CN207316971U - Air preheater cold-end air radial seal Board position regulating device and air preheater - Google Patents
Air preheater cold-end air radial seal Board position regulating device and air preheater Download PDFInfo
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- CN207316971U CN207316971U CN201721307265.1U CN201721307265U CN207316971U CN 207316971 U CN207316971 U CN 207316971U CN 201721307265 U CN201721307265 U CN 201721307265U CN 207316971 U CN207316971 U CN 207316971U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The purpose of this utility model is to provide a kind of air preheater cold-end air radial seal Board position regulating device and air preheater.Air preheater cold-end air radial seal Board position regulating device, including the first driving member, second driving member, connecting rod, first jacking component, second jacking component and executing agency, wherein the first driving member, second driving member, connecting rod forms a quadric chain together with preheater rack, so that when executing agency drives a movement in the first driving member or the second driving member, another can also follow movement, this enable with the first driving member and the second driving member connect respectively first jacking component and second jacking component only set set of execution mechanism in the case of together with move, realize the adjusting process in cold end gap, so as to simplify structure.Air preheater provided by the utility model has above-mentioned air preheater cold-end air radial seal Board position regulating device, so as to have the advantages that simple in structure.
Description
Technical field
It the utility model is related to a kind of air preheater cold-end air radial seal Board position regulating device and air preheater.
Background technology
Air preheater, is commonly abbreviated as air preheater, is usually applied to be chiefly used in coal-fired power station boiler, can be divided into bobbin carriage
Two kinds of formula, swinging, wherein swinging are divided into two kinds of fan housing swinging and heating surface swinging again.Station boiler compared with frequently with by
Hot face rotary preheater, application in the boiler are generally Liang Fencang, San Fencang, four warehouse separated types.Rotary regenerative air preheater
Can slowly it rotate at work, flue gas is discharged again after entering the fume side of air preheater, and the heat meeting carried in flue gas
Absorbed by the heat sink in air preheater, air preheater slowly rotates afterwards, and heat sink moves to air side, then transfers heat to
Into the air before boiler.Rotary regenerative air preheater can improve the heat exchange performance of steam generator system, therefore in flue gas boiler system
There is very universal use in system.
In the prior art, air preheater cold-end air radial seal plate, that is, the Sectorial sealplate of cold end and air preheat
Certain interval can be reserved between the rotor of device, mushroom-shaped sagging deflections are produced when air preheater works to adapt to rotor.But
If unit operation load is less than Design cooling load, the deformation that rotor produces can be caused not reach expection so that the gap can not be turned
Son blocks and is in wider state all the time.Between the Sectorial sealplate of cold end of the prior art and the rotor of air preheater
Slack adjuster it is complicated and control process it is cumbersome.
This area needs sky a kind of simple in structure and can adjusting the gap between the Sectorial sealplate of cold end and rotor
Air preheater cold end radial seal Board position regulating device and air preheater.
Utility model content
The purpose of this utility model is to provide a kind of air preheater cold-end air radial seal Board position regulating device, it has
There is the advantages of simple in structure.
The purpose of this utility model, which also resides in, provides a kind of air preheater, and the air preheater is pre- with above-mentioned air
Hot device cold end radial seal Board position regulating device, so as to have the advantages that simple in structure.
To realize the air preheater cold-end air radial seal Board position regulating device of the purpose, for installed in preheater
In rack and the cold end gap between cold end radial seal plate and preheater rotor is adjusted, the air preheater cold-end air is radially close
Sealing plate apparatus for adjusting position includes the first driving member, the second driving member, connecting rod, the first jacking component, the second jacking component and holds
Row mechanism；
First driving member and second driving member are used to be hinged with the preheater rack respectively, the connecting rod
Both ends are hinged with first driving member and second driving member respectively, form quadric chain；
The first jacking component and the second jacking component are used to support the cold end radial seal plate respectively, its
In, the first jacking component is rotatably connected on first driving member, and is used for and the cold end radial seal
Plate is rotatably coupled；It is described second jacking component is rotatably connected on second driving member, and for it is described
Cold end radial seal plate is rotatably coupled；
The executing agency is used to drive quadric chain, so as to drive the first jacking component and second jacking
Component moves, and then drives the cold end radial seal plate movement, to adjust the cold end gap.
The air preheater cold-end air radial seal Board position regulating device, its further feature is described first
Jacking component includes the first mandril and the second mandril, and the second jacking component includes the 3rd mandril；
One end of first mandril is rotatably connected on the first driving member, and the other end is used for the cold end radially
Sealing plate is hinged；One end of second mandril is rotatably connected on first driving member, the other end be used for it is described
Cold end radial seal plate is hinged；
One end of 3rd mandril is rotatably connected on second driving member, and the other end is used for and the cold end
Radial seal plate is hinged；
First mandril and second mandril are configured to relative to the 3rd mandril close to cold end radial direction
The outer rim of sealing plate.
The air preheater cold-end air radial seal Board position regulating device, its further feature is described first
Driving member includes main transmission bar, first connecting portion and second connecting portion；The connecting rod includes first connecting rod and second connecting rod；
The first connecting portion and the second connecting portion are fixed on the main transmission bar；First mandril and
Second mandril is rotatably connected to the both ends of the main transmission bar respectively；
The first connecting portion and one end of the first connecting rod are hinged, and are additionally operable to cut with scissors with the preheater rack
Connect；The second connecting portion and one end of the second connecting rod are hinged, and are additionally operable to be hinged with the preheater rack；It is described
The other end of the other end of first connecting rod and the second connecting rod is hinged with second driving member respectively.
The air preheater cold-end air radial seal Board position regulating device, its further feature is described first
Jacking component further includes the first socket joint and second joint seat；First socket joint and the second joint seat rotationally divide
The both ends of the main transmission bar are not set in；
One end of first mandril is connected in first socket joint, and the other end is used for and the cold end radial seal
Plate is hinged；One end of second mandril is connected on the second joint seat, and the other end is used for and the cold end radial seal
Plate is hinged.
The air preheater cold-end air radial seal Board position regulating device, its further feature is described first
Mandril is threadedly coupled with first socket joint, and second mandril is threadedly coupled with the second joint seat.
The air preheater cold-end air radial seal Board position regulating device, its further feature is described second
Driving member includes auxiliary driving bar, the 3rd connecting portion and the 4th connecting portion, and the 3rd mandril is rotatably connected to the secondary biography
The middle part of lever, the 3rd connecting portion and the 4th connecting portion are respectively fixedly disposed at the both ends of the auxiliary driving bar；
The other end of 3rd connecting portion and the first connecting rod is hinged, and is additionally operable to and the preheater machine
Frame is hinged；The other end of 4th connecting portion and the second connecting rod is hinged, and is additionally operable to and the preheater machine
Frame is hinged.
The air preheater cold-end air radial seal Board position regulating device, its further feature are the secondary biographies
Lever includes the first bar portion and the second bar portion, first bar portion and the second bar portion coaxial line and is oppositely arranged；Described
Three connecting portions and the 4th connecting portion are respectively fixedly disposed in first bar portion and second bar portion；
The second jacking component further includes the 3rd socket joint, and the both sides of the 3rd socket joint are rotationally arranged respectively
On the both ends being oppositely arranged of first bar portion and second bar portion；
One end of 3rd mandril is connected in the 3rd socket joint, and the other end is used for and the cold end radial seal
Plate is hinged.
The air preheater cold-end air radial seal Board position regulating device, its further feature is the described 3rd
Mandril is threadedly coupled with the 3rd socket joint.
To realize the purpose air preheater, including cold end radial seal plate, preheater rack and preheater rotor, institute
State preheater rotor to be rotatably arranged in the preheater rack, the cold end radial seal plate is along the preheater rotor
Radial direction set, and there is cold end gap between the preheater rotor；
It is characterized in that, the air preheater further includes air preheater cold-end air radial seal Board position as described above
Regulating device, the air preheater cold-end air radial seal Board position regulating device are installed in the preheater rack and are used for
Adjust the cold end gap.
The air preheater, its further feature are the inner and preheatings of the cold end radial seal plate
Device rack is hinged.
The positive effect of the utility model is：A kind of air preheater cold-end air provided by the utility model is radially close
Sealing plate apparatus for adjusting position, including the first driving member, the second driving member, connecting rod, the first jacking component, the second jacking and are held component
Row mechanism, wherein the first driving member, the second driving member, connecting rod form a quadric chain together with preheater rack so that
When executing agency drives a movement in the first driving member or the second driving member, another can also follow movement, this
The first jacking component being connected respectively with the first driving member and the second driving member and the second jacking component are only being set
Moved together in the case of set of execution mechanism, the adjusting process in cold end gap is realized, so as to simplify structure.In addition, first
Jacking component and the second jacking component relation can also move in certain proportion, the proportionate relationship and lanar four rod mechanism
Physical dimension it is related so that air preheater cold-end air radial seal Board position regulating device provided by the utility model can fit
Answer special operating condition.
There is air preheater provided by the utility model above-mentioned air preheater cold-end air radial seal Board position to adjust dress
Put, so as to have the advantages that simple in structure.
Brief description of the drawings
The above and other feature, property and advantage of the utility model will be by with reference to the accompanying drawings and examples
Description and become readily apparent from, wherein：
Fig. 1 is the schematic diagram of air preheater cold-end air radial seal Board position regulating device in the utility model；
Fig. 2 is the schematic diagram in C-C sections in Fig. 1；
Fig. 3 is the schematic diagram in E-E sections in Fig. 1；
Fig. 4 is the schematic diagram of section B-B in Fig. 1；
Fig. 5 is the schematic diagram of air preheater in the utility model；
Fig. 6 is the schematic view of the mounting position of air preheater cold-end air radial seal plate in the utility model；
Fig. 7 is the schematic diagram of air preheater hot junction slack adjuster in comparative example；
Schematic diagram when Fig. 8 is slack adjuster work in air preheater hot junction in comparative example；
Fig. 9 is the schematic diagram of air preheater cold-end air slack adjuster in comparative example；
Figure 10 is the schematic diagram of overload protection arrangement in the utility model.
Embodiment
With reference to specific embodiments and the drawings, the utility model is described in further detail, elaborates in the following description
More details are in order to fully understand the utility model, but the utility model obviously can be different from what this was described with a variety of
Other manner is implemented, and those skilled in the art can be in the case of without prejudice to the utility model connotation according to practical application feelings
Condition makees similar popularization, deduces, therefore should not limit the scope of protection of the utility model with the content of this specific embodiment.
It should be noted that Fig. 1 to Figure 10 only as an example, its not be according to equal proportion condition draw, and
And it should not be construed as limiting in this, as the protection domain to the utility model actual requirement.
With reference first to Fig. 5, Fig. 5 shows the air preheater 90 in the utility model one embodiment.Air preheater
90 include preheater rack 900 and preheater rotor 902.Preheater rack 900 includes hot junction crossbeam 900a, preheater shell
900b and cold end crossbeam 900c.The shaft both ends of preheater rotor 902 are separately fixed at hot junction crossbeam 900a and cold end crossbeam
On 900c so that preheater rotor 902 can rotate in columnar preheater shell 900b.
Preheater rotor 902 can be made by special heat-storing material.In the pipeline connection of steam generator system, preheater rotor
Both sides in 902 axial directions are mutually close with air intake and boiler inlet respectively, and the side temperature close to air intake is relatively low, is pre-
The cold end of hot device rotor 902；Side temperature close to boiler inlet is higher, is the hot junction of preheater rotor 902.It is pre- on air
The concrete principle of hot device 90 and steam generator system, refers to《Rotary regenerative air preheater heating surface designs and calculation and check》(in profit
Triumphant North China Electric Power University .2016) in related record.
In the rotation process of preheater rotor 902, the thermal property of the performance of its sealing mechanism to air preheater 90
With considerable influence.Fig. 6 shows the sealing structure of the air preheater 90 in the utility model one embodiment.Air preheat
The sealing mechanism of device 90 includes cold end radial sealing mechanism, hot junction radial sealing mechanism and axial sealing mechanism, wherein, cold end footpath
Include cold end radial seal plate 901 (being also called cold end sector plate) to sealing mechanism, hot junction radial sealing mechanism includes hot junction footpath
To sealing plate 905 (being also called hot junction fanning strip), axial sealing mechanism includes axial sealing plate 906.The side of preheater rotor 902
Edge is provided with cold end footpath corresponding with cold end radial seal plate 901, hot junction radial seal plate 905 and axial sealing plate 906
To diaphragm seal 907, hot junction apex seal 908 and axial seal piece 909.
Cold end radial seal plate 901, hot junction radial seal plate 905 and axial sealing plate 906 are arranged on preheater machine
On frame 900, and there are certain interval with preheater rotor 902.When preheater rotor 902 rotates, cold end radial seal plate
901st, the cold end apex seal 907 of hot junction radial seal plate 905 and axial sealing plate 906 and preheater rotor 902, hot junction footpath
Dynamic sealing is formed between diaphragm seal 908 and axial seal piece 909.The dynamic sealing is also referred to as brush seal, its sealing principle can
With reference to《Rotary regenerative air preheater brush seal technology and aluminum honeycomb seal technology manufacturing process research》(Yu Long Beijing chemical industry
University .2010) in related record.In one embodiment, cold end radial seal plate 901 and hot junction radial seal plate 905 can
To be separately fixed on cold end crossbeam 900c and hot junction crossbeam 900a, axial sealing plate 906 can be fixed on preheater shell
The inner side of 900b.
In the course of work of air preheater 90, since the cold and hot both ends of preheater rotor 902 are heated and uneven, in advance
" mushroom-shaped " deformation can occur for hot device rotor 902, cause cold end radial seal plate 901 and hot junction radial seal plate 905 and preheating
Gap between device rotor 902 can change.
As shown in fig. 7, in a comparative example, normal condition is in the preheater rotor 902 of original state, is not occurred
Deformation.Hot junction radial seal plate 905 is removably fixed in preheater rack by hot junction slack adjuster 905a, 905b
On 900, cold end radial seal plate 901 is fixed in preheater rack 900.Cold end radial seal plate 901 turns with preheater
There is cold end gap 903 between son 902, there is hot junction gap 904 between hot junction radial seal plate 905 and preheater rotor 902.
The initial size in cold end gap 903 and hot junction gap 904 can need according to sealing and the rotation of preheater rotor 902 need to set
Put, and need to ensure that preheater rotor 902 can also rotate after above-mentioned mushroom deformation occurs.Therefore, can from Fig. 7
Arrive, the cold end gap being fixed between cold end radial seal plate 901 and the preheater rotor 902 in preheater rack 900
903 in original state be bigger, larger cold end gap 903 be easy to cause preheater rotor 902 occur cold end leak out it is existing
As.
After air preheater 90 is started to work, as shown in figure 8, mushroom deformation occurs for preheater rotor 902 so that cold
Splaying 903 reduces, and cold end air leakage phenomena can be eased.Hot junction radial seal plate 905 is in hot junction slack adjuster
Under the action of 905a, 905b, the size in the hot junction gap 904 between preheater rotor 902 can be in less shape all the time
State.However, air preheater 90 is often in the working status of sub-load, preheater rotor 902 is caused not to be deformed to
Position, so that cold end air leakage phenomena can not be eased.
In another comparative example, to alleviate cold end air leakage phenomena caused by hot device rotor 902 can not deform in place, such as
Shown in Fig. 9, cold end radial seal plate 901 passes through the cold end gap adjustment similar with hot junction slack adjuster 905a, 905b
Device 901a, 901b are movably disposed in preheater rack 900, and the size in such cold end gap 903 can also be adjusted immediately
Section, so as to alleviate cold end air leakage phenomena.
However, there are multiple deficiencies for such design.First, it is similar with hot junction slack adjuster 905a, 905b, cold end
Slack adjuster 901a, 901b each need a set of power unit to complete the jacking process of cold end radial seal plate 901, knot
Structure is relatively complicated；Secondly as the thickness of cold end radial seal plate 901 generally only has the three of 905 thickness of hot junction radial seal plate
/ mono-, therefore, cold end radial seal plate 901 deforms during jacking in order to prevent, cold end radial seal plate 901
There cannot be too big span between fulcrum, so that radially close relative to the hot junction radial seal plate 905 of same area, cold end
Sealing plate 901 needs more stress points, that is, needs to set more cold end slack adjusters, so that cold end gap tune
The overall composition of regulating device is more complicated, considerably increases and is designed and manufactured as this.
The utility model provides a kind of air preheater cold-end air simple in structure, manufacture cost is low by following embodiments
Radial seal Board position regulating device, i.e. cold end slack adjuster, and the air preheater with the device.
As shown in Figure 1, air preheater cold-end air radial seal Board position regulating device is passed including the first driving member 1, second
Moving part 2, connecting rod 3, first jack component 4, second and jack component 5 and executing agency 6；First driving member 1 and the second driving member 2 are used
In being hinged respectively with preheater rack 900, the both ends of connecting rod 3 are hinged with the first driving member 1 and the second driving member 2 respectively；First
Jack component 4 and second and jack component 5 for supporting cold end radial seal plate 901 respectively, wherein, the first jacking component 4 can turn
It is connected to dynamicly on the first driving member 1, and for being rotatably coupled with cold end radial seal plate 901；Second jacking component 5
It is rotatably connected on the second driving member 2, and for being rotatably coupled with cold end radial seal plate 901.
With continued reference to Fig. 1, the first driving member 1, the second driving member 2, connecting rod 3 form one together with preheater rack 900
Quadric chain so that when one in the first driving member 1 or the second driving member 2, which is performed mechanism 6, to be driven, another
Also movement can be followed, the first jacking component 4 and second that this causes with the first driving member 1 and the second driving member 2 are connected respectively pushes up
Rising component 5 can move together in the case where only setting a set of power unit (i.e. executing agency 6), realize cold end gap 903
Adjusting process, so as to simplify structure.
When executing agency 6 is connected with the first driving member 1, executing agency 6 is used to drive the first driving member 1 to rotate, with band
Dynamic connecting rod 3 and first jacks component 4 and moves, so that connecting rod 3 drives the second driving member 2 to rotate and make 2 band of the second driving member
Dynamic second jacking component 5 moves, and then makes the first jacking component 4 and the second jacking component 5 drive cold end radial seal plate 901 to move
It is dynamic, to adjust cold end gap 903.When executing agency 6 is connected with the second driving member 2, executing agency 6 is used to drive the second transmission
Part 2 rotates, and is moved with driving connecting rod 3 and second to jack component 5, so that connecting rod 3 drives the first driving member 1 to rotate and makes the
One driving member 1 drives the first jacking component 4 to move, and then the second jacking component 5 and the first jacking component 4 is driven cold end radially
Sealing plate 901 moves, to adjust cold end gap 903.Executing agency 6 processed can be electric linear thrust mechanism, by push rod with
First driving member 1 and the second driving member 2 connect.The push rod of electric linear thrust mechanism can move back and forth.
Relation it can also be moved in certain proportion in addition, the first jacking component 4 and second jacks component 5, the ratio
The quadric chain that relation is formed together with by the first driving member 1, the second driving member 2, connecting rod 3 and preheater rack 900 it is several
What size is related, this causes air preheater cold-end air radial seal Board position regulating device provided by the utility model can adapt to
Special operating condition.For example, during the jacking of cold end radial seal plate 901, it is necessary to make cold end radial seal plate 901 around
Its inner ends thereof, if the first jacking component 4 is identical with the distance that the second jacking component 5 jacks, then cold end radial seal plate
901 can not can only just rotate straight up and down.
Air preheater cold-end air radial seal Board position regulating device provided by the utility model, due to quadric chain
Kinetic characteristic, its 1 and second driving member 2 of the first driving member relation can move in certain proportion.In one embodiment,
When the second driving member 2 at 901 outer rim of cold end radial seal plate jacks 25mm, in cold end radial seal plate 901
First driving member 1 in portion can only jack 15mm, can so obtain effect of the cold end radial seal plate 901 around its inner ends thereof
Fruit.
Air preheater cold-end air radial seal Board position provided by the utility model is described below in conjunction with attached drawing and adjusts dress
The more specifical structure put.
As shown in Figure 2,3, the first jacking component 4 includes the first mandril 41 and the second mandril 42, and the second jacking component 5 includes
3rd mandril 51；One end of first mandril 41 is rotatably connected on the first driving member 1, and the other end is used for radially close with cold end
Sealing plate 901 is hinged；One end of second mandril 42 is rotatably connected on the first driving member 1, and the other end is used for cold end radially
Sealing plate 901 is hinged；One end of 3rd mandril 51 is rotatably connected on the second driving member 2, and the other end is used for and cold end footpath
It is hinged to sealing plate 901；First mandril 41 and the second mandril 42 are configured to radially close close to cold end relative to the 3rd mandril 51
The outer rim of sealing plate 901.In this embodiment, executing agency 6 is preferably connected with the first driving member 1, this is because first passes
Load bigger on moving part 1.
With continued reference to Fig. 2,3, the first driving member 1 include main transmission bar 10, first connecting portion 11, second connecting portion 12 and by
Power portion 13；Connecting rod 3 includes first connecting rod 31 and second connecting rod 32；First connecting portion 11, second connecting portion 12 and forced section 13 divide
The middle part of main transmission bar 10 is not fixed at, and first connecting portion 11 and second connecting portion 12 are located at the two of forced section 13 respectively
Side；First mandril 41 and the second mandril 42 are rotatably connected to the both ends of main transmission bar 10 respectively；First connecting portion 11 and
One end of one connecting rod 31 is hinged, and is additionally operable to hinged with preheater rack 900；Second connecting portion 12 and the one of second connecting rod 32
End is hinged, and is additionally operable to hinged with preheater rack 900；The other end of first connecting rod 31 and the other end of second connecting rod 32 point
It is not hinged with the second driving member 2；Forced section 13 is connected with executing agency 6, and is driven for being performed mechanism 6.
In Fig. 1, first connecting portion 11 is blocked, and illustrate only second connecting portion 12.Second connecting portion 12 can be " L "
Shape, wherein the short side of " L " shape is fixedly connected on main transmission bar 10, the long side and second connecting rod of " L " shape of second connecting portion 12
32 one end is hinged.The short side of " L " shape and the intersection point of long side are hinged in preheater rack 900.In figure 3, main transmission bar 10,
First mandril 41 and first connecting portion 11 are complete without display, there is interruption, its purpose is to not block other structures.Scheming
In 3, the structure of the first mandril 41 and first connecting portion 11 is opposite with the second mandril 42 and second connecting portion 12 respectively, and on
The center line of forced section 13 is symmetrical.In Fig. 1, main transmission bar 10 is perpendicular to paper.
The mode at the both ends that the first mandril 41 and the second mandril 42 are rotatably connected to main transmission bar 10 respectively can be：
First mandril 41 and the second mandril 42 can be one end rod-like structures with holes, and main transmission bar 10 passes through the first mandril 41 and second
The band nose end of mandril 42 simultaneously forms axis hole and is rotatably assorted, so as to fulfill being rotatably coupled；Or such as another embodiment institute
Record：First jacking component 4 further includes the first socket joint 43 and second joint seat 44；First socket joint 43 and second joint seat 44
Rotationally it is respectively sleeved at the both ends of main transmission bar 10；One end of first mandril 41 is connected in the first socket joint 43, another
End is used for hinged with cold end radial seal plate 901；One end of second mandril 42 is connected on second joint seat 44, and the other end is used for
It is hinged with cold end radial seal plate 901.
In one embodiment, the first mandril 41 is threadedly coupled with the first socket joint 43, the second mandril 42 and second joint
Seat 44 is threadedly coupled.It is such to can be designed so that between the first mandril 41 and the second mandril 42 and cold end radial seal plate 901
Distance can adjust, increase air preheater cold-end air radial seal Board position regulating device adaptability.In figure 3, for not
Other structures are blocked, the first socket joint 43 is not shown.The structure of first socket joint 43 is identical with second joint seat 44, and on
The center line of forced section 13 is symmetrical.
As shown in Figure 2,4, the second driving member 2 includes auxiliary driving bar, the 3rd connecting portion 23 and the 4th connecting portion 24, the 3rd top
Bar 51 is rotatably connected to the middle part of auxiliary driving bar, and the 3rd connecting portion 23 and the 4th connecting portion 24 are respectively fixedly disposed at secondary biography
The both ends of lever；The other end of 3rd connecting portion 23 and first connecting rod 31 is hinged, and is additionally operable to cut with scissors with preheater rack 900
Connect；The other end of 4th connecting portion 24 and second connecting rod 32 is hinged, and is additionally operable to hinged with preheater rack 900.At this
In embodiment, auxiliary driving bar is an integral stem (being not displayed in Fig. 2,4), its structure is similar with main transmission bar 10.3rd
The mode that mandril 51 is rotatably connected to the middle part of auxiliary driving bar can be：3rd mandril 51 can be with holes rod-shaped in one end
Structure, auxiliary driving bar passes through the band nose end of the 3rd mandril 51 and forms axis hole and is rotatably assorted, so as to fulfill being rotatably coupled.
In another embodiment, auxiliary driving bar includes the first bar portion 21 and the second bar portion 22, the first bar portion 21 and
Two bar portions, 22 coaxial line and it is oppositely arranged；3rd connecting portion 23 and the 4th connecting portion 24 are respectively fixedly disposed at 21 He of the first bar portion
In second bar portion 22；Second jacking component 5 further includes the 3rd socket joint 50, and the both sides of the 3rd socket joint 50 rotationally cover respectively
It is located on the both ends being oppositely arranged of the first bar portion 21 and the second bar portion 22；One end of 3rd mandril 51 is connected to the 3rd socket joint
On 50, the other end is used for hinged with cold end radial seal plate 901.
In Fig. 1, the 3rd connecting portion 23 is blocked, and illustrate only the 4th connecting portion 24.4th connecting portion 24 can be " L "
Shape, wherein the short side of " L " shape is fixedly connected in the second bar portion 22, the long side and second connecting rod 32 of " L " shape are hinged.4th connection
The short side of " L " shape and the intersection point of long side in portion 24 are hinged in preheater rack 900.In Fig. 1, second connecting rod 32 is not shown
Completely, its purpose is to not block other structures.Second connecting rod 32 is a complete connecting rod, and both ends are connected with second respectively
12 and the 4th connecting portion 24 of portion is hinged.
3rd mandril 51 is threadedly coupled with the 3rd socket joint 50.It is such to can be designed so that the 3rd mandril 51 and cold end footpath
It can be adjusted to the distance between sealing plate 901, so as to increase air preheater cold-end air radial seal Board position regulating device
Adaptability.
With reference to figure 1,3,4, multiple lug 901a, the first mandril 41, the second mandril are provided with cold end radial seal plate 901
42 and the 3rd mandril 51 be hinged respectively with corresponding lug 901a.With continued reference to Fig. 3, cold end radial seal plate 901 is also in lug
Bellows 902a is correspondingly arranged on 901a sides, bellows 902a plays sealing function.With continued reference to Fig. 1, cold end is radially close
The inner of sealing plate 901 is hinged in preheater rack 900 by hinged structure 901c, plays positioning action.In addition, air preheater
Cold end radial seal Board position regulating device can also include controller and sensor, to control the operation of executing agency 6, so that
Control the movement of cold end radial seal plate 901.
With reference to figure 1,10, air preheater cold-end air radial seal Board position regulating device further includes overload protection arrangement 7, mistake
Carry the connection that protective device 7 is used for opening actuating mechanism 6 and quadric chain in the load excessive of executing agency 6.Fig. 1,
In 10, overload protection arrangement 7 is used for the company of 6 and first driving member 1 of opening actuating mechanism in the load excessive of executing agency 6
Connect.
With continued reference to Figure 10, overload protection arrangement 7 includes resilient key 70, connecting pin 71 and guide rod 72.On guide rod 72
Sliding slot 720 is offered, connecting pin 71 is arranged in sliding slot 720 and can reciprocatingly slide along sliding slot 720.Guide rod 72 is fixedly installed
On the first driving member 1.Connecting pin 71 is in Fig. 1,10 perpendicular to paper.
Resilient key 70 includes shell-like body 702 and is oriented to shank 701, and set can be arranged on elastic telescopic by being oriented to shank 701
In shape body 702 (such as the two can be connected by spring), shell-like body 702 is fixedly connected with guide rod 72.It is oriented to shank 701
One end be arranged in sliding slot 720, and for stopping slip of the connecting pin 71 in sliding slot 720, so as to fulfill executing agency 6 with
The drive connection of first driving member 1.
When the load excessive of executing agency 6, the power that the extruding of connecting pin 71 is oriented to shank 701 can exceed setting value, so that
So that being oriented in 701 retraction shell-like body 702 of shank, no longer stop slip of the connecting pin 71 in sliding slot 720, so that holding
Row mechanism 6 is disconnected with the first driving member 1, realizes overload protection function.
Although the utility model is disclosed as above with preferred embodiment, its be not for limiting the utility model, it is any
Those skilled in the art without departing from the spirit and scope of the utility model, can make possible variation and modification, all
It is the content without departing from technical solutions of the utility model, appoints according to what the technical essence of the utility model made above example
What modification, equivalent variations and modification, each falls within the protection domain that the utility model claims are defined.
Claims (10)
1. a kind of air preheater cold-end air radial seal Board position regulating device, in preheater rack (900) simultaneously
Adjust the cold end gap (903) between cold end radial seal plate (901) and preheater rotor (902), it is characterised in that the sky
Air preheater cold end radial seal Board position regulating device includes the first driving member (1), the second driving member (2), connecting rod (3), the
One jacking component (4), the second jacking component (5) and executing agency (6)；
First driving member (1) and second driving member (2) are used for hinged with the preheater rack (900) respectively, institute
It is hinged with first driving member (1) and second driving member (2) respectively to state the both ends of connecting rod (3), forms quadric chain；
The first jacking component (4) and the second jacking component (5) are used to support the cold end radial seal plate respectively
(901), wherein, the first jacking component (4) is rotatably connected on first driving member (1), and is used for and institute
Cold end radial seal plate (901) is stated to be rotatably coupled；The second jacking component (5) is rotatably connected to described second and passes
On moving part (2), and for being rotatably coupled with the cold end radial seal plate (901)；
The executing agency (6) is used to drive the quadric chain, so as to drive the first jacking component (4) and described the
Two jacking components (5) are mobile, and then drive the cold end radial seal plate (901) mobile, to adjust the cold end gap
(903)。
2. air preheater cold-end air radial seal Board position regulating device as claimed in claim 1, it is characterised in that described
One jacking component (4) includes the first mandril (41) and the second mandril (42), and the second jacking component (5) includes the 3rd mandril
(51)；
One end of first mandril (41) is rotatably connected on first driving member (1), the other end be used for it is described
Cold end radial seal plate (901) is hinged；One end of second mandril (42) is rotatably connected to first driving member (1)
On, the other end is used for hinged with the cold end radial seal plate (901)；
One end of 3rd mandril (51) is rotatably connected on second driving member (2), the other end be used for it is described
Cold end radial seal plate (901) is hinged；
First mandril (41) and second mandril (42) are configured to relative to the 3rd mandril (51) close to described
The outer rim of cold end radial seal plate (901).
3. air preheater cold-end air radial seal Board position regulating device as claimed in claim 2, it is characterised in that described
One driving member (1) includes main transmission bar (10), first connecting portion (11) and second connecting portion (12)；The connecting rod (3) includes the
One connecting rod (31) and second connecting rod (32)；
The first connecting portion (11) and the second connecting portion (12) are fixed on the main transmission bar (10)；Described
One mandril (41) and second mandril (42) are rotatably connected to the both ends of the main transmission bar (10) respectively；
The first connecting portion (11) and one end of the first connecting rod (31) are hinged, and are additionally operable to and the preheater rack
(900) it is hinged；The second connecting portion (12) and one end of the second connecting rod (32) are hinged, and are additionally operable to and the preheating
Device rack (900) is hinged；The other end of the first connecting rod (31) and the other end of the second connecting rod (32) respectively with it is described
Second driving member (2) is hinged.
4. air preheater cold-end air radial seal Board position regulating device as claimed in claim 3, it is characterised in that described
One jacking component (4) further includes the first socket joint (43) and second joint seat (44)；First socket joint (43) and described
Two socket joints (44) are rotationally respectively sleeved at the both ends of the main transmission bar (10)；
One end of first mandril (41) is connected on first socket joint (43), and the other end is used for the cold end radially
Sealing plate (901) is hinged；One end of second mandril (42) is connected on the second joint seat (44), the other end be used for
The cold end radial seal plate (901) is hinged.
5. air preheater cold-end air radial seal Board position regulating device as claimed in claim 4, it is characterised in that described
One mandril (41) is threadedly coupled with first socket joint (43), second mandril (42) and second joint seat (44) spiral shell
Line connects.
6. air preheater cold-end air radial seal Board position regulating device as claimed in claim 3, it is characterised in that described
Two driving members (2) include auxiliary driving bar, the 3rd connecting portion (23) and the 4th connecting portion (24), and the 3rd mandril (51) is rotatable
Ground is connected to the middle part of the auxiliary driving bar, and the 3rd connecting portion (23) and the 4th connecting portion (24) are fixedly installed respectively
At the both ends of the auxiliary driving bar；
3rd connecting portion (23) and the other end of the first connecting rod (31) are hinged, and are additionally operable to and the preheating
Device rack (900) is hinged；4th connecting portion (24) and the other end of the second connecting rod (32) are hinged, and are also used
In hinged with the preheater rack (900).
7. air preheater cold-end air radial seal Board position regulating device as claimed in claim 6, it is characterised in that the pair
Drive link includes the first bar portion (21) and the second bar portion (22), first bar portion (21) and second bar portion (22) coaxial line
And it is oppositely arranged；3rd connecting portion (23) and the 4th connecting portion (24) are respectively fixedly disposed at first bar portion
(21) and in second bar portion (22)；
The second jacking component (5) further includes the 3rd socket joint (50), and the both sides of the 3rd socket joint (50) are rotationally
It is respectively sleeved on the both ends being oppositely arranged of first bar portion (21) and second bar portion (22)；
One end of 3rd mandril (51) is connected on the 3rd socket joint (50), and the other end is used for the cold end radially
Sealing plate (901) is hinged.
8. air preheater cold-end air radial seal Board position regulating device as claimed in claim 7, it is characterised in that described
Three mandrils (51) are threadedly coupled with the 3rd socket joint (50).
9. a kind of air preheater, including cold end radial seal plate (901), preheater rack (900) and preheater rotor
(902), the preheater rotor (902) is rotatably arranged on the preheater rack (900), the cold end radial seal
Plate (901) is set along the radial direction of the preheater rotor (902), and between cold end between the preheater rotor (902)
Gap (903)；
It is characterized in that, the air preheater (90) is further included as described in any one claim in claim 1 to 8
Air preheater cold-end air radial seal Board position regulating device, the air preheater cold-end air radial seal Board position regulating device
On the preheater rack (900) and for adjusting the cold end gap (903).
10. air preheater as claimed in claim 9, it is characterised in that the cold end radial seal plate (901) the inner with
The preheater rack (900) is hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721307265.1U CN207316971U (en) | 2017-10-11 | 2017-10-11 | Air preheater cold-end air radial seal Board position regulating device and air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721307265.1U CN207316971U (en) | 2017-10-11 | 2017-10-11 | Air preheater cold-end air radial seal Board position regulating device and air preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207316971U true CN207316971U (en) | 2018-05-04 |
Family
ID=62429809
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721307265.1U Active CN207316971U (en) | 2017-10-11 | 2017-10-11 | Air preheater cold-end air radial seal Board position regulating device and air preheater |
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| Country | Link |
|---|---|
| CN (1) | CN207316971U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458364A (en) * | 2017-10-11 | 2018-08-28 | 上海敖征实业有限公司 | Air preheater cold-end air radial seal Board position regulating device and air preheater |
| CN110645359A (en) * | 2019-09-24 | 2020-01-03 | 航天科工哈尔滨风华有限公司电站设备分公司 | Mechanical self-correcting air preheater sealing device |
-
2017
- 2017-10-11 CN CN201721307265.1U patent/CN207316971U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458364A (en) * | 2017-10-11 | 2018-08-28 | 上海敖征实业有限公司 | Air preheater cold-end air radial seal Board position regulating device and air preheater |
| CN108458364B (en) * | 2017-10-11 | 2024-03-01 | 上海敖征实业有限公司 | Air preheater cold end radial seal board position adjusting device and air preheater |
| CN110645359A (en) * | 2019-09-24 | 2020-01-03 | 航天科工哈尔滨风华有限公司电站设备分公司 | Mechanical self-correcting air preheater sealing device |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Han Xiaohong Inventor after: Fan Meihua Inventor before: Han Xiaohong Inventor before: Fan Meihua Inventor before: Wang Ping |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201116 Address after: No. 388 LV Xiang Road, Luxiang Town, Shanghai, Jinshan District, Shanghai Patentee after: SHANGHAI AOZHENG INDUSTRIAL Co.,Ltd. Address before: No.388, Rongtian Road, LvXiang Town, Jinshan District, Shanghai, 201517 Patentee before: SHANGHAI AOZHENG INDUSTRIAL Co.,Ltd. Patentee before: SHANGHAI AOHAN INDUSTRIAL Co.,Ltd. Patentee before: SHANGHAI XUDIAN TECHNOLOGY Co.,Ltd. |