Continuous static oil-water separation device based on kitchen waste

Abstract

The utility model discloses a continuous static oil-water separation device based on kitchen waste, and relates to the technical field of kitchen waste treatment, the continuous static oil-water separation device comprises a standing box, and support plates are fixed at two ends of the bottom of the standing box; the cover plate is arranged at the top of the standing box; the filtering part is arranged below the standing box, and the two ends of the filtering part are connected with the supporting plates; and the water tank is arranged below the filtering piece. According to the continuous static oil-water separation device based on the kitchen waste, the filter part is arranged, the filter box is filled with the sand filter layer and the ceramic filter element, the sand filter layer can intercept solid impurities and part of large oil drops in kitchen waste oil-water, the ceramic filter element can intercept the oil drops and tiny solid particles, a water layer separated from the standing box is effectively filtered, and the oil-water separation efficiency is improved. The quality of separated water is greatly improved, so that the device is suitable for occasions with higher requirements on water quality, and the application range is widened.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen garbage treatment technical field, concretely is continuous static oil -water separation device based on kitchen garbage. BACKGROUND

[0002] With the advance of city life garbage classification, the centralized treatment demand of kitchen garbage is increasing day by day, and the processing capacity is increasing, and higher requirements are put forward for the resource utilization of kitchen garbage, and the more advanced process route is that kitchen garbage is separated by primary filtration-separation-extrusion, the solid phase can be composted after separation, the liquid phase is subjected to oil -water separation process, the crude oil separated can be deeply processed into biodiesel, waste water enters subsequent treatment such as anaerobic fermentation, and waste gas is discharged after biological deodorization.

[0003] The utility model discloses a static oil -water separator, which comprises a collecting tank and a temporary storage tank arranged above and below, the collecting tank is provided with a feeding pipe and an exhaust pipe on the top, the feeding pipe is located outside the collecting tank, the collecting tank is provided with a liquid outlet pipe and an oil outlet pipe at the bottom, a three-way connecting pipe is arranged in the collecting tank, the three-way connecting pipe has an inlet connected with the bottom of the collecting tank, an outlet connected with the upper part of the collecting tank and a connecting port connected with the temporary storage tank, the outlet of the feeding pipe extends to the bottom of the collecting tank, the oil inlet of the oil outlet pipe extends to the upper part of the collecting tank, and the oil inlet of the oil outlet pipe is lower than the outlet of the three-way connecting pipe and higher than the outlet of the feeding pipe.

[0004] The existing static oil -water separator can reduce the agitation of oil -water mixture, reduce the overturning and emulsification of oil -water mixture, facilitate and accelerate oil -water separation, avoid the disadvantages that the traditional upper feeding oil -water separator hinders the separation of oil and water and promotes emulsification during material collection, and reduce the speed and effect of oil -water separation. However, the existing static oil -water separator mainly focuses on reducing the agitation of oil -water mixture through reasonable structure design to promote oil -water separation, but does not set up effective filtering structure to further purify the separated water layer. The separated water may still contain some solid impurities and small oil droplets, which cannot meet the higher requirements for water quality and limit the application scene. Moreover, the existing device does not consider the convenient and quick replacement of the possible filtering components (if any). In actual use, with the increase of use time, the filtering effect of the filtering components will decrease, and timely replacement is needed. However, the existing device lacks corresponding convenient replacement structure, which will affect the efficiency and quality of oil -water separation. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a continuous static oil -water separation device based on kitchen garbage, which solves the existing problems.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a continuous static oil-water separation device based on kitchen waste, comprising:

[0007] A settling box, used for settling an oil-water mixture, wherein support plates are fixed at both ends of the bottom of the settling box;

[0008] A cover plate is provided on the top of the settling box. The cover plate is equipped with a feed pipe and an oil extraction mechanism for extracting the oil layer.

[0009] A filter element is disposed below the settling tank, and both ends of the filter element are connected to a support plate for filtering the water layer in the settling tank.

[0010] A water tank is located below the filter element and is connected to the filter element via an outlet pipe. The water tank is used to store the extracted water layer.

[0011] Preferably, a dovetail groove is provided in the middle of the inner side of the support plate, and a solenoid valve is provided at the bottom outlet of the static box. A connecting cover is fixed to the bottom of the solenoid valve, and a sealing gasket is adhered to the inner top wall edge of the connecting cover.

[0012] Preferably, a feed pipe is connected through one side of the cover plate, and an oil pump is provided on the other side of the upper surface of the cover plate. The output end of the oil pump is connected to an oil outlet pipe, and the input end of the oil pump is connected to a float plate through a connecting pipe. The float plate floats on the upper surface of the oil layer, and the upper surface of the float plate is connected to multiple oil suction pipes arranged in a ring array through a tap. The oil suction pipes are connected to the connecting pipe.

[0013] Preferably, the filter element includes a tray disposed below the connecting cover, a sealing strip is adhered to the top of the tray, the sealing strip is in contact with the lower surface edge of the connecting cover, a groove is formed in the middle of the upper surface of the tray, a filter box is disposed in the groove, and the top of the filter box is in contact with the sealing gasket.

[0014] Preferably, the filter box is filled with a sand filter layer and a ceramic filter element, and pressure sensors are fixed on both sides of the upper surface of the tray by support rods, and the pressure sensors are in contact with the lower surface edge of the connecting cover.

[0015] Preferably, both ends of the pallet are fixed with connecting plates, one side of the connecting plate is in contact with the support plate, and one side of the connecting plate is fixed with a dovetail slider, which is located in the dovetail groove. A telescopic cylinder is provided on the top of the connecting plate, which is installed at the bottom of the stationary box, and the output shaft of the telescopic cylinder is fixed to the connecting plate. The telescopic cylinder is electrically connected to the pressure sensor.

[0016] Beneficial effects

[0017] The utility model provides a continuous static oil -water separation device based on kitchen garbage, has the following beneficial effects compared with prior art:

[0018] 1、 this continuous static oil -water separation device based on kitchen garbage, through setting up filter piece, fill sand filter layer and ceramic filter core in filter box, sand filter layer can intercept solid impurity and part larger oil drop in kitchen waste oil -water, ceramic filter core can intercept oil drop and tiny solid particle, to the water layer that separates out in static box carries out effective filtration, has improved the quality of water after separation greatly, makes the device applicable to the occasion that water quality is required higher, has widened the application range.

[0019] 2、 this continuous static oil -water separation device based on kitchen garbage, filter piece is designed as the structure that can be conveniently detached, moves up and down through telescopic pneumatic cylinder drive support plate, when needing to replace filter box, start telescopic pneumatic cylinder and make support plate and connecting cover separate, can easily take out filter box and replace, do not influence next separation work, can also clean sand filter layer and ceramic filter core in the filter box of detachment to be used again, improved the practicality of device and the convenience of maintenance. DETAILED DESCRIPTION

[0020] Figure 1 It is the whole structure schematic diagram of the utility model;

[0021] Figure 2 It is the whole structure bottom view schematic diagram of the utility model;

[0022] Figure 3 It is connecting cover structure bottom view schematic diagram of the utility model;

[0023] Figure 4 It is the cover plate structure schematic diagram of the utility model;

[0024] Figure 5 It is filter piece structure explosion schematic diagram of the utility model.

[0025] In the drawing: static box 1, support plate 11, dovetail sliding groove 12, electromagnetic valve 13, connecting cover 14, sealing gasket 15, cover plate 2, feed pipe 21, oil pump 22, oil outlet pipe 23, floating plate 24, oil suction pipe 25, filter piece 3, support plate 31, sealing strip 32, recess 33, filter box 34, pressure sensor 35, connecting plate 36, telescopic pneumatic cylinder 37, dovetail sliding block 38, water storage tank 4. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of the present application.

[0027] As shown in Figures 1-5 The present application provides two technical solutions:

[0028] The first embodiment is a continuous static oil-water separation device based on kitchen waste, which comprises a static tank 1, a cover plate 2, a filter 3 and a water tank 4. The static tank 1 is used for static oil-water mixture. Both ends of the bottom of the static tank 1 are fixed with support plates 11. A dovetail sliding groove 12 is formed in the inner side of the middle of the support plate 11. An electromagnetic valve 13 is arranged at the bottom end discharge port of the static tank 1. A connecting cover 14 is fixed at the bottom end of the electromagnetic valve 13. A sealing gasket 15 is bonded to the inner top wall edge of the connecting cover 14.

[0029] Specifically, the cover plate 2 is arranged at the top of the static tank 1. The cover plate 2 is provided with a feeding pipe 21 and an oil extraction mechanism for extracting oil layer. The feeding pipe 21 is connected through one side of the cover plate 2. An oil extraction pump 22 is arranged on the other side of the upper surface of the cover plate 2. An oil outlet pipe 23 is connected to the output end of the oil extraction pump 22. A floating plate 24 is connected to the input end of the oil extraction pump 22 through a connecting pipe. The floating plate 24 floats on the upper surface of the oil layer. A plurality of oil suction pipes 25 arranged in a ring array are connected to the upper surface of the floating plate 24 through a tap. The oil suction pipes 25 are connected in communication with the connecting pipe.

[0030] More specifically, the filter 3 is arranged below the static tank 1. Both ends of the filter 3 are connected with the support plates 11. The filter 3 is used for filtering the water layer in the static tank 1. The water tank 4 is arranged below the filter 3. The water tank 4 is connected in communication with the filter 3 through a water outlet pipe. The water tank 4 is used for storing the extracted water layer.

[0031] The second embodiment: the filter 3 includes a support plate 31 arranged below the connecting cover 14, the top of the support plate 31 is bonded with a sealing strip 32, the sealing strip 32 is in contact with the lower surface edge of the connecting cover 14, and plays a sealing role, the upper surface of the support plate 31 is provided with a groove 33 in the middle, the filter box 34 is arranged in the groove 33, the top of the filter box 34 is in contact with the sealing gasket 15, and plays a further sealing role, avoiding water leakage, the filter box 34 is filled with a sand filter layer and a ceramic filter core, the sand filter layer is composed of granular materials such as quartz sand and anthracite, has a large porosity, can effectively intercept solid impurities and part of larger oil droplets in the kitchen waste oil water, the ceramic filter core is mainly made of ceramic materials such as alumina and zirconia, has good chemical stability, high temperature resistance and mechanical strength, uniform and high-precision pores, can effectively intercept oil droplets and tiny solid particles, has good filtering effect, the upper surface of the support plate 31 is fixed with a pressure sensor 35 through a support rod on both sides, the pressure sensor 35 is in contact with the lower surface edge of the connecting cover 14, both ends of the support plate 31 are fixed with a connecting plate 36, one side of the connecting plate 36 is in contact with the support plate 11, and one side of the connecting plate 36 is fixed with a dovetail sliding block 38, the dovetail sliding block 38 is located in the dovetail sliding groove 12, plays a guiding role, and makes the support plate 31 keep vertical up-down movement, the top of the connecting plate 36 is provided with a telescopic cylinder 37, the telescopic cylinder 37 is installed at the bottom of the static tank 1, and the output shaft of the telescopic cylinder 37 is fixed with the connecting plate 36, the telescopic cylinder 37 is electrically connected with the pressure sensor 35, the telescopic cylinder 37 drives the support plate 31 to move through the connecting plate 36, when the pressure sensor 35 is in contact with the bottom of the connecting cover 14, the telescopic cylinder 37 stops working, and damage of the support plate 31 and the connecting cover 14 is avoided.

[0032] In the working process of the device, first, the oil-water mixture is injected into the static tank 1 through the feed pipe 21, and after a period of standing, the oil and water are stratified, at this time the floating plate 24 is located on the upper surface of the oil layer, then the electromagnetic valve 13 at the bottom of the static tank 1 is opened, the electromagnetic valve 13 guides the water layer into the filter box 34, and then flows into the water tank 4 through the water outlet pipe, when the water layer flows out, the remaining oil layer is blocked by the sand filter layer and the ceramic filter core in the filter box 34, when the water outlet pipe no longer discharges water, the electromagnetic valve 13 is closed, at this time the oil pump 22 is started, the oil pump 22 drives the oil layer to be discharged to the external oil storage equipment through the oil outlet pipe 23 through the oil suction pipe 25, after a period of separation work, the telescopic cylinder 37 is started, the telescopic cylinder 37 drives the connecting plate 36 to move downward, and then drives the support plate 31 to move downward, separates the support plate 31 from the connecting cover 14, exposes the filter box 34 on the support plate 31, at this time the filter box 34 is taken out and replaced, does not affect the next separation work, and at the same time the sand filter layer and the ceramic filter core in the disassembled filter box 34 can be cleaned for next use.

[0033] Meanwhile, the contents not described in detail in the specification are all the prior art known by the person skilled in the art, and the model parameters of the electric appliances are not specifically limited, and the conventional equipment can be used.

[0034] It should be noted that, in this text, relational terms such as first and second and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying that there is any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, so that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] Although the embodiments of the present application have been shown and described, it should be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A continuous static oil-water separation device based on kitchen waste, characterized in that, Include: The static tank is used for oil and water mixture, the bottom of the static tank is fixed with support plate; Cover plate, the cover plate is provided on the top of the static tank, the cover plate is provided with feed pipe and oil pumping mechanism, for separating oil layer; Filter, the filter is arranged below the static tank, both ends of the filter are connected with the support plate, for filtering the water layer in the static tank; Water tank, the water tank is arranged below the filter, the water tank is communicated with the filter through the water outlet pipe, for storing the water layer after separation.

2. The continuous static oil-water separation device based on kitchen waste according to claim 1, characterized in that: The inner side of the support plate is provided with a dovetail sliding groove, the bottom end of the electromagnetic valve is fixed with a connecting cover, the inner top wall edge of the connecting cover is bonded with a sealing gasket.

3. The continuous static oil-water separation device based on kitchen waste according to claim 1, characterized in that: The cover plate is connected with the feed pipe, the upper surface of the cover plate is provided with an oil pump, the output end of the oil pump is connected with an oil outlet pipe, the input end of the oil pump is connected with a floating plate through a connecting pipe, the floating plate floats on the upper surface of the oil layer, and the upper surface of the floating plate is connected with a plurality of annular arrayed oil suction pipes through a tap, the oil suction pipe is communicated with the connecting pipe.

4. The continuous static oil-water separation device based on kitchen waste according to claim 1, characterized in that: The filter includes a supporting plate arranged below the connecting cover, the top of the supporting plate is bonded with a sealing strip, the sealing strip is attached to the lower surface edge of the connecting cover, the upper surface of the supporting plate is provided with a groove, and the groove is provided with a filter box.

5. The continuous static oil-water separation device based on kitchen waste according to claim 4, characterized in that: The filter box is filled with sand filter layer and ceramic filter core, the upper surface of the supporting plate is fixed with a pressure sensor through a supporting rod, and the pressure sensor is in contact with the lower surface edge of the connecting cover.

6. The continuous static oil-water separation device based on kitchen waste according to claim 5, characterized in that: Both ends of the supporting plate are fixed with connecting plates, one side of the connecting plate is attached to the support plate, and one side of the connecting plate is fixed with a dovetail sliding block, the dovetail sliding block is located in the dovetail sliding groove, the top of the connecting plate is provided with a telescopic cylinder, the telescopic cylinder is installed at the bottom of the static tank, and the output shaft of the telescopic cylinder is fixed with the connecting plate, and the telescopic cylinder is electrically connected with the pressure sensor.

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