CN108592000A - For the damping assembly of boiler, boiler and its heating surface oscillation damping method - Google Patents

For the damping assembly of boiler, boiler and its heating surface oscillation damping method Download PDF

Info

Publication number
CN108592000A
CN108592000A CN201810147233.2A CN201810147233A CN108592000A CN 108592000 A CN108592000 A CN 108592000A CN 201810147233 A CN201810147233 A CN 201810147233A CN 108592000 A CN108592000 A CN 108592000A
Authority
CN
China
Prior art keywords
boiler
damping assembly
vibration
guide groove
side wall
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.)
Granted
Application number
CN201810147233.2A
Other languages
Chinese (zh)
Other versions
CN108592000B (en
Inventor
郝玉刚
张计鹏
张冬洁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China ENFI Engineering Corp
Original Assignee
China ENFI Engineering Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China ENFI Engineering Corp filed Critical China ENFI Engineering Corp
Priority to CN201810147233.2A priority Critical patent/CN108592000B/en
Publication of CN108592000A publication Critical patent/CN108592000A/en
Application granted granted Critical
Publication of CN108592000B publication Critical patent/CN108592000B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00Component parts or details of steam boilers
    • F22B37/02Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/24Supporting, suspending, or setting arrangements, e.g. heat shielding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The present invention provides for the damping assembly of boiler, boiler and its heating surface oscillation damping method.The damping assembly includes:Fixing piece, fixing piece are fixedly connected on the first precalculated position of boiler;Guide plate, guide plate are fixedly connected with fixing piece, and pilot hole is provided on guide plate;Limiting slot, limiting slot is fixed on the second precalculated position, and is open and is arranged towards guide plate, and at least part of guide plate extends in limiting slot, and position corresponding with pilot hole is respectively arranged with the first guide groove and the second guide groove on two opposite inner walls of limiting slot;Guide rod, guide rod are threaded through in the pilot hole, and the both ends of guide rod are separately positioned in the first guide groove and second guide groove.Inventor has found that the damping assembly can be effectively relieved the vibration of boiler heating surface, further increase boiler operating efficiency, and extend its service life, and the installation position of the damping assembly is flexible, may be not only suitable for miniature boiler, could be applicable to medium-and-large-sized boiler.

Description

For the damping assembly of boiler, boiler and its heating surface oscillation damping method
Technical field
The present invention relates to chemical technology fields, specifically, being related to heated for the damping assembly, boiler and its boiler of boiler Face oscillation damping method.
Background technology
Vigorously advocating and develop with energy-saving and emission-reduction, to the high temperature cigarette of nonferrous metallurgy or other industry (steel-making, coking) Gas all takes the measure that heat is collected in cooling, mainly configures the equipment such as waste heat boiler, cooler in exhanst gas outlet, ensure that Technological process works continuously, achieves good waste heat recovery effect.
But vibration and serious shaking can occur when heated for waste heat boiler, seriously affect waste heat boiler uses the longevity Life, vibration damping method general at present include:Guider is set at the backplate of uptake flue and downward-flow flue, is spaced apart; Guider is set in the stud of radiation chamber and convective region left and right sides, limits the vibration and shaking of left and right sides heating surface.But It is that in actual use, still there are many shortcomings.
Therefore, the damping technology in relation to boiler needs to be studied.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention One purpose be to propose it is a kind of have effectiveness in vibration suppression is good, the applicable miniature boiler that had not only been applicable in medium-and-large-sized boiler again, easy construction or The damping assembly for boiler for the advantages that improving boiler operating efficiency.
The present invention is obtained based on inventor's understanding below and discovery:
Inventor has found, the guiding dress being spaced apart is arranged in existing boiler at the backplate of uptake flue and downward-flow flue Set, or/and the stud of radiation chamber and convective region left and right sides be arranged guider, limit left and right sides heating surface vibration and Shake etc..Existing oscillation damping method installation site is single, method is single, installation site spacing is big, and need mostly boiler factory into Row manufacture and installation, the above method can be suitable for small-sized waste heat boiler reluctantly, but be directed to medium-and-large-sized boiler, and heating surface will appear The case where part or many places vibrate, above two damping technology is not too much applicable in.Inventor devises one kind by numerous studies It is applicable to medium-and-large-sized boiler and is suitable for the damping assembly of miniature boiler simultaneously, which includes mainly the fixation of fixed setting Part and limiting slot, with pilot hole and the guide plate that is fixedly connected with fixing piece, and the guide rod that is threaded through in pilot hole, In, the both ends of guide rod are arranged in the guide groove of limiting slot two lateral walls.In this way, boiler is at work, the vibration of boiler Will be transmitted on fixing piece and guide plate, the vibration on guide plate will be transmitted on guide rod, wherein guide rod along Guide groove moves, while just transferring vibrations on the side wall of limiting slot, since the activity space of guide rod is limited, and then just limits The vibration for having made boiler, further improves operating efficiency, extends its service life.
In view of this, in one aspect of the invention, the present invention provides a kind of damping assemblies for boiler.According to this The embodiment of invention, the damping assembly include:Fixing piece, the fixing piece are fixedly connected on the first precalculated position of boiler;It leads To plate, the guide plate is fixedly connected with the fixing piece, and is provided with pilot hole on the guide plate;Limiting slot, the limit Position slot is fixed on the second precalculated position, and is open and is arranged towards the guide plate, and at least part of the guide plate extends to In the limiting slot, position corresponding with the pilot hole is respectively arranged with first and leads on two opposite inner walls of the limiting slot To slot and the second guide groove;Guide rod, the guide rod are threaded through in the pilot hole, and the both ends of the guide rod are set respectively It sets in first guide groove and second guide groove.Inventor has found that shaking for boiler can be effectively relieved in the damping assembly It is dynamic, which is arranged by the vibration position (outer surface of such as heating surface) in the boiler, when boiler part or many places are sent out When raw vibration, the vibration of boiler will be transmitted on fixing piece and guide plate, and the vibration on guide plate will be transmitted to guiding On bar, wherein guide rod is moved along the first guide groove and the second guide groove, while just transferring vibrations to each of limiting slot On side wall, since the activity space of guide rod is limited by the first guide groove and the second guide groove, and then just limits and weaken The vibration of boiler, further improves operating efficiency, extends its service life, and the installation position spirit of the damping assembly It is living, it can be arranged according to demand in any position vibrated, while overcoming traditional vibration absorber can only be by boiler manfacturing The problem of factory is constructed and installed, damping assembly of the invention can voluntarily setting should at the desired position according to actual needs Damping assembly, and the damping assembly may be not only suitable for miniature boiler, could be applicable to medium-and-large-sized boiler, especially, the vibration damping Component is to the better of low frequency vibration.
According to an embodiment of the invention, the fixing piece is shaped steel, preferably H profile steel.
According to an embodiment of the invention, the buckstay of the boiler constitutes the fixing piece.
According to an embodiment of the invention, there is gap between the guide plate and the inner wall of the limiting slot.
According to an embodiment of the invention, the limiting slot includes:It bottom wall and is sequentially connected and is connected with the bottom wall The first side wall, second sidewall, third side wall and the 4th side wall, wherein the first side wall and the third side wall phase each other Right, the inner surface of the first side wall is provided with first guide groove, and the inner surface of the third side wall is provided with described Two guide grooves, the second sidewall and the 4th side wall are relative to each other, and the bottom wall is used to the limiting slot being fixed on institute State the second precalculated position.
According to an embodiment of the invention, the first side wall and the third side wall are formed by channel steel, the second sidewall It is formed by steel plate with the 4th side wall, the bottom wall is formed by shaped steel.
According to an embodiment of the invention, the guide rod is formed by round steel.
According to an embodiment of the invention, the pilot hole, first guide groove and second guide groove are led described Orthographic projection overlapping on plate, and the shape of the orthographic projection is matched with the direction of vibration in first precalculated position.
In another aspect of this invention, the present invention provides a kind of boilers.According to an embodiment of the invention, which includes Foregoing damping assembly.As a result, when boiler part or many places vibrate, the vibration of boiler will be transmitted to fixing piece And on guide plate, the vibration on guide plate will be transmitted on guide rod, and wherein guide rod is along the first guide groove and second Guide groove moves, while just transferring vibrations on each side wall of limiting slot, since the activity space of guide rod is by first The limitation of guide groove and the second guide groove, and then the vibration of boiler is just limited and reduces, further so that the boiler has Higher operating efficiency, longer service life, and damping assembly can be solved by the flexible installation position of fixing piece The vibration problem of different location, and can damping assembly voluntarily be arranged at the position of needs as needed in user.
According to an embodiment of the invention, the damping assembly is arranged in the outer surface of the boiler heating surface.
According to an embodiment of the invention, the boiler is waste heat boiler.
At the another aspect of invention, the present invention provides a kind of boiler heating surface oscillation damping methods.Implementation according to the present invention Example, the oscillation damping method include:Determine the vibration position of boiler heating surface;In the outer surface of the vibration position, setting is noted earlier Damping assembly.This method is simple and effective as a result, and effectiveness in vibration suppression is good, and this method may be not only suitable for miniature boiler, is also applicable to In medium-and-large-sized boiler, especially, the damping assembly to the effectiveness in vibration suppression of low frequency vibration more preferably, when boiler heating surface part or more When place vibrates, the vibration of boiler will be transmitted on fixing piece and guide plate, and the vibration on guide plate will be transmitted to On guide rod, wherein guide rod is moved along the first guide groove and the second guide groove, while just transferring vibrations to limiting slot On each side wall, since the activity space of guide rod is limited by the first guide groove and the second guide groove, and then just limit and The vibration of boiler is limited, the further operating efficiency for improving boiler extends its service life, and this method is not limited to only have Boiler maker just can construct and install, and above-mentioned vibration damping group can be voluntarily arranged in user at the desired position according to actual needs Part.
According to an embodiment of the invention, the present invention at least has the following technical effects:
(1) damping assembly and oscillation damping method of the invention efficiently solve medium-and-large-sized boiler heating surface part or many places vibration The problem of, damping assembly and the oscillation damping method of the present invention can be applied to be asked to solve vibration in non-standard equipment design and engineering site Topic.
(2) damping assembly of the invention, boiler oscillation damping method have the characteristic of controllability, and using flexible can basis Boiler actual operating state flexibly selects and adjusts damping assembly, and with actual condition matching degree higher, effectiveness in vibration suppression is more preferably.
(3) damping assembly, boiler and oscillation damping method of the invention can be implemented in the different location of boiler, according to position Set different and on-site actual situations, according to, come the method for using verification, effectiveness in vibration suppression is more preferably the reason of causing vibration.
(4) damping assembly of the invention, boiler and oscillation damping method construction, maintenance are convenient.Not by boiler factory's manufacture installation Constraint, user can construct, be overhauled in the process of running at the scene.
(5) by using the damping assembly and oscillation damping method of the present invention, it can effectively weaken or avoid remaining with site operation Heat boiler vibrates, and ensures the stabilization safe operation of waste heat boiler, improves waste heat boiler operating rate.
Description of the drawings
Fig. 1 is the front view of damping assembly in one embodiment of the invention.
Fig. 2 is the front view of limiting slot in another embodiment of the present invention.
Fig. 3 is the left view of limiting slot in another embodiment of the invention.
Fig. 4 is the structural schematic diagram of waste heat boiler in another embodiment of the invention.
Fig. 5 is that there are one the structural schematic diagrams of convective region in embodiment in the present invention.
Fig. 6 is the flow diagram of boiler oscillation damping method in another embodiment of the invention.
Reference numeral:
1000:Boiler 100:First precalculated position 200:Second precalculated position 300:Uptake flue 400:Downward-flow flue 500:Convective region 600:Radiation area 10:Fixing piece 20:Guide plate 21:Pilot hole 30:Limiting slot 31:First guide groove 32: Second guide groove 33:The first side wall 34:Second sidewall 35:Third side wall 36:4th side wall 37:Bottom wall 40:Guide rod 50:Damping assembly
Specific implementation mode
The embodiment of the present invention is described below in detail.The embodiments described below is exemplary, and is only used for explaining this hair It is bright, and be not considered as limiting the invention.Particular technique or condition are not specified in embodiment, according to text in the art It offers described technology or condition or is carried out according to product description.Reagents or instruments used without specified manufacturer, For can be with conventional products that are commercially available.
In one aspect of the invention, the present invention provides a kind of damping assemblies for boiler.Reality according to the present invention Example is applied, (Fig. 1 is the front view of damping assembly to-Fig. 3, and Fig. 2 is the front view of limiting slot, and Fig. 3 is the left view of limiting slot referring to Fig.1 Figure), which includes:Fixing piece 10, fixing piece 10 are fixedly connected on the first precalculated position 100 of boiler 1000;It is oriented to Plate 20, guide plate 20 are fixedly connected with fixing piece 10, and pilot hole 21 is provided on guide plate 20;Limiting slot 30, limiting slot 30 It is fixed on the second precalculated position 200, and is open and is arranged towards guide plate 20, at least part of guide plate 20 extends to limiting slot In 30, position corresponding with pilot hole 21 is respectively arranged with the first guide groove 31 and second on two opposite inner walls of limiting slot 30 Guide groove 32;Guide rod 40, guide rod 40 are threaded through in pilot hole 21, and the both ends of guide rod 40 are separately positioned on the first guiding In slot 31 and the second guide groove 32.Inventor has found that the vibration of boiler can be effectively relieved in the damping assembly, by the boiler The damping assembly is arranged in vibration position (outer surface of such as heating surface), and when boiler part or many places vibrate, boiler shakes Dynamic to be transmitted on fixing piece and guide plate, the vibration on guide plate will be transmitted on guide rod, wherein guide rod edge The first guide groove and the movement of the second guide groove, while just being transferred vibrations on each side wall of limiting slot, due to guide rod Activity space limited by the first guide groove and the second guide groove, and then the vibration of boiler is reduced with regard to limitation, further Raising operating efficiency, extend its service life, and the installation position of the damping assembly is flexible, can be arranged according to demand Any position vibrated, while overcome that traditional vibration absorber can only be constructed and be installed by boiler maker asks The damping assembly, and the vibration damping group can be voluntarily arranged in topic, damping assembly of the invention at the desired position according to actual needs Part may be not only suitable for miniature boiler, could be applicable to medium-and-large-sized boiler, especially, effect of the damping assembly to low frequency vibration Fruit is more preferably.
According to an embodiment of the invention, the specific type of fixing piece is there is no limit requiring, as long as the can be stably fixed to One precalculated position and with preferable endurance.In some embodiments of the invention, fixing piece is shaped steel, preferably H Shaped steel.It can not only ensure that there is fixing piece preferable endurance to bear the vibration from boiler as a result, but also can be very stable solid Due to the outer surface for boiler of passing by one's way, so that guide plate can be fixed at vibration position.If in the buckstay position of boiler It is equipped with vibration, it is cost-effective in order to make full use of boiler components, in other embodiments of the present invention, the buckstay of boiler It may be constructed fixing piece.Not only there is buckstay preferable endurance and stability to bear the vibration of boiler as a result, can also contract Subtract technological process, saves raw material.
According to an embodiment of the invention, there is no limit requirement, art technologies with the mode that is fixedly connected of boiler for fixing piece Personnel can flexibly select according to actual conditions.In an embodiment of the present invention, fixing piece can pass through the side of welding with boiler Formula connects, specifically, fixing piece to be welded on to the outer surface of boiler, preferably surrounding in fixed connection place (the first precalculated position) Full weld, weld bead height is up to 8 millimeters.Thus, it is possible to which that more stablizes secures the holder to the first precalculated position, fixing piece is prevented It falls off because of the vibration of boiler.
According to an embodiment of the invention, the selection in the first precalculated position is also not particularly limited, and those skilled in the art can With the position for any generation vibration that above-mentioned fixing piece is arranged on boiler according to actual demand.In some implementations of the present invention In example, above-mentioned first precalculated position can be the outer surface of heating surface.In an embodiment of the present invention, in order to subtract to the greatest extent Fixing piece, can be arranged the position vibrated on heating surface by the vibration of weak boiler heating surface, i.e. the first precalculated position be by The position for the outer surface that hot face vibrates.Quickly and effectively the vibration at heating surface is transmitted on damping assembly as a result, most The vibration of the decrease boiler heating surface of big degree.
According to an embodiment of the invention, the specific material of guide plate is formed there is no limit requiring, as long as the guide plate has Certain bears the vibration from boiler, and those skilled in the art can flexibly select according to actual demand. In the embodiment of the present invention, the specific material that forms guide plate include but not limited in Q235-A, alloy steel or stainless steel extremely Few one kind.
According to an embodiment of the invention, also there is no limit requirements with the mode that is fixedly connected of fixing piece for guide plate, as long as energy The two is fixedly connected.In some embodiments of the invention, the connection type of guide plate and fixing piece includes but unlimited In modes such as welding, rivetings.Stable connection as a result, ensures that guide plate will not be detached from fixing piece because of the vibration of boiler.In this hair In some bright specific embodiments, guide plate is welded to connect with the H-type beam on boiler heating surface, site welding surrounding full weld, weldering Seam height can be 8mm.It is easy to operate as a result, it is connected firmly.
According to an embodiment of the invention, in order to ensure effectively to pass the vibration from boiler, guide plate and limit There is gap between the inner wall of position slot.As a result, since guide plate can be vibrated with the vibration of boiler, so guide plate need to be given Certain activity space ensures that guide plate effectively passes the vibration of boiler, it is empty can either to reserve certain thermal expansion Between, but can effective restricted guidance plate activity space.
According to an embodiment of the invention, the size and shape of the pilot hole on guide plate are led with the first guide groove and second Match to the shape and size of slot, and the shape and size of the first guide groove and the second guide groove are mainly according to boiler first Precalculated position vibration direction and design.Specifically, referring to Fig.1, pilot hole 21, the first guide groove 31 and the second guide groove 32 On guide plate 20 orthographic projection overlapping, pilot hole, the orthographic projection on guide plate of the first guide groove and the second guide groove shape It is matched with the direction of vibration in the first precalculated position.The direction of vibration of guide rod and the first guide groove and the second guide groove as a result, Shape it is identical, and be consistent with the direction of vibration of boiler, and then can quickly and effectively absorb the vibration of boiler.In this hair In a bright specific embodiment, referring to Fig.1, the first guide groove 31 and the second guide groove 32 tilt (inclined side to the right To being depending on direction of vibration), the inclined direction of the direction of vibration of guide rod and the first guide groove and the second guide groove as a result, It is identical, and be consistent with the direction of vibration of boiler, and then can quickly and effectively absorb boiler downwards and vibration to the right.
Wherein, it should be noted that the first guide groove and the second guide groove can penetrate the side wall of limiting slot (with reference to figure 1) side wall (with reference to Fig. 2) of limiting slot, can also not be penetrated, and those skilled in the art can flexibly select as needed.
According to an embodiment of the invention, in order to ensure that guide rod can be well by the absorption of vibrations of boiler, first is oriented to The size of slot and the second guide groove on length and width direction is slightly larger than the size of guide rod.Thereby it is ensured that guide rod can be with Well by the absorption of vibrations of boiler, construction error can also be avoided and calculate error.
According to an embodiment of the invention, forming the specific material of guide rod, there is no limit require.As long as can effectively by The vibration of boiler passes.In the embodiment of the present invention, guide rod is formed by round steel.Guide rod has preferable as a result, Endurance absorb the vibration from boiler.According to an embodiment of the invention, the size of guide rod is it is not also specifically limited, can be with Flexibly selected according to the Vibration Condition of boiler, for example, guide rod diameter can be several millimeters, more than ten millimeters, tens millimeters even Millimeters up to a hundred, in a specific embodiment, guide rod can be formed by the round steel of a diameter of 40mm.Have as a result, and preferably subtracts It shakes effect.
According to an embodiment of the invention, the fixed position (the second precalculated position) of limiting slot be according to the first precalculated position with And the sizes of vibration component all parts is designed, this is not restricted requires.In some embodiments of the invention, it limits On the other components such as the position slot appropriate location that can be fixed on boiler outer surface or the column in boiler;In the another of the present invention In some embodiments, limiting slot can be fixed on other equipments being arranged beside boiler.
According to an embodiment of the invention, with reference to Fig. 2 and Fig. 3, the structure of limiting slot includes:Bottom wall 37 and be sequentially connected, And the first side wall 33, second sidewall 34, third side wall 35 and the 4th side wall 36 being connected with bottom wall 37, wherein the first side wall 33 and third sidewall 34 it is relative to each other, the inner surface of the first side wall 33 is provided with the first guide groove 31, the interior table of third sidewall 34 Face is provided with the second guide groove 32, and opposite to each other, bottom wall 37 is for limiting slot to be fixed on for second sidewall 35 and the 4th side wall 36 Second precalculated position.The opening of the guide groove of above structure is arranged towards guide plate as a result, and at least part of guide plate It extends in limiting slot, guide rod is threaded through in pilot hole, and its both ends is separately positioned on the first guide groove and second and is oriented to In slot, and then the connection of three guide plate, guide rod and limiting slot structure members in damping assembly is completed, and above-mentioned connection type The technique effect for alleviating boiler vibration can be well realized.Specifically, when boiler part or many places vibrate, boiler Vibration will be transmitted on fixing piece and guide plate, and the vibration on guide plate will be transmitted on guide rod, wherein guide rod It moves, while is just transferred vibrations on each side wall of limiting slot along the first guide groove and the second guide groove, due to being oriented to The activity space of bar is limited by the first guide groove and the second guide groove, and then just limits and reduce the vibration of boiler, real Now slow down the technique effect of boiler vibration.
According to an embodiment of the invention, the bottom wall of limiting slot and four side walls can be formed by identical material, can also root According to actual demand, formed by different materials.In some embodiments of the invention, the first side wall and third side wall are by channel steel shape At second sidewall and the 4th side wall are formed by steel plate, and bottom wall is formed by shaped steel.Slow down the better of boiler vibration as a result, has Body, the intensity of the first side wall and third side wall can be increased with channel steel, resist the vibration force of bigger;It can be increased using steel plate Contact area prevents the strength of boiler vibration from excessively concentrating, and is damaged to boiler (such as heating surface or contact point).
According to an embodiment of the invention, the specific connection type between the side wall and bottom wall of limiting slot does not also limit especially System, those skilled in the art can flexibly select with operating condition according to actual needs.In some embodiments of the invention, shape It is welded to connect by steel plate at the upper and lower part of the channel steel of limit groove sidewall, steel plate plays on fixed channel steel and restricted guidance plate The effect of lower movement.
According to an embodiment of the invention, for the size of damping assembly also there is no limit requirement, those skilled in the art can The size of damping assembly is designed according to the size of boiler or the flexible in size of vibration position, this is not restricted requires.
According to an embodiment of the invention, the specific type of the applicable boiler of the damping assembly is not particularly limited, Ke Yiwei Any of boiler, it is accordingly required in particular to which explanation, the dampening assembly is especially suitable for waste heat boiler, especially medium-and-large-sized pot Stove, and damping effect for low frequency vibration it is further preferred that.In addition, the damping assembly is in addition to can be used for weakening boiler (as being heated Face) vibration, can be also used for other need reduce vibration or vibration proof any equipment.
In another aspect of this invention, the present invention provides a kind of boilers.According to an embodiment of the invention, which includes Foregoing damping assembly.As a result, when boiler part or many places vibrate, the vibration of boiler will be transmitted to fixing piece And on guide plate, the vibration on guide plate will be transmitted on guide rod, and wherein guide rod is along the first guide groove and second Guide groove moves, while just transferring vibrations on each side wall of limiting slot, since the activity space of guide rod is by first The limitation of guide groove and the second guide groove, and then the vibration of boiler is just limited and reduces, further so that the boiler has Higher operating efficiency, longer service life, and damping assembly can be solved by the flexible installation position of fixing piece The vibration problem of different location, and can damping assembly voluntarily be arranged at the position of needs as needed in user.
According to an embodiment of the invention, due to being relatively easy to vibrate in the heating surface of boiler, it is possible to by vibration damping Component is arranged in the outer surface of boiler heating surface.The vibration that targetedly effectively slows down boiler heating surface as a result, is improved with this The working efficiency and service life of boiler.
According to an embodiment of the invention, installation position of the damping assembly on the outer surface of boiler heating surface and setting quantity There is no limit requirement, according to actual demands such as the Vibration Condition of boiler or arrangement spaces, flexibly selection is those skilled in the art It can.In some embodiments of the invention, damping assembly, the quantity of setting are set in the outer surface of the heating surface vibrated It, specifically, multigroup damping assembly can be arranged in the relatively high position of vibration frequency, can be shaken depending on the vibration frequency of heating surface The relatively low position of dynamic frequency can reduce the quantity of damping assembly, for example be arranged one group or be not provided with damping assembly.As a result, It not only can effectively weaken the vibration of heating surface, also can avoid wasting caused by setting quantity is excessive.
According to an embodiment of the invention, the arrangement of damping assembly is not manufactured constraining for installation, i.e. damping assembly by boiler It can be arranged in engineering design, the operating condition after can also being gone into operation according to engineering, in the position of boiler heating surface serious vibration Set arrangement.It is convenient for construction and maintenance as a result, can be installed, overhauled or be replaced at any time.
According to an embodiment of the invention, for the size of damping assembly also there is no limit requirement, those skilled in the art can The size of damping assembly is designed according to the size of boiler or the flexible in size of vibration position, this is not restricted requires.
According to an embodiment of the invention, the specific type of above-mentioned boiler can be any in this field there is no limit requirement The small various boilers such as medium-and-large-sized for needing to reduce vibration.In an embodiment of the present invention, boiler is waste heat boiler.Art technology Personnel are known, and at work, heating surface will appear vibration and serious shaking to waste heat boiler, and by boiler heating surface The damping assembly is arranged in outer surface, and when boiler heating surface part or many places vibrate, the vibration of boiler will be transmitted to solid Determine on part and guide plate, the vibration on guide plate will be transmitted on guide rod, wherein guide rod along the first guide groove and Second guide groove moves, while just transferring vibrations on each side wall of limiting slot, due to guide rod activity space by The limitation of first guide groove and the second guide groove, and then just limit and reduce the vibration of boiler so that the boiler has higher Operating efficiency, longer service life.
Certainly, it will be understood by those skilled in the art that in addition to foregoing damping assembly, boiler further includes conventional boiler Necessary structure and component, by taking waste heat boiler as an example, in addition to foregoing damping assembly 50, with reference to Fig. 4, the waste heat boiler 1000 further include the necessary structure such as uptake flue 300, downward-flow flue 400, convective region 500 and radiation chamber 600 and component.According to this Above-mentioned damping assembly can be arranged in radiation chamber (not shown) and convection current with reference to Fig. 5 for one specific embodiment of invention Area 500.
At the another aspect of invention, the present invention provides a kind of boiler heating surface oscillation damping methods.Implementation according to the present invention Example, with reference to Fig. 6, which includes:
S100:Determine the vibration position of boiler heating surface.
According to an embodiment of the invention, the concrete mode of vibration position is determined there is no limit requiring, those skilled in the art It can flexibly select according to actual needs, for example the methods of intuitive ocular estimate or touch sensible method are determined.
According to an embodiment of the invention, for the criterion of vibration position, there is no limit requirement, those skilled in the art It is flexibly selected according to actual demand.For example, can the more violent position of vibration or shaking be set as vibration position, shake The lower position of dynamic frequency can be not set to vibration position according to actual conditions, can also be set as vibration position.Wherein, to high frequency Rate vibrates the boundary low with vibration frequency there is no limit requirement, size that those skilled in the art can be according to boiler, body vibration The actual conditions such as situation are flexibly arranged, and this is not restricted requires.
S200:In the outer surface of vibration position, foregoing damping assembly is set.
According to an embodiment of the invention, damping assembly the outer surface of vibration position setting quantity there is no limit require, Those skilled in the art flexibly select according to actual demands such as the Vibration Condition of boiler or arrangement spaces.The one of the present invention In a little embodiments, the quantity that damping assembly is arranged can be depending on the vibration frequency of vibration position, specifically, vibration frequency is opposite Multigroup damping assembly can be arranged in higher vibration position, and the relatively low vibration position of vibration frequency can reduce the number of damping assembly Amount, for example one group of damping assembly is set.It not only can effectively weaken the vibration of heating surface as a result, also can avoid because number is arranged It is wasted caused by amount is excessive.
According to an embodiment of the invention, the specific method that damping assembly is arranged is not particularly limited, those skilled in the art It can flexibly select as needed.In some embodiments of the invention, by the way that the bottom wall setting of fixing piece and limiting slot exists Suitable position and the installation for realizing damping assembly.Specifically, fixing piece can be fixed by the fixed forms such as welding, riveting It is connected to the vibration position of boiler, the bottom wall of limiting slot is arranged in the components such as the column of boiler or other dresses closed on boiler Set in equipment.It is simple, convenient as a result, and be not limited to be installed by boiler maker, user can be according to need It voluntarily to install, and can be adjusted flexibly according to boiler practical operation situation.
According to an embodiment of the invention, it is heated to can be used for weakening boiler noted earlier for above-mentioned boiler heating surface oscillation damping method The vibration in face, wherein the fixed form between damping assembly and boiler and in damping assembly between each structure is in front institute That states is consistent, and this is no longer going to repeat them.
Inventor has found that above-mentioned oscillation damping method is simple and effective, and effectiveness in vibration suppression is good, and this method may be not only suitable for small-sized pot Stove could be applicable to medium-and-large-sized boiler, especially, the damping assembly to the effectiveness in vibration suppression of low frequency vibration more preferably, when boiler by When hot face part or many places vibrate, the vibration of boiler will be transmitted on fixing piece and guide plate, shaking on guide plate Dynamic to be transmitted on guide rod, wherein guide rod is moved along the first guide groove and the second guide groove, while just passing vibration It is delivered on each side wall of limiting slot, since the activity space of guide rod is limited by the first guide groove and the second guide groove, And then the vibration of boiler is just limited and reduces, the further operating efficiency for improving boiler extends its service life, and the party Method, which is not limited to only boiler maker, just can construct and install, and user can voluntarily set at the desired position according to actual needs Set above-mentioned damping assembly.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more, Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;Can be that machinery connects It connects, can also be electrical connection;It can be directly connected, can also can be indirectly connected through an intermediary in two elements The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changes, replacing and modification.

Claims (12)

1. a kind of damping assembly for boiler, which is characterized in that including:
Fixing piece, the fixing piece are fixedly connected on the first precalculated position of boiler;
Guide plate, the guide plate are fixedly connected with the fixing piece, and are provided with pilot hole on the guide plate;
Limiting slot, the limiting slot is fixed on the second precalculated position, and is open and is arranged towards the guide plate, the guide plate At least part extends in the limiting slot, position corresponding with the pilot hole on two opposite inner walls of the limiting slot It is respectively arranged with the first guide groove and the second guide groove;
Guide rod, the guide rod are threaded through in the pilot hole, and the both ends of the guide rod are separately positioned on described first In guide groove and second guide groove.
2. damping assembly according to claim 1, which is characterized in that the fixing piece is shaped steel, preferably H profile steel.
3. damping assembly according to claim 1, which is characterized in that the buckstay of the boiler constitutes the fixing piece.
4. damping assembly according to claim 1, which is characterized in that between the guide plate and the inner wall of the limiting slot With gap.
5. damping assembly according to claim 1, which is characterized in that the limiting slot includes:Bottom wall and be sequentially connected, And the first side wall, second sidewall, third side wall and the 4th side wall being connected with the bottom wall, wherein the first side wall and The third side wall is relative to each other, and the inner surface of the first side wall is provided with first guide groove, the third side wall Inner surface is provided with second guide groove, and the second sidewall and the 4th side wall are relative to each other, and the bottom wall is used for will The limiting slot is fixed on second precalculated position.
6. damping assembly according to claim 5, which is characterized in that the first side wall and the third side wall are by channel steel It is formed, the second sidewall and the 4th side wall are formed by steel plate, and the bottom wall is formed by shaped steel.
7. damping assembly according to claim 1, which is characterized in that the guide rod is formed by round steel.
8. damping assembly according to claim 1, which is characterized in that the pilot hole, first guide groove and described Orthographic projection overlapping of second guide groove on the guide plate, and the shape of the orthographic projection and first precalculated position shake Dynamic direction matches.
9. a kind of boiler, which is characterized in that including the damping assembly described in any one of claim 1-8.
10. boiler according to claim 9, which is characterized in that the damping assembly is arranged in the boiler heating surface Outer surface.
11. boiler according to claim 9 or 10, which is characterized in that the boiler is waste heat boiler.
12. a kind of boiler heating surface oscillation damping method, which is characterized in that including:
Determine the vibration position of boiler heating surface;
In the damping assembly described in any one of the outer surface of vibration position setting claim 1-8.
CN201810147233.2A 2018-02-12 2018-02-12 Vibration reduction assembly for boiler, boiler and vibration reduction method for heating surface of boiler Active CN108592000B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810147233.2A CN108592000B (en) 2018-02-12 2018-02-12 Vibration reduction assembly for boiler, boiler and vibration reduction method for heating surface of boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810147233.2A CN108592000B (en) 2018-02-12 2018-02-12 Vibration reduction assembly for boiler, boiler and vibration reduction method for heating surface of boiler

Publications (2)

Publication Number Publication Date
CN108592000A true CN108592000A (en) 2018-09-28
CN108592000B CN108592000B (en) 2023-07-14

Family

ID=63608796

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810147233.2A Active CN108592000B (en) 2018-02-12 2018-02-12 Vibration reduction assembly for boiler, boiler and vibration reduction method for heating surface of boiler

Country Status (1)

Country Link
CN (1) CN108592000B (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02105456U (en) * 1989-02-08 1990-08-22
JPH05157206A (en) * 1991-05-23 1993-06-22 Babcock Hitachi Kk Boiler structure
JPH06185614A (en) * 1992-12-16 1994-07-08 Mitsubishi Motors Corp Vibration damping type transmission with control finger
JPH06249401A (en) * 1993-02-26 1994-09-06 Babcock Hitachi Kk Aseismatic structure for boiler
JPH09264504A (en) * 1996-03-28 1997-10-07 Nkk Corp Antivibration frame of refuse incineration plant
JPH11241805A (en) * 1998-02-25 1999-09-07 Ishikawajima Harima Heavy Ind Co Ltd Earthquake load reducing structure for boiler main body
JP2012097816A (en) * 2010-11-02 2012-05-24 Ihi Corp Elasto-plastic brace vibration isolation structure
CN206113709U (en) * 2016-10-12 2017-04-19 宁夏佰斯特医药化工有限公司 Steam boils ware
CN208108057U (en) * 2018-02-12 2018-11-16 中国恩菲工程技术有限公司 Damping assembly and boiler for boiler

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02105456U (en) * 1989-02-08 1990-08-22
JPH05157206A (en) * 1991-05-23 1993-06-22 Babcock Hitachi Kk Boiler structure
JPH06185614A (en) * 1992-12-16 1994-07-08 Mitsubishi Motors Corp Vibration damping type transmission with control finger
JPH06249401A (en) * 1993-02-26 1994-09-06 Babcock Hitachi Kk Aseismatic structure for boiler
JPH09264504A (en) * 1996-03-28 1997-10-07 Nkk Corp Antivibration frame of refuse incineration plant
JPH11241805A (en) * 1998-02-25 1999-09-07 Ishikawajima Harima Heavy Ind Co Ltd Earthquake load reducing structure for boiler main body
JP2012097816A (en) * 2010-11-02 2012-05-24 Ihi Corp Elasto-plastic brace vibration isolation structure
CN206113709U (en) * 2016-10-12 2017-04-19 宁夏佰斯特医药化工有限公司 Steam boils ware
CN208108057U (en) * 2018-02-12 2018-11-16 中国恩菲工程技术有限公司 Damping assembly and boiler for boiler

Also Published As

Publication number Publication date
CN108592000B (en) 2023-07-14

Similar Documents

Publication Publication Date Title
US9664381B2 (en) Staged oxy-fuel burners and methods for using the same
CN105299634B (en) The supercritical circulating fluidized bed boiler water-cooling wall of high flow stability under underload
PL222128B1 (en) Tower boiler with a separate chimney channel and adjustable flow
CN208108057U (en) Damping assembly and boiler for boiler
CN108592000A (en) For the damping assembly of boiler, boiler and its heating surface oscillation damping method
CN101105287A (en) Screen type heated surface arrangement method for fluid bed boiler furnace
JP2008527292A (en) Multi-stage combustion method producing asymmetric flames
EP0602244B1 (en) Boiler
JP2009537781A (en) Evaporator surface structure of circulating fluidized bed boiler and circulating fluidized bed boiler having this evaporator surface structure
CN207975631U (en) Boiler
CN108224400A (en) Boiler and its heating surface oscillation damping method
CN207975632U (en) Damping assembly and boiler for boiler
CN201059537Y (en) Fluidized-bed boiler furnace screen type heating surface structure
CN102679308B (en) Subcritical, the overcritical oil oven of Large Copacity more than high parameter 600MW
CN108317501A (en) For the damping assembly of boiler, boiler and its heating surface oscillation damping method
CN206478614U (en) A kind of fixed superheated steam generator of split type large-tonnage of burner hearth
EP3086037A1 (en) Comb teeth type water-cooled column and hearth having same
US2648316A (en) Support for steam generator drums
CN102635854A (en) Large-scale circulating fluid bed boiler with buffering bed
US4145996A (en) Vapor generator
KR20140096998A (en) Dual path paralell superheater
CN101639215A (en) Method for reducing slag formation at platen zone of coal burning boiler
US4416732A (en) Horizontal coke oven battery
EP1122502A1 (en) Chiller heater and method of modification
CN204494774U (en) A kind of blast cap and radiator of cooking a meal thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant