CN209458413U - A kind of refractory seals butterfly isolation door gear - Google Patents
A kind of refractory seals butterfly isolation door gear Download PDFInfo
- Publication number
- CN209458413U CN209458413U CN201822170583.9U CN201822170583U CN209458413U CN 209458413 U CN209458413 U CN 209458413U CN 201822170583 U CN201822170583 U CN 201822170583U CN 209458413 U CN209458413 U CN 209458413U
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- door
- shell
- main shaft
- completely cuts
- refractory seals
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Abstract
The utility model discloses a kind of refractory seals butterflies to completely cut off door gear, including toroidal shell, and shell upper and lower ends are separately installed with diameter changing nipple, and diameter changing nipple is used for connecting pipe；Sealing shroud is installed along inner ring in the shell, sealing is fitted with isolation door on sealing shroud, completely cuts off on door and is equipped with self-compensating device；The self-compensating device includes high temperature spring and cranks arm, it is described crank arm one end with to completely cut off the hinged seat that is equipped on centerline of door hinged, it cranks arm and is equipped with high temperature spring between the other end and isolation door, main shaft is installed on cranking arm, main shaft can drive rotary motion of cranking arm, main shaft both ends pass through shell, the main shaft is eccentrically mounted with respect to shell circle ring center, and the opposite rotatable movement of shell, the utility model solves the problems, such as that isolation door is not closed completely, leaks outside in hot air isolating door, the switching and retired maintenance for facilitating equipment significantly, improve the safety of service personnel.
Description
Technical field
The utility model belongs to station boiler smoke wind pipe accessory technical field, and in particular to a kind of refractory seals butterfly
Completely cut off door gear.
Background technique
Hot air isolating door is mainly used for station boiler smoke wind pipe system various subsidiary engines (pressure fan, air preheater, coal pulverizer
Deng) reliable isolation, facilitate isolation of system, switching and carry out corresponding service work.For many years, each power plant is because of isolation door isolation
Be not closed completely, dust stratification is stuck, high temperature shutoff is not flexible, in isolation door leakage etc. and passively shut down phenomenon and increase, cause maintenance tired
It is difficult.
This transformation completely cuts off the following problem of door for existing interposer type: 1, the hot air isolating door inner disk root long phase is living
It is dynamic, it is poorly sealed, cause heat primary air to leak, coal pulverizer internal temperature is higher when stoppage in transit, influences coal pulverizer internal overhaul；2, because
Hot air isolating door is board plug type, is easy dust stratification in the trench, causes isolation door switch not in place, influences coal pulverizer and normally open
Stop；3, hot air isolating door adjustment in cold air condition finishes, and because of packing and seal box high temperature deformation after starting, turns off not sternly, causes inside and outside
Leakage is serious；4, structure is complicated, needs locking device, reinforces sealing, increases maintenance cost.
Summary of the invention
The utility model is adopted the technical scheme that in order to achieve the above objectives:
A kind of refractory seals butterfly isolation door gear, including toroidal shell, shell upper and lower ends are separately installed with variable diameter
Pipe nipple, diameter changing nipple are used for connecting pipe；Sealing shroud is installed along inner ring in the shell, seals and is fitted on sealing shroud
Completely cut off door, completely cuts off on door and self-compensating device is installed；The self-compensating device includes high temperature spring and cranks arm, described one end of cranking arm
It is hinged with the hinged seat that is equipped on centerline of isolation door, crank arm and be equipped with high temperature spring between the other end and isolation door, crank arm on
Main shaft is installed, main shaft can drive rotary motion of cranking arm, and main shaft both ends pass through shell, and the main shaft is inclined with respect to shell circle ring center
It feels at ease dress, and the opposite rotatable movement of shell.
Preferably, it is equipped with retaining ring between the shell and isolation door, for protecting isolation door.
Preferably, the shell inner ring is installed with expansion joint, and expansion joint is located at the sealing station of isolation door and sealing shroud.
Preferably, the isolation door and sealing shroud are all made of metal material.
Preferably, described crank arm is coupled with main shaft by keyway.
Preferably, it is equipped with short connector between the high temperature spring and isolation door, high temperature spring and is equipped with length between cranking arm
Connector.
Preferably, the main shaft both ends and housing junction are equipped with copper sheathing.
Preferably, described main shaft one end is equipped with pointer and dial, is used to refer to isolation door opening position.
Preferably, the self-compensating device is symmetrically arranged with 2 along shell circle ring center.
Preferably, described main shaft one end is equipped with power device.
It is had the beneficial effect that possessed by the utility model
1, former hot air isolating door form is transformed, butterfly valve type is changed to by interposer type, no mobile runway, facility switching and
Arrangement is flexible, and switch time is short, there is no because of dust stratification bite, fundamentally solves former hot wind insertion plate door, post position
Dust stratification is serious, causes plate door switch not in place, fundamentally solves isolation door before and is not closed completely, inside and outside hot air isolating door
The problem of leakage, facilitates the switching and retired maintenance of equipment significantly, improves the safety of service personnel；
2, using complete closed circle metallic sealing section, eliminate what former packing_seal bad seals can not be sealed normally
Situation is isolated tight, sealed reliable, effectively eliminates interior leakage phenomenon；
3, using self compensation fit sealing device, thermal deformation difference can be effectively absorbed, equipment is reduced and answers degree, is improved
Equipment dependability, reduces maintenance cost；
4, equipment design has retaining ring protection isolation door, makes to completely cut off the extension of door service life, reliable operation, reduces its maintenance cost
It is low；
5, equipment design has expansion joint, is easy expansion under high-temperature work environment mainly for equipment, causes poorly sealed
Close, expansion joint is located at the sealing station of isolation door and sealing shroud, and isolation door sealing position is constant after guaranteeing high temperature；
6, by designing short connector between high temperature spring and isolation door, high temperature spring and the long connection of design between cranking arm
Part, so that the connection of high temperature spring and door of cranking arm, completely cut off is more firm, to not break down；
7, it is equipped with pointer and dial in main shaft one end, it can be observed that the relative position of isolation door rotation, accurately controls
The revolution of main shaft.
Detailed description of the invention
Fig. 1 is the utility model overlooking structure figure；
Fig. 2 is that the utility model completely cuts off when door is closed along A-A cross-sectional view；
Fig. 3 is structure chart when the utility model isolation door is to be opened；
Fig. 4 is that the utility model completely cuts off structure chart when door is opened.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
Specific embodiment 1:
As shown in Fig. 2, a kind of refractory seals butterfly completely cuts off door gear, including toroidal shell 2,2 upper and lower ends of shell point
Diameter changing nipple 3 is not installed, diameter changing nipple 3 is used for connecting pipe；Sealing shroud 11 is installed along inner ring in the shell 2, is sealed
Sealing is fitted with isolation door 1 on set 11, completely cuts off on door 1 and is equipped with self-compensating device；The self-compensating device includes high temperature
Spring 4 and crank arm 5, described 5 one end and to completely cut off the hinged seat 7 that door 1 is equipped on centerline hinged of cranking arm, crank arm 5 other ends with
Completely cutting off and be equipped with 4 spring of high temperature bullet between door 1, cranks arm and main shaft 6 is installed on 5, main shaft 6 can drive 5 rotary motions of cranking arm, and 6 liang of main shaft
End is across shell 2, and opposite 2 circle ring center of shell of the main shaft 6 is eccentrically mounted, and the opposite rotatable movement of shell 2.
In order to extend the service life of isolation door, the interaction for completely cutting off door 1 and shell under high-temperature work environment, the shell are protected
It is equipped with retaining ring 9 between body 2 and isolation door 1, for protecting isolation door 1.
In order to guarantee that isolation 1 sealing station of door is constant after high temperature, it is ensured that good leakproofness, 2 inner ring of shell are fixed
There is expansion joint 10, expansion joint 10 is located at the sealing station of isolation door 1 and sealing shroud 11, and hot environment lower case 2 can expand, swollen
Swollen section, which can expand, guarantees that sealing station is constant.
In order to solve the exhausted door packing abrasion deformation of septum primum, cause the problem of being not closed completely, the isolation door 1 and sealing shroud
11 are all made of metal material, and guarantee sealing surface is metal sealing, and seal line uses complete closed circular anchor ring, without any seal disc
Root seals very tight.
It 5 is moved together to allow main shaft 6 to drive to crank arm, described crank arm 5 passes through keyway cooperation peace with main shaft 6
Dress.
For high temperature spring 4 and isolation door 1, song/5 can be bonded, it is equipped between the high temperature spring 4 and isolation door 1
Short connector 15, high temperature spring 4 and cranks arm and is equipped with long connector 8 between 5.
As shown in Figure 1, in order to guarantee that structure is simple, and reduce friction and vibration, it is easy to repair, 6 both ends of main shaft with
2 junction of shell is equipped with copper sheathing 14.
As shown in Figure 1, described 6 one end of main shaft is equipped with 13 He of pointer in order to whether in place can control the switch of isolation door 1
Dial 12 is used to refer to isolation 1 switch gate position of door, be also equipped with power device on the main shaft 6.
As shown in Figure 1, compression isolation door 1 is described self-complementary in order to enable self-compensating device can have better compensation effect
It repays device and is symmetrically arranged with 2 along 2 circle ring center of shell.
The working process of the utility model is as follows: as shown in Fig. 2, isolation door 1 is in close state, open switch, power dress
Setting device will drive the progress turning anticlockwise movement of main shaft 6, and main shaft 6 drives 5 revolutions of cranking arm, and 5 opposite hinged seats 7 of cranking arm turn round,
Isolation door 1 is integrated with hinged seat 7, and isolation door 1 can move obliquely under 5 drives of cranking arm, and is cranked arm between 5 and isolation door 1
High temperature spring 4 is compressed, until 5 bottoms and the isolation full contact of door 1 of cranking arm, as shown in Figure 3；Main shaft 6 continues to rotate, and drives bent
Arm 5 and isolation door 1 counterclockwise movement together, at this point, what the pointer 13 of 6 one end of main shaft and the display isolation door 1 of dial 12 moved
Relative position stops turning round at this time until isolation door 1 and cranking arm 5 rotates to as shown in figure 4, completely cut off door 1 opens to the maximum position；
Open and close switch, pneumatic device will drive main shaft 6 and carry out rotary motion clockwise, the drive of main shaft 6 crank arm 5 and isolation door 1 it is suitable
Hour hands revolution, when being turned back to position as shown in Figure 3,5 opposite hinged seats 7 of cranking arm are turned round, 5 bottoms separation isolation door 1 of cranking arm, revolution
To position as shown in Figure 2,5 stop motions of cranking arm, isolation door 1 is in close state, the high temperature bullet cranked arm between 5 and isolation door 1
Spring 4 is in compressive state, plays the role of compression to isolation door 1, plays auto-compensation.
The present embodiment not makes any form of restriction the shape of the utility model, material, structure etc., all foundations
The technical essence of the utility model any simple modification, equivalent change and modification to the above embodiments, belong to this reality
With the protection scope of new technique scheme.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is only the utility model and simplified description for ease of description, rather than indicates or imply meaning
Device or element must have a particular orientation, construct and operate for specific orientation, thus should not be understood as practical new to this
The limitation of type protection content.
If the words such as " first ", " second " are used herein come if limiting components, those skilled in the art are answered
This knows: the use of " first ", " second " is intended merely to facilitate description the utility model and simplifies description, such as without other sound
Bright, above-mentioned word has no special meaning.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, but these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (10)
1. a kind of refractory seals butterfly completely cuts off door gear, which is characterized in that including toroidal shell, shell upper and lower ends are pacified respectively
Equipped with diameter changing nipple, diameter changing nipple is used for connecting pipe；Sealing shroud is installed along inner ring in the shell, seals and matches on sealing shroud
Conjunction is equipped with isolation door, completely cuts off on door and is equipped with self-compensating device；The self-compensating device includes high temperature spring and cranks arm, described
Crank arm one end with to completely cut off the hinged seat that is equipped on centerline of door hinged, crank arm and be equipped with high temperature bullet between the other end and isolation door
Spring, crank arm on main shaft is installed, main shaft can drive rotary motion of cranking arm, and main shaft both ends pass through shell, and the main shaft is with respect to shell
Circle ring center is eccentrically mounted, and the opposite rotatable movement of shell.
2. a kind of refractory seals butterfly according to claim 1 completely cuts off door gear, which is characterized in that the shell with every
It is equipped with retaining ring between exhausted door, for protecting isolation door.
3. a kind of refractory seals butterfly according to claim 1 completely cuts off door gear, which is characterized in that the shell inner ring
It is installed with expansion joint, expansion joint is located at the sealing station of isolation door and sealing shroud.
4. a kind of refractory seals butterfly according to claim 1 completely cuts off door gear, which is characterized in that the isolation door and
Sealing shroud is all made of metal material.
5. a kind of refractory seals butterfly according to claim 1 completely cuts off door gear, which is characterized in that described to crank arm and master
Axis is coupled by keyway.
6. a kind of refractory seals butterfly according to claim 1 completely cuts off door gear, which is characterized in that the high temperature spring
It is equipped with short connector between isolation door, high temperature spring and is equipped with long connector between cranking arm.
7. a kind of refractory seals butterfly according to claim 1 completely cuts off door gear, which is characterized in that the main shaft both ends
Copper sheathing is installed with housing junction.
8. a kind of refractory seals butterfly according to claim 1 completely cuts off door gear, which is characterized in that described main shaft one end
Equipped with pointer and dial, it is used to refer to isolation door opening position.
9. a kind of refractory seals butterfly according to claim 1 completely cuts off door gear, which is characterized in that the self compensation dress
It sets and is symmetrically arranged with 2 along shell circle ring center.
10. a kind of refractory seals butterfly according to claim 1 completely cuts off door gear, which is characterized in that the main shaft one
End is equipped with power device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822170583.9U CN209458413U (en) | 2018-12-24 | 2018-12-24 | A kind of refractory seals butterfly isolation door gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822170583.9U CN209458413U (en) | 2018-12-24 | 2018-12-24 | A kind of refractory seals butterfly isolation door gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209458413U true CN209458413U (en) | 2019-10-01 |
Family
ID=68041800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822170583.9U Active CN209458413U (en) | 2018-12-24 | 2018-12-24 | A kind of refractory seals butterfly isolation door gear |
Country Status (1)
| Country | Link |
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| CN (1) | CN209458413U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519551A (en) * | 2018-12-24 | 2019-03-26 | 大唐三门峡发电有限责任公司 | A kind of refractory seals butterfly isolation door gear |
| RU2794680C2 (en) * | 2021-08-13 | 2023-04-24 | Общество с ограниченной ответственностью «Уральский завод газоочистной аппаратуры» | Sealing localizing valve |
-
2018
- 2018-12-24 CN CN201822170583.9U patent/CN209458413U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519551A (en) * | 2018-12-24 | 2019-03-26 | 大唐三门峡发电有限责任公司 | A kind of refractory seals butterfly isolation door gear |
| RU2794680C2 (en) * | 2021-08-13 | 2023-04-24 | Общество с ограниченной ответственностью «Уральский завод газоочистной аппаратуры» | Sealing localizing valve |
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