CN204265600U - For the artificial rapid infiltration system of petrol station bunker sewage disposal - Google Patents
For the artificial rapid infiltration system of petrol station bunker sewage disposal Download PDFInfo
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- CN204265600U CN204265600U CN201420490034.9U CN201420490034U CN204265600U CN 204265600 U CN204265600 U CN 204265600U CN 201420490034 U CN201420490034 U CN 201420490034U CN 204265600 U CN204265600 U CN 204265600U
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- filter plate
- rapid infiltration
- artificial rapid
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- sewage
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Abstract
The utility model provides a kind of artificial rapid infiltration system being specially adapted for the sewage disposal of petrol station bunker, this artificial rapid infiltration system adopts canister to carry out preliminary oil strain process to sewage, significantly reduce and be discharged into the greasy dirt content of sewage in artificial rapid infiltration pool, avoid artificial rapid infiltration pool blocked cause needing frequent back flushing; The filter mechanism of canister comprise can close to each other/away from upper filter plate and lower filter plate, be filled with the elasticity filtering bodies of oleophilic drainage between upper filter plate and lower filter plate, flushing process does not need to carry out significantly dismounting to connecting tube, and backwash process is simple and convenient; In addition, native system was also set up biochemical treatment tank and is carried out biochemical treatment to sewage before sewage injects artificial rapid infiltration pool, effectively can remove element and the easily biodegradable organics such as nitrogen, phosphorus in sewage, ensure that wastewater purifying efficiency.
Description
Technical field
The utility model relates to the dirty water decontamination handles technical field, particularly a kind of artificial rapid infiltration system for the sewage disposal of petrol station bunker.
Background technology
Along with the process of industrialization and urbanization, local all auxiliary constructions are needed to have bunker for storing, supplying oil or petrol station, these bunkers or petrol station are because the needs of cleaning etc. can produce large amount of sewage, not only containing a large amount of greasy dirts in these sewage, and containing element and the easily biodegradable organics such as nitrogen, phosphorus brought into by washing composition, these sewage obviously can not directly enter in natural stream networks, need could discharge after suitable purifying treatment.
A kind of sewage purification system that current petrol station or bunker use is the oil removing system adopting the specialties such as air supporting choosing, cyclone filter, water-and-oil separator, these systems can effectively except the oil content in decontaminated water, but cannot the element such as denitrification, phosphorus and easily biodegradable organics be removed, and the sewage discharge of petrol station or bunker is intermittent discharge, the equipment operation cost adopting these to be persistence drainage designs is higher, therefore, the sewage purification system that petrol station or bunker are commonly used is filtered to artificial rapid infiltration system (CRI system) at sewage discharge, artificial rapid infiltration system is on the basis of rapid infiltration system, fill the CRI medium that penetrating quality is good, adopt the drive manner of alternation of wetting and drying, the microbial film that enriches utilizing filter material surface to grow carries out physical and chemical adsorption and biological degradation to the pollution substance in sewage, but also there are some great drawback in this system: the degradation capability of (1) artificial rapid infiltration system to oil is limited, oil in sewage can be attached on the filler of rapid infiltration system, because the oil content in sewage is larger, therefore artificial rapid infiltration system can be caused to block, therefore constantly property back flushing and airing (guaranteeing content of microorganisms) are carried out to rapid infiltration system, and rapid infiltration system back flushing difficulty greatly and very consuming time, thus cause overall purification efficiency low, purification cost is higher, (2) artificial rapid infiltration system can be degraded to materials such as ammonia nitrogens, but is but difficult to effective degraded for the element such as nitrogen, phosphorus and easily biodegradable organics, and therefore decontamination effect improving is not good.
Summary of the invention
The purpose of this utility model is avoid above-mentioned weak point of the prior art and provide a kind of specific aim to be applicable to the artificial rapid infiltration system of petrol station bunker sewage disposal, it is easily back flushing not only, and can effectively remove the element such as nitrogen, phosphorus and easily biodegradable organics.
The purpose of this utility model is achieved through the following technical solutions:
Provide a kind of artificial rapid infiltration system for the sewage disposal of petrol station bunker, comprise the grating tank connected successively via pipeline, preliminary sedimentation tank, canister, biochemical treatment tank and artificial rapid infiltration pool, described canister comprises tank body and is arranged at the filter mechanism in the middle part of tank inner chamber, described tank body upper end is provided with and the water outlet of settling tank is imported entering penstock and being used for the drain tap of gas discharge in tank in tank body, lower end is provided with and the water in tank body is exported to the flowing water Valve of biochemical treatment tank and the air intake valve to injecting gas in tank, side arranges the flushing valve be communicated with described filter mechanism, described filter mechanism comprises filter plate and lower filter plate, described upper filter plate and described lower filter plate under external force drives close to each other or away from, described upper filter plate week edge and week of lower filter plate along being all connected to inner tank wall, the elasticity filtering bodies of oleophilic drainage is filled with between described upper filter plate and lower filter plate.
Wherein, described lower filter plate is fixed on the lower end of described tank body, and described tank body upper end is provided with transmission rig, and described transmission rig is connected with described upper filter plate to drive the vertically to-and-fro movement of described upper filter plate.
Wherein, above described upper filter plate, be provided with water distributing tray, described water distributing tray through pipeline with enter penstock and be connected.
Wherein, be provided with water-collecting tray below described lower filter plate, described water-collecting tray is connected with flowing water Valve through pipeline.
Wherein, described biochemical treatment tank comprises the anaerobic pond, anoxic pond, Aerobic Pond and the settling tank that are connected successively.
Wherein, the described artificial rapid infiltration pool filter layer that comprises bed course, be arranged at the inverted filter above described bed course and be arranged at above described inverted filter.
Wherein, described inverted filter fill from top to bottom particle gradually by carefully thicker pebbles.
Wherein, described filter layer is filled with common fillers and particular fillers, and described general common fillers is natural sand, and described particular fillers is mixed by limestone sand, zeolite sand and magnetic sand.
The beneficial effects of the utility model: the utility model provides a kind of artificial rapid infiltration system being specially adapted for the sewage disposal of petrol station bunker, this artificial rapid infiltration system adopts canister to carry out preliminary oil strain process to sewage, significantly reduce and be discharged into the greasy dirt content of sewage in artificial rapid infiltration pool, avoid that artificial rapid infiltration pool is blocked causes frequent back flushing, the filter mechanism of canister comprise can close to each other/away from upper filter plate and lower filter plate, the elasticity filtering bodies of oleophilic drainage is filled with between upper filter plate and lower filter plate, at normal filtration stage, only need filter plate and lower filter plate close to each other to compress elasticity filtering bodies, guarantee the oil strain performance of elasticity filtering bodies, effluent stream after filtration mechanism time greasy dirt by filtering, when greasy dirt overstock certain phase need back flushing time, only need the upper filter plate of order and lower filter plate mutually away from loose to make to fluff between elasticity filtering bodies, then from flushing valve, pour into clean-out system effectively to rinse filter mechanism, closedown drain tap after flushing completes also opens inlet valve, be filled with high pressure gas from charging valve the punching of flushing sewage to be discharged from inlet valve, reach the effect of back flushing, flushing process does not need to carry out significantly dismounting to connecting tube, and backwash process is simple and convenient, in addition, native system was also set up biochemical treatment tank and is carried out biochemical treatment to sewage before sewage injects artificial rapid infiltration pool, effectively can remove element and the easily biodegradable organics such as nitrogen, phosphorus in sewage, ensure that wastewater purifying efficiency.
Accompanying drawing explanation
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in accompanying drawing does not form any restriction of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the following drawings.
Fig. 1 is the structural representation of the utility model for the artificial rapid infiltration system of petrol station bunker sewage disposal.
Fig. 2 is the structural representation of the utility model for the canister of the artificial rapid infiltration system of petrol station bunker sewage disposal.
Include in fig. 1 and 2:
1---grating tank, 2---preliminary sedimentation tank, 3---canister, 31---tank body, 32---enter penstock, 33---drain tap, 34---flowing water Valve, 35---air intake valve, 36---flushing valve, 37---upper filter plate, 38---lower filter plate, 39---elasticity filtering bodies, 310---transmission rig, 311---water distributing tray, 312---water-collecting tray, 4---biochemical treatment tank, 41---anaerobic pond, 42---anoxic pond, 43---Aerobic Pond, 44---settling tank, 5---artificial rapid infiltration pool.
Embodiment
With the following Examples the utility model is further described.
The utility model is used for the embodiment of the artificial rapid infiltration system of petrol station bunker sewage disposal, as shown in Figure 1, comprise: the grating tank 1 connected successively via pipeline, preliminary sedimentation tank 2, canister 3, biochemical treatment tank 4 and artificial rapid infiltration pool 5, sewage passes through successively: grating tank 1 filters out large-scale foreign material, preliminary sedimentation tank 2 precipitation goes large-scale particulate matter, canister 3 elimination major part greasy dirt, biochemical treatment tank 4 is degraded the nitrogen in decontaminated water, the elements such as phosphorus and easily biodegradable organics, artificial rapid infiltration pool 5 removes the impurity in sewage further, organism and ammonia nitrogen, the links of native system removes the various compositions in petrol station bunker sewage targetedly, make wastewater purifying efficiency better, in addition, canister 3 pairs of sewage carry out preliminary oil strain process, significantly reduce that to be discharged in artificial rapid infiltration pool 5 be the greasy dirt content of sewage, avoid artificial rapid infiltration pool 5 blocked so that need frequent back flushing, improve purification efficiency, reduce purification cost.
As shown in Figure 2, the filter mechanism that described canister 3 comprises tank body 31 and is arranged in the middle part of tank body 31 inner chamber, described tank body 31 upper end is provided with and the water outlet of settling tank 44 is imported entering penstock 32 and being used for the drain tap 33 of gas discharge in tank in tank body 31, lower end is provided with the flowing water Valve 34 that the water in tank body 31 exported to biochemical treatment tank 4 and the air intake valve 35 to injecting gas in tank, side arranges the flushing valve 36 be communicated with described filter mechanism, filter mechanism comprises filter plate 37 and lower filter plate 38, lower filter plate 38 is fixed on the lower end of described tank body 31, tank body 31 upper end is provided with transmission rig 310, this transmission rig 310 is connected with upper filter plate 37 to drive the vertically to-and-fro movement of described upper filter plate 37, with make upper filter plate 37 can close/away from lower filter plate 38, upper filter plate 37 week edge and week of lower filter plate 38 along being all connected to tank body 31 inwall, the elasticity filtering bodies 39 of oleophilic drainage is filled with between upper filter plate 37 and lower filter plate 38, as high-density polypropylene foam, polyurethane foam, polyester foam, polyvinyl chloride foam etc.
At normal filtration stage, transmission rig 310 drive upper filter plate 37 press down to make filter plate 37 and lower filter plate 38 close to each other, thus compress elasticity filtering bodies 39, make to become consolidation between elasticity filtering bodies 39, guarantee the oil strain performance of elasticity filtering bodies 39, effluent stream after filtration mechanism time greasy dirt by filtering, when greasy dirt overstock certain phase need back flushing time, emptying inner sewage also closes the flowing water Valve 34 of canister 3, open gas in vent valve determination tank can be discharged, transmission rig 310 drives upper filter plate 37 to rise, upper filter plate 37 and lower filter plate 38 mutually away from, elasticity filtering bodies 39 becomes loose, from flushing valve 36, pour into clean-out system effectively to rinse filter mechanism, closedown drain tap 33 after flushing completes also opens inlet valve, high pressure gas are filled with from charging valve, air pressure is utilized to discharge rinsing the sewage punching produced from inlet valve, reach the effect of back flushing, compared with needing frequent back flushing artificial rapid infiltration pool 5 with prior art, the main back flushing work of this technology concentrates on canister 3, as can be seen from the working process of canister 3, the backwash process of canister 3 does not need to carry out significantly dismounting to connecting tube, backwash process is simple and convenient, therefore effectively can improve wastewater purification efficiency, reduce sewage purification cost.
In addition, above the upper filter plate 37 of canister 3, be provided with water distributing tray 311, water distributing tray 311 through pipeline with enter penstock 32 and be connected, by entering on the dispersed supreme filter plate 37 of sewage that penstock 32 imports, improve the filter effect of tourism organization; Be provided with water-collecting tray 312 below lower filter plate 38, described water-collecting tray 312 is connected with flowing water Valve 34 through pipeline.
Further, described biochemical treatment tank 4 comprises the anaerobic pond 41, anoxic pond 42, Aerobic Pond 43 and the settling tank 44 that are connected successively.General, anaerobic pond 41 residence time is 2h; Anoxic pond 42 residence time is 4h; Aerobic Pond 43 residence time is 10h; Anaerobic pond 41 and anoxic pond 42 are built with diving mixer, and Aerobic Pond 43 is built with micro-hole aerator; Aerobic Pond 43 water outlet enters settling tank 44 by pipeline connection.By utilizing anaerobism, anoxic, the degraded of aerobic three kinds of agent complex can effectively make a price reduction the element such as nitrogen, phosphorus and easily biodegradable organics.
Artificial rapid infiltration pool 5 comprises bed course, the filter layer being arranged at the inverted filter above described bed course and being arranged at above described inverted filter, described inverted filter fill from top to bottom particle gradually by carefully thicker pebbles, grain diameter is progressively transitioned into 20mm from 3mm, described filter layer is filled with common fillers and particular fillers, described general common fillers is natural sand, the selected standard of natural sand is nonuniform coefficent Cu value < 5.0, the particle percentage composition < 5% of particle diameter < 0.075mm, described particular fillers is by limestone sand, zeolite sand and magnetic sand mix.Bed course filler is general rubble or gravel cobble, and particle diameter is generally 30-40mm.Owing to having inverted filter, therefore can guarantee to cause blocking can not enter in bed course the particle of filter layer during artificial rapid infiltration pool 5 back flushing at artificial rapid infiltration pool 5.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model; but not the restriction to the utility model protection domain; although done to explain to the utility model with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical solution of the utility model or equivalent replacement, and not depart from essence and the scope of technical solutions of the utility model.
Claims (7)
1. for the artificial rapid infiltration system of petrol station bunker sewage disposal, it is characterized in that: comprise the grating tank connected successively via pipeline, preliminary sedimentation tank, canister, biochemical treatment tank and artificial rapid infiltration pool, described canister comprises tank body and is arranged at the filter mechanism in the middle part of tank inner chamber, the upper end of described tank body is provided with and the water outlet of settling tank is imported entering penstock and being used for the drain tap of gas discharge in tank in tank body, the lower end of described tank body is provided with and the water in tank body is exported to the flowing water Valve of biochemical treatment tank and the air intake valve to injecting gas in tank, the side of described tank body arranges the flushing valve be communicated with described filter mechanism, described filter mechanism comprises filter plate and lower filter plate, described upper filter plate and described lower filter plate under external force drives close to each other or away from, described upper filter plate week edge and week of lower filter plate along being all connected to inner tank wall, the elasticity filtering bodies of oleophilic drainage is filled with between described upper filter plate and lower filter plate.
2. as claimed in claim 1 for the artificial rapid infiltration system of petrol station bunker sewage disposal, it is characterized in that: described lower filter plate is fixed on the lower end of described tank body, described tank body upper end is provided with transmission rig, and described transmission rig is connected with described upper filter plate to drive the vertically to-and-fro movement of described upper filter plate.
3., as claimed in claim 1 for the artificial rapid infiltration system of petrol station bunker sewage disposal, it is characterized in that: above described upper filter plate, be provided with water distributing tray, described water distributing tray through pipeline with enter penstock and be connected.
4., as claimed in claim 1 for the artificial rapid infiltration system of petrol station bunker sewage disposal, it is characterized in that: be provided with water-collecting tray below described lower filter plate, described water-collecting tray is connected with flowing water Valve through pipeline.
5. as claimed in claim 1 for the artificial rapid infiltration system of petrol station bunker sewage disposal, it is characterized in that: described biochemical treatment tank comprises the anaerobic pond, anoxic pond, Aerobic Pond and the settling tank that are connected successively.
6., as claimed in claim 1 for the artificial rapid infiltration system of petrol station bunker sewage disposal, it is characterized in that: the filter layer that described artificial rapid infiltration pool comprises bed course, is arranged at the inverted filter above described bed course and is arranged at above described inverted filter.
7., as claimed in claim 6 for the artificial rapid infiltration system of petrol station bunker sewage disposal, it is characterized in that: described inverted filter is filled with particle from top to bottom gradually by carefully thicker pebbles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420490034.9U CN204265600U (en) | 2014-08-28 | 2014-08-28 | For the artificial rapid infiltration system of petrol station bunker sewage disposal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420490034.9U CN204265600U (en) | 2014-08-28 | 2014-08-28 | For the artificial rapid infiltration system of petrol station bunker sewage disposal |
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| Publication Number | Publication Date |
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| CN204265600U true CN204265600U (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420490034.9U Expired - Fee Related CN204265600U (en) | 2014-08-28 | 2014-08-28 | For the artificial rapid infiltration system of petrol station bunker sewage disposal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108190278A (en) * | 2018-02-12 | 2018-06-22 | 中国恩菲工程技术有限公司 | The seepage control system of buried horizontal tank |
-
2014
- 2014-08-28 CN CN201420490034.9U patent/CN204265600U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108190278A (en) * | 2018-02-12 | 2018-06-22 | 中国恩菲工程技术有限公司 | The seepage control system of buried horizontal tank |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20150828 |
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| EXPY | Termination of patent right or utility model |