CN103922560B - A kind of adjusting material being applied to refinery oily sludge - Google Patents
A kind of adjusting material being applied to refinery oily sludge Download PDFInfo
- Publication number
- CN103922560B CN103922560B CN201410149252.0A CN201410149252A CN103922560B CN 103922560 B CN103922560 B CN 103922560B CN 201410149252 A CN201410149252 A CN 201410149252A CN 103922560 B CN103922560 B CN 103922560B
- Authority
- CN
- China
- Prior art keywords
- adjusting material
- mud
- oily sludge
- oil
- sludge
- 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.)
- Expired - Fee Related
Links
Landscapes
- Treatment Of Sludge (AREA)
Abstract
Process an adjusting material for oily sludge, belong to resource and environment technical field.The composition proportion of each component of this adjusting material is atlapulgite 20% ~ 40%, burning ash 20% ~ 30%, glass powder 20% 30%, potato slag 5% ~ 10%, tourmaline powder 1% ~ 5%, polyoxyethylene 5% ~ 8%.First in oily sludge, add adjusting material carries out modified, low-frequency ultrasonic waves process is carried out to mud simultaneously, make oil, mud fully departs from, oil, the abundant breakdown of emulsion of water, upper strata sump oil is reclaimed to greatest extent again by sedimentation, and the solid phase residue separated by oil slick uses as the heating fuel of modified process together with coal, the burning ash of gained is also by the batching as adjusting material.Thus ensureing the recycling belonging to increase oily sludge together reducing the harm that oily sludge produces, to finally realizing the maximization of environmental benefit, economic benefit and social benefit.
Description
Technical field
The invention belongs to resource and environment technical field, be specifically related to a kind of adjusting material of process floorboard with high oil content mud.
Background technology
China is as developing country maximum in the world and oil production big country, and working condition backwardness relative to Pollution control technology, along with socioeconomic development, the environmental pollution that production of hydrocarbons is brought is more and more serious, and contradiction is more and more outstanding.Petroleum substance in the oily sludge that refinery produces, especially benzene, polycyclic aromatic hydrocarbons are very serious to the harm of environment.Oily sludge its be mainly derived from the greasy filth of oil trap pond bottom sediments, flotation cell adds the scum silica frost that flocculation agent air supporting produces, and the residual active sludge of aeration biochemical unit, is commonly called as " three mud ".Composition is crude oil, water and mud, oil length usually 10% ?between 50%.According to estimates, China produces nearly 3,000,000 tons of oily sludge per year, but the crude resources wherein contained is about about 600,000 tons.Oil in oily sludge is reclaimed, makes its resource utilization, certain economic benefit, environmental benefit and social benefit can be obtained.The character of oily sludge is complicated, and viscosity is difficult to sedimentation more greatly, and concentrated difficulty, dehydration and treatment technology difficulty large.Current China disposal of oily sludge also has larger gap with utilization and Foreign Advanced Lerel, and treatment technology falls behind, and device does not match, and most mud, without harmless treatment, causes environmental pollution and the wasting of resources.
Treatment process a lot of Wu Ni of oily sludge ?modified processed technique develop to obtain comparative maturity at last, mud hardening and tempering method mainly contains Physical and chemical method, the former adopts and adds the modification of the means such as auxiliary agent or heating realization to mud, and the latter selects dosing coagulant.The advantage of this facture is that the oily sludge oil recovery rate after processing is higher, and technique itself is not very complicated.Sludge dehydration process is actually the suspended particles group of mud and the relative movement of water, mud modified is the proterties by certain means adjustment solids group and ordered state, make it the pretreatment operation of applicable different dehydration conditions, significantly improve dehydrating effect, improve mechanical dehydration performance.
The selection that oily sludge is modified, the key problem in technology of mechanical dehydration treatment process is selected, the dewatering machine type to adjusting material kind used in modified and consumption, and the determination of dewatering machine operating parameter.Wherein the selection of adjusting material is particularly important, and current adjusting material agent kind is a lot, and there is a lot of problem also a lot, adaptability is bad, on the high side, if the improper a large amount of chemical conditioning agent of subsequent disposal will cause secondary pollution along with mud cake.So find with strong points, cheap, environment amenable excellent adjusting material is current investigation and application direction.
Summary of the invention
The present invention to above-mentioned prior art Problems existing, targetedly to refinery oleaginousness higher than 30% mud a kind of adjusting material is proposed, itself and the coupling of ultrasonic wave conditioning technology are solved the dehydration oil removing problem of oily sludge.Also by the oil slick solid phase residue after process while effectively reclaiming crude oil, be incorporated in adjusting material as one batching and recycle.Under the adjusting material formula and working conditions of the best, mud crude oil recovery rate can reach 80% ~ 990%.This method takes into account environment protection and resource reclaim simultaneously, safe and reliable, environmental protection and energy saving, is that oily sludge is innoxious, one of the effective way of resource utilization.
The present invention is realized by following means.
Be applied to an adjusting material for refinery oily sludge, the mass component proportioning of adjusting material is: atlapulgite 20% ~ 40%, burning ash 20% ~ 30%, glass powder 20% ~ 30%, potato slag 5% ~ 10%, tourmaline powder 1% ~ 5%, polyoxyethylene 5% ~ 8%.
Burning ash is that the solid phase residue in the oil slick that reclaims of refinery lignin-sludge burns the ash of gained after drying with mass ratio 1:5 with coal.Potato slag is residue remaining after Ipomoea batatas extracts starch, and grind into powder after drying, particle diameter is 80 ~ 200 orders.
Tourmaline powder is tourmalinite raw ore after removing impurity, and through the powder that mechanical disintegration obtains, particle diameter, at 80 ~ 200 orders, can absorb the peculiar smell that greasy filth sends.
A treatment process for refinery oily sludge, is characterized in that, comprises the following steps:
(1) add water oily sludge adjustment water ratio to 95%, filters with 100 object stainless steel filtering nets;
(2) conditioning of mud pH is between 6 ~ 9, heats and maintains the temperature between 35 ~ 50 DEG C, and in the mud after filtration, add adjusting material, the addition of adjusting material accounts for 5% ~ 8% of the mass percent of dewatered sludge, stirs 40min ~ 60min.
(3) with the ultrasonic wave of 20 ~ 50KHZ frequency, mud is processed while step (2) stirs, ultrasonic wave can change mud flocculation structure, intracellular organic matter is discharged, increase the degradability of mud, be conducive to the solid-liquid separation of high-density suspended buoyancy finely ground particles, stopping supersound process after stirring completes, static 20min, is separated upper strata oil slick.
(4) isolated oil slick is separated in water-and-oil separator, reclaim crude oil, the solid phase residue of gained to be incorporated in coal as fuel for the modified heating phase provides heat energy using the ratio of mass ratio 1:5 after drying, and the burning ash of gained also can be used as the one batching of adjusting material.
(5) mud of the removal oil slick after modified for step (3) is pumped into plate-and-frame filter press and carry out mechanical dehydration, natural drying is 10% to water ratio, makes auxiliary fuel.
(6) filtrate produced after step (5) press filtration is back to the sludge conditioning stage of step (4), the addition reducing powder adjusting material can be contributed to.
The stirring frequency of step (2) and step (4) is 60 ~ 120r/min.
The mass component proportioning of the adjusting material wherein in step (2) is: atlapulgite 20% ~ 40%, burning ash 20% ~ 30%, glass powder 20% ~ 30%, potato slag 5% ~ 10%, tourmaline powder 1% ~ 5%, polyoxyethylene 5% ~ 8%.
Burning ash is that the solid phase residue in the oil slick that reclaims of refinery lignin-sludge burns the ash of gained after drying with mass ratio 1:5 with coal.Burning ash is preferably solid phase residue and coal mixed burning in step (3) and produces, and particle diameter is 100 ~ 200 orders.Potato slag is residue remaining after Ipomoea batatas extracts starch, and grind into powder after drying, particle diameter is 80 ~ 200 orders.
Tourmaline powder is tourmalinite raw ore after removing impurity, and through the powder that mechanical disintegration obtains, particle diameter, at 80 ~ 200 orders, can absorb the peculiar smell that greasy filth sends.
The oily sludge that the present invention is 30% ~ 40% to oil length adds adjusting material, and be aided with ultrasonication reach Gu ?Shui ?separating of oil after, solid phase residue in oil slick is mixed with the ratio of mass ratio 1:5 with coal, as fuel for the modified stage provides heat energy, namely the burning ash of gained prepares burden as adjusting material, yielding semi-solid particle can be made to form rigidity mud skeleton, thus significantly improve oily sludge mechanical dehydration performance.Its requirement is: water ratio 10% ~ 25%, granularity 100 ~ 200 order.
The invention has the beneficial effects as follows: after adjusting material conditioning, mud crude oil recovery rate can reach 80% ~ 90%, and dehydration rate is more than 35%, and technique simple possible.Burning ash is the byproduct of refinery, cheap, through suitably processing, just as a kind of oily sludge adjusting material batching, can also have certain social benefit.Mud cake containing burning ash and potato slag, calorific value increases, and is conducive to that mud cake is follow-up to be used as ignition dope.
Concrete implementation method
Below in conjunction with embodiment, the invention will be further described, but the present invention is not limited to following examples.
Embodiment 1:
(1) add water oily sludge adjustment water ratio to 95%, filters with 100 object stainless steel filtering nets;
(2) conditioning of mud pH to 6, heats and maintains the temperature at 35 DEG C, and in the mud after filtering, add adjusting material, the mass percent that the addition of adjusting material accounts for dewatered sludge is 6%, stirs 40min with the frequency of 70r/min.
(3) with the ultrasonic wave of 20KHZ frequency, mud is processed while step (2) stirs, stirred rear stopping supersound process, static 20min, be separated upper strata oil slick.
(4) be separated in water-and-oil separator by isolated oil slick, the solid phase residue of gained to be incorporated in coal as fuel for the modified heating phase provides heat energy using the ratio of mass ratio 1:5 after drying, and the burning ash of gained is prepared burden as the one of adjusting material.
(5) by the composition proportion of the adjusting material in step (2) be: atlapulgite 30%, burning ash 20%, glass powder 30%, potato slag 10%, tourmaline powder 5%, polyoxyethylene 5%.
(6) step (3) is isolated the mud after oil slick to pump into plate-and-frame filter press and carry out mechanical dehydration, natural drying, to water ratio 10%, makes auxiliary fuel.
(7) filtrate produced after step (6) press filtration is back to the mud modified stage of step (3).
Deoil rate after testing in whole process reaches 83.7%, and after press filtration, moisture content of the cake is 64%, and the air-dry water ratio through 3 days is down to 17%.
Embodiment 2:
(1) add water oily sludge adjustment water ratio to 95%, filters with 100 object stainless steel filtering nets;
(2) conditioning of mud pH to 7, heats and maintains the temperature at 40 DEG C, and in the mud after filtering, add adjusting material, the mass percent that the addition of adjusting material accounts for dewatered sludge is 7%, stirs 40min with the frequency of 120r/min.
(3) with the ultrasonic wave of 35KHZ frequency, mud is processed while step (2) stirs, stirred rear stopping supersound process, static 20min, be separated upper strata oil slick.
(4) be separated in water-and-oil separator by isolated oil slick, the solid phase residue of gained to be incorporated in coal as fuel for the modified heating phase provides heat energy using the ratio of mass ratio 1:5 after drying, and the burning ash of gained is prepared burden as the one of adjusting material.
(5) by the composition proportion of the adjusting material in step (2) be: atlapulgite 20%, burning ash 30%, glass powder 30%, potato slag 8%, tourmaline powder 4%, polyoxyethylene 8%.
(6) step (3) is isolated the mud after oil slick to pump into plate-and-frame filter press and carry out mechanical dehydration, natural drying, to water ratio 10%, makes auxiliary fuel.
(7) filtrate produced after step (6) press filtration is back to the mud modified stage of step (3).
Deoil rate after testing in whole process reaches 87.4%, and after press filtration, moisture content of the cake is 62%, and the air-dry water ratio through 3 days is down to 15%.
Embodiment 3:
(1) add water oily sludge adjustment water ratio to 95%, filters with 100 object stainless steel filtering nets;
(2) conditioning of mud pH to 7, heats and maintains the temperature at 50 DEG C, and in the mud after filtering, add adjusting material, the mass percent that the addition of adjusting material accounts for dewatered sludge is 7%, stirs 40min with the frequency of 100r/min.
(3) with the ultrasonic wave of 50KHZ frequency, mud is processed while step (2) stirs, stirred rear stopping supersound process, static 20min, be separated upper strata oil slick.
(4) be separated in water-and-oil separator by isolated oil slick, the solid phase residue of gained to be incorporated in coal as fuel for the modified heating phase provides heat energy using the ratio of mass ratio 1:5 after drying, and the burning ash of gained is prepared burden as the one of adjusting material.
(5) by the composition proportion of the adjusting material in step (2) be: atlapulgite 35%, burning ash 30%, glass powder 20%, potato slag 5%, tourmaline powder 5%, polyoxyethylene 5%.
(6) step (3) is isolated the mud after oil slick to pump into plate-and-frame filter press and carry out mechanical dehydration, natural drying, to water ratio 10%, makes auxiliary fuel.
(7) filtrate produced after step (6) press filtration is back to the mud modified stage of step (3).
Deoil rate after testing in whole process reaches 86.0%, and after press filtration, moisture content of the cake is 59%, and the air-dry water ratio through 3 days is down to 13%.
Embodiment 4:
(1) add water oily sludge adjustment water ratio to 95%, filters with 100 object stainless steel filtering nets;
(2) conditioning of mud pH to 9, heats and maintains the temperature at 50 DEG C, and in the mud after filtering, add adjusting material, the mass percent that the addition of adjusting material accounts for dewatered sludge is 8%, stirs 40min with the frequency of 120r/min.
(3) with the ultrasonic wave of 50KHZ frequency, mud is processed while step (2) stirs, stirred rear stopping supersound process, static 20min, be separated upper strata oil slick.
(4) be separated in water-and-oil separator by isolated oil slick, the solid phase residue of gained to be incorporated in coal as fuel for the modified heating phase provides heat energy using the ratio of mass ratio 1:5 after drying, and the burning ash of gained is prepared burden as the one of adjusting material.
(5) by the composition proportion of the adjusting material in step (2) be: atlapulgite 40%, burning ash 20%, glass powder 20%, potato slag 10%, tourmaline powder 5%, polyoxyethylene 5%.
(6) step (3) is isolated the mud after oil slick to pump into plate-and-frame filter press and carry out mechanical dehydration, natural drying, to water ratio 10%, makes auxiliary fuel.
(7) filtrate produced after step (6) press filtration is back to the mud modified stage of step (3).
Deoil rate after testing in whole process reaches 91%, and after press filtration, moisture content of the cake is 62%, and the air-dry water ratio through 3 days is down to 15%.
Claims (6)
1. one kind for the treatment of refinery oleaginousness higher than 30% the adjusting material of sludge treatment, it is characterized in that, mass component proportioning is: atlapulgite 20% ~ 40%, burning ash 20% ~ 30%, glass powder 20% ~ 30%, potato slag 5% ~ 10%, tourmaline powder 1% ~ 5%, polyoxyethylene 5% ~ 8%; Burning ash is that the solid phase residue in the oil slick that reclaims of refinery lignin-sludge burns the ash of gained after drying with mass ratio 1:5 with coal.
2. according to a kind of adjusting material for the treatment of refinery disposal of oily sludge of claim 1, it is characterized in that, potato slag is residue remaining after Ipomoea batatas extracts starch, and grind into powder after drying, particle diameter is 80 ~ 200 orders.
3. according to a kind of adjusting material for the treatment of refinery disposal of oily sludge of claim 1, it is characterized in that, tourmaline powder is tourmalinite raw ore after removing impurity, and through the powder that mechanical disintegration obtains, particle diameter is at 80 ~ 200 orders.
4. utilize the method for the adjusting material process refinery oily sludge of claim 1, it is characterized in that, comprise the following steps:
(1) add water oily sludge adjustment water ratio to 95%, filters with 100 object stainless steel filtering nets;
(2) conditioning of mud pH is between 6 ~ 9, heats and maintains the temperature between 35 ~ 50 DEG C, and in the mud after filtration, add adjusting material, the addition of adjusting material accounts for 5% ~ 8% of the mass percent of dewatered sludge, stirs 40min ~ 60min;
(3) with the ultrasonic wave of 20 ~ 50KHz frequency, mud is processed while step (2) stirs, ultrasonic wave can change mud flocculation structure, intracellular organic matter is discharged, increase the degradability of mud, be conducive to the solid-liquid separation of high-density suspended buoyancy finely ground particles, stopping supersound process after stirring completes, static 20min, is separated upper strata oil slick;
(4) be separated in water-and-oil separator by isolated oil slick, reclaim crude oil, the solid phase residue of gained to be incorporated in coal as fuel as the modified heating phase provides heat energy using the ratio of mass ratio 1:5 after drying;
(5) mud of the removal oil slick after modified for step (3) is pumped into plate-and-frame filter press and carry out mechanical dehydration, natural drying is 10% to water ratio, makes auxiliary fuel;
(6) filtrate produced after step (5) press filtration is back to the sludge treatment stage of step (3), the addition reducing powder adjusting material can be contributed to.
5. according to the method for claim 4, it is characterized in that, the stirring frequency of step (2) is 60 ~ 120r/min.
6. according to the method for claim 4, it is characterized in that, in adjusting material, burning ash is that in step (4), solid phase residue and coal mixed burning produce, and particle diameter is 100 ~ 200 orders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410149252.0A CN103922560B (en) | 2014-04-12 | 2014-04-12 | A kind of adjusting material being applied to refinery oily sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410149252.0A CN103922560B (en) | 2014-04-12 | 2014-04-12 | A kind of adjusting material being applied to refinery oily sludge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103922560A CN103922560A (en) | 2014-07-16 |
| CN103922560B true CN103922560B (en) | 2016-01-20 |
Family
ID=51140995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410149252.0A Expired - Fee Related CN103922560B (en) | 2014-04-12 | 2014-04-12 | A kind of adjusting material being applied to refinery oily sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103922560B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104355525A (en) * | 2014-10-20 | 2015-02-18 | 广西高中阀门制造有限责任公司 | Sludge dewatering treatment method |
| CN106590804A (en) * | 2017-02-06 | 2017-04-26 | 天津市环境保护技术开发中心设计所 | Equipment treating oil-containing sludge to fuel powder |
| CN108358421B (en) * | 2018-02-02 | 2020-10-30 | 华中科技大学 | Method for simultaneously removing water from sludge and preparing solid fuel and product |
| CN113819469A (en) * | 2021-10-15 | 2021-12-21 | 西安热工研究院有限公司 | System and method for incinerating oil sludge by using power station pulverized coal boiler |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757162A (en) * | 2012-08-12 | 2012-10-31 | 周利坤 | Oily sludge treatment process and device |
| CN103693943A (en) * | 2013-12-09 | 2014-04-02 | 北京工业大学 | Method for firing ceramsite with sludge dehydrated through conditioning |
-
2014
- 2014-04-12 CN CN201410149252.0A patent/CN103922560B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757162A (en) * | 2012-08-12 | 2012-10-31 | 周利坤 | Oily sludge treatment process and device |
| CN103693943A (en) * | 2013-12-09 | 2014-04-02 | 北京工业大学 | Method for firing ceramsite with sludge dehydrated through conditioning |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103922560A (en) | 2014-07-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102583915B (en) | Method for processing oily sludge in oil field | |
| CN102452776B (en) | Method for treating oil sludge | |
| CN101633547B (en) | Resource processing method of petroleum-containing sludge in petroleum , comprehensive processing method of petroleum-containing sludge in petroleum and petrochemical and resource recycling method | |
| CN101088942B (en) | Process of treating oil-containing sludge | |
| CN103922560B (en) | A kind of adjusting material being applied to refinery oily sludge | |
| CN100460355C (en) | Method for producing ceramic granule from oil sludge sand | |
| CN108911447B (en) | Polymer-containing oil sludge compound treatment agent and use method thereof | |
| CN107879572B (en) | Treatment method of oily sludge | |
| CN102688881A (en) | Urban kitchen waste recycling utilization and harmless treatment technology | |
| CN102452778B (en) | Processing method of oil sludge | |
| CN104140184B (en) | A kind for the treatment of process of refinery oily sludge | |
| CN101602566A (en) | A kind of novel process for comprehensively treating at oil field oil-containing mud | |
| CN103693833A (en) | Comprehensive treatment method for oily sludge | |
| CN101735851B (en) | Recovery and treatment technology of dirty oil produced in sewage setting tank in produced liquid treatment | |
| CN108314290A (en) | A kind of processing method of oily sludge | |
| CN101786776A (en) | Advanced treatment process of sludge containing oil | |
| CN106316019A (en) | Comprehensive utilization method for petroleum and petrochemical oily sludge resources | |
| CN104230132A (en) | Oilfield oil sludge treatment method | |
| TW201008650A (en) | Method and apparatus for removing unburned carbon from fly ash | |
| CN102732345B (en) | Sludge coal-water slurry and preparation method thereof | |
| CN110422975A (en) | Oily waste hot wash-fine slag high-value-use integrated technique based on gasification Heisui River | |
| CN102432148A (en) | Method for treating oil sludge of tertiary recovery | |
| CN104710089A (en) | Oily sludge dehydration technology | |
| CN106623353B (en) | Consumer waste incineration slag produces recycled aggregate method | |
| CN118047519A (en) | Oily sludge three-phase separation integrated treatment system and process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20190412 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |