CN210463777U - Extrusion dehydration device for non-combustible materials in household garbage - Google Patents

Abstract

The utility model discloses an extrusion dehydration device for non-combustible materials in household garbage, which comprises a power mechanism, a screw shaft driven to rotate by the power mechanism, a screen sleeved outside the screw shaft and resistance increasing equipment positioned at the discharge end of the screw shaft; the resistance increasing equipment comprises a plurality of air pressure plates, and each air pressure plate is correspondingly provided with a driving part, a supporting leg and a support for driving the air pressure plates to rotate; the plurality of air pressure plates form a ring shape in a surrounding mode and are positioned at the discharge end of the spiral shaft; the drive end and the support fixed connection of drive division, landing leg one end and atmospheric pressure board fixed connection, the landing leg other end and support fixed connection, increase and hinder the equipment still include spacing axle and turn round, turn round one end and spacing axle rotation connection, turn round the other end and atmospheric pressure board fixed connection.

Description

Extrusion dehydration device for non-combustible materials in household garbage

Technical Field

The utility model relates to an extrusion dewatering device for domestic waste incombustible belongs to environmental protection mechanical equipment technical field.

Background

The cement kiln is an effective way for solving the refuse city and realizing the reduction and harmlessness of the domestic refuse. However, the domestic garbage often contains more water, especially incombustibles in the domestic garbage, and if the domestic garbage is not dehydrated, the domestic garbage is directly put into a cement kiln for incineration disposal, so that firstly, the consumption of fuel is increased, and secondly, the kiln condition is unstable, and the normal operation of the cement kiln is influenced. Therefore, the water content of the incombustibles in the domestic garbage needs to be reduced as much as possible. Many spiral separation extrusion dehydration equipment in the market are used for treating most incombustibles in the household garbage and are easy to have the problems of material blockage, limited processing capacity and the like.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims to solve the technical problem that a extrusion dewatering device for domestic waste incombustible is provided, and this extrusion dewatering device can guarantee good dewatering effect, can realize continuous operation again.

For solving the technical problem, the utility model discloses the technical scheme who adopts does:

an extrusion dehydration device for non-combustible materials in household garbage comprises a power mechanism, a screw shaft driven to rotate by the power mechanism, a screen sleeved outside the screw shaft and resistance increasing equipment positioned at the discharge end of the screw shaft; the resistance increasing equipment comprises a plurality of air pressure plates, and each air pressure plate is correspondingly provided with a driving part, a supporting leg and a support for driving the air pressure plates to rotate; the plurality of air pressure plates form a ring shape in a surrounding mode and are positioned at the discharge end of the spiral shaft; the drive end and the support fixed connection of drive division, landing leg one end and atmospheric pressure board fixed connection, the landing leg other end and support fixed connection, increase and hinder the equipment still include spacing axle and turn round, turn round one end and spacing axle rotation connection, turn round the other end and atmospheric pressure board fixed connection.

The power mechanism comprises a motor and a speed reducer in transmission connection with the motor through a belt pulley, and the speed reducer is in transmission connection with the screw shaft through a coupler.

The device also comprises a machine shell, wherein the machine shell is sequentially divided into a feeding box, a dewatering box and a discharging box; the feed box top is equipped with the feed inlet, and the dewatering box bottom is equipped with the outlet, and ejection of compact bottom of the case portion is equipped with the bin outlet.

The screen comprises a support and a filter screen fixed on the support, the support is formed by splicing a plurality of annular supports through bolts, the support and the filter screen form a cylindrical screen, and the spiral shaft penetrates through the cylindrical screen.

Wherein, the screen cloth sets up the reinforcement casing on being close to the filter screen of ejection of compact case one side, has a plurality of round holes on the reinforcement casing.

Wherein, the screw pitch of screw axis is reduced gradually to the play workbin direction by the feeding case, and the diameter of screw axis is crescent to the play workbin direction by the feeding case.

Has the advantages that: the utility model adopts the screw shaft with variable screw pitch and shaft diameter, matches the discharging resistance of the air pressure plate and adjusts the rotating speed of the screw shaft, and improves the dehydration effect of the equipment to the maximum extent under the condition of ensuring certain disposal capability; the utility model discloses extrusion dewatering device not only can carry out the high efficiency dehydration to the domestic waste incombustibles that moisture content is high, also has fine adaptability to the complicated changeable incombustibles material of composition moreover.

Drawings

FIG. 1 is a front view of the squeezing and dewatering device of the present invention;

FIG. 2 is a sectional view of the squeezing and dewatering device of the present invention;

FIG. 3 is a schematic structural view of a screen in the squeezing and dewatering device of the present invention;

FIG. 4 is a schematic structural view of a resistance increasing device in the squeezing and dewatering device of the present invention;

fig. 5 is a side view of the resistance increasing device in the squeezing dewatering device of the present invention.

Detailed Description

The technical solution of the present invention is further described below with reference to the accompanying drawings, but the scope of the present invention is not limited thereto.

As shown in fig. 1-5, the extrusion dehydration device for non-combustible domestic garbage of the utility model comprises a casing 25, wherein the casing 25 is divided into a feeding box 1, a dehydration box 2 and a discharging box 3 in sequence; the top of the feeding box 1 is provided with a feeding hole 4, the bottom of the dewatering box is provided with a water outlet 9, and the bottom of the discharging box 3 is hollowed into a discharging hole; the extrusion dehydration device also comprises a power mechanism, a screw shaft 11 driven to rotate by the power mechanism, a screen sleeved outside the screw shaft 11 and resistance increasing equipment positioned at the discharge end of the screw shaft 11; the power mechanism comprises a motor 5 and a speed reducer 7 in transmission connection with the motor 5 through a belt pulley 6, and the speed reducer 7 is in transmission connection with a screw shaft 11 through a coupling 8; the screen is composed of a support 18 and a screen 16 fixed on the support 18, the support 18 is formed by splicing a plurality of annular supports through bolts 22, the support 18 and the screen 16 form a cylindrical screen, the spiral shaft 11 penetrates through the cylindrical screen, and two ends of the spiral shaft 11 are respectively connected with the feeding box 1 and the discharging box 3 through bearings 20; the resistance increasing device comprises a plurality of pneumatic plates 21, wherein each pneumatic plate 21 corresponds to a driving part 15 (air cylinder) for driving the pneumatic plate 21 to rotate, a supporting leg 14 and a support 13; the plurality of air pressure plates 21 are encircled to form a ring and are positioned at a discharge port 24 of the screw shaft 11; the driving end of the cylinder 15 is fixedly connected with the support 13, one end of the supporting leg 14 is fixedly connected with the air pressure plate 21, the other end of the supporting leg 14 is fixedly connected with the support 13, the resistance increasing equipment further comprises a limiting shaft 19 and a rotating knob 23, one end of the rotating knob 23 is rotatably connected with the limiting shaft 19, the other end of the rotating knob 23 is fixedly connected with the air pressure plate 21, and two ends of the limiting shaft 19 are fixed on the inner side wall of the discharge box 3. The resistance increasing equipment is arranged in the discharging box 3, the support 13 horizontally moves under the action of the cylinder 15, the supporting legs 14 drive the pressure plates 21 to rotate around the limiting shafts 19, and the pressure plates 21 are in a closed or open state; when the air pressure plate 21 rotates, the limiting shaft 19 and the rotating knob 23 limit the air pressure plate 21 to rotate at the discharge port 24 of the screw shaft 11.

The screen cloth is the segmentation structure of assembling, and each section screen cloth passes through bolt 22 fixed connection, and the dismouting of being convenient for is overhauld, is convenient for wash the screen cloth simultaneously, reduces the sieve mesh and blocks up the problem. The reinforcing shell 17 is arranged on one side, which is far away from the feeding box 1 and close to the discharging box 3, of the filter screen 16, and the reinforcing shell 17 can prevent the problem that the filter screen 16 is easy to damage due to the increase of resistance on one side of the discharging box 3; the reinforcing housing 17 is provided with a plurality of circular holes to squeeze the water out.

The screw pitch of screw axis 11 is reduced gradually by feed box 1 to play workbin 3 directions, and the diameter of screw axis 11 is crescent by feed box 1 to play workbin 3 directions, and the material is compressed gradually from feed box 1 to play workbin 3 transportation process, and moisture is extruded and flows out through the screen cloth in the material, finally flows out outside the equipment via drain outlet 9 of dehydration case 2. If the dewatering effect needs to be further improved, the air cylinder 15 is inflated to push the support 13 to move forwards along the horizontal direction, so that the air pressure plate 21 at the discharge port 24 of the spiral shaft 11 is folded, the discharge resistance is increased, and the dewatering rate is improved; on the other hand, the rotating speed of the screw shaft 11 can be reduced by adjusting the speed reducer 7, so that the retention time of the materials in the dehydration mechanism is increased, more water is discharged, and the dehydration rate is improved.

During operation, non-combustible materials screened out after the domestic garbage pretreatment are conveyed by a belt and fall into a feeding hole 4 of a feeding box 1, the non-combustible materials are driven by a blade of a spiral shaft 11 to move towards a discharging box 3, the volume of the space between the spiral blades is gradually reduced, the non-combustible materials are continuously extruded, moisture continuously flows out through the screen and the non-combustible materials are intercepted in a cavity, and finally the non-combustible materials are taken out of a dewatering mechanism along with the rotation of the spiral shaft 11, and are discharged from a discharging hole at the bottom of the discharging box 3 and fall into a subsequent receiving belt. In the process, the discharge resistance of the pneumatic plate 21 and the rotation speed of the screw shaft 11 can be adjusted according to the treatment capacity and the dehydration rate to be achieved, so as to achieve the required dehydration effect.

Claims (6)

1. The utility model provides an extrusion dewatering device for domestic waste incombustible which characterized in that: the spiral shaft resistance increasing device comprises a power mechanism, a spiral shaft driven to rotate by the power mechanism, a screen sleeved outside the spiral shaft and resistance increasing equipment positioned at the discharge end of the spiral shaft; the resistance increasing equipment comprises a plurality of air pressure plates, and each air pressure plate is correspondingly provided with a driving part, a supporting leg and a support for driving the air pressure plates to rotate; the plurality of air pressure plates form a ring shape in a surrounding mode and are positioned at the discharge end of the spiral shaft; the drive end and the support fixed connection of drive division, landing leg one end and atmospheric pressure board fixed connection, the landing leg other end and support fixed connection, increase and hinder the equipment still include spacing axle and turn round, turn round one end and spacing axle rotation connection, turn round the other end and atmospheric pressure board fixed connection.

2. The press dehydration apparatus for non-combustible materials of domestic garbage according to claim 1, characterized in that: the power mechanism comprises a motor and a speed reducer in transmission connection with the motor through a belt pulley, and the speed reducer is in transmission connection with the screw shaft through a coupler.

3. The press dehydration apparatus for non-combustible materials of domestic garbage according to claim 1, characterized in that: the machine shell is sequentially divided into a feeding box, a dewatering box and a discharging box; the feed box top is equipped with the feed inlet, and the dewatering box bottom is equipped with the outlet, and ejection of compact bottom of the case portion is equipped with the bin outlet.

4. The press dehydration apparatus for non-combustible materials of domestic garbage according to claim 1, characterized in that: the screen cloth comprises support and the filter screen of fixing on the support, and the support is formed by a plurality of ring type supports through the bolt concatenation, and support and filter screen form cylindrical screen cloth, and the screw axis runs through in cylindrical screen cloth.

5. The press dehydration apparatus for non-combustible materials of domestic garbage according to claim 4, characterized in that: the screen cloth sets up the reinforcement casing on being close to the filter screen of ejection of compact case one side, has a plurality of round holes on the reinforcement casing.

6. The press dehydration apparatus for non-combustible materials of domestic garbage according to claim 1, characterized in that: the screw pitch of the screw shaft is gradually reduced from the feeding box to the discharging box, and the diameter of the screw shaft is gradually increased from the feeding box to the discharging box.

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