CN110317040A - A kind of preparation method of novel ceramsite and the application in black and odorous water - Google Patents
A kind of preparation method of novel ceramsite and the application in black and odorous water Download PDFInfo
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- CN110317040A CN110317040A CN201910607612.XA CN201910607612A CN110317040A CN 110317040 A CN110317040 A CN 110317040A CN 201910607612 A CN201910607612 A CN 201910607612A CN 110317040 A CN110317040 A CN 110317040A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- 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
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- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
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- C04B33/1328—Waste materials; Refuse; Residues without additional clay
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- 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
- C04B33/1352—Fuel ashes, e.g. fly ash
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- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
- C04B38/063—Preparing or treating the raw materials individually or as batches
- C04B38/0635—Compounding ingredients
- C04B38/0645—Burnable, meltable, sublimable materials
- C04B38/0675—Vegetable refuse; Cellulosic materials, e.g. wood chips, cork, peat, paper
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F2303/04—Disinfection
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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Abstract
Application the invention discloses a kind of preparation method of novel ceramsite and in black and odorous water, belong to polluted-water process field, the preparation method of the novel ceramsite and the application in black and odorous water use creek bed mud, flyash, stalk, wherein creek bed mud uses black and odorous water bed mud, stalk uses agricultural crop straw, novel ceramsite application black and odorous water rationally is fired using river bed bed mud and rice straw doping to administer, and realizes solid waste resource utilization；Haydite has the harmful element in adsorbed water body, bacterium, mineralized water quality simultaneously, while having special tectonic porous, light, that surface strength is high, is suitble to water remediation, and the Water quality that can be obviously improved rivers and lakes is administered applied to black and odorous water.
Description
Technical field
The invention belongs to polluted-water processing technology fields, and in particular to the preparation method of a kind of novel ceramsite and black smelly
Application in water body.
Background technique
A large amount of stain diseases and various rubbish are discharged into river, far beyond river without handling completely by all means
The pollutant carrying capacity of stream causes Organic substance in water matter to increase significantly, and dissolved oxygen falls sharply, and generate under the action of microorganism NH3-N,
The nigrescences substance such as the malodoring substances such as humus, H2S, CH4 and FeS, MnS, to cause black smelly phenomenon.Black and odorous water not only influences
The work of nearby residents, living environment also cause huge harm to the health of people.Therefore, the research of black and odorous water and
Improvement has become a focus of attention.
A large number of studies show that river bottom mud increases, substrate deterioration is to lead to noxious material and harmful micro- life in black and odorous water
The increased arch-criminal of object, and cause the major reason of water quality deterioration.Therefore, creek bed mud how has been effectively improved and has handled
The key for being become river comprehensive improvement, administering black and odorous water.
Haydite is as a kind of light-weight aggregate for building, and the characteristic light with its, high-strength, porous, adsorption effect is good is by people
Attention.The sludge that baking ceramsite uses at present mainly has municipal sludge, leather sludge, paper mill sludge and printing and dyeing sludge
Have high heating value, low-density, mineral constituent and content of beary metal higher etc. special Deng, these sludge.The haydite that the prior art is fired
It is inadequate that there are dilations, and water absorption rate is lower, and adsorption effect is bad, to the problems such as pollutant index removal rate is not high in water body.
As large agricultural country, agricultural development is very rapid in China, and crop material yield is more and more.Their universal processing
Method is landfill, directly burns, this not only causes serious pollution to environment, but also causes the wasting of resources.
It not only contributes to improve environmental pollution using creek bed mud doping agricultural crop straw baking ceramsite, there is preferable society
Can benefit and economic benefit, and the bed mud that solves that treated to a certain extent is stacked and crop straw burning bring atmosphere is dirty
The problems such as dye, realizes the double benefit that " economy " and " environmental protection " coexists.
Summary of the invention
The purpose of the present invention is intended to overcome above-mentioned the deficiencies in the prior art, provide a kind of novel ceramsite preparation method and
In the application administered in black and odorous water, novel ceramsite application black and odorous water rationally is fired using river bed bed mud and rice straw doping
It administers, realizes solid waste resource utilization.
To achieve the above object, the invention provides the following technical scheme: the preparation method of a kind of novel ceramsite and black smelly
Application in water body, the preparation method of the novel ceramsite and the application in black and odorous water make novel ceramic using following ingredients
Grain: creek bed mud, flyash, stalk；Wherein creek bed mud, flyash, mass ratio is 2~3:0.1~0.2:0.1 between stalk
~0.2.
Further, the diameter of the haydite is 1~1.5cm, 1~3g of dry weight；
Preferably, the compression strength of the haydite is 10~20MPa；
Preferably, the bulk density of the haydite is 1100~1200kg/m3；
Preferably, the adsorption rate of the haydite is 10%~20%；
Preferably, the specific surface area of the haydite is 2~4m2/g.
Further, the preparation method of the novel ceramsite includes the following steps:
S1, creek bed mud is dried into 6h at 105 DEG C, is completely dried it, the creek bed mud after being dried；
S2, the creek bed mud dried in S1 is ground with normal abrasive machine, agricultural crop straw is crushed using stalk
Machine crushes, and creek bed mud, flyash, stalk cross 100 mesh standard square hole screens respectively, removes wherein biggish impurity；
S3, the creek bed mud, flyash, stalk of above-mentioned S11 are mixed with mass ratio for 2~3:0.1~0.2:0.1~0.2
It closes uniformly, stirs evenly progress wet process roller granulation after adding water to stable molding, obtain the raw material ball that partial size is 1-1.5cm；
S4, it is calcined；Quartz boat equipped with several raw material balls is placed on and has been warming up to 1200 DEG C of numerical control tubular type
It is calcined in heating furnace, in calcination process, controls air mass flow.
Further, application of the novel ceramsite in black and odorous water includes the haydite that will prepare by every cubic metre 100
~120 are thrown to black and odorous water.
Using the above scheme: preparing haydite as raw material using black and odorous water bed mud, flyash, agricultural crop straw may be implemented bottom
Mud resource utilizes, and the aggravation of sludge stacking and atmosphere pollution is avoided while realizing that solid waste resource recovery utilizes,
Be conducive to the construction and development of the ecological agriculture and fine society；Using flyash, flyash is similar with clay, resource utilization
Material base it is well many than sludge, be a kind of raw material of ideal baking lightweight aggregate.And because haydite has adsorbed water body
In harmful element, bacterium, mineralized water quality, while having special tectonic porous, light, that surface strength is high, suitable water body is repaired
It is multiple；Stalk adulterates sludge, coal ash for manufacturing for haydite, and the method not only facilitates realization solid waste resource utilization, and keeps away
Stalk is exempted from and has directly burned bring energy waste and atmosphere polluting problem, river can be obviously improved applied to black and odorous water improvement
The Water quality in lake.
Compared with prior art, the beneficial effects of the present invention are: the present invention utilizes creek bed mud, agricultural crop straw preparation pottery
Grain, realizes reclamation of solid wastes, can effectively solve Treatment of Sludge and the problem of crop straw burning is brought, haydite is used for black smelly
Water body treating can effectively improve water quality, reduce content of organics, promotes water body oxygen and dissolves content, the haydite weight of sludge preparation
Metal leaching rate is low, and preparation method is simple, at low cost.
Specific embodiment
Below with reference to embodiment, the present invention will be further described.
The following examples are intended to illustrate the invention, but cannot be used to limit the scope of the invention.Item in embodiment
Part can be adjusted according to actual conditions are further, under concept thereof of the invention all to method simple modifications of the invention
Belong to the scope of protection of present invention.
Embodiment 1
The preparation method and the application in black and odorous water that the present invention provides a kind of novel ceramsite, the preparation of the novel ceramsite
Method prepares new ceramics using following raw materials according:
Creek bed mud, flyash, stalk；Wherein creek bed mud, flyash, mass ratio is 3:0.1:0.1 between stalk；
Further, the diameter of the haydite is 1cm；The compression strength of haydite is 10MPa；The bulk density of haydite is
1100kg/m3；The adsorption rate of haydite is 10%；
Ceramics are made of following method:
S1, creek bed mud is dried into 6h at 105 DEG C, is completely dried it, the creek bed mud after being dried；
S2, the creek bed mud dried in S1 is ground with normal abrasive machine, agricultural crop straw is crushed using stalk
Machine crushes, and creek bed mud, flyash, stalk cross 100 mesh standard square hole screens respectively, removes wherein biggish impurity；
S3, the creek bed mud, flyash, stalk of above-mentioned S11 are uniformly mixed with mass ratio for 3:0.1:0.1, are added water to
It is stirred evenly after stable molding and carries out the granulation of wet process roller, obtain the raw material ball that partial size is 1-1.5cm；
S4, it is calcined；Quartz boat equipped with several raw material balls is placed on and has been warming up to 1200 DEG C of numerical control tubular type
It is calcined in heating furnace, in calcination process, controls air mass flow.
Application in black and odorous water: the above-mentioned haydite prepared is thrown to black and odorous water by 100 every cubic metre.
Embodiment 2
The preparation method and the application in black and odorous water that the present invention provides a kind of novel ceramsite, the preparation of the novel ceramsite
Method prepares new ceramics using following raw materials according:
Creek bed mud, flyash, stalk；Wherein creek bed mud, flyash, mass ratio is 3:0.15:0.2 between stalk；
Further, the diameter of the haydite is 1.2cm；The compression strength of haydite is 10MPa；The bulk density of haydite is
1150kg/m3；The adsorption rate of haydite is 15%；
Ceramics are made of following method:
S1, creek bed mud is dried into 6h at 105 DEG C, is completely dried it, the creek bed mud after being dried；
S2, the creek bed mud dried in S1 is ground with normal abrasive machine, agricultural crop straw is crushed using stalk
Machine crushes, and creek bed mud, flyash, stalk cross 100 mesh standard square hole screens respectively, removes wherein biggish impurity；
S3, the creek bed mud, flyash, stalk of above-mentioned S11 are uniformly mixed with mass ratio for 3:0.15:0.2, are added water to
It is stirred evenly after stable molding and carries out the granulation of wet process roller, obtain the raw material ball that partial size is 1-1.5cm；
S4, it is calcined；Quartz boat equipped with several raw material balls is placed on and has been warming up to 1200 DEG C of numerical control tubular type
It is calcined in heating furnace, in calcination process, controls air mass flow.
Application in black and odorous water: the above-mentioned haydite prepared is thrown to black and odorous water by 100 every cubic metre.
Embodiment 3
The preparation method and the application in black and odorous water that the present invention provides a kind of novel ceramsite, the preparation of the novel ceramsite
Method prepares new ceramics using following raw materials according:
Creek bed mud, flyash, stalk；Wherein creek bed mud, flyash, mass ratio is 2.5:0.2:0.2 between stalk；
Further, the diameter of the haydite is 1.2cm；The compression strength of haydite is 10MPa；The bulk density of haydite is
1200kg/m3；The adsorption rate of haydite is 10%；
Ceramics are made of following method:
S1, creek bed mud is dried into 6h at 105 DEG C, is completely dried it, the creek bed mud after being dried；
S2, the creek bed mud dried in S1 is ground with normal abrasive machine, agricultural crop straw is crushed using stalk
Machine crushes, and creek bed mud, flyash, stalk cross 100 mesh standard square hole screens respectively, removes wherein biggish impurity；
S3, the creek bed mud, flyash, stalk of above-mentioned S11 are uniformly mixed with mass ratio for 2.5:0.2:0.2, add water
It is stirred evenly after to stable molding and carries out the granulation of wet process roller, obtain the raw material ball that partial size is 1-1.5cm；
S4, it is calcined；Quartz boat equipped with several raw material balls is placed on and has been warming up to 1200 DEG C of numerical control tubular type
It is calcined in heating furnace, in calcination process, controls air mass flow.
Application in black and odorous water: the above-mentioned haydite prepared is thrown to black and odorous water by 110 every cubic metre.
Embodiment 4
The preparation method and the application in black and odorous water that the present invention provides a kind of novel ceramsite, the preparation of the novel ceramsite
Method prepares new ceramics using following raw materials according:
Creek bed mud, flyash, stalk；Wherein creek bed mud, flyash, mass ratio is 2.5:0.15 between stalk:
0.15；
Further, the diameter of the haydite is 1.5cm；The compression strength of haydite is 10MPa；The bulk density of haydite is
1100kg/m3；The adsorption rate of haydite is 18%；
Ceramics are made of following method:
S1, creek bed mud is dried into 6h at 105 DEG C, is completely dried it, the creek bed mud after being dried；
S2, the creek bed mud dried in S1 is ground with normal abrasive machine, agricultural crop straw is crushed using stalk
Machine crushes, and creek bed mud, flyash, stalk cross 100 mesh standard square hole screens respectively, removes wherein biggish impurity；
S3, the creek bed mud, flyash, stalk of above-mentioned S11 are uniformly mixed with mass ratio for 2.5:0.15:0.15, are added
It is stirred evenly after water to stable molding and carries out the granulation of wet process roller, obtain the raw material ball that partial size is 1-1.5cm；
S4, it is calcined；Quartz boat equipped with several raw material balls is placed on and has been warming up to 1200 DEG C of numerical control tubular type
It is calcined in heating furnace, in calcination process, controls air mass flow.
Application in black and odorous water: the above-mentioned haydite prepared is thrown to black and odorous water by 120 every cubic metre.
Embodiment 5
The preparation method and the application in black and odorous water that the present invention provides a kind of novel ceramsite, the preparation of the novel ceramsite
Method prepares new ceramics using following raw materials according:
Creek bed mud, flyash, stalk；Wherein creek bed mud, flyash, mass ratio is 2:0.2:0.15 between stalk；
Further, the diameter of the haydite is 1cm；The compression strength of haydite is 10MPa；The bulk density of haydite is
1180kg/m3；The adsorption rate of haydite is 20%；
Ceramics are made of following method:
S1, creek bed mud is dried into 6h at 105 DEG C, is completely dried it, the creek bed mud after being dried；
S2, the creek bed mud dried in S1 is ground with normal abrasive machine, agricultural crop straw is crushed using stalk
Machine crushes, and creek bed mud, flyash, stalk cross 100 mesh standard square hole screens respectively, removes wherein biggish impurity；
S3, the creek bed mud, flyash, stalk of above-mentioned S11 are uniformly mixed with mass ratio for 2:0.2:0.15, are added water to
It is stirred evenly after stable molding and carries out the granulation of wet process roller, obtain the raw material ball that partial size is 1-1.5cm；
S4, it is calcined；Quartz boat equipped with several raw material balls is placed on and has been warming up to 1200 DEG C of numerical control tubular type
It is calcined in heating furnace, in calcination process, controls air mass flow.
Application in black and odorous water: the above-mentioned haydite prepared is thrown to black and odorous water by 110 every cubic metre.
Embodiment 6
The preparation method and the application in black and odorous water that the present invention provides a kind of novel ceramsite, the preparation of the novel ceramsite
Method prepares new ceramics using following raw materials according:
Creek bed mud, flyash, stalk；Wherein creek bed mud, flyash, mass ratio is 2:0.2:0.2 between stalk；
Further, the diameter of the haydite is 1.5cm；The compression strength of haydite is 10MPa；The bulk density of haydite is
1100kg/m3；The adsorption rate of haydite is 15%；
Ceramics are made of following method:
S1, creek bed mud is dried into 6h at 105 DEG C, is completely dried it, the creek bed mud after being dried；
S2, the creek bed mud dried in S1 is ground with normal abrasive machine, agricultural crop straw is crushed using stalk
Machine crushes, and creek bed mud, flyash, stalk cross 100 mesh standard square hole screens respectively, removes wherein biggish impurity；
S3, the creek bed mud, flyash, stalk of above-mentioned S11 are uniformly mixed with mass ratio for 2:0.2:0.2, are added water to
It is stirred evenly after stable molding and carries out the granulation of wet process roller, obtain the raw material ball that partial size is 1-1.5cm；
S4, it is calcined；Quartz boat equipped with several raw material balls is placed on and has been warming up to 1200 DEG C of numerical control tubular type
It is calcined in heating furnace, in calcination process, controls air mass flow.
Application in black and odorous water: the above-mentioned haydite prepared is thrown to black and odorous water by 120 every cubic metre.
Embodiment 7
The preparation method and the application in black and odorous water that the present invention provides a kind of novel ceramsite, the preparation of the novel ceramsite
Method prepares new ceramics using following raw materials according:
Creek bed mud, flyash, stalk；Wherein creek bed mud, flyash, mass ratio is 2:0.2:0.2 between stalk；
Further, the diameter of the haydite is 1.5cm；The compression strength of haydite is 10MPa；The bulk density of haydite is
1150kg/m3；The adsorption rate of haydite is 20%；
Ceramics are made of following method:
S1, creek bed mud is dried into 6h at 105 DEG C, is completely dried it, the creek bed mud after being dried；
S2, the creek bed mud dried in S1 is ground with normal abrasive machine, agricultural crop straw is crushed using stalk
Machine crushes, and creek bed mud, flyash, stalk cross 100 mesh standard square hole screens respectively, removes wherein biggish impurity；
S3, the creek bed mud, flyash, stalk of above-mentioned S11 are uniformly mixed with mass ratio for 2:0.2:0.2, are added water to
It is stirred evenly after stable molding and carries out the granulation of wet process roller, obtain the raw material ball that partial size is 1-1.5cm；
S4, it is calcined；Quartz boat equipped with several raw material balls is placed on and has been warming up to 1200 DEG C of numerical control tubular type
It is calcined in heating furnace, in calcination process, controls air mass flow.
Application in black and odorous water: the above-mentioned haydite prepared is thrown to black and odorous water by 100 every cubic metre.
Embodiment 8
The preparation method and the application in black and odorous water that the present invention provides a kind of novel ceramsite, the preparation of the novel ceramsite
Method prepares new ceramics using following raw materials according:
Creek bed mud, flyash, stalk；Wherein creek bed mud, flyash, mass ratio is 3:0.15:0.15 between stalk；
Further, the diameter of the haydite is 1.2cm；The compression strength of haydite is 10MPa；The bulk density of haydite is
1200kg/m3；The adsorption rate of haydite is 15%；
Ceramics are made of following method:
S1, creek bed mud is dried into 6h at 105 DEG C, is completely dried it, the creek bed mud after being dried；
S2, the creek bed mud dried in S1 is ground with normal abrasive machine, agricultural crop straw is crushed using stalk
Machine crushes, and creek bed mud, flyash, stalk cross 100 mesh standard square hole screens respectively, removes wherein biggish impurity；
S3, the creek bed mud, flyash, stalk of above-mentioned S11 are uniformly mixed with mass ratio for 3:0.15:0.15, add water
It is stirred evenly after to stable molding and carries out the granulation of wet process roller, obtain the raw material ball that partial size is 1-1.5cm；
S4, it is calcined；Quartz boat equipped with several raw material balls is placed on and has been warming up to 1200 DEG C of numerical control tubular type
It is calcined in heating furnace, in calcination process, controls air mass flow.
Application in black and odorous water: the above-mentioned haydite prepared is thrown to black and odorous water by 100 every cubic metre.
Comparative example 1
Creek bed mud, flyash, stalk；Wherein creek bed mud, flyash, mass ratio is 3:0.1:0.1 between stalk；
Further, the diameter of the haydite is 0.8cm；The compression strength of haydite is 10MPa；The bulk density of haydite is
1100kg/m3；The adsorption rate of haydite is 10%；
Application in black and odorous water: the above-mentioned haydite prepared is thrown to black and odorous water by 100 every cubic metre.
Comparative example 2
Creek bed mud, flyash, stalk；Wherein creek bed mud, flyash, mass ratio is 3:0.3:0.3 between stalk；
Further, the diameter of the haydite is 1.5cm；The compression strength of haydite is 10MPa；The bulk density of haydite is
1100kg/m3；The adsorption rate of haydite is 15%；
Application in black and odorous water: the above-mentioned haydite prepared is thrown to black and odorous water by 100 every cubic metre.
Comparative example 3
Creek bed mud, flyash, stalk；Wherein creek bed mud, flyash, mass ratio is 3:0.09:0.2 between stalk；
Further, the diameter of the haydite is 1.5cm；The compression strength of haydite is 10MPa；The bulk density of haydite is
1200kg/m3；The adsorption rate of haydite is 10%；
Application in black and odorous water: the above-mentioned haydite prepared is thrown to black and odorous water by 110 every cubic metre.
Comparative example 4
Creek bed mud, flyash, stalk；Wherein creek bed mud, flyash, mass ratio is 2.5:1:1 between stalk；
Further, the diameter of the haydite is 1.5cm；The compression strength of haydite is 10MPa；The bulk density of haydite is
1100kg/m3；The adsorption rate of haydite is 18%；
Application in black and odorous water: the above-mentioned haydite prepared is thrown to black and odorous water by 120 every cubic metre.
Comparative example 5
Creek bed mud, flyash, stalk；Wherein creek bed mud, flyash, mass ratio is 2:1:1 between stalk；
Further, the diameter of the haydite is 1cm；The compression strength of haydite is 10MPa；The bulk density of haydite is
1180kg/m3；The adsorption rate of haydite is 20%；
Application in black and odorous water: the above-mentioned haydite prepared is thrown to black and odorous water by 110 every cubic metre.
Comparative example 6
Creek bed mud, flyash, stalk；Wherein creek bed mud, flyash, mass ratio is 3:1:1 between stalk；
Further, the diameter of the haydite is 1.5cm；The compression strength of haydite is 10MPa；The bulk density of haydite is
1100kg/m3；The adsorption rate of haydite is 15%；
Application in black and odorous water: the above-mentioned haydite prepared is thrown to black and odorous water by 120 every cubic metre.
Comparative example 7
Creek bed mud, flyash, stalk；Wherein creek bed mud, flyash, mass ratio is 3:0.25:0.25 between stalk；
Further, the diameter of the haydite is 1.5cm；The compression strength of haydite is 10MPa；The bulk density of haydite is
1200kg/m3；The adsorption rate of haydite is 20%；
Application in black and odorous water: the above-mentioned haydite prepared is thrown to black and odorous water by 90 every cubic metre.
Comparative example 8
Creek bed mud, flyash, stalk；Wherein creek bed mud, flyash, mass ratio is 3:0.1:0.1 between stalk；
Further, the diameter of the haydite is 2cm；The compression strength of haydite is 10MPa；The bulk density of haydite is
1200kg/m3；The adsorption rate of haydite is 15%；
Application in black and odorous water: the above-mentioned haydite prepared is thrown to black and odorous water by 100 every cubic metre.
PH value in the black and odorous water of above-described embodiment and comparative example processing, ammonia nitrogen, total phosphorus, total nitrogen, CODCr, DO are gone
Except rate (%) and dissolved oxygen content variation are counted, raw water pH value, ammonia nitrogen, total phosphorus, total nitrogen, CODCr, DO content such as following table
Shown in 1, treatment effect is as shown in table 2 below:
Table 1
Table 2
In conclusion as seen from table, its heavy metal leaching rate of the haydite of the method for the present invention preparation is in national agricultural standards model
In enclosing, secondary pollution will not be brought.Using creek bed mud as primary raw material, addition flyash, agricultural crop straw are fired into the present invention
Novel ceramsite with some strength and adsorption effect can largely consume sludge and agricultural crop straw, and it is useless to meet China's solid
Innoxious, the minimizing, recycling principle of gurry processing have active influence to environmental protection.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of preparation method of novel ceramsite and the application in black and odorous water, which is characterized in that the preparation of the novel ceramsite
Method and the application in black and odorous water make novel ceramsite: creek bed mud, flyash, stalk using following ingredients；Wherein river
Gush bed mud, flyash, mass ratio is 2~3:0.1~0.2:0.1~0.2 between stalk.
2. the preparation method and the application in black and odorous water, feature of a kind of novel ceramsite according to claim 1 exist
In the diameter of the haydite is 1~1.5cm, 1~3g of dry weight；
Preferably, the compression strength of the haydite is 10~20MPa；
Preferably, the bulk density of the haydite is 1100~1200kg/m3；
Preferably, the adsorption rate of the haydite is 10%~20%；
Preferably, the specific surface area of the haydite is 2~4m2/g.
3. the preparation method and the application in black and odorous water, feature of a kind of novel ceramsite according to claim 1 exist
In the preparation method of the novel ceramsite includes the following steps:
S1, creek bed mud is dried into 6h at 105 DEG C, is completely dried it, the creek bed mud after being dried；
S2, the creek bed mud dried in S1 is ground with normal abrasive machine, agricultural crop straw uses stalk crasher powder
Broken, creek bed mud, flyash, stalk cross 100 mesh standard square hole screens respectively, remove wherein biggish impurity；
S3, the creek bed mud, flyash, stalk of above-mentioned S11 are mixed with mass ratio for 2~3:0.1~0.2:0.1~0.2
It is even, progress wet process roller granulation is stirred evenly after adding water to stable molding, obtains the raw material ball that partial size is 1-1.5cm；
S4, it is calcined；Equipped with several raw material balls quartz boat be placed on be warming up to 1200 DEG C numerical control tubular type heating
It is calcined in furnace, in calcination process, controls air mass flow.
4. a kind of preparation method of novel ceramsite according to claims 1 to 3 and the application in black and odorous water, feature
It is, application of the novel ceramsite in black and odorous water includes that the haydite that will be prepared is launched by 100~120 every cubic metre
To black and odorous water.
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| CN112897986A (en) * | 2019-11-19 | 2021-06-04 | 新沂市新南环保产业技术研究院有限公司 | Preparation method of novel ceramsite and application of novel ceramsite in black and odorous water body |
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