CN203440099U - gas mixing distributor and synthetic ammonia reactor - Google Patents
gas mixing distributor and synthetic ammonia reactor Download PDFInfo
- Publication number
- CN203440099U CN203440099U CN201320526442.0U CN201320526442U CN203440099U CN 203440099 U CN203440099 U CN 203440099U CN 201320526442 U CN201320526442 U CN 201320526442U CN 203440099 U CN203440099 U CN 203440099U
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- China
- Prior art keywords
- gas
- synthesis
- ring pipe
- distribution device
- ammonia
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 28
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 28
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 28
- 238000010791 quenching Methods 0.000 claims description 18
- 239000003054 catalyst Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract 3
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 230000002194 synthesizing effect Effects 0.000 abstract 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The utility model relates to a gas mixing distributor and synthetic ammonia reactor. The gas mixing distributor comprises a cold shock gas distributor and a synthesis gas diversion baffle, wherein the cold shock gas distributor comprises a straight pipe and an annular pipe, and the straight pipe is communicated with the annular pipe; the synthesis gas drainage baffle is cylindrical and is arranged below the annular pipe. The pipe walls of the straight pipe and the annular pipe are provided with a plurality of vent holes, wherein the vent holes on the annular pipe are arranged on the pipe wall facing the direction of the circle center of the annular pipe. The reactor for synthesizing ammonia is internally provided with the gas mixing distributor. The gas mixing distributor enables the cold shock gas and the synthesis gas to be uniformly mixed, and enables the mixed fluid to be uniformly distributed on the cross section of the catalyst basket in the axial flow catalyst basket. Thereby leading the catalyst to exert better conversion rate and utilization rate and achieving the effect of reducing the pressure drop of the catalyst bed layer.
Description
Technical field
The utility model relates to a kind of ammonia synthesis unit field, particularly relates to a kind of endless tube perforating axial gas mixed distribution device and reactors for synthesis of ammonia for ammonia synthesis converter.
Background technology
At present, type catalyst frame for ammonia synthesis tower quench gas sparger mostly is rhombus sparger or grating sparger, is generally applicable to the axial synthetic tower that tower diameter is less.But, in existing synthetic tower, exist due to reactant flow skewness in axial bed basket, affect the problem of pressure drop of turnover ratio and the bed of basket utilization ratio and catalyzer.
Because the defect that above-mentioned existing sparger exists, the design people, actively research and innovation in addition, to founding a kind of axial gas mixed distribution device of novel texture, makes it have more practicality.
Utility model content
Main purpose of the present utility model is, proposes a kind of gas mixed distribution device and reactors for synthesis of ammonia, and technical problem to be solved is that quench gas can evenly be mixed with synthetic gas, thereby is more suitable for practicality.
The purpose of this utility model and solve its technical problem and realize by the following technical solutions.A kind of gas mixed distribution device according to the utility model proposes, comprises quench gas sparger and synthetic gas drainage baffle plate, and described quench gas sparger comprises straight tube and ring pipe, and described straight tube is communicated with ring pipe; Described synthetic gas drainage baffle plate is tubular, is arranged at the below of described ring pipe.
Further, aforesaid gas mixed distribution device, offers a plurality of ventilating pits on the tube wall of wherein said straight tube, offer a plurality of ventilating pits on the tube wall of described ring pipe.
Further, aforesaid gas mixed distribution device, the planar annular that wherein said straight tube forms perpendicular to ring pipe.
Further, aforesaid gas mixed distribution device, the ventilating pit on wherein said ring pipe is arranged on the tube wall of the center of circle of this ring pipe direction.
Further, aforesaid gas mixed distribution device, wherein said synthetic gas drainage baffle plate is up-small and down-big cone tubular.
The purpose of this utility model and solve its technical problem and also adopt following technical scheme to realize.According to a kind of reactors for synthesis of ammonia the utility model proposes, its inside is provided with the gas mixed distribution device described in above-mentioned any one.
Further, aforesaid reactors for synthesis of ammonia, its inside is also provided with synthetic gas entrance bed, and described gas mixed distribution device is arranged on this synthetic gas entrance bed top.
Further, aforesaid reactors for synthesis of ammonia, the outside of described synthetic gas entrance bed is provided with beds; Preferably, this beds is axial basket.
By technique scheme, the utility model gas mixed distribution device and reactors for synthesis of ammonia at least have following advantages:
The utility model has solved in conventional art and has existed due to reactant flow skewness in axial bed basket, affects the problem of pressure drop of turnover ratio and the bed of basket utilization ratio and catalyzer.This gas mixed distribution device makes quench gas can evenly mix with synthetic gas.This sparger has the fluid of making while being used for axial flow basket entrance and is uniformly distributed in basket cross section at axial flow basket.Thereby make catalyzer can give play to good transformation efficiency and utilization ratio and reach the effect that reduces beds pressure drop, this sparger has feature simple in structure simultaneously.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technique means of the present utility model, and can be implemented according to the content of specification sheets, below with preferred embodiment of the present utility model and coordinate accompanying drawing to be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of gas mixed distribution device.
Fig. 2 is the cross section structure schematic diagram of reactors for synthesis of ammonia.
Embodiment
For further setting forth the utility model, be to reach technique means and the effect that predetermined utility model object is taked, below in conjunction with accompanying drawing and preferred embodiment, embodiment of the present utility model be described in detail as follows.
The utility model proposes a kind of gas mixed distribution device, as shown in Figure 1, this gas mixed distribution device, for the synthesis of in ammonia reactor, mixes quench gas with synthetic gas.This gas mixed distribution device comprises quench gas sparger and synthetic gas drainage baffle plate.Described quench gas sparger comprises straight tube 2 and ring pipe 3, the planar annular that described straight tube 2 is communicated with ring pipe 3 and forms perpendicular to ring pipe 3.On the tube wall of straight tube 2, offer a plurality of ventilating pits 6, on the tube wall of ring pipe 3, offer a plurality of ventilating pits 5, for quench gas 10, from these ventilating pits, flow out.Wherein, the ventilating pit 5 on ring pipe 3 is arranged on the tube wall of the center of circle of this ring pipe direction, thereby makes to flow to from the quench gas of ring pipe 3 outflows the central zone of ring pipe.Described synthetic gas drainage baffle plate 4 is tubular, is preferably up-small and down-big cone tubular, the ring pipe 3 described in the upper shed correspondence of this drainage baffle plate 4.The upper shed of this drainage baffle plate 4 can touch described ring pipe 3, also can not contact ring pipe 3 but should approach as far as possible.With the synthetic gas 20 ring pipe central space of flowing through as much as possible that guarantees to flow out from this drainage baffle plate upper shed, thereby can make synthetic gas 20 and the quench gas flowing out from ring pipe 3 carry out good mixing.It is standard that the bore of the lower opening of drainage baffle plate be take the inflow equipment that can mate synthetic gas, and the synthetic gas flowing into is all covered.
The utility model also proposes a kind of reactors for synthesis of ammonia, as shown in Figure 2, this reactors for synthesis of ammonia comprises synthetic gas entrance bed 8, synthetic gas drainage baffle plate 4 described in above-described embodiment is set on this synthetic gas entrance bed, is the ring pipe 3 of quench gas sparger above this synthetic gas drainage baffle plate.Beds 7 is arranged on the outside of synthetic gas entrance bed 8.Above-mentioned beds adopts axial basket, forms the mixing space 1 of quench gas and synthetic gas in reactors for synthesis of ammonia.In this reactors for synthesis of ammonia, synthetic gas 20 enters synthetic gas drainage baffle plate 4 from synthetic gas entrance bed 8, force synthetic gas pass ring pipe 3 intermediate gaps by ring pipe 3 top circulation to beds 7, near ring pipe 3, evenly mix with the quench gas 10 of ejection in ring pipe 3, thereby reach, make quench gas and the mixed uniformly object of synthetic gas.Adopt more even that reactors for synthesis of ammonia of the present utility model can make that quench gas mixes with synthetic gas, thereby improve better ammonia synthesis efficiency.
In above embodiment, only introduced innovation of the present utility model, the part of not describing in detail, those skilled in the art all can adopt scheme of the prior art, therefore do not repeat them here.
The above, be only preferred embodiment of the present utility model, not the utility model done to any pro forma restriction.Gas mixed distribution device described in the utility model also can be in other reactors except reactors for synthesis of ammonia, for example methanol sythesis reactor.Any those skilled in the art, do not departing within the scope of technical solutions of the utility model, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solutions of the utility model, any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present utility model, all still belong in the scope of technical solutions of the utility model.
Claims (9)
1. a gas mixed distribution device, is characterized in that, it comprises quench gas sparger and synthetic gas drainage baffle plate, and described quench gas sparger comprises straight tube and ring pipe, and described straight tube is communicated with ring pipe; Described synthetic gas drainage baffle plate is tubular, is arranged at the below of described ring pipe.
2. gas mixed distribution device according to claim 1, is characterized in that, offers a plurality of ventilating pits on the tube wall of described straight tube, offers a plurality of ventilating pits on the tube wall of described ring pipe.
3. gas mixed distribution device according to claim 2, is characterized in that, the planar annular that described straight tube forms perpendicular to ring pipe.
4. gas mixed distribution device according to claim 2, is characterized in that, the ventilating pit on described ring pipe is arranged on the tube wall of the center of circle of this ring pipe direction.
5. gas mixed distribution device according to claim 1, is characterized in that, described synthetic gas drainage baffle plate is up-small and down-big cone tubular.
6. a reactors for synthesis of ammonia, is characterized in that, this reactors for synthesis of ammonia inside is provided with the gas mixed distribution device described in claim 1-5 any one.
7. reactors for synthesis of ammonia according to claim 6, is characterized in that, this reactors for synthesis of ammonia inside is provided with synthetic gas entrance bed, and described gas mixed distribution device is arranged on this synthetic gas entrance bed top.
8. reactors for synthesis of ammonia according to claim 7, is characterized in that, the outside of described synthetic gas entrance bed is provided with beds.
9. reactors for synthesis of ammonia according to claim 8, is characterized in that, beds is axial basket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320526442.0U CN203440099U (en) | 2013-08-27 | 2013-08-27 | gas mixing distributor and synthetic ammonia reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320526442.0U CN203440099U (en) | 2013-08-27 | 2013-08-27 | gas mixing distributor and synthetic ammonia reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203440099U true CN203440099U (en) | 2014-02-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320526442.0U Expired - Fee Related CN203440099U (en) | 2013-08-27 | 2013-08-27 | gas mixing distributor and synthetic ammonia reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203440099U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386609A (en) * | 2018-04-23 | 2019-10-29 | 中国石油天然气股份有限公司 | Gas mixing equipment and synthetic ammonia reactor |
| CN110559944A (en) * | 2018-06-05 | 2019-12-13 | 中国石油天然气股份有限公司 | gas mixing distributor and fixed bed reactor |
-
2013
- 2013-08-27 CN CN201320526442.0U patent/CN203440099U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386609A (en) * | 2018-04-23 | 2019-10-29 | 中国石油天然气股份有限公司 | Gas mixing equipment and synthetic ammonia reactor |
| CN110386609B (en) * | 2018-04-23 | 2024-03-26 | 中国石油天然气股份有限公司 | Gas mixing equipment and synthetic ammonia reactor |
| CN110559944A (en) * | 2018-06-05 | 2019-12-13 | 中国石油天然气股份有限公司 | gas mixing distributor and fixed bed reactor |
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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 |
Granted publication date: 20140219 Termination date: 20210827 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |