CN217583721U - Combined limiting support of SCR reactor - Google Patents
Combined limiting support of SCR reactor Download PDFInfo
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- CN217583721U CN217583721U CN202221601494.5U CN202221601494U CN217583721U CN 217583721 U CN217583721 U CN 217583721U CN 202221601494 U CN202221601494 U CN 202221601494U CN 217583721 U CN217583721 U CN 217583721U
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Abstract
The utility model provides a spacing support of combination of SCR reactor, the spacing support of combination includes middle part support and four at least column base supports, the middle part support includes the vertical direction of spacing plug has spacing ear seat one that the symmetry set up, spacing ear seat one has spacing ear seat two in the equal parallel arrangement of direction of keeping away from spacing plug, two orientations of spacing ear seat one dorsad are connected with limit baffle perpendicularly, the column base support all including set gradually in the roof of SCR reactor bottom column base, hinder temperature board and bottom plate, the roof, the symmetry both ends of hindering temperature board and bottom plate are fixed simultaneously through the fastener, and other symmetry both ends are connected with the baffle. The utility model discloses in, the combination limiting support who provides is under the thermal energy condition of SCR reactor under the high temperature of comprehensive consideration, through the concrete structure and the position setting of middle part support and column base support, reduces the hard dragging of reactor body, improves the safety and stability nature.
Description
Technical Field
The utility model belongs to the technical field of the steel construction design, a combination limit support of SCR reactor is related to.
Background
The prior denitration process mainly adopts an SCR (selective catalytic reduction, which means that ammonia gas reduces nitrogen oxides in flue gas into nitrogen and water at 300-400 ℃ in the presence of a catalyst) or an SNCR (selective non-catalytic reduction) process.
At present, in practical application of an industrial kiln (such as a fluidized bed furnace for producing raw material calcination), flue gas generated after combustion of fuel in a hearth is directly discharged and used for drying materials, no heat exchange and cooling equipment such as an economizer and an air preheater is arranged behind the kiln, the temperature of the flue gas is high and can generally reach 600-900 ℃, and the generation concentration of nitrogen oxides is high under a high-temperature working condition. Therefore, a Selective Catalytic Reduction (SCR) process is mostly used, and the denitration efficiency can generally achieve 90%, which is also the mainstream denitration process at present. However, the SCR process needs to be provided with an independent catalyst reactor due to the use of a catalyst, and this type of reactor needs to be high temperature resistant and may generate pressure inside, so that the reactor body needs to be made of a special material, which can resist high temperature and can bear internal pressure.
CN213913152U discloses an SCR reactor that can withstand high temperature conditions; comprises a reactor shell and a bearing frame arranged outside the reactor shell; the bearing frame is fixedly arranged, a gap is reserved between the bearing frame and the reactor shell, and a heat insulation layer is arranged in the gap and clings to the outer wall of the reactor shell. The utility model discloses a can bear the influence that high temperature brought, have simple structure, preparation low cost, easily install and manufacturing cycle advantage such as short.
CN107748816A discloses a denitration reactor and a support integrated design method thereof, which is applied to the design analysis field of a desulfurization and denitration reactor tower, and comprises the following steps: designing a heat insulation layer; designing a scheme; designing a denitration reactor frame; designing a shell; designing a bracket; overall analysis and design. The denitration reactor and the support thereof are integrally designed, the actual working condition of the denitration reactor is better matched, the technical problems of long design period, low working efficiency, poor connection structure harmony and the like of the denitration reactor and the support thereof can be effectively solved, the pass rate and efficiency of design are effectively improved, the cost is saved, and good economic benefit and social benefit are achieved.
However, the existing support has the problems that the horizontal displacement of a reactor body on a reactor support in the national standard requirement cannot be allowed while the reactor is heated to expand, the influence of the internal pressure of the reactor cannot be resisted, the heat of the reactor body cannot be prevented from being transferred to a steel structure support at the lower part of the reactor, and the like, so that a combined limiting support of the SCR denitration reactor, which can be separated from the denitration reactor support and is economical, needs to be designed for small and medium-sized (less than 170 t/h) coal-fired boilers or industrial kilns, the defects of the prior art are overcome, and the requirements of actual production and life are met.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a spacing support of combination of SCR reactor the utility model discloses in, the spacing support of combination that provides is under the thermal energy condition of SCR reactor under the high temperature is considered comprehensively, through the concrete structure and the position setting of middle part support and column base support, common combination uses, reduce the hard dragging of reactor body, improve the safety and stability, and make up spacing support and make the displacement that allows about in the safety range, can prevent to produce pressure and damage the reactor body, guarantee its durability, moreover, the steam generator is simple in structure, the cost is lower, can extensively promote.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a spacing support of combination of SCR reactor, the spacing support of combination is including setting up respectively in the middle part support and four at least column base supports of SCR reactor bottom and bottom column base, the middle part support includes the perpendicular to the spacing plug of SCR reactor bottom the vertical direction of spacing plug have the symmetry set up in the spacing ear seat one at spacing plug both ends, every spacing ear seat one is keeping away from the equal parallel arrangement in direction of spacing plug has spacing ear seat two, every spacing ear seat two dorsad the equal perpendicular connection in direction of spacing ear seat one has limit baffle, every the column base support all including set gradually in the roof of SCR reactor bottom column base, hinder temperature board and bottom plate, the symmetry both ends of roof, temperature board and bottom plate are fixed simultaneously through the fastener, and other symmetry both ends are connected with the baffle.
The utility model discloses in, the combination limiting support who provides is under the thermal energy condition of SCR reactor under the high temperature of comprehensive consideration, through the concrete structure and the position setting of middle part support and column base support, uses jointly in combination, reduces the hard of reactor body and pulls, improves the safety and stability, and the displacement that the combination limiting support allowed in the safety range about making the permission, can prevent to produce pressure damage reactor body, guarantees its durability, simple structure, and the cost is lower, can extensively promote.
It should be noted that, the utility model provides a middle part support can restrict the SCR reactor at the left and right sides displacement of drawing direction, if the SCR reactor body takes place the thermal energy, spacing plug takes place at the displacement of horizontal direction, spacing ear seat and limit baffle can restrict the displacement volume of spacing plug, guarantee to remove in the safety range, and can restrict the reactor and warp about the drawing direction under the condition that there is pressure in inside, and make the not direct contact lower part denitration support of reactor body, the influence of reactor body high temperature can be neglected to the denitration support.
It should be noted that, the utility model provides a column base support can restrict the SCR reactor and displace in the drawing direction inside and outside, if SCR reactor body takes place the thermal energy, the displacement of roof emergence in the horizontal direction, the displacement volume of roof can be restricted to the buckle, guarantee to remove in the safety range, the temperature-resistant board that just can make roof and bottom plate take place the extremely low slip of coefficient of friction, because this column base support belongs to the concentrated power and acts on denitration steel support, so need the reinforcing plate to do local enhancement, increase the intensity of here denitration steel support roof beam.
As an optimized technical scheme of the utility model, spacing plug fixed connection spacing ear seat one.
As an optimized technical scheme of the utility model, spacing plug is at the perpendicular or be on a parallel with spacing ear seat two the direction is portable.
As a preferred embodiment of the present invention, the movable distance of the limit plug perpendicular to the direction of the second limit lug is 3 to 40mm, for example, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 14mm, 16mm, 20mm, 22mm, 24mm, 28mm, 30mm, 35mm, 39mm, 40mm, but not limited to the recited values, and other values not recited in the range of values are also applicable, and the movable distance of the limit plug parallel to the direction of the second limit lug is not more than 100mm, for example, 100mm, 90mm, 80mm, 70mm, 60mm, 50mm, 40mm, 30mm, 20mm, 10mm, 8mm, 6mm, 2mm, 1mm, but not limited to the recited values, and other values not recited in the range of values are also applicable.
As an optimized technical scheme of the utility model, two fixed connection of spacing ear seat limit baffle.
As an optimized technical scheme of the utility model, the size of roof, temperature-resistant board and bottom plate and the size phase-match of SCR reactor bottom.
As an optimized technical proposal of the utility model, the temperature resistance plate is a polytetrafluoroethylene plate.
As a preferred technical scheme of the utility model, the fastener is including being close to buckle, accessory plate one and accessory plate two that bottom plate thickness direction connected gradually.
As an optimal technical scheme, spacing ear seat one, spacing ear seat two, limit baffle and bottom plate all are connected to on the denitration support.
As an optimized technical scheme, the bottom of the denitration support that the bottom plate corresponds is provided with the reinforcing plate.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in, the combination limiting support who provides is under the thermal energy condition of SCR reactor under the high temperature of comprehensive consideration, through the concrete structure and the position setting of middle part support and column base support, make up the use jointly, lack one can to reduce the hard dragging of reactor body, improve the safety and stability, and make up limiting support and make the displacement that allows about the permission in the safety range, can prevent to produce pressure damage reactor body, guarantee its durability, moreover, the steam generator is simple in structure, the cost is lower, can extensively promote.
Drawings
Fig. 1 is a front view of a middle support of a combined limiting support of an SCR reactor according to an embodiment of the present invention;
fig. 2 is a sectional view of a middle support 1-1 of a combined limiting support of an SCR reactor according to an embodiment of the present invention;
fig. 3 is a front view of a column base support of a combined limiting support of an SCR reactor according to an embodiment of the present invention;
fig. 4 is a side view of a pedestal support of a combined position-limiting support of an SCR reactor according to an embodiment of the present invention;
fig. 5 is a top view of a pedestal support of a combined position limiting support of an SCR reactor according to an embodiment of the present invention;
wherein, 1-a limit plug; 2-a first limit lug seat; 3-limiting baffle plates; 4-limiting a second lug seat; 5-temperature resistance plate; 6-a reinforcing plate; 7-buckling; 8-a bottom plate; 9-a top plate; 10-auxiliary plate one; 11-auxiliary plate two; 12-baffle.
Detailed Description
It is to be understood that in the description of the present invention, the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
It should be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected" and "connected" in the description of the present invention are to be construed broadly, and may for example be fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In a specific embodiment, the utility model provides a SCR reactor's combination limit support, as shown in fig. 1 to 5, combination limit support is including setting up respectively in the middle part support and four at least column base supports of SCR reactor bottom and bottom column base, the middle part support includes the limit plug 1 of perpendicular to SCR reactor bottom, there is the symmetry to set up in the spacing ear seat one 2 at limit plug 1 both ends at the vertical direction of limit plug 1, every spacing ear seat one 2 is at the equal parallel arrangement of direction of keeping away from limit plug 1 has spacing ear seat two 4, every spacing ear seat two 4 all are connected with limit baffle 3 perpendicularly dorsad to the direction of spacing ear seat one 2, every column base support all including setting gradually in the roof 9 of SCR reactor bottom column base, hinder warm board 5 and bottom plate 8, roof 9, the symmetry both ends of hindering warm board 5 and bottom plate 8 are fixed through the fastener simultaneously, other symmetry both ends are connected with baffle 12.
The utility model discloses in, the combination limit support that provides is under the thermal energy condition of SCR reactor under the high temperature of comprehensive consideration, through the concrete structure and the position setting of middle part support and column base support, reduces the hard dragging of reactor body, improves the safety and stability, and makes the displacement that allows in the safety range about the permission, can prevent to produce pressure damage reactor body, guarantees its durability, simple structure, and the cost is lower, can extensively promote.
It should be noted that, the utility model provides a middle part support can restrict the SCR reactor displacement about the drawing direction, if SCR reactor body takes place thermal expansion, spacing plug 1 takes place the displacement at the horizontal direction, spacing ear seat and limit baffle 3 can restrict spacing plug 1's displacement volume, guarantee to remove in the safety range, and can restrict the reactor and warp under the drawing direction under the condition that has pressure in inside, and make the reactor body not direct contact lower part denitration support, the influence of denitration support reactor body high temperature can be neglected.
It should be noted that, the utility model provides a column base support can restrict the SCR reactor and displace in the drawing direction inside and outside, if SCR reactor body takes place the thermal energy, roof 9 takes place the displacement at the horizontal direction, buckle 7 can restrict the displacement volume of roof 9, guarantee to remove in the safety range, thermal-resistant 5 high temperature of board and can make roof 9 and bottom plate 8 take place the extremely low slip of coefficient of friction, because this column base support belongs to the concentrated power and acts on the denitration steel support, so need reinforcing plate 6 to do local enhancement, increase the intensity of here denitration steel support roof beam.
The limiting plug 1 is fixedly connected with the first limiting lug seat 2, the limiting plug 1 can move in the direction perpendicular to or parallel to the second limiting lug seat 4, the movable distance of the limiting plug 1 perpendicular to the second limiting lug seat 4 is 3-40 mm, for example, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 14mm, 16mm, 20mm, 22mm, 24mm, 28mm, 30mm, 35mm, 39mm and 40mm, but the values are not limited to the values listed, other non-listed values in the numerical value range are also applicable, the movable distance of the limiting plug 1 parallel to the second limiting lug seat 4 is less than or equal to 100mm, for example, 100mm, 90mm, 80mm, 70mm, 60mm, 50mm, 40mm, 30mm, 20mm, 10mm, 8mm, 6mm, 2mm and 1mm are also not limited to the values listed, and other non-listed values in the numerical value range are also applicable.
Two 4 fixed connection limit baffle 3 of spacing ear seat, roof 9, the size of hindering temperature board 5 and bottom plate 8 and the size phase-match of SCR reactor bottom, it is the polytetrafluoroethylene board to hinder temperature board 5, the fastener includes buckle 7 that 8 thickness directions of being close to the bottom plate connect gradually, accessory plate one 10 and accessory plate two 11, spacing ear seat one 2, spacing ear seat two 4, limit baffle 3 and bottom plate 8 all are connected to the denitration support on, the bottom of the denitration support that bottom plate 8 corresponds is provided with reinforcing plate 6.
The above description is only the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and it should be understood by those skilled in the art that any changes or substitutions that can be easily conceived by those skilled in the art are within the technical scope of the present invention, and all fall within the protection scope and the disclosure scope of the present invention.
Claims (10)
1. The combined limiting support of the SCR reactor is characterized by comprising a middle support arranged at the bottom of the SCR reactor and at least four column base supports arranged at column bases at the bottom of the SCR reactor, wherein the middle support comprises limiting plugs vertical to the bottom of the SCR reactor, first limiting lugs symmetrically arranged at two ends of each limiting plug are arranged in the vertical direction of each limiting plug, a second limiting lug is arranged in parallel in the direction away from each limiting plug, and a limiting baffle is vertically connected to each second limiting lug in the direction opposite to the first limiting lug;
every the column base support all including set gradually in roof, the board and the bottom plate of hindering warm of SCR reactor bottom column base, the roof is fixed simultaneously through the fastener in the symmetry both ends of hindering warm board and bottom plate, and other symmetry both ends are connected with the baffle.
2. The combined limit bracket of an SCR reactor as recited in claim 1, wherein the limit plug is fixedly connected with the first limit lug.
3. The combined limit bracket of an SCR reactor according to claim 1, wherein the limit plug is movable in a direction perpendicular or parallel to the second limit lug.
4. The combined limiting support of the SCR reactor according to claim 3, wherein the movable distance of the limiting plug in the direction perpendicular to the second limiting lug is 3-40 mm, and the movable distance of the limiting plug in the direction parallel to the second limiting lug is less than or equal to 100mm.
5. The combined limit support of the SCR reactor according to claim 1, wherein the second limit lug is fixedly connected with the limit baffle.
6. The SCR reactor composite positive stop support according to claim 1, wherein the dimensions of the top plate, the temperature barrier plate and the bottom plate are matched to the dimensions of the bottom of the SCR reactor.
7. The combined limit support of an SCR reactor according to claim 1, wherein the temperature-resistant plate is a teflon plate.
8. The combined limiting bracket of an SCR reactor according to claim 1, wherein the clamping piece comprises a buckle, a first auxiliary plate and a second auxiliary plate which are sequentially connected in the thickness direction of the bottom plate.
9. The combined limiting support of the SCR reactor according to claim 1, wherein the first limiting lug, the second limiting lug, the limiting baffle and the bottom plate are all connected to the denitration support.
10. The combined limiting support of an SCR reactor according to claim 9, wherein a reinforcing plate is arranged at the bottom of the denitration support corresponding to the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221601494.5U CN217583721U (en) | 2022-06-24 | 2022-06-24 | Combined limiting support of SCR reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221601494.5U CN217583721U (en) | 2022-06-24 | 2022-06-24 | Combined limiting support of SCR reactor |
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| Publication Number | Publication Date |
|---|---|
| CN217583721U true CN217583721U (en) | 2022-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221601494.5U Active CN217583721U (en) | 2022-06-24 | 2022-06-24 | Combined limiting support of SCR reactor |
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- 2022-06-24 CN CN202221601494.5U patent/CN217583721U/en active Active
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