CN110156257A

CN110156257A - Municipal sewage system

Info

Publication number: CN110156257A
Application number: CN201910408196.0A
Authority: CN
Inventors: 杨增水; 邵小弟; 殷敏; 何国龙
Original assignee: Shanghai Port City Construction And Installation Engineering Co Ltd
Current assignee: Shanghai Port City Construction And Installation Engineering Co Ltd
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2019-08-23
Anticipated expiration: 2039-05-15
Also published as: CN110156257B

Abstract

The invention discloses a kind of municipal sewage systems, it is related to technical field of sewage, its key points of the technical solution are that: including sequentially connected grid pond, setting pot, primary sedimentation pond, conditioning tank, anaerobic pond, aeration tank, secondary sedimentation tank, concentration basin, digester, level-one Humid Area and secondary Humid Area, be provided with buffer trench between the level-one Humid Area and secondary Humid Area, the primary sedimentation pond, conditioning tank, secondary sedimentation tank, concentration basin and digester sludge outlet be all connected at a filter press；Setting pot includes support panel, pond body, filter screen, articulation piece, driving assembly and loading box, and the driving component is set on support panel, the lower end that the pond body is located at filter screen is provided with apopore, the apopore is connect with primary sedimentation pond；After handling into above system municipal wastewater, has and improve its regeneration water quality, meet urban water water quality requirement, and the effect that wastewater ocean disposal rate is high.

Description

Municipal sewage system

Technical field

The present invention relates to technical field of sewage, more specifically, it relates to a kind of municipal sewage system.

Background technique

With the quickening of China's Development of China's Urbanization, cities and towns tap water water consumption is risen year by year, domestic water, industrial water, The water demands such as agricultural irrigation increase severely, and shortage of water resources has become the focal issue being concerned, this problem restricts economy The development of society.

Municipal sewage system is one of urban operating mechanism, is widely used in municipal ground engineering；Current city Political affairs sewage disposal system is mainly made of water inlet pipe, outlet pipe, sedimentation basin, flocculation basin, sterilization pool and aeration tank, and the one of water inlet pipe End is water inlet, and the other end is connected to sedimentation basin, and one end of outlet pipe is water outlet, and the other end is connected to aeration tank, and is sunk Shallow lake pond is connected to by pipeline with flocculation basin, and flocculation basin is connected to by pipeline with sterilization pool, and sterilization pool is connected by pipeline and aeration tank It is logical.

After the water of multiple water inlet pipes is gathered together, it is introduced into sedimentation basin and is used to settle some sundries in municipal wastewater, Then water enters flocculation basin, and flocculant is added and is reacted further to remove physical impurity and chemical impurity, then passes through and disappears Malicious pond, which sterilizes, simultaneously kills anaerobe through aeration tank, and then by outlet pipe discharge, such municipal sewage system can be with Reach certain water treatment efficiency；But its regeneration water quality is still poor, it is difficult to meet urban water water quality requirement, and sewage returns It is also not high enough to receive utilization rate.

Summary of the invention

In view of the deficiencies of the prior art, the present invention intends to provide a kind of municipal sewage system, have It is improved to regenerate water quality, meet urban water water quality requirement, and the effect that wastewater ocean disposal rate is high.

To achieve the above object, the present invention provides the following technical scheme that

A kind of municipal sewage system, including sequentially connected grid pond, setting pot, primary sedimentation pond, conditioning tank, anaerobism Pond, aeration tank, secondary sedimentation tank, concentration basin, digester, level-one Humid Area and secondary Humid Area, in the level-one Humid Area And buffer trench is provided between secondary Humid Area, the primary sedimentation pond, conditioning tank, secondary sedimentation tank, concentration basin and disappear The sludge outlet for changing pond is all connected at a filter press；The setting pot is used for including supporting panel, being set on support panel Receive after grid pond primary filtration the pond body of sewage, be horizontally placed in pond body and with the spaced apart filtering of the bottom of pond of pond body Net, one end and the hinged articulation piece of pond body, connect with articulation piece for drive pond body be on support panel slide and drive in The lower section for supporting the driving assembly overturn in panel a side and being set to support panel a side is used to be mounted in the dress of desilting Case is carried, the driving component is set on support panel, and the lower end that the pond body is located at filter screen is provided with apopore, described Apopore is connect with primary sedimentation pond.

So set, firstly, municipal wastewater first passes through grid pond is collected while preparatory preliminary treatment, by suspended matter, Microorganism and bulky grain sundries are filtered；Then, desilting processing is carried out by setting pot, sludge in municipal wastewater and thin Sand is intercepted by filter screen, and liquid is sent to primary clarifier by apopore；Period, by driving assembly drive pond body with And articulation piece is on support panel and slides, and passes through articulation piece and pond body is made to be in the end overturning of support panel, make its pond body The remaining sludge of interior filtering and fine sand realized and carry out desilting processing to municipal wastewater in batches to entering into loading box, and by desilting It is cleared up in time, improves each sewage and carry out the water quality before biochemical treatment；Secondly, first passing through primary sedimentation pond and tune Section pond is pre-processed and is adjusted to municipal wastewater, then by the way that organic matter has been converted into using anaerobe in anaerobic pond Organic acid is decomposed into methane, carbon dioxide and hydrogen etc. again by machine acid, methane backeria, uses the mode of aeration for dirt in aeration tank The aerobic microbiological offer activity energy in water, promotes the decomposition active of aerobic microbiological, makes to purify the sewage, anaerobic pond with And aeration tank carries out biological treatment step by step and handles, and dirty Organic substance in water is converted into simple nothing by the decomposition of microorganism Machine object makes to purify the sewage, to reduce the organic matter and nutriment in sewage；And one is formed in each pond relatively Stable microbial environment is conducive to the selection and active holding of dominant bacteria, guarantees the effluent quality of regenerative system；Through anaerobism Again through precipitating in secondary sedimentation tank, gained sewage is further processed the processed municipal wastewater in pond and aeration tank, reduce into Sediment after biological treatment in water；Finally, being carried out by the way that the upper layer clear water after precipitating after biological treatment to be passed through in concentration basin Concentration, then be removed microorganisms some in water body by digester, pathogenic microbes in sewage, are improved after kill processing The degree of purity of water quality；It is poured, is reached by level-one Humid Area, buffer trench and secondary Humid Area into treated municipal wastewater To the effect utilized again, there is the treatment effect improved to fine particle in sewage, microorganism, harmful substance and peculiar smell, mention High its regenerates water quality, meets urban water water quality requirement, and the effect that wastewater ocean disposal rate is high.Further setting: the drive Dynamic component includes that one end is rotatably dispose in the screw rod supported on panel, the mounting rack being rotatably dispose on the screw rod other end and consolidates Surely the motor being set on support panel, the mounting rack are connect with the articulation piece.

It is rotated so set, being on support panel by motor driven screw rod, makes its screw rod that mounting rack be driven to be in branch It reciprocatingly slides on support face, promotes articulation piece and pond body to be in support panel and move up dynamic purpose.

Further setting: the mounting rack towards support panel end face on be connected with T-type locating part, in the support panel T-slot is offered in pond body glide direction, the T-type locating part limit sliding is arranged in the T-slot.

So set, being moved along its length by the way that T-type locating part to be in T-slot, so that only limit mounting rack is along T The distance of type groove length direction sliding improves mounting rack driving pond body and is in the stability slided on support panel.

Further setting: limited block is fixedly installed far from one end of screw rod in the T-slot.

So set, by the position-limiting action of limited block, thus limit mounting rack along T-slot length direction slide away from From raising driving assembly driving pond body is in the stability moved in support plate.

Further setting: being fixedly installed double end cylinder on the mounting rack, on the two-piston bar of the double end cylinder It is fixedly connected with clamping block, clamping groove is offered in two symmetrical end faces of the articulation piece, the double end cylinder drives two institutes The depth direction for stating clamping block towards clamping groove moves back and forth.

So set, driving clamping block grafting by double end cylinder or being detached from clamping groove, mounting rack and articulation piece are realized Between the purpose for being fixed to each other or dismounting improve setting pot to municipal administration convenient for the purpose replaced or cleaned to pond body The water quality of sewage treatment.

Further setting: being fixedly installed stock guide in the pond body, the stock guide and filter screen and pond body One side wall is arranged in triangular shape, and stock guide is arranged on the separate pond body side wall connecting with articulation piece.

So set, the intracorporal desilting in pond passes through guide plate convenient for when pond body is in the rotation discharging of support panel end Oriented effect slide in outside pond body, improve the discharging stability of desilting in pond body.

Further setting: the support panel is set as being in tilted layout towards loading box direction oblique far from one end of articulation piece Slope.

So set, the side end convenient for being in support panel in driving assembly driving pond body realizes the mesh of rotation discharging 's.

Further setting: anoxic pond, the section top of the digester are provided between the anaerobic pond and aeration tank Clear water is back in the anoxic pond.

So set, municipal wastewater passes through the anaerobic organism bacterium in anaerobic pond first carries out ammonification hydrolysis to municipal wastewater, Acidification is hydrolyzed by anoxic pond again, is carried out finally by ammonia nitrogen of the aeration tank to organic matter and remnants in municipal wastewater Digestion forms a metastable microbial environment in each pond, is conducive to the selection and active holding of dominant bacteria, protects Demonstrate,prove the effluent quality of regenerative system.

Further setting: the conditioning tank includes sequentially connected coagulative precipitation tank, filtering ponds and sterilization pool, described mixed Solidifying sedimentation basin is connected with the chemicals dosing plant for launching coagulant polymeric aluminium chloride, and the coagulative precipitation tank and primary sedimentation pond connect It connects, the sterilization pool is connect with anaerobic pond.

So set, passing through coagulant in chemicals dosing plant when municipal wastewater enters in the coagulative precipitation tank in conditioning tank Under the action of, so that colloid and fine suspension in municipal wastewater is condensed into floccule body, then be isolated removing in filtering ponds, Resulting sewage enters back into sterilization pool and carries out disinfection processing；Since aluminium polychloride is a kind of inorganic polymer coagulant, mainly , absorption charge neutrality double-deck by compression, adsorption bridging, sediment net such as catch at the mechanisms, make subtle suspended particles and glue in water Body ion is de- steady, and aggregation, flocculation, coagulation, precipitating reach purified treatment effect.

Further setting: the pond body towards support panel end face on be provided with multiple rotating wheels.

So set, rotating on support panel by rotating wheel, support panel is in convenient for driving assembly driving pond body The effect of upper sliding.

By using above-mentioned technical proposal, the present invention compares compared with the prior art, has the advantage that

1, successively pass through grid pond, setting pot, primary sedimentation pond, conditioning tank, anaerobic pond, anoxic pond, aeration by municipal wastewater Pond, secondary sedimentation tank, concentration basin, digester, level-one Humid Area and secondary Humid Area are handled, and are had and are improved its recycled water Matter meets urban water water quality requirement, and the effect that wastewater ocean disposal rate is high；

2, it drives pond body and articulation piece to be on support panel by driving assembly to slide, pass through articulation piece and be in pond body The end overturning for supporting panel realizes the remaining sludge of filtering and fine sand in batches to city to entering into loading box Political affairs sewage carries out desilting processing, and desilting is cleared up in time, improves each sewage and carries out the water quality before biochemical treatment；

3, clamping block grafting is driven by double end cylinder or be detached from clamping groove, realized mutual solid between mounting rack and articulation piece Fixed or dismounting purpose improves the water that setting pot handles municipal wastewater convenient for the purpose replaced or cleaned to pond body Matter quality；

4, by being fixedly installed stock guide in pond body, it is convenient for when pond body is in the rotation discharging of support panel end, pond body Interior desilting is slid by the oriented effect of guide plate in outside pond body, and the discharging stability of desilting in pond body is improved.

Detailed description of the invention

Fig. 1 is the flow chart of municipal sewage system；

Fig. 2 is the structural schematic diagram of setting pot in municipal sewage system；

Fig. 3 is the cross-sectional view in setting pot at clamping block.

In figure: 1, grid pond；2, setting pot；21, panel is supported；22, pond body；221, apopore；23, filter screen；24, it cuts with scissors Fitting；241, clamping groove；25, driving assembly；251, screw rod；252, mounting rack；253, T-type locating part；254, T-slot；255, Limited block；26, loading box；27, rotating wheel；28, stock guide；29, double end cylinder；291, clamping block；3, primary sedimentation pond；4, it adjusts Save pond；41, coagulative precipitation tank；42, filtering ponds；43, sterilization pool；44, chemicals dosing plant；5, anaerobic pond；6, anoxic pond；7, aerobic Pond；8, aeration tank；9, secondary sedimentation tank；10, concentration basin；11, digester；12, level-one Humid Area；13, buffer trench；14, secondary Humid Area；15, filter press.

Specific embodiment

Municipal sewage system is described further referring to attached drawing.

A kind of municipal sewage system, as shown in Figure 1, including sequentially connected for carrying out coarse filtration to municipal wastewater Grid pond 1, for carrying out husky setting pot 2 to municipal wastewater, sinking for carrying out the first of primary deposition to municipal wastewater Shallow lake pond 3 carries out neutralizing the conditioning tank 4 of adjusting, carries out ammonification hydrolysis to municipal wastewater for anaerobic organism bacterium to municipal wastewater Anaerobic pond 5, the anoxic pond 6 that acidification is hydrolyzed remove the aerobic tank 7 of organic matter for easy-to-keep biological synthesis mineralization, use In remove aeration tank 8 that the ammonia nitrogen that organic matter is remaining to it simultaneously in municipal wastewater digested, for into biological treatment Secondary sedimentation tank 9 that municipal wastewater is precipitated again, the concentration basin 10 that the municipal wastewater precipitated again is concentrated, to dense Digester 11 that municipal wastewater after contracting is digested handles the level-one Humid Area 12 poured, buffering to postdigestive Ditch 13 and secondary Humid Area 14；And primary sedimentation pond 3, conditioning tank 4, secondary sedimentation tank 9, concentration basin 10 and digester 11 Sludge outlet is all connected to carry out filters pressing processing at a filter press 15, and the section top clear water of digester 11 is back to anoxic pond 6 It is interior.

As shown in Figures 2 and 3, wherein setting pot 2 includes horizontally disposed support panel 21, is set on support panel 21 For receiving the pond body 22 of sewage after 1 primary filtration of grid pond, being horizontally placed in pond body 22 and between the bottom of pond of pond body 22 It connect every the hinged articulation piece 24 of the outer wall of the filter screen 23 of arrangement, one end and pond body 22, with articulation piece 24 for driving pond body 22 slide on support panel 21 and drive in the driving assembly 25 overturn in support 21 a side of panel, are set to supporting surface The lower section of 21 a side of plate is used to be mounted in the loading box 26 of desilting and is fixedly installed on pond body 22 towards support 21 end face of panel Multiple rotating wheels 27；The lower end that pond body 22 is located at filter screen 23 is provided with apopore 221, and apopore 221 sinks with first Shallow lake pond 3 connects.

As shown in Figures 2 and 3, driving assembly 25 includes screw rod 251, the rotation that one end is rotatably dispose on support panel 21 The mounting rack 252 being set on 251 other end of screw rod and the motor being fixedly installed on support panel 21；To improve driving group Part 25 drives pond body 22 to be in the stability slided on support panel 21, in mounting rack 252 towards connecting on the end face of support panel 21 It is connected to T-type locating part 253, offers T-slot 254, T-type locating part along 25 driving direction of driving assembly in support panel 21 253 limit slidings are arranged in T-slot 254；It is fixedly installed at one end port of the T-slot 254 far from screw rod 251 simultaneously limited Position block 255, to limit the distance that mounting rack 252 slides along 254 length direction of T-slot.

As shown in Figures 2 and 3, it is set as tilting towards 26 direction of loading box far from one end of articulation piece 24 in support panel 21 The slope of arrangement, convenient for driving pond body 22 to be in the mesh for supporting the side end of panel 21 to realize rotation discharging in driving assembly 25 's；Meanwhile stock guide 28 is fixedly installed in pond body 22, stock guide 28 is in three with the one side wall of filter screen 23 and pond body 22 Horn shape arrangement, and stock guide 28 is arranged on separate 22 side wall of pond body connecting with articulation piece 24；Convenient for being in branch in pond body 22 When supportting the rotation discharging of 21 end of panel, desilting is slid by the oriented effect of guide plate in outside pond body 22.

As shown in Figures 2 and 3, the double end cylinder 29 moved back and forth towards vertical direction is fixedly installed on mounting rack 252, And clamping block 291 is fixedly connected on the two-piston bar of double end cylinder 29；Card is offered in two symmetrical end faces of articulation piece 24 Access slot 241, the depth direction that double end cylinder 29 drives two clamping blocks 291 towards clamping groove 241 move back and forth；Pass through double end cylinder 29 It drives 291 grafting of clamping block or is detached from clamping groove 241, realize being fixed to each other or tearing open between mounting rack 252 and articulation piece 24 The purpose of dress, convenient for the purpose that pond body 22 is replaced or cleaned.

As shown in Figure 1, conditioning tank 4 includes sequentially connected coagulative precipitation tank 41, filtering ponds 42 and sterilization pool 43；Coagulation Sedimentation basin 41 is connected with the chemicals dosing plant 44 for launching coagulant polymeric aluminium chloride, coagulative precipitation tank 41 and primary sedimentation pond 3 Connection, sterilization pool 43 are connect with anaerobic pond 5.

Working principle: being collected while preparatory preliminary treatment firstly, municipal wastewater first passes through grid pond 1, by suspended matter, Microorganism and bulky grain sundries are filtered；Then, desilting processing is carried out by setting pot 2, by batches to municipal wastewater Desilting processing is carried out, and desilting is cleared up in time, each sewage is improved and carries out the water quality before biochemical treatment；Secondly, First pass through primary sedimentation pond 3 and conditioning tank 4 pre-processed and adjusted to municipal wastewater, then by anaerobic pond 5, anoxic pond 6, Aerobic tank 7 and aeration tank 8 carry out biological treatment step by step and handle, and a metastable microorganism ring is formed in each pond Border is conducive to the selection and active holding of dominant bacteria, guarantees the effluent quality of regenerative system；It is advanced to pass through secondary sedimentation tank 9 are precipitated again, the sediment after reducing into biological treatment in water, finally, by by after biological treatment precipitate after upper layer Clear water is passed through in concentration basin 10 and is concentrated, then is removed microorganisms some in water body by digester 11, improves water quality Degree of purity；It is poured into treated municipal wastewater by level-one Humid Area 12, buffer trench 13 and secondary Humid Area 14, Have the function that utilize again, there is the treatment effect improved to fine particle in sewage, microorganism, harmful substance and peculiar smell, It is improved to regenerate water quality, meet urban water water quality requirement, and the effect that wastewater ocean disposal rate is high.

The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims

1. a kind of municipal sewage system, it is characterised in that: including sequentially connected grid pond (1), setting pot (2), first Sedimentation basin (3), conditioning tank (4), anaerobic pond (5), aeration tank (8), secondary sedimentation tank (9), concentration basin (10), digester (11), Level-one Humid Area (12) and secondary Humid Area (14), set between the level-one Humid Area (12) and secondary Humid Area (14) It is equipped with buffer trench (13), the primary sedimentation pond (3), conditioning tank (4), secondary sedimentation tank (9), concentration basin (10) and digester (11) sludge outlet is all connected at a filter press (15)；The setting pot (2) includes support panel (21), is set to support On panel (21) for receives after grid pond (1) primary filtration the pond body (22) of sewage, be horizontally placed on pond body (22) it is interior and Hinged articulation piece (24) and articulation piece with the spaced apart filter screen of bottom of pond (23) of pond body (22), one end and pond body (22) (24) connection is turned over for driving pond body (22) to be in support panel (21) to slide and drive in support panel (21) a side Turn driving assembly (25) and be set to support panel (21) a side lower section be used for mounted in desilting loading box (26), institute It states driving assembly (25) to be set in support panel (21), be provided with out in the lower end that the pond body (22) is located at filter screen (23) Water hole (221), the apopore (221) connect with primary sedimentation pond (3).

2. municipal sewage system according to claim 1, it is characterised in that: the driving component (25) includes one end The screw rod (251) being rotatably dispose in support panel (21), the mounting rack (252) being rotatably dispose on screw rod (251) other end And it is fixedly installed on the motor in support panel (21), the mounting rack (252) connect with the articulation piece (24).

3. municipal sewage system according to claim 2, it is characterised in that: the mounting rack (252) is towards supporting surface It is connected with T-type locating part (253) on the end face of plate (21), is opened up in pond body (22) glide direction in the support panel (21) Have T-slot (254), T-type locating part (253) the limit sliding is arranged in the T-slot (254).

4. municipal sewage system according to claim 3, it is characterised in that: in the T-slot (254) far from screw rod (251) one end is fixedly installed limited block (255).

5. according to municipal sewage system described in claim 2-4 any one, it is characterised in that: in the mounting rack (252) it is fixedly installed on double end cylinder (29), is fixedly connected with clamping block on the two-piston bar of the double end cylinder (29) (291), it is offered in two symmetrical end faces of the articulation piece (24) clamping groove (241), double end cylinder (29) driving two The depth direction of the clamping block (291) towards clamping groove (241) moves back and forth.

6. municipal sewage system according to claim 1, it is characterised in that: the fixed setting in the pond body (22) Have stock guide (28), the stock guide (28) is arranged with the one side wall of filter screen (23) and pond body (22) in triangular shape, and is led Flitch (28) is arranged on separate pond body (22) side wall connecting with articulation piece (24).

7. municipal sewage system according to claim 1, it is characterised in that: the support panel (21) is far from hinged One end of part (24) is set as the slope being in tilted layout towards loading box (26) direction.

8. municipal sewage system according to claim 1, it is characterised in that: in the anaerobic pond (5) and aeration tank (8) it is provided between anoxic pond (6), the section top clear water of the digester (11) is back in the anoxic pond (6).

9. municipal sewage system according to claim 1, it is characterised in that: the conditioning tank (4) includes successively connecting Coagulative precipitation tank (41), filtering ponds (42) and the sterilization pool (43) connect, the coagulative precipitation tank (41) are connected with for launching The chemicals dosing plant (44) of coagulant polymeric aluminium chloride, the coagulative precipitation tank (41) connect with primary sedimentation pond (3), the disinfection Pond (43) is connect with anaerobic pond (5).

10. municipal sewage system according to claim 1, it is characterised in that: in the pond body (22) towards supporting surface Multiple rotating wheels (27) are provided on the end face of plate (21).