CN106039776A - Novel combined sedimentation tank - Google Patents

Novel combined sedimentation tank Download PDF

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Publication number
CN106039776A
CN106039776A CN201610631272.0A CN201610631272A CN106039776A CN 106039776 A CN106039776 A CN 106039776A CN 201610631272 A CN201610631272 A CN 201610631272A CN 106039776 A CN106039776 A CN 106039776A
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CN
China
Prior art keywords
plate
district
sedimentation
piece
settler
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610631272.0A
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Chinese (zh)
Inventor
郑俊
张德伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUAQI ENVIRONMENT PROTECTION SCIENCE AND TECHNOLOGY Co Ltd
Original Assignee
HUAQI ENVIRONMENT PROTECTION SCIENCE AND TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by HUAQI ENVIRONMENT PROTECTION SCIENCE AND TECHNOLOGY Co Ltd filed Critical HUAQI ENVIRONMENT PROTECTION SCIENCE AND TECHNOLOGY Co Ltd
Priority to CN201610631272.0A priority Critical patent/CN106039776A/en
Publication of CN106039776A publication Critical patent/CN106039776A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02Settling tanks with single outlets for the separated liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/003Sedimentation tanks provided with a plurality of compartments separated by a partition wall
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0039Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B01D21/0042Baffles or guide plates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0039Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B01D21/0051Plurality of tube like channels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24Feed or discharge mechanisms for settling tanks
    • B01D21/2405Feed mechanisms for settling tanks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24Feed or discharge mechanisms for settling tanks
    • B01D21/2433Discharge mechanisms for floating particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24Feed or discharge mechanisms for settling tanks
    • B01D21/245Discharge mechanisms for the sediments

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Sewage (AREA)
  • Removal Of Floating Material (AREA)

Abstract

The invention discloses a novel combined sedimentation tank, which comprises a water distribution ditch, a pre-sedimentation zone, a water distribution zone, a fine sedimentation zone and a water discharging ditch. The pre-sedimentation zone is internally equipped with an inclined plate settler and a sludge thickening cone. The fine sedimentation zone is equipped with an inclined tube settler, a sludge thickening cone, a floating sludge baffle and a floating sludge discharging hopper. The pre-sedimentation zone is used for sedimentation of large flocculent particles and the fine sedimentation zone is used for sedimentation of small flocculent particles. The distance between inclined plates of the inclined plate settler is larger the distance between inclined tubes of inclined tube settler. Through the floating sludge discharging hopper, floating sludge inside the floating sludge baffle is discharged outside the sedimentation tank at a fixed period. The novel combined sedimentation tank provides partition sedimentation for large and small flocculent particles, the advantage of a dual settler is utilized, and distance arrangement of inclined plates and inclined tubes enables the problem of blocking of the inclined plates or the inclined plates to be avoided, thereby achieving a high sedimentation efficiency. Through arrangement of the floating sludge discharging hopper and the floating sludge baffle, the content of floating sludge and suspended matters in discharged water is obviously decreased.

Description

A kind of novel combined sedimentation tank
Technical field
The invention belongs to water-treatment technology field, be specifically related to a kind of novel combined sedimentation tank, can be used for bio-chemical effluent After settlement of sewage.
Background technology
China's domestic sewage in rural areas has distribution dispersion, with a varied topography, pipe network covering imperfection, the spies such as the water yield is unstable Point, is not suitable for using centralized sewage treatment plant to process.Therefore, have at flexible, easy and efficient integrated sewage water Reason equipment arises at the historic moment.But, existing integrated sewage treating apparatus is owing to the device space is little, complex operation, and considers The reasons such as cost, it is difficult to application scraping and sucking machine clears up the mud in sedimentation tank so that existing integrated sewage treating apparatus There is mud in sedimentation tank and can not clear up the deficiency of discharge, sludge settling weak effect in time;Impact (the water quality of various factors fluctuation Fluctuation, anaerobic gas generation phenomenon etc.) Mud up-floating situation can be caused serious, and existing integrated sewage treating apparatus is also without controlling Floating mud scum and go out the technical measures that aqueous suspension exceeds standard, the mud scum of rising flows out with current and causes aqueous suspension serious outside pond Exceed standard.
China is commonly used tube settler in integrated sewage treating apparatus, and deposition efficiency has obtained significantly carrying Height, but owing to inclined tube filler aperture is relatively small, too much mud deposits on inclined tube and deposition and blocking often can occur, even Be collapsed inclined tube, can have a strong impact on discharge capacity and sedimentation effect simultaneously.Actually in tube settler, current are pulsation, this It is because, when in inclined tube, big flocculating body material produces relative motion with water in precipitation, micro cyclone to be produced after big flocculating body, this The generation of a little vortexs and motion cause the pulsation of current.These pulsation do not have anything to affect for the precipitation of big flocculating body material, Precipitation for little floc particle material serves backwater effect, so the most just have impact on effluent quality, and big flocculating body particulate matter Existence limit the treatment effect of tube settler, single tube settler treatment effect can not reach preferable precipitation effect Really.Traditional theory is thought, small space betddn slanting board sedimentation settler can effectively suppress the pulsation of current, hence it is evident that improve little cotton-shaped particulate matter Deposition condition and deposition efficiency;But effect of settling depends on settling area rather than the time of staying, relative to equal angular For the inclined plate settler of spacing, inclined tube settler has bigger settling area, so the little wadding of the precipitation of inclined tube settler The efficiency of shape particulate matter is higher than inclined plate settler;For little cotton-shaped particulate matter, relative to inclined tube settler, single is oblique Plate settler floor space is bigger, and treatment effeciency is relatively low.
Summary of the invention
The present invention is directed to that existing sedimentation tank exists sedimentation effect is poor, clarifier sludge floating and go out aqueous suspension and exceed standard Problem, it is proposed that a kind of novel combined sedimentation tank structure, is remarkably improved the sedimentation effect of mud, substantially reduces mud simultaneously Float and go out water suspension content.
For achieving the above object, the present invention provides a kind of novel combined sedimentation tank, including distributing channel, preliminary sedimentation district, water distribution District, Jing Chen district, outlet canal, it is characterised in that: described distributing channel is connected by first piece of baffle plate with preliminary sedimentation district;In preliminary sedimentation district It is provided with inclined plate settler, bottom preliminary sedimentation district, is provided with sludge condensation bucket and mud discharging mouth;Preliminary sedimentation district and water distributing area are by second piece of baffle plate Being connected, water distributing area is connected by the 3rd piece of baffle plate with Jing Chen district, and the 4th piece of baffle plate is connected with pond base plate, pool wall;Essence is heavy Being provided with inclined tube settler in district, be provided with sludge condensation bucket and mud discharging mouth bottom Jing Chen district, top is provided with row's mud scum funnel and gear is floating Mud plate.
Described second piece of baffle plate bottom, the 3rd piece of baffle plate bottom, the 4th piece of baffle plate are 60 ° with pond base plate;Second piece of gear Plate and the 3rd piece of baffle plate level interval 60 ~ 200mm.
Described inclined plate settler (5) inner swash plate spacing is 60mm ~ 150mm, the setting angle of swash plate and level be 45 ° ~ 60 °, the swash plate spacing in inclined plate settler is slightly larger than the inclined tube spacing in inclined tube settler.
Described row's mud scum funnel top water clearance is 10mm ~ 50mm, and spoil disposal its lower portion is provided with spoil disposal pipeline.
Described gear mud floating plate and horizontal direction are 60 ° ~ 90 °, and between gear mud floating plate and horizontal direction, angle can be according to crossing water Flow carries out free adjustment, and gear mud floating plate bottom is away from inclined tube settler top 100mm ~ 600mm, and gear mud floating plate upper end is from water Face is tall and big in 50mm.
The volume of described distributing channel is the 5 ~ 20% of cell body total measurement (volume);The volume in preliminary sedimentation district be cell body total measurement (volume) 20% ~ 45%;The volume in Jing Chen district is the 40% ~ 60% of cell body total measurement (volume);The volume of outlet canal is the 1% ~ 5% of cell body total measurement (volume).
First, tradition settling zone is divided into preliminary sedimentation district and Jing Chen district by the present invention, first passes through the oblique of big spacing in preliminary sedimentation district Big cotton-shaped particulate matter in sewage is carried out preformed precipitate by plate settler, solves the blocking of inclined tube or problem etc. of subsiding simultaneously, then Utilize the inclined tube settler in Jing Chen district that little cotton-shaped particulate matter carries out essence precipitation, make full use of inclined plate settler and inclined tube sinks The two-fold advantage of fall device, is greatly improved deposition efficiency and the effluent quality of sedimentation tank;Secondly, top, Jing Chen district arranges gear mud floating plate With spoil disposal funnel, solve the clarifier sludge On The Floating of integration apparatus, improve effluent quality.The present invention can be according to crossing current Amount carries out freely adjusting the gear mud floating plate of level angle, stops the floating mud scum on liquid level, prevents it from flowing into outlet canal, ensures out Water water quality;The present invention, by the row's mud scum funnel arranged and discharge pipeline, periodically turns on the valve on discharge pipeline, utilizes gravity to make With, the floating sludge of liquid level is discharged by row's mud scum funnel and discharge pipeline, ensures the treatment effect of sedimentation tank.Finally, in advance Heavy district and Jing Chen district respectively arrange a sludge condensation bucket, it is easier to discharged by mud, reduce deposition and the generation of mud scum.
Accompanying drawing explanation
Fig. 1 is the structural representation of the novel combined sedimentation tank of the present invention.
Fig. 1: 1, novel combined sedimentation tank, 2, distributing channel, 3, first piece of baffle plate, 4, preliminary sedimentation district, 5, inclined plate settler, 6, Sludge condensation bucket, 7, mud discharging mouth, 8, second piece of baffle plate, the 9, the 3rd piece of baffle plate, 10, water distributing area, 11, Jing Chen district, 12, tube settler Device, 13, sludge condensation bucket, 14, mud discharging mouth, the 15, the 4th piece of baffle plate, 16, the clarification water surface, 17, row's mud scum funnel, 18, gear mud scum Plate, 19, outlet canal, 20, spoil disposal pipeline.
Detailed description of the invention
As it is shown in figure 1, the novel combined sedimentation tank of the one of the present invention includes, preliminary sedimentation district (4), water distributing area (10), essence are heavy District (11), outlet canal (19), distributing channel (2) is connected by first piece of baffle plate (3) with preliminary sedimentation district (4);Preliminary sedimentation district is provided with in (4) Inclined plate settler (5), preliminary sedimentation district (4) bottom is provided with sludge condensation bucket (6) and mud discharging mouth (7);Preliminary sedimentation district (4) and water distributing area (10) Being connected by second piece of baffle plate (8), water distributing area (10) are connected by the 3rd piece of baffle plate (9) with Jing Chen district (11);Jing Chen district (11) being provided with inclined tube settler (12) in, Jing Chen district (11) bottom is provided with sludge condensation bucket (13) and mud discharging mouth (14), and top sets There are row's mud scum funnel (17) and gear mud floating plate (18).Second piece of baffle plate (8) bottom, the 3rd piece of baffle plate (9) bottom, the 4th piece of baffle plate (15) with pond base plate be 60 °, the 4th piece of baffle plate is connected with pond base plate, pool wall;Second piece of baffle plate (8) and the 3rd piece of baffle plate (9) Level interval 90mm.Inclined plate settler (5) inner swash plate spacing is 120mm, and the setting angle of swash plate and level are 55 °, and swash plate sinks Swash plate spacing in fall device is slightly larger than the inclined tube spacing in inclined tube settler.Row mud scum funnel (17) top water clearance is 30m, spoil disposal funnel (17) bottom is provided with spoil disposal pipeline (20).Gear mud floating plate (18) and horizontal direction are 60 ° ~ 90 °, keep off mud floating plate (18) angle can carry out free adjustment according to water flow and between horizontal direction, and gear mud floating plate (18) bottom is away from inclined tube settler (12) top 400mm, gear mud floating plate (18) upper end from a height of 80mm of the water surface, a diameter of 40mm of inclined tube in inclined tube settler. Volume is cell body total measurement (volume) the 5% of distributing channel (10);Volume is cell body total measurement (volume) the 35% of preliminary sedimentation district (4);Jing Chen district (11) Volume is cell body total measurement (volume) 55%;Volume is cell body total measurement (volume) the 5% of outlet canal (19).
Sewage after biochemical treatment is by distributing channel (2) and first piece of baffle plate (3) bottom and from bottom to top flows into preliminary sedimentation district (4) inclined plate settler (5) in, most big cotton-shaped particulate matter and the little cotton-shaped particulate matter of fraction in sewage exist Inclined plate settler (5), through gravitational settling, is then deposited in sludge condensation bucket (6);Sewage after preliminary sedimentation is via second Inclined tube settler (12) bottom that the water distributing area (10) that block baffle plate 8 and the 3rd piece of baffle plate (9) form flow in Jing Chen district (11), several The big cotton-shaped particulate matter of all of little cotton-shaped particulate matter and fraction in inclined tube settler (12) through gravitational settling, The mud of precipitation can pass through the 4th piece of baffle plate (15) and angled section, the bottom landing of second piece of baffle plate (8) and be settled down to thickening cone (13) In, sludge condensation bucket (6) and thickening cone (13) are periodically discharged outside pond by mud discharging mouth (7);The mud floated is kept off mud floating plate (18) it is blocked in the inner side of gear mud floating plate (18), the valve opened on 1 spoil disposal pipeline (20) for every 0.5 day, is suspended in the water surface Mud is flowed out through spoil disposal funnel (17) and spoil disposal pipeline (20) with sewage by action of gravity;Through Jing Chen district place of settling Sewage after reason flows into outlet canal (19) by gear mud floating plate (18) bottom, is then gone out by final outflow water bank of tubes.
The above only further illustrates the technology contents of the present invention with embodiment, in order to reader is easier to understand, But not representing embodiments of the present invention and be only limitted to this, any technology done according to the present invention extends or recreation, all by this Bright protection.

Claims (6)

1. a novel combined sedimentation tank, including distributing channel, preliminary sedimentation district, water distributing area, Jing Chen district, outlet canal, it is characterised in that: Described distributing channel is connected by first piece of baffle plate with preliminary sedimentation district;Being provided with inclined plate settler in preliminary sedimentation district, preliminary sedimentation sets bottom district There are sludge condensation bucket and mud discharging mouth;Preliminary sedimentation district is connected by second piece of baffle plate with water distributing area, and water distributing area and Jing Chen district are by the Three pieces of baffle plates are connected, and the 4th piece of baffle plate is connected with pond base plate, pool wall;Inclined tube settler it is provided with, at the bottom of Jing Chen district in Jing Chen district Portion is provided with sludge condensation bucket and mud discharging mouth, and top is provided with row's mud scum funnel and gear mud floating plate.
The novel combined sedimentation tank of one the most according to claim 1, is characterized in that second piece of baffle plate bottom, the 3rd piece of gear Plate bottom, the 4th piece of baffle plate are 60 ° with pond base plate;Second piece of baffle plate and the 3rd piece of baffle plate level interval 60 ~ 200mm.
The novel combined sedimentation tank of one the most according to claim 1, is characterized in that inclined plate settler inner swash plate spacing is 60mm ~ 150mm, the setting angle of swash plate and level are 45 ° ~ 60 °, and the swash plate spacing in inclined plate settler is more than inclined tube settler Interior inclined tube spacing.
The novel combined sedimentation tank of one the most according to claim 1, it is characterized in that arrange mud scum funnel top from the water surface away from From for 10mm ~ 50mm, spoil disposal its lower portion is provided with spoil disposal pipeline.
The novel combined sedimentation tank of one the most according to claim 1, is characterized in that keeping off mud floating plate with horizontal direction is 60 ° ~ 90 °, between gear mud floating plate and horizontal direction, angle can carry out free adjustment according to water flow, and gear mud floating plate bottom sinks away from inclined tube Fall device top 100mm ~ 600mm, gear mud floating plate upper end is tall and big in 50mm from the water surface.
The novel combined sedimentation tank of one the most according to claim 1, is characterized in that the volume of distributing channel is that cell body always holds Long-pending 5 ~ 20%;The volume in preliminary sedimentation district is the 20% ~ 45% of cell body total measurement (volume);The volume in Jing Chen district be cell body total measurement (volume) 40% ~ 60%;The volume of outlet canal is the 1% ~ 5% of cell body total measurement (volume).
CN201610631272.0A 2016-08-04 2016-08-04 Novel combined sedimentation tank Pending CN106039776A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107998690A (en) * 2018-01-09 2018-05-08 山西省水产育种养殖科学实验中心 A kind of funnel water channel for separating suspended matter in fish culture in running water waste water
CN108379885A (en) * 2018-03-14 2018-08-10 王金 A kind of detention tank and its combined-flow are from clear method
CN108394988A (en) * 2018-05-11 2018-08-14 江苏中矩环保科技有限公司 A kind of three phase separation settler of wastewater biochemical processing
CN108854175A (en) * 2018-05-30 2018-11-23 董林妤 A kind of purification tank for liquid waste of boiler power generation system
CN113577842A (en) * 2021-07-05 2021-11-02 张国军 Pretreatment device for high-salt wastewater generated in process of preparing ethylene glycol from coal

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107998690A (en) * 2018-01-09 2018-05-08 山西省水产育种养殖科学实验中心 A kind of funnel water channel for separating suspended matter in fish culture in running water waste water
CN108379885A (en) * 2018-03-14 2018-08-10 王金 A kind of detention tank and its combined-flow are from clear method
CN108394988A (en) * 2018-05-11 2018-08-14 江苏中矩环保科技有限公司 A kind of three phase separation settler of wastewater biochemical processing
CN108854175A (en) * 2018-05-30 2018-11-23 董林妤 A kind of purification tank for liquid waste of boiler power generation system
CN113577842A (en) * 2021-07-05 2021-11-02 张国军 Pretreatment device for high-salt wastewater generated in process of preparing ethylene glycol from coal
CN113577842B (en) * 2021-07-05 2022-06-24 张国军 Pretreatment device for high-salt wastewater generated in process of preparing ethylene glycol from coal

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Application publication date: 20161026