CN109826829A - Underground fan anti-surge installation - Google Patents
Underground fan anti-surge installation Download PDFInfo
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- CN109826829A CN109826829A CN201910154553.5A CN201910154553A CN109826829A CN 109826829 A CN109826829 A CN 109826829A CN 201910154553 A CN201910154553 A CN 201910154553A CN 109826829 A CN109826829 A CN 109826829A
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- cylinder
- inclination
- outer cylinder
- intermediate main
- current stabilization
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Abstract
The invention discloses a kind of underground fan anti-surge installations, include outer cylinder, anchor ring, current stabilization ring and several flow deflectors, outer cylinder includes intermediate main cylinder a and inclination cylinder a and elongated end cylinder that the both ends intermediate main cylinder a are arranged in, anchor ring includes intermediate main cylinder b and the inclination cylinder b that the both ends intermediate main cylinder b are arranged in, current stabilization ring is cylindrical tube and the setting of current stabilization ring is arranged concentrically with outer cylinder and is located at outer cylinder both ends, current stabilization ring is located between inclination cylinder a and inclination cylinder b, flow deflector is arranged along outer cylinder axis direction and is fixed on inclination cylinder a, tilt the cavity inner wall of cylinder b and current stabilization ring side composition, several flow deflectors are along outer cylinder circumferential direction equidistantly distributed in cavity inner wall.The present invention is combined into unique runner elimination surge using outer cylinder, anchor ring, current stabilization ring and several flow deflectors and works well, while structure is together with the shell organic combination of blower, easy to assembly.
Description
Technical field
The present invention relates to a kind of anti-surge installation, especially a kind of underground fan anti-surge installation.
Background technique
Surge is one that turbo-compressor (being also vane compressor) is occurred when flow is reduced to a certain extent
Vibration under kind damage.Centrifugal compressor is a kind of form of turbo-compressor, and surge is for centrifugal compressor
Machine has very serious harm.The generation of surge is related with the characteristic of fluid machinery and pipeline, and the capacity of pipe-line system is bigger, then
Surge is stronger, and frequency is lower.Product generally all has the performance curve of pressure-flow, can determine pumping point, surge boundary line accordingly
Or surge area.The surge of fluid machinery can destroy the flowing law of machine interior media, generate mechanical noise, cause work department
The judder of part accelerates the damage of bearing and sealing.When surge causes pipeline, machine and its basic resonance, can also it make
At serious consequence.To prevent surge, it is necessary to operate fluid machinery except surge area.Within the compressor, minimum is generallyd use
Flow-type, flow-revolving speed control formula or flow rate pressure difference control formula Regulation against surge system.When more machine serial or parallel connections
When work, there should be respective Regulation against surge device.
The surge of underground fan is larger to blower damage, seriously affects the service life of blower.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of underground fan anti-surge installations, effectively eliminate the asthma of blower
Vibration phenomenon.
In order to solve the above technical problems, the technical scheme adopted by the invention is that:
A kind of underground fan anti-surge installation, it is characterised in that: include outer cylinder, anchor ring, current stabilization ring and several flow deflectors, outer cylinder packet
Containing intermediate main cylinder a and the inclination cylinder a and elongated end cylinder at the both ends intermediate main cylinder a are set, inclination cylinder a is rotary table
It type tube body and larger one end diameter and intermediate main cylinder a diameter matches and is fixedly connected, tilts with the both ends intermediate main cylinder a
The smaller one end diameter of cylinder a is matched with elongated end cylinder and is fixedly connected with elongated end cylinder, and anchor ring includes intermediate main cylinder b
It is circular platform type cylinder with the inclination cylinder b that the both ends intermediate main cylinder b are arranged in, inclination cylinder b, inclination smaller one end cylinder b is straight
It diameter and intermediate main cylinder b diameter matches and is fixedly connected with intermediate main cylinder b, current stabilization ring is cylindrical tube and current stabilization ring
Setting is arranged concentrically and is located at outer cylinder both ends with outer cylinder, and current stabilization ring is located between inclination cylinder a and inclination cylinder b, flow deflector edge
Outer cylinder axis direction is arranged and is fixed on the cavity inner wall that inclination cylinder a, inclination cylinder b and current stabilization ring side are constituted, several
Flow deflector is along outer cylinder circumferential direction equidistantly distributed in cavity inner wall.
Further, the flow deflector be irregular heptagon, wherein while a and while b between angle be 45 °, side b, c, d
Between be right angle, angle is 135 ° between side d, e, between side e, f be right angle, side f, g angle is 135 °, and side g, a angle is
135°。
Further, the side b length is 25mm, and side c length is 5mm, and side d length is 66.5mm, flow deflector level side
To projection total length 103.5mm, flow deflector vertical direction projects total length 30mm, side g length 60.5mm.
Further, the outer cylinder both ends, which are provided with, is fixedly connected with flange, is fixedly connected with flange and axially sets perpendicular to outer cylinder
It sets and is fixed on outer cylinder both ends end.
Compared with prior art, the present invention having the following advantages that and effect: the present invention is by designing unique anti-surge dress
It sets, unique runner elimination surge is combined into using outer cylinder, anchor ring, current stabilization ring and several flow deflectors and works well, simultaneously
Structure is easy to assembly together with the shell organic combination of blower.
Detailed description of the invention
Fig. 1 is the schematic diagram of subway anti-surge installation of the invention.
Fig. 2 is the scheme of installation of subway anti-surge installation of the invention.
Fig. 3 is the schematic diagram of outer cylinder of the invention.
Fig. 4 is the schematic diagram of anchor ring of the invention.
Fig. 5 is the schematic diagram of flow deflector of the invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is to this hair
Bright explanation and the invention is not limited to following embodiments.
As shown, a kind of underground fan anti-surge installation of the invention, include outer cylinder 1, anchor ring 2, current stabilization ring 3 and several
Flow deflector 4, outer cylinder 1 include intermediate main cylinder a5 and inclination cylinder a6 and elongated end cylinder that the both ends intermediate main cylinder a5 are arranged in
Body 7, inclination cylinder a6 be circular platform type cylinder and larger one end diameter and intermediate main cylinder a5 diameter matches and with centre master
The both ends cylinder a5 are fixedly connected, and the inclination smaller one end diameter of cylinder a6 matches with elongated end cylinder 7 and consolidates with elongated end cylinder 7
Fixed connection, anchor ring 2 include intermediate main cylinder b8 and the inclination cylinder b9 that the both ends intermediate main cylinder b8 are arranged in, and inclination cylinder b9 is
Circular platform type cylinder, the inclination smaller one end diameter of cylinder b9 main cylinder b8 diameter matches and are fixed with centre with intermediate main cylinder b8
Connection, current stabilization ring 3 is cylindrical tube and the setting of current stabilization ring 3 is arranged concentrically with outer cylinder 1 and is located at 1 both ends of outer cylinder, current stabilization ring 3
Between inclination cylinder a6 and inclination cylinder b9, flow deflector 4 is arranged along 1 axis direction of outer cylinder and is fixed on inclination cylinder
The cavity inner wall that a6, inclination cylinder b9 and 3 side of current stabilization ring are constituted, several flow deflectors 4 are along the circumferential equidistantly distributed of outer cylinder 1 in sky
In cavity wall.
Flow deflector 4 be irregular heptagon, wherein while a and while b between angle be 45 °, between side b, c, d be right angle, side
D, angle is 135 ° between e, is right angle between side e, f, side f, g angle is 135 °, and side g, a angle is 135 °.Side b length is
25mm, side c length are 5mm, and side d length is 66.5mm, and flow deflector horizontal direction projects total length 103.5mm, and flow deflector is vertical
Direction projection total length 30mm, side g length 60.5mm.
1 both ends of outer cylinder, which are provided with, is fixedly connected with flange 10, is fixedly connected with flange 10 and is arranged and consolidates perpendicular to 1 axial direction of outer cylinder
It is scheduled on 1 both ends end of outer cylinder.Anti-surge installation is fixed on Blower Housing 11 by being fixedly connected with flange 10.
Above content is only illustrations made for the present invention described in this specification.Technology belonging to the present invention
The technical staff in field can do various modifications or supplement or is substituted in a similar manner to described specific embodiment, only
It should belong to guarantor of the invention without departing from the content or beyond the scope defined by this claim of description of the invention
Protect range.
Claims (4)
1. a kind of underground fan anti-surge installation, it is characterised in that: include outer cylinder, anchor ring, current stabilization ring and several flow deflectors, outer cylinder
Comprising intermediate main cylinder a and the inclination cylinder a and elongated end cylinder at the both ends intermediate main cylinder a are set, inclination cylinder a is circle
It bench-type cylinder and larger one end diameter and intermediate main cylinder a diameter matches and is fixedly connected, inclines with the both ends intermediate main cylinder a
The oblique smaller one end diameter of cylinder a is matched with elongated end cylinder and is fixedly connected with elongated end cylinder, and anchor ring includes intermediate main cylinder
The body b and inclination cylinder b that the both ends intermediate main cylinder b are arranged in, inclination cylinder b are circular platform type cylinder, tilt the smaller one end cylinder b
It diameter and intermediate main cylinder b diameter matches and is fixedly connected with intermediate main cylinder b, current stabilization ring is cylindrical tube and current stabilization
Ring setting is arranged concentrically and is located at outer cylinder both ends with outer cylinder, and current stabilization ring is located between inclination cylinder a and inclination cylinder b, flow deflector
It is arranged and is fixed on the cavity inner wall that inclination cylinder a, inclination cylinder b and current stabilization ring side are constituted along outer cylinder axis direction, if
Dry flow deflector is along outer cylinder circumferential direction equidistantly distributed in cavity inner wall.
2. underground fan anti-surge installation described in accordance with the claim 1, it is characterised in that: the flow deflector is irregular seven side
Shape, wherein while a and while b between angle be 45 °, between side b, c, d be right angle, angle is 135 ° between side d, e, between side e, f
For right angle, side f, g angle is 135 °, and side g, a angle is 135 °.
3. underground fan anti-surge installation according to claim 2, it is characterised in that: the side b length is 25mm, side c
Length is 5mm, and side d length is 66.5mm, and flow deflector horizontal direction projects total length 103.5mm, the projection of flow deflector vertical direction
Total length 30mm, side g length 60.5mm.
4. underground fan anti-surge installation described in accordance with the claim 1, it is characterised in that: the outer cylinder both ends are provided with fixation
Connecting flange is fixedly connected with flange and is axially arranged perpendicular to outer cylinder and is fixed on outer cylinder both ends end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910154553.5A CN109826829A (en) | 2019-03-01 | 2019-03-01 | Underground fan anti-surge installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910154553.5A CN109826829A (en) | 2019-03-01 | 2019-03-01 | Underground fan anti-surge installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109826829A true CN109826829A (en) | 2019-05-31 |
Family
ID=66865038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910154553.5A Pending CN109826829A (en) | 2019-03-01 | 2019-03-01 | Underground fan anti-surge installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109826829A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2245312A (en) * | 1984-06-19 | 1992-01-02 | Rolls Royce Plc | Axial flow compressor surge margin improvement |
| CN2547926Y (en) * | 2002-06-25 | 2003-04-30 | 天津市通风机厂 | Anti-surge two-way axial-flow fan |
| CN1420285A (en) * | 2001-11-15 | 2003-05-28 | 北京新安特玻璃钢设备有限公司 | Positive- and negative-direction blowing-in and-out stilling -eliminating fan |
| JP2008248734A (en) * | 2007-03-29 | 2008-10-16 | Mitsubishi Heavy Ind Ltd | Blade for axial flow fluid machine |
| CN201763697U (en) * | 2010-09-21 | 2011-03-16 | 浙江亿利达风机股份有限公司 | Subway fan |
| CN205991035U (en) * | 2015-12-29 | 2017-03-01 | 安徽国茂机电设备有限公司 | A kind of bidirectional reversible subway tunnel fan anti-surge installation |
| CN106704243A (en) * | 2017-02-10 | 2017-05-24 | 浙江金盾风机股份有限公司 | Integral anti-surge device for spinning forming of subway axial flow fan |
-
2019
- 2019-03-01 CN CN201910154553.5A patent/CN109826829A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2245312A (en) * | 1984-06-19 | 1992-01-02 | Rolls Royce Plc | Axial flow compressor surge margin improvement |
| CN1420285A (en) * | 2001-11-15 | 2003-05-28 | 北京新安特玻璃钢设备有限公司 | Positive- and negative-direction blowing-in and-out stilling -eliminating fan |
| CN2547926Y (en) * | 2002-06-25 | 2003-04-30 | 天津市通风机厂 | Anti-surge two-way axial-flow fan |
| JP2008248734A (en) * | 2007-03-29 | 2008-10-16 | Mitsubishi Heavy Ind Ltd | Blade for axial flow fluid machine |
| CN201763697U (en) * | 2010-09-21 | 2011-03-16 | 浙江亿利达风机股份有限公司 | Subway fan |
| CN205991035U (en) * | 2015-12-29 | 2017-03-01 | 安徽国茂机电设备有限公司 | A kind of bidirectional reversible subway tunnel fan anti-surge installation |
| CN106704243A (en) * | 2017-02-10 | 2017-05-24 | 浙江金盾风机股份有限公司 | Integral anti-surge device for spinning forming of subway axial flow fan |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190531 |
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| RJ01 | Rejection of invention patent application after publication |