CN207745640U - Automatic cleaning formula dedusting mechanism - Google Patents

Abstract

The utility model discloses a kind of automatic cleaning formula dedusting mechanisms, including rack and dedusting rotating cylinder, rack is equipped with decelerating motor and bearing block, and dedusting rotating cylinder includes the skeleton of central shaft and connection on center shaft, dedusting strainer is arranged on skeleton, the output shaft of decelerating motor is connect with central shaft driven；The rack of dedusting rotating cylinder opening at one end is equipped with the negative pressure air outlet of tubular, and the lower section of dedusting rotating cylinder is equipped with strip hairbrush, and axis direction setting and the upper end bristle of the strip hairbrush along dedusting rotating cylinder are mutually crimped with the bottom end of dedusting strainer.During dedusting drum rotation, the utility model automatically can be got off the dust adhered on strainer and eliminating impurities using hairbrush, to prevent filter net jam.

Description

Automatic brushing type dust removal mechanism

technical field

The utility model relates to the field of environmental protection technology, in particular to a dust removal device used in an air circulation system.

Background technique

At present, in the air circulation process of some industrial and agricultural equipment, the circulating air contains heat, but there are also dust and sundries. If it is directly discharged in the form of waste gas, it will waste a lot of latent heat in the waste gas, resulting in a large amount of energy. waste. Energy consumption can be reduced by recovering the latent heat of exhaust gas, but the recovered exhaust gas contains a large amount of dust and debris. If the exhaust gas passes directly through the waste heat recovery system without purification, the dust and debris will accumulate more and more, thereby reducing the efficiency of the system , and even make the system unable to work; at the same time, dust and sundries cause dust pollution, which is not conducive to health and environmental protection.

Utility model content

The purpose of this utility model is to provide an automatic brushing type dust removal mechanism, which is installed on the air duct before the inlet of the waste heat recovery system. During the rotation of the dust removal drum, the dust and sundries attached to the filter screen are automatically removed by the brush down to prevent clogging of the filter.

In order to achieve the above purpose, the automatic brushing type dust removal mechanism of the present invention includes a frame and a dust removal drum, on which a geared motor and a bearing seat are arranged, and the dust removal drum includes a central shaft and a skeleton connected to the central shaft, the skeleton The upper winding is equipped with a dust removal filter, and the dust removal filter is used as the circumferential side wall of the dust removal drum; one end of the dust removal drum is closed along the axial direction and the other end is open, and both ends of the central axis extend out of the dust removal drum and are connected to the bearing On the seat, the bearing seat is connected to the frame;

The output shaft of the deceleration motor is connected to the central shaft; the frame at the open end of the dust removal drum is provided with a cylindrical negative pressure air outlet, the diameter of the negative pressure air outlet is the same as the diameter of the dust removal drum and the two are coaxial , the negative pressure air outlet is adjacent to the dust removal drum and there is a gap between the two; the bearing seat connected to the central shaft protruding from the open end of the dust removal drum is located in the negative pressure air outlet, and the bearing seat is downward through the connection The column is connected to the frame, and the connecting column passes through the bottom wall of the negative pressure suction port and is connected with the frame;

The bottom of the dust removal drum is provided with a strip-shaped brush, and the strip-shaped brush is arranged along the axis direction of the dust removal drum, and the bristles at the upper end thereof are crimped with the bottom end of the dust removal filter screen.

The output shaft of the geared motor is connected to the central shaft through a gear transmission mechanism.

There is a dust collection mechanism in the frame below the dust removal drum and the frame below the geared motor; the dust collection mechanism includes a dust collection fan, a dust suction pipe, a dust collection box and a dust removal bag. The dust removal bag, the air inlet of the dust suction fan is connected to the dust suction pipe; the dust suction box is located directly below the brush and has a long opening at the top, and there is a gap between the top of the dust collection box and the lower end of the dust removal drum; The dust suction pipe is sealed and communicated with the side wall of the dust suction box through a flange structure.

Two rubber baffles are arranged between the top of the dust collection box and the bottom of the dust removal drum, the lower ends of the two rubber baffles are respectively fixedly connected with the two long sides of the long strip opening of the dust collection box, and the two rubber baffles There is a gap between the upper end of the baffle plate and the bottom end of the dust removal drum.

The upper part of the dust collection box is larger than the lower part, and the bottom of the dust collection box is provided with a dust removal door.

The utility model is set in the waste heat pipeline as a whole. During the continuous air intake and outlet process, the outer wall of the dust removal filter is continuously attached with dust and sundries. End brush down, so as to keep the dust filter in a relatively clean state, to prevent the dust filter from clogging during continuous operation. The fallen dust and impurities are collected in the dust bag to prevent environmental pollution.

The utility model can prevent dust and impurities from entering the waste heat recovery system, and the filter screen will not be clogged even after long-term continuous operation, which greatly reduces maintenance costs and saves downtime due to maintenance, and has good economic and environmental benefits. .

The utility model utilizes the bristles of the hairbrush to brush off the dust and sundries, the cost is low, the replacement of the wool brush is relatively convenient, and the dust and sundries can be brushed off the dust removal filter net in time.

The setting of two rubber baffles can prevent dust and debris from spilling out from the gap between the dust removal drum and the dust collection box, ensuring the dust collection effect.

Some dust and debris may fall to the bottom of the dust box. The setting of the cleaning door is convenient for cleaning out the accumulated dust and sundries after working for a period of time.

The bottom of the dust collection box is large and small, and the bottom of the dust collection box is equipped with a dust removal door. This setting is convenient for collecting dust and sundries at the bottom of the dust collection and cleaning them out through the dust removal door.

There is a gap between the upper end of the two rubber baffles and the bottom end of the dust removal drum, so as to prevent the rubber baffles from scraping off the dust and sundries on the dust filter and causing the dust and sundries to fall outside the dust collection box and cause pollution .

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic cross-sectional view of the utility model at the open end of the dust suction pipe;

Fig. 3 is an enlarged view of place A in Fig. 1;

Fig. 4 is an enlarged view at B in Fig. 2 .

Detailed ways

The direction indicated by the arrow in Fig. 1, Fig. 2 and Fig. 4 is the flow direction of the wind.

As shown in Figures 1 to 4, the automatic brushing type dust removal mechanism of the present invention includes a frame 1 and a dust removal drum 2. 5 and the skeleton connected to the central shaft 5 (the drum skeleton is a conventional structure, not shown in the figure), and the dust removal filter screen 6 is wound around the skeleton, and the dust removal filter screen 6 is used as the circumferential side wall of the dust removal drum 2; the dust removal rotor One end of cylinder 2 is closed along its axial direction and the other end is open. Both ends of central shaft 5 extend out of dust removal cylinder 2 and are connected to bearing seat 4, which is connected to frame 1;

The output shaft of the reduction motor 3 is connected to the central shaft 5; the frame 1 at the open end of the dust removal drum 2 is provided with a cylindrical negative pressure air outlet 7, and the diameter of the negative pressure air outlet 7 is the same as that of the dust removal drum 2 And the two are coaxially arranged, and the negative pressure air outlet 7 is arranged adjacent to the dust removal drum 2 with a gap between them. Because the distance between the negative pressure air outlet 7 and the dust removal drum 2 is very small, the gap between the two cannot be seen in the figure; Press out into the air outlet 7, and the bearing seat 4 is connected downwards to the frame 1 through the connecting column, and the connecting column 8 passes through the bottom wall of the negative pressure suction port and is connected to the frame 1;

The bottom of described dedusting drum 2 is provided with elongated hairbrush 9, and elongated hairbrush 9 is arranged along the axial direction of dedusting drum 2 and its upper end bristle is connected with the bottom of the dust removal filter screen 6 of dedusting drum 2. Crimp.

The output shaft of the reduction motor 3 is connected to the central shaft 5 through a gear transmission mechanism 10 . The gear transmission mechanism 10 is a conventional transmission mechanism, and the specific structure is no longer described in detail.

In the frame 1 below the dust removal drum 2 and in the frame 1 below the geared motor 3, a dust collecting mechanism is arranged; The air outlet of the dust fan 11 is connected to the dust removal bag 14, and the air inlet of the dust suction fan 11 is connected to the dust suction pipe 12; There is a gap between the top of the dust box 13 and the lower end of the dust removal drum 2; the dust suction pipe 12 is in sealing communication with the side wall of the dust collection box 13 through a flange structure. The flange structure is a conventional structure, not shown in the figure. Both ends of the lengthwise direction of the hairbrush 9 are connected with the dust collection box 13 or the frame 1 through a connecting structure.

Two rubber baffles 15 are arranged between the top of the dust collection box 13 and the bottom of the dust removal drum 2, and the lower ends of the two rubber baffles 15 are respectively fixed to the two long sides of the elongated opening of the dust collection box 13. There is a gap between the upper end of the two rubber baffles 15 and the bottom end of the dust removal drum 2, so as to prevent the rubber baffles 15 from scraping off the dust and foreign matter on the dust removal filter screen 6 and causing the dust and foreign matter to fall on the Outside the dust collection box 13, pollution is caused.

Since the rubber baffle 15 has flexibility, even if the rubber baffle 15 is in contact with the dust removal drum 2 , it will not prevent the rotation of the dust removal drum 2 .

The dust collection box 13 has a large top and a small bottom, and the bottom of the dust collection box 13 is provided with a dust removal door 16 .

During installation, the utility model is set in the waste heat pipeline as a whole, and the wind with dust and sundries enters the waste heat pipeline; the negative pressure air outlet 7 protrudes from the waste heat pipeline and connects the air inlet pipe of the waste heat recovery system, for The waste heat recovery system provides filtered air containing waste heat. There is a negative pressure in the air inlet pipe of the waste heat recovery system (the negative pressure is formed by the fan of the waste heat system).

When working, start the reduction motor 3, the reduction motor 3 drives the central shaft 5 to rotate through the gear transmission mechanism 10, and the central shaft 5 drives the entire dust removal drum 2 to rotate.

After entering the waste heat pipeline, the wind with dust and debris enters the dust removal drum 2 through the dust filter 6 along the radial direction of the dust removal drum 2, and flows out from the negative pressure air outlet 7, and passes through the air inlet pipe to form a waste heat recovery system. Provides filtered, clean hot air to prevent the accumulation of dust and debris in the waste heat recovery system, reducing the efficiency of heat recovery and forming dust pollution. When the wind with dust and sundries passes through the dust removal filter screen 6, the dust and sundries in it are blocked on the filter screen outer wall.

The dust removal filter screen 6 rotates continuously with the dust removal drum 2. When the dust and sundries on the outer wall of the filter screen rotate to the brush 9, they are scraped off by the bristles and pass through the long strip on the top of the dust collection box 13 along the two rubber baffles 15. The shape opening falls into the dust collection box 13, is then sucked into the dust suction pipe 12 under the effect of the dust suction fan 11, and is sent into the dust removal bag 14 by the dust suction fan 11 to collect. Collecting dust can prevent external dust pollution.

The above embodiments are only used to illustrate and not limit the technical solutions of the present utility model. Although the present utility model has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that the present utility model can still be modified or equivalently replaced. Any modification or partial replacement without departing from the spirit and scope of the present utility model shall fall within the scope of the claims of the present utility model.

Claims (5)

1. The automatic brushing type dust removal mechanism is characterized in that: it includes a frame and a dust removal drum. The frame is equipped with a geared motor and a bearing seat. There is a dust removal filter, and the dust removal filter is used as the circumferential side wall of the dust removal drum; one end of the dust removal drum is closed along the axial direction and the other end is open, and both ends of the central axis extend out of the dust removal drum and are connected to the bearing seat , the bearing seat is connected to the frame; The output shaft of the deceleration motor is connected to the central shaft; the frame at the open end of the dust removal drum is provided with a cylindrical negative pressure air outlet, the diameter of the negative pressure air outlet is the same as the diameter of the dust removal drum and the two are coaxial , the negative pressure air outlet is adjacent to the dust removal drum and there is a gap between the two; the bearing seat connected to the central shaft protruding from the open end of the dust removal drum is located in the negative pressure air outlet, and the bearing seat is downward through the connection The column is connected to the frame, and the connecting column passes through the bottom wall of the negative pressure suction port and is connected with the frame; The bottom of the dust removal drum is provided with a strip-shaped brush, and the strip-shaped brush is arranged along the axis direction of the dust removal drum, and the bristles at the upper end thereof are crimped with the bottom end of the dust removal filter screen. 2. The automatic brushing type dust removal mechanism according to claim 1, characterized in that: the output shaft of the geared motor is connected to the central shaft through a gear transmission mechanism. 3. The automatic brushing type dust removal mechanism according to claim 1, characterized in that: a dust collection mechanism is arranged in the frame below the dust removal drum and the frame below the geared motor; The dust collection mechanism includes a dust suction fan, a dust suction pipe, a dust collection box and a dust removal bag. The air outlet of the dust collection fan is connected to the dust removal bag, and the air inlet of the dust collection fan is connected to the dust collection pipe; There is a strip-shaped opening directly below and at the top, and there is a gap between the top of the dust collection box and the lower end of the dust removal drum; the dust suction pipe and the side wall of the dust collection box are sealed and connected through a flange structure. 4. The automatic cleaning dust removal mechanism according to claim 3, characterized in that: two rubber baffles are arranged between the top of the dust collection box and the bottom of the dust removal drum, and the lower ends of the two rubber baffles are respectively It is fixedly connected with the two long sides of the elongated opening of the dust collection box, and there is a gap between the upper ends of the two rubber baffles and the bottom end of the dust removal drum. 5. The automatic brushing type dust removal mechanism according to claim 3, characterized in that: the upper part of the dust collecting box is larger than the lower part, and the bottom of the dust collecting box is provided with a dust removal door.