CN107500501A - A kind of oil plant oily sludge disposal system and method - Google Patents
A kind of oil plant oily sludge disposal system and method Download PDFInfo
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- CN107500501A CN107500501A CN201710572151.8A CN201710572151A CN107500501A CN 107500501 A CN107500501 A CN 107500501A CN 201710572151 A CN201710572151 A CN 201710572151A CN 107500501 A CN107500501 A CN 107500501A
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- 239000010802 sludge Substances 0.000 title claims abstract description 106
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000004227 thermal cracking Methods 0.000 claims abstract description 60
- 238000005119 centrifugation Methods 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 159
- 239000003921 oil Substances 0.000 claims description 117
- 239000012071 phase Substances 0.000 claims description 32
- 239000008346 aqueous phase Substances 0.000 claims description 27
- 238000005469 granulation Methods 0.000 claims description 27
- 230000003179 granulation Effects 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000007790 solid phase Substances 0.000 claims description 24
- 238000003776 cleavage reaction Methods 0.000 claims description 22
- 230000007017 scission Effects 0.000 claims description 22
- 238000003860 storage Methods 0.000 claims description 19
- 238000001035 drying Methods 0.000 claims description 18
- 238000005336 cracking Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 15
- 239000002893 slag Substances 0.000 claims description 15
- 238000005191 phase separation Methods 0.000 claims description 11
- 239000003463 adsorbent Substances 0.000 claims description 10
- 239000003814 drug Substances 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- 239000003208 petroleum Substances 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 238000006477 desulfuration reaction Methods 0.000 claims description 4
- 230000023556 desulfurization Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000153 supplemental effect Effects 0.000 claims description 4
- 239000012855 volatile organic compound Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 description 9
- 231100000719 pollutant Toxicity 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 239000011499 joint compound Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000001925 catabolic effect Effects 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003500 flue dust Substances 0.000 description 3
- 238000005504 petroleum refining Methods 0.000 description 3
- 108090000623 proteins and genes Proteins 0.000 description 3
- 239000010801 sewage sludge Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- -1 bioxin Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
-
- 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
-
- 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
-
- 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
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/127—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering by centrifugation
-
- 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
-
- 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
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention provides a kind of oil plant oily sludge disposal system, it realizes the harmless treatment of oily sludge, the effective recycling treatment and Utilizing question for solving oily sludge, designed simultaneously using skidization, it is compact-sized, floor space is small, including the greasy filth reservoir being connected, quenched unit, centrifugal treating unit, it is granulated desiccation unit, thermal cracking unit, tail gas treating unit, the quenched unit, centrifugal treating unit, desiccation unit is granulated to be separately positioned on the quenched integrated prying body of centrifugation desiccation, the tail gas treating unit, thermal cracking unit is separately positioned on thermal cracking tail gas and integrated on prying body, in addition present invention also offers a kind of oil plant oily sludge method of disposal.
Description
Technical field
The present invention relates to oil-sludge treatment field, specially a kind of oil plant oily sludge disposal system and method.
Background technology
Oily sludge is put into《Danger wastes register》, include danger wastes（HW08 classes）It is managed, containing greasy dirt
Sludge-polluted composition is mainly organic compound, and based on petroleum substance, China's disposal of oily sludge does not obtain enough attention,
In addition oily sludge species is various, and property is complicated, and diversified trend is also presented in corresponding treatment technology and equipment, and wherein refinery contains
Greasy dirt is mainly derived from the mud of refinery three, comprising oil interceptor sludge, floation tank scum silica frost, petroleum tank bed mud etc., refinery's oil-containing at present
Sludge Disposal Techniques are broadly divided into mechanical dehydration technique, sludge drying process, outward transport burning process.
Mechanical dehydration technique method of disposal is simple, ripe, but the sludge moisture content after being dehydrated is still 80% or so, aqueous
Amount is high, and the total scale of construction of sludge is not greatly reduced, and still takes substantial amounts of stockyard, and because moisture is high, having in sludge
Fall ill bacterium and the anaerobe amount reproduction in the case of proper temperature, produce foul gas, cause the hidden of environment and health
Suffer from；A kind of oil plant oily sludge desiccation of Publication No. CN205974231U Invention Announce and treating tail gas integrated treatment
System, the system can make greasy filth moisture content be down to 30% from 90%, but the sludge after desiccation disposal is not reaching to the harmless of sludge
Change disposal, the sludge after its desiccation is still needed to dispose as dangerous waste, and blades type drying machine, blades type drying machine are used in the invention
It is larger with floor space, the shortcomings of drying time is long；Burning process is transported outward, due to belonging to security sensitive region in refinery, sternly
Taboo use naked light, and high disposal costs can be produced by transporting outward incineration disposal, and due to the high incineration disposal of sludge moisture content during
The situation of burn incompletely can be caused, the product of burn incompletely can cause secondary environmental pollution by tail gas.
The content of the invention
It is an object of the invention to provide a kind of oil plant oily sludge disposal system, and it realizes the innoxious place of oily sludge
Reason, the effective recycling treatment and Utilizing question for solving oily sludge, while designed using skidization, it is compact-sized, take up an area
Area is small, and present invention also offers a kind of oil plant oily sludge method of disposal in addition.
Its technical scheme is such：A kind of disposal system of oil plant oily sludge, it is characterised in that：Including being connected
Greasy filth reservoir, quenched unit, centrifugal treating unit, be granulated desiccation unit, thermal cracking unit, tail gas treating unit, the tune
The quenched rear feeding centrifugal treating unit of oily sludge from the greasy filth reservoir is carried out the solid three-phase separate of profit by matter unit
From aqueous phase and oil phase difference categorised collection, solid phase feeding granulation desiccation unit granulation desiccation are re-fed into the thermal cracking unit and entered
Row thermal cracking, the oil gas for cracking to obtain aqueous phase and oil phase difference categorised collection, the dry slag discharge after cracking, institute after Oil-gas Separation
State and be granulated tail gas feeding tail gas treating unit processing caused by desiccation unit and the thermal cracking unit, the quenched unit,
Centrifugal treating unit, granulation desiccation unit are separately positioned on quenched centrifugation desiccation and integrated on prying body, the tail gas treating unit, heat
Cracking unit is separately positioned on thermal cracking tail gas and integrated on prying body.
Further, the quenched unit includes quenched tank, the output end of the greasy filth reservoir by sludge delivery pump with
The input of the quenched tank is connected, and the quenched tank is connected with grug feeding jar, it is quenched after oily sludge from the quenched tank
Output end input centrifugal treating unit.
Further, the centrifugal treating unit includes horizontal screw centrifuge, and the output end connection of the quenched tank is described sleeping
The input of screw centrifuge, the oil phase output end connection abjection oil tank of the horizontal screw centrifuge, the water of the horizontal screw centrifuge
Phase output terminal connection abjection water storage tank, the solid phase output end connection granulation desiccation unit of the horizontal screw centrifuge.
Further, the granulation desiccation unit includes being granulated desiccation machine, and solid phase is by high thick mud screw rod conveyor from institute
The solid phase output end for stating horizontal screw centrifuge is sent into granulation desiccation machine, and the granulation desiccation machine is connected with steam generator, described
The silt of granulation desiccation machine goes out end and silt is sent into the thermal cracking unit by elevator, and the tail gas of the granulation desiccation machine is defeated
Go out end and tail gas is sent into tail gas treating unit by being granulated drying tail gas disposal air-introduced machine；
Further, the thermal cracking unit includes apparatus for thermal cleavage, and silt is sent into by the elevator by sealing feed hopper
In the apparatus for thermal cleavage, the input of the oil gas output end connection oil gas heat exchanger of the apparatus for thermal cleavage, oil phase passes through institute
In the oil phase output end input cracking oil tank for stating oil gas heat exchanger, aqueous phase is defeated by the aqueous phase output end of the oil gas heat exchanger
Enter to condense in water storage tank, condensible gas does not pass through petroleum vapor recovery air-introduced machine from the not condensible gas output end of the oil gas heat exchanger
Input in the apparatus for thermal cleavage, the tail gas output end of the apparatus for thermal cleavage disposes air-introduced machine by hot tearing by thermal cracking tail gas
Solution tail gas enters the tail gas treating unit；
Further, the tail gas treating unit includes the cyclone dust removal that is connected with the tail gas output end of the apparatus for thermal cleavage
Machine, the input of the output end connection vent gas treatment heat exchanger of the cyclone dust removal machine, the output of the vent gas treatment heat exchanger
The input of end connection tail gas disposal sprinkling equipment, the tail gas output end for being granulated desiccation machine connect the tail gas disposal spray
The input of equipment, the input of the output end connection plasma apparatus of the tail gas disposal sprinkling equipment, the plasma are set
The input of standby output end connection adsorbent equipment, the output end connection exhaust emissions chimney of the adsorbent equipment.
A kind of disposing technique of oil plant oily sludge, it is characterised in that：Comprise the following steps:
Step S1：It is quenched, oily sludge addition medicament is carried out quenched；
Step S2：Centrifugal treating, will be quenched in step S1 after oily sludge carry out oil, water, solid three phase separation, classification receipts respectively
Collect oil phase, aqueous phase, solid phase；
Step S3；Drying and other treatment is granulated, the solid phase obtained in step S2 is carried out into granulation desiccation obtains silt；
Step S4：Thermal cracking process：The silt obtained in step S3 is subjected to thermal cracking, the oil gas for cracking to obtain is through Oil-gas Separation
Categorised collection oil phase and aqueous phase afterwards, dry slag discharge.
Step S5：Vent gas treatment, tail caused by thermal cracking in tail gas caused by desiccation and step S4 will be granulated in step S3
Gas discharges after being handled.
Further, in step sl, oily sludge is sent into by quenched tank, dosing from sludge storage pool by sludge delivery pump
Addition medicament progress of the tank into quenched tank is quenched, and is stirred by the agitating device in quenched tank；
In step s 2, the oily sludge after will be quenched is sent into horizontal screw centrifuge and carries out oil, water, solid three phase separation, and oil phase is sent into
Deviate from oil tank, aqueous phase is sent into abjection water storage tank, and solid phase mud cake is sent into by high thick mud screw rod conveyor and is granulated desiccation machine
In；
In step s3, it is granulated desiccation machine and provides thermal source by steam generator, the solid phase mud cake that will be fed into granulation desiccation machine is done
It is dry to obtain silt；
In step s4, the silt after desiccation is sent into apparatus for thermal cleavage by the sealed feed hopper of elevator, passes through thermal cracking
Equipment heats, and obtains the oil gas for cracking out from silt, and oil gas is changed into liquid, oil phase storage by oil gas heat exchanger from gaseous state
Enter and crack oil tank, aqueous phase enters condensation water storage tank, and condensible gas does not then return to thermal cracking main body by petroleum vapor recovery air-introduced machine
Supplemental heat source, dry slag qualified discharge；
In step s5, it is granulated tail gas caused by desiccation and is sent into cyclone dust removal machine dedusting, then carried out by vent gas treatment heat exchanger
Cooling, then and tail gas caused by thermal cracking is sent into tail gas disposal sprinkling equipment desulfurization removing nitric together, then by low-temperature plasma
Equipment removes VOCs gases, is then fed into adsorbent equipment and carries out adsorption cleaning, finally by exhaust emissions chimney qualified discharge.
Further, the grug feeding jar addition medicament is the one or more in demulsifier, gel breaker, flocculant, is added
Measure as demulsifier：Gel breaker：Flocculant=0.1%-1%：0.5%-2%：0.1%-0.5%；Dried medium in the drying and other treatment process
Using 150 DEG C -160 DEG C of saturated vapor；The heating-up temperature of the thermal cracking process is 400 DEG C -600 DEG C.
Advantages of the present invention：
1st, by quenched unit, centrifugal treating unit, granulation desiccation unit, thermal cracking unit, tail gas treating unit are to oil plant
Oily sludge is handled, while the sludge after desiccation is handled, and is realized the harmlessness disposing of sludge, is eliminated and contain
Harm of the greasy dirt to environment, additionally caused tail gas in oily sludge disposal process is handled, tail gas meets flue gas
Environment protection standard is discharged, and environment-protecting clean, avoids impacting environment, and in greasy filth separation process is largely making for circulation with water
, caused waste residue, waste gas and waste water in oily sludge disposal process are thoroughly eliminated；Meanwhile the resource of preciousness has been reclaimed,
With efficiently, save, it is green the characteristics of, without any secondary pollution, reduce greasy filth cost of disposal, Utilization prospects are wide.
2nd, high treating effect：Realize that oily sludge moisture content is down to less than 0.1%, minimizing degree >=90% is net after decrement
Change dry slag to meet《Pollutant catabolic gene standard in agricultural sludge》GB4284-1984；Exhaust emissions meets country and production technology is filled
The exhaust requirements put：《Petro chemical industry pollutant emission standard》(GB31571- 2015), petroleum refining industry pollutant
Discharge standard（GB31570-2015）、《Discharge standard of air pollutants》Requirement in (GB16297- 1996), is realized
The harmless treatment of oily sludge.
3rd, designed using skidization, function integrates, and takes up an area small, convenient operation and management, improves factory prefabricating degree, reduces
Site operation amount, facilitate produced on-site tissue, maneuverability is strong, is easy to strange land transport, place strong adaptability.
Brief description of the drawings
Fig. 1 is a kind of process flow diagram of the disposal system of oil plant oily sludge of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
See Fig. 1, a kind of disposal system of oil plant oily sludge of the invention, including the greasy filth reservoir 1, quenched being connected
Unit 2, centrifugal treating unit 3, desiccation unit 4, thermal cracking unit 5, tail gas treating unit 6 are granulated, quenched unit 2 will come from oil
The quenched rear centrifugal treating unit 3 of being sent into of oily sludge of mud reservoir 1 carries out the solid three phase separation of profit, and aqueous phase and oil phase are classified respectively
Collect, solid phase is sent into the granulation desiccation of granulation desiccation unit 4 and is re-fed into the progress thermal cracking of thermal cracking unit 5, cracks obtained oil gas
Aqueous phase and oil phase difference categorised collection, the dry slag discharge after cracking, are granulated desiccation unit 4 and thermal cracking list after Oil-gas Separation
Tail gas is sent into tail gas treating unit 6 and handled caused by member 5, and quenched unit 2, centrifugal treating unit 3, granulation desiccation unit 4 are distinguished
It is arranged on quenched centrifugation desiccation to integrate on prying body 7, tail gas treating unit 5, thermal cracking unit 6 are separately positioned on thermal cracking tail gas collection
Into on prying body 8.
Quenched unit includes quenched tank 9, and the output end of greasy filth reservoir 1 passes through the input of sludge delivery pump 10 and quenched tank 9
End is connected, and quenched tank 9 is connected with grug feeding jar 10, it is quenched after oily sludge input centrifugal treating from the output end of quenched tank 9
Unit 3.
Centrifugal treating unit 3 includes horizontal screw centrifuge 11, the input of the output end connection horizontal screw centrifuge 11 of quenched tank 9
End, the oil phase output end connection abjection oil tank 12 of horizontal screw centrifuge, the aqueous phase output end connection abjection water storage of horizontal screw centrifuge
Tank 13, the solid phase output end connection of horizontal screw centrifuge are granulated desiccation unit 4.
Being granulated desiccation unit 4 includes being granulated desiccation machine 14, and solid phase is by high thick mud screw rod conveyor 15 from horizontal screw centrifuge
Solid phase output end be sent into and be granulated in desiccation machine 14, be granulated desiccation machine 14 and be connected with steam generator 29, be granulated desiccation machine 14
Silt goes out end and silt is sent into thermal cracking unit 6 by elevator 31, is granulated the tail gas output end of desiccation machine by being granulated desiccation
Tail gas is sent into tail gas treating unit by tail gas disposal air-introduced machine 16；
Thermal cracking unit includes apparatus for thermal cleavage 17, and silt is sent into apparatus for thermal cleavage 17 by elevator 31 by sealing feed hopper 30
In, the input of the oil gas output end connection oil gas heat exchanger 18 of apparatus for thermal cleavage 17, the oil that oil phase passes through oil gas heat exchanger 18
In phase output terminal input cracking oil tank 19, the aqueous phase output end input that aqueous phase passes through oil gas heat exchanger 18 condenses water storage tank 20
In, condensible gas does not input thermal cracking by petroleum vapor recovery air-introduced machine 21 from the not condensible gas output end of oil gas heat exchanger 18 and set
In standby 17, the tail gas output end of apparatus for thermal cleavage 17 disposes air-introduced machine 22 by thermal cracking tail gas and thermal cracking tail gas is entered into tail gas
Processing unit, dry slag are transported by transport vehicle and discharged；
Tail gas treating unit includes the cyclone dust removal machine 23 that is connected with the tail gas output end of apparatus for thermal cleavage 17, cyclone dust removal machine 23
Output end connection vent gas treatment heat exchanger 24 input, the output end connection tail gas disposal spray of vent gas treatment heat exchanger 24
The input of equipment 25, the input of the tail gas output end connection tail gas disposal sprinkling equipment 25 of desiccation machine 14 is granulated, at tail gas
Put the input of the output end connection plasma apparatus 26 of sprinkling equipment 25, the output end connection adsorbent equipment of plasma apparatus 26
27 input, the output end connection exhaust emissions chimney 28 of adsorbent equipment 27.
The disposal plant of the oil plant oily sludge of the present invention is continuous producing apparatus all using skid-mounted type equipment, bag
Prying body is integrated containing quenched centrifugation desiccation, thermal cracking tail gas integrates prying body, and quenched centrifugation desiccation, which is integrated in prying body, is provided with quenched tank, adjusts
Matter tank is linked by sludge delivery pump and greasy filth reservoir, and adding medicament into quenched tank by grug feeding jar makes water-oil separating while change
Kind sludge settling property, it is quenched after sludge deliver into horizontal screw centrifuge and oil, water, mud is carried out three phase separation, sleeping spiral shell from
Scheming can realize the three phase separation of oil, water, mud using mechanical energy, and the moisture content of the cake after separating is less than 80%, dewatering speed
It hurry up, dehydrating effect is excellent, and oil phase enters abjection oil tank, and aqueous phase is into abjection water storage tank, mud cake moisture≤80% after dehydration,
Mud cake is entered by high thick mud screw rod conveyor is granulated desiccation machine, is granulated desiccation machine and provides thermal source by steam generator, through dry
Moisture control is 20-30% in sludge after dry, is granulated decrement degree >=80% of desiccation stage sludge, and it is soft to be granulated desiccation machine
Body is granulated disc type drying integrated equipment, and equipped with automatic control system and process monitoring system, sludge deadweight produces pressure and filled out
Full comminutor cavity volume, the mud granule to form 2-15mm is granulated by positive displacement and broken shell formula, and mud granule automatic demoulding enters
Hypomere tray drier, the rake arms with rake leaf on basin make rake leaf continuously turn over to copy material as gyration, dry material
Discharged from last layer of discharging opening., the moisture content of evaporation is from the moisture exhausting port discharge being located on top cover, using 150-160 DEG C of saturation
Steam employs heat exchange pattern indirect heat exchange of the heat transfer to heat, compared to more traditional drying mode, evaporation as dried medium
Efficiency can improve 1.5-2 times, and gas emissions are small, and moisture content is reduced to 20-30% to material after drying, is reduced degree >=80%,
Be granulated tail gas caused by desiccation machine and dispose air-introduced machine by being granulated drying tail gas and enter exhaust treatment system, after drying sludge by
Mud cake is changed into silt state, enters apparatus for thermal cleavage from sealing feed hopper by elevator, apparatus for thermal cleavage is equipped with automatic control
System processed and process monitoring system, thermal source can use diesel oil, natural gas, biomass fuel, internal combustion type burning, meet refinery's safety
Production requirement, chuck indirectly heat, fully 400-600 DEG C of heating-up temperature, heating do not produce the pernicious gases such as bioxin, sludge
The organic pollution such as moisture, oil reaches boiling point by apparatus for thermal cleavage and is changed into steam in grain, is then obtained by oil-gas condenser
With separation, reach sewage sludge harmlessness disposing, the purpose of oil product recycling recovery, sludge is in thermal cracking main equipment by indirect
Heat, 400-600 DEG C of heating-up temperature, the oil, organic component in sludge are heated to more than boiling temperature and are able to be desorbed, crack
Separated from sludge, oil-gas component is changed into liquid by oil gas heat exchanger from gaseous state, and oil phase is stored into cracking oil tank, water
Mutually enter condensation water storage tank, condensible gas does not then return to thermal cracking main equipment supplemental heat source, heat by petroleum vapor recovery air-introduced machine
Cracking tail gas disposes air-introduced machine by thermal cracking tail gas and enters exhaust treatment system, and exhaust treatment system is set comprising cyclone dust removal
Standby, the tail gas after removing flue dust enters tail gas disposal heat exchanger and cooled off, and tail gas enters tail gas disposal sprinkling equipment desulfurization
Denitrogenation, VOCs gases in tail gas are removed using low-temperature plasma equipment, final disposal is carried out to tail gas using adsorbent equipment, through net
Tail gas after change reaches harmless by exhaust emissions chimney qualified discharge, non-secondary pollution, the dry slag after thermal cracking disposal
Change the requirement of disposal, while minimizing degree >=90%, properly disposed by dry slag transport vehicle.
The disposing technique of the oil plant oily sludge of the present invention, comprises the following steps:
Step S1：It is quenched, oily sludge addition medicament is carried out it is quenched, by sludge delivery pump by oily sludge from sludge storage pool
Quenched tank is sent into, addition medicament progress of the grug feeding jar into quenched tank is quenched, and is stirred by the agitating device in quenched tank
Mix；
Step S2：Centrifugal treating, will be quenched in step S1 after oily sludge carry out oil, water, solid three phase separation, classification receipts respectively
Collect oil phase, aqueous phase, solid phase, will be quenched after oily sludge be sent into horizontal screw centrifuge and carry out oil, water, consolidate three phase separation, oil phase send
Enter to deviate from oil tank, aqueous phase is sent into abjection water storage tank, and solid phase mud cake is sent into by high thick mud screw rod conveyor and is granulated desiccation
In machine；
Step S3；Drying and other treatment is granulated, the solid phase obtained in step S2 is carried out into granulation desiccation obtains silt, is granulated desiccation machine and leads to
Cross steam generator and thermal source is provided, the solid phase mud cake that will be fed into granulation desiccation machine is dried to obtain silt；
Step S4：Thermal cracking process：The silt obtained in step S3 is subjected to thermal cracking, the oil gas for cracking to obtain is through Oil-gas Separation
Categorised collection oil phase and aqueous phase afterwards, dry slag discharge, the silt after desiccation are sent into thermal cracking by the sealed feed hopper of elevator
Equipment, heated by apparatus for thermal cleavage, obtain the oil gas for cracking out from silt, oil gas is become by oil gas heat exchanger from gaseous state
For liquid, oil phase is stored into cracking oil tank, and aqueous phase enters condensation water storage tank, and condensible gas does not pass through petroleum vapor recovery air-introduced machine then
Return to thermal cracking main body supplemental heat source, dry slag qualified discharge.
Step S5：Vent gas treatment, tail caused by thermal cracking in tail gas caused by desiccation and step S4 will be granulated in step S3
Gas discharges after being handled, and is granulated tail gas caused by desiccation and is sent into cyclone dust removal machine dedusting, then enters by vent gas treatment heat exchanger
Row cooling, then and thermal cracking caused by tail gas be sent into together tail gas dispose sprinkling equipment desulfurization removing nitric, then by low temperature etc. from
Sub- equipment removes VOCs gases, is then fed into adsorbent equipment and carries out adsorption cleaning, finally by exhaust emissions chimney qualified discharge.
The grug feeding jar addition medicament is the one or more in demulsifier, gel breaker, flocculant, and addition is demulsification
Agent：Gel breaker：Flocculant=0.1%-1%：0.5%-2%：0.1%-0.5%；Dried medium uses 150 in the drying and other treatment process
DEG C -160 DEG C of saturated vapor；The heating-up temperature of the thermal cracking process is 400 DEG C -600 DEG C.
Embodiment one：The present embodiment is to repair oil content 62300ppm, moisture content 85.20%, and the refinery of solid content 8.57% is equal
Matter pond oily sludge, sludge treatment amount 3900t, sludge is delivered to quenched tank first with sludge delivery pump, passes through grug feeding jar
Add demulsifier：Flocculant=0.1-1%：0.1-0.5%, the sludge after dosing stirring enter horizontal screw centrifuge oil, water, mud three
It is separated, deviates from mud liquid holdup≤80%, be reduced degree >=57%, mud cake enters through too high thick mud screw rod conveyor is granulated desiccation
Machine, sludge is changed into the mud granule of 2-15mm particle diameters after granulation, and moisture control is 20-30%, and the decrement degree of sludge >=
89%, sludge is changed into silt state from mud cake after drying, and enters thermal cracking main equipment indirectly heat by elevator, heats
400-550 DEG C of temperature, realize that moisture percentage in sewage sludge is down to less than 0.1%, minimizing degree >=91%, be reduced the dry slag petrochina of after-purification
Class material is 102ppm, is met《Pollutant catabolic gene standard in agricultural sludge》GB4284-1984 petrochina class materials are less than
3000ppm standard；Sulfur dioxide in tail gas ＜ 50mg/m3, NOx ＜ 100mg/m3, flue dust ＜ 20mg/m3, discharge meet《Stone
Oiling emission of industrial pollutants standard》(GB31571- 2015), petroleum refining industry pollutant emission standard（GB31570-
2015）Specified in standard value, recovery can utilize fuel oil 150t.
Embodiment two：The present embodiment is to repair oil content 140210ppm, moisture content 78.71%, the refinery of solid content 7.269%
Tank bottom oil sludge, sludge treatment amount 3000t, sludge is delivered to quenched tank first with sludge delivery pump, added by grug feeding jar
Demulsifier：Gel breaker：Flocculant=0.1-1%：0.5-2%：0.1-0.5%, the sludge after dosing stirring enter horizontal screw centrifuge
Oil, water, mud three phase separation, quenched eccentric phase oil product >=80%, deviate from mud liquid holdup≤75%, be reduced degree >=70%, mud cake warp
Too high thick mud screw rod conveyor, which enters, is granulated desiccation machine, and sludge is changed into the mud granule of 2-15mm particle diameters, moisture after granulation
Control as 20-30%, decrement degree >=90% of sludge, sludge is changed into silt state from mud cake after drying, and is entered by elevator
Enter thermal cracking main equipment indirectly heat, 400-550 DEG C of heating-up temperature, realize that moisture percentage in sewage sludge is down to less than 0.1%, minimizing
Degree >=92.6%, the decrement dry slag petrochina class material of after-purification is 55ppm, is met《Pollutant catabolic gene standard in agricultural sludge》
GB4284-1984 petrochina classes material is less than 3000ppm standard；Sulfur dioxide in tail gas ＜ 50mg/m3, NOx ＜ 100mg/m
3, flue dust ＜ 20mg/m3, discharge meets《Petro chemical industry pollutant emission standard》(GB31571- 2015), petroleum refining
Emission of industrial pollutants standard（GB31570-2015）Specified in standard value.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (10)
- A kind of 1. disposal system of oil plant oily sludge, it is characterised in that：Including be connected greasy filth reservoir, quenched unit, Centrifugal treating unit, desiccation unit, thermal cracking unit, tail gas treating unit are granulated, the quenched unit will come from the greasy filth The quenched rear feeding centrifugal treating unit of oily sludge of reservoir carries out the solid three phase separation of profit, and aqueous phase and oil phase are classified respectively Collect, solid phase is sent into granulation desiccation unit granulation desiccation and is re-fed into the thermal cracking unit progress thermal cracking, cracks obtained oil Gas aqueous phase and oil phase difference categorised collection after Oil-gas Separation, the dry slag discharge after cracking, the granulation desiccation unit and institute State tail gas caused by thermal cracking unit and be sent into tail gas treating unit processing, the quenched unit, centrifugal treating unit, be granulated desiccation Unit is separately positioned on quenched centrifugation desiccation and integrated on prying body, and the tail gas treating unit, thermal cracking unit are separately positioned on heat Cracking tail gas is integrated on prying body.
- A kind of 2. disposal system of oil plant oily sludge according to claim 1, it is characterised in that：The quenched unit Including quenched tank, the output end of the greasy filth reservoir is connected by sludge delivery pump with the input of the quenched tank, described Quenched tank is connected with grug feeding jar, it is quenched after oily sludge input centrifugal treating unit from the output end of the quenched tank.
- A kind of 3. disposal system of oil plant oily sludge according to claim 2, it is characterised in that：The centrifugal treating Unit includes horizontal screw centrifuge, and the output end of the quenched tank connects the input of the horizontal screw centrifuge, the sleeping spiral shell centrifugation The oil phase output end connection abjection oil tank of machine, the aqueous phase output end connection abjection water storage tank of the horizontal screw centrifuge are described sleeping The solid phase output end connection granulation desiccation unit of screw centrifuge.
- A kind of 4. disposal system of oil plant oily sludge according to claim 3, it is characterised in that：The granulation desiccation Unit includes being granulated desiccation machine, and solid phase is sent into from the solid phase output end of the horizontal screw centrifuge by high thick mud screw rod conveyor and made In grain desiccation machine, the granulation desiccation machine is connected with steam generator, and the silt for being granulated desiccation machine goes out end and passes through elevator Silt is sent into the thermal cracking unit, the tail gas output end for being granulated desiccation machine disposes air-introduced machine by being granulated drying tail gas Tail gas is sent into tail gas treating unit.
- A kind of 5. disposal system of oil plant oily sludge according to claim 4, it is characterised in that：The thermal cracking list Member includes apparatus for thermal cleavage, and silt is sent into the apparatus for thermal cleavage by the elevator by sealing feed hopper, the hot tearing The input of the oil gas output end connection oil gas heat exchanger of equipment is solved, oil phase is defeated by the oil phase output end of the oil gas heat exchanger Enter to crack in oil tank, the aqueous phase output end input that aqueous phase passes through the oil gas heat exchanger is condensed in water storage tank, not condensible gas Inputted from the not condensible gas output end of the oil gas heat exchanger by petroleum vapor recovery air-introduced machine in the apparatus for thermal cleavage, it is described The tail gas output end of apparatus for thermal cleavage disposes air-introduced machine by thermal cracking tail gas and thermal cracking tail gas is entered into the vent gas treatment list Member.
- A kind of 6. disposal system of oil plant oily sludge according to claim 5, it is characterised in that：The vent gas treatment Unit includes the cyclone dust removal machine that is connected with the tail gas output end of the apparatus for thermal cleavage, and the output end of the cyclone dust removal machine connects Connect the input of vent gas treatment heat exchanger, the input of the output end connection tail gas disposal sprinkling equipment of the vent gas treatment heat exchanger End, the tail gas output end for being granulated desiccation machine connect the input of the tail gas disposal sprinkling equipment, the tail gas disposal spray Drench the input of the output end connection plasma apparatus of equipment, the input of the output end connection adsorbent equipment of the plasma apparatus End, the output end connection exhaust emissions chimney of the adsorbent equipment.
- A kind of 7. disposing technique of oil plant oily sludge, it is characterised in that：Comprise the following steps:Step S1：It is quenched, oily sludge addition medicament is carried out quenched；Step S2：Centrifugal treating, will be quenched in step S1 after oily sludge carry out oil, water, solid three phase separation, classification receipts respectively Collect oil phase, aqueous phase, solid phase；Step S3；Drying and other treatment is granulated, the solid phase obtained in step S2 is carried out into granulation desiccation obtains silt；Step S4：Thermal cracking process：The silt obtained in step S3 is subjected to thermal cracking, the oil gas for cracking to obtain is through Oil-gas Separation Categorised collection oil phase and aqueous phase afterwards, dry slag discharge；Step S5：Vent gas treatment, tail gas caused by thermal cracking in tail gas caused by desiccation and step S4 will be granulated in step S3 and is entered Discharged after row processing.
- A kind of 8. disposing technique of oil plant oily sludge according to claim 7, it is characterised in that：In step sl, Oily sludge is sent into by quenched tank from sludge storage pool by sludge delivery pump, addition medicament of the grug feeding jar into quenched tank is adjusted Matter, and be stirred by the agitating device in quenched tank；In step s 2, the oily sludge after will be quenched is sent into horizontal screw centrifuge and carries out oil, water, solid three phase separation, and oil phase is sent into Deviate from oil tank, aqueous phase is sent into abjection water storage tank, and solid phase mud cake is sent into by high thick mud screw rod conveyor and is granulated desiccation machine In；In step s3, it is granulated desiccation machine and provides thermal source by steam generator, the solid phase mud cake that will be fed into granulation desiccation machine is done It is dry to obtain silt；In step s4, the silt after desiccation is sent into apparatus for thermal cleavage by the sealed feed hopper of elevator, passes through thermal cracking Equipment heats, and obtains the oil gas for cracking out from silt, and oil gas is changed into liquid, oil phase storage by oil gas heat exchanger from gaseous state Enter and crack oil tank, aqueous phase enters condensation water storage tank, and condensible gas does not then return to thermal cracking main body by petroleum vapor recovery air-introduced machine Supplemental heat source, dry slag qualified discharge；In step s5, it is granulated tail gas caused by desiccation and is sent into cyclone dust removal machine dedusting, then carried out by vent gas treatment heat exchanger Cooling, then and tail gas caused by thermal cracking is sent into tail gas disposal sprinkling equipment desulfurization removing nitric together, then by low-temperature plasma Equipment removes VOCs gases, is then fed into adsorbent equipment and carries out adsorption cleaning, finally by exhaust emissions chimney qualified discharge.
- A kind of 9. disposing technique of oil plant oily sludge according to claim 7, it is characterised in that：The grug feeding jar adds Adding medicine is the one or more in demulsifier, gel breaker, flocculant, and addition is demulsifier：Gel breaker：Flocculant=0.1%- 1%：0.5%-2%：0.1%-0.5%.
- A kind of 10. disposing technique of oil plant oily sludge according to claim 7, it is characterised in that：At the desiccation Dried medium uses 150 DEG C -160 DEG C of saturated vapor in science and engineering sequence；The heating-up temperature of the thermal cracking process is 400 DEG C -600 ℃。
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| CN108558171A (en) * | 2018-05-04 | 2018-09-21 | 山东省科学院生态研究所 | A kind of skid mounted equipment and working method for the quenched three phase separation of oily sludge |
| CN108751502A (en) * | 2018-06-19 | 2018-11-06 | 广州中万环保科技有限公司 | The innoxious of waste emulsified mixture, minimizing and recycling processing method |
| CN109095743A (en) * | 2018-08-24 | 2018-12-28 | 郑州高路亚环保科技有限公司 | The overcritical organic stripping system of one kind and its technique |
| CN109912163A (en) * | 2019-02-28 | 2019-06-21 | 南京泓远环保科技有限公司 | A kind of processing method of oily sludge |
| CN110040922A (en) * | 2019-05-17 | 2019-07-23 | 启源新能源科技（张家口）有限公司 | The method and processing system of process tank bottom oily sludge |
| CN111825303A (en) * | 2020-07-22 | 2020-10-27 | 北京航天环境工程有限公司 | Oily sludge recycling treatment system and treatment method |
| CN113955908A (en) * | 2021-09-17 | 2022-01-21 | 肖进彬 | Oil-containing resource treatment method |
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| CN111825303A (en) * | 2020-07-22 | 2020-10-27 | 北京航天环境工程有限公司 | Oily sludge recycling treatment system and treatment method |
| CN113955908A (en) * | 2021-09-17 | 2022-01-21 | 肖进彬 | Oil-containing resource treatment method |
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Application publication date: 20171222 |