CN101585714B - Preparing method of ceram site fully using biosolid and sludge - Google Patents
Preparing method of ceram site fully using biosolid and sludge Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
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Abstract
This invention discloses a preparing method of ceram site fully using biosolid and sludge, including steps as follows: a, mixing materials; b, preparing particles; c, sintering at temperature of 1000-1300 degrees centigrade after pre-heating for 5-20 minutes; cooling at temperature of 50-200 degrees centigrade for 10-30 minutes after sintering, thereby preparing finished ceram site product. Accordingly, this invention makes effective use of urban mud, and changes industrial waste solid into valuable; further, this utilyit model is low in preparation cost and suitable for large-scaled production.
Description
Technical field
The present invention relates to a kind of method of making haydite, relate in particular to a kind of method of utilizing biological sludge and mud to make haydite fully.Belong to the light material technical field.
Background technology
Haydite has excellent performance, and is low like density, cylindrical compress strength is high, porosity is high, and coefficient of softening is high, frost resistance is good, alkali resistant aggregate reaction property excellence etc.Special because haydite density is little, inner porous, form, composition are than homogeneous, and certain intensity of tool and soundness, thereby have light weight, and be corrosion-resistant, freeze proof, antidetonation and good multifunctional characteristics such as isolated property.Utilize these excellent performances of haydite, can it be widely used in departments such as building materials, gardening, flame-proof thermal insulation material, chemical industry, oil, Application Areas is more and more wider, is also continuing expansion.At the beginning of haydite was produced, it was mainly used in building materials field, because the continuous development and the people of technology are more deep to the understanding of haydite performance, the application of haydite surpasses this traditional range of building materials already, constantly enlarges its new application.The application of haydite aspect building materials now drops to 80% by 100%, and application has in other respects accounted for 20%.Along with continually developing of the new purposes of haydite, its ratio in other respects will increase gradually.
Lightweight property is the most important in the many premium propertiess of haydite, also is the major cause that it can replace the heavy sandstone.The inner structural features of haydite is fine and closely woven cellular micropore.These micropores all are case type, rather than communicate-type.It into forms in the shell owing to gas is wrapped, and this is the major cause of haydite light weight.Raw material branch by haydite can be divided into: (1) lytag: with the solid waste is main raw material, adds a certain amount of agglutinate and water, and through the processing balling-up, burning expands, and burning expands or natural curing forms the light coarse aggregate of particle diameter more than 5mm.(2) clay haydite: with clay, sandy loam etc. is main raw material, granulates through processing, and to burn expand forms, the light coarse aggregate of particle diameter more than 5mm.(3) haydites of book structure: claim heaving shales again, the light coarse aggregate of particle diameter more than 5mm that expands and form burnt in, screening broken with warps such as clay matter shale, slates, or balling-up behind the grinding.Haydites of book structure is divided into by process method: through broken, screening, the bloated coventional type haydites of book structure that forms of burning; Through grinding, balling-up, the bloated spheroidal haydites of book structure that forms of burning.(4) garbage ceramsites: be with after the garbage treatment, expand through granulation, burning and produce sintering-expanded haydite.Or rubbish is burnt slag add the cement granulation, unburned garbage ceramsites is produced in natural curing.Characteristics such as garbage ceramsites has that raw material abundance, cost are low, less energy consumption, light weight are high-strength.Garbage ceramsites also can be used as purposes such as heat insulating, floor, light weight concrete, water treatment purification except can be made into novel wall materials such as wallboard, building block, brick, have vast market.(5) coal gangue haydite: with meet the coal gangue that burn to expand requires through fragmentation, preheating, burning is bloated, cooling, classification, packing are produced.(6) biological sludge haydite: with the biological sludge is main raw material(s), adopt dry, grind, haydite that balling-up, burning are expanded into.(7) bed mud haydite: utilize bed mud to substitute clay, through the haydite of dredging, seasoning, raw material balling-up, preheating, burning are expanded, cooling is processed.
Chinese patent (Granted publication number: CN1171829C) a kind of method of utilizing the biological sludge of sewage treatment plant baking clay ceramsite; This method comprises that starting material processing, raw material preparation, balling-up, haydite burn the process of expanding, and is characterized in that material component and weight percent content thereof are following: clay: 71-89; Biological sludge by dewatered sludge: 6-21; Wingdale: 3-8; Iron powder: 2-6; Burning the TR that expands is 1175 ℃-1250 ℃.Though this method is utilized useful resources such as biological sludge of sewage treatment plant instead of part clay, can the consumption of corresponding minimizing raw clay.But this method still adopts the clay (reaching 71%-89%) of big weight percent can't realize really turning waste into wealth, and practices thrift the purpose of soil data.
Summary of the invention
The present invention is directed to the defective that prior art exists, providing a kind of can turn waste into wealth, the method for utilizing biological sludge and mud to make haydite fully that economizes the land resource.
The objective of the invention is to realize through following technical proposal: a kind of method of utilizing biological sludge and mud to make haydite fully, this method may further comprise the steps:
A, batch mixing: behind biological sludge and mud partly dehydrating, put into stirrer in proportion and carry out abundant batch mixing, mixing time is 5-20 minute;
B, granulation: biological sludge behind the above-mentioned batch mixing and mud are carried out fragmentation, and the broken time is 1-5 minute, carries out granulation after the fragmentation, and 5-20 minute granulation time, the particle diameter of particulate material is 1-20mm after the granulation;
C, burning expand: particulate material after the above-mentioned granulation is put into rotary kiln carry out preheating, preheating temperature is 200-500 ℃, and be 10-30 minute warm up time; Burn bloatedly after the preheating, the temperature that burn to expand is 1000-1300 ℃, burns to expand time 5-20 minute; Burning the back of expanding is that cooling obtained the haydite finished product after 10-30 minute under the condition about 50-200 ℃ in temperature.
It is main raw material with all kinds of clays, mud stone, slate, shale etc. mainly that prior art is produced haydite, cause the significant wastage of resource, and mud and industrial sludge quantity discharged is big, and environmental pollution is serious.The present invention passes through for a long time to mud and biological sludge The Chemical Constituents, and the biological sludge that adopts mud and sewage work can be produced tap density≤500kg/m as raw material
3Superlight ceramsites or≤700kg/m
3Ordinary ceramsite, or≤900kg/m
3High-strength ceramic granule, the haydite excellent property.Realized turning waste into wealth the purpose that economizes the land resource fully.
In the above-mentioned method of utilizing biological sludge and mud to make haydite fully; Biological sludge described in the steps A is a dewatered sludge; Described mud is one or both in piling mud, the riverway sludge, and the weight percent of described biological sludge and mud is 10%-40%:60%-90%.As preferably, the weight percent of described biological sludge and mud is 10%-25%:75%-90%.Best preferred, the weight percent of described biological sludge and mud is 10%-20%:80%-90%.Produce ultralight, common, high-strength ceramic granule has and must require the chemical ingredients of raw material, the chemical ingredients of the mud of wherein driving piles, riverway sludge and dewatered sludge is as shown in table 1:
Table 1: the biological sludge that the present invention adopts and the chemical ingredients of mud
| Riverway sludge | Dewatered sludge | Piling mud | |
| SiO 2(％) | 48.27 | 18.8 | 60.7 |
| Al 2O 3(％) | 12.57 | 9.18 | 15.29 |
| Fe 2O 3(％) | 4.94 | 10.31 | 6.96 |
| CaO(％) | 3.81 | 5.40 | 1.01 |
| MgO(％) | 2.52 | 6.40 | 2.10 |
| Loss on ignition | 7.19 | 47.76 | 7.25 |
| Other | 20.70 | 2.15 | 6.69 |
Can find out from table 1: the chemical ingredients of riverway sludge that the present invention adopts and piling mud and clay, mud stone, slate, shale etc. are more approaching, and can utilize it is main raw material, and dewatered sludge is main admixture.
Also the quality of the haydite produced is had great effect and the ratio of mud and biological sludge is different, the result is shown in table 2, table 3 and table 4.
Table 2: the haydite quality of the riverway sludge of Different Weight per-cent and dewatered sludge preparation
Can find out from table 2: the present invention makes main raw material with riverway sludge, and the dewatered sludge optimal mixing amount is 20%, mixes a certain amount of dewatered sludge, and pellet optimum expansion temperature descends to some extent; The haydite apparent density is minimum to be 800kg/m
3
Table 3: the haydite quality of the piling mud of Different Weight per-cent and dewatered sludge preparation
Can find out from table 3: during as main raw material, the dewatered sludge optimal mixing amount is 10-15% with piling mud in the present invention; Mix a certain proportion of dewatered sludge, pellet optimum expansion temperature descends to some extent, and the minimum apparent density of sample is minimum to be 610kg/m
3The dewatered sludge mixed ratio is big more, and it is big that water-intake rate also becomes thereupon, and apparent density is big more.
Table 4: the haydite quality of the riverway sludge of Different Weight per-cent, piling mud and dewatered sludge preparation
Can find out from table 4: the present invention is that proportioning haydite sample quality is best with riverway sludge 50%+ piling mud 30%+ dewatered sludge 20%, and apparent density is minimum to be 650kg/m
3
In the above-mentioned method of utilizing biological sludge and mud to make haydite fully, biological sludge described in the steps A and mud are 30%-45% through water ratio behind the partly dehydrating.As preferably, biological sludge described in the steps A and mud are 35%-42% through water ratio behind the partly dehydrating.Because haydite burns till the raw material water ratio is had certain requirement, but biological sludge water ratio when whizzer unloads is higher, can not directly be used for haydite and burn and expand; But biological sludge and mud plasticity-are irreversible phenomenas, and biological sludge is very fine and smooth, along with Exposure to Sunlight or wind; After surface-moisture was lost gradually in the mud, mud is hardening gradually, and the corner is sharp; The chap gradually of mud fine particle loses plastic performance, if in the mud of hardening, inject moisture again; Just become fine sand through grinding mud, lost viscosity and plasticity-fully.To pass through water ratio behind the partly dehydrating and be 41.5% (20% biological sludge and 80% mud prescription are 1.) and to be 37.3% biological sludge through water ratio behind the partly dehydrating as shown in table 5 with the quality of the haydite sample that burns the back formation of expanding through preheating with mud (20% biological sludge and 80% mud prescription are 2.):
Table 5: the haydite quality of 20% biological sludge of different water cut rate and the preparation of 80% mud
Can find out from table 5: because the raw materials mix that adopts is more even, the haydite sample range of expansion of different water cut rate preparation is different.
In the above-mentioned method of utilizing biological sludge and mud to make haydite fully; As preferably, the described granulation of step b is divided into secondary granulation, adopts the pair roller granulation 3-6 minute for the first time; For the second time adopt granulation cylinder granulation 3-6 minute, the particle diameter of particulate material is 5-15mm behind the secondary granulation.Raw material particle diameter after cooperate stirring a granulation is bigger, strengthens through the intensity that diminishes of particle diameter behind the secondary granulation, helps the indoor increase expansion character of burning till, and improves the haydite quality.
In the above-mentioned method of utilizing biological sludge and mud to make haydite fully, as preferably, preheating temperature is 250-400 ℃ among the step c, and be 15-25 minute warm up time.Best preferred, preheating temperature is 300 ℃ among the step c, and be 20 minutes warm up time.Preheating temperature has bigger influence to the quality of burning the bloated haydite that forms, and particularly to the water-intake rate of haydite sample, apparent density and tap density all have material impact.Main raw material riverway sludge and piling mud are dried under 105 ± 5 ℃ condition, and preheating is burnt and is expanded, and the quality of burning the back haydite sample that expands is as shown in table 6.
Table 6: different preheating is to the quality influence of haydite sample
Can find out from table 6: preheating temperature is at 300 ℃, warm up time when 20min, the performance optimal of haydite sample.
In the above-mentioned method of utilizing biological sludge and mud to make haydite fully, as preferably, burning the temperature that expands among the step c is 1100-1200 ℃, burns and expands time 8-12 minute.
In the above-mentioned method of utilizing biological sludge and mud to make haydite fully, as preferably, cooling temperature is 80-150 ℃ among the step c, and be 15-25 minute cooling time.Haydite surface, time too short sharply cooling back easy of crack influences product intensity.
In the above-mentioned method of utilizing biological sludge and mud to make haydite fully, the waste gas and the flue dust that produce in the bloated process of revolution klining among the step c carry out desulfurization, dust removal process.The present invention produces in the haydite process, can produce the waste gas and the dust of environmental pollution, adopts common desulfurization, dust removal process technology to make flue dust and SO
2Total emission volumn reach discharging standards, can not pollute environment.
In sum, the present invention has the following advantages:
1, the present invention adopts biological sludge and mud can produce ultralight, common and high-strength ceramic granule as raw material; Energy-saving effect is remarkable; Help protecting resources such as river, lake and soil, effectively utilized municipal sludge, industrial roach to realize the purpose that turns waste into wealth.
2, utilize the qualities such as tap density, cylindrical compress strength, water-intake rate and voidage of the haydite that method of the present invention makes better; It is better to be used as the material of construction effect of not only conducting oneself with dignity; Energy-saving effect is remarkable; Heat preservation and insulation is good, and has good fire resistance properties, anti-seismic performance, anti-permeability performance and endurance quality.
3, the method technology of utilizing biological sludge and mud to make haydite fully of the present invention is simple, and it is lower to make the haydite cost, can carry out large-scale industrialization production.
Description of drawings:
Fig. 1 is that the present invention utilizes biological sludge and mud to make the method process flow sheet of haydite fully.
Embodiment
Through specific embodiment and combine accompanying drawing, do further bright specifically below to technical scheme of the present invention; But the present invention is not limited to these embodiment.
Table 7: the weight percent proportioning (%) of the biological sludge of embodiment 1-12 and mud
Embodiment 1
As shown in Figure 1; With riverway sludge, after the prescription of dewatered sludge mixes, place ageing under the normal temperature in 1 ratio of embodiment in the table 7; Place and carried out partly dehydrating in 7 days; The water ratio of dehydration back riverway sludge and dewatered sludge is 41.5%, puts into biaxial rneader through feeding machine and carries out abundant batch mixing, and mixing time is 20 minutes; Then biological sludge behind the above-mentioned batch mixing and mud are carried out fragmentation in roll crusher; The broken time is 1 minute; Carry out secondary granulation after the fragmentation; Adopt for the first time pair roller tablets press pair roller granulation 4 minutes, adopt granulation cylinder granulation 6 minutes for the second time, the particle diameter of particulate material is 5-15mm behind the secondary granulation.Particulate material after the above-mentioned granulation is put into bitubular rotary kiln carry out preheating, preheating temperature is 250 ℃, and be 25 minutes warm up time; Burn bloatedly after the preheating, the temperature that burn to expand is 1100 ℃, burns the 12 minutes time of expanding; The back of burn expanding is that cooling obtained the haydite finished product after 15 minutes under 80 ℃ the condition in temperature, wherein the bitubular revolution klining waste gas and common desulfurization, the dust removal process of flue dust employing that expand and produce in the process.
Embodiment 2-4, according to embodiment 2-4 ratio in the table 7 with riverway sludge, after the prescription of dewatered sludge mixes; Place ageing under the normal temperature, place and carried out partly dehydrating in 7 days, the water ratio of dehydration back riverway sludge and dewatered sludge is 40-45%; Other technical process is repeated no more with embodiment 1.
Embodiment 5
In 5 ratios of embodiment in the table 7 mud of will driving piles; After the prescription of dewatered sludge mixes; Place ageing under the normal temperature, place and carried out partly dehydrating in 7 days, the water ratio of dehydration back riverway sludge and dewatered sludge is 34.2%; Put into biaxial rneader through feeding machine and carry out abundant batch mixing, mixing time is 5 minutes; Then biological sludge behind the above-mentioned batch mixing and mud are carried out fragmentation in roll crusher; The broken time is 5 minutes; Carry out secondary granulation after the fragmentation; Adopt for the first time pair roller tablets press pair roller granulation 6 minutes, adopt granulation cylinder granulation 4 minutes for the second time, the particle diameter of particulate material is 2-15mm behind the secondary granulation.
Particulate material after the above-mentioned granulation is put into bitubular rotary kiln carry out preheating, preheating temperature is 400 ℃, and be 15 minutes warm up time; Burn bloatedly after the preheating, the temperature that burn to expand is 1250 ℃, burns the 8 minutes time of expanding; The back of burn expanding is that cooling obtained the haydite finished product after 25 minutes under 150 ℃ the condition in temperature, wherein the bitubular revolution klining waste gas and common desulfurization, the dust removal process of flue dust employing that expand and produce in the process.
Embodiment 6-7 is according to the mud of will driving piles of embodiment 6-7 ratio in the table 7, after the prescription of dewatered sludge mixes; Place ageing under the normal temperature, place and carried out partly dehydrating in 7 days, the water ratio of dehydration back riverway sludge and dewatered sludge is 30-35%; Other technical process is repeated no more with embodiment 5.
Embodiment 8
After in 8 ratios of embodiment in the table 7 prescription of riverway sludge, piling mud and dewatered sludge being mixed; Place ageing under the normal temperature; Place and carried out partly dehydrating in 7 days; The water ratio of dehydration back riverway sludge and dewatered sludge is 37.8%, puts into biaxial rneader through feeding machine and carries out abundant batch mixing, and mixing time is 3 minutes; Then biological sludge behind the above-mentioned batch mixing and mud are carried out fragmentation in roll crusher; The broken time is 3 minutes; Carry out secondary granulation after the fragmentation; Adopt for the first time pair roller tablets press pair roller granulation 5 minutes, adopt granulation cylinder granulation 5 minutes for the second time, the particle diameter of particulate material is 5-15mm behind the secondary granulation.
Particulate material after the above-mentioned granulation is put into bitubular rotary kiln carry out preheating, preheating temperature is 300 ℃, and be 20 minutes warm up time; Burn bloatedly after the preheating, the temperature that burn to expand is 1200 ℃, burns the 10 minutes time of expanding; The back of burn expanding is that cooling obtained the haydite finished product after 20 minutes under 100 ℃ the condition in temperature, wherein the bitubular revolution klining waste gas and common desulfurization, the dust removal process of flue dust employing that expand and produce in the process.
Embodiment 9-12; After according to embodiment 9-12 ratio in the table 7 prescription of riverway sludge, piling mud and dewatered sludge being mixed; Place ageing under the normal temperature, place and carried out partly dehydrating in 7 days, the water ratio of dehydration back riverway sludge and dewatered sludge is 35-40%; Other technical process is repeated no more with embodiment 8.
Randomly draw the haydite sample that embodiment 1 makes, the result is as shown in table 8 to its Quality Detection.
The quality of the haydite sample that table 8: embodiment 1 makes
Randomly draw the haydite sample that embodiment 8 makes, the result is as shown in table 9 to its Quality Detection.
The quality of the haydite sample that table 9: embodiment 8 makes
Shown in table 8 and table 9; The qualities such as tap density, cylindrical compress strength, water-intake rate and voidage of the haydite that the present invention makes are better; It is better to be used as the material of construction effect of not only conducting oneself with dignity; Energy-saving effect is remarkable, and heat preservation and insulation is good, and has good fire resistance properties, anti-seismic performance, anti-permeability performance and endurance quality.
Specific embodiment described in the present invention only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although the present invention has been made detailed explanation and has quoted some specific embodiments as proof, to those skilled in the art, only otherwise leave that the spirit and scope of the present invention can be done various variations or correction is obvious.
Claims (6)
1. method of utilizing biological sludge and mud to make haydite fully, this method may further comprise the steps:
A, batch mixing: behind biological sludge and mud partly dehydrating, put into stirrer in proportion and carry out abundant batch mixing, mixing time is 5-20 minute; Described biological sludge is a dewatered sludge, and described mud is one or both in piling mud, the riverway sludge, and the weight percent of described biological sludge and mud is 10%-40%: 60%-90%;
B, granulation: biological sludge behind the above-mentioned batch mixing and mud are carried out fragmentation, and the broken time is 1-5 minute, carries out granulation after the fragmentation, and 5-20 minute granulation time, the particle diameter of particulate material is 1-20mm after the granulation; Described granulation is divided into secondary granulation, adopts the pair roller granulation 3-6 minute for the first time, adopts granulation cylinder granulation 3-6 minute for the second time, and the particle diameter of particulate material is 5-15mm behind the secondary granulation;
C, burning expand: particulate material after the above-mentioned granulation is put into rotary kiln carry out preheating, preheating temperature is 200-500 ℃, and be 10-30 minute warm up time; Burn bloatedly after the preheating, the temperature that burn to expand is 1000-1300 ℃, burns to expand time 5-20 minute; Burning the back of expanding is that cooling obtained the haydite finished product after 10-30 minute under the condition about 50-200 ℃ in temperature.
2. the method for utilizing biological sludge and mud to make haydite fully according to claim 1, it is characterized in that: biological sludge described in the step a and mud are 30%-45% through water ratio behind the partly dehydrating.
3. the method for utilizing biological sludge and mud to make haydite fully according to claim 1, it is characterized in that: preheating temperature is 250-400 ℃ among the step c, be 15-25 minute warm up time.
4. according to the said method of utilizing biological sludge and mud to make haydite fully of claim 1, it is characterized in that: burning the temperature that expands among the step c is 1100-1200 ℃, burns and expands time 8-12 minute.
5. according to the said method of utilizing biological sludge and mud to make haydite fully of claim 1, it is characterized in that: cooling temperature is 80-150 ℃ among the step c, and be 15-25 minute cooling time.
6. according to claim 1 or 3 or the 4 or 5 described methods of utilizing biological sludge and mud to make haydite fully, it is characterized in that: the waste gas and the flue dust that produce in the bloated process of revolution klining among the step c carry out desulfurization, dust removal process.
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| CN101781117B (en) * | 2010-01-27 | 2013-05-08 | 华南理工大学 | Preparation method of antifouling heat insulation light ceramics |
| CN102295468A (en) * | 2011-06-17 | 2011-12-28 | 天津市天运轻集料建材厂 | Sintered aggregate production line and preparation method for sintered aggregate |
| CN102515706B (en) * | 2011-12-27 | 2013-08-07 | 浙江方远建材科技有限公司 | High-performance ceramsite and preparation method thereof |
| CN102731055B (en) * | 2012-07-13 | 2014-02-19 | 哈尔滨工业大学 | Preparation method for producing lightweight ceramisite from sewage sludge and river sediment through firing |
| CN104311128B (en) * | 2014-10-08 | 2016-04-20 | 严亮 | A kind of porous adsorptive type haydite and preparation method thereof |
| CN105254165B (en) * | 2015-11-26 | 2018-11-27 | 浙江方远新材料股份有限公司 | A kind of municipal sludge building materials processing system and processing method |
| CN106187092B (en) * | 2016-09-08 | 2019-03-01 | 河海大学 | A method of sponge brick is fired using sludge and mud |
| CN106238444B (en) * | 2016-09-26 | 2017-05-31 | 深圳申佳原环保科技有限公司 | The system of industrial treatment mud dregs |
| CN106587765A (en) * | 2016-12-02 | 2017-04-26 | 北京仁创砂业科技有限公司 | Method for preparing ceramsites and ceramsites prepared by method |
| CN107216126B (en) * | 2017-04-19 | 2020-08-14 | 青岛易生态环保科技有限公司 | Preparation method of ceramsite by taking municipal sludge as raw material |
| CN108516760A (en) * | 2018-04-16 | 2018-09-11 | 江南大学 | A kind of porous material and preparation method and application |
| CN111410541A (en) * | 2019-01-07 | 2020-07-14 | 陕西中宇工贸有限公司 | Environment-friendly multipurpose urban sludge building material and preparation method thereof |
| CN110041051A (en) * | 2019-05-07 | 2019-07-23 | 浙江工业大学 | A kind of river bottom mud and construction slurry haydite and preparation method thereof |
| CN110511040A (en) * | 2019-09-27 | 2019-11-29 | 梁凤鸣 | A kind of environment-friendly type haydite and preparation method thereof |
| CN111099903A (en) * | 2019-12-31 | 2020-05-05 | 同济大学 | Ceramsite refractory material based on slurry resource soil and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1109850A (en) * | 1995-01-25 | 1995-10-11 | 北京市环境卫生科学研究所 | Method for producing haydite from refuse or mud |
| CN1644565A (en) * | 2004-12-14 | 2005-07-27 | 南开大学 | Method for producing light ceramic particles from mud in water supply plant and sewage treating plant |
| CN101439963A (en) * | 2008-11-04 | 2009-05-27 | 福建省三角洲陶粒科技有限公司 | Haydite and production thereof |
-
2009
- 2009-06-19 CN CN2009100998958A patent/CN101585714B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1109850A (en) * | 1995-01-25 | 1995-10-11 | 北京市环境卫生科学研究所 | Method for producing haydite from refuse or mud |
| CN1644565A (en) * | 2004-12-14 | 2005-07-27 | 南开大学 | Method for producing light ceramic particles from mud in water supply plant and sewage treating plant |
| CN101439963A (en) * | 2008-11-04 | 2009-05-27 | 福建省三角洲陶粒科技有限公司 | Haydite and production thereof |
Non-Patent Citations (3)
| Title |
|---|
| 仇心金.污泥资源化生产陶瓷技术.《建设科技》.2009,(第10期),第89页左栏第11-13行. * |
| 范锦忠.广州华穗黏土陶粒生产技术特色和节能优势.《新型墙材》.2005,(第1期),第2部分. * |
| 阮传祥.利用污泥、淤泥生产陶粒.《粉煤灰》.2005,(第5期),第1-4部分. * |
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