CN223042864U - Air intake device of grinding mill - Google Patents

Abstract

The utility model provides an air inlet device of a pulverizer, which comprises a shell, wherein an air inlet pipeline is arranged at the left end of the shell, an air outlet pipeline is arranged at the right end of the shell, a filter assembly is arranged in the shell, the filter assembly comprises first grooves symmetrically arranged at the left end of the shell, a filter plate I is connected between the first grooves, second grooves are symmetrically arranged at the right end of the shell, a second filter plate is connected between the second grooves, a cleaning assembly for cleaning the filter plate I is arranged at the left end of the filter plate I, and through the air inlet device of the pulverizer, the air entering the shell can be filtered through the first filter plate and the second filter plate, and the filter plate I can be cleaned through the cleaning assembly, so that air circulation caused by dust blockage is prevented effectively, the smooth air inlet of the pulverizer is ensured, and the working efficiency of equipment is maintained or improved.

Description

Air inlet device of pulverizer

Technical Field

The utility model belongs to the technical field of air inlet devices, and particularly relates to an air inlet device of a pulverizer.

Background

The air inlet device of the pulverizer is a key component part in an air path system of the pulverizer, is mainly responsible for conveying necessary air flow into the pulverizer so as to realize drying of materials, cooling in the grinding process and classification and conveying of auxiliary powder, in the prior art, an air inlet is usually arranged at the top of a device shell, an air outlet pipeline is arranged at the bottom of the device shell, a first filter screen and a second filter screen are arranged in the device shell, so as to filter the gas entering the shell of the device, but in the mode, the inside of the shell device is not provided with a cleaning component for cleaning the filter screen, dust and fine powder can be gradually accumulated on the filter screen along with the increase of working time, if an automatic cleaning mechanism is not adopted, the blocking of the filter screen can be more and more serious, the air inflow is reduced, the ventilation efficiency of the pulverizer is affected, and the pulverizing efficiency and the yield are further reduced.

For example, the utility model of publication No. CN220780610U discloses an air intake device of a bentonite processing raymond mill, in the technical scheme of this patent, through setting up the air inlet at the top of device casing, be connected with the gas outlet pipe in the bottom of device casing, be provided with the air guide passageway in the inside of device casing, and install first filter screen and second filter screen in the intermediate position of device casing, in order to filter the gas that gets into the inside of device casing, but in this manner, the inside of casing device does not set up the clean subassembly that is used for carrying out the filter screen, and dust and impurity in the air can accumulate on the filter screen over time, if not effective clean mechanism, the filter screen can be blockked up gradually, this can reduce air flow, reduce the efficiency of system, influence the normal operating and the throughput of milling machine.

Disclosure of utility model

In view of the above, the present utility model provides an air inlet device of a pulverizer, which not only can filter the air entering the inside of the casing through the first filter plate and the second filter plate, but also can clean the first filter plate through the cleaning assembly, thereby effectively preventing the air flow from being blocked due to the blockage of dust, ensuring the smooth air inlet of the pulverizer, and maintaining or improving the working efficiency of the equipment.

In order to solve the technical problems, the air inlet device of the pulverizer comprises a shell, wherein an air inlet pipeline is arranged at the left end of the shell, an air outlet pipeline is arranged at the right end of the shell, a filter assembly is arranged in the shell and comprises first grooves symmetrically arranged at the left end of the shell, a filter plate I is connected between the first grooves, second grooves are symmetrically arranged at the right end of the shell, a filter plate II is connected between the second grooves, and a cleaning assembly for cleaning the filter plate I is arranged at the left end of the filter plate I.

As a further improvement of the utility model, the cleaning component comprises sliding grooves arranged on the front side wall and the rear side wall of the shell, sliding blocks are arranged in the sliding grooves in a sliding manner, a rotating rod is rotatably arranged between the two sliding blocks, a brush plate for brushing the first filter plate is uniformly arranged on the rotating rod, the brush plate is in contact with the first filter plate, a driving piece I for driving the rotating rod to move up and down is arranged at the upper end of the shell, a driving piece II for driving the rotating rod to rotate is arranged on the side wall of the first groove, the driving piece I comprises a movable frame arranged at the upper end of the two sliding blocks, a telescopic push rod is arranged at the upper end of the shell, the output end of the telescopic push rod extends into the interior of the shell and is connected with the movable frame, the driving piece II comprises a rack plate arranged on the side wall of the groove one side positioned at the front side, and a gear meshed with the rack plate is arranged on the rotating rod.

As a further improvement of the utility model, the lower side wall of the shell is provided with a through hole, the lower end of the through hole is provided with a collecting box, and the through hole is positioned below the brush plate.

As a further development of the utility model, the filter plate one has a larger filter pore size than the filter plate two.

Compared with the prior art, the utility model has the following beneficial effects:

Firstly, through setting up clean subassembly, start flexible push rod, can make the movable frame reciprocate, remove the frame and drive the slider and reciprocate, the slider drives the bull stick and reciprocates, and then makes the gear on the bull stick rotate under rack board's effect, and gear rotation drives the brush board and rotates, and then clear up filter one, and regular self-cleaning can effectively get rid of dust and debris of accumulating on the filter one, ensures the gas permeability of filter, maintains good air current exchange to guarantee the lasting high-efficient operation of milling machine.

And secondly, dust, impurities and other particulate matters in the air can be effectively intercepted by arranging the first filter plate and the second filter plate, so that the air entering the pulverizer is ensured to be clean.

Thirdly, dust and fine particles cleaned by the brush plate can be received and stored by the collecting box, and the dust is prevented from reentering the working environment or polluting products, so that the cleanness of a working area is maintained and the quality of finished products is improved.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the through hole, the first filter plate and the second filter plate;

FIG. 3 is a schematic view of a cleaning assembly according to the present utility model;

Fig. 4 is a schematic elevational view of the present utility model.

In the figure, 101, a shell, 102, an air inlet pipeline, 103, an air outlet pipeline, 104, a first groove, 105, a first filter plate, 106, a second groove, 107, a second filter plate, 201, a sliding groove, 202, a sliding block, 203, a rotating rod, 204, a brush plate, 205, a movable frame, 206, a telescopic push rod, 207, a rack plate, 208, a gear, 209, a collecting box, 210 and a through hole.

Detailed Description

For a better understanding of the present utility model, the following examples are set forth to further illustrate the utility model, but are not to be construed as limiting the utility model. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details.

As shown in fig. 1, 2 and 3, the air inlet device of the pulverizer comprises a shell 101, an air inlet pipeline 102 is arranged at the left end of the shell 101, an air outlet pipeline 103 is arranged at the right end of the shell 101, a filter assembly is arranged in the shell 101, the filter assembly comprises a first groove 104 symmetrically arranged at the left end of the shell 101, a first filter plate 105 is connected between the two first grooves 104, a second groove 106 is symmetrically arranged at the right end of the interior of the shell 101, a second filter plate 107 is connected between the two second grooves 106, dust, impurities and other particles in air can be effectively intercepted by the first filter plate 105 and the second filter plate 107, air cleaning of the pulverizer is ensured, and a cleaning assembly for cleaning the first filter plate 105 is arranged at the left end of the first filter plate 105.

As shown in fig. 1 and 3, the cleaning assembly comprises sliding grooves 201 arranged on the front side wall and the rear side wall of the casing 101, sliding blocks 202 are slidably arranged in the sliding grooves 201, a rotating rod 203 is rotatably arranged between the two sliding blocks 202, brush plates 204 for brushing the first filter plate 105 are uniformly arranged on the rotating rod 203, a first driving member for driving the rotating rod 203 to move up and down is arranged at the upper end of the casing 101, and a second driving member for driving the rotating rod 203 to rotate is arranged on the side wall of the first groove 104.

As shown in fig. 1 and 3, the first driving member includes a moving frame 205 disposed at the upper ends of two sliding blocks 202, a telescopic push rod 206 is disposed at the upper end of the housing 101, the output end of the telescopic push rod 206 extends into the housing 101 to be connected with the moving frame 205, the second driving member includes a rack plate 207 disposed on the side wall of the groove one 104 located at the front side, a gear 208 meshed with the rack plate 207 is disposed on the rotating rod 203, the telescopic push rod 206 is started to enable the moving frame 205 to move up and down, the moving frame 205 drives the sliding block 202 to move up and down, the sliding block 202 drives the rotating rod 203 to move up and down, and then the gear 208 on the rotating rod 203 rotates under the action of the rack plate 207, the gear 208 rotates to drive the brush plate 204 to rotate, and then the first filter plate 105 is cleaned, dust and sundries accumulated on the first filter plate 105 can be effectively removed by regular automatic cleaning, air permeability of the filter plate is ensured, good air flow exchange is maintained, and continuous and efficient operation of the pulverizer is ensured.

As shown in fig. 1 and 2, the filter plate one 105 has a larger filter pore size than the filter plate two 107.

When the device is used, firstly, the air inlet device is arranged on the pulverizer, when air enters the shell 101 from the air inlet pipeline 102, the air is filtered through the first filter plate 105 and the second filter plate 107, so that the air inlet can be filtered through the design of the first filter plate 105 and the second filter plate 107, impurities are prevented from entering the pulverizer, in the air inlet process, the telescopic push rod 206 is started, the movable frame 205 can move up and down, the movable frame 205 drives the slide block 202 to move up and down, the slide block 202 drives the rotary rod 203 to move up and down, the gear 208 on the rotary rod 203 rotates under the action of the rack plate 207, the gear 208 rotates to drive the brush plate 204 to rotate, the first filter plate 105 is cleaned, dust and impurities accumulated on the first filter plate 105 can be effectively removed through regular automatic cleaning, good air flow exchange is ensured, and continuous and efficient operation of the pulverizer is ensured.

According to another embodiment of the present utility model, as shown in fig. 1, 2 and 4, a through hole 210 is formed in the lower sidewall of the housing 101, a collection box 209 is provided at the lower end of the through hole 210, the through hole 210 is located below the brush plate 204, and the collection box 209 is used to receive and store falling dust and fine particles, prevent the dust from re-entering the working environment or polluting the product, thereby keeping the working area clean and improving the quality of the finished product.

Finally, it is noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model, and that other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims (7)

1. The air inlet device of the pulverizer comprises a shell (101) and is characterized in that an air inlet pipeline (102) is arranged at the left end of the shell (101), an air outlet pipeline (103) is arranged at the right end of the shell, a filter assembly is arranged in the shell (101), the filter assembly comprises first grooves (104) symmetrically arranged at the left end of the inside of the shell (101), a first filter plate (105) is connected between the first grooves (104), second grooves (106) are symmetrically arranged at the right end of the inside of the shell (101), a second filter plate (107) is connected between the second grooves (106), and a cleaning assembly used for cleaning the first filter plate (105) is arranged at the left end of the first filter plate (105).

2. The air inlet device of the pulverizer of claim 1, wherein the cleaning assembly comprises sliding grooves (201) arranged on the front side wall and the rear side wall of the shell (101), sliding blocks (202) are slidably arranged in the sliding grooves (201), a rotating rod (203) is rotatably arranged between the two sliding blocks (202), brush plates (204) for brushing the first filter plates (105) are uniformly arranged on the rotating rod (203), a first driving part for driving the rotating rod (203) to move up and down is arranged at the upper end of the shell (101), and a second driving part for driving the rotating rod (203) to rotate is arranged on the side wall of the first groove (104).

3. The air inlet device of the pulverizer as set forth in claim 2, wherein the first driving member comprises a moving frame (205) arranged at the upper ends of the two sliding blocks (202), a telescopic push rod (206) is arranged at the upper end of the shell (101), and the output end of the telescopic push rod (206) extends into the interior of the shell (101) to be connected with the moving frame (205).

4. An air inlet device of a pulverizer as claimed in claim 2, wherein the second driving member comprises a rack plate (207) arranged on the side wall of the first groove (104) on the front side, and the rotating rod (203) is provided with a gear (208) meshed with the rack plate (207).

5. The air inlet device of the pulverizer as claimed in claim 2, wherein the brush plate (204) is abutted against the first filter plate (105).

6. The air inlet device of the pulverizer as set forth in claim 2, wherein the lower side wall of the shell (101) is provided with a through hole (210), the lower end of the through hole (210) is provided with a collecting box (209), and the through hole (210) is located below the brush plate (204).

7. The air inlet device of a pulverizer as claimed in claim 1, wherein the filter plate I (105) has a larger filter pore size than the filter plate II (107).