CN103288150A - 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 PDF

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Publication number
CN103288150A
CN103288150A CN2013102389880A CN201310238988A CN103288150A CN 103288150 A CN103288150 A CN 103288150A CN 2013102389880 A CN2013102389880 A CN 2013102389880A CN 201310238988 A CN201310238988 A CN 201310238988A CN 103288150 A CN103288150 A CN 103288150A
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China
Prior art keywords
slag
grid
screen
grating
main body
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CN2013102389880A
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CN103288150B (en
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孙永利
李鹏峰
隋克俭
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North China Municipal Engineering Design and Research Institute Co Ltd
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NATIONAL CITY WATER SUPPLY AND DRAINAGE ENGINEERING TECHNOLOGY RESEARCH CENTER
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Priority to CN201310238988.0A priority Critical patent/CN103288150B/en
Publication of CN103288150A publication Critical patent/CN103288150A/en
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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

Flat returned sluge blocks dirty grid and press dewatering integrated apparatus
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, external in the grid of design and use be mainly used in the sewage pretreatment section, be used for big particle thing and the twister of interception sewage, the equipment of subsequent technique, pipeline etc. are played a protective role.Raising along with the wastewater treatment in China industry standard, inorganic particle and twister etc. are removed and are required also to improve thereupon in the sewage, only can not satisfy the sewage treatment process requirement in pretreatment section to the part inorganic particulate matter in the sewage and twister removal, need a kind of method and the grid device that can further remove inert impurities such as inorganic particle and twister in the saprobic system badly, and do not see method and the grid device of removing inorganic particle and twister in the saprobic system in the market as yet.
Summary of the invention
The objective of the invention is to overcome existing sewage disposal technology removes not enough to inorganic particle in the sewage and twister, provide a kind of for the biologic process for treating sewage of taking back stream mud, remove method and the grid device of inert impurities such as inorganic particle and twister in the 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, and grill body is made up of rectangular parallelepiped and the back taper funnel of the rectangle of upper end; The grill body left end is provided with water-in, and the inner end of rectangular parallelepiped arranges overflow weir, and the overflow weir below is provided with a screen slideway on rectangular parallelepiped left and right sides two walls, a screen that mates with the screen slideway is installed on the screen slideway; Described screen is inserted in the screen slideway and links to each other with grill body, and the screen front end links to each other with the overflow weir bottom, and screen is arranged in grill body, and the screen front end is higher than the rear end horizontal by certain angle; Screen slideway and screen shape are complementary, and front end all is higher than the rear end horizontal by certain angle; The bottom of rectangular parallelepiped also is provided with the high pressure cleaning pipe; Grill body left side wall is provided with the outlet of grid slag, rinse water import and sludge outlet; The right wall of grill body is provided with the motor hole; The grill body left side wall is provided with high pressure cleaning system water inlet pipe and the grid slag is carried the squeezing system outlet; Described slag system and the grid slag scraped carries the squeezing system to constitute grid slag dehydration squeezing system jointly; Grill body inside is provided with the high pressure cleaning system;
Described overflow weir is connected on the sidewall of the grill body left and right sides, and links to each other with the grid body front wall, surrounds the box space of a upper opening with grill body, and water-in is positioned at the box space on the grill body antetheca; Overflow weir is sawtooth weir or horizontal weir;
Two were individually fixed on the sidewall of the grill body left and right sides about described screen slideway was divided into, every screen slideway closed bottom can be fixed in screen on the slideway, encapsulation process is done in left and right sides screen slideway and grill body junction, the low certain slope that is in high back before the screen slideway;
Be equipped with on the screen slideway and scrape slag system, the rear end of the inner opposite side of rectangular parallelepiped, screen slideway is connected with the grid slag and carries the squeezing system;
Back taper funnel one side is provided with a water outlet; Rectangular parallelepiped is connected with the back taper funnel, and the back taper funnel is positioned at main body rack inside, and rectangular parallelepiped is fixed on the ground by main body rack.
The described slag system of scraping is scraped slag chain, some dreg scrapers and is scraped the slag drive-motor and form by scraping slag drive shaft, two; Scrape slag system and scrape the slag drive-motor and be connected with grill body by the motor hole;
Scrape the slag drive shaft for two and be horizontally installed in screen slideway two ends respectively, be fixed on the wall of the screen left and right sides, scrape the slag chain for two and scrape the slag drive shaft by two of gear drivens, scrape for two and also be mounted with two dreg scrapers of scraping the slag chain of some connections between the slag chain; The grill body outer end is equipped with one and scrapes the slag drive-motor, and the described slag drive-motor of scraping is scraped the slag drive shaft and is connected from the right wall motor of screen hole with one;
Scrape the slag drive shaft and link to each other 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 the 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 the squeezing system to be made up 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 the grill body left and right sides, and anterior and screen slideway closed section joins; Described screen is terminal to be connected with a horizontal spiral conveying groove, spiral conveying groove inside is provided with a worm conveyor, helix pitch progressively diminishes to produce the squeezing effect on the worm conveyor, spiral conveying groove one end is connected with the outlet of grid slag, reaches the purpose of grid slag press dewatering by the updip formula structure of grid slag squeezing system outlet; Described worm conveyor connects the helical feed drive-motor, and the helical feed drive-motor is positioned at the grill body outside; Described grid slag exports into and horn-likely enlarges gradually, the grid slag outlet certain angle that is inclined upwardly, and the 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 the 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, flows out from water outlet.Described high pressure cleaning system is fixed in grill body inside by the rinse water import, is positioned at the screen below, and the grill body outside is left and connect the flushing water pump flange.Described screen is fixed in grill body inside by the screen slideway.Described grill body is external in returned sluge system or biological tank, is used 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 is gone in the grid main body, and the particle in the 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 the circumscribed operation, on the basis that does not change original structures, effectively removes interior particle and the twister of the biological section of sewage disposal by outer loop, improve biosystem activity in the biological section of sewage disposal, energy consumption is low, and is cheap, easy to maintenance.Simultaneously the particle under tackling and twister are collected press dewatering, be convenient to subsequent disposal.
Description of drawings
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 the slag drive shaft, 4, scrape the slag chain, 5, dreg scraper, 6, the screen slideway, 7, screen, 8, worm conveyor, 9, high pressure cleaning pipe, 10, main body rack, 11, scrape the 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, the grid slag is carried the squeezing system, and 19, rectangular parallelepiped, 20, the back taper funnel.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As Figure 1-3, flat returned sluge blocks dirty grid and press dewatering integrated apparatus, comprises grill body 1, and grill body 1 is made up 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 rectangular parallelepiped 19 inner ends arrange an overflow weir 2, and overflow weir 2 is connected on grill body 1 interior antetheca and the inner side-wall; Overflow weir 2 belows are provided with a screen slideway 6 on rectangular parallelepiped 19 left and right sides two walls; About described screen slideway 6 is divided into two, be fixed on the grill body 1 inner left and right sides sidewall with certain gradient (with 5 ° ~ 45 ° of horizontal plane angles) respectively, a screen 7 that mates with screen slideway 6 is installed on the screen slideway 6; Described screen 7 is inserted in the screen slideway 6 and links to each other with grill body 1, and screen 7 front ends link to each other with overflow weir 2 bottoms, and screen 7 is arranged in grill body 1, and screen 7 front ends are higher than the rear end, and the front end of screen slideway 6 also is higher than the rear end; The bottom of rectangular parallelepiped 19 also is provided with high pressure cleaning pipe 9;
Described overflow weir 2 one sides are fixed on grill body 1 antetheca, and two terminate on grill body 1 left and right sides sidewall, and overflow weir 2 surrounds a box space with antetheca and the left and right sides sidewall of grill body 1; Water-in on grill body 1 antetheca all is positioned at the box space; Described overflow weir 2 is sawtooth weir or horizontal weir.
Be equipped with on the screen slideway 6 and scrape slag system 17, the rear end of rectangular parallelepiped 19 inner opposite sides, screen slideway 6 is connected with the 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 the 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 screen slideway 6 two ends respectively, be fixed on the grill body 1 inner left and right sides sidewall, scrape slag chain 4 for two and scrape slag drive shaft 3 by two of gear drivens, scrape and also be mounted with some dreg scrapers 5 on the slag chain 4; Grill body 1 outer end is equipped with one and scrapes slag drive-motor 11, scrapes slag drive shaft 3 one ends 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;
Described screen 7 is terminal to be connected with a horizontal spiral conveying groove 12, and spiral conveying groove 12 inside are provided with a worm conveyor 8, and spiral conveying groove 12 1 ends export 14 with the grid slag and are connected;
Described worm conveyor 8 connects helical feed drive-motor 13, and helical feed drive-motor 13 is positioned at the 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, flows out from water outlet 16.
Described grid slag outlet 14 is inclined upwardly, and the grid slag is delivered to the 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 the press dewatering effect because self gravitation pushes.
Returned sluge enters overflow weir 2 through water-in 15 and flow on the screen 7 by overflow weir 2 in the box space that grill body 1 surrounds, and returned sluge falls in the grill body 1 bottom back taper sludge bucket, by water outlet 16 bleeders behind screen interception impurity.
Scraped slag system by the grid slag under screen 7 interceptions and scraped into grid slag conveying squeezing system from screen, carried squeezing system discharger through the grid slag.

Claims (6)

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 made up 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 end of rectangular parallelepiped (19) arranges an overflow weir (2), overflow weir (2) below, be provided with a screen slideway (6) on rectangular parallelepiped (19) left and right sides two walls, screen slideway (6) is gone up a screen (7) that mates with screen slideway (6) is installed; Described screen (7) is inserted in the screen slideway (6) and links to each other with grill body (1), screen (7) front end links to each other with overflow weir (2) bottom, screen (7) is arranged in grill body (1), and screen (7) front end is higher than the rear end, and the front end of screen slideway (6) also is higher than the rear end; The bottom of rectangular parallelepiped (19) also is provided with high pressure cleaning pipe (9);
Be equipped with on the screen slideway (6) and scrape slag system (17), the rear end of the inner opposite side of rectangular parallelepiped (19), screen slideway (6) is connected with the 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 the ground by main body rack (10).
2. flat returned sluge blocks dirty grid and press dewatering integrated apparatus according to claim 1, it is characterized in that: 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 screen slideway (6) two ends respectively, scrape slag chain (4) for two and scrape slag drive shaft (3) by two of gear drivens, scrape and also be mounted with some dreg scrapers (5) on the slag chain (4); Grill body (1) outer end is equipped with one and scrapes slag drive-motor (11), and the described slag drive-motor (11) of scraping is scraped slag drive shaft (3) and is connected with one.
3. flat returned sluge blocks dirty grid and press dewatering integrated apparatus according to claim 1, it is characterized in that: described grid slag carries squeezing system (18) to be made up of worm conveyor (8), spiral conveying groove (12), helical feed drive-motor (13), grid slag outlet (14);
Described screen (7) is terminal to be connected with a horizontal spiral conveying groove (12), and spiral conveying groove (12) inside is provided with a worm conveyor (8), and spiral conveying groove (12) one ends export (14) with the grid slag and are connected;
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 purpose of press dewatering; It is horn-like beloid that described grid slag outlet (14) becomes, and tilt horizontal by 10-45 degree angle, to reach the purpose of grid slag gravity compression.
4. flat returned sluge blocks dirty grid and press dewatering integrated apparatus according to claim 1, it is characterized in that: the position of described water-in (15) is higher than the position of water outlet (16), sewage relies on action of gravity by screen (7), flows out from water outlet (16).
5. flat returned sluge blocks dirty grid and press dewatering integrated apparatus according to claim 1, it is characterized in that: described grid slag outlet (14) is inclined upwardly, the grid slag is delivered to grid slag outlet (14) bottom through worm conveyor (8) and is piled up, along with the grid slag that increases of the grid quantity of slag produces the press dewatering effect because self gravitation pushes.
6. flat returned sluge blocks dirty grid and press dewatering integrated apparatus according to claim 1, it is characterized in that: described overflow weir (2) is sawtooth weir or horizontal weir.
CN201310238988.0A 2013-06-17 2013-06-17 Flat plate type returned sludge drain grating and compression dehydration integrated device Active CN103288150B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104973648A (en) * 2015-07-15 2015-10-14 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

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1064665A (en) * 1991-03-13 1992-09-23 德格雷蒙特公司 Compact apparatus by draining and extrusion process mud
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
CN101134150A (en) * 2006-08-29 2008-03-05 黄伟飞 Screening and sieving apparatus for water treatment
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
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
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

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1064665A (en) * 1991-03-13 1992-09-23 德格雷蒙特公司 Compact apparatus by draining and extrusion process mud
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
CN101134150A (en) * 2006-08-29 2008-03-05 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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104973648A (en) * 2015-07-15 2015-10-14 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

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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

EE01 Entry into force of recordation of patent licensing contract
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