CN202359047U - Novel peroxy-propionic acid production device - Google Patents
Novel peroxy-propionic acid production device Download PDFInfo
- Publication number
- CN202359047U CN202359047U CN2011205303553U CN201120530355U CN202359047U CN 202359047 U CN202359047 U CN 202359047U CN 2011205303553 U CN2011205303553 U CN 2011205303553U CN 201120530355 U CN201120530355 U CN 201120530355U CN 202359047 U CN202359047 U CN 202359047U
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- pipeline
- reaction kettle
- arm
- rectifying tower
- overhead condenser
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Abstract
The utility model provides a novel peroxy-propionic acid production device which comprises a reaction kettle, a rectifying tower, a tower top condenser, a steam buffer tank, a steam-jet pump and a safety-protection pressure relief device, wherein the safety-protection pressure relief device comprises at least one support pipe used for relieving and removing pressure of the reaction kettle and a water seal tank or an oil seal tank, the tail end of the support pipe is subjected to water seal by adopting the water seal tank, or is subjected to oil seal by adopting the oil seal tank, and the vertical distance between the starting end and the water/oil seal surface of the support pipe is 3-50 meters. According to the novel peroxy-propionic acid production device disclosed by the utility model, and a safety protection method adopted during the production of peroxy-propionic acid by using hydrogen peroxide, by arranging the support pipe, the pressure in the reaction kettle can be effectively relieved and removed when the peroxy-propionic acid is subjected to temperature runaway, and therefore, the safety of a reaction system can be guaranteed.
Description
Technical field
The utility model relates to chemical industry safety technique field, relates in particular to a kind of Perpropionic Acid production unit with safety precaution pressure relief device.
Background technology
Peroxycarboxylic acid (Peracetic Acid, Perpropionic Acid, peroxo-phenylformic acid etc.) is one type of important organo-peroxide, and it is strong to have oxidisability, with advantages such as the organism intermiscibility are good, and the oxygenant in the organic synthesis, the preparation fine chemical product done commonly used.Application with Peracetic Acid in the peroxycarboxylic acid is more, but Peracetic Acid is extremely unstable, is prone to decompose and explodes.Perpropionic Acid is compared the Peracetic Acid carbochain to be increased, and thermostability increases, and should more be applicable to industrial production.
Breadboard report is more common in the preparation of Perpropionic Acid.Chinese patent " preparation method of the perpropionic acid " (patent No.: 91109115) introduced in the presence of catalyzer, made reaction solvent, adopted the mode of component distillation to prepare the method for Perpropionic Acid with alkyl propionates with propionic acid and hydrogen peroxide effect.USP " Process for the preparation of perpropionic acid solutions " (US Patent4088679) has also been introduced the method for utilizing propionic acid and hydroperoxidation to prepare Perpropionic Acid solution.These two kinds of methods all only relate to the synthetic route and the condition of Perpropionic Acid, when lacking industriallization to equipment and safe requirement.
The industrial production device of Perpropionic Acid is less, and at present, there is the pilot plant of Perpropionic Acid in domestic only Sinopec Ba Ling branch office, adopts the operational path of hydrogen peroxide oxidation propionic acid system Perpropionic Acid.There is bigger heat harm in this reaction; Particularly reacted when the later stage, Perpropionic Acid concentration was higher; Heat harm is often wayward; Thereby produce the temperature runaway phenomenon, if, produce the explosion hazard of Perpropionic Acid reaction kettle probably not to the effective safety prevention measure of Perpropionic Acid reaction kettle in the Perpropionic Acid production unit.The safety research aspect of Perpropionic Acid; Domestic literature " preparation of Perpropionic Acid and heat harm research " is studied the decomposition kinetics and the safety storing temperature of Perpropionic Acid, but the Security Control Problem of document when Perpropionic Acid not being produced analyzed.At present, still be not directed against the research of Perpropionic Acid reaction unit safety prevention measure.
The utility model content
The utility model technical problem to be solved is to be to provide a kind of novel Perpropionic Acid production unit, and the reaction process of hydrogen peroxide oxidation propionic acid system Perpropionic Acid also is the process that rectification under vacuum dewaters, and there is bigger heat harm in reaction process; The Perpropionic Acid reaction kettle is in reaction when the later stage, Perpropionic Acid concentration was higher; Heat harm is often wayward, thereby produces the temperature runaway phenomenon, if the temperature runaway phenomenon further develops; In enclosed space and might produce serious superpressure; Thereby cause structure deteriorate and loss of life and personal injury, make a very bad impression, the Perpropionic Acid production unit of the utility model and adopt this equipment to carry out ydrogen peroxide 50 and produce in the process of Perpropionic Acid and implement safety protecting method; When the Perpropionic Acid temperature runaway, can let out timely and effectively except that the pressure in the reaction kettle, thus the safety of assurance reactive system.
For solving the problems of the technologies described above, the utility model provides a kind of Perpropionic Acid production unit, and it comprises: reaction kettle, rectifying tower, overhead condenser, steam buffer jar, vapor jet pump and safety precaution pressure relief device;
Said safety precaution pressure relief device comprises that at least one is used for letting out a kind of except that the arm of reaction kettle pressure and water-sealed tank or oil sealing jar; The terminal employing of said arm water-sealed tank carries out water seal or adopts the oil sealing jar to carry out oil sealing, and arm initiating terminal and water or fluid side vertical range are 3～50m.
Wherein, said arm area is preferably 0.001m
2～0.05m
2
Wherein, Said reaction kettle is connected with said rectifying tower through first pipeline; Said rectifying tower is connected with said overhead condenser through second pipeline; Said overhead condenser is connected with said steam buffer jar through the 3rd pipeline, and said steam buffer jar is connected with said vapor jet pump through the 4th pipeline.
Wherein, said safety precaution pressure relief device can be arranged on the top of said reaction kettle, and the top of said rectifying tower is on the outlet of said any overhead condenser and said first pipeline, said second pipeline.
Wherein, said overhead condenser can be for one or more.
For solving the problems of the technologies described above; The utility model also provides a kind of Perpropionic Acid production unit, and it comprises: reaction kettle, rectifying tower, overhead condenser, steam buffer jar, vapor jet pump, at least one is used for letting out a kind of of arm, water-sealed tank or oil sealing jar except that reaction kettle pressure;
The terminal employing of said arm water-sealed tank carries out water seal or adopts the oil sealing jar to carry out oil sealing, and arm initiating terminal and water or fluid side vertical range are 3～50m, and said arm area is 0.001m
2～0.05m
2
Said reaction kettle is connected with said rectifying tower through first pipeline; Said rectifying tower is connected with said overhead condenser through second pipeline; Said overhead condenser is connected with said steam buffer jar through the 3rd pipeline, and said steam buffer jar is connected with said vapor jet pump through the 4th pipeline;
Said arm can be arranged on the top of said reaction kettle, and the top of said rectifying tower is on the outlet of said any overhead condenser and said first pipeline, said second pipeline.
The beneficial effect of the utility model:
Perpropionic Acid production unit of the utility model and employing ydrogen peroxide 50 are produced Perpropionic Acid process safe means of defence; Through an arm is installed; When the Perpropionic Acid temperature runaway, can let out timely and effectively except that the pressure in the reaction kettle, thus the safety of assurance reactive system.
Description of drawings
Fig. 1 is the structural representation of the utility model Perpropionic Acid production unit;
Among the figure: 1-Perpropionic Acid reaction kettle; The 2-rectifying tower; The 3-overhead condenser; 4-steam buffer jar; 5-lets out the arm except that reaction kettle pressure; 6-water-sealed tank or oil sealing jar.
Embodiment
The utility model provides a kind of Perpropionic Acid production unit, and it comprises: reaction kettle, rectifying tower, overhead condenser, steam buffer jar, vapor jet pump and safety precaution pressure relief device.
Said reaction kettle is connected with said rectifying tower through first pipeline; Said rectifying tower is connected with said overhead condenser through second pipeline; Said overhead condenser is connected with said steam buffer jar through the 3rd pipeline; Said steam buffer jar is connected with said vapor jet pump through the 4th pipeline; Said safety precaution pressure relief device can be arranged on the top of said reaction kettle, and the top of said rectifying tower is on the outlet of said any overhead condenser and said first pipeline, said second pipeline.
Said safety precaution pressure relief device comprises that at least one is used to let out the arm except that reaction kettle pressure, terminal water seal or the oil sealing of adopting of said arm.
Said arm area is preferably 0.001m
2～0.05m
2Show through Perpropionic Acid safety relief simulation test, if said arm area is less than 0.001m
2, then can not play the effect of safety relief, when the Perpropionic Acid thermal runaway, possibly cause the superpressure blast, if the said arm area of discharge area is greater than 0.05m
2, then be unfavorable for the manufacturing of equipment and the stopping property of system.
Said safety precaution pressure relief device also comprises water-sealed tank or oil sealing jar, and the terminal employing of said arm water-sealed tank carries out water seal or adopts the oil sealing jar to carry out oil sealing, and arm initiating terminal and water or fluid side vertical range are 3～50m.
Said arm when vacuumizing not with extraneous UNICOM.
Said overhead condenser can be for one or more.
Further preferred said Perpropionic Acid production unit only is made up of above-mentioned parts.
The utility model also provides a kind of Perpropionic Acid production unit, and it comprises: reaction kettle, rectifying tower, overhead condenser, steam buffer jar, vapor jet pump, at least one is used for letting out a kind of of arm, water-sealed tank or oil sealing jar except that reaction kettle pressure;
The terminal employing of said arm water-sealed tank carries out water seal or adopts the oil sealing jar to carry out oil sealing, and arm initiating terminal and water or fluid side vertical range are 3～50m, and said arm area is 0.001m
2～0.05m
2
Said reaction kettle is connected with said rectifying tower through first pipeline; Said rectifying tower is connected with said overhead condenser through second pipeline; Said overhead condenser is connected with said steam buffer jar through the 3rd pipeline, and said steam buffer jar is connected with said vapor jet pump through the 4th pipeline;
Said arm can be arranged on the top of said reaction kettle, and the top of said rectifying tower is on the outlet of said any overhead condenser and said first pipeline, said second pipeline.
Said overhead condenser can be for one or more.
Safety protecting method in a kind of Perpropionic Acid production process, it comprises:
When in the peroxide propionic acid reaction kettle temperature runaway taking place, the safety precaution pressure relief device in the above-mentioned Perpropionic Acid conversion unit carries out releasing pressure automatically to said Perpropionic Acid reaction kettle, thereby guarantees to let out timely and effectively except that the pressure in the reaction kettle.
Below adopt embodiment and accompanying drawing to specify the embodiment of the utility model, how the utilisation technology means solve technical problem to the utility model whereby, and the implementation procedure of reaching technique effect can make much of and enforcement according to this.
Embodiment 1:
As shown in Figure 1, the Perpropionic Acid production unit of the utility model comprises: reaction kettle 1, rectifying tower 2, overhead condenser 3, steam buffer jar 4, vapor jet pump (not shown), one are used for letting out a kind of of arm 5 except that reaction kettle pressure, water-sealed tank 6; The said arm 5 terminal water-sealed tanks 6 that adopt carry out water seal; Said reaction kettle 1 is connected with said rectifying tower 2 through first pipeline; Said rectifying tower 2 is connected with said overhead condenser 3 through second pipeline; Said overhead condenser 3 is connected with said steam buffer jar 4 through the 3rd pipeline, and said steam buffer jar 4 is connected with said vapor jet pump through the 4th pipeline; Said arm 5 can be arranged on the top of said reaction kettle, and the top of said rectifying tower is on the outlet of said any overhead condenser and said first pipeline, said second pipeline.
Embodiment 2:
Reaction kettle 1 volume is 1m
3, connecting an arm 5 in the outlet of overhead condenser 3 tube sides, arm 5 areas are 0.005m
2, arm 5 ends carry out water seal with water-sealed tank 6, and arm 5 outlets are left 10m with the water seal identity distance.
Embodiment 2:
Reaction kettle 1 volume is 2m
3, going out to connect an arm 5 on rectifying tower 2 pipelines, arm 5 areas are 0.012m
2, arm 5 ends carry out oil sealing with the heat conduction oil sealing in the oil sealing jar, and arm 5 outlets and fluid side are apart from 6m.
Embodiment 3:
Reaction kettle 1 volume is 5m
3, connecting an arm 5 on reaction kettle 1 top, arm 5 areas are 0.04m
2, arm 5 ends carry out oil sealing with the heat conduction oil sealing in the oil sealing jar, and arm outlet and fluid side are apart from 15m.
This intellecture property of primary enforcement that all are above-mentioned is not set restriction this product innovation of other forms of enforcement and/or novel method.Those skilled in the art will utilize this important information, and foregoing is revised, to realize similar implementation status.But all modifications or transformation belong to the right of reservation based on the utility model product innovation.
The above; It only is the preferred embodiment of the utility model; Be not to be the restriction of the utility model being made other form, any professional and technical personnel of being familiar with possibly utilize the technology contents of above-mentioned announcement to change or be modified as the equivalent embodiment of equivalent variations.But every the utility model technical scheme content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of the utility model technical scheme according to the technical spirit of the utility model.
Claims (6)
1. a Perpropionic Acid production unit is characterized in that, comprising: reaction kettle, rectifying tower, overhead condenser, steam buffer jar, vapor jet pump and safety precaution pressure relief device;
Said safety precaution pressure relief device comprises that at least one is used for letting out a kind of except that the arm of reaction kettle pressure and water-sealed tank or oil sealing jar; The terminal employing of said arm water-sealed tank carries out water seal or adopts the oil sealing jar to carry out oil sealing, and arm initiating terminal and water or fluid side vertical range are 3～50m.
2. Perpropionic Acid production unit as claimed in claim 1 is characterized in that: said arm area is 0.001m
2～0.05m
2
3. Perpropionic Acid production unit as claimed in claim 1; It is characterized in that: said reaction kettle is connected with said rectifying tower through first pipeline; Said rectifying tower is connected with said overhead condenser through second pipeline; Said overhead condenser is connected with said steam buffer jar through the 3rd pipeline, and said steam buffer jar is connected with said vapor jet pump through the 4th pipeline.
4. Perpropionic Acid production unit as claimed in claim 1; It is characterized in that: said safety precaution pressure relief device can be arranged on the top of said reaction kettle; The top of said rectifying tower is on the outlet of said any overhead condenser and said first pipeline, said second pipeline.
5. Perpropionic Acid production unit as claimed in claim 1 is characterized in that: said overhead condenser can be for one or more.
6. a Perpropionic Acid production unit is characterized in that, comprising: reaction kettle, rectifying tower, overhead condenser, steam buffer jar, vapor jet pump, at least one is used for letting out a kind of of arm, water-sealed tank or oil sealing jar except that reaction kettle pressure;
The terminal employing of said arm water-sealed tank carries out water seal or adopts the oil sealing jar to carry out oil sealing, and arm initiating terminal and water or fluid side vertical range are 3～50m, and said arm area is 0.001m
2～0.05m
2
Said reaction kettle is connected with said rectifying tower through first pipeline; Said rectifying tower is connected with said overhead condenser through second pipeline; Said overhead condenser is connected with said steam buffer jar through the 3rd pipeline, and said steam buffer jar is connected with said vapor jet pump through the 4th pipeline;
Said arm can be arranged on the top of said reaction kettle, and the top of said rectifying tower is on the outlet of said any overhead condenser and said first pipeline, said second pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205303553U CN202359047U (en) | 2011-12-16 | 2011-12-16 | Novel peroxy-propionic acid production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205303553U CN202359047U (en) | 2011-12-16 | 2011-12-16 | Novel peroxy-propionic acid production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202359047U true CN202359047U (en) | 2012-08-01 |
Family
ID=46570250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205303553U Expired - Fee Related CN202359047U (en) | 2011-12-16 | 2011-12-16 | Novel peroxy-propionic acid production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202359047U (en) |
-
2011
- 2011-12-16 CN CN2011205303553U patent/CN202359047U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20131216 |