Solvent recovery device for industrial preparative chromatography

Abstract

The utility model discloses a solvent recovery device for industrial preparative chromatography, and belongs to the field of industrial preparative chromatography. The solvent recovery device for the industrial preparative chromatography comprises an evaporation tank, an ingress pipe fixedly arranged at the top of the evaporation tank, a bracket fixedly arranged at the bottom of the evaporation tank, and a discharge pipe fixedly arranged at the bottom of the evaporation tank and communicated with the evaporation tank, the heater is arranged at the side position of the evaporation tank and is used for heating the interior of the evaporation tank; the mounting box is fixedly arranged at the bottom of the bracket; the heater comprises a mounting frame which is fixedly mounted at the bottom of the heater and is fixedly connected with the top of the mounting box, and a transmission pipe which is fixedly arranged on one side, close to the evaporation tank, of the heater and is used for transmitting heat; according to the solvent recovery device for the industrial preparative chromatography, the solvent for the industrial preparative chromatography is reasonably recycled by arranging the evaporation tank, the filter box, the elution box and the drying assembly, and pollution to the environment due to direct emission is avoided.

Description

Technical Field

[0001] The utility model relates to the field of industrial preparative chromatography, and specifically relates to a solvent recovery device for industrial preparative chromatography. Background Technique

[0002] Industrial preparative chromatography refers to the process of separating and purifying a mixture to obtain a target substance by using chromatography technology during the industrial production process. During the process of separating and purifying the mixture, a recovery device is required to effectively recover the waste liquid solvent generated during the chromatographic analysis or preparation process.

[0003] However, most of the traditional waste liquid solvent recovery devices for liquid chromatography are only used to recover wastewater, and do not timely treat the waste liquid solvent, which easily leads to the accumulation of harmful substances and causes environmental pollution during discharge. At the same time, it is also difficult to quickly extract the useful components in the waste liquid solvent, which is not conducive to the recycling of resources.

[0004] Therefore, the utility model provides a solvent recovery device for industrial preparative chromatography to solve the above problems. Content of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] The utility model provides a solvent recovery device for industrial preparative chromatography, aiming to solve the problems in the background technique that most of the existing waste liquid solvent recovery devices are only used to recover wastewater, do not timely treat the waste liquid solvent, easily lead to the accumulation of harmful substances, cause environmental pollution during discharge, and are also difficult to quickly extract the useful components in the waste liquid solvent, which is not conducive to the recycling of resources.

[0007] (2) Technical Solutions

[0008] To achieve the above object, the present utility model provides the following technical solutions: A solvent recovery device for industrial preparative chromatography, comprising an evaporation tank, an inlet pipe fixedly arranged at the top of the evaporation tank, a bracket fixedly arranged at the bottom of the evaporation tank, a discharge pipe fixedly arranged at the bottom of the evaporation tank and communicating with the evaporation tank, a heater arranged on the side of the evaporation tank for heating the inside of the evaporation tank, and an installation box fixedly arranged at the bottom of the bracket; During use, in order to avoid that most of the existing waste liquid solvent recovery devices are only used to recover wastewater, and do not timely treat the waste liquid solvent, which easily leads to the accumulation of harmful substances and causes environmental pollution during discharge. At the same time, it is also difficult to quickly extract the useful components in the waste liquid solvent, which is not conducive to the recycling of resources. The waste liquid generated by industrial preparative chromatography can be first introduced into the evaporation tank along the inlet pipe. At this time, by turning on the heater, the heat is transmitted along the transmission pipe and the connecting pipe to the inside of the spiral heating pipe, so as to evaporate the waste liquid inside the evaporation tank. The harmful substances after evaporation are discharged through the bottom discharge pipe and enter the installation box for subsequent adsorption and elution treatment.

[0009] In order to achieve reasonable heating of the substances inside the evaporation tank; the heater includes an installation frame fixedly installed at the bottom of the heater and fixedly connected to the top of the installation box, a transmission pipe fixedly arranged on the side of the heater close to the evaporation tank for transmitting heat, a connecting pipe fixedly arranged on the side of the transmission pipe far from the heater and communicating with the transmission pipe, a spiral heating pipe arranged inside the evaporation tank and fixedly connected to the connecting pipe, and a transmission component fixedly arranged at the position on the side of the transmission pipe close to the connecting pipe for quickly transmitting hot air; By using the heater in cooperation with the transmission pipe to transmit heat into the evaporation tank, reasonable evaporation can be achieved.

[0010] Preferably, in order to achieve rapid heat transmission; the transmission component includes a fixing plate fixedly arranged inside the transmission pipe, a rotating shaft fixedly installed on the side of the fixing plate close to the connecting pipe, a rotating fan blade rotatably arranged outside the rotating shaft, a connecting plate fixedly arranged on the side of the rotating fan blade far from the heater, and an external fan blade fixedly arranged on the connecting plate and sleeving outside the transmission pipe for transmitting heat; By using the transmission component to clamp and transmit heat, when the heat is transmitted, the rotating fan blade is driven to rotate along the rotating shaft, so as to realize the conversion and transmission of the heat inside the transmission pipe. During the rotation of the rotating fan blade, the connecting plate is driven to rotate, and then the external fan blade is driven to rotate, thereby achieving reasonable transmission of the heat entering the connecting pipe, and further achieving rapid transmission of the heat to the spiral heating pipe to realize reasonable evaporation.

[0011] Preferably, in order to achieve reasonable filtration and adsorption of harmful substances after evaporation; the installation box includes a filter box fixedly arranged at the bottom of the bracket and communicated with the discharge pipe, and an elution box fixedly arranged at the bottom of the installation frame. A communication pipe is arranged between the filter box and the elution box; it can be discharged into the filter box through the discharge pipe for adsorption, and after adsorption, it enters the elution box for elution and drying.

[0012] Preferably, in order to achieve reasonable elution; activated carbon for adsorption and filtration is placed inside the filter box, and a feeding port and a feeding pipe are respectively fixedly arranged at the bottom and the top of the elution box; the eluent can be introduced into the elution box along the feeding pipe, so that it reacts chemically with the harmful substances after adsorption, and the compound is adsorbed and extracted.

[0013] Preferably, in order to achieve rapid drying of the eluted substance; a drying component for drying the eluted impurities is arranged on one side of the elution box away from the filter box; it can be achieved by using the drying component.

[0014] Preferably, in order to achieve reasonable drying; the drying component includes a drying fan arranged on one side of the interior of the elution box away from the filter box, and a servo motor fixedly arranged at the side of the elution box for driving the drying fan to rotate; after elution, in order to, the servo motor can be used to drive the drying fan to rotate, so as to achieve the effect of drying and extraction. Finally, the treated compound is discharged along the bottom feeding port for recycling.

[0015] (III) Beneficial effects

[0016] The solvent recovery device for industrial preparation chromatography realizes reasonable recovery and utilization of the solvent for industrial preparation chromatography by setting an evaporation tank, a filter box, an elution box and a drying component, and avoids environmental pollution caused by direct discharge. Description of the drawings

[0017] Figure 1 It is a three-dimensional structure schematic diagram of a solvent recovery device for industrial preparation chromatography;

[0018] Figure 2 It is a sectional structure schematic diagram of a solvent recovery device for industrial preparation chromatography;

[0019] Figure 3 It is a schematic diagram of the transmission component structure of a solvent recovery device for industrial preparation chromatography;

[0020] Figure 4 It is an enlarged view of part A of a solvent recovery device for industrial preparation chromatography.

[0021] In the figure:

[0022] 1. Evaporation tank;

[0023] 11. Inlet pipe; 12. Bracket; 13. Discharge pipe;

[0024] 2. Heater;

[0025] 21. Mounting frame; 22. Transfer pipe; 23. Connecting pipe; 24. Spiral heating pipe;

[0026] 25. Transfer assembly; 251. Rotating fan blade; 2511. Connecting plate; 252. External fan blade; 253. Rotating shaft;

[0027] 3. Installation box; 31. Filter box; 32. Elution box; 321. Feeding port; 322. Feed pipe;

[0028] 323. Drying assembly; 3231. Drying fan; 3232. Servo motor;

[0029] 33. Connecting pipe. Detailed implementation manner

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0031] The present invention provides a solvent recovery device for industrial preparation chromatography, as Figures 1-4 shown. The solvent recovery device for industrial preparation chromatography includes an evaporation tank 1, an inlet pipe 11 fixedly arranged at the top of the evaporation tank 1, a bracket 12 fixedly arranged at the bottom of the evaporation tank 1, a discharge pipe 13 fixedly arranged at the bottom of the evaporation tank 1 and communicating with the evaporation tank 1, a heater 2 arranged on the side of the evaporation tank 1 for heating the inside of the evaporation tank 1, and an installation box 3 fixedly arranged at the bottom of the bracket 12. The heater 2 includes a mounting frame 21 fixedly installed at the bottom of the heater 2 and fixedly connected to the top of the installation box 3, a transfer pipe 22 fixedly arranged on the side of the heater 2 close to the evaporation tank 1 for transferring heat, a connecting pipe 23 fixedly arranged on the side of the transfer pipe 22 far from the heater 2 and communicating with the transfer pipe 22, a spiral heating pipe 24 arranged inside the evaporation tank 1 and fixedly connected to the connecting pipe 23, and a transfer assembly 25 fixedly arranged at a position on the side of the transfer pipe 22 close to the connecting pipe 23 for quickly transferring hot air.

[0032] In use, in order to avoid the situation that most of the existing waste liquid solvent recovery devices are only used to recover wastewater, without timely treating the waste liquid solvent, which easily leads to the accumulation of harmful substances and causes environmental pollution during discharge. At the same time, it is also difficult to quickly extract the useful components from the waste liquid solvent, which is not conducive to the recovery and utilization of resources. The waste liquid generated by industrial preparative chromatography can be first introduced into the evaporation tank 1 along the inlet pipe 11. At this time, by turning on the heater 2, the heat is transmitted along the transmission pipe 22 and the connecting pipe 23 to the inside of the spiral heating pipe 24, so as to evaporate the waste liquid inside the evaporation tank 1. The evaporated harmful substances are discharged through the bottom discharge pipe 13 and enter the installation box 3 for subsequent adsorption and elution treatment.

[0033] Specifically, the transmission component 25 includes a fixing plate fixedly arranged inside the transmission pipe 22, a rotating shaft 253 fixedly installed on one side of the fixing plate close to the connecting pipe 23, a rotating fan blade 251 rotatably arranged outside the rotating shaft 253, a connecting plate 2511 fixedly arranged on the side of the rotating fan blade 251 away from the heater 2, and an external fan blade 252 fixedly arranged on the connecting plate 2511 and sleeved outside the transmission pipe 22 for heat transmission; in order to achieve rapid heat transmission, the transmission component 25 can be used to clamp and transmit heat. During heat transmission, the rotating fan blade 251 is driven to rotate along the rotating shaft 253, so as to realize the conversion and transmission of heat inside the transmission pipe 22. During the rotation of the rotating fan blade 251, the connecting plate 2511 is driven to rotate, and then the external fan blade 252 is driven to rotate, thereby achieving reasonable transmission of the heat entering the connecting pipe 23, and then rapidly transmitting the heat to the spiral heating pipe 24 to realize reasonable evaporation.

[0034] Among them, in order to achieve reasonable filtration and adsorption of the evaporated harmful substances; the installation box 3 includes a filter box 31 fixedly arranged at the bottom of the bracket 12 and communicated with the discharge pipe 13, and an elution box 32 fixedly arranged at the bottom position of the installation frame 21. A communication pipe 33 is arranged between the filter box 31 and the elution box 32; it can be discharged into the filter box 31 through the discharge pipe 13 for adsorption, and then enter the elution box 32 for elution and drying after adsorption.

[0035] Furthermore, activated carbon for adsorption and filtration is placed inside the filter box 31. A material discharging port 321 and a feed pipe 322 are respectively fixedly arranged at the bottom and the top of the elution box 32. A drying component 323 for drying and eluting impurities is arranged on one side of the elution box 32 away from the filter box 31; in order to achieve reasonable elution, the eluent can be introduced into the elution box 32 along the feed pipe 322, so that it reacts chemically with the adsorbed harmful substances to extract and adsorb the compounds.

[0036] Furthermore, the drying component 323 includes a drying fan 3231 disposed on one side of the inside of the elution box 32 away from the filter box 31, and a servo motor 3232 fixedly disposed at the side position of the elution box 32 for driving the drying fan 3231 to rotate; in order to achieve reasonable drying after elution, the servo motor 3232 can be used to drive the drying fan 3231 to rotate, thereby achieving the effect of drying and extraction. Finally, the processed compound is discharged along the bottom discharge port 321 for recycling.

[0037] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes, should be covered within the protection scope of the present invention.

Claims

1. A solvent recovery device for industrial preparative chromatography, characterized in that: It includes an evaporation tank (1), an inlet pipe (11) fixedly arranged at the top of the evaporation tank (1), a bracket (12) fixedly arranged at the bottom of the evaporation tank (1), a discharge pipe (13) fixedly arranged at the bottom of the evaporation tank (1) and communicating with the evaporation tank (1), a heater (2) arranged at the side position of the evaporation tank (1) for heating the inside of the evaporation tank (1), and a mounting box (3) fixedly arranged at the bottom of the bracket (12); The heater (2) includes a mounting frame (21) fixedly installed at the bottom of the heater (2) and fixedly connected to the top of the mounting box (3), a heat transfer pipe (22) fixedly arranged on the side of the heater (2) close to the evaporation tank (1) for transferring heat, a connecting pipe (23) fixedly arranged on the side of the heat transfer pipe (22) far from the heater (2) and communicating with the heat transfer pipe (22), a spiral heating pipe (24) arranged inside the evaporation tank (1) and fixedly connected to the connecting pipe (23), and a transfer component (25) fixedly arranged at the position on the side of the heat transfer pipe (22) close to the connecting pipe (23) for quickly transferring hot air.

2. The solvent recovery device for industrial preparative chromatography according to claim 1, characterized in that: The transfer component (25) includes a fixing plate fixedly arranged inside the heat transfer pipe (22), a rotating shaft (253) fixedly installed on the side of the fixing plate close to the connecting pipe (23), a rotating fan blade (251) rotatably arranged outside the rotating shaft (253), a connecting plate (2511) fixedly arranged on the side of the rotating fan blade (251) far from the heater (2), and an external fan blade (252) fixedly arranged on the connecting plate (2511) and sleeved outside the heat transfer pipe (22) for transferring heat.

3. The solvent recovery device for industrial preparative chromatography according to claim 1, wherein: The mounting box (3) includes a filter box (31) fixedly arranged at the bottom of the bracket (12) and communicating with the discharge pipe (13), and an elution box (32) fixedly arranged at the bottom position of the mounting frame (21). A communicating pipe (33) is arranged between the filter box (31) and the elution box (32).

4. The solvent recovery device for industrial preparative chromatography according to claim 3, wherein: Activated carbon for adsorption and filtration is provided inside the filter box (31). A discharge port (321) and a feed pipe (322) are respectively fixedly arranged at the bottom and the top of the elution box (32).

5. The solvent recovery device for industrial preparative chromatography according to claim 4, wherein: A drying component (323) for drying and eluting impurities is arranged on the side of the elution box (32) far from the filter box (31).

6. The solvent recovery device for industrial preparative chromatography according to claim 5, wherein: The drying component (323) includes a drying fan (3231) arranged on the side of the elution box (32) far from the filter box (31) inside the elution box (32), and a servo motor (3232) fixedly arranged at the side position of the elution box (32) for driving the drying fan (3231) to rotate.

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