CN210686437U

CN210686437U - Structure-optimized smoke duct

Info

Publication number: CN210686437U
Application number: CN201921853780.9U
Authority: CN
Inventors: 宋凯华; 唐相初; 董彪
Original assignee: Shandong Heat Energy And Electric Power Design Institute
Current assignee: Shandong Heat Energy And Electric Power Design Institute
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-05
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a structure optimization's cigarette wind channel, including casing and diffusion body, the inside of casing is provided with the flabellum, and the inboard of flabellum installs the pivot, the upside of casing sets up the connecting block, and the top of connecting block has seted up the draw-in groove, the diffusion body sets up in the upside of card foot, and the inner wall of diffusion body installs the stopper, the inboard of stopper is provided with the spacing groove, and states the bottom side of spacing groove and install the deflector, the device's diffusion body has three kinds of shapes of notch cuttype, curve and frustum type, when fan export α is in 20-30, through adopting the diffusion body of notch cuttype or curve for air outlet wind channel vibration range reduces, when fan export α more than or equal to 30, through adopting the diffusion body of frustum type, the cooperation deflector uses, makes air outlet wind channel vibration range reduce, thereby reduce tearing of wind to the diffusion body effectively, makes diffusion body's life increase.

Description

Structure-optimized smoke duct

Technical Field

The utility model relates to the technical field of pipelines, specifically a smoke air duct of configuration optimization.

Background

The fan is a driven fluid machine, is a short form of Chinese habit for gas compression and gas delivery machines, and generally comprises a ventilator, a blower and a wind driven generator, and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and ventilation and induced air of boilers and industrial furnaces and kilns.

The existing smoke air channel comprises a plurality of newly-built boilers or boilers which are already in operation, wherein the air channel and a flue have vibration of different degrees, particularly the air channel at the outlet of a fan is easy to cause the problems that the air channel at the outlet of the fan is frequently torn during operation and forced to be shut down for repair welding, and therefore a better smoke air channel is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a smoke wind channel of configuration optimization to solve the smoke wind channel that proposes in the above-mentioned background art, present a lot of newly-built boilers or the boiler that has moved, wind channel and flue all have the vibration of different degrees, especially fan export wind channel, cause the fan export wind channel in the operation frequently to be torn easily, forced blowing out repair welding's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a structure optimization's cigarette wind channel, includes casing and diffusion body, the inside of casing is provided with the flabellum, and the inboard of flabellum installs the pivot, the upside of casing sets up the connecting block, and the top of connecting block has seted up the draw-in groove, the card foot is installed to the inboard of draw-in groove, the diffusion body sets up in the upside of card foot, and the inner wall of diffusion body installs the stopper, the inboard of stopper is provided with the spacing groove, and states the bottom side of spacing groove and install the deflector, the upside of diffusion body is provided with the air outlet.

Preferably, the clamping pins are matched with the clamping grooves in overall dimension, and the connecting block forms a clamping structure with the clamping pins through the clamping grooves.

Preferably, the diffusion pipe body is in a step shape, a curve shape or a frustum shape, and the diffusion pipe body and the inside of the casing form a communication structure.

Preferably, connecting bolts are installed in the middle of the clamping feet, and the connecting blocks form a detachable structure with the clamping feet through the connecting bolts.

Preferably, the guide plates are uniformly distributed along the inner side of the diffusion pipe body, and the outer dimensions of the guide plates and the limiting grooves are matched.

Preferably, the tail part of the guide plate is provided with a locking bolt, and the guide plate forms a clamping structure through the locking bolt and the limiting block.

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

1. the device is provided with a diffusion tube body, wherein the diffusion tube body has three shapes of a step type, a curve type and a frustum type, when the fan outlet α is at 20-30 degrees, the vibration amplitude of an air outlet air channel is reduced by adopting the step type or curve type diffusion tube body, so that the tearing of air to the diffusion tube body is effectively reduced, when the fan outlet α is more than or equal to 30 degrees, the vibration amplitude of the air outlet air channel is reduced by adopting the frustum type diffusion tube body and matching with a guide plate, so that the tearing of air to the diffusion tube body is effectively reduced, and the service life of the diffusion tube body is prolonged;

2. the clamping groove is arranged, and the clamping pin is conveniently inserted into the clamping groove to assist in installation and positioning due to the fact that the clamping groove is matched with the clamping pin; the wind diversion pipe is provided with a guide plate, and wind is diverted by utilizing the guide plate and is matched with a frustum-shaped diffusion pipe body for use; the guide plate is arranged in the limiting groove by using the locking bolt, so that the guide plate is convenient to disassemble;

3. be provided with connecting bolt, because link to each other through connecting bolt between card foot and the connecting block, utilize connecting bolt's detachability for convenient the dismantlement between card foot and the connecting block, convenient suitable diffusion body is changed according to the use needs.

Drawings

FIG. 1 is a schematic view of a frustum-shaped air duct structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the clip and the connecting block of the present invention;

FIG. 3 is a schematic view of the connection structure of the guiding plate and the diffusion tube of the present invention;

FIG. 4 is a schematic view of the connection structure of the guide plate and the diffusion tube of the present invention;

FIG. 5 is a schematic view of the curved air duct structure of the present invention;

fig. 6 is the utility model discloses notch cuttype wind channel structure sketch map.

In the figure: 1. a housing; 2. a fan blade; 3. a rotating shaft; 4. connecting blocks; 5. a card slot; 6. clamping a pin; 7. a connecting bolt; 8. a diffusion tube body; 9. a limiting block; 10. a limiting groove; 11. a guide plate; 12. locking the bolt; 13. and (7) air outlet.

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.

Example 1, FIGS. 1-4.

The utility model provides a technical scheme: a smoke air duct with an optimized structure comprises a machine shell 1 and a diffusion pipe body 8, wherein fan blades 2 are arranged inside the machine shell 1, a rotating shaft 3 is arranged on the inner side of each fan blade 2, a connecting block 4 is arranged on the upper side of the machine shell 1, a clamping groove 5 is formed in the top of the connecting block 4, a clamping pin 6 is arranged on the inner side of the clamping groove 5, the shape and the size of the clamping pin 6 are matched with those of the clamping groove 5, a clamping structure is formed between the connecting block 4 and the clamping pin 6 through the clamping groove 5, the clamping pin 6 is matched with the clamping groove 5, the clamping pin 6 is inserted into the clamping groove 5, the clamping pin 6 is fixed on the connecting block 4, the device is provided with the clamping groove 5, and the clamping pin 6 is; the diffusion tube body 8 is arranged on the upper side of the clamping pin 6, the inner wall of the diffusion tube body 8 is provided with the limiting block 9, the connecting bolt 7 is arranged in the middle of the clamping pin 6, the connecting block 4 forms a detachable structure with the clamping pin 6 through the connecting bolt 7, the clamping pin 6 is connected with the connecting block 4 through the connecting bolt 7, the connecting bolt 7 is detachable, the connecting bolt 7 is detached, the clamping pin 6 and the connecting block 4 can be separated, the connecting bolt 7 is arranged, the clamping pin 6 is connected with the connecting block 4 through the connecting bolt 7, and the connecting bolt 6 is conveniently detached from the connecting block 4 through the detachability of the connecting bolt 7, so that the proper diffusion tube body 8 can be conveniently replaced according to use requirements;

the inner side of the limiting block 9 is provided with a limiting groove 10, the bottom side of the limiting groove 10 is provided with a guide plate 11, the guide plate 11 is uniformly distributed along the inner side of the diffusion tube body 8, the outer dimensions of the guide plate 11 and the limiting groove 10 are matched, the guide plate 11 is uniformly distributed in the diffusion tube body 8, the guide plate 11 is matched with the limiting groove 10, the guide plate 11 can be clamped in the limiting groove 10, the guide plate 11 is arranged, and the guide plate 11 is used for shunting wind and is matched with the frustum-shaped diffusion tube body 8; the tail part of the guide plate 11 is provided with a locking bolt 12, the guide plate 11 forms a clamping structure with the limiting block 9 through the locking bolt 12, the guide plate 11 is connected with the limiting block 9 through the locking bolt 12, the locking bolt 12 is screwed, the guide plate 11 is fixed with the limiting block 9 and provided with the locking bolt 12, and the guide plate 11 is installed in the limiting groove 10 through the locking bolt 12, so that the guide plate 11 is convenient to disassemble;

the upper side of the diffusion tube body 8 is provided with an air outlet 13, the diffusion tube body 8 is in a step type, a curve type or a frustum type, the diffusion tube body 8 and the inside of the casing 1 form a communicating structure, the diffusion tube body 8 is in a hollow structure, the diffusion tube body 8 is connected with the outlet of the casing 1 and is provided with the diffusion tube body 8, the diffusion tube body 8 has three shapes of a step type, a curve type and a frustum type, when the outlet α of the fan is between 20 degrees and 30 degrees, the vibration amplitude of an air channel of the air outlet 13 is reduced by adopting the step type or the curve type diffusion tube body 8, so that the tearing of the air to the diffusion tube body 8 is effectively reduced, when the outlet α of the fan is more than or equal to 30 degrees, the vibration amplitude of the air channel of the air outlet 13 is reduced by adopting the frustum type diffusion tube body 8 and matching with the guide plate 11, the tearing of the diffusion tube body 8 by the air.

The working principle of the smoke air duct is that firstly, the cone-frustum-shaped diffusion tube body 8 is taken out by determining that an air outlet α is more than or equal to 30 degrees when the smoke air duct works, the number of guide plates 11 to be used is determined according to the actual angle α, the number n of the guide plates 11 is determined according to a diffusion angle α, the number α is 30 degrees, the number n is 2 degrees, the number α is 45 degrees, the number n is 4 degrees, the number α is 60 degrees to 90 degrees, the number n is 6 degrees, the number α is 100 degrees, the number n is 8 degrees, the guide plates 11 with proper number are determined, the guide plates 11 are uniformly installed in the diffusion tube body 8, the guide plates 11 are inserted into the limiting blocks 9 along the limiting grooves 10, after the guide plates are placed, the locking bolts 12 are inserted, the locking bolts 12 are screwed, the guide plates 11 are fixed, when the smoke air duct is used, the clamping pins 6 of the diffusion tube body 8 are aligned to the clamping grooves 5, the clamping pins 6 are screwed to the connecting bolts 7, the clamping pins 6 are fixed on the connecting block, the connecting block is connected with the device, when the smoke air duct is used, the device is connected with the fan blade device, and the fan blade is driven to flow into the fan blade device, so that the whole fan blade flows into the fan blade 1 and the fan blade is driven to flow into.

Example 2, figure 5.

When the diffusion tube 8 is selected when the diffusion angle α is 20-30 degrees, the curved diffusion tube 8 is selected, the clamping pin 6 at the bottom side of the diffusion tube 8 is aligned with the clamping groove 5, the clamping pin 6 is inserted into the clamping groove 5, the connecting bolt 7 is screwed down, the clamping pin 6 is fixed on the connecting block 4, and the diffusion tube 8 is mounted on the casing 1 as shown in fig. 5.

Example 3, fig. 6.

When the diffusion tube 8 is selected when the diffusion angle α is 20-30 degrees, the stepped diffusion tube 8 is selected, the clamping pin 6 at the bottom side of the diffusion tube 8 is aligned with the clamping groove 5, the clamping pin 6 is inserted into the clamping groove 5, the connecting bolt 7 is screwed, the clamping pin 6 is fixed on the connecting block 4, and the diffusion tube 8 is mounted on the casing 1 as shown in fig. 6.

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

Claims

1. The utility model provides a flue duct of configuration optimization, includes casing (1) and diffusion body (8), its characterized in that: the inside of casing (1) is provided with flabellum (2), and pivot (3) are installed to the inboard of flabellum (2), the upside of casing (1) sets up connecting block (4), and the top of connecting block (4) has seted up draw-in groove (5), card foot (6) are installed to the inboard of draw-in groove (5), diffusion body (8) set up in the upside of card foot (6), and the inner wall of diffusion body (8) installs stopper (9), the inboard of stopper (9) is provided with spacing groove (10), and states the bottom side of spacing groove (10) and install deflector (11), the upside of diffusion body (8) is provided with air outlet (13).

2. A structurally optimised flue gas duct according to claim 1, wherein: the clamping pins (6) are matched with the clamping grooves (5) in overall dimension, and the connecting block (4) forms a clamping structure with the clamping pins (6) through the clamping grooves (5).

3. A structurally optimised flue gas duct according to claim 1, wherein: the diffusion pipe body (8) is in a step shape, a curve shape or a frustum shape, and the diffusion pipe body (8) and the inside of the shell (1) form a communicating structure.

4. A structurally optimised flue gas duct according to claim 1, wherein: connecting bolt (7) are installed to the intermediate position of card foot (6), connecting block (4) pass through between connecting bolt (7) and card foot (6) and constitute detachable construction.

5. A structurally optimised flue gas duct according to claim 1, wherein: the guide plates (11) are uniformly distributed along the inner side of the diffusion pipe body (8), and the guide plates (11) are matched with the limiting grooves (10) in overall dimension.

6. A structurally optimised flue gas duct according to claim 1, wherein: the tail of the guide plate (11) is provided with a locking bolt (12), and the guide plate (11) forms a clamping structure with the limiting block (9) through the locking bolt (12).