CN201419030Y - Totally-enclosed recycling device for low-boiling point solvent - Google Patents
Totally-enclosed recycling device for low-boiling point solvent Download PDFInfo
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- CN201419030Y CN201419030Y CN200920046579XU CN200920046579U CN201419030Y CN 201419030 Y CN201419030 Y CN 201419030Y CN 200920046579X U CN200920046579X U CN 200920046579XU CN 200920046579 U CN200920046579 U CN 200920046579U CN 201419030 Y CN201419030 Y CN 201419030Y
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- condenser
- still
- boiling point
- solvent
- distillation
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Abstract
The utility model discloses a totally-enclosed recycling device for low-boiling point solvent, which belongs to the technical field of chemical equipment. The totally-enclosed recycling device is provided with a washing tank, a washing tank condenser, a solvent intermediate storage tank, a distillation tank, a distillation tank condenser, a solvent storage tank and a cut-off valve, a circulating pump, a liquidometer, a visual system, a moisture on-line detection system and the like; and pipeline connections are respectively arranged between the washing tank and the washing tank condenser, between the washing tank condenser and the solvent intermediate storage tank, between the solvent intermediate storage tank and the distillation tank and between the solvent intermediate storage tank andthe solvent storage tank, between the distillation tank and the distillation tank condenser, between the distillation tank condenser and the solvent storage tank, between the solvent storage tank andthe distillation tank. The totally-enclosed recycling device for low-boiling point solvent has reasonable structure, easy production and installation and low cost, and utilizes the characteristic of low boiling point of the low-boiling point solvent under the totally-enclosed system, has convenient operation, high degree of automation and high utilization rate of solvent recycling, and has safetyand reliability as the low-boiling point solvent can not be leaked to the air.
Description
Technical field
The utility model relates to a kind of totally-enclosed low boiling point solvent recycle device.In utilizing the Chemical Manufacture of low boiling point solvent, solid product and low boiling point solvent to be separated, and low boiling point solvent is recycled to storage tank, recycling device belongs to technical field of chemical.
Background technology
In the Chemical Manufacture of high molecular polymerization, more is to adopt lower boiling solvent as carrier, makes fierce polymerisation carry out in liquid phase.But, be in the problem of carrying out being faced when reactant is handled than multiple enterprises how with solvent and reactants separate.In addition, the volatile character of lower boiling solvent causes certain potential safety hazard easily when carrying out manual distillation procedure.
Summary of the invention
The purpose of this utility model is exactly the deficiency that exists at above-mentioned prior art, and a kind of totally-enclosed low boiling point solvent recycle device is provided.
The purpose of this utility model is to realize like this, totally-enclosed low boiling point solvent recycle device, it is characterized in that being provided with washing still, washing still condenser, solvated mesophase storage tank, distillation still, distillation still condenser, solvent feed tank, between washing still 1 and the washing still condenser 2, wash between still condenser 2 and the solvated mesophase storage tank 3, between solvated mesophase storage tank 3 and distillation still 4 and the solvent feed tank 6, between distillation still 4 and the distillation still condenser 5, between distillation still condenser 5 and the solvent feed tank 6, be respectively equipped with pipeline between solvent feed tank 6 and the distillation still 4 and be connected; Be respectively equipped with stop valve in the connecting line of washing still 1 and washing still condenser 2 and in the connecting line of distillation still 4 and distillation still condenser 5, the bottom of washing still condenser and distillation still condenser 5 is respectively equipped with visible system; Solvated mesophase storage tank 3 is respectively equipped with liquid level gauge and moisture on-line detection system with solvent feed tank 6; Be provided with circulating pump 7 in solvent feed tank 6 connection distillation stills 4 pipelines.
Said washing still is provided with magnetic stirring apparatus, pressure transmitter, thermal resistance temperature sensor, be respectively equipped with electric control valve in the heating steam pipeline of washing still with in the recirculated cooling water pipeline, electric control valve in electric control valve in the steam pipe line and thermal resistance temperature sensor, the recirculated cooling water pipeline and pressure transmitter, thermal resistance temperature sensor adopt interlock control apparatus respectively, and stop valve and pressure transmitter in the connecting line of washing still 1 and washing still condenser 2 adopt interlock control apparatus.
Said washing still condenser 2 is a trumpet cooler, and the bottom is provided with visible system.
Said low boiling point solvent hold-up vessel 3 has chuck, and discharge header pipe is provided with the moisture on-line detection system.
Said distillation still 4 is provided with magnetic stirring apparatus, pH value on-line monitoring instrument, pressure transmitter, thermal resistance temperature sensor and two measuring pumps, be respectively equipped with electric control valve in the heating steam pipeline of distillation still 4 He in the recirculated cooling water pipeline, electric control valve in the steam pipe line and thermal resistance temperature sensor adopt interlock control apparatus, electric control valve in the recirculated cooling water pipeline and pressure transmitter, thermal resistance temperature sensor adopt interlock control apparatus, and stop valve and pressure transmitter in the pipeline of giving vent to anger of connection distillation still condenser are provided with interlock control apparatus.
Said distillation still condenser 5 is a trumpet cooler, is provided with admission line and discharging pipeline.
Said low boiling point solvent storage tank 6 is horizontal, is provided with cooling coil in the storage tank, and feeding line is provided with the moisture on-line detection system.
The utility model is rational in infrastructure, manufacture to install easily, and cost is low, use easy to operate, solvent recovery utilization rate height.Under the totally enclosed situation of system, utilize the low-boiling characteristics of low boiling point solvent, utilize steam that still is heated to uniform temperature, start stirring, the gas that volatilizes is recycled to the low boiling point solvent hold-up vessel through condenser, and constantly monitor water content, the pH value of solvent, the qualified low boiling point solvent storage tank that enters defectively distills again, and on-line monitoring is regulated pH value.The automaticity height.Low boiling point solvent can not leak in the air and go, and is safe and reliable.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation that washing still of the present utility model is connected with washing still condenser;
Fig. 3 is the structural representation that solvated mesophase storage tank of the present utility model is connected with distillation still;
Fig. 4 is the structural representation that distillation still condenser of the present utility model is connected with solvent feed tank;
Among the figure: 1 washing still, 2 washing still condensers, 3 solvated mesophase storage tanks, 4 distillation stills, 5 distillation still condensers, 6 solvent feed tanks, 7 circulating pumps, 8 measuring pumps, 9 visible systems, 10 measuring pumps, 11 magnetic stirring apparatuses, 12 still internal pressure transmitters, thermal resistance temperature sensor in 13 stills, 14 chuck Pressure gauges, 15 chuck thermal resistance temperature sensors, 16 electric control valves, 17 electric control valves, 19 stop valves, 20 moisture on-line detection systems, 21 liquid level gauges, 22 still internal pressure transmitters, thermal resistance temperature sensor in 23 stills, 24 chuck Pressure gauges, 25 chuck thermal resistance temperature sensors, 26PH value on-line monitoring instrument, 27 electric control valves, 28 electric control valves, 29 stop valves, 30 moisture on-line detection systems, 31 liquid level gauges.
The specific embodiment
To wash still 1 respectively adopts pipeline to be connected with solvent feed tank 6, solvent feed tank 6 with distillation still 4 with distillation still condenser 5, distillation still condenser 5 with solvent feed tank 6, distillation still 4 with distillation still 4 with solvated mesophase storage tank 3, solvated mesophase storage tank 3 with washing still condenser 2, washing still condenser 2.In the connecting line of washing still 1 and washing still condenser 2 and in the connecting line of distillation still 4 and distillation still condenser 5 stop valve is set respectively, the bottom of washing still condenser and distillation still condenser 5 is respectively equipped with visible system 9.Solvated mesophase storage tank 3 is installed liquid level gauge and moisture on-line detection system respectively with solvent feed tank 6.In solvent feed tank 6 connection distillation stills 4 pipelines circulating pump 7 is set.
Washing still 1 band magnetic stirring apparatus, and be with semi-circular double plate pipe clamp cover, heat medium is the steam of 0.3Mpa, goes out under the steam employing is enterprising.Cooling medium adopts recirculated water, goes out on advancing under recirculated cooling water adopts.Washing still 1 is provided with feeding line 101, discharging pipeline 102, water charge line 103, the pipeline 104 of giving vent to anger, thermal resistance temperature sensor 13 in the still internal pressure transmitter 12, still, chuck Pressure gauge 14, chuck thermal resistance temperature sensor 15.Adopt electric control valve 16 controls on the steam, and with still in thermal resistance temperature sensor 13 adopt interlock control apparatus.Recirculated cooling water adopts electric control valve 17 controls, and with still internal pressure transmitter 12, still in thermal resistance temperature sensor 13 adopt interlock control apparatus.The pipeline 104 usefulness stop valves 19 of giving vent to anger are connected on the washing still condenser, and stop valve and still internal pressure transmitter 12 adopt interlock control apparatus.Washing still 1 adopts the 60mm rock wool heat-preservation.
Washing still condenser 2 adopts trumpet cooler, and the refrigerant medium adopts-5 ℃ (20% glycol water), goes out on advancing under refrigerant adopts.Washing still condenser 2 is provided with admission line 201, discharging pipeline 202.Visible system 9 is installed in washing still condenser 2 bottoms, so that observe.Washing still condenser 2 adopts the thick polystyrene cold insulation of 50mm, and liquid line adopts the thick polystyrene cold insulation of 50mm.
Low boiling point solvent hold-up vessel 3 strap clamp covers, the refrigerant medium adopts-5 ℃ (20% glycol water).Low boiling point solvent hold-up vessel 3 is provided with feeding line 301, and discharging pipeline 302 advances distillation still 5, and discharging pipeline 303 advances low boiling point solvent storage tank 6, and pacifies moisture on-line detection system 20 on discharge header pipe.Low boiling point solvent hold-up vessel 3 is installed liquid level gauges 21, and with the thick polystyrene cold insulation of 50mm.
Distillation still 4 has magnetic stirring apparatus 11, and is with semi-circular double plate pipe clamp cover, and heat medium is the steam of 0.3Mpa, goes out under the steam employing is enterprising; Cooling medium adopts recirculated water, goes out on advancing under recirculated cooling water adopts.Distillation still 4 is established feeding line 401 respectively, the pipeline 402 of giving vent to anger, water charge line 403, add thermal resistance temperature sensor 23, chuck Pressure gauge 24, chuck thermal resistance temperature sensor 25 in the soda acid pipeline 404, blowdown pipeline 405, still internal pressure transmitter 22, still.PH value on-line monitoring instrument 26 is installed on the distillation still, is adopted electric control valve 27 controls on the steam, and with still in thermal resistance temperature sensor 23 adopt interlock control apparatus.Recirculated cooling water adopts electric control valve 28 controls, and with still internal pressure transmitter 22, still in thermal resistance temperature sensor 23 adopt interlock control apparatus.The pipeline 402 of giving vent to anger is provided with stop valve 29 and is connected on the distillation still condenser, and stop valve and still internal pressure transmitter 22 adopt interlock control apparatus.Distillation still 4 is provided with the 60mm rock wool heat-preservation.
Distillation still condenser 5 adopts trumpet cooler, and the refrigerant medium adopts-5 ℃ (20% glycol water), goes out on advancing under refrigerant adopts.Distillation still condenser 5 has admission line 501, discharging pipeline 502.Visible system 9 is installed in washing still condenser 2 bottoms, so that observe.Distillation still condenser 5 adopts the thick polystyrene cold insulation of 50mm, the liquid line thick polystyrene cold insulation of 50mm.
Low boiling point solvent storage tank 6 is horizontal, adopts the cooling of still inner coil pipe, and the refrigerant medium adopts-5 ℃ (20% glycol water).Low boiling point solvent storage tank 6 has feeding line 601, feeding line 602, blowdown pipeline 603, material pipeloop 604, and on feeding line 601 moisture on-line detection system 30 is installed.The low boiling point solvent storage tank is installed liquid level gauge 31, and with the thick polystyrene cold insulation of 50mm.
Above-mentioned circulating pump adopts horizontal magnetic pump, and measuring pump adopts diaphragm metering pump, and visible system adopts straight-through visor, and liquid level gauge adopts magnetic turnover panel liquid level gauge, and stop valve adopts the air bladder valve.
This device adds the thermal recovery Steam Heating, and steam inlet adopts electric control valve, with the temperature in the kettle interlocking, controls to adjust the valve opening size by temperature in the kettle, as temperature too high have to be evaporated cause distillation impure.The recirculated water cooling is adopted in cooling, and circulating water intake adopts electric control valve, with the temperature in the kettle interlocking, controls to adjust the valve opening size by temperature in the kettle.The still pressure sensor is interlocked with recirculated water control valve, still discharging stop valve simultaneously, when reaching certain pressure in still, opens the stop valve discharging, and is too high as the still internal pressure, and then the aperture of ON cycle water regulating valve reduces temperature in the kettle.Still includes water quantity monitoring and adopts moisture on-line detection system, PH monitoring pH value on-line detecting system, regulates pH value, adopts measuring pump quantitatively to regulate (can start respectively and add sour pump or add alkali pump).All temperature, pressure, control valve opening, stop valve unlatching, pH value on-line monitoring parameter, moisture on-line detected parameters show on the DCS control system that all circulating pump, measuring pump also have remote control, needn't Artificial Control, and the automaticity height.System is totally-enclosed, avoids producing environmental pollution.
Claims (7)
1, a kind of totally-enclosed low boiling point solvent recycle device, it is characterized in that being provided with washing still, washing still condenser, solvated mesophase storage tank, distillation still, distillation still condenser, solvent feed tank, between washing still and the washing still condenser, wash between still condenser and the solvated mesophase storage tank, between solvated mesophase storage tank and distillation still and the solvent feed tank, between distillation still and the distillation still condenser, between distillation still condenser and the solvent feed tank, be respectively equipped with pipeline between solvent feed tank and the distillation still and be connected; Be respectively equipped with stop valve in the connecting line of washing still and washing still condenser and in the connecting line of distillation still and distillation still condenser, the bottom of washing still condenser and distillation still condenser is respectively equipped with visible system; Solvated mesophase storage tank and solvent feed tank are respectively equipped with liquid level gauge and moisture on-line detection system; Be provided with circulating pump in the solvent feed tank connection distillation still pipeline.
2, totally-enclosed low boiling point solvent recycle device according to claim 1, it is characterized in that said washing still is provided with magnetic stirring apparatus, pressure transmitter, thermal resistance temperature sensor, be respectively equipped with electric control valve in the heating steam pipeline of washing still with in the recirculated cooling water pipeline, electric control valve in the steam pipe line and thermal resistance temperature sensor, electric control valve in the recirculated cooling water pipeline and pressure transmitter, thermal resistance temperature sensor adopts interlock control apparatus respectively, and stop valve and pressure transmitter in the connecting line of washing still and washing still condenser adopt interlock control apparatus.
3, totally-enclosed low boiling point solvent recycle device according to claim 1 is characterized in that said washing still condenser is a trumpet cooler, and the bottom is provided with visible system.
4, totally-enclosed low boiling point solvent recycle device according to claim 1 is characterized in that said low boiling point solvent hold-up vessel has chuck, and discharge header pipe is provided with the moisture on-line detection system.
5, totally-enclosed low boiling point solvent recycle device according to claim 1, it is characterized in that said distillation still is provided with magnetic stirring apparatus, pH value on-line monitoring instrument, pressure transmitter, thermal resistance temperature sensor and two measuring pumps, be respectively equipped with electric control valve in the heating steam pipeline of distillation still He in the recirculated cooling water pipeline, electric control valve in the steam pipe line and thermal resistance temperature sensor adopt interlock control apparatus, electric control valve in the recirculated cooling water pipeline and pressure transmitter, thermal resistance temperature sensor adopts interlock control apparatus, and stop valve and pressure transmitter in the pipeline of giving vent to anger of connection distillation still condenser are provided with interlock control apparatus.
6, totally-enclosed low boiling point solvent recycle device according to claim 1 is characterized in that said distillation still condenser is a trumpet cooler, is provided with admission line and discharging pipeline.
7, totally-enclosed low boiling point solvent recycle device according to claim 1 is characterized in that said low boiling point solvent storage tank is horizontal, is provided with cooling coil in the storage tank, and feeding line is provided with the moisture on-line detection system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920046579XU CN201419030Y (en) | 2009-06-12 | 2009-06-12 | Totally-enclosed recycling device for low-boiling point solvent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920046579XU CN201419030Y (en) | 2009-06-12 | 2009-06-12 | Totally-enclosed recycling device for low-boiling point solvent |
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| Publication Number | Publication Date |
|---|---|
| CN201419030Y true CN201419030Y (en) | 2010-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920046579XU Expired - Fee Related CN201419030Y (en) | 2009-06-12 | 2009-06-12 | Totally-enclosed recycling device for low-boiling point solvent |
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| CN (1) | CN201419030Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103611327A (en) * | 2013-12-16 | 2014-03-05 | 张家庭 | Temperature-control separation tower and separation method |
-
2009
- 2009-06-12 CN CN200920046579XU patent/CN201419030Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103611327A (en) * | 2013-12-16 | 2014-03-05 | 张家庭 | Temperature-control separation tower and separation method |
| CN103611327B (en) * | 2013-12-16 | 2016-01-20 | 张家庭 | Controlling temp type knockout tower and separation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100310 Termination date: 20150612 |
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| EXPY | Termination of patent right or utility model |