CN112386992A - Simple anti-blocking sewage filtering device - Google Patents

Simple anti-blocking sewage filtering device Download PDF

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Publication number
CN112386992A
CN112386992A CN202011369415.8A CN202011369415A CN112386992A CN 112386992 A CN112386992 A CN 112386992A CN 202011369415 A CN202011369415 A CN 202011369415A CN 112386992 A CN112386992 A CN 112386992A
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CN
China
Prior art keywords
fixed
water tank
baffle
circular plate
shell
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Granted
Application number
CN202011369415.8A
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Chinese (zh)
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CN112386992B (en
Inventor
李安稳
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Anhui Baolyu Optoelectronic Engineering Co ltd
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
    • B01D33/015—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with flat filtering elements
    • B01D33/0158—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with flat filtering elements self-supporting
    • B01D33/0175—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with flat filtering elements self-supporting with curved filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/80—Accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/80—Accessories
    • B01D33/803—Accessories in which the filtering elements are moved between filtering operations ; Particular measures for removing or replacing the filtering elements; Transport systems for filters
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/004—Seals, connections
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/14—Maintenance of water treatment installations
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The invention relates to a simple anti-blocking sewage filtering device, which effectively solves the problems of untimely cleaning and the like during sewage filtering and adopts the technical scheme that the device comprises a bracket, wherein a left first supporting rod, a right first supporting rod and a plurality of second supporting rods positioned in the middle are arranged on the bracket; a filter body which can move up and down along the second support rods and reset upwards is arranged on the plurality of second support rods; each second supporting rod is provided with a water tank which moves up and down along with the filter body, a siphon is arranged in the water tank, a vertical rod is fixed on the water tank, the upper end of the vertical rod is hinged with a baffle, and a balancing weight is fixed at the inner end of the baffle; each second support rod is provided with a limiting block; the water tank is automatically cleaned, and the long-time blockage or high load of the filter screen is avoided.

Description

Simple anti-blocking sewage filtering device
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a simple anti-blocking sewage filtering device.
Background
The sewage is generally subjected to primary filtration to filter various impurities contained in the sewage; after which further processing takes place. When filtering, the filter screen is easily blocked due to various types of impurities in the sewage; thereby affecting the effectiveness and speed of filtration. Most of filtering devices on the market at present dredge the filter screen in a mode of cleaning regularly, and treat sundries accumulated on the filter screen; the cleaning process not only needs to be stopped, but also increases the workload. Some devices also use water or air pressure to flush the filter screen in real time, so that on one hand, unnecessary water pumps or air pumps are added, on the other hand, water used for flushing the filter screen is mixed with filtered impurities, the sewage quantity is increased, and the water content of the impurities is also increased; the subsequent treatment is inconvenient; particularly, the filter screen is easy to adhere to light and thin sundries such as plastic bags and the like, so that the filter screen is blocked in a large area, the cleaning frequency is low by adopting the traditional mode, and the sundries can not be removed in time; meanwhile, for some sundries such as stone bricks, even if the filter screen is not blocked, the long-time heavy load of the filter screen and the repeated dynamic impact of the sundries can aggravate the damage of the filter screen; there is therefore a need to solve the above problems.
Disclosure of Invention
Aiming at the situation, in order to solve the problems in the prior art, the invention aims to provide a simple anti-blocking sewage filtering device which can effectively solve the problems of untimely cleaning and the like during sewage filtering.
The technical scheme for solving the problem is that the device comprises a bracket, wherein a left first supporting rod, a right first supporting rod and a plurality of second supporting rods positioned in the middle are arranged on the bracket; a filter body which can move up and down along the second support rods and reset upwards is arranged on the plurality of second support rods;
the filter body comprises a shell, the upper end of the shell is provided with a feed inlet, and the lower end of the shell is provided with a discharge outlet; an arc-shaped filter screen is arranged at the discharge port; openings corresponding to the filter screens are formed in the left side and the right side of the shell; a rotating shaft transversely penetrates through the shell, and gears are fixed at the left end and the right end of the rotating shaft; a section of rack which can be meshed with the gear on the same side is respectively fixed on the left and the right first supporting rods; after the filter body descends, the gear is meshed with the rack to ensure that the rotating shaft rotates; a left circular plate and a right circular plate are fixed on the rotating shaft, the left circular plate and the right circular plate can block left and right openings, a slag discharge port is arranged at the upper half part of each circular plate, and an arc-shaped scraper with an upward convex surface is fixed between the left circular plate and the right circular plate;
a water inlet fixed on the bracket is arranged above the filter body; each second supporting rod is provided with a water tank which moves up and down along with the filtering body, a siphon is arranged in the water tank, a vertical rod is fixed on the water tank, the upper end of the vertical rod is hinged with a baffle which is obliquely arranged, and the baffle can block the water tank; a balancing weight is fixed at the inner end of the baffle; each second supporting rod is provided with a limiting block for blocking the baffle from swinging; after the water tank descends along with the filtering body, the inclination angle of the baffle changes, and water in the filtering body can enter the water tank from a gap between the baffle and the upper end of the water tank.
The invention automatically cleans, prolongs the service life of the device, and avoids long-time blockage or long-time high load of the filter screen 404.
Drawings
Fig. 1 is a front view of the present invention.
FIG. 2 is a front sectional view of the present invention.
Fig. 3 is a left side view of the filter body of the present invention.
FIG. 4 is a perspective view of the scraper, the shaft, the support ring, the cross brace, and the circular plate.
Detailed Description
The following describes in further detail embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 4, the present invention includes a bracket 1, wherein the bracket 1 is provided with a left first support rod 2 and a right first support rod 2, and a plurality of second support rods 3 in the middle; a filter body 4 which can move up and down along the second support rods 3 and reset upwards is arranged on the plurality of second support rods 3;
the filter body 4 comprises a shell 401, the upper end of the shell 401 is provided with a feed inlet 402, and the lower end is provided with a discharge outlet 403; an arc-shaped filter screen 404 is arranged at the discharge port 403; openings 405 corresponding to the filter screens 404 are respectively arranged at the left side and the right side of the shell 401; a rotating shaft 406 transversely penetrates through the shell 401, and gears 407 are fixed at the left end and the right end of the rotating shaft 406; a section of rack 408 which can be meshed with the gear 407 on the same side is respectively fixed on the left and the right first supporting rods 2; after the filter body 4 descends, the gear 407 is meshed with the rack 408, so that the rotating shaft 406 rotates 180 degrees; a left circular plate 409 and a right circular plate 409 are fixed on the rotating shaft 406, the left circular plate 409 and the right circular plate 409 can block a left opening 405 and a right opening 405, a slag discharge port 410 is arranged at the upper half part of the circular plate 409, and an arc-shaped scraper 411 with an upward convex surface is fixed between the left circular plate 409 and the right circular plate 409;
a water inlet 5 fixed on the bracket 1 is arranged above the filter body 4; each second support rod 3 is provided with a water tank 6 which moves up and down along with the filter body 4, a siphon pipe 7 is arranged in the water tank 6, a vertical rod 8 is fixed on the water tank 6, the upper end of the vertical rod 8 is hinged with a baffle 9 which is obliquely arranged, and the baffle 9 can block the water tank 6; a balancing weight 10 is fixed at the inner end of the baffle 9; each second support rod 3 is provided with a limit block 11 for preventing the baffle 9 from swinging; after the water tank 6 descends along with the filter body 4, the inclination angle of the baffle 9 is changed, and water in the filter body 4 can enter the water tank 6 from a gap between the baffle 9 and the upper end of the water tank 6.
In order to realize the installation of the filter body 4, the shell 401 of the filter body 4 on install a plurality of sleeves 12, the second support rod 3 runs through the sleeves 12, every second support rod 3 is equipped with an extension spring 13, the upper end of the extension spring 13 is fixed at the top of the bracket 1, and the lower end of the extension spring 13 is fixed on the sleeve 12.
In order to realize that the water tank 6 moves up and down along with the filter body 4, a connecting rod 14 is fixed between the water tank 6 and the shell 401 of the filter body 4.
In order to avoid that the swinging angle is too large after the baffle 9 above the water tank 6 descends along with the water tank 6, the vertical rod 8 is provided with a first limiting bulge 15 for blocking the baffle 9 to swing, and the first limiting bulge 15 is positioned below the baffle 9.
In order to avoid the filter 4 from excessively descending, a second limiting protrusion 16 corresponding to the lower end of the rack 408 is fixed on each first supporting rod 2.
In order to more stably enable the rotating shaft 406 to support the antique board, a plurality of cross braces 17 are fixed on the rotating shaft 406, a support ring 19 is fixed on the outer side of each cross brace 17, and the support ring 19 is fixed with the scraping plate 411.
In order to facilitate the discharge of the impurities to both sides, a chute 18 is fixed on each first supporting rod 2 and is arranged obliquely.
In order to improve the filtering effect and at the same time enable the water tank 6 to continue to feed water after the filter screen 404 is blocked, the bottom of the body 401 is provided with a filter mesh-like transition zone.
When the invention is used, firstly, under the condition that the filter body 4 is not blocked, namely the filter screen 404 arranged at the discharge port 403 of the shell 401 is not blocked, at the moment, after sewage flows downwards from the upper water inlet 5, the sewage directly enters the interior of the filter body 4 through the feed port 402 of the shell 401 of the filter body 4.
In the initial state, the sewage falls on the scraper 411 from top to bottom, the scraper 411 is positioned right above and corresponds to the upper bet of the filter screen 404, a gap is reserved between the scraper 411 and the filter screen 404, the sewage is divided by the scraper 411 to be dispersed to two sides and is gathered on the filter screen 404 through the gathering action of the shell 401, impurities are filtered by the filter screen 404 and remain in the filter body 4, although the left side and the right side of the shell 401 are provided with the openings 405, in the initial state, the lower solid part of the circular plate 409 is in a state of blocking the openings 405, and therefore the impurities cannot move to two sides through the openings 405; and the filtered sewage flows downward.
When the filtered sewage flows downwards, the sewage on the left side and the sewage on the right side flow through the water tank 6. In the initial state, the impurities inside the filtering body 4 are less, and the filter screen 404 is not blocked, so the whole filtering body 4 is at the top of the stroke, at this time, referring to fig. 2, because the inclined state of the baffle 9 on the water tank 6 is closely related to the descending height of the filtering body 4, when the filtering body 4 is not descended, the baffle 9 can be in the state of completely blocking the water tank 6 (the upper end of the water tank 6 is in the shape of the opening 405) under the blocking action of the limiting block 11 on the first supporting rod 2, that is, the water flow can be blocked by the baffle 9 and does not enter the inside of the tank body.
The above is a normal filtration state; when the filter screen 404 is clogged or the filter screen 404 has heavy impurities, the downward component force applied to the entire filter 4 increases, the tension spring 13 of the second support rod 3 is also stretched, i.e., the filter 4 descends, and when the filter 4 descends, the water tank 6 also descends. When the water tank 6 descends, the baffle 9 hinged above the water tank 6 inclines (under the combined action of the baffle 9 counterweight 10 and water flow), so that the baffle 9 does not completely block sewage, and a part of sewage can enter the water tank 6; thereby increasing the weight of the water tank 6.
With the increasing weight of the water tank 6, the whole filter body 4 and the water tank 6 are further lowered, so that a positive feedback phenomenon occurs, that is, the more water enters the water tank 6, the more the water tank 6 is lowered, and the water continues to enter the water tank 6. With the continuous descending of the filter body 4, the gear 407 at the end of the rotating shaft 406 penetrating through the filter body 4 is engaged with the rack 408 on the first support rod 2, and because the weight of the water in the water tank 6 is larger, the water is pulled by the gravity of the water tank 6; the gear 407 will drive the rotation shaft 406 to rotate; then the rotating shaft 406 drives the circular plate 409 to rotate; due to the length limitation of the rack 408, the rotating shaft 406 can only drive the circular plate 409 to rotate 180 degrees, i.e. the circular plate 409 is turned upside down. See fig. 3 and 4; the scraper 411 originally positioned above is positioned below, the filter screen 404 is cleaned, and meanwhile, impurities are driven to the upper part of the scraper 411; meanwhile, after the circular plate 409 rotates 180 degrees, the slag discharge ports 410 on the circular plate 409 correspond to the openings 405 on the left side and the right side of the shell 401, so that impurities can be discharged from the slag discharge ports 410; meanwhile, the scraper 411 is a solid plate, so that subsequent sewage can wash the scraper 411, and impurities can be discharged from the filter body 4 better under the impact action of water flow. The discharged impurities are moved to both sides via the chute 18 and can subsequently be collected and disposed of uniformly by means of a collecting box.
During the above-mentioned overturning, the water in the tank 6 is already close to the discharge level of the siphon 7; after the sundries are discharged for a certain time, the water which flows out through the filter screen 404 and the transition area in the shape of the filter screen 404 at the bottom of the shell 401 and is not completely blocked by the scraper 411 will continuously enter the water tank 6, so that the water in the water tank 6 reaches the drainage height; at this time, the water in the water tank 6 is discharged completely as soon as it is discharged; the weight of the water tank 6 is then reduced; the whole device is lifted, the circular plate 409 rotates reversely and is reset, and the initial state is recovered.
When using, if having adopted a plurality of water tanks 6 to carry out combined action, then can be with the intercommunication through the pipeline between a plurality of water tanks 6, make the liquid level highly uniform of a plurality of water tanks 6, avoid the uncoordinated problem of a plurality of water tanks 6.
The device uses the descending generated after the filter body 4 is blocked or the load is too large as an automatic judgment condition, thereby using the descending height; after the baffle 9 is inclined, a large amount of water flow enters the water tank 6, and then the weight of the water tank 6 is utilized to realize the purpose of pulling the whole filter body 4 to greatly descend again, so that the circular plate 409 is turned over, sundries are discharged, and the filter screen 404 is cleaned; simple, efficient and automatic. Because the blockage condition and the load condition of the filter screen 404 are utilized, when the sewage is relatively clean, the whole device cannot be cleaned frequently, and the overall stability is improved.
The ingenious design filter body 4's structure in this device makes initial state can filter through filter screen 404, and scraper blade 411 is cleared the filter screen 404 and is scraped after the upset to open opening 405, thereby continue to utilize the scouring action of sewage, make debris discharge from both sides, collect, avoid mixing with the sewage that filters.
This device is arranging the sediment after, a period of time after, the water in the water tank 6 can discharge fast, has realized the automation of whole device and has reset, must artificial intervention, has alleviateed the burden, has improved the life of device, has avoided long-time jam of filter screen 404 or long-time high load.

Claims (7)

1. A simple anti-blocking sewage filtering device comprises a bracket (1) and is characterized in that the bracket (1) is provided with a left first supporting rod (2), a right first supporting rod (2) and a plurality of second supporting rods (3) in the middle; a filter body (4) which can move up and down along the second support rods (3) and reset upwards is arranged on the second support rods (3);
the filter body (4) comprises a shell (401), the upper end of the shell (401) is provided with a feed inlet (402), and the lower end of the shell is provided with a discharge outlet (403); an arc-shaped filter screen (404) is arranged at the discharge hole (403); openings (405) corresponding to the filter screens (404) are respectively arranged at the left side and the right side of the shell (401); a rotating shaft (406) transversely penetrates through the shell (401), and gears (407) are fixed at the left end and the right end of the rotating shaft (406); a section of rack (408) which can be meshed with the gear (407) at the same side is respectively fixed on the left and the right first supporting rods (2); after the filter body (4) descends, the gear (407) is meshed with the rack (408), so that the rotating shaft (406) rotates 180 degrees; a left circular plate (409) and a right circular plate (409) are fixed on the rotating shaft (406), the left circular plate (409) and the right circular plate can block the left opening (405) and the right opening (405), a slag discharge opening (410) is formed in the upper half part of the circular plate (409), and an arc-shaped scraper blade (411) with an upward convex surface is fixed between the left circular plate (409) and the right circular plate (409);
a water inlet (5) fixed on the bracket (1) is arranged above the filter body (4); each second supporting rod (3) is provided with a water tank (6) which moves up and down along with the filtering body (4), a siphon (7) is arranged in each water tank (6), a vertical rod (8) is fixed on each water tank (6), the upper end of each vertical rod (8) is hinged with a baffle (9) which is obliquely arranged, and each baffle (9) can block the water tank (6); a balancing weight (10) is fixed at the inner end of the baffle (9); each second support rod (3) is provided with a limit block (11) for preventing the baffle (9) from swinging; after the water tank (6) descends along with the filtering body (4), the inclination angle of the baffle (9) is changed, and water in the filtering body (4) can enter the water tank (6) from a gap between the baffle (9) and the upper end of the water tank (6).
2. The simple anti-blocking sewage filtering device according to claim 1, wherein a plurality of sleeves (12) are installed on a shell (401) of the filtering body (4), the second supporting rods (3) penetrate through the sleeves (12), each second supporting rod (3) is sleeved with a tension spring (13), the upper ends of the tension springs (13) are fixed to the top of the support (1), and the lower ends of the tension springs (13) are fixed to the sleeves (12).
3. The simple anti-blocking sewage filtering device according to claim 1, wherein a connecting rod (14) is fixed between the water tank (6) and the shell (401) of the filtering body (4).
4. The simple anti-blocking sewage filtering device according to claim 1, wherein the vertical rod (8) is provided with a first limiting protrusion (15) for blocking the baffle (9) from swinging, and the first limiting protrusion (15) is positioned below the baffle (9).
5. The simple anti-blocking sewage filtering device according to claim 1, wherein each first supporting rod (2) is fixed with a second limiting protrusion (16) corresponding to the lower end of the rack (408).
6. The simple anti-blocking sewage filtering device according to claim 1, wherein a plurality of cross braces (17) are fixed on the rotating shaft (406), a support ring (19) is fixed on the outer side of each cross brace (17), and the support ring (19) is fixed with the scraping plate (411).
7. The simple anti-blocking sewage filtering device according to claim 1, wherein each first supporting rod (2) is fixed with a slide way (18) which is obliquely arranged.
CN202011369415.8A 2020-11-30 2020-11-30 Simple anti-blocking sewage filtering device Active CN112386992B (en)

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CN112386992B CN112386992B (en) 2022-02-18

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN113080366A (en) * 2021-04-08 2021-07-09 东莞市陈辉球米粉设备有限公司 Resistance rod type water bath machine

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Publication number Priority date Publication date Assignee Title
GB188539A (en) * 1921-11-18 1922-11-16 Rudolf Timm Improvements in filtering apparatus
JPH10146505A (en) * 1996-11-20 1998-06-02 Kurita Water Ind Ltd Filtration apparatus
JP2001233688A (en) * 2000-02-22 2001-08-28 Sanyo Electric Co Ltd Device for treating garbage
JP2003144814A (en) * 2001-11-13 2003-05-20 Ngk Insulators Ltd Method for washing floating filter medium
US20100096335A1 (en) * 2006-12-29 2010-04-22 Otv Sa Water Treatment Process and Plant Using Ballasted Flocculation and Settling
JP2009285559A (en) * 2008-05-29 2009-12-10 Panasonic Corp Solid-liquid separator
CN205867742U (en) * 2016-08-02 2017-01-11 大余松瀛化工有限公司 Waterborne environmental protection coating filtering device
CN107376459A (en) * 2017-09-15 2017-11-24 荣祥宇 A kind of Herba Houttuyniae extract fast separation device
CN107497600A (en) * 2017-09-18 2017-12-22 深圳市杰维工业设备有限公司 A kind of dynamic iron removaling filter plant
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