CN210023181U - Central dust suction device - Google Patents

Abstract

The utility model belongs to the technical field of dust absorption environmental protection, in particular to a central dust collection device, which comprises a second dust storage bin, wherein an air duct chamber is arranged above the second dust storage bin, a plurality of cloth-bag air ducts are arranged in the air duct chamber, the cloth-bag air ducts are communicated through a communication chamber above the cloth-bag air ducts, and the lower part of the cloth-bag air duct is communicated with the second dust storage bin; the second dust storage bin is communicated with a dust suction pipe, and the dust suction pipe is provided with a plurality of dust suction ports distributed in different areas; the air duct chamber is communicated with an air suction opening of the high-pressure fan. The utility model discloses a device can clear up different workshop areas, has realized central dust absorption, saves workshop space. The air flow flowing mode of the cloth bag air pipe is from inside to outside instead of the traditional flowing mode from outside to inside, so that a steel structure framework is prevented from being arranged inside the cloth bag air pipe, the production and manufacturing cost of equipment is reduced, and the whole weight of the equipment is reduced. Avoid setting up the blowback device, the structure is simplified greatly, manufacturing cost greatly reduced.

Description

Central dust suction device

Technical Field

The utility model relates to a central authorities' dust extraction belongs to dust absorption environmental protection technical field.

Background

Dust pollution is serious in a plurality of factory workshops, dust collecting equipment such as dust collecting vehicles cannot be used due to the limitation of workshop structures and equipment in the workshops, and the dust collecting vehicles are large in size and inflexible to use in the workshops and cannot clean dust in corner places and narrow areas, so that the areas can only be cleaned manually, manpower is wasted, the labor intensity of workers is increased, the physical health of the workers is harmed, the cleaning efficiency is low, and the cleaning effect is not ideal. In the existing central dust collection equipment, negative pressure exists in a cloth bag air duct during dust collection, the inside of the cloth bag air duct needs to be supported by a metal bracket, negative pressure exists in the cloth bag air duct, the pipe wall is in a contraction state, the surface area is reduced, dust is more easily gathered and attached to the pipe wall and is difficult to drop, and the speed and probability of pipe wall blockage are increased, so that the cloth bag pipe wall blockage is avoided through back blowing in the use process, and a back blowing device comprises an air pump, various valves and an electric control system, so that the production cost is inevitably increased greatly; and the bag air pipe is contracted and expanded in the dust absorption-back blowing process, so that the service life of the bag air pipe is shortened, the failure rate is increased, and the use cost and the maintenance cost are increased.

SUMMERY OF THE UTILITY MODEL

According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: provides a central dust suction device, which overturns the traditional dust suction mode to solve the problems.

The central dust collection device comprises a second dust storage bin, an air duct chamber is arranged above the second dust storage bin, a plurality of cloth-bag air ducts are arranged in the air duct chamber, the cloth-bag air ducts are communicated with each other through a communication chamber above the cloth-bag air ducts, and the lower part of each cloth-bag air duct is communicated with the second dust storage bin; the second dust storage bin is communicated with a dust suction pipe, and the dust suction pipe is provided with a plurality of dust suction ports distributed in different areas; the air duct chamber is communicated with an air suction opening of the high-pressure fan.

The air duct chamber is of a closed structure, the high-pressure fan can pump the air duct chamber into a negative pressure state (at the moment, the pressure in the air duct chamber is smaller than the pressure in the air duct chamber), air flow in the air duct of the cloth bag flows into the air duct chamber through the duct wall of the air duct of the cloth bag, and reaches the high-pressure fan. Because the air current in the cloth bag air pipe flows into the air pipe chamber, a negative pressure state is formed in the cloth bag air pipe, the air current carrying the dust is sucked from dust suction ports distributed in different areas, the air current enters the cloth bag air pipe through the dust suction pipe, the dust falls into the second dust storage bin after being filtered by the cloth bag air pipe, and the air current is diffused from the cloth bag air pipe, passes through the air pipe chamber and reaches the high pressure fan to be discharged.

The bag air pipes are divided into a head end bag air pipe, a middle bag air pipe and a tail end bag air pipe, a partition plate is arranged between the middle bag air pipe and the tail end bag air pipe in the communicating chamber, and the bottom of the head end bag air pipe is communicated with the dust collection pipe. The air flow carrying dust enters from the lower part of the head end cloth bag air pipe, reaches the middle cloth bag air pipe through the upper communicating chamber, flows out from the lower part of the middle cloth bag air pipe, and reaches the tail end cloth bag air pipe through the second dust storage bin. The dusty air current goes upward earlier, and the back is down, goes upward again, because most dust is brought into in the second dust storage storehouse by the air current that flows, only few part dust is on filtering sack tuber pipe inner wall when the dusty air current looses from the sack tuber pipe, therefore sack tuber pipe inner wall hang dirt rate greatly reduced, need not often change the sack tuber pipe, the life of sack tuber pipe prolongs greatly, sparingly use cost.

A first dust storage bin is arranged between the second dust storage bin and the dust collection pipe, so that particles with heavier mass fall into the bottom of the first dust storage bin, and dust with lighter mass enters the cloth bag air pipe.

The first dust storage bin can be a cyclone separator and is particularly suitable for workshops with coarse dust particles and high dust concentration.

The bottom of the first dust storage bin and the bottom of the second dust storage bin are provided with bottom covers, and when the first dust storage bin or the second dust storage bin is filled with particles or dust, the bottom covers are opened to clean.

The filter screen is arranged between the air inlet of the air duct chamber and the air inlet of the high-pressure fan, so that a small amount of dust possibly existing in the air duct chamber is prevented from entering the high-pressure fan, the fault rate of the high-pressure fan is reduced, and the service life of the high-pressure fan is prolonged.

The dust collection ports are provided with switch valves for controlling the opening and closing states of the dust collection ports distributed in different areas.

The side face of the air pipe chamber is provided with a sealing door, the sealing door can be opened after the equipment is shut down, and dust attached to the wall of the cloth bag air pipe is shaken off by shaking the cloth bag air pipe.

The cloth bag air pipe is provided with a vibration device, and attached dust is shaken off by the vibration device in the using process or after the machine is shut down.

The bottom of the second dust storage bin is provided with a caster wheel, so that the second dust storage bin is convenient to move.

The high pressure positive blower can have hot protector, and after dust absorption mouth or sack tuber pipe blockked up, because the air current does not circulate and flows, the air outlet temperature of high pressure positive blower becomes high, and after the temperature reached the setting value, high pressure positive blower shut down, avoids overheated damage.

Compared with the prior art, the utility model beneficial effect who has is:

central authorities 'dust extraction, structural design is reasonable, each workshop of clearance that can be convenient fast and corner place, narrow regional dust granule, it is great to have solved traditional dust absorption car volume, uses the inflexibility in the workshop, is difficult to clear up different workshop regions through a device in the drawback of workshop and narrow regional operation, has realized central authorities' dust absorption, saves the workshop space.

The bag air pipe used as the filtering device does not need to be frequently replaced, the service life of the bag air pipe is greatly prolonged, and the use cost is reduced.

The air flow flowing mode of the cloth bag air pipe is from inside to outside instead of the traditional flowing mode from outside to inside, so that a steel structure framework is prevented from being arranged inside the cloth bag air pipe, the production and manufacturing cost of equipment is reduced, and the whole weight of the equipment is reduced.

Avoid setting up the blowback device, the structure is simplified greatly, manufacturing cost greatly reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a caster wheel; 2. a second dust storage bin; 3. an air duct chamber; 4. a tail end cloth bag air pipe; 5. a partition plate; 6. a middle cloth bag air pipe; 7. a communicating chamber; 8. a head end cloth bag air pipe; 9. filtering with a screen; 10. a high pressure fan; 11. a dust collection pipe; 12. an on-off valve; 13. a dust suction port; 14. a bottom cover; 15. a first dust storage bin; 16. a vibrating device; 17. a cylinder; 18. and (4) sealing the door.

Detailed Description

The invention will be further described with reference to the following examples:

as shown in fig. 1, central authorities' dust extraction, including first dust storage storehouse 15 and second dust storage storehouse 2, second dust storage storehouse 2 top sets up tuber pipe room 3, be equipped with a plurality of sack tuber pipes in the tuber pipe room 3, the sack tuber pipe is linked together through the intercommunication room 7 of top, the sack tuber pipe divide into head end sack tuber pipe 8, middle sack tuber pipe 6 and terminal sack tuber pipe 4, in intercommunication room 7, be equipped with baffle 5 between middle sack tuber pipe 6 and the terminal sack tuber pipe 4, head end sack tuber pipe 8 bottom is linked together with first dust storage storehouse 15, first dust storage storehouse 15 is linked together with dust absorption pipe 11, middle sack tuber pipe 6 and terminal sack tuber pipe 4 below are linked together with second dust storage storehouse 2. The dust suction pipe 11 is provided with a plurality of dust suction ports 13 distributed in different areas, and the air pipe chamber 3 is communicated with an air suction port of the high pressure fan 10.

The first dust storage bin 15 can be a cyclone separator, and is particularly suitable for workshops with coarse dust particles and high dust concentration.

The bottom covers 14 are arranged at the bottom of the first dust storage bin 15 and the bottom of the second dust storage bin 2, and when the first dust storage bin 15 or the second dust storage bin 2 is full of particles or dust, the bottom covers 14 are opened for cleaning.

A filter screen 9 is arranged between the air duct chamber 3 and the air suction opening of the high pressure fan 10, so that a small amount of dust possibly stored in the air duct chamber 3 is prevented from entering the high pressure fan 10.

The dust collection port 13 is provided with a switch valve 12 for controlling the opening and closing states of the dust collection ports 13 distributed in different areas, so that the dust collection device is convenient to use in different workshops.

The side of the air duct chamber 3 is provided with a sealing door 18, and sealing rubber strips are arranged around the sealing door 18 to ensure the sealing property. After the equipment is shut down, the sealing door 18 can be opened, and the cloth bag air pipe is shaken to shake off dust attached to the pipe wall of the cloth bag air pipe.

The cloth bag air pipe is provided with a vibration device 16, and the vibration device 16 can be driven by a cylinder 17 or a motor and a crank mechanism to complete front and back vibration.

The bottom of the first dust storage bin 15 and the bottom of the second dust storage bin 2 are provided with casters 1 which are convenient to move.

The high pressure positive blower 10 can have a thermal protection device, after the dust absorption port 13 or the sack tuber pipe blocks up, because the air current does not circulate and flows, the air outlet temperature of high pressure positive blower 10 becomes high, and after the temperature reached the setting value, high pressure positive blower 10 shut down, avoids overheated damage.

The dust-carrying airflow is sucked by dust suction ports 13 distributed in different areas, reaches a first dust storage bin 15 through a dust suction pipe 11, so that heavier particulate matters fall into the bottom of the first dust storage bin 15, and lighter dust enters from the bottom of a head end cloth bag air pipe 8, reaches a middle cloth bag air pipe 6 through a communication chamber 7 above, flows out from the lower part of the middle cloth bag air pipe 6, and reaches a tail end cloth bag air pipe 4 through a second dust storage bin 2. The dirty air current that gets into the sack tuber pipe goes upward earlier, and the back is down, goes upward again, because most dust is brought into in the second dust storage bin 2 by the air current that flows, only few part dust is on filtering sack tuber pipe inner wall when the dirty air of taking off from the sack tuber pipe, therefore the hang dirt rate greatly reduced of sack tuber pipe inner wall, need not often change the sack tuber pipe, the life of sack tuber pipe prolongs greatly, sparingly use cost. The clean air flow is diffused from the cloth bag air pipe, passes through the air pipe chamber 3 and reaches the high pressure fan 10 to be discharged. In the dust collection process, the air pipe of the cloth bag is in an expansion state, the surface area is increased, dust attached to the pipe wall can be looser and easily falls off, and the dust hanging rate and the blocking speed are reduced. And the dust attached to the wall of the air pipe of the cloth bag can be shaken off through the sealing door 18 and the vibrating device 16, so that the dust hanging rate is further reduced, and the high efficiency and reliability of the equipment are ensured.

The utility model discloses each workshop of clearance that can be convenient fast and the local, the narrow regional dust granule of corner, it is great to have solved traditional dust absorption car volume, uses the dumb in the workshop, is difficult to the drawback at workshop and narrow regional operation. Different workshop areas can be cleaned through one device, central dust collection is realized, and workshop space is saved.

Claims (10)

1. A central dust extraction which characterized in that: the dust collector comprises a second dust storage bin (2), wherein an air pipe chamber (3) is arranged above the second dust storage bin (2), a plurality of cloth bag air pipes are arranged in the air pipe chamber (3), the cloth bag air pipes are communicated through a communication chamber (7) above the cloth bag air pipes, and the lower parts of the cloth bag air pipes are communicated with the second dust storage bin (2); the second dust storage bin (2) is communicated with a dust suction pipe (11), and the dust suction pipe (11) is provided with a plurality of dust suction ports (13) distributed in different areas; the air duct chamber (3) is communicated with an air suction opening of the high-pressure fan (10).

2. The central cleaning apparatus according to claim 1, wherein: the bag air pipes are divided into a head end bag air pipe (8), a middle bag air pipe (6) and a tail end bag air pipe (4), a partition plate (5) is arranged between the middle bag air pipe (6) and the tail end bag air pipe (4) in the communicating chamber (7), and the bottom of the head end bag air pipe (8) is communicated with the dust collection pipe (11).

3. The central cleaning apparatus according to claim 1, wherein: a first dust storage bin (15) is arranged between the second dust storage bin (2) and the dust suction pipe (11).

4. The central cleaning apparatus according to claim 3, wherein: the first dust storage bin (15) can be a cyclone separator.

5. The central cleaning apparatus according to claim 3, wherein: bottom covers (14) are arranged at the bottoms of the first dust storage bin (15) and the second dust storage bin (2).

6. The central cleaning apparatus according to claim 1, wherein: a filter screen (9) is arranged between the air pipe chamber (3) and the air suction opening of the high pressure fan (10).

7. The central cleaning apparatus according to claim 1, wherein: the dust collection opening (13) is provided with a switch valve (12).

8. The central cleaning apparatus according to claim 1, wherein: and a sealing door (18) is arranged on the side surface of the air duct chamber (3).

9. The central cleaning apparatus according to claim 1, wherein: the cloth bag air pipe is provided with a vibration device (16).

10. The central cleaning apparatus according to claim 1, wherein: the bottom of the second dust storage bin (2) is provided with a caster (1).

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