CN103288150B - Flat plate type returned sludge drain grating and compression dehydration integrated device - Google Patents
Flat plate type returned sludge drain grating and compression dehydration integrated device Download PDFInfo
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- CN103288150B CN103288150B CN201310238988.0A CN201310238988A CN103288150B CN 103288150 B CN103288150 B CN 103288150B CN 201310238988 A CN201310238988 A CN 201310238988A CN 103288150 B CN103288150 B CN 103288150B
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- slag
- screen
- grating
- grid
- main body
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- 239000010802 sludge Substances 0.000 title abstract description 8
- 230000018044 dehydration Effects 0.000 title abstract description 4
- 238000006297 dehydration reaction Methods 0.000 title abstract description 4
- 230000006835 compression Effects 0.000 title abstract 5
- 238000007906 compression Methods 0.000 title abstract 5
- 239000010865 sewage Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000005484 gravity Effects 0.000 claims abstract description 6
- 238000007790 scraping Methods 0.000 claims abstract description 6
- 239000002893 slag Substances 0.000 claims description 95
- 238000004140 cleaning Methods 0.000 claims description 7
- 230000013011 mating Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 241001589086 Bellapiscis medius Species 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 239000010954 inorganic particle Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The invention relates to a grating and grating residue compression integrated device for sewage treatment, belonging to the technical field of sewage treatment. The device comprises a grating main body; an overflow weir is arranged in the grating main body; the grating main body is internally provided with a grid plate sliding way and a grid plate; the grating main body is internally provided with a residue scraping system; the grating main body is internally provided with a grating residue conveying compression dehydration system; a main body bracket is arranged outside the grating main body, so that the grating main body is fixed on the ground; the side wall at the upper part of the grating main body has a water inlet hole, and a water outlet is arranged at a sludge hopper at the bottom of the grating main body; the returned sludge passes through the whole device by the action of gravity; compression dehydration is carried out on the produced grating residue by the action of gravity; the whole device is externally connected with a returned sludge system. The grating and grating residue compression integrated device can run in an external connection way, and can effectively remove the particles and entanglement in the sewage treatment biological section by external circulation on the basis of not changing the original building, thus improving the activity of a biological system in the sewage treatment biological section, and being low in energy consumption, low in manufacturing cost and convenient to maintain.
Description
Technical field
The present invention relates to a kind of grid for sewage disposal and grid slag press dewatering integrated apparatus, relate in particular to a kind of sewage water treatment method and grid device for the fibrous twister of returned sluge and floating impurity separation, belong to technical field of sewage.
Background technology
At present, the grid of external interior design and use is mainly used in sewage pretreatment section, for tackling big particle thing and the twister of sewage, the equipment of subsequent technique, pipeline etc. is played a protective role.Raising along with wastewater treatment in China industry standard, in sewage, inorganic particle and twister etc. are removed and are required also to improve thereupon, only in pretreatment section, to the part inorganic particulate matter in sewage and twister removal, can not meet sewage treatment process requirement, need a kind of method and the grid device that can further remove the inert impurities such as inorganic particle and twister in saprobic system badly, and there is not yet in the market method and the grid device of removing inorganic particle and twister in saprobic system.
Summary of the invention
The object of the invention is to overcome existing sewage disposal technology removes not enough to inorganic particle in sewage and twister, provide a kind of for the biologic process for treating sewage with returned sluge, remove method and the grid device of the inert impurities such as inorganic particle and twister in sewage treatment process biosystem active sludge.
Technical scheme of the present invention: flat returned sluge blocks dirty grid and press dewatering integrated apparatus, comprises grill body, grill body is comprised of rectangular parallelepiped and the back taper funnel of the rectangle of upper end; Grill body left end is provided with water-in, and the inner one end of rectangular parallelepiped arranges overflow weir, and overflow weir below, is provided with a screen slideway on rectangular parallelepiped left and right sides two walls, a screen mating with screen slideway is installed on screen slideway; Described screen is inserted in screen slideway and is connected with grill body, and screen front end and overflow weir bottom is connected, and screen is arranged in grill body, screen front end higher than rear end horizontal by certain angle; Screen slideway and screen shape match, front end all higher than rear end horizontal by certain angle; The bottom of rectangular parallelepiped is also provided with high pressure cleaning pipe; The left wall of grill body is provided with the outlet of grid slag, rinse water import and sludge outlet; The right wall of grill body is provided with motor hole; Grill body left side wall is provided with high-pressure cleaning system water inlet pipe and grid slag is carried squeezing system outlet; Described slag system and the grid slag scraped carries squeezing system jointly to form grid slag dehydration squeezing system; Grill body inside is provided with high-pressure cleaning system;
Described overflow weir is connected on the sidewall of grill body left and right, and is connected with grid body front wall, surrounds the box space of a upper opening with grill body, and on grill body antetheca, water-in is positioned at box space; Overflow weir is sawtooth weir or horizontal weir;
Described screen slideway is divided into two of left and right and is individually fixed on the sidewall of grill body left and right, every screen slideway closed bottom can be fixed on screen on slideway, encapsulation process is done in left and right screen slideway and grill body junction, the high rear low certain slope that is before screen slideway;
On screen slideway, be provided with and scrape slag system, the rear end of the inner opposite side of rectangular parallelepiped, screen slideway is connected with grid slag and carries squeezing system;
Back taper funnel one side is provided with a water outlet; Rectangular parallelepiped is connected with back taper funnel, and back taper funnel is positioned at main body rack inside, and rectangular parallelepiped is fixed on ground by main body rack.
The described slag system of scraping is scraped slag chain, some dreg scrapers and is scraped slag drive-motor and form by scraping slag drive shaft, two; Scrape slag system and scrape slag drive-motor and be connected with grill body by motor hole;
Scrape slag drive shaft for two and be horizontally installed in respectively screen slideway two ends, be fixed on the wall of screen left and right, scrape slag chain for two and scrape slag drive shaft by two of gear drivens, scrape for two and between slag chain, be also mounted with some and connect two dreg scrapers of scraping slag chain; Grill body outer end is provided with one and scrapes slag drive-motor, described in scrape slag drive-motor and scrape slag drive shaft and be connected from the right wall motor of screen hole with one;
Scrape slag drive shaft and be connected with drive-motor by the right wall motor of screen hole, the left and right sides has driving chain or transmission belt to be fixed on drive shaft by gear, and some dreg scrapers are fixed between the driving chain or transmission belt of the left and right sides with a determining deviation.
Described grid slag carries squeezing system to be comprised of worm conveyor, spiral conveying groove, helical feed drive-motor, the outlet of grid slag; Described grid slag delivery system is fixed on the wall of grill body left and right, and anterior and screen slideway closed section joins; The described screen end spiral conveying groove horizontal with is connected, spiral conveying groove inside is provided with a worm conveyor, on worm conveyor, helix pitch progressively diminishes to produce squeezing effect, spiral conveying groove one end is connected with the outlet of grid slag, reaches the object of grid slag press dewatering by the updip formula structure of grid slag squeezing system outlet; Described worm conveyor connects helical feed drive-motor, and helical feed drive-motor is positioned at grill body outside; Described grid slag exports into and horn-likely expands gradually, the grid slag outlet certain angle that is inclined upwardly, and grid slag is delivered to grid slag outlet bottom through worm conveyor and is piled up, along with the grid slag that increases of the grid quantity of slag produces press dewatering effect because self gravitation pushes.
The position of described water-in is higher than the position of water outlet, and sewage relies on action of gravity by screen, from water outlet, flows out.Described high-pressure cleaning system is fixed on grill body inside by rinse water import, is positioned at screen below, and grill body outside is left and connect flushing water pump flange.Described screen is fixed on grill body inside by screen slideway.Described grill body is external in returned sluge system or biological tank, for removing particle and the twister of returned sluge or biological tank active sludge; Water-in is higher than screen, and current transmission grating plate current enters in grill body, and the particle in returned sluge and twister are held back by screen and scraped slag system and send into grid slag gathering system; Water outlet is lower than grid slag gathering system.
Beneficial effect of the present invention: the present invention adopts circumscribed operation, is not changing on the basis of original structures, by outer loop, effectively removes particle and the twister in the biological section of sewage disposal, improve biosystem activity in the biological section of sewage disposal, energy consumption is low, cheap, easy to maintenance.Particle under tackling and twister are collected to press dewatering simultaneously, be convenient to subsequent disposal.
Accompanying drawing explanation
Fig. 1 is main sectional view of the present invention.
Fig. 2 is the sectional view of bowing of the present invention.
Fig. 3 is left sectional view of the present invention.
Description of reference numerals: 1, grill body, 2, overflow weir, 3, scrape slag drive shaft, 4, scrape slag chain, 5, dreg scraper, 6, screen slideway, 7, screen, 8, worm conveyor, 9, high pressure cleaning pipe, 10, main body rack, 11, scrape slag drive-motor, 12, spiral conveying groove, 13 helical feed drive-motor, 14, grid slag outlet, 15, water-in, 16, water outlet, 17, scrape slag system, 18, grid slag is carried squeezing system, and 19, rectangular parallelepiped, 20, back taper funnel.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As Figure 1-3, flat returned sluge blocks dirty grid and press dewatering integrated apparatus, comprises grill body 1, and grill body 1 is comprised of rectangular parallelepiped 19 and the back taper funnel 20 of upper end; Grill body 1 left end is provided with water-in 15, and the inner one end of rectangular parallelepiped 19 arranges an overflow weir 2, and overflow weir 2 is connected on the interior antetheca of grill body 1 and inner side-wall; Overflow weir 2 belows, are provided with a screen slideway 6 on rectangular parallelepiped 19 left and right sides two walls; Described screen slideway 6 is divided into two of left and right, is fixed on the sidewall of the inner left and right of grill body 1 respectively with certain gradient (with 5 ° ~ 45 ° of horizontal plane angles), and a screen 7 mating with screen slideway 6 is installed on screen slideway 6; Described screen 7 is inserted in screen slideway 6 and is connected with grill body 1, and screen 7 front ends are connected with overflow weir 2 bottoms, and screen 7 is arranged in grill body 1, and screen 7 front ends are higher than rear end, and the front end of screen slideway 6 is also higher than rear end; The bottom of rectangular parallelepiped 19 is also provided with high pressure cleaning pipe 9;
Described overflow weir 2 one sides are fixed on grill body 1 antetheca, and two ends are connected on grill body 1 left and right sidewall, and overflow weir 2 surrounds a box space with antetheca and the left and right sidewall of grill body 1; Water-in on grill body 1 antetheca is all positioned at box space; Described overflow weir 2 is sawtooth weir or horizontal weir.
On screen slideway 6, be provided with and scrape slag system 17, the rear end of the inner opposite side of rectangular parallelepiped 19, screen slideway 6 is connected with grid slag and carries squeezing system 18;
Back taper funnel 20 1 sides are provided with a water outlet 16; Rectangular parallelepiped 19 is connected with back taper funnel 20, and back taper funnel 20 is positioned at main body rack 10 inside, and rectangular parallelepiped 19 is fixed on ground by main body rack 10.
The described slag system 17 of scraping is scraped slag drive shaft 3, two by two and is scraped slag chain 4, some dreg scrapers 5 and scrape slag drive-motor 11 and form;
Scrape slag drive shaft 3 for two and be horizontally installed in respectively screen slideway 6 two ends, be fixed on the sidewall of the inner left and right of grill body 1, scrape slag chain 4 for two and scrape slag drive shaft 3 by two of gear drivens, scrape and on slag chain 4, be also mounted with some dreg scrapers 5; Grill body 1 outer end is provided with one and scrapes slag drive-motor 11, scrapes slag drive shaft 3 one end and stretches out grill body 1 and be externally connected with and scrape slag drive-motor 11.
Described grid slag carry squeezing system 18 by worm conveyor 8, scrape slag drive-motor 11, spiral conveying groove 12, helical feed drive-motor 13, grid slag outlet 14 and form;
The described screen 7 ends spiral conveying groove 12 horizontal with is connected, and spiral conveying groove 12 inside are provided with a worm conveyor 8, and spiral conveying groove 12 one end are connected with grid slag outlet 14;
Described worm conveyor 8 connects helical feed drive-motor 13, and helical feed drive-motor 13 is positioned at grid slag and exports 14 outsides.The position of described water-in 15 is higher than the position of water outlet 16, and sewage relies on action of gravity by screen 7, from water outlet 16, flows out.
Described grid slag outlet 14 is inclined upwardly, and grid slag is delivered to grid slag through worm conveyor 8 and exported 14 bottoms and pile up, along with the grid slag that increases of the grid quantity of slag produces press dewatering effect because self gravitation pushes.
Returned sluge enters in the box space that overflow weir 2 surrounds in grill body 1 and flow on screen 7 by overflow weir 2 through water-in 15, and returned sluge falls in grill body 1 bottom back taper sludge bucket, by water outlet 16 bleeders after screen interception impurity.
By the grid slag under screen 7 interceptions, scraped slag system and scrape into grid slag and carry squeezing system from screen, through grid slag, carried squeezing system discharger.
Claims (1)
1. flat returned sluge blocks dirty grid and press dewatering integrated apparatus, it is characterized in that: comprise grill body (1), grill body (1) is comprised of rectangular parallelepiped (19) and the back taper funnel (20) of upper end; Grill body (1) left end is provided with water-in (15), the inner one end of rectangular parallelepiped (19) arranges an overflow weir (2), overflow weir (2) below, on rectangular parallelepiped (19) left and right sides two walls, be provided with a screen slideway (6), a screen (7) mating with screen slideway (6) of the upper installation of screen slideway (6); Described screen (7) is inserted in screen slideway (6) and is connected with grill body (1), screen (7) front end is connected with overflow weir (2) bottom, screen (7) is arranged in grill body (1), and screen (7) front end is higher than rear end, and the front end of screen slideway (6) is also higher than rear end; The bottom of rectangular parallelepiped (19) is also provided with high pressure cleaning pipe (9);
On screen slideway (6), be provided with and scrape slag system (17), the rear end of the inner opposite side of rectangular parallelepiped (19), screen slideway (6) is connected with grid slag and carries squeezing system (18);
Back taper funnel (20) one sides are provided with a water outlet (16); Rectangular parallelepiped (19) is connected with back taper funnel (20), and back taper funnel (20) is positioned at main body rack (10) inside, and rectangular parallelepiped (19) is fixed on ground by main body rack (10);
The described slag system (17) of scraping is scraped slag drive shaft (3), two by two and is scraped slag chain (4), some dreg scrapers (5) and scrape slag drive-motor (11) and form;
Scrape slag drive shaft (3) for two and be horizontally installed in respectively screen slideway (6) two ends, scrape slag chain (4) for two and scrape slag drive shaft (3) by two of gear drivens, scrape and on slag chain (4), be also mounted with some dreg scrapers (5); Grill body (1) outer end is provided with one and scrapes slag drive-motor (11), described in scrape slag drive-motor (11) and scrape slag drive shaft (3) and be connected with one;
Described grid slag carries squeezing system (18) to be comprised of worm conveyor (8), spiral conveying groove (12), helical feed drive-motor (13), grid slag outlet (14);
Described screen (7) the end spiral conveying groove (12) horizontal with is connected, and spiral conveying groove (12) inside is provided with a worm conveyor (8), and spiral conveying groove (12) one end is connected with grid slag outlet (14);
Described worm conveyor (8) connects helical feed drive-motor (13), and helical feed drive-motor (13) is positioned at grid slag outlet (14) outside; Described worm conveyor (8) spiral is front wide and rear narrow shape and distributes, and reaches the object of press dewatering; Described grid slag outlet (14) becomes horn-like beloid, and tilts horizontal by 10-45 degree angle, to reach the object of grid slag gravity compressed;
The position of described water-in (15) is higher than the position of water outlet (16), and sewage relies on action of gravity by screen (7), from water outlet (16), flows out;
Described grid slag outlet (14) is inclined upwardly, and grid slag is delivered to grid slag outlet (14) bottom through worm conveyor (8) and piled up, along with the grid slag that increases of the grid quantity of slag produces press dewatering effect because self gravitation pushes;
Described overflow weir (2) is sawtooth weir or horizontal weir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310238988.0A CN103288150B (en) | 2013-06-17 | 2013-06-17 | Flat plate type returned sludge drain grating and compression dehydration integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310238988.0A CN103288150B (en) | 2013-06-17 | 2013-06-17 | Flat plate type returned sludge drain grating and compression dehydration integrated device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103288150A CN103288150A (en) | 2013-09-11 |
| CN103288150B true CN103288150B (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310238988.0A Active CN103288150B (en) | 2013-06-17 | 2013-06-17 | Flat plate type returned sludge drain grating and compression dehydration integrated device |
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| CN (1) | CN103288150B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104973648B (en) * | 2015-07-15 | 2017-05-10 | 哥乐巴环保科技(上海)有限公司 | Double-chain waste-water slag remover |
| CN107158777A (en) * | 2017-06-09 | 2017-09-15 | 广州惟环保科技有限公司 | A kind of pulp water for high concentration low wash water transports separator |
| CN107854897A (en) * | 2017-11-20 | 2018-03-30 | 江苏杜氏环保科技有限公司 | A kind of interior runoff grid pressure filter all-in-one |
| CN109224592A (en) * | 2018-10-29 | 2019-01-18 | 云南红塔蓝鹰纸业有限公司 | A kind of clean paper making sewage treatment filter device |
| CN112742091A (en) * | 2020-12-31 | 2021-05-04 | 中建环能科技股份有限公司 | Filtering and squeezing integrated orifice plate grid |
| CN119280912A (en) * | 2024-12-13 | 2025-01-10 | 中国市政工程华北设计研究总院有限公司 | Channel-coupled ultra-fine grid based on water flow capacity improvement and operation method thereof |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2673933B1 (en) * | 1991-03-13 | 1994-03-04 | Degremont Sa | COMPACT APPARATUS FOR TREATING SLUDGE BY DRIPPING AND PRESSING. |
| CN2622171Y (en) * | 2002-12-24 | 2004-06-30 | 北京海斯顿环保设备有限公司 | Box-like, sprial and integrative type separator |
| JP2005177729A (en) * | 2003-12-22 | 2005-07-07 | Raisen:Kk | Dehydrator |
| CN101134150B (en) * | 2006-08-29 | 2011-01-12 | 黄伟飞 | Screening and sieving apparatus for water treatment |
| CN102688616A (en) * | 2011-03-25 | 2012-09-26 | 江苏天雨环保集团有限公司 | Screw-type grid sewage-removing machine |
| CN202016940U (en) * | 2011-04-29 | 2011-10-26 | 南京蓝深制泵集团股份有限公司 | Helical conveying squeezer |
| CN202764243U (en) * | 2012-08-30 | 2013-03-06 | 北京世纪国瑞环境工程技术有限公司 | Solid-liquid separating equipment for dinning room and kitchen waste |
| CN202878708U (en) * | 2012-10-09 | 2013-04-17 | 安徽红星阀门有限公司 | Auger delivery mill |
| CN202935872U (en) * | 2012-10-26 | 2013-05-15 | 江苏通用环保集团有限公司 | Horizontal section and hoisting section integrated screw conveyor |
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2013
- 2013-06-17 CN CN201310238988.0A patent/CN103288150B/en active Active
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| CN103288150A (en) | 2013-09-11 |
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| C10 | Entry into substantive examination | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20170622 Address after: 300074 Hexi District Meteorological Observatory Road, Tianjin, No. 99 Patentee after: NORTH CHINA MUNICIPAL ENGINEERING DESIGN & RESEARCH INSTITUTE Co.,Ltd. Address before: 300074 No. 44, West Park, Hexi District, Tianjin Patentee before: National Engineering Research Center for Water & Wastewater |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20130911 Assignee: JIANGSU YIHUAN GROUP Co.,Ltd. Assignor: NORTH CHINA MUNICIPAL ENGINEERING DESIGN & RESEARCH INSTITUTE Co.,Ltd. Contract record no.: X2022320000185 Denomination of invention: Flat-type return sludge barrier grille and integrated device for pressing and dewatering Granted publication date: 20140716 License type: Common License Record date: 20220921 |
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