A novel automatic oil-water separation equipment for kitchen waste

Abstract

The utility model relates to a novel automatic oil -water separation equipment of kitchen waste, including equipment case, the upper end of equipment case is equipped with apron, equipment case front end upper side center position is equipped with oil outlet, equipment case left end upper side center position is equipped with sewage inlet, equipment case right side upper end center position is equipped with water outlet, the water outlet position is lower than sewage inlet, equipment case inside is equipped with multistage separation bin, the multistage separation bin includes three separation chambers, the separation chamber is divided into first -stage separation chamber, second -stage separation chamber, third -stage separation chamber in proper order from left to right, the bottom of first -stage separation chamber, second -stage separation chamber, third -stage separation chamber all installs guide vane subassembly, and the right side of third -stage separation chamber is equipped with baffle, has improved the stability of grease removal rate and water quality of outlet, can prolong the residence time of oil -water in each separation chamber, promotes the advantage that oil drop polymerization.

Description

Technical Field

[0001] This utility model relates to the field of oil-water separator technology in the catering industry, and in particular to a novel automated oil-water separation device for kitchen waste. Background Technology

[0002] Oil-water separators are key equipment for the catering industry to treat oily wastewater. They effectively separate oil from water in wastewater through physical separation technology, avoiding direct discharge that could pollute the environment. Their core principle is based on the density difference between oil and water, using gravity stratification, filtration and interception technologies to achieve efficient purification.

[0003] Patent application number CN201621236493.X is a Chinese utility model patent that discloses a catering oil-water separator, including a box body. The box body is provided with a coarse residue filtration zone, a gravity separation zone and a biological filtration zone connected in sequence. An oil-water inlet is provided on one side of the coarse residue filtration zone, an oil outlet is provided on the side wall of the gravity separation zone, and a clean water outlet is provided on the side wall of the biological filtration zone. This utility model can separate water-soluble oil from catering oil and water with high oil removal efficiency. However, the device has the following problems: First, the device cannot improve the oil-water separation effect; second, the device cannot optimize the flow state of water during oil-water separation. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies. This device, by setting up a primary separation chamber, a secondary separation chamber, and a tertiary separation chamber, achieves oil-water separation based on the density difference between oil and water and utilizes gravity stratification. It can realize the step-by-step separation of oil and water in sewage, improving the oil removal rate and the stability of effluent water quality, and solving the technical problem that the device cannot improve the oil-water separation effect. By setting up three 45° inclined radially arranged guide plates, the sewage flow rate can be slowed down and the water flow can be guided into a uniform distribution state into each separation chamber, solving the technical problem that the device cannot optimize the water flow pattern during separation.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A novel automated oil-water separation device for kitchen waste includes a device box with a cover plate at the top. An oil outlet is located at the center of the upper front side of the device box, a wastewater inlet is located at the center of the upper left side of the device box, and a water outlet is located at the center of the upper right side of the device box. The water outlet is positioned lower than the wastewater inlet. The device box contains a multi-stage separation chamber, which includes three separation chambers. From left to right, the separation chambers are divided into a primary separation chamber, a secondary separation chamber, and a tertiary separation chamber. Each of the primary, secondary, and tertiary separation chambers has a baffle plate at its bottom, and the tertiary separation chamber has an oil baffle plate on its right side.

[0007] As a preferred embodiment, a first partition is provided between the primary separation chamber and the secondary separation chamber, and a second partition is provided between the secondary separation chamber and the tertiary separation chamber. The front and rear ends of the first and second partitions are fixed to the front and rear sides of the inner wall of the equipment box, and the primary separation chamber, secondary separation chamber and tertiary separation chamber are separated by the first and second partitions. A gap is left between the bottom of the first and second partitions and the bottom of the equipment box, and the gap allows water to flow through. The first and second partitions have the same shape and height, and their overall height is half of the inside of the equipment box.

[0008] As a preferred embodiment, a gap is provided between the lower end of the oil baffle and the bottom of the equipment box, the gap allowing water to flow through, and the upper end of the oil baffle is flush with the upper end of the equipment box.

[0009] As a preferred embodiment, the guide vane assembly includes three guide vanes, which are arranged radially at a 45° angle. The lower ends of the guide vanes are fixedly connected to the bottom side inside the equipment box. There is a gap between each guide vane, and each guide vane surface is provided with an oleophobic layer.

[0010] As a preferred embodiment, the upper end of the guide plate is located at the midpoint of the overall height of the first and second partitions.

[0011] As another preferred embodiment, a buffer pipe is provided at the right end of the sewage inlet, and a spiral plate is provided inside the buffer pipe, which is located inside the equipment box.

[0012] The beneficial effects of this utility model are:

[0013] (1) In this utility model, by setting up a primary separation chamber, a secondary separation chamber and a tertiary separation chamber, the oil and water in the sewage can be separated step by step, which improves the oil removal rate and the stability of the effluent quality. The primary separation chamber uses a guide plate assembly to make the sewage spread evenly, and initially realizes the floating and settling of large oil particles. The secondary separation chamber further stabilizes the flow state, so that the fine oil droplets gather and float. The tertiary separation chamber uses the flow restriction effect of the oil baffle to make the water flow more stable, and ensures that the tiny oil droplets can also float and separate fully, thereby improving the oil removal rate and the stability of the effluent quality.

[0014] (2) In this utility model, the guide plate assembly adopts three guide plates arranged radially at a 45° angle, which can slow down the sewage flow rate and guide the water flow into each separation chamber in a uniform distribution state, optimize the water flow state during separation, and effectively prevent turbulence and disturbance caused by water flow impact. The guide plates with the inclined angle can prolong the residence time of oil and water in each separation chamber and promote oil droplet aggregation. At the same time, the surface of the guide plate is provided with an oleophobic layer, which can prevent grease from adhering and help oil droplets float smoothly to the oil layer along the surface of the guide plate.

[0015] (3) In this utility model, a buffer pipe with a flange connection is set at the sewage inlet and a spiral plate is installed inside. This pipe can rectify and reduce the pressure of sewage before it enters the equipment box. The swirling structure of the spiral plate can effectively reduce the initial kinetic energy of the sewage and reduce the disturbance to the flow field inside the separation chamber, thereby improving the separation efficiency.

[0016] In summary, this device has the advantages of improving grease removal rate and effluent water quality stability, extending the residence time of oil and water in each separation chamber, and promoting oil droplet aggregation. It is particularly suitable for the field of oil-water separator technology in the catering industry. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0019] Figure 2 This is a schematic diagram of the internal structure of the equipment box in this utility model (schematic diagram of the positions of the primary separation chamber, secondary separation chamber, tertiary separation chamber, partition No. 1, and partition No. 2).

[0020] Figure 3 This is a schematic diagram showing the positions of the guide vane assembly and the oil baffle in this utility model.

[0021] Figure 4 This is a schematic diagram of the internal structure of the equipment box in this utility model.

[0022] Figure 5 A top view is provided to illustrate the angle structure of the guide plate in this utility model.

[0023] Figure 6 This is a schematic diagram of the internal structure of the buffer tube in this utility model. Detailed Implementation

[0024] The technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0025] Example 1

[0026] like Figures 1 to 6As shown, this utility model provides a novel automated oil-water separation device for kitchen waste, including a device box 1, which serves as the main container of the entire oil-water separation device. The device box 1 has a cover plate 11 at its upper end, which is a detachable sealing cover for easy daily maintenance and cleaning. A vent is located at the top to release gas generated during the separation process. An oil outlet 14 is located at the center of the upper front side of the device box 1, higher than the water outlet 13 but lower than the wastewater inlet 12, used to collect grease floating on the water surface inside the device box 1. The oil outlet 14 is flanged to a pipe connected to the grease collection container to ensure continuous grease collection. A wastewater inlet 12 is located at the center of the upper left side of the device box 1, serving as the inlet for wastewater to enter the device. It is connected to an external pipe via a flange for easy installation and disassembly. A water outlet 13 is located at the center of the upper right side of the device box 1, lower than the wastewater inlet 12. The inlet 13 is slightly higher than the top of the baffle assembly 4 to ensure that the separated clean water is discharged from this inlet, preventing grease from being discharged with the water flow. The equipment box 1 is equipped with a multi-stage separation chamber 2, which includes three separation chambers 21. The separation chambers 21 are divided into a primary separation chamber 211, a secondary separation chamber 212, and a tertiary separation chamber 213 from left to right. The bottom of the primary separation chamber 211, the secondary separation chamber 212, and the tertiary separation chamber 213 are all equipped with baffle assemblies 4, and the tertiary separation chamber... An oil baffle 3 is provided on the right side of 213. The first-stage separation chamber 211 is used to initially separate large oil particles. By utilizing gravity settling and the guiding effect of the guide plate assembly 41, the oil droplets are made to float quickly and gather on the water surface. The second-stage separation chamber 212 further separates fine oil droplets. The stable flow of water promotes the coalescence of oil droplets and improves the oil-water separation rate. The third-stage separation chamber 213 is the final separation stage. The oil baffle 3 restricts water flow disturbance, allowing the tiny oil droplets to float in a stable environment and ensuring stable effluent water quality.

[0027] Furthermore, a first partition 22 is provided between the primary separation chamber 211 and the secondary separation chamber 212, and a second partition 23 is provided between the secondary separation chamber 212 and the tertiary separation chamber 213. The front and rear ends of the first partition 22 and the second partition 23 are fixed to the front and rear sides of the inner wall of the equipment box 1 to ensure structural stability. The first separation chamber 211, the secondary separation chamber 212, and the tertiary separation chamber 213 are separated by the first partition 22 and the second partition 23. A gap is left between the bottom of the first partition 22 and the bottom of the equipment box 1, which allows water to flow through. The gap ensures that the water flows smoothly between the separation chambers 2, while preventing the oil layer from entering the next chamber with the water flow. The first partition 22 and the second partition 23 have the same shape and height, and the overall height is half of the inside of the equipment box 1. This can effectively separate the separation chambers 2 at each level without obstructing the natural flow of water, and at the same time prevent the oil layer from being washed away above the partition.

[0028] Furthermore, a gap is provided between the lower end of the oil baffle 3 and the bottom of the equipment box 1. The gap allows water to pass through, ensuring that water can pass through, but blocks the oil layer from entering the outlet, thereby improving the quality of the effluent. The upper end of the oil baffle 3 is flush with the upper end of the equipment box 1 to prevent water flow fluctuations from causing the oil layer to overflow.

[0029] Furthermore, the guide plate assembly 4 includes three guide plates 41, which are arranged radially at a 45° angle. This slows down the water flow, prolongs the residence time of sewage in the separation chamber, guides the water flow to be evenly distributed, and prevents the water flow from directly impacting the baffle or oil baffle and causing disturbance. The lower end of each guide plate 41 is fixedly connected to the bottom of the equipment box 1. There is a gap between each guide plate 41, and each guide plate 41 has an oleophobic layer on its surface. The oleophobic layer is a fluorocarbon coating to prevent oil droplets from adhering.

[0030] Furthermore, the upper end of the guide plate 41 is located at the midpoint of the overall height of the first partition 22 and the second partition 23, and the highest point of the guide plate 41 is located at the midpoint between the first partition 22 and the second partition 23, ensuring that the water flow is fully guided and buffered before entering each separation chamber 21.

[0031] Furthermore, a buffer pipe 121 is provided at the right end of the sewage inlet 12. A spiral plate 122 is provided inside the buffer pipe 121. The spiral plate 122 is spirally wound inside the buffer pipe 121. The spiral direction of the spiral plate 122 is consistent with the water flow direction, which plays a role in deceleration and rectification. The buffer pipe 121 is located inside the equipment box 1. The buffer pipe 121 can slow down the initial flow velocity of sewage entering the equipment and avoid impacting the fluid in the separation chamber 21, thus preventing disturbance.

[0032] Working process: First, sewage enters the equipment box 1 through the sewage inlet 12 and then enters the buffer pipe 121. The spiral plate 122 inside the buffer pipe 121 rectifies and decelerates the sewage, reducing impact. The sewage enters the primary separation chamber 211 and is evenly distributed by the guide plate assembly 4. Under the action of gravity and the guide plate assembly 4, large oil particles quickly float to the surface. Then, the water flows through the bottom gap of the first baffle 22 into the secondary separation chamber 212. The water flow in the secondary separation chamber 212 tends to be stable, and small oil droplets aggregate and float to the surface. Then, the water flow continues to enter the tertiary separation chamber 213 through the bottom gap of the second baffle 23. The oil baffle 3 is set in the tertiary separation chamber 213 to further limit the water flow disturbance. The small oil droplets are finally separated at this stage. The separated clean water is discharged from the outlet 13, and the oil layer is discharged periodically through the oil outlet 14 after accumulation.

[0033] In the description of this utility model, it should be understood that the terms "front and back", "left and right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model.

[0034] Of course, those skilled in the art should understand that the term "a" should be understood as "at least one" or "one or more". That is, in one embodiment, the number of an element can be one, while in another embodiment, the number of the element can be multiple. The term "a" should not be understood as a limitation on the quantity.

[0035] The above description is merely a preferred embodiment of this utility model, but the scope of protection of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art under the technical guidance of this utility model should be included within the scope of protection of this utility model. Therefore, the scope of protection of this utility model should be determined by the scope of the claims.

Claims

1. A novel automated oil-water separation device for kitchen waste, characterized in that: The equipment includes a housing (1), with a cover plate (11) at the top. An oil outlet (14) is located at the center of the upper front side of the housing (1). A sewage inlet (12) is located at the center of the upper left side of the housing (1). A water outlet (13) is located at the center of the upper right side of the housing (1). The water outlet (13) is located lower than the sewage inlet (12). The housing (1) is equipped with a multi-stage separation chamber (2). The multi-stage separation chamber (2) includes three separation chambers (21). The separation chambers (21) are divided into a primary separation chamber (211), a secondary separation chamber (212), and a tertiary separation chamber (213) from left to right. A guide plate assembly (4) is installed at the bottom of the primary separation chamber (211), the secondary separation chamber (212), and the tertiary separation chamber (213). An oil baffle plate (3) is located on the right side of the tertiary separation chamber (213).

2. The novel automatic oil-water separation equipment for kitchen waste according to claim 1, characterized in that, A first partition (22) is provided between the primary separation chamber (211) and the secondary separation chamber (212), and a second partition (23) is provided between the secondary separation chamber (212) and the tertiary separation chamber (213). The first partition (22) and the second partition (23) are fixed to the front and rear sides of the inner wall of the equipment box (1) at their front and rear ends. The first separation chamber (211), the secondary separation chamber (212), and the tertiary separation chamber (213) are separated by the first partition (22) and the second partition (23). A gap is left between the bottom of the first partition (22) and the second partition (23) and the bottom of the equipment box (1) so that water can flow through. The first partition (22) and the second partition (23) have the same shape and height, and their overall height is half of the inside of the equipment box (1).

3. The novel automatic oil-water separation equipment for kitchen waste according to claim 1, characterized in that, A gap is provided between the lower end of the oil baffle (3) and the bottom of the equipment box (1) so that water can flow through. The upper end of the oil baffle (3) is flush with the upper end of the equipment box (1).

4. The novel automatic oil-water separation equipment for kitchen waste according to claim 1, characterized in that, The guide plate assembly (4) includes three guide plates (41), which are arranged radially at a 45° angle. The lower end of the guide plate (41) is fixedly connected to the bottom of the equipment box (1). There is a gap between each guide plate (41), and the surface of each guide plate (41) is provided with an oleophobic layer.

5. A novel automated oil-water separation device for kitchen waste according to claim 1, characterized in that, The upper end of the guide plate (41) is located at the midpoint of the overall height of the first partition (22) and the second partition (23).

6. A novel automated oil-water separation device for kitchen waste according to claim 1, characterized in that, The right end of the sewage inlet (12) is provided with a buffer pipe (121), and the buffer pipe (121) is provided with a spiral plate (122). The buffer pipe (121) is located inside the equipment box (1).

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