CN210119080U

CN210119080U - Food and beverage rubbish normal position dewatering device

Info

Publication number: CN210119080U
Application number: CN201920833603.8U
Authority: CN
Inventors: 韩泽东; 吴伟祥
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-02-28
Anticipated expiration: 2029-06-04

Abstract

The utility model discloses a food and beverage rubbish normal position dewatering device belongs to the refuse handling installation field. The device includes the cylinder box, is equipped with into discharge gate on the cylinder box, and the discharge gate links to each other with the dehydration filter screen device of arranging the inside of cylinder box in, and dehydration filter screen device's the other end links to each other with spin chuck, and spin chuck arranges in on the bearing box to link to each other with the driving motor who arranges the inside of bearing box in, bearing box and driving motor are fixed in cylinder bottom of the case portion. The utility model discloses a material realizes its high-efficient dehydration in the rotatory extrusion dehydration filter screen, can directly use in the production source of food and beverage rubbish such as restaurant, unit dining room.

Description

Food and beverage rubbish normal position dewatering device

Technical Field

The utility model relates to a refuse treatment equipment especially relates to a can be at food and beverage rubbish normal position dewatering device of direct dehydration processing food and beverage rubbish in the production source of food and beverage rubbish such as restaurant, unit dining room.

Background

Food waste is food residue and kitchen waste of restaurants, unit canteens and the like, and has high water content, so that the food waste is difficult to recycle and dispose. If the food waste can be directly dehydrated, namely dehydrated in situ, from the sources of food waste such as restaurants, unit dining halls and the like, the difficulty in recycling and disposing can be remarkably reduced, and the transportation and disposal costs can be greatly reduced. However, the food waste often contains hard impurities such as bones, shells, tableware and the like, so the food waste is crushed and purified before dehydration treatment, otherwise the dehydration effect is low, and even the dehydration equipment is failed, on the other hand, in places such as restaurants, unit dining halls and the like, the conditions for crushing and purifying the food waste are often not met due to site and manual limitation, and the method is a great obstacle for the in-situ dehydration of the food waste.

Disclosure of Invention

An object of the utility model is to provide a can effectively avoid food and beverage rubbish normal position dewatering device of hard impurity interference to solve above background art in the problem.

In order to achieve the above object, the utility model provides a following technical scheme:

an in-situ dehydrating device for food waste comprises a cylindrical box body, a dehydrating filter screen device, a rotating chuck, a bearing box body and a driving motor, wherein the dehydrating filter screen device, the rotating chuck, the bearing box body and the driving motor are arranged in the cylindrical box body; the top of the cylindrical box body is provided with a feed inlet and a discharge outlet, and the bottom of the cylindrical box body is provided with an oil discharge hose and a drainage pipeline; the bearing box body is arranged at the inner bottom of the cylindrical box body; a plane bearing is arranged on the top surface of the bearing box body, and a circular rotating chuck is horizontally arranged on the plane bearing; the driving motor is arranged in the airtight and watertight bearing box body, and a power output shaft of the driving motor extends out of the top of the bearing box body and is fixedly transmitted with the rotating center of the rotating chuck; a plurality of straight rails are circumferentially distributed on the upper surface of the rotating chuck, and each straight rail is arranged along the radial direction of the rotating chuck; each straight track is provided with a movable clamping jaw and a return spring, and the movable clamping jaw and the straight track form a sliding pair; the return spring is supported on the movable clamping jaw and is used for applying restoring force towards the circumferential direction of the rotating chuck to the movable clamping jaw; the dehydration filter screen device comprises an outer layer filter screen and an inner layer filter screen, wherein the bottom of the outer layer filter screen is fixed on a plurality of movable clamping jaws on the rotating chuck and is stretched and expanded by the movable clamping jaws; the inner filter screen is nested in the outer filter screen; the top of outer filter screen and inlayer filter screen all has the opening, and the opening edge is fixed in through fixed jack catch business turn over material mouthful on.

Preferably, the oil discharge hose extends into a liquid collection area at the bottom in the cylindrical box body, the tail end of the oil discharge hose is connected with an oil inlet funnel, and the density of the oil inlet funnel is between oil and water.

Preferably, the feed and discharge port is covered with a sealing cover in an openable and closable manner.

Preferably, the return spring is arranged in the straight track, and is in a compressed state, and the elastic direction of the return spring is the same as the straight track direction; the movable clamping jaws are positioned at the outermost ends of the straight rails far away from the axis of the rotating chuck at the balance positions which are not pulled by the dehydration filter screen device.

Preferably, the rotating chuck is provided with 6-10 straight rails, and all the straight rails are uniformly distributed along the circumferential direction of the rotating chuck.

Preferably, the side wall of the cylindrical box body is provided with a side door capable of opening and closing.

Preferably, the drainage pipeline is positioned at the lowest position of the bottom in the cylindrical box body.

Preferably, the movable jaws and the straight rail form a vertical limit therebetween, so that the movable jaws can only move horizontally along the straight rail, but cannot be separated from the spin chuck.

Preferably, the bottom of the cylindrical box body is provided with a balancing weight.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a food and beverage rubbish normal position dewatering device uses the filter screen as material storage container and pressure transmission medium, realizes its high-efficient dehydration through material in the rotatory extrusion filter screen, and the material need not broken in advance or edulcoration, can realize food and beverage rubbish's normal position dehydration, can practice thrift a large amount of transports, treatment cost, is favorable to food and beverage rubbish's utilization as a resource.

Drawings

FIG. 1 is an isometric view of an overall structure (not including a seal cover) according to an embodiment of the present invention

FIG. 2 is an isometric explosion diagram of the overall structure of an embodiment of the present invention

FIG. 3 is a schematic sectional view of the whole structure (front view direction) of the embodiment of the present invention

FIG. 4 is an isometric view of a spin chuck (with movable jaws attached) according to an embodiment of the present invention

Figure 5 is an isometric perspective view of a load bearing housing and drive motor according to an embodiment of the present invention

In the figure: the device comprises a cylindrical box body 1, a material inlet and outlet 11, an oil delivery hose 12, a drainage pipeline 13, a side door 14, a sealing cover 15, a dehydration filter screen device 2, an outer layer filter screen 21, an inner layer filter screen 22, a fixed clamping jaw 23, a movable clamping jaw 24, a rotating chuck 3, a straight track 31, a return spring 32, a bearing box body 4, a plane bearing 41 and a driving motor 5.

Detailed Description

The technical solution of the present invention will be described in detail below with reference to the embodiments of the present invention and the accompanying drawings, and the specific embodiments in the following description are only used for explaining the present invention, but not for limiting the present invention.

As shown in figures 1-5, the embodiment of the utility model provides a food and beverage rubbish normal position dewatering device, it includes cylinder box 1 and sets up in the inside dehydration filter screen device 2 of cylinder box 1, spin chuck 3, bearing box 4 and driving motor 5. The cylindrical box body 1 is used as the shell of the whole device, the top of the cylindrical box body is provided with a circular feed port 11 and a circular discharge port 11, and the bottom of the cylindrical box body is provided with an oil discharge hose 12 and a water discharge pipeline 13. The side wall of the cylindrical box body 1 is provided with an openable side door 14 so as to facilitate slag removal and maintenance of equipment, and the side door 14 should keep the airtightness when being closed to prevent the leakage of the liquid inside. The bottom of the cylindrical box body 1 can be provided with a balancing weight to enhance the stability of the cylindrical box body during dehydration.

The bearing box body 4 is arranged at the inner bottom of the cylindrical box body 1 and used for bearing upper load and installing the driving motor 5. The bearing box body 4 is in a frustum shape or a circular truncated cone shape, a plane bearing 41 is arranged on the top surface of the bearing box body, and the circular rotating chuck 3 is horizontally arranged on the plane bearing 41. The bearing box body 4 is internally provided with a cavity, the periphery of the cavity is sealed and watertight, and the driving motor 5 is arranged in the cavity of the bearing box body 4. The power output shaft of the driving motor 5 extends out of the top of the bearing box body 4 and is fixedly transmitted with the rotating center of the rotating chuck 3, and the rotating chuck 3 can rotate around the rotating center on the plane bearing 41 under the driving of the driving motor 5. The driving motor 5 may be a reduction motor capable of rotating forward and backward.

A plurality of straight rails 31 are circumferentially distributed on the upper surface of the spin chuck 3, and a total of 8 straight rails 31 are provided in the present embodiment. Each straight rail 31 is arranged in the radial direction of the spin chuck 3, and 8 straight rails 31 are equally angularly distributed in the circumferential direction of the spin chuck 3. Each straight rail 31 is provided with a movable jaw 24 and a return spring 32, and the movable jaw 24 and the straight rail 31 form a sliding pair, so that the movable jaw 24 can reciprocate along the straight rail 31. The return spring 32 is embedded in the straight rail 31, one end of the return spring 32 is supported on the movable claw 24, and the other end is supported on the end portion of the straight rail 31 near the axis, and the return spring is in a compressed state, and the elastic direction is the same as the direction of the straight rail 31. The restoring spring 32 applies a restoring force to the movable claws 24 in the circumferential direction of the spin chuck 3, and when the movable claws 24 are not subjected to an external force, the balance positions thereof under the spring force are located at the outermost ends of the straight rails 31 away from the axis of the spin chuck 3, and when the movable claws 24 are subjected to a pulling force toward the axis, they can move toward the axis against the spring force. A vertical limit should be formed between the movable jaw 24 and the straight rail 31, so that the movable jaw 24 can only move horizontally along the straight rail 31, but can not be separated from the spin chuck 3. In the present embodiment, the straight rail 31 penetrates the thickness direction of the spin chuck 3, and the bottom of the movable jaw 24 has two disks with a spacing slightly larger than the thickness of the spin chuck 3, the two disks are connected by a connecting rod, the connecting rod penetrates the straight rail 31, and the two disks are respectively tightly attached to two sides of the spin chuck 3, thereby forming a vertical limit. The return spring 32 acts on the connecting rod in the straight track 31.

The spin chuck 3 is a key component capable of forming a pressing force for dehydration, and another key component is the dehydration screen device 2. The dewatering screen device 2 comprises an outer screen 21 and an inner screen 22, the bottom of the outer screen 21 is fixed on 8 movable claws 24 on the rotating chuck 3, and the balance positions of the 8 movable claws 24 are close to the edge of the rotating chuck 3, so that the whole outer screen 21 is stretched and expanded by the movable claws 24 in an initial state. The inner screen 22 is nested in the outer screen 21 with its bottom not connected to the movable jaw 24. The top of the outer layer filter screen 21 and the inner layer filter screen 22 are both provided with openings, and the edges of the openings are both fixed on the material inlet and outlet 11 through the fixing claws 23. The inlet/outlet 11 may be covered with a sealing cover 15, and the sealing cover 15 should be non-fixed and capable of being opened and closed.

When the device is used, food waste to be dehydrated can be poured into the inner layer filter screen 22 of the dehydration filter screen device 2 through the material inlet and outlet 11, then the driving motor 5 drives the rotating chuck 3 to rotate around the rotating center, the tops of the outer layer filter screen 21 and the inner layer filter screen 22 are fixed in the rotating process, the bottom of the outer layer filter screen 21 rotates along with the rotation of the movable clamping jaw 24, therefore, the whole outer layer filter screen 21 and the whole inner layer filter screen 22 can be gradually twisted in a twist shape, the twisting can generate pulling force towards the axis of the movable clamping jaw 24, and the movable clamping jaw 24 can move towards the axis by overcoming the elastic force of the spring. Therefore, the volume of the dehydration filter screen device 2 is continuously reduced, and the moisture of the garbage in the dehydration filter screen device is extruded and discharged and accumulated in the water collection area at the bottom of the cylindrical box body 1.

The mesh sizes of the outer layer filter screen 21 and the inner layer filter screen 22 can be correspondingly adjusted according to the particle size of the dehydration target material so as to ensure that the material cannot leak out. Because the residue after dehydration is collected in the inner layer filter screen 22, after one dehydration is completed, the inner layer filter screen 22 can be directly replaced, the old inner layer filter screen 22 is taken down from the fixed clamping jaws 23, and then the new inner layer filter screen 22 is replaced for the next dehydration.

Since the food waste contains a large amount of grease, the grease needs to be separately recovered. Therefore, in this embodiment, the drainage pipe 13 is disposed at the lowest position of the inner bottom of the cylindrical box 1, and may be disposed on the side wall of the box or at the bottom of the box, as long as the accumulated water can be completely drained. However, the oil drain hose 12 is specially designed, specifically: the oil drain hose 12 is attached with a proper weight to balance the buoyancy of the part immersed in the waste water, the oil drain hose 12 extends into the liquid collecting area at the bottom in the cylindrical box 1 from the outside of the cylindrical box 1, and the tail end of the oil drain hose is connected with an oil inlet funnel, the density of the oil inlet funnel is between that of oil and water, so that the funnel can float at the oil-water interface, and the grease is drained as far as possible. Corresponding control valves are required to be arranged on the oil discharge hose 12 and the water discharge pipeline 13, and opening and closing control is carried out according to requirements.

Based on the food waste in-situ dehydration device, a food waste in-situ dehydration method can be provided, which comprises the following steps:

1) the drainage pipeline 13 is closed first, the food waste to be dehydrated is poured into the inner layer filter screen 22 of the dehydration filter screen device 2 from the material inlet and outlet 11, and the material inlet and outlet 11 is sealed by the sealing cover 15.

2) Starting the driving motor 5, and driving the rotating chuck 3 to rotate around a rotating center by the driving motor 5; the spin chuck 3 drives the dehydration filter screen device 2 to rotate, so that the tops of the outer layer filter screen 21 and the inner layer filter screen 22 are kept still, and the bottoms are twisted and rotated; the outer layer filter screen 21 exerts the pulling force towards the axle center of the rotating chuck 3 to the movable jack catch 24 in the twisting process, so that the movable jack catch 24 overcomes the resistance of the reset spring 32 along the straight track 31 and moves towards the axle center of the rotating chuck 3, the volume of the dehydration filter screen device 2 is continuously reduced, the garbage materials in the inner layer filter screen 22 are continuously extruded to realize the efficient dehydration, and the dehydrated water and grease are accumulated in the water collection area at the bottom of the cylindrical box body 1. In actual use, the accumulated water at the bottom is not higher than the height of the rotating chuck 3 as much as possible.

3) After the dehydration is finished, the dehydrated liquid is allowed to stand for a certain time in the water collecting area at the bottom of the cylindrical box body 1, so that oil-water stratification is realized. After the stratification, the grease is discharged and collected through the oil hose 12 by passing through an oil inlet funnel of the oil hose 12 floating at the oil-water interface.

4) After the grease is discharged, the drainage pipeline 13 is opened, and the waste water is discharged through the drainage pipeline 13.

5) Then the driving motor 5 is controlled to drive the rotating chuck 3 to rotate reversely to the initial position, the return spring 32 pushes the movable jaws 24 to return to the initial balance position, and the outer layer filter screen 21 is unfolded again.

6) Then the sealing cover 15 is opened, the dehydrated materials in the inner layer filter screen 22 and the inner layer filter screen 22 are taken out from the material inlet and outlet 11, and another new inner layer filter screen 22 is sleeved in the material inlet and outlet 11; and the next round of dehydration operation is resumed.

It should be understood that the above-described embodiments are illustrative of certain embodiments of the invention, and are not limiting of the particular forms of the invention, which are to be regarded as illustrative rather than restrictive, and that the scope of the invention is defined by the appended claims rather than by the foregoing description. For example, the number of straight tracks can be adjusted as desired. Accordingly, all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. The in-situ dehydrating device for the food wastes is characterized by comprising a cylindrical box body (1), and a dehydrating filter screen device (2), a rotating chuck (3), a bearing box body (4) and a driving motor (5) which are arranged in the cylindrical box body (1); the top of the cylindrical box body (1) is provided with a feed inlet and a discharge outlet (11), and the bottom of the cylindrical box body is provided with an oil discharge hose (12) and a drainage pipeline (13); the bearing box body (4) is arranged at the inner bottom of the cylindrical box body (1); a plane bearing (41) is arranged on the top surface of the bearing box body (4), and the circular rotating chuck (3) is horizontally arranged on the plane bearing (41); the driving motor (5) is arranged in the airtight and watertight bearing box body (4), and a power output shaft of the driving motor extends out of the top of the bearing box body (4) and is fixedly transmitted with the rotating center of the rotating chuck (3); a plurality of straight rails (31) are circumferentially distributed on the upper surface of the rotating chuck (3), and each straight rail (31) is arranged along the radial direction of the rotating chuck (3); each straight track (31) is provided with a movable jaw (24) and a return spring (32), and the movable jaw (24) and the straight track (31) form a sliding pair; the return spring (32) is supported on the movable clamping jaw (24) and is used for applying restoring force towards the circumferential direction of the rotating chuck (3) to the movable clamping jaw (24); the dehydration filter screen device (2) comprises an outer layer filter screen (21) and an inner layer filter screen (22), the bottom of the outer layer filter screen (21) is fixed on a plurality of movable clamping jaws (24) on the rotating chuck (3) and is stretched and expanded by the movable clamping jaws (24); the inner layer filter screen (22) is nested in the outer layer filter screen (21); the top of the outer layer filter screen (21) and the top of the inner layer filter screen (22) are both provided with openings, and the edges of the openings are fixed on the material inlet and outlet (11) through fixing claws (23).

2. The in-situ dehydrating device for food wastes as recited in claim 1, wherein the oil discharge hose (12) is extended into a liquid collecting area at the bottom of the cylindrical box body (1), and the tail end of the oil discharge hose is connected with an oil inlet funnel, and the density of the oil inlet funnel is between oil and water.

3. The food waste dewatering device in situ according to claim 1, characterized in that the feed and discharge opening (11) is covered with a sealing cover (15) in an openable and closable manner.

4. The food waste in-situ dehydration device as claimed in claim 1, wherein the return spring (32) is built in the straight track (31), and the return spring (32) is in a compressed state, and the elastic force direction is the same as the direction of the straight track (31); the movable clamping jaws (24) are positioned at the outermost ends of the straight rails (31) far away from the axle center of the rotating chuck (3) at the balance positions which are not pulled by the dewatering screen device (2).

5. The food waste in-situ dehydration device as claimed in claim 1, wherein 6-10 straight rails (31) are arranged on the rotating chuck (3), and all the straight rails (31) are uniformly distributed along the circumferential direction of the rotating chuck (3).

6. The in-situ dehydrating device for food wastes as recited in claim 1, wherein the side wall of the cylindrical box body (1) is provided with a side door (14) which can be opened and closed.

7. The food waste dewatering device in situ according to claim 1, characterized in that the drain pipe (13) is located at the lowest position of the bottom in the cylindrical box body (1).

8. The food waste in-situ dehydration device as claimed in claim 1, characterized in that a vertical limit is formed between the movable jaw (24) and the straight track (31), so that the movable jaw (24) only moves horizontally along the straight track (31) but cannot be separated from the rotating chuck (3).

9. The food waste dewatering device in situ as claimed in claim 1, wherein a counterweight is arranged at the bottom of the cylindrical box body (1).