CN111777313A - Skid-mounted oily sludge treatment equipment - Google Patents

Skid-mounted oily sludge treatment equipment Download PDF

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Publication number
CN111777313A
CN111777313A CN202010728888.6A CN202010728888A CN111777313A CN 111777313 A CN111777313 A CN 111777313A CN 202010728888 A CN202010728888 A CN 202010728888A CN 111777313 A CN111777313 A CN 111777313A
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CN
China
Prior art keywords
oil
area
side wall
sludge
box body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010728888.6A
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Chinese (zh)
Inventor
谈伟强
潘国强
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Jiangsu Chuangxin Environment Engineering Co ltd
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Jiangsu Chuangxin Environment Engineering Co ltd
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Publication date
Application filed by Jiangsu Chuangxin Environment Engineering Co ltd filed Critical Jiangsu Chuangxin Environment Engineering Co ltd
Priority to CN202010728888.6A priority Critical patent/CN111777313A/en
Publication of CN111777313A publication Critical patent/CN111777313A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/40Devices for separating or removing fatty or oily substances or similar floating material
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/122Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/32Hydrocarbons, e.g. oil

Abstract

The invention discloses skid-mounted oily sludge treatment equipment which comprises a box body and a control cabinet arranged on the outer side wall of the box body, wherein the box body is provided with a plurality of through holes; the box body is internally divided into a stirring area at the left side, an oil-water separation area at the upper part of the right side and a sludge dewatering area at the lower part of the right side; a mud inlet pipe is arranged at the lower part of the side wall of the stirring area, a stirring device is arranged in the stirring area, a medicine feeding port is arranged at the top of the stirring area, an oil separating groove is arranged at the upper part of the inner side wall of the stirring area, and a communication port is arranged between the oil separating groove and the oil-water separation area; an oil-water separator is arranged in the oil-water separation zone, an oil storage zone and a water storage zone are respectively arranged in the oil-water separation zone from top to bottom, an oil outlet is formed in the side wall of the oil storage zone, and a water outlet is formed in the side wall of the water storage zone; the mud guide pipe is arranged between the middle upper part of the side wall of the stirring area and the sludge dewatering area, the device has scientific structural design and small occupied area, and is suitable for field operation and emergency treatment of sudden pollution events.

Description

Skid-mounted oily sludge treatment equipment
Technical Field
The invention relates to the field of oily sludge treatment, in particular to skid-mounted oily sludge treatment equipment.
Background
The annual output of oily sludge in China exceeds more than 800 ten thousand tons, and the annual increase trend is presented. The oily sludge mainly comes from the processes of crude oil extraction, crude oil refining, oil field gathering and transportation and the like, is mostly in a stable suspension emulsion state, contains toxic and harmful substances such as halogenated hydrocarbon, benzene series, phenols, anthracene, pyrene, heavy metal and the like and a large number of pathogenic bacteria, is one of main pollutants in the petrochemical industry, and is listed as hazardous waste in the national hazardous waste records HW 08. The technical standards and specifications published in China indicate that residual oil, waste oil, oil-based mud, oily garbage, tank cleaning oil sludge and the like generated by crude oil and natural gas exploitation are all recovered, oily sludge and oily sediment with the oil content of more than 5 percent are recycled, and the oil content of the oily sediment after oil-sand separation is less than 2 percent.
The oily sludge treatment methods commonly used at home and abroad mainly comprise incineration, thermal desorption, extraction, chemical heat washing, biological treatment, landfill and the like, and researchers develop reduction and resource complete equipment such as an oily sludge pyrolysis device, an incineration device, a filter pressing device and the like based on the treatment methods, for example, Chinese patent CN110425547A discloses complete equipment for oily sludge treatment, which can realize reduction and harmlessness of oily sludge, but the treatment cost of the device is high;
chinese patent CN210237429U provides a sludge dewatering device for sewage treatment, which is composed of a four-stage cylinder and a dewatering filter bag, is only suitable for municipal sludge dewatering and has poor dewatering effect on oily sludge;
chinese patent CN209081694U discloses an oily sludge treatment skid-mounted device, which comprises a base, a sludge blending machine, a screw conveyor, a feeding hopper, a one-to-four-stage pyrolysis reactor and the like, and has the defects of complex structure, high energy consumption and the like.
The environmental pollution problem caused by the oily sludge has attracted wide attention at home and abroad, but the oil sludge treatment technology and the device have the defects of poor demulsification effect, high treatment cost, low treatment efficiency, inconvenient transportation and the like.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide skid-mounted oily sludge treatment equipment which is scientific in structural design, small in occupied area and suitable for field operation and emergency treatment of sudden pollution events.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a skid-mounted oily sludge treatment device comprises a box body and a control cabinet arranged on the outer side wall of the box body; the box body is internally divided into a stirring area at the left side, an oil-water separation area at the upper part of the right side and a sludge dewatering area at the lower part of the right side; a mud inlet pipe is arranged at the lower part of the side wall of the stirring area, a stirring device is arranged in the stirring area, a medicine feeding port is arranged at the top of the stirring area, an oil separating groove is arranged at the upper part of the inner side wall of the stirring area, and a communication port is arranged between the oil separating groove and the oil-water separation area; an oil-water separator is arranged in the oil-water separation zone, an oil storage zone and a water storage zone are respectively arranged in the oil-water separation zone from top to bottom, an oil outlet is formed in the side wall of the oil storage zone, and a water outlet is formed in the side wall of the water storage zone; and a sludge guide pipe is arranged between the middle upper part of the side wall of the stirring area and the sludge dewatering area.
Preferably, a filter screen is arranged in the communication port; the bottom of the communicating opening is flush with the bottom of the oil separating groove.
Preferably, the filter screen is a ceramic flat membrane element or a flat membrane element made of a corrosion-resistant metal material; the aperture of the filter screen is 1-3 mu m.
Preferably, a baffle is arranged in the sludge dewatering area, and the baffle divides the sludge dewatering area into an upper filter-pressing area and a lower sludge storage area; a filter press is arranged in the filter pressing area, and the mud guide pipe is connected with an inlet of the filter press; one side of the baffle close to the stirring area is provided with a drainage groove, the other side of the baffle is provided with a sludge discharge port, and the sludge discharge port is communicated with the sludge storage area; and a sludge outlet is formed in the bottom of the side wall of the sludge storage area.
Preferably, the filter press is a plate and frame filter press.
Preferably, the box body is made of stainless steel, the length of the box body is not more than 12m, and the length-width-height ratio is 3-10: 2: 3, most preferably the aspect ratio is 6: 2: 3; the lower ends of the left side wall and the right side wall of the box body are also provided with lifting lugs.
Preferably, a dosing pump is arranged at the dosing port and connected with the control cabinet.
The invention has the beneficial effects that:
firstly, the method comprises the following steps: the equipment is of a skid-mounted box structure and has the advantages of simple process, compact structure, convenience in transportation, small occupied area, strong mobility, convenience in operation and maintenance and the like;
secondly, the method comprises the following steps: the equipment organically combines physical filter pressing and chemical demulsification treatment technologies, effectively improves the dehydration effect of oil sludge, and can recycle the treated oil sludge;
thirdly, the method comprises the following steps: the equipment is used for carrying out centralized or decentralized treatment on the oily sludge, the lifting lugs are arranged for facilitating lifting, the equipment is suitable for field operation and emergency treatment of sudden pollution events, the treated sludge reaches the oil field oily sludge comprehensive utilization pollution control standard, the treated sludge can be used for paving, making bricks and the like, and the problem of environmental pollution caused by the oil field oily sludge can be effectively solved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: 10 is a box body, 11 is a stirring area, 11.1 is a mud inlet pipe, 11.2 is a stirring device, 11.3 is a dosing port, 11.4 is an oil separation groove, 11.5 is a communication port, 11.6 is a mud guide pipe, 12 is an oil-water separation area, 12.1 is an oil storage area, 12.1.1 is an oil outlet, 12.2 is a water storage area, 12.2.1 is a water outlet, 13 is a sludge dewatering area, 13.1 is a filter pressing area, 13.2 is a mud storage area, 14 is a lifting lug, 20 is a control cabinet, 30 is a filter screen, 40 is a baffle, 40.1 is a water drainage groove, 40.2 is a mud discharge port, 50 is a filter press and 60 is a dosing pump.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
A skid-mounted oily sludge treatment device comprises a box body 10 and a control cabinet 20 arranged on the outer side wall of the box body 10; the inside of the box body 10 is divided into a stirring area 11 at the left side, an oil-water separation area 12 at the upper part of the right side and a sludge dewatering area 13 at the lower part of the right side; a mud inlet pipe 11.1 is arranged at the lower part of the side wall of the stirring area 11, a stirring device 11.2 is arranged in the stirring area 11, a dosing port 11.3 is arranged at the top of the stirring area 11, an oil separating groove 11.4 is arranged at the upper part of the inner side wall of the stirring area 11, and a communication port 11.5 is arranged between the oil separating groove 11.4 and the oil-water separation area 12; an oil-water separator (not shown in the figure) is arranged in the oil-water separation region 12, an oil storage region 12.1 and a water storage region 12.2 are respectively arranged in the oil-water separation region 12 from top to bottom, an oil outlet 12.1.1 is arranged on the side wall of the oil storage region 12.1, and a water outlet 12.2.1 is arranged on the side wall of the water storage region 12.2; a sludge guide pipe 11.6 is arranged between the middle upper part of the side wall of the stirring area 11 and the sludge dewatering area 13; the stirring device 11.2 and the oil-water separator are prior art and will not be described herein.
Preferably, a filter screen 30 is arranged in the communication port 11.5; the bottom of the communication port 11.5 is flush with the bottom of the oil separation groove 11.4.
Preferably, the filter screen 30 is a ceramic flat membrane element or a flat membrane element made of a corrosion-resistant metal material; the aperture of the filter screen 30 is 1-3 μm.
Preferably, a baffle 40 is arranged in the sludge dewatering zone 13, and the baffle 40 divides the sludge dewatering zone 13 into an upper filter pressing zone 13.1 and a lower sludge storage zone 13.2; a filter press 50 is arranged in the filter pressing area 13.1, and the mud guide pipe 11.6 is connected with an inlet (not shown in the figure) of the filter press 50; a drainage groove 40.1 is formed in one side, close to the stirring area 11, of the baffle 40, a sludge discharge port 40.2 is formed in the other side of the baffle 40, and the sludge discharge port 40.2 is communicated with a sludge storage area 13.2; a sludge outlet (not shown in the figure) is arranged at the bottom of the side wall of the sludge storage area 13.2.
Preferably, the filter press 50 is a plate and frame filter press, and most preferably a plate and frame filter press with a bottom scraper, which is prior art and will not be described herein.
Preferably, the box body 10 is made of stainless steel, the length is not more than 12m, and the length-width-height ratio is 3-10: 2: 3, most preferably the aspect ratio is 6: 2: 3; lifting lugs 14 are further arranged at the lower ends of the left side wall and the right side wall of the box body 10.
Preferably, a dosing pump 60 is arranged at the dosing port 11.3, the dosing pump 60 is connected with the control cabinet 20, and the control cabinet 20 is prior art and can be directly purchased from the market, and details are not repeated here.
The electromagnetic valves can be arranged on the mud inlet pipe 11.1, the oil outlet 12.1.1 and the water outlet 12.2.1 of the device, and are connected with the control cabinet 20 to realize automatic control, which is the prior art and is not described herein again.
The working principle of the device is as follows:
oily sludge enters a stirring area 11 from a sludge inlet pipe 11.1, a stirring device 11 is opened, a medicament is added through a medicament adding pump 60 to realize chemical demulsification, an oil-water mixing layer at the upper part after demulsification enters an oil-water separation area 12, oil-water separation is realized under the action of an oil-water separator, waste oil at the upper layer is discharged from an oil outlet 12.1.1 at the side wall of the oil storage area 12.1 and can be directly connected with a subsequent sewage purifier; the wastewater in the lower layer is discharged from a water outlet 12.2.1 on the side wall of the water storage area 12.2 and can be directly connected with a subsequent sewage processor; sludge in the stirring area 11 enters the filter press 50 from the sludge guide pipe 11.6 for filter pressing, filter pressing liquid is discharged from the drainage groove 40.1, and the sludge after filter pressing enters the sludge storage area 13.2 from the sludge discharge port 40.2.
The described embodiments are only some embodiments of the invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims (7)

1. A skid-mounted oily sludge treatment device comprises a box body (10) and a control cabinet (20) arranged on the outer side wall of the box body (10); the method is characterized in that: the box body (10) is internally divided into a stirring area (11) at the left side, an oil-water separation area (12) at the upper part of the right side and a sludge dewatering area (13) at the lower part of the right side; a mud inlet pipe (11.1) is arranged at the lower part of the side wall of the stirring area (11), a stirring device (11.2) is arranged in the stirring area (11), a medicine adding port (11.3) is arranged at the top of the stirring area (11), an oil separating groove (11.4) is arranged at the upper part of the inner side wall of the stirring area (11), and a communicating port (11.5) is arranged between the oil separating groove (11.4) and the oil-water separating area (12); an oil-water separator is arranged in the oil-water separation region (12), an oil storage region (12.1) and a water storage region (12.2) are respectively arranged in the oil-water separation region (12) from top to bottom, an oil outlet (12.1.1) is arranged on the side wall of the oil storage region (12.1), and a water outlet (12.2.1) is arranged on the side wall of the water storage region (12.2); and a mud guide pipe (11.6) is arranged between the middle upper part of the side wall of the stirring area (11) and the sludge dewatering area (13).
2. The skid-mounted oily sludge treatment equipment according to claim 1, which is characterized in that: a filter screen (30) is arranged in the communication port (11.5); the bottom of the communicating port (11.5) is flush with the bottom of the oil separating groove (11.4).
3. The skid-mounted oily sludge treatment equipment according to claim 2, which is characterized in that: the filter screen (30) is a ceramic flat membrane element or a flat membrane element made of corrosion-resistant metal material; the aperture of the filter screen (30) is 1-3 mu m.
4. The skid-mounted oily sludge treatment equipment according to claim 1, which is characterized in that: a baffle (40) is arranged in the sludge dewatering area (13), and the baffle (40) divides the sludge dewatering area (13) into an upper filter-pressing area (13.1) and a lower sludge storage area (13.2); a filter press (50) is arranged in the filter pressing area (13.1), and the mud guide pipe (11.6) is connected with an inlet of the filter press (50); a drainage groove (40.1) is formed in one side, close to the stirring area (11), of the baffle (40), a sludge discharge port (40.2) is formed in the other side of the baffle (40), and the sludge discharge port (40.2) is communicated with a sludge storage area (13.2); and a sludge outlet is formed in the bottom of the side wall of the sludge storage area (13.2).
5. The skid-mounted oily sludge treatment equipment according to claim 1, which is characterized in that: the filter press (50) is a plate and frame filter press.
6. The skid-mounted oily sludge treatment equipment according to claim 1, which is characterized in that: the box body (10) is made of stainless steel, the length of the box body is no more than 12m, and the length-width-height ratio is 3-10: 2: 3; lifting lugs (14) are further arranged at the lower ends of the left side wall and the right side wall of the box body (10).
7. The skid-mounted oily sludge treatment equipment according to claim 1, which is characterized in that: the dosing port (11.3) is provided with a dosing pump (60), and the dosing pump (60) is connected with the control cabinet (20).
CN202010728888.6A 2020-07-27 2020-07-27 Skid-mounted oily sludge treatment equipment Pending CN111777313A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010728888.6A CN111777313A (en) 2020-07-27 2020-07-27 Skid-mounted oily sludge treatment equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010728888.6A CN111777313A (en) 2020-07-27 2020-07-27 Skid-mounted oily sludge treatment equipment

Publications (1)

Publication Number Publication Date
CN111777313A true CN111777313A (en) 2020-10-16

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ID=72764124

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010728888.6A Pending CN111777313A (en) 2020-07-27 2020-07-27 Skid-mounted oily sludge treatment equipment

Country Status (1)

Country Link
CN (1) CN111777313A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112845538A (en) * 2021-02-03 2021-05-28 深圳市中兰环能有限公司 Household kitchen garbage treatment device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112845538A (en) * 2021-02-03 2021-05-28 深圳市中兰环能有限公司 Household kitchen garbage treatment device

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