CN203976677U - The device that a kind of propionic aldehyde is purified - Google Patents
The device that a kind of propionic aldehyde is purified Download PDFInfo
- Publication number
- CN203976677U CN203976677U CN201420379526.0U CN201420379526U CN203976677U CN 203976677 U CN203976677 U CN 203976677U CN 201420379526 U CN201420379526 U CN 201420379526U CN 203976677 U CN203976677 U CN 203976677U
- Authority
- CN
- China
- Prior art keywords
- propionic aldehyde
- tower
- delivery tube
- outlet
- compression rectification
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 230000006835 compression Effects 0.000 claims abstract description 19
- 238000007906 compression Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000010992 reflux Methods 0.000 claims abstract description 15
- 230000008676 import Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 239000000126 substance Substances 0.000 description 4
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N butyric aldehyde Natural products CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 229940124447 delivery agent Drugs 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 238000010057 rubber processing Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses the device that a kind of propionic aldehyde is purified, it is characterized in that: comprise compression rectification tower, recirculation control device and overhead condenser, described compression rectification tower entrance is connected with thick propionic aldehyde access port, described compression rectification column overhead is provided with vapour outlet, at the bottom of tower, be provided with discharge outlet, described discharge outlet is connected with products pot by delivery tube; Described vapour outlet is connected with overhead condenser import by delivery tube, and described overhead condenser outlet is connected with described reflux import by delivery tube, and described reflux outlet is connected by delivery tube with residual liquid tank, rectifying tower respectively.The utility model is that propionic aldehyde and water are formed to azeotropic in rectifying tower, and moisture is progressively evaporated, and leaves the propionic aldehyde that purity is higher, and circulation rectifying finally can obtain purity up to 99.9% propionic aldehyde.
Description
Technical field
The utility model relates to a kind of chemical products purification field, is the device that a kind of high purity propionic aldehyde is purified specifically.
Background technology
Propionic aldehyde can be used as the raw material of producing propyl alcohol, propionic acid, propionic aldehyde is also widely used in the monomer of producing aliphatic hydrocarbon simultaneously, and polyoxide, amine etc., also for plastics, rubber processing aids, also be medical raw material simultaneously, fuel dope, polymer chain delivery agent and emulsion stabilizer.
In the preparation method of propionic aldehyde, low pressure oxo synthesis is current main method and developing direction, and in the propionic aldehyde that low pressure oxo synthesis is made, the amount of bringing into of moisture is about 8 ~ 10%, and adopts conventional distillation mode propionic aldehyde massfraction 98% left and right of can only purifying out.Therefore, adopt 98% preparing normal propyl alcohol by propionaldehyde hydrogenation, in product, can contain a certain amount of water, dehydration difficulty, affects quality product.
Summary of the invention
Goal of the invention: the utility model object is for the deficiencies in the prior art, and a kind of propionic aldehyde purifying plant that obtains high purity propionic aldehyde is provided.
Technical scheme: the device that propionic aldehyde described in the utility model is purified, comprise compression rectification tower, recirculation control device and overhead condenser, described compression rectification tower entrance is connected with thick propionic aldehyde access port, described compression rectification column overhead is provided with vapour outlet, at the bottom of tower, be provided with discharge outlet, described discharge outlet is connected with products pot by delivery tube;
Described vapour outlet is connected with overhead condenser import by delivery tube, and described overhead condenser outlet is connected with described reflux import by delivery tube, and described reflux outlet is connected by delivery tube with residual liquid tank, rectifying tower respectively.
Further, between the discharge outlet at the bottom of described compression rectification tower tower and products pot, be also provided with condenser at the bottom of tower, part gaseous substance in compression rectification tower can be converted into liquid phase and be transported in products pot.
As preferably, on the discharge outlet at the bottom of described compression rectification tower tower, be provided with valve, can after propionic aldehyde content reaches standard, open valve by tower in liquid discharge.
As preferably, in the delivery tube between described reflux and residual liquid tank, rectifying tower, be respectively arranged with valve.Can select to open and close valve according to the content of propionic aldehyde in reflux, liquid in reflux is conveyed into residual liquid tank or is back in rectifying tower.
Beneficial effect: (1) the utility model is that propionic aldehyde and water are formed to azeotropic in rectifying tower, and moisture is progressively evaporated, and leaves the propionic aldehyde that purity is higher, circulation rectifying, finally can obtain purity up to 99.9% propionic aldehyde, has improved production efficiency; (2) the utility model, by reflux, can be purified to propionic aldehyde repeatedly, realizes the recycle of water resources, reduces discharging of waste liquid; (3) the utility model can reclaim the high thick propionic aldehyde of water content again and utilize, and improves the utilization ratio of raw material, realizes the commercialization of propionic aldehyde product.
Accompanying drawing explanation
Fig. 1 is the utility model apparatus structure schematic diagram.
Embodiment
Below by accompanying drawing, technical solutions of the utility model are elaborated, but protection domain of the present utility model is not limited to described embodiment.
embodiment 1:the device that a kind of propionic aldehyde is purified, comprise compression rectification tower 1, overhead condenser 2 and recirculation control device 3, described compression rectification tower 1 entrance is connected with thick propionic aldehyde access port, described compression rectification column overhead is provided with vapour outlet 11, at the bottom of tower, be provided with discharge outlet 12, on discharge outlet, be provided with valve 7, described discharge outlet 12 is connected with products pot 4 by delivery tube, is provided with condenser 6 at the bottom of tower between discharge outlet 12 and products pot 4;
Described vapour outlet 11 is connected with overhead condenser 2 imports by delivery tube, described overhead condenser 2 outlets are connected with described reflux 3 imports by delivery tube, described reflux 3 outlets are connected by delivery tube with residual liquid tank 5, rectifying tower 1 respectively, are respectively arranged with valve 7 in delivery tube.
Concrete algorithm is:
(1) thick propionic aldehyde is transported in compression rectification tower, heating rectifying tower, tower reactor temperature is 130 ℃, tower top temperature is 110 ℃, makes propionic aldehyde and water form azeotropic, by tower top, isolates gaseous substance;
(2) gaseous substance tower top being obtained is condensed into liquid phase by overhead condenser and is transported in reflux;
(3) detect propionic aldehyde content in reflux, the transport of liquid of propionic aldehyde content≤93%, in residual liquid tank, is returned the transport of liquid of the propionic aldehyde content > 93% of detection to rectifying again in compression rectification tower;
(4) repeat, behind step 2 ~ 5, (1) ~ (3) time, to discharge liquid in rectifying tower;
(5) liquid of discharge is sent in refining propionic aldehyde tank, in refining propionic aldehyde tank, obtained purity higher than 99.9% propionic aldehyde.
As mentioned above, although represented and explained the utility model with reference to specific preferred embodiment, it shall not be construed as the restriction to the utility model self.Not departing under the spirit and scope prerequisite of the present utility model of claims definition, can make in the form and details various variations to it.
Claims (4)
1. the device that a propionic aldehyde is purified, it is characterized in that: comprise compression rectification tower, recirculation control device and overhead condenser, described compression rectification tower entrance is connected with thick propionic aldehyde access port, described compression rectification column overhead is provided with vapour outlet, at the bottom of tower, be provided with discharge outlet, described discharge outlet is connected with products pot by delivery tube;
Described vapour outlet is connected with overhead condenser import by delivery tube, and described overhead condenser outlet is connected with described reflux import by delivery tube, and described reflux outlet is connected by delivery tube with residual liquid tank, rectifying tower respectively.
2. the device that propionic aldehyde according to claim 1 is purified, is characterized in that: between the discharge outlet at the bottom of described compression rectification tower tower and products pot, be also provided with condenser at the bottom of tower.
3. the device that propionic aldehyde according to claim 1 is purified, is characterized in that: on the discharge outlet at the bottom of described compression rectification tower tower, be provided with valve.
4. the device that propionic aldehyde according to claim 1 is purified, is characterized in that: in the delivery tube between described reflux and residual liquid tank, rectifying tower, be respectively arranged with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420379526.0U CN203976677U (en) | 2014-07-09 | 2014-07-09 | The device that a kind of propionic aldehyde is purified |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420379526.0U CN203976677U (en) | 2014-07-09 | 2014-07-09 | The device that a kind of propionic aldehyde is purified |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203976677U true CN203976677U (en) | 2014-12-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420379526.0U Expired - Lifetime CN203976677U (en) | 2014-07-09 | 2014-07-09 | The device that a kind of propionic aldehyde is purified |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203976677U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104086387A (en) * | 2014-07-09 | 2014-10-08 | 南京荣欣化工有限公司 | Method and device for purifying propionaldehyde |
-
2014
- 2014-07-09 CN CN201420379526.0U patent/CN203976677U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104086387A (en) * | 2014-07-09 | 2014-10-08 | 南京荣欣化工有限公司 | Method and device for purifying propionaldehyde |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190116 Address after: Room 1129, 11th floor, Traffic Bureau Building, 95 Yingbin Avenue, Xinhua Street, Huadu District, Guangzhou City, Guangdong 510800 Patentee after: GUANGZHOU XINSHIJI NEW ENERGY DEVELOPMENT Co.,Ltd. Address before: 210047 No. 99 Munifeng Road, Nanjing Chemical Park, Nanjing, Jiangsu Province Patentee before: Nanjing RongXin Chemical Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201204 Address after: 210047, -095, No. 168, Tai Fang Road, Nanjing chemical industry park, Jiangsu, Nanjing Patentee after: Nanjing RongXin Chemical Co.,Ltd. Address before: Room 1129, 11th floor, Traffic Bureau Building, 95 Yingbin Avenue, Xinhua Street, Huadu District, Guangzhou City, Guangdong 510800 Patentee before: GUANGZHOU XINSHIJI NEW ENERGY DEVELOPMENT Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141203 |
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| CX01 | Expiry of patent term |