Oil field oil sludge treatment device

Abstract

The utility model relates to an oil field oil sludge treatment device which comprises a pyrolysis treatment box, a pretreatment box, a purification box, a purification structure, a pretreatment assembly and a uniform mixing assembly, a crushing motor drives a main crushing column to rotate, the main crushing column rotates to drive a driven crushing column to rotate, and oil sludge is subjected to crushing pretreatment, so that internally bonded sludge blocks are crushed; the uniform mixing motor drives the uniform mixing column to rotate, the uniform mixing column drives the mounting column to rotate, the mounting column drives the heating plate to rotate, and the heating plate stirs, uniformly mixes and heats the oil sludge, so that the added treatment agent and the sludge are fully stirred, and the pyrolysis quality is improved; according to the treatment agent, organic matters are conveniently treated, pyrolysis volatilization of the organic matters is facilitated, the treatment quality of the treatment agent is improved, and oil sludge adsorbed on the inner side wall of the uniform mixing cavity is scraped by a scraping plate, so that the oil sludge is prevented from being pyrolyzed and condensed on the inner side wall.

Description

Technical Field

[0001] The utility model relates to the technical field of oilfield waste oil sludge treatment, in particular to an oilfield waste oil sludge treatment device. Background Art

[0002] Oily sludge refers to solid waste containing oily substances, which is usually generated during the wastewater treatment process of oil extraction, oil refining, chemical industry and other industries. These wastewaters contain suspended grease and solid particles. The mixture formed after sedimentation or filtration is oily sludge. Oily sludge usually contains oily substances, solid particles and water, so it needs special treatment and disposal;

[0003] After searching, the Chinese patent with announcement number: CN204661522U discloses an oil-containing sludge pyrolysis treatment device capable of recycling pyrolysis residue, which includes an oil-containing sludge feeding dragon, a pyrolysis residue feeding dragon and a pyrolysis treatment device. The pyrolysis treatment device includes a mixing chamber and a pyrolysis reaction chamber. There is an oil sludge inlet at the rear of the mixing chamber, and an oil sludge outlet corresponding to the oil sludge inlet at the front of the oil-containing sludge feeding dragon. There is a pyrolysis residue inlet at the front of the mixing chamber, and a pyrolysis residue outlet corresponding to the pyrolysis residue inlet at the rear of the pyrolysis residue feeding dragon. The utility model has a reasonable and compact structure and is easy to use. In the process of treating oil-containing sludge, on the one hand, it can reduce the energy consumption of pyrolysis treatment of oil-containing sludge. On the other hand, the setting of the spray device can suppress the generation of dust from the pyrolysis residue, reduce the pollution to the environment caused by dust, and ensure the coordinated development of oilfield production and environmental protection.

[0004] When this patent is actually used, it has the following defects:

[0005] In this patent, the waste oil sludge cannot be pretreated during pyrolysis, and there may be sludge accumulated in the waste oil sludge. The sludge in the middle of the block is not completely pyrolyzed, which affects the evaporation and volatilization of water and volatile organic matter. At the same time, it may be necessary to add a treatment agent during pyrolysis to facilitate the volatilization of organic matter in the sludge, but the treatment agent cannot be mixed with the sludge, and the treatment agent is not used completely, which affects the quality of pyrolysis. Utility Model Content

[0006] In view of the technical problems in the existing patents that the waste oily sludge cannot be pre-treated, there may be sludge accumulated in the waste oily sludge, the sludge in the middle of the block is not completely pyrolyzed, which affects the evaporation and volatilization of water and volatile organic matter, and at the same time, it may be necessary to add a treatment agent during pyrolysis to facilitate the volatilization of organic matter in the sludge, but the treatment agent cannot be mixed with the sludge, the treatment agent is not used completely, and the pyrolysis quality is affected. The utility model provides an oilfield waste oily sludge treatment device.

[0007] The technical solution adopted by the utility model is: an oilfield waste sludge treatment device, comprising a pyrolysis treatment box, a pretreatment box, a purification box, a purification structure, a pretreatment component and a mixing component, the pretreatment component is installed inside the pretreatment box, the pretreatment component comprises a crushing motor and a crushing structure, the crushing motor is installed on one side of the pretreatment box by bolts, and the crushing structure is installed inside the pretreatment box.

[0008] Furthermore, the pretreatment box and the purification box are both fixedly welded to the top of the pyrolysis treatment box, the purification structure is installed inside the purification box, and the mixing component is installed inside the pyrolysis treatment box, so as to facilitate the stirring, mixing and heating of the added treatment agent and sludge, and fully treat the organic matter in the sludge to cause it to pyrolyze and volatilize.

[0009] Furthermore, a feed hopper is fixedly welded on the top of the pretreatment box, a crushing chamber is opened inside the pretreatment box, and the crushing structure includes a main crushing column and a driven crushing column. Both ends of the main crushing column are respectively fixedly welded to the output shaft of the crushing motor and rotatably installed on the inner wall of the crushing chamber, and the driven crushing column is rotatably installed between the inner wall of the crushing chamber and meshed with the main crushing column, so as to facilitate the crushing pretreatment of the waste oil sludge, crush the sludge blocks adhered inside, facilitate sufficient pyrolysis, and improve the pyrolysis quality.

[0010] Furthermore, a mixing chamber is provided inside the pyrolysis treatment box, a heating chamber is provided outside the mixing chamber, a heating structure is installed inside the heating chamber, and the mixing component includes a mixing motor and a mixing structure to provide a pyrolysis environment conveniently.

[0011] Furthermore, the mixing motor is installed on the top of the pyrolysis treatment box by bolts, and the mixing structure includes a mixing column, a mounting column, a heating plate and a scraper plate. The mixing column is fixedly welded to the output shaft of the mixing motor, and the mounting column is fixedly welded to both sides of the top of the mixing column to facilitate stirring and mixing work.

[0012] Furthermore, the heating plate is fixedly welded to the bottom of the mounting column, a through hole is provided on the heating plate, and the scraping plate is fixedly welded to one side of the mounting column and corresponds to the inner wall of the mixing chamber. The heating plate stirs and heats at the same time to improve the pyrolysis quality, and at the same time, the dirty oil sludge adsorbed on the inner wall of the mixing chamber is scraped off to prevent it from pyrolysis and condensation on the inner wall.

[0013] Furthermore, the purification structure includes a molecular sieve purification plate, a wood fiber purification plate and an activated carbon purification plate, and the molecular sieve purification plate, the wood fiber purification plate and the activated carbon purification plate are all installed in the purification box to facilitate the purification of the gas generated by pyrolysis and avoid direct discharge to pollute the environment.

[0014] The beneficial effects of the utility model are as follows: compared with the prior art, in the utility model,

[0015] 1. The main crushing column is driven by the crushing motor to rotate, and the rotation of the main crushing column drives the driven crushing column to rotate, so as to pre-crush the oily sludge and crush the internally bonded sludge blocks to facilitate full pyrolysis, avoid affecting the evaporation and volatilization of water and volatile organic matter, and improve the quality of pyrolysis.

[0016] 2. The mixing motor drives the mixing column to rotate, the mixing column drives the installation column to rotate, and the installation column drives the heating plate to rotate. The heating plate is used to stir, mix and heat the dirty oil sludge, so that the added treatment agent and the sludge are fully mixed, which is convenient for the treatment of organic matter, the pyrolysis and volatilization of organic matter, and the treatment quality of the treatment agent. The scraper plate is used to scrape the dirty oil sludge adsorbed on the inner wall of the mixing chamber to prevent its pyrolysis and condensation on the inner wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a three-dimensional structural schematic diagram of the pretreatment component in the utility model;

[0019] Figure 3 It is a three-dimensional structural schematic diagram of the mixing component in the utility model;

[0020] Figure 4 It is a three-dimensional structural schematic diagram of the purification structure in the utility model.

[0021] The markings in the figure are: 1. Pyrolysis treatment box; 2. Pretreatment box; 3. Purification box; 4. Purification structure; 5. Pretreatment component; 6. Mixing component; 7. Crushing motor; 8. Crushing structure; 9. Main crushing column; 10. Driven crushing column; 11. Mixing motor; 12. Mixing structure; 13. Mixing column; 14. Mounting column; 15. Heating plate; 16. Scraping plate; 17. Through hole; 18. Molecular sieve purification plate; 19. Wood fiber purification plate; 20. Activated carbon purification plate. DETAILED DESCRIPTION

[0022] In the description of the present invention, it should be noted that the terms "front", "up", "down", "left", "right", "vertical", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] The following is combined with Figure 1-4 The utility model is further described.

[0025] In order to solve the problems existing in the background technology, the present application proposes the following technical solution: an oilfield waste oil sludge treatment device.

[0026] The specific technical scheme includes a pyrolysis treatment box 1, a pretreatment box 2, a purification box 3, a purification structure 4, a pretreatment component 5 and a mixing component 6. The pretreatment component 5 is installed inside the pretreatment box 2. The pretreatment component 5 includes a crushing motor 7 and a crushing structure 8. The crushing motor 7 is installed on one side of the pretreatment box 2 by bolts. The crushing structure 8 is installed inside the pretreatment box 2. The pretreatment box 2 and the purification box 3 are fixedly welded to the top of the pyrolysis treatment box 1. The purification structure 4 is installed inside the purification box 3, and the mixing component 6 is installed inside the pyrolysis treatment box 1.

[0027] Reference Figure 1-2 A feed hopper is fixedly welded on the top of the pretreatment box 2, and a crushing chamber is opened inside the pretreatment box 2. The crushing structure 8 includes a main crushing column 9 and a driven crushing column 10. The two ends of the main crushing column 9 are respectively fixedly welded on the output shaft of the crushing motor 7 and rotatably installed on the inner side wall of the crushing chamber. The driven crushing column 10 is rotatably installed between the inner side walls of the crushing chamber and meshed with the main crushing column 9. A mixing chamber is opened inside the pyrolysis treatment box 1, and a heating chamber is opened outside the mixing chamber. A heating structure is installed inside the heating chamber. The mixing component 6 includes a mixing motor 11 and a mixing structure 12. The crushing motor 7, the main crushing column 9 and the driven crushing column 10 are used in combination to crush the waste oil sludge for pretreatment, so that the sludge blocks bonded inside are crushed, which is convenient for sufficient pyrolysis, avoids affecting the evaporation and volatilization of water and volatile organic matter, and improves the quality of pyrolysis.

[0028] Reference Figure 1 , Figure 3 , Figure 4The mixing motor 11 is installed on the top of the pyrolysis treatment box 1 by bolts. The mixing structure 12 includes a mixing column 13, a mounting column 14, a heating plate 15 and a scraping plate 16. The mixing column 13 is fixedly welded on the output shaft of the mixing motor 11. The mounting column 14 is fixedly welded on both sides of the top of the mixing column 13. The heating plate 15 is fixedly welded on the bottom of the mounting column 14. A through hole 17 is opened on the heating plate 15. The scraping plate 16 is fixedly welded on one side of the mounting column 14 and corresponds to the inner side wall of the mixing chamber. The cooperation of the mixing column 13, the mounting column 14, the heating plate 15 and the scraping plate 16 makes It is convenient to fully stir the added treatment agent with the sludge, facilitate the treatment of organic matter, facilitate the pyrolysis and volatilization of organic matter, and improve the treatment quality of the treatment agent. The scraper plate 16 is used to scrape the dirty oil sludge adsorbed on the inner wall of the mixing chamber to avoid its pyrolysis and condensation on the inner wall. The purification structure 4 includes a molecular sieve purification plate 18, a wood fiber purification plate 19 and an activated carbon purification plate 20. The molecular sieve purification plate 18, the wood fiber purification plate 19 and the activated carbon purification plate 20 are all installed in the purification box 3 to purify the gas generated by pyrolysis to avoid direct discharge and pollution of the environment.

[0029] In order for those skilled in the art to fully understand the technical solution, this application makes the following overall summary:

[0030] When in use, the waste oil sludge is introduced into the pretreatment box 2 through the feed hopper, and the main crushing column 9 is driven to rotate by the crushing motor 7, and the rotation of the main crushing column 9 drives the driven crushing column 10 to rotate, so as to pre-crush the waste oil sludge, so that the sludge blocks adhering to the inside are crushed, which is convenient for full pyrolysis, avoids affecting the evaporation and volatilization of water and volatile organic matter, and improves the quality of pyrolysis, and the mixing motor 11 drives the mixing column 13 to rotate, the mixing column 13 drives the installation column 14 to rotate, and the installation column 14 drives the heating plate 15 to rotate, and the heating plate 15 is driven to rotate. The dirty oily sludge is stirred, mixed and heated so that the added treatment agent is fully stirred with the sludge, which is convenient for the treatment of organic matter, the pyrolysis and volatilization of organic matter, and the treatment quality of the treatment agent. The dirty oily sludge adsorbed on the inner wall of the mixing chamber is scraped off by the scraping plate 16 to prevent its pyrolysis and condensation on the inner wall. The evaporated and volatilized gas enters the purification box 3, and the gas generated by pyrolysis is purified by the molecular sieve purification plate 18, the wood fiber purification plate 19 and the activated carbon purification plate 20 to avoid direct discharge and pollution of the environment.

[0031] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0032] Although the embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An oilfield sludge treatment device, characterized in that: The invention comprises a pyrolysis treatment box (1), a pretreatment box (2), a purification box (3), a purification structure (4), a pretreatment component (5) and a mixing component (6), wherein the pretreatment component (5) is installed inside the pretreatment box (2), the pretreatment component (5) comprises a crushing motor (7) and a crushing structure (8), the crushing motor (7) is installed on one side of the pretreatment box (2) by means of bolts, and the crushing structure (8) is installed inside the pretreatment box (2).

2. The oilfield sludge treatment device according to claim 1, characterized in that: The pretreatment box (2) and the purification box (3) are both fixedly welded to the top of the pyrolysis treatment box (1), the purification structure (4) is installed inside the purification box (3), and the mixing component (6) is installed inside the pyrolysis treatment box (1).

3. The oilfield sludge treatment device according to claim 2, characterized in that: A feed hopper is fixedly welded on the top of the pretreatment box (2), and a crushing chamber is opened inside the pretreatment box (2). The crushing structure (8) includes a main crushing column (9) and a driven crushing column (10). The two ends of the main crushing column (9) are respectively fixedly welded to the output shaft of the crushing motor (7) and rotatably installed on the inner side wall of the crushing chamber. The driven crushing column (10) is rotatably installed between the inner side walls of the crushing chamber and meshes with the main crushing column (9).

4. The oilfield sludge treatment device according to claim 3, characterized in that: The pyrolysis treatment box (1) has a mixing chamber inside, a heating chamber outside the mixing chamber, a heating structure inside the heating chamber, and the mixing component (6) includes a mixing motor (11) and a mixing structure (12).

5. The oilfield sludge treatment device according to claim 4, characterized in that: The mixing motor (11) is installed on the top of the pyrolysis treatment box (1) by bolts, and the mixing structure (12) includes a mixing column (13), a mounting column (14), a heating plate (15) and a scraping plate (16). The mixing column (13) is fixedly welded on the output shaft of the mixing motor (11), and the mounting column (14) is fixedly welded on both sides of the top of the mixing column (13).

6. The oilfield sludge treatment device according to claim 5, characterized in that: The heating plate (15) is fixedly welded to the bottom of the mounting column (14); a through hole (17) is provided on the heating plate (15); and the scraping plate (16) is fixedly welded to one side of the mounting column (14) and corresponds to the inner wall of the mixing chamber.

7. The oilfield sludge treatment device according to claim 2, characterized in that: The purification structure (4) comprises a molecular sieve purification plate (18), a wood fiber purification plate (19) and an activated carbon purification plate (20), and the molecular sieve purification plate (18), the wood fiber purification plate (19) and the activated carbon purification plate (20) are all installed in the purification box (3).

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