CN208732972U - It is a kind of suitable for cyclohexanol production from backheat energy saver - Google Patents
It is a kind of suitable for cyclohexanol production from backheat energy saver Download PDFInfo
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- CN208732972U CN208732972U CN201821289604.2U CN201821289604U CN208732972U CN 208732972 U CN208732972 U CN 208732972U CN 201821289604 U CN201821289604 U CN 201821289604U CN 208732972 U CN208732972 U CN 208732972U
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- cyclohexanol
- reboiler
- outlet
- rectifying column
- compression machine
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
It is a kind of suitable for cyclohexanol production from backheat energy saver, described device includes rectifying column, cyclohexanol vapour compression machine, reboiler, condenser, the cyclohexanol finished pot that side lower part is provided with thick cyclohexanol liquid inlet, the cyclohexanol steam wherein produced at the top of rectifying column is connected with cyclohexanol vapour compression machine entrance, the outlet of cyclohexanol vapour compression machine is connected with the heating source inlet of reboiler, the thermal source outlet of reboiler is connected with condenser inlet, and the outlet of condenser is connected with smart cyclohexanol finished pot；The cyclohexanol gas phase import of the material vaporization outlet access rectifying column lower part of reboiler, the phegma outlet of rectifier bottoms are connected with the fluid inlet of reboiler.Utility model has the advantages that heat enthalpy value can be improved the smart cyclohexanol steam that the top of the distillation column is discharged after compressor compresses, the heat source as reboiler greatly reduces the consumption of middle pressure steam, reduces production cost, has significant economic benefit.
Description
Technical field
The utility model belongs to energy saving of chemical industry field, particularly relate to it is a kind of suitable for cyclohexanol production from backheat
Energy saver.
Background technique
Cyclohexanol, molecular formula C6H12O, molecular weight 100.16,25.2 DEG C of fusing point, 161 DEG C of boiling point, density (20/4 DEG C)
0.9624g/cm3, index of refraction 1.4641, clear crystal or liquid haveCamphorWithFusel oilSmell, have a hygroscopicity, easy firing,
Slightly be dissolved in water, be dissolved in ethyl alcohol, ether, benzene, carbon disulfide, ethyl acetate and turpentine oil etc., be mainly used as organic synthesis raw material and
Solvent etc..
In cyclohexanol production technique, it is cyclohexanol production that distillation system, which is the key operating units for guaranteeing product quality,
The maximum process of energy consumption, and influence the principal element of production cost, therefore, using energy-saving technological measure, reduce essence
System energy consumption is evaporated, is the important link in a whole set of cyclohexanol device.
Distillation process in traditional cyclohexanol production are as follows: the smart cyclohexanol steam of the top of the distillation column extraction need to use a large amount of coolings
Water becomes liquid essence cyclohexanol finished product through heat exchanger condensation, and smart cyclohexanol steam heat enthalpy at this time is very high, exchanges heat through cooling water
This partial heat energy also lost in vain afterwards, while the cooling water temperature after also needing to exchange heat, and could be recycled, and consume
Electric energy.
Summary of the invention
The purpose of this utility model be exactly the shortcoming being directed in the presence of the above-mentioned prior art and one kind is provided can
Reduce distillation process energy consumption suitable for cyclohexanol production from backheat energy saver.
The purpose of this utility model can be realized by following technique measures:
The utility model suitable for cyclohexanol production includes that side lower part is provided with thick hexamethylene from backheat energy saver
Rectifying column, cyclohexanol vapour compression machine, reboiler, condenser, the cyclohexanol finished pot of alcohol liquid inlet, in which: rectifying tower top
The cyclohexanol steam of portion's extraction is connected with cyclohexanol vapour compression machine entrance, the outlet of cyclohexanol vapour compression machine and reboiler
It heats source inlet to be connected, the thermal source outlet of reboiler is connected with condenser inlet, the outlet of condenser and smart cyclohexanol finished pot
It is connected；The cyclohexanol gas phase import of the material vaporization outlet access rectifying column lower part of reboiler, the phegma of rectifier bottoms go out
Mouth is connected with the fluid inlet of reboiler.
The form of rectifying column described in the utility model is plate column or packed tower, the compression ratio of cyclohexanol vapour compression machine
It is 1.8 ~ 2.2, reboiler is horizontal tube falling film formula.
The working principle of the utility model is as follows: rectifying is carried out in rectifying column into the thick cyclohexanol liquid in rectifying column,
The smart cyclohexanol steam of the top of the distillation column extraction is after cyclohexanol vapour compression machine compresses and promotes calorific value, the heat as reboiler
The smart cyclohexanol steam in source, the low heat value after heat energy utilization is condensed into liquid through condenser, finally enters smart cyclohexanol finished pot.
The beneficial effects of the utility model are as follows:
The smart cyclohexanol steam that the utility model produces the top of the distillation column improves heat enthalpy value after compressor compresses, is used as
The heat source of reboiler greatly reduces the consumption of middle pressure steam, reduces production cost, has significant economic benefit.
Detailed description of the invention
Fig. 1 is the principles of the present invention structure chart.
Serial number in figure: 1 is rectifying column, and 2 be cyclohexanol vapour compression machine, and 3 be reboiler, and 4 be condenser, and 5 be smart hexamethylene
Alcohol finished pot.
Specific embodiment
The utility model is further described below with reference to embodiment (attached drawing):
As shown in Figure 1, the utility model suitable for cyclohexanol production includes that side lower part is set from backheat energy saver
It is equipped with rectifying column 1, cyclohexanol vapour compression machine 2, reboiler 3, condenser 4, the cyclohexanol finished pot of thick cyclohexanol liquid inlet
5, in which: the cyclohexanol steam produced at the top of rectifying column 1 is connected with 2 entrance of cyclohexanol vapour compression machine, cyclohexanol both vapor compression
The outlet of machine 3 is connected with the heating source inlet of reboiler 3, and the thermal source outlet of reboiler 3 is connected with 4 entrance of condenser, condenser
4 outlet is connected with smart cyclohexanol finished pot 5；The cyclohexanol gas phase of material vaporization outlet access 1 lower part of rectifying column of reboiler 3
The phegma outlet of import, 1 bottom of rectifying column is connected with the fluid inlet of reboiler 3.
The form of rectifying column 1 described in the utility model is plate column or packed tower, the compression of cyclohexanol vapour compression machine 2
Than being 1.8 ~ 2.2, reboiler 3 is horizontal tube falling film formula.
The working principle of the utility model is as follows:
Rectifying, the smart cyclohexanol of the top of the distillation column extraction are carried out in rectifying column into the thick cyclohexanol liquid in rectifying column 1
Steam is after cyclohexanol vapour compression machine 2 compresses and promotes calorific value, the heat source as reboiler 3, the low heat value after heat energy utilization
Smart cyclohexanol steam is condensed into liquid through condenser 4, finally enters smart cyclohexanol finished pot 5.
The process conditions of utility model device: 120 DEG C of 1 temperature of rectifying column, the smart cyclohexanol vapor (steam) temperature of overhead extraction
110-115 DEG C, 135-140 DEG C of 2 outlet temperature of cyclohexanol vapour compression machine, 10135-140 DEG C of 3 heat source temperature of reboiler, condensation
40-50 DEG C of 4 outlet temperature of device, smart 5 room temperature of cyclohexanol finished pot, normal pressure.
Economic and Efficiency Analysis
Compared with traditional distillation process, using the utility model energy saver, steam 4t/h, recirculated water can be saved
300m3/h(20 DEG C -25 DEG C), increase power consumption 550kW.It is calculated with current price, 175 yuan/t of steam, 0.2 yuan of recirculated water/
M3,0.7 yuan of the electricity charge/degree, the two year Operation cost comparison such as following table (annual runing time by 8000h calculate):
| Project | Traditional rectifying | The utility model |
| Steam expends (Wan Yuan/year) | 1190 | 544 |
| Recirculated water (Wan Yuan/year) | 160 | 48 |
| The electricity charge (Wan Yuan/year) | 75 | 308 |
| It amounts to (Wan Yuan/year) | 1425 | 900 |
As can be seen from the above table, 5,250,000 are saved using the more traditional rectifying of the annual operating cost of the device of the utility model
Member greatly reduces energy consumption and production cost.
Claims (2)
1. it is a kind of suitable for cyclohexanol production from backheat energy saver, it is characterised in that: described device includes that side lower part is set
It is equipped with rectifying column (1), cyclohexanol vapour compression machine (2), reboiler (3), the condenser (4), hexamethylene of thick cyclohexanol liquid inlet
Alcohol finished pot (5), in which: the cyclohexanol steam produced at the top of rectifying column (1) is connected with cyclohexanol vapour compression machine (2) entrance,
The outlet of cyclohexanol vapour compression machine (2) is connected with the heating source inlet of reboiler (3), the thermal source outlet of reboiler (3) with it is cold
Condenser (4) entrance is connected, and the outlet of condenser (4) is connected with smart cyclohexanol finished pot (5)；The material of reboiler (3) is vaporized with
The cyclohexanol gas phase import of mouth access rectifying column (1) lower part, the liquid of the phegma outlet and reboiler (3) of rectifying column (1) bottom
Phase import is connected.
2. described according to claim 1 suitable for cyclohexanol production from backheat energy saver, it is characterised in that: the essence
The form for evaporating tower (1) is plate column or packed tower, and the compression ratio of cyclohexanol vapour compression machine (2) is 1.8 ~ 2.2, reboiler (3)
For horizontal tube falling film formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821289604.2U CN208732972U (en) | 2018-08-10 | 2018-08-10 | It is a kind of suitable for cyclohexanol production from backheat energy saver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821289604.2U CN208732972U (en) | 2018-08-10 | 2018-08-10 | It is a kind of suitable for cyclohexanol production from backheat energy saver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208732972U true CN208732972U (en) | 2019-04-12 |
Family
ID=66030374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821289604.2U Active CN208732972U (en) | 2018-08-10 | 2018-08-10 | It is a kind of suitable for cyclohexanol production from backheat energy saver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208732972U (en) |
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2018
- 2018-08-10 CN CN201821289604.2U patent/CN208732972U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230717 Address after: 467000 the development zone of the east section of Jianshe Road, Pingdingshan, Henan. Patentee after: HENAN SHENMA NYLON CHEMICAL Co.,Ltd. Address before: 467000 nylon company in Pingdingshan Development Zone, Henan Province Patentee before: PINGDINGSHAN SHENMA WANLI CHEMICAL Co.,Ltd. |
|
| TR01 | Transfer of patent right |