Oily wastewater treatment equipment

Abstract

The utility model discloses oily wastewater treatment equipment which comprises a box body, a feeding device, an observation mechanism and a deslagging device are arranged on the box body, the deslagging device comprises a material blocking mechanism, an installation frame, a driving roller, a driven roller, a first chain wheel, a second chain wheel, a chain and a scraper blade, the installation frame is arranged on the box body, and the observation mechanism is arranged on the installation frame. According to the oil-containing wastewater treatment device, the first liquid inlet pipe and the second liquid inlet pipe are arranged, so that oil-containing wastewater and air-dissolved water can be introduced at the same time, when the oil-containing wastewater and the air-dissolved water enter the box body, the oil-containing wastewater and the air-dissolved water can be discharged out of the box body, and the oil-containing wastewater and the air-dissolved water can be discharged out of the box body. The gas in the gas-dissolved water releases small bubbles and drives the oil component to move upwards until the oil component floats to the water surface, and at the moment, the oil component and floating objects can be scraped into the collecting hopper through the slag discharging device, so that the oil component is discharged.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, and more specifically, it relates to an oily wastewater treatment device. Background Art

[0002] When treating oily wastewater, it is necessary to first remove the oil content in the wastewater. At present, most of the oily wastewater treatment devices filter hydrophobic oil and hydrophilic oil through various filter cotton and filter materials. When the filter cotton or filter material is used for a long time, it needs to be replaced regularly by shutting down the machine, resulting in high material costs, high time costs, and being time-consuming and laborious. In addition, some oily wastewater treatment devices remove the oil content by releasing bubbles from the dissolved air water to the water surface and then scraping the oil content from the water surface, but most of the existing oily wastewater treatment devices are not easy to monitor the water level. Summary of the Utility Model

[0003] (1) Technical Problems to be Solved

[0004] In view of the problems existing in the prior art, the utility model provides an oily wastewater treatment device to solve the technical problems mentioned in the background art.

[0005] (2) Technical Solutions

[0006] To achieve the above object, the utility model provides the following technical solution: an oily wastewater treatment device, including a box body, on which a feeding device, an observation mechanism and a slag discharging device are provided. The slag discharging device includes a material blocking mechanism, a mounting frame, a driving roller, a driven roller, a first sprocket, a second sprocket, a chain and a scraper. The mounting frame is arranged on the box body, the driving roller and the driven roller are both rotatably connected to the mounting frame. A driving motor is arranged on one side of the mounting frame, and the output shaft of the driving motor is connected to the driving roller. The first sprocket and the second sprocket are respectively fixedly sleeved outside the driving roller and the driven roller. The chain cooperates with the first sprocket and the second sprocket. A plurality of scrapers are provided and are arranged at equal intervals on the chain. The observation mechanism includes a measuring cylinder, a support rod and a connecting pipe. The support rod is fixedly arranged on one side of the box body, the measuring cylinder is fixedly connected to the support rod, and the two ends of the connecting pipe are respectively communicated with the measuring cylinder and the box body. A first valve is arranged on the connecting pipe, a slag discharging pipe is arranged at the bottom of the measuring cylinder, and a second valve is arranged on the slag discharging pipe.

[0007] The utility model is further arranged as follows: the feeding device includes a Y-shaped pipe, a delivery pump and a delivery pipe. One end of the Y-shaped pipe is connected to the delivery pump, and the other two ends are respectively provided with a first liquid inlet pipe and a second liquid inlet pipe. One end of the delivery pipe is connected to the delivery pump, and the other end is arranged near the bottom in the box body.

[0008] The present utility model is further configured such that the material blocking mechanism includes a baffle, a connecting frame, and a lifting cylinder. There are two lifting cylinders and two connecting frames. The two lifting cylinders are respectively arranged on both sides of the box body, and the telescopic ends of the two lifting cylinders are both connected to the lower surface of the connecting frame. The two connecting frames are respectively fixedly connected to both ends of the baffle.

[0009] The present utility model is further configured such that one side of the box body is provided with a sewage discharge groove, and a slot cooperating with the baffle is arranged at the sewage discharge groove. The baffle is slidably arranged in the slot.

[0010] The present utility model is further configured such that one side of the box body is provided with a collecting hopper. The bottom end of the collecting hopper is provided with a first sewage discharge pipe and a second sewage discharge pipe, and the collecting hopper is arranged below the sewage discharge groove.

[0011] The present utility model is further configured such that a third valve is arranged on the first sewage discharge pipe, and a fourth valve is arranged on the second sewage discharge pipe.

[0012] The present utility model is further configured such that scale lines are arranged on the measuring cylinder.

[0013] The present utility model is further configured such that a liquid discharge pipe is arranged at the bottom of the box body, and a fifth valve is arranged on the liquid discharge pipe.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the present utility model provides an oily wastewater treatment device, which has the following beneficial effects:

[0016] 1. In the present utility model, a first liquid inlet pipe and a second liquid inlet pipe are provided, and oily wastewater and dissolved air water can be introduced simultaneously. When the oily wastewater and the dissolved air water enter the box body, the gas in the dissolved air water releases small bubbles, which drive the oil components to move upward until they float to the water surface. At this time, the oil components and floating substances can be scraped into the collecting hopper through the slag discharging device, so as to realize the discharge of the oil components.

[0017] 2. In the present utility model, an observation mechanism is provided. The measuring cylinder is communicated with the water level in the box body, and the water level at this time can be judged through the scale lines on the measuring cylinder. When the water level reaches a certain value, the water inlet is stopped at this time, and slag discharging is carried out through the slag discharging device, and it is convenient to clean the measuring cylinder.

[0018] 3. In the present utility model, a collecting hopper is provided, which is convenient for collecting the discharged waste. A first sewage discharge pipe and a second sewage discharge pipe are provided, and different external collecting buckets can be respectively placed below the first sewage discharge pipe and the second sewage discharge pipe, and sewage discharge is carried out through the first sewage discharge pipe and the second sewage discharge pipe in sequence. Description of the drawings

[0019] Figure 1This is a schematic diagram of the overall structure of the oil-containing wastewater treatment equipment in the present utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the observation mechanism in the present utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the slag discharging device without the baffle mechanism in the present utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the box body and the material baffle mechanism in the present utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the box body in the present utility model.

[0024] In the figure: 1. Box body; 2. Mounting frame; 3. Driving roller; 4. Driven roller; 5. First sprocket; 6. Second sprocket; 7. Chain; 8. Scraper; 9. Driving motor; 10. Measuring cylinder; 11. Support rod; 12. Connecting pipe; 13. First valve; 14. Slag discharge pipe; 15. Second valve; 16. Y-shaped pipe; 17. Delivery pump; 18. Delivery pipe; 19. First liquid inlet pipe; 20. Second liquid inlet pipe; 21. Baffle; 22. Connecting frame; 23. Lifting cylinder; 24. Sewage discharge tank; 25. Slot; 26. Collection hopper; 27. First sewage discharge pipe; 28. Second sewage discharge pipe; 29. Third valve; 30. Fourth valve; 31. Scale line; 32. Liquid discharge pipe; 33. Fifth valve. Detailed implementation manners

[0025] It should be noted that, without conflict, the embodiments in this application and the features in the embodiments may be combined with each other. The present utility model will be described in detail below with reference to the drawings and in conjunction with the embodiments.

[0026] It should be pointed out that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs.

[0027] In the present utility model, unless otherwise stated, the orientations such as "upper, lower" are generally in the directions shown in the drawings, or in the vertical, perpendicular or gravitational directions; similarly, for ease of understanding and description, "left, right" are generally in the left and right shown in the drawings; "inside, outside" refer to the inside and outside relative to the contours of the respective components, but the above orientation terms are not used to limit the present utility model.

[0028] Please refer to Figures 1-5, The oil-containing wastewater treatment equipment includes a box body 1. The box body 1 is provided with a feeding device, an observation mechanism and a slag discharging device. The slag discharging device includes a material blocking mechanism, a mounting frame 2, a driving roller 3, a driven roller 4, a first sprocket 5, a second sprocket 6, a chain 7 and a scraper 8. The mounting frame 2 is arranged on the box body 1. The driving roller 3 and the driven roller 4 are both rotatably connected to the mounting frame 2. A driving motor 9 is arranged on one side of the mounting frame 2, and the output shaft of the driving motor 9 is connected to the driving roller 3. The first sprocket 5 and the second sprocket 6 are respectively fixedly sleeved outside the driving roller 3 and the driven roller 4. The chain 7 cooperates with the first sprocket 5 and the second sprocket 6. A plurality of scrapers 8 are arranged and are equidistantly spaced on the chain 7. The observation mechanism includes a measuring cylinder 10, a support rod 11 and a connecting pipe 12. The support rod 11 is fixedly arranged on one side of the box body 1, and the measuring cylinder 10 is fixedly connected to the support rod 11. The two ends of the connecting pipe 12 are respectively communicated with the measuring cylinder 10 and the box body 1. A first valve 13 is arranged on the connecting pipe 12. A slag discharging pipe 14 is arranged at the bottom of the measuring cylinder 10, and a second valve 15 is arranged on the slag discharging pipe 14. The feeding device includes a Y-shaped pipe 16, a delivery pump 17 and a delivery pipe 18. One end of the Y-shaped pipe 16 is connected to the delivery pump 17, and the other two ends are respectively provided with a first liquid inlet pipe 19 and a second liquid inlet pipe 20. One end of the delivery pipe 18 is connected to the delivery pump 17, and the other end is arranged near the bottom inside the box body 1. The material blocking mechanism includes a baffle 21, a connecting frame 22 and a lifting cylinder 23. There are two lifting cylinders 23 and two connecting frames 22. The two lifting cylinders 23 are respectively arranged on both sides of the box body 1, and the telescopic ends of the two lifting cylinders 23 are both connected to the lower surface of the connecting frame 22. The two connecting frames 22 are respectively fixedly connected to both ends of the baffle 21. A sewage discharge groove 24 is arranged on one side of the box body 1, and a slot 25 matching the baffle 21 is arranged at the sewage discharge groove 24. The baffle 21 is slidably arranged in the slot 25. Scale lines 31 are arranged on the measuring cylinder 10.

[0029] In this embodiment, the first liquid inlet pipe 19 is communicated with the external oil-containing wastewater, and the second liquid inlet pipe 20 is communicated with the external dissolved air water tank. The delivery pump 17 is started to simultaneously suck the oil-containing wastewater and the dissolved air water into the box body 1 until the water level reaches the scale line 31. At this time, it is left standing for a period of time, and the gas in the dissolved air water precipitates into small bubbles, driving the oil in the water to move upward until it moves out of the water surface. Then the lifting cylinder 23 is started to drive the baffle 21 to move downward to the scale line 31. At this time, the floating matter exceeds the top of the baffle 21. The driving motor 9 is started to drive the driving roller 3 to rotate, drive the chain 7 to rotate through the first sprocket 5 and the second sprocket 6, and finally drive the scraper 8 to move, pushing the floating matter in the box body 1 to the sewage discharge groove 24, crossing the baffle 21 and discharging it into the collecting hopper 26 below.

[0030] Please refer to Figures 1-5As an embodiment of the box body 1: a collecting hopper 26 is provided on one side of the box body 1, a first sewage pipe 27 and a second sewage pipe 28 are provided at the bottom of the collecting hopper 26, and the collecting hopper 26 is arranged below the sewage tank 24. A third valve 29 is provided on the first sewage pipe 27, and a fourth valve 30 is provided on the second sewage pipe 28. A liquid discharge pipe 32 is provided at the bottom of the box body 1, and a fifth valve 33 is provided on the liquid discharge pipe 32.

[0031] More specifically, different collection buckets are placed under the first sewage pipe 27 and the second sewage pipe 28. The third valve 29 on the first sewage pipe 27 is opened first to discharge the sewage in the collection bucket 26 from the first sewage pipe 27 to the collection bucket below it. After the sewage is full, the third valve 29 is closed and the fourth valve 30 is opened to discharge the sewage in the collection bucket 26 into another collection bucket. In the process, the sewage in the collection bucket below the first sewage pipe 27 is transported to the unified sewage collection place for dumping, and After pouring out the sewage, the collection bucket is placed back under the first sewage pipe 27. When the water in the box body 1 is drained of oil, the fifth valve 33 is opened to discharge the treated water in the box body 1 from the drainage pipe 32; when there are many floating objects in the measuring cylinder 10 and they hang on the wall and affect the observation of the water level, the first valve 13 is closed and the second valve 15 is opened to discharge the water in the measuring cylinder 10 from the slag discharge pipe 14, and clean water is injected into the measuring cylinder 10 and repeatedly cleaned. After cleaning, the second valve 15 is closed and the first valve 13 is reopened.

[0032] In summary, when the overall equipment is in use or running: the first liquid inlet pipe 19 is connected to the external oily wastewater, the second liquid inlet pipe 20 is connected to the external dissolved air water tank, the delivery pump 17 is started, and the oily wastewater and dissolved air water are sucked into the box body 1 at the same time until the water level reaches the scale line 31. At this time, it is left to stand for a period of time, and the gas in the dissolved air water precipitates small bubbles, which drive the oil in the water to move upward until it moves out of the water surface, and then the lifting cylinder 23 is started to drive the baffle 21 to move downward to the scale line 31. At this time, the floating objects exceed the top of the baffle 21, and the driving motor 9 is started to drive the driving roller 3 to rotate, and the chain 7 is driven to rotate through the first sprocket 5 and the second sprocket 6, and finally the scraper 8 is driven to move, and the floating objects in the box body 1 are pushed to the sewage trough 24, and discharged over the baffle 21 into the collection bucket 26 below.

[0033] Place different collection buckets under the first sewage pipe 27 and the second sewage pipe 28, first open the third valve 29 on the first sewage pipe 27, and discharge the sewage in the collection bucket 26 from the first sewage pipe 27 to the collection bucket below it. After the collection is full, close the third valve 29 and open the fourth valve 30 to discharge the sewage in the collection bucket 26 into another collection bucket. In the process, transport the sewage in the collection bucket under the first sewage pipe 27 to the unified sewage collection place for dumping, and pour out The collection bucket after sewage is placed under the first sewage pipe 27 again. When the water in the box body 1 is drained of oil, the fifth valve 33 is opened to discharge the treated water in the box body 1 from the drainage pipe 32; when there are many floating objects in the measuring cylinder 10 and they hang on the wall and affect the observation of the water level, the first valve 13 is closed and the second valve 15 is opened to discharge the water in the measuring cylinder 10 from the slag discharge pipe 14, and clean water is injected into the measuring cylinder 10 and repeatedly cleaned. After cleaning, the second valve 15 is closed and the first valve 13 is reopened.

[0034] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. An oily wastewater treatment device, comprising a housing (1), characterized in that: The box body (1) is provided with a feeding device, an observation mechanism and a slag discharge device, and the slag discharge device comprises a material blocking mechanism, a mounting frame (2), a driving roller (3), a driven roller (4), a first sprocket (5), a second sprocket (6), a chain (7) and a scraper (8). The mounting frame (2) is arranged on the box body (1), and the driving roller (3) and the driven roller (4) are both rotatably connected to the mounting frame (2). A driving motor (9) is provided on one side of the mounting frame (2), and the output shaft of the driving motor (9) is connected to the driving roller (3). The first sprocket (5) and the second sprocket (6) are respectively fixedly sleeved on the driving roller (3) and the driven roller (4). The chain (7) cooperates with the first sprocket (5) and the second sprocket (6); a plurality of scrapers (8) are provided and are arranged on the chain (7) at equal intervals; the observation mechanism comprises a measuring cylinder (10), a support rod (11) and a connecting pipe (12); the support rod (11) is fixedly arranged on one side of the box body (1); the measuring cylinder (10) and the support rod (11) are fixedly connected; the two ends of the connecting pipe (12) are respectively connected to the measuring cylinder (10) and the box body (1); a first valve (13) is provided on the connecting pipe (12); a slag discharge pipe (14) is provided at the bottom of the measuring cylinder (10); and a second valve (15) is provided on the slag discharge pipe (14).

2. The oily wastewater treatment equipment according to claim 1 is characterized in that: The feeding device comprises a Y-shaped tube (16), a delivery pump (17) and a delivery tube (18); one end of the Y-shaped tube (16) is connected to the delivery pump (17), and the other two ends are respectively provided with a first liquid inlet tube (19) and a second liquid inlet tube (20); one end of the delivery tube (18) is connected to the delivery pump (17), and the other end is arranged in the box body (1) near the bottom.

3. The oily wastewater treatment equipment according to claim 1 is characterized in that: The material blocking mechanism comprises a baffle (21), a connecting frame (22) and a lifting cylinder (23). Two lifting cylinders (23) and two connecting frames (22) are provided. The two lifting cylinders (23) are respectively provided on both sides of the box body (1), and the telescopic ends of the two lifting cylinders (23) are connected to the lower surface of the connecting frame (22). The two connecting frames (22) are respectively fixedly connected to the two ends of the baffle (21).

4. The oily wastewater treatment equipment according to claim 3 is characterized in that: A sewage drain groove (24) is provided on one side of the box body (1), a slot (25) matching with the baffle plate (21) is provided at the sewage drain groove (24), and the baffle plate (21) is slidably arranged in the slot (25).

5. The oily wastewater treatment equipment according to claim 4 is characterized in that: A collecting hopper (26) is provided on one side of the box body (1), a first sewage discharge pipe (27) and a second sewage discharge pipe (28) are provided at the bottom end of the collecting hopper (26), and the collecting hopper (26) is arranged below the sewage discharge trough (24).

6. The oily wastewater treatment equipment according to claim 5 is characterized in that: The first sewage pipe (27) is provided with a third valve (29), and the second sewage pipe (28) is provided with a fourth valve (30).

7. The oily wastewater treatment equipment according to claim 4 is characterized in that: The measuring cylinder (10) is provided with scale lines (31).

8. The oily wastewater treatment equipment according to claim 1 is characterized in that: A liquid discharge pipe (32) is provided at the bottom of the box body (1), and a fifth valve (33) is provided on the liquid discharge pipe (32).

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