阅读说明：本技术 一种二乙基甲苯二胺循环除杂的贮存装置 (Storage device of diethyl toluenediamine circulation edulcoration ) 是由 蔡友军 于 2021-08-16 设计创作，主要内容包括：本发明涉及一种二乙基甲苯二胺领域,尤其涉及一种二乙基甲苯二胺循环除杂的贮存装置。本发明的技术问题是：提供一种二乙基甲苯二胺循环除杂的贮存装置。一种二乙基甲苯二胺循环除杂的贮存装置,包括有安装侧架柱、罐体固定环、贮存罐体、固定底架、安装台、排气隔离加料系统、沉淀分层系统、沉淀汇集气体交换系统；安装侧架柱左侧顶部和左侧中部各焊接有一个罐体固定环。本发明实现了在贮存的同时通过不断沉淀和溶液分层使其内部的芳胺催化剂和芳胺衍生物沉淀析出分离,在离心沉淀聚集的过程中通过分层隔离的方式避免溶液中下层溶液和上层溶液发生离子扩散,避免析出沉淀二次溶解的效果。(The invention relates to the field of diethyl toluenediamine, in particular to a storage device for cyclic impurity removal of diethyl toluenediamine. The technical problem of the invention is that: provides a storage device for the cyclic impurity removal of diethyltoluenediamine. A storage device for cyclic impurity removal of diethyltoluenediamine comprises a mounting side frame column, a tank body fixing ring, a storage tank body, a fixing bottom frame, a mounting table, an exhaust isolation charging system, a precipitation layering system and a precipitation collecting gas exchange system; the tank body fixing rings are welded at the top of the left side and the middle of the left side of the side frame column respectively. The invention realizes the effects of continuously precipitating and solution layering to precipitate, separate and separate the arylamine catalyst and the arylamine derivative in the solution during storage, and avoids the ion diffusion of the lower layer solution and the upper layer solution in the layering and isolating mode in the centrifugal precipitation and aggregation process, thereby avoiding the secondary dissolution of the precipitated precipitate.)

1. The utility model provides a storage device of diethyl toluene diamine circulation edulcoration, is including installation side frame post (1), jar solid fixed ring (2), the storage tank body (3), fixed chassis (4) and mount table (5), characterized by: the device also comprises an exhaust isolation feeding system (6), a precipitation layering system (7), a precipitation collection gas exchange system (8), a first pipeline communicating component (9), a conical collection chassis (12), a second pipeline communicating component (13), a motor frame plate (14) and a seventh pipeline communicating component (15); the top part of the left side and the middle part of the left side of the mounting side frame column (1) are respectively welded with a tank body fixing ring (2); the inner sides of the two tank body fixing rings (2) are fixedly connected with a storage tank body (3); the bottom of the outer surface of the storage tank body (3) is fixedly connected with a fixed underframe (4); the top of the storage tank body (3) is connected with an exhaust isolation feeding system (6); the bottom of the left side of the exhaust isolation feeding system (6) is connected with a mounting table (5); the mounting table (5) is positioned on the left side of the fixed underframe (4); a sedimentation layering system (7) is arranged in the middle of the inner side of the storage tank body (3); a sediment collection gas exchange system (8) is arranged at the bottom of the inner side of the storage tank body (3); the bottom of the storage tank body (3) is welded with a conical collection chassis (12); a second pipeline communicating component (13) is arranged in the middle of the bottom of the conical collecting chassis (12); a motor frame plate (14) is welded in the middle of the front side of the mounting side frame column (1); the left side of the top of the motor frame plate (14) is connected with a sedimentation layering system (7); a first pipeline communicating component (9) is arranged at the right rear side of the storage tank body (3); a seventh pipeline communicating component (15) is arranged at the bottom of the right rear side of the storage tank body (3).

2. A storage device for cyclic impurity removal of diethyltoluenediamine according to claim 1, wherein the exhaust isolation charging system (6) comprises a socket (601), a nitrogen storage tank (602), a third pipeline communication component (603), a pipe frame plate (604) and an exhaust liquid storage component; the top of the storage tank body (3) is provided with an exhaust liquid storage assembly; the top of the mounting table (5) is provided with a socket base (601); a nitrogen storage tank (602) is fixedly connected with the inner side of the socket base (601); a third pipeline communication assembly (603) is arranged in the middle of the top of the nitrogen storage tank (602); a pipe frame plate (604) is welded at the top of the right side of the mounting table (5); the top of the pipe frame plate (604) is sleeved in the middle of the outer surface of the third pipeline communicating component (603); the third pipeline communicating component (603) is fixedly inserted in the exhaust liquid storage component.

3. The storage device for the cyclic impurity removal of diethyltoluenediamine according to claim 2, wherein the exhaust liquid storage component comprises a reaction liquid storage tank (605), a sealing top cover (606), a fourth pipeline communication component (607), a fifth pipeline communication component (608), a first top strip-shaped frame plate (609), a first waterproof motor (6010), a second ultrasonic liquid level sensor (6011), an opening liquid adding circular plate (6012), a mounting sealing ring (6013), a connecting liquid discharging plate (6014) and a liquid discharging pipe (6015); the top of the storage tank body (3) is provided with an installation sealing ring (6013); the top of the storage tank body (3) is provided with a jointed liquid discharging plate (6014) which is fixedly sleeved on the inner side; a liquid outlet pipe (6015) is fixedly inserted at the bottom of the liquid discharging plate (6014); a reaction liquid storage tank (605) is fixedly connected to the top of the mounting sealing ring (6013); the top of the reaction liquid storage tank (605) is screwed with a sealing top cover (606); a fourth pipeline communication assembly (607) and a fifth pipeline communication assembly (608) are mounted at the top of the sealing top cover (606); both ends of the first top strip-shaped frame plate (609) are fixedly connected with the side wall of the reaction liquid storage tank (605); the middle part of the lower side of the first top strip-shaped frame plate (609) is connected with a first waterproof motor (6010) through bolts; a second ultrasonic liquid level sensor (6011) is arranged in the middle of the rear side of the reaction liquid storage tank (605); the bottom of an output shaft of the first waterproof motor (6010) is fixedly connected with an opening liquid adding circular plate (6012); the bottom of the perforated liquid adding circular plate (6012) is connected with a joined liquid discharging plate (6014) in a sliding manner; the perforated liquid adding circular plate (6012) is rotationally connected with the reaction liquid storage cabin (605); the upper right part of the third pipeline communicating component (603) is fixedly inserted in the reaction liquid storage tank (605).

4. A storage device for cyclic impurity removal of diethyltoluenediamine according to claim 3, wherein the deposition layering system (7) comprises a power motor (701), an installation inserted bar (702), a layering plate (703), a fixed bearing sleeve (704), a bearing frame plate (705), a rotating shaft bar (706), a sliding inserted bar (707), a middle guide component and a deposition removing component; two power motors (701) are fixedly connected to the top of the motor frame plate (14); the storage tank body (3) is symmetrically provided with installation inserted rods (702); the two mounting inserted rods (702) are connected with the storage tank body (3) through a fixed bearing sleeve (704); the front ends of the installation inserted rods (702) are respectively and fixedly connected with output shafts of the two power motors (701); a pair of layered plates (703) is arranged on the inner side of the storage tank body (3); the two layering plates (703) are respectively fixedly connected with two mounting inserted rods (702); the tops of the two layered plates (703) are respectively provided with a bearing frame plate (705); the tops of the two bearing frame plates (705) are connected with a sliding inserted rod (707) through a rotating shaft rod (706); a middle guide component is connected between the two sliding inserted rods (707); a sediment removing component is fixedly connected to one side of the bottoms of the sliding inserted rods (707) at two sides, which is close to the bearing frame plate (705); the bottom of the sediment removal assembly is in contact with the layered plate (703).

5. A storage device for cyclic impurity removal of diethyltoluenediamine according to claim 4, wherein the middle guide assembly comprises an insertion sliding sleeve rod (708), a guide column (709) and a seaming plate (7010); a sliding sleeve rod (708) is connected between the two sliding inserted rods (707) in a sliding way; a guide column (709) is fixedly connected to the middle part of the lower side of the insertion sliding sleeve rod (708); the bottom of the guide column (709) is fixedly connected with a joint plate (7010).

6. A storage device for cyclic impurity removal of diethyltoluenediamine according to claim 5, wherein the precipitation cleaning component comprises an elastic telescopic rod (7011) and a cleaning elastic fiber strip (7012); an elastic telescopic rod (7011) is fixedly connected to the left side of the bottom of the sliding inserted rod (707); the bottom of the elastic telescopic rod (7011) is provided with a cleaning elastic fiber strip (7012).

7. A storage device for cyclic impurity removal of diethyltoluenediamine according to claim 6, wherein the power motor (701), the mounting insertion rod (702), the side opening and closing layered plate (703), the fixed bearing sleeve (704), the bearing frame plate (705), the rotating shaft rod (706), the sliding insertion rod (707), the elastic telescopic rod (7011) and the cleaning elastic fiber strip (7012) are arranged in two groups, and are respectively positioned on two sides of the middle joint plate (7010).

8. A diethyl toluenediamine storage device for cyclic impurity removal according to claim 7, wherein the precipitation collection gas exchange system (8) comprises a first fixedly connected side column (801), a second fixedly connected side column (802), an air collection chamber (803), a sixth pipeline communication assembly (804), a second top strip-shaped frame plate (805), a second waterproof motor (806) and centrifugal power fan blades (807); a first fixedly connected side column (801) is welded at the left lower side inside the storage tank body (3); a second fixedly connected side column (802) is welded at the right lower side inside the storage tank body (3); an air collection cabin (803) is welded between the first fixedly connected side column (801) and the second fixedly connected side column (802); a sixth pipeline communication assembly (804) is fixedly connected to the top of the air collection cabin (803); the outer surface of the sixth pipeline communicating component (804) is fixedly sleeved and connected with the storage tank body (3); a second top strip-shaped frame plate (805) is arranged at the upper part of the inner side of the air collection cabin (803); the middle part of the lower side of the second top strip-shaped frame plate (805) is connected with a second waterproof motor (806) through a bolt; the bottom of the output shaft of the second waterproof motor (806) is fixedly connected with a centrifugal power fan blade (807).

9. A storage device for cyclic impurity removal of diethyltoluenediamine according to claim 8, further comprising a first ultrasonic liquid level sensor (10) and a collection bottom tank (11); a first ultrasonic liquid level sensor (10) is arranged in the middle of the rear side of the storage tank body (3); a collecting bottom tank (11) is arranged below the fixed underframe (4).

Technical Field

The invention relates to the field of diethyl toluenediamine, in particular to a storage device for cyclic impurity removal of diethyl toluenediamine.

Background

At present, chinese patent CN210545136U in the prior art mentions that "at present, excessive aromatic amine catalyst is added during the preparation of the diethyltoluenediamine stock solution, and these catalyst residues and a few aromatic amine derivatives affect the purity of the diethyltoluenediamine stock solution, and a certain amount of hydrochloric acid is generally added into the diethyltoluenediamine stock solution tank to mix, so that this part of residual catalyst is converted into precipitate, and then this supernatant is pumped out and collected by a liquid pump, but the time and material costs are increased due to the long precipitation time in the above process and the serious corrosion of the seal of the liquid pump by the mixed liquid.

In the process of pumping and collecting the supernatant by using a liquid pump, the diethyltoluenediamine can contact with air, so that the color of the diethyltoluenediamine can be changed, and the chemical property can be influenced; hydrochloric acid is added into the solution, the hydrochloric acid solution can diffuse from top to bottom at the moment, in the diffusion process, the catalyst is separated out and settled downwards through precipitation, the precipitation is settled and gathered after the precipitation reaction is carried out in the diethyl toluenediamine solution, the precipitation is gathered to the bottom of the solution at the moment, but the phenomenon of vertical diffusion of different ions in the solution occurs in the centrifugal process at the same time, the phenomenon that the precipitated part separated out at the bottom of the solution is dissolved can be caused, the precipitation is repeatedly dissolved after separation, and the catalyst impurity removal efficiency is low.

In order to solve the problems, a storage device for cyclic impurity removal of diethyltoluenediamine is provided.

Disclosure of Invention

In order to overcome the defects that in the prior art, diethyl toluene diamine can contact air in the process of pumping out and collecting supernatant by using a liquid pump, so that the color of the diethyl toluene diamine can be changed, and the chemical property can be influenced; adding hydrochloric acid into the solution, wherein the hydrochloric acid solution diffuses from top to bottom, in the diffusion process, the catalyst is precipitated and precipitated downwards through precipitation, the precipitate is precipitated and aggregated through centrifugal operation after precipitation reaction occurs in the diethyl toluenediamine solution, the precipitate is aggregated to the bottom of the solution at the moment, but different ions in the solution diffuse up and down in the centrifugal process, so that the precipitated part at the bottom of the solution is dissolved, the precipitate is repeatedly dissolved after precipitation, and the catalyst impurity removal efficiency is low, and the technical problem of the invention is that: provides a storage device for the cyclic impurity removal of diethyltoluenediamine.

A storage device for cyclic impurity removal of diethyltoluenediamine comprises a mounting side frame column, a tank body fixing ring, a storage tank body, a fixing underframe, a mounting platform, an exhaust isolation charging system, a precipitation layering system, a precipitation gathering gas exchange system, a first pipeline communicating component, a conical collecting chassis, a second pipeline communicating component, a motor frame plate and a seventh pipeline communicating component; the tank body fixing rings are welded at the top of the left side and the middle of the left side of the side frame column respectively; the inner sides of the two tank body fixing rings are fixedly connected with storage tank bodies; the bottom of the outer surface of the storage tank body is fixedly connected with a fixed underframe; the top of the storage tank body is connected with an exhaust isolation feeding system; the bottom of the left side of the exhaust isolation feeding system is connected with an installation platform; the mounting table is positioned on the left side of the fixed underframe; a sedimentation layering system is arranged in the middle of the inner side of the storage tank body; a sediment collection gas exchange system is arranged at the bottom of the inner side of the storage tank body; the bottom of the storage tank body is welded with a conical collection chassis; a second pipeline communicating component is arranged in the middle of the bottom of the conical collecting chassis; the middle part of the front side of the mounting side frame column is welded with a motor frame plate; the left side of the top of the motor frame plate is connected with a precipitation layering system; a first pipeline communicating component is arranged on the right rear side of the storage tank body; and a seventh pipeline communicating component is arranged at the bottom of the right rear side of the storage tank body.

Further, the exhaust isolation charging system comprises a socket seat, a nitrogen storage tank, a third pipeline communication assembly, a pipe frame plate and an exhaust liquid storage assembly; the top of the storage tank body is provided with an exhaust liquid storage assembly; the top of the mounting table is provided with a socket seat; the inner side of the barrel inserting seat is fixedly connected with a nitrogen storage tank; a third pipeline communicating component is arranged in the middle of the top of the nitrogen storage tank; the top of the right side of the mounting table is welded with a pipe frame plate; the top of the pipe frame plate is sleeved in the middle of the outer surface of the third pipeline communication assembly; the third pipeline communicating component is fixedly inserted in the exhaust liquid storage component.

Further, the exhaust liquid storage component comprises a reaction liquid storage cabin, a sealing top cover, a fourth pipeline communication component, a fifth pipeline communication component, a first top strip-shaped frame plate, a first waterproof motor, a second ultrasonic liquid level sensor, an opening liquid adding circular plate, a mounting sealing ring, a connection liquid discharging plate and a liquid discharging pipe; the top of the storage tank body is provided with an installation sealing ring; the top of the storage tank body is provided with an inner side fixedly sleeved with a jointed lower liquid plate; a liquid outlet pipe is fixedly inserted at the bottom of the lower liquid plate; the top of the mounting sealing ring is fixedly connected with a reaction liquid storage cabin; a sealing top cover is screwed at the top of the reaction liquid storage cabin; the top of the sealing top cover is provided with a fourth pipeline communicating component and a fifth pipeline communicating component; two ends of the first top strip-shaped frame plate are fixedly connected to the side wall of the reaction liquid storage cabin; the middle part of the lower side of the first top strip-shaped frame plate is connected with a first waterproof motor through a bolt; a second ultrasonic liquid level sensor is arranged in the middle of the rear side of the reaction liquid storage cabin; the bottom of the output shaft of the first waterproof motor is fixedly connected with an opening liquid feeding circular plate; the bottom of the perforated liquid feeding circular plate is connected with the liquid feeding plate in a sliding manner; the perforated liquid feeding circular plate is rotationally connected with the reaction liquid storage cabin; the upper right side of the third pipeline communicating component is fixedly inserted in the reaction liquid storage tank.

Furthermore, the sedimentation layering system comprises a power motor, an installation inserted bar, a layering plate, a fixed bearing sleeve, a bearing frame plate, a rotating shaft rod, a sliding inserted bar, a middle guide assembly and a sedimentation clearing assembly; two power motors are fixedly connected to the top of the motor frame plate; the storage tank body is symmetrically provided with installation inserted rods; the two mounting inserted rods are connected with the storage tank body through a fixed bearing sleeve; the front ends of the mounting inserted rods are fixedly connected to output shafts of the two power motors respectively; a pair of layered plates are arranged on the inner side of the storage tank body; the two layered plates are respectively fixedly connected with two installation inserted rods; the top parts of the two layered plates are respectively provided with a bearing frame plate; the tops of the two bearing frame plates are connected with a sliding inserted rod through a rotating shaft rod; a middle guide component is connected between the two sliding insertion rods; the bottom of the sliding inserted rods at the two sides is fixedly connected with a sediment removing component close to one side of the bearing frame plate; the bottom of the sediment removal assembly is in contact with the laminate.

Furthermore, the middle guide assembly comprises an inserting sliding sleeve rod, a guide column and a joint plate; a sliding sleeve rod is connected between the two sliding insertion rods in a sliding manner; the middle part of the lower side of the inserted sliding sleeve rod is fixedly connected with a guide post; the bottom of the guide post is fixedly connected with a joint plate.

Further, the sediment removing assembly comprises an elastic telescopic rod and a cleaning elastic fiber strip; an elastic telescopic rod is fixedly connected to the left side of the bottom of the sliding insertion rod; the bottom of the elastic telescopic rod is provided with a cleaning elastic fiber strip.

Furthermore, the power motor, the mounting inserted bar, the side opening and closing layered plate, the fixed bearing sleeve, the bearing frame plate, the rotating shaft rod, the sliding inserted bar, the elastic telescopic rod and the cleaning elastic fiber strip are a group, and two groups are arranged and are respectively positioned at two sides of the middle seam closing plate.

Further, the sediment collection gas exchange system comprises a first fixedly connected side column, a second fixedly connected side column, an air collection cabin, a sixth pipeline communication assembly, a second top strip-shaped frame plate, a second waterproof motor and a centrifugal power fan blade; a first fixedly connected side column is welded at the left lower side inside the storage tank body; a second fixedly connected side column is welded at the right lower side inside the storage tank body; an air collection cabin is welded between the first fixedly connected side column and the second fixedly connected side column; a sixth pipeline communicating component is fixedly connected to the top of the air collecting cabin; the outer surface of the sixth pipeline communicating component is fixedly sleeved on the storage tank body; a second top strip-shaped frame plate is arranged at the upper part of the inner side of the air collection cabin; the middle part of the lower side of the second top strip-shaped frame plate is connected with a second waterproof motor through a bolt; the bottom of the output shaft of the second waterproof motor is fixedly connected with a centrifugal power fan blade.

Further, the ultrasonic liquid level sensor comprises a first ultrasonic liquid level sensor and a collecting bottom tank; a first ultrasonic liquid level sensor is arranged in the middle of the rear side of the storage tank body; a collecting bottom tank is arranged below the fixed underframe.

The invention has the following advantages:

first, through having set up exhaust isolation charging system, realized solution adding in-process, avoided air and inside diethyl toluene diamine stoste to contact, guaranteed the good chemical property of diethyl toluene diamine stoste.

The second point, through having set up deposit layering system, realized carrying out solution isolation layering at the edulcoration in-process, avoid carrying out upper and lower layer ion exchange, avoid lower floor's solution and upper solution to take place ion diffusion in the solution through the mode of layering isolation at the in-process of centrifugal precipitation gathering, avoid appearing to deposit the secondary and dissolve.

Thirdly, the sediment gas collecting exchange system is arranged, so that the phenomenon that air is contacted with the internal diethyl toluenediamine stock solution after gas-liquid exchange in the sediment separation process is avoided; the chemical property of the diethyl toluene diamine is more stable during the storage process.

And fourthly, the prepared diethyl toluenediamine stock solution containing the arylamine catalyst and the arylamine derivative is stored, the arylamine catalyst and the arylamine derivative in the diethyl toluenediamine stock solution are precipitated and separated out through continuous precipitation and solution layering during storage, and the effect of automatic cyclic impurity removal is achieved in the process of storing the diethyl toluenediamine.

Drawings

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a second perspective view of the present invention;

FIG. 3 is a partial perspective cut-away view of the present invention;

FIG. 4 is a schematic perspective view of the exhaust isolation charging system of the present invention;

FIG. 5 is a schematic perspective view of a first portion of the exhaust isolation charging system of the present invention;

FIG. 6 is a perspective view of a second portion of the exhaust isolation charging system of the present invention;

FIG. 7 is a schematic view of a first perspective view of the sedimentation layering system of the present invention;

FIG. 8 is a schematic diagram of a second perspective view of the sedimentation layering system of the present invention;

FIG. 9 is a schematic view of a first perspective view of the sediment collection gas exchange system of the present invention;

FIG. 10 is a second perspective view of the sediment collection gas exchange system of the present invention.

In the above drawings: 1: mounting side frame column, 2: solid fixed ring of jar body, 3: storage tank, 4: fixed chassis, 5: mounting table, 6: exhaust isolated charging system, 7: sedimentation stratification system, 8: precipitation-pooling gas exchange system, 9: first pipe communication assembly, 10: first ultrasonic level sensor, 11: collection bottom tank, 12: conical collection pan, 13: second pipe communication assembly, 14: motor-rack plate, 15: seventh conduit communication assembly, 601: socket base, 602: nitrogen storage tank, 603: third conduit communication assembly, 604: tube rack plate, 605: reaction liquid storage tank, 606: seal cap, 607: fourth conduit communication assembly, 608: fifth pipe communication assembly, 609: first top strip shelf, 6010: first waterproof motor, 6011: second ultrasonic liquid level sensor, 6012: open-hole liquid-feeding circular plate, 6013: mounting a sealing ring, 6014: ligation lower plate, 6015: a liquid outlet pipe, 701: power motor, 702: installation inserted bar, 703: side opening and closing layered plate, 704: fixed bearing sleeve, 705: bearing frame plate, 706: spindle shaft, 707: sliding plunger, 708: inserting sliding sleeve rod, 709: triangular settlement guide column, 7010: middle joint plate, 7011: elastic telescopic rod, 7012: cleaning elastic fiber strips, 801: first fixedly attached side post, 802: second fixedly attached side post, 803: air collection pod, 804: sixth conduit communication assembly, 805: second top strip shelf, 806: second waterproof motor, 807: centrifugal power fan blades.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1-3, a storage device for cyclic impurity removal of diethyltoluenediamine comprises an installation side frame column 1, a tank body fixing ring 2, a storage tank body 3, a fixed underframe 4, an installation platform 5, an exhaust isolation charging system 6, a precipitation layering system 7, a precipitation collection gas exchange system 8, a first pipeline communicating component 9, a conical collection chassis 12, a second pipeline communicating component 13, a motor frame plate 14 and a seventh pipeline communicating component 15; the tank body fixing rings 2 are respectively welded at the top of the left side and the middle of the left side of the mounting side frame column 1; the inner sides of the two tank body fixing rings 2 are fixedly connected with a storage tank body 3; the bottom of the outer surface of the storage tank body 3 is fixedly connected with a fixed underframe 4; the top of the storage tank body 3 is connected with an exhaust isolation feeding system 6; the bottom of the left side of the exhaust isolation feeding system 6 is connected with an installation platform 5; the mounting table 5 is positioned on the left side of the fixed underframe 4; a sedimentation layering system 7 is arranged in the middle of the inner side of the storage tank body 3; a sediment collection gas exchange system 8 is arranged at the bottom of the inner side of the storage tank body 3; the bottom of the storage tank body 3 is welded with a conical collection chassis 12; the middle part of the bottom of the conical collecting chassis 12 is provided with a second pipeline communicating component 13; the middle part of the front side of the mounting side frame column 1 is welded with a motor frame plate 14; the left side of the top of the motor frame plate 14 is connected with a sedimentation layering system 7; a first pipeline communicating component 9 is arranged at the right rear side of the storage tank body 3; and a seventh pipeline communication assembly 15 is arranged at the bottom of the right rear side of the storage tank body 3.

The working principle is as follows: when the storage device for the cyclic impurity removal of the diethyl toluene diamine is used, the first pipeline communicating component 9 is controlled to be opened firstly, then the prepared diethyl toluene diamine stock solution containing the aromatic amine catalyst and the aromatic amine derivative is added into the storage tank body 3 through the first pipeline communicating component 9 until the storage tank body 3 is filled with the diethyl toluene diamine stock solution, then the first pipeline communicating component 9 is closed, then sufficient hydrochloric acid is added into the exhaust isolation feeding system 6 for storage, then the exhaust isolation feeding system 6 is controlled to downwards add hydrochloric acid into the storage tank body 3, then the aromatic amine catalyst and the aromatic amine derivative in the diethyl toluene diamine stock solution in the storage tank body 3 slowly precipitate, and then the precipitate slowly sinks towards the bottom of the storage tank body 3.

After a precipitation period is finished, controlling the precipitation layering system 7 to separate a part of bottom precipitation aggregation from a supernatant part, then controlling the precipitation convergence gas exchange system 8 to carry out centrifugal precipitation on a solution at the lower side part of the precipitation layering system 7, further controlling the precipitation aggregation to the bottom of the conical collection chassis 12, then controlling the second pipeline communication component 13 to be opened, so that the aggregated precipitation and a part of the solution flow out from the second pipeline communication component 13 together until the precipitation does not flow out, and controlling the second pipeline communication component 13 to be closed.

When the sediment and part of the solution flow out downwards, because the rest positions of the storage tank body 3 are sealed, air can enter the storage tank body 3 from the second pipeline communication component 13 upwards due to gas-liquid exchange, then the air is intercepted by the sediment collecting gas exchange system 8, after the second pipeline communication component 13 is closed, the sediment collecting gas exchange system 8 is controlled to discharge the part of the air, and the operation of a sediment period is completed.

And then controlling to open the precipitation layering system 7, continuously maintaining the communication between the upper layer solution and the lower layer solution in the storage tank body 3, realizing the storage of the prepared diethyl toluenediamine stock solution containing the arylamine catalyst and the arylamine derivative, continuously precipitating and layering the solution to precipitate, separate and separate the arylamine catalyst and the arylamine derivative in the storage tank body, avoiding the ion diffusion of the lower layer solution and the upper layer solution in the process of centrifugal precipitation and aggregation through a layering isolation mode, avoiding the secondary dissolution of the precipitated precipitate, avoiding the contact of air and the internal diethyl toluenediamine stock solution in the processes of precipitation separation and solution addition, and ensuring the good chemical property effect of the diethyl toluenediamine stock solution.

After the removal of the diethyltoluenediamine impurity is completed, the seventh pipe communication module 15 may be opened to discharge the diethyltoluenediamine solution for use.

Example 2

4-6, the exhaust isolation charging system 6 comprises a socket 601, a nitrogen storage tank 602, a third pipeline communication assembly 603, a pipe frame plate 604 and an exhaust liquid storage assembly; the top of the storage tank body 3 is provided with an exhaust liquid storage assembly; the top of the mounting table 5 is provided with a socket 601; a nitrogen storage tank 602 is fixedly connected to the inner side of the socket base 601; the middle of the top of the nitrogen storage tank 602 is provided with a third pipeline communication component 603; a pipe frame plate 604 is welded at the top of the right side of the mounting table 5; the top of the pipe frame plate 604 is sleeved in the middle of the outer surface of the third pipeline communicating component 603; the third pipe communicating component 603 is fixedly connected to the exhaust and liquid storage component.

The third pipeline communicating component 603 is controlled to be opened, and then nitrogen in the nitrogen storage tank 602 enters the exhaust liquid storage component along the third pipeline communicating component 603 to exhaust gas in the exhaust liquid storage component, so that a stable nitrogen environment is formed.

The exhaust liquid storage component comprises a reaction liquid storage cabin 605, a sealing top cover 606, a fourth pipeline communication component 607, a fifth pipeline communication component 608, a first top strip-shaped frame plate 609, a first waterproof motor 6010, a second ultrasonic liquid level sensor 6011, an opening liquid adding circular plate 6012, an installation sealing ring 6013, a connection lower liquid plate 6014 and a liquid outlet pipe 6015; the top of the storage tank body 3 is provided with an installation sealing ring 6013; the top of the storage tank body 3 is provided with an inner side fixedly sleeved with a connecting liquid discharging plate 6014; a liquid outlet pipe 6015 is fixedly inserted at the bottom of the liquid discharging plate 6014; the top of the mounting sealing ring 6013 is fixedly connected with a reaction liquid storage cabin 605; a sealing top cover 606 is screwed on the top of the reaction liquid storage cabin 605; a fourth pipeline communication component 607 and a fifth pipeline communication component 608 are arranged at the top of the sealing top cover 606; two ends of the first top strip-shaped frame plate 609 are fixedly connected to the side wall of the reaction liquid storage cabin 605; the middle part of the lower side of the first top strip-shaped frame plate 609 is connected with a first waterproof motor 6010 through bolts; a second ultrasonic liquid level sensor 6011 is installed in the middle of the rear side of the reaction liquid storage cabin 605; an open-hole liquid adding circular plate 6012 is fixedly connected to the bottom of an output shaft of the first waterproof motor 6010; the bottom of the perforated liquid adding circular plate 6012 is slidably connected with a connecting liquid discharging plate 6014; the perforated liquid adding circular plate 6012 is rotatably connected to the reaction liquid storage cabin 605; the upper right side of the third pipeline communicating component 603 is fixedly inserted into the reaction liquid storage tank 605.

Before the third pipeline communicating component 603 is opened, the fourth pipeline communicating component 607 is controlled to be opened, then the third pipeline communicating component 603 is controlled to be opened, further nitrogen in the nitrogen storage tank 602 enters the reaction liquid storage tank 605 along the third pipeline communicating component 603, air in the reaction liquid storage tank 605 is compressed by the nitrogen and overflows from the fourth pipeline communicating component 607 to form continuous nitrogen gas flow, then the fifth pipeline communicating component 608 is controlled to be opened, sufficient hydrochloric acid is added into the reaction liquid storage tank 605 through the fifth pipeline communicating component 608, then the fourth pipeline communicating component 607 and the fifth pipeline communicating component 608 are closed to ensure that no air is reserved in the reaction liquid storage tank 605, then the first waterproof motor 6010 is controlled to drive the perforated liquid adding circular plate 6012 to rotate, then the perforated liquid adding circular plate 6012 rotates, and when the bottom of the perforated liquid adding pipe 6015 is perforated, that is, hydrochloric acid on the top of the perforated liquid adding circular plate 6012 will flow downward into the storage tank 3 along the communicated perforated channels, and the perforated liquid adding circular plates 6012 are rotated to the positions of the six groups of liquid outlet pipes 6015 respectively to complete the uniform addition of hydrochloric acid; the second ultrasonic liquid level sensor 6011 may detect the hydrochloric acid capacity inside the reaction liquid storage tank 605 in real time, so as to facilitate subsequent addition of hydrochloric acid.

Example 3

On the basis of the embodiment 2, as shown in fig. 7-8, the sedimentation layering system 7 comprises a power motor 701, a mounting inserted bar 702, a side opening and closing layering plate 703, a fixed bearing sleeve 704, a bearing frame plate 705, a rotating shaft rod 706, a sliding inserted bar 707, an inserting sliding inserted bar 708, a triangular sedimentation guide column 709, a middle joint plate 7010 and a sedimentation removal assembly; the left side of the top of the motor frame plate 14 is connected with a power motor 701 through a bolt; the middle left part of the front side of the storage tank body 3 is rotatably connected with an installation inserted link 702; the mounting inserted bar 702 is fixedly connected to an output shaft of the power motor 701; the outer surface of the mounting inserted bar 702 is fixedly sleeved with a side opening and closing layering plate 703; the rear side of the installation inserted bar 702 is rotatably connected with a fixed bearing sleeve 704; the fixed bearing sleeve 704 is fixedly inserted in the middle left part of the rear side of the storage tank body 3; two bearing frame plates 705 are arranged on the left side of the top of the storage tank body 3; a rotating shaft rod 706 is rotatably connected to the top between the two bearing frame plates 705; the outer surface of the rotating shaft rod 706 is fixedly sleeved with a sliding inserted rod 707; the right side of the outer surface of the sliding insert rod 707 is connected with an insert sliding sleeve rod 708 in a sliding way; a triangular settlement guide column 709 is welded in the middle of the lower side of the insertion sliding sleeve rod 708; the bottom of the triangular settlement guide column 709 is welded with a middle joint closing plate 7010; a sediment removal assembly is fixedly connected to the left side of the bottom of the sliding insertion rod 707; the bottom of the sediment removal assembly is in contact with the open-close layered plate 703 at the side.

Firstly, hydrochloric acid in the exhaust isolation feeding system 6 is added downwards into the storage tank body 3, then the aromatic amine catalyst and the aromatic amine derivative in the diethyl toluenediamine stock solution in the storage tank body 3 slowly precipitate, then the precipitate slowly sinks towards the bottom of the storage tank body 3, under a normal state, the two side opening and closing layered plates 703 and the middle seam plate 7010 in the middle are in a separated state, namely the two side opening and closing layered plates 703 are in a state of forty-five degrees with the horizontal plane, namely the outer sides of the side opening and closing layered plates 703 are not tightly attached to the inner wall of the storage tank body 3, namely the upper side and the lower side of the storage tank body 3 are in a communicated state, the precipitate passes through a gap between the two side opening and closing layered plates 703 and the middle seam plate 7010 to move downwards, the precipitate can sink downwards from two sides of the triangular settlement guide column 709, and at the moment, the two side opening and closing layered plates 703 are also in a state of forty-five degrees with the horizontal plane, namely, the sediment can also settle downwards, after a settling period is finished, the two power motors 701 are controlled to rotate reversely, then the power motors 701 drive the side opening and closing layered plate 703 to rotate through the installation inserted rod 702, namely, the two side opening and closing layered plates 703 rotate reversely, namely, the two side opening and closing layered plates 703 rotate to the horizontal position, the side opening and closing layered plate 703 drives one side of the sliding inserted rod 707 to move downwards through the bearing frame plate 705 and the rotating shaft rod 706, the sliding inserted rod 707 moves towards the direction far away from the insertion sliding sleeved rod 708, namely, simultaneously the two sliding inserted rods 707 are drawn out from the two sides of the insertion sliding sleeved rod 708, then the two sliding inserted rods 707 drive the insertion sliding sleeved rod 708 to move downwards, namely, the insertion sliding sleeved rod 708 drives the triangular settlement guide column 709 and the middle seam plate 7010 to move downwards, so that the middle seam plate 7010 is attached between the two side opening and closing layered plates 703, and the two side opening-closing layering plates 703 and the middle joint plate 7010 are tightly spliced to form a complete disc, so that the upper side and the lower side of the storage tank body 3 are separated, the upper side and the lower side of the solution in the inner wall of the storage tank body 3 are separated, and the part of the sediment accumulation at the bottom of the storage tank body 3 is separated from the supernatant part.

The sediment removal assembly comprises an elastic telescopic rod 7011 and a cleaning elastic fiber strip 7012; the left side of the bottom of the sliding inserted bar 707 is fixedly connected with an elastic telescopic rod 7011; the bottom of the elastic telescopic rod 7011 is provided with a cleaning elastic fiber strip 7012.

When a sedimentation period is finished, the power motor 701 is controlled to drive the installation inserting rod 702 to reset and rotate, namely, the two side opening and closing layered plates 703 rotate to restore to a state of forty-five degrees with the horizontal plane, the middle seam-closing plate 7010 moves upwards again to leave the two side opening and closing layered plates 703, so as to keep the communication between the upper layer solution and the lower layer solution in the storage tank body 3, in the process of resetting the two side opening and closing layered plates 703, at the moment, the side opening and closing layered plates 703 gradually rotate to incline, meanwhile, the side opening and closing layered plates 703 drive the sliding inserting rod 707 to slide and insert into the inserting sliding sleeve rod 708 through the bearing frame plate 705 and the rotating shaft 706, meanwhile, the sliding inserting rod 707 drives the elastic telescopic rod 7011 to move to the middle part, namely, the elastic telescopic rod 7011 drives the cleaning elastic fiber strip 7012 to move, and simultaneously, because of the elastic telescopic rod 7011 and the cleaning elastic fiber strip 7012, so that the bottom of the cleaning elastic fiber strip 7012 is always attached to the top of the side opening and closing layered plate 703, and further the cleaning elastic fiber strip 7012 can sweep downward and separate a small amount of settled sediment at the top of the side opening and closing layered plate 703.

The power motor 701, the installation inserted bar 702, the side opening and closing layered plate 703, the fixed bearing sleeve 704, the bearing frame plate 705, the rotating shaft rod 706, the sliding inserted bar 707, the elastic telescopic rod 7011 and the cleaning elastic fiber strip 7012 are in a group, and two groups are arranged and are respectively positioned at two sides of the middle joint plate 7010.

That is, by controlling the two side opening and closing layered plates 703, the two side opening and closing layered plates 703 can be spliced with the middle joint plate 7010 in the middle after being rotated to be horizontal to form a circular disc which can be tightly attached to the inside of the storage tank 3, so as to separate the upper side and the lower side of the storage tank 3.

Example 4

On the basis of embodiment 3, as shown in fig. 9-10, the sedimentation and collection gas exchange system 8 includes a first fixedly-connected side column 801, a second fixedly-connected side column 802, an air collection chamber 803, a sixth pipeline communication assembly 804, a second top strip-shaped frame plate 805, a second waterproof motor 806 and a centrifugal power fan blade 807; a first fixedly connected side column 801 is welded at the left lower side inside the storage tank body 3; a second fixedly connected side column 802 is welded at the right lower side inside the storage tank body 3; an air collection cabin 803 is welded between the first fixedly connected side column 801 and the second fixedly connected side column 802; a sixth pipeline communicating component 804 is fixedly connected to the top of the air collecting cabin 803; the outer surface of the sixth pipeline communicating component 804 is fixedly sleeved on the storage tank body 3; a second top strip-shaped frame plate 805 is arranged at the upper part of the inner side of the air collection cabin 803; a second waterproof motor 806 is connected to the middle of the lower side of the second top strip-shaped frame plate 805 through a bolt; the bottom of the output shaft of the second waterproof motor 806 is fixedly connected with a centrifugal power fan blade 807.

After a sedimentation period is finished, controlling the sedimentation layering system 7 to separate a part of bottom sediment aggregation from a supernatant part, then controlling to switch on a power supply of a second waterproof motor 806 to drive a centrifugal power fan blade 807 to rotate, namely the centrifugal power fan blade 807 rotates to drive a solution part below an opening and closing layering plate 703 and a middle seam plate 7010 inside the storage tank body 3 to rotate and centrifuge, further accelerating sedimentation and aggregation of the sediment downwards, namely the sediment can be aggregated to the bottom of a conical collection chassis 12, then controlling a second pipeline communication component 13 to be opened, so that the aggregated sediment and part of the solution flow out from the second pipeline communication component 13 together until the sediment does not flow out, controlling to close the second pipeline communication component 13, and in the process that the sediment and part of the solution flow out downwards, because the rest positions of the storage tank body 3 are sealed, further because of gas-liquid exchange, air can flow upwards into the storage tank body 3 from the second pipeline communication component 13, the gas moves upwards and firstly enters the air collection cabin 803, and enters the sixth pipeline communication component 804 along the top of the air collection cabin 803 for temporary storage, then after the precipitation is finished and the second pipeline communication component 13 is closed, the sixth pipeline communication component 804 is controlled to be opened, due to the pressure of the liquid in the storage tank body 3, the part of air can be pressed out from the opening of the sixth pipeline communication component 804, when the solution overflows, the air is emptied, meanwhile, the next part of hydrochloric acid flows downwards from the reaction liquid storage cabin 605 to the inside of the storage tank body 3, and then the sixth pipeline communication component 804 is closed, so that the air is prevented from contacting with the diethyl toluene diamine stock solution at the upper layer in the storage tank body 3, and the good chemical property of the diethyl toluene diamine stock solution is ensured.

Example 5

On the basis of the embodiment 4, as shown in FIGS. 1 to 3, the ultrasonic liquid level sensor further comprises a first ultrasonic liquid level sensor 10 and a collecting bottom tank 11; a first ultrasonic liquid level sensor 10 is arranged in the middle of the rear side of the storage tank body 3; a collecting bottom tank 11 is arranged below the fixed underframe 4.

The liquid level of the solution in the storage tank body 3 can be monitored and displayed in real time through the first ultrasonic liquid level sensor 10, so that the solution can be stored and taken conveniently; after the accumulated precipitate and a part of the solution flow out of the second pipe communication assembly 13 together, the collection bottom tank 11 collects the part of the precipitate and the part of the solution.

The embodiments described above are provided to enable persons skilled in the art to make or use the invention and that modifications or variations can be made to the embodiments described above by persons skilled in the art without departing from the inventive concept of the present invention, so that the scope of protection of the present invention is not limited by the embodiments described above but should be accorded the widest scope consistent with the innovative features set forth in the claims.