CN217929468U

CN217929468U - Energy-conserving drying system of 4, 6-dichloropyrimidine production

Info

Publication number: CN217929468U
Application number: CN202221807821.2U
Authority: CN
Inventors: 侍春明; 刘学明; 乐晟显; 卜延安
Original assignee: Alxa Left Banner Kaiyun Chemical Co ltd
Current assignee: Alxa Left Banner Kaiyun Chemical Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-11-29
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses an energy-saving drying system for producing 4, 6-dichloropyrimidine, which comprises a main body component, a drying component and an energy-saving component, wherein the main body component comprises a shell, a box door and a heating box; the front surface of the heating box is hinged with a box door, and the heating box is fixedly connected to the inside of the shell; the energy-saving component comprises a water tank, an air inlet pipe and an air outlet pipe; one side fixedly connected with water tank of casing, one side intercommunication of heating cabinet has intake pipe and blast pipe, intake pipe and blast pipe run through the water tank. The utility model discloses when carrying out drying process to 4, 6-dichloropyrimidine, when the air was discharged from the blast pipe, can carry out the heat transfer with the water in the water tank to make the solvent condensation, the water in the water tank heaies up the back, and before the air admission pipe got into the heating cabinet, obtains the heat from the aquatic in the water tank, makes the temperature reduce, and improves the temperature of air, reaches energy saving's purpose, has reduced the heat of scattering and disappearing in the air, has reduced the loss of energy.

Description

Energy-conserving drying system of 4, 6-dichloropyrimidine production

The technical field is as follows:

the utility model relates to the technical field of 4, 6-dichloropyrimidine production, in particular to an energy-saving drying system for producing 4, 6-dichloropyrimidine.

The background art comprises the following steps:

4, 6-dichloropyrimidine is an off-white needle-shaped crystal, has the melting point of 64.66 ℃, is difficult to dissolve in water, has certain solubility in 1, 2-dichloroethane, is easy to dissolve in solvents such as dichloromethane and DMF, and is mainly used as a medical intermediate for producing the sulfanilamide-6-methoxypyrimidine and an intermediate for synthesizing the bactericide kresoxim-methyl.

In the final stage of producing 4, 6-dichloropyrimidine, 4, 6-dichloropyrimidine after crystallization and centrifugation needs to be dried, the existing drying treatment mode generally uses hot water or steam as a heating source for heating, so that the solvent is vaporized, condensed and collected for reuse, the vaporized solvent contains more heat, and the part of heat can be dissipated in the air in the condensing process, so that waste is caused, and energy conservation is not facilitated, therefore, the energy-saving drying system for producing 4, 6-dichloropyrimidine is provided.

The utility model has the following contents:

the utility model aims to provide an energy-conserving drying system of 4, 6-dichloropyrimidine production to solve one of the problem that proposes in the above-mentioned background art.

The utility model discloses by following technical scheme implement: an energy-saving drying system for producing 4, 6-dichloropyrimidine comprises a main body component, a drying component and an energy-saving component, wherein the main body component comprises a shell, a box door and a heating box; the front surface of the heating box is hinged with a box door, and the heating box is fixedly connected to the inside of the shell;

the energy-saving component comprises a water tank, an air inlet pipe and an air outlet pipe; one side fixedly connected with water tank of casing, one side intercommunication of heating cabinet has intake pipe and blast pipe, intake pipe and blast pipe run through the water tank.

As a further preferred aspect of the present invention: the main body component also comprises a liquid collecting pipe, a collecting box, a water inlet pipe and a water outlet pipe; the bottom of the exhaust pipe is communicated with a liquid collecting pipe, and one end of the liquid collecting pipe is communicated with a collecting box.

As a further preferred aspect of the present invention: the rear surface of the shell is communicated with a water inlet pipe and a water outlet pipe.

As further preferable in the present technical solution: the drying component comprises a display screen, a fan, a drying table, a guide rod, a handle, a processor, a temperature sensor, a heating cavity and a heater;

the utility model discloses a refrigerator door, including the chamber door, the preceding surface mounting of chamber door has the display screen, the last surface mounting of casing has the treater, the internally mounted of heating cabinet has temperature sensor, temperature sensor's signal output part and the signal input part signal connection of treater, the signal output part of treater and the signal input part signal connection of display screen.

As a further preferred aspect of the present invention: and a fan is arranged at one end of the air inlet pipe.

As further preferable in the present technical solution: the inside symmetry fixedly connected with two guide bars of heating cabinet, the lateral wall sliding connection of guide bar has the drying stage, one side fixedly connected with handle of drying stage.

As further preferable in the present technical solution: be equipped with the heating chamber between casing and the heating cabinet, the internally mounted in heating chamber has the heater.

As a further preferred aspect of the present invention: the energy-saving component also comprises a filter plate and an adsorption plate; and a filter plate and an adsorption plate are arranged in the exhaust pipe.

The utility model has the advantages that: the utility model discloses when carrying out drying process to 4, 6-dichloropyrimidine, when the air that contains the solvent dichloroethane after the vaporization was discharged from the blast pipe, can carry out the heat transfer with the water in the water tank, thereby make the solvent condensation, after the water in the water tank heaies up, before the air admission heater box in the inlet tube, can follow the aquatic of water tank and obtain the heat, thereby make the temperature reduce, and improve the temperature of air, reach energy saving's purpose, the heat of scattering and disappearing in the air has been reduced simultaneously, the loss of energy has been reduced.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the internal structure of the heating box of the present invention;

FIG. 3 is a schematic view of the internal structure of the housing of the present invention;

FIG. 4 is a schematic structural view of the utility model with the water tank removed;

fig. 5 is a schematic view of the internal structure of the exhaust pipe of the present invention.

In the figure: 10. a body assembly; 11. a housing; 12. a box door; 13. a heating box; 14. a liquid collecting pipe; 15. a collection box; 16. a water inlet pipe; 17. a drain pipe; 20. a drying assembly; 21. a display screen; 22. a fan; 23. a drying table; 24. a guide rod; 25. a handle; 26. a processor; 27. a temperature sensor; 28. a heating cavity; 29. a heater; 30. an energy saving component; 31. a water tank; 32. an air inlet pipe; 33. an exhaust pipe; 34. a filter plate; 35. and (7) an adsorption plate.

The specific implementation mode is as follows:

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 efforts all belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: an energy-saving drying system for 4, 6-dichloropyrimidine production comprises a main body assembly 10, a drying assembly 20 and an energy-saving assembly 30, wherein the main body assembly 10 comprises a shell 11, a box door 12 and a heating box 13; a door 12 is hinged on the front surface of the heating box 13, and the heating box 13 is fixedly connected inside the shell 11;

the economizer assembly 30 includes a water tank 31, an intake duct 32, and an exhaust duct 33; a water tank 31 is fixedly connected to one side of the housing 11, an air inlet pipe 32 and an air outlet pipe 33 are communicated with one side of the heating tank 13, and the air inlet pipe 32 and the air outlet pipe 33 penetrate through the water tank 31.

In this embodiment, specifically: the main body assembly 10 further comprises a liquid collecting pipe 14, a collecting tank 15, a water inlet pipe 16 and a water discharging pipe 17; the bottom of the exhaust pipe 33 is communicated with a liquid collecting pipe 14, and one end of the liquid collecting pipe 14 is communicated with a collecting box 15; the vaporized dichloroethane solvent is exhausted with air through the exhaust pipe 33, and the solvent is condensed and gathered at the bottom of the exhaust pipe 33 when passing through the exhaust pipe 33, enters the collecting tank 15 through the liquid collecting pipe 14, and returns to the crystallization kettle.

In this embodiment, specifically: the rear surface of the shell 11 is communicated with a water inlet pipe 16 and a water outlet pipe 17; the utility model uses hot water as a heating source to heat the air, so that the 4, 6-dichloropyrimidine is dried, and the water inlet pipe 16 and the water outlet pipe 17 are respectively the inlet and the outlet of heating water.

In this embodiment, specifically: the drying assembly 20 comprises a display screen 21, a fan 22, a drying table 23, a guide bar 24, a handle 25, a processor 26, a temperature sensor 27, a heating cavity 28 and a heater 29;

a display screen 21 is installed on the front surface of the box door 12, a processor 26 is installed on the upper surface of the shell 11, a temperature sensor 27 is installed inside the heating box 13, the signal output end of the temperature sensor 27 is in signal connection with the signal input end of the processor 26, and the signal output end of the processor 26 is in signal connection with the signal input end of the display screen 21; the temperature of the inside of heating cabinet 13 passes through temperature sensor 27 response to with signal transmission for treater 26, after treater 26 received the signal, show the temperature of incasement through display screen 21, make things convenient for staff real time monitoring temperature.

In this embodiment, specifically: one end of the air inlet pipe 32 is provided with the fan 22; the blower 22 can accelerate the air flow speed in the heating box 13, thereby improving the drying efficiency of the 4, 6-dichloropyrimidine.

In this embodiment, specifically: two guide rods 24 are symmetrically and fixedly connected inside the heating box 13, the outer side wall of each guide rod 24 is connected with a drying table 23 in a sliding mode, and one side of each drying table 23 is fixedly connected with a handle 25; when 4, 6-dichloropyrimidine is put in, the drying table 23 can be pulled out through the handle 25, after the placement is finished, the drying table 23 is pushed in, and the guide rod 24 plays a role in guiding in the process.

In this embodiment, specifically: a heating cavity 28 is arranged between the shell 11 and the heating box 13, and a heater 29 is arranged in the heating cavity 28; the water in the heating chamber 28 is heated by the heater 29, so that the temperature in the heating box 13 is increased.

In this embodiment, specifically: the economizer assembly 30 further includes a filter plate 34 and an adsorption plate 35; a filter plate 34 and an adsorption plate 35 are installed in the exhaust pipe 33; the filter plate 34 is used for filtering dry dust, and the adsorption plate 35 is used for adsorbing non-condensable gas, thereby preventing pollution during gas discharge.

Working principle or structural principle: when the heating box is used, 4, 6-dichloropyrimidine is placed into the heating box 13, the fan 22 is started, the air flow speed in the heating box 13 is accelerated, the 4, 6-dichloropyrimidine is dried quickly, the exhaust pipe 33 is opened, air containing a solvent dichloroethane is discharged from the exhaust pipe 33, the solvent dichloroethane can be condensed in the exhaust pipe 33 and is collected into the collecting box 15, the discharged heat is absorbed by water in the water box 31, the water temperature is improved, when the air enters from the air inlet pipe 32, the heat can be absorbed from the water in the water box 31, the preheating effect is achieved, the heat required by temperature rise after entering the heating box 13 is reduced, the energy saving purpose is achieved, meanwhile, the air inlet pipe 32 and the exhaust pipe 33 are designed into serpentine pipelines, and the heat exchange efficiency is improved.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An energy-saving drying system for 4, 6-dichloropyrimidine production, which comprises a main body component (10), a drying component (20) and an energy-saving component (30), and is characterized in that: the main body component (10) comprises a shell (11), a box door (12) and a heating box (13); the front surface of the heating box (13) is hinged with a box door (12), and the heating box (13) is fixedly connected to the inside of the shell (11);

the energy-saving component (30) comprises a water tank (31), an air inlet pipe (32) and an air outlet pipe (33); one side fixedly connected with water tank (31) of casing (11), one side intercommunication of heating cabinet (13) has intake pipe (32) and blast pipe (33), intake pipe (32) and blast pipe (33) run through water tank (31).

2. The energy-saving drying system for producing 4, 6-dichloropyrimidine as claimed in claim 1, wherein: the main body component (10) also comprises a liquid collecting pipe (14), a collecting box (15), a water inlet pipe (16) and a water outlet pipe (17); the bottom of the exhaust pipe (33) is communicated with a liquid collecting pipe (14), and one end of the liquid collecting pipe (14) is communicated with a collecting box (15).

3. The energy-saving drying system for producing 4, 6-dichloropyrimidine as claimed in claim 2, wherein: the rear surface of the shell (11) is communicated with a water inlet pipe (16) and a water outlet pipe (17).

4. The energy-saving drying system for producing 4, 6-dichloropyrimidine as claimed in claim 1, characterized in that: the drying component (20) comprises a display screen (21), a fan (22), a drying table (23), a guide rod (24), a handle (25), a processor (26), a temperature sensor (27), a heating cavity (28) and a heater (29);

the front surface mounting of chamber door (12) has display screen (21), the last surface mounting of casing (11) has treater (26), the internally mounted of heating cabinet (13) has temperature sensor (27), the signal output part of temperature sensor (27) and the signal input part signal connection of treater (26), the signal output part of treater (26) and the signal input part signal connection of display screen (21).

5. The energy-saving drying system for producing 4, 6-dichloropyrimidine as claimed in claim 4, wherein: and a fan (22) is arranged at one end of the air inlet pipe (32).

6. The energy-saving drying system for producing 4, 6-dichloropyrimidine as claimed in claim 4, characterized in that: the inside symmetry fixedly connected with two guide bars (24) of heating cabinet (13), the lateral wall sliding connection of guide bar (24) has drying stage (23), one side fixedly connected with handle (25) of drying stage (23).

7. The energy-saving drying system for producing 4, 6-dichloropyrimidine as claimed in claim 4, characterized in that: be equipped with between casing (11) and heating cabinet (13) heating chamber (28), the internally mounted of heating chamber (28) has heater (29).

8. The energy-saving drying system for producing 4, 6-dichloropyrimidine as claimed in claim 1, characterized in that: the energy-saving component (30) also comprises a filter plate (34) and an adsorption plate (35); and a filter plate (34) and an adsorption plate (35) are arranged in the exhaust pipe (33).