CN102092856A - Hollow spherical porous filler for artificial wetland and raw materials - Google Patents
Hollow spherical porous filler for artificial wetland and raw materials Download PDFInfo
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- CN102092856A CN102092856A CN 201010594065 CN201010594065A CN102092856A CN 102092856 A CN102092856 A CN 102092856A CN 201010594065 CN201010594065 CN 201010594065 CN 201010594065 A CN201010594065 A CN 201010594065A CN 102092856 A CN102092856 A CN 102092856A
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Abstract
The invention relates to a hollow spherical porous filler for an artificial wetland and raw materials. The filler consists of two hollow semispheres with an equal external diameter, wherein one of the two hollow semispheres is a hollow protruded semisphere (1), and the other of the two hollow semispheres is a hollow sunken semisphere (2); the hollow protruded semisphere (1) has a lug boss structure (3); the hollow sunken semisphere (2) has a sunken stage structure (4); the lug boss structure (3) is right embedded into the sunken stage structure (4); a plurality of through holes (5) are formed on the hollow protruded semisphere (1) and the hollow sunken semisphere (2); and porosity is 25 to 35 percent. The filler comprises the following raw materials in part by weight: 50 to 80 parts of sludge, 10 to 30 parts of straw, 10 to 15 parts of clay and 25 to 50 parts of water. The filler for the artificial wetland has high effluent quality, can reduce a biochemical oxygen demand (BOD) index to be 25 to 80 percent, reduce a chemical oxygen demand (COD) to be 10 to 50 percent, reduce suspension (SS) to be about 50 percent and simultaneously remarkably reduce the cost of the raw materials and the processing cost.
Description
Technical field
The present invention relates to sewage treatment area in the environment-friendly engineering, particularly a kind of cost is low, effectively solve problem of environmental pollution, is used for the novel artificial wet land filler that artificial wet land system can efficiently be removed pollutent.
Background technology
In recent years, along with the continuous increase of China's urban population and the fast development of Agro-industry, environmental pollution is serious day by day, because a large amount of industry and the unprocessed water body that directly enters of sanitary sewage, cause many water bodys contaminated, sewage handling problem has become the significant problem that China's environmental pollution faces.At present, China overwhelming majority municipal wastewater treatment plants all adopt traditional secondary activated sludge method processing technique, and this technology nitrogen, tp removal rate are not high, and investment is high, and energy consumption is big, and operational management requires high.Artificial marsh sewage treatment system is a kind of sewage disposal technology that grew up in recent years, compare with traditional sewage second-level biochemical processing process, have characteristics such as good purification, energy consumption is low, the anti impulsion load ability is strong, ecological environment benefit is remarkable, therefore more and more be subjected to people's attention.
Artificial swamp is an intact ecocystem, mainly by plant, filler and be grown in filler and the microorganism on root system of plant surface constitutes.Filler is the important component part of artificial wet land system, and it not only provides suitable condition for plant-growth, microorganic adhesion, and self also effectively removes pollution substance (especially nitrogen, phosphorus) by effects such as physical and chemical adsorption, sedimentation complexings.Filler handle pollutent load, assimilated efficiency, hold back effect, consistency of performance, cheap be the main standard of selecting high efficiency packing.But it is more single that the filler of widespread use is at present selected, as rubble, shale, coal ash, slag, haydite, Wingdale, zeolite etc.The main drawback of these fillers is that packing specific area is little, microorganism adsorption area and growing space are limited, causes that the artificial swamp area is big, filler is saturated easily, and the cycle of operation of artificial swamp shortens, and removes the pollutent poor effect.Therefore, select a kind of filler practical and less investment significant to artificial marsh sewage treatment system.If can utilize local refuse, waste-material-preparing wet land filler with suiting measures to local conditions, can reduce the cost of artificial swamp greatly, also provide an approach that utilizes again for refuse, waste material.
China region is wide, and the lake, river is numerous, and the mud generation is big.According to relevant department's investigation statistics, only lake, the annual desilting amount of riverway sludge are 7,000,000 tons, how to deal carefully with so a large amount of mud, turn harm into good, turn waste into wealth, protect the recycling of environment, realization mud, are the current problems that needs solution.In addition, the big area crop straw burning in farmland endangers greatlyyer, and not only polluted air is detrimental to health, initiation fire, and destroy Soil structure.Can also be the task of top priority with the stalk comprehensive utilization.
The present invention makes a kind of filler special for artificial wetland with river course mud and agricultural stalk are mixed, and it has, and intensity is big, cost is low, the life-span is long, to characteristics such as pollutent advantages of good adsorption effect.
Summary of the invention
The objective of the invention is to develop a kind of investment cost low, to pollutent assimilated efficiency height, the long-acting persistent hollow ball-type protruded packing of performance.This filler main raw material derives from mud and the farmland stalk in rivers or the lake, and these mud, farmland stalk add clay after high-temperature roasting becomes hollow porous medium, fill microorganism or bacterium etc. at hollow position.Sewage enters filler inside through hole like this, carries out DeR with the microorganism or the bacterium of the filler inside of packing into, reaches the purpose of removing pollution substance.
Technical scheme of the present invention is as follows:
A kind of hollow ball-type protruded packing that is used for artificial swamp is made up of the hollow hemisphere that two outside diameters equate, one is hollow protruding hemisphere (1), and another is a hollow recessed hemisphere (2); Hollow protruding hemisphere (1) has boss structure (3), and hollow recessed hemisphere (2) has concave station structure (4), and boss structure (3) just in time is embedded in the concave station structure (4); Hollow protruding hemisphere (1) and hollow recessed hemisphere (2) are provided with many through holes (5); Voidage is 25～35%.
Described through hole (5) structure is an arbitrary shape.The mixing of circular, trilateral, rectangle or several shapes; Single hole area is at 2～15mm
2
The present invention is used for the raw material of the hollow ball-type protruded packing of artificial swamp, and the feed composition of filler and the parts by weight of each component are not: mud 50-80, stalk 10-30, clay 10-15, water 25-50.
Adopt common blending means to get final product raw material.
After at first water mixes mud and stalk, add clay, mix, the pug that stirs is imported sinter molding in the spherical module.According to different demands, can be with the hollow ball shape that radius does not wait that is shaped as of the mud material forming that stirs.The outside radius scope of one hollow ball is 4-5cm, and the inside radius scope is 2-3cm, and at high temperature sintering makes hollow ball-type artificial swamp filler, and the filler interstitial surface area magnitude range that sinters into is at 2-15mm
2About, voidage is 25～35%.
The filler that adds in the artificial wetland treating pond of the present invention by pond or river course mud, clay and agricultural crop straw as: rice husk, wood chip etc. forms as the main raw material(s) roast.Wherein agricultural crop straw is a pore former, and the purpose of adding clay is to improve the splitting resistance and the later strength of roast product.
The artificial wet land filler effluent quality of the present invention quality height can reduce by 25%～80% with the BOD index; The COD index reduces by 10%～50%, and SS reduces about 50%; Simultaneously can obviously reduce material cost and tooling cost.
Innovation part of the present invention is that raw material sources are extensive, and is with low cost, can improve contaminant removal efficiency in the sewage by utilization of waste material; The special construction of this filler makes the microorganism growth space increase, solve effectively that the wet land filler specific surface area is little, the microorganism adsorption area is limited, on the carrier microorganism saturated, remove shortcomings such as pollutent efficient is low; Can change after microorganism absorption simultaneously is saturated, significantly reduce the tooling cost of filler.
The present invention provides a brand-new processing approach for riverway sludge and wastes of crops, both dredging rivers, mud is stepped in the benign cycle of Sustainable development, reduce the influence that the sewage disposal throw out causes environment, reduced atmospheric pollution and Soil structure destructive drawback that crop straw burning brings again.
Description of drawings
Fig. 1 is artificial wet land filler structure iron.
Embodiment
Below in conjunction with accompanying drawing equipment provided by the present invention is further detailed.
Hollow ball-type protruded packing of the present invention is made up of the hollow hemisphere that two outside diameters and interior diameter equate, one is hollow protruding hemisphere (1), and another is a hollow recessed hemisphere (2); Hollow protruding hemisphere (1) has boss structure (3), and hollow recessed hemisphere (2) has concave station structure (4), and boss structure (3) just in time is embedded in the concave station structure (4); Hollow protruding hemisphere (1) and hollow recessed hemisphere (2) respectively have the duct (5) of some amount, diagram duct (5) structure is circular, but because the irregularity of roast process pore former, the duct can be not limited to circle, can be trilateral, Polygons or irregular hole, perhaps with the mixing of epithyrid.Single hole area is controlled at 2～15mm
2Between, voidage is 25～35%.
The main raw of hollow ball-type protruded packing of the present invention is that river course or Pond Silt, farmland stalk and clay constitute, and the weight part of these three kinds of materials is respectively: mud 50～80, farmland stalk 10～30, clay 10～15, water 25～50.
During use, with filling a certain amount of microbial strains in the middle of first hollow ball, fill out at wet land filler plants on surface well developed root system position, one is pressed the wetland area and adds 15kg/m
2, reach more satisfactory effect.
Embodiment 1:
Raw material adopts Tianjin Haihe River mud, and 80g mud is mixed with farmland 30g wheat stalk, and the water with 50g mixes again, adds the 15g clay, stir, add and to be put into roasting in the stove in the mould, maintenance at normal temperatures half a day, promptly getting external diameter is 5cm, and internal diameter is 2cm, and void area is about 10-15mm
2, voidage is at 30% hollow ball-type filler.The invention process is in the town sewage treatment project of Tianjin, and detected result is as shown in the table before and after the water conditioning:
Embodiment 2:
Raw material adopts Tianjin Haihe River mud, 60g mud is mixed with 15g farmland maize straw, mix with the water about 35g again, add the 12g clay, stir, be put into roasting in the stove in the adding mould, maintenance at normal temperatures half a day, promptly getting external diameter is 4cm, and internal diameter is 1.5cm, and void area is about 10-12mm
2, voidage is at 30% hollow ball-type filler.The invention process is in the sewage treatment project in cities and towns, Shenzhen, and detected result is as shown in the table before and after the water conditioning:
Embodiment 3:
Raw material adopts Tianjin Haihe River mud, and 50g mud is mixed with 10g farmland maize straw, and the water with 25g mixes again, adds the 10g clay, stir, add and to be put into roasting in the stove in the mould, maintenance at normal temperatures half a day, promptly getting external diameter is 2cm, and internal diameter is 1cm, and void area is about 5-10mm
2, voidage is at 25% hollow ball-type filler.The invention process is in the sewage treatment project in cities and towns, Shenzhen, and detected result is as shown in the table before and after the water conditioning:
A kind of hollow ball-type protruded packing that is used for artificial wet land system that the present invention proposes, be described by embodiment, person skilled obviously can be changed or suitably change and combination system and method as herein described in not breaking away from content of the present invention, spirit and scope, realizes technology of the present invention.Special needs to be pointed out is, the replacement that all are similar and change apparent to those skilled in the artly, they are regarded as being included in spirit of the present invention, scope and the content.
Claims (4)
1. hollow ball-type protruded packing that is used for artificial swamp is characterized in that: be made up of the hollow hemisphere that two outside diameters equate, one is hollow protruding hemisphere (1), and another is a hollow recessed hemisphere (2); Hollow protruding hemisphere (1) has boss structure (3), and hollow recessed hemisphere (2) has concave station structure (4), and boss structure (3) just in time is embedded in the concave station structure (4); Hollow protruding hemisphere (1) and hollow recessed hemisphere (2) are provided with many through holes (5); Voidage is 25～35%.
2. protruded packing as claimed in claim 1 is characterized in that described through hole (5) structure is an arbitrary shape.
3. protruded packing as claimed in claim 1 is characterized in that the mixing of described through hole (5) structure optimization circle, trilateral, rectangle or several shapes; Single hole area is at 2～15mm
2
4. be used for the raw material of the hollow ball-type protruded packing of artificial swamp, it is characterized in that the weight part of filler material component and each component is respectively: mud 50-80, stalk 10-30, clay 10-15, water 25-50.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105940655A CN102092856B (en) | 2010-12-17 | 2010-12-17 | Hollow spherical porous filler for artificial wetland and raw materials |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105940655A CN102092856B (en) | 2010-12-17 | 2010-12-17 | Hollow spherical porous filler for artificial wetland and raw materials |
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| CN102092856A true CN102092856A (en) | 2011-06-15 |
| CN102092856B CN102092856B (en) | 2012-08-08 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874930A (en) * | 2012-09-21 | 2013-01-16 | 中国矿业大学 | Dedicated filler for constructed wetland and preparation method for filler |
| CN102989311A (en) * | 2012-11-16 | 2013-03-27 | 孙绍堂 | Manufacture method of biological deodorizing filling material and biological deodorizing filling material |
| CN104759186A (en) * | 2015-05-04 | 2015-07-08 | 苏州新求是环保科技有限公司 | Activated carbon padding and preparation method thereof |
| CN104860360A (en) * | 2015-05-19 | 2015-08-26 | 东北师范大学 | Device for blocking farmland non-point source pollution in river basin |
| CN106430415A (en) * | 2016-11-29 | 2017-02-22 | 大连凯泓科技有限公司 | Spherical oil-absorption packing |
| CN108314191A (en) * | 2018-01-18 | 2018-07-24 | 同济大学 | A kind of method and its device for villages and small towns sewerage nitrogen and phosphor recycling treatment |
| CN108610014A (en) * | 2018-05-04 | 2018-10-02 | 温州大学 | Phosphorus recycling and biological ceramic particle regeneration method in the preparation method and haydite of eutrophication water efficient dephosphorization recoverable version biological ceramic particle |
| WO2019091178A1 (en) * | 2017-11-09 | 2019-05-16 | 山东大学 | Constructed wetland based on biomass circulation, and method for forcedly removing pollutants of constructed wetland |
| CN111718001A (en) * | 2020-06-05 | 2020-09-29 | 北京森淼天成环保科技有限公司 | Preparation method of dephosphorization filler and application of dephosphorization filler in constructed wetland |
| CN113428972A (en) * | 2021-07-16 | 2021-09-24 | 南京沃谱瑞环境研究院有限公司 | Preparation mold and preparation method of filler special for constructed wetland |
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| CN2066858U (en) * | 1989-09-07 | 1990-12-05 | 上海石油化工总厂环境保护研究所 | Cage composite filler |
| CN201981059U (en) * | 2010-12-17 | 2011-09-21 | 天津大学 | Hollow spherical porous packing for artificial wetland |
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2010
- 2010-12-17 CN CN2010105940655A patent/CN102092856B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2066858U (en) * | 1989-09-07 | 1990-12-05 | 上海石油化工总厂环境保护研究所 | Cage composite filler |
| CN201981059U (en) * | 2010-12-17 | 2011-09-21 | 天津大学 | Hollow spherical porous packing for artificial wetland |
Non-Patent Citations (2)
| Title |
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| 《上海环境科学》 20021031 徐丽花等 "不同填料人工湿地处理系统的净化能力研究" 第603-606页 1-4 第21卷, 第10期 2 * |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874930A (en) * | 2012-09-21 | 2013-01-16 | 中国矿业大学 | Dedicated filler for constructed wetland and preparation method for filler |
| CN102874930B (en) * | 2012-09-21 | 2014-09-03 | 中国矿业大学 | Dedicated filler for constructed wetland and preparation method for filler |
| CN102989311A (en) * | 2012-11-16 | 2013-03-27 | 孙绍堂 | Manufacture method of biological deodorizing filling material and biological deodorizing filling material |
| CN102989311B (en) * | 2012-11-16 | 2015-01-21 | 孙绍堂 | Manufacture method of biological deodorizing filling material and biological deodorizing filling material |
| CN104759186A (en) * | 2015-05-04 | 2015-07-08 | 苏州新求是环保科技有限公司 | Activated carbon padding and preparation method thereof |
| CN104860360A (en) * | 2015-05-19 | 2015-08-26 | 东北师范大学 | Device for blocking farmland non-point source pollution in river basin |
| CN106430415A (en) * | 2016-11-29 | 2017-02-22 | 大连凯泓科技有限公司 | Spherical oil-absorption packing |
| WO2019091178A1 (en) * | 2017-11-09 | 2019-05-16 | 山东大学 | Constructed wetland based on biomass circulation, and method for forcedly removing pollutants of constructed wetland |
| CN108314191A (en) * | 2018-01-18 | 2018-07-24 | 同济大学 | A kind of method and its device for villages and small towns sewerage nitrogen and phosphor recycling treatment |
| CN108610014A (en) * | 2018-05-04 | 2018-10-02 | 温州大学 | Phosphorus recycling and biological ceramic particle regeneration method in the preparation method and haydite of eutrophication water efficient dephosphorization recoverable version biological ceramic particle |
| CN108610014B (en) * | 2018-05-04 | 2021-07-20 | 温州大学 | Preparation method of eutrophic water body high-efficiency phosphorus removal recyclable biological ceramsite, phosphorus recovery method in ceramsite and biological ceramsite regeneration method |
| CN111718001A (en) * | 2020-06-05 | 2020-09-29 | 北京森淼天成环保科技有限公司 | Preparation method of dephosphorization filler and application of dephosphorization filler in constructed wetland |
| CN113428972A (en) * | 2021-07-16 | 2021-09-24 | 南京沃谱瑞环境研究院有限公司 | Preparation mold and preparation method of filler special for constructed wetland |
| CN113428972B (en) * | 2021-07-16 | 2022-12-27 | 南京沃谱瑞环境研究院有限公司 | Preparation mold and preparation method of filler special for constructed wetland |
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| CN102092856B (en) | 2012-08-08 |
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Effective date of registration: 20201123 Address after: 226000 room 1101, 11 building, 373 Century Avenue, Chongchuan District, Nantong, Jiangsu. Patentee after: JIANGSU JIANAN ENVIRONMENT TECHNOLOGY Co.,Ltd. Address before: Room 1-2050, Block E, no.6, Huafeng Road, Huaming hi tech Industrial Zone, Dongli District, Tianjin Patentee before: Zhongzhi online Co.,Ltd. Effective date of registration: 20201123 Address after: Room 1-2050, Block E, no.6, Huafeng Road, Huaming hi tech Industrial Zone, Dongli District, Tianjin Patentee after: Zhongzhi online Co.,Ltd. Address before: 300072 Tianjin City, Nankai District Wei Jin Road No. 92, Tianjin University Patentee before: Tianjin University |
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