CN1105689C - Intermittent treating equipment of floater and oily sludge - Google Patents
Intermittent treating equipment of floater and oily sludge Download PDFInfo
- Publication number
- CN1105689C CN1105689C CN98118747A CN98118747A CN1105689C CN 1105689 C CN1105689 C CN 1105689C CN 98118747 A CN98118747 A CN 98118747A CN 98118747 A CN98118747 A CN 98118747A CN 1105689 C CN1105689 C CN 1105689C
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- oil
- greasy dirt
- scum
- steam
- heavy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The present invention discloses an intermittent scum and filthy oil sludge decomposition treating device which is particularly suitable for scum and filthy oil sludge which are generated in sewage treatment processes of petrochemical plants and oil refineries and for oil sludge deposited in the bottom of various oil tanks. Scum and filthy oil sludge are heated, decomposed and stripped through steam in a reaction kettle; light oil steam and heavy oil steam which are decomposed at the top are respectively cooled to become light oil (gasoline and light diesel oil), heavy oil (heavy diesel oil and wax oil) and sewage containing sulfur; coke is separated at the bottom of the reaction kettle, and the burnt coke can be used as building materials; the light oil and the heavy oil can be used as raw materials in petrochemical plants and oil refineries, and the sewage containing sulfur returns to a sewage field so that the purpose of thorough decontamination is reached. The drawing in the specification is a basic flowsheet of the intermittent scum and filthy oil sludge treating device.
Description
The present invention relates to a kind of intermittent type scum silica frost and greasy dirt decomposing process of being used for, be specially adapted to the scum silica frost that produces in petrochemical complex and the sewage from oil refinery treating processes and the greasy dirt of greasy dirt and various oil tank bottom sediments, make this poisonous and unmanageable waste pollutant be decomposed into lightweight oil (gasoline, light bavin), mink cell focus (heavy gas oil, wax oil), again become Industrial products, thoroughly reach the purpose of decontamination, and do not produce secondary pollution.
Contain a large amount of oil, hydrogen sulfide, phenol, prussiate and water in scum silica frost and the greasy dirt.Outdoor storage has unusual stink, and not even a blade of grass grows by its polluted ground, and the people smells this smell, and the lighter is dizzy to feel sick, vomiting, and weight person poisons and even faints, and loses consciousness.
In order to solve this pollution problem, in the prior art, invest ten million yuan, build an incinerator device, with the ratio of 9 parts oil fuel, its oxidation is burned with 1 part of scum silica frost and greasy dirt.Contain a large amount of sulfide and oil smoke and dust in the gas behind the fuel, thereby cause secondary pollution, Chinese patent specification sheets CN8610176A, though disclosed isolation anaerobic thermal degradation, resultant is further to be processed into the production sorbent material, the sooty raw material, but after the gaseous combustion that decomposites, still contain a large amount of toxic and harmfuls such as sulfide, thoroughly do not solve environment is caused secondary pollution problem, and a large amount of callable rusting in scum silica frost and the greasy dirt are fallen, patent of invention bulletin CN1157265A, though, the pollution problem that can thoroughly solve scum silica frost and greasy dirt, and products obtained therefrom can increase economic benefit, but its investment is big, complex process, owing to there are these shortcomings, this device is not widely used in practice as yet.
The object of the invention provides a kind of intermittent type scum silica frost and greasy dirt decomposing process, and not only process structure is simple for it, and is easy to operate, and under the few especially situation of investment, changes the handling problem of scum silica frost and greasy dirt into the profit type by investment-orientation.
The present invention is achieved in that scum silica frost and greasy dirt is contained in one or more batch reactors, with the heating of reactor bottom.When still top temperature reaches 96-120 ℃, still top exit pipe steams a large amount of water and oil vapour, after cooling, enter oily water separation in the separatory jar, after lightweight oil and water steam, head temperature descends below 96 ℃, and outlet pipe begins cutout, changes another water cooler immediately, reactor bottom feeds an amount of steam stripped, and continues heating.When still top temperature recovery during to 98-275 ℃, the top exit pipe steams a large amount of mink cell focus steam, splitting gas and water vapor, oily water separation in cooling off laggard minute flow container.Splitting gas enters and can be used as the reactor postcombustion in the low pressure vessel, stops heating when head temperature drops to below 200 ℃ once more, continues to feed water vapor, remaining mink cell focus steam in the still is taken out of, and through refrigerated separation.Cut off the water behind the steam, close each outlet pipe, after the cooling of question response still, open the bottom side coke outlet, go out coke, coke can be used as the postcombustion of reactor, and the residue after the burning is yellow-white, nonpoisonous and tasteless, can make material of construction and pavior, reach decontamination, change the purpose of evil for benefit.
Owing to adopt such scheme, in the time of can be with scum silica frost and greasy dirt disaggregating treatment, obtain economic benefit, decompose part and only adopt the reactor heating, feed steam stripped, make very fast the separating of oil content, and it is reduced the consumption of fuel, and simple in structure, easy to operate.
Be described further by inventive embodiment and concrete process drawing below.
Fig. 1 is a principle flow chart of the present invention.
Fig. 2 is a process flow sheet of the present invention.
Among the figure: 1. scum silica frost and greasy dirt inlet tube; 2. mixed stirred pot; 3. reactor inlet pump; 4. reactor; 5. reactor heating zone; 6. lightweight oil water cooler; 7. lightweight oil separating tank; 8. lightweight oil pump; 9. mink cell focus water cooler; 10. mink cell focus separating tank; 11. heavy oil pump; 12. lower pressure tanks; 13. agitator motor; 14.CaO or Ca (OH)
2Add inlet; 15. coke outlet; 16. lightweight oil dilution tube; 17. lightweight oil outlet pipe; 18. mink cell focus delivery port pipe; 19. steam inlet tube; 20. condensation of oil reclaims; 21. light oil tank dehydrating tube; 22. heavy oil tank dehydrating tube.
In Fig. 1, scum silica frost and greasy dirt inlet tube (1), mix to stir and block jar (2), reactor (4) is linked in sequence, reactor (4) is (5) heating through the heating zone, steam (19) stripping, reactor (4) top, respectively with lightweight oil water cooler (6), lightweight oil separating tank (7), mink cell focus water cooler (9), mink cell focus separating tank (10) connects, lightweight oil separating tank (7) oil, separating water outlet through light oil pump output bottom is deviate from by light oil tank dehydrating tube (21), mink cell focus separating tank (10) oil, export through heavy oil pump (11), water outlet is separated in the bottom, after deviating from reactor (4) and react completely by heavy oil tank dehydrating tube (22), open bottom coke outlet (15) and unload Jiao, usually greasy filth is high and mobile relatively poor because of mink cell focus content, coking in reactor, for the conveying that guarantees greasy filth with guarantee that coking is loose, easy decoking, add lightweight oil dilution (16), press 2% to 5% according to the mink cell focus content of greasy filth and add CaO or Ca (OH)
2(14).
In embodiment illustrated in fig. 2, scum silica frost and greasy dirt enter mixed stirred pot (2) by inlet (1), add a certain proportion of lightweight oil (16) and CaO or Ca (OH) according to the character of greasy filth
2(14), stir through agitator motor (13), send into reactor (4) (5) heating by reactor inlet pump (3) through the heating zone, lightweight oil and water vapor enter lightweight oil separating tank (7) through lightweight oil water cooler (6), lightweight oil enters the flowability that mixed stirred pot is regulated greasy filth through light oil pump (a 8) part through lightweight oil dilution tube (16), another part is by lightweight oil output tube (17) carrying device, water is deviate from by light oil tank dehydrating tube (21), after lightweight oil reacts completely, reactor (4) bottom, feed steam by steam inlet tube (19) and carry out stripping, mink cell focus steam, cracking vapour and water vapor enter heavy oil tank (10) through mink cell focus water cooler (9), and mink cell focus is through heavy oil pump (11) mink cell focus output tube (18) carrying device, and water is deviate from by heavy oil tank dehydrating tube (22).Splitting gas enters lower pressure tanks (12), the top splitting gas is sent heating zone (5) back to, lower curtate is deviate from condensation of oil and is reclaimed (20), after reaction is thoroughly finished, when reactor (4) is cooled to below 40 ℃, open coke outlet (15) and draw off coke, can make the postcombustion of heating zone (5), the residue after the burning can be made building materials.
Claims (2)
1. intermittent type scum silica frost and greasy dirt decomposing process, in reactor, with scum silica frost and greasy dirt thermal degradation and stripping, it is characterized in that decomposing with stripping after gas through cool off respectively light oil and heavy oil, reacted coke, question response still cooling back is drawn off by still bottom side coke outlet.
2. according to described intermittent type scum silica frost of claim (1) and greasy dirt treatment process, it is characterized in that adding the light oil dilution, guarantee the greasy filth flowability, add 2% to 5% CaO or Ca (OH) according to the mink cell focus content of greasy dirt
2Guarantee that burnt matter is loose in the reactor, easily decoking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98118747A CN1105689C (en) | 1998-09-01 | 1998-09-01 | Intermittent treating equipment of floater and oily sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98118747A CN1105689C (en) | 1998-09-01 | 1998-09-01 | Intermittent treating equipment of floater and oily sludge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1246449A CN1246449A (en) | 2000-03-08 |
| CN1105689C true CN1105689C (en) | 2003-04-16 |
Family
ID=5226087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98118747A Expired - Fee Related CN1105689C (en) | 1998-09-01 | 1998-09-01 | Intermittent treating equipment of floater and oily sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1105689C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006050645A1 (en) * | 2004-11-15 | 2006-05-18 | East China University Of Science And Technology | A method and an equipment for waste water of cooling coke |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106734172A (en) * | 2017-01-11 | 2017-05-31 | 王传庆 | A kind of processing method containing waste mineral oil soil |
| CN108793650B (en) * | 2017-04-26 | 2021-05-14 | 宝山钢铁股份有限公司 | Treatment method of steel rolling oily sludge |
| CN108844072A (en) * | 2018-07-13 | 2018-11-20 | 新中天环保股份有限公司 | A kind of preprocess method of greasy filth waste material in hazardous Waste Incineration |
-
1998
- 1998-09-01 CN CN98118747A patent/CN1105689C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006050645A1 (en) * | 2004-11-15 | 2006-05-18 | East China University Of Science And Technology | A method and an equipment for waste water of cooling coke |
| US7419608B2 (en) | 2004-11-15 | 2008-09-02 | East China University Of Science And Technology | Treating method and equipment for coke-cooling wastewater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1246449A (en) | 2000-03-08 |
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