Powder selecting equipment for producing calcium hydroxide

By introducing the design of a rotating barrel and solenoid valve in the powder selection equipment, and filtration of calcium hydroxide using centrifugal force, the problem of multiple screening in existing equipment is solved, and the filtration efficiency and the working efficiency of the equipment are improved.

CN223209887UActive Publication Date: 2025-08-12ANHUI FENGYANG MINGDI CALCIUM IND CO LTD
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Patent Information

Application Number
CN202422845848.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-08-12
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

In existing calcium hydroxide powder selection equipment, calcium hydroxide is prone to not completely screened during the screening process of the filter plate surface, resulting in multiple screenings, affecting the efficiency of screening and powder selection.

Method used

The rotating barrel design is adopted, and the centrifugal force of the rotating barrel is used for filtering, and the powder discharge is controlled through a solenoid valve to avoid multiple filtration and improve filtration efficiency.

Benefits of technology

The centrifugal force of the rotating cylinder improves the filtration efficiency of the powder, ensures that the powder is fully filtered and then discharged, avoids multiple filtrations, and improves the working efficiency of the powder selection equipment.

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Abstract

The utility model provides powder selecting equipment for producing calcium hydroxide, and belongs to the technical field of powder selecting equipment. Comprising a powder selecting tank and a rotating cylinder rotationally arranged in the powder selecting tank, a supporting rotating disc connected with the rotating cylinder is fixed to the bottom wall of the powder selecting tank, a driving mechanism used for driving the rotating cylinder to rotate is installed at the bottom end of the powder selecting tank, and filter plates are detachably installed at the top end of the rotating cylinder in an annular array mode; a discharging pipe is fixed to the bottom end of the rotating cylinder, a material guiding plate of an annular structure is obliquely installed on the outer wall of the rotating cylinder, and a top cover is installed at the top end of the powder selecting tank in an embedded mode. The centrifugal force of rotation of the rotating cylinder improves the filtering efficiency of powder, and the powder is blocked through the electromagnetic valve, so that the powder can be discharged after being fully filtered, the situation that the powder needs to be filtered for multiple times is avoided, and the filtering efficiency of the powder is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of powder selection equipment, in particular to a powder selection equipment for producing calcium hydroxide. Background Art

[0002] Calcium hydroxide, an inorganic compound, is commonly known as slaked lime or slaked lime. Lime is the trade name of limestone as a mineral raw material. It is widely used in the manufacture of paper, rubber, paint, coatings, medicine, cosmetics, feed, sealing, bonding, polishing and other products. In the preparation of limestone, after grinding, coarse powder and fine powder need to be separated by a powder selection device for subsequent processing and utilization. In the existing technology, there are problems such as poor use effect of powder selection equipment and low working efficiency of powder selection equipment.

[0003] The patent with application number 202322074140.0 discloses a powder selection equipment for producing calcium hydroxide, which belongs to the field of calcium hydroxide production technology. It addresses the problems of poor performance of powder selection equipment and low working efficiency of powder selection equipment. It includes a processing frame, a processing trough is provided inside the processing frame, a vibration motor is fixed in the middle of the lower end of the processing frame, connecting rods are fixed at the four corners of the lower end of the processing frame, and stabilizing plates are fixed at the lower ends of the four connecting rods. The outer surfaces of the four stabilizing plates are slidably connected with legs, a circular groove is provided in the middle of the four legs, and springs are fixed at the upper ends of the four legs. A screening frame is fixed in the middle of the processing trough, and a number of screening holes are provided in the middle of the screening frame.

[0004] The above technical solution uses an inclined filter screen and a vibration motor to select and screen calcium hydroxide. However, since calcium hydroxide is screened on the filter plate surface, it is easy for incompletely screened calcium hydroxide to fall from the top of the screening frame into the collection box. Therefore, the above powder selection equipment often needs to screen the calcium hydroxide multiple times during the processing process, which seriously affects the screening and powder selection efficiency of calcium hydroxide. Therefore, the present application provides a powder selection equipment for producing calcium hydroxide to meet the needs. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a powder selection device for producing calcium hydroxide to solve the problem that in the process of screening calcium hydroxide on the surface of the filter plate, incompletely screened calcium hydroxide is likely to fall from the top of the screening frame into the collection box. Therefore, the above-mentioned powder selection device often needs to screen the calcium hydroxide multiple times during the processing process, which seriously affects the screening and powder selection efficiency of calcium hydroxide.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] A powder selection device for producing calcium hydroxide includes a powder selection tank and a rotating drum rotatably arranged in the powder selection tank, characterized in that a supporting turntable connected to the rotating drum is fixed to the bottom wall of the powder selection tank, and a driving mechanism for driving the rotating drum to rotate is installed at the bottom end of the powder selection tank, the top end of the rotating drum is detachably installed with a filter plate in an annular array, and a discharge pipe is fixed to the bottom end of the rotating drum, wherein a guide plate with an annular structure is obliquely installed on the outer wall of the rotating drum.

[0008] Optionally, a top cover is embedded in the top of the powder selection tank, and a feed pipe is fixed to the top of the top cover.

[0009] Optionally, a feed port corresponding to the feed pipe is provided at the top of the rotating cylinder, and a plurality of mounting grooves are provided on the outer wall of the rotating cylinder in a circular array.

[0010] Optionally, connecting grooves are provided on both sides of the inner wall of the installation groove, and the filter plate is inserted into the installation groove.

[0011] Optionally, both ends of the filter plate are fixed with connecting parts, and the connecting parts are fitted and inserted into the connecting grooves.

[0012] Optionally, the bottom end of the discharge pipe is protruding from the lower end of the powder selection tank, and a solenoid valve is installed at the top end of the discharge pipe.

[0013] Optionally, a positioning portion is fixedly sleeved on the top end of the rotating cylinder, and the positioning portion is in contact with the inner wall of the powder selection tank.

[0014] Optionally, a discharge trough is provided at the bottom end of the powder selection tank, and the bottom wall of the discharge trough corresponds to the guide plate.

[0015] Optionally, the driving mechanism includes a motor installed on the bottom wall of the powder selection tank and a gear ring, and the gear ring is fixedly installed on the bottom end of the rotating cylinder.

[0016] Optionally, the shaft of the motor extends into the powder selection tank and is equipped with a gear, which is meshed with the gear ring.

[0017] Compared with the prior art, the present invention has at least the following beneficial effects:

[0018] In the above scheme, a rotating drum is embedded in the powder selection tank, and the supporting turntable on the bottom wall of the powder selection tank supports the rotating drum. After the motor is started, the rotating drum is driven to rotate through the gears and gear rings, and centrifugal force is generated during the rotation to make the filter plate filter the powder in the rotating drum. The filtered powder is discharged from the discharge trough along the guide plate. When the powder is fully filtered, the solenoid valve is opened to discharge it. The centrifugal force of the rotation of the rotating drum improves the filtration efficiency of the powder, and the solenoid valve blocks the powder so that the powder can be discharged only after it is fully filtered, avoiding the need for multiple filtration of the powder and improving the filtration efficiency of the powder.

[0019] By opening a plurality of mounting grooves on the top of the rotating cylinder, the filter plates are fitted and inserted into the mounting grooves, and the connecting parts at both ends of the filter plates are damping-connected to the inner walls of the connecting grooves, so that the filter plates remain fixed in the mounting grooves. After opening the top cover, the connecting parts are slid out of the connecting grooves, and filter plates with different pore sizes can be replaced. This is suitable for the selection and processing of calcium hydroxide powder with different particles. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the invention and, together with the description, further serve to explain the principles of the invention and enable those skilled in the relevant art to make and use the invention.

[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of powder selection equipment for producing calcium hydroxide;

[0022] Figure 2 It is a schematic diagram of the cross-sectional structure of the powder selection tank;

[0023] Figure 3 for Figure 2 A magnified schematic diagram of the structure at center A;

[0024] Figure 4 for Figure 2 A magnified schematic diagram of the structure at B in the middle.

[0025] [Reference Signs]

[0026] 1. Powder selection tank; 2. Feed pipe; 3. Top cover; 4. Discharge pipe; 5. Mounting slot; 6. Feed port; 7. Solenoid valve; 8. Rotating cylinder; 9. Positioning part; 10. Filter plate; 11. Discharge chute; 12. Guide plate; 13. Gear ring; 14. Support turntable; 15. Motor; 16. Gear; 17. Connecting slot; 18. Connecting part.

[0027] As shown in the figure, in order to clearly implement the structure of the embodiment of the present invention, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the present invention to the specific structure, devices and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments. DETAILED DESCRIPTION

[0028] The following is a detailed description of a powder selection device for producing calcium hydroxide provided by the utility model in conjunction with the accompanying drawings and specific embodiments. At the same time, it is explained here that, in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternatives to implement some known technologies; and the accompanying drawings are only for more specific description of the embodiments, and are not intended to specifically limit the utility model.

[0029] It should be noted that references in the specification to "one embodiment," "an embodiment," "exemplary embodiments," "some embodiments," etc. indicate that the described embodiments may include specific features, structures, or characteristics, but not necessarily every embodiment will include such specific features, structures, or characteristics. Furthermore, when specific features, structures, or characteristics are described in conjunction with an embodiment, it is within the knowledge of persons skilled in the relevant art to implement such features, structures, or characteristics in conjunction with other embodiments (whether or not explicitly described).

[0030] In general, terms can be understood, at least in part, from their use in context. For example, depending at least in part on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending at least in part on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0031] It will be understood that the meanings of “on,” “over,” and “above” in the present invention should be interpreted in the broadest manner, so that “on” means not only “directly on” something but also includes the meaning of being “on” something with intervening features or layers, and “on” or “above” means not only “on” or “above” something but also includes the meaning of being “on” or “above” something with no intervening features or layers.

[0032] Additionally, spatially relative terms such as "below," "beneath," "lower," "above," and "upper" may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as illustrated in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein should be similarly interpreted accordingly.

[0033] like Figure 1 and Figure 2 As shown, the embodiment of the present invention provides a powder selection device for producing calcium hydroxide, including a powder selection tank 1 and a rotating drum 8 rotatably arranged in the powder selection tank 1, the bottom wall of the powder selection tank 1 is fixed with a supporting turntable 14 connected to the rotating drum 8, and the bottom end of the powder selection tank 1 is installed with a driving mechanism for driving the rotating drum 8 to rotate, the top of the rotating drum 8 is detachably installed with a filter plate 10 in an annular array, and the bottom end of the rotating drum 8 is fixed with a discharge pipe 4, wherein the outer wall of the rotating drum 8 is obliquely installed with a guide plate 12 in an annular structure, the rotating drum 8 generates centrifugal force during rotation so that the filter plate 10 filters the powder in the rotating drum 8, and the filtered powder is discharged from the discharge trough 11 along the guide plate 12, and when the powder is fully filtered, the solenoid valve 7 is opened to discharge it, the centrifugal force of the rotation of the rotating drum 8 improves the filtration efficiency of the powder, and the solenoid valve 7 blocks the powder so that the powder can be discharged only after it is fully filtered, avoiding the need for multiple filtration of the powder and improving the filtration efficiency of the powder.

[0034] A top cover 3 is embedded in the top of the powder selection tank 1, and a feed pipe 2 is fixed to the top of the top cover 3. A feed port 6 corresponding to the feed pipe 2 is provided at the top of the rotating cylinder 8, and a plurality of mounting grooves 5 are provided on the outer wall of the rotating cylinder 8 in a circular array. The feed pipe 2 puts the raw material into the rotating cylinder 8 from the feed port 6. The connecting parts 18 at both ends of the filter plate 10 are dampedly connected to the inner wall of the connecting groove 17, so that the filter plate 10 remains fixed in the mounting groove 5. After opening the top cover 3, the connecting part 18 slides out of the connecting groove 17, and the filter plates 10 with different pore sizes are replaced, which is suitable for the powder selection processing of calcium hydroxide with different particles.

[0035] like Figure 3 and Figure 4As shown, connecting grooves 17 are provided on both sides of the inner wall of the mounting groove 5, the filter plate 10 is inserted into the mounting groove 5, and both ends of the filter plate 10 are fixed with connecting parts 18 that are inserted into the connecting grooves 17. The bottom end of the discharge pipe 4 is protruded at the lower end of the powder selection tank 1, and the top of the discharge pipe 4 is installed with an electromagnetic valve 7. The top of the rotating cylinder 8 is fixedly sleeved with a positioning part 9 corresponding to the inner wall of the powder selection tank 1. The bottom end of the powder selection tank 1 is provided with a discharge groove 11, and the bottom wall of the discharge groove 11 corresponds to the guide plate 12. The driving mechanism includes a motor 15 installed on the bottom wall of the powder selection tank 1 and a motor fixed on the rotating cylinder. 8, the gear ring 13 at the bottom end, the shaft of the motor 15 extends into the powder selection tank 1 and is equipped with a gear 16 meshing with the gear ring 13. After starting, the motor 15 drives the rotating drum 8 to rotate through the gear 16 and the gear ring 13, and generates centrifugal force during the rotation to make the filter plate 10 filter the powder in the rotating drum 8. The filtered powder is discharged from the discharge trough 11 along the guide plate 12. When the powder is fully filtered, the solenoid valve 7 is opened to discharge it. The centrifugal force generated by the rotation of the rotating drum 8 improves the filtration efficiency of the powder, and the solenoid valve 7 blocks the powder so that the powder can be discharged only after it is fully filtered.

[0036] The working principle provided by the present invention is that when the powder selection equipment for producing calcium hydroxide of the present technical solution is used, the motor 15 is turned on, and after the motor 15 is started, the gear 16 and the gear ring 13 are used to drive the rotating drum 8 to rotate, and centrifugal force is generated during the rotation to make the filter plate 10 filter the powder in the rotating drum 8, and the filtered powder is discharged from the discharge trough 11 along the guide plate 12. When the powder is fully filtered, the solenoid valve 7 is opened to discharge it. The centrifugal force generated by the rotation of the rotating drum 8 improves the filtration efficiency of the powder, and the solenoid valve 7 blocks the powder so that the powder can be discharged only after it is fully filtered, thereby avoiding the need for multiple filtration of the powder and improving the filtration efficiency of the powder.

[0037] This invention encompasses any alternatives, modifications, equivalents, and solutions that do not depart from the spirit and scope of this invention. To provide a thorough understanding of this invention, specific details are described in detail in the following preferred embodiments of this invention, but those skilled in the art will be able to fully understand this invention without these detailed descriptions. Furthermore, to avoid unnecessary confusion regarding the essence of this invention, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0038] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A powder selection device for producing calcium hydroxide, characterized in that: It includes a powder selection tank and a rotating drum rotatably arranged in the powder selection tank, the bottom wall of the powder selection tank is fixed with a supporting turntable connected to the rotating drum, and the bottom end of the powder selection tank is installed with a driving mechanism for driving the rotating drum to rotate, the top of the rotating drum is detachably installed with a filter plate in an annular array, and the bottom end of the rotating drum is fixed with a discharge pipe, wherein the outer wall of the rotating drum is obliquely installed with a guide plate in an annular structure.

2. The powder selection equipment for producing calcium hydroxide according to claim 1, wherein A top cover is embedded in the top of the powder selection tank, and a feed pipe is fixed on the top of the top cover.

3. The powder selection equipment for producing calcium hydroxide according to claim 2, wherein The top of the rotating cylinder is provided with a feeding port corresponding to the feeding pipe, and the outer wall of the rotating cylinder is provided with a plurality of mounting grooves in a circular array.

4. The powder selection equipment for producing calcium hydroxide according to claim 3, wherein Both sides of the inner wall of the installation groove are provided with connection grooves, and the filter plate is inserted into the installation groove.

5. The powder selection equipment for producing calcium hydroxide according to claim 4, wherein Both ends of the filter plate are fixed with connecting parts, and the connecting parts are inserted into the connecting grooves.

6. The powder selection equipment for producing calcium hydroxide according to claim 1, wherein The bottom end of the discharge pipe is protruding from the lower end of the powder selection tank, and a solenoid valve is installed on the top end of the discharge pipe.

7. The powder selection equipment for producing calcium hydroxide according to claim 1, wherein A positioning portion is fixedly sleeved on the top end of the rotating cylinder, and the positioning portion contacts the inner wall of the powder selection tank.

8. The powder selection equipment for producing calcium hydroxide according to claim 7, wherein A discharge trough is provided at the bottom end of the powder selection tank, and the bottom wall of the discharge trough corresponds to the material guide plate.

9. The powder selection equipment for producing calcium hydroxide according to claim 1, wherein The driving mechanism includes a motor installed on the bottom wall of the powder selection tank and a gear ring, and the gear ring is fixedly installed on the bottom end of the rotating cylinder.

10. The powder selection equipment for producing calcium hydroxide according to claim 9, characterized in that The shaft of the motor extends into the powder selection tank and is equipped with a gear, which is meshed and connected with the gear ring.

Citation Information

Patent Citations

  • Powder selecting equipment for producing calcium hydroxide

    CN220697456U