CN210367413U - Dirty oil fatlute dehydration takes off solid processing apparatus - Google Patents
Dirty oil fatlute dehydration takes off solid processing apparatus Download PDFInfo
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- CN210367413U CN210367413U CN201921072762.7U CN201921072762U CN210367413U CN 210367413 U CN210367413 U CN 210367413U CN 201921072762 U CN201921072762 U CN 201921072762U CN 210367413 U CN210367413 U CN 210367413U
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- oil
- dirty oil
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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
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
Abstract
The utility model relates to a sump oil fatlute dehydration takes off solid processing apparatus, collect heating unit, full automatic reagent feeding mixed reaction unit, sump oil heat preservation dehydration unit including sump oil fatlute. The dirty oil and sludge collecting and heating unit comprises a dirty oil and sludge heater, a filter, a dirty oil and sludge pump and a flowmeter which are sequentially communicated. The full-automatic heating mixing reaction unit comprises two medicament tanks, two automatic metering pumps and a static mixer. The dirty oil heat-preservation dehydration unit comprises a heat-preservation settling tank and a qualified oil pump; after the treatment of the utility modelThe water content of the dirty oil and the oil sludge can be reduced from 90% to below 5%, and the treatment cost is low (no centrifugal equipment is needed); the treatment capacity is large (5000 m can be treated at one time)3Dirty oil sludge); the separation of oil, water and mud in the dirty oil can be thoroughly realized at one time; the energy consumption is low; the operation is simple; the efficiency is high.
Description
Technical Field
The invention belongs to the technical field of environmental protection, and particularly relates to a dirty oil and sludge dewatering and solid removing treatment device for treating dirty oil and sludge in a tank field, generating dirty oil and sludge during maintenance, generating dirty oil and sludge during storage of oily sewage, and generating drained dirty oil in a sewage plant.
Background
Generally, the oily sewage and dirty oil of an oil refinery are from various processes of crude oil processing, including storage tank water cutting, crude oil electric desalting water cutting, oil gas and oil product condensation separation water and washing water, etc. of the original crude oil, and further, the oil refinery equipment washing water generated in the process of maintenance, dirty oil sewage cleaned from the bottom of the tank, etc. The part of oily sewage is pretreated by oil removal and coalesced to form dirty oil. The dirty oil has extremely complex components, not only contains a large amount of aged crude oil, wax, asphaltene, colloid and the like, but also comprises various chemical agents such as demulsifier, corrosion inhibitor and the like added in the production process.
Taking only dirty oil as an example, the amount of dirty oil produced by a refinery accounts for about 0.5% of the crude oil processing amount, and the amount of dirty oil produced by domestic refiners is about 250 million tons per year, calculated as 5 hundred million tons of crude oil processed per year in China.
Refinery dirty oil sludge is complex in nature due to the diversity of impurity species, complexity of sources, and the combination of individual process operations. Generally, the water content of the dirty oil obtained by crude separation in an oil refinery is high and changes along with fluctuation of working conditions. The dirty oil generally presents a complex emulsion form, including oil-in-water (O/W) or water-in-oil (W/0) type and multiple emulsions, and contains a large amount of odorous toxic and harmful substances such as benzene series, phenols, anthracene, pyrene and the like, and the bad disposal mode is very easy to cause serious pollution.
Aiming at the dehydration and treatment of the dirty oil and oil sludge of the oil refinery, the domestic treatment technology starts late, and the technical means has a certain gap compared with developed countries such as Europe and America. In addition, the difficulty of dirty oil dehydration is high, the cost is high, and the dirty oil dehydration is not regarded as important. With the enhancement of energy conservation and emission reduction and social environmental protection awareness, the dehydration and recycling of the dirty oil and oil sludge are also receiving more attention. Currently, the dirty oil and sludge are classified as oily wastes in the national hazardous waste catalogue, and the national clean production promotion law and the solid waste environmental pollution prevention and control law also require that the dirty oil is subjected to harmless treatment. Therefore, from the viewpoint of environmental protection, ensuring normal production, or recovering energy, it is necessary to perform dehydration, detoxification, and recycling of the contaminated oil.
Disclosure of Invention
The invention aims to provide an environment-friendly dirty oil and sludge dewatering and de-solidifying treatment device aiming at the defects of serious environmental pollution and the like caused by dirty oil and sludge in the prior art in the background art.
The utility model provides a dirty oil fatlute dehydration takes off solid processing apparatus, collects heating unit, full-automatic medicine mixing reaction unit, dirty oil heat preservation dehydration unit including dirty oil fatlute.
The dirty oil and sludge collecting and heating unit comprises a dirty oil and sludge heater, a filter, a dirty oil and sludge pump and a flowmeter which are sequentially communicated.
The full-automatic heating mixing reaction unit comprises two medicament tanks, two automatic metering pumps and a static mixer. The medicament tanks are communicated with the automatic metering pump, and one medicament tank corresponds to one automatic metering pump. The two automatic metering pumps are respectively communicated with the static mixer. The static mixer is also in communication with the flow meter.
The dirty oil heat-preservation dehydration unit comprises a heat-preservation settling tank and a qualified oil pump. The bottom of the heat-preservation settling tank is communicated with a sewage treatment system. The sewage inlet of the heat-preservation settling tank is communicated with the static mixer. The oil outlet of the heat preservation settling tank is communicated with a coking device through a qualified oil pump.
In one embodiment, a steam inlet is arranged on the side wall of the heat-preservation settling tank, and steam can be introduced into the heat-preservation settling tank.
In one embodiment, a first control valve is arranged between the dirty oil and sludge heater and the filter. And a second control valve is arranged between the dirty oil sludge pump and the flowmeter. And a third control valve is arranged between the heat-preservation settling tank and the sewage treatment system. And a fourth control valve is arranged between the heat-preservation settling tank and the qualified oil pump.
In one embodiment, the dirty oil demulsifier added into the two medicament tanks is a demulsifier capable of changing the character and the arrangement state of solid-phase small particles in the dirty oil and destroying a W/O or O/W type dirty oil strong stability emulsification system.
The invention has the advantages and beneficial effects that:
1. the invention is environment-friendly; after the dirty oil sludge with higher water content is treated by the three units of the dirty oil sludge collecting and heating unit, the full-automatic dosing mixing reaction unit and the dirty oil heat-preserving dehydration unit, the separation of oil, water and mud in the dirty oil can be realized, and the dehydration and purification treatment effects are achieved.
2. The static mixer can realize the full mixing of the waste oil sludge and the demulsifier extracted from the medicament tank, and is beneficial to improving the effects of dehydration and purification treatment.
3. The dirty oil demulsifier added into the two agent tanks is the demulsifier which can change the character and the arrangement state of solid phase small particles in the dirty oil and destroy a W/O or O/W type dirty oil strong stability emulsification system; the method is used for reducing the viscosity of the dirty oil, so that oil drop molecules are changed from hydrophilicity to hydrophobicity (hydrophobicity), water drops in the dirty oil are convenient to gather and separate out, and oil and water separation in the dirty oil sludge is realized.
4. After the treatment of the invention, the water content of the dirty oil and the oil sludge can be reduced from 90 percent to below 5 percent, and the treatment cost is low (no centrifugal equipment is needed); the treatment capacity is large (5000 m can be treated at one time)3Dirty oil sludge); can thoroughly realize the oil in the dirty oil at one time,Separating water and mud; the energy consumption is low (only the dirty oil is heated to 70 ℃ for heat preservation); the operation is simple; the efficiency is high.
5. The processing object of the present invention includes: the waste oil and oil sludge in the tank area, the waste oil and oil sludge generated in maintenance, the waste oil and oil sludge generated in the storage process of the oily sewage and the drainage waste oil generated in sewage plants.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "disposed" on another element, it can be directly disposed or attached to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example 1
As shown in figure 1, the dirty oil and sludge dewatering and solid removing treatment device comprises a dirty oil and sludge collecting and heating unit, a full-automatic dosing mixing reaction unit and a dirty oil heat preservation dewatering unit.
The dirty oil and sludge collecting and heating unit comprises a dirty oil and sludge heater 1, a filter 11, a dirty oil and sludge pump 13 and a flowmeter 15 which are sequentially communicated.
Specifically, the full-automatic heating and mixing reaction unit includes two chemical tanks 3, two automatic metering pumps 31, and a static mixer 33. The drug tanks 3 communicate with the automatic metering pump 31 and one drug tank 3 corresponds to one automatic metering pump 31. The two automatic metering pumps 31 are respectively communicated with the static mixer 33. The static mixer 33 is also in communication with the flow meter 15.
Specifically, the dirty oil heat-preservation dehydration unit comprises a heat-preservation settling tank 5 and a qualified oil pump 53. The bottom of the heat-insulating settling tank 5 is communicated with a sewage treatment system 51. The sewage inlet of the heat-preservation settling tank 5 is communicated with the static mixer 33. The oil outlet of the heat preservation settling tank 5 is communicated with a coking device 55 through a qualified oil pump 53.
Wherein, the side wall of the heat-preservation settling tank 5 is provided with a steam inlet 9, and steam can be introduced into the heat-preservation settling tank 5.
Specifically, a first control valve 7 is provided between the dirty oil/sludge heater 1 and the filter 11. A second control valve 71 is arranged between the dirty oil sludge pump 13 and the flow meter 15. A third control valve 73 is arranged between the heat-preservation settling tank 5 and a sewage treatment system 51. A fourth control valve 75 is arranged between the heat-preservation settling tank 5 and the qualified oil pump 53.
Wherein, the dirty oil demulsifier added in the two agent tanks 3 is the demulsifier which can change the character and the arrangement state of solid phase small particles in the dirty oil and destroy a W/O or O/W type dirty oil strong stability emulsification system.
Working principle and working process of the invention
In the actual production process, dirty oil sludge with the water content of 90% is heated to about 70 ℃ by a dirty oil sludge heater 1, large-particle solid impurities are removed by a filter 11, and then the dirty oil sludge sequentially passes through a dirty oil sludge pump 13 and a flowmeter 15 to enter a static mixer 33, meanwhile, a dirty oil demulsifier A91 and a dirty oil demulsifier B93 (the dirty oil demulsifier A91 and the dirty oil demulsifier B93 are respectively arranged in two medicament tanks 3) are conveyed to the static mixer 33 through an automatic metering pump 31 to be fully mixed and reacted with dirty oil sludge in the static mixer 33, the mixed dirty oil enters a heat-preservation settling tank 5, and proper amount of steam is introduced through a steam inlet 9 to carry out heat-preservation settling at 70 ℃; or on the premise of no steam, the temperature of the dirty oil in the heat-preservation settling tank is guaranteed to be reduced by no more than 2 ℃ every day (24 hours) until the separation of oil, water and mud of the dirty oil is realized; the separated water and mud are discharged into a sewage treatment system 51, the water is treated according to the requirements of sewage plants, the mud can be dehydrated and dried, and the separated qualified oil enters a coking device 55 through a qualified oil pump 53.
The invention aims at the sump oil and oil sludge of oil fields and oil refineries, in particular to the sump oil.
The invention has the advantages and beneficial effects that:
1. the invention is environment-friendly; after the dirty oil sludge with higher water content is treated by the three units of the dirty oil sludge collecting and heating unit, the full-automatic dosing mixing reaction unit and the dirty oil heat-preserving dehydration unit, the separation of oil, water and mud in the dirty oil can be realized, and the dehydration and purification treatment effects are achieved.
2. The static mixer can realize the full mixing of the dirty oil, the oil sludge and the dirty oil demulsifier extracted from the medicament tank 3, and is beneficial to improving the dehydration and purification treatment effects of the static mixer.
3. The dirty oil demulsifier added into the two agent tanks 3 is the demulsifier which can change the character and the arrangement state of solid phase small particles in the dirty oil and destroy a W/O or O/W type dirty oil strong stability emulsification system; the method is used for reducing the viscosity of the dirty oil, so that oil drop molecules are changed from hydrophilicity to hydrophobicity (hydrophobicity), water drops in the dirty oil are convenient to gather and separate out, and oil and water separation in the dirty oil sludge is realized.
4. After the treatment of the invention, the water content of the dirty oil and the oil sludge can be reduced from 90 percent to below 5 percent, and the treatment cost is low (no centrifugal equipment is needed); the treatment capacity is large (5000 m can be treated at one time)3Dirty oil sludge); the separation of oil, water and mud in the dirty oil can be thoroughly realized at one time; the energy consumption is low (only the dirty oil is heated to 70 ℃ for heat preservation); the operation is simple; the efficiency is high.
5. The processing object of the present invention includes: the waste oil and oil sludge in the tank area, the waste oil and oil sludge generated in maintenance, the waste oil and oil sludge generated in the storage process of the oily sewage and the drainage waste oil generated in sewage plants.
The embodiments of the present invention are described only for the preferred embodiments of the present invention, and not for the limitation of the concept and scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall into the protection scope of the present invention, and the technical content of the present invention which is claimed is fully set forth in the claims.
Claims (4)
1. A dirty oil and sludge dewatering and solid removing treatment device is characterized by comprising a dirty oil and sludge collecting and heating unit, a full-automatic dosing mixing reaction unit and a dirty oil heat preservation dewatering unit;
the dirty oil and sludge collecting and heating unit comprises a dirty oil and sludge heater, a filter, a dirty oil and sludge pump and a flowmeter which are sequentially communicated;
the full-automatic heating mixing reaction unit comprises two medicament tanks, two automatic metering pumps and a static mixer, wherein the medicament tanks are communicated with the automatic metering pumps, one medicament tank corresponds to one automatic metering pump, the two automatic metering pumps are respectively communicated with the static mixer, and the static mixer is also communicated with a flow meter;
the dirty oil heat-preservation dehydration unit comprises a heat-preservation settling tank and a qualified oil pump; the bottom of the heat-preservation settling tank is communicated with a sewage treatment system, a sewage inlet of the heat-preservation settling tank is communicated with the static mixer, and an oil outlet of the heat-preservation settling tank is communicated with the coking device through a qualified oil pump.
2. The dirty oil, sludge and water dewatering and de-solidification treatment device according to claim 1, wherein a steam inlet is formed in a side wall of the heat-preservation settling tank, and steam can be introduced into the heat-preservation settling tank.
3. The apparatus according to claim 1, wherein a first control valve is provided between the heater and the filter, a second control valve is provided between the sludge pump and the flowmeter, a third control valve is provided between the heat-insulating settling tank and a sewage treatment system, and a fourth control valve is provided between the heat-insulating settling tank and the qualified oil pump.
4. The device for dehydration and solidification treatment of the dirty oil, the oil sludge and the water sludge according to claim 1, wherein the dirty oil demulsifier added into the two agent tanks is a dirty oil demulsifier which can change the properties and the arrangement state of solid phase small particles in the dirty oil and destroy a W/O or O/W type dirty oil strong stability emulsification system.
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| CN201921072762.7U Active CN210367413U (en) | 2018-12-10 | 2019-07-10 | Dirty oil fatlute dehydration takes off solid processing apparatus |
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| CN110282855A (en) * | 2018-12-10 | 2019-09-27 | 岳阳长岭设备研究所有限公司 | The de- solid processing unit of sump oil greasy filth dehydration and its treatment process |
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| CN111348796A (en) * | 2020-03-27 | 2020-06-30 | 岳阳长岭设备研究所有限公司 | Dirty oil purification treatment process |
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| CN101735851B (en) * | 2009-12-23 | 2013-01-02 | 大庆油田有限责任公司 | Recovery and treatment technology of dirty oil produced in sewage setting tank in produced liquid treatment |
| WO2013091032A1 (en) * | 2011-12-22 | 2013-06-27 | Tomov Petko Ivanov | Method for processing of oil sludge and oil sediments |
| CN103361165B (en) * | 2013-05-30 | 2014-10-29 | 上海宝钢废旧油处理有限公司 | Regenerative equipment and method for waste emulsion produced in steel rolling process |
| CN105776704A (en) * | 2016-04-08 | 2016-07-20 | 江苏大轩石化设备有限公司 | Super-high power ultrasonic sump oil emulsion breaking dehydration method |
| CN106118703A (en) * | 2016-08-18 | 2016-11-16 | 北京华福工程有限公司 | A kind of coal tar pretreatment combination size system and method |
| CN110282855A (en) * | 2018-12-10 | 2019-09-27 | 岳阳长岭设备研究所有限公司 | The de- solid processing unit of sump oil greasy filth dehydration and its treatment process |
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| CN110282855A (en) * | 2018-12-10 | 2019-09-27 | 岳阳长岭设备研究所有限公司 | The de- solid processing unit of sump oil greasy filth dehydration and its treatment process |
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