CN203440099U - gas mixing distributor and synthetic ammonia reactor - Google Patents

gas mixing distributor and synthetic ammonia reactor Download PDF

Info

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
Authority
CN
China
Prior art keywords
gas
synthesis
ring pipe
distribution device
ammonia
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.)
Expired - Fee Related
Application number
CN201320526442.0U
Other languages
Chinese (zh)
Inventor
万克西
杨洁
马明燕
胡健
黄清鲁
李莉
费伟
赵红霞
唐硕
韦刘轲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Petrochina Co Ltd
China Huanqiu Contracting and Engineering Corp
Original Assignee
Petrochina Co Ltd
China Huanqiu Contracting and Engineering Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Petrochina Co Ltd, China Huanqiu Contracting and Engineering Corp filed Critical Petrochina Co Ltd
Priority to CN201320526442.0U priority Critical patent/CN203440099U/en
Application granted granted Critical
Publication of CN203440099U publication Critical patent/CN203440099U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • 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

Gas mixed distribution device and reactors for synthesis of ammonia
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.
CN201320526442.0U 2013-08-27 2013-08-27 gas mixing distributor and synthetic ammonia reactor Expired - Fee Related CN203440099U (en)

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

ID=50091168

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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN203944357U (en) Be applicable to the reactor of alcohol, benzene or benzene derivative alkylated reaction
CN201952281U (en) Cyclone type waste water treatment device of swell anaerobic sludge bed
CN204474405U (en) A kind of Novel anaerobic cyclone water distributor
CN104971667B (en) Fluidized bed equipment and method for preparing poly-methoxy-dimethyl ether from dimethoxymethane and paraformaldehyde
CN206897366U (en) A kind of new gas distributor
CN203440099U (en) gas mixing distributor and synthetic ammonia reactor
CN103071433B (en) For the gas pre-distributor of the fixed bed reactors of preparing cis-anhydride by n-butane oxidation
CN103871503A (en) Nuclear reactor lower chamber plate-like flow distribution apparatus
CN202516537U (en) Double-axial and radial flow reactor
CN102040474B (en) Method for producing ethanediol from oxalic ester and hydrogen
CN109289710A (en) A kind of radial two-dimentional flow reactor of gas-solid axis
CN201969547U (en) Slurry bed reactor
CN204503037U (en) A kind of three-dimensional mixed distribution device
CN202741093U (en) Fluidized bed reactor internal member for preparing methane from synthesis gas
CN209778442U (en) vortex reaction water distribution device
CN202700474U (en) Static bed axial radical reactor with calandria wall type inner and outer barrels
CN203663806U (en) Reactor for oxidative dehydrogenation of butylene
CN203043965U (en) Radial reactor for mixing and catalyzing gas
CN103084122B (en) Radial reactor
CN202021042U (en) Tray structure in urea synthesizing tower
CN105879795A (en) Three-dimensional mixing distribution method and distributor
CN201036743Y (en) Gas phase media distributor for three-phase pulpous bed reactor
CN202343170U (en) Quasi-radial and detachable fixed-bed catalytic reactor
CN208471554U (en) Gas mixing equipment and synthetic ammonia reactor
CN207986684U (en) The novel fixed bed of Hydrogen Peroxide Production hydrogenation

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