Fracturing flow-back fluid precipitation separation equipment

Abstract

The utility model discloses fracturing flow-back fluid precipitation separation equipment which comprises a separation equipment body, a feeding port is formed in the bottom of the separation equipment body, a stirring cavity is formed in the right side of the bottom of the separation equipment body, and a stirring motor is arranged on the upper portion in the stirring cavity. The bottom of the stirring motor is provided with a transmission bevel gear, the right side of the transmission bevel gear is connected with a driven bevel gear, and the right side of the driven bevel gear is connected with a movable worm. The stirring motor drives the transmission bevel gear, the transmission bevel gear is meshed with the driven bevel gear, the movable worm can be driven through the driven bevel gear, the movable worm is meshed with the coaxial worm gear, and the coaxial worm gear rotates to drive the stirring main shaft, so that stirring is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of separation equipment, in particular to a fracturing return fluid precipitation separation device. Background Art

[0002] Currently, fracturing technology has been widely used in reservoir reconstruction of low-permeability oil fields, and guar gum fracturing fluid is the mainstream system of fracturing fluid. Due to the complex composition and high difficulty in handling of the return fluid of guar gum fracturing fluid, it has brought unavoidable pollution to the oil field development site; in addition, the configuration of guar gum fracturing fluid requires a large amount of fresh water resources, which has brought certain economic pressure to some remote water-scarce areas. Therefore, the reuse of guar gum fracturing return fluid has always been a hot spot and difficulty in oil field development. In view of the current situation that guar gum fracturing fluid return fluid cannot be effectively recycled and reused, the impact analysis and elimination method research of the reuse of return fluid has a very far-reaching significance.

[0003] The existing fracturing flowback fluid sedimentation and separation equipment has the following problems:

[0004] The existing fracturing return fluid sedimentation and separation equipment cannot effectively filter the impurities in the sewage. Due to its own structural problems, it cannot complete the filtration well. Long-term use will cause blockage due to sludge accumulation. The sludge in the sludge recovery box is easily spilled during transportation, causing secondary pollution. To this end, we provide a fracturing return fluid sedimentation and separation equipment. Utility Model Content

[0005] The utility model aims to provide a fracturing flowback fluid sedimentation and separation device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fracturing return fluid sedimentation and separation device, comprising a drainage sedimentation tank and a separation device body, characterized in that: a drainage sedimentation tank is arranged on the right side of the bottom of the separation device body, a feed port is opened on the left side of the top of the drainage sedimentation tank, a stirring chamber is arranged in the middle of the drainage sedimentation tank, a storage chamber is arranged below the stirring chamber, a sludge storage box is arranged below the storage chamber, a stirring motor is arranged above the stirring chamber, a transmission bevel gear is arranged at the bottom of the stirring motor, a driven bevel gear is arranged below the transmission bevel gear, a movable worm is connected to the left side of the driven bevel gear, a coaxial worm wheel is arranged at the front end of the movable worm, a stirring main shaft is arranged at the bottom of the coaxial worm wheel, scrapers are connected to both sides of the bottom of the stirring main shaft, a drainage port is opened between the stirring chamber and the storage chamber, and a sludge storage box is arranged at the bottom of the drainage sedimentation tank.

[0007] Preferably, the stirring motor is fixedly connected to the transmission bevel gear, the transmission bevel gear is meshed with the driven bevel gear, the driven bevel gear is fixedly connected to the movable worm, the movable worm is meshed with the coaxial worm wheel, the coaxial worm wheel is fixedly connected to the stirring main shaft, the stirring main shaft is fixedly connected to the scraper, and the scraper is in an "L" shape.

[0008] Preferably, the bottom of the scraper is connected to a bottom tube, the top of the bottom tube is connected to a plurality of nozzles, the bottom of the stirring shaft is connected to an air guide pipe, the air guide pipe is in a "T" shape, one end is connected to the stirring shaft, one end is connected to an air pump, and the other end is connected to a heating box, a filter is connected to the right side of the air pump, a plurality of filter holes are opened on the right side of the inner wall of the filter, and a plurality of filter plates are arranged on the left side of the inside of the filter.

[0009] Preferably, the interior of the stirring shaft is a hollow cylindrical structure, the stirring shaft is connected to the bottom pipe, the nozzles are equidistantly connected to the bottom pipe, the stirring shaft is connected to the filter screen through an air guide pipe and an air pump, and the filter screen is fixedly connected to the filter screen plate.

[0010] Preferably, a blocking plate is provided inside the drain port, a connecting spring is connected to the right side of the blocking plate, and a first hydraulic cylinder is connected below the end of the blocking plate.

[0011] Preferably, the first hydraulic cylinder is fixedly connected to the blocking plate, and the blocking plate is elastically connected to the connecting spring.

[0012] Preferably, a second hydraulic cylinder is provided on the right side of the stirring motor, a push block is connected to the end of the second hydraulic cylinder, and a drainage pipe is provided on the right side of the push block.

[0013] Preferably, the second hydraulic cylinder is fixedly connected to the push block, and the push block is fixedly connected to the drain pipe.

[0014] Preferably, a plurality of heating wires are arranged inside the heating box, and a horizontal filter plate is arranged below the interior of the heating box.

[0015] Preferably, the heating box is fixedly connected to the transverse filter plate, and the heating box is fixedly connected to the heating wire.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] The utility model mixing motor drives the transmission bevel gear, the transmission bevel gear meshes with the driven bevel gear, the driven bevel gear can drive the movable worm, the movable worm meshes with the coaxial worm wheel, the coaxial worm wheel rotates to drive the mixing main shaft, thereby completing the mixing, and the scraper can be used to scrape away the sludge accumulated on the inner wall of the mixing chamber.

[0018] The utility model can allow gas to enter from the filter screen plate, pass through the filter holes, and reach the filter screen, so that dust in other parts can be effectively filtered.

[0019] The utility model can transmit the filtered gas through the air guide pipe to the bottom pipe through the air pump, and the gas in the bottom pipe is sprayed out by the nozzle, so that the sewage can be stirred more fully.

[0020] The utility model can push the blocking plate through the first hydraulic oil cylinder to make the blocking plate move, and the blocking plate moves to apply force to the connecting spring, so that the sludge after stirring and settling can be discharged from the discharge port into the interior of the sludge storage box.

[0021] The utility model can push the push block through the second hydraulic oil cylinder to adjust the height of the drainage pipe, and the other end of the drainage pipe can discharge the settled clean water through an external water pump.

[0022] The utility model can dry the sludge in the sludge storage box through the heating wire inside the heating box to form blocks for later collection and treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0024] Figure 2 For this utility model Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0025] Figure 3 For this utility model Figure 1 A schematic diagram of the partially enlarged structure at B in the middle;

[0026] Figure 4 For this utility model Figure 1 Schematic diagram of the partial enlarged structure at point C in the middle.

[0027] In the figure: 1. drainage sedimentation tank; 2. stirring chamber; 3. sludge collection box; 4. scraper; 5. feed port; 6. separation equipment body; 7. collection chamber; 8. first hydraulic cylinder; 9. connecting spring; 10. sealing plate; 11. heating wire; 12. air pump; 13. bottom pipe; 14. nozzle; 15. stirring main shaft; 16. push block; 17. coaxial worm gear; 18. movable worm; 19. stirring motor; 20. driven bevel gear; 21. transmission bevel gear; 22. drain pipe; 23. second hydraulic cylinder; 24. drainage port; 25. air guide pipe; 26. heating box; 27. horizontal filter plate; 28. filter; 29. ​​filter hole; 30. filter plate. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] like Figure 1 As shown, the utility model provides a technical solution: a fracturing return fluid sedimentation and separation device, comprising a drainage sedimentation tank 1 and a separation device body 6, characterized in that: a drainage sedimentation tank 1 is arranged on the right side of the bottom of the separation device body 6, a feed port 5 is opened on the left side of the top of the drainage sedimentation tank 1, a stirring chamber 2 is arranged in the middle of the drainage sedimentation tank 1, a storage chamber 7 is arranged below the stirring chamber 2, a sludge storage box 3 is arranged below the storage chamber 7, and a stirring motor 1 is arranged above the stirring chamber 2. 9. A driving bevel gear 21 is provided at the bottom of the stirring motor 19, a driven bevel gear 20 is provided below the driving bevel gear 21, a movable worm 18 is connected to the left side of the driven bevel gear 20, a coaxial worm wheel 17 is provided at the front end of the movable worm 18, a stirring main shaft 15 is provided at the bottom of the coaxial worm wheel 17, scrapers 4 are connected to both sides of the bottom of the stirring main shaft 15, a drain port 24 is provided between the stirring chamber 2 and the receiving chamber 7, and a sludge receiving box 3 is provided at the bottom of the drainage sedimentation tank 1.

[0030] like Figure 1 and Figure 2 As shown, further, the stirring motor 19 is fixedly connected to the transmission bevel gear 21, the transmission bevel gear 21 is meshed with the driven bevel gear 20, the driven bevel gear 20 is fixedly connected to the movable worm 18, the movable worm 18 is meshed with the coaxial worm wheel 17, the coaxial worm wheel 17 is fixedly connected to the stirring main shaft 15, the stirring main shaft 15 is fixedly connected to the scraper 4, the scraper 4 is in an "L" shape, the stirring motor 19 drives the transmission bevel gear 21, the transmission bevel gear 21 is meshed with the driven bevel gear 20, the movable worm 18 can be driven by the driven bevel gear 20, the movable worm 18 is meshed with the coaxial worm wheel 17, the coaxial worm wheel 17 rotates to drive the stirring main shaft 15, thereby completing the stirring, the scraper 4 can be used to scrape off the sludge accumulated on the inner wall of the stirring chamber 2.

[0031] like Figure 1 and Figure 4As shown, further, the bottom of the scraper 4 is connected to a bottom pipe 13, the top of the bottom pipe 13 is connected to a plurality of nozzles 14, the bottom of the stirring main shaft 15 is connected to an air guide pipe 25, the air guide pipe 25 is in a "T" shape, one end is connected to the stirring main shaft 15, one end is connected to the air pump 12, and one end is connected to the heating box 26, the right side of the air pump 12 is connected to a filter screen 28, the right side of the inner wall of the filter screen 28 is provided with a plurality of filter holes 29, and the left side of the filter screen 28 is provided with a plurality of filter screen plates 30, the gas enters from the filter screen plate 30, passes through the filter holes 29, and reaches the filter screen 28, so that the dust in other parts can be effectively filtered.

[0032] like Figure 1 and Figure 2 As shown, further, the interior of the stirring shaft 15 is a hollow cylindrical structure, the stirring shaft 15 is connected to the bottom pipe 13, the nozzle 14 is equidistantly connected to the bottom pipe 13, the stirring shaft 15 is connected to the filter screen 28 through the air guide pipe 25 and the air pump 12, the filter screen 28 is fixedly connected to the filter plate 30, the filtered gas passes through the air guide pipe 25 and is transmitted to the bottom pipe 13 by the air pump 12 through the air guide pipe 25, and the gas in the bottom pipe 13 is ejected by the nozzle 14, which can make the sewage more fully stirred.

[0033] like Figure 1 and Figure 3 As shown, a sealing plate 10 is further provided inside the drain port 24, and a connecting spring 9 is connected to the right side of the sealing plate 10. A first hydraulic cylinder 8 is connected below the end of the sealing plate 10, and the first hydraulic cylinder 8 is fixedly connected to the sealing plate 10, and the sealing plate 10 is elastically connected to the connecting spring 9. The first hydraulic cylinder 8 pushes the sealing plate 10 to move the sealing plate 10, and the movement of the sealing plate 10 applies force to the connecting spring 9, so that the sludge after stirring and settling can be discharged from the drain port 24 into the interior of the sludge storage box 3.

[0034] like Figure 1 and Figure 3 As shown, further, a second hydraulic cylinder 23 is provided on the right side of the stirring motor 19, and a push block 16 is connected to the end of the second hydraulic cylinder 23. A drain pipe 22 is provided on the right side of the push block 16. The second hydraulic cylinder 23 is fixedly connected to the push block 16, and the push block 16 is fixedly connected to the drain pipe 22. The second hydraulic cylinder 23 pushes the push block 16 to adjust the height of the drain pipe 22. The other end of the drain pipe 22 can discharge the clean water after precipitation through an external water pump.

[0035] like Figure 1 and Figure 3As shown, further, a plurality of heating wires 11 are arranged inside the heating box 26, a horizontal filter plate 27 is arranged below the inside of the heating box 26, the heating box 26 is fixedly connected to the horizontal filter plate 27, the heating box 26 is fixedly connected to the heating wires 11, and the heating wires 11 inside the heating box 26 can dry the sludge inside the sludge storage box 3 to form blocks for later collection and processing.

[0036] Working principle: First, the separation equipment body 6 is connected with the feed port 5, so that the sewage in the separation equipment body 6 can reach the inside of the stirring chamber 2 through the feed port 5, and the stirring motor 19 drives the transmission bevel gear 21, and the transmission bevel gear 21 is meshed with the driven bevel gear 20, and the movable worm 18 can be driven by the driven bevel gear 20, and the movable worm 18 is meshed with the coaxial worm gear 17. The coaxial worm gear 17 rotates to drive the stirring main shaft 15, thereby completing the stirring, and the gas enters from the filter plate 30, passes through the filter hole 29, and reaches the filter 28, which can effectively filter the dust in other parts. The filtered gas passes through the air guide pipe 25 and is transmitted to the bottom pipe 13 by the air pump 12 through the air guide pipe 25. The gas in the bottom pipe 13 is discharged by the nozzle 14 is sprayed out, which can make the sewage stirred more fully, the scraper 4 can be used to scrape off the sludge accumulated on the inner wall of the stirring chamber 2, the second hydraulic cylinder 23 pushes the push block 16, and the height of the drain pipe 22 can be adjusted. The other end of the drain pipe 22 can discharge the precipitated clean water through an external water pump, and the first hydraulic cylinder 8 pushes the blocking plate 10 to move the blocking plate 10. The movement of the blocking plate 10 exerts force on the connecting spring 9, and the sludge after stirring and settling is discharged from the discharge port 24 into the sludge storage box 3. The horizontal filter plate 27 can be used to filter impurities in the sludge after stirring and settling. The heating wire 11 inside the heating box 26 can dry the sludge inside the sludge storage box 3 to form blocks for later collection and treatment.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fracturing flowback fluid sedimentation and separation device, comprising a flowback sedimentation tank (1) and a separation device body (6), characterized in that: A drainage sedimentation tank (1) is arranged on the right side of the bottom of the separation equipment body (6), a feed port (5) is provided on the left side of the top of the drainage sedimentation tank (1), a stirring chamber (2) is arranged in the middle of the drainage sedimentation tank (1), a storage chamber (7) is arranged below the stirring chamber (2), a sludge storage box (3) is arranged below the storage chamber (7), a stirring motor (19) is arranged above the stirring chamber (2), a transmission bevel gear (21) is arranged at the bottom of the stirring motor (19), and the transmission bevel gear (21) is arranged at the bottom of the stirring motor (19). A driven bevel gear (20) is arranged below the gear (21), a movable worm (18) is connected to the left side of the driven bevel gear (20), a coaxial worm wheel (17) is arranged at the front end of the movable worm (18), a stirring main shaft (15) is arranged at the bottom of the coaxial worm wheel (17), scrapers (4) are connected to both sides of the bottom of the stirring main shaft (15), a drainage port (24) is provided between the stirring chamber (2) and the storage chamber (7), and a sludge storage box (3) is arranged at the bottom of the drainage sedimentation tank (1).

2. The fracturing flowback fluid sedimentation and separation equipment according to claim 1, characterized in that: The stirring motor (19) is fixedly connected to a transmission bevel gear (21), the transmission bevel gear (21) is meshed with a driven bevel gear (20), the driven bevel gear (20) is fixedly connected to a movable worm (18), the movable worm (18) is meshed with a coaxial worm wheel (17), the coaxial worm wheel (17) is fixedly connected to a stirring main shaft (15), the stirring main shaft (15) is fixedly connected to a scraper (4), and the scraper (4) is in an "L"-shaped structure.

3. The fracturing flowback fluid sedimentation and separation equipment according to claim 1, characterized in that: The bottom of the scraper (4) is connected to a bottom tube (13), the top of the bottom tube (13) is connected to a plurality of nozzles (14), the bottom of the stirring main shaft (15) is connected to an air guide pipe (25), the air guide pipe (25) is in a "T"-shaped structure, one end of which is connected to the stirring main shaft (15), one end of which is connected to an air pump (12), and one end of which is connected to a heating box (26), the right side of the air pump (12) is connected to a filter screen (28), the right side of the inner wall of the filter screen (28) is provided with a plurality of filter holes (29), and the left side of the filter screen (28) is provided with a plurality of filter screen plates (30).

4. The fracturing flowback fluid sedimentation and separation equipment according to claim 3, characterized in that: The interior of the stirring main shaft (15) is a hollow columnar structure. The stirring main shaft (15) is connected to the bottom pipe (13). The nozzle (14) is equidistantly connected to the bottom pipe (13). The stirring main shaft (15) is connected to the filter screen (28) through the air guide pipe (25) and the air pump (12). The filter screen (28) is fixedly connected to the filter screen plate (30).

5. The fracturing flowback fluid sedimentation and separation equipment according to claim 1, characterized in that: A blocking plate (10) is provided inside the drainage port (24), a connecting spring (9) is connected to the right side of the blocking plate (10), and a first hydraulic cylinder (8) is connected below the end of the blocking plate (10).

6. The fracturing flowback fluid sedimentation and separation equipment according to claim 5, characterized in that: The first hydraulic cylinder (8) is fixedly connected to the blocking plate (10), and the blocking plate (10) is elastically connected to the connecting spring (9).

7. The fracturing flowback fluid sedimentation and separation equipment according to claim 1, characterized in that: A second hydraulic cylinder (23) is arranged on the right side of the stirring motor (19), the end of the second hydraulic cylinder (23) is connected to a push block (16), and a drainage pipe (22) is arranged on the right side of the push block (16).

8. The fracturing flowback fluid sedimentation and separation equipment according to claim 7, characterized in that: The second hydraulic cylinder (23) is fixedly connected to the push block (16), and the push block (16) is fixedly connected to the drainage pipe (22).

9. The fracturing flowback fluid sedimentation and separation equipment according to claim 3, characterized in that: A plurality of heating wires (11) are arranged inside the heating box (26), and a horizontal filter plate (27) is arranged at the bottom of the interior of the heating box (26).

10. The fracturing flowback fluid sedimentation and separation equipment according to claim 9, characterized in that: The heating box (26) is fixedly connected to the transverse filter plate (27), and the heating box (26) is fixedly connected to the heating wire (11).

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