CN213853114U - Separation and recovery device for organic solvent - Google Patents
Separation and recovery device for organic solvent Download PDFInfo
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- CN213853114U CN213853114U CN202022326252.7U CN202022326252U CN213853114U CN 213853114 U CN213853114 U CN 213853114U CN 202022326252 U CN202022326252 U CN 202022326252U CN 213853114 U CN213853114 U CN 213853114U
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Abstract
The utility model particularly relates to a separation and recovery device of organic solvent, which comprises a mounting rack, wherein a gas-liquid separation tank is arranged on the mounting rack, a material outlet pipe is arranged at the upper end of the gas-liquid separation tank, a discharging glass viewing cup is arranged on the material outlet pipe, a condensation calandria is wound around the material outlet pipe which is positioned at the inner end of the gas-liquid separation tank, the bottom port of the condensation calandria is connected with a refrigerant outlet pipe, and the upper port of the condensation calandria is connected with a refrigerant inlet pipe, the utility model utilizes steam as a heat source to realize the separation and recovery of the organic solvent in the solution, and the device is easy to realize the separation with water and has high separation degree, can separate the organic solvent to the maximum extent, improves the purity and the recovery rate of the recovered organic solvent, improves the solvent recovery rate from below 80 percent to above 97 percent, and, can directly discharge atmosphere, and the utility model discloses simple structure, low cost, environmental protection safety.
Description
Technical Field
The utility model belongs to the technical field of macromolecular material, concretely relates to organic solvent's separation recovery unit.
Background
In the field of pharmaceutical chemistry, organic solvents (including water) are used in large quantities in organic synthesis reaction processes and in processes for the separation and purification of intermediates and final products. Moreover, the organic solvents are many in kind and large in amount. For thermosensitive materials, after the reaction or post-treatment process (mainly extraction, crystallization and separation) is finished, the organic solvent is separated from the main product or by-product by means of reduced pressure distillation, the solvent is recovered and reused continuously, or the solvent is recycled after being rectified and qualified, and at present, the methods for removing and recovering the organic solvent in solution polymerization mainly comprise a natural drying method, a direct heating distillation method and the like. The natural drying method is simple and extensive, and causes serious environmental pollution although the cost is low; the heating evaporation condensation recovery method, namely directly heating the solvent mixture to promote the evaporation of organic solvent vapor and condensation recovery, has a plurality of uncontrollable factors such as distillation speed and temperature, can cause bumping or explosion, simultaneously enables distillation to be more easily carried into unseparated impurities, influences the purity of solvent recovery, and can promote the thermal degradation of polymers due to overhigh heating temperature.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an organic solvent's separation recovery unit to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a separation and recovery device for organic solvents comprises a mounting frame, wherein a gas-liquid separation tank is arranged on the mounting frame, a material outlet pipe is arranged at the upper end of the gas-liquid separation tank, a discharge glass viewing cup is arranged on the material outlet pipe, a digital thermometer is arranged on one side of the material outlet pipe, the material outlet pipe penetrates and extends into the gas-liquid separation tank, a condensation calandria is wound around the periphery of the inner end of the gas-liquid separation tank, the bottom port of the condensation calandria is connected with a refrigerant outlet pipe, the upper port of the condensation calandria is connected with a refrigerant inlet pipe, one end of the refrigerant outlet pipe and one end of the refrigerant inlet pipe penetrate and extend to two sides of the outer top end of the gas-liquid separation tank, the refrigerant outlet pipe and the refrigerant inlet pipe are respectively connected with a first refrigerant connecting pipe and a second refrigerant connecting pipe, and the bottom end of the gas-liquid separation tank is communicated with a discharge pipe opening, and the discharge pipe orifice is connected with a control valve.
As a further optimization of the technical scheme, a liquid pump is installed on a bottom plate horizontally arranged between the mounting frames, an input end of the liquid pump is communicated with a discharge pipe orifice arranged on the gas-liquid separation tank through a connecting pipe, and an output end of the liquid pump is communicated with a liquid storage tank through a conveying pipeline.
As the further optimization of this technical scheme, the mounting bracket left side is equipped with the backup pad and installs reation kettle, reation kettle's left side end is equipped with steam generator through the connecting tube intercommunication, and installs the relief valve on the connecting tube, the vacuum pump is installed through the bracing piece in the steam generator upper end, the vacuum pump is the design of liquid ring type vacuum pump, the vacuum pump passes through the delivery outlet intercommunication of pipeline with steam generator, the first refrigerant connecting pipe intercommunication of intercommunication on the output of vacuum pump and the refrigerant import pipe.
As the further optimization of the technical scheme, the upper end of the bottom plate arranged on the right side wall of the mounting frame is provided with the gas storage tank, the top end of the gas storage tank is communicated with the second refrigerant connecting pipe communicated with the refrigerant outlet pipe fan, and the second refrigerant connecting pipe is communicated with the single-stage vacuum pump.
As a further optimization of the technical scheme, a material inlet pipe is communicated with the left side of the gas-liquid separation tank, a feeding glass viewing cup is mounted on the material inlet pipe, and the feeding glass viewing cup and the discharging glass viewing cup are designed to be of a transparent structure type.
The utility model discloses a technological effect and advantage: the device for separating and recovering the organic solvent is characterized in that a steam generator is connected with a reaction kettle, a steam heat source for providing temperature for the reaction kettle is facilitated, a pressure reducing valve is opened, steam is introduced into a solution in the reaction kettle through a connecting pipe, the solution in the reaction kettle is heated, an organic solvent in the solution is volatilized, after the organic solvent gas and the steam are mixed, the mixed gas is pumped out through an arranged vacuum pump and is conveyed into a condensation exhaust pipe through a first refrigerant connecting pipe, heat exchange is carried out through a cold medium circulating in an arranged refrigerant inlet pipe, the steam in the condensation exhaust pipe is condensed into water, then a control valve arranged on an opening of the discharge pipe is opened, liquid in a gas-liquid separation tank is pumped out into a liquid storage tank through an arranged liquid pump, then the temperature of the organic solvent gas in the condensation exhaust pipe is reduced, the arranged single-stage refrigerant vacuum pump is conveyed into a gas storage tank through an outlet pipe and a second refrigerant connecting pipe, the utility model realizes the recycling of organic solvent, the discharging glass visual cup and the feeding glass visual cup arranged on the material outlet pipe and the material inlet pipe are transparent structural design, and the monitoring of whether liquid is contained in the discharging and feeding is realized, thereby monitoring the operation condition of the equipment at the current level, and the cyclone separation structural design of the condensation calandria can ensure that all gaseous materials of which the liquid is separated can enter the first refrigerant connecting pipe to be discharged after the gaseous materials are fully condensed through the condensation calandria, thereby realizing the effect of fully condensing and cooling the mixed gas by the condensation calandria, the utility model utilizes steam as a heat source, realizes the separation and recycling of the organic solvent in the solution, ensures that the device is easy to realize the separation from water and has high separation degree, can furthest separate the organic solvent, improves the purity and the recycling rate of the organic solvent, and improves the solvent recycling rate from below 80 percent to more than 97 percent, reach the tail gas that discharges out and do not have obvious smell, can directly discharge the atmosphere, just the utility model discloses simple structure, low cost, environmental protection safety.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the gas-liquid separation tank of the present invention.
In the figure: 1. a mounting frame; 2. a gas-liquid separation tank; 3. a material outlet pipe; 4. discharging a glass viewing cup; 5. A digital thermometer; 6. a condensation calandria; 7. a refrigerant inlet pipe; 8. a refrigerant outlet pipe; 9. a discharging pipe orifice; 10. a control valve; 11. a liquid pump; 12. a liquid storage tank; 13. a gas storage tank; 14. a single stage vacuum pump; 15. A reaction kettle; 16. a steam generator; 17. a pressure reducing valve; 18. a first refrigerant connecting pipe; 19. a vacuum pump; 20. a material inlet pipe; 21. feeding a glass visual cup; 22. the second refrigerant connecting pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a separation recovery unit of organic solvent, includes mounting bracket 1, its characterized in that: a gas-liquid separation tank 2 is arranged on the mounting frame 1, a material outlet pipe 3 is arranged at the upper end of the gas-liquid separation tank 2, a discharge glass sight cup 4 is arranged on the material outlet pipe 3, a digital thermometer 5 is arranged at one side of the material outlet pipe 3, the material outlet pipe 3 penetrates and extends into the gas-liquid separation tank 2, a material inlet pipe 20 is communicated with the left side of the gas-liquid separation tank 2, a feed glass sight cup 21 is arranged on the material inlet pipe 20, and feeding glass sight cup 21 and ejection of compact glass sight cup 4 are the design of transparent structure type, material outlet pipe 3 is located 2 inside ends of gas-liquid separation jar and is surrounded by condensation calandria 6, the bottom port of condensation calandria 6 is connected with refrigerant outlet pipe 8, the upper portion port of condensation calandria 6 is connected with refrigerant import pipe 7, refrigerant outlet pipe 8 runs through the outside top both sides that extend to gas-liquid separation jar 2 with the one end of refrigerant import pipe 7, be convenient for to solvent side transmission output.
The refrigerant outlet pipe 8 and the refrigerant inlet pipe 7 are respectively connected with a first refrigerant connecting pipe 18 and a second refrigerant connecting pipe 22, the left side of the mounting frame 1 is provided with a support plate which is provided with a reaction kettle 15, the left side end of the reaction kettle 15 is communicated with a steam generator 16 through a connecting pipe, the connecting pipe is provided with a pressure reducing valve 17, the upper end of the steam generator 16 is provided with a vacuum pump 19 through a support rod, the vacuum pump 19 is designed as a liquid ring vacuum pump, the vacuum pump 19 is communicated with an output port of the steam generator 16 through a pipeline, the output end of the vacuum pump 19 is communicated with the first refrigerant connecting pipe 18 communicated with the refrigerant inlet pipe 7, the upper end of a bottom plate arranged on the right side wall of the mounting frame 1 is provided with a gas storage tank 13, the top end of the gas storage tank 13 is communicated with the second refrigerant connecting pipe 22 communicated with the refrigerant outlet pipe 8, the second refrigerant connecting pipe 22 is communicated with a single-stage vacuum pump 14, the bottom end of the gas-liquid separation tank 2 is communicated with a discharge pipe opening 9, be connected with control valve 10 on the blowing mouth of pipe 9, install drawing liquid pump 11 on the bottom plate that the level was equipped with between mounting bracket 1, drawing liquid pump 11's input passes through the blowing mouth of pipe 9 intercommunication setting of establishing on connecting pipe and the gas-liquid separation jar 2, and drawing liquid pump 11's output is provided with liquid reserve tank 12 through the pipeline intercommunication, is convenient for deposit the liquid of solvent separation.
Specifically, when in use, the steam generator 16 is connected with the reaction kettle 15 to provide a steam heat source with temperature for the reaction kettle 15, the pressure reducing valve 17 is opened to enable steam to be introduced into the solution in the reaction kettle 15 through the connecting pipe, then the solution in the reaction kettle 15 is heated to enable the organic solvent in the solution to volatilize, after the organic solvent gas and the steam mixed gas are mixed, the mixed gas is pumped out through the arranged vacuum pump 19 and is conveyed into the condensation exhaust pipe 6 through the first refrigerant connecting pipe 18, heat exchange is carried out through the circulating cold medium in the arranged refrigerant inlet pipe 7 to enable the steam in the condensation exhaust pipe 6 to be condensed into water, then the control valve 10 arranged on the discharge pipe opening 10 is opened, the liquid in the gas-liquid separation tank is pumped out into the liquid storage tank 12 through the arranged liquid pump 11, then the temperature of the organic solvent gas in the condensation exhaust pipe 6 is reduced, the single-stage vacuum pump 14 that sets up transmits to gas holder 13 in through refrigerant outlet pipe 8 and second refrigerant connecting pipe 22, realize organic solvent's recycle, ejection of compact glass sight cup 4 through setting up on material outlet pipe 3 and the material import pipe 20, feeding glass sight cup 21 is transparent structural design, play and keep watch on whether contain liquid in ejection of compact and the feeding, with this operation situation of monitoring this level of equipment, cyclone separation structural design through condensation calandria 6, can guarantee to have separated out the gaseous state material of liquid and all fully realize the condensation back through condensation calandria 6, just can get into first refrigerant connecting pipe 22 and discharge, thereby realize the effect of condensation calandria 6 to the abundant condensation cooling of gas mixture.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides a separation recovery unit of organic solvent, includes mounting bracket (1), its characterized in that: be equipped with gas-liquid separation jar (2) on mounting bracket (1), the upper end of gas-liquid separation jar (2) is equipped with material outlet pipe (3), be equipped with ejection of compact glass view cup (4) on material outlet pipe (3), one side of material outlet pipe (3) is equipped with digital thermometer (5), material outlet pipe (3) are run through and are extended to inside gas-liquid separation jar (2), material outlet pipe (3) are located gas-liquid separation jar (2) inside end a week around there being condensation calandria (6), the bottom port of condensation calandria (6) is connected with refrigerant outlet pipe (8), the upper portion port of condensation calandria (6) is connected with refrigerant import pipe (7), refrigerant outlet pipe (8) and the one end of refrigerant import pipe (7) run through and extend to the outside top both sides of gas-liquid separation jar (2), and be connected with first refrigerant connecting pipe (18) respectively on refrigerant outlet pipe (8) and the refrigerant import pipe (7), And the bottom end of the gas-liquid separation tank (2) is communicated with a discharge pipe orifice (9), and the discharge pipe orifice (9) is connected with a control valve (10).
2. The apparatus for separating and recovering an organic solvent according to claim 1, wherein: install drawing liquid pump (11) on the bottom plate that the level was equipped with between mounting bracket (1), the input of drawing liquid pump (11) is through blowing mouth of pipe (9) intercommunication setting that establish on connecting pipe and the gas-liquid separation jar (2), the output of drawing liquid pump (11) is provided with liquid reserve tank (12) through the pipeline intercommunication.
3. The apparatus for separating and recovering an organic solvent according to claim 1, wherein: mounting bracket (1) left side is equipped with backup pad installation reation kettle (15), the left side end of reation kettle (15) is equipped with steam generator (16) through the connecting tube intercommunication, and installs relief valve (17) on the connecting tube, vacuum pump (19) are installed through the bracing piece in steam generator (16) upper end, vacuum pump (19) are the design of liquid ring type vacuum pump, vacuum pump (19) pass through the delivery outlet intercommunication of pipeline with steam generator (16), the first refrigerant connecting pipe (18) intercommunication of intercommunication on the output of vacuum pump (19) and the import pipe refrigerant (7).
4. The apparatus for separating and recovering an organic solvent according to claim 1, wherein: the bottom plate upper end that is equipped with on the right side wall of mounting bracket (1) is equipped with gas holder (13), the second refrigerant connecting pipe (22) intercommunication setting of the top and refrigerant outlet pipe (8) fan intercommunication of gas holder (13), and the intercommunication has single-stage vacuum pump (14) on second refrigerant connecting pipe (22).
5. The apparatus for separating and recovering an organic solvent according to claim 1, wherein: the left side of the gas-liquid separation tank (2) is communicated with a material inlet pipe (20), a feeding glass viewing cup (21) is installed on the material inlet pipe (20), and the feeding glass viewing cup (21) and the discharging glass viewing cup (4) are designed to be of a transparent structure type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022326252.7U CN213853114U (en) | 2020-10-19 | 2020-10-19 | Separation and recovery device for organic solvent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022326252.7U CN213853114U (en) | 2020-10-19 | 2020-10-19 | Separation and recovery device for organic solvent |
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| Publication Number | Publication Date |
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| CN213853114U true CN213853114U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022326252.7U Active CN213853114U (en) | 2020-10-19 | 2020-10-19 | Separation and recovery device for organic solvent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113559812A (en) * | 2021-08-25 | 2021-10-29 | 福建永荣科技有限公司 | Device and method for treating hydrogenation tail gas |
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2020
- 2020-10-19 CN CN202022326252.7U patent/CN213853114U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113559812A (en) * | 2021-08-25 | 2021-10-29 | 福建永荣科技有限公司 | Device and method for treating hydrogenation tail gas |
| CN113559812B (en) * | 2021-08-25 | 2022-09-16 | 福建永荣科技有限公司 | Device and method for treating hydrogenation tail gas |
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