CN-224207435-U - Diisopropylamine is retrieved and is used condenser

CN224207435UCN 224207435 UCN224207435 UCN 224207435UCN-224207435-U

Abstract

The utility model discloses a diisopropylamine recycling condenser, wherein an upper cover is provided with a cooling medium inlet, one side of the lower part of a tank body is provided with a cooling medium outlet, one side of the upper part of the tank body is provided with a steam inlet, the lower surface of the lower cover is provided with a material outlet, the inside of the tank body is provided with a plurality of heat exchange plates, two adjacent heat exchange plates are connected through a plurality of support rods and a connecting pipe, the interiors of the heat exchange plates are all hollow structures, the two adjacent heat exchange plates are communicated with each other through the connecting pipe, the heat exchange plates are axially provided with flow passages, the center position of the heat exchange plate at the top end is provided with a straight pipe, the top end of the straight pipe is spliced and welded with the cooling medium inlet, the center position of the heat exchange plate at the bottom end is provided with an elbow, the outer end of the elbow is welded with the cooling medium outlet.

Inventors

XU CHENBING
ZHU HONGTAO
LI KAI
BAO TIANTIAN
ZHANG TIANWEI
Shi Liuwei
CHANG HONGWEI
JIANG MING

Assignees

江苏万年长药业有限公司

Dates

Publication Date: 20260508
Application Date: 20250604

Claims (4)

1. The condenser for recycling diisopropylamine is characterized by comprising a tank body (1), a lower cover (2), an upper cover (3), heat exchange plates (4), connecting pipes (5), support rods (6), straight pipes (7) and bent pipes (8), wherein the upper cover (3) is arranged at the top end of the tank body (1), the lower cover (2) is arranged at the bottom end of the tank body (1), the upper cover (3) is provided with a cooling medium inlet (9), one side of the lower part of the tank body (1) is provided with a cooling medium outlet (10), one side of the upper part of the tank body (1) is provided with a steam inlet (11), the lower surface of the lower cover (2) is provided with a material outlet (12), a plurality of heat exchange plates (4) are arranged inside the tank body (1), two adjacent heat exchange plates (4) are connected through the support rods (6) and the connecting pipes (5), the two adjacent heat exchange plates (4) are of hollow structures, are mutually communicated through the connecting pipes (5), the two adjacent heat exchange plates (4) are arranged in the height direction, the two heat exchange plates (4) are alternately arranged at the right side of the connecting pipes (4) and are provided with the center (13), the top end of the straight pipe (7) is spliced and welded with the cooling medium inlet (9), an elbow pipe (8) is arranged at the central position of the heat exchange plate (4) at the bottom end, and the outer end of the elbow pipe (8) is welded with the cooling medium outlet (10).
2. The diisopropylamine recycling condenser of claim 1, wherein the inner wall of the lower part of the tank body (1) is provided with a supporting ring (14), and the heat exchange plate (4) at the bottom end is supported on the upper surface of the supporting ring (14).
3. The diisopropylamine recycling condenser according to claim 1, wherein the outer side surface of the tank body (1) is provided with a plurality of supporting seats (15).
4. The diisopropylamine recycling condenser of claim 1, wherein the flow channels (13) formed by the upper and lower adjacent heat exchanging plates (4) are distributed in a staggered manner.

Description

Diisopropylamine is retrieved and is used condenser Technical Field The utility model relates to the technical field of condensing equipment, in particular to a condenser for recycling diisopropylamine. Background Diisopropylamine is an organic compound having the formula C6H15N and a molecular weight of about 101.19. Is usually colorless liquid, is easy to volatilize, has ammonia odor, has relative density of 0.72 (20 ℃), solidifying point of-96.3 ℃, boiling point of 83-84 ℃, flash point of-1.1 ℃ (open cup), self-ignition point of 402.2 ℃ and refractive index of 1.3924, is slightly soluble in water and is soluble in organic solvent. In the process of producing atorvastatin calcium intermediate A8, diisopropylamine vapor is obtained through a rectifying tower, in order to recover diisopropylamine, condensation treatment is generally performed through a condenser, at present, a coil structure is generally adopted in the condenser for recovering diisopropylamine, and the path of the coil is shorter, so that the condensation effect is affected, and therefore, an improved technology is needed to solve the problem in the prior art. Disclosure of utility model The present utility model is directed to a condenser for recovering diisopropylamine, which solves the problems set forth in the background art. The condenser for recycling diisopropylamine comprises a tank body, a lower cover, an upper cover, heat exchange plates, connecting pipes, supporting rods, straight pipes and bent pipes, wherein the top end of the tank body is provided with the upper cover, the bottom end of the tank body is provided with the lower cover, the upper cover is provided with a cooling medium inlet, one side of the lower part of the tank body is provided with a cooling medium outlet, one side of the upper part of the tank body is provided with a steam inlet, the lower surface of the lower cover is provided with a material outlet, a plurality of heat exchange plates are arranged in the tank body, two adjacent heat exchange plates are connected through a plurality of supporting rods and one connecting pipe, the interiors of the heat exchange plates are hollow structures, two adjacent heat exchange plates are mutually communicated through the connecting pipes, the two adjacent connecting pipes in the height direction are alternately arranged left and right, the heat exchange plates are axially provided with flow channels, the center positions of the heat exchange plates at the top end are provided with the straight pipes, the top end of the heat exchange plates are spliced and welded with the cooling medium inlet, the center positions of the heat exchange plates at the bottom end are provided with the bent pipes, and the outer ends of the heat exchange plates are welded with the cooling medium outlet. Preferably, the utility model provides a diisopropylamine recycling condenser, wherein the inner wall of the lower part of the tank body is provided with a supporting ring, and the heat exchange plate at the bottom end is supported on the upper surface of the supporting ring. Preferably, the utility model provides a diisopropylamine recycling condenser, wherein a plurality of supporting seats are arranged on the outer side surface of a tank body. Preferably, the diisopropylamine recycling condenser provided by the utility model is characterized in that the flow passages formed by the upper and lower adjacent heat exchange plates are distributed in a left-right staggered manner. Compared with the prior art, the utility model has the beneficial effects that: The inside of the tank body is provided with a plurality of hollow heat exchange plates, the adjacent heat exchange plates are communicated with each other through connecting pipes, the cooling medium sequentially fills each heat exchange plate through the connecting pipes which are alternately arranged left and right, after diisopropylamine steam enters the inside of the tank body, the diisopropylamine steam is subjected to heat exchange with the cooling medium inside the heat exchange plates, the diisopropylamine liquid is obtained through condensation, a plurality of layers of heat exchange plates are uniformly arranged inside the tank body, and the cooling medium can completely fill each heat exchange plate through the connecting pipes which are alternately arranged left and right, so that the heat exchange effect with the diisopropylamine steam is greatly improved. Drawings FIG. 1 is a schematic cross-sectional view of the present utility model; FIG. 2 is a schematic top view of a heat exchanger plate; FIG. 3 is a schematic view of the appearance structure of the present utility model. In the figure, a tank body 1, a lower cover 2, an upper cover 3, a heat exchange plate 4, a connecting pipe 5, a supporting rod 6, a straight pipe 7, a bent pipe 8, a cooling medium inlet 9, a cooling medium outlet 10, a steam inlet 11, a material outlet 12, a flow passage 13, a supporting ring 14 and a