CN102225860B - Rare-earth porcelain sand filter material ball for removing organic matters and preparation method thereof - Google Patents
Rare-earth porcelain sand filter material ball for removing organic matters and preparation method thereof Download PDFInfo
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- CN102225860B CN102225860B CN 201110116301 CN201110116301A CN102225860B CN 102225860 B CN102225860 B CN 102225860B CN 201110116301 CN201110116301 CN 201110116301 CN 201110116301 A CN201110116301 A CN 201110116301A CN 102225860 B CN102225860 B CN 102225860B
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Abstract
The invention relates to a rare-earth porcelain sand filter material ball for removing organic matters and a preparation method thereof. The rare-earth porcelain sand filter material ball comprises the following raw materials of: by weight, 10-12 parts of rare earth, 25-35 parts of sticky loess, 40-60 parts of porcelain sand, 9-16 parts of a calcium carbonate stone powder, and 2-5 parts of a binder. The preparation method of the rare-earth porcelain sand filter material ball comprises the following steps of: weighing rare earth, adding a modifier into the weighed rare earth; immersing the configured raw materials in water, followed by the addition of porcelain sand to ferment; adding the calcium carbonate stone powder, the sticky loess and the binder into the processed raw materials, followed by machining processing to form a globoid; placing the prepared globoid into a porcelain sintering kiln to sinter; and naturally cooling after the sintering for molding. As voids on the spherical surface and in the filter material are distributed uniformly with large void fraction, the rare-earth porcelain sand filter material ball for removing organic matters in the invention has good anti-pollution performance.
Description
Technical field
The invention belongs to the water treatment technology field, relate in particular to the organic rare earth porcelain grit filtrate of a kind of removal ball and preparation method thereof.
Background technology
At present, Chinese face is being led serious water quality crisis, and water pollution problems constitutes a serious threat.The complex genesis of China Water pollution problem, large in number and widely distributed, pollutant kind is many, load is high, has greatly aggravated the rare degree of Chinese water, and threatens the public's healthy and standard of living, causes huge Socie-economic loss.From 1999, Chinese city sanitary sewage quantity discharged begins to surpass discharged volume of industrial waste water, in the agricultural production process, the fertilizer application amount is soaring year by year, not only fail grain yield is improved accordingly, and so that constantly the increasing the weight of in the eyes of Rural Plane Source Pollution, and on the increasing impact of environmental quality Influence of production, some areas groundwater pollution is day by day serious, and water pollution accident enters prone period occurred frequently.According to statistics, 3988 of water pollution accidents just occur in 2004-20011.Especially the important water pollution event because of the illegal blowdown of enterprise and accident initiation also is to occur in succession, and wherein comparatively great typical event is water pollution in Songhuajiang River event, Guangdong Bei Jiang cadmium pollution event, Hun River Fushun, Liaoning section water quality phenol concentration over-standard event, Hongshui Rever of Guangxi swan section water pollution event.On February 20th, 2009, Yancheng, Jiangsu Province at the title that " hundred rivers all " are arranged, because the west of a city water factory that supplies water to the urban district, more River Water Factory to be subject to volatile phenol compound polluted, Yancheng on July 23rd, 2009, Chifeng tap water water source well is flooded by heavy rain and causes waterhead area contaminated.Occurring the symptoms such as diarrhoea, vomiting, dizziness, heating after having at least more than 4300 signature because of drinking public water supply goes to see a doctor.The Chifeng this beyond the Great Wall the small city also should this overnight " well-known " domestic and international.This shows, water surrounding and our mankind's is healthy closely bound up, and the organism in the removal water is to ensureing again significance of HUMAN HEALTH.
At present, removing organic water technology mainly contains: " coagulation-precipitation-filtration " technology, air stripping method, sterilization and disinfection technology, carbon source technology, biologic treating technique, ion exchange technique, membrane separation technique and photo chemistry technology treatment technology etc.These water technologies can make the control of the organic content in the water reach higher index.But the filtering material for the treatment of various industrial sewages, industrial water purification, city tap-water, municipal effluent and household pure water, soft water is to make the traditional filtrate of quartz sand, gac and hard coal etc. now, there is the problem into lower aspect in it: voidage is smaller, adsorption time is too short, easily lost efficacy and obstruction, than being easier to wearing and tearing, only have work-ing life about 1 year.
Summary of the invention
The purpose of this invention is to provide the organic rare earth porcelain grit filtrate of a kind of removal ball and preparation method thereof, to overcome present prior art above shortcomings.
The objective of the invention is to be achieved through the following technical solutions:
The organic rare earth porcelain grit filtrate of a kind of removal ball comprises the raw material of following parts by weight: rare earth 10-12, viscosity loess 25-35, porcelain sand 40-60, calcium carbonate stone powder 9-16, binding agent 2-5;
Pure Silicon Metal content 〉=0.01 in the described rare earth, Pure Silicon Metal are at least a in the polysilicon; Binding agent is made by following weight percent raw material: polyethylene 0.5-2%, gelatine 0.5-2% and silica gel 97-98%.
The preparation method of the organic rare earth porcelain grit filtrate of the described removal of embodiment of the invention ball may further comprise the steps:
1) takes by weighing rare earth, in the rare earth that takes by weighing, add properties-correcting agent, properties-correcting agent is one or more in talcum powder, silicon-dioxide and the alpha-crystal form Beta-crystalline polyacrylic, has antireflective effect, can improve toughness of products and improve heat-drawn wire, properties-correcting agent can allow rare earth increase afterwards the content of Pure Silicon Metal in interpolation, is beneficial to that there are more gaps the inside behind finished product, better absorbs the heavy metal of sewage the inside;
2) raw material soaking that step 1) configures after 1-2 hour, is directly added porcelain sand and is fermented in water, the normal temperature bottom fermentation, and fermentation time is 1-2 hour, makes rare earth and the abundant combination of porcelain sand;
3) add calcium carbonate stone powder, viscosity loess and binding agent in the raw material of step 2) handling well, then through being machined to form the spherical shape body that diameter is the 2-4 millimeter;
4) with step 3) the spherical shape body of making puts into the kiln of fire porcelain, through 200-300 degree high-temperature firing, fires the naturally cooling postforming 1 hour.
Beneficial effect of the present invention is:
1, spherical surface, filtrate body internal pore are evenly distributed, and voidage is large, and antifouling property is good, than traditional quartz sand, and gac, zeolite filtration advantages of good adsorption effect 8-15 times, water is generally 15-20m by the speed of filtrate
3/ h, the bed head loss is little, can reduce the filter tank height, saves power consumption and capital cost;
2, uniform particles is regular, easy cleaning, and back washing strength is generally 12-20l/m
2.s, wear away little, but Reusability can reach more than 8 years work-ing life; Compare quartz sand and gac, the water loss of back flushing of the present invention can reduce 30-50;
3, the pore volume Area Ratio surface-area in the filtrate is large, and holding filth capacity is large, is generally 9-10kg/m
3, be 5 times of carbon leaching material;
4, corrosion-resistant, acid and alkali-resistance does not run off, pollution-free, without the stripping nuisance, guarantees water conditioning;
5, the adsorption effect of filtrate is 5 times of gac.
Embodiment
Embodiment 1
The organic rare earth porcelain grit filtrate of the described a kind of removal of embodiment of the invention ball comprises the raw material of following weight (kg): rare earth 10, viscosity loess 25, porcelain sand 50, calcium carbonate stone powder 12.5, binding agent 4.5; Pure Silicon Metal content 〉=0.01 in the described rare earth, Pure Silicon Metal are at least a in the polysilicon; Binding agent is made by following weight percent raw material: polyethylene 0.5-2%, gelatine 0.5-2% and silica gel 97-98%.
The preparation method of the organic rare earth porcelain grit filtrate of the described removal of embodiment of the invention ball may further comprise the steps:
1) takes by weighing the rare earth of 10kg, in the rare earth that takes by weighing, add properties-correcting agent, properties-correcting agent is one or more in talcum powder, silicon-dioxide and the alpha-crystal form Beta-crystalline polyacrylic, has antireflective effect, can improve toughness of products and improve heat-drawn wire, properties-correcting agent can allow rare earth increase afterwards the content of Pure Silicon Metal in interpolation, is beneficial to that there are more gaps the inside behind finished product, better absorbs the heavy metal of sewage the inside;
2) raw material that step 1) configures will be immersed among the water 20kg after 1-2 hour, and directly add 50kg porcelain sand and ferment, the normal temperature bottom fermentation, fermentation time is 45 hours, makes rare earth and the abundant combination of porcelain sand;
3) add calcium carbonate stone powder 12.5kg, viscosity loess 25kg and binding agent 3.5kg in the raw material of step 2) handling well, then through being machined to form the spherical shape body that diameter is the 2-4 millimeter;
4) with step 3) the spherical shape body of making puts into the kiln of fire porcelain, through 200-300 degree high-temperature firing, fires the naturally cooling postforming 10-20 hour.
Embodiment 2
The organic rare earth porcelain grit filtrate of the described a kind of removal of embodiment of the invention ball comprises the raw material of following weight (kg): rare earth 11, viscosity loess 30, porcelain sand 40, calcium carbonate stone powder 9, binding agent 2; Pure Silicon Metal content 〉=0.01 in the described rare earth, Pure Silicon Metal are at least a in the polysilicon; Binding agent is made by following weight percent raw material: polyethylene 0.5-2%, gelatine 0.5-2% and silica gel 97-98%.
The described a kind of preparation method of organic rare earth porcelain grit filtrate ball that removes of the embodiment of the invention is with embodiment 1.
Embodiment 3
The organic rare earth porcelain grit filtrate of the described a kind of removal of embodiment of the invention ball comprises the raw material of following weight (kg): rare earth 12, viscosity loess 35, porcelain sand 60, calcium carbonate stone powder 16, binding agent 5; Pure Silicon Metal content 〉=0.01 in the described rare earth, Pure Silicon Metal are at least a in the polysilicon; Binding agent is made by following weight percent raw material: polyethylene 0.5-2%, gelatine 0.5-2% and silica gel 97-98%.
The described a kind of preparation method of organic rare earth porcelain grit filtrate ball that removes of the embodiment of the invention is with embodiment 2.
Rare earth porcelain grit filtrate ball of the present invention is processed and is contained COD experimental data in the organic sewage process.COD is chemical oxygen demand (COD), and during organism in environmentalism test sewage, chemical oxygen demand (COD) is as an important indicator (seeing " water and effluent monitoring analytical procedure " chapter 7 " mensuration of organic compound " P354) of organism relative content.The aquifer yield of regulation COD is 15mg/l in China's Environmental Quality Standard of Surface Water (GB3838-88).The clearance of (material XX for) material is 100% before in the table behind the 80mins, material lowers gradually to the removal efficient of the bacterium in the water behind the 80mins, begin to exceed standard in 340mins COD value, and 806mins material (material X is at XX) to water in organic processing power all reach maximum saturation.This shows, it is high that rare earth porcelain grit filtrate ball of the present invention is removed efficient, and processing power is strong, has sizable saturation ratio.Concrete actual test data is as follows:
The COD test data
Wherein the quality of each sample is respectively in the table: A; B; C; D; E; F.
COD test data (with the rare earth porcelain grit filter ball that washed)
Wherein the quality of each sample is respectively in the table: A; B; C; D; E; F.
COD test data (with the rare earth porcelain grit filter ball that washed) table is processed for the porcelain sand filter ball that washed and is contained in the organic sewage process experimental data of COD.Used porcelain sand filter ball is rinsed well, then it is applied to processing again and contains organic sewage.Experimental data from table, its general effect and novel material almost do not have difference, this shows, and porcelain sand filter ball of the present invention easily washes, and is reusable.
Claims (1)
1. remove organic rare earth porcelain grit filtrate ball for one kind, it is characterized in that, comprise following parts by weight raw material: rare earth 10-12, viscosity loess 25-35, porcelain sand 40-60, calcium carbonate stone powder 9-16, binding agent 2-5, and properties-correcting agent, Pure Silicon Metal mass content 〉=0.01 in the described rare earth, Pure Silicon Metal is at least a in the polysilicon; Described binding agent is made by following weight percent raw material: polyethylene 0.5-2%, gelatine 0.5-2% and silica gel 97-98%; The preparation method of the organic rare earth porcelain grit filtrate of described removal ball may further comprise the steps:
1) take by weighing rare earth, add properties-correcting agent in the rare earth that takes by weighing, this properties-correcting agent is one or more in talcum powder, silicon-dioxide and alpha-crystal form, the Beta-crystalline polyacrylic;
2) raw material soaking that configures of step 1) after 1-2 hour, is directly added porcelain sand and is fermented in water 20kg, the normal temperature bottom fermentation, and fermentation time is 1-2 hour, makes rare earth and the abundant combination of porcelain sand;
3) add calcium carbonate stone powder, viscosity loess and binding agent in the raw material of step 2) handling well, then through being machined to form the spherical shape body that diameter is the 2-4 millimeter;
4) the spherical shape body of step 3) being made is put into the kiln of fire porcelain, through 200-300 degree high-temperature firing, fires the naturally cooling postforming 1 hour.
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| CN108704380B (en) * | 2018-05-29 | 2020-08-04 | 沈阳理工大学 | Preparation method of porcelain sand filter material for water treatment |
| CN109012650B (en) * | 2018-07-25 | 2020-12-15 | 沈阳理工大学 | Preparation method of rare earth porcelain sand purification material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1101331A (en) * | 1994-06-20 | 1995-04-12 | 江西省萍乡市下埠二工业瓷厂 | Rare-earth micro porous ceramic sands |
| CN1699214A (en) * | 2004-05-18 | 2005-11-23 | 中国水利水电科学研究院 | Compound filling for sewage treatment |
| CN101381222A (en) * | 2008-10-23 | 2009-03-11 | 林真宇 | Filter material of energy cup filter element and agglomeration technology |
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2011
- 2011-05-06 CN CN 201110116301 patent/CN102225860B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1101331A (en) * | 1994-06-20 | 1995-04-12 | 江西省萍乡市下埠二工业瓷厂 | Rare-earth micro porous ceramic sands |
| CN1699214A (en) * | 2004-05-18 | 2005-11-23 | 中国水利水电科学研究院 | Compound filling for sewage treatment |
| CN101381222A (en) * | 2008-10-23 | 2009-03-11 | 林真宇 | Filter material of energy cup filter element and agglomeration technology |
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Owner name: TANGHE YIXUAN COUNTY ENVIRONMENTAL PROTECTION EQUI Free format text: FORMER OWNER: NINGBO CITY XUANYI WATER TREATMENT EQUIPMENT CO., LTD. Effective date: 20140326 |
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Effective date of registration: 20140326 Address after: Tanghe County in Henan province and 473499 Xinhua Road Sheng Ju Lu intersection Patentee after: TANGHE XUANYI ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD. Address before: Kaohsiung streets Yao Shu Village in Beilun District of Zhejiang city in Ningbo province 315823 Patentee before: Ningbo City Xuanyi Water Treatment Equipment Co., Ltd. |
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Address after: Tanghe County, Henan province 473400 riverside Street office in Xinhua Road and the southwest corner of the intersection of Sheng Ju Lu Patentee after: Nanyang city environmental protection equipment Limited by Share Ltd Address before: Tanghe County in Henan province and 473499 Xinhua Road Sheng Ju Lu intersection Patentee before: TANGHE XUANYI ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD. |