CN103880186A - Treatment device for recycling mini-invasively excavated multi-medium subsurface infiltrate for irrigation water - Google Patents
Treatment device for recycling mini-invasively excavated multi-medium subsurface infiltrate for irrigation water Download PDFInfo
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- CN103880186A CN103880186A CN201410108294.XA CN201410108294A CN103880186A CN 103880186 A CN103880186 A CN 103880186A CN 201410108294 A CN201410108294 A CN 201410108294A CN 103880186 A CN103880186 A CN 103880186A
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses a treatment device for recycling mini-invasively excavated multi-medium subsurface infiltrate for irrigation water. An auxiliary device and a water distributing device are connected and arranged above a water collecting device, and height difference is 2m; the structure of the auxiliary device is that compound calcium carbonate particles are filled between two layers of wire meshes; the water distributing device comprises a plurality of water distributing slots arranged in parallel; a composite geo-membrane is paved at the periphery in each water distributing slot; gravel is filled in the composite geo-membranes, and a water distributing tube is packaged in the gravel, and water holes are formed on the tube wall of the water distributing tube; the water distributing slot is provided with a gradient; the water collecting device comprises a plurality of water collecting slots arranged in parallel; gravel is filled in the water collecting slots; a water receiving tube and the water distributing slot are paved in parallel, and a water hole is formed on the tube wall of the water receiving tube; the water receiving tube is provided with the gradient; one end of the water distributing tube in the water distributing device is connected with a water inlet tube; the other end of the water receiving tube in the water collecting device corresponding to the water inlet tube is connected with a water outlet tube; the water outlet tube is connected with a water collecting tank; a sewage submersible sewage pump of the water collecting tank is connected with a backflow tube; the backflow tube is connected in the auxiliary device.
Description
Technical field
The present invention relates to a kind of waste disposal plant, be specifically related to a kind of Wicresoft excavation multimedium subsurface infiltration and be back to the treatment unit of irrigation water.
Background technology
Agricultural is the industry that China's water is maximum, water total amount 4,000 hundred million m
3, account for the more than 70% of total water amount, wherein water quantity for irrigating agricultural field 3,600 hundred million～3,800 hundred million m
3, account for the 90%-95% of Water Consumption in Agriculture.Every annual lack of water more than 300 hundred million m of agricultural irrigation
3, area suffered from drought 2146.67 ten thousand hm every year on average
2, account for 1/5 of arable land, the whole nation, Disaster Area 8,600,000 hm
2, every year because of drought underproduction grain 10,000,000,000～15,000,000,000 kg.
Shen Ju inland, NORTHWEST CHINA area, drought, shortage of water resources.By the treatment facility of a set of environmental protection practicality, single household, many families urban residents' sanitary sewage are carried out to collection and treatment, be back to farmland irrigation water, both can water saving, effectively alleviate the shortage of Water Resource in Northwest, can alleviate again damage caused by a drought, improve grain yield.
Efficiency for Soil Aquifer Treatment is usually used in villages and small towns sewage disposal, can build a small-sized Efficiency for Soil Aquifer Treatment for single household or the sanitary sewage disposal of many families, and this type case engineering is existing a lot, and practical application effect is better.But traditional filtration system quantities is relatively large, and construction cost is high, thereby be badly in need of a kind of novel subsurface wastewater infiltration system, reduce construction cost, ensure effluent quality.
Summary of the invention
The object of the present invention is to provide a kind of Wicresoft excavation multimedium subsurface infiltration to be back to the treatment unit of irrigation water, to improve the defect existing in known technology.
For achieving the above object, Wicresoft provided by the invention excavation multimedium subsurface infiltration is back to the treatment unit of irrigation water, forms by being embedded in underground supplementary unit, water-distributing device and captation; Wherein:
The structure of supplementary unit is: between upper and lower two-layer wire netting, be filled with compound calcium carbonate particle, compound calcium carbonate particle is to adopt the hollow sphere calcium carbonate granule being become with calcium carbonate powders mixing manufacture by synthetic normal temperature thermosols such as ethylene-vinyl acetate copolymer, coumarone-indene resin, synthetic paraffin resins, then after injection of methanol solution, seals wherein; Compound calcium carbonate particle outer wall thickness is 2-30mm, and wherein the mass ratio of calcium carbonate and methyl alcohol is 15:8; Lay non-woven geotextile between compound calcium carbonate particle and lower floor's wire netting;
The structure of water-distributing device is: multiple cloth tanks that are arranged in parallel, periphery in each cloth tank is laid composite geo-membrane, and in composite geo-membrane, being filled with particle diameter is 5-20cm gravel, is enclosed with a water distributor in gravel, one end of water distributor connects water inlet pipe, the other end sealing; On the tube wall of water distributor, offer water hole every 10-20cm, water hole diameter is 1-3cm;
Supplementary unit and water-distributing device are for arranging in the same way and being connected up and down;
Captation is arranged on the below of water-distributing device, with the difference of altitude of water-distributing device be 2m, be the soil of original position between the two;
The structure of captation is: multiple water legs that are arranged in parallel, and those water legs and cloth tank straightly arrange for hanging down, and in water leg, being filled with particle diameter is 5-30cm gravel, in gravel, throws in and has slow-release pesticide; One receipts water pipe and cloth tank are parallel laid, and on the midperpendicular between middle two cloth tanks; One end sealing of receiving the corresponding water distributor connection of water pipe water inlet pipe, the other end of receiving water pipe connects rising pipe; On the tube wall of receipts water pipe, offer water hole every 10-20cm, water hole diameter is 1-3cm;
Cloth tank and receipts water pipe have a gradient, the direction of slope aspect rising pipe, and the gradient of cloth tank is 1:300, the gradient of receiving water pipe is 1:200;
Rising pipe connects water collecting basin, in water collecting basin, have nitrate concentration detector, heating unit and sewage submersible sewage pump, sewage submersible sewage pump connects a return line, and return line is embedded in the compound calcium carbonate particle of supplementary unit, offer water hole every 10-20cm, water hole diameter is 1-3cm.
In described treatment unit, water distributor adopts the pvc pipe of DN100, receives the pvc pipe of water pipe employing DN150.
In described treatment unit, receive water pipe top and build one cut-pff wall, to prevent the water outlet overflow in the horizontal direction of water distributor.
In described treatment unit, ground topsoil kind is implanted with that soil removability is strong, the calamus with landscape effect, cattail, reed, Canna generalis Bailey, iris and power flower again.
In described treatment unit, the water inlet of water inlet pipe is the simple pretreated sanitary sewage of process.
In described treatment unit, sanitary sewage is the sewage in common three compartment septic tanks.
Treatment unit of the present invention, make uniqueness, wastewater purifying efficiency is good, only need in actual applications excavation cloth tank, water leg and receipts water pipe part, make construction cost reduce by 50% left and right, further reduce soil filtration plant construction expense, reduced this efficient ecological refining plant of the soil treatment degree-of-difficulty factor universal in various places.In addition, approximately there is 30% reuse water to recharge underground water, can effectively alleviate the short supply state of Groundwater Resource In Northwest China.
Brief description of the drawings
Fig. 1 is the front schematic view that Wicresoft of the present invention excavation multimedium subsurface infiltration is back to the treatment unit of irrigation water;
Fig. 2 is the side schematic view that Wicresoft of the present invention excavation multimedium subsurface infiltration is back to the treatment unit of irrigation water;
Fig. 3 is the diagrammatic cross-section along 1-1 line in Fig. 2;
Fig. 4 is the diagrammatic cross-section along 2-2 line in Fig. 2.
Main mark nomenclature in accompanying drawing:
Three compartment septic tanks 1; Water inlet pipe 2; Inlet valve 3; Plant 4; Surface soil 5; Wire netting 6; Compound calcium carbonate particle 7; Non-woven geotextile and wire netting 8; The gravel 9 of 5-20cm; Water distributor 10; Composite geo-membrane 11; BC soil 12; Soil 13; Receive water pipe 14; The gravel 15 of 5-30cm; Flowing water Valve 16; Rising pipe 17; Water collecting basin 18; Nitrate concentration detector 19; Heating unit and sewage submersible pump 20; Return line 21; Cut-pff wall 22.
Embodiment:
The present invention will be described in more detail below.Need in advance explanation, below the actual conditions and the data that provide in content, just understand and implement technical scheme of the present invention in order to helping, instead of limitation of the invention.
Concrete structure of the present invention refers to Fig. 1, Fig. 2, Fig. 3 and Fig. 4.
Treatment unit provided by the invention, its primary structure comprises supplementary unit, water-distributing device and captation;
Supplementary unit is with water-distributing device for being connected up and down, and poor with the vertical depth of captation is 2m, and centre is the soil 9 of original position; The long 15m of entirety for the treatment of unit, wide 14m.
Supplementary unit is laid wire netting 6 and non-woven geotextile and wire netting 8, wire netting 6 and non-woven geotextile and wire netting 8 are filled size compound calcium carbonate particle 7 of hollow such as not in the middle of both, compound calcium carbonate particle is the hollow sphere calcium carbonate granule that adopts normal temperature thermosol to become with calcium carbonate powders mixing manufacture, then after injection of methanol solution, seal wherein, not etc., wherein the mass ratio of calcium carbonate and methyl alcohol is not 15:8 to compound calcium carbonate particle outer wall thickness 2-30mm.
In water-distributing device, one end of water distributor 10 connects water inlet pipe 2 by inlet valve 3, the other end sealing;
In captation, receive one end sealing of the corresponding water inlet pipe 2 of water pipe 14, the other end of receiving water pipe 14 connects rising pipe 17 by flowing water Valve 16.
Water-distributing device is 0.5-1m apart from ground vertical depth, and the water distributor 10 in the wide 20-40cm being arranged by series of parallel, cloth tank and the groove of dark 20-30cm forms; Wherein the distance between cloth tank is 150-200cm, and the gradient is 1:300, slope aspect water outlet direction.
Cloth tank surrounding is laid the thick composite geo-membrane 11 of one deck 5mm, the gravel 9 that inner filling particle diameter is 5-20cm; Water distributor 10 adopts the pvc pipe of DN100, and one end connects water inlet pipe 2, and the other end sealing, is wrapped in gravel 9; The even tube wall of water distributor 10 is laid with water hole, and every water hole of 10-20cm cloth, water hole diameter is 1-3cm.
Captation is 2.5-3m apart from ground vertical depth, and the wide 30-50cm being arranged by series of parallel, the water leg of dark 30-40cm and a receipts water pipe 14 form; Wherein receive water pipe 14 on the midperpendicular between middle two cloth tanks, gradient 1:200, slope aspect water outlet direction; Water leg and the vertical laying of receipts water pipe 14, the distance between water leg is 150-200cm.Captation is arranged on soil 13.
Receive the pvc pipe that water pipe 14 adopts DN150, the other end of corresponding water inlet pipe 2 connects rising pipe 17, receives the other end sealing that water pipe 14 connects rising pipe 17; Receive water pipe 14 even cloth holes, every water hole of 10-20cm cloth, water hole diameter is 1-3cm; The gravel 15 that the solid particle diameter of water leg is 5-30cm, throws in the slow-release pesticide of some amount in gravel 15.
Rising pipe 17 connects water collecting basin 18, in pond, there are nitrate concentration detector 19, heating unit and sewage submersible sewage pump 20, sewage submersible sewage pump 20 connects return line 21, return line 21 is connected in the hollow sphere calcium carbonate granule of supplementary unit, and return line 21 offers water hole every 10-20cm in supplementary unit, water hole diameter is 1-3cm.
Receiving 0.5m directly over water pipe 14, building one cut-pff wall 22 apart from vertical depth 0.5-1m place, ground, 2m deeply, prevents the current overflow in the horizontal direction of water distributor.
Treatment unit water inlet of the present invention, for through simple pretreated sanitary sewage, is generally the sewage in septic tank, and septic tank is three common compartment septic tanks 1.
In the surface soil 5 of burying water-distributing device and captation underground, plant that soil removability is strong, the calamus with landscape effect, cattail, reed, Canna generalis Bailey, iris and again power spend 4, to improve the landscape effect of device, strengthen the effect of denitrogenation dephosphorizing simultaneously.
Due to the Northwest's soil, the soil is porous, flour sand content is high, good penetrability (saturation permeability coefficient K
s>1.5 × 10
-6m/s), ensured the sewage downward infiltration in soil in position; In cloth tank, the water distributor 10 in the gravel 9 of 5-20cm and even cloth hole has ensured the water distribution uniformity of sewage; In water leg, gravel 15 particle diameters of 5-30cm are greater than original position soil 12 particle diameters, and perviousness is better, in conjunction with the receipts water pipe 14 in even cloth hole, have ensured the receipts water efficiency of device.
Process device of the present invention reusing sewage rate after treatment is greatly about 60-70% left and right, do not have the sewage of the approximately 30%-40% of reuse to continue to flow downward, after the deep layer of soil and aeration zone purifies, reach earth's surface IV class water quality standard, recharge underground water, recharge of groundwater resource.
The present invention makes full use of microorganism of a great variety in the physico-chemical property (as larger specific surface area and certain porosity etc.) of soil uniqueness and soil, enormous amount, main by the degraded and absorbed effect of Soil Microorganism, coordinate the physical actions such as filtration, deposition and the absorption of soil to sewage, and the chemical action such as redox, ion-exchange and complex-precipitation, reach and have efficiency denitrification and dephosphorization, the efficient ammonia nitrogen of removing, fully decompose and remove organic object, pathogenic micro-organism is also had to efficient ecological removal effect simultaneously.In addition,, in the time that Pollutant levels are higher in device water outlet, can reflux and provide basicity and carbon source by compound calcium carbonate particle by return line, the stability that ensuring equipment is disposed of sewage.
Make uniqueness of the present invention, wastewater purifying efficiency is good, only needs in actual applications excavation cloth tank, water distributor, water leg and receipts water pipe part, makes construction cost reduce by 50% left and right, has further reduced soil filtration plant construction expense.
The process that device of the present invention uses in reality is:
Sanitary sewage, after three compartment septic tanks 1 are processed, enters into water distributor 10 by water inlet pipe 2 and inlet valve 3.
The sewage that enters into water leg enters into receipts water pipe 14 through the hole of receiving on water pipe 14 tube walls, the gradient of receiving water pipe 14 is 1:200, slope aspect water outlet direction, thus sewage after treatment under action of gravity along receiving water pipe 14 through flowing water Valve 16, discharged by rising pipe 17.
Rising pipe 17 connects water collecting basin 18, in water collecting basin 18, there is nitrate concentration detector 19, in the time of nitrate concentration overrate in water outlet, water collecting basin is opened heating unit 20, after water outlet is heated to 40-50 DEG C, sewage submersible sewage pump is opened and water outlet is pumped into return line 21 is delivered in supplementary unit, in supplementary unit, water outlet is through return line space pouring compound calcium carbonate particle 7, compound calcium carbonate particle 7 is size compound calcium carbonate particle and the outer wall thickness inequality of hollow such as not, in the warm water environment of 40-50 DEG C, compound calcium carbonate outer wall dissolves gradually, the particle that outer wall is thin first breaks, after the particle of outer wall thickness, break, calcium carbonate granule is in order to the basicity in setting device, discharge methyl alcohol wherein simultaneously, for denitrification process provides carbon source, the steady running of ensuring equipment.Compound calcium carbonate particle can holdout device steady running 1 year.
In surface soil 5, plant the plant 4 that soil removability is strong, have landscape effect, mainly comprise calamus, cattail, reed, Canna generalis Bailey, iris and power flower again, to improve the landscape effect of device, strengthen the effect of denitrogenation dephosphorizing simultaneously.
Water inlet of the present invention is mainly the Northwest's domestic sewage in rural areas by using, and influent quality is (unit: mg/L): 200≤COD≤400; 150≤BOD
5≤ 300; 150≤SS≤300.
Effluent quality (unit: mg/L): COD≤150; BOD
5≤ 60; SS≤80; Effluent quality meets " agricultural irrigation water quality standard " (GB5084-2005) requirement completely.
Claims (6)
1. Wicresoft's excavation multimedium subsurface infiltration is back to a treatment unit for irrigation water, forms by being embedded in underground supplementary unit, water-distributing device and captation; Wherein:
The structure of supplementary unit is: between upper and lower two-layer wire netting, be filled with compound calcium carbonate particle, compound calcium carbonate particle is the hollow sphere calcium carbonate granule that adopts normal temperature thermosol to become with calcium carbonate powders mixing manufacture, then after injection of methanol solution, seals wherein; Compound calcium carbonate particle outer wall thickness is 2-30mm, and wherein the mass ratio of calcium carbonate and methyl alcohol is 15:8; Lay non-woven geotextile between compound calcium carbonate particle and lower floor's wire netting;
The structure of water-distributing device is: multiple cloth tanks that are arranged in parallel, periphery in each cloth tank is laid composite geo-membrane, and in composite geo-membrane, being filled with particle diameter is 5-20cm gravel, is enclosed with a water distributor in gravel, one end of water distributor connects water inlet pipe, the other end sealing; On the tube wall of water distributor, offer water hole every 10-20cm, water hole diameter is 1-3cm;
Supplementary unit and water-distributing device are for arranging in the same way and being connected up and down;
Captation is arranged on the below of water-distributing device, with the difference of altitude of water-distributing device be 2m, be the soil of original position between the two;
The structure of captation is: multiple water legs that are arranged in parallel, and those water legs and cloth tank straightly arrange for hanging down, and in water leg, being filled with particle diameter is 5-30cm gravel, in gravel, throws in and has slow-release pesticide; One receipts water pipe and cloth tank are parallel laid, and on the midperpendicular between middle two cloth tanks; One end sealing of receiving the corresponding water distributor connection of water pipe water inlet pipe, the other end of receiving water pipe connects rising pipe; On the tube wall of receipts water pipe, offer water hole every 10-20cm, water hole diameter is 1-3cm;
Cloth tank and receipts water pipe have a gradient, the direction of slope aspect rising pipe, and the gradient of cloth tank is 1:300, the gradient of receiving water pipe is 1:200;
Rising pipe connects water collecting basin, in water collecting basin, have nitrate concentration detector, heating unit and sewage submersible sewage pump, sewage submersible sewage pump connects a return line, and return line is embedded in the compound calcium carbonate particle of supplementary unit, offer water hole every 10-20cm, water hole diameter is 1-3cm.
2. treatment unit according to claim 1, wherein, water distributor adopts the pvc pipe of DN100, receives the pvc pipe of water pipe employing DN150.
3. treatment unit according to claim 1 and 2, wherein, receives water pipe top and builds one cut-pff wall, to prevent the water outlet overflow in the horizontal direction of water distributor.
4. treatment unit according to claim 1, wherein, ground topsoil kind is implanted with that soil removability is strong, the calamus with landscape effect, cattail, reed, Canna generalis Bailey, iris and power flower again.
5. treatment unit according to claim 1, wherein, the water inlet of water inlet pipe is the simple pretreated sanitary sewage of process.
6. treatment unit according to claim 5, wherein, sanitary sewage is the sewage in common three compartment septic tanks.
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| CN201410108294.XA CN103880186B (en) | 2014-03-21 | 2014-03-21 | A kind of Wicresoft excavation multimedium subsurface infiltration is back to the treatment unit of irrigation water |
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| CN201410108294.XA CN103880186B (en) | 2014-03-21 | 2014-03-21 | A kind of Wicresoft excavation multimedium subsurface infiltration is back to the treatment unit of irrigation water |
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| CN103880186B CN103880186B (en) | 2015-11-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105198016A (en) * | 2015-10-10 | 2015-12-30 | 中国电建集团贵阳勘测设计研究院有限公司 | Comprehensive utilization device and method for tail water of integrated domestic sewage treatment equipment |
| CN106815794A (en) * | 2017-01-17 | 2017-06-09 | 靳泓 | A kind of comprehensive sponge urban ecological planning managing device |
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| US3925206A (en) * | 1974-09-26 | 1975-12-09 | Stanley J Dea | System for home wastewater treatment and disposal |
| CN101585647A (en) * | 2009-07-09 | 2009-11-25 | 王军 | Capillary tube compound sewage treatment device |
| CN103848544A (en) * | 2014-03-21 | 2014-06-11 | 中国环境科学研究院 | Treatment device in multi-medium underground infiltration reuse technology for landscape environment water |
| CN103864228A (en) * | 2014-03-21 | 2014-06-18 | 中国环境科学研究院 | Minimally invasive excavated multimedium underground percolating in-situ recharge underground water treatment device |
| CN103864227A (en) * | 2014-03-21 | 2014-06-18 | 中国环境科学研究院 | Treatment device for recycling micro-invasive excavation multi-medium subsurface leachate as water for cultivation |
-
2014
- 2014-03-21 CN CN201410108294.XA patent/CN103880186B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3925206A (en) * | 1974-09-26 | 1975-12-09 | Stanley J Dea | System for home wastewater treatment and disposal |
| US3925206B1 (en) * | 1974-09-26 | 1986-05-06 | ||
| CN101585647A (en) * | 2009-07-09 | 2009-11-25 | 王军 | Capillary tube compound sewage treatment device |
| CN103848544A (en) * | 2014-03-21 | 2014-06-11 | 中国环境科学研究院 | Treatment device in multi-medium underground infiltration reuse technology for landscape environment water |
| CN103864228A (en) * | 2014-03-21 | 2014-06-18 | 中国环境科学研究院 | Minimally invasive excavated multimedium underground percolating in-situ recharge underground water treatment device |
| CN103864227A (en) * | 2014-03-21 | 2014-06-18 | 中国环境科学研究院 | Treatment device for recycling micro-invasive excavation multi-medium subsurface leachate as water for cultivation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105198016A (en) * | 2015-10-10 | 2015-12-30 | 中国电建集团贵阳勘测设计研究院有限公司 | Comprehensive utilization device and method for tail water of integrated domestic sewage treatment equipment |
| CN106815794A (en) * | 2017-01-17 | 2017-06-09 | 靳泓 | A kind of comprehensive sponge urban ecological planning managing device |
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| Publication number | Publication date |
|---|---|
| CN103880186B (en) | 2015-11-18 |
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Inventor after: Zhang Lieyu Inventor after: Xi Beidou Inventor after: Li Guowen Inventor after: Wang Lei Inventor after: Li Mingxiao Inventor after: Li Caole Inventor after: Wang Jianxin Inventor after: Dang Qiuling Inventor after: Yang Tianxue, Paul, Li Guowen, Wang Lei, Li Mingxiao, Li Caole, Wang Jianxin, Dang Qiuling, Zhang Lieyu Inventor before: Zhang Lieyu Inventor before: Xi Beidou Inventor before: Li Guowen Inventor before: Li Mingxiao Inventor before: Li Caole Inventor before: Zhang Lieyu, Xi Bei, Li Guowen, Li Mingxiao, Li Caole, Wang Jianxin |
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