CN205850844U - A kind of adipic acid synthesizer - Google Patents
A kind of adipic acid synthesizer Download PDFInfo
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- CN205850844U CN205850844U CN201620820541.3U CN201620820541U CN205850844U CN 205850844 U CN205850844 U CN 205850844U CN 201620820541 U CN201620820541 U CN 201620820541U CN 205850844 U CN205850844 U CN 205850844U
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Abstract
The utility model discloses a kind of adipic acid synthesizer.Including low temperature synthetic reaction device and high-temperature nuclei reaction unit, the two is connected by placed in series；Low temperature synthetic reaction device includes that heat-conducting layer, reactor, agitator, Hexalin charging aperture, Hexalin control valve, Hexalin distributor pipe, Hexalin distributor, Pressure gauge, thermometer, liquidometer, gas phase discharge control valve, dividing plate, catalyst acid solution charging aperture, catalyst acid hydraulic control valve, catalyst acid solution distributor pipe, catalyst acid liquid distributor, material discharge control valve and circulating pump；High-temperature nuclei reaction unit includes that heat-conducting layer, reactor, agitator, low-temp reaction material charging aperture, low-temp reaction Material control valve, low-temp reaction material distributor pipe, low-temp reaction material distributor, dividing plate, Pressure gauge, thermometer, liquidometer, gas phase discharge control valve and control valve discharged by material.This utility model uses two covering device series connection, thus decreases equipment investment, improves production efficiency.
Description
One, technical field:
This utility model relates to adipic acid synthesis technical field, is specifically related to the liquid distribution synthesis dress of a kind of adipic acid
Put.
Two, background technology:
Along with the continuous enhancing of people's energy-conserving and environment-protective consciousness, in Chemical Manufacture, the consumption of the energy is increasingly by the weight of people
Depending on, the production efficiency how promoting reaction unit is the technical problem that people pay close attention to.
At present, the production technology that adipic acid production industry is commonly used is 6 reactor series models.6 reactors from
High to Low arrangement, the reactor that the salpeter solution of catalyst is the highest from position enters, and then overflow enters other 5 reactors,
Hexalin enters corresponding reactor by the product pump of 6 different pump speeds.Reaction temperature maintains 70 DEG C-90 DEG C, reacts
Carry out under normal pressure.Nitric acid oxidation Hexalin is strong exothermal reaction, and radiating efficiency is low, and to easily cause local temperature too high, ultimately results in
Side reaction is more.Existing adipic acid, produces about 0.04 ton of mixed dibasic acid of 1 ton of adipic acid by-product, discharges 0.25 ton and laugh at
Gas (N2O).In the end of the year 2015, the production capacity of China's adipic acid is close to 3,000,000 tons, and the aggregated capacity of mixed dibasic acid, close to 120,000 tons, is laughed at
The discharge capacity of gas is up to 750,000 tons, and (greenhouse effect that 1 ton of laughing gas causes is suitable to be equivalent to discharge carbon dioxide 232,500,000 tons
In the greenhouse effect that 310 tons of carbon dioxide cause), laughing gas has become as one of 6 important greenhouse gases sources, the whole world.
How reducing the by-product of mixed dibasic acid and laughing gas in adipic acid production process is people's problem demanding prompt solutions.
Three, utility model content:
The technical problems to be solved in the utility model is: according to existing adipic acid synthetic reaction device exist deficiency it
Place, the adipic acid synthesizer that this utility model provides a kind of design science, rational in infrastructure, by-product is few and production efficiency is high.
In order to solve the problems referred to above, the technical scheme that this utility model is taked is:
This utility model provides a kind of adipic acid synthesizer, and described synthesizer includes low temperature synthetic reaction device and height
Temperature synthetic reaction device, low temperature synthetic reaction device and high-temperature nuclei reaction unit are connected by placed in series；Described low temperature closes
Become reaction unit include heat-conducting layer, reactor, agitator, Hexalin charging aperture, Hexalin control valve, Hexalin distributor pipe, two
Individual Hexalin distributor, Pressure gauge, thermometer, liquidometer, gas phase discharge control valve, dividing plate, catalyst acid solution charging aperture, catalysis
Agent acid solution control valve, catalyst acid solution distributor pipe, two catalyst acid liquid distributors, materials discharge control valve, circulating pump and thing
Material outlet；Annexation between each equipment of low temperature synthetic reaction device is:
It is provided with heat-conducting layer outside described reactor, in reactor, is provided with agitator, Pressure gauge, thermometer and liquidometer, institute
State gas phase discharge control valve, Pressure gauge and thermometer to be connected with the top of reactor respectively, described liquidometer and the end of reactor
Portion connects；Described Hexalin charging aperture is connected with Hexalin distributor pipe by pipeline, is provided with Hexalin at Hexalin charging aperture
Control valve, Hexalin distributor pipe is connected with two Hexalin distributors respectively by pipeline, said two Hexalin distributor
It is located at inside reactor, by upper and lower feed pipe, its position is fixed；Described catalyst acid solution charging aperture passes through pipeline
Being connected with catalyst acid solution distributor pipe, be provided with catalyst acid hydraulic control valve at catalyst acid solution charging aperture, catalyst acid solution is divided
Stringing is connected with two catalyst acid liquid distributors respectively by pipeline, and two catalyst acid liquid distributors are located in reactor
Portion, is fixed its position by upper and lower feed pipe；Described Hexalin distributor is same with corresponding catalyst acid liquid distributor
Feed pipe connects, and is provided with dividing plate in the middle of both；Being provided with material bottom reactor and discharge control valve, material is discharged control valve and is passed through
Pipeline is sequentially connected with circulating pump and material outlet and connects；
Described high-temperature nuclei reaction unit include heat-conducting layer, reactor, agitator, two low-temp reaction material charging apertures,
Two low-temp reaction Material control valves, two low-temp reaction material distributor pipes, four low-temp reaction material distributors, dividing plate, pressures
Power table, thermometer, liquidometer, gas phase discharge control valve and control valve discharged by material；Between each equipment of high-temperature nuclei reaction unit
Annexation be:
It is provided with heat-conducting layer outside described reactor, in reactor, is provided with agitator, Pressure gauge, thermometer and liquidometer, institute
State gas phase discharge control valve, Pressure gauge and thermometer to be connected with the top of reactor respectively, described liquidometer and the end of reactor
Portion connects；Described four low-temp reaction material distributors are positioned at the inside of reactor, solid to its position by upper and lower sample channel
Fixed；Described pyroreaction synthesizer is respectively provided with low-temp reaction material charging aperture up and down, and top low-temp reaction material charging aperture leads to
Piping is connected with top low-temp reaction material distributor pipe, is provided with low-temp reaction material at the low-temp reaction material charging aperture of top
Control valve, top low-temp reaction material distributor pipe is connected by two the low-temp reaction material distributors in pipeline and top；Bottom
Low-temp reaction material charging aperture is connected with bottom low-temp reaction material distributor pipe by pipeline, and bottom low-temp reaction material feeds
Being provided with low-temp reaction Material control valve at Kou, bottom low-temp reaction material distributor pipe is by pipeline and two, bottom low-temp reaction thing
Material distributor is connected；Top low-temp reaction material distributor and the corresponding bottom low-temp reaction same charging of material distributor
Pipeline connects, and is provided with dividing plate between the two；It is provided with material bottom high-temperature nuclei reaction unit and discharges control valve, arranged by pipeline
Go out.
According to above-mentioned adipic acid synthesizer, described agitator includes shaft and stirring vane.
According to above-mentioned adipic acid synthesizer, described distributor includes pallet, bearing, liquid outlet and blade, described
In 60 ° of-120 ° of angles between liquid outlet straight line and blade.
According to above-mentioned adipic acid synthesizer, in 80 ° of-100 ° of angles between described liquid outlet straight line and blade.
Positive beneficial effect of the present utility model:
1, this utility model adipic acid synthesizer uses two covering device series connection, makes original 6 reactors be reduced to 2
Platform, thus decrease equipment investment, improve production efficiency；Make reaction carry out at low-temperature region and high-temperature area respectively simultaneously,
Improve the yield of target product.Therefore, this utility model has significant economic benefit.
2, compared with existing adipic acid synthesizer technology, this utility model device 1 ton of adipic acid of synthesis, production cost drops
Low 5-10%, the mixed dibasic acid of by-product reduces 10-15%, and product quality also has lifting by a relatively large margin, and product analysis is reported
Refer to accompanying drawing 3,4.
Four, accompanying drawing explanation:
Fig. 1 this utility model adipic acid synthesizer structural representation；
In Fig. 1, A be low temperature synthetic reaction device: A1 be the heat-conducting layer of low temperature synthetic reaction device, A2 is reactor, A3
For agitator, A4 is Hexalin charging aperture, and A5 is Hexalin control valve, and A6 is Hexalin distributor pipe, and A7 is Hexalin distributor,
A8 is Pressure gauge, and A9 is thermometer, and A10 is liquidometer, and A11 is that gas phase discharges control valve, and A12 is dividing plate, and A13 is catalyst acid
Liquid charging aperture, A14 is catalyst acid hydraulic control valve, and A15 is catalyst acid solution distributor pipe, and A16 is catalyst acid liquid distributor,
A17 is that control valve discharged by material, and A18 is circulating pump；
B be high-temperature nuclei reaction unit: B1 be the heat-conducting layer of high-temperature nuclei reaction unit, B2 is reactor, B3 for stirring
Device, B4 is low-temp reaction material charging aperture, and B5 is low-temp reaction Material control valve, B6 low-temp reaction material distributor pipe, and B7 is low
Temperature reaction mass distributor, B8 is dividing plate, and B9 is Pressure gauge, and B10 is thermometer, and B11 is liquidometer, and B12 is that gas phase discharges control
Valve processed, B13 is that control valve discharged by material.
The partial enlarged drawing of distributor in Fig. 2 Fig. 1.
In Fig. 2: 1 is material inlet, 2 is distributor pallet, and 3 is distributor bearing, and 4 is liquid outlet, and 5 is distributor leaf
Sheet, 6 is dividing plate.
Adipic acid sample analysis mass spectrum prepared by Fig. 3 existing adipic acid synthesizer；
In Fig. 3: standard 1,2,3 is impurity peaks.
Fig. 4: utilize adipic acid sample analysis mass spectrum prepared by this utility model synthesizer；
In Fig. 4: standard 1,2,3 is impurity peaks.
Five, detailed description of the invention:
This utility model is expanded on further below in conjunction with embodiment, but is not limiting as content of the present utility model.
Embodiment 1:
See accompanying drawing 1, this utility model adipic acid synthesizer, anti-including low temperature synthetic reaction device A and high-temperature nuclei
Device B, low temperature synthetic reaction device A and high-temperature nuclei reaction unit B is answered to be connected by placed in series；Described low temperature synthetic reaction
Device A includes heat-conducting layer A1, reactor A2, agitator A3, and (described agitator A3 is by shaft A31 and stirring vane A32 structure
Become), Hexalin charging aperture A4, Hexalin control valve A5, Hexalin distributor pipe A6, two Hexalin distributor A7, Pressure gauge A8,
Thermometer A9, liquidometer A10, gas phase discharge control valve A11, dividing plate A12, catalyst acid solution charging aperture A13, catalyst acid hydraulic control
Valve A14 processed, catalyst acid solution distributor pipe A15, two catalyst acid liquid distributor A16, materials discharge control valve A17, circulating pump
A18 and material outlet；Annexation between each equipment of low temperature synthetic reaction device A is:
It is provided with heat-conducting layer A1 outside described reactor A2, in reactor A2, is provided with agitator A3, Pressure gauge A8, thermometer A9
With liquidometer A10, described gas phase discharges control valve A11, Pressure gauge A8 and thermometer A9 top with reactor A2 respectively and is connected,
The bottom of described liquidometer A10 and reactor A2 is connected；Described Hexalin charging aperture A4 is by pipeline and Hexalin distributor pipe A6
Be connected, at Hexalin charging aperture A4, be provided with Hexalin control valve A5, Hexalin distributor pipe A6 by pipeline respectively with two rings
Hexanol distributor A7 is connected, and said two Hexalin distributor A7 is located at inside reactor A2, by upper and lower feed pipe pair
Its position is fixed；Described catalyst acid solution charging aperture A13 is connected with catalyst acid solution distributor pipe A15 by pipeline, urges
Be provided with at agent acid solution charging aperture A13 catalyst acid hydraulic control valve A14, catalyst acid solution distributor pipe A15 by pipeline respectively with
Two catalyst acid liquid distributor A16 are connected, and two catalyst acid liquid distributor A16 are located at inside reactor A2, by upper
Its position is fixed by lower feed pipe；Described Hexalin distributor A7 and the corresponding catalyst acid same charging of liquid distributor A16
Pipeline connects, and is provided with dividing plate A12 in the middle of both；Being provided with material bottom reactor A2 and discharge control valve A17, control valve discharged by material
A17 is sequentially connected with circulating pump A18 and material outlet by pipeline and connects；
Described high-temperature nuclei reaction unit B includes heat-conducting layer B1, reactor B2, agitator B3, and (described agitator B3 is by stirring
Mix axle B31 and stirring vane B32 to constitute), two low-temp reaction material charging aperture B4, two low-temp reaction Material control valve B5,
Two low-temp reaction material distributor pipe B6, four low-temp reaction material distributor B7, dividing plate B8, Pressure gauge B9, thermometer B10,
Liquidometer B11, gas phase discharge control valve B12 and control valve B13 discharged by material；Between each equipment of high-temperature nuclei reaction unit B
Annexation is:
It is provided with heat-conducting layer B1 outside described reactor B2, in reactor B2, is provided with agitator B3, Pressure gauge B9, thermometer
B10 and liquidometer B11, described gas phase discharge control valve B12, Pressure gauge B9 and thermometer B10 respectively with the top of reactor B2
Connecting, the bottom of described liquidometer B11 and reactor B2 is connected；Described four low-temp reaction material distributor B7 are positioned at reactor
The inside of B2, is fixed its position by upper and lower sample channel；Described pyroreaction synthesizer B is respectively provided with a low temperature up and down
Reaction mass charging aperture B4, top low-temp reaction material charging aperture B4 pass through pipeline and top low-temp reaction material distributor pipe B6 phase
Connecting, be provided with low-temp reaction Material control valve B5 at the low-temp reaction material charging aperture B4 of top, top low-temp reaction material is distributed
Pipe B6 is connected by two the low-temp reaction material distributor B7 in pipeline and top；Bottom low-temp reaction material charging aperture B4 passes through
Pipeline is connected with bottom low-temp reaction material distributor pipe B6, is provided with low-temp reaction thing at the low-temp reaction material charging aperture B4 of bottom
Material control valve B5, bottom low-temp reaction material distributor pipe B6 is connected with two, bottom low-temp reaction material distributor B7 by pipeline
Logical；Two, top low-temp reaction material distributor B7 and corresponding two, the bottom low-temp reaction material same charging of distributor B7
Pipeline connects, and is provided with dividing plate B8 between the two；It is provided with material bottom high-temperature nuclei reaction unit B and discharges control valve B13, by pipe
Road is discharged.
Embodiment 2: substantially the same manner as Example 1, difference:
Seeing accompanying drawing 1,2, described distributor includes distributor pallet 2, distributor bearing 3, liquid outlet 4 and distributor leaf
Sheet 5, in 80 ° of angles between described liquid outlet 4 straight line and distributor blade.
Embodiment 3: substantially the same manner as Example 1, difference:
Seeing accompanying drawing 1,2, described distributor includes distributor pallet 2, distributor bearing 3, liquid outlet 4 and distributor leaf
Sheet 5, in 90 ° of angles between described liquid outlet 4 straight line and distributor blade.
Embodiment 4: substantially the same manner as Example 1, difference:
Seeing accompanying drawing 1,2, described distributor includes distributor pallet 2, distributor bearing 3, liquid outlet 4 and distributor leaf
Sheet 5, in 100 ° of angles between described liquid outlet 4 straight line and distributor blade.
Embodiment 5: substantially the same manner as Example 1, difference:
Seeing accompanying drawing 1,2, described distributor includes distributor pallet 2, distributor bearing 3, liquid outlet 4 and distributor leaf
Sheet 5, in 60 ° of angles between described liquid outlet 4 straight line and distributor blade.
Embodiment 6: substantially the same manner as Example 1, difference:
Seeing accompanying drawing 1,2, described distributor includes distributor pallet 2, distributor bearing 3, liquid outlet 4 and distributor leaf
Sheet 5, in 110 ° of angles between described liquid outlet 4 straight line and distributor blade.
Embodiment 7: substantially the same manner as Example 1, difference:
Seeing accompanying drawing 1,2, described distributor includes distributor pallet 2, distributor bearing 3, liquid outlet 4 and distributor leaf
Sheet 5, in 70 ° of angles between described liquid outlet 4 straight line and distributor blade.
The using method of this utility model adipic acid synthesizer, the detailed step of this using method is as follows:
A, first turn on the heat-conducting layer A1 of described low temperature synthetic reaction device A, described low temperature synthetic reaction device A is carried out
Heating, Hexalin and catalyst acid solution pass through Hexalin control valve A5 of setting, catalyst acid hydraulic control valve A14 respectively by each
Charging aperture (A4 and A13) respectively enters Hexalin distributor pipe A6 and catalyst acid solution distributor pipe A15, and Hexalin passes through distributor pipe A6
Respectively enteing two Hexalin distributor A7, catalyst acid solution respectively enters two catalyst acid solutions by distributor pipe A15 and is distributed
Device A16；By regulation Hexalin control valve A5 and the aperture of catalyst acid hydraulic control valve A14, the rotating speed of agitator A3, heat-conducting layer
A1 medium temperature make reaction zone temperature in reactor A2 control 70～85 DEG C, the response time control 1～2h, reaction liquid level is low
In described acid solution catalyst distributor A16；Open gas phase and discharge control valve A11, make pressure in described low temperature synthetic reaction device A
Control is 0.1～0.2Mpa；Low temperature synthetic reaction obtains low-temp reaction material after terminating；
B, unlatching high-temperature nuclei reaction unit heat-conducting layer B1, heat described high-temperature nuclei reaction unit B, open low
The material of temperature synthetic reaction device A discharges control valve A17 and circulating pump A18, makes the reaction that step a low-temperature reactor A synthesizes
Material is entered in pyroreaction device B by the pipeline of series connection and carries out secondary response；By two low-temp reaction material controls of regulation
It is 100～120 DEG C that the aperture of valve B5 processed, the rotating speed of agitator B3, heat-conducting layer B1 medium temperature make reaction zone temperature control, reaction
Time controls 10～30min, and reaction liquid level is less than two, reactor B2 bottom reaction mass distributor B7；Open described gas phase
Discharging control valve B12, making Stress control in described high-temperature nuclei reaction unit B is 0.1～0.2Mpa；
After c, reaction terminate, open the material being provided with bottom high-temperature nuclei reaction unit B and discharge control valve B13, will reaction
Material is discharged and is collected, and then lowers the temperature reaction mass successively by conventional method, is centrifuged, recrystallization, adsorption bleaching and do
Drying process obtains adipic acid product, recycles after reaction mother liquor conventional treatment.
Claims (4)
1. an adipic acid synthesizer, it is characterised in that: described synthesizer includes that low temperature synthetic reaction device and high temperature close
Becoming reaction unit, low temperature synthetic reaction device and high-temperature nuclei reaction unit are connected by placed in series；The synthesis of described low temperature is anti-
Device is answered to include heat-conducting layer, reactor, agitator, Hexalin charging aperture, Hexalin control valve, Hexalin distributor pipe, two rings
Hexanol distributor, Pressure gauge, thermometer, liquidometer, gas phase discharge control valve, dividing plate, catalyst acid solution charging aperture, catalyst acid
Hydraulic control valve, catalyst acid solution distributor pipe, two catalyst acid liquid distributors, materials discharge control valve, circulating pump and material row
Outlet；Annexation between each equipment of low temperature synthetic reaction device is:
It is provided with heat-conducting layer outside described reactor, in reactor, is provided with agitator, Pressure gauge, thermometer and liquidometer, described gas
Discharging control valve, Pressure gauge and thermometer mutually to be connected with the top of reactor respectively, described liquidometer connects with the bottom of reactor
Connect；Described Hexalin charging aperture is connected with Hexalin distributor pipe by pipeline, is provided with Hexalin control at Hexalin charging aperture
Valve, Hexalin distributor pipe is connected with two Hexalin distributors respectively by pipeline, and said two Hexalin distributor is located at
Inside reactor, by upper and lower feed pipe, its position is fixed；Described catalyst acid solution charging aperture passes through pipeline and urges
Agent acid solution distributor pipe is connected, and is provided with catalyst acid hydraulic control valve, catalyst acid solution distributor pipe at catalyst acid solution charging aperture
Being connected with two catalyst acid liquid distributors respectively by pipeline, two catalyst acid liquid distributors are located at inside reactor,
By upper and lower feed pipe, its position is fixed；Described Hexalin distributor and the corresponding same charging of catalyst acid liquid distributor
Pipeline connects, and is provided with dividing plate in the middle of both；Being provided with material bottom reactor and discharge control valve, material is discharged control valve and is passed through pipeline
It is sequentially connected with circulating pump and material outlet and connects；
Described high-temperature nuclei reaction unit include heat-conducting layer, reactor, agitator, two low-temp reaction material charging apertures, two
Low-temp reaction Material control valve, two low-temp reaction material distributor pipes, four low-temp reaction material distributors, dividing plate, Pressure gauge,
Thermometer, liquidometer, gas phase discharge control valve and control valve discharged by material；Connection between each equipment of high-temperature nuclei reaction unit
Relation is:
It is provided with heat-conducting layer outside described reactor, in reactor, is provided with agitator, Pressure gauge, thermometer and liquidometer, described gas
Discharging control valve, Pressure gauge and thermometer mutually to be connected with the top of reactor respectively, described liquidometer connects with the bottom of reactor
Connect；Described four low-temp reaction material distributors are positioned at the inside of reactor, are fixed its position by upper and lower sample channel；Institute
Stating pyroreaction synthesizer and be respectively provided with low-temp reaction material charging aperture up and down, top low-temp reaction material charging aperture passes through pipeline
It is connected with top low-temp reaction material distributor pipe, at the low-temp reaction material charging aperture of top, is provided with low-temp reaction Material control
Valve, top low-temp reaction material distributor pipe is connected by two the low-temp reaction material distributors in pipeline and top；Bottom low temperature
Reaction mass charging aperture is connected with bottom low-temp reaction material distributor pipe by pipeline, at the low-temp reaction material charging aperture of bottom
Being provided with low-temp reaction Material control valve, bottom low-temp reaction material distributor pipe is divided by two the low-temp reaction materials in pipeline and bottom
Cloth device is connected；Top low-temp reaction material distributor and the corresponding bottom low-temp reaction same feed pipe of material distributor
Connect, be provided with dividing plate between the two；It is provided with material bottom high-temperature nuclei reaction unit and discharges control valve, discharged by pipeline.
Adipic acid synthesizer the most according to claim 1, it is characterised in that: described agitator includes shaft and stirring
Blade.
Adipic acid synthesizer the most according to claim 1, it is characterised in that: described distributor includes pallet, bearing, liquid
Body outlet and blade, in 60 ° of-120 ° of angles between described liquid outlet straight line and blade.
Adipic acid synthesizer the most according to claim 3, it is characterised in that: between described liquid outlet straight line and blade
In 80 ° of-100 ° of angles.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620820541.3U CN205850844U (en) | 2016-07-29 | 2016-07-29 | A kind of adipic acid synthesizer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620820541.3U CN205850844U (en) | 2016-07-29 | 2016-07-29 | A kind of adipic acid synthesizer |
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| Publication Number | Publication Date |
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| CN205850844U true CN205850844U (en) | 2017-01-04 |
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ID=57654177
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000267A (en) * | 2016-07-29 | 2016-10-12 | 中国平煤神马能源化工集团有限责任公司 | Adipic acid synthesizer and use method thereof |
-
2016
- 2016-07-29 CN CN201620820541.3U patent/CN205850844U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000267A (en) * | 2016-07-29 | 2016-10-12 | 中国平煤神马能源化工集团有限责任公司 | Adipic acid synthesizer and use method thereof |
| CN106000267B (en) * | 2016-07-29 | 2017-11-10 | 中国平煤神马能源化工集团有限责任公司 | A kind of adipic acid synthesizer and its application method |
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