CN105116123B - Device for analyzing and testing pollutant migration and transformation of filtration system - Google Patents

Device for analyzing and testing pollutant migration and transformation of filtration system Download PDF

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Publication number
CN105116123B
CN105116123B CN201510490509.3A CN201510490509A CN105116123B CN 105116123 B CN105116123 B CN 105116123B CN 201510490509 A CN201510490509 A CN 201510490509A CN 105116123 B CN105116123 B CN 105116123B
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Prior art keywords
box
water
pipe
casing
filtration
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CN201510490509.3A
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CN105116123A (en
Inventor
王鑫
马吉福
余艳艳
王士满
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Longshan environmental protection Limited by Share Ltd
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Shenyang University
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment

Abstract

The invention discloses a device for analyzing and testing pollutant migration and transformation of a filtration system, and relates to a device for filtering and purifying sewage by means of matrixes. The device comprises a box, a base, samplers, a water distribution pipe, water collection pipes, a water dispersion pipe, impermeable water vessels, a ceramic permeable connector and a control valve; the upper end of the box is provided with an opening, the lower end of the box is closed and located on the base, the box is divided into an upper box body, a middle box body and a lower box body, and the middles of the upper box body, the middle box body and the lower box body are fixedly connected through flanges; the three side faces of the box are provided with multiple reserved openings, and the reserved openings are closed by rubber plugs or provided with sensors and the samplers; the water distribution pipe is arranged in the box and vertically connected to the middle of the water dispersion pipe, the pipe wall of the water dispersion pipe is evenly provided with multiple fine holes, and the impermeable water vessels are arranged below the water dispersion pipe and laid on the matrixes filled in the box. According to the device, the pollutant migration and transformation process can be analyzed by continuously monitoring the soil water potential and water content in the filtration system.

Description

A kind of device for analyzing the contaminant transportation conversion of test filtration system
Technical field
The present invention relates to a kind of device of utilization substrate diafiltration clean sewage, more particularly to a kind of to ooze for analyzing test The device of filter systemic contamination thing Transport And Transformation.
Background technology
Sewerage soil filtration handling process be based on ecological principle, integrated anaerobism, aerobic treatment process and form one kind Small-scale waste water soil treatment technology.Its ultimate principle is:Sewage in preprocessing process Jing precipitation, hydrolysis etc. process after, cloth Enter the sewage in water spraying pipe, flowing out in water spraying pipe to be equably percolated to aerobic filtering layer, combine in soil water suction and gravity afterwards Diffusion motion is done under effect.Pollutant are under the comprehensive function of soil-microorganism-botanical system, heavy by materialization absorption, chemistry The effect such as shallow lake, microbial degradation is removed, and sewage is effectively addressed, and the clear water after process is collected by collector pipe.
Traditional empirical analysis, water movement in filtration system are characterized in that sewage Jing after water distribution first mainly under gravity Seepage flow, accumulates when reaching waterproof ware, then diffuses up under substrate water suction downwards, declines after reaching maximum potential To continuous filter bottom, three-dimensional hydraulics motor process is presented.In the process, moisture is used as carrier, with the motion of moisture, It is dissolved in the pollutant such as Organic substance therein, nitrogen and phosphorus and Transport And Transformation also occurs.Contaminant transportation conversion process is studied at present Laboratory soil column leaching is confined to experimental provision more.Earth pillar device is substantially by thin and tall round casing, water distributor, receipts water pipe structure Less than normal into, its shape and specification, ratio of height to diameter is bigger than normal, is not enough to analyze true environment inside filtration system, exists largely Wall effect, affects the analysis of filtration system water stream characteristics.
The content of the invention
It is an object of the invention to provide a kind of device for analyzing the contaminant transportation conversion of test filtration system.The device Can be by soil water potential and water content in continuous monitoring filtration system, analysis system moisture movement process, by further sampling Test system Organic substance, nitrogen or phosphorus composition and concentration, can analyze contaminant transportation conversion process, while the device effectively can be kept away Exempt from wall effect.
The present invention is achieved through the following technical solutions:
Device of the present invention is a casing, and the casing upper end open, lower end closed be seated on base, and casing is divided into Upper box, middle casing, three parts of lower box, are connected by flange in the middle of each several part.It is provided with three sides of casing Some reserved opening, reserved opening are closed with plug at ordinary times, to install sensor and sampler during work.Box house is provided with one Water distributor, the water distributor are made up of water inlet pipe and I shape water spraying pipe, and water inlet pipe is vertically connected on water spraying pipe centre position, aproll Several pores are uniformly distributed on the tube wall of pipe, water spraying pipe distance below is provided with waterproof ware, and waterproof ware is laid on casing In the substrate of interior filling;Lower box is provided with receipts water pipe near bottom side.Install for test device base in reserved opening during work The isoparametric sensor of matter soil water potential, water content and temperature, after water distributor water distribution, sensor real-time continuous monitor phase to sewage Hypothalluses soil water potential, water content and temperature change are answered, while Medium Culture pollutant component and concentration are analyzed by sampler samples, Realize contaminant transportation conversion test and analysis.
The invention has the beneficial effects as follows:
1. percolating device is designed to casing, in upper box topsoil plant shrub or herbaceous plant, to simulate diafiltration System naturalness, reduces impact of the wall effect to water stream characteristics;
2. two sides of casing punching, by installing different sensors, is easy to while to monitor same point position matrix Matter, and each equipment do not intersect, has spacing, reduces monitoring device interactive interference;
3. some reserved opening are provided with another side of casing, the existing forms of pollutant in sample analysis matrix solution And content, to realize contaminant transportation transformation assay.
Description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the section of structure of the present invention;
Structural representations of the Fig. 3 for water distribution system;
Structural representations of the Fig. 4 for collector pipe;
Fig. 5 is the structural representation of waterproof ware;
Structural representations of the Fig. 6 for sampler.
Part numbers in accompanying drawing are:1 is upper box;2 is middle casing;3 is lower box;4 is flange;5 is base;6 are Reserved opening;7 is sampler;8 is water distributor;9 is outlet;10 are receipts water pipe;11 is water spraying pipe;12 is waterproof ware;13 are Ceramic weeping head;14 is hard plastic tube;15 is hard plastic outlet pipe;16 is control valve;17 is hard plastic exhaust tube;18 is rubber closure.
Specific embodiment
The present invention is described in further detail with reference to embodiment.
Embodiment
See Fig. 1 to Fig. 6, a kind of device of test filtration system contaminant transportation conversion, by upper box 1(Length point Wei not 100cm × 60cm × 70cm), middle casing 2(Length is respectively 100cm × 60cm × 60cm)With lower box 3(Long, It is wide, high to be respectively 100cm × 60cm × 70cm)One big casing of composition.3 bottom lock of lower box, lower end is seated in base 5 On, 2 lower end of middle casing is connected with 3 upper end of lower box by flange 4, and 1 lower end of upper box is connected with 2 upper end of middle casing by flange 4 Connect.3 side of lower box is provided with outlet 9 near bottom, installs and receive water pipe 10 inside lower box 3 at outlet 9, and interface is used anti- Watertight sealing is sealed, and 10 bottom of receipts water pipe is uniformly distributed several pores.Big three sides of casing centre position is vertically provided with 5 Individual reserved opening 6, every layer of 6 horizontal level of reserved opening are consistent, vertically apart from 1 top of upper box be followed successively by 40cm, 55cm, 80cm, 110cm and 160cm, internal diameter are 4cm.
When subsurface wastewater infiltration system nitrogen, the material transport such as phosphorus, conversion is tested, the present embodiment in a manner described by upper box 1, Middle casing 2 and the assembling of lower box 3 carry out substrate filling after finishing.First in the thick tiny gravels of bottom paving 5cm(Particle diameter 10-30mm), 10cm thickness sands are spread after pre-buried complete collector pipe 10(Particle diameter 0.35-0.5mm), meadow burozem is refilled, to apart from 1 top of upper box Corresponding position(It is followed successively by 40cm, 55cm, 80cm, 110cm and 160cm), pre-buried sampler 7.Reserve big one side of casing Mouthfuls 6 install samplers 7, two other side reserved opening 6 not install sensor when close.Sampler 7 include Ceramic weeping head 13, Hard plastic tube 14, hard plastic outlet pipe 15, control valve 16, hard plastic exhaust tube 17 and rubber closure 18, the opening of Ceramic weeping head 13 It is connected with one end of hard plastic tube 14 by glue, hard plastic outlet pipe 15, port is installed on the downside of the other end of hard plastic tube 14 and is equipped with Rubber closure 18, one end of hard plastic exhaust tube 17 are extend in hard plastic tube 14 through rubber closure 18, and hard plastic outlet pipe 15 and hard plastic are taken out Trachea 17 is provided with control valve 16.
Meadow burozem fill to apart from 1 top 80cm positions of upper box when, waterproof ware 12 is laid on meadow burozem, Fine sand is filled inside waterproof ware 12, meadow burozem 10cm is laid above fine sand, then pre-buried water distribution system, wherein water distributor 8 Vertically lay, water spraying pipe 11(Bottom is uniformly distributed several pores)Perpendicular to big casing front, directly over waterproof ware 12; Tiny gravel is filled around water spraying pipe 11(Particle diameter 10-30mm), aproll hole plug is prevented, meadow burozem is filled up into case finally Body.
After substrate filling is finished, in 1 surface grafting Festuca Arundinacea of upper box, Korea lawn grass, Herba Trifolii Pratentis, Dianthus chinensis etc., ooze underground Filter experimentation is carried out in the state of near-nature forest, vertically the reserved opening 6 of distribution, can be used to study pollutant moving in system Move, convert, while being equipped with sensor, the impact of medium property, microbial activity and distribution to migration, conversion can be studied and closed System.The plant culturing regular hour, after slow seedling in water distributor 8 water distribution, by peristaltic pump control sewage hydraulic load, make into Water flow velocity reaches experimental design requirement.Waterproof ware 12 below water spraying pipe 11 accepts sewage, and sewage passes through capillarity upwards Climb, due to action of gravity, decline after reaching highest soil water potential, diffuse to whole water distribution layer.Then, in the sample time of regulation It is interior, using sampling gun by reserved opening 6 evacuation of the sampler 7 at different soil, make soil layer nearby form certain low pressure, The number of times of pumping needs to be consistent simultaneously, ensures each sample point as far as possible at the same pressure, in Ceramic weeping head 13 Low pressure causes the liquid in soil layer around to enter inside Ceramic weeping head 13, then opens control valve 16, by hard plastic intake pipe 15 samplings.After sampling is finished, each control valve 16 is closed.Within the time of regulation, after outlet 9 gathers final process Water outlet.By the composition and concentration of pollutant in test in laboratory analysis water-like, the Transport And Transformation mistake of pollutant is further analyzed Journey.

Claims (1)

1. it is a kind of that the device that filtration system contaminant transportation is converted is tested for analysis, it is characterised in that described device includes case Body, base, sampler, water distributor, receive water pipe, water spraying pipe, waterproof ware, for Ceramic weeping head, control valve;On the casing End opening, lower end closed are seated on base, and casing is divided into upper box, middle casing, three parts of lower box, are led in the middle of each several part Cross flange to be connected;Three sides of casing are provided with some reserved opening, reserved opening plug closing, or install sensor and adopt Sample device;The lower box is provided with receipts water pipe near bottom side;Box house is provided with water distributor, and the water distributor is by water inlet pipe and work Font water spraying pipe is constituted, and water inlet pipe is vertically connected on water spraying pipe centre position, several pores are uniformly distributed on the tube wall of water spraying pipe, Waterproof ware is provided with below water spraying pipe, waterproof ware is laid in casing in the substrate of filling.
CN201510490509.3A 2015-08-12 2015-08-12 Device for analyzing and testing pollutant migration and transformation of filtration system Active CN105116123B (en)

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Publication number Priority date Publication date Assignee Title
CN105716908A (en) * 2016-04-12 2016-06-29 苏州百硕自动化环保设备有限公司 Sewage sampling device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101131383A (en) * 2006-08-25 2008-02-27 中国科学院沈阳应用生态研究所 Method and apparatus for analyzing pollutant movement in different media
CN101159102A (en) * 2007-11-06 2008-04-09 浙江大学 Sectional type consumer waste ecological burying simulating device
CN101738358A (en) * 2009-12-17 2010-06-16 宁夏农林科学院 Earth-pillar percolation simulating device
CN101769845A (en) * 2010-01-19 2010-07-07 浙江大学 Device for researching leaching migration of exogenous additional substance in soil in process of crop growth
CN102062773A (en) * 2010-11-05 2011-05-18 中国科学院新疆生态与地理研究所 Method for simulating soil solute transport in laboratory
CN102531173A (en) * 2012-03-02 2012-07-04 浙江大学 Composite medium biological filter sewage treatment method and matched device
CN103207212A (en) * 2013-03-14 2013-07-17 东南大学 Device and method for simulation of pollutant vertical isolation barrier

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101131383A (en) * 2006-08-25 2008-02-27 中国科学院沈阳应用生态研究所 Method and apparatus for analyzing pollutant movement in different media
CN101159102A (en) * 2007-11-06 2008-04-09 浙江大学 Sectional type consumer waste ecological burying simulating device
CN101738358A (en) * 2009-12-17 2010-06-16 宁夏农林科学院 Earth-pillar percolation simulating device
CN101769845A (en) * 2010-01-19 2010-07-07 浙江大学 Device for researching leaching migration of exogenous additional substance in soil in process of crop growth
CN102062773A (en) * 2010-11-05 2011-05-18 中国科学院新疆生态与地理研究所 Method for simulating soil solute transport in laboratory
CN102531173A (en) * 2012-03-02 2012-07-04 浙江大学 Composite medium biological filter sewage treatment method and matched device
CN103207212A (en) * 2013-03-14 2013-07-17 东南大学 Device and method for simulation of pollutant vertical isolation barrier

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Address after: 518054 Guangdong Nanshan District Shenzhen Nanshan Street Moon Bay Road No. 2078 building sixteen layer Zhaolong

Patentee after: Longshan environmental protection Limited by Share Ltd

Address before: 110044 Liaoning Province, Shenyang City District wanghuanan Street No. 21

Patentee before: Shenyang Univ.