CN218665467U - Biological denitrification device for sewage treatment - Google Patents

Abstract

The utility model discloses a biological denitrification device for sewage treatment. There is a filter assembly, and a water outlet assembly is fixedly installed on the side surface of the holding assembly. The utility model can carry out two-way agitation of different depths to the sewage in the holding tank through the transmission assembly and the agitation assembly, so as to speed up the agitation speed and thereby improve the reaction rate, so that the efficiency of the denitrification work is improved. The quality of sewage filtration, through the stirring blades in the stirring assembly, can clean the filter plate while stirring the sewage, which brings convenience to users.

Description

A biological denitrification device for sewage treatment

technical field

The utility model relates to the field of denitrification devices, in particular to a biological denitrification device for sewage treatment.

Background technique

Biological denitrification devices are generally used to react nitric acid in sewage to remove nitrogen. Generally, in order to make the denitrification effect better, a stirring device will be installed. The application number is "CN202020491096.7". An AO biological denitrification sewage treatment device" is also an increasingly mature technology. Its "the utility model provides an AO biological denitrification sewage treatment device. The rotation of the first stirring rod will drive the rotation of the stirring blade, and the rotation of the stirring blade will drive the sewage to the Pushing in the direction of the bottom of the first stirring rod, the rotation of the second stirring rod will drive the rotation of the stirring blade, thereby pushing the sewage at the bottom of the second stirring rod upward, and the sewage pushed up and the sewage pushed down are fully mixed with the filler", but During the use of this denitrification device, there are also the following defects: the stirring blade is rotated to stir the sewage to make it in a flowing state, so as to perform better denitrification work, but the structural design of the stirring device makes its own stirring The direction is single, and the stirring depth is limited at the same time, so there may be a stirring dead angle, which will take a longer time for denitrification work, and its work efficiency needs to be improved;

Among them, the "biological denitrification device for sewage treatment" disclosed by the application number "CN202022650625.6" is also an increasingly mature technology. Suspended solids and impurities are filtered to prevent these suspended solids and impurities from adhering to the filter unit, effectively preventing the speed and effect of sewage treatment from deteriorating, and a filter plate brush is installed above the filter plate to brush off the impurities on the filter plate. Ensure that the filter plate can be used effectively for a long time”, but the denitrification device still has the following defects during use: the denitrification device brushes the filter plate by additionally setting a filter plate brush, which will increase the steps of filtering work, which is not convenient Fast and convenient filtration of sewage.

Utility model content

The purpose of this utility model is to provide a biological denitrification device for sewage treatment to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a biological denitrification device for sewage treatment, including a holding assembly, a transmission assembly is fixedly installed at the lower end of the holding assembly, and the side surface of the transmission assembly is detachable A stirring assembly is installed, a filter assembly is movably installed on the upper end of the holding assembly, and a water outlet assembly is fixedly installed on the side surface of the holding assembly;

The storage assembly includes a storage bucket, a partition is fixedly installed at the bottom of the storage bucket, a through hole is opened at the upper end of the partition, and a filter plate is fixedly installed inside the storage bucket.

As a preferred solution of the present utility model, the transmission assembly includes a base installed at the lower end of the holding bucket, a servo motor is fixedly installed inside the base, and a rotating shaft is fixedly installed at the output end of the servo motor, and the rotating shaft The side surface is fixedly plugged with a screw mandrel.

As a preferred solution of the present invention, the upper end of the base is provided with a mounting groove, the servo motor is fixedly mounted inside the mounting groove, the side surface of the rotating shaft is fixedly mounted with a limit strip, and the lower end of the screw rod A fixing hole is provided, and a limiting groove is provided on the inner side wall of the fixing hole, the rotating shaft is fixedly inserted into the fixing hole, and the limiting strip is fixedly clamped inside the limiting groove.

As a preferred solution of the present utility model, the stirring assembly includes three first spiral rings installed on the side surface of the screw rod, and three stirring blades are fixedly installed on the side surfaces of the three first spiral rings, which are located at the top The surfaces of the six stirring blades and the middle part are all movable with two stirring blades.

As a preferred solution of the present utility model, pin holes are provided on the surfaces of the stirring blades and the stirring blades located at the top and the middle, and a pin rod is movably inserted into the inside of the pin hole, and one end of the pin rod is threadedly connected with a nuts.

As a preferred solution of the present utility model, the filter assembly includes a top cover installed on the upper end of the bucket, the lower end of the top cover is fixedly installed with a first filter screen cover, and the upper end of the top cover is provided with a water inlet , the inside of the water inlet is movably plugged with a sealing plug.

As a preferred solution of the present utility model, the water outlet assembly includes a water outlet pipe installed on the side surface of the lower end of the bucket, and a second filter screen cover is detachably installed on the lower end of the water outlet pipe, and the second filter screen cover A second spiral ring is fixedly connected to the upper end of the water outlet pipe, a valve is fixedly installed on the side surface of the water outlet pipe, and the second spiral ring is threadedly connected to the inside of the water outlet pipe.

As a preferred solution of the present invention, the filter plate is movably installed on the side surface of the screw rod, and the three stirring blades at the bottom are attached to the filter plate.

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

1. The utility model speeds up the stirring speed through two-way stirring at different depths, so as to improve the efficiency of denitrification work. When stirring the sewage, inject the sewage into the holding bucket through the water inlet, and then pour the three first screw The ring is installed on the side surface of the screw rod counterclockwise, and then the servo motor is started to rotate clockwise. Under the action of the limit bar, the screw rod can be rotated so as to rotate with three first helical rings. The first helical ring brings A number of stirring blades rotate. While the stirring blades are stirring the sewage vertically, the stirring blades are driven by the flowing sewage to rotate horizontally. The stirring blades and stirring blades located in different depths in the storage tank can vertically stir the sewage at different depths. And horizontal stirring, so it can speed up the stirring speed and improve the efficiency of denitrification work;

2. At the same time, the utility model can also brush the filter screen through the stirring blade, without additional installation of a filter plate brush. When filtering the sewage, firstly, the sewage enters the first filter screen cover through the water inlet and is absorbed by the first filter screen cover. The impurities and large particles in the sewage are filtered, and then the sewage passes through the filter plate and the small particles are collected by the filter plate. Finally, after the denitrification work is completed, the sewage is discharged through the outlet pipe, and finally filtered by the second filter screen cover In this way, the filtration of sewage is completed. In addition, the dirt in the sewage is attached to the surface of the filter plate. When the servo motor rotates with three stirring blades, the stirring blades and the filter plate are attached to each other, so that the sewage can be stirred by the way. The dirt on the surface of the filter plate is scraped off to facilitate the brushing of the filter plate. Through the above structure, not only the sewage can be filtered, but also the filter plate can be cleaned, thereby improving the filtering quality.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is a structural schematic diagram of the transmission assembly and the stirring assembly of the utility model;

Fig. 3 is a structural disassembly diagram of the transmission assembly of the present invention;

Fig. 4 is a bottom view of the structure of the transmission assembly of the utility model;

Fig. 5 is a structural disassembly diagram of the stirring assembly of the present invention;

Fig. 6 is a structural disassembly diagram of the filter assembly of the present invention;

Fig. 7 is a disassembled view of the structure of the water outlet assembly of the present invention.

In the figure: 1, holding component; 11, holding barrel; 12, clapboard; 13, through hole; 14, filter plate; 2, transmission assembly; 21, base; 22, servo motor; 23, rotating shaft; 24, Screw mandrel; 211, installation groove; 231, limit strip; 241, fixed hole; 242, limit groove; 3, stirring assembly; 31, the first spiral ring; 32, stirring blade; 33, stirring plate; 311, pin Hole; 312, pin rod; 313, nut; 4, filter assembly; 41, top cover; 42, first filter screen cover; 43, water inlet; 44, sealing plug; 5, water outlet assembly; 51, water outlet pipe; 52 , the second screen cover; 53, the second spiral ring; 54, the valve.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-7, the utility model provides a technical solution: a biological denitrification device for sewage treatment, including a holding component 1, a transmission component 2 is fixedly installed at the lower end of the storage component 1, and the side of the transmission component 2 A stirring assembly 3 is detachably installed on the surface, a filter assembly 4 is movably installed on the upper end of the holding assembly 1, and a water outlet assembly 5 is fixedly installed on the side surface of the holding assembly 1;

The holding assembly 1 includes a holding barrel 11 , the bottom of the holding barrel 11 is fixed with a partition 12 , the upper end of the partition 12 is provided with a through hole 13 , and the inside of the holding barrel 11 is fixed with a filter plate 14 .

Specifically, the sewage can be contained through the holding tank 11 to facilitate the denitrification reaction, and the transmission component 2 can cooperate with the stirring component 3 to carry out two-way stirring of the sewage at different depths so as to speed up the denitrification work efficiency of the sewage. 14 is used to filter the small particle impurities in the sewage, and the partition 12 is used to separate the storage barrel 11 from the transmission assembly 2 to prevent the transmission assembly 2 from being damaged by sewage penetration.

In this embodiment: the transmission assembly 2 includes a base 21 mounted on the lower end of the storage barrel 11, a servo motor 22 is fixedly installed inside the base 21, and a rotating shaft 23 is fixedly installed on the output end of the servo motor 22, and the side surface of the rotating shaft 23 is fixed. A screw mandrel 24 is plugged in.

Specifically, the base 21 is used to fix the servo motor 22. By passing the screw mandrel 24 through the through hole 13, the servo motor 22 is then started to rotate with the rotating shaft 23 so that the screw mandrel 24 can be rotated so as to cooperate with the stirring assembly 3 for sewage Stir.

In this embodiment: the upper end of the base 21 is provided with a mounting groove 211, the servo motor 22 is fixedly installed inside the mounting groove 211, the side surface of the rotating shaft 23 is fixedly mounted with a limit bar 231, and the lower end of the screw rod 24 is provided with a fixing hole 241 The inner side wall of the fixing hole 241 defines a limiting groove 242 , the rotating shaft 23 is fixedly inserted into the fixing hole 241 , and the limiting strip 231 is fixedly engaged in the limiting groove 242 .

Specifically, by inserting the rotating shaft 23 into the fixing hole 241, the limiting bar 231 is snapped into the limiting groove 242. With the cooperation of the limiting bar 231, the rotating shaft 23 can rotate with the screw rod 24, and the mounting groove 211 It is used to fix the servo motor 22 to avoid moving when the servo motor 22 is running.

In this embodiment: the stirring assembly 3 includes three first helical rings 31 installed on the side surface of the screw rod 24, and the side surfaces of the three first helical rings 31 are fixedly equipped with three stirring blades 32, the top and middle Two stirring blades 33 are movably installed on the surfaces of the six stirring blades 32 .

Specifically, by installing the three first spiral rings 31 counterclockwise on the side surface of the screw rod 24, the screw rod 24 can rotate with the three first spiral rings 31 when rotating, thereby bringing the first spiral ring 31 side The three stirring blades 32 on the surface rotate, and the stirring blades 32 located at different depths in the storage tank 11 stir the sewage longitudinally, and at the same time, the flowing sewage can rotate with the stirring blade 33 to horizontally stir the sewage. The stirring blade 32 cooperates with the stirring blade 33. Stir the sewage horizontally and vertically so as to speed up the reaction speed and improve the deamination efficiency. In addition, the three stirring blades 32 on the side surface of the first spiral ring 31 at the lowermost end of the storage tank 11 can clean the filter plate 14 to avoid Filtration for a long time leads to clogging of the filter plate 14 and reduces the filtering effect.

In this embodiment: the surfaces of the stirring blades 32 and the stirring blades 33 at the top and the middle are provided with pin holes 311, and the inside of the pin holes 311 is movably inserted with a pin rod 312, and one end of the pin rod 312 is threadedly connected with a nut 313 .

Specifically, by inserting the pin rod 312 into the pin hole 311 and then fixing the pin rod 312 by the nut 313, the stirring blade 33 and the stirring blade 32 can be connected so as to realize two-way stirring of sewage.

In the present embodiment: the filter assembly 4 includes a top cover 41 installed on the upper end of the bucket 11, the lower end of the top cover 41 is fixedly equipped with a first filter screen cover 42, and the upper end of the top cover 41 is provided with a water inlet 43, the water inlet The internal activity of 43 is plugged with sealing plug 44.

Specifically, the top cover 41 is used to seal the storage bucket 11 , sewage can be injected into the storage bucket 11 through the water inlet 43 , and the first filter screen cover 42 can initially filter and collect large particles in the sewage.

In this embodiment: the water outlet assembly 5 includes a water outlet pipe 51 installed on the lower surface of the bucket 11, the lower end of the water outlet pipe 51 is detachably mounted with a second filter screen cover 52, and the upper end of the second filter screen cover 52 is fixedly connected There is a second spiral ring 53 , a valve 54 is fixedly installed on the side surface of the water outlet pipe 51 , and the second spiral ring 53 is threaded inside the water outlet pipe 51 .

Specifically, the sewage can be discharged through the water outlet pipe 51, and the second filter screen cover 52 can carry out the final filtration of the sewage during the process of the sewage being discharged through the water outlet pipe 51. The inside can facilitate the disassembly of the second filter screen cover 52, so as to remove the impurities in the second filter screen cover 52 and avoid clogging.

In this embodiment: the filter plate 14 is movably installed on the side surface of the screw rod 24 , and the three stirring blades 32 at the bottom are attached to the filter plate 14 .

Specifically, the filter plate 14 is movably installed on the side surface of the screw mandrel 24, and the stirring blade 32 is attached to the filter plate 14, and the dirt on the filter plate 14 surface can be scraped off in the process of the stirring blade 32 rotating, Prevent the filter plate 14 from clogging and reduce the filtering effect.

Working principle: when in use, when the utility model denitrifies the sewage, firstly, the sewage is injected into the storage tank 11 through the water inlet 43, at this time, the sewage passes through the first filter screen cover 42, and the first filter screen cover 42 The large particles in the sewage are filtered for the first time, and then the sewage falls into the storage tank 11 and touches the filter plate 14. The filter plate 14 collects and filters the small particles in the sewage, and starts the servo motor 22 to rotate at the same time. Under the action of the limit bar 231, the rotating shaft 23 rotates clockwise with the screw rod 24 so as to rotate the three stirring blades 32 on the side surfaces of the three first spiral rings 31, thereby stirring the sewage, and the sewage is stirred by the stirring blades 32 While rotating longitudinally, the agitating blade 33 is rotated laterally by the flowing sewage so that the sewage can be agitated horizontally. In addition, the three agitating blades 32 located at the bottom of the storage tank 11 scrape off the dirt on the surface of the filter plate 14 Finally, the sewage passes through the outlet pipe 51 and the impurities in the sewage are finally filtered by the second filter screen cover 52. Through the above structure, the sewage can be stirred in two directions at different depths, and at the same time, the surface of the filter plate 14 can be stirred by the stirring blade 32. Clean the dirt and complete the denitrification of sewage.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (8)

1. The utility model provides a biological denitrification device for sewage treatment, is including holding subassembly (1), its characterized in that: the lower end of the containing assembly (1) is fixedly provided with a transmission assembly (2), the side surface of the transmission assembly (2) is detachably provided with a stirring assembly (3), the upper end of the containing assembly (1) is movably provided with a filtering assembly (4), and the side surface of the containing assembly (1) is fixedly provided with a water outlet assembly (5);

hold subassembly (1) including holding bucket (11), the bottom fixed mounting who holds bucket (11) has baffle (12), through hole (13) have been seted up to the upper end of baffle (12), the inside fixed mounting who holds bucket (11) has filter (14).

2. The biological nitrogen removal device for sewage treatment according to claim 1, wherein: the transmission assembly (2) comprises a base (21) installed at the lower end of the containing barrel (11), a servo motor (22) is fixedly installed inside the base (21), a rotating shaft (23) is fixedly installed at the output end of the servo motor (22), and a screw rod (24) is fixedly inserted into the side surface of the rotating shaft (23).

3. The biological nitrogen removal device for sewage treatment according to claim 2, wherein: mounting groove (211) have been seted up to the upper end of base (21), servo motor (22) fixed mounting is in the inside of mounting groove (211), the side surface fixed mounting of pivot (23) has spacing (231), fixed orifices (241) have been seted up to the lower extreme of lead screw (24), spacing groove (242) have been seted up to the inside wall of fixed orifices (241), pivot (23) are fixed to be pegged graft in the inside of fixed orifices (241), spacing (231) fixed joint is in the inside of spacing groove (242).

4. The biological nitrogen removal device for sewage treatment according to claim 3, wherein: stirring subassembly (3) are including installing in three first spiro (31) of lead screw (24) side surface, three the side surface of first spiro (31) all fixed mounting has three stirring leaf (32), and the surface that is located six stirring leaf (32) at top and middle part all movable mounting has two stirring piece (33).

5. The biological nitrogen removal device for sewage treatment according to claim 4, wherein: pin holes (311) are formed in the surfaces of the stirring blades (32) and the stirring sheets (33) which are positioned at the top and the middle part, pin rods (312) are movably inserted into the pin holes (311), and nuts (313) are connected to one end of each pin rod (312) in a threaded mode.

6. The biological nitrogen removal device for sewage treatment according to claim 1, wherein: the filter assembly (4) comprises a top cover (41) arranged at the upper end of the containing barrel (11), a first filter screen cover (42) is fixedly arranged at the lower end of the top cover (41), a water inlet (43) is formed in the upper end of the top cover (41), and a sealing plug (44) is inserted in the inner portion of the water inlet (43).

7. The biological nitrogen removal device for sewage treatment according to claim 1, wherein: go out water subassembly (5) including installing in outlet pipe (51) that hold bucket (11) lower extreme side surface, the lower extreme demountable installation of outlet pipe (51) has second screen panel (52), the upper end fixedly connected with second spiral ring (53) of second screen panel (52), the side surface fixed mounting of outlet pipe (51) has valve (54), second spiral ring (53) threaded connection is in the inside of outlet pipe (51).

8. The biological nitrogen removal device for sewage treatment according to claim 4, wherein: the filter plate (14) is movably arranged on the side surface of the screw rod (24), and three stirring blades (32) positioned at the bottom are attached to the filter plate (14).

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