CN210965905U - Sand grain winnowing recovery device - Google Patents

Abstract

The utility model discloses a sand grain winnowing recovery device, which comprises an air blower and a winnowing box, wherein the top of the winnowing box is provided with a feeding bin, an adjusting component capable of adjusting sand grain flow is arranged in the winnowing box below the feeding bin, the air blower is arranged at one side of the winnowing box, the other side of the winnowing box is provided with a vent corresponding to the position of the air blower, one side of the bottom of the winnowing box, which is close to the air blower, is provided with a first hopper, and one side of the bottom of the winnowing box, which is close to the vent, is provided with a; the winnowing box outer wall be located the vent top and be equipped with the suction hood, the winnowing box outer wall of suction hood top is equipped with the air exhauster, winnowing box top still be equipped with the filtering ponds, suction hood and air exhauster between communicate through the intake pipe, air exhauster and filtering ponds lower part between communicate through the outlet duct. The utility model discloses a sand grain selection by winnowing recovery unit can effectively prevent the raise dust, reaches the purpose of environmental protection production.

Description

Sand grain winnowing recovery device

Technical Field

The utility model relates to a sand grain screening technical field, more specifically say, it relates to a sand grain selection by winnowing recovery unit.

Background

In the construction industry, sand is often used for mortar or concrete, and different demands are made on different sizes of sand, for example: the sand grains needed by mortar are finer, and the sand grains needed by concrete are larger, so the sand grains generally need to be subjected to grade screening in production and processing so as to be convenient to use. The grade screening of sand grains generally comprises the modes of winnowing screening, screen vibrating screening and the like, and the winnowing screening is a more convenient screening mode. However, the existing winnowing and screening device is simple in structure, and in the process that sand grains fall from a high position, the air blower carries out air blowing and screening on the sand grains in the falling process, so that the aim of winnowing the sand grains is fulfilled. Because sand grain is mostly the mineral substance and comes through the breakage, its sand grain surface or be accompanied by a large amount of dust between the sand grain, at the in-process of selection by winnowing, a large amount of dust is raised, causes operational environment poor, is unfavorable for the problem of production, still brings the pollution for the atmosphere simultaneously.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to the above-mentioned of prior art, provide a sand grain selection by winnowing recovery unit, can effectively prevent the raise dust, reach the purpose of environmental protection production.

The technical scheme of the utility model is like this: a sand grain winnowing recovery device comprises an air blower and a winnowing box, wherein a feeding bin is arranged at the top of the winnowing box, an adjusting component capable of adjusting sand grain flow is arranged in the winnowing box below the feeding bin, the air blower is arranged on one side of the winnowing box, a ventilation opening corresponding to the air blower in position is arranged on the other side of the winnowing box, a first hopper is arranged on one side, close to the air blower, of the bottom of the winnowing box, and a second hopper is arranged on one side, close to the ventilation opening, of the bottom of the winnowing box; winnowing box outer wall be located the vent top and be equipped with the suction hood, the winnowing box outer wall of suction hood top is equipped with the air exhauster, winnowing box top still be equipped with filtering water pool, suction hood and air exhauster between communicate through the intake pipe, air exhauster and filtering water pool lower part between communicate through the outlet duct, filtering water pool top be equipped with the blast pipe.

As a further improvement, the adjusting component comprises a discharging plate, wherein two sides of the discharging plate are provided with surrounding plates, the top of the winnowing box is further provided with an air cylinder, two sides of one end of the discharging plate are hinged and connected with the top of the inner wall of the winnowing box through a hinge shaft, two sides of the other end of the discharging plate are connected with the air cylinder, and the surrounding plates are provided with a sliding chute and an output end of the air cylinder in sliding connection.

Further, second hopper top be equipped with the first filter screen that the slope was arranged, the highest one end and the vent bottom surface looks parallel and level of first filter screen, lowest one end and first hopper top surface looks parallel and level.

Furthermore, a second filter screen is arranged in the dust hood.

Furthermore, the inner wall of one side of the air separation box is also provided with a camera.

Furthermore, the lower part of the winnowing box is also provided with a plurality of supporting legs.

Advantageous effects

Compared with the prior art, the utility model, have following advantage:

1. the utility model discloses a sand grain selection by winnowing recovery unit, its selection by winnowing process goes on in the wind selection box, avoids the problem that the dust scurried to fly to its air-blower and vent are the arrangement mode of opposition, form the selection by winnowing of STREAMING, improve the selection by winnowing effect, set up suction hood, air exhauster, filtering water pond simultaneously in the vent top, take out to the filtering water pond with the dust of flying out, can effectively prevent the raise dust, reach the purpose of environmental protection production.

2. The utility model discloses a sand grain selection by winnowing recovery unit, through set up wobbling stripper in the wind selector box, the swing angle of stripper is adjusted to the accessible to change the flow of sand grain, in order to improve the screening effect.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is an enlarged schematic view of the structure at a in fig. 1.

Wherein: 1-blower, 2-winnowing box, 3-feeding bin, 4-ventilation opening, 5-first hopper, 6-second hopper, 7-dust hood, 8-exhaust fan, 9-filtering water tank, 10-air inlet pipe, 11-air outlet pipe, 12-air outlet pipe, 13-stripper, 14-coaming plate, 15-cylinder, 16-chute, 17-first filter screen, 18-second filter screen, 19-camera and 20-supporting leg.

Detailed Description

The invention will be further described with reference to specific embodiments shown in the drawings.

Referring to fig. 1-2, the utility model discloses a sand grain winnowing recovery device, including air-blower 1, still include air-separation box 2, air-separation box 2 top is equipped with feeding storehouse 3, be equipped with the adjusting part of adjustable sand grain flow in air-separation box 2 below feeding storehouse 3, air-blower 1 is installed in one side of air-separation box 2, be equipped with vent 4 corresponding with air-blower 1 position at air-separation box 2 opposite side, its air-blower and vent are the opposite arrangement mode, form convection type winnowing, improve the selection by winnowing effect, be equipped with first hopper 5 in one side that air-blower 1 is close to in air-separation box 2 bottom, be used for collecting bigger sand grain, be equipped with second hopper 6 in one side that air-blower 4 is close to in air-separation box 2 bottom, be used for; be equipped with suction hood 7 above vent 4 at 2 outer walls of winnowing box, be equipped with air exhauster 8 at 2 outer walls of winnowing box of suction hood 7 top, still be equipped with filtering water tank 9 at 2 tops of winnowing box, wherein, communicate through intake pipe 10 between suction hood 7 and the air exhauster 8, communicate through outlet duct 11 between air exhauster 8 and the filtering water tank 9 lower part, be equipped with blast pipe 12 at filtering water tank 9 top, through vent 4 exhaust wind, be taken out by air exhauster 8 and filter the back discharge to filtering water tank 9 enterprising line filtration, can effectively prevent the raise dust, reach the purpose of environmental protection production.

Preferably, its adjusting part includes stripper 13, be equipped with bounding wall 14 in stripper 13 both sides, still be equipped with cylinder 15 at 2 tops of winnowing box, cylinder 15 is two, and the output of cylinder 15 slides and pegs graft in winnowing box 2, the articulated linking to each other in articulated axle and 2 inner walls tops of winnowing box are passed through to the one end both sides of stripper 13, make 2 luffing backs of winnowing box that stripper 13 can be relative, the other end both sides of stripper 13 are connected with cylinder 15, drive the swing of stripper 13 by cylinder 15, be equipped with the output sliding connection of spout 16 with cylinder 15 on bounding wall 14, ensure that cylinder 15 can drive the swing of stripper 13. In the using process, according to the screening effect, the discharging plate 13 can be driven by the air cylinder 15 to swing upwards, so that the flow of sand grains is reduced, the sand grain amount flowing through the air blower 1 is reduced, and the winnowing effect is improved.

Preferably, a first filter screen 17 is obliquely arranged above the second hopper 6, the highest end of the first filter screen 17 is flush with the bottom surface of the ventilation opening 4, and the lowest end of the first filter screen 17 is flush with the top surface of the first hopper 5, so that the situation that larger sand grains are blown to the second hopper 6 by overlarge wind power can be effectively prevented, and the winnowing effect is further improved.

Preferably, a second filter 18 is provided in the dust hood 7, and the second filter 18 can sieve out sawdust or grass, which is contained in sand, to prevent the clogging of the air intake duct 10 due to the suction.

Preferably, a camera 19 is further arranged on the inner wall of one side of the winnowing box 2, the camera 19 is connected with an external display screen through a lead, and the amount of larger particles on the top surface of the first filter screen 17 can be checked, so that the sand flow can be adjusted through the adjusting assembly.

Preferably, still be equipped with a plurality of supporting legs 20 in air classification case 2 lower part, when improving air classification case 2 stability, raised first hopper 5, second hopper 6 to the packing of sand grain, collection are convenient for.

When the sand grain winnowing recovery device is used, sand grains fall into the winnowing box 2 from the feeding bin 3, and are winnowed and separated under the action of wind power of the air blower 1, wherein larger sand grains fall into the first hopper 5 under the action of self gravity, and finer sand grains are blown into the second hopper 6 due to smaller gravity, so that sand grain winnowing screening is realized; the air blown out by the air blower 1 is discharged through the vent 4, at the moment, the air is pumped out to the filtering water tank 9 by the exhaust fan 8 and then is discharged after being filtered, so that dust can be effectively prevented from flying, and the purpose of environment-friendly production is achieved; meanwhile, the flow rate of sand grains can be changed by adjusting the swing angle of the stripper plate, so that the screening effect is improved. The utility model discloses a sand grain selection by winnowing recovery unit, its selection by winnowing process goes on in the wind selection box, avoids the problem that the dust scurried to fly to its air-blower and vent are the arrangement mode of opposition, form the selection by winnowing of STREAMING, improve the selection by winnowing effect, set up suction hood, air exhauster, filtering water pond simultaneously in the vent top, take out to the filtering water pond with the dust of flying out, can effectively prevent the raise dust, reach the purpose of environmental protection production.

The above is only the preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility model and the utility of the patent.

Claims (6)

1. A sand grain winnowing recovery device comprises an air blower (1) and is characterized by further comprising a winnowing box (2), wherein a feeding bin (3) is arranged at the top of the winnowing box (2), an adjusting component capable of adjusting sand grain flow is arranged in the winnowing box (2) below the feeding bin (3), the air blower (1) is installed on one side of the winnowing box (2), a ventilation opening (4) corresponding to the air blower (1) in position is formed in the other side of the winnowing box (2), a first hopper (5) is arranged on one side, close to the air blower (1), of the bottom of the winnowing box (2), and a second hopper (6) is arranged on one side, close to the ventilation opening (4), of the bottom of the winnowing box (2); winnowing box (2) outer wall be located vent (4) top and be equipped with suction hood (7), winnowing box (2) outer wall of suction hood (7) top is equipped with air exhauster (8), winnowing box (2) top still be equipped with filtering ponds (9), suction hood (7) and air exhauster (8) between communicate through intake pipe (10), air exhauster (8) and filtering ponds (9) lower part between communicate through outlet duct (11), filtering ponds (9) top be equipped with blast pipe (12).

2. The sand grain winnowing recovery device according to claim 1, wherein the adjusting assembly comprises a stripper plate (13), wherein two sides of the stripper plate (13) are provided with enclosing plates (14), the top of the winnowing box (2) is further provided with a cylinder (15), two sides of one end of the stripper plate (13) are hinged and connected with the top of the inner wall of the winnowing box (2) through a hinged shaft, two sides of the other end of the stripper plate are connected with the cylinder (15), and the enclosing plates (14) are provided with chutes (16) which are in sliding connection with the output end of the cylinder (15).

3. A sand winnowing recovery device according to claim 1, characterized in that a first obliquely arranged screen (17) is arranged above the second hopper (6), the highest end of the first screen (17) being flush with the bottom surface of the ventilation opening (4) and the lowest end with the top surface of the first hopper (5).

4. The sand grain winnowing recovery device according to claim 1, characterized in that a second screen (18) is provided in the dust hood (7).

5. The sand grain winnowing recovery device according to any one of claims 1 to 4, characterized in that a camera (19) is further provided on an inner wall of one side of the winnowing box (2).

6. The sand grain winnowing recovery device according to claim 5, characterized in that a plurality of supporting legs (20) are further provided at the lower part of the winnowing box (2).

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