CN106438401A - High-temperature and high-pressure centrifugal air blower unit for smoke pressurization - Google Patents
High-temperature and high-pressure centrifugal air blower unit for smoke pressurization Download PDFInfo
- Publication number
- CN106438401A CN106438401A CN201610767606.7A CN201610767606A CN106438401A CN 106438401 A CN106438401 A CN 106438401A CN 201610767606 A CN201610767606 A CN 201610767606A CN 106438401 A CN106438401 A CN 106438401A
- Authority
- CN
- China
- Prior art keywords
- blower fan
- fan
- impeller
- flue gas
- output shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/083—Sealings especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of centrifugal air blowers, in particular to a high-temperature and high-pressure centrifugal air blower unit for smoke pressurization. The high-temperature and high-pressure centrifugal air blower unit for smoke pressurization comprises a double-output shaft motor, a first fan and a second fan; the first fan and the second fan both include shells provided with intake ports and exhaust ports, rotating shafts positioned in the shells, and impellers; one output shaft of the double-output shaft motor is connected with a rotating shaft of the first fan, and the other output shaft is connected with a rotating shaft of the second fan; the exhaust port of the first fan is connected with the intake port of the second fan through a pipe; and sealing modules are respectively arranged between the rotating shafts in the first fan and the second fan and the shells. The device can directly pressurize high-temperature smoke, synchronously drives two fans to rotate through the double-output shaft motor to achieve the requirements of low flow and high pressure, is excellent in sealing device, cannot cause leakage, is not easy to accumulate dust, improves the working efficiency, and meanwhile, is free of polluting the environment.
Description
Technical field
The present invention relates to centrifugal blower technical field, be specifically related to a kind of HTHP for flue gas pressurized treatments from
Heart blower unit.
Background technology
The attention further to environmental protection with country, garbage power project gets more and more, and rubbish can stay after generating burning
Under substantial amounts of ashes, these ashes are generally used for brickmaking, cement and use of paving the way, it is achieved that reusing of the energy.But it is electric
Factory is all to be carried by gasification when processing these ashes, is usually and adds with electric heater after normal temperature air pressurization again
Hot-air gasifies ashes because ashes easily lumps when low temperature, after caking just cannot automatic transport can only a dead lift,
So not only added labor strength but also polluted environment.When existing employing compressed air carries, feed flow is little, is subject to
Limit condition is many, and uses station service increase after electric heater, adds cost.Therefore come up with a kind of way, be direct profit
As medium, ashes is carried after pressurizeing with the high-temperature flue gas of boiler emission, from without using compressed air to carry out defeated
Sending, the heat energy of flue gas directly utilizes and does not needs electric heater and heat and can save station service every year simultaneously, improves generating efficiency.But
Existing air blast cannot meet the pressurization to high-temperature tail gas and require, it is impossible to directly bring use.
Content of the invention
It is an object of the invention to provide a kind of pumped (conveying) medium temperature height, boost the high high temperature for flue gas pressurized treatments
High pressure centrifugal blower group.
In order to achieve the above object, the technical solution used in the present invention is：A kind of high temperature for flue gas pressurized treatments is high
Pressure centrifugal blower group, including double output shaft electric machine, the first blower fan and the second blower fan, described first blower fan and the second blower fan all include
The casing being provided with air inlet and air outlet, the rotating shaft being positioned in casing and impeller, an output shaft of described pair of output shaft electric machine and
The rotating shaft of one blower fan connects, and the rotating shaft of another output shaft and the second blower fan connects, and the air outlet of described first blower fan passes through pipeline
It is connected with the air inlet of the second blower fan, between described first blower fan and the second blower fan shaft and casing, be equipped with black box.
A kind of HTHP centrifugal blower group for flue gas pressurized treatments, further illustrates as institute as above
Stating black box include movable sealing body, static seal body and seal lid, described movable sealing body is fixing with rotating shaft to be connected, described static seal
Body covers fixing connection with sealing, and is labyrinth seal between described movable sealing body and static seal body, and described sealing lid is fixed with casing
Connecting, the described circulation passage being communicated with on lid and static seal body that seals, the outlet of described circulation passage connects with labyrinth seal.
A kind of HTHP centrifugal blower group for flue gas pressurized treatments, further illustrates as institute as above
State the air inlet connection of circulation passage entrance and the first blower fan.
A kind of HTHP centrifugal blower group for flue gas pressurized treatments, further illustrates as institute as above
State circulation passage entrance and connect blanket gas.
A kind of HTHP centrifugal blower group for flue gas pressurized treatments, further illustrates as institute as above
State the clamping sleeve being additionally provided with in rotating shaft for pushing against movable sealing body.
A kind of HTHP centrifugal blower group for flue gas pressurized treatments, further illustrates as institute as above
Stating impeller material is high-temperature alloy steel.
A kind of HTHP centrifugal blower group for flue gas pressurized treatments, further illustrates as institute as above
Stating and being provided with multiple blade on impeller, described blade is arc section, each blade on impeller with impeller direction of rotation opposite direction
Arrange, blade inlet end-grain cutting line with this at circumference of impeller tangent line angle be 15 °～35 °, blade exit end-grain cutting line with this at impeller
Tangent to periphery is perpendicular.
The invention has the beneficial effects as follows：This device can directly carry out pressurized treatments to high-temperature flue gas, by double output shaft electric machines
Simultaneously drive two blower fans to rotate, thus reach the requirement of small flow high pressure power, by the high temperature cigarette to boiler for this device
Gas carries out pressurized treatments, not only solves ashes gasification and transportation problem but also saved the energy, directly utilize not the heat energy of flue gas
Needing electric heater to heat every year can using electricity wisely 50～800,000 degree.And this device good sealing effect, does not results in leakage,
Thus improve operating efficiency, simultaneously free from environmental pollution.By design is optimized to impeller profile, to impeller blade design and
Blade inlet end and port of export angle are configured, and in impeller rotary course, the solid particle in tail gas can be carried with gas
Walk, thus prevent solid particle from piling up on blade and forming laying dust.
Brief description
Fig. 1 is present configuration schematic diagram.
Fig. 2 is A sectional view in Fig. 1.
Fig. 3 is B zoomed-in view in Fig. 2.
Fig. 4 is circulation passage of the present invention and the first air inlet connection diagram.
Fig. 5 is impeller profile structural representation in the present invention.
In figure：1st, double output shaft electric machines；2nd, the first blower fan；201st, the first air inlet；3rd, the second blower fan；4th, casing；5、
Rotating shaft；6th, impeller；601st, blade；7th, pipeline；8th, black box；801st, movable sealing body；802nd, static seal body；803rd, lid is sealed；
804th, labyrinth seal；805th, circulation passage entrance；806th, circulation passage；807th, clamping sleeve；808th, circulation passage outlet；α, blade
Arrival end tangent line with this at circumference of impeller tangent line angle.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiment of the present invention is further elaborated.
As shown in Figure 1 to Figure 2, a kind of HTHP centrifugal blower for flue gas pressurized treatments that the present invention provides
Group, including double output shaft electric machine the 1st, the first blower fan 2 and the second blower fan 3.Described pair of output shaft electric machine 1 has been two output shafts, and two
Individual output shaft rotates simultaneously, and described pair of output shaft electric machine 1 is prior art, is not set forth in detail here.
Described first blower fan 2 and the second blower fan 3 all include being provided with air inlet and the 4th, the casing of air outlet is positioned in casing 4
Rotating shaft 5 and impeller 6, described rotating shaft 5 impeller 6 rotates, thus high-temperature flue gas pressurizes under the effect of impeller 6,
Air outlet from casing 4 is discharged, and the material of described impeller 6 is preferably high-temperature alloy steel, as used 12Cr1MoV.Described pair goes out
The rotating shaft of one output shaft of spindle motor 1 and the first blower fan 2 connects, and the rotating shaft of another output shaft and the second blower fan 3 connects, and i.e. passes through
Double output shaft electric machines 1 drive the first blower fan 2 and the second blower fan 3 to rotate simultaneously.The air outlet of described first blower fan 2 by pipeline 7 with
The air inlet of the second blower fan 3 connects, the flue gas after i.e. being pressurizeed by the first blower fan 2 in proceeding to the second blower fan 3, thus
Flue gas is made to carry out secondary pressurized in the second blower fan 3, after making flue gas reach specified pressure, from the air outlet row of the second blower fan 3
Go out, for the conveying of ashes.Rotated by using double output shaft electric machine to simultaneously drive two blower fans, thus it is high to reach low discharge
The requirement of pressure, this device can carry out pressurized treatments in use, thus both solve ashes gas to the high-temperature flue gas of boiler
Change and transportation problem has saved again the energy, the heat energy of flue gas is directly utilized and does not needs electric heater and heat and can economize on every year
Electricity 50～800,000 degree.
It is equipped with black box 8 between described first blower fan 2 and the second blower fan 3 shaft 5 and casing 4.Such as Fig. 2 to Fig. 3
Shown in, described black box 8 includes movable sealing body the 801st, static seal body 802 and seals lid 803, described movable sealing body 801 with turn
Axle 5 is fixing to be connected, i.e. movable sealing body 801 rotates together with rotating shaft 5, as preferably, described rotating shaft 5 is additionally provided with for pushing against dynamic
The clamping sleeve 807 of seal 801, so that movable sealing body 801 connects more stable.Described static seal body 802 and sealing lid 803
Fixing connection, is labyrinth seal 804, i.e. movable sealing body 801 and static seal between described movable sealing body 801 and static seal body 802
Body 802 face close to each other is provided with the sealing tooth matching, and described labyrinth seal 804 is prior art, does not do concrete here
Illustrate.
Described sealing lid 803 is fixing with casing 4 to be connected, the stream that described sealing lid 803 and static seal body 802 are communicated with
Circulation passage 806, this circulation passage outlet 808 connects with labyrinth seal 804, is the sealing realizing this black box countershaft, can
By being passed through blanket gas in circulation passage 806 or circulation passage entrance 805 being connected with the first air inlet 201, under
In the face of both sealing means illustrate respectively.
Connecting blanket gas at circulation passage entrance 805, blanket gas enters in labyrinth seal 804 by circulation passage 806,
Thus the flue gas in casing 4 is sealed, described blanket gas can use high pressure nitrogen.
For the operating mode not being provided that blanket gas, such as Fig. 4, can be by circulation passage entrance 805 and the first air inlet 201
Connection, owing to the flue gas revealed at each black box sealing is higher than atmospheric pressure through blower fan increased pressure, and the first blower fan
At air inlet 201, pressure is less than atmospheric pressure, thus shape between the first air inlet 201 and circulation passage entrance 805
Becoming negative pressure, the flue gas revealed at each black box reenters the first air inlet 201, under the effect of the pressure to leakage
Flue gas reclaim, thus realize the sealing of countershaft.
In the running of blower fan, draught fan impeller can produce laying dust phenomenon, affect the properly functioning of blower fan, for solving
This technical problem, is optimized to draught fan impeller in the present invention, and specifically, such as Fig. 5, the blade 601 that impeller 6 is arranged is adopted
With arc section, each blade 601 is arranged with impeller direction of rotation opposite direction on impeller 6, blade 601 arrival end tangent line with this at
Circumference of impeller tangent line angle α is 15 °～35 °, it is preferable that the present embodiment Leaf 601 arrival end tangent line and circumference of impeller at this
Tangent line angle α is 17 °, blade 601 port of export with this at circumference of impeller tangent line perpendicular.Set by impeller profile is optimized
Meter, is configured to impeller blade design and blade inlet end and port of export angle, the solid in tail gas in impeller rotary course
Particle can be pulled away with gas, thus prevents solid particle from piling up on blade and forming laying dust.
The present invention is not limited to examples detailed above, in claims of the present invention limited range, and art technology
Personnel without creative work can make various deformation or modification be all protected by this patent.
Claims (7)
1. the HTHP centrifugal blower group for flue gas pressurized treatments, it is characterised in that：Including double output shaft electric machines, the
One blower fan and the second blower fan, described first blower fan and the second blower fan all include being provided with the casing of air inlet and air outlet, are positioned at machine
The rotating shaft of the rotating shaft in shell and impeller, an output shaft of described pair of output shaft electric machine and the first blower fan connects, another output shaft and the
The rotating shaft of two blower fans connects, and the air outlet of described first blower fan passes through pipeline and the air inlet of the second blower fan connects, and described first
It is equipped with black box between blower fan and the second blower fan shaft and casing.
2. a kind of HTHP centrifugal blower group for flue gas pressurized treatments according to claim 1, its feature exists
In：Described black box includes movable sealing body, static seal body and seals lid, and described movable sealing body is fixing with rotating shaft to be connected, described
Static seal body covers fixing connection with sealing, and is labyrinth seal between described movable sealing body and static seal body, described sealing Gai Yuji
Shell is fixing to be connected, and the described circulation passage being communicated with on lid and static seal body that seals, the outlet of described circulation passage is close with labyrinth
Envelope connection.
3. a kind of HTHP centrifugal blower group for flue gas pressurized treatments according to claim 2, its feature exists
In：The air inlet connection of described circulation passage entrance and the first blower fan.
4. a kind of HTHP centrifugal blower group for flue gas pressurized treatments according to claim 2, its feature exists
In：Described circulation passage entrance connects blanket gas.
5. a kind of HTHP centrifugal blower group for flue gas pressurized treatments according to claim 2, its feature exists
In：It is additionally provided with the clamping sleeve for pushing against movable sealing body in described rotating shaft.
6. a kind of HTHP centrifugal blower group for flue gas pressurized treatments according to claim 1, its feature exists
In：Described impeller material is high-temperature alloy steel.
7. a kind of HTHP centrifugal blower group for flue gas pressurized treatments according to claim 1, its feature exists
In：Being provided with multiple blade on described impeller, described blade is arc section, and each blade is anti-with impeller direction of rotation on impeller
Direction arrange, blade inlet end-grain cutting line with this at circumference of impeller tangent line angle be 15 °～35 °, blade exit end-grain cutting line with this at
Circumference of impeller tangent line is perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610767606.7A CN106438401A (en) | 2016-08-30 | 2016-08-30 | High-temperature and high-pressure centrifugal air blower unit for smoke pressurization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610767606.7A CN106438401A (en) | 2016-08-30 | 2016-08-30 | High-temperature and high-pressure centrifugal air blower unit for smoke pressurization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106438401A true CN106438401A (en) | 2017-02-22 |
Family
ID=58090615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610767606.7A Pending CN106438401A (en) | 2016-08-30 | 2016-08-30 | High-temperature and high-pressure centrifugal air blower unit for smoke pressurization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106438401A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116771694A (en) * | 2023-07-07 | 2023-09-19 | 湖北三峰透平装备股份有限公司 | Two-machine coaxial series connection booster fan |
-
2016
- 2016-08-30 CN CN201610767606.7A patent/CN106438401A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116771694A (en) * | 2023-07-07 | 2023-09-19 | 湖北三峰透平装备股份有限公司 | Two-machine coaxial series connection booster fan |
| CN116771694B (en) * | 2023-07-07 | 2024-05-14 | 湖北三峰透平装备股份有限公司 | Two-machine coaxial series connection booster fan |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170222 |