CN220237850U - Sludge removal device for wastewater treatment - Google Patents

Abstract

The utility model discloses a sludge removing device for wastewater treatment, which comprises a tank body, a support frame and a motor, wherein the support frame is fixedly connected to the lower part of the tank body, a tangential water inlet connecting pipe is welded on the side surface of the upper part of the tank body, a rotating shaft is arranged at the output end of the motor and extends to the inner cavity of the tank body, a sludge bin with a reduced diameter is arranged at the lower part of the tank body, a conical isolation cover is arranged at the upper port of the sludge bin, an annular gap is formed between the outer side of the isolation cover and the inner wall of the sludge bin, an upper round rod and a lower round rod which are parallel are radially arranged on the rotating shaft, a scraping rod capable of radially moving is arranged between the two round rods, the scraping rod is profiled with the inner wall of the tank body, a rubber layer is arranged on the outer side of the scraping rod, the scraping rod is pressed on the inner wall of the tank body by centrifugal force when the scraping rod is driven to rotate, and a scraping plate is fixedly arranged on one round rod at the lower side. According to the utility model, by utilizing the principle of cyclone sedimentation, the input sewage forms a cyclone in the tank body, so that the sedimentation of particle impurities in the sewage to the lower mud bin is promoted, and the mud removing efficiency can be effectively improved.

Description

Sludge removal device for wastewater treatment

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a sludge removal device for wastewater treatment.

Background

The sedimentation tank is a facility for removing sediment impurities in water by sedimentation, the basic principle is that sewage is discharged into the tank, the weight of the sludge is deposited at the bottom of the tank, or a diagonal pipe mechanism is arranged, and flocculating agent is added to promote rapid coagulation and sedimentation, and although a sludge discharge port at the bottom of the tank can discharge most of sludge, a certain proportion of sludge is inevitably attached to the tank wall and the bottom of the tank, and the sludge is difficult to clean.

The utility model discloses a sedimentation tank and a sludge removing mechanism for sewage treatment, which are disclosed in Chinese patent publication No. CN212854770U, and the sludge on the inner wall can be conveniently scraped by the sludge removing mechanism, so that the problems of poor working environment and low efficiency in manual treatment are avoided. And the desilting mechanism is simple in structure, can adapt to the change of the inner diameter of the pool, and solves the desilting problem with low cost. However, the above scheme has the following disadvantages: the patent adopts a direct standing mode for precipitation, and has low efficiency for removing sediment in sewage.

Disclosure of Invention

The present utility model is directed to a sludge removal device for wastewater treatment, which solves the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a waste water treatment is with mud device, includes the jar body, support frame and motor, support frame fixed connection is in the lower part of the jar body, and the upper portion side welding of the jar body has the water connection pipe of tangential access, the motor is installed in the top center department of the jar body, and the pivot is installed to the output of motor, and the inner chamber of the jar body is stretched to the pivot, the lower part of the jar body is equipped with the mud storehouse that the diameter reduces, the last port of mud storehouse is equipped with conical cage, is formed with annular gap between the outside of cage and the inner wall of mud storehouse, two of pivot radial installation parallel round bars, two install radially movable's scraper bar between the round bar the inner wall profile modeling of the scraper bar and jar body, the outside of scraper bar is equipped with the rubber layer, is pressed it on the inner wall of the jar body by centrifugal force when the scraper bar is driven to rotate, and a downside round bar fixed mounting has the scraper blade, and the downside of scraper blade is equipped with the hypotenuse with the profile modeling with the cage.

Preferably, the lower part of the mud bin is of a cone hopper structure, a valve for discharging sewage is arranged at the lower end of the mud bin, and a water outlet connecting pipe is arranged at the top of the tank body.

Preferably, the lower end of the rotating shaft penetrates through the isolation cover and is rotationally connected with the isolation cover, and the lower end of the rotating shaft extends into the mud bin and is provided with a stirring rod.

Preferably, the inner side of the scraping rod is provided with a corresponding inserting column, the round rod is of a hollow round tube structure, the inserting column is in fit connection with the round rod, a spring is arranged on the round rod, and the spring is connected with the scraping rod and provides inward tension force for the scraping rod.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, by utilizing the principle of cyclone sedimentation, the input sewage forms a cyclone in the tank body, so that the sedimentation of particle impurities in the sewage to the lower mud bin is promoted, and the mud removing efficiency can be effectively improved. The motor is used for driving the scraping rod and the scraping plate to rotate, so that the sludge attached to the inside is conveniently scraped.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the structure at A-A in FIG. 1.

In the figure: 1. a tank body; 2. a support frame; 3. a mud bin; 4. a valve; 5. a motor; 6. a rotating shaft; 7. a water inlet connecting pipe; 8. a water outlet connecting pipe; 9. an isolation cover; 10. a scraping rod; 11. a spring; 12. a scraper; 13. a round rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a waste water treatment is with mud removal device, including a jar body 1, support frame 2 and motor 5, motor 5 adopts gear motor or the mechanism of ordinary motor configuration speed reducer, support frame 2 fixed connection is in the lower part of jar body 1, the upper portion side welding of jar body 1 has tangential access's water inlet connection pipe 7, be equipped with the branch pipe on the water inlet connection pipe 7, the branch pipe is arranged in adding the flocculating agent to the sewage of input, water outlet connection pipe 8 is installed at the top of jar body 1, the bore on the water inlet connection pipe 7 is less than the bore of water outlet connection pipe 8, in order to form the whirl, the velocity of flow of input sewage is great. The motor 5 is installed in the top center department of jar body 1, and pivot 6 is installed to motor 5's output, and pivot 6 stretches to jar body 1's inner chamber, and jar body 1's lower part is equipped with the mud storehouse 3 that the diameter reduces, and the valve 4 that is used for the blowdown is installed to the lower part of mud storehouse 3 for awl fill structure and lower extreme.

The upper port of the mud bin 3 is provided with a conical isolation cover 9, an annular gap is formed between the outer side of the isolation cover 9 and the inner wall of the mud bin 3, the width of the annular gap is larger than 5CM, precipitated impurities enter the mud bin 3 through the gap, and the isolation cover 9 can effectively slow down disturbance of rotational flow on the impurities. The lower extreme of pivot 6 runs through cage 9 and rotates with it and be connected, and the lower extreme of pivot 6 stretches into in the mud storehouse 3 and installs the puddler, and during the blowdown, the mud in the rotatory stirring mud storehouse 3 of puddler prevents to cause the jam to valve 4, ensures that the blowdown is smooth and easy.

The rotary shaft 6 is radially provided with an upper round rod 13 and a lower round rod 13 which are parallel, a scraping rod 10 which can radially move is arranged between the two round rods 13, the scraping rod 10 is profiled with the inner wall of the tank body 1, a rubber layer is arranged on the outer side of the scraping rod 10, the scraping rod 10 is pressed on the inner wall of the tank body 1 by centrifugal force when driven to rotate, a corresponding inserted column is arranged on the inner side of the scraping rod 10, the round rod 13 is of a hollow round tube structure, the inserted column is in fit connection with the round rod 13, a spring 11 is arranged on the round rod 13, the spring 11 is connected with the scraping rod 10 and provides inward pulling force for the scraping rod 10, and in normal water treatment application, the rotary shaft 6 and the scraping rod 10 are static, and the scraping rod 10 is far away from the inner wall of the tank body 1 because larger resistance is generated on the outer side of the rotary flow if the scraping rod 10 is stuck on the inner wall of the tank body 1, and sedimentation is unfavorable. A round rod 13 at the lower side is fixedly provided with a scraping plate 12, the lower side of the scraping plate 12 is provided with a bevel edge which is profiled with the isolation cover 9, the bevel edge of the scraping plate 12 is close to the outer side of the isolation cover 9, and sludge attached to the scraping plate can be scraped during rotation.

Working principle: the sewage to be treated is input from the water inlet connecting pipe 7 by a pump, a flocculating agent is mixed in the input sewage, the sewage tangentially enters the tank body 1 to form a rotational flow, the flocculating agent promotes particles in the sewage to be coagulated and gradually settled, the sludge impurities enter the mud bin 3 through annular gaps around the isolation cover 9, the water outlet connecting pipe 8 is used for water diversion and discharge from the middle part of the upper side, and the particle impurities are mainly concentrated on the outer side of the rotational flow under the action of centrifugal force, so that the quality of the output sewage is improved. When the sewage is discharged, water inflow is stopped, the valve 4 is opened, the motor 5 is started to drive the rotating shaft 6 to rotate, the scraping rod 10 and the scraping plate 9 rotate, and the attached sludge is scraped.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a mud removal device for waste water treatment, includes jar body (1), support frame (2) and motor (5), support frame (2) fixed connection is in the lower part of jar body (1), motor (5) are installed in the top center department of jar body (1), and pivot (6) are installed to the output of motor (5), and inner chamber, its characterized in that to jar body (1) are stretched in pivot (6): the utility model discloses a jar, including jar body (1) and scraper bar (10), jar body (1) upper portion side welding has tangential access inlet connection pipe (7), jar body (1) lower part is equipped with mud storehouse (3) that the diameter reduces, the last port of mud storehouse (3) is equipped with conical cage (9), is formed with annular clearance between the inner wall of the outside of cage (9) and mud storehouse (3), two parallel round bars (13) about pivot (6) are radially installed, two install radially movable scraper bar (10) between round bar (13), scraper bar (10) are profiled with jar body (1) inner wall, the outside of scraper bar (10) is equipped with the rubber layer, and scraper bar (10) are pressed it on jar body (1) inner wall by centrifugal force when being driven rotatory, and downside one round bar (13) fixed mounting has scraper blade (12), and the downside of scraper blade (12) is equipped with the hypotenuse of profile modeling with cage (9).

2. The sludge removal apparatus for wastewater treatment according to claim 1, wherein: the lower part of the mud bin (3) is of a cone hopper structure, a valve (4) for discharging sewage is arranged at the lower end of the mud bin, and a water outlet connecting pipe (8) is arranged at the top of the tank body (1).

3. The sludge removal apparatus for wastewater treatment according to claim 2, wherein: the lower end of the rotating shaft (6) penetrates through the isolation cover (9) and is connected with the isolation cover in a rotating mode, and the lower end of the rotating shaft (6) extends into the mud bin (3) and is provided with a stirring rod.

4. A sludge removal apparatus for wastewater treatment as claimed in claim 3, wherein: the inside of scraping rod (10) is equipped with corresponding inserted pin, round bar (13) are hollow pipe structure, and inserted pin and round bar (13) looks adaptation are pegged graft, install spring (11) on round bar (13), spring (11) are connected with scraping rod (10) and provide inwards pulling force to it.