CN215161282U

CN215161282U - Sewage treatment device

Info

Publication number: CN215161282U
Application number: CN202120716493.4U
Authority: CN
Inventors: 杨倩; 张新立; 孙浩; 邱刚; 徐雨琛
Original assignee: North China Electric Power University Science & Technology College
Current assignee: North China Electric Power University Science & Technology College
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-12-14
Anticipated expiration: 2031-04-08

Abstract

The utility model discloses a sewage treatment device, which comprises two parallel-connected settling tanks, wherein the two settling tanks are respectively connected with a water inlet pipe through a first switch valve, the two settling tanks are respectively connected with a water outlet pipe through a fifth switch valve, an annular filter cylinder is concentrically arranged in the settling tanks, an inner cavity communicated with the top surface is arranged in the annular filter cylinder, a feed inlet, a driving motor and a hydraulic cylinder are arranged at the top of the settling tank, the output end of the driving motor is connected with a rotating shaft, the rotating shaft is positioned at the inner side of the annular filter cylinder, stirring blades are arranged on the rotating shaft, the piston end of the hydraulic cylinder is connected with an annular sewage suction pipe, the annular sewage suction pipe is positioned in the inner cavity, annular suction pipe in two precipitation tanks keeps in jar intercommunication through hose and silt respectively, and the jar top portion of keeping in of silt is installed sealing top cap, and the hose connection is covered on sealing top cap, is connected with the negative pressure pipe on the jar is kept in to silt. The utility model discloses can improve the not enough of prior art, realize that the high efficiency of sewage integrates the precipitation separation and handles.

Description

Sewage treatment device

Technical Field

The utility model belongs to the technical field of sewage treatment technique and specifically relates to a sewage treatment device.

Background

The sewage treatment process needs to firstly carry out precipitation separation treatment on the sewage. In the prior art, a plurality of large-capacity sedimentation tanks are generally arranged for sedimentation separation treatment. However, this method has the disadvantages of large floor space and long processing time.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a sewage treatment device, can solve the not enough of prior art, realize that the high efficiency of sewage integrates the precipitation separation and handles.

In order to solve the technical problem, the utility model adopts the following technical proposal.

A sewage treatment device comprises two parallel-connected settling tanks, wherein the two settling tanks are respectively connected with a water inlet pipe through a first switch valve, the two settling tanks are respectively connected with a water outlet pipe through a fifth switch valve, annular filter cylinders are concentrically arranged in the settling tanks, an inner cavity communicated with the top surface is arranged in each annular filter cylinder, a feed opening is arranged at the top of each settling tank, a driving motor and a hydraulic cylinder, the output end of the driving motor is connected with a rotating shaft, the rotating shaft is positioned at the inner side of each annular filter cylinder, stirring blades are arranged on the rotating shaft, the piston end of each hydraulic cylinder is connected with an annular sewage suction pipe, the annular sewage suction pipes are positioned in the inner cavities, the annular sewage suction pipes in the two settling tanks are respectively communicated with a sediment tank through hoses, a sealing top cover is arranged at the top of the sediment temporary storage tank, the hoses are connected to the sealing top cover, a fourth switch valve is arranged on each hose, and a negative pressure pipe is connected to the sediment temporary storage tank, the negative pressure pipe is provided with a second switch valve, the sediment temporary storage tank is internally provided with a conical filter screen, the bottom of the sediment temporary storage tank is connected with a drain pipe, and the drain pipe is provided with a third switch valve.

Preferably, the two sides of the annular sewage suction pipe are provided with sewage suction ports, the top and the bottom of each sewage suction port are respectively fixed with a scraper, each scraper is in sliding contact with the inner wall of the inner cavity, the scraper is provided with a plurality of through grooves, a baffle is mounted in each sewage suction port through a support, and a gap is reserved between the edge of each baffle and the inner wall of the annular sewage suction pipe.

Preferably, the baffle is provided with a concave part in the center, and the center of the concave part is provided with a through hole.

Preferably, a cover plate is arranged above the through hole and connected with the concave part through a spring.

Preferably, a centrifugal motor is installed in the sediment temporary storage tank, and the conical filter screen is installed on the centrifugal motor.

The treatment method of the sewage treatment device comprises the following steps: opening any one first switch valve, injecting sewage to be treated into the corresponding precipitation tank, adding a treatment agent into the precipitation tank through a feed inlet, and starting a driving motor to enable a stirring blade to stir the sewage; opening a second switch valve and a corresponding fourth switch valve while stirring, simultaneously starting a hydraulic cylinder to drive the annular sewage suction pipe to move up and down, and sucking the precipitated impurities attached to the surface of the annular filter cylinder into a sediment temporary storage tank; after the treatment is finished, stopping the driving motor and the hydraulic cylinder, closing the second switch valve and the corresponding fourth switch valve, opening the corresponding fifth switch valve to discharge the treated water body, and meanwhile, repeating the operation on the other settling tank to treat the sewage in the other settling tank; and opening the sealing top cover and the third switch valve regularly to clean sludge and sewage in the sediment temporary storage tank.

Adopt the beneficial effect that above-mentioned technical scheme brought to lie in: the utility model discloses parallelly connected two gunbarrel that set up, through alternate use can realize the continuous processing of sewage. After sewage enters the settling tank, sewage is precipitated and separated out under the action of treatment agents and stirring, and is attached to the annular filter cylinder, and then the annular sewage suction pipe is used for sucking and discharging precipitated impurities under negative pressure. The scrapers on two sides of the dirt suction port are used for scraping the surface of the annular filter cylinder, so that precipitated impurities attached to the annular filter cylinder are separated from the surface of the annular filter cylinder. As the water flow is sucked into the dirt suction port, the flow cross-sectional area at the gap is suddenly reduced, so that a circulating turbulent flow area is formed in the concave part, and further washing on the surface of the annular filter cylinder is realized. The water flow through the through holes can increase new flow tendency in the circulating turbulent flow area, thereby improving the washing effect of the water flow on the surface of the annular filter cylinder. The position of apron can be close to the through-hole along with the velocity of flow of negative pressure soil pick-up gradually to progressively increase apron top circulation turbulent region, reduce the flow of through-hole simultaneously, realize all can realizing good effect of decontaminating under the high low velocity of flow state. Through carrying out centrifugal rotation to the toper filter screen, be convenient for recycle the collection of mud in the toper filter screen.

Drawings

Fig. 1 is a structural view of an embodiment of the present invention.

Fig. 2 is a structural view of a soil suction port according to an embodiment of the present invention.

In the figure: 1. a settling tank; 2. a first on-off valve; 3. a water inlet pipe; 4. an annular filter cartridge; 5. an inner cavity; 6. a feeding port; 7. a drive motor; 8. a hydraulic cylinder; 9. a rotating shaft; 10. a stirring blade; 11. an annular sewage suction pipe; 12. a hose; 13. a silt temporary storage tank; 14. a fourth switching valve; 15. Sealing the top cover; 16. a negative pressure tube; 17. a second on-off valve; 18. a conical filter screen; 19. a drain pipe; 20. a third on-off valve; 21. a fifth on-off valve; 22. a water outlet pipe; 23. a sewage suction port; 24. A squeegee; 25. a through groove; 26. a support; 27. a baffle plate; 28. a gap; 29. a recessed portion; 30. A through hole; 31. a cover plate; 32. a spring; 33. a centrifugal motor.

Detailed Description

The utility model discloses the standard part that well used all can be purchased from the market, and dysmorphism piece all can be customized according to the description with the record of attached drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding, pasting among the prior art, no longer detailed description here.

Referring to fig. 1-2, the present embodiment includes,

two parallel-connected settling tanks 1, wherein the two settling tanks 1 are respectively connected with a water inlet pipe 3 through first switch valves 2, the two settling tanks 1 are respectively connected with a water outlet pipe 22 through fifth switch valves 21, annular filter cylinders 4 are concentrically arranged in the settling tanks 1, inner cavities 5 communicated with the top surface are arranged in the annular filter cylinders 4, a feed inlet 6, a driving motor 7 and a hydraulic cylinder 8 are arranged at the top of each settling tank 1, the output end of the driving motor 7 is connected with a rotating shaft 9, the rotating shaft 9 is positioned at the inner side of each annular filter cylinder 4, stirring blades 10 are arranged on the rotating shaft 9, an annular sewage suction pipe 11 is connected at the piston end of the hydraulic cylinder 8, the annular sewage suction pipes 11 are positioned in the inner cavities 5, the annular sewage suction pipes 11 in the two settling tanks 1 are respectively communicated with a sediment temporary storage tank 13 through hoses 12, a sealing top cover 15 is arranged at the top of the sediment temporary storage tank 13, and the hoses 12 are connected to the sealing top cover 15, the hose 12 is provided with a fourth switch valve 14, the sediment temporary storage tank 13 is connected with a negative pressure pipe 16, the negative pressure pipe 16 is provided with a second switch valve 17, the sediment temporary storage tank 13 is internally provided with a conical filter screen 18, the bottom of the sediment temporary storage tank 13 is connected with a drain pipe 19, and the drain pipe 19 is provided with a third switch valve 20. Annular soil pick-up pipe 11 both sides are provided with soil pick-up mouth 23, and the top and the bottom of soil pick-up mouth 23 are fixed with scraper blade 24 respectively, and

scraper blade

24 and 5 inner wall sliding contact of inner chamber are provided with a plurality of on the scraper blade 24 and lead to groove 25, install baffle 27 through support 26 in the soil pick-up mouth 23, remain gapped 28 between baffle 27 edge and the 11 inner walls of annular soil pick-up pipe. The baffle 27 is provided with a concave part 29 at the center, and a through hole 30 is arranged at the center of the concave part 29. A cover plate 31 is arranged above the through hole 30, and the cover plate 31 is connected with the concave part 29 of the spring 32. A centrifugal motor 33 is arranged in the sediment temporary storage tank 13, and a conical filter screen 18 is arranged on the centrifugal motor 33.

The treatment method of the sewage treatment device comprises the following steps: opening any one first switch valve 2, injecting sewage to be treated into the corresponding sedimentation tank 1, adding a treatment agent into the sedimentation tank 1 through a feed inlet 6, and starting a driving motor 7 to enable a stirring blade 10 to stir the sewage; while stirring, opening a second switch valve 17 and a corresponding fourth switch valve 14, and simultaneously starting a hydraulic cylinder 8 to drive an annular sewage suction pipe 11 to move up and down, so that precipitated impurities attached to the surface of the annular filter cylinder 4 are sucked into a sediment temporary storage tank 13; after the treatment is finished, stopping the driving motor 7 and the hydraulic cylinder 8, closing the second switch valve 17 and the corresponding fourth switch valve 14, opening the corresponding five switch valves 21 to discharge the treated water body, and meanwhile, repeating the operation on the other settling tank 1 to treat the sewage of the other settling tank 1; and (3) periodically opening the sealing top cover 15 and the third switch valve 20 to clean sludge and sewage in the sediment temporary storage tank 13.

The utility model discloses compact structure, sewage treatment efficiency is high, has good application prospect.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A sewage treatment device is characterized in that: the device comprises two parallel-connected settling tanks (1), wherein the two settling tanks (1) are respectively connected with a water inlet pipe (3) through first switch valves (2), the two settling tanks (1) are respectively connected with a water outlet pipe (22) through fifth switch valves (21), annular filter cylinders (4) are concentrically arranged in the settling tanks (1), inner cavities (5) communicated with the top surface are arranged in the annular filter cylinders (4), a feeding port (6), a driving motor (7) and a hydraulic cylinder (8) are arranged at the top of each settling tank (1), the output end of the driving motor (7) is connected with a rotating shaft (9), the rotating shaft (9) is positioned on the inner sides of the annular filter cylinders (4), stirring blades (10) are arranged on the rotating shaft (9), the piston end of the hydraulic cylinder (8) is connected with an annular sewage suction pipe (11), the annular sewage suction pipes (11) are positioned in the inner cavities (5), the annular sewage suction pipes (11) in the two settling tanks (1) are respectively communicated with a sediment storage tank (13) through hoses (12), sealing top cover (15) are installed at silt temporary storage tank (13) top, hose (12) are connected on sealing top cover (15), install fourth ooff valve (14) on hose (12), be connected with negative pressure pipe (16) on silt temporary storage tank (13), install second ooff valve (17) on negative pressure pipe (16), install toper filter screen (18) in silt temporary storage tank (13), silt temporary storage tank (13) bottom is connected with drain pipe (19), install third ooff valve (20) on drain pipe (19).

2. The sewage treatment apparatus of claim 1, wherein: the annular sewage suction pipe is characterized in that sewage suction ports (23) are formed in two sides of the annular sewage suction pipe (11), scrapers (24) are fixed to the top and the bottom of each sewage suction port (23) respectively, each scraper (24) is in sliding contact with the inner wall of the inner cavity (5), a plurality of through grooves (25) are formed in each scraper (24), a baffle (27) is installed in each sewage suction port (23) through a support (26), and a gap (28) is reserved between the edge of each baffle (27) and the inner wall of the annular sewage suction pipe (11).

3. The sewage treatment apparatus according to claim 2, wherein: the center of the baffle (27) is provided with a sunken part (29), and the center of the sunken part (29) is provided with a through hole (30).

4. The sewage treatment apparatus of claim 3, wherein: a cover plate (31) is arranged above the through hole (30), and the cover plate (31) is connected with the concave part (29) through a spring (32).

5. The sewage treatment apparatus of claim 1, wherein: install centrifugal motor (33) in silt temporary storage tank (13), install on centrifugal motor (33) conical screen (18).