Sludge recovery tank for oily sewage treatment

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a sludge recovery tank for oily sewage treatment, which comprises a recovery tank body, a water inlet pipe mounted at the top of the recovery tank body, a driving motor mounted at the top of the recovery tank body, a round rod mounted at the bottom of the driving motor and connected with the output end of the driving motor, and a plurality of rotating rods mounted on the outer wall of the round rod. A flocculating agent tank is mounted at the top of the recycling tank body. Through the arrangement of the flocculant tank, the oil suction head, the oil suction pipe, the first water pump and the rotating rod, oil in oil-containing sludge can be effectively removed, a flocculant is put into the recycling tank through the flocculant tank, the flocculant can adsorb oil contamination particles, the rotating rod can accelerate chemical reaction of the flocculant through rotation, and the oil contamination particles can be recycled. When the oil plants form large floccules, the first water pump works, and the oil suction head is utilized to collect the separated oil stains into the oil storage barrel through the oil suction pipe to complete the separation of the oil stains, so that the oil plants in the sludge are effectively removed, and the sludge recycling quality is improved.

Description

Technical Field

[0001] The utility model relates to a sludge recovery tank, in particular to a sludge recovery tank for treating oily sewage, and belongs to the technical field of sewage treatment. Background Art

[0002] Oily wastewater mainly refers to wastewater containing various oily substances and sludge generated in industrial production or daily activities. The oily substances include mineral oil, vegetable oil, animal fat oil and its decomposition products. If the oily wastewater is not treated and directly discharged into rivers, lakes and other water bodies, it will form an oil film on the water body, hindering the gas exchange between the atmosphere and the water body, destroying the balance of the aquatic ecosystem, and seriously affecting the survival and reproduction of aquatic organisms.

[0003] The actual use effect of the existing oily wastewater treatment equipment is not ideal. It is unable to effectively remove the oil in the sludge, resulting in the inability to properly recycle the sludge, wasting a large amount of organic matter, nitrogen, phosphorus, potassium and other elements in the sludge, and reducing the quality of sludge recycling. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the utility model provides a sludge recovery tank for oily wastewater treatment, which can effectively remove oil from oily sludge.

[0005] The technical solution adopted by the present invention to solve the above technical problems is:

[0006] The sludge recovery tank for treating oily wastewater comprises a recovery tank body, wherein a water inlet pipe is installed on the top of the recovery tank body, and the characteristic is that: a driving motor is installed on the top of the recovery tank body, a round rod connected to its output end is installed at the bottom of the driving motor, a plurality of rotating rods are installed on the outer wall of the round rod, an oil suction pipe is installed in the recovery tank body, an oil suction head is installed at one end of the oil suction pipe, a first water pump is installed at the end of the oil suction pipe away from the oil suction head, an oil storage barrel is installed at the bottom of the first water pump, a water suction pipe is installed on one side of the recovery tank body, a second water pump is installed at the end of the water suction pipe away from the recovery tank body, a storage box is installed at the bottom of the first water pump, two first fixing frames are symmetrically installed in the storage box, a collecting box is installed between the first fixing frames, and a filter is installed in the collecting box.

[0007] Furthermore, the filter is a conical metal filter.

[0008] Furthermore, a card slot is provided on the first fixing frame, grooves are symmetrically provided on both sides of the collection box, a card mechanism is installed in the groove, the card mechanism includes a rotating shaft, a card block is rotatably installed on the outer wall of the rotating shaft, and a first spring is installed at the bottom of the card block.

[0009] Furthermore, the engaging block is adapted to the engaging slot, and the top of the engaging block is arc-shaped.

[0010] Furthermore, a second support frame is installed on the inner wall of the storage box, and a filter plate is installed on the inner wall of the second support frame, and the filter plate is an activated carbon filter plate.

[0011] Furthermore, a baffle is installed on one side of the storage box, a hinge is installed on one side of the baffle, a fixing mechanism is installed on the side of the baffle away from the hinge, the fixing mechanism includes a fixed base, a fixed frame is installed on the fixed base, a second spring is installed in the fixed frame, a fixed block is installed on one side of the second spring, and a fixed sleeve is installed on the outer wall of the storage box.

[0012] Furthermore, one end of the fixing block is semicircular and is adapted to the fixing sleeve.

[0013] Furthermore, a fixing groove is provided on the fixing sleeve, and a pull rod is installed on the top of the fixing block, and the pull rod is adapted to the fixing groove.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] The present application can effectively remove oil from oil-containing sludge through the arrangement of a flocculant tank, an oil suction head, an oil suction pipe, a first water pump, and a rotating rod. The flocculant is first added to the recovery tank using the flocculant tank to fully adsorb and flocculate the oil particles. The rotating rod can accelerate the chemical reaction of the flocculant by rotating. When the oil forms a larger flocculent body, the first water pump starts to work. The oil suction head is used to collect the separated oil into the oil storage barrel through the oil suction pipe to complete the separation of the oil, effectively remove the oil from the sludge, and improve the quality of sludge recovery. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an overall schematic diagram of the utility model;

[0017] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of point A of the present utility model;

[0019] Figure 4 This is a cross-sectional view of the fixing mechanism of the present utility model;

[0020] Figure 5 This is a cross-sectional view of the locking mechanism of the present utility model;

[0021] In the figure, 1. recovery tank body; 2. water inlet pipe; 3. drive motor; 4. round rod; 5. rotating rod; 6. flocculant tank; 7. oil suction pipe; 8. oil suction head; 9. first water pump; 10. oil storage barrel; 11. water suction pipe; 12. second water pump; 13. storage box; 14. collection box; 15. metal filter; 16. pull rod; 17. first fixed frame; 18. groove; 19. card slot; 20. locking mechanism; 21. rotating shaft; 22. locking block; 23. first spring; 24. second support frame; 25. filter plate; 26. baffle; 27. hinge; 28. fixing mechanism; 29. fixed base; 30. fixing frame; 31. second spring; 32. fixing block; 33. fixing sleeve; 34. fixing slot. DETAILED DESCRIPTION

[0022] The technical solution of the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

[0023] like Figure 1-Figure 5 As shown, the sludge recovery tank for oily wastewater treatment provided in this embodiment includes a recovery tank body 1, a water inlet pipe 2 is installed on the top of the recovery tank body 1, a driving motor 3 is installed on the top of the recovery tank body 1, a round rod 4 connected to its output end is installed at the bottom of the driving motor 3, and a number of rotating rods 5 are installed on the outer wall of the round rod 4; a flocculant tank 6 is installed on the top of the recovery tank body 1, an oil suction pipe 7 is installed in the recovery tank body 1, an oil suction head 8 is installed at one end of the oil suction pipe 7, a first water pump 9 is installed at the end of the oil suction pipe 7 away from the oil suction head 8, and an oil storage barrel 10 is installed at the bottom of the first water pump 9; a water pumping pipe 11 is installed on one side of the recovery tank body 1, and a second water pump 12 is installed at the end of the water pumping pipe 11 away from the recovery tank body 1; a storage box 13 is installed at the bottom of the first water pump 9, and two first fixing frames 17 are symmetrically installed in the storage box 13, a collecting box 14 is installed between the first fixing frames 17, and a conical metal filter 15 is installed in the collecting box 14. First, use the flocculant tank 6 to add flocculant that can absorb oil particles into the recovery tank. The rotating rod 5 can accelerate the chemical reaction of the flocculant by rotating. When the oil forms a larger flocculent body, the first water pump 9 starts to work, and the oil suction head 8 is used to collect the separated oil through the oil suction pipe 7 into the oil storage barrel 10 to complete the separation of the oil. The separated sludge will settle at the bottom of the recovery tank. The second water pump 12 is used to discharge the sludge through the suction pipe 11 to the collection box 14 in the storage box 13. A conical metal filter 15 is provided in the collection box 14, which can filter out the sewage in the sludge and collect the sludge in the collection box 14 at the same time.

[0024] Furthermore, if Figure 1-Figure 5As shown, a card slot 18 is provided on the first fixing frame 17, and grooves 19 are symmetrically provided on both sides of the collecting box 14. A locking mechanism 20 is installed in the groove 19, and the locking mechanism 20 includes a rotating shaft 21. A locking block 22 is rotatably installed on the outer wall of the rotating shaft 21, and a first spring 23 is installed at the bottom of the locking block 22; the locking block 22 is adapted to the card slot 18, and the top of the locking block 22 is arc-shaped; when the locking block 22 in the locking mechanism 20 is pressed, the locking block 22 is retracted downward by the first spring 23, which facilitates the collection box 14 to be taken out from the first fixing frame 17 and the sludge therein is cleaned and recycled; a second support frame 24 is installed on the inner wall of the storage box 13, and a filter plate 25 is installed on the inner wall of the second support frame 24. The filter plate 25 is preferably an activated carbon filter plate, which can effectively remove suspended particulate matter in sewage, such as mud, algae, fiber, organic debris, etc.

[0025] Furthermore, if Figure 1-Figure 5 As shown, a baffle 26 is installed on one side of the storage box 13, a hinge 27 is installed on one side of the baffle 26, and a fixing mechanism 28 is installed on the side of the baffle 26 away from the hinge 27. The fixing mechanism 28 includes a fixing base 29, a fixing frame 30 is installed on the fixing base 29, a second spring 31 is installed in the fixing frame 30, a fixing block 32 is installed on one side of the second spring 31, and a fixing sleeve 33 is installed on the outer wall of the storage box 13; one end of the fixing block 32 is semicircular and is adapted to the fixing sleeve 33; a fixing groove 34 is provided on the fixing sleeve 33, and a pull rod 16 is installed on the top of the fixing block 32, and the pull rod 16 is adapted to the fixing groove 34; the baffle 26 is closed by utilizing the cooperation of the fixing block 32 and the fixing sleeve 33 in the fixing mechanism 28. When it needs to be opened, the fixing block 32 can be pressed inward by the pull rod 16 to separate it from the fixing sleeve 33 to complete the opening of the baffle 26.

[0026] like Figure 1-Figure 5 As shown, the principle of the sludge recovery tank for oily wastewater treatment provided in this embodiment is as follows: when the oily sludge needs to be deoiled and recovered, the sludge is discharged into the recovery tank through the water inlet pipe 2, and the flocculant tank 6 starts to add flocculants that can absorb oil particles into the recovery tank. After a larger flocculent body is formed, the first water pump 9 starts to work, and the oil separation is completed through the cooperation of the oil suction pipe 7 and the oil suction head 8. The sludge after separation will settle at the bottom of the recovery tank, and the second water pump 12 is used to discharge the sludge to the collection box 14 in the storage box 13 through the suction pipe 11. A conical metal filter 15 is provided in the collection box 14, which can filter out the sewage in the sludge and collect the sludge in the collection box 14 at the same time.

[0027] The above description shows and describes the preferred embodiments of the present invention. It should be understood that the present invention is not limited to the form disclosed herein. Any changes and modifications made by those skilled in the art without departing from the spirit and scope of the present invention should be within the scope of protection of the claims attached to the present invention.

Claims

1. A sludge recovery tank for treating oily wastewater, comprising a recovery tank body (1), a water inlet pipe (2) being installed on the top of the recovery tank body (1), characterized in that: A driving motor (3) is installed on the top of the recovery tank body (1); a round rod (4) connected to the output end of the driving motor (3) is installed on the bottom; a plurality of rotating rods (5) are installed on the outer wall of the round rod (4); and a flocculant tank (6) is installed on the top of the recovery tank body (1); An oil suction pipe (7) is installed in the recovery tank body (1), an oil suction head (8) is installed at one end of the oil suction pipe (7), a first water pump (9) is installed at the end of the oil suction pipe (7) away from the oil suction head (8), and an oil storage barrel (10) is installed at the bottom of the first water pump (9); A water pumping pipe (11) is installed on one side of the recovery tank body (1), and a second water pump (12) is installed on one end of the water pumping pipe (11) away from the recovery tank body (1); A storage box (13) is installed at the bottom of the first water pump (9), two first fixing frames (17) are symmetrically installed in the storage box (13), a collection box (14) is installed between the first fixing frames (17), and a filter (15) is installed in the collection box (14).

2. The sludge recovery tank for oily wastewater treatment according to claim 1, characterized in that: The filter screen (15) is a conical metal filter screen.

3. The sludge recovery tank for oily wastewater treatment according to claim 1, characterized in that: A card slot (18) is provided on the first fixing frame (17), and grooves (19) are symmetrically provided on both sides of the collection box (14). A card mechanism (20) is installed in the groove (19), and the card mechanism (20) includes a rotating shaft (21). A card block (22) is rotatably installed on the outer wall of the rotating shaft (21), and a first spring (23) is installed at the bottom of the card block (22).

4. The sludge recovery tank for oily wastewater treatment according to claim 3, characterized in that: The engaging block (22) is adapted to the engaging slot (18), and the top of the engaging block (22) is arc-shaped.

5. The sludge recovery tank for oily wastewater treatment according to claim 1, characterized in that: A second support frame (24) is symmetrically mounted on the inner wall of the storage box (13), and a filter plate (25) is mounted on the inner wall of the second support frame (24), wherein the filter plate (25) is an activated carbon filter plate.

6. The sludge recovery tank for oily wastewater treatment according to claim 1, characterized in that: A baffle (26) is installed on one side of the storage box (13), a hinge (27) is installed on one side of the baffle (26), a fixing mechanism (28) is installed on the side of the baffle (26) away from the hinge (27), the fixing mechanism (28) includes a fixing base (29), a fixing frame (30) is installed on the fixing base (29), a second spring (31) is installed in the fixing frame (30), a fixing block (32) is installed on one side of the second spring (31), and a fixing sleeve (33) is installed on the outer wall of the storage box (13).

7. The sludge recovery tank for oily wastewater treatment according to claim 6, characterized in that: One end of the fixing block (32) is semicircular and matches the fixing sleeve (33).

8. The sludge recovery tank for oily wastewater treatment according to claim 6, characterized in that: A fixing groove (34) is provided on the fixing sleeve (33), and a pull rod (16) is installed on the top of the fixing block (32), and the pull rod (16) is adapted to the fixing groove (34).

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