Efficient vacuum granulator
By adopting an integrated smelting barrel and precise temperature control design in the vacuum granulator, the problems of inaccurate temperature detection and leakage in welding are solved, the granulation efficiency and metal quality are improved, and the operation process is simplified.
Patent Information
- Application Number
- CN202421688683.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-07-17
AI Technical Summary
The existing vacuum granulators have inaccurate temperature detection, resulting in large differences in particle sizes and sizes. At the same time, water and air leakage are prone to welding, affecting production efficiency and the quality of precious metals.
The melting barrel is used as an integrated structure, and the smelting cover is opened and closed by a hinged installation, combined with the temperature probe and the induction coil to accurately control the temperature, and the flange butterfly valve and discharge butterfly valve are used to facilitate material collection. The body is equipped with shock-absorbing support feet and operating panel to ensure stability and convenient operation.
Accurate temperature control is achieved, avoiding the problem of water and air leakage in welding, improving granulation efficiency and the quality of precious metals, reducing operating noise and simplifying the material collection process.
Smart Images

Figure CN223043667U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of granulators, and particularly relates to an efficient vacuum granulator. Background Art
[0002] The invention purpose of the vacuum granulator is to process precious metals (such as gold, silver, copper, etc.) into granular forms for more convenient use or processing in subsequent production processes. The equipment heats and melts under vacuum and protective gas environments. After melting, the metal liquid drips through the holes of the graphite mold into the cooling granulation barrel to form granules, making it easier to store, transport, and process. In the process of precious metal processing and utilization, the granulator can improve production efficiency, reduce waste, ensure the quality and purity of precious metals, and also save costs. Therefore, the invention of the vacuum granulator aims to improve the technical level and production efficiency of the precious metal processing industry.
[0003] However, in the prior art, the temperature detection is inaccurate, resulting in size differences in the produced particle sizes. Moreover, since the melting barrels are mostly formed by welding, there are water leakage and air leakage phenomena at the welding joints. Summary of the Utility Model
[0004] Aiming at the problems raised in the above background art, the purpose of the present utility model is to provide an efficient vacuum granulator.
[0005] To achieve the above technical purpose, the technical solution adopted by the present utility model is as follows:
[0006] An efficient vacuum granulator, including a machine body, the machine body is equipped with a melting mechanism and a material taking mechanism. The output end of the melting mechanism is connected to a granulation barrel, and a flange butterfly valve is installed between the granulation barrel and the material taking mechanism;
[0007] The melting mechanism includes a melting barrel, the melting barrel is hingedly installed with a melting cover, a graphite crucible is installed inside the melting barrel, a graphite plug is installed inside the graphite crucible, the end of the graphite plug abuts against the output end of the graphite crucible, a graphite plug rod is installed inside the graphite plug, an electric telescopic support is installed inside the melting barrel, and a temperature probe in contact with the end of the graphite plug rod is installed on the electric telescopic support. An induction coil is installed outside the graphite crucible;
[0008] The material taking mechanism includes a blanking barrel communicated with the flange butterfly valve. The blanking barrel is smoothly connected at a right angle to a discharge port, and a discharge butterfly valve is installed at the discharge port;
[0009] Pipeline interfaces are provided on both the upper and lower sides of the granulation barrel.
[0010] Further defined, shock-absorbing support feet are installed at the four corners of the bottom of the machine body. Such a design ensures the stability during operation and reduces the noise generated by the collision vibration during operation.
[0011] Further defined, an operation panel is installed on the machine body. Such a design is conducive to viewing and inputting parameters.
[0012] Further defined, an observation window is provided on the granulation barrel. Such a design is conducive to visually observing the operation status.
[0013] Further defined, a support rod is installed on the machine body. Such a design ensures the overall support effect.
[0014] Advantages of adopting the present utility model:
[0015] Adopting the structural design of the present utility model, the melting barrel is an integral structure, avoiding the phenomena of water leakage and air leakage caused by poor welding. The hinged cover installed by hinge is used for opening and closing, which is convenient for operation;
[0016] Adopting the structural design of the present utility model, under the effects of the flange butterfly valve and the discharge butterfly valve, it is convenient to take materials after granulation is completed;
[0017] Adopting the structural design of the present utility model, the temperature probe is located at the center of the melting barrel, and can obtain the temperature more accurately, ensuring the granulation effect. Description of the drawings
[0018] The present utility model can be further illustrated by the non-limiting embodiments given in the drawings;
[0019] Figure 1 It is a schematic structural diagram of an embodiment of an efficient vacuum granulator of the present utility model;
[0020] Figure 2 It is a schematic cross-sectional structural diagram of an embodiment of an efficient vacuum granulator of the present utility model;
[0021] The main element symbols are explained as follows:
[0022] Machine body 1; Melting mechanism 2; Material taking mechanism 3; Granulation barrel 4; Flange butterfly valve 5; Shock-absorbing support foot 6; Observation window 7; Support rod 8;
[0023] Melting barrel 21; Melting cover 22; Graphite crucible 23; Graphite plug 24; Graphite plug rod 25; Electric telescopic support 26; Temperature probe 27; Induction coil 28;
[0024] Feeding barrel 31; Discharge port 32; Discharge butterfly valve 33;
[0025] Pipeline interface 41. Detailed implementation manners
[0026] In order to enable those skilled in the art to better understand the present utility model, the technical solution of the present utility model will be further described below in conjunction with the accompanying drawings and embodiments.
[0027] As Figure 1 、 Figure 2 shown, an efficient vacuum granulator of the present utility model includes a machine body 1, the machine body 1 is equipped with a melting mechanism 2 and a material taking mechanism 3, the output end of the melting mechanism 2 is connected to a granulating barrel 4, and a flange butterfly valve 5 is installed between the granulating barrel 4 and the material taking mechanism 3;
[0028] The melting mechanism 2 includes a melting barrel 21, the melting barrel 21 is hingedly installed with a melting cover 22, a graphite crucible 23 is installed inside the melting barrel 21, a graphite plug 24 is installed inside the graphite crucible 23, the end of the graphite plug 24 abuts against the output end of the graphite crucible 23, a graphite plug rod 25 is installed inside the graphite plug 24, an electric telescopic support 26 is installed inside the melting barrel 21, and a temperature probe 27 in contact with the end of the graphite plug rod 25 is installed on the electric telescopic support 26, and an induction coil 28 is installed outside the graphite crucible 23;
[0029] The material taking mechanism 3 includes a feeding barrel 31 communicated with the flange butterfly valve 5, the feeding barrel 31 is smoothly communicated with a discharge port 32 at a right angle, and a discharge butterfly valve 33 is installed at the discharge port 32;
[0030] Pipeline interfaces 41 are provided on both the upper and lower sides of the granulating barrel 4.
[0031] In this embodiment, when using an efficient vacuum granulator, the electric telescopic support 26 drives the graphite plug rod 25 to block the output end of the melting barrel 21, then the melting cover 22 is opened to put raw materials into the melting barrel 21, and then the induction coil 28 is started to heat the inside of the melting barrel 21. At high temperature, the raw materials are melted, and at the same time, cooling water is injected into the granulating barrel 4 through the pipeline interface 41;
[0032] During the melting period, the temperature probe 27 at the center position of the melting barrel 21 determines the melting temperature, ensuring the accuracy of the melting temperature, and thus ensuring the complete melting of the raw materials;
[0033] After melting, the electric telescopic support 26 rises, so that the graphite plug 24 opens the output end of the melting barrel 21, and the size of the opened gap is the flow size of the molten liquid. The molten liquid flows into the lower granulating barrel 4 under its own weight and contacts the cooling water and solidifies to achieve the granulation purpose;
[0034] After granulation, the water inside the pipeline interface 41 of the granulating barrel 4 is drained, then the flange butterfly valve 5 is opened, the material flows to the discharge butterfly valve 33 under its own weight, and the discharge butterfly valve 33 is opened to obtain the product.
[0035] Preferably, shock-absorbing support feet 6 are installed at the four corners of the bottom of the body 1. With such a design, the smooth operation during operation is ensured, and the noise generated by the running collision vibration is reduced. In fact, the selection of the shock-absorbing support feet 6 can also be considered according to specific situations.
[0036] Preferably, the body 1 is equipped with an operation panel. With such a design, it is conducive to viewing and inputting parameters. In fact, the position of the operation panel can also be considered according to specific situations.
[0037] Preferably, the granulation barrel 4 is provided with an observation window 7. With such a design, it is conducive to visually observing the operation status. In fact, the position and size of the observation window 7 can also be considered according to specific situations.
[0038] Preferably, the body 1 is installed with a support rod 8. With such a design, the overall support effect is ensured. In fact, the position number and support measures of the support rod 8 can also be considered according to specific situations.
[0039] The above embodiments only exemplarily illustrate the principles and effects of the present invention, rather than limiting the present invention. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes completed by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed by the present invention should still be covered by the claims of the present invention.
Claims
1. An efficient vacuum granulator, comprising a body (1), characterized in that: The machine body (1) is equipped with a smelting mechanism (2) and a material taking mechanism (3); the output end of the smelting mechanism (2) is connected to a granulation barrel (4); a flange butterfly valve (5) is installed between the granulation barrel (4) and the material taking mechanism (3); The smelting mechanism (2) comprises a smelting barrel (21), the smelting barrel (21) is hingedly mounted with a smelting cover (22), a graphite crucible (23) is mounted inside the smelting barrel (21), a graphite plug (24) is mounted inside the graphite crucible (23), the end of the graphite plug (24) is in contact with the output end of the graphite crucible (23), a graphite plug rod (25) is mounted inside the graphite plug (24), an electric telescopic support (26) is mounted inside the smelting barrel (21), a temperature probe (27) is mounted on the electric telescopic support (26) and the end of the graphite plug rod (25) contacts the end of the graphite plug rod (25), and an induction coil (28) is mounted outside the graphite crucible (23); The material taking mechanism (3) comprises a material discharge barrel (31) connected to the flange butterfly valve (5); the material discharge barrel (31) is smoothly connected to a material discharge port (32) at a right angle; and a material discharge butterfly valve (33) is installed at the material discharge port (32); The granulation barrel (4) is provided with pipeline interfaces (41) on both the upper and lower sides.
2. An efficient vacuum granulator according to claim 1, characterized in that: Shock-absorbing support feet (6) are installed at the four corners of the bottom of the machine body (1).
3. An efficient vacuum granulator according to claim 2, characterized in that: The machine body (1) is equipped with an operation panel.
4. An efficient vacuum granulator according to claim 3, characterized in that: The granulation barrel (4) is provided with an observation window (7).
5. An efficient vacuum granulator according to claim 4, characterized in that: The machine body (1) is equipped with a support rod (8).