CN217829008U

CN217829008U - Active sand filter for advanced wastewater treatment

Info

Publication number: CN217829008U
Application number: CN202221923087.6U
Authority: CN
Inventors: 丁国锋; 曹江; 孙小萍
Original assignee: Jiangsu Yilu High Tech Environmental Protection Technology Co ltd
Current assignee: Jiangsu Yilu High Tech Environmental Protection Technology Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-11-18
Anticipated expiration: 2032-07-25

Abstract

The utility model discloses an active sand filter for sewage advanced treatment, including the device main part, one side of device main part is equipped with the inlet tube, and one side that the inlet tube was kept away from to the device main part is equipped with the drainage pipe, and the drainage pipe has the sewage discharge pipe, and inside the inlet tube extended to the device main part, the inside hollow tube that is equipped with of device main part, the inside promotion subassembly that is equipped with of hollow tube, the bilateral symmetry of hollow tube are equipped with the drainage subassembly, and the hollow tube bottom is equipped with toper sand distributor, and the inside bottom of device main part is equipped with slewing mechanism. The utility model discloses a mutually supporting of above-mentioned mechanism not only can guarantee the purifying effect to sewage, need not to shut down and washes, can the continuity of operation to can conveniently promote the subassembly and promote to wash the active sand of pollution, avoid the pollutant to adhere to on the inner wall, and take place to block up, guarantee the purification efficiency to sewage, can also avoid the pollutant to adhere to the corruption that causes equipment at the inner wall, and then can improve equipment's life.

Description

Active sand filter for advanced wastewater treatment

Technical Field

The utility model relates to a sewage treatment technical field specifically is an active sand filter for advanced wastewater treatment.

Background

Today, the deep treatment of production and domestic sewage is very important. A continuous activated sand filter is an environmentally friendly device. The active sand filter comprises a filtering tank body, a filtering component, a sand washer, a water inlet and outlet pipeline, an air lifting pump pipe, a filtrate water outlet pipeline, a sand washing water outlet pipe and the like which have corresponding structures.

The retrieved Chinese patent publication No. CN208626711U discloses an active sand filter, which belongs to environment-friendly equipment and comprises a tank body, wherein the upper part of the tank body is provided with a backwashing water outlet and consists of a cylinder body at the upper part and a cone structure at the bottom part, and a sewage treatment device is positioned at the lower part of the tank body; the separation device is positioned at the top of the tank body; an air inlet hose is arranged between the sand extraction pipe and the fixed pipe, the upper end of the air inlet hose penetrates through the separating device, the lower end of the air inlet hose is connected with an air inlet of an air collection chamber of the air collection chamber, the air collection chamber is of a hollow structure, upper and lower internal threads are arranged in the air collection chamber, a filter screen is arranged between the upper and lower internal threads, and the air collection chamber is in threaded connection with the sand extraction pipe. The sand washer is formed by vertically and alternately arranging inner and outer corrugated pipes with trapezoidal grooves, and the trapezoidal grooves are sand washing channels. Inside compressed air can effectual concentration sand lifting pipe, avoided the waste of air.

However, the above-mentioned device has certain defects in actual use, although the active sand can be cleaned simultaneously when the sewage is purified, the purification effect of the sewage is ensured, and the active sand at the bottom end of the device can not be washed well, so that a small amount of pollutants are remained at the bottom end, the bottom end is easy to block over time, the cleaning is troublesome, the purification effect is influenced, the inner wall of the equipment is easy to corrode, and the service life of the equipment is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an active sand filter for sewage advanced treatment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an active sand filter for sewage advanced treatment, including the device main part, one side of device main part is equipped with the inlet tube, one side that the inlet tube was kept away from to the device main part is equipped with the drainage pipe, the drainage pipe has the sewage discharge pipe, inside the inlet tube extended to the device main part, the inside hollow tube that is equipped with of device main part, the inside promotion subassembly that is equipped with of hollow tube, the sewage discharge pipe is linked together with the promotion subassembly, the bilateral symmetry of hollow tube is equipped with the drainage subassembly, the drainage subassembly is linked together through hollow tube and inlet tube, the hollow tube bottom is equipped with toper sand distributor, the inside bottom of device main part is equipped with slewing mechanism, one side of slewing mechanism is equipped with the delivery pipe.

Preferably, for can taking the active sand of bottom to rotate, can make things convenient for the lifting means to promote the active sand of pollution and wash, slewing mechanism is equipped with the pivot including setting up the motor in device main part bottom, motor output, and the pivot runs through the device main part and extends to inside the device main part, and the equidistance is equipped with the stirring rod in the pivot to still be equipped with the sand scraping subassembly in the pivot.

Preferably, in order to strike off the inner wall, avoid the pollutant to adhere to on the inner wall, and take place to block up, guarantee the purification efficiency to sewage, the sand scraping subassembly sets up the scraper blade in the pivot both sides including the symmetry, is connected through the dead lever between scraper blade and the pivot, is equipped with the clearance cotton on the scraper blade, and the clearance cotton is laminated mutually with device main part inner wall.

Preferably, in order to protect the motor and ensure the sealing property, a shell is arranged outside the motor and fixedly connected with the device main body, and a sealing ring is arranged at the joint of the rotating shaft and the device main body.

Preferably, in order to lift and flush the polluted active sand, the lifting assembly comprises a lifting pipe arranged in the hollow pipe, the bottom end of the lifting pipe penetrates through the conical sand distributor and extends to the bottom end of the conical sand distributor, an air separator is arranged at the top end of the lifting pipe, the air separator is fixedly connected with the device main body, and the output end of the air separator is communicated with the sewage discharge pipe.

Preferably, in order to let more abundant distribution of sewage inside active sand, guarantee the efficiency and the effect of purification, the drainage subassembly includes that the symmetry sets up the connecting pipe in the hollow tube both sides, and the connecting pipe is linked together through hollow tube and inlet tube to the equidistant delivery port that is equipped with on the connecting pipe.

Preferably, for the stability that can improve equipment, device main part bottom equidistance is equipped with four supporting legs to all be equipped with the stabilizer blade under four supporting legs.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) Through the arranged rotating mechanism, the rotating mechanism can rotate after the device works for a period of time, the rotating mechanism can rotate at the bottom end in the device main body, and further can drive the active sand at the bottom end to rotate, the lifting assembly can be convenient to lift and wash the polluted active sand, and the inner wall can be scraped through the sand scraping assembly, so that pollutants are prevented from being attached to the inner wall, manual cleaning is not needed, the workload is reduced, meanwhile, blockage can be avoided, the sewage purification efficiency is ensured, meanwhile, the pollutants can be prevented from being attached to the inner wall to cause corrosion of equipment, and further, the service life of the equipment can be prolonged;

(2) And can promote the active sand of pollution through the promotion subassembly that is equipped with, violently rub with water and air through this air separator, with air and sand in air separator, water separates, the grit then because of the decline of self gravity, accomplish the washing sand, and then can wash without shutting down, can the continuity of operation, improve equipment is to the purification efficiency of sewage, and can be inside the active sand layer with the even emission of sewage that needs purify through the discharge subassembly that is equipped with, and then can improve the speed of purification, can also guarantee the effect of purification.

Drawings

FIG. 1 is a schematic structural view of an activated sand filter for advanced wastewater treatment according to the present invention;

FIG. 2 is a schematic view of the internal structure of an activated sand filter for advanced wastewater treatment according to the present invention;

FIG. 3 is a schematic structural view of a drainage assembly in an activated sand filter for advanced wastewater treatment according to the present invention;

FIG. 4 is a schematic structural view of a rotating mechanism in an activated sand filter for advanced wastewater treatment according to the present invention;

fig. 5 is a partial schematic structural view of an active sand filter for advanced wastewater treatment according to the present invention.

In the figure: 1. a device main body; 2. a water inlet pipe; 3. a sewage discharge pipe; 4. a filtered water discharge pipe; 5. an air separator; 6. a discharge pipe; 7. a housing; 8. supporting legs; 9. a leg; 10. a hollow tube; 11. a connecting pipe; 12. a water outlet; 13. a conical sand distributor; 14. a motor; 15. a riser tube; 16. a rotating shaft; 17. a stirring rod; 18. a seal ring; 19. a fixing rod; 20. a squeegee; 21. and (5) cleaning cotton.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1 to 5, an activated sand filter for advanced wastewater treatment includes a device body 1 for advanced wastewater treatment and purification to improve the water purification effect;

a water inlet pipe 2 is arranged on one side of the device main body 1, and sewage is extracted through a water pump, so that the purification treatment is convenient;

one side that device main part 1 kept away from inlet tube 2 is equipped with drainage pipe 4, drainage pipe 4 has sewage discharge pipe 3, inlet tube 2 extends to 1 insidely of device main part, 1 inside hollow tube 10 that is equipped with of device main part, the inside promotion subassembly that is equipped with of hollow tube 10, sewage discharge pipe 3 is linked together with the promotion subassembly, the bilateral symmetry of hollow tube 10 is equipped with the drainage subassembly, the drainage subassembly is linked together with inlet tube 2 through hollow tube 10, hollow tube 10 bottom is equipped with

toper sand distributor

13, 1 inside bottom of device main part is equipped with slewing mechanism, one side of slewing mechanism is equipped with

delivery pipe

6, 1 bottom equidistance of device main part is equipped with four supporting legs 8, and all be equipped with stabilizer blade 9 under four supporting legs 8.

Through mutually supporting of above-mentioned mechanism, not only can guarantee the purifying effect to sewage, need not to shut down and wash, can the continuity of operation, improve equipment is to the purification efficiency of sewage, and can also guarantee to take the active sand of bottom to rotate, can conveniently promote the subassembly and promote to wash the active sand that pollutes, avoid the pollutant to adhere to on the inner wall, and take place to block up, guarantee the purification efficiency to sewage, can also avoid the pollutant to adhere to the corruption that causes equipment at the inner wall, and then can improve equipment's life.

Example two

Referring to fig. 1-5, the rotating mechanism includes a motor 14 disposed at the bottom end of the device main body 1, a rotating shaft 16 is disposed at an output end of the motor 14, the rotating shaft 16 penetrates through the device main body 1 and extends into the device main body 1, stirring rods 17 are disposed on the rotating shaft 16 at equal intervals, a scraping assembly is further disposed on the rotating shaft 16, the scraping assembly includes scrapers 20 symmetrically disposed at two sides of the rotating shaft 16, the scrapers 20 are connected with the rotating shaft 16 through a fixing rod 19, cleaning cotton 21 is disposed on the scrapers 20, wherein the shapes of the scrapers 20 and the cleaning cotton 21 are fitted with the inner wall of the device main body 1, and a scraping effect on the inner wall can be ensured;

the cleaning cotton 21 is attached to the inner wall of the device main body 1, the shell 7 is arranged outside the motor 14, the shell 7 is fixedly connected with the device main body 1, and a sealing ring 18 is arranged at the joint of the rotating shaft 16 and the device main body 1.

Through the slewing mechanism who sets up, can rotate after device work an end time, can let slewing mechanism rotate in 1 inside bottoms of device main part, and then the active sand that can take the bottom rotates, can conveniently promote the subassembly and promote the washing to the active sand that pollutes, and the through sand scraping subassembly can scrape the inner wall, and then avoid the pollutant to adhere to on the inner wall, can need not artifical clearance, reduce work load, can also avoid taking place the jam simultaneously, guarantee the purification efficiency to sewage, simultaneously can also avoid the pollutant to adhere to the corruption that causes equipment at the inner wall, and then can improve equipment's life.

EXAMPLE III

Referring to fig. 1-5, the lifting assembly includes a lifting tube 15 disposed inside the hollow tube 10, the bottom end of the lifting tube 15 penetrates the tapered sand distributor 13 and extends to the bottom end of the tapered sand distributor 13, and the tapered sand distributor 13 facilitates the polluted sand to flow to the bottom end of the apparatus body 1 for subsequent lifting and flushing;

an air separator 5 is arranged at the top end of the lifting pipe 15 (mature technology is not described herein), the air separator 5 is fixedly connected with the device main body 1, a lifting pump is arranged on the air separator 5, polluted sand at the bottom end can be conveniently lifted, the polluted sand is separated from the air, sand and water in the air separator 5 through violent friction between the air separator 5 and the water and the air, and the sand is lowered due to self gravity, so that sand washing is completed;

and the output end of the air separator 5 is communicated with the sewage discharge pipe 3, the water discharge assembly comprises connecting pipes 11 symmetrically arranged on two sides of a hollow pipe 10, the connecting pipes 11 are communicated with the water inlet pipe 2 through the hollow pipe 10, and water outlets 12 are arranged on the connecting pipes 11 at equal intervals.

And can promote the active sand of pollution through the promotion subassembly that is equipped with, violently rub with water and air through this air separator 5, with air and sand in air separator 5, water separates, the grit then because of the decline of self gravity, accomplish the sand washing, and then can wash without shutting down, can the continuity of operation, improve equipment is to the purification efficiency of sewage, and the even emission of sewage that needs the purification can be inside active sand layer through the discharge subassembly that is equipped with, and then can improve the speed of purification, can also guarantee the effect of purification.

The working principle is as follows: when the utility model is used, sewage to be treated is introduced into the hollow pipe 10 through the water inlet pipe 2 and is uniformly discharged through the water outlet 12 on the connecting pipe 11, the sewage to be purified can be uniformly discharged into the active sand layer, further, the purifying speed can be improved, the purifying effect can be ensured, the purified water is uniformly discharged and collected through the filtered water discharge pipe 4 for further processing, the polluted active sand is extracted into the air separator 5 through the lifting pipe 15, the air separator 5 is violently rubbed with water and air to be separated from air, sand and water in the air separator 5, the sand is washed without shutdown due to the self gravity reduction, and then the washing is carried out without shutdown, can the continuity of operation, improve equipment is to the purification efficiency of sewage, and sewage is discharged through sewage discharge pipe 3, and after work is one section, rotate through motor 14, take pivot 16 to rotate, can rotate the active sand of bottom through stirring rod 17, can conveniently promote the subassembly and promote the washing to the active sand that pollutes, and can take dead lever 19 to rotate, scraper blade 20 rotates along with it with clearance cotton 21, can scrape the inner wall, and then avoid the pollutant to adhere to on the inner wall, can need not artifical clearance, reduce work load, can also avoid taking place to block up simultaneously, guarantee the purification efficiency to sewage, can also avoid the pollutant to adhere to the corruption that causes equipment at the inner wall simultaneously, and then can improve equipment's life.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an active sand filter for sewage advanced treatment, includes device main part (1), its characterized in that: one side of device main part (1) is equipped with inlet tube (2), keep away from in device main part (1) one side of inlet tube (2) is equipped with drainage water pipe (4), drainage water pipe (4) have sewage discharge pipe (3), inside inlet tube (2) extended to device main part (1), inside hollow tube (10) of being equipped with of device main part (1), the inside lifting unit that is equipped with of hollow tube (10), sewage discharge pipe (3) with lifting unit is linked together, the bilateral symmetry of hollow tube (10) is equipped with the drainage subassembly, the drainage subassembly pass through hollow tube (10) with inlet tube (2) are linked together, hollow tube (10) bottom is equipped with toper sand distributor (13), the inside bottom of device main part (1) is equipped with slewing mechanism, one side of slewing mechanism is equipped with delivery pipe (6).

2. The activated sand filter for advanced wastewater treatment as claimed in claim 1, wherein: slewing mechanism is including setting up motor (14) in device main part (1) bottom, motor (14) output is equipped with pivot (16), pivot (16) run through inside device main part (1) and extend to device main part (1), and pivot (16) equidistance is equipped with stirring rod (17), and still be equipped with the sand scraping subassembly in pivot (16).

3. The activated sand filter for advanced wastewater treatment as claimed in claim 2, wherein: the scraping component comprises scraping plates (20) symmetrically arranged on two sides of a rotating shaft (16), the scraping plates (20) are connected with the rotating shaft (16) through fixing rods (19), cleaning cotton (21) is arranged on the scraping plates (20), and the cleaning cotton (21) is attached to the inner wall of the device main body (1).

4. The activated sand filter for advanced wastewater treatment as claimed in claim 3, wherein: the motor (14) is externally provided with a shell (7), the shell (7) is fixedly connected with the device main body (1), and a sealing ring (18) is arranged at the joint of the rotating shaft (16) and the device main body (1).

5. The activated sand filter for advanced wastewater treatment as claimed in claim 4, wherein: the lifting assembly comprises a lifting pipe (15) arranged in the hollow pipe (10), the bottom end of the lifting pipe (15) penetrates through the conical sand distributor (13) and extends to the bottom end of the conical sand distributor (13), an air separator (5) is arranged at the top end of the lifting pipe (15), the air separator (5) is fixedly connected with the device main body (1), and the output end of the air separator (5) is communicated with the sewage discharge pipe (3).

6. The activated sand filter for advanced wastewater treatment as claimed in claim 5, wherein: the drainage assembly comprises connecting pipes (11) symmetrically arranged on two sides of a hollow pipe (10), the connecting pipes (11) are communicated with the water inlet pipe (2) through the hollow pipe (10), and water outlets (12) are arranged on the connecting pipes (11) at equal intervals.

7. The activated sand filter for advanced wastewater treatment as claimed in claim 6, wherein: device main part (1) bottom equidistance is equipped with four supporting leg (8), and four all be equipped with stabilizer blade (9) under supporting leg (8).