CN110339714A - A kind of flue gas denitration catalyst reactor - Google Patents
A kind of flue gas denitration catalyst reactor Download PDFInfo
- Publication number
- CN110339714A CN110339714A CN201910788541.8A CN201910788541A CN110339714A CN 110339714 A CN110339714 A CN 110339714A CN 201910788541 A CN201910788541 A CN 201910788541A CN 110339714 A CN110339714 A CN 110339714A
- Authority
- CN
- China
- Prior art keywords
- reaction member
- flue gas
- plate
- catalysis reaction
- catalyst
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8631—Processes characterised by a specific device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/88—Handling or mounting catalysts
- B01D53/885—Devices in general for catalytic purification of waste gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The invention discloses a kind of flue gas denitration catalyst reactors, are arranged in flue, and the catalysis reaction member in catalytic reactor is made of porous plate, catalyst；Catalyst is set in the accommodating cavity that porous plate surrounds；Connecting plate is detachably connected with catalysis reaction member；Upper junction plate, lower connecting plate in connecting plate are successively staggered from the inner wall of shell to center；At the top of each catalysis reaction member, it is equipped with dismountable cover plate.Flue gas in flue, enter the air inlet of housing bottom from flue gas denitration catalyst reactor, since catalysis reaction member is connected by upper junction plate, lower connecting plate, flue gas crosses catalyst layer according to interior design trend, by the catalysis reaction for being catalyzed reaction member, top outlet passageway corresponding to lower connecting plate is entered, is discharged by gas outlet.Such structure had not only alleviated the structural strength that catalyst itself needs to bear, but also has increased catalyst action duration, and then improve catalyst use efficiency.
Description
Technical field
The present invention relates to gas denitrifying technology fields, more particularly to a kind of flue gas denitration catalyst reactor.
Background technique
Denitrating flue gas refers to the NOx in removing flue gas, can be divided into wet denitration and Dry denitration by Processing tecchnics.Mainly
It include: sour absorption process, Alkali absorption method, selective catalytic reduction, non-selective catalytic reduction, absorption method, gas ions activation
Method etc..Domestic and international some scientific research personnel also developed with microorganism the method for handling NOx exhaust gas.But there is industrial value,
With being most widely selective catalytic reduction (SCR).
Existing denitration catalyst reaction is based on honeycomb type (plate or bulk) catalyst, and catalyst itself needs to hold
By certain structural strength.These non-key points of structural strength are allowed to become the index of catalyst performance.Manufacturing defect easily occurs, it is whole
Activity is low, and required temperature is high, and performance decline is fast.Also, fixed bed reactors are during operation, and temperature requirements are high, it is meant that
The activity of high energy consumption, catalyst is gradually reduced, it is necessary to reaction temperature is further increased, when reactor outlet NOx can not be up to standard
When discharge, it is necessary to more catalyst changeout.The cycle of operation of general SCR device at least requires 3-4, otherwise will affect master device
Operating.General SCR device denitrification rate demand is at least 60~90% or more, and when more catalyst changeout, the activity of catalyst is extremely
It is few that there are also 60% or so.It can be seen that it is too low to the utilization rate of catalyst using fixed bed SCR reactor using low temperature high activity,
Therefore, it is necessary to improve the utilization efficiency of catalyst.
Summary of the invention
Goal of the invention: the purpose of the present invention is to solve deficiencies in the prior art, provide a kind of flue gas denitration catalyst
Reactor.
Technical solution: a kind of flue gas denitration catalyst reactor of the present invention is arranged in flue, catalytic reactor includes shell
Body and the intracorporal multiple groups of shell are catalyzed reaction member；
It is catalyzed reaction member, is made of porous plate, catalyst；Catalyst is set in the accommodating cavity that porous plate surrounds；
Connecting plate, for connecting adjacent catalysis reaction member, connecting plate is to be detachably connected with catalysis reaction member；
Connecting plate includes upper junction plate, lower connecting plate；Upper junction plate, lower connecting plate are successively staggeredly set from the inner wall of shell to center
It sets；
At the top of each catalysis reaction member, it is equipped with dismountable cover plate.
A further improvement of the present invention is that porous plate includes porous section and imperforate section, accommodating cavity top is corresponding porous
Plate is imperforate section.
A further improvement of the present invention is that the catalysis reaction member in catalytic reactor is vertical shape arrangement.Wherein,
Being catalyzed reaction member can be tubular or en plaque.
A further improvement of the present invention is that the catalysis reaction member in catalytic reactor is people's shape by multiple groups section
Catalysis reaction member is formed by connecting.Wherein, catalysis reaction member is en plaque or hollow circular cone shape.
Multiple dividing plates or decompression gear are equipped with a further improvement of the present invention is that being catalyzed in the accommodating cavity of reaction member
Plate.Wherein, dividing plate is honeycomb partition or microporosity separator, and when dividing plate is honeycomb partition, honeycomb diameter is less than
The particle diameter size of beaded catalyst.
A further improvement of the present invention is that being equipped with baffle plate between adjacent catalysis reaction member.Wherein, baffle plate can
It is stepped to be staggered.
A further improvement of the present invention is that settable multiple catalytic reactors in each flue.
Compared with prior art, a kind of flue gas denitration catalyst reactor provided by the invention, at least realizing following has
Beneficial effect:
(1) flue gas denitration catalyst reactor of the invention, it is raw convenient for high-volume convenient for extension since reactor is module design
It produces.In flue gas denitration catalyst inside reactor, multiple catalysis reaction members with dividing plate or decompressing baffle plate, flue gas gas are set
Stream is entered by catalyst converter reactor bottom end, is crossed catalyst layer according to actual inside trends of design, is flowed out after confluence from the other end,
Such structure had both alleviated the structural strength that catalyst itself needs to bear, and air-flow is uniform, and when increasing catalyst action
It is long, and then catalyst use efficiency is improved, flue gas can be made to receive catalyst layer and be uniformly adequately catalyzed.
(2) orifice plate or net of high opening rate, it can be ensured that lower resistance and long-life.
(3) dismountable cover plate that the present invention uses, facilitates spent catalyst to pour out, and repeats benefit after reloading raw catelyst
With.
(4) flue gas denitration catalyst reactor of the invention, structure design ensure that it, with infinite expanding ability, can pass through
It replicates expanding element and extends reactor.
(5) flue gas denitration catalyst reactor of the invention, flue gas enter layer setting baffle plate, contact flue gas with catalyst
It reacts more abundant.
(6) the settable dividing plate of catalyst layer or decompressing baffle plate can reduce the compression of bottom catalyst, extend and use the longevity
Life.
(7) flue gas denitration catalyst reactor of the invention, catalyst layer can contain a plurality of types of beaded catalysts, particle
Catalyst can exist to sink to a certain degree under extraneous vibration, and the imperforate section of porous plate is set to top, form cigarette after avoiding
Gas air flow shortcircuit.
Certainly, not specific needs are implemented any of the products of the present invention while reaching all the above technical effect.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is flue gas denitration catalyst reactor general structure schematic diagram of the present invention；
Fig. 2 is flue gas denitration catalyst structure of reactor enlarged drawing of the present invention；
Fig. 3 is that 1 extension of the present invention is catalyzed reaction member schematic diagram；
Fig. 4 is that n extension of the present invention is catalyzed reaction member schematic diagram；
Fig. 5 is the structure of the vertical shape arrangement of catalysis reaction member in catalytic reactor of the present invention；
Fig. 6 is the top view of cylindrical catalytic reaction member in embodiment 1；
Fig. 7 is the top view that en plaque is catalyzed reaction member in embodiment 2；
Fig. 8 is the catalysis reaction member structural schematic diagram of people's shape；
Fig. 9 is the top view that en plaque is catalyzed reaction member in embodiment 3；
Figure 10 is the top view that circular cone shape is catalyzed reaction member in embodiment 4；
Figure 11 is the configuration 1-1 structural schematic diagram of embodiment 5；
Figure 12 is the configuration 1-2 structural schematic diagram of embodiment 5；
Figure 13 is the configuration 1-3 structural schematic diagram of embodiment 5；
Figure 14 is the configuration 2-1 structural schematic diagram of embodiment 6；
Figure 15 is the configuration 2- structural schematic diagram of embodiment 6；
Figure 16 is the structural schematic diagram of folded plate；
Wherein, 1- shell；2- is catalyzed reaction member；3- connecting plate；4- dismountable cover plate；5- catalyst layer；6- flue gas layer；7- is more
Orifice plate.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
This case discloses a kind of flue gas denitration catalyst reactor, as shown in Figure 1, 2: flue gas denitration catalyst reactor is installed
In flue, multiple flue gas denitration catalyst reactors can be set in flue, and multiple flue gas denitration catalyst reactors can be in flue
In be decorated in array.
Wherein, catalytic reactor includes the multiple groups catalysis reaction member 2 in shell 1 and shell 1；1 bottom of shell is equipped with
Enter mouth, top is equipped with gas outlet；It is catalyzed reaction member 2, is made of porous plate 7, catalyst；Catalyst is set to porous plate 7
In the accommodating cavity surrounded, a plurality of types of beaded catalysts can be contained in accommodating cavity, form catalyst layer 5.Above-mentioned porous plate 7 is
Porous plate 7 can also be replaced with the net of high opening rate by the porous plate 7 of high opening rate, i.e. porous plate includes functionally similar net
Same protected, which ensure that the flow velocity and flow of flue gas, it is ensured that lower resistance and long-life.
Each 2 top of catalysis reaction member, is equipped with dismountable cover plate 4.The setting of dismountable cover plate 4 is urged convenient for failure
Agent is poured out, and is reused after reloading raw catelyst.
Connecting plate 3, for connecting adjacent catalysis reaction member 2, connecting plate 3 is detachably to connect with catalysis reaction member 2
It connects；Connecting plate 3 includes upper junction plate, lower connecting plate；Upper junction plate, lower connecting plate successively interlock from the inner wall of shell 1 to center
Setting.Above-mentioned connecting plate 3 realizes adjacent catalysis reaction member 2, and as shown in Figure 3,4, which has infinite expanding energy
Power can extend reactor by duplication expanding element, can determine the quantity of catalysis reaction member 2 as needed.
Based on the present embodiment, flue gas in flue enters the air inlet of 1 bottom of shell from flue gas denitration catalyst reactor,
Since catalysis reaction member 2 is connected by upper junction plate, lower connecting plate, flue gas can only be under corresponding described in upper junction plate
Square inlet channel enters flue gas layer 6, crosses catalyst layer 5 according to interior design trend, anti-by the catalysis for being catalyzed reaction member 2
It answers, enters top outlet passageway corresponding to lower connecting plate, finally converge in the headspace in shell 1, arranged by gas outlet
Out.Such structure had not only alleviated the structural strength that catalyst itself needs to bear, but also has increased catalyst action duration, in turn
Improve catalyst use efficiency.
Flue gas denitration catalyst structure of reactor of the invention, beaded catalyst consider structural strength, morphoplasm without excessive
The problems such as amount, makes development and production have more specific aim, promotes development efficiency, is easier to produce low temperature high activity catalyst.
As a preferred embodiment of the present invention, porous plate 7 includes porous section and imperforate section, is corresponded at the top of accommodating cavity
Porous plate 77 be imperforate section.In the present embodiment, since beaded catalyst can exist to sink to a certain degree in extraneous vibration, more
Imperforate section is set at the top of orifice plate 7, after avoiding beaded catalyst from sinking, flue gas is directly flowed out of the space on catalyst top orifice plate
Out, cause shape flue gas stream short-circuit.
As a preferred embodiment of the present invention, the catalysis reaction member 2 in catalytic reactor is vertical shape cloth
It sets.In the present embodiment, catalysis reaction member 2 is arranged vertically, ensure that flue gas receives catalysis oxidation layer and is uniformly adequately catalyzed
While, it is easy for assemble or unload, catalytic reactor is extended convenient for duplication expanding element.Further, catalysis reaction member 2 is cylinder
Shape or en plaque.In the present embodiment, catalysis reaction member 2 designs a variety of configurations, has the advantages characteristic for being applicable in a variety of occasions, has
There are very high practicability and economic benefit.
As a preferred embodiment of the present invention, the catalysis reaction member 2 in catalytic reactor is by multiple groups section
The catalysis reaction member 2 of herringbone shape is formed by connecting.In the present embodiment, reaction member 2 will be not catalyzed according to conventional vertical cloth
It sets, is arranged according to herringbone group, compared with vertical arrangement, further increase the response area of catalysis oxidation.Further, make
For a preferred embodiment of the present invention, being catalyzed reaction member 2 is en plaque or hollow circular cone shape, is catalyzed reaction member
The 2 a variety of configurations of design, have the advantages characteristic for being applicable in a variety of occasions, have very high practicability and economic benefit.
As a preferred embodiment of the present invention, it is catalyzed in the accommodating cavity of reaction member 2 and is equipped with multiple dividing plates
Or decompressing baffle plate, wherein pressure reductor is imperforate plate or microwell plate.In the present embodiment, multiple dividing plates or decompressing baffle plate are set
It sets, can reduce the compression of bottom catalyst, alleviate the structural strength that catalyst itself needs to bear.Wherein, dividing plate is bee
Nest shape partition or microporosity separator, when dividing plate is honeycomb partition, honeycomb diameter is less than the particle diameter of beaded catalyst
Size.
As a preferred embodiment of the present invention, baffle plate is equipped between adjacent catalysis reaction member 2.This implementation
In example, baffle plate can keep flue gas and catalyst haptoreaction more abundant in the stepped arrangement being staggered.Baffle plate with urge
Change and is fixed between reaction member 2 by dismountable connector.Baffle plate be it is multiple conventional, can be by baffle plate end
Vertical section, by bolt and catalysis reaction member 2 be attached.Baffle plate can be arranged in inclined plate shape, or horizontal
Shape.In addition to the technical solution that the present embodiment is recorded, other conventional baffle plates are also protected by the present invention.
Flue gas denitration catalyst reactor of the present invention is mounted in flue, can according to the aligning method in such as Figure 11-15 into
Row arrangement.
Installation method of the invention: referring to Fig. 1, flue gas denitration catalyst reactor be mounted in flue, single or multiple
Side by side；It is fixed using the ring flange of 20 bottom edge of catalytic reactor and tip edge, by adjacent flue gas denitration catalyst
Gap between reactor is sealed, and flue gas is avoided to distribute without flue gas denitration catalyst reactor.Then by particulate catalytic
Agent is fitted into the accommodating cavity of catalysis reaction member 2, then dismountable cover plate 4 is covered tightly.At this point, flue gas stream is by catalytic reactor bottom
End enters, and crosses catalyst layer 5 according to interior design trend, flows out after finally converging from the other end.
The specific embodiment being listed below:
Embodiment 1,
Such as Fig. 5,6, the catalysis reaction member 2 in catalytic reactor is vertical shape arrangement, and catalysis reaction member 2 is tubular, finally
The shell 1 of the catalytic reactor of composition is also cylindrical shape.
In this implementation, the catalysis reaction member 2 of adjacent tubular is connected by upper junction plate, lower connecting plate, upper connection
Plate, lower connecting plate are successively staggered from the inner wall of shell 1 to center, and expanding element extends reactor according to the needs of use, really
The quantity of fixed corresponding catalysis reaction member 2.Flue gas in flue enters 1 bottom of shell from flue gas denitration catalyst reactor first
The air inlet in portion then enters from corresponding lower section inlet channel described in upper junction plate, crosses catalysis according to interior design trend
Oxidant layer 5, the catalysis by being catalyzed reaction member 2 are reacted, and top outlet passageway corresponding to lower connecting plate is entered, final to converge
Headspace in shell 1, is discharged by gas outlet.Be catalyzed reaction member 2 porous plate 7 be high opening rate porous plate 7 or
The net of high opening rate guarantees the flow velocity and flow of flue gas.
In the present embodiment, at each 2 top of catalysis reaction member, it is equipped with dismountable cover plate 4, dismountable cover plate 4 passes through
Bolt is connected with the edge at 1 top of shell.The setting of dismountable cover plate 4, is poured out convenient for spent catalyst, is reloaded and is newly urged
It is reused after agent.Since beaded catalyst can exist to sink to a certain degree in extraneous vibration, nothing is set at the top of porous plate 7
Hole section, after avoiding beaded catalyst from sinking, flue gas is flowed directly out out of the space on catalyst top orifice plate, causes shape flue gas gas
Flow short-circuit.
In order to which the present embodiment is explained further, it should be noted that be equipped with multiple points in the accommodating cavity of catalysis reaction member 2
Layer partition or decompressing baffle plate.Detachable baffle plate is additionally provided between adjacent catalysis reaction member 2.
Embodiment 2,
Such as Fig. 5,7, the catalysis reaction member 2 in catalytic reactor is vertical shape arrangement, and catalysis reaction member 2 is en plaque, most
1 rectangular-shape of shell of the catalytic reactor constituted eventually.
In this implementation, the catalysis reaction member 2 of adjacent tubular is connected by upper junction plate, lower connecting plate, upper connection
Plate, lower connecting plate are successively staggered from the inner wall of shell 1 to center, and expanding element extends reactor according to the needs of use, really
The quantity of fixed corresponding catalysis reaction member 2.Flue gas in flue enters 1 bottom of shell from flue gas denitration catalyst reactor first
The air inlet in portion then enters from corresponding lower section inlet channel described in upper junction plate, crosses catalysis according to interior design trend
Oxidant layer 5, the catalysis by being catalyzed reaction member 2 are reacted, and top outlet passageway corresponding to lower connecting plate is entered, final to converge
Headspace in shell 1, is discharged by gas outlet.Be catalyzed reaction member 2 porous plate 7 be high opening rate porous plate 7 or
The net of high opening rate guarantees the flow velocity and flow of flue gas.
In the present embodiment, at each 2 top of catalysis reaction member, it is equipped with dismountable cover plate 4, dismountable cover plate 4 passes through
Bolt is connected with the edge at 1 top of shell.The setting of dismountable cover plate 4, is poured out convenient for spent catalyst, is reloaded and is newly urged
It is reused after agent.Since beaded catalyst can exist to sink to a certain degree in extraneous vibration, nothing is set at the top of porous plate 7
Hole section, after avoiding beaded catalyst from sinking, flue gas is flowed directly out out of the space on catalyst top orifice plate, causes shape flue gas gas
Flow short-circuit.
In order to which the present embodiment is explained further, it should be noted that be equipped with multiple points in the accommodating cavity of catalysis reaction member 2
Layer partition or decompressing baffle plate.Detachable baffle plate is additionally provided between adjacent catalysis reaction member 2.
Embodiment 3,
Such as Fig. 8,9, the catalysis reaction member 2 in catalytic reactor is connected by the catalysis reaction member 2 that multiple groups section is people's shape
It forms, each catalysis reaction member 2 is en plaque, 1 rectangular-shape of shell of the catalytic reactor finally constituted.
In the present embodiment, catalysis reaction member 2 is arranged in inclined plate shape, and the catalysis in the shell 1 of catalytic reactor reacts single
Member 2, from outside to inside, the top for being followed successively by bottom end and be connected with 1 inner wall of shell for being catalyzed reaction member 2, be catalyzed reaction member 2 are connected
The bottom for connecing, being catalyzed reaction member 2 is connected.
In this implementation, the catalysis reaction member 2 of adjacent tubular is connected by upper junction plate, lower connecting plate, upper connection
Plate, lower connecting plate are successively staggered from the inner wall of shell 1 to center, and expanding element extends reactor according to the needs of use, really
The quantity of fixed corresponding catalysis reaction member 2.Flue gas in flue enters 1 bottom of shell from flue gas denitration catalyst reactor first
The air inlet in portion then enters from corresponding lower section inlet channel described in upper junction plate, crosses catalysis according to interior design trend
Oxidant layer 5, the catalysis by being catalyzed reaction member 2 are reacted, and top outlet passageway corresponding to lower connecting plate is entered, final to converge
Headspace in shell 1, is discharged by gas outlet.Be catalyzed reaction member 2 porous plate 7 be high opening rate porous plate 7 or
The net of high opening rate guarantees the flow velocity and flow of flue gas.Catalysis reaction member 2 by this present embodiment, in catalytic reactor
It is people's shape by multiple groups section, therefore, compared with the catalysis reaction member 2 being vertically arranged, the length of upper junction plate, lower connecting plate
It is shorter, and the contact area of flue gas and catalysis reaction member 2 then increased.
In order to which the present embodiment is explained further, it should be noted that be equipped with multiple points in the accommodating cavity of catalysis reaction member 2
Layer partition or decompressing baffle plate.Detachable baffle plate is additionally provided between adjacent catalysis reaction member 2.
Embodiment 4,
Such as Fig. 8,10, the catalysis reaction member 2 in catalytic reactor is connected by the catalysis reaction member 2 that multiple groups section is people's shape
It forms, each catalysis reaction member 2 is not en plaque, and each catalysis reaction member 2 is circular cone shape, and what is finally constituted urges
The shell 1 for changing reactor is cylindrical shape.
In the present embodiment, catalysis reaction member 2 in the shell 1 of catalytic reactor, from outside to inside, the catalysis of the first outer ring are anti-
The upper end diameter of unit 2 is answered to be less than lower end diameter, the upper end diameter that the second inner ring is catalyzed reaction member 2 is greater than lower end diameter, the
The upper end diameter that three inner rings are catalyzed reaction member 2 is less than lower end diameter, and so on.In the present embodiment, the shell of catalytic reactor
Catalysis reaction member 2 in body 1, from outside to inside, the first outer ring is catalyzed the top diameter of reaction member 2 and the second inner ring is catalyzed instead
The diameter at 2 top of unit is answered to match, the second inner ring is catalyzed the base diameter of reaction member 2 and third inner ring is catalyzed reaction member
2 base diameter with match, third inner ring catalysis reaction member 2 top diameter and the 4th inner ring be catalyzed reaction member 2 is
Top diameter matches, so and so on.
In this implementation, the catalysis reaction member 2 of adjacent tubular is connected by upper junction plate, lower connecting plate, upper connection
Plate, lower connecting plate are successively staggered from the inner wall of shell 1 to center, and expanding element extends reactor according to the needs of use, really
The quantity of fixed corresponding catalysis reaction member 2.Flue gas in flue enters 1 bottom of shell from flue gas denitration catalyst reactor first
The air inlet in portion then enters from corresponding lower section inlet channel described in upper junction plate, crosses catalysis according to interior design trend
Oxidant layer 5, the catalysis by being catalyzed reaction member 2 are reacted, and top outlet passageway corresponding to lower connecting plate is entered, final to converge
Headspace in shell 1, is discharged by gas outlet.Be catalyzed reaction member 2 porous plate 7 be high opening rate porous plate 7 or
The net of high opening rate guarantees the flow velocity and flow of flue gas.Catalysis reaction member 2 by this present embodiment, in catalytic reactor
It is people's shape by multiple groups section, therefore, compared with the catalysis reaction member 2 being vertically arranged, the length of upper junction plate, lower connecting plate
It is shorter, and the contact area of flue gas and catalysis reaction member 2 then increased.
Embodiment 5,
On the basis of embodiment 1 and embodiment 4, when the shell 1 of the catalytic reactor in the present embodiment is cylindric, catalysis
Reactor can be any one during rectangular array formula arranges, is staggered, annular array arranges.When catalytic reactor is normal
When the rectangular array formula arrangement of the n*n of rule, as shown in figure 15.When catalytic reactor be n*n it is staggered when, such as Figure 15 institute
Show, so that the beaded catalyst arranged above and below is in " product " font or upside-down triangle shape fallen.When catalytic reactor is annular array
When arrangement, as shown in figure 15, catalytic reactor is concentric ring type arrangement mode.
Embodiment 6,
On the basis of embodiment 2 and embodiment 3, when the shell 1 of the catalytic reactor in the present embodiment is rectangular-shape, urge
Changing reactor can arrange for rectangular array formula, is staggered.As the rectangular array formula row that catalytic reactor is conventional n*n
When column, as shown in figure 15.When catalytic reactor be n*n it is staggered when, as shown in figure 15.
Through the foregoing embodiment it is found that a kind of flue gas denitration catalyst reactor provided by the invention, at least realizes as follows
The utility model has the advantages that
(1) flue gas denitration catalyst reactor of the invention, it is raw convenient for high-volume convenient for extension since reactor is module design
It produces.In flue gas denitration catalyst inside reactor, multiple catalysis reaction members 2 with dividing plate or decompressing baffle plate, flue gas gas are set
Stream is entered by catalyst converter reactor bottom end, catalyst layer 5 is crossed according to actual inside trends of design, from other end stream after confluence
Out, such structure had both alleviated the structural strength that catalyst itself needs to bear, and air-flow is uniform, and increases catalyst action
Duration, and then catalyst use efficiency is improved, flue gas can be made to receive the uniformly adequately catalysis of catalyst layer 5.
(2) orifice plate or net of high opening rate, it can be ensured that lower resistance and long-life.
(3) dismountable cover plate 4 that the present invention uses, facilitates spent catalyst to pour out, and repeats after reloading raw catelyst
It utilizes.
(4) flue gas denitration catalyst reactor of the invention, structure design ensure that it, with infinite expanding ability, can pass through
It replicates expanding element and extends reactor.
(5) flue gas denitration catalyst reactor of the invention, flue gas enter layer setting baffle plate, contact flue gas with catalyst
It reacts more abundant.
(6) settable dividing plate or decompressing baffle plate in catalyst layer 5 can reduce the compression of bottom catalyst, extend and use
Service life.
(7) flue gas denitration catalyst reactor of the invention, catalyst layer 5 can contain a plurality of types of beaded catalysts,
Grain catalyst can exist to sink to a certain degree under extraneous vibration, and the imperforate section of porous plate 7 is set to top, be formed after avoiding
Flue gas stream short circuit.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (9)
1. a kind of flue gas denitration catalyst reactor is arranged in flue, which is characterized in that the catalytic reactor includes shell
(1) multiple groups and in the shell (1) are catalyzed reaction member (2)；
The catalysis reaction member (2), is made of porous plate (7), catalyst；The catalyst is set to the porous plate (7)
In the accommodating cavity surrounded；
Connecting plate (3), for connecting the adjacent catalysis reaction member (2), the connecting plate (3) reacts single with the catalysis
First (2) are to be detachably connected；
The connecting plate (3) includes upper junction plate, lower connecting plate；The upper junction plate, lower connecting plate are interior from the shell (1)
Wall is successively staggered to center；
At the top of each catalysis reaction member (2), it is equipped with dismountable cover plate (4).
2. a kind of flue gas denitration catalyst reactor according to claim 1, which is characterized in that
The porous plate (7) includes porous section and imperforate section, and the corresponding porous plate (7) is non-porous at the top of the accommodating cavity
Section.
3. a kind of flue gas denitration catalyst reactor according to claim 1, which is characterized in that
The catalysis reaction member (2) in the catalytic reactor is vertical shape arrangement.
4. a kind of flue gas denitration catalyst reactor according to claim 3, which is characterized in that
The catalysis reaction member (2) is tubular or en plaque.
5. a kind of flue gas denitration catalyst reactor according to claim 1, which is characterized in that
The catalysis reaction member (2) in the catalytic reactor is the catalysis reaction member (2) of people's shape by multiple groups section
It is formed by connecting.
6. a kind of flue gas denitration catalyst reactor according to claim 5, which is characterized in that
The catalysis reaction member (2) is en plaque or hollow circular cone shape.
7. a kind of flue gas denitration catalyst reactor according to claim 1, which is characterized in that
Multiple dividing plates or decompressing baffle plate are equipped in the accommodating cavity of catalysis reaction member (2).
8. a kind of flue gas denitration catalyst reactor according to claim 1, which is characterized in that
Baffle plate is equipped between the adjacent catalysis reaction member (2).
9. a kind of flue gas denitration catalyst reactor according to claim 1, which is characterized in that
Settable multiple catalytic reactors in each flue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910788541.8A CN110339714A (en) | 2019-08-26 | 2019-08-26 | A kind of flue gas denitration catalyst reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910788541.8A CN110339714A (en) | 2019-08-26 | 2019-08-26 | A kind of flue gas denitration catalyst reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110339714A true CN110339714A (en) | 2019-10-18 |
Family
ID=68181159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910788541.8A Pending CN110339714A (en) | 2019-08-26 | 2019-08-26 | A kind of flue gas denitration catalyst reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110339714A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2883490A1 (en) * | 2005-03-22 | 2006-09-29 | Syngas Entpr Unipersonnelle A | Gas treatment unit, for catalytic treatment oxygen of e.g. volatile organic compounds, comprises placing inside enclosure provided with fluid admission and exhaust collectors, heating device and exchanger for heat charged out of catalyst |
| CN204307618U (en) * | 2014-11-17 | 2015-05-06 | 久泰能源科技有限公司 | A kind of Catalyst packing device |
| CN105339073A (en) * | 2013-04-15 | 2016-02-17 | 艾比登弗劳恩瑟勒陶瓷制造厂有限公司 | Catalyst module with catalyst elements |
| CN105536518A (en) * | 2015-12-17 | 2016-05-04 | 山东大学 | Transmissive loadable catalyst module |
| CN106268315A (en) * | 2015-05-19 | 2017-01-04 | 上海泰欣环境工程股份有限公司 | SCR tilling beaded catalyst module |
| CN106943874A (en) * | 2015-10-30 | 2017-07-14 | 株式会社科特拉 | Waste gas purification apparatus |
| CN206688512U (en) * | 2017-02-13 | 2017-12-01 | 北京环境工程技术有限公司 | A kind of gas cleaning module for loaded particles catalyst or adsorbent |
| CN208627021U (en) * | 2018-06-20 | 2019-03-22 | 山东爱亿普环保科技股份有限公司 | The big flux denitration catalyst device of folded form lower resistance |
| CN110052162A (en) * | 2019-05-15 | 2019-07-26 | 北京国电龙源环保工程有限公司 | Denitrating catalyst system and its method of denitration in SCR denitration reaction device |
-
2019
- 2019-08-26 CN CN201910788541.8A patent/CN110339714A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2883490A1 (en) * | 2005-03-22 | 2006-09-29 | Syngas Entpr Unipersonnelle A | Gas treatment unit, for catalytic treatment oxygen of e.g. volatile organic compounds, comprises placing inside enclosure provided with fluid admission and exhaust collectors, heating device and exchanger for heat charged out of catalyst |
| CN105339073A (en) * | 2013-04-15 | 2016-02-17 | 艾比登弗劳恩瑟勒陶瓷制造厂有限公司 | Catalyst module with catalyst elements |
| CN204307618U (en) * | 2014-11-17 | 2015-05-06 | 久泰能源科技有限公司 | A kind of Catalyst packing device |
| CN106268315A (en) * | 2015-05-19 | 2017-01-04 | 上海泰欣环境工程股份有限公司 | SCR tilling beaded catalyst module |
| CN106943874A (en) * | 2015-10-30 | 2017-07-14 | 株式会社科特拉 | Waste gas purification apparatus |
| CN105536518A (en) * | 2015-12-17 | 2016-05-04 | 山东大学 | Transmissive loadable catalyst module |
| CN206688512U (en) * | 2017-02-13 | 2017-12-01 | 北京环境工程技术有限公司 | A kind of gas cleaning module for loaded particles catalyst or adsorbent |
| CN208627021U (en) * | 2018-06-20 | 2019-03-22 | 山东爱亿普环保科技股份有限公司 | The big flux denitration catalyst device of folded form lower resistance |
| CN110052162A (en) * | 2019-05-15 | 2019-07-26 | 北京国电龙源环保工程有限公司 | Denitrating catalyst system and its method of denitration in SCR denitration reaction device |
Non-Patent Citations (1)
| Title |
|---|
| 吴忠标: "《实用环境工程手册 大气污染控制工程》", 30 September 2001, 化学工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MY130281A (en) | Catalytic reactor | |
| US3730691A (en) | Multiple bed catalytic converter | |
| CN206035600U (en) | Removable formula three way catalyst converter | |
| CN110339714A (en) | A kind of flue gas denitration catalyst reactor | |
| JP3283958B2 (en) | Reactor and method for producing the same | |
| CN207941489U (en) | A kind of gas distributor | |
| CN214345400U (en) | Activated carbon denitration tower | |
| CN205965795U (en) | Many beds hang down resistance catalytic converter | |
| CN208702497U (en) | A kind of automobile catalytic device and automobile | |
| CN105765187A (en) | Apparatus for purifying the emissions of internal combustion engine | |
| CN210317449U (en) | Tail gas aftertreatment device | |
| CN210674755U (en) | Tail gas absorption tower suitable for waste gas environment-friendly treatment of synthesis gas-to-ethylene glycol shutdown process | |
| CN2430212Y (en) | Purifying reactor for purifying variable reaction raw material | |
| CN110496531A (en) | A kind of low resistance energy-saving catalyst for denitrating flue gas module | |
| CN205895382U (en) | Adopt automotive exhaust purification device of catalysis ceramic pipe | |
| CN215539811U (en) | Gas uniform distribution conversion system for flue gas acid making | |
| CN215428161U (en) | High-efficient SOx/NOx control integration tower | |
| CN218962180U (en) | Dehydrogenation and catalytic combustion heat supply integrated reactor | |
| CN213016499U (en) | High-efficient catalyst converter of multiple purification | |
| CN109915241A (en) | Flow apron, oxidation catalyzer and vehicle | |
| CN213942608U (en) | Combined type activated carbon flue gas purification tower | |
| CN2374646Y (en) | Multiple three-element catalysis automotive tail gas purifier | |
| CN213761731U (en) | Reactor outlet collector | |
| CN214106829U (en) | Exhaust pipe structure of modulator | |
| CN208619205U (en) | A kind of all-in-one car silencer with ternary catalyzing unit |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191018 |
|
| RJ01 | Rejection of invention patent application after publication |