Oil-water separation device for illegal cooking oil waste grease

Abstract

According to the oil-water separation device for the illegal cooking oil waste grease, the filter is arranged in the separation tank, the separation tank is divided into the upper filtering cavity and the lower filtering cavity, the inclined plate separator in the upper filtering cavity is utilized, water overflowing from the bottom can be guided into the inclined plate separator, and the oil-water separation effect is achieved through the effect of the inclined plate separator. The content of solid particles in the water flow is reduced, the filtered water flow is guided into the horizontal diaphragm, particle impurities in the water are further filtered under the filtering action of the horizontal diaphragm, then the filtered water flow is guided into the middle filter to be filtered and buffered, and finally the filtered water flow enters the lower filtering cavity and is guided and filtered under the action of the guide plate, so that multi-layer filtering is realized; therefore, the oil-water separation effect is ensured, and the oil content and impurities in the separated water are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen waste treatment, and more specifically to a waste cooking oil and grease oil-water separation device. Background Art

[0002] Gutter oil generally refers to all kinds of low-quality oils and fats with extremely poor quality and hygiene, and excessive moisture, peroxide value and acid value. In a narrow sense, gutter oil refers to the oil floating in the sewer or the leftover food and vegetables (commonly known as slop) from hotels and restaurants that has been simply processed and refined. In most cases, gutter oil is not properly reused, resulting in energy waste and environmental pollution.

[0003] Untreated cooking oil contains a large amount of water and food residues, so a device is needed to effectively separate and recover the usable oil in the cooking oil for further processing and utilization.

[0004] However, most of the currently used cooking oil separation devices use heating pots or heating tanks for intermittent treatment in turns, which consumes a lot of energy and has poor oil-water separation effect. The wastewater after separation has a high oil content, and the cooking oil has a high water and impurity content, which brings difficulties to subsequent sewage treatment and resource utilization of cooking oil, resulting in low overall economic benefits and poor environmental benefits.

[0005] Therefore, it is necessary to propose a waste cooking oil and grease oil-water separation device to improve its filtering effect. Utility Model Content

[0006] The utility model provides a waste cooking oil and waste grease oil-water separation device, which solves the problem of poor separation effect and low efficiency of the existing waste cooking oil and waste grease oil-water separation device.

[0007] According to one aspect of the utility model, a waste cooking oil and oil-water separation device is provided, comprising a separation tank with an oil outlet provided on the top, the middle portion of the separation tank being separated into an upper filter chamber and a lower filter chamber by a filter, a horizontal diaphragm provided on the top of the filter, and an inclined plate separator provided in the upper filter chamber, the top of the inclined plate separator being connected to the upper filter chamber, the bottom of the inclined plate separator being connected to the filter through the horizontal diaphragm, a plurality of spaced inclined plates being provided in the inclined plate separator, the inclined plates being relatively staggered and arranged at an acute angle to the vertical direction.

[0008] Preferably, based on the above solution, the filter has a built-in ceramsite layer.

[0009] Preferably, based on the above solution, a water outlet is provided on the lower filter cavity of the separation tank, and a bending guide plate is provided in the lower filter cavity, and the bending guide plate is provided on the inner wall of the separation tank near the water outlet.

[0010] Preferably, based on the above solution, guide plates are further provided on the inner wall of the separation tank. The guide plates are arranged at intervals along the height direction of the inner wall of the separation tank, and the guide plates are installed at an angle.

[0011] Preferably, based on the above solution, a filtering channel is formed between the guide plates.

[0012] Preferably, based on the above scheme, the water outlet is connected to an oil collector, and the oil collector includes a shell with a cavity inside, a reflux port is provided on the top of the shell, a reflux pipe connected to the water outlet is provided in the shell, and a drain pipe is connected to the bottom of the shell.

[0013] Preferably, based on the above solution, two U-shaped water inlets are provided on the top of the separation tank, and the water inlets are connected to the water inlet pipe.

[0014] The utility model discloses an oil-water separation device for waste cooking oil and grease. The device separates a separation tank into an upper filter chamber and a lower filter chamber by arranging a filter in the separation tank. The device utilizes an inclined plate separator in the upper filter chamber to guide water overflowing from the bottom into the inclined plate separator. The inclined plate separator reduces the content of solid particles in the water. The filtered water is guided into a horizontal diaphragm. Under the filtering action of the horizontal diaphragm, particulate impurities in the water are further filtered. The water is then guided into a middle filter for filtering and buffering. The water finally enters the lower filter chamber and is guided and filtered under the action of a guide plate. Multi-layer filtration is achieved to ensure the oil-water separation effect and reduce the oil content and impurities in the separated water. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0016] Figure 1 This is a schematic structural diagram of the waste cooking oil and oil-water separation device of the utility model;

[0017] Figure 2 It is a top view of the waste cooking oil and grease oil-water separation device of the utility model;

[0018] Description of Figure Numbers:

[0019] Separation tank 1, oil outlet 11, water outlet 12, water inlet 13, upper filter chamber 14, lower filter chamber 15, water inlet pipe 16, horizontal diaphragm 2, filter 3, inclined plate separator 32, inclined plate 31, bending guide plate 4, guide plate 41, filter channel 42, oil collector 5, shell 51, reflux port 52, reflux pipe 53, drain pipe 54. DETAILED DESCRIPTION

[0020] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0021] It will be understood that when used in this specification and the appended claims, the term "comprising" indicates the presence of described features, integers, steps, operations, elements and / or components, but does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or collections.

[0022] To simplify the drawings, only the parts relevant to the present invention are schematically shown in each figure. They do not represent the actual structure of the product. In addition, to simplify the drawings and facilitate understanding, in some figures, only one of the components with the same structure or function is schematically depicted or labeled. In this document, "one" not only means "only one" but also "more than one."

[0023] It should be further understood that the term "and / or" used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

[0024] In the embodiments shown in the accompanying drawings, directional indications (such as up, down, left, right, front, and back) used to explain the structure and movement of various components of the present invention are not absolute but relative. These descriptions are applicable when these components are in the positions shown in the accompanying drawings. If the descriptions of the positions of these components are changed, these directional indications will also change accordingly.

[0025] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the specific implementation methods of the present invention will be described below with reference to the accompanying drawings. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings and other implementation methods can be obtained based on these drawings without inventive work.

[0027] See also Figure 1 , and combined with Figure 2 As shown, the utility model is a waste cooking oil and grease oil-water separation device, comprising a separation tank 1 with an oil outlet 11 at the top, the middle part of the separation tank 1 is separated into an upper filter chamber 14 and a lower filter chamber 15 by a filter 3, a horizontal diaphragm 2 is provided on the top of the filter 3, and an inclined plate separator 32 is provided in the upper filter chamber 14, the top of the inclined plate separator 32 is communicated with the upper filter chamber 14, and the bottom of the inclined plate separator 32 is communicated with the filter 3 through the horizontal diaphragm 2, a plurality of spaced inclined plates 31 are provided in the inclined plate separator 32, the inclined plates 31 are relatively staggered and arranged at an acute angle to the vertical direction; the top of the separation tank 1 is provided with two U-shaped water inlets 13, and the water inlet 13 is connected to the water inlet pipe 16.

[0028] During work, water inlet 13 imports the waste grease oily water through pretreated waste oil (and does not contain large volume solid block structure and only contains granular oil-water mixture), after being imported into the water inlet pipe 16 of separator 1, because the two ends of water inlet pipe are in the both sides of inclined plate separator 32, therefore, current can be imported in the upper filter chamber 14 on inclined plate separator 32 both sides under gravity, the grease in the current floats on top because of its density, and current is then imported into the top of inclined plate separator 32 and enters in the inclined plate separator 32, under inclined plate 31 effect, filter layer by layer, finally carry out secondary solid grease filtration through horizontal diaphragm 2, separate and filter again in intermediate filter 3, also be buffered, reduce the speed of gravity to current, guarantee the separation of grease and particle, and filter the water flow of deceleration through filter 3 and import in the lower filter chamber 15, filter again.

[0029] Among them, the filter 3 of the present invention has a built-in ceramsite layer, and a water outlet 12 is provided on the lower filter chamber 15 of the separation tank 1, and a bending guide plate 4 is provided on the lower filter chamber 15, and the bending guide plate 4 is provided on the inner wall of the separation tank 1 near the water outlet 12. Through the design of the bending guide plate 4, the water flow speed is reduced to avoid excessive water flow, which causes impact and affects its separation effect.

[0030] The inner wall of the separation tank 1 of the present invention is further provided with guide plates 41 , which are arranged at intervals along the height direction of the inner wall of the separation tank 1 and are installed at an angle, forming a filtering channel 42 between the guide plates 41 .

[0031] Furthermore, the utility model is also connected to the water outlet 12 with an oil collector 5, the oil collector 5 includes a shell 51 with an internal cavity, a return port 52 is provided on the top of the shell 51, a return pipe 53 connected to the water outlet 12 is provided inside the shell 51, and a drain pipe 54 is connected to the bottom of the shell 51.

[0032] After the water flows through the filter 3 for filtering and buffering, it acts on the bending guide plate 4 under the action of gravity. The water flow speed is buffered by the action of the bending guide plate 4, and the guide plate 41 and one side of the lower filter chamber 15 form a cavity. Under the action of the bending guide plate 4, the water flows to one side of the lower filter chamber 15 (the left side of the lower filter chamber 15 as shown in the figure). After the particles in the water flow are precipitated therein, they are gradually diverted through the guide plate 41 to achieve isolation of the particle sediment in the water flow, and then introduced into the oil collector 5. Through the reflux pipe 53 in the oil collector 5, part of the water flow containing oil is re-introduced into the upper filter chamber 14 through the reflux port 52 to achieve secondary separation, and the water flow is discharged through the drain pipe 54 at the bottom to achieve the purpose of oil-water separation.

[0033] The utility model discloses an oil-water separation device for waste cooking oil and grease. The device comprises the following steps: a filter 3 is arranged in a separation tank 1 to separate the separation tank into an upper filter chamber 14 and a lower filter chamber 15. The inclined plate separator 32 in the upper filter chamber 14 is used to guide water overflowing from the bottom into the inclined plate separator 32. The inclined plate separator 32 reduces the content of solid particles in the water. The filtered water is then guided into a horizontal diaphragm 2. Particulate impurities in the water are further filtered under the filtering action of the horizontal diaphragm 2. The water is then guided into a middle filter 3 for filtering and buffering. The water finally enters the lower filter chamber 15. The water is guided and filtered under the action of a guide plate 41 to achieve multi-layer filtration, thereby ensuring the oil-water separation effect and reducing the oil content and impurities in the separated water.

[0034] Finally, the method of this application is only a preferred embodiment and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this utility model should be included in the scope of protection of this utility model.

Claims

1. A waste cooking oil and oil-water separation device, comprising a separation tank with an oil outlet on the top, characterized in that: The middle part of the separation tank is separated into an upper filter chamber and a lower filter chamber by a filter. A horizontal diaphragm is provided on the upper part of the filter, and an inclined plate separator is provided in the upper filter chamber. The top of the inclined plate separator is connected to the upper filter chamber, and the bottom of the inclined plate separator is connected to the filter through the horizontal diaphragm. A plurality of spaced inclined plates are provided in the inclined plate separator. The inclined plates are relatively staggered and arranged at an acute angle to the vertical direction.

2. The waste cooking oil and grease oil-water separation device according to claim 1, wherein: The filter has a built-in ceramsite layer.

3. The waste cooking oil and oil-water separation device according to claim 1, characterized in that: A water outlet is provided on the lower filter cavity of the separation tank, and a bending guide plate is provided in the lower filter cavity, and the bending guide plate is provided on the inner wall of the separation tank close to the water outlet.

4. The waste cooking oil and oil-water separation device according to claim 3, characterized in that: The inner wall of the separation tank is further provided with guide plates, which are arranged at intervals along the height direction of the inner wall of the separation tank and are arranged in an inclined manner.

5. The waste cooking oil and oil-water separation device according to claim 4, characterized in that: A filtering channel is formed between the guide plates.

6. The waste cooking oil and oil-water separation device according to claim 4, characterized in that: The water outlet is connected to an oil collector, which includes a shell with a cavity inside. A reflux port is provided on the top of the shell, a reflux pipe connected to the water outlet is provided inside the shell, and a drain pipe is connected to the bottom of the shell.

7. The waste cooking oil and oil-water separation device according to claim 1, characterized in that: The top of the separation tank is provided with two U-shaped water inlets, which are connected to the water inlet pipe.

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