CN106492575B - A kind of efficient central dust-removing system - Google Patents

Abstract

The invention discloses a kind of efficient central dust-removing systems, it includes gas gathering mask, ventilating fan, dust cleaning case and outlet wind turbine, and gas gathering mask is connected to dust cleaning case by air inlet pipe, and the upper end of dust cleaning case connects escape pipe, ventilating fan is arranged in air inlet pipe, and outlet wind turbine is arranged on escape pipe.Advantages of the present invention：Gas gathering mask includes board dust gathering arrester and ground dust gathering arrester, effectively collects board flue dust and floor-dust；The side gas collection hole of ground dust gathering arrester is equipped with strainer, avoids sucking bulk pollutant；The cover area of ground dust gathering arrester is big, can effectively cover side gas collection bore region, and dust during dust is avoided to raise up；Ground dust gathering arrester is equipped with idler wheel, flexibly collects ground dust；Dust cleaning case uses bag-type dust, is fixed cloth bag by fixed plate and fixed link, and make its stabilization is in open configuration, can preferably filter dust；Dust cleaning case is equipped with spill spin block, and spill spin block can play buffer action during recoil, avoid back flushing gas that dust is brought into dust cleaning case front end.

Description

A high-efficiency central dust removal system

technical field

The invention relates to a high-efficiency central dust removal system, which belongs to the technical field of environmental protection engineering.

Background technique

The equipment that separates dust from flue gas is called dust removal equipment. The performance of the dust removal equipment is expressed by the amount of gas that can be handled, the resistance loss when the gas passes through the dust removal equipment, and the dust removal efficiency. At the same time, the price of dust removal equipment, operation and maintenance costs, length of service life and difficulty of operation and management are also important factors to consider its performance. Dust removal equipment is a commonly used facility in industrial production. In industrial production, due to the large exhaust volume, most of them adopt central dust removal system, which mainly consists of dust collection system and treatment system. At present, the dust collection system only collects the dust-laden gas on the upper part of the machine, and the most commonly used processing system is bag dust removal. However, the dust removal effect of the currently used bag dust removal device cannot achieve satisfactory results. The main reason is that there is no front end. Processing, resulting in excessive bag dust removal pressure, and the unreasonable design of the bag.

Contents of the invention

The technical problem to be solved by the present invention is to provide a high-efficiency central dust removal system, the design of the pre-stage gas collection system and the follow-up cloth bag of the dust removal system is reasonable, and the dust removal effect is ideal.

The present invention is achieved through the following scheme: a high-efficiency central dust removal system, which includes a gas collection hood, an air inlet fan, a dust removal box and an air outlet fan, the gas collection hood includes a machine dust collection hood and a ground dust collection hood, the There are multiple machine dust collection hoods and the ground dust collection hood, and they are all connected to the dust removal box through the air inlet pipe, the upper end of the dust removal box is connected to the air outlet pipe, and the air intake fan is arranged on the inlet On the air pipe, the air outlet fan is arranged on the air outlet pipe, the machine dust collection cover is fixedly connected to the upper end of the machine table, and the lower end of the ground dust collection cover is provided with rollers that can run on the ground. The upper end of the ground dust collection cover is connected to the air inlet pipe through a hose, and the dust removal box is provided with a pre-dust removal chamber and a bag dust removal chamber, and the pre-dust removal chamber and the bag dust removal chamber are separated by a partition plate. The lower ends of the pre-dust removal chamber and the bag-type dust-removal chamber are equipped with inverted conical dust-collecting hoppers, and the bag-type dust-removal chamber is provided with a dust-removing bag and an activated carbon layer, and the activated-carbon layer is arranged on the upper end of the dust-removing bag. The upper end of the dust-removing bag is fixed by a fixed plate, and the lower end is fixed by a plurality of fixed rods. The left side of the activated carbon layer, the fixed plate and the fixed rods are connected to the fixed baffle, and the right end is connected to the bottom of the dust removal box. On the right side wall, the lower end of the fixed baffle is connected to the movable baffle through a rotating block, and the movable baffle is entirely arranged in the dust collecting hopper, and the backwash pipe is connected between the dust bag and the activated carbon layer position, the movable baffle rotates to the right during dust removal, connecting the pre-dust chamber and the baghouse, the movable baffle rotates to the left during backwashing, and the dust hopper The side walls are connected to separate the pre-dust removal chamber and the bag dust removal chamber.

The pre-dust removal chamber is provided with a front baffle, the upper end of the front baffle is connected to the upper side wall of the dust removal box, and a gas passage is left between the lower end and the bottom of the pre-dust removal chamber.

The lower end of the dust collecting hopper is connected with a dust discharge pipe, and a control valve is arranged on the dust discharge pipe.

The air inlet pipe communicates with the pre-dust removal chamber, and the air outlet pipe communicates with the bag dust removal chamber.

The ground dust collection hood is in the shape of a house as a whole, including a main body block, a cover plate and a joint, the rollers are arranged on the lower end of the main body block, the cover plate is arranged on the main body block, and the upper end of the main body block Connected inside the cover plate, the joint is provided on the cover plate, the joint is connected to the hose.

The cover plate is in the shape of a hollow truncated cone, the main body block is in the shape of a hollow cylinder, the diameter of the lower end of the cover plate is larger than that of the main body block, and the inside of the main body block is an air inlet cavity.

The bottom of the main body block is provided with a bottom air collection hole, and a plurality of side air collection holes are evenly distributed on the side of the main body block, and filter screens are arranged in the side air collection holes.

A dust collecting hopper is arranged at the lower end of the pre-dust removal chamber, and a plurality of dust collecting hoppers are arranged at the lower end of the bag dust removal chamber.

The lower end of the partition plate is connected to the lower side wall of the dust removal box, and the upper end is left with a gas channel connecting the pre-dust removal chamber and the bag dust removal chamber.

The lower end of the dust removal box is provided with a pillar.

The beneficial effects of the present invention are:

1. The gas collecting hood of the high-efficiency central dust removal system of the present invention includes a machine dust collecting hood and a ground dust collecting hood, which can not only effectively collect the smoke and dust of the machine, but also effectively collect the dust on the ground;

2. The ground dust collection cover of the high-efficiency central dust removal system of the present invention can effectively collect ground dust through the bottom air collection hole and the side air collection hole;

3. The side air collecting hole of the ground dust collecting hood of an efficient central dust removal system of the present invention is equipped with a filter screen to avoid inhaling large pieces of pollutants and affecting the operation of subsequent processing equipment;

4. The ground dust collection hood of the high-efficiency central dust removal system of the present invention has a large cover plate, which can effectively cover the side air collection hole area and avoid dust rising during the dust collection process;

5. The ground dust collection cover of an efficient central dust removal system of the present invention is equipped with rollers, and its upper end is connected to a hose, which can rotate around on the ground to collect ground dust flexibly;

6. The dust removal box of a high-efficiency central dust removal system of the present invention adopts a cloth bag for dust removal, and the cloth bag is fixed by a fixing plate and a fixing rod so that it is stably in an open state and can better filter dust;

7. The two blocking functions of the baffle plate and the partition plate at the front end of the dust removal box of a high-efficiency central dust removal system of the present invention can remove some dust with a larger particle size, and the activated carbon layer at the end can absorb pollution with a small particle size objects, to ensure the effect of dust removal;

8. The dust removal box of a high-efficiency central dust removal system of the present invention is equipped with a rotating block, which can play an isolation role during the recoil process and prevent the recoil gas from bringing dust into the front end of the dust removal box.

Description of drawings

Fig. 1 is a structural schematic diagram of a high-efficiency central dust removal system of the present invention.

Fig. 2 is a schematic cross-sectional view of a ground air collecting hood of a high-efficiency central dust removal system of the present invention.

Fig. 3 is a schematic diagram of the structure of the ground air collecting hood of a high-efficiency central dust removal system according to the present invention.

Fig. 4 is a schematic cross-sectional structure diagram of a dust removal box of a high-efficiency central dust removal system of the present invention.

In the figure: 1 is the air intake fan, 2 is the dust removal box, 3 is the air outlet fan, 4 is the machine dust cover, 5 is the ground dust cover, 6 is the air intake pipe, 7 is the air outlet pipe, 8 is the roller, 9 is the Hose, 10 is the pre-dust removal room, 11 is the bag dust removal room, 12 is the partition plate, 13 is the dust collection bucket, 14 is the dust bag, 15 is the activated carbon layer, 16 is the fixed plate, 17 is the fixed rod, 18 is the fixed Baffle, 19 is a rotating block, 20 is a movable baffle, 21 is a backwash pipe, 22 is a front baffle, 23 is a dust discharge pipe, 24 is a control valve, 25 is a main body block, 26 is a cover plate, and 27 is a Joint, 28 is the bottom air collecting hole, and 29 is the side air collecting hole, and 30 is filter screen, and 31 is pillar.

Detailed ways

The present invention will be further described below in conjunction with FIGS. 1-4 , but the protection scope of the present invention is not limited to the content described above.

Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "inner" and "outer "respectively refer to directions toward or away from the geometric center of a specific component, and the drawings are all in a very simplified form and use inaccurate ratios, which are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.

For the sake of clarity, not all features of an actual embodiment are described. In the following description, well-known functions and constructions are not described in detail since they would obscure the invention with unnecessary detail and should be considered in the development of any actual embodiment. , a great deal of implementation detail must be worked out to achieve the developer's specific goals, such as changing from one embodiment to another in accordance with system-related or business-related constraints, and it should also be recognized that such development work may be complex and time-consuming Yes, but just routine work for those skilled in the art.

A high-efficiency central dust removal system, which includes an air collection hood, an air intake fan 1, a dust removal box 2 and an air outlet fan 3, the air collection hood includes a machine dust collection hood 4 and a ground dust collection hood 5, the machine dust collection hood 4 and Ground dust collection cover 5 is provided with a plurality of, and all is connected to dust removal box 2 by air inlet pipe 6, and the upper end of dust removal box 2 is connected air outlet pipe 7, and air intake fan 1 is arranged on the air inlet pipe 6, and air outlet fan 3 is arranged on the outlet pipe 6. On the trachea 7, the machine platform dust collection cover 4 is fixedly connected to the upper end of the machine platform, the lower end of the ground dust collection cover 5 is provided with a roller 8 capable of running on the ground, and the upper end of the ground dust collection cover 5 is connected to the inlet through a hose 9. The air pipe 6 and the dust removal box 2 are provided with a pre-dust removal chamber 10 and a bag dust removal chamber 11, the pre-dust removal chamber 10 and the bag dust removal chamber 11 are separated by a partition plate 12, and the lower ends of the pre-dust removal chamber 10 and the bag dust removal chamber 11 are provided with Inverted conical dust collection hopper 13, bag dust removal chamber 11 is provided with dust removal bag 14 and activated carbon layer 15, activated carbon layer 15 is arranged on the upper end of dust removal bag 14, the upper end of dust removal bag 14 is fixed by fixing plate 16, and the lower end is passed through a plurality of Fixed rod 17 is fixed, and the left side of activated carbon layer 15, fixed plate 16 and fixed rod 17 is connected on the fixed baffle 18, and the right end is connected to the right side wall of dust removal box 2, and the lower end of fixed baffle 18 is connected movable by rotating block 19 The baffle 20 and the movable baffle 20 are entirely arranged in the dust collecting hopper 13. The backwash pipe 21 is connected to the position between the dust bag 14 and the activated carbon layer 15. The movable baffle 20 turns to the right during dust removal to communicate with the pre-dust collector. Chamber 10 and baghouse 11, movable baffle 20 rotates to the left during backwashing, and is connected with the side wall of dust hopper 13 to separate pre-dust chamber 10 and baghouse 11.

The pre-dust removal chamber 10 is provided with a front baffle 22 , the upper end of the front baffle 22 is connected to the upper side wall of the dust removal box 2 , and the lower end and the bottom of the pre-dust removal chamber 10 have a gas channel.

The lower end of the dust collecting bucket 13 is connected with a dust discharge pipe 23, and the dust discharge pipe 23 is provided with a control valve 24.

The air inlet pipe 6 communicates with the pre-dust removal chamber 10 , and the air outlet pipe 7 communicates with the bag dust removal chamber 11 .

The ground dust collection cover 5 is in the shape of a house as a whole, comprising a main body block 25, a cover plate 26 and a joint 27, the roller 8 is arranged on the lower end of the main body block 25, the cover plate 26 is arranged on the main body block 25, and the upper end of the main body block 25 is connected to the cover Inside the plate 26 , a joint 27 is provided on the cover plate 26 , the joint 27 being connected to the hose 9 .

Cover plate 26 is hollow conical shape, and main body block 25 is hollow cylindrical shape, and the diameter of cover plate 26 lower end is greater than the diameter of main body block 25, and the inside of main body block 25 is air inlet cavity.

The bottom of the main body block 25 is provided with a bottom air collection hole 28 , and a plurality of side air collection holes 29 are evenly distributed on the side of the main body block 25 , and a filter screen 30 is arranged in the side air collection holes 29 .

The lower end of the pre-dust removal chamber 10 is provided with a dust collection bucket 13 , and the lower end of the baghouse 11 is provided with a plurality of dust collection buckets 13 .

The lower end of the partition plate 12 is connected to the lower side wall of the dust removal box 2, and the upper end is left with a gas channel connecting the pre-dust removal chamber 10 and the bag dust removal chamber 11.

The lower end of the dust box 2 is provided with a pillar 31 .

When in use, the air intake fan 1 is turned on, the machine dust collection cover 4 and the ground dust collection cover 5 collect the dust gas, enter the pre-dust removal chamber 10 through the air intake pipe 6, pass through the front baffle 22 and the partition plate 12, and the large particles The dust with the largest diameter is blocked from entering the dust collecting hopper 13, and the small particles blow open the movable baffle 20 with the gas and enter the baghouse 11. After being purified by the dust bag 14 and the activated carbon layer 15, they are discharged from the outlet pipe 7.

When it is necessary to clean the dust bag 14, clean air is introduced through the backwash pipe 21 to clean the dust bag 14, and the dust enters the dust bucket 13. At this time, under the action of the air flow, the movable baffle 20 rotates to the left, and The side walls of the dust hopper 13 are connected to separate the pre-dust removal chamber 10 and the bag dust removal chamber 11, so that dust can not be brought into the front end of the dust removal box.

Although the technical solutions of the present invention have been elaborated and listed in detail, it should be understood that for those skilled in the art, it is necessary for those skilled in the art to make modifications to the above-mentioned embodiments or adopt equivalent alternatives. Obviously, the modifications or improvements made on the basis of not departing from the spirit of the present invention all belong to the protection scope of the present invention.

Claims (10)

1. A high-efficiency central dust removal system, characterized in that it includes an air collection hood, an air inlet fan (1), a dust removal box (2) and an air outlet fan (3), and the air collection hood includes a machine dust collection hood ( 4) and the ground dust collection cover (5), the machine dust collection cover (4) and the ground dust collection cover (5) are equipped with multiple, and are connected to the dust collection cover through the air inlet pipe (6) box (2), the upper end of the dust removal box (2) is connected to the air outlet pipe (7), the air intake fan (1) is arranged on the air inlet pipe (6), and the air outlet fan (3) is arranged on the On the air outlet pipe (7), the machine dust collection cover (4) is fixedly connected to the upper end of the machine table, and the lower end of the ground dust collection cover (5) is provided with a roller (8) that can run on the ground, The upper end of the ground dust collection cover (5) is connected to the air inlet pipe (6) through a hose (9), and the dust removal box (2) is provided with a pre-dust removal chamber (10) and a bag dust removal chamber (11) , the pre-dust removal chamber (10) and the bag-type dust removal chamber (11) are separated by a partition plate (12), and the lower ends of the pre-dust removal chamber (10) and the bag-type dust removal chamber (11) are equipped with Inverted cone-shaped dust collection hopper (13), the bag dust removal chamber (11) is equipped with a dust removal bag (14) and an activated carbon layer (15), and the activated carbon layer (15) is arranged on the dust removal bag (14) The upper end of the dust bag (14) is fixed by a fixed plate (16), the lower end is fixed by a plurality of fixed rods (17), the activated carbon layer (15), the fixed plate (16) and the fixed The left side of the rod (17) is connected to the fixed baffle (18), the right end is connected to the right side wall of the dust removal box (2), and the lower end of the fixed baffle (18) is connected to the movable block (19) The baffle (20), the movable baffle (20) is entirely set in the dust collecting hopper (13), and the backwash pipe (21) is connected to the dust bag (14) and the activated carbon layer (15) position between, the movable baffle (20) rotates to the right during dust removal, and communicates with the pre-dust removal chamber (10) and the baghouse (11), and the movable baffle (20) When flushing, turn to the left and connect with the side wall of the dust collecting hopper (13), separating the pre-dust removal chamber (10) and the bag dust removal chamber (11). 2. A high-efficiency central dust removal system according to claim 1, characterized in that: the pre-dust removal chamber (10) is provided with a front baffle (22), and the upper end of the front baffle (22) is connected to A gas channel is left on the upper side wall of the dust removal box (2), the lower end and the bottom of the pre-dust removal chamber (10). 3. A high-efficiency central dust removal system according to claim 1, characterized in that: the lower end of the dust collecting bucket (13) is connected to a dust discharge pipe (23), and the dust discharge pipe (23) is provided with control valve (24). 4. A high-efficiency central dust removal system according to claim 1, characterized in that: the air inlet pipe (6) communicates with the pre-dust removal chamber (10), and the air outlet pipe (7) communicates with the cloth bag The dust removal chamber (11) is connected. 5. A high-efficiency central dust removal system according to claim 1, characterized in that: the ground dust collection cover (5) is in the shape of a house as a whole, including a main body block (25), a cover plate (26) and a joint ( 27), the roller (8) is set on the lower end of the main body block (25), the cover plate (26) is set on the main body block (25), and the upper end of the main body block (25) is connected to Inside the cover plate (26), the joint (27) is arranged on the cover plate (26), and the joint (27) is connected to the hose (9). 6. A high-efficiency central dust removal system according to claim 5, characterized in that: the cover plate (26) is in the shape of a hollow truncated cone, the main body block (25) is in the shape of a hollow cylinder, and the cover plate (26) The diameter of the lower end is larger than the diameter of the main body block (25), and the inside of the main body block (25) is an air inlet cavity. 7. A high-efficiency central dust removal system according to claim 5, characterized in that: the bottom of the main body block (25) is provided with a bottom air collection hole (28), and the side of the main body block (25) is uniform A plurality of side air collecting holes (29) are distributed, and filter screens (30) are arranged in the side air collecting holes (29). 8. A high-efficiency central dust removal system according to claim 1, characterized in that: a dust collecting bucket (13) is provided at the lower end of the pre-dust removal chamber (10), and the bag dust removal chamber (11) The lower end is provided with a plurality of dust collecting buckets (13). 9. A high-efficiency central dust removal system according to claim 1, characterized in that: the lower end of the partition plate (12) is connected to the lower side wall of the dust removal box (2), and there is a communication place at the upper end The gas passages of the pre-cleaning room (10) and the baghouse (11) are described above. 10. The high-efficiency central dust removal system according to claim 1, characterized in that: the lower end of the dust removal box (2) is provided with a pillar (31).