CN113666593A - Oil field sludge treatment system - Google Patents
Oil field sludge treatment system Download PDFInfo
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- CN113666593A CN113666593A CN202111045673.5A CN202111045673A CN113666593A CN 113666593 A CN113666593 A CN 113666593A CN 202111045673 A CN202111045673 A CN 202111045673A CN 113666593 A CN113666593 A CN 113666593A
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- 239000010802 sludge Substances 0.000 title claims abstract description 115
- 238000003860 storage Methods 0.000 claims abstract description 27
- 238000012216 screening Methods 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 239000002002 slurry Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 55
- 239000000463 material Substances 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 125
- 238000000034 method Methods 0.000 description 18
- 238000000926 separation method Methods 0.000 description 8
- 239000012535 impurity Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000010779 crude oil Substances 0.000 description 5
- 239000003208 petroleum Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004939 coking Methods 0.000 description 1
- 239000011365 complex material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910003480 inorganic solid Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003305 oil spill Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
-
- 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
-
- 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
- C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/32—Hydrocarbons, e.g. oil
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention provides an oil field sludge treatment system, which comprises a dirty oil sludge pool, a vacuum box, a pretreatment tank and a three-phase separator, wherein the dirty oil sludge pool is provided with a vacuum tank; the dirty oil sludge pool is used for storing dirty oil sludge; the vacuum box is used for carrying out primary crushing treatment on the dirty oil sludge; the pretreatment tank is used for carrying out layered treatment on the dirty oil sludge after the crushing treatment and comprises a tank body, a feed inlet is formed in the tank body, a screening device is arranged at the feed inlet, a stirring frame driven by a stirring motor is arranged in the tank body in a rotating mode, the dirty oil sludge in the tank body is discharged into the feed inlet through a pipeline and a first slurry delivery pump, a second electromagnetic valve is arranged on the pipeline, oil generated by layered dirty oil sludge in the tank body is discharged to an oil storage tank through a floater oil collector, the pipeline and a corresponding oil delivery pump, and oil sludge generated by layered dirty oil sludge in the tank body is discharged to a three-phase separator through the pipeline and the corresponding second oil sludge delivery pump. The invention has simple and ingenious structural design, can efficiently and scientifically treat the oil sludge on the premise of saving energy, and has strong practicability.
Description
Technical Field
The invention relates to the technical field of sludge treatment, in particular to an oil field sludge treatment system.
Background
During exploration, exploitation, refining, tank cleaning, storage and transportation of petroleum, a large amount of crude oil or oil products and soil, water or other impurities form oily sludge or sewage due to accidents, leakage, natural sedimentation and the like. The oily sludge or oily sewage contains petroleum, water, inorganic solids and the like, belongs to high-risk pollutants and can cause harm to the environment. Depending on the cause, sludge is generally classified into: oil sludge on the ground, oil sludge at the bottom of a tank, ground oil spill, oil-containing sludge in an oil refinery and the like.
The traditional oily sludge treatment method comprises a burning method, a biological treatment method, a thermal washing method, a solvent extraction method, a chemical demulsification method, a solid-liquid separation method, a coking method, an oily sludge profile control method, an oily sludge comprehensive utilization method and the like. However, many of these methods have different problems and are not suitable for practical use. For example, the burning method has large energy consumption and is easy to generate secondary pollution, and oil resources are not recycled; the biological treatment method needs 40 days to biodegrade 97% of petroleum hydrocarbon, and oil resources are not recycled; the solvent extraction method has the problems of long flow, complex process and high treatment cost, and is only suitable for oily sludge containing a large amount of refractory organic matters; the chemical demulsification method needs to add a demulsifier and heat the oil-containing sludge which is seriously emulsified; therefore, these methods have not been widely used in domestic applications.
In addition, the oily sludge in the oil field is generally transported in two modes, namely, the liquid oily sludge collected and transported from each well site, a transfer station and a combination station by an oil tank truck is transported to an oil production plant area and directly unloaded to a sump oil storage pool; the other type is that the solid oily sludge collected and transported from each well site, transfer station and combined station by using a dangerous waste dump truck (or flat car) is transported to an oil production plant area, the oily sludge is packaged by a plastic bag and a glass fiber bag, and the oily sludge is discharged to a sump oil storage pool after being manually broken. In the sump oil storage tank of the oil extraction plant of each oil field enterprise at present, the problems of high treatment difficulty, complex process, high operation cost and the like caused by factors such as a large amount of oily sludge impurities, complex material components, large solid particle diameter and the like are the problems which puzzle each environment-friendly enterprise.
Disclosure of Invention
The invention aims to provide an oil field sludge treatment system aiming at the defects of the prior art, and the specific scheme is as follows:
an oil field sludge treatment system comprises a dirty oil sludge pool, a vacuum box, a pretreatment tank and a three-phase separator; the dirty oil sludge pool is used for storing dirty oil sludge; the vacuum box is used for primarily crushing the dirty oil sludge and comprises a box body, the interior of the box body is divided into a vacuum bin positioned at the upper part and a material bin positioned at the lower part by a partition plate, a pneumatic execution valve is arranged on the partition plate, a mechanical vacuum pump aiming at the vacuum bin is arranged outside the box body, a first electromagnetic valve aiming at the material bin is arranged at the position, corresponding to the material bin, of the side wall of the box body, a spiral reamer crusher used for crushing the dirty oil sludge is further arranged in the material bin, the spiral reamer crusher is driven by a crushing motor, a liquid level transmitter is arranged at the bottom of the material bin, and a feeding pipe is arranged between the dirty oil sludge pool and the box body; the pretreatment tank is used for carrying out layered treatment on the dirty oil sludge and comprises a tank body, wherein a feed inlet is formed in the tank body, a screening device is arranged at the feed inlet, a stirring frame driven by a stirring motor is rotationally arranged in the tank body, the dirty oil sludge in the tank body is discharged into the feed inlet through a pipeline and a first slurry conveying pump, a second electromagnetic valve is arranged on the pipeline, oil generated by layering of the dirty oil sludge in the tank body is discharged into an oil storage tank through a floater oil collector, the pipeline and a corresponding oil transfer pump, and oil sludge generated by layering of the dirty oil sludge in the tank body is discharged into the three-phase separator through the pipeline and a corresponding second oil sludge conveying pump; oil generated by separating oil sludge entering the three-phase separator enters the oil storage tank, generated sludge is discharged by a spiral sludge discharging machine and then bagged, and generated water is discharged into a water storage tank; the inner walls of the box body and the tank body are coated with nano self-cleaning paint.
Based on the above, water in the water storage tank is circularly introduced into the heat pump through the pipeline and the hot water circulating pump, the heat pump transfers the heat of the water into the heat conduction oil, the heat conduction oil circularly flows through the heat conduction oil coil pipe in the tank body through the heat conduction oil circulating pump and the corresponding oil pipe after being heated, and the oil pipe is connected with the heat conduction oil expansion tank.
Based on the aforesaid, water in the storage water tank provides the high pressure water for first high-pressure squirt, second high-pressure squirt through pipeline and high-pressure pump, first high-pressure squirt is used for washing and stirs the fatlute of sump bottom, second high-pressure squirt is used for washing large granule fatlute or debris on screening plate of screening plant.
Based on the above, pneumatic executive valve, mechanical vacuum pump, first solenoid valve, broken motor, level changer, second solenoid valve, first mud delivery pump, agitator motor, oil transfer pump, screening plant, three-phase separation machine, second fatlute delivery pump, spiral mud discharging machine, high-pressure pump, heat pump conduction oil circulating pump and hot water circulating pump all electric connection to controller.
Compared with the prior art, the invention has outstanding substantive characteristics and remarkable progress, and particularly has the following advantages:
1. in the oil field oil sludge treatment system provided by the invention, under the action of a mechanical vacuum pump, oil sludge in an oil sludge pool is lifted into a material bin, and the oil sludge is crushed and decomposed into sundries and solid particles with the diameter of more than 10mm in the oil sludge under the high-speed rotation of a spiral reamer crusher; after rough separation, the dirty oil slurry enters a screening device for fine separation, impurities and solid particles with the diameter larger than 0.5mm in the dirty oil sludge are removed, the dirty oil slurry falls into a pretreatment tank, the dirty oil slurry is stirred by a stirring frame and heated by a heat conduction oil coil pipe to be crushed and dissolved, then the dirty oil slurry enters a three-phase separator for oil, water and sludge three-phase efficient separation, a small amount of separated crude oil enters an oil storage tank, the separated water enters a water storage tank, and the separated sludge enters a spiral sludge discharging machine to be discharged and then is bagged. Therefore, the oil sludge is effectively treated, the recovery rate of crude oil reaches more than 98%, ≺ 2% of oil contained in the oil sludge meets the national environmental protection regulations, and the problem of increasingly serious black pollution is solved.
2. According to the invention, water in the water storage tank is circularly introduced into the heat pump through the pipeline and the hot water circulating pump, the heat pump transfers the heat of the water into the heat conduction oil, the heat conduction oil circularly flows through the heat conduction oil coil pipe in the tank body through the heat conduction oil circulating pump and the corresponding oil pipe after being heated, and the oil pipe is connected with the heat conduction oil expansion tank.
Drawings
FIG. 1 is an overall process flow diagram of the present invention.
In the figure: 10. a sump oil sludge pool; 20. a vacuum box; 201. a feed pipe; 202. a vacuum bin; 203. a material bin; 204. a pneumatic actuator valve; 205. a mechanical vacuum pump; 206. a first solenoid valve; 207. a helical reamer breaker; 208. a first slurry delivery pump; 209. a second solenoid valve; 210. a liquid level transmitter; 30. a pretreatment tank; 301. a stirring motor; 302. a floater oil collector; 303. a heat conducting oil coil; 304. an oil transfer pump; 305. a screening device; 40. a three-phase separator; 401. a second sludge transfer pump; 402. a spiral mud discharging machine; 403. an oil storage tank; 404. a water storage tank; 405. a high pressure pump; 406. a first high pressure water gun; 407. a second high pressure water gun; 50. a heat pump; 501. a heat transfer oil circulating pump; 502. a hot water circulation pump; 503. a heat conducting oil expansion tank; 60. and a controller.
Detailed Description
The technical solution of the present invention is further described in detail by the following embodiments.
Examples
As shown in FIG. 1, the invention provides an oilfield sludge treatment system, which comprises a dirty sludge pool 10, a vacuum box 20, a pretreatment tank 30 and a three-phase separator 40; the dirty oil sludge pool 10 is used for storing dirty oil sludge; vacuum box 20 is used for carrying out preliminary broken handle to dirty oil sludge, and it includes the box, and the box is inside to be divided into by the baffle and to be located the vacuum chamber 202 on upper portion and be located the material storehouse 203 of lower part, be equipped with pneumatic execution valve 204 on the baffle, the box outside is equipped with to the mechanical vacuum pump 205 of vacuum chamber 202, the box lateral wall corresponds material storehouse 203 department and is equipped with to the first solenoid valve 206 of material storehouse 203 still is equipped with the spiral reamer breaker 207 that is used for dirty oil sludge broken handle in the material storehouse 203, spiral reamer breaker 207 is driven by broken motor, and the bottom in material storehouse 203 is equipped with liquid level transmitter 210, is equipped with inlet pipe 201 between dirty oil sludge pool 10 and the box.
The pretreatment tank 30 is used for carrying out preliminary layering to dirty fatlute, and it includes a jar body, be equipped with the feed inlet on the jar body, feed inlet department is equipped with screening device 305, screening device 305 is arranged in removing in the dirty fatlute that the diameter is greater than 0.5 mm's debris and solid-state granule, and jar internal rotation is equipped with the stirring frame by agitator motor 301 driven, and dirty fatlute in the box is discharged through pipeline and first mud delivery pump 208 the feed inlet is equipped with second solenoid valve 209 on this pipeline, and the oil slick that the internal dirty fatlute layering of jar produced passes through float oil collector 302, pipeline and corresponding oil transfer pump 304 and arranges to oil storage tank 403, and the fatlute that the internal dirty fatlute layering of jar produced passes through pipeline and corresponding second fatlute delivery pump 401 and arranges extremely three phase separator 40.
The three-phase separator 40 is used for performing fine layering treatment on oil sludge, oil generated by separation of the oil sludge in the three-phase separator 40 enters the oil storage tank 403, generated sludge is discharged by the spiral sludge discharging machine 402 and then bagged, and generated water is discharged into the water storage tank 404.
In order to facilitate oil sludge transportation, the inner walls of the box body and the tank body are coated with nano self-cleaning paint.
In order to improve the efficiency of the layered treatment of the greasy dirt in the pretreatment tank 30, the greasy dirt inside the pretreatment tank needs to be heated, so that a heat conduction oil coil 303 is arranged in the tank body, and the heat conduction oil is circularly introduced into the heat conduction oil coil 303. Because the temperature of the water separated from the three-phase separator 40 is about 45-60 ℃, the water in the water storage tank 404 is circularly led into the heat pump 50 through a pipeline and a hot water circulating pump 502 in consideration of the principle of energy conservation, the heat pump 50 transfers the heat of the water into heat conduction oil, the heat conduction oil circularly flows through a heat conduction oil coil 303 in the tank body through a heat conduction oil circulating pump 501 and a corresponding oil pipe after being heated, and the oil pipe is connected with a heat conduction oil expansion tank 503.
Water in the storage water tank 404 provides high-pressure water for a first high-pressure water gun 406 and a second high-pressure water gun 407 through a pipeline and a high-pressure pump 405, the first high-pressure water gun 406 is used for washing and stirring oil sludge at the bottom of the dirty oil sludge pool 10, so that the feeding pipe 201 sucks materials in vacuum, and the second high-pressure water gun 407 is used for washing large-particle oil sludge or impurities on a screening plate of the screening device 305.
In order to control the whole treatment system, the pneumatic actuator valve 204, the mechanical vacuum pump 205, the first electromagnetic valve 206, the crushing motor, the liquid level transmitter 210, the second electromagnetic valve 209, the first slurry delivery pump 208, the stirring motor 301, the oil delivery pump 304, the sieving device 305, the three-phase separator 40, the second sludge delivery pump 401, the screw sludge discharge machine 402, the high-pressure pump 405, the heat pump 50 heat-conducting oil circulating pump 501 and the hot water circulating pump 502 are all electrically connected to the controller 60.
The invention has the specific working principle that: in the oil field oil sludge treatment system provided by the invention, under the action of the mechanical vacuum pump 205, the oil sludge in the oil sludge pool 10 is lifted into the material bin 203, and the oil sludge is crushed and decomposed by the spiral reamer crusher 207 under high-speed rotation, wherein the diameter of impurities and solid particles in the oil sludge is larger than 10 mm; after rough separation, the dirty oil slurry enters a screening device 305 for fine separation, impurities and solid particles with the diameter larger than 0.5mm in the dirty oil sludge are removed, the dirty oil slurry falls into a pretreatment tank, the dirty oil slurry is stirred by a stirring frame and heated by a heat conducting oil coil pipe 303 to be crushed and dissolved, then the dirty oil slurry enters a three-phase separator 40 for oil, water and sludge three-phase efficient separation, a small amount of separated crude oil enters an oil storage tank 403, the separated water enters a water storage tank 404, and the separated sludge enters a spiral sludge discharging machine 402 to be discharged and then is bagged. Therefore, the oil sludge is effectively treated, the recovery rate of crude oil reaches more than 98%, ≺ 2% of oil contained in the oil sludge meets the national environmental protection regulations, and the problem of increasingly serious black pollution is solved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (4)
1. The utility model provides an oil field sludge treatment system which characterized in that: comprises a dirty oil sludge pool (10), a vacuum box (20), a pretreatment tank (30) and a three-phase separator (40); the dirty oil sludge pool (10) is used for storing dirty oil sludge; the vacuum box (20) is used for carrying out primary crushing treatment on the dirty oil sludge and comprises a box body, the interior of the box body is divided into a vacuum bin (202) located at the upper part and a material bin (203) located at the lower part by a partition plate, a pneumatic execution valve (204) is arranged on the partition plate, a mechanical vacuum pump (205) aiming at the vacuum bin (202) is arranged outside the box body, a first electromagnetic valve (206) aiming at the material bin (203) is arranged at the position, corresponding to the material bin (203), of the side wall of the box body, a spiral reamer crusher (207) used for crushing the dirty oil sludge is further arranged in the material bin (203), the spiral reamer crusher (207) is driven by a crushing motor, a liquid level transmitter (210) is arranged at the bottom of the material bin (203), and a feeding pipe (201) is arranged between a dirty oil sludge pool (10) and the box body; the pretreatment tank (30) is used for carrying out layered treatment on the dirty oil sludge and comprises a tank body, wherein a feed inlet is formed in the tank body, a screening device (305) is arranged at the feed inlet, a stirring frame driven by a stirring motor (301) is arranged in the tank body in a rotating mode, the dirty oil sludge in the tank body is discharged into the feed inlet through a pipeline and a first slurry conveying pump (208), a second electromagnetic valve (209) is arranged on the pipeline, oil generated by layered dirty oil sludge in the tank body is discharged into an oil storage tank (403) through a floater oil collector (302), a pipeline and a corresponding oil conveying pump (304), and oil sludge generated by layered dirty oil sludge in the tank body is discharged into the three-phase separator (40) through the pipeline and a corresponding second oil sludge conveying pump (401); oil generated by separating the oil sludge entering the three-phase separator (40) enters the oil storage tank (403), the generated sludge is discharged by a spiral sludge discharging machine (402) and then is bagged, and the generated water is discharged into a water storage tank (404); the inner walls of the box body and the tank body are coated with nano self-cleaning paint.
2. The oilfield sludge treatment system of claim 1, wherein: water in the water storage tank (404) is circularly introduced into the heat pump (50) through a pipeline and the hot water circulating pump (502), the heat of the water is transferred into heat conduction oil by the heat pump (50), the heat conduction oil circularly flows through the heat conduction oil coil pipe (303) in the tank body through the heat conduction oil circulating pump (501) and the corresponding oil pipe after being heated, and the oil pipe is connected with the heat conduction oil expansion tank (503).
3. The oilfield sludge treatment system of claim 2, wherein: the water in the water storage tank (404) provides high-pressure water for a first high-pressure water gun (406) and a first high-pressure water gun (406) through a pipeline and a high-pressure pump (405), the first high-pressure water gun (406) is used for washing and stirring oil sludge at the bottom of the dirty oil sludge pool (10), and the first high-pressure water gun (406) is used for washing large-particle oil sludge or sundries on a screening plate of the screening device (305).
4. The oilfield sludge treatment system of claim 3, wherein: the device comprises a pneumatic execution valve (204), a mechanical vacuum pump (205), a first electromagnetic valve (206), a crushing motor, a liquid level transmitter (210), a second electromagnetic valve (209), a first slurry delivery pump (208), a stirring motor (301), an oil delivery pump (304), a screening device (305), a three-phase separator (40), a second oil sludge delivery pump (401), a spiral mud discharging machine (402), a high-pressure pump (405), a heat pump (50), a heat-conducting oil circulating pump (501) and a hot water circulating pump (502), which are all electrically connected to a controller (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111045673.5A CN113666593A (en) | 2021-09-07 | 2021-09-07 | Oil field sludge treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111045673.5A CN113666593A (en) | 2021-09-07 | 2021-09-07 | Oil field sludge treatment system |
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| CN113666593A true CN113666593A (en) | 2021-11-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115555371A (en) * | 2022-07-26 | 2023-01-03 | 芜湖职业技术学院 | Oil-containing solid waste treatment device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108383345A (en) * | 2018-04-16 | 2018-08-10 | 北京北控京仪环保科技有限公司 | A kind of disposal of oily sludge system and technique |
| CN109987780A (en) * | 2017-12-29 | 2019-07-09 | 南京理工大学 | Garbage percolation liquid treating system and its technique based on sewage source heat pump technology |
| US20200238198A1 (en) * | 2019-01-26 | 2020-07-30 | Cangzhou Xinchang Chemical Corporation | Slop oil Treating Device |
-
2021
- 2021-09-07 CN CN202111045673.5A patent/CN113666593A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109987780A (en) * | 2017-12-29 | 2019-07-09 | 南京理工大学 | Garbage percolation liquid treating system and its technique based on sewage source heat pump technology |
| CN108383345A (en) * | 2018-04-16 | 2018-08-10 | 北京北控京仪环保科技有限公司 | A kind of disposal of oily sludge system and technique |
| US20200238198A1 (en) * | 2019-01-26 | 2020-07-30 | Cangzhou Xinchang Chemical Corporation | Slop oil Treating Device |
Non-Patent Citations (1)
| Title |
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| 张朝晖等, 冶金工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115555371A (en) * | 2022-07-26 | 2023-01-03 | 芜湖职业技术学院 | Oil-containing solid waste treatment device |
| CN115555371B (en) * | 2022-07-26 | 2023-09-29 | 芜湖职业技术学院 | Oil-containing solid waste treatment device |
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Application publication date: 20211119 |
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