Condensing device for preparing 2, 3-dichloropyridine

Abstract

The utility model discloses a condensing device for preparing 2, 3-dichloropyridine, which relates to the technical field of condensation and comprises a condensing device. The condensing device is composed of a condensing tank and a material tank, the material tank is installed in the middle of the interior of the condensing tank, the condensing tank is composed of a containing cavity and a cooling mechanism, the containing cavity is filled with cooling oil, a sealing cover is installed at the upper end of the material tank, a shaft rod is installed in the material tank, and the shaft rod is connected with the cooling mechanism. And a first spiral blade is installed at the bottom end of the shaft rod and located on the outer side of the inner section of the discharging pipe, and a stirring mechanism is installed in the middle of the interior of the material tank and located on the outer side of the shaft rod. Cooling oil in the containing cavity is cooled through the cooling mechanism, materials in the material tank are condensed through low-temperature cooling oil, the materials in the material tank can be conveniently and evenly cooled, the shaft rod drives the stirring mechanism to operate, the materials are stirred up and down, and the materials can be evenly heated.

Description

Technical Field

[0001] The utility model belongs to the field of condensation, and specifically relates to a condensation device for preparing 2,3-dichloropyridine. Background Art

[0002] 2,3-Dichloropyridine is an important intermediate, which is widely used in pesticides, medicines, fine chemicals and other fields. 2,3-Dichloropyridine needs to be condensed during its processing.

[0003] The Chinese patent number is CN202020513283.0. A condensation device for preparing 2,3-dichloropyridine, which cools down the materials in the storage body evenly and improves the use effect of the device; it includes a storage body, a feed pipe, a discharge pipe, a condensation body, multiple groups of legs, multiple groups of connecting blocks, a water inlet pipe, a drain pipe and two groups of control valves, a storage cavity is arranged inside the storage body, the feed pipe is fixed to the top right side of the storage body and is connected to the storage cavity, and the discharge pipe is fixed to the bottom end of the storage body and is also connected to the storage cavity, and the storage body is fixed in the condensation body through the connecting block, a condensation cavity is arranged inside the condensation body, the bottom end of the condensation body is connected to the legs, the legs support the condensation body, and the water inlet pipe is fixed to the upper right end of the condensation body, the drain pipe is fixed to the bottom left end of the condensation body, and both the water inlet pipe and the drain pipe are connected to the condensation cavity of the condensation body.

[0004] During use, the utility model cools down by water cooling. The flow direction of the first water is difficult to control, resulting in uneven internal temperature. The second water obtains thermal conductivity relatively slowly, affecting the condensation effect.

[0005] In view of this, the present utility model is proposed. Utility Model Content

[0006] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a condensing device for preparing 2,3-dichloropyridine.

[0007] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0008] A condensing device for preparing 2,3-dichloropyridine comprises a condensing device; the condensing device consists of a condensing tank and a material tank, the material tank is installed at the middle position inside the condensing tank, the condensing tank consists of a containing cavity and a cooling mechanism, the cooling mechanism is installed inside the containing cavity, the containing cavity is filled with cooling oil, a supporting mechanism is installed around the bottom end of the condensing tank, a discharge pipe is installed at the bottom end of the material tank, a sealing cover is installed at the upper end of the material tank, a shaft rod is installed inside the material tank, a first spiral blade is installed at the bottom end of the shaft rod outside the inner section of the discharge pipe, a stirring blade is installed below the shaft rod, a flipping mechanism is installed at the middle position inside the material tank outside the shaft rod, a power mechanism is installed at the upper end of the shaft rod, and the bottom end of the power mechanism is installed at the upper end of the material tank.

[0009] Optionally, the cooling mechanism consists of a circulation pipe, a liquid inlet pipe and a liquid outlet pipe, the circulation pipe is installed at an internal position of the condensation tank, the liquid inlet pipe is installed at an upper end position of the circulation pipe, and the liquid outlet pipe is installed at a lower end position of the circulation pipe.

[0010] Optionally, a plurality of heat conducting plates are provided on the upper side of the circulation pipe, and the heat conducting plates are welded on the upper side of the circulation pipe.

[0011] Optionally, a heat insulation plate is provided inside the containing chamber, and the heat insulation plate is fixedly installed inside the containing chamber by bolts.

[0012] Optionally, the supporting mechanism consists of a support leg and a threaded barrel, the support leg is installed at the bottom end of the condensation tank, the threaded barrel is rotatably installed at the bottom end of the support leg, and a bottom plate is installed at the bottom end of the threaded barrel.

[0013] Optionally, the flipping mechanism consists of an inner cylinder and a second spiral blade, the inner cylinder is installed in an inner position of the material tank, and the second spiral blade is installed on the outer side of the shaft rod of the inner section of the inner cylinder.

[0014] Optionally, the power mechanism consists of an electric motor and a transmission, the transmission is installed at the upper end of the material tank, and the electric motor is installed at the upper end of the transmission.

[0015] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below at the same time:

[0016] 1. The cooling oil inside the containing chamber is cooled by the cooling mechanism, and the material inside the material tank is condensed by the low-temperature cooling oil, so as to evenly cool the material inside the material tank. The shaft drives the turning mechanism to operate, and the material is turned up and down, so that the material can be evenly heated.

[0017] 2. When the cooling mechanism is in use, the condensate is introduced into the circulation pipe through the liquid inlet pipe, the cooling oil is cooled through the circulation pipe, and the heated coolant is discharged through the liquid outlet pipe.

[0018] 3. When the turning mechanism is in use, the shaft drives the second spiral blade to rotate, and the second spiral blade will lift the material upward, so that the material inside the material tank will be turned up and down, which is convenient for the material to be evenly cooled.

[0019] 4. When the power mechanism is in use, the motor is turned on by a switch, the motor will provide rotational power, and the transmission will integrate the rotational speed of the motor and then output it.

[0020] The specific implementation modes of the present utility model are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0022] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model;

[0023] Figure 2 This is a schematic structural diagram of a condensing tank according to an embodiment of the utility model;

[0024] Figure 3 This is a structural schematic diagram of a material tank according to an embodiment of the utility model;

[0025] Figure 4 This is a schematic structural diagram of a shaft rod according to an embodiment of the utility model;

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] 1. Condensation device; 2. Condensation tank; 3. Material tank; 4. Power mechanism; 5. Sealing cover; 6. Motor; 7. Transmission; 8. Liquid inlet pipe; 9. Liquid outlet pipe; 10. Material outlet pipe; 11. Support mechanism; 12. Support legs; 13. Threaded barrel; 14. Bottom plate; 15. Holding chamber; 16. Heat insulation board; 17. Circulation pipe; 18. Heat conduction plate; 19. First spiral blade; 20. Stirring blade; 21. Inner barrel; 22. Shaft; 23. Second spiral blade; 24. Flipping mechanism; 25. Cooling mechanism.

[0028] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0029] The utility model is now described in further detail with reference to the accompanying drawings.

[0030] See also Figure 1-4 As shown, in this embodiment, a condensing device for preparing 2,3-dichloropyridine is provided, including a condensing device 1; the condensing device 1 is composed of a condensing tank 2 and a material tank 3, the material tank 3 is installed in the middle position inside the condensing tank 2, the condensing tank 2 is composed of a holding chamber 15 and a cooling mechanism 25, the cooling mechanism 25 is installed in the holding chamber 15, the holding chamber 15 is filled with cooling oil, a supporting mechanism 11 is installed around the bottom end of the condensing tank 2, a discharge pipe 10 is installed at the bottom end of the material tank 3, a sealing cover 5 is installed at the upper end of the material tank 3, a shaft rod 22 is installed inside the material tank 3, a first spiral blade 19 is installed at the bottom end of the shaft rod 22 outside the inner section of the discharge pipe 10, a stirring blade 20 is installed below the shaft rod 22, a flipping mechanism 24 is installed at the middle position inside the material tank 3 outside the shaft rod 22, a power mechanism 4 is installed at the upper end of the shaft rod 22, and the bottom end of the power mechanism 4 is installed at the upper end of the material tank 3.

[0031] The application of one aspect of this embodiment is: during the condensation process, the material is introduced into the material tank 3, and the coolant is introduced into the cooling mechanism 25. The cooling oil in the containing chamber 15 is cooled by the cooling mechanism 25, and the material in the material tank 3 is condensed by the low-temperature cooling oil, so as to evenly cool the material in the material tank 3. The shaft 22 is driven to rotate by the power mechanism 4, and the shaft 22 will drive the stirring blades 20 to stir the material, and at the same time drive the flipping mechanism 24 to operate, and the material is flipped up and down, so that the material can be evenly heated.

[0032] In this embodiment, the cooling mechanism 25 is composed of a circulation pipe 17, a liquid inlet pipe 8 and a liquid outlet pipe 9. The circulation pipe 17 is installed in the internal position of the condensation tank 2, the liquid inlet pipe 8 is installed at the upper end of the circulation pipe 17, and the liquid outlet pipe 9 is installed at the bottom end of the circulation pipe 17. When the cooling mechanism 25 is in use, the condensate is introduced into the circulation pipe 17 through the liquid inlet pipe 8, the cooling oil is cooled through the circulation pipe 17, and the heated coolant is discharged through the liquid outlet pipe 9.

[0033] In this embodiment, a plurality of heat conducting plates 18 are arranged on the upper side of the circulation pipe 17. The heat conducting plates 18 are welded on the upper side of the circulation pipe 17. The arrangement of the heat conducting plates 18 can increase the contact area between the cold and heat sources, thereby improving the cooling effect on the cooling oil.

[0034] In this embodiment, a heat insulation plate 16 is provided inside the containing chamber 15 , and the heat insulation plate 16 is fixedly installed inside the containing chamber 15 by bolts. The heat insulation plate 16 is provided to insulate the containing chamber 15 to prevent the external temperature from affecting the inside of the containing chamber 15 .

[0035] In this embodiment, the supporting mechanism 11 is composed of a supporting leg 12 and a threaded barrel 13, the supporting leg 12 is installed at the bottom end of the condensation tank 2, the threaded barrel 13 is rotatably installed at the bottom end of the supporting leg 12, and a bottom plate 14 is installed at the bottom end of the threaded barrel 13. When the supporting mechanism 11 is in use, the supporting leg 12 supports the condensation device 1, and the setting of the threaded barrel 13 can adjust the length of the supporting leg 12 by rotation, so as to level the condensation device 1, and the setting of the bottom plate 14 is used to increase the contact area with the ground.

[0036] In this embodiment, the flipping mechanism 24 is composed of an inner cylinder 21 and a second spiral blade 23. The inner cylinder 21 is installed in the internal position of the material tank 3, and the second spiral blade 23 is installed on the outer side of the shaft rod 22 in the inner section of the inner cylinder 21. When the flipping mechanism 24 is in use, the second spiral blade 23 is driven to rotate by the shaft rod 22, and the second spiral blade 23 will lift the material upward, so that the material inside the material tank 3 is flipped up and down, which is convenient for uniform cooling of the material.

[0037] In this embodiment, the power mechanism 4 is composed of an electric motor 6 and a transmission 7. The transmission 7 is installed at the upper end of the material tank 3, and the motor 6 is installed at the upper end of the transmission 7. When the power mechanism 4 is in use, the motor 6 is turned on by a switch, and the motor 6 will provide rotational power. The transmission 7 will integrate the rotational speed of the motor 6 and output it.

[0038] The present invention is not limited to the above-mentioned embodiments. Anyone should be aware that any structural changes made under the inspiration of the present invention, and any technical solutions that are the same or similar to the present invention, fall within the protection scope of the present invention. The technology, shape, and structure that are not described in detail in the present invention are all known technologies.

Claims

1. A condensing device for preparing 2,3-dichloropyridine, characterized in that: The invention comprises a condensing device (1); the condensing device (1) is composed of a condensing tank (2) and a material tank (3); the material tank (3) is installed at a middle position inside the condensing tank (2); the condensing tank (2) is composed of a containing chamber (15) and a cooling mechanism (25); the cooling mechanism (25) is installed inside the containing chamber (15); the containing chamber (15) is filled with cooling oil; a supporting mechanism (11) is installed around the bottom of the condensing tank (2); a discharging pipe (10) is installed at the bottom of the material tank (3); the material A sealing cover (5) is installed at the upper end of the tank (3), a shaft (22) is installed inside the material tank (3), a first spiral blade (19) is installed at the bottom end of the shaft (22) located outside the inner section of the discharge pipe (10), a stirring blade (20) is installed below the shaft (22), a flipping mechanism (24) is installed at the middle position inside the material tank (3) and outside the shaft (22), a power mechanism (4) is installed at the upper end of the shaft (22), and the bottom end of the power mechanism (4) is installed at the upper end of the material tank (3).

2. A condensing device for preparing 2,3-dichloropyridine according to claim 1, characterized in that: The cooling mechanism (25) is composed of a circulation pipe (17), a liquid inlet pipe (8) and a liquid outlet pipe (9); the circulation pipe (17) is installed at an internal position of the condensation tank (2); the liquid inlet pipe (8) is installed at an upper end position of the circulation pipe (17); and the liquid outlet pipe (9) is installed at a lower end position of the circulation pipe (17).

3. A condensing device for preparing 2,3-dichloropyridine according to claim 2, characterized in that: A plurality of heat conducting plates (18) are arranged on the upper side of the circulation pipe (17), and the heat conducting plates (18) are welded on the upper side of the circulation pipe (17).

4. A condensing device for preparing 2,3-dichloropyridine according to claim 1, characterized in that: A heat insulation board (16) is arranged inside the containing chamber (15), and the heat insulation board (16) is fixedly installed at a position inside the containing chamber (15) by means of bolts.

5. A condensing device for preparing 2,3-dichloropyridine according to claim 1, characterized in that: The supporting mechanism (11) is composed of a supporting leg (12) and a threaded barrel (13); the supporting leg (12) is installed at the bottom end of the condensation tank (2); the threaded barrel (13) is rotatably installed at the bottom end of the supporting leg (12); and a bottom plate (14) is installed at the bottom end of the threaded barrel (13).

6. A condensing device for preparing 2,3-dichloropyridine according to claim 1, characterized in that: The flipping mechanism (24) is composed of an inner cylinder (21) and a second spiral blade (23). The inner cylinder (21) is installed at an internal position of the material tank (3), and the second spiral blade (23) is installed on the outside of the shaft (22) in the inner section of the inner cylinder (21).

7. A condensing device for preparing 2,3-dichloropyridine according to claim 1, characterized in that: The power mechanism (4) is composed of an electric motor (6) and a transmission (7), wherein the transmission (7) is mounted at the upper end of the material tank (3), and the electric motor (6) is mounted at the upper end of the transmission (7).

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