CN114225508A - Sewage pretreatment filtering system - Google Patents
Sewage pretreatment filtering system Download PDFInfo
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- CN114225508A CN114225508A CN202111206465.9A CN202111206465A CN114225508A CN 114225508 A CN114225508 A CN 114225508A CN 202111206465 A CN202111206465 A CN 202111206465A CN 114225508 A CN114225508 A CN 114225508A
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- 238000001914 filtration Methods 0.000 title claims abstract description 87
- 239000010865 sewage Substances 0.000 title claims abstract description 68
- 239000012535 impurity Substances 0.000 claims abstract description 19
- 238000004804 winding Methods 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000004891 communication Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000003028 elevating effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/92—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging filtrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
- B01D29/965—Device for changing the inclination of the filtering element
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the technical field of filtering equipment, and provides a sewage pretreatment filtering system, which comprises a filtering box body, a water outlet pipe and a mounting plate, and further comprises: the filter frame is used for filtering sewage and is positioned in the filter box body, a first filter screen plate and a second filter screen plate are arranged in the filter frame, and the first filter screen plate and the second filter screen plate are detachably connected with the inner wall of the filter frame; the standby filter chamber is a cavity between the first filter screen plate and the second filter screen plate, and is communicated with the outside through a communicating pipe which penetrates through the first filter screen plate and is fixedly connected with the first filter screen plate. Through the setting of communicating pipe and reserve filter chamber, even first filter plate is stopped up by impurity completely, sewage also can be filtered through second filter plate, does not influence sewage treatment efficiency.
Description
Technical Field
The invention relates to the technical field of filtering equipment, in particular to a sewage pretreatment filtering system.
Background
The sewage pretreatment is a pretreatment facility which is set according to the requirements of the subsequent treatment process on the water quality before the sewage enters the treatment, and is the throat of a sewage treatment plant, and the sewage pretreatment technology mainly comprises a coagulation method, a precipitation method and the like.
Among the sewage treatment process, need filter impurity such as the sediment that the preliminary treatment produced, generally filter with the filter screen can, after the filter screen used a period, the surface of filter screen can be covered by impurity, the mesh of filter screen is plugged up, when the staff can not in time clear up the impurity on filter screen surface, sewage can't pass the filter screen, seriously influence sewage treatment efficiency, consequently need provide a sewage preliminary treatment filtration system, aim at solving above-mentioned problem.
Disclosure of Invention
The invention aims to provide a sewage pretreatment filtering system, and aims to solve the problems that after a filtering net is used for a period of time, the surface of the filtering net is covered by impurities, meshes of the filtering net are blocked, sewage cannot pass through the filtering net, and the sewage treatment efficiency is seriously influenced.
In order to achieve the above object, the present invention provides the following technical solution, wherein the sewage pretreatment filtering system comprises a filtering tank body, a water outlet pipe and a mounting plate, and further comprises:
the filter frame is used for filtering sewage and is positioned in the filter box body, a first filter screen plate and a second filter screen plate are arranged in the filter frame, and the first filter screen plate and the second filter screen plate are detachably connected with the inner wall of the filter frame;
when the first filter screen plate is blocked, a spare filter chamber for ensuring that sewage can be normally filtered is formed, the spare filter chamber is a cavity between the first filter screen plate and the second filter screen plate, the spare filter chamber is communicated with the outside through a communicating pipe, and the communicating pipe penetrates through the first filter screen plate and is fixedly connected with the first filter screen plate; and
the lifting mechanism is used for automatically taking out the filter frame and is arranged on the mounting plate.
As a further aspect of the present invention, the elevating mechanism includes: the wire winding and unwinding assembly is wound with a rope piece, one end of the rope piece is connected with the filter frame, the wire winding and unwinding assembly consists of a rotary driving element and a wire winding and unwinding roller, the rotary driving element is used for driving the wire winding and unwinding roller to rotate, and the rotary driving element is fixedly arranged on the mounting plate; and the guide assembly is used for guiding the running track of the filter frame.
As a further aspect of the present invention, the guide assembly includes: the outer side surface of the filter frame is provided with a plurality of rollers, and the rollers roll along the inner side surface of the filter box body; the limiting plate is fixedly connected with the filter frame, and a guide through hole is formed in the surface of the limiting plate; and the guide post is matched with the guide through hole and is fixedly connected with the filtering box body, and the outer side surface of the guide post is connected with the inner side surface of the guide through hole in a sliding fit manner.
As a further aspect of the present invention, the sewage pretreatment filtration system further includes a communicating pipe cleaning member for automatically cleaning an inner wall of the communicating pipe, the communicating pipe cleaning member includes: the end of the brush stick, which is far away from the filter frame, is fixedly connected with a positioning plate, and the surface of the positioning plate is contacted with the bottom surface of the mounting plate; and the flexible elastic part is used for limiting the brush stick, a mounting box is fixedly mounted on the mounting plate, the flexible elastic part is mounted in the mounting box, and one end of the flexible elastic part is connected with the positioning plate.
As a further scheme of the invention, one end of the first filter screen plate and one end of the second filter screen plate are rotatably connected with the inner wall of the filter frame, and the other end of the first filter screen plate and the other end of the second filter screen plate are connected with the filter frame through connecting pieces.
As a further scheme of the invention, the connecting piece is an inserting plate, two inserting grooves are arranged on the side surface of the filter frame, the inserting plate is connected with the inner side surfaces of the inserting grooves in a sliding fit manner, and the two inserting plates are respectively used for supporting the first filter screen plate and the second filter screen plate.
As a further aspect of the present invention, the sewage pretreatment filtering system further includes a collection tank for collecting impurities.
In conclusion, the beneficial effects of the invention are as follows:
through the setting of communicating pipe and reserve filter chamber, even first filter plate is stopped up by impurity completely, sewage also can be filtered through the second filter plate, does not influence sewage treatment efficiency, and elevating system can take out the filter frame from the rose box body, and then conveniently clears up the impurity on first filter plate and the second filter plate, compares only one filter plate's device, has reduced the clearance frequency by a wide margin.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
fig. 1 is a schematic diagram of an internal structure of a sewage pretreatment filtering system according to an embodiment of the present invention.
Fig. 2 is a first schematic view of a sewage pretreatment filtering system according to an embodiment of the present invention.
Fig. 3 is a second schematic view illustrating the operation of a sewage pretreatment filtering system according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a partial three-dimensional structure of a sewage pretreatment filtering system according to an embodiment of the present invention.
Reference numerals: 100-lifting mechanism, 1-filtering box body, 2-filtering frame, 3-water outlet pipe, 4-first filtering screen plate, 5-second filtering screen plate, 6-communicating pipe, 7-inserting plate, 8-roller, 9-limiting plate, 91-guiding through hole, 10-guiding column, 11-fixing frame, 12-mounting plate, 13-wire collecting and releasing component, 131-wire collecting and releasing roller, 14-rope component, 15-rope fixing ring, 16-brush stick, 17-positioning plate, 18-flexible elastic component, 19-mounting box, 20-collecting box and 22-standby filtering cavity.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Referring to fig. 1, 2 and 3, a sewage pretreatment filtering system according to an embodiment of the present invention includes a filtering tank 1, a water outlet pipe 3 and a mounting plate 12, and the sewage pretreatment filtering system further includes:
the sewage filter comprises a filter frame 2 for filtering sewage, wherein the filter frame 2 is positioned in a filter box body 1, a first filter screen plate 4 and a second filter screen plate 5 are arranged in the filter frame 2, and the first filter screen plate 4 and the second filter screen plate 5 are detachably connected with the inner wall of the filter frame 2;
when the first filter screen plate 4 is blocked, the standby filter chamber 22 is used for ensuring that sewage can be normally filtered, the standby filter chamber 22 is a cavity between the first filter screen plate 4 and the second filter screen plate 5, the standby filter chamber 22 is communicated with the outside through a communicating pipe 6, and the communicating pipe 6 penetrates through the first filter screen plate 4 and is fixedly connected with the first filter screen plate 4; and
the lifting mechanism 100 is used for automatically taking out the filter frame 2, and the lifting mechanism 100 is installed on the installation plate 12.
In the embodiment of the invention, the mounting plate 12 is positioned right above the filtering box body 1, the fixing frame 11 is fixedly connected to the filtering box body 1, the mounting plate 12 is fixedly mounted on the fixing frame 11, the side surfaces of the filtering frame 2 are sealed, sewage cannot flow out from the side surfaces of the filtering frame 2, the first filtering screen plate 4 and the second filtering screen plate 5 are both horizontally arranged, the first filtering screen plate 4 is positioned above the second filtering screen plate 5, the mesh size of the first filtering screen plate 4 is the same as that of the second filtering screen plate 5, the upper end of the communicating pipe 6 is lower than the upper end of the filtering frame 2, when in use, sewage is directly poured into the filtering frame 2, the first filtering screen plate 4 intercepts impurities in the sewage, the filtered sewage directly passes through the first filtering screen plate 4 and the second filtering screen plate 5, and after a period of time, more impurities are accumulated on the first filtering screen plate 4, the mesh on the first filter screen board 4 is stopped up, first filter screen board 4 can't be passed through fast to the sewage of first filter screen board 4 top, and along with constantly joining of sewage, the sewage of first filter screen board 4 top is accumulated more, the water level of up to sewage is higher than the upper end of communicating pipe 6, sewage is through communicating pipe 6 spare filter chamber 22 of entering, second filter screen board 5 filters sewage, the mesh of up to second filter screen board 5 is also stopped up, start elevating system 100, elevating system 100 will filter frame 2 and take out from filtering box 1, and then conveniently clear up the impurity of filtering in the frame 2, so, even first filter screen board 4 is stopped up also can normal use completely.
Referring to fig. 1, 2, 3 and 4, in an embodiment of the present invention, the lifting mechanism 100 includes: the wire winding and unwinding assembly 13 is provided with a rope piece 14 in a winding manner, one end of the rope piece 14 is connected with the filter frame 2, the wire winding and unwinding assembly 13 is composed of a rotary driving element and a wire winding and unwinding roller 131, the rotary driving element is used for driving the wire winding and unwinding roller 131 to rotate, and the rotary driving element is fixedly arranged on the mounting plate 12; and a guide assembly for guiding the running track of the filter frame 2.
The guide assembly includes: the outer side surface of the filter frame 2 is provided with a plurality of rollers 8, and the rollers 8 roll along the inner side surface of the filter box body 1; the limiting plate 9 is fixedly connected with the filter frame 2, and a guide through hole 91 is formed in the surface of the limiting plate 9; and the guide post 10 is matched with the guide through hole 91, the guide post 10 is fixedly connected with the filtering box body 1, and the outer side surface of the guide post 10 is connected with the inner side surface of the guide through hole 91 in a sliding fit manner.
In the embodiment of the invention, one end of the rope member 14 is wound on the outer side of the take-up and pay-off roller 131, the rope member 14 is a steel wire rope or a nylon rope, the rope fixing ring 15 is installed at the upper end of the filter frame 2, the other end of the rope member 14 is connected with the rope fixing ring 15, the guide post 10 is vertically arranged, the upper end of the guide post 10 is fixedly connected with the mounting plate 12, the rotary driving element is a rotary motor, an output shaft of the rotary motor is coaxially and fixedly connected with the take-up and pay-off roller 131, when the filter frame is used, the rotary motor is started, so that the take-up and pay-off roller 131 is positively or reversely rotated, the rope member 14 is further taken up or paid out, and the filter frame 2 is pulled up or put down.
Referring to fig. 1, 2, 3 and 4, in an embodiment of the present invention, the sewage pretreatment filtering system further includes a communicating pipe cleaning member for automatically cleaning an inner wall of the communicating pipe 6, the communicating pipe cleaning member including: the brush roller 16, the end of the brush roller 16 far away from the filter frame 2 is fixedly connected with a positioning plate 17, when filtering sewage, the surface of the positioning plate 17 contacts with the bottom surface of the mounting plate 12, and the brush roller 16 is positioned right above the communicating pipe 6; and a flexible elastic part 18 for limiting the brush 16, wherein a mounting box 19 is fixedly mounted on the mounting plate 12, the flexible elastic part 18 is mounted in the mounting box 19, one end of the flexible elastic part 18 is connected with the positioning plate 17, and the upper surface of the positioning plate 17 can be contacted with or separated from the bottom surface of the mounting plate 12 under the action of the flexible elastic part 18.
In the embodiment of the present invention, the upper surface of the positioning plate 17 is a horizontal surface, the center line of the brush 16 is perpendicular to the upper surface of the positioning plate 17, so that when the upper surface of the positioning plate 17 contacts the bottom surface of the mounting plate 12, the brush 16 is vertical, the communication pipe 6 is vertically arranged, at this time, the brush 16 is located on the square of the communication pipe 6, the number of the brush 16 is the same as that of the communication pipe 6, the surface of the brush 16 is connected with bristles, and when the filter frame 2 rises to a certain height, the brush 16 is just inserted into the communication pipe 6 to clean the inner wall of the communication pipe 6.
Referring to fig. 1, 2, 3 and 4, in one embodiment of the present invention, one end of the first filter screen plate 4 and one end of the second filter screen plate 5 are both rotatably connected to the inner wall of the filter frame 2, and the other end of the first filter screen plate 4 and the other end of the second filter screen plate 5 are both connected to the filter frame 2 through a connecting member. The connecting piece is picture peg 7, be provided with two slots on the side of filtering frame 2, picture peg 7 is connected with the medial surface sliding fit of slot, two picture peg 7 is used for supporting first filter screen board 4 and second filter screen board 5 respectively.
In the embodiment of the invention, the sewage pretreatment filtering system further comprises a collecting box 20 for collecting impurities, when the impurities on the surfaces of the first filtering screen plate 4 and the second filtering screen plate 5 need to be cleaned, the lifting mechanism 100 is started, the lifting mechanism 100 takes the filtering frame 2 out of the filtering box body 1, and when the filtering frame 2 rises to a certain height, the brush 16 is just inserted into the communicating pipe 6 to clean the inner wall of the communicating pipe 6; then, the collecting box 20 is placed on the surface of the filtering box body 1, then the inserting plate 7 below is taken out, the second filtering screen plate 5 inclines, impurities on the second filtering screen plate 5 are poured into the collecting box 20, then the inserting plate 7 above is taken out, the first filtering screen plate 4 inclines, impurities on the first filtering screen plate 4 are poured into the collecting box 20, therefore, the first filtering screen plate 4 and the second filtering screen plate 5 can be cleaned at one time, compared with a device with only one filtering screen plate, the cleaning frequency is reduced, in addition, through the arrangement of the flexible elastic piece 18, the brush 16 can not influence the inclination of the first filtering screen plate 4 and the second filtering screen plate 5, and the flexible elastic piece 18 is a reset spring or an elastic rope.
The working process of the embodiment of the invention is as follows: when the sewage filter is used, sewage is directly poured into the filter frame 2, the first filter screen plate 4 intercepts impurities in the sewage, the filtered sewage directly passes through the first filter screen plate 4 and the second filter screen plate 5, after a period of time, more and more impurities are accumulated on the first filter screen plate 4, meshes on the first filter screen plate 4 are blocked, the sewage above the first filter screen plate 4 cannot rapidly pass through the first filter screen plate 4, along with the continuous addition of the sewage, the more the sewage above the first filter screen plate 4 is accumulated until the water level of the sewage is higher than the upper end of the communicating pipe 6, the sewage enters the standby filter cavity 22 through the communicating pipe 6, the second filter screen plate 5 filters the sewage until the meshes of the second filter screen plate 5 are also blocked, the lifting mechanism 100 is started, the lifting mechanism 100 takes the filter frame 2 out of the filter box body 1, and further facilitates the cleaning of the impurities in the filter frame 2, in this way, normal use is possible even if the first filter screen plate 4 is completely blocked.
Although several embodiments and examples of the present invention have been described for those skilled in the art, these embodiments and examples are presented as examples and are not intended to limit the scope of the invention. These new embodiments can be implemented in other various ways, and various omissions, substitutions, and changes can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalent scope thereof.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a sewage pretreatment filtration system, includes filter tank, outlet pipe and mounting panel, its characterized in that, sewage pretreatment filtration system still includes:
the filter frame is used for filtering sewage and is positioned in the filter box body, a first filter screen plate and a second filter screen plate are arranged in the filter frame, and the first filter screen plate and the second filter screen plate are detachably connected with the inner wall of the filter frame;
when the first filter screen plate is blocked, a spare filter chamber for ensuring that sewage can be normally filtered is formed, the spare filter chamber is a cavity between the first filter screen plate and the second filter screen plate, the spare filter chamber is communicated with the outside through a communicating pipe, and the communicating pipe penetrates through the first filter screen plate and is fixedly connected with the first filter screen plate; and
the lifting mechanism is used for automatically taking out the filter frame and is arranged on the mounting plate.
2. The sewage pretreatment filtration system of claim 1, wherein the lift mechanism comprises:
the wire winding and unwinding assembly is wound with a rope piece, one end of the rope piece is connected with the filter frame, the wire winding and unwinding assembly consists of a rotary driving element and a wire winding and unwinding roller, the rotary driving element is used for driving the wire winding and unwinding roller to rotate, and the rotary driving element is fixedly arranged on the mounting plate; and
and the guide assembly is used for guiding the running track of the filter frame.
3. The sewage pretreatment filter system of claim 2, wherein the guide assembly comprises:
the outer side surface of the filter frame is provided with a plurality of rollers, and the rollers roll along the inner side surface of the filter box body;
the limiting plate is fixedly connected with the filter frame, and a guide through hole is formed in the surface of the limiting plate; and
and the guide post is matched with the guide through hole and fixedly connected with the filtering box body, and the outer side surface of the guide post is connected with the inner side surface of the guide through hole in a sliding fit manner.
4. The sewage pretreatment filter system according to claim 1, further comprising a communicating pipe cleaning member for automatically cleaning an inner wall of a communicating pipe, the communicating pipe cleaning member comprising:
the brush roller is fixedly connected with a positioning plate at one end of the brush roller, which is far away from the filter frame, when sewage is filtered, the surface of the positioning plate is contacted with the bottom surface of the mounting plate, and the brush roller is positioned right above the communicating pipe; and
the brush rod limiting device is used for limiting the flexible elastic piece of a brush rod, a mounting box is fixedly mounted on the mounting plate, the flexible elastic piece is mounted in the mounting box, and one end of the flexible elastic piece is connected with the positioning plate.
5. The sewage pretreatment filtering system according to claim 1, wherein one end of the first filtering screen plate and one end of the second filtering screen plate are rotatably connected to an inner wall of the filtering frame, and the other end of the first filtering screen plate and the other end of the second filtering screen plate are connected to the filtering frame through a connecting member.
6. The sewage pretreatment filtering system according to claim 5, wherein the connecting member is an insert plate, two insert grooves are formed in the side surface of the filtering frame, the insert plate is connected with the inner side surfaces of the insert grooves in a sliding fit manner, and the two insert plates are respectively used for supporting the first filtering screen plate and the second filtering screen plate.
7. The sewage pretreatment filter system of claim 1, further comprising a collection tank for collecting impurities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111206465.9A CN114225508B (en) | 2021-10-16 | 2021-10-16 | Sewage pretreatment filtration system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111206465.9A CN114225508B (en) | 2021-10-16 | 2021-10-16 | Sewage pretreatment filtration system |
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| CN114225508A true CN114225508A (en) | 2022-03-25 |
| CN114225508B CN114225508B (en) | 2022-12-20 |
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Denomination of invention: A sewage pretreatment and filtration system Effective date of registration: 20230425 Granted publication date: 20221220 Pledgee: Bank of Jiangsu Limited by Share Ltd. Hangzhou branch Pledgor: ZHEJIANG WENYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Registration number: Y2023980038946 |