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

Abstract

The utility model discloses an automatic energy-saving distillation device for preparing 4, 6-dichloro-5-methoxypyrimidine, and relates to the technical field of design of 4, 6-dichloro-5-methoxypyrimidine distillation preparation devices, the automatic energy-saving distillation device comprises a mounting flat plate, a distillation heating unit and an energy-saving condensation collection unit, four corners of the lower side surface of the mounting flat plate are respectively and fixedly connected with a supporting leg, and the supporting legs are arranged on the lower side surface of the mounting flat plate. The right side end face of the mounting flat plate is fixedly connected with an automatic controller through a fixed supporting frame, an energy-saving condensation collection unit is arranged on the upper side surface of the mounting flat plate, and a distillation heating unit comprises a heating base, a supporting rod, a water bath heating shell, a water inlet hole, an auxiliary heating rod and a reaction barrel fixing seat. The method provided by the utility model has the advantages of simple operation, energy conservation, reduction of distillation time, difficult waste and no influence on preparation and use of 4, 6-dichloro-5-methoxypyrimidine.

Description

Technical Field

[0001] The utility model relates to the technical field of design of 4,6-dichloro-5-methoxypyrimidine distillation preparation device, in particular to an automated energy-saving distillation device for preparing 4,6-dichloro-5-methoxypyrimidine. Background Art

[0002] Distillation is a thermodynamic separation process that utilizes the different boiling points of components in a mixed liquid or liquid-solid system to evaporate the lower-boiling-point component, followed by condensation to separate the components. It is a unit operation combining evaporation and condensation. Compared with other separation methods, such as extraction, filtration, and crystallization, it has the advantage of not requiring the use of solvents other than the system components, thus ensuring the introduction of new impurities. Distillation devices are commonly used for analytical testing in soil and water treatment, and are therefore widely used. 4,6-Dichloro-5-methoxypyrimidine is a chemical substance with the chemical formula C5H4Cl2N2O and a molecular weight of 179.00. 4,6-Dichloro-5-methoxypyrimidine can be prepared by distillation. To improve preparation efficiency and facilitate automated production, an automated, energy-saving distillation device for preparing 4,6-dichloro-5-methoxypyrimidine is needed.

[0003] The existing automated energy-saving distillation device for preparing 4,6-dichloro-5-methoxypyrimidine has the problem that the hot water generated after condensation cannot be recovered, which wastes energy and increases the distillation time, easily causing waste and affecting the preparation and use of 4,6-dichloro-5-methoxypyrimidine. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide an automated energy-saving distillation device for preparing 4,6-dichloro-5-methoxypyrimidine. The hot water generated after condensation can be recycled, which saves energy, reduces the distillation time, is not easy to cause waste, and does not affect the preparation and use of 4,6-dichloro-5-methoxypyrimidine, which can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned object, the present utility model provides the following technical solutions: an automated energy-saving distillation device for preparing 4,6-dichloro-5-methoxypyrimidine, comprising a mounting plate, a distillation heating unit, and an energy-saving condensation collection unit;

[0006] Mounting plate: A support leg is fixedly connected to each of the four corners of the lower surface. The right end surface of the mounting plate is fixedly connected to the automation controller through a fixed support frame. An energy-saving condensation collection unit is provided on the upper surface of the mounting plate;

[0007] The distillation heating unit comprises a heating base, a support rod, a water bath heating shell, a water inlet, an auxiliary heating rod and a reaction barrel fixing seat. The upper surface of the mounting plate is fixedly connected to a heating base at a position on the left side of the energy-saving condensation collection unit. Two equally spaced support rods are respectively provided on the upper surface of the mounting plate at positions on the front and rear sides of the heating base. Four support rods are located at the four corners of the heating base. A water bath heating shell is fixedly connected between the four heating bases. The water bath heating shell contacts the heating base. A reaction barrel fixing seat is fixedly connected to the inner bottom surface of the water bath heating shell. A water inlet is provided on the left surface of the water bath heating shell. The water inlet extends into the water bath heating shell. The water inlet is fixedly connected to the water inlet pipe. The lower surface of the water bath heating shell is fixedly connected to the auxiliary heating rods through fixing brackets on the left and right sides of the reaction barrel fixing seat. The heating ends of the two auxiliary heating rods extend into the water bath heating shell. The two auxiliary heating rods are arranged on the left and right sides of the reaction barrel fixing seat. The input ends of the automation controller, the auxiliary heating rods and the heating base are electrically connected to the output end of the external power supply through the external control switch group.

[0008] The mounting plate is used to install the fixing device, the automatic controller is used to control the use of the device, so that the device can be used automatically to improve the preparation efficiency, the energy-saving condensation collection unit is used for condensation collection, the heating base is used to heat the water in the water bath heating shell, thereby facilitating distillation preparation, the support rod is used to fix the water bath heating shell, the water bath heating shell is used to react the reaction distillation barrel, thereby performing distillation, the water inlet hole is used to allow external water to flow into the device, which is convenient for heating, the auxiliary heating rod is used for auxiliary heating to improve the heating efficiency, thereby performing preparation reaction, and the reaction barrel fixing seat is used to fix the reaction distillation barrel, thereby performing distillation heating.

[0009] Furthermore, the distillation heating unit also includes a reaction distillation barrel and a discharge pipe. A circular hole is provided on the upper surface of the water bath heating shell at a position corresponding to the reaction barrel fixing seat, and the circular hole extends into the water bath heating shell. A reaction distillation barrel is fixedly connected to the reaction barrel fixing seat, and the upper end of the reaction distillation barrel extends through the circular hole to the upper side of the water bath heating shell. A discharge circular hole is provided on the upper surface of the reaction distillation barrel, and the discharge circular hole extends into the reaction distillation barrel. The discharge circular hole on the reaction distillation barrel is fixedly clamped with one end of the discharge pipe, and the other end of the discharge pipe is fixedly clamped with the discharge funnel.

[0010] The reaction distillation barrel is used for heating reaction, and the discharge pipe is used for the circulation of steam generated by the reaction, which is convenient for distillation preparation.

[0011] Furthermore, the distillation heating unit also includes a feed pipe. A circular hole is opened on the reaction distillation barrel, and the circular hole extends into the reaction distillation barrel. The circular hole is fixedly connected to the feed pipe through a rubber strip, and the circular hole is arranged on the upper side of the water bath heating shell.

[0012] The feed pipeline is used to allow the raw materials for producing 4,6-dichloro-5-methoxypyrimidine to flow into the reaction distillation barrel for reaction production.

[0013] Furthermore, the energy-saving condensation collection unit includes a collection bucket fixing seat, a stable support frame and a collection bucket. The upper surface of the mounting plate is located on the right side of the heating base and is fixedly connected to a collection bucket fixing seat. A collection bucket is provided on the collection bucket fixing seat. The upper surface of the collection bucket fixing seat is located at the four corners of the collection bucket and is fixedly connected to a stable support frame respectively. The discharge funnel on the discharge pipe is set in the collection bucket.

[0014] The collecting barrel fixing seat is used to fix the collecting barrel, and the collecting barrel is used to collect the produced 4,6-dichloro-5-methoxypyrimidine. The stable support frame is used to make the collecting barrel more stable so that it can be collected and used.

[0015] Furthermore, the energy-saving condensation collection unit also includes a condenser fixing frame, a condenser and a condensate circulation pipe. The right side surface of the water bath heating shell is fixedly connected to the condenser fixing frame through a clamping block. A condenser is fixedly connected to the condenser fixing frame. The condenser is sleeved on the discharge pipe. The water inlet hole on the condenser is fixedly clamped to the condensate circulation pipe, and the condensate circulation pipe is connected to the external condensate.

[0016] The condenser fixing frame is used to fix the condenser, and the condenser is used to condense the steam in the discharge pipe for easy preparation and use. The condensate flow pipe is used to allow external condensate to flow into the condenser for easy preparation and use. The condenser is controlled by an automatic controller for easy condensation preparation and use.

[0017] Furthermore, the energy-saving condensation collection unit also includes an energy-saving delivery pipe, the water outlet on the condenser is fixedly connected to one end of the energy-saving delivery pipe, and the other end of the energy-saving delivery pipe extends into the water bath heating shell.

[0018] The energy-saving delivery pipe is used to facilitate the flow of hot condensate into the water bath heating shell, so as to save energy, improve the water heating efficiency in the water bath heating shell, and facilitate energy-saving use.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] 1. The automated energy-saving distillation device for preparing 4,6-dichloro-5-methoxypyrimidine has the following advantages: a distillation heating unit is provided, and a heating base is used to heat water in a water bath heating shell, thereby facilitating distillation preparation; a support rod is used to fix the water bath heating shell, and the water bath heating shell is used to react in a reaction distillation barrel, thereby performing distillation; a water inlet is used to allow external water to flow into the device, facilitating heating; an auxiliary heating rod is used to assist in heating to improve heating efficiency, thereby performing preparation reaction; a reaction barrel fixing seat is used to fix the reaction distillation barrel, and the reaction distillation barrel is used for heating reaction; a discharge pipe is used to circulate steam generated by the reaction; and a feed pipe is used to allow raw materials for producing 4,6-dichloro-5-methoxypyrimidine to circulate into the reaction distillation barrel for heating and distillation;

[0021] 2. The automated energy-saving distillation device for preparing 4,6-dichloro-5-methoxypyrimidine has the following advantages: an energy-saving condensation collection unit is provided, a collection barrel fixing seat is used to fix the collection barrel, the collection barrel is used to collect the produced 4,6-dichloro-5-methoxypyrimidine, a stable support frame is used to make the collection barrel more stable, a condenser fixing frame is used to fix the condenser, the condenser is used to condense the steam in the discharge pipe, which is convenient for preparation and use, a condensate circulation pipe is used to allow external condensate to flow into the condenser, which is convenient for preparation and use, the condenser is controlled by an automated controller, and the energy-saving conveying pipe is used to facilitate the flow of hot condensate into the water bath heating shell, thereby saving energy and collecting for energy-saving use;

[0022] 3. The automated energy-saving distillation device for preparing 4,6-dichloro-5-methoxypyrimidine has the following advantages: the hot water generated after condensation can be recycled, saving energy, reducing distillation time, not easily causing waste, and not affecting the preparation and use of 4,6-dichloro-5-methoxypyrimidine. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the back cross-sectional structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the partial cross-sectional structure of the condenser of the present invention.

[0026] In the figure: 1 mounting plate, 2 automation controller, 3 distillation heating unit, 31 heating base, 32 support rod, 33 water bath heating shell, 34 water inlet, 35 auxiliary heating rod, 36 reaction barrel fixing seat, 37 reaction distillation barrel, 38 feed pipe, 39 discharge pipe, 4 energy-saving condensation collection unit, 41 collection barrel fixing seat, 42 stable support frame, 43 collection barrel, 44 condenser fixing frame, 45 energy-saving conveying pipe, 46 condenser, 47 condensate circulation pipe. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figure 1-3 , this embodiment provides a technical solution: an automated energy-saving distillation device for preparing 4,6-dichloro-5-methoxypyrimidine, comprising a mounting plate 1, a distillation heating unit 3 and an energy-saving condensation collection unit 4;

[0029] Mounting plate 1: A support leg is fixedly connected to each of the four corners of the lower surface. The right end surface of the mounting plate 1 is fixedly connected to the automation controller 2 through a fixed support frame. The upper surface of the mounting plate 1 is provided with an energy-saving condensation collection unit 4;

[0030] Distillation heating unit 3: includes a heating base 31, a support rod 32, a water bath heating shell 33, a water inlet 34, an auxiliary heating rod 35 and a reaction barrel fixing seat 36. The upper surface of the mounting plate 1 is located at the position on the left side of the energy-saving condensation collection unit 4 and is fixedly connected to a heating base 31. The upper surface of the mounting plate 1 is located at the front and rear sides of the heating base 31 and is respectively provided with two equally spaced support rods 32. The four support rods 32 are located at the four corners of the heating base 31. A water bath heating shell 33 is fixedly connected between the four heating bases 31. The water bath heating shell 33 is in contact with the heating base 31. The inner bottom surface of the water bath heating shell 33 is fixedly connected to a A reaction barrel fixing seat 36 is provided, and a water inlet hole 34 is provided on the left surface of the water bath heating shell 33. The water inlet hole 34 extends into the water bath heating shell 33, and is fixedly connected to the water inlet pipe in the water inlet hole 34. The lower surface of the water bath heating shell 33 is located on the left and right sides of the reaction barrel fixing seat 36 and is fixedly connected to the auxiliary heating rods 35 through fixing brackets. The heating ends of the two auxiliary heating rods 35 extend into the water bath heating shell 33. The two auxiliary heating rods 35 are arranged on the left and right sides of the reaction barrel fixing seat 36. The input ends of the automation controller 2, the auxiliary heating rods 35 and the heating base 31 are electrically connected to the output end of the external power supply through the external control switch group.

[0031] The mounting plate 1 is used for mounting a fixing device, the automatic controller 2 is used for controlling the use of the device, allowing the device to be used automatically to improve the preparation efficiency, the energy-saving condensation collection unit 4 is used for condensation collection, the heating base 31 is used to heat the water in the water bath heating shell 33, thereby facilitating distillation preparation, the support rod 32 is used to fix the water bath heating shell 33, the water bath heating shell 33 is used to react the reaction distillation barrel 37, thereby performing distillation, the water inlet 34 is used to allow external water to flow into the device, facilitating heating, the auxiliary heating rod 35 is used for auxiliary heating to improve the heating efficiency, thereby performing the preparation reaction, and the reaction barrel fixing seat 36 is used to fix the reaction distillation barrel 37, thereby performing distillation heating.

[0032] The distillation heating unit 3 also includes a reaction distillation barrel 37 and a discharge pipe 39. A circular hole is opened on the upper surface of the water bath heating shell 33 at a position corresponding to the reaction barrel fixing seat 36, and the circular hole extends into the water bath heating shell 33. A reaction distillation barrel 37 is fixedly connected to the reaction barrel fixing seat 36. The upper end of the reaction distillation barrel 37 extends through the circular hole to the upper side of the water bath heating shell 33. A discharge circular hole is opened on the upper surface of the reaction distillation barrel 37, and the discharge circular hole extends into the reaction distillation barrel 37. The discharge circular hole on the reaction distillation barrel 37 is fixedly clamped with one end of the discharge pipe 39, and the other end of the discharge pipe 39 is fixedly clamped with the discharge funnel.

[0033] The reaction distillation barrel 37 is used for heating the reaction, and the discharge pipe 39 is used for circulating the steam generated by the reaction, so as to facilitate the distillation preparation.

[0034] The distillation heating unit 3 also includes a feed pipe 38. A circular hole 1 is opened on the reaction distillation barrel 37, and the circular hole 1 extends into the reaction distillation barrel 37. The circular hole 1 is fixedly connected to the feed pipe 38 through a rubber strip. The circular hole 1 is set on the upper side of the water bath heating shell 33.

[0035] The feed pipe 38 is used to allow the raw materials for producing 4,6-dichloro-5-methoxypyrimidine to flow into the reaction distillation barrel 37 for reaction production.

[0036] The energy-saving condensation collection unit 4 includes a collection bucket fixing seat 41, a stable support frame 42 and a collection bucket 43. The upper surface of the mounting plate 1 is located on the right side of the heating base 31 and is fixedly connected to a collection bucket fixing seat 41. A collection bucket 43 is provided on the collection bucket fixing seat 41. The upper surface of the collection bucket fixing seat 41 is located at the four corners of the collection bucket 43 and is fixedly connected to a stable support frame 42 respectively. The discharge funnel on the discharge pipe 39 is set in the collection bucket 43.

[0037] The collecting barrel fixing seat 41 is used to fix the collecting barrel 43, and the collecting barrel 43 is used to collect the produced 4,6-dichloro-5-methoxypyrimidine. The stabilizing support frame 42 is used to make the collecting barrel 43 more stably fixed so as to collect and use it.

[0038] The energy-saving condensation collection unit 4 also includes a condenser fixing frame 44, a condenser 46 and a condensate circulation pipe 47. The right surface of the water bath heating shell 33 is fixedly connected to the condenser fixing frame 44 through a clamping block. A condenser 46 is fixedly connected to the condenser fixing frame 44. The condenser 46 is sleeved on the discharge pipe 39. The water inlet hole on the condenser 46 is fixedly clamped with the condensate circulation pipe 47, and the condensate circulation pipe 47 is connected to the external condensate.

[0039] The condenser fixing frame 44 is used to fix the condenser 46, and the condenser 46 is used to condense the steam in the discharge pipe 39 for convenient preparation and use. The condensate flow pipe 47 is used to allow the external condensate to flow into the condenser 46 for convenient preparation and use. The condenser 46 is controlled by an automatic controller to facilitate condensation preparation and use.

[0040] The energy-saving condensation collection unit 4 further includes an energy-saving delivery pipe 45 . The water outlet on the condenser 46 is fixedly connected to one end of the energy-saving delivery pipe 45 , and the other end of the energy-saving delivery pipe 45 extends into the water bath heating shell 33 .

[0041] The energy-saving delivery pipe 45 is used to facilitate the flow of hot condensate into the water bath heating shell 33, thereby saving energy, improving the water heating efficiency in the water bath heating shell 33, and facilitating energy-saving use.

[0042] The working principle of an automated energy-saving distillation device for preparing 4,6-dichloro-5-methoxypyrimidine provided by the present invention is as follows: first, a heating base 31 is used to heat the water in a water bath heating shell 33, thereby facilitating distillation preparation and use; a support rod 32 is used to fix the water bath heating shell 33, and the water bath heating shell 33 is used to react with a reaction distillation barrel 37, thereby performing distillation and use; a water inlet 34 is used to allow external water to flow into the device, thereby facilitating heating and use; an auxiliary heating rod 35 is used for auxiliary heating to improve heating efficiency, thereby performing preparation reaction; a reaction barrel fixing seat 36 is used to fix the reaction distillation barrel 37, and the reaction distillation barrel 37 is used for heating reaction; a discharge pipe 39 is used to circulate the steam generated by the reaction; and a feed pipe 38 is used to The raw materials for producing 4,6-dichloro-5-methoxypyrimidine are allowed to flow into the reaction distillation barrel 37. The collecting barrel fixing seat 41 is used to fix the collecting barrel 43, and the collecting barrel 43 is used to collect the produced 4,6-dichloro-5-methoxypyrimidine. The stable support frame 42 is used to make the collecting barrel 43 more stable. The condenser fixing frame 44 is used to fix the condenser 46. The condenser 46 is used to condense the steam in the discharge pipe 39 for convenient preparation and use. The condensate flow pipe 47 is used to allow external condensate to flow into the condenser 46 for convenient preparation and use. The condenser 46 is controlled by an automatic controller. The energy-saving conveying pipe 45 is used to facilitate the hot condensate to flow into the water bath heating shell 33 for preparation and use.

[0043] It is worth noting that the core chip of the external control switch group disclosed in the above embodiments is a PLC single-chip microcomputer, the auxiliary heating rod 35 is an industrial heating rod, and the heating base 31 is an electromagnetic heating base. The external control switch group controls the automation controller 2, the auxiliary heating rod 35 and the heating base 31 using methods commonly used in the prior art.

[0044] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An automated energy-saving distillation apparatus for preparing 4,6-dichloro-5-methoxypyrimidine, characterized in that: It includes a mounting plate (1), a distillation heating unit (3) and an energy-saving condensation collection unit (4); Mounting plate (1): a support leg is fixedly connected to each of the four corners of the lower surface, the right end surface of the mounting plate (1) is fixedly connected to the automation controller (2) via a fixed support frame, and an energy-saving condensation collection unit (4) is provided on the upper surface of the mounting plate (1); The distillation heating unit (3) comprises a heating base (31), a support rod (32), a water bath heating shell (33), a water inlet (34), an auxiliary heating rod (35) and a reaction barrel fixing seat (36). The upper surface of the mounting plate (1) is located at the left side of the energy-saving condensation collection unit (4) and is fixedly connected to a heating base (31). The upper surface of the mounting plate (1) is located at the front and rear sides of the heating base (31) and is respectively provided with two equally spaced support rods (32). The four support rods (32) are located at the four corners of the heating base (31). A water bath heating shell (33) is fixedly connected between the four heating bases (31). The water bath heating shell (33) is in contact with the heating base (31). The inner bottom surface of the water bath heating shell (33) is fixed. A reaction barrel fixing seat (36) is connected, and a water inlet hole (34) is opened on the left surface of the water bath heating shell (33), and the water inlet hole (34) extends into the water bath heating shell (33). The water inlet hole (34) is fixedly connected with the water inlet pipe. The lower surface of the water bath heating shell (33) is located on the left and right sides of the reaction barrel fixing seat (36) and is fixedly connected with the auxiliary heating rods (35) through fixing frames. The heating ends of the two auxiliary heating rods (35) extend into the water bath heating shell (33). The two auxiliary heating rods (35) are set at the left and right sides of the reaction barrel fixing seat (36). The input ends of the automation controller (2), the auxiliary heating rods (35) and the heating base (31) are electrically connected to the output end of the external power supply through the external control switch group.

2. The automated energy-saving distillation device for preparing 4,6-dichloro-5-methoxypyrimidine according to claim 1, characterized in that: The distillation heating unit (3) further comprises a reaction distillation barrel (37) and a discharge pipe (39), a circular hole is provided on the upper surface of the water bath heating shell (33) at a position corresponding to the reaction barrel fixing seat (36), the circular hole extends into the water bath heating shell (33), a reaction distillation barrel (37) is fixedly connected to the reaction barrel fixing seat (36), the upper end of the reaction distillation barrel (37) extends through the circular hole to the upper side of the water bath heating shell (33), a discharge circular hole is provided on the upper surface of the reaction distillation barrel (37), the discharge circular hole extends into the reaction distillation barrel (37), one end of the discharge pipe (39) is fixedly connected to the discharge circular hole on the reaction distillation barrel (37), and the other end of the discharge pipe (39) is fixedly connected to the discharge funnel.

3. The automated energy-saving distillation device for preparing 4,6-dichloro-5-methoxypyrimidine according to claim 2, characterized in that: The distillation heating unit (3) further includes a feed pipe (38), a circular hole 1 is opened on the reaction distillation barrel (37), the circular hole 1 extends into the reaction distillation barrel (37), the circular hole 1 is fixedly connected to the feed pipe (38) through a rubber strip, and the circular hole 1 is arranged at the upper side of the water bath heating shell (33).

4. The automated energy-saving distillation device for preparing 4,6-dichloro-5-methoxypyrimidine according to claim 2, characterized in that: The energy-saving condensation collection unit (4) comprises a collection bucket fixing seat (41), a stable support frame (42) and a collection bucket (43); the upper surface of the mounting plate (1) is located on the right side of the heating base (31) and is fixedly connected to a collection bucket fixing seat (41); a collection bucket (43) is provided on the collection bucket fixing seat (41); the upper surface of the collection bucket fixing seat (41) is located at the four corners of the collection bucket (43) and is fixedly connected to a stable support frame (42); and the discharge funnel on the discharge pipe (39) is provided in the collection bucket (43).

5. The automated energy-saving distillation device for preparing 4,6-dichloro-5-methoxypyrimidine according to claim 4, characterized in that: The energy-saving condensation collection unit (4) further comprises a condenser fixing frame (44), a condenser (46) and a condensate circulation pipe (47). The right side surface of the water bath heating shell (33) is fixedly connected to the condenser fixing frame (44) through a clamping block. A condenser (46) is fixedly connected to the condenser fixing frame (44). The condenser (46) is sleeved on the discharge pipe (39). The water inlet hole on the condenser (46) is fixedly clamped to the condensate circulation pipe (47), and the condensate circulation pipe (47) is connected to the external condensate.

6. The automated energy-saving distillation apparatus for preparing 4,6-dichloro-5-methoxypyrimidine according to claim 5, characterized in that: The energy-saving condensation collection unit (4) further comprises an energy-saving delivery pipe (45), the water outlet on the condenser (46) is fixedly connected to one end of the energy-saving delivery pipe (45), and the other end of the energy-saving delivery pipe (45) extends into the water bath heating shell (33).

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