CN205974317U - Mix accurate separator of pentane - Google Patents
Mix accurate separator of pentane Download PDFInfo
- Publication number
- CN205974317U CN205974317U CN201620642139.0U CN201620642139U CN205974317U CN 205974317 U CN205974317 U CN 205974317U CN 201620642139 U CN201620642139 U CN 201620642139U CN 205974317 U CN205974317 U CN 205974317U
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- Prior art keywords
- pentane
- isopentane
- rectifying column
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Abstract
The utility model provides a mix accurate separator of pentane, relates to a splitter that mixes the pentane, mainly includes n -pentane treater, isopentane treater, isopentane return tank, isopentane backwash pump, rectifying column top air cooler, rectifying column A section, rectifying column B section, mixes the pentane heater, mixes reboiler at the bottom of pentane pre -heater, the rectifying column, rectifying column internal reflux pump, n -pentane air cooler and supporting pipeline, valve, electric instrument and equipment etc. The utility model discloses a rectifying column adopts n -pentane treater, the purification of isopentane treater, refined n -pentane and isopentane to mixing the accurate separation of pentane, mixes the pentane heater, mixes the pentane pre -heater to heat device make full use of, to reach the high -purity pentane product purpose of production.
Description
【Technical field】
This utility model is related to a kind of separation equipment of hybrid pentane, especially relates to a kind of accurate separation of hybrid pentane and fills
Put.
【Background technology】
Known, up to the present pentane commercially occurs as a component of dewaxing by molecular sieve desorbing agent, respectively
High-purity pentane majority that factory uses is all imported product.High-purity pentane is mainly used in gas chromatographic analysiss standard, organic
Synthesis, anesthetis, the manufacture of cryogenic thermometer；The high neat solvent of the multipurposes such as farming residual analysis, spectrum analyses, organic synthesiss.High-purity
Isopentane is mainly used in removes hot solvent, various oils and fatss, the extraction solvent of quintessence oil class, quintessence oil diluent, precision as polymerization
Instrument clean agent etc.；Also can be used as domestic fuel, industrial fuel, plastics blowing agent and other solvent.
The pentane of import is all to be produced using rectification and hydrofinishing process integration, and rectification and oxygenation refine joint work
Skill, investment is big, and production cost is high, and operating condition is harsh, is limited by scale and benefit, does not meet China's national situation.The pentane removal of impurity
Process is a series of continuous treating process of unit operations, and existing document has no to be addressed, the desulfurization of pentane fractions oil, nitrogen, oxidation
Compound, alkene separate mainly using chemistry, physics and chemicophysical refined means with impurity such as aromatic hydrocarbons, by a point full thing
System is light hydrocarbon mixture, and refined depth is not it is impossible to make pentane impurity content reach imported product standard.
It is by two-tower rectification, molecular sieve dehydration, sodium hydroxide methanol in the Chinese patent CN1342630A of prior art
Solution reaction desulfurization, dilute sulfuric acid remove oxynitride, the method for sulfolane Porous deproteinized bone, and technique is loaded down with trivial details, investment is big；Chinese patent
CN1919809A is to process purification processes using 5 rectifying columns, and investment is big, high energy consumption.
【Content of the invention】
In order to overcome the shortcomings of in background technology, this utility model discloses a kind of hybrid pentane precision segregation apparatuss, this reality
Separated with new employing rectifying column is accurate to hybrid pentane, using pentane treater, the purification of isopentane treater, refine positive penta
Alkane and isopentane, hybrid pentane heater, hybrid pentane preheater make full use of to thermal device, reach the high-purity pentane of production and produce
Items.
For achieving the above object, this utility model adopts the following technical scheme that：
A kind of hybrid pentane precision segregation apparatuss, including pentane treater, 4A molecular sieve, 5A molecular sieve, isopentane essence
Device processed, isopentane reflux pump, isopentane return tank, fixed gas control valve, isopentane recycle control valve, rectifying tower top air cooler,
Rectifying column A section, isopentane inlet valve, rectifying column B section, hybrid pentane inlet valve, hybrid pentane heater, hybrid pentane preheating
Device, pentane pump stop valve, pentane pump, internal reflux control valve, rectification bottom reboiler, rectification reflux in tower pump, heating agent, just
Pentane pump discharge control valve, pentane air cooler and its supporting pipeline, valve, electrical instrumentation；Hybrid pentane passes through pipe
Road enters hybrid pentane preheater tube-side inlet, and the outlet of hybrid pentane preheater tube side is by pipeline and hybrid pentane heater tube
Journey entrance connects, and the outlet of hybrid pentane heater tube side is connected with hybrid pentane inlet valve by pipeline, and hybrid pentane is by mixing
Pentane inlet valve enters rectifying column B section top 150-170 tower tray；Rectifying column B section top material connects rectifying column A section by pipeline
Isopentane inlet valve；Rectifying column A section top isopentane connects rectifying tower top air cooler entrance, rectifying tower top air cooling by pipeline
Device outlet is connected with isopentane return tank top by pipeline；Isopentane backflow pump intake is connected with isopentane return tank bottom,
A part of isopentane of isopentane return tank enters the 1st layer of tower tray of rectifying column A section from isopentane backflow pump discharge, and another part is different
Pentane enters isopentane treater by pipeline, is refining to obtain high-purity isopentane through 5A molecular sieve adsorption；Rectifying column A section bottom of towe
Material enters rectification reflux in tower pump intake, and rectification reflux in tower pump discharge is through internal reflux control valve and hybrid pentane preheater
Shell side inlet connects, and hybrid pentane preheater shell-side outlet enters the 1st layer of rectifying column B section top tower tray by pipeline；Rectifying column B
Section materials at bottom of tower enters hybrid pentane heater shell side inlet by pipeline, and hybrid pentane heater shell-side outlet is through pentane
Pump stop valve is connected with pentane pump intake, and pentane pump discharge is entered with pentane air cooler through pentane pump discharge control valve
Mouth connects, and the outlet of pentane air cooler is connected with pentane treater entrance by pipeline, and pentane is through 4A molecular sieve adsorption
It is refining to obtain high-purity pentane.
Described hybrid pentane precision segregation apparatuss, rectifying column A section is consistent with rectifying column B intrasegmental part structure, tray type,
For tongue shape float valve tray, or regular rustless steel ripple packing, effective tower tray number is 110-150.
Described hybrid pentane precision segregation apparatuss, pentane treater and isopentane treater physical dimension are：Diameter
φ 500mm ~ φ 1500mm, high 5000mm ~ 20000mm.
Described hybrid pentane precision segregation apparatuss, raw material hybrid pentane is to first pass through the preheating of hybrid pentane preheater, then
Heat through hybrid pentane heater and enter rectifying column B section.
Described hybrid pentane precision segregation apparatuss, heating agent is rectifying column B by the rectification bottom reboiler of rectifying column B section
Section provides heat.
Described hybrid pentane precision segregation apparatuss, the fixed gas of isopentane return tank arranges road dress by fixed gas control valve
Put Gas recovery system.
Because using technical scheme as above, this utility model has the advantages that：
Hybrid pentane precision segregation apparatuss described in the utility model：Raw material hybrid pentane is to first pass through hybrid pentane preheating
Device preheats, then heats entrance rectifying column B section through hybrid pentane heater, so that the heat energy of hybrid pentane precision segregation apparatuss is obtained
Reclaim, utilize, energy-conservation obtains more than 15%；Rectifying column A section and rectifying column B section are a rectifying column, and effective tower tray number is 220-
300, so that the pentane in hybrid pentane, isopentane is completely separated, purity reaches more than 99%；Pentane refines through pentane
The adsorption refining of 4A molecular sieve in device, the water content of pentane and isopentane is less than 50PPM, and sulfur content is less than 1PPM, other groups
Divide and be less than 0.5%；Isopentane is respectively through the adsorption refining of 5A molecular sieve in isopentane treater, the water of pentane and isopentane
Content is less than 50PPM, and sulfur content is less than 1PPM, and other components are less than 0.5%.
【Brief description】
Fig. 1 is the schematic diagram of this utility model hybrid pentane precision segregation apparatuss；
In Fig. 1：1st, high-purity pentane；2nd, 4A molecular sieve；3rd, pentane treater；4th, high-purity isopentane；5th, 5A molecular sieve；
6th, isopentane treater；7th, isopentane reflux pump；8th, isopentane return tank；9th, fixed gas control valve；10th, fixed gas；11st, isoamyl
Alkane recycle control valve；12nd, rectifying tower top air cooler；13rd, rectifying column A section；14th, isopentane inlet valve；15th, rectifying column B section；16、
Hybrid pentane inlet valve；17th, hybrid pentane heater；18th, hybrid pentane preheater；19th, hybrid pentane；20th, pentane pump is cut
Disconnected valve；21st, pentane pump；22nd, internal reflux control valve；23rd, rectification bottom reboiler；24th, rectification reflux in tower pump；25th, heating agent；
26th, pentane pump discharge control valve；27th, pentane air cooler.
【Specific embodiment】
This utility model can be explained in more detail by the following examples, open the purpose of this utility model is intended to protect
All changes and improvements in the range of shield this utility model, this utility model is not limited to the following examples；
In conjunction with the hybrid pentane precision segregation apparatuss described in accompanying drawing 1, year 20000 tons of hybrid pentanes precision segregation apparatuss, including
Pentane treater " diameter phi 1000mm, high 25000mm ", 4A molecular sieve " 20M3 ", 5A molecular sieve " 20M3 ", isopentane refine
Device " diameter phi 1000mm, high 25000mm ", isopentane reflux pump 7, isopentane return tank " diameter phi 1400mm, long 3600mm,
Volume 4.58M3 ", fixed gas control valve 9, isopentane recycle control valve 11, rectifying tower top air cooler 12, rectifying column A section " diameter
φ 1000mm, high 59600mm, tongue shape float valve tray number be 130 ", isopentane inlet valve 14, rectifying column B section " diameter phi
1000mm, high 59600mm, tongue shape float valve tray number be 130 ", hybrid pentane inlet valve 16, hybrid pentane heater " model
BJUD1000-2.5/2.5-377-6/19-2I ", pentane pump stop valve 20, pentane pump 21, hybrid pentane preheater " model
For BJUD600-2.5/2.5-45-3/25-2I ", internal reflux control valve 22, rectification bottom reboiler 23, rectification reflux in tower pump
24th, heating agent 320 type conduction oil, pentane pump discharge control valve 26, pentane air cooler 27 and its supporting pipeline, valve, electricity
Gas instrumentation；Hybrid pentane 19 enters hybrid pentane preheater 18 tube-side inlet by pipeline, and hybrid pentane preheater 18 is managed
Journey outlet is connected with hybrid pentane heater 17 tube-side inlet by pipeline, and pipeline is passed through in the outlet of hybrid pentane heater 17 tube side
It is connected with hybrid pentane inlet valve 16, hybrid pentane enters rectifying column B section 15 top 150-170 tower by hybrid pentane inlet valve 16
Disk；Rectifying column B section 15 top material connects the isopentane inlet valve 14 of rectifying column A section 13 by pipeline；Rectifying column A section 13 top
Isopentane connects rectifying tower top air cooler 12 entrance by pipeline, and rectifying tower top air cooler 12 outlet is returned with isopentane by pipeline
Stream tank 8 top connects；Isopentane reflux pump 7 entrance is connected with isopentane return tank 8 bottom, a part for isopentane return tank 8
Isopentane exports from isopentane reflux pump 7 and enters the 1st layer of tower tray of rectifying column A section 13, and another part isopentane is entered by pipeline
Isopentane treater 6, obtains high-purity isopentane 4 through 5A molecular sieve 5 adsorption refining；Rectifying column A section 13 materials at bottom of tower enters essence
Evaporate reflux in tower pump 24 entrance, rectification reflux in tower pump 24 exports through internal reflux control valve 22 and hybrid pentane preheater 18 shell
Journey entrance connects, and hybrid pentane preheater 18 shell-side outlet enters the 1st layer of 15 top of rectifying column B section tower tray by pipeline；Rectification
Tower B section 15 materials at bottom of tower enters hybrid pentane heater 17 shell side inlet, hybrid pentane heater 17 shell-side outlet by pipeline
It is connected with pentane pump 21 entrance through pentane pump stop valve 20, pentane pump 21 exports through pentane pump discharge control valve
26 are connected with pentane air cooler 27 entrance, and pentane air cooler 27 outlet is connected with pentane treater 3 entrance by pipeline,
Pentane obtains high-purity pentane 1 through 4A molecular sieve 2 adsorption refining.
Raw material hybrid pentane first passes through hybrid pentane preheater 18 and preheats, then heats entrance through hybrid pentane heater 17
Rectifying column B section 15.The rectification bottom reboiler 23 that heating agent 25 passes through rectifying column B section 15 provides heat for rectifying column B section 15.Isoamyl
The fixed gas 10 of alkane return tank 8 passes through fixed gas control valve 9 row's duct device Gas recovery system.
The raw material being 98% with hybrid pentane content passes through this hybrid pentane precision segregation apparatuss and separates, and obtains product：High-purity
Pentane, purity 99.54%, sulfur content 0.32ppm, moisture 31.28ppm, aromatic hydrocarbons 0；High-purity isopentane, purity 99.34%, sulfur contains
Amount 0.34ppm, moisture 36.6ppm, aromatic hydrocarbons 0. 71ppm.
The non-detailed portion of this utility model is prior art.
Claims (6)
1. a kind of hybrid pentane precision segregation apparatuss, including pentane treater（3）, 4A molecular sieve（2）, 5A molecular sieve（5）, different
Pentane treater（6）, isopentane reflux pump（7）, isopentane return tank（8）, fixed gas control valve（9）, isopentane backflow control
Valve（11）, rectifying tower top air cooler（12）, rectifying column A section（13）, isopentane inlet valve（14）, rectifying column B section（15）, mixing penta
Alkane inlet valve（16）, hybrid pentane heater（17）, hybrid pentane preheater（18）, pentane pump stop valve（20）, pentane
Pump（21）, internal reflux control valve（22）, rectification bottom reboiler（23）, rectification reflux in tower pump（24）, heating agent（25）, pentane
Pump discharge control valve（26）, pentane air cooler（27）And its supporting pipeline, valve, electrical instrumentation, it is characterized in that：Mixed
Close pentane (19) and hybrid pentane preheater is entered by pipeline（18）Tube-side inlet, hybrid pentane preheater（18）Tube side outlet is logical
Piping and hybrid pentane heater（17）Tube-side inlet connects, hybrid pentane heater（17）Tube side outlet by pipeline and mixes
Close pentane inlet valve（16）Connect, hybrid pentane is by hybrid pentane inlet valve（16）Enter rectifying column B section（15）Top 150-170
Tower tray；Rectifying column B section（15）Top material connects rectifying column A section by pipeline（13）Isopentane inlet valve（14）；Rectifying column A
Section（13）Top isopentane connects rectifying tower top air cooler by pipeline（12）Entrance, rectifying tower top air cooler（12）Outlet is passed through
Pipeline and isopentane return tank（8）Top connects；Isopentane reflux pump（7）Entrance and isopentane return tank（8）Bottom connects, different
Pentane return tank（8）A part of isopentane from isopentane reflux pump（7）Outlet enters rectifying column A section（13）1st layer of tower tray, separately
A part of isopentane enters isopentane treater by pipeline（6）, through 5A molecular sieve（5）Adsorption refining obtains high-purity isopentane
（4）；Rectifying column A section（13）Materials at bottom of tower enters rectification reflux in tower pump（24）Entrance, rectification reflux in tower pump（24）Outlet warp
Cross internal reflux control valve（22）With hybrid pentane preheater（18）Shell side inlet connects, hybrid pentane preheater（18）Shell-side outlet
Rectifying column B section is entered by pipeline（15）The 1st layer of top tower tray；Rectifying column B section（15）Materials at bottom of tower enters mixing by pipeline
Pentane heater（17）Shell side inlet, hybrid pentane heater（17）Shell-side outlet is through pentane pump stop valve（20）With positive penta
Alkane pump（21）Entrance connects, pentane pump（21）Outlet is through pentane pump discharge control valve（26）With pentane air cooler（27）
Entrance connects, pentane air cooler（27）Outlet is by pipeline and pentane treater（3）Entrance connects, and pentane divides through 4A
Son sieve（2）Adsorption refining obtains high-purity pentane（1）.
2. hybrid pentane precision segregation apparatuss according to claim 1, is characterized in that：Rectifying column A section（13）With rectifying column B
Section（15）Internal structure, tray type are consistent, are tongue shape float valve tray, or regular rustless steel ripple packing, effective tower tray number
For 110-150.
3. hybrid pentane precision segregation apparatuss according to claim 1, is characterized in that：Pentane treater（3）And isoamyl
Alkane treater（6）Physical dimension is：Diameter phi 500mm ~ φ 1500mm, high 5000mm ~ 20000mm.
4. hybrid pentane precision segregation apparatuss according to claim 1, is characterized in that：Raw material hybrid pentane be first pass through mixed
Close pentane preheater（18）Preheating, then through hybrid pentane heater（17）Heating enters rectifying column B section（15）.
5. hybrid pentane precision segregation apparatuss according to claim 1, is characterized in that：Heating agent（25）By rectifying column B section
（15）Rectification bottom reboiler（23）For rectifying column B section（15）Heat is provided.
6. hybrid pentane precision segregation apparatuss according to claim 1, is characterized in that：Isopentane return tank（8）Do not coagulate
Gas（10）By fixed gas control valve（9）Row's duct device Gas recovery system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620642139.0U CN205974317U (en) | 2016-06-27 | 2016-06-27 | Mix accurate separator of pentane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620642139.0U CN205974317U (en) | 2016-06-27 | 2016-06-27 | Mix accurate separator of pentane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205974317U true CN205974317U (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620642139.0U Expired - Fee Related CN205974317U (en) | 2016-06-27 | 2016-06-27 | Mix accurate separator of pentane |
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| Country | Link |
|---|---|
| CN (1) | CN205974317U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105949026A (en) * | 2016-06-27 | 2016-09-21 | 河南中托力合化学有限公司 | Mixed pentane precise separation device |
-
2016
- 2016-06-27 CN CN201620642139.0U patent/CN205974317U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105949026A (en) * | 2016-06-27 | 2016-09-21 | 河南中托力合化学有限公司 | Mixed pentane precise separation device |
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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: 20170222 Termination date: 20180627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |