Temperature-controllable iron oxide powder mixing device
By employing a conical and annular groove structure and a ceramic annular heating rod design in the iron oxide powder mixing device, the problem of poor heating and temperature control in existing devices has been solved, achieving more efficient mixing and temperature control.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YIXING YUXING IND & TRADE
- Filing Date
- 2025-06-13
- Publication Date
- 2026-06-16
AI Technical Summary
The existing iron oxide powder mixing device has poor heating and temperature control, and the small contact area between the powder and the heating element affects the mixing effect.
A temperature-controlled iron oxide powder mixing device is designed, which adopts a conical and annular groove structure, combined with a rotary motor and a rotating mesh plate. It utilizes a ceramic annular heating rod in the annular heating area for heating, and achieves uniform mixing and heating by rotating the rotating mesh plate and mixing plate in the groove.
It improves mixing effect and heating efficiency, ensures uniformity of powder particle size and chemical composition, and achieves precise control of temperature inside the mixing chamber.
Smart Images
Figure CN224358376U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of iron oxide preparation technology, specifically a temperature-controlled iron oxide powder mixing device. Background Technology
[0002] Mixing iron oxide powder serves two purposes: firstly, to achieve uniform particle size distribution and chemical composition, preventing agglomeration and performance degradation; and secondly, to mix it with other powders to achieve uniform mixing of different powder materials. Moreover, most iron oxide powders require heating with heating elements during mixing to reach the required mixing temperature, thereby increasing mixing efficiency and quality.
[0003] The structural design of mixing devices in the prior art is usually relatively simple. For example, in the "mixing device for processing iron oxide pigment" disclosed in application publication number CN119857406A, mixing is achieved through an internally set mixing mechanism and grinding mechanism.
[0004] For example, the "An apparatus for producing iron oxide pigment" disclosed in Publication (Announcement) No. CN205472716U uses the rotation of a drum to achieve intermittent feeding. During processing, the iron oxide pigment inside the drum is heated by a heater and kept warm by an external heatsink.
[0005] The above-mentioned technical solutions typically involve directly installing a heater inside the mixing device for heating. However, the existing heating and temperature control effects are not good, as the direct contact area between the powder and the heating element is not large, which significantly affects the control of the heating effect.
[0006] Therefore, in order to solve the above problems, it is necessary to develop a temperature-controlled iron oxide powder mixing device with a reasonable structure and improved mixing effect. Utility Model Content
[0007] The purpose of this invention is to address the shortcomings of existing technologies by providing a temperature-controlled iron oxide powder mixing device; the technical solution is as follows:
[0008] A temperature-controlled iron oxide powder mixing device includes a mixing box. A conical groove is provided at the middle of the bottom of the mixing box, and several annular grooves are provided around the outer periphery of the conical groove. The annular grooves are concentric, and the conical grooves are concentric with the conical groove in the middle. The vertical cross-section of the annular grooves is conical, and the annular grooves and the conical grooves in the middle form a continuous wave shape in the vertical cross-section.
[0009] A rotary motor is also installed at the middle position of the upper end of the mixing box. The main shaft of the rotary motor extends into the mixing box, and a rotating mesh plate is installed at the end of the shaft. A downward protruding mixing plate is installed at the middle position of the rotating mesh plate. The mixing plate is set as a conical structure and corresponds to the shape of the conical groove below. The mixing plate extends into the conical groove accordingly.
[0010] Furthermore, the lower end face of the rotating mesh plate is provided with a mixing plate corresponding to the position of the annular groove below. The mixing plate has a conical structure and extends downward into the corresponding annular groove. When the rotating mesh plate rotates, it drives the mixing plate at the corresponding position to rotate within the conical groove and the annular groove.
[0011] Furthermore, the upper end of the mixing box is provided with a feed pipe. The powder entering through the feed pipe falls onto the rotating screen plate and then falls through the mesh of the rotating screen plate, corresponding to the conical groove and the annular groove below.
[0012] Furthermore, a discharge pipe is installed at the lower end of both the conical groove and the annular groove, and a solenoid valve is also installed on the discharge pipe.
[0013] Furthermore, a receiving box is provided below the mixing box, and the receiving range of the receiving box covers the positions of all the discharge pipes above.
[0014] Furthermore, the lower end of the mixing box has two annular grooves, and the rotating mesh plate has two mixing plates corresponding to each annular groove.
[0015] Furthermore, two annular grooves form two annular heating areas on the outer side of the mixing box, and annular plates are installed at the lower ends of the two heating areas. A heating device is installed on the annular plate, and the heating device transfers heat to the annular groove through the heating area after heating.
[0016] Furthermore, the heating device is configured as a single resistance heater, with several evenly spaced resistance heaters installed on each annular plate.
[0017] Furthermore, the heating device is configured as a ceramic annular heating rod, the size of which is adapted to the size of the annular plate, and the wiring terminals of the two ceramic annular heating rods are located on the same side; the wiring terminals are connected to an external power supply device and wires.
[0018] Beneficial effects: This utility model has the following beneficial effects:
[0019] 1) In this device, a conical groove is set in the middle of the bottom of the mixing box, and an annular groove is set on the outside. A mixing plate with a corresponding position is set on the rotating screen plate. The rotating screen plate drives the mixing plate to rotate in the conical groove and the annular groove to mix the powder, increase the heat contact area and improve the mixing effect.
[0020] 2) In this device, the powder first falls onto the rotating screen plate. As the rotating screen plate rotates, the material is initially mixed, filtered, and some large agglomerated powder particles can be crushed, effectively ensuring the particle size requirements of the powder falling into the mixing box.
[0021] 3) In this device, an annular groove is used to form an annular heating area at the lower end. After the heating area is sealed by the annular plate, the heating device can be installed in the internal heating area. The structure is reasonably designed.
[0022] 4) After the heating device is set in the annular heating area of this device, the heating area can be effectively increased through this structural design, and the powder can be directly heated in the annular groove, thus improving the heating effect;
[0023] 5) Specifically, the heating device is set as a ring-shaped ceramic ring heating rod, which can be installed in the ring heating area. The wiring terminals of the two ceramic ring heating rods are set on the same side, which facilitates the connection of external power supply devices and temperature sensors for feedback adjustment, and can better regulate and control the temperature in the mixing box. Attached Figure Description
[0024] Figure 1 This is a structural diagram of the present utility model;
[0025] Figure 2 This is a structural diagram of the rotating mesh plate in this utility model;
[0026] Figure 3 This is a structural diagram of the mixing box in this utility model;
[0027] Figure 4 for Figure 2 A-direction view;
[0028] Figure 5 for Figure 2 View from direction B;
[0029] Figure 6 for Figure 3 C-direction view;
[0030] Figure 7 This is a structural diagram of the ceramic annular heating rod in this utility model;
[0031] The components include: a mixing box 1; a conical groove 2; an annular groove 3; a rotary motor 4; a rotary mesh plate 5; a mixing plate 6; a feed pipe 7; a discharge pipe 8; a solenoid valve 9; a receiving box 10; a heating zone 11; an annular plate 12; a heating device 13; and a ceramic annular heating rod 14. Detailed Implementation
[0032] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments. These embodiments are implemented under the premise of the technical solution of the present invention. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention.
[0033] like Figure 1 and Figure 4 As shown, a temperature-controlled iron oxide powder mixing device includes a mixing box 1. A conical groove 2 is provided at the middle position of the bottom of the mixing box 1, and several annular grooves 3 are correspondingly provided around the outer periphery of the conical groove 2. The several annular grooves 3 on the outer periphery are concentric, and the annular grooves 3 and the conical groove 2 in the middle are concentric. The vertical cross section of the annular grooves 3 is conical, and the annular grooves 3 and the conical groove 2 in the middle form a continuous wave shape on the vertical cross section.
[0034] A rotary motor 4 is installed at the middle position of the upper end of the mixing box 1. The main shaft of the rotary motor 4 extends into the mixing box 1, and a rotary screen plate 5 is installed at the end of the shaft. A downward protruding mixing plate 6 is installed at the middle position of the rotary screen plate 5. The mixing plate 6 is set as a conical structure and corresponds to the shape of the conical groove 2 below. The mixing plate 6 extends into the conical groove 2 accordingly.
[0035] like Figure 2 and Figure 5 As shown, the lower end face of the rotating mesh plate 5 is also provided with a mixing plate 6 corresponding to the position of the annular groove 3 below. The mixing plate 6 has a conical structure and extends downward into the corresponding annular groove 3. When the rotating mesh plate 5 rotates, it drives the mixing plate 6 at the corresponding position to rotate in the conical groove 2 and the annular groove 3.
[0036] The upper end of the mixing box 1 is provided with a feed pipe 7. The powder entering through the feed pipe 7 falls onto the rotating screen plate 5 and then falls through the mesh of the rotating screen plate 5, corresponding to the conical groove 2 and the annular groove 3 below.
[0037] like Figure 3 and Figure 6 As shown, discharge pipes 8 are installed at the lower ends of both the conical groove 2 and the annular groove 3, and solenoid valves 9 are also installed on the discharge pipes 8.
[0038] Below the mixing box 1, there is also a receiving box 10, the receiving range of which covers the position of all the discharge pipes 8 above.
[0039] There are two annular grooves 3 at the lower end of the mixing box 1, and two mixing plates 6 on the rotating mesh plate 5 corresponding to the positions of each annular groove 3.
[0040] Two annular grooves 3 form two annular heating areas 11 on the outer side of the mixing box 1, and annular plates 12 are installed at the lower ends of the two heating areas 11. A heating device 13 is installed on the annular plate 12. After heating, the heating device 13 transfers heat to the annular grooves 3 through the heating areas 11.
[0041] The heating device 13 is configured as a single resistance heater, and several uniformly spaced resistance heaters are installed on each annular plate 12.
[0042] like Figure 7 As shown, the heating device 13 is configured as a ceramic ring heating rod 14, the size of which is adapted to the size of the ring plate 12, and the wiring terminals 15 of the two ceramic ring heating rods 14 are located on the same side; the wiring terminals 15 are connected to the wiring terminals 15 through an external power supply device 16 and wires 17.
[0043] The specific working process of this device is as follows: The powder entering the device through the feed pipe first falls downward onto the rotating screen plate. The rotating screen plate itself is equipped with mesh holes, and the inner diameter of the mesh holes matches the feed size of the powder. When the rotating motor drives the rotating screen plate to rotate accordingly, the powder will first rotate on the rotating screen plate. On the one hand, the powder is mixed, and on the other hand, larger particles are filtered out, and agglomerated particles are crushed by rotation, ensuring that the powder particles falling below meet the requirements.
[0044] The powder falling from the rotating screen into the mixing chamber below will fall into the annular groove. As the rotating screen rotates, it drives the mixing plate at the lower end to rotate in the corresponding annular groove. The shapes of the mixing plate and the annular groove are matched, both being set as conical structures. When the mixing plate rotates in the annular groove, the powder in the annular groove is carried out from the groove and falls back into the groove, thus mixing while the mixing plate rotates.
[0045] Furthermore, the design of the annular groove creates a conical heating area below the annular groove. This heating area is open at the bottom. The device encloses the heating area by installing an annular plate at the bottom of the heating area, and a corresponding heating device is installed within the heating area.
[0046] Since the heating area is formed by an annular groove, the wavy structure can increase the heating area. In addition, the powder falls directly into the annular groove and directly contacts the annular groove when the mixing plate is stirring and mixing, thus directly heating the powder, improving heating efficiency, and making temperature control more convenient and accurate.
[0047] Furthermore, this device specifically sets the heating element as a ring-shaped ceramic heating rod. Since the heating area itself is designed in a ring shape, the existing ceramic ring heating rod can be placed within the heating area, fitting perfectly within the ring-shaped heating area. This device has two ceramic ring heating rods. For ease of installation, the wiring terminals of the two ceramic ring heating rods are located on the same side. Then, they are connected to an external power supply or control component via wires to control the heating power of the ceramic ring heating rods. At the same time, a temperature sensor can be installed inside the mixing chamber for feedback adjustment, which can effectively regulate and control the temperature inside the mixing chamber.
[0048] The ceramic annular heating rod in this device is an existing heating device, so its specific structure is not described in detail. For details, please refer to the metal-ceramic heater produced by Changzhou Liande Ceramics Co., Ltd.; and the specific temperature adjustment method is also existing technology and is not described in detail.
[0049] The above-described specific embodiments are merely preferred embodiments of this utility model and are not intended to limit the implementation of this utility model or the scope of the claims. All equivalent changes and modifications made in accordance with the scope of protection of this utility model patent application should be included within the scope of this utility model patent application.
Claims
1. A temperature-controlled iron oxide powder mixing device, characterized in that: The mixture includes a mixing box (1), and a conical groove (2) is provided at the middle of the bottom of the mixing box (1). A number of annular grooves (3) are provided around the conical groove (2). The annular grooves (3) are concentric, and the annular grooves (3) and the conical groove (2) are concentric. The vertical cross-section of the annular grooves (3) is conical, and the annular grooves (3) and the conical grooves (2) form a continuous wave shape on the vertical cross-section. A rotary motor (4) is also installed at the middle position of the upper end of the mixing box (1). The main shaft of the rotary motor (4) extends into the mixing box (1), and a rotary mesh plate (5) is installed at the end of the shaft. A downward protruding mixing plate (6) is installed at the middle position of the rotary mesh plate (5). The mixing plate (6) is set as a conical structure and corresponds to the shape of the conical groove (2) below. The mixing plate (6) extends into the conical groove (2) accordingly. Furthermore, the lower end face of the rotating mesh plate (5) is provided with a mixing plate (6) corresponding to the position of the annular groove (3) below. The mixing plate (6) has a conical structure and extends downward into the corresponding annular groove (3). When the rotating mesh plate (5) rotates, it drives the mixing plate (6) at the corresponding position to rotate in the conical groove (2) and the annular groove (3).
2. The temperature-controlled iron oxide powder mixing device according to claim 1, characterized in that: The mixing box (1) is provided with a feed pipe (7) at the upper end. The powder entering from the feed pipe (7) falls onto the rotating screen plate (5) and then falls through the mesh of the rotating screen plate (5), corresponding to the conical groove (2) and the annular groove (3) below.
3. The temperature-controlled iron oxide powder mixing device according to claim 2, characterized in that: The lower ends of the conical groove (2) and the annular groove (3) are both equipped with discharge pipes (8), and the discharge pipes (8) are also equipped with solenoid valves (9).
4. The temperature-controlled iron oxide powder mixing device according to claim 3, characterized in that: Below the mixing box (1) is a receiving box (10), the receiving range of which covers the position of all the discharge pipes (8) above.
5. The temperature-controlled iron oxide powder mixing device according to claim 1, characterized in that: The mixing box (1) has two annular grooves (3) at its lower end, and the rotating mesh plate (5) has two mixing plates (6) corresponding to the positions of each annular groove (3).
6. The temperature-controlled iron oxide powder mixing device according to claim 5, characterized in that: Two annular grooves (3) form two annular heating areas (11) on the outer side of the mixing box (1), and annular plates (12) are installed at the lower ends of the two heating areas (11), and heating devices (13) are installed on the annular plates (12). After the heating devices (13) are heated, they transfer heat to the annular grooves (3) through the heating areas (11).
7. The temperature-controlled iron oxide powder mixing device according to claim 6, characterized in that: The heating device (13) is configured as a single resistance heater, and several uniformly spaced resistance heaters are installed on each annular plate (12).
8. The temperature-controlled iron oxide powder mixing device according to claim 6, characterized in that: The heating device (13) is configured as a ceramic ring heating rod (14), the size of which is adapted to the size of the ring plate (12), and the wiring terminals (15) of the two ceramic ring heating rods (14) are located on the same side; the wiring terminals (15) are connected to the wiring terminals (15) through an external power supply device (16) and wires (17).