CN204107079U - A kind of device for the multiple Simultaneous distillation-extraction instrument of fixed support - Google Patents
A kind of device for the multiple Simultaneous distillation-extraction instrument of fixed support Download PDFInfo
- Publication number
- CN204107079U CN204107079U CN201420449457.6U CN201420449457U CN204107079U CN 204107079 U CN204107079 U CN 204107079U CN 201420449457 U CN201420449457 U CN 201420449457U CN 204107079 U CN204107079 U CN 204107079U
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- Prior art keywords
- simultaneous distillation
- screw
- extraction
- extraction instrument
- hanging beam
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a kind of device for the multiple Simultaneous distillation-extraction instrument of fixed support, it is made up of workbench, flange-type hand screw rod lift, hanging beam, screw mandrel take-up clip, constant temperature electric water bath, regulating temp. electrothermal cover and Simultaneous distillation-extraction instrument.The utility model hangs multiple Simultaneous distillation-extraction instrument by the level hanging beam be fixed on the ring flange on flange-type hand screw rod lift top, again by shake screw lift handwheel, elevating screw is gently moved up and down, thus realizes multiple Simultaneous distillation-extraction instrument carry out pre-treatment simultaneously in a relatively uniformly stable extraction environment.The utility model has feature that is simple and reasonable, simple to operate, low cost of manufacture, is a kind of reappearance, extraction efficiency and extraction quantity of improving Simultaneous distillation-extraction sample pre-treatments, reduces the ideal device of test error.
Description
Technical field
The utility model relates to a kind of laboratory sample extraction pretreating device, especially relates to a kind of device for the multiple Simultaneous distillation-extraction instrument of fixed support.
Background technology
Simultaneous distillation-extraction, compared with SPME, headspace sampling etc., is a kind of effective, easy and simple to handle, pretreatment technology that qualitative, quantitative is effective.Single Simultaneous distillation-extraction instrument is when operating separately, owing to there is the complicated components of extract, the factor such as amount of samples is large, extraction time is longer, efficiency is low and vapo(u)rizing temperature is unstable, in sample can the degree of extraction component extraction may be different, thus reduce reappearance and the extraction quantity of sample pre-treatments, cause larger test error.
Summary of the invention
The purpose of this utility model there are provided a kind of can improve sample pre-treatments reappearance and extraction efficiency, the structure device for the multiple Simultaneous distillation-extraction instrument of fixed support simple, easy and simple to handle.
The purpose of this utility model is achieved in that
A kind of device for the multiple Simultaneous distillation-extraction instrument of fixed support, comprise the workbench as bench for chemistry experiment, feature is: be provided with 2n(n >=2 for electrical heating round-bottomed flask in the front end of workbench) platform regulating temp. electrothermal cover, two constant temperature electric water baths for heating water bath are installed in the rear end of workbench, the flange-type hand screw rod lift base of a band screw lift handwheel is installed in the center of workbench, a up/down perforation is processed with and the female screw hole of inwall in the centre of flange-type hand screw rod lift base, outer wall is processed with externally threaded elevating screw and screws in screw hole, elevating screw can be elevated under the rotarily driving of screw lift handwheel in screw hole, a ring flange is fixed with at the upper horizontal of elevating screw, the centre of the hanging beam of horizontal positioned is fixed on ring flange, n circular hole equidistantly and vertically downward is respectively provided with at the two ends, left and right of hanging beam, a screw mandrel take-up clip is fixed with in each circular hole, each screw mandrel take-up clip is by a peg, the take-up clip that the intermediate reflux pipe diameter of a diameter and Simultaneous distillation-extraction instrument is suitable and two stop nuts form, two stop nuts lay respectively at the upper-lower position of the circular hole of hanging beam, the upper end that outer wall is processed with externally threaded peg is upward through circular hole and is fixed on hanging beam by two stop nuts, take-up clip is fixed with in the lower end of peg, take-up clip clamps the middle part of the intermediate reflux pipe of Simultaneous distillation-extraction instrument, by adjusting two stop nuts, can up-down adjustment peg in the position of hanging beam, also the height of Simultaneous distillation-extraction instrument can just be regulated, the quantity of circular hole is identical with the quantity of the quantity of regulating temp. electrothermal cover, Simultaneous distillation-extraction instrument.
Hanging beam is a square tube.
The utility model is made up of workbench, flange-type hand screw rod lift (being made up of flange-type hand screw rod lifting pedestal and elevating screw), hanging beam, screw mandrel take-up clip, constant temperature electric water bath, regulating temp. electrothermal cover and Simultaneous distillation-extraction instrument.The utility model hangs multiple Simultaneous distillation-extraction instrument by the level hanging beam be fixed on the ring flange on flange-type hand screw rod lift top, again by shake screw lift handwheel, elevating screw is gently moved up and down, thus realizes multiple Simultaneous distillation-extraction instrument carry out pre-treatment simultaneously in a relatively uniformly stable extraction environment.
The utility model has feature that is simple and reasonable, simple to operate, low cost of manufacture, is a kind of reappearance, extraction efficiency and extraction quantity of improving Simultaneous distillation-extraction sample pre-treatments, reduces the ideal device of test error.
Accompanying drawing explanation
Fig. 1 is overall schematic of the present utility model;
Fig. 2 is the schematic diagram of Simultaneous distillation-extraction instrument in Fig. 1.
Detailed description of the invention
Contrast accompanying drawing below in conjunction with example the utility model is described in further detail.
A kind of device for the multiple Simultaneous distillation-extraction instrument of fixed support, comprise the workbench 14(L=2400mm as bench for chemistry experiment, W=60mm, H=800mm), six regulating temp. electrothermal covers 2 are installed for electrical heating round-bottomed flask 19 in the front end of workbench 14, two constant temperature electric water baths 13 for heating water bath are installed in the rear end of workbench 14, the flange-type hand screw rod lift base 8 of a band screw lift handwheel 7 is installed in the center of workbench 14, a up/down perforation is processed with and inwall female screw hole 15(Φ=30mm) in the centre of flange-type hand screw rod lift base 8, outer wall is processed with externally threaded elevating screw 6(Φ=25mm, L=1500mm) screw in screw hole 15, elevating screw 6 can be elevated under the rotarily driving of screw lift handwheel 7 in screw hole 15, a ring flange 5(Φ=50mm is fixed with) at the upper horizontal of elevating screw 6, the centre of the hanging beam 4 of horizontal positioned is fixed on ring flange 5, three equidistant 350mm are respectively provided with and circular hole vertically downward at the two ends, left and right of hanging beam 4, a screw mandrel take-up clip 9 is fixed with in each circular hole, each screw mandrel take-up clip 9 is by a peg 11, the take-up clip 3 that the intermediate reflux pipe diameter of a diameter and Simultaneous distillation-extraction instrument 12 is suitable and two stop nuts 1 form, two stop nuts 1 lay respectively at the upper-lower position of the circular hole of hanging beam 4, outer wall is processed with externally threaded peg 11(Φ=8mm, L=300mm) upper end is upward through circular hole and is fixed on hanging beam 4 by two stop nuts 1, take-up clip 3 is fixed with in the lower end of peg 11, take-up clip 3 clamps the middle part of the intermediate reflux pipe 16 of 12 of Simultaneous distillation-extraction instrument, by adjusting two stop nuts 1, can up-down adjustment peg 11 in the position of hanging beam 4, also the height of Simultaneous distillation-extraction instrument 12 can just be regulated, the quantity of Simultaneous distillation-extraction instrument 12 is identical with the quantity of regulating temp. electrothermal cover 2, is six
Hanging beam is the square tube of 25 × 25 × 2 × 2200mm.
When carrying out sample pre-treatments, the slurries of sample are placed in left round-bottomed flask 19, be connected and fixed on return duct 20 bottom on the left of Simultaneous distillation-extraction instrument 12, with right round-bottomed flask 18 splendid attire solvent, be connected and fixed on return duct 17 bottom on the right side of Simultaneous distillation-extraction instrument 12, left round-bottomed flask 19 is placed in regulating temp. electrothermal cover 2 and carries out electrical heating, right round-bottomed flask 18 is placed in constant temperature electric water bath 13 and carries out heating water bath.Slow shake screw lift handwheel 7, allow all Simultaneous distillation-extraction instrument 12 decline simultaneously, each flask is made to enter in corresponding regulating temp. electrothermal cover 2 and constant temperature electric water bath 13 respectively, regulate all regulating temp. electrothermal covers 2 in same power and temperature by test requirements document, two constant temperature electric water baths 13 carry out extracting operation at same water level and water temperature.When indivedual flask enters corresponding regulating temp. electrothermal cover 2 or constant temperature electric water bath 13 is not in place, two stop nuts 1 on the screw mandrel take-up clip 9 of correspondence can be carried out up-down adjustment.After distillation extraction operation terminates, more slowly shake screw lift handwheel 7, make all Simultaneous distillation-extraction instrument 12 rise to certain position simultaneously, take out all flasks, complete pre-treatment extracting operation.
Claims (2)
1. the device for the multiple Simultaneous distillation-extraction instrument of fixed support, comprise the workbench as bench for chemistry experiment, it is characterized in that: the 2n platform regulating temp. electrothermal cover for electrical heating round-bottomed flask is installed in the front end of workbench, n >=2, two constant temperature electric water baths for heating water bath are installed in the rear end of workbench, the flange-type hand screw rod lift base of a band screw lift handwheel is installed in the center of workbench, a up/down perforation is processed with and the female screw hole of inwall in the centre of flange-type hand screw rod lift base, outer wall is processed with externally threaded elevating screw and screws in screw hole, elevating screw can be elevated under the rotarily driving of screw lift handwheel in screw hole, a ring flange is fixed with at the upper horizontal of elevating screw, the centre of the hanging beam of horizontal positioned is fixed on ring flange, n circular hole equidistantly and vertically downward is respectively provided with at the two ends, left and right of hanging beam, a screw mandrel take-up clip is fixed with in each circular hole, each screw mandrel take-up clip is by a peg, the take-up clip that the intermediate reflux pipe diameter of a diameter and Simultaneous distillation-extraction instrument is suitable and two stop nuts form, two stop nuts lay respectively at the upper-lower position of the circular hole of hanging beam, the upper end that outer wall is processed with externally threaded peg is upward through circular hole and is fixed on hanging beam by two stop nuts, take-up clip is fixed with in the lower end of peg, take-up clip clamps the middle part of the intermediate reflux pipe of Simultaneous distillation-extraction instrument, by adjusting two stop nuts, can up-down adjustment peg in the position of hanging beam, also the height of Simultaneous distillation-extraction instrument can just be regulated, the quantity of circular hole is identical with the quantity of the quantity of regulating temp. electrothermal cover, Simultaneous distillation-extraction instrument.
2. device according to claim 1, is characterized in that: hanging beam is a square tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420449457.6U CN204107079U (en) | 2014-08-11 | 2014-08-11 | A kind of device for the multiple Simultaneous distillation-extraction instrument of fixed support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420449457.6U CN204107079U (en) | 2014-08-11 | 2014-08-11 | A kind of device for the multiple Simultaneous distillation-extraction instrument of fixed support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204107079U true CN204107079U (en) | 2015-01-21 |
Family
ID=52324442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420449457.6U Expired - Fee Related CN204107079U (en) | 2014-08-11 | 2014-08-11 | A kind of device for the multiple Simultaneous distillation-extraction instrument of fixed support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204107079U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107376417A (en) * | 2017-09-07 | 2017-11-24 | 合肥海正环境监测有限责任公司 | A kind of movable steady flat extracts device admittedly |
| CN109304049A (en) * | 2018-08-30 | 2019-02-05 | 广西壮族自治区农业科学院农产品质量安全与检测技术研究所 | A kind of liquid liquid extraction plant |
-
2014
- 2014-08-11 CN CN201420449457.6U patent/CN204107079U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107376417A (en) * | 2017-09-07 | 2017-11-24 | 合肥海正环境监测有限责任公司 | A kind of movable steady flat extracts device admittedly |
| CN109304049A (en) * | 2018-08-30 | 2019-02-05 | 广西壮族自治区农业科学院农产品质量安全与检测技术研究所 | A kind of liquid liquid extraction plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20150811 |
|
| EXPY | Termination of patent right or utility model |