CN101633547B - Resource processing method of petroleum-containing sludge in petroleum , comprehensive processing method of petroleum-containing sludge in petroleum and petrochemical and resource recycling method - Google Patents

Resource processing method of petroleum-containing sludge in petroleum , comprehensive processing method of petroleum-containing sludge in petroleum and petrochemical and resource recycling method Download PDF

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CN101633547B
CN101633547B CN2009100652748A CN200910065274A CN101633547B CN 101633547 B CN101633547 B CN 101633547B CN 2009100652748 A CN2009100652748 A CN 2009100652748A CN 200910065274 A CN200910065274 A CN 200910065274A CN 101633547 B CN101633547 B CN 101633547B
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sludge
oil
petroleum
mud
sand
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CN2009100652748A
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CN101633547A (en
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酒尚利
郭学峰
徐敏
茆明军
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濮阳市天地人环保工程技术有限公司
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Abstract

The invention discloses a resource processing method of petroleum-containing sludge in petroleum and a comprehensive processing method of petroleum-containing sludge in petroleum and petrochemical and a resource recycling method thereof. The resource processing method of petroleum-containing sludge in the petroleum comprises the following steps of: adding with destabilizing agent into the petroleum-containing sludge in the petroleum and sending mixture into a separator; fishing out belt-shaped plastic sundries and recycling petroleum through the separator; taking out sands by a spiral sand conveyer after being brushed for mending a road; obtaining a dehydrated mud cake by pressing, filtering and dehydrating fine mud diluted by water to be used as mixing materials of a shaped coal. The comprehensive processing method comprises the following steps of: adding with dehydrating agent and coal powder/coal gangue powder into petrochemical sludge, stirring, filling into a filter bag, dehydrating in a pressing way; smashing the dehydrated sludge; smashing and adding with straw powder, combustion improver, dehydrated mud cake and petroleum extracted sludge, mixing to prepare the shaped coal; and separating oil-water mixture which is obtained by dehydrating in a pressing way. The invention solves the existing technical difficulty for processing the mud and the sludge, so that the comprehensive use of the sludge can reach zero emission.

Description

The method of oil recycling treatment method of oil-bearing sludge and integrated treatment of petroleum and petrochemical industry oily sludge and recycling

One, technical field:

The present invention relates to a kind of processing method of oily sludge, particularly relate to the method for a kind of oil recycling treatment method of oil-bearing sludge and integrated treatment of petroleum and petrochemical industry oily sludge and recycling.

Two, background technology:

The petrochemical industry oily sludge is mainly derived from scum silica frost and the bed mud that produces in oil refinery's sewage disposal process, and main component is biological sludge, flocculate and aging wet goods.The oil field, land inevitably will produce the oily sludge mixture in process of production, mainly discard oil-cut mud (oil-base mud) etc. from well site workover treatment, big jar of removing bed mud, pipeline perforation, drilling well, mix band silt particle, plastics, oil, water and medicament behind the labor cleaning, oil storage tank mainly is silt particle, water and a small amount of oil of deposition.According to " national hazardous waste register " that on August 1st, 2008 implemented, oily sludge has been classified hazardous waste as, and refuse classification HW08, refuse code are 071-002-08.

At present, oil and oil industry are higher to the water treatment attention degree, often ignore the disposal of final generation mud, and quite a few is to handle in the mode of landfill, not only take a large amount of land resource, the landfill yard that does not meet the requirements also can cause surface soil, phreatic pollution.Along with the influence of aspects such as rainwater, pollution range constantly enlarges, and pollution hidden trouble is bigger.Both at home and abroad the technical research personnel are doing a large amount of research aspect the processing of oil-containing greasy filth for many years, as biodegradation, burning disposal, landfill disposals, chemical disposal etc., but still have the puzzlement of many problems, as: biodegradation investment greatly, effect is slow; Burning needs auxiliary combustion, and cost is high and can cause secondary pollution to atmosphere; The landfill yard majority is undesirable, and waste land resource is polluted as making underground water accidentally; Mechanical treatment is because the greasy filth composition is unfixing, and equipment is difficult to type selecting.Before this, our company has applied for a patent of invention, patent name is a kind of oilfield waste thing sump oil mud resource processing method, the patent No. is ZL200610018062.0, this invention is a kind of more perfect solution, but the processing such as petrochemical sludge more to solid concentration still has limitation, and processing cost is higher relatively.On this basis, through studying for a long period of time, our company has developed a kind of applied widely, treatment cost is low, added value of product is high improvement composite technology, and to pollute a difficult problem significant to solving the petroleum and petrochemical industry oily sludge for this technology.

Three, summary of the invention:

The technical problem to be solved in the present invention is: the method that a kind of oil recycling treatment method of oil-bearing sludge and integrated treatment of petroleum and petrochemical industry oily sludge and recycling are provided.Both can solve the recycling treatment of oil exploitation mud by technical scheme of the present invention; also can solve the integrated treatment of petroleum and petrochemical industry oily sludge and utilize problem; oil, sand, mud, water in its oily sludge can be separated; and can up to standardly fully utilize; treating capacity is big, the energy large-scale production, thus can reduce system's treatment cost; thoroughly solve the pollution problem of oily sludge fast, satisfy the actual needs of resource and protection environment.

The technical solution used in the present invention:

The invention provides a kind of oil recycling treatment method of oil-bearing sludge, the detailed step of described processing method is as follows:

A, be to add the destabilizing agent account for its weight 1～3% in the oil oily sludge to stir at oil exploitation mud, five machines that are separated are sent mixed material into by feeder in the back that stirs;

B, mixed material enter five and are separated and stir through agitator earlier behind the machine, add the hot water that accounts for its weight 30～85% according to oil oily sludge per ton, under the effect that adds hot water, banded plastics foreign material in the mud are opened cleaning, by the grid that rotates its foreign material are pulled out, utilized as the waterproof roll inserts;

Oil in c, the mud, mud, sand are along with the injection of hot water enters middle washed-out sand chamber of seperator and sludge settling chamber by grid, and the oil in the mud is discharged recycling in the floating gathering in the top of middle washed-out sand chamber and sludge settling chamber by collection tank; Sand in the mud falls into bottom, washed-out sand chamber after the washed-out sand chamber is stirred, washed repeatedly, take out of by spiral sediment transport machine, discharges after vibratory sieve washes once more through cleaning then, for repairing the roads utilization; Thin mud after the water dilution enters the sedimentation of sludge settling chamber by the dividing plate screen cloth of washed-out sand chamber and sludge settling chamber, when the concentration of mud reaches 〉=discharges 40% the time, pump into the filter press filter-press dehydration through force (forcing) pump, obtain dehydrated sludge cake behind the filter-press dehydration, produce the mix utilization as moulded coal among the method step b of integrated treatment of petroleum and petrochemical industry oily sludge and recycling, the filtrate water that obtains after the press filtration is as seperator water heater supplementing water and the utilization of washed-out sand water, sand oil content after washing is reduced to below the 3000mg/kg, reach agricultural mud discharging standard, be used to repair the roads and the depression banket.

According to above-mentioned oil recycling treatment method of oil-bearing sludge, the moisture content of described oil exploitation mud is 45～98%.

According to above-mentioned oil recycling treatment method of oil-bearing sludge, destabilizing agent described in the step a is the mixture of bleaching powder and lime or is the aqueous solution of aluminum sulfate and polyacrylamide, the shared weight percentage of bleaching powder is 10～40% in the mixture of described bleaching powder and lime, the percentage concentration of the aqueous solution of described aluminum sulfate and polyacrylamide is 20～30%, when aluminum sulfate and polyacrylamide mix wherein the shared weight percentage of aluminum sulfate be 90～99%.

According to above-mentioned oil recycling treatment method of oil-bearing sludge, the temperature of hot water described in the step b is 80～90 ℃.

According to above-mentioned oil recycling treatment method of oil-bearing sludge, the top of seperator described in the step b is spiral agitator and grid, grid is outward a collection tank, middle is washed-out sand chamber and sludge settling chamber, washed-out sand chamber and bottom, sludge settling chamber are respectively equipped with spiral desanding desilter, and the bottom is provided with the moulded coal heating furnace; Described sludge settling chamber separates with 20～80 purpose dividing plate screen clothes; Keep 80～90 ℃ of water temperatures in the moulded coal heating furnace that described seperator bottom is provided with.

According to above-mentioned oil recycling treatment method of oil-bearing sludge, dehydrated sludge cake moisture content described in the described step c is≤85%.

Handled oil exploitation mud remainder in the described oil recycling treatment method of oil-bearing sludge is used among the method step b of integrated treatment of petroleum and petrochemical industry oily sludge and recycling as the moulded coal mix.

The method of integrated treatment of a kind of petroleum and petrochemical industry oily sludge and recycling said method comprising the steps of:

A, be that 80～98% petrochemical sludge is mixed and joined that to account for the petrochemical sludge volume ratio be 5～30% coal dust or colliery powder and to account for the petrochemical sludge volume ratio be that 3～10% dehydrating agent stirs with moisture content, the filter bag of packing into after stirring, its filter bag is sent into press dewatering in the squeezer bucket, the squeezer bucket fills up the back pressurizing and dehydrating, and pressure is 300～500kg/cm 2, when pressure stability, pressurize 0.2～1 hour after the anhydrous discharge of the osculum of squeezer bucket, is taken out its filter bag, is the slag batch mixing in the filter bag, becomes block;

B, the slag batch mixing of squeezing back gained sent in the pulverizer pulverize, pulverizer is pulverized the grain diameter≤15mm of back slag batch mixing, powder after screening is pulverized, grain diameter be 5～15mm particulate material directly on stoker fired grate with the coal multifuel combustion, the powder of grain diameter≤5mm is mixed and accounts for powder weight is 5～15% powder of straw, 0.3～1% combustion adjuvant, 40～50% dehydrated sludge cakes and 20～50% oil exploitation mud stir, described dehydrated sludge cake is the dehydrated sludge cake of gained among the above-mentioned oil recycling treatment method of oil-bearing sludge step c, described oil exploitation mud is remainder oil exploitation mud in the above-mentioned oil recycling treatment method of oil-bearing sludge, utilize molding coal machine to make moulded coal the compound after stirring, moulded coal boiler of feeding burning behind natural air drying utilize or above-mentioned oil recycling treatment method of oil-bearing sludge step b described in the five water heater utilizations that are separated machine;

C, adopt conventional oil removal method to separate the oil water mixture that obtains behind the step a press dewatering, sewage after the separation, part is used for described in the above-mentioned oil recycling treatment method of oil-bearing sludge step b the five machine heating furnace supplementing water that are separated, the residue sewage transport is handled to sewage treatment plant, and gained oil is recycled through oil-collecting device.

According to the method for integrated treatment of above-mentioned petroleum and petrochemical industry oily sludge and recycling, contain sump oil mud and biological scum silica frost described in the step a in the petrochemical sludge.

According to the method for integrated treatment of above-mentioned petroleum and petrochemical industry oily sludge and recycling, dehydrating agent described in the step a is lime or aluminum sulfate; Described moisture content≤40% with filter bag squeezing back gained slag batch mixing.

According to the method for integrated treatment of above-mentioned petroleum and petrochemical industry oily sludge and recycling, pulverizer described in the step b is a beater grinder; Described combustion adjuvant is the mixture of nitrate and sawdust, and the shared percentage composition of nitrate is 1～3% in the described mixture, and the shared percentage composition of sawdust is 97～99%; Described moulded coal moisture content＜40% of making, moisture content is 5～12% behind natural air drying; Described calorific value of fuel 〉=the 6000kj/kg that makes moulded coal.

Capital equipment and equipment investment see Table one in the oil oily sludge recycling treatment process.

Table one: capital equipment and equipment investment

Oily sludge processing cost per ton sees Table two.

Table two: oily sludge recycling treatment cost per ton

The income that reclaims the oily sludge processing per ton of fuel and making moulded coal in the technical solution of the present invention sees Table three.

Table three: reclaim fuel and make the income that moulded coal oily sludge per ton is handled

The positive beneficial effect of the present invention:

1, the present invention adopts five machines that are separated that the oil oily sludge is carried out recycling treatment, and this seperator will stir, screens, washs and be heated to be one, and the employing mechanical mode is separated, water recycles, and can not cause secondary pollution.Technical solution of the present invention is proceeded from the reality, adaptability strong, be convenient to operation, finally burns by the moulded coal mode, and burning time is long, temperature is high, complete decomposition, and the discharging flue gas is up to state standards fully.

2, the press dewatering technology that adopts in the petrochemical sludge processing procedure of the present invention can make the material water ratio after the dehydration reduce to below 40%, is that treatment technology is unapproachable both at home and abroad at present.Because the moisture content of gained slag batch mixing is lower than the volatile matter of fuel behind the press dewatering, so can burn.Adopt filter bag in squeezer, to dewater,, solved the problem of high filter press cloth fragmentation, and the water solid content that squeezes out is low, can enter sewage treatment plant and handle again or discharge because filter cloth irregular cloth bag in squeezer distributes.

3, it is low to adopt technical solution of the present invention to handle 1 ton of petrochemical industry oily sludge expense, and its expense is below 200 yuan, and the fuel of making in this process (for example moulded coal) can fully utilize.Therefore, present technique is a new road of benefit type that the reduction process expense is disposed, thereby has solved the useless high technical barrier of disposal costs of danger.

4, synthetic fuel in the petrochemical sludge processing procedure, the uses checking through several years: having that burning velocity is fast, residue is few, organic substance all decomposes, is a kind of green synthetic fuel.Because sulfur content is lower, greatly reduce the discharge capacity of sulfur dioxide, other pollutant all reaches discharging standards (seeing table four for details).

Table four: test fume emission situation

5, technical solution of the present invention has been accomplished whole comprehensive utilizations, whole resource basically to the oil oily sludge.The present invention adopts five machines that are separated in oil oily sludge processing procedure, this seperator will stir, screens, washs and be heated to be one, adopts that mechanical mode is separated, water recycles, and can not cause secondary pollution.Technical solution of the present invention is proceeded from the reality, adaptability strong, be convenient to operation, finally burns by the moulded coal mode, and burning time is long, temperature height, complete decomposition, and the discharging flue gas is up to state standards fully.

6, employing technical solution of the present invention processing oil oily sludge equipment input is little, operating cost is low, economic benefit is high.The device that day processing of one cover is 20 tons, investment only needs 800,000 yuan (seeing table two for details).

7, adopting technical solution of the present invention can handle petrochemical industry oily sludge and oil exploitation mud simultaneously, is a kind of new way of thorough solution oily sludge problem.The technology of the present invention has solved the technical barrier that current mud, greasy filth are handled, and especially adopts the mechanical expression technology, has solved the problem of sludge moisture content, makes comprehensive utilization of mud, reaches zero-emission and become a reality.Thereby the technology of the present invention has promotional value in petrochemical industry and the processing of oil-gas mining industry greasy dirt.

Four, description of drawings:

The process chart of a kind of oil recycling treatment method of oil-bearing sludge of Fig. 1

The process chart of the method for Fig. 2 a kind of petroleum and petrochemical industry oily sludge integrated treatment and recycling

Five, the specific embodiment:

Following examples only in order to further specify the present invention, do not limit content of the present invention.

Contain sump oil mud and biological scum silica frost in the petrochemical sludge that the present invention handles, the moisture content of petrochemical sludge is 80～98%; Oil exploitation mud is one or more mixture of operation, perforation oily sludge, drilling well oil-base mud, clear jar bed mud, other sump oils, and the moisture content of oil exploitation mud is 45～98%.

The five machine tops that are separated that the present invention is adopted in the oil recycling treatment method of oil-bearing sludge are spiral agitator and grid, grid is outward a collection tank, middle is washed-out sand chamber and sludge settling chamber, washed-out sand chamber and bottom, sludge settling chamber are respectively equipped with spiral desanding desilter, and the bottom is provided with the moulded coal heating furnace; The sludge settling chamber separates with 20～80 purpose dividing plate screen clothes; Keep 80～90 ℃ of water temperatures in the moulded coal heating furnace that the seperator bottom is provided with, heating furnace.

Embodiment one:

A kind of oil recycling treatment method of oil-bearing sludge, the detailed step of this processing method is as follows:

A, be that 80～98% oil exploitation mud is to add the destabilizing agent (destabilizing agent is the mixture of 20% bleaching powder and 80% lime) that accounts for its weight 2% in the oil oily sludge to stir at moisture content, five machines that are separated are sent mixed material into by feeder in the back that stirs;

B, mixed material enter five and are separated and stir through agitator earlier behind the machine, add the hot water that accounts for its weight 30～40% according to oil oily sludge per ton, under the effect that adds hot water (temperature of hot water is 80～90 ℃), banded plastics foreign material in the mud are opened cleaning, by the grid that rotates its foreign material are pulled out, after carrying out conventional heating plasticizing, utilize as the waterproof roll inserts;

Oil in c, the mud, mud, sand are along with the injection of hot water enters middle washed-out sand chamber of seperator and sludge settling chamber by grid, and the oil in the mud is discharged recycling in the floating gathering in the top of middle washed-out sand chamber and sludge settling chamber by collection tank; Sand in the mud falls into bottom, washed-out sand chamber after the washed-out sand chamber is stirred, washed repeatedly, take out of by spiral sediment transport machine, discharges after vibratory sieve washes once more through cleaning then, for repairing the roads utilization; Thin mud after the water dilution enters the sedimentation of sludge settling chamber by the dividing plate screen cloth of washed-out sand chamber and sludge settling chamber, when the concentration of mud reaches 〉=discharges 40% the time, pump into the filter press filter-press dehydration through force (forcing) pump, obtain dehydrated sludge cake behind the filter-press dehydration, the moisture content of dehydrated sludge cake≤85%, produce mix (promptly producing the mix utilization) as moulded coal as moulded coal among the method step b of integrated treatment of petroleum and petrochemical industry oily sludge and recycling, the filtrate water that obtains after the press filtration is as seperator water heater supplementing water and the utilization of washed-out sand water, sand oil content after washing is reduced to below the 3000mg/kg, reach agricultural mud discharging standard, be used to repair the roads and the depression banket;

The method of integrated treatment of a kind of petroleum and petrochemical industry oily sludge and recycling, the detailed step of this method is as follows:

A, be that 80～98% petrochemical sludge is mixed and joined that to account for the petrochemical sludge volume ratio be 15% coal dust and to account for the petrochemical sludge volume ratio be that 5% lime dehydrating agent stirs with moisture content, the filter bag of packing into after stirring, its filter bag is sent into press dewatering in the squeezer bucket, the squeezer bucket fills up the back pressurizing and dehydrating, and pressure is 400kg/cm 2, when pressure stability, pressurize 0.2～1 hour after the anhydrous discharge of the osculum of squeezer bucket, is taken out its filter bag, is the slag batch mixing in the filter bag, becomes block, moisture content≤40% of gained slag batch mixing;

B, the slag batch mixing of squeezing back gained sent in the beater grinder pulverize, pulverizer is pulverized the grain diameter≤15mm of back slag batch mixing, powder after screening is pulverized, grain diameter be 5～15mm particulate material directly on stoker fired grate with the coal multifuel combustion, the powder of grain diameter≤5mm is mixed and accounts for powder weight is 10% powder of straw, 0.3% combustion adjuvant (combustion adjuvant is the mixture of 2% nitrate and 98% sawdust), 40% dehydrated sludge cake and 30% oil exploitation mud stir, described dehydrated sludge cake is the dehydrated sludge cake of gained among the above-mentioned oil recycling treatment method of oil-bearing sludge step c, described oil exploitation mud is part oil exploitation mud remaining in the oil recycling treatment method of oil-bearing sludge, utilize molding coal machine to make moulded coal the compound after stirring, the moisture content of moulded coal＜40%, moulded coal moisture content after natural air drying and heat release reduces to 5～12%, calorific value of fuel 〉=the 6000kj/kg of moulded coal, boiler of feeding burning utilize or above-mentioned oil recycling treatment method of oil-bearing sludge step b described in five the be separated water heaters of machine used;

C, adopt conventional oil removal method to separate the oil water mixture that obtains behind the step a press dewatering, sewage after the separation, part is used for described in the above-mentioned oil recycling treatment method of oil-bearing sludge step b the five machine heating furnace supplementing water that are separated, the residue sewage transport is handled to sewage treatment plant, and gained oil is recycled through oil-collecting device;

Embodiment two: basic identical with embodiment one, difference is:

A kind of oil recycling treatment method of oil-bearing sludge is with embodiment one difference in this processing method: add the destabilizing agent that accounts for oil exploitation mud weight 3% among the step a, destabilizing agent is the mixture of 30% bleaching powder and 70% lime; Add the hot water that accounts for its weight 40～45% according to oil oily sludge per ton among the step b.

The method of integrated treatment of a kind of petroleum and petrochemical industry oily sludge and recycling is with embodiment one difference in this method:

Step a: mix in petrochemical sludge and join that to account for the petrochemical sludge volume ratio be 10% colliery powder and to account for the petrochemical sludge volume ratio be 8% aluminum sulfate dehydrating agent, the pressure during the squeezer press dewatering is 300kg/cm 2

Step b: being mixed at the powder of grain diameter≤5mm, to account for powder weight be 15% powder of straw, 0.5% combustion adjuvant (combustion adjuvant is the mixture of 3% nitrate and 97% sawdust), 45% dehydrated sludge cake and 25% oil exploitation mud.

Embodiment three: basic identical with embodiment one, difference is:

A kind of oil recycling treatment method of oil-bearing sludge is with embodiment one difference in this processing method: add the destabilizing agent that accounts for oil exploitation mud weight 1% among the step a, destabilizing agent is the mixture of 10% bleaching powder and 90% lime; Add the hot water that accounts for its weight 45～50% according to oil oily sludge per ton among the step b.

The method of integrated treatment of a kind of petroleum and petrochemical industry oily sludge and recycling is with embodiment one difference in this method:

Step a: mix in petrochemical sludge and join that to account for the petrochemical sludge volume ratio be 5% colliery powder and to account for the petrochemical sludge volume ratio be 10% lime dehydrating agent, the pressure during the squeezer press dewatering is 350kg/cm 2

Step b: being mixed at the powder of grain diameter≤5mm, to account for powder weight be 5% powder of straw, 0.8% combustion adjuvant (combustion adjuvant is the mixture of 1% nitrate and 99% sawdust), 50% dehydrated sludge cake and 35% oil exploitation mud.

Embodiment four: basic identical with embodiment one, difference is:

A kind of oil recycling treatment method of oil-bearing sludge, in this processing method, be: add the destabilizing agent that accounts for oil exploitation mud weight 2.5% with embodiment one difference, destabilizing agent is the aqueous solution of 94% aluminum sulfate and 6% polyacrylamide amine blends, and the percentage concentration of the aqueous solution is 20%; Add the hot water that accounts for its weight 50～60% according to oil oily sludge per ton among the step b.

The method of integrated treatment of a kind of petroleum and petrochemical industry oily sludge and recycling is with embodiment one difference in this method:

Step a: mix in petrochemical sludge and join that to account for the petrochemical sludge volume ratio be 20% colliery powder and to account for the petrochemical sludge volume ratio be 3% aluminum sulfate dehydrating agent, the pressure during the squeezer press dewatering is 450kg/cm 2

Step b: being mixed at the powder of grain diameter≤5mm, to account for powder weight be 8% powder of straw, 0.4% combustion adjuvant (combustion adjuvant is the mixture of 2% nitrate and 98% sawdust), 42% dehydrated sludge cake and 20% oil exploitation mud.

Embodiment five: basic identical with embodiment one, difference is:

A kind of oil recycling treatment method of oil-bearing sludge, in this processing method, be: add the destabilizing agent that accounts for oil exploitation mud weight 3% among the step a with embodiment one difference, destabilizing agent is the aqueous solution of 90% aluminum sulfate and 10% polyacrylamide amine blends, and the percentage concentration of the aqueous solution is 25%; Add the hot water that accounts for its weight 60～70% according to oil oily sludge per ton among the step b.

The method of integrated treatment of a kind of petroleum and petrochemical industry oily sludge and recycling is with embodiment one difference in this method:

Step a: mix in petrochemical sludge and join that to account for the petrochemical sludge volume ratio be 25% coal dust and to account for the petrochemical sludge volume ratio be 6% aluminum sulfate dehydrating agent, the pressure during the squeezer press dewatering is 500kg/cm 2

Step b: being mixed at the powder of grain diameter≤5mm, to account for powder weight be 10% powder of straw, 1% combustion adjuvant (combustion adjuvant is the mixture of 2% nitrate and 98% sawdust), 48% dehydrated sludge cake and 40% oil exploitation mud.

Embodiment six: basic identical with embodiment one, difference is:

A kind of oil recycling treatment method of oil-bearing sludge, in this processing method, be: add the destabilizing agent that accounts for oil exploitation mud weight 3% among the step a with embodiment one difference, destabilizing agent is the aqueous solution of 99% aluminum sulfate and 1% polyacrylamide amine blends, and the percentage concentration of the aqueous solution is 30%; Add the hot water that accounts for its weight 70～85% according to oil oily sludge per ton among the step b.

The method of integrated treatment of a kind of petroleum and petrochemical industry oily sludge and recycling is with embodiment one difference in this method:

Step a: mix in petrochemical sludge and join that to account for the petrochemical sludge volume ratio be 30% colliery powder and to account for the petrochemical sludge volume ratio be 9% lime dehydrating agent, the pressure during the squeezer press dewatering is 400kg/cm 2

Step b: being mixed at the powder of grain diameter≤5mm, to account for powder weight be 6% powder of straw, 0.8% combustion adjuvant (combustion adjuvant is the mixture of 2% nitrate and 98% sawdust), 40% dehydrated sludge cake and 50% oil exploitation mud.

Claims (6)

1. an oil recycling treatment method of oil-bearing sludge is characterized in that, the treating method comprises following steps:
A, be to add the destabilizing agent account for its weight 1～3% in the oil oily sludge to stir at oil exploitation mud, five machines that are separated are sent mixed material into by feeder in the back that stirs;
B, mixed material enter five and are separated and stir through agitator earlier behind the machine, add the hot water that accounts for its weight 30～85% according to oil oily sludge per ton, under the effect that adds hot water, banded plastics foreign material in the mud are opened cleaning, by the grid that rotates its foreign material are pulled out, utilized as the waterproof roll inserts;
Oil in c, the mud, mud, sand are along with the injection of hot water enters middle washed-out sand chamber of seperator and sludge settling chamber by grid, and the oil in the mud is discharged recycling in the floating gathering in the top of middle washed-out sand chamber and sludge settling chamber by collection tank; Sand in the mud falls into bottom, washed-out sand chamber after the washed-out sand chamber is stirred, washed repeatedly, take out of by spiral sediment transport machine, discharges after vibratory sieve washes once more through cleaning then, for repairing the roads utilization; Thin mud after the water dilution enters the sedimentation of sludge settling chamber by the dividing plate screen cloth of washed-out sand chamber and sludge settling chamber, when the concentration of mud reaches 〉=discharges 40% the time, pump into the filter press filter-press dehydration through force (forcing) pump, obtain dehydrated sludge cake behind the filter-press dehydration, produce mix as moulded coal, the filtrate water that obtains after the press filtration is as seperator water heater supplementing water and the utilization of washed-out sand water, and the sand oil content after washing is reduced to below the 3000mg/kg, reach agricultural mud discharging standard, be used to repair the roads and the depression banket.
2. oil recycling treatment method of oil-bearing sludge according to claim 1 is characterized in that: the moisture content of described oil exploitation mud is 45～98%.
3. oil recycling treatment method of oil-bearing sludge according to claim 1, it is characterized in that: destabilizing agent described in the step a is the mixture of bleaching powder and lime or is the aqueous solution of aluminum sulfate and polyacrylamide, the shared weight percentage of bleaching powder is 10～40% in the mixture of described bleaching powder and lime, the percentage concentration of the aqueous solution of described aluminum sulfate and polyacrylamide is 20～30%, when aluminum sulfate and polyacrylamide mix wherein the shared weight percentage of aluminum sulfate be 90～99%.
4. oil recycling treatment method of oil-bearing sludge according to claim 1 is characterized in that: the temperature of hot water described in the step b is 80～90 ℃.
5. oil recycling treatment method of oil-bearing sludge according to claim 1, it is characterized in that: the top of seperator described in the step b is spiral agitator and grid, grid is outward a collection tank, middle is washed-out sand chamber and sludge settling chamber, washed-out sand chamber and bottom, sludge settling chamber are respectively equipped with spiral desanding desilter, and the bottom is provided with the moulded coal heating furnace; Described sludge settling chamber separates with 20～80 purpose dividing plate screen clothes; Keep 80～90 ℃ of water temperatures in the moulded coal heating furnace that described seperator bottom is provided with.
6. oil recycling treatment method of oil-bearing sludge according to claim 1 is characterized in that: the moisture content of dehydrated sludge cake described in the step c≤85%.
CN2009100652748A 2009-06-26 2009-06-26 Resource processing method of petroleum-containing sludge in petroleum , comprehensive processing method of petroleum-containing sludge in petroleum and petrochemical and resource recycling method CN101633547B (en)

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CN101928623A (en) * 2010-09-03 2010-12-29 卢秉威 Preparation method of sludge straw biomass fuel
CN101962590B (en) * 2010-09-06 2013-07-17 广州绿由工业弃置废物回收处理有限公司 Regenerative coal produced by multiple kinds of oily sludge in oil refinery and preparation method thereof
CN102674653B (en) * 2012-05-11 2013-10-09 程中和 Rapid solid-liquid separator for oil-containing sludge
CN105217902A (en) * 2014-06-23 2016-01-06 侯向明 Oily sludge stores chemical oil pool and treatment process thereof
CN104250573B (en) * 2014-09-19 2017-05-03 沈阳建筑大学 Fuel and preparation method thereof
CN104628235A (en) * 2015-02-28 2015-05-20 西安市利生污泥处理有限公司 Sludge deodorant as well as preparation method and application thereof
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