CN209464624U - A kind of 2,2- dimethoxy propane continuous rectification apparatus - Google Patents
A kind of 2,2- dimethoxy propane continuous rectification apparatus Download PDFInfo
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- CN209464624U CN209464624U CN201821958150.3U CN201821958150U CN209464624U CN 209464624 U CN209464624 U CN 209464624U CN 201821958150 U CN201821958150 U CN 201821958150U CN 209464624 U CN209464624 U CN 209464624U
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- column
- rectifying
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- column plate
- rectifying column
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- HEWZVZIVELJPQZ-UHFFFAOYSA-N 2,2-dimethoxypropane Chemical compound COC(C)(C)OC HEWZVZIVELJPQZ-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 13
- 238000003306 harvesting Methods 0.000 claims description 13
- 238000010992 reflux Methods 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 238000004821 distillation Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012024 dehydrating agents Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003223 protective agent Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses one kind 2, 2- dimethoxy propane continuous rectification apparatus, pass through threeway feed pipe, feed pump, the setting of material passing tube and material storing box can flexible modulation wait for that rectifying mixture enters the path of rectifying column, both the injection under normal condition to rectifying mixture can have been guaranteed, it again can be being fed in the case where the input terminal to rectifying mixture, which goes wrong, to be fed using material storing box, guarantee the smooth progress of distillation process, pass through the first column plate, second column plate, the setting of round through slot, increase mass-transfer progress, improve continuous rectification effect, furthermore by diversion column and spiral stream guidance part to gaseous state 2, 2- dimethoxy propane and azeotropic mixture carry out water conservancy diversion, and assembles the drop in azeotropic mixture during water conservancy diversion and fall, improve 2, 2- dimethoxy propane purity, furthermore water is reduced by insulating layer to steam The heat loss of gas improves energy utilization rate.
Description
Technical field
The utility model relates to technical field of chemical production equipment, specific field is that a kind of 2,2-dimethoxypropane is continuous
Rectifier unit.
Background technique
2,2-dimethoxypropane is a kind of colorless liquid organic matter, -47 DEG C of fusing point, 83 DEG C of boiling point, is slightly soluble in water, is dissolved in
Most organic solvents may be used as hydroxy-protecting agent, dehydrating agent, epoxy agent and condensing agent, is widely used in Biochemical Research and has
The fields such as machine synthesis, methanol can be used in production and acetone is that raw material prepares 2,2-dimethoxypropane, and reaction product needs
By filtering and continuous rectification to obtain high-purity 2,2-dimethoxypropane, wherein continuous rectification is to make liquid mixed using reflux
It closes object and obtains high-purity separation, not can guarantee original if raw material input terminal goes wrong in 2,2-dimethoxypropane distillation process
Material supply, influences rectification efficiency, for this purpose, we have proposed a kind of 2,2-dimethoxypropane continuous rectification apparatus.
Utility model content
The purpose of this utility model is to provide a kind of 2,2-dimethoxypropane continuous rectification apparatus, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of 2,2-dimethoxypropane continuous fine
Distillation unit, including rectifying column are equipped with support frame on the rectifying column, and the side wall of the rectifying column is communicated with threeway feed pipe
One end, the another both ends of the threeway feed pipe are respectively communicated with the discharge end of feed pump and the outlet end of material passing tube, the threeway
Feed pipe is equipped with three-way valve, and the feed end of the feed pump is communicated with material storing box by connecting tube, the material passing tube into
Liquid end is connected to the material storing box, and the upper side wall of the rectifying column is communicated with one end of discharge nozzle, and the other end of the discharge nozzle connects
It is connected with the feed end of condenser, the liquid discharge end of the condenser is connected with the feed end of return tank by connecting tube, described
The liquid discharge end of return tank is communicated with Material collecting box for harvesting by connecting tube, the gas discharge end of the condenser and the return tank
Gas outlet end is connected with two upstream ends of triple valve, and the output end of the triple valve is connected to the rectifying column, described
The lower wall of rectifying column is communicated with one end of circulation fluid discharge nozzle, and the other end of the circulation fluid discharge nozzle is communicated with reboiler
The outlet end of liquid feeding end, the reboiler is connected to the rectifying column by circulation fluid feed pipe；
The inside of the rectifying column is uniformly provided with the first column plate, and round through slot is symmetrically arranged on first column plate, described
The inner sidewall of rectifying column and be located at first column plate above be symmetrically arranged with the second column plate, the upper table of the first column plate described in bottom
Middle face is equipped with one end of diversion column, and the other end of the diversion column runs through and extend top first column plate, described
The side wall of diversion column is uniformly provided with spiral stream guidance part, and the right outside sidewall of the Material collecting box for harvesting is equipped with support rod, the support rod it is upper
Surface is connected with electric cabinet by attachment base.
Preferably, second column plate is inclined to set, and the inner sidewall of second column plate is highly higher than described the vertically
The vertical height of the lateral wall of two column plates.
Preferably, the lateral wall of the circulation fluid feed pipe is enclosed with insulating layer.
Preferably, the pipeline of the triple valve is equipped with reflux pump, and the electric cabinet is electrically connected by control switch
The feed pump, the condenser, the reboiler and the reflux pump.
Preferably, the rectifying column is equipped with pressure gauge, and the Material collecting box for harvesting is equipped with observation window.
Compared with prior art, the utility model has the beneficial effects that by threeway feed pipe, feed pump, material passing tube and
Material storing box setting can flexible modulation wait for that rectifying mixture enters the path of rectifying column, can both guarantee under normal condition to rectifying
The injection of mixture, and can be using material storing box in the case where the input terminal to rectifying mixture, which goes wrong, to be fed
It is fed, guarantees the smooth progress of distillation process, by the setting of the first column plate, the second column plate, round through slot, increased gas-liquid and pass
Matter process improves continuous rectification effect, furthermore by diversion column and spiral stream guidance part to gaseous state 2,2-dimethoxypropane and altogether
It boils object and carries out water conservancy diversion, and assemble the drop in azeotropic mixture during water conservancy diversion and fall, improve 2,2-dimethoxypropane purity,
Furthermore the heat loss that vapor is reduced by insulating layer, improves energy utilization rate.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the utility model；
Fig. 2 is the schematic diagram of internal structure of the rectifying column of the utility model；
Fig. 3 is the rectifying column inside top structural schematic diagram of the utility model.
In figure: 1- rectifying column, 2- support frame, 3- threeway feed pipe, 4- feed pump, 5- material storing box, 6- discharge nozzle, 7- condensation
Device, 8- return tank, 9- Material collecting box for harvesting, 10- triple valve, 11- reboiler, 12- circulation fluid feed pipe, the first column plate of 13-, 14- are round
Through slot, the second column plate of 15-, 16- diversion column, 17- spiral stream guidance part, 18- support rod, 19- electric cabinet, 20- insulating layer, 21- are returned
Flow pump, 22- pressure gauge, 23- observation window, 24- material passing tube.
Specific embodiment
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
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of 2,2-dimethoxypropane continuous rectification dress
It sets, including rectifying column 1, support frame 2 is installed on the rectifying column, fixed rectifying column, the rectifying column are supported by support frame
Side wall be communicated with one end of threeway feed pipe 3, the another both ends of the threeway feed pipe are respectively communicated with the discharge end of feed pump 4
With the outlet end of material passing tube 24, the threeway feed pipe is equipped with three-way valve, and the feed end of the feed pump passes through connecting tube
Be communicated with material storing box 5, the liquid feeding end of the material passing tube is connected to the material storing box, by threeway feed pipe, feed pump, material passing tube and
Material storing box setting can flexible modulation wait for that rectifying mixture enters the path of rectifying column, can both guarantee under normal condition to rectifying
The injection of mixture, and can be using material storing box in the case where the input terminal to rectifying mixture, which goes wrong, to be fed
It is fed, guarantees the smooth progress of distillation process, the upper side wall of the rectifying column is communicated with one end of discharge nozzle 6, the discharging
The other end of pipe is communicated with the feed end of condenser 7, and the liquid discharge end of the condenser is connected with return tank 8 by connecting tube
Feed end, the liquid discharge end of the return tank is communicated with Material collecting box for harvesting 9, the gas discharge end of the condenser by connecting tube
It is connected with two upstream ends of triple valve 10 with the gas outlet end of the return tank, the output end connection of the triple valve
The rectifying column, gaseous state 2,2-dimethoxypropane and azeotropic mixture enter in cooler and return tank along discharge nozzle to be cooled back
Stream process, liquefaction 2,2-dimethoxypropane enter in Material collecting box for harvesting, the component that do not liquefy along triple valve pass back into rectifying column continue into
Row rectification process, the lower wall of the rectifying column are communicated with one end of circulation fluid discharge nozzle, the circulation fluid discharge nozzle it is another
End is communicated with the liquid feeding end of reboiler 11, and the outlet end of the reboiler is connected to the rectifying column by circulation fluid feed pipe 12,
It is recycled by reboiler to rectifying column and is passed through vapor, rectification process is carried out to component in rectifying column；
The inside of the rectifying column is uniformly provided with the first column plate 13, and round through slot 14 is symmetrically arranged on first column plate,
The inner sidewall of the rectifying column and be located at first column plate above be symmetrically arranged with the second column plate 15, the first column plate described in bottom
Upper surface middle part be equipped with diversion column one end 16 one end, the other end of the diversion column 16 run through and extend top institute
The first column plate 13 is stated, the side wall of the diversion column is uniformly provided with spiral stream guidance part 17, passes through the first column plate, the second column plate, circle
The setting of through slot increases mass-transfer progress, improves continuous rectification effect, furthermore by diversion column and spiral stream guidance part to gaseous state
2,2-dimethoxypropane and azeotropic mixture carry out water conservancy diversion, and assemble the drop in azeotropic mixture during water conservancy diversion and fall, and improve
The right outside sidewall of 2,2-dimethoxypropane purity, the Material collecting box for harvesting is equipped with support rod 18, and the upper surface of the support rod passes through
Attachment base is connected with electric cabinet 19.
Specifically, second column plate is inclined to set, the inner sidewall of second column plate is highly higher than described vertically
The vertical height of the lateral wall of second column plate.
Specifically, the lateral wall of the circulation fluid feed pipe is enclosed with insulating layer 20.
Specifically, the pipeline of the triple valve is equipped with reflux pump 21, the electric cabinet is electric respectively by control switch
Connect the feed pump, the condenser, the reboiler and the reflux pump.
Specifically, the rectifying column is equipped with pressure gauge 22, the Material collecting box for harvesting is equipped with observation window 23, passes through pressure gauge
Rectifying tower pressure interior force is observed, 2,2-dimethoxypropane in Material collecting box for harvesting is observed by observation window.
Working principle: the utility model provides a kind of 2,2-dimethoxypropane continuous rectification apparatus, passes through threeway first
Valve makes material passing tube and threeway feed pipe is in connected state, is passed through into material storing box to rectifying mixture, upper with liquid level
Entering in rectifying column to rectifying mixture along material passing tube in material storing box is risen, reboiler is controlled by electric cabinet and is continued vapor
Enter rectifying column by circulation fluid feed pipe and carry out rectifying, to 2,2-dimethoxypropane in rectifying mixture and azeotropic mixture gas
Change, in gaseous form along round through slot and the left and right sides the second column plate gap moves upwards and the spiral shell under the water conservancy diversion of spiral stream guidance part
Liter is screwed on, by the setting of the first column plate, the second column plate, round through slot, increases mass-transfer progress, improves continuous rectification effect
Furthermore fruit carries out water conservancy diversion to gaseous state 2,2-dimethoxypropane and azeotropic mixture by diversion column and spiral stream guidance part, and in water conservancy diversion
In the process assemble the drop in azeotropic mixture to fall, improves 2,2-dimethoxypropane purity, gaseous state 2,2-dimethoxypropane
Enter progress cooling for reflux processing in cooler and return tank along discharge nozzle with azeotropic mixture, liquefaction 2,2-dimethoxypropane enters
In Material collecting box for harvesting, the component that do not liquefy passes back into rectifying column along triple valve and continues rectification process, if the input to rectifying mixture
End goes wrong and can not be fed, and changeable three-way valve makes threeway feed pipe be connected with feed pump, will by feed pump
Raw material, which is pumped into rectifying column, in material storing box continues rectification process.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of 2,2-dimethoxypropane continuous rectification apparatus, including rectifying column (1), it is characterised in that: the rectifying column (1)
On be equipped with support frame (2), the side wall of the rectifying column (1) is communicated with one end of threeway feed pipe (3), the threeway feed pipe
(3) another both ends are respectively communicated with the discharge end of feed pump (4) and the outlet end of material passing tube (24), the threeway feed pipe (3)
It is equipped with three-way valve, the feed end of the feed pump (4) is communicated with material storing box (5) by connecting tube, the material passing tube (24)
Liquid feeding end be connected to the material storing box (5), the upper side wall of the rectifying column (1) is communicated with one end of discharge nozzle (6), the discharging
The other end of pipe (6) is communicated with the feed end of condenser (7), and the liquid discharge end of the condenser (7) is connected by connecting tube
There is the feed end of return tank (8), the liquid discharge end of the return tank (8) is communicated with Material collecting box for harvesting (9) by connecting tube, described cold
The gas discharge end of condenser (7) and the gas outlet end of the return tank (8) are connected with two upstream ends of triple valve (10)
Logical, the output end of the triple valve (10) is connected to the rectifying column (1), and the lower wall of the rectifying column (1) is communicated with circulation fluid
One end of discharge nozzle, the other end of the circulation fluid discharge nozzle are communicated with the liquid feeding end of reboiler (11), the reboiler (11)
Outlet end be connected to the rectifying column (1) by circulation fluid feed pipe (12)；
The inside of the rectifying column (1) is uniformly provided with the first column plate (13), is symmetrically arranged on first column plate (13) round logical
Slot (14), the inner sidewall of the rectifying column (1) and be located at first column plate (13) above be symmetrically arranged with the second column plate (15),
The upper surface middle part of first column plate (13) described in bottom is equipped with one end of diversion column (16), the other end of the diversion column (16)
Running through and extends top first column plate (13), the side wall of the diversion column (16) is uniformly provided with spiral stream guidance part (17),
The right outside sidewall of the Material collecting box for harvesting (9) is equipped with support rod (18), and the upper surface of the support rod (18) is connected with by attachment base
Electric cabinet (19).
2. a kind of 2,2-dimethoxypropane continuous rectification apparatus according to claim 1, it is characterised in that: described second
Column plate (15) is inclined to set, and the inner sidewall of second column plate (15) is highly higher than the outside of second column plate (15) vertically
The vertical height of wall.
3. a kind of 2,2-dimethoxypropane continuous rectification apparatus according to claim 1, it is characterised in that: the circulation
The lateral wall of liquid feed pipe (12) is enclosed with insulating layer (20).
4. a kind of 2,2-dimethoxypropane continuous rectification apparatus according to claim 1, it is characterised in that: the threeway
The pipeline of valve (10) is equipped with reflux pump (21), and the electric cabinet (19) is electrically connected the feed pump by control switch
(4), the condenser (7), the reboiler (11) and the reflux pump (21).
5. a kind of 2,2-dimethoxypropane continuous rectification apparatus according to claim 1, it is characterised in that: the rectifying
Tower (1) is equipped with pressure gauge (22), and the Material collecting box for harvesting (9) is equipped with observation window (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821958150.3U CN209464624U (en) | 2018-11-27 | 2018-11-27 | A kind of 2,2- dimethoxy propane continuous rectification apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821958150.3U CN209464624U (en) | 2018-11-27 | 2018-11-27 | A kind of 2,2- dimethoxy propane continuous rectification apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209464624U true CN209464624U (en) | 2019-10-08 |
Family
ID=68087940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821958150.3U Expired - Fee Related CN209464624U (en) | 2018-11-27 | 2018-11-27 | A kind of 2,2- dimethoxy propane continuous rectification apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209464624U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112451986A (en) * | 2020-12-11 | 2021-03-09 | 浙江开化合成材料有限公司 | Rectification equipment and rectification control method |
| CN114213223A (en) * | 2021-12-08 | 2022-03-22 | 浙江胡涂硅有限公司 | Production process and production device of 2, 2-dimethoxypropane |
-
2018
- 2018-11-27 CN CN201821958150.3U patent/CN209464624U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112451986A (en) * | 2020-12-11 | 2021-03-09 | 浙江开化合成材料有限公司 | Rectification equipment and rectification control method |
| CN114213223A (en) * | 2021-12-08 | 2022-03-22 | 浙江胡涂硅有限公司 | Production process and production device of 2, 2-dimethoxypropane |
| CN114213223B (en) * | 2021-12-08 | 2024-02-02 | 浙江胡涂硅有限公司 | Production process and production device of 2, 2-dimethoxy propane |
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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 |
Granted publication date: 20191008 |