CN214808518U - Diethyl oxalate production and rectification device - Google Patents
Diethyl oxalate production and rectification device Download PDFInfo
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- CN214808518U CN214808518U CN202120129338.2U CN202120129338U CN214808518U CN 214808518 U CN214808518 U CN 214808518U CN 202120129338 U CN202120129338 U CN 202120129338U CN 214808518 U CN214808518 U CN 214808518U
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Abstract
The utility model discloses a diethyl oxalate production rectifier unit, including the rectification case, one side of rectification case is provided with the condensing box, the rectification case is close to the top with the condensing box and is linked together through the steam pipe, bottom one side intercommunication of rectification case has row material pipe, wherein, the feed inlet has been seted up to top one side of rectification case, the condenser is installed at the inboard top of condensing box, the bottom middle part intercommunication of condensing box has the drain pipe, the middle part of rectification case is rotated and is connected with the pivot, the rectification case clears up through clearance mechanism. The utility model discloses a piston cylinder that sets up, pivot drive piston round trip movement when stirring the material, through the round trip movement of piston, can last with air escape in the condensing box, make the interior negative pressure state that forms of condensing box for the speed that steam flows in to the condensing box in the rectification box, make steam become liquid at the condensation on condenser surface, be convenient for accelerate the condensation efficiency of steam.
Description
Technical Field
The utility model relates to a diethyl oxalate production technical field specifically is a diethyl oxalate production rectifier unit.
Background
Diethyl oxalate is also called diethyl oxalate, and when diethyl oxalate is produced, a rectifying device is required to be used for distilling and collecting diethyl oxalate and purifying diethyl oxalate.
Although the types and the number of the existing diethyl oxalate producing and rectifying devices are very large, the existing diethyl oxalate producing and rectifying devices still have certain problems, and bring certain inconvenience to the use of the diethyl oxalate producing and rectifying devices.
When the existing diethyl oxalate producing and rectifying device is used, most of the steam naturally flows to the surface of a condenser to be condensed into liquid, the flowing speed of the steam cannot be accelerated while the diethyl oxalate is rectified, and the device is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a diethyl oxalate production rectifier unit has solved current diethyl oxalate production rectifier unit when using, and steam natural flow becomes liquid to the condensation on condenser surface when mostly, can't accelerate the mobile speed of steam, the problem of inconvenient use when carrying out the rectification to diethyl oxalate.
In order to achieve the above object, the utility model provides a following technical scheme: a rectification device for diethyl oxalate production comprises a rectification box, wherein a condensation box is arranged on one side of the rectification box, the rectification box is communicated with the upper part of the condensation box close to the condensation box through a steam pipe, a discharge pipe is communicated with one side of the bottom of the rectification box, wherein,
a feed inlet is formed in one side of the top of the rectifying box, a condenser is installed at the top of the inner side of the condensing box, a liquid outlet pipe is communicated with the middle of the bottom end of the condensing box, a rotating shaft is rotatably connected to the middle of the rectifying box, the rectifying box is cleaned through a cleaning mechanism, stirring rods are fixed to the outer side of the rotating shaft at equal intervals, a first gear is fixed to the outer side, close to the top, of the rotating shaft, a motor is installed on the other side of the top of the rectifying box, a second gear is fixed to the motor, close to the interior of the rectifying box, and a toothed belt is sleeved on the first gear and the second gear;
a transmission wheel is fixed on the top of the rotating shaft close to the rectifying box, one side of the top of the transmission wheel is rotatably connected with a transmission rod, a piston cylinder is installed on the top of the condensing box, a piston is arranged inside the piston cylinder, a piston rod is fixed on one side of the piston close to the rectifying box, one end of the piston rod, far away from the piston, is rotatably connected with the end part of the transmission rod, air outlets are symmetrically formed in the bottom of the piston cylinder, and a first check valve is fixed inside the air outlets;
the steam pipe heating device is characterized in that an exhaust pipe is installed at the top of the piston cylinder, two sides of the top of the piston cylinder are communicated with the exhaust pipe through an air inlet pipe, a second one-way valve is fixed inside the air inlet pipe, an air outlet pipe is communicated with one side, far away from the steam pipe, of the condensation box, one end, far away from the condensation box, of the air outlet pipe is communicated with the exhaust pipe, and a heating resistor is installed on the inner wall of the rectifying box.
Preferably, the middle part of the bottom end of the rectifying box is communicated with a water inlet pipe, a water tank is arranged in the rotating shaft, the bottom of the water tank is communicated with the water inlet pipe, and the rotating shaft is provided with spray holes at equal intervals on the outer side close to the water tank.
Preferably, the first gear and the second gear are meshed with a toothed belt, and the first gear and the second gear form a synchronous structure through the toothed belt.
Preferably, the transmission wheel and the piston rod form a transmission structure through a transmission rod.
Preferably, the first check valve is used for one-way communication of the piston cylinder to the outside.
Preferably, the second check valve is in one-way communication from the exhaust pipe to the piston cylinder.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a piston cylinder that sets up, pivot drive piston round trip movement when stirring the material, through the round trip movement of piston, can last with air escape in the condensing box, make the interior negative pressure state that forms of condensing box for the speed that steam flows in to the condensing box in the rectification box, make steam become liquid at the condensation on condenser surface, be convenient for accelerate the condensation efficiency of steam.
2. The utility model discloses a when inlet tube and the orifice that set up need clear up the rectifier box, open row's material pipe, make the material after the rectification discharge through arranging the material pipe, later make the clearance water pass through the inlet tube and get into inside the basin, later through the orifice blowout, the motor drives the pivot rotation simultaneously, makes the clearance water spout and washes the rectifier box inner wall, is convenient for clear up the rectifier box is inside.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a top-view cross-sectional structure of a rectifying box of the present invention;
fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention.
In the figure: 1. a rectification box; 2. a condenser tank; 3. a steam pipe; 4. a discharge pipe; 5. a feed inlet; 6. a condenser; 7. a liquid outlet pipe; 8. a rotating shaft; 9. a water inlet pipe; 10. a water tank; 11. spraying a hole; 12. a stirring rod; 13. a first gear; 14. a motor; 15. a second gear; 16. a toothed belt; 17. a driving wheel; 18. a transmission rod; 19. a piston cylinder; 20. a piston; 21. a piston rod; 22. an air outlet; 23. a first check valve; 24. an air exhaust pipe; 25. an air inlet pipe; 26. a second one-way valve; 27. an air outlet pipe; 28. and heating the resistor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: a rectification device for diethyl oxalate production comprises a rectification box 1, a condensation box 2, a steam pipe 3, a discharge pipe 4, a feed inlet 5, a condenser 6, a liquid outlet pipe 7, a rotating shaft 8, a water inlet pipe 9, a water tank 10, spray holes 11, a stirring rod 12, a first gear 13, a motor 14, a second gear 15, a toothed belt 16, a transmission wheel 17, a transmission rod 18, a piston cylinder 19, a piston 20, a piston rod 21, an air outlet 22, a first check valve 23, an exhaust pipe 24, an air inlet pipe 25, a second check valve 26, an air outlet pipe 27 and a heating resistor 28, wherein the condensation box 2 is arranged on one side of the rectification box 1, the rectification box 1 is communicated with the condensation box 2 through the steam pipe 3, the discharge pipe 4 is communicated with one side of the bottom of the rectification box 1, and the discharge pipe 4 is communicated with the bottom of the rectification box,
a feed inlet 5 is formed in one side of the top of the rectifying box 1, a condenser 6 is installed at the top of the inner side of the condensing box 2, a liquid outlet pipe 7 is communicated with the middle of the bottom end of the condensing box 2, a rotating shaft 8 is rotatably connected to the middle of the rectifying box 1, the rectifying box 1 is cleaned through a cleaning mechanism, a water inlet pipe 9 is communicated with the middle of the bottom end of the rectifying box 1, a water tank 10 is formed inside the rotating shaft 8, the bottom of the water tank 10 is communicated with the water inlet pipe 9, spray holes 11 are formed in the rotating shaft 8 at an equal distance close to the outer side of the water tank 10, when the rectifying box 1 needs to be cleaned, a discharge pipe 4 is opened, the rectified materials are discharged through the discharge pipe 4, then cleaning water enters the water tank 10 through the water inlet pipe 9, then is sprayed out through the spray holes 11, and meanwhile, the motor 14 drives the rotating shaft 8 to rotate, so that the cleaning water is sprayed out to wash the inner wall of the rectifying box 1, the interior of the rectifying box 1 is convenient to clean;
a transmission wheel 17 is fixed on the top of the rotating shaft 8 close to the rectifying box 1, the transmission wheel 17 and a piston rod 21 form a transmission structure through a transmission rod 18, when a motor 14 drives the rotating shaft 8 to rotate and stir the material through the rotating shaft 8, the rotating shaft 8 drives the transmission wheel 17 to rotate, the transmission wheel 17 drives the end part of the transmission rod 18 to move back and forth, so that the transmission rod 18 drives the piston rod 21 to move back and forth, the rotating shaft 8 drives the piston rod 21 to move back and forth while stirring the material through the rotating shaft 8, one side of the top of the transmission wheel 17 is rotatably connected with the transmission rod 18, a piston cylinder 19 is installed on the top of the condensing box 2, a piston 20 is arranged inside the piston cylinder 19, the piston rod 21 is fixed on one side of the piston 20 close to the rectifying box 1, one end of the piston rod 21 far away from the piston 20 is rotatably connected with the end part of the transmission rod 18, and air outlets 22 are symmetrically formed in the bottom of the piston cylinder 19, a first check valve 23 is fixed inside the air outlet 22, and the first check valve 23 is used for one-way circulation of the piston cylinder 19 to the outside;
an air exhaust pipe 24 is installed at the top of the piston cylinder 19, two sides of the top of the piston cylinder 19 are communicated with the air exhaust pipe 24 through an air inlet pipe 25, a second one-way valve 26 is fixed inside the air inlet pipe 25, the second one-way valve 26 is in one-way circulation from the air exhaust pipe 24 to the piston cylinder 19, when the piston rod 21 drives the piston 20 to move towards the left side, the first one-way valve 23 at the left side of the piston 20 is opened, the second one-way valve 26 is closed, the first one-way valve 23 at the right side of the piston 20 is closed, the second one-way valve 26 is opened, so that air in the piston cylinder 19 at the left side of the piston 20 is exhausted through the air outlet 22, air in the condenser box 2 enters the piston cylinder 19 at the right side of the piston 20 through the air outlet pipe 27 and the air exhaust pipe 24, when the piston 20 moves towards the right side, air in the piston cylinder 19 at the right side of the piston 20 is exhausted through the air outlet 22 at the right side, air in the condenser box 2 is pumped into the piston cylinder 19 at the left side of the piston 20, through piston 20's round trip movement, can continuously with air escape in the condensing box 2, make 2 interior negative pressure states of formation of condensing box for the speed that steam flows in to condensing box 2 in rectifying box 1 makes steam become liquid at the condensation of condenser 6 surface, is convenient for accelerate the condensation efficiency of steam, one side intercommunication that steam pipe 3 was kept away from to condensing box 2 has outlet duct 27, the one end that condensing box 2 was kept away from to outlet duct 27 is linked together with exhaust tube 24, heating resistor 28 is installed to rectifying box 1's inner wall.
The working principle is as follows: when the rectification device for producing diethyl oxalate is used, firstly, a material enters the rectification box 1 through the feed inlet 5, then the feed inlet 5 is closed, the material is heated through the heating resistor 28, the diethyl oxalate is evaporated into steam after reaching a boiling point, meanwhile, the motor 14 drives the rotating shaft 8 to rotate, the rotating shaft 8 drives the stirring rod 12 to stir the material, so that the heat of the material is uniformly mixed, the steam enters the condensation box 2 through the steam pipe 3, then the steam is condensed into liquid on the surface of the condenser 6 and drops to the bottom of the condensation box 2, the piston 20 is driven to move back and forth while the rotating shaft 8 stirs the material, when the piston 20 moves to the left side, the first check valve 23 on the left side of the piston 20 is opened, the second check valve 26 is closed, the first check valve 23 on the right side of the piston 20 is closed, the second check valve 26 is opened, so that the air in the piston cylinder 19 on the left side of the piston 20 is discharged through the air outlet 22, the gas in the condensation box 2 enters the piston cylinder 19 on the right side of the piston 20 through the gas outlet pipe 27 and the air exhaust pipe 24, when the piston 20 moves towards the right side, the gas in the piston cylinder 19 on the right side of the piston 20 is exhausted through the gas outlet 22 on the right side, the gas in the condensation box 2 is pumped into the piston cylinder 19 on the left side of the piston 20, through the back and forth movement of the piston 20, the gas in the condensation box 2 can be continuously exhausted, so that a negative pressure state is formed in the condensation box 2, the flowing speed of the steam in the rectification box 1 to the condensation box 2 is accelerated, the steam is condensed into a liquid state on the surface of the condenser 6, the condensing efficiency of the steam is convenient to accelerate, when the rectification box 1 needs to be cleaned, the material discharge pipe 4 is opened, the rectified material is discharged through the discharge pipe 4, then the cleaning water enters the water tank 10 through the water inlet pipe 9, then is sprayed out through the spray hole 11, and meanwhile the motor 14 drives the rotating shaft 8 to rotate, the cleaning water is sprayed out to wash the inner wall of the rectification box 1, so that the inside of the rectification box 1 is cleaned conveniently.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a diethyl oxalate production rectifier unit, includes rectification box (1), its characterized in that: a condensing box (2) is arranged on one side of the rectifying box (1), the rectifying box (1) is communicated with the condensing box (2) through a steam pipe (3) near the upper part, a discharging pipe (4) is communicated with one side of the bottom of the rectifying box (1), wherein,
the automatic feeding device is characterized in that a feeding hole (5) is formed in one side of the top of the rectifying box (1), a condenser (6) is installed at the top of the inner side of the condensing box (2), a liquid outlet pipe (7) is communicated with the middle of the bottom end of the condensing box (2), a rotating shaft (8) is rotatably connected to the middle of the rectifying box (1), the rectifying box (1) is cleaned through a cleaning mechanism, stirring rods (12) are fixed to the outer side of the rotating shaft (8) in an equal distance mode, a first gear (13) is fixed to the outer side, close to the top, of the rotating shaft (8), a motor (14) is installed on the other side of the top of the rectifying box (1), a second gear (15) is fixed to the inner portion, close to the rectifying box (1), of the motor (14), and a toothed belt (16) is sleeved on the first gear (13) and the second gear (15);
a transmission wheel (17) is fixed on the top of the rotating shaft (8) close to the rectifying box (1), a transmission rod (18) is rotatably connected to one side of the top of the transmission wheel (17), a piston cylinder (19) is installed on the top of the condensing box (2), a piston (20) is arranged inside the piston cylinder (19), a piston rod (21) is fixed on one side of the piston (20) close to the rectifying box (1), one end, far away from the piston (20), of the piston rod (21) is rotatably connected with the end of the transmission rod (18), air outlets (22) are symmetrically formed in the bottom of the piston cylinder (19), and a first check valve (23) is fixed inside the air outlet (22);
exhaust tube (24) are installed at the top of piston cylinder (19), the top both sides of piston cylinder (19) are linked together through intake pipe (25) and exhaust tube (24), the inside of intake pipe (25) is fixed with second check valve (26), one side intercommunication that steam pipe (3) were kept away from in condenser box (2) has outlet duct (27), the one end that condenser box (2) were kept away from in outlet duct (27) is linked together with exhaust tube (24), heating resistor (28) are installed to the inner wall of rectifier box (1).
2. The diethyl oxalate production and rectification device according to claim 1, which is characterized in that: cleaning mechanism includes inlet tube (9), basin (10) and orifice (11), the bottom middle part intercommunication of rectifying box (1) has inlet tube (9), basin (10) have been seted up to the inside of pivot (8), the bottom and inlet tube (9) of basin (10) are linked together, orifice (11) have been seted up to the outside equidistance that pivot (8) are close to basin (10).
3. The diethyl oxalate production and rectification device according to claim 1, which is characterized in that: the first gear (13) and the second gear (15) are meshed with the toothed belt (16), and the first gear (13) and the second gear (15) form a synchronous structure through the toothed belt (16).
4. The diethyl oxalate production and rectification device according to claim 1, which is characterized in that: the transmission wheel (17) and the piston rod (21) form a transmission structure through the transmission rod (18).
5. The diethyl oxalate production and rectification device according to claim 1, which is characterized in that: the first check valve (23) is used for one-way circulation of the piston cylinder (19) to the outside.
6. The diethyl oxalate production and rectification device according to claim 1, which is characterized in that: the second check valve (26) is communicated in a one-way mode in the direction from the exhaust pipe (24) to the piston cylinder (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120129338.2U CN214808518U (en) | 2021-01-18 | 2021-01-18 | Diethyl oxalate production and rectification device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120129338.2U CN214808518U (en) | 2021-01-18 | 2021-01-18 | Diethyl oxalate production and rectification device |
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| Publication Number | Publication Date |
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| CN214808518U true CN214808518U (en) | 2021-11-23 |
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| CN202120129338.2U Active CN214808518U (en) | 2021-01-18 | 2021-01-18 | Diethyl oxalate production and rectification device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114949897A (en) * | 2022-06-22 | 2022-08-30 | 安徽佳先功能助剂股份有限公司 | Continuous dehydration distillation plant of nylon acid diisobutyl ester |
| CN116351086A (en) * | 2023-03-21 | 2023-06-30 | 安徽瑞柏新材料有限公司 | Flash circulation type methyl acetate separation and purification equipment |
-
2021
- 2021-01-18 CN CN202120129338.2U patent/CN214808518U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114949897A (en) * | 2022-06-22 | 2022-08-30 | 安徽佳先功能助剂股份有限公司 | Continuous dehydration distillation plant of nylon acid diisobutyl ester |
| CN116351086A (en) * | 2023-03-21 | 2023-06-30 | 安徽瑞柏新材料有限公司 | Flash circulation type methyl acetate separation and purification equipment |
| CN116351086B (en) * | 2023-03-21 | 2023-09-26 | 安徽瑞柏新材料有限公司 | Flash circulation type methyl acetate separation and purification equipment |
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