Cyclohexeneformic acid distillation and filtration device

Abstract

The utility model discloses a cyclohexene formic acid distillation filtering device which comprises a distillation retort, a motor is fixedly installed in the middle of the top of the distillation retort, a stirring mechanism is arranged in an inner cavity of the distillation retort, a filtering groove is fixedly arranged on the top of an outer ring of the distillation retort in a sleeved mode, and a filtering ring is arranged in an inner cavity of the filtering groove. A plurality of through holes are uniformly formed in the outer wall of the filtering ring, the outer ring of the filtering ring is sleeved with a water absorption sleeve, a heating groove is formed between the inner ring and the outer ring of the distillation retort, and a heat exchange coil pipe is arranged in an inner cavity of the heating groove. When the device is used for distillation, cyclohexene formic acid steam can rise to the upper part of the inner cavity of the distillation retort and enter the filtering ring through the air inlet pipe, the cyclohexene formic acid steam can penetrate through the through hole and is in full contact with the water absorption sleeve, and the water absorption sleeve can absorb water vapor in the cyclohexene formic acid steam so as to dry the cyclohexene formic acid steam; therefore, water vapor in the cyclohexenecarboxylic acid steam can be removed during distillation, the production efficiency of the cyclohexenecarboxylic acid can be improved, and the production cost of the cyclohexenecarboxylic acid can be reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of distillation equipment, and particularly relates to a cyclohexene formic acid distillation and filtration device. Background Art

[0002] Cyclohexene formic acid is a transparent solid in appearance and is a substance with specific chemical properties. Its PSA (saturated vapor pressure) is 37.30000. These characteristics make it have specific application scenarios in chemical experiments and industrial production. Cyclohexene formic acid has a wide range of applications in chemical research and industrial production. For example, it can be used to prepare other chemicals or as a raw material for certain chemical reactions.

[0003] In chemical production, when preparing cyclohexene formic acid, it needs to be distilled out from the mixed solution to separate it from other impurities in the mixed solution. The boiling point of cyclohexene formic acid is 133 - 135 °C. Therefore, the cyclohexene formic acid vapor distilled out often contains a lot of water vapor, which is bound to affect the purity of the obtained cyclohexene formic acid product. The existing cyclohexene formic acid distillation equipment cannot dry the cyclohexene formic acid vapor, and the liquid cyclohexene formic acid needs to be dried after distillation. This will not only slow down the production efficiency of cyclohexene formic acid but also increase the production cost. For this reason, we provide a cyclohexene formic acid distillation and filtration device to solve the above problems. Summary of the Utility Model

[0004] (I) Technical Problems to be Solved

[0005] Aiming at the deficiencies of the prior art, the utility model provides a cyclohexene formic acid distillation and filtration device, which solves the problem that the existing cyclohexene formic acid distillation equipment cannot dry the distilled cyclohexene formic acid vapor.

[0006] (II) Technical Solutions

[0007] To achieve the above purpose, the utility model provides the following technical solutions: A cyclohexene formic acid distillation and filtration device includes a distillation tank. A motor is fixedly installed in the middle of the top of the distillation tank. A stirring mechanism is arranged in the inner cavity of the distillation tank. A filter tank is fixedly sleeved on the top of the outer ring of the distillation tank. A filter ring is arranged in the inner cavity of the filter tank. A water absorption sleeve is sleeved on the outer ring of the filter ring. A heating tank is arranged between the inner and outer rings of the distillation tank. A heat exchange coil is arranged in the inner cavity of the heating tank.

[0008] Preferably, the stirring mechanism includes a stirring shaft. The bottom of the stirring shaft is rotatably connected to the bottom of the inner wall of the distillation tank. The top of the stirring shaft penetrates through the top of the inner wall of the distillation tank and is fixedly connected to the output shaft of the motor. A plurality of stirring blades are evenly arranged on the outer ring of the stirring shaft.

[0009] Preferably, the top and the inner ring of the filtering tank are both open. A tank cover is arranged on the top of the filtering tank, and the back surface of the tank cover is hinged to the back surface of the filtering tank through a hinge.

[0010] Preferably, the filtering ring is in a hollow state. A plurality of through holes are evenly formed in the outer wall of the filtering ring. An inlet pipe is connected to the air inlet of the filtering ring. The air inlet of the inlet pipe penetrates through the front surface of the distillation tank. An outlet pipe is connected to the air outlet of the filtering ring. The air outlet of the outlet pipe penetrates through the front surface of the inner wall of the filtering tank.

[0011] Preferably, a liquid inlet pipe is connected to the liquid inlet of the heat exchange coiled pipe. The liquid inlet of the liquid inlet pipe penetrates through the front surface of the inner wall of the heating tank. A liquid outlet pipe is connected to the liquid outlet of the heat exchange coiled pipe. The liquid outlet of the liquid outlet pipe penetrates through the back surface of the inner wall of the heating tank.

[0012] Preferably, a tank plug is connected through the left side of the top of the distillation tank, and legs are arranged at the four corners of the bottom of the distillation tank.

[0013] Preferably, a waste discharge pipe is connected through the bottom of the left side of the distillation tank, and a control valve is arranged at the top of the waste discharge pipe.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the present utility model has the following beneficial effects:

[0016] 1. When the device is distilling, the cyclohexene formic acid vapor can rise to the upper part of the inner cavity of the distillation tank and enter the filtering ring through the inlet pipe. The cyclohexene formic acid vapor can pass through the through holes and fully contact with the water absorption sleeve. The water absorption sleeve can absorb the water vapor therein to dry it. In this way, the water vapor in the cyclohexene formic acid vapor can be removed while distilling, which can not only improve the production efficiency of cyclohexene formic acid, but also reduce its production cost.

[0017] 2. When the device is distilling, the motor can drive the stirring blades to rotate rapidly through the stirring shaft. The stirring blades can continuously stir the cyclohexene formic acid mixed solution. In this way, the mixed solution can be heated evenly to accelerate the distillation speed of cyclohexene formic acid. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is the overall structural schematic diagram of the present utility model;

[0019] Figure 2 is the structural schematic diagram of the distillation tank and its upper components of the present utility model;

[0020] Figure 3 is the structural schematic diagram of the filtering tank and its internal components of the present utility model;

[0021] Figure 4Schematic diagram of the connection structure of the filter ring and the water absorption sleeve of the present utility model;

[0022] Figure 5 Schematic diagram of the structure of the filter ring of the present utility model;

[0023] Figure 6 For the present utility model Figure 4 Enlarged view of part A in

[0024] In the attached drawings, the list of components represented by each reference numeral is as follows:

[0025] 1. Distillation tank; 11. Heating tank; 2. Motor; 3. Stirring mechanism; 31. Stirring shaft; 32. Stirring blade; 4. Filter ring; 41. Through hole; 42. Intake pipe; 43. Exhaust pipe; 5. Water absorption sleeve; 6. Heat exchange coil; 61. Liquid inlet pipe; 62. Liquid outlet pipe; 7. Tank plug; 8. Leg; 9. Waste discharge pipe; 91. Control valve; 10. Filter tank; 101. Tank cover. Specific implementation mode

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the attached drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.

[0027] As Figures 1-6 shown, the present utility model provides a technical solution: a cyclohexene formic acid distillation and filtration device, including a distillation tank 1, a motor 2 is fixedly installed in the middle of the top of the distillation tank 1, a stirring mechanism 3 is arranged in the inner cavity of the distillation tank 1, a filter tank 10 is fixedly sleeved on the top of the outer ring of the distillation tank 1, a filter ring 4 is arranged in the inner cavity of the filter tank 10, a water absorption sleeve 5 is sleeved outside the filter ring 4, the water absorption sleeve 5 is made of absorbent cotton, a heating tank 11 is opened between the inner and outer rings of the distillation tank 1, and a heat exchange coil 6 is arranged in the inner cavity of the heating tank 11.

[0028] Among them, a tank plug 7 is connected through the left side of the top of the distillation tank 1, legs 8 are arranged at the four corners of the bottom of the distillation tank 1. During distillation, the tank plug 7 is pulled out, and then the cyclohexene formic acid mixture is poured into the distillation tank 1, and then the tank plug 7 is plugged back into the distillation tank 1 to seal the distillation tank 1.

[0029] Among them, the liquid inlet of the heat exchange coil 6 is connected to a liquid inlet pipe 61. The liquid inlet of the liquid inlet pipe 61 penetrates through the front surface of the inner wall of the heating tank 11. The liquid outlet of the heat exchange coil 6 is connected to a liquid outlet pipe 62. The liquid outlet of the liquid outlet pipe 62 penetrates through the back surface of the inner wall of the heating tank 11. During distillation, the heat-conducting oil in the boiler is discharged into the heat exchange coil 6 through the liquid inlet pipe 61 and then discharged back into the boiler through the liquid outlet pipe 62. During this process, the heat-conducting oil can heat the cyclohexene formic acid mixture in the distillation tank 1, causing the cyclohexene formic acid therein to vaporize.

[0030] Further, the stirring mechanism 3 includes a stirring shaft 31. The bottom of the stirring shaft 31 is rotatably connected to the bottom of the inner wall of the distillation tank 1. The top of the stirring shaft 31 penetrates through the top of the inner wall of the distillation tank 1 and is fixedly connected to the output shaft of the motor 2. A plurality of stirring blades 32 are uniformly arranged on the outer ring of the stirring shaft 31. During distillation, when the motor 2 is turned on, its output shaft can drive the stirring blades 32 to rotate rapidly through the stirring shaft 31. The stirring blades 32 can continuously stir the cyclohexene formic acid mixture, so that the mixture can be heated evenly, thereby accelerating the distillation speed of cyclohexene formic acid.

[0031] Among them, the filter ring 4 is in a hollow state. A plurality of through holes 41 are uniformly formed on the outer wall of the filter ring 4. The air inlet of the filter ring 4 is connected to an air inlet pipe 42. The air inlet of the air inlet pipe 42 penetrates through the front surface of the distillation tank 1. The air outlet of the filter ring 4 is connected to an air outlet pipe 43. The air outlet of the air outlet pipe 43 penetrates through the front surface of the inner wall of the filter tank 10. During distillation, the cyclohexene formic acid vapor can rise to the upper part of the inner cavity of the distillation tank 1 and enter the filter ring 4 through the air inlet pipe 42. The cyclohexene formic acid vapor can pass through the through holes 41 and come into full contact with the water absorption sleeve 5. The water absorption sleeve 5 can absorb the water vapor therein to dry it. In this way, the water vapor in the cyclohexene formic acid vapor can be removed while distillation, which can not only accelerate the production efficiency of cyclohexene formic acid but also reduce its production cost. The dried cyclohexene formic acid vapor can be discharged through the air outlet pipe 43 to the condensation device for cooling to obtain liquid cyclohexene formic acid.

[0032] Further, the top and inner ring of the filter tank 10 are both open. A tank cover 101 is arranged on the top of the filter tank 10. The back surface of the tank cover 101 is hinged to the back surface of the filter tank 10 through a hinge. After the water absorption sleeve 5 fails, the tank cover 101 can be opened, and the water absorption sleeve 5 can be pulled out from the filter ring 4, and then a new water absorption sleeve 5 can be sleeved on the filter ring 4 to maintain the normal use of the water absorption sleeve 5.

[0033] Among them, the bottom on the left side of the distillation tank 1 is connected through a waste discharge pipe 9. A control valve 91 is arranged on the top of the waste discharge pipe 9. After distillation, the control valve 91 can be opened to discharge the remaining waste liquid in the distillation tank 1 through the waste discharge pipe 9.

[0034] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variation thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising said element.

[0035] Although embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present utility model, and the scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A cyclohexene formic acid distillation and filtration device, comprising a distillation tank (1), characterized in that: In the middle of the top of the distillation tank (1), a motor (2) is fixedly installed. Inside the cavity of the distillation tank (1), a stirring mechanism (3) is provided. At the top of the outer ring of the distillation tank (1), a filter tank (10) is fixedly sleeved. Inside the cavity of the filter tank (10), a filter ring (4) is provided. An absorbent sleeve (5) is sleeved outside the filter ring (4). A heating tank (11) is formed between the inner and outer rings of the distillation tank (1). Inside the heating tank (11), a heat exchange coil pipe (6) is provided.

2. The cyclohexene formic acid distillation and filtration device according to claim 1, characterized in that: The stirring mechanism (3) includes a stirring shaft (31). The bottom of the stirring shaft (31) is rotatably connected to the bottom of the inner wall of the distillation tank (1). The top of the stirring shaft (31) penetrates through the top of the inner wall of the distillation tank (1) and is fixedly connected to the output shaft of the motor (2). A plurality of stirring blades (32) are evenly arranged on the outer ring of the stirring shaft (31).

3. The cyclohexene formic acid distillation and filtration device according to claim 1, wherein: The top and the inner ring of the filter tank (10) are both open. At the top of the filter tank (10), a tank cover (101) is provided. The back of the tank cover (101) is hinged to the back of the filter tank (10) through a hinge.

4. A cyclohexene formic acid distillation and filtration device according to claim 1, characterized in that: The filter ring (4) is in a hollow state. A plurality of through holes (41) are evenly formed in the outer wall of the filter ring (4). The air inlet of the filter ring (4) is connected to an air inlet pipe (42). The air inlet of the air inlet pipe (42) penetrates through the front of the distillation tank (1). The air outlet of the filter ring (4) is connected to an air outlet pipe (43). The air outlet of the air outlet pipe (43) penetrates through the front of the inner wall of the filter tank (10).

5. A cyclohexene formic acid distillation and filtration device according to claim 1, characterized in that: The liquid inlet of the heat exchange coil pipe (6) is connected to a liquid inlet pipe (61). The liquid inlet of the liquid inlet pipe (61) penetrates through the front of the inner wall of the heating tank (11). The liquid outlet of the heat exchange coil pipe (6) is connected to a liquid outlet pipe (62). The liquid outlet of the liquid outlet pipe (62) penetrates through the back of the inner wall of the heating tank (11).

6. The cyclohexene formic acid distillation and filtration device according to claim 1, characterized in that: On the left side of the top of the distillation tank (1), a tank plug (7) is penetrated and connected. At the four corners of the bottom of the distillation tank (1), legs (8) are provided.

7. A cyclohexeneformic acid distillation and filtration device according to claim 1, characterized in that: On the bottom left side of the distillation tank (1), a waste discharge pipe (9) is penetrated and connected. A control valve (91) is provided at the top of the waste discharge pipe (9).

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