Material cleaning device for removing ferrous metal and dust

Abstract

In actual production, particles are sometimes doped with ferrous metals with different sizes, the utility model provides a material cleaning device for removing ferrous metals and dust, which comprises an equipment particle inlet, an equipment shell, a particle outlet, a clean airflow inlet, an impurity-carrying airflow outlet and an internal guide plate, and a magnet unit is arranged at the passing position of granular material circulation in the material cleaning device shell. The magnet unit is composed of a magnetic element; the arrangement mode of the magnetic elements can be plane distribution, curved surface distribution or matrix distribution; the surface magnetic induction intensity of the magnetic element is higher than 3800 gauss, and it is guaranteed that dust and ferrous metal impurities in the particles can be effectively purified.

Description

Technical Field

[0001] The present technology relates to the field of pellet purification equipment, and in particular to a pellet cleaning device for removing ferrous metals and dust. Background Art

[0002] Cleaning equipment is a commonly used equipment in the pellet purification industry, mainly used to remove dust and velvet impurities in pellets. There are many types of pellets and different production processes. Therefore, some pellets will contain granular black metal impurities of different sizes. Due to their high density, these ferrous metal impurities are not easy to be removed along with dust and velvet impurities. They will fall with the pellets, affecting the quality of the pellets and downstream use. In order to remove brown metal impurities in pellets, many users need to expand the original production space and purchase additional equipment to remove ferrous metal impurities separately. This not only increases production costs, but also increases the amount of expansion and renovation work.

[0003] Therefore, in order to overcome the above technical problems, a cleaning device for removing ferrous metals and dust has been designed, which can ensure that the original cleaning device purifies dust and velvet impurities in the granular materials while also removing ferrous metal impurities in the granular materials. Summary of the invention

[0004] In order to realize that the material cleaning equipment can not only remove dust, velvet impurities, but also remove ferrous metal impurities in the granular materials, a material cleaning device for removing ferrous metals and dust is designed. This device can achieve the purpose of removing ferrous metal impurities at the lowest cost and within the original production space for users.

[0005] A material cleaning device for removing ferrous metals and dust comprises a device pellet inlet, a device shell, a pellet outlet, a clean airflow inlet, an impurity-carrying airflow outlet, and an internal guide plate. A magnet unit is arranged at a through position of pellet flow inside the shell of the material cleaning device, and the magnet unit is composed of magnetic elements. The arrangement of the magnetic elements can be plane distribution, curved surface distribution or matrix distribution. The surface magnetic induction intensity of the magnetic elements is higher than 3800 Gauss.

[0006] Further, the magnetic element is a permanent magnet or an electromagnet or a hollow electromagnetic coil.

[0007] Furthermore, the electromagnet or hollow electromagnetic coil selected as the magnetic element meets the dust explosion-proof requirements.

[0008] Furthermore, the permanent magnets selected for the magnetic elements are rare earth permanent magnet materials.

[0009] Furthermore, the electromagnet or hollow electromagnetic coil is equipped with a heat dissipation device and an automatic protection device for overcurrent and short circuit.

[0010] Compared with the prior art, the material cleaning equipment of this solution has the function of removing ferrous metal impurities compared with conventional material cleaning equipment, which enables users to achieve the dual cleaning purposes of dust, velvet impurities and ferrous metals in granular materials in a low-cost manner. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a front cross-sectional view of the cleaning device.

[0012] Figure 2 Schematic diagram of the cleaning device

[0013] Figure 3 A side view of the cleaning device

[0014] Figure 4 A schematic diagram of a side cross-section of a magnet unit

[0015] Figure 5 Schematic diagram of the plane distribution of magnetic components

[0016] Figure 6 Schematic diagram of the position of the pellets in the cleaning device

[0017] Figure numbers: 1. Pellet inlet, 2. Pellet outlet, 3. Shell, 4. Clean air flow inlet, 41. Internal clean air flow inlet, 5. Impurity-carrying air flow outlet, 51. Internal impurity-carrying air flow outlet 6. Magnet unit, 61. Magnetic element bracket, 62. Bracket slide, 63. Magnetic element, 7. Internal partition, 8. Internal guide plate, 9. Pellet flow direction, 10. Pellet flow position. DETAILED DESCRIPTION

[0018] In order to make the technical solution of the device clearer, a complete description will be given below in conjunction with the drawings of the embodiment. Of course, the described embodiment is only a partial embodiment of the device, and all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of the device solution.

[0019] like Figure 1-Figure 3 As shown, a material cleaning device for removing ferrous metals and dust comprises a device pellet inlet 1, which is connected to a device housing 3 below, and a pellet outlet 2 is connected to the housing 3 below. A clean airflow inlet 4 is provided at the lower back of the material cleaning device, and an impurity-carrying airflow outlet 5 is provided at the upper back of the material cleaning device. An internal partition 7 is provided inside the material cleaning device to divide the interior of the device into two cavities, the front and the back; an internal impurity-carrying airflow outlet 51 is provided at the upper part of the front cavity, and an internal guide plate 8 is provided at the middle and lower parts of the front cavity; an internal clean airflow inlet 41 is provided at the middle and lower positions of the internal partition 7.

[0020] Figure 1The figure shows one embodiment of the material cleaning device, in which a magnet unit 6 is arranged at the particle passage position between the lower part of the device shell 3 and the particle outlet 2, and a magnetic element 63 in the magnet unit 6 is embedded in a magnetic element bracket 61, and then the magnetic element bracket 61 is inserted into the magnet unit 6 through a bracket slide 62. In this embodiment, the magnetic element 63 and the bracket 61 are installed into the magnet unit 6 by a pull-out installation method.

[0021] When the pellets enter the material cleaning device from the pellet inlet 1, they begin to flow downward along the pellet passage 10 reserved in the housing 3 and along the pellet passage flow direction 9. Within the range of the pellet passage 10, the pellets can not only purify and separate dust and velvet impurities, but also clean and remove ferrous metal impurities in the pellets through the magnet unit 6 set within the pellet passage 10, thereby achieving a comprehensive cleaning effect of the material cleaning device on impurities of different properties and types in the pellets. Figure 6 As shown, under actual working conditions, the designer can select the specific position of the magnet unit 6 by himself. In this embodiment, the magnet unit 6 is arranged near the pellet outlet 2.

[0022] In the present embodiment, the magnet unit 6 adopts a matrix distribution of magnetic elements 63, and each layer of magnetic elements 63 is fixed on a magnetic element bracket 61; the magnetic element bracket 61 is a square tetrahedron frame, and holes for fixing the magnetic elements are left on the opposite sides of the frame. The magnetic element bracket 61 with the magnetic elements 63 fixed is inserted into the magnet unit 6 along the bracket slide 62 in the magnet unit 6. The matrix distribution of magnetic elements 63 can select multiple layers of magnetic elements 63 for use in combination. In the present embodiment, the demonstration design selects 3 layers of magnetic elements 63 for use in combination with each other in a staggered matrix arrangement. Each layer of magnetic elements 63 mentioned here is assembled in a planar distribution manner. On the whole, the magnetic element bracket 61 fixes the magnetic elements 63 on a plane, such as Figure 5 shown.

[0023] Of course, those skilled in the art can determine whether the arrangement of the magnetic elements 63 is in a planar form or a curved form according to the specific structure of the material cleaning equipment used, so as to be more suitable for the installation and maintenance of the material cleaning device.

[0024] The magnetic element 61 is the core structure of the magnet unit 6 and can be a permanent magnet, an electromagnet, or a hollow electromagnetic coil. As long as the magnetic flux can meet the requirement of being above 3800 Gauss, it is applicable.

[0025] The material cleaning device is mostly used in dusty environments. Therefore, the electromagnet or hollow electromagnetic coil selected for the magnetic element 63 meets the dust explosion-proof requirements to ensure the long-term stability and safe production needs of the equipment.

[0026] The permanent magnet selected for the magnetic element can be a rare earth permanent magnet material.

[0027] When the magnetic element 63 is an electromagnet or a hollow electromagnetic coil, it needs to be equipped with a heat dissipation device and an automatic over-current and short-circuit protection device to ensure the safe use of the cleaning equipment.

Claims

1. A material cleaning device for removing ferrous metals and dust, comprising a device pellet inlet (1), a device housing (3), a pellet outlet (2), a clean air flow inlet (4), an impurity-carrying air flow outlet (5), and an internal guide plate (8), wherein: A magnet unit (6) is provided at a through-flow position (10) for the granular material to flow inside the housing of the material cleaning device, wherein the magnet unit is composed of a magnetic element (63); The arrangement of the magnetic elements may be a plane distribution, a curved surface distribution or a matrix distribution; The surface magnetic induction intensity of the magnetic element is higher than 3800 Gauss.

2. The material cleaning device for removing ferrous metals and dust according to claim 1 is characterized in that: The magnetic element is a permanent magnet or an electromagnet or a hollow electromagnetic coil.

3. The material cleaning device for removing ferrous metals and dust according to claim 2 is characterized in that: The electromagnet or hollow electromagnetic coil selected for the magnetic component meets the dust explosion-proof requirements.

4. The material cleaning device for removing ferrous metals and dust according to claim 2 is characterized in that: The permanent magnets used in the magnetic components are rare earth permanent magnet materials.

5. The material cleaning device for removing ferrous metals and dust according to claim 3 is characterized in that: The electromagnet or hollow electromagnetic coil is equipped with a heat dissipation device and an automatic protection device for overcurrent and short circuit.

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