CN106068732A - A kind of contaminated land and alkaline land improving system and modification method - Google Patents
A kind of contaminated land and alkaline land improving system and modification method Download PDFInfo
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- CN106068732A CN106068732A CN201610496063.XA CN201610496063A CN106068732A CN 106068732 A CN106068732 A CN 106068732A CN 201610496063 A CN201610496063 A CN 201610496063A CN 106068732 A CN106068732 A CN 106068732A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B77/00—Machines for lifting and treating soil
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A kind of contaminated land and alkaline land improving system, including the drainage blanket being sequentially connected, collecting-tank, raw water box, coarse filter, ultrafiltration system, reverse osmosis water treatment system and product water tank, described collecting-tank is connected with raw water box by filter, described raw water box is connected with coarse filter by former water force (forcing) pump, reverse osmosis high-pressure pump it is provided with between described ultrafiltration system and reverse osmosis water treatment system, it is provided with intermediate water tank between described ultrafiltration system and reverse osmosis high-pressure pump, described reverse osmosis water treatment system is provided with reverse osmosis medicine system.Present invention simultaneously provides a kind of method using described contaminated land and alkaline land improving system, embrane method is utilized to carry out the desalination of bitter Asia, substitute traditional electroosmose process and the way of distillation, there is the plurality of advantages such as equipment is simple, it is less to take up room, it is low to invest, it is simple to safeguard, automaticity height, energy consumption reduces, operating cost is low, effluent quality is good.
Description
Technical field
The present invention relates to contaminated land and Saline-alkali Field Control technical field, be specifically related to a kind of contaminated land and change with salt-soda soil
Good system and modification method.
Background technology
Soil pollution refers to that harmful, the noxious substance that produce due to mankind's activity enter soil, runs up to a certain degree, exceed
The self-purification capacity of soil itself, causes soil property and mass change, constitutes showing crops and the impact of human body and harm
As.Salt-soda soil is a kind of salt aggregation, refers to that salinity contained inside soil has influence on the normal growth of crop, according to
UNESCO and food and agricultural organization's incomplete statistics, the area in salt-soda soil, the whole world is 9.5438 hundred million hectares, Qi Zhongwo
State is 99,130,000 hectares.China's alkaline earth and the formation of alkali-affected soil, major part is accumulative relevant with Carbonates In Soil, thus alkali
Change degree is the highest, and serious salt affected soil regional plant is little to existence.China or even the world have attempted to pollution
Soil and salt-soda soil are administered.Therefore, preferably pollution administration soil and salt-soda soil are still a problem demanding prompt solution.
Summary of the invention
The invention provides a kind of contaminated land and alkaline land improving system and modification method, can not only effectively remove soil
Heavy metal in earth and inorganic, organic pollution, and can reduce the salinity in soil, reach to improve contaminated land and saline and alkaline
The purpose on ground.
A kind of contaminated land and alkaline land improving system, including the drainage blanket 1 being sequentially connected, collecting-tank 2, raw water box 3, thick
Filter 4, ultrafiltration system 5, reverse osmosis water treatment system 6 and product water tank 7, described collecting-tank 2 is by filter 8 and raw water box 3
Being connected, described raw water box 3 is connected with coarse filter 4 by former water force (forcing) pump 9, described ultrafiltration system 5 and anti-penetration wastewater disposal system
It is provided with reverse osmosis high-pressure pump 10 between system 6, between described ultrafiltration system 5 and reverse osmosis high-pressure pump 10, is provided with intermediate water tank 11, institute
State and reverse osmosis water treatment system 6 is provided with reverse osmosis medicine system 12.
Present invention simultaneously provides a kind of method using described contaminated land and alkaline land improving system, concrete steps are such as
Under:
A: ditch at contaminated land to be improved or soil layer underground, salt-soda soil, bury hidden pipe underground, form closed drainage layer；
B: a plurality of hidden pipe is all connected to collecting-tank in one end that physical features is relatively low；
C: collecting-tank is connected to raw water box, and collecting-tank is provided with filter with the junction of raw water box；
D: raw water box is connected with coarse filter, raw water box is provided with former water force (forcing) pump with the junction of coarse filter；
E: coarse filter is connected with ultrafiltration system；
F: ultrafiltration system is connected with reverse osmosis water treatment system again, the water that reverse osmosis water treatment system processes enters and produces water tank.
Further, in described step A, at contaminated land to be improved or the hidden pipe of salt-soda soil soil layer embedded underground, one
Hold high one end low, regular arrangement.
Further, in described step B, a plurality of hidden pipe comes together in collecting-tank in one end that physical features is relatively low, in collecting-tank
Water uses as the former water of subsequent treatment.
Further, in described step C, collecting-tank can be drainage screen with the filter of the junction installation of raw water box.
Further, in described step D, the coarse filter of use can be quartz filter, cartridge filter, disc type
At least one in a series of filter of filter.
Further, in described step E, described ultrafiltration system can be the ultrafiltration system of inoranic membrane composition, Ke Yishi
The ultrafiltration system of organic membrane composition, can be the ultrafiltration system collectively constituted by inoranic membrane and organic membrane, and ultrafiltration system self carries
Having backwashing system, wherein organic high molecular layer membrane material can be that polysulfones, polyether sulfone, polyacrylonitrile, Kynoar are a series of
At least one in membrane material.
Further, in described step F, ultrafiltration system and reverse osmosis water treatment system junction are provided with reverse osmosis high-pressure
Pump, is provided with intermediate water tank between ultrafiltration system and reverse osmosis high-pressure pump, is provided with reverse osmosis dosing in reverse osmosis water treatment system
System.
Further, described improved system is set to Automatic Control, to realize producing operatorless target.
Further, described raw water box, intermediate water tank, medicine system, product water tank are equipped with liquid level sensor, overall process
Use Automatic Control, to realize producing operatorless target.
The contaminated land of the present invention and alkaline land improving system and modification method, carry out fresh water to contaminated land and salt-soda soil
Irrigate or drip irrigation.After fresh water entrance contaminated land and salt-soda soil, the salinity in soil, heavy metal, inorganic organic pollution are along with water
Enter hidden pipe, enter in collecting-tank in one end that physical features is relatively low, be then passed through big of the sand grains that filter filters out in water etc.
Raw water box is entered after grain impurity.The water of raw water box enters disc filter through former water force (forcing) pump, and disc filter filters former water
In bring fine particle, float, the impurity such as colloid, and disc filter self has self-stripping unit.From disc type mistake
Filter water out enters ultrafiltration system through cartridge filter, float that ultrafiltration system is mainly used in removing in water, colloid, thin
Bacterium, inorganic organic pollution etc., ultrafiltration system uses PLC program auto-controll operation.Ultrafiltration system water out is through reverse osmosis
High-pressure pump enters reverse osmosis water treatment system, and reverse osmosis water treatment system utilizes reverse osmosis membrane to the most salt removing in water
Point, heavy metal, inorganic organic pollution etc., reverse osmosis water treatment system use Automatic Control run.Anti-penetration wastewater disposal system
System water out enters and produces water tank, produces the water of water tank and is used for irrigating or drip irrigation contaminated land and salt-soda soil, it is achieved that recycling economy,
Refuse reclamation, has stopped secondary pollution.
After have employed technique scheme, the invention has the beneficial effects as follows:
The contaminated land of the present invention and alkaline land improving system and modification method utilize embrane method to carry out the desalination of bitter Asia, substitute and pass
The electroosmose process of system and the way of distillation, have that equipment is simple, it is less to take up room, it is low to invest, it is simple to safeguard, automaticity is high,
The plurality of advantages such as energy consumption reduces, operating cost is low, effluent quality is good.
Accompanying drawing explanation
Fig. 1 is the flow chart of improved system of the present invention.
In figure: 1, drainage blanket；2, collecting-tank；3, raw water box；4, coarse filter；5, ultrafiltration system；6, anti-penetration wastewater disposal
System；7, water tank is produced；8, filter；9, former water force (forcing) pump；10, reverse osmosis high-pressure pump；11, intermediate water tank；12, reverse osmosis dosing
System.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment to the present invention
Describe in detail further.Should be appreciated that specific embodiment described herein, and need not only in order to explain the present invention
In limiting the present invention.
Embodiment one
Ditch at contaminated land to be improved or soil layer underground, salt-soda soil, bury hidden pipe underground, form closed drainage layer；A plurality of hidden pipe is pressed
The mode that higher end is low, regular arranged distribution, and it is all connected to collecting-tank in one end that physical features is relatively low；Collecting-tank
Being connected with raw water box, collecting-tank is provided with drainage screen with the junction of raw water box.
The water source of raw water box is mainly through polluted source or the saline-alkali water of hidden pipe recovery, and not enough water source is by underground well water
There is provided, when running into drought, use reservoir water as water source.The water abundance of raw water box, fully ensures follow-up water.
Water in raw water box enters disc filter through former water force (forcing) pump, and disc filter has self-stripping unit, disc type
Water after filter filters enters cartridge filter.Water through cartridge filter enters by polysulfones and Kynoar pillar
The ultrafiltration system of hollow fiber membrane module composition, ultrafiltration system is with backwashing system.Water source after ultrafiltration system process is through reverse osmosis
High-pressure pump enters reverse osmosis water treatment system, and the water that reverse osmosis water treatment system processes enters and produces water tank, the water of described product water tank
It is used for irrigating contaminated land and salt-soda soil；When irrigating or during rainfall with the water producing water tank, salt ion in soil, heavy metal,
Inorganic organic pollution enters hidden pipe along with water, processes through membrane filtration, bitter is carried out Asia desalination and returns again to pending dirt
Dye soil and salt-soda soil carry out spraying or drip irrigation, reuse after the bitter Asia desalination that will intend draining, it is to avoid from eservoir diversion
Large-engineering or tap water irrigate high cost, it is achieved that recycling economy, twice laid, stopped secondary pollution.Described improvement
In system, raw water box, intermediate water tank, medicine system, product water tank are equipped with liquid level sensor, and overall process uses Automatic Control, with
Realize producing operatorless target.
Claims (10)
1. contaminated land and an alkaline land improving system, including the drainage blanket (1) being sequentially connected, collecting-tank (2), raw water box
(3), coarse filter (4), ultrafiltration system (5), reverse osmosis water treatment system (6) and product water tank (7), it is characterised in that: described collection
Pond (2) is connected with raw water box (3) by filter (8), and described raw water box (3) passes through former water force (forcing) pump (9) and coarse filter
(4) it is connected, between described ultrafiltration system (5) and reverse osmosis water treatment system (6), is provided with reverse osmosis high-pressure pump (10), described ultrafiltration
It is provided with intermediate water tank (11) between system (5) and reverse osmosis high-pressure pump (10), described reverse osmosis water treatment system (6) is provided with anti-
Infiltration medicine system (12).
2. use a kind of contaminated land and the saline and alkali land improvement method of improved system described in claim 1, it is characterised in that bag
Include following steps:
A: ditch at contaminated land to be improved or soil layer underground, salt-soda soil, bury hidden pipe underground, form closed drainage layer；
B: a plurality of hidden pipe is all connected to collecting-tank in one end that physical features is relatively low；
C: collecting-tank is connected to raw water box, and collecting-tank is provided with filter with the junction of raw water box；
D: raw water box is connected with coarse filter, raw water box is provided with former water force (forcing) pump with the junction of coarse filter；
E: coarse filter is connected with ultrafiltration system；
F: ultrafiltration system is connected with reverse osmosis water treatment system again, the water that reverse osmosis water treatment system processes enters and produces water tank.
A kind of contaminated land the most according to claim 2 and saline and alkali land improvement method, it is characterised in that in step,
Contaminated land to be improved or the hidden pipe of salt-soda soil soil layer embedded underground, higher end is low, regular arrangement.
A kind of contaminated land the most according to claim 2 and saline and alkali land improvement method, it is characterised in that in stepb, many
Bar hidden pipe comes together in collecting-tank in one end that physical features is relatively low, and the water in collecting-tank uses as the former water of subsequent treatment.
A kind of contaminated land the most according to claim 2 and saline and alkali land improvement method, it is characterised in that in step C, collection
Pond can be drainage screen with the filter of the junction installation of raw water box.
A kind of contaminated land the most according to claim 2 and saline and alkali land improvement method, it is characterised in that in step D, make
Coarse filter can be at least one in quartz filter, cartridge filter, a series of filter of disc filter.
A kind of contaminated land the most according to claim 2 and saline and alkali land improvement method, it is characterised in that in step E, institute
The ultrafiltration system stated can be the ultrafiltration system of inoranic membrane composition, can be the ultrafiltration system of organic membrane composition, can be by nothing
The ultrafiltration system that machine film and organic membrane collectively constitute, ultrafiltration system self with backwashing system, wherein organic high molecular layer film material
Material can be at least one in polysulfones, polyether sulfone, polyacrylonitrile, a series of membrane material of Kynoar.
A kind of contaminated land the most according to claim 2 and saline and alkali land improvement method, it is characterised in that in step F, super
Filter system and reverse osmosis water treatment system junction are provided with reverse osmosis high-pressure pump, set between ultrafiltration system and reverse osmosis high-pressure pump
There is intermediate water tank, reverse osmosis water treatment system is provided with reverse osmosis medicine system.
A kind of contaminated land the most according to claim 2 and saline and alkali land improvement method, it is characterised in that described Improved lines
System is set to Automatic Control, to realize producing operatorless target.
A kind of contaminated land the most according to claim 2 and saline and alkali land improvement method, it is characterised in that overall process uses
Automatic Control, to realize producing operatorless target.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610496063.XA CN106068732A (en) | 2016-06-30 | 2016-06-30 | A kind of contaminated land and alkaline land improving system and modification method |
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| CN201610496063.XA CN106068732A (en) | 2016-06-30 | 2016-06-30 | A kind of contaminated land and alkaline land improving system and modification method |
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| CN106068732A true CN106068732A (en) | 2016-11-09 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107010799A (en) * | 2017-06-15 | 2017-08-04 | 中国农业科学院农田灌溉研究所 | It is a kind of that the soil improvement system used in salt leaching is filled in Winter-Spring |
| CN107950109A (en) * | 2017-12-06 | 2018-04-24 | 河海大学 | A kind of method that electric osmose joint closed drainage carries out beach saline land quick desalination |
| CN108337947A (en) * | 2017-01-21 | 2018-07-31 | 深圳市拓日新能源科技股份有限公司 | Saline and alkali land improvement method |
| CN109721180A (en) * | 2019-01-28 | 2019-05-07 | 国家海洋局天津海水淡化与综合利用研究所 | Alkaline land improving elutes method for treating water and mobile elution water treatment facilities |
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| CN204162531U (en) * | 2014-09-28 | 2015-02-18 | 青岛中亚环保工程有限公司 | A kind of alkaline land improvement system |
| CN204670029U (en) * | 2015-05-30 | 2015-09-30 | 潍坊友容实业有限公司 | A kind of saline land irrigation rig |
| CN105036410A (en) * | 2015-07-14 | 2015-11-11 | 亿利资源集团有限公司 | Method for treating saline-alkaline land washing water |
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| CN201873590U (en) * | 2010-12-05 | 2011-06-22 | 长春高科能源环境工程有限公司 | Salt washing water recycling equipment |
| WO2014085553A1 (en) * | 2012-11-30 | 2014-06-05 | Tangent Company Llc | Method and apparatus for residential water recycling |
| CN204157245U (en) * | 2014-08-25 | 2015-02-18 | 扬州大学 | The level of improvement farmland, Coastal beach reclamation area interlayer soil and vertical cartel underground drainage device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108337947A (en) * | 2017-01-21 | 2018-07-31 | 深圳市拓日新能源科技股份有限公司 | Saline and alkali land improvement method |
| CN107010799A (en) * | 2017-06-15 | 2017-08-04 | 中国农业科学院农田灌溉研究所 | It is a kind of that the soil improvement system used in salt leaching is filled in Winter-Spring |
| CN107950109A (en) * | 2017-12-06 | 2018-04-24 | 河海大学 | A kind of method that electric osmose joint closed drainage carries out beach saline land quick desalination |
| CN109721180A (en) * | 2019-01-28 | 2019-05-07 | 国家海洋局天津海水淡化与综合利用研究所 | Alkaline land improving elutes method for treating water and mobile elution water treatment facilities |
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Application publication date: 20161109 |
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