CN205258347U - Mix phenol rectification system - Google Patents
Mix phenol rectification system Download PDFInfo
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- CN205258347U CN205258347U CN201521067693.2U CN201521067693U CN205258347U CN 205258347 U CN205258347 U CN 205258347U CN 201521067693 U CN201521067693 U CN 201521067693U CN 205258347 U CN205258347 U CN 205258347U
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- magnetic valve
- rectification system
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Abstract
The utility model provides a mix phenol rectification system, including the raw materials storage tank, edulcoration reation kettle, stills, the distillation column, condenser and fraction receiving slit, the condenser is connected with the vacuum pump, stills is connected with the heat conduction oil furnace, the exit linkage of condenser has the tee bend pipeline, the one end of tee bend pipeline is the product pipe, the other end is the back flow, the back flow communicates with the distillation column, the product pipe links to each other with the fraction receiving slit, the tee junction department of tee bend pipeline is equipped with the solenoid valve, the top of distillation column is equipped with temperature sensor, still be equipped with the controller, temperature sensor and solenoid valve respectively with controller electric connection, raw materials storage tank and vacuum pump connection have activated carbon adsorber. Leading to temperature sensor control distillation column exit temperature and transfering the controller with the signal, the controller correspondence reachs the product category, and control solenoid's switch direction when evaporating when producing to the required product, lets it follow the product stream play, otherwise flows back among the stills, guarantees the purity of product like this.
Description
Technical field
The utility model belongs to technical field of chemical, is specifically related to a kind of phenol mixed rectification system.
Background technology
Mixed phenol distil process is higher to equipment requirement, and the investment of complete set of equipments system is large, needs larger production scale to support, and because medium-sized and small enterprises production scale is limited, is difficult to bear large-scale equipment investment, and easily causes the idleness of equipment. For this reason, need to develop the phenol mixed rectification system that a kind of applicable middle and small scale is produced.
Utility model content
The purpose of this utility model is to propose a kind of phenol mixed rectification system, can meet Product Process quality requirement, can reduce again equipment investment.
The technical solution of the utility model is achieved in that a kind of phenol mixed rectification system, comprise the connected raw material storage tank of order front and back, removal of impurities reactor, distillation still, destilling tower, condenser and cut receiving slit, described condenser is connected with vavuum pump, described distillation still is connected with heat-conducting oil furnace, the outlet of described condenser is connected with three-way pipeline, one end of this three-way pipeline is product pipe, the other end is return duct, this return duct is communicated with described destilling tower, the outlet of return duct is provided with spray head, the first receiving tube of described product pipe and described cut receiving slit, the second receiving tube is connected with the 3rd receiving tube, described the first receiving tube, on the second receiving tube and the 3rd receiving tube, be respectively equipped with the first magnetic valve, the second magnetic valve and the 3rd magnetic valve, the threeway junction of described three-way pipeline is provided with the 4th magnetic valve, the top of described destilling tower is provided with temperature sensor, also be provided with controller, described temperature sensor and the first magnetic valve, the second magnetic valve, the 3rd magnetic valve and the 4th magnetic valve are electrically connected with described controller respectively, described raw material storage tank and vavuum pump are connected with active carbon adsorber.
Logical temperature sensor monitors destilling tower exit temperature is also passed to controller by signal, and controller correspondence draws product category, controls the switch direction of the 4th magnetic valve, in the time that the product of steaming are required product, allow it go out from product stream, otherwise be back in distillation still, ensure like this purity of product.
Further, for existing reactor because need staticly settle, need many reactors to take turns to operate, what its production efficiency was low determines, the improved removal of impurities reactor of the utility model is divided into upper and lower Liang Ge district by filter is set by reactor, reaction material is placed in inferior segment, because reaction material is solid, filter is limited in inferior segment, and raw material crude phenols are liquid, can enter upper and lower two regions, raw material after reaction absorption is lighter, upwards flow, heavier with the raw material of impurity, flowing downward enters inferior segment and reacts with reaction material. After reaction absorption, without staticly settling, directly the clear liquid in Jiang Shang district pumps like this; In order to add fast response adsorption rate, agitator is set in reactor, stir and form eddy current, accelerate the haptoreaction of raw material and reaction material.
More preferably, the mesh of described filter is circular hole or square hole, and the diameter of circular hole is 1～5mm, and the length of side of square hole is 1～5mm, and to ensure that reaction material does not enter Shang Qu, raw material can smooth and easy inflow inferior segment simultaneously.
More preferably, described active carbon adsorber comprises activated carbon container and solution pool, in this activated carbon container, active carbon is housed, bottom is provided with collecting pipe, top is provided with blast pipe, described collecting pipe is communicated with the blast pipe of described raw material storage tank and vavuum pump, and described blast pipe passes into described solution pool, in this solution pool, sodium hydroxide solution is housed. The harmful substance that contains phenol in the gas that the gas that raw material storage tank overflows and vavuum pump are discharged, adsorbs harmful substance by the absorption of active carbon and the reaction of sodium hydroxide solution, makes discharge meet environmental requirement.
Further, for improving the uniformity of temperature in distillation still, described distillation still comprises shell, this shell is provided with feed pipe and steam outlet pipe, this shell is the interlayer of hollow and is provided with the oil inlet pipe and the flowline that are communicated with this hollow, center in described shell is provided with heating ring, and this heating ring is communicated with the hollow of described shell.
The setting of center heating ring, can be to the heating liquid at distillation still middle part, avoided leaning on the fluid temperature of still wall compared with the lower heating unbalanced phenomena of temperature high and middle part liquid, it is consistent making like this product that the same time distills, thereby has improved product quality.
More preferably, described heating ring is three layers, is arranged above and below, to ensure homogeneous heating.
Further, the outside of described shell is provided with heat-insulation layer, and its beneficial effect is to have saved energy consumption, has reduced the temperature of working region, has improved working environment, and environmental protection.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the connection diagram between destilling tower, condenser and cut receiving slit;
Fig. 3 is the structural representation of removal of impurities reactor;
Fig. 4 is the structural representation of active carbon adsorber;
Fig. 5 is the structural representation of distillation still;
Fig. 6 is that A in Fig. 5 is to view schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment. Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Phenol mixed rectification system as depicted in figs. 1 and 2, comprise the connected raw material storage tank 1 of order front and back, removal of impurities reactor 2, distillation still 3, destilling tower 4, condenser 5 and cut receiving slit 6, condenser 5 is connected with vavuum pump 8, distillation still 3 is connected with heat-conducting oil furnace 7, condenser 5 adopts water-cooling pattern, for prior art, its outlet is connected with three-way pipeline, one end of this three-way pipeline is product pipe 51, the other end is return duct 52, return duct 52 is communicated with destilling tower 4, the first receiving tube of product pipe 51 and cut receiving slit 5, the second receiving tube is connected with the 3rd receiving tube, the first receiving tube, on the second receiving tube and the 3rd receiving tube, be respectively equipped with the first magnetic valve 61, the second magnetic valve 62 and the 3rd magnetic valve 63, the threeway junction of three-way pipeline is provided with the 4th magnetic valve 53, the top of destilling tower 4 is provided with temperature sensor 41, also be provided with controller (not shown in FIG.), this controller adopts programmable logic controller (PLC), for prior art, temperature sensor 41 and the first magnetic valve 61, the second magnetic valve 62, the 3rd magnetic valve 63 and the 4th magnetic valve 53 are electrically connected with described controller respectively, raw material storage tank 1 and vavuum pump 8 are connected with active carbon adsorber 9.
Removal of impurities reactor 2 as shown in Figure 3, comprise housing 21, the top of housing 21 is provided with charging aperture 22 and discharge nozzle 24, bottom in housing 21 is provided with filter 28, the mesh of filter 28 is square hole, its length of side is 3mm, the bottom of housing 21 is provided with reaction material drainage conduit 27, this reaction material drainage conduit 27 is provided with gate valve, housing 21 is provided with reaction material feed pipe 26 in the below of described filter 28, this reaction material feed pipe 26 is provided with gate valve, the discharge nozzle 24 of removal of impurities reactor 2 is connected with the feed pipe 32 of distillation still 3, in housing 21, be also provided with agitator 28, this agitator 28 is driven by the motor 23 of being located at housing 21 outsides.
Active carbon adsorber 9 as shown in Figure 4, comprise activated carbon container 92 and solution pool 94, in this activated carbon container 92, active carbon 95 is housed, bottom is provided with collecting pipe 91, top is provided with blast pipe 93, collecting pipe 91 is communicated with the blast pipe of raw material storage tank 1 and vavuum pump 8, and blast pipe 93 passes into solution pool 94, in solution pool 94, sodium hydroxide solution is housed.
Distillation still 3 as shown in Figure 5 and Figure 6, comprise shell 31, this shell 31 is provided with feed pipe 32 and steam outlet pipe 33, the interlayer that shell 31 is hollow is also provided with the oil inlet pipe 36 and the flowline 34 that are communicated with this hollow, and the center in shell 31 is provided with three layers of heating ring 35, and heating ring 35 is communicated with the hollow of shell 31, heating ring 35 is annular, also can make other shapes such as Fang Huan, the outside of shell 31 is provided with heat-insulation layer 38, and the bottom of shell 31 is provided with scum pipe 37.
Operation principle and the course of work of this phenol mixed rectification system are as follows:
Reaction material diatomite is inserted in reactor by reaction material feed pipe 26 from raw material storage tank, by the crude phenols liquid in raw material storage tank 1 by charging aperture 22 from pumping into reactor; Because diatomite is solid, filter 27 is limited in the inferior segment of reactor, and raw material crude phenols are liquid, can enter upper and lower two regions, the raw material after reaction absorption is lighter, upwards flows, raw material with impurity is heavier, flows downward to enter inferior segment and react absorption with diatomite; As want fast reaction speed, and open motor 23, agitator 28 stirs and forms eddy current, makes the upper and lower rapid flow of material liquid; After reaction absorption, upper district is the crude phenols liquid after removal of impurities, can directly suck in distillation still 3 through discharge nozzle 24; After certain hour, open reaction material drainage conduit 27, waste residue is discharged, then insert new diatomite.
Open vavuum pump 8, in whole system, form vacuum, raw material is inhaled in distillation still 3, heat-conducting oil furnace 7 by deep fat through oil inlet pipe 36 flow into shell 31 in aerial and heating ring 35, flowing back to heat-conducting oil furnace 7 through flowline 34 again heats again, circulate raw material is heated, the product distilling out enters in lower destilling tower 4 through steam guiding tube 33, after reducing pressure by destilling tower, enter condenser 5 and be cooled to liquid, temperature sensor 51 monitor destilling tower 4 discharging opening place temperature and signal is passed to controller, controller is judged corresponding product according to the program of setting, as suit the requirements, control the 4th magnetic valve 53 open allow to product pipe 51 one end product flow out, and control corresponding magnetic valve (as the first magnetic valve 61) on cut receiving slit 6 and open, two other magnetic valve (as the second magnetic valve 62 and the 3rd magnetic valve 63) cuts out, product is flowed in the receiving slit of specifying, otherwise control magnetic valve 53 is opened to return duct 52 one end and is made it flow back to destilling tower 4, and trickle down to distillation still 3 by spray head 42, evenly to reduce the temperature in distillation still 3.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a phenol mixed rectification system, comprise the connected raw material storage tank of order front and back, removal of impurities reactor, distillation still, destilling tower, condenser and cut receiving slit, described condenser is connected with vavuum pump, described distillation still is connected with heat-conducting oil furnace, the outlet of described condenser is connected with three-way pipeline, one end of this three-way pipeline is product pipe, the other end is return duct, this return duct is communicated with described destilling tower, the outlet of this return duct is provided with spray head, the first receiving tube of described product pipe and described cut receiving slit, the second receiving tube is connected with the 3rd receiving tube, described the first receiving tube, on the second receiving tube and the 3rd receiving tube, be respectively equipped with the first magnetic valve, the second magnetic valve and the 3rd magnetic valve, the threeway junction of described three-way pipeline is provided with the 4th magnetic valve, the top of described destilling tower is provided with temperature sensor, also be provided with controller, described temperature sensor and the first magnetic valve, the second magnetic valve, the 3rd magnetic valve and the 4th magnetic valve are electrically connected with described controller respectively, described raw material storage tank and vavuum pump are connected with active carbon adsorber.
2. phenol mixed rectification system as claimed in claim 1, it is characterized in that: described removal of impurities reactor comprises housing, the top of this housing is provided with charging aperture and discharge nozzle, bottom in described housing is provided with filter, the bottom of described housing is provided with reaction material drainage conduit, this reaction material drainage conduit is provided with gate valve, described housing is provided with reaction material feed pipe in the below of described filter, this reaction material feed pipe is provided with gate valve, the discharge nozzle of this removal of impurities reactor is connected with the feed pipe of described distillation still, in described housing, be also provided with agitator, this agitator is driven by the motor of being located at described hull outside.
3. phenol mixed rectification system as claimed in claim 2, is characterized in that: the mesh of described filter is circular hole or square hole, and its diameter or the length of side are 1～5mm.
4. phenol mixed rectification system as claimed in claim 3, is characterized in that: the mesh of described filter is square hole, and its length of side is 3mm.
5. phenol mixed rectification system as claimed in claim 1, it is characterized in that: described active carbon adsorber comprises activated carbon container and solution pool, in this activated carbon container, active carbon is housed, bottom is provided with collecting pipe, top is provided with blast pipe, described collecting pipe is communicated with the blast pipe of described raw material storage tank and vavuum pump, and described blast pipe passes into described solution pool, in this solution pool, sodium hydroxide solution is housed.
6. the phenol mixed rectification system as described in claim 1 to 5 any one, it is characterized in that: described distillation still comprises shell, this shell is provided with feed pipe and steam outlet pipe, this shell is the interlayer of hollow and is provided with the oil inlet pipe and the flowline that are communicated with this hollow, center in described shell is provided with heating ring, and this heating ring is communicated with the hollow of described shell.
7. phenol mixed rectification system as claimed in claim 6, is characterized in that: described heating ring is three layers, is arranged above and below.
8. phenol mixed rectification system as claimed in claim 6, is characterized in that: the outside of described shell is provided with heat-insulation layer.
9. phenol mixed rectification system as claimed in claim 7, is characterized in that: the outside of described shell is provided with heat-insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521067693.2U CN205258347U (en) | 2015-12-21 | 2015-12-21 | Mix phenol rectification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521067693.2U CN205258347U (en) | 2015-12-21 | 2015-12-21 | Mix phenol rectification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205258347U true CN205258347U (en) | 2016-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521067693.2U Expired - Fee Related CN205258347U (en) | 2015-12-21 | 2015-12-21 | Mix phenol rectification system |
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| CN (1) | CN205258347U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102073A (en) * | 2019-04-08 | 2019-08-09 | 浙江洁普环保科技有限公司 | Chemical industry rectifying heat recovery method |
-
2015
- 2015-12-21 CN CN201521067693.2U patent/CN205258347U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102073A (en) * | 2019-04-08 | 2019-08-09 | 浙江洁普环保科技有限公司 | Chemical industry rectifying heat recovery method |
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| Date | Code | Title | Description |
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| 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: 20160525 Termination date: 20191221 |
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| CF01 | Termination of patent right due to non-payment of annual fee |