CN2929498Y - Electric station hot wind door - Google Patents
Electric station hot wind door Download PDFInfo
- Publication number
- CN2929498Y CN2929498Y CN 200620075203 CN200620075203U CN2929498Y CN 2929498 Y CN2929498 Y CN 2929498Y CN 200620075203 CN200620075203 CN 200620075203 CN 200620075203 U CN200620075203 U CN 200620075203U CN 2929498 Y CN2929498 Y CN 2929498Y
- Authority
- CN
- China
- Prior art keywords
- door
- doorframe
- plate
- hinge
- door frame
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Wing Frames And Configurations (AREA)
Abstract
The utility model discloses a power and heating center air door, comprising a door frame and a door plate, wherein a shaft locking and a shaft moving are equipped on the door plate not adjacent to the door frame, a cam is equipped on the shaft locking, one end of which is equipped on a vertical jamb of the door frame in a rotating form and jets outside, a locking cylinder is equipped on the door frame near the outer end of the shaft locking, one end of the shaft locking is connected with the door frame, the other end is connected with the outer end of the shaft locking, one end of the shaft moving is fixed on the door plate, the other end is flexibly fixed on another vertical jamb of the door frame and overhangs outside, and a propulsion cylinder is equipped outside the far door frame near the outer portion of shaft moving, one end of the propulsion cylinder is connected with the outside portion of the door frame, the other end is connected with the outer end of the shaft locking, which is characterized in that guide rails are equipped on one upper side of the door frame near the door plate wherein guide wheels are equipped inside the guide rail, the guide wheels are connected along the upper edging of the door plate by a folded hinge, which makes the door plate in a swaying situation and hanging under the upper door frame, and a dent is equipped around the door frame and the door plate wherein soft sealing slices are equipped inside the dent. The power and heating center air door has a low error rate, a low maintenance fee, an ability to ensure the normal operation of the boiler which is suitable for boiler's coal supply in fuel power station.
Description
Technical field
The utility model relates to a kind of air door.Be to be used for the coal dust that flour mill grinds is sent into the power station hot blast door of boiler specifically, be applicable to that thermal power station is the boiler coal supply.
Background technology
At present, on the boiler of thermal power station, all be furnished with coal pulverizer, be processed with on the coal pulverizer and be used for providing the air door of coal dust for boiler.During boiler operatiopn, this air door is opened, and is blown into when by coal pulverizer coal being clayed into power in the burner hearth of boiler.When boiler is out of service,, air door can be closed in the out-of-work while of coal pulverizer.
Traditional air door all is to adopt in its door-plate bottom guide wheel and guide rail are installed, and the sealing between door-plate and doorframe all is to take machined grooves around door-plate, and installs in groove that sealing strip realizes.Owing to realize by installation guide wheel and guide rail bottom door-plate between door-plate and doorframe, door-plate can not be towards the direction swing of two face.Again because the sealing between door-plate and doorframe all is to take machined grooves around door-plate, and install in groove that sealing strip realizes.Because the effect of iron square hinge on the effect of hot blast and the door-plate, fitting together tightly between door-plate and sealing strip makes when door-plate moves fragile sealing strip.Therefore need often to change sealing strip, repair cumbersome.In addition, because guide rail is in door-plate bottom, the easy ash that falls, door-plate also will overcome the resistance that dust stratification brings when mobile.In case dust stratification is serious in the guide rail, can cause door-plate to move and be obstructed.And once door-plate moves and is obstructed, keep in repair with regard to needing to shut down.Therefore, this air door is fault rate height, maintenance cost height not only, also can influence the normal operation of boiler.
The utility model content
Problem to be solved in the utility model provides a kind of power station hot blast door.This power station hot blast door, fault rate is low, maintenance cost is low, can guarantee the normal operation of boiler.
For addressing the above problem, take following technical scheme:
Power station of the present utility model hot blast door comprises doorframe and door-plate.Be the sealing shape between door-plate and doorframe and be connected, lock shaft is arranged on its not adjacent with doorframe one side and move door-hinge.Said lock shaft and move door-hinge and be lateral arrangement and be parallel to each other.Wherein, cam is arranged on the lock shaft, the one end is on the vertical edge frame that rotatable shape is installed in doorframe and extends.Near on the doorframe at lock shaft overhanging end place locking cylinder is arranged, (vertical, the one end is connected with doorframe this locking cylinder mutually, and the other end links to each other with the lock shaft overhanging end with lock shaft.An end that moves door-hinge is fixed on the door-plate, and its other end is on another vertical edge frame that moving type is installed in doorframe and extends.Near the doorframe outside of moving door-hinge overhanging end place propulsion cylinder is arranged, this propulsion cylinder with move door-hinge and be on the same level, the one end is fixed on the doorframe outside, the other end with move the door-hinge overhanging end and link to each other.Be characterized near the doorframe one side top of door-plate guide rail being arranged, this guide rail is lateral arrangement, and directive wheel is arranged in it.Said directive wheel is hinged by hinge-type hinge and door-plate upper edge, and make door-plate be the swing shape be suspended under the upper side frame of doorframe.Fluted around the proximal surface of doorframe and door-plate, groove is embedded with flexible sealing strip.
Take such scheme, have the following advantages:
Because the utility model has directive wheel near guide rail being arranged above doorframe one side of door-plate in the guide rail, directive wheel is hinged by hinge-type hinge and door-plate upper edge, and door-plate is and swings shape and be suspended under the upper side frame of doorframe.And around the proximal surface of doorframe and door-plate, being processed with groove, groove is embedded with flexible sealing strip.Said flexible sealing strip protrudes outside groove.When door-plate moved, because the hinge effect of hot blast and door-plate top, the sealing strip that door-plate can be blown off made sealing strip not fragile, has not only prolonged the service life of sealing strip, and maintenance easily.Again owing to guide rail is being arranged near above doorframe one side of door-plate, directive wheel is arranged in the guide rail, directive wheel is hinged by hinge and door-plate upper edge, and door-plate is the swing shape and is suspended under the upper side frame of doorframe, only there is the rolling friction of Points And lines, avoided the friction of face, frictional force is relatively disperseed, and resistance is less.Again because guide rail is in doorframe top, can dust stratification in the guide rail, avoided because the door-plate that the guide rail dust stratification brings moves the situation generation of being obstructed, thereby not only reduced fault rate and maintenance cost, can also guarantee the normal operation of boiler.
Description of drawings
Fig. 1 is a power station of the present utility model hot blast door schematic diagram;
Fig. 2 is the A-A cross-sectional schematic of Fig. 1.
The specific embodiment
As shown in Figure 1 and Figure 2, power station of the present utility model hot blast door contains doorframe 11 and door-plate 2, vertically being length and laterally being that width is respectively greater than the length and the width of doorframe 11 inner side edges of door-plate 2.Top, doorframe 11 1 sides near door-plate 2 is equipped with guide rail 6, this guide rail is lateral arrangement, two directive wheels 5 are installed in it, these two directive wheels link together by the upper edge of a hinge-type hinge 7 with door-plate 2 respectively, thereby door-plate 2 is suspended under the guide rail 6, and can be to two face direction swing under the effect of hinge-type hinge 7.The one side that door-plate 2 is not adjacent with doorframe 11 is provided with two lock shafts 10 and one and moves door-hinge 9, and these two lock shafts and one move door-hinge and all is between lateral arrangement and they and parallels.Wherein, two lock shafts 10 are the upper and lower part that symmetry shape is arranged in door-plate 2, move door-hinge 9 and then are between two lock shafts 10.Two cams 1 all are installed on two lock shafts 10.Be processed with two through holes accordingly on two vertical edge frames of doorframe 11, the two ends of two lock shafts 10 are rotatable shape by bearing and penetrate in this two through hole, and their same end extends.Doorframe 11 arranged outside near lock shaft 10 overhanging end places have two locking cylinders 4.Two trivial tight cylinders 4 are vertical with lock shaft 10, and they are in the above and below of lock shaft 10 respectively, and their end is fixed on the outside upper and lower of doorframe 11, and their other end is connected with the lock shaft 10 of upper and lower respectively.Can drive lock shaft 10 rotations by two locking cylinders 4, the rotation of lock shaft 10 can drive cam 1 rotation on it again, thereby makes door-plate 2 press to doorframe 11 1 sides.Be to be processed with groove around the proximal surface of itself and door-plate 2 on the doorframe 11, groove is embedded with flexible sealing strip 12; Said flexible sealing strip 12 is a rubber weather strip, and it protrudes outside groove.At closing time, under lock shaft 10 and action of cam, door-plate 2 tightly is pressed on the flexible sealing strip 12, thereby realizes the sealing of 11 on door-plate 2 and doorframe.And when opening the door, door-plate 2 flexible sealing strip 12 that blown off under the effect of hot blast and hinge-type hinge 7, thus realized opening the door easily.
Said door-hinge one end that moves is fixed on the door-plate by pressing plate and screw, is processed with through hole in the middle of another vertical edge frame of doorframe, and the other end that moves door-hinge is and extends after moving type penetrates this through hole.Be provided with a propulsion cylinder near moving door-hinge overhanging end one side, this propulsion cylinder with move door-hinge and be in same horizontal seat and set up, the one end is fixed on the doorframe outside, the other end with move the door-hinge overhanging end and link to each other.By stretching of propulsion cylinder, can realize the move left and right of door-plate, thereby realize opening and closing of air door.
Claims (2)
1. hot blast door in power station comprises doorframe (11) and door-plate (2); Be the sealing shape between door-plate (2) and doorframe (11) and be connected, lock shaft (10) is arranged and move door-hinge (9) on its not adjacent one side with doorframe (11); Said lock shaft (10) and move door-hinge (9) and be lateral arrangement and be parallel to each other; Wherein, cam (1) is arranged on the lock shaft (10), the one end is on the vertical edge frame that rotatable shape is installed in doorframe (11) and extends; Near on the doorframe (11) at lock shaft (10) overhanging end place locking cylinder (4) is arranged, this locking cylinder is vertical with lock shaft (10), and the one end is connected mutually with doorframe (11), and the other end links to each other with lock shaft (10) overhanging end; An end that moves door-hinge (9) is fixed on the door-plate (2), and its other end is on another vertical edge frame that moving type is installed in doorframe (11) and extends; Near doorframe (11) outside of moving door-hinge (9) overhanging end place propulsion cylinder (8) is arranged, this propulsion cylinder with move door-hinge (9) and be on the same level, the one end is fixed on the doorframe outside, the other end with move door-hinge (9) overhanging end and link to each other; It is characterized in that near doorframe (11) the one sides top of door-plate (2) guide rail (6) being arranged, this guide rail is lateral arrangement, and directive wheel (5) is arranged in it; Said directive wheel (5) is hinged by hinge-type hinge (7) and door-plate (2) upper edge, and makes door-plate (2) be the swing shape to be suspended under the upper side frame of doorframe (11); Doorframe (11) is fluted all around with the proximal surface of door-plate (2), and groove is embedded with flexible sealing strip (12).
2. power station according to claim 1 hot blast door is characterized in that said directive wheel (5) and hinge-type hinge (7) are two, and this two directive wheel and hinge-type hinge all are symmetry shape and are arranged between doorframe (11) and the door-plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620075203 CN2929498Y (en) | 2006-07-17 | 2006-07-17 | Electric station hot wind door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620075203 CN2929498Y (en) | 2006-07-17 | 2006-07-17 | Electric station hot wind door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2929498Y true CN2929498Y (en) | 2007-08-01 |
Family
ID=38307880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620075203 Expired - Lifetime CN2929498Y (en) | 2006-07-17 | 2006-07-17 | Electric station hot wind door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2929498Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047865A (en) * | 2012-12-19 | 2013-04-17 | 苏州工业园区姑苏科技有限公司 | Automatic closing pinch device for furnace door |
-
2006
- 2006-07-17 CN CN 200620075203 patent/CN2929498Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047865A (en) * | 2012-12-19 | 2013-04-17 | 苏州工业园区姑苏科技有限公司 | Automatic closing pinch device for furnace door |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201924728U (en) | Sliding door and window wheel set | |
| CN205373389U (en) | Translation door and vacuum drying equipment | |
| CN205279748U (en) | Three -doors vacuum furnace | |
| CN201599060U (en) | Hydraulic vertical-rotatable type anti-submerging protective closed isolation door in metro sections | |
| CN203430337U (en) | Sliding door and window device | |
| CN201672528U (en) | Double-insertion mechanical locking hot air isolating door | |
| CN2929498Y (en) | Electric station hot wind door | |
| CN103590723A (en) | Hot air isolating door of thermal power station coal mill | |
| CN2924325Y (en) | Suspension type hot air disperser | |
| CN105002850A (en) | Hinged type plane combined locking sealing mechanism | |
| CN201272475Y (en) | Upper open type hydraulic watertight door | |
| CN208153044U (en) | A kind of Air Throttle in Mine Pit self-locking device | |
| CN206319902U (en) | A kind of two-sided air door of coordinated type | |
| CN202266133U (en) | A door hinge structure | |
| CN201433678Y (en) | Overturn type insulation door | |
| CN210264402U (en) | Switch box with side sliding door | |
| CN201763155U (en) | Double-machine type electric folding door | |
| CN209321845U (en) | A kind of glass homogeneous furnace feed rail turnover device | |
| CN101586431A (en) | Overturn type insulation gate | |
| CN202692692U (en) | High-temperature heating furnace door sealing structure | |
| CN202017510U (en) | Double-shaft movable pressure-free air door | |
| CN207332929U (en) | The mine air door passed through easy to pedestrian | |
| CN201265748Y (en) | Electric regulation throttle | |
| CN213115993U (en) | Can prevent hot-blast isolated door mechanism of coal pulverizer of bite and air leakage | |
| CN206157674U (en) | Spin locking structure for gate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070801 |
|
| EXPY | Termination of patent right or utility model |