CN205977817U - A seal cooling structure for ultra -temperature fan - Google Patents
A seal cooling structure for ultra -temperature fan Download PDFInfo
- Publication number
- CN205977817U CN205977817U CN201620989691.7U CN201620989691U CN205977817U CN 205977817 U CN205977817 U CN 205977817U CN 201620989691 U CN201620989691 U CN 201620989691U CN 205977817 U CN205977817 U CN 205977817U
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- sealing
- cooling
- seal
- coolant jacket
- main shaft
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Abstract
The utility model relates to a fan technical field, in particular to seal cooling structure that is used for ultra -temperature fan seal cooling, including setting up seal assembly and the cooling module on fan mainshaft, seal assembly is including setting up at main epaxial seal cover and sealed axle sleeve, and sealed axle sleeve setting is on the main shaft, and labyrinth seals is formed in the cooperation between seal cover and the sealed axle sleeve, is provided with the compressed air passageway in the seal cover, and compressed air passageway intercommunication labyrinth seals is provided with the seal groove that is used for installing the sealing ring on the seal cover one end terminal surface, cooling module is provided with cooling water inlet, coolant outlet and cooling water circulation chamber including setting up at main epaxial coolant jacket in. This seal cooling structure sealing, cooling effect are good, applicable in operating temperature at 650 DEG C of ultra -temperature fans of high temperature more even, can effectively solve the high temperature flue gas reveal with high temperature main shaft refrigerated problem, can with the thermal drop of bearing position department on the main shaft to below 60 DEG C, guarantee the normal operating of fan under high temperature.
Description
Technical field
This utility model is related to blower fan technical field, particularly to one kind can be used for operating temperature 650 DEG C, highest is resistant to
The superhigh temperature blower fan of 800 DEG C of temperature carries out sealing the sealing cooling structure of cooling.
Background technology
At present, in high-temperature centrifugal fan technical field, the operating temperature of blower fan generally at 300 DEG C about, such as coal fired power generation
The operating temperature of denitration system of power plant high temperature blower fan at 300 DEG C～350 DEG C, but this high-temperature blower be difficult to be applied to higher
Operating temperature.Fan industry at home, operating temperature at 650 DEG C, pressure reach 10kPa and more than, air quantity is in 1500Nm3/ h and
The application demand of following small flow high pressure power superhigh-temperature and-pressure blower fan is increasing；But at present, domestic this superhigh temperature blower fan
The urea pyrolysis system of gas engine thermoelectricity F level unit equipment for denitrifying flue gas is applied also beyond example, and domestic current application
Gas engine thermoelectricity F level unit all use external introduce technology and equipment, and the blower fan supporting with it also only has state's outgoing
Reach country can produce, lead to production, maintenance cost cycle to remain high, and often maintenance cycle cannot be guaranteed.Meanwhile, mesh
Front existing sealing type of cooling blower fan below 350 DEG C often appropriate only to operating temperature, and for operating temperature 650
The superhigh temperature blower fan of DEG C even more high temperature is then inapplicable, and existing technology also cannot solve high-temperature flue gas and reveal and main shaft
The problem of cooling.
Utility model content
The purpose of this utility model can be used for carbamide heat in gas engine thermoelectricity F level unit equipment for denitrifying flue gas in offer one kind
The urea pyrolysis superhigh temperature blower fan of solution system, sealing cooling system high-temperature flue gas being sealed and high temperature main shaft being cooled down
System, can effectively solving high-temperature flue gas reveal and main shaft cooling problem.
For solving above-mentioned technical problem, this utility model employs a kind of sealing cooling structure for superhigh temperature blower fan,
Described sealing cooling structure includes the black box being arranged on blower fan main shaft and cooling assembly, and described black box includes arranging
Sealing shroud on main shaft and sealing axle sleeve, described sealing axle sleeve is arranged on main shaft, coordinates between sealing shroud and sealing axle sleeve
Composition labyrinth seal, is provided with compressed air channel in described sealing shroud, compressed air channel connects labyrinth seal, sealing shroud one
Seal groove for installing sealing ring is provided with the end face of end；Described cooling assembly includes the coolant jacket being arranged on main shaft, institute
State and in coolant jacket, be provided with cooling water inlet, coolant outlet and cooling water circulation chamber.
In technique scheme, further, described sealing shroud and coolant jacket are monolithic construction, for being arranged on main shaft
Sealing coolant jacket, between described sealing coolant jacket and sealing axle sleeve cooperation composition labyrinth seal, sealing coolant jacket in be provided with
Compressed air channel, cooling water inlet, coolant outlet and cooling water circulation chamber, sealing coolant jacket one end end face is provided with use
In the seal groove installing sealing ring.
In technique scheme, further, described sealing coolant jacket one end end face is disposed with three from outside to inside
Individual seal groove.
In technique scheme, further, described sealing ring adopts asbestos packing.
In technique scheme, further, described sealing coolant jacket inwall arranges multiple cannelures, described cannelure
Cooperatively form labyrinth seal with sealing axle sleeve outer wall.
In technique scheme, further, described annular groove width is 10～15mm.
In technique scheme, further, described sealing cooling structure also includes the heat dissipation plate being arranged on main shaft, dissipates
Radiating fin is provided with hot plate；For further being cooled down to main shaft, after dual-cooled is processed, main shaft bearing is pacified
Temperature at holding position can be down to less than 60 DEG C.
In technique scheme, further, described sealing coolant jacket adopts copper sheathing structure.
In technique scheme, further, described heat dissipation plate adopts aluminium alloy casting.
This utility model is had the advantage that：
1) the combination sealing mode being combined with compressed air sealing using labyrinth seal, is efficiently solved high-temperature flue gas and lets out
The problem of dew；
2) sealing shroud and coolant jacket be set to monolithic construction so that entirely the structure of sealing cooling structure simple so as to
Structure is compacter, is easy to seal the installation of cooling structure；
3) sealing of this sealing cooling structure, good cooling results, are applicable to operating temperature in 650 DEG C of even more high temperature
Superhigh temperature blower fan, can reveal the problem cooling down with high temperature main shaft by effectively solving high-temperature flue gas, can be by main shaft upper bearing (metal) position
Temperature is down to less than 60 DEG C it is ensured that blower fan normal operation at high temperature.
Brief description
Fig. 1 is this utility model structural representation.
In figure：1st, main shaft, 2, sealing coolant jacket, 3, compressed air channel, 4, compressed air interface, 5, cooling water circulation
Chamber, 6, cooling water inlet, 7, coolant outlet, 8, heat dissipation plate, 9, radiating fin, 10, cannelure, 11, seal groove, 12, sealing
Ring, 13, sealing axle sleeve.
Specific embodiment
With specific embodiment, this utility model is further described below in conjunction with the accompanying drawings.
Sealing cooling structure in this utility model includes the black box being arranged on blower fan main shaft and cooling assembly, its
In, black box includes the sealing shroud being arranged on main shaft and sealing axle sleeve 13, and sealing axle sleeve 13 is arranged on main shaft 1, sealing
Between set and sealing axle sleeve 13, the labyrinth seal of cooperation composition, is provided with compressed air channel 3, compressed air channel 3 in sealing shroud
Connection labyrinth seal, sealing shroud one end end face is provided with the seal groove 11 for installing sealing ring 12；Cooling assembly includes setting
Put the coolant jacket on main shaft 1, in described coolant jacket, be provided with cooling water inlet 6, coolant outlet 7 and cooling water circulation chamber 5.
As Fig. 1, the function in the sealing cooling structure of the present embodiment having black box and cooling assembly carries out whole
Close so as to realize the purpose of sealing and cooling simultaneously.Specifically, sealing shroud and coolant jacket are monolithic construction, for being arranged on master
Sealing coolant jacket 2 on axle, sealing coolant jacket 2 and sealing axle sleeve 13 between cooperation composition labyrinth seal, this labyrinth seal be
Arranging multiple width on sealing coolant jacket 2 inwall is 10～15mm cannelure 10, by cannelure 10 and sealing axle sleeve 13 outer wall
Cooperatively form.Compressed air channel 3 is set in sealing coolant jacket 2, compressed air channel 3 porch arranges compressed air interface
4, the compressed air interface of compressed air 4 enters compressed air channel 3, and compressed air channel 3 connects labyrinth seal, compressed air
The outlet of passage 3 is located at the centre position of labyrinth seal, is realized close to main shaft 1 by compressed air and labyrinth seal simultaneously
Envelope, prevents the leakage of high-temperature flue gas.It is disposed with three from outside to inside on sealing coolant jacket 2 one end end face to be used for pacifying simultaneously
The seal groove 11 of dress sealing ring 12, installs sealing ring 12 in seal groove 11, can achieve the end face seal of sealing coolant jacket 2
Energy.
Sealing coolant jacket 2 is additionally provided with cooling structure, this cooling structure includes being arranged on cold on sealing coolant jacket 2
But water inlet 6, coolant outlet 7 and cooling water circulation chamber 5, leads to recirculated cooling water in cooling water circulation chamber 5, realizes to main shaft
Cooling.This sealing cooling structure also includes the heat dissipation plate 8 being arranged on main shaft 1 simultaneously, and heat dissipation plate 8 is provided with radiating fin
9；This heat dissipation plate 8 further can be cooled down to main shaft 1, after dual-cooled is processed, main shaft upper bearing (metal) installed position
Temperature can be down to less than 60 DEG C.
In order to obtain more preferable cooling effect it is preferable that sealing coolant jacket 2 adopts copper sheathing structure in the present embodiment；Radiating
Disk 8 adopts aluminium alloy casting.
Specification and drawings of the present utility model are considered as illustrative and not restrictive, open in this utility model
Technical scheme on the basis of, those skilled in the art according to disclosed technology contents it is not necessary to performing creative labour just
Some of them technical characteristic can be made with some replace and deform, these are replaced and deformation is all in protection model of the present utility model
In enclosing.
Claims (8)
1. be used for superhigh temperature blower fan sealing cooling structure it is characterised in that：Described sealing cooling structure includes being arranged on blower fan
Black box on main shaft and cooling assembly, described black box includes sealing shroud and the sealing axle sleeve being arranged on main shaft, institute
State sealing axle sleeve to be arranged on main shaft, cooperation composition labyrinth seal between sealing shroud and sealing axle sleeve, setting in described sealing shroud
There is compressed air channel, compressed air channel connects labyrinth seal, and sealing shroud one end end face is provided with for installing sealing ring
Seal groove；Described cooling assembly includes the coolant jacket that is arranged on main shaft, is provided with cooling water inlet, cold in described coolant jacket
But water out and cooling water circulation chamber.
2. according to claim 1 sealing cooling structure it is characterised in that：Described sealing shroud and coolant jacket are tied for monoblock type
Structure, for the sealing coolant jacket being arranged on main shaft, between described sealing coolant jacket and sealing axle sleeve, the labyrinth seal of cooperation composition, close
It is provided with compressed air channel, cooling water inlet, coolant outlet and cooling water circulation chamber in envelope coolant jacket, seal coolant jacket one
Seal groove for installing sealing ring is provided with the end face of end.
3. according to claim 2 sealing cooling structure it is characterised in that：By outer on the end face of described sealing coolant jacket one end
It is disposed with three seal grooves to interior.
4. according to claim 2 sealing cooling structure it is characterised in that：Arrange multiple on described sealing coolant jacket inwall
Cannelure, described cannelure and sealing axle sleeve outer wall cooperatively form labyrinth seal.
5. according to claim 4 sealing cooling structure it is characterised in that：Described annular groove width is 10～15mm.
6. according to claim 1 and 2 sealing cooling structure it is characterised in that：Also include the radiating being arranged on main shaft
Disk, heat dissipation plate is provided with radiating fin.
7. according to claim 2 sealing cooling structure it is characterised in that：Described sealing coolant jacket adopts copper sheathing structure.
8. according to claim 6 sealing cooling structure it is characterised in that：Described heat dissipation plate is cast as using aluminium alloy
Type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620989691.7U CN205977817U (en) | 2016-08-30 | 2016-08-30 | A seal cooling structure for ultra -temperature fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620989691.7U CN205977817U (en) | 2016-08-30 | 2016-08-30 | A seal cooling structure for ultra -temperature fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205977817U true CN205977817U (en) | 2017-02-22 |
Family
ID=58042273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620989691.7U Active CN205977817U (en) | 2016-08-30 | 2016-08-30 | A seal cooling structure for ultra -temperature fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205977817U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192483A (en) * | 2017-07-13 | 2017-09-22 | 台州市光中电器制造有限公司 | A kind of Novel dynamometer |
| CN107269543A (en) * | 2017-05-11 | 2017-10-20 | 宁波斯曼尔电器有限公司 | A kind of high-temp liquid pump for carrying cooling |
| CN109404057A (en) * | 2018-10-24 | 2019-03-01 | 中国船舶重工集团公司第七0五研究所 | A kind of labyrinth seal water-path cooling device and method applied to thermoelectricity turbine |
| CN114033738A (en) * | 2021-11-30 | 2022-02-11 | 厦门水务集团有限公司 | Shaft seal cooling water accumulation disc of vertical water pump |
-
2016
- 2016-08-30 CN CN201620989691.7U patent/CN205977817U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269543A (en) * | 2017-05-11 | 2017-10-20 | 宁波斯曼尔电器有限公司 | A kind of high-temp liquid pump for carrying cooling |
| CN107192483A (en) * | 2017-07-13 | 2017-09-22 | 台州市光中电器制造有限公司 | A kind of Novel dynamometer |
| CN109404057A (en) * | 2018-10-24 | 2019-03-01 | 中国船舶重工集团公司第七0五研究所 | A kind of labyrinth seal water-path cooling device and method applied to thermoelectricity turbine |
| CN114033738A (en) * | 2021-11-30 | 2022-02-11 | 厦门水务集团有限公司 | Shaft seal cooling water accumulation disc of vertical water pump |
| CN114033738B (en) * | 2021-11-30 | 2023-12-12 | 厦门市政水务集团有限公司 | Shaft seal cooling ponding dish of vertical water pump |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |