CN208500802U - A kind of process units of sodium methoxide - Google Patents
A kind of process units of sodium methoxide Download PDFInfo
- Publication number
- CN208500802U CN208500802U CN201820841528.5U CN201820841528U CN208500802U CN 208500802 U CN208500802 U CN 208500802U CN 201820841528 U CN201820841528 U CN 201820841528U CN 208500802 U CN208500802 U CN 208500802U
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- China
- Prior art keywords
- molecular sieve
- absorption tower
- sodium methoxide
- level absorption
- process units
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Abstract
The utility model discloses a kind of process units of sodium methoxide, including, reaction kettle, the reaction kettle is made of autoclave body and kettle cover, is provided with steam channel on the kettle cover；Condenser, the feed inlet of the condenser are connected with the steam channel, and the discharge port of the condenser is provided with connecting tube；Dewatering system, the dewatering system is connected by the connecting tube with the condenser, the dewatering system is made of molecular sieve first grade absorption tower, molecular sieve two-level absorption tower and molecular sieve three-level absorption tower, and the molecular sieve first grade absorption tower, the molecular sieve two-level absorption tower and molecular sieve three-level absorption tower are arranged in series；Receiving slit, the receiving slit are connected with the dewatering system, are provided with switch valve between the receiving slit and the dewatering system；Methanol of the utility model reaction due to steaming does not need a large amount of anhydrous methanol band water and greatlys save anhydrous methanol dosage after the water suction of over-molecular sieve absorption tower, while also avoiding anhydrous methanol rectifying water removal again.
Description
Technical field
The utility model relates to chemical equipment technical fields, more particularly to a kind of process units of sodium methoxide.
Background technique
Existing industrial methanol sodium mostly uses greatly piece alkali and anhydrous methanol band water to be made, and there are also use metallic sodium and anhydrous
Methanol reaction is made.
Existing industrial methanol sodium mostly uses greatly piece alkali and anhydrous methanol band water to be made, and not only to consume a large amount of anhydrous methanols,
Simultaneously can also because of band water can not thoroughly caused by a large amount of free alkalis, the serious activity for restricting sodium methoxide.Also have using metallic sodium
It directly being reacted with anhydrous methanol and generates sodium methoxide, metallic sodium is active metal, it is using and is being required in storage and transport process quite strictly,
Application risk is also larger, and the hydrogen that simultaneous reactions generate is also major hazard source.Metallic sodium is expensive, produces sodium methoxide cost
It can be multiplied.
Utility model content
The purpose of this utility model is in view of the deficienciess of the prior art, providing a kind of sodium methoxide for saving anhydrous methanol
Process units.
To achieve the above object, the utility model provides a kind of process units of sodium methoxide, including, reaction kettle is described
Reaction kettle is made of autoclave body and kettle cover, is provided with steam channel on the kettle cover；Condenser, the feed inlet of the condenser and institute
It states steam channel to be connected, the discharge port of the condenser is provided with connecting tube；Dewatering system, the dewatering system pass through the company
Adapter tube is connected with the condenser, and the dewatering system is by molecular sieve first grade absorption tower, molecular sieve two-level absorption tower and molecular sieve
Three-level absorption tower composition, the molecular sieve first grade absorption tower, the molecular sieve two-level absorption tower and the molecular sieve three-level absorb
Tower is arranged in series；Receiving slit, the receiving slit are connected with the dewatering system, set between the receiving slit and the dewatering system
It is equipped with switch valve, is provided with switch valve on the bottom efferent duct of the receiving slit.
In a kind of process units of sodium methoxide as described above, wherein the bottom of the molecular sieve first grade absorption tower exports
It is respectively provided on pipe, the bottom efferent duct of the molecular sieve two-level absorption tower and the bottom efferent duct on molecular sieve three-level absorption tower
There is control valve.
In a kind of process units of sodium methoxide as described above, wherein the molecular sieve three-level passes through at the top of absorption tower
Overflow pipe is connected with the top of the reaction kettle.
In a kind of process units of sodium methoxide as described above, wherein be provided with individual calling blow valve, view in the connecting tube
Cup and sample tap, the connecting tube are connected with vacuum lead.
In a kind of process units of sodium methoxide as described above, wherein the individual calling blow valve described depending on cup and described takes
Sample mouth is set gradually from top to bottom.
In a kind of process units of sodium methoxide as described above, wherein be provided with collet, the collet outside the reaction kettle
On be provided with switch valve.
In a kind of process units of sodium methoxide as described above, wherein the molecular sieve first grade absorption tower, the molecular sieve
Oil liquid collet is provided with outside two-level absorption tower and the tower body on molecular sieve three-level absorption tower.
The utility model has the following beneficial effects: the process units of this sodium methoxide is flowed back using 4A molecular sieve dehydration, not only
Dehydration can be made more thorough, while methanol can directly flow back and apply, and greatly save anhydrous methanol dosage；4A molecular sieve can simultaneously
It is environmentally protective with thousands of times of activating and regenerating directly in tower, it will not pollute；The all standards such as generated sodium methoxide free alkali
National standard is complied fully with, and it is low to produce overall cost；
The methanol steamed in reaction process does not need a large amount of anhydrous methanol band water significantly after over-molecular sieve absorption tower absorbs water
Anhydrous methanol dosage is saved, while also avoiding anhydrous methanol rectifying removes water again, simple process greatlys save energy consumption, make to give birth to
Produce cost decline not 30% or so.Molecular sieve directly regenerates in absorption tower simultaneously, can greatly save reproduction operation amount.It gives birth to
The sodium methoxide of production complies fully with national standard.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the process units of sodium methoxide provided by the embodiment of the utility model.
The label of each component of attached drawing is as follows:
Reaction kettle 10；Autoclave body 11；Kettle cover 12；Steam channel 13；Collet 14；
Condenser 20；Connecting tube 21；Individual calling blow valve 22；Depending on cup 23；Sample tap 24；It takes out true
Vacant duct 25；
Dewatering system 30；Molecular sieve first grade absorption tower 31；Molecular sieve two-level absorption tower 32；Molecule
Sieve three-level absorption tower 33；Control valve 34；Overflow pipe 35；
Receiving slit 40.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, described
Embodiment is a part of the embodiment of the utility model, instead of all the embodiments.Based on described the utility model
Embodiment, those of ordinary skill in the art's every other embodiment obtained, fall within the protection scope of the utility model.
One embodiment of the utility model provides a kind of water by molecular sieve water suction tower absorbing reaction production, by first
The sodium methoxide process units that alcohol recycles.
Referring to Fig. 1, a kind of process units of sodium methoxide, comprising: reaction kettle 10, condenser 20, dewatering system 30 and connect
Receive slot 40.
Specifically, the reaction kettle 10 is made of autoclave body 11 and kettle cover 12, steam channel is provided on the kettle cover 12
13, the bottom of the reaction kettle 10 is provided with sodium methoxide discharge gate, the feed inlet of the condenser 20 and the steam channel 13
Be connected, the discharge port of the condenser 20 is provided with connecting tube 21, the dewatering system 30 by the connecting tube 21 with it is described
Condenser 20 is connected, and the dewatering system 30 is by molecular sieve first grade absorption tower 31, molecular sieve two-level absorption tower 32 and molecular sieve three
Grade absorption tower 33 forms, the molecular sieve first grade absorption tower 31, the molecular sieve two-level absorption tower 32 and the molecular sieve three-level
Absorption tower 33 is arranged in series, and the receiving slit 40 is connected with the dewatering system 30, the receiving slit 40 and the dewatering system
It is provided with switch valve between 30, is provided with switch valve on the bottom efferent duct of the receiving slit 40.
In the present embodiment, the bottom efferent duct of the molecular sieve first grade absorption tower 31, the molecular sieve two-level absorption tower 32
Bottom efferent duct and molecular sieve three-level absorption tower 33 bottom efferent duct on be provided with control valve 34, the molecular sieve
The top on three-level absorption tower 33 is connected by overflow pipe 35 with the top of the reaction kettle 10, the molecular sieve first grade absorption tower 31
For absorbing a large amount of water of methanol and sodium hydroxide reaction generation, the molecular sieve two-level absorption tower 32 is for absorbing methanol and hydrogen
A small amount of water that sodium oxide molybdena reaction generates, molecular sieve three-level absorption tower 33 is used to absorb methanol and sodium hydroxide reacts generation
Measure water.
In the present embodiment, individual calling blow valve 22, view cup 23 and sample tap 24, the connection are provided in the connecting tube 21
Pipe 21 is connected with vacuum lead 25, and the individual calling blow valve 22, the view cup 23 and the sample tap 24 are from top to bottom successively
Setting, the individual calling blow valve 22 ensure that the pressure balance of sodium methoxide production system, while can also prevent wet air
Into influence reaction efficiency.
In the present embodiment, it is provided with collet 14 outside the reaction kettle 10, switch valve, the folder are provided on the collet 14
Set 14 can provide heat, the molecular sieve first grade absorption tower 31, the molecular sieve two-level absorption tower 32 and described point for reaction
It is provided with oil liquid collet outside the tower body on son sieve three-level absorption tower 33, is used for dry air.
When reaction, the kettle cover 12 is opened, 2000kg methanol and 250kg sodium hydroxide are put into the autoclave body 11,
It is heated up by the collet 14, starts to distill, after controlling 1000 liters per hour of the amount of steaming, distillation three hours by control valve, from
24 sampling analysis of sample tap, if it is detected that the water content in methanol is lower than 0.05%, then it represents that methanol and sodium hydroxide are anti-
Distillation sufficiently should be stopped, the sodium methoxide for reacting generation stays in the reaction kettle 10, and the water of generation enters described with methanol
In dewatering system 30, the molecular sieve first grade absorption tower 31, the molecular sieve two-level absorption tower 32 and the molecular sieve three-level are inhaled
Receive tower 33 and be successively absorbed into the water that reaction generates, remaining methanol by the overflow pipe 35 overflow in the reaction kettle 10 after
Continuous reaction opens the molecular sieve first grade absorption tower 31, described until the sampling analysis result of the sample tap 24 meets the requirements
On molecular sieve two-level absorption tower 32 and the control valve 34 and the receiving slit 40 on molecular sieve three-level absorption tower 33
Switch valve, the methanol in the dewatering system 30 is collected, can be recycled, 34 He of control valve is then shut off
Switch valve is opened the molecular sieve first grade absorption tower 31, the molecular sieve two-level absorption tower 32 and the molecular sieve three-level and is absorbed
Oil liquid collet on tower 33 is warming up to 200 DEG C, is passed through dry air by molecular sieve three-level absorption tower 33, after 2 hours, then uses
Vacuum drying 2 hours, regeneration was completed, and with the near room temperature of cold oil, dry air is vented spare next group.
To sum up, a kind of process units of sodium methoxide according to the present embodiment is returned using 4A molecular sieve dehydration
Stream can not only make dehydration more thorough, while methanol can directly flow back and apply, and greatly save anhydrous methanol dosage；4A simultaneously
Molecular sieve can directly in tower activating and regenerating it is thousands of time, it is environmentally protective, will not pollute；Generated sodium methoxide free alkali etc.
All standard complies fully with national standard, and it is low to produce overall cost；
The methanol steamed in reaction process does not need a large amount of anhydrous methanol band water significantly after over-molecular sieve absorption tower absorbs water
Anhydrous methanol dosage is saved, while also avoiding anhydrous methanol rectifying removes water again, simple process greatlys save energy consumption, make to give birth to
Produce cost decline not 30% or so.Molecular sieve directly regenerates in absorption tower simultaneously, can greatly save reproduction operation amount.It gives birth to
The sodium methoxide of production complies fully with national standard.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of process units of sodium methoxide, it is characterised in that: including,
Reaction kettle (10), the reaction kettle (10) are made of autoclave body (11) and kettle cover (12), are provided with steaming on the kettle cover (12)
Vapour channel (13)；
The feed inlet of condenser (20), the condenser (20) is connected with the steam channel (13), the condenser (20)
Discharge port is provided with connecting tube (21)；
Dewatering system (30), the dewatering system (30) is connected by the connecting tube (21) with the condenser (20), described
Dewatering system (30) is by molecular sieve first grade absorption tower (31), molecular sieve two-level absorption tower (32) and molecular sieve three-level absorption tower (33)
Composition, the molecular sieve first grade absorption tower (31), the molecular sieve two-level absorption tower (32) and molecular sieve three-level absorption tower
(33) it is arranged in series；
Receiving slit (40), the receiving slit (40) are connected with the dewatering system (30), the receiving slit (40) and the dehydration
It is provided with switch valve between system (30), is provided with switch valve on the bottom efferent duct of the receiving slit (40).
2. a kind of process units of sodium methoxide according to claim 1, it is characterised in that: the molecular sieve first grade absorption tower
(31) the bottom efferent duct of bottom efferent duct, the molecular sieve two-level absorption tower (32) and molecular sieve three-level absorption tower
(33) control valve (34) are provided on bottom efferent duct.
3. a kind of process units of sodium methoxide according to claim 2, it is characterised in that: molecular sieve three-level absorption tower
(33) top is connected by overflow pipe (35) with the top of the reaction kettle (10).
4. a kind of process units of sodium methoxide according to claim 1, it is characterised in that: be arranged on the connecting tube (21)
There are individual calling blow valve (22), view cup (23) and sample tap (24), the connecting tube (21) to be connected with vacuum lead (25).
5. a kind of process units of sodium methoxide according to claim 4, it is characterised in that: the individual calling blow valve (22),
It is described to be set gradually from top to bottom depending on cup (23) and the sample tap (24).
6. a kind of process units of sodium methoxide according to claim 1, it is characterised in that: the reaction kettle (10) is arranged outside
Have collet (14), is provided with switch valve on the collet (14).
7. a kind of process units of sodium methoxide according to claim 1, it is characterised in that: the molecular sieve first grade absorption tower
(31), oil liquid folder is provided with outside the tower body on the molecular sieve two-level absorption tower (32) and molecular sieve three-level absorption tower (33)
Set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820841528.5U CN208500802U (en) | 2018-06-01 | 2018-06-01 | A kind of process units of sodium methoxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820841528.5U CN208500802U (en) | 2018-06-01 | 2018-06-01 | A kind of process units of sodium methoxide |
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| Publication Number | Publication Date |
|---|---|
| CN208500802U true CN208500802U (en) | 2019-02-15 |
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ID=65287306
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820841528.5U Expired - Fee Related CN208500802U (en) | 2018-06-01 | 2018-06-01 | A kind of process units of sodium methoxide |
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| Country | Link |
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| CN (1) | CN208500802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112321390A (en) * | 2020-09-18 | 2021-02-05 | 安徽金邦医药化工有限公司 | Integrated processing device for producing sodium methoxide by alkaline process |
-
2018
- 2018-06-01 CN CN201820841528.5U patent/CN208500802U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112321390A (en) * | 2020-09-18 | 2021-02-05 | 安徽金邦医药化工有限公司 | Integrated processing device for producing sodium methoxide by alkaline process |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 Termination date: 20200601 |
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| CF01 | Termination of patent right due to non-payment of annual fee |