CN206636841U - A kind of high-temperature axial cooler of draught fan - Google Patents
A kind of high-temperature axial cooler of draught fan Download PDFInfo
- Publication number
- CN206636841U CN206636841U CN201720079458.XU CN201720079458U CN206636841U CN 206636841 U CN206636841 U CN 206636841U CN 201720079458 U CN201720079458 U CN 201720079458U CN 206636841 U CN206636841 U CN 206636841U
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- China
- Prior art keywords
- main shaft
- blower fan
- fan main
- impeller
- bearing
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Abstract
The utility model discloses a kind of high-temperature axial cooler of draught fan,Including blower fan main shaft,At least one bearing block for being connected to the impeller of blower fan main shaft one end and being assembled away from impeller and with the dynamic cooperation of blower fan main shaft,It is arranged between impeller and bearing block for by the casing with thermal insulation layer of bearing and impeller isolation,Casing is away from the side of impeller around blower fan main shaft formed with annular placed cavity,The water coolers that set is encapsulated on blower fan main shaft are installed in annular placed cavity,Water coolers laterally extend around the fixed edge to be formed close to the one of bearing block and are fixedly connected on casing,Water coolers are provided with water inlet pipe and outlet pipe close to the side of bearing block,It is provided with blower fan main shaft as blower fan main shaft rotates the air-cooled component to be cooled down immediately to the bearing in bearing block,It is air-cooled with that can carry out,Water cooling main shaft is cooled simultaneously and to cooling water sealing effectiveness it is preferable the advantages of.
Description
Technical field
It the utility model is related to a kind of fan shaft cooling device, more particularly to a kind of high-temperature axial cooler of draught fan.
Background technology
At present, in the industrial circles such as metallurgy, cement, boiler, use substantial amounts of high-temperature blower, with conveying 450 °C with
On high temperature gas medium, in high temperature environments, rotor strength reduce, rigidity weaken cause to deform, bearing is easily by the shadow of high temperature
Ring and bite abrasion easily occurs, so as to which cause service life of fan significantly to shorten or directly result in can not normal operation.
In these high-temperature blowers, people prevent high temperature to be transferred to bearing through main shaft to ensure their normal operation
Position, cause bearing failure, so as to cause blower fan unit to break down, be often equipped with cooler and main shaft is cooled down, such as city
Provisioned in the various high-temperature blower sold on field.
When high-temperature blower operates, main shaft needs logical cooling water radiating and cooling, generally use thermal insulation layer isolation cooling water and wind
Machine internal high temperature medium, improves cooling effectiveness of the cooling water to main shaft, and existing technology refers to Application No.
201620665500.1 Chinese utility model patent discloses a kind of heat insulation layer anti-deforming structure of high-temperature blower, and it is wrapped
Installing plate is included, the heat insulation layer of the cooling segment that is arranged on the inside of installing plate and cooling segment periphery belonging to being arranged at, its
In：
On installing plate with the first cooling water dividing plate, the second cooling water dividing plate and the 3rd cooling water that are set on installing plate every
Plate and main shaft steel pipe are encircled a city cooling water cavity jointly, and cooling water intake and cooling water water outlet are set on the cooling water cavity
Mouthful, main shaft is cooled down by heat insulation layer and cooling water cavity.
Although above-mentioned utility model can cool to main shaft, the cooling water entered in cavity can be from main shaft and sky
Chamber junction, which is overflowed, to be come, and installs sealing gasket additional in this place obviously nor very real, and main shaft is carried out using cooling water merely in addition
Cooling, cooling effect have much room for improvement.
Utility model content
The purpose of this utility model be to provide one kind can carry out air-cooled, water cooling and meanwhile main shaft is cooled and to cooling
The preferable high-temperature axial cooler of draught fan of water-stop effect.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of high-temperature axial cooler of draught fan, including blower fan main shaft, it is connected to the impeller of blower fan main shaft one end and remote
Impeller and at least one bearing block assembled with the dynamic cooperation of blower fan main shaft, are arranged between the impeller and the bearing block and are used for
By bearing and the casing with thermal insulation layer of impeller isolation, the casing is away from the side of impeller around blower fan main shaft formed with ring
Shape placed cavity, the water coolers that set is encapsulated on the blower fan main shaft are installed, water coolers are close to bearing block in annular placed cavity
One it is lateral extend around the fixed edge to be formed and be fixedly connected on casing, the water coolers are set close to the side of bearing block
Have water inlet pipe and outlet pipe, be provided with the blower fan main shaft with blower fan main shaft rotate with to the bearing in bearing block i.e.
When the air-cooled component that cools down.
By using above-mentioned technical proposal, because blower fan needs to convey high-temperature medium, in high temperature environments, rotor strength compared with
Low, rigidity, which weakens, to be caused to deform, and the bearing of supports main shaft is easily affected by the high temperature easily to occur bite abrasion, so as to cause blower fan
Service life, which significantly shortens or directly resulted in, to be run, by the machine that thermal insulation layer is provided between bearing and impeller
Shell, bearing can be isolated in outside high-temperature area, reduce heat of high temperature and be delivered to bearing position；Pass through the water coolers energy of setting
Enough form recirculated cooling water and uninterrupted water-cooled cooling is carried out to blower fan main shaft, prevent bearing temperature rise from influenceing the normal of blower fan and making
With；, can be immediately right when blower fan main shaft rotates by the air-cooled component rotated with blower fan main shaft set on blower fan main shaft
Bearing position carries out air-cooled cooling.
Preferably, the air-cooled component includes wind wheel, wind wheel includes two round winds set with a diameter of axial symmetry
Leaf dish, round wind leaf dish include straight flange docking section, and the both ends in Corner butt joint portion are each along the extension perpendicular to Corner butt joint portion
Line extends formed with fixed part, and the round wind leaf dish is stuck in the both sides up and down of blower fan main shaft and the fixed part leads to
Bolt is crossed to fix.
By using above-mentioned technical proposal, blower fan main shaft can be arranged at any time using split type round wind leaf dish
On, with the rotation of blower fan main shaft, the wind wheel of round wind leaf dish docking composition can cool down to bearing portion immediately, drop
Low bearing temperature so that blower fan safe and stable can be run.
Preferably, multiple wind wheel blades have been radially arranged it on the side face of the round wind leaf dish.
By using above-mentioned technical proposal, the how each wind wheel blade set in round wind leaf dish can be when wind wheel rotates
Dry, bearing portion is carried out immediately air-cooled to bearing portion.
Preferably, the air-cooled component be provided with blower fan main shaft it is multigroup.
By using above-mentioned technical proposal, multigroup air-cooled component of setting can be carried out immediately to the bearing on blower fan main shaft
Wind cooling temperature lowering so that blower fan being capable of normal operation.
Preferably, the external diameter of the casing is more than the external diameter of the impeller.
By using above-mentioned technical proposal, the external diameter of casing is more than the external diameter of impeller, casing can isolate draught fan impeller with
Bearing, after high-temperature area and working region are kept apart, bearing is not easy by the heat influence of high-temperature area.
Preferably, the gap between the casing and blower fan main shaft is provided with heat-insulated obturator.
By using above-mentioned technical proposal, due to gap between casing and blower fan main shaft be present, if without closure, height
The amount of heat of temperature area bearing position can be delivered to from gap so that bearing temperature raises, and causes bearing with existing before main shaft
Bite so as to cause fan life reduce or cause blower fan can not normal operation；The heat of other high-temperature area transmits from gap
Into working region, staff is difficult to be operated at normal temperatures, can by the filling with insulation material in gap
Stop that the heat of high-temperature area enters bearing position, reduce the temperature of working region, extend the service life of blower fan, make simultaneously
It is more comfortable to obtain working environment, improves the work incentive of worker.
Preferably, the water inlet pipe is each located on the top and bottom of the water coolers with the outlet pipe.
By using above-mentioned technical proposal, water inlet pipe is arranged on the top of outlet pipe, and such recirculated water is from water coolers
Side enters, and to main shaft progress water-cooled cooling, the cooling water after absorption heat can rely on the gravity of itself to be discharged from downcomer,
The circulation of cooling water is accelerated, improves water-cooled effect.
In summary, the utility model has the advantages that：
1st, the thermal insulation layer set on casing, it can stop that the heat of high-temperature area enters working environment or is delivered to
Bearing position so that bearing can work at normal temperatures, extend the service life of blower fan；
2nd, recirculating cooling water system can be formed by the water coolers of setting, uninterrupted water cooling drop is carried out to blower fan main shaft
Temperature, reduce bearing temperature so that blower fan being capable of normal operation；
3rd, it is provided with the wind wheel with main axis on main shaft, wind wheel instant cooling bearing position during main axis.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of high-temperature axial cooler of draught fan；
Fig. 2 is the structural representation of round wind leaf dish；
Fig. 3 is a kind of sectional view of high-temperature axial cooler of draught fan；
Fig. 4 is the enlarged diagram of A in Fig. 3.
In figure, 1, blower fan main shaft；2nd, impeller；3rd, bearing block；4th, bearing；5th, casing；51st, thermal insulation layer；52nd, heat-insulated filling
Body；6th, annular placed cavity；7th, water coolers；71st, water inlet pipe；72nd, outlet pipe；8th, wind wheel；81st, round wind leaf dish；811st, it is right
Socket part；812nd, fixed part；82nd, wind wheel blade；9th, fixed edge.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.Wherein identical parts identical accompanying drawing
Mark represents.It should be noted that the word "front", "rear", "left", "right", the "up" and "down" that are used below in description refer to
It is the direction in accompanying drawing, word " bottom surface " and " top surface ", " interior " and " outer " are referred respectively to towards or away from particular elements geometry
The direction at center.
A kind of high-temperature axial cooler of draught fan, as shown in Figures 1 and 3, including blower fan main shaft 1, positioned at the one end of blower fan main shaft 1
And either rotor and remote impeller 2 or rotor are used for two bearings for supporting blower fan main shaft 1 to the impeller 2 in high-temperature area
Seat 3, the interior interference fit of bearing block 3 have bearing 4, inner ring and the interference fits of blower fan main shaft 1 of bearing 4.
As shown in Fig. 1 and Fig. 3 and Fig. 4, covered on blower fan main shaft 1 between bearing block 3 and impeller 2 and at impeller 2
It is more than the casing 5 of impeller 2 or rotor diameter provided with an external diameter, casing 5 is provided with thermal insulation layer 51, and the thermal insulation layer 51 can be adopted
Formed with high temperature resistant heat insulation material, formed with gap between casing 5 and main shaft, heat-insulated obturator 52 is provided with gap, it is heat-insulated
Obturator 52 is equally made of high temperature resistant heat insulation material, for example, high temperature resistant heat insulation material has ceramic fibre class product, received
Meter Wei Kong heat-barrier materials；Bearing 4 can be isolated in by the heat-insulated casing 5 of setting outside high-temperature area, avoids heat of high temperature
It is delivered to bearing position.
As shown in Figure 3 and Figure 4, casing 5 is axial along the axis of blower fan main shaft 1 to the side of draught fan impeller 2 away from the side of impeller 2
Annular placed cavity 6 is offered, water coolers 7 in a ring are provided with annular placed cavity 6, water coolers 7 are close to bearing block 3
One lateral extends around is more than the external diameter of annular placed cavity 6 formed with fixed edge 9, fixed edge 9, and water coolers 7 are set in blower fan
It is sealed on bearing and by fixed edge 9 in annular placed cavity 6, water coolers 7 are provided with into water close to the one side of bearing block 3
Pipe 71, the horizontal line of water inlet pipe 71 are higher than blower fan main shaft 1, are located on water coolers 7 with water inlet pipe 71 on the same face and are provided with
Outlet pipe 72, outlet pipe 72 are symmetrical arranged relative to the central axis of blower fan main shaft 1, and cooling cycle water enters from water inlet pipe 71
Water-cooled cooling is carried out in water coolers 7 to blower fan and is flowed out by outlet pipe 72 to carry out recirculated cooling water cooling.
As shown in Figures 1 and 3, it is provided with blower fan main shaft 1 multigroup as blower fan main shaft 1 is rotated with bearing block 3
Bearing 4 carries out immediately air-cooled air-cooled component.
As shown in Figures 1 and 2, air-cooled component includes multiple wind wheels 8 being sheathed on blower fan main shaft 1, and wind wheel 8 is located at bearing
Between seat 3 and water coolers 7, wind wheel 8 includes two round wind leaf dishes 81 set with a diameter of axial symmetry, semicircle fan blade
Disk 81 includes straight flange docking section 811, the both ends of straight flange docking section 811 each along the extended line perpendicular to Corner butt joint portion 811 to
Both sides extension has multiple blades of wind wheel 8, two semicircles formed with fixed part 812, the side face radially installed of round wind leaf dish 81
Shape fan blade disc 81 is stuck on blower fan main shaft 1, and its fixed part 812 is bolted.
Illustrated with reference to blower fan carrying out practically situation：
When fan operation, blower fan main shaft 1 rotates impeller 2 and high-temperature medium, high-temperature area is conveyed in high-temperature area
Interior heat heat-insulated obturator 52 made of the exotic material in casing 5 and gap is blocked in the side of impeller 2.
Cooling water is constantly injected into water inlet pipe 71, cooling water carries out water cooling drop by water coolers 7 to blower fan main shaft 1
Temperature, the cooling water for absorbing amount of heat are discharged from drainpipe, heat are taken away.
The wind wheel 8 being fixed on blower fan main shaft 1 can constantly be rotated with main shaft blower fan main shaft 1 is carried out it is instant air-cooled
Cooling.
Blower fan main shaft 1 and bearing are cooled down using air-cooled plus water cooling dual-cooled mode so that bearing
It is not easy to be influenceed that bite abrasion occurs by high temperature, extends the service life of blower fan so that blower fan being capable of normal operation.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (7)
1. a kind of high-temperature axial cooler of draught fan, including blower fan main shaft (1), be connected to the impeller (2) of blower fan main shaft (1) one end with
And at least one bearing block (3) assembled away from impeller (2) and with the dynamic cooperation of blower fan main shaft (1), it is characterised in that：The impeller
(2) casing with thermal insulation layer (51) for bearing (4) to be isolated with impeller (2) is arranged between the bearing block (3)
(5), the casing (5) surrounds blower fan main shaft (1) formed with annular placed cavity (6), annular placed cavity away from the side of impeller (2)
(6) water coolers (7) that set is encapsulated on the blower fan main shaft (1) are installed in, water coolers (7) close to bearing block (3) one
Laterally extend around the fixed edge to be formed (9) to be fixedly connected on casing (5), the water coolers (7) are close to bearing block (3)
Side is provided with water inlet pipe (71) and outlet pipe (72), is provided with the blower fan main shaft (1) as blower fan main shaft (1) rotates
With the air-cooled component cooled down immediately to the bearing (4) in bearing block (3).
2. high-temperature axial cooler of draught fan according to claim 1, it is characterised in that：The air-cooled component includes wind wheel
(8), wind wheel (8) includes two round wind leaf dishes (81) set with a diameter of axial symmetry, and round wind leaf dish (81) includes
Straight flange docking section (811), the both ends of Corner butt joint portion (811) each extend along the extended line perpendicular to Corner butt joint portion (811)
Formed with fixed part (812), the round wind leaf dish (81) is stuck in both sides up and down of blower fan main shaft (1) and described solid
Determine portion（812）It is bolted.
3. high-temperature axial cooler of draught fan according to claim 2, it is characterised in that：The round wind leaf dish (81)
Multiple tracks fin has been radially arranged on side face.
4. high-temperature axial cooler of draught fan according to claim 1 or 2, it is characterised in that：The air-cooled component is in blower fan
It is provided with main shaft (1) multigroup.
5. high-temperature axial cooler of draught fan according to claim 1, it is characterised in that：The external diameter of the casing (5) is more than
The external diameter of the impeller (2).
6. high-temperature axial cooler of draught fan according to claim 1, it is characterised in that：The casing (5) and blower fan main shaft
(1) heat-insulated obturator (52) is provided with the gap between.
7. high-temperature axial cooler of draught fan according to claim 1, it is characterised in that：The water inlet pipe (71) with it is described
Outlet pipe (72) is each located on the top and bottom of the water coolers (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720079458.XU CN206636841U (en) | 2017-01-21 | 2017-01-21 | A kind of high-temperature axial cooler of draught fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720079458.XU CN206636841U (en) | 2017-01-21 | 2017-01-21 | A kind of high-temperature axial cooler of draught fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206636841U true CN206636841U (en) | 2017-11-14 |
Family
ID=60260973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720079458.XU Expired - Fee Related CN206636841U (en) | 2017-01-21 | 2017-01-21 | A kind of high-temperature axial cooler of draught fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206636841U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623482A (en) * | 2018-12-25 | 2019-04-16 | 天津市华天世纪机械有限公司 | A kind of borehole drill construction with milling machine axis cooling device |
| CN111974506A (en) * | 2020-09-16 | 2020-11-24 | 四川新鑫元农牧机械有限公司 | Main shaft assembly capable of rapidly cooling by utilizing wind speed airflow |
| RU209369U1 (en) * | 2021-10-04 | 2022-03-15 | Александр Семенович Дубовик | CENTRIFUGAL ELECTRIC PUMP UNIT |
-
2017
- 2017-01-21 CN CN201720079458.XU patent/CN206636841U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623482A (en) * | 2018-12-25 | 2019-04-16 | 天津市华天世纪机械有限公司 | A kind of borehole drill construction with milling machine axis cooling device |
| CN111974506A (en) * | 2020-09-16 | 2020-11-24 | 四川新鑫元农牧机械有限公司 | Main shaft assembly capable of rapidly cooling by utilizing wind speed airflow |
| RU209369U1 (en) * | 2021-10-04 | 2022-03-15 | Александр Семенович Дубовик | CENTRIFUGAL ELECTRIC PUMP UNIT |
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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 |
Granted publication date: 20171114 Termination date: 20210121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |