CN206622109U - A kind of sebacic dinitrile is synthetically produced to use reaction unit - Google Patents
A kind of sebacic dinitrile is synthetically produced to use reaction unit Download PDFInfo
- Publication number
- CN206622109U CN206622109U CN201720264036.XU CN201720264036U CN206622109U CN 206622109 U CN206622109 U CN 206622109U CN 201720264036 U CN201720264036 U CN 201720264036U CN 206622109 U CN206622109 U CN 206622109U
- Authority
- CN
- China
- Prior art keywords
- nitrile
- cylinder
- ammonia
- thick
- receiving tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
A kind of sebacic dinitrile is synthetically produced to use reaction unit, the device includes ammoniation kettle, ammonia cooler, gas-liquid separator, thick nitrile receiving tank, thick nitrile delivery pump, thick nitrile distillation still, thick nitrile destilling tower, smart nitrile cooler, smart nitrile receiving tank, high low boiling receiving tank and pumped vacuum systems.Ammoniation kettle in the device can preferably realize the adjustment of the reaction condition parameters such as abundant contact and temperature, the pressure of reaction mass, ensure the abundant ammonification of material, synthetic process also realizes abundant, the reasonable utilization of material to greatest extent in itself, ensure that the income and purity of finished product sebacic dinitrile.Sebacic dinitrile is synthetically produced rationally distributed with reaction unit, and process operability is strong, multiple parts in reaction unit, such as ammoniation kettle, thick nitrile distillation still, temperature controllability is good, easy to operate, reaction unit entirety material recycle rate is high, finished product accuracy and quality better.
Description
Technical field
It the utility model is related to the synthetically prepared technical field of sebacic dinitrile, specifically a kind of synthetically produced use of sebacic dinitrile
Reaction unit and sebacic dinitrile synthetic process.
Background technology
Sebacic dinitrile is a kind of important industrial chemicals, is mainly used in synthetic nylon 1010, it can also be used to pharmacy and printing and dyeing etc.
Industry.The entitled polysebacate decamethylenediamineand of nylon 1010 chemistry, abbreviation nylon 1010（PA1010）, it is the exclusive nylon production in China
Product, by Shanghai, Sai Huluo factories go into operation earliest.PA1010 is to be made by decamethylene diamine and decanedioic acid by polycondensation, and decamethylene diamine is by the last of the ten Heavenly stems two
Hydrogenation of nitriles is made.
Mainly there are three kinds for the preparation method of sebacic dinitrile in the prior art：1st, the contracting of acetonitrile and 1,6- dibromo-hexanes is utilized
Reaction is closed to be made；2nd, trifluoro-acetic anhydride dehydrating agent is added by decanediamide to prepare；3rd, using strengthening temperature method by decanedioic acid ammonolysis
It is prepared by dehydration.In the process of sebacic dinitrile is prepared using decanedioic acid ammonolysis dehydration, amination steps are to ensure finished product purity, life
Produce the key of efficiency etc..The amination steps reaction time itself is longer, and the operating procedure such as temperature adjustment is more complicated, existing sebacic dinitrile
It is synthetically produced with device due to the irrationality of reactor structure in aminating reaction, easily cause the reaction time mistake of amination steps
Long, operation temperature is difficult to accurately hold, and aminating reaction is incomplete, and organic matter easily carbonizes in building-up process, and byproduct is more, production effect
Rate is low, and the production precision of finished product is also difficult to ensure that.
Therefore, design and prepare that a kind of sebacic dinitrile is synthetically produced to use process equipment, and using the equipment research go out it is a set of compared with
Good sebacic dinitrile synthetic process is actually necessary for the production for industrial chemicals sebacic dinitrile.
Utility model content
In order to solve the above-mentioned technical problem, it is synthetically produced with reaction unit and the last of the ten Heavenly stems to provide a kind of sebacic dinitrile for the utility model
Dintrile synthetic process.Ammoniation kettle in the device can preferably realize abundant contact and temperature, the pressure of reaction mass
Deng the adjustment of reaction condition parameter, ensure the abundant ammonification of material, synthetic process also realizes thing to greatest extent in itself
Abundant, the reasonable utilization of material, ensure that the income and purity of finished product sebacic dinitrile.
The utility model is in order to solve the above technical problems, used technical scheme is：A kind of synthetically produced use of sebacic dinitrile
Ammoniation kettle, including cylindric cylinder, the expansion buffer that is connected at the top of cylinder and be arranged on and expand the upper of buffer top
Separator, offers ammonia imports and material inlet in the side wall of the cylinder, wherein ammonia imports with set in cylinder one
Root appendix connects, and for ammonia to be delivered to the bottom of cylinder, is connected with ammonia distributor in the end of appendix, the ammonia
Distributor is provided with a plurality of jet pipeline being radially distributed, and offers multiple puff prots on every jet pipeline, in cylinder
The heat-conducting oil heating system for being heated to material in cylinder is additionally provided with the outer surface of body, the heat-conducting oil heating system
It is set in cylinder and is located at the lower position of ammonia imports and material inlet, and avoids the discharging opening positioned at cylinder body bottom；
Described expansion buffer is made up of upper conus portion, middle cylindrical portion and lower conus portion, wherein, upper conus portion and lower circle
Tapering coordinates with upper separator and cylinder respectively docks, and the joint of upper conus portion and upper separator is additionally provided with ammonia outlet control
Valve processed, and the diameter of middle cylindrical portion is more than the diameter of cylinder.
Heat conductive oil inlet and conduction oil outlet, heat conductive oil inlet and conduction oil are provided with described heat-conducting oil heating system
Outlet is separately mounted to the top of heat-conducting oil heating system outer surface side and the bottom of opposite side.
The thermometer measured for installing thermometer to cylinder body temperature is additionally provided with heat-conducting oil heating system
Socket.
The height of the heat-conducting oil heating system is the 2/3-3/4 of cylinder height.
Described appendix is vertically arranged on the axis of cylinder.
3-5 times of a diameter of barrel diameter of cylindrical portion in the expansion buffer.
A kind of sebacic dinitrile is synthetically produced to use reaction unit, the device include ammoniation kettle, ammonia cooler, gas-liquid separator,
Thick nitrile receiving tank, thick nitrile delivery pump, thick nitrile distillation still, thick nitrile destilling tower, smart nitrile cooler, smart nitrile receiving tank, high low boiling receive
Tank and pumped vacuum systems, the port of export of upper separator and the entrance point of ammonia cooler connect in the ammoniation kettle, ammonia cooling
The port of export of device and the entrance point of gas-liquid separator are connected, and ammonia is also respectively provided with the top of gas-liquid separator and bottom and is returned
Close up and ammoniacal liquor floss hole, the discharging opening of the ammoniation kettle are connected with thick nitrile receiving tank, the thick nitrile receiving tank is conveyed by thick nitrile
Its materials inside is delivered in thick nitrile distillation still by pump, and heat-conducting oil heating system is also arranged with the outer surface of the thick nitrile distillation still
System, the slag notch connected with the circulation of the material inlet of ammoniation kettle is additionally provided with the bottom of thick nitrile distillation still, and described thick nitrile steams
The top that tower is arranged on thick nitrile distillation still is evaporated, and the thick nitrile destilling tower is connected with the entrance point of smart nitrile cooler, smart nitrile cooler
The port of export be connected with smart nitrile receiving tank and high low boiling receiving tank.
Beneficial effect：
1st, a kind of sebacic dinitrile of the present utility model is synthetically produced completes ammonia and decanedioic acid and catalyst with ammoniation kettle
Fully contacted to greatest extent Deng material, be easy to controlling reaction temperature in structure, preferable ammonification early stage can be realized, ensure that
The purity and quality of finished product sebacic dinitrile.The setting of ammonia distributor in ammoniation kettle, enable ammonia fully, completely whole anti-
Should during fully contacted with materials such as decanedioic acid, the reaction efficiency of raising, the also less waste of material.Heat-conducting oil heating system
The setting of system may be implemented in the reaction temperature progress controllable adjustment at any time to being carried out in ammoniation kettle outside cylinder, enhances and reacted
The artificial operability of journey, it is easy to hold extent of reaction.The setting of the narrow expansion buffer in middle part width two can make in material
Unreacted ammonia, due to container body product moment, is sufficiently expanded and gasified in uphill process, take away to greatest extent by
The moisture of generation is reacted in the water smoking in aminating reaction later stage of decanedioic acid generation sebacic dinitrile, driving a reaction balance is positive mobile,
So as to improve the conversion ratio of reaction rate and decanedioic acid, the trouble of follow-up removal of impurities processing is reduced.Meanwhile the expansion in reaction unit
The setting of buffer, additionally it is possible to by the volume difference on flow direction, significantly reduce ammonia flow velocity, then reduce ammonia and take out of
Sebacic dinitrile, ammonia usage amount is reduced in the case of ensureing that water outlet is normal, that is, improves ammonia utilization rate, has saved cost.
2nd, a kind of sebacic dinitrile of the present utility model is synthetically produced rationally distributed with reaction unit, and process operability is strong, instead
Multiple parts in device, such as ammoniation kettle, thick nitrile distillation still are answered, temperature controllability is good, easy to operate, and reaction unit is overall
Material recycle rate is high, finished product accuracy and quality better.
Brief description of the drawings
Fig. 1 is the structural representation of ammoniation kettle in the utility model；
Fig. 2 is process chart of the present utility model；
Reference：1st, ammoniation kettle, 101, cylinder, 102, expand buffer, 103, upper separator, 104, ammonia imports,
105th, material inlet, 106, appendix, 107, ammonia distributor, 108, heat-conducting oil heating system, 108a, heat conductive oil inlet,
108b, conduction oil outlet, 108c, thermometer socket, 109, discharging opening, 1010, ammonia outlet control valve, 2, ammonia cooler,
3rd, gas-liquid separator, 301, Ammonia recovery mouth, 302, ammoniacal liquor floss hole, 4, thick nitrile receiving tank, 5, thick nitrile delivery pump, 6, thick nitrile steams
Evaporate kettle, 601, slag notch, 7, thick nitrile destilling tower, 8, smart nitrile cooler, 9, smart nitrile receiving tank, 10, high low boiling receiving tank.
Embodiment
The utility model is described in more detail with specific embodiment below in conjunction with the accompanying drawings：
A kind of sebacic dinitrile is synthetically produced to use reaction unit, mainly include ammoniation kettle 1, ammonia cooler 2, gas-liquid separator 3,
Thick nitrile receiving tank 4, thick nitrile delivery pump 5, thick nitrile distillation still 6, thick nitrile destilling tower 7, smart nitrile cooler 8, smart nitrile receiving tank 9, height
The cooling system set in boiling receiving tank 10 and pumped vacuum systems and multiple equipment.
Nucleus equipment therein is ammoniation kettle 1, and ammoniation kettle includes cylindric cylinder 101, is connected to the expansion at the top of cylinder 101
Big buffer 102 and the upper separator 103 for expanding the top of buffer 102 is arranged on, ammonia is offered in the side wall of cylinder 101
Import 104 and material inlet 105, wherein ammonia imports 104 connect with an appendix 106 being vertically arranged in cylinder 101, should
Appendix 106 overlaps with the axis of cylinder 101, for ammonia to be delivered to the bottom of cylinder 101, at the end of appendix 106
End is connected with ammonia distributor 107, and the ammonia distributor 107 is provided with a plurality of jet pipeline being radially distributed, and every spray
Multiple puff prots are offered on gas pipeline, are additionally provided with the outer surface of cylinder 101 for being carried out to material in cylinder 101
The heat-conducting oil heating system 108 of heating, the heat-conducting oil heating system 108 are set in cylinder 101 and are located at ammonia imports 104 and material
The lower position of import 105, and the discharging opening 109 positioned at the bottom of cylinder 101 is avoided, the height of heat-conducting oil heating system 108 is
The 2/3-3/4 of the height of cylinder 101, heat conductive oil inlet 108a and conduction oil outlet 108b are provided with heat-conducting oil heating system 108,
Wherein, heat conductive oil inlet 108a is arranged on the top of the outer surface side of heat-conducting oil heating system 108, and conduction oil outlet 108b is set
In the bottom of the outer surface opposite side of heat-conducting oil heating system 108, conduction oil is in heat conductive oil inlet 108a and conduction oil outlet 108b
Between be cycling in and out, realize the heating to material in cylinder 101, be additionally provided with heat-conducting oil heating system 108 for cylinder
The thermometer socket 108c that temperature measures in body 101.
Described expansion buffer 102 is made up of upper conus portion, middle cylindrical portion and lower conus portion, wherein, upper conus portion and
Lower conus portion coordinates with upper separator 103 and cylinder 101 respectively to be docked, and the joint of upper conus portion and upper separator 103 is also set
Ammonia outlet control valve 1010 is equipped with, and the diameter of middle cylindrical portion is more than the 3-5 of the diameter, the about diameter of cylinder 101 of cylinder 101
Times.
The port of export of upper separator 103 is connected with the entrance point of ammonia cooler 2 in the ammoniation kettle 1, ammonia cooler 2
The port of export be connected with the entrance point of gas-liquid separator 3, be also respectively provided with the top of gas-liquid separator 3 and bottom ammonia return
Closing in 301 and ammoniacal liquor floss hole 302, the discharging opening 109 of the ammoniation kettle 1 are connected with thick nitrile receiving tank 4, the thick nitrile receiving tank 4
Its materials inside is delivered in thick nitrile distillation still 6 by thick nitrile delivery pump 5, also covered on the outer surface of the thick nitrile distillation still 6
Provided with heat-conducting oil heating system, it is additionally provided with the bottom of thick nitrile distillation still 6 and is connected with the circulation of the material inlet of ammoniation kettle 1 105
Slag notch 601, described thick nitrile destilling tower 7 is arranged on the top of thick nitrile distillation still 6, and the thick nitrile destilling tower 7 and smart nitrile are cold
But the entrance point connection of device 8, the port of export of smart nitrile cooler 8 are connected with smart nitrile receiving tank 9 and high low boiling receiving tank 10.
A kind of process of sebacic dinitrile synthesis, comprises the following steps：
1st, first, the heat-conducting oil heating system 108 in ammoniation kettle 1 is opened, by the heat-conducting oil heating system 108 of ammoniation kettle 1
The temperature of conduction oil is set as 160 DEG C.
2nd, when temperature is increased to 130-150 DEG C in ammoniation kettle 1, the pumped vacuum systems in opening device, gas-liquid point is opened
From the vacuum valve on device 3, enable pumped vacuum systems and vacuumize process is carried out to ammoniation kettle 1.
3rd, when vacuum reaches -0.05Mpa in ammoniation kettle 1, ammonia is led into ammoniation kettle 1 by ammonia imports 104, this
When to control ammonia flow be 0.6-1m3/h。
4th, the valve of 1 material inlet of ammoniation kettle 105 is opened, the last of the ten Heavenly stems two of the half volume of cylinder 101 is added into ammoniation kettle 1
Acid about 200kg.
5th, the silicon that added decanedioic acid quality 0.5-1% particle diameter is 3-5mm is added again by the material inlet 105 of ammoniation kettle 1
Glue particle,（The silica gel particle is obtained by drying 45-55hh after phosphoric acid dip）, the vacuum valve on gas-liquid separator 3 is turned off,
Stopping vacuumizes.
6th, the flow for adjusting ammonia at ammonia imports 104 is 2-3m3/h（The too big easily binary acid airborne dust of flow）, emptying ammonia
Change air in kettle 1.
7th, after the completion of feeding intake, decanedioic acid melts heat absorption, and kettle temperature declines in ammoniation kettle 1, now adjusts the conduction oil of ammoniation kettle 1 and adds
The temperature of conduction oil is 190 DEG C in hot systems 108, when temperature is increased to 140 DEG C in ammoniation kettle 1, is largely passed through ammonia, is adjusted
The flow of ammonia is 4-6m at ammonia imports 1043/h。
8th, when temperature is increased to 150 DEG C in ammoniation kettle 1, the flow for adjusting ammonia at ammonia imports 104 is 6-8m3/ h,
The recirculated water in ammonia cooler 2 is opened simultaneously to being condensed into gas therein, is recorded the time of water outlet, is worked as ammoniation kettle
When temperature is increased to 170-180 DEG C in 1, material in ammoniation kettle 1 is controlled to carry out first set reaction 3h at such a temperature.
9th, after first set reaction 3h, the temperature for adjusting conduction oil in the heat-conducting oil heating system 108 of ammoniation kettle 1 is 310 DEG C, when
When temperature is increased to 280-300 DEG C in ammoniation kettle 1, the flow for adjusting ammonia at ammonia imports 104 is 6-8m3/ h, carry out second
Secondary response 3h.
10th, after the second secondary response 3h, the temperature for adjusting conduction oil in the heat-conducting oil heating system 108 of ammoniation kettle 1 is 340 DEG C,
The temperature in the kettle of ammoniation kettle 1 is slowly heated up, when temperature is increased to 330-335 DEG C in ammoniation kettle 1, carry out third time reaction 4h,
And in third time course of reaction, the flow of ammonia at ammonia imports 104 is adjusted by 6-8m3/ h is gradually decrease to 2m3/ h, then
Terminating reaction.
The 11st, material that step 4 is completed to third time reaction is connect by the discharging of discharging opening 109 to the thick nitrile of the bottom of cylinder 101
In closed cans 4, afterwards, material is imported in thick nitrile distillation still 6 by thick nitrile delivery pump 5, opens the conduction oil in thick nitrile distillation still 6
Heating system, the temperature of conduction oil in the system is set as 220 DEG C, open the recirculated water in smart nitrile cooler 8 to entering wherein
Gas condensed, and enable pumped vacuum systems to the thick vacuumize process of nitrile distillation still 6, make vacuum in thick nitrile distillation still 6
It is maintained at -0.098Mpa.
12nd, when the thick tower top temperature of nitrile destilling tower 7 rises to 200 DEG C, the smart valve of nitrile receiving tank 9 is opened, receives smart nitrile
Tank 9 is collected to the distillate that the thick tower top temperature of nitrile destilling tower 7 is 200-220 DEG C, when the thick tower top temperature of nitrile destilling tower 7 exceedes
At 220 DEG C, the smart valve of nitrile receiving tank 9 is closed, and opens the valve of high-boiling components receiving tank 10, high-boiling components receiving tank 10 is steamed thick nitrile
Evaporate high-boiling components of the tower top temperature of tower 7 more than 220 DEG C to be collected, collected high-boiling components are used for ammonification in the high-boiling components receiving tank 10
Recycled in kettle 1, collected material is finished product sebacic dinitrile in smart nitrile receiving tank 9.
The adjustment that sebacic dinitrile synthetic process passes through the reaction condition parameter such as reaction temperature, pressure during aminating reaction
And limitation, reacted using the heavier-duty multistage of three steps in ammoniation kettle, substantially reduce the time of aminating reaction, avoided
Machine thing carbonizes the appearance of phenomenon, reduces the generation of reaction by-product, improves production efficiency.The parts such as thick nitrile distillation still are set
Put and preferable purification also has been carried out to sebacic dinitrile crude product to greatest extent, ensure that the yield and purity of finished product sebacic dinitrile.
The specifically chosen silica gel particle using the drying process through phosphoric acid dip and 45-55h of sebacic dinitrile synthetic process
As catalysts.Silica gel particle is a kind of high activity sorbing material, belongs to amorphous substance, and its chemical molecular formula is
mSiO2·nH2O, obtained through silicic acid gel drying and dehydrating.Its not soluble in water and any solvent, nonpoisonous and tasteless, chemical property is stable,
Do not reacted in addition to highly basic, hydrofluoric acid with any material.Adsorbed in the micropore of silica gel particle after phosphoric acid fully soaks
A large amount of phosphoric acid, in 165 DEG C of drying in oven 50 hours or so, phosphoric acid and silica gel all can be further dehydrated, and phosphoric acid takes off when heated
Water, sequentially generate the metaphosphoric acid of pyrophosphoric acid, triphosphoric acid and poly.Wherein, triphosphoric acid is chain structure, and the metaphosphoric acid of poly is ring
Shape structure.The metaphosphoric acid of active ingredient pyrophosphoric acid, triphosphoric acid and poly that phosphoric acid is thermally generated can be attached in silica gel micropore,
In course of reaction, reduce phosphoric acid reclaimed water to the inhibitory action of reaction, and ensure that its active ingredient is not lost in, so as to accelerate to react into
Journey.
Specifically chosen fully soaked through phosphoric acid is urged with the conduct of dried silica gel particle in synthesis technique of the present utility model
Agent.Phosphoric acid is dehydrated when heated, sequentially generates the metaphosphoric acid of pyrophosphoric acid, triphosphoric acid and poly.Triphosphoric acid is chain structure, poly
Metaphosphoric acid be cyclic structure.Silica gel particle is a kind of high activity sorbing material simultaneously, belongs to amorphous substance, its chemical molecular formula
For mSiO2·nH2O, obtained through silicic acid gel drying and dehydrating, main component can not be said to be SiO2.Not soluble in water and any solvent,
Nonpoisonous and tasteless, chemical property is stable, is not reacted in addition to highly basic, hydrofluoric acid with any material.After phosphoric acid fully soaks
A large amount of phosphoric acid are adsorbed in the micropore of silica gel particle, in 165 DEG C of drying in oven 50 hours or so, phosphoric acid and silica gel can all enter
One step is dehydrated, and the metaphosphoric acid of its active ingredient pyrophosphoric acid, triphosphoric acid and poly can be attached in silica gel micropore, in course of reaction
In, inhibitory action of the phosphoric acid reclaimed water to reaction is reduced, and ensure that its active ingredient is not lost in.
One shares three stages of reaction in sebacic dinitrile synthesis technique of the present utility model：
First stage, decanedioic acid and ammonia reaction, firstly generate decanedioic acid mononitrile, and its optimum temperature is 170-180 DEG C.Cause
This is needed under the conditions of 170-180 DEG C, is ensured that decanedioic acid mononitrile fully produces, will be produced substantial amounts of water in this stage, pass through
Excess of ammonia gas brings out the water of generation.
Second stage, in sebacic dinitrile generating process, the production of second nitrile key then needs to carry out at relatively high temperatures, its
Optimum temperature is 280-300 DEG C, therefore reaction temperature is in the process taken out of water using excess of ammonia gas at 280-300 DEG C
System.
Phase III, referred to as high temperature dehydration stage, it is known that organic chemistry reaction belongs to reversible reaction, ensureing to produce
Reaction product is removed into reaction system as far as possible on the premise of product purity and color number, so needing in 330-335 DEG C of condition
Under, a small amount of ammonia takes device energy water out of system.
Synthesis technique of the present utility model is energy-saving, and process operability is good, and reaction mass recovery utilization rate is high, reaction
Cycle is short, and production efficiency is high, and operating flexibility is good, and finished product sebacic dinitrile high income, purity are good.After measured：It is prepared by the utility model
Finished product sebacic dinitrile in smart nitrile content reach 99.86%, finished product freezing point is 7.3 DEG C.Yield is 81%.
The synthesis producer of middle sebacic dinitrile --- for Shanghai match coral Luo, sebacic dinitrile of the present utility model closes compared with the prior art
The reaction time is substantially reduced into technique, improves the conversion ratio of decanedioic acid, also further increases the product quality of sebacic dinitrile.
Synthesized polymer level decamethylene diamine is prepared by raw material of sebacic dinitrile prepared by the utility model, obtained nylon 1010, its intensity and tough
The indexs such as property are above current synthetic method.
Claims (7)
1. a kind of sebacic dinitrile is synthetically produced to use ammoniation kettle, it is characterised in that：Including cylindric cylinder（101）, be connected to cylinder
（101）The expansion buffer at top（102）And it is arranged on expansion buffer（102）The upper separator of upper end（103）, the cylinder
Body（101）Ammonia imports are offered in the side wall at top（104）And material inlet（105）, wherein ammonia imports（104）With
Cylinder（101）A piece appendix of interior setting（106）Connection, for ammonia to be delivered into cylinder（101）Bottom, in appendix
（106）End be connected with ammonia distributor（107）, the ammonia distributor（107）Provided with a plurality of jet being radially distributed
Pipeline, and multiple puff prots are offered on every jet pipeline, in cylinder（101）Outer surface on be additionally provided with for cylinder
Body（101）The heat-conducting oil heating system that interior material is heated（108）, the heat-conducting oil heating system（108）It is set in cylinder
（101）Positioned at ammonia imports（104）And material inlet（105）Lower position, and avoid being located at cylinder（101）The discharging of bottom
Mouthful（109）；
Described expansion buffer（102）It is made up of upper conus portion, middle cylindrical portion and lower conus portion, wherein, upper conus portion is with
Conus portion respectively with upper separator（103）And cylinder（101）Coordinate docking, upper conus portion and upper separator（103）Joint
It is additionally provided with ammonia outlet control valve（1010）, and the diameter of middle cylindrical portion is more than cylinder（101）Diameter.
2. a kind of sebacic dinitrile according to claim 1 is synthetically produced to use ammoniation kettle, it is characterised in that：Described conduction oil adds
Hot systems（108）In be provided with heat conductive oil inlet（108a）And conduction oil outlet（108b）, heat conductive oil inlet（108a）And heat conduction
Oil export（108b）It is separately mounted to heat-conducting oil heating system（108）The top of outer surface side and the bottom of opposite side.
3. a kind of sebacic dinitrile according to claim 1 is synthetically produced to use ammoniation kettle, it is characterised in that：In heat-conducting oil heating system
System（108）In be additionally provided with for installing thermometer to cylinder（101）The thermometer socket that interior temperature measures（108c）.
4. a kind of sebacic dinitrile according to claim 1 is synthetically produced to use ammoniation kettle, it is characterised in that：The heat-conducting oil heating
System（108）Height be cylinder（101）The 2/3-3/4 of height.
5. a kind of sebacic dinitrile according to claim 1 is synthetically produced to use ammoniation kettle, it is characterised in that：Described appendix
（106）It is vertically arranged in cylinder（101）Axis on.
6. a kind of sebacic dinitrile according to claim 1 is synthetically produced to use ammoniation kettle, it is characterised in that：The expansion buffer
（102）A diameter of cylinder of middle cylindrical portion（101）3-5 times of diameter.
7. a kind of sebacic dinitrile is synthetically produced to use reaction unit, it is characterised in that：The device includes any right in claim 1-6
It is required that described sebacic dinitrile is synthetically produced to use ammoniation kettle（1）, ammonia cooler（2）, gas-liquid separator（3）, thick nitrile receiving tank
（4）, thick nitrile delivery pump（5）, thick nitrile distillation still（6）, thick nitrile destilling tower（7）, smart nitrile cooler（8）, smart nitrile receiving tank（9）, it is high
Low boiling receiving tank（10）And pumped vacuum systems, the ammoniation kettle（1）In upper separator（103）The port of export and ammonia cooler
（2）Entrance point connection, ammonia cooler（2）The port of export and gas-liquid separator（3）Entrance point connection, in gas-liquid separator
（3）Top and bottom be also respectively provided with Ammonia recovery mouth（301）With ammoniacal liquor floss hole（302）, the ammoniation kettle（1）Go out
Material mouth（109）With thick nitrile receiving tank（4）Connection, the thick nitrile receiving tank（4）Pass through thick nitrile delivery pump（5）Its materials inside is conveyed
To thick nitrile distillation still（6）It is interior, the thick nitrile distillation still（6）Outer surface on be also arranged with heat-conducting oil heating system, thick nitrile steam
Evaporate kettle（6）Bottom be additionally provided with and ammoniation kettle（1）Material inlet（105）Circulate the slag notch of connection（601）, described is thick
Nitrile destilling tower（7）It is arranged on thick nitrile distillation still（6）Top, and the thick nitrile destilling tower（7）With smart nitrile cooler（8）Entrance point
Connection, smart nitrile cooler（8）The port of export and smart nitrile receiving tank（9）With high low boiling receiving tank（10）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720264036.XU CN206622109U (en) | 2017-03-17 | 2017-03-17 | A kind of sebacic dinitrile is synthetically produced to use reaction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720264036.XU CN206622109U (en) | 2017-03-17 | 2017-03-17 | A kind of sebacic dinitrile is synthetically produced to use reaction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206622109U true CN206622109U (en) | 2017-11-10 |
Family
ID=60209265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720264036.XU Active CN206622109U (en) | 2017-03-17 | 2017-03-17 | A kind of sebacic dinitrile is synthetically produced to use reaction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206622109U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106824038A (en) * | 2017-03-17 | 2017-06-13 | 濮阳市盛源能源科技股份有限公司 | A kind of synthetically produced use reaction unit of sebacic dinitrile and sebacic dinitrile synthetic process |
| CN111233703A (en) * | 2020-02-24 | 2020-06-05 | 山东金石新材料有限公司 | Primary diamine production equipment and method for producing primary diamine by adopting same |
-
2017
- 2017-03-17 CN CN201720264036.XU patent/CN206622109U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106824038A (en) * | 2017-03-17 | 2017-06-13 | 濮阳市盛源能源科技股份有限公司 | A kind of synthetically produced use reaction unit of sebacic dinitrile and sebacic dinitrile synthetic process |
| CN111233703A (en) * | 2020-02-24 | 2020-06-05 | 山东金石新材料有限公司 | Primary diamine production equipment and method for producing primary diamine by adopting same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206622109U (en) | A kind of sebacic dinitrile is synthetically produced to use reaction unit | |
| CN106824038A (en) | A kind of synthetically produced use reaction unit of sebacic dinitrile and sebacic dinitrile synthetic process | |
| CN102410518B (en) | Low-grade heat energy recycling method for liquid urea washing tower | |
| CN105218513A (en) | A kind of method of synthesizing triformol | |
| CN210632117U (en) | Continuous reaction device | |
| CN100529630C (en) | Spraying and falling film compound condensation apparatus for coal or biomass pyrolytic liquefaction | |
| CN205973803U (en) | Low pressure waste boiler for nitric acid device | |
| CN100337994C (en) | Method for preparing composite fertilizer of potassium sulfate and ammonium | |
| CN102039111A (en) | Continuous hydrolysis kettle converted from furfural intermittent hydrolysis kettle | |
| CN101792447B (en) | Device for preparing urotropine by using gas phase method | |
| CN108654549A (en) | A kind of venturi injection mixing reactor, a kind of oleamide are continuously synthesizing to device and its application method | |
| CN102766120B (en) | Gas phase acid catalytic biomass hydrolysis continuous production method of furfural | |
| CN102336672B (en) | Method for producing isoamyl amine | |
| CN102502697A (en) | Method for recovering ammonia in morpholine solution | |
| CN203048616U (en) | Continuous pyrolysis tank for high-purity-magnesium water | |
| CN102850299B (en) | Preparation method for (methyl)glycidyl acrylate | |
| CN104609941A (en) | A continuous settlement type coating and drying device for preparing a coated fertilizer and a method | |
| CN213254351U (en) | System for preparing phenyl chlorosilane monomer by using circulating fluidized bed reactor | |
| CN108329323A (en) | A method of continuously preparing Urotropine mother liquid using formaldehyde absorbing tower coproduction | |
| CN204356253U (en) | The dressing drying unit of coated fertilizer prepared by a kind of continuous sedimentation type | |
| CN215611625U (en) | Acrylonitrile catalyst apparatus for producing | |
| CN102559321B (en) | Energy saving method in cow dung rapid chemical catalytic hydrolysis processing process | |
| CN201350404Y (en) | High pressure tubular full-condensation reactor | |
| CN205974310U (en) | Diolame agent production facility and diolame fertilizer production equipment | |
| CN109851528A (en) | A kind of automobile-used urea plant of solid and its manufacturing process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |