CN206845240U - A kind of blast-furnace top gas recovery turbine device - Google Patents
A kind of blast-furnace top gas recovery turbine device Download PDFInfo
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- CN206845240U CN206845240U CN201720732472.5U CN201720732472U CN206845240U CN 206845240 U CN206845240 U CN 206845240U CN 201720732472 U CN201720732472 U CN 201720732472U CN 206845240 U CN206845240 U CN 206845240U
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- peep hole
- stator blade
- groove
- blast
- gas recovery
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Abstract
The utility model belongs to turbine installation technical field, discloses a kind of blast-furnace top gas recovery turbine device, is checked for solving the problems, such as that blast-furnace top gas recovery turbine device of the prior art needs shutdown to uncap.The utility model includes shell body and stator blade inner housing, the shell body is set in the periphery of stator blade inner housing, main shaft is installed in the stator blade inner housing, movable vane piece is installed on the main shaft, stator blade is also equipped with the stator blade inner housing, the first peep hole is offered on stator blade inner housing between stator blade and movable vane piece, the second peep hole being mutually correspondingly arranged with the first peep hole is offered on the shell body, first peep hole and the second peep hole are equipped with closure screw rod, the groove being interconnected with the first peep hole is offered close to the stator blade inner casing side on shell side, the groove is equipped with sealing device.
Description
Technical field
The utility model belongs to turbine installation technical field, and in particular to a kind of blast-furnace top gas recovery turbine device.
Background technology
Blast-furnace top gas recovery turbine device (TRT) is the turbine dress for using the overbottom pressure waste heat of blast furnace gas expand workmanship
Put, wherein, the parts such as rotor and stator blade and main shaft are its one of parts of core the most.And containing certain in blast furnace gas
The dust of amount, it is possible to can produce fouling in rotor and stator blade and main shaft surface or be produced to rotor and stator blade and main shaft and wash away.Together
When, the corrosive elements such as S, Cl for containing in blast furnace gas, a certain degree of corrosion can be caused to rotor and stator blade and main shaft.
Therefore TRT needs periodically to check the parts such as sound piece, main shaft in the process of running.In the prior art all
It is to be checked by the way of uncapping, but there is the problem of the time is long, difficulty is high for this test mode.
Utility model content
The utility model needs shutdown to uncap to solve blast-furnace top gas recovery turbine device of the prior art to be examined
The problem of looking into, and a kind of blast-furnace top gas recovery turbine device is provided, when inspection rotor and stator blade and main shaft, it is not necessary to
Uncap and directly checked, reduce the difficulty of inspection, shorten the time of inspection；The utility model can also match somebody with somebody simultaneously
Pressure pipe is covered, the gas pressure between rotor and stator blade is determined by pressure pipe, electronic pressure regulation is passed through according to the gas pressure of measure
Valve regulation nitrogen pressure.
In order to solve the above technical problems, technical scheme is used by the utility model：
A kind of blast-furnace top gas recovery turbine device, including shell body and stator blade inner housing, the shell body are set in stator blade
The periphery of inner housing, main shaft is installed in the stator blade inner housing, movable vane piece, the stator blade inner housing are installed on the main shaft
On be also equipped with stator blade, it is characterised in that offer the first peep hole on the stator blade inner housing between stator blade and movable vane piece,
The second peep hole being mutually correspondingly arranged with the first peep hole is offered on the shell body, first peep hole and second peep
Inspecting hole is equipped with closure screw rod, close to shell side stator blade inner casing side offer with the first peep hole be interconnected it is recessed
Groove, the groove are equipped with sealing device.
First peep hole and the second peep hole are screwed hole, and the aperture of second peep hole is more than the first pry
The aperture in hole, the closure screw rod include the first thread segment being threadedly coupled with the first peep hole and connected with the second peep hole screw thread
The second thread segment connect；Smooth section is arranged between first thread segment and the second thread segment, the smooth section is equipped with for tight
Pressure is embedded in the pressing plate of the sealing device in groove.
The sealing device includes the top board that is contacted with each other with pressing plate and the lower platen to be contacted with each other with the bottom of groove,
The elastic block rubber that longitudinal cross-section is in " X " is provided between the top board and lower platen；The top board, lower platen and elasticity
The center of block rubber offers the through hole passed through for blocking screw rod.
The bottom of the groove offers the annular groove for placing lower platen, the end face of the lower platen and top board
Area is less than the face area of elastic block rubber.
At least two big top and small bottom wedge-shaped slots are uniformly offered in the circumferential wall of groove, the top board is connected with
The wedge being mutually adapted with wedge-shaped slot.
The lower surface of the pressing plate is provided with the sealing ring being mutually adapted with groove.
Fastener for fastening closure screw rod is installed, the fastener is including bottom plate and outside on the shell body
Lid, the bottom plate are arranged on shell body, and the enclosing cover forms a cavity for being used to accommodate closure screw rod with bottom plate.
Compared with prior art, the utility model has the advantages that：
Blast-furnace top gas recovery turbine device of the present utility model, fastener is unclamped when in use and takes out closure spiral shell
Bar, industrial sight glass can be checked movable vane piece, stator blade and active through the first peep hole and the second peep hole, phase
Than the mode of existing inspection of uncapping, the utility model can shorten time and the difficulty of inspection, improve the efficiency of inspection.
Plugging device of the present utility model passes through pressure using the elastic caoutchouc of " X " type during closure screw rod fastening
Plate carries out crimp to elastic caoutchouc, so as to ensure good sealing property；The seepage of coal gas in turbine installation is prevented, is ensured
The safety of equipment operation.
Brief description of the drawings
Fig. 1 is existing blast-furnace top gas recovery turbine apparatus structure schematic diagram；
Fig. 2 is structural representation of the present utility model；
Fig. 3 is the partial enlarged drawing schematic diagram at A in this Fig. 2；
Marked in figure：1st, main shaft, 2, stator blade, 3, stator blade inner housing, 4, shell body, 5, movable vane piece, 6, closure screw rod, 7,
Enclosing cover, 8, bottom plate, the 9, first peep hole, the 10, second peep hole, 11, lower platen, 12, top board, 13, elastic block rubber, 14,
Groove, 15, wedge, 16, pressing plate.
Embodiment
With reference to embodiment, the utility model will be further described, and described embodiment is only that this practicality is new
Type part of the embodiment, it is not whole embodiments.Based on the embodiment in the utility model, the ordinary skill people of this area
Other embodiments used that member is obtained under the premise of creative work is not made, belong to protection model of the present utility model
Enclose.
With reference to accompanying drawing, blast-furnace top gas recovery turbine device of the present utility model, including shell body 4 and stator blade inner housing 3, institute
The periphery that shell body 4 is set in stator blade inner housing 3 is stated, main shaft 1 is installed in the stator blade inner housing 3, installed on the main shaft 1
There is movable vane piece 5, stator blade 2 is also equipped with the stator blade inner housing 3, the stator blade inner housing 3 between stator blade 2 and movable vane piece 5
On offer the first peep hole 9, the second peep hole being mutually correspondingly arranged with the first peep hole 9 is offered on the shell body 4
10, the peep hole 10 of the first peep hole 9 and second is equipped with closure screw rod 6, close to the side of stator blade inner housing 3 of the side of shell body 1
The groove 14 being interconnected with the first peep hole 9 is offered, the groove 14 is equipped with sealing device.
As a kind of preferable mode of the utility model, for the ease of processing and blocking the installation of screw rod 6 and fastening, institute
It is screwed hole to state the first peep hole 9 and the second peep hole 10, and the aperture of second peep hole 10 is more than the first peep hole 9
Aperture, the closure screw rod 6 include the first thread segment being threadedly coupled with the first peep hole 9 and connected with the screw thread of the second peep hole 10
The second thread segment connect；Smooth section is arranged between first thread segment and the second thread segment, the smooth section is equipped with for tight
Pressure is embedded in the pressing plate 16 of the sealing device in groove.
Sealing device of the present utility model includes the top board 12 to be contacted with each other with pressing plate 16 and the bottom phase with groove 14
The lower platen 11 mutually contacted, the elastic block rubber 13 that longitudinal cross-section is in " X " is provided between the top board 12 and lower platen 11；
The center of the top board 11, lower platen 11 and elastic block rubber 13 offers the through hole passed through for blocking screw rod 6.
As a kind of preferable mode of the utility model, for the ease of lower platen groove positioning, the groove 14
Bottom offers the annular groove for placing lower platen 11, and the face area of the lower platen 11 and top board 12 is less than elasticity
The face area of block rubber 13 so that elastic block rubber 13 has the space of expansion during pushing, and improves elastic caoutchouc
The service life of block 13.
At least two big top and small bottom wedge-shaped slots, institute are uniformly offered in the circumferential wall of groove 14 of the present utility model
State top board 15 and be connected with the wedge 15 being mutually adapted with wedge-shaped slot, wedge 15 and top board of the present utility model are respectively provided with
There is flange, wedge 15 is connected with each other with top board 12 by flange, and the lower surface of pressing plate 16 is offered for accommodating wedge
The cavity of shape block 15.In installation process, first lower platen, elastic block rubber and top board are put into groove, then by wedge shape
One end of block is inserted in wedge-shaped slot, is then linked together by flange with regard to wedge and top board.The utility model passes through wedge
The structure design of shape block so that during closure screw rod 6 is taken out, whole sealing device is fixed in groove.
As a kind of preferable mode of the utility model, the diameter for blocking the smooth section of screw rod is less than the straight of the second thread segment
Footpath and the diameter for being more than the first thread segment, it is easy to block the installation and use of screw rod.
As a kind of preferable mode of the utility model, the lower surface of the pressing plate 16 is provided with to be mutually adapted with groove 14
Sealing ring.
Fastener for fastening closure screw rod 6, the fastener bag are installed on shell body 4 of the present utility model
Bottom plate 8 and enclosing cover 7 are included, the bottom plate 8 is arranged on shell body 4, and the enclosing cover 7 forms one with bottom plate 8 and is used to accommodate closure
The cavity of screw rod 10.
Blast-furnace top gas recovery turbine device of the present utility model, fastener is unclamped when in use and takes out closure spiral shell
Bar, industrial sight glass can be checked movable vane piece, stator blade and active through the first peep hole and the second peep hole, phase
Than the mode of existing inspection of uncapping, the utility model can shorten time and the difficulty of inspection, improve the efficiency of inspection.
Plugging device of the present utility model passes through pressure using the elastic caoutchouc of " X " type during closure screw rod fastening
Plate carries out crimp to elastic caoutchouc, so as to ensure good sealing property；The seepage of coal gas in turbine installation is prevented, is ensured
The safety of equipment operation.
Embodiment one
The blast-furnace top gas recovery turbine device of the present embodiment, including shell body and stator blade inner housing, the shell body are arranged
Main shaft is installed in the periphery of stator blade inner housing, the stator blade inner housing, movable vane piece, the stator blade are installed on the main shaft
Stator blade is also equipped with inner housing, the first peep hole is offered on the stator blade inner housing between stator blade and movable vane piece, it is described
The second peep hole being mutually correspondingly arranged with the first peep hole, first peep hole and the second peep hole are offered on shell body
Closure screw rod is equipped, the groove being interconnected with the first peep hole, institute are offered close to the stator blade inner casing side on shell side
State groove and be equipped with sealing device.
Embodiment two
The blast-furnace top gas recovery turbine device of the present embodiment, including shell body and stator blade inner housing, the shell body are arranged
Main shaft is installed in the periphery of stator blade inner housing, the stator blade inner housing, movable vane piece, the stator blade are installed on the main shaft
Stator blade is also equipped with inner housing, the first peep hole is offered on the stator blade inner housing between stator blade and movable vane piece, it is described
The second peep hole being mutually correspondingly arranged with the first peep hole, first peep hole and the second peep hole are offered on shell body
Closure screw rod is equipped, the groove being interconnected with the first peep hole, institute are offered close to the stator blade inner casing side on shell side
State groove and be equipped with sealing device；First peep hole and the second peep hole are screwed hole, the hole of second peep hole
Footpath is more than the aperture of the first peep hole, and the closure screw rod includes the first thread segment for being threadedly coupled with the first peep hole and with the
Second thread segment of two peep holes threaded connection；Smooth section is arranged between first thread segment and the second thread segment, it is described smooth
Section is equipped with the pressing plate for pressing the sealing device being embedded in groove.
Embodiment three
The blast-furnace top gas recovery turbine device of the present embodiment, including shell body and stator blade inner housing, the shell body are arranged
Main shaft is installed in the periphery of stator blade inner housing, the stator blade inner housing, movable vane piece, the stator blade are installed on the main shaft
Stator blade is also equipped with inner housing, the first peep hole is offered on the stator blade inner housing between stator blade and movable vane piece, it is described
The second peep hole being mutually correspondingly arranged with the first peep hole, first peep hole and the second peep hole are offered on shell body
Closure screw rod is equipped, the groove being interconnected with the first peep hole, institute are offered close to the stator blade inner casing side on shell side
State groove and be equipped with sealing device；First peep hole and the second peep hole are screwed hole, the hole of second peep hole
Footpath is more than the aperture of the first peep hole, and the closure screw rod includes the first thread segment for being threadedly coupled with the first peep hole and with the
Second thread segment of two peep holes threaded connection；Smooth section is arranged between first thread segment and the second thread segment, it is described smooth
Section is equipped with the pressing plate for pressing the sealing device being embedded in groove；The sealing device includes what is contacted with each other with pressing plate
Top board and the lower platen to be contacted with each other with the bottom of groove, being provided with longitudinal cross-section between the top board and lower platen is in
The elastic block rubber of " X "；The center of the top board, lower platen and elastic block rubber offers what is passed through for blocking screw rod
Through hole.
Example IV
On the basis of embodiment three, the bottom of the groove offers the annular groove for placing lower platen, institute
The face area for stating lower platen and top board is less than the face area of elastic block rubber.
Embodiment five
It is small that at least two upper ends are uniformly offered on the basis of embodiment three or example IV, in the circumferential wall of groove
The big wedge-shaped slot in lower end, the top board are connected with the wedge being mutually adapted with wedge-shaped slot.
Embodiment six
On embodiment three to the basis of any embodiment of embodiment five, the lower surface of the pressing plate is provided with and groove
The sealing ring being mutually adapted.
Embodiment seven
On the basis of any of the above-described embodiment, the fastening dress for fastening closure screw rod is installed on the shell body
Put, the fastener includes bottom plate and enclosing cover, and the bottom plate is arranged on shell body, and the enclosing cover forms a use with bottom plate
In the cavity for accommodating closure screw rod.
Claims (7)
1. a kind of blast-furnace top gas recovery turbine device, including shell body and stator blade inner housing, the shell body are set in stator blade
The periphery of housing, main shaft is installed in the stator blade inner housing, movable vane piece is installed on the main shaft, on the stator blade inner housing
It is also equipped with stator blade, it is characterised in that the first peep hole, institute are offered on the stator blade inner housing between stator blade and movable vane piece
State the second peep hole for offering on shell body and being mutually correspondingly arranged with the first peep hole, first peep hole and the second pry
Hole is equipped with closure screw rod, and the groove being interconnected with the first peep hole is offered close to the stator blade inner casing side on shell side,
The groove is equipped with sealing device.
2. blast-furnace top gas recovery turbine device according to claim 1, it is characterised in that first peep hole and second
Peep hole is screwed hole, and the aperture of second peep hole is more than the aperture of the first peep hole, the closure screw rod include with
First thread segment of the first peep hole threaded connection and the second thread segment being threadedly coupled with the second peep hole；First thread segment and
Smooth section is arranged between second thread segment, the smooth section is equipped with the pressure for pressing the sealing device being embedded in groove
Plate.
3. blast-furnace top gas recovery turbine device according to claim 2, it is characterised in that the sealing device includes and pressure
Top board that plate contacts with each other and with the lower platen that the bottom of groove contacts with each other, be provided between the top board and lower platen
Longitudinal cross-section is in the elastic block rubber of " X "；The center of the top board, lower platen and elastic block rubber is offered for blocking
The through hole that screw rod passes through.
4. blast-furnace top gas recovery turbine device according to claim 3, it is characterised in that the bottom of the groove offers
For placing the annular groove of lower platen, the face area of the lower platen and top board is less than the end face face of elastic block rubber
Product.
5. blast-furnace top gas recovery turbine device according to claim 4, it is characterised in that uniformly opened in the circumferential wall of groove
Provided with least two big top and small bottom wedge-shaped slots, the top board is connected with the wedge being mutually adapted with wedge-shaped slot.
6. blast-furnace top gas recovery turbine device according to claim 2, it is characterised in that the lower surface installation of the pressing plate
There is the sealing ring being mutually adapted with groove.
7. according to any described blast-furnace top gas recovery turbine devices of claim 1-6, it is characterised in that pacify on the shell body
Equipped with the fastener for fastening closure screw rod, the fastener includes bottom plate and enclosing cover, and the bottom plate is arranged on shell
On body, the enclosing cover forms a cavity for being used to accommodate closure screw rod with bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720732472.5U CN206845240U (en) | 2017-06-22 | 2017-06-22 | A kind of blast-furnace top gas recovery turbine device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720732472.5U CN206845240U (en) | 2017-06-22 | 2017-06-22 | A kind of blast-furnace top gas recovery turbine device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206845240U true CN206845240U (en) | 2018-01-05 |
Family
ID=60801665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720732472.5U Active CN206845240U (en) | 2017-06-22 | 2017-06-22 | A kind of blast-furnace top gas recovery turbine device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206845240U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505661A (en) * | 2018-12-16 | 2019-03-22 | 中国航发沈阳发动机研究所 | A kind of stator blade |
-
2017
- 2017-06-22 CN CN201720732472.5U patent/CN206845240U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505661A (en) * | 2018-12-16 | 2019-03-22 | 中国航发沈阳发动机研究所 | A kind of stator blade |
| CN109505661B (en) * | 2018-12-16 | 2021-09-03 | 中国航发沈阳发动机研究所 | Stator blade |
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