CN2637924Y - Air sealing double layer blade plate insertion door - Google Patents
Air sealing double layer blade plate insertion door Download PDFInfo
- Publication number
- CN2637924Y CN2637924Y CN 03277382 CN03277382U CN2637924Y CN 2637924 Y CN2637924 Y CN 2637924Y CN 03277382 CN03277382 CN 03277382 CN 03277382 U CN03277382 U CN 03277382U CN 2637924 Y CN2637924 Y CN 2637924Y
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- CN
- China
- Prior art keywords
- blade
- framework
- insertion plate
- plate door
- frame
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- 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.)
- Expired - Lifetime
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- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The utility model relates to power equipment, particularly a device for blocking or conducting the flue gas in an air flue for a heat power plant or other desulfuration systems. According the design approach provided by the utility model, a frame is arranged at a blade edge, a sealing strip is arranged in the frame, and a through hole is arranged on the sealing strip. The blade is a double-layer blade formed from a double-layer plate, and a supporting plate is arranged between the double-layer plate. A sealing air inlet flange is arranged on a blade box. The sealing air inlet is communicated with a sealing air channel which is arranged in the frame on the blade through a sealing air channel arranged in the blade box. The utility model can overcome the problem of leakage of the flue gas or dust from the blade edge when the blade spile door is closed. Therefore, the sealing properties of the entire blade spile door are ensured.
Description
Technical field
The utility model relates to power equipment, and specifically a kind of being applied to stops the device of flue gas or admittance flue gas in thermal power plant and other desulphurization systems in flue.
Background technology
Along with the day by day raising of countries in the world to environmental requirement, general power plant boiler flue gas system has become the environmental practice of domestic and international power plant mandatory adoption.Insertion plate door in flue system and the pulverized coal preparation system is the vitals in the system, plays the effect of isolated or admittance flue gas or dust.
Is zero specification requirement to baffle door in the leakage rate of closing Shi Junyou requirement flue gas or dust.In the prior art, do not add the common baffle door of special measure, can't realize the zero leakage technical indicator of flue gas or dust.
The utility model content
The purpose of this utility model is to design a kind of aeroseal twi-tier blade insertion plate door, overcoming insertion plate door when closing, and the leakage problem of blade edge place flue gas or dust, thereby, guarantee the sealing property of whole insertion plate door.
Design according to the utility model provides is provided with frame at the edge of blade, and diaphragm seal is set in frame, and through hole is set on diaphragm seal.
Blade constitutes twi-tier blade by doubling plate, and fagging is set between doubling plate.The sealing air inlet flange is set, the sealing air passage of sealing air intake in the blade box and the sealing air channel connection that is arranged in the frame on the blade on the blade box.On the guide rail of framework both sides, seal is set, be arranged at frame on the blade and be enclosed within the outside of guide rail, diaphragm seal in the frame is close on the guide rail, seal on the guide rail is close on the blade, the sealing strip of the horizontal whole framework of perforation is set on the framework below the rotating shaft, and sealing strip is close on the blade.
On framework, utilize rotating shaft mount pin shaft gear, be installed on the blade with the bearing pin tooth bar of bearing pin gears engaged.The bearing pin tooth bar is installed on the lee face of blade, and has approximately parallel two, and corresponding bearing pin gear also has two, and, be positioned at the lee face of blade equally.The guide rail that cooperates with blade is set on framework.Top at framework is provided with the blade box of being convenient to the blade insertion, on the wall of blade box reinforcement is set.Rotating shaft utilizes the bearing and the support of bearing thereof to be installed on the framework, and electric device utilizes support to be installed on the middle part of framework, and electric device is connected with rotating shaft, and the gear-box that is installed on the framework is arranged in the outside of bearing pin gear.Block is set on framework, and this block utilizes bolt, pressing plate and disk spring to be installed on the framework, and block contacts with blade.
The drive mechanism of insertion plate door is inequality with conventional baffle door, is a kind of new-type structure of utilizing bearing pin gear and bearing pin tooth bar to drive, and the switch motion of its energy smooth drive blade drives the efficient height.Driving torque is also corresponding to be reduced, and motor power (output) is also corresponding to be reduced.And make the volume-diminished of whole insertion plate door,
This device is a twi-tier blade aeroseal insertion plate door, solved the leakage problem of insertion plate door blade edge place flue gas or dust when closing, thereby, guarantee the sealing property of whole insertion plate door, solved the insurmountable leakage problem of mechanical seal that common insertion plate door adopts usually.
Major technique characteristics of the present utility model are: 1, the blade of aeroseal insertion plate door is double-deck, be different from conventional insertion plate door blade, by designing requirement, the edge of twi-tier blade is provided with frame, elastic sealing strip is set in frame, form the sealing air cavity with framework, carry sealing air to blade by the blade box; 2, the sealing air cavity of blade edge and elastic sealing strip match with sealing guide rail on the framework, form an airtight cavity, can charge into the high pressure sealing air in the cavity; 3, the pressure of sealing air is greater than flue gas pressures, and sealing air forms the pressure-air curtain at blade between the slit of framework, thoroughly blocks the leakage by the slit of flue gas or dust, reaches baffle door zero the revealing of flue gas or dust when closing fully; 4, at the lee face of blade, be inlaid with two bearing pin tooth bars, two bearing pin gears pass in and out the blade box by the rack drives blade, and this double rack drives structure is when driven vane moves, very steady.5, this driving mechanism than the driving mechanism compactness of common insertion plate door many, the installation volume that can dwindle insertion plate door reduces material consumption.
Cooperate the switch motion of driven vane by the bearing pin wheel and rack.Can steadily move when guaranteeing whole insertion plate door blade turnover blade box; This drives structure form can make the volume-diminished, simple in structure of insertion plate door.
Description of drawings
Fig. 1 is a structure chart of the present utility model.Fig. 2 is the profile of center line longitudinally among Fig. 1.
Fig. 3 is the enlarged drawing of C among the figure.Fig. 4 is the plane of blade.
Fig. 5 is the D-D view of Fig. 4.Fig. 6 is the E-E view of Fig. 4.
Fig. 7 is the plane of framework.Fig. 8 is the F-F view of Fig. 7.
Fig. 9 is the upward view of Fig. 7.Figure 10 is the enlarged drawing of G among Fig. 7.
Figure 11 is the enlarged drawing of H among Fig. 9.Figure 12 is the enlarged drawing of N among Fig. 5.
The specific embodiment
As shown in the figure: utilize rotating shaft 6 mount pin shaft gears 7 on framework 1, the bearing pin tooth bar 11 that meshes with bearing pin gear 7 is installed on the blade 2.Bearing pin tooth bar 11 is installed on the lee face of blade 2, and there are approximately parallel two, corresponding bearing pin gear 7 also has two, and, be positioned at the lee face of blade 2 equally, rotating shaft 6 utilizes the bearing 5 and the support of bearing 22 thereof to be installed on the framework 1, and electric device 8 utilizes support 9 to be installed on the middle part of framework 1, and electric device 8 is connected with rotating shaft 6.The gear-box 37 that is installed on the framework 1 is arranged in the outside of bearing pin gear 7, avoid damage with the guard pin shaft gear, rotating shaft 6 is rotated under the drive of electric device 8, drive bearing pin gear 7 and 11 motions of bearing pin tooth bar, finally drive blade 2 upper and lower moving, realize the Push And Release of blade 2, when blade 2 rises, promptly open exhaust gases passes, when blade 2 moves down, closing passage then; After utilizing two bearing pin tooth bars 11 and bearing pin gear 7, can further improve stability and the reliability of blade 2 when moving.The guide rail 35 that cooperates with blade 2 is set on framework 1, when moving, obtains guiding reliably with convenient blade 2.Top at framework 1 is provided with the blade box 27 of being convenient to blade 2 insertions, reinforcement 38 is set on the wall of blade box 27, blade box 27 is used to insert blade 2 on the one hand, the sealing air inlet can be set on blade box 27 simultaneously, make in the blade box 27 and be full of compressed air, utilize passage that compressed air is fed in the sealing air cavity in the frame 30 around the blade 2 again, form compressed air sealing at blade 2 and 1 of framework, thoroughly to stop the leakage of flue gas and dust, above-mentioned reinforcement 38 is used to improve the intensity of blade box 27.Block 15 is set on framework 1, this block 15 utilizes bolt 12, pressing plate and disk spring 13 to be installed on the framework 1, and block 15 contacts with blade 2, and block is horizontal bar, be mainly used in whole plate blade 2 is led, in order to avoid blade 2 is when moving, the phenomenon that occurs rocking, above-mentioned guide rail 35 also is used for guiding, but guide rail 35 only with the EDGE CONTACT of blade 2, only the edge to blade 2 leads, and block 15 is parallel with the axis of pitch of blade, and the whole plate face of blade 2 is led.
At the edge of blade 2 frame 30 is set, diaphragm seal 32 is set in frame 30, on diaphragm seal 32, through hole is set, frame 30 cooperates with guide rail 35 on the one hand, to obtain good guiding, simultaneously again as the sealing air cavity, add cooperating of the diaphragm seal 2 that is arranged in the frame 30 and guide rail 35 and framework 1, just can obtain good sealing effectiveness, blade 2 constitutes twi-tier blade by doubling plate 33,33 of doubling plates fagging 34 twi-tier blades is set and has higher intensity, can frame 30 be set at blade 2 edges again, form the sealing air cavity, fagging 34 is used to improve intensity.Sealing air inlet flange 10 is set on blade box 27, the sealing air passage of sealing air intake in blade box 27 and the sealing air channel connection that is arranged in the frame 30 on the blade 2, compressed air enters in the blade box 27 from the sealing air inlet, again in passage enters the frame 27 at blade 2 edges, when blade 2 is in closed condition, in the gap of blade 2 and framework 1, be full of compressed air, make interior flue gas of flue and dust can't pass through clearance leakage.For further improving sealing effectiveness, can on the guide rail 35 of framework 1 both sides, seal 39 be set, frame 30 is enclosed within the outside of guide rail 35, makes the diaphragm seal 32 in the frame 30 be close to the good sealing of formation on the guide rail 35, and the seal 39 on the guide rail 35 is close on the blade 2.The sealing strip 3 of the whole framework 1 of horizontal perforation is set on the framework below the rotating shaft 61, and sealing strip 3 is close on the blade 2, and sealing strip 3 is used for isolated flue gas or dust leaks through the plate face direction of blade 2.Among the figure 4 is gland seal device, 14 is bolt, 16 is the cover plate of gear-box 37,17,18 is bolt, and 21 is the blade lamina tecti, and 23,24 is gasket seal, 26 is axle sleeve, 30,30 ' be respectively frame and the side frame that is positioned at the side, 31 is the side plate that bearing pin 19 is installed in the bearing pin tooth bar 11, and 36 is seal bar.
Claims (10)
1, aeroseal twi-tier blade insertion plate door comprises framework (1) and blade (2), it is characterized in that: at the edge of blade (2) frame (30) is set, diaphragm seal (32) is set in frame (30), on diaphragm seal (32) through hole is set.
2, insertion plate door according to claim 1 is characterized in that: blade (2) constitutes twi-tier blade by doubling plate (33), and fagging (34) is set between doubling plate (33).
3, insertion plate door according to claim 1, it is characterized in that: sealing air inlet flange (10) is set, the sealing air passage of sealing air intake in blade box (27) and the sealing air channel connection that is arranged in the frame (30) on the blade (2) on blade box (27).
4, insertion plate door according to claim 1, it is characterized in that: on the guide rail (35) of framework (1) both sides, seal (39) is set, be arranged at frame (30) on the blade (2) and be enclosed within the outside of guide rail (35), diaphragm seal (32) in the frame (30) is close on the guide rail (35), seal (39) on the guide rail (35) is close on the blade (2), the sealing strip (3) of the whole framework of horizontal perforation (1) is set on the framework (1) of rotating shaft (6) below, and sealing strip (3) is close on the blade (2).
5, insertion plate door according to claim 1 is characterized in that: utilize rotating shaft (6) mount pin shaft gear (7) on framework (1), the bearing pin tooth bar (11) that meshes with bearing pin gear (7) is installed on the blade (2).
6, insertion plate door according to claim 1 or 5, it is characterized in that: bearing pin tooth bar (11) is installed on the lee face of blade (2), and has approximately parallel two, and corresponding bearing pin gear (7) also has two, and, be positioned at the lee face of blade (2) equally.
7, insertion plate door according to claim 1 is characterized in that: go up at framework (1) guide rail (35) that cooperates with blade (2) is set.
8, insertion plate door according to claim 1 is characterized in that: be provided with on the top of framework (1) and be convenient to the blade box (27) that blade (2) inserts, reinforcement (38) is set on the wall of blade box (27).
9, insertion plate door according to claim 1 or 5, it is characterized in that: rotating shaft (6) utilizes the bearing (5) and the support of bearing (22) thereof to be installed on the framework (1), electric device (8) utilizes support (9) to be installed on the middle part of framework (1), electric device (8) is connected with rotating shaft (6), and the gear-box (37) that is installed on the framework (1) is arranged in the outside of bearing pin gear (7).
10, insertion plate door according to claim 1 is characterized in that: block (15) is set on framework (1), and this block (15) utilizes bolt (12), pressing plate and disk spring (13) to be installed on the framework (1), and block (15) contacts with blade (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03277382 CN2637924Y (en) | 2003-08-02 | 2003-08-02 | Air sealing double layer blade plate insertion door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03277382 CN2637924Y (en) | 2003-08-02 | 2003-08-02 | Air sealing double layer blade plate insertion door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2637924Y true CN2637924Y (en) | 2004-09-01 |
Family
ID=34302762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03277382 Expired - Lifetime CN2637924Y (en) | 2003-08-02 | 2003-08-02 | Air sealing double layer blade plate insertion door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2637924Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022743A (en) * | 2010-11-09 | 2011-04-20 | 杭州杭锅通用设备有限公司 | A built-in type blind plate |
| CN103352640A (en) * | 2013-07-24 | 2013-10-16 | 无锡市华通电力设备有限公司 | Hot air isolated door locking mechanism |
| CN106678847A (en) * | 2015-11-10 | 2017-05-17 | 黑龙江双锅锅炉股份有限公司 | Ash deposition and moisture condensation preventing, high temperature resisting and load tracking controllable multidirectional flow convection heat exchange flue |
-
2003
- 2003-08-02 CN CN 03277382 patent/CN2637924Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022743A (en) * | 2010-11-09 | 2011-04-20 | 杭州杭锅通用设备有限公司 | A built-in type blind plate |
| CN102022743B (en) * | 2010-11-09 | 2013-04-03 | 杭州杭锅通用设备有限公司 | A built-in type blind plate |
| CN103352640A (en) * | 2013-07-24 | 2013-10-16 | 无锡市华通电力设备有限公司 | Hot air isolated door locking mechanism |
| CN103352640B (en) * | 2013-07-24 | 2015-11-04 | 无锡市华通电力设备有限公司 | Hot air isolating door locking mechanism |
| CN106678847A (en) * | 2015-11-10 | 2017-05-17 | 黑龙江双锅锅炉股份有限公司 | Ash deposition and moisture condensation preventing, high temperature resisting and load tracking controllable multidirectional flow convection heat exchange flue |
| CN106678847B (en) * | 2015-11-10 | 2019-03-12 | 黑龙江双锅锅炉股份有限公司 | The controllable multidirectional stream heat convection flue of anti-dust stratification moisture condensation high temperature resistant and follow load |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130802 Granted publication date: 20040901 |