CN208933079U - Catalytic oxidation and food chain reactor integrated form rainwater treatment device between gravel - Google Patents

Abstract

The utility model is catalytic oxidation and food chain reactor integrated form rainwater treatment device between gravel, including cabinet；Cabinet upper opening and inside by second baffle separates former and later two spaces；Space is divided into the first anaerobic zone positioned at right side and the first aerobic zone positioned at left side by first baffle afterwards；Front space from left to right passes through third baffle, fourth gear plate, fifth gear plate and separates as aerobic area, the second anaerobic zone, the second aerobic zone and exhalant region；The position difference of limbers setting on different baffles is convenient for making the S-type flowing of flowing water, first anaerobic zone, first aerobic zone, the aerobic area, second anaerobic zone, bottom is laid with gravel filling in second aerobic zone, the top of the gravel filling is laid with artificial plant root system, and artificial plant root system top is laid with upper layer plant.The utility model can shorten subsequent artefacts' wet land technique residence time, rainwater pollution removal rate be improved, to realize the collection and utilization of rainwater.

Description

Catalytic oxidation and food chain reactor integrated form rainwater treatment device between gravel

Technical field

The utility model relates to catalytic oxidation between device for treating rain water field more particularly to gravel and food chain reactor are integrated Formula rainwater treatment device.

Background technique

With the quickening of urbanization process, Urban Water Environment pollution aggravation.In recent years, China is dirty in effectively control point source After dye, quality of water environment not be improved significantly, especially city river water quality pollution aggravation, many urban water-bodies exist rich Nutrient laden and black smelly problem.With the propulsion that deepens continuously that water environment pollution is studied, researchers generally believe that pollution of area source is The main source of water environment pollution, and rainwater runoff pollution is primary pollution sources in city surface source pollution.Nowadays, city is waterproof Area is expanded rapidly, and raindrop wash away asphalt felt roofing, asphalt concrete road, waste and rain dirt pipeline through eluting air After sewage, sludge and rubbish of middle accumulation etc., it will carrying various pollutants, (such as a large amount of organic matter, suspends admittedly at heavy metal Body, pathogen etc.), if the rainfall runoff for carrying a large amount of pollutants is unprocessed to be quickly discharged into receiving water body, make its water body Water quality constantly deteriorates, and environment and landscape function are gradually lost.

Rain flood contamination control is the importance of " sponge city " construction.The restorations of the ecosystem measure such as artificial swamp in recent years Purifying rainwater has many advantages, such as that at low cost, secondary pollution is small, but high load capacity impact easily leads to Wetland ecological balance and destroys, is percolated system System blocking, seriously affects its processing capacity and service life.

Contact oxidation technology belongs to artificial ecological system between gravel, is a kind of new type water environment recovery technique, and principle is to pass through Artificial filling gravel, water pollutant react between gravel with the biofilm contact adhered on gravel, finally adsorb oxygen by biomembrane Change and decompose, so that water quality be made to be improved.

This patent is developed between a set of gravel based on catalytic oxidation and food chain reactor (FCR) efficient coupling biomembrane process Rainwater high-efficiency pretreatment integrating device, i.e., catalytic oxidation and food chain reactor integrated form rainwater treatment device between gravel solve Problem above mitigates the influences of the pollutional loads to subsequent wet land treating system such as SS, COD, mentions for promotion " sponge city " construction For technical guarantee.

Summary of the invention

The utility model is to overcome the above deficiency, provides catalytic oxidation and food chain reactor integrated form rainwater treatment between gravel Device, including cabinet；

Cabinet upper opening and inside by second baffle separates former and later two spaces；Space is divided into position by first baffle afterwards The first anaerobic zone in right side and the first aerobic zone positioned at left side；Front space from left to right pass through third baffle, fourth gear plate, Fifth gear plate is separated as aerobic area, the second anaerobic zone, the second aerobic zone and exhalant region；If the first baffle lower part offers Dry first limbers, the second baffle upper left corner are equipped with square breach, and it is logical that suffered third baffle middle and upper part is provided with several thirds Water hole, fourth gear plate lower part are provided with several 4th limbers, and the middle and upper part of fifth gear plate is provided with several 5th limbers；Difference gear The position difference of limbers setting on plate is convenient for making the S-type flowing of flowing water；

Space right upper portion is provided with water inlet pipe after cabinet, and cabinet front space right upper portion is provided with outlet pipe, cabinet front space A sludge pipe is respectively provided with the right side lower part in rear space；

It is laid with several first aeration conduits in first aerobic zone, several second aerations are laid in the second aerobic zone Conduit；Connect aerator outside the first aeration conduit 6 and the second aeration conduit 10；

It is first anaerobic zone, first aerobic zone, the aerobic area, second anaerobic zone, described second aerobic Bottom is laid with gravel filling in area, and the top of the gravel filling is laid with artificial plant root system, and the artificial plant Root system top is laid with upper layer plant.

Further, the first aeration conduit and the second aeration conduit are each provided with two.

Further, the first aeration conduit and the second aeration conduit are L-type stainless steel tube.

Preferably, the upper layer plant is cattail or reed.

Preferably, for the ease of the attachment of upper layer plant, the artificial plant root system is staple fibre.

Preferably, the gravel filling is not of uniform size.

Preferably, gravel filling partial size is 30~50mm, and porosity is about 35%, and gravel filling is with a thickness of 400mm.

Preferably, the cabinet, first baffle；Third baffle；Second baffle；Fourth gear plate；The material of fifth gear plate is Stainless steel.

Preferably, the water inlet pipe connection plastic flexible pipe and outer connection peristaltic pump formation water inlet system.

Preferably, the aerator is air compressor.

The beneficial effects of the utility model are:

Catalytic oxidation and food chain reactor integrated form rainwater treatment device between gravel described in the utility model, which can Shorten subsequent artefacts' wet land technique residence time, rainwater pollution removal rate is improved, to realize the collection and utilization of rainwater；It is one The efficient Rainfall runoff of kind and runoff pollution control device.

Detailed description of the invention

Fig. 1 is the overlooking structure diagram of the utility model；

Fig. 2 is the right view of the utility model；

Fig. 3 is the schematic diagram in A-A direction of Fig. 1；

Fig. 4 is the perspective view of the utility model cabinet and aeration tube；

Fig. 5 is the schematic perspective view of first baffle；

Fig. 6 is the schematic perspective view of second baffle；

Fig. 7 is the schematic perspective view of third baffle；

Fig. 8 is the schematic perspective view of fourth gear plate；

Fig. 9 is the schematic perspective view of fifth gear plate；

Figure 10 is the schematic perspective view of the first aeration conduit or the second aeration conduit；

Wherein: 1- water inlet pipe；2- outlet pipe；3- cabinet；The first anaerobic zone 4-；The first aerobic zone 5-；The aeration of 6- first is led Pipe；The aerobic area 7-；The second anaerobic zone 8-；The second aerobic zone 9-；10- second is aerated conduit；11- sludge pipe；12- gravel filling； The upper layer 13- plant；14- artificial plant root system；15- first baffle；16- third baffle；17- second baffle；18- fourth gear plate； 19- fifth gear plate.

Specific embodiment

It is described in detail below with reference to the embodiments of the present invention referring to attached drawing.

Catalytic oxidation and food chain reactor integrated form rainwater treatment device between gravel, including cabinet 3；

As shown in Figure 1 and Figure 4,3 upper opening of cabinet and internal former and later two spaces are separated by second baffle 17；Space afterwards It is divided into the first anaerobic zone 4 positioned at right side and the first aerobic zone 5 positioned at left side by first baffle 15；Front space is from left to right It is separated by third baffle 16, fourth gear plate 18, fifth gear plate 19 as aerobic area 7, the second anaerobic zone 8,9 and of the second aerobic zone Exhalant region；As shown in figure 5,15 lower part of first baffle offers several first limbers, as shown in fig. 6, the second gear 17 upper left corner of plate is equipped with square breach, as shown in fig. 7,16 middle and upper part of suffered third baffle is provided with several third limbers, such as Fig. 8 Shown, 18 lower part of fourth gear plate is provided with several 4th limbers, as shown in figure 9, the middle and upper part of fifth gear plate 19 is provided with several Five limbers；The position difference of limbers setting on different baffles is convenient for making the S-type flowing of flowing water；

Space right upper portion is provided with water inlet pipe 1 after cabinet 3, and 3 front space right upper portion of cabinet is provided with outlet pipe 2, before cabinet 3 The right side lower part in space and rear space is respectively provided with a sludge pipe 11；

It is laid with several first aeration conduits 6 in first aerobic zone 5, is laid with several second in the second aerobic zone 9 It is aerated conduit 10；Connect aerator outside the first aeration conduit 6 and the second aeration conduit 10；

As shown in figure 3, first anaerobic zone 4, first aerobic zone 5, the aerobic area 7, second anaerobic zone 8, bottom is laid with gravel filling 12 in second aerobic zone 9, and the top of the gravel filling 12 is laid with artificial plant Root system 14, and 14 top of artificial plant root system is laid with upper layer plant 13.

Further, the first aeration conduit 6 and the second aeration conduit 10 are each provided with two.

Further, the first aeration conduit 6 and the second aeration conduit 10 are L-type stainless steel tube.

Preferably, the upper layer plant 13 is cattail or reed.

Preferably, for the ease of the attachment of upper layer plant 13, the artificial plant root system 14 is staple fibre, and is wrapped in On support frame, support is provided for upper layer plant, while the effect of biofilm carrier being also provided.

Preferably, the gravel filling 12 is not of uniform size, and 12 partial size of gravel filling is 30~50mm, and porosity is about 35%, gravel filling provides carrier with a thickness of 400mm, for biomembrane.

Preferably, the cabinet 3, first baffle 15；Third baffle 16；Second baffle 17；Fourth gear plate 18；Fifth gear plate 19 material is stainless steel.

Preferably, the water inlet pipe 1 connects plastic flexible pipe and outer connection peristaltic pump forms water inlet system.

Preferably, the aerator is air compressor.

Principle and application method:

Because biomembrane needs sufficient biochemical nutritional ingredient, and suspended matter and sediment content are higher in rainfall runoff, can Biochemical is poor, and BOD/COD is only 0.05-0.2.Therefore, this patent determines contact oxidation technology and FCR skill between integrated gravel Art, catalytic oxidation realizes biological film process it is also possible to provide gravel support for upper layer plant between gravel；Upper layer root system of plant Effect can also contact biomembrane between gravel and provide nutrition, and can further reinforced phosphor-removing effect.

The patent is integrated with tank, peristaltic pump, water distributing area (high-efficiency cyclone separation separation water outlet enters), gravel filling Area, gathering ground, sludge discharging area, aerating system and plant species growing area.Water inlet system is formed using plastic flexible pipe connection peristaltic pump, simultaneously Flow of inlet water is controlled using peristaltic pump, whole device is divided into 6 areas, is followed successively by anaerobic-aerobic-and oxygen-anaerobic-aerobic-water distribution. Aerobic zone is laid with aerated conduit, carries out oxygenic aeration to simulator using mini air compressor, aeration head is worn by hose It crosses stainless steel transverse tube and extends aeration.Filling gravel filling partial size be 30~50mm, porosity is about 35%, gravel filling with a thickness of 400mm。

The equipment specific work process embodiment is as follows:

1) biofilm and starting

Biofilm and Starting mode are that one of the key factor of oxidative system runnability is contacted between influencing gravel.Comprehensively consider just The conditions such as phase Rainwater Quality, water temperature, this experimental design take natural membrane mode to start, can be with stable operation after biofilm success. Water inlet of water outlet of the initial rainwater after colleges and universities' cyclone separation device removes major part SS as this experimental provision.

2) it runs

Investigation by handling the device initial rainwater operating parameter is found, aeration zone (aerobic zone) and non-by adjusting Initial rainwater processing may be implemented in aeration zone (aerobic area and anaerobic zone) volumetric ratio, hydraulic detention time, influent flow rate distribution ratio Optimum condition.Raw water is delivered in tank through peristaltic pump, is entered by top, enters gravel filling area by water distributing area water distribution In anaerobic zone, subsequently into aerobic zone, aerobic area, anaerobic zone and aerobic zone.

Embodiment

Using this patent, the initial rainwater collected to certain municipal Storm Sewer Network storage pond abandoned stream is handled, the initial stage rain For water after cyclone separation device eddy flow, water quality situation is specific as follows: COD67.8mg/L, ammonia nitrogen 9.72mg/L, total phosphorus are 1.56mg/L, total nitrogen 18.24mg/L.Through this process, residence time 6h.After processing, effluent quality indices Removal rate is in 70% or more, respectively 18.0mg/L, ammonia nitrogen 9.72mg/L, total phosphorus 0.33mg/L, total nitrogen 4.89mg/ L。

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result, Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another It is described, in the description of the present invention, unless otherwise indicated, " multiple " " several " are meant that two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition State the concrete meaning of term in the present invention.

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill of the art For personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (9)

1. catalytic oxidation and food chain reactor integrated form rainwater treatment device between gravel, including cabinet (3)；It is characterized in that,

Cabinet (3) upper opening and inside pass through second baffle (17) and separate former and later two spaces；Space passes through first baffle afterwards (15) it is divided into the first anaerobic zone (4) positioned at right side and the first aerobic zone (5) positioned at left side；Front space from left to right passes through Three baffles (16), fourth gear plate (18), fifth gear plate (19) are separated as aerobic area (7), the second anaerobic zone (8), second aerobic Area (9) and exhalant region；First baffle (15) lower part offers several first limbers, second baffle (17) upper left corner Equipped with square breach, suffered third baffle (16) middle and upper part is provided with several third limbers, and fourth gear plate (18) is if lower part is provided with Dry 4th limbers, the middle and upper part of fifth gear plate (19) is provided with several 5th limbers；What the limbers on different baffles was arranged Position difference is convenient for making the S-type flowing of flowing water；

Space right upper portion is provided with water inlet pipe (1) cabinet (3) afterwards, and cabinet (3) front space right upper portion is provided with outlet pipe (2), case The right side lower part in body (3) front space and rear space is respectively provided with a sludge pipe (11)；

It is laid with several first aerations conduit (6) in first aerobic zone (5), several the are laid in the second aerobic zone (9) Two aerations conduit (10)；Connect aerator outside first aeration conduit (6) and the second aeration conduit (10)；

First anaerobic zone (4), first aerobic zone (5), the aerobic area (7), second anaerobic zone (8), described Second aerobic zone (9) interior bottom is laid with gravel filling (12), and the top of the gravel filling (12) is laid with artificial plant Root system (14), and the artificial plant root system (14) top is laid with upper layer plant (13).

2. catalytic oxidation and food chain reactor integrated form rainwater treatment device, feature between gravel according to claim 1 It is, first aeration conduit (6) and second aeration conduit (10) are each provided with two.

3. catalytic oxidation and food chain reactor integrated form rainwater treatment device, feature between gravel according to claim 2 It is, first aeration conduit (6) and second aeration conduit (10) are L-type stainless steel tube.

4. catalytic oxidation and food chain reactor integrated form rainwater treatment device, feature between gravel according to claim 3 It is, the upper layer plant (13) is cattail or reed.

5. catalytic oxidation and food chain reactor integrated form rainwater treatment device, feature between gravel according to claim 4 It is, the artificial plant root system (14) is staple fibre, and is wrapped on support frame.

6. catalytic oxidation and food chain reactor integrated form rainwater treatment device, feature between gravel according to claim 5 Be, the gravel filling (12) it is not of uniform size, gravel filling (12) partial size be 30~50mm, porosity is about 35%, gravel Hardcore is with a thickness of 400mm.

7. catalytic oxidation and food chain reactor integrated form rainwater treatment device, feature between gravel according to claim 6 It is, the cabinet (3), first baffle (15)；Third baffle (16)；Second baffle (17)；Fourth gear plate (18)；Fifth gear plate (19) material is stainless steel.

8. catalytic oxidation and food chain reactor integrated form rainwater treatment device, feature between gravel according to claim 7 It is, the water inlet pipe (1) connects plastic flexible pipe and outer connection peristaltic pump forms water inlet system.

9. catalytic oxidation and food chain reactor integrated form rainwater treatment device, feature between gravel according to claim 8 It is, the aerator is air compressor.