CN105399294B - Oil sludge and sand recycling, harmless treatment process - Google Patents

Oil sludge and sand recycling, harmless treatment process Download PDF

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Publication number
CN105399294B
CN105399294B CN201610000094.1A CN201610000094A CN105399294B CN 105399294 B CN105399294 B CN 105399294B CN 201610000094 A CN201610000094 A CN 201610000094A CN 105399294 B CN105399294 B CN 105399294B
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oil
sand
pipeline
gas
oil sludge
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CN105399294A (en
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李建华
沈飞
伍保华
王希慧
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Shandong Top Environment Technology Co Ltd
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Shandong Top Environment Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/10Treatment of sludge; Devices therefor by pyrolysis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/16Treatment of sludge; Devices therefor by de-watering, drying or thickening using drying or composting beds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/10Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities

Abstract

The present invention provides oil sludge and sand recycling, harmless treatment process, its technical solution is:Mainly by the first screw conveyor(1), pulverizer(2), rinse bath(3), slush pump(4), efficient solid-liquid separator(5), the first gas bag(6), the first Residual Oil Tank(7), the first cooler(8), air-introduced machine(9), purifying column(10), circulating pump(11), cold water system(12), water pump(13), the second gas bag(14), the second Residual Oil Tank(15), the second cooler(16), grease storage tank(17), light oil tank(18), the 3rd screw conveyor(19), the second slag remover(20), the second main transmission equipment(21), pyrolysis oven(22), charger(23), the second screw conveyor(24), the first slag remover(25), the first main transmission equipment(26), drying equipment(27), Safety water seal(28)And combustion furnace(29)Form;Beneficial effects of the present invention:Oil sludge and sand process resource, innoxious processing requirement are reached, oil recovery rate is high, realizes serialization, quality stability.

Description

Oil sludge and sand recycling, harmless treatment process
Technical field
The present invention relates to oil sludge and sand technical field, especially oil sludge and sand recycling, harmless treatment process.
Background technology
At present, oil sludge and sand processing solves also without a kind of good method, have can only harmless treatment, what is had can only provide Sourceization recycle, the former the shortcomings that be that processing time is longer, occupied space is big, it is impossible to recycles the crude oil in sludge, be easy to cause two Secondary pollution, is not suitable for handling on a large scale;The shortcomings that the latter is that processing cost is higher, and technological process is grown, there are secondary pollution, Energy consumption is higher, and due to the easy coking of product in processing procedure, more demanding to equipment and materials, treating capacity is limited, process cycle It is long, be not suitable for extensive processing.
The content of the invention
The purpose of the invention is to overcome the deficiencies of the prior art and provide can harmless treatment have can recycling recycling The oil sludge and sand recycling that utilizes, harmless treatment process, its technical solution are:First screw conveyor connects pulverizer, rubs Machine connects rinse bath, and road pipeline connects the first cooler and connects the second cooler by water pump on rinse bath, and Road pipeline leads to Slush pump connection efficient solid-liquid separator, bottom line connection drying equipment are crossed, efficient solid-liquid separator connects grease storage tank, the Road pipeline connects purifying column and cold water system respectively on one cooler, and the lower left pipeline of road direction connects combustion furnace by Safety water seal, Pipeline connects the second cooler, bottom line connection light oil tank to the right, and overhead line connects the first gas bag, and the first gas bag is to the right Pipeline connects the first Residual Oil Tank, and the drying equipment of pipeline connection to the left, purifying column pipeloop is equipped with circulating pump, cold water system top Portion pipeline connects the second cooler, and lower road pipeline connects the second cooler by water pump, the second cooler pipeline connection to the left the One cooler simultaneously connects combustion furnace, lower road pipeline connection light oil tank by Safety water seal, and overhead line connects the second gas bag, the Pipeline connects the second Residual Oil Tank to two gas bags to the right, and the pyrolysis oven of pipeline connection to the left, pyrolysis oven one end is equipped with the second main transmission equipment, The other end is equipped with charger, and lower section connects the second slag remover, and one side-lower of the second main transmission equipment is equipped with the 3rd screw conveyor, Pipeline connection combustion furnace, two road pipeline connection drying equipments, drying equipment side are equipped with the first main transmission equipment to pyrolysis oven all the way, Lower section connects the first slag remover, and one side-lower of slag remover is equipped with the second screw conveyor, and pipeline passes through all the way on drying equipment top Air-introduced machine connects purifying column, and two road pipelines connect the first gas bag, and three-way connection (pipe) line connects efficient solid-liquid separator and rinse bath respectively.
The technique includes the following steps:
(One), oil sludge and sand hot wash-separating treatment:Oil sludge and sand enters pulverizer by screw conveyor, and crushing large particle is solid Body, subsequently into hot wash groove, adds basic agent, demulsifier, stirs 30min under mechanical action, make grease and solid particle Separation, bulky grain gravel using gravitational settling remove, distributed slurry by slush pump pressurization enter efficiently separates equipment, make grease with The isolated grease of solid phase, oil sludge and sand, grease further separate and recover oil, the oil recycling of wherein 30%-80%, oil sludge and sand after separation Oil-containing 2-8%, aqueous 50%-70%;
(Two), oil sludge and sand drying and processing:Oil-containing 2-8%, aqueous 50%-70% oil sludge and sands, are sent to drying by screw conveyor and set The flue gas indirect heat exchange that standby and pyrolysis oven comes out, temperature be -150 DEG C of room temperature, after drying the moisture content of oil sludge and sand less than 30% into Enter pyrolysis oven, the boil-off gas of drying equipment is by condensate recovery liquid phase oil, water, the oil recovery after water-oil separating, fixed gas Body enters hot-blast stove by two-stage water seal and is utilized as fuel recovery, and flue gas removes pollutant SO2、NO2Qualified discharge;
(Three), the oil sludge and sand after drying add pyrolysis catalysts, mass ratio 5%, enters heat by screw conveyor is closed Stove, and 600-800 DEG C of the high-temperature gas indirect heat exchange that hot-blast stove comes are solved, pyrolysis temperature is 170 DEG C -600 DEG C, in oil sludge and sand Organic matter, the distillation of petroleum-type light component enter gas phase, heavy constituent, asphalitine, wax are pyrolyzed as light component and high temperature carbonization, Residue oil content is less than 0.3%, reaches agricultural sludge and uses standard, pyrolysis oven exhaust pass pneumatic transmission to drying equipment comprehensively utilizes;
(Four), hot-blast stove fuel be diesel oil, one kind and process of oil recovery for being produced in natural gas, pyrolysis drying course The on-condensible gas of middle recycling, produces high temperature hot gas by dedicated combustion apparatus and is used for pyrolysis, drying.
Brief description of the drawings
Fig. 1 is the structure diagram of present invention process.
Embodiment
As shown in Figure 1, oil sludge and sand recycling, harmless treatment process, mainly by the first screw conveyor 1, pulverizer 2, It is rinse bath 3, slush pump 4, efficient solid-liquid separator 5, the first gas bag 6, the first Residual Oil Tank 7, the first cooler 8, air-introduced machine 9, net Change tower 10, circulating pump 11, cold water system 12, water pump 13, the second gas bag 14, the second Residual Oil Tank 15, the second cooler 16, grease storage Tank 17, light oil tank 18, the 3rd screw conveyor 19, the second slag remover 20, the second main transmission equipment 21, pyrolysis oven 22, charging Machine 23, the second screw conveyor 24, the first slag remover 25, the first main transmission equipment 26, drying equipment 27, Safety water seal 28 and combustion Stove 29 is burnt to form;First screw conveyor 1 connects pulverizer 2, and pulverizer 2 connects rinse bath 3, and road pipeline connects on rinse bath 3 First cooler 8 simultaneously connects the second cooler 16 by water pump 13, and Road pipeline connects efficient solid-liquid separator by slush pump 4 5, bottom line 27 efficient solid-liquid separator 5 of connection drying equipment connects grease storage tank 17, and road pipeline is distinguished on the first cooler 8 Purifying column 10 and cold water system 12 are connected, the lower left pipeline of road direction connects combustion furnace 29 by Safety water seal 28, and pipeline connects to the right Second cooler 16, bottom line connection light oil tank 18, overhead line connect the first gas bag 6, and pipeline connects the first gas bag 6 to the right The first Residual Oil Tank 7 is connect, the drying equipment 27 of pipeline connection to the left, 10 pipeloop of purifying column is equipped with circulating pump 11, cold water system 12 overhead lines connect the second cooler 16, lower road pipeline by water pump 13 connect the second cooler 16, the second cooler 16 to Left pipeline connects the first cooler 8 and connects combustion furnace 29, lower road pipeline connection light oil tank 18, top by Safety water seal 28 Pipeline connects the second gas bag 14, and pipeline connects the second Residual Oil Tank 15 to the second gas bag 14 to the right, the pyrolysis oven 22 of pipeline connection to the left, heat 22 one end of solution stove is equipped with the second main transmission equipment 21, and the other end is equipped with charger 23, and lower section connects the second slag remover 20, the second master 21 1 side-lower of drive apparatus is equipped with the 3rd screw conveyor 19,22 1 road pipeline connection combustion furnace 29 of pyrolysis oven, two road pipelines Drying equipment 27 is connected, 27 side of drying equipment is equipped with the first main transmission equipment 26, and lower section connects the first slag remover 25, slag remover 25 1 side-lowers are equipped with the second screw conveyor 24, and pipeline connects purifying column 10 by air-introduced machine 9 all the way on drying equipment 27 top, Two road pipelines connect the first gas bag 6, and three-way connection (pipe) line connects efficient solid-liquid separator 5 and rinse bath 3 respectively.
The application method of the present invention
(One), oil sludge and sand hot wash-separating treatment:Oil sludge and sand enters pulverizer by screw conveyor, and crushing large particle is solid Body, subsequently into hot wash groove, adds basic agent, demulsifier, stirs 30min under mechanical action, make grease and solid particle Separation, bulky grain gravel using gravitational settling remove, distributed slurry by slush pump pressurization enter efficiently separates equipment, make grease with The isolated grease of solid phase, oil sludge and sand, grease further separate and recover oil, the oil recycling of wherein 30%-80%, oil sludge and sand after separation Oil-containing 2-8%, aqueous 50%-70%;
(Two), oil sludge and sand drying and processing:Oil-containing 2-8%, aqueous 50%-70% oil sludge and sands, are sent to drying by screw conveyor and set The flue gas indirect heat exchange that standby and pyrolysis oven comes out, temperature be -150 DEG C of room temperature, after drying the moisture content of oil sludge and sand less than 30% into Enter pyrolysis oven, the boil-off gas of drying equipment is by condensate recovery liquid phase oil, water, the oil recovery after water-oil separating, fixed gas Body enters hot-blast stove by two-stage water seal and is utilized as fuel recovery, and flue gas removes pollutant SO2、NO2Qualified discharge;
(Three), the oil sludge and sand after drying add pyrolysis catalysts, mass ratio 5%, enters heat by screw conveyor is closed Stove, and 600-800 DEG C of the high-temperature gas indirect heat exchange that hot-blast stove comes are solved, pyrolysis temperature is 170 DEG C -600 DEG C, in oil sludge and sand Organic matter, the distillation of petroleum-type light component enter gas phase, heavy constituent, asphalitine, wax are pyrolyzed as light component and high temperature carbonization, Residue oil content is less than 0.3%, reaches agricultural sludge and uses standard, pyrolysis oven exhaust pass pneumatic transmission to drying equipment comprehensively utilizes;
(Four), hot-blast stove fuel be diesel oil, one kind and process of oil recovery for being produced in natural gas, pyrolysis drying course The on-condensible gas of middle recycling, produces high temperature hot gas by dedicated combustion apparatus and is used for pyrolysis, drying.
According to above-mentioned technique, complete to produce daily 1 ton of oil sludge and sand and handle, before processing oil sludge and sand oil content 26%, moisture content 47%, Solid contents 27%.∕ tons of sodium oxide molybdena 17kg, ∕ tons of polyacrylamide 0.5kg are hydrogenated with processing procedure.It is residual through over cleaning, pyrolysis Slag oil content 0.12%, detects Waste gas outlet in processing procedure, and pollutant is not exceeded, and waste water recycles, without outer row.

Claims (2)

1. oil sludge and sand recycling, harmless treatment process, it is characterised in that:First screw conveyor(1)Connect pulverizer(2), Pulverizer(2)Connect rinse bath(3), rinse bath(3)Upper road pipeline connects the first cooler(8)And pass through water pump(13)Connection the Two coolers(16), Road pipeline passes through slush pump(4)Connect efficient solid-liquid separator(5), bottom line connection charger (23), efficient solid-liquid separator(5)Connect grease storage tank(17), the first cooler(8)Upper road pipeline connects purifying column respectively (10)With cold water system(12), the lower left pipeline of road direction passes through Safety water seal(28)Connect combustion furnace(29), pipeline connection to the right the Two coolers(16), bottom line connection light oil tank(18), overhead line the first gas bag of connection(6), the first gas bag(6)To the right Pipeline connects the first Residual Oil Tank(7), the drying equipment of pipeline connection to the left(27), purifying column(10)Pipeloop is equipped with circulating pump (11), cold water system(12)Overhead line connects the second cooler(16), lower road pipeline passes through water pump(13)The cooling of connection second Device(16), the second cooler(16)Pipeline connects the first cooler to the left(8)And pass through Safety water seal(28)Connect combustion furnace (29), lower road pipeline connection light oil tank(18), overhead line the second gas bag of connection(14), the second gas bag(14)Pipeline connects to the right Connect the second Residual Oil Tank(15), the pyrolysis oven of pipeline connection to the left(22), pyrolysis oven(22)One end is equipped with the second main transmission equipment(21), The other end is equipped with charger(23), lower section connects the second slag remover(20), the second main transmission equipment(21)One side-lower is equipped with the Three screw conveyors(19), pyrolysis oven(22)Pipeline connection combustion furnace all the way(29), two road pipeline connection drying equipments(27), dry Dry equipment(27)Side is equipped with the first main transmission equipment(26), lower section connects the first slag remover(25), slag remover(25)Under side Side is equipped with the second screw conveyor(24), drying equipment(27)Pipeline passes through air-introduced machine all the way on top(9)Connect purifying column(10), Two road pipelines connect the first gas bag(6), three-way connection (pipe) line connects efficient solid-liquid separator respectively(5)And rinse bath(3).
2. oil sludge and sand recycling according to claim 1, harmless treatment process, it is characterised in that:The technique is included such as Lower step:
(One), oil sludge and sand hot wash-separating treatment:Oil sludge and sand enters pulverizer by screw conveyor, crushing large particle solid, so Enter hot wash groove afterwards, add basic agent, demulsifier, stir 30min under mechanical action, separate grease and solid particle, Bulky grain gravel is removed using gravitational settling, and distributed slurry is entered by slush pump pressurization efficiently separates equipment, makes grease and solid phase Isolated grease, oil sludge and sand, grease further separate and recover oil, the oil recycling of wherein 30%-80%, oil sludge and sand oil-containing after separation 2-8%, aqueous 50%-70%;
(Two), oil sludge and sand drying and processing:Oil-containing 2-8%, aqueous 50%-70% oil sludge and sands, sent by screw conveyor to drying equipment and The flue gas indirect heat exchange that pyrolysis oven comes out, temperature is -150 DEG C of room temperature, and the moisture content of oil sludge and sand is less than 30% and enters heat after drying Stove is solved, mutually oil, water, the oil recovery after water-oil separating, on-condensible gas pass through the boil-off gas of drying equipment by condensate recovery liquid Cross two-stage water seal to utilize as fuel recovery into hot-blast stove, flue gas removes pollutant SO2、NO2Qualified discharge;
(Three), the oil sludge and sand after drying add pyrolysis catalysts, ratio 5%, enters pyrolysis oven by screw conveyor is closed, The high-temperature gas indirect heat exchange of 600-800 DEG C to come with hot-blast stove, pyrolysis temperature are 170 DEG C -600 DEG C, having in oil sludge and sand Machine matter, the distillation of petroleum-type light component enter gas phase, and heavy constituent, asphalitine, wax are pyrolyzed as light component and high temperature carbonization, residue Oil content is less than 0.3%, reaches agricultural sludge and uses standard, pyrolysis oven exhaust pass pneumatic transmission to drying equipment comprehensively utilizes;
(Four), hot-blast stove fuel be diesel oil, one kind of oil recovery for being produced in natural gas, pyrolysis drying course and during return The on-condensible gas of receipts, produces high temperature hot gas by dedicated combustion apparatus and is used for pyrolysis, drying.
CN201610000094.1A 2016-01-01 2016-01-01 Oil sludge and sand recycling, harmless treatment process Active CN105399294B (en)

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CN107098559A (en) * 2017-06-16 2017-08-29 南京塔川化工设备有限公司 A kind of oily sludge is from heat supply Non-oxygen pyrolytic equipment and its method for pyrolysis
CN108383350A (en) * 2018-04-02 2018-08-10 大庆高新区百世环保科技开发有限公司 A kind of ultra-clean treatment process of oily sludge object and equipment
CN108531207A (en) * 2018-06-19 2018-09-14 大庆高新区百世环保科技开发有限公司 A kind of oily sludge substance treating method and its device using conduction oil indirectly heat
CN108795464B (en) * 2018-06-19 2024-03-19 大庆高新区百世环保科技开发有限公司 Desorption treatment method and device using flue gas indirect heating
CN108467742B (en) * 2018-06-19 2024-03-15 大庆高新区百世环保科技开发有限公司 Sand desorption treatment method and device by utilizing flue gas indirect heating
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
CN110482836A (en) * 2019-04-27 2019-11-22 南京河海环境研究院有限公司 A kind of oily sludge recycling and method for innocent treatment based on anaerobism thermal desorption
CN110054388A (en) * 2019-05-24 2019-07-26 河南省四达仙龙实业有限公司 A kind of device that greasy filth harmless treatment utilizes
CN110550846A (en) * 2019-09-18 2019-12-10 纪禹操 Oily sludge harmless treatment process and equipment
CN114933400B (en) * 2022-05-11 2023-05-05 国家石油天然气管网集团有限公司 Harmless treatment device for oil sludge

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JP3646925B2 (en) * 2000-07-31 2005-05-11 株式会社荏原製作所 Organic wastewater treatment method and treatment apparatus
CN104341081B (en) * 2013-07-30 2016-08-17 麦王环境技术股份有限公司 Greasy filth separates and the method for innocent treatment reclaimed
CN104261649B (en) * 2014-09-28 2016-04-27 东南大学 A kind of high-efficiency oil sludge pyrolysis oil preparation method and system

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Address after: 257061, No. two, 271 North Road, Shandong, Dongying (inner exploration Hall of Petroleum University)

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