CN108503187A - A kind of method that oily sludge goes water-coal-slurry harmless treatment - Google Patents
A kind of method that oily sludge goes water-coal-slurry harmless treatment Download PDFInfo
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- CN108503187A CN108503187A CN201710110330.XA CN201710110330A CN108503187A CN 108503187 A CN108503187 A CN 108503187A CN 201710110330 A CN201710110330 A CN 201710110330A CN 108503187 A CN108503187 A CN 108503187A
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- 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
-
- 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
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/24—Organic compounds containing sulfur, selenium and/or tellurium
- C10L1/2431—Organic compounds containing sulfur, selenium and/or tellurium sulfur bond to oxygen, e.g. sulfones, sulfoxides
- C10L1/2437—Sulfonic acids; Derivatives thereof, e.g. sulfonamides, sulfosuccinic acid esters
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/32—Liquid carbonaceous fuels consisting of coal-oil suspensions or aqueous emulsions or oil emulsions
- C10L1/326—Coal-water suspensions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0916—Biomass
- C10J2300/0923—Sludge, e.g. from water treatment plant
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/093—Coal
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0973—Water
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of methods that oily sludge goes water-coal-slurry harmless treatment, flocculant is added into oily sludge, it is sufficiently stirred rear dehydration and drying, the oily sludge solid after desiccation and coal dust mixed preparing water-coal-slurry are pumped to Texaco stove high-temperature gasification and realize harmless treatment.The settleability that flocculant increases oily sludge is added, the grease of press filtration can carry out secondary use;Oily sludge volume after dehydration and drying becomes smaller, and carries out the influence with slurry for reducing sludge to viscosity in aqueous coal slurries as solid;Treated, and there is oily sludge good combustion heat value, the thermal energy of generation to have significant economic benefit.
Description
Technical field
The present invention relates to Industrial Solid Waste processing technology field, specially a kind of oily sludge goes water-coal-slurry harmless treatment
Method.
Background technology
Oily sludge is a kind of suspension emulsion body, is in thick, and viscosity is larger and is difficult to settle, and property is sufficiently stable,
Have the characteristics that yield is big, oil content is high and intractability is big.Oil exploitation, transport, refining and oily waste water treatment factory
A large amount of oily sludges are generated, discharges, the soil, water body and air of surrounding can be polluted, oil-containing if without being effectively treated
Also contain the poisonous and harmful substances such as a large amount of pathogens and heavy metal in sludge, there is prodigious harm to human health.Containing greasy dirt
Mud belongs to《National Hazard waste register》In specific hazardous waste, China's clear stipulaties must not carry out arbitrary discharge and therefore contain
Greasy dirt becomes a great problem of puzzlement oil refining industry.
Certain Petrochemical Enterprises generates a large amount of oily sludges when handling oily wastewater, and yield is about 3t/d, and solid content is about 20%,
Oil content 10%-15% easily occurs corruption and generates stench.In oily sludge containing a large amount of oil emulsions, can oil slick and dissolved oil,
The combustion heat can burn in 1200-1500kcal/kg, but burning facility investment and operating cost are higher, and single oil-containing
The burning utilization rate of sludge is very low.
The conventional treatment method of oily sludge is outer committee's processing after desiccation, and expense is about 2000 yuan/ton, is not only made to enterprise
At certain financial burden, and with the raising of environmental requirement, the processing requirement of dangerous waste is stringenter, can further limitation look forward to
The development of industry.
A kind of patent " microbial treatment method of oily sludge " (application number:201610519397.4) propose a kind of oil-containing
The microbial treatment method of sludge addition microorganism renovation agent and is uniformly mixed in oily sludge, and watering is turned over until containing greasy dirt
Mud reaches discharge standard, and patent directly carries out petroleum substance using the indigenous microorganism in sludge biodegradable but time-consuming
Longer and treatment effect is unstable." utilizing the experimental study of oily sludge production oil coke slurry " (magnifies pine, oil gas field environment is protected
Shield, 2010,20 (2):18-20) thinner is utilized to reduce the viscosity of oily sludge, water-coal-slurry is directly mixed with coal dust, it is real
The harmless treatment of existing oily sludge, but oily sludge can increase the viscosity of water-coal-slurry to a certain extent.
Water-coal-slurry have good mobility and stability, its main feature is that high combustion efficiency, low stain, economize on coal and environmental protection
Deng.Solid waste with certain calorific value can be with slurry in water-coal-slurry, by water-coal-slurry high-temp combustion realize it is innoxious and
Recycling treatment.
Invention content
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of oily sludges to go water-coal-slurry harmless
The method for changing processing, dehydrates oily sludge using the method for adding flocculant, the oily sludge after dehydration and drying
With coal dust mixed preparing water-coal-slurry, gasifies into Texaco's coal stove high temperature, realize the harmless treatment of oily sludge.
To achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of method that oily sludge goes water-coal-slurry harmless treatment, includes the following steps:
Step 1, the dehydration and drying of oily sludge:Flocculant is added into oily sludge, is sufficiently stirred rear filter-press dehydration, so
After dried;
Step 2, prepared by water-coal-slurry:The oily sludge after coal dust and desiccation is mixed according to certain mass number, with addition
Agent solution is added in blender together, and water-coal-slurry is made after mixing;
Step 3, gasification process:Water-coal-slurry obtained is sent into Texaco stove high-temperature gasification, realizes the nothing of oily sludge
Evilization processing.
On the basis of said program, in step 1, the flocculant is polyacrylamide or aluminium polychloride, dosage
For 40-60mg/L.
On the basis of said program, the moisture content of the oily sludge after step 1 drying is less than 5%.
On the basis of said program, in step 2, the additive solution is the mixed solution of additive and water.
On the basis of said program, in step 2, the specific proportioning of each component is as follows:
On the basis of said program, the additive is sodium lignin sulfonate or kayexalate.
On the basis of said program, in step 2, the stir speed (S.S.) of the blender is 300-500rpm, mixing time
For 20-30min.
On the basis of said program, in step 2, the viscosity in aqueous coal slurries of preparation is less than 1100mPa.S, meets GB/
T18855-2008 requirements, solid content 60%-62% meet the requirement of GB/T18855-2008 three-levels.
The processing method of oily sludge of the present invention, flocculant is added into oily sludge, is dehydrated after being sufficiently stirred dry
Change, it is innoxious to be pumped to the realization of Texaco stove high-temperature gasification for the oily sludge solid after desiccation and coal dust mixed preparing water-coal-slurry
Processing.
The advantages of above-mentioned technical proposal, is:
1, the settleability that flocculant increases oily sludge is added, the grease of press filtration can carry out secondary use.
2, the oily sludge volume after dehydration and drying becomes smaller, and carries out the oily sludge with slurry that reduces to water coal as solid
The influence of slurry viscosity.
3, treated, and there is oily sludge good combustion heat value, the thermal energy of generation to have significant economic benefit.
Specific implementation mode
The processing method of the oily sludge generated in a kind of sewage from oil refinery processing procedure of the present invention, using adding
The method of flocculant carries out dehydration and drying to oily sludge, the oily sludge after dehydration and drying and coal dust mixed preparing water-coal-slurry,
Texaco's coal stove high temperature gasification is entered back into, realizes the harmless treatment of oily sludge.
A kind of method that oily sludge goes water-coal-slurry harmless treatment, includes the following steps:
The dehydration and drying of step 1, oily sludge:Flocculant is added into oily sludge, is sufficiently stirred rear filter-press dehydration, so
After dried;
It is prepared by step 2, water-coal-slurry:The oily sludge after coal dust and desiccation is mixed according to certain mass number, with addition
Agent solution is added in blender together, and water-coal-slurry is made after mixing;
Step 3, gasification process:Water-coal-slurry obtained is sent into Texaco stove high-temperature gasification, realizes the nothing of oily sludge
Evilization processing.
On the basis of said program, in step 1, the flocculant is polyacrylamide or aluminium polychloride, dosage
For 40-60mg/L.
On the basis of said program, the moisture content of the oily sludge after step 1 drying is less than 5%.
On the basis of said program, in step 2, the additive solution is the mixed solution of additive and water.
On the basis of said program, in step 2, the specific proportioning of each component is as follows:
On the basis of said program, the additive is sodium lignin sulfonate or kayexalate.
On the basis of said program, in step 2, the stir speed (S.S.) of the blender is 300-500rpm, mixing time
For 20-30min.
On the basis of said program, in step 2, the viscosity in aqueous coal slurries of preparation is less than 1100mPa.S, meets GB/
T18855-2008 requirements, solid content 60%-62% meet the requirement of GB/T18855-2008 three-levels.
Invention is further described in detail with reference to embodiments.
Embodiment 1
The polyacrylamide that 40mg/L is added in oily sludge is sufficiently stirred rear filter-press dehydration, then carries out desiccation, desiccation
Moisture content afterwards is 5%.
It is proportionally that 59 parts of coal dust, 0.5 part of sodium lignin sulfonate, 34.5 parts of water distribution and desiccation is dewatered containing greasy dirt
6 parts of mud is added in blender, is kept stirring rate 500rpm stirring 20min, water-coal-slurry is made.
Prepared water-coal-slurry good fluidity, after measured, viscosity in aqueous coal slurries 820mPa.S, solid content 62%.
Embodiment 2
The aluminium polychloride that 55mg/L is added in oily sludge is sufficiently stirred rear filter-press dehydration, then carries out desiccation, desiccation
Moisture content afterwards is 4.5%.
It is proportionally that 63 parts of coal dust, 0.5 part of sodium styrene sulfonate, 34.5 parts of water distribution and desiccation is dewatered containing greasy dirt
2 parts of mud is added in blender, is kept stirring rate 300rpm stirring 30min, water-coal-slurry is made.
Prepared water-coal-slurry good fluidity, after measured, viscosity in aqueous coal slurries 720mPa.S, solid content 61.3%.
Embodiment 3
The polyacrylamide that 60mg/L is added in oily sludge is sufficiently stirred rear filter-press dehydration, then carries out desiccation, desiccation
Moisture content afterwards is 4.4%.
It is proportionally that 62 parts of coal dust, 0.5 part of sodium lignin sulfonate, 34.5 parts of water distribution and desiccation is dewatered containing greasy dirt
3 parts of mud is added in blender, is kept stirring rate 350rpm stirring 25min, water-coal-slurry is made.
Prepared water-coal-slurry good fluidity, after measured, viscosity in aqueous coal slurries 700mPa.S, solid content 61%.
Embodiment 4
The aluminium polychloride that 45mg/L is added in oily sludge is sufficiently stirred rear filter-press dehydration, then carries out desiccation, desiccation
Moisture content afterwards is 4.3%.
It is proportionally that 61 parts of coal dust, 0.5 part of sodium styrene sulfonate, 34.5 parts of water distribution and desiccation is dewatered containing greasy dirt
4 parts of mud is added in blender, is kept stirring rate 350rpm stirring 23min, water-coal-slurry is made.
Prepared water-coal-slurry good fluidity, after measured, viscosity in aqueous coal slurries 780mPa.S, solid content 61.5%.
Embodiment 5
The polyacrylamide that 50mg/L is added in oily sludge is sufficiently stirred rear filter-press dehydration, then carries out desiccation, desiccation
Moisture content afterwards is 4.3%.
It is proportionally that 60 parts of coal dust, 0.5 part of sodium lignin sulfonate, 34.5 parts of water distribution and desiccation is dewatered containing greasy dirt
5 parts of mud is added in blender, is kept stirring rate 400rpm stirring 27min, water-coal-slurry is made.
Prepared water-coal-slurry good fluidity, after measured, viscosity in aqueous coal slurries 800mPa.S, solid content 61.8%.
The content not being described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (8)
1. a kind of method that oily sludge goes water-coal-slurry harmless treatment, which is characterized in that include the following steps:
The dehydration and drying of step 1, oily sludge:Add flocculant into oily sludge, be sufficiently stirred rear filter-press dehydration, then into
Row drying;
It is prepared by step 2, water-coal-slurry:The oily sludge after coal dust and desiccation is mixed according to certain mass number, it is molten with additive
Liquid is added in blender together, and water-coal-slurry is made after mixing;
Step 3, gasification process:Water-coal-slurry obtained is sent into Texaco stove high-temperature gasification, realizes the innoxious of oily sludge
Processing.
2. the method that oily sludge according to claim 1 goes water-coal-slurry harmless treatment, it is characterised in that:In step 1,
The flocculant is polyacrylamide or aluminium polychloride, dosage 40-60mg/L.
3. the method that oily sludge according to claim 1 goes water-coal-slurry harmless treatment, it is characterised in that:Through step 1
The moisture content of oily sludge after drying is less than 5%.
4. the method that oily sludge according to claim 1 goes water-coal-slurry harmless treatment, it is characterised in that:In step 2,
The additive solution is the mixed solution of additive and water.
5. the method that oily sludge according to claim 4 goes water-coal-slurry harmless treatment, it is characterised in that:In step 2,
The specific proportioning of each component is as follows:
6. the method that oily sludge according to claim 5 goes water-coal-slurry harmless treatment, it is characterised in that:The addition
Agent is sodium lignin sulfonate or kayexalate.
7. the method that oily sludge according to claim 1 goes water-coal-slurry harmless treatment, it is characterised in that:In step 2,
The stir speed (S.S.) of the blender is 300-500rpm, mixing time 20-30min.
8. the method that oily sludge according to claim 1 goes water-coal-slurry harmless treatment, it is characterised in that:In step 2,
The viscosity in aqueous coal slurries of preparation is less than 1100mPa.S, solid content 60%-62%.
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CN201710110330.XA CN108503187A (en) | 2017-02-28 | 2017-02-28 | A kind of method that oily sludge goes water-coal-slurry harmless treatment |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110358592A (en) * | 2019-08-09 | 2019-10-22 | 绍兴凤登环保有限公司 | A kind of device and method using hazardous waste greasy filth preparation water-coal-slurry |
CN112226255A (en) * | 2020-09-25 | 2021-01-15 | 梵境新能源科技(浙江)有限公司 | Gasification co-processing method for polymorphic waste |
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CN102191085A (en) * | 2010-03-04 | 2011-09-21 | 北京中矿环保科技股份有限公司 | Method for using sludge to produce coal gas |
CN103319065A (en) * | 2013-07-23 | 2013-09-25 | 大连环资科技有限公司 | Sludge drying and gasifying combined treatment process |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110358592A (en) * | 2019-08-09 | 2019-10-22 | 绍兴凤登环保有限公司 | A kind of device and method using hazardous waste greasy filth preparation water-coal-slurry |
CN112226255A (en) * | 2020-09-25 | 2021-01-15 | 梵境新能源科技(浙江)有限公司 | Gasification co-processing method for polymorphic waste |
CN112226255B (en) * | 2020-09-25 | 2021-05-18 | 梵境新能源科技(浙江)有限公司 | Gasification co-processing method for polymorphic waste |
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