Recovery device for oily wastewater
By setting up a partition and filter structure in the wastewater treatment device, the separation and collection of oil liquid is controlled, and the problem of poor oil-water separation effect in the prior art is solved, and the effective recovery of oil liquid and the reduction of residues is achieved.
Patent Information
- Application Number
- CN202420778730.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-16
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-04-16
AI Technical Summary
In the prior art, during the oil-water separation process, the oil-water separation effect is poor, resulting in some oil and grease remaining in the separated water.
Design an oil-containing wastewater recycling device. By setting up a partition and a filter structure in the box, the wastewater and oil are stored and filtered separately. The inclined plate and mounting plate are used to control the separation and collection of oil to ensure that the oil can be effectively collected. In the oil storage chamber.
It realizes effective separation and collection of oil, reduces oil residues, and improves the oil-water separation effect.
Smart Images
Figure CN222250154U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sewage treatment, in particular to a recovery device for oily wastewater. Background Art
[0002] Wastewater treatment is the process of treating wastewater using physical, chemical and biological methods to purify wastewater, reduce pollution, and achieve wastewater recycling and reuse, making full use of water resources, separating pollutants in wastewater or converting them into harmless substances. By adopting reasonable water treatment technology and coordinating with deep water treatment, the treated water can meet the recycling water standard, can be recycled for a long time, and save a lot of water resources. The basic method of waste treatment is to use physical, chemical or biological methods, or a combination of several methods to remove harmful substances in wastewater. The degree of treatment is determined according to the water quality and the destination of the treated water.
[0003] In the process of separating oil from wastewater, a grease collection or oil-water separation device is generally set on the surface of the oil-water mixture to perform oil-water separation. For example, a paddle is set on the surface of the oil-water mixture to sweep the surface grease to one side, and the water flows to the other side. However, with this method, some grease will still remain in the water after separation, and the oil-water separation effect is not good. Utility Model Content
[0004] The purpose of the utility model is to provide a recovery device for oily wastewater to solve the problem proposed in the above background technology that in the process of separating the oil in the wastewater, a grease collection or oil-water separation device is generally set on the surface of the oil-water mixture to perform oil-water separation work. For example, a paddle is set on the surface of the oil-water mixture to sweep the surface grease to one side and the water flows to the other side. However, in this way, some grease will still remain in the separated water, and the oil-water separation effect is not good.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a recovery device for oily wastewater, comprising a box body, a partition is arranged inside the box body, the partition comprises a bottom plate supported and installed at the bottom of the box body, an inclined plate is extended upward at one end of the bottom plate, the inclined plate divides the internal space of the box body into a wastewater storage chamber and an oil storage chamber, a mounting plate is horizontally arranged at the upper end of the inclined plate, and a filter screen is arranged on the mounting plate;
[0006] An inlet pipe for conveying wastewater to the wastewater storage chamber is arranged at the upper end of the side wall of the box body, a water outlet pipe for discharging wastewater from the wastewater storage chamber is arranged below the side wall of the box body, and a liquid level height visual tube connected to the inside of the wastewater storage chamber is arranged on the outside of the box body.
[0007] Furthermore, an oil discharge pipe is provided on the side wall of the box body, and the oil discharge pipe is communicated with the inside of the oil storage chamber.
[0008] Furthermore, the bottom plate, the inclined plate and the mounting plate are an integrally formed structure, and both sides of the bottom plate, the inclined plate and the mounting plate are sealed and welded to the inner wall of the box body.
[0009] Furthermore, it also includes a filtering structure, which is installed just below the water inlet pipe extending into the box body, and is used to filter particulate impurities in the wastewater.
[0010] Furthermore, the filtering structure includes a support frame and a filtering screen, the support frame is connected to the inner wall of the box body, and the filtering screen is supported and installed on the support frame.
[0011] Furthermore, a limiting groove is arranged on the support frame, and a limiting block is arranged below the filter screen. When the filter screen is placed on the support frame, the limiting block is stuck in the limiting groove.
[0012] Furthermore, it also includes a guide plate, which is arranged below the support frame, one end of which is inclined toward the bottom of the water inlet pipe, and the lowest point of the guide plate is not higher than the horizontal height of the mounting plate.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] The utility model divides the interior of the box body by arranging a partition plate, firstly inputs wastewater into the wastewater storage chamber through the water inlet pipe box, and when the internal liquid level height of the wastewater storage chamber rises to the same level as the mounting plate, the water outlet pipe is opened to discharge the wastewater located below the wastewater storage chamber to the outside, and when the bottom of the oil layer liquid level inside the wastewater storage chamber approaches the top of the water outlet pipe, the water outlet pipe is closed, and this process is repeated, so that the oil layer located inside the wastewater storage chamber is gradually increased, and when the oil layer thickness reaches a certain degree, the oil layer liquid level can be located above the mounting plate, so that the oil can be conveniently flowed into the oil storage chamber; the oil can be uniformly collected, so that the number of times of oil cleaning can be reduced and the oil residue can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the overall structure of a device for recovering oily wastewater according to the utility model;
[0016] Figure 2 This is a cross-sectional view of a device for recovering oily wastewater according to the utility model;
[0017] Figure 3 It is a side sectional view of a device for recovering oily wastewater according to the utility model;
[0018] Figure 4The utility model is an exploded view of the filtering structure of a device for recovering oily wastewater.
[0019] In the figure: 1. Box body; 11. Water inlet pipe; 12. Water outlet pipe; 13. Liquid level visual tube; 14. Cover plate; 15. Oil discharge pipe; 2. Partition plate; 21. Bottom plate; 22. Inclined plate; 23. Mounting plate; 24. Filter screen; 3. Filter structure; 31. Filter screen; 32. Support frame; 33. Guide plate; 34. Limit block; 4. Wastewater storage chamber; 5. Oil storage chamber. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0021] See also Figure 1-Figure 4 As shown, the utility model provides a technical solution: a recovery device for oily wastewater, comprising a box body 1, a partition 2 is arranged inside the box body 1, the partition 2 comprises a bottom plate 21 supported and installed at the bottom of the box body 1, one end of the bottom plate 21 is extended upwardly and provided with an inclined plate 22, the inclined plate 22 divides the internal space of the box body 1 into a wastewater storage chamber 4 and an oil storage chamber 5, the upper end of the inclined plate 22 is horizontally provided with a mounting plate 23, and a filter screen 24 is arranged on the mounting plate 23;
[0022] An inlet pipe 11 for conveying wastewater to the wastewater storage chamber 4 is provided at the upper end of the side wall of the box body 1, an outlet pipe 12 for discharging wastewater from the wastewater storage chamber 4 is provided at the lower end of the side wall of the box body 1, and a liquid level visual tube 13 connected to the inside of the wastewater storage chamber 4 is provided on the outside of the box body 1.
[0023] During actual use of the utility model, wastewater is first input into the wastewater storage chamber 4 through the water inlet pipe 11. When the internal liquid level of the wastewater storage chamber 4 rises to the same level as the mounting plate 23, the water outlet pipe 12 is opened to discharge the wastewater below the wastewater storage chamber 4. When the bottom of the oil layer liquid level inside the wastewater storage chamber 4 is close to the top of the water outlet pipe 12, the water outlet pipe 12 is closed. This process is repeated, so that the oil layer inside the wastewater storage chamber 4 can be gradually increased. When the thickness of the oil layer reaches a certain level, the oil layer liquid level can be located above the mounting plate 23, so that the oil can flow to the oil storage chamber 5 conveniently.
[0024] In addition, a push-pull cover 14 is provided on the top of the box body 1 to prevent the odor generated by the wastewater from leaking out.
[0025] Furthermore, an oil discharge pipe 15 is provided on the side wall of the box body 1 , and the oil discharge pipe 15 is communicated with the inside of the oil storage chamber 5 .
[0026] Furthermore, the bottom plate 21 , the inclined plate 22 and the mounting plate 23 are an integrally formed structure, and both sides of the bottom plate 21 , the inclined plate 22 and the mounting plate 23 are sealed and welded to the inner wall of the box body 1 .
[0027] Furthermore, it also includes a filtering structure 3, which is installed just below the water inlet pipe 11 extending into the box body 1, and is used to filter particulate impurities in the wastewater.
[0028] Furthermore, the filtering structure 3 includes a support frame 32 and a filtering screen 31 . The support frame 32 is connected to the inner wall of the box body 1 , and the filtering screen 31 is supported and installed on the support frame 32 .
[0029] Furthermore, a limiting groove is provided on the support frame 32 , and a limiting block 34 is provided below the filter screen 31 . When the filter screen 31 is placed on the support frame 32 , the limiting block 34 is stuck in the limiting groove.
[0030] Furthermore, it also includes a guide plate 33, which is arranged below the support frame 32, and one end of the guide plate 33 is inclined toward the bottom of the water inlet pipe 11, and the lowest point of the guide plate 33 is not higher than the horizontal height of the mounting plate 23.
[0031] Working principle: By setting a support frame 32, a filter screen 31 is set above the support frame 32 to filter out impurities in the wastewater entering from the water inlet pipe 11, which can prevent impurities from floating on the surface of the oil layer and affecting the recovery of the oil. At the same time, a guide plate 33 is set below the support frame 32 to guide the wastewater entering the box body 1 to the inner wall of one side of the box body 1, so that the wastewater can fall along the inner wall of the box body 1, and the fluctuation of the liquid level inside the wastewater storage chamber 4 caused by the falling of the wastewater can be avoided.
[0032] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.
Claims
1. A device for recovering oily wastewater, characterized in that: The invention comprises a box body (1), wherein a partition (2) is arranged inside the box body (1), wherein the partition (2) comprises a bottom plate (21) supported and mounted on the bottom of the box body (1), wherein an inclined plate (22) is arranged at one end of the bottom plate (21) extending upward, wherein the inclined plate (22) divides the internal space of the box body (1) into a wastewater storage chamber (4) and an oil storage chamber (5), wherein a mounting plate (23) is arranged horizontally at the upper end of the inclined plate (22), and a filter screen (24) is arranged on the mounting plate (23); An inlet pipe (11) for conveying wastewater to the wastewater storage chamber (4) is arranged at the upper end of the side wall of the box body (1), a water outlet pipe (12) for discharging wastewater from the wastewater storage chamber (4) is arranged below the side wall of the box body (1), and a liquid level visual tube (13) communicating with the interior of the wastewater storage chamber (4) is arranged on the outside of the box body (1).
2. The oily wastewater recovery device according to claim 1, characterized in that: An oil discharge pipe (15) is also provided on the side wall of the box body (1), and the oil discharge pipe (15) is communicated with the interior of the oil storage chamber (5).
3. The oily wastewater recovery device according to claim 1, characterized in that: The bottom plate (21), the inclined plate (22) and the mounting plate (23) are an integrally formed structure, and both sides of the bottom plate (21), the inclined plate (22) and the mounting plate (23) are sealed and welded to the inner wall of the box body (1).
4. The oily wastewater recovery device according to claim 1, characterized in that: It also comprises a filtering structure (3), which is installed just below the water inlet pipe (11) extending into the interior of the box (1), and is used to filter particulate impurities in the wastewater.
5. The oily wastewater recovery device according to claim 4, characterized in that: The filtering structure (3) comprises a support frame (32) and a filtering screen (31); the support frame (32) is connected to the inner wall of the box body (1); and the filtering screen (31) is supported and mounted on the support frame (32).
6. The oily wastewater recovery device according to claim 5, characterized in that: A limiting groove is arranged on the support frame (32), and a limiting block (34) is arranged below the filter screen (31). When the filter screen (31) is placed on the support frame (32), the limiting block (34) is stuck in the limiting groove.
7. The oily wastewater recovery device according to claim 6, characterized in that: It also includes a guide plate (33), which is arranged below the support frame (32), one end of the guide plate (33) is inclined toward the bottom of the water inlet pipe (11), and the lowest point of the guide plate (33) is not higher than the horizontal height of the mounting plate (23).