CN105693035A

CN105693035A - Rainwater purifying system

Info

Publication number: CN105693035A
Application number: CN201610219974.8A
Authority: CN
Inventors: 潘远东
Original assignee: Guangxi Yuda Water Processing Environmental Protection Engineering Co Ltd
Current assignee: Guangxi Yuda Water Processing Environmental Protection Engineering Co Ltd
Priority date: 2016-04-08
Filing date: 2016-04-08
Publication date: 2016-06-22

Abstract

The invention discloses a rainwater purifying system. The rainwater purifying system comprises a water inlet pipe, a settling pond, a multi-cell filter tank and a clean water tank. The multi-cell filter tank is communicated with the settling pond through a U-shaped pipe, and the clean water tank is communicated with the multi-cell filter tank through a water outlet pipe. The settling pond comprises a biological stuffing pre-oxidation treatment tank, a rough settling tank and a fine settling tank, and automatic mud valves are arranged below collection buckets which are arranged at the bottom of the settling pond. The multi-cell filter tank is internally provided with a quartz sand layer and clear water flow pipes penetratingly arranged in the quartz sand layer, an automatic control cabinet and an agent feeding device are arranged at the outer top of the multi-cell filter tank, the automatic control cabinet is connected with the automatic mud valves, and the agent feeding device is communicated with the water inlet pipe through a first connection pipe. The rainwater purifying system is excellent in rainwater purification effect, outputted water is clear, and water quality sanitary index is up to standard. In addition, agent cost saving, small land occupation and convenience in operation, maintenance and management are realized.

Description

A kind of rainwater purification system

Technical field

The present invention relates to technical field of sewage, particularly to a kind of rainwater purification system。

Background technology

At present, the shortage of water resource has become international problem, and when traditional water resources development mode cannot be further added by water source, recycling rainwater becomes a kind of not only economy but also practical water resources development mode。Rainwater, as the water resource of a kind of preciousness, has obtained the accreditation of whole world various countries。The rainwater of Collection utilization can replace tap water within the specific limits, to alleviate the shortage of city water resource, can alleviate the load of municipal sewage pipe network to a certain extent simultaneously。And rain water on roof pollution level is relatively light, processing cost is low, should be more the main object of our Collection utilization。

The external utilization to urban rainwater is very general with resource, and Application of Urban Rain Water is still in the starting stage by China。Part scientific research department and water process unit and the process of rainwater have been carried out certain research, define some and process technique and equipment, but the reason such as from want of experience, the problem such as there is process operation instability, treatment effect is bad, process equipment complex operation, difficult in maintenance。

Summary of the invention

The technical problem to be solved in the present invention is to provide a kind of high treating effect, goes out clarification of water, the rainwater purification system of hygienic quality qualified。

In order to solve above-mentioned technical problem, the technical scheme is that a kind of rainwater purification system, including the water inlet pipe for importing rainwater from rainwater collection pool and the sedimentation tank that connects with described water inlet pipe, and pass through many lattice filter tank that a U-tube connects with described sedimentation tank, and by the clear water reserviors that outlet pipe connects with described many lattice filter tank, described sedimentation tank includes:

Biologic packing material pre-oxidation treatment pond, connects with described water inlet pipe, is provided with suspended biological filler ball in described biologic packing material pre-oxidation treatment pond；

Thick sedimentation tank, connects with described biologic packing material pre-oxidation treatment pond, for being precipitated out in advance by the bulky grain thing in rainwater；

Thin sedimentation tank, connect with described thick sedimentation tank, for the small particle in rainwater is precipitated out, described thin sedimentation tank is internally provided with honeycomb inclined-tube, water leg and distributor box, described water leg, distributor box are arranged at the top of described honeycomb inclined-tube, described water leg, distributor box are interconnected, and described distributor box connects with described U-tube

Being provided with collection bucket bottom described sedimentation tank, be used for collecting size particles thing, described collection bucket is provided below automatic mud removing valve, is used for discharging size particles thing,

Described many lattice filter tank is internally provided with quartz sand layer and punctures the clear water runner pipe in described quartz sand layer, the outer top in described many lattice filter tank is provided with automatic control cabinet, described automatic control cabinet is connected with described automatic mud removing valve, for controlling described automatic mud removing valve, the outer top in described many lattice filter tank is additionally provided with medicament addition device, and described medicament addition device is connected with described water inlet pipe by the first connecting tube。

Further, also including jet water-gas mixer, described jet water-gas mixer one end connects with described water inlet pipe, and the other end connects with described biologic packing material pre-oxidation treatment pond, and is in communication with the outside。

Further, also including disinfector, described disinfector is arranged at the outer top in described many lattice filter tank, is connected with described outlet pipe by the second connecting tube。

Further, described quartz sand layer is provided above down bucket and baffle plate, and described baffle plate is positioned at the described neck of falling quarrel place。

Further, being provided with siphon between described many lattice filter tank and described clear water reserviors, described siphon connects with described bucket。

Further, described water inlet pipe being provided with booster pump and water quality testing meter, described booster pump, water quality testing meter are all connected with described automatic control cabinet, are controlled by described automatic control cabinet。

Further, described water quality testing meter includes turbidity detector, PH value detector, flow detector。

Further, described outlet pipe being provided with turbidity instrument, described turbidity instrument is connected with described automatic control cabinet, is controlled by described automatic control cabinet。

Further, described honeycomb inclined-tube is 60 ° or 120 ° with the gradient of horizontal plane。

Further, described honeycomb inclined-tube thickness is 0.5-1.5mm, adopts macromolecular material to make。

Compared with prior art, the invention have the benefit that

1, biologic packing material pre-oxidation treatment pond and jet water-gas mixer are set in rainwater purification system forward part, inside biologic packing material pre-oxidation treatment pond, suspended biological filler ball is set, enough oxygen is brought by jet water-gas mixer, making aerobe flourish on suspended biological filler ball, utilizing continuous metabolic aerobe to reduce the organic pollution in rainwater, thus reducing oxygen consumption, reduce the stink in rainwater, good purification, goes out clarification of water, hygienic quality qualified。

2, rainwater purification system arranges thick sedimentation tank and thin sedimentation tank, larger particles is precipitated out by thick sedimentation tank in advance, precipitate for the honeycomb inclined-tube in thin sedimentation tank and lighten the load, adopt collection bucket and the automatic mud removing valve of honeycomb inclined-tube water conservancy diversion and waterpower plug-flow, make unnecessary body refuse rapid precipitation under the effect of high concentration inclined tube Accelerated subsidence collection mud system, adopt 60 ° of fin inclined tubes of uniqueness simultaneously, the macromolecule PP material that inclined tube adopts sheet thickness to be 1mm, processed by mold pressing, hot forming and bonding, there is intensity big, the not easily feature such as aging, reach the material standard of food stage water。

3, rainwater purification system forms integration apparatus, the control of coagulating, tube settling, quartz sand filtration, instrument, chemicals dosing plant, disinfector etc. are arranged on an equipment, only need to connect water inlet pipe and outlet pipe gets final product work, save reagent cost, make coagulation effect better, taking up an area province, operational management is convenient simultaneously。

Accompanying drawing explanation

Fig. 1 is the structural representation of the rainwater purification system of the embodiment of the present invention。

In figure, 1-water collecting pit, 2-booster pump, 3-water quality testing meter, 4-jet water-gas mixer, 5-biologic packing material pre-oxidation treatment pond, the thick sedimentation tank of 6-, 7-collection bucket, 8-honeycomb inclined-tube, 9-water leg, 10-U shape pipe, 11-falls to struggle against, 12-quartz sand layer, 13-clear water runner pipe, the 14-Graceful mouth of a river, 15-siphon, 16-medicament addition device, 17-automatic control cabinet, 18-disinfector, 19-turbidity instrument, 20-clear water reserviors, 21-water inlet pipe, 22-distributor box, 23-many lattice filter tank, 24-outlet pipe, 25-sedimentation tank, the thin sedimentation tank of 26-, 27-the second connecting tube, 31-flow detector, 32-Turbidity measurement instrument, 33-PH value detector, 51-suspended biological filler ball, 71-automatic mud removing valve, 111-baffle plate, 160-the first connecting tube。

Detailed description of the invention

Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further。At this it should be noted that be adapted to assist in for the explanation of these embodiments and understand the present invention, but it is not intended that limitation of the invention。As long as just can be mutually combined additionally, technical characteristic involved in each embodiment of invention described below does not constitute conflict each other。

Fig. 1 is the structural representation of the rainwater purification system of the embodiment of the present invention, refer to Fig. 1, and this rainwater purification system includes water inlet pipe 21, and water inlet pipe 21 for importing rainwater in rainwater collection pool 1；Sedimentation tank 25, connects with water inlet pipe 21；Many lattice filter tank 23, is connected with sedimentation tank 25 by a U-tube 10；Clear water reserviors 20, are connected with many lattice filter tank 23 by outlet pipe 24。

Sedimentation tank 25 includes: biologic packing material pre-oxidation treatment pond 5, connects with water inlet pipe 21, is provided with suspended biological filler ball 51 in biologic packing material pre-oxidation treatment pond 5；Thick sedimentation tank 6, connects with biologic packing material pre-oxidation treatment pond 5, for the bulky grain thing in rainwater is precipitated out in advance, and the alumen ustum of such as larger particles；Thin sedimentation tank 26, connects with thick sedimentation tank 6, for being precipitated out by the short grained alumen ustum in rainwater。Thin sedimentation tank 26 is internally provided with honeycomb inclined-tube 8, water leg 9 and distributor box 22, and water leg 9, distributor box 22 are arranged at the top of honeycomb inclined-tube 8, and water leg 9, distributor box 22 are interconnected, and distributor box 22 connects with U-tube 10。The gradient of honeycomb inclined-tube 8 and horizontal plane is 60 ° or 120 °, and honeycomb inclined-tube thickness is 0.5-1.5mm, optimum selection 1mm, and adopts macromolecule PP material to make。

Being provided with collection bucket 7 bottom sedimentation tank 25, collection bucket 7 has multiple, and for collecting the alumen ustum of the size particles shape precipitated from thick sedimentation tank 6, thin sedimentation tank 26, collection bucket 7 is provided below automatic mud removing valve 71, for being discharged by the alumen ustum of size particles shape。

Many lattice filter tank 23 is internally provided with quartz sand layer 12, and quartz sand layer 12 is exquisite quartz sand layer, is additionally provided with and punctures the clear water runner pipe 13 in this quartz sand layer 12, and clear water runner pipe 13 is symmetricly set in the two ends of quartz sand layer 12。The external topside position in many lattice filter tank 23 is provided with automatic control cabinet 17, and automatic control cabinet 17 is connected with automatic mud removing valve 71, for controlling the duty of automatic mud removing valve 71。The external topside position in many lattice filter tank 23 is additionally provided with medicament addition device 16, and medicament addition device 16 is connected with water inlet pipe 21 by the first connecting tube 160。Quartz sand layer 12 is provided above down bucket 11 and baffle plate 111, and baffle plate 111 is positioned at down the mouth neck place of bucket 11。

This rainwater purification system also includes jet water-gas mixer 4, and jet water-gas mixer 4 one end connects with water inlet pipe 21, and the other end connects with biologic packing material pre-oxidation treatment pond 5, and is in communication with the outside。Also including disinfector 18, disinfector 18 is arranged at the external topside position in many lattice filter tank 23, with medicament addition device 16, automatic control cabinet 17 side by side。Disinfector 18 is connected with outlet pipe 24 by the second connecting tube 27。Being provided with siphon 15 between many lattice filter tank 23 and clear water reserviors 20, siphon 15 connects with bucket 11。

Being provided with booster pump 2 and water quality testing meter 3 on water inlet pipe 21, booster pump 21, water quality testing meter 3 are all connected with automatic control cabinet 17, and cabinet 17 under automated control controls。In the present invention, water quality testing meter 3 includes turbidity detector 32, PH value detector 33, flow detector 31。Being provided with turbidity instrument 19 on outlet pipe 24, turbidity instrument 19 is connected with automatic control cabinet 17, and cabinet 17 under automated control controls。

Rainwater is collected in the rainwater-collecting fields such as above-mentioned rainwater purification system purifying rainwater process is such that in arid area, industrial working, scenic spot, charge station。Rainwater-collecting approach can be road, eaves, lawn etc.。The rainwater collected is introduced into stormwater channel, arranges abandoned stream defecator, tentatively remove the solid matters such as fallen leaves, bulky grain thing, float before stormwater channel to rainwater-collecting house steward。

After rainwater is imported rainwater collection pool 1 from rainwater-collecting house steward, after promoting rainwater pressure by booster pump 2, flow detector 31 on water inlet pipe 21, turbidity detector 32, the PH value detector 33 flow to rainwater, turbidity, pH value is monitored in laggard incident flow gas-water mixer 4, meanwhile, medicament addition device 16 puts into medicament, medicament enters in water inlet pipe 21 by the first connecting tube 160, under the pressure effect of booster pump 2, medicament and rainwater are mixed in jet gas-water mixer 4, owing to jet gas-water mixer 4 is in communication with the outside, jet gas-water mixer 4 is brought substantial amounts of air into and is come in, make medicament quickly stir with rainwater mix after enter biologic packing material pre-oxidation treatment pond 5。Rainwater is when collecting through large area, seriously polluted due to ground, organic pollution is many, oxygen consumption increases, biologic packing material pre-oxidation treatment pond 5 is set up separately in rain processing system front portion, and suspended biological filler ball 51 is set inside biologic packing material pre-oxidation treatment pond 5, jet gas-water mixer 4 brings enough oxygen, make aerobe flourish on suspended biological filler ball 51, continuous metabolic aerobe is utilized to reduce the organic pollution in rainwater, thus reducing oxygen consumption, reduce stink etc., good purification, go out clarification of water, hygienic quality qualified。

Later use " water speed baffling+current stabilization " double reaction, strengthening medicament reacts with the mixed flocculation of rainwater again, then enters back into thick sedimentation tank 6 and carries out preformed precipitate, is precipitated out in advance by the alumen ustum of larger particles, alleviates precipitation load for rear class sedimentation tank。When the water through thick precipitation arrives thin sedimentation tank 26, the alumen ustum that in water, granule is less stops on honeycomb inclined-tube 8 surface, contact, collides, form oarse-grained alumen ustum body, precipitating from water rapidly by own wt and discharge, overwhelming majority float and colloid are retained down and effectively remove in this workshop section。Mud, float and colloid are deposited in the collection bucket 7 bottom sedimentation tank 25, by being discharged to 71, outer automatic mud removing valve。Automatic mud removing valve 71 grade is by automatic control cabinet 17 centralized Control。The mud discharged can be used as green plants and irrigates use。

Water after precipitation is then entered in distributor box 22 by the water leg 9 on thin sedimentation tank 26 top, water is uniformly allocated and flows in follow-up many lattice filter tank 23 through U-tube 10 carrying out gravity filter by distributor box 22: first pass through down bucket 11 and baffle plate 111 carries out the water distribution uniformity of filtering layer, impurity float remaining after utilizing quartz sand layer 12 to retain precipitation water outlet, water is made to reach to remove the purpose of turbidity, colourity, delivery turbidity reaches≤1NTU, and bottom filtering layer, water outlet is clear water。Clear water rises to the clear water zone on quartz sand layer 12 top by clear water runner pipe 13, then flow to outlet pipe 24 from the Graceful mouth of a river 14 and enter in clear water reserviors 20 after turbidity instrument 19 monitors quantity。Subsequent treatment needs to utilize disinfector 18 to add disinfectant clear water to be carried out disinfection sterilization processing, conscientiously ensure the quality of recycle-water。Arranging 11 and the baffle plate 111 water distribution form of struggling against of falling of uniqueness, water disperses from surrounding, water distribution uniform and stable, and almost without dead angle, during backwash, water loss is few, maximum from water consumption rate≤4%, usually≤2%。

Rainwater collection pool 1 is set, is used for storing rainwater, carry out flow adjustment；Carry out the inorganic particles such as preliminary solid-liquid separation, the silt in removal rainwater, rainwater is carried out initial gross separation process。Two set medicine systems are set, on-demand add two kinds of medicaments, one be throw alkali, one is flocculant, cracks rainwater complicated ingredient, regulates pH value, electrically arranges frequency conversion simultaneously and adds, and saves reagent cost so that coagulation effect is better。

For the ease of management, installing, save and take up an area, medicament addition device 16, automatic control cabinet 17, disinfector 18 are installed on top, many lattice filter tank 23, and arrange upper and lower cat ladder and facilitate repair and maintenance。Quartz sand layer 12 filters and arranges water automatic back-flushing device, namely when quartz sand layer 12 just puts into operation, filter material layer relatively cleans, resistance is little, but after running to the regular hour due to filter material layer in the increasing gradually of absorption and the solid particle polluter that retains, loss of flood peak resistance is consequently increased, water level just slowly raises along siphon 15, when being raised to peak, take away air and form siphon, clear water flows downward at most bottom lattice filter tank 23 from the clear water zone on quartz sand layer 12 top along clear water runner pipe 13, from bottom many lattice filter tank 23 to lower and upper backwash quartz sand, backwash draining by siphon 15 device for transferring outside。After backwash lasts general 5min, clear water zone water level decreasing is automatically stopped backwash after breakdown point, after backwash completes, automatically engages operation。Efficiently, Novel rainwater cleaning system, there is rainwater-collecting wide, do not affected by multiple pollutant, plant area, scenic spot, community, rural area etc. all can use, and have the features such as efficient, stable, quick, accurate, energy-conservation, effluent quality is good。

In sum, the rainwater purification system of the present invention arranges biologic packing material pre-oxidation treatment pond and jet water-gas mixer in forward part, inside biologic packing material pre-oxidation treatment pond, suspended biological filler ball is set, enough oxygen is brought by jet water-gas mixer, make aerobe flourish on suspended biological filler ball, continuous metabolic aerobe is utilized to reduce the organic pollution in rainwater, thus reducing oxygen consumption, reduce the stink in rainwater, good purification, go out clarification of water, hygienic quality qualified。

Rainwater purification system arranges thick sedimentation tank and thin sedimentation tank, larger particles is precipitated out by thick sedimentation tank in advance, precipitate for the honeycomb inclined-tube in thin sedimentation tank and lighten the load, adopt collection bucket and the automatic mud removing valve of honeycomb inclined-tube water conservancy diversion and waterpower plug-flow, make unnecessary body refuse rapid precipitation under the effect of high concentration inclined tube Accelerated subsidence collection mud system, adopt 60 ° of fin inclined tubes of uniqueness simultaneously, the macromolecule PP material that inclined tube adopts sheet thickness to be 1mm, processed by mold pressing, hot forming and bonding, there is intensity big, the not easily feature such as aging, reach the material standard of food stage water。

Rainwater purification system forms integration apparatus, the control of coagulating, tube settling, quartz sand filtration, instrument, chemicals dosing plant, disinfector etc. are arranged on an equipment, only need to connect water inlet pipe and outlet pipe gets final product work, save reagent cost, make coagulation effect better, taking up an area province, operational management is convenient simultaneously。

Above in association with accompanying drawing, embodiments of the present invention are explained in detail, but the invention is not restricted to described embodiment。For a person skilled in the art, when without departing from the principle of the invention and spirit, these embodiments are carried out multiple change, amendment, replacement and modification, still falls within protection scope of the present invention。

Claims

1. a rainwater purification system, it is characterized in that: include the water inlet pipe for importing rainwater from rainwater collection pool and the sedimentation tank connected with described water inlet pipe, and pass through many lattice filter tank that a U-tube connects with described sedimentation tank, and by the clear water reserviors that outlet pipe connects with described many lattice filter tank, described sedimentation tank includes:

2. rainwater purification system according to claim 1, it is characterised in that: also including jet water-gas mixer, described jet water-gas mixer one end connects with described water inlet pipe, and the other end connects with described biologic packing material pre-oxidation treatment pond, and is in communication with the outside。

3. rainwater purification system according to claim 1, it is characterised in that: also including disinfector, described disinfector is arranged at the outer top in described many lattice filter tank, is connected with described outlet pipe by the second connecting tube。

4. rainwater purification system according to claim 1, it is characterised in that: described quartz sand layer is provided above down bucket and baffle plate, and described baffle plate is positioned at the described neck of falling quarrel place。

5. rainwater purification system according to claim 4, it is characterised in that: being provided with siphon between described many lattice filter tank and described clear water reserviors, described siphon connects with described bucket。

6. rainwater purification system according to claim 1, it is characterised in that: being provided with booster pump and water quality testing meter on described water inlet pipe, described booster pump, water quality testing meter are all connected with described automatic control cabinet, are controlled by described automatic control cabinet。

7. rainwater purification system according to claim 6, it is characterised in that: described water quality testing meter includes turbidity detector, PH value detector, flow detector。

8. rainwater purification system according to claim 1, it is characterised in that: being provided with turbidity instrument on described outlet pipe, described turbidity instrument is connected with described automatic control cabinet, is controlled by described automatic control cabinet。

9. rainwater purification system according to claim 1, it is characterised in that: the gradient of described honeycomb inclined-tube and horizontal plane is 60 ° or 120 °。

10. rainwater purification system according to claim 9, it is characterised in that: described honeycomb inclined-tube thickness is 0.5-1.5mm, adopts macromolecular material to make。