CN106830590B - Dirty oil sludge treatment facility - Google Patents
Dirty oil sludge treatment facility Download PDFInfo
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- CN106830590B CN106830590B CN201710078702.5A CN201710078702A CN106830590B CN 106830590 B CN106830590 B CN 106830590B CN 201710078702 A CN201710078702 A CN 201710078702A CN 106830590 B CN106830590 B CN 106830590B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/127—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering by centrifugation
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1003—Waste materials
Abstract
A dirty oil sludge treatment device relates to oil-containing sludge treatment and comprises a pretreatment device, a storage tank device, an oil separation device and a sludge separation and drying device which are connected in sequence; the pretreatment device comprises a feeding device, a cleaning device and a receiving device; the storage tank device comprises a first curing tank and a second curing tank which are arranged in sequence; the oil separation device comprises an oil separation bottom pry, an oil separation horizontal spiral centrifugal machine, an oil groove and a mud-water mixing groove; the mud separating and drying device comprises a mud separating bottom pry, a mud drying machine and a mud drying groove. According to the scheme, the dirty oil sludge treatment equipment is provided, multi-step separation is carried out by utilizing different properties of oil, water and sludge, the broad-spectrum applicability is realized on oil fields, refineries and various kinds of oily sludge, and clean production and dirty oil sludge reduction production can be realized; the device has high dehydration and oil removal efficiency and short treatment time, can treat materials without or with little chemical agent, and can realize the purposes of high efficiency, low cost, no secondary pollution, energy conservation and environmental protection.
Description
Technical Field
The invention relates to oily sludge treatment, in particular to dirty oil sludge treatment equipment.
Background
The oil field oily sludge is mainly from the oily sludge generated in the processes of crude oil exploitation, gathering and transportation. The oil-containing sludge contains not only crude oil but also stratum silt carried in produced liquid, oil-containing scum formed in the sewage treatment process of an oil field sewage treatment station, corrosion products of pipelines and storage tanks, colloid, asphaltene and certain water.
The oily sludge generated in the crude oil extraction process is mainly from a ground treatment system of produced liquid, and the oily sludge generated in the oil extraction sewage treatment process and flocs formed by water purifying agents added in the sewage purification treatment process form the oily sludge of an oil field.
When the oil-containing sludge generated in the oil field gathering and transportation process is mainly from oil tanks, settling tanks, sewage tanks, bottom mud of oil separation tanks and oil product storage tanks of transfer stations and combination stations, a small amount of mechanical impurities, sand grains, soil, heavy metal salts, paraffin, colloid, asphaltene and other heavy components in the oil products are deposited at the bottom of the oil tanks to form tank bottom oil sludge. In addition, the primary settling tank, the secondary settling tank and the acidizing and fracturing operation can also generate oily sludge.
The oil-containing sludge has different compositions through analysis, and generally has the oil content of 10-60%, the solid matters such as silt and the like of 10-60% and the water content of 15-60%. Under the conditions that petroleum resources are increasingly tense and environmental pollution is increasingly severe, crude oil in the oil sludge is effectively recovered and harmless treatment residues are effectively recovered, so that precious petroleum resources can be saved, the environmental pollution is eliminated, and meanwhile, economic and social benefits can be generated.
At present, common methods for treating oily sludge at home and abroad comprise a burning method, a biological treatment method, a solvent extraction method, a chemical demulsification method and the like, the methods have the defects of high energy consumption, secondary pollution, long-time treatment, complex process, low crude oil recovery rate and the like, and a set of universal treatment equipment does not exist at present for treating different types of oily sludge.
Disclosure of Invention
The invention aims to provide sewage sludge treatment equipment which can efficiently dehydrate and deoil various kinds of oily sludge in an oil field.
The above object of the present invention is achieved by the following technical solutions: a dirty oil sludge treatment device comprises a storage tank device, an oil separation device and a sludge separation and drying device which are connected in sequence;
the storage tank device comprises a first curing tank and a second curing tank which are arranged in sequence, and one-way valves are arranged below the first curing tank and the second curing tank;
the oil separation device comprises an oil separation bottom pry, an oil separation horizontal spiral centrifugal machine, an oil groove and a mud-water mixing groove, the oil separation horizontal spiral centrifugal machine is arranged above the oil separation bottom pry, the check valve is communicated with a feed inlet of the oil separation horizontal spiral centrifugal machine, the oil separation horizontal spiral centrifugal machine comprises an oil outlet and a mud-water outlet, and the oil groove and the mud-water mixing groove are arranged in the oil separation bottom pry and are respectively positioned below the oil outlet and the mud-water outlet;
the mud separating and drying device comprises a mud separating bottom pry, a mud drying machine and a dry soil groove, wherein the dry soil groove is arranged in the mud separating bottom pry, the mud-water mixing groove is communicated with a feed inlet of the mud drying machine, and a discharge outlet of the mud drying machine is communicated with the dry soil groove;
and the first curing tank and the second curing tank are respectively internally provided with a curing stirrer, and a mud-water mixing stirrer is arranged in the mud-water mixing tank.
By adopting the technical scheme, the curing tank removes certain low-boiling-point impurities in the oily sludge, and simultaneously combines other impurities so as to be completely subjected to the next treatment step; the oil-separating horizontal spiral centrifugal machine separates oil and sludge of the oil-containing sludge, the oil is used for other purposes, and the sludge-water mixture enters the next treatment step; and drying the mud with water by using a mud drier to obtain dry mud. The purpose of separating three substances of water, oil and sludge from the oily sludge is achieved through a whole set of treatment equipment, and the equipment is simple, good in treatment effect, high in treatment efficiency and low in energy consumption.
Preferably, the mud separating and drying device further comprises a mud-water separating horizontal spiral centrifugal machine and a water tank, the mud-water separating horizontal spiral centrifugal machine is arranged above the mud separating bottom pry and comprises a water outlet and a mud outlet, the water tank is arranged in the mud separating bottom pry and is positioned below the water outlet, and the mud outlet is connected with a feed inlet of the mud drying machine;
a water stirrer is arranged in the water tank.
Through adopting above-mentioned technical scheme, mud-water separation horizontal spiral centrifuge is add to mud separation mummification device, carries out mud-water separation once earlier before mud-water gets into the mud mummification machine, improves dewatering efficiency and, obtains the mud that the mummification effect is better.
Preferably, the mud outlet is connected with a spiral conveyor, a discharge port of the spiral conveyor is connected with a mud conveyor belt, and the mud conveyor belt is connected with a feed port of the slurry drier.
Through adopting above-mentioned technical scheme, mud after preliminary dewatering utilizes screw feeder and mud conveyer belt to carry the pan feeding mouth of mud mummification machine, improves mud transport efficiency.
Preferably, the mud separating and drying device further comprises a mud separating container, the mud separating container is detachably arranged above the mud separating bottom pry and is provided with a box door, and the mud drying machine and the mud-water separating horizontal spiral centrifugal machine are arranged in the mud separating container.
Through adopting above-mentioned technical scheme, sled top sets up the mud separation container at the bottom of the mud separation, plays the effect of protection internal plant, avoids environmental factor to influence oily sludge treatment process simultaneously.
Preferably, the oil separation device further comprises an oil separation container, the oil separation container is detachably arranged above the oil separation bottom pry and is provided with a box door, and the oil separation horizontal spiral centrifugal machine is arranged in the oil separation container.
Through adopting above-mentioned technical scheme, oil separation sled top sets up the oil separation container at the bottom of the oil separation, plays the effect of protection internal plant, avoids environmental factor to influence oily sludge treatment process simultaneously.
Preferably, a pretreatment device is arranged in front of the storage tank device, and comprises a feeding device, a cleaning device and a receiving device;
the cleaning device comprises a dry sludge pretreatment pry and a feed hopper, a partition plate is arranged in the dry sludge pretreatment pry, a sludge conveying belt is arranged at the top of the partition plate, the feed hopper is arranged above the dry sludge pretreatment pry and is positioned at the starting end of the sludge conveying belt, an aeration device is arranged between the sludge conveying belt and the partition plate, the length of the aeration device is smaller than that of the dry sludge pretreatment pry, oil discharge pipes are respectively arranged on two sides of the sludge conveying belt, the bottom of each oil discharge pipe extends into the lower part of the partition plate, and the top of each oil discharge pipe is higher than the partition plate;
the feeding device is arranged above the feeding hopper, and the receiving device is arranged below the sludge conveying belt;
a baffle is arranged between the oil discharge pipe and the front end of the aeration device, and the baffle is arranged above the sludge conveying belt in a high altitude mode;
a pretreatment stirrer is arranged below the clapboard.
Through adopting above-mentioned technical scheme, storage tank device the place ahead sets up preceding processing apparatus, is applicable to the oily sludge that water content is low, through aeration equipment, oil extraction pipe isotructure, washes oily sludge to with oil and mud separation, the profit gets into the subsequent processing step.
Preferably, two groups of horizontal knife rollers are arranged at an outlet of the feed hopper, a gap is reserved between the two groups of knife rollers, the rotating directions of the knife rollers are opposite, and a plurality of cutter discs are uniformly arranged on the knife rollers.
By adopting the technical scheme, the knife rolls are arranged at the outlet of the feed hopper, and the two groups of knife rolls rotate to separate fiber substances in the sludge, such as woven belts, so that the treatment equipment is prevented from being blocked or damaged by bulky solid impurities.
Preferably, the top of dry mud pretreatment sled is located the feeder hopper below and is equipped with a plurality of first high pressure nozzle, and dry mud pretreatment sled top is located and is equipped with a plurality of second high pressure nozzle between the terminal of mud conveyer belt and the oil extraction pipe.
By adopting the technical scheme, the first high-pressure nozzle is arranged below the feed hopper, and is used for spraying and washing dry mud to separate oil in the mud; the second high-pressure nozzle can carry out the last flushing before the mud treatment is finished, thereby further improving the treatment effect.
Preferably, be located aeration equipment top in the dry mud pretreatment sled and be equipped with ultrasonic transducer, ultrasonic transducer is between oil extraction pipe and feeder hopper.
Through adopting above-mentioned technical scheme, ultrasonic transducer utilizes the ultrasonic wave further to wash mud, improves the cleaning performance, makes oil and mud separation more complete.
Preferably, the storage tank device further comprises a hot water tank, the hot water tank is connected with a centrifugal pump, the centrifugal pump is connected with the feed hopper and the first high-pressure nozzle, a high-pressure plunger pump is further arranged between the first high-pressure nozzle and the centrifugal pump, and a water outlet and a water tank of the slurry drier are both connected with the hot water tank.
Through adopting above-mentioned technical scheme, the hot-water cylinder provides the water source for the washing of pretreatment device to oily sludge, and the hot-water cylinder is received to the water in mud desiccator and the basin simultaneously for the water resource obtains cyclic utilization, and is energy-concerving and environment-protective.
In conclusion, the dirty oil sludge treatment equipment disclosed by the invention utilizes different properties of oil, water and sludge to carry out multi-step separation, has broad-spectrum applicability to oil fields, refineries and various kinds of oily sludge, and can realize clean production and dirty oil sludge reduction production; the device has high dehydration and oil removal efficiency and short treatment time, can treat materials without or with little chemical agent, and can realize the purposes of high efficiency, low cost, no secondary pollution, energy conservation and environmental protection.
Drawings
FIG. 1 is a schematic view of example 1;
FIG. 2 is a schematic view of example 2;
FIG. 3 is a schematic view of example 3.
Reference numerals: 1. a tank means; 101. a first ripening tank; 102. a second ripening tank; 103. a hot water tank; 104. a one-way valve; 105. a centrifugal pump; 106. a high pressure plunger pump; 107. a curing stirrer; 2. an oil separating device; 201. oil separating bottom prying; 202. an oil separation container; 203. separating oil from the horizontal spiral centrifuge; 2031. an oil outlet; 2032. a muddy water outlet; 204. an oil sump; 205. a mud-water mixing tank; 206. a mud-water mixing stirrer; 3. a sludge separating and drying device; 301. prying a mud separating bottom; 302. a sludge separation container; 303. a mud-water separation horizontal spiral centrifuge; 3031. a sludge outlet; 3032. a water outlet; 304. a water tank; 305. a spiral material conveyer; 306. a mud conveyor belt; 307. a slurry drier; 308. a soil drying groove; 309. a water agitator; 4. a pretreatment device; 4a, a feeding device; 4b, a cleaning device; 4c, a receiving device; 401. prying before dry mud pretreatment; 402. a partition plate; 403. a feed hopper; 404. a knife roll; 405. a first high pressure nozzle; 406. a second high pressure nozzle; 407. a sludge conveying belt; 408. an aeration device; 409. an ultrasonic transducer; 410. a baffle plate; 411. an oil discharge pipe; 412. a pretreatment stirrer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
As shown in figure 1, the dirty oil sludge treatment equipment comprises a pretreatment device 4, a storage tank device 1, an oil separation device 2 and a sludge separation and drying device 3 which are connected in sequence.
The pretreatment device 4 includes a charging device 4a, a cleaning device 4b, and a receiving device 4c. The cleaning device 4b includes a sludge pretreatment lever 401 and a feed hopper 403. A partition plate 402 is arranged in the dry sludge pretreatment pry 401, and a pretreatment stirrer 412 is arranged below the partition plate 402. The top of the partition plate 402 is provided with a sludge conveying belt 407, and the feed hopper 403 is arranged above the dry sludge pretreatment pry 401 and is positioned at the starting end of the sludge conveying belt 407. The loading device 4a is disposed above the feed hopper 403, and the receiving device 4c is disposed below the sludge conveyor 407.
Two groups of horizontal knife rollers 404 are arranged at the outlet of the feed hopper 403, a gap is reserved between the two groups of knife rollers 404, the rotating directions of the knife rollers 404 are opposite, and a plurality of cutter discs are uniformly arranged on the knife rollers 404. The top of the dry sludge pretreatment pry 401 is positioned below the knife roll 404 and is provided with a plurality of first high-pressure nozzles 405, and the top of the dry sludge pretreatment pry 401 is positioned between the tail end of the sludge conveying belt 407 and the oil discharge pipe 411 and is provided with a plurality of second high-pressure nozzles 406.
An aeration device 408 is arranged between the sludge conveying belt 407 and the partition plate 402, and the length of the aeration device 408 is smaller than that of the dry sludge pretreatment pry 401. The two sides of the sludge conveying belt 407 are respectively provided with an oil discharge pipe 411, the bottom of the oil discharge pipe 411 extends into the lower part of the partition plate 402, and the top of the oil discharge pipe is higher than the partition plate 402. A baffle plate 410 is arranged between the oil discharge pipe 411 and the front end of the aeration device 408, and the baffle plate 410 is arranged above the sludge conveying belt 407 in a high clearance manner; an ultrasonic transducer 409 is arranged above the aeration device 408 in the dry sludge pretreatment pry 401, and the ultrasonic transducer 409 is arranged between the oil discharge pipe 411 and the feed hopper 403.
If the water content of the oily sludge is low, the oily sludge needs to be pretreated by the pretreatment device 4 before entering the storage tank device 1. The oily sludge falls from the feed hopper 403, and fibrous substances and other large-volume solid impurities in the sludge are cut into pieces under the cutting action of the knife roller 404; the first high-pressure nozzle 405 sprays and cleans the sludge, and the oil-containing sludge with water falls on the sludge conveyer belt 407 and is conveyed forwards; the aeration device 408 and the ultrasonic transducer 409 below the sludge conveying belt 407 play roles in floating and separating oil in the sludge, and the oil floats to the surface of water by utilizing the density difference of the oil, the water and the sludge; when the liquid level above the partition plate 402 reaches the height of the pipe opening of the oil discharge pipe 411, surface oil and water enter the lower part of the partition plate 402 from the oil discharge pipe 411, and bottom mud is taken away along with the sludge conveying belt 407. The aeration device 408 is at a distance from the baffle 410 to prevent the aeration device 408 from unnecessarily stirring the mixture which begins to precipitate and separate, and affecting the separation effect of oil and mud; the baffle 410 also serves to reduce mud from floating up into the oil drain pipe 411.
The storage tank device 1 comprises a first curing tank 101 and a second curing tank 102 which are arranged in sequence, curing stirrers 107 are respectively arranged in the first curing tank 101 and the second curing tank 102, and one-way valves 104 are respectively arranged below the first curing tank 101 and the second curing tank 102.
The oil separation device 2 comprises an oil separation bottom pry 201, an oil separation container 202, an oil separation horizontal screw centrifuge 203, an oil groove 204 and a mud-water mixing groove 205. The oil separation container 202 is detachably arranged above the oil separation bottom pry 201 and is provided with a box door, the oil separation horizontal type spiral centrifuge 203 is arranged in the oil separation container 202, the check valve 104 is communicated with a feed inlet of the oil separation horizontal type spiral centrifuge 203, the oil separation horizontal type spiral centrifuge 203 comprises an oil outlet 2031 and a muddy water outlet 2032, an oil groove 204 and a muddy water mixing groove 205 are arranged in the oil separation bottom pry 201 and are respectively positioned below the oil outlet 2031 and the muddy water outlet 2032, and a muddy water mixing stirrer 206 is arranged in the muddy water mixing groove 205.
The mud separating and drying device 3 comprises a mud separating bottom pry 301, a mud drying machine 307 and a dry soil tank 308. The dry soil groove 308 is arranged in the mud separating bottom pry 301, the mud-water mixing groove 205 is communicated with a feeding hole of the mud drier 307, and a discharging hole of the mud drier 307 is communicated with the dry soil groove 308.
The oily sludge firstly enters a first curing tank 101 and a second curing tank 102, a part of low-boiling-point impurities are removed under the mixing action of a curing stirrer 107, and the rest impurities and the sludge are cured and then enter a feed inlet of an oil separation horizontal spiral centrifuge 203; under the separation action of the oil separation horizontal spiral centrifuge 203, the water-containing sludge flows into the sludge-water mixing tank 205 from the sludge-water outlet 2032, the oil liquid flows into the oil tank 204 from the oil outlet 2031, and the oil in the oil tank 204 can be treated separately; the mud-water mixture in the mud-water mixing tank 205 enters the mud drying machine 307, water is removed and dried under the action of the mud drying machine 307, and finally dry soil is collected in the dry soil tank 308.
Example 2
As shown in fig. 2, the present embodiment is different from embodiment 1 in that the sludge separating and drying apparatus 3 further includes a sludge separating container 302, a sludge-water separating horizontal screw centrifuge 303, and a water tank 304. The mud separation container 302 is detachably arranged above the mud separation bottom pry 301 and is provided with a box door, the mud drier 307 and the mud-water separation horizontal spiral centrifuge 303 are both arranged in the mud separation container 302, and the mud-water separation horizontal spiral centrifuge 303 comprises a water outlet 3032 and a mud outlet 3031. The water tank 304 is arranged in the mud separating bottom pry 301 and below the water outlet 3032, and a water stirrer 309 is arranged in the water tank 304. The mud outlet 3031 is connected with a screw conveyor 305, the discharge port of the screw conveyor 305 is connected with a mud conveyor belt 306, and the mud conveyor belt 306 is connected with the feed port of the mud drier 307.
The mud and water from the mud and water mixing tank 205 is connected to the feed inlet of the horizontal mud and water separating spiral centrifuge 303, under the separating action of the horizontal mud and water separating spiral centrifuge 303, the water flows into the water tank 304 from the water outlet 3032, and the mud flows out of the mud outlet 3031, is conveyed into the feed inlet of the mud drier 307 through the spiral conveyor 305 and the mud conveyor belt 306, and is dried under the action of the mud drier 307.
Example 3
As shown in fig. 3, the present embodiment is different from embodiments 1 and 2 in that the storage tank apparatus 1 further includes a hot water tank 103, a centrifugal pump 105 is connected to the hot water tank 103, the centrifugal pump 105 is connected to a feed hopper 403 and a first high-pressure nozzle 405, a high-pressure plunger pump 106 is further disposed between the first high-pressure nozzle 405 and the centrifugal pump 105, and a water outlet of a slurry drier 307 and a water tank 304 are both connected to the hot water tank 103.
The hot water tank 103 provides water sources for the first high-pressure nozzle 405, the second high-pressure nozzle 406 and the ultrasonic transducer 409 of the pretreatment device 4, and recycles the water obtained by the sludge separation and drying device 3, so that the water resources are saved, and the device is energy-saving and environment-friendly.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a dirty oil sludge treatment facility which characterized in that: comprises a pretreatment device (4), a storage tank device (1), an oil separation device (2) and a sludge separation and drying device (3) which are connected in sequence;
the pretreatment device (4) comprises a feeding device (4 a), a cleaning device (4 b) and a receiving device (4 c);
the storage tank device (1) comprises a first curing tank (101) and a second curing tank (102) which are arranged in sequence, and one-way valves (104) are arranged below the first curing tank (101) and the second curing tank (102);
the oil separation device (2) comprises an oil separation bottom pry (201), an oil separation horizontal spiral centrifugal machine (203), an oil groove (204) and a muddy water mixing groove (205), the oil separation horizontal spiral centrifugal machine (203) is arranged above the oil separation bottom pry (201), the one-way valve (104) is communicated with a feed inlet of the oil separation horizontal spiral centrifugal machine (203), the oil separation horizontal spiral centrifugal machine (203) comprises an oil outlet (2031) and a muddy water outlet (2032), and the oil groove (204) and the muddy water mixing groove (205) are arranged in the oil separation bottom pry (201) and are respectively positioned below the oil outlet (2031) and the muddy water outlet (2032);
the mud separating and drying device (3) comprises a mud separating bottom pry (301), a mud drying machine (307) and a dry soil groove (308), wherein the dry soil groove (308) is arranged in the mud separating bottom pry (301), and a discharge hole of the mud drying machine (307) is communicated with the dry soil groove (308);
the mud separation and drying device (3) further comprises a mud-water separation horizontal spiral centrifuge (303) and a water tank (304), the mud-water separation horizontal spiral centrifuge (303) is arranged above the mud separation bottom pry (301) and comprises a water outlet (3032) and a mud outlet (3031), the water tank (304) is arranged in the mud separation bottom pry (301) and is positioned below the water outlet (3032), and the mud outlet (3031) is connected with a feed inlet of a mud drying machine (307);
the mud and water from the mud and water mixing tank (205) is connected to the feed inlet of the mud and water separation horizontal spiral centrifuge (303);
a water stirrer (309) is arranged in the water tank (304);
a curing stirrer (107) is respectively arranged in the first curing tank (101) and the second curing tank (102), and a muddy water mixing stirrer (206) is arranged in a muddy water mixing tank (205);
the oily sludge firstly enters a first curing tank (101) and a second curing tank (102), a part of low-boiling-point impurities are removed under the mixing action of a curing stirrer (107), and the rest impurities and the sludge enter a feed inlet of an oil separation horizontal spiral centrifugal machine (203) after being cured.
2. The sludge treatment apparatus as claimed in claim 1, wherein: the mud outlet (3031) is connected with a spiral conveyor (305), a discharge hole of the spiral conveyor (305) is connected with a mud conveying belt (306), and the mud conveying belt (306) is connected with a feed inlet of a mud drying machine (307).
3. A contaminated oil and sludge treatment plant according to claim 2, characterised in that: mud separation mummification device (3) still include mud separation container (302), and mud separation container (302) detachably sets up in mud separation end sled (301) top and is equipped with the chamber door, and mud desiccator (307) and mud-water separation horizontal spiral centrifuge (303) all set up in mud separation container (302).
4. A contaminated oil and sludge treatment plant according to claim 1, characterised in that: the oil separation device (2) further comprises an oil separation container (202), the oil separation container (202) is detachably arranged above the oil separation bottom pry (201) and is provided with a box door, and the oil separation horizontal spiral centrifugal machine (203) is arranged in the oil separation container (202).
5. A contaminated oil and sludge treatment plant according to claim 1, characterised in that:
the cleaning device (4 b) comprises a dry sludge pretreatment pry (401) and a feed hopper (403), a partition plate (402) is arranged in the dry sludge pretreatment pry (401), a sludge conveying belt (407) is arranged at the top of the partition plate (402), the feed hopper (403) is arranged above the dry sludge pretreatment pry (401) and is positioned at the starting end of the sludge conveying belt (407), an aeration device (408) is arranged between the sludge conveying belt (407) and the partition plate (402), the length of the aeration device (408) is smaller than that of the dry sludge pretreatment pry (401), oil discharge pipes (411) are respectively arranged on two sides of the sludge conveying belt (407), the bottoms of the oil discharge pipes (411) extend into the lower part of the partition plate (402), and the tops of the oil discharge pipes are higher than the partition plate (402);
the feeding device (4 a) is arranged above the feeding hopper (403), and the receiving device (4 c) is arranged below the sludge conveying belt (407);
a baffle plate (410) is arranged between the oil discharge pipe (411) and the front end of the aeration device (408), and the baffle plate (410) is arranged above the sludge conveying belt (407) in a high altitude manner;
a pretreatment stirrer (412) is arranged below the clapboard (402).
6. A contaminated oil and sludge treatment plant according to claim 5, characterised in that: two groups of horizontal knife rolls (404) are arranged at the outlet of the feed hopper (403), a gap is reserved between the two groups of knife rolls (404), the rotating directions of the knife rolls are opposite, and a plurality of cutter heads are uniformly arranged on the knife rolls (404).
7. A contaminated oil and sludge treatment plant according to claim 5, characterised in that: the top of dry mud pretreatment sled (401) is located feeder hopper (403) below and is equipped with a plurality of first high pressure nozzle (405), and dry mud pretreatment sled (401) top is located and is equipped with a plurality of second high pressure nozzle (406) between the terminal of mud conveyer belt (407) and oil extraction pipe (411).
8. A contaminated oil and sludge treatment plant according to claim 5, characterised in that: an ultrasonic transducer (409) is arranged above the aeration device (408) in the dry sludge pretreatment pry (401), and the ultrasonic transducer (409) is arranged between the oil discharge pipe (411) and the feed hopper (403).
9. A contaminated oil and sludge treatment plant according to claim 5, characterised in that: the storage tank device (1) further comprises a hot water tank (103), the hot water tank (103) is connected with a centrifugal pump (105), the centrifugal pump (105) is connected with a feed hopper (403) and a first high-pressure nozzle (405), a high-pressure plunger pump (106) is further arranged between the first high-pressure nozzle (405) and the centrifugal pump (105), and a water outlet of a slurry drier (307) and a water tank (304) are connected with the hot water tank (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710078702.5A CN106830590B (en) | 2017-02-14 | 2017-02-14 | Dirty oil sludge treatment facility |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710078702.5A CN106830590B (en) | 2017-02-14 | 2017-02-14 | Dirty oil sludge treatment facility |
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| CN106830590A CN106830590A (en) | 2017-06-13 |
| CN106830590B true CN106830590B (en) | 2022-12-27 |
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| CN201710078702.5A Active CN106830590B (en) | 2017-02-14 | 2017-02-14 | Dirty oil sludge treatment facility |
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| CN107215992A (en) * | 2017-06-16 | 2017-09-29 | 安徽星元环保科技有限公司 | Oscillatory type oil interceptor is used in a kind of kitchen waste water processing |
| CN111847810A (en) * | 2019-04-25 | 2020-10-30 | 中国科学院生态环境研究中心 | Oil field tank bottom sludge treatment equipment |
| CN112624385B (en) * | 2021-03-09 | 2021-11-12 | 鄂尔多斯市昊鑫绿科环境工程有限公司 | Petroleum sewage treatment device and method |
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