CN215142112U - Drum-type negative pressure winnowing machine with dust removal function - Google Patents
Drum-type negative pressure winnowing machine with dust removal function Download PDFInfo
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- CN215142112U CN215142112U CN202121442145.9U CN202121442145U CN215142112U CN 215142112 U CN215142112 U CN 215142112U CN 202121442145 U CN202121442145 U CN 202121442145U CN 215142112 U CN215142112 U CN 215142112U
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Abstract
The utility model discloses a drum-type negative pressure winnowing machine with a dust removal function, which comprises a feeding device, wherein the feeding device is connected with a spread material conveying belt machine; the rotary drum is arranged in front of the conveying direction of the spreading material conveying belt machine, a heavy material discharging gap is arranged between the rotary drum and a head drum of the spreading material conveying belt machine, the width of the heavy material discharging gap is adjustable, and the rotary drum and the head drum of the spreading material conveying belt machine rotate in the same direction; a blowing system comprising a nozzle system disposed at a rear oblique lower side of the heavy material discharge gap, the blowing direction of the nozzle system blowing from the heavy material discharge gap to a front oblique upper side in conformity with the rotation direction of the rotary drum. The utility model discloses simple structure selects separately effectually, selects separately efficiently, and energy-concerving and environment-protective does not have secondary pollution.
Description
Technical Field
The utility model relates to a building rubbish or fitment rubbish sorting unit field specifically are that an equipment matching degree is high, and the flow is retrencied, selects separately effectual drum-type negative pressure air separator with dust removal function.
Background
China is in the development period of economic construction, and hundreds of millions of construction wastes are inevitably generated each year by a large amount of construction, removal and transformation projects. According to the publication of the administrative research center of the department of civil engineering, 200 hundred million square meters of old buildings are dismantled in China before 2030 years. Most of the old buildings are brick-concrete structure buildings constructed before the 90's of the last century, and a small number of the old buildings are concrete structure buildings. Namely, most of the construction waste discharged in the future 20 years of China is brick-concrete structure construction waste formed by sintered bricks and concrete. The brick-concrete structure building rubbish in China is characterized in that a large number of small steel bars are provided, a large number of combustible substances such as wood blocks, fabrics and plastic products are provided, the steel bars can be removed through magnetic separation equipment, and the remaining combustible substances can be removed through winnowing equipment. The traditional winnowing equipment has low efficiency, poor separation effect and high energy consumption; imported winnowing equipment is expensive, maintenance cost is high, and recycling cost of construction waste resources is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a drum-type negative pressure air separator with dust removal function of novel structure to solve traditional winnowing equipment inefficiency, select separately the not good problem of effect.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drum-type negative pressure air separator with dust removal function, includes:
the feeding device is connected with the spreading and conveying belt conveyor;
the rotary drum is arranged in front of the conveying direction of the spreading material conveying belt machine, a heavy material discharging gap is arranged between the rotary drum and a head drum of the spreading material conveying belt machine, the width of the heavy material discharging gap is adjustable, and the rotary drum and the head drum of the spreading material conveying belt machine rotate in the same direction;
a blowing system comprising a nozzle system disposed at a rear oblique lower side of the heavy material discharge gap, the blowing direction of the nozzle system blowing from the heavy material discharge gap to a front oblique upper side in conformity with the rotation direction of the rotary drum.
Preferably, the height of the uppermost edge of the rotary roller is not higher than that of the uppermost edge of the head roller of the spreading conveyor.
Preferably, the device comprises a return air device, wherein the return air device comprises a return air pipe, and one end of the return air pipe is arranged in front of the rotary drum and used for collecting return air blown by light substances.
Preferably, the air return device further comprises a cyclone, the other end of the front section of the air return pipe is connected with an air inlet of the cyclone, the cyclone further comprises an air outlet and a discharge port, and the discharge port is provided with a star discharger, has an air locking function and can discharge materials.
Preferably, the blowing system comprises a blower, the blower is connected with the nozzle system through an air inlet pipe, an anti-blocking structure and a foreign matter discharge port are designed on the air inlet pipe, and a suction port is arranged on the side surface of the air inlet pipe.
Preferably, the air outlet of the cyclone cylinder is communicated with the air inlet channel of the blower system through the rear section of the air return pipe.
Preferably, a settling chamber is arranged in front of the rotation of the rotary drum, and a light material conveying device is arranged at the bottom of the settling chamber and used for collecting and conveying light materials to the collecting box.
Preferably, the settling chamber is provided with a dust cover to prevent dust from flying out of the settling chamber; the head roller of the spreading and conveying belt conveyor and the rotary roller are also provided with a protective head cover in a matching way, and a blanking hopper is arranged below the heavy material discharging gap.
Preferably, the support body comprises a first support body and a second support body, the feeding device, the material spreading belt conveyor, the rotary drum and the nozzle system are respectively arranged on the first support body, and the settling chamber and the light material conveying device are arranged on the second support body.
Preferably, the spreading and conveying belt conveyor is driven by a variable frequency motor, and the conveying speed of the conveyor is adjusted through frequency conversion; the rotary drum is driven by a variable frequency motor, and the rotating speed of the rotary drum is adjusted through frequency conversion.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses simple structure selects separately effectually, selects separately efficiently, and energy-concerving and environment-protective does not have secondary pollution.
2. The utility model discloses a modular design, feed arrangement, stand material belt conveyor, protection hood, lower hopper, rotary drum, adjustable nozzle system are a module, and deposit room, light material conveyor are a module, convenient transportation and field assembly.
3. The utility model discloses a whirlwind section of thick bamboo module purifies the circulated air.
4. The distance between the head roller and the rotary roller of the spreading and conveying belt conveyor is adjustable, and the flight track of the material is optimized.
Drawings
FIG. 1 is a schematic structural diagram of the present embodiment;
FIG. 2 is a schematic diagram of the operation of the present embodiment;
in the figure: 1-feeding device, 2-spreading conveyor belt, 3-protective hood, 4-blanking hopper, 5-rotary drum, 6-settling chamber, 7-cyclone, 8-return air pipe, 9-high pressure fan, 10-air inlet pipe, 11-nozzle system, 12-frame body and 13-light material conveying device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, a drum type negative pressure winnowing machine with dust removing function comprises: the feeding device 1 is connected with the spreading and conveying belt conveyor 2; the feeding device 1 is provided with the material distribution device, so that materials can be spread on the material spreading and conveying belt conveyor 2, and the winnowing efficiency is improved. The rotary drum 5 is arranged in front of the conveying direction of the material spreading and conveying belt conveyor 2, a heavy material discharging gap is formed between the rotary drum 5 and a head roller of the material spreading and conveying belt conveyor 2, the width of the heavy material discharging gap is adjustable, and the flying track of the material is optimized. The rotary roller 5 and the head roller of the spreading material conveyor belt 2 rotate in the same direction, and the height of the uppermost edge of the rotary roller 5 is not higher than that of the uppermost edge of the head roller of the spreading material conveyor belt 2. The driving mode of the material spreading belt conveyor 2 and the rotary drum 5 is driven by a variable frequency motor, the speed of the material spreading belt conveyor 2 is adjustable from 0.8-2.5m/s, the treatment capacity and the spreading effect of a winnowing machine are guaranteed, the sorting effect and efficiency are improved, the rotating speed of the rotary drum 5 is adjusted through frequency conversion, light materials attached to the rotary drum 5 are better brought into a settling chamber 6, a protective hood 3 is also matched with the rotary drum 5 and arranged on a head roller of the material spreading belt conveyor 2, and a discharging hopper 4 is arranged below a discharge gap of the heavy materials. The rotary drum 5 is provided with a settling chamber 6 in front of the rotation, and the bottom of the settling chamber 6 is provided with a light material conveying device 13 for collecting and conveying light materials to a collecting box. The settling chamber 6 is provided with a dust cover to prevent the dust from flying out of the settling chamber. And the blowing system comprises a nozzle system 11, the nozzle system 11 is arranged at the rear oblique lower side of the heavy material discharging gap, and the blowing direction of the nozzle system 11 is blown from the heavy material discharging gap to the front oblique upper side in accordance with the rotating direction of the rotary drum 5. The nozzle angle of the nozzle system 11 is adjustable in three dimensions, so that the air flow can be accurately controlled, and the stability of the air flow and the wind power is ensured. The blowing system comprises a high-pressure fan 9 and an air inlet pipe 10, the high-pressure fan 9 blows air to the nozzle system 11 through the air inlet pipe 10, and an air suction opening is designed in the side face of the air inlet pipe 10, so that a certain negative pressure is formed in the whole system, and dust is prevented from overflowing. The high-pressure fan 9 is driven by a variable frequency motor, and the air quantity, the air speed and the air pressure are adjustable. The air return device comprises an air return pipe 8, one end of the air return pipe 8 is arranged in front of the rotary drum 5 and used for collecting return air blown by light substances; the air return device further comprises a cyclone cylinder 7, the other end of the air return pipe 8 is connected with an air inlet of the cyclone cylinder 7, the cyclone cylinder 7 further comprises an air outlet and a discharge hole, and the air outlet of the cyclone cylinder 7 is communicated with an air inlet channel of the air blowing system.
In other embodiments, the frame 12 comprises a modular frame 12, the frame 12 comprises a first frame and a second frame, the first frame is provided with the feeding device 1, the spreading belt conveyor 2, the rotary drum 5 and the nozzle system 11, and the second frame is provided with the settling chamber 6 and the light material conveying device 13, so as to facilitate transportation and field assembly.
The working principle diagram is as shown in fig. 2, the mixture of construction waste is broken up through the feeding device 1 during the work, the broken up material is conveyed through the spreading conveyor belt 2, the speed of the spreading conveyor belt 2 is adjusted through a frequency converter, the conveying capacity of the belt conveyor and the spreading effect of the material on the belt conveyor are guaranteed, when the spread material is separated from the head roller of the spreading conveyor belt 2, heavy materials fall freely, fabric, plastic, paper scraps, rubber and other light materials are blown to a farther settling chamber 6 due to the high pressure air of the nozzle system 11, wood blocks with larger sizes are blown to the middle rotary roller 5, and due to the effect of the high pressure air, the wood can be attached to the rotary roller 5, so that the wood is brought into the settling chamber 6 by the rotation of the rotary roller 5. The air enters the settling chamber and the flow rate is reduced, the light materials settle on a light material conveying device 13 arranged at the bottom of the settling chamber 6 and are conveyed into a collecting box, and the light materials are separated. The high pressure fan 9 blows air to the nozzle system 11 through the air inlet pipe 10, then circulates through the air return pipe 8, and an air suction opening is designed on the side surface of the air inlet pipe 10, so that a certain negative pressure is formed in the whole system, and dust is prevented from overflowing. Before entering the return air duct 10, the circulating air firstly enters the cyclone 7, floccules and dust particles contained in the circulating air are separated from the air through the centrifugal force of the cyclone 7, the cleanliness of the circulating air is ensured, the air duct system and the high-pressure fan 9 are prevented from being worn and damaged too early, and the service life of the equipment is prolonged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a drum-type negative pressure air separator with dust removal function which characterized in that: the method comprises the following steps:
the feeding device is connected with the spreading and conveying belt conveyor;
the rotary drum is arranged in front of the conveying direction of the spreading material conveying belt machine, a heavy material discharging gap is arranged between the rotary drum and a head drum of the spreading material conveying belt machine, the width of the heavy material discharging gap is adjustable, and the rotary drum and the head drum of the spreading material conveying belt machine rotate in the same direction;
a blowing system comprising a nozzle system disposed at a rear oblique lower side of the heavy material discharge gap, the blowing direction of the nozzle system blowing from the heavy material discharge gap to a front oblique upper side in conformity with the rotation direction of the rotary drum.
2. The drum-type negative pressure winnowing machine with dust removal function of claim 1, characterized in that: the height of the uppermost edge of the rotary roller is not higher than that of the uppermost edge of the head roller of the spreading conveyor.
3. The drum-type negative pressure winnowing machine with dust removal function of claim 1, characterized in that: the device comprises an air return device, wherein the air return device comprises an air return pipe, one end of the front section of the air return pipe is arranged in front of the rotary roller and used for collecting return air blown by light materials.
4. The drum-type negative pressure winnowing machine with dust removal function of claim 3, characterized in that: the air return device further comprises a cyclone, the other end of the front section of the air return pipe is connected with an air inlet of the cyclone, the cyclone further comprises an air outlet and a discharge port, and a star-shaped discharger is mounted at the discharge port, has an air locking function, and can discharge materials.
5. The drum-type negative pressure winnowing machine with dust removal function of claim 1, characterized in that: the air blowing system comprises an air blower, the air blower is connected with the nozzle system through an air inlet pipe, an anti-blocking structure and a foreign matter discharge port are designed on the air inlet pipe, and an air suction port is arranged on the side face of the air inlet pipe.
6. The drum-type negative pressure winnowing machine with dust removal function of claim 4, characterized in that: the air outlet of the cyclone cylinder is communicated with the air inlet channel of the air blowing system through the rear section of the air return pipe.
7. The drum-type negative pressure winnowing machine with dust removal function of claim 1, characterized in that: a settling chamber is arranged in front of the rotation of the rotary drum, and a light material conveying device is arranged at the bottom of the settling chamber and used for collecting and conveying light materials to a collecting box.
8. The drum-type negative pressure winnowing machine with dust removal function of claim 7, characterized in that: the settling chamber is provided with a dust cover to prevent dust from flying out of the settling chamber; the head roller of the spreading and conveying belt conveyor and the rotary roller are also provided with a protective head cover in a matching way, and a blanking hopper is arranged below the heavy material discharging gap.
9. The drum-type negative pressure winnowing machine with dust removal function of claim 7, characterized in that: the frame body comprises a first frame body and a second frame body, the feeding device, the material spreading belt conveyor, the rotary drum and the nozzle system are arranged on the first frame body respectively, and the settling chamber and the light material conveying device are arranged on the second frame body.
10. The drum-type negative pressure winnowing machine with dust removal function of claim 1, characterized in that: the spread material conveying belt conveyor is driven by a variable frequency motor, and the conveying speed of the conveyor is adjusted through frequency conversion; the rotary drum is driven by a variable frequency motor, and the rotating speed of the rotary drum is adjusted through frequency conversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121442145.9U CN215142112U (en) | 2021-06-28 | 2021-06-28 | Drum-type negative pressure winnowing machine with dust removal function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121442145.9U CN215142112U (en) | 2021-06-28 | 2021-06-28 | Drum-type negative pressure winnowing machine with dust removal function |
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| CN215142112U true CN215142112U (en) | 2021-12-14 |
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| CN202121442145.9U Active CN215142112U (en) | 2021-06-28 | 2021-06-28 | Drum-type negative pressure winnowing machine with dust removal function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273221A (en) * | 2021-12-27 | 2022-04-05 | 瑞泰环保装备有限公司 | Dispersing type winnowing machine |
| CN114871098A (en) * | 2022-06-20 | 2022-08-09 | 郑州一帆机械设备有限公司 | Combined type light material separator |
-
2021
- 2021-06-28 CN CN202121442145.9U patent/CN215142112U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273221A (en) * | 2021-12-27 | 2022-04-05 | 瑞泰环保装备有限公司 | Dispersing type winnowing machine |
| CN114871098A (en) * | 2022-06-20 | 2022-08-09 | 郑州一帆机械设备有限公司 | Combined type light material separator |
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