CN215855345U - Novel denitrification deep-bed filter tank for flushing wastewater by air flushing - Google Patents

Abstract

The utility model belongs to the technical field of sewage treatment, and particularly relates to a novel denitrification deep-bed filter for flushing wastewater by air impact, which comprises a base and a filter body, wherein the top of the base is fixedly connected with the bottom end of the filter body, the bottom end surface of the base is fixedly connected with a water inlet pipe, the top end of the water inlet pipe extends to the bottom of an inner cavity of the filter body, a first motor is fixedly arranged in the inner cavities at two sides of the base, the output end of the first motor is fixedly connected with a first rotating shaft, and the first rotating shaft is connected with a rotating pipe through a transmission assembly; according to the utility model, through the matching among the motor I, the rotating shaft I, the bevel gear II, the rotating pipe and the air blowing pipe, the nozzle on the air blowing pipe can blow air to the bottom of the filter body in an all-around manner, so that the air enters the inner cavity of the filter body and rises into the filter material to wash suspended particles on the filter material in an oscillating manner, and the washing effect of the air on the suspended particles on the filter material is improved.

Description

Novel denitrification deep-bed filter tank for flushing wastewater by air flushing

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a novel denitrification deep bed filter for flushing wastewater by air flushing.

Background

The denitrification deep bed filter tank is a means of sewage treatment, when sewage treatment is carried out, suspended particles in sewage are treated by the filter tank through filter materials, the denitrification deep bed filter tank is simple in process flow, the filter bed is deeper than the traditional fast filter tank and mostly adopts a down-flow gravity filter tank, the multilayer filter materials are anthracite, quartz sand, garnet and the like, the effect is stable, the effluent quality is good, the investment is low, the energy consumption is low, the economic benefit is high, and therefore the denitrification deep bed filter tank is widely applied.

At present, because suspended particles in sewage are intercepted on a filter material, the filtering efficiency of the deep bed filter is gradually reduced, the deep bed filter needs to be backwashed to remove the suspended particles on the filter material, but most deep bed filter devices have lower backwashing strength, so that the rinsing rate of the suspended particles is slower; therefore, a novel denitrification deep bed filter for flushing waste water by air flushing is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art and solve the problems that most deep bed filter devices have low backwashing strength and the speed of washing suspended particles is low, the utility model provides a novel denitrification deep bed filter for washing wastewater by air flushing.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a novel denitrification deep bed filter for flushing wastewater by air flushing, which comprises a base and a filter body, the top of the base is fixedly connected with the bottom end of the filter body, the bottom end face of the base is fixedly connected with a water inlet pipe, the top end of the water inlet pipe extends to the bottom of the inner cavity of the filter body, the inner cavities at the two sides of the base are fixedly provided with a first motor, the output end of the first motor is fixedly connected with the first rotating shaft, the first rotating shaft is connected with the rotating pipe through a transmission assembly, the bottom end of the rotating pipe is rotationally connected with the air inlet pipe through a sealing bearing, the top end of the rotating pipe extends to the bottom of the inner cavity of the filter body, the two sides of the rotating pipe are fixedly connected with air blowing pipes which are evenly provided with a plurality of nozzles, the bottom of the inner cavity of the filter tank body is provided with a filtering component, and two sides of the filter tank body are fixedly connected with drain pipes; through the cooperation between motor one, pivot one, drive assembly, rotating tube and the gas blow pipe, the shower nozzle on the gas blow pipe of being convenient for can realize blowing to the filtering pond body bottom all-roundly for gas gets into in the filtering pond body inner chamber and rises to the filter material in to the suspended particles on the filter material shake and wash, has improved the washing effect of gas to the suspended particles on the filter material.

Preferably, the transmission assembly comprises a first bevel gear and a second bevel gear, the first bevel gear is sleeved on the rotating shaft, the first bevel gear is in meshed connection with the second bevel gear, and the second bevel gear is sleeved with the rotating pipe; the first bevel gear is driven to rotate through rotation of the first rotating shaft, so that the second bevel gear meshed with the first bevel gear drives the rotating pipe to rotate, and horizontal axial rotation of the first rotating shaft is converted into vertical axial rotation.

Preferably, the filter assembly comprises a first filter brick and a second filter brick, the bottom of the inner cavity of the filter tank body is fixedly connected with the first filter brick, the inner cavity of the filter tank body above the first filter brick is fixedly connected with the second filter brick, a filter material is filled between the first filter brick and the second filter brick, and two sides of the second filter brick are inclined; the filter material can be limited by the filter brick I and the filter brick, and the filter material is prevented from floating.

Preferably, the top of the second filter brick is fixedly connected with a mounting seat, two sides of an inner cavity of the mounting seat are fixedly provided with a second motor, an output end of the second motor is fixedly connected with a second rotating shaft, a semi-ring gear is sleeved on the second rotating shaft, the bottom of the semi-ring gear is meshed with a rack plate, a spring is fixedly connected between the two rack plates, one end of the rack plate, which is far away from the spring, is fixedly connected with a supporting rod, and the other end of the supporting rod is slidably connected with a dirt cleaning plate through a limiting block; through the cooperation between motor two, pivot two, semi-ring gear, rack plate, spring, branch and the board of decontaminating, the board of decontaminating of being convenient for slides repeatedly and clears up the suspended particles who washes to the mouth of pipe department of blow off pipe, and rethread blow off pipe discharges, has improved the back flush rate of filtering pond body.

Preferably, a limiting groove is formed in one side, close to the supporting rod, of the dirt removing plate, a limiting block is fixedly connected to one end, away from the spring, of the supporting rod, the limiting block is connected with the limiting groove in a sliding mode, and the bottom end of the dirt removing plate is matched with the inclination angle of the second filter brick; through the sliding fit of the limiting block and the limiting groove, the trash cleaning plate ascends along with the inclination angle of the second filter brick when the supporting rod is convenient to shrink.

Preferably, the bottom of the inner cavity of the mounting seat is provided with a guide groove, the bottom of the rack plate is fixedly connected with a guide block, and the guide block is in sliding connection with the guide groove; through sliding fit between guide block and the guide way, play the effect of supplementary direction to the slip of rack plate, avoid the slip direction skew of rack plate.

The utility model has the advantages that:

1. according to the utility model, through the matching among the motor I, the rotating shaft I, the bevel gear II, the rotating pipe and the air blowing pipe, the bottom of the filter body can be blown in all directions by the nozzle on the air blowing pipe, so that air enters the inner cavity of the filter body and rises into the filter material to wash suspended particles on the filter material in an oscillating way, and the washing effect of the air on the suspended particles on the filter material is improved;

2. according to the utility model, through the matching of the motor II, the rotating shaft II, the semi-ring gear, the rack plate, the spring, the support rod and the sewage disposal plate, the sewage disposal plate can slide repeatedly to clean the washed suspended particles to the pipe orifice of the sewage discharge pipe, and then the suspended particles are discharged through the sewage discharge pipe, so that the backwashing speed of the filter body is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of a first embodiment;

FIG. 2 is a schematic diagram of the overall internal structure in the first embodiment;

FIG. 3 is a schematic view of a portion of the enlarged structure at A in FIG. 2;

FIG. 4 is a schematic side view of a mount according to an embodiment;

fig. 5 is a partial structural schematic diagram of the second embodiment.

In the figure: 1. a base; 2. a filter body; 3. a water inlet pipe; 4. a first motor; 5. a first rotating shaft; 6. a first bevel gear; 7. a second bevel gear; 8. rotating the tube; 9. an air inlet pipe; 10. an air blowing pipe; 11. a first filter brick; 12. a second filter brick; 13. a blow-off pipe; 14. a mounting seat; 15. a second motor; 16. a second rotating shaft; 17. a half-ring gear; 18. a rack plate; 19. a spring; 20. a strut; 21. a decontamination plate; 22. a protective shell.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-4, a novel denitrification deep bed filter with air flushing for waste water flushing comprises a base 1 and a filter body 2, wherein the top of the base 1 is fixedly connected with the bottom end of the filter body 2, the bottom end surface of the base 1 is fixedly connected with a water inlet pipe 3, the top end of the water inlet pipe 3 extends to the bottom of the inner cavity of the filter body 2, a motor 4 is fixedly installed in the inner cavities at the two sides of the base 1, the output end of the motor 4 is fixedly connected with a rotating shaft 5, the rotating shaft 5 is connected with a rotating pipe 8 through a transmission assembly, the bottom end of the rotating pipe 8 is rotatably connected with an air inlet pipe 9 through a seal bearing, the top end of the rotating pipe 8 extends to the bottom of the inner cavity of the filter body 2, the two sides of the rotating pipe 8 are fixedly connected with air blowing pipes 10, a plurality of spray heads are uniformly arranged on the air blowing pipes 10, and a filter assembly is arranged at the bottom of the inner cavity of the filter body 2, the two sides of the filter tank body 2 are fixedly connected with drain pipes 13; during operation, through the high-pressure water injection of inlet tube 3 to the inner chamber bottom of filter body 2, filter material to between filter brick 11 and the filter brick two 12 carries out the back flush, inject into gas in 9 to the swinging head 8 through the intake pipe, a plurality of shower nozzles blowout that are equipped with on the rethread gas blowing pipe 10, make gas get into in the 2 inner chambers of filter body and rise to in the filter material to the suspended particles on the filter material shake and wash, make the suspended particles on the bottom filter material washed to the top of filter brick 11, it is rotatory to drive pivot 5 through motor 4, it is rotatory to make the swinging head 8 drive gas blowing pipe 10 through drive assembly again, and then make gas blowing pipe 10 can realize blowing to 2 bottoms of filter body omnidirectionally, the washing effect of the suspended particles of gas on the filter material has been improved.

The transmission assembly comprises a first bevel gear 6 and a second bevel gear 7, the first bevel gear 6 is sleeved on the first rotating shaft 5, the first bevel gear 6 is meshed with the second bevel gear 7, and the second bevel gear 7 is sleeved with a rotating pipe 8; during operation, the first bevel gear 6 is driven to rotate through rotation of the first rotating shaft 5, so that the second bevel gear 7 meshed with the first bevel gear 6 drives the rotating pipe 8 to rotate, horizontal axial rotation of the first rotating shaft 5 is converted into vertical axial rotation, and connection of the rotating pipe 8 and the air inlet pipe 9 is facilitated.

The filter assembly comprises a first filter brick 11 and a second filter brick 12, the bottom of the inner cavity of the filter tank body 2 is fixedly connected with the first filter brick 11, the inner cavity of the filter tank body 2 above the first filter brick 11 is fixedly connected with the second filter brick 12, a filter material is filled between the first filter brick 11 and the second filter brick 12, and two sides of the second filter brick 12 are inclined; during operation, the restriction to the filter material can be realized through the first filter brick 11 and the second filter brick, the floating of the filter material is avoided, and sewage can be filtered and cleaned through the filter material between the first filter brick 11 and the second filter brick 12.

The top of the second filter brick 12 is fixedly connected with a mounting seat 14, two sides of an inner cavity of the mounting seat 14 are fixedly provided with a second motor 15, the output end of the second motor 15 is fixedly connected with a second rotating shaft 16, the second rotating shaft 16 is sleeved with a semi-ring gear 17, the bottom of the semi-ring gear 17 is meshed with rack plates 18, a spring 19 is fixedly connected between the two rack plates 18, one end of each rack plate 18, which is far away from the spring 19, is fixedly connected with a supporting rod 20, and the other end of each supporting rod 20 is slidably connected with a dirt cleaning plate 21 through a limiting block; when the filter tank works, the second motor 15 drives the second rotating shaft 16 to rotate, so that the semi-ring gear 17 sleeved with the second rotating shaft 16 drives the rack plate 18 to slide, the support rod 20 fixedly connected with the rack plate 18 drives the cleaning plate 21 to clean the washed suspended particles to the pipe orifice of the sewage discharge pipe 13, and then the suspended particles are discharged through the sewage discharge pipe 13, the back washing speed of the filter tank body 2 is improved, when the two rack plates 18 slide reversely under the driving of the semi-ring gear 17, the spring 19 is in a stretching state, when the semi-ring gear 17 is separated from the rack plates 18, the two rack plates 18 are contracted through the elastic potential energy of the spring 19, the two cleaning plates 21 are driven to retract through the support rod 20, when the semi-ring gear 17 is meshed with the rack plates 18 again, the actions are repeated, and the steps are repeated, so that the effect of quickly cleaning the suspended particles in the filter tank body 2 is realized.

A limiting groove is formed in one side, close to the supporting rod 20, of the cleaning plate 21, a limiting block is fixedly connected to one end, away from the spring 19, of the supporting rod 20, the limiting block is connected with the limiting groove in a sliding mode, and the bottom end of the cleaning plate 21 is matched with the inclination angle of the second filter brick 12; during operation, the sliding fit of the limiting block and the limiting groove is adopted, so that the cleaning plate 21 can conveniently ascend along with the inclination angle of the second filter brick 12 when the supporting rod 20 contracts.

A guide groove is formed in the bottom of the inner cavity of the mounting seat 14, a guide block is fixedly connected to the bottom of the rack plate 18, and the guide block is connected with the guide groove in a sliding mode; during operation, the guide block is in sliding fit with the guide groove, so that the rack plate 18 slides to play a role in auxiliary guiding, and the sliding direction deviation of the rack plate 18 is avoided.

Example two

Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, a protective shell 22 is disposed outside the second motor 15, the protective shell 22 is fixedly connected to an inner cavity of the mounting seat 14, and the rotating shaft is rotatably connected to the protective shell 22 through a sealed bearing; when the filter tank works, the protective shell 22 is arranged on the outer side of the second motor 15, so that the water in the filter tank body 2 is prevented from entering the inner cavity of the mounting seat 14 to damage the second motor 15, the normal work of the second motor 15 is influenced, the second motor 15 is protected, and the service life of the second motor 15 is prolonged.

The working principle is that high-pressure water is injected into the bottom of an inner cavity of a filter body 2 through a water inlet pipe 3, filter materials between a first filter brick 11 and a second filter brick 12 are backwashed, gas is injected into a rotating pipe 8 through an air inlet pipe 9 and is sprayed out through a plurality of nozzles arranged on a blowing pipe 10, so that the gas enters the inner cavity of the filter body 2 and rises into the filter materials to oscillate and wash suspended particles on the filter materials, the suspended particles on bottom filter materials are washed to the top of the first filter brick 11, a motor I4 drives a rotating shaft I5 to rotate, and a bevel gear I6 is driven to rotate through the rotation of the rotating shaft I5, a bevel gear II 7 meshed with the bevel gear I6 drives the rotating pipe 8 to rotate, the horizontal axial rotation of the rotating shaft I5 is converted into vertical axial rotation, and the blowing pipe 10 can blow air to the bottom of the filter body 2 in all directions, the washing effect of gas on suspended particles on the filter material is improved, the filter material can be limited through the filter bricks I11 and the filter bricks, the filter material is prevented from floating, the rotating shaft II 16 is driven to rotate through the motor II 15, the rack plates 18 are driven to slide by the semi-ring gear 17 sleeved with the rotating shaft II 16, the support rod 20 fixedly connected with the rack plates 18 drives the cleaning plates 21 to clean the washed suspended particles to the pipe orifice of the sewage discharge pipe 13 and then the suspended particles are discharged through the sewage discharge pipe 13, the back washing speed of the filter tank body 2 is improved, when the two rack plates 18 slide reversely under the driving of the semi-ring gear 17, the spring 19 is in a stretching state, when the semi-ring gear 17 is separated from the rack plates 18, the two rack plates 18 are contracted through the elastic potential energy of the spring 19, and then the two cleaning plates 21 are driven to retract through the support rod 20, and when the semi-ring gear 17 is meshed with the rack plates 18 again, the actions are repeated, so that the effect of quickly removing suspended particles in the filter tank body 2 is realized, the sliding fit of the limiting block and the limiting groove is adopted, the cleaning plate 21 is convenient to ascend along with the inclination angle of the second filter brick 12 when the supporting rod 20 contracts, and the sliding fit between the guide block and the guide groove plays a role in auxiliary guide for the sliding of the rack plate 18, so that the sliding direction deviation of the rack plate 18 is avoided.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims (6)

1. The utility model provides a novel air blast carries out denitrification deep bed filtering pond that waste water washed which characterized in that: comprises a base (1) and a filter body (2), the top of the base (1) is fixedly connected with the bottom end of the filter body (2), the bottom end face of the base (1) is fixedly connected with a water inlet pipe (3), the top end of the water inlet pipe (3) extends to the bottom of the inner cavity of the filter body (2), a first motor (4) is fixedly mounted in the inner cavities of the two sides of the base (1), the output end of the first motor (4) is fixedly connected with a first rotating shaft (5), the first rotating shaft (5) is connected with a rotating pipe (8) through a transmission assembly, the bottom end of the rotating pipe (8) is rotatably connected with an air inlet pipe (9) through a sealing bearing, the top end of the rotating pipe (8) extends to the bottom of the inner cavity of the filter body (2), air blowing pipes (10) are fixedly connected with the two sides of the rotating pipe (8), and a plurality of spray heads are uniformly arranged on the air blowing pipes (10), the bottom of the inner cavity of the filter tank body (2) is provided with a filtering component, and two sides of the filter tank body (2) are fixedly connected with drain pipes (13).

2. The novel denitrification deep-bed filter for flushing wastewater by air blast as claimed in claim 1, is characterized in that: the transmission assembly comprises a first bevel gear (6) and a second bevel gear (7), the first bevel gear (6) is sleeved on the first rotating shaft (5), the first bevel gear (6) is meshed with the second bevel gear (7) and is connected with the second bevel gear (7), and the second bevel gear (7) is sleeved with the rotating pipe (8).

3. The novel denitrification deep-bed filter for flushing wastewater by air blast as claimed in claim 2, is characterized in that: the filter assembly comprises a first filter brick (11) and a second filter brick (12), the inner cavity bottom of the filter tank body (2) is fixedly connected with the first filter brick (11), the first filter brick (11) is arranged above the inner cavity of the filter tank body (2) is fixedly connected with the second filter brick (12), a filter material is filled between the first filter brick (11) and the second filter brick (12), and two sides of the second filter brick (12) are inclined.

4. The novel denitrification deep-bed filter for flushing wastewater by air blast as claimed in claim 3, is characterized in that: the top rigid coupling of filter brick two (12) has mount pad (14), the equal fixed mounting in inner chamber both sides of mount pad (14) has motor two (15), the output and two (16) rigid couplings of pivot of motor two (15), semi-ring gear (17) have been cup jointed on pivot two (16), the bottom and the rack board (18) meshing of semi-ring gear (17) are connected, two the rigid coupling has spring (19) between rack board (18), the one end rigid coupling that rack board (18) deviate from spring (19) has branch (20), the other end of branch (20) passes through stopper and the board (21) sliding connection that decontaminates.

5. The novel denitrification deep-bed filter for flushing wastewater by air blast as claimed in claim 4, is characterized in that: one side that the board of decontaminating (21) is close to branch (20) is equipped with the spacing groove, the one end rigid coupling that branch (20) deviates from spring (19) has the stopper, stopper and spacing groove sliding connection, the bottom of the board of decontaminating (21) suits with the inclination of filter brick two (12).

6. The novel denitrification deep-bed filter for flushing wastewater by air blast as claimed in claim 5, is characterized in that: the bottom of mount pad (14) inner chamber is equipped with the guide way, the bottom rigid coupling of rack plate (18) has the guide block, guide block and guide way sliding connection.

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