CN115738365A - Multifunctional partitioned temperature control continuous extractor - Google Patents
Multifunctional partitioned temperature control continuous extractor Download PDFInfo
- Publication number
- CN115738365A CN115738365A CN202211482599.8A CN202211482599A CN115738365A CN 115738365 A CN115738365 A CN 115738365A CN 202211482599 A CN202211482599 A CN 202211482599A CN 115738365 A CN115738365 A CN 115738365A
- Authority
- CN
- China
- Prior art keywords
- pipe
- extraction
- extraction area
- area
- flask
- Prior art date
- 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.)
- Pending
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Extraction Or Liquid Replacement (AREA)
Abstract
The invention discloses a multifunctional partitioned temperature control continuous extractor which comprises a flask, an extraction pipe and a reflux condensation pipe, wherein the top end of the flask is communicated with the reflux condensation pipe through the extraction pipe; a first partition plate and a second partition plate are sequentially arranged in the extraction pipe from top to bottom, the interior of the extraction pipe is divided into an upper extraction area, a lower extraction area and a bottom avoidance area from top to bottom through the first partition plate and the second partition plate, the bottom avoidance area is communicated with the top end of the flask, and the top end of the upper extraction area is communicated with the reflux condenser pipe; a bypass pipe is arranged on one side of the extraction pipe, the top end of the bypass pipe is communicated with the upper extraction area, the middle part of the bypass pipe is communicated with the lower extraction area, the bottom end of the coiled pipe is communicated with the bottom avoiding area, an upper siphon pipe is arranged between the bottom end of the upper extraction area and the lower extraction area, and a lower circulating pipe is arranged between the bottom end of the lower extraction area and the interior of the flask; and heating equipment is respectively arranged on the periphery of the upper extraction area and the lower extraction area.
Description
Technical Field
The invention relates to the field of chemical sample processing, in particular to a multifunctional partitioned temperature control continuous extractor.
Background
The extraction apparatus is a glass apparatus for extracting required substances from solid substances by using an organic solvent, and the conventional Soxhlet extractor is divided into three parts, namely a flask, an extraction pipe and a condensation pipe from bottom to top, and is a conventional extraction device. The solvent in the lower flask is continuously gasified during the extraction of the Soxhlet extractor, the gasified solvent reaches the upper condensing tube through the bypass tube of the extraction tube, and the gasified solvent is cooled into liquid and dropped into the extraction tube to soak the extracted object to achieve the extraction purpose. However, because the extraction temperature of each substance is different, the existing extractor can only extract one substance, and cannot extract different substances simultaneously under different temperature conditions, and the functionality is single, so that the improvement of the extraction is needed.
Disclosure of Invention
The invention aims to solve the problems and provides a multifunctional partitioned temperature control continuous extractor which is simple in structure and can perform partitioned temperature control extraction operation.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a multifunctional partitioned temperature control continuous extractor comprises a flask, an extraction pipe and a reflux condensation pipe, wherein the top end of the flask is communicated with the reflux condensation pipe through the extraction pipe; a first partition plate and a second partition plate are sequentially arranged in the extraction pipe from top to bottom, the interior of the extraction pipe is divided into an upper extraction area, a lower extraction area and a bottom avoidance area from top to bottom through the first partition plate and the second partition plate, the bottom avoidance area is communicated with the top end of the flask, and the top end of the upper extraction area is communicated with the bottom end of the reflux condenser pipe; a bypass pipe is arranged on one side of the extraction pipe, the top end of the bypass pipe is communicated with the top of the upper extraction area, the middle part of the bypass pipe is communicated with the top of the lower extraction area, the bottom end of the coiled pipe is communicated with the bottom avoiding area, an upper siphon is arranged between the bottom end of the upper extraction area and the lower extraction area, and a lower circulating pipe is arranged between the bottom end of the lower extraction area and the interior of the flask; and heating equipment is respectively arranged on the periphery of the upper extraction area and the lower extraction area.
Furthermore, the heating device comprises an upper infrared heating jacket and a lower infrared heating jacket, the upper infrared heating jacket and the lower infrared heating jacket are fixedly sleeved outside the extraction pipe, the upper infrared heating jacket is positioned outside the upper extraction area and performs heating operation on the upper extraction area, and the lower infrared heating jacket is positioned outside the lower extraction area and performs heating operation on the lower extraction area.
Furthermore, an upper siphon return control valve for controlling the flow state of the upper siphon is arranged on the upper siphon; the lower circulation pipe is provided with a lower circulation pipe reflux control valve for controlling the circulation state of the lower circulation pipe.
Furthermore, one side of the lower extraction zone is provided with a lower extraction zone feed inlet capable of feeding materials into the lower extraction zone, and the lower extraction zone feed inlet is a closable feed inlet.
Further, an electric heating sleeve is arranged on the outer side of the flask, and the interior of the flask is heated through the electric heating sleeve; the bottom of the flask is provided with a bottom liquid outlet, the bottom liquid outlet is connected with a liquid outlet guide pipe, and the bottom liquid outlet is provided with a liquid outlet control valve.
Further, one side of the top end of the flask is provided with a liquid inlet and is connected with a liquid inlet assembly through the liquid inlet; the feed liquor subassembly includes a plurality of stock solution bottle, and a plurality of stock solution bottle bottom top all is provided with stock solution bottle feed inlet, and a plurality of stock solution bottle bottom all is provided with stock solution bottle discharge gate and is provided with the stock solution bottle control valve in the stock solution bottle discharge gate, and a plurality of stock solution bottle discharge gate all is linked together with the one end of honeycomb duct, and the other end of honeycomb duct is to the intercommunication with the inlet on flask top.
Furthermore, a plurality of liquid storage bottles are fixedly connected to the liquid storage bottle support.
Furthermore, the multifunctional partitioned temperature control continuous extractor also comprises an extractor controller, wherein the extractor controller is respectively connected with the upper infrared heating sleeve, the lower infrared heating sleeve and the electric heating sleeve through circuits and respectively controls the heating temperature of the upper infrared heating sleeve, the lower infrared heating sleeve and the electric heating sleeve; the extractor controller is respectively connected with the upper siphon reflux control valve, the lower circulating pipe reflux control valve, the liquid outlet control valve and the liquid storage bottle control valves through lines and respectively controls the opening and closing states of the liquid storage bottle control valves.
Compared with the prior art, the invention has the advantages and positive effects that:
1. the invention divides the upper extraction area and the lower extraction area which are independent from each other in the extraction pipe and respectively arranges the infrared heating sleeves outside the extraction pipe, so that the extraction pipe can simultaneously carry out extraction operation on two different extracted objects at different temperatures, thereby improving the extraction efficiency and the extraction precision;
2. the invention can realize the extraction operation of a single extracted object and can simultaneously perform the extraction operation of two extracted objects by the design of arranging the upper siphon and the lower circulating pipe and respectively arranging the control valves, so that the functions of the extractor are more diversified;
3. the invention can contain different solvents in different liquid storage bottles by arranging a plurality of liquid storage bottles, and can realize the alternate continuous automatic extraction operation of different solvents on the extracted object by the control of the extractor controller;
4. the invention can place different solid phase adsorbents and extraction solvents through a plurality of liquid storage bottles, can select different solid phase adsorbents and different extraction solvents according to the properties of a target object, and has wider applicability and application range;
5. in the extraction process, the extraction liquid can be used for sampling and testing different solvents or extraction liquids with different reaction times in the flask at any time without stopping the reaction, so that the operation is more convenient;
6. after extraction is finished, the extraction solution can be directly concentrated and injected without the steps of filtering, centrifuging and the like, so that automation is conveniently realized;
7. the invention can realize the simultaneous completion of extraction and purification, simplifies the operation steps, reduces the sample loss and errors, and improves the precision and accuracy of the test operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments of the present invention, should be included in the protection scope of the present invention.
As shown in fig. 1, the present embodiment discloses a multifunctional partitioned temperature control continuous extractor, which mainly comprises an extraction tube 2, a round-bottom flask 17, a No. 1 liquid storage bottle 23, a No. 2 liquid storage bottle 24, an electric heating jacket 30, an upper infrared heating jacket 3, a lower infrared heating jacket 4, and an extractor controller 31; a first partition plate 7 and a second partition plate 11 are sequentially arranged in the extraction pipe 2 from top to bottom, the interior of the extraction pipe 2 is divided into an upper extraction area 6, a lower extraction area 10 and a bottom avoidance area 15 from top to bottom through the first partition plate 7 and the second partition plate 11, the top end of the upper extraction area 6 is connected with a reflux condenser pipe 1 for condensing and refluxing gas, the inner diameter of an upper port of the extraction pipe 2 is 4-5 cm, the inner diameter of a lower port of the extraction pipe 2 is 3-4 cm, and the inner diameter of the extraction pipe 2 is 8-10 cm; the side wall of the lower extraction zone 10 is provided with a lower extraction zone feed inlet 9, and the caliber of the lower extraction pipe feed inlet is 3-5 cm; an upper siphon pipe 12 is arranged at the right side of the upper extraction area 6, the height of the upper siphon pipe 12 is 8-10 cm, one end of the upper siphon pipe 12 is communicated with the upper end of the first partition plate 7, the other end of the upper siphon pipe is downwards formed into a pipeline, and an outlet of the upper siphon pipe is close to the top of the lower extraction area 10; an upper siphon backflow control valve 13 is arranged in a pipeline of the upper siphon 12, and the inner diameter of the upper siphon backflow control valve 13 is 0.5-1 cm; a lower circulating pipe 14 is arranged at the right side of the lower extraction zone 10, one end of the lower circulating pipe 14 is communicated with the upper end of the second partition plate 11, the other end of the lower circulating pipe 14 downwards forms a pipeline, the outlet of the lower circulating pipe is communicated with the mouth 18 of the round-bottom flask, a lower circulating pipe reflux control valve 16 is arranged in the pipeline of the lower circulating pipe 14, and the inner diameter of the lower circulating pipe reflux control valve 16 is 0.5-1 cm; a bypass pipe 5 is arranged on the left side outside the extraction pipe 2, the top end of the bypass pipe 5 is connected with an upper extraction area 6, a communication interface 8 is arranged in the middle of the bypass pipe 5 and is connected with a lower extraction area 10 through the communication interface 8, and the bottom end of the bypass pipe 5 is connected with a bottom avoidance area 15; the bottom avoiding area 15 is communicated with a round-bottom flask opening 18, a liquid inlet 19 of the round-bottom flask 17 is communicated with a liquid storage bottle No. 1 and a liquid storage bottle No. 2 24, a liquid outlet 20 at the bottom of the round-bottom flask 17 is communicated with a liquid outlet guide pipe 22, and the opening and closing state is controlled through an arranged liquid outlet control valve 21 to be used for discharging liquid in the round-bottom flask; a liquid inlet 19 of the round-bottom flask 17 is connected with a No. 1 liquid storage bottle 23 and a No. 2 liquid storage bottle 24 through a guide pipe 28, the No. 1 liquid storage bottle 23 and the No. 2 liquid storage bottle 24 are both arranged on a liquid storage bottle bracket 29, liquid storage bottle feed inlets 25 are respectively arranged at the top ends of the two liquid storage bottles, the liquid storage bottle feed inlets 25 are used for adding different solvents into the bottles, liquid storage bottle discharge outlets 26 are respectively arranged at the bottom ends of the two liquid storage bottles, the liquid storage bottle discharge outlets 26 are connected with a liquid storage bottle control valve 27, the liquid storage bottle control valve 27 controls the solvents in the liquid storage bottles to flow into the round-bottom flask 17, and the inner diameter of the liquid storage bottle control valve is 0.5-1 cm; the electric heating jacket 30 is used for heating the round-bottom flask 17, the upper infrared heating jacket 3 and the lower infrared heating jacket 4 are respectively used for heating the upper extraction area 6 and the lower extraction area 10, and the temperature of the upper extraction area and the temperature of the lower extraction area can be respectively and independently regulated and controlled; the extractor controller 31 can set the temperature, time, and on/off the electric heating jacket 30, the upper infrared heating jacket 3, and the lower infrared heating jacket 4, respectively, and can set and on/off the on/off time of the upper siphon reflux control valve 13, the lower flow pipe reflux control valve 16, the liquid outlet control valve 21, and the liquid storage bottle control valve 27.
In the partitioned temperature control continuous extraction process, different solid samples wrapped by filter paper are respectively placed in an upper extraction area 6 and a lower extraction area 10, a solid sample extracted at a low temperature is placed in the upper extraction area 6, and a solid sample extracted at a high temperature is placed in the lower extraction area 10; adding different solvents into a round-bottom flask 17, a No. 1 liquid storage bottle 23 and a No. 2 liquid storage bottle 24, connecting a reflux condenser tube 1, an extraction tube 2, the round-bottom flask 17, a liquid outlet guide tube 22, a guide tube 28, the No. 1 liquid storage bottle 23 and the No. 2 liquid storage bottle 24 from top to bottom, then placing the two into an electric heating jacket 30, and connecting an upper infrared heating jacket 3, a lower infrared heating jacket 4, an upper siphon reflux control valve 13, a lower circulating tube reflux control valve 16, a liquid outlet control valve 21 and a liquid storage bottle control valve 27 to an extraction instrument controller 31 through round hole plug wires; opening the display screen and the keys of the extractor controller 31, opening the upper infrared heating jacket 3 and the lower infrared heating jacket 4, setting the temperature of the upper infrared heating jacket 3 to be lower than that of the lower infrared heating jacket 4, setting the lower circulation pipe reflux control valve 16 to be opened 10s before the upper extraction zone 6 siphons reflux, and closing after 10s (for example, the upper extraction zone 6 siphons reflux period is 200s, then setting the lower circulation pipe reflux control valve 16 to be closed 190s, and opening 10s, and the action periods of the two extraction zones are synchronously 200 s), setting the opening time of the liquid storage bottle control valve 27 of the liquid storage bottle No. 1 and the liquid storage bottle No. 2 24, setting the heating time, the heating temperature and the liquid extraction discharge time of the electric heating jacket 30 to the round-bottomed flask 17, and setting the automatic control sequence of the extractor as follows: closing an upper siphon reflux control valve 13, a lower runner reflux control valve 16, a liquid storage bottle control valve 27 and a liquid outlet control valve 21, heating a round-bottomed flask 17, enabling a solvent in the round-bottomed flask 17 to enter an upper extraction area 6 through a bypass pipe 5 and enter a reflux condenser 1 for condensation, enabling the condensed solvent to reflux into the upper extraction area 6, performing extraction operation on a solid sample in the upper extraction area 6 under the action of an upper infrared heating sleeve 3, siphoning the solvent in the upper extraction area 6 into a lower extraction area 10 when the solvent in the upper extraction area reaches a certain height, opening the lower runner reflux control valve 16 10s before condensate starts siphoning reflux, enabling the liquid in the upper extraction area 6 to enter the lower extraction area 10 through an upper runner 14, enabling the liquid in the lower extraction area 10 to reflux into the round-bottomed flask 17 through a lower runner 14, closing the lower runner reflux control valve 16 after 10s, opening the upper siphon reflux control valve 13, enabling the condensate in the upper extraction area 6 to enter the lower extraction area 10 through an upper siphon 12 and to perform reflux operation on the solid sample in the lower extraction area 10 under the action of the lower infrared heating sleeve 4, and waiting for one-time when the upper siphon reflux control valve 13 is closed; taking the circulation as a periodic circulation, after 60-120 min, stopping heating the round-bottom flask 17, opening the upper siphon reflux control valve 13, the lower circulation pipe reflux control valve 16 and the liquid outlet control valve 21, enabling the liquid in the extraction pipe 2 to reflux into the round-bottom flask 17, then completely discharging through the bottom liquid outlet 20 of the round-bottom flask 17, and collecting; after 5-10 min, closing the upper siphon reflux control valve 13, the lower circulating pipe reflux control valve 16 and the liquid outlet control valve 21, opening the liquid storage bottle control valve 27, so that the solvent in the No. 1 liquid storage bottle 23 enters the round-bottom flask 17 through the flow guide pipe 28, repeating the steps, and extracting the solid samples in the upper extraction area 6 and the lower extraction area 10 again by using the solvent in the No. 1 liquid storage bottle 23; and circulating in the sequence, and finally, extracting the solid samples in the upper extraction area 6 and the lower extraction area 10 again by using the solvent in the No. 2 liquid storage bottle 24, so that the automatic alternate extraction operation of the three extraction solvents on the solid samples is realized.
In the extraction process, the solvent in the round-bottom flask 17 is boiled under the heating of the electric heating sleeve 30, the generated steam is condensed in the reflux condenser pipe 1 through the bypass pipe 5, the refluxed solvent passes through a sample to extract related substances, the liquid outlet control valve 21 can be opened at any time in the extraction process, and the sampling is carried out through the liquid outlet conduit 22; after each extraction, the lower flow-through reflux control valve 16 was closed and the round-bottomed flask 17 was heated for distillation, thereby achieving extraction and distillation without transferring liquid.
The extraction rate of acetone, tetrahydrofuran and carbon disulfide on anthracite and coking coal and the composition of an extraction solution are analyzed by the extractor in the embodiment, and the operation is specifically as follows:
putting a coking coal sample into an upper extraction area through a port at the top end of an extraction pipe, putting an anthracite coal sample into a lower extraction area, adding an acetone solvent into a round-bottomed flask, adding a tetrahydrofuran solvent into a No. 1 liquid storage bottle, adding a carbon disulfide solvent into a No. 2 liquid storage bottle, putting the round-bottomed flask into an electric heating sleeve connected with an extractor controller, connecting the upper end of the extraction pipe with a reflux condenser pipe, closing an upper siphon pipe reflux control valve, a lower circulating pipe reflux control valve, a liquid storage bottle control valve and a liquid outlet control valve, setting the lower circulating pipe reflux control valve to be closed for 300s and then opened for 10s when the round-bottomed flask starts to heat through an extractor controller, and circulating in this order, wherein the heating temperature of the round-bottomed flask filled with the acetone solution is 55 ℃, the heating temperature of an upper infrared heating sleeve is 45 ℃, the heating temperature of the lower infrared heating sleeve is 55 ℃, and the heating time is 60min; when a tetrahydrofuran solution is used as a solvent, the heating temperature of the round-bottom flask is 65 ℃, the heating temperature of the upper infrared heating jacket is 55 ℃, the heating temperature of the lower infrared heating jacket is 65 ℃, and the heating time is 60min; when the carbon disulfide solution is used as a solvent, the heating temperature of the round-bottom flask is 45 ℃, the heating temperature of the upper infrared heating jacket is 35 ℃, the heating temperature of the lower infrared heating jacket is 45 ℃, and the heating time is 60min; refluxing and changing the extractive solution extracted from each solvent for 10min; and after the setting is finished, starting to perform 200-min automatic alternate extraction operation on the three extraction solvents, evaporating and concentrating the three extraction solutions to 1ml at set temperature respectively, and measuring by adopting a GC/MS instrument.
The multifunctional partitioned temperature control continuous extractor combines the universality and the high efficiency of partitioned temperature control heating extraction and the high selectivity of solid phase extraction, has a simple structure, is convenient to operate, can realize multiple purposes, can perform continuous extraction operation on two different samples through partitioned temperature control, can perform continuous alternate extraction operation on the samples by using different solvents, can perform sampling and concentration distillation operation on an extraction solution without transferring the samples, and reduces the loss of effective substances, thereby improving the extraction efficiency and the extraction precision of the extractor.
Claims (8)
1. A multifunctional partitioned temperature control continuous extractor comprises a flask, an extraction pipe and a reflux condensation pipe, wherein the top end of the flask is communicated with the reflux condensation pipe through the extraction pipe; the method is characterized in that: a first partition plate and a second partition plate are sequentially arranged in the extraction pipe from top to bottom, the interior of the extraction pipe is divided into an upper extraction area, a lower extraction area and a bottom avoiding area from top to bottom through the first partition plate and the second partition plate, the bottom avoiding area is communicated with the top end of the flask, and the top end of the upper extraction area is communicated with the bottom end of the reflux condenser pipe; a bypass pipe is arranged on one side of the extraction pipe, the top end of the bypass pipe is communicated with the top of the upper extraction area, the middle part of the bypass pipe is communicated with the top of the lower extraction area, the bottom end of the coiled pipe is communicated with the bottom avoiding area, an upper siphon is arranged between the bottom end of the upper extraction area and the lower extraction area, and a lower circulating pipe is arranged between the bottom end of the lower extraction area and the interior of the flask; and heating equipment is respectively arranged on the periphery of the upper extraction area and the lower extraction area.
2. The multi-functional zonal temperature-controlled continuous extractor of claim 1, wherein: the heating device comprises an upper infrared heating sleeve and a lower infrared heating sleeve, wherein the upper infrared heating sleeve and the lower infrared heating sleeve are fixedly sleeved on the outer side of the extraction pipe, the upper infrared heating sleeve is positioned on the outer side of the upper extraction area and carries out heating operation on the upper extraction area, and the lower infrared heating sleeve is positioned on the outer side of the lower extraction area and carries out heating operation on the lower extraction area.
3. The multi-functional zonal temperature-controlled continuous extractor of claim 2, wherein: the upper siphon is provided with an upper siphon backflow control valve for controlling the flow state of the upper siphon; the lower circulation pipe is provided with a lower circulation pipe reflux control valve for controlling the circulation state of the lower circulation pipe.
4. The multi-functional zonal temperature-controlled continuous extractor of claim 3, wherein: one side of the lower extraction area is provided with a lower extraction area feed inlet which can feed materials into the lower extraction area, and the lower extraction area feed inlet is a feed inlet which can be closed.
5. The multi-functional zonal temperature-controlled continuous extractor of claim 4, wherein: an electric heating sleeve is arranged on the outer side of the flask and is used for heating the interior of the flask; the bottom of the flask is provided with a bottom liquid outlet, the bottom liquid outlet is connected with a liquid outlet guide pipe, and the bottom liquid outlet is provided with a liquid outlet control valve.
6. The multi-functional zonal temperature control continuous extractor of claim 5, wherein: a liquid inlet is formed in one side of the top end of the flask and is connected with a liquid inlet assembly through a liquid inlet; the feed liquor subassembly includes a plurality of stock solution bottle, and a plurality of stock solution bottle bottom all is provided with stock solution bottle feed inlet, and a plurality of stock solution bottle bottom all is provided with stock solution bottle discharge gate and is provided with the stock solution bottle control valve in the stock solution bottle discharge gate, and a plurality of stock solution bottle discharge gate all is linked together with the one end of honeycomb duct, and the other end of honeycomb duct is to the intercommunication with the inlet on flask top.
7. The multi-functional zonal temperature control continuous extractor of claim 6, wherein: the liquid storage bottles are fixedly connected to the liquid storage bottle support.
8. The multi-functional zonal temperature-controlled continuous extractor of claim 7, wherein: the multifunctional partitioned temperature control continuous extractor also comprises an extractor controller, wherein the extractor controller is respectively connected with the upper infrared heating sleeve, the lower infrared heating sleeve and the electric heating sleeve through circuits and respectively controls the heating temperature of the upper infrared heating sleeve, the lower infrared heating sleeve and the electric heating sleeve; the extractor controller is respectively connected with the upper siphon reflux control valve, the lower circulating pipe reflux control valve, the liquid outlet control valve and the liquid storage bottle control valves through lines and respectively controls the opening and closing states of the liquid storage bottle control valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211482599.8A CN115738365A (en) | 2022-11-24 | 2022-11-24 | Multifunctional partitioned temperature control continuous extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211482599.8A CN115738365A (en) | 2022-11-24 | 2022-11-24 | Multifunctional partitioned temperature control continuous extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115738365A true CN115738365A (en) | 2023-03-07 |
Family
ID=85336975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211482599.8A Pending CN115738365A (en) | 2022-11-24 | 2022-11-24 | Multifunctional partitioned temperature control continuous extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115738365A (en) |
-
2022
- 2022-11-24 CN CN202211482599.8A patent/CN115738365A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9664601B1 (en) | Pre-treatment method for determination of volatile thio-ether compounds in offensive odorous sediment | |
| US6402947B1 (en) | Interphase device for the direct coupling of liquid chromatography and gas chromatography | |
| CN107656003A (en) | A kind of gas-chromatography large volume sample injection system and method | |
| CN104436753A (en) | Solid phase extractor | |
| CN115738365A (en) | Multifunctional partitioned temperature control continuous extractor | |
| US4083690A (en) | Automatic preparation of sample for analysis | |
| US3944824A (en) | Method and device for sampling gases | |
| CN100362347C (en) | Solvent quenching accelerating device online co-operated with gas phase chromatography and method thereof | |
| CN212236020U (en) | Novel distillation device | |
| KR100217890B1 (en) | Automated synthesis apparatus and method of controlling the apparatus | |
| CN105865891A (en) | Internal standard substance release and escape product enrichment combination device for thermal analyzer and use method of device | |
| CN209513734U (en) | A kind of automatic liquid chromatography waste liquid classified collection device | |
| CN110927293A (en) | Integrated gas chromatography analysis system for detecting oxidation reaction gas and analysis method thereof | |
| CN211111880U (en) | Organic matter extraction-separation-cleaning-recovery device | |
| CN105910853A (en) | Instantaneous sampling apparatus for radioactive bench test | |
| CN2535103Y (en) | Normal pressure microwave dual-stirring auxiliary extracting apparatus | |
| CN206262154U (en) | A kind of biliquid automatic alternating extraction device | |
| CN207318430U (en) | A kind of vertical sample introduction transverse direction large volume sample injection system of gas-chromatography | |
| CN202912907U (en) | Device for dehydrating oils with distillation method | |
| CN203408724U (en) | Novel distillation device | |
| CN211394408U (en) | Preparation device for houttuynia cordata volatile oil and saturated aromatic water | |
| CN206420837U (en) | Full-automatic headspace sampling device | |
| CN206008077U (en) | The distillating still of feeding can be facilitated | |
| CN107589208A (en) | A kind of vertical sample introduction transverse direction large volume sample injection system and method for gas-chromatography | |
| CN110684552A (en) | Organic matter extraction-separation-cleaning-recovery device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |