Efficient environment-friendly dust removal device

Abstract

The utility model discloses an efficient environment-friendly dust removal device which comprises a dust removal box, an air purification box is mounted at the top of the dust removal box, a dust discharge screw cylinder and a plurality of supporting legs are mounted at the bottom of the dust removal box, an air inlet is formed in one end of the dust removal box, and an air outlet is formed in one end of the air purification box; a lower turning plate mechanism is installed on the lower portion of an inner cavity of the dust removal box and located above the position where the air inlet is located, an upper turning plate mechanism is installed in the middle of an inner cavity of the air purification box and located below the position where the air outlet is located, and the upper turning plate mechanism and the lower turning plate mechanism are the same in structure; a plurality of filter bags and a pore plate are mounted at the upper part of the inner cavity of the dust removal box, a horizontally arranged pulse pipe is mounted at the bottom of the inner cavity of the air purification box, and blowholes in one-to-one correspondence with the filter bags are formed in the bottom of the pulse pipe. The dust removal device provided by the utility model can reduce the resistance of high-pressure pulse air to overcome dust-containing air flow, reduces the pressure and air quantity of compressed air required by dust removal, and is beneficial to energy conservation and consumption reduction.

Description

Technical Field

[0001] The utility model relates to a high-efficiency and environment-friendly dust removal device, belonging to the technical field of dust removal. Background Art

[0002] Most types of bag filters are named according to the cleaning method, and are mainly divided into three types: mechanical vibration bag filters, atmospheric back-blowing bag filters, and pulse jet bag filters. Dust-laden gas passes through the filter bag, and dust is retained on the outer surface of the filter bag. The purified gas enters the upper box through the filter bag opening and is then discharged from the air outlet. As the filtration time increases, the dust layer on the filter bag continues to accumulate, and the resistance of the dust removal equipment continues to rise. When the equipment resistance rises to the set value, pulse cleaning begins. Compressed air rushes into the filter bag in a very short time, causing the filter bag to expand and deform to vibrate, and under the action of the reverse airflow, the dust attached to the outer surface of the filter bag is peeled off and falls into the ash hopper.

[0003] During the pulse cleaning process of the bag dust collector in the prior art, the high-pressure pulse air must first overcome the resistance of the dust-laden gas airflow, and then flow into the filter bag, causing the filter bag to expand and deform to produce vibration for cleaning. The pulse air pressure required for the cleaning process is relatively high, and the amount of compressed air required for cleaning is relatively large, resulting in higher power consumption.

[0004] In summary, the prior art obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0005] The utility model aims at the deficiencies in the background technology and provides an efficient and environmentally friendly dust removal device, which can reduce the resistance of high-pressure pulse air to overcome the dust-laden air flow, reduce the pressure and air volume of compressed air required for dust cleaning, and is conducive to energy saving and consumption reduction.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] An efficient and environmentally friendly dust removal device includes a dust removal box, a clean air box is installed on the top of the dust removal box, and a dust removal screw barrel and multiple legs are installed at the bottom of the dust removal box;

[0008] An air inlet is provided at one end of the dust removal box, and an air outlet is provided at one end of the clean air box; a lower flap mechanism is installed at the lower part of the inner cavity of the dust removal box, and the lower flap mechanism is located above the position of the air inlet; an upper flap mechanism is installed at the middle part of the inner cavity of the clean air box, and the upper flap mechanism is located below the position of the air outlet, and the upper flap mechanism and the lower flap mechanism have the same structure;

[0009] A plurality of filter bags and a perforated plate are installed on the upper part of the inner cavity of the dust removal box, and a horizontally arranged pulse tube is installed at the bottom of the inner cavity of the clean air box. The bottom of the pulse tube has jet holes arranged one by one corresponding to the filter bags.

[0010] Furthermore, the lower flap mechanism includes a flap, a rotating shaft, a swing arm, a cross arm and a telescopic cylinder.

[0011] Furthermore, there are multiple flaps, which are arranged in sequence along the length direction of the dust removal box.

[0012] Furthermore, the rotating shaft is fixedly connected to the middle part of the flap, and both ends of the rotating shaft are rotatably connected to the box wall of the dust removal box.

[0013] Furthermore, the cross arm and the swing arm are both located outside the box wall of the dust removal box, the cross arm is hinged to the top ends of the plurality of swing arms, and the bottom ends of the plurality of swing arms are respectively fixedly connected to the shaft heads of the rotating shaft.

[0014] Furthermore, a telescopic cylinder is connected above the cross arm, and the telescopic cylinder is hingedly mounted on the outer wall of the dust removal box.

[0015] Furthermore, the dust removal box and the clean air box, and the dust removal box and the dust exhaust screw barrel are connected by bolts.

[0016] Furthermore, the air outlet is connected to the bottom of the exhaust chimney through a connecting pipe; and a fan is installed at the connection between the connecting pipe and the exhaust chimney.

[0017] Furthermore, the top open end of the filter bag is connected to the orifice plate, and the orifice plate is fixed to the top inner wall of the dust removal box.

[0018] Furthermore, one end of the pulse tube passes through the box wall of the clean air box and is connected to the air source pipe through a bent pipe, and a pulse valve is installed on the bent pipe.

[0019] Compared with the prior art, the utility model has the following advantages after adopting the above technical solution:

[0020] During dust cleaning, the flaps of the upper flap mechanism and the lower flap mechanism are both in a horizontal state, so that the filter bag and the pulse tube are sealed between the upper and lower flaps. After sealing, the pulse tube is used for pulse cleaning, which reduces the resistance of the dust-containing air flow that the high-pressure pulse air needs to overcome. Therefore, the compressed air pressure does not need to be very large, and the compressed air volume does not need to be much to effectively perform pulse cleaning, which can reduce the consumption of electric energy.

[0021] The dust removal box and the clean air box, as well as the dust removal box and the dust exhaust screw barrel in the utility model are connected by bolts, which is convenient for on-site assembly. The assembly process does not require on-site welding, thereby improving assembly efficiency.

[0022] The utility model is described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1It is a structural schematic diagram of the utility model;

[0024] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0025] Figure 3 It is a structural schematic diagram of the lower flap mechanism.

[0026] In the figure, 1-dust removal box, 2-clean air box, 3-dust exhaust screw, 4-leg, 5-air inlet, 6-air outlet, 7-connecting pipe, 8-exhaust chimney, 9-lower flap mechanism, 901-flip plate, 902-rotating shaft, 903-swing arm, 904-cross arm, 905-telescopic cylinder, 10-upper flap mechanism, 11-filter bag, 12-orifice plate, 13-pulse tube, 14-air source tube, 15-pulse valve. DETAILED DESCRIPTION

[0027] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation methods of the utility model are now described with reference to the accompanying drawings.

[0028] like Figure 1-Figure 3 As shown together, the utility model provides a high-efficiency and environmentally friendly dust removal device, including a dust removal box 1, a clean air box 2 is installed on the top of the dust removal box 1, a dust removal screw barrel 3 and a plurality of legs 4 are installed at the bottom of the dust removal box 1, and the plurality of legs 4 are distributed on both sides of the dust removal screw barrel 3 along the length direction.

[0029] The dust removal box 1 and the clean air box 2, as well as the dust removal box 1 and the dust exhaust screw cylinder 3 are connected by bolts for easy assembly, and sealant is applied to the connection parts during assembly to ensure that there is no air leakage.

[0030] One end of the dust removal box 1 is provided with an air inlet 5, and one end of the clean air box 2 is provided with an air outlet 6, which is connected to the bottom of the exhaust chimney 8 through a connecting pipe 7. The dust-removed air enters the exhaust chimney 8 from the air outlet 6 and the connecting pipe 7 for exhaust.

[0031] A fan is installed at the connection between the connecting pipe 7 and the exhaust chimney 8, and the fan provides power for the air flow.

[0032] A lower flap mechanism 9 is installed at the lower part of the inner cavity of the dust removal box 1, and the lower flap mechanism 9 is located above the air inlet 5. An upper flap mechanism 10 is installed in the middle part of the inner cavity of the clean air box 2, and the upper flap mechanism 10 is located below the air outlet 6. The upper flap mechanism 10 and the lower flap mechanism 9 have the same structure.

[0033] The lower flap mechanism 9 includes a flap 901 , a rotating shaft 902 , a swing arm 903 , a cross arm 904 and a telescopic cylinder 905 .

[0034] There are multiple flaps 901 , which are arranged in sequence along the length direction of the dust removal box 1 . When the multiple flaps 901 are in a horizontal state, the inner cavity of the dust removal box 1 can be separated into upper and lower parts.

[0035] The rotating shaft 902 is fixedly connected to the middle part of the flap 901 , and both ends of the rotating shaft 902 are rotatably connected to the box wall of the dust removal box 1 , so that the rotating shaft 902 can drive the flap 901 to move.

[0036] The cross arm 904 and the swing arm 903 are both located outside the box wall of the dust removal box 1 , the cross arm 904 is hinged to the top ends of the plurality of swing arms 903 , and the bottom ends of the plurality of swing arms 903 are fixedly connected to the shaft heads of the rotating shaft 902 .

[0037] A telescopic cylinder 905 is connected above the cross arm 904, and the telescopic cylinder 905 is hingedly mounted on the outer wall of the dust removal box 1. The telescopic cylinder 905 drives the flap 901 to swing 90 degrees along the rotating shaft 902 through the cross arm 904 and the swing arm 903.

[0038] A plurality of filter bags 11 and a perforated plate 12 are installed on the upper part of the inner cavity of the dust removal box 1 . The top open end of the filter bag 11 is connected to the perforated plate 12 , and the perforated plate 12 is fixed to the top inner wall of the dust removal box 1 .

[0039] A horizontally arranged pulse tube 13 is installed at the bottom of the inner cavity of the clean air box 2, and the bottom of the pulse tube 13 has jet holes arranged one by one corresponding to the filter bags 11. One end of the pulse tube 13 passes through the box wall of the clean air box 2 and is connected to the air source pipe 14 through a bend pipe, and a pulse valve 15 is installed on the bend pipe.

[0040] When the flap 901 of the upper flap mechanism 10 is in a horizontal state, the inner cavity of the clean air box 2 can be separated into upper and lower parts.

[0041] The specific working principle of this utility model:

[0042] The dust-laden air enters the bottom of the dust removal box 1 from the air inlet 5, and the filter bag 11 inside the dust removal box 1 filters and removes dust from the dust-laden air. During the dust removal process, the flaps 901 of the upper flap mechanism 10 and the lower flap mechanism 9 are both in a vertical state; the filtered clean air enters the clean air box 2, and enters the exhaust chimney 8 through the air outlet 6 and the connecting pipe 7 for emptying; the dust intercepted by the filtering and cleaning work falls into the dust exhaust screw barrel 3 and is discharged in a centralized manner.

[0043] During dust cleaning, the upper flap mechanism 10 and the lower flap mechanism 901 of the utility model are both in a horizontal state, so that the filter bag 11 and the pulse tube 13 are enclosed between the upper and lower flap mechanisms 901. After being enclosed, pulse cleaning is performed through the pulse tube 13, which reduces the resistance of the dust-laden air flow that the high-pressure pulse air needs to overcome. Therefore, the compressed air pressure does not need to be very high, and the compressed air volume does not need to be very large for effective pulse cleaning, which can reduce the consumption of electric energy.

[0044] The above is an example of the best implementation of the utility model, and the parts not described in detail are common knowledge of ordinary technicians in this field. The protection scope of the utility model is based on the content of the claims, and any equivalent transformation based on the technical inspiration of the utility model is also within the protection scope of the utility model.

Claims

1. High-efficiency and environmentally friendly dust removal device, characterized by: It comprises a dust removal box (1), a clean air box (2) is installed on the top of the dust removal box (1), and a dust removal screw cylinder (3) and a plurality of supporting legs (4) are installed on the bottom of the dust removal box (1); An air inlet (5) is provided at one end of the dust removal box (1), and an air outlet (6) is provided at one end of the clean air box (2); a lower flap mechanism (9) is installed at the lower part of the inner cavity of the dust removal box (1), and the lower flap mechanism (9) is located above the position where the air inlet (5) is located; an upper flap mechanism (10) is installed at the middle part of the inner cavity of the clean air box (2), and the upper flap mechanism (10) is located below the position where the air outlet (6) is located; the upper flap mechanism (10) and the lower flap mechanism (9) have the same structure; A plurality of filter bags (11) and a perforated plate (12) are installed at the upper portion of the inner cavity of the dust removal box (1), and a horizontally arranged pulse tube (13) is installed at the bottom of the inner cavity of the clean air box (2). The bottom of the pulse tube (13) has jet holes arranged one-to-one with the filter bags (11).

2. The high-efficiency and environmentally friendly dust removal device according to claim 1, characterized in that: The lower flap mechanism (9) comprises a flap (901), a rotating shaft (902), a swing arm (903), a cross arm (904), and a telescopic cylinder (905).

3. The high-efficiency and environmentally friendly dust removal device according to claim 2, characterized in that: There are multiple flaps (901), and the multiple flaps (901) are arranged in sequence along the length direction of the dust removal box (1).

4. The high-efficiency and environmentally friendly dust removal device according to claim 3, characterized in that: The rotating shaft (902) is fixedly connected to the middle part of the flap (901), and both ends of the rotating shaft (902) are rotatably connected to the box wall of the dust removal box (1).

5. The high-efficiency and environmentally friendly dust removal device according to claim 4, characterized in that: The cross arm (904) and the swing arm (903) are both located outside the box wall of the dust removal box (1); the cross arm (904) is hinged to the top ends of the plurality of swing arms (903); and the bottom ends of the plurality of swing arms (903) are respectively fixedly connected to the shaft heads of the rotating shaft (902).

6. The high-efficiency and environmentally friendly dust removal device according to claim 5, characterized in that: A telescopic cylinder (905) is connected above the cross arm (904), and the telescopic cylinder (905) is hingedly mounted on the outer wall of the dust removal box (1).

7. The high-efficiency and environmentally friendly dust removal device according to claim 1, characterized in that: The dust removal box (1) and the clean air box (2), and the dust removal box (1) and the dust exhaust screw cylinder (3) are all connected via bolts.

8. The high-efficiency and environmentally friendly dust removal device according to claim 1, characterized in that: The air outlet (6) is connected to the bottom of the exhaust chimney (8) via a connecting pipe (7), and a fan is installed at the connection between the connecting pipe (7) and the exhaust chimney (8).

9. The high-efficiency and environmentally friendly dust removal device according to claim 1, characterized in that: The top open end of the filter bag (11) is connected to a perforated plate (12), and the perforated plate (12) is fixed to the top inner wall of the dust removal box (1).

10. The high-efficiency and environmentally friendly dust removal device according to claim 1, characterized in that: One end of the pulse tube (13) passes through the wall of the clean air box (2) and is connected to the air source pipe (14) through a curved pipe, on which a pulse valve (15) is installed.

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