CN212206756U - Vacuum extraction device for chemical organic synthesis - Google Patents
Vacuum extraction device for chemical organic synthesis Download PDFInfo
- Publication number
- CN212206756U CN212206756U CN202021174218.6U CN202021174218U CN212206756U CN 212206756 U CN212206756 U CN 212206756U CN 202021174218 U CN202021174218 U CN 202021174218U CN 212206756 U CN212206756 U CN 212206756U
- Authority
- CN
- China
- Prior art keywords
- vacuum
- tube
- valve
- sampling
- sample
- 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.)
- Expired - Fee Related
Links
- 239000000126 substance Substances 0.000 title claims abstract description 16
- 238000000605 extraction Methods 0.000 title claims abstract description 14
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 13
- 238000005070 sampling Methods 0.000 claims abstract description 69
- 238000010926 purge Methods 0.000 claims abstract description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 238000009792 diffusion process Methods 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 17
- 239000000463 material Substances 0.000 abstract description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000001361 adipic acid Substances 0.000 description 2
- 235000011037 adipic acid Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model relates to a vacuum extraction device for chemical organic synthesis, including reation kettle and sample jar, reation kettle's top is equipped with vacuum tube and evacuation pipe, reation kettle's top is through vacuum tube connection vacuum pump, be equipped with the vacuum valve on the vacuum tube, the vacuum tube passes through a port connection sampling tube of vacuum valve, the vacuum tube passes through another port connection sampling tube of vacuum valve, the vacuum tube is close to reation kettle's one end and is connected with the purge tube, be equipped with the sample return valve on the sampling tube, the free end that the vacuum tube was kept away from to the sampling tube is connected with the sample jar; the utility model provides a vacuum extraction device, sample return circuit form airtight circulation channel, can not cause the pollution of liquid itself because of the sample, and the liquid that remains after the sample can flow back to reation kettle, avoids the material extravagant, and convenient operation.
Description
Technical Field
The utility model belongs to the technical field of chemical industry equipment, concretely relates to a vacuum draw-out device for chemistry is organic synthetic.
Background
Organic synthesis refers to a process of chemically preparing simple substances, simple inorganic substances or simple organic substances into more complex organic substances, such as preparing methanol from hydrogen and carbon dioxide, preparing vinyl chloride from acetylene, polymerizing to obtain polyvinyl chloride resin, preparing adipic acid and hexamethylenediamine from phenol through a series of reactions, and condensing the adipic acid and the hexamethylenediamine into polyamide 66 fibers.
The degree of reaction proceeding needs to be detected in the reaction process, samples need to be extracted from a reaction kettle for detection, the operation scheme is timely adjusted through sampling analysis according to the analysis result of data and the production needs, the safety and stable operation of the device are guaranteed, and how to timely, accurately, safely and conveniently obtain representative samples, meanwhile, the equipment cost can be reduced, the problem that chemical engineering designers should carefully consider is solved, the existing extraction samples generally adopt sampling holes formed in the reaction kettle, and the samples are extracted from the sampling holes through a manual operation instrument, so that the sampling mode is unsafe, pollution is easily caused, the operation is inconvenient and the like, and therefore the existing sampling system needs to be improved and designed.
Disclosure of Invention
The utility model aims at solving the problem that proposes in the background art, and provide a vacuum draw-out device for chemistry is synthetic organically, sample return circuit forms airtight circulation channel, can not cause the pollution of liquid itself because of the sample, and the liquid that remains after the sample can flow back to reation kettle, avoids the material extravagant, and convenient operation.
The purpose of the utility model is realized like this:
the utility model provides a vacuum draw-out device for chemistry is synthetic organically, includes reation kettle and sample jar, reation kettle's top is equipped with vacuum tube and evacuation pipe, vacuum tube connection vacuum pump is passed through at reation kettle's top, be equipped with the vacuum valve on the vacuum tube, the sampling tube is connected through a port of vacuum valve to the vacuum tube, the sample tube is connected into through another port of vacuum valve to the vacuum tube, the one end that the vacuum tube is close to reation kettle is connected with the purge tube, be equipped with back the appearance valve on the sampling tube, the sample jar is connected to the free end that the vacuum tube was kept away from to the sampling tube.
Preferably, the sampling pipe is provided with a sampling valve, and the purging pipe is provided with a purging valve.
Preferably, the free end of the sampling tube, which is far away from the vacuum tube, is connected with the sampling tank through a cooler.
Preferably, a needle valve and a tee joint are arranged on a pipeline between the cooler and the sampling tank, and the needle valve and the tee joint are connected through threads.
Preferably, the emptying pipe is sequentially provided with a pressure gauge and an emptying valve, and the pressure gauge is a diffusion semiconductor type pressure sensor.
Preferably, the sampling tube and the sampling tube are both glass tubes or stainless steel tubes.
Preferably, nitrogen is introduced into the purge tube.
Preferably, the free ends of the sampling pipe and the sample feeding pipe are connected to a regulating valve group, the inlet-outlet pressure difference range of the regulating valve is 0.1-0.44MPa, the pipe diameters of the sampling pipe and the sample feeding pipe are DN6-DN15, the sampling pipe is arranged at the low-pressure inlet end of the regulating valve group, and the sample feeding pipe is arranged at the high-pressure inlet end of the regulating valve group.
Preferably, a flow-limiting orifice plate is arranged in one end of the sampling tube, which is close to the vacuum tube.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model provides a vacuum draw-out device for chemistry organic synthesis, when the inoperative condition, vacuum valve, sample introduction valve, return appearance valve, needle valve, blowoff valve, purge valve all be in the closed condition, under the standby condition, open needle valve and blowoff valve, in order to guarantee the accuracy of sample, close the blowoff valve earlier before formal sampling, slowly open the vacuum valve, liquid flows into the sample jar through needle valve from the reation kettle bottom under the negative pressure effect, observe the liquid level scale on the sample jar simultaneously, when the liquid level reaches the regulation height, close vacuum valve and needle valve, then slowly open the blowoff valve, repeat above-mentioned operation twice, rinse the device, wait for the above-mentioned operation of third repetition, just begin the sample formally, at this moment, when the liquid level in the sample jar reaches the regulation height, close vacuum valve and needle valve immediately, slowly open the blowoff valve again, opening a purging valve on a nitrogen purging pipe, closing a vacuum valve on a vacuum pipe, purging the sampling pipe for at least 1min by using nitrogen, then closing a needle valve on the sampling pipe, opening an emptying valve, opening the sampling tank to sample when the internal and external air pressures of the sampling tank are equal, performing inspection analysis, closing the sampling tank and the vacuum valve after sampling is finished, opening the emptying valve, and opening a sample returning valve to make liquid in the sampling pipe flow back to the reaction kettle.
2. The utility model provides a pair of a vacuum draw-out device for chemistry is organic synthetic, the exit pipeline of appearance liquid sets up side by side and forms airtight circulation channel, through vacuum extraction and discharge make there is pressure differential between two pipelines, the sample of being convenient for circulates in sampling system, in the raffinate accessible of sampling in-process returned the appearance valve and gets into reation kettle, avoids extravagant raw materials.
3. The utility model provides a pair of a vacuum draw-out device for chemistry is organic synthetic opens the sample cooler when medium operating temperature is higher than or equal to 60 ℃ sampling point to reduce sample temperature, avoid the sample personnel to scald.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Figure 2 is the utility model discloses cooler and sample jar connection schematic diagram.
Fig. 3 is a schematic view of embodiment 2 of the present invention.
In the figure: 1. a reaction kettle; 2. a vacuum tube; 3. a vacuum pump; 4. emptying the pipe; 5. an evacuation valve; 6. a pressure gauge; 7. a vacuum valve; 8. a sampling tube; 9. a sample return valve; 10. a sample inlet pipe; 11. a sample injection valve; 12. a purge tube; 13. a purge valve; 14. a cooler; 15. a tee joint; 16. a needle valve; 17. and (5) sampling the tank.
Detailed Description
The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.
Example 1
With reference to fig. 1 and 2, a vacuum draw-out device for chemical organic synthesis, including reation kettle 1 and sample jar 17, reation kettle 1's top is equipped with vacuum tube 2 and evacuation pipe 4, be equipped with manometer 6 and exhaust-valve 5 on the evacuation pipe 4 in proper order, manometer 6 is diffusion semiconductor formula pressure sensor, vacuum tube 2 is passed through at reation kettle 1's top and is connected vacuum pump 3, be equipped with vacuum valve 7 on the vacuum tube 2, sample tube 8 is connected through a port of vacuum valve 7 to vacuum tube 2, be equipped with back appearance valve 9 on the sample tube 8, sample jar 17 is connected to the free end that vacuum tube 2 was kept away from to sample tube 8.
The vacuum tube 2 is connected with a sample inlet tube 10 through another port of the vacuum valve 7, a sample inlet valve 11 is arranged on the sample inlet tube 10, one end, close to the reaction kettle 1, of the vacuum tube 2 is connected with a purging tube 12, and a purging valve 13 is arranged on the purging tube 12.
When the sampling device is in a non-working state, the vacuum valve, the sample inlet valve, the sample return valve, the needle valve, the emptying valve and the purge valve are all in a closed state, the needle valve and the emptying valve are opened under the standby condition, in order to ensure the sampling accuracy, the emptying valve is closed firstly before formal sampling, the vacuum valve is opened slowly, liquid flows into the sampling tank from the bottom of the reaction kettle through the needle valve under the action of negative pressure, liquid level scales on the sampling tank are observed simultaneously, when the liquid level reaches a specified height, the vacuum valve and the needle valve are closed, then the emptying valve is opened slowly, the device is rinsed by repeating the operations twice, when the operations are repeated for the third time, the formal sampling is started, at the moment, when the liquid level in the sampling tank reaches the specified height, the vacuum valve and the needle valve are immediately closed, then the emptying valve is opened slowly, the purge valve on the nitrogen purge pipe is opened, the vacuum valve on the vacuum pipe is closed, and purging the sampling tube for at least 1min by using nitrogen, then closing a needle valve on the sampling tube, opening an emptying valve, opening the sampling tank for sampling when the internal and external air pressures of the sampling tank are equal, performing inspection and analysis, closing the sampling tank and a vacuum valve after sampling is finished, opening the emptying valve, and then opening a sample return valve to enable liquid in the sampling tube to flow back into the reaction kettle.
Be equipped with needle valve 16 and tee bend 15 on the pipeline between cooler 14 and the sample jar 17, needle valve 16 and tee bend 15 pass through the screw thread and connect, and sample needle valve and tee bend are connected with the screw thread, and convenient dismantlement is changed and all will scrub the cubic sample bottle with the sample when sampling personnel take a sample, so raffinate between tee bend and the screw thread can not finally enter into the sample that needs the analysis in, to the unified recovery processing of the waste liquid of scrubbing the sample
Example 2
On the basis of embodiment 1, combine fig. 3, the free end of sampling tube and sample inlet pipe all is connected to the governing valve group, can regard as the parallel pipeline, the exit differential pressure scope of governing valve is 0.1-0.44MPa, and the pressure drop in the sampling system is the same with the governing valve pressure drop, and the pipe diameter of sampling tube and sample inlet pipe is DN10, the sampling tube is installed at the low pressure entry end of governing valve group, and the sample inlet pipe is installed at the high pressure entry end of governing valve group, and the exit pipeline of sample liquid sets up side by side and forms airtight circulation channel, makes to have pressure differential between two pipelines through vacuum extraction and discharge, and the sample of being convenient for circulates in the sampling system, and the raffinate in the sampling process can get into in the reation kettle through the sample return valve, avoids extravagant.
Above only be the preferred embodiment of the present invention, not be used for limiting the utility model discloses, the all be in the utility model discloses an any modification of doing in the protection scope, equal replacement etc. all should be contained within the protection scope of the utility model.
Claims (7)
1. A vacuum extraction device for chemical organic synthesis, comprising a reaction kettle (1) and a sampling tank (17), and is characterized in that: the top of reation kettle (1) is equipped with vacuum tube (2) and evacuation pipe (4), vacuum pump (3) is connected through vacuum tube (2) at the top of reation kettle (1), be equipped with vacuum valve (7) on vacuum tube (2), sampling tube (8) is connected through a port of vacuum valve (7) in vacuum tube (2), sample tube (10) is connected into through another port of vacuum valve (7) in vacuum tube (2), the one end that vacuum tube (2) are close to reation kettle (1) is connected with sweeps pipe (12), be equipped with back appearance valve (9) on sampling tube (8), sampling tube (8) are kept away from the free end of vacuum tube (2) and are connected sample jar (17).
2. A vacuum extraction apparatus for chemical organic synthesis according to claim 1, wherein: the sampling tube (10) is provided with a sampling valve (11), and the purging tube (12) is provided with a purging valve (13).
3. A vacuum extraction apparatus for chemical organic synthesis according to claim 1, wherein: the free end of the sampling tube (8) far away from the vacuum tube (2) is connected with a sampling tank (17) through a cooler (14).
4. A vacuum extraction apparatus for chemical organic synthesis according to claim 3, wherein: and a needle valve (16) and a tee joint (15) are arranged on a pipeline between the cooler (14) and the sampling tank (17), and the needle valve (16) and the tee joint (15) are connected through screw threads.
5. A vacuum extraction apparatus for chemical organic synthesis according to claim 1, wherein: the emptying pipe (4) is sequentially provided with a pressure gauge (6) and an emptying valve (5), and the pressure gauge (6) is a diffusion semiconductor type pressure sensor.
6. A vacuum extraction apparatus for chemical organic synthesis according to claim 1, wherein: the sampling tube (8) and the sampling tube (10) are both glass tubes or stainless steel tubes.
7. A vacuum extraction apparatus for chemical organic synthesis according to claim 1, wherein: and nitrogen is introduced into the purging pipe (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021174218.6U CN212206756U (en) | 2020-06-23 | 2020-06-23 | Vacuum extraction device for chemical organic synthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021174218.6U CN212206756U (en) | 2020-06-23 | 2020-06-23 | Vacuum extraction device for chemical organic synthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212206756U true CN212206756U (en) | 2020-12-22 |
Family
ID=73808208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021174218.6U Expired - Fee Related CN212206756U (en) | 2020-06-23 | 2020-06-23 | Vacuum extraction device for chemical organic synthesis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212206756U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484096A (en) * | 2021-08-10 | 2021-10-08 | 苏州特瑞勃自动化科技有限公司 | Full-automatic closed sampling system of reation kettle |
-
2020
- 2020-06-23 CN CN202021174218.6U patent/CN212206756U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484096A (en) * | 2021-08-10 | 2021-10-08 | 苏州特瑞勃自动化科技有限公司 | Full-automatic closed sampling system of reation kettle |
| CN113484096B (en) * | 2021-08-10 | 2024-03-29 | 斯图瑞科技(苏州)有限公司 | Full-automatic closed sampling system for reaction kettle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6426188B2 (en) | Gas sampling device and filling station provided with such a device | |
| CN212206756U (en) | Vacuum extraction device for chemical organic synthesis | |
| CN109100269B (en) | System and method for rapidly determining solubility and diffusion coefficient of gas in liquid | |
| CN111982795A (en) | Test device and test method for simulating corrosion of supercritical carbon dioxide conveying pipeline | |
| CN111337391A (en) | Method for rapidly measuring diffusion coefficient of gas in liquid | |
| CN215640823U (en) | Device for real-time in-situ monitoring and representation of micro-kinetic process of hydrate generation | |
| CN106883127B (en) | A kind of device continuously generating methyl nitrite | |
| CN111044681A (en) | Normal-pressure evaluation device and method for liquid desulfurizer | |
| CN214122219U (en) | Mobile online silicon meter and phosphorus meter testing device | |
| CN201331484Y (en) | Material rusty tester | |
| CN209559912U (en) | A kind of device for sampling quantitative gas capable of washing | |
| CN112782340A (en) | Method for measuring hydrogen content in chlorine | |
| CN203732328U (en) | Sampling device capable of extracting gas sample from negative pressure pipeline | |
| CN206974849U (en) | A kind of gas content detection means | |
| US20230035469A1 (en) | Creating a hydrogen sulfide crude oil reference standard | |
| CN113804518B (en) | High-purity and ultra-purity gas high-fidelity sampling device and method | |
| CN216051334U (en) | Biochemical analysis and detection device for local surface plasma resonance | |
| CN205138849U (en) | Solution gas sampling device | |
| CN220393741U (en) | Microalgae oxygen production monitoring and utilizing system | |
| CN212844929U (en) | Test device for simulating corrosion of supercritical carbon dioxide conveying pipeline | |
| CN217084280U (en) | Simple and easy airtight sampling device of storage tank | |
| CN216141473U (en) | Recovery system for propylene gas sample discharged by online chromatographic analyzer | |
| CN214844663U (en) | MBR membrane testing arrangement | |
| CN114278274B (en) | Natural gas hydrate exploitation simulation device and method | |
| CN109406241B (en) | Constant value trace water-soluble gas standard experiment solution manufacturing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201222 |