CN206256007U - One kind is by dehydrogenation of isopropanol acetone device - Google Patents
One kind is by dehydrogenation of isopropanol acetone device Download PDFInfo
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- CN206256007U CN206256007U CN201621209883.8U CN201621209883U CN206256007U CN 206256007 U CN206256007 U CN 206256007U CN 201621209883 U CN201621209883 U CN 201621209883U CN 206256007 U CN206256007 U CN 206256007U
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Abstract
The utility model is related to one kind of chemical technology field by dehydrogenation of isopropanol acetone device, it is main by azeotropic thing basin, pump, gas-solid two phases device, combustion reaction stove, aeration tower, crude acetone basin, fluid level control valve, lights column, groove A, acetone accumulator tank, heavy constituent knockout tower, groove B, pure acetone basin, azeotropic thing import, flue gas outlet, coiled pipe, catalyst, fuel gas inlet, acetone gas is exported, dry hydrogen outlet, triethylene glycol import, wet hydrogen import, triethylene glycol is exported, light fraction outlet, heavy constituent import, 45 ° of baffle plates, horizontal baffle and isopropyl alcohol outlet are constituted, it is characterized in that：Azeotropic thing basin is connected with pump and combustion reaction stove；The hydrogen that gas-solid two phases device is isolated flows to aeration tower, and crude acetone flows to crude acetone basin；Crude acetone basin is connected with lights column, groove A, acetone accumulator tank, heavy constituent knockout tower, groove B and pure acetone basin successively.
Description
Technical field
The utility model is related to one kind of chemical technology field by dehydrogenation of isopropanol acetone device.
Background technology
Acetone, also referred to as dimethyl ketone, are simplest ketone in saturated fat ketone series.Acetone is a kind of important dissolving
Raw material, can be miscible with many heavy substances such as water, methyl alcohol, ethanol, ether；Acetone is widely used in acetate fiber, spray as solvent
In the industries such as paint, chemical industry.Point out that the method for making acetone mainly has in pertinent literature：Amylo process, propylene hydration Cheng Yi
Propyl alcohol, then through catalytic dehydrogenation or catalytic oxidation, cumene oxidation Hydrolyze method, propylene again catalyst liquid phase oxidation.Isopropyl
Alcohol degassing acetone reaction mechanism processed is the gas solid catalytic reaction carried out under dehydrogenation, because the reaction is the endothermic reaction, therefore
Needed during catalysis it is extraneous heat is provided to promote the α-H in isopropanol molecule to spin off, reaction mixture gas and raw material
Gas-liquid separator separates are sent into after gas heat exchange, cooling absorption tower absorbs uncooled acetone, and isolates hydrogen, and that isolates is thick
Acetone goes ketone fractionator rectifying to obtain pure acetone, and bottoms goes isopropanol rectifying column to reclaim isopropanol and is recycled to degassing reaction
Device.
The content of the invention
The utility model purpose is to produce the efficiency and purity of acetone, there is provided one kind is by dehydrogenation of isopropanol acetone
Device, is processed using various handling process, effectively improves the production efficiency and purity of acetone.
The technical scheme that the utility model is used is：
The utility model is a kind of by dehydrogenation of isopropanol acetone device, mainly by azeotropic thing basin, pump, gas-solid two
Phase separator, combustion reaction stove, aeration tower, crude acetone basin, fluid level control valve, lights column, groove A, acetone accumulator tank, weight
Component seperation tower, groove B, pure acetone basin, the import of azeotropic thing, flue gas outlet, coiled pipe, catalyst, fuel gas
Import, the outlet of acetone gas, dry hydrogen outlet, triethylene glycol import, wet hydrogen import, triethylene glycol outlet, light fraction outlet, heavy constituent
Import, 45 ° of baffle plate, horizontal baffle and isopropyl alcohol outlet compositions.The azeotropic thing basin and pump and combustion reaction stove phase
Even；The hydrogen that gas-solid two phases device is isolated flows to aeration tower, and crude acetone flows to crude acetone basin；Crude acetone basin successively with
Lights column, groove A, acetone accumulator tank, heavy constituent knockout tower, groove B are connected with pure acetone basin.Isopropyl in combustion reaction stove
Alcohol azeotropic stream is threaded a pipe using snake form design；Catalyst is positioned in coiled pipe；Fuel gas enters from bottom incoming fuel gas
Mouthful, flowed out from flue gas outlet by the flue gas after burning.6 layers of circular hole baffle plate are provided with aeration tower, per adjacent two layers baffle plate
Interior circular hole is connected using dislocation.5 pieces of baffle plates are provided with heavy constituent knockout tower altogether, one piece of 45 ° of gear is provided with heavy constituent import
Plate simultaneously uses 45 ° of inclined designs, and remaining 4 pieces of horizontal baffle uses staged level design；Groove A is two identical with groove B
Groove, Main Function be condensation acetone.
Advantage of the present utility model：Change the structure of flow path device while producing acetone using dehydrogenation of isopropanol, can be with
The effective combined coefficient and purity for improving acetone.
Brief description of the drawings
Fig. 1 is the utility model a kind of by dehydrogenation of isopropanol acetone device into product schematic flow sheet.
Fig. 2 is the structural representation of combustion reaction stove in Fig. 1.
Fig. 3 is the structural representation of aeration tower in Fig. 1.
Fig. 4 is the structural representation of heavy constituent knockout tower in Fig. 1.
In figure：1. azeotropic thing basin, 2. pump, 3. gas-solid two phases device, 4. combustion reaction stove, 5. aeration tower,
6. crude acetone basin, 7. fluid level control valve, 8. lights column, 9. groove A, 10. acetone accumulator tank, 11. heavy constituent knockout towers,
12. groove B, 13. pure acetone basins, 14. azeotropic thing imports, 15. flue gas outlets, 16. coiled pipes, 17. catalyst,
18. fuel gas inlets, the outlet of 19. acetone gas, 20. dry hydrogen outlets, 21. triethylene glycol imports, 22. wet hydrogen imports, 23. 3 is sweet
Alcohol outlet, 24. light fraction outlets, 25. heavy constituent imports, 26.45 ° of baffle plates, 27. horizontal baffles, 28. isopropyl alcohol outlets.
Specific embodiment
The utility model is described further below in conjunction with the accompanying drawings.
As shown in figure 1, the utility model one kind is by dehydrogenation of isopropanol acetone device, mainly by azeotropic thing basin
1st, pump 2, gas-solid two phases device 3, combustion reaction stove 4, aeration tower 5, crude acetone basin 6, fluid level control valve 7, lights column 8,
Groove A9, acetone accumulator tank 10, heavy constituent knockout tower 11, groove B12, pure acetone basin 13, the import 14, cigarette of azeotropic thing
The outlet 15, coiled pipe 16 of road gas, catalyst 17, fuel gas inlet 18, the outlet 19, dry hydrogen outlet 20, triethylene glycol of acetone gas are entered
The outlet 23, light fraction outlet 24 of mouth 21, wet hydrogen import 22, triethylene glycol, heavy constituent import 25,45 ° of baffle plates 26, horizontal baffles 27
Constituted with isopropyl alcohol outlet 28.The azeotropic thing basin 1 is connected with pump 2 and combustion reaction stove 4；Gas-solid two phases device
3 hydrogen isolated flow to aeration tower 5, and crude acetone flows to crude acetone basin 6；Crude acetone basin 6 successively with lights column 8, receive
Groove A9, acetone accumulator tank 10, heavy constituent knockout tower 11, groove B12 are connected with pure acetone basin 13.As shown in Figure 1, Figure 2, Fig. 3, Fig. 4
Shown, the process of specific dehydrogenation of isopropanol acetone is：Azeotropic thing enters after pump 2 pressurizes with three heat exchangers first
Enter combustion reaction stove 4 from azeotropic thing import 14 after row heat exchange, isopropanol flows from top to bottom along coiled pipe 16,
Acetone is generated in the presence of catalyst 17, unreacted isopropanol is also contained in product.Reaction mixture gas exchange heat cold with unstripped gas
Enter gas-solid two phases device 3 after solidifying, in the interior Hydrogen Separation that will be disengaged from out of gas-solid two phases device 3 out, the hydrogen isolated
Gas enters aeration tower 5 from wet hydrogen import 22, and triethylene glycol enters aeration tower 5 from triethylene glycol import 21, and both inversely contact, and three is sweet
Alcohol absorbs the water in hydrogen, and aeration tower 5 is flowed out from dry hydrogen outlet 20 by the hydrogen after absorption water.From gas-solid two phases device 3
The isopropanol of bottom outflow and the mixture of acetone flow to after crude acetone basin 6 and are delivered to lights column 8 and isolate mixing together
Light component in thing, light component is delivered to acetone accumulator tank 10 after groove A9 is condensed into liquid and reclaims the acetone being condensed out,
Heavy constituent knockout tower 11 is delivered to together with the mixture that the acetone of recovery flows out with the bottom of lights column 8 isolate isopropanol and third
Ketone, the isopropanol isopropyl alcohol outlet 28 isolated flows out to recycling；The acetone isolated generates pure after being condensed through groove B12
Acetone, pure acetone is delivered to pure acetone basin 13 and stores, i.e., dehydrogenation of isopropanol acetone process terminates.
Claims (5)
1. one kind is by dehydrogenation of isopropanol acetone device, mainly by azeotropic thing basin (1), pump (2), gas-solid two phases
Device (3), combustion reaction stove (4), aeration tower (5), crude acetone basin (6), fluid level control valve (7), lights column (8), groove A
(9), acetone accumulator tank (10), heavy constituent knockout tower (11), groove B (12), pure acetone basin (13), azeotropic thing import
(14), flue gas outlet (15), coiled pipe (16), catalyst (17), fuel gas inlet (18), acetone gas outlet (19), dry hydrogen
Gas outlet (20), triethylene glycol import (21), wet hydrogen import (22), triethylene glycol outlet (23), light fraction outlet (24), heavy constituent
Import (25), 45 ° of baffle plate (26), horizontal baffle (27) and isopropyl alcohol outlet (28) compositions, it is characterised in that：Azeotropic thing
Basin (1) is connected with pump (2) and combustion reaction stove (4)；The hydrogen that gas-solid two phases device (3) is isolated flows to aeration tower (5),
Crude acetone flows to crude acetone basin (6)；Crude acetone basin (6) successively with lights column (8), groove A (9), acetone accumulator tank
(10), heavy constituent knockout tower (11), groove B (12) are connected with pure acetone basin (13).
2. one kind according to claim 1 is by dehydrogenation of isopropanol acetone device, it is characterised in that：Combustion reaction stove (4)
Interior azeotropic logistics is threaded a pipe using snake form design；Catalyst (17) is positioned in coiled pipe (16)；Fuel gas is the bottom of from
Portion's incoming fuel gas import (18), flows out by the flue gas after burning from flue gas outlet (15).
3. one kind according to claim 1 is by dehydrogenation of isopropanol acetone device, it is characterised in that：Set in aeration tower (5)
There are 6 layers of circular hole baffle plate, be connected using dislocation per the circular hole in adjacent two layers baffle plate.
4. one kind according to claim 1 is by dehydrogenation of isopropanol acetone device, it is characterised in that：Heavy constituent knockout tower
(11) 5 pieces of baffle plates are provided with altogether, one piece of 45 ° of baffle plate (26) are provided with heavy constituent import (25) place and are used 45 ° of inclined designs, its
The 4 pieces of horizontal baffles (27) that remaining use staged level design.
5. one kind according to claim 1 is by dehydrogenation of isopropanol acetone device, it is characterised in that：Groove A (9) and groove
B (12) is two identical grooves, and Main Function is condensation acetone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621209883.8U CN206256007U (en) | 2016-11-10 | 2016-11-10 | One kind is by dehydrogenation of isopropanol acetone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621209883.8U CN206256007U (en) | 2016-11-10 | 2016-11-10 | One kind is by dehydrogenation of isopropanol acetone device |
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| Publication Number | Publication Date |
|---|---|
| CN206256007U true CN206256007U (en) | 2017-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621209883.8U Expired - Fee Related CN206256007U (en) | 2016-11-10 | 2016-11-10 | One kind is by dehydrogenation of isopropanol acetone device |
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| Country | Link |
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| CN (1) | CN206256007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110627625A (en) * | 2019-09-19 | 2019-12-31 | 宜宾海丰和锐有限公司 | Recycling method of ketazine hydrazine hydrate byproduct isopropanol |
-
2016
- 2016-11-10 CN CN201621209883.8U patent/CN206256007U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110627625A (en) * | 2019-09-19 | 2019-12-31 | 宜宾海丰和锐有限公司 | Recycling method of ketazine hydrazine hydrate byproduct isopropanol |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170616 Termination date: 20171110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |