CN116139565A - Environment-friendly pretreatment equipment and pretreatment method for domestic sewage - Google Patents
Environment-friendly pretreatment equipment and pretreatment method for domestic sewage Download PDFInfo
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- CN116139565A CN116139565A CN202310203414.3A CN202310203414A CN116139565A CN 116139565 A CN116139565 A CN 116139565A CN 202310203414 A CN202310203414 A CN 202310203414A CN 116139565 A CN116139565 A CN 116139565A
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- 239000010865 sewage Substances 0.000 title claims abstract description 77
- 238000002203 pretreatment Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 230000007613 environmental effect Effects 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 238000007667 floating Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000004062 sedimentation Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 239000010802 sludge Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
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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
- B01D29/01—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
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—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
- 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
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/12—Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sewage (AREA)
Abstract
The invention relates to the field of sewage treatment, in particular to an environmental-friendly pretreatment device and a pretreatment method for domestic sewage, wherein the pretreatment device comprises a square tube and a filtering component; the upper end and the lower end of the square pipe are sealed, a water inlet pipe and a water outlet pipe are respectively arranged, and a sewage discharge pipe is arranged on the water outlet pipe; the supporting plate is arranged on the inner wall of the square tube; one end of the supporting rod a is rotationally connected with the wall of the mounting groove, the other end of the supporting rod a penetrates through the supporting plate and the wall of the square tube, and a power assembly for driving the supporting rod a to rotate is arranged on the outer wall of the square tube; the filter plate is arranged on the support rod a; the bottom of the supporting plate is provided with a supporting component which is used for supporting the bottom of one end of the filter plate far away from the power component; the filter components are arranged in two groups side by side. According to the invention, domestic sewage can be fully filtered through the two groups of filter plates, and the accumulation on the surfaces of the filter plates can be automatically cleaned without stopping the machine, so that the treatment efficiency of the domestic sewage is improved.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to an environment-friendly pretreatment device and a pretreatment method for domestic sewage.
Background
The sewage pretreatment is a pretreatment facility which is arranged according to the requirement of the subsequent treatment flow on water quality before sewage enters the traditional sediment, organism and the like, and is the throat of a sewage treatment plant. For the urban domestic sewage centralized treatment plant, the pretreatment mainly comprises treatment facilities such as grids, screens, grit chambers and the like, and mainly plays a role in filtering foreign matters in the domestic sewage.
The Chinese patent with the publication number of CN113368566A discloses an environmental-friendly pretreatment device and a pretreatment method for domestic sewage, the lower end of a base is connected with the existing ground, fixing frames are symmetrically arranged at the left and right ends of the base, a filter device is arranged between the two fixing frames, a filter screen in the filter device can realize the function of filtering the domestic sewage by sludge, a plurality of filter screens can realize multistage filtration, the filtration effect of the device on the domestic sewage is enhanced, the pretreatment effect of the device on the domestic sewage is further enhanced, a first motor, a cam and a cylindrical rod in the filter device are matched to enable the filter screen to form an up-and-down motion state in the filtration process, and a flexible brush in the filter device can timely clean filter holes on the filter screen in the up-and-down motion state so as to prevent the filter holes from being blocked due to sludge accumulation in the filter holes.
However, the above disclosed solution has the following disadvantages: the cleaning of the filter screen requires the sewage treatment process to stop, and the continuity and efficiency of sewage treatment are reduced.
Disclosure of Invention
The invention aims to solve the problem that a filter screen is required to be cleaned and stopped in the background technology, and provides environmental protection pretreatment equipment and pretreatment method for domestic sewage.
In one aspect, the invention provides an environmental protection pretreatment device for domestic sewage, which comprises a square tube and a filtering component; the filter assembly comprises a support plate, a filter plate, a support rod a and a control system;
the upper end and the lower end of the square pipe are sealed, a water inlet pipe and a water outlet pipe are respectively arranged, a sewage outlet pipe is arranged on the water outlet pipe, and valves are arranged on the water inlet pipe, the water outlet pipe and the sewage outlet pipe;
the supporting plate is arranged on the inner wall of the square pipe, and is provided with a mounting groove penetrating up and down; one end of the supporting rod a is rotationally connected with the wall of the mounting groove, the other end of the supporting rod a penetrates through the supporting plate and the wall of the square pipe, and a power assembly for driving the supporting rod a to rotate one hundred eighty degrees once is arranged on the outer wall of the square pipe; the filter plate is arranged on the support rod a, and the outer wall of the filter plate is contacted with the wall of the mounting groove; the bottom of the supporting plate is provided with a supporting component which is used for supporting the bottom of one end of the filter plate far away from the power component; the filter assemblies are arranged in parallel and are a first filter assembly and a second filter assembly from top to bottom in sequence; the control system is in control connection with the power assembly, the supporting assembly and the valve.
Preferably, a through hole for the supporting rod a to pass through is arranged on the pipe wall of the square pipe, and a sealing waterproof bearing is arranged between the wall of the through hole and the supporting rod a.
Preferably, the power assembly comprises a gear, a rack, a telescopic device and a protective cover; the gear is arranged on the support rod a and is positioned outside the square tube; the rack is horizontally and slidably arranged on the outer wall of the square tube and meshed with the gear; the protection casing sets up on square tube outer wall, and telescoping device sets up on the protection casing inner wall, and telescoping device's flexible end and rack end connection.
Preferably, the telescopic end of the telescopic device is connected with the rack through a floating joint.
Preferably, the telescopic device is an air cylinder, a hydraulic cylinder or an electric push rod, and the filter plate is turned one hundred eighty degrees under the complete extending state of the telescopic device.
Preferably, the supporting component comprises a bottom supporting plate, a vertical plate, a limiting rod, a cam and a supporting rod b; the bottom supporting plate is arranged at the bottom of the supporting plate in a sliding way, the sliding direction is close to or far away from the power assembly, and the top of the bottom supporting plate is contacted with the bottom of the filter plate; the vertical plate is arranged at the bottom of the bottom supporting plate, a sliding groove b is vertically formed in the vertical plate, and a sliding block is arranged in the sliding groove b in a sliding manner; the limiting rod is horizontally arranged on the sliding block; the support rod b is rotatably arranged on the pipe wall of the square pipe and provided with a sealing waterproof bearing at a rotating position, and the support rod b penetrates through the square pipe and is vertical to the support rod a; the cam is arranged at one end of the supporting rod b, a cylinder body is arranged on the end face of the cam, the end part of the limiting rod is inserted into the cylinder body, a power assembly is arranged on the outer wall of the square tube, and the power assembly drives the limiting rod to rotate.
Preferably, a plurality of groups of sliding grooves a are formed in the bottom of the supporting plate, a plurality of groups of sliding rails are arranged at the top of the bottom supporting plate, and the sliding rails slide in a matched manner with the sliding grooves a; the top of the bottom supporting plate is provided with a guiding bevel edge.
On the other hand, the invention provides a pretreatment method of the environmental protection pretreatment equipment for domestic sewage, which comprises the following steps:
s1, domestic sewage is discharged into a square pipe through a water inlet pipe, filtered by two groups of filter plates and discharged from a water outlet pipe into a sedimentation tank, and a valve on a sewage discharge pipe is in a closed state at the moment;
s2, cleaning the piled matters on the filter plates regularly, wherein during cleaning, a control supporting component in the first filter component releases the support on the bottom of the filter plates, and then a power component in the first filter component drives a supporting rod a and the filter plates to rotate for one hundred eighty degrees, so that the piled matters fall onto the filter plates in the second filter component under the impact of sewage;
s3, reversing the filter plate in the first filter assembly by one hundred eighty degrees to return to the horizontal initial position, and supporting the filter plate again by the supporting assembly;
s4, closing a valve on the water outlet pipe, opening a valve on the sewage outlet pipe, removing the support on the bottom of the filter plate by a support component in the second filter component, and then driving the support rod a and the filter plate to rotate for one hundred eighty degrees by a power component in the second filter component, wherein under the impact of sewage, accumulated matters flow away along with water and are discharged through the sewage outlet pipe to be collected intensively;
s5, reversing the filter plate in the second filter assembly by one hundred eighty degrees to return to the horizontal initial position, supporting the filter plate again by the supporting assembly, closing the valve on the sewage drain pipe, and simultaneously opening the valve on the water outlet pipe.
Compared with the prior art, the invention has the following beneficial technical effects: can fully filter domestic sewage through two sets of filter, and the filter can clear up the deposit on surface automatically, and when the filter is automatic to clear up the surface deposit in addition, need not stop sewage entering, can realize the purpose of clearance filter of not shutting down, improved domestic sewage's treatment effeciency.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIGS. 2, 3 and 4 are schematic views of the structure of the filter assembly;
fig. 5 is an enlarged schematic view at a in fig. 4.
Reference numerals: 1. square tube; 2. a water inlet pipe; 3. a water outlet pipe; 4. a blow-down pipe; 5. a valve; 6. a support plate; 7. a filter plate; 8. a supporting rod a; 9. a gear; 10. a rack; 11. a floating joint; 12. a telescoping device; 13. a protective cover; 14. a bottom support plate; 15. a chute a; 16. a riser; 17. a chute b; 18. a slide block; 19. a limit rod; 20. a cylinder; 21. a cam; 22. and a support rod b.
Detailed Description
Example 1
The invention provides an environmental protection pretreatment device for domestic sewage, which comprises a square tube 1 and a filtering component; the filter assembly comprises a supporting plate 6, a filter plate 7, a supporting rod a8 and a control system;
as shown in fig. 1, the upper end and the lower end of a square pipe 1 are sealed, a water inlet pipe 2 and a water outlet pipe 3 are respectively arranged, a sewage discharge pipe 4 is arranged on the water outlet pipe 3, and valves 5 are arranged on the water inlet pipe 2, the water outlet pipe 3 and the sewage discharge pipe 4;
as shown in fig. 2, a supporting plate 6 is arranged on the inner wall of the square tube 1, and a mounting groove penetrating up and down is arranged on the supporting plate 6; one end of a supporting rod a8 is rotationally connected with the wall of the mounting groove, the other end of the supporting rod a8 penetrates through the supporting plate 6 and the wall of the square tube 1, a through hole for the supporting rod a8 to penetrate through is formed in the wall of the square tube 1, a sealing waterproof bearing is arranged between the wall of the through hole and the supporting rod a8, and a power assembly for driving the supporting rod a8 to rotate one hundred eighty degrees for one time is arranged on the outer wall of the square tube 1; the filter plate 7 is arranged on the supporting rod a8, and the outer wall of the filter plate 7 is contacted with the wall of the mounting groove; the bottom of the support plate 6 is provided with a support assembly for providing support to the bottom of the end of the filter plate 7 remote from the power assembly.
As shown in fig. 1, the filter assemblies are arranged in two groups side by side, and a first filter assembly and a second filter assembly are sequentially arranged from top to bottom; the control system is in control connection with the power assembly, the support assembly and the valve 5.
Working principle: domestic sewage is discharged into the square pipe 1 through the water inlet pipe 2, filtered by the two groups of filter plates 7, discharged from the water outlet pipe 3 and enters the sedimentation tank, and at the moment, the valve 5 on the sewage discharge pipe 4 is in a closed state; the control system is used for setting up and regularly cleaning the deposit on the filter plate 7, when cleaning, the control supporting component in the first filter component releases the support to the bottom of the filter plate 7, then the power component in the first filter component drives the supporting rod a8 and the filter plate 7 to rotate for one hundred eighty degrees, under the reverse impact of sewage, the deposit falls onto the filter plate 7 in the second filter component, then the filter plate 7 in the first filter component reverses for one hundred eighty degrees and returns to the horizontal initial position, and the supporting component supports the filter plate 7 again, so that the deposit on the surface of the filter plate 7 in the first filter component is cleaned. Then the valve 5 on the water outlet pipe 3 is closed, the valve 5 on the sewage draining pipe 4 is opened, the support of the bottom of the filter plate 7 is released by the support component in the second filter component, then the support rod a8 and the filter plate 7 are driven by the power component in the second filter component to rotate for one hundred eighty degrees, and under the impact of sewage, the accumulated matters flow away along with the water and are discharged through the sewage draining pipe 4 to be collected in a concentrated way. The filter plate 7 in the second filter assembly is then reversed one hundred eighty degrees back to the horizontal initial position and the support assembly again supports the filter plate 7, at which time the filter plate 7 in the second filter assembly has been cleaned, and then the valve 5 on the drain pipe 4 is closed while the valve 5 on the outlet pipe 3 is opened.
In this embodiment, can fully filter domestic sewage through two sets of filter 7, and the heap on filter 7 can automatic clearance surface, and when the automatic clearance surface heap of filter 7 in addition need not stop sewage entering, can realize the purpose of clearance filter 7 of not shutting down, improved domestic sewage's treatment effeciency.
Example two
As shown in fig. 2, compared with the first embodiment, the power assembly of the environmental protection pretreatment equipment for domestic sewage provided by the invention comprises a gear 9, a rack 10, a telescopic device 12 and a protective cover 13; the gear 9 is arranged on the supporting rod a8, and the gear 9 is positioned outside the square tube 1; the rack 10 is horizontally and slidably arranged on the outer wall of the square tube 1, and the rack 10 is meshed with the gear 9; the protection casing 13 sets up on square tube 1 outer wall, and telescoping device 12 sets up on protection casing 13 inner wall, and the flexible end of telescoping device 12 passes through floating joint 11 and rack 10 end connection. The telescopic device 12 is an air cylinder, a hydraulic cylinder or an electric push rod, and the filter plate 7 is turned one hundred eighty degrees when the telescopic device 12 is in a fully extended state. The telescoping device 12 is telescopic and retracted respectively corresponding to the two states of the filter plate 7, so that the control is convenient.
Example III
As shown in fig. 2-5, compared with the first embodiment, the environmental protection pretreatment device for domestic sewage provided by the present invention, the supporting component includes a bottom bracket 14, a vertical plate 16, a limit rod 19, a cam 21 and a supporting rod b22; the bottom supporting plate 14 is arranged at the bottom of the supporting plate 6 in a sliding way, the sliding direction is close to or far away from the power assembly, and the top of the bottom supporting plate 14 is contacted with the bottom of the filter plate 7; the vertical plate 16 is arranged at the bottom of the bottom supporting plate 14, a chute b17 is vertically arranged on the vertical plate 16, and a sliding block 18 is arranged in the chute b17 in a sliding manner; the limiting rod 19 is horizontally arranged on the sliding block 18; the support rod b22 is rotatably arranged on the pipe wall of the square pipe 1, a sealing waterproof bearing is arranged at the rotating position, and the support rod b22 passes through the square pipe 1 and is vertical to the support rod a 8; the cam 21 is arranged at one end of the supporting rod b22, the end face of the cam 21 is provided with a cylinder body 20, the end part of the limiting rod 19 is inserted into the cylinder body 20, the outer wall of the square tube 1 is provided with a power assembly, and the power assembly drives the limiting rod 19 to rotate. A plurality of groups of sliding grooves a15 are formed in the bottom of the supporting plate 6, a plurality of groups of sliding rails are arranged at the top of the bottom supporting plate 14, and the sliding rails are matched with the sliding grooves a15 to slide; the top of the bottom pallet 14 is provided with a guiding bevel.
In this embodiment, during normal filtration use, the bottom plate 14 provides the support for the side bottom that the power component was kept away from to the filter 7, prevents that the filter 7 from warping under the impact of rivers, and when needs clearance filter 7 were piled up, power component drove bracing piece b22 and cam 21 and rotated, and cam 21 passes through barrel 20, gag lever post 19, slider 18 and spout b17 and drives riser 16 and bottom plate 14 horizontal slip, can release the support to the filter 7 bottom, makes filter 7 can rotate.
Example IV
The pretreatment method based on the embodiment of the domestic sewage environment-friendly pretreatment equipment comprises the following steps:
s1, domestic sewage is discharged into a square pipe 1 through a water inlet pipe 2, filtered by two groups of filter plates 7 and discharged from a water outlet pipe 3 into a sedimentation tank, and a valve 5 on a sewage discharge pipe 4 is in a closed state;
s2, cleaning the piled matters on the filter plates 7 regularly, wherein during cleaning, a control supporting component in the first filter component releases the support on the bottom of the filter plates 7, and then a power component in the first filter component drives a supporting rod a8 and the filter plates 7 to rotate for one hundred eighty degrees, so that the piled matters fall onto the filter plates 7 in the second filter component under the impact of sewage;
s3, reversing the filter plate 7 in the first filter assembly by one hundred eighty degrees to return to the horizontal initial position, and supporting the filter plate 7 again by the supporting assembly;
s4, closing a valve 5 on the water outlet pipe 3, opening the valve 5 on the sewage outlet pipe 4, removing the support on the bottom of the filter plate 7 by a support component in the second filter component, and then driving the support rod a8 and the filter plate 7 to rotate for one hundred eighty degrees by a power component in the second filter component, wherein under the impact of sewage, the accumulated matters flow away along with the water and are discharged through the sewage outlet pipe 4 to be collected intensively;
s5, the filter plate 7 in the second filter assembly is reversed for one hundred eighty degrees to return to the horizontal initial position, the support assembly supports the filter plate 7 again, then the valve 5 on the sewage drain pipe 4 is closed, and meanwhile the valve 5 on the water outlet pipe 3 is opened.
In this embodiment, can fully filter domestic sewage through two sets of filter 7, and the heap on filter 7 can automatic clearance surface, and when the automatic clearance surface heap of filter 7 in addition need not stop sewage entering, can realize the purpose of clearance filter 7 of not shutting down, improved domestic sewage's treatment effeciency.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (8)
1. An environmental protection pretreatment device for domestic sewage is characterized by comprising a square tube (1) and a filtering component; the filtering component comprises a supporting plate (6), a filtering plate (7), a supporting rod a (8) and a control system;
the upper end and the lower end of the square pipe (1) are sealed, a water inlet pipe (2) and a water outlet pipe (3) are respectively arranged, a sewage discharge pipe (4) is arranged on the water outlet pipe (3), and valves (5) are arranged on the water inlet pipe (2), the water outlet pipe (3) and the sewage discharge pipe (4);
the supporting plate (6) is arranged on the inner wall of the square pipe (1), and the supporting plate (6) is provided with a mounting groove penetrating up and down; one end of the supporting rod a (8) is rotationally connected with the wall of the mounting groove, the other end of the supporting rod a (8) penetrates through the supporting plate (6) and the wall of the square tube (1), and a power component for driving the supporting rod a (8) to rotate one hundred eighty degrees once is arranged on the outer wall of the square tube (1); the filter plate (7) is arranged on the supporting rod a (8), and the outer wall of the filter plate (7) is contacted with the wall of the mounting groove; the bottom of the supporting plate (6) is provided with a supporting component which is used for supporting the bottom of one end of the filter plate (7) far away from the power component; the filter assemblies are arranged in parallel and are a first filter assembly and a second filter assembly from top to bottom in sequence; the control system is in control connection with the power assembly, the supporting assembly and the valve (5).
2. The domestic sewage environmental protection pretreatment equipment according to claim 1, wherein a through hole for the supporting rod a (8) to pass through is arranged on the pipe wall of the square pipe (1), and a sealing waterproof bearing is arranged between the hole wall of the through hole and the supporting rod a (8).
3. The domestic sewage environmental protection pretreatment apparatus according to claim 1, wherein the power assembly comprises a gear (9), a rack (10), a telescopic device (12) and a protective cover (13); the gear (9) is arranged on the supporting rod a (8), and the gear (9) is positioned outside the square tube (1); the rack (10) is horizontally and slidably arranged on the outer wall of the square tube (1), and the rack (10) is meshed with the gear (9); the protection casing (13) is set up on square tube (1) outer wall, and telescoping device (12) are set up on protection casing (13) inner wall, and the flexible end and the rack (10) end connection of telescoping device (12).
4. A domestic sewage environmental protection pretreatment apparatus according to claim 3, characterized in that the telescopic end of the telescopic device (12) is connected with the rack (10) through a floating joint (11).
5. A domestic sewage environmental protection pretreatment apparatus according to claim 3, wherein the telescopic device (12) is a cylinder, a hydraulic cylinder or an electric push rod, and the filter plate (7) is turned one hundred eighty degrees in a state that the telescopic device (12) is fully extended.
6. The domestic sewage environmental protection pretreatment apparatus according to claim 1, wherein the supporting assembly comprises a bottom pallet (14), a vertical plate (16), a limit rod (19), a cam (21) and a supporting rod b (22); the bottom supporting plate (14) is arranged at the bottom of the supporting plate (6) in a sliding way, the sliding direction is close to or far away from the power assembly, and the top of the bottom supporting plate (14) is contacted with the bottom of the filter plate (7); the vertical plate (16) is arranged at the bottom of the bottom supporting plate (14), the vertical plate (16) is vertically provided with a sliding groove b (17), and the sliding groove b (17) is internally provided with a sliding block (18); the limiting rod (19) is horizontally arranged on the sliding block (18); the support rod b (22) is rotatably arranged on the pipe wall of the square pipe (1) and is provided with a sealing waterproof bearing at a rotating position, and the support rod b (22) penetrates through the square pipe (1) and is perpendicular to the support rod a (8); the cam (21) is arranged at one end of the supporting rod b (22), the end face of the cam (21) is provided with a cylinder body (20), the end part of the limiting rod (19) is inserted into the cylinder body (20), the outer wall of the square tube (1) is provided with a power assembly, and the power assembly drives the limiting rod (19) to rotate.
7. The domestic sewage environmental protection pretreatment equipment according to claim 6, wherein a plurality of groups of sliding grooves a (15) are arranged at the bottom of the supporting plate (6), a plurality of groups of sliding rails are arranged at the top of the bottom supporting plate (14), and the sliding rails are matched with the sliding grooves a (15) to slide; the top of the bottom supporting plate (14) is provided with a guiding bevel edge.
8. A pretreatment method of an environmental protection pretreatment apparatus for domestic sewage according to claim 1, comprising the steps of:
s1, domestic sewage is discharged into a square pipe (1) through a water inlet pipe (2), filtered by two groups of filter plates (7), and discharged from a water outlet pipe (3) to enter a sedimentation tank, and a valve (5) on a sewage discharge pipe (4) is in a closed state;
s2, cleaning deposits on the filter plates (7) periodically, wherein during cleaning, a control supporting component in the first filter component releases the support on the bottoms of the filter plates (7), and then a power component in the first filter component drives a supporting rod a (8) and the filter plates (7) to rotate for one hundred eighty degrees, so that the deposits fall onto the filter plates (7) in the second filter component under the impact of sewage;
s3, reversing the filter plate (7) in the first filter assembly by one hundred eighty degrees to return to the horizontal initial position, and supporting the filter plate (7) by the supporting assembly again;
s4, closing a valve (5) on the water outlet pipe (3), simultaneously opening the valve (5) on the sewage discharge pipe (4), removing the support on the bottom of the filter plate (7) by a support component in the second filter component, and then driving the support rod a (8) and the filter plate (7) to rotate for one hundred eighty degrees by a power component in the second filter component, wherein under the impact of sewage, the accumulated matters flow away along with the water and are discharged through the sewage discharge pipe (4) to be collected in a concentrated way;
s5, reversing the filter plate (7) in the second filter assembly by one hundred eighty degrees to return to the horizontal initial position, supporting the filter plate (7) by the supporting assembly again, closing the valve (5) on the sewage draining pipe (4), and simultaneously opening the valve (5) on the water outlet pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310203414.3A CN116139565A (en) | 2023-03-06 | 2023-03-06 | Environment-friendly pretreatment equipment and pretreatment method for domestic sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310203414.3A CN116139565A (en) | 2023-03-06 | 2023-03-06 | Environment-friendly pretreatment equipment and pretreatment method for domestic sewage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116139565A true CN116139565A (en) | 2023-05-23 |
Family
ID=86373569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310203414.3A Withdrawn CN116139565A (en) | 2023-03-06 | 2023-03-06 | Environment-friendly pretreatment equipment and pretreatment method for domestic sewage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116139565A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116272101A (en) * | 2023-05-25 | 2023-06-23 | 博鼎储能科技(山东)有限公司 | Novel power generation and energy storage device based on underground rainwater pipeline network |
| CN116531827A (en) * | 2023-06-01 | 2023-08-04 | 重庆安天下水处理有限公司 | Graphene filter module for water treatment |
-
2023
- 2023-03-06 CN CN202310203414.3A patent/CN116139565A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116272101A (en) * | 2023-05-25 | 2023-06-23 | 博鼎储能科技(山东)有限公司 | Novel power generation and energy storage device based on underground rainwater pipeline network |
| CN116531827A (en) * | 2023-06-01 | 2023-08-04 | 重庆安天下水处理有限公司 | Graphene filter module for water treatment |
| CN116531827B (en) * | 2023-06-01 | 2024-03-26 | 重庆安天下水处理有限公司 | Graphene filter module for water treatment |
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Application publication date: 20230523 |