CN212187851U - Purification device is used in aminopyridine production - Google Patents
Purification device is used in aminopyridine production Download PDFInfo
- Publication number
- CN212187851U CN212187851U CN202020531024.0U CN202020531024U CN212187851U CN 212187851 U CN212187851 U CN 212187851U CN 202020531024 U CN202020531024 U CN 202020531024U CN 212187851 U CN212187851 U CN 212187851U
- Authority
- CN
- China
- Prior art keywords
- pipe
- aminopyridine
- distillation flask
- hot bath
- communicated
- 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.)
- Active
Links
Images
Landscapes
- Pyridine Compounds (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to the technical field of reagent production, in particular to a purification device for aminopyridine production, which increases the purification efficiency and improves the reliability; the vacuum distillation device comprises a hot bath box, a distillation flask plug, a cooling through pipe, a water flow through pipe, a water inlet pipe, a water discharge pipe, a waste liquid bottle, an exhaust pipe, a vacuum pump, a distillation flask placing frame, a control box and a button, wherein the middle part of the lower end of the left side and the right side in the hot bath box is respectively connected with the left end and the right end of the distillation flask placing frame, the outer wall of the middle part of the cooling through pipe is connected with the inner wall of the left side and the right side of the water flow through pipe, the left part of the top end of the water flow through pipe is communicated with the bottom end of the water inlet pipe, the right part of the bottom end of the water flow through pipe is communicated with the top end of the water discharge pipe, the right end of the cooling through.
Description
Technical Field
The utility model relates to a technical field of reagent production especially relates to an aminopyridine production is with purification device.
Background
As is well known, a purification apparatus for aminopyridine production is an auxiliary apparatus for carrying out distillation purification of aminopyridine under reduced pressure, which is widely used in the field of reagent production; in the existing separation method aiming at the 2-amino-3-methylpyridine and the 2-amino-5-methylpyridine on the market, a large amount of solid-liquid waste is easily generated in the separation process, the intermediate products can be discharged into the environment after being treated, the production cost of enterprises is greatly improved, meanwhile, the purity of the product obtained by separation is low, generally only 70% -80%, the secondary separation operation is needed, the working efficiency of the whole process is low, and the reliability is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a make purification efficiency increase, improve a purification device is used in aminopyridine production of reliability.
The utility model discloses a purification device for aminopyridine production, which comprises a hot bath box, a distillation flask plug, a cooling through pipe, a water flow through pipe, a water inlet pipe, a water drain pipe, a waste liquid bottle, an exhaust pipe, a vacuum pump, a distillation flask placing frame, a control box and a button, wherein the middle parts of the lower ends of the left side and the right side in the hot bath box are respectively connected with the left end and the right end of the distillation flask placing frame, the top end of the middle part of the distillation flask placing frame is detachably connected with the bottom end of the distillation flask, the middle part of the top end of the distillation flask is detachably connected with the bottom end of the distillation flask plug, the upper part of the right end of the distillation flask is communicated with the left end of the cooling through pipe, the outer wall of the middle part of the cooling through pipe is connected with the inner wall of the left side and the right side of the, the other end of the exhaust pipe is connected with the input end of the vacuum pump, the inner end of the control box is connected with the middle part of the left end of the hot bath box, and the inner end of the button is connected with the lower side of the rear part of the outer end of the control box.
The utility model discloses a purification device is used in aminopyridine production still includes the heating pipe, and heating pipe inner is connected with the inside bottom of hot bath case.
The utility model discloses a purification device is used in aminopyridine production still includes card frame, chuck board and dop, and card frame bottom is connected with hot bath cabinet top left part middle part, and card frame right-hand member is connected with dop board left end middle part, and dop board right-hand member is connected with the dop left end, and the dop inner wall is held with the outer wall card in retort upper end.
The utility model discloses a purification device is used in aminopyridine production still includes temperature sensor and display screen, and temperature sensor the inner is connected with the inside right-hand member middle part of hot bath case, and the display screen the inner is connected with control box outer end upper portion.
The utility model discloses a purification device is used in aminopyridine production still includes the alarm lamp, and the alarm lamp bottom is connected with control box top middle part.
The utility model discloses a purification device is used in aminopyridine production still includes emergency stop button, and emergency stop button the inner is connected with control box outer end lower part front side.
The utility model discloses a purification device is used in aminopyridine production still includes fluid-discharge tube and hand valve, and fluid-discharge tube the inner is linked together with waste liquid bottle right-hand member lower part, and fluid-discharge tube left side outer wall is connected with the hand valve inner wall.
The utility model discloses a purification device is used in aminopyridine production still includes bottom plate, fixed plate and fixed expand tube, and the side middle part is connected with the bottom of hot bath case and waste liquid bottle respectively about the bottom plate top, and four angle sides of bottom plate ring side are connected with a set of fixed plate inner respectively, and fixed expand tube passes the fixed plate and is connected with ground.
Compared with the prior art, the beneficial effects of the utility model are that: the method comprises the steps of firstly opening a distillation bottle plug, pouring stock solution into the distillation bottle with approximately half of the volume, then closing the distillation bottle plug, pouring hot bath liquid into a hot bath box, enabling the distillation bottle to be in a high-temperature environment, pressing a button to operate a control box to start a vacuum pump, pumping air from the interior of the distillation bottle by an air pumping pipe, decompressing and distilling the impurity moisture and the like different from the boiling point of aminopyridine according to different boiling points and low-pressure conditions, simultaneously feeding cooling water through a water inlet pipe, discharging the cooling water out of a water discharging pipe to enable the interior of a water through pipe to form a high-cooling condition, and accordingly recovering steam into liquid to be guided into a waste liquid bottle, forming aminopyridine with higher purity in the distillation bottle, increasing the purification efficiency and improving the reliability.
Drawings
Fig. 1 is a schematic structural view and an axial view of the present invention;
fig. 2 is a rear view of the structure diagram of the present invention;
fig. 3 is a top view of the structure diagram of the present invention;
in the drawings, the reference numbers: 1. a hot bath tank; 2. a distillation flask; 3. a distillation bottle stopper; 4. cooling the through pipe; 5. a water flow pipe; 6. a water inlet pipe; 7. a drain pipe; 8. a waste liquid bottle; 9. an air exhaust pipe; 10. a vacuum pump; 11. a distillation flask placing rack; 12. heating a tube; 13. a control box; 14. a button; 15. a clamping frame; 16. a chuck plate; 17. clamping a head; 18. a temperature sensor; 19. a display screen; 20. an alarm lamp; 21. an emergency stop button; 22. a liquid discharge pipe; 23. a hand valve; 24. a base plate; 25. a fixing plate; 26. and (5) fixing the expansion pipe.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in figures 1 to 3, the utility model relates to a purification device for aminopyridine production, which comprises a hot bath box 1, a distillation flask 2, a distillation flask plug 3, a cooling through pipe 4, a water flow through pipe 5, a water inlet pipe 6, a water outlet pipe 7, a waste liquid bottle 8, an exhaust pipe 9, a vacuum pump 10, a distillation flask placing frame 11, a control box 13 and a button 14, wherein the middle parts of the lower ends of the left side and the right side inside the hot bath box 1 are respectively connected with the left end and the right end of the distillation flask placing frame 11, the top end of the middle part of the distillation flask placing frame 11 is detachably connected with the bottom end of the distillation flask 2, the middle part of the top end of the distillation flask 2 is detachably connected with the bottom end of the distillation flask plug 3, the upper part of the right end of the distillation flask 2 is communicated with the left end of the cooling through pipe 4, the outer wall of the middle part of, the right end of the cooling through pipe 4 is communicated with the upper part of the left end of the waste liquid bottle 8, the upper part of the rear end of the waste liquid bottle 8 is communicated with one end of an exhaust pipe 9, the other end of the exhaust pipe 9 is connected with the input end of a vacuum pump 10, the inner end of a control box 13 is connected with the middle part of the left end of the hot bath box 1, and the inner end of a button 14 is connected with the lower side of the rear part of; firstly, opening a distillation bottle plug 3, pouring stock solution into a distillation bottle 2 with approximately half capacity, then closing the distillation bottle plug 3, pouring hot bath lotion into a hot bath box 1, enabling the distillation bottle 2 to be in a high-temperature environment, pressing a button 14 to operate a control box 13 to start a vacuum pump 10, pumping air from the interior of the distillation bottle 2 through an air pumping pipe 9, then performing reduced pressure distillation on impurity moisture and the like different from the boiling point of aminopyridine according to different boiling points and low-pressure conditions of the stock solution in the distillation bottle 2, simultaneously feeding cooling water through a water inlet pipe 6, discharging the cooling water through a water discharging pipe 7 to enable the interior of a water through pipe 5 to form a high-cold condition, so that steam is recovered to be liquid and led into a waste liquid bottle 8, forming the aminopyridine with higher purity in the distillation bottle 2, increasing the purification efficiency and improving the reliability.
The utility model discloses a purification device for aminopyridine production, which also comprises a heating pipe 12, wherein the inner end of the heating pipe 12 is connected with the bottom end inside the hot bath box 1; the bath is heated by the heating pipe 12 to keep a constant heating temperature condition, thereby improving the reliability.
The utility model discloses a purification device for aminopyridine production, which also comprises a clamping frame 15, a clamping head plate 16 and a clamping head 17, wherein the bottom end of the clamping frame 15 is connected with the middle part of the left end of the top of the hot bath box 1, the right end of the clamping frame 15 is connected with the middle part of the left end of the clamping head plate 16, the right end of the clamping head plate 16 is connected with the left end of the clamping head 17, and the inner wall of the clamping head 17 is clamped with the outer wall of the upper end of the distillation flask 2; the upper end of the distillation flask 2 is clamped by the clamping head 17, so that the distillation flask 2 is kept from moving such as toppling and the like, and the stability is improved.
The utility model discloses a purification device for aminopyridine production, which also comprises a temperature sensor 18 and a display screen 19, wherein the inner end of the temperature sensor 18 is connected with the middle part of the right end inside the hot bath box 1, and the inner end of the display screen 19 is connected with the upper part of the outer end of the control box 13; the temperature of the internal hot bath liquid can be detected by the temperature sensor 18, and the temperature is sensed in the control box 13 and displayed by the display screen 19, so that the convenience is improved.
The utility model discloses a purification device for aminopyridine production, which also comprises an alarm lamp 20, wherein the bottom end of the alarm lamp 20 is connected with the middle part of the top end of the control box 13; the alarm lamp 20 can alarm equipment failure or other abnormal conditions, and reliability is improved.
The utility model discloses a purification device for aminopyridine production, which also comprises an emergency stop button 21, wherein the inner end of the emergency stop button 21 is connected with the front side of the lower part of the outer end of the control box 13; pressing the emergency stop button 21 can bring the apparatus to an emergency stop to prevent accidents and improve reliability.
The utility model discloses a purification device for aminopyridine production, which also comprises a liquid discharge pipe 22 and a hand valve 23, wherein the inner end of the liquid discharge pipe 22 is communicated with the lower part of the right end of a waste liquid bottle 8, and the outer wall of the left side of the liquid discharge pipe 22 is connected with the inner wall of the hand valve 23; the waste liquid in the waste liquid bottle 8 can be discharged through the discharge pipe 22, and the opening and closing of the waste liquid bottle is controlled by the hand valve 23, thereby improving convenience.
The utility model discloses a purification device for aminopyridine production, which also comprises a bottom plate 24, a fixed plate 25 and a fixed expansion pipe 26, wherein the middle parts of the left side and the right side of the top end of the bottom plate 24 are respectively connected with the bottom ends of a hot bath box 1 and a waste liquid bottle 8, four corner sides of the ring side of the bottom plate 24 are respectively connected with the inner ends of a group of fixed plates 25, and the fixed expansion pipe 26 passes through the fixed plates 25 to be connected with the ground; the device is fixed by the bottom plate 24 to prevent relative movement, and is fixed on the ground by the fixing plate 25 and the fixing expansion pipe 26 to prevent sliding and side rollover, and the stability is improved.
The utility model discloses a purification device is used in aminopyridine production, it is at work, at first open distillation bottle plug 3, pour stoste into the roughly half capacity of distillation flask 2 inside, later close distillation bottle plug 3, pour hot bath lotion into the hot bath 1 inside, make distillation flask 2 be under high temperature environment, press button 14 operation control box 13 and start vacuum pump 10, bleed from distillation flask 2 inside by exhaust tube 9, later the stoste of distillation flask 2 inside, according to the boiling point difference, and the condition of low pressure, can carry out the vacuum distillation with impurity moisture etc. that is different from the aminopyridine boiling point, simultaneously advance the cooling water by inlet tube 6, drain pipe 7 goes out the cooling water and makes the inside high cold condition that forms of rivers siphunculus 5, thereby make steam resume for liquid leading-in waste liquid bottle 8 inside, make the inside higher purity aminopyridine that forms of distillation flask 2, make purification efficiency increase, the reliability is improved.
The purification device for producing aminopyridine of the utility model adopts a common mechanical mode, such as an installation mode, a connection mode or a setting mode, and can be implemented as long as the beneficial effects are achieved; the utility model discloses a vacuum pump 10 of purification device for aminopyridine production is purchase on the market, and this industry technical staff only need according to its subsidiary instructions install and operate can.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A purification device for aminopyridine production is characterized by comprising a hot bath box (1), a distillation flask (2), a distillation flask plug (3), a cooling through pipe (4), a water flow through pipe (5), a water inlet pipe (6), a water outlet pipe (7), a waste liquid bottle (8), an air exhaust pipe (9), a vacuum pump (10), a distillation flask placing frame (11), a control box (13) and a button (14), wherein the middle parts of the lower ends of the left side and the right side in the hot bath box (1) are respectively connected with the left end and the right end of the distillation flask placing frame (11), the top end of the middle part of the distillation flask placing frame (11) is detachably connected with the bottom end of the distillation flask (2), the middle part of the top end of the distillation flask (2) is detachably connected with the bottom end of the distillation flask plug (3), the upper part of the right end of the distillation flask (2) is communicated with the left end of the cooling, the left part of the top end of a water flow through pipe (5) is communicated with the bottom end of a water inlet pipe (6), the right part of the bottom end of the water flow through pipe (5) is communicated with the top end of a drain pipe (7), the right end of a cooling through pipe (4) is communicated with the upper part of the left end of a waste liquid bottle (8), the upper part of the rear end of the waste liquid bottle (8) is communicated with one end of an air exhaust pipe (9), the other end of the air exhaust pipe (9) is connected with the input end of a vacuum pump (10), the inner end of a control box (13) is connected with the middle part of the left end of a hot bath box (.
2. The purification apparatus for aminopyridine production according to claim 1, further comprising a heating tube (12), wherein the inner end of the heating tube (12) is connected to the bottom end of the interior of the hot bath tank (1).
3. The purification apparatus for aminopyridine production according to claim 2, further comprising a clip frame (15), a clip plate (16) and a clip head (17), wherein the bottom end of the clip frame (15) is connected to the left side of the top of the hot bath box (1), the right end of the clip frame (15) is connected to the middle of the left end of the clip plate (16), the right end of the clip plate (16) is connected to the left end of the clip head (17), and the inner wall of the clip head (17) is clamped to the outer wall of the upper end of the distillation flask (2).
4. The purification device for aminopyridine production according to claim 3, further comprising a temperature sensor (18) and a display screen (19), wherein the inner end of the temperature sensor (18) is connected with the middle part of the right end inside the hot bath box (1), and the inner end of the display screen (19) is connected with the upper part of the outer end of the control box (13).
5. The purification apparatus for aminopyridine production according to claim 4, further comprising a warning lamp (20), wherein the bottom end of the warning lamp (20) is connected to the middle of the top end of the control box (13).
6. The purifying apparatus for producing aminopyridine according to claim 5, further comprising an emergency stop button (21), wherein the inner end of the emergency stop button (21) is connected to the front side of the lower portion of the outer end of the control box (13).
7. The purification apparatus for aminopyridine production according to claim 6, further comprising a liquid discharge pipe (22) and a hand valve (23), wherein the inner end of the liquid discharge pipe (22) is communicated with the lower portion of the right end of the waste liquid bottle (8), and the outer wall of the left side of the liquid discharge pipe (22) is connected with the inner wall of the hand valve (23).
8. The purification apparatus for aminopyridine production according to claim 7, further comprising a bottom plate (24), a fixing plate (25) and a fixing expansion tube (26), wherein the middle of the left and right sides of the top end of the bottom plate (24) is respectively connected with the bottom ends of the hot bath tank (1) and the waste liquid bottle (8), the four corner sides of the ring side of the bottom plate (24) are respectively connected with the inner ends of a group of fixing plates (25), and the fixing expansion tube (26) passes through the fixing plates (25) to be connected with the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020531024.0U CN212187851U (en) | 2020-04-13 | 2020-04-13 | Purification device is used in aminopyridine production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020531024.0U CN212187851U (en) | 2020-04-13 | 2020-04-13 | Purification device is used in aminopyridine production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212187851U true CN212187851U (en) | 2020-12-22 |
Family
ID=73829767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020531024.0U Active CN212187851U (en) | 2020-04-13 | 2020-04-13 | Purification device is used in aminopyridine production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212187851U (en) |
-
2020
- 2020-04-13 CN CN202020531024.0U patent/CN212187851U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203710716U (en) | Device for improving recycling rate of alcohol ketone components in refining process of cyclohexanone | |
| EP3214062B1 (en) | Distillation method for the separation of n-butanal and iso-butanal | |
| CN100342840C (en) | Chinese medicine liquid vacuum concentrating process and apparatus thereof | |
| CN212187851U (en) | Purification device is used in aminopyridine production | |
| CN100391567C (en) | Continuous high-efficient vacuum concentration of Chinese medicine soup and apparatus thereof | |
| CN101891672A (en) | Separation and purification method and device for extracting and purifying piperidinol product from piperidone hydrogenation reaction solution | |
| CN204767516U (en) | Rectification forced circulation heating device | |
| CN107137949A (en) | A kind of extracting rectifying partitioned column device and method of low concentration aqueous isopropanol dehydration | |
| CN105964007A (en) | Device and process for separating n-butyl alcohol and isobutanol mixture | |
| CN205759788U (en) | Energy-saving single-action concentrates rectifier unit | |
| CN208893666U (en) | A kind of extraction concentration systems | |
| CN204006962U (en) | A kind of skid-mounted type liquid argon storage tank gasification argon gas retracting device | |
| CN102419548A (en) | Waste water afterheat recycling liquid medicine extraction and concentration automatic control system and method for the same | |
| CN208071611U (en) | The separator of acetic acid sodium crystal in a kind of lye | |
| CN206793081U (en) | A kind of distillation system of recovery of acetic acid | |
| RU2476425C1 (en) | Method of controlling water evaporation from caprolactam | |
| CN105348043A (en) | Separating and recycling method and device for solvent-water mixture containing impurities prone to scale formation | |
| CN101624343A (en) | Hydrogen recycling method and device of refining unit of pure terephthalic acid device | |
| CN210448130U (en) | Distillation recovery plant | |
| CN105061134A (en) | Method and device for separating high-purity longifolene | |
| CN203346101U (en) | Equipment for recycling ferrous chloride in hydrochloric acid waste liquor | |
| CN215842916U (en) | Retrieve alcohol extraction element | |
| CN217887044U (en) | A extraction element for producing chinese patent medicine | |
| CN218774544U (en) | Gas-liquid separation type condenser | |
| CN217472755U (en) | Automatic control device for flash evaporation dealcoholization working solution distillation of biodiesel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |