Condensing device for producing indapamide impurities

Abstract

The utility model discloses a condensing device for producing indapamide impurities, which belongs to the technical field of condensing devices and comprises a condensing cylinder, a radiating cylinder and a spiral condensing pipe, the radiating cylinder is fixedly mounted in the condensing cylinder, the radiating cylinder and the condensing cylinder are coaxially arranged, and the spiral condensing pipe is spirally wound between the condensing cylinder and the radiating cylinder. A water inlet is formed in the top of the condensation barrel, a water outlet is formed in the bottom of the condensation barrel, a plurality of cooling fins are fixedly connected to the inner side wall of the cooling barrel and evenly distributed in the cooling barrel, and a cooling fan is fixedly installed at the upper end of the cooling barrel. By arranging the condensation barrel, during condensation, condensate can be circularly injected into the condensation barrel through the water inlet and the water outlet, gas to be condensed is introduced into the spiral condensation pipe from the gas inlet, and the spiral condensation pipe is in direct contact with the condensate in the condensation barrel for condensation, so that the heat transfer efficiency can be improved, and the condensation efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of condensation devices, and particularly relates to a condensation device for producing indapamide impurities. Background Art

[0002] Indapamide is a thiazide analogue, an antihypertensive drug and a sulfonamide diuretic. It works by inhibiting water and electrolyte reabsorption in the dilution segment of the distal renal tubular cortex. It offers advantages such as a strong antihypertensive effect, a long-lasting effect, minimal side effects, and long-term use. It is easily absorbed orally, with the majority of the drug metabolized in the body, leaving only 5% excreted unchanged through the kidneys. It takes 1-2 hours to take effect, reaches peak effect 2 hours after oral administration, and lasts for 36 hours.

[0003] In the prior art, when producing indapamide impurities, a condensing device is required to condense the gas. The existing Chinese patent with the announcement number CN215114031U discloses a condensing device for producing indapamide impurities, including a condensing device body, the condensing device body including a condensing inner tube and a condensing outer tube, the condensing inner tube is arranged inside the condensing outer tube, and tube body fixing plates are provided on both sides of the inner wall of the condensing outer tube. Both ends of the condensing inner tube pass through the tube body fixing plates, the top of the condensing outer tube is provided with an air inlet, the bottom of the condensing outer tube is provided with a liquid outlet, and the middle part of the inner wall of the condensing outer tube is provided with a partition, the partition divides the condensing outer tube into a condensing outer tube 1 and a lower condensing outer tube 2, the condensing inner tube passes through the partition and is sealed with the partition. The outer wall of the condensing outer tube 1 is provided with a condensate inlet 1 and a condensate outlet 1, the outer wall of the condensing outer tube 2 is provided with a condensate inlet 2 and a condensate outlet 2, the condensate inlet 1 is connected to a water inlet pipe 1, the water inlet pipe 1 is provided with a valve 1, the condensate inlet 2 is connected to a water inlet pipe 2, the water inlet pipe 2 is provided with a valve 2, the condensate outlet 1 is connected to a drain pipe 1, the condensate outlet 2 is connected to a drain pipe 2, the drain pipe 1 and the drain pipe 2 are connected to a cooling box, the top of the cooling box is provided with a cooling box water inlet and a cooling box outlet, the cooling box outlet is connected to a cooling box outlet pipe, the cooling box outlet pipe is connected to the water inlet pipe 1 and the water inlet pipe 2, and a water pump is provided on the cooling box outlet pipe.

[0004] Regarding the above-mentioned related technology, the inventors found that there are at least the following problems in this technology: in the above-mentioned technology, the condensate in the outer condensation tube is used to perform contactless condensation on the gas in the inner condensation tube, and the heat transfer efficiency is low, resulting in low condensation efficiency of the gas in the inner condensation tube. Utility Model Content

[0005] The purpose of the utility model is to provide a condensing device for producing indapamide impurities, so as to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the utility model provides the following technical solution: a condensing device for producing indapamide impurities, comprising a condensing cylinder, a heat dissipation cylinder and a spiral condensing tube, wherein the heat dissipation cylinder is fixedly installed in the condensing cylinder and the heat dissipation cylinder and the condensing cylinder are coaxially arranged, and the spiral condensing tube is spirally wound between the condensing cylinder and the heat dissipation cylinder, and a water inlet is provided at the top of the condensing cylinder and a water outlet is provided at the bottom of the condensing cylinder;

[0007] A plurality of heat sinks are fixedly connected to the inner side wall of the heat sink, and the plurality of heat sinks are evenly distributed in the heat sink. A heat sink fan is fixedly installed on the upper end of the heat sink.

[0008] As a preferred embodiment, the upper end of the spiral condenser is provided with an air inlet, and the lower end of the spiral condenser is provided with a liquid outlet.

[0009] As a preferred embodiment, a through hole is provided on the heat sink, and the through hole passes through the heat sink along the axial direction of the heat sink.

[0010] As a preferred embodiment, a filter is provided above the heat dissipation fan, and the filter is fixedly mounted on the upper end of the heat dissipation cylinder.

[0011] As a preferred embodiment, a limiting flange is provided at the upper end of the heat dissipation cylinder, and the limiting flange abuts against the top surface of the condensing cylinder.

[0012] As a preferred embodiment, a connecting ring is provided at the bottom of the condensing cylinder, and the lower end of the heat dissipating cylinder is fixed to the connecting ring by bolts.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The condensation device for producing indapamide impurities is provided with a condensation cylinder. During condensation, condensate can be circulated and injected into the condensation cylinder through a water inlet and a water outlet. The gas to be condensed is passed into a spiral condensation tube from the air inlet. The spiral condensation tube directly contacts the condensate in the condensation cylinder for condensation, thereby improving heat transfer efficiency and thus improving condensation efficiency.

[0015] The condensing device for producing indapamide impurities is provided with a heat dissipation tube. During condensation, part of the heat from the spiral condenser tube is transferred to the heat dissipation tube. The heat dissipation fins dissipate the heat from the heat dissipation tube. Starting the heat dissipation fan can speed up the air flow in the heat dissipation tube, thereby accelerating the heat discharge and further improving the condensation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2This is a schematic diagram of the internal structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Figure 4 For this utility model Figure 3 Enlarged structural diagram at point A in the middle.

[0020] In the figure: 1. Condenser tube; 11. Water inlet; 12. Water outlet; 2. Heat sink; 21. Heat sink; 22. Cooling fan; 23. Through hole; 24. Filter; 25. Limiting flange; 26. Connecting ring; 3. Spiral condenser; 31. Air inlet; 32. Liquid outlet. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the embodiments.

[0022] The following examples are intended to illustrate the present invention and are not intended to limit the scope of protection of the present invention. The conditions in the examples may be further adjusted according to specific conditions. Simple improvements to the method of the present invention based on the concept of the present invention fall within the scope of protection claimed by the present invention.

[0023] See also Figure 1-4 The utility model provides a condensing device for producing indapamide impurities, including a condensing cylinder 1, a heat dissipation cylinder 2 and a spiral condensing tube 3. The heat dissipation cylinder 2 is fixedly installed in the condensing cylinder 1, and the heat dissipation cylinder 2 and the condensing cylinder 1 are coaxially arranged. The top of the condensing cylinder 1 is provided with a water inlet 11, and the bottom of the condensing cylinder 1 is provided with a water outlet 12. The spiral condensing tube 3 is spirally wound between the condensing cylinder 1 and the heat dissipation cylinder 2. The upper end of the spiral condensing tube 3 is provided with an air inlet 31, and the lower end of the spiral condensing tube 3 is provided with a liquid outlet 32. By arranging the condensing cylinder 1, during condensation, condensate can be circulated and injected into the condensing cylinder 1 through the water inlet 11 and the water outlet 12, and the gas to be condensed is passed into the spiral condensing tube 3 from the air inlet 31. The spiral condensing tube 3 is in direct contact with the condensate in the condensing cylinder 1 for condensation, which can improve the heat transfer efficiency, thereby improving the condensation efficiency.

[0024] Reference Figure 2 and Figure 3A number of heat sinks 21 are fixedly connected to the inner wall of the heat sink 2, and the several heat sinks 21 are evenly distributed in the heat sink 2. A heat sink fan 22 is fixedly installed on the upper end of the heat sink 2. By setting the heat sink 2, during condensation, part of the heat of the spiral condenser tube 3 will be transferred to the heat sink 2, and the heat sink 21 will extract the heat of the heat sink 2. Starting the heat sink fan 22 can speed up the air flow in the heat sink 2, thereby accelerating the discharge of heat and further improving the condensation efficiency; a through hole 23 is opened on the heat sink 21, and the through hole 23 passes through the heat sink 21 along the axial direction of the heat sink 2. By setting the through hole 23, air flows inside the heat sink 21, thereby accelerating the dissipation of heat.

[0025] Furthermore, a filter 24 is provided above the heat dissipation fan 22 . The filter 24 is fixedly mounted on the upper end of the heat dissipation tube 2 . By providing the filter 24 , impurities such as dust can be reduced from falling into the heat dissipation tube 2 .

[0026] Reference Figure 3 and Figure 4 The upper end of the heat dissipation tube 2 is provided with a limiting flange 25, which abuts against the top surface of the condensing tube 1. The bottom of the condensing tube 1 is provided with a connecting ring 26. The lower end of the heat dissipation tube 2 is fixed to the connecting ring 26 by bolts. Through the setting of the limiting flange 25 and the connecting ring 26, when installing the heat dissipation tube 2, the heat dissipation tube 2 can be inserted into the condensing tube 1 from the upper end of the condensing tube 1 so that the limiting flange 25 abuts against the top surface of the condensing tube 1, and then the lower end of the heat dissipation tube 2 is fixed to the connecting ring 26 with bolts, so that the heat dissipation tube 2 can be disassembled and assembled separately.

[0027] The working principle and usage process of the present invention are as follows: First, by setting up a condensing cylinder 1, during condensation, condensate can be circulated and injected into the condensing cylinder 1 through the water inlet 11 and the water outlet 12, and the gas to be condensed is passed into the spiral condensing tube 3 from the air inlet 31. The spiral condensing tube 3 is in direct contact with the condensate in the condensing cylinder 1 for condensation, which can improve the heat transfer efficiency and thus improve the condensation efficiency. By setting up a heat dissipation cylinder 2, during condensation, part of the heat of the spiral condensing tube 3 will be transferred to the heat dissipation cylinder 2, and the heat dissipation fins 21 will extract the heat of the heat dissipation cylinder 2. Starting the heat dissipation fan 22 can speed up the air flow in the heat dissipation cylinder 2, thereby accelerating the discharge of heat and further improving the condensation efficiency.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A condensation device for producing indapamide impurities, comprising a condensation cylinder (1), a heat dissipation cylinder (2) and a spiral condensation tube (3), characterized in that: The heat dissipation cylinder (2) is fixedly installed in the condensation cylinder (1), and the heat dissipation cylinder (2) and the condensation cylinder (1) are coaxially arranged. The spiral condensation tube (3) is spirally wound between the condensation cylinder (1) and the heat dissipation cylinder (2). The top of the condensation cylinder (1) is provided with a water inlet (11), and the bottom of the condensation cylinder (1) is provided with a water outlet (12). A plurality of heat sinks (21) are fixedly connected to the inner side wall of the heat sink tube (2), and the plurality of heat sinks (21) are evenly distributed inside the heat sink tube (2). A heat sink fan (22) is fixedly mounted on the upper end of the heat sink tube (2).

2. A condensing device for producing indapamide impurities according to claim 1, characterized in that: An air inlet (31) is provided at the upper end of the spiral condenser tube (3), and a liquid outlet (32) is provided at the lower end of the spiral condenser tube (3).

3. A condensing device for producing indapamide impurities according to claim 1, characterized in that: A through hole (23) is provided on the heat sink (21), and the through hole (23) passes through the heat sink (21) along the axial direction of the heat sink tube (2).

4. A condensing device for producing indapamide impurities according to claim 1, characterized in that: A filter screen (24) is provided above the heat dissipation fan (22), and the filter screen (24) is fixedly mounted on the upper end of the heat dissipation cylinder (2).

5. A condensing device for producing indapamide impurities according to claim 1, characterized in that: A limiting flange (25) is provided at the upper end of the heat dissipation cylinder (2), and the limiting flange (25) abuts against the top surface of the condensation cylinder (1).

6. A condensing device for producing indapamide impurities according to claim 1, characterized in that: A connecting ring (26) is provided at the bottom of the condensing cylinder (1), and the lower end of the heat dissipating cylinder (2) is fixedly mounted to the connecting ring (26) via bolts.

Images