Oil removal and skimming device for sewage treatment

Abstract

The utility model discloses a sewage treatment deoiling and skimming device which comprises a treatment box, an oil scraping mechanism is arranged on the treatment box through a moving mechanism, a blocking mechanism matched with the oil scraping mechanism is arranged on the side wall of the treatment box, a drainage pipe is arranged on the side wall of the treatment box and located below the blocking mechanism, and a skimming pipe is arranged in the middle of the bottom end of the treatment box. Supporting legs are equidistantly arranged at the bottom end of the treatment box. The oil scraping device has the beneficial effects that after standing oil and water are layered, the layered oil can be scraped and pushed out by adjusting the height of the oil scraping mechanism and then driving the oil scraping mechanism to move, so that the oil can be conveniently discharged and collected by matching with an empty groove, oil and water separation is realized, subsequent treatment and purification operation is facilitated, and the oil scraping device is relatively simple and convenient; meanwhile, the scraping hopper can be detached and cleaned after long-time use, and the scraping effect is ensured.

Description

Technical Field

[0001] The utility model relates to the field of sewage treatment, in particular to a sewage treatment oil removal and slag skimming device. Background Art

[0002] Sewage usually refers to the discharged water from life and production that is polluted to a certain extent. Sewage mainly includes domestic sewage, industrial wastewater and initial rainwater. The main pollutants in sewage include pathogen pollutants, oxygen-consuming pollutants, plant nutrients and toxic pollutants. A large amount of industrial sewage and domestic sewage contain a large amount of oil stains. Before treating the sewage, an oil removal and skimming device is required to separate the oil and water to facilitate subsequent treatment and purification. However, the existing oil removal and skimming devices have certain defects in actual use. When removing the oil, most of them still use oil absorption felt to absorb and remove it, but the oil absorption effect decreases after repeated use. At the same time, after absorbing the oil, the absorbed oil needs to be squeezed out and collected, which is relatively cumbersome. Utility Model Content

[0003] The purpose of the utility model is to provide a sewage treatment oil removal and slag skimming device to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A sewage treatment oil removal and slag skimming device comprises a treatment box, an oil scraping mechanism is arranged on the treatment box through a moving mechanism, a sealing mechanism matching the oil scraping mechanism is arranged on the side wall of the treatment box, a drainage pipe is arranged on the side wall of the treatment box below the sealing mechanism, a slag discharge pipe is arranged in the middle of the bottom end of the treatment box, and legs are equidistantly arranged at the bottom end of the treatment box.

[0006] Furthermore, in order to facilitate the reciprocating movement of the oil scraping mechanism and the oil scraping operation, the moving mechanism includes a linear guide device symmetrically arranged on the processing box, and a guide slider is slidably arranged on the linear guide device.

[0007] Furthermore, in order to facilitate the adjustment of the height of the oil scraping mechanism and the scraping operation of the oil, the moving mechanism also includes a second electric push rod symmetrically arranged on the guide rail slider, and the output end of the second electric push rod is commonly provided with a lifting plate, which is connected to the oil scraping mechanism.

[0008] Furthermore, in order to facilitate the separation of oil and water, as well as the plug-in and disassembly operations and regular cleaning, the oil scraping mechanism includes a scraper bucket arranged under the lifting plate, the scraper bucket is symmetrically provided with plug-in columns, and the lifting plate is provided with plug-in holes matching the plug-in columns.

[0009] Furthermore, in order to ensure firmness during use and facilitate subsequent disassembly and cleaning operations, the oil scraper mechanism also includes a positioning hole opened on the plug-in column, and a positioning rod matching the positioning hole is provided on the lifting plate.

[0010] Furthermore, in order to be able to seal when standing and stratifying, and open when the oil is discharged, so as to facilitate the discharge and collection operations, the sealing mechanism includes an empty slot opened on the side wall of the processing box, a baffle is provided on the top of the empty slot, and a sealing plate is also provided in the empty slot through the first electric push rod, a sealing gasket is provided under the sealing plate, the sealing plate and the baffle cooperate, and an oil outlet guide plate matching the empty slot is provided on the side wall of the processing box.

[0011] Furthermore, in order to facilitate the observation of oil-water stratification and its liquid level height and facilitate the subsequent oil scraping operation, through holes are symmetrically opened on the processing box, and transparent observation ports are embedded in the through holes.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] (1) Through the provided moving mechanism and the oil scraping mechanism, after the oil and water are left to separate, the height of the oil scraping mechanism can be adjusted, and then the oil scraping mechanism can be moved to scrape and push out the separated oil, and then the empty groove can be used to conveniently discharge and collect the oil, so as to achieve the separation of oil and water, and facilitate the subsequent treatment and purification operation, which is relatively simple and convenient. At the same time, the scraper can be disassembled and cleaned after long-term use to ensure the scraping effect;

[0014] (2) When the oil and water are treated, the empty tank can be sealed during static stratification to prevent sewage from being discharged from the empty tank. After the stratification is completed, the oil can be discharged in conjunction with the oil scraper mechanism, thereby realizing the separate collection of water and oil, which is convenient for the processing operation. At the same time, in conjunction with the slag discharge pipe at the bottom, the solid residue can also be conveniently collected, realizing the separate collection and treatment of solid, water and oil. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a structural schematic diagram of a sewage treatment oil removal and slag skimming device according to an embodiment of the utility model;

[0017] Figure 2 It is a partial structural schematic diagram of a sewage treatment oil removal and slag skimming device according to an embodiment of the utility model;

[0018] Figure 3 It is a structural schematic diagram of a moving mechanism and an oil scraping mechanism in a sewage treatment oil removal and slag skimming device according to an embodiment of the utility model;

[0019] Figure 4 It is a partial structural schematic diagram of an oil scraping mechanism in a sewage treatment oil removal and slag skimming device according to an embodiment of the utility model.

[0020] Reference numerals:

[0021] 1. Processing box; 2. Drain pipe; 3. Support leg; 4. Oil outlet guide plate; 5. Transparent observation port; 6. Linear guide device; 7. Guide slider; 8. Slag discharge pipe; 9. Empty slot; 10. First electric push rod; 11. Baffle; 12. Sealing plate; 13. Sealing gasket; 14. Lifting plate; 15. Second electric push rod; 16. Scraper; 17. Plug column; 18. Positioning rod; 19. Plug hole; 20. Positioning hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 4 A sewage treatment oil removal and skimming device according to an embodiment of the utility model includes a treatment box 1 for separating oil and water in sewage treatment, which can be open to facilitate the addition of sewage to be treated, and a drain pipe 2 is provided on the side wall for convenient discharge of sewage (a filter screen may be provided therein to filter solid residues), and a slag discharge pipe 8 is provided at the bottom to facilitate the discharge of precipitated solid residues, and legs 3 are vertically welded at the four corners of the bottom to ensure the overall stability. In order to facilitate the observation of the static stratification of oil and water in the treatment box 1, a through hole is opened at the front end of the treatment box 1, and a transparent observation port 5 is embedded therein, which can facilitate the observation of the internal stratification and facilitate the subsequent oil discharge operation.

[0024] See also Figure 1-Figure 4In order to facilitate the separate discharge of oil after stratification and ensure the sealing when standing still, a slot 9 with a sealing mechanism is opened on the side wall of the processing box 1, and a baffle 11 is bonded to the top of the inner top of the slot 9 (the end close to the inner part of the processing box 1), and a sealing plate 12 is provided on the outer part of the inner part through a first electric push rod 10, which can seal the slot 9 in cooperation with the baffle 11, and a sealing gasket 13 for improving the sealing effect is bonded to the bottom end of the sealing plate 12, and an oil outlet guide plate 4 matching the slot 9 is provided on the side wall of the processing box 1 to facilitate the discharge of oil, and a collecting box can be provided at its bottom to facilitate the collection of the oil discharged by stratification and facilitate subsequent processing and purification operations.

[0025] See also Figure 1-Figure 4 In order to facilitate the discharge of the stratified oil, two sets of linear guide rail devices 6 of moving mechanisms are installed on the top of the processing box 1, and the upper sliding is matched with a guide rail slider 7, which can be driven by a linear motor, or the reciprocating movement of the guide rail slider 7 can be achieved by a reciprocating screw rod or the like. It is a relatively mature technology and will not be described in detail here. A second electric push rod 15 is vertically installed on the two guide rail sliders 7, and a lifting plate 14 is commonly installed on the output end of the second electric push rod 15. The lifting plate 14 is provided with a plug-in hole 19 of the oil scraping mechanism, and a plug-in column 17 is plugged in it. In order to position it and facilitate subsequent disassembly operations, a positioning hole 20 is provided on the plug-in column 17 (which is located above the lifting plate 14 after plugging), and a positioning rod 18 is provided on the lifting plate 14 for convenient plugging of the positioning hole 20. A scraper 16 is welded at the bottom end of the plug-in column 17, which can be conveniently matched with the transparent observation port 5 to push and scrape the stratified oil, so as to facilitate discharge through the oil outlet guide plate 4.

[0026] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0027] The sewage to be treated is added into the treatment box 1 and allowed to stand to achieve stratification of solid, water and oil. The stratification of oil and water can be observed through the transparent observation port 5. After the stratification is completed, the drain pipe 2 is opened to drain the water. As the liquid level drops, the drain pipe 2 is closed when the stratification line is slightly higher than the bottom of the empty slot 9 as observed through the transparent observation port 5. At this time, the second electric push rod 15 is retracted to move the lifting plate 14 downward, and the scraper 16 enters the treatment box 1. It is observed through the transparent observation port 5 that it stops retracting when it is lower than the stratification point. The first electric push rod 10 is retracted to move the sealing plate 12 upward, and the empty slot 9 is opened. The oil is discharged through the empty slot 9 and the oil outlet guide plate 4. At the same time, the linear guide device 6 works to move the guide slider 7, and then the scraper 16 can be moved toward the empty slot. 9 moves slowly in the direction of the oil, thereby pushing the oil to facilitate the discharge operation. After the oil discharge operation is completed, the first electric push rod 10 can be extended, and the empty slot 9 can be sealed through the sealing plate 12 and the sealing gasket 13. The second electric push rod 15 is extended to move the scraper 16 out. At the same time, the linear guide device 6 works with the overall reset, which is convenient for the next oil discharge operation. The drain pipe 2 can discharge water, and the slag discharge pipe 8 can discharge the solid residue inside, thereby completing the oil and slag removal operation, which is convenient for subsequent processing and purification operations. When the scraper 16 needs to be disassembled and cleaned for a period of time, the positioning rod 18 can be taken out from the positioning hole 20, the limit on the plug-in column 17 is lost, and the scraper 16 can be pulled downward to remove it, which is convenient for cleaning.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sewage treatment oil removal and skimming device, comprising a treatment box (1), characterized in that: An oil scraping mechanism is provided on the processing box (1) via a moving mechanism, a sealing mechanism matching the oil scraping mechanism is provided on the side wall of the processing box (1), a drainage pipe (2) is provided on the side wall of the processing box (1) below the sealing mechanism, a slag discharge pipe (8) is provided in the middle of the bottom end of the processing box (1), and legs (3) are equidistantly provided at the bottom end of the processing box (1).

2. A sewage treatment oil removal and skimming device according to claim 1, characterized in that: The moving mechanism comprises a linear guide rail device (6) symmetrically arranged on the processing box (1), and a guide rail slider (7) is slidably arranged on the linear guide rail device (6).

3. A sewage treatment oil removal and skimming device according to claim 2, characterized in that: The moving mechanism further comprises a second electric push rod (15) symmetrically arranged on the guide rail slider (7), and the output end of the second electric push rod (15) is commonly provided with a lifting plate (14), and the lifting plate (14) is connected to the oil scraping mechanism.

4. A sewage treatment oil removal and skimming device according to claim 3, characterized in that: The oil scraping mechanism comprises a scraping bucket (16) arranged under a lifting plate (14), the scraping bucket (16) is symmetrically provided with plugging posts (17), and the lifting plate (14) is provided with plugging holes (19) matching the plugging posts (17).

5. A sewage treatment oil removal and skimming device according to claim 4, characterized in that: The oil scraping mechanism also includes a positioning hole (20) formed on the plug-in column (17), and a positioning rod (18) matching the positioning hole (20) is provided on the lifting plate (14).

6. A sewage treatment oil removal and skimming device according to claim 5, characterized in that: The blocking mechanism comprises a slot (9) formed on a side wall of a treatment box (1), a baffle (11) being provided at the top end of the slot (9), a blocking plate (12) being provided in the slot (9) through a first electric push rod (10), a sealing gasket (13) being provided under the blocking plate (12), the blocking plate (12) being matched with the baffle (11), and an oil outlet guide plate (4) matching the slot (9) being provided on the side wall of the treatment box (1).

7. A sewage treatment oil removal and skimming device according to claim 6, characterized in that: The processing box (1) is symmetrically provided with through holes, and a transparent observation port (5) is embedded in the through holes.

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