Induced air channel of powder concentrator of mill room

Abstract

The utility model discloses an air inducing channel of a powder concentrator of a mill room, relates to the field of air inducing of mill rooms, and solves the problems that an existing device is difficult to efficiently convey an air body according to requirements and is low in practicability, and adopts the following scheme that the air inducing channel comprises an air inducing channel body, and the outer end of the air inducing channel body is fixedly connected with a bearing channel; the air inducing channel is fixedly connected with a driving box through a bearing channel; the air inducing channel is a rectangular channel, the driving box is a cylindrical box, a driving motor is fixedly installed at the top of the driving box, and an output shaft of the driving motor is fixedly sleeved with an impeller base located on the inner side of the output shaft. According to the air inducing channel of the powder concentrator of the mill room, through the arrangement of the air inducing channel and the driving box communicated with the air inducing channel, air in the second layer on the bottom side can be driven to be conveyed into the third layer on the top side through rotation of the impeller base on the inner side of the driving box, the efficient air inducing effect is achieved, and dust filtering can be conducted on the air penetrating through the air inducing channel through the arrangement of the filtering assembly in the air inducing channel.

Description

Technical Field

[0001] The utility model relates to the technical field of air induction in a mill room, in particular to an air induction channel for a powder selector in a mill room. Background Art

[0002] Cement is a powdery hydraulic inorganic gelling material. Before leaving the factory, cement usually needs to be screened by a powder classifier to classify cement of different particle sizes.

[0003] After searching, the application with patent number CN202221207906.7 discloses a powder classifier for sorting granular materials, comprising: a shell with a hollow cavity formed inside, a first opening for air intake and a second opening for air outlet provided on the shell, the first opening and the second opening being respectively connected with the hollow cavity; a first rotating assembly rotatably arranged in the hollow cavity, for separating granular materials with a preset particle size from the granular materials; a feeding piece provided on the shell, the feeding piece having a first material port located in the hollow cavity; wherein the second opening is located above the first rotating assembly, the first material port is located below the first rotating assembly, and the first opening is located below the first material port;

[0004] The existing powder concentrator is generally set in the mill room. During the preparation process, the ambient temperature of the second floor of the mill room is relatively high. During the ventilation process, the third floor needs high-temperature gas assistance. Therefore, it is necessary to set an air duct between the second and third floors of the mill room to transport the air from the second floor to the third floor.

[0005] The existing traditional air induced duct is a rectangular channel, which has limited effect on the conveying effect of the air body. In addition, there is dust in the gas, which needs to be filtered by a filter layer during the conduction process. However, the filter layer arranged on the inside of the channel is inconvenient to disassemble and assemble, and has low practicality.

[0006] Therefore, we proposed an induced draft duct for the powder classifier in the grinding mill room. Utility Model Content

[0007] In view of the deficiencies in the prior art, the utility model provides an air duct for a powder selector in a grinding room, which solves the problem that the prior devices are difficult to efficiently transmit air according to demand and have low practicality.

[0008] To achieve the above purpose, the utility model is implemented through the following technical solutions: an air induced passage of a powder selector in a grinding mill room, comprising an air induced passage, the outer end of the air induced passage is fixedly connected to a receiving passage, and the air induced passage is fixedly connected to a driving box through the receiving passage;

[0009] The air inlet duct is a rectangular channel, the drive box is a cylindrical box, a drive motor is fixedly installed on the top of the drive box, and an impeller seat located inside it is fixedly sleeved on the output shaft of the drive motor;

[0010] A top groove is opened on the top side of the air inlet duct, a filtering component is clamped in the top groove, the main body of the filtering component is a clamping frame, and a filter screen plate located in the air inlet duct is fixedly installed at the bottom of the clamping frame.

[0011] Preferably, the clamping frame is a frame seat protruding downward and adapted to the specifications of the top groove;

[0012] Among them, the setting of the clamping frame facilitates clamping the filtering component in the top groove from the top side, and the clamping frame is assembled on the air inlet duct through fastening screws.

[0013] Preferably, a perspective plate made of transparent plastic plate is fixedly installed inside the clamping frame;

[0014] Among them, the setting of the perspective plate facilitates visually observing the amount of dust adhered to the filter screen plate from the outside, and facilitates timely disassembly and cleaning of it.

[0015] Preferably, the filter screen plate is an inclined mesh plate, a horizontal clamp is fixedly installed at the bottom of the filter screen plate, and a rail groove adapted to the horizontal clamp at the bottom of the filter screen plate is fixedly installed at the bottom inside the air inlet duct;

[0016] Among them, the setting of the rail groove facilitates supporting and limiting the filtering component from the bottom side, and ensures the stability of its assembly.

[0017] Preferably, a mounting bracket is assembled on the air inlet duct through bolt assemblies, and the air inlet duct is assembled with the top beam through fastening screws and the mounting bracket;

[0018] Among them, the setting of the mounting bracket can ensure the stability of its assembly.

[0019] Preferably, the mounting bracket is a U-shaped clamping seat, and the U-shaped clamp on the top side of the mounting bracket is made of magnetic blocks.

[0020] The utility model provides an air inlet channel for a powder separator in a grinding room. It has the following beneficial effects:

[0021] For the air inlet channel of the powder separator in the grinding room, through the setting of the air inlet duct and the drive box connected thereto, the gas in the bottom second layer can be driven to be transmitted to the top third layer by the rotation of the impeller seat inside the drive box, achieving the effect of efficient air inlet. And the setting of the filtering component in the air inlet duct can filter the dust in the gas passing through it. At the same time, the filtering component can be conveniently disassembled from the top side without disassembling the air inlet duct, solving the problems that the existing device is difficult to efficiently transmit the air body according to requirements and has low practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the drive box of the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the air duct of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the top side of the air duct of the utility model;

[0026] Figure 5 It is a structural schematic diagram of the filter assembly of the utility model.

[0027] In the figure: 1. air duct; 11. top groove; 12. rail groove; 2. drive box; 21. drive motor; 22. impeller seat; 3. receiving channel; 4. filter assembly; 41. card frame; 42. perspective plate; 43. filter screen plate; 5. mounting frame. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figures 1-5 The embodiment of the utility model provides a technical solution: an air induced draft channel of a powder selector in a grinding mill room, comprising an air induced draft channel 1, a receiving channel 3 is fixedly connected to the outer end of the air induced draft channel 1, and a driving box 2 is fixedly connected to the air induced draft channel 1 through the receiving channel 3; the air induced draft channel 1 is a rectangular channel, the driving box 2 is a cylindrical box, a driving motor 21 is fixedly installed on the top of the driving box 2, and an impeller seat 22 located on the inner side of the driving motor 21 is fixedly sleeved on the output shaft of the driving motor 21; a top groove 11 is provided on the top side of the air induced draft channel 1, a filter assembly 4 is clamped in the top groove 11, the main body of the filter assembly 4 is a clamping frame 41, and a filter screen plate 43 located in the air induced draft channel 1 is fixedly installed at the bottom of the clamping frame 41;

[0030] Among them, the draft channel of the powder classifier in the grinding mill room, through the setting of the draft duct 1 and the connecting channel 3 connected thereto, can drive the gas in the second layer on the bottom side to be transmitted to the third layer on the top side by the rotation of the impeller seat 22 inside the driving box 2, thereby achieving the effect of efficient draft. The setting of the filter assembly 4 in the draft duct 1 can filter the dust of the gas passing therethrough, and at the same time, the filter assembly 4 can be conveniently disassembled from the top side without disassembling the draft duct 1, thereby solving the problem that the existing device is difficult to efficiently transmit the wind body according to the demand and has low practicality.

[0031] Embodiment 2:

[0032] The card frame 41 is a frame seat that protrudes downward and is compatible with the specifications of the top groove 11; wherein, the setting of the card frame 41 facilitates the card installation of the filter assembly 4 in the top groove 11 from the top side, and the card frame 41 is assembled on the air duct 1 by fastening screws.

[0033] A transparent plastic plate 42 is fixedly mounted on the inner side of the card frame 41; the setting of the transparent plate 42 facilitates visual inspection of the amount of dust adhered to the filter screen plate 43 from the outside, so as to facilitate timely disassembly and cleaning thereof.

[0034] The filter screen plate 43 is an oblique screen plate, and a horizontal clamp is fixedly installed at the bottom of the filter screen plate 43, and a rail groove 12 that matches the specification of the horizontal clamp at the bottom of the filter screen plate 43 is fixedly installed at the bottom of the inner side of the air duct 1; wherein, the setting of the rail groove 12 facilitates the support and limitation of the filter assembly 4 from the bottom side to ensure the stability of its assembly.

[0035] The air duct 1 is assembled with a mounting frame 5 by means of a bolt assembly, and the air duct 1 is assembled with the top beam by means of fastening screws and the mounting frame 5; wherein, the arrangement of the mounting frame 5 can ensure the stability of its assembly.

[0036] The mounting frame 5 is a U-shaped card seat, and the U-shaped card on the top side of the mounting frame 5 is made of a magnetic block.

[0037] The working principle and use process of the utility model are as follows: when the device is needed to work, each group of induced air ducts 1 and drive boxes 2 are assembled between the second and third floors of the grinding machine room, and the drive motor 21 drives the impeller seat 22 in the drive box 2 to rotate, generating negative pressure to drive the gas in the second layer on the bottom side to be transmitted to the third layer, thereby ensuring the induced air effect, and the setting of the filter assembly 4 in the induced air duct 1 can utilize the setting of the oblique filter screen plate 43 thereon to absorb dust in the gas, and it can be disassembled and cleaned as a whole from the top side.

[0038] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and without departing from the spirit or basic features of the present utility model, the present utility model can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes within the meaning and scope of the equivalent elements of the claims in the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

[0039] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An air duct for a powder selector in a mill room, characterized in that: It comprises an air duct (1), the outer end of the air duct (1) is fixedly connected to a receiving channel (3), and the air duct (1) is fixedly connected to a driving box (2) via the receiving channel (3); The air duct (1) is a rectangular channel, the drive box (2) is a cylindrical box, a drive motor (21) is fixedly mounted on the top of the drive box (2), and an impeller seat (22) located on the inner side of the output shaft of the drive motor (21) is fixedly mounted on the output shaft of the drive motor (21); The top side of the air duct (1) is provided with a top groove (11), a filter assembly (4) is clamped in the top groove (11), the main body of the filter assembly (4) is a clamping frame (41), and a filter screen plate (43) located in the air duct (1) is fixedly mounted at the bottom of the clamping frame (41); the clamping frame (41) is a frame seat protruding downward and matching the specifications of the top groove (11); a transparent plastic plate (42) is fixedly mounted on the inner side of the clamping frame (41); the filter screen plate (43) is an oblique screen plate, a horizontal clamp is fixedly mounted on the bottom of the filter screen plate (43), and a rail groove (12) matching the specifications of the horizontal clamp at the bottom of the filter screen plate (43) is fixedly mounted at the bottom of the inner side of the air duct (1).

2. The air duct of the powder concentrator in the mill room according to claim 1 is characterized in that: The air duct (1) is equipped with a mounting frame (5) via a bolt assembly, and the air duct (1) is assembled with the top beam via fastening screws and the mounting frame (5).

3. The air duct of the powder concentrator in the mill room according to claim 2 is characterized in that: The mounting frame (5) is a U-shaped card seat, and the U-shaped card on the top side of the mounting frame (5) is made of a magnetic block.

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