CN206121755U - Device for preparing isobutylene by pyrolyzing MTBE (methyl tertiary butyl ether) - Google Patents
Device for preparing isobutylene by pyrolyzing MTBE (methyl tertiary butyl ether) Download PDFInfo
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- CN206121755U CN206121755U CN201621079426.1U CN201621079426U CN206121755U CN 206121755 U CN206121755 U CN 206121755U CN 201621079426 U CN201621079426 U CN 201621079426U CN 206121755 U CN206121755 U CN 206121755U
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- distillation still
- service tank
- feed tube
- stills
- rose box
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Abstract
The utility model relates to a device for preparing isobutylene by pyrolyzing MTBE (methyl tertiary butyl ether), include stills and the raw materials service tank of being connected with stills, vacuum pumping system is connected at stills's top, vacuum pumping system includes the exhaust tube of being connected with the stills top, exhaust tube end connection aspiration pump, be convenient for the raw materials service tank to stills autoloading, the risk of gas leakage has been reduced, and be equipped with the rose box on the exhaust tube, be equipped with the filter core in the rose box, the bottom of rose box is equipped with filtrating and collects the chamber, the chamber is collected through the inner chamber intercommunication of circulation feed liquor pipe with stills to filtrating, the liquid hydrops that filters back formation flows in filtrating and collects in the chamber, then, raw materials in the raw materials service tank is collected in the chamber that the hydrops of collecting the intracavity to filtrating washes and is entered into further processing in the stills through circulation feed liquor pipe to filtrating by the suction of second power pump, the reaction, neither can cause the extravagant mesh that has also reached supplementary confession liquid of raw materials.
Description
Technical field
The utility model is related to a kind of isobutene manufacturing equipment, and a kind of especially methyl tertiary butyl ether(MTBE) cracking prepares isobutene
Device.
Background technology
Methyl tertiary butyl ether(MTBE) is a kind of high-knock rating gasoline additive, and chemical oxygen content is much lower compared with methyl alcohol, beneficial to warming up
With save fuel, evaporation latent heat is low, favourable to cold start-up, is usually used in the blending of unleaded gas and low lead oil, it is also possible to split again
Solve as isobutene, used as rubber and the raw material of other chemical products, it is conventional different that methyl tertiary butyl ether(MTBE) cracking prepares isobutene
Butylene production method, when methyl tertiary butyl ether(MTBE) ether solution prepares isobutene, charging is cumbersome, is opening distillation still feed
When, the reaction temperature inside distillation still is easily had influence on, and will also result in the leakage of the isobutene gas in distillation still, isobutene
Gas belongs to inflammable, toxic gas, and the raw material supply problems demand of isobutene gas is improved, and in methyl tertiary butyl ether(MTBE) ether solution
When, non-interruptible supply acid solution is needed, the supply of acid solution in present equipment there is also problem.
Utility model content
The purpose of this utility model be in order to solve prior art in isobutene production process raw material supply it is existing
Problem, there is provided a kind of methyl tertiary butyl ether(MTBE) cracking prepares isobutene device.
To achieve these goals, the technical solution adopted in the utility model is：
A kind of methyl tertiary butyl ether(MTBE) cracking prepares isobutene device, including distillation still and the raw material that is connected with distillation still are supplied
To case, the top connection pumped vacuum systems of distillation still, pumped vacuum systems includes the exhaust tube being connected with distillation still top, exhaust tube
End connects aspiration pump, and exhaust tube is provided with Rose Box, and filtration core is provided with Rose Box, and the bottom of Rose Box is provided with filtrate collection
Chamber, filtrate collection chamber passes through the inner space of circulation feed tube and the distillation still;
The side of Rose Box bottom is provided with the liquid feed valve being connected with filtrate collection chamber, and liquid feed valve is by rinsing feed tube and institute
The bottom connection of raw material service tank is stated, raw material service tank connected by feed tube with the distillation still, the is provided with feed tube
One kinetic pump, the flushing feed tube is provided with the second kinetic pump；
The side of the raw material service tank is provided with acid solution service tank, and the side of acid solution service tank is entered by acidity
Liquid pipe is connected with the distillation still, and the opposite side of acid solution service tank is connected by acid flush pipe with the flushing feed tube
Connect.
A kind of above-mentioned methyl tertiary butyl ether(MTBE) cracking prepares isobutene device, in the acid flush pipe and flushing feed tube
It is equipped with choke valve.
A kind of above-mentioned methyl tertiary butyl ether(MTBE) cracking prepares isobutene device, and the distillation still includes inner bag and outer courage, interior
The disk of courage and outer courage is provided with electrothermal tube.
A kind of above-mentioned methyl tertiary butyl ether(MTBE) cracking prepares isobutene device, and isobutene row is provided with the top of the distillation still
Outlet, in isobutene outlet unidirectional air outlet valve is provided with.
The beneficial effects of the utility model are：The top connection pumped vacuum systems of the device distillation still, pumped vacuum systems bag
The exhaust tube being connected with distillation still top is included, pumping tube end connection aspiration pump is taken out the air in distillation still by aspiration pump
Go out, so as under negative pressure, be easy to raw material service tank to distillation still self-feeding, without the need for opening distillation still feed is carried out, reduce
The risk of gas leakage, and exhaust tube is provided with Rose Box, and filtration core is provided with Rose Box, and the bottom of Rose Box is provided with filtrate
Collecting chamber, filtrate collection chamber is included by circulation feed tube and the inner space of distillation still in the gas being extracted in distillation still
Steam state material filtered by filtration core, after filtration formed liquid hydrops be flowed in filtrate collection chamber, now, raw material service tank
In raw material is pumped in filtrate collection chamber by the second kinetic pump the hydrops in filtrate collection chamber is rinsed and by circulation
Feed tube enters in distillation still and is processed further, reacts, and has not both resulted in wastage of material or has reached the purpose of auxiliary feed flow,
For the ease of supplying acid solution to distillation still, the side of raw material service tank is provided with acid solution service tank, acid solution service tank
Side is connected by acid feed tube with distillation still, and the opposite side of acid solution service tank passes through acid flush pipe and rinses feed liquor
Pipe connects, and on acid flush pipe and flushing feed tube choke valve is equipped with, and when rinsing to filtrate collection chamber, can periodically close
The choke valve rinsed on feed tube, opens the choke valve in acid flush pipe, reaches and periodically supplies the purpose of acid solution to distillation still,
And acid solution can play the purpose of depth wash filtrate collecting chamber, the problem of blocking is prevented.
Description of the drawings
Fig. 1 is schematic diagram of the present utility model.
Specific embodiment
As shown in figure 1, a kind of methyl tertiary butyl ether(MTBE) cracking prepares isobutene device, including distillation still 1 and and distillation still
The raw material service tank 2 of 1 connection, the top connection pumped vacuum systems of distillation still 1, pumped vacuum systems includes connecting with the top of distillation still 1
The exhaust tube 3 for connecing, the end of exhaust tube 3 connection aspiration pump 4, exhaust tube 3 is provided with Rose Box 5, Rose Box 5 and is provided with filtration core 6,
The bottom of Rose Box 5 is provided with filtrate collection chamber 7, and filtrate collection chamber 7 is by circulation feed tube 8 and the inner space of distillation still 1;
The side of the bottom of Rose Box 5 is provided with the liquid feed valve being connected with filtrate collection chamber 7, and liquid feed valve is by rinsing feed tube 9
It is connected with the bottom of raw material service tank 2, raw material service tank 2 is connected by feed tube 10 with distillation still 1, is provided with feed tube 10
First kinetic pump 11, rinses feed tube 9 and is provided with the second kinetic pump 12.
Further, for the ease of controlling the reaction preference temperature of distillation still 1, distillation still 1 includes inner bag and outer courage, inner bag and
The disk of outer courage is provided with electrothermal tube 13, and the top of distillation still 1 is provided with isobutene outlet, is provided with unidirectionally to go out in isobutene outlet
Air valve 14.
The top connection pumped vacuum systems of the distillation still of the equipment, pumped vacuum systems includes what is be connected with the top of distillation still 1
Exhaust tube 3, the end of exhaust tube 3 connection aspiration pump 4, is extracted out the air in distillation still 1 by aspiration pump 4, so as under negative pressure,
It is easy to raw material service tank 2 to the self-feeding of distillation still 1, without the need for opening distillation still 1 feed is carried out, reduces the wind of gas leakage
Danger, and exhaust tube 3 is provided with Rose Box 5, and Rose Box 5 is interior to be provided with filtration core 6, and the bottom of Rose Box 5 is provided with filtrate collection chamber
7, filtrate collection chamber 7 is included by circulation feed tube 8 and the inner space of distillation still 1 in the gas being extracted in distillation still 1
Steam state material is filtered by filtration core 6, and the liquid hydrops formed after filtration is flowed in filtrate collection chamber 7, now, raw material service tank
Raw material in 2 is pumped in filtrate collection chamber 7 by the second kinetic pump 12 and the hydrops in filtrate collection chamber 7 is rinsed and is passed through
Circulation feed tube 8 enters into and is processed further, reacts in distillation still 1, has not both resulted in wastage of material or has reached auxiliary feed flow
Purpose.
Further, for the ease of supplying acid solution to distillation still 1, the side of raw material service tank 2 is provided with acid solution service tank
15, the side of acid solution service tank 15 is connected by acid feed tube 16 with distillation still 1, acid solution service tank 15 it is another
Side is connected by acid flush pipe 17 with feed tube 9 is rinsed, and on acid flush pipe 17 and flushing feed tube 9 choke valve is equipped with
18, when rinsing to filtrate collection chamber 7, the choke valve 18 rinsed on feed tube 9 can be periodically closed, open acid flush pipe 17
On choke valve 18, reach and periodically supply the purpose of acid solution to distillation still 1, and acid solution can play the collection of depth wash filtrate
The purpose in chamber 7, prevents the problem of blocking.
The utility model is not limited to above-mentioned preferred forms, and anyone can draw under enlightenment of the present utility model
Other various forms of products, however, make any change in its shape or structure, it is every with same as the present application or phase
Approximate technical scheme, all falls within protection domain of the present utility model.
Claims (4)
1. a kind of methyl tertiary butyl ether(MTBE) cracking prepares isobutene device, including distillation still and the raw material supply that is connected with distillation still
Case, it is characterised in that the top connection pumped vacuum systems of distillation still, pumped vacuum systems includes the pumping being connected with distillation still top
Pipe, pumping tube end connection aspiration pump, exhaust tube is provided with Rose Box, filtration core is provided with Rose Box, and the bottom of Rose Box sets
There is filtrate collection chamber, filtrate collection chamber passes through the inner space of circulation feed tube and the distillation still;
The side of Rose Box bottom is provided with the liquid feed valve being connected with filtrate collection chamber, and liquid feed valve is by rinsing feed tube and the original
The bottom connection of material service tank, raw material service tank is connected by feed tube with the distillation still, first is provided with feed tube and is moved
Power pump, the flushing feed tube is provided with the second kinetic pump；
The side of the raw material service tank is provided with acid solution service tank, and the side of acid solution service tank is by acid feed tube
It is connected with the distillation still, the opposite side of acid solution service tank is connected by acid flush pipe with the flushing feed tube.
2. a kind of methyl tertiary butyl ether(MTBE) cracking according to claim 1 prepares isobutene device, it is characterised in that described
Choke valve is equipped with acid flush pipe and flushing feed tube.
3. a kind of methyl tertiary butyl ether(MTBE) cracking according to claim 1 prepares isobutene device, it is characterised in that described
Distillation still includes that inner bag and the disk of outer courage, inner bag and outer courage are provided with electrothermal tube.
4. a kind of methyl tertiary butyl ether(MTBE) cracking according to claim 1 prepares isobutene device, it is characterised in that described
Isobutene outlet is provided with the top of distillation still, in isobutene outlet unidirectional air outlet valve is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621079426.1U CN206121755U (en) | 2016-09-26 | 2016-09-26 | Device for preparing isobutylene by pyrolyzing MTBE (methyl tertiary butyl ether) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621079426.1U CN206121755U (en) | 2016-09-26 | 2016-09-26 | Device for preparing isobutylene by pyrolyzing MTBE (methyl tertiary butyl ether) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206121755U true CN206121755U (en) | 2017-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621079426.1U Active CN206121755U (en) | 2016-09-26 | 2016-09-26 | Device for preparing isobutylene by pyrolyzing MTBE (methyl tertiary butyl ether) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206121755U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110204409A (en) * | 2018-08-31 | 2019-09-06 | 住友化学株式会社 | The manufacturing device of isobutene and the manufacturing method of isobutene |
-
2016
- 2016-09-26 CN CN201621079426.1U patent/CN206121755U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110204409A (en) * | 2018-08-31 | 2019-09-06 | 住友化学株式会社 | The manufacturing device of isobutene and the manufacturing method of isobutene |
| CN110204409B (en) * | 2018-08-31 | 2020-05-05 | 住友化学株式会社 | Apparatus for producing isobutylene and method for producing isobutylene |
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