Equipment for obtaining fine particles from slack coal
By combining gravity and vibration through a two-stage vertical screen, the problem of low separation efficiency of fine coal particles under wet conditions was solved, achieving high-efficiency screening and reducing costs.
Patent Information
- Application Number
- CN202423046581.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Existing screening equipment cannot effectively screen fine particles in wet coal, and methods such as drying will significantly increase costs.
It adopts a two-stage vertical sieve structure, combining gravity and vibration. By using the first and second vertical sieves together, fine particle separation is achieved with an efficiency of over 95%, and vibration is used to prevent the sieve holes from being blocked.
It improves screening efficiency, reduces production costs, avoids screen clogging, is easy to operate, and has an efficiency of over 95%.
Smart Images
Figure CN223571280U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a coal screening equipment technical field, especially to a device that obtains fine particles from the coal. BACKGROUND
[0002] The existing screening equipment cannot effectively screen out fine particles in the coal in the wet base state. If the fine particles in the coal are screened out by methods such as drying, the production cost will be significantly increased. SUMMARY
[0003] In view of the above problems, the utility model provides a device that obtains fine particles from the coal, which is simple in structure, easy to operate, and can separate fine particles by gravity and vibration after the coal passes through the second vertical screen, the efficiency can reach more than 95%, and the vibration can prevent the screen holes from being blocked, which helps to improve the production efficiency and reduce the production cost.
[0004] In order to solve the above problems, the utility model provides a device that obtains fine particles from the coal, wherein, including vertical screen, sealing plate, supporting spring and stand, the vertical screen includes first vertical screen and second vertical screen, the sealing plate includes first sealing plate and second sealing plate, the supporting spring includes first supporting spring and second supporting spring, the stand includes first stand, second stand and third stand, the first vertical screen is connected with the top of the first stand and the second stand through the first supporting spring respectively, the second vertical screen is connected with the top of the second stand and the third stand through the second supporting spring respectively, and the left end of the first vertical screen is connected with the second stand through the first sealing plate penetrating the first stand, the right end of the second vertical screen is connected with the second stand through the second sealing plate penetrating the third stand.
[0005] Preferably, the first vertical screen includes a first cross beam, a first screen mesh, a first support and a first vibration motor, the first screen mesh is arranged on the first cross beam, the first support is arranged on the first screen mesh, and the first vibration motor is arranged on the first support.
[0006] Preferably, the first cross beam includes a first upper cross beam, a first middle cross beam and a first lower cross beam arranged from top to bottom in sequence, and the first screen mesh is arranged at the upper end of the first upper cross beam, the first middle cross beam and the first lower cross beam.
[0007] Preferably, the second vertical screen includes a second cross beam, a second screen mesh, a second support and a second vibration motor, the second screen mesh is arranged on the second cross beam, the second support is arranged on the second screen mesh, and the second vibration motor is arranged on the second support.
[0008] Preferably, the second cross beam comprises a second upper cross beam, a second middle cross beam and a second lower cross beam arranged in sequence from top to bottom, and the second screen cloth is arranged at the upper end of the second upper cross beam, the second middle cross beam and the second lower cross beam.
[0009] Compared with the prior art, the utility model has the following advantages:
[0010] The utility model discloses simple structure, convenient operation, fine granularity can be separated out through the gravity effect and the vibration effect to the slack coal through two -stage vertical screen, and efficiency can reach above 95%, simultaneously, can avoid the screen hole to be dense through the vibration effect, help to improve production efficiency, and production cost is reduced a lot than other methods. BRIEF DESCRIPTION OF DRAWINGS
[0011] Fig. 1 It is the embodiment whole structure schematic diagram of the utility model;
[0012] Fig. 2 It is the embodiment first vertical screen structure schematic diagram of the utility model;
[0013] Fig. 3 It is the embodiment first vertical screen local structure schematic diagram of the utility model. DETAILED DESCRIPTION
[0014] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following with the example of the utility model is further detailedly explained, but the example is not as the limitation of the utility model.
[0015] As Figs. 1 to 3 The embodiment of the utility model includes vertical screen, sealing plate, support spring and stand, the vertical screen includes the first vertical screen 8 and the second vertical screen 9 of same structure, the support spring includes the first support spring 7 and the second support spring 11, and the stand includes the first stand 5, the second stand 12 and the third stand 13, the left side of the first vertical screen 8 is connected with the top end of the first stand 5 and the second stand 12 through the first support spring 7, and the second vertical screen 9 is connected with the top end of the second stand 12 and the third stand 13 through the second support spring 11 respectively.
[0016] In the embodiment, the first support spring 7 includes the first left support spring and the first right support spring, the left side of the first vertical screen 8 is connected with the top end of the first stand 5 through the first left support spring, and the right side of the first vertical screen 8 is connected with the top end of the second stand 12 through the first right support spring.
[0017] In the embodiment, the second support spring 11 includes the second left support spring and the second right support spring, the left side of the second vertical screen 9 is connected with the top end of the second stand 12 through the second left support spring, and the right side of the second vertical screen 9 is connected with the top end of the third stand 13 through the second right support spring.
[0018] In the embodiment, the sealing plates include a first sealing plate 6 and a second sealing plate 14, and the left end of the first vertical screen 8 is connected to the lower side of the first vertical column 5 and the second vertical column 12 through the first sealing plate 6, and the right end of the second vertical screen 9 is connected to the lower side of the third vertical column 13 and the second vertical column 12 through the second sealing plate 14.
[0019] In the embodiment, the first vertical screen 8 includes a first cross beam 1, a first screen mesh 10, a first support 4, and a first vibration motor 2. The first cross beam 1 includes a first upper cross beam, a first middle cross beam, and a first lower cross beam arranged in sequence from top to bottom. The first screen mesh 10 is arranged at the upper end of the first upper cross beam, the first middle cross beam, and the first lower cross beam. The first support 4 is arranged at the center of the first screen mesh 10. The first vibration motor 2 includes a first left vibration motor and a first right vibration motor. The first left vibration motor is arranged at the left end of the first support 4, and the first right vibration motor is arranged at the right end of the first support 4.
[0020] In the embodiment, the first support 4 is provided with a first rivet 3. The first rivet 3 includes a first left rivet and a first right rivet. The left end of the first support 4 is connected to the left end of the first vertical screen 8 through the first left rivet, and the right end of the first support 4 is connected to the right end of the first vertical screen 8 through the first right rivet.
[0021] In the embodiment, the second vertical screen 9 includes a second cross beam, a second screen mesh, a second support, and a second vibration motor. The second cross beam includes a second upper cross beam, a second middle cross beam, and a second lower cross beam arranged in sequence from top to bottom. The second screen mesh is arranged at the upper end of the second upper cross beam, the second middle cross beam, and the second lower cross beam. The second support is arranged at the center of the second screen mesh. The second vibration motor includes a second left vibration motor and a second right vibration motor. The second left vibration motor is arranged at the left end of the second support, and the second right vibration motor is arranged at the right end of the second support.
[0022] In the embodiment, the second support is provided with a second rivet. The second rivet includes a second left rivet and a second right rivet. The left end of the second support is connected to the left end of the second vertical screen through the second left rivet, and the right end of the second support is connected to the right end of the second vertical screen 9 through the second right rivet.
[0023] In the embodiment, the first screen mesh 10 is fixed by three first cross beams 1, the first support 4 is fixed on the first screen mesh 10 by the first rivet 3, and two first vibration motors 2 are fixed and installed on the first support 4. Then, the first support 4 and the first screen mesh 10 are sealed, which becomes an independent first vertical screen 8. The second screen mesh is fixed by three second cross beams, the second support is fixed on the second screen mesh by the second rivet, and two second vibration motors are fixed and installed on the second support. Then, the second support and the second screen mesh are sealed, which becomes an independent second vertical screen 9.
[0024] In the embodiment, two independent first vertical screens 8 and second vertical screens 9 are assembled, the first vertical screen 8 is installed at the top end of the first vertical column 5 and the second vertical column 12, the second vertical screen 9 is installed at the top end of the second vertical column 12 and the third vertical column 13, the first vertical column 5 is connected with the first vertical screen 8 by the first left spring, the second vertical column 12 is connected with the first vertical screen 8 by the first right spring, the second vertical column 12 is connected with the second vertical screen 9 by the second left spring, the third vertical column 13 is connected with the second vertical screen 9 by the second right spring, and the first vertical screen 8 and the second vertical screen 9 are sealed by the sealing plate 6.
[0025] In the embodiment, when the two groups of first vibration motors 2 and the two groups of second vibration motors are started at the same time, the first vertical screen 8 and the second vertical screen 9 vibrate at a certain frequency and amplitude, the fine particles are separated out in the first vertical screen 8 and the first vertical screen 9 under the action of gravity and the vibration of the screen, and the phenomenon that the screen holes are blocked by the coal powder is avoided under the action of gravity and vibration.
[0026] Through the person skilled in the art, all electrical components in the case are connected with the power supply through wires, and appropriate controllers should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence, the working order of each electrical component, the detailed connection means, the working principle and the process are well-known technologies in the art, and the electrical control is not described.
[0027] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model. The person skilled in the art can change, modify, replace and modify the above-mentioned embodiments within the scope of the utility model.
[0028] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the technical scheme of the patent and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application.
[0029] In addition, the terms "first", "second", etc. are used only for descriptive purposes and do not connote or imply a relative importance of or a specific order of the indicated features. Thus, a feature defined with "first" or "second" can include at least one of the features. In the description of the present patent application, the meaning of "a plurality" is at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.
[0030] In the present specification, unless specifically and particularly defined otherwise, the terms "mounting", "connecting", "connecting", "fixing" and the like should be interpreted broadly, for example, can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically defined. For those skilled in the art, the specific meaning of the above terms in the present specification can be understood according to the specific circumstances.
[0031] In the present specification, unless specifically and particularly defined otherwise, the first feature is "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0032] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or features of different embodiments or examples described in the present specification without contradiction.
[0033] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can make changes, modifications, replacements and modifications to the above embodiments within the scope of the present application.
Claims
1. An apparatus for obtaining fine particles from slack coal, characterized by, The vertical screen includes a first vertical screen and a second vertical screen, the sealing plate includes a first sealing plate and a second sealing plate, the supporting spring includes a first supporting spring and a second supporting spring, the vertical column includes a first vertical column, a second vertical column and a third vertical column, the first vertical screen is connected with the top end of the first vertical column and the second vertical column through the first supporting spring respectively, the second vertical screen is connected with the top end of the second vertical column and the third vertical column through the second supporting spring respectively, and the left end of the first vertical screen is connected with the second vertical column through the first sealing plate penetrating the first vertical column, and the right end of the second vertical screen is connected with the second vertical column through the second sealing plate penetrating the third vertical column.
2. An apparatus for obtaining fine particles from slack coal as claimed in claim 1, wherein, The first vertical screen includes a first cross beam, a first screen mesh, a first support frame and a first vibration motor, the first screen mesh is arranged on the first cross beam, the first support frame is arranged on the first screen mesh, and the first vibration motor is arranged on the first support frame.
3. An apparatus for obtaining fine particles from slack coal as claimed in claim 2, wherein, The first cross beam includes a first upper cross beam, a first middle cross beam and a first lower cross beam arranged in sequence from top to bottom, and the first screen mesh is arranged at the upper end of the first upper cross beam, the first middle cross beam and the first lower cross beam.
4. An apparatus for obtaining fine particles from slack coal as claimed in claim 3, wherein, The second vertical screen includes a second cross beam, a second screen mesh, a second support frame and a second vibration motor, the second screen mesh is arranged on the second cross beam, the second support frame is arranged on the second screen mesh, and the second vibration motor is arranged on the second support frame.
5. An apparatus for obtaining fine particles from slack coal as claimed in claim 4, wherein, The second cross beam includes a second upper cross beam, a second middle cross beam and a second lower cross beam arranged in sequence from top to bottom, and the second screen mesh is arranged at the upper end of the second upper cross beam, the second middle cross beam and the second lower cross beam.