Rotary cylinder dryer for powder separation
By installing a swing hammer device inside the grid screen, the problem of screen gap blockage is solved, the separation efficiency of powder and solid materials is improved, and the smooth production process and product quality are ensured.
Patent Information
- Application Number
- CN202520160004.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-23
AI Technical Summary
The screen openings of the bar screen gradually become clogged due to continuous contact with materials, affecting the separation efficiency of powder and solid materials, and thus hindering the smoothness and efficiency of the overall production process.
A swing hammer device is installed inside the grid screen. The rotation of the grid screen cylinder drives the swing hammer to vibrate, which prevents the powder from being retained in the screen gaps and promotes the loosening and release of the powder in the mesh gaps.
It significantly improves the separation efficiency of powder and solid materials, avoids mesh clogging, and ensures smooth production process and stable product quality.
Smart Images
Figure CN223807530U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to material drying technical field, specifically, relate to a rotary cylinder dryer for powder separation. BACKGROUND
[0002] The production of yellow phosphorus usually adopts the electric furnace method process, which requires that the pretreated phosphate rock, silica and coke are mixed according to the established proportion and then put into the electric furnace. If the moisture and powder content in the raw materials are not effectively controlled, the arching and caving phenomenon is easy to form in the production process, which further has an adverse effect on the operation stability of the electric furnace, and seriously interferes with the continuity and stability of yellow phosphorus production. In view of this, the conventional rotary cylinder dryer is used for pretreatment of the ore, and the moisture on the surface of the ore is effectively removed through drying and screening process. During the material drying process, a certain amount of dust will be generated with the removal of moisture. In order to ensure the drying of the charging material, we use the grating screen to finely filter the dried powder, and then realize orderly discharge through the gate valve system of the back kiln bin. However, in the actual operation process, we found that the screen gap of the grating screen will gradually be blocked due to continuous contact with the material, which seriously hinders its function of effectively separating the powder and solid materials, and further affects the smoothness and efficiency of the overall production process.
[0003] Therefore, the present application is proposed. CONTENT OF THE UTILITY MODEL
[0004] The technical problem to be solved by the utility model is that the screen gap of the grating screen will gradually be blocked due to continuous contact with the material, which seriously hinders its function of effectively separating the powder and solid materials, and further affects the smoothness and efficiency of the overall production process, and the purpose is to provide a rotary cylinder dryer for powder separation, which can reduce the residence of powder in the screen gap without human operation, avoid the screen mesh being blocked by powder, and significantly improve the screening efficiency of the grating screen.
[0005] The utility model realizes the following technical scheme:
[0006] A rotary cylinder dryer for powder separation, comprising a cylinder body arranged in a horizontal direction, a grating screen cylinder coaxially arranged in the cylinder body, the grating screen cylinder being capable of rotating around its own axis, and the grating screen cylinder being used for screening the powder from the inside of the grating screen cylinder to the outside.
[0007] A plurality of swinging hammers are arranged on the inner wall of the grating screen cylinder along the circumferential direction, the upper end of the swinging hammer is rotatably connected with the grating screen cylinder, and the swinging hammer can swing back and forth by 180° along the direction in which the grating screen cylinder rotates.
[0008] The utility model discloses a swing hammer device is arranged in the grating screen, can reduce the retention phenomenon of powder in the screen gap without human operation, avoid the mesh hole of screen to be blocked by powder, and the screening efficiency of grating screen is improved obviously.
[0009] The utility model discloses a dryer, when running, grating screen cylinder rotates, and wet material is added from the upper feed port of kiln head, and the material is contacted with high temperature furnace gas in the cylinder when passing through the inside of grating screen cylinder, and the drying effect is realized.
[0010] In a specific embodiment, the swing hammer comprises a fixed baffle, a swing hammer handle and a swing hammer head;
[0011] The fixed baffle is fixedly installed on the inner wall of the grating screen cylinder;
[0012] The upper end of the swing hammer handle is rotatably installed on the fixed baffle through a screw;
[0013] The swing hammer head is installed at the bottom end of the swing hammer handle.
[0014] The swing hammer of the utility model is moved and rotated by the rotation of the grating screen cylinder, and the swing hammer remains vertical under the action of gravity when being located at the top of the grating screen cylinder, and the swing hammer is attached to the grating screen cylinder when moving to the bottom.
[0015] In a specific embodiment, the grating screen cylinder is composed of a plurality of screen cylinders, and a swing hammer is arranged in each screen cylinder.
[0016] The utility model sets the whole grating screen cylinder as a plurality of screen cylinders, and the swing hammer of the screen cylinder is arranged staggeredly, so that the frequency of vibration of the grating screen cylinder is increased.
[0017] In a specific embodiment, the edges of adjacent screen cylinders are overlapped and spliced.
[0018] In an embodiment, the swing hammer head is made of rubber material, which can avoid damaging the grid sieve cylinder, and a metal block is coated inside the swing hammer head to increase the weight of the swing hammer head, so that the force of the swing hammer head on the grid sieve cylinder is enough to make the grid sieve cylinder vibrate.
[0019] In an embodiment, the swing hammer head has a cylindrical structure, and the axis of the swing hammer head is perpendicular to the swing hammer handle.
[0020] In an embodiment, a high-pressure air jet pipe is coaxially arranged in the grid sieve cylinder, a plurality of high-pressure air jet openings are sequentially arranged on the high-pressure air jet pipe, and the end of the high-pressure air jet pipe extends out of the cylinder body and is connected to a high-pressure air source.
[0021] The high-pressure air source is arranged, high-pressure air can be sprayed to the grid sieve cylinder through the high-pressure air jet pipe, so that a certain impact force is provided to the grid sieve cylinder, the powder material is relatively dispersed to avoid agglomeration, and the screening of the powder is more favorable.
[0022] In an embodiment, the cylinder body and the grid sieve cylinder are in an inclined state, and the inclination angle is 5-10°.
[0023] The cylinder body is slightly inclined, so that the powder material moves from the higher end to the lower end under the action of gravity.
[0024] In an embodiment, the length of the swing hammer head is 15-20 cm, and the diameter is 11-13 cm.
[0025] In an embodiment, the swing hammer is provided with 8-10 swing hammers along the circumferential direction.
[0026] Compared with the prior art, the utility model has the following advantages and beneficial effects:
[0027] 1. The rotary cylinder dryer for powder separation provided by the embodiment of the utility model can reduce the retention of the powder in the screen gap without manual operation, avoid the blockage of the screen mesh by the powder, and significantly improve the screening efficiency of the grid sieve.
[0028] 2. The rotary cylinder dryer for powder separation provided by the embodiment of the present application, when the grid sieve cylinder is in a running state, the swinging hammer moves accordingly, thus generating a swinging effect under the natural action of gravity, which can directly strike the grid sieve structure, causing slight and continuous vibration thereof, and through the vibration, the loosening and release of the powder remaining in the mesh gap of the grid sieve can be effectively promoted, the mesh is prevented from being blocked, and the separation of the powder in the gap of the grid sieve is efficiently realized, so that the separation efficiency and effect between the powder and the solid material are significantly improved.
[0029] 3. The rotary cylinder dryer for powder separation provided by the embodiment of the present application can more effectively screen out the powder, greatly reduces the mixing proportion of the ore powder in the ore, and thus effectively alleviates the negative effect of the ore powder on the overall production process, and ensures smooth production process and stable improvement of product quality. BRIEF DESCRIPTION OF DRAWINGS
[0030] In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of the drawings.
[0031] Fig. 1 The dryer structure schematic view provided by the embodiment of the present application;
[0032] Fig. 2 The grid sieve structure schematic view provided by the embodiment of the present application;
[0033] Fig. 3 The swinging hammer structure schematic view provided by the embodiment of the present application.
[0034] Markings in the drawings and corresponding component names:
[0035] 1-cylinder body, 2-grid sieve cylinder, 3-fixed baffle, 4-swinging hammer handle, 5-swinging hammer head, 6-screw, 7-high pressure air pipe, 8-swinging hammer. DETAILED DESCRIPTION
[0036] In order to make the purpose, technical solutions and advantages of the present application more clear, the present application will be further described in detail below in combination with the embodiments and drawings, and the exemplary embodiments of the present application and the description thereof are only used to explain the present application, and not as a limitation on the present application.
[0037] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to those skilled in the art that these specific details are not necessary to implement the present invention. In other embodiments, well-known structures are not specifically described in order to avoid obscuring the present invention.
[0038] Throughout this specification, references to "an embodiment," "an example," or "an example" mean that a particular feature, structure, or characteristic described in connection with that embodiment or example is included in at least one embodiment of the present invention. Therefore, the phrases "an embodiment," "an example," "an example," or "an example" appearing in various places throughout the specification do not necessarily refer to the same embodiment or example. Furthermore, specific features, structures, or characteristics can be combined in one or more embodiments or examples in any suitable combination and / or sub-combination. Moreover, those skilled in the art will understand that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0039] In the description of this utility model, the terms "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model.
[0040] Example
[0041] like Figs. 1-3 As shown in the figure, the present invention provides a rotary drum dryer for powder separation, including a cylindrical body 1 arranged in a horizontal direction, and a grid screen cylinder 2 coaxially arranged inside the cylindrical body 1. The grid screen cylinder 2 can rotate around its own axis and is used to screen the powder from the inside of the grid screen cylinder 2 to the outside.
[0042] Multiple swing hammers 8 are arranged along the circumferential direction on the inner wall of the grid screen cylinder 2. The upper end of the swing hammer 8 is rotatably connected to the grid screen cylinder 2, and the swing hammer 8 can swing back and forth 180° along the rotation direction of the grid screen cylinder 2.
[0043] This invention reduces the retention of powder in the screen gaps without the need for manual operation by installing a swing hammer device inside the grid screen, thus preventing the screen mesh from clogging the powder and significantly improving the screening efficiency of the grid screen.
[0044] The utility model discloses a drying machine, when running, grating sieve cylinder rotates, and wet material is added from the upper feeding port of kiln head, and when the material passes through the inside of grating sieve cylinder, the material contacts with the high temperature furnace gas in the cylinder and is dried effectively.
[0045] In a specific embodiment, the swinging hammer 8 comprises a fixed baffle 3, a swinging hammer handle 4 and a swinging hammer head 5.
[0046] The fixed baffle 3 is fixedly installed on the inner wall of the grating sieve cylinder 2.
[0047] The upper end of the swinging hammer handle 4 is rotatably installed on the fixed baffle 3 through a screw 6.
[0048] The swinging hammer head 5 is installed at the bottom end of the swinging hammer handle 4.
[0049] The swinging hammer of the utility model is moved and rotated by the rotation of the grating sieve cylinder, and the swinging hammer keeps a vertical state under the action of gravity when it is located at the top of the grating sieve cylinder, and the swinging hammer is attached to the grating sieve cylinder when it moves to the bottom, and the swinging hammer handle is turned over 180° under the driving of the swinging hammer head when the swinging hammer moves upward again, so that the swinging hammer head moves downward again, and the swinging hammer head strikes the grating sieve cylinder to vibrate, thereby scattering dust from the mesh gap.
[0050] In a specific embodiment, the grating sieve cylinder 2 is spliced by a plurality of sieve cylinders, and a swinging hammer is arranged in each sieve cylinder, and the installation positions of the swinging hammers in different sieve cylinders are staggered.
[0051] The utility model discloses that the whole grating sieve cylinder is arranged in a plurality of mesh cylinders spliced, and the swinging hammers of the sieve cylinders are staggered, so that the frequency of vibration of the grating sieve cylinder can be increased.
[0052] In a specific embodiment, the edges of adjacent sieve cylinders are overlapped and spliced.
[0053] In a specific embodiment, the swing hammer head 5 is made of rubber material, which can avoid damaging the grid sieve cylinder, and the swing hammer head 5 is coated with a metal block inside, which increases the weight of the swing hammer head and makes the force of the swing hammer head on the grid sieve cylinder enough to vibrate the grid sieve cylinder.
[0054] In a specific embodiment, the swing hammer head 5 is in a cylindrical structure, and the axis of the swing hammer head 5 is perpendicular to the swing hammer handle 4.
[0055] In a specific embodiment, the grid sieve cylinder 2 is also coaxially provided with a high-pressure air jet pipe 7, a plurality of high-pressure air jet openings are sequentially arranged on the high-pressure air jet pipe 7, and the end of the high-pressure air jet pipe 7 extends out of the cylinder body 1 and is connected to a high-pressure air source.
[0056] The utility model sets up a high-pressure air source, which can spray high-pressure gas to the grid sieve cylinder through the high-pressure air jet pipe, so as to provide a certain impact force to the grid sieve cylinder, make the powder material relatively dispersed to avoid agglomeration, and thus be more beneficial to the screening of the powder.
[0057] In a specific embodiment, the cylinder body 1 and the grid sieve cylinder 2 are in an inclined state as a whole, and the inclination angle is 5-10°.
[0058] The cylinder body of the utility model is designed to be slightly inclined, so that the powder material moves from the higher end to the lower end under the action of gravity.
[0059] In a specific embodiment, the length of the swing hammer head is 15-20 cm, and the diameter is 11-13 cm.
[0060] In a specific embodiment, the swing hammer 8 is provided with 8-10 along the circumferential direction.
[0061] The above specific embodiments further illustrate the purpose, technical scheme and beneficial effects of the utility model, and it should be understood that the above description is only for the specific embodiments of the utility model and is not used to limit the protection scope of the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A rotary drum dryer for separating a powder material, characterized by The application relates to a cylinder machine body (1) arranged in a horizontal direction, a grid sieve cylinder (2) coaxially arranged in the cylinder machine body (1), the grid sieve cylinder (2) being capable of rotating around its own axis, and the grid sieve cylinder (2) being used for sieving powder from the inside of the grid sieve cylinder (2) to the outside. A plurality of swinging hammers (8) are arranged on the inner wall of the grid sieve cylinder (2) along the circumferential direction, the upper end of the swinging hammer (8) is rotatably connected with the grid sieve cylinder (2), and the swinging hammer (8) can swing back and forth by 180 degrees along the rotating direction of the grid sieve cylinder (2).
2. A rotary drum drier for separating powder material according to claim 1, characterized in that The swinging hammer (8) comprises a fixed baffle (3), a swinging hammer handle (4) and a swinging hammer head (5). The fixed baffle (3) is fixedly installed on the inner wall of the grid sieve cylinder (2). The upper end of the swinging hammer handle (4) is rotatably installed on the fixed baffle (3) through a screw (6). The swinging hammer head (5) is installed at the bottom end of the swinging hammer handle (4).
3. A rotary drum drier for separating powder material according to claim 1, characterized in that The grid sieve cylinder (2) is composed of a plurality of sieve cylinders, each of which is provided with a swinging hammer, and the swinging hammer installation positions of different sieve cylinders are staggered.
4. A rotary drum drier for separating powder material according to claim 3, characterized in that The edges of adjacent sieve cylinders are overlapped and spliced.
5. A rotary drum drier for separating powder material according to claim 2, wherein The swinging hammer head (5) is made of rubber material, and a metal block is covered in the swinging hammer head (5).
6. A rotary drum drier for separating powder material according to claim 2, wherein The swinging hammer head (5) is in a cylindrical structure, and the axis of the swinging hammer head (5) is perpendicular to the swinging hammer handle (4).
7. A rotary drum drier for separating powder material according to claim 3, wherein A high-pressure air jet pipe (7) is coaxially arranged in the grid sieve cylinder (2), a plurality of high-pressure air jet openings are sequentially arranged on the high-pressure air jet pipe (7), and the end of the high-pressure air jet pipe (7) extends out of the cylinder machine body (1) and is connected with a high-pressure air source.
8. A rotary drum drier for separating powder material according to claim 7, characterized in that The cylinder machine body (1) and the grid sieve cylinder (2) are in an inclined state as a whole, and the inclination angle is 5-10 degrees.
9. A rotary drum drier for separating powder material according to claim 6, characterized in that The length of the swinging hammer head is 15-20 cm, and the diameter is 11-13 cm.
10. A rotary drum drier for separating powder material according to claim 8, characterized in that Along the circumferential direction, the swinging hammer (8) is provided with 8-10 swinging hammers.