CN207944041U - A kind of metamitron solvent methanol reclaimer - Google Patents
A kind of metamitron solvent methanol reclaimer Download PDFInfo
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- CN207944041U CN207944041U CN201721802274.8U CN201721802274U CN207944041U CN 207944041 U CN207944041 U CN 207944041U CN 201721802274 U CN201721802274 U CN 201721802274U CN 207944041 U CN207944041 U CN 207944041U
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- China
- Prior art keywords
- communicating pipe
- plugged
- methanol
- rectifying column
- condenser
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Abstract
The utility model discloses a kind of metamitron solvent methanol reclaimers,Including rectifying column,The lateral wall left end of the rectifying column offers feed inlet,The top of the rectifying column is installed with one end of communicating pipe,The lower surface of second condenser is plugged with one end of communicating pipe,The other end of the communicating pipe is plugged to the inner cavity left end of drier,Then the higher gas discharge of methanol content is collected and then is used for being made for metamitron,Completely cooling liquid does not likewise enter in return tank second condenser,Then it is further flowed back by reflux pump again,The yield of methanol can be improved in this way,It avoids wasting,Gas methanol after being condensed along with the second condenser is still with vapor,Vapor can be reacted with soda lime,And then jacking block is driven to move upwards,And then it is convenient for changing U-tube,By the yield that can improve methanol,The concentration of Methanol Recovery is improved again.
Description
Technical field
The utility model is related to methanol mother liquor recovery technology field, specially a kind of metamitron solvent methanol recycling is set
It is standby.
Background technology
2- acetyl hydrazine ethyl benzoylformates are the important intermediates for synthesizing metamitron, and preparation method is：By benzene
Formic acid ethyl ester, acethydrazide in methanol are to occur condensation reaction in the system of solvent, generate product and 1 equivalent water, product from
Methanol mother liquor water content after the heart reaches 20% or so, since the reaction of this step requires the necessary ＜ 1% of methanol water content, so first
Alcohol mother liquor could first will use after being detached using rectifying column in thick steaming, (rectifying column diameter：0.65m is high：15m) but described time
The method for receiving methanol mother liquor has the following problems in actual production：Qualified methanol is collected in 1 rectifying column separation, and one day only
4 tons or so qualified methanol can be collected, and production requirement amount wants 8 or so tons, and production requirement, high energy consumption, with 10 tons of thick steamings is not achieved
The rate of recovery of the methanol meter gone out, qualified methanol is 80% or so, and the rate of recovery is low.
Utility model content
The purpose of this utility model is to provide a kind of metamitron solvent methanol reclaimers, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions：A kind of recycling of metamitron solvent methanol is set
It is standby, including rectifying column, the lateral wall left end of the rectifying column offer feed inlet, the top of the rectifying column is installed with company
One end of siphunculus, and the inner cavity of rectifying column is connected with communicating pipe, the other end of the communicating pipe is plugged with the first condenser, institute
The lower surface left end for stating the first condenser is plugged with one end of communicating pipe, and the other end of the communicating pipe is plugged with T-shape connection
Pipe, and the upper end of T-shape communicating pipe is connected with communicating pipe, the lower inner side wall of the T-shape communicating pipe is plugged with communicating pipe
One end, the other end of the communicating pipe is installed with return tank, and the left end of the return tank is plugged with one end of communicating pipe,
The other end of the communicating pipe is plugged with reflux pump, and the right end of the T-shape communicating pipe is plugged with one end of communicating pipe, the company
The other end of siphunculus is plugged with drier, and the lower surface right end of first condenser is plugged with one end of communicating pipe, the company
The other end of siphunculus is plugged with the second condenser, and the lower surface of second condenser is plugged with one end of communicating pipe, the company
The other end of siphunculus is plugged to the inner cavity left end of drier, and the top of the drier is plugged with the first discharge nozzle, the rectifying
One end of the left side wall lower end grafting communicating pipe of tower extends to the inner cavity of rectifying column, and the other end of the communicating pipe is plugged with to boil again
The bottom end of device, the rectifying column is plugged with one end of communicating pipe, and the other end of the communicating pipe is installed with centrifugal pump, described
The right end of centrifugal pump is installed with the second discharge nozzle；
The drier includes shell, and U-tube, the inner cavity middle part of the U-tube are offered in the middle part of the inner cavity of the shell
Soda lime layer is offered, lid is bolted at the top of the shell, the left and right ends of the shell offer jack, and shell
The jack madial wall of left end plugged with communicating pipe, the jack madial wall and grafting the first discharge nozzle phase for having end of the shell
The madial wall middle part left and right ends of grafting, the shell are installed with fixture block, and fixture block is mutually clamped with U-tube, the shell
The bottom of body is installed with electric telescopic rod, is installed with jacking block at the top of the electric telescopic rod, the jacking block it is upper
Surface is installed with socket.
Preferably, the communicating pipe is " L " type.
Preferably, the pedestal of the centrifugal pump is square.
Preferably, the upper surface of the socket is installed with foam-rubber cushion.
Preferably, the lid is dome-type.
Compared with prior art, the utility model has the beneficial effects that：The utility model will contain first alcohol and water first
Methanol mother liquor, which is put into rectifying column, carries out rectifying, and then the liquid containing methanol passes sequentially through the first condenser and the second condensation
Then the higher gas discharge of methanol content is collected and then is used for being made for metamitron by device, and the liquid in methanol flows through
Will have when the first condenser pipe and cool down incomplete liquid, further flow into return tank, what the second condenser did not cooled down completely
Liquid likewise enters in return tank, is then further flowed back by reflux pump again, can improve the yield of methanol in this way, avoid
Waste along with the gas methanol after the condensation of the second condenser is still with vapor, and is added in the inner cavity of drier and is filled
When having the U-tube of soda lime layer to may insure that the methanol gas containing vapor flows through, vapor can be reacted with soda lime, in turn
Vapor is further reduced to improve the concentration of Methanol Recovery, and U-tube is needed replacing in use for a long time, and pass through rotation
It opens lid and then opens the switch of electric telescopic rod, electric telescopic rod is allowed to move upwards, and then jacking block is driven to move upwards, into
One step drives U-tube to move upwards, and then is convenient for changing U-tube, by that can improve the yield of methanol, and improves methanol
The concentration of recycling.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the dryer configuration schematic diagram of the utility model.
In figure：1 rectifying column, 2 feed inlets, 3 communicating pipes, 4 first condensers, 5 T-shape communicating pipes, 6 return tanks, 7 reflux
Pump, 8 driers, 9 second condensers, 10 first discharge nozzles, 11 reboilers, 12 centrifugal pumps, 13 second discharge nozzles, 81 shells, 82
U-tube, 83 soda lime layers, 84 lids, 85 jacks, 86 fixture blocks, 87 electric telescopic rods, 88 jacking blocks, 89 sockets, 891 foam-rubber cushions.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of metamitron solvent methanol reclaimer,
Including rectifying column 1, the lateral wall left end of the rectifying column 1 offers feed inlet 2, and the top of the rectifying column 1 is installed with
One end of communicating pipe 3, and the inner cavity of rectifying column 1 is connected with communicating pipe 3, it is cold that the other end of the communicating pipe 3 is plugged with first
The lower surface left end of condenser 4, first condenser 4 is plugged with one end of communicating pipe 3, the other end grafting of the communicating pipe 3
There is T-shape communicating pipe 5, and the upper end of T-shape communicating pipe 5 is connected with communicating pipe 3, the lower end inside of the T-shape communicating pipe 5
Wall is plugged with one end of communicating pipe 3, and the other end of the communicating pipe 3 is installed with return tank 6, the left end of the return tank 6
It is plugged with one end of communicating pipe 3, the other end of the communicating pipe 3 is plugged with reflux pump 7, and the right end of the T-shape communicating pipe 5 is inserted
It is connected to one end of communicating pipe 3, the other end of the communicating pipe 3 is plugged with drier 8, and the lower surface of first condenser 4 is right
End is plugged with one end of communicating pipe 3, and the other end of the communicating pipe 3 is plugged with the second condenser 9, second condenser 9
Lower surface is plugged with one end of communicating pipe 3, and the other end of the communicating pipe 3 is plugged to the inner cavity left end of drier 8, the drying
The top of device 8 is plugged with the first discharge nozzle 10, and one end of the left side wall lower end grafting communicating pipe 3 of the rectifying column 1 extends to essence
The inner cavity of tower 1 is evaporated, the other end of the communicating pipe 3 is plugged with reboiler 11, and the bottom end of the rectifying column 1 is plugged with communicating pipe 3
One end, the other end of the communicating pipe 3 is installed with centrifugal pump 12, and the right end of the centrifugal pump 12 is installed with second
Discharge nozzle 13；
The drier 8 includes shell 81, and U-tube 82 is offered in the middle part of the inner cavity of the shell 81, the U-tube 82
Soda lime layer 83 is offered in the middle part of inner cavity, the top of the shell 81 is bolted with lid 84, and the left and right ends of the shell 81 are equal
Jack 85 is offered, and 85 madial wall of jack of the left end of shell 81 is plugged with communicating pipe 3, the shell 81 has inserting for end
85 side wall of hole is plugged with the first discharge nozzle of grafting 10, and left and right ends are installed with card in the middle part of the madial wall of the shell 81
Block 86, and fixture block 86 is clamped with 82 phase of U-tube, the bottom of the shell 81 is installed with electric telescopic rod 87, described electronic
The top of telescopic rod 87 is installed with jacking block 88, and the upper surface of the jacking block 88 is installed with socket 89, will contain first
The methanol mother liquor of first alcohol and water, which is put into rectifying column 1, carries out rectifying, and then the liquid containing methanol passes sequentially through the first condenser 4
With the second condenser 9, then the higher gas discharge of methanol content is collected and then is used for being made for metamitron, and in methanol
Liquid will have cooling incomplete liquid when flowing through the first condenser pipe 4, further flow into return tank 6, the second condenser 9
Completely cooling liquid does not likewise enter in return tank 6, is then further flowed back by reflux pump 7 again, can improve first in this way
The yield of alcohol avoids wasting, along with the gas methanol after the condensation of the second condenser 9 is still with vapor, and dry
When inner cavity U-tube 82 of the addition equipped with soda lime layer 83 of dry device 8 may insure that the methanol gas containing vapor flows through, water steams
Gas can be reacted with soda lime, and then be further reduced vapor to improve the concentration of Methanol Recovery, and U-tube 82 is for a long time
Using needing replacing, and the switch of electric telescopic rod 87 is opened by Unscrew lid 84, allow electric telescopic rod 87 to
Upper movement, and then jacking block 88 is driven to move upwards, it is further driven to U-tube 82 and moves upwards, and then be convenient for changing U-tube 82,
By the way that the yield of methanol can be improved, and improve the concentration of Methanol Recovery.
Specifically, in order to can preferably be connect with other reactors, the communicating pipe 3 is " L " type.
Specifically, in order to can preferably fix, the pedestal of the centrifugal pump 12 is square.
Specifically, in order to prevent U-tube 82 rise support during it is excessive to the pressure of 82 bottom of U-tube and
Broken, the upper surface of the socket 89 is installed with foam-rubber cushion 891.
Specifically, in order to can facilitate rotate so that replace water suction after U-tube 82, and then improve methanol output and
Concentration, the lid 84 are dome-type.
Operation principle：The methanol mother liquor containing first alcohol and water is put into rectifying column 1 first and carries out rectifying, then contains first
The liquid of alcohol passes sequentially through the first condenser 4 and the second condenser 9, then collects the higher gas discharge of methanol content in turn
For being made for metamitron, and there will be cooling incomplete liquid when the liquid of methanol flows through the first condenser pipe 4, then into
One step flows into return tank 6, and completely cooling liquid does not likewise enter in return tank 6 the second condenser 9, then passes through reflux pump again
7 further reflux, can improve the yield of methanol, avoid wasting in this way, along with the gas after the condensation of the second condenser 9
Methanol may insure in the inner cavity of drier 8 U-tube 82 of the addition equipped with soda lime layer 83 containing water still with vapor
When the methanol gas of steam flows through, vapor can be reacted with soda lime, and then be further reduced vapor and returned to improve methanol
The concentration of receipts, and U-tube 82 is needed replacing in use for a long time, and electric telescopic rod is opened by Unscrew lid 84
87 switch allows electric telescopic rod 87 to move upwards, and then jacking block 88 is driven to move upwards, and it is upward to be further driven to U-tube 82
Movement, and then it is convenient for changing U-tube 82, by the way that the yield of methanol can be improved, and improve the concentration of Methanol Recovery.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of metamitron solvent methanol reclaimer, including rectifying column (1), it is characterised in that：Outside the rectifying column (1)
Side wall left end offers feed inlet (2), and the top of the rectifying column (1) is installed with one end of communicating pipe (3), and rectifying column
(1) inner cavity is connected with communicating pipe (3), and the other end of the communicating pipe (3) is plugged with the first condenser (4), and described first
The lower surface left end of condenser (4) is plugged with one end of communicating pipe (3), and the other end of the communicating pipe (3) is plugged with T-shape company
Siphunculus (5), and the upper end of T-shape communicating pipe (5) is connected with communicating pipe (3), the lower end inside of the T-shape communicating pipe (5)
Wall is plugged with one end of communicating pipe (3), and the other end of the communicating pipe (3) is installed with return tank (6), the return tank
(6) left end is plugged with one end of communicating pipe (3), and the other end of the communicating pipe (3) is plugged with reflux pump (7), the T-shape
The right end of communicating pipe (5) is plugged with one end of communicating pipe (3), and the other end of the communicating pipe (3) is plugged with drier (8), institute
The lower surface right end for stating the first condenser (4) is plugged with one end of communicating pipe (3), and the other end of the communicating pipe (3) is plugged with
The lower surface of second condenser (9), second condenser (9) is plugged with one end of communicating pipe (3), the communicating pipe (3)
The other end is plugged to the inner cavity left end of drier (8), and the top of the drier (8) is plugged with the first discharge nozzle (10), described
One end of the left side wall lower end grafting communicating pipe (3) of rectifying column (1) extends to the inner cavity of rectifying column (1), the communicating pipe (3)
The other end is plugged with reboiler (11), and the bottom end of the rectifying column (1) is plugged with one end of communicating pipe (3), the communicating pipe (3)
The other end be installed with centrifugal pump (12), the right end of the centrifugal pump (12) is installed with the second discharge nozzle (13)；
The drier (8) includes shell (81), and U-tube (82), the U-tube are offered in the middle part of the inner cavity of the shell (81)
(82) soda lime layer (83) is offered in the middle part of inner cavity, lid (84), the shell are bolted at the top of the shell (81)
(81) left and right ends offer jack (85), and jack (85) madial wall of the left end of shell (81) and communicating pipe (3) phase
Grafting, the shell (81) have jack (85) madial wall at end to be plugged with the first discharge nozzle of grafting (10), the shell
(81) left and right ends are installed with fixture block (86) in the middle part of madial wall, and fixture block (86) is mutually clamped with U-tube (82), described
The bottom of shell (81) is installed with electric telescopic rod (87), and jacking block is installed at the top of the electric telescopic rod (87)
(88), the upper surface of the jacking block (88) is installed with socket (89).
2. a kind of metamitron solvent methanol reclaimer according to claim 1, it is characterised in that：The communicating pipe
(3) it is " L " type.
3. a kind of metamitron solvent methanol reclaimer according to claim 1, it is characterised in that：The centrifugal pump
(12) pedestal is square.
4. a kind of metamitron solvent methanol reclaimer according to claim 1, it is characterised in that：The socket (89)
Upper surface be installed with foam-rubber cushion (891).
5. a kind of metamitron solvent methanol reclaimer according to claim 1, it is characterised in that：The lid (84)
For dome-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721802274.8U CN207944041U (en) | 2017-12-21 | 2017-12-21 | A kind of metamitron solvent methanol reclaimer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721802274.8U CN207944041U (en) | 2017-12-21 | 2017-12-21 | A kind of metamitron solvent methanol reclaimer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207944041U true CN207944041U (en) | 2018-10-09 |
Family
ID=63704482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721802274.8U Expired - Fee Related CN207944041U (en) | 2017-12-21 | 2017-12-21 | A kind of metamitron solvent methanol reclaimer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207944041U (en) |
-
2017
- 2017-12-21 CN CN201721802274.8U patent/CN207944041U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181009 Termination date: 20211221 |