CN201136829Y

CN201136829Y - Biological-ecological composite sewage treatment pool

Info

Publication number: CN201136829Y
Application number: CNU2007203118725U
Authority: CN
Inventors: 俞建德
Original assignee: ATAL ENGINEERING Ltd
Current assignee: ATAL ENGINEERING Ltd
Priority date: 2007-12-17
Filing date: 2007-12-17
Publication date: 2008-10-22
Anticipated expiration: 2017-12-17

Abstract

The utility model relates to a biological ecology sewage purification tank, which comprises a plurality of filter units arranged in sequence. Each filter unit comprises a pool body with three faces enclosed by an upstream retaining dam (1) and with one face enclosed by a downstream retaining dam (2) and a water out distributing channel (3) positioned at one side of the downstream retaining dam (2), wherein, the height of the downstream retaining dam (2) is higher than that of the upstream retaining dam (1), an aquatic plant (4), biological filter media (5) and a water outlet collector pipe (6) are arranged in each pool body in sequence, wherein, an outlet (61) of the water outlet collector pipe (6) extends out of one side of the downstream retaining dam (2) and is communicated with the water out distributing channel (3). Compared with the prior art, the biological ecology sewage purification tank fully absorbs and degrades the organic pollutant substances in the sewage through a root system of the aquatic plant, simultaneously, a carrier is provided for the propagation and the growth of microorganism in the biological ecology system by utilizing the biological filter media, and performs the biological reaction with the organic pollutant substances in the sewage, and a biological ecology compound mode is realized to effectively remove the nitrogen and the phosphorous in the sewage.

Description

A kind of biological-ecological composite sewage water treatment tank

Technical field

The utility model relates to technical field of sewage treatment, relates in particular to and a kind ofly adopt the biological-ecological complex method, can effectively remove the treatment tank of nitrogen and phosphorus in the sewage.

Background technology

River water body eutrophication phenomenon is serious, a global day by day water environmental problems.In the water body of unhurried current, nutritive substances such as nitrogen, phosphorus can bring algae and waterplant hypertrophy, and cause the dissolved oxygen in the water body sharply to reduce, and cause fish kill.When body eutrophication is serious, also can cause the lake to be degenerated even the water body extinction.And present many sewage directly do not enter among the river course through just handling, and cause many city river eutrophication and pollute more seriously, and resource of water supply and city resident's life, living environment caused serious threat.Therefore, to the water body treating in nutrient laden in the city and with serious pollution river course, the Sustainable development of protection Urban Water Environment and realization Urban Water Environment is significant.

Summary of the invention

Technical problem to be solved in the utility model is the treatment tank that provides a kind of at above-mentioned prior art present situation and adopt the biological-ecological complex method, can effectively remove nitrogen and phosphorus in the sewage.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: this biological-ecological composite sewage water treatment tank, it is characterized in that: include a plurality of filtering units of arranging in turn, wherein each filtering unit comprises three by the upstream checkdam, one side is by downstream checkdam pond body that surrounds and the water outlet distributing flue that is positioned at downstream checkdam one side, wherein, the height of downstream checkdam is higher than the upstream checkdam, and be disposed with waterplant in the pond body of each filtering unit from top to bottom, biologic packing material and water outlet header, the outlet of this water outlet header is stretched out in downstream checkdam one side and is connected with described water outlet distributing flue, and, in two adjacent filtering units, the water outlet distributing flue in the previous filtering unit is adjacent with the upstream checkdam of a back filtering unit.

Biological respinse for organic pollution materials in microorganism in the reinforcement biologic packing material and the sewage, body bottom, described pond can also have additional aerating apparatus, the air in the external world is input to continually the bottom of biologic packing material by aerating apparatus, can constantly replenish the required oxygen of biological respinse, accelerate the speed and the efficient of sewage purification.Described aerating apparatus can be simple aeration head, also can be the aeration tube that has aperture on the tube wall.

Sometimes have many impurity in the sewage, for guaranteeing that sewage can be smoothly enters into biologic packing material district below it by the waterplant district, described biologic packing material top can be provided with grid layer, be distributed with a plurality of permeable holes and planting groove on this grid layer equably, each planting groove bottom has a plurality of through holes, and described waterplant just is planted in the corresponding planting groove, like this, the part root of waterplant just can pass the through hole of planting groove bottom and enter among the described biologic packing material, and sewage is when the grid layer, impurity just is blocked on the grid, current just can enter in the biologic packing material district smoothly, and many strains waterplant is distributed on the biologic packing material district by grid layer equably and firmly, prevent that waterplant and biologic packing material are between overflow stage in the river course, are walked by flood erosion.Described grid layer can non-metallic material employing grid or grid brick and realizing.

For the current in the water outlet distributing flue also can be purified, the top of described water outlet distributing flue also can be provided with waterplant, and is concrete, also can adopt grid layer as above-mentioned mode to fix waterplant is set.

For guaranteeing the purification of the biological-ecological system in this filtering unit that fully obtained from the effusive current of water outlet header of each filtering unit, described water outlet header is good to be provided with valve, specifically can adopt following design: the exit of described water outlet header is provided with valve, this valve is controlled its keying by a valve positioner, and, the upper position of part thereon of the pool wall of described pond body is provided with a water level sensor that links to each other with described valve positioner, and described valve positioner is according to the signal of this water level sensor and the keying of by-pass valve control; During actual motion, when the intravital water yield in pond reach a certain height and touches water level sensor, illustrate that sewage has carried out contacting and having obtained sufficient purification with waterplant, biologic packing material fully, at this moment, valve positioner is received the signal of water level sensor and opens valve that the current that purified just flow into the water outlet distributing flue from the water outlet header.

Be the exactness of highest safety stage sensor detecting water level, permeable division board can be set around the described water level sensor described biologic packing material is kept apart, avoid biologic packing material to touch water level sensor and influence it and detect effect.

Compared with prior art, advantage of the present utility model is: by waterplant and biologic packing material are set in the body of pond, root system by waterplant, to fully absorb degraded as organic pollution materials such as nitrogen, phosphorus in the sewage, simultaneously, utilize biologic packing material, for the growth of the microbial reproduction in biology-ecosystem provides carrier, and make in the sewage organic pollution materials fully and its generation biological respinse, realize biological-ecological compound mode, nitrogen in the sewage and phosphorus are effectively removed, and aquatic plants growth is good whole filtering basin environment better appearance; Simultaneously, a plurality of filtering units are provided with in turn, make in the upper level filtering unit effusive water purification proceed further purification among flowing into the next stage filtering unit, design very science, rationally; The utility model can directly be communicated with smelly water river course, utilize some existence conditionses in river course, realization biological-ecological complex method is handled sewage, and Technology is simple, can in original river course, build, have the province of occupation of land, the good advantage of denitrogenation dephosphorizing effect.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is the structural representation of filtering unit among the utility model embodiment;

Fig. 3 is the structural representation of grid layer and waterplant among the utility model embodiment;

Fig. 4 is the partial enlarged drawing of Fig. 3.

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As Fig. 1～shown in Figure 4, this biological-ecological composite sewage water treatment tank, include a plurality of filtering units of arranging in turn, each filtering unit comprises three pond bodies that surrounded by downstream checkdam 2 by upstream checkdam 1, one side and the water outlet distributing flue 3 that is positioned at downstream checkdam 2 one sides;

Wherein, the height of downstream checkdam 2 is higher than upstream checkdam 1;

And be disposed with waterplant 4, biologic packing material 5 in the pond body of each filtering unit from top to bottom and be positioned at the water outlet header 6 of pond body bottom, the outlet 61 of this water outlet header 6 is stretched out in downstream checkdam 2 one sides and is connected with described water outlet distributing flue 3, and, in two adjacent filtering units, the water outlet distributing flue 3 in the previous filtering unit is adjacent with the upstream checkdam 1 of a back filtering unit;

Body bottom, described pond also has additional aerating apparatus 7, in the present embodiment, this aerating apparatus 7 comprises that the aeration tube 71 and that is laid on body bottom, pond is arranged on the total inlet pipe 72 of pond external body, wherein, have aperture on the tube wall of aeration tube 71, the head of aeration tube 71 stretches out outside the body of pond and is connected with described total inlet pipe 72;

Described biologic packing material 5 tops are provided with grid layer 8, and be distributed with a plurality of permeable holes 81 and planting groove 82 on the grid layer 8 equably, each planting groove 82 bottom has a plurality of through holes 83, and described waterplant 4 just is planted in the corresponding planting groove 82, and the part root of waterplant 4 just can pass the through hole 83 of planting groove 82 bottoms and enter among the biologic packing material 5;

The top of described water outlet distributing flue 3 also is provided with waterplant 4 and grid layer 8;

Simultaneously, outlet 61 places of described water outlet header 6 are provided with valve 62, this valve 62 is by a valve positioner 63 its keyings of control, and, the position of the upper part thereon of the pool wall of described pond body (in the present embodiment, be arranged on the inboard on downstream checkdam 2 tops) be provided with a water level sensor 9 that links to each other with described valve positioner 63, be provided with permeable division board 10 around this water level sensor 9 and described biologic packing material 5 is kept apart, valve positioner 63 is according to the signal of this water level sensor 9 and the keying of by-pass valve control 62.

During actual operation, can determine the number that is provided with of filtering unit according to the nitrogen and phosphorus content of actual treatment sewage, overflow in upstream checkdam 1 top of sewage from first filtering unit, enter in the biologic packing material 5 through grid layer 8, objectionable impurities in the sewage fully absorbs degraded by the root system of waterplant 4, meanwhile, abundant and the biologic packing material 5 generation biological respinses of organic pollution materials in the sewage, when the sewage in the biologic packing material 5 reach a certain height, water level sensor 9 sends signal, the valve 62 at valve positioner 63 control water outlet headers 6 outlets 61 places is opened, like this, the water purification that purified flows among the water outlet distributing flue 3 of this filtering unit from 6 outlets 61 of water outlet header, current in water outlet distributing flue 3 also are subjected to being positioned at the absorption degraded of the waterplant 4 at water outlet distributing flue 3 tops, when the current of water outlet distributing flue 3 reach a certain height, with regard to upstream checkdam 1 top in the next filtering unit that overflow automatically, carry out further purifying treatment in the next filtering unit and enter, so, sewage is through the purifying treatment of a plurality of filtering units, at last, the current in the water outlet distributing flue 3 are exactly the water purification that has passed through abundant denitrogenation dephosphorizing in the most last filtering unit.

Claims

1, a kind of biological-ecological composite sewage water treatment tank, it is characterized in that: include a plurality of filtering units of arranging in turn, wherein each filtering unit comprises three by upstream checkdam (1), one side is by downstream checkdam (2) pond body that surrounds and the water outlet distributing flue (3) that is positioned at downstream checkdam (2) one sides, wherein, the height of downstream checkdam (2) is higher than upstream checkdam (1), and be disposed with waterplant (4) in the pond body of each filtering unit from top to bottom, biologic packing material (5) and water outlet header (6), the outlet (61) of this water outlet header (6) is stretched out in downstream checkdam (2) one sides and is connected with described water outlet distributing flue (3), and, in two adjacent filtering units, the water outlet distributing flue (3) in the previous filtering unit is adjacent with the upstream checkdam (1) of a back filtering unit.

2, biological-ecological composite sewage water treatment tank according to claim 1 is characterized in that: body bottom in described pond also has additional aerating apparatus (7).

3, biological-ecological composite sewage water treatment tank according to claim 1, it is characterized in that: described biologic packing material (5) top is provided with grid layer (8), be distributed with a plurality of permeable holes (81) and planting groove (82) on the described grid layer (8) equably, each planting groove (82) bottom has a plurality of through holes (83), and described waterplant (4) just is planted in the corresponding planting groove (82).

4, biological-ecological composite sewage water treatment tank according to claim 1 is characterized in that: the top of described water outlet distributing flue (3) also is provided with waterplant (4).

5, according to the described biological-ecological composite sewage water treatment tank of arbitrary claim in the claim 1 to 4, it is characterized in that: the outlet (61) of described water outlet header (6) locates to be provided with valve (62), this valve (62) is controlled its keying by a valve positioner (63), and, the upper position of part thereon of the pool wall of described pond body is provided with a water level sensor (9) that links to each other with described valve positioner (63), and described valve positioner (63) is according to the signal of this water level sensor (9) and the keying of by-pass valve control (62).

6, biological-ecological composite sewage water treatment tank according to claim 5 is characterized in that: described water level sensor (9) is provided with permeable division board (10) on every side and described biologic packing material (5) is kept apart.