CN102489351A - Chemical reaction water separator for solvent with density less than that of water - Google Patents
Chemical reaction water separator for solvent with density less than that of water Download PDFInfo
- Publication number
- CN102489351A CN102489351A CN2011103668020A CN201110366802A CN102489351A CN 102489351 A CN102489351 A CN 102489351A CN 2011103668020 A CN2011103668020 A CN 2011103668020A CN 201110366802 A CN201110366802 A CN 201110366802A CN 102489351 A CN102489351 A CN 102489351A
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- pipe
- arm
- branch pipe
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- person
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Abstract
The invention relates to a chemical reaction water separator for solvent with a density less than that of water. The water separator comprises a main pipe and a branch pipe arranged in the main pipe and is characterized in that a layer of sleeve pipe is sleeved on the branch pipe, and an enclosed cavity forms between the branch pipe and the sleeve pipe. One end of the sleeve pipe is connected with a free end of the branch pipe, and the other end of the sleeve pipe is connected with the main pipe; one end of the sleeve pipe is connected with one end of the branch pipe, and the other end of the sleeve pipe is connected with the other end of the branch pipe. An upper end of the main pipe communicates with bottom of a condenser tube, and a lower end of the main pipe is a lower port for draining. The lower port of the main pipe is provided with a valve. The branch pipe extends outside the main pipe aslant downwards and outwards. The branch pipe and the main pipe above the branch pipe form an included angle larger than 90 DEG and smaller than 160 DEG. The main pipe is a cylindrical glass tube; the sleeve pipe is a glass tube; and the branch pipe is a glass tube. The invention can avoid condensation in an inner wall of the branch pipe, and no insulating material needs to be wrapped on an outer wall of the branch pipe, so as to facilitate observe and monitor progressing conditions of an experiment.
Description
Technical field
The present invention relates to a kind of water knockout drum that is used for chemical reaction, be used for the water knockout drum of solvent density in especially a kind of chemical reaction less than water.
Background technology
Dean-Stark (Dean-Stark) device is a kind of water knockout drum commonly used in the chemical synthesis, and it usually can be by continuous discharge and determined with the water (other liquid are also arranged once in a while) of the reaction generation that guarantees under reflux temperature, to be carried out with reflux condenser and gathering-device logotype.The core of Dean-Stark device is Dean-Stark separator (Dean-Stark Trap), is a device that is similar to h type structure.Main body is a vertical column glass tube, and the top links to each other with the bottom of reflux condenser, and the glass gathering-device that is similar to buret that can measure liquid volume is inserted in the below.An arm is tiltedly stretched out at the middle part of main body glass tube, and arm and below tube wall acutangulate, and arm is stretched over to be rolled over when closing on end for vertical, so that insert in the interface of reactor (like flask).
In course of reaction, contain the middle solvent for use that responds and from reactor, steam with the mixed vapour that need remove component, get into the outer reflux condenser that is connected with cooling water along arm, but common meeting is because of arm and the big condensation of the steam temperature difference, the effect that influence dewaters.Conventional solution is the outer wall parcel one deck insulation material at arm, so operation inconvenience, and two come also to be unfavorable for the observation monitoring of experimentation.
Summary of the invention
The objective of the invention is to overcome the deficiency that exists in the prior art, provide to be used for the water knockout drum of solvent density less than water in a kind of chemical reaction, the arm of water knockout drum has heat insulation function, can effectively avoid the generation of branch pipe wall condensation; Also need not to be convenient to observe the monitoring experiment progress at arm outer wall parcel insulation material.
According to technical scheme provided by the invention; Be used for the water knockout drum of solvent density in the said chemical reaction less than water; Comprise the arm of being responsible for and being positioned at said person in charge middle part, characteristic is: the outer sheathed one deck sleeve pipe of said arm forms closed cavity between arm and sleeve pipe.
One end of said sleeve pipe is connected with the arm free end, and the other end is connected with the person in charge.
One end of said sleeve pipe is connected with an end of arm, and the other end is connected with the other end of arm.
The port of the said person in charge's upper end for being connected with the condenser pipe bottom, the lower end is the lower port that is used for draining.
Lower port place the said person in charge is provided with valve.
Said arm outwards tiltedly stretches out downwards to be responsible for and is provided with.
Form between the person in charge of said arm and arm top greater than 90 °, less than 160 ° angles.
The said person in charge is the column glass tube; Said sleeve pipe is a glass tube; Said arm is a glass tube.
Be filled with air, nitrogen, argon gas or helium in the said closed cavity, vacuum is 0.03 ~ 0.09MPa.
The arm of water knockout drum according to the invention adopts inside and outside double glazing to form closed cavity; Can charge into air or inert gas in the cavity; And has certain vacuum; Reach heat preservation effect, can effectively avoid like this in the process that azeotropic gas climbs, appear at the phenomenon of branch pipe wall condensation because of the temperature difference greatly; Also need not to be convenient to observe the monitoring experiment progress at arm outer wall parcel insulation material.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention one.
Fig. 2 is the structural representation of the embodiment of the invention two.
The specific embodiment
Below in conjunction with concrete accompanying drawing the present invention is described further.
Like Fig. 1 ~ shown in Figure 2: be used in the chemical reaction solvent density less than the water knockout drum of water comprise be responsible for 1, arm 2, sleeve pipe 3, closed cavity 4, lower port 5, valve 6, port 7 etc.
Embodiment one:
As shown in Figure 1, water knockout drum of the present invention comprises the person in charge 1 and an arm 2 that is positioned at the said person in charge 1 middle part of a column glass tube structure, and said arm outwards tiltedly stretches out downwards is responsible for 1 middle part; The arm 2 outer sleeve pipes 3 that are arranged with one deck glass tubular form closed cavity 4 between arm 2 and sleeve pipe 3, fill nitrogen in the said closed cavity 4, and vacuum is 0.03MPa; Said sleeve pipe 3 one ends are connected with arm 2 free ends, and the other end is connected with the person in charge 1; The port 7 of the said person in charge's 1 upper end for being connected with the condenser pipe bottom is used to guide azeotropic solvent and the water through condensing reflux, and the lower end is the lower port 5 that is used for draining; The said person in charge's 1 lower port 5 places are provided with a valve 6; Become 120 ° angle between the person in charge 1 of said arm 2 and arm 2 tops, help steam and climb, also be beneficial to reflux solvent flow back into reactor simultaneously.
Embodiment two:
As shown in Figure 2; Water knockout drum of the present invention comprises the person in charge 1 and an arm 2 that is positioned at the said person in charge 1 middle part of a column glass tube structure; Said arm 2 outwards tiltedly stretches out downwards is responsible for 1, and said arm 2 outer sheathed one deck sleeve pipes 3 form closed cavity 4 between arm 2 and sleeve pipe 3; Fill air in the said closed cavity 5, vacuum is 0.09MPa; One end of said sleeve pipe 3 is connected with an end of arm 2, and the other end is connected with the other end of arm 2; The port 7 of the said person in charge's 1 port for being connected with the condenser pipe bottom is used to guide azeotropic solvent and the water through condensing reflux, and lower port is the lower port 5 that is used for draining; There is a valve 6 at the said person in charge's 1 lower port 5 places; Become 150 ° angle between the person in charge 1 of said arm 2 and arm 2 tops, help steam and climb, also be beneficial to reflux solvent flow back into reactor simultaneously.
Claims (9)
1. be used for the water knockout drum of solvent density in a chemical reaction less than water; Comprise the person in charge (1) and be positioned at the arm (2) at the said person in charge (1) middle part; It is characterized in that: the outer sheathed one deck sleeve pipe (3) of said arm (2) forms closed cavity (4) between arm (2) and sleeve pipe (3).
2. water knockout drum as claimed in claim 1 is characterized in that: an end of said sleeve pipe (3) is connected with arm (2) free end, and the other end is connected with the person in charge (1).
3. water knockout drum as claimed in claim 1 is characterized in that: an end of said sleeve pipe (3) is connected with an end of arm (2), and the other end is connected with the other end of arm (2).
4. water knockout drum as claimed in claim 1 is characterized in that: the port (7) of the said person in charge's (1) upper end for being connected with the condenser pipe bottom, the lower end is the lower port (5) that is used for draining.
5. water knockout drum as claimed in claim 4 is characterized in that: the lower port (5) in the said person in charge (1) locates to be provided with valve (6).
6. water knockout drum as claimed in claim 1 is characterized in that: said arm (2) outwards tiltedly stretches out the person in charge (1) downwards and is provided with.
7. water knockout drum as claimed in claim 6 is characterized in that: form between the person in charge (1) of said arm (2) and arm (2) top greater than 90 °, less than 160 ° angles.
8. water knockout drum as claimed in claim 1 is characterized in that: the said person in charge (1) is the column glass tube; Said sleeve pipe (3) is a glass tube; Said arm (2) is a glass tube.
9. water knockout drum as claimed in claim 1 is characterized in that: said closed cavity is filled with air, nitrogen, argon gas or helium in (4), and vacuum is 0.03 ~ 0.09MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103668020A CN102489351A (en) | 2011-11-17 | 2011-11-17 | Chemical reaction water separator for solvent with density less than that of water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103668020A CN102489351A (en) | 2011-11-17 | 2011-11-17 | Chemical reaction water separator for solvent with density less than that of water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102489351A true CN102489351A (en) | 2012-06-13 |
Family
ID=46181235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103668020A Pending CN102489351A (en) | 2011-11-17 | 2011-11-17 | Chemical reaction water separator for solvent with density less than that of water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102489351A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29920453U1 (en) * | 1999-11-20 | 2000-03-23 | Steiger Wolf | Water separator |
| CN201419103Y (en) * | 2009-03-16 | 2010-03-10 | 段作敏 | Condensing bulb |
| CN201711143U (en) * | 2010-04-23 | 2011-01-19 | 浙江新东方油墨集团有限公司 | Backflow device of high-temperature kettle |
| CN201760126U (en) * | 2010-04-18 | 2011-03-16 | 张贵生 | Novel water separator used in chemical reaction process |
| CN202387251U (en) * | 2011-11-17 | 2012-08-22 | 慧智科技（中国）有限公司 | Device for separating water from solvent with density lower than that of water in chemical reaction |
-
2011
- 2011-11-17 CN CN2011103668020A patent/CN102489351A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29920453U1 (en) * | 1999-11-20 | 2000-03-23 | Steiger Wolf | Water separator |
| CN201419103Y (en) * | 2009-03-16 | 2010-03-10 | 段作敏 | Condensing bulb |
| CN201760126U (en) * | 2010-04-18 | 2011-03-16 | 张贵生 | Novel water separator used in chemical reaction process |
| CN201711143U (en) * | 2010-04-23 | 2011-01-19 | 浙江新东方油墨集团有限公司 | Backflow device of high-temperature kettle |
| CN202387251U (en) * | 2011-11-17 | 2012-08-22 | 慧智科技（中国）有限公司 | Device for separating water from solvent with density lower than that of water in chemical reaction |
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Application publication date: 20120613 |