CN208380941U - A kind of two fans - Google Patents
A kind of two fans Download PDFInfo
- Publication number
- CN208380941U CN208380941U CN201820874734.6U CN201820874734U CN208380941U CN 208380941 U CN208380941 U CN 208380941U CN 201820874734 U CN201820874734 U CN 201820874734U CN 208380941 U CN208380941 U CN 208380941U
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- Prior art keywords
- supply tube
- air supply
- spare
- main air
- main
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Abstract
The utility model relates to a kind of blowers, it is intended to provide a kind of two fans, its key points of the technical solution are that including main air blower, standby fan, the main air supply tube being connected at main air blower air outlet, the spare air supply tube being connected at standby fan air outlet, discharge pipe, main air supply tube and spare air supply tube are connected to discharge pipe respectively, windscreen component is equipped in main air supply tube and spare air supply tube, windscreen component includes connecting plate, connection frame, connection sheet, limit plate and baffle, connecting plate is respectively equipped in main air supply tube and spare air supply tube, limit plate is respectively equipped in main air supply tube and spare air supply tube, connection frame is arranged on connecting plate, one end of connection sheet is articulated with connection frame, the other end connects baffle, when passing through in main air supply tube and spare air supply tube without air-flow, one end of baffle and connecting plate contradict, the other end and limit plate contradict.It can continue to convey flue gas in case of a failure, and flue gas recirculation is avoided to be affected.
Description
Technical field
The utility model relates to a kind of blowers, more specifically, it relates to a kind of two fans.
Background technique
In boiler combustion process, in order to reduce the generation of NOX, reduce NOX usually using the mode of flue gas recirculation
Generation, specific swirling eddy strengthens fuel and mixes with the turbulent fluctuation of air, while the part low temperature that boiler tail is discharged
Flue gas mixed before burner inlet with the air of burning, and fire box temperature further decreases, and reduces the content of NOX, grinds
Study carefully confirmation: the reduction of ignition temperature can realize by the way that flue gas is added in flame region, the smoke absorption partial heat of addition
To reduce ignition temperature, by the way that combustion product flue gas to be then added in combustion zone, ignition temperature is not only reduced, is subtracted
NOX generation is lacked, while the flue gas being added reduces the content of flue gas, this will weaken oxygen and nitrogen generates thermal NO X's
Process, to reduce the generation of NOX.
Notification number is that the Chinese patent of CN202659566U discloses a kind of blower, including Blower Housing, motor and impeller,
Blower Housing rear end be equipped with motor, impeller be arranged in Blower Housing, be connected with the output shaft of motor, impeller include front shroud,
Back shroud and blade, circular array shows more blades between front shroud and back shroud, and blade is vertically arranged in front shroud and rear cover
Between plate；Blade is arc-shaped；The extended line that the outer side center of blade is connected with medial center passes through the circle of front shroud and back shroud
The heart.
Although combustion product flue gas can be siphoned away and be then added to combustion zone by this blower, blower works long hours
It easily breaks down, if blower breaks down, will lead to can not continue to convey flue gas, to cannot achieve flue gas recirculation.
Utility model content
In view of the deficienciess of the prior art, can go out the purpose of this utility model is to provide a kind of two fans
Continue to convey flue gas in the case where existing failure, flue gas recirculation is avoided to be affected.
To achieve the above object, the utility model provides following technical solution:
A kind of two fans including main air blower, standby fan, the main air supply tube being connected at main air blower air outlet, are connected to
Spare air supply tube, discharge pipe at standby fan air outlet, the main air supply tube and spare air supply tube are connected to discharge pipe respectively,
Main blast pipe is connected at the main air blower air intake vent, the main blast pipe is set as horn-like, the main air supply tube and spare
It is equipped with windscreen component in air supply tube, the windscreen component includes connecting plate, connection frame, connection sheet, limit plate and baffle, described
It is respectively equipped with connecting plate in main air supply tube and spare air supply tube, is respectively equipped with limit in the main air supply tube and spare air supply tube
Plate, the connecting plate are oppositely arranged with limit plate, and the connection frame is arranged on connecting plate, and one end of the connection sheet is articulated with
Connection frame, the other end connects baffle, and when passing through in the main air supply tube and spare air supply tube without air-flow, the baffle is close to even
One end of fishplate bar and connecting plate contradict, and contradict away from one end of connecting plate and limit plate.
By using above-mentioned technical proposal, combustion product flue gas is drawn by main air blower by main blast pipe in the operating condition
In main air blower, is being entered by main air blower in main air supply tube and entered in discharge pipe by main air supply tube, it will by discharge pipe
Flue gas is sent to combustion zone, and during flue gas enters main air supply tube by main air blower, the air-flow that flue gas generates send master
Baffle in air hose opens, so that flue gas be made to enter in main air supply tube, the both ends of the baffle in spare air supply tube are distinguished at this time
It is contradicted with limit plate and connecting plate, baffle blocks spare air supply tube, avoids the loss of flue gas, can if main air blower breaks down
Start standby fan, flue gas is drawn into standby fan by standby fan, enters spare air supply tube by standby fan in flue gas
When interior, the air-flow that flue gas generates opens the baffle in spare air supply tube, to make flue gas enter in spare air supply tube, at this time
The both ends of baffle in main air supply tube are contradicted with limit plate and connecting plate respectively, and baffle blocks main air supply tube, avoid flue gas
Be lost, flue gas enters in discharge pipe in spare air supply tube, flue gas is sent to combustion zone by discharge pipe, thus realize after
The purpose of continuous conveying flue gas, avoids flue gas recirculation from being affected.
The utility model is further arranged to: at the standby fan air intake vent be equipped with spare blast pipe, it is described it is spare into
Air hose is set as horn-like.
By using above-mentioned technical proposal, the horn-like cigarette for being capable of increasing standby fan sucking is set by spare blast pipe
Tolerance, to improve the transfer efficiency of flue gas.
The utility model is further arranged to: further including bracket, the main air blower and standby fan are arranged on bracket.
By using above-mentioned technical proposal, the setting of bracket can link together main air blower and standby fan, thus
Improve the stability between main air blower and standby fan.
The utility model is further arranged to: main air supply tube is arranged close to main air blower in the windscreen component in the main air supply tube
One end, spare air supply tube is arranged in close to one end of standby fan in the windscreen component in the spare air supply tube, and the master send
It is detachably connected between air hose and main air blower, is detachably connected between the spare air supply tube and standby fan.
By using above-mentioned technical proposal, blower is used for a long time, in the baffle and spare air supply tube in main air supply tube
On baffle can adhesive dust main air supply tube and spare air supply tube can be disassembled, if the dust on baffle is more so as to right
Baffle in main air supply tube and spare air supply tube carries out deashing.
The utility model is further arranged to: detachably being connected between the main air supply tube and main air blower by bolt and nut
It connects, main outer contact pin is equipped on the main air blower and main air supply tube, the external on piece of master is equipped with through-hole, and the bolt passes through master
The through-hole of external on piece is spirally connected with nut, is detachably connected between the spare air supply tube and standby fan by bolt and nut,
Spare outer contact pin is equipped on the spare air supply tube and standby fan, the spare external on piece is equipped with through-hole, the bolt
Through-hole across spare external on piece is spirally connected with nut.
The nut of the external on piece of master is removed, then bolt is taken out by using above-mentioned technical proposal in disassembly, it will
The nut of spare external on piece is removed, then bolt is taken out, so that main air supply tube be disassembled from main air blower, is sent spare
Air hose is disassembled from standby fan.
The utility model is further arranged to: mainframe is connected on the main air blower, the mainframe is used to support master
Motor on blower, the standby fan are equipped with spare rack, and the spare rack is used to support the motor on standby fan,
The mainframe and spare rack are connect with bracket.
By using above-mentioned technical proposal, the setting of mainframe can be improved the stability of main air blower, and spare rack is set
Set the stability that can be improved standby fan.
The utility model is further arranged to: be detachably connected between the mainframe and bracket, the spare rack with
It is detachably connected between bracket.
By using above-mentioned technical proposal, if bracket using the time it is longer damage, can will be under the disassembly of the bracket of damage
Come and reinstalls new bracket.
The utility model is further arranged to: the slide assemblies mobile convenient for bracket, the cunning are connected on the bracket
Dynamic component includes sliding panel and movable pulley, and the sliding panel is connected to bracket, and the movable pulley is connected to sliding panel away from bracket
Side.
By using above-mentioned technical proposal, when needing mobile, blower is pushed, blower drives movable pulley to roll, thus real
The movement of existing blower saves a large amount of manpowers compared with by carrying blower.
The utility model is further arranged to: being detachably connected between the sliding panel and bracket.
By using above-mentioned technical proposal, after blower is moved to operating position, it is right to disassemble slide assemblies again
Blower is installed, and avoids blower during the work time since the presence of movable pulley causes stability poor.
The utility model is further arranged to: the slide assemblies further include screw, and the bracket is equipped with draw runner, described
Sliding panel is equipped with sliding slot, and the draw runner is in sliding fit with the sliding chute, and the draw runner is equipped with through-hole, and the sliding slot bottom is equipped with spiral shell
Pit, the screw pass through through-hole and screw hole.
By using above-mentioned technical proposal, the position of draw runner can be fixed in the setting of screw, and blower is avoided to move
Draw runner play in sliding slot gets off screw disassembling when dismantling slide assemblies during dynamic, pushes blower, makes draw runner in cunning
Sliding in slot realizes the purpose for disassembling slide assemblies when draw runner is detached from sliding slot.
In conclusion the utility model has the following beneficial effects:
1, if main air blower failure can not continue to convey flue gas, standby fan can star, standby fan is by flue gas
Be sucked through spare air supply tube to enter in discharge pipe, then flue gas be sent to combustion zone by discharge pipe, thus realize after
The purpose of continuous conveying flue gas, avoids flue gas recirculation from being affected；
2, the setting of baffle can be avoided the loss of flue gas, to improve the transfer efficiency of flue gas；
3, the setting of slide assemblies is convenient for the movement of blower to save a large amount of manpowers compared with by carrying blower.
Detailed description of the invention
Fig. 1 is in the present embodiment for embodying the structural schematic diagram of the utility model；
Fig. 2 is in the present embodiment for embodying the structural schematic diagram of positional relationship between main air blower and main blast pipe；
Fig. 3 is in Fig. 2 for embodying the portion the A schematic enlarged-scale view of windscreen component in main air supply tube；
Fig. 4 is in the present embodiment for embodying the structural schematic diagram of positional relationship between standby fan and spare air supply tube；
Fig. 5 is in Fig. 4 for embodying the portion the B schematic enlarged-scale view of windscreen component in spare air supply tube；
Fig. 6 is in the present embodiment for embodying the structural schematic diagram of slide assemblies；
Fig. 7 is in Fig. 6 for embodying the portion the C schematic enlarged-scale view of positional relationship between sliding slot and sliding panel.
Appended drawing reference: 1, standby fan；2, main air supply tube；3, spare air supply tube；4, discharge pipe；5, main blast pipe；6, wind
Keep off component；61, connecting plate；62, connection frame；63, connection sheet；64, limit plate；65, baffle；7, spare blast pipe；8, bracket；9,
Main outer contact pin；10, spare outer contact pin；11, mainframe；12, spare rack；13, slide assemblies；131, sliding panel；132, it slides
Wheel；133, screw；14, draw runner；15, sliding slot；16, threaded hole；17, main air blower.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment: a kind of two fans, as shown in Figure 1, including main air blower 17, standby fan 1, main air supply tube 2, spare air-supply
Pipe 3, discharge pipe 4 and bracket 8.
As depicted in figs. 1 and 2, main air blower 17 is equipped with mainframe 11, and mainframe 11 is used to support the electricity on main air blower 17
Machine, is connected with main blast pipe 5 at 17 air intake vent of main air blower, and main blast pipe 5 be it is horn-like, master is connected at 17 air outlet of main air blower
Air supply tube 2 is equipped with windscreen component 6 close to one end of main air blower 17 in main air supply tube 2 as shown in Figures 2 and 3, and windscreen component 6 wraps
Connecting plate 61, connection frame 62, connection sheet 63, limit plate 64 and baffle 65 are included, connecting plate 61 and limit plate 64 are arranged at master and send
In air hose 2, and connecting plate 61 and limit plate 64 are oppositely arranged, and connection frame 62 is arranged on connecting plate 61, one end of connection sheet 63
It is articulated with connection frame 62, the other end connects baffle 65, and when passing through in main air supply tube 2 without air-flow, baffle 65 is close to connecting plate 61
One end and connecting plate 61 contradict, away from connecting plate 61 one end and limit plate 64 contradict, between main air supply tube 2 and main air blower 17
It is detachably connected by bolt and nut, main outer contact pin 9 is equipped on main air blower 17 and main air supply tube 2, main outer contact pin 9 is equipped with logical
Hole, the through-hole that bolt passes through in main outer contact pin 9 are spirally connected with nut.
As shown in Figure 1 and Figure 4, standby fan 1 is equipped with spare rack 12, and spare rack 12 is used to support standby fan 1
On motor, be connected with spare blast pipe 7 at 1 air intake vent of standby fan, and spare blast pipe 7 be it is horn-like, standby fan 1 goes out
Spare air supply tube 3 is connected at air port, as shown in Figure 4 and Figure 5, is equipped with windscreen close to one end of standby fan 1 in spare air supply tube 3
Component 6, windscreen component 6 include connecting plate 61, connection frame 62, connection sheet 63, limit plate 64 and baffle 65, connecting plate 61 and limit
Plate 64 is arranged in spare air supply tube 3, and connecting plate 61 and limit plate 64 are oppositely arranged, and connection frame 62 is arranged in connecting plate 61
On, one end of connection sheet 63 is articulated with connection frame 62, and the other end connects baffle 65, when passing through in spare air supply tube 3 without air-flow,
Baffle 65 is contradicted close to one end of connecting plate 61 and connecting plate 61, is contradicted away from one end of connecting plate 61 and limit plate 64, spare
It is detachably connected, is equipped on standby fan 1 and spare air supply tube 3 standby by bolt and nut between air supply tube 3 and standby fan 1
With outer contact pin 10, spare outer contact pin 10 is equipped with through-hole, and the through-hole that bolt passes through in spare outer contact pin 10 is spirally connected with nut.
As shown in Figure 1, main air supply tube 2 deviates from one end of standby fan 1 away from one end of main air blower 17 and spare air supply tube 3
It is connected to discharge pipe 4.
As shown in Figure 1, mainframe 11 and spare rack 12 are arranged on bracket 8, and mainframe 11 and spare rack 12
It is detachably connected with bracket 8, in the present embodiment, is detachably connected between mainframe 11 and bracket 8 by bolt and nut respectively, it is standby
It is detachably connected between rack 12 and bracket 8 by bolt and nut.
As shown in figures 1 to 6, the slide assemblies 13 mobile convenient for bracket 8 are also connected on bracket 8, slide assemblies 13 wrap
Sliding panel 131, movable pulley 132 and screw 133 are included, sliding panel 131 is removably connected to bracket 8, and movable pulley 132 is connected to sliding
Plate 131 deviates from the side of bracket 8, and as shown in Figure 6 and Figure 7, bracket 8 is equipped with draw runner 14, and sliding panel 131 is equipped with sliding slot 15,
Draw runner 14 is slidably matched with sliding slot 15, and draw runner 14 is equipped with through-hole, and 15 bottom of sliding slot is equipped with threaded hole 16, and screw 133 passes through logical
Hole is spirally connected with threaded hole 16.
Implementation process:, being capable of normal work if main air blower 17 and standby fan 1 all handle normal condition when conveying flue gas
Make, starts main air blower 17, main air blower 17 is in the operating condition sucked flue gas in main air blower 17 by main blast pipe 5, in main wind
When flue gas in machine 17 is entered in main air supply tube 2, the air-flow that flue gas generates opens the baffle 65 in main air supply tube 2, thus
Enter flue gas in main air supply tube 2, at this time the both ends of the baffle 65 in spare air supply tube 3 respectively with limit plate 64 and connecting plate
61 contradict, and baffle 65 blocks spare air supply tube 3, avoid the loss of flue gas, the flue gas entered in main air supply tube 2 enters back into
In discharge pipe 4, flue gas is sent to combustion zone by discharge pipe 4.
If the failure of main air blower 17 can not continue to use, start standby fan 1, standby fan 1 passes through spare air inlet
Flue gas is drawn into standby fan 1 by pipe 7, when flue gas is entered in spare air supply tube 3 by standby fan 1, what flue gas generated
Air-flow opens the baffle 65 in spare air supply tube 3, to make flue gas enter in spare air supply tube 3, at this time in main air supply tube 2
The both ends of baffle 65 contradicted respectively with limit plate 64 and connecting plate 61, baffle 65 blocks main air supply tube 2, avoids the stream of flue gas
It loses, flue gas enters in discharge pipe 4 in spare air supply tube 3, flue gas is sent to combustion zone by discharge pipe 4, to realize
The purpose for continuing conveying flue gas, avoids flue gas recirculation from being affected.
Mobile fan is being needed, blower is pushed, blower drives movable pulley 132 to roll, and moves to realize to blower
Purpose, after blower is moved to appropriate location, screw 133 is disassembled in a pre-installation, then blower will be pushed, blower drive
Draw runner 14 slides in sliding slot 15, when draw runner 14 is detached from sliding slot 15, realizes the purpose that detaching fan gets off, avoids movable pulley
132 presence influences the stability of blower at work.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of two fans, it is characterized in that: including main air blower (17), standby fan (1), being connected at main air blower (17) air outlet
Main air supply tube (2), the spare air supply tube (3), the discharge pipe (4) that are connected at standby fan (1) air outlet, the main air supply tube
(2) it is connected to respectively with discharge pipe (4) with spare air supply tube (3), is connected with main blast pipe at main air blower (17) air intake vent
(5), the main blast pipe (5) is set as horn-like, is equipped with windscreen group in the main air supply tube (2) and spare air supply tube (3)
Part (6), the windscreen component (6) include connecting plate (61), connection frame (62), connection sheet (63), limit plate (64) and baffle
(65), it is respectively equipped with connecting plate (61) in the main air supply tube (2) and spare air supply tube (3), the main air supply tube (2) and spare
It is respectively equipped with limit plate (64) in air supply tube (3), the connecting plate (61) is oppositely arranged with limit plate (64), the connection frame
(62) it is arranged on connecting plate (61), one end of the connection sheet (63) is articulated with connection frame (62), and the other end connects baffle
(65), when passing through in the main air supply tube (2) and spare air supply tube (3) without air-flow, the baffle (65) is close to connecting plate
(61) one end and connecting plate (61) contradicts, and contradicts away from the one end of connecting plate (61) and limit plate (64).
2. a kind of two fans according to claim 1, it is characterized in that: being equipped at the standby fan (1) air intake vent spare
Blast pipe (7), the spare blast pipe (7) are set as horn-like.
3. a kind of two fans according to claim 1, it is characterized in that: further include bracket (8), the main air blower (17) and standby
It is arranged on bracket (8) with blower (1).
4. a kind of two fans according to claim 1, it is characterized in that: the windscreen component (6) in the main air supply tube (2) is set
The one end of main air supply tube (2) close to main air blower (17) is set, the windscreen component (6) in the spare air supply tube (3) is arranged spare
Air supply tube (3) is detachably connected between the main air supply tube (2) and main air blower (17) close to the one end of standby fan (1), described
It is detachably connected between spare air supply tube (3) and standby fan (1).
5. a kind of two fans according to claim 4, it is characterized in that: between the main air supply tube (2) and main air blower (17)
It is detachably connected by bolt and nut, main outer contact pin (9), the master is equipped on the main air blower (17) and main air supply tube (2)
Outer contact pin (9) is equipped with through-hole, and the through-hole that the bolt passes through on main outer contact pin (9) is spirally connected with nut, the spare air supply tube
(3) it is detachably connected between standby fan (1) by bolt and nut, on the spare air supply tube (3) and standby fan (1)
Equipped with spare outer contact pin (10), the spare outer contact pin (10) is equipped with through-hole, and the bolt passes through on spare outer contact pin (10)
Through-hole be spirally connected with nut.
6. a kind of two fans according to claim 3, it is characterized in that: being connected with mainframe on the main air blower (17)
(11), the mainframe (11) is used to support the motor on main air blower (17), and the standby fan (1) is equipped with spare rack
(12), the spare rack (12) is used to support the motor on standby fan (1), the mainframe (11) and spare rack (12)
It is connect with bracket (8).
7. a kind of two fans according to claim 6, it is characterized in that: removable between the mainframe (11) and bracket (8)
Connection is unloaded, is detachably connected between the spare rack (12) and bracket (8).
8. a kind of two fans according to claim 3, it is characterized in that: being connected on the bracket (8) convenient for bracket (8) shifting
Dynamic slide assemblies (13), the slide assemblies (13) include sliding panel (131) and movable pulley (132), the sliding panel (131)
It is connected to bracket (8), the movable pulley (132) is connected to the side that sliding panel (131) deviate from bracket (8).
9. a kind of two fans according to claim 8, it is characterized in that: removable between the sliding panel (131) and bracket (8)
Unload connection.
10. a kind of two fans according to claim 9, it is characterized in that: the slide assemblies (13) further include screw
(133), the bracket (8) be equipped with draw runner (14), the sliding panel (131) be equipped with sliding slot (15), the draw runner (14) with
Sliding slot (15) is slidably matched, and the draw runner (14) is equipped with through-hole, and sliding slot (15) bottom is equipped with threaded hole (16), the spiral shell
Nail (133) passes through through-hole and is spirally connected with threaded hole (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820874734.6U CN208380941U (en) | 2018-06-05 | 2018-06-05 | A kind of two fans |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820874734.6U CN208380941U (en) | 2018-06-05 | 2018-06-05 | A kind of two fans |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208380941U true CN208380941U (en) | 2019-01-15 |
Family
ID=64969715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820874734.6U Expired - Fee Related CN208380941U (en) | 2018-06-05 | 2018-06-05 | A kind of two fans |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208380941U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115136894A (en) * | 2022-06-14 | 2022-10-04 | 苏州市苏杭科技器材有限公司 | Double-fan system host suitable for experimental animals |
-
2018
- 2018-06-05 CN CN201820874734.6U patent/CN208380941U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115136894A (en) * | 2022-06-14 | 2022-10-04 | 苏州市苏杭科技器材有限公司 | Double-fan system host suitable for experimental animals |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 |