An oil sludge treatment device based on a mechanical grinding pyrolysis method

Abstract

The utility model discloses an oil sludge treatment device based on mechanical grinding pyrolysis method. Including: closed type grinding pyrolysis cabin, its inside is equipped with the cavity that is cuboid, waste residue discharge device, it sets up closed type grinding pyrolysis cabin lower part, pyrolysis gas phase export, it sets up closed type grinding pyrolysis cabin upper end face on and with feed device opposite setting, motor, it sets up closed type grinding pyrolysis cabin upper end face center, the output shaft of motor stretches into closed type grinding pyrolysis cabin, cylinder transmission device, it sets up closed type grinding pyrolysis cabin in, cylinder transmission device's upper end is connected with output shaft, grinding pyrolysis cutter head, with cylinder transmission device's lower end is connected, the utility model discloses beneficial effect is: through the mode of mechanical grinding pyrolysis treatment oil sludge, need not oil sludge viscosity reduction device, also need not to add reagent, has improved the security and stability in the process of oil sludge treatment, is more environmental protection.

Description

Technical Field

[0001] This utility model relates to the field of oil sludge resource utilization technology, and in particular to an oil sludge treatment device based on mechanical grinding and pyrolysis method. Background Technology

[0002] Offshore oil production platforms, as integrated processing facilities for oil extraction, easily accumulate waste sludge at the bottom of their production and storage tanks. This sludge occupies tank space and frequently clogs the filters of sludge pumps, closed-loop pumps, and external pumps, increasing the burden on the processes. Resource-based treatment of this sludge not only protects the environment but also better implements the company's environmental protection philosophy and saves on oil production and development costs. Currently, offshore oil production platforms use sludge reduction and crude oil purification and recovery systems to treat sludge, achieving volume reduction of offshore waste sludge. However, these systems have the following drawbacks: 1. Complex treatment system; 2. Requires chemical assistance; chemical treatment methods typically require the use of toxic or harmful chemicals, which increases the amount of waste. Utility Model Content

[0003] The purpose of this invention is to provide an oil sludge treatment device based on mechanical grinding and pyrolysis. This device treats oil sludge through mechanical grinding and pyrolysis, eliminating the need for oil sludge viscosity reduction devices or the addition of chemicals. This improves the safety and stability of the oil sludge treatment process and is also more environmentally friendly.

[0004] To achieve the above objectives, the present invention adopts the following technical solution, including: A closed grinding pyrolysis chamber has a rectangular cavity inside; a feeding device for injecting sludge into the closed grinding pyrolysis chamber is provided at the edge of the upper end face of the closed grinding pyrolysis chamber. A waste discharge device is installed at the bottom of the enclosed grinding and pyrolysis chamber for discharging the treated solid waste. The pyrolysis gas phase outlet is located on the upper surface of the enclosed grinding pyrolysis chamber and is positioned opposite to the feeding device. An electric motor is located at the center of the upper surface of the enclosed grinding and pyrolysis chamber, and the output shaft of the electric motor extends into the enclosed grinding and pyrolysis chamber. A cylinder transmission device is installed inside the enclosed grinding and pyrolysis chamber, and the upper end of the cylinder transmission device is connected to the output shaft. The grinding pyrolysis blade is connected to the lower end of the cylinder transmission device and is used to rotate and lift under the drive of the cylinder transmission device to grind the sludge.

[0005] Preferably, the waste discharge device includes: The solid waste outlet is located on the side wall of the lower part of the enclosed grinding and pyrolysis chamber; A manual outlet switch valve is installed at the outlet of the solid waste residue and is used to control the opening and closing of the outlet of the solid waste residue. A bottom cylinder is located on the outer side wall opposite the solid waste outlet; the piston rod of the bottom cylinder extends into the enclosed grinding and pyrolysis chamber. The bottom solid phase pusher plate is located at the bottom of the closed grinding and pyrolysis chamber and is connected to the piston rod. It is used to discharge the solid phase waste residue out of the closed grinding and pyrolysis chamber through the solid phase waste residue outlet under the drive of the bottom cylinder. The length and width of the bottom solid phase pusher plate are greater than the length and width of the solid phase waste outlet.

[0006] Preferably, a filter screen is provided in the pyrolysis gas phase outlet.

[0007] Preferably, the feeding device includes: The feed inlet, which is bucket-shaped, is located at the edge of the upper end face of the enclosed grinding and pyrolysis chamber; A stirring mechanism, which is located inside the feed inlet, is used to stir the sludge.

[0008] Preferably, the cylinder transmission device includes: The cylinder has a cylindrical structure. The upper and lower parts of the cylinder are respectively provided with a first air inlet / outlet and a second air inlet / outlet, which are respectively connected to an air source. An opening is provided on the upper end face of the cylinder for the motor output shaft to enter. A piston is disposed inside the cylinder, the outer circumference of the piston being adapted to the inner circumference of the cylinder; the piston divides the interior of the cylinder into an upper space and a lower space; the first air inlet / outlet and the second air inlet / outlet are respectively connected to the upper space and the lower space; A piston rod is disposed at the center of the piston and extends downward, with the lower end of the piston rod extending to the outside of the cylinder and connecting to the grinding pyrolysis blade disc; a cavity is provided at the center of the piston rod; a first longitudinal keyway is provided in the middle of the cavity along the circumference; A splined shaft is disposed within the cavity; a second keyway is provided longitudinally along the circumference in the middle of the splined shaft, the second keyway being adapted to the first keyway; the upper end of the splined shaft is connected to the motor output shaft; wherein, the air source drives the piston to move the piston rod up and down by charging and discharging air through the first air inlet and outlet and the second air inlet and outlet.

[0009] Preferably, the grinding pyrolysis blade disc includes: The cutter head is connected at its center to the lower end of the cylinder transmission device and the piston rod; the cutter head is provided with multiple rings of wear-resistant cutter head mounting holes arranged in a circle. Multiple wear-resistant cutting heads are respectively disposed in the cutting disc mounting holes.

[0010] Preferably, a temperature sensor is provided at the center of the cutter head, and a wear sensor is installed on each wear-resistant cutter head.

[0011] Preferably, a heat insulation plate is provided on the outer wall of the enclosed grinding pyrolysis chamber.

[0012] Preferably, the motor mount is fixed to the top of the enclosed grinding and pyrolysis chamber by bolts at the four corners.

[0013] The beneficial effects of this invention are: by treating oil sludge through mechanical grinding and pyrolysis, there is no need for an oil sludge viscosity reduction device or the addition of chemicals, which improves the safety and stability of the oil sludge treatment process and is more environmentally friendly. Attached Figure Description

[0014] Figure 1 This is a perspective view of an oil sludge treatment device based on a mechanical grinding and pyrolysis method according to this utility model.

[0015] Figure 2 This is a cross-sectional view of an oil sludge treatment device based on a mechanical grinding and pyrolysis method according to this utility model.

[0016] Figure 3 This is a schematic diagram of the grinding pyrolysis cutter disc in this utility model.

[0017] Figure 4 This is a schematic diagram of the cylinder transmission device in this utility model. Detailed Implementation

[0018] The utility model will now be described in further detail with reference to the accompanying drawings, so that those skilled in the art can implement it based on the description.

[0019] It should be understood that terms such as “having,” “comprising,” and “including” as used herein do not exclude the presence or addition of one or more other elements or combinations thereof.

[0020] like Figure 1-4 As shown, the present invention provides an oil sludge treatment device based on a mechanical grinding and pyrolysis method, comprising: A closed grinding pyrolysis chamber 110 has a rectangular cavity inside; a feeding device 120 for injecting sludge into the closed grinding pyrolysis chamber is provided at the edge of the upper end face of the closed grinding pyrolysis chamber 110. Waste discharge device 130 is installed at the lower part of the closed grinding and pyrolysis chamber 110 and is used to discharge the treated solid waste. The pyrolysis gas phase outlet 140 is disposed on the upper end surface of the closed grinding pyrolysis chamber 110 and is positioned opposite to the feeding device 120. A motor 150 is located at the center of the upper end face of the enclosed grinding pyrolysis chamber 110, and the output shaft of the motor extends into the enclosed grinding pyrolysis chamber 110. A cylinder transmission device 160 is disposed inside the enclosed grinding pyrolysis chamber 110, and the upper end of the cylinder transmission device 160 is connected to the output shaft. The grinding pyrolysis blade 170 is connected to the lower end of the cylinder transmission device 160 and is used to rotate and lift under the drive of the cylinder transmission device 160 to grind the sludge.

[0021] During operation, the sludge to be treated enters the closed grinding and pyrolysis chamber 110 through the feeding device 120. The motor 150 outputs rotational power, and the cylinder transmission device 160 outputs lifting and lowering power. Both drive the grinding and pyrolysis cutter disc 170 to rotate, lift, and lower, thereby achieving mechanical grinding and pyrolysis of the sludge to be treated. The gas generated during the process is discharged from the pyrolysis gas phase outlet 140, and the treated sludge is discharged from the waste residue discharge device 130.

[0022] In another embodiment, the waste discharge device 130 includes: a solid waste outlet 131 disposed on the side wall of the lower part of the enclosed grinding pyrolysis chamber 110; a manual outlet switch valve 132 disposed at the solid waste outlet 130 for controlling the opening and closing of the solid waste outlet 131; a bottom cylinder 133 disposed on the outer side of the side wall opposite to the solid waste outlet 131; the piston rod of the bottom cylinder 133 extends into the enclosed grinding pyrolysis chamber 110; and a bottom solid push plate 134 disposed at the lower part of the enclosed grinding pyrolysis chamber 110 and connected to the piston rod for discharging solid waste through the solid waste outlet 131 out of the enclosed grinding pyrolysis chamber under the drive of the bottom cylinder 133; wherein the length and width of the bottom solid push plate 134 are greater than the length and width of the solid waste outlet 131.

[0023] In another embodiment, a filter screen is provided inside the pyrolysis gas phase outlet 140.

[0024] In another embodiment, the feeding device 120 includes: a feed inlet 121, which is bucket-shaped and disposed at the edge of the upper end face of the enclosed grinding pyrolysis chamber 100; and a stirring mechanism 122 disposed inside the feed inlet 121 for stirring the sludge.

[0025] In another embodiment, the cylinder transmission device 160 includes: a cylinder 161, which has a cylindrical structure, and the upper and lower parts of the cylinder 161 are respectively provided with a first air inlet / outlet 161a and a second air inlet / outlet 161b, which are respectively connected to an air source; an opening for the motor output shaft to enter is provided on the upper end face of the cylinder; a piston 162, which is disposed in the cylinder 161, and the outer periphery of the piston 162 is adapted to the inner periphery of the cylinder 161; the piston 162 is axially movable in the cylinder 161; the piston 162 divides the interior of the cylinder 161 into an upper space and a lower space; the first air inlet / outlet 161a and the second air inlet / outlet 161b are respectively connected to the upper space and the lower space; and a piston rod 163, which... The upper end is connected to the piston 162, and the lower end extends to the outside of the cylinder and is connected to the grinding pyrolysis blade disc 170; the piston rod 163 is located at the center of the piston 162 and extends downward, the lower end of the piston rod 162 extends to the outside of the cylinder 161 and is connected to the grinding pyrolysis blade disc 170; a cavity is provided at the center of the piston rod 163; a first longitudinal keyway is provided along the circumference in the middle of the cavity; a spline shaft 164 is located in the cavity; a second longitudinal keyway is provided along the circumference in the middle of the spline shaft, the second keyway being adapted to the first keyway; the upper end of the spline shaft 164 is connected to the output shaft of the motor 150; wherein, the air source drives the piston 162 to move the piston rod 163 up and down by charging and discharging air through the first air inlet / outlet 161a and the second air inlet / outlet 161b.

[0026] In another embodiment, the grinding pyrolysis cutter disc 170 includes: a cutter disc 171, the center of which is connected to the lower end of the cylinder transmission device 160 and the piston rod 163; multiple wear-resistant cutter head mounting holes arranged in a circle are provided on the cutter disc 171; and multiple wear-resistant cutter heads 172 are respectively disposed in the cutter disc mounting holes.

[0027] In another embodiment, a temperature sensor 181 is provided at the center of the cutter head 171, and a wear sensor 182 is installed on each wear-resistant cutter head 172.

[0028] In another embodiment, a heat insulation plate is provided on the outer wall of the enclosed grinding pyrolysis chamber 110.

[0029] In another embodiment, the four corners of the motor mount of the motor 150 are fixed to the top of the enclosed grinding pyrolysis chamber 110 by bolts 151.

[0030] In summary, this utility model provides an oil sludge treatment device based on mechanical grinding and pyrolysis. By treating oil sludge through mechanical grinding and pyrolysis, it eliminates the need for oil sludge viscosity reduction devices and the addition of chemicals, thereby improving the safety and stability of the oil sludge treatment process and making it more environmentally friendly.

[0031] Although the embodiments of this utility model have been disclosed above, they are not limited to the applications listed in the specification and embodiments. They can be applied to various fields suitable for this utility model. For those skilled in the art, other modifications can be easily made. Therefore, without departing from the general concept defined by the claims and their equivalents, this utility model is not limited to the specific details and the illustrations shown and described herein.

Claims

1. An oil sludge treatment device based on mechanical grinding and pyrolysis method, characterized in that, include: A closed grinding pyrolysis chamber, which has a rectangular cavity inside; A feeding device for injecting sludge into the closed grinding pyrolysis chamber is provided at the edge of the upper end face of the chamber. A waste discharge device is installed at the bottom of the enclosed grinding and pyrolysis chamber for discharging the treated solid waste. The pyrolysis gas phase outlet is located on the upper surface of the enclosed grinding pyrolysis chamber and is positioned opposite to the feeding device. An electric motor is located at the center of the upper surface of the enclosed grinding and pyrolysis chamber, and the output shaft of the electric motor extends into the enclosed grinding and pyrolysis chamber. A cylinder transmission device is installed inside the enclosed grinding and pyrolysis chamber, and the upper end of the cylinder transmission device is connected to the output shaft. The grinding pyrolysis blade is connected to the lower end of the cylinder transmission device and is used to rotate and lift under the drive of the cylinder transmission device to grind the sludge.

2. The sludge treatment apparatus based on mechanical grinding and pyrolysis method according to claim 1, characterized in that, The waste discharge device includes: The solid waste outlet is located on the side wall of the lower part of the enclosed grinding and pyrolysis chamber; A manual outlet switch valve is installed at the outlet of the solid waste residue and is used to control the opening and closing of the outlet of the solid waste residue. A bottom cylinder is located on the outer side wall opposite the solid waste outlet; the piston rod of the bottom cylinder extends into the enclosed grinding and pyrolysis chamber. The bottom solid phase pusher plate is located at the bottom of the closed grinding and pyrolysis chamber and is connected to the piston rod. It is used to discharge the solid phase waste residue out of the closed grinding and pyrolysis chamber through the solid phase waste residue outlet under the drive of the bottom cylinder. The length and width of the bottom solid phase pusher plate are greater than the length and width of the solid phase waste outlet.

3. The sludge treatment apparatus based on mechanical grinding and pyrolysis method according to claim 1, characterized in that, A filter screen is provided in the pyrolysis gas phase outlet.

4. The sludge treatment device based on mechanical grinding and pyrolysis method according to claim 1, characterized in that, The feeding device includes: The feed inlet, which is bucket-shaped, is located at the edge of the upper end face of the enclosed grinding and pyrolysis chamber; A stirring mechanism, which is located inside the feed inlet, is used to stir the sludge.

5. The sludge treatment apparatus based on mechanical grinding and pyrolysis method according to claim 1, characterized in that, The cylinder transmission device includes: The cylinder has a cylindrical structure. The upper and lower parts of the cylinder are respectively provided with a first air inlet / outlet and a second air inlet / outlet, which are respectively connected to an air source. An opening is provided on the upper end face of the cylinder for the motor output shaft to enter. A piston is disposed inside the cylinder, the outer circumference of the piston being adapted to the inner circumference of the cylinder; the piston divides the interior of the cylinder into an upper space and a lower space; the first air inlet / outlet and the second air inlet / outlet are respectively connected to the upper space and the lower space; A piston rod is disposed at the center of the piston and extends downward, with the lower end of the piston rod extending to the outside of the cylinder and connecting to the grinding pyrolysis blade disc; a cavity is provided at the center of the piston rod; a first longitudinal keyway is provided in the middle of the cavity along the circumference; A splined shaft is disposed within the cavity; a second keyway is provided longitudinally along the circumference in the middle of the splined shaft, the second keyway being adapted to the first keyway; the upper end of the splined shaft is connected to the motor output shaft; wherein, the air source drives the piston to move the piston rod up and down by charging and discharging air through the first air inlet and outlet and the second air inlet and outlet.

6. The sludge treatment apparatus based on mechanical grinding and pyrolysis method according to claim 5, characterized in that, The grinding pyrolysis cutter disc includes: The cutter head is connected at its center to the lower end of the cylinder transmission device and the piston rod; the cutter head is provided with multiple rings of wear-resistant cutter head mounting holes arranged in a circle. Multiple wear-resistant cutting heads are respectively disposed in the cutting disc mounting holes.

7. The sludge treatment apparatus based on mechanical grinding and pyrolysis method according to claim 6, characterized in that: A temperature sensor is located at the center of the cutter head, and a wear sensor is installed on each wear-resistant cutter head.

8. The sludge treatment apparatus based on mechanical grinding and pyrolysis method according to claim 1, characterized in that: A heat insulation plate is provided on the outer wall of the enclosed grinding pyrolysis chamber.

9. The sludge treatment apparatus based on mechanical grinding and pyrolysis method according to claim 1, characterized in that: The motor mount is fixed to the top of the enclosed grinding and pyrolysis chamber by bolts at the four corners.

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