A magnetic separation device for removing barite powder metal impurities
By designing the feeding hopper, the direct vibration feeding mechanism, and the magnetic roller of the magnetic separation device, the problem of magnetically adsorbable metallic impurities in barite powder is solved, achieving high-purity processing of barite powder and meeting the application requirements.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 四川越盛能源集团有限公司
- Filing Date
- 2025-06-09
- Publication Date
- 2026-06-05
AI Technical Summary
Existing technologies are unable to effectively adsorb magnetically attracted metallic impurities that are deeply embedded in barite powder, resulting in the purity of barite powder failing to meet usage requirements.
Design a magnetic separation device, including a feeding hopper, a direct vibration feeding mechanism, a baffle plate, a first magnetic suction roller, and a discharge hopper. Through the cooperation of vibration and the baffle plate, barite powder is evenly spread to a set thickness. The magnetic suction roller is used to adsorb magnetically attracted metal impurities, and large particles of impurities are removed by sieving through a sieve plate section to improve purity.
It effectively adsorbs magnetically adsorbable metallic impurities doped in barite powder, improving the purity of barite powder, and removes large particle impurities to meet usage requirements.
Smart Images
Figure CN224321585U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of barite screening equipment, specifically to a magnetic separation device for removing metallic impurities from barite powder. Background Technology
[0002] Barite is a common barium-containing mineral, its main chemical component being barium sulfate. It has a wide range of uses, including as a weighting agent in drilling mud, a base material for manufacturing zinc barium white pigment, and for producing various barium compounds. However, barite powder inevitably contains metallic impurities, which affect its physical and chemical properties. Therefore, during barite powder production, appropriate separation methods must be selected based on the type, particle size, density, and physicochemical properties of the metallic impurities to remove them. Commonly used methods for removing metallic impurities from barite powder include magnetic separation, sieving, gravity separation, electrostatic separation, and flotation.
[0003] Magnetic separation is primarily used to remove impurities containing magnetically adsorbable metals such as iron (Fe), nickel (Ni), and cobalt (Co), or their oxides. It utilizes magnetic differences to adsorb these impurities using a magnetic separator. During impurity removal, barite powder is conveyed to (or directly poured into) the magnetic separator (such as a permanent magnet drum or electromagnetic separator) via a conveyor belt, allowing the magnetically adsorbable metal impurities to adhere to the surface of the magnetic roller, thus achieving impurity removal. However, when magnetically adsorbable metal impurities are mixed into the barite powder, the magnetic adsorption time is short, and when these impurities are located deep within the barite powder, they are difficult to effectively adsorb by the magnetic roller, resulting in the purity of the barite powder failing to meet usage requirements. Utility Model Content
[0004] To address the technical problem that deep-seated impurities in barite powder are difficult to effectively adsorb by magnetic rollers, this invention provides a magnetic separation device for removing metallic impurities from barite powder. During the barite powder conveying process, the powder can be spread to a set thickness so that the magnetic roller can effectively adsorb magnetically adsorbable metallic impurities mixed in the barite powder, thereby improving the purity of the barite powder.
[0005] This utility model is achieved through the following technical solution:
[0006] This utility model provides a magnetic separation device for removing metallic impurities from barite powder, comprising: a feeding hopper with a discharge port at its lower end; a direct vibration feeding mechanism including a first vibrator and a feeding trough, the feeding trough being mounted on the first vibrator, one end of the feeding trough being located below the discharge port, and the other end being a sieve plate shape and adapted to be equipped with a baffle; a baffle plate mounted above the feeding trough, its lower end being spaced apart and inserted into the feeding trough, and its width being adapted to the width of the feeding trough; a first magnetic suction roller mounted above the sieve plate section of the feeding trough for adsorbing magnetically adsorbable materials on the sieve plate section of the feeding trough; and a discharge hopper mounted below the sieve plate section of the feeding trough for collecting materials discharged from the sieve plate section of the feeding trough.
[0007] This utility model provides a magnetic separation device for removing metallic impurities from barite powder, including a feeding hopper, a direct vibrating feeding mechanism, a baffle plate, a first magnetic suction roller, and a discharge hopper. The direct vibrating feeding mechanism includes a first vibrator and a feeding trough. The feeding trough is installed on the first vibrator, with one end located below the discharge port and the other end in the shape of a sieve plate and fitted with a baffle plate. The lower end of the baffle plate is inserted into the feeding trough at intervals. The first magnetic suction roller is installed above the sieve plate section of the feeding trough, and the discharge hopper is installed below the sieve plate section of the feeding trough. During operation, the produced barite powder is fed into the feeding hopper to add the barite powder to the feeding trough. At the same time, the first vibrator drives the feeding trough to vibrate, thereby conveying the barite powder from the discharge port to the discharge hopper through the vibration of the feeding trough.
[0008] The feeding trough is vibrated by a first vibrator, which simultaneously transports barite powder and disperses the powder, ensuring it is evenly distributed on the bottom. As the powder passes under a baffle plate, the baffle plate prevents it from spreading the powder to a predetermined thickness on the bottom of the trough. This thickness is then maintained as the powder moves towards the sieve section. Upon reaching the sieve section, metallic impurities are magnetically attracted to the surface of a first magnetic roller. The barite powder, under the vibration of the sieve section, falls through the sieve openings into the discharge hopper, thus removing metallic impurities. Furthermore, the sieve section can be configured with micropores to remove non-magnetically attractable metal particles larger than the barite powder (such as large copper or aluminum shavings), further improving the purity of the barite powder.
[0009] In an optional embodiment of this application, the discharge end of the feeding hopper is equipped with a coarse screen plate to screen out non-magnetically attracted metal particles (such as large copper shavings, aluminum shavings, etc.) that are significantly larger than the barite powder.
[0010] In an optional embodiment of this application, the coarse screen plate is adapted to be equipped with a second vibrator to drive the coarse screen plate to vibrate, so as to avoid non-magnetic metal particles with a particle size significantly larger than barite powder from clogging the mesh of the coarse screen plate, and to ensure that the barite powder can fall from the discharge port of the feeding hopper into the feeding trough.
[0011] In an optional embodiment of this application, the second vibrator is an eccentric vibrator to prevent barite powder from entering the interior of the second vibrator and affecting its service life.
[0012] In an optional embodiment of this application, the bottom of the feeding trough in the middle is provided with multiple protrusions so that the barite powder is further dispersed by the impact of the protrusions during the vibration of the feeding trough, so as to prevent the barite powder from agglomerating into small pieces after being blocked by the baffle plate, so that the magnetically adsorbable metal particles inside cannot be adsorbed by the magnetic roller.
[0013] In an optional embodiment of this application, the protrusion is arc-shaped to avoid forming a small-angle transition at the bottom of the feeding trough.
[0014] In an optional embodiment of this application, the height of the protrusion is less than 0.5 mm to avoid obstructing the transport of barite powder.
[0015] In an optional embodiment of this application, a second magnetic roller is also included. The second magnetic roller is installed above the raised section of the feeding trough and is used to adsorb magnetically adsorbable materials on the raised section of the feeding trough, so as to adsorb magnetically adsorbable metal impurities located on the raised section by means of the second magnetic roller.
[0016] In an optional embodiment of this application, the first vibrator is an electromagnetic vibrator to facilitate precise control of the vibration frequency of the feeding trough.
[0017] In an optional embodiment of this application, the feeding trough is made of stainless steel or aluminum alloy to ensure that the feeding trough has sufficient structural strength while avoiding affecting the operation of the magnetic roller.
[0018] Compared with the prior art, the present invention has the following advantages and beneficial effects:
[0019] 1. The magnetic separation device for removing metallic impurities from barite powder provided by this utility model includes a feeding hopper, a direct vibrating feeding mechanism, a baffle plate, a first magnetic suction roller, and a discharge hopper. The direct vibrating feeding mechanism includes a first vibrator and a feeding trough. The feeding trough is installed on the first vibrator, with one end located below the discharge port and the other end being a sieve plate with a baffle plate. The lower end of the baffle plate is inserted into the feeding trough at intervals. The first magnetic suction roller is installed above the sieve plate section of the feeding trough, and the discharge hopper is installed below the sieve plate section of the feeding trough. During operation, the produced barite powder is fed into the feeding hopper to add the barite powder to the feeding trough. Simultaneously, the first vibrator drives the feeding trough to vibrate, thereby removing metallic impurities from the barite powder through the vibration of the feeding trough. The magnetic roller conveys barite powder from the discharge port to the discharge hopper, which can shake and disperse the barite powder pile so that the barite powder is evenly spread on the bottom of the feeding trough. The baffle plate blocks the barite powder to spread it at a set thickness on the bottom of the feeding trough. It continues to move towards the screen plate section of the feeding trough with this thickness, which allows the magnetic roller to effectively adsorb magnetic metal impurities mixed in with the barite powder. The barite powder falls from the screen holes of the screen plate section into the discharge hopper under the vibration of the screen plate section, thereby removing metal impurities from the barite powder. Therefore, the magnetic roller of this invention can effectively adsorb magnetic metal impurities mixed in with barite powder, thereby improving the purity of barite powder.
[0020] 2. The magnetic separation device for removing metal impurities from barite powder provided by this utility model can also be configured with micropores in the sieve plate section to screen out non-magnetically adsorbable metal particles with a particle size larger than that of barite powder, thereby further improving the purity of barite powder. Attached Figure Description
[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the embodiments will be briefly described below. It should be understood that the following drawings only show some embodiments of this utility model and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0022] In the attached diagram:
[0023] Figure 1 A cross-sectional view of the magnetic separation device for removing metallic impurities from barite powder provided in an embodiment of this application;
[0024] Figure 2 Examples of this application Figure 1 A magnified structural diagram of part A;
[0025] Figure 3 Examples of this application Figure 1 A magnified structural diagram of part B.
[0026] The attached figures include reference numerals and their corresponding component names:
[0027] 1-Feeding hopper, 2-First vibrator, 3-Feeding trough, 4-Baffle plate, 5-First magnetic suction roller, 6-Discharge hopper, 7-Coarse screen plate, 8-Second vibrator, 9-Second magnetic suction roller. Detailed Implementation
[0028] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0029] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.
[0030] It should be noted that similar reference numerals and letters in the following figures denote similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Unless otherwise specified, the embodiments and features described in this application can be combined with each other.
[0031] In the description of the embodiments of this application, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the product of this application is usually placed in when in use, or the orientation or positional relationship that is commonly understood by those skilled in the art. It is only for the convenience of describing this application and simplifying the description, and is not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this application.
[0032] In the description of this application, unless otherwise expressly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0033] Example
[0034] Combination Figure 1 and Figure 2 This embodiment provides a magnetic separator for removing metallic impurities from barite powder, comprising: a feeding hopper 1 with a discharge port at its lower end; a direct vibration feeding mechanism including a first vibrator 2 and a feeding trough 3, wherein the feeding trough 3 is mounted on the first vibrator 2, one end of the feeding trough 3 is located below the discharge port, and the other end is a sieve plate and adapted to be equipped with a baffle; a baffle plate 4, mounted above the feeding trough 3, with its lower end spaced inside the feeding trough 3 and its width adapted to the width of the feeding trough 3; a first magnetic suction roller 5, mounted above the sieve plate section of the feeding trough 3, for adsorbing magnetically adsorbable materials on the sieve plate section of the feeding trough 3; and a discharge hopper 6, mounted below the sieve plate section of the feeding trough 3, for collecting materials discharged from the sieve plate section of the feeding trough 3.
[0035] Combination Figure 3 The discharge end of the feeding hopper 1 is equipped with a coarse screen plate 7 to screen out non-magnetic metal particles (such as large copper shavings, aluminum shavings, etc.) that are significantly larger than the barite powder.
[0036] In this embodiment, the coarse screen plate 7 is equipped with a second vibrator 8 to drive the coarse screen to vibrate, so as to avoid non-magnetic metal particles with a particle size significantly larger than barite powder from blocking the mesh of the coarse screen plate 7, and to ensure that the barite powder can fall from the discharge port of the feeding hopper 1 into the feeding trough 3.
[0037] It is understood that the second vibrator 8 can be a magnetostrictive vibrator or an eccentric vibrator. In this embodiment, the second vibrator 8 is an eccentric vibrator to avoid barite powder from entering the interior of the second vibrator 8 and affecting its service life.
[0038] It should be noted that the vibration of the direct vibration feeding mechanism can take the following forms: electromagnetic type, where alternating current is applied to the electromagnetic coil to generate an alternating magnetic field, causing the armature and the feeding trough 3 to reciprocate at high frequency; and motor type, where the rotation of the eccentric block generates centrifugal force, forming a directional vibration wave. The material movement mechanism includes: throwing motion, where the material is briefly thrown up by inertia when the feeding trough 3 vibrates, and then falls back into the feeding trough 3 under gravity. Each throw causes the material to slide forward a small distance (on the millimeter level), forming a continuous flow under high-frequency vibration; and vibration direction angle: the direction of the vibration force forms a certain angle (e.g., 3°) with the plane of the feeding trough 3, which is decomposed into vertical and horizontal components. The vertical component overcomes friction, while the horizontal component propels the material forward.
[0039] It should be understood that, in this embodiment, the first vibrator 2 is an electromagnetic vibrator, so as to accurately control the vibration frequency of the feeding trough 3.
[0040] Typically, the feeding trough 3 is made of stainless steel or aluminum alloy to ensure sufficient structural strength while avoiding any impact on the operation of the magnetic roller. The sieve plate section can be configured with micropores (controlled to be slightly larger than the barite powder) to screen out non-magnetically adsorbable metal particles (such as large copper or aluminum shavings) larger than the barite powder, thereby further improving the purity of the barite powder.
[0041] Based on this, the bottom of the middle section of the feeding trough 3 is provided with multiple protrusions so that the barite powder can be further dispersed by the impact of the protrusions during the vibration of the feeding trough 3, so as to prevent the barite powder from forming small lumps after being blocked by the baffle plate 4, and thus prevent the magnetically adsorbable metal particles inside from being adsorbed by the magnetic roller.
[0042] Generally, the protrusion is arc-shaped to avoid forming a small angle transition at the bottom of the feeding trough 3.
[0043] In this embodiment, the height of the protrusion is less than 0.5 mm to avoid obstructing the transport of barite powder.
[0044] Furthermore, it also includes a second magnetic roller 9, which is installed above the raised section of the feeding trough 3 and is used to adsorb magnetically adsorbable materials on the raised section of the feeding trough 3, so as to adsorb magnetically adsorbable metal impurities located on the raised section through the second magnetic roller 9.
[0045] It is understood that the first magnetic roller 5 and the second magnetic roller 9 can be permanent magnets or electromagnetic rollers. At the same time, the sidewalls of the first magnetic roller 5 and the second magnetic roller 9 extend into the feeding trough 3, while the support portion is installed outside the feeding trough 3. The distance between the sidewalls of the rollers and the bottom of the feeding trough 3 should ensure that magnetically attractable metal impurities located on the bottom surface of the feeding trough 3 can be attracted.
[0046] In summary, the device includes a feeding hopper 1, a direct vibration feeding mechanism, a baffle plate 4, a first magnetic roller 5, and a discharge hopper 6. The direct vibration feeding mechanism includes a first vibrator 2 and a feeding trough 3. The discharge end of the feeding hopper 1 is fitted with a coarse screen plate 7, and the coarse screen plate 7 is fitted with a second vibrator 8. The feeding trough 3 is installed on the first vibrator 2, and one end of the feeding trough 3 is located below the discharge port, with multiple protrusions in the middle of the trough bottom. The other end is a screen plate and fitted with a baffle plate. The lower end of the baffle plate 4 is inserted into the feeding trough 3 at intervals. The first magnetic roller 5 is installed above the screen plate section of the feeding trough 3, and the discharge hopper 6 is installed below the screen plate section of the feeding trough 3.
[0047] During operation, the produced barite powder is fed into the feeding hopper 1, and the first vibrator 2 and the second vibrator 8 are turned on, driving the first magnetic roller 5 and the second magnetic roller 9 to rotate at a set speed. This causes the second vibrator 8 to drive the coarse screen to vibrate, thereby adding the barite powder to the feeding trough 3 through the feeding hopper 1. At the same time, the coarse screen traps non-magnetically adsorbable metal particles with a particle size significantly larger than the barite powder, thus removing corresponding metal impurities from the barite powder. The first vibrator 2 drives the feeding trough 3 to vibrate, thereby conveying the barite powder from the discharge port to the discharge hopper 6 through the vibration of the feeding trough 3.
[0048] The first vibrator 2 drives the feeding trough 3 to vibrate while conveying barite powder, which can disperse the barite powder pile so that the barite powder is evenly spread on the bottom of the feeding trough 3. When the barite powder passes under the baffle plate 4, the baffle plate 4 blocks the barite powder to spread on the bottom of the feeding trough 3 according to the set thickness, and continues to move towards the screen plate section of the feeding trough 3 with this thickness.
[0049] As the barite powder moves to the middle section of the feeding trough 3, the impact of the protrusions further disperses the powder, preventing it from clumping together into small clumps after being blocked by the baffle plate 4, thus preventing the magnetically adsorbable metal particles within from being attracted by the magnetic roller. Furthermore, the second magnetic roller 9 adsorbs the metal particles located on the protrusions.
[0050] When the barite powder layer moves to the sieve plate section of the feeding trough 3, the metal impurities can be magnetically attracted and adsorbed on the surface of the first magnetic roller 5 under the magnetic force of the first magnetic roller 5, while the barite powder falls from the sieve holes of the sieve plate section to the discharge hopper 6 under the vibration of the sieve plate section of the feeding trough 3, thereby removing the metal impurities in the barite powder. At the same time, the baffle at the end of the feeding trough 3 prevents the barite powder from moving forward.
[0051] In summary, the magnetic separation device for removing metallic impurities from barite powder provided in this embodiment can spread the barite powder to a set thickness during the conveying process, so that the magnetic roller can effectively adsorb magnetically adsorbable metallic impurities mixed in the barite powder, and can remove most of the non-magnetically adsorbable metallic particles that are significantly larger than the barite powder, thereby improving the purity of the barite powder.
[0052] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above description is only a specific embodiment of this utility model and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.
Claims
1. A magnetic separation device for removing metallic impurities from barite powder, characterized in that, include: The feeding hopper (1) has a discharge port at the lower end; The direct vibration feeding mechanism includes a first vibrator (2) and a feeding trough (3). The feeding trough (3) is installed on the first vibrator (2). One end of the feeding trough (3) is located at the lower end of the discharge port, and the other end is a sieve plate and is equipped with a baffle. A baffle plate (4) is installed above the feeding trough (3), with its lower end inserted into the feeding trough (3) at intervals, and its width is adapted to the width of the feeding trough (3); The first magnetic roller (5) is installed above the screen plate section of the feeding trough (3) and is used to adsorb magnetically adsorbable materials on the screen plate section of the feeding trough (3). The discharge hopper (6) is installed below the screen plate section of the feeding trough (3) and is used to collect the material discharged from the screen plate section of the feeding trough (3).
2. The magnetic separator for removing metallic impurities from barite powder according to claim 1, characterized in that, The discharge end of the feeding hopper (1) is equipped with a coarse screen plate (7).
3. The magnetic separation device for removing metallic impurities from barite powder according to claim 2, characterized in that, The coarse screen plate (7) is adapted to be equipped with a second vibrator (8).
4. The magnetic separator for removing metallic impurities from barite powder according to claim 3, characterized in that, The second vibrator (8) is an eccentric vibrator.
5. The magnetic separator for removing metallic impurities from barite powder according to claim 1, characterized in that, The bottom of the feeding trough (3) has multiple protrusions in the middle.
6. The magnetic separator for removing metallic impurities from barite powder according to claim 5, characterized in that, The protrusion is spherical.
7. The magnetic separator for removing metallic impurities from barite powder according to claim 5, characterized in that, The height of the protrusion is less than 0.5 mm.
8. The magnetic separation device for removing metallic impurities from barite powder according to claim 5, characterized in that, It also includes a second magnetic roller (9), which is installed above the raised section of the feeding trough (3) and is used to magnetically attract materials on the raised section of the feeding trough (3).
9. The magnetic separator for removing metallic impurities from barite powder according to claim 1, characterized in that, The first vibrator (2) is an electromagnetic vibrator.
10. The magnetic separation device for removing metallic impurities from barite powder according to any one of claims 1 to 9, characterized in that, The feeding trough (3) is made of stainless steel or aluminum alloy.