating furnace.