CN108484081A - A kind of oily sludge is non-burning brick and preparation method thereof - Google Patents
A kind of oily sludge is non-burning brick and preparation method thereof Download PDFInfo
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- CN108484081A CN108484081A CN201810352430.8A CN201810352430A CN108484081A CN 108484081 A CN108484081 A CN 108484081A CN 201810352430 A CN201810352430 A CN 201810352430A CN 108484081 A CN108484081 A CN 108484081A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/18—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mixtures of the silica-lime type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted 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
-
- 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
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/0418—Wet materials, e.g. slurries
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/023—Chemical treatment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
It is non-burning brick and preparation method thereof the invention discloses a kind of oily sludge, preparation method the specific steps are：By sedimentation separation after cleaned dose of oily sludge and flocculant process, carries out mud-water separation, is dry to get oily sludge；Oily sludge is obtained into mixture with building waste powder, flyash, clinker, calcium sulfate, boric acid, sodium hypochlorite, F14 liquid exciting agent, water mixing rolling；Mixture is digested into obtain digestion material；Digestion material is mixed into repetition rolling with consolidating agent and obtains base material；By base material from the stamping system of quantitative input hydraulic pressure molding machine, blank brick is made, conserves non-burning brick.It has the beneficial effect that：Preparation method of the present invention is of low cost, and the effect of oily sludge oil removing dehydration is good, and non-burning brick morning obtained is strong, high-strength, compression strength is excellent, service life is long, excellent performance.
Description
Technical field
It is non-burning brick and preparation method thereof more particularly, to a kind of oily sludge the present invention relates to non-burning brick.
Background technology
When oily sludge refers to crude oil or product oil is mixed into soil or other impurities, oil content therein cannot be recycled directly
And the mixture of the variform of environment may be polluted.Oily sludge be mainly derived from crude oil exploration, transport, refining and
It is generated in the processing procedure of oily waste water.Oily sludge is a kind of thick dark brown color substance of comparison of ingredients complexity, contains greasy dirt
Mud is mainly made of mixtures such as various oils, water, mechanical admixture and chemical addition agents, and oily sludge is a kind of extremely stable
Suspension emulsion system, generally by oil-in-water（O/W）, Water-In-Oil（W/O）It is formed with suspended solid impurities, realizes that separation is relatively more tired
It is difficult.Oily sludge contains a large amount of aged crude oil, asphalitine, wax, colloid, solid suspension, bacterium, salt etc., further includes
The additives such as a large amount of flocculating agents, corrosion inhibiter, the fungicide that add in process of production.Wherein oil plant oily sludge contains largely
The noxious materials such as benzene homologues, phenols, pyrene, anthracene such as directly contact with natural environment, will result in the dirt of water body, soil and air
Dye deteriorates ecological environment.It therefore, all should be to oily sludge no matter from the protection of environment or from the point of view of energy recovery
Carry out harmless treatment and recycling.
The oily sludge harmless treatment of domestic and international application comparative maturity at present and comprehensive utilization mainly have following methods：
（1）Extraction：After taking extraction separation oil, then carry out that solidification paves the way, fills, the technologies such as outer row's second ploughing carry out innoxious place
Reason；（2）Bioanalysis：After the pollution element for removing the biodegradabilities such as degreaser using bioanalysis, compost second ploughing processing is carried out；（3）It burns
The processing of burning method：Directly oily sludge is burned, the slag after burning can be used for paving the way or the auxiliary material of construction material, directly utilizes；（4）
Solidification building materials processed（Pavior brick）Or method of paving the way：By the gellings such as oily sludge and other solid waste, clay, modifying agent, cement
Material mixing is pressed into building material（Brick）；（5）Fuel combination method：By oily sludge and other fuel（Coal）Rationally admixed
Afterwards, it is used as fuel, the oil sediment of Shengli Oil Field successfully uses this method to be used for boiler raw material at present；（6）Stratum recharge：Choosing
Discarded high porosity safe formation is selected, by oily sludge reinjection into reservoir.And it utilizes oil field sludge, Portland cement and consolidates
Agent production sludge curing is non-burning brick, is not only able to turn waste into wealth, and can solve oil field sludge land occupation, pollution environment
The problem of, meet today's society ecological environmental protection and resource-effective theme.
The prior art such as Authorization Notice No. is the Chinese invention patent of 103011704 B of CN, discloses and utilizes oil field oil-containing
The method that sludge prepares building brick, including：1）The oily sludge in oil field is placed in natural subsidence 2 hours in pond, until there is mud
Water stratification；2）By step 1）Supernatant liquor after layering pumps, and the sludge that lower layer accumulates is extracted into centrifugal dehydrator, and wadding is added
Solidifying agent, which is carried out dehydrating to moisture content, drops to 65 ~ 75%；3）By step 2）The sludge that is obtained after dehydration and cement, fine aggregate and
Coarse aggregate is with 0.6:1.5:0.4:0.5 weight ratio dispensing, obtains primary material A；Primary material A is rolled repeatedly, crumple 15 ~
20min obtains the uniform fine particle material B that grain size is 1 ~ 4mm；Material B is stirred into 4 ~ 10min of stirring, obtains brickmaking base
Expect C；Building brick is prepared according to non-burning brick technique using brickmaking blank C as raw material.The above method solves drying and incinerating method
Secondary pollution is led to the problem of, and control condition is simple, be suitable for the extensive processing of sludge, processing cost is relatively low, can be with
Apply to scene.But this method is only that natural subsidence and dehydration concentrate to the processing of sludge, impurity-eliminating effect is bad, makes to be made
Building brick mechanical property it is bad.
Invention content
Non-burning brick and preparation method thereof the purpose of the present invention is to provide a kind of oily sludge, the preparation method is at low cost
Honest and clean, the effect of oily sludge oil removing dehydration is good, and non-burning brick morning obtained is strong, high-strength, compression strength is excellent, service life is long, property
It can be good.
The present invention in view of the above technology in the problem of mentioning, the technical solution taken is：
A kind of preparation method that oily sludge is non-burning brick, including following steps：
S1：By sedimentation separation after cleaned dose of oily sludge and flocculant process, carries out mud-water separation, is dry to get containing greasy dirt
Mud；
S2：Oily sludge, building waste powder, flyash, clinker, calcium sulfate, boric acid, sodium hypochlorite, the F14 that S1 steps are obtained
Liquid exciting agent, water mix rolling 2-6min in Wheel mill mixer and obtain mixture, which can be such that mixture is compacted and body
Product reduces so that end article bulk density greatly improves, and then improves the performance of product；
S3：The mixture that S2 steps are obtained is in slaking silos, and digestion 2.5-3.5h must digest material at being 40-70 DEG C in temperature,
The step can promote the activity of exciting agent activated sludge, waste residue, dregs, improve molded plastic, eliminate f-CaO and f-Mgo and
The influence of other factors leading to social instability；
S4：The digestion material that S3 steps are obtained is 6-12 by weight with consolidating agent:1 mixing repeats rolling 2-6min, uses hot water
The moisture content of digestion material is adjusted to 10-17%, obtains base material, which can increase the dissolving of building waste powder, flyash, clinker
Degree so that its effective active composition excites, and assists the mutual chemical reaction of material, increases sludge, flyash, building waste powder
Specific surface area, improves the touch opportunity of itself and moisture, additive, fully excites its activity, the base material can be at normal temperatures in addition
Directly material granule is carried out quickly cementing, the active component of consolidating agent is penetrated on the boundary of the basic granules of material, and is swashed
The hydrated calcium silicate isogel collective effect that hair agent is inspired from oily sludge, building waste powder, flyash, clinker, forms more
Reinforce big gelatification consolidation wall bulk and assigns the active component of mixing material using multicomponent super-composite effect
Peptizaiton is diluted, is allowed to form polycrystalline aggregate, while non-burning brick morning can be made strong, high-strength, the fixed heavy metal ion included,
Pathogen, Leaching is not exceeded, does not generate radioactivity, eliminates the hidden danger of harm；
S5：Blank brick is made from the stamping system of quantitative input hydraulic pressure molding machine in the base material that S3 steps are obtained；
S6：The blank brick that S3 steps obtain is conserved non-burning brick.
Preferably, S1 steps are specially：Water will be added in oily sludge to sludge clay content to 2-3%, adds cleaning
Agent is added after flocculant under conditions of stirring intensity is 140-160r/min after stirring 30-40min with 30-50r/min's
Speed mixes slowly 2-5min, then sedimentation separation 25-35min under conditions of rotating speed is 3000-4000rpm, by top oil
It is discharged with water, is stood after persistently stirring evenly, then carry out mud-water separation, is dry to get oily sludge.The step mainly passes through
Cleaning agent acts on oil, mud interface, and oil is removed from interface, improves the effect of oily sludge oil removing dehydration, realizes dirty
Mud property changes, and has apparent economic benefit, environmental benefit and social benefit.
Further preferably, it is 1 that cleaning agent, which is weight ratio,:The sodium metasilicate of 0.32-0.38 and the mixture of NaLS,
The additive amount of cleaning agent is the 0.8-1.5% of oily sludge weight.Inorganic cleaning machine and organic washing machine is reasonable in the cleaning machine
Proportioning can make the synergistic effect of the two reach best, can make full use of inorganic roll and organic demulsification so that cleaning is made
It is most strong with reaching, realize that oil desorption, oil removal rate reach 89.35% in sludge.
Further preferably, it is 10-15 that sedimentation separation, which with flocculant is weight ratio,:1 bodied ferric sulfate and polyacrylamide
Mixture, the additive amount of flocculant is the 1.5-2.5% of oily sludge weight.Above-mentioned rational proportion flocculant is in aqueous solution
Exist with the complex cation of various high price multinuclears, can effectively neutralize the micelle and fine particle surface charge in oily sludge,
So that the repulsive force between ion reduces, the adsorption capacity between particle increases, and particle is de- steady, gradually forms flco, makes in sludge
More molecule quickly forms former floc particle, and metal ion in particle can be avoided to take off the hair that steady rear axle acts on
It is raw so that greasy filth has efficient flocculating effect.
In order to improve flocculating effect, preferably, pair of flocculant weight 0.35-0.45 ‰ is added when sedimentation separation
Methyldiphenyl formyl tartaric acid, while to L- in methyldiphenyl formyl tartaric acid（-）To methyldiphenyl formyl tartaric acid and D-
（+）Ratio to methyldiphenyl formyl tartaric acid is 1:55-60.It is above-mentioned that specific proportions are contained to methyldiphenyl formyl tartaric acid
D-isomer and d-isomer so that being capable of quick release molecular structure during sedimentation separation to methyldiphenyl formyl tartaric acid
On group, and group be inserted into oil and solid particle between, reduce oil and solid particle combination large specific surface area and knot
Resultant force is strong, reduces the absorption property between oil and solid particle, improves the separating effect of greasy filth；It can also prevent the colloid generated
Grain surface charge reverses, and avoids de- steady colloid from becoming suspended particulate again, improves flocculating effect, and can protect flocculation sludge flco
It is not broken so that sludge takes off steady deoiling treatment, improves the effect of oily sludge oil removing dehydration, obtains that impurity content is lower to be changed
Property sludge, improve the non-burning brick mechanical property of oily sludge.
Preferably, mixture includes following ingredient and its parts by weight in S2 steps：30-40 parts of oily sludge, building rubbish
20-33 parts of rubbish powder, 12-20 parts of flyash, 8-15 parts of clinker, 1-3 parts of calcium sulfate, 1.2-2.2 parts of boric acid, sodium hypochlorite 0.05-
0.2 part, 2-5 parts of F14 liquid exciting agents, 12-16 parts of water.There is synergistic effect between above-mentioned each raw material of mixture, pass through mixing
The effect of rolling can excite the SiO that sludge, slag charge include2、CaO、Al2O3Active constituent, in hot-air circular response process
Middle formation hydrated calcium silicate, drated calcium aluminate, stratlingite gelatinous mass prepare for compacting bulk, can also assist in and change
The further aquation of property sludge, improves the performance of sludge.
Preferably, consolidating agent is portland cement, 5- nitroisophthalic acids dimethyl ester and nucleus element in S4 steps
Mixture, weight ratio 1:0.03-0.035:The collaboration of 0.04-0.06,5- nitroisophthalic acid dimethyl ester and nucleus element
Effect can improve the AlO in portland cement2 -Dissolution rate and stripping quantity, and then quickly form [Al (OH)6]3-Shape
At, and then form [Ca3Al(OH)6·12H2O]3+Then sulfate radical in modified electroplating sludge is entered intercolumniation by multi-panel scapus
Groove forms entringite, while entringite can be avoided to change to single sulfur type aquation entringite, after avoiding entringite
Phase expands and is destroyed to non-burning brick generation, improves non-burning brick performance, can also promote the silicon in portland cement in addition
Sour tricalcium and dicalcium silicate can react simultaneously with water and generate calcium hydroxide, make it is non-burning brick there is good mechanical property, into
And help to improve service life, can also enable in addition containing the metal ion in sludge it is more reliable admittedly be contained in it is non-burning brick
In, improve non-burning brick performance.
Preferably, S5 steps are specially：Blank brick is put into reative cell, nature precuring when 10 DEG C of indoor temperature or more
45-50h when 10 DEG C of indoor temperature or less, is passed through hot-air, and precuring time 7-9h is kept the temperature at 40-50 DEG C, and heat is entered after precuring
Air circulation reaction maintenance, temperature slowly rises, and makes temperature rise to 90-110 DEG C in 2-4h, and slow cooling is extremely after constant temperature 2-4h
40-60 DEG C to get blank brick.The step promotes product blank to make further thermochemical reaction using heating power, improves product
Gelling property, assign the higher intensity of product and excellent endurance quality.
The invention also discloses a kind of preparation methods non-burning brick with oily sludge to be made non-burning brick.The non-burning brick quality
Technical indicator meets GB179-1999 standards, has the excellent performances such as lightweight, high-strength, heat preservation, sound insulation.
Compared with the prior art, the advantages of the present invention are as follows：Preparation method of the present invention is simple, by adding into oily sludge
Add the effect of cleaning agent and flocculant, oil can be removed from interface, improves the effect of oily sludge oil removing dehydration, obtain
The lower modified sewage sludge of impurity content improves the non-burning brick mechanical property of oily sludge, has apparent economic benefit, Environmental Effect
Benefit and social benefit；Non-burning brick morning produced by the present invention is strong, high-strength, compression strength is excellent, service life is long, excellent performance, quality
Technical indicator meets GB179-1999 standards, has the excellent performances such as lightweight, high-strength, heat preservation, sound insulation.
Specific implementation mode
The present invention program is described further below by embodiment：
Embodiment 1：
A kind of preparation method that oily sludge is non-burning brick, including following steps：
S1：By sedimentation separation after cleaned dose of oily sludge and flocculant process, carries out mud-water separation, is dry to get containing greasy dirt
Mud；
S2：Oily sludge, building waste powder, flyash, clinker, calcium sulfate, boric acid, sodium hypochlorite, the F14 that S1 steps are obtained
Liquid exciting agent, water mix rolling 2-6min in Wheel mill mixer and obtain mixture, which can be such that mixture is compacted and body
Product reduces so that end article bulk density greatly improves, and then improves the performance of product；
S3：The mixture that S2 steps are obtained is in slaking silos, and digestion 2.5-3.5h must digest material at being 40-70 DEG C in temperature,
The step can promote the activity of exciting agent activated sludge, waste residue, dregs, improve molded plastic, eliminate f-CaO and f-Mgo and
The influence of other factors leading to social instability；
S4：The digestion material that S3 steps are obtained is 6-12 by weight with consolidating agent:1 mixing repeats rolling 2-6min, uses hot water
The moisture content of digestion material is adjusted to 10-17%, obtains base material, which can increase the dissolving of building waste powder, flyash, clinker
Degree so that its effective active composition excites, and assists the mutual chemical reaction of material, increases sludge, flyash, building waste powder
Specific surface area, improves the touch opportunity of itself and moisture, additive, fully excites its activity, the base material can be at normal temperatures in addition
Directly material granule is carried out quickly cementing, the active component of consolidating agent is penetrated on the boundary of the basic granules of material, and is swashed
The hydrated calcium silicate isogel collective effect that hair agent is inspired from oily sludge, building waste powder, flyash, clinker, forms more
Reinforce big gelatification consolidation wall bulk and assigns the active component of mixing material using multicomponent super-composite effect
Peptizaiton is diluted, is allowed to form polycrystalline aggregate, while non-burning brick morning can be made strong, high-strength, the fixed heavy metal ion included,
Pathogen, Leaching is not exceeded, does not generate radioactivity, eliminates the hidden danger of harm；
S5：Blank brick is made from the stamping system of quantitative input hydraulic pressure molding machine in the base material that S3 steps are obtained；
S6：The blank brick that S3 steps obtain is conserved non-burning brick.
S1 steps are specially：Water will be added in oily sludge to sludge clay content to 2-3%, adds cleaning agent, stirring
Under conditions of intensity is 140-160r/min after stirring 30-40min, stirred at a slow speed with the speed of 30-50r/min after flocculant is added
2-5min is mixed, then sedimentation separation 25-35min under conditions of rotating speed is 3000-4000rpm, top oil and water are discharged, held
Continue and stood after stirring evenly, then carries out mud-water separation, is dry to get oily sludge.The step is mainly acted on by cleaning agent
In oil, mud interface, oil is removed from interface, improves the effect of oily sludge oil removing dehydration, realizes that sludge quality changes,
With apparent economic benefit, environmental benefit and social benefit.
Above-mentioned cleaning agent is that weight ratio is 1:The sodium metasilicate of 0.32-0.38 and the mixture of NaLS, cleaning agent
Additive amount be oily sludge weight 0.8-1.5%.The rational proportion of inorganic cleaning machine and organic washing machine can in the cleaning machine
So that the synergistic effect of the two is reached best, can make full use of inorganic roll and organic demulsification so that cleaning action reaches
It is most strong, realize that oil desorption, oil removal rate reach 89.35% in sludge.
It is 10-15 that above-mentioned sedimentation separation, which is weight ratio with flocculant,:The mixing of 1 bodied ferric sulfate and polyacrylamide
Object, the additive amount of flocculant are the 1.5-2.5% of oily sludge weight.Above-mentioned rational proportion flocculant is in aqueous solution with various
The complex cation of high price multinuclear exists, and can effectively neutralize the micelle and fine particle surface charge in oily sludge so that from
Repulsive force between son reduces, and the adsorption capacity between particle increases, and particle is de- steady, gradually forms flco, makes more in sludge
Molecule quickly forms former floc particle, and metal ion in particle can be avoided to take off the generation that steady rear axle acts on, and makes
Obtaining greasy filth has efficient flocculating effect.
Be added when above-mentioned sedimentation separation flocculant weight 0.35-0.45 ‰ to methyldiphenyl formyl tartaric acid, while it is right
L- in methyldiphenyl formyl tartaric acid（-）To methyldiphenyl formyl tartaric acid and D-（+）To methyldiphenyl formyl tartaric acid
Ratio is 1:55-60.The above-mentioned d-isomer and d-isomer for containing specific proportions to methyldiphenyl formyl tartaric acid so as to methyl
Dibenzoyl tartaric acid can be on quick release molecular structure during sedimentation separation group, and group be inserted into oil with
Between solid particle, the combination large specific surface area and binding force for reducing oil and solid particle are strong, reduce between oil and solid particle
Absorption property, improve the separating effect of greasy filth；The colloidal grain surface charge reversal generated can also be prevented, avoids taking off steady colloid
Again become suspended particulate, improve flocculating effect, and flocculation sludge flco can be protected not to be broken so that sludge takes off at steady de-oiling
Reason improves the effect of oily sludge oil removing dehydration, obtains the lower modified sewage sludge of impurity content, and it is non-burning brick to improve oily sludge
Mechanical property.
Mixture includes following ingredient and its parts by weight in S2 steps：30-40 parts of oily sludge, building waste powder 20-33
Part, 12-20 parts of flyash, 8-15 parts of clinker, 1-3 parts of calcium sulfate, 1.2-2.2 parts of boric acid, 0.05-0.2 parts of sodium hypochlorite, F14
2-5 parts of liquid exciting agent, 12-16 parts of water.There is synergistic effect, by the effect for mixing rolling between above-mentioned each raw material of mixture
The SiO that sludge, slag charge can be excited to include2、CaO、Al2O3Active constituent, form aquation during hot-air circular response
Calcium silicates, drated calcium aluminate, stratlingite gelatinous mass, for compacting bulk prepare, can also assist in modified sewage sludge into
One step aquation, improves the performance of sludge.
Consolidating agent is the mixture of portland cement, 5- nitroisophthalic acids dimethyl ester and nucleus element in S4 steps,
Weight ratio is 1:0.03-0.035:The synergistic effect of 0.04-0.06,5- nitroisophthalic acid dimethyl ester and nucleus element can carry
AlO in high portland cement2 -Dissolution rate and stripping quantity, and then quickly form [Al (OH)6]3-Formation, and then formed
[Ca3Al(OH)6·12H2O]3+Then sulfate radical in modified electroplating sludge is entered the groove of intercolumniation, forms calcium by multi-panel scapus
Aluminite, while entringite can be avoided to change to single sulfur type aquation entringite, so as to avoid entringite late expansion and right
Non-burning brick generation destroys, and improves non-burning brick performance, can also promote the tricalcium silicate in portland cement and silicon in addition
Sour dicalcium can react simultaneously with water and generate calcium hydroxide, make it is non-burning brick there is good mechanical property, and then help to carry
High service life, can also enable in addition remaining metal ion in electroplating sludge it is more reliable be contained in admittedly it is non-burning brick in, improve
Non-burning brick performance.
S5 steps are specially：Blank brick is put into reative cell, nature precuring 45-50h when 10 DEG C of indoor temperature or more, room
When 10 DEG C of interior temperature or less, it is passed through hot-air, precuring time 7-9h is kept the temperature at 40-50 DEG C, hot-air is entered after precuring and is recycled
Reaction maintenance, temperature slowly rises, and makes temperature rise to 90-110 DEG C in 2-4h, after constant temperature 2-4h slow cooling to 40-60 DEG C,
Up to blank brick.The step promotes product blank to make further thermochemical reaction using heating power, improves the gelling of product
Can, assign the higher intensity of product and excellent endurance quality.
It is non-burning brick made from a kind of preparation method non-burning brick with oily sludge.The non-burning brick quality and technical index meets
GB179-1999 standards have the excellent performances such as lightweight, high-strength, heat preservation, sound insulation.Its performance test is as shown in table 1, meets《GB/
T21144-2007 solid concrete bricks》Performance requirement.
Table 1：The performance test of 1 wall bulk of embodiment
Embodiment 2：
1）Water is added to sludge clay content to 2-3% in oily sludge, adds cleaning agent, is 140-160r/ in stirring intensity
After stirring 30-40min under conditions of min, it is added after flocculant and 2-5min is mixed slowly with the speed of 30-50r/min, then exist
Rotating speed is sedimentation separation 25-35min under conditions of 3000-4000rpm, and top oil and water are discharged, persistently stirred evenly rear quiet
It sets, then carries out mud-water separation, is dry to get oily sludge, above-mentioned cleaning agent is that weight ratio is 1:The sodium metasilicate of 0.32-0.38 and
The mixture of NaLS, the additive amount of cleaning agent are the 0.8-1.5% of oily sludge weight, and flocculant is that weight ratio is
10-15:1 bodied ferric sulfate and the mixture of polyacrylamide, the additive amount of flocculant are the 1.5- of oily sludge weight
2.5%, be added when above-mentioned sedimentation separation flocculant weight 0.35-0.45 ‰ to methyldiphenyl formyl tartaric acid, while to methyl
L- in dibenzoyl tartaric acid（-）To methyldiphenyl formyl tartaric acid and D-（+）To the ratio of methyldiphenyl formyl tartaric acid
It is 1:55-60；
2）30-40 parts of oily sludge, 20-33 parts of building waste powder, 12-20 parts of flyash, 8-15 parts of clinker, sulphur are taken by weight
Sour calcium 1-3 parts, 1.2-2.2 parts of boric acid, 0.05-0.2 parts of sodium hypochlorite, 2-5 parts of F14 liquid exciting agents, 12-16 parts of water, taking turns
It grinds mixing rolling 2-6min in mixing machine and obtains mixture；
3）The mixture that S2 steps are obtained is in slaking silos, and digestion 2.5-3.5h must digest material at being 40-70 DEG C in temperature；
4）The digestion material that S3 steps are obtained is 6-12 by weight with consolidating agent:1 mixing repeats rolling 2-6min, with hot water tune
The moisture content of section digestion material obtains base material to 10-17%, and above-mentioned consolidating agent is portland cement, 5- nitroisophthalic acid diformazans
The mixture of ester and nucleus element, weight ratio 1:0.03-0.035:0.04-0.06；
5）Blank brick is put into reative cell, nature precuring 45-50h when 10 DEG C of indoor temperature or more, 10 DEG C of indoor temperature or less
When, it is passed through hot-air, precuring time 7-9h is kept the temperature at 40-50 DEG C, hot-air circular response is entered after precuring and is conserved, temperature is slow
It is slow to rise, make temperature rise to 90-110 DEG C in 2-4h, after constant temperature 2-4h slow cooling to 40-60 DEG C to get blank brick；
6）The blank brick that S3 steps obtain is conserved non-burning brick, performance test is as shown in table 2, meets《GB/T21144-
2007 solid concrete bricks》Performance requirement.
Table 2：The performance test of 2 wall bulk of embodiment
Routine operation in the operating procedure of the present invention is well known to those skilled in the art, herein without repeating.
Technical scheme of the present invention is described in detail in embodiment described above, it should be understood that the above is only
For specific embodiments of the present invention, it is not intended to restrict the invention, all any modifications made in the spirit of the present invention,
Supplement or similar fashion replacement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of preparation method that oily sludge is non-burning brick, it is characterised in that：Including following steps：
S1：After cleaned dose of oily sludge and flocculant process, it is added to methyldiphenyl formyl tartaric acid, sedimentation separation, into
Row mud-water separation, drying are to get oily sludge；
S2：Oily sludge, building waste powder, flyash, clinker, calcium sulfate, boric acid, sodium hypochlorite, the F14 that S1 steps are obtained
Liquid exciting agent, water mix rolling 2-6min in Wheel mill mixer and obtain mixture；
S3：The mixture that S2 steps obtain is digested into obtain digestion material；
S4：The digestion material that S3 steps obtain is mixed into repetition rolling with consolidating agent and obtains base material；
S5：Blank brick is made from the stamping system of quantitative input hydraulic pressure molding machine in the base material that S3 steps are obtained；
S6：The blank brick that S3 steps obtain is conserved non-burning brick.
2. a kind of non-burning brick preparation method of oily sludge according to claim 1, it is characterised in that：The S1 steps tool
Body is：Water will be added in oily sludge to sludge clay content to 2-3%, add cleaning agent, is 140-160r/ in stirring intensity
After stirring 30-40min under conditions of min, it is added after flocculant and 2-5min is mixed slowly with the speed of 30-50r/min, then again
Methyldiphenyl formyl tartaric acid sedimentation separation 25-35min under conditions of rotating speed is 3000-4000rpm is added, by top oil and
Water is discharged, and is stood after persistently stirring evenly, then carries out mud-water separation, is dry to get oily sludge.
3. a kind of non-burning brick preparation method of oily sludge according to claim 1, it is characterised in that：The cleaning agent is
Weight ratio is 1:The additive amount of the sodium metasilicate of 0.32-0.38 and the mixture of NaLS, cleaning agent is oily sludge weight
The 0.8-1.5% of amount.
4. a kind of non-burning brick preparation method of oily sludge according to claim 1, it is characterised in that：The flocculant is
Weight ratio is 10-15:The additive amount of 1 bodied ferric sulfate and the mixture of polyacrylamide, flocculant is oily sludge weight
1.5-2.5%.
5. a kind of non-burning brick preparation method of oily sludge according to claim 1, it is characterised in that：The sedimentation separation
When be added flocculant weight 0.35-0.45 ‰ to methyldiphenyl formyl tartaric acid, in the formyl tartaric acid to methyldiphenyl
L-（-）To methyldiphenyl formyl tartaric acid and D-（+）Ratio to methyldiphenyl formyl tartaric acid is 1:55-60.
6. a kind of non-burning brick preparation method of oily sludge according to claim 1, it is characterised in that：In the S2 steps
Mixture includes following ingredient and its parts by weight：30-40 parts of oily sludge, 20-33 parts of building waste powder, 12-20 parts of flyash,
8-15 parts of clinker, 1-3 parts of calcium sulfate, 1.2-2.2 parts of boric acid, 0.05-0.2 parts of sodium hypochlorite, 2-5 parts of F14 liquid exciting agents, water
12-16 parts.
7. a kind of non-burning brick preparation method of oily sludge according to claim 1, it is characterised in that：In the S4 steps
The weight ratio of digestion material and consolidating agent is 6-12:1, mixing repeats rolling 2-6min.
8. a kind of non-burning brick preparation method of oily sludge according to claim 1, it is characterised in that：In the S4 steps
Consolidating agent is the mixture of portland cement, 5- nitroisophthalic acids dimethyl ester and nucleus element, weight ratio 1:0.03-
0.035:0.04-0.06。
9. a kind of non-burning brick preparation method of oily sludge according to claim 1, it is characterised in that：The S5 steps tool
Body is：Blank brick is put into reative cell, nature precuring 45-50h when 10 DEG C of indoor temperature or more, 10 DEG C of indoor temperature or less
When, it is passed through hot-air, precuring time 7-9h is kept the temperature at 40-50 DEG C, hot-air circular response is entered after precuring and is conserved, temperature is slow
It is slow to rise, make temperature rise to 90-110 DEG C in 2-4h, after constant temperature 2-4h slow cooling to 40-60 DEG C to get blank brick.
10. non-burning brick made from the preparation method non-burning brick with oily sludge described in claim 1-9 any one.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113213824A (en) * | 2021-04-29 | 2021-08-06 | 交通运输部天津水运工程科学研究所 | Method for comprehensively treating oil and gas exploitation derived water-based mud and construction waste |
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| CN107200518A (en) * | 2017-06-14 | 2017-09-26 | 合肥易美特建材有限公司 | A kind of baking-free brick and preparation method thereof |
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| CN1526529A (en) * | 2003-09-22 | 2004-09-08 | 济南大学 | No-baking brick made of oil field sludge and its production process |
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| CN113213824A (en) * | 2021-04-29 | 2021-08-06 | 交通运输部天津水运工程科学研究所 | Method for comprehensively treating oil and gas exploitation derived water-based mud and construction waste |
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