CN106216389A - A kind of device repairing selenium contamination soil - Google Patents
A kind of device repairing selenium contamination soil Download PDFInfo
- Publication number
- CN106216389A CN106216389A CN201610609318.9A CN201610609318A CN106216389A CN 106216389 A CN106216389 A CN 106216389A CN 201610609318 A CN201610609318 A CN 201610609318A CN 106216389 A CN106216389 A CN 106216389A
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- immobilized microorganism
- layer
- selenium
- ball
- collecting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/10—Reclamation of contaminated soil microbiologically, biologically or by using enzymes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/02—Extraction using liquids, e.g. washing, leaching, flotation
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Mycology (AREA)
- Biotechnology (AREA)
- Health & Medical Sciences (AREA)
- Treatment Of Sludge (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a kind of device repairing selenium contamination soil, well, immobilized microorganism ball, field generator for magnetic, water pump and sparge pipe is processed including collecting-tank, collecting gutter, selenium contamination, collecting-tank connects a plurality of collecting gutter, and selenium contamination processes well and is followed successively by sand stone layer, artificial substratum layer and immobilized microorganism layer from top to bottom；Artificial substratum layer is made up of with limestone quartz sand, throw in immobilized microorganism layer and have immobilized microorganism ball, immobilized microorganism ball is made up with metallic nickel of activated sludge, activated carbon, mainly contain addicted to selenium microorganism in activated sludge, connect in collecting-tank and have outlet pipe, outlet pipe connects selenium contamination and processes the sand stone layer of well, it is provided with drainage screen between artificial substratum layer and immobilized microorganism layer, it is provided with pure water pipe in immobilized microorganism layer, pure water pipe connects water pump, water pump connects has sparge pipe, sparge pipe to be evenly distributed on soil surface.The present invention can not only remove the selenium in soil, and achieves the recycling of water.
Description
Technical field
The present invention relates to soil improvement field, a kind of device repairing selenium contamination soil.
Background technology
Selenium is a kind of nonmetalloid, is the required trace element of humans and animals, and the selenium of trace has anti-cancer and protection liver
Dirty effect.If but the selenium of absorption of human body is excessive, poisoning can be caused, cause gastrointestinal dysfunction.In addition selenium also can be to greatly
Gas and water body, soil cause certain pollution.
The pollution to soil of the selenium element, selenium can be enriched with in soil, and be absorbed by crops.It is more than with selenium content
The water irrigated farmland of 0.05ppm, the selenium content of per kilogram forage crop is up to 4～5 milligrams.American South Dakota and Huai E
Mingzhou is the area of selenium-rich ferrum, the feedstuff per kilogram Se content in some pastures up to 30 milligrams unexpectedly.For the protection to environment, have
A kind of recovery technique for selenium contamination soil of necessary research.
Extreme microorganism refers to be suitable in extreme environment the microorganism kind of life, including Thermophilic Bacteria, halophilic bacteria, basophilic
Bacterium, acidophilic bacteria, barophilic bacteria, psychrophile and radioprotective, resistance to dry, anti-high-concentration metallic ions and the microorganism of extreme anaerobism,
Such as Patent No.: 201510547673.3 have cultivated a kind of addicted to selenium microorganism, are additionally obtained by immobilized microorganism technology domestic
Pay close attention to widely, such as Patent No. outward: 200910056687.X patent specification describes the system of a kind of immobilized microorganism
Preparation Method, immobilized microorganism is mainly characterized by Microorganism incubation and becomes a kind of solid-state, is placed in sewage and has fixing shape, and
Microorganism not loss of activity, has good wastewater treatment efficiency.
Selenium is used for manufacturing seletron in the electronics industry；In glass industry, as stripping agent and coloring agent.At electronics
The soil around such as factory and glass factory, owing to containing a large amount of selenium in the waste gas of the discharge such as Electronics Factory and glass factory, waste gas runs into rain
Water precipitating drops to ground, causes Selenium in Soil seriously polluted.
Summary of the invention
It is an object of the invention to provide a kind of device repairing selenium contamination soil, for repairing the soil that selenium contamination is serious
Earth.
For achieving the above object, the present invention provides following technical scheme: a kind of device repairing selenium contamination soil, including collection
Pond, collecting gutter, selenium contamination process well, immobilized microorganism ball, field generator for magnetic, water pump and sparge pipe, described collecting-tank
Connecting a plurality of collecting gutter, described collecting gutter is built at soil surface, described selenium contamination process well be followed successively by from top to bottom sand stone layer,
Artificial substratum layer and immobilized microorganism layer；
Described artificial substratum layer is made up of with limestone quartz sand, and throwing in described immobilized microorganism layer has the micro-life of immobilization
Thing ball, described immobilized microorganism ball is made up with metallic nickel of activated sludge, mainly contains addicted to selenium micro-in described activated sludge
Biology, activated sludge is sufficiently mixed by chemical agent according to the ratio of 7:2 with metallic nickel, then by activated sludge and metallic nickel
Mixture is made spherical by mould, then air-dries, then will air-dry after spherical mixture be placed among magnetic field, filter out inside
Spherical mixture containing metallic nickel i.e. obtains described immobilized microorganism ball；
Connecting in described collecting-tank and have outlet pipe, described outlet pipe connects selenium contamination and processes the sand stone layer of well, described artificial substratum
Being provided with drainage screen between layer and immobilized microorganism layer, be provided with pure water pipe in described immobilized microorganism layer, described pure water pipe is even
Water pump, described water pump connects has sparge pipe, described sparge pipe to be evenly distributed on soil surface, the bottom of described collecting gutter, collection
The bottom in pond and side, the bottom of selenium contamination process well and side are all equipped with impervious barrier；
Described field generator for magnetic includes that spiral winding, transformator and power supply, described spiral winding are wrapped in immobilized microorganism
The periphery of layer, spiral winding and transformator Electricity Federation, transformator and power supply Electricity Federation, described power supply controls spiral winding by transformator
Current intensity and direction, thus control the size and Orientation in magnetic field, immobilized microorganism layer define a magnetic field, magnetic
Field action, in immobilized microorganism layer, makes immobilized microorganism ball suspend and the most mixed with sewage in immobilized microorganism layer
Close.
Preferably, being provided with mud recovery tube in described immobilized microorganism layer, described mud recovery tube is used for collecting admittedly
Surely change microorganism ball and suspended sludge, then the immobilized microorganism ball of recovery is decomposed and obtain metallic nickel, more outstanding by reclaim
Floating mud and metallic nickel make immobilized microorganism ball, the micro-life of immobilization then periodically will made the most again by chemical reagent
Thing ball puts in immobilized microorganism layer, and described mud recovery tube passes through pump by immobilized microorganism ball sucking-off, it is achieved immobilization
The recycling of microorganism ball.
Preferably, a diameter of 15-18mm of described immobilized microorganism ball.
Compared with prior art, the invention has the beneficial effects as follows: selenium contamination processes well and is followed successively by sand stone layer, people from outside to inside
Work hypothallus and immobilized microorganism layer, described artificial substratum layer is made up of with limestone quartz sand, immobilized microorganism layer
Interior input has immobilized microorganism ball, described immobilized microorganism ball to be made up with metallic nickel of activated sludge, activated sludge with
Metallic nickel is sufficiently mixed by chemical agent according to the ratio of 7:2, then the mixture of activated sludge Yu metallic nickel is passed through mould
Make spherical, then air-dry, the more spherical mixture after air-drying is placed among magnetic field, filters out the internal ball containing metallic nickel
Shape mixture i.e. obtains described immobilized microorganism ball, and metallic nickel has bigger proportion, and therefore immobilized microorganism ball has relatively
Good settling property, and activated sludge has good adsorption treatment ability addicted to selenium microorganism to selenium, and activated sludge is in solid
State can prevent blocking selenium contamination and process well；
Quartz sand has good adsorptivity to selenium, reduces the content of selenium in water, and sewage is again through addicted to selenium microbial treatments；Logical
Cross the water after selenium contamination processes well purification and spray in soil by water pump and sparge pipe, bring the selenium in soil into collection by water
Water channel, the water in braiding channel processes well through selenium contamination again and purifies, and immobilized microorganism ball regularly replaces, and so can not only go
Except the selenium in soil, and achieve the recycling of water.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the top view of the present invention；
Fig. 3 is immobilized microorganism layer and field generator for magnetic structure chart.
In figure: 1, collecting-tank, 2, collecting gutter, 3, impervious barrier, 4, outlet pipe, 5, selenium contamination process well, 6, sand stone layer, 7,
Artificial substratum layer, 8, drainage screen, 9, mud recovery tube, 10, immobilized microorganism layer, 11, spiral winding, 12, transformator, 13,
Power supply, 14, field generator for magnetic, 15, immobilized microorganism ball, 16, pure water pipe, 17, water pump, 18, sparge pipe.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Embodiment, refers to figure, and the present invention provides a kind of technical scheme: a kind of device repairing selenium contamination soil, including
Collecting-tank 1, collecting gutter 2, selenium contamination process well 5, immobilized microorganism ball 15, field generator for magnetic 14, water pump 17 and sparge pipe
18, collecting-tank 1 connects a plurality of collecting gutter 2, and collecting gutter 2 is built at soil surface；
Selenium contamination processes well 5 and is followed successively by sand stone layer 6, artificial substratum layer 7 and immobilized microorganism layer 10, artificial substratum from top to bottom
Layer 7 is made up of with limestone quartz sand, and throwing in immobilized microorganism layer 10 has immobilized microorganism ball 15, the micro-life of immobilization
Thing ball 15 is made up with metallic nickel of activated sludge, activated carbon, mainly contains addicted to selenium microorganism in activated sludge, activated sludge with
Metallic nickel is sufficiently mixed by chemical agent according to the ratio of 7:2, then the mixture of activated sludge Yu metallic nickel is passed through mould
Make spherical, then air-dry, the more spherical mixture after air-drying is placed among magnetic field, filters out the internal ball containing metallic nickel
Shape mixture i.e. obtains immobilized microorganism ball 15；
Connecting the sand stone layer 6 having outlet pipe 4, outlet pipe 4 to connect selenium contamination process well 5 in collecting-tank 1, artificial substratum layer 7 is with solid
Surely changing between microbial layer 10 and be provided with drainage screen 8, be provided with pure water pipe 16 in immobilized microorganism layer 10, pure water pipe 16 connects water pump
17, water pump 17 connects has sparge pipe 18, sparge pipe 18 to be evenly distributed on soil surface, the bottom of collecting gutter 2, the end of collecting-tank 1
Portion and side, the bottom of selenium contamination process well 5 and side are all equipped with impervious barrier 3；
Field generator for magnetic 14 includes spiral winding 11, transformator 12 and power supply 13, and spiral winding 11 is wrapped in the micro-life of immobilization
The periphery of nitride layer 10, spiral winding 11 and transformator 12 Electricity Federation, transformator 12 and power supply 13 Electricity Federation, power supply 13 is by transformator 12
Control current intensity and the direction of spiral winding 11, thus control the size and Orientation in magnetic field, in immobilized microorganism layer 10
Defining a magnetic field, the action of a magnetic field, in immobilized microorganism layer 10, makes immobilized microorganism ball 15 suspend and and immobilization
In microbial layer 10, sewage is sufficiently mixed.
Being provided with mud recovery tube 9 in immobilized microorganism layer 10, mud recovery tube 9 is used for collecting immobilized microorganism ball
15 and suspended sludge, then the immobilized microorganism ball 15 of recovery is decomposed and obtains metallic nickel, then by the suspended sludge reclaimed and
Metallic nickel makes immobilized microorganism ball 15, the immobilized microorganism ball 15 then periodically will made the most again by chemical reagent
Putting in immobilized microorganism layer 10, mud recovery tube 9 passes through pump by immobilized microorganism ball 15 sucking-off, it is achieved the micro-life of immobilization
The recycling of thing ball 15.
Soil around selenium smeltery and selenium preparation factory etc., due in the waste gas of the discharge such as selenium smeltery and selenium preparation factory
Containing a large amount of selenium, the selenium in waste gas runs into rainwater and is deposited to ground, and ground is provided with a plurality of collecting gutter 2, the current direction collection of collecting gutter 2
Pond 2, collecting-tank 2, by wastewater collection, then drains into selenium contamination and processes well 5.Process the water after well 5 purifies by selenium contamination to pass through
Water pump 12 and sparge pipe 13 spray in soil, and the selenium in soil is brought into collecting-tank 1, and the water in collecting-tank 1 is dirty through selenium
When dye processes well 5, the quartz in artificial substratum layer 7 has good adsorption to selenium, and removes further addicted to selenium microorganism
Selenium in water, so can not only remove the selenium in soil, and achieve the recycling of water.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
In addition equivalent or change are conceived in improvement, all should contain within the scope of the present invention.
Claims (3)
1. repair a device for selenium contamination soil, it is characterized in that: include that collecting-tank, collecting gutter, selenium contamination process well, immobilization
Microorganism ball, field generator for magnetic, water pump and sparge pipe, described collecting-tank connects a plurality of collecting gutter, and described collecting gutter is built
Soil surface, described selenium contamination processes well and is followed successively by sand stone layer, artificial substratum layer and immobilized microorganism layer from top to bottom；
Described artificial substratum layer is made up of with limestone quartz sand, and throwing in described immobilized microorganism layer has the micro-life of immobilization
Thing ball, described immobilized microorganism ball is made up with metallic nickel of activated sludge, mainly contains addicted to selenium micro-in described activated sludge
Biology, activated sludge is sufficiently mixed by chemical agent according to the ratio of 7:2 with metallic nickel, then by activated sludge and metallic nickel
Mixture is made spherical by mould, then air-dries, then will air-dry after spherical mixture be placed among magnetic field, filter out inside
Spherical mixture containing metallic nickel i.e. obtains described immobilized microorganism ball；
Connecting in described collecting-tank and have outlet pipe, described outlet pipe connects selenium contamination and processes the sand stone layer of well, described artificial substratum
Being provided with drainage screen between layer and immobilized microorganism layer, be provided with pure water pipe in described immobilized microorganism layer, described pure water pipe is even
Water pump, described water pump connects has sparge pipe, described sparge pipe to be evenly distributed on soil surface, the bottom of described collecting gutter, collection
The bottom in pond and side, the bottom of selenium contamination process well and side are all equipped with impervious barrier；
Described field generator for magnetic includes that spiral winding, transformator and power supply, described spiral winding are wrapped in immobilized microorganism
The periphery of layer, spiral winding and transformator Electricity Federation, transformator and power supply Electricity Federation, described power supply controls spiral winding by transformator
Current intensity and direction, thus control the size and Orientation in magnetic field, immobilized microorganism layer define a magnetic field, magnetic
Field action, in immobilized microorganism layer, makes immobilized microorganism ball suspend and the most mixed with sewage in immobilized microorganism layer
Close.
A kind of device repairing selenium contamination soil the most according to claim 1, is characterized in that: described immobilized microorganism layer
Inside being provided with mud recovery tube, described mud recovery tube is used for collecting immobilized microorganism ball and suspended sludge, then will reclaim
Immobilized microorganism ball decompose and obtain metallic nickel, then suspended sludge and the metallic nickel of recovery are made the most again by chemical reagent
Become immobilized microorganism ball, then periodically the immobilized microorganism ball made is put in immobilized microorganism layer, described mud
Recovery tube passes through pump by immobilized microorganism ball sucking-off, it is achieved the recycling of immobilized microorganism ball.
A kind of device repairing selenium contamination soil the most according to claim 1, is characterized in that: described immobilized microorganism ball
A diameter of 15-18mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610609318.9A CN106216389A (en) | 2016-07-29 | 2016-07-29 | A kind of device repairing selenium contamination soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610609318.9A CN106216389A (en) | 2016-07-29 | 2016-07-29 | A kind of device repairing selenium contamination soil |
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| Publication Number | Publication Date |
|---|---|
| CN106216389A true CN106216389A (en) | 2016-12-14 |
Family
ID=57535311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610609318.9A Withdrawn CN106216389A (en) | 2016-07-29 | 2016-07-29 | A kind of device repairing selenium contamination soil |
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| CN (1) | CN106216389A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114506888A (en) * | 2022-02-18 | 2022-05-17 | 河南城建学院 | Unpowered sewage adjusting tank |
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|---|---|---|---|---|
| CN102225806A (en) * | 2011-05-24 | 2011-10-26 | 合肥工业大学 | Magnetic biological carrier and preparation method thereof |
| CN103008334A (en) * | 2012-11-26 | 2013-04-03 | 中国地质大学（武汉） | In-situ rainwater leaching repair system for contaminated soil |
| CN104098231A (en) * | 2014-08-01 | 2014-10-15 | 谢众 | Immobilized microorganism constructed wetland system |
| CN104098232A (en) * | 2014-08-01 | 2014-10-15 | 谢众 | Assembled aerobiotic and anaerobic artificial wetland system |
| CN105130087A (en) * | 2015-09-28 | 2015-12-09 | 上海一途膜分离技术有限公司 | Nano quantum dot adsorption and film separating system for removing heavy metal in water |
| CN105753171A (en) * | 2016-02-29 | 2016-07-13 | 洪寅 | Method for treating heavy metal wastewater |
-
2016
- 2016-07-29 CN CN201610609318.9A patent/CN106216389A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102225806A (en) * | 2011-05-24 | 2011-10-26 | 合肥工业大学 | Magnetic biological carrier and preparation method thereof |
| CN103008334A (en) * | 2012-11-26 | 2013-04-03 | 中国地质大学（武汉） | In-situ rainwater leaching repair system for contaminated soil |
| CN104098231A (en) * | 2014-08-01 | 2014-10-15 | 谢众 | Immobilized microorganism constructed wetland system |
| CN104098232A (en) * | 2014-08-01 | 2014-10-15 | 谢众 | Assembled aerobiotic and anaerobic artificial wetland system |
| CN105130087A (en) * | 2015-09-28 | 2015-12-09 | 上海一途膜分离技术有限公司 | Nano quantum dot adsorption and film separating system for removing heavy metal in water |
| CN105753171A (en) * | 2016-02-29 | 2016-07-13 | 洪寅 | Method for treating heavy metal wastewater |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114506888A (en) * | 2022-02-18 | 2022-05-17 | 河南城建学院 | Unpowered sewage adjusting tank |
| CN114506888B (en) * | 2022-02-18 | 2023-01-24 | 河南城建学院 | Unpowered sewage adjusting tank |
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Application publication date: 20161214 |
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