CN207313445U - A kind of equipment that foamed ceramics is prepared using pyrolyzing sludge residue - Google Patents
A kind of equipment that foamed ceramics is prepared using pyrolyzing sludge residue Download PDFInfo
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Abstract
It the utility model is related to a kind of equipment that foamed ceramics is prepared using pyrolyzing sludge residue, mainly it is made of pyrolyzing sludge residue warehouse, reducing mechanism, rheological agent warehouse, pore creating material warehouse, mixing arrangement, water tank, ball mill by wet process, screening machine, foaming agent warehouse, foam device, molding die, curing means, sintering equipment, cooling device etc., its technological process is simple, the degree of automation is high, production process cleans, Product Green environmental protection.Equipment described in the utility model, on the one hand greatly reduces the manufacturing cost of foamed ceramics, on the other hand, also provides new approach for the harmless treatment and recycling safe utilization of pyrolyzing sludge residue, has good environmental benefit and economic benefit.
Description
Technical field
It the utility model is related to solid waste resource recovery and utilize technical field, more particularly, to a kind of pyrolyzing sludge residue
The equipment for preparing foamed ceramics.
Background technology
With the rapid development of economy, the primary sludge amount of municipal sewage plant's production is significantly increased, it is contemplated that will to the year two thousand twenty
Reach 60,000,000 tons.How to realize the recycling of sludge is to study all focus of attention problems both at home and abroad at present.No matter adopt
With which kind of technique, minimizing, innoxious and final product recycling are the development trends of Treatment of Sludge.In recent years, sludge hot
Solution technology enjoys domestic and international concern as a kind of more advanced sludge disposal technology.The technique can realize sewage sludge harmlessness
With minimizing, but the exploratory stage is still in for the recycling of pyrolysis residue.Although there have part research to be all pyrolyzed to be residual
Slag is used to improve soil as charcoal, but causes twice accumulation to soil for the heavy metal to containing in pyrolyzing sludge product
The worry of pollution, makes it not yet be applied on a large scale.Therefore, the multipath recycling of pyrolyzing sludge product is sought,
It is the key link for promoting New technical use.
Foamed ceramics is that have equally distributed micropore and hole, hole as the porous ceramics of foam-like in a kind of moulding
Rate compared with it is high, bulk density is small, bigger than surface, have the distinctive high temperature resistant of ceramic material, corrosion-resistant, chemical stability is good, intensity
It is high, regeneration is simple, service life is long and the features such as good filtering adsorptivity, can be in gas liquid filtering, purification separation, change
Work catalytic carrier, thermal insulation material, sound absorption damping, extraordinary materials for wall and sensor material etc. are widely used.
Chinese invention patent CN103979998B is related to a kind of hollow foam ceramic wafer and preparation method thereof, raw material composition bag
Include:Bentonite, kaolin, clay, carborundum, anthracite, granite building material waste residue, lime stone, gypsum and iron ore, prepare
Method and step is as follows：(1) crush each raw material and be mixed to form mixed material；(2) mixed material and water are carried out in mixer
Mix, wet feed is made；(3) above-mentioned wet feed feeding pug mill is kneaded, pug is made；(4) pug is sent into vacuum extruding
Machine is molded through die orifice, then cuts and wet base substrate is made；(5) dry body body is made in wet body drying；(6) dry body body is sent into
In calcining kiln 1140 DEG C~1180 DEG C burn till after, hollow foam ceramic wafer is made.This method using stone material waste residue as primary raw material,
Need to carry out complicated dispensing, the not foamed processing of raw slurry, pore structure is poor, and does not relate to the use of pyrolyzing sludge residue
Recycling.
Chinese invention patent CN104098342B is related to a kind of decorative heat preservation type foamed ceramics and manufacturing technique method, with treasure
Pearl rock tailing foam ceramic powder forms cold color for base-material, using oil shale waste, shale, tufa stone foamed ceramics as granulation material shape
Into the decorative heat preservation type foam ceramic material of warm color point-like, which integrates decoration, insulation, and pattern enriches, cold
It is warm clearly demarcated；Product thermal conductivity factor is small, and inanimate matter fire protecting performance is good；Raw material sources are extensive, and formula simplifies, and can largely utilize Industry Waste
Slag.Chinese invention patent application CN106146027A discloses a kind of using slag as the foamed ceramics walling of raw material and its preparation side
Method, by mixing, ball milling, shaping, burnt till at 1020 DEG C~1250 DEG C it is obtained, prepare foamed ceramics walling hold one's breath porosity it is high,
The characteristics such as water absorption rate is low, compression strength is higher, are a kind of insulation wallings of function admirable.Above-mentioned patent application is mainly with viscous
Soil, ore and industrial solid castoff slag etc. are raw material, and sintering prepares foamed ceramics, though making full use of solid waste, are become
Waste be changed into values, but raw material composition regulation and control are not easy, and manufacturing cost is higher, and the use scope of product is relatively narrow, is primarily adapted for use in thermal insulation material,
Cost performance is relatively low, does not also refer to using pyrolyzing sludge residue and is used as raw material.
Research finds city domestic sewage treatment plant sludge or industrial sludge after pyrolysis in obtained residue, mainly by
The metal oxidation mineral composition of the elements such as Si, Al, Fe, Ca, Na, Mg, and the carbon of 5-8% is also remained in pyrolysis residue, it is
Prepare the very good material of foamed ceramics.Pyrolyzing sludge residue is directly fired into foamed ceramics, on the one hand giving full play in residue has
The effect of component is imitated, without complicated blending process, the manufacturing cost of foamed ceramics is reduced, on the other hand, is burnt by high temperature
The solid existing wherein curing of the harmful element such as heavy metal and stabilisation, provide newly for the recycling safe utilization of pyrolyzing sludge residue
Approach, this is respectively provided with good meaning for sludge thermal treatment field and foamed ceramics field.
Chinese patent application CN101289332A discloses a kind of life with solid slag production low-temperature ceramic foam material
Production method, component is in mass ratio with 100 parts of cementitious material raw material is combined into, and 100-400 parts of aggregate raw material, 13-50 parts of activator, is helped
0.2-3.0 parts of agent, 0.04-1.0 parts of foaming agent, 15-50 parts of solvent.Wherein, aggregate is mainly made of waste residue, including sludge incineration
Incineration slag of generation etc., dosage is not high and using low-temperature maintenance method, and therefore, it is necessary to coordinate the gelling material such as substantial amounts of cement
Material, although realizing the recycling of solid slag, production cost is higher；Moreover, this method is molded using low temperature reservation
Technique, without high-temperature sintering process, being on the one hand difficult to heavy metal ion that may be present, product in fixing-stable raw material makes
There are the risk of heavy metal ion exudation during, therefore, the sludge high temperature incineration slag not exceeded to some heavy metals is applicable in,
But the sludge residue not being suitable for after 400~800 DEG C of pyrolysis；On the other hand, the ceramic foam material that prepared by low temperature reservation is strong
Spend low, be only applicable to ornament materials and thermal insulation material, application range is small.
Utility model content
To solve the deficiency of existing patent, the utility model offer is a kind of to prepare foamed ceramics using pyrolyzing sludge residue
Equipment, it is obtained residual by high temperature pyrolysis under anaerobic or anoxia condition suitable for sludge from wastewater treatment plant or industrial sludge
Slag, pyrolyzing sludge temperature are 400~800 DEG C, pyrolysis time 10-60min.The device systems make full use of pyrolyzing sludge residue
In effective element, as the raw material of foamed ceramics, source is simple, of low cost, not only overcomes the original of foamed ceramics
Expect the problems such as of high cost, but also new approach is provided for the recycling of pyrolyzing sludge residue.Its technical process can be with
It is described as：
(a) pyrolyzing sludge residue is crushed to granularity and is less than 1mm；
(b) the pyrolyzing sludge residue after upper step is crushed is pre-mixed with rheological agent, pore creating material, after being then pre-mixed
Material be delivered in wet ball grinding plus water carries out wet ball grinding, obtain slurry；
(c) slurry after upper step wet ball grinding is crossed into 200 mesh sieves, oversize returns to wet ball grinding and recycles, screenings
To be starched for the raw material of foaming, foaming agent then is added in raw material slurry, is foamed；
(d) slurry after foaming is poured into molding die, maintenance shaping, is made sintering embryo material after the demoulding；
(e) the sintering embryo material for obtaining upper step carries out high temperature sintering, and foamed ceramics product is obtained after cooling.
The rheological agent is bentonite, kaolin or hydroxylated cellulose, and adding proportion is pyrolyzing sludge residue after crushing
The 2%~15% of quality；Pore creating material is powdered biomass, carbon dust or carbonate, and adding proportion is pyrolyzing sludge residue after crushing
The 3%~9% of quality；Foaming agent is polyetherimide, polyacrylamide or lauryl sodium sulfate, and adding proportion is raw material
Starch the 0.5~2% of quality.
To reach above-mentioned purpose, the utility model provides a kind of prepares setting for foamed ceramics using pyrolyzing sludge residue
It is standby, it is mainly fixed by pyrolyzing sludge residue warehouse, 1# dosing devices, reducing mechanism, 1# conveying devices, rheological agent warehouse, 2#
Amount charging gear, pore creating material warehouse, 3# dosing devices, mixing arrangement, 4# dosing devices, water tank, 5# quantitatively give
Expect that device, ball mill by wet process, screening machine, 2# conveying devices, foaming agent warehouse, 6# dosing devices, foam device, 7# are quantitative
Charging gear, molding die, 3# conveying devices, curing means, 4# conveying devices, sintering equipment and cooling device composition, tool
Body connection mode is：
Pyrolyzing sludge residue warehouse (1) is connected by 1# dosing devices (2) with reducing mechanism (3) entrance；Crush
Device (3) outlet is connected with 1# conveying devices (4) entrance；1# conveying devices (4) outlet is connected with mixing arrangement (9) entrance；
Rheological agent warehouse (5) outlet is connected by 2# dosing devices (6) with mixing arrangement (9) entrance；Pore creating material stores up
Storehouse (7) outlet is connected by 3# dosing devices (8) with mixing arrangement (9) entrance；
Mixing arrangement (9) outlet is connected by 4# dosing devices (10) with ball mill by wet process (13) entrance；Water tank
(11) outlet is connected by 5# dosing devices (12) with ball mill by wet process (13) entrance；
Ball mill by wet process (13) outlet is connected with screening machine (14) entrance；Screening machine (14) oversize is exported to be filled with 2# conveyings
(15) are put to be connected；The outlet of screening machine (14) screenings is connected with foam device (18) entrance；
Foaming agent warehouse (16) is connected by 6# dosing devices (17) with foam device (18) entrance；
Foam device (18) outlet is connected by 7# dosing devices (19) with molding die (20) entrance；
Molding die (20) is connected through 3# conveying devices (21) with curing means (22) entrance；
Curing means (22) outlet is connected with 4# conveying devices (23) entrance；
4# conveying devices (23) outlet is connected with sintering equipment (24) entrance；Sintering equipment (24) exports and cooling device
(25) entrance is connected.
Preferably,
Pyrolyzing sludge residue warehouse (1), rheological agent warehouse (5), pore creating material warehouse (7) and foaming agent warehouse (16) are common
Steel structure warehouse；
1# dosing devices (2), 2# dosing devices (6), 3# dosing devices (8), 4# dosing devices
(10) it is spiral title or star-shaped pocket feeder with 6# dosing devices (17)；
Reducing mechanism (3) is dry ball, Raymond mill, horizontal roller mill, Vertical Mill or airslide disintegrating mill；
1# conveying devices (4) and 2# conveying devices (15) are belt feeder, scrapper conveyor, screw conveyor or bucket elevator；
Mixing arrangement (9) is double-shaft mixer, coulter type mixer or spiral ribbon mixer；
Water tank (11) is common steel structure water tank；
5# dosing devices (12) are water pump；
Ball mill by wet process (13) is common planetary formula ball mill, tumbling ball mill or oscillatory type ball mill；
Screening machine (14) is conventional wet type screening machine；
Foam device (18) is the stainless steel blending tank equipped with mechanical stirring device or magnetic stirring apparatus；
7# dosing devices (19) are slush pump or inclined chute；
Molding die (20) is common wooden or carbon steel mould；
3# conveying devices (21) and 4# conveying devices (23) are belt conveyor or chain-linked conveyer；
The common curing box of curing means (22) or fog room；
Sintering equipment (24) is belt roaster or pallet；
Cooling device (25) is straight line cooler.
The beneficial effect that the utility model obtains：Equipment described in the utility model, is on the one hand pyrolyzing sludge residue
Recycling provides a new way, on the other hand makes full use of C, Si, Al, Fe in pyrolyzing sludge residue, Ca, Na,
The Hubeiwans such as Mg, greatly reduce the manufacturing cost of foamed ceramics；Make full use of foamed ceramics preparation process high temperature at the same time
Sintering process, realizes the stable curing of heavy metal in pyrolyzing sludge residue, avoids pyrolyzing sludge residue as resources and utilizes process
In Environmental Risk；The device systems are simple and direct, and yield is big, and cost is low, and the degree of automation is high, and generation environment does not pollute, production
Product are environmentally protective.
Brief description of the drawings
Fig. 1 is the equipment connection pass that a kind of pyrolyzing sludge residue that the utility model embodiment 1 provides prepares foamed ceramics
It is schematic diagram；Wherein, 1. pyrolyzing sludge residue warehouse；2.1# dosing device；3. reducing mechanism；4.1# conveying device；5.
Rheological agent warehouse；6.2# dosing device；7. pore creating material warehouse；8.3# dosing device；9. mixing arrangement；10.4# determines
Measure charging gear；11. water tank；12.5# dosing devices；13. ball mill by wet process；14. screening machine；15.2# conveying devices；
16. foaming agent warehouse；17.6# dosing devices；18. foam device；19.7# dosing devices；20. molding die；
21.3# conveying devices；22. curing means；23.4# conveying devices；24. sintering equipment；25. cooling device.
Embodiment
Technical solutions of the utility model are further elaborated with reference to embodiment.Particular technique is not specified in embodiment
Or condition person, carried out according to the described technology of document in the art or condition or according to product description.Agents useful for same
Or production firm person is not specified in instrument, being can be with conventional products that are commercially available.
Embodiment 1
A kind of equipment that foamed ceramics is prepared using pyrolyzing sludge residue, as shown in Figure 1, including：Pyrolyzing sludge residue stores up
Storehouse (1), 1# dosing devices (2), reducing mechanism (3), 1# conveying devices (4), rheological agent warehouse (5), 2# dosings dress
Put (6), pore creating material warehouse (7), 3# dosing devices (8), mixing arrangement (9), 4# dosing devices (10), water tank
(11), 5# dosing devices (12), ball mill by wet process (13), screening machine (14), 2# conveying devices (15), foaming agent warehouse
(16), 6# dosing devices (17), foam device (18), 7# dosing devices (19), molding die (20), 3# conveyings
Device (21), curing means (22), 4# conveying devices (23), sintering equipment (24), cooling device (25)；
The specific connection mode of equipment is：
Pyrolyzing sludge residue warehouse (1) is connected by 1# dosing devices (2) with reducing mechanism (3) entrance；Crush
Device (3) outlet is connected with 1# conveying devices (4) entrance；1# conveying devices (4) outlet is connected with mixing arrangement (9) entrance；
Rheological agent warehouse (5) outlet is connected by 2# dosing devices (6) with mixing arrangement (9) entrance；Pore creating material stores up
Storehouse (7) outlet is connected by 3# dosing devices (8) with mixing arrangement (9) entrance；
Mixing arrangement (9) outlet is connected by 4# dosing devices (10) with ball mill by wet process (13) entrance；Water tank
(11) outlet is connected by 5# dosing devices (12) with ball mill by wet process (13) entrance；
Ball mill by wet process (13) outlet is connected with screening machine (14) entrance；Screening machine (14) oversize is exported to be filled with 2# conveyings
(15) are put to be connected；The outlet of screening machine (14) screenings is connected with foam device (18) entrance；
Foaming agent warehouse (16) is connected by 6# dosing devices (17) with foam device (18) entrance；
Foam device (18) outlet is connected by 7# dosing devices (19) with molding die (20) entrance；
Molding die (20) is connected through 3# conveying devices (21) with curing means (22) entrance；
Curing means (22) outlet is connected with 4# conveying devices (23) entrance；
4# conveying devices (23) outlet is connected with sintering equipment (24) entrance；Sintering equipment (24) exports and cooling device
(25) entrance is connected.
Preferably,
Pyrolyzing sludge residue warehouse (1), rheological agent warehouse (5), pore creating material warehouse (7) and foaming agent warehouse (16) are common
Steel structure warehouse；
1# dosing devices (2), 2# dosing devices (6), 3# dosing devices (8), 4# dosing devices
(10) it is spiral title or star-shaped pocket feeder with 6# dosing devices (17)；
Reducing mechanism (3) is dry ball, Raymond mill, horizontal roller mill, Vertical Mill or airslide disintegrating mill；
1# conveying devices (4) and 2# conveying devices (15) are belt feeder, scrapper conveyor, screw conveyor or bucket elevator；
Mixing arrangement (9) is double-shaft mixer, coulter type mixer or spiral ribbon mixer；
Water tank (11) is common steel structure water tank；
5# dosing devices (12) are water pump；
Ball mill by wet process (13) is common planetary formula ball mill, tumbling ball mill or oscillatory type ball mill；
Screening machine (14) is conventional wet type screening machine；
Foam device (18) is the stainless steel blending tank equipped with mechanical stirring device or magnetic stirring apparatus；
7# dosing devices (19) are slush pump or inclined chute；
Molding die (20) is common wooden or carbon steel mould；
3# conveying devices (21) and 4# conveying devices (23) are belt conveyor or chain-linked conveyer；
The common curing box of curing means (22) or fog room；
Sintering equipment (24) is belt roaster or pallet；
Cooling device (25) is straight line cooler.
Embodiment 2
Using the equipment described in embodiment 1, the pyrolyzing sludge residue that charing 30min is obtained at 650 DEG C is crushed, makes granularity
<1mm；10% bentonite is weighed, 7% powdered biomass is mixed with 83% pyrolyzing sludge residue, adds water to adjust solid-to-liquid ratio
Carry out wet ball grinding after 15%, the rotating speed of ball milling is 230r/min, Ball-milling Time 6h, and the slurry after ball milling crosses 200 mesh sieves, sieves
Upper thing sends ball mill back to, and screenings is starched for foaming raw material.Then the lauryl sodium sulfate of addition 1% is used as foaming in raw material slurry
Agent, while magnetic agitation, the speed of stirring is 400r/min, and it is 50cm that slurry is poured into volume after stirring 10min3Cylinder
In mould, stable foam-formed material is formed after maintenance shaping.Then foam-formed material is put into 60 DEG C of curing box conserve
24h, obtains and forms sintering embryo material；Sintering embryo material is put into sintering Muffle furnace, 1050 are risen to the programming rate of 5 DEG C/min
DEG C, 30min is sintered, with<The rate of temperature fall of 10 DEG C/min cools to room temperature with the furnace, obtains pyrolyzing sludge residue foamed ceramics.Its
Apparent porosity is 57%, compression strength 9MPa, flexural strength 4.6MPa, meets standard GB/T/T 16533-1996, can
For the two-phase purification between gas, solid, liquid with separating and bacteriological filtration, gas distribution etc..Measured by TCLP toxicity lixiviation process dirty
Leaching of Heavy Metals concentration in mud pyrolysis residue foamed ceramics, testing result show Cu, Zn, Cr, Pb, Cd leaching mass concentration according to
Secondary is 242.11mgkg-1、250.33mg·kg-1、0.077mg·kg-1、0.219mg·kg-1、0.027mg·kg-1, it is remote low
In limit value as defined in leaching characteristic identification standard GB/T 5085.3-2007, can use safely.
Embodiment 3
Using the equipment described in embodiment 1, the pyrolyzing sludge residue that charing 30min is obtained at 700 DEG C is crushed, makes granularity
<1mm；15% kaolin is weighed, 3% powdered biomass is mixed with 82% pyrolyzing sludge residue, adds water to adjust solid-to-liquid ratio
To carry out wet ball grinding after 20%, the rotating speed of ball milling is 230r/min, Ball-milling Time 6h, and the slurry after ball milling crosses 200 mesh sieves,
Oversize sends ball mill back to, and screenings is starched for foaming raw material.Then 1.5% lauryl sodium sulfate conduct is added in raw material slurry
Foaming agent, while mechanical agitation, the speed of stirring is 400r/min, and it is 50cm that slurry is poured into volume after stirring 10min3Circle
In cylinder mould, stable foam-formed material is formed after maintenance shaping.Then foam-formed material is put into 60 DEG C of maintenance cage breeding
24h is protected, obtains and forms sintering embryo material；Sintering embryo material is put into high temperature sintering furnace, is risen to the programming rate of 5 DEG C/min
1050 DEG C, 30min is sintered, with<The rate of temperature fall of 10 DEG C/min cools to room temperature with the furnace, obtains pyrolyzing sludge residue foam pottery
Porcelain.Its apparent porosity is 62%, compression strength 8.5MPa, flexural strength 4MPa, meets standard GB/T/T 16533-
1996, available for the two-phase purification between gas, solid, liquid with separating and bacteriological filtration, gas distribution etc..Pass through TCLP toxicity lixiviation process
Leaching of Heavy Metals concentration in pyrolyzing sludge residue foamed ceramics is measured, testing result shows the leaching quality of Cu, Zn, Cr, Pb, Cd
Concentration is followed successively by 221.69mgkg-1、229.22mg·kg-1、0.071mg·kg-1、0.20mg·kg-1、0.024mg·kg-1, far below limit value as defined in leaching characteristic identification standard GB/T 5085.3-2007, can use safely.
Embodiment 4
Using the equipment described in embodiment 1, the pyrolyzing sludge residue that charing 60min is obtained at 400 DEG C is crushed, makes granularity
<1mm；2% kaolin is weighed, 9% carbonate is mixed with 89% pyrolyzing sludge residue, and it is 25% to add water adjustment solid-to-liquid ratio
After carry out wet ball grinding, the rotating speed of ball milling is 230r/min, Ball-milling Time 6h, and the slurry after ball milling crosses 200 mesh sieves, oversize
Send ball mill back to, screenings is starched for foaming raw material.Then in raw material slurry the polyetherimide of addition 0.5% as foaming agent,
Mechanical agitation at the same time, the speed of stirring is 500r/min, and it is 10cm that slurry is poured into volume after stirring 10min3Cylinder mould
In tool, stable foam-formed material is formed after maintenance shaping.Then foam-formed material is put into 100 DEG C of curing box conserve 12h,
Obtain and form sintering embryo material；Sintering embryo material is put into high temperature sintering furnace, 1000 DEG C is risen to the programming rate of 10 DEG C/min, burns
60min is tied, with<The rate of temperature fall of 10 DEG C/min cools to room temperature with the furnace, obtains pyrolyzing sludge residue foamed ceramics.Its apparent pore
Rate is 59%, compression strength 10MPa, flexural strength 5MPa, meets standard GB/T/T 16533-1996, available for gas
Two-phase purification between body, solid, liquid is with separating and bacteriological filtration, gas distribution etc..Pyrolyzing sludge is measured by TCLP toxicity lixiviation process
Leaching of Heavy Metals concentration in residue foamed ceramics, testing result show that the leaching mass concentration of Cu, Zn, Cr, Pb, Cd are followed successively by
260.25mg·kg-1、271.92mg·kg-1、0.082mg·kg-1、0.21mg·kg-1、0.029mg·kg-1, far below leaching
Limit value as defined in going out toxicity discriminating standard GB/T 5085.3-2007, can use safely.
Embodiment 5
Using the equipment described in embodiment 1, the pyrolyzing sludge residue that charing 20min is obtained at 700 DEG C is crushed, makes granularity
<1mm；The hydroxylated cellulose of gross weight 2% is weighed, 3% carbon dust is mixed with 95% pyrolyzing sludge residue, adds water to adjust solid-to-liquid ratio
To carry out wet ball grinding after 30%, the rotating speed of ball milling is 230r/min, Ball-milling Time 6h, and the slurry after ball milling crosses 200 mesh sieves,
Oversize sends ball mill back to, and screenings is starched for foaming raw material.Then the polyacrylamide of addition 2% is used as foaming in raw material slurry
Agent, while mechanical agitation, the speed of stirring is 800r/min, and it is 500cm that slurry is poured into volume after stirring 5min3Cylinder
In mould, stable foam-formed material is formed after maintenance shaping.Then foam-formed material is put into 25 DEG C of curing box conserve
24h, obtains and forms sintering embryo material；Sintering embryo material is put into high temperature sintering furnace, 1200 are risen to the programming rate of 5 DEG C/min
DEG C, 20min is sintered, with<The rate of temperature fall of 10 DEG C/min cools to room temperature with the furnace, obtains pyrolyzing sludge residue foamed ceramics.Its
Apparent porosity is 58%, compression strength 10MPa, flexural strength 5MPa, meets standard GB/T/T 16533-1996, can
For the two-phase purification between gas, solid, liquid with separating and bacteriological filtration, gas distribution etc..Measured by TCLP toxicity lixiviation process dirty
Leaching of Heavy Metals concentration in mud pyrolysis residue foamed ceramics, testing result show Cu, Zn, Cr, Pb, Cd leaching mass concentration according to
Secondary is 261.62mgkg-1、272.40mg·kg-1、0.084mg·kg-1、0.23mg·kg-1、0.026mg·kg-1, it is remote low
In limit value as defined in leaching characteristic identification standard GB/T 5085.3-2007, can use safely.
Embodiment 6
Using the equipment described in embodiment 1, the pyrolyzing sludge residue that charing 30min is obtained at 600 DEG C is crushed, makes granularity
<1mm；5% bentonite is weighed, 5% powdered biomass is mixed with 90% pyrolyzing sludge residue, is added water to adjust solid-to-liquid ratio and is
Carry out wet ball grinding after 10%, the rotating speed of ball milling is 230r/min, Ball-milling Time 6h, and the slurry after ball milling crosses 200 mesh sieves, sieves
Upper thing sends ball mill back to, and screenings is starched for foaming raw material.Then the lauryl sodium sulfate of addition 1% is used as foaming in raw material slurry
Agent, while magnetic agitation, the speed of stirring is 500r/min, and it is 100cm that slurry is poured into volume after stirring 10min3Cylinder
In mould, stable foam-formed material is formed after maintenance shaping.Then foam-formed material is put into 70 DEG C of curing box conserve
24h, obtains and forms sintering embryo material；Sintering embryo material is put into high temperature sintering furnace, 1050 are risen to the programming rate of 5 DEG C/min
DEG C, 30min is sintered, with<The rate of temperature fall of 10 DEG C/min cools to room temperature with the furnace, obtains pyrolyzing sludge residue foamed ceramics.Its
Apparent porosity is 58%, compression strength 10MPa, flexural strength 5MPa, meets standard GB/T/T 16533-1996, can
For the two-phase purification between gas, solid, liquid with separating and bacteriological filtration, gas distribution etc..Measured by TCLP toxicity lixiviation process dirty
Leaching of Heavy Metals concentration in mud pyrolysis residue foamed ceramics, testing result show Cu, Zn, Cr, Pb, Cd leaching mass concentration according to
Secondary is 262.53mgkg-1、271.44mg·kg-1、0.084mg·kg-1、0.24mg·kg-1、0.029mg·kg-1, it is remote low
In limit value as defined in leaching characteristic identification standard GB/T 5085.3-2007, can use safely.
Although the embodiment of the utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to the limitation to the utility model is interpreted as, those of ordinary skill in the art are not departing from the utility model
Principle and objective in the case of above-described embodiment can be changed in the scope of the utility model, change, replace and
Modification.
Claims (1)
- A kind of 1. equipment that foamed ceramics is prepared using pyrolyzing sludge residue, it is characterised in that：The equipment includes：Pyrolyzing sludge Residue warehouse (1), 1# dosing devices (2), reducing mechanism (3), 1# conveying devices (4), rheological agent warehouse (5), 2# are quantitative Charging gear (6), pore creating material warehouse (7), 3# dosing devices (8), mixing arrangement (9), 4# dosing devices (10), storage Water pot (11), 5# dosing devices (12), ball mill by wet process (13), screening machine (14), 2# conveying devices (15), foaming agent storage Storehouse (16), 6# dosing devices (17), foam device (18), 7# dosing devices (19), molding die (20), 3# conveyings Device (21), curing means (22), 4# conveying devices (23), sintering equipment (24), cooling device (25)；The connection mode of the equipment is：Pyrolyzing sludge residue warehouse (1) is connected by 1# dosing devices (2) with reducing mechanism (3) entrance；Reducing mechanism (3) outlet is connected with 1# conveying devices (4) entrance；1# conveying devices (4) outlet is connected with mixing arrangement (9) entrance；Rheological agent warehouse (5) outlet is connected by 2# dosing devices (6) with mixing arrangement (9) entrance；Pore creating material warehouse (7) Outlet is connected by 3# dosing devices (8) with mixing arrangement (9) entrance；Mixing arrangement (9) outlet is connected by 4# dosing devices (10) with ball mill by wet process (13) entrance；Water tank (11) Outlet is connected by 5# dosing devices (12) with ball mill by wet process (13) entrance；Ball mill by wet process (13) outlet is connected with screening machine (14) entrance；Screening machine (14) oversize exports and 2# conveying devices (15) it is connected；The outlet of screening machine (14) screenings is connected with foam device (18) entrance；Foaming agent warehouse (16) is connected by 6# dosing devices (17) with foam device (18) entrance；Foam device (18) outlet is connected by 7# dosing devices (19) with molding die (20) entrance；Molding die (20) is connected through 3# conveying devices (21) with curing means (22) entrance；Curing means (22) outlet is connected with 4# conveying devices (23) entrance；4# conveying devices (23) outlet is connected with sintering equipment (24) entrance；Sintering equipment (24) outlet enters with cooling device (25) Mouth is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721069136.3U CN207313445U (en) | 2017-08-25 | 2017-08-25 | A kind of equipment that foamed ceramics is prepared using pyrolyzing sludge residue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721069136.3U CN207313445U (en) | 2017-08-25 | 2017-08-25 | A kind of equipment that foamed ceramics is prepared using pyrolyzing sludge residue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207313445U true CN207313445U (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721069136.3U Active CN207313445U (en) | 2017-08-25 | 2017-08-25 | A kind of equipment that foamed ceramics is prepared using pyrolyzing sludge residue |
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| Country | Link |
|---|---|
| CN (1) | CN207313445U (en) |
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2017
- 2017-08-25 CN CN201721069136.3U patent/CN207313445U/en active Active
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