CN111804103B - Road construction dust device - Google Patents

Road construction dust device Download PDF

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Publication number
CN111804103B
CN111804103B CN202010623081.6A CN202010623081A CN111804103B CN 111804103 B CN111804103 B CN 111804103B CN 202010623081 A CN202010623081 A CN 202010623081A CN 111804103 B CN111804103 B CN 111804103B
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China
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side plate
box body
filter element
front side
rear side
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CN202010623081.6A
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Chinese (zh)
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CN111804103A (en
Inventor
夏英志
王海恩
杨东薇
丁亚军
齐大奇
徐宇翔
马桂杰
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Henan University of Urban Construction
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Henan University of Urban Construction
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Priority to CN202010623081.6A priority Critical patent/CN111804103B/en
Publication of CN111804103A publication Critical patent/CN111804103A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention relates to a road construction dust-settling device, which effectively solves the problems of high power consumption, small suction amount and easy blockage inside the dust-settling device; the technical proposal for solving the problem is that the device comprises a box body, wherein a channel in the left and right directions is arranged in the box body; a rotatable filter element is arranged in the channel; the left end of the channel is provided with a bell mouth, and an exhaust fan for blowing air into the box body is arranged in the bell mouth; a water inlet pipe is arranged in the channel, and a spray head is arranged on the water inlet pipe; a water tank positioned right above the filtering piece and a water outlet positioned right below the filtering piece are arranged in the box body; the filter element comprises a front side plate and a rear side plate, and a plurality of filter plates which incline towards the axis of the supporting shaft are arranged between the front side plate and the rear side plate; a front-back rotating shaft is arranged between the front side plate and the rear side plate and can rotate; a sponge layer is wrapped outside the rotating shaft, the sponge layer is right opposite to the right end of the fan-shaped filter body, a press roller for extruding the sponge layer is arranged below the rotating shaft, and the press roller can passively rotate; the invention does not need a filter screen, has good ventilation and large suction quantity.

Description

Road construction dust device
Technical Field
The invention relates to the technical field of construction, in particular to a road construction dust falling device.
Background
At present, road construction relates to multiple dust control schemes, and mainly adopts a partition wall water spray or a spray vehicle to reduce dust. The mode is generally suitable for large-scale dust fall and mainly deals with dust raising control of the whole construction site. At present, no good dust settling measures exist for dust settling in some local working areas; cutting and grinding materials such as plates, stones and the like; or the loading and unloading operation of stacking areas of stone, cement, lime and the like; this kind of operation scope is little to many places are unsuitable directly to use water smoke to carry out the dust fall, consequently just need adopt a miniature suction formula dust device to carry out the quick dust fall of local, thereby reduce dust content, are favorable to workman's health.
Most of suction type dust settling devices in the market at present adopt filter screens for filtering, and because the filter screens are dense in texture, the ventilation performance can be influenced during air suction, the dust filtering effect is reduced, a large amount of sudden dust during material stacking cannot be dealt with, and meanwhile, the blockage is easy to occur; if the air suction volume needs to be increased, the equipment needs a fan with stronger service performance, and the fan is expensive, high in power consumption and large in noise, and can increase extra expenses such as electricity charge; the low-power-consumption high-efficiency air draft dust fall can not be realized.
Therefore, a dust falling device which has strong suction capacity, can avoid blockage and is self-cleaning in time is needed at present to solve the problems.
Disclosure of Invention
In view of the above situation, the present invention provides a road construction dust-settling device, which can effectively solve the problems of high power consumption, small suction volume and easy internal blockage of the existing dust-settling device.
The technical proposal for solving the problem is that the device comprises a box body, wherein a channel in the left and right directions is arranged in the box body; a rotatable filter element is arranged in the channel; a bell mouth is arranged at the left end of the channel, and an exhaust fan for blowing air into the box body is arranged in the bell mouth; a plurality of water inlet pipes positioned between the exhaust fan and the filtering piece are arranged in the channel, and a plurality of atomizing spray heads are arranged on each water inlet pipe; a water tank positioned right above the filtering piece and a water outlet positioned right below the filtering piece are arranged in the box body; after the filter element rotates clockwise from the horizontal state, water in the water tank can be triggered to flow downwards to flush the filter element;
the filter piece comprises a front side plate and a rear side plate, and a support shaft which is placed in the front direction and penetrates through the box body is arranged on the outer side surfaces of the front side plate and the rear side plate; a plurality of filter plates which incline towards the axis of the supporting shaft are arranged between the front side plate and the rear side plate; a plurality of filter plates form a sector filter body with a large left and a small right; a front-back rotating shaft is arranged between the front side plate and the rear side plate and can rotate; the sponge layer is wrapped outside the rotating shaft, the sponge layer is just opposite to the right end of the fan-shaped filter body, a press roller for extruding the sponge layer is installed below the rotating shaft, and the press roller can rotate passively.
The invention does not need a filter screen, has good ventilation and large suction amount; meanwhile, the dust can be combined with the water mist and then adhered to the filter plate and then adsorbed, so that the dust is prevented from escaping; the internal filter piece is convenient to clean and not easy to block.
Drawings
Fig. 1 is a front view of the present invention.
FIG. 2 is a front sectional view (dust-filtered state) of the present invention.
Fig. 3 is a front sectional view (cleaning state) of the present invention.
Fig. 4 is a perspective view of the filter element.
Fig. 5 is a schematic sectional perspective view of fig. 4.
Detailed Description
The following describes in further detail embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 5, the present invention includes a box body 1, wherein a channel 2 is arranged in the box body 1 in the left-right direction; a rotatable filter member 3 is arranged in the channel 2; a bell mouth 4 is arranged at the left end of the channel 2, and an exhaust fan 5 for blowing air into the box body 1 is arranged in the bell mouth 4; a plurality of water inlet pipes 6 positioned between the exhaust fan 5 and the filtering piece 3 are arranged in the channel 2, and a plurality of atomizing spray heads are arranged on each water inlet pipe 6; a water tank 7 positioned right above the filtering piece 3 and a water outlet 8 positioned right below the filtering piece 3 are arranged in the box body 1; after the filter element 3 rotates clockwise 90 degrees from the horizontal state, water in the water tank 7 is triggered to flow downwards to flush the filter element 3;
the filter element 3 comprises a front side plate 301 and a rear side plate 301, and a support shaft 302 which is placed in the front direction and penetrates through the box body 1 is arranged on the outer side surfaces of the front side plate 301 and the rear side plate 301; a plurality of filter plates 303 which incline towards the axis of the supporting shaft 302 are arranged between the front side plate 301 and the rear side plate 301; a plurality of filter plates 303 form a sector filter body with a large left and a small right; a front-back rotating shaft 304 is arranged between the front side plate 301 and the rear side plate 301, and the rotating shaft 304 can rotate; the outer parcel of pivot 304 has the sponge layer 305, and the right-hand member of fan-shaped filter body is just faced to sponge layer 305, and the compression roller 306 of extrusion sponge layer 305 is installed to the below of pivot 304, and compression roller 306 can rotate passively.
In order to drain water in the sponge layer 305 from the water outlet 8, a sloping plate 307 positioned at the right lower part of the sponge layer 305 is connected between the front side plate 301 and the rear side plate 301; the lower end of the sloping plate 307 corresponds to the drain port 8.
In order to control the water inlet and outlet of the water tank 7 conveniently, a float valve 9 is arranged at the water inlet of the water tank 7; an opening 10 is formed in the bottom of the water tank 7, a plurality of vertical guide rods 11 are arranged at the position of the opening 10, a baffle 12 capable of moving up and down is installed on each guide rod 11, and a pressure spring 13 enabling the baffle 12 to reset downwards is sleeved on each guide rod 11; a vertical rod 14 is fixed on the lower end surface of the baffle 12, and a squeezing rod 15 in the front-back direction is fixed on the lower end of the vertical rod 14.
In order to make filter 3 by the clockwise 90 degrees backs of rotating of horizontal state, can trigger the water in the water tank 7 and flow out downwards and erode and filter 3, filter the left end of two curb plates 301 around 3 and be the arc surface, upper cover plate 308 is installed to the up end of two curb plates 301 around, wedge 309 with the arc surface links up is installed to the left end of upper cover plate 308. After rotation of the filter element 3, the wedge 309 is passed over and the circular arc presses the pressing rod 15 to move upward, so that the baffle 12 also moves upward and the opening 10 of the water tank 7 is opened.
In order to enable the filtered gas to escape from the right end of the channel 2, a plurality of support rods 16 which are arranged in the front-back direction are arranged in the water outlet 8 side by side from left to right, the support rods 16 can rotate, a baffle 17 is arranged on each support rod 16, and the support rods 16 rotate 90 degrees at the same time to block or open the water outlet 8.
In order to facilitate the rotation of the filtering pieces 3 and the supporting rods 16, a frame 18 capable of moving up and down is installed on the front side of the box body 1, the frame 18 moves up and down through an electric telescopic rod 19, a gear is sleeved on a supporting shaft 302 of the filtering pieces 3 on the front side, and a gear is installed at the front end of each supporting rod 16; the frame 18 is provided with a plurality of racks which are simultaneously engaged with the gears on the support shafts 302 and the gears on the support rods 16.
In order to realize the rotation of the rotating shaft 304, a motor 310 is mounted on the side plate 301, and the motor 310 drives the rotating shaft 304 to rotate.
In order to sufficiently flush the filter element 3 with the water in the water tank 7, a plurality of flow guide plates 20 facing to both sides are mounted on the opening 10 of the bottom of the water tank 7.
In order to move conveniently, universal wheels 21 are arranged at the bottom of the box body 1.
When the device is used, the device is moved to a construction area, the bell mouth 4 of the device is aligned to a place where dust is generated, and then the water inlet pipe 6 of the device can be communicated with a water source; at the moment, the atomizing nozzle arranged on the water inlet pipe 6 can atomize water under the action of water pressure; meanwhile, the water inlet pipe 6 is connected to the water inlet of the water tank 7 through a tee joint, so that the water tank 7 can be filled with water, and the water tank 7 can be automatically stopped after being filled with water under the action of the float valve 9.
Then the exhaust fan 5 is started, and at the moment, the exhaust fan 5 absorbs dust from the bell mouth 4; in the initial state, the filter element 3 is in the position shown in fig. 2, i.e. with the partition in the filter element 3 facing the bell mouth 4; at this time, the dust-containing gas sucked by the exhaust fan 5 is firstly in full contact with atomized water drops; thus, the dust and the water drops are fused together, and the volume and the weight of the fused dust are increased; then, a plurality of partition plates are uniformly distributed around the circumference of the axis of the supporting shaft 302; meanwhile, the shape of the partition plates is similar to a sector, and the large head of the sector faces the left and the small head faces the right; therefore, the gap between two adjacent partition boards is gradually reduced from left to right.
When the gas fused with the water mist blows to the partition plates from left to right, the gap between every two adjacent partition plates is reduced, and the partition plates have a certain inclination angle; therefore, the dust-containing gas fused with the water mist can adhere to the surface of the partition board; and will change from small-volume liquid drop to large-volume liquid drop along the surface of the baffle under the influence of wind power.
When the volume of the liquid drop is increased, the liquid drop gradually slides from left to right along the partition plate until the liquid drop is completely separated from the right side of the partition plate; at this time, the right side of the partition board is provided with a rotating shaft 304, and the outer edge surface of the rotating shaft 304 is wrapped with a sponge layer 305; therefore, the liquid drops blown out from the right side of the partition board can be absorbed by the sponge layer 305; after most of the liquid droplets in the air are adsorbed, clean air is blown out from both sides of the sponge layer 305 toward the right side of the passage 2. Thereby achieving the filtration of the gas.
Because the sponge layer 305 is in a continuous rotating state under the action of the motor 310, when the sponge layer 305 rotates, the compression roller 306 and the sponge layer 305 are in a squeezing state; therefore, the rotation of the sponge layer 305 drives the compression roller 306 to rotate together; so that the pressing roller 306 presses the dust-containing liquid drops on the sponge layer 305 to slide down and fall into the water outlet 8 along the inclined plate 307, and then the dust-containing liquid drops flow out of the box body 1 from the gap of the water outlet 8. This achieves on the one hand the discharge of droplets from the sponge layer 305; on the other hand, after the dried sponge layer 305 continues to rotate to correspond to the right side of the partition board, liquid drops can be adsorbed again, and the circulating adsorption capacity of the sponge layer 305 is enhanced.
In the above process, the baffle plates 17 on the support rods 16 are all in a horizontal state, so that the water outlet 8 is in a closed state, and most of the air blown to the sponge layer 305 is not discharged from the water outlet 8 after escaping; only dust-laden droplets can flow downwards from the gap between the baffle 17 and the baffle 17.
After filtering for a while, the dust content on the partition board increases, and the sponge layer 305 is gradually polluted; the partition and sponge layer 305 need to be cleaned at the same time. When cleaning, only the electric telescopic rod 19 needs to be started, and at the moment, the electric telescopic rod 19 drives the frame 18 to move upwards; when the frame 18 moves upwards, the rack on the frame 18 and the gear action of the supporting shaft 302 and the end of the supporting rod 16 act; the whole filter element 3 rotates clockwise by 90 degrees; the filter member 3 is caused to assume the state shown in fig. 3, in which the flaps 17 of the plurality of support rods 16 are also in the upright state, i.e., the drain port 8 is opened.
In the process of rotating the filter element 3 from the horizontal position to the vertical position, the wedge 309 on the upper cover plate 308 of the filter element 3 presses the extrusion rod 15, and then the arc surface at the left end of the filter element 3 presses the extrusion rod 15, so that the extrusion rod 15 drives the baffle plate to move upwards through the vertical rod 14. When the baffle 12 moves upwards, the opening 10 at the bottom of the water tank 7 is opened, and water in the water tank 7 can be poured; the water flows downwards along the partition plate under the impact force of the water; the partition and sponge layer 305 is flushed. The dirty water after being washed is discharged from the water outlet 8, and a waste water bucket can be arranged below the water outlet 8 to collect water.
During the cleaning process, the atomized dust-containing gas enters the inside of the filter element 3, but the dust-containing gas is not directly discharged from the right side of the channel 2 because the upper cover plate 308 of the filter element 3 rotates to the right side; but is discharged from the water discharge port 8 while being washed by the water flow to prevent the escape of dust.
After the cleaning is finished, the whole frame 18 is moved downwards by starting the electric telescopic rod 19 again; at the moment, the filter piece rotates anticlockwise by 90 degrees and returns to the initial state; meanwhile, the plurality of baffle plates 17 are also rotated to be in a horizontal state to close the water outlet 8; the baffle 12 is also reset downwards under the action of the pressure spring 13 and closes the opening 10 of the water tank 7; the entire device can be filtered again quickly.
The device is provided with inclined partition plates which are arranged in a fan shape; the atomized gas can flow along the partition plate, so that the dust is adhered to the partition plate; the left side of the space formed by the partition plate is large and the right side of the space is small, so that the sucked gas is collected and then is discharged from the right end of the partition plate; the gas can be blown exactly over the sponge layer 305, and sufficient absorption of the dust-containing droplets can be achieved by the impact of the high-speed gas flow and the drying of the sponge layer 305.
According to the device, the filtering piece 3 is arranged to be capable of rotating, the filtering piece 3 is used for filtering in a horizontal position, and the filtering piece 3 is used for cleaning in a vertical position; the device is fast in cleaning speed, convenient and fast in cleaning and does not need to be disassembled and assembled.
The device changes the traditional filter screen type filtration or other filtration modes similar to filter screens by arranging the matching of the partition board and the sponge layer 305; thereby effectively increasing the speed of the through-flow and improving the amount of air sucked in unit time, and realizing larger purification capacity of the exhaust fan 5 with smaller power.

Claims (7)

1. A road construction dust fall device comprises a box body (1), and is characterized in that a channel (2) in the left and right direction is arranged in the box body (1); a rotatable filter element (3) is arranged in the channel (2); a bell mouth (4) is arranged at the left end of the channel (2), and an exhaust fan (5) for blowing air into the box body (1) is arranged in the bell mouth (4); a plurality of water inlet pipes (6) positioned between the exhaust fan (5) and the filtering piece (3) are arranged in the channel (2), and a plurality of atomizing nozzles are arranged on each water inlet pipe (6); a water tank (7) positioned right above the filtering piece (3) and a water outlet (8) positioned right below the filtering piece (3) are arranged in the box body (1); after the filter element (3) rotates clockwise 90 degrees in a vertical plane from a horizontal state, water in the water tank (7) is triggered to flow downwards to flush the filter element (3);
the filter element (3) comprises a front side plate and a rear side plate (301), and a support shaft (302) which is arranged in the front direction and penetrates through the box body (1) is arranged on the outer side surfaces of the front side plate and the rear side plate (301); a plurality of filter plates (303) which incline towards the axis of the supporting shaft (302) are arranged between the front side plate and the rear side plate (301); a plurality of filter plates (303) form a sector filter body with a large left and a small right; a rotating shaft (304) in the front-back direction is arranged between the front side plate (301) and the rear side plate (301), and the rotating shaft (304) can rotate; a sponge layer (305) is wrapped outside the rotating shaft (304), the sponge layer (305) is right opposite to the right end of the fan-shaped filter body, a press roller (306) for extruding the sponge layer (305) is arranged below the rotating shaft (304), and the press roller (306) can passively rotate;
the left ends of the front side plate (301) and the rear side plate (301) of the filter element (3) are arc surfaces, the upper end surfaces of the front side plate (301) and the rear side plate (301) are provided with upper cover plates (308), and the left ends of the upper cover plates (308) are provided with wedge blocks (309) connected with the arc surfaces; after the filter element (3) rotates, the filter element passes through the wedge-shaped block (309) excessively, and the arc surface presses the extrusion rod (15) to move upwards, so that the baffle plate (12) also moves upwards, and the opening (10) of the water tank (7) is opened;
a plurality of guide plates (20) facing to two sides are arranged on the opening (10) at the bottom of the water tank (7).
2. The road construction dust fall device according to claim 1, characterized in that a sloping plate (307) is connected between the front and rear side plates (301) and is positioned at the right lower part of the sponge layer (305); the lower end of the sloping plate (307) corresponds to the water outlet (8).
3. The road construction dust fall device according to claim 1, characterized in that a float valve (9) is installed at the water inlet of the water tank (7); an opening (10) is formed in the bottom of the water tank (7), a plurality of vertical guide rods (11) are arranged at the position of the opening (10), a baffle (12) capable of moving up and down is installed on each guide rod (11), and a pressure spring (13) enabling the baffle (12) to reset downwards is sleeved on each guide rod (11); a vertical rod (14) is fixed on the lower end surface of the baffle (12), and a squeezing rod (15) in the front-back direction is fixed on the lower end of the vertical rod (14).
4. The road construction dust fall device according to claim 1, characterized in that a plurality of support rods (16) arranged in the front-back direction are arranged side by side in the water outlet (8), the support rods (16) can rotate, each support rod (16) is provided with a baffle (17), and the plurality of support rods (16) rotate 90 degrees at the same time to block or open the water outlet (8).
5. The road construction dust fall device according to claim 1, characterized in that a frame (18) capable of moving up and down is installed on the front side of the box body (1), the frame (18) can move up and down through an electric telescopic rod (19), a support shaft (302) of the filter element (3) on the front side is sleeved with a gear, and the front end of each support rod (16) is provided with a gear; the frame (18) is provided with a plurality of racks which are simultaneously meshed with the gear on the supporting shaft (302) and the gear on the supporting rod (16).
6. The road construction dust falling device according to claim 1, characterized in that a motor (310) is mounted on the side plate (301), and the motor (311) drives a rotating shaft (304) to rotate.
7. The road construction dust fall device according to claim 1, characterized in that universal wheels (21) are installed at the bottom of the box body (1).
CN202010623081.6A 2020-07-01 2020-07-01 Road construction dust device Active CN111804103B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010623081.6A CN111804103B (en) 2020-07-01 2020-07-01 Road construction dust device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010623081.6A CN111804103B (en) 2020-07-01 2020-07-01 Road construction dust device

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CN111804103A CN111804103A (en) 2020-10-23
CN111804103B true CN111804103B (en) 2021-09-07

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CN112705001B (en) * 2020-12-31 2022-06-14 高国杰 Peanut picker raise dust processing apparatus
CN116550083B (en) * 2023-06-26 2023-12-05 科创扬州环境工程科技股份有限公司 Flue gas filtering device

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