CN100457657C - Harmless treatment process and apparatus for oil-containing sludge and sand - Google Patents
Harmless treatment process and apparatus for oil-containing sludge and sand Download PDFInfo
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- CN100457657C CN100457657C CNB2006100773005A CN200610077300A CN100457657C CN 100457657 C CN100457657 C CN 100457657C CN B2006100773005 A CNB2006100773005 A CN B2006100773005A CN 200610077300 A CN200610077300 A CN 200610077300A CN 100457657 C CN100457657 C CN 100457657C
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Abstract
The invention relates to an innocent treatment process of oil-contaminated argillo-arenaceous and an arrangement. It mainly settles the problems of no-reaching environment protection discharging requirement of residue, small handling capacity, weak security and no- realizing industrial treatment for present cracking method of handling oil-contaminated argillo-arenaceous. It characterized in that: the process has the following steps: a, preconditioning, b, heating, c, mixture gas treatment, d, innocent residue treatment; a cracking arrangement is needed to carry out said process, which comprising: a shell (8) mounted in a thermal insulation shell (12), a guard support (14) mounted between the shell and the thermal insulation shell, a conduit (15) in the guard support (14), a screw conveyor (11) mounted in the shell (8), a heat source orifice(13) and a venthole(7) in the thermal insulation shell (12), flexible sealing used in contact site of the shell (8) and the thermal insulation shell (12). The process and the arrangement have the characters of big handling capacity, high security, realizing industrialization treatment.
Description
Technical field:
The present invention relates to the treatment process of oily sandy sludge in crude oil production, the oil refining production process, especially a kind of oily sludge sand processing technique.
Background technology:
At present, in crude oil production, oil refining production process, produce a large amount of oily sandy sludges inevitably.These oily sandy sludge complex shapes, variforms such as solid-state, semi-solid state, fluidization pulpous state have been comprised, complicated component, contain multiple compositions such as crude oil, water, chemical assistant, decompose fully under the natural condition and need the years up to a hundred, naturally do not stack if do not take effective treatment measures or bury, not only directly take a large amount of soils and space, and severe contamination air, soil and underground water.The existing method of handling oily sandy sludge except that stacking naturally and burying, in addition burning method, solidification method, composite fertilizer's method, re-injection method, washing oil method, microbial method, plough treatment process and methods such as method, cracking process, different defectives is all arranged.
Burning method is directly to burn under extra fuel gas or deep-fried twisted dough sticks spare with fluidized-bed or rotary kiln, and working cost height, the heat energy of generation are difficult to utilize, and equipment failure rate is higher; The also employing that has is directly mixed oily sandy sludge in the coal dust or is made moulded coal in the sawdust or be used as and bake bricks fuel or be used as generating; Crude oil is highly seasoned when doing the moulded coal burning, and the user is reluctant to use; The interior fuel of directly doing to bake bricks can produce a large amount of splitting gases reduces brick intensity; As bake bricks outer fuel or generating, because of self or with reasons such as the easy conglomeration of coal dust, calorific value be low, moisture, the user also is unwilling to use.
Solidification method is an agglutinating value(of coal) of utilizing silicate, and oily sandy sludge is cured as building block, temporarily greasy filth is enclosed in the particular space.Because it is common non-burning brick that this method cost is higher than, and only be only applicable to oil-containing, oily sandy sludge that water is low, therefore be difficult to apply.
Composite fertilizer's method is oily sandy sludge and chemical fertilizer, agricultural fertilizer etc. directly to be used behind the heap fermentation by a certain percentage or dry, granulation is sold, because the no any fertilizer efficiency of oily sandy sludge itself, produce, transportation cost is higher, the user is reluctant to use, and composite fertilizer's region is strong, sales difficulty is difficult to the mass consumption oily sludge.
The re-injection method is that oily sludge is stirred to mud again, the profile control face is treated in down-holes, injection oil field such as adding dispersion agent, or as water shutoff material, or injection waste oil well, this method not only is difficult to consume a large amount of mud, and mud chiltern amount, granularity etc. are had relatively high expectations, compare the cost height with other regulating section of oil wells methods, be difficult to apply.
The washing oil method is to utilize washing composition, alkali with the recycling of getting off of the former oil wash in the oily sandy sludge, generally as the interim treatment process of oily sandy sludge at the bottom of the oil tank.Because of its can not handle the low oil-containing mud sand of oil-containing, ageing oil silt particle, with the flocculation agent more oil sludge and sand of the flocculation oil-containing mud sand that produces and asphaltenes, colloid etc. of disposing of sewage, and the silt particle residue oleaginousness after handling is higher, surpass and efflux environmental requirement, cause secondary pollution, the crude oil that obtains after the processing is impure also more, therefore be worth lowlyer, very big defective is arranged in actual applications.
Microbial method and the ground method of ploughing are that oily sludge is sprinkling upon in ground or the earth, and with itself and mixing with soil, the spontaneous microorganism in the dependence soil or the excellent species of artificially breeding decompose organism; Higher because of this method processing cost, be subjected to factor affecting such as envrionment temperature, decomposition rate is slow, and method is ploughed on ground also has potential danger to atmosphere, underground water, has been limited to use, and therefore is difficult to large-scale promotion and uses.
Cracking process divides closed cracking process and limit oxygen burning cracking process; The closed cracking process is the oily sandy sludge that utilizes in the heat encloses container, makes its organic substance be decomposed into the oil gas and the carbon residue that contains heavy oil of recyclable utilization; Because of this method adopts still formula or tower rhythmic reaction, be subjected to current material performance and the low restriction of oily sandy sludge heat transfer efficiency to be difficult to make the oily sandy sludge in the big volume encloses container to reach coking temperature, residue after the processing does not reach the environment protection emission requirement, treatment capacity is little, poor stability, handle the low oily sandy sludge cost height of oil-containing, be difficult to realize heavy industrialization processing oily sandy sludge, therefore this method only only limits to research usefulness in the testing laboratory, be difficult to form industrialized treatment method, apply difficulty; Limit oxygen combustion method is to adopt similar resinous shale, coal system oil tech, allows the part oily sandy sludge burn by the oily sandy sludge of piling up in specific device self cracking, the required heat energy of coking are provided; Because oily sandy sludge complex shape, granularity is little, be difficult to resemble the accumulation mode that is formed with good strength, gap etc. resinous shale, the coal, this method need be done complicated pretreatment and forming processes to oily sandy sludge, the cracked oil yield is low, poor stability, can't handle the oily sandy sludge that contains innage, the processing cost height, investment in fixed assets is big, the equipment complexity, be difficult to realize heavy industrialization processing oily sandy sludge, therefore this method only only limits to research usefulness in the testing laboratory, is difficult to form industrialized treatment method, applies difficulty.
Summary of the invention:
Handle in order to overcome existing cracking process that residue after oily sandy sludge is handled does not reach that environment protection emission requires, treatment capacity is little, poor stability and be difficult to realize the deficiency of industrial treatment, the invention provides a kind of oily sludge sand processing technique, this technology and specific equipment can be handled all kinds of oily sandy sludges, realize the oily sandy sludge resource utilization, cracked oil rate of recovery height, safe and reliable, processing cost is low, fixed investment is few, non-secondary pollution, satisfy environmental requirement, apply easily, can realize extensive continuous industry production.
Technical scheme of the present invention is: a kind of oily sludge sand processing technique, comprise chilling tripping device, cracked oil storing unit, pressurizing device, Safety water seal device and combustion chamber, and this technology is carried out according to the following steps:
A, pre-treatment, with oily sandy sludge dewater, fragmentation;
B, heating, will be pretreated oily sandy sludge add in the cracker and heat, it is big mutually that oily sandy sludge is broken down into mixed gas and innocent residue two;
C, mixture gas treatment, mixed gas is through over-quenching tripping device condensation formation oil, water and non-condensable gas, oil and water enter the cracked oil storing unit, non-condensable gas enters combustion chambers burn through pressurizing device, Safety water seal device successively, and the harmless flue gas of formation is discharged into the atmosphere through the smoke outlet on the cracker; Non-condensable gas is mainly the lower molecular weight hydrocarbon polymer that crack crude produces, and flue gas is carbonic acid gas and water vapour.
D, innocent residue treatment are discharged by the discharge port of innocent residue in slag removing chamber that cracker is separated.
Described Heating temperature scope is between 200 ℃～1000 ℃.
For the cracker of realizing that above-mentioned technology is used, comprise housing, have the outlet of opening for feed and splitting gas on the housing, housing places in the lagging casing, has between housing and the lagging casing to isolate to support, and isolates to support to have passage, housing is built-in with spiral conveyer, housing communicates with slag removing chamber, has thermal source mouth and smoke outlet on the lagging casing, and soft seal is all adopted in the contact position of housing and lagging casing.
Be fixed with chopping mechanism and grid on the opening for feed of described housing, the exit end of housing places in the big sealed letter that is fixed on outside the slag removing chamber, between housing and the big sealed letter refractory seals filler is arranged, and between splitting gas outlet and the lagging casing soft sealed packing is arranged.
Described spiral conveyer is made up of axle and screw-blade, screw-blade is fixed on the axle, one end of axle is connected on the drive shaft, and the two ends of axle place respectively in the sealed letter that is fixed on outside housing and the slag removing chamber, between two sealed letters and the axle refractory seals filler is arranged all.
Described axle is tubular shaft with drive shaft, in described axle inside thermal source is arranged.
Described slag removing chamber comprises slag removing chamber's shell, has level meter, splitting gas outlet, discharge port and venting on slag removing chamber's shell, and the residue spiral conveyer that communicates with discharge port is arranged at slag removing chamber shell bottom, and the residue spiral conveyer links to each other with power set.
Described slag removing chamber internal fixing has the water jet standpipe that communicates with the external pressure water source.
Described thermal source mouth below is connected with the combustion chamber, and the Chang Ran naked light that ignites is arranged in the combustion chamber.
The present invention has following beneficial effect: take above-mentioned a kind of oily sludge sand processing technique, can form a kind of extensive continuous industry production, make the organic substance in the oily sandy sludge be decomposed into recyclable utilization, cracking oil gas and innocent residue that economic worth is high, make the oily sandy sludge non-secondary pollution after the processing, reclaimed the valuable energy when satisfying environmental requirement, has good economic benefit, the oily sandy sludge that can replace the existing all kinds of various forms of present technical finesse, thoroughly solve its problem of environment pollution caused, have good environmental benefit and social benefit.This technology can make full use of self contained energy, energy consumption and working cost are low, realized the oily sandy sludge resource utilization, cracked oil rate of recovery height, safe and reliable, processing cost is low, fixed investment is few, and non-secondary pollution satisfies environmental requirement, apply easily, can realize extensive continuous industry production.
Owing to adopted special-purpose cracker, housing wherein is built-in with spiral conveyer, make above-mentioned technology be easier to extensive continuous industry production, this cracker meets safe and reliable airtight cracking and the incorporate processing requirement of coking, solves the practicability problem of this key equipment of cracker.
Description of drawings:
Accompanying drawing 1 is a process flow sheet of the present invention;
Accompanying drawing 2 is structural representations of cracker 1 among Fig. 1.
1-cracker among the figure, 2-chilling tripping device, 3-cracked oil storing unit, the 4-pressurizing device, 5-Safety water seal device, 6-combustion chamber, the 7-smoke outlet, 8-housing, 9-opening for feed, the outlet of 10-splitting gas, 11-spiral conveyer, 12-lagging casing, 13-thermal source mouth, 14-isolates support, the 15-passage, 16-slag removing chamber, 17-chopping mechanism, 18-grid, the 19-axle, 20-screw-blade, 21-drive shaft, the 22-sealed letter, 23-refractory seals filler, 24-thermal source, 25-slag removing chamber shell, 26-level meter, 27-venting, 28-residue spiral conveyer, 29-water jet standpipe, the big sealed letter of 30-, 31-power set, 32-soft sealed packing, the 33-naked light that ignites, the 34-discharge port, the 35-interchanger.
Embodiment:
The invention will be further described below in conjunction with accompanying drawing:
A kind of oily sludge sand processing technique as shown in Figure 1, comprises chilling tripping device 2, cracked oil storing unit 3, pressurizing device 4, Safety water seal device 5 and combustion chamber 6, and this technology is carried out according to the following steps:
A, pre-treatment, with oily sandy sludge dewater, fragmentation; With the oily sandy sludge prior art pre-treatment that needs are handled, oily sandy sludge wherein relatively large or that viscosity is stronger can utilize the chopping mechanism chopping.
B, heating, pretreated oily sandy sludge is added opening for feed 9, enter cracker 1, oily sandy sludge is rolling in cracker 1 under the effect of spiral conveyer 11 to slag removing chamber's 16 motions, meanwhile oily sandy sludge accept housing 8 external from thermal source heat and spiral conveyer 11 on the heat of hollow axle 19 endogenous pyrogens, the Heating temperature scope is generally between 100 ℃～1000 ℃, cracker 1 internal pressure scope is between-0.1～1.0MPa, and cracker 1 internal pressure generally is controlled at pressure-fired.Evaporated moisture, lighter hydrocarbons in the oily sandy sludge before this in this process, begin processes such as distillation, shallow degree cracking, deep pyrolytic, coking then successively, the cracking top temperature generally is controlled at 550 ℃～750 ℃, contained organism is cracked into till carbon granules and the splitting gas in oily sandy sludge, and it is big mutually that oily sandy sludge is broken down into mixed gas and innocent residue two.Cracking heat is provided by hot blast, flame or the alternate manner that combustion chamber 6 produces, and hot blast, flame or alternate manner and cracking housing contacts portion temperature should be controlled at below 1000 ℃.After the high-temperature gas of tubular shaft 19 endogenous pyrogens on the internal screw conveyors 11 or flame were passed to oily sandy sludge in the housing 8 with most of heat by axle 19, tubular shaft 19 rear ports of spiral conveyer 11 entered atmosphere internally.
C, mixture gas treatment, mixed gas through after interchanger 35 heat exchange again through chilling tripping device 2 condensations formation oil, water and non-condensable gas, the heat that obtains after the heat exchange can be used for the air intake of preheating process furnace or to outside hot-water supply etc., oil and water enter cracked oil storing unit 3, non-condensable gas enters combustion chamber 6 burnings through pressurizing device 4, Safety water seal device 5 successively, the lower molecular weight hydrocarbon polymer that the non-condensable gas main component produces for the crude oil Pintsch process, the non-condensable gas flue gas main component that 6 internal combustion produce in the combustion chamber is carbonic acid gas and water vapour.
Chilling tripping device 2 can use the mode of spraying or spray chilling to make the oil gas cooling, realizes that profit separates with non-condensable gas.Oil in the chilling tripping device 2, water enter in the cracked oil storing unit 3 under artificial or the control of float liquid level setter.
Pressurizing device 4 is realized cracker and the pressure-controlling of chilling tripping device 2 and the conveying of non-condensable gas.
Safety water seal device 5 can make the non-condensable gas safe combustion, avoids tempering to produce blast, is provided with and exhausted normal combustion naked light, major-minor burning things which may cause a fire disaster or the thermal source of cracker 1 interior oil air bound in combustion chamber 6, guarantees that the safety of non-condensable gas reclaims burning, has reduced the energy consumption of this technology.
Chilling tripping device 2, cracked oil storing unit 3, pressurizing device 4, Safety water seal device 5 and combustion chamber 6 are existing apparatus, and each installs concrete structure and repeats no more herein.
D, innocent residue treatment, the main component of the residue that cracker 1 is separated are not oil-containing mud sand and carbon granules, and the discharge port 34 of this innocent residue in slag removing chamber 16 discharged.Residue enters slag removing chamber 16, under the effect of residue spiral conveyer 28, discharges through discharge port 34, and residue further is being used as starting material such as pave the way after the oxidation under waste heat and the oxygen effect; Can utilize water that residue is sprayed this moment, and the water vapour of generation and water-gas are discharged and returned in the cracker 1 from the splitting gas outlet 10 of the upper end of slag removing chamber 16, and cooled residue is discharged through residue spiral conveyer 28 and discharge port 34 again.
Utilize this technology can form a kind of extensive continuous industry production, make organic substance in the oily sandy sludge be decomposed into recyclable utilization, cracking oil gas and innocent residue that economic worth is high, make the oily sandy sludge non-secondary pollution after the processing, reclaimed the valuable energy when satisfying environmental requirement, has good economic benefit, the oily sandy sludge that can replace the existing all kinds of various forms of present technical finesse, thoroughly solve its problem of environment pollution caused, have good environmental benefit and social benefit.This technology can make full use of self contained energy, energy consumption and working cost are low, realized the oily sandy sludge resource utilization, cracked oil rate of recovery height, safe and reliable, processing cost is low, fixed investment is few, and non-secondary pollution satisfies environmental requirement, apply easily, can realize extensive continuous industry production.
This technology can also be used to handling other municipal sludge sand that contains organic material, chemical engineering sludge sand except handling the oily sandy sludge, make it thoroughly innoxious, and makes it become a kind of good fuel oil gas raw materials for production; Also can be used for handling other oleaginous materials such as resinous shale, tar sand etc., make it thoroughly innoxious, and make it become a kind of good fuel oil gas raw materials for production; Also can be used for handling other waste,, make it thoroughly innoxious, and make it become a kind of good oil fuel, fuel gas raw materials for production or charing raw material as straw, bagasse etc.
In order to realize the used cracker of above-mentioned technology 1, as shown in Figure 2, comprise housing 8, have opening for feed 9 and splitting gas outlet 10 on the housing 8, housing 8 places in the lagging casing 12, have between housing 8 and the lagging casing 12 to isolate and support 14, isolate to support on 14 having passage 15, housing 8 is built-in with spiral conveyer 11, and housing 8 communicates with slag removing chamber 16, have thermal source mouth 13 and smoke outlet 7 on the lagging casing 12, housing 8 all adopts soft seal with the contact position of lagging casing 12.
During actual the use, oily sandy sludge enters in the housing 8 from opening for feed 9, spiral conveyer 11 rotates and makes oily sandy sludge movement continuously in housing 8, stirring, realizes that oily sandy sludge enters and derive the purpose of housing 8, has also solved the slow-footed problem of static oily sandy sludge internal heat transfer simultaneously.
Used cracker in a kind of oily sludge sand processing technique as shown in Figure 2, comprises housing 8, has opening for feed 9 and splitting gas outlet 10 on the housing 8, and housing 8 is selected the high-temperature refractory steel manufacturing for use, has better heat-resisting intensity and heat-conductive characteristic.Be fixed with chopping mechanism 17 and grid 18 on the opening for feed 9 of housing 8, can shred the bulk oily sandy sludge solid that intensity is higher or viscosity is extremely strong, avoid its obstruction, damage internal screw conveyors 11.Housing 8 places in the lagging casing 12, have between housing 8 and the lagging casing 12 to isolate and support 14, isolate to support on 14 and have passage 15, housing 8 is built-in with spiral conveyer 11, spiral conveyer (11) is made up of axle 19 and screw-blade 20, screw-blade 20 forces to strike off oily sandy sludge and the residue that sticks on housing 8 inwalls, solves the problem that oily sandy sludge and residue thermal resistance are big, housing 8 temperature requirements are high.Screw-blade 20 is fixed on the hollow axle 19, and there is thermal source 24 axle 19 inside, have improved the heating efficiency to oily sandy sludge, has also avoided some oily sandy sludge to stick on the outer wall of axle 19 simultaneously.One end of axle 19 is connected on the drive shaft 21, and the two ends of axle 19 place respectively in the sealed letter 22 that is fixed on outside housing 8 and the slag removing chamber 16, between two sealed letters 22 and the axle 19 refractory seals filler 23 are arranged all, have realized the rotary seal of axle 19.Housing 8 communicates with slag removing chamber 16, in the housing 8 after processes such as distillation, shallow degree cracking, deep pyrolytic, coking remaining residue enter in the slag removing chamber 16, have thermal source mouth 13 and smoke outlet 7 on the lagging casing 12, thermal source mouth 13 belows are connected with combustion chamber 6, can use geseous fuel in the combustion chamber 6, available liquid or solid fuel, when using geseous fuel, the Chang Ran naked light 33 that ignites is arranged in the combustion chamber 6, the flame of fuel combustion and flue gas enter the annular space of housing 8 and lagging casing 12 from thermal source mouth 13, and housing 8 is heated.Slag removing chamber 16 comprises slag removing chamber's shell 25, have level meter 26, splitting gas outlet 10, discharge port 34 and venting 27 on slag removing chamber's shell 25, the residue spiral conveyer 28 that communicates with discharge port 34 is arranged at slag removing chamber's shell 25 bottoms, and residue spiral conveyer 28 links to each other with power set 31.
As shown in Figure 2, on the basis of embodiment 1, the exit end of housing 8 places in the big sealed letter 30 that is fixed on outside the slag removing chamber 16, between housing 8 and the big sealed letter 30 refractory seals filler 23 is arranged, the exit end of housing 8 can slide in big sealed letter 30, between splitting gas outlet 10 and the lagging casing 12 soft sealed packing 32 is arranged, avoid housing 8 to damage lagging casing 12 because of expanding with heat and contract with cold.
Embodiment 3
As shown in Figure 2, on the basis of embodiment 1 or 2, level meter 26, splitting gas outlet 10, discharge port 34 and venting 27 are installed on slag removing chamber's shell 25 of slag removing chamber 16, the residue spiral conveyer 28 that communicates with discharge port 34 is arranged at slag removing chamber's shell 25 bottoms, and residue spiral conveyer 28 links to each other with power set 31.The water jet standpipe 29 that communicates with the external pressure water source is arranged at slag removing chamber's 16 internal fixing, spray water in right amount to hot-engine sludge and to produce water vapour and water-gas, make water vapour can with just contact at cracked high temperature oily sandy sludge, under the effect of oily sandy sludge self natural catalyst, improved the cracked oil rate of recovery, reduce carbon residue content, increased non-condensable gas output, also solved the problem of dust pollution simultaneously.
Above-mentioned cracker, combustion chamber, chilling tripping device, supply and drain water system, non-condensable gas pressurizing device, Safety water seal device, cracked oil storing unit etc., and the accident blowdown system connects by pipeline and pipe fitting.
Claims (9)
1, a kind of oily sludge sand processing technique comprises chilling tripping device (2), cracked oil storing unit (3), pressurizing device (4), Safety water seal device (5) and combustion chamber (6), and it is characterized in that: this technology is carried out according to the following steps:
A, pre-treatment, with oily sandy sludge dewater, fragmentation;
B, heating, will be pretreated oily sandy sludge add in the cracker (1) and heat, it is big mutually that oily sandy sludge is broken down into mixed gas and innocent residue two;
C, mixture gas treatment, mixed gas forms oil, water and non-condensable gas through over-quenching tripping device (2) condensation, oil and water enter cracked oil storing unit (3), non-condensable gas passes through pressurizing device (4) successively, Safety water seal device (5) enters combustion chamber (6) burning, and the harmless flue gas of formation is discharged into the atmosphere through the smoke outlet (7) on the cracker (1);
D, innocent residue treatment are discharged by the discharge port (34) of innocent residue in slag removing chamber (16) that cracker (1) is separated.
2, a kind of oily sludge sand processing technique according to claim 1, it is characterized in that: the Heating temperature scope is between 200 ℃～1000 ℃.
3, a kind of oily sludge sand processing technique according to claim 1, it is characterized in that: described cracker (1) comprises housing (8), have opening for feed (9) and splitting gas outlet (10) on the housing (8), housing (8) places in the lagging casing (12), have between housing (8) and the lagging casing (12) to isolate and support (14), isolate to support on (14) and have passage (15), housing (8) is built-in with spiral conveyer (11), housing (8) communicates with slag removing chamber (16), have thermal source mouth (13) and smoke outlet (7) on the lagging casing (12), housing (8) all adopts soft seal with the contact position of lagging casing (12).
4, a kind of oily sludge sand processing technique according to claim 3, it is characterized in that: be fixed with chopping mechanism (17) and grid (18) on the opening for feed (9) of housing (8), the exit end of housing (8) places and is fixed in the outer big sealed letter (30) of slag removing chamber (16), between housing (8) and the big sealed letter (30) refractory seals filler (23) is arranged, between splitting gas outlet (10) and the lagging casing (12) soft sealed packing (32) is arranged.
5, a kind of oily sludge sand processing technique according to claim 3, it is characterized in that: spiral conveyer (11) is made up of axle (19) and screw-blade (20), screw-blade (20) is fixed on the axle (19), one end of axle (19) is connected on the drive shaft (21), the two ends of axle (19) place respectively in the sealed letter (22) that is fixed on outside housing (8) and the slag removing chamber (16), between two sealed letters (22) and the axle (19) refractory seals filler (23) are arranged all.
6, a kind of oily sludge sand processing technique according to claim 5 is characterized in that: axle (19) is tubular shaft with drive shaft (21), in described axle (19) inside thermal source (24) is arranged.
7, a kind of oily sludge sand processing technique according to claim 3, it is characterized in that: slag removing chamber (16) comprises slag removing chamber's shell (25), have level meter (26), splitting gas outlet (10), discharge port (34) and venting (27) on slag removing chamber's shell (25), the residue spiral conveyer (28) that communicates with discharge port (34) is arranged at slag removing chamber's shell (25) bottom, and residue spiral conveyer (28) links to each other with power set (31).
8, according to claim 3 or 7 described a kind of oily sludge sand processing techniques, it is characterized in that: slag removing chamber (16) internal fixing has the water jet standpipe (29) that communicates with the external pressure water source.
9, a kind of oily sludge sand processing technique according to claim 3 is characterized in that: thermal source mouth (13) below is connected with combustion chamber (6), and the Chang Ran naked light (33) that ignites is arranged in combustion chamber (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100773005A CN100457657C (en) | 2006-04-25 | 2006-04-25 | Harmless treatment process and apparatus for oil-containing sludge and sand |
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| CNB2006100773005A CN100457657C (en) | 2006-04-25 | 2006-04-25 | Harmless treatment process and apparatus for oil-containing sludge and sand |
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| CN100457657C true CN100457657C (en) | 2009-02-04 |
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| CN1388764A (en) * | 2000-09-13 | 2003-01-01 | Tsl环境工程管理保护有限公司 | Plasma process for removing hydrocarbons from sludge in petroleum storage cylinder and adaptative apparatus |
| CN1418738A (en) * | 2002-12-17 | 2003-05-21 | 天津大学 | Method and equipment for pyrolysis and gasification treatment of solid wastes |
| WO2004101452A1 (en) * | 2003-05-14 | 2004-11-25 | Bio 3D Applications | Thermal waste recycling system and method and application thereof in the treatment of high-water-content waste |
| WO2004101451A1 (en) * | 2003-05-15 | 2004-11-25 | Szu-Jen Chien | A process for separating oil from oil sludges |
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| CN1843984A (en) | 2006-10-11 |
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Assignee: Nantian Industrial Co., Ltd., Daqing High-tech. Industrial Development Zone Assignor: Daqing Oilfield Establishment Group Co., Ltd. Contract record no.: 2011230000219 Denomination of invention: Harmless treatment process and apparatus for oil-containing sludge and sand Granted publication date: 20090204 License type: Exclusive License Open date: 20061011 Record date: 20110822 |
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