CN206473977U - Organic amine dehydration device and dewatering system - Google Patents
Organic amine dehydration device and dewatering system Download PDFInfo
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- CN206473977U CN206473977U CN201720167690.9U CN201720167690U CN206473977U CN 206473977 U CN206473977 U CN 206473977U CN 201720167690 U CN201720167690 U CN 201720167690U CN 206473977 U CN206473977 U CN 206473977U
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Abstract
The utility model provides a kind of organic amine dehydration device and dewatering system, is related to the technical field of chemical industry equipment, including the first solid caustic soda tower, the second solid caustic soda tower, vaporizer and condenser；Solid caustic soda is respectively provided with the first solid caustic soda tower and the second solid caustic soda tower；The first solid caustic soda tower is connected by the first pipeline with the vaporizer, and the first solid caustic soda tower is connected by second pipe with the condenser, and the second pipe is provided with the second control valve；The second solid caustic soda tower is connected by the 3rd pipeline with the vaporizer, the second solid caustic soda tower is connected by the 4th pipeline with the condenser, and the 3rd pipeline is provided with the 3rd control valve, 4th pipeline is provided with the 4th control valve, second control valve and the 3rd control valve are alternately opened, and the 4th control valve is opened and closed simultaneously with the 3rd control valve.Alleviate organic amine dehydration device dehydration cost present in prior art high, be dehydrated not thorough, it is impossible to be carried out continuously the technical problem of production.
Description
Technical field
The utility model is related to technical field of chemical, is more particularly, to a kind of organic amine dehydration device and dehydration
System.
Background technology
Organic amine generally refers to organic species and the organic species of chemical reaction generation occurs with ammonia.It is divided into seven major classes,
Fatty amines, alcamines, amide-type, alicyclic ring amine, aromatic amine, naphthalene system amine, other amines etc..Most small molecule has
Machine amine (boiling point be less than 100 DEG C) can be with miscible with water, and can be with water formation azeotropic mixture.
China's organic amine realizes industrialized production the sixties, and production technology mainly used high temperature and high pressure method, production rule at that time
Mould is substantially in 100~500 tons of scale.Late 1990s, global organic amine production capacity has reached 320,000 tons, every year
Growth rate reaches 10%.Into this century, speed somewhat slows down, but still is developed with 5% speed.Asia, particularly China are then
It is fast-developing with 20%~30% annual speed.By year ends 2007, global organic amine production capacity has reached 500,000 tons.
, it is necessary to carry out dewater treatment when containing moisture in organic amine, the dewatering commonly used in production is rectification method.Due to
The organic amine of most of small molecules can be with water formation azeotropic mixture, and this just brings difficulty to rectifying separation, and low separation efficiency takes off
Water cost is high, and is unable to continuous dehydration.High organic amine product (moisture content≤0.1%), rectification process especially are required to moisture content
It can not realize at all.
Accordingly, it is desirable to provide a kind of organic amine dehydration device, solves organic amine dehydration device present in prior art not
The technical problem of dehydration production can be carried out continuously.
Utility model content
The purpose of this utility model is to provide a kind of organic amine dehydration device and dewatering system, alleviated in the prior art
The organic amine dehydration device of presence can not be carried out continuously the technical problem of dehydration production.
The organic amine dehydration device that the utility model is provided includes：First solid caustic soda tower, the second solid caustic soda tower, vaporizer and condensation
Device；
Solid caustic soda is respectively provided with the first solid caustic soda tower and the second solid caustic soda tower；
The first solid caustic soda tower is connected by the first pipeline with the vaporizer, and the first solid caustic soda tower passes through second pipe
It is connected with the condenser, and the second pipe is provided with the second control valve；
The second solid caustic soda tower is connected by the 3rd pipeline with the vaporizer, and the second solid caustic soda tower passes through the 4th pipeline
It is connected with the condenser, and the 3rd pipeline is provided with the 3rd control valve, the 4th pipeline is provided with the 4th control valve；
Second control valve and the 3rd control valve are alternately opened, and the 4th control valve and the described 3rd control
Valve is opened and closed simultaneously.
And the first solid caustic soda tower passes through the first alkali lye delivery pipe with the recycling can further, in addition to recycling can,
Connection, and the first alkali lye delivery pipe is provided with the 5th control valve；
The second solid caustic soda tower is connected with the recycling can by the second alkali lye delivery pipe, and the second alkali lye delivery pipe
It is provided with the 6th control valve.
Further, it is respectively equipped with heating interlayer on the first solid caustic soda tower and the second solid caustic soda tower.
Further, heater is provided with the vaporizer.
Further, the solid caustic soda is columned rod alkali.
Further, the solid caustic soda is set to sodium hydroxide or potassium hydroxide.
Further, it is respectively equipped with visor on the first solid caustic soda tower and the second solid caustic soda tower.
The utility model additionally provides a kind of dewatering system, including head tank, feed pump, finished pot and described organic amine
Dehydration device；
The feed pump is connected with the head tank by pipeline, the outlet of the feed pump and the entrance of the vaporizer
Connected by pipeline；
The finished pot is connected with the condenser by pipeline, and the outlet of the finished pot is provided with emptying device.
Further, the emptying device is provided with drier.
Further, the emptying device is set to vent valve.
What the utility model was brought has the beneficial effect that：
The organic amine dehydration device that the utility model is provided, including：First solid caustic soda tower, the second solid caustic soda tower, vaporizer and cold
Condenser；Solid caustic soda is respectively provided with first solid caustic soda tower and the second solid caustic soda tower；First solid caustic soda tower is connected by the first pipeline with vaporizer,
First solid caustic soda tower is connected by second pipe with condenser, and the control valve of second pipe second is provided with；Second solid caustic soda tower passes through
3rd pipeline is connected with vaporizer, and the second solid caustic soda tower is connected by the 4th pipeline with condenser, and the 3rd pipeline is provided with the 3rd
Control valve, the 4th pipeline is provided with the 4th control valve, and the second control valve and the 3rd control valve are alternately opened, and the 4th control valve with
3rd control valve is opened and closed simultaneously.In use, shutting the 3rd control valve and the 4th control valve, the second control valve, organic amine etc. are opened
The first solid caustic soda tower is entered by the first pipeline after vaporizer gasifies, condenser is entered by second pipe, when the first solid caustic soda
When tower needs to change, the second control valve is shut, the 3rd control valve and the 4th control valve is opened, organic amine is after vaporizer gasifies
Second solid caustic soda tower is entered by the 3rd pipeline, condenser is entered by the 4th pipeline, it is condensed after be collected, when the second solid caustic soda
When tower needs to change, the 3rd control valve and the 4th control valve are shut, the second control valve is opened, using the first solid caustic soda tower, in this way, can
To realize the continuous dehydration of organic amine etc., and dehydration cost is low, environment friendly and pollution-free, is that one kind of organic amine water removal is effective
Device.
In addition, the utility model additionally provides a kind of dewatering system, including head tank, feed pump, finished pot and this practicality
The organic amine dehydration device of new offer.The entrance of feed pump is connected with head tank by pipeline, the outlet and gasification of feed pump
The entrance of room passes through connection；The entrance of finished pot is connected with condenser by pipeline, and the outlet of finished pot is provided with emptying device.
Organic amine etc. enters the organic amine dehydration device that the utility model is provided from head tank after feed pump, is stored up afterwards in finished pot
Deposit, can operate continuously, the finished product rate of recovery is high, dehydration cost is low, environment friendly and pollution-free, the effective dress of one kind of organic amine water removal
Put.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation one for the organic amine dehydration device that Fig. 1 provides for the utility model embodiment；
The structural representation two for the organic amine dehydration device that Fig. 2 provides for the utility model embodiment；
The structural representation for the dewatering system that Fig. 3 provides for the utility model embodiment；
The first solid caustic soda tower or the structural representation of the second solid caustic soda tower that Fig. 4 provides for the utility model embodiment.
Icon：11- the first solid caustic soda towers；12- the second solid caustic soda towers；13- vaporizers；14- condensers；15- recycling cans；
16- head tanks；17- feed pumps；18- finished pots；The pipelines of 21- first；22- second pipes；The pipelines of 23- the 3rd；24-
4th pipeline；25- the first alkali lye delivery pipes；26- the second alkali lye delivery pipes；111- heating interlayers；181- emptying devices；
The control valves of 221- second；The control valves of 231- the 3rd；The control valves of 241- the 4th；The control valves of 251- the 5th；261- the 6th is controlled
Valve.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " are, based on orientation shown in the drawings or position relationship, to be only
Described for the ease of description the utility model and simplifying, rather than to indicate or imply that signified device or element must have specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The structural representation one for the organic amine dehydration device that Fig. 1 provides for the utility model embodiment；Fig. 2 is that this practicality is new
The structural representation two for the organic amine dehydration device that type embodiment is provided；The dehydration system that Fig. 3 provides for the utility model embodiment
The structural representation of system；The first solid caustic soda tower or the structural representation of the second solid caustic soda tower that Fig. 4 provides for the utility model embodiment.
Embodiment one
As Figure 1-4, the organic amine dehydration device that the utility model is provided includes：First solid caustic soda tower 11, the second solid caustic soda
Tower 12, vaporizer 13 and condenser 14；Solid caustic soda is respectively provided with first solid caustic soda tower 11 and the second solid caustic soda tower 12；First solid caustic soda tower 11
It is connected by the first pipeline 21 with vaporizer 13, the first solid caustic soda tower 11 is connected by second pipe 22 with condenser 14, and second
Pipeline 22 is provided with the second control valve 221；Second solid caustic soda tower 12 is connected by the 3rd pipeline 23 with vaporizer 13, the second solid caustic soda tower
12 are connected by the 4th pipeline 24 with condenser 14, and the 3rd pipeline 23 is provided with the 3rd control valve 231, the 4th pipeline 24 and set
There is the 4th control valve 241.Second control valve 221 and the 3rd control valve 231 are alternately opened, and the 4th control valve 241 and the 3rd control
Valve 231 processed is opened and closed simultaneously.
The organic amine dehydration device that the utility model is provided, including：First solid caustic soda tower 11, the second solid caustic soda tower 12, vaporizer
13 and condenser 14；The air inlet of first solid caustic soda tower 11 is connected with the gas outlet of vaporizer 13 by the first pipeline 21, and first consolidates
The gas outlet of washing tower (for removing CO2) 11 is connected with condenser 14 by second pipe 22；Second air inlet of solid caustic soda tower 12 and going out for vaporizer 13
Gas port is connected by the 3rd pipeline 23, and the gas outlet of the second solid caustic soda tower 12 is connected with condenser 14 by the 4th pipeline 24, and second
Pipeline 22 is provided with the second control valve 221, and the 3rd pipeline 23 is provided with the 3rd control valve 231, and the 4th pipeline 24 is provided with the 4th
Control valve 241.Second control valve 221 and the 3rd control valve 231 are alternately opened, and the 4th control valve 241 and the 3rd control valve 231
Open and close simultaneously.In use, shutting the 3rd control valve 231 and the 4th control valve 241, the second control valve 221 is opened, organic amine etc. is passed through
Cross after vaporizer 13 gasifies and the first solid caustic soda tower 11 is entered by the first pipeline 21, condenser 14 is entered by second pipe 22, when
When first solid caustic soda tower 11 needs to change, the second control valve 221 is shut, the 3rd control valve 231 and the 4th control valve 241 is opened, has
Machine amine enters the second solid caustic soda tower 12 after the gasification of vaporizer 13 by the 3rd pipeline 23, enters condenser by the 4th pipeline 24
14, it is condensed after be collected, when the second solid caustic soda tower 12 need change when, shut the 3rd control valve 231 and the 4th control valve
241, the second control valve 221 is opened, using the first solid caustic soda tower 11, so, it is possible to achieve the continuous dehydration of organic amine etc., and is taken off
Water cost is low, environment friendly and pollution-free.
It should be noted that a solid caustic soda tower and the second solid caustic soda tower 12 is are arranged in parallel, when one of them needs to change, no
Influence the progress of dewatering work.
Condenser 14, belongs to one kind of heat exchanger, gas or steam can be transformed into liquid, by the heat in pipe, with
Mode quickly, is passed in the air near pipe.For improve condenser 14 efficiency can on pipeline parasitic conduction
The excellent fin of energy, increases area of dissipation, to accelerate radiating, and accelerates cross-ventilation by blower fan, and heat is taken away.
Condenser 14 includes, condenser pipe and housing, is respectively equipped with inlet and outlet on housing, cooling medium is from housing
Import enters in housing, the heat in absorption condensation pipe, from outlet discharge.Condenser pipe also includes inlet and outlet, condenser pipe
Exported including condenser pipe import and condenser pipe, gas flows into condenser pipe, the cooling medium heat release into housing from condenser pipe import
Afterwards, liquid is condensed into, is stored from condenser pipe outlet into storage tank.
It should be noted that condenser pipe can be arranged to bellows, heat exchange area can be increased.
In the alternative of the present embodiment, in addition to recycling can 15, and also include recycling can 15, and the first solid caustic soda tower 11 with
Recycling can 15 is connected by the first alkali lye delivery pipe 25, and the first alkali lye delivery pipe 25 is provided with the 5th control valve 251；Second consolidates
Washing tower (for removing CO2) 12 is connected with recycling can 15 by the second alkali lye delivery pipe 26, and the second alkali lye delivery pipe 26 is provided with the 6th control valve
261。
The leakage fluid dram of first solid caustic soda tower 11 is connected with recycling can 15 by the first alkali lye delivery pipe 25, the second solid caustic soda tower 12
Leakage fluid dram is connected with recycling can 15 by the second alkali lye delivery pipe 26；On first alkali lye delivery pipe 25 and the second alkali lye delivery pipe 26
It is respectively equipped with the 5th control valve 251 and the 6th control valve 261.Organic amine after gasification is from the first solid caustic soda tower 11 or the second solid caustic soda
The bottom of tower 12 enters, and institute's water content absorbs through solid caustic soda in organic amine is changed into liquid caustic soda, through the 5th control valve 251 or the 6th control valve
261 enter the recycling can 15 for reclaiming alkali lye；Pass through the phase of the second control valve 221, the 3rd control valve 231 and the 4th control valve 241
Being carried out continuously for dewatering process can be ensured by mutually coordinating.
Alkali lye in recycling can 15 can add water and be used as liquid caustic soda, be recycled after can also crystallizing, can be with
Dehydration cost is reduced, it is environment friendly and pollution-free.
As shown in figure 4, in the alternative of the present embodiment, is respectively equipped with the first solid caustic soda tower 11 and the second solid caustic soda tower 12
Heating interlayer 111, prevents organic amine from entering after solid caustic soda bed condensing reflux to bottom of towe.
Heating interlayer 111, can lead to the passage of hot water, steam or conduction oil, prevent organic amine from entering solid caustic soda bed
Condensing reflux is to bottom of towe after layer.
Heating interlayer 111 can also be electric heater unit, can be metal electric heating tube or PTC heating element heaters or heating
Resistance wire or electromagnetic induction heating coil.
In the alternative of the present embodiment, heater is provided with vaporizer 13, for heating and gasifying room 13, for providing
Heat required for organic amine gasification.
Organic amine enters vaporizer 13 through feed pump 17, and organic amine refers to primary amine, secondary amine, the tertiary amine that boiling point is less than water, including
Methylamine, ethamine, propylamine, butylamine, nafoxidine, N- methyl nafoxidine, dimethylamine, diethylamine, triethylamine etc., vaporizer 13
With heater, temperature control is higher than the boiling point of organic amine, organic amine is kept vaporized state.
Heater can be electric heater unit, can be metal electric heating tube or PTC heating element heaters or resistive heater
Or electromagnetic induction heating coil.
It should be noted that the lateral wall that electric heater unit can be close to vaporizer 13 is installed, gas can also be arranged at
Within the chamber for changing room 13.
It should be noted that heater is electrically connected with the controller, it is controlled by controller, controller can be controlled
The heating power of electric heater unit simultaneously controls the electric heater unit to be stopped.
Heater can also go out for a container that hot fluid is housed, heater provided with hot fluid inlet and hot fluid
Mouthful, vaporizer 13 is at least partially immersed in hot fluid.
In the alternative of the present embodiment, state in the first solid caustic soda tower 11 and the second solid caustic soda tower 12 and be respectively provided with solid caustic soda；Solid caustic soda
For columned rod alkali.
Solid caustic soda is columned rod alkali, and the alkali high mechanical strength, landfill porosity is larger, SR very little, and alkali will not
Bring later process into, will not occluding device and pipeline.
In the alternative of the present embodiment, solid caustic soda is set to sodium hydroxide or potassium hydroxide.
In the alternative of the present embodiment, visor is respectively equipped with the first solid caustic soda tower 11 and the second solid caustic soda tower 12.
Visor is respectively equipped with first solid caustic soda tower 11 and the second solid caustic soda tower 12, the service condition of solid caustic soda can be observed and timely
Control valve is cut, changes and adds new solid caustic soda, in solid caustic soda drier bottom under recycling can 15, the first solid caustic soda tower 11 and the second solid caustic soda tower 12
The concentrated base in portion can periodically be emitted into recycling can 15, and the concentrated base of recycling can 15 is added water and used as liquid caustic soda, after can also crystallizing
Again solid caustic soda use is done.
For example, ethamine aqueous 5%, the organic amine dehydration device provided through the utility model obtains 0.8% second after being dehydrated
Amine, the rate of recovery 93%；Nafoxidine aqueous 2%, the dewatering system provided through the utility model obtains 0.4% second after being dehydrated
Amine, the rate of recovery 95%；N- methyl nafoxidines aqueous 1%, are obtained after the dewatering system dehydration provided through the utility model
0.08% ethamine, the rate of recovery 96%.
Embodiment two
As shown in figure 3, the utility model additionally provides a kind of dewatering system, including head tank 16, feed pump 17, finished pot
18 and organic amine dehydration device；Feed pump 17 is connected with head tank 16 by pipeline, outlet and the vaporizer 13 of feed pump 17
Entrance is connected by pipeline；Finished pot 18 is connected with condenser 14 by pipeline, and the outlet of finished pot 18 is provided with emptying device
181。
The entrance of feed pump 17 is connected with head tank 16 by pipeline, and the outlet of feed pump 17 leads to the entrance of vaporizer 13
Piping is connected；The entrance of finished pot 18 is connected with condenser 14 by pipeline, and the outlet of finished pot 18 is provided with emptying device
181.Organic amine etc. from head tank 16 after feed pump 17 enter the utility model provide organic amine dehydration device, afterwards into
Stored in product tank 18, emptying device 181 can effectively discharge the air inside finished pot 18, prevent liquid from being sprayed from finished pot 18
Into external environment condition.The dewatering system that utility model is also provided can be operated continuously, and the finished product rate of recovery is high, and dehydration cost is low, environmental protection
It is pollution-free, a kind of effective device of organic amine water removal.
It should be noted that emptying device 181 can include being provided with the tune that can be opened or closed on blow-down pipe, blow-down pipe
Save valve.
Emptying device 181 can also be atmospheric valve.
Emptying device 181 can also include gas access and gas vent, and gas is set between gas access and gas vent
Liquid/gas separator, can eliminate the liquid of the entrainment in emptying gas.
In the alternative of the present embodiment, emptying device 181 is provided with drier.
Emptying device 181 is provided with drier, can prevent the moisture content in air from entering finished product storage tank.
In the alternative of the present embodiment, emptying device 181 is set to vent valve.
When the organic amine after dehydration enters finished pot 18, vent valve is largely vented, when air is drained, stops row
Gas.
For example, ethamine aqueous 5%, the dewatering system provided through the utility model obtains 0.8% ethamine after being dehydrated, reclaim
Rate 93%；Nafoxidine aqueous 2%, the dewatering system provided through the utility model obtains 0.4% ethamine, the rate of recovery after being dehydrated
95%；N- methyl nafoxidines aqueous 1%, the dewatering system provided through the utility model obtains 0.08% ethamine after being dehydrated,
The rate of recovery 96%.
Finally it should be noted that：Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of organic amine dehydration device, it is characterised in that including：First solid caustic soda tower, the second solid caustic soda tower, vaporizer and condensation
Device；
Solid caustic soda is respectively provided with the first solid caustic soda tower and the second solid caustic soda tower；
The first solid caustic soda tower is connected by the first pipeline with the vaporizer, and the first solid caustic soda tower passes through second pipe and institute
Condenser connection is stated, and the second pipe is provided with the second control valve；
The second solid caustic soda tower is connected by the 3rd pipeline with the vaporizer, and the second solid caustic soda tower passes through the 4th pipeline and institute
Condenser connection is stated, and the 3rd pipeline is provided with the 3rd control valve, the 4th pipeline is provided with the 4th control valve；
Second control valve and the 3rd control valve are alternately opened, and the 4th control valve and the 3rd control valve are same
When open and close.
2. organic amine dehydration device according to claim 1, it is characterised in that also including recycling can, first solid caustic soda
Tower is connected with the recycling can by the first alkali lye delivery pipe, and the first alkali lye delivery pipe is provided with the 5th control valve；
The second solid caustic soda tower is connected with the recycling can by the second alkali lye delivery pipe, and is set on the second alkali lye delivery pipe
There is the 6th control valve.
3. organic amine dehydration device according to claim 1, it is characterised in that the first solid caustic soda tower and described second is consolidated
Heating interlayer is respectively equipped with washing tower (for removing CO2).
4. organic amine dehydration device according to claim 1, it is characterised in that heater is provided with the vaporizer.
5. the organic amine dehydration device according to claim any one of 1-4, it is characterised in that the solid caustic soda is cylindric
Rod alkali.
6. organic amine dehydration device according to claim 5, it is characterised in that the solid caustic soda is set to sodium hydroxide or hydrogen
Potassium oxide.
7. organic amine dehydration device according to claim 6, it is characterised in that the first solid caustic soda tower and described second is consolidated
Visor is respectively equipped with washing tower (for removing CO2).
8. a kind of dewatering system, it is characterised in that including head tank, feed pump, any one of finished pot and claim 1-7 institute
The organic amine dehydration device stated；
The feed pump is connected with the head tank by pipeline, and the outlet of the feed pump and the entrance of the vaporizer pass through
Pipeline is connected；
The finished pot is connected with the condenser by pipeline, and the outlet of the finished pot is provided with emptying device.
9. dewatering system according to claim 8, it is characterised in that the emptying device is provided with drier.
10. dewatering system according to claim 8, it is characterised in that the emptying device is set to vent valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720167690.9U CN206473977U (en) | 2017-02-23 | 2017-02-23 | Organic amine dehydration device and dewatering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720167690.9U CN206473977U (en) | 2017-02-23 | 2017-02-23 | Organic amine dehydration device and dewatering system |
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| Publication Number | Publication Date |
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| CN206473977U true CN206473977U (en) | 2017-09-08 |
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ID=59747125
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|---|---|---|---|
| CN201720167690.9U Expired - Fee Related CN206473977U (en) | 2017-02-23 | 2017-02-23 | Organic amine dehydration device and dewatering system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109988066A (en) * | 2018-12-21 | 2019-07-09 | 江门谦信化工发展有限公司 | A kind of n-butyl acrylate industrialized producing technology reducing brine waste |
-
2017
- 2017-02-23 CN CN201720167690.9U patent/CN206473977U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109988066A (en) * | 2018-12-21 | 2019-07-09 | 江门谦信化工发展有限公司 | A kind of n-butyl acrylate industrialized producing technology reducing brine waste |
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