CN202762185U

CN202762185U - Sewage purifying system and sewer integral maintenance truck

Info

Publication number: CN202762185U
Application number: CN 201220336837
Authority: CN
Inventors: 滕新科; 季助
Original assignee: Changsha Zoomlion Environmental Sanitation Machinery Co Ltd
Current assignee: Changsha Zoomlion Heavy Industry Science and Technology Development Co Ltd; Changsha Zoomlion Environmental Sanitation Machinery Co Ltd
Priority date: 2012-07-12
Filing date: 2012-07-12
Publication date: 2013-03-06
Anticipated expiration: 2022-07-12

Abstract

The utility model discloses a sewage purifying system which comprises a water treatment area for storing sewage, a purified water area for storing water purified by the sewage purifying system and a cleaning device. A first filter device used for purifying sewage is arranged in the water treatment area, and the cleaning device is used for cleaning the first filter device by the water purified by the sewage purifying system. The utility model further provides a sewer integral maintenance truck utilizing the sewage purifying system. Since the sewage purifying system is provided with the cleaning device which can be used for cleaning the first filter device by the purified water, the first filter device can be cleaned in time and can run in high quality for a long time continuously, and further, the sewer integral maintenance truck utilizing the sewage purifying system can perform sewer integral maintenance operate for a long time and has high practicability.

Description

Sewage purification system and water drain integrative maintaining vehicle

Technical field

The utility model relates to the sewage purification field, particularly, relates to the water drain integrative maintaining vehicle of a kind of sewage purification system and this sewage purification system of use.

Background technology

In environmental sanitation vehicles, be usually directed to the sewage purification field, can reclaim sewage and to reuse, can prolong the running time after vehicle once adds water.For example, at soil pick-up, dredging etc. sewer is carried out in the vehicle of comprehensive maintenance, when it carries out cleaning work to sewer, because the volume of himself function singleness or filtered water tank is limited, very difficult long dredging sewer, the soil pick-up realized worked continuously, inefficiency, use cost is high.Therefore, in order to promote the time of its continuous operation, sewage purification and circulating technology have been applied on the water drain integrative maintaining vehicle.The core of this sewage purification and circulating technology is for example dredging vehicle to be aspirated become to satisfy after the sewage that comes up filters from sewer again to dredge water.Thereby so that the stream time of water drain integrative maintaining vehicle prolongs.

Wherein, the ability of working long hours of employed sewage purification system will determine the stream time of vehicle.Yet in the prior art, be CN 101824855A at publication number for example, name is called: in the utility model patent of intelligent multifunction combined suction sewage truck, although its sewage purification system is provided with multistage filtering, filters at different levels all can not in time be cleaned.Therefore, after work a period of time, the filter in its sewage purification system can directly have influence on the recycling to sewage owing to can not get in time cleaning and cleaning, can only stop and clean one by one.This long-time continuous that can not satisfy equally water drain integrative maintaining vehicle is used, thereby affects the operating efficiency of the water drain integrative maintaining vehicles such as dredging vehicle of the prior art, suction-type sewer scavenger

Therefore, provide a kind of sewage purification system that can long-time continuous uses, not only to realizing that long-time continuous constantly carries out the water drain integrative maintaining vehicle of reutilization of the sewage, and rise other fields that need sewage to evolve are all had positive effect.

The utility model content

A purpose of the present utility model provides a kind of sewage purification system, and the filter in this sewage purification system can access timely cleaning and cleaning, can long-time continuous using.

Another purpose of the present utility model provides a kind of water drain integrative maintaining vehicle, and the sewage purification system that this water drain integrative maintaining vehicle uses the utility model to provide is can carry out for a long time the sewer maintenance work.

To achieve these goals, according to an aspect of the present utility model, a kind of sewage purification system is provided, comprise for the water treatment zone that stores sewage with for storing by the purification pool of purifying waste water after the described sewage purification system purification, be provided with in the described water treatment zone be used to first filter of purifying waste water, wherein, described sewage purification system also comprises cleaning device, and this cleaning device can use by purifying waste water of described sewage purification system purification described the first filter is cleaned.

Preferably, described cleaning device comprises the first shower nozzle, and this first shower nozzle can spray from the outside described the first filter.

Preferably, described cleaning device comprises the second shower nozzle, and this second shower nozzle can wash from the inboard described the first filter

Preferably, described the first filter comprises support and is rotatably installed in rotating filter cartridge on the first end of this support, and it is inner that described the second shower nozzle is installed in described rotating filter cartridge.

Preferably, the first end of described rotating filter cartridge is provided with and drives the first drive unit that this rotating filter cartridge rotates, the second end of described rotating filter cartridge is provided with the cleaning joint, and described the second shower nozzle is a plurality of, and all is communicated with described purification pool by this cleaning joint.

Preferably, described the first filter also comprises self-cleaning device, and this self-cleaning device comprises cleaning balde and elastic component, and this cleaning balde is by the outside of described resilient member biases at described rotating filter cartridge, is attached to dirt on the described rotating filter cartridge with removing.

Preferably, described self-cleaning device also comprises the first support and the second support, the first end of described the first support is hinged on described the first filter, the first end of described cleaning balde removably is fixed on the second end of described the first support, the second end of described cleaning balde extends towards the surface of described rotating filter cartridge, described the second support is fixed on described the first filter, the first end of described elastic component is fixed on this second support, the second end of described elastic component and the first end of described the first support are fixed, so that described cleaning balde is biased on the outer surface of described rotating filter cartridge.

Preferably, described cleaning balde is elasticity macromolecular material plate.

Preferably, the second end of described support is hinged in the described water treatment zone, and the top of described rotating filter cartridge is fixed with the floating cylinder that can swim on the water surface, so that described rotating filter cartridge can swing around pin joint with the water surface.

Preferably, the pendulum angle scope of described rotating filter cartridge is 0 °-75 °.

Preferably, described sewage diposal area comprises dirt inlet, between described the first filter and described dirt inlet, be provided with the bending filter plate that can filter sewage, the upper end of this bending filter plate is fixed on the top of described water treatment zone, extend towards the bottom of described water treatment zone the lower end, wherein, described bending filter plate comprises recess and the protuberance of alternately arranging.

Preferably, described cleaning device comprises the 3rd shower nozzle, and the 3rd shower nozzle can wash described bending filter plate.

Preferably, described sewage purification system also comprises the second filter, and the water inlet of this second filter is communicated with by the first water pump with the delivery port of described the first filter.

Preferably, described the second filter comprises housing and is rotatably installed in this enclosure interior rotating filter element, and described water inlet is formed on the sidewall of described housing.

Preferably, the second drive unit that drives described rotating filter element rotation is installed on the described housing, described the second drive unit started at described the first starting mode of pump in 3 to 5 seconds afterwards.

Preferably, described rotating filter element comprises the first filtering layer and the second filtering layer that is positioned at this first filtering layer inside, and the filtering accuracy of this first filtering layer is less than the filtering accuracy of described the second filtering layer.

Preferably, described enclosure interior comprises the contraminated zone that is surrounded by described housing and described the first filtering layer, the middle pool that is surrounded by described the first filtering layer and described two filtering layers and the purification pool that is surrounded by described the second filtering layer, described the second filter comprises the first delivery port that is communicated with described contraminated zone, the second delivery port that is communicated with described middle pool and the 3rd delivery port that is communicated with described purification pool, wherein, described the first delivery port is communicated with described water treatment zone, described the second delivery port is communicated with the first shower nozzle that is used for spraying described the first filter, and described the 3rd delivery port is communicated with described purification pool.

Preferably, described sewage purification system also comprises the second water pump that is communicated with described purification pool, by the pumping of this second water pump, purifying waste water in the described purification pool can be washed by described cleaning device the inwall of described the first filter and/or described water treatment zone.

Preferably, described sewage purification system also comprises the 3rd filter, and described purification pool is communicated with described the second water pump by the 3rd filter.

According on the other hand of the present utility model, a kind of water drain integrative maintaining vehicle is provided, this water drain integrative maintaining vehicle comprises Water Tank, filtered water tank, dirt sucking tube and dredging assembly, described dirt sucking tube is drawn into sewage in the described Water Tank, described dredging assembly obtains dredging water from described filtered water tank, dredge with the obstruction point to sewer, wherein, described water drain integrative maintaining vehicle also comprises the sewage purification system that the utility model provides, wherein said water treatment zone is described Water Tank, and described purification pool is described filtered water tank.

Pass through technique scheme, owing to being provided with the cleaning device that uses cleaning the first filter of purifying waste water after filtering in the sewage purification system that the utility model provides, therefore can in time clean and clean this first filter, long time continuous working in high quality, therefore can be so that use the water drain integrative maintaining vehicle of this sewage purification system can carry out for a long time the operation of sewer comprehensive maintenance, practical.

Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.

Description of drawings

Accompanying drawing is to be used to provide further understanding of the present utility model, and consists of the part of specification, is used from explanation the utility model with the following specific embodiment one, but does not consist of restriction of the present utility model.In the accompanying drawings:

Fig. 1 is the operation principle schematic diagram of the water drain integrative maintaining vehicle that provides of the utility model;

Fig. 2 is the side-looking structural representation of the first filter of providing of the utility model;

Fig. 3 is the structure for amplifying schematic diagram of A section among Fig. 2;

Fig. 4 is the plan structure schematic diagram of the first filter of providing of the utility model;

Fig. 5 is the structural representation of the second filter of providing of the utility model.

Description of reference numerals

1 water treatment zone, 2 first filters

3 cleaning devices, 4 bending filter plates

5 second filters 7 purify the pool

9 sewers

11 dirt inlets, 21 supports

22 rotating filter cartridges, 23 first drive units

24 clean joint 25 cleaning baldes

26 floating cylinder 27 delivery ports

28 elastic components, 31 first shower nozzles

32 second shower nozzles 33 the 3rd shower nozzle

51 water inlets, 52 housings

53 rotating filter elements, 54 first filtering layers

55 second filtering layers, 56 first delivery ports

57 second delivery ports 58 the 3rd delivery port

59 second drive units, 61 first water pumps

62 second water pumps 71 the 3rd filter

81 Water Tanks, 82 filtered water tanks

83 dirt sucking tubes, 84 dredging assemblies

29a the first bearing 29b the second bearing

Pool among the 54a of 52a contraminated zone

55a purifies the pool

The specific embodiment

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated.Should be understood that, the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.

In the utility model, in the situation that do not do opposite explanation, the sewage purification system that the noun of locality that uses normally provides with the utility model such as " upper and lower " and the normal undefined front and back of situation of using of water drain integrative maintaining vehicle then are the normal travel direction definition of the water drain integrative maintaining vehicle that provides with the utility model, particularly, can be with reference to mode shown in Figure 1, wherein " upper and lower " is the above-below direction of the page shown in the figure, and " front " refers to the left side of page, and " afterwards " refers to the right side of page.Need to prove, these nouns of locality only are used for explanation the utility model, are not limited to the utility model.

Extremely shown in Figure 5 such as Fig. 1, in the water drain integrative maintaining vehicle that the utility model provides, in order to realize soil pick-up, the operations such as dredging sewer, this water drain integrative maintaining vehicle comprises Water Tank 81, filtered water tank 82, dirt sucking tube 83 and dredging assembly 84, wherein in sewer maintenance work for example, can the sewage in the sewer be drawn in the Water Tank 81 by dirt sucking tube 83, and when dredging sewer, from filtered water tank 82, obtain the dredging water and the sewer blockage point is dredged operation by dredging assembly 84, wherein use for long-time the continuing of realizing the water drain integrative maintaining vehicle that the utility model provides, can carry out filtration, purification to the sewage in the Water Tank 81 by the sewage purification system that the utility model provides, again obtaining can be used in the clear water of dredging sewer, thereby realize the purpose of long-time continuous operation.

Wherein, the problem that can not in time be cleaned in order to overcome the sewage purification system that exists in the prior art, in the sewage purification system that the utility model provides, this sewage purification system comprises that for the water treatment zone 1(that stores sewage be Water Tank) and the purification pool 7(that purifies waste water that is used for storing after being purified by sewage purification system be filtered water tank), wherein being provided with the first filter 2 in the water treatment zone 1 purifies waste water being used for, wherein unlike the prior art be, the sewage purification system that the utility model provides also comprises cleaning device 3, and this cleaning device 3 can use by purifying waste water of sewage purification system purification the first filter 2 is cleaned.Therefore, the cleaning by this cleaning device 3 can guarantee the cleaning be used to first filter of purifying waste water, and, can realize that long-time the continuing of this first filter used that is.Thereby really realize the long-time continuous operation of water drain integrative maintaining vehicle.

Need to prove, the embodiment that can finish technique scheme has multiple, such as the structure of the kind of the first filter, cleaning device and cleaning way etc., the utility model for convenience of description, in this introduction preferred embodiment wherein, this preferred embodiment only is used for explanation the utility model, is not limited to the utility model.

As shown in Figure 1, in the preferred embodiment that utility model provides, the cleaning device 3 that is used for 2 cleanings of the first filter mainly can be divided into two kinds, at first for so that the surface clean of the first filter 2, preferably, cleaning device 3 comprises the first shower nozzle 31 that use is purified waste water, and this first shower nozzle 31 can spray from the outside the first filter 2.Particularly, this the first shower nozzle 31 can be arranged on the top of the first filter 2, for example being fixed on water treatment zone is the top of Water Tank, can use the surface of purifying waste water to the first filter 2 to spray, wherein this spray can adopt continuous spray mode according to circumstances, can adopt yet and be interrupted the spray mode, the utility model does not limit this.

In order further to guarantee the cleaning of the first filter 2, as shown in Figures 1 to 4 preferably, cleaning device 3 also comprises the second shower nozzle 32 that use is purified waste water, and this second shower nozzle 32 can wash from the inboard the first filter 2.That is, this second shower nozzle 32 can adapt to purifying waste water and from the inboard of the first filter 2 the first filter 2 is washed after the pressurization, thereby effectively guarantees the cleaning of this second filter 2, with can long time continuous working.

Particularly, in preferred embodiment of the present utility model, the first filter 2 comprises support 21 and is rotatably installed in rotating filter cartridge 22 on the first end of this support 21, the first end of this rotating filter cartridge 22 is provided with and drives the first drive unit 23, for example hydraulic motor that this rotating filter cartridge 22 rotates.Wherein, support 21 is the hollow structure with the internal communication of this rotating filter cartridge 22, and the second end at support 21 is provided with delivery port 27, sewage can enter in this rotating filter cartridge 22 to be purified, purifying waste water of obtaining evolving can be flowed out water treatment zones 1 by support 21 and delivery port 27, and enters into finally that to purify pool 7 be filtered water tank 82.Particularly, said process can for example be accomplished by the suction of the first water pump 61 among Fig. 1 by pumping equipment is set.

Wherein, as shown in Figure 4, the second shower nozzle 32 can be set to a plurality of and be installed in rotating filter cartridge 22 inside, therefore in order to guarantee the wash water of these a plurality of the second shower nozzles 32, the second end of rotating filter cartridge 22 is provided with and cleans joint 24, and above-mentioned a plurality of the second shower nozzles 32 all clean joint 24 by this and are communicated with purification pool 7.Thereby can finish rotating filter cartridge 22 is washed more uniformly.

Pass through two kinds of cleaning ways of 3 pairs of the first filters 2 of cleaning device except above-mentioned, the first filter 2 itself also has self-cleaning ability, particularly as shown in Figures 2 and 3, the first filter 2 that the utility model provides also comprises self-cleaning device, this self-cleaning device comprises cleaning balde 25 and elastic component 28, this cleaning balde 25 is biased in the outside of rotating filter cartridge 22 by elastic component 28, be attached to dirt on the rotating filter cartridge 22 with removing.That is, can in the rotation process of rotating filter cartridge 22, the dirt scraping on rotating filter cartridge surface will be adsorbed on.Wherein in order to reduce the damage to the rotating filter cartridge surface, preferably this cleaning balde 25 is served as reasons and is had the plate that flexible macromolecular material is made, and such as using rubber slab, plastic plate, fiberboard etc., the utility model does not limit this.

Wherein, in order to realize the installation of this self-cleaning device, particularly, as shown in Figure 3, this self-cleaning device also comprises the first support 29a and the second support 29b, and the first end of the first support 29a is hinged on the first filter 2, that is, the first end of the first support 29a is rotatable.Wherein, the first end of cleaning balde 25 removably is fixed on the second end of the first support 29b, the second end of cleaning balde 25 extends towards the surface of rotating filter cartridge 22, the second support 29b is fixed on the first filter 2, the first end of elastic component 28 is fixed on this second support 29b, the second end of elastic component 28 and the first end of the first support 29a are fixed, so that cleaning balde 25 is biased on the outer surface of rotating filter cartridge 22.In actual use, can by arrange different elastic components for example extension spring control the biasing force that cleaning balde 25 is biased in rotating filter cartridge 22 surfaces.For said structure, those skilled in the art can also design different mounting structures according to actual conditions, drop on equally in the protection domain of the present utility model for this type of deformation design.

In addition, in order to obtain best wastewater purifying efficiency, preferably, the first filter 2 that the utility model provides can swim in water surface below also can be with the lifting and swinging of the water surface, and therefore the first movable filter 2 can further promote filter effect.In order to realize this purpose, preferably, as shown in Figure 2, the second end of the support 21 of the first filter 2 is hinged in the water treatment zone 1, for example on the sidewall, and the top of rotating filter cartridge 22 is fixed with the floating cylinder 26 that can swim on the water surface, so that rotating filter cartridge 22 can swing around pin joint with the water surface.Can be full of air in this floating cylinder 26, can adopt the lower material of density to make, as long as can be so that the first filter swings with the water surface, other modes of texturing that can expect drop in the protection domain of the present utility model equally.More preferably, the scope that the pendulum angle α of rotating filter cartridge 22 can be set is 0 °-75 °, thereby farthest so that the rotating filter cartridge 22 in the first filter 2 can and descend with the rising of the water surface swings to obtain preferably filter effect.

In addition, more from the sewage impurity that the dirt inlet 11 of water treatment zone 1 enters, as directly filtering by the first filter 2, not only clean-up effect is bad, is attached on the first filter 2 but also can increase the weight of dirt.Therefore, preferably, as shown in Figure 1, in the sewage diposal area 1, can between the first filter 2 and dirt inlet 1, be provided with the bending filter plate 4 that can filter sewage, the upper end of this bending filter plate 4 is fixed on the top of water treatment zone 1, extend towards the bottom of water treatment zone 2 lower end, and be different from prior art, and this bending filter plate 4 comprises recess and the protuberance of alternately arranging, namely, filtration compared to existing technology is dull and stereotyped, on the bending filter plate 4 that the utility model provides more filter bores can be set, and has increased filter area, and because the existence of recess and protuberance, can reduce dirt and be attached to possibility on this bending filter plate 4.Therefore, the sewage that enters from dirt inlet 11 at first filters with the first filter 2 through ability behind the primary filter of bending filter plate 4.And in order further to guarantee the activity duration of this bending filter plate, the cleaning device that the utility model provides comprises that also the 3rd shower nozzle 33, the three shower nozzles that use is purified waste water can wash bending filter plate 4.Particularly, as shown in Figure 1, the 3rd shower nozzle 33 can be arranged on the sidewall or top of water treatment zone 1, purifying waste water after using pressurization washed this bending filter plate 4, can also the sidewall of water treatment zone 1 be washed, with outside the cleaning that guarantees bending filter plate 4, can also reduce the possibility that dirt is attached to the water treatment zone sidewall, thereby keep the cleanliness factor of water treatment zone 1.

Therefore, the first filter 2 can have three grades of cleaning capacities at work, at first after filter bores that undersurface sewage entered rotating filter cartridge 22 surfaces enters inside, when rotating filter cartridge 22 at the first drive unit 23(hydraulic motor) when slowly running under driving, cleaning balde 25 is just scraped mud, the foreign material of rotating filter cartridge 22 surface attachment from getting off, prevented that mud, foreign material from depositing in a large number on rotating filter cartridge surface 22, realized the first order cleaning of the first filter 2; The first shower nozzle 31 by cleaning device 3 uses to purify waste water rotating filter cartridge 22 is sprayed, can guarantee the surface clean of part that the first filter 2 surfaces such as floating cylinder 26, thereby reduced the loss of floating cylinder 26, increase the service life, thereby the second level of having realized the first filter 2 is cleaned; In addition, by purifying waste water from outward rotating filter cartridge 22 being carried out high pressure washing from interior after the second shower nozzle 32 use pressurizations of cleaning device 3, the foreign material such as mud that are deposited on rotating filter cartridge 22 surfaces can be rinsed well, thereby prevent that the water inlet on rotating filter cartridge surface is by sludge blockage, that is, realized the third level cleaning of the first filter 2 by the flushing of second nozzle 32.Therefore, above-mentioned three grades of clean technologies have guaranteed that the first filter 2 in use can not stop up, the long-time sewage purification operation that continues of real realization.

In preferred enforcement embodiment of the present utility model, the first above-mentioned filter 2 is the one-level initial filter, if only pass through the filtration of this first filter 2, resulting purifying waste water is difficult to reach general water pump to the requirement of water quality, can't be as the demand of the dredging water of needs pressurizations thereby cause.Therefore, in preferred embodiment of the present utility model, sewage purification system also comprises the second filter 5, sewage is carried out the filter of secondary essence.The water inlet 51 of this second filter 5 is communicated with by the first water pump 61 with the delivery port 27 of the first filter 2.This first water pump 61 is sewage pump, to adapt to better through the extraction of purifying waste water after the first filter 2 one-level initial filters, thereby so that the sewage in the water treatment zone 1 is by in the rotating filter cartridge 22 that enters continuously the first filter 2, and because this first water pump 61 is preferably sewage pump, can prevent that impurity in the sealing is on the impact in these 61 life-spans of the first water pump, this sewage pump is upper common pumping plant in this area, and those skilled in the art can carry out the selection of various models according to actual needs.

In order to realize the filter of the secondary of sewage essence, as shown in Figure 5, this second filter 5 comprises housing 52 and is rotatably installed in this housing 52 internal rotating filter cores 53, and water inlet 51 is formed on the sidewall of housing 52.And the second drive unit 59 hydraulic motor for example that drives rotating filter element 53 rotations is installed on the housing 52, thereby utilizes centrifugal force to carry out the filter of secondary essence through the water after the one-level initial filter.Therefore, length service time of this second filter 5 is determining the working time of the sewage purification system that the utility model provides equally.Particularly, need to guarantee the service life of rotating filter element 53.At first, in order to guarantee the life-span of rotating filter element 53, need this rotating filter element 53 in water-filled environment, to be rotated, therefore in order to prevent filter core 53 in the situation that do not have water to enter to dally, preferably, the second drive unit 59 should start in 61 startups of the first water pump in 3 to 5 seconds afterwards.That is, when the first water pump 61 was drawn into the housing 52 of the second filter 5 with water from the first filter 2, the second drive unit that drives rotating filter element 53 rotations just began to start, thereby guaranteed the life-span of rotating filter element 53.Said process can be finished by automatic control system common in this area, for example adopt the PLC controller by corresponding control program the first drive unit 23, the second drive unit 59 and the first water pump 61, the second water pump 62 to be controlled automatically, so that of the present utility model easy to operate, efficient.

In addition, different from cyclone filter of the prior art is, in order further to guarantee the service life of rotating filter element 53, the rotating filter element 53 that the utility model provides adopts double-decker, namely, as shown in Figure 5 preferably, rotating filter element 53 comprises the first filtering layer 54 and the second filtering layer 55 that is positioned at these the first filtering layer 54 inside, and the filtering accuracy of this first filtering layer 54 is less than the filtering accuracy of the second filtering layer 55.Therefore can pass through two-layer gradual filter type, prolong the service life of rotating filter element 53, namely, after at first filtering by the first filtering layer 54, filters through the second filter core 55 again in the water that enters housing 52 by inlet port 51, thereby the large granular impurity in the anti-sealing is to the damage of the second higher filtering layer 55 of filtering accuracy, thereby further guaranteed service life and the working time of the second filter 5, and can guarantee the filtering accuracy to sewage.This filtering accuracy can be so that the size of the impurity particle in purifying waste water satisfies the requirement of general water pump, thus can so that this purify waste water as the dredging water of dredging assembly 84.

In addition, be by this double-deck the second filter 5, can also satisfy above-mentioned cleaning to the first filter 4 more cleverly.Particularly, housing 52 inside comprise the contraminated zone 52a that is surrounded by housing 52 and the first filtering layer 54, the middle pool 54a that is surrounded by the first filtering layer 54 and two filtering layers 55 and the purification pool 55a that is surrounded by the second filtering layer 55, the second filter 5 comprises the first delivery port 56 that is communicated with contraminated zone 52a, the second delivery port 57 that is communicated with middle pool 54a and the 3rd delivery port 58 that is communicated with purification pool 55a, wherein, the first delivery port 56 is communicated with water treatment zone 1, that is, do not carry the filtration of waiting for the next stage by the trash flow backwater treatment region 1 of centrifugal filtration through the sewage of the filtration of the first filtering layer 54 and the second filtering layer 55.And the second delivery port 57 is communicated with the first shower nozzle 21 that is used for spray the first filter 2, namely, can finish spray operation to the first filter 2 surfaces through purifying waste water of filtering of the first filtering layer 54, thereby finish more expeditiously the purpose of this utility model, and through purifying waste water owing to meeting the requirements after two filtering layers filtrations, then flow in the purification pool 7 by the 3rd delivery port 58, that is, the 3rd delivery port 58 is communicated with purification pool 7.

In addition, the sewage purification system that the utility model provides also comprises the second water pump 62 that is communicated with purification pool 7, by the pumping of this second water pump 62, purify purifying waste water in the pool 7 and can wash by cleaning device 3 inwall of the first filters 2 and/or water treatment zone 1.That is, by with being communicated with of second nozzle 32, realize the first filter 2 flushing from inside to outside, and by with the cleaning that realizes the inwall of bending filter plate 4, water treatment zone 1 that is communicated with of the 3rd nozzle 33.In addition, the more important thing is, in the water drain integrative maintaining vehicle that the utility model provides, be that purifying waste water in the filtered water tank 82 realize continuing for a long time the dredging operation to sewer 9 in order to use this purification pool 7, in the utility model, need to be with the second water pump 62 and dredging being communicated with of assembly 84, thus the obstruction point of sewer 9 is carried out the high pressure dredging.

Wherein, although can satisfy the second water pump 62 through purifying waste water after one-level initial filter and the filter of secondary essence, in order further to guarantee the life-span of the second water pump 62, also can between purification pool 7 and the second water pump 62, the 3rd filter 71 be set, namely, be communicated with the second water pump 62 by the 3rd filter 71 so that purify pool 7, thus the high life that has further guaranteed the second water pump 62 turn round, and then guaranteed the long-time continuous operation of whole sewage purification system.Wherein the 3rd filter 71 can be water filter arbitrarily in this area, because the impurity in the purifying waste water of its processing seldom, so can be guaranteed equally the service life of the 3rd filter 71.

To sum up, the sewage purification system that provides at the utility model, sewage is at first after the coarse filtration by bending filter plate 4, enters in the clear water zone through the secondary essence filter of the one-level initial filter of the first filter 2 and the second filter 5 to store, thereby realizes the recycling of water resource.And importantly be, as implied above, all for a long time continuous operations such as critical piece wherein such as bending filter plate 4, the first filter 2, the second filter 5 and the first water pump 61, the second water pump 62, thereby the utility model sewage purification system that provides and the real long-time continuous operation of water drain integrative maintaining vehicle of using this sewage purification system have been realized, therefore, this sewage purification system and water drain integrative maintaining vehicle have higher practicality and promotional value.

Below describe by reference to the accompanying drawings preferred embodiment of the present utility model in detail; but; the utility model is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.

Need to prove in addition, each concrete technical characterictic described in the above-mentioned specific embodiment in reconcilable situation, can make up by any suitable mode, for fear of unnecessary repetition, the utility model is to the no longer separately explanation of various possible combinations.

In addition, also can carry out any combination between the various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.

Claims

1. sewage purification system, comprise for the water treatment zone (1) that stores sewage with for storing by the purification pool (7) of purifying waste water after the described sewage purification system purification, be provided with in the described water treatment zone (1) be used to first filter (2) of purifying waste water, it is characterized in that, described sewage purification system also comprises cleaning device (3), and this cleaning device (3) can use by purifying waste water of described sewage purification system purification described the first filter (2) is cleaned.

2. sewage purification system according to claim 1 is characterized in that, described cleaning device (3) comprises the first shower nozzle (31), and this first shower nozzle (31) can spray from the outside described the first filter (2).

3. sewage purification system according to claim 1 and 2 is characterized in that, described cleaning device (3) comprises the second shower nozzle (32), and this second shower nozzle (32) can wash from the inboard described the first filter (2).

4. sewage purification system according to claim 3, it is characterized in that, described the first filter (2) comprises support (21) and is rotatably installed in rotating filter cartridge (22) on the first end of this support (21), and described the second shower nozzle (32) is installed in described rotating filter cartridge (22) inside.

5. sewage purification system according to claim 4, it is characterized in that, the first end of described rotating filter cartridge (22) is provided with and drives the first drive unit (23) that this rotating filter cartridge (22) rotates, the second end of described rotating filter cartridge (22) is provided with and cleans joint (24), described the second shower nozzle (32) is a plurality of, and all is communicated with described purification pool (7) by this cleaning joint (24).

6. sewage purification system according to claim 4, it is characterized in that, described the first filter (2) also comprises self-cleaning device, this self-cleaning device comprises cleaning balde (25) and elastic component (28), this cleaning balde (25) is biased in the outside of described rotating filter cartridge (22) by described elastic component (28), be attached to dirt on the described rotating filter cartridge (22) with removing.

7. sewage purification system according to claim 6, it is characterized in that, described self-cleaning device also comprises the first support (29a) and the second support (29b), the first end of described the first support (29a) is hinged on described the first filter (2), the first end of described cleaning balde (25) removably is fixed on the second end of described the first support (29b), the second end of described cleaning balde (25) extends towards the surface of described rotating filter cartridge (22), described the second support (29b) is fixed on described the first filter (2), the first end of described elastic component (28) is fixed on this second support (29b), the first end of the second end of described elastic component (28) and described the first support (29a) is fixed, so that described cleaning balde (25) is biased on the outer surface of described rotating filter cartridge (22).

8. sewage purification system according to claim 7 is characterized in that, described cleaning balde (25) is elasticity macromolecular material plate.

9. sewage purification system according to claim 4, it is characterized in that, the second end of described support (21) is hinged in the described water treatment zone (1), and the top of described rotating filter cartridge (22) is fixed with the floating cylinder (26) that can swim on the water surface, so that described rotating filter cartridge (22) can swing around pin joint with the water surface.

10. sewage purification system according to claim 9 is characterized in that, the pendulum angle scope of described rotating filter cartridge (22) is 0 °-75 °.

11. sewage purification system according to claim 1, it is characterized in that, described sewage diposal area (1) comprises dirt inlet (11), between described the first filter (2) and described dirt inlet (1), be provided with the bending filter plate (4) that can filter sewage, the upper end of this bending filter plate (4) is fixed on the top of described water treatment zone (1), extend towards the bottom of described water treatment zone (2) lower end, and wherein, described bending filter plate (4) comprises recess and the protuberance of alternately arranging.

12. sewage purification system according to claim 11 is characterized in that, described cleaning device (3) comprises the 3rd shower nozzle (33), and the 3rd shower nozzle can wash described bending filter plate (4).

13. sewage purification system according to claim 1, it is characterized in that, described sewage purification system also comprises the second filter (5), and the water inlet (51) of this second filter (5) is communicated with by the first water pump (61) with the delivery port (27) of described the first filter (2).

14. sewage purification system according to claim 13, it is characterized in that, described the second filter (5) comprises housing (52) and is rotatably installed in this housing (52) internal rotating filter core (53), and described water inlet (51) is formed on the sidewall of described housing (52).

15. sewage purification system according to claim 14, it is characterized in that, the second drive unit (59) that drives described rotating filter element (53) rotation is installed on the described housing (52), and described the second drive unit starts 3 to 5 seconds at described the first water pump (61) and starts afterwards.

16. according to claim 14 or 15 described sewage purification systems, it is characterized in that, described rotating filter element (53) comprises the first filtering layer (54) and is positioned at inner the second filtering layer (55) of this first filtering layer (54), and the filtering accuracy of this first filtering layer (54) is less than the filtering accuracy of described the second filtering layer (55).

17. sewage purification system according to claim 16, it is characterized in that, described housing (52) inside comprises the contraminated zone (52a) that is surrounded by described housing (52) and described the first filtering layer (54), the middle pool (54a) that is surrounded by described the first filtering layer (54) and described two filtering layers (55) and the purification pool (55a) that is surrounded by described the second filtering layer (55), described the second filter (5) comprises the first delivery port (56) that is communicated with described contraminated zone (52a), the second delivery port (57) that is communicated with described middle pool (54a) and the 3rd delivery port (58) that is communicated with described purification pool (55a)

Wherein, described the first delivery port (56) is communicated with described water treatment zone (1), described the second delivery port (57) is communicated with the first shower nozzle (21) that is used for spraying described the first filter (2), and described the 3rd delivery port (58) is communicated with described purification pool (7).

18. sewage purification system according to claim 1, it is characterized in that, described sewage purification system also comprises the second water pump (62) that is communicated with described purification pool (7), by the pumping of this second water pump (62), purifying waste water in the described purification pool (7) can be by the inwall of described cleaning device (3) flushing described the first filter (2) and/or described water treatment zone (1).

19. sewage purification system according to claim 18 is characterized in that, described sewage purification system also comprises the 3rd filter (71), and described purification pool (7) is communicated with described the second water pump (62) by the 3rd filter (71).

20. water drain integrative maintaining vehicle, this water drain integrative maintaining vehicle comprises Water Tank (81), filtered water tank (82), dirt sucking tube (83) and dredging assembly (84), described dirt sucking tube is drawn into sewage in the described Water Tank (81), described dredging assembly (84) obtains dredging water from described filtered water tank (82), dredge with the obstruction point to sewer (9), it is characterized in that, described water drain integrative maintaining vehicle also comprises according to claim 1 the described sewage purification system of any one in-19, wherein said water treatment zone (1) is described Water Tank (81), and described purification pool (7) is described filtered water tank (82).