CN220159463U - Classification treatment device for oil sludge - Google Patents

Classification treatment device for oil sludge Download PDF

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Publication number
CN220159463U
CN220159463U CN202321518380.9U CN202321518380U CN220159463U CN 220159463 U CN220159463 U CN 220159463U CN 202321518380 U CN202321518380 U CN 202321518380U CN 220159463 U CN220159463 U CN 220159463U
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oil
sludge
oil sludge
solid
collecting tank
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CN202321518380.9U
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Chinese (zh)
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俞胜军
张伟
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Yixing KST Environmental Protection Machinery Co ltd
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Yixing KST Environmental Protection Machinery Co ltd
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Abstract

The utility model discloses an oil sludge grading treatment device which comprises an oil sludge mixing and collecting tank, wherein the output end of the oil sludge mixing and collecting tank is connected with lifting equipment, the output end of the lifting equipment is connected with an oil sludge preheating device, the oil sludge preheating device is connected with an oil sludge sand separating device, the oil sludge sand separating device is connected with a primary oil gathering device, the primary oil gathering device is connected with a secondary purifying device, the output end of the secondary purifying device is connected with an intermediate tank, a filtering system is arranged in the intermediate tank, one side output ends of the oil sludge sand separating device, the primary oil gathering device and the secondary purifying device are connected with a crude oil collecting tank, and the other side output ends of the oil sludge sand separating device and the secondary purifying device are connected with a sand collecting tank. According to the utility model, the soil with petroleum is subjected to solid-liquid separation and oil-water separation through multistage treatment, so that the treatment efficiency of the oil sludge is improved, the water and the oil contained in the oil sludge can be completely separated, and the oil contained in the oil sludge solid is prevented from being discharged.

Description

Classification treatment device for oil sludge
Technical Field
The utility model belongs to the technical field of oil sludge treatment, and particularly relates to an oil sludge grading treatment device.
Background
The sludge is mainly produced in oil fields and refineries, and can be classified into three types according to sources,
1. in the development of oil fields, particularly in the production of oil extraction from oil wells and in the construction of downhole operations, a portion of crude oil is blown out or carried to the surface or well site by tubing, sucker rods, pumps and other downhole tools, which penetrate into the oil sludge formed by the surface soil;
2. in the process of crude oil production and transportation, a large amount of oil-containing sludge is generated in natural sedimentation at the bottoms of various dewatering tanks, oil storage tanks, sewage tanks and the like;
3. "three-mud of oil refinery" includes bottom mud of oil separation tank, dissolved air floatation scum and residual activated sludge, etc., in which the floatation scum quantity is maximally formed, and its total quantity is 80%;
in the process of petroleum exploitation, a large amount of oil sludge is generated due to the pollution of soil by petroleum, the oil sludge has high oil content and extremely strong pungent odor, and the oil and the soil in the oil sludge must be treated, but in the prior art, the treatment efficiency of the oil sludge is low, the water and the oil contained in the oil sludge cannot be completely separated, and the oil is still contained in the oil sludge when the oil sludge is discharged, so that a sludge classification treatment device is needed for solving the problems.
Disclosure of Invention
In view of the above-mentioned problems with the background art, the present utility model has as its object: aims at providing an oil sludge grading treatment device.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the utility model provides a hierarchical processing apparatus of fatlute, includes fatlute mixing and collecting tank, the output of fatlute mixing and collecting tank is connected with lifting means, lifting means's output is connected with fatlute preheating device, fatlute preheating device is connected with fatlute sand separator, fatlute sand separator is connected with one-level oil collecting device, one-level oil collecting device is connected with second grade purifier, second grade purifier's output is connected with the intermediate tank, filtration system is installed to the intermediate tank, fatlute sand separator, one-level oil collecting device and second grade purifier's one side output is connected with crude oil collecting tank, fatlute sand separator is connected with mud sand collecting tank with second grade purifier's opposite side output.
The secondary purification device comprises a purification box, a solid-liquid separation frame, a partition plate, a baffle plate, an oil interception plate, a short baffle plate, a long baffle plate and a filter frame are sequentially arranged in the purification box from left to right, the partition plate, the oil interception plate and the long baffle plate are arranged on the upper side of the inside of the purification box, the baffle plate and the short baffle plate are arranged on the lower side of the inside of the purification box, the solid-liquid separation frame is arranged between the partition plate and the purification box, a plurality of filter holes are formed in the bottom of the solid-liquid separation frame, a filter screen is arranged in the filter holes, a feed pipe is arranged on the upper side of the solid-liquid separation frame, the feed pipe penetrates through the purification box and is connected with the output end of the primary oil gathering device, a slag discharging pipe is arranged on the lower side of the solid-liquid separation frame, and the output end of the slag discharging pipe is connected with a silt collecting pond; install the separation between baffle and the oil interception board and cut off, the inside of purifying box cuts off oil extraction district and drainage district through the separation, the oil extraction district sets up the upside at the separation, the drainage district sets up the downside at the separation, oil drain pipeline is installed to the oil extraction district, dosing tube is installed to the drainage district, the drain pipe is installed in the purifying box department that corresponds the filter frame, the output and the middle pond of drain pipe are connected.
Further limited, one side of the bottom of the solid-liquid separation frame is provided with a precipitation guide seat which is arranged in an inclined structure. The structural design is convenient for sediment, filtration and separation on one side of the sediment pipe by flowing mud and sand, and is convenient for subsequent sediment discharging work.
Further limited, the filter frame is provided with a mounting groove, and an oil-water separation blocking film is arranged in the mounting groove. The oil-water separation blocking membrane is used for further screening and blocking oil water, so that the oil water is prevented from flowing out.
Further limited, install hoisting device in the silt particle collecting pond, hoisting device's output is connected with the silt particle hydroextractor, the output of silt particle hydroextractor is connected with the silt particle drying-machine. The structure design is convenient for drying the separated silt and is convenient for subsequent use.
Further limited, the sludge mixing and collecting tank and the sludge preheating device are connected with a tap water pipe. The structural design is convenient for carrying out mixed pretreatment on the oil sludge and is convenient for subsequent grading treatment.
The beneficial effects of the utility model are as follows: according to the utility model, the soil with petroleum is subjected to solid-liquid separation and oil-water separation through multistage treatment, so that the treatment efficiency of the oil sludge is improved, the water and the oil contained in the oil sludge can be completely separated, and the oil contained in the oil sludge solid is prevented from being discharged.
Drawings
The utility model can be further illustrated by means of non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic diagram of a device for classifying sludge according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of a secondary purifying device of an oil sludge classification treatment device according to an embodiment of the utility model;
the main reference numerals are as follows:
the system comprises a sludge mixing and collecting tank 1, lifting equipment 2, a sludge preheating device 3, a sludge sand separating device 4, a primary oil collecting device 5, a secondary purifying device 6, an intermediate tank 7, a filtering system 8, a crude oil collecting tank 9, a sludge sand collecting tank 10, a purifying tank 11, a solid-liquid separating frame 12, a partition 13, a baffle 14, an oil intercepting plate 15, a short baffle 16, a long baffle 17, a filtering frame 18, a filtering hole 19, a filtering net 20, a feeding pipe 21, a slag discharging pipe 22, a separating partition 23, an oil discharging area 24, a water discharging area 25, an oil discharging pipeline 26, a dosing pipe 27, a water discharging pipe 28, a precipitation guide seat 29, an oil water separating blocking membrane 30, a lifting device 31, a sludge sand dehydrator 32, a sludge sand dryer 33 and a running water pipe 34.
Detailed Description
In order that those skilled in the art will better understand the present utility model, the following technical scheme of the present utility model will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1-2, the output end of an oil sludge grading treatment device of the utility model is connected with lifting equipment 2, the output end of the lifting equipment 2 is connected with an oil sludge preheating device 3, the oil sludge preheating device 3 is connected with an oil sludge sand separating device 4, the oil sludge sand separating device 4 is connected with a primary oil collecting device 5, the primary oil collecting device 5 is connected with a secondary purifying device 6, the output end of the secondary purifying device 6 is connected with a middle tank 7, the middle tank 7 is provided with a filtering system 8, one side output ends of the oil sludge sand separating device 4, the primary oil collecting device 5 and the secondary purifying device 6 are connected with a crude oil collecting tank 9, and the other side output ends of the oil sludge sand separating device 4 and the secondary purifying device 6 are connected with a sand collecting tank 10.
The secondary purification device 6 comprises a purification box 11, a solid-liquid separation frame 12, a partition plate 13, a baffle plate 14, an oil interception plate 15, a short baffle plate 16, a long baffle plate 17 and a filter frame 18 are sequentially arranged in the purification box 11 from left to right, the partition plate 13, the oil interception plate 15 and the long baffle plate 17 are arranged on the upper side of the inside of the purification box 11, the baffle plate 14 and the short baffle plate 16 are arranged on the lower side of the inside of the purification box 11, the solid-liquid separation frame 12 is arranged between the partition plate 13 and the purification box 11, a plurality of filter holes 19 are formed in the bottom of the solid-liquid separation frame 12, a filter screen 20 is arranged in the filter holes 19, a feed pipe 21 is arranged on the upper side of the solid-liquid separation frame 12, the feed pipe 21 penetrates through the purification box 11 and is connected with the output end of the primary oil gathering device 5, a slag discharge pipe 22 is arranged on the lower side of the solid-liquid separation frame 12, and the output end of the slag discharge pipe 22 is connected with a silt collection pool 10; a separation partition 23 is arranged between the baffle 14 and the oil interception plate 15, an oil discharge area 24 and a drainage area 25 are formed in the purifying box 11 through the separation partition 23, the oil discharge area 24 is arranged on the upper side of the separation partition 23, the drainage area 25 is arranged on the lower side of the separation partition 23, an oil discharge pipeline 26 is arranged in the oil discharge area 24, a dosing pipe 27 is arranged in the drainage area 25, a drain pipe 28 is arranged at the position corresponding to the filtering frame 18 of the purifying box 11, and the output end of the drain pipe 28 is connected with the middle tank 7.
In this embodiment, when in use, the soil polluted by petroleum is conveyed into the sludge mixing and collecting tank 1, the soil in the sludge mixing and collecting tank 1 is conveyed into the sludge preheating device 3 for pretreatment through the lifting device 2, then the soil enters the sludge and sand separating device 4 for oil and sludge separation, crude oil enters the crude oil collecting tank 9 for storage after oil and sludge separation, the oil and water enters the primary oil gathering device 5 for continuous oil gathering treatment, the crude oil enters the secondary purifying device 6 for final oil-water separation treatment after the oil gathering treatment, the crude oil produced after the treatment of the primary oil gathering device 5 and the secondary purifying device 6 enters the crude oil collecting tank 9, water flows into the intermediate tank 7 and is discharged after the filtration of the filtration system 8, and the silt sand obtained by the classification treatment of the sludge and sand separating device 4 and the secondary purifying device 6 enters the silt collecting tank 10, and is conveyed into the silt dehydrator 32 for dehydration under the action of the lifting device 31, finally the silt dehydrator 33 for final drying, and the subsequent silt and sand waiting for use is completed.
After the oil sludge mixing and collecting tank 1 and the oil sludge preheating device 3 receive the soil polluted by the oil, tap water is added through a tap water pipe 34 for mixing and pretreatment, and filtrate finally produced by the silt collecting tank 10 and the silt dehydrator 32 is also conveyed into the oil sludge mixing and collecting tank 1 for secondary treatment.
When the primary oil collecting device 5 inputs the primarily treated oil-water into the secondary purifying device 6, the oil-water enters the solid-liquid separation frame 12 from the feed pipe 21, the solid and the liquid in the oil-water are separated again through the solid-liquid separation frame 12, the solid is precipitated in the solid-liquid separation frame 12, the slag discharging pipe 22 is waited to be opened and discharged into the silt collecting tank 10, the oil-water flows out from the filtering holes 19 through the filtering screen 20 and flows into the oil discharging area 24, the oil-water is separated by the separation partition 23 in the oil discharging area 24, the oil-water is separated again, the oil flows out from the oil discharging pipe 26 into the crude oil collecting tank 9, the water enters the water discharging area 25 through the separation partition 23, the water in the water discharging area 25 is purified by adding the medicament into the medicament adding pipe 27, finally the water is discharged into the intermediate tank 7 through the filtering frame 18, and the oil in the intermediate tank 7 is further blocked under the effect of the oil-water separation blocking film 30 when the water passes through the filtering frame 18.
The precipitation guide 29 is preferably installed on the bottom side of the solid-liquid separation frame 12 in an inclined structure. The structural design is convenient for sediment, filtration and separation on one side of the sediment pipe 22 by mud and sand flowing, and is convenient for subsequent sediment discharging work. In practice, other shapes of the precipitation structure of the solid-liquid separation frame 12 may be considered as appropriate.
Preferably, the filter frame 18 is provided with a mounting groove, and the oil-water separation blocking film 30 is mounted in the mounting groove. The oil-water separation blocking membrane 30 is used for further screening and blocking oil water, so that the oil water is prevented from flowing out. In practice, other shapes of the oil-water blocking structure of the filter frame 18 may be considered as the case may be.
Preferably, a lifting device 31 is arranged in the silt collecting tank 10, the output end of the lifting device 31 is connected with a silt dehydrator 32, and the output end of the silt dehydrator 32 is connected with a silt dryer 33. The structure design is convenient for drying the separated silt and is convenient for subsequent use. In practice, other shapes of the drying process structure may be considered as appropriate.
Preferably, the sludge mixing and collecting tank 1 and the sludge preheating device 3 are connected with a tap water pipe 34. The structural design is convenient for carrying out mixed pretreatment on the oil sludge and is convenient for subsequent grading treatment. In practice, other shapes of the mixing pretreatment structure of the sludge mixing and collecting tank 1 and the sludge preheating device 3 can be considered according to the specific circumstances.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims of this utility model, which are within the skill of those skilled in the art, can be made without departing from the spirit and scope of the utility model disclosed herein.

Claims (5)

1. The utility model provides a hierarchical processing apparatus of fatlute, includes fatlute mixing and collecting tank (1), the output of fatlute mixing and collecting tank (1) is connected with lifting means (2), the output of lifting means (2) is connected with fatlute preheating device (3), its characterized in that: the oil sludge preheating device (3) is connected with the oil sludge sand separation device (4), the oil sludge sand separation device (4) is connected with the first-stage oil gathering device (5), the first-stage oil gathering device (5) is connected with the second-stage purification device (6), the output end of the second-stage purification device (6) is connected with the middle tank (7), the middle tank (7) is provided with the filtration system (8), one side output end of the oil sludge sand separation device (4), the first-stage oil gathering device (5) and the second-stage purification device (6) is connected with the crude oil collecting tank (9), and the other side output ends of the oil sludge sand separation device (4) and the second-stage purification device (6) are connected with the mud sand collecting tank (10);
the secondary purification device (6) comprises a purification box (11), a solid-liquid separation frame (12), a partition plate (13), a baffle plate (14), an oil interception plate (15), a short baffle plate (16), a long baffle plate (17) and a filter frame (18) are sequentially arranged in the purification box (11) from left to right, the partition plate (13), the oil interception plate (15) and the long baffle plate (17) are arranged on the upper side of the inside of the purification box (11), the baffle plate (14) and the short baffle plate (16) are arranged on the lower side of the inside of the purification box (11), the solid-liquid separation frame (12) is arranged between the partition plate (13) and the purification box (11), a plurality of filter holes (19) are formed in the bottom of the solid-liquid separation frame (12), a filter screen (20) is arranged in the filter holes (19), a feed pipe (21) is arranged on the upper side of the solid-liquid separation frame (12), the feed pipe (21) penetrates through the purification box (11) and is connected with the output end of the primary oil gathering device (5), a sludge discharge pipe (22) is arranged on the lower side of the solid-liquid separation frame (12), and a sludge discharge pipe (10) is connected with the output pond (10); install separation wall (23) between baffle (14) and the oil interception board (15), the inside of purifying box (11) forms oil extraction district (24) and drainage district (25) through separation wall (23), oil extraction district (24) set up the upside at separation wall (23), drainage district (25) set up the downside at separation wall (23), oil drain pipeline (26) are installed in oil extraction district (24), dosing tube (27) are installed in drainage district (25), drain pipe (28) are installed in purifying box (11) department at corresponding filter frame (18), the output of drain pipe (28) is connected with intermediate tank (7).
2. The sludge classification apparatus according to claim 1, wherein: one side of the bottom of the solid-liquid separation frame (12) is provided with a precipitation guide seat (29) which is arranged in an inclined structure.
3. The sludge classification processing apparatus according to claim 2, wherein: the filter frame (18) is provided with an installation groove, and an oil-water separation blocking film (30) is installed in the installation groove.
4. A sludge classification apparatus as claimed in claim 3, wherein: install hoisting device (31) in silt particle collecting pond (10), the output of hoisting device (31) is connected with silt particle hydroextractor (32), the output of silt particle hydroextractor (32) is connected with silt particle drying-machine (33).
5. The sludge classification apparatus as claimed in claim 4, wherein: the sludge mixing and collecting tank (1) and the sludge preheating device (3) are connected with a tap water pipe (34).
CN202321518380.9U 2023-06-14 2023-06-14 Classification treatment device for oil sludge Active CN220159463U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321518380.9U CN220159463U (en) 2023-06-14 2023-06-14 Classification treatment device for oil sludge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321518380.9U CN220159463U (en) 2023-06-14 2023-06-14 Classification treatment device for oil sludge

Publications (1)

Publication Number Publication Date
CN220159463U true CN220159463U (en) 2023-12-12

Family

ID=89052273

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321518380.9U Active CN220159463U (en) 2023-06-14 2023-06-14 Classification treatment device for oil sludge

Country Status (1)

Country Link
CN (1) CN220159463U (en)

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