CN205461143U - Sour hydrocarbon separator of alkanisation - Google Patents
Sour hydrocarbon separator of alkanisation Download PDFInfo
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- CN205461143U CN205461143U CN201620072725.6U CN201620072725U CN205461143U CN 205461143 U CN205461143 U CN 205461143U CN 201620072725 U CN201620072725 U CN 201620072725U CN 205461143 U CN205461143 U CN 205461143U
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Abstract
The utility model discloses a sour hydrocarbon separator of alkanisation adopts horizontal container, including the reactor barrel, be equipped with feed inlet, hydrocarbon export and sour export on the section of thick bamboo wall of reactor barrel, the feed inlet is located the side of reactor barrel front end, the hydrocarbon export is located reactor barrel body backend top, sour export is located reactor barrel body backend's bottom, feed inlet department is equipped with the feed distribution ware, reactor barrel inside is equipped with distributing plate, coalescent pack, the distributing plate apart from front end head tangent distance be the container diameter 0.4 -0.5 doubly, the distributing plate is 130 -170mm with the coalescent pack apart from B. The utility model discloses a 15 vol ppm of suan han liang is less than or equal to in hydrocarbon export exhaust result hydrocarbon can be guaranteed to the device.
Description
Technical field
This utility model belongs to separation equipment technical field, is specifically related to a kind of sour hydrocarbon segregation apparatus used in sulfuric acid process alkylated reaction unit equipment, for being separated with catalyst concentrated sulphuric acid by alkylation reaction product hydrocarbon.
Background technology
Using concentrated sulphuric acid to make catalyst in sulfuric acid process alkylation, in alkylated reaction, catalyst directly contacts with liquefied gas raw material, and therefore reaction product needs to carry out sour hydrocarbon with concentrated sulfuric acid catalyst and separates.At present conventional sour hydrocarbon separation equipment is to use quiescent settling, or arranges simple internals in container and separate, and separating effect is bad.
Summary of the invention
This utility model provides a kind of sour hydrocarbon segregation apparatus for sulfuric acid process alkylation process flow process, and for separating product hydrocarbon and the catalyst concentrated sulphuric acid of alkylated reaction, the final acid content ensured in product hydrocarbon is less than 15vol ppm.
A kind of alkylation acid hydrocarbon separator, uses horizontal vessel, and including reactor shell, the barrel of described reactor shell is provided with charging aperture, hydrocarbon outlet and acid outlet；Described charging aperture is positioned on the side of reactor shell front end, and the outlet of described hydrocarbon is positioned at top, reactor shell rear end, and described acid outlet is positioned at the bottom of reactor shell rear end；Being provided with feed distributor at described charging aperture, be provided with distribution grid, coalescent pack inside described reactor shell, described distribution grid distance front-end end enclosure tangent distance is 0.4-0.5 times of container diameter；Described distribution grid is 130-170mm with distance B of coalescent pack.
Further, the draw ratio of described cylinder is 2.5-6.
Further, described feed distributor uses side-fed, and one end is charging aperture, and the other end is blind end, and horizontal both sides are provided with out the distributor pipe of distributing slot；The width of described distributing slot is W=2 × Dp2/ (Dv-430) mm, separation V are 80mm, and both sides are evenly arranged.
Further, the thickness 3mm of described distribution grid, without corrosion allowance；Being uniformly provided with perforate on described distribution grid, a diameter of 10-15mm of perforate, perforated area accounts for the 20-30% of distribution grid area.
Further, described coalescent pack uses the cross flow type gasket packing of polypropylene material, and cross-flow cross section minimum area is 14.2% that container section is long-pending；The plate of gasket packing and spacing 10mm of plate.
Further, sealing device is set between described coalescent pack and container barrel, leakage fluid dram is set bottom coalescent pack.
Further, described hydrocarbon exit is provided with hydrocarbon outlet packing layer and bottom baffle；Described hydrocarbon outlet packing layer is positioned at the lower end of hydrocarbon outlet, and hydrocarbon exports to coalescent pack distance G 500mm.
Further, described hydrocarbon outlet packing layer is circle ring column, and a diameter of 500-1000mm of inner circle, outside diameter is 1500-2100mm.
Further, filling filler between inner circle and the cylindrical of described hydrocarbon outlet packing layer, depth of packing is 500-800mm, and described filler is the fine and close coalescent pack of polytetrafluoroethylene PTFE material.
Further, the diameter of described reactor shell meets the cross-flow velocity≤0.015m/s of acid hydrocarbon, it is ensured that arrive the droplet particles diameter of acid in the hydrocarbon at hydrocarbon outlet filler.
Compared with prior art, advantage of the present utility model and good effect be: the alkylation acid hydrocarbon separator that this utility model provides is by appropriate design acid hydrocarbon feed distributor, make acid hydrocarbon mixture obtain good initial distribution, turn avoid the acid biphase separation disturbance in horizontal vessel of hydrocarbon.Distribution grid is set, enhances the separation of acid hydrocarbon mixture so that enter the sour hydrocarbon mixture in coalescence gasket packing more uniform, improve the separating effect of coalescence gasket packing, and the consumption of coalescence gasket packing can be greatly reduced, it is ensured that and the separating effect of acid hydrocarbon, decrease investment.In conjunction with distribution grid and the design of coalescence gasket packing, it is possible to ensure filler is assembled the concentrated sulphuric acid of at least 90% in acid hydrocarbon mixture.Arranging coalescence gasket packing and hydrocarbon outlet filler, polypropylene and PTFE acid resistance are strong, meet the gradually separation of acid hydrocarbon simultaneously, improve acid hydrocarbon separating effect.In conjunction with coalescence gasket packing and the design of hydrocarbon outlet filler, it is possible to ensure the acid content 15 vol ppm in the product hydrocarbon that hydrocarbon outlet is discharged.
Accompanying drawing explanation
Fig. 1. alkylation acid hydrocarbon cyclone separator arrangement schematic diagram of the present utility model；
Fig. 2. the schematic cross-section of acid hydrocarbon feed distributor of the present utility model；
Fig. 3. the structural representation of hydrocarbon of the present utility model outlet packing layer；
Figure marks: reactor shell 1, distribution grid 2, gathering gasket packing 3, acid outlet 4, hydrocarbon outlet packing layer 5, hydrocarbon outlet 6, bottom baffle 7, sour hydrocarbon feed distributor 8, charging aperture 81, blind end 82, distributing slot 83, charging aperture 9, front-end end enclosure 11, rear end end socket 12.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the technical solution of the utility model is described in further detail.
This utility model provides a kind of alkylation acid hydrocarbon separator, take into full account the impact on acid hydrocarbon separating effect of the distribution of internals and the size of internals, it is by using RANS, middle equation and Newton's equation to calculate, the distribution of internals and the size of internals in acid hydrocarbon separator are optimized design, it is ensured that efficiently separating of acid hydrocarbon.
As it is shown in figure 1, described alkylation acid hydrocarbon separator uses horizontal vessel, including reactor shell 1, the draw ratio of described cylinder 1 is 2.5-6, and in figure, H is barrel lenght, and Dp is barrel diameter.The barrel of described reactor shell 1 is provided with charging aperture 9, hydrocarbon outlet 6 and acid outlet 4；Described charging aperture 9 is positioned on the side of reactor shell 1 front end, it is desirable to distance container front-end end enclosure 11 is apart from minimum；Described hydrocarbon outlet 6 is positioned at top, reactor shell 1 rear end；Described acid outlet 4 is positioned at the bottom of reactor shell 1 rear end, acid outlet 4 and rear end end socket 12 tangent distance F, and distance F requires the least.
The inside of described reactor shell 1 is provided with feed distributor 8, distribution grid 2, coalescent pack 3, hydrocarbon outlet packing layer 5 and bottom baffle 7.Feed distributor 8 is positioned at charging aperture, and it is internal that the sour hydrocarbon mixture produced after alkylated reaction enters into reactor shell 1 by feed distributor 8, then sequentially passes through distribution grid 2 and coalescent pack 3.Barrel diameter Dp meets the cross-flow velocity≤0.015m/s of acid hydrocarbon, it is ensured that arrive the droplet particles diameter of acid in the hydrocarbon at hydrocarbon outlet filler.
Described feed distributor 8 uses side-fed, one end to be charging apertures 81, and the other end is blind end 82, and horizontal both sides are provided with out the distributor pipe of distributing slot 83.This utility model sets W as well width, mm；Dp is container diameter, mm；Dv is the caliber of feed distributor distributor pipe, mm.The width of groove is W=2 × Dp2/ (Dv-430) mm, separation V are 80mm, and both sides are evenly arranged.
Described distribution grid 2, apart from front-end end enclosure tangent distance A, A=0.4Dp-0.5Dp, is i.e. 0.4-0.5 times of container diameter；The thickness 3mm(of described distribution grid does not contains corrosion allowance), distribution grid is uniformly provided with perforate, a diameter of 10-15mm of perforate, perforated area accounts for the 20-30% of distribution grid area.Distribution grid in this utility model uses the design uniformly opening aperture, it is ensured that fluid distrbution is more uniform, and on the other hand aperture size size design is reasonable, and the least meeting in aperture causes excessive emulsifying, too conference that follow-up separation process is caused disturbance.
Described coalescent pack 3 use the cross flow type gasket packing of polypropylene material, cross-flow cross section minimum area be container section long-pending 14.2%, and ensure that the flowing in gasket packing is laminar flow；The plate of gasket packing and spacing 10mm of plate.The concentrated sulphuric acid of 90% in acid hydrocarbon mixture can at least be assembled by filler, requires to determine the size of distance E according to technology.Distribution grid is 130-170mm, preferably 150mm with distance B of coalescent pack, and distance is crossed conference and caused the waste of cylinder, can affect nowed forming and distributed effect apart from too small.In order to prevent bypass, seal between coalescent pack 3 and container barrel and arrange, bottom coalescence gasket packing, leakage fluid dram is set.
Described hydrocarbon outlet packing layer 5 is positioned at the lower end of hydrocarbon outlet 6, is positioned on the inwall of reactor shell, to coalescence gasket packing 3 apart from G 500mm；Described hydrocarbon outlet packing layer 5 is circle ring column, and inner circle diameter phi is 500-1000mm, and outside diameter Φ is 1500-2100mm, it is preferred that a diameter of 700mm of inner circle, and outside diameter is 2100mm, and height is determined according to the technical parameter of fine and close coalescent pack.Filling filler between inner circle and the cylindrical of described hydrocarbon outlet packing layer 5, depth of packing is 500-800mm, and described filler is the fine and close coalescent pack of polytetrafluoroethylene PTFE material.
Described hydrocarbon outlet packing layer 5 bottom arranges bottom baffle 7, is used for closing and supporting filler；In order to avoid accumulation acid solution, bottom baffle 7 can be set to inclined-plane.
The alkylation acid hydrocarbon separator that this utility model provides is by appropriate design acid hydrocarbon feed distributor so that acid hydrocarbon mixture obtains good initial distribution, turn avoid the acid biphase separation disturbance in horizontal vessel of hydrocarbon.Distribution grid is set, enhances the separation of acid hydrocarbon mixture so that enter the sour hydrocarbon mixture in coalescence gasket packing more uniform, improve the separating effect of coalescence gasket packing, and the consumption of coalescence gasket packing can be greatly reduced, it is ensured that and the separating effect of acid hydrocarbon, decrease investment.In conjunction with distribution grid and the design of coalescence gasket packing, it is possible to ensure filler is assembled the concentrated sulphuric acid of at least 90% in acid hydrocarbon mixture.Arranging coalescence gasket packing and hydrocarbon outlet filler, polypropylene and PTFE acid resistance are strong, meet the gradually separation of acid hydrocarbon simultaneously, improve acid hydrocarbon separating effect.In conjunction with coalescence gasket packing and the design of hydrocarbon outlet filler, it is possible to ensure the acid content 15 vol ppm in the product hydrocarbon that hydrocarbon outlet is discharged.
Above example is only several in the several preferred implementation of this utility model, it is noted that this utility model is not limited to above-described embodiment；For the person of ordinary skill of the art, still the technical scheme described in previous embodiment can be modified, or wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of this utility model technical scheme required for protection.
Claims (10)
1. an alkylation acid hydrocarbon separator, it is characterised in that use horizontal vessel, including reactor shell, the barrel of described reactor shell is provided with charging aperture, hydrocarbon outlet and acid outlet；Described charging aperture is positioned on the side of reactor shell front end, and the outlet of described hydrocarbon is positioned at top, reactor shell rear end, and described acid outlet is positioned at the bottom of reactor shell rear end；Being provided with feed distributor at described charging aperture, be provided with distribution grid, coalescent pack inside described reactor shell, described distribution grid distance front-end end enclosure tangent distance is 0.4-0.5 times of container diameter；Described distribution grid is 130-170mm with distance B of coalescent pack.
A kind of alkylation acid hydrocarbon separator the most according to claim 1, it is characterised in that the draw ratio of described cylinder is 2.5-6.
A kind of alkylation acid hydrocarbon separator the most according to claim 1, it is characterised in that described feed distributor uses side-fed, and one end is charging aperture, and the other end is blind end, and horizontal both sides are provided with out the distributor pipe of distributing slot；The width of described distributing slot is W=2 × Dp2/ (Dv-430) mm, separation V are 80mm, and both sides are evenly arranged；Wherein Dp is container diameter, and Dv is the caliber of feed distributor distributor pipe.
A kind of alkylation acid hydrocarbon separator the most according to claim 1, it is characterised in that the thickness 3mm of described distribution grid, without corrosion allowance；Being uniformly provided with perforate on described distribution grid, a diameter of 10-15mm of perforate, perforated area accounts for the 20-30% of distribution grid area.
A kind of alkylation acid hydrocarbon separator the most according to claim 1, it is characterised in that described coalescent pack uses the cross flow type gasket packing of polypropylene material, cross-flow cross section minimum area is 14.2% that container section is long-pending；The plate of gasket packing and spacing 10mm of plate.
A kind of alkylation acid hydrocarbon separator the most according to claim 1, it is characterised in that sealing device is set between described coalescent pack and container barrel, leakage fluid dram is set bottom coalescent pack.
A kind of alkylation acid hydrocarbon separator the most according to claim 1, it is characterised in that described hydrocarbon exit is provided with hydrocarbon outlet packing layer and bottom baffle；Described hydrocarbon outlet packing layer is positioned at the lower end of hydrocarbon outlet, and hydrocarbon exports to coalescent pack distance G 500mm.
A kind of alkylation acid hydrocarbon separator the most according to claim 7, it is characterised in that described hydrocarbon outlet packing layer is circle ring column, and a diameter of 500-1000mm of inner circle, outside diameter is 1500-2100mm.
A kind of alkylation acid hydrocarbon separator the most according to claim 8, it is characterised in that filling filler between inner circle and the cylindrical of described hydrocarbon outlet packing layer, depth of packing is 500-800mm, and described filler is the fine and close coalescent pack of polytetrafluoroethylene PTFE material.
A kind of alkylation acid hydrocarbon separator the most according to claim 1, it is characterised in that the diameter of described reactor shell meets the cross-flow velocity≤0.015m/s of acid hydrocarbon, it is ensured that arrive the droplet particles diameter of acid in the hydrocarbon at hydrocarbon outlet filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620072725.6U CN205461143U (en) | 2016-01-26 | 2016-01-26 | Sour hydrocarbon separator of alkanisation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620072725.6U CN205461143U (en) | 2016-01-26 | 2016-01-26 | Sour hydrocarbon separator of alkanisation |
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| CN205461143U true CN205461143U (en) | 2016-08-17 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106243588A (en) * | 2016-08-23 | 2016-12-21 | 安徽海德石油化工有限公司 | A kind of alkylation acid hydrocarbon separation coalescent pack |
| CN108854159A (en) * | 2018-06-29 | 2018-11-23 | 上海米素环保科技有限公司 | A kind of butterfly acid hydrocarbon separator and manufacturing method |
| CN109381892A (en) * | 2018-11-27 | 2019-02-26 | 浙江赛铬能源有限公司 | A kind of method of sour hydrocarbon coarse separation in alkylation production technology |
| CN113122310A (en) * | 2019-12-31 | 2021-07-16 | 中国石油化工股份有限公司 | High-speed separation demulsification separation tank and high-speed demulsification separation method |
-
2016
- 2016-01-26 CN CN201620072725.6U patent/CN205461143U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106243588A (en) * | 2016-08-23 | 2016-12-21 | 安徽海德石油化工有限公司 | A kind of alkylation acid hydrocarbon separation coalescent pack |
| CN108854159A (en) * | 2018-06-29 | 2018-11-23 | 上海米素环保科技有限公司 | A kind of butterfly acid hydrocarbon separator and manufacturing method |
| CN108854159B (en) * | 2018-06-29 | 2021-01-15 | 上海米素环保科技有限公司 | Butterfly acid hydrocarbon separator and manufacturing method thereof |
| CN109381892A (en) * | 2018-11-27 | 2019-02-26 | 浙江赛铬能源有限公司 | A kind of method of sour hydrocarbon coarse separation in alkylation production technology |
| CN113122310A (en) * | 2019-12-31 | 2021-07-16 | 中国石油化工股份有限公司 | High-speed separation demulsification separation tank and high-speed demulsification separation method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266000 No. 2 Huayan Road, Qingdao City, Shandong Province Patentee after: Huadong design branch of China Petroleum Engineering Construction Co.,Ltd. Address before: 266000 No. 2 Huayan Road, Qingdao City, Shandong Province Patentee before: EAST CHINA DESIGN BRANCH OF CHINA PETROLEUM ENGINEERING & CONSTRUCTION Corp. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190730 Address after: 266071 No. 2 Huayan Road, Qingdao City, Shandong Province Patentee after: CNPC EAST CHINA DESIGN INSTITUTE CO.,LTD. Address before: 266000 No. 2 Huayan Road, Qingdao City, Shandong Province Patentee before: Huadong design branch of China Petroleum Engineering Construction Co.,Ltd. |
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| TR01 | Transfer of patent right |