CN220237797U - Light component removing tower for reducing light component discharge amount of dioxolane - Google Patents
Light component removing tower for reducing light component discharge amount of dioxolane Download PDFInfo
- Publication number
- CN220237797U CN220237797U CN202321774880.9U CN202321774880U CN220237797U CN 220237797 U CN220237797 U CN 220237797U CN 202321774880 U CN202321774880 U CN 202321774880U CN 220237797 U CN220237797 U CN 220237797U
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- China
- Prior art keywords
- fixedly arranged
- tower body
- dioxolane
- pipe
- tower
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- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 238000001816 cooling Methods 0.000 claims abstract description 35
- 239000000523 sample Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000005273 aeration Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims 2
- 238000005253 cladding Methods 0.000 claims 1
- 229940005605 valeric acid Drugs 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract description 57
- 239000007791 liquid phase Substances 0.000 abstract description 10
- 239000012071 phase Substances 0.000 abstract description 7
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 9
- 239000007921 spray Substances 0.000 description 8
- 238000009835 boiling Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 239000007792 gaseous phase Substances 0.000 description 6
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 150000002373 hemiacetals Chemical class 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000012043 crude product Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000011973 solid acid Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a light component removing tower for reducing the discharge amount of dioxolane light components, which belongs to the technical field of light component removing towers and comprises a tower body, wherein a cover body is fixedly arranged on the outer side of the tower body in a coating manner, a feeding pipe is fixedly arranged at the upper end of the tower body, an exhaust pipe is fixedly arranged at the middle position of the upper end of the tower body, a cooling cover is fixedly arranged at the upper end of the exhaust pipe, a discharge pipe is fixedly arranged at one side of the cooling cover, a discharge pipe is fixedly arranged at one side of the lower end of the tower body, supporting legs are fixedly arranged on the outer side of the lower end of the tower body, the upper end of the cooling cover is of a spherical structure, the lower end of the inner part of the cooling cover is of a conical structure, a cooling ring is fixedly arranged at the lower end of the inner part of the cooling cover, and when the light component removing tower is used, the transverse temperature of the inner part of the tower body is improved through a cover body and a temperature detecting probe, methanol is in a gas phase state and is discharged through the cooling cover, and condensed, thereby reducing the discharge amount of liquid phase and facilitating the treatment.
Description
Technical Field
The utility model relates to a light component removing tower for reducing the discharge amount of light components of dioxolane, and belongs to the technical field of light component removing towers.
Background
The synthesis of the dioxolane is based on the reaction of formaldehyde and glycol, and the reaction is firstly carried out at 75-85 ℃ to form hemiacetal, and the hemiacetal is used for synthesizing the dioxolane under the condition of a p-toluenesulfonic acid catalyst, and the synthesis of the dioxolane is continuously carried out. The reactor is a distillation still with the reaction mixture in boiling state. Continuously adding a hemiacetal to the reactor; at the same time, the product in the gas phase is also discharged from the reactor. The reaction product, i.e., dioxolane, requires that the light components of the dioxolane be separated by a light component removal column during the production of the dioxolane.
The publication number is: CN212076906U, a side-line reactive dioxolane production process device, comprising a reactive rectifying tower, an extraction rectifying tower, a heavy-removal tower and a light-removal tower, wherein the reactive rectifying tower comprises a reactive rectifying tower main body and a plurality of side-line reactors, the reactive rectifying tower main body is respectively and circularly connected with the plurality of side-line reactors along the vertical direction through a pipeline pump, a solid acid catalyst is filled in the side-line reactors, a raw material feed inlet is arranged in the middle of the reactive rectifying tower main body, a dilute formaldehyde recovery port is arranged at the bottom of the reactive rectifying tower main body, and a crude product outlet is arranged at the top of the reactive rectifying tower main body; the crude product outlet of the reaction rectifying tower is sequentially connected with the extraction rectifying tower, the heavy-removal tower and the light-removal tower through pipelines, the bottom of the extraction rectifying tower is also provided with an extractant recovery port, and the upper part of the extraction rectifying tower is also provided with an extractant feed inlet. The utility model realizes continuous production, simplifies the tower structure, reduces the manufacturing cost, and effectively improves the utilization rate of the catalyst, wherein the airspeed can be adjusted according to the needs.
Most of the light component is discharged methanol, the boiling point of the methanol is 64.8 ℃, the boiling point of dioxolane is 75.6, and when the dehydrogenation tower is used for discharging the methanol, the dioxolane is usually discharged, and the methanol is in a gas state during the discharge, so that the subsequent treatment is difficult.
Disclosure of Invention
The utility model aims to solve the problems and provide a light component removing tower for reducing the discharge amount of light components of dioxolane, which can conveniently discharge methanol in the dioxolane, and is in a liquid phase during discharge, so that the use is convenient.
The utility model realizes the aim through the following technical scheme that the light component removing tower for reducing the discharging amount of the dioxolane light component comprises a tower body, wherein a cover body is fixedly arranged on the outer side of the tower body in a wrapping way, a feeding pipe is fixedly arranged at the upper end of the tower body, an exhaust pipe is fixedly arranged at the middle position of the upper end of the tower body, a cooling cover is fixedly arranged at the upper end of the exhaust pipe, a discharging pipe is fixedly arranged at one side of the cooling cover, a supporting leg is fixedly arranged at the outer side of the lower end of the tower body, when the light component removing tower is used, the supporting leg is used for placing, and the feeding pipe is used for conveniently injecting the produced dioxolane into the interior of the tower body for light component removing, the gaseous methanol is discharged through the exhaust pipe, the liquid-phase dioxolane is discharged through the discharging pipe, the gaseous-phase methanol enters the interior of the cooling cover for condensation, the liquid-phase is formed, and the discharging pipe is discharged through the discharging pipe, so that the discharging amount is reduced, and the subsequent treatment is convenient.
Preferably, in order to make the dioxolane be heated uniformly for the methanol boiling is in the gaseous phase, the inside upper end fixed mounting of tower body has the spray board, just the feed liquor end of spray board with the inlet pipe is linked together, the lower extreme one side fixed mounting of the cover body has the inlet tube, just the upper end one side fixed mounting of the cover body has the outlet pipe, when using, through the inlet tube with the outlet pipe is convenient for pour into the constant temperature water into the inside of the cover body, and circulate, make the inside temperature of tower body keep invariable, and through the inlet tube, make the dioxolane enter into the inside of spray board, evenly spray to the inside of tower body is heated uniformly, and the lower methanol boiling of boiling point forms the gaseous phase, discharges, and the dioxolane liquid phase discharges, improves the purity of dioxolane.
Preferably, in order to be convenient for detect the inside temperature of tower body, the inside fixed mounting of lower extreme of tower body has the back shaft, the upper end fixed mounting of back shaft has temperature detecting probe, the lower extreme fixed mounting of tower body has the temperature detecting instrument, just temperature detecting probe with temperature detecting instrument is electric connection mutually, fixed mounting has the aeration ring on the back shaft, just the inside spiral fixed mounting of cover body has the air supply pipe, the one end of air supply pipe with the aeration ring is linked together, the outside one side fixed mounting of cover body has the intake pipe, just the intake pipe with the other end of air supply pipe is linked together, when using, through the back shaft, be convenient for to the inside temperature of tower body detects, keeps the inside temperature of tower is invariable, and through the spiral the air supply pipe for outside inert gas is through after the inside homothermal liquid of cover body heats, through the aeration ring is pressed, is carried out the inside the tower body, is convenient for discharge with the methanol of gaseous phase, facilitates the use.
Preferably, in order to facilitate the condensation of the gaseous phase methanol, the upper end of the cooling cover is of a spherical structure, the lower end of the inside of the cooling cover is of a conical structure, a cooling ring is fixedly arranged at the lower end of the inside of the cooling cover, and the gaseous phase methanol is conveniently condensed through the cooling cover and the cooling ring and is discharged through the discharge pipe.
The beneficial effects of the utility model are as follows: when the device is used, the transverse direction of the internal temperature of the tower body is improved through the cover body and the temperature detection probe, methanol is in a gas phase state and is discharged, and the device is condensed through the cooling cover to discharge formaldehyde in a liquid phase, so that the discharge amount in the gas phase is reduced, the device is convenient to process and use.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of a partial structure of the present utility model.
FIG. 3 is a schematic view of the cooling hood according to the present utility model.
In the figure: 1. a tower body; 2. a cover body; 3. a feed pipe; 4. an exhaust pipe; 5. a cooling cover; 6. a discharge pipe; 7. a discharge pipe; 8. support legs; 9. a spray plate; 10. a water inlet pipe; 11. a water outlet pipe; 12. a support shaft; 13. a temperature detection probe; 14. a temperature detector; 15. an aeration ring; 16. an air supply pipe; 17. an air inlet pipe; 18. and (3) cooling the ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a light component removal tower for reducing the emission of dioxolane light components comprises a tower body 1, wherein a cover body 2 is fixedly arranged on the outer side of the tower body 1 in a wrapping manner, a feed pipe 3 is fixedly arranged at the upper end of the tower body 1, an exhaust pipe 4 is fixedly arranged at the middle position of the upper end of the tower body 1, a cooling cover 5 is fixedly arranged at the upper end of the exhaust pipe 4, a discharge pipe 6 is fixedly arranged at one side of the cooling cover 5, a discharge pipe 7 is fixedly arranged at one side of the lower end of the tower body 1, support legs 8 are fixedly arranged at the outer side of the lower end of the tower body 1, when the light component removal tower is used, the support legs 8 are used for placing, and the produced dioxolane is conveniently injected into the tower body 1 through the feed pipe 3 for light component removal, and the liquid-phase methanol is discharged through the exhaust pipe 4, the liquid-phase dioxolane is fixedly arranged in the discharge pipe 7, and the gas-phase methanol enters the cooling cover 5 for condensation to form the liquid phase, and is discharged through the discharge pipe 6 for reducing the emission, so that the subsequent treatment is convenient.
As shown in fig. 2, a spray plate 9 is fixedly arranged at the upper end of the inside of the tower body 1, the liquid inlet end of the spray plate 9 is communicated with the feed pipe 3, a water inlet pipe 10 is fixedly arranged at one side of the lower end of the cover body 2, a water outlet pipe 11 is fixedly arranged at one side of the upper end of the cover body 2, when the device is used, constant-temperature water is conveniently injected into the inside of the cover body 2 through the water inlet pipe 10 and the water outlet pipe 11 and circulated, so that the internal temperature of the tower body 1 is kept constant, dioxolane enters the inside of the spray plate 9 through the feed pipe 3 and is uniformly sprayed into the inside of the tower body 1, methanol with a lower boiling point is heated uniformly, a gas phase is formed, the liquid phase of the dioxolane is discharged, and the purity of the dioxolane is improved.
As shown in fig. 2, a support shaft 12 is fixedly installed inside the lower end of the tower body 1, a temperature detection probe 13 is fixedly installed at the upper end of the support shaft 12, a temperature detector 14 is fixedly installed at the lower end of the tower body 1, the temperature detection probe 13 is electrically connected with the temperature detector 14, an aeration ring 15 is fixedly installed on the support shaft 12, an air supply pipe 16 is fixedly installed inside the cover body 2 in a spiral manner, one end of the air supply pipe 16 is communicated with the aeration ring 15, an air inlet pipe 17 is fixedly installed on one side of the outer portion of the cover body 2, the air inlet pipe 17 is communicated with the other end of the air supply pipe 16, when the air conditioner is used, the temperature of the central position inside the tower body 1 is conveniently detected through the support shaft 12, the temperature inside the tower body 1 is kept constant, and after the external inert gas is heated through the spiral air supply pipe 16, the internal constant temperature liquid inside the cover body 2 is conveniently discharged through the aeration ring 15, and the air conditioner is conveniently used.
As shown in fig. 3, the upper end of the cooling cover 5 has a spherical structure, the lower end of the inside of the cooling cover 5 has a conical structure, a cooling ring 18 is fixedly arranged at the lower end of the inside of the cooling cover 5, and the cooling cover 5 and the cooling ring 18 facilitate the condensation of the methanol in the gas phase and the discharge of the methanol through the discharge pipe 6.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. The utility model provides a reduce light tower of deoxo-valeric acid light components emission which characterized in that: including tower body (1), the outside cladding fixed mounting of tower body (1) has cover body (2), just the upper end fixed mounting of tower body (1) has inlet pipe (3), the upper end intermediate position fixed mounting of tower body (1) has blast pipe (4), just the upper end fixed mounting of blast pipe (4) has cooling cover (5), one side fixed mounting of cooling cover (5) has discharge pipe (6), just the lower extreme one side fixed mounting of tower body (1) has discharging pipe (7), equal fixed mounting in the lower extreme outside of tower body (1) has supporting leg (8).
2. A light ends column for reducing emissions of dioxolane light components according to claim 1, wherein: the upper end of the inside of the tower body (1) is fixedly provided with a spraying plate (9), and the liquid inlet end of the spraying plate (9) is communicated with the feeding pipe (3).
3. A light ends column for reducing emissions of dioxolane light components according to claim 1, wherein: a water inlet pipe (10) is fixedly arranged at one side of the lower end of the cover body (2), and a water outlet pipe (11) is fixedly arranged at one side of the upper end of the cover body (2).
4. A light ends column for reducing emissions of dioxolane light components according to claim 1, wherein: the novel tower is characterized in that a supporting shaft (12) is fixedly arranged in the lower end of the tower body (1), a temperature detection probe (13) is fixedly arranged at the upper end of the supporting shaft (12), a temperature detector (14) is fixedly arranged at the lower end of the tower body (1), and the temperature detection probe (13) is electrically connected with the temperature detector (14).
5. The light ends removal column for reducing light ends emissions of dioxolane according to claim 4, wherein: an aeration ring (15) is fixedly mounted on the support shaft (12), an air supply pipe (16) is fixedly mounted in the cover body (2) in a spiral mode, and one end of the air supply pipe (16) is communicated with the aeration ring (15).
6. A light ends column for reducing emissions of dioxolane light components according to claim 5, wherein: an air inlet pipe (17) is fixedly arranged on one side of the outer part of the cover body (2), and the air inlet pipe (17) is communicated with the other end of the air supply pipe (16).
7. A light ends column for reducing emissions of dioxolane light components according to claim 1, wherein: the upper end of the cooling cover (5) is of a spherical structure, and the lower end of the inside of the cooling cover (5) is of a conical structure.
8. The light ends column for reducing light ends emissions of dioxolane according to claim 7, wherein: a cooling ring (18) is fixedly arranged at the lower end of the inside of the cooling cover (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321774880.9U CN220237797U (en) | 2023-07-07 | 2023-07-07 | Light component removing tower for reducing light component discharge amount of dioxolane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321774880.9U CN220237797U (en) | 2023-07-07 | 2023-07-07 | Light component removing tower for reducing light component discharge amount of dioxolane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220237797U true CN220237797U (en) | 2023-12-26 |
Family
ID=89232091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321774880.9U Active CN220237797U (en) | 2023-07-07 | 2023-07-07 | Light component removing tower for reducing light component discharge amount of dioxolane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220237797U (en) |
-
2023
- 2023-07-07 CN CN202321774880.9U patent/CN220237797U/en active Active
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