CN205676394U - MTBE device hot and cold stream feed system - Google Patents
MTBE device hot and cold stream feed system Download PDFInfo
- Publication number
- CN205676394U CN205676394U CN201620615967.5U CN201620615967U CN205676394U CN 205676394 U CN205676394 U CN 205676394U CN 201620615967 U CN201620615967 U CN 201620615967U CN 205676394 U CN205676394 U CN 205676394U
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- carbon
- pipeline
- tower
- surge tank
- feed
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Abstract
The utility model relates to a kind of MTBE device hot and cold stream feed system.Mainly solve the not anti-carbon four of existing gas separation unit to the problem of the energy dissipation in MTBE fill process.It is characterized in that: pipeline at the bottom of described depropanizing tower (2) tower connects input and output material heat exchanger (1) after triple valve (8), a part connects carbon four cooler (3), carbon four cooler (3) discharging pipeline connects carbon four surge tank (4), and a part is directly connected to carbon four cooler (3) discharging pipeline by newly-increased pipeline and enters carbon four surge tank (4)；Connecting carbon four feed pump (5), feed preheater (6) on pipeline at the bottom of described carbon four surge tank (4) tank, pipeline at the bottom of described feed preheater (6) tower connects pre-methyltertiarvbutyl ether reactor (7)；It is connected to thermocouple on pipeline at the bottom of feed preheater (6) tower.This MTBE device hot and cold stream feed system, feeds to MTBE device by the way of using hot and cold stream, reduces energy loss in material conveying process.
Description
Technical field
The utility model relates to a kind of feed system in technical field of petrochemical industry, and particularly a kind of MTBE device is cold and hot
Stream feed system.
Background technology
Petrochemical plant production liquefied gas is after gas separation unit separation, and not anti-carbon four temperature at the bottom of depropanizing tower is high, needs
Through subcooler cooling, enter into carbon four head tank, after the heating of MTBE feed preheater, enter pre-ether again with after pumped
Change reactor.During be cooled with circulating water, again with thermal source heating, per hour consume steam 0.5 ton, monthly can save steam 360
Ton, so there is bigger energy waste phenomenon in former flow process.
Content of the invention
Technical problem to be solved in the utility model is to overcome the not anti-carbon four of gas separation unit present in background technology
To the problem of the energy dissipation in MTBE fill process, and providing a kind of MTBE device hot and cold stream feed system, this MTBE fills
Putting hot and cold stream feed system, feeding to MTBE device by the way of using hot and cold stream, it is unnecessary to reduce in material conveying process
Take heat and the energy loss that causes of heating.
The invention for solving the technical problem can reach by following technical solution: the charging of this MTBE device hot and cold stream is
System, including depropanizing tower, methyltertiarvbutyl ether reactor, at the bottom of described depropanizing tower tower, pipeline connection input and output material heat exchanger is after triple valve,
A part connects carbon four cooler, and carbon four cooler discharging pipeline connects carbon four surge tank, and a part is direct by newly-increased pipeline
It is connected to carbon four cooler discharging pipeline and enter carbon four surge tank；On pipeline at the bottom of described carbon four surge tank tank connect carbon four feed pump,
Feed preheater, pipeline at the bottom of described feed preheater tower connects pre-methyltertiarvbutyl ether reactor；It is connected to heat on pipeline at the bottom of feed preheater tower
Galvanic couple.
The utility model can have the advantages that this compared with above-mentioned background technology MTBE device is cold and hot and flow to
Material system, MTBE device uses hot and cold stream charging, and by the mode of carbon four part cooling, thus reduce need not in material conveying process
That wants takes heat and heats the energy loss causing, and had both saved cooling water, and had saved again steam.
Brief description
Accompanying drawing 1 is system architecture schematic diagram of the present utility model.
In figure: 1-input and output material heat exchanger, 2-depropanizing tower, 3-carbon four cooler, 4-carbon four surge tank, 5-carbon four feeds
Pump, 6-feed preheater, the pre-methyltertiarvbutyl ether reactor of 7-, 8-triple valve.
Detailed description of the invention:
The utility model is described in further detail below in conjunction with the accompanying drawings:
As shown in Figure 1, this MTBE device hot and cold stream feed system, including depropanizing tower the 2nd, methyltertiarvbutyl ether reactor 7, described
At the bottom of depropanizing tower 2 tower, pipeline connection input and output material heat exchanger 1 is after triple valve 8, and a part connects carbon four cooler 3, and carbon four is cold
But device 3 discharging pipeline connects carbon four surge tank 4, and a part is directly connected to carbon four cooler 3 discharging pipeline by newly-increased pipeline
Enter carbon four surge tank 4；Connecting carbon four feed pump the 5th, feed preheater 6 on pipeline at the bottom of described carbon four surge tank 4 tank, described charging is pre-
Pipeline at the bottom of hot device 6 tower connects pre-methyltertiarvbutyl ether reactor 7；It is connected to thermocouple on pipeline at the bottom of feed preheater 6 tower；Described carbon four surge tank
Pressure gauge is connected on 4；The valve opening of described triple valve 8 and pre-methyltertiarvbutyl ether reactor 7 feeding temperature thermocouple bunch grade adjustment.
When this MTBE device hot and cold stream feed system uses, changed through input and output material heat exchanger by the carbon four coming at the bottom of depropanizing tower
After Re, through triple valve, a part enters carbon four cooler, and the newly-increased pipeline through increasing for the another part is directly entered carbon four buffering
Tank, three-way valve aperture and reactor feed temperature T2 bunch grade adjustment, can control the temperature of T2 according to technological requirement, without
Want steam heated, monitor the pressure on carbon four surge tank simultaneously；Another part material enters after the cooling of carbon four cooler
Carbon four surge tank.So can turn down quantity of circulating water, reach to save the purpose of recirculated water.This utility model technological invention, a side
Face can disable an equipment, i.e. pre-etherification reaction feed preheater, saves steam；Also save substantial amounts of in the winter time simultaneously
Recirculated water.
Claims (2)
1. a MTBE device hot and cold stream feed system, including depropanizing tower (2), methyltertiarvbutyl ether reactor (7), it is characterised in that: institute
Stating at the bottom of depropanizing tower (2) tower pipeline and connecting input and output material heat exchanger (1) after triple valve (8), a part connects carbon four cooler
(3), carbon four cooler (3) discharging pipeline connects carbon four surge tank (4), and it is cold that a part is directly connected to carbon four by newly-increased pipeline
But device (3) discharging pipeline enters carbon four surge tank (4)；Connection carbon four feed pump (5) on pipeline at the bottom of described carbon four surge tank (4) tank,
Feed preheater (6), pipeline at the bottom of described feed preheater (6) tower connects pre-methyltertiarvbutyl ether reactor (7)；At the bottom of feed preheater (6) tower
It is connected to thermocouple on pipeline.
2. MTBE device hot and cold stream feed system according to claim 1, it is characterised in that: described carbon four surge tank (4)
Upper connection Pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620615967.5U CN205676394U (en) | 2016-06-21 | 2016-06-21 | MTBE device hot and cold stream feed system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620615967.5U CN205676394U (en) | 2016-06-21 | 2016-06-21 | MTBE device hot and cold stream feed system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205676394U true CN205676394U (en) | 2016-11-09 |
Family
ID=57431168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620615967.5U Expired - Fee Related CN205676394U (en) | 2016-06-21 | 2016-06-21 | MTBE device hot and cold stream feed system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205676394U (en) |
-
2016
- 2016-06-21 CN CN201620615967.5U patent/CN205676394U/en not_active Expired - Fee Related
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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: 20161109 Termination date: 20170621 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |