CN112403009B - Diethyl toluene diamine hydrolysis solvent distillation recovery unit - Google Patents
Diethyl toluene diamine hydrolysis solvent distillation recovery unit Download PDFInfo
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- CN112403009B CN112403009B CN202110083428.7A CN202110083428A CN112403009B CN 112403009 B CN112403009 B CN 112403009B CN 202110083428 A CN202110083428 A CN 202110083428A CN 112403009 B CN112403009 B CN 112403009B
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The invention discloses a distillation and recovery device for a diethyl toluenediamine hydrolysis solvent, which relates to the technical field of solvent distillation and recovery and comprises a reaction kettle, wherein a partition plate is fixedly arranged in the reaction kettle, the space of the reaction kettle above the partition plate is set as a first treatment bin, the space of the reaction kettle below the partition plate is set as a second treatment bin, the first treatment bin and the second treatment bin are communicated through a drainage tube, a liquid control valve is fixedly arranged in the drainage tube, a treatment mechanism is arranged in the first treatment bin, and an automatic sealing mechanism is arranged in the inner wall of the upper end of the reaction kettle. According to the invention, through the arrangement of the processing mechanism, the mass transfer separation mechanism, the automatic sealing mechanism and the heat circulation mechanism, not only is the automatic material cutting processing performed, but also the electrolytic primary processing and the distillation recovery processing can be performed on the solution, so that the steam energy is fully utilized, and meanwhile, the distillation recovery efficiency is improved through the mass transfer separation mode.
Description
Technical Field
The invention relates to the technical field of solvent distillation and recovery, in particular to a distillation and recovery device for a hydrolysis solvent of diethyltoluenediamine.
Background
In the production process of the diethyl toluene diamine, arylamine aluminum/zinc is used as an alkylation catalyst, the arylamine aluminum/zinc is a metal compound, the compound is a solid substance, the reaction liquid is a liquid phase, the arylamine aluminum/zinc containing the diethyl toluene diamine and the ethyl toluene diamine and formed by the arylamine aluminum/zinc and the aluminum is a metal compound, and the metal compound can be dissolved in the diethyl toluene diamine to form a mixed phase state.
Although the conventional distillation and recovery device for a hydrolysis solvent of diethyltoluenediamine can complete the distillation and recovery of a hydrolysis solvent of diethyltoluenediamine, the recovery efficiency and the heat utilization efficiency are not high, and thus a distillation and recovery device for a hydrolysis solvent of diethyltoluenediamine is urgently required.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a distillation and recovery device for a hydrolysis solvent of diethyltoluenediamine.
In order to achieve the purpose, the invention adopts the following technical scheme:
a distillation and recovery device for a diethyl toluenediamine hydrolysis solvent comprises a reaction kettle, wherein a partition plate is fixedly arranged in the reaction kettle, the space of the reaction kettle above the partition plate is arranged as a first treatment bin, the space of the reaction kettle below the partition plate is arranged as a second treatment bin, the first treatment bin and the second treatment bin are communicated through a drainage tube, a liquid control valve is fixedly arranged in the drainage tube, a treatment mechanism is arranged in the first treatment bin, an automatic sealing mechanism is arranged in the inner wall of the upper end of the reaction kettle, a mass transfer separation mechanism is arranged in the second treatment bin, a heat circulation mechanism is arranged in the inner wall of the reaction kettle, and one end of the heat circulation mechanism is communicated with one end of the mass transfer separation mechanism;
the mass transfer separation mechanism comprises a distillation box fixedly arranged at the bottom of the second treatment bin, the top surface of the distillation box is rotatably connected with a mixing rod, the lower end of the mixing rod is rotatably penetrated through the bottom surface of the distillation box and extends into the inner wall of the bottom surface of the reaction kettle, a plurality of separation rods are fixedly arranged on the part of the mixing rod positioned in the distillation box, a cross rod is fixedly arranged on the mixing rod, a plurality of sweeping rakes are fixedly arranged at the lower end of the cross rod, silica gel heating plates are fixedly arranged on the inner walls of the left side and the right side of the upper end part of the distillation box respectively, a heating cavity is arranged in the inner wall of the distillation box, one end of the heating cavity is communicated with a high-temperature steam inlet pipe, the other end of the heating cavity is communicated with one end of a heat circulation mechanism, a bearing plate is fixedly arranged on the outer side, the other end of the guide pipe is inserted into the recovery cylinder, and a condenser is fixedly arranged on the guide pipe.
Preferably, processing mechanism is including rotating the drive lever of connecting in first processing storehouse top surface, first processing storehouse internal rotation is connected with four driven levers, four the driven lever all uses the drive lever to set up as the axle center symmetry, four driven lever and a drive lever all rotate and run through the division board and extend to inside, drive lever is located the part in first processing storehouse and goes up fixed mounting and has an adsorption cylinder, annular winding has a plurality of guide strips on the adsorption cylinder, adjacent two all be equipped with protruding type adsorption disc between the guide strip, four equal fixed mounting has a processing section of thick bamboo on the part that the driven lever is located first processing storehouse, fixed mounting has a plurality of stirring brushes on the lateral wall of processing section of thick bamboo, equal fixed mounting has the plate electrode on the left and right sides inner wall in first processing storehouse.
Preferably, be equipped with the start chamber in the division board, four driven lever and a drive lever all rotate and run through the setting of start chamber, four the driven lever all rotates with the bottom surface in start chamber to be connected, the bottom surface fixed mounting in start chamber has the motor, the output shaft and the drive lever fixed connection of motor, fixed mounting has the fluted disc, four on the lateral wall in start chamber the equal fixed mounting of driven lever has first gear, fixed mounting has the second gear on the drive lever, the second gear is connected with four first gear engagement, four first gear is connected with the fluted disc meshing.
Preferably, the automatic sealing mechanism includes the feeder sleeve with reation kettle top surface intercommunication, the right side intercommunication of feeder sleeve has the installation cavity, the right side intercommunication of installation cavity has the mounting groove, the top surface fixed mounting of mounting groove has the slide bar, sliding connection has the floating block on the slide bar, equal sliding connection has same balancing piece in the upper and lower both ends inner wall of installation cavity, one side of floating block and one side movable contact of balancing piece, the opposite side fixed mounting of balancing piece has the closing plate that is used for sealed feeder sleeve.
Preferably, heat circulation mechanism is including locating the annular heating pipe in the reation kettle upper end inner wall, annular heating pipe and heating chamber intercommunication set up, the other end intercommunication of annular heating pipe has the honeycomb duct, the intercommunication has the transmission chamber on the exhaust end of honeycomb duct, the right side intercommunication in transmission chamber has the pipe that loses heart, the puddler rotates and runs through the setting of transmission chamber, fixed mounting has the light impeller on the puddler is located the part of transmission intracavity.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the processing mechanism, the driven rods are driven to rotate by the driving of the motor, so that not only can electrolytic solution be fully mixed, but also metal impurities in the solution can be adsorbed and fixed, and the condition that the bottom of the container is dried and burnt due to high temperature of the impurities is avoided.
2. According to the invention, through the arrangement of the automatic sealing mechanism, the buoyancy change of the floating block in the solution is utilized, and through a series of transmission, the automatic sealing treatment can be carried out on the feeding pipe for supplying the liquid, so that the sealing property of the solution electrolysis is ensured, and the automation degree of the device is improved.
3. According to the invention, through the arrangement of the mass transfer separation mechanism, the solution in the distillation box can be distilled and recovered through the input of steam, the driving of the steam can drive the separation rod to stir the solution, the distillation speed is improved, the sweeping rake can stir the solution at the bottom, the occurrence of the dry burning condition at the bottom of the container is avoided, and the arrangement of the silica gel heating plate further heats the solution, so that the mass transfer separation is realized, and the distillation speed is further improved.
4. According to the invention, through the arrangement of the heat circulation mechanism, not only can the distillation box be heated integrally, but also the electrolytic solution can be heated, so that the speed of the electrolytic solution is improved, the circularly flowing steam with heat can also generate a driving force, a driving source is provided for the operation of the mass transfer separation mechanism, the utilization rate of heat is improved, and simultaneously, the distillation recovery efficiency is also improved indirectly.
Drawings
FIG. 1 is a schematic structural diagram of a distillation recovery device for a hydrolysis solvent of diethyltoluenediamine according to the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
FIG. 3 is an enlarged schematic view at B of FIG. 1;
FIG. 4 is a schematic view of a part of the connection of the processing mechanism in the distillation recovery device of the hydrolysis solvent of diethyltoluenediamine according to the present invention.
In the figure: 1 reaction kettle, 2 partition boards, 3 first treatment bins, 4 second treatment bins, 5 driving rods, 6 driven rods, 7 adsorption cylinders, 8 guide strips, 9 convex adsorption discs, 10 treatment cylinders, 11 stirring brushes, 12 electrode plates, 13 starting cavities, 14 fluted discs, 15 first gears, 16 second gears, 17 feeding pipes, 18 installation cavities, 19 installation grooves, 20 sliding rods, 21 floating blocks, 22 balance blocks, 23 sealing plates, 24 drainage pipes, 25 distillation boxes, 26 mixing rods, 27 separation rods, 28 sweeping rakes, 29 silica gel heating plates, 30 heating cavities, 31 high-temperature steam inlet pipes, 32 annular heating pipes, 33 drainage pipes, 34 transmission cavities, 35 light impellers, 36 recovery cylinders, 37 guide pipes, 38 condensers and 39 motors.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, a diethyl toluenediamine hydrolysis solvent distillation recovery device, including reation kettle 1, fixed mounting has division board 2 in reation kettle 1, reation kettle 1 space above division board 2 is established to first processing storehouse 3, reation kettle 1 space below division board 2 is established to second processing storehouse 4, first processing storehouse 3 and second processing storehouse 4 set up through drainage tube 24 intercommunication, fixed mounting has the accuse liquid valve in the drainage tube 24, be equipped with processing mechanism in the first processing storehouse 3, be equipped with automatic sealing mechanism in reation kettle 1's the upper end inner wall, be equipped with mass transfer separating mechanism in the second processing storehouse 4, be equipped with heat circulation mechanism in reation kettle 1's the inner wall, the one end of heat circulation mechanism and the one end intercommunication setting of mass transfer separating mechanism.
Wherein, the processing mechanism comprises a driving rod 5 rotationally connected with the top surface of a first processing bin 3, four driven rods 6 are rotationally connected in the first processing bin 3, the four driven rods 6 are symmetrically arranged by taking the driving rod 5 as an axis, the four driven rods 6 and one driving rod 5 are rotationally penetrated through a partition plate 2 and extend to the inside, an adsorption barrel 7 is fixedly arranged on the part of the driving rod 5 positioned in the first processing bin 3, a plurality of guide strips 8 are annularly wound on the adsorption barrel 7, a convex adsorption disc 9 is arranged between two adjacent guide strips 8, the convex adsorption disc 9 can adsorb and recover metal impurities in the solution, a processing barrel 10 is fixedly arranged on the part of the four driven rods 6 positioned in the first processing bin 3, a plurality of stirring brushes 11 are fixedly arranged on the outer side wall of the processing barrel 10, and electrode plates 12 are fixedly arranged on the inner walls of the left side and the right side of the first processing bin 3, the two electrode plates 12 are a positive electrode and a negative electrode, respectively.
Wherein, be equipped with start chamber 13 in the division board 2, four driven levers 6 and a drive lever 5 all rotate and run through the setting of start chamber 13, four driven levers 6 all rotate with the bottom surface of start chamber 13 and be connected, the bottom surface fixed mounting of start chamber 13 has motor 39, motor 39 is the SEV tablet, the model is AEVFAEEF, motor 39's output shaft and drive lever 5 fixed connection, fixed mounting has fluted disc 14 on the lateral wall of start chamber 13, the equal fixed mounting of four driven levers 6 has first gear 15, fixed mounting has second gear 16 on the drive lever 5, second gear 16 is connected with the meshing of four first gears 15, four first gears 15 are connected with the meshing of fluted disc 14.
Wherein, self sealing mechanism includes the feeder tube 17 with 1 top surface intercommunication of reation kettle, the right side intercommunication of feeder tube 17 has installation cavity 18, the right side intercommunication of installation cavity 18 has mounting groove 19, the top surface fixed mounting of mounting groove 19 has slide bar 20, sliding connection has the floating block 21 on the slide bar 20, equal sliding connection has same balancing piece 22 in the upper and lower both ends inner wall of installation cavity 18, sliding connection here is prior art, do not do too much repetitious here, one side of floating block 21 and one side movable contact of balancing piece 22, the opposite side fixed mounting of balancing piece 22 has the closing plate 23 that is used for sealed feeder tube 17.
Wherein, the mass transfer separation mechanism comprises a distillation box 25 fixedly arranged at the bottom of the second treatment bin 4, the top surface of the distillation box 25 is rotatably connected with a mixing rod 26, the lower end of the mixing rod 26 rotatably penetrates through the bottom surface of the distillation box 25 and extends into the inner wall of the bottom surface of the reaction kettle 1, a plurality of separation rods 27 are fixedly arranged on the part of the mixing rod 26 positioned in the distillation box 25, a cross rod is fixedly arranged on the mixing rod 26, a plurality of sweeping rakes 28 are fixedly arranged at the lower end of the cross rod, silica gel heating plates 29 are fixedly arranged on the inner walls of the left side and the right side of the upper end part of the distillation box 25, the solution in the upper half part of the distillation box 25 can be heated by the silica gel heating plates 29, so that the solution temperature in the upper part and the lower part of the distillation box 25 is different, thereby the mass transfer separation treatment is realized, a, the high-temperature steam inlet pipe 31 is supplied by external steam supply equipment, the other end of the heating cavity 30 is communicated with one end of the heat circulation mechanism, a bearing plate is fixedly mounted on the outer side wall of the reaction kettle 1, a recovery cylinder 36 is fixedly mounted on the bearing plate, the upper end of the distillation box 25 is communicated with a guide pipe 37, the other end of the guide pipe 37 is inserted into the recovery cylinder 36, and a condenser 38 is fixedly mounted on the guide pipe 37.
More specifically, heat circulation mechanism is including locating the annular heating pipe 32 in reation kettle 1 upper end inner wall, annular heating pipe 32 and heating chamber 30 intercommunication setting, annular heating pipe 32's other end intercommunication has honeycomb duct 33, the intercommunication has transmission chamber 34 on honeycomb duct 33's the exhaust end, transmission chamber 34's right side intercommunication has the pipe of disappointing, mixing rod 26 rotates and runs through transmission chamber 34 setting, fixed mounting has light impeller 35 on the part that mixing rod 26 is located transmission chamber 34, it needs to notice, light impeller 35 quality is light, can be driven by blowing of steam, and steam can drive mixing rod 26 and rotate.
In the invention, the solution is introduced into the first treatment bin 3 through the feeding pipe 17, the motor 39 is started, the driving rod 5 rotates due to the starting of the motor 39, the second gear 16 on the driving rod 5 is meshed with the first gear 15 on the driven rod 6, the first gear 15 on the driven rod 6 is meshed with the fluted disc 14 on the inner wall of the starting cavity 13, the driving rod 5 rotates to drive the driven rod 6 to rotate, the rotation of the four driven rods 6 enables the stirring brush 11 on the treatment barrel 10 to rotate, so that the introduced solution is stirred, the impurities in the stirred solution can be adsorbed by the convex adsorption discs 9 on the adsorption barrel 7 on the driving rod 5, the condition that the impurities dry-burn the bottom of the container due to high temperature in the subsequent distillation process is avoided, when the solution is continuously introduced, the floating block 21 moves upwards to a certain height on the sliding rod 20 due to the action of floating force, extruding the balance block 22 to make the sealing plate 23 at the left side of the balance block 22 enter the feeding pipe 17 and perform sealing treatment, thereby completing the automatic sealing treatment of the feeding pipe 17 for feeding liquid, at this time, electrifying the two electrode plates 12 to make the introduced solution perform electrolysis treatment, after electrifying for a period of time, opening the control valve in the drainage pipe 24 to make the solution in the first treatment bin 3 flow into the distillation box 25, and making the high-temperature steam inlet pipe 31 introduce steam into the heating chamber 30 in the inner wall of the distillation box 25 through the external steam supply equipment, and opening the silica gel heating plate 29 to complete the heating treatment of the distillation box 25, while the steam with heat flows into the annular heating pipe 32, thereby heating the solution for electrolysis, increasing the solution electrolysis rate, and finally the circularly flowing steam enters the transmission chamber 34 through the diversion pipe 33, the exhaust end of the draft tube 33 is conical, so that the speed of flowing steam is improved, the flowing steam drives the light impeller 35 to rotate, the mixing rod 26 is driven to rotate, finally, the steam is discharged through the air release pipe, the mixing rod 26 rotates to enable the separating rod 27 and the sweeping rake 28 to rotate, the solution distillation speed can be deepened through the rotation of the separating rod 27, the solution at the bottom can be stirred through the sweeping rake 28, the occurrence of the dry burning condition at the bottom of the container is avoided, the solution at the upper half part of the distillation box 25 can be heated due to the starting and heating of the silica gel heating plate 29, the solution temperature at the upper part and the lower part of the distillation box 25 is enabled to generate difference, the mass transfer separation treatment is realized, the solution distillation speed is further improved, and the multipurpose utilization of the steam improves the utilization efficiency of heat.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. A distillation and recovery device for a diethyl toluenediamine hydrolysis solvent comprises a reaction kettle (1) and is characterized in that a partition plate (2) is fixedly installed in the reaction kettle (1), the reaction kettle (1) is divided into a first treatment bin (3) and a second treatment bin (4) by the partition plate (2), the first treatment bin (3) and the second treatment bin (4) are communicated through a drainage tube (24), a liquid control valve is fixedly installed in the drainage tube (24), a treatment mechanism is arranged in the first treatment bin (3), an automatic sealing mechanism is arranged in the inner wall of the upper end of the reaction kettle (1), a mass transfer and separation mechanism is arranged in the second treatment bin (4), a heat circulation mechanism is arranged in the inner wall of the reaction kettle (1), and one end of the heat circulation mechanism is communicated with one end of the mass transfer and separation mechanism;
the mass transfer separating mechanism comprises a distillation box (25) fixedly installed at the bottom of the second treatment bin (4), the top surface of the distillation box (25) is rotatably connected with a mixing rod (26), the lower end of the mixing rod (26) is rotatably penetrated through the bottom surface of the distillation box (25) and extends into the inner wall of the bottom surface of the reaction kettle (1), a plurality of separating rods (27) are fixedly installed on the part of the mixing rod (26) located in the distillation box (25), a cross rod is fixedly installed on the mixing rod (26), a plurality of sweeping rakes (28) are fixedly installed at the lower end of the cross rod, silica gel heating plates (29) are fixedly installed on the inner walls of the left side and the right side of the upper end part of the distillation box (25), a heating cavity (30) is arranged in the inner wall of the distillation box (25), one end of the heating cavity (30) is communicated with a high-temperature steam (31), the other end of the heating cavity (, a bearing plate is fixedly arranged on the outer side wall of the reaction kettle (1), a recovery cylinder (36) is fixedly arranged on the bearing plate, the upper end of the distillation box (25) is communicated with a guide pipe (37), the other end of the guide pipe (37) is inserted into the recovery cylinder (36), and a condenser (38) is fixedly arranged on the guide pipe (37);
heat circulation mechanism is including locating annular heating pipe (32) in reation kettle (1) upper end inner wall, annular heating pipe (32) set up with heating chamber (30) intercommunication, the other end intercommunication of annular heating pipe (32) has honeycomb duct (33), the intercommunication has transmission chamber (34) on the exhaust end of honeycomb duct (33), the right side intercommunication of transmission chamber (34) has the pipe of losing heart, mixing rod (26) rotate and run through transmission chamber (34) and set up, fixed mounting has light impeller (35) on the part that mixing rod (26) are located transmission chamber (34).
2. The distillation and recovery device for the hydrolysis solvent of diethyltoluenediamine according to claim 1, wherein the treatment mechanism comprises a driving rod (5) rotatably connected to the top surface of the first treatment bin (3), the first treatment bin (3) is rotatably connected with four driven rods (6), the four driven rods (6) are symmetrically arranged with the driving rod (5) as an axis, the four driven rods (6) and one driving rod (5) rotatably penetrate through the partition plate (2) and extend into the interior, an adsorption barrel (7) is fixedly installed on the part of the driving rod (5) located in the first treatment bin (3), a plurality of guide strips (8) are annularly wound on the adsorption barrel (7), a convex adsorption disk (9) is arranged between every two adjacent guide strips (8), and a treatment barrel (10) is fixedly installed on the part of the four driven rods (6) located in the first treatment bin (3), a plurality of stirring brushes (11) are fixedly mounted on the outer side wall of the treatment barrel (10), and electrode plates (12) are fixedly mounted on the inner walls of the left side and the right side of the first treatment bin (3).
3. The distillation recovery device of a hydrolysis solvent of diethyltoluenediamine according to claim 2, it is characterized in that a starting cavity (13) is arranged in the partition plate (2), four driven rods (6) and one driving rod (5) are arranged in a rotating mode and penetrate through the starting cavity (13), the four driven rods (6) are connected with the bottom surface of the starting cavity (13) in a rotating mode, a motor (39) is fixedly arranged on the bottom surface of the starting cavity (13), an output shaft of the motor (39) is fixedly connected with the driving rod (5), a fluted disc (14) is fixedly arranged on the outer side wall of the starting cavity (13), first gears (15) are fixedly arranged on the four driven rods (6), the driving rod (5) is fixedly provided with a second gear (16), the second gear (16) is meshed with four first gears (15), and the four first gears (15) are meshed with a fluted disc (14).
4. The distillation and recovery device of a hydrolysis solvent of diethyltoluenediamine according to claim 1, wherein the automatic sealing mechanism comprises a feeding pipe (17) communicated with the top surface of the reaction kettle (1), the right side of the feeding pipe (17) is communicated with a mounting cavity (18), the right side of the mounting cavity (18) is communicated with a mounting groove (19), the top surface of the mounting groove (19) is fixedly provided with a sliding rod (20), the sliding rod (20) is slidably connected with a floating block (21), the inner walls of the upper end and the lower end of the mounting cavity (18) are both slidably connected with the same balancing block (22), one side of the floating block (21) is movably contacted with one side of the balancing block (22), and the other side of the balancing block (22) is fixedly provided with a sealing plate (23) for sealing the feeding pipe (17).
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| CN202110083428.7A CN112403009B (en) | 2021-01-21 | 2021-01-21 | Diethyl toluene diamine hydrolysis solvent distillation recovery unit |
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| CN202110083428.7A CN112403009B (en) | 2021-01-21 | 2021-01-21 | Diethyl toluene diamine hydrolysis solvent distillation recovery unit |
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| CN112403009B true CN112403009B (en) | 2021-04-20 |
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| US5468462A (en) * | 1993-12-06 | 1995-11-21 | Atomic Energy Of Canada Limited | Geographically distributed tritium extraction plant and process for producing detritiated heavy water using combined electrolysis and catalytic exchange processes |
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| CN110482762A (en) * | 2019-09-06 | 2019-11-22 | 浦江县力顶环保设备有限公司 | A kind of processing unit of the factory containing sour Nacl waste water |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN207445623U (en) * | 2017-10-31 | 2018-06-05 | 吉安市御美丽健康产业股份有限公司 | A kind of pharmacy distillation and concentration device |
| CN112321053A (en) * | 2020-11-03 | 2021-02-05 | 李国艳 | Be used for mill to contain high-efficient environmental protection processing apparatus of acid industrial salt waste water |
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2021
- 2021-01-21 CN CN202110083428.7A patent/CN112403009B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5468462A (en) * | 1993-12-06 | 1995-11-21 | Atomic Energy Of Canada Limited | Geographically distributed tritium extraction plant and process for producing detritiated heavy water using combined electrolysis and catalytic exchange processes |
| CN205731064U (en) * | 2016-07-06 | 2016-11-30 | 漯河医学高等专科学校 | A kind of pharmaceutical material mixed stirring device |
| CN206935379U (en) * | 2017-04-27 | 2018-01-30 | 昆山亚香香料股份有限公司 | The energy-saving system of reactor and distillation still |
| CN109293121A (en) * | 2018-12-05 | 2019-02-01 | 孟召阳 | A kind of chemical waste liquid processing reforming unit |
| CN110482762A (en) * | 2019-09-06 | 2019-11-22 | 浦江县力顶环保设备有限公司 | A kind of processing unit of the factory containing sour Nacl waste water |
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| CN112403009A (en) | 2021-02-26 |
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Denomination of invention: A distillation and recovery device for diethyltoluene diamine hydrolysis solvent Effective date of registration: 20221107 Granted publication date: 20210420 Pledgee: Guangrao sub branch of Dongying Bank Co.,Ltd. Pledgor: DONGYING HAIRUIBAO NEW MATERIAL CO.,LTD. Registration number: Y2022980021004 |