CN112794587A

CN112794587A - Oily sludge reduction equipment

Info

Publication number: CN112794587A
Application number: CN202011473968.8A
Authority: CN
Inventors: 陈跃华
Original assignee: Nanjing Jinni Resources And Environment Technology Co ltd
Current assignee: Nanjing Jinni Resources And Environment Technology Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-05-14
Also published as: WO2022126505A1

Abstract

The invention relates to the technical field of machinery, in particular to oily sludge reduction equipment which comprises a dewatering box, a centrifugal rotary drum, filter screens, a driving mechanism, an extrusion mechanism and a drain hole, wherein the centrifugal rotary drum is rotatably connected in the dewatering box and is positioned at the center of the dewatering box, the side wall of the centrifugal rotary drum is fixedly connected with four filter screens, the four filter screens are uniformly distributed on the centrifugal rotary drum, the driving mechanism is arranged at the upper end of the side wall of the dewatering box, a driving bevel gear is driven to rotate by a servo motor of the driving mechanism, so that a linkage rotary plate and the centrifugal rotary drum can synchronously rotate, the moisture and liquid oil in the oily sludge in the centrifugal rotary drum can be centrifugally filtered, an oily sludge block is rapidly dried, the sludge volume is reduced, the sludge is convenient to transport, and simultaneously, a pressing plate of the extrusion mechanism synchronously slides downwards along with the rotation of the, the sludge is extruded, so that the dehydration efficiency of the sludge can be accelerated, and the sludge reduction treatment efficiency is finally improved.

Description

Oily sludge reduction equipment

Technical Field

The invention relates to the technical field of machinery, in particular to oil-containing sludge reduction equipment.

Background

The oily sludge is also called three sludge (bottom sludge of an oil separation tank, floating slag of a floating tank and residual activated sludge) of petrochemical enterprises, generally contains a large amount of organic matters, hydrocarbons and oils, has high water content and large volume, and the bottom sludge of the oil storage tank, the bottom sludge of the oil separation tank and the floating slag of the three sludge of the petrochemical enterprises belong to the oily sludge which has different compositions, the oily sludge is an emulsification system firmly bonded by petroleum hydrocarbons, colloid, asphaltene, silt, inorganic floc, organic floc, water, other organic matters and inorganic matters, the oily sludge belongs to dangerous wastes according to the national dangerous waste record issued and implemented, the residual activated sludge is derived from a sewage biochemical treatment unit and is an extremely complex heterogeneous body consisting of organic substance residues, bacteria, inorganic particles, colloid and the like, the residual activated sludge generated by the petrochemical enterprises is listed in a dangerous exemption management list, however, whether the sludge belongs to the hazardous waste or not needs to be determined according to the national hazardous waste identification standard and identification method, and at present, the residual activated sludge produced by most petrochemical enterprises is still managed and disposed as the hazardous waste.

Because the oily sludge contains a water-oil mixture, the sludge is large in size and has certain fluidity, when the oily sludge is transported, the loading and unloading are troublesome, and the oil stain and the water stain drip can occur in the transportation process, so that the environmental pollution is caused, however, the oily sludge is reduced by a filtering and drying method, the sludge size is reduced, when the sludge can be conveniently transported, the filtering and drying need a long process, the sludge reduction treatment cannot be quickly realized, and the method is not suitable for the sludge reduction treatment with large volume.

Disclosure of Invention

The invention aims to provide oil-containing sludge reduction equipment to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an oily sludge reduction equipment, includes dewatering box, centrifugal rotary drum, filter screen, actuating mechanism, extrusion mechanism and wash port, just be located dewatering box central point and put swivelling joint with a centrifugal rotary drum in the dewatering box, four filter screens of centrifugal rotary drum lateral wall fixedly connected with, four the filter screen is located evenly distributed on the centrifugal rotary drum, actuating mechanism sets up in dewatering box lateral wall upper end, extrusion mechanism sets up in the centrifugal rotary drum, the wash port has evenly been seted up to dewatering box outside lower extreme.

Preferably, the driving mechanism comprises a driving box, two servo motors, a fixed rotating shaft, a driving bevel gear, a linkage rotating plate and a driven bevel gear, the driving box is provided with two driving boxes which are fixedly connected to the upper end of the outer side of the dewatering box, the two driving boxes are positioned on the outer side of the dewatering box and symmetrically distributed, the two driving boxes are internally and fixedly connected with one servo motor, the output end of the servo motor is fixedly connected with one fixed rotating shaft, one ends of the fixed rotating shafts, far away from the servo motors, penetrate through the side wall of the dewatering box and are fixedly connected with one driving bevel gear, the linkage rotating plate is rotatably connected in the dewatering box and positioned above the driving bevel gear, the inner side of the linkage rotating plate is fixedly connected to the centrifugal rotating cylinder, the lower end of the linkage rotating plate is fixedly connected with one driven bevel gear at the position, the fixed bearing is fixedly connected to the joint of the fixed rotating shaft and the side wall of the dewatering box, the outer side of the outer ring of the fixed bearing is fixedly connected to the inside of the side wall of the dewatering box, and the inner side of the inner ring of the fixed bearing is fixedly connected to the fixed rotating shaft.

Preferably, the extrusion mechanism includes support frame, backup pad, threaded rod, limiting plate, stripper plate, spacing slider and spacing spout, the even fixed connection of support frame is in the dewatering box upper end outside, backup pad of support frame upper end fixedly connected with, just be located backup pad central point and put threaded rod of threaded connection in the backup pad, limiting plate of backup pad and fixedly connected with is passed to the threaded rod upper end, the threaded rod lower extreme passes a stripper plate of backup pad and fixedly connected with, stripper plate sliding connection is in centrifugal rotary drum.

Preferably, four limiting slide blocks are uniformly and fixedly connected to the outer side of the extrusion plate, a limiting slide groove is formed in the inner side wall of the centrifugal rotary drum and located between two adjacent filter screens, and the limiting slide blocks are connected in the corresponding limiting slide grooves in a sliding mode.

Preferably, the joints of the centrifugal rotating drum and the side wall of the dewatering box are fixedly connected with a sealing bearing, the outer sides of the outer rings of the sealing bearings are fixedly connected in the side wall of the dewatering box, and the inner sides of the inner rings of the sealing bearings are fixedly connected on the centrifugal rotating drum.

Preferably, the outer side of the centrifugal rotating drum is rotatably connected with a guide plate at the bottom of the dewatering box, the lower end of the centrifugal rotating drum is clamped with a sealing plug, and the outer side of the lower end of the dewatering box is uniformly and fixedly connected with a group of fixed supports.

Compared with the prior art, the invention has the beneficial effects that: the servo motor through actuating mechanism drives the initiative bevel gear and rotates, thereby can make linkage commentaries on classics board and centrifugal rotary drum synchronous rotation, can carry out centrifugal filtration with moisture and liquid oil in the oily sludge in the centrifugal rotary drum, with the fast drying of oily sludge block, thereby reduce the mud volume, the sludge transportation of being convenient for, the rotation that follows the centrifugal rotary drum simultaneously through the clamp plate of extrusion mechanism slides downwards in step, extrude mud, can accelerate the dehydration efficiency of mud, finally improve mud minimizing treatment efficiency.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic top sectional view of the centrifuge bowl of the present invention;

FIG. 4 is a front sectional view of the centrifuge bowl of the present invention;

fig. 5 is a schematic diagram of the front appearance structure of the present invention.

In the figure: 1. a dewatering box; 2. a centrifugal drum; 3. a filter screen; 4. a drive mechanism; 41. a drive box; 42. a servo motor; 43. fixing the rotating shaft; 44. a driving bevel gear; 45. a linkage rotating plate; 46. a driven bevel gear; 47. fixing the bearing; 5. an extrusion mechanism; 51. a support frame; 52. a support plate; 53. a threaded rod; 54. a limiting plate; 55. a pressing plate; 56. a limiting slide block; 57. a limiting chute; 6. sealing the bearing; 7. a baffle; 8. a drain hole; 9. a sealing plug; 10. and fixing the bracket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an oiliness mud minimizing equipment, including dewatering box 1, centrifugal rotary drum 2, filter screen 3, actuating mechanism 4, extrusion mechanism 5 and

wash port

8, 1 interior and the 1 central point that is located dewatering box puts swivelling joint and has a centrifugal rotary drum 2, four filter screens 3 of 2 lateral walls fixedly connected with of centrifugal rotary drum, four filter screens 3 are located evenly distributed on centrifugal rotary drum 2, actuating mechanism 4 sets up in 1 lateral wall upper end of dewatering box, extrusion mechanism 5 sets up in centrifugal rotary drum 2, wash port 8 has evenly been seted up to 1 outside lower extreme of dewatering box, through discharging the water and the oil stain in the oiliness mud, can reduce the mud volume, be convenient for to the mud transportation.

The connection part of the centrifugal rotary drum 2 and the side wall of the dewatering box 1 is fixedly connected with a sealing bearing 6, the outer side of the outer ring of the sealing bearing 6 is fixedly connected in the side wall of the dewatering box 1, the inner side of the inner ring of the sealing bearing 6 is fixedly connected on the centrifugal rotary drum 2, the sealing bearing 6 can fix the centrifugal rotary drum 2 under the condition of not influencing the rotation of the centrifugal rotary shaft 2 and can prevent water from flowing out from the connection part of the centrifugal rotary drum 2 and the dewatering box 1, the outer side of the centrifugal rotary drum 2 is rotatably connected with a guide plate 7 at the bottom of the dewatering box 1, the lower end of the centrifugal rotary drum 2 is clamped with a sealing plug 9, the outer side of the lower end of the dewatering box 1 is uniformly and fixedly connected with a group of fixed brackets 10, the fixed brackets 10 can support the whole device, the sealing plug 9 can conveniently discharge sludge in the centrifugal rotary drum, and discharges water and oil through the drain hole 8, the driving mechanism 4 includes a driving box 41, a servo motor 42, a fixed rotating shaft 43, a driving bevel gear 44, a linkage rotating plate 45 and a driven bevel gear 46, the driving box 41 is provided with two driving boxes 41 which are both fixedly connected to the upper end of the outer side of the dewatering box 1, the two driving boxes 41 are symmetrically distributed on the outer side of the dewatering box 1, the servo motor 42 is fixedly connected to each of the two driving boxes 41, the output end of the servo motor 42 is fixedly connected with a fixed rotating shaft 43, one end of the fixed rotating shaft 43 far away from the servo motor 42 penetrates through the side wall of the dewatering box 1 and is both fixedly connected with a driving bevel gear 44, the linkage rotating plate 45 is rotatably connected to the inside of the dewatering box 1 and is positioned above the driving bevel gear 44, the inner side of the linkage rotating plate 45 is fixedly connected to the centrifugal drum 2, the, the driving bevel gear 44 is meshed with the driven bevel gear 46, the joint of the fixed rotating shaft 43 and the side wall of the dewatering box 1 is fixedly connected with a fixed bearing 47, the outer side of the outer ring of the fixed bearing 47 is fixedly connected in the side wall of the dewatering box 1, the inner side of the inner ring of the fixed bearing 47 is fixedly connected on the fixed rotating shaft 43, the servo motor 42 of the driving mechanism 4 drives the driving bevel gear 44 to rotate, so that the linkage rotating plate 45 and the centrifugal rotating drum 2 can synchronously rotate, the water and liquid oil in the oil-containing sludge in the centrifugal rotating drum 2 can be centrifugally filtered, the oil-containing sludge is quickly dried, the extruding mechanism 5 comprises a supporting frame 51, a supporting plate 52, a threaded rod 53, a limiting plate 54, an extruding plate 55, a limiting slide block 56 and a limiting slide groove 57, the supporting frame 51 is uniformly and fixedly connected on the outer side of the upper end, on the backup pad 52 and be located backup pad 52 central point and put threaded connection and have a threaded rod 53, threaded rod 53 upper end is passed backup pad 52 and limiting plate 54 of fixedly connected with, threaded rod 53 lower extreme passes backup pad 52 and stripper plate 55 of fixedly connected with, stripper plate 55 sliding connection is in centrifugal rotary drum 2, four limit slider 56 of the even fixedly connected with in stripper plate 55 outside, 2 inside walls of centrifugal rotary drum just are located and have all seted up a limit chute 57 between two adjacent filter screens 3, the equal sliding connection of limit slider 56 is in corresponding limit chute 57, the synchronous lapse of rotation of centrifugal rotary drum 2 is followed to clamp plate 55 through extrusion mechanism 5, extrude mud, can accelerate the dehydration efficiency of mud, finally improve mud minimizing treatment efficiency.

Specifically, when the invention is used, firstly, the whole device is connected with an external power supply, then oily sludge is poured into the centrifugal rotating drum 2 through the upper end of the centrifugal rotating drum 2, then the extrusion plate 55 extends into the centrifugal rotating drum 2, finally, the servo motor 42 is started, the output end of the servo motor 42 drives the fixed rotating shaft 43 to rotate, so that the driving bevel gear 44 can be driven to rotate, the linkage rotating plate 45 can synchronously rotate along with the driving bevel gear 44 through the transmission of the driven bevel gear 46, finally, the centrifugal rotating drum 2 is driven to rotate, water and oil stains in the oily sludge pass through the filter screen 3 to flow into the dehydration box 1 under the action of centrifugal force and are discharged from the dehydration box 1 through the drain hole 8, when the centrifugal rotating drum 2 rotates, the extrusion plate 55 is driven to synchronously rotate, finally, the threaded rod 53 is driven to rotate, so that the threaded rod 53 is positioned on the support plate 52 to move, thereby drive stripper plate 55 and be located 2 internal downslide of centrifugal rotor, finally can extrude the mud in the centrifugal rotor 2, not only can avoid mud to slide in centrifugal rotor 2, lead to water and oil stain unable the getting rid of, and can extrude the water and the oil stain in the mud, sludge drainage minimizing efficiency has been improved, after the water and the oil stain of mud are arranged to the greatest extent in centrifugal rotor 2, can be through opening sealing plug 9, with the mud discharge in the centrifugal rotor 2, accomplish the minimizing of oiliness mud and handle.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an oily sludge minimizing equipment, its characterized in that, includes dewatering box (1), centrifugal rotary drum (2), filter screen (3), actuating mechanism (4), extrusion mechanism (5) and wash port (8), it puts swivelling joint with one centrifugal rotary drum (2) just to be located dewatering box (1) central point in dewatering box (1), four filter screens (3) of centrifugal rotary drum (2) lateral wall fixedly connected with, four evenly distributed on filter screen (3) are located centrifugal rotary drum (2), actuating mechanism (4) set up in dewatering box (1) lateral wall upper end, extrusion mechanism (5) set up in centrifugal rotary drum (2), wash port (8) have evenly been seted up to dewatering box (1) outside lower extreme.

2. The oil-containing sludge reduction equipment according to claim 1, wherein: the driving mechanism (4) comprises a driving box (41), a servo motor (42), a fixed rotating shaft (43), a driving bevel gear (44), a linkage rotating plate (45) and a driven bevel gear (46), wherein the driving box (41) is provided with two driving boxes (41) which are fixedly connected to the upper end of the outer side of the dewatering box (1) and are symmetrically distributed on the outer side of the dewatering box (1), two servo motors (42) are fixedly connected to the inner side of the driving box (41), the output end of each servo motor (42) is fixedly connected with one fixed rotating shaft (43), one end, far away from the servo motor (42), of each fixed rotating shaft (43 penetrates through the side wall of the dewatering box (1) and is fixedly connected with one driving bevel gear (44), the linkage rotating plate (45) is rotatably connected to the inside of the dewatering box (1) and is positioned above the driving bevel gear (44), and the linkage rotating plate (45) is fixedly connected to the centrifugal rotating drum (2), the linkage rotating plate is characterized in that a driven bevel gear (46) is fixedly connected to the lower end of the linkage rotating plate (45) and the corresponding position of the driving bevel gear (44), the driving bevel gear (44) is meshed with the driven bevel gear (46), a fixed bearing (47) is fixedly connected to the joint of the outer ring of the fixed rotating shaft (43) and the side wall of the dewatering box (1), the outer side of the outer ring of the fixed bearing (47) is fixedly connected to the side wall of the dewatering box (1), and the inner side of the inner ring of the fixed bearing (47) is fixedly connected to the fixed rotating shaft (43).

3. The oil-containing sludge reduction equipment according to claim 1, wherein: extrusion mechanism (5) are including support frame (51), backup pad (52), threaded rod (53), limiting plate (54), stripper plate (55), spacing slider (56) and spacing spout (57), the even fixed connection in dewatering box (1) upper end outside support frame (51), backup pad (52) of support frame (51) upper end fixedly connected with, on backup pad (52) and be located backup pad (52) central point threaded connection have a threaded rod (53), backup pad (52) and one limiting plate (54) of fixedly connected with are passed to threaded rod (53) upper end, backup pad (52) and one stripper plate (55) of fixedly connected with are passed to threaded rod (53) lower extreme, stripper plate (55) sliding connection is in centrifugal rotor (2).

4. The oil-containing sludge reduction equipment according to claim 3, wherein: four limiting sliding blocks (56) are uniformly and fixedly connected to the outer side of the extrusion plate (55), a limiting sliding groove (57) is formed in the inner side wall of the centrifugal drum (2) and located between two adjacent filter screens (3), and the limiting sliding blocks (56) are connected in the corresponding limiting sliding grooves (57) in a sliding mode.

5. The oil-containing sludge reduction equipment according to claim 1, wherein: the centrifugal rotary drum is characterized in that a sealing bearing (6) is fixedly connected to the joint of the centrifugal rotary drum (2) and the side wall of the dewatering box (1), the outer side of the outer ring of the sealing bearing (6) is fixedly connected to the side wall of the dewatering box (1), and the inner side of the inner ring of the sealing bearing (6) is fixedly connected to the centrifugal rotary drum (2).

6. The oil-containing sludge reduction equipment according to claim 1, wherein: the outer side of the centrifugal rotating drum (2) is located at the bottom of the dewatering box (1) and is rotatably connected with a guide plate (7), the lower end of the centrifugal rotating drum (2) is connected with a sealing plug (9) in a clamped mode, and a group of fixing supports (10) are evenly and fixedly connected to the outer side of the lower end of the dewatering box (1).