CN207121549U - Diethyl toluene diamine produces pre-processing device - Google Patents
Diethyl toluene diamine produces pre-processing device Download PDFInfo
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- CN207121549U CN207121549U CN201720842947.6U CN201720842947U CN207121549U CN 207121549 U CN207121549 U CN 207121549U CN 201720842947 U CN201720842947 U CN 201720842947U CN 207121549 U CN207121549 U CN 207121549U
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Abstract
The utility model discloses a kind of diethyl toluene diamine to produce pre-processing device, including pre-processing tank, washing cavities, precipitation chamber and adsorbent chamber are provided with the pretreatment tank, the side of pretreatment tank is provided with the feed line connected with washing cavities and washing pipeline, and the end of feed line is connected with sprinkler head；The tank body top down of precipitation chamber is provided with splash-back, and splash-back be arranged in parallel with dividing plate and forms buffering area therebetween, is staggeredly distributed with buffer board in buffering area on the opposite face of splash-back and dividing plate, and the lower end and the bottom of precipitation chamber of splash-back form buffer mouth；The bottom of precipitation chamber, which is located at below buffer mouth, is provided with filter, and the bottom for precipitating chamber is provided with pipeloop, and pipeloop is connected with feed line；Multilayer adsorption layer is interval with adsorbent chamber, the bottom of adsorbent chamber is provided with products export, and the top for pre-processing tank is provided with gaseous phase outlet.The utility model is simple in construction, and product before distillation can be pre-processed, and so as to improve product purity, improves product quality.
Description
Technical field
It the utility model is related to a kind of chemical production equipment, and in particular to a kind of diethyl toluene diamine production pretreatment is set
It is standby.
Background technology
At present, diethyl toluene diamine is a kind of quick amine chain extender, is mainly used in polyurethane and epoxy resin is consolidated
It agent, can also use as the antioxidant of oil product chemical intermediate, be used recently as high ferro Technique Popularizing, in polyurethane
Reaction injection molding and spray polyurea development it is swift and violent, diethyl toluene diamine is as raw material very good on spray polyurea
It is used widely.When preparing diethyl toluene diamine, the catalyst of use is generally aluminium powder, zinc powder, alchlor and alkane
Base aluminium, during synthetic reaction, raw material and catalyst are added, then needs to be passed through ethene, the hydrogen and nitrogen rushed with ethene in kettle
And pressurising heats up, pressure is begun to decline, and alkylated reaction starts, and by controlling ethylene pressure and reaction temperature, works as temperature stabilization
It is declined slightly, ethylene pressure no longer declines, and is considered as reaction and terminates.Reactor product is sent directly into by distillation still by alkylated reaction
Distilled, because reactor product also contains catalyst and a variety of aryl amine derivatives in alkylation process, after so making
The product purity of continuous distillation is not high, influences the quality of final products.
The content of the invention
The defects of the purpose of this utility model exists aiming at prior art, there is provided it is a kind of simple in construction, can be to distillation
Preceding product is pre-processed, and so as to improve product purity, improves the diethyl toluene diamine production pre-processing device of product quality.
The technical solution of the utility model is：Diethyl toluene diamine produces pre-processing device, including pretreatment tank, described
Dividing plate is provided with pretreatment tank, the dividing plate will pre-process tank and be divided into washing cavities and pre-process chamber, in the pretreatment chamber
Between be additionally provided with the overflow plate at the top of upper end and tank body with opening, the overflow plate is divided into precipitation chamber and absorption by chamber is pre-processed
Chamber, the side of the pretreatment tank are provided with the feed line connected with washing cavities, sluicing pipe are also associated with the feed line
Line, the end of the feed line are connected with sprinkler head, and also there is agitator the bottom of the washing cavities by motor connection；
The tank body top down of the precipitation chamber is provided with splash-back, and the splash-back and dividing plate be arranged in parallel and therebetween
Buffering area is formed, buffer board, the splash-back are staggeredly distributed with the opposite face of splash-back and dividing plate in the buffering area
Lower end with precipitation chamber bottom formed buffer mouth；The bottom of the precipitation chamber, which is located at below buffer mouth, is provided with filter,
The bottom of the precipitation chamber is provided with pipeloop, and the pipeloop is connected with feed line；
Multilayer adsorption layer is interval with the adsorbent chamber, the bottom of the adsorbent chamber is provided with products export, the pre- place
The top of reason tank is provided with gaseous phase outlet.
The filter is convex shape structure, and the filter forms the stillpot of annular with precipitating the tank body of chamber, described
The tank body side of precipitation chamber is provided with the sediment discharge line connected with stillpot.
The bottom of the washing cavities, precipitation chamber and adsorbent chamber is inverted cone structure.
The position of the buffer mouth is corresponding with the position of annular stillpot.
Spiral helicine gas-liquid separation pipe is provided with the gaseous phase outlet.
The agitator include the agitating shaft that is connected with motor output shaft and be arranged on agitating shaft with washing cavities bottom
The corresponding stirring vane of shape.
The utility model compared with prior art, has advantages below：It is simple in construction, tank is pre-processed by setting, can
To be purified in advance to the product after alkylated reaction, by salt water washing, precipitation and absorption, product can be made before it is distilled
Purified in advance, the purity of product before so can guarantee that into distillation still, so as to improve the quality of product.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
In figure：1st, tank is pre-processed, 2, dividing plate, 3, washing cavities, 4, overflow plate, 5, precipitation chamber, 6, adsorbent chamber, 7, mother tube
Line, 8, washing pipeline, 9, sprinkler head, 10, motor, 11, agitating shaft, 12, stirring vane, 13, splash-back, 14, buffering area, 15,
Buffer board, 16, buffer mouth, 17, filter, 18, pipeloop, 19, stillpot, 20, sediment discharge line, 21, adsorption layer,
22nd, products export, 23, gaseous phase outlet, 24, gas-liquid separation pipe.
Embodiment
Here is that the utility model is further illustrated in conjunction with the accompanying drawings and embodiments.
Reference picture 1, diethyl toluene diamine production pre-processing device, including pretreatment tank 1, are provided with pretreatment tank 1
Dividing plate 2, tank 1 will be pre-processed by dividing plate 2 and be divided into washing cavities 3 and pretreatment chamber, and the centre for wherein pre-processing chamber is additionally provided with
Upper end and the overflow plate 4 at the top of tank body with opening, precipitation chamber 5 and adsorbent chamber 6 are divided into by chamber is pre-processed by overflow plate 4.
The bottom of washing cavities 3, precipitation chamber 5 and adsorbent chamber 6 is inverted cone structure.
The feed line 7 connected with washing cavities 3 is provided with the side of pretreatment tank 1, is also associated with washing in feed line 7
Pipeline 8, the end of feed line 4 are connected with sprinkler head 9, and the bottom of washing cavities 3 is also connected with agitator by motor 10, its
In, agitator include with motor 10 export axis connection agitating shaft 11 and be arranged on agitating shaft 11 with the bottom shape of washing cavities 3
The corresponding stirring vane 12 of shape, so scrubbed pipeline 8 of cleaning solution enters feed line 7, while raw material also enters raw material
Pipeline 7, it is sprayed to eventually through sprinkler head 9 in washing cavities 3, in order to improve clean result, stirring is set in the bottom of washing cavities 3
Device, drive the stirring vane 12 on agitating shaft 11 to rotate by motor 10, can so improve the mixing effect of cleaning solution and raw material
Fruit, so as to improve detersive efficiency and washing quality.
Be provided with splash-back 13 in the tank body top down of precipitation chamber 5, splash-back 13 and dividing plate 2 be arranged in parallel and therebetween
Buffering area 14 is formed, buffer board 15, splashproof are staggeredly distributed with the opposite face of splash-back 13 and dividing plate 2 in buffering area 14
Buffer mouth 16 is formed on the lower end of plate 13 and the bottom of precipitation chamber 5, by this structure, when the liquid level of washing cavities 3 is higher than 2, dividing plate
When putting, due to setting multiple buffer boards 15 on buffering area 14, buffering can be passed through by the overflow of buffering area 14 to precipitating in chamber 5
Plate 15 can play a part of stopping buffering to the liquid that top overflow is got off, and be prevented from directly entering precipitation chamber 5 to precipitating intracavitary
Liquid produce impact, can so improve sedimentation effect.
The lower section for being located at buffer mouth 16 in the bottom of precipitation chamber 5 is provided with filter 17, and filter 17 is convex shape structure,
The tank body of filter 17 and precipitation chamber 5 forms the stillpot 19 of annular, is provided with the tank body side of precipitation chamber 5 and connects with stillpot 19
Logical sediment discharge line 20, the annular of the precipitate bulks such as catalyst to filter 17 can be precipitated by filter 17
In groove 19, and discharged eventually through sediment discharge line 20, and pipeloop 18 is provided with the bottom of precipitation chamber 5, circulation pipe
Line 18 is connected with feed line 7, can so be entered in washing cavities 3 liquid circulation precipitated in chamber 5, can be played repetitive cycling and wash
The effect washed.
Multilayer adsorption layer 21 is interval with adsorbent chamber 6, the bottom of adsorbent chamber 6 is provided with products export 22, pretreatment tank 1
Top is provided with gaseous phase outlet 23.After the height for precipitating the liquid arrival overflow plate 4 in chamber 5, adsorbent chamber 6 is entered by overflow plate 4
It is interior, filtering absorption at this moment can be carried out to impurity etc. by the adsorption layer 21 of multilayer, so as to improve the liquid positioned at the bottom of adsorbent chamber 6
The purity of body, it is easy to enter in distillation still by products export 22 and is distilled.The caused gas phase in whole preprocessing process
Discharged by gaseous phase outlet 23.
The position of buffer mouth 16 is corresponding with the position of annular stillpot 19, can so make the liquid for entering precipitation chamber 5
Directly filtered by the annular stillpot 19 on filter 17, and impurity etc. is remained in stillpot 19, be easy to discharge.
Spiral helicine gas-liquid separation pipe 24 is provided with gaseous phase outlet 23.Can be to prevent by spiral helicine gas-liquid separation pipe 24
Partially liq is carried when only gas is discharged to discharge from gaseous phase outlet 23, when can extend gas discharge by spiral helicine pipeline
Between, so that after liquid touches the inwall of gas-liquid separation pipe 24, flowed into along its inwall in pretreatment tank 1, prevent outer row from causing
Waste.
Operation principle：
Also scrubbed pipeline 8 enters feed line 7 to cleaning solution, and raw material also enters feed line 7, eventually through sprinkler head
9 are sprayed in washing cavities 3, while motor 10 drives the stirring vane 12 on agitating shaft 11 to rotate, and can so improve cleaning solution
With the mixed effect of raw material, so as to improve the detersive efficiency of raw material and washing quality；When the liquid level of washing cavities 3 is higher than dividing plate 2
Position when, can by the overflow of buffering area 14 to precipitate chamber 5 in, due to setting multiple buffer boards 15 on buffering area 14, pass through
Buffer board 15 can play a part of stopping buffering to the liquid that top overflow is got off, and be prevented from directly entering precipitation chamber 5 to precipitation
The liquid of intracavitary produces impact, can so improve sedimentation effect, into precipitation chamber 5 liquid by the effect of filter 17, can
So that impurity etc. is remained in stillpot 19, and discharged eventually through sediment discharge line 20, meanwhile, in order to improve purity,
The liquid circulation precipitated in chamber 5 can be entered in washing cavities 3 by pipeloop 18, repetitive cycling washing can be played a part of；
When the liquid level in precipitation chamber 5 is higher than the position of overflow plate 4, the liquid after sedimentation is entered in adsorbent chamber 6 by overflow plate 4, this
When filtering absorption can be carried out to impurity etc. by the adsorption layer 21 of multilayer, so as to improve the liquid positioned at the bottom of adsorbent chamber 6
Purity, the product after the final bottom of adsorbent chamber 6 absorption is entered in distillation still by products export 22 to be distilled, at whole pre- place
Caused gas phase is discharged by gaseous phase outlet 23 during reason.Whole process can realize automation, and valve is set on each bar pipeline
Door, is easy to control.
The utility model is not limited to above-mentioned embodiment, in those skilled in the art's possessed knowledge,
It can also be made a variety of changes on the premise of the utility model aims are not departed from, the content after change still falls within the utility model
Protection domain.
Claims (6)
1. diethyl toluene diamine produces pre-processing device, it is characterised in that：Including pre-processing tank, it is provided with the pretreatment tank
Dividing plate, the dividing plate by pre-process tank be divided into washing cavities and pretreatment chamber, it is described pretreatment chamber centre be additionally provided with upper end with
There is the overflow plate of opening, the overflow plate is divided into precipitation chamber and adsorbent chamber, the pretreatment by chamber is pre-processed at the top of tank body
The side of tank is provided with the feed line connected with washing cavities, is also associated with washing pipeline, the mother tube in the feed line
The end of line is connected with sprinkler head, and also there is agitator the bottom of the washing cavities by motor connection；
The tank body top down of the precipitation chamber is provided with splash-back, and the splash-back be arranged in parallel with dividing plate and formed therebetween
Buffering area, is staggeredly distributed with buffer board in the buffering area on the opposite face of splash-back and dividing plate, under the splash-back
Buffer mouth is formed on end and the bottom of precipitation chamber；The bottom of the precipitation chamber, which is located at below buffer mouth, is provided with filter, described
The bottom of precipitation chamber is provided with pipeloop, and the pipeloop is connected with feed line；
Multilayer adsorption layer is interval with the adsorbent chamber, the bottom of the adsorbent chamber is provided with products export, the pretreatment tank
Top be provided with gaseous phase outlet.
2. diethyl toluene diamine according to claim 1 produces pre-processing device, it is characterised in that：The filter is
The tank body of convex shape structure, the filter and precipitation chamber forms the stillpot of annular, and the tank body side of the precipitation chamber is provided with
The sediment discharge line connected with stillpot.
3. diethyl toluene diamine according to claim 2 produces pre-processing device, it is characterised in that：The washing cavities,
The bottom for precipitating chamber and adsorbent chamber is inverted cone structure.
4. diethyl toluene diamine according to claim 3 produces pre-processing device, it is characterised in that：The buffer mouth
Position is corresponding with the position of annular stillpot.
5. diethyl toluene diamine according to claim 1 produces pre-processing device, it is characterised in that：The gaseous phase outlet
Place is provided with spiral helicine gas-liquid separation pipe.
6. diethyl toluene diamine according to claim 1 produces pre-processing device, it is characterised in that：The agitator bag
Include and the agitating shaft of motor output shaft connection and the stirring vane corresponding with washing cavities bottom shape being arranged on agitating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720842947.6U CN207121549U (en) | 2017-07-12 | 2017-07-12 | Diethyl toluene diamine produces pre-processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720842947.6U CN207121549U (en) | 2017-07-12 | 2017-07-12 | Diethyl toluene diamine produces pre-processing device |
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| Publication Number | Publication Date |
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| CN207121549U true CN207121549U (en) | 2018-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720842947.6U Active CN207121549U (en) | 2017-07-12 | 2017-07-12 | Diethyl toluene diamine produces pre-processing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113772280A (en) * | 2021-08-16 | 2021-12-10 | 蔡友军 | Storage device of diethyl toluenediamine circulation edulcoration |
-
2017
- 2017-07-12 CN CN201720842947.6U patent/CN207121549U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113772280A (en) * | 2021-08-16 | 2021-12-10 | 蔡友军 | Storage device of diethyl toluenediamine circulation edulcoration |
| CN113772280B (en) * | 2021-08-16 | 2023-08-11 | 南京南华航空产业有限公司 | Storage device for diethyl toluenediamine circulation impurity removal |
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