CN101020792B - Process of preparing rubber filler with oil-bearing sludge - Google Patents
Process of preparing rubber filler with oil-bearing sludge Download PDFInfo
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- CN101020792B CN101020792B CN 200610128338 CN200610128338A CN101020792B CN 101020792 B CN101020792 B CN 101020792B CN 200610128338 CN200610128338 CN 200610128338 CN 200610128338 A CN200610128338 A CN 200610128338A CN 101020792 B CN101020792 B CN 101020792B
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Abstract
The present invention relates to process of preparing rubber filler with oil-bearing sludge, and belongs to the field of environment protecting and solid waste resource utilizing technology. Oil-bearing sludge is produced into rubber filler through the technological process including wet or dry crushing, separating to eliminate 200 mesh over grains, wet grinding to reach powder granularity of D50 not greater than 3.0 micron and D90 not greater than micron, dewatering the slurry to water content lower than 40 %, drying to water content lower than 0.4 %, and sieving to obtain powder smaller than 200 mesh as the rubber filler. The present invention can utilize oil-bearing sludge resource and is environment friendly.
Description
Technical field:
The present invention relates to a kind of method of preparing rubber filler with oil-bearing sludge, belong to environment protection and solid waste resource recovery and utilize technical field.
Background technology:
Oil field oil-containing mud is the by product of disposing polluted water in oil in the oil production process; Be raising water treatment and preservative effect and water quality in the WWT after carrying out dehydrating of crude oil; A large amount of calcium, magnesium, sodium, potash property material have been added; Thereby produce a large amount of oily sludges; These sludge components are complicated, belong to heterogeneous system and are generally oil-in-water W/O or water-in-oil O/W and solid matter composition, and its major ingredient is lime carbonate, calcium sulfate, clay, other sal materials and a spot of mineral wet goods.
The processing of oily sludge and application are more scabrous problems in oil field, the world environment protection process.The method of handling oily sludge at present both at home and abroad is a lot.Concrete treatment process and relative merits are following:
(1) natural mummification method is handled oily sludge.Mud relies on gravity settling, dehydration by evaporation in this technology.Through after leaving standstill for a long time the sewage on upper strata being reclaimed, transport outward landfill by the labor cleaning after the mummification of bottom mud nature.Though this technology is simple, sewage regular meeting overflows from the pond, and near the pollution once more of environment causing should not too much be recommended to use.
(2) concentrate the mummification method.The mummification method processing of concentrating needs bigger drying bed, otherwise mud time of dehydration by evaporation in drying bed is not enough, can make the water ratio of dewatered sludge higher, brings difficulty for the cleaning transportation.In addition, if the mud oleaginousness that concentration basin comes out is high, then greasy filth can stop up the permeable layer hole of drying bed, and water can't see through permeable layer and make sludge drying bed ineffective.
(3) mechanical dehydration method.This method is to utilize different dewatering machines that oily sludge is carried out processed.Mechanical dehydration method treatment process is cumbersome, and China once had a plurality of oil fields to introduce the plant dehydration equipment, but operation back cost is too high, and dehydrating effect is undesirable and inactive.
(4) high temperature process for treating oil-containing sludge.Pyroprocessing is a kind of technology that is widely used in the oily sludge harmless treatment at present abroad.Oily sludge is heated to more than the water boiling point under aerobic conditions, the temperature below the hydrocarbons cracking temperature; Hydrocarbons and water are evaporated; The residue body refuse can reach BDAT (EPA is by the processing standard of specified best illustration effective technology) requirement, and hydrocarbons can be recycled.China only is in the technology introduction digestion phase at the pyroprocessing technical elements.
(5) SX treatment process.SX as a kind of in order to remove mud institute entrained oil with other organic unit operation technology and by broad research.After organic waste are come out by solvent extraction from mud, from mixture, separate solvent through distillation and to recycle.Body refuse can both reach the BDAT requirement mostly after extraction, and refiltered oil then is used for freshening.In the exploitation of SX treatment technology, China equally only is in the technology introduction digestion phase, does not drop into industrial applications at present.
(6) oily sludge biologic treating technique.Biological prosthetic becomes a kind of new reliable green technology owing to administering pollution in wide area, has obtained the approval of world environmental administration.With chemistry, physical method compares, biological prosthetic has many advantages, as cost less, little or the like to environmental influence.But biological treatment needs oily sludge is mixed with fluffy powder, fertilizer and cultivation liquid, often stirs and natural ventilation, lasts length, and oily resource can't be recycled simultaneously.
(7) burning method.The essence of oily sludge burning disposal is the high temperature oxidation of mud.Burning method has and subtracts appearance, stable and innoxious effect significantly; But this method also has significant disadvantages, and not only one-time investment is big, also have problems such as calorific value is low, operation working cost height, and produced multiple harmful substances and the obnoxious flavour that causes secondary pollution in the burning process, and oily resource can't be recycled.
By on can know that the improvement of oily sludge still be badly in need of to improve technically and improves, all kinds of treatment technologies all have its relative merits; And the main purpose of most of oily sludge treatment technologies only is the water cut that reduces in the mud, and the volume that reduces mud is so that transportation and ultimate disposal.In oily sludge treatment technology exploitation, do not take into full account mostly turn bane into boon, factor such as comprehensive utilization.
Lime carbonate as rubber filler mainly is light calcium carbonate, and its working method comprises the refining and links such as mediation, carbonization, grinding, dehydration, drying of the firing of limestone mine exploitation, lime, lime slaking, thick slurries, and technology is complicated; Engineering, equipment and production cost are all higher, but the product of different stage, and its production technique, equipment are different; For example, nearly all lime carbonate factory, its common light calcium carbonate does not all pass through regrinding; Therefore; Its product granularity big (according to national standard, 100% all powders are all through 120 mesh sieves, and 99.95% powder gets final product through 325 mesh sieves); Product after grinding is a little then sold as calcium carbonate superfine powder, and the product price is also higher relatively.
Because oily sludge has possessed physics and chemical feature after light calcium carbonate operation premenstruum (like the firing of lime, digest, refining and the mediation and the carbonization etc. of thick slurries) is handled; Therefore; When utilization oily sludge exploitation packing agent; After adopting simple process such as suitable grinding, dehydration and drying to handle, can obtain a kind of excellent property, rubber filler with low cost.
Summary of the invention:
To the objective of the invention is the defective that exists in the above-mentioned prior art in order overcoming, to design a kind of oily sludge that reduces and pollute and it is carried out the method for the preparing rubber filler with oil-bearing sludge of resource utilization
The method of preparing rubber filler with oil-bearing sludge of the present invention is to adopt wet type or dry type disintegrating process to pulverize oily sludge; Powder to after pulverizing separates, and rejects the above particle of 200 orders; Then, carry out wet grinding, make the powder granule particle diameter reach D50≤3.0 μ m, D90≤6 μ m; Powder slurries after the grinding are after dehydration, and water ratio is less than 40%; Then mud cake is broken up drying, make its water ratio less than 0.4%; Sieve with screening plant, obtain the powder below 200 orders, the oil-containing packing agent that can obtain to have higher using value.
The invention has the beneficial effects as follows and can oil field oil-containing mud be prepared as the rubber filling agent; The oil field oil-containing sludge components that is processed is mainly lime carbonate, calcium sulfate, red stone, sal material and a spot of MO; Can not produce obviously influence after they join in the rubber, and the MO in the oily sludge also can play the effect of tenderizer and softening agent in the Rubber processing process to rubber quality and performance; Raising is to the wetting capacity of packing agent, thereby packing agent is uniformly dispersed; Therefore, the residual oil in the mud not only can be not influential to rubber product, but also can reduce production costs, and improves the rubber quality.After using this packing agent, can increase the product of rubber and plastic volume, reduce cost, improve processing characteristics, improve dimensional stability and physicals etc.Compare with general precipitated calcium carbonate fillers agent; The oil-containing packing agent of using the present invention's acquisition is after being applied to rubber item; Some characteristic of its rubber item is like the bridging property of rubber, hardness, abrasion etc., more superior than the rubber item that uses the precipitated calcium carbonate fillers agent to obtain.A kind of new oil field oil-containing sludge treatment technology both was provided, can have promoted the oil field cleaner production again, reduced solid useless discharging, realized the resource utilization of oil field oil-containing mud; And can realize the energy and resources, safeguard environmental ecology harmony and balance; Therefore, have bigger economic benefit, society, environmental benefit.
Embodiment:
Embodiment 1: oily sludge, and after the pulverizing of disintegrating apparatus dry type, water furnishing slurry separates removes particle diameter greater than 200 purpose coarse particless; Then slurries are ground, being ground to powder granule D50 is after 3.0 μ m, D90 are 6 μ m, to dewater; Dehydration back is moisture 40%, carries out drying, dry back moisture 0.4%; Sieve with 200 purpose screen clothes, obtain the oil-containing packing agent.
This oil-containing packing agent is carried out the rubber engineering experiment as rubber filler, and the precipitated calcium carbonate fillers agent of using with rubber plant is reference, and its prescription is: 100 parts of tree elastomers add 40 parts of oil-containing packing agents; At this moment, rubber item is with similar with the effect of precipitated calcium carbonate fillers agent, and its bridging property, hardness are more excellent with the effect of precipitated calcium carbonate fillers agent.
Embodiment 2: the oily sludge slurry, through after the case of wet attrition, separate and remove particle diameter greater than 200 purpose coarse particless; Then slurries are ground, the particle D50 that is ground in the slurry after 1.6 μ m, D90 are 4.0 μ m, dewaters; Dehydration back is moisture 32%, carries out drying, obtains moisture 0.34% powder after the drying; Sieve with 200 purpose screen clothes then, obtain the oil-containing packing agent.
This oil-containing packing agent is carried out the rubber engineering experiment as rubber filler, and the precipitated calcium carbonate fillers agent of using with rubber plant is reference, and its prescription is: 100 parts of viton add 65 parts of oil-containing packing agents; At this moment, rubber item is with similar with the effect of precipitated calcium carbonate fillers agent, and its bridging property, hardness, abrasion are more excellent with the effect of precipitated calcium carbonate fillers agent.
Claims (3)
1. the method for a preparing rubber filler with oil-bearing sludge is characterized in that the powder of oily sludge after disintegrating process is pulverized separated, and rejects the above particle of 200 orders, grinds to make the powder granule particle diameter reach D50≤3.0 μ m, D90≤6 μ m again; Powder slurries after the grinding are after dehydration, and water ratio is less than 40%; Then mud cake is broken up drying, make its water ratio, sieve, obtain the oil-containing packing agent below 200 orders with screening plant less than 0.4%.
2. the method for preparing rubber filler with oil-bearing sludge according to claim 1, it is characterized in that oily sludge is pulverized through the disintegrating apparatus dry type after, water furnishing slurry separates removes particle diameter greater than 200 purpose coarse particless; Then slurries are ground, being ground to powder granule D50 is after 3.0 μ m, D90 are 6 μ m, to dewater; The dehydration back is moisture less than 40%, carries out drying, and dry back water ratio is less than 0.4%; Sieve with 200 purpose screen clothes, obtain the oil-containing packing agent.
3. the method for preparing rubber filler with oil-bearing sludge according to claim 1 is characterized in that the oily sludge slurry through after the case of wet attrition, separates and removes particle diameter greater than 200 purpose coarse particless; Then slurries are ground, the particle D50 that is ground in the slurry after 1.6 μ m, D90 are 4.0 μ m, dewaters; The dehydration back is moisture less than 40%, carries out drying, and dry back water ratio is less than 0.4%; Sieve with 200 purpose screen clothes then, obtain the oil-containing packing agent.
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| CN 200610128338 CN101020792B (en) | 2006-11-24 | 2006-11-24 | Process of preparing rubber filler with oil-bearing sludge |
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| CN 200610128338 CN101020792B (en) | 2006-11-24 | 2006-11-24 | Process of preparing rubber filler with oil-bearing sludge |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101983979A (en) * | 2010-04-26 | 2011-03-09 | 青岛科技大学 | Resource recovery method of residue from water injection in oil field and application |
| CN101914233A (en) * | 2010-09-06 | 2010-12-15 | 广东绿由环保科技股份有限公司 | Rubber filling agent prepared from oil-containing sludge and production method thereof |
| CN102391694B (en) * | 2011-09-08 | 2013-08-07 | 金华冠华水晶有限公司 | Method for preparing plastic filler from waste residue in crystal industry |
| CN102766285A (en) * | 2012-07-23 | 2012-11-07 | 张俊峰 | Production process for preparing reclaimed rubber through sewage oil sludge |
| CN102898562A (en) * | 2012-10-31 | 2013-01-30 | 中国石油化工股份有限公司 | Method for preparing elastic particle flooding/profiling agent |
| CN103739186B (en) * | 2014-01-13 | 2016-06-22 | 佛山市金凯地过滤设备有限公司 | The method that the modulation of a kind of mud is modified |
| CN113860691A (en) * | 2021-10-20 | 2021-12-31 | 河北工业大学 | Preparation method of sludge reinforced high-elasticity rubber filler |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282748A (en) * | 2000-08-22 | 2001-02-07 | 华东理工大学 | Composite filler of waste paper-making pulp, slurry and fibres and its application in preparing plastics |
| CN1554712A (en) * | 2003-12-23 | 2004-12-15 | 长沙矿冶研究院 | Preparation method of zinc ferrite pigment powder |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282748A (en) * | 2000-08-22 | 2001-02-07 | 华东理工大学 | Composite filler of waste paper-making pulp, slurry and fibres and its application in preparing plastics |
| CN1554712A (en) * | 2003-12-23 | 2004-12-15 | 长沙矿冶研究院 | Preparation method of zinc ferrite pigment powder |
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| JP平4-66200A 1992.03.02 |
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Assignee: SINOPEC Zhongyuan Petroleum Exploration Bureau Investigation, Design & Research Institute Assignor: Inst. of Petroleum Production Engineering Techn, Zhongyuan Oil Field Co., SINOPE Contract record no.: 2012410000006 Denomination of invention: Process of preparing rubber filler with oil-bearing sludge Granted publication date: 20120111 License type: Exclusive License Open date: 20070822 Record date: 20120228 |