CN219197659U

CN219197659U - Low-resistance bypass structure

Info

Publication number: CN219197659U
Application number: CN202223387275.4U
Authority: CN
Inventors: 胡熊; 石仙兵; 庞余; 唐武兵; 赵春
Original assignee: Dazhou Iron and Steel Group Co Ltd
Current assignee: Dazhou Iron and Steel Group Co Ltd
Priority date: 2022-12-17
Filing date: 2022-12-17
Publication date: 2023-06-16
Anticipated expiration: 2032-12-17

Abstract

The utility model relates to the technical field of bypass structures, in particular to a low-resistance bypass structure, which comprises the following technical scheme: the fan comprises a booster fan body, a limiting plate and a screw rod, wherein an air inlet pipe is embedded in one side of the booster fan body, a bypass pipe is installed at one end of the air inlet pipe, deviating from the booster fan body, through a flange plate, a strut is welded at the bottom end of the bypass pipe, a bearing plate is welded at the top of the strut, a motor is placed at the top of the bearing plate, the driving end of the motor is provided with fan blades in an annular array, a bearing is installed at the top of the limiting plate, a screw hole is formed in the top of the bypass pipe, the screw rod is meshed with the screw hole, and the bottom of the screw rod is fixedly connected with an inner ring of the bearing. The utility model has the advantages of accelerating the flow rate of the waste gas, simultaneously detaching the motor from the inside of the bypass pipe and cleaning the motor and the bypass pipe.

Description

Low-resistance bypass structure

Technical Field

The utility model relates to the technical field of bypass structures, in particular to a low-resistance bypass structure.

Background

The desulfurizing tower is tower equipment for desulfurizing industrial waste gas, and before the flue gas enters the desulfurizing tower, the flue gas needs to be pressurized and accelerated by using a booster fan, so that the desulfurizing efficiency of the waste gas in the desulfurizing tower is improved, the resistance of the waste gas can be reduced by a bypass structure, the speed of the waste gas is accelerated, and the waste gas can enter the booster fan more quickly.

When the waste gas circulates in the bypass structure, some impurities contained in the waste gas can be attached to the inside of the bypass structure, and the impurities accumulated on the inner wall of the bypass structure are more, so that the weight of the bypass structure can be increased, the circulating speed of the waste gas in the bypass structure can be influenced, and the inside of the bypass structure needs to be cleaned regularly.

Disclosure of Invention

The utility model aims to provide a low-resistance bypass structure, which has the advantages of accelerating the flow rate of waste gas, simultaneously detaching a motor from the inside of a bypass pipe and cleaning the motor and the bypass pipe, and solves the problem that the bypass structure is inconvenient to clean the inside of the bypass structure.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bypass structure of low resistance, includes booster fan body, limiting plate and screw rod, the intake pipe is installed in booster fan body one side embedding, the one end that the intake pipe deviates from booster fan body is installed through the ring flange and is passed through the bypass pipe, the inside bottom welding pillar of bypass pipe, the welding of pillar top has the loading board, the motor has been placed at the loading board top, the motor driving end is annular array and installs the flabellum, the bearing is installed at the limiting plate top, the screw has been seted up at the bypass pipe top, screw and screw meshing are connected, screw rod bottom and bearing inner ring fixed connection.

When using the bypass structure of a low resistance in this technical scheme, connect the exhaust pipe at booster fan body top desulfurizing tower, the one end that the bypass pipe deviates from booster fan body stretches into the exhaust pipe inside, start booster fan body, the mesh entering bypass pipe that mesh two was passed to waste gas, the mesh entering bypass pipe that mesh one was passed to waste gas, the starter motor, motor drive gives the flabellum, the flabellum accelerates the velocity of flow of the inside waste gas of bypass pipe, blow the waste gas to the intake pipe inside, booster fan body absorbs waste gas through the intake pipe, the rethread exhaust pipe carries for the desulfurizing tower.

Preferably, a fixing seat is arranged at the bottom of the booster fan body. The fixing base provides supporting force for the booster fan body.

Preferably, the top of the booster fan body is embedded with an exhaust pipe. The booster fan body conveys waste gas to the desulfurizing tower through the exhaust pipe.

Preferably, the two sides of the bypass pipe are communicated, the bypass pipe is communicated with the inside of the air inlet pipe, a second grid is arranged on the inner side of one end, away from the air inlet pipe, of the bypass pipe, and meshes are formed in the second grid. The waste gas enters the bypass pipe through the meshes of the second grid frame, and then enters the air inlet pipe from the bypass pipe, so that the second grid frame prevents large-volume foreign matters from entering the bypass pipe.

Preferably, the two ends of the bypass pipe are respectively provided with a movable hole, the inner sides of the two movable holes are respectively provided with a first grid frame, and the first grid frames are respectively provided with meshes. The exhaust gas enters the bypass pipe through the mesh openings of the first grid.

Preferably, a fixed disc is welded at the top of the screw, and the bottom of the fixed disc is parallel to the top of the bypass pipe. The screw is conveniently rotated by using the fixed disc.

Preferably, the limiting plate compresses tightly the motor and fixes on the loading board. The motor is fixed inside the bypass pipe by the limiting plate and the bearing plate.

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

1. according to the utility model, through arranging the screw rod, the motor and the fan blades, waste gas enters the bypass pipe, the motor is started, the motor drives the fan blades, the fan blades quicken the flow rate of the waste gas in the bypass pipe, the waste gas is blown into the air inlet pipe, the booster fan body sucks the waste gas through the air inlet pipe, the bypass pipe is taken down from the air inlet pipe, the screw rod is rotated in the direction of the fixed disc, the screw rod drives the limiting plate to ascend, the limiting plate leaves the motor, the motor can be taken out from an opening on the side face of the bypass pipe, the motor and the inner wall of the bypass pipe are cleaned, the flow rate of the waste gas is quickened, and meanwhile, the motor can be detached from the inside of the bypass pipe, so that the motor and the bypass pipe are cleaned.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic cross-sectional view of a bypass tube of the present utility model;

FIG. 3 is a right-side view of the bypass pipe according to the present utility model.

In the figure: 1. a fixing seat; 2. a booster fan body; 3. an exhaust pipe; 4. a fixed plate; 5. a bypass pipe; 6. a movable hole; 7. a first grid; 8. a flange plate; 9. an air inlet pipe; 10. a fan blade; 11. a carrying plate; 12. a limiting plate; 13. a screw hole; 14. a screw; 15. a bearing; 16. a motor; 17. a support post; 18. and a second grid frame.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1-3, the low-resistance bypass structure provided by the utility model comprises a booster fan body 2, a limiting plate 12 and a screw 14, wherein an air inlet pipe 9 is embedded and installed on one side of the booster fan body 2, a fixed seat 1 is installed at the bottom of the booster fan body 2, an exhaust pipe 3 is embedded and installed at the top of the booster fan body 2, a bypass pipe 5 is installed at one end, which is far away from the booster fan body 2, of the air inlet pipe 9 through a flange 8, two sides of the bypass pipe 5 are communicated with the inside of the air inlet pipe 9, a grid frame two 18 is installed at the inner side, which is far away from one end of the air inlet pipe 9, the grid frame two 18 is provided with meshes, movable holes 6 are respectively formed at the front end and the rear end of the bypass pipe 5, a grid frame one 7 is respectively installed at the inner side of the two movable holes 6, meshes are respectively formed at the two grid frames one 7, a strut 17 is welded at the bottom end inside the bypass pipe 5, a bearing plate 11 is welded at the top of the strut 17, a motor 16 is placed at the top of the bearing plate 11, a fan 10 is installed at the top of the annular array at the motor 16, a bearing 15 is installed at the top of the limiting plate 12, screw holes 13 are formed at the top of the bypass pipe 5, the screw hole 13 is meshed with the

screw holes

14 and 13, the screw hole 14 is connected with the inner ring 15 at the bottom of the motor 16 in a meshed connection mode, the screw plate is fixedly connected with the screw 4 at the bottom of the screw 4, and the top 4 is fixedly connected with the top 4 at the top of the screw 4.

In this embodiment, provide holding power for booster fan body 2 through fixing base 1, connect the desulfurizing tower with the exhaust pipe 3 at booster fan body 2 top, the one end that the bypass pipe 5 deviates from booster fan body 2 stretches into the exhaust pipe inside, start booster fan body 2, the mesh that the waste gas passed through grid two 18 gets into bypass pipe 5, the mesh that the waste gas passed through grid one 7 gets into bypass pipe 5, start motor 16, motor 16 transmits for flabellum 10, the velocity of flow of the inside waste gas of bypass pipe 5 is accelerated to flabellum 10, blow exhaust gas into inside intake pipe 9, booster fan body 2 draws waste gas through intake pipe 9, rethread exhaust pipe 3 carries the desulfurizing tower, take off bypass pipe 5 from intake pipe 9, use fixed disk 4 orientation rotation screw 14, screw 14 drives limiting plate 12 and rises, make limiting plate 12 leave motor 16, get out motor 16 from the opening of bypass pipe 5 side, clear up motor 16 and bypass pipe 5 inner wall.

Example two

As shown in fig. 1-3, the present utility model provides a low-resistance bypass structure, which further includes: the inner sides of one end, away from the air inlet pipe 9, of the bypass pipe 5 are provided with the grid frame two 18, the grid frame two 18 is provided with meshes, the front end and the rear end of the bypass pipe 5 are respectively provided with movable holes 6, the inner sides of the two movable holes 6 are respectively provided with the grid frame one 7, and the two grid frames one 7 are respectively provided with the meshes.

In this embodiment, the first and

second mesh frames

7 and 18 prevent a large volume of foreign matter from entering the bypass pipe 5 without affecting the exhaust gas entering the bypass pipe 5.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 a bypass structure of low resistance, includes booster fan body (2), limiting plate (12) and screw rod (14), its characterized in that: the utility model discloses a booster fan, including booster fan body (2), intake pipe (9), bypass pipe (5) are installed through ring flange (8) to intake pipe (9) one end deviating from booster fan body (2), inside bottom welding pillar (17) of bypass pipe (5), pillar (17) top welding has loading board (11), motor (16) have been placed at loading board (11) top, motor (16) driving end is annular array and installs flabellum (10), bearing (15) are installed at limiting plate (12) top, screw (13) have been seted up at bypass pipe (5) top, screw (14) and screw (13) meshing are connected, screw (14) bottom and bearing (15) inner ring fixed connection.

2. A low drag bypass structure according to claim 1, wherein: the bottom of the booster fan body (2) is provided with a fixing seat (1).

3. A low drag bypass structure according to claim 1, wherein: the top of the booster fan body (2) is embedded with an exhaust pipe (3).

4. A low drag bypass structure according to claim 1, wherein: the two sides of the bypass pipe (5) are communicated, the bypass pipe (5) is communicated with the inside of the air inlet pipe (9), a second grid frame (18) is arranged on the inner side of one end, deviating from the air inlet pipe (9), of the bypass pipe (5), and meshes are formed in the second grid frame (18).

5. A low drag bypass structure according to claim 1, wherein: the two ends around by-pass pipe (5) have offered movable hole (6) respectively, and grid frame one (7) are installed respectively to two movable hole (6) inboard, and the mesh has been seted up respectively to two grid frame one (7).

6. A low drag bypass structure according to claim 1, wherein: the top of the screw (14) is welded with a fixed disc (4), and the bottom of the fixed disc (4) is parallel to the top of the bypass pipe (5).

7. A low drag bypass structure according to claim 1, wherein: the limiting plate (12) is used for pressing and fixing the motor (16) on the bearing plate (11).