CN214821131U - Spiral extrusion dehydrator for kitchen waste - Google Patents

Abstract

The utility model relates to a spiral extrusion dehydrator for kitchen waste, wherein two detachable circular filter cylinders are arranged on a frame, two outlets of a hopper at the front side of a housing are respectively connected and communicated with inlets of the two filter cylinders, two main shafts are correspondingly arranged in each filter cylinder, two motors are connected with one end of the corresponding main shaft through output shafts of respective reducers, a solid slag discharge mechanism comprises an air spring support, a conical disc which is sleeved on the main shaft and can axially move, and an air bag which is used for driving the conical disc to axially move, the front plate of the gas spring support is connected with the rear bearing seat, the front end of each push rod is connected with the conical disc, the rear end of each push rod penetrates through the front plate on the gas spring support and is connected with the top plate, the springs sleeved on the push rods are propped against the front plate and the top plate, two ends of the air bag are respectively connected with the push plate and the rear plate of the gas spring support, and when the air bag is not compressed, the conical surface of the conical disc is blocked at the discharge port of the filter cylinder. The utility model discloses rational in infrastructure, can improve handling capacity and dehydration rate, the dehydration is stable, and it is convenient to maintain.

Description

Spiral extrusion dehydrator for kitchen waste

Technical Field

The utility model relates to a kitchen garbage screw extrusion hydroextractor belongs to rubbish extrusion dehydration technical field.

Background

The kitchen waste contains a large amount of leftovers, grease, spoiled water and the like, has the characteristics of high water content, high organic matter-to-mass ratio, high salt content and the like, and is in a solid-liquid mixed viscous state. In the existing kitchen waste treatment technology, pretreatment and anaerobic digestion are generally adopted. The pretreatment of the kitchen waste needs to adopt a solid-liquid separation technology, namely, liquid substances such as water, grease, organic matters and the like and solid waste residues are separated and separated, and then the separated liquid and solid are respectively treated.

A screw press is mostly adopted for carrying out solid-liquid separation on the kitchen waste slurry, and materials are extruded to press out moisture in the kitchen waste slurry in the conveying process through a screw blade of a main shaft. When the amount of kitchen waste is less or the kitchen waste feed rate is slower, then can be directly released under the extrusion spiral effect after advancing into the dewatering cylinder, lead to effectively realizing extruded purpose, and then make the dewatering effect ideal inadequately. For improving dehydration effect, adopt adjustable pre-compaction and hydraulic extrusion structural style to improve its extrusion force, can adjust the extrusion force according to the difference of kitchen garbage dehydration moisture content, the backpressure pressure of pressing the awl is realized through the elasticity of spring, can lead to elastic failure under the long-term operation, and then reduces equipment treatment effeciency, in addition, equipment extrusion pressure's regulation needs manual regulation, unable automatic control material moisture content. Secondly, the components of the food waste are very complex, and unstable dehydration is easily caused. Moreover, the single-cylinder screw extrusion dehydration cannot improve the processing capacity of the equipment.

Disclosure of Invention

The utility model aims at providing a rational in infrastructure, improve handling capacity and dehydration rate, and the dehydration is stable, the convenient kitchen garbage screw extrusion hydroextractor of maintaining.

The utility model discloses a reach above-mentioned purpose technical scheme and be: the utility model provides a kitchen garbage screw extrusion hydroextractor, includes the frame, installs the main shaft of straining a section of thick bamboo and taking helical blade in the frame, installs the housing in the frame to and be used for driving main shaft pivoted motor, still be connected with the liquid phase in the frame and connect silo and solid-phase to connect the silo and be located respectively strain a section of thick bamboo bottom and strain the discharge gate bottom of a section of thick bamboo, its characterized in that: two detachable circular filter cylinders are mounted on the frame, two outlets of a hopper at the front side of the housing are respectively connected and communicated with inlets of the two filter cylinders, two main shafts are correspondingly arranged in the filter cylinders, two motors are connected with one end of the corresponding main shaft through output shafts of respective speed reducers, the output shaft of the speed reducer is mounted on a front bearing seat through a bearing, and the main shaft extends out of the filter cylinders and is mounted on a rear bearing seat through a bearing; the rear bearing block is connected with the solid slag discharging mechanism, the solid slag discharging mechanism comprises an air spring support, a conical disc, an air bag, a plurality of push rods and springs, the conical disc is sleeved on the main shaft and can axially move, the air bag is used for driving the conical disc to axially move, the air spring support is U-shaped and is installed on the rack, a front plate of the air spring support is detachably connected with the rear bearing block, the front end of each push rod is connected with the conical disc, the rear end of each push rod penetrates through the front plate on the air spring support and is connected with a top plate, the springs sleeved on the push rods are propped against the front plate and the top plate, two ends of the air bag are respectively connected with the push plates and the rear plate of the air spring support, and when the air bag is not compressed, the conical surface of the conical disc blocks up at a discharge port of the filter cylinder.

The utility model discloses a kitchen garbage screw extrusion hydroextractor adopts two circular straining cylinders, can handle kitchen garbage simultaneously, increases substantially kitchen garbage's handling capacity, can lifting means's throughput to under the same handling capacity prerequisite, also can reduce the energy consumption. The utility model discloses a dismantled and assembled circular section of thick bamboo is strained, in the main epaxial helical blade effect pushes away to discharge gate one side down, can reduce the material to straining a jam phenomenon, it is convenient to maintain. The utility model discloses solid sediment row material mechanism that sets up at the rear portion of main shaft, install gasbag and a plurality of push rods on the air spring support, a plurality of push rod both ends are connected with conical disc and gasbag respectively, and the helical blade of main shaft is relative with the conical disc at the in-process of carrying kitchen garbage, the conical disc that makes withstand kitchen garbage provides the elasticity backpressure by gasbag and spring, extrude the kitchen garbage who strains in the section of thick bamboo, because the gasbag has better self-interacting function, the event can be to required pressure when the kitchen garbage automatically regulated of different components dewaters, obtain abundant extrusion to the material, realize solid-liquid separation, guarantee ejection of compact dryness fraction, can improve the dehydration rate.

Drawings

Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of the screw extrusion dehydrator of the present invention.

Fig. 2 is a side view schematic of the structure of fig. 1.

FIG. 3 is a schematic sectional view A-A of FIG. 1.

Fig. 4 is a schematic structural diagram of the spindle and the helical blade of the present invention.

Fig. 5 is a schematic sectional structure view of B-B of fig. 4.

Wherein: 1-motor, 2-front bearing seat, 3-housing, 3-1-hopper, 4-filter cylinder, 4-1-discharge port, 4-2 filter screen frame, 4-3 filter screen, 5-helical blade, 6-main shaft, 6-1-power coupling disk, 6-2-shaft head, 6-3-small shaft section, 6-4-conical shaft section, 6-5-large shaft section, 6-sealing plate, 6-7-rib plate, 7-frame, 7-1-support leg, 8-access window, 9-reducer, 9-1-output shaft, 10-solid phase material receiving tank, 11-conical disk, 12-rear bearing seat, 13-air bag, 14-liquid phase material receiving tank, 15-push rod, 16-guide sleeve, 17-spring, 18-top plate, 19-air spring support.

Detailed Description

As shown in the figures 1-3, the utility model discloses a kitchen garbage spiral extrusion hydroextractor, including frame 7, install a section of thick bamboo 4 and take helical blade 5 in frame 7 main shaft 6, install housing 3 in frame 7 to and be used for driving 6 pivoted motors 1 of main shaft. The utility model discloses a frame 7 is the frame shape frame, frame 7 is still fixed with a plurality of stabilizer blades 7-1, the convenient installation to the hydroextractor, still be connected with liquid phase on the frame 7 and connect silo 14 and solid phase to connect silo 10 and lie in respectively and strain 4 bottoms of a section of thick bamboo bottom and strain 4 discharge gate-1 bottoms of a section of thick bamboo, the liquid phase that will extrude the filtrating in the kitchen garbage and freely fall into the lower part through straining a filter hole of a section of thick bamboo 4 connects silo 14, and the solid phase garbage who stays after the extrusion and strain in a section of thick bamboo 4 then falls into solid phase through the discharge gate 4-1 of a section of thick bamboo 4 and connects the silo 10 and discharge. See fig. 1 and show, the utility model discloses the top surface and the front and back of housing 3 are equipped with a plurality of access windows, and a plurality of access windows 8 that can open are installed in each access window department, through a plurality of access windows 8, the maintenance and the maintenance in the equipment later stage of being convenient for.

As shown in figures 1-4, the utility model discloses installing two reassembling type circular filter cylinders 4 on the frame 7, two are strained a section of thick bamboo 4 and can be parallel arrangement, two exports of 3 front side hoppers 3-1 of housing communicate with each other with two access connection of straining a section of thick bamboo 4 respectively, send kitchen garbage to respectively straining a section of thick bamboo 4 through hopper 3-1 in, make two strain a section of thick bamboo 4 and carry out solid-liquid separation to kitchen garbage simultaneously and handle, increase substantially kitchen garbage's handling capacity, and under the prerequisite of the same handling capacity, also can reduce the energy consumption.

As shown in the figures 1-5, the utility model discloses two main shafts 6 correspond and set up in straining a section of thick bamboo 4 that corresponds, two motors 1 through respective output shaft 9-1 of reduction gear 9 with correspond main shaft 6 one end and be connected, the output shaft 9-1 of reduction gear 9 is installed on front axle bearing 2 through the bearing, the main shaft 6 other end stretches out and strains a section of thick bamboo 4 and install on rear axle bearing 12 through the bearing, front axle bearing 2 and rear axle bearing 12 are all installed in frame 7, motor 1 power is after reduction gear 9 slows down, drive main shaft 6 is rotatory, make helical blade 5 with kitchen garbage to straining a discharge gate 4-1 of 4 transport, extrude kitchen garbage and carry out dehydration under the effect of row material mechanism of solid sediment.

As shown in figures 1 and 3-5, the main shaft 6 of the utility model comprises a hollow shaft, a power coupling disk 6-1 fixed at the front end of the hollow shaft and a shaft head 6-2 at the rear part, wherein the power coupling disk 6-1 is connected with an end face connection disk on an output shaft of a speed reducer through a fastener, and the shaft head 6-2 is arranged on a rear bearing seat 12 through a bearing. As shown in figures 4 and 5, the hollow shaft of the utility model comprises a small shaft section 6-3 at the front part, a big shaft section 6-5 at the rear part and a conical shaft section 6-4 between the small shaft section 6-3, wherein a bearing plate is fixed at the small shaft section 6-3, so that the front end of the helical blade 5 is connected with the bearing plate, the length of the small shaft section 6-3 is less than the length of the filter screen unit, and the length of the conical shaft section 6-4 is greater than the sum of the length of the small shaft section 6-3 and the length of the big shaft section 6-5, so as to prolong the service life, the utility model discloses the wear-resistant layer is welded at the helical blade 5. As shown in figures 4 and 5, the shaft head 6-2 of the utility model is fixed on the large shaft section 6-5 through two seal plates 6-6, and a plurality of rib plates 6-7 are connected between the shaft head 6-2 and the large shaft section 6-5, and a plurality of rib plates 6-7 are uniformly distributed on the shaft head 6-2, so that the main shaft 6 has better strength.

As shown in the figures 1 and 3, the filter cartridge 4 of the present invention comprises a plurality of semicircular filter screen units assembled together, each filter screen unit comprises a semicircular filter screen frame 4-2 and a filter screen 4-3 arranged in the filter screen frame 4-2 and capable of being replaced, the filter screen 4-3 can be mounted on the filter screen frame 4-2 by fasteners or clamping connection, the spindle does not need to be disassembled, and the worn filter screen 4-3 can be replaced regularly to maintain the draining performance. As shown in figure 3, the utility model discloses filter screen frame 4-2 has the flange of plane flange and both ends outwards turned, the flange of adjacent filter screen frame 4-2 is connected with the fastener, the lower flange of front end filter screen frame 4-2 and the lower flange of rear end filter screen frame 4-2 are connected with the fastener for frame 7, its flange of plane of filter screen frame 4-2 of lock passes through the fastener to be connected from top to bottom, the export end flange of hopper 3-1 is connected with the flange of plane on the filter screen frame 4-2, make and strain a section of thick bamboo 4 and not only can bear great squeezing force, and the modularization installation also improves and strains a section of thick bamboo 4 dismouting efficiency, has better maintainability.

As shown in figure 3, the rear bearing seat 12 of the utility model is connected with a solid slag discharging mechanism, the solid slag discharging mechanism comprises an air spring support 19, a conical disc 11 which is sleeved on a main shaft 6 and can move axially, an air bag 13 which is used for driving the conical disc 11 to move axially, a plurality of push rods 15 and springs 17, the conical surface of the conical disc 11 is opposite to a discharge port 4-1 of a filter cartridge 4, in order to improve the working period, a wear-resistant sleeve is fixed in the conical disc 11, or the rear side of the main shaft 6 is provided with a wear-resistant layer, the air spring support 19 of the utility model is U-shaped and is arranged on a frame 7, the front plate of the air spring support 19 is detachably connected with the rear bearing seat 12, the rear bearing seat 12 is arranged on the front plate through fasteners, the front end of each push rod 15 is connected with the conical disc 11, the rear end passes through the front plate on the air spring support 19 and is connected with a top plate 18, the springs 17 sleeved on each push rod 15 are pressed against the front plate and the top plate 18, gasbag 13 both ends are connected with push pedal and gas spring support 19's back plate respectively, and gasbag 13 when not compressed, and the discharge gate department of straining a section of thick bamboo 4 is blocked up to the conical surface of conical disk 11, the utility model discloses a gasbag 13 adopts the ripple gasbag, because the discharge gate 4-1 of straining a section of thick bamboo 4 carries out the shutoff by conical disk 11 and produces the backpressure, and backpressure pressure adjusts through gasbag 13 pressure, strains 4 exit ends of a section of thick bamboo and all is pushed up by the pressure awl, can realize throughput and squeeze the quality and do not influence each other, because gasbag 13 has better suitability, so can be to the different components of material and can form different backpressures, can ensure the invariant of ejection of compact quality.

See fig. 3, the utility model discloses the screw thread of 15 front sides of push rod connects soon on conical disk 11, and the rear side of push rod 15 is equipped with shaft shoulder and draw-in groove, is equipped with the mounting hole that corresponds on roof 18, and the mounting hole suit of roof 18 is spacing on push rod 15 and by push rod 15's shaft shoulder, and the jump ring is installed and is connected roof 18 and push rod 15 in the draw-in groove, can install and remove the convenience.

See fig. 3, the utility model discloses a make the better steady reciprocating motion of push rod 15 ability, install on the front bezel with the corresponding guide pin bushing 16 of push rod 15, be equipped with flange on the guide pin bushing 16 to install on the front bezel through the fastener, guide pin bushing 16 extends around along the front bezel, push rod 15 sets up in guide pin bushing 16, and spring 17's both ends push up respectively on guide pin bushing 16 and roof 18.

As shown in figures 1-3, when the kitchen waste dewatering device works, kitchen waste to be dewatered enters two filter cylinders 4 through a hopper 3-1, two motors 1 are started, respective main shafts 6 are driven to rotate through corresponding reducers 9, the kitchen waste is continuously pushed to a discharge port 4-1 end through helical blades, the discharge port 4-1 of each filter cylinder 4 is plugged by a conical disc 11 to generate back pressure, water in the kitchen waste enters a liquid phase receiving groove 14 through filter holes in the moving process and is sent to a subsequent treatment process, the conical disc 11 is pushed open only when the pressure of the kitchen waste squeezing exceeds the back pressure of the conical disc 11, an air bag 13 and a spring 17 are compressed, the dewatered kitchen waste is discharged from the discharge port 4-1 and falls into a solid phase receiving groove 10 at the lower part, and when the pressure applied to the air bag 13 disappears, the air bag 13 is recovered, the pushing conical disc 11 blocks the discharge port 4-1 of the filter cartridge 4.

Claims (9)

1. The utility model provides a kitchen garbage screw extrusion hydroextractor, includes the frame, installs the main shaft of straining a section of thick bamboo and taking helical blade in the frame, installs the housing in the frame to and be used for driving main shaft pivoted motor, still be connected with the liquid phase in the frame and connect silo and solid-phase to connect the silo and be located respectively strain a section of thick bamboo bottom and strain the discharge gate bottom of a section of thick bamboo, its characterized in that: two detachable circular filter cylinders are mounted on the frame, two outlets of a hopper at the front side of the housing are respectively connected and communicated with inlets of the two filter cylinders, two main shafts are correspondingly arranged in the filter cylinders, two motors are connected with one end of the corresponding main shaft through output shafts of respective speed reducers, the output shaft of the speed reducer is mounted on a front bearing seat through a bearing, and the main shaft extends out of the filter cylinders and is mounted on a rear bearing seat through a bearing; the rear bearing block is connected with the solid slag discharging mechanism, the solid slag discharging mechanism comprises an air spring support, a conical disc, an air bag, a plurality of push rods and springs, the conical disc is sleeved on the main shaft and can axially move, the air bag is used for driving the conical disc to axially move, the air spring support is U-shaped and is installed on the rack, a front plate of the air spring support is detachably connected with the rear bearing block, the front end of each push rod is connected with the conical disc, the rear end of each push rod penetrates through the front plate on the air spring support and is connected with a top plate, the springs sleeved on the push rods are propped against the front plate and the top plate, two ends of the air bag are respectively connected with the push plates and the rear plate of the air spring support, and when the air bag is not compressed, the conical surface of the conical disc blocks up at a discharge port of the filter cylinder.

2. The kitchen waste screw extrusion dehydrator of claim 1, wherein: the main shaft comprises a hollow shaft, a power coupling disc and a shaft head, the power coupling disc is fixed at the front end of the hollow shaft, the shaft head is fixed at the rear end of the hollow shaft, the power coupling disc is connected with an end face connecting disc on an output shaft of the speed reducer through a fastener, the shaft head is mounted on a rear bearing seat through a bearing, the hollow shaft comprises a small shaft section at the front part, a large shaft section at the rear part and a conical shaft section between the small shaft section and the large shaft section, a supporting plate is fixed on the small shaft section, the front end of a helical blade fixed on the hollow shaft is connected with the supporting plate, the shaft head is fixed on the large shaft section through a sealing plate and extends out of the large shaft section, and a plurality of rib plates are connected between the shaft head and the large shaft section.

3. The kitchen waste screw extrusion dehydrator of claim 1, wherein: the filter cartridge comprises a plurality of semicircular filter screen units which are assembled to form, each filter screen unit comprises a semicircular filter screen frame and a filter screen which can be replaced in the filter screen frame, each filter screen frame is provided with a plane flange and a side flange which is turned outwards at two ends, the side flanges of the adjacent filter screen frames are connected through fasteners, the lower side flange of the front end filter screen frame and the lower side flange of the rear end filter screen frame are connected with the frame through fasteners, the plane flanges of the upper and lower buckled filter screen frames are connected through fasteners, and the flanges of the outlet ends of the hopper are connected with the plane flanges of the respective front end filter screen frames.

4. The kitchen waste screw extrusion dehydrator of claim 1, wherein: and the spiral blades are welded with wear-resistant layers.

5. The kitchen waste screw extrusion dehydrator of claim 1, wherein: the thread of the front side of the push rod is screwed on the conical disc, the rear side of the guide rod is provided with a shaft shoulder and a clamping groove, the top plate is provided with a corresponding mounting hole, the mounting hole of the top plate is sleeved on the push rod and limited by the shaft shoulder of the push rod, and the shaft is mounted in the clamping groove by a clamp spring to connect the top plate with the push rod.

6. The kitchen waste screw extrusion dehydrator according to claim 1 or 5, wherein: a wear-resistant sleeve is fixed in the conical disc, or a wear-resistant layer is arranged on the rear side of the main shaft.

7. The kitchen waste screw extrusion dehydrator of claim 1, wherein: the rear bearing seat is arranged on the front plate through a fastener, a guide sleeve corresponding to the push rod is arranged on the front plate, the guide sleeve extends forwards and backwards along the front plate, the push rod is arranged in the guide sleeve, and two ends of the spring respectively abut against the guide sleeve and the top plate.

8. The kitchen waste screw extrusion dehydrator of claim 1, wherein: the air bag is a corrugated air bag.

9. The kitchen waste screw extrusion dehydrator of claim 1, wherein: the top surface and the front and back of housing are equipped with a plurality of access windows, and a plurality of access windows that can open are installed at each access window department.

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