CN211226579U - Roots blower for sewage treatment system - Google Patents

Abstract

The utility model discloses a roots's fan for among sewage treatment system relates to roots's fan field, the on-line screen storage device comprises a base, the top of base is provided with fan shell, the top of base is located one side of fan shell and installs the motor, the output of motor is connected with the main shaft, the main shaft runs through the outside of fan shell and extends to the internal connection of fan shell has the three leaf impellers of multiunit, the bottom of fan shell is provided with the gas outlet. The utility model discloses a buffer spring, hush pipe and asbestos layer that set up, when roots's fan moves, three leaf impellers rotate and can produce the vibration, the vibration passes through in fan shell transmits buffer spring, buffer spring will vibrate the absorption, reduce the friction between fan shell and the base, the noise abatement, and the compression of three leaf impellers to the air with decompress, make air and pipeline collision produce the noise, can produce the problem of great noise when effectively having solved roots's fan moves.

Description

Roots blower for sewage treatment system

Technical Field

The utility model relates to a roots's fan field specifically is a roots's fan for among sewage treatment system.

Background

In sewage treatment, aeration treatment is required to be carried out on sewage, volatile substances in the sewage are separated from water through air, aerobic bacteria in the sewage are accelerated to propagate, organic matters in the sewage are decomposed, a Roots blower is generally used for passing through the sewage for ventilation, and a three-blade Roots blower is generally used for improving working efficiency, is a double-impeller synchronous compression machine, is supported by two bearings for each three-blade rotor, and is a positive displacement blower which has a forced gas transmission characteristic and keeps the relative position of the two rotors unchanged all the time by utilizing a pair of synchronous gears.

Roots's fan among the sewage treatment system who uses in the market now, in order to prevent when not using that the foreign matter from entering into the fan, can use the shroud to protect the fan at the air inlet, however, roots's fan's air inlet all can link to each other with external pipeline basically, the inconvenient shroud that uses, the shroud also loses very easily, and when the fan starts, there is a large amount of noises to produce, can cause certain influence to staff on every side, influence staff's mood, reduce work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that a cover cap cannot protect a fan conveniently and a Roots fan generates large noise when in operation, the Roots fan for the sewage treatment system is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a Roots blower for a sewage treatment system comprises a base, wherein a blower shell is arranged at the top end of the base, a motor is arranged at one side, located at the blower shell, of the top end of the base, the output end of the motor is connected with a main shaft, the main shaft penetrates through the outer side of the blower shell and extends to the inside of the blower shell to be connected with a plurality of groups of three-blade impellers, an air outlet is formed in the bottom end of the blower shell, a silencing pipe is arranged at one side of the air outlet, an asbestos layer is arranged inside the silencing pipe, a plurality of groups of buffer springs are arranged at the two sides, located at the bottom end of the blower shell, of the silencing pipe, an air outlet is formed in the top end of the blower shell, a connecting pipe is arranged at the top end of the air outlet, a plurality of groups of, the inside of swivel is located the below of cross card strip and is connected with the multiunit and supports the pole, and one side of every group supports the pole and is connected with the barrier.

Preferably, a thread is formed on one side of the silencing pipe, and the silencing pipe is rotatably connected with the air outlet through the thread.

Preferably, a connecting column is arranged inside the buffer spring, and the fan shell is fixedly connected with the base through the buffer spring and the connecting column.

Preferably, a plurality of groups of through holes are formed in the three-blade impeller, and the through holes are formed in cylindrical blades of the three-blade impeller.

Preferably, the support rod is slidably connected with the connecting pipe through a sliding groove, and the length of the support rod is smaller than the arm length of the cross-shaped clamping strip.

Preferably, one side of the barrier is fixedly connected with the inner wall of the cross clamping strip, and the unfolding shape of the barrier is matched with the gap between the cross clamping strips.

Preferably, the bottom end of the connecting pipe is provided with threads, and the connecting pipe is rotatably connected with the air inlet through the threads.

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

1. the utility model discloses a change, cross card strip, support rod, protective screen, spout and the connecting pipe that set up, when the motor did not use, through rotating the change, the change drove multiunit support rod and rotates, and support rod drove one side of protective screen and moves, made the protective screen expand and cover the space between the cross card strip, made the protective screen seal the connecting pipe, prevented that external debris from entering into in the fan, when the outside of fan air intake is connected with the pipeline, also can make the protective screen protect the fan inside through rotating the change, effectively solved the inconvenient problem of protecting the fan of shroud;

2. through the buffer spring who sets up, amortization pipe and asbestos layer, when roots's fan moves, three leaf impellers rotate and can produce the vibration, the vibration transmits buffer spring in through the fan shell, buffer spring will vibrate the absorption, reduce the friction between fan shell and the base, the noise abatement, and the compression of three leaf impellers to the air with decompress, make air and pipeline collision produce the noise, after the amortization pipe is passed through to the compressed air, the asbestos layer can effectual reduction wind to the friction of pipeline, the production of noise is reduced, the problem that can produce great noise when roots's fan moves has effectively been solved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is a schematic top sectional view of the connecting tube of the present invention;

fig. 4 is a schematic view of the swivel structure of the present invention;

fig. 5 is a schematic view of the structure of the connecting pipe of the present invention.

In the figure: 1. a base; 2. a fan housing; 3. a sound-deadening tube; 4. a buffer spring; 5. a main shaft; 6. a connecting pipe; 7. a motor; 8. an air outlet; 9. an asbestos layer; 10. an air inlet; 11. a three-bladed impeller; 12. a through hole; 13. rotating the ring; 14. a cross clamping strip; 15. a support rod; 16. a barrier; 17. a chute.

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.

The motors mentioned in the utility model (the model is 80yyjt) can be obtained by market or private ordering.

Referring to fig. 1-5, a roots blower for a sewage treatment system comprises a base 1, a blower housing 2 is arranged at the top end of the base 1, a motor 7 is arranged at one side of the blower housing 2 at the top end of the base 1, an output end of the motor 7 is connected with a main shaft 5, the main shaft 5 penetrates through the outer side of the blower housing 2 and extends to the inside of the blower housing 2 to be connected with a plurality of groups of three-blade impellers 11, an air outlet 8 is arranged at the bottom end of the blower housing 2, a silencing pipe 3 is arranged at one side of the air outlet 8, an asbestos layer 9 is arranged inside the silencing pipe 3, a plurality of groups of buffer springs 4 are arranged at the bottom end of the blower housing 2 at two sides of the silencing pipe 3, the air outlet 8 is arranged at the top end of the air outlet 8, a connecting pipe 6 is arranged at the top end of the, the outer side of the connecting pipe 6 is provided with a rotating ring 13, the inner part of the rotating ring 13 is positioned below the cross clamping strip 14 and is connected with a plurality of groups of supporting rods 15, and one side of each group of supporting rods 15 is connected with a barrier 16.

Please refer to fig. 2, a thread is formed on one side of the muffler pipe 3, and the muffler pipe 3 is rotatably connected with the air outlet 8 through the thread, so that the muffler pipe 3 can be conveniently detached from the blower, and the maintenance of the muffler pipe 3 is convenient.

Please refer to fig. 1, the inside of the buffer spring 4 is provided with a connection column, and the blower housing 2 is fixedly connected with the base 1 through the buffer spring 4 and the connection column, so that the blower housing 2 can be stably fixed on the base 1.

Please refer to fig. 2, a plurality of sets of through holes 12 are formed inside the three-blade impeller 11, the through holes 12 are located inside the cylindrical blades of the three-blade impeller 11, and the through holes 12 can effectively reduce the mass of the three-blade impeller 11, reduce the energy consumption of the motor 7, and save the cost.

Referring to fig. 4, the supporting rod 15 is slidably connected to the connecting tube 6 through the sliding slot 17, and the length of the supporting rod 15 is smaller than the arm length of the cross-shaped clamping strip 14, so that the rotating ring 13 can be fixed on the outer side of the connecting tube 6.

Please refer to fig. 4, one side of the barrier 16 is fixedly connected to the inner wall of the cross fastening strips 14, and the spreading shape of the barrier 16 matches the gap between the cross fastening strips 14, so that the barrier 16 can spread in the gap between the cross fastening strips 14 to fill the gap between the cross fastening strips 14.

Please refer to fig. 5, the bottom end of the connecting pipe 6 is provided with a thread, and the connecting pipe 6 is rotatably connected with the air inlet 10 through the thread, so that the connecting pipe 6 can be disassembled, and the rotary ring 13 can be conveniently inspected and maintained.

The working principle is as follows: the equipment is connected with an external power supply to enable the equipment to normally operate, firstly, the motor 7 is started, the output end of the motor 7 drives the main shaft 5 to rotate, the main shaft 5 drives one group of three-blade impellers 11 to rotate and drives the other group of three-blade impellers 11 to synchronously rotate through a gear, air enters from the air inlet 10, is compressed by the two groups of three-blade impellers 11 and is conveyed to the air outlet 8, the air is decompressed when the air outlet 8 is used, the air can be discharged from the air outlet 8 at a high speed to form air, the air enters the silencing pipe 3 from the air outlet 8, the asbestos layer 9 in the silencing pipe 3 can reduce the friction of the air on a pipeline, turbulent flow in the air is absorbed through gaps in the asbestos layer 9, the impact of the air on the pipeline is reduced, the noise is reduced, and when the Roots blower operates, the three-blade impellers 11 rotate to generate vibration which is transmitted into the buffer spring 4 through the blower shell, reduce the striking between fan shell 2 and the base 1, noise abatement, can effectual noise reduction, reduce the influence to the staff, prevent that the noise reduces staff's mood, thereby improve work efficiency, wind reaches in the external waste water treatment equipment through hush pipe 3, aerate sewage, when need not use roots's fan, through rotating swivel 13, swivel 13 drives multiunit support rod 15 and rotates, support rod 15 drives one side removal of protective screen 16, make protective screen 16 expand and cover the space between the cross card strip 14, make protective screen 16 seal connecting pipe 6, prevent that external debris from entering into in the fan, and when being connected with the pipeline in the outside of fan air inlet 10, also can make protective screen 16 protect the fan inside through rotating swivel 13, improve the life of fan.

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 (7)

1. The utility model provides a roots's fan for among sewage treatment system, includes base (1), its characterized in that: the fan is characterized in that a fan shell (2) is arranged at the top end of the base (1), a motor (7) is installed at one side, located at the fan shell (2), of the top end of the base (1), the output end of the motor (7) is connected with a main shaft (5), the main shaft (5) penetrates through the outer side of the fan shell (2) and extends to the interior of the fan shell (2) to be connected with a plurality of groups of three-blade impellers (11), an air outlet (8) is formed in the bottom end of the fan shell (2), a silencing pipe (3) is arranged at one side of the air outlet (8), an asbestos layer (9) is arranged inside the silencing pipe (3), a plurality of groups of buffer springs (4) are arranged at two sides, located at the silencing pipe (3), of the top end of the fan shell (2) is provided with the air outlet (8), and a connecting pipe (6, the outer wall of connecting pipe (6) is provided with multiunit spout (17), the inside of connecting pipe (6) is provided with cross card strip (14), the outside of connecting pipe (6) is provided with swivel (13), the below that the inside of swivel (13) is located cross card strip (14) is connected with multiunit support rod (15), every group one side of support rod (15) is connected with barrier (16).

2. The roots blower for use in a sewage treatment system of claim 1, wherein: one side of the silencing pipe (3) is provided with a thread, and the silencing pipe (3) is rotatably connected with the air outlet (8) through the thread.

3. The roots blower for use in a sewage treatment system of claim 1, wherein: the fan is characterized in that a connecting column is arranged inside the buffer spring (4), and the fan shell (2) is fixedly connected with the base (1) through the buffer spring (4) and the connecting column.

4. The roots blower for use in a sewage treatment system of claim 1, wherein: a plurality of groups of through holes (12) are formed in the three-blade impeller (11), and the through holes (12) are located in cylindrical blades of the three-blade impeller (11).

5. The roots blower for use in a sewage treatment system of claim 1, wherein: the supporting rod (15) is connected with the connecting pipe (6) in a sliding mode through the sliding groove (17), and the length of the supporting rod (15) is smaller than the arm length of the cross clamping strip (14).

6. The roots blower for use in a sewage treatment system of claim 1, wherein: one side of the barrier (16) is fixedly connected with the inner wall of the cross clamping strip (14), and the unfolding shape of the barrier (16) is matched with the gap between the cross clamping strips (14).

7. The roots blower for use in a sewage treatment system of claim 1, wherein: the bottom of connecting pipe (6) is provided with the screw thread, connecting pipe (6) are connected with air inlet (10) through the screw thread rotation.

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