Filtering device for kitchen waste

Abstract

The utility model discloses a kitchen waste filtering device which comprises a filtering box body, a spiral dehydration unit and a secondary filtering unit, the spiral dehydration unit comprises a dehydration box and a spiral shaft, the spiral shaft is located in the dehydration box, one end of the spiral shaft is connected with a motor fixed outside the dehydration box to achieve rotation, and the secondary filtering unit is connected with the dehydration box. A slag outlet and a dewatering opening are respectively formed in the side surface and the bottom of the dewatering box; the secondary filtering unit is communicated with the dehydration opening, is used for realizing solid-liquid separation and comprises a filtering box body and a filtering groove in the filtering box body, the filtering box body below the filtering groove is a filtrate cavity, and a liquid discharge opening is formed in the filtering box body of the filtrate cavity. The utility model aims to solve the problems that the existing kitchen garbage is not thoroughly separated, a large amount of impurities still exist after separation, so that the operation fault of a machine is easily caused, and the subsequent oil-water treatment is inconvenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen residue treatment technical field especially relates to a filter device of kitchen waste. BACKGROUND

[0002] Kitchen garbage as main domestic waste, its most source is in daily diet, in this process often will produce some such as leftover food, melon and fruit peel etc.

[0003] At present, the separation process and method of kitchen waste are roughly as follows: collection, separation, crushing, cooking and separation. Three-phase centrifuge is generally used for separation, but in the running process, it is found that kitchen waste is difficult to separate, and there are a large number of sundries in the slurry entering the centrifuge, such as cloth strips, plastics, ropes, wood chips, ceramic chips or glass fragments, etc. often causing the blockage of the feeding system or the liquid discharge system of the centrifuge, which needs to be stopped and flushed, and in severe cases, the machine needs to be disassembled and cleaned, which greatly reduces the separation efficiency of the centrifuge. At the same time, this separation method is only for the preliminary crushing of large-volume kitchen waste, and there are still residues in the crushed liquid, which affects the subsequent oil-water separation, sewage treatment and other processes. In order to solve these problems, some catering industries also carry out secondary treatment outside the separation device, which needs additional equipment, occupies a large area, and may also cause low efficiency. Therefore, there is a need for a kitchen waste filter device which can remove residues from liquid, is convenient to use and is convenient for subsequent oil-water treatment. SUMMARY

[0004] The utility model discloses a kitchen waste filter device which can solve the problem of incomplete separation of kitchen waste, a large number of sundries after separation, machine operation failure and inconvenience of subsequent oil-water treatment.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kitchen waste filter device, comprising a spiral dewatering unit and a secondary filtration unit,

[0007] The spiral dewatering unit comprises a dewatering tank and a spiral shaft, the spiral shaft is located in the dewatering tank and one end thereof is connected with a motor fixed outside the dewatering tank to realize rotation, and the side surface and the bottom of the dewatering tank are respectively provided with a residue outlet and a dewatering outlet;

[0008] The secondary filtration unit is communicated with the dewatering outlet and is used for realizing solid-liquid separation, comprising a filter box and a filter groove in the filter box, the filter box below the filter groove is a filtrate cavity, and the filter box of the filtrate cavity is provided with a liquid discharge port.

[0009] Further, the dehydration tank is provided with a mesh plate in the middle part, the mesh plate separates the dehydration tank into an upper layer wringer cage and a lower layer mixed liquid chamber, and the mixed liquid chamber is used for storing the crushed mixed liquid.

[0010] Further, the slag outlet is externally provided with a slag cover.

[0011] Further, the filter groove is provided with a filter groove opening on the side, a liquid inlet is arranged at a position coinciding with the filter box, and the liquid inlet and the dehydration outlet are connected through a dehydration pipeline.

[0012] Further, the height of the liquid discharge outlet is not lower than the bottom of the filter groove, and the bottom of the filter box is provided with a water outlet.

[0013] Further, the volume of the filter groove is smaller than that of the filtrate cavity, and the width of the filter hole of the filter groove is 2-5mm.

[0014] Further, the filter groove is provided with a limiting block on the top, and the limiting block can be limited in cooperation with a hook arranged on the inner side of the filter box.

[0015] Further, the filter groove is provided with a supporting rod on the top.

[0016] Further, the liquid discharge outlet and the liquid discharge pipeline are connected, and the dehydration pipeline and the liquid discharge pipeline are both silica gel pipes, and the outer part of both is clamped with a hose clamp.

[0017] Further, the top side and the bottom of the filter box are respectively provided with a hanging plate and a connecting plate, and the filter box is movably connected with a filter box cover.

[0018] Compared with the prior art, the utility model has the beneficial effects that:

[0019] The spiral dehydration unit and the secondary filtration unit realize the slag removal of large volume and small volume in sequence, the filter groove movably arranged in the filter box is convenient to clean and use, the secondary filtration is realized in the separation procedure of the food waste, the small volume impurities in the oil-water mixture are separated out, and finally the grease and sewage are separated and discharged through oil-water separation, so that the food waste solid-liquid separation and oil-water separation effect is good, the liquid motion in the separation process is smooth, the treatment efficiency is improved significantly, and the service life of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0021] Figure 1 It is the whole structure schematic view of the utility model;

[0022] Figure 2 It is the inside structure schematic view of the secondary filter unit of the utility model;

[0023] Figure 4 It is the back structure schematic view of the secondary filter unit of the utility model;

[0024] Figure 3 It is the structure schematic view of the filter tank of the utility model;

[0025] Figure 5 It is the sectional view of the spiral dewatering unit of the utility model;

[0026] Figure number explanation: 1, filter box body;2, filter box cover;3, hanging plate;4, connecting plate;5, filter tank;6, filter tank mouth;7, liquid inlet;8, dewatering pipeline;9, filtrate cavity;10, limit block;12, hook;13, support stick;14, liquid discharge port;15, liquid discharge pipeline;16, water outlet;17, throat clamp;18, dewatering tank;19, motor;20, spiral shaft;21, fan cover;22, discharge port;23, feed inlet;24, mesh plate;25, mixed liquid chamber;26, dewatering port. DETAILED DESCRIPTION

[0027] The utility model will be further described in detail below in combination with the drawings.

[0028] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments in the following description are only as examples, and other obvious modifications can be thought of by those skilled in the art. The basic principles of the utility model defined in the following description can be used in other embodiments, modification schemes, improvement schemes, equivalent schemes and other technical schemes without departing from the spirit and scope of the utility model.

[0029] Those skilled in the art should understand that, in the disclosure of the utility model, the orientation or position indicated by the terms "longitudinal", "transverse", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of the simplified description of the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore the above-mentioned terms cannot be understood as a limitation of the utility model.

[0030] It can be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation on the number. Embodiments

[0031] Please refer to Figures 1-5 A kitchen waste filtering device, comprising a spiral dewatering unit and a secondary filtering unit,

[0032] The spiral dewatering unit comprises a dewatering tank 18, a motor 19 and a spiral shaft 20, the top and side of the dewatering tank 18 are respectively provided with a feeding port 23 and a residue outlet 22, the residue outlet 22 is provided with a residue cover outside, the spiral shaft 20 is located in the dewatering tank 18 and one end thereof is connected with the motor 19 fixed outside the dewatering tank 18 to realize rotation, the motor 19 is a fan blade motor 19 and is connected with a fan cover 21, the original kitchen waste is crushed by the spiral shaft 20 and is pushed to the residue outlet 22 in the crushing process, and the kitchen waste with large volume is discharged through the residue outlet 22; the middle of the dewatering tank 18 is provided with a mesh plate 24, the mesh plate 24 separates the dewatering tank 18 into an upper layer of a crushing cage and a lower layer of a mixed liquid chamber 25, the mixed liquid chamber 25 is used to store the mixed liquid after crushing, and the mixed liquid flows to the secondary filtering unit through a dewatering port 26 and a dewatering pipeline 8 connected therewith;

[0033] The secondary filtering unit comprises a filtering box 1, the inside of the filtering box 1 is divided into an upper layer of a solid separation unit and a lower layer of a liquid separation unit, the top of the filtering box 1 is movably connected with a filtering box cover 2, which is convenient for checking the accumulation of impurities in a filter groove 5 at any time; the top side and the bottom of the filtering box 1 are respectively provided with a hanging plate 3 and a connecting plate 4, the hanging plate 3 is used in cooperation with other kitchen waste treatment devices, and the connecting plate 4 is convenient for fixing;

[0034] The solid separation unit comprises a filter groove 5 fixed in the filtering box 1, the filter groove 5 is a hollow structure, the width of the filter hole of the filter groove 5 is 2-5 mm, the side of the filter groove 5 is provided with a filter groove port 6, the place where the filter groove port 6 coincides with the filtering box 1 is provided with a liquid inlet 7, and the liquid inlet 7 is connected with a dewatering pipeline 8 arranged outside the filtering box 1; the volume of the filter groove 5 is smaller than that of a filtrate cavity 9, which is convenient for discharging the filtered liquid; the top of the filter groove 5 is provided with a limiting block 10, the limiting block 10 can be limited in cooperation with a hook 12 arranged inside the filtering box 1, and the top of the filter groove 5 is provided with a supporting rod 13, which is convenient for taking out the filter groove 5 to clean the filter residue therein;

[0035] The liquid separation unit comprises a filtrate cavity 9 located below the filter tank 5, the filter tank 1 is provided with a liquid discharge port 14 and a liquid discharge pipeline 15 on the side of the filtrate cavity 9, the height of the liquid discharge port 14 is not lower than the bottom of the filter tank 5 to facilitate liquid discharge, the filter tank 1 is provided with a water outlet 16 at the bottom for cleaning residual sewage at the bottom, and the dewatering pipeline 8 and the liquid discharge pipeline 15 are both silica gel pipes and are provided with a hose clamp 17 outside to ensure the sealing property of the pipelines.

[0036] The filter device for kitchen waste provided by the utility model, kitchen garbage enters the dehydration tank through the feeding port firstly and is shredded, the large-volume residues are pushed to the residue discharge port in the shredding process, the mixed liquid enters the secondary filtration unit in the filter tank through the dehydration pipeline, the filter tank in the secondary filtration unit removes the filter residues, the filtrate enters the filtrate cavity 9, when the water level line of the filtrate cavity 9 reaches the liquid discharge port 14, the next process is entered through the liquid discharge pipeline 15, when there is residual filtrate in the filtrate cavity 9, the water outlet 16 can be opened to discharge water. The above-mentioned filtration process separates and discharges small-volume impurities in the oil-water mixture, finally realizes grease and sewage diversion discharge through oil-water separation, so that the kitchen garbage solid-liquid separation and oil-water separation effect is good, the liquid motion in the separation process is smooth, the treatment efficiency is improved significantly, and the service life of the device is improved.

[0037] It should be understood by those skilled in the art that the above description and the embodiments of the utility model shown in the drawings are only as examples and do not limit the utility model. The purpose of the utility model has been completely and effectively realized. The function and structural principle of the utility model have been shown and explained in the embodiments, and the embodiments of the utility model can be deformed or modified in any way without departing from the principle.

Claims

1. A filtration device for food waste, characterized by: The screw dewatering unit and the secondary filtering unit are arranged in the dewatering device. The screw dewatering unit comprises a dewatering box and a screw shaft, the screw shaft is located in the dewatering box and one end of the screw shaft is connected with a motor fixed outside the dewatering box to rotate, and a slag outlet and a dewatering outlet are arranged on the side and bottom of the dewatering box respectively. The secondary filtering unit is communicated with the dewatering outlet and used for realizing solid-liquid separation, and comprises a filtering box and a filtering groove in the filtering box, the filtering box below the filtering groove is a filtrate cavity, and a filtrate outlet is arranged on the filtering box of the filtrate cavity.

2. The filtration device for kitchen waste according to claim 1, wherein: A mesh plate is arranged in the middle of the dewatering box, the mesh plate separates the dewatering box into an upper wringer cage and a lower mixed liquid chamber, and the mixed liquid chamber is used for storing the crushed mixed liquid.

3. The filtering device for food waste according to claim 2, characterized in that: A slag cover is arranged outside the slag outlet.

4. The filtration device for kitchen waste according to claim 3, wherein: A filter groove opening is arranged on the side of the filtering groove, a liquid inlet is arranged at the place where the filter groove opening coincides with the filtering box, and the liquid inlet is connected with the dewatering outlet through a dewatering pipeline.

5. A filter device for kitchen waste according to claim 4, characterised in that: The height of the filtrate outlet is not lower than the bottom of the filtering groove, and a water outlet is arranged on the bottom of the filtering box.

6. A filter device for kitchen waste according to claim 5, wherein: The volume of the filtering groove is smaller than that of the filtrate cavity, and the maximum width of the filtering hole of the filtering groove is 2-5 mm.

7. A filter device for kitchen waste according to claim 6, characterised in that: A limiting block is arranged on the top of the filtering groove, and the limiting block can be limited with a hook arranged on the inner side of the filtering box.

8. The filtration device for kitchen waste of claim 7, wherein: A supporting rod is arranged on the top of the filtering groove.

9. A filter device for kitchen waste according to claim 8, characterised in that: The filtrate outlet is connected with a filtrate pipeline, and the dewatering pipeline and the filtrate pipeline are both silica gel pipelines, and the outer part of both is clamped with a hose clamp.

10. The filtration device for kitchen waste of claim 9, wherein: A hanging plate and a connecting plate are arranged on the top side and bottom of the filtering box respectively, and a filtering box cover is movably connected on the top of the filtering box.

Images