Complete equipment for cracking oil sludge

Abstract

The utility model discloses oil sludge cracking complete equipment which comprises a bottom plate, a cracking furnace and a recovery assembly are arranged on the top surface of the bottom plate, a spray tower and a combustion furnace are fixedly connected to the top surface of the bottom plate, the top surface of the cracking furnace is fixedly connected and communicated with a feed port, and a pretreatment assembly is arranged on the top surface of the feed port. The pretreatment assembly comprises a shell fixedly connected to the top face of the feeding port, a treatment cavity is formed in the shell, and a discharging cavity is formed in the bottom of the interior of the shell. The pretreatment assembly is arranged at the front end of the cracking furnace, the rotating directions of the two roller bodies are opposite, the rotating speeds of the two roller bodies are different, when oil sludge passes through the space between the two roller bodies, an agglomerated part can be arranged between an extrusion sheet of one roller body and the other roller body, the rotating speeds of the roller bodies are different, and therefore the two sides of the agglomerated part are subjected to different forces to form a grinding and rubbing effect; and the agglomerated part is rubbed and ground away, and then is put into the cracking furnace, so that the oil sludge entering the cracking furnace does not agglomerate, the cracking reaction efficiency is higher, and the reaction is more uniform.

Description

Technical Field

[0001] The utility model relates to the technical field of oil sludge processing equipment, in particular to a complete set of oil sludge cracking equipment. Background Art

[0002] Oily sludge is a waste generated during the oil production process. It is generated to varying degrees during the construction process such as oil field production and underground operations. These oily sludges have a high degree of mineralization and contain a lot of oil. If they are directly discharged without any treatment, they will cause serious environmental pollution. The current sludge treatment technology adopts a cracking method. Through the cracking of sludge, the oily sludge can be treated to make it into slag and oil that can be recycled again. The main equipment is a cracking furnace and supporting facilities of the cracking furnace. For example, the Chinese utility model patent with the authorization announcement number CN220098918U discloses an oil sludge cracking furnace, which belongs to the field of oil sludge cracking. The oil sludge cracking furnace includes: a heating furnace, the heating furnace is provided with a heating chamber; a first insulation pipe, the first insulation pipe is arranged in contact with the outer wall of the heating furnace, the first insulation pipe is provided with a first air inlet and a first air outlet, the first air inlet is close to the side of the heating furnace away from the ground and is connected to the heating chamber; the current oil sludge cracking equipment has the following defects:

[0003] The current sludge supporting equipment is also equipped with equipment for tail gas treatment, but lacks sludge pretreatment equipment. The sludge often clumps and directly enters the cracking furnace for cracking reaction. Although a stirring device is installed in the cracking furnace to break up the clumped sludge, it will affect the cracking efficiency and cause uneven sludge cracking reaction.

[0004] Therefore, we propose a complete set of oil sludge cracking equipment to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a complete set of oil sludge cracking equipment to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: an oil sludge cracking complete set of equipment, comprising a bottom plate, a cracking furnace and a recovery component are arranged on the top surface of the bottom plate, a spray tower and a combustion furnace are fixedly connected to the top surface of the bottom plate, the top surface of the cracking furnace is fixedly connected to and communicated with a feed port, and a pretreatment component is arranged on the top surface of the feed port;

[0007] The pretreatment component includes a shell fixedly connected to the top surface of the feed port, a processing chamber is provided inside the shell, a material discharge chamber is provided at the bottom of the shell, a feeding port is fixedly connected to the top surface of the shell, the feeding port is connected to the top of the processing chamber, the bottom of the processing chamber is connected to the material discharge chamber, and the material discharge chamber is connected to the feed port;

[0008] The two shafts are horizontally rotatably connected in the processing chamber, and the outer sides of the two shafts are fixedly sleeved with two roller bodies, and multiple extrusion sheets are evenly fixedly connected to the circumference of the roller bodies, and the multiple extrusion sheets on the two roller bodies are staggered. The side wall of the shell is fixedly connected to the transmission warehouse, and the bottom of the transmission warehouse is rotatably connected to the driving shaft, the first driven shaft and the second driven shaft. The driving shaft, the first driven shaft and the second driven shaft are located at the same height position, the first driven shaft is located between the driving shaft and the second driven shaft, the first driven shaft is fixedly sleeved with the first driving pulley, and the second driven shaft is fixedly sleeved with the second driving pulley, the two ends of the shafts are located in the transmission warehouse and fixedly connected with the two driven pulleys, the first driving pulley and one of the driven pulleys are sleeved with a first synchronous belt, the second driving pulley and the other driven pulley are sleeved with a second synchronous belt, and the diameter of the first driving pulley is smaller than that of the second driving pulley.

[0009] Preferably, the outer wall of the transmission bin is fixedly connected to the driving motor, the rotating shaft end of the driving motor is fixedly connected to the end of the driving shaft, the driving shaft is fixedly connected to the driving gear, the first driven shaft is fixedly connected to the first driven gear, the second driven shaft is fixedly connected to the second driven gear, the driving gear is meshedly connected to the first driven gear, the first driven gear is meshedly connected to the second driven gear, and the driving gear, the first driven gear and the second driven gear have the same diameter.

[0010] Preferably, the top surface of the cracking furnace is fixedly connected to and connected to the exhaust port, the exhaust port is fixedly connected to and connected to one end of the exhaust pipe, the other end of the exhaust pipe is connected to a recovery component, the recovery component is connected to the combustion furnace, the cracking furnace is fixedly connected to a stand, the bottom of the stand is fixedly connected to the top surface of the base plate, the bottom of the cracking furnace is fixedly connected to and connected to a slag storage chamber, and the slag storage chamber is fixedly connected to the top surface of the base plate.

[0011] Preferably, one side wall of the cracking furnace is fixedly connected to and connected with the tail gas port and the return gas port, the other side wall of the cracking furnace is fixedly connected to and connected with the protective gas port, the tail gas port is fixedly connected to and connected with the first fan, the first fan is fixedly connected to and connected with one end of the tail gas pipe, the other end of the tail gas pipe is fixedly connected to and connected with the spray tower, and the top of the spray tower is fixedly connected to and connected with the exhaust gas port.

[0012] Preferably, the recovery component includes a base fixedly connected to the top surface of the base plate, the top surface of the base is fixedly connected to a bracket, and a dust filter, an oil-gas separator and an oil storage tank are fixedly connected to the bracket from top to bottom in sequence, the dust filter is fixedly connected to and connected to the end of the exhaust pipe, the dust filter and the oil-gas separator are fixedly connected to and connected to a connecting pipe, the connecting pipe is fixedly connected to and connected to a second fan, the oil-gas separator is connected to the oil storage tank, the oil-gas separator is fixedly connected to and connected to an air pipe, the end of the air pipe is fixedly connected to and connected to a combustion furnace, the return air port is fixedly connected to and connected to the return air pipe, and the end of the return air pipe is fixedly connected to and connected to the combustion furnace.

[0013] Preferably, two scrapers are horizontally fixed on both sides of the processing chamber, and a plurality of scraping openings are provided on the scraper close to the roller body corresponding to the positions of the plurality of extrusion sheets. The side wall of the scraper contacts the surface of the roller body, and the side wall of the scraping opening contacts the side wall of the extrusion sheet.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model arranges a pretreatment component at the front end of a cracking furnace, wherein two roller bodies rotate in opposite directions and have different rotation speeds. When the oil sludge passes between the two roller bodies, the agglomerated part will be placed between the extrusion sheet of one roller body and the other roller body. The roller bodies rotate at different speeds, so that the two sides of the agglomerated part are subjected to different forces, forming a rolling and rubbing effect, and the agglomerated part is rubbed and crushed, and then put into the cracking furnace. In this way, the oil sludge entering the cracking furnace will not agglomerate, the cracking reaction efficiency is higher, and the reaction is more uniform. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the main structure in the first and second embodiments of the utility model;

[0017] Figure 2 It is a schematic diagram of the vertical section structure of the pre-treatment component in the first and second embodiments of the utility model;

[0018] Figure 3 It is a schematic diagram of the horizontal section structure of the pre-treatment component in the first and second embodiments of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the recycling component in the second embodiment of the utility model.

[0020] In the figure: 1, bottom plate; 2, cracking furnace; 3, spray tower; 4, recovery component; 5, combustion furnace; 6, pretreatment component; 21, feed inlet; 22, tail gas outlet; 23, first fan; 24, tail gas pipe; 25, exhaust port; 26, exhaust pipe; 27, stand; 28, protective gas port; 29, return air port; 210, return air pipe; 211, slag storage chamber; 31, exhaust gas outlet; 41, base; 42, bracket; 43, dust filter; 44, oil-gas separator; 45, oil storage bin; 46, connecting pipe; 47, second fan; 48, air pipe ; 61. Shell; 62. Processing chamber; 63. Feeding chamber; 64. Feeding port; 65. Shaft; 66. Roller; 67. Extrusion sheet; 68. Scraper; 69. Transmission bin; 610. Driving shaft; 611. First driven shaft; 612. Second driven shaft; 613. Driven pulley; 614. First driving pulley; 615. Second driving pulley; 616. First synchronous belt; 617. Second synchronous belt; 618. Driving gear; 619. First driven gear; 620. Second driven gear; 621. Driving motor; 622. Scraping port. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1:

[0023] See also Figure 1-3 The utility model provides a technical solution: a complete set of oil sludge cracking equipment, including a bottom plate 1, a cracking furnace 2 and a recovery component 4 are arranged on the top surface of the bottom plate 1, a spray tower 3 and a combustion furnace 5 are fixedly connected to the top surface of the bottom plate 1, the top surface of the cracking furnace 2 is fixedly connected to and communicated with a feed port 21, and a pretreatment component 6 is arranged on the top surface of the feed port 21;

[0024] The pretreatment component 6 includes a shell 61 fixedly connected to the top surface of the feed port 21, a processing chamber 62 is provided inside the shell 61, a material discharge chamber 63 is provided at the bottom of the shell 61, a feeding port 64 is fixedly connected to the top surface of the shell 61, the feeding port 64 is connected to the top of the processing chamber 62, the bottom of the processing chamber 62 is connected to the material discharge chamber 63, and the material discharge chamber 63 is connected to the feed port 21. The pretreatment component 6 is used to treat the oil sludge, mainly to disperse the agglomerated part of the oil sludge;

[0025] Two shafts 65 are connected to the processing chamber 62 for horizontal rotation. Two roller bodies 66 are fixedly sleeved on the outer sides of the two shafts 65. Multiple extrusion sheets 67 are evenly fixedly connected to the circumference of the roller bodies 66. The multiple extrusion sheets 67 on the two roller bodies 66 are staggered. The side wall of the shell 61 is fixedly connected to the transmission chamber 69. The bottom of the transmission chamber 69 is rotatably connected to the driving shaft 610, the first driven shaft 611 and the second driven shaft 612. The driving shaft 610, the first driven shaft 611 and the second driven shaft 612 are located at the same height. The first driven shaft 611 is located between the driving shaft 610 and the second driven shaft 612. The first driven shaft 611 is fixedly sleeved with a first driving pulley 614, and the second driven shaft 612 is fixedly sleeved with a second driving pulley 615. The ends of the two shafts 65 It is located in the transmission bin 69 and fixedly connected to two driven pulleys 613. The first driving pulley 614 is sleeved with a first synchronous belt 616 on one of the driven pulleys 613. The second driving pulley 615 is sleeved with a second synchronous belt 617 on the other driven pulley 613. The diameter of the first driving pulley 614 is smaller than that of the second driving pulley 615. The two pulleys with different diameters drive the two shafts 65 to rotate, so that the shafts 65 form a differential speed. When the sludge passes between the two rollers 66, the agglomerated part will be placed between the extrusion sheet 67 of one roller 66 and the other roller 66. The rotation speeds of the rollers 66 are different, so that the two sides of the agglomerated part are subjected to different forces, forming a grinding and rubbing effect, and the agglomerated part is rubbed and crushed, and then put into the cracking furnace 2.

[0026] Embodiment 2:

[0027] See also Figure 1-4 , which is the second embodiment of the utility model. This embodiment is based on the previous embodiment. The outer wall of the transmission compartment 69 is fixedly connected to the driving motor 621. The end of the rotating shaft of the driving motor 621 is fixedly connected to the end of the driving shaft 610. The driving shaft 610 is fixedly connected with a driving gear 618. The first driven shaft 611 is fixedly connected with a first driven gear 619. The second driven shaft 612 is fixedly connected with a second driven gear 620. The driving gear 618 is meshedly connected to the first driven gear 619. The first driven gear 619 is meshedly connected to the second driven gear 620. The driving gear 618, the first driven gear 619 and the second driven gear 620 have the same diameters and are used to drive the two shafts 65 to rotate in opposite directions.

[0028] The top surface of the cracking furnace 2 is fixedly connected to and connected with the exhaust port 25, the exhaust port 25 is fixedly connected to and connected with one end of the exhaust pipe 26, the other end of the exhaust pipe 26 is connected to the recovery component 4, the recovery component 4 is connected to the combustion furnace 5, the cracking furnace 2 is fixedly connected with a stand 27, the bottom of the stand 27 is fixedly connected to the top surface of the bottom plate 1, the bottom of the cracking furnace 2 is fixedly connected to and connected with the slag storage chamber 211, and the slag storage chamber 211 is fixedly connected to the top surface of the bottom plate 1.

[0029] One side wall of the cracking furnace 2 is fixedly connected to and connected with the tail gas port 22 and the return gas port 29, the other side wall of the cracking furnace 2 is fixedly connected to and connected with the protection gas port 28, the tail gas port 22 is fixedly connected to and connected with the first fan 23, the first fan 23 is fixedly connected to and connected with one end of the tail gas pipe 24, the other end of the tail gas pipe 24 is fixedly connected to and connected with the spray tower 3, the top of the spray tower 3 is fixedly connected to and connected with the waste gas port 31, and the spray tower 3 is used to treat the tail gas before discharging it.

[0030] The recovery component 4 includes a base 41 fixedly connected to the top surface of the base plate 1, the top surface of the base 41 is fixedly connected to a bracket 42, and a dust filter 43, an oil-gas separator 44 and an oil storage bin 45 are fixedly connected to the bracket 42 from top to bottom in sequence. The dust filter 43 is fixedly connected to and connected to the end of the exhaust pipe 26, and a connecting pipe 46 is fixedly connected and connected between the dust filter 43 and the oil-gas separator 44. The connecting pipe 46 is fixedly connected and connected to a second fan 47, the oil-gas separator 44 is connected to the oil storage bin 45, and the oil-gas separator 44 is fixedly connected to and connected to an air pipe 48, and the end of the air pipe 48 is fixedly connected and connected to the combustion furnace 5, and the return air port 29 is fixedly connected and connected to the return air pipe 210, and the end of the return air pipe 210 is fixedly connected and connected to the combustion furnace 5. The combustion furnace 5 burns the separated gas, and then passes it back into the cracking furnace 2 to utilize heat.

[0031] Two scrapers 68 are fixedly connected horizontally on both sides of the processing chamber 62. Multiple scraping openings 622 are provided on the scraper 68 close to the roller body 66 and correspond to the positions of multiple extrusion sheets 67. The side walls of the scraper 68 contact the surface of the roller body 66, and the side walls of the scraping openings 622 contact the side walls of the extrusion sheets 67 to scrape off the sludge on the roller body 66 and the extrusion sheets 67.

[0032] Embodiment 3:

[0033] See also Figure 1-4 , which is the third embodiment of the utility model. This embodiment is based on the above two embodiments. When the utility model is used, the sludge is put into the pretreatment component 6 for treatment, and then added to the cracking furnace 2 for reaction. The generated gas enters the recovery component 4, passes through the dust removal filter 43 to remove impurities, and then enters the oil-gas separator 44 for separation. The liquid phase enters the oil storage bin 45, and the gas phase enters the combustion furnace 5 for combustion. The high-temperature gas of the combustion enters the cracking furnace 2 for secondary utilization. The tail gas generated by the cracking furnace 2 is discharged after being treated by the spray tower 3, and the slag generated by the cracking furnace 2 is discharged into the slag storage chamber 211 is recovered; the utility model sets a pretreatment component 6 at the front end of the cracking furnace 2, in which two rollers 66 turn in opposite directions and have different rotation speeds. When the sludge passes between the two rollers 66, the agglomerated part will be placed between the extrusion sheet 67 of one roller 66 and the other roller 66. The rotation speeds of the rollers 66 are different, so that the two sides of the agglomerated part are subjected to different forces, forming a grinding and rubbing effect, and the agglomerated part is rubbed and crushed, and then put into the cracking furnace 2, so that the sludge entering the cracking furnace 2 will not agglomerate, the cracking reaction efficiency is higher, and the reaction is more uniform.

[0034] 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 complete set of oil sludge cracking equipment, comprising a bottom plate (1), characterized in that: The top surface of the bottom plate (1) is provided with a cracking furnace (2) and a recovery component (4); the top surface of the bottom plate (1) is fixedly connected to a spray tower (3) and a combustion furnace (5); the top surface of the cracking furnace (2) is fixedly connected to and communicates with a feed port (21); and the top surface of the feed port (21) is provided with a pretreatment component (6); The pretreatment component (6) comprises a shell (61) fixedly connected to the top surface of the feed port (21), a processing chamber (62) is provided inside the shell (61), a material discharge chamber (63) is provided at the bottom of the shell (61), a feeding port (64) is fixedly connected to the top surface of the shell (61), the feeding port (64) is connected to the top of the processing chamber (62), the bottom of the processing chamber (62) is connected to the material discharge chamber (63), and the material discharge chamber (63) is connected to the feed port (21); Two shafts (65) are horizontally rotatably connected in the processing chamber (62); two roller bodies (66) are fixedly sleeved on the outer sides of the two shafts (65); a plurality of extrusion sheets (67) are evenly fixedly connected to the circumference of the roller bodies (66); the plurality of extrusion sheets (67) on the two roller bodies (66) are staggered with each other; the side wall of the shell (61) is fixedly connected to a transmission bin (69); the bottom of the transmission bin (69) is rotatably connected to a driving shaft (610), a first driven shaft (611) and a second driven shaft (612); the driving shaft (610), the first driven shaft (611) and the second driven shaft (612) are located at the same height; the first driven shaft (611) is located above the driving shaft (610) and the second driven shaft (612), the first driven shaft (611) is fixedly sleeved with a first driving pulley (614), the second driven shaft (612) is fixedly sleeved with a second driving pulley (615), the two ends of the shaft rod (65) are located in the transmission bin (69) and fixedly connected to the two driven pulleys (613), the first driving pulley (614) and one of the driven pulleys (613) are sleeved with a first synchronous belt (616), the second driving pulley (615) and the other driven pulley (613) are sleeved with a second synchronous belt (617), the first driving pulley (614) has a smaller diameter than the second driving pulley (615).

2. The oil sludge cracking equipment according to claim 1, characterized in that: The outer wall of the transmission bin (69) is fixedly connected to a driving motor (621); the end of the rotating shaft of the driving motor (621) is fixedly connected to the end of the driving shaft (610); a driving gear (618) is fixedly sleeved on the driving shaft (610); a first driven gear (619) is fixedly sleeved on the first driven shaft (611); a second driven gear (620) is fixedly sleeved on the second driven shaft (612); the driving gear (618) is meshedly connected to the first driven gear (619); the first driven gear (619) is meshedly connected to the second driven gear (620); and the driving gear (618), the first driven gear (619) and the second driven gear (620) have the same diameter.

3. The oil sludge cracking equipment according to claim 1, characterized in that: The top surface of the cracking furnace (2) is fixedly connected to and communicated with an exhaust port (25), the exhaust port (25) is fixedly connected to and communicated with one end of an exhaust pipe (26), the other end of the exhaust pipe (26) is connected to a recovery assembly (4), the recovery assembly (4) is connected to a combustion furnace (5), a stand (27) is fixedly connected to the cracking furnace (2), the bottom of the stand (27) is fixedly connected to the top surface of the bottom plate (1), the bottom of the cracking furnace (2) is fixedly connected to and communicated with a slag storage chamber (211), and the slag storage chamber (211) is fixedly connected to the top surface of the bottom plate (1).

4. The oil sludge cracking equipment according to claim 3, characterized in that: One side wall of the cracking furnace (2) is fixedly connected to and communicated with a tail gas port (22) and a return gas port (29); the other side wall of the cracking furnace (2) is fixedly connected to and communicated with a protective gas port (28); the tail gas port (22) is fixedly connected to and communicated with a first fan (23); the first fan (23) is fixedly connected to and communicated with one end of a tail gas pipe (24); the other end of the tail gas pipe (24) is fixedly connected to and communicated with a spray tower (3); and the top of the spray tower (3) is fixedly connected to and communicated with a waste gas port (31).

5. The oil sludge cracking equipment according to claim 4, characterized in that: The recovery component (4) comprises a base (41) fixedly connected to the top surface of the bottom plate (1); the top surface of the base (41) is fixedly connected to a bracket (42); a dust filter (43), an oil-gas separator (44) and an oil storage bin (45) are fixedly connected to the bracket (42) from top to bottom in sequence; the dust filter (43) is fixedly connected to and connected to the end of an exhaust pipe (26); a connecting pipe (46) is fixedly connected and connected between the dust filter (43) and the oil-gas separator (44); a second fan (47) is fixedly connected to the connecting pipe (46); the oil-gas separator (44) is connected to the oil storage bin (45); the oil-gas separator (44) is fixedly connected to and connected to an air pipe (48); an end of the air pipe (48) is fixedly connected to and connected to a combustion furnace (5); the air return port (29) is fixedly connected to and connected to an air return pipe (210); an end of the air return pipe (210) is fixedly connected to and connected to the combustion furnace (5).

6. The oil sludge cracking equipment according to claim 1, characterized in that: Two scrapers (68) are horizontally fixedly connected to the two sides of the processing chamber (62); a plurality of scraping openings (622) are provided on the side of the scraper (68) close to the roller body (66) corresponding to the positions of the plurality of extrusion sheets (67); the side wall of the scraper (68) contacts the surface of the roller body (66), and the side wall of the scraping opening (622) contacts the side wall of the extrusion sheet (67).

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