CN203853021U - Horizontal SCR (Selective Catalytic Reduction) reactor - Google Patents
Horizontal SCR (Selective Catalytic Reduction) reactor Download PDFInfo
- Publication number
- CN203853021U CN203853021U CN201420153335.2U CN201420153335U CN203853021U CN 203853021 U CN203853021 U CN 203853021U CN 201420153335 U CN201420153335 U CN 201420153335U CN 203853021 U CN203853021 U CN 203853021U
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- CN
- China
- Prior art keywords
- catalyst
- framework
- reactor
- housing
- shrouding
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- 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.)
- Expired - Fee Related
Links
- 238000010531 catalytic reduction reaction Methods 0.000 title abstract 2
- 239000003054 catalyst Substances 0.000 claims abstract description 86
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 230000008676 import Effects 0.000 claims description 17
- 238000010276 construction Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 22
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 14
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract 4
- 230000001413 cellular effect Effects 0.000 abstract 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- 229910021529 ammonia Inorganic materials 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model discloses a horizontal SCR (Selective Catalytic Reduction) reactor. The horizontal SCR reactor comprises a reactor shell and catalyst modules which are horizontally arranged, wherein the reactor shell comprises an inlet horn hole, a catalyst shell and an outlet horn hole which are sequentially connected, the catalyst modules are arranged in the catalyst shell and comprise catalyst frames and a plurality of cellular catalyst units which are uniformly and horizontally distributed in the catalyst frames, and a plurality of inlet flow-guiding sealing plates and a plurality of outlet flow-guiding sealing plates which are arrayed in parallel at intervals are respectively arranged between the left, right and upper sides of the inlet and outlet end faces of the catalyst frame and the inner wall of the catalyst shell. According to the horizontal SCR reactor, by utilizing flow-guiding designs of the inlet horn hole, the outlet horn hole, the inlet flow-guiding sealing plates and the outlet flow-guiding sealing plates and selecting the cellular catalyst with a small hole, the modules are transversely arrayed, so that nitric oxide (NOx) and ammonia gas in the tail gas enter the catalyst to adequately react, and the emission concentration of the NOx meets the national environmental requirements.
Description
Technical field
The utility model belongs to chemical industry equipment field, relates to a kind of horizontal SCR reactor.
Background technology
At present, SCR denitrating system is in the majority for power industry and cement industry, in these industries, tail gas amount is all larger, dust concentration is high, and nitrous oxides concentration is higher, and the amount of the ammonia needing is also larger, so SCR reactor is generally vertical, choose the board-like catalyst that hole is larger, the horn mouth that also do not need to come in and go out design, though resistance greatly also can meet technological requirement substantially.Along with country is more and more tighter to the requirement of environmental protection, the tail gas SCR denitration technology of petrochemical industry or chemical industry is subject to the consistent attention of country and enterprise, and the SCR denitration technology of petrochemical industry or chemical industry is little for tail gas amount, but nitrous oxides concentration is not high, but exceed again environment protection emission requirement, need the amount of ammonia little vent gas treatment in, vertical SCR reactor, owing to adopting the larger board-like catalyst of hole and internals without diversion Design, can not meet the requirement of petrochemical industry or chemical industry tail gas SCR denitration technology.
In addition due to equipment making and the construction precision a variety of causes such as not, what vertical SCR reactor cannot accomplish that NOx mixes with ammonia enter in catalyst fully reaction remove nitrogen oxide, thereby cannot reach national environment protection emission requirement.
Summary of the invention
The purpose of this utility model, provides a kind of being suitable in petrochemical industry or chemical industry tail gas SCR denitration processing to make the horizontal SCR reactor that in middle tail gas, NOX evenly enters in catalyst and fully reacts with ammonia exactly in order to address the above problem.
The purpose of this utility model is achieved in that
The horizontal SCR reactor of one of the present utility model, comprise reactor shell and catalyst module that accumbency arranges, described reactor shell comprises the import horn mouth connecting successively, catalyst housing and outlet loudspeaker mouth, described catalyst module is located in described catalyst housing, described catalyst module comprises and is the catalyst framework of cube rod shape and is distributed in described catalyst framework and horizontally disposed some honeycombed catalyst unit that is column, the cross section of described catalyst framework is square, the cross section of described honeycombed catalyst unit is rectangle, a left side for described catalyst framework inlet end face, between right side and upside and described catalyst housing inwall, be provided with some arrange side by side and adjacent between establish gapped import water conservancy diversion shrouding, a left side for described catalyst framework exit end face, between right side and upside and described catalyst housing inwall, be provided with some arrange side by side and adjacent between establish gapped outlet water conservancy diversion shrouding.
The horizontal SCR reactor of above-mentioned one, wherein, described catalyst module is laterally provided with two honeycombed catalyst unit, is vertically provided with four honeycombed catalyst unit.
The horizontal SCR reactor of above-mentioned one, wherein, described import water conservancy diversion shrouding and outlet water conservancy diversion shrouding are folded plate construction, comprise the housing fixed part, kink and the framework fixed part that connect successively, described housing fixed part is fixed on the inwall of described catalyst housing, described framework fixed part is fixed on described catalyst framework, and the angle between described kink and described catalyst housing inwall is 26 degree.
The horizontal SCR reactor of above-mentioned one, wherein, the gap between described adjacent import water conservancy diversion shrouding is 10mm, the gap between described adjacent outlet water conservancy diversion shrouding is 10mm.
The horizontal SCR reactor of above-mentioned one, wherein, the end face of described catalyst housing is provided with an inspection manhole.
The diversion Design of the horizontal SCR reactor of the utility model to import and export horn mouth and import and export water conservancy diversion shrouding, the honeycombed catalyst that selected hole is less, module is transversely arranged, thereby the nitrogen oxide (NOx) reaching in tail gas evenly enters in catalyst and fully reacts with ammonia, makes NOx concentration of emission reach the object of national requirements for environmental protection.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of catalyst module in the utility model;
Fig. 3 is the partial enlarged drawing at A place in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Refer to Fig. 1 and Fig. 2, there is shown the horizontal SCR reactor of the utility model, comprise reactor shell and catalyst module 4 that accumbency arranges, reactor shell comprises the import horn mouth 1 connecting successively, catalyst housing 3 and outlet loudspeaker mouth 6, catalyst module 4 is located in catalyst housing 3, catalyst module 4 comprises and is the catalyst framework 41 of cube rod shape and is distributed in catalyst framework 41 and horizontally disposed some honeycombed catalyst unit 42 that is column, the cross section of catalyst framework 41 is square, the cross section of honeycombed catalyst unit 42 is rectangle, catalyst framework 41 is near a left side for the inlet end face at import horn mouth 1 place, between right side and upside and catalyst housing 3 inwalls, be provided with some arrange side by side and adjacent between establish gapped import water conservancy diversion shrouding 2, catalyst framework 41 is near a left side for the exit end face of outlet loudspeaker mouth 6, between right side and upside and catalyst housing 3 inwalls, be provided with some arrange side by side and adjacent between establish gapped outlet water conservancy diversion shrouding 5, arranging of the interior honeycombed catalyst of catalyst module 4 unit 42 is 2 × 4, be laterally provided with two honeycombed catalyst unit 42, vertically be provided with four honeycombed catalyst unit 42, the end face of catalyst housing 3 is provided with an inspection manhole 7.
Refer to Fig. 3, import water conservancy diversion shrouding 2 and outlet water conservancy diversion shrouding 5 are folded plate construction, comprise the housing fixed part 21, kink 22 and the framework fixed part 23 that connect successively, housing fixed part 21 is fixed on the inwall of catalyst housing 3, framework fixed part 23 is fixed on catalyst framework 4, angle α between kink 22 and catalyst housing 21 inwalls is 26 degree, and the gap between adjacent import water conservancy diversion shrouding 2 is 10mm, and the gap between adjacent outlet water conservancy diversion shrouding 5 is 10mm.
The design of import horn mouth 1, outlet loudspeaker mouth 6 and import and export water conservancy diversion shrouding 2,5, there is certain guide functions, NOx and ammonia gas mixture physical efficiency are evenly imported in catalyst module 4, the less honeycombed catalyst of hole of selecting, module is transversely arranged, thereby the nitrogen oxide reaching in tail gas evenly enters in catalyst and fully reacts with ammonia, and NOx concentration of emission reaches national requirements for environmental protection.Top is provided with inspection manhole 7, and the replacing of overhaul of the equipments and catalyst all more for convenience.
Above embodiment is only for illustration of the utility model, but not to restriction of the present utility model, person skilled in the relevant technique, in the situation that not departing from spirit and scope of the present utility model, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (5)
1. a horizontal SCR reactor, it is characterized in that, it comprises reactor shell and the catalyst module that accumbency arranges, described reactor shell comprises the import horn mouth connecting successively, catalyst housing and outlet loudspeaker mouth, described catalyst module is located in described catalyst housing, described catalyst module comprises and is the catalyst framework of cube rod shape and is distributed in described catalyst framework and horizontally disposed some honeycombed catalyst unit that is column, the cross section of described catalyst framework is square, the cross section of described honeycombed catalyst unit is rectangle, a left side for described catalyst framework inlet end face, between right side and upside and described catalyst housing inwall, be provided with some arrange side by side and adjacent between establish gapped import water conservancy diversion shrouding, a left side for described catalyst framework exit end face, between right side and upside and described catalyst housing inwall, be provided with some arrange side by side and adjacent between establish gapped outlet water conservancy diversion shrouding.
2. the horizontal SCR reactor of one as claimed in claim 1, is characterized in that, described catalyst module is laterally provided with two honeycombed catalyst unit, is vertically provided with four honeycombed catalyst unit.
3. the horizontal SCR reactor of one as claimed in claim 1, it is characterized in that, described import water conservancy diversion shrouding and outlet water conservancy diversion shrouding are folded plate construction, comprise the housing fixed part, kink and the framework fixed part that connect successively, described housing fixed part is fixed on the inwall of described catalyst housing, described framework fixed part is fixed on described catalyst framework, and the angle between described kink and described catalyst housing inwall is 26 degree.
4. the horizontal SCR reactor of one as claimed in claim 1, is characterized in that, the gap between described adjacent import water conservancy diversion shrouding is 10mm, and the gap between described adjacent outlet water conservancy diversion shrouding is 10mm.
5. the horizontal SCR reactor of one as claimed in claim 1, is characterized in that, the end face of described catalyst housing is provided with an inspection manhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420153335.2U CN203853021U (en) | 2014-03-31 | 2014-03-31 | Horizontal SCR (Selective Catalytic Reduction) reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420153335.2U CN203853021U (en) | 2014-03-31 | 2014-03-31 | Horizontal SCR (Selective Catalytic Reduction) reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203853021U true CN203853021U (en) | 2014-10-01 |
Family
ID=51602902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420153335.2U Expired - Fee Related CN203853021U (en) | 2014-03-31 | 2014-03-31 | Horizontal SCR (Selective Catalytic Reduction) reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203853021U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110860202A (en) * | 2018-08-28 | 2020-03-06 | 艾克赛尔能源科技江苏有限公司 | Denitration reactor convenient to installation is dismantled |
| CN112228191A (en) * | 2020-11-05 | 2021-01-15 | 中船动力研究院有限公司 | A mounting structure for installing SCR catalyst unit casing |
| CN113694715A (en) * | 2021-07-21 | 2021-11-26 | 烟台鲁宝钢管有限责任公司 | SCR denitration reactor using concrete smoke exhaust flue as body |
-
2014
- 2014-03-31 CN CN201420153335.2U patent/CN203853021U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110860202A (en) * | 2018-08-28 | 2020-03-06 | 艾克赛尔能源科技江苏有限公司 | Denitration reactor convenient to installation is dismantled |
| CN112228191A (en) * | 2020-11-05 | 2021-01-15 | 中船动力研究院有限公司 | A mounting structure for installing SCR catalyst unit casing |
| CN113694715A (en) * | 2021-07-21 | 2021-11-26 | 烟台鲁宝钢管有限责任公司 | SCR denitration reactor using concrete smoke exhaust flue as body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 |