CN113398646A - Sewage treatment equipment with self-cleaning function - Google Patents

Sewage treatment equipment with self-cleaning function Download PDF

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Publication number
CN113398646A
CN113398646A CN202110874593.4A CN202110874593A CN113398646A CN 113398646 A CN113398646 A CN 113398646A CN 202110874593 A CN202110874593 A CN 202110874593A CN 113398646 A CN113398646 A CN 113398646A
Authority
CN
China
Prior art keywords
slag
collecting cavity
belt
sewage treatment
level conveyer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202110874593.4A
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Chinese (zh)
Inventor
谢朝丽
曹灿辉
张海
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.)
Chongqing Shangzeyuan Environmental Protection Technology Co ltd
Original Assignee
Chongqing Shangzeyuan Environmental Protection Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Chongqing Shangzeyuan Environmental Protection Technology Co ltd filed Critical Chongqing Shangzeyuan Environmental Protection Technology Co ltd
Priority to CN202110874593.4A priority Critical patent/CN113398646A/en
Publication of CN113398646A publication Critical patent/CN113398646A/en
Withdrawn legal-status Critical Current

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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
    • B01D33/056—Construction of filtering bands or supporting belts, e.g. devices for centering, mounting or sealing the filtering bands or the supporting belts
    • 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
    • B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
    • B01D33/41—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection
    • 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
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • 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
    • B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The invention provides sewage treatment equipment with a self-cleaning function, which comprises a filter box, wherein a partition plate is arranged in the filter box and is provided with a water collecting cavity and a slag collecting cavity, the partition plate penetrates through a slag passing hole which forms a distance with the bottom of the filter box, the top of the water collecting cavity is communicated with a feeding pipe, the bottom of the water collecting cavity is communicated with a drainage pipe, and the bottom of the slag collecting cavity is communicated with a slag discharge pipe; the intracavity from the top down interval of catchmenting is provided with a plurality of one-level conveyer belts that are located the inlet pipe under, the discharge end of one-level conveyer belt is close to album sediment chamber, and the below the discharge end of one-level conveyer belt passes the sediment hole, the area of one-level conveyer belt runs through and has seted up a plurality of filtration pores, a plurality of one-level conveyer belts from the top down the aperture of filtration pore reduces gradually. The invention has the effect of improving the problems that the primary filtering equipment is likely to be blocked in the long-term filtering process, so that the filtering effect is gradually reduced and the sewage treatment effect is reduced.

Description

Sewage treatment equipment with self-cleaning function
Technical Field
The application relates to the technical field of sewage treatment, in particular to a sewage treatment device with a self-cleaning function.
Background
The sewage treatment plays an important role in the construction of ecological environment, the improvement of the living standard of people, the promotion of the sustainable development of social economy and the like. The sewage is of various types, such as domestic sewage, municipal sewage, industrial wastewater and the like. In the process of treating sewage, the sewage is discharged into a sewage treatment plant through a drainage system for centralized treatment, then is subjected to multi-stage treatment to remove impurities such as floaters, sediments and various microorganisms, and can be discharged or reused after subsequent treatment after biological and chemical treatment.
At present, before the centralized treatment of sewage, primary treatment is carried out on impurities with large particle sizes, such as floaters and the like through primary filtering equipment to form filtered substances, the filtered substances are periodically cleaned in a manual mode, and the normal and efficient operation of the equipment is maintained to clean partial filtered substances, reduce the subsequent sewage treatment pressure and improve the sewage treatment efficiency. However, in a long-term treatment process, the primary filtering apparatus may be clogged, resulting in a problem that the filtering effect is gradually reduced and the sewage treatment effect is reduced.
Disclosure of Invention
In order to improve elementary filtration equipment and probably block up in long-term filtration process, lead to the filter effect to reduce gradually, problem that sewage treatment effect reduces, the application provides a sewage treatment device with from cleaning function.
The application provides a sewage treatment device with from clearance function adopts following technical scheme:
a sewage treatment device with a self-cleaning function comprises a filter box, wherein a partition plate is arranged in the filter box and is provided with a water collecting cavity and a slag collecting cavity, the partition plate is provided with a slag passing hole which forms a distance with the bottom of the filter box in a penetrating manner along the thickness direction, the top of the water collecting cavity is communicated with a feeding pipe, the bottom of the water collecting cavity is communicated with a drainage pipe, and the bottom of the slag collecting cavity is communicated with a slag discharge pipe; the intracavity from the top down interval of catchmenting is provided with a plurality of one-level conveyer belts that are located the inlet pipe under, the discharge end of one-level conveyer belt is close to album sediment chamber, and the below the discharge end of one-level conveyer belt passes the sediment hole, the area of one-level conveyer belt runs through and has seted up a plurality of filtration pores, a plurality of one-level conveyer belts from the top down the aperture of filtration pore reduces gradually.
Preferably, the length of the primary conveyor belts increases gradually from top to bottom, and the bandwidth increases gradually.
Preferably, the first-stage conveying belt is obliquely arranged, and the discharge end of the first-stage conveying belt is higher than the feed end.
Preferably, the upper belt surface of the primary conveyor belt is provided with a primary material blocking piece fixed on the filter box, and the primary material blocking piece surrounds the feeding end of the primary conveyor belt and the two ends in the width direction of the belt surface.
Preferably, two material blocking blocks respectively coated on the two conveying rollers are arranged between the upper belt surface and the lower belt surface of the primary conveying belt.
Preferably, two opposite sides of the material blocking blocks are provided with two inclined planes, and an included angle formed by the two inclined planes faces an opening of the conveying roller close to the inclined planes.
Preferably, the slag passing hole is provided with a primary scraper abutting against the lower surface of the primary conveyor belt, and one side of the primary scraper, which is close to the primary conveyor belt, is rotatably connected with a plurality of balls.
Preferably, the partition board is provided with a slag blocking hole which is lower than the slag passing hole and forms a distance with the bottom of the filter box in a penetrating manner along the thickness direction; the slag collecting cavity is internally and obliquely provided with a secondary conveyor belt used for receiving filter slag led into the slag collecting cavity by the primary conveyor belt, and the feeding end of the secondary conveyor belt is a low end and penetrates through the slag blocking hole.
Preferably, a baffle abutting against the upper belt surface of the secondary conveyor belt is arranged in the slag blocking hole, a plurality of drain holes are formed in the baffle in a penetrating manner, and a secondary scraper abutting against the lower belt surface of the secondary conveyor belt is arranged in the slag blocking hole.
Preferably, the upper belt surface of the secondary conveyor belt is provided with a secondary material blocking part located in the slag collecting cavity, and the secondary material blocking part is enclosed at two ends of the belt surface of the secondary conveyor belt in the width direction and fixed on the partition plate.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the primary conveyor belts which are provided with the filter holes and are distributed at intervals in the vertical direction are arranged, the slag-containing sewage is repeatedly filtered by utilizing the rotating action of the belt surfaces of the primary conveyor belts, so that the filtering effect is enhanced, meanwhile, in the filtering process, the filter holes are cleaned by utilizing the impact action of the sewage falling from the upper side of the primary conveyor belts on the filter holes of the lower belt surface, the probability that the filter holes are blocked is reduced, the long-term filtering effect of a plurality of primary conveyor belts is better ensured, and the problems that the primary filter equipment is likely to be blocked in the long-term filtering process, the filtering effect is gradually reduced, and the sewage treatment effect is reduced are solved; in the step-by-step filtering process, the filter residue is filtered into the residue collecting cavity by the lowest one-step conveyor belt, so that the effect of separating sewage from the filter residue is achieved;
2. the inclined secondary conveyor belt is arranged to receive the filter residue guided into the residue collection cavity by the primary conveyor belt, and the inclined effect of the secondary conveyor belt is utilized to realize the separation purpose of the sewage possibly contained in the filter residue, so that the separation effect of the sewage and the filter residue is better; through setting up one-level fender material spare and second grade fender material spare to reduce the sewage that contains sediment sewage separation and form and the possibility of filter residue series flow, with the separation effect preferred of guaranteeing filter residue and sewage.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic view of a partial cross-sectional structure of an embodiment of the present application;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is an enlarged schematic view of a portion B in fig. 2.
In the above drawings: 1. a filter box; 2. a partition plate; 21. a slag passing hole; 22. a slag blocking hole; 3. a water collection cavity; 31. a feed pipe; 32. a drain pipe; 4. a slag collection cavity; 41. a slag discharge pipe; 5. a primary conveyor belt; 51. a filtration pore; 52. a first-level material blocking part; 53. a material blocking block; 531. a bevel; 6. a primary scraper; 61. a ball bearing; 7. a secondary conveyor belt; 71. a baffle plate; 711. a drain hole; 72. a secondary scraper plate; 73. a secondary material blocking part; 8. a guide plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
Referring to fig. 1 and 2, the embodiment of the application provides a sewage treatment device with a self-cleaning function, which comprises a filter box 1, wherein a partition plate 2 is vertically arranged in the filter box 1, and the partition plate 2 partitions the inner space of the filter box 1 into a water collecting cavity 3 for containing accumulated water and a slag collecting cavity 4 for containing filter slag; a feeding pipe 31 communicated with the water collecting cavity 3 is arranged at the top of the filter tank 1 so as to guide the sewage containing slag into the filter tank 1 and carry out subsequent filtering and separating operations; the bottom of the water collecting cavity 3 is communicated with a water discharge pipe 32 to discharge accumulated water in the water collecting cavity 3, the bottom of the water collecting cavity 3 is inclined, and the water discharge pipe 32 is communicated with the lower end of the inclined bottom of the water collecting cavity 3 to discharge the accumulated water fully; the bottom of the slag collecting cavity 4 is communicated with a slag discharge pipe 41 so as to discharge the filter residue in the slag collecting cavity 4.
Referring to fig. 3, the partition board 2 is provided with slag passing holes 21 and slag blocking holes 22 along the thickness direction, the slag passing holes 21 and the slag blocking holes 22 are distributed at intervals along the vertical direction, and the slag blocking holes 22 are lower than the slag passing holes 21 and form a space with the bottom of the filter box 1, so that the accumulated water in the water collecting cavity 3 and the filter residues in the slag collecting cavity 4 are prevented from streaming.
Referring to fig. 2 and 4, in order to filter the slag-containing sewage discharged into the water collecting chamber 3, a plurality of first-stage conveyor belts 5 are arranged at intervals from top to bottom in the water collecting chamber 3, and conveying rollers of the first-stage conveyor belts 5 are rotatably connected to the filter box 1 to realize the installation of the first-stage conveyor belts 5.
The discharge end of the primary conveyor belt 5 is close to the slag collecting cavity 4, and the feed end is positioned under the feed pipe 31, so that the slag-containing sewage discharged into the filter tank 1 from the feed pipe 31 directly falls on the primary conveyor belt 5; a plurality of filtering holes 51 are formed in the belt surface of the primary conveyor belt 5 at intervals along the thickness direction so as to filter the sewage containing the slag falling on the primary conveyor belt 5, the sewage directly falls from the filtering holes 51 and finally accumulates at the bottom of the water collecting cavity 3, and the filter residue is conveyed to the discharge end of the primary conveyor belt 5; because the sewage containing the slag firstly falls at the feeding end of the first-stage conveyor belt 5, the filtering time limit is relatively longest, and the filtering effect is relatively optimal.
The discharge end of the lowest first-level conveyor belt 5 penetrates through the slag passing hole 21, and the upper belt surface of the first-level conveyor belt 5 is spaced from the slag passing hole 21 to receive filter residues falling from the discharge end of the first-level conveyor belt 5 above, and the filter residues are discharged into the slag collecting cavity 4, so that the effect of separating sewage from the filter residues is achieved. Through the continuous rotation effect of one-level conveyer belt 5, when falling with sewage, to the impact of the filtration pore of one-level conveyer belt 5 lower band face, the cleaning action, reduce the probability that filtration pore 51 is blockked up, guarantee the long-term filter effect preferred of a plurality of one-level conveyer belts 5, make the staff only need regularly clear up the filter residue that accumulates in album sediment chamber 4 can, it may block up at long-term filtration to improve primary filter equipment, lead to the filter effect to reduce gradually, the problem that sewage treatment effect reduces, and simultaneously, reduce the number of times of artifical clearance filter residue, and the labor intensity is lower, and the practicality is stronger.
Wherein, the first-stage conveyor belt 5 is obliquely arranged, and the discharge end of the first-stage conveyor belt is higher than the feed end, so that the sewage has the tendency of flowing towards the feed end of the first-stage conveyor belt 5, and the filtering effect is enhanced; from top to bottom, the aperture of the filtering holes 51 of the primary conveyor belts 5 is gradually reduced, so that the filtering effect is gradually enhanced from top to bottom; in addition, the filtration pore 51 of taking the face on one-level conveyer belt 5 is big-end-up's horn mouth form for the filter effect that contains sediment sewage and fall the one-level conveyer belt 5 upper band face is better, and simultaneously, the sewage of whereabouts more easily washes the filter residue in the filtration pore 51 of taking the face under one-level conveyer belt 5 down and falls, makes the filter effect of one-level conveyer belt 5 better.
Referring to fig. 2 and 4, from top to bottom, the lengths of the plurality of primary conveyor belts 5 gradually increase and the bandwidths gradually increase to reduce the probability that the residue and the sewage fall down and finally directly fall to the bottom of the filter tank 1, so that both the sewage and the residue can be filtered through the plurality of primary conveyor belts 5, thereby optimizing the filtering effect. The feed end of a plurality of one-level conveyer belts 5 all is in same vertical line to when guaranteeing that sewage can be by a plurality of one-level conveyer belts 5 effective filtration, make the filter residue fall on one-level conveyer belt 5 and by filterable time, stroke longest relatively, thereby guarantee that the filter effect is best.
Be provided with one-level fender material 52 at the upper band surface of one-level conveyer belt 5, this one-level keeps off material 52 and is fixed in rose box 1, and the one-level keeps off material 52 and encloses the both ends of locating the feed end of one-level conveyer belt 5 and the upper band surface width direction of one-level conveyer belt 5 to block the filter residue of falling on one-level conveyer belt 5, prevent that the filter residue from directly falling the bottom of rose box 1, cause the reduction of filter effect.
Two material blocking blocks 53 are arranged between the upper belt surface and the lower belt surface of the primary conveyor belt 5, and the two material blocking blocks 53 are respectively coated and rotatably connected with two conveying rollers of the primary conveyor belt 5 so as to protect the conveying rollers and prevent filter residues from influencing the rotation of the conveying rollers; to two material blocking blocks 53 on same one-level conveyer belt 5, two material blocking blocks 53 one side in opposite directions all are provided with two inclined planes 531, and the contained angle that two inclined planes 531 of same material blocking block 53 formed is towards the transfer roller opening that inclined plane 531 is close to for the filter residue that falls on the pivoted one-level conveyer belt 5 area is in time fallen down from one-level conveyer belt 5 under the guide effect of inclined plane 531, thereby reinforcing the filter effect, and guarantee one-level conveyer belt 5's normal operating.
Referring to fig. 3, the first-level scraper 6 fixed on the wall of the slag passing hole 21 is arranged between the lower belt surface of the first-level conveyor belt 5 and the slag passing hole 21, the first-level scraper 6 abuts against the lower belt surface of the first-level conveyor belt 5 to scrape off the filter residue adhered to the first-level conveyor belt 5, and the filter residue is prevented from being brought into the water collecting cavity 3 by the belt surface of the first-level conveyor belt 5, so that the filtering effect is reduced. One side that is close to one-level conveyer belt 5 at one-level scraper blade 6 rotates and is connected with a plurality of balls 61 to reduce the friction of one-level scraper blade 6 to one-level conveyer belt 5 tape surface, and through ball 61's rotation, utilize pivoted ball 61 to pass in and out the effect of filtration pore 51 repeatedly, make one-level conveyer belt 5 take place slight vibrations, will probably bond the filter residue shake on one-level conveyer belt 5 and fall, thereby guarantee the long-term preferred of filter effect of one-level conveyer belt 5.
Referring to fig. 2 and 3, a secondary conveyor belt 7 is arranged in the slag collecting cavity 4, and a conveying roller of the secondary conveyor belt 7 is rotatably connected to the filter box 1 to realize the installation of the secondary conveyor belt 7. The second grade conveyer belt 7 sets up in the downside of the one-level conveyer belt 5 of below slope, and the discharge end of the one-level conveyer belt 5 of below is located the middle part position of second grade conveyer belt 7, and the feed end of second grade conveyer belt 7 is the low end and passes and keep off the sediment hole 22 and stretch into in the chamber 3 that catchments to the filter residue of the leading-in collection sediment chamber 4 of one-level conveyer belt 5 can fall on second grade conveyer belt 7. Under the effect of the secondary conveyor belt 7 that starts, a little sewage that contains in the filter residue flows down and falls in catchment chamber 3, and the filter residue falls in the bottom in collection sediment chamber 4 from the discharge end of secondary conveyor belt 7 to further accomplish the separation of filter residue and sewage, make the separation effect better.
A baffle 71 fixed on the wall of the slag blocking hole 22 is abutted on the upper belt surface of the secondary conveyor belt 7 so as to block filter residues which may roll down towards the feeding end of the secondary conveyor belt 7; and a plurality of drain holes 711 are perforated in the baffle 71 to guide the sewage flowing toward the feeding end of the secondary conveyor 7 into the water collecting chamber 3 in time. The lower belt surface of the secondary conveyor belt 7 is abutted with a secondary scraper 72 fixed on the hole wall of the slag blocking hole 22 so as to scrape off filter residues possibly adhered to the belt surface of the secondary conveyor belt 7. The baffle 71 and the secondary scraper 72 are made of soft material (e.g., rubber) to reduce the possibility of abrasion of the belt surface of the secondary conveyor belt 7.
Be provided with the second grade that is located collection sediment chamber 4 at the upper band surface of second grade conveyer belt 7 and keep off material 73, the second grade keeps off material 73 and encloses the both ends of locating second grade conveyer belt 7 area face width direction and be fixed in baffle 2 to filter residue and sewage on the second grade conveyer belt 7 are led, are blockked, guarantee the separation effect preferred of filter residue and sewage.
Be fixed with the baffle 8 that is located the secondary conveyor belt 7 below in the bottom of collection sediment chamber 4, baffle 8 slope sets up to lead through the filter residue in the leading-in collection sediment chamber 4 of secondary conveyor belt 7, and the low side of baffle 8 extends towards row's sediment pipe 41, so that with the relative abundant discharge of filter residue.
The primary conveyor 5 and the secondary conveyor 7 are well known in the art, and therefore, a detailed description of their respective structures and connections will not be provided herein.
Finally, the above embodiments are only used for illustrating the technical solutions of the present application and not for limiting, although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application, and all the technical solutions of the present application should be covered by the claims of the present application.

Claims (10)

1. The utility model provides a sewage treatment device with from clearance function which characterized in that: the filter box comprises a filter box (1), wherein a partition plate (2) is arranged in the filter box (1) and is provided with a water collecting cavity (3) and a slag collecting cavity (4), the partition plate (2) penetrates through a slag passing hole (21) forming a distance with the bottom of the filter box (1) along the thickness direction, the top of the water collecting cavity (3) is communicated with a feeding pipe (31), the bottom of the water collecting cavity (3) is communicated with a water discharging pipe (32), and the bottom of the slag collecting cavity (4) is communicated with a slag discharging pipe (41); from the top down the interval is provided with a plurality of one-level conveyer belts (5) that are located under inlet pipe (31) in water collecting cavity (3), the discharge end of one-level conveyer belt (5) is close to album sediment chamber (4), and the below the discharge end of one-level conveyer belt (5) passes through cinder hole (21), a plurality of filtration pore (51) have been seted up in running through to the area face of one-level conveyer belt (5), from the top down a plurality of one-level conveyer belts (5) the aperture of filtration pore (51) reduces gradually.
2. The sewage treatment apparatus having a self-cleaning function according to claim 1, wherein: the length of the primary conveyor belts (5) from top to bottom is gradually increased, and the bandwidth is gradually increased.
3. The sewage treatment apparatus having a self-cleaning function according to claim 2, wherein: the one-level conveyer belt (5) is obliquely arranged, and the discharge end of the one-level conveyer belt (5) is higher than the feed end.
4. The sewage treatment apparatus having a self-cleaning function according to claim 3, wherein: the upper belt surface of the primary conveyor belt (5) is provided with a primary material blocking part (52) fixed on the filter box (1), and the primary material blocking part (52) is arranged at the feeding end of the primary conveyor belt (5) in a surrounding mode and at the two ends of the belt surface in the width direction.
5. The sewage treatment apparatus having a self-cleaning function according to claim 4, wherein: two material blocking blocks (53) respectively coated on the two conveying rollers are arranged between the upper belt surface and the lower belt surface of the first-stage conveying belt (5).
6. The sewage treatment apparatus having a self-cleaning function according to claim 5, wherein: two keep off material piece (53) one side in opposite directions all is provided with two inclined planes (531), these two the contained angle that inclined plane (531) formed is towards the transfer roller opening that inclined plane (531) are close to.
7. The sewage treatment apparatus having a self-cleaning function according to claim 1, wherein: cross slag hole (21) and set up one-level scraper blade (6) of butt lower band face in one-level conveyer belt (5), one side that one-level scraper blade (6) are close to one-level conveyer belt (5) is rotated and is connected with a plurality of balls (61).
8. The sewage treatment apparatus having a self-cleaning function according to claim 1, wherein: the partition plate (2) is provided with a slag blocking hole (22) which is lower than the slag passing hole (21) and forms a space with the bottom of the filter box (1) in a penetrating way along the thickness direction; the slag collecting cavity (4) is internally and obliquely provided with a secondary conveyor belt (7) used for receiving filter residues of the primary conveyor belt (5) introduced into the slag collecting cavity (4), and the feeding end of the secondary conveyor belt (7) is a low end and penetrates through the slag blocking hole (22).
9. The sewage treatment apparatus having a self-cleaning function according to claim 8, wherein: a baffle (71) which is abutted to the upper belt surface of the secondary conveyor belt (7) is arranged in the slag blocking hole (22), a plurality of drain holes (711) are formed in the baffle (71) in a penetrating manner, and a secondary scraper (72) which is abutted to the lower belt surface of the secondary conveyor belt (7) is arranged in the slag blocking hole (22).
10. The sewage treatment apparatus having a self-cleaning function according to claim 9, wherein: the upper belt surface of the secondary conveyor belt (7) is provided with a secondary material blocking part (73) positioned in the slag collecting cavity (4), and the secondary material blocking part (73) is arranged at two ends of the belt surface of the secondary conveyor belt (7) in the width direction in a surrounding manner and is fixed on the partition plate (2).
CN202110874593.4A 2021-07-30 2021-07-30 Sewage treatment equipment with self-cleaning function Withdrawn CN113398646A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110874593.4A CN113398646A (en) 2021-07-30 2021-07-30 Sewage treatment equipment with self-cleaning function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110874593.4A CN113398646A (en) 2021-07-30 2021-07-30 Sewage treatment equipment with self-cleaning function

Publications (1)

Publication Number Publication Date
CN113398646A true CN113398646A (en) 2021-09-17

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ID=77688417

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Application Number Title Priority Date Filing Date
CN202110874593.4A Withdrawn CN113398646A (en) 2021-07-30 2021-07-30 Sewage treatment equipment with self-cleaning function

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114059489A (en) * 2021-11-25 2022-02-18 中建八局西南建设工程有限公司 Wash and scrape integrative device of water
CN117285195A (en) * 2023-10-17 2023-12-26 漾濞彝族自治县林业和草原局 Walnut fruit washing sewage harmless treatment system and process

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114059489A (en) * 2021-11-25 2022-02-18 中建八局西南建设工程有限公司 Wash and scrape integrative device of water
CN114059489B (en) * 2021-11-25 2024-04-12 中建八局西南建设工程有限公司 Cleaning and water scraping integrated device
CN117285195A (en) * 2023-10-17 2023-12-26 漾濞彝族自治县林业和草原局 Walnut fruit washing sewage harmless treatment system and process

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Application publication date: 20210917