CN216337006U

CN216337006U - New city construction drainage waste fitting discharging

Info

Publication number: CN216337006U
Application number: CN202122725836.6U
Authority: CN
Inventors: 胡起程
Original assignee: Zhongtai Huaan Construction Group Co ltd
Current assignee: Zhongtai Huaan Construction Group Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-04-19
Anticipated expiration: 2031-11-09

Abstract

The utility model relates to the technical field of municipal administration, in particular to a drainage and pollution discharge device for the construction of a new city, which can automatically collect and treat solid impurities in sewage, prevent the solid impurities from blocking a filter plate, improve the convenience, fully filter out sludge in the sewage, prevent the sludge from blocking an external drainage pipeline and improve the reliability and the practicability in the use process; including bottom plate, cartridge filter, extension board, mud pipe, dredge pump, pivot, roller bearing, multiunit stirring vane, outlet pipe, filter, inlet tube, inlet pipe, mud scraping device and collection device, the cartridge filter passes through extension board fixed mounting in the bottom plate upper end, the inside filter chamber that is provided with of cartridge filter, and the lower part of cartridge filter is the hemisphere, scrapes the mud device and installs the lower part at the cartridge filter, and the input and the filter chamber lower part intercommunication of mud pipe, the output of mud pipe and the input of dredge pump are connected.

Description

New city construction drainage waste fitting discharging

Technical Field

The utility model relates to the technical field of municipal administration, in particular to a drainage and pollution discharge device for new city construction.

Background

Drainage engineering is an important part in the process of urban municipal construction. Drainage device in most city at present only is provided with the filter screen, so it only has the function of solid-state impurity in the simple filtration sewage, and can't get rid of the silt in the sewage, lead to during silt gets into the underground piping of drainage easily and block up the pipeline, and its solid-state impurity of filtering out adheres to on the filter screen easily and blocks up the filter screen in addition, lead to the drainage ability variation, and inconvenient collection filters the solid-state impurity of coming out, lead to it to use inconvenient, it is poor to synthesize and lead to its practicality.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the drainage and pollution discharge device for the new city construction, which can automatically collect and treat solid impurities in sewage, prevent the solid impurities from blocking the filter plate, improve the convenience, fully filter out sludge in the sewage, prevent the sludge from blocking an external drainage pipeline, and improve the reliability and the practicability in the use process.

The utility model relates to a drainage and pollution discharge device for new city construction, which comprises a bottom plate, a filter cylinder, a support plate, a sludge discharge pipe, a sludge pump, a rotating shaft, a rolling shaft, a plurality of groups of stirring blades, a water outlet pipe, a filter plate, a water inlet pipe, a feed pipe, a sludge scraping device and a collecting device, wherein the filter cylinder is fixedly arranged at the upper end of the bottom plate through the support plate, a filter cavity is arranged inside the filter cylinder, the lower part of the filter cylinder is hemispherical, the sludge scraping device is arranged at the lower part of the filter cylinder, the input end of the sludge discharge pipe is communicated with the lower part of the filter cavity of the filter cylinder, the output end of the sludge discharge pipe is connected with the input end of the sludge pump, the sludge pump is fixedly arranged on the bottom plate, the rotating shaft is rotatably arranged on the filter cylinder, the rolling shaft is fixedly arranged on the rotating shaft, the rolling shaft is positioned in the filter cavity of the filter cylinder, the plurality of groups of stirring blades are fixedly arranged on the rolling shaft, a driving motor is arranged on the filter cylinder, the output end of the driving motor is connected with the front end of the rotating shaft, the filter comprises a filter cavity, a filter plate, a filter cylinder, a collecting device, a water inlet pipe, a water outlet pipe, a filter chamber, a filter, a sludge discharge pipe and a sludge discharge valve, wherein the input end of the water outlet pipe is communicated with the lower part of the filter cavity, the water outlet pipe is obliquely arranged, the valve is arranged on the water outlet pipe, the filter plate is obliquely arranged on the upper part of the filter cavity, the left part of the filter cylinder is provided with a sewage discharge outlet which is positioned on the left side of the filter plate, the collecting device is fixedly arranged on the left side of the sewage discharge outlet on the left part of the filter cylinder, the water inlet pipe is arranged on the upper part of the filter cylinder, the feed pipe is arranged in the middle part of the filter cylinder, and the sludge discharge pipe is provided with the sludge discharge valve; firstly, sewage is led into a filter chamber of a filter cartridge through a water inlet pipe, the sewage firstly passes through a filter plate in the process of descending downwards in the filter chamber, solid impurities in the sewage can be left at the upper end of the filter plate, water continuously falls to the lower part of the filter chamber through the filter plate, the solid impurities left at the upper end of the filter plate can slide on the filter plate from right to left under the action of gravity, then solid acrobatics fall into a collecting device through a sewage outlet at the left part of the filter cartridge, then the water falls to the lower part of the filter chamber of the filter cartridge, then a precipitator is added into the filter chamber of the filter cartridge through a feed pipe, then a driving motor is turned on, the driving motor drives a rolling shaft to rotate through a rotating shaft, a plurality of groups of stirring blades are driven to rotate by the rolling shaft, the rotating stirring blades enable the precipitator to be fully combined with the water in the filter chamber, so that silt in the water is precipitated to the lower end of the filter cartridge filter chamber, and then a valve on a water outlet pipe is opened, make clean water discharge to outside drainage pipe via the outlet pipe in, then open and scrape the mud device, make the adhesion at the silt of cartridge filter lower extreme scraped, then open the blowoff valve on the mud pipe, then open the mud pump, make silt through the mud pipe with the mud pump by the discharge collect can, it can make the automatic collection device that gets into of solid-state impurity in the sewage, made things convenient for the collection to solid-state impurity, solid-state impurity has been avoided causing the filter to block up, the convenience is improved, and can make the abundant combination of precipitant and water through multiunit stirring vane's rotation, make the silt of aquatic by abundant precipitation, the outside drainage pipe of silt jam has been avoided, reliability and practicality in the use have been improved.

Preferably, the mud scraping device comprises a rotating shaft, a first cone pulley, a second cone pulley, a driving shaft, a motor and scraping plates, wherein the rotating shaft is rotatably installed on the bottom plate and the filter cylinder; the motor is started, the motor drives the driving shaft to rotate, the driving shaft drives the first cone pulley to rotate through the second cone pulley, the first cone pulley drives the rotating shaft to rotate, the rotating shaft drives the plurality of groups of scraping plates to rotate, the sludge attached to the lower part of the filter cavity of the filter cartridge is scraped sufficiently by the plurality of groups of scraping plates in the rotating process, the sludge is discharged conveniently from the lower part of the cavity of the filter cartridge, and the convenience in the use process is improved.

Preferably, the collecting device comprises a collecting box, a draining plate, a sealing cover and a return pipe, the collecting box is fixedly arranged at the left end of the filter cartridge, a collecting cavity is arranged inside the collecting box, the collecting cavity of the collecting box is communicated with the filter cavity of the filter cartridge through a drain outlet at the left side of the filter cartridge, the draining plate is fixedly arranged at the lower part of the collecting cavity of the collecting box, a plurality of groups of drain holes are formed in the draining plate, the left part of the collecting box is provided with a collecting port, the sealing cover is arranged at the outer side of the collecting port, the upper end of the return pipe is communicated with the lower part of the collecting cavity of the collecting box, the output end of the return pipe is communicated with the filter cavity of the filter cartridge, and a valve is arranged on the return pipe; solid-state impurity on the filter can be in the collection chamber of collection box via the filter landing because of the action of gravity, and later solid-state impurity falls to the drop board upper end, and remaining moisture passes through the drop board on the solid-state impurity and falls to the collection box and collect the chamber lower part, then opens the valve on the back flow, make the collecting box collect the water in the chamber through the back flow get into the filter chamber of cartridge filter can, made things convenient for the collection and the processing to solid-state impurity, improved the convenience in the use.

Preferably, the filter plate further comprises a fixed plate, a screw rod, a driving motor and a push plate, wherein the fixed plate is fixedly arranged on the filter plate, the screw rod is rotatably arranged on the fixed plate and the filter cylinder, the right end of the screw rod is connected with the output end of the driving motor, the driving motor is fixedly arranged on the filter cylinder, the push plate and the screw rod are in threaded installation, and the push plate is slidably arranged on the filter plate; open the initiative motor, the initiative motor drives the lead screw rotatory, and rotatory fixed plate makes the push pedal slide from top to bottom, and the push pedal has promoted solid-state impurity on the filter in gliding in-process and has slided from right to left, has improved the convenience in the use.

Preferably, the filter cartridge further comprises an exhaust pipe and an exhaust valve, wherein the exhaust pipe is fixedly arranged at the upper part of the filter cartridge, and the exhaust valve is arranged on the exhaust pipe; through the arrangement, the discharge of gas in the filter cavity of the filter cartridge is facilitated, the pressure inside and outside the filter cartridge is equal, sewage can enter the filter cavity of the filter cartridge through the water inlet pipe conveniently, and the convenience in the use process is improved.

Preferably, the filter cartridge further comprises a cover plate, the filter cartridge is provided with an access hole, and the cover plate is arranged on the outer side of the access hole; through the arrangement, the filter cartridge filter cavity inner equipment is convenient to overhaul and maintain, and the convenience in the use process is improved.

Preferably, the screw rod further comprises a limiting block, and the limiting block is fixedly arranged on the screw rod; through the arrangement, the push plate is prevented from moving in an overtravel way, and the reliability in the using process is improved.

Compared with the prior art, the utility model has the beneficial effects that: firstly, sewage is led into a filter chamber of a filter cartridge through a water inlet pipe, the sewage firstly passes through a filter plate in the process of descending downwards in the filter chamber, solid impurities in the sewage can be left at the upper end of the filter plate, water continuously falls to the lower part of the filter chamber of the filter cartridge through the filter plate, the solid impurities left at the upper end of the filter plate can slide on the filter plate from right to left under the action of gravity, then solid acrobatics fall into a collecting device through a sewage discharge outlet at the left part of the filter cartridge, then the water falls to the lower part of the filter chamber, then a precipitator is added into the filter chamber of the filter cartridge through a feed pipe, then a driving motor is turned on, the driving motor drives a rolling shaft to rotate through a rotating shaft, a plurality of groups of stirring blades are driven to rotate by the rolling shaft, the rotating stirring blades enable the precipitator to be fully combined with the water in the filter chamber, so that silt in the water is precipitated to the lower end of the filter chamber of the filter cartridge, and then a valve on a water outlet pipe is opened, make clean water discharge to outside drainage pipe via the outlet pipe in, then open and scrape the mud device, make the adhesion at the silt of cartridge filter lower extreme scraped, then open the blowoff valve on the mud pipe, then open the mud pump, make silt through the mud pipe with the mud pump by the discharge collect can, it can make the automatic collection device that gets into of solid-state impurity in the sewage, made things convenient for the collection to solid-state impurity, solid-state impurity has been avoided causing the filter to block up, the convenience is improved, and can make the abundant combination of precipitant and water through multiunit stirring vane's rotation, make the silt of aquatic by abundant precipitation, the outside drainage pipe of silt jam has been avoided, reliability and practicality in the use have been improved.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the structure of the collecting tank, draining board and return pipe, etc.;

FIG. 3 is a schematic structural view of a rotary shaft, a squeegee, a first cone pulley, and the like;

FIG. 4 is a schematic structural diagram of a limiting block, a filter plate, an active motor and the like;

in the drawings, the reference numbers: 1. a base plate; 2. a filter cartridge; 3. a support plate; 4. a sludge discharge pipe; 5. a mud pump; 6. a rotating shaft; 7. a roller; 8. a stirring blade; 9. a water outlet pipe; 10. a filter plate; 11. a water inlet pipe; 12. a feed pipe; 13. a rotating shaft; 14. a first cone pulley; 15. a second cone; 16. a drive shaft; 17. a motor; 18. a squeegee; 19. a collection box; 20. a draining board; 21. a sealing cover; 22. a return pipe; 23. a fixing plate; 24. a screw rod; 25. an active motor; 26. pushing the plate; 27. an exhaust pipe; 28. an exhaust valve; 29. a cover plate; 30. and a limiting block.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The filter cartridge 2 is fixedly arranged at the upper end of the bottom plate 1 through the support plate 3, a filter cavity is arranged inside the filter cartridge 2, the lower part of the filter cartridge 2 is hemispherical, the rotating shaft 13 is rotatably arranged on the bottom plate 1 and the filter cartridge 2, the first cone pulley 14 is fixedly arranged at the lower part of the rotating shaft 13, the first cone pulley 14 is meshed with the second cone pulley 15, the second cone pulley 15 is fixedly arranged at the left end of the driving shaft 16, the right end of the driving shaft 16 is connected with the output end of the motor 17, the motor 17 is fixedly arranged at the upper end of the bottom plate 1, a plurality of groups of scraper blades 18 are fixedly arranged at the upper end of the rotating shaft 13, the side walls of the plurality of groups of scraper blades 18 are close to the side wall at the lower part of the filter cavity of the filter cartridge 2, the plurality of groups of scraper blades 18 are gradually reduced from top to bottom, the input end of the mud pipe 4 is communicated with the lower part of the filter cavity of the filter cartridge 2, the output end of the mud pipe 4 is connected with the input end of the mud pump 5, the mud pump 5 is fixedly arranged on the bottom plate 1, the rotating shaft 6 is rotatably arranged on the filter cartridge 2, the roller 7 is fixedly arranged on the rotating shaft 6, the roller 7 is positioned in the filter cavity of the filter cartridge 2, a plurality of groups of stirring blades 8 are all fixedly arranged on the roller 7, the filter cartridge 2 is provided with a driving motor, the output end of the driving motor is connected with the front end of the rotating shaft 6, the input end of a water outlet pipe 9 is communicated with the lower part of the filter cavity of the filter cartridge 2, the water outlet pipe 9 is obliquely arranged, a valve is arranged on the water outlet pipe 9, the filter plate 10 is obliquely arranged on the upper part of the filter cavity of the filter cartridge 2, the left part of the filter cartridge 2 is provided with a sewage discharge outlet which is positioned on the left side of the filter plate 10, the collecting box 19 is fixedly arranged at the left end of the filter cartridge 2, the collecting box 19 is internally provided with a collecting cavity, the collecting cavity of the collecting box 19 is communicated with the filter cavity of the filter cartridge 2 through the sewage discharge outlet on the left side of the filter cartridge 2, the draining plate 20 is fixedly arranged at the lower part of the collecting cavity of the collecting box 19, and the draining plate 20 is provided with a plurality of groups of drain holes, the left part of the collecting box 19 is provided with a collecting port, a sealing cover 21 is arranged on the outer side of the collecting port, the upper end of a return pipe 22 is communicated with the lower part of a collecting cavity of the collecting box 19, the output end of the return pipe 22 is communicated with a filtering cavity of the filtering cylinder 2, a valve is arranged on the return pipe 22, a water inlet pipe 11 is arranged on the upper part of the filtering cylinder 2, a feed pipe 12 is arranged in the middle part of the filtering cylinder 2, a drain valve is arranged on a mud pipe 4, a fixing plate 23 is fixedly arranged on a filtering plate 10, a screw rod 24 is rotatably arranged on the fixing plate 23 and the filtering cylinder 2, the right end of the screw rod 24 is connected with the output end of an active motor 25, the active motor 25 is fixedly arranged on the filtering cylinder 2, a push plate 26 is in threaded connection with the screw rod 24, the push plate 26 is slidably arranged on the filtering plate 10, an exhaust pipe 27 is fixedly arranged on the upper part of the filtering cylinder 2, an exhaust valve 28 is arranged on the exhaust pipe 27, an overhaul port is arranged on the filtering cylinder 2, and a cover plate 29 is arranged on the outer side of the overhaul port, the limiting block 30 is fixedly arranged on the screw rod 24; firstly, sewage is introduced into a filter chamber of a filter cartridge 2 through a water inlet pipe 11, the sewage firstly passes through a filter plate 10 in the process of descending downwards in the filter chamber, solid impurities in the sewage can be left at the upper end of the filter plate 10, water continuously falls to the lower part of the filter chamber through the filter plate 10, the solid impurities left at the upper end of the filter plate 10 can slide on the filter plate 10 from right to left under the action of gravity, the solid impurities on the filter plate 10 can slide into a collection chamber of a collection box 19 through the filter plate 10 under the action of gravity, then the solid impurities fall to the upper end of a draining plate 20, residual water on the solid impurities falls to the lower part of the collection chamber 19 of the collection box 19 through the draining plate 20, then a valve on a return pipe 22 is opened, the water in the collection chamber of the collection box 19 enters the filter chamber of the filter cartridge 2 through the return pipe 22, and then a precipitator is added into the filter chamber of the filter cartridge 2 through the feed pipe 12, then a driving motor is turned on, the driving motor drives a roller 7 to rotate through a rotating shaft 6, the roller 7 drives a plurality of groups of stirring blades 8 to rotate, the plurality of groups of rotating stirring blades 8 enable the precipitating agent to be fully combined with the water in the filtering cavity to enable the sludge in the water to be precipitated to the lower end of the filtering cavity, then a valve on a water outlet pipe 9 is opened to enable clean water to be discharged into an external drainage pipeline through the water outlet pipe 9, then a motor 17 is turned on, the motor 17 drives a driving shaft 16 to rotate, the driving shaft 16 drives a first cone pulley 14 to rotate through a second cone pulley 15, the first cone pulley 14 drives a rotating shaft 13 to rotate, the rotating shaft 13 drives a plurality of groups of scraping plates 18 to rotate, the plurality of groups of scraping plates 18 enable the sludge attached to the lower part of the filtering cavity to be fully scraped off in the rotating process, then a blow-off valve on a sludge discharge pipe 4 is opened, then a sludge pump 5 is turned on to enable the sludge to be discharged and collected through the sludge discharge pipe 4 and the sludge pump 5, not only can collect and handle the solid-state impurity in the sewage automatically, prevent that solid-state impurity from blockking up filter 10, improve the convenience, can come out with abundant the crossing of the silt in the sewage moreover, avoid silt to block up outside water drainage pipeline, improve reliability and practicality in the use.

As shown in fig. 1 to 4, in the drainage and pollution discharge device for the new city building of the present invention, when in operation, firstly, sewage is introduced into the filter chamber of the filter cartridge 2 through the water inlet pipe 11, the sewage first passes through the filter plate 10 during the downward falling process in the filter chamber, solid impurities in the sewage are retained at the upper end of the filter plate 10, the water continues to fall to the lower portion of the filter chamber through the filter plate 10, the solid impurities retained at the upper end of the filter plate 10 slide from right to left on the filter plate 10 due to the gravity, the solid impurities on the filter plate 10 slide to the collection chamber of the collection tank 19 through the filter plate 10 due to the gravity, then the solid impurities fall to the upper end of the drain plate 20, the residual moisture on the solid impurities falls to the lower portion of the collection chamber of the collection tank 19 through the drain plate 20, then the valve on the return pipe 22 is opened, so that the water in the collection chamber of the collection tank 19 enters the filter chamber of the filter cartridge 2 through the return pipe 22, then adding a precipitator into a filter cavity of a filter cartridge 2 through a feed pipe 12, then opening a driving motor, driving the roller 7 to rotate by the driving motor through a rotating shaft 6, driving a plurality of groups of stirring blades 8 to rotate by the roller 7, enabling the precipitator to be fully combined with water in the filter cavity by the plurality of groups of rotating stirring blades 8, enabling sludge in the water to be precipitated to the lower end of the filter cavity, then opening a valve on a water outlet pipe 9, enabling clean water to be discharged into an external drainage pipeline through the water outlet pipe 9, then opening a motor 17, driving a driving shaft 16 to rotate by the motor 17, driving a first cone pulley 14 to rotate by the driving shaft 16 through a second cone pulley 15, driving a rotating shaft 13 to rotate by the first cone pulley 14, driving a plurality of groups of scraping plates 18 to rotate, enabling sludge attached to the lower part of the filter cavity of the filter cartridge 2 to be fully scraped during the rotation of the plurality of scraping plates 18, and then opening a blow-down valve on a sludge discharge pipe 4, then open the dredge pump 5, make silt through the mud pipe 4 with dredge pump 5 discharged collect can, prevented the push pedal 26 through stopper 30 from moving by the overstroke simultaneously, made things convenient for the maintenance and the maintenance to cartridge filter 2 filter chamber equipment through apron 29.

According to the drainage and pollution discharge device for the new city construction, the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the drainage and pollution discharge device can be implemented as long as the beneficial effects are achieved; the mud pump 5, the stirring blades 8, the filter plate 10, the first cone pulley 14, the draining plate 20 and the exhaust valve 28 of the drainage and pollution discharge device for the new city construction are purchased from the market, and the installation and the operation of the device are carried out by the technical personnel in the industry according to the attached operating instructions without the creative labor of the technical personnel in the field.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A drainage and pollution discharge device for new city construction is characterized by comprising a base plate (1), a filter cylinder (2), a support plate (3), a sludge discharge pipe (4), a sludge pump (5), a rotating shaft (6), a rolling shaft (7), a plurality of groups of stirring blades (8), a water outlet pipe (9), a filter plate (10), a water inlet pipe (11), a feed pipe (12), a sludge scraping device and a collecting device, wherein the filter cylinder (2) is fixedly arranged at the upper end of the base plate (1) through the support plate (3), a filter chamber is arranged inside the filter cylinder (2), the lower part of the filter cylinder (2) is hemispherical, the sludge scraping device is arranged at the lower part of the filter cylinder (2), the input end of the sludge discharge pipe (4) is communicated with the lower part of the filter chamber, the output end of the sludge discharge pipe (4) is connected with the input end of the sludge pump (5), the sludge pump (5) is fixedly arranged on the base plate (1), the rotating shaft (6) is rotatably arranged on the filter cylinder (2), the roller (7) is fixedly arranged on the rotating shaft (6), the roller (7) is positioned in the filter cavity of the filter cartridge (2), the equal fixed mounting in multiunit stirring vane (8) is on roller bearing (7), be provided with driving motor on cartridge filter (2), driving motor's output is connected with the front end of pivot (6), the input of outlet pipe (9) and the lower part intercommunication of filter chamber, outlet pipe (9) are the slope installation, be provided with the valve on outlet pipe (9), filter (10) slope is installed on filter chamber upper portion, the left part of cartridge filter (2) is provided with the drain, the drain is located filter (10) left side, collection device fixed mounting is in the left side of cartridge filter (2) left part drain, the upper portion at cartridge filter (2) is installed in inlet tube (11), the middle part at cartridge filter (2) is installed in inlet tube (12), be provided with the blowoff valve on mud pipe (4).

2. A drainage and pollution discharge device for new city construction according to claim 1, wherein the scraping device comprises a rotating shaft (13), a first cone pulley (14), a second cone pulley (15), a driving shaft (16), a motor (17) and a plurality of groups of scraping plates (18), the rotating shaft (13) is rotatably installed on the bottom plate (1) and the filter cartridge (2), the first cone pulley (14) is fixedly installed at the lower part of the rotating shaft (13), the first cone pulley (14) is engaged with the second cone pulley (15), the second cone pulley (15) is fixedly installed at the left end of the driving shaft (16), the right end of the driving shaft (16) is connected with the output end of the motor (17), the motor (17) is fixedly installed at the upper end of the bottom plate (1), the plurality of groups of scraping plates (18) are fixedly installed at the upper end of the rotating shaft (13), the side walls of the plurality of groups of scraping plates (18) are close to the side wall of the lower part of the filter cartridge (2), the multiple groups of scrapers (18) are gradually reduced from top to bottom.

3. A new city construction drainage and sewage discharge device as claimed in claim 1, wherein the collection device comprises a collection box (19), a draining plate (20), a sealing cover (21) and a return pipe (22), the collection box (19) is fixedly installed at the left end of the filter cartridge (2), a collection chamber is arranged inside the collection box (19), the collection chamber of the collection box (19) is communicated with the filtering chamber of the filter cartridge (2) through a sewage discharge outlet at the left side of the filter cartridge (2), the draining plate (20) is fixedly installed at the lower part of the collection chamber of the collection box (19), a plurality of groups of drain holes are arranged on the draining plate (20), a collection port is arranged at the left part of the collection box (19), the sealing cover (21) is installed at the outer side of the collection port, the upper end of the return pipe (22) is communicated with the lower part of the collection chamber of the collection box (19), the output end of the return pipe (22) is communicated with the filtering chamber of the filter cartridge (2), the return pipe (22) is provided with a valve.

4. A new city construction drainage and pollution discharge device according to claim 1, further comprising a fixing plate (23), a screw rod (24), a driving motor (25) and a push plate (26), wherein the fixing plate (23) is fixedly installed on the filter plate (10), the screw rod (24) is rotatably installed on the fixing plate (23) and the filter cylinder (2), the right end of the screw rod (24) is connected with the output end of the driving motor (25), the driving motor (25) is fixedly installed on the filter cylinder (2), the push plate (26) is screwed with the screw rod (24), and the push plate (26) is slidably installed on the filter plate (10).

5. A drainage and pollution discharge device for new city construction as claimed in claim 1, further comprising an exhaust pipe (27) and an exhaust valve (28), wherein the exhaust pipe (27) is fixedly installed at the upper part of the filter cartridge (2), and the exhaust valve (28) is installed on the exhaust pipe (27).

6. A drainage and pollution discharge device for new city construction as claimed in claim 1, further comprising a cover plate (29), wherein the filter cartridge (2) is provided with an access opening, and the cover plate (29) is installed at the outer side of the access opening.

7. A drainage and pollution discharge device for new city construction according to claim 4, further comprising a limiting block (30), wherein the limiting block (30) is fixedly installed on the screw rod (24).