CN207755798U - Acyl chlorides vacuum rectifying apparatus - Google Patents
Acyl chlorides vacuum rectifying apparatus Download PDFInfo
- Publication number
- CN207755798U CN207755798U CN201721641551.1U CN201721641551U CN207755798U CN 207755798 U CN207755798 U CN 207755798U CN 201721641551 U CN201721641551 U CN 201721641551U CN 207755798 U CN207755798 U CN 207755798U
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- CN
- China
- Prior art keywords
- acyl chlorides
- vacuum
- chamber
- pump set
- rectifying
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model is related to a kind of acyl chlorides vacuum rectifying apparatus, including acyl chlorides rectifier unit and vacuum pump set, are connected with vacuum buffer tank, cyclone separator and acyl chlorides material collecting device between acyl chlorides rectifier unit and vacuum pump set in turn；Acyl chlorides material collecting device includes spray column, mist eliminator and collecting tank；Mist eliminator is connected at the top of spray column, mist eliminator is connected to vacuum pump set；Mist eliminator bottom connects circulatory mediator collecting tank.Acyl chlorides vacuum rectifying apparatus provided by the utility model, reasonable design can avoid acyl chlorides material from entering vacuum pump set, improve production efficiency, reduce worker and overhaul labor intensity, effectively extend vacuum pump set service life.
Description
Technical field
The utility model is related to a kind of acyl chlorides vacuum rectifying apparatus, belong to vent gas treatment field.
Background technology
Acyl chlorides is a kind of compound containing-C (O) Cl functional groups, belongs to one kind of carboxylic acid halides, has corrosivity, is carboxylic acid
In hydroxyl substituted by chlorine after the carboxylic acid derivates that are formed.Common acyl chlorides has：Between/paraphthaloyl chloride, p-nitrophenyl formyl
Chlorine, chloracetyl chloride.
Manufacturing enterprise of China mainly uses thionyl chloride method or phosgenation to carry out production acyl chlorides at present, in acyl chlorides production process
Refining step needs carry out under high vacuum operating mode, generally provide acyl using lobe pump and water stream injection pump composition vacuum pump set
High vacuum operating mode needed for chlorine refining step.When vacuum pump set carries out operation, still contain from the gas that rectifier unit is extracted out few
Measure acyl chlorides material, especially between/paraphthaloyl chloride/higher acyl chlorides of this boiling point of p-nitrophenyl formyl, these materials are final
It is gathered in lobe pump pump chamber, rotor, so that rotor clearance is constantly reduced and eventually lead to roots pump rotor locking, rotor surface anti-corrosion
Layer abrasion.In actual production, the maintenance of lobe pump, cleaning cycle are two weeks, and acyl chlorides material enters vacuum pump set, and there is shadows
Ring manufacturing schedule, worker overhauls the problem that labor intensity is big, vacuum pump set service life is short.
Utility model content
In view of the deficiencies of the prior art, the purpose of this utility model is to provide a kind of acyl chlorides vacuum rectifying apparatus, can keep away
Exempt from acyl chlorides material and enter vacuum pump set, to improve production efficiency, reduces worker and overhaul labor intensity, extend vacuum pump set and use
Service life.
A kind of acyl chlorides vacuum rectifying apparatus described in the utility model, including acyl chlorides rectifier unit and vacuum pump set, acyl chlorides
It is connected with vacuum buffer tank, cyclone separator and collection device between rectifier unit and vacuum pump set in turn；Collection device includes
Spray column, mist eliminator and circulatory mediator collecting tank；Mist eliminator is connected at the top of spray column, mist eliminator is connected to vacuum pump set；Catch mist
Device bottom connects circulatory mediator collecting tank.
Acyl chlorides rectifier unit includes acyl chlorides rectifying column, condenser and gas-liquid separator, at the top of acyl chlorides rectifying column and condenser
Top is connected, and is connected at the top of condenser bottom and gas-liquid separator；Gas-liquid separator is connected to vacuum buffer tank top.
Collection device further includes circulating tank, filter, first circulation pump and second circulation pump；The circulating tank is by partition board point
For first chamber and second chamber；It is connected at the top of the spray tower bottom and first chamber, first chamber pumps logical through first circulation
It crosses at the top of pipeline and second chamber and is connected to, pipeline is equipped with filter；Second chamber pumps connection spray column through second circulation.
Preferably, the top and middle part of spray column respectively set nozzle at one, non-filling in tower.
Preferably, filter is bag filter.
Gas-liquid separator bottom is connected to acyl chlorides rectifying column.
Vacuum buffer tank, cyclone separator and circulating tank are equipped with the cooling chuck of logical chilled water.
Compared with prior art, the utility model has the following advantages：
Acyl chlorides vacuum rectifying apparatus provided by the utility model and method, reasonable design, method are simple, can avoid acyl chlorides
Material enters vacuum pump set, improves production efficiency, reduces worker and overhauls labor intensity, effectively extends vacuum pump set use
Service life, lobe pump overhaul life extend to six months by two weeks.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model acyl chlorides vacuum rectifying apparatus.
In figure：1, acyl chlorides rectifying column；2, condenser；3, gas-liquid separator；4, vacuum buffer tank；5, cyclone separator；6、
Spray column；7, circulating tank；8, first circulation pumps；9, filter；10, second circulation pumps；11, mist eliminator；12, circulatory mediator is collected
Tank；13, vacuum pump set.
Specific implementation mode
The utility model is described further with reference to embodiment.
Embodiment 1
A kind of acyl chlorides vacuum rectifying apparatus of the present embodiment, refer to the attached drawing 1, including acyl chlorides rectifier unit and vacuum pump set
13, it is connected with vacuum buffer tank 4, cyclone separator 5 and collection device between acyl chlorides rectifier unit and vacuum pump set 13 in turn；It receives
Acquisition means include spray column 6, mist eliminator 11 and circulatory mediator collecting tank 12；6 top of spray column is connected to mist eliminator 11, mist eliminator 11
It is connected to vacuum pump set 13；11 bottom of mist eliminator connects circulatory mediator collecting tank 12；Acyl chlorides rectifier unit includes acyl chlorides rectifying column
1, condenser 2 and gas-liquid separator 3,1 top of acyl chlorides rectifying column are connected with 2 top of condenser, 2 bottom of condenser and gas-liquid separation
3 top connection of device；Gas-liquid separator 3 is connected to 4 top of vacuum buffer tank；Collection device further includes circulating tank 7, filter 9,
One circulating pump 8 and second circulation pump 10；Circulating tank 7 is divided into first chamber and second chamber by partition board；6 bottom of spray column and first
Chamber roof is connected to, and for first chamber through first circulation pump 8 by being connected at the top of pipeline and second chamber, pipeline is equipped with filter
9；Second chamber is through 10 connection spray column 6 of second circulation pump；3 bottom of gas-liquid separator is connected to acyl chlorides rectifying column 1.
The course of work of the utility model, includes the following steps：
A kind of rectification under vacuum method of acyl chlorides, includes the following steps：
1) enter in gas-liquid separator after the condensed device condensation of material that acyl chlorides rectifying column comes out and carry out gas-liquid separation, liquid
Phase materials enter in acyl chlorides rectifying column, and gaseous phase materials enter in cyclone separator the part acyl for removing entrainment through vacuum buffer tank
Chlorine material obtains secondary gaseous phase materials；
2) secondary gaseous phase materials enter in spray column in cyclone separator, and the acyl chlorides material of entrainment is leached into circulating tank
In first chamber, remaining secondary gaseous phase materials enter in mist eliminator the circulatory mediator for capturing entrainment after removing acyl chlorides material, catch
The circulatory mediator received enters in circulatory mediator collecting tank, and remaining gaseous phase materials enter in vacuum pump set.
The circulatory mediator with acyl chlorides material enters filter by first circulation pump in the circulating tank first chamber
Enter in circulating tank second chamber afterwards, enters in spray column through second circulation pump and recycle.
Certainly, the above is only the preferred embodiment of the utility model, be should not be construed as limiting new to this practicality
The scope of embodiments of type.The utility model is also not limited to the example above, and those skilled in the art are in this reality
With all the changes and improvements etc. made in novel essential scope, the patent covering scope of the utility model should all be belonged to
It is interior.
Claims (6)
1. a kind of acyl chlorides vacuum rectifying apparatus, including acyl chlorides rectifier unit and vacuum pump set (13), it is characterised in that：Acyl chlorides rectifying
It is connected with vacuum buffer tank (4), cyclone separator (5) and collection device between device and vacuum pump set (13) in turn；Collect dress
It sets including spray column (6), mist eliminator (11) and circulatory mediator collecting tank (12)；Connection mist eliminator (11), catches at the top of spray column (6)
Day with fog (11) is connected to vacuum pump set (13)；Mist eliminator (11) bottom connects circulatory mediator collecting tank (12).
2. acyl chlorides vacuum rectifying apparatus according to claim 1, it is characterised in that：Acyl chlorides rectifier unit includes acyl chlorides rectifying
Tower (1), condenser (2) and gas-liquid separator (3), acyl chlorides rectifying column (1) top and condenser (2) top are connected, condenser (2)
It is connected at the top of bottom and gas-liquid separator (3)；It is connected at the top of gas-liquid separator (3) and vacuum buffer tank (4).
3. acyl chlorides vacuum rectifying apparatus according to claim 1, it is characterised in that：Collection device further include circulating tank (7),
Filter (9), first circulation pump (8) and second circulation pump (10)；The circulating tank (7) is divided into first chamber and second by partition board
Chamber；Be connected at the top of spray column (6) bottom and first chamber, first chamber pumps (8) through first circulation and passes through pipeline and the
Two chamber roofs are connected to, and pipeline is equipped with filter (9)；Second chamber is through second circulation pump (10) connection spray column (6).
4. acyl chlorides vacuum rectifying apparatus according to claim 2, it is characterised in that：Gas-liquid separator (3) bottom and acyl chlorides
Rectifying column (1) is connected to.
5. acyl chlorides vacuum rectifying apparatus according to claim 1, it is characterised in that：Vacuum buffer tank (4) and cyclonic separation
Device (5) is equipped with the cooling chuck of logical chilled water.
6. acyl chlorides vacuum rectifying apparatus according to claim 3, it is characterised in that：Circulating tank (7) is equipped with logical chilled water
Cool down chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721641551.1U CN207755798U (en) | 2017-11-30 | 2017-11-30 | Acyl chlorides vacuum rectifying apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721641551.1U CN207755798U (en) | 2017-11-30 | 2017-11-30 | Acyl chlorides vacuum rectifying apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207755798U true CN207755798U (en) | 2018-08-24 |
Family
ID=63189710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721641551.1U Withdrawn - After Issue CN207755798U (en) | 2017-11-30 | 2017-11-30 | Acyl chlorides vacuum rectifying apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207755798U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107823908A (en) * | 2017-11-30 | 2018-03-23 | 山东凯盛新材料股份有限公司 | Acyl chlorides vacuum rectifying apparatus and method |
-
2017
- 2017-11-30 CN CN201721641551.1U patent/CN207755798U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107823908A (en) * | 2017-11-30 | 2018-03-23 | 山东凯盛新材料股份有限公司 | Acyl chlorides vacuum rectifying apparatus and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180824 Effective date of abandoning: 20200407 |
|
| AV01 | Patent right actively abandoned |