CN207012807U - A kind of recyclable SCR reactors of catalyst - Google Patents
A kind of recyclable SCR reactors of catalyst Download PDFInfo
- Publication number
- CN207012807U CN207012807U CN201720654399.4U CN201720654399U CN207012807U CN 207012807 U CN207012807 U CN 207012807U CN 201720654399 U CN201720654399 U CN 201720654399U CN 207012807 U CN207012807 U CN 207012807U
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- Prior art keywords
- catalyst
- layer
- reactor body
- grills
- recyclable
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Abstract
The utility model provides a kind of recyclable SCR reactors of catalyst, reactor body lower end connects smoke-intake pipe, reactor body upper center is provided with pipe, smoke-intake pipe is provided with air-introduced machine, in reactor body grills are provided with smoke-intake pipe, zone of heating is sequentially provided with reactor body from top to bottom, one stage catalyzing oxidant layer, cushion and second catalyst layer, in reactor body semicircular indentations are respectively equipped with one stage catalyzing oxidant layer and second catalyst layer on outer wall, and the inside of the relative reactor body of semicircular indentations is provided with semi-circular insertion groove, one stage catalyzing oxidant layer and second catalyst layer include catalyst rack and enclosing, enclosing is fixedly connected with catalyst rack, enclosing is semicircle, and the height of enclosing is more than the height of semicircular indentations, catalyst rack matches with semi-circular insertion groove.The utility model both can guarantee that the progress of denitration operation, and and can realizes regeneration of the catalyst outside reactor, improves the recycling of catalyst.
Description
Technical field
The utility model belongs to flue gas denitrification equipment technical field, more particularly to the SCR reactions that a kind of catalyst is recyclable
Device.
Background technology
Catalysts selective reduction denitration (SCR) method is used for denitrating flue gas, with denitration efficiency is high, stability is strong, adapts to
The advantages of property is good, is now widely used for the control of fixed source pollution thing.The principle of this method is, using reducing agent (mainly
NH3), by the removal of nitrogen oxide in flue gas under catalyst action so that gas cleaning.
Catalyst is the core of SCR technology, but substantial amounts of dust is often there are in flue gas, in addition in system
Some solid chemical compounds caused by meeting, the particle of these solids are easily deposited in the surface of catalyst, even blocking catalyst
Porous channel, thus catalyst can be lost activity, reduce the effect of denitration.
In the prior art, those skilled in the art for it is above-mentioned the problem of there is provided special soot blower.But institute
The soot blower of setting is complicated, and cost is high, in-convenience in use, and the effect of ash disposal can not obtain favourable guarantee, urge
Activity can equally reduce agent after a long time use, further have influence on the effect of denitration.
It is those skilled in that art's skill urgently to be resolved hurrily therefore, because above-mentioned technological deficiency in the prior art be present
Art problem.
Utility model content
The purpose of this utility model is to provide a kind of catalyst recyclable SCR reactors, it is intended to solves background technology
In the problem of mentioning.
The utility model is achieved in that
A kind of recyclable SCR reactors of catalyst, including reactor body, the reactor body lower end are connected into cigarette
Pipe, the reactor body upper center are provided with pipe, and the smoke-intake pipe is provided with air-introduced machine, leaned in the reactor body
Grills are provided with nearly smoke-intake pipe, are sequentially provided with zone of heating, one stage catalyzing oxidant layer, buffering in the reactor body from top to bottom
Layer and second catalyst layer.
Preferably, it is respectively equipped with one stage catalyzing oxidant layer described in the reactor body and second catalyst layer on outer wall
Semicircular indentations, and the inside of the relative reactor body of the semicircular indentations is provided with semi-circular insertion groove.
Preferably, the one stage catalyzing oxidant layer and second catalyst layer include catalyst rack and enclosing, described to enclose
Gear is fixedly connected with catalyst rack, and the enclosing is semicircle, and the height of the enclosing is more than the semicircular indentations
Height, the catalyst rack matches with semi-circular insertion groove.
Preferably, the grills include internal layer grills and outer layer grills, the internal layer grills and outer layer grid
Frame end is separately fixed on the inwall of the reactor body, and the internal layer grills are located at the interior of the outer layer grills
Portion, and the through hole of the internal layer grills and outer layer grills is staggered setting.
Preferably, the zone of heating includes heating plate, and bar shaped passage, the heating plate are uniformly provided with the heating plate
Heater strip is inside uniformly provided with, the heater strip is connected with extraneous power supply.
Preferably, in addition to sealing shroud, the sealing shroud are made up of two semi-circular arc plates, the semi-circular arc plate it is straight
Footpath is identical with the overall diameter of the reactor body, and two described semi-circular arc plate one end are fixedly connected by hinge, the other end
Connecting plate is equipped with, the connecting plate is provided with screw, bolt is equipped with the screw.
Preferably, the height of the sealing shroud is more than the height between the one stage catalyzing oxidant layer and second catalyst layer.
Preferably, it is provided with rubber sealant in two semi-circular arc plates.
Preferably, the cushion is Double-level Reticulated, and the Double-level Reticulated is fixed on the inwall of the reactor body.
Preferably, the reactor body lower end is provided with adjustable support leg, and adjustable support leg includes outer tube and interior bar, described outer
Sleeve upper end is fixedly connected with the reactor body, and interior bar lower end connect base, the outer tube is interior to be provided with internal thread, institute
State interior bar and be externally provided with external screw thread, the internal thread matches with external screw thread.
The beneficial effects of the utility model are：
1st, be set to catalyst layer can be disengaged for the utility model so that catalyst can be changed, on the one hand
The more favourable progress that ensure that denitration operation, on the other hand can realize regeneration of the catalyst outside reactor, improve catalysis
The recycling of agent.
2nd, the utility model is provided with zone of heating in reactor body, reaction can be heated, improve reaction
Efficiency, ensure the abundant progress of reaction, increase the denitration process effect of flue gas.
3rd, the utility model is respectively provided with grills and cushion in reactor body, carrys out the flowing speed of reducing smoke
Degree, the further abundant progress for ensureing reaction.
Brief description of the drawings
Fig. 1 is sectional view of the present utility model；
Fig. 2 is outside drawing when one stage catalyzing oxidant layer and second catalyst layer are not inserted into the utility model；
Fig. 3 is the top view of one stage catalyzing oxidant layer and second catalyst layer in the utility model；
Fig. 4 is the top view of zone of heating in the utility model；
Fig. 5 is that the utility model uses the outside drawing after sealing shroud；
Fig. 6 is the top view of sealing shroud in the utility model；
In figure：1 is reactor body, and 2 be smoke-intake pipe, and 3 be pipe, and 4 be air-introduced machine, and 5 be zone of heating, and 51 be heating
Plate, 52 be bar shaped air vent, and 6 be one stage catalyzing oxidant layer, and 7 be cushion, and 8 be second catalyst layer, and 9 be semicircular indentations, 10
It is catalyst rack for semi-circular insertion groove, 11,12 be enclosing, and 13 be internal layer grills, and 14 be outer layer grills, and 15 be sealing
Set, 16 be semi-circular arc plate, and 17 be hinge, and 18 be connecting plate, and 19 be bolt, and 20 be adjustable support leg, and 201 be outer tube, and 202 are
Interior bar, 203 be base.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
Embodiment 1：
A kind of recyclable SCR reactors of catalyst as shown in Figure 1, including reactor body 1, the reactor body
1 lower end connects smoke-intake pipe 2, and the upper center of reactor body 1 is provided with pipe 3, and the smoke-intake pipe 2 is provided with air-introduced machine 4,
Grills are provided with smoke-intake pipe 2 in the reactor body 1, is sequentially provided with and adds from top to bottom in the reactor body 1
Thermosphere 5, one stage catalyzing oxidant layer 6, cushion 7 and second catalyst layer 8.In implementation process, pending flue gas is in air-introduced machine 4
Entered under effect from smoke-intake pipe 2 in reactor body 1, it is upward to then pass through grills, is urged successively by zone of heating 5, one-level
Agent layer 6, cushion 7 and second catalyst layer 8, clean gas flows out from pipe 3 after finally handling.
Further, as shown in Figures 2 and 3, one stage catalyzing oxidant layer 6 and two level catalysis described in the reactor body 1
It is respectively equipped with semicircular indentations 9 at oxidant layer 8 on outer wall, and the inside of the relative reactor body 1 of the semicircular indentations 9
Provided with semi-circular insertion groove 10.The one stage catalyzing oxidant layer 6 and second catalyst layer 8 include catalyst rack 11 and enclosing
12, the enclosing 12 is fixedly connected with catalyst rack 11, and the enclosing 12 is semicircle, the diameter of the enclosing 12 and institute
State that the overall diameter of reactor body 1 is identical, and the height of the enclosing 12 is more than the height of the semicircular indentations 9, it is described to urge
Agent rack 11 matches with semi-circular insertion groove 10.That is, during use, the catalyst rack 11 is
It is inserted into semi-circular insertion groove 10, and the enclosing 12 can just cover semicircular indentations 9 after insertion.
The operation principle and process of the present embodiment be：
When in use, catalyst is placed on catalyst rack 11, is then inserted into semi-circular insertion groove 10
It is interior, the outer wall at enclosing 12 and semicircular indentations 9 is bonded completely.
When needing the processing changed to catalyst, by extraneous instrument, enclosing 12 is departed from into semicircular indentations
9, and catalyst rack 11 is pulled out, then catalyst is operated.
It should be noted that temperature is higher in the process reactor body 1 of reaction, must terminate when reaction and abundant
After cooling, then above-mentioned disengaging operation is carried out, in order to avoid operating personnel are caused with unnecessary scald.
Embodiment 2：
As described in Example 1, further, the grills include internal layer grills 13 and outer layer grid to basic structure
Frame 14, internal layer grills 13 and outer layer grills 14 end is separately fixed on the inwall of the reactor body 1, described
Internal layer grills 13 are located at the inside of the outer layer grills 14, and the through hole of the internal layer grills 13 and outer layer grills 14
Be staggered setting.
Specifically, the internal layer grills 13 and outer layer grills 14 can be two sides band through hole or four sides band
Through hole.During use, flue gas first passes through internal layer grills 13, is then then passed through outer layer grills 14, enters anti-
Answer in device body 1.Double-layer grating frame set can further reducing smoke flowing speed, guarantee flue gas in reactor body
Sufficiently reacted in 1.
Embodiment 3：
Basic structure as described in Example 1, further, as shown in figure 4, the zone of heating 5 includes heating plate 51, institute
State and bar shaped passage 52 is uniformly provided with heating plate 51, heater strip (being not drawn into figure), institute are uniformly provided with the heating plate 51
Heater strip is stated with extraneous power supply to be connected.
Heater strip heats, and the flue gas of caused heat meeting and flowing carries out heat exchange, improves the temperature of flue gas, accelerates denitration
The progress of reaction.Bar shaped passage 52 is set in heating plate 51, on the one hand can ensure passing through for flue gas, on the other hand can also
Speed is passed through in control flue gas so that is sufficiently exchanged with heat.
Embodiment 4：
Basic structure as described in Example 1, further, as it can be seen in figures 5 and 6, also including sealing shroud 15, the sealing
Set 15 is made up of two semi-circular arc plates 16, the overall diameter phase of the diameter of the semi-circular arc plate 16 and the reactor body 1
Together, that is to say, that two semi-circular arc plates 16, which can be realized, is wrapped up reactor body 1.Two semi-circular arc plates 16
One end is fixedly connected by hinge 17, and the other end is equipped with connecting plate 18, and the connecting plate 18 is provided with screw, in the screw
It is equipped with bolt 19.During parcel, after being determined after position, it is fixed by bolt 19 and screw, due to independent
There is provided connecting plate 18, it is fixed conveniently, it is simple to operate.
Further, the height of the sealing shroud 15 is more than between the one stage catalyzing oxidant layer 6 and second catalyst layer 8
Height.In implementation process, position that sealing shroud 15 wraps up be exactly the one stage catalyzing oxidant layer 6 and second catalyst layer 8 with
And the part at middle part, ensure the sealing between the one stage catalyzing oxidant layer 6 and second catalyst layer 8 and reactor body 1.
Further, rubber sealant (being not drawn into figure) is provided with two semi-circular arc plates 16, further carried
High sealed.
The operation principle and process of the present embodiment be：Reactor is inserted into one stage catalyzing oxidant layer 6 and second catalyst layer 8
After in body 1, sealing shroud 15 is enclosed on the outer wall of reactor body 1, specific is exactly to be urged in one stage catalyzing oxidant layer 6 and two level
The position of agent layer 8, it is fixed by bolt 19 and screw.
Embodiment 5：
As described in Example 1, further, the cushion 7 is Double-level Reticulated to basic structure, and the Double-level Reticulated is fixed on
On the inwall of the reactor body 1.Flue gas rises through cushion 7 after the processing of one stage catalyzing oxidant layer 6, is then then passed through two
Level catalyst layer 8 is handled.Cushion 7 can slow down the flue gas after one stage catalyzing oxidant layer 6 comes out so that with second catalyst
Layer 8 is fully reacted, and ensures the treatment effect of flue gas.
Embodiment 6：
As described in Example 1, further, the lower end of reactor body 1 is provided with adjustable support leg 20 to basic structure, can
Leg 20 is adjusted to include outer tube 201 and interior bar 202, the upper end of outer tube 201 is fixedly connected with the reactor body 1, described
The lower end connect base 203 of interior bar 202, the outer tube 201 is interior to be provided with internal thread, and the interior bar 202 is externally provided with external screw thread, described
Internal thread matches with external screw thread.In implementation process, because pressure change occurs in flue gas in reactor body 1, occur
Vibration, so the stability of reactor body 1 is extremely important.Adjustable support leg 20 can increase the stability contacted with ground.
The operation principle and process of the present embodiment be：Rotate position of the interior bar 202 in outer tube 201, it is possible to achieve high
The regulation of degree, according to the actual needs, the base 203 and ground for making the lower end of interior bar 202 are in close contact, and ensure reactor body 1
Stability.
It is not new to this practicality although above-mentioned specific embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel would not require any inventive effort the various modifications that can be made or deformation still in protection of the present utility model
Within the scope of.
Claims (10)
- A kind of 1. recyclable SCR reactors of catalyst, it is characterised in that：Including reactor body, under the reactor body End connection smoke-intake pipe, the reactor body upper center are provided with pipe, and the smoke-intake pipe is provided with air-introduced machine, the reaction Grills are provided with smoke-intake pipe in device body, are sequentially provided with zone of heating from top to bottom in the reactor body, one-level is urged Agent layer, cushion and second catalyst layer.
- A kind of 2. recyclable SCR reactors of catalyst as claimed in claim 1, it is characterised in that：The reactor body Described in be respectively equipped with semicircular indentations, and the semicircular indentations phase on outer wall at one stage catalyzing oxidant layer and second catalyst layer To the inside of the reactor body be provided with semi-circular insertion groove.
- A kind of 3. recyclable SCR reactors of catalyst as claimed in claim 2, it is characterised in that：Described one stage catalyzing dose Layer and second catalyst layer include catalyst rack and enclosing, and the enclosing is fixedly connected with catalyst rack, described Enclosing is semicircle, and the height of the enclosing is more than the height of the semicircular indentations, the catalyst rack and semicircle Shape slot matches.
- A kind of 4. recyclable SCR reactors of catalyst as claimed in claim 3, it is characterised in that：The grills include Internal layer grills and outer layer grills, internal layer grills and outer layer the grills end are separately fixed at the reactor body Inwall on, the internal layer grills are located at the inside of the outer layer grills, and the internal layer grills and outer layer grills Through hole be staggered setting.
- A kind of 5. recyclable SCR reactors of catalyst as claimed in claim 3, it is characterised in that：The zone of heating includes Heating plate, be uniformly provided with bar shaped passage in the heating plate, be uniformly provided with heater strip in the heating plate, the heater strip with Extraneous power supply is connected.
- A kind of 6. recyclable SCR reactors of catalyst as claimed in claim 3, it is characterised in that：Also include sealing shroud, institute State sealing shroud to be made up of two semi-circular arc plates, the diameter of the semi-circular arc plate and the overall diameter phase of the reactor body Together, two described semi-circular arc plate one end are fixedly connected by hinge, and the other end is equipped with connecting plate, and the connecting plate is provided with Screw, bolt is equipped in the screw.
- A kind of 7. recyclable SCR reactors of catalyst as claimed in claim 6, it is characterised in that：The height of the sealing shroud Degree is more than the height between the one stage catalyzing oxidant layer and second catalyst layer.
- A kind of 8. recyclable SCR reactors of catalyst as claimed in claim 7, it is characterised in that：Two semicircles Rubber sealant is provided with arc plate.
- A kind of 9. recyclable SCR reactors of catalyst as claimed in claim 3, it is characterised in that：The cushion is double Layer net, the Double-level Reticulated are fixed on the inwall of the reactor body.
- A kind of 10. recyclable SCR reactors of catalyst as claimed in claim 3, it is characterised in that：The reactor body Lower end is provided with adjustable support leg, and adjustable support leg includes outer tube and interior bar, and the outer sleeve upper is fixedly connected with the reactor sheet Body, interior bar lower end connect base, the outer tube is interior to be provided with internal thread, and the interior bar is externally provided with external screw thread, the interior spiral shell Line matches with external screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720654399.4U CN207012807U (en) | 2017-06-07 | 2017-06-07 | A kind of recyclable SCR reactors of catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720654399.4U CN207012807U (en) | 2017-06-07 | 2017-06-07 | A kind of recyclable SCR reactors of catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207012807U true CN207012807U (en) | 2018-02-16 |
Family
ID=61485081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720654399.4U Expired - Fee Related CN207012807U (en) | 2017-06-07 | 2017-06-07 | A kind of recyclable SCR reactors of catalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207012807U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109012505A (en) * | 2018-07-26 | 2018-12-18 | 深圳大学 | Reacting furnace |
-
2017
- 2017-06-07 CN CN201720654399.4U patent/CN207012807U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109012505A (en) * | 2018-07-26 | 2018-12-18 | 深圳大学 | Reacting furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180216 Termination date: 20210607 |
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| CF01 | Termination of patent right due to non-payment of annual fee |