CN214646115U - Movable screen type screw press dehydrator - Google Patents

Abstract

The utility model provides a hydroextractor is pressed to portable screen cloth formula spiral shell, include: the device comprises a main shaft, a screen assembly, a backpressure mechanism, a rack, a speed reducer and a feeding hole; the screen assembly is sleeved on the periphery of the main shaft, and a gap for conveying garbage is formed between the screen assembly and the periphery of the main shaft; the back pressure mechanism is fixedly arranged at the rear end of the screen assembly; the screen assembly and the backpressure mechanism form a unit which can move axially relative to the main shaft. The utility model discloses in, the position of screen cloth and back clamp plate is adjustable, according to the state of on-the-spot material and the position of the dehydration treatment effect adjustment screen cloth that needs reached and back clamp plate, and then adjusts the moisture content of material, can improve kitchen garbage's throughput and treatment effect effectively.

Description

Movable screen type screw press dehydrator

Technical Field

The utility model belongs to the technical field of the environmental protection, concretely relates to hydroextractor is pressed to portable screen cloth formula spiral shell.

Background

Kitchen waste, commonly known as swill, is waste formed in the process of living consumption of residents, is extremely easy to rot and deteriorate, emits stink, and spreads bacteria and viruses. The main components of the kitchen waste comprise residues of rice and flour food, vegetables, animal and vegetable oil, meat and bones and the like.

The kitchen waste has high water content and high oil content and is easy to decay, so the kitchen waste needs to be treated, and the harm to the environment is reduced. The core of the kitchen waste treatment is how to effectively separate solid phase from liquid phase of the kitchen waste so as to reduce the water content of the kitchen waste, and the obtained solid phase is treated for anaerobic fermentation, incineration, feed making or fertilizer making and other purposes.

At present, the following problems mainly exist in equipment for dehydrating kitchen waste:

the dehydration rate of the kitchen waste dehydration treatment equipment cannot be adjusted, so that the same kitchen waste dehydration treatment equipment cannot be efficiently applied to different materials, and the application range of the kitchen waste dehydration treatment equipment is limited.

SUMMERY OF THE UTILITY MODEL

The defect to prior art exists, the utility model provides a portable screen formula spiral shell presses hydroextractor can effectively solve above-mentioned problem.

The utility model adopts the technical scheme as follows:

the utility model provides a hydroextractor is pressed to portable screen cloth formula spiral shell, include: the screen cloth comprises a main shaft (1), a screen cloth component (2), a backpressure mechanism (3), a rack (4), a speed reducer (5) and a feeding hole (6);

the main shaft (1) is horizontally arranged on the rack (4), the front end of the main shaft (1) extends into the feed inlet (6), the rear end of the main shaft (1) is linked with the speed reducer (5), and the main shaft (1) is driven to rotate through the speed reducer (5); the screen assembly (2) is sleeved on the periphery of the main shaft (1), and a gap for conveying garbage is formed between the screen assembly (2) and the periphery of the main shaft (1); the back pressure mechanism (3) is fixedly arranged at the rear end of the screen assembly (2); the screen assembly (2) and the backpressure mechanism (3) form a whole body which can move axially relative to the main shaft (1).

Preferably, the main shaft (1) is divided into three sections, including a front section, a middle section and a rear section; the front section and the rear section are in straight barrel shapes, the middle section is in a cone shape from front to back, and the diameter of the middle section is gradually increased;

the outer wall of the main shaft (1) is provided with helical blades (11) along the axis direction.

Preferably, the helical blade (11) is provided at the front end positions of the front, middle, and rear sections of the main shaft (1).

Preferably, a front end flange connecting plate (12) is arranged on the front end face of the main shaft (1), and a rear end flange connecting plate (13) is arranged on the rear end face of the main shaft (1); the front end flange connecting plate (12) is connected with the front end supporting shaft (9), and the rear end flange connecting plate (13) is connected with an output shaft (10) of the speed reducer (5).

Preferably, the front end support shaft (9) is arranged in the front end bearing seat (7); the output shaft (10) is arranged in the rear end bearing seat (8).

Preferably, the screen assembly (2) is a cylindrical tubular structure which is hollow inside and provided with two open ends, and the screen assembly (2) is arranged on the guide shaft (23) so that the screen assembly (2) can move.

Preferably, the front end and the rear end of the main shaft (1) extend out of the screen assembly (2); when the screen assembly (2) and the backpressure mechanism (3) move, the distance from the backpressure mechanism (3) to the tail end of the spiral blade (11) is adjusted, so that the extrusion space of materials is changed, and the dehydration rate is adjusted.

Preferably, the screen assembly (2) comprises an upper screen assembly (21) and a lower screen assembly (22) which are buckled with each other; the upper screen assembly (21) and the lower screen assembly (22) are both semicircular;

the upper screen assembly (21) and the lower screen assembly (22) each comprise: an inner screen (221) and an outer screen (222); the inner screen (221) and the outer screen (222) are secured together.

Preferably, the back pressure mechanism (3) comprises a collar (33), a back pressure plate (32) and a pneumatic spring (31);

the collar (33) is fixed to the rear end of the screen assembly (2); the lantern ring (33) is sleeved outside the main shaft (1), and a gap exists between the inner side of the lantern ring (33) and the periphery of the main shaft (1); the inner side of the collar (33) is hinged with a plurality of back pressure plates (32) along the circumferential direction, and each back pressure plate (32) is connected with the pneumatic spring (31); the back pressure plate (32) is positioned at a closed position through the force of the pneumatic spring (31), and a gap between the collar (33) and the main shaft (1) is further closed; under the action of external force, the force of the pneumatic spring (31) is overcome, the back pressure plate (32) is rotated, the back pressure plate (32) is located at an opening position, and a gap between the lantern ring (33) and the main shaft (1) is opened.

Preferably, the device also comprises a diversion trench (41);

the diversion trench (41) is located below the feed port (6) and the screen assembly (2).

The utility model provides a portable screen formula spiral shell presses hydroextractor has following advantage:

the utility model provides a portable screen formula spiral shell presses hydroextractor, the position of screen cloth and back of the body clamp board is adjustable, according to the state of on-the-spot material and the position of the dehydration treatment effect adjustment screen cloth that needs reach and back of the body clamp board, and then adjusts the moisture content of material, can improve kitchen garbage's throughput and treatment effect effectively.

Drawings

Fig. 1 is a schematic view of the internal structure of the movable screen type screw press dehydrator provided by the present invention;

FIG. 2 is a schematic view of the external structure of the movable screen type screw press dehydrator provided by the present invention;

fig. 3 is a perspective view of the back pressure mechanism provided by the present invention;

fig. 4 is a perspective view of a lower screen assembly provided by the present invention;

fig. 5 is a perspective view of the spindle according to the present invention.

Wherein:

1-a main shaft; 11-helical blades; 12-a front flange connection plate; 13-rear flange connection plate;

2-a screen assembly; 21-an upper screen assembly; 221-inner screen mesh; 222-outer layer screen; 22-a lower screen assembly; 23-a guide shaft;

3-a back pressure mechanism; 31-a pneumatic spring; 32-a back press plate; 33-a collar;

4-a frame; 41-a flow guide groove;

5-a speed reducer; 6-a feed inlet; 7-front bearing seat; 8-rear bearing block; 9-front end support shaft; 10-output shaft.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The utility model provides a portable screen formula spiral shell presses hydroextractor, refer to fig. 1 and fig. 2, include: the device comprises a main shaft 1, a screen assembly 2, a backpressure mechanism 3, a frame 4, a speed reducer 5 and a feeding hole 6.

The main shaft 1 is horizontally arranged on the rack 4, two ends of the main shaft 1 extend out of the screen assembly 2, the front end of the main shaft 1 extends into the feed inlet 6, the rear end of the main shaft 1 is linked with the speed reducer 5, and the main shaft 1 is driven to rotate through the speed reducer 5; the screen assembly 2 is sleeved on the periphery of the main shaft 1, and a gap for conveying garbage is formed between the screen assembly 2 and the periphery of the main shaft 1; a back pressure mechanism 3 is fixedly arranged at the rear end of the screen assembly 2; the screen assembly 2 and the backpressure means 3 form a unit which is axially displaceable relative to the main shaft 1.

Therefore, when the whole formed by the screen assembly 2 and the backpressure mechanism 3 moves axially, the distance from the backpressure mechanism 3 to the tail end of the spiral blade 11 of the main shaft 1 is adjusted, the extrusion space of materials is changed, and the dehydration rate is adjusted. Therefore, according to the characteristics of different materials, the dehydration rate can be flexibly adjusted, and the effect of effectively dehydrating various materials is realized. Has the advantage of wide application range.

The following details the main components:

a main shaft 1

In a specific implementation, referring to fig. 5, the main shaft 1 is divided into three sections, including a front section, a middle section and a rear section; the front section and the rear section are in a straight barrel shape, the middle section is in a cone shape from front to back, and the diameter of the middle section is gradually increased; in addition, the main shaft 1 is hollow inside.

The outer wall of the main shaft 1 is provided with helical blades 11 along the axial direction thereof, and the helical blades 11 can be blades with a constant pitch. The helical blade 11 can be made of 304 stainless steel, and a wear-resistant layer is deposited on the contact surface.

The helical blades 11 are provided at the front end positions of the front, middle, and rear sections of the main shaft 1.

The front end of the main shaft 1 is arranged at the same side with the feed inlet 6, a certain material moving gap is formed between the main shaft 1 and the screen assembly 2, the middle section of the main shaft 1 is provided with a certain taper, so that the material moving gap between the main shaft 1 and the screen assembly 2 is gradually narrowed from the front end to the rear end of the main shaft, the extrusion force applied to the material is larger and larger, water, oil and small granular substances in the material are extruded to flow out through the screen assembly 2, and solid-liquid separation is realized.

In a specific assembly mode, a front end flange connecting plate 12 is arranged on the front end face of the main shaft 1, and a rear end flange connecting plate 13 is arranged on the rear end face of the main shaft 1; the front end flange connecting plate 12 is connected with the front end supporting shaft 9, and the rear end flange connecting plate 13 is connected with the output shaft 10 of the speed reducer 5. Wherein, the front end supporting shaft 9 is arranged in the front end bearing seat 7; the output shaft 10 is mounted in the rear bearing block 8.

(II) Screen Assembly 2

Screen assembly 2 is the cylindrical tubular structure of inside cavity and the uncovered setting in both ends, and screen assembly 2 overlaps in its periphery with main shaft 1 coaxial, has certain clearance between 2 inner walls of screen assembly and the 1 periphery of main shaft. Specifically, the gap between the inner wall of the inner screen 221 and the outer periphery of the main shaft 1 may be 1-4 mm. The concrete can be adjusted according to the actual situation.

The screen assembly 2 is mounted on a guide shaft 23 so that the screen assembly 2 is moveable. In addition, the front end and the rear end of the main shaft 1 extend out of the screen assembly 2; when the screen assembly 2 and the backpressure mechanism 3 move, the distance from the backpressure mechanism 3 to the tail end of the spiral blade 11 is adjusted, the axial overlapping length of the screen assembly 2 and the spiral blade 11 is further changed, the extrusion space of materials is changed, and the dehydration rate is adjusted.

In practical application, referring to fig. 2, the screen assembly 2 includes an upper screen assembly 21 and a lower screen assembly 22 which are fastened to each other; the upper screen assembly 21 and the lower screen assembly 22 are both semicircular;

the upper screen assembly 21 and the lower screen assembly 22 each include: referring to fig. 4, an inner screen 221 and an outer screen 222; the inner screen 221 and the outer screen 222 may be secured together by spot welding. The entire screen assembly 2 is mounted on a guide shaft 23.

The inner screen 221 of the screen assembly is coaxially installed with the main shaft 1, and the inner screen 221 and the outer screen 222 are both made of 304 stainless steel. The size of the sieve holes on the mesh screen can be set according to specific conditions so as to better meet the actual requirements.

(III) Back pressure mechanism 3

Referring to fig. 3, the back pressure mechanism 3 includes a collar 33, a back pressure plate 32, and a pneumatic spring 31;

collar 33 is fixed to the rear end of screen assembly 2; the lantern ring 33 is sleeved outside the main shaft 1, and a gap is formed between the inner side of the lantern ring 33 and the periphery of the main shaft 1; a plurality of back pressure plates 32 are hinged on the inner side of the lantern ring 33 along the circumferential direction, and each back pressure plate 32 is connected with the pneumatic spring 31; the back pressure plate 32 is positioned at the closing position by the force of the pneumatic spring 31, and the gap between the lantern ring 33 and the main shaft 1 is further closed; under the action of external force, the back pressure plate 32 is rotated against the force of the pneumatic spring 31, so that the back pressure plate 32 is positioned at the opening position, and the gap between the collar 33 and the main shaft 1 is opened.

In practical application, as shown in the figure, the backpressure mechanism 3 is correspondingly attached to one end of the screen assembly 2; eight pneumatic springs 31 are provided on the back pressure mechanism 3, and the pneumatic springs 31 push the back pressure plate 32.

The principle is as follows: the screen assembly 2 is erected on the guide shaft 23, the position of the screen assembly 2 can be adjusted on the guide shaft 23, and the screen assembly 2 and the backpressure mechanism 3 are fixed, so that the position of the backpressure mechanism 3 is finally adjusted, the distance from the backpressure plate 32 to the tail end of the helical blade 11 is changed, and the extrusion space of materials is changed. When the distance is adjusted, the overlapping length of the screen assembly and the helical blade in the axial direction is larger, so that the extrusion space of the material is enlarged, the dehydration rate is improved, and the method is suitable for dehydrating garbage with higher water content; on the contrary, when this distance was increaseed, it is less with helical blade at axial coincidence length to represent screen assembly to reduced the extrusion space of material, be applicable to and carry out dehydration to the rubbish that the moisture content is lower. Therefore, the adjustment of the dryness of the solid-phase material is realized by adjusting the position of the screen assembly 2.

(IV) guide groove 41

Referring to fig. 1, a diversion trench 41 is arranged on the frame 4; the channels 41 are located below the feed inlet 6 and the screen assembly 2. The filtrate filtered and separated by the screen assembly 2 flows into the diversion trench 41 through the screen assembly 2 and is finally collected in the corresponding device.

The utility model provides a hydroextractor is pressed to portable screen cloth formula spiral shell, its theory of operation is:

feed inlet 6 sets up on front end bearing frame 7, the both ends of screen assembly 2 are stretched out respectively to the front end and the rear end of main shaft 1, feed inlet 6 corresponds the front end of main shaft 1, the material gets into the dehydration separation machine from feed inlet 6, speed reducer 5 drives the main shaft 1 rotation, helical blade 11 drive material moves to the rear end 13 of main shaft 1, the material passes through the clearance between main shaft 1 and the screen assembly 2, because the clearance diminishes gradually, thereby constantly extrude the material, make the material change the pressurized and carry out solid-liquid separation, water in the material, oil and small particle material flow out through screen assembly, and flow into in the filtrating collecting device from the guiding gutter. Surplus large granule material can not flow through screen assembly 2, along with helical blade 11's thrust continues previous motion, after the clearance between screen assembly and the main shaft, the material contacts with backpressure board 32, along with helical blade 11's continuation rotation, the extrusion force that the material received is bigger and bigger, the moisture content of material is littleer and more, when reaching the certain degree, the extrusion force of material is greater than the pneumatic spring's that backpressure board 32 received pressure, thereby back pressure board 32 is backed up open, and discharge, accomplish the solid-liquid separation of material.

The moisture content of the material can be adjusted by a pneumatic spring 31 connected to a back pressure plate 32. The magnitude of the pressure applied to the back pressure plate 32 is changed by adjusting the magnitude of the air pressure input to the air spring 31.

The utility model provides a pair of special dehydration separating centrifuge of kitchen garbage processing has following advantage:

(1) the positions of the screen and the back pressing plate are adjustable, the positions of the screen and the back pressing plate are adjusted according to the state of the on-site materials and the dehydration treatment effect required to be achieved, the water content of the materials is further adjusted, and the treatment capacity and the treatment effect of the kitchen waste can be effectively improved.

(2) Through the cooperation of helical blade and screen assembly, effectively improve the separation effect of solid phase and liquid phase, have the characteristics that separation efficiency is high, be applicable to very much the kitchen garbage and handle.

(3) The back pressure plate is driven by a pneumatic spring, the pressure can be changed by adjusting the input air pressure, the adjustment is simple and convenient, and the adjustment of the water content in the discharged material is realized.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be viewed as the protection scope of the present invention.

Claims (10)

1. The utility model provides a portable screen formula screw press hydroextractor which characterized in that includes: the screen cloth comprises a main shaft (1), a screen cloth component (2), a backpressure mechanism (3), a rack (4), a speed reducer (5) and a feeding hole (6);

the main shaft (1) is horizontally arranged on the rack (4), the front end of the main shaft (1) extends into the feed inlet (6), the rear end of the main shaft (1) is linked with the speed reducer (5), and the main shaft (1) is driven to rotate through the speed reducer (5); the screen assembly (2) is sleeved on the periphery of the main shaft (1), and a gap for conveying garbage is formed between the screen assembly (2) and the periphery of the main shaft (1); the back pressure mechanism (3) is fixedly arranged at the rear end of the screen assembly (2); the screen assembly (2) and the backpressure mechanism (3) form a whole body which can move axially relative to the main shaft (1).

2. A movable screen-type screw press dehydrator according to claim 1, wherein said main shaft (1) is divided into three sections, comprising a front section, a middle section and a rear section; the front section and the rear section are in straight barrel shapes, the middle section is in a cone shape from front to back, and the diameter of the middle section is gradually increased;

the outer wall of the main shaft (1) is provided with helical blades (11) along the axis direction.

3. A movable screen-type screw press dehydrator according to claim 2, wherein said screw blades (11) are provided at front end positions of a front section, a middle section and a rear section of said main shaft (1).

4. The movable screen-type screw press dehydrator according to claim 2, wherein a front end flange connecting plate (12) is arranged on the front end surface of the main shaft (1), and a rear end flange connecting plate (13) is arranged on the rear end surface of the main shaft (1); the front end flange connecting plate (12) is connected with the front end supporting shaft (9), and the rear end flange connecting plate (13) is connected with an output shaft (10) of the speed reducer (5).

5. A movable screen-type screw press dehydrator according to claim 4, wherein said front support shaft (9) is mounted in a front bearing housing (7); the output shaft (10) is arranged in the rear end bearing seat (8).

6. A movable screen-type screw press dehydrator according to claim 1, wherein said screen assembly (2) is in a cylindrical structure with hollow inside and open ends, said screen assembly (2) being mounted on a guide shaft (23) to make said screen assembly (2) movable.

7. A movable screen-type screw press dehydrator according to claim 2, wherein the front end and the rear end of the main shaft (1) are both arranged to extend out of the screen assembly (2); when the screen assembly (2) and the backpressure mechanism (3) move, the distance from the backpressure mechanism (3) to the tail end of the spiral blade (11) is adjusted, so that the extrusion space of materials is changed, and the dehydration rate is adjusted.

8. A movable screen-type screw press dehydrator according to claim 1, wherein said screen assembly (2) comprises an upper screen assembly (21) and a lower screen assembly (22) snap-fitted to each other; the upper screen assembly (21) and the lower screen assembly (22) are both semicircular;

the upper screen assembly (21) and the lower screen assembly (22) each comprise: an inner screen (221) and an outer screen (222); the inner screen (221) and the outer screen (222) are secured together.

9. A movable screen-type screw press dewaterer according to claim 1, characterized in that the back pressure mechanism (3) comprises a collar (33), a back pressure plate (32) and a pneumatic spring (31);

the collar (33) is fixed to the rear end of the screen assembly (2); the lantern ring (33) is sleeved outside the main shaft (1), and a gap exists between the inner side of the lantern ring (33) and the periphery of the main shaft (1); the inner side of the collar (33) is hinged with a plurality of back pressure plates (32) along the circumferential direction, and each back pressure plate (32) is connected with the pneumatic spring (31); the back pressure plate (32) is positioned at a closed position through the force of the pneumatic spring (31), and a gap between the collar (33) and the main shaft (1) is further closed; under the action of external force, the force of the pneumatic spring (31) is overcome, the back pressure plate (32) is rotated, the back pressure plate (32) is located at an opening position, and a gap between the lantern ring (33) and the main shaft (1) is opened.

10. A movable screen-type screw press dehydrator according to claim 1, further comprising a guiding gutter (41);

the diversion trench (41) is located below the feed port (6) and the screen assembly (2).

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