CN205067150U - Organic phosphine negative pressure rectification sampling device - Google Patents
Organic phosphine negative pressure rectification sampling device Download PDFInfo
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- CN205067150U CN205067150U CN201520829382.9U CN201520829382U CN205067150U CN 205067150 U CN205067150 U CN 205067150U CN 201520829382 U CN201520829382 U CN 201520829382U CN 205067150 U CN205067150 U CN 205067150U
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- connecting pipe
- vacuum pump
- organic phosphine
- tube
- stopple coupon
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Abstract
The utility model discloses an organic phosphine negative pressure rectification sampling device, including sampling tube, receipt jar, nitrogen gas on -tube and vacuum pump connection pipe, the side of the upper end intercommunication organic phosphine rectification outlet pipe of sampling tube, the bottom activity sealing connection of sampling tube receives the jar, the sampling tube is close to the one end of organic phosphine rectification outlet pipe and installs the stop valve, part on the sampling tube below the installation stop valve is connected the one end of nitrogen gas on -tube, the other end of nitrogen gas on -tube is used for connecting the nitrogen gas jar, the one end of vacuum pump connection pipe is still connected to part on the sampling tube below the installation stop valve, the other end of vacuum pump connection pipe is used for connecting the vacuum pump, nitrogen gas on -tube and vacuum pump connection pipe on be provided with gas trap and vacuum valve respectively. This device simple structure, convenient operation can take a sample under negative pressure, can dismantle the cleanness to the organic phosphine sample of protection sample jar is not by the oxidation.
Description
Technical field
The utility model belongs to the production equipment field of organic phosphine, is specifically related to a kind of organic phosphine negative pressure rectifying sampler.
Background technology
Rectifying is the principle utilizing liquid mixture repeatedly partial gasification and partial condensation, utilize wherein each component volatile grade different come the device of quick separating of realization response product and reactant, be equipment conventional during medication chemistry is produced.The boiling point of part organic phosphine is higher, needs negative pressure rectifying in the process of reproduction.In the negative pressure distillation process of organic phosphine, sampling is in time needed to detect the process of rectifying.
Because be negative pressure time in negative pressure rectification column in working order, can cause sampling smoothly because atmospheric pressure is greater than the pressure in rectification column when sampling under atmospheric pressure environment.Secondly organic phosphine is oxidizable, at room temperature preserves, needs inert gas shielding, must strict deoxygenation, in order to avoid radical chain reaction and oxidized, therefore samples careless slightly, will cause oxidation, impact analysis accuracy.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of organic phosphine negative pressure rectifying sampler, and this device can sample smoothly when ensureing the negative pressure of rectifying still, and can ensure that organic phosphine is not oxidized in sampling process, accurately convenient.
The technical solution of the utility model is as follows: a kind of organic phosphine negative pressure rectifying sampler, comprise stopple coupon, receiving tank, nitrogen on-tube and vacuum pump connecting pipe, the upper end of described stopple coupon is communicated with the side of organic phosphine rectifying outlet, and the bottom movable sealing of described stopple coupon connects receiving tank; Described stopple coupon is provided with stop valve near one end of organic phosphine rectifying outlet; The part of described stopple coupon being installed below stop valve connects one end of described nitrogen on-tube, and the other end of described nitrogen on-tube is for connecting nitrogen pot; The part of described stopple coupon being installed below stop valve also connects one end of vacuum pump connecting pipe, and the other end of described vacuum pump connecting pipe is for connecting vacuum pump; Described nitrogen on-tube and vacuum pump connecting pipe are respectively arranged with gas trap and vacuum valve.
Preferably, described stopple coupon is also provided with a tensimeter.
Preferably, described stopple coupon is divided into connecting pipe and lower connecting pipe two parts, is connected between upper connecting pipe and lower connecting pipe by a pair flangeseal; Described stop valve is positioned at connecting pipe, and described nitrogen on-tube and vacuum pump connecting pipe are all positioned at lower connecting pipe.
Preferably, between a pair described ring flange, O-ring seal is installed.
Beneficial effect:
(1) have employed dismountable a pair flangeseal in the utility model and connect upper and lower stopple coupon, lower stopple coupon can be taken off after the sampling is complete, carry out cleaning, to use next time.
(2) after adopting this device to operate, taking off sampling jar can detect, because adopt inert nitrogen gas protection, nitrogen proportion is greater than air, and the sample of sampling jar has nitrogen protection, can not be oxidized, ensure that the accuracy of sampling.
(3) being provided with tensimeter in sampler of the present utility model, can showing the pressure of sampler inside when vacuumizing intuitively, the convenient sampler that regulates is interior consistent with the pressure in distillation column, is conducive to sampling.
Accompanying drawing explanation
Fig. 1 is the structural representation of organic phosphine negative pressure rectifying sampler of the present utility model;
Fig. 2 is stopple coupon place structural representation;
Wherein connecting pipe under 1-stopple coupon, 2-receiving tank, 3-stop valve, 4-organic phosphine rectifying outlet, 5-nitrogen pot, 6-vacuum pump, 7-gas trap, 8-vacuum valve, 9-tensimeter, 10-nitrogen on-tube, 11-vacuum pump connecting pipe, 12-ring flange, the upper connecting pipe of 13-, 14-.
Embodiment
Embodiment of the present utility model is further illustrated below in conjunction with accompanying drawing.
Embodiment 1
As shown in Figure 1, a kind of organic phosphine negative pressure rectifying sampler, comprise stopple coupon 1, receiving tank 2, nitrogen on-tube 10 and vacuum pump connecting pipe 11, the upper end of described stopple coupon 1 is communicated with the side of organic phosphine rectifying outlet 4, and the bottom movable sealing of described stopple coupon 1 connects receiving tank 2; Described stopple coupon 1 is provided with stop valve 3 near one end of organic phosphine rectifying outlet 4; The part of described stopple coupon 1 being installed stop valve less than 3 connects one end of described nitrogen on-tube 10, and the other end of described nitrogen on-tube 10 is for connecting nitrogen pot 5; The part of described stopple coupon 1 being installed stop valve less than 3 also connects one end of vacuum pump connecting pipe 11, and the other end of described vacuum pump connecting pipe 11 is for connecting vacuum pump 6; Described nitrogen on-tube 10 and vacuum pump connecting pipe 11 are respectively arranged with gas trap 7 and vacuum valve 8; Stopple coupon 1 is also provided with a tensimeter 9.
When sampling, first connect nitrogen pot 5 and vacuum pump 6, close stop valve 3 and gas trap 7, open vacuum valve 8 and vacuum pump 6, start to vacuumize, until the pressure that tensimeter 9 shows consistent or a little less than pressure in negative pressure rectification column time, close vacuum valve 8 and vacuum pump 6; Then opening stop valve 3, organic phosphine sample flows in receiving tank 2 along stopple coupon 1; Then when the sample in receiving tank 2 reaches aequum, close stop valve 3, open gas trap 7, allow in stopple coupon 1 and receiving tank 2 and be full of nitrogen, finally close gas trap 7.
Embodiment 2
As shown in Figure 2, on the basis of embodiment 1, described stopple coupon 1 is divided into connecting pipe 13 and lower connecting pipe 14 two parts, is tightly connected between upper connecting pipe 13 and lower connecting pipe 14 by a pair ring flange 12; Described stop valve 3 is positioned at connecting pipe 13, and described nitrogen on-tube 10 and vacuum pump connecting pipe 11 are all positioned at lower connecting pipe 14; Between a pair ring flange 12, O-ring seal is installed.Lower stopple coupon can be taken off after the sampling is complete, carry out cleaning, to use next time.
Be described in detail specific embodiment of the utility model above, but it is just as example, the utility model is not restricted to above description specific embodiment.To those skilled in the art, any equivalent modifications that the utility model is carried out and substituting also all among category of the present utility model.Therefore, not departing from the equalization conversion and amendment done under spirit and scope of the present utility model, be all encompassed within the scope of the utility model.
Claims (4)
1. an organic phosphine negative pressure rectifying sampler, it is characterized in that, comprise stopple coupon, receiving tank, nitrogen on-tube and vacuum pump connecting pipe, the upper end of described stopple coupon is communicated with the side of organic phosphine rectifying outlet, and the bottom movable sealing of described stopple coupon connects receiving tank; Described stopple coupon is provided with stop valve near one end of organic phosphine rectifying outlet; The part of described stopple coupon being installed below stop valve connects one end of described nitrogen on-tube, and the other end of described nitrogen on-tube is for connecting nitrogen pot; The part of described stopple coupon being installed below stop valve also connects one end of vacuum pump connecting pipe, and the other end of described vacuum pump connecting pipe is for connecting vacuum pump; Described nitrogen on-tube and vacuum pump connecting pipe are respectively arranged with gas trap and vacuum valve.
2. organic phosphine negative pressure rectifying sampler according to claim 1, it is characterized in that, described stopple coupon is also provided with a tensimeter.
3. organic phosphine negative pressure rectifying sampler according to claim 1, is characterized in that, described stopple coupon is divided into connecting pipe and lower connecting pipe two parts, is connected between upper connecting pipe and lower connecting pipe by a pair flangeseal; Described stop valve is positioned at connecting pipe, and described nitrogen on-tube and vacuum pump connecting pipe are all positioned at lower connecting pipe.
4. organic phosphine negative pressure rectifying sampler according to claim 3, is characterized in that, be provided with O-ring seal between a pair described ring flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520829382.9U CN205067150U (en) | 2015-10-23 | 2015-10-23 | Organic phosphine negative pressure rectification sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520829382.9U CN205067150U (en) | 2015-10-23 | 2015-10-23 | Organic phosphine negative pressure rectification sampling device |
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| Publication Number | Publication Date |
|---|---|
| CN205067150U true CN205067150U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520829382.9U Active CN205067150U (en) | 2015-10-23 | 2015-10-23 | Organic phosphine negative pressure rectification sampling device |
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| CN (1) | CN205067150U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106268526A (en) * | 2016-08-23 | 2017-01-04 | 天津天美环保科技有限公司 | A kind of casting solution storage facilities |
| CN108894286A (en) * | 2018-08-20 | 2018-11-27 | 朱翠帮 | A kind of secondary water-supply case with automatic detection mechanism |
| CN113188823A (en) * | 2021-03-08 | 2021-07-30 | 西安建筑科技大学 | Reservoir sediment pollution release analogue means |
-
2015
- 2015-10-23 CN CN201520829382.9U patent/CN205067150U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106268526A (en) * | 2016-08-23 | 2017-01-04 | 天津天美环保科技有限公司 | A kind of casting solution storage facilities |
| CN108894286A (en) * | 2018-08-20 | 2018-11-27 | 朱翠帮 | A kind of secondary water-supply case with automatic detection mechanism |
| CN113188823A (en) * | 2021-03-08 | 2021-07-30 | 西安建筑科技大学 | Reservoir sediment pollution release analogue means |
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