CN104310717B - A kind of sanitary sewage recycling processing system up to standard and method that is applicable to northern country - Google Patents
A kind of sanitary sewage recycling processing system up to standard and method that is applicable to northern country Download PDFInfo
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- CN104310717B CN104310717B CN201410629231.9A CN201410629231A CN104310717B CN 104310717 B CN104310717 B CN 104310717B CN 201410629231 A CN201410629231 A CN 201410629231A CN 104310717 B CN104310717 B CN 104310717B
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Abstract
The present invention relates to a kind of sanitary sewage recycling processing system up to standard that is applicable to northern country, it comprises sewage collecting pretreatment pool and sewage treatment unit, each sewage treatment unit comprises treatment tank, water inlet pipe, water distributor and plant purification pond, in filter chamber, be provided with filter packing layer, filter packing layer is followed successively by the first boulder bed from top to bottom, yellow ground layer, zeolite layer, the second boulder bed, water distributor is positioned at the first boulder bed, water distributor is connected with the immersible pump in regulating reservoir by water inlet pipe, at sewage collecting pretreatment pool, the outer surface in treatment tank and plant purification pond is provided with heat-insulation layer. solve the northern country sanitary sewage disposal engineering difficult problem of surviving the winter, water outlet reaches " urban wastewater treatment firm pollutant emission standard " one-level A standard, effluent reuse, saved water resource, system Construction cost is low, and operating cost is low, safeguard and use simply, peasant can operate, and can use for a long time, without backwash.
Description
Technical field
The present invention relates to a kind of sanitary sewage recycling processing system up to standard and method that is applicable to northern country, belong to wastewater treatmentTechnical field.
Background technology
In recent years, along with the continuous increase of economic development and farmers' income, life in the countryside facility, living environment and consumptionAlso there is larger variation in mode, the equipment such as tap water pipe network, sanitary shower progress into common people family, sanitary sewage dischargeAmount sharply increases. For a long time, owing to being subject to the impact of the reason such as economic development, environmental consciousness, most of rural areas do not have sewage to receiveCollection and treatment system, most sanitary sewages permeate the ground after entering the outer vacant lot of room gutter canal or discharge chamber, severe contamination water,Atmosphere and soil environment. Meanwhile, north of China is water deficiency type area, only 334 cubic metres of water resources quantity as per capita in Shandong Province,Less than national occupancy volume per person's 1/6, be only world occupancy volume per person's 1/25, occupy national each province (city, autonomous region) inverseThe 3rd, only 307 cubic metres of the per capita water resources quantity in Hebei province, less than national occupancy volume per person's 1/7, and life in a large numberThe discharge of sewage has caused the profligacy of water resource. Therefore, strengthening country sewage harmless treatment and reuse, is to face at presentVital task.
But at present conventional traditional sewage water treatment method is as conventional activated sludge process, AO method etc., treatment facility construction cost is high,Operation maintenance complexity, be difficult to promote the use of in the relatively poor rural area of economic condition, therefore, is badly in need of at present low-cost high-efficiencyRural domestic sewage treatment reuse technology. The patent No. is that CN200910231119.9 discloses the life of a kind of unpowered single-apartment rural areaSewage water treatment method alive and device be mainly for the single household peasant household that there is no pipe network, and water outlet can not reach reuse standard; SpeciallyProfit number for CN201010101840.9 discloses a kind of Oligodynamic sewage treatment system and method, is mainly for centralized rural areaOr community carries out sewage disposal, but this technology is not considered Winter protection problem, is not suitable for being applied to northern country, and water outlet" urban wastewater treatment firm pollutant emission standard " one-level A standard can not be reached, the problem of shortage of water resources can not be solved.
The problems such as, water resource shortage low for northern country winter temperature, yet there are no the life that is applicable to northern middle-size and small-size rural areaThe report of sewage recycling processing system up to standard and the method for living.
Summary of the invention
Low for north of china in winter temperature, the sanitary sewage disposal engineering difficulty of surviving the winter; Shortage of water resources, per capita water resources quantity is few;Rural economy weak foundation, unablely bears the Sewage Treatment Facilities that construction cost is high, operating cost is high; Peasant's manipulative abilityPoor, use complicated facility the problem such as can not accept for safeguarding, the invention provides a kind of sanitary sewage that is applicable to northern countryRecycling processing system up to standard and method.
Technical scheme of the present invention is as follows:
A sanitary sewage recycling processing system up to standard that is applicable to northern country, it comprises sewage collecting pretreatment pool and sewage placeReason unit, is characterized in that, described sewage collecting pretreatment pool becomes collecting-tank, setting pot and regulating reservoir by baffle for separating, collectionThe side wall upper part in pond is provided with the overfall being communicated with setting pot, and collecting-tank supernatant liquor flows into setting pot by overfall, heavySand pond is communicated with regulating reservoir by intercommunicating pore, and regulating reservoir bottom is provided with immersible pump, immersible pump by pipeline to each sewage disposalUnit supplies water;
Each sewage treatment unit comprises treatment tank, water inlet pipe, water distributor and plant purification pond, treatment tank, plantClarifier-tank left and right arranges, and treatment tank comprises the collecting chamber of filter chamber and the bottom on top, is provided with to filter to fill out in filter chamberThe bed of material, described filter packing layer is followed successively by the first boulder bed, yellow ground layer, zeolite layer, the second boulder bed, first from top to bottomThe upper surface of boulder bed is provided with interlayer, is covered with soil horizon on interlayer, and soil horizon is for planting plants, and water distributor is positioned at the first ovumIn stone layer, water distributor is connected with the immersible pump in regulating reservoir by water inlet pipe, is connected with plant purification pond in the bottom of collecting chamberThe communicating pipe being communicated with collecting pit, in plant purification pond, to plant and be implanted with plant, the bottom in plant purification pond is provided with delivery port, goes outMouth of a river connection branches out water pipe, and the water pipe that branches out of each sewage treatment unit collects connection outfall sewer, outfall sewer and cultivationPond connects, and is provided with heat-insulation layer at the outer surface in sewage collecting pretreatment pool, treatment tank and plant purification pond.
The present invention is preferred, and setting pot is 1-2 setting pot cascaded structure, and each setting pot comprises surge chamber and sand setting chamber, slowRush chamber and be connected with sand setting chamber, the surge chamber of two adjacent setting pots is staggered, and passes through buffering between two adjacent setting potsIntercommunicating pore on the sidewall of chamber is communicated with, and collecting-tank layer clear liquid flows into by overfall in the surge chamber of the setting pot being adjacent, by delayingRush the sand setting chamber of flowing through, chamber and enter the surge chamber of next setting pot, on the sand setting chamber sidewall of last setting pot, be provided with and regulateWhat pond was communicated with passes into hole, and collecting-tank layer clear liquid flowed through 1-2 setting pot by passing into hole inflow regulating reservoir.
The present invention is preferred, and the thickness of the first boulder bed is 8-15cm, and the average grain diameter of cobble is 2-4cm, the thickness of yellow ground layerFor thickness 30-35cm, the average grain diameter 0.3-1.5mm of yellow ground, the thickness of zeolite layer is 25-35cm, the average grain diameter of zeoliteAverage grain diameter be 2-3mm, the thickness 10-15cm of the second boulder bed, the average grain diameter of cobble is 1-2cm.
Cobblestone in the first boulder bed, for supports cloth water pipe, makes to be uniformly distributed on filter material layer by pipeline into water, simultaneously anti-The only apopore of filter clogging water distributor. Common yellow ground layer, the effect of yellow ground layer is absorption, decompose in sanitary sewage organic matter andSuspension, as COD, BOD, TSS. Zeolite layer, the effect of zeolite layer is ammonia nitrogen and the phosphorus in absorption, decomposition sanitary sewage.The second boulder bed is used for collecting water outlet, makes it to concentrate discharge or reuse by outlet pipe.
Sewage treatment unit is 4-6, and water distributor comprises branch's water distributor, is connected with the cloth with branch in the both sides of branch's water distributorThe vertical water distributor that water pipe is vertical, vertical water distributor is some, is parallel to each other, vertically water distributor branch between vertical water distributorWater distributor is connected, and on vertical water distributor, is provided with water distributing pore.
According to the present invention, further preferred, the water distributing pore on adjacent vertical cleaning pipe is crisscross arranged. The advantage of this kind of design:Spray apertures is evenly distributed, and makes water distribution wider, and area is larger, without dead angle.
The present invention is preferred, and water distributor internal diameter is 20-40mm, and the aperture of water distributing pore is 5-8mm, and water inlet pipe internal diameter is 30-60mm,The port of water inlet pipe and immersible pump junction are provided with screen cloth, and mesh size is 3.0-5.0mm.
The present invention is preferred, described collecting chamber be shaped as inverted cone, be arranged on communicating pipe apart from collecting chamber bottom 2-5cmPlace, the vertical setting of longitudinal axis of communicating pipe and collecting chamber.
The present invention is preferred, in filter packing layer, is provided with permeability cell, and permeability cell vertically runs through filtration packing layer, and upper end exceedsThe superiors of filter packing layer also pass soil horizon, on the sidewall of permeability cell, are evenly equipped with air-vent.
The present invention is preferred, and the thickness of described heat-insulation layer is 5-10cm, and described heat-insulation layer is polyurethane thermal insulation board, plantClarifier-tank is transparent sidewall away from the sidewall for the treatment of tank, on this sidewall, and heat-insulation layer and transparent side walls hinged.
The present invention is preferred, and described interlayer is filter layer of cloth, and edaphic thickness is 40-50cm.
The present invention is preferred, arranges in collecting-tank, setting pot, regulating reservoir, Domestic sewage treatment tank and plant purification pond upper portHaving sunlight board in order to insulation, is two in the sunlight board of Domestic sewage treatment tank, plant purification pond upper port, and two sunlight board are100～120 ° of angles connect and are arranged on the upper port in Domestic sewage treatment tank, plant purification pond.
The present invention is preferred, on the madial wall in collecting-tank, setting pot, regulating reservoir and plant purification pond, is laid with coil pipe, coil pipeBe communicated with solar energy. Heat by solar energy. In the time that winter temperature is too low, by coil pipe to collecting-tank, setting pot, tuneHeat in joint pond and plant purification pond.
Utilize said apparatus to carry out sanitary sewage process for reclaiming up to standard, comprise that step is as follows:
(1) domestic sewage in rural areas by using imports collecting-tank after pipe network is collected, and collecting-tank layer clear liquid flowed into and be adjacent by overfallSetting pot surge chamber, enter the surge chamber of next setting pot by the surge chamber sand setting chamber of flowing through, intercommunicating pore is arranged on lastOn the sand setting chamber sidewall of setting pot, collecting-tank layer clear liquid 1-2 the setting pot of flowing through flows into regulating reservoir by intercommunicating pore;
(2) enter after regulating reservoir, supply water to each sewage treatment unit by immersible pump, described immersible pump power be0.75kW, flow 8000L/h, lift 6m, processes water and enters the first boulder bed, warp through branch's water distributor, vertical water distributorCross the further water distribution of the first boulder bed, after the absorption of yellow ground layer, zeolite layer, the second boulder bed, decomposing, last successivelyEnter collecting chamber, the thickness of the first boulder bed is 8-15cm, and the average grain diameter of cobble is 2-4cm, and the thickness of yellow ground layer is thickness30-35cm, the average grain diameter 0.3-1.5mm of yellow ground, the thickness of zeolite layer is 25-35cm, the average grain diameter of zeolite is 2-3mm,The thickness 10-15cm of the second boulder bed, the average grain diameter of cobble is 1-2cm;
(3) water of collecting chamber, by entering plant purification pond communicating pipe, further purifies water outlet through the plant in plant purification pond,Remove ammonia nitrogen and phosphorus;
(4) water pipe that branches out of each sewage treatment unit collects connection outfall sewer, through treatment tank, plant purificationPond water after treatment finally enters fish pond and breeds fish or be back to landscape water.
The present invention is preferred, and the plant in plant purification pond is reed and/or Spartina alterniflora.
The size in above-mentioned collecting-tank, setting pot, pretreatment pool, Domestic sewage treatment tank and plant purification pond is according to life in the countrysideHow many designs of sewage generation, those skilled in the art can implement this design according to general knowledge.
System and method of the present invention is mainly for northern country sanitary sewage, and Winter protection is effective, water outlet reaches " cities and towns dirtWater treatment plant's pollutant emission standard " one-level A standard, and also this system and method consumes energy less, builds simply, safeguards userJust, can solve the pollution that arbitrarily discharge causes of northern country sewage, realize northern sanitary sewage disposal engineering and normally move winter,Water outlet reuse up to standard, falling the oligosaprobic while, has saved water resource.
Sanitary sewage is before processing and as follows through treatment system of the present invention index after treatment:
Technical characterstic of the present invention and advantage are as follows:
1, system and method for the present invention mainly for northern country sanitary sewage purify, integrated treatment, reach waste water and followRing utilizes, and sewage disposal system of the present invention is suitable for throughout the year, is particularly useful for north of china in winter, and high insulating effect, has solved the northThe problem that it is difficult that rural domestic sewage treatment engineering is survived the winter, makes engineering normally operation throughout the year, and water outlet reaches reuse standard, power consumptionLess, build simple, safeguard easy to usely, can solve the pollution that arbitrarily discharge causes of northern country sewage, realize north lifeSewage treatment project is normally moved winter, and water outlet reuse up to standard, falling the oligosaprobic while, has saved water resource.
2, the present invention is effective to sanitary sewage disposal, and water outlet reaches " urban wastewater treatment firm pollutant emission standard "Level A standard, effluent reuse, has saved water resource; System and method of the present invention is particularly evident to nitrogen phosphorus removal effect, nitrogenTp removal rate reaches 65-80%.
3, system Construction cost of the present invention is low, and operating cost is low, safeguards and uses simply, and peasant can operate.
4, system architecture of the present invention simple, can use for a long time, without backwash.
Brief description of the drawings
Fig. 1 is the sanitary sewage recycling processing system up to standard that is applicable to northern country of the present invention;
Fig. 2 is the structural representation of local sewage treatment unit;
Fig. 3 is the structural representation of water distributor;
Fig. 4 is the structural representation of water distributing pore;
Wherein: 1, collecting-tank, 2, setting pot, 3, surge chamber, 4, sand setting chamber, 5, overfall, 6, intercommunicating pore, 7,Regulating reservoir, 8, culturing pool, 9, immersible pump, 10, water inlet pipe, 11, water distributor, 12, branch out water pipe, 13, water outlet is totalPipe, 14, treatment tank, 15, ground floor boulder bed, 16, yellow ground layer, 17, zeolite layer, 18, second layer boulder bed,19, soil horizon, 20, heat-insulation layer, 21, sunlight board, 22, water distributing pore, 23, communicating pipe, 24, plant purification pond, 25,Warming plate on the transparent sidewall in plant purification pond, 26, branch's water distributor, 27 vertical water distributors.
Detailed description of the invention
Below by embodiment and with reference to accompanying drawing, the present invention is described in detail. It is important to point out that embodiment is only for to thisBright being further described, can not be interpreted as limiting the scope of the invention, and the person skilled in the art in this field can basisThe invention described above content is made some nonessential improvement and adjustment to the present invention.
Embodiment 1:
Be applicable to sanitary sewage recycling processing system up to standard and the method in 600Kou Ren rural area, Shandong
600 mouthfuls of people's sanitary sewage every day generations are about 18t, and COD, BOD, TSS, NH3-N and the TP of sanitary sewage are respectivelyFor 520mg/L, 208mg/L, 182mg/L, 27.5mg/L, 6.4mg/L, according to the sanitary sewage amount and the life that produce every daySewage characteristic, is applicable to the sanitary sewage recycling processing system up to standard of northern country, and structure as Figure 1-Figure 4, comprises sewageCollect pretreatment pool and sewage treatment unit, described sewage collecting pretreatment pool becomes collecting-tank 1, setting pot 2 by baffle for separatingWith regulating reservoir 7, collecting-tank 1 volume is 9m3, be of a size of length × wide × height=3.0m × 2.0m × 1.5m; Setting pot 2 volumes are6m3, be of a size of length × wide × height=2.0m × 2.0m × 1.5m; Regulating reservoir 7 volumes are 18m3, be of a size of length × wide × height=6.0m× 2.0m × 1.5m; The side wall upper part of collecting-tank 1 is provided with the overfall 5 being communicated with setting pot 2, collecting-tank 1 supernatant liquorFlow into setting pot 2 by overfall, setting pot 2 is communicated with regulating reservoir 7 by intercommunicating pore 6, and regulating reservoir 7 bottoms are provided with latentWater pump 9, immersible pump 9 supplies water to each sewage treatment unit by pipeline; Setting pot 2 is 2 setting pot cascaded structures, everyIndividual setting pot comprises surge chamber 3 and sand setting chamber 4, and surge chamber 3 is connected with sand setting chamber 4, two adjacent setting pots 2 slowRush chamber 4 and be staggered, between two adjacent setting pots 2, be communicated with by the intercommunicating pore 6 on surge chamber sidewall, on collecting-tank layer 1Clear liquid flows into the surge chamber 3 of the setting pot 2 being adjacent by overfall, enter the next one by the surge chamber 3 sand setting chamber 4 of flowing throughThe surge chamber 3 of setting pot, is provided with the hole that passes into being communicated with regulating reservoir 7 on sand setting chamber 4 sidewalls of last setting pot 2,Collecting-tank layer clear liquid flowed through 2 setting pots by passing into hole inflow regulating reservoir 7.
Sewage treatment unit is 4 compositions, and each sewage treatment unit comprises treatment tank 14, water inlet pipe 10, water distributor11 and plant purification pond 24, treatment tank is of a size of length × wide × height=5.0m × 10.0m × 1.0m; Plant purification pond 24 holdsAmass as 75m3, be of a size of length × wide × height=5.0m × 5.0m × 3.0m. Establish treatment tank 14,24 left and right, plant purification pondPut, treatment tank 14 comprises the collecting chamber of filter chamber and the bottom on top, is provided with filter packing layer in filter chamber, instituteThe filter packing layer of stating is followed successively by the first boulder bed 15, yellow ground layer 16, zeolite layer 17, the second boulder bed 18, the from top to bottomThe upper surface of one boulder bed 15 is provided with interlayer, is covered with soil horizon on interlayer, and soil horizon is for planting plants, 11 of water distributorsIn the first boulder bed, water distributor 11 is connected with the immersible pump 9 in regulating reservoir 7 by water inlet pipe 10, in the bottom of collecting chamberBe connected with the communicating pipe 23 that plant purification pond is communicated with collecting pit, in plant purification pond, plant and be implanted with plant, plant purification pondBottom be provided with delivery port, delivery port connect branch out water pipe 12, the water pipe 12 that branches out of each sewage treatment unit collectsConnect outfall sewer 13, outfall sewer 13 is connected with culturing pool 8, at sewage collecting pretreatment pool, treatment tank 14 andThe outer surface in plant purification pond 24 is provided with heat-insulation layer 20, and the thickness of heat-insulation layer is 5cm, and described heat-insulation layer is that polyurethane is protectedTemperature plate, plant purification pond is transparent sidewall away from the sidewall for the treatment of tank, on this sidewall, heat-insulation layer and transparent side walls hinged.Collecting chamber be shaped as inverted cone, be arranged on communicating pipe 23 apart from 2cm place, collecting chamber bottom, communicating pipe 23 and collecting chamberLongitudinal axis vertically arranges. In filter packing layer, be provided with permeability cell, permeability cell vertically runs through filtration packing layer, and upper end exceedsThe superiors of filter packing layer also pass soil horizon, on the sidewall of permeability cell, are evenly equipped with air-vent.
The thickness of the first boulder bed is 8cm, and the average grain diameter of cobble is 2cm, and the thickness of yellow ground layer is thickness 30cm, yellow groundAverage grain diameter 0.3mm, the thickness of zeolite layer is 25cm, the average grain diameter of the average grain diameter of zeolite is 2mm, the second boulder bedThickness 10cm, the average grain diameter of cobble is 1cm. Interlayer is filter layer of cloth, and edaphic thickness is 40cm.
Water distributor comprises branch's water distributor 26, is connected with water distributor 26 vertical the hanging down with branch in the both sides of branch's water distributor 26Straight water distributor 27, vertical water distributor 27 be some, between vertical water distributor 27, be parallel to each other, vertical water distributor 27 with divideProp up water distributor 26 and be connected, on vertical water distributor 27, be provided with water distributing pore 22, the water distributing pore 22 on adjacent vertical cleaning pipeBe crisscross arranged. Branch's water distributor 26 internal diameters are 20mm, and the aperture of water distributing pore is 5mm, and water inlet pipe internal diameter is 30mm, water inletThe port of pipe and immersible pump junction are provided with screen cloth, and mesh size is 3.0mm.
Be provided with sunlight board in order to protect in collecting-tank, setting pot, regulating reservoir, Domestic sewage treatment tank and plant purification pond upper portTemperature, is two in the sunlight board of Domestic sewage treatment tank, plant purification pond upper port, and two sunlight board are 120 ° of angles and connectAnd be arranged on the upper port in Domestic sewage treatment tank, plant purification pond.
Domestic sewage in rural areas by using imports collecting-tank after pipe network is collected, and then enters setting pot, removes after precipitation raw in setting potThe silt of living in sewage, then flow into regulating reservoir, finally pumping into Domestic sewage treatment tank by pump, water outlet is received by bottom boulder bedCollection, enters plant purification pond by pipeline self, and final outflow water reaches " urban wastewater treatment firm pollutant emission standard " one-level AStandard, enters fish pond and breeds fish.
Embodiment 2: the sanitary sewage recycling processing system up to standard and the method that are applicable to 600Kou Ren rural area, Ningxia
The sanitary sewage recycling processing system up to standard that is applicable to as described in Example 1 northern country, difference is:
The thickness of heat-insulation layer is 8cm, is arranged on communicating pipe 23 apart from 3cm place, collecting chamber bottom, and the thickness of the first boulder bed is12cm, the average grain diameter of cobble is 3cm, the thickness of yellow ground layer is thickness 32cm, the average grain diameter 0.8mm of yellow ground, zeolite layerThickness be 30cm, the average grain diameter of the average grain diameter of zeolite is 2.5mm, the thickness 12cm of the second boulder bed, cobble flatAll particle diameter is 1.5cm. Interlayer is filter layer of cloth, and edaphic thickness is 45cm.
Sunlight board in Domestic sewage treatment tank, plant purification pond upper port is two, and two sunlight board are 100 ° of angles and connectAnd be arranged on the upper port in Domestic sewage treatment tank, plant purification pond.
Embodiment 3: the sanitary sewage recycling processing system up to standard and the method that are applicable to 600Kou Ren rural area, Liaoning
The sanitary sewage recycling processing system up to standard that is applicable to as described in Example 1 northern country, difference is:
The thickness of heat-insulation layer is 10cm, is arranged on communicating pipe 23 apart from 5cm place, collecting chamber bottom, and the thickness of the first boulder bed is15cm, the average grain diameter of cobble is 4cm, the thickness of yellow ground layer is thickness 35cm, the average grain diameter 1.2mm of yellow ground, zeolite layerThickness be 35cm, the average grain diameter of the average grain diameter of zeolite is 3mm, the thickness 15cm of the second boulder bed, cobble averageParticle diameter is 2cm. Interlayer is filter layer of cloth, and edaphic thickness is 50cm.
Sunlight board in Domestic sewage treatment tank, plant purification pond upper port is two, and two sunlight board are 110 ° of angles and connectAnd be arranged on the upper port in Domestic sewage treatment tank, plant purification pond. In collecting-tank, setting pot, regulating reservoir and plant purification pondMadial wall on be laid with coil pipe, coil pipe is communicated with solar energy.
Embodiment 4
Utilize the sanitary sewage that is applicable to northern country recycling processing system up to standard described in embodiment 1 to carry out sanitary sewage up to standardProcess for reclaiming, comprises that step is as follows:
(1) domestic sewage in rural areas by using imports collecting-tank after pipe network is collected, and collecting-tank layer clear liquid flowed into and be adjacent by overfallSetting pot surge chamber, enter the surge chamber of next setting pot by the surge chamber sand setting chamber of flowing through, intercommunicating pore is arranged on lastOn the sand setting chamber sidewall of setting pot, collecting-tank layer clear liquid 2 setting pots of flowing through flow into regulating reservoir by intercommunicating pore;
(2) enter after regulating reservoir, supply water to each sewage treatment unit by immersible pump, described immersible pump power be0.75kW, flow 8000L/h, lift 6m, processes water and enters the first boulder bed, warp through branch's water distributor, vertical water distributorCross the further water distribution of the first boulder bed, after the absorption of yellow ground layer, zeolite layer, the second boulder bed, decomposing, last successivelyEnter collecting chamber,
(3) collecting chamber by entering plant purification pond communicating pipe, further purify water outlet through the plant in plant purification pond,Remove ammonia nitrogen and phosphorus;
(4) water pipe that branches out of each sewage treatment unit collects connection outfall sewer, through treatment tank, plant purificationPond water after treatment finally enters fish pond and breeds fish or be back to landscape water, and the plant in plant purification pond is reed and Hua meter Cao.
Claims (9)
1. one kind is applicable to the sanitary sewage recycling processing system up to standard of northern country, it comprises sewage collecting pretreatment pool and sewage treatment unit, it is characterized in that, described sewage collecting pretreatment pool becomes collecting-tank, setting pot and regulating reservoir by baffle for separating, the side wall upper part of collecting-tank is provided with the overfall being communicated with setting pot, collecting-tank supernatant liquor flows into setting pot by overfall, setting pot is communicated with regulating reservoir by intercommunicating pore, regulating reservoir bottom is provided with immersible pump, and immersible pump supplies water to each sewage treatment unit by pipeline;
Each sewage treatment unit comprises treatment tank, water inlet pipe, water distributor and plant purification pond, treatment tank, left and right, plant purification pond arranges, treatment tank comprises the collecting chamber of filter chamber and the bottom on top, in filter chamber, be provided with filter packing layer, described filter packing layer is followed successively by the first boulder bed from top to bottom, yellow ground layer, zeolite layer, the second boulder bed, the upper surface of the first boulder bed is provided with interlayer, on interlayer, be covered with soil horizon, soil horizon is for planting plants, water distributor is positioned at the first boulder bed, water distributor is connected with the immersible pump in regulating reservoir by water inlet pipe, be connected with the communicating pipe that plant purification pond is communicated with collecting pit in the bottom of collecting chamber, in plant purification pond, plant and be implanted with plant, the bottom in plant purification pond is provided with delivery port, delivery port connection branches out water pipe, the water pipe that branches out of each sewage treatment unit collects connection outfall sewer, outfall sewer is connected with culturing pool, at sewage collecting pretreatment pool, the outer surface in treatment tank and plant purification pond is provided with heat-insulation layer, setting pot is 1-2 setting pot cascaded structure, each setting pot comprises surge chamber and sand setting chamber, surge chamber is connected with sand setting chamber, the surge chamber of two adjacent setting pots is staggered, between two adjacent setting pots, be communicated with by the intercommunicating pore on surge chamber sidewall, collecting-tank layer clear liquid flows into by overfall in the surge chamber of the setting pot being adjacent, enter the surge chamber of next setting pot by the surge chamber sand setting chamber of flowing through, on the sand setting chamber sidewall of last setting pot, be provided with the hole that passes into being communicated with regulating reservoir, collecting-tank layer clear liquid flowed through 1-2 setting pot by passing into hole inflow regulating reservoir.
2. the sanitary sewage recycling processing system up to standard that is applicable to northern country according to claim 1, it is characterized in that, the thickness of the first boulder bed is 8-15cm, the average grain diameter of cobble is 2-4cm, and the thickness of yellow ground layer is thickness 30-35cm, the average grain diameter 0.3-1.5mm of yellow ground, the thickness of zeolite layer is 25-35cm, the average grain diameter of the average grain diameter of zeolite is 2-3mm, the thickness 10-15cm of the second boulder bed, and the average grain diameter of cobble is 1-2cm.
3. the sanitary sewage recycling processing system up to standard that is applicable to northern country according to claim 1, it is characterized in that, water distributor comprises branch's water distributor, be connected with the vertical water distributor vertical with branch water distributor in the both sides of branch's water distributor, vertical water distributor is some, between vertical water distributor, be parallel to each other, vertical water distributor is connected with branch water distributor, vertically on water distributor, is being provided with water distributing pore.
4. the sanitary sewage recycling processing system up to standard that is applicable to northern country according to claim 3, it is characterized in that, water distributing pore on adjacent vertical water distributor is crisscross arranged, water distributor internal diameter is 20-40mm, the aperture of water distributing pore is 5-8mm, water inlet pipe internal diameter is 30-60mm, and the port of water inlet pipe and immersible pump junction are provided with screen cloth, and mesh size is 3.0-5.0mm.
5. the sanitary sewage recycling processing system up to standard that is applicable to northern country according to claim 1, it is characterized in that, described collecting chamber be shaped as inverted cone, be arranged on communicating pipe apart from 2-5cm place, collecting chamber bottom, the vertical setting of longitudinal axis of communicating pipe and collecting chamber is provided with permeability cell in filter packing layer, and permeability cell vertically runs through filtration packing layer, upper end exceeds the superiors of filter packing layer and passes soil horizon, on the sidewall of permeability cell, is evenly equipped with air-vent.
6. the sanitary sewage recycling processing system up to standard that is applicable to northern country according to claim 1, it is characterized in that, the thickness of described heat-insulation layer is 5-10cm, described heat-insulation layer is polyurethane thermal insulation board, plant purification pond is transparent sidewall away from the sidewall for the treatment of tank, on this sidewall, heat-insulation layer and transparent side walls hinged.
7. the sanitary sewage recycling processing system up to standard that is applicable to northern country according to claim 1, it is characterized in that, described interlayer is filter layer of cloth, edaphic thickness is 40-50cm, be provided with sunlight board in order to insulation in collecting-tank, setting pot, regulating reservoir, treatment tank and plant purification pond upper port, sunlight board in treatment tank, plant purification pond upper port is two, and two sunlight board are the upper port that 100～120 ° of angles connect and be arranged on treatment tank, plant purification pond.
8. the sanitary sewage recycling processing system up to standard that is applicable to northern country according to claim 1, is characterized in that, on the madial wall in collecting-tank, setting pot, regulating reservoir and plant purification pond, be laid with coil pipe, coil pipe is communicated with solar energy.
9. utilize the treatment system described in claim 1 to carry out sanitary sewage process for reclaiming up to standard, comprise that step is as follows:
(1) domestic sewage in rural areas by using imports collecting-tank after pipe network is collected, collecting-tank layer clear liquid flows into the setting pot surge chamber being adjacent by overfall, enter the surge chamber of next setting pot by the surge chamber sand setting chamber of flowing through, intercommunicating pore is arranged on the sand setting chamber sidewall of last setting pot, and collecting-tank layer clear liquid 1-2 the setting pot of flowing through flows into regulating reservoir by intercommunicating pore;
(2) enter after regulating reservoir, supply water to each sewage treatment unit by immersible pump, described immersible pump power be 0.75kW, flow 8000L/h, lift 6m, process water through branch's water distributor, vertical water distributor enters the first boulder bed, through the further water distribution of the first boulder bed, pass through successively yellow ground layer, zeolite layer, the absorption of the second boulder bed, after decomposition, finally enter collecting chamber, the thickness of the first boulder bed is 8-15cm, the average grain diameter of cobble is 2-4cm, the thickness of yellow ground layer is thickness 30-35cm, the average grain diameter 0.3-1.5mm of yellow ground, the thickness of zeolite layer is 25-35cm, the average grain diameter of zeolite is 2-3mm, the thickness 10-15cm of the second boulder bed, the average grain diameter of cobble is 1-2cm,
(3) water of collecting chamber, by entering plant purification pond communicating pipe, further purifies water outlet through the plant in plant purification pond, removes ammonia nitrogen and phosphorus;
(4) water pipe that branches out of each sewage treatment unit collects connection outfall sewer, finally enters fish pond and breeds fish or be back to landscape water through treatment tank, plant purification pond water after treatment, and the plant in plant purification pond is reed and/or Spartina alterniflora.
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| CN105906150A (en) * | 2016-06-06 | 2016-08-31 | 李丹丹 | Sewage treatment system and technology for river ways in city |
| CN106495418A (en) * | 2016-12-30 | 2017-03-15 | 桂林市逸仙中学 | A kind of domestic sewage processing system |
| CN112624334A (en) * | 2020-11-23 | 2021-04-09 | 江苏一鉴塘环境科技工程有限公司 | Sewage treatment system and process for constructing ecological reactor by using pure natural substances |
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