CN102765911A - Method for manufacturing building materials by sludge sand of oil extraction - Google Patents

Method for manufacturing building materials by sludge sand of oil extraction Download PDF

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Publication number
CN102765911A
CN102765911A CN2012102660789A CN201210266078A CN102765911A CN 102765911 A CN102765911 A CN 102765911A CN 2012102660789 A CN2012102660789 A CN 2012102660789A CN 201210266078 A CN201210266078 A CN 201210266078A CN 102765911 A CN102765911 A CN 102765911A
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China
Prior art keywords
sand
oil
sludge
water
washing
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Pending
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CN2012102660789A
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Chinese (zh)
Inventor
梁玉海
张俊峰
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梁玉海
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Priority to CN2012102660789A priority Critical patent/CN102765911A/en
Publication of CN102765911A publication Critical patent/CN102765911A/en
Pending legal-status Critical Current

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Abstract

The invention provides a method for manufacturing building materials by sludge sand of oil extraction. The technical scheme is as follows: separating oil, water, sludge and sand firstly, adding 20-60% of cement, 10-40% of white ash, 1-10% of foaming agent and 30-70% of clear water into the separated sand to prepare mortar, pouring into a mold, standing for 1-10 hours and then transferring to an autoclave, heating to 100-300 DEG C, preserving for 1-7 hours and then taking out to obtain an air-entrained foamed concrete block. By adopting the method, the soil and environment pollution problems of the oil-containing sludge sand are effectively solved, the waste is changed into renewable resource, precious energy and large amounts of funds are saved, and great social benefit and economic benefit are generated, therefore, the method is suitable for wide popularization and use.

Description

A kind of method of using oil exploitation sludge sand making building materials
Technical field:
The present invention relates to a kind of method of utilizing of oily sandy sludge, especially a kind of method of using oil exploitation sludge sand making building materials.
Background technology:
Oily sandy sludge mainly is that the oil field produces in petroleum prospecting, exploitation; The composition of oily sandy sludge own is comparatively complicated; Contain a large amount of aging crude oil, wax, colloid, suspended solid, salt, sour gas or the like, the existence of these compositions causes under the natural condition the decompositions needs years up to a hundred fully; Oily sludge directly effluxes and can take a large amount of soils, and its toxic substance that contains meeting polluted water, soil and air worsen ecotope; At present, oil field oil-containing mud sand is put into the oily waste class (HW08 item) in " national Hazardous wastes catalogue "; (16 * 108t/a) estimations have nearly 1,000,000 tons oil sludge and sand to produce every year, and are seriously polluted, need to be resolved hurrily according to the present crude production rate of China.
Summary of the invention
The object of the invention is exactly the defective that exists to prior art, and a kind of method of using oil exploitation sludge sand making building materials of utilization of waste material is provided.Its technical scheme is: earlier oily sandy sludge is carried out oil, water, mud, four separation of sand; The cement of sand interpolation 20%-60% after the separation and 10%-40% lime and 1%-10% whipping agent and 30-70% clear water are prepared into mortar and are poured in the mould; After leaving standstill in 1-10 hour; Change preface to autoclave and be heated to 100-300 ℃, and insulation taking-up after 1-7 hour, promptly be made into the aerating foam concrete block.Product is tested its performance according to " GB 11968-2006 autoclave aerated concrete building block "; Density is 600kg/m3, and ultimate compression strength is 5.0Mpa, and all the other indexs meet B600; The index request of A5.0 is handled with solidification method with traditional burning and to be compared the recycling of having realized refuse.
The oily sandy sludge processing technological flow is: oily sandy sludge gets into sand-washing device through sand pump in the pond; After sand-washing device cleaned separation, sand was disposed to the washed-out sand jar, and sand-washing device overflow sewage, sump oil, mud go back to sump oil silt particle pond and reclaims; Adding the joint station oil extraction-generated waste water in the washed-out sand jar mixes; Open the tank top whisking appliance and carry out stirring while wash, mixed sand water liquid is promoted to thickener by concentrate pump to carry out secondary cleaning and concentrates, and the sand entering concentration tank after concentrating concentrates; The thickener overflow liquid flows back to mud sand pond; Long-pending sand in the concentration tank regularly discharges, and drains into transfer roller and is promoted to vibratory screening apparatus and carries out the sand water sepn, and sewage is squeezed into the joint station waste disposal plant through sump pump and handled by the oil recovery factory.
The making flow process of aerating foam concrete block is: the oil sludge and sand after the physical treatment-interpolation cement, lime, auxiliary agent--preparation mortar-foams mix stirs-leaves standstill-steam setting-out thermal synthesis-foam concrete block.
The present invention has effectively solved oily sandy sludge contaminated soil and problem of environment, and refuse is become renewable resource, has practiced thrift the valuable energy and a large amount of funds, can have a tremendous social and economic benefits, and is fit to generally promote the use of.
Embodiment
The oily sandy sludge processing technological flow is: oily sandy sludge gets into sand-washing device through sand pump in the pond; After sand-washing device cleaned separation, sand was disposed to the washed-out sand jar, and sand-washing device overflow sewage, sump oil, mud go back to sump oil silt particle pond and reclaims; Adding the joint station oil extraction-generated waste water in the washed-out sand jar mixes; Open the tank top whisking appliance and carry out stirring while wash, mixed sand water liquid is promoted to thickener by concentrate pump to carry out secondary cleaning and concentrates, and the sand entering concentration tank after concentrating concentrates; The thickener overflow liquid flows back to mud sand pond; Long-pending sand in the concentration tank regularly discharges, and drains into transfer roller and is promoted to vibratory screening apparatus and carries out the sand water sepn, and sewage is squeezed into the joint station waste disposal plant through sump pump and handled by the oil recovery factory.
The making flow process of aerating foam concrete block is: the oil sludge and sand after the physical treatment-interpolation cement, lime, auxiliary agent--preparation mortar-foams mix stirs-leaves standstill-steam setting-out thermal synthesis-foam concrete block.
Main technologic parameters
1, goods unit weight is by the control of 700 kilograms per cubic meter;
2, churning time: 15-20 minute;
3, the cast slurry temperature is 20-50 degree centigrade;
4, base substrate is quiet stops.Time 3-5 hour, (about 30 ° of temperature, the quiet back blank strength 0.15-0.18Mpa that stops; )
Embodiment 1: the cement of the sand interpolation 20% after the separation and 10% lime and 1% whipping agent and 30% clear water are prepared into mortar and are poured in the mould; After leaving standstill in 1-10 hour; Change preface to autoclave and be heated to 100-300 ℃; And insulation taking-up after 1-7 hour, promptly be made into the aerating foam concrete block.Product is tested its performance according to " GB 11968-2006 autoclave aerated concrete building block "; Density is 600kg/m3, and ultimate compression strength is 5.0Mpa, and all the other indexs meet B600; The index request of A5.0 is handled with solidification method with traditional burning and to be compared the recycling of having realized refuse.
Embodiment 2: the cement of the sand interpolation 30% after the separation and 20% lime and 5% whipping agent and 40% clear water are prepared into mortar and are poured in the mould; After leaving standstill in 1-10 hour; Change preface to autoclave and be heated to 100-300 ℃; And insulation taking-up after 1-7 hour, promptly be made into the aerating foam concrete block.Product is tested its performance according to " GB 11968-2006 autoclave aerated concrete building block "; Density is 600kg/m3, and ultimate compression strength is 5.0Mpa, and all the other indexs meet B600; The index request of A5.0 is handled with solidification method with traditional burning and to be compared the recycling of having realized refuse.
Embodiment 3: the cement of the sand interpolation 60% after the separation and 40% lime and 10% whipping agent and 70% clear water are prepared into mortar and are poured in the mould; After leaving standstill in 1-10 hour; Change preface to autoclave and be heated to 100-300 ℃; And insulation taking-up after 1-7 hour, promptly be made into the aerating foam concrete block.Product is tested its performance according to " GB 11968-2006 autoclave aerated concrete building block "; Density is 600kg/m3, and ultimate compression strength is 5.0Mpa, and all the other indexs meet B600; The index request of A5.0 is handled with solidification method with traditional burning and to be compared the recycling of having realized refuse.
The present invention has effectively solved oily sandy sludge contaminated soil and problem of environment, and refuse is become renewable resource, has practiced thrift the valuable energy and a large amount of funds, can have a tremendous social and economic benefits, and is fit to generally promote the use of.

Claims (2)

1. use the method that oil exploitation sludge sand is made building materials for one kind; It is characterized in that: earlier oily sandy sludge is carried out oil, water, mud, four separation of sand; The cement of sand interpolation 20%-60% after the separation and 10%-40% lime and 1%-10% whipping agent and 30-70% clear water are prepared into mortar and are poured in the mould, after leaving standstill in 1-10 hour, change preface to autoclave and are heated to 100-300 ℃; And insulation taking-up after 1-7 hour, promptly be made into the aerating foam concrete block.
2. a kind of method that oil exploitation sludge sand is made building materials of using according to claim 1, it is characterized in that: oily sandy sludge separation processes flow process is: oily sandy sludge gets into sand-washing device through sand pump in the pond, after sand-washing device cleans separation; Sand is disposed to the washed-out sand jar; Sand-washing device overflow sewage, sump oil, mud go back to sump oil silt particle pond and reclaim, and add the joint station oil extraction-generated waste water in the washed-out sand jar and mix, and open the tank top whisking appliance and carry out stirring while washing; Mixed sand water liquid is promoted to thickener by concentrate pump to carry out secondary cleaning and concentrates; Sand after concentrating gets into concentration tank and concentrates, and the thickener overflow liquid flows back to mud sand pond, and the long-pending sand in the concentration tank regularly discharges; Drain into transfer roller and be promoted to vibratory screening apparatus and carry out the sand water sepn, sewage is squeezed into the joint station waste disposal plant through sump pump and is handled by the oil recovery factory.
CN2012102660789A 2012-07-23 2012-07-23 Method for manufacturing building materials by sludge sand of oil extraction Pending CN102765911A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CN2012102660789A CN102765911A (en) 2012-07-23 2012-07-23 Method for manufacturing building materials by sludge sand of oil extraction

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CN102765911A true CN102765911A (en) 2012-11-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103028364A (en) * 2012-12-13 2013-04-10 河海大学 Application of autoclaved aerated concrete debris to adsorption of oil leakages
CN103467042A (en) * 2013-09-11 2013-12-25 山东理工大学 Oiled-sand foam concrete building block and manufacturing method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1195017A (en) * 1998-02-24 1998-10-07 谢宏明 Process for extracting crude oil from waste oil sludge
CN1887752A (en) * 2006-07-03 2007-01-03 濮阳市天地人环保工程技术有限公司 Oil field sludge resource treating process
CN101100364A (en) * 2006-07-05 2008-01-09 桂殿宝 Method for producing ceramic granule from oil sludge sand
CN101265737A (en) * 2008-04-25 2008-09-17 张掖市擎天建材有限责任公司 Steam pressurized concrete composite heat insulation building blocks and its production process
CN101319607A (en) * 2008-07-22 2008-12-10 濮阳市天地人环保工程技术有限公司 Method for no-grounding treatment and comprehensive utilization of oil-gas field downhole operation output solution
CN101684040A (en) * 2008-09-25 2010-03-31 马健毅 Calcining-free brick prepared from silt after oil extraction for second time

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1195017A (en) * 1998-02-24 1998-10-07 谢宏明 Process for extracting crude oil from waste oil sludge
CN1887752A (en) * 2006-07-03 2007-01-03 濮阳市天地人环保工程技术有限公司 Oil field sludge resource treating process
CN101100364A (en) * 2006-07-05 2008-01-09 桂殿宝 Method for producing ceramic granule from oil sludge sand
CN101265737A (en) * 2008-04-25 2008-09-17 张掖市擎天建材有限责任公司 Steam pressurized concrete composite heat insulation building blocks and its production process
CN101319607A (en) * 2008-07-22 2008-12-10 濮阳市天地人环保工程技术有限公司 Method for no-grounding treatment and comprehensive utilization of oil-gas field downhole operation output solution
CN101684040A (en) * 2008-09-25 2010-03-31 马健毅 Calcining-free brick prepared from silt after oil extraction for second time

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
盖明金: "油田开发过程中主要污染物的产生及防治措施", 《中国石油大学胜利学院学报》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103028364A (en) * 2012-12-13 2013-04-10 河海大学 Application of autoclaved aerated concrete debris to adsorption of oil leakages
CN103028364B (en) * 2012-12-13 2014-12-10 河海大学 Application of autoclaved aerated concrete debris to adsorption of oil leakages
CN103467042A (en) * 2013-09-11 2013-12-25 山东理工大学 Oiled-sand foam concrete building block and manufacturing method thereof

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Application publication date: 20121107