CN217092129U

CN217092129U - Energy-saving distillation device for preparing 4, 6-dichloro-5-methoxypyrimidine

Info

Publication number: CN217092129U
Application number: CN202220897456.2U
Authority: CN
Inventors: 李涛; 徐盛杰
Original assignee: Jiangsu Jinshen Pharmaceutical Technology Co ltd
Current assignee: Jiangsu Jinshen Pharmaceutical Technology Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-08-02
Anticipated expiration: 2032-04-19

Abstract

The utility model discloses an energy-saving distillation device for preparing 4, 6-dichloro-5-methoxypyrimidine, which relates to the technical field of distillation and aims at solving the problem of poor condensation effect in the prior art, and provides a proposal that comprises a distillation flask, wherein the bottom of the distillation flask is fixedly connected with a heating mechanism, the top end of the distillation flask is fixedly communicated with a steam pipe, the upper end of the steam pipe is fixedly connected with a fixed rod, the upper end of the steam pipe is fixedly communicated with a plurality of branch pipes, the upper ends of the branch pipes are jointly and fixedly communicated with a collecting sleeve fixedly connected with the fixed rod, the bottom of the collecting sleeve is fixedly communicated with a plurality of liquid outlet pipes, the upper side of the collecting sleeve is fixedly communicated with a gas outlet pipe, the upper top surface of the inner side of the collecting sleeve is fixedly connected with a condensing sleeve, the utility model has simple structure, so that the 4, 6-dichloro-5-methoxypyrimidine can be more fully condensed and collected, improve the condensation effect, simple operation and convenient use.

Description

Energy-saving distillation device for preparing 4, 6-dichloro-5-methoxypyrimidine

Technical Field

The utility model relates to the technical field of distillation, especially, relate to an energy-conserving distillation plant of preparation 4, 6-dichloro-5-methoxypyrimidine.

Background

The 4, 6-dichloro-5-methoxypyrimidine in the mixed solution needs to be collected in the preparation process of the 4, 6-dichloro-5-methoxypyrimidine, and the 4, 6-dichloro-5-methoxypyrimidine is separated by a distillation method mainly through the difference of the boiling points of various chemical substances.

The existing distillation device is easy to cause that the evaporated steam can not be fully condensed into liquid in the distillation process, and the liquid is directly discharged into the air, thereby causing waste and causing poor condensation effect of substances, so that the energy-saving distillation device for preparing 4, 6-dichloro-5-methoxypyrimidine is needed at present.

SUMMERY OF THE UTILITY MODEL

The utility model provides an energy-conserving distillation plant of preparation 4, 6-dichloro-5-methoxy pyrimidine has solved the not good problem of condensation effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an energy-saving distillation device for preparing 4, 6-dichloro-5-methoxypyrimidine comprises a distillation flask, wherein a heating mechanism is fixedly connected to the bottom of the distillation flask, a steam pipe is fixedly communicated with the top end of the distillation flask, a fixing rod is fixedly connected to the upper end of the steam pipe, a plurality of branch pipes are fixedly communicated with the upper end of the steam pipe, a collecting sleeve fixedly connected with the fixing rod is fixedly communicated with the upper ends of the branch pipes, a plurality of liquid outlet pipes are fixedly communicated with the bottom of the collecting sleeve, an air outlet pipe is fixedly communicated with the upper side of the collecting sleeve, a condensing sleeve is fixedly connected with the upper top surface of the inner side of the collecting sleeve, a water inlet mechanism is fixedly communicated with the lower side of the condensing sleeve, a water outlet pipe fixedly connected with the collecting sleeve is fixedly communicated with the upper end of the condensing sleeve, the upper end of the water outlet pipe penetrates through the collecting sleeve, and a return pipe is fixedly communicated with the upper end of the water outlet pipe, the upper end of the fixed rod is fixedly connected with a positioning mechanism clamped with the return pipe.

Preferably, the heating mechanism comprises a base fixedly connected with the bottom of the distillation flask, a power supply is fixedly connected to the inner side of the base, two wire columns are fixedly connected to the upper side of the power supply, and the upper ends of the two wire columns are fixedly connected with heating wires located inside the distillation flask together.

Preferably, the water inlet mechanism comprises a water pump fixedly communicated with a water inlet pipe, the input end of the water pump is fixedly connected with a water tank, and the water tank is fixedly communicated with a return pipe.

Preferably, the positioning mechanism comprises a horizontal rod fixedly connected with the upper end of the fixed rod, the horizontal rod is sleeved with a plurality of positioning sleeves, the upper sides of the positioning sleeves are connected with positioning bolts which are abutted against the horizontal rod in a threaded mode, and the inner sides of the positioning sleeves are matched with the return pipe.

Preferably, a plurality of the drain pipes are all provided with a switch valve, and a plurality of the drain pipes are all provided with a collecting box below.

Preferably, the distillation flask, the condensation sleeve and the collection sleeve are all made of transparent materials, and the condensation sleeve and the collection sleeve are both of a circular ring structure with a hollow inner part.

The utility model has the advantages that:

1. the heating wire is heated by the power supply, so that the liquid in the distillation flask can be boiled, 4, 6-dichloro-5-methoxypyrimidine molecules are evaporated into the steam pipe, then the molecules are collected into the collecting sleeve through the branch pipe, water vapor can be condensed by cold water in the condensing sleeve, 4, 6-dichloro-5-methoxypyrimidine condensed into liquid is collected into the bottom of the collecting sleeve, then the liquid flows into the collecting box through the liquid outlet pipe, the 4, 6-dichloro-5-methoxypyrimidine can be rapidly collected, the heating wire is directly arranged in the distillation flask, the heating wire can be in direct contact with the solution, the distillation efficiency is improved, and the energy consumption is reduced.

2. The inside of condensing jacket can be taken out to the cooling water through the water pump inside the water tank, then inside the outlet pipe through the condensing jacket upside flows into the back flow, and then inside the water tank that flows back, make the inboard cooling water of condensing jacket can the circulation flow, improve the condensation efficiency, through being connected branch pipe and the inboard upper end of collecting the cover, can make steam at first enter into the condensing jacket downside and collect the condensation chamber the inside that overlaps inboard formation, then flow into the condensing jacket upside and collect the condensation chamber the inside that overlaps inboard formation through the downside of condensing jacket, can increase the area of contact of steam and condensing jacket, make 4, 6-dichloro-5-methoxypyrimidine more abundant condensation become liquid, improve the condensation effect.

Drawings

FIG. 1 is a schematic sectional view of an energy-saving distillation apparatus for preparing 4, 6-dichloro-5-methoxypyrimidine according to the present invention;

FIG. 2 is a schematic front view of an energy-saving distillation apparatus for preparing 4, 6-dichloro-5-methoxypyrimidine according to the present invention;

FIG. 3 is an enlarged schematic view of the A position of an energy-saving distillation device for preparing 4, 6-dichloro-5-methoxypyrimidine according to the present invention.

Reference numbers in the figures: 1. a distillation flask; 2. a steam pipe; 3. a condensing sleeve; 4. collecting a sleeve; 5. a branch pipe; 6. a horizontal bar; 7. a return pipe; 8. a water inlet pipe; 9. a water pump; 10. a water tank; 11. a collection box; 12. a liquid outlet pipe; 13. a wire guide post; 14. heating wires; 15. a power source; 16. a base; 17. a positioning sleeve; 18. fixing the rod; 19. a water outlet pipe; 20. and (6) positioning the bolt.

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.

Referring to fig. 1-3, an energy-saving distillation device for preparing 4, 6-dichloro-5-methoxypyrimidine comprises a distillation flask 1, a heating mechanism is fixedly connected to the bottom of the distillation flask 1, a steam pipe 2 is fixedly communicated with the top end of the distillation flask 1, a fixing rod 18 is fixedly connected to the upper end of the steam pipe 2, a plurality of branch pipes 5 are fixedly communicated with the upper end of the steam pipe 2, a collecting sleeve 4 fixedly connected with the fixing rod 18 is fixedly communicated with the upper ends of the branch pipes 5, a plurality of liquid outlet pipes 12 are fixedly communicated with the bottom of the collecting sleeve 4, an air outlet pipe is fixedly communicated with the upper side of the collecting sleeve 4, a condensing sleeve 3 is fixedly connected to the upper top surface of the inner side of the collecting sleeve 4, a water inlet mechanism is fixedly communicated with the lower side of the condensing sleeve 3, a water outlet pipe 19 fixedly connected with the collecting sleeve 4 is fixedly communicated with the upper end of the condensing sleeve 3, and the upper end of the water outlet pipe 19 penetrates through the collecting sleeve 4, the upper end of the water outlet pipe 19 is fixedly communicated with the return pipe 7, the upper end of the fixed rod 18 is fixedly connected with a positioning mechanism clamped with the return pipe 7, the heating wire 14 is heated by the power supply 15, so that the liquid in the distillation flask 1 can be boiled, 4, 6-dichloro-5-methoxypyrimidine molecules are evaporated into the steam pipe 2 and then are collected into the collecting sleeve 4 through the branch pipe 5, water vapor can be condensed by cold water in the condensing sleeve 3, the 4, 6-dichloro-5-methoxypyrimidine condensed into liquid is collected into the bottom of the collecting sleeve 4 and then flows into the collecting box 11 through the liquid outlet pipe 12, so that the 4, 6-dichloro-5-methoxypyrimidine can be rapidly collected, and cooling water in the water tank 10 can be pumped into the condensing sleeve 3 through the water pump 9, then the outlet pipe 19 through the condenser sleeve 3 upside flows into inside the back flow pipe 7, and then inside the water tank 10 that flows back, make the inboard cooling water of condenser sleeve 3 can the circulation flow, improve condensation efficiency, through being connected branch pipe 5 with the inboard upper end that collects cover 4, can make steam at first enter into the condenser sleeve 3 downside and collect the condensation chamber the inside that the cover 4 inboard formed, then flow into the condenser sleeve 3 upside and collect the condensation chamber the inside that the cover 4 inboard formed through the downside of condenser sleeve 3, can increase the area of contact of steam and condenser sleeve, improve the condensation effect.

Heating mechanism includes base 16 with retort 1 bottom fixed connection, the inboard fixedly connected with power 15 of base 16, two wire columns 13 of upside fixedly connected with of power 15, the common fixedly connected with in the upper end of two wire columns 13 is located the inside heater strip 14 of retort 1.

The water inlet mechanism comprises a water pump 9 fixedly communicated with a water inlet pipe 8, an input end of the water pump 9 is fixedly connected with a water tank 10, and the water tank 10 is fixedly communicated with a return pipe 7.

The positioning mechanism comprises a horizontal rod 6 fixedly connected with the upper end of a fixed rod 18, a plurality of positioning sleeves 17 are sleeved on the horizontal rod 6, positioning bolts 20 which are abutted against the horizontal rod 6 are in threaded connection with the upper sides of the positioning sleeves 17, and the inner sides of the positioning sleeves 17 are matched with the return pipe 7.

All be provided with the ooff valve on a plurality of drain pipes 12, the below of a plurality of drain pipes 12 all is provided with collecting box 11.

The distillation flask 1, the condensing sleeve 3 and the collecting sleeve 4 are all made of transparent materials, and the condensing sleeve 3 and the collecting sleeve 4 are both of hollow circular ring structures.

The working principle is as follows: the heating wire 14 is heated by the power supply 15, so that the liquid in the distillation flask 1 can be boiled, 4, 6-dichloro-5-methoxypyrimidine molecules are evaporated into the steam pipe 2, and then are collected into the collecting sleeve 4 through the branch pipe 5, water vapor can be condensed by cold water in the condensing sleeve 3, so that the 4, 6-dichloro-5-methoxypyrimidine condensed into liquid is collected at the bottom of the collecting sleeve 4 and then flows into the collecting box 11 through the liquid outlet pipe 12, so that the 4, 6-dichloro-5-methoxypyrimidine can be rapidly collected, cooling water in the water tank 10 can be pumped into the condensing sleeve 3 through the water pump 9, and then flows into the reflux pipe 7 through the water outlet pipe 19 on the upper side of the condensing sleeve 3 to further flow back into the water tank 10, make the inboard cooling water of condensing jacket 3 can the circulation flow, improve condensation efficiency, through with branch pipe 5 with collect the inboard upper end of cover 4 and be connected, can make steam at first enter into the condensing jacket 3 downside and collect the condensation chamber the inside that the cover 4 inboard formed, then flow into the condensing jacket 3 upside and collect the condensation chamber the inside that the cover 4 inboard formed through the downside of condensing jacket 3, can increase the area of contact of steam and condensing jacket, improve the condensation effect.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The energy-saving distillation device for preparing 4, 6-dichloro-5-methoxypyrimidine comprises a distillation flask (1) and is characterized in that a heating mechanism is fixedly connected to the bottom of the distillation flask (1), a steam pipe (2) is fixedly communicated with the top end of the distillation flask (1), a fixing rod (18) is fixedly connected to the upper end of the steam pipe (2), a plurality of branch pipes (5) are fixedly communicated with the upper end of the steam pipe (2), a collection sleeve (4) fixedly connected with the fixing rod (18) is jointly fixedly communicated with the upper ends of the branch pipes (5), a plurality of liquid outlet pipes (12) are fixedly communicated with the bottom of the collection sleeve (4), an air outlet pipe is fixedly communicated with the upper side of the collection sleeve (4), a condensation sleeve (3) is fixedly connected to the upper top surface of the inner side of the collection sleeve (4), and a water inlet mechanism is fixedly communicated with the lower side of the condensation sleeve (3), the upper end of the condensation sleeve (3) is fixedly communicated with a water outlet pipe (19) fixedly connected with the collection sleeve (4), the upper end of the water outlet pipe (19) penetrates through the collection sleeve (4), the upper end of the water outlet pipe (19) is fixedly communicated with a return pipe (7), and the upper end of the fixed rod (18) is fixedly connected with a positioning mechanism clamped with the return pipe (7).

2. The energy-saving distillation device for preparing 4, 6-dichloro-5-methoxypyrimidine according to claim 1, wherein the heating mechanism comprises a base (16) fixedly connected to the bottom of the distillation flask (1), a power supply (15) is fixedly connected to the inner side of the base (16), two wire columns (13) are fixedly connected to the upper side of the power supply (15), and the upper ends of the two wire columns (13) are fixedly connected to a heating wire (14) positioned inside the distillation flask (1).

3. The energy-saving distillation device for preparing 4, 6-dichloro-5-methoxypyrimidine according to claim 1, wherein the water inlet mechanism comprises a water pump (9) fixedly communicated with the water inlet pipe (8), a water tank (10) is fixedly connected to an input end of the water pump (9), and the water tank (10) is fixedly communicated with the return pipe (7).

4. The energy-saving distillation device for preparing 4, 6-dichloro-5-methoxypyrimidine according to claim 1, wherein the positioning mechanism comprises a horizontal rod (6) fixedly connected with the upper end of a fixed rod (18), a plurality of positioning sleeves (17) are sleeved on the horizontal rod (6), positioning bolts (20) abutting against the horizontal rod (6) are connected to the upper sides of the positioning sleeves (17) in a threaded manner, and the inner sides of the positioning sleeves (17) are matched with the return pipe (7).

5. An energy-saving distillation apparatus for preparing 4, 6-dichloro-5-methoxypyrimidine according to claim 1, wherein a plurality of the effluent pipes (12) are each provided with a switch valve, and a collection tank (11) is provided below each of the plurality of effluent pipes (12).

6. The energy-saving distillation device for preparing 4, 6-dichloro-5-methoxypyrimidine according to claim 1, wherein the distillation flask (1), the condensing sleeve (3), and the collecting sleeve (4) are all made of transparent materials, and the condensing sleeve (3) and the collecting sleeve (4) are both of a circular ring structure with a hollow interior.