CN213994879U - Three-function fractionating device - Google Patents
Three-function fractionating device Download PDFInfo
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- CN213994879U CN213994879U CN202021275791.6U CN202021275791U CN213994879U CN 213994879 U CN213994879 U CN 213994879U CN 202021275791 U CN202021275791 U CN 202021275791U CN 213994879 U CN213994879 U CN 213994879U
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Abstract
The utility model relates to a fine chemistry industry field provides a three function fractionating device for a fractionating device that the integrated level is high is provided. The utility model provides a three-function fractionating device, which comprises a fractionating kettle, a first-stage fractionating mechanism, a second-stage fractionating mechanism and a third-stage fractionating mechanism, wherein the first-stage fractionating mechanism is used for improving the distillation yield, the second-stage fractionating mechanism is used for separating and purifying heat-sensitive materials, the third-stage fractionating mechanism is used for separating materials which are difficult to separate, and the fractionating kettle is connected with a heater; the primary fractionating mechanism and the secondary fractionating mechanism are connected with a fractionating kettle; the second-stage fractionation mechanism comprises a low-packing tower, the bottom of the low-packing tower is connected with a fractionation kettle, and the heater is connected with the fractionation kettle; the three-stage fractionating mechanism comprises a high packed tower which is connected with a low packed tower. The integration level is high; the investment is reduced.
Description
Technical Field
The utility model relates to a fine chemistry industry field, concretely relates to three function fractionation device.
Background
The currently common fractionating system designs the height of the packing of the fractionating tower according to the characteristics of the products of separation and purification, and only has the function of separating the products with one separation characteristic.
The original fractionation system is single in applicable product, does not have the materials with few packing theoretical plates which are suitable for the requirement, is suitable for the separation of the materials with high separation difficulty and high packing theoretical plates, and can not meet the treatment of the materials with quick dehydration, decoloration and small loss. The use is limited, if the corresponding function is required, the requirement can be met only by three sets of equipment, and thus, the investment cost is increased by times.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem for provide a fractionating device that the integrated level is high, provide a three function fractionating device.
In order to solve the technical problem, the utility model provides a technical scheme does:
the heat supply of the three-function fractionating device comprises a fractionating kettle, a first-stage fractionating mechanism, a second-stage fractionating mechanism and a third-stage fractionating mechanism, wherein the first-stage fractionating mechanism is used for improving the distillation yield, the second-stage fractionating mechanism is used for separating and purifying heat-sensitive materials, the third-stage fractionating mechanism is used for separating materials which are difficult to separate, and the fractionating kettle is connected with a heater;
the primary fractionating mechanism and the secondary fractionating mechanism are connected with a fractionating kettle; the second-stage fractionation mechanism comprises a low-packing tower, the bottom of the low-packing tower is connected with a fractionation kettle, and the heater is connected with the fractionation kettle; the three-stage fractionating mechanism comprises a high packed tower which is connected with a low packed tower.
A plurality of fractionation mechanisms are integrated on the fractionating kettle, and different fractionation requirements can be met.
Different types of materials can be fractionated, and the investment cost is low.
Preferably, the first-stage fractionation mechanism comprises a flash condenser, the flash condenser is connected with the fractionation kettle, and a condensation medium is arranged in a condensation component of the flash condenser. After the materials are heated and evaporated, the materials directly enter a condensation cooling pipeline system without other condensation equipment, and the dehydration, decolorization and impurity removal of the materials and the rapid full evaporation of high-boiling-point back-distilled materials of a simple distillation system are completed, so that the recovery rate is improved; can meet various simple distillation requirements, can also greatly reduce energy consumption, avoid the detention of materials on a packed tower and improve the distillation yield.
Preferably, the bottom of the heater is provided with a heater inlet, the heater inlet is connected with the fractionating kettle, the heater outlet is connected with a circulating pump, and the circulating pump is connected with the fractionating kettle; the heater comprises an inner container and a heating layer, the inlet of the heater is connected with the inner container, and the outlet of the heater is connected with the inner container. Can be used for separating heat-sensitive materials.
Preferably, the low-packed tower and the high-packed tower comprise at least one packing layer, and the packing layer is internally provided with packing.
Preferably, the top and/or bottom of at least one of said layers of packing is connected to a reflux ratio control mechanism.
Preferably, the top of the low packed tower is connected with a low tower condenser, the low tower condenser comprises an inner container and a condensing assembly, and a condensing medium is arranged in the condensing assembly. Designing the height of the packing of the lower section of the tower according to the theoretical plate number of the separated thermosensitive materials, and designing a reflux operation control system on the height of the packing of the lower section; when the materials are separated, the materials are heated by the heater to rise, are separated by the lower section of tower packing, enter the low tower condensing and cooling and reflux ratio control device through the steam raising pipe at the side of the tower, and are fractionated according to the process conditions of the separated materials, so that the separation and purification of the materials can be effectively finished.
Preferably, the low tower condenser is connected with the reflux ratio control mechanism, and the inlet of the low tower condenser is connected with the outlet of the reflux ratio control mechanism.
Preferably, the top of the high packed tower is connected with a condensing cooler, the joint of the packing layer close to the condensing cooler and the next packing layer is connected with an outlet of a reflux ratio control mechanism, and an inlet of the condensing cooler is connected with the high packed tower; and a condensing component of the condensing cooler is internally provided with a condensing medium. The height of the filler (in the fractionating kettle) at the lower section of the heat-sensitive material and the easily separated material section is added with the newly increased height of the filler; the upper part of the whole tower packing is provided with a condensing cooler and a reflux ratio control device, and the fractionation operation is carried out according to the technological parameters.
Preferably, still include high vacuum mechanism, high vacuum mechanism with one-level fractionation mechanism second grade fractionation mechanism, tertiary fractionation mechanism connect, high vacuum mechanism includes condensation buffer tank and vacuum unit, the condensation buffer tank is connected with the vacuum unit, one-level, second grade, tertiary fractionation mechanism are connected with the condensation buffer tank. Can complete the high vacuum separation and purification of the original set of packing with the same height.
Preferably, the first-stage fractionating mechanism is connected with the distillate receiving mechanism, the second-stage fractionating mechanism is connected with the distillate receiving mechanism, and the third-stage fractionating mechanism is connected with the distillate receiving mechanism; the distillate receiving mechanism comprises a liquid storage tank, an observation window and a sampling port, wherein the observation window is arranged on a pipeline at the inlet of the liquid storage tank, and the sampling port is arranged between the observation window and the liquid storage tank.
Compared with the prior art, the utility model discloses the beneficial effect who has does: the formation degree is high; the investment is reduced.
Drawings
FIG. 1 is a schematic diagram of a three-function fractionation apparatus.
FIG. 2 is another schematic diagram of a three-function fractionation apparatus.
Detailed Description
The following examples are further illustrative of the present invention and are not intended to be limiting thereof.
Example 1
A three-function fractionating device comprises a fractionating kettle 1, a first-stage fractionating mechanism 2, a second-stage fractionating mechanism and a third-stage fractionating mechanism, wherein the first-stage fractionating mechanism 2 is used for improving the distillation yield, the second-stage fractionating mechanism is used for separating and purifying, the third-stage fractionating mechanism is used for separating materials which are difficult to separate, and the fractionating kettle 1 is connected with a heater 31;
the primary fractionating mechanism 2 and the secondary fractionating mechanism are connected with the fractionating kettle 1; the second-stage fractionation mechanism comprises a low-packing tower and a packing layer 321, wherein packing is arranged in the packing layer, and the bottom of the low-packing tower is connected with a fractionation kettle 1. The first-stage fractionation mechanism 2 comprises a flash condenser 21, an inlet 211 of the flash condenser 21 is connected with the fractionating kettle 1, and a condensing medium is arranged in a condensing assembly of the flash condenser 21. The bottom of the heater 31 is provided with a heater inlet, the heater inlet is connected with the fractionating kettle 1, the heater outlet is connected with the circulating pump 11, and the circulating pump 11 is connected with the fractionating kettle 1; the heater 31 includes inner bag and zone of heating, the zone of heating import is connected with the inner bag, the heater export leads to the inner bag and connects. The high-packing tower comprises 2 packing layers 322 and 323, and packing is arranged in the packing layers. The top of the packing layer 321 is connected with the reflux ratio control mechanism 34 through the low tower condenser 35, the bottom of the packing layer 322 is connected with the reflux ratio control mechanism 34, the top of the packing layer 323 is connected with the reflux ratio control mechanism 36, and the bottom of the packing layer 323 is connected with the reflux ratio control mechanism 36. The packing layer 321 close to the bottom of the low packing tower is connected with the lower tower condenser 35 at the joint of the last packing layer 322, the lower tower condenser 35 comprises a liner and a condensation assembly, and a condensation medium is arranged in the condensation assembly. The low tower condenser 35 is connected to the reflux ratio control mechanism 34, and an inlet of the low tower condenser 35 is connected to an outlet of the reflux ratio control mechanism 34. The top of the packing layer 323 of the high packed tower is connected with a condensing cooler 33, the joint of the packing layer 323 close to the condensing cooler 33 and the next packing layer 322 is connected with the outlet of a reflux ratio control mechanism 36, and the inlet of the condensing cooler is connected with a packed tower 32; a condensing medium is provided in the cooling unit of the condensing cooler 33. The inlet 352 of the low column condenser 35 is connected to the bottom of the high packed column.
The one-level fractionation mechanism is used for improving the distillation yield, and after the materials are heated and evaporated, the materials directly enter a flash evaporation condenser without filler, and the materials are dehydrated, decolorized, purified and distilled quickly and completely out after high boiling point, so that the recovery rate is improved.
The second-stage fractionation mechanism is used for separating heat-sensitive materials, the packing height of the lower-section tower is designed according to the theoretical plate number of the separated heat-sensitive materials, and a reflux operation control system is designed on the packing height of the lower-section tower. When the materials are separated, the materials are heated by the heater to rise, are separated by the lower section of tower packing, enter the low tower condenser and the reflux ratio control device through the steam raising pipe on the side of the tower, and are fractionated according to the process conditions of the separated materials, so that the separation and purification of the materials can be effectively finished.
The three-stage fractionating mechanism is used for fractionating materials which are difficult to separate, and the packing height is designed according to the theoretical plate number of the materials to be separated, wherein the packing height comprises the packing height of a low packing tower and the height of a newly added packing (in a high packing tower). The upper part of the whole tower packing is provided with a condensing cooler and a reflux ratio control device, and the fractionation operation is carried out according to the technological parameters, so that the original high vacuum separation and purification of a set of packing with the same height can be completed
Example 2
A three-function fractionating device comprises a fractionating kettle 1, a first-stage fractionating mechanism 2, a second-stage fractionating mechanism and a third-stage fractionating mechanism, wherein the first-stage fractionating mechanism 2 is used for improving the distillation yield, the second-stage fractionating mechanism is used for separating and purifying, the third-stage fractionating mechanism is used for separating materials which are difficult to separate, and the fractionating kettle 1 is connected with a heater 31;
the primary fractionating mechanism 2 and the secondary fractionating mechanism are connected with the fractionating kettle 1; the second-stage fractionation mechanism comprises a low-packing tower and a packing layer 321, wherein packing is arranged in the packing layer, and the bottom of the low-packing tower is connected with a fractionation kettle 1. The first-stage fractionation mechanism 2 comprises a flash condenser 21, the flash condenser 21 is connected with the fractionation kettle 1, and a condensing medium is arranged in a condensing assembly of the flash condenser 21. The bottom of the heater 31 is provided with a heater inlet, the heater inlet is connected with the fractionating kettle 1, the heater outlet is connected with the circulating pump 11, and the circulating pump 11 is connected with the fractionating kettle 1; the heater 31 includes inner bag and zone of heating, the zone of heating import is connected with the inner bag, the heater export leads to the inner bag and connects. The high-packing tower comprises 2 packing layers 322 and 323, and packing is arranged in the packing layers. The top of the packing layer 321 is connected with the reflux ratio control mechanism 34 through the low tower condenser 35, the bottom of the packing layer 322 is connected with the reflux ratio control mechanism 34, the top of the packing layer 323 is connected with the reflux ratio control mechanism 36, and the bottom of the packing layer 323 is connected with the reflux ratio control mechanism 36. The packing layer 321 close to the bottom of the low packing tower is connected with the lower tower condenser 35 at the joint of the last packing layer 322, the lower tower condenser 35 comprises a liner and a condensation assembly, and a condensation medium is arranged in the condensation assembly. The low tower condenser 35 is connected to the reflux ratio control mechanism 34, and an inlet of the low tower condenser 35 is connected to an outlet of the reflux ratio control mechanism 34. The top of the packing layer 323 of the high packed tower is connected with a condensing cooler 33, the joint of the packing layer 323 close to the condensing cooler 33 and the next packing layer 322 is connected with the outlet of a reflux ratio control mechanism 36, and the inlet of the condensing cooler is connected with a packed tower 32; a condensing medium is provided in the cooling unit of the condensing cooler 33. The high-vacuum fractionation device further comprises a high-vacuum mechanism 5, wherein the high-vacuum mechanism 5 is connected with one outlet of the flash evaporation condenser 21 in the first-stage fractionation mechanism 2, one outlet 351 of the low tower condenser of the second-stage fractionation mechanism and one outlet 332 of the condensation cooler, the high-vacuum mechanism 5 comprises a condensation buffer tank 51 and a vacuum unit 52, the condensation buffer tank 51 is connected with the vacuum unit 52, and the first-stage 1 and second-stage fractionation mechanisms are connected with the condensation buffer tank 51. An outlet 213 of the flash condenser of the first-stage fractionation unit 1 is connected to a distillate receiver 4, an outlet 351 of the low-column condenser 35 of the second-stage fractionation unit, an outlet of the reflux ratio control units 34 and 36, and an outlet 332 of the condenser cooler of the third-stage fractionation unit are connected to the distillate receiver 4; the distillate receiving mechanism 4 comprises a liquid storage tank 44, an observation window 42 and a sampling port 43, wherein the observation window 42 is arranged on a pipeline at the inlet of the liquid storage tank 44, the sampling port 43 is arranged between the observation window 42 and the liquid storage tank 44, and the liquid storage tank 44 is connected with a negative pressure pump 41. The condenser further comprises a condensing medium circulating mechanism 6, wherein the condensing medium circulating mechanism is connected with an inlet 214 and an outlet 212 of a condensing assembly of the flash condenser 21, the condensing medium circulating mechanism is connected with an inlet 354 and an outlet 353 of a condensing assembly of the low tower condenser 35, and the condensing medium circulating mechanism is connected with an inlet 331 and an outlet 333 of a condensing assembly of the condensing cooler 33.
The above detailed description is specific to possible embodiments of the present invention, and the above embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention should be included within the scope of the present invention.
Claims (10)
1. A three-function fractionating device is characterized by comprising a fractionating kettle, a first-stage fractionating mechanism, a second-stage fractionating mechanism and a third-stage fractionating mechanism, wherein the first-stage fractionating mechanism is used for improving the distillation yield, the second-stage fractionating mechanism is used for separating and purifying heat-sensitive materials, the third-stage fractionating mechanism is used for separating materials which are difficult to separate, and the fractionating kettle is connected with a heater;
the primary fractionating mechanism and the secondary fractionating mechanism are connected with a fractionating kettle; the secondary fractionating mechanism comprises a low-packing tower, and the bottom of the low-packing tower is connected with a fractionating kettle; the three-stage fractionating mechanism comprises a high packed tower which is connected with a low packed tower.
2. The three-function fractionating apparatus according to claim 1, wherein the primary fractionating unit comprises a flash condenser connected to the fractionating still, and a condensing medium is disposed in a condensing unit of the flash condenser.
3. The three-function fractionating apparatus according to claim 1, wherein a heater inlet is provided at a bottom of the heater, the heater inlet is connected to the fractionating pot, the heater outlet is connected to a circulating pump, and the circulating pump is connected to the fractionating pot; the heater comprises an inner container and a heating layer, the inlet of the heater is connected with the inner container, and the outlet of the heater is connected with the inner container.
4. A three function fractionation apparatus according to claim 1, wherein the low packed column and the high packed column comprise not less than one packing layer with packing disposed therein.
5. A three-function fractionator apparatus according to claim 4 wherein the top and/or bottom of at least one of said packing layers is connected to a reflux ratio control means.
6. The apparatus of claim 1 wherein the lower packed column is connected at the top to a lower column condenser, the lower column condenser comprising a liner and a condensing assembly, the condensing assembly having a condensing medium disposed therein.
7. A three function fractionation apparatus according to claim 6 wherein said low column condenser is connected to a reflux ratio control mechanism and an inlet of said low column condenser is connected to an outlet of said reflux ratio control mechanism.
8. The three-function fractionating apparatus according to claim 1, wherein the top of said high-packed column is connected to a condensate cooler, the portion of the packing layer adjacent to said condensate cooler connected to the next packing layer is connected to the outlet of the reflux ratio control means, and the inlet of said condensate cooler is connected to said high-packed column; and a condensing component of the condensing cooler is internally provided with a condensing medium.
9. The three-function fractionating apparatus according to claim 1, further comprising a high vacuum mechanism, wherein the high vacuum mechanism is connected to the first fractionating mechanism, the second fractionating mechanism and the third fractionating mechanism, the high vacuum mechanism comprises a condensation buffer tank and a vacuum unit, the condensation buffer tank is connected to the vacuum unit, and the first fractionating mechanism, the second fractionating mechanism and the third fractionating mechanism are connected to the condensation buffer tank.
10. The three-function fractionating apparatus according to claim 1, wherein said primary fractionating means is connected to a distillate receiving means, said secondary fractionating means is connected to a distillate receiving means, and said tertiary fractionating means is connected to a distillate receiving means; the distillate receiving mechanism comprises a liquid storage tank, an observation window and a sampling port, wherein the observation window is arranged on a pipeline at the inlet of the liquid storage tank, and the sampling port is arranged between the observation window and the liquid storage tank.
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|---|---|---|---|
| CN202021275791.6U CN213994879U (en) | 2020-07-03 | 2020-07-03 | Three-function fractionating device |
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| CN202021275791.6U CN213994879U (en) | 2020-07-03 | 2020-07-03 | Three-function fractionating device |
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| CN213994879U true CN213994879U (en) | 2021-08-20 |
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