CN106554191A - A kind of method that utilization paper mill sludge prepares haydite - Google Patents

A kind of method that utilization paper mill sludge prepares haydite Download PDF

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Publication number
CN106554191A
CN106554191A CN201611020946.XA CN201611020946A CN106554191A CN 106554191 A CN106554191 A CN 106554191A CN 201611020946 A CN201611020946 A CN 201611020946A CN 106554191 A CN106554191 A CN 106554191A
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China
Prior art keywords
haydite
paper mill
raw material
mill sludge
sludge
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Pending
Application number
CN201611020946.XA
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Chinese (zh)
Inventor
荣辉
张鸿飞
高瑞晓
扈世凯
张磊
王雪平
杨久俊
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Tianjin Chengjian University
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Tianjin Chengjian University
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Priority to CN201611020946.XA priority Critical patent/CN106554191A/en
Publication of CN106554191A publication Critical patent/CN106554191A/en
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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
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
    • 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
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • 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
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/135—Combustion residues, e.g. fly ash, incineration waste
    • C04B33/1355—Incineration residues
    • 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
    • C04B33/00—Clay-wares
    • C04B33/32—Burning methods
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/77—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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/94—Products characterised by their shape
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Treatment Of Sludge (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The present invention relates to the steps such as sludge, dregs, ashes Jing granulating and formings, drying, two-part firing are made haydite including according to the formula and the technique by a kind of method that utilization paper mill sludge prepares haydite；Gained haydite excellent, can be used as wall heat insulation material and load-carrying members position raw material；Raw material of the present invention all adopts trade waste, successfully prepares the haydite light-weight aggregate for meeting national standard, realizes the recycling of solid waste, and economic benefit is projected；The present invention has significant meaning at the aspect such as environmental protection and economical, societal benefits.

Description

A kind of method that utilization paper mill sludge prepares haydite
Technical field
The present invention relates to a kind of method that paper mill sludge prepares haydite, belongs to solid waste and processes disposal and resource Using technical field.
Background technology
Paper mill sludge is a large amount of industrial solid castoffs that papermaking enterprise is produced in paper-making process.These paper mill sludges by In containing poisonous and harmful substances such as pathogen, worm's ovum, heavy metal and persistence organic pollutants, if effectively do not processed Dispose, secondary pollution is caused to underground water, soil etc. easily.Therefore it is badly in need of safely and effectively disposing which.To make at present Paper firing sludge, into haydite, is that a kind of building resourceization of effective and safe utilizes method of dissolving.
A kind of method of use preparing porcelain granule from waste paper-making sludge of the disclosure of the invention of application number 200810155372.6, the party Method includes mixing regenerated papermaking sludge in clay and flyash according to a certain percentage, then burns through shaping and in kiln again Into acquisition haydite.Paper mill sludge in the invention refers in particular to the paper mill sludge of waste paper (i.e. recycled writing paper), rather than usually said industry Paper mill sludge, and the chemical composition difference of both is clearly.
In order to trade waste of more dissolving solves the recycling of commercial paper sludge, inventor developed one Kind based on commercial paper sludge, with dregs, the method that haydite is prepared supplemented by ashes.The present invention with foregoing invention a great difference it Place is that what the present invention was adopted is entirely discarded object -- the dregs produced in commercial paper sludge, ashes and building construction process, Other trade wastes of more dissolving while commercial paper recycling sludge is utilized are being solved, is being turned waste into wealth, with brighter Aobvious social effect and environment protection significance.
The content of the invention：
It is an object of the present invention to provide a kind of method that utilization paper mill sludge prepares haydite, including step：
1) granulating and forming
Dregs is taken, it is levigate in powder with ball mill；Then by paper mill sludge, dregs, ashes according to mass ratio (45～ 55):(40～50)：(1～10) is well mixed；Addition water is mixed thoroughly after making into plastic walk, makes diameter 10～20mm raw material balls；
2) it is dried
The raw material ball rubbed with the hands is placed in electric drying oven with forced convection, is dried 24 hours at 50～70 DEG C；Take out raw material ball Naturally cool to room temperature；
3. fire
Roasting is carried out to dried raw material ball using preheating and sintering two-part sintering process；
Warm-up phase：650～750 DEG C from room temperature to preheating temperature, 30 DEG C/min of heating ramp rate, temperature retention time 1～ 3 minutes；
Sintering stage：1100～1200 DEG C from preheating temperature to sintering temperature, 30 DEG C/min of heating rate, temperature retention time 1 ～3 minutes；Take out from high temperature furnace immediately afterwards, be placed under natural conditions and be cooled to room temperature, obtain paper mill sludge haydite.
The paper mill sludge refers to the sludge that commercial paper enterprise produces, and its moisture content is between 50～65%；
The waste soil that the dregs is produced in referring to building construction process；
The ashes refer to the discarded object that thermal power plant boiler bottom collection is obtained.
Beneficial effect
1. the present invention is with commercial paper sludge as primary raw material, volume up to 50%, with dregs, ashes as auxiliary material, Three belongs to solid waste, it is to avoid using non-renewable resources such as clays；This method not only solves sludge, dregs, stove The stacking problem of ash, while making these solid wastes be able to rational recycling, is of great importance in terms of environmental protection.
2. the haydite obtained by this method, excellent can be used as wall heat insulation material and load-carrying members position former material Material；
3. this method yield is high, and product is in great demand, and effective economy return improves enterprise and dissolves using commercial paper sludge Enthusiasm, with obvious economic and social benefit.
Specific embodiment
It is paper mill sludge, dregs and ashes respectively that the present invention is raw materials used.Wherein paper mill sludge refers to papermaking enterprise product Raw sludge, grey black have faint bad smell；The waste soil that dregs is produced in referring to newly-built, enlarging or removal work progress； Ashes refer to the discarded object of thermal power plant boiler bottom discharge.
Embodiment 1
The raw material adopted in this example for：
Paper mill sludge：From Chenming Group Co., Ltd of Shandong Shouguang City, grey black, there is faint bad smell, which is basic As shown in table 1, physical property is as shown in table 2 for chemical composition.
Dregs：The waste soil produced during the subway work of Tianjin, rufous, its basic chemical composition such as table Shown in 1, physical property is as shown in table 2.
Ashes：From Shandong Shouguang steam power plant of Chenming Group Co., Ltd, black, its basic chemical composition such as 1 institute of table Show, physical property is as shown in table 2.
Take dregs ball mill levigate in powder；Then with dregs：Paper mill sludge：Ashes=45：50：5 matter Amount ratio is well mixed, and adding suitable quantity of water to mix thoroughly makes mixture become plastic walk；Walk is twisted into into a diameter of 15mm raw material afterwards Ball.The raw material ball for making is placed in electric drying oven with forced convection, is dried 24 hours at 60 DEG C；Take out, naturally cool to room temperature.
It is put in electric tube furnace case afterwards, roasting is carried out using two-part sintering process；Preheating temperature is heated to from room temperature 700 DEG C, 30 DEG C/min of heating ramp rate, 2 minutes preheating insulation time.Continue with heating rate 30 DEG C/min afterwards to rise Temperature, 1150 DEG C of sintering temperature, sintering time 1 minute；Taken out after the completion of roasting immediately, to put and room temperature is cooled under room temperature environment, obtain Haydite.
In grey black, there is one layer of smooth glaze layer on surface to haydite obtained in this example, and inside is distributed with a large amount of pores, piles up Density is 575kg/m3, apparent density 1030kg/m3, voidage 44.3%, 1 hour water absorption rate 3.0%, cylindrical compress strength is 2.1MPa。
1 raw material chemical composition of table/%
2 raw material physical property of table/%
Embodiment 2
Raw material is with embodiment 1.
Take dregs ball mill levigate in powder；Then with dregs：Paper mill sludge：Ashes=45：50：5 matter Amount ratio is well mixed, and adding suitable quantity of water to mix thoroughly makes mixture become plastic walk；Walk is twisted into into a diameter of 15mm raw material afterwards Ball.The raw material ball for making is placed in electric drying oven with forced convection, is dried 24 hours at 60 DEG C；Take out, naturally cool to room temperature.
It is put in electric tube furnace case afterwards, roasting is carried out using two-part sintering process；Preheating temperature is heated to from room temperature 700 DEG C, 30 DEG C/min of heating ramp rate, 2 minutes preheating insulation time.Continue afterwards, with 30 DEG C/min of intensifications of speed, to burn 1130 DEG C of junction temperature, sintering time 2 minutes；Taken out after the completion of roasting immediately, to put and room temperature is cooled under room temperature environment, obtain haydite.
In grey black, there is one layer of smooth glaze layer on surface to gained haydite, and inside is distributed with a large amount of pores, and bulk density is 670kg/m3, apparent density 1150kg/m3, voidage 41.7%, 1 hour water absorption rate 2.6%, cylindrical compress strength is 3.08MPa.

Claims (2)

1. a kind of method that utilization paper mill sludge prepares haydite, it is characterised in that including step：
1) granulating and forming
Dregs is taken, it is levigate in powder with ball mill, then by paper mill sludge, dregs, ashes according to mass ratio 45～55:40～ 50：1～10 is well mixed；Addition water is mixed thoroughly after making into plastic walk, makes diameter 10～20mm raw material balls；
2) it is dried
The raw material ball rubbed with the hands is placed in electric drying oven with forced convection, is dried 24 hours at 50～70 DEG C；Take out raw material ball nature It is cooled to room temperature；
3) fire
Roasting is carried out to dried raw material ball using preheating and sintering two-part sintering process；
Warm-up phase：650～750 DEG C from room temperature to preheating temperature, 30 DEG C/min of heating ramp rate, 1～3 point of temperature retention time Clock；
Sintering stage：1100～1200 DEG C from preheating temperature to sintering temperature, 30 DEG C/min of heating rate, temperature retention time 1～3 Minute；Take out from high temperature furnace immediately afterwards, be placed under natural conditions and be cooled to room temperature, obtain paper mill sludge haydite；
The paper mill sludge refers to the sludge that commercial paper enterprise produces；
The waste soil that the dregs is produced in referring to building construction process；
The ashes refer to the discarded object that thermal power plant boiler bottom collection is obtained.
2. the method that a kind of utilization paper mill sludge according to claim 1 prepares haydite, it is characterised in that the papermaking is dirty Mud moisture content is between 50～65%.
CN201611020946.XA 2016-11-21 2016-11-21 A kind of method that utilization paper mill sludge prepares haydite Pending CN106554191A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111072371A (en) * 2018-10-22 2020-04-28 萍乡市华星环保工程技术有限公司 Ceramsite prepared by taking industrial waste as main raw material and preparation method thereof
CN111423245A (en) * 2020-05-14 2020-07-17 河南省高新技术实业有限公司 Coal gangue-papermaking sludge ceramsite, preparation method and application thereof, baking-free water permeable brick and preparation method thereof
CN111574193A (en) * 2020-05-25 2020-08-25 天津水泥工业设计研究院有限公司 Sludge ash ceramsite filter material and preparation method thereof
CN113416088A (en) * 2021-07-14 2021-09-21 南通大学 Modified anorthite ceramsite capable of adsorbing ammonia nitrogen and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101337793A (en) * 2008-01-17 2009-01-07 蒋伟 Method for producing energy-saving bricks by comprehensive utilization of paper making sludge and fly ash
CN101386524A (en) * 2008-10-28 2009-03-18 安徽工业大学 Method for preparing porcelain granule from waste paper-making sludge

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101337793A (en) * 2008-01-17 2009-01-07 蒋伟 Method for producing energy-saving bricks by comprehensive utilization of paper making sludge and fly ash
CN101386524A (en) * 2008-10-28 2009-03-18 安徽工业大学 Method for preparing porcelain granule from waste paper-making sludge

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
李海斌等: "氧化镁/地铁渣土复合陶粒的制备及除磷性能研究", 《应用化工》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111072371A (en) * 2018-10-22 2020-04-28 萍乡市华星环保工程技术有限公司 Ceramsite prepared by taking industrial waste as main raw material and preparation method thereof
CN111423245A (en) * 2020-05-14 2020-07-17 河南省高新技术实业有限公司 Coal gangue-papermaking sludge ceramsite, preparation method and application thereof, baking-free water permeable brick and preparation method thereof
CN111574193A (en) * 2020-05-25 2020-08-25 天津水泥工业设计研究院有限公司 Sludge ash ceramsite filter material and preparation method thereof
CN113416088A (en) * 2021-07-14 2021-09-21 南通大学 Modified anorthite ceramsite capable of adsorbing ammonia nitrogen and preparation method thereof

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Application publication date: 20170405