CN117225047A - Dirty oil and mud separating equipment - Google Patents

Abstract

The invention belongs to the technical field of sludge treatment equipment, and particularly discloses sludge separation equipment which comprises a separation tank, wherein an insertion pipe is inserted through the inner wall of the bottom of the separation tank, the bottom of the insertion pipe is flush with the bottom of the separation tank, an extrusion assembly is inserted into the insertion pipe, a separation pipe is sleeved outside the insertion pipe in a rotating manner, sieve holes are uniformly formed in the pipe wall of the separation pipe, a feeding pipe is arranged on the inner side of the separation pipe, and an annular filter screen is sleeved outside the separation pipe in a rotating manner. Compared with the existing sludge treatment equipment, the device has the advantages that the structure is compact, the diluted sludge can be separated and extruded, the occupied area of the equipment can be effectively reduced, the device is very suitable for small processing enterprises, and in addition, the filtered sludge and residues are extruded further through the extruding cylinder, so that the recycling efficiency of oil in the sludge can be effectively improved, and the device is worthy of popularization.

Description

Dirty oil sludge separation equipment

Technical field

The invention belongs to the technical field of waste oil sludge treatment equipment, and particularly relates to a waste oil sludge separation equipment.

Background technique

In the process of oil field mining and some enterprise production, a lot of oily sludge will be produced. The existence of sludge often brings serious threats to the environment. At the same time, sludge also contains some available oil, and direct disposal will also cause a waste of oil. In order to solve this problem, it is generally necessary to separate the sludge, thereby improving the utilization rate of oil while reducing environmental pollution.

Existing sewage sludge separation equipment often requires multiple steps to separate oil sludge, including the dissolution (dissolution tank), sedimentation (sedimentation tank), and separation (separation tank) of the sludge. Therefore, multiple equipment is required. Therefore, the overall occupied area of the waste oil sludge treatment equipment is too large, and the separation efficiency is also low. In addition, for some small enterprises, due to the limited amount of oil sludge produced in daily production, the investment in more equipment is also limited. It will increase the production cost of the enterprise.

Therefore, it is necessary to invent sewage sludge separation equipment to solve the above problems.

Contents of the invention

In view of the above problems, the present invention provides a dirty oil sludge separation equipment to solve the problems raised in the above background technology.

In order to achieve the above object, the present invention provides the following technical solution: sewage sludge separation equipment, including a separation tank, a cannula inserted through the bottom inner wall of the separation tank, and the bottom of the cannula is flush with the bottom of the separation tank, so An extrusion assembly is inserted into the intubation tube, a dividing tube is rotated and connected to the outside of the intubating tube, and the wall of the dividing tube is evenly provided with sieve holes, and a feeding pipe is provided inside the dividing tube. The outer rotating sleeve of the tube is connected with an annular filter screen, and the filter screen is fixedly connected to the inner wall of the separation tank. The external rotating sleeve of the separation pipe is connected with a tank cover, and the tank cover is fit with the top of the separation tank. A drainage pipe is connected to the bottom of the separation tank, an oil drainage pipe is inserted through the side wall of the separation tank, and the oil drainage pipe is located on the top of the filter screen;

An annular supporting plate is provided in the dividing tube, and the supporting plate is movably connected to the intubation tube, and the inner and outer sides of the supporting plate fit with the outer wall of the intubating tube and the inner wall of the dividing tube respectively. The top of the supporting plate A plurality of tie rods are vertically fixedly connected, and the tops of the plurality of tie rods are fixedly connected with the same fixed ring. A plurality of connecting rods are connected between the inner wall of the fixed ring and the extrusion assembly. A power is provided on the outside of the dividing tube. components.

Further, the extrusion assembly includes an extrusion barrel, the extrusion barrel is inserted into the cannula, and a plurality of extrusion holes are evenly provided on the wall of the extrusion barrel, and the top of the extrusion barrel is fixed. A sealing ring is connected, and the bottom of the sealing ring is fixedly connected to the top of the cannula. An extrusion rod is vertically inserted at the axis of the extrusion barrel. The extrusion rod is located on the surface of the extrusion barrel. An auger blade is spirally connected, and the auger blade fits the inner wall of the extrusion barrel. The top of the extrusion rod is connected to a reciprocating screw, and the top of the reciprocating screw is connected to a first motor. The reciprocating wire There is a shaft sleeve threaded on the rod, and a connecting ring is rotated on the outside of the shaft sleeve, and a plurality of the connecting rods are fixedly connected between the fixed ring and the connecting ring, and the reciprocating screw rod rotates near the top. A U-shaped frame is connected to the sleeve, and the fixed pipe is inserted and inserted into the side of the U-shaped frame. The U-shaped frame is fixedly connected to the top of the tank cover. The top of the shaft sleeve slides vertically and is inserted and connected with two limits. rod, the top end of the limiting rod is fixedly connected to the top inner side of the U-shaped frame.

Further, the power assembly includes a toothed ring, which is fixedly sleeved on the part of the separator tube located at the top of the tank cover. A second motor is provided on the outside of the toothed ring, and the second motor is installed on the tank cover. The top of the second motor, and the output shaft of the second motor faces downward. A gear is connected to the output shaft of the second motor, and the gear meshes with the ring. A plurality of scrapers are fixedly connected to the inner wall of the separation tube. Each of the scrapers is distributed annularly, and the bottom of the scraper is close to the top of the sealing ring.

Further, the outer diameter of the sealing ring is the same as the outer diameter of the cannula, the top surface of the sealing ring and the top surface of the supporting plate are gradually inclined downward toward the direction of the extrusion rod, and the top surface of the supporting plate is The inclination angle of the surface is the same as the inclination angle of the top surface of the sealing ring, and the maximum distance that the shaft sleeve moves along the reciprocating screw rod is equal to the distance from the top surface of the supporting plate to the top surface of the sealing ring.

Furthermore, a plurality of stirring rods are fixedly connected horizontally from top to bottom on the side of the pull rod close to the dividing pipe, and the stirring rods are located on the diameter of the dividing pipe.

Furthermore, a receiving groove is fixedly connected to the position of the extrusion barrel near the bottom edge, and a collection pipe is inserted through one side of the receiving groove, and the free side of the collection pipe faces downward.

Furthermore, the side of the scraper close to the rotation direction of the dividing tube is designed with a slope, and the side of the scraper away from the dividing tube is flush with the inner wall of the extrusion barrel.

Further, the bottom of the feed pipe is higher than the top of the fixed ring in the initial state, and the outer diameter of the feed pipe is smaller than the distance between the outer diameter of the fixed ring and the inner diameter of the separation pipe.

Further, a plurality of supporting legs are fixedly connected to the bottom of the separation tank, and the plurality of supporting legs are distributed in an annular shape.

Technical effects and advantages of the present invention:

1. Compared with existing sludge treatment equipment, since the structure of the present invention is relatively compact in design and can separate and squeeze diluted sludge, it can effectively reduce the footprint of the equipment. It is very suitable for some small processing enterprises. In addition, the filtered sludge and residue are further extruded through the extrusion barrel, which can effectively improve the recovery and utilization efficiency of the oil in the sludge and is worth promoting;

2. In the present invention, a scraper is provided on the inner wall of the separation pipe. During the process of sludge separation, the second motor can drive the separation pipe to rotate through the transmission of the gear and the gear ring. As the separation pipe rotates, the scraper When the plate is in contact with the pull rod, the scraper can push the pull rod to rotate around the intubation tube, thereby using the pull rod and the stirring rod to stir the sludge inside the separator pipe, so that the oil in the sludge can be accelerated and separated from the sludge. In addition, When the sludge and impurities enter the extrusion barrel, the scraper can be scraped against the top of the support plate and sealing ring driven by the separator tube, thereby pushing the sludge and impurities into the extrusion barrel through the slope of the scraper. Movement to improve the efficiency of impurities and sludge entering the extrusion barrel.

Description of drawings

Figure 1 is a schematic perspective view of the top overall structure of the present invention;

Figure 2 is a schematic three-dimensional view of the overall bottom structure of the present invention;

Figure 3 is a main cross-sectional view of the present invention;

Figure 4 is an enlarged view of part A of Figure 3 in the present invention;

Figure 5 is a schematic three-dimensional view of the dividing tube, extrusion tube, sealing ring and scraper in the present invention;

Figure 6 is a three-dimensional schematic view of the supporting plate, tie rod, fixed rod, receiving groove and part of the extruded assembly in the present invention;

Figure 7 is a three-dimensional schematic view of the middle receiving tank, collection pipe and part of the extrusion assembly of the present invention;

Figure 8 is a three-dimensional schematic view of the separation tank, filter screen, oil drain pipe, support legs and intubation tube in the present invention.

In the picture: 1. Separation tank; 2. Intubation; 3. Extrusion assembly; 30. Extrusion barrel; 31. Sealing ring; 32. Extrusion rod; 33. Auger blade; 34. Reciprocating screw rod; 35. The first motor; 36. Bushing; 37. Connecting ring; 38. U-shaped frame; 39. Limit rod; 4. Divider pipe; 5. Feed pipe; 6. Filter; 7. Tank cover; 8. Drainage Pipe; 9. Oil drain pipe; 10. Supporting plate; 11. Pull rod; 12. Fixed ring; 13. Connecting rod; 14. Gear ring; 15. Second motor; 16. Gear; 17. Scraper; 18. Mixing rod ; 19. Accepting groove; 20. Collection pipe; 21. Supporting legs.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments.

The present invention provides a waste sludge separation equipment as shown in Figures 1 to 8, including a separation tank 1. An intubation tube 2 is inserted through the bottom inner wall of the separation tank 1, and the bottom of the intubation tube 2 is connected to the bottom of the separation tank 1. Flush, the extrusion assembly 3 is inserted into the intubation tube 2, and the separator tube 4 is rotated and connected to the outside of the intubation tube 2. The wall of the separator tube 4 is evenly provided with sieve holes, and the inside of the separator tube 4 is provided with a feed pipe. 5. The outer rotating sleeve of the separation pipe 4 is connected with an annular filter screen 6. The filter screen 6 is fixedly connected to the inner wall of the separation tank 1. The external rotating sleeve of the separation pipe is connected with a tank cover 7. The tank cover 7 is attached to the top of the separation tank 1. Together, the bottom of the separation tank 1 is connected with a drainage pipe 8, the side wall of the separation tank 1 is connected with an oil discharge pipe 9, and the oil discharge pipe 9 is located on the top of the filter 6, and the bottom of the separation tank 1 is fixedly connected with multiple supports. Leg 21, a plurality of supporting legs 21 are distributed in an annular shape;

An annular supporting plate 10 is provided in the dividing tube 4. The supporting plate 10 is movably connected to the intubating tube 2, and the inner and outer sides of the supporting plate 10 are respectively fitted with the outer wall of the intubating tube 2 and the inner wall of the dividing tube 4. The top of 10 is vertically fixedly connected with a plurality of tie rods 11, and the tops of the plurality of tie rods 11 are fixedly connected with the same fixed ring 12. A plurality of connecting rods 13 are connected between the inner wall of the fixed ring 12 and the extrusion assembly 3. There is a power component on the outside, the bottom of the feed pipe 5 is higher than the top of the fixed ring 12 in the initial state, and the outer diameter of the feed pipe 5 is smaller than the distance between the outer diameter of the fixed ring 12 and the inner diameter of the separation pipe 4;

The extrusion assembly 3 includes an extrusion barrel 30, which is inserted into the cannula 2. A plurality of extrusion holes are evenly provided on the wall of the extrusion barrel 30. The top of the extrusion barrel 30 is fixedly connected with a seal. Ring 31, the bottom of the sealing ring 31 and the top of the cannula 2 are fixedly connected together. The extrusion rod 32 is vertically inserted at the axis of the extrusion barrel 30. The extrusion rod 32 is spirally fixed on the surface inside the extrusion barrel 30. The auger blade 33 is connected, and the auger blade 33 is fit with the inner wall of the extrusion barrel 30. The top of the extrusion rod 32 is connected to the reciprocating screw rod 34, and the top of the reciprocating screw rod 34 is connected to the first motor 35. The reciprocating A sleeve 36 is threaded on the screw rod 34, and a connecting ring 37 is connected to the outer side of the sleeve 36 for rotation. A plurality of connecting rods 13 are fixedly connected between the fixed ring 12 and the connecting ring 37. The reciprocating screw rod 34 is close to the top. The position of the U-shaped frame 38 is rotated and connected to the U-shaped frame 38. The fixed pipe is inserted and inserted into the side of the U-shaped frame 38. The U-shaped frame 38 is fixedly connected to the top of the tank cover 7. The top of the shaft sleeve 36 slides vertically and is inserted into two parts. Limiting rod 39, the top end of the limiting rod 39 is fixedly connected to the top inner side of the U-shaped frame 38;

When performing the oil sludge separation operation, first add the diluted oil slurry to the inside of the divider pipe 4 through the feed pipe 5, and then start the power assembly to drive the divider pipe 4 to rotate, so that the oil sludge inside the divider pipe 4 can As the sludge is continuously stirred, the oil and muddy water in the sludge can be separated from the sludge and impurities, and flow out to the outside of the dividing pipe 4 through the sieve holes on the dividing pipe 4, and then the muddy water and oil are filtered After the screen 6 is screened, the oil floating on the surface of the muddy water can be discharged from the separation tank 1 through the oil drain pipe 9, while the muddy water can be drained through the drainpipe 8;

After the sludge has been separated for a period of time, more sludge and impurities have accumulated inside the separation pipe 4. At this time, the first motor 35 is started, so that the reciprocating screw 34 and the extrusion rod 32 are driven by the first motor 35. It starts to rotate downward, and as the reciprocating screw rod 34 rotates, the reciprocating screw rod 34 can cooperate with the two limit rods 39 to drive the shaft sleeve 36 to move up and down, and in the process of the shaft sleeve 36 moving upward, the shaft sleeve 36 successively passes through the connection The ring 37, the connecting rod 13, the fixed ring 12 and the plurality of tie rods 11 gradually pull the pallet 10 to move upward. As the pallet 10 moves downward, the sludge and impurities accumulated on the inside of the separation pipe 4 can be removed from the pallet 10. When the top surface of the supporting plate 10 is flush with the top surface of the sealing ring 31, the sludge and impurities on the top of the supporting plate 10 can flow into the extrusion barrel 30. At this time, the extrusion rod 32 can A motor 35 drives the auger blades 33 to rotate, thereby cooperating with the extrusion barrel 30 to further squeeze the sludge and impurities, so that the oil remaining in the sludge and impurities can be squeezed out and extruded. The oil and muddy water can pass through the extrusion hole on the inner wall of the extrusion barrel 30 and flow downward along the outer wall of the extrusion barrel 30, and be collected separately for sedimentation and filtration, thereby improving the recovery and utilization rate of the oil in the sludge. The extruded residue can be discharged separately through the bottom of the extrusion barrel 30;

Compared with existing sludge treatment equipment, the structure of the present invention is relatively compact in design and can separate and squeeze diluted sludge, which can effectively reduce the floor space of the equipment. For some It is very suitable for small processing enterprises. In addition, the filtered sludge and residue are further extruded through the extrusion barrel 30, thereby effectively improving the recovery and utilization efficiency of oil in the sludge, which is worthy of promotion.

As shown in Figures 3 to 6, the power assembly includes a ring gear 14. The ring gear 14 is fixedly sleeved on the part of the separator pipe 4 located at the top of the tank cover 7. A second motor 15 is provided on the outside of the ring gear 14. The second motor 15 is installed on the top of the tank cover 7, and the output shaft of the second motor 15 faces downward. The output shaft of the second motor 15 is sleeved with a gear 16, and the gear 16 meshes with the ring gear 14, and is fixed on the inner wall of the separation tube 4 A plurality of scrapers 17 are connected, and the plurality of scrapers 17 are distributed in an annular shape, and the bottom of the scraper 17 is close to the top of the sealing ring 31. The side of the scraper 17 close to the rotation direction of the separation pipe 4 is an inclined plane design, and the scraper 17 17 The side away from the dividing tube 4 is flush with the inner wall of the extrusion tube 30;

The outer diameter of the sealing ring 31 is the same as the outer diameter of the cannula 2. The top surface of the sealing ring 31 and the top surface of the supporting plate 10 both gradually slope downward toward the direction close to the extrusion rod 32, and the inclination of the top surface of the supporting plate 10 The angle is the same as the inclination angle of the top surface of the sealing ring 31. The maximum distance that the sleeve 36 moves along the reciprocating screw rod 34 is equal to the distance from the top surface of the supporting plate 10 to the top surface of the sealing ring 31. The side of the pull rod 11 close to the separation pipe 4 starts from the top. A plurality of stirring rods 18 are fixedly connected to the bottom horizontally, and the stirring rods 18 are located on the diameter of the dividing tube 4. Since the stirring rods 18 are located on the diameter of the dividing tube 4, when the pulling rod 11 moves upward, the stirring rods 18 will not align with each other. The feeding pipe 5 is blocked. At the same time, when the pull rod 11 rotates around the dividing pipe 4, the stirring rod 18 will not be blocked by the feeding pipe 5. The position of the extrusion barrel 30 near the bottom edge is fixedly sleeved with a receiving groove 19 to accept the A collection pipe 20 is inserted through one side of the groove 19, and the free side of the collection pipe 20 faces downward;

By providing the second motor 15, during the process of sludge separation, as the second motor 15 is started, the second motor 15 can drive the separation pipe 4 to rotate through the transmission effect of the gear 16 and the ring gear 14, and as the separation pipe 4, multiple scrapers 17 are also driven by the separation tube 4 to move closer to the pull rod 11. When the scraper 17 contacts the pull rod 11, the scraper 17 can push the pull rod 11 to rotate around the intubation tube 2. During this process, the pull rod 11 and the stirring rod 18 can stir the oil slurry inside the separation pipe 4, so that the oil in the sludge can be accelerated and separated from the oil slurry, and then the separated oil and muddy water can pass through the separation pipe 4 After entering the outside of the separation pipe 4, the oil can then pass through the pipe filter 6 and be discharged from the separation tank 1 through the oil drain pipe 9, while the muddy water can be discharged through the drain pipe 8;

After the sludge has been separated for a period of time, more sludge and impurities have accumulated inside the separation pipe 4. At this time, as the first motor 35 is started, the reciprocating screw 34 and the extrusion rod 32 are both in the first motor. 35 starts to rotate, and as the reciprocating screw rod 34 rotates, the reciprocating screw rod 34 can cooperate with the two limit rods 39 to drive the shaft sleeve 36 to move up and down, and in the process of the shaft sleeve 36 moving upward, the shaft sleeve 36 The supporting plate 10 is gradually pulled upward through the connecting ring 37, the connecting rod 13, the fixed ring 12 and the plurality of pull rods 11 in sequence. As the supporting plate 10 moves downward, the sludge and impurities accumulated on the inside of the separation pipe 4 can be moved on the supporting plate 10. The plates 10 move upward together. When the top surface of the supporting plate 10 is flush with the top surface of the sealing ring 31, the top surfaces of the two can be smoothly spliced together. At this time, the sludge and impurities on the top of the supporting plate 10 can be Flows into the extrusion barrel 30. At this time, the extrusion rod 32 can drive the auger blade 33 to rotate under the driving of the first motor 35, thereby cooperating with the extrusion barrel 30 to further squeeze the sludge and impurities, thereby making the remaining The oil content in the sludge and impurities can be squeezed out, and the extruded oil content and muddy water can pass through the extrusion holes on the inner wall of the extrusion barrel 30 and flow downward along the outer wall of the extrusion barrel 30. When the oil content and When the mud water enters the receiving tank 19, the mud water and oil can be collected separately through the collection pipe 20, and the collected mud water can be separately sedimented and filtered, thereby improving the recovery rate of the oil in the oil sludge, and the residue after extrusion Then it can be discharged separately through the bottom of the extrusion barrel 30;

In addition, when the sludge and impurities enter the extrusion barrel 30, since the second motor 15 is in a rotating state, the scraper 17 can be driven by the separation pipe 4 to scrape against the top of the supporting plate 10 and the sealing ring 31 , thereby pushing the sludge and impurities into the extrusion barrel 30 through the slope of the scraper 17, thereby improving the efficiency of impurities and sludge entering the extrusion barrel 30.

The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims (9)

1. The utility model provides a dirty oil mud separation equipment, includes knockout drum (1), its characterized in that: the separation tank is characterized in that an insertion pipe (2) is inserted through the inner wall of the bottom of the separation tank (1), the bottom of the insertion pipe (2) is flush with the bottom of the separation tank (1), an extrusion assembly (3) is inserted into the insertion pipe (2), a separation pipe (4) is sleeved outside the insertion pipe (2) in a rotating mode, sieve holes are uniformly formed in the pipe wall of the separation pipe (4), a feeding pipe (5) is arranged on the inner side of the separation pipe (4), an annular filter screen (6) is sleeved outside the separation pipe (4) in a rotating mode, the filter screen (6) is fixedly connected with the inner wall of the separation tank (1), a tank cover (7) is sleeved outside the separation pipe in a rotating mode, a drain pipe (8) is connected to the bottom of the separation tank (1), an oil drain pipe (9) is inserted through and connected to the side wall of the separation tank (1), and the oil drain pipe (9) is located at the top of the filter screen (6);

be equipped with annular layer board (10) in separating pipe (4), layer board (10) activity cup joints on intubate (2), and the inboard and the outside of layer board (10) respectively with the outer wall of intubate (2) and the laminating of the inner wall of separating pipe (4), the top perpendicular fixedly connected with of layer board (10) a plurality of pull rods (11), a plurality of the top fixedly connected with one solid fixed ring (12) of pull rod (11), be connected with a plurality of connecting rods (13) between solid fixed ring (12) inner wall and the extrusion assembly (3), the outside of separating pipe (4) is equipped with power component.

2. The dirty oil sludge separation apparatus of claim 1, wherein: the extrusion assembly (3) comprises an extrusion cylinder (30), the extrusion cylinder (30) is inserted and connected in the insertion tube (2) in a penetrating way, a plurality of extrusion holes are uniformly formed in the cylinder wall of the extrusion cylinder (30), a sealing ring (31) is fixedly connected to the top of the extrusion cylinder (30), the bottom of the sealing ring (31) is fixedly connected with the top of the insertion tube (2), an extrusion rod (32) is vertically inserted and connected at the axis of the extrusion cylinder (30), an auger blade (33) is fixedly connected to the surface of the extrusion rod (32) in the extrusion cylinder (30) in a spiral way, the auger blade (33) is attached to the inner wall of the extrusion cylinder (30), a reciprocating screw (34) is connected to the top of the extrusion rod (32), a first motor (35) is connected to the top of the reciprocating screw (34), a shaft sleeve (36) is sleeved on the reciprocating screw (34), a connecting ring (37) is rotatably connected to the outer side of the shaft sleeve (36), a plurality of connecting rods (13) are fixedly connected between the fixing ring (12) and the connecting ring (37), a U-shaped cover (38) is sleeved on the top of the U-shaped frame (38) in a penetrating way, the U-shaped frame (38) is sleeved on the top of the U-shaped frame, the top of the shaft sleeve (36) is vertically and slidably inserted with two limiting rods (39), and the top ends of the limiting rods (39) are fixedly connected with the inner side of the top of the U-shaped frame (38).

3. The dirty oil sludge separation apparatus of claim 2, wherein: the power assembly comprises a toothed ring (14), the toothed ring (14) is fixedly sleeved on the part, located at the top of the tank cover (7), of the separation pipe (4), a second motor (15) is arranged on the outer side of the toothed ring (14), the second motor (15) is installed at the top of the tank cover (7), an output shaft of the second motor (15) faces downwards, a gear (16) is sleeved on the output shaft of the second motor (15), the gear (16) is meshed with the toothed ring (14), a plurality of scrapers (17) are fixedly connected to the inner wall of the separation pipe (4), the scrapers (17) are distributed in an annular shape, and the bottoms of the scrapers (17) are close to the top of the sealing ring (31).

4. The dirty oil sludge separation apparatus of claim 2, wherein: the outer diameter of the sealing ring (31) is the same as the outer diameter of the insertion tube (2), the top surface of the sealing ring (31) and the top surface of the supporting plate (10) are gradually inclined downwards in the direction close to the extrusion rod (32), the inclination angle of the top surface of the supporting plate (10) is the same as that of the top surface of the sealing ring (31), and the maximum distance of the shaft sleeve (36) moving along the reciprocating screw rod (34) is equal to the distance from the top surface of the supporting plate (10) to the top surface of the sealing ring (31).

5. The dirty oil sludge separation apparatus of claim 4, wherein: one side of the pull rod (11) close to the separation pipe (4) is horizontally and fixedly connected with a plurality of stirring rods (18) from top to bottom, and the stirring rods (18) are positioned on the diameter of the separation pipe (4).

6. The dirty oil sludge separation apparatus of claim 2, wherein: the extrusion tube (30) is fixedly sleeved with a receiving groove (19) at a position close to the bottom edge, one side of the receiving groove (19) is penetrated and spliced with a collecting tube (20), and the collecting tube (20) is downward free.

7. The dirty oil sludge separation apparatus of claim 6, wherein: one side of the scraping plate (17) close to the rotation direction of the separation tube (4) is designed to be an inclined plane, and one side of the scraping plate (17) away from the separation tube (4) is flush with the inner wall of the extrusion cylinder (30).

8. The dirty oil sludge separation apparatus of claim 7, wherein: the bottom of the feeding pipe (5) is higher than the top of the fixed ring (12) in the initial state, and the outer diameter of the feeding pipe (5) is smaller than the distance between the outer diameter of the fixed ring (12) and the inner diameter of the separation pipe (4).

9. The dirty oil sludge separation apparatus of claim 1, wherein: the bottom of the separation tank (1) is fixedly connected with a plurality of supporting legs (21), and the supporting legs (21) are distributed in a ring shape.