Magnesium oxide coating liquid filtering device
By designing a magnesium oxide coating solution filtration device, large-particle magnesium oxide is separated using a vibration filtration and reflux system. This solves the problems of coating quality degradation and pipeline blockage caused by large particles in the magnesium oxide coating solution, achieving efficient filtration and environmentally friendly production.
Patent Information
- Application Number
- CN202423209952.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-25
AI Technical Summary
During the production of grain-oriented silicon steel, large particles generated in the magnesium oxide coating solution affect the coating quality and cause pipe blockage, leading to a decline in the surface quality of silicon steel and environmental pollution during the production process.
Design a magnesium oxide coating liquid filtration device, including a housing, a filter screen, a vibration motor and a delivery pump, to separate and discharge large particles of magnesium oxide through a vibration filtration and reflux filtration system, preventing them from entering the silicon steel surface.
It improves the filtration efficiency of magnesium oxide coating solution, prevents large particles from affecting the surface quality of silicon steel and clogging pipes, reduces environmental pollution, and extends equipment life.
Smart Images
Figure CN223654576U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of silicon steel production equipment, concretely relates to a magnesium oxide coating liquid filtering device. BACKGROUND
[0002] In the production process of oriented silicon steel, the steel strip often needs to be continuously high-temperature annealed to make the steel strip fully secondary recrystallized. In order to prevent sintering and adhesion between the steel coils during high-temperature annealing, a layer of magnesium oxide (MgO) coating liquid needs to be coated on the surface of the steel plate before high-temperature annealing. In the annealing process, the oxide (SiO2) formed on the surface layer of the magnesium oxide and the steel plate reacts to generate a magnesium silicate bottom layer (2MgO+SiO2→Mg2SiO4). The magnesium oxide coating liquid coated on the surface of the oriented silicon steel not only prevents the steel coils from sticking during high-temperature annealing, but also prevents the decomposition of MnS and AlN on the surface layer of the steel plate due to the exposure of the steel strip to weak oxidizing conditions before the reaction of magnesium oxide and silicon dioxide, and thus loses the inhibitory effect, resulting in imperfect secondary recrystallization and decreased magnetic properties. At the same time, the quality of the bottom layer directly affects the surface quality of the finished silicon steel product. If a good isolation coating cannot be formed, the coated insulating coating will fall off or leak in the subsequent production process.
[0003] In order to meet the special needs of silicon steel production, in addition to meeting the chemical purity, activity, water content and suspensibility, the particle size of the silicon steel grade magnesium oxide also has a higher requirement. The average particle size of the silicon steel grade magnesium oxide powder is about 2-4 μm, but large size magnesium oxide particles inevitably exist in the production process of magnesium oxide and during long-term use. These large particles of magnesium oxide will affect the quality of the product after being brought into the steel coil. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at overcoming the problem of the generation of large particle magnesium oxide in the magnesium oxide coating liquid during long-term use, which affects the use quality of the oriented silicon steel coating roll, and provides a magnesium oxide coating liquid filtering device. The device can filter out the substances with larger particle size in the magnesium oxide coating liquid, improve the coating quality and the plugging condition of the coating pipeline, and effectively solve the problem of the generation of large particle magnesium oxide in the magnesium oxide coating liquid, which affects the surface quality of the silicon steel and the plugging condition of the pipeline.
[0005] In order to achieve the above-mentioned purpose, the utility model provides a magnesium oxide coating liquid filtering device on one hand, which comprises a box body, a feeding port is formed in the upper part of the box body; a filter screen is arranged in the inside of the box body, and the filter screen separates the box body into an upper box body and a lower box body;
[0006] A first outlet is formed in the upper box body, and the first outlet is located above the filter screen; a second outlet is formed in the lower box body;
[0007] The magnesium oxide coating liquid filtering device further comprises a magnesium oxide coating liquid storage tank, a feeding pipe and a magnesium oxide coating liquid return pipe;
[0008] One end of the feeding pipe is connected with the magnesium oxide coating liquid storage tank, and the other end of the feeding pipe is arranged above the feeding port;
[0009] The second outlet is connected with the magnesium oxide coating liquid storage tank through the magnesium oxide coating liquid return pipe.
[0010] Preferably, the upper box body is a detachable structure, and the lower box body is a detachable structure.
[0011] Preferably, a splash-proof cover plate is arranged at the top of the box body.
[0012] Preferably, the magnesium oxide coating liquid filtering device comprises a liquid receiving box, and the liquid receiving box is located below the first outlet.
[0013] Preferably, a filter screen support frame is arranged in the box body, and the filter screen is arranged on the filter screen support frame.
[0014] Preferably, a vibration motor is further arranged on the box body.
[0015] Preferably, the magnesium oxide coating liquid filtering device further comprises a base, and the vibration motor is arranged in the base.
[0016] Preferably, a plurality of buffer springs are arranged at the bottom of the box body, and the buffer springs are arranged on the base.
[0017] Preferably, a shock absorber is arranged at the bottom of the base.
[0018] Preferably, the magnesium oxide coating liquid filtering device further comprises a conveying pump, the magnesium oxide coating liquid storage tank is connected with the conveying pump through a pipeline, and one end of the feeding pipe is connected with the conveying pump.
[0019] The magnesium oxide coating liquid filtering device has the following beneficial effects: the magnesium oxide coating liquid filtering device has a simple design structure and is convenient to implement, can separate large-particle magnesium oxide in magnesium oxide coating liquid, and can separately discharge the separated large-particle magnesium oxide from a level, through the vibration motor structure design, the box body can move up and down and left and right, a better large-particle magnesium oxide coating liquid separation effect is achieved, the work efficiency is improved, the filtering and separating efficiency is high, the operation is stable, the service life is long, the environmental pollution is small during production, the device is economic and practical, convenient to use, and suitable for magnesium oxide coating liquid filtering popularization and application. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 is a structural schematic view of the magnesium oxide coating liquid filtering device.
[0021] Explanation of reference numerals in the attached figures
[0022] 1. Feed inlet; 2. Filter screen; 3. Upper chamber; 31. First outlet; 4. Lower chamber; 41. Second outlet; 5. Magnesium oxide coating solution storage tank; 6. Feed pipe; 7. Magnesium oxide coating solution return pipe; 8. Anti-splash cover; 9. Liquid receiving box; 10. Filter screen support frame; 11. Vibration motor; 111. Vibration rod; 12. Base; 13. Buffer spring; 14. Transfer pump; 15. Large-particle magnesium oxide; 16. Filtered magnesium oxide coating solution. Detailed Implementation
[0023] The specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit the scope of this utility model.
[0024] The endpoints and any values of the ranges disclosed herein are not limited to the precise ranges or values, and these ranges or values should be understood to include values close to these ranges or values. For numerical ranges, the endpoint values of the various ranges, the endpoint values of the various ranges and individual point values, and individual point values can be combined with each other to obtain one or more new numerical ranges, which should be considered as specifically disclosed herein.
[0025] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.
[0026] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments provided by this utility model can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope claimed by this utility model.
[0027] This utility model provides a magnesium oxide coating liquid filtration device, such as... Figure 1As shown, the magnesium oxide coating liquid filtering device comprises a box, an inlet 1 is formed in the upper part of the box; a filter screen 2 is arranged in the box, and the filter screen 2 divides the box into an upper box 3 and a lower box 4;
[0028] A first outlet 31 is formed in the upper box 3, and the first outlet 31 is located above the filter screen 2; a second outlet 41 is formed in the lower box 4;
[0029] The magnesium oxide coating liquid filtering device further comprises a magnesium oxide coating liquid storage tank 5, a feeding pipe 6 and a magnesium oxide coating liquid return pipeline 7;
[0030] One end of the feeding pipe 6 is connected with the magnesium oxide coating liquid storage tank 5, and the other end of the feeding pipe 6 is arranged above the inlet 1;
[0031] The second outlet 41 is connected with the magnesium oxide coating liquid storage tank 5 through the magnesium oxide coating liquid return pipeline 7.
[0032] In the utility model, the magnesium oxide coating liquid is stored in the magnesium oxide coating liquid storage tank 5, then flows through the inlet 1 through the feeding pipe 6, and enters the box to be filtered.
[0033] In the utility model, the magnesium oxide coating liquid filtering device further comprises a conveying pump 14, the magnesium oxide coating liquid storage tank 5 is connected with the conveying pump 14 through a pipeline, and one end of the conveying pump 14 is connected with the feeding pipe 6; the magnesium oxide coating liquid in the magnesium oxide coating liquid storage tank 5 flows through the pipeline and is conveyed to the feeding pipe 6 through the conveying pump 14, then flows through the inlet 1 through the feeding pipe 6 and enters the box.
[0034] In the preferred case, the filter screen 2 is arranged along the inner periphery of the box, and the filter screen 2 is arranged at the bottom of the upper box 3; the magnesium oxide coating liquid falls into the upper box 3 through the inlet 1, and is filtered through the filter screen 2, wherein the large-particle magnesium oxide 15 that does not meet the requirements is separated out and remains on the filter screen 2, and the filtered magnesium oxide coating liquid 16 falls into the lower box 4 and flows out through the second outlet 41.
[0035] In one specific embodiment, the bottom of the lower box 4 is provided with the second outlet 41.
[0036] Further, the separated large-particle magnesium oxide 15 is discharged through the first outlet 31, so as to avoid that the magnesium oxide coating liquid is also discharged, therefore, the first outlet 31 is arranged above the filter screen 2, and the distance between the lowest end of the first outlet 31 and the filter screen 2 is 1-2 mm.
[0037] After long-time use and filtration, the upper box 3 and the lower box 4 and the filter screen 2 are prone to scaling, which affects the filtration operation, therefore, in the utility model, the upper box 3 is of a detachable structure, and the lower box 4 is also of a detachable structure, so as to facilitate disassembly and cleaning.
[0038] In the preferred case, to avoid the magnesium oxide coating liquid splashing and falling to the outside to cause waste when the magnesium oxide coating liquid falls into the upper box 3 through the feeding port 1, an anti-splashing cover plate 8 is further arranged at the top of the box.
[0039] The magnesium oxide coating liquid filtering device of the utility model includes a liquid receiving box 9, the liquid receiving box 9 is located below the first outlet 31, is used for collecting and storing the large particle magnesium oxide 15 discharged from the first outlet 31, and prevents causing environmental pollution.
[0040] Further, a filter screen support frame 10 is further arranged in the box, is used for supporting the filter screen 2, and the filter screen 2 is located on the filter screen support frame 10.
[0041] In the utility model, since the pore size of the filter screen 2 is small, if natural filtering is used, the filtering speed is extremely slow, and the filter screen 2 is extremely easy to be blocked, therefore, in the utility model, vibration filtering is used, therefore, in the preferred case, to facilitate operation, a vibration motor 11 is further arranged on the box, the vibration motor 11 includes a vibration rod 111 for keeping balance, the vibration motor 11 can generate high-frequency vibration and transmit the high-frequency vibration to the box and the filter screen 2 in the box, and then vibration filtering is carried out on the magnesium oxide coating liquid, and the filtering effect of the magnesium oxide coating liquid is improved.
[0042] In the further preferred case, the vibration motor 11 is arranged at the bottom of the box.
[0043] In the utility model, the vibration motor 11 used in the utility model is a vibration motor commonly used in the field, and is obtained by commercial purchase.
[0044] In the further preferred case, the vibration motor 11 is set to horizontal, vertical and inclined three-dimensional motion by adjusting the phase angle of the heavy hammer (unbalanced weight) installed at the upper and lower ends of the motor shaft of the vibration motor 11, and then the three-dimensional motion is transmitted to the box and the filter screen 2 in the box, the vibration of the box and the filter screen 2 in the box is ensured, the filtering effect of the magnesium oxide coating liquid is improved (the eccentric blocks at the upper and lower ends of the vibration motor 11 generate a composite inertia force due to high-speed placement, the inertia force forces the box to make a complex rotary motion, the box continuously makes reciprocating motion under the action of the vibration force, so as to drive the filter screen 2 to make periodic vibration, so that the magnesium oxide coating liquid on the filter screen 2 makes directional jumping motion together with the filter screen 2, and the purpose of vibration filtering is achieved), and the large particle magnesium oxide 15 separated is made to make an outward expanding involute motion on the filter screen 2, is discharged from the first outlet 31 after continuous jumping motion, and finally completes the filtering work.
[0045] Wherein, under the action of the vibration motor 11, the movement track of the box and the filter screen 2 is a complex three-dimensional curve in space, the projection of the curve on the horizontal plane is a circle, and the projections on the two vertical planes are two identical ellipses. In actual application, by adjusting the relative phase of the eccentric blocks at the upper and lower ends of the vibration motor 11, the movement track of the magnesium oxide coating liquid on the filter screen 2 can be changed, and by adjusting the amount of the magnesium oxide coating liquid entering and the size of the first outlet 31, the filtering and separating purposes can be achieved.
[0046] Wherein, the magnesium oxide coating liquid filtering device further comprises a base 12, which supports the box and the vibration motor 11, and ensures stable operation of the equipment.
[0047] Further, a plurality of buffer springs 13 are arranged at the bottom of the box, the buffer springs 13 are located on the base 12, the buffer springs 13 can effectively buffer and reduce the vibration impact of the box vibration, so that the base 12 can be stably placed on the ground, and the service life of the equipment is improved.
[0048] In the preferred case, in order to avoid the box from scaling in the corners during long-term use and affecting the filtering effect, the box in the utility model is a cylindrical structure, the base 12 is a barrel-shaped structure, and the vibration motor 11 is located in the interior of the base 12.
[0049] Further, the number of the buffer springs 13 is at least 4, and the number of the buffer springs 13 is even, for example, the number of the buffer springs 13 can be 4, 6, 8, 10, …, in the utility model, the number of the buffer springs 13 is 4.
[0050] In the utility model, in order to maintain balanced and uniform stress, the plurality of buffer springs 13 are uniformly and interval distributed along the top of the base 12.
[0051] In the specific case, the base 12 is further provided with a shock absorber at the bottom, which is used for reducing noise, reducing vibration, improving work efficiency, protecting structure and prolonging the service life of the equipment filter screen; further, at least three shock absorbers (the number of the shock absorbers in the utility model is three) are arranged at the bottom of the base 12, and the shock absorbers are uniformly and interval distributed along the bottom of the base 12.
[0052] Since the magnesium oxide coating liquid also contains impurities, it often needs to be filtered for several times to separate the large particle magnesium oxide 15 and the remaining impurities, so as not to affect the subsequent use, therefore, the magnesium oxide coating liquid filtering device in the utility model also includes a magnesium oxide coating liquid reflux pipeline 7, the second outlet 41 is connected with the magnesium oxide coating liquid storage tank 5 through the magnesium oxide coating liquid reflux pipeline 7, the filtered magnesium oxide coating liquid 16 flows out through the second outlet 41, passes through the magnesium oxide coating liquid reflux pipeline 7, and reflows into the magnesium oxide coating liquid storage tank 5, then continues to return to the box for filtering until the filtered magnesium oxide coating liquid 16 meets the use requirements.
[0053] In a specific embodiment of the utility model, the magnesium oxide coating liquid is stored in the magnesium oxide coating liquid storage tank 5, the conveying pump 14 is opened, the magnesium oxide coating liquid in the magnesium oxide coating liquid storage tank 5 flows through the pipeline, is conveyed to the feed pipe 6 through the conveying pump 14, flows through the feed inlet 1 through the feed pipe 6, falls into the upper box body 3, then falls on the filter screen 2 (the anti-splashing cover plate 8 at the top of the box body is used to prevent the magnesium oxide coating liquid from splashing and falling to the outside; the filter screen support frame 10 in the box body is used to support the filter screen 2), the vibration motor 11 is opened, the relative phase of the eccentric blocks at the upper and lower ends of the vibration motor 11 is adjusted (balance is maintained by adjusting the vibration rod 111 of the vibration motor 11), the vibration motor 11 is arranged into horizontal, vertical and inclined three-dimensional motion, under the driving of the vibration motor 11, the box continuously reciprocates under the action of vibration force, thereby driving the filter screen 2 to periodically vibrate, so that the magnesium oxide coating liquid on the filter screen 2 moves with the filter screen 2 in a directional jumping manner, the magnesium oxide coating liquid is vibration filtered, the separated large particle magnesium oxide 15 and the filtered magnesium oxide coating liquid 16 are obtained, the separated large particle magnesium oxide 15 moves on the filter screen 2 in an outward expanding involute motion, is discharged from the first outlet 31 after continuous jumping motion, and falls into the liquid receiving box 9 below the first outlet 31; the filtered magnesium oxide coating liquid 16 falls into the lower box body 4, flows out through the second outlet 41, reflows into the magnesium oxide coating liquid storage tank 5 through the magnesium oxide coating liquid reflux pipeline 7, then continues to return to the box for filtering until the filtered magnesium oxide coating liquid 16 meets the use requirements; wherein the base 12 is used to support the box and the vibration motor 11, the buffer spring 13 reduces the vibration impact of the box vibration, and the shock absorber is used to reduce noise, reduce vibration, improve working efficiency, protect the structure and prolong the service life of the equipment filter screen.
[0054] The magnesium oxide coating liquid filtering device has the advantages of simple design structure, convenient implementation, separation of large-particle magnesium oxide in the magnesium oxide coating liquid, separate discharge of the separated large-particle magnesium oxide, movement of the box body up and down and left and right through the vibration motor structure design, better large-particle magnesium oxide coating liquid separation effect, and effective solution to the problems of the generation of large-particle magnesium oxide in the magnesium oxide coating liquid, the influence on the surface quality of the silicon steel, and the pipeline blockage.
[0055] It should be understood that the parts not described in detail in the specification are all prior art.
[0056] The preferred embodiments of the utility model are described in detail above, but the utility model is not limited to this. Within the technical concept of the utility model, the technical scheme of the utility model can be subjected to various simple modifications, including the combination of various technical features in any other suitable manner, and these simple modifications and combinations should also be considered as the disclosed content of the utility model and belong to the protection scope of the utility model.
Claims
1. A magnesium oxide coating liquid filtering device characterized by comprising: The magnesium oxide coating liquid filtering device comprises a box, an inlet (1) is formed in the upper part of the box, a filter screen (2) is arranged in the box, and the filter screen (2) divides the box into an upper box (3) and a lower box (4); A first outlet (31) is formed in the upper box (3), and the first outlet (31) is located above the filter screen (2); a second outlet (41) is formed in the lower box (4); The magnesium oxide coating liquid filtering device further comprises a magnesium oxide coating liquid storage tank (5), a feeding pipe (6) and a magnesium oxide coating liquid return pipe (7); One end of the feeding pipe (6) is connected with the magnesium oxide coating liquid storage tank (5), and the other end of the feeding pipe (6) is arranged above the inlet (1); The second outlet (41) is connected with the magnesium oxide coating liquid storage tank (5) through the magnesium oxide coating liquid return pipe (7).
2. The magnesium oxide coating liquid filtering device according to claim 1, characterized by, The upper box (3) is a detachable structure, and the lower box (4) is a detachable structure.
3. The magnesium oxide coating liquid filtering device according to claim 1, characterized by, A splash-proof cover plate (8) is arranged on the top of the box.
4. The magnesium oxide coating liquid filtering device according to claim 1, characterized by The magnesium oxide coating liquid filtering device comprises a liquid receiving box (9), and the liquid receiving box (9) is located below the first outlet (31).
5. The magnesium oxide coating liquid filtering device according to claim 1, wherein A filter screen support frame (10) is arranged in the box, and the filter screen (2) is arranged on the filter screen support frame (10).
6. The magnesium oxide coating liquid filtering device according to claim 1, wherein A vibration motor (11) is further arranged on the box.
7. The magnesium oxide coating liquid filtering device according to claim 6, wherein The magnesium oxide coating liquid filtering device further comprises a base (12), and the vibration motor (11) is arranged in the base (12).
8. The magnesium oxide coating liquid filtering device according to claim 7, wherein A plurality of buffer springs (13) are arranged on the bottom of the box, and the buffer springs (13) are arranged on the base (12).
9. The magnesium oxide coating liquid filtering device according to claim 7, wherein A vibration damper is arranged on the bottom of the base (12).
10. The magnesium oxide coating liquid filtering device according to claim 1, wherein The magnesium oxide coating liquid filtering device further comprises a conveying pump (14), the magnesium oxide coating liquid storage tank (5) is connected with the conveying pump (14) through a pipeline, and one end of the conveying pump (14) is connected with the feeding pipe (6).