CN107308903B - Low temperature reation kettle with feeding device - Google Patents
Low temperature reation kettle with feeding device Download PDFInfo
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- CN107308903B CN107308903B CN201710717638.0A CN201710717638A CN107308903B CN 107308903 B CN107308903 B CN 107308903B CN 201710717638 A CN201710717638 A CN 201710717638A CN 107308903 B CN107308903 B CN 107308903B
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- low
- reaction kettle
- temperature reaction
- pipe
- kettle body
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 69
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 238000003756 stirring Methods 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 27
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 238000000926 separation method Methods 0.000 claims abstract description 8
- 238000007670 refining Methods 0.000 claims description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 11
- 239000007791 liquid phase Substances 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 238000001556 precipitation Methods 0.000 abstract description 8
- 239000012530 fluid Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000012856 packing Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 229960004556 tenofovir Drugs 0.000 description 10
- VCMJCVGFSROFHV-WZGZYPNHSA-N tenofovir disoproxil fumarate Chemical compound OC(=O)\C=C\C(O)=O.N1=CN=C2N(C[C@@H](C)OCP(=O)(OCOC(=O)OC(C)C)OCOC(=O)OC(C)C)C=NC2=C1N VCMJCVGFSROFHV-WZGZYPNHSA-N 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000013078 crystal Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 3
- 208000030507 AIDS Diseases 0.000 description 2
- 239000003443 antiviral agent Substances 0.000 description 2
- 239000012295 chemical reaction liquid Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QRBPRPXDUFXPGR-UHFFFAOYSA-N 2-methoxypropyl dihydrogen phosphate Chemical compound COC(C)COP(O)(O)=O QRBPRPXDUFXPGR-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 229960000643 adenine Drugs 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6561—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom containing systems of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring or ring system, with or without other non-condensed hetero rings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2204/00—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices
- B01J2204/002—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices the feeding side being of particular interest
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
A low-temperature reaction kettle with a feeding device comprises a low-temperature reaction kettle body, the feeding device, a low-temperature control device, a stirring device and a centrifugal solid-liquid separation device, wherein a feeding hole is formed in the top of the low-temperature reaction kettle body, a discharging hole is formed in the bottom of the low-temperature reaction kettle body, the feeding device comprises a discharging bent pipe, a material homogenizing pipe, a packing box and a fan, two ends of the material homogenizing pipe are respectively open, one end of the material homogenizing pipe is located in the low-temperature reaction kettle body, and a plurality of groups of holes are formed in the pipe wall of the material homogenizing pipe at one end in the low-temperature reaction kettle body; the invention has the advantages that: the low-temperature reaction kettle with the feeding device is reasonable in structural design, the electric sliding table is adopted to drive the fan type stirring blades, and the stirring blades automatically rotate due to the fluid principle in the up-and-down moving process, so that the stirring purpose is achieved, the motor power is reduced, the heating value is reduced, the precipitation reaction efficiency is high, and the low-temperature reaction kettle has a good practical value.
Description
Technical Field
The invention relates to the technical field of white oil production, in particular to a low-temperature reaction kettle with a feeding device.
Background
Tenofovir (compound I), also known as tenofovir, is known as follows: (R is used for a secondary precipitation reaction kettle of a tenofovir production line) -9- (2-methoxypropyl phosphate) -adenine is used for the secondary precipitation reaction kettle of the tenofovir production line, is an AIDS antiviral drug, and tenofovir is also a key intermediate of the AIDS antiviral drug tenofovir fumarate with better effect used for the secondary precipitation reaction kettle of the tenofovir production line (the secondary precipitation reaction kettle II used for the tenofovir production line is used for the secondary precipitation reaction kettle of the tenofovir production line). In the tenofovir production line, HPA product crystal is separated out after primary reaction solution is stirred by adding saline water, and the existing low-temperature reaction kettle is stirred by adopting a high-power motor, so that energy is wasted, extra heat is increased, and separation reaction is hindered. At present, reation kettle directly adds at the feed opening when adding the auxiliary material, and the powder can fall into a group when adding on the liquid level in reation kettle, rotates with who's liquid level, needs the longer time could with the liquid fusion in the reation kettle, increases the churning time, and simultaneously in the unloading, gas in the reation kettle spills over from the feed opening, pollutes operational environment.
Disclosure of Invention
The invention aims to solve the technical problems and provides a low-temperature reaction kettle with a feeding device.
The device comprises a low-temperature reaction kettle body, a feeding device, a low-temperature control device, a stirring device and a centrifugal solid-liquid separation device, wherein a feeding hole is formed in the top of the low-temperature reaction kettle body, a discharging hole is formed in the bottom of the low-temperature reaction kettle body, the feeding device comprises a discharging bent pipe, a material homogenizing pipe, a packing box and a fan, two ends of the material homogenizing pipe are respectively open, one end of the material homogenizing pipe is located in the low-temperature reaction kettle body, a plurality of groups of holes are formed in the pipe wall of the material homogenizing pipe at one end in the low-temperature reaction kettle body, a discharging bent pipe mounting hole is formed in the pipe wall of the material homogenizing pipe at one end outside the low-temperature reaction kettle body, the discharging bent pipe is mounted on the holes, one end of the discharging bent pipe is located in the material homogenizing pipe, and the opening is downward; the low-temperature control device comprises an alcohol box body, an electric control valve and a rotary atomizing spray head, the alcohol box body is fixedly installed at the top of the low-temperature reaction kettle body, the rotary atomizing spray head is installed on the bottom surface of a cover body of the low-temperature reaction kettle body, an outlet of the alcohol box body is communicated with an inlet of the rotary atomizing spray head through a pipeline and the electric control valve, the stirring device comprises a pair of electric sliding tables, a pair of stirring blade frames and a pair of fan-type stirring blades, tracks of the pair of electric sliding tables are fixedly installed on the inner wall of the low-temperature reaction kettle body respectively, the pair of stirring blade frames are installed on sliding blocks of the pair of electric sliding tables respectively, the pair of fan-type stirring blades are movably installed on the pair of stirring blade frames through rotating shafts respectively, the centrifugal solid-liquid separation device comprises a centrifugal solid-liquid separator, a crystal bin and a solution bin, a feed inlet of the centrifugal solid-liquid separator is communicated with a bottom outlet of the low-temperature reaction kettle body, an inlet of the crystal bin is communicated with a solid-liquid outlet of the centrifugal solid-liquid separator, and an inlet of the solution bin is communicated with a liquid outlet of the centrifugal solid-liquid separator.
The tracks of the pair of electric sliding tables are respectively vertically and parallelly fixedly arranged on the inner wall of the kettle body of the low-temperature reaction kettle in parallel.
The aperture of a plurality of groups of holes on the pipe wall of the material homogenizing pipe is sequentially reduced from bottom to top.
A cover is arranged on the feeding hole of the blanking elbow.
The blanking bent pipe and the material homogenizing pipe form an alpha included angle, and alpha is 35-60 degrees.
The invention has the advantages that: the low-temperature reaction kettle with the feeding device is reasonable in structural design, the electric sliding table is adopted to drive the fan type stirring blades, and the stirring blades automatically rotate due to the fluid principle in the up-and-down moving process, so that the stirring purpose is achieved, the motor power is reduced, the heating quantity is reduced, the precipitation reaction efficiency is high, and the low-temperature reaction kettle has a good practical value.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic view of the structure of the charging device of the present invention.
Detailed Description
As shown in the attached drawing, the device comprises a low-temperature reaction kettle body 60, a feeding device, a low-temperature control device, a stirring device and a centrifugal solid-liquid separation device, wherein a feeding hole is formed in the top of the low-temperature reaction kettle body 60, a discharging hole is formed in the bottom of the low-temperature reaction kettle body, the feeding device comprises a blanking bent pipe 1, a material homogenizing pipe 2, a packing box 3 and a fan 4, two ends of the material homogenizing pipe 2 are respectively open, one end of the material homogenizing pipe 2 is located in the low-temperature reaction kettle body 60, a plurality of groups of holes are formed in the pipe wall of the material homogenizing pipe 2 at one end in the low-temperature reaction kettle body 60, a blanking bent pipe mounting hole is formed in the pipe wall of the material homogenizing pipe 2 at one end outside the low-temperature reaction kettle body 60, the blanking bent pipe 1 is mounted in the hole, one end of the blanking bent pipe 1 is located in the material homogenizing pipe 2, and the opening is downward; an air inlet of a fan 4 is communicated with an opening of a material homogenizing pipe 2 positioned at one end outside a low-temperature reaction kettle body 60 through a stuffing box 3, a low-temperature control device comprises an alcohol box body 61, an electric control valve 62 and a rotary atomizing nozzle 64, the alcohol box body 61 is fixedly arranged at the top of the low-temperature reaction kettle body 60, the rotary atomizing nozzle 64 is arranged on the bottom surface of a cover body of the low-temperature reaction kettle body 60, an outlet of the alcohol box body 61 is communicated with an inlet of the rotary atomizing nozzle 64 through a pipeline and the electric control valve 62, a stirring device comprises a pair of electric sliding tables 65, a pair of stirring blade frames 66 and a pair of fan-type stirring blades 67, tracks of the pair of electric sliding tables 65 are respectively and fixedly arranged on the inner wall of the low-temperature reaction kettle body 60, the pair of stirring blade frames 66 are respectively arranged on sliding blocks of the pair of electric sliding tables 65, the pair of fan-type stirring blades 67 are respectively and movably arranged on the pair of stirring blade frames 66 through rotating shafts, a solid-liquid separation device comprises a centrifugal solid-liquid separator 68, a crystal bin 69 and a solution bin 70, a feed inlet of the centrifugal solid-liquid separator 68 is communicated with an outlet of the low-liquid reaction kettle body 60, an inlet of the centrifugal solid-liquid separator 68 is communicated with an outlet of the centrifugal solid-liquid separator 70.
The tracks of the pair of electric sliding tables 65 are respectively vertically and parallelly fixedly installed on the inner wall of the low-temperature reaction kettle body 60.
The aperture of the groups of holes on the pipe wall of the homogenizing pipe 2 is reduced from bottom to top in sequence.
A cover is arranged on the feed inlet of the blanking elbow 1.
The blanking elbow 1 and the refining pipe 2 form an alpha included angle, and alpha is 35-60 degrees.
The working mode and principle are as follows: before auxiliary materials are added, the fan 4 is started and the cover on the blanking elbow pipe 1 is opened in sequence, the fan 4 pumps the gas in the refining pipe 2 away, the gas is filtered by the filler in the filler box 3 and is intensively discharged into a waste gas treatment pool, the working environment is beautified, meanwhile, negative pressure is formed in the blanking elbow pipe 1, and the gas cannot overflow from the feed inlet of the blanking elbow pipe 1; then, feeding is carried out from the blanking elbow 1, one end of the refining pipe 2 is open and located below the liquid level in the low-temperature reaction kettle body 60, the auxiliary materials fall onto the liquid level in the refining pipe 2 from the other end of the blanking elbow 1, the liquid level in the low-temperature reaction kettle body 60 can rotate along with stirring, the auxiliary materials are taken out from multiple groups of holes of the refining pipe 2 in the rotating process to play a role in refining, the liquid in the low-temperature reaction kettle body 60 is closer to the bottom and closer to the stirring blades, the liquid flow rate is higher, therefore, the liquid flow rate at the open mouth of the refining pipe 2 is higher than that at the upper part of the refining pipe 2, a part of the liquid at the upper part of the refining pipe 2 can flow to the open mouth, the auxiliary materials floating on the liquid level in the refining pipe 2 are drawn into the liquid below, and the mixing efficiency is improved; after the material is fed, the cover is sequentially covered and the fan 4 is closed, the liquid level in the refining pipe 2 can be higher than the liquid level in the low-temperature reaction kettle body 60 under the action of the fan 4 after the cover is covered, and after the fan 4 is closed, the liquid level in the refining pipe 2 falls back to blend the materials adhered to the refining pipe 2 into the liquid. The primary reaction solution is added from a feed inlet at the top of the low-temperature reaction kettle body 60 through a dosing device, then a proper amount of salt water with concentration is added, a pair of electric sliding tables 65 are started, the pair of electric sliding tables 65 respectively drive a pair of fan-type stirring blades 67 to reciprocate up and down, liquid drives the fan-type stirring blades 67 to rotate due to the fluid principle, so that the stirring purpose is achieved, an electric control valve 62 is opened, low-temperature alcohol in an alcohol box body 61 is uniformly sprayed downwards on the reaction liquid through a rotary atomizing nozzle 64, the reaction liquid is cooled, the precipitation of HPA products is always kept at high reaction efficiency, after the reaction is completed, the reaction mixture flows into a solid-centrifugal liquid separator 68 through an outlet at the bottom of the low-temperature reaction kettle body 60, crystals are separated out and enter a crystal bin 69, and the liquid enters a solution bin 70.
Claims (3)
1. The low-temperature reaction kettle with the feeding device is characterized by comprising a low-temperature reaction kettle body (60), the feeding device, a low-temperature control device, a stirring device and a centrifugal solid-liquid separation device, wherein a feeding hole is formed in the top of the low-temperature reaction kettle body (60), a discharging hole is formed in the bottom of the low-temperature reaction kettle body, the feeding device comprises a blanking bent pipe (1), a refining pipe (2), a stuffing box (3) and a fan (4), two ends of the refining pipe (2) are respectively open, one end of the refining pipe (2) is located in the low-temperature reaction kettle body (60), a plurality of groups of holes are formed in the pipe wall of the refining pipe (2) at one end in the low-temperature reaction kettle body (60), a blanking bent pipe mounting hole is formed in the pipe wall of the refining pipe (2) at one end outside the low-temperature reaction kettle body (60), the blanking bent pipe (1) is mounted on the holes, one end of the blanking bent pipe (1) is located in the refining pipe (2), and the opening is downward; the air inlet of the fan (4) is communicated with the opening of the material homogenizing pipe (2) positioned at one end outside the low-temperature reaction kettle body (60) through a stuffing box (3), the low-temperature control device comprises an alcohol box body (61), an electric control valve (62) and a rotary atomizing nozzle (64), the alcohol box body (61) is fixedly arranged at the top of the low-temperature reaction kettle body (60), the rotary atomizing nozzle (64) is arranged on the bottom surface of the cover body of the low-temperature reaction kettle body (60), the outlet of the alcohol box body (61) is communicated with the inlet of the rotary atomizing nozzle (64) through a pipeline and the electric control valve (62), the stirring device comprises a pair of electric sliding tables (65), a pair of stirring blade frames (66) and a pair of fan-type stirring blades (67), the tracks of the pair of electric sliding tables (65) are respectively and fixedly arranged on the inner wall of the low-temperature reaction kettle body (60), the pair of stirring blade frames (66) are respectively arranged on the sliding blocks of the pair of electric sliding tables (65), the pair of stirring blade frames (67) are respectively and are movably arranged on the sliding blocks of the pair of electric sliding tables (66) through rotating shafts, the centrifugal separation device comprises a centrifugal solid-liquid separator (68), the solid-liquid separator (68) of the centrifugal reaction kettle body (69), the centrifugal type solid-liquid separator (60) and the solid-liquid separator (69), the solid-liquid separator (69) of the solid-liquid separator (60) are communicated with the solid-liquid separator (69), the solid-liquid separator (60), the inlet of the solution tank (70) is communicated with the liquid phase outlet of the centrifugal solid-liquid separator (68);
a cover is arranged on the feeding hole of the blanking elbow pipe (1),
the blanking elbow pipe (1) and the refining pipe (2) form an alpha included angle, and alpha is 35-60 degrees.
2. The low-temperature reaction kettle with the feeding device according to claim 1, wherein the tracks of the pair of electric sliding tables (65) are respectively vertically and parallelly fixedly installed on the inner wall of the kettle body (60) of the low-temperature reaction kettle.
3. The low-temperature reaction kettle with the feeding device according to claim 1, wherein the pore diameters of the groups of holes on the wall of the homogenizing pipe (2) are sequentially reduced from bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710717638.0A CN107308903B (en) | 2017-08-21 | 2017-08-21 | Low temperature reation kettle with feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710717638.0A CN107308903B (en) | 2017-08-21 | 2017-08-21 | Low temperature reation kettle with feeding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107308903A CN107308903A (en) | 2017-11-03 |
| CN107308903B true CN107308903B (en) | 2022-10-21 |
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ID=60177124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710717638.0A Active CN107308903B (en) | 2017-08-21 | 2017-08-21 | Low temperature reation kettle with feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107308903B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108837788A (en) * | 2018-07-04 | 2018-11-20 | 合肥欧语自动化有限公司 | A kind of reaction kettle with feeding device |
| CN109277050B (en) * | 2018-11-30 | 2023-10-03 | 黄冈师范学院 | Acetaldehyde negative pressure dropwise adding method and device in metronidazole production |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0295432A (en) * | 1988-10-01 | 1990-04-06 | Plasma Syst:Kk | Chemical solution supplying pipe |
| CN201250210Y (en) * | 2008-07-25 | 2009-06-03 | 中国石油化工集团公司 | Catalytic cracking feed nozzle |
| CN204365321U (en) * | 2015-01-09 | 2015-06-03 | 山西凯迪建材有限公司 | Polycarboxylic acids liquid material atomization feeding device |
| CN205868245U (en) * | 2016-06-24 | 2017-01-11 | 绍兴绿嘉环保科技有限公司 | Make things convenient for solid -liquid separation's reation kettle |
| CN207119360U (en) * | 2017-08-21 | 2018-03-20 | 荆门市帅邦化学科技有限公司 | A kind of low-temp reaction kettle with feeding device |
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2017
- 2017-08-21 CN CN201710717638.0A patent/CN107308903B/en active Active
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| CN107308903A (en) | 2017-11-03 |
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