CN102491583B - Constructed wetland with sewage treatment function - Google Patents
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- CN102491583B CN102491583B CN2011103632796A CN201110363279A CN102491583B CN 102491583 B CN102491583 B CN 102491583B CN 2011103632796 A CN2011103632796 A CN 2011103632796A CN 201110363279 A CN201110363279 A CN 201110363279A CN 102491583 B CN102491583 B CN 102491583B
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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
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The invention relates to an environmental project able to treat sewage, especially to a constructed wetland with a sewage treatment function. According to the technical scheme of the invention, the constructed wetland with a sewage treatment function is characterized by comprising a wetland main body composed of a plant and a filling material. The wetland main body is provided with a heating functional device, an aerobic functional device, a carbon source adding and denitrification functional device, a physicochemical adsorption functional device and a sludge discharge functional device. The carbon source adding and denitrification functional device consists of a hollow filtering cavity and a carbon source substance displaced in the hollow part of the hollow filtering cavity. The physicochemical adsorption functional device includes a hollow filtering cavity and a fine-grained physicochemical adsorption filling material disposed in the hollow part of the hollow filtering cavity. By means of the above scheme, the invention overcomes problems existing in prior art, and provides a novel constructed wetland with a sewage treatment function, wherein, the constructed wetland has the advantages of high removal efficiency, stable operation, and difficult obstruction, etc.
Description
Technical field
The present invention relates to a kind of environmental engineering with sewage disposal, the artificial swamp that refers to have the sewage disposal function especially.
Technical background
Artificial swamp is used widely in the vast rural area of China, samll cities and towns as a kind of sanitary sewage disposal technique means cheaply, and control pollution of area source, control body eutrophication etc. has been made important contribution.
Most of artificial wetland is in application process at present, exist following problems: 1, the phosphorus removal functional of artificial swamp mainly is achieved by the materialization absorption of filler, in general, filler is more tiny, its materialization adsorption effect to phosphorus is more good, but the meticulous obstruction that causes artificial swamp again easily of filler, therefore in the practical application of artificial swamp, often select the particle diameter of dephosphorization filler bigger, be 200910236388.4 as application number, the patent No. is that the patent of invention of ZL200610096747.7 is described, this has just reduced the phosphorus removal functional of artificial swamp to a certain extent, on the other hand, artificial swamp for common practical application, after filler suction phosphorus is saturated, when changing filler as needs, then often to change the filler in the whole wetland, thus can be owing to destroy plant, difficulty such as great in constructing amount and being difficult to carry out; 2, during winter operation, low excessively temperature can cause that constructed wetland plant is dead and influence treatment effect, even can cause freezing and artificial swamp can't normally be moved; 3, artificial swamp tend at its some settlings of bottom accumulation, and traditional artificial swamp does not often have good technique means to these sedimental removals after operation after a while; 4, traditional artificial swamp is when arranging aerating apparatus, place it in the centre of artificial swamp filler often, thereby make the mass transfer process of water-gas two-phase to make mass transfer process be affected because the existence of the solid phase filler of occupying most of space in the wetland reduce the turbulence state of fluids such as water, gas, and be unfavorable for the maintenance replacing of aerator; 5, traditional artificial swamp is not owing to the carbon source deficiency, have factor such as metastable reinforcement anoxic denitrification denitrogenation zone, and make its denitrogenation ability relatively poor, for addressing this problem, application number be 200910026475.7 ways such as invention such as grade be by biomass such as direct input branch, wood chip, stalks in artificial swamp, but the direct adding of these biomass causes the obstruction of artificial swamp easily.
Summary of the invention
The present invention overcomes the problem that prior art exists, and a kind of novel artificial swamp with sewage disposal function that makes wetland have advantages such as removal efficient height, stable, difficult obstruction is provided.
Realize above-mentioned purpose, the present invention adopts following technical scheme: a kind of artificial swamp with sewage disposal function, it is characterized in that: include the wetland main body that is constituted by plant and filler, described wetland main body is provided with the functional device of heating, aerobic functional device, add carbon source denitrification function device, materialization adsorption function device and spoil disposal functional device, the functional device of wherein heating includes hollow and filters cavity, solar water heater, water circulating pump and sprinkler head, the bottom of described filtration cavity is connected with solar water heater by pipeline, solar water heater is connected with sprinkler head, water circulating pump is connected on the pipeline so that spray from sprinkler head behind the water process solar water heater of the hollow bulb of formation filtration cavity, described aerobic functional device includes hollow and filters cavity, place the filler that filters the cavity hollow bulb, aerator and aeration tube, described aeration tube one end is connected on the aerator, the other end places the bottom of hollow bulb of the filtration cavity of aerobic functional device, described interpolation carbon source denitrification function device includes hollow and filters cavity and place this hollow to filter the carbon source material of the hollow bulb of cavity, and described materialization adsorption function device includes hollow and filters cavity and place this hollow to filter the fine particle materialization adsorption stuffing of the hollow bulb of cavity.
By adopting such scheme, can reach following purpose: the functional device of 1, heating can guarantee that artificial swamp realizes the efficient purification efficiency to sanitary sewage in the winter time, thereby solves traditional artificial swamp is difficult to keep normal operation winter in northern China a difficult problem; 2, aerobic functional device, denitrification add the existence of carbon source functional device and materialization adsorption function device, improve the denitrogenation dephosphorizing efficient of traditional artificial swamp greatly; 3, the existence of mud discharging device can regularly efficiently be removed the mud of artificial swamp inside, compared with traditional artificial swamp, not only prolonged the work-ing life of artificial swamp, and management maintenance is more convenient, quick, efficient.
The further setting of the present invention is: described wetland main body top is provided with the insulation canopy of being made by light transmissive material; The hollow of the described functional device of heating filter the inner housing of body skin that cavity includes the wall perforate, wall perforate and place body skin and inner housing between the interlayer filler, it is coniform or cylindric that the hollow of the described functional device of heating is filtered the cavity global shape, and it is consistent with the hollow filtering chamber body structure of the functional device of heating that the hollow separately in described aerobic functional device, interpolation carbon source denitrification function device and the materialization adsorption function device is filtered cavity; Hollow in the described functional device of heating, aerobic functional device, interpolation carbon source denitrification function device and the materialization adsorption function device filters between the body skin of cavity and the inner housing to become to removably connect, and described interlayer filler is all in dismountable interlayer that is arranged between body skin and the inner housing; Described inside and outside housing is made by Steel Concrete or plastics or stainless steel, and inside and outside surface of shell percentage of open area is more than 30%, bore dia is below 3 cm, described interlayer filler is the one or more combination in natural pebble, quartz sand, plastic filler, the slag, and the particle diameter diameter is greater than inside and outside housing bore diameter; The filler that the hollow of described aerobic functional device is filtered in the cavity is the filler of suspension microorganism or attached microbial, the carbon source material of described interpolation carbon source denitrification function device is fermentation or unfermentable stalk, bark, hay natural biomass, or the methyl alcohol of synthetic, glucose, starch pharmaceutical chemicals, the fine particle materialization adsorption stuffing of described materialization adsorption function device is the one or more combination in hydrated calcium silicate, Wingdale, sponge iron, flyash, natural zeolite, the medical stone; Described spoil disposal functional device includes and filters cavity, takes out mud vacuum pump and mud-removing bucket, and mud-removing bucket is arranged on the filtration cavity bottom, takes out on the spoil disposal pipeline that the mud vacuum pump is arranged on mud-removing bucket.
The purpose that the present invention further arranges is: can make solubilised state and tiny particulate pollutant freely to exchange between each functional device and artificial swamp main body packing layer, oarse-grained pollutent then can not be entered each functional device or be entered artificial swamp from each functional device by artificial swamp inside, the hollow of each functional device filtration cavity special construction can make the materialization adsorption stuffing of more tiny particle diameter can be added in the artificial swamp in addition, realization is difficult to use tiny materialization adsorption stuffing to sacrifice a difficult problem that loading capacity be made into bulk filler thereby solve in traditional artificial swamp for avoiding stopping up to the removal of solubilised state ammonia nitrogen and phosphorus; Can when denitrifying carbon sources such as the stalk that adds natural or fermentation, leaf, hay, by the interception of special construction, reduce the carbon source interpolation and cause the artificial swamp possibility of jamming; Can avoid causing obstruction because the prolific microorganism of aeration oxygen replenishing enters artificial swamp filler inside, filter the formed relatively independent zone of cavity by hollow simultaneously, can improve the effect of aeration; Filter the filteration of the interlayer filler of cavity simultaneously by hollow, the feasible heating cycle sewage relative clean that enters solar water heater has been avoided stopping up because sewage enters the water-heater that may cause.Hollow filtration cavity has reactivity in addition, inner housing and interlayer filler can take out from body skin at any time, realization is to the replacing of materials such as the materialization adsorption stuffing that adds in the space in the inner housing, denitrifying carbon source, can realize simultaneously the microorganism that grows in the inner housing and the suspended substance of interlayer filler interception etc. are realized cleaning.
Below in conjunction with accompanying drawing the present invention is further described.
Description of drawings
Fig. 1 is the general illustration of the artificial swamp of the embodiment of the invention;
Fig. 2 is the functional device structural representation of heating of the embodiment of the invention;
Fig. 3 is the aerobic functional device structural representation of the embodiment of the invention;
Fig. 4 is the interpolation carbon source denitrification function apparatus structure synoptic diagram of the embodiment of the invention;
Fig. 5 is the materialization adsorption function apparatus structure synoptic diagram of the embodiment of the invention;
Fig. 6 is the spoil disposal functional device structural representation of the embodiment of the invention.
Embodiment
As Fig. 1-shown in Figure 6, a kind of artificial swamp with sewage disposal function, include the wetland main body 2 that is constituted by plant and filler, described wetland main body 2 is provided with the functional device 11 of heating, aerobic functional device 12, add carbon source denitrification function device 13, materialization adsorption function device 14 and spoil disposal functional device 15, the functional device 11 of wherein heating includes hollow and filters cavity 111, solar water heater 112, water circulating pump 113 and sprinkler head 114, the bottom of described filtration cavity 111 is connected with solar water heater 112 by pipeline, solar water heater 112 is connected with sprinkler head 114, water circulating pump 113 is connected on the pipeline so that constitute water process solar water heater 112 backs ejection from sprinkler head 114 of the hollow bulb that filters cavity 111, described aerobic functional device 12 includes hollow and filters cavity 121, place the filler 122 that filters cavity 121 hollow bulbs, aerator 123 and aeration tube 124, described aeration tube 124 1 ends are connected on the aerator 123, the other end places the bottom of hollow bulb of the filtration cavity of aerobic functional device, described interpolation carbon source denitrification function device 13 includes hollow and filters cavity 131 and place this hollow to filter the carbon source material 132 of the hollow bulb of cavity 131, described materialization adsorption function device 14 includes hollow and filters cavity 141 and place this hollow to filter the fine particle materialization adsorption stuffing 142 of the hollow bulb of cavity 141, described spoil disposal functional device 15 includes and filters cavity 151, take out mud vacuum pump 152 and mud-removing bucket 153, mud-removing bucket 153 is arranged on and filters cavity 151 bottoms, takes out on the spoil disposal pipeline that mud vacuum pump 152 is arranged on mud-removing bucket 153; Described wetland main body top is provided with the insulation canopy of being made by light transmissive material 3, certainly in the higher south of temperature, and the place that can not freeze winter, we also can not arrange insulation canopy 3.
In embodiments of the present invention, the hollow of the described functional device 11 of heating is filtered the body skin 1111 that cavity 111 includes the wall perforate, the inner housing 1112 of wall perforate and place body skin and inner housing between interlayer filler 1113, it is coniform or cylindric that the hollow of the described functional device 11 of heating is filtered cavity 111 global shapes, described oxygen functional device 12, it is consistent with the hollow filtering chamber body structure of the functional device 15 of heating with the hollow filtration cavity separately in the materialization adsorption function device 14 to add carbon source denitrification function device 13, the described functional device 11 of heating, aerobic functional device 12, become to removably connect between the body skin of the hollow filtration cavity in interpolation carbon source denitrification function device 13 and the materialization adsorption function device 14 and the inner housing, described interlayer filler is all in dismountable interlayer that is arranged between body skin and the inner housing, arranges like this to add to change filler and the interlayer filler is more convenient.In embodiments of the present invention, inside and outside housing of above-mentioned each device is made by Steel Concrete or plastics or stainless steel, and inside and outside surface of shell percentage of open area is more than 30%, bore dia is below 3 cm, described interlayer filler is the one or more combination in natural pebble, quartz sand, plastic filler, the slag, and the particle diameter diameter is greater than inside and outside housing bore diameter.The filler 122 that the hollow of described aerobic functional device 12 is filtered in the cavity 121 is the filler of suspension microorganism or attached microbial, the carbon source material of described interpolation carbon source denitrification function device 13 is natural biomass such as fermentation or unfermentable stalk, bark, hay, also can be methyl alcohol, glucose, the starch pharmaceutical chemicals of synthetic, the fine particle materialization adsorption stuffing of described materialization adsorption function device 14 is the one or more combination in hydrated calcium silicate, Wingdale, sponge iron, flyash, natural zeolite, the medical stone.
Further embodiment of the present invention, sanitary sewage with No. one building, students' dormitory, higher education garden, tea hill, Wenzhou City serves as to handle object, amount to population 58 people in No. one building, a day sewage generating capacity is about 12 tons, selects No. one green lawn before the building to be transformed into the artificial swamp treatment unit.Artificial swamp main functionality device length and width height is respectively 25m * 5m * 1m, and whole artificial swamp is positioned at the inside, greenhouse of glass material, and the artificial swamp filler body is the natural pebble of diameter 5cm-10cm, surface plantation parasol grass and Canna generalis Bailey.In artificial swamp inside, 1 12,3 of 11,3 aerobic aeration functional device of functional device of heating is set respectively adds carbon source denitrification function device 13,3 materialization adsorption function devices 14 are taken out mud functional device 15 and can be utilized denitrification function device 13 and materialization adsorption function device 14 temporarily.Above-mentioned all functions device inner and outer shell is skeleton construction, and the body skin internal diameter is 50cm, and housing is thick to be 3cm, the inner housing internal diameter is 34cm, and housing is thick to be 3cm, and the inner and outer shell percentage of open area is 50%, the perforate aperture is 0.8cm, and it is the quartz sand of 1cm that the interlayer filler adopts particle diameter.The functional device 11 attached solar water heaters of heating are arranged on glasshouse chamber top, and it is that percentage of open area is the pvc pipe of 10% 100 mm that water distributor adopts diameter, and the aperture is 0.5 mm, and pvc pipe is long to be 5m, is placed on the ingress of artificial swamp.The aerobic aeration functional device 12 inner fillers 122 of placing fluidized are used for the growth microorganism, realize quick degradation of organic substances and ammonia nitrogen.Add carbon source denitrification function device 13 its inner what place be by fermentation wetland harvesting plant, replacing in about 2 months is once.Materialization adsorption function device 14 inner pulverulent lime stone and the zeolites placed are realized the removal to phosphoric acid salt in the water and ammonia nitrogen, and the materialization adsorption stuffing was changed once in 5 months.Take out mud functional device 15 and utilize denitrification function device 13 and materialization adsorption function device 14 temporarily, extracting frequency is 1 year 1 time.After above-mentioned artificial swamp construction is finished, through 24 months operation, COD, the NH of device water inlet
4 +-N, TN, TP concentration is average out to 125.4mg/L respectively, 18.7mg/L, and 37.6mg/L, 10.1 mg/L, the water outlet mean concns is 10.1mg/L after system handles, 0.5 mg/L, 1.0 mg/L, 0.05mg/L reaches national town sewage discharging one-level A standard.
Claims (7)
1. artificial swamp with sewage disposal function, it is characterized in that: include the wetland main body that is constituted by plant and filler, described wetland main body is provided with the functional device of heating, aerobic functional device, add carbon source denitrification function device, materialization adsorption function device and spoil disposal functional device, the functional device of wherein heating includes hollow and filters cavity, solar water heater, water circulating pump and sprinkler head, the bottom of described filtration cavity is connected with solar water heater by pipeline, solar water heater is connected with sprinkler head, water circulating pump is connected on the pipeline so that spray from sprinkler head behind the water process solar water heater of the hollow bulb of formation filtration cavity, described aerobic functional device includes hollow and filters cavity, place the filler that filters the cavity hollow bulb, aerator and aeration tube, described aeration tube one end is connected on the aerator, the other end places the bottom of hollow bulb of the filtration cavity of aerobic functional device, described interpolation carbon source denitrification function device includes hollow and filters cavity and place this hollow to filter the carbon source material of the hollow bulb of cavity, and described materialization adsorption function device includes hollow and filters cavity and place this hollow to filter the fine particle materialization adsorption stuffing of the hollow bulb of cavity.
2. the artificial swamp with sewage disposal function according to claim 1 is characterized in that: be provided with the insulation canopy of being made by light transmissive material above the described wetland main body.
3. the artificial swamp with sewage disposal function according to claim 1 and 2, it is characterized in that: the hollow of the described functional device of heating filter the inner housing of body skin that cavity includes the wall perforate, wall perforate and place body skin and inner housing between the interlayer filler, it is coniform or cylindric that the hollow of the described functional device of heating is filtered the cavity global shape, and it is consistent with the hollow filtering chamber body structure of the functional device of heating that the hollow separately in described aerobic functional device, interpolation carbon source denitrification function device and the materialization adsorption function device is filtered cavity.
4. the artificial swamp with sewage disposal function according to claim 3, it is characterized in that: hollow in the described functional device of heating, aerobic functional device, interpolation carbon source denitrification function device and the materialization adsorption function device filters between the body skin of cavity and the inner housing to become to removably connect, and described interlayer filler is all in dismountable interlayer that is arranged between body skin and the inner housing.
5. according to claim 3 or 4 described artificial swamps with sewage disposal function, it is characterized in that: described inside and outside housing is made by Steel Concrete or plastics or stainless steel, and inside and outside surface of shell percentage of open area is more than 30%, bore dia is below 3 cm, described interlayer filler is the one or more combination in natural pebble, quartz sand, plastic filler, the slag, and the particle diameter diameter is greater than inside and outside housing bore diameter.
6. the artificial swamp with sewage disposal function according to claim 1 and 2, it is characterized in that: the filler that the hollow of described aerobic functional device is filtered in the cavity is the filler of suspension microorganism or attached microbial, the carbon source material of described interpolation carbon source denitrification function device is fermentation or unfermentable stalk, bark, the hay natural biomass, or the methyl alcohol of synthetic, glucose, the starch pharmaceutical chemicals, the fine particle materialization adsorption stuffing of described materialization adsorption function device is hydrated calcium silicate, Wingdale, sponge iron, flyash, natural zeolite, one or more combination in the medical stone.
7. the artificial swamp with sewage disposal function according to claim 1 and 2, it is characterized in that: described spoil disposal functional device includes and filters cavity, takes out mud vacuum pump and mud-removing bucket, mud-removing bucket is arranged on the filtration cavity bottom, takes out on the spoil disposal pipeline that the mud vacuum pump is arranged on mud-removing bucket.
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Effective date of registration: 20180911 Address after: 558000 green Yin Lake Industrial Park, Tuyun, Qiannan Buyi and Miao Autonomous Prefecture, Guizhou eight Patentee after: Guizhou Wellsun Environmental Protection Biology Engineering Co., Ltd.. Address before: 325000 Wenzhou tea mountain high education park in Zhejiang Province Patentee before: Wenzhou University |
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