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CN103866747A - Thin type ultra-fine rotating grating trash remover - Google Patents

Thin type ultra-fine rotating grating trash remover Download PDF

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Publication number
CN103866747A
CN103866747A CN201410125181.0A CN201410125181A CN103866747A CN 103866747 A CN103866747 A CN 103866747A CN 201410125181 A CN201410125181 A CN 201410125181A CN 103866747 A CN103866747 A CN 103866747A
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CN
China
Prior art keywords
composite member
filter plate
chain
trash rake
rotary grate
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Granted
Application number
CN201410125181.0A
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Chinese (zh)
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CN103866747B (en
Inventor
尹志强
荣杰
钱登
尹曙辉
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.)
China Energy Saving Zhaosheng Environmental Protection Co., Ltd.
Original Assignee
JIANGSU ZHAOSHENG ENVIRONMENTAL PROTECTION GROUP CO Ltd
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Priority to CN201410125181.0A priority Critical patent/CN103866747B/en
Publication of CN103866747A publication Critical patent/CN103866747A/en
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Publication of CN103866747B publication Critical patent/CN103866747B/en
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Abstract

The invention discloses a thin type ultra-fine rotating grating trash remover. A machine frame is arranged in a water channel in an inclined mode. Filter plates are arranged between a left chain and a right chain. A driving motor drives a main chain wheel to drive the filter plates to rotate along rails through the left chain and the right chain so that sewage can be lifted to the upper portion of a machine frame from the upstream face of the water channel and slag can fall. The width of the filter plates is at least two times the length of each chain link of the chains. According to the thin type ultra-fine rotating grating trash remover, displacement, in the front and back direction, generated when the links rotate is compensated for through open grooves, and therefore the main problem of applying the narrow-spacing chains to the rotating grating trash remover is solved. The diameter of the chain wheel corresponding to the narrow-spacing chains can be greatly reduced, the thickness of the trash remover is obviously reduced, manufacturing cost is directly reduced, the height of a baffle at the bottom of the water channel is reduced, the effective filtration area of the trash remover is enlarged, and filter efficiency is higher.

Description

Slim ultra-fine rotary grate trash rake
Technical field
The present invention relates to environmental protection equipment field, especially a kind of slim ultra-fine rotary grate trash rake.
Background technology
Rotary grate trash rake is widely used in the intake of the facilities such as Wastewater Treatment Plant, drinking water intake, large hydropower station, lake, river comprehensive administration project, rainwater water drainage and sewage lifting pump station, the water surface is salvaged and be lifted out to this equipment by water source intake floating thing and deposit by filter screen composite member, in the time that the rotation of filter screen composite member turns to top, dirt is poured in dirt hopper; Water channel current are by flowing to water purification region, rear portion after grid filtration.Disclosed equipment as shown in Figure 1 for the applicant's patent of invention " the anti-formula grilling trash remover that drags for of 201110192178.7---", this equipment was to be arranged in water channel road with larger inclination alpha=60~80 of horizontal plane degree, filter plate filter bores is larger, diameter is 2~12mm, is applicable to processing the filtration occasion that impurity diameter is large, the water surface is higher.If filter mesh is reduced, filter effect must improve, but can increase because of filtration resistance simultaneously, and water amount can reduce, therefore need equipment to set level, as shown in Figure 2, to be arranged in water channel road as 20~60 degree with the less inclination alpha of horizontal plane, the screen area now contact with the water surface increases a lot, effectively improve filter area, with reference to Fig. 1 Fig. 2, filter area can be increased to S2 from S1, has compensated the water amount that reduces impact because of filter opening.In a few thing occasion, be the ultra-fine grid of 0.01~2mm if need to adopt filter opening diameter, equipment must be obliquely installed with the little angle [alpha] of trying one's best.
The filter plate of rotary grate trash rake is arranged on the middle part between the chain of both sides, and chain, under drive sprocket drives, drives filter plate revolution.Conventionally the chain that adopts coarse pitch in existing equipment, pitch is about 200~300mm, and width and the chain link plate of filter plate are equal in length, and filter plate equates with the number of chain link, and so filter plate is easy to realize revolution at the top and bottom of equipment.The off-gauge coarse pitch of chain strip adoption, revolution sprocket wheel also needs to be customized to the nonstandard sprocket wheel of large chain link, and processing cost is larger, need to go again and produce separately accessory, complicated trouble when repair and replacement.And because pitch is large and nonstandard production, therefore fit tolerance is very large, chain rocks very large in when revolution, turns round unstable and easy de-chain chain jamming.
Because sprocket diameter is large, therefore whole equipment is thicker at thickness direction, as shown in Figure 2, the thickness t 2 of equipment is generally 600~800mm, filter plate while revolution due to device bottom is not participated in filtration, thereby the height of baffle plate H2 of water channel bottom is also than H1 increase, has caused reducing of discharge area, especially for the lower water channel of the water surface, effectively water amount significantly reduces.
In real work, because the filter screen of ultra-fine grid is very thin, impact resistance is poor, is easier to breakage, thereby maintain and replace is more frequent, and existing trash rake structure is difficult to quickly dismantled and changes.And existing trash rake generally adopts the slag removal tools such as hairbrush to clean filter screen wire side, for ultra-fine filter screen, hairbrush bristle is difficult to enter mesh, thereby scarfing cinder effect is undesirable.
Summary of the invention
The applicant is larger for above-mentioned existing grilling trash remover pitch, device thickness is thicker, the nonstandard production of chain and sprocket wheel, the high and fluctuation of service of cost adopts after fine fack simultaneously, equipment needs small inclination setting, the shortcoming such as cause that water amount reduces, provides a kind of slim ultra-fine rotary grate trash rake rational in infrastructure, thereby can adopt standard chain, stripping apparatus thickness, is guaranteeing to realize large water amount under filter effect prerequisite.
The technical solution adopted in the present invention is as follows:
A kind of slim ultra-fine rotary grate trash rake, be arranged in water channel rack inclining, between two chains of left and right, filter plate is installed, drive motors drives drive sprocket, turn round along track by the left and right each filter plate of two chain-drivings, dirt is promoted to the upper rack slag that falls, the length that the width of described filter plate is at least two chain link plates from the upstream face of water channel.
Further improvement as technique scheme: described filter plate is made up of the filter screen of sheet frame and surface coverage thereof, the side of sheet frame has former and later two hole slots, and bearing pin is from through centre bore, the open slot of last chain link and the circular hole of a rear chain link of chain link, two adjacent groups filter plate being coupled together successively outside to inside; The centre bore of the chain link in interval at least between adjacent two bearing pins.
The standard pitch of described chain strip adoption 28A~48A.
Described open slot is arranged on independently to be expanded on sheet, and expansion sheet is fixed on the side of sheet frame.
Described filter screen is ultra-fine filter opening, and filter opening diameter is 0.01~2mm.
Described frame is to be arranged at obliquely in water channel compared with small inclination α with horizontal plane, and described inclination alpha=20~60 are spent.
To filter plate carry out clean slag cleaning device comprise air knife composite member, bath composite member, with the material-falling hopper of bottom, after bath composite member is positioned at air knife composite member, air knife composite member with the nozzle of bath composite member all downwards just to the lower side filter plate after revolution.
Material-falling hopper is divided into slag-removing hopper and is rinsed bucket by dividing plate, and slag-removing hopper is positioned at air knife composite member below, rinses bucket and is positioned at bath composite member below, rinses bucket bottom discharging tube is set, and the anterior influent side of rotary grate trash rake is led in discharging tube outlet.
Described slag cleaning device has also comprised water suction composite member, and water suction composite member is arranged on the upper side filter plate below before revolution, inhales box for the uncovered air intake suitable with filter plate length dimension, and opening, towards filter plate, utilizes blower fan to aspirate and carries out negative pressure dehydration.
Beneficial effect of the present invention is as follows:
Filter plate width of the present invention equals multiple chain pitch sums, and utilize open slot to compensate chain link moving forward and backward of producing of when revolution, thereby has solved fine pith chain and be applied to the main bugbear of rotary grate trash rake.The sprocket diameter that fine pith chain is corresponding can significantly reduce, and the obvious attenuate of thickness of trash rake, has not only directly reduced manufacturing cost, and the height of baffle plate reduction of water channel bottom, and trash rake effective filtration area is more, and filter efficiency is higher.
The present invention adopts sprocket wheel chain standard component, greatly reduces the processing cost of non-standard, and fit clearance is less, turns to more steadily, moves more stablely, has reduced the rate of breakdown such as de-chain chain jamming occurs, and the application life of component and complete machine is also longer.
The present invention utilizes bearing pin to be flexibly connected front and back filter plate, and the setting of open slot can compensate the deflection yoke while turning, and can install and remove easily, realizes and changing fast and maintenance.
Slag cleaning device of the present invention is the air knife composite member and bath composite member of series connection, corresponding bottom utilizes baffle for separating for slag-removing hopper and flushing bucket, utilize high pressure wind-force and waterpower to clean the filter opening of ultra-fine grid filter screen, overcome the problem that hairbrush bristle is difficult to enter ultra-fine filter opening, can effectively clean filtering surface.The solid residue of the overwhelming majority washes away and falls in slag-removing hopper at deadweight and air pressure, and the finely ground particles of small part reenters filtration under sluicing; The Separation of Solid and Liquid afterflush water yield greatly reduces, and has reduced the load filtering, and has also guaranteed the quality of filtering.
Below the upper side filter plate of the present invention before revolution, be provided with water suction composite member, utilize blower fan to carry out negative pressure suction dehydration to filter screen and wire side grid slag, removed the circulating water in grid slag, reduce the working strength of Liao Hou road solid phase grid slag processing.
Accompanying drawing explanation
Fig. 1 is the setting angle schematic diagram of existing grilling trash remover.
Fig. 2 is the schematic diagram that existing grilling trash remover low-angle is installed.
Fig. 3 is scheme of installation of the present invention.
Fig. 4 is front view of the present invention.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the partial enlarged drawing of Fig. 5.
Fig. 7 is the A portion enlarged drawing in Fig. 4.
Fig. 8 is the explosive view that filter plate of the present invention is installed.
Fig. 9 is the front view of slag cleaning device of the present invention.
In figure: 1, frame; 2, filter plate; 3, sprocket wheel; 4, water suction composite member; 5, chain link; 6, air knife composite member; 7, bath composite member; 8, slag-removing hopper; 9, dividing plate; 10, rinse bucket; 11, discharging tube; 12, water channel; 13, watertight shutter; 14, high pressure positive blower; 15, drive motors; 20, sheet frame; 21, filter screen; 22, outlet pass; 23, circular hole; 24, bearing pin; 25, expansion sheet; 26, open slot.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
As shown in Figure 3, slim ultra-fine rotary grate trash rake of the present invention is to be arranged on compared with in the water channel of low water level H 12 compared with small inclination α=20~60 degree, the present invention adopts the sprocket wheel chain manufacture that pitch is less, can adopt the GB chain of 28A~48A, the present embodiment adopts the standard link 5 that pitch P is 50.8mm, the diameter of sprocket wheel 3 is 290mm, thereby the thickness t 3 of equipment can be reduced to 360mm.Due to device thickness attenuate, thereby at the bottom of canal, the height H 3 of watertight shutter 13 can effectively reduce, thereby guarantees, under low-angle mounting condition, to provide larger filter area S3.
As shown in Figures 4 to 6, frame 1 is arranged in water channel 12 obliquely, many group filter plates 2 are installed between left and right two chains that formed by standard link 5, filter plate 2 is made up of the filter screen 21 of sheet frame 20 and surface coverage thereof, filter screen 21 is ultra-fine filter opening, it is 0.01~0.5mm that the present embodiment uses filter opening diameter, and filter opening diameter can be increased to 5mm or larger according to actual needs certainly.The drive sprocket 3 that drive motors 15 drives is arranged on frame 1 top, and drive sprocket 3 drives left and right two chains revolutions, drives each filter plate 2 along track revolution, and dirt is promoted to frame 1 top and utilizes the slag cleaning device slag that falls from the upstream face of water channel 12.The bottom that frame 1 is positioned at water channel 12 is provided with watertight shutter 13 at upstream face.
As shown in Figure 8, the width of each group filter plate 2 of the present invention is the length of three chain links 5, offers some outlet passes 22 on the plate face of sheet frame 20, and filter screen 21 is coated on the plate face of sheet frame 20; On the left and right side flange of sheet frame 20, have former and later two hole slots, bearing pin 24 is from through the centre bore of chain link 5, open slot 26 and the circular hole 23 of a rear chain link 5 of last chain link 5, two adjacent groups filter plate 2 being coupled together successively outside to inside; Every three adjacent chain link 5 centre bores are provided with a bearing pin 24.As shown in Figure 7, the object that open slot 26 is set is moving forward and backward of allowing that chain link 5 produces in the time of the revolution of upper lower sprocket 3 places.In the present embodiment, open slot 26 is arranged on independently to be expanded on sheet 25, and expansion sheet 25 is fixed on the flanging side face of sheet frame 20.
As shown in Figure 9, slag cleaning device of the present invention comprises at least one place air knife composite member 6 and bath composite member 7, and the material-falling hopper of bottom; The air knife composite member 6 being connected with high pressure positive blower 14 is arranged near drive sprocket 3, and after bath composite member 7 is positioned at air knife composite member 6, air knife composite member 6 is all downward just to the lower side filter plate 2 after revolution with the nozzle of bath composite member 7.Material-falling hopper is divided into slag-removing hopper 8 and is rinsed bucket 10 by dividing plate 9, slag-removing hopper 8 is positioned at air knife composite member 6 belows, rinse bucket 10 and be positioned at bath composite member 7 belows, rinse bucket 10 bottoms discharging tube 11 is set, the anterior influent side of rotary grate trash rake is led in discharging tube 11 outlets.Filter residue is suggested after the water surface conventionally with a large amount of moisture content, because the slag-removing hopper 8 that reclaims solid phase is before reclaiming the flushing bucket 10 of liquid phase, the filter residue that water content is high can increase the working strength of rear road solid phase grid slag processing, therefore below the upper side filter plate 2 of the present invention before revolution, be provided with water suction composite member 4, water suction composite member 4 is that the uncovered air intake suitable with filter plate 2 length dimensions inhaled box, utilize blower fan to aspirate, to the dehydration of grid slag on filter plate 2 and wire side in the lump negative pressure, to remove the circulating water in grid slag.
When real work, as shown in Figure 4, drive motors 15 drives drive sprocket 3 to rotate, and drive sprocket 3 drives left and right two chains revolutions, drives each filter plate 2 along track revolution, and dirt is promoted to the frame 1 top slag that falls from the upstream face of water channel 12.First utilize water suction composite member 4 to carry out negative pressure dehydration to grid slag, filter plate 2 is turning round when reverse through drive sprocket 3, and plate face grid slag falls under gravity into slag-removing hopper 8.Plate after revolution faces down, and through the gases at high pressure Jet with downward flow direction of air knife composite member 6, the dirt of filter screen 21 remained on surface is blown down to be fallen in slag-removing hopper 8.Then filter plate 2 moves on through bath composite member 7, bath composite member 7 utilizes high-pressure injection current to spray the filter opening of filter screen 21, in the filter opening being swept away, residual dirt falls into and rinses bucket 10 together with flushing water, the anterior influent side that is expelled to rotary grate trash rake by discharging tube 11, flushing water is filtered by trash rake again.
More than describing is explanation of the invention, is not the restriction to invention, and without prejudice to spirit of the present invention in the situation that, the present invention can do any type of modification.

Claims (9)

1. a slim ultra-fine rotary grate trash rake, frame (1) is arranged in water channel (12) obliquely, between two chains of left and right, filter plate (2) is installed, drive motors (15) drives drive sprocket (3), turn round along track by the left and right each filter plate of two chain-drivings (2), dirt is promoted to frame (1) the top slag that falls from the upstream face of water channel (12), it is characterized in that: the length that the width of described filter plate (2) is at least two chain link plates (5).
2. according to slim ultra-fine rotary grate trash rake claimed in claim 1, it is characterized in that: described filter plate (2) is made up of the filter screen (21) of sheet frame (20) and surface coverage thereof, the side of sheet frame (20) has former and later two hole slots, and bearing pin (24) is from through centre bore, the open slot (26) of last chain link (5) and the circular hole (23) of a rear chain link (5) of chain link (5), two adjacent groups filter plate (2) being coupled together successively outside to inside; The centre bore of the chain link in interval (5) at least between adjacent two bearing pins (24).
3. according to slim ultra-fine rotary grate trash rake claimed in claim 1, it is characterized in that: the standard pitch of described chain strip adoption 28A~48A.
4. according to slim ultra-fine rotary grate trash rake claimed in claim 2, it is characterized in that: described open slot (26) is arranged on independently expands sheet (25) above, and expansion sheet (25) is fixed on the side of sheet frame (20).
5. according to slim ultra-fine rotary grate trash rake claimed in claim 2, it is characterized in that: described filter screen (21) is ultra-fine filter opening, and filter opening diameter is 0.01~2mm.
6. according to slim ultra-fine rotary grate trash rake claimed in claim 1, it is characterized in that: described frame (1) is to be arranged at obliquely in water channel (12) compared with small inclination α with horizontal plane, and described inclination alpha=20~60 are spent.
7. according to slim ultra-fine rotary grate trash rake claimed in claim 1, it is characterized in that: to filter plate (2) carry out clean slag cleaning device comprise air knife composite member (6), bath composite member (7), with the material-falling hopper of bottom, bath composite member (7) is positioned at air knife composite member (6) afterwards, and air knife composite member (6) is all downward just to the lower side filter plate (2) after revolution with the nozzle of bath composite member (7).
8. according to slim ultra-fine rotary grate trash rake claimed in claim 7, it is characterized in that: material-falling hopper is divided into slag-removing hopper (8) and is rinsed bucket (10) by dividing plate (9), slag-removing hopper (8) is positioned at air knife composite member (6) below, rinse bucket (10) and be positioned at bath composite member (7) below, rinse bucket (10) bottom discharging tube (11) is set, the anterior influent side of rotary grate trash rake is led in discharging tube (11) outlet.
9. according to slim ultra-fine rotary grate trash rake claimed in claim 7, it is characterized in that: described slag cleaning device also comprises water suction composite member (4), water suction composite member (4) is arranged on upper side filter plate (2) below before revolution, for the uncovered air intake suitable with filter plate (2) length dimension inhaled box, opening, towards filter plate (2), utilizes blower fan to aspirate and carries out negative pressure dehydration.
CN201410125181.0A 2014-03-31 2014-03-31 Slim ultra-fine rotary grate trash rake Active CN103866747B (en)

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Application Number Priority Date Filing Date Title
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CN103866747B CN103866747B (en) 2016-03-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106284257A (en) * 2015-06-05 2017-01-04 江苏立业环境科技有限公司 A kind of swinging grilling trash remover
CN114515462A (en) * 2022-03-16 2022-05-20 徐州鑫业达环保科技有限公司 High-efficient gyration grid check de-dirt machine

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3201441A1 (en) * 1982-01-19 1983-09-08 Maschinenfabrik Hellmut Geiger Gmbh & Co Kg, 7500 Karlsruhe Screen cleaning installation with fish-protecting cleaners
CN2342864Y (en) * 1998-09-03 1999-10-13 周震球 Rotary guide wheel device for rotary grid dirt cleaner
CN1433336A (en) * 2000-02-03 2003-07-30 萨尔斯内斯过滤器有限公司 Cleaning device for waste water
CN201186182Y (en) * 2008-05-03 2009-01-28 杨运月 Bottle washing waste water filter device
CN102600655A (en) * 2011-12-19 2012-07-25 江苏通用环保集团有限公司 Rotary network chain type grid cleaner
CN102887553A (en) * 2012-09-19 2013-01-23 南京蓝深制泵(集团)股份有限公司 Rotary filter screen type bar screen cleaner
CN203782668U (en) * 2014-03-31 2014-08-20 江苏兆盛环保集团有限公司 Thin type ultra-fine rotary grating cleaning machine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3201441A1 (en) * 1982-01-19 1983-09-08 Maschinenfabrik Hellmut Geiger Gmbh & Co Kg, 7500 Karlsruhe Screen cleaning installation with fish-protecting cleaners
CN2342864Y (en) * 1998-09-03 1999-10-13 周震球 Rotary guide wheel device for rotary grid dirt cleaner
CN1433336A (en) * 2000-02-03 2003-07-30 萨尔斯内斯过滤器有限公司 Cleaning device for waste water
CN201186182Y (en) * 2008-05-03 2009-01-28 杨运月 Bottle washing waste water filter device
CN102600655A (en) * 2011-12-19 2012-07-25 江苏通用环保集团有限公司 Rotary network chain type grid cleaner
CN102887553A (en) * 2012-09-19 2013-01-23 南京蓝深制泵(集团)股份有限公司 Rotary filter screen type bar screen cleaner
CN203782668U (en) * 2014-03-31 2014-08-20 江苏兆盛环保集团有限公司 Thin type ultra-fine rotary grating cleaning machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106284257A (en) * 2015-06-05 2017-01-04 江苏立业环境科技有限公司 A kind of swinging grilling trash remover
CN114515462A (en) * 2022-03-16 2022-05-20 徐州鑫业达环保科技有限公司 High-efficient gyration grid check de-dirt machine
CN114515462B (en) * 2022-03-16 2022-12-06 徐州鑫业达环保科技有限公司 High-efficient gyration grid check de-dirt machine

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Address after: 214261 Jiangsu city of Wuxi province Yixing Zhoutie Town Zhu Xi Industrial Park prosperous road No. 2

Patentee after: JIANGSU ZHAOSHENG ENVIRONMENTAL PROTECTION CO., LTD.

Address before: Yixing City, Zhou Zhen Fenshui 214000 Renmin Road Wuxi City, Jiangsu Province

Patentee before: Jiangsu Zhaosheng Environmental Protection Group Co., Ltd.

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Address after: 214200 Xingwang Road, Zhoutiezhen, Yixing City, Wuxi City, Jiangsu Province

Patentee after: China Energy Saving Zhaosheng Environmental Protection Co., Ltd.

Address before: 214261 No. 2 Xingwang Road, Zhuxi Industrial Park, Zhoutie Town, Yixing City, Jiangsu Province

Patentee before: JIANGSU ZHAOSHENG ENVIRONMENTAL PROTECTION CO., LTD.