CN215327315U

CN215327315U - Urban river sewage treatment device

Info

Publication number: CN215327315U
Application number: CN202121698531.4U
Authority: CN
Inventors: 孙海锋; 裘慧娜; 陈钰良
Original assignee: Zhejiang Xiaojian Group Co ltd
Current assignee: Zhejiang Xiaojian Group Co ltd
Priority date: 2021-07-24
Filing date: 2021-07-24
Publication date: 2021-12-28
Anticipated expiration: 2031-07-24

Abstract

The application discloses an urban river sewage treatment device, which comprises a sewage well and a filtering device, wherein the sewage well and the filtering device are vertically arranged, the filtering device is arranged in the sewage well, the filtering device comprises a primary filtering mechanism, the primary filtering mechanism comprises a primary filtering net and a cleaning assembly, and the outer circumferential side wall of the primary filtering net is abutted against the inner side wall of the sewage well; a first collecting cavity and a first object placing cavity are fixedly surrounded on the outer side wall of the sewage well, and are communicated with the sewage well and are respectively arranged along the two radial sides of the primary filter screen; the cleaning assembly is arranged in the first object placing cavity, cleans the primary filter screen and extends to the first collecting cavity; this application has the effect that improves the clean degree of the sewage of draining into the river course.

Description

Urban river sewage treatment device

Technical Field

The invention relates to the field of sewage treatment devices, in particular to an urban river sewage treatment device.

Background

Municipal sewage contains more rubbish, impurity etc. and gets into the river course via roadside sewer pipe, if not handle and arrange into the river course and can cause the pollution to the river course.

The sewage treatment device who exists at present collects sewage in a centralized manner and handles, and the inconvenient collection of sewage that flows into the sewer, consequently needs carry out the preliminary treatment with sewage before sewage gets into the river course after sewage gets into the sewer, reduces the pollution degree of sewage to improve the clean degree of the sewage of discharging into the river course.

SUMMERY OF THE UTILITY MODEL

In order to improve the clean degree of the sewage of discharging into the river course, this application provides an urban river sewage treatment plant.

The application provides a city river sewage treatment plant adopts following technical scheme:

a sewage treatment device for an urban river comprises a sewage well and a filtering device which are vertically arranged, wherein the filtering device is installed in the sewage well, the filtering device comprises a primary filtering mechanism, the primary filtering mechanism comprises a primary filtering net and a cleaning assembly, and the circumferential outer side wall of the primary filtering net is abutted against the inner side wall of the sewage well; a first collecting cavity and a first object placing cavity are fixedly surrounded on the outer side wall of the sewage well, and are communicated with the sewage well and are respectively arranged along two radial sides of the primary filter screen; the cleaning assembly is installed in the first object placing cavity, the cleaning assembly cleans the first-level filter screen, and the cleaning assembly extends to the first collecting cavity.

Through adopting above-mentioned technical scheme, installation one-level filtering mechanism in sewage well, sewage flows into the one-level filter screen from the inspection shaft lid to through the filtration of one-level filter screen, filter the upper surface of staying one-level filter screen with great rubbish. The upper surface of one-level filter screen can be cleared up to the clearance subassembly to carry the rubbish of one-level filter screen upper surface into first collection cavity and collect, thereby tentatively improve the clean degree of the sewage of discharging into the river course.

Optionally, the cleaning assembly includes a retractable scraper that is slidably engaged with the upper surface of the primary filter screen.

Through adopting above-mentioned technical scheme, the scraper is laminated in the upper surface of one-level filter screen and can be pushed into first collection cavity with the most rubbish that one-level filter screen filtered down as far as possible.

Optionally, the inner side wall of the bilge well is provided with a sliding groove, and two ends of the scraping piece are slidably arranged in the sliding groove.

Through adopting above-mentioned technical scheme, the sliding tray is used for making the both ends of scraping the piece slide to make the scraping the piece from the one end that is close to the bilge well lateral wall with the rubbish on the one-level filter screen push into first collection cavity.

Optionally, the filtering device further comprises a secondary filtering mechanism, and the secondary filtering mechanism is arranged below the primary filtering mechanism; the secondary filtering mechanism comprises a secondary filter screen and a water spraying assembly, and the circumferential outer side wall of the secondary filter screen is abutted against the inner side wall of the sewage well; a second collecting cavity and a second object placing cavity are fixedly surrounded on the outer side wall of the sewage well, and are communicated with the sewage well and are respectively arranged along two radial sides of the secondary filter screen; the water spraying assembly is arranged in the second storage cavity.

Through adopting above-mentioned technical scheme, sewage filters through the second grade filter screen after the filtration of one-level filter screen, further stays the upper surface of second grade filter screen with less rubbish and silt, and the water spray subassembly brings the less rubbish and the silt that leave the upper surface filtration of second grade filter screen into in the second collection cavity to further improve the clean degree of the sewage of discharging the river course.

Optionally, the water spray subassembly includes high pressure nozzle, high pressure nozzle sets up towards the second grade filter screen, high pressure nozzle's one end is connected with the inlet tube, the inlet tube be used for with subaerial water piping connection.

Through adopting above-mentioned technical scheme, high pressure nozzle can pass through the upper surface that high-pressure jet cleared up the second grade filter screen with the running water in the inlet pipe, and the water under high pressure can strengthen the washing dynamics, can wash tiny rubbish and silt on the second grade filter screen into the second as far as possible and collect the cavity.

Optionally, the one-level filter screen and the second-level filter screen are obliquely arranged in the sewage well.

Through adopting above-mentioned technical scheme, one-level filter screen and second grade filter screen slope setting can make rubbish pile up more easily in the position of being close to first collection cavity and second collection cavity in the sewage well.

Optionally, one-level filter screen and second grade filter screen fixed connection, one-level filter screen and second grade filter screen all can be dismantled with the bilge well.

Through adopting above-mentioned technical scheme, one-level filter screen and second grade filter screen fixed connection and all can dismantle with the bilge well, when needs overhaul or need look over the filter screen condition, the staff can open the inspection shaft lid subaerial, mention the one-level filter screen to drive the second grade filter screen and leave the bilge well, move one-level filter screen and second grade filter screen to ground and look over the maintenance.

Optionally, a first-stage filtering hole is formed in the first-stage filter screen, a second-stage filtering hole is formed in the second-stage filter screen, and the aperture of the first-stage filtering hole is larger than that of the second-stage filtering hole.

Through adopting above-mentioned technical scheme, the aperture of one-level filtration pore is greater than the aperture of second grade filtration pore, and the one-level filter screen filters great rubbish in the sewage earlier, and rethread second grade filter screen filters less rubbish in the sewage and silt etc. layer upon layer to go forward one by one to filter most rubbish, carry out simple preliminary treatment to sewage.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after sewage enters the sewage well through the inspection well cover, most of large-particle garbage, sludge and the like are filtered and left on the first-stage filter screen and the second-stage filter screen through the filtering of the first-stage filter screen and the second-stage filter screen, and the clean degree of the sewage is improved.

2. The sewage well is provided with a cleaning component and a first collecting cavity which are communicated with the primary filter screen, and the cleaning component pushes larger garbage filtered by the primary filter screen into the first collecting cavity for collection; and sewage is aboveground still to be provided with the water spray subassembly and the second of intercommunication second grade filter screen and collect the cavity, and the water spray subassembly spouts the second with the filterable less rubbish of second grade filter screen and silt and collects the cavity, reduces the possibility that one-level filter screen and second grade filter screen are blockked up, improves the availability factor of one-level filter screen and second grade filter screen.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a cross-sectional view of the overall structure of an embodiment of the present application;

FIG. 3 is a cross-sectional view of another angle of the overall structure of an embodiment of the present application.

Description of reference numerals: 1. a bilge well; 11. a sliding groove; 12. an inspection well cover; 121. a water inlet hole; 2. a filtration device; 21. a primary filtering mechanism; 211. a first-stage filter screen; 2111. primary filter holes; 212. cleaning the assembly; 2121. scraping the workpiece; 21211. a push rod; 21212. a squeegee; 2122. a cylinder; 213. a first collection chamber; 214. a first storage cavity; 22. a secondary filtering mechanism; 221. a second-stage filter screen; 2211. secondary filtering holes; 222. a water spray assembly; 2221. a high pressure nozzle; 2222. a water inlet pipe; 2223. a power member; 223. a second collection chamber; 224. fixing the rod; 225. a first support member; 226. a second storage cavity; 23. a third stage filtering mechanism; 231. a second support member.

Detailed Description

The present application is described in further detail below with reference to fig. 1-3.

The embodiment of the application discloses urban river sewage treatment plant, refer to fig. 1, fig. 2, its bilge well 1 that includes vertical setting is provided with filter equipment 2 in the bilge well 1, and inspection shaft lid 12 is installed to the top of bilge well 1, and inspection shaft lid 12 covers the well head of bilge well 1, has seted up inlet opening 121 on the inspection shaft lid 12, and sewage flows into bilge well 1 from inlet opening 121.

Referring to fig. 2, the filtering apparatus 2 includes a primary filtering mechanism 21, a secondary filtering mechanism 22, and a tertiary filtering mechanism 23, which are installed in order in the extension direction of the sewage shaft 1.

Referring to fig. 2, the outer side wall of the bilge well 1 is surrounded and fixed with a first collecting cavity 213 and a first object containing cavity 214, the first-stage filtering mechanism 21 includes a first-stage filter screen 211 and a cleaning assembly 212, the cleaning assembly 212 is installed in the first object containing cavity 214, the cleaning assembly 212 and the first collecting cavity 213 are respectively located at two radial sides of the first-stage filter screen 211, and an opening of the first collecting cavity 213 faces the first-stage filter screen 211.

The primary strainer 211 is obliquely installed in the bilge well 1, and the circumferential outer side wall of the primary strainer 211 abuts against the inner side wall of the bilge well 1. The primary filter screen 211 is provided with primary filter holes 2111, and sewage flows in and then is filtered through the primary filter holes 2111, so that larger garbage is left on the upper surface of the primary filter screen 211.

The cleaning assembly 212 includes an air cylinder 2122 and a scraper 2121, the air cylinder 2122 is fixedly mounted to the sewage well 1, one end of the air cylinder 2122 is connected to the scraper 2121 and is configured to drive the scraper 2121 to reciprocate, and the scraper 2121 is attached to the upper surface of the primary filter screen 211, so that the scraper 2121 is driven by the air cylinder 2122 to push the garbage filtered by the upper surface of the primary filter screen 211 into the first collecting cavity 213.

The scraper 2121 comprises a pushing rod 21211 radially arranged along the primary filter screen 211 and a scraper 21212 perpendicular to the pushing rod 21211, one end of the pushing rod 21211 is fixedly connected with the cylinder 2122, the other end of the pushing rod 21211 is fixedly connected with the scraper 21212, the length of the scraper 21212 is greater than the diameter of the primary filter screen 211, and the length of the pushing rod 21211 is greater than the diameter of the primary filter screen 211, so that most of the garbage on the primary filter screen 211 can be conveniently pushed into the first collecting cavity 213 for collection.

Referring to fig. 2 and 3, a sliding groove 11 is formed in an inner side wall of the sewage well 1 in a moving direction of the scraper 2121, the air cylinder 2122 drives the scraper 2121 to slide along a radial direction of the primary filter screen 211, and two ends of the scraper 21212 are slidably disposed in the sliding groove 11.

Referring to fig. 2, the outer sidewall of the bilge well 1 is surrounded and fixed with a second collecting cavity 223 and a second storage cavity 226, the second filtering mechanism 22 includes a second-stage filter screen 221 and a water spraying assembly 222, the water spraying assembly 222 is installed in the second storage cavity 226, the water spraying assembly 222 and the second collecting cavity 223 are respectively located at two radial sides of the second-stage filter screen 221, and an opening of the second collecting cavity 223 faces the second-stage filter screen 221.

The circumference lateral wall of second grade filter screen 221 supports the inside wall of bilge well 1, second grade filter hole 2211 has been seted up on the second grade filter screen 221, second grade filter hole 2211 is less than one-level filter hole 2111, sewage flows through second grade filter screen 221 after filtering through one-level filter screen 211, second grade filter screen 221 further stays more tiny rubbish and silt etc. on the surface of second grade filter screen 221 to make water spray assembly 222 spout rubbish such as silt into in second collection cavity 223 through self great pressure of spouting water.

The water spraying assembly 222 includes a power member 2223, a water inlet pipe 2222 and a high pressure nozzle 2221, the water inlet pipe 2222 is used to connect with a tap water pipe on the ground to provide a water source, the power member 2223 is used to control water spraying, the tap water enters the water inlet pipe 2222 through the tap water pipe, and the power member 2223 controls the tap water to spray into the secondary filter screen 221, so that the garbage is collected into the second collection chamber 223.

A fixing rod 224 is connected between the first-stage filter screen 211 and the second-stage filter screen 221, and the fixing rod 224 fixes the positions of the first-stage filter screen 211 and the second-stage filter screen 221. An annular first support piece 225 is arranged on the inner side wall of the bilge well 1 along the circumferential direction, the circumference of the lower surface of the second-stage filter screen 221 is attached to the upper surface of the first support piece 225, and the first support piece 225 prevents the second-stage filter screen 221 from falling towards the extending direction of the bilge well 1, so that the positions of the second-stage filter screen 221 and the first-stage filter screen 211 are fixed. If the inspection well cover 12 needs to be overhauled, the worker can open the inspection well cover on the ground, retract the scraper 2121 into the first storage cavity 214, and lift the first-stage filter screen 211 upwards, so that the fixing rod 224 drives the second-stage filter screen 221 to move towards the ground, and the first-stage filter screen 211 and the second-stage filter screen 221 are taken out for overhauling.

The below of second grade filter screen 221 is provided with tertiary filter mechanism 23, is provided with the active carbon in the tertiary filter mechanism 23, and the pollutant in the sewage that the active carbon adsorbable flowed down from second grade filter screen 221 carries out further processing to sewage, makes sewage cleaner to tertiary filter mechanism 23 can be changed. Be provided with annular second support piece 231 along circumference on the inside wall of bilge well 1, tertiary filter mechanism 23 installs on second support piece 231, and second support piece 231 blocks that second grade filter screen 221 removes to bilge well 1 extending direction, and when needs change tertiary filter mechanism 23, the staff can take out one-level filter screen 211 and second grade filter screen 221 back, takes out tertiary filter mechanism 23 again and changes.

After the garbage in the first collecting cavity 213 and the second collecting cavity 223 is collected, the worker can open the manhole cover 12 to retract the scraper 2121 into the first storage cavity 214, lift the first-stage filter screen 211 upwards, drive the second-stage filter screen 221 to move out of the sewage well 1, and then enter the sewage well 1 to remove and take away the garbage.

The implementation principle of the urban river sewage treatment device in the embodiment of the application is as follows: sewage enters the sewage well 1 through the inspection well cover 12 on the ground, the sewage passes through the primary filter screen 211, the primary filter screen 211 filters larger impurities, and the larger impurities are left on the upper surface of the primary filter screen 211. The cylinder 2122 drives the scraper 2121 to reciprocate at regular intervals, so as to push the garbage left on the upper surface of the primary filter screen 211 into the first collection chamber 213. The sewage flows into the second-stage filter 221 after being filtered by the first-stage filter 211, the second-stage filter 221 retains small garbage, sludge and the like on the upper surface of the second-stage filter 221, and the power part 2223 controls the high-pressure nozzle 2221 in a timing manner to spray the water in the water inlet pipe 2222 to the second-stage filter 221, so that the small garbage and sludge on the second-stage filter 221 are sprayed into the second collection chamber 223. Sewage is filtered back via second grade filter screen 221, adsorbs via tertiary filter mechanism 23 again, and the pollutant that will be difficult for filtering adsorbs, and preliminary completion is to sewage preliminary treatment this moment, makes the pollution degree of sewage further reduce.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an urban river sewage treatment plant, includes bilge well (1) and filter equipment (2) of vertical setting, filter equipment (2) are installed in bilge well (1), its characterized in that: the filtering device (2) comprises a primary filtering mechanism (21), the primary filtering mechanism (21) comprises a primary filter screen (211) and a cleaning component (212), and the circumferential outer side wall of the primary filter screen (211) is abutted to the inner side wall of the sewage well (1); a first collecting cavity (213) and a first object containing cavity (214) are fixed on the outer side wall of the sewage well (1) in a surrounding mode, and the first collecting cavity (213) and the first object containing cavity (214) are communicated with the sewage well (1) and are respectively arranged along the two radial sides of the primary filter screen (211); the cleaning assembly (212) is installed in the first object containing cavity (214), the cleaning assembly (212) cleans the first-level filter screen (211), and the cleaning assembly (212) extends to the first collecting cavity (213).

2. The municipal river sewage treatment plant according to claim 1, wherein: the cleaning assembly (212) comprises a telescopic scraper (2121), and the scraper (2121) is in sliding fit with the upper surface of the primary filter screen (211).

3. The municipal river sewage treatment plant according to claim 2, wherein: the inner side wall of the sewage well (1) is provided with a sliding groove (11), and two ends of the scraper (2121) are arranged in the sliding groove (11) in a sliding mode.

4. The municipal river sewage treatment plant according to claim 1, wherein: the filtering device (2) further comprises a secondary filtering mechanism (22), and the secondary filtering mechanism (22) is arranged below the primary filtering mechanism (21); the secondary filtering mechanism (22) comprises a secondary filter screen (221) and a water spraying assembly (222), wherein the circumferential outer side wall of the secondary filter screen (221) is abutted against the inner side wall of the sewage well (1); a second collecting cavity (223) and a second storage cavity (226) are fixedly surrounded on the outer side wall of the sewage well (1), and the second collecting cavity (223) and the second storage cavity (226) are communicated with the sewage well (1) and are respectively arranged along two radial sides of the secondary filter screen (221); the water spray assembly (222) is mounted in the second storage cavity (226).

5. The municipal river sewage treatment plant according to claim 4, wherein: the water spray assembly (222) comprises a high-pressure nozzle (2221), the high-pressure nozzle (2221) is arranged towards the secondary filter screen (221), one end of the high-pressure nozzle (2221) is connected with a water inlet pipe (2222), and the water inlet pipe (2222) is used for being connected with a tap water pipe on the ground.

6. The municipal river sewage treatment plant according to claim 4, wherein: the primary filter screen (211) and the secondary filter screen (221) are obliquely arranged in the sewage well (1).

7. The municipal river sewage treatment plant according to claim 4, wherein: one-level filter screen (211) and second grade filter screen (221) fixed connection, one-level filter screen (211) and second grade filter screen (221) all can be dismantled with bilge well (1).

8. The municipal river sewage treatment plant according to claim 4, wherein: the primary filter screen (211) is provided with primary filter holes (2111), the secondary filter screen (221) is provided with secondary filter holes (2211), and the aperture of the primary filter holes (2111) is larger than that of the secondary filter holes (2211).