CN212440107U - Device for rectifying and separating acidic materials - Google Patents
Device for rectifying and separating acidic materials Download PDFInfo
- Publication number
- CN212440107U CN212440107U CN202020510759.5U CN202020510759U CN212440107U CN 212440107 U CN212440107 U CN 212440107U CN 202020510759 U CN202020510759 U CN 202020510759U CN 212440107 U CN212440107 U CN 212440107U
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- Prior art keywords
- pipeline
- tank
- absorption tower
- collecting tank
- condenser
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- 239000000463 material Substances 0.000 title claims abstract description 74
- 230000002378 acidificating effect Effects 0.000 title claims description 11
- 238000010521 absorption reaction Methods 0.000 claims abstract description 69
- 238000000926 separation method Methods 0.000 claims abstract description 10
- 238000004821 distillation Methods 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 230000005574 cross-species transmission Effects 0.000 claims description 4
- 239000002253 acid Substances 0.000 abstract description 9
- 239000010865 sewage Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000003860 storage Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000004891 communication Methods 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
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to a device for acid material rectification separation, including stills, the stills top is equipped with the rectifying column, and rectifying column top discharge gate passes through pipeline and material condenser intercommunication, material condenser discharge gate communicates respectively through pipeline and preceding tail-run collection tank and product collection tank, and preceding tail-run collection tank and product collection tank communicate with overflowing material condenser through the pipeline respectively, it passes through pipeline and overflows the material collection tank intercommunication to overflow the material condenser discharge gate, it passes through pipeline and one-level absorption tank intercommunication to overflow the material collection tank, the material collection tank that overflows passes through the pipeline, and the one-level absorption tank top is equipped with the one-level absorption tower, and the one-level absorption tower discharge gate passes through pipeline and second grade absorption tank intercommunication, and second grade absorption tank top is equipped with the second grade absorption tower, and the second grade absorption tower discharge gate passes through pipeline and vacuum. The utility model discloses reduce sewage and produce, make vacuum more stable, the rectification speed accelerates.
Description
Technical Field
The utility model belongs to the chemical industry equipment field relates to a device for acid material rectification separation.
Background
In the chemical production process, when the purity of the product is improved by distillation or rectification, most of the product is acidic, a water jet pump is generally adopted to provide vacuum, the generated acidic gas is absorbed by water to generate a large amount of wastewater, and a large amount of manpower and capital are consumed for treating the wastewater. The air extraction amount of the water jet vacuum pump is small, each set of rectification system needs to be provided with one set of vacuum pump, the investment cost of equipment is high, the installation is complex, and the energy consumption of the equipment is high. In the operation process of the water jet pump, the vacuum degree can be reduced and the vacuum is unstable due to the rising of the water temperature, so that the rectification speed is influenced.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a device for acid material rectification separation adopts mechanical vacuum pump, and the air exhaust is big, does not produce waste water, and the vacuum is stable, and the energy consumption is low, increases the productivity effect, reduces environmental pollution, reduces equipment investment cost, the energy consumption that reduces.
The utility model discloses a scheme:
the utility model provides a device for acid material rectification separation, includes stills, and the stills top is equipped with the rectifying column, and rectifying column top discharge gate passes through pipeline and material condenser intercommunication, material condenser discharge gate communicates respectively through pipeline and preceding tail-run collection tank and product collection tank respectively, and preceding tail-run collection tank and product collection tank communicate with overflowing material condenser through the pipeline respectively, overflow material condenser discharge gate and overflow material collection tank intercommunication through the pipeline, overflow the material collection tank and pass through pipeline and one-level absorption tank intercommunication, and the one-level absorption tank top is equipped with the one-level absorption tower, and the one-level absorption tower discharge gate passes through pipeline and second grade absorption tank intercommunication, and second grade absorption tank top is equipped with the second grade absorption tower, and the second grade absorption tower discharge gate passes through pipeline and vacuum pump intercommunication.
Preferably, the distillation kettle, the rectifying tower, the front-end and tail-end distillation collecting tank, the product collecting tank, the primary absorption tower and the collecting tank adopt glass lining equipment.
Preferably, the material condenser and the overflowing material condenser adopt graphite condensers.
Preferably, the vacuum pump is a mechanical vacuum pump.
Preferably, the overflow material condenser is communicated with a plurality of front-end tailing collecting tanks and a product collecting tank.
Preferably, the discharge port at the bottom of the first-stage absorption tank is communicated with the discharge port at the top of the first-stage absorption tower through a pipeline and a circulating pump, and the discharge port at the bottom of the second-stage absorption tank is communicated with the discharge port at the top of the second-stage absorption tower through a pipeline and a circulating pump.
The utility model discloses beneficial effect:
1. the device has the advantages of simple structure, reasonable design, and simple and convenient manufacture and use, and not only can replace the common water jet pump with a mechanical pump to reduce the generation of sewage, ensure more stable vacuum degree and accelerate the rectification speed;
2. the vacuum pump has large air extraction amount, and one vacuum pump can be provided with a plurality of sets of rectification systems at the same time, thereby reducing energy consumption and production cost.
Drawings
FIG. 1 is a schematic view of the system of the present invention;
wherein: still 1, rectifying column 2, material condenser 3, preceding tail-end distillation holding vessel 4, product holding vessel 5 overflows material condenser 6, overflows material holding vessel 7, one-level absorption tower 8, one-level absorption tank 9, second grade absorption tower 10, second grade absorption tank 11, vacuum pump 12.
Detailed Description
Example 1
As shown in figure 1, the device for rectifying and separating the acidic materials comprises a distillation still 1, a rectifying tower 2 is arranged above the distillation still 1, a discharge hole at the top of the rectifying tower 2 is communicated with a material condenser 3 through a pipeline, the discharge port of the material condenser 3 is respectively communicated with a front tail-run collecting tank 4 and a product collecting tank 5 through pipelines, the front tail-run collecting tank 4 and the product collecting tank 5 are respectively communicated with an overflowing material condenser 6 through pipelines, spill over 6 discharge gates of material condenser and spill over 7 intercommunications of material holding vessel through the pipeline, spill over material holding vessel 7 and pass through pipeline and 9 intercommunications of one-level absorption tank, be equipped with one-level absorption tower 8 above one-level absorption tank 9, the 8 discharge gates of one-level absorption tower pass through pipeline and 11 intercommunications of second grade absorption tank, and 11 tops of second grade absorption tank are equipped with second grade absorption tower 10, and the 10 discharge gates of second grade absorption tower pass through pipeline and vacuum pump 12 intercommunication.
Preferably, the distillation kettle 1, the rectifying tower 2, the front-end and tail-end distillation collecting tank 4, the product collecting tank 5, the primary absorption tower 8 and the collecting tank 9 adopt glass lining equipment.
Preferably, the material condenser 3 and the overflowing material condenser 6 adopt graphite condensers.
Preferably, the vacuum pump 12 is a mechanical vacuum pump.
Preferably, the overflow material condenser 6 is in communication with a number of front end run collection tanks 4 and product collection tanks 5.
Preferably, the discharge port at the bottom of the first-stage absorption tank 9 is communicated with the discharge port at the top of the first-stage absorption tower 8 through a pipeline by a circulating pump, and the discharge port at the bottom of the second-stage absorption tank 11 is communicated with the discharge port at the top of the second-stage absorption tower 10 through a pipeline by a circulating pump.
The working principle is as follows:
the distillation kettle 1 heats materials by using a jacket, the materials are evaporated through a rectifying tower 2 in a vacuum state, gradually reach the top, are cooled by a condenser 3 to form liquid, and are collected into a front tail distillation storage tank 4 or a finished product storage tank 5, a vacuum system is extracted from the front tail distillation storage tank 4 and the finished product storage tank 5, enters an overflow material condenser 6 through a pipeline for cooling, collects the materials into a storage tank 7, collects the materials into an absorption tank 9 after being absorbed by a primary absorption tower 8, then absorbs the materials by a secondary absorption tower 10, collects the materials into an absorption tank 11, vacuumizes the materials by a mechanical vacuum pump 12, and discharges the materials into a tail gas absorption system for treatment.
A rectifying still is adopted to distill acid materials, the distilling still 1, the distilling tower 2, the front-end distillation storage tank 4 and the finished product storage tank 5 are all glass lining equipment, and the material condenser 3 is a graphite condenser.
Overflow material condenser 6 and adopt the graphite condenser, lead to the refrigerated water, and the condensation material is collected to overflowing in the material collecting tank 7, overflows material collecting tank 7 and can collect the material, also can deposit the vacuum, and when using many sets of rectification system, the feeding or the initial stage takes the vacuum time other systems vacuum and does not take place obvious change, does not influence other rectification system rectification speed.
The first-stage absorption tower 8 absorbs acid gas by adopting water circulation, collects the acid gas to the first-stage absorption tank 9 and circulates back and forth, the first-stage absorption tower 8 and the first-stage absorption tank 9 are both made of glass lining materials, absorbed water is transferred to prepare hydrochloric acid after reaching a certain concentration, and make-up water in the tower is absorbed again.
After the first-stage absorption, the absorption liquid enters a second-stage absorption tower 10 for secondary absorption and is collected into a second-stage absorption tank 11, secondary absorption liquid is absorbed by 5% alkali liquor, acid gas which is not absorbed by the first-stage absorption liquid is absorbed again, sublimed acid materials are absorbed, it is ensured that gas pumped out by a mechanical vacuum pump is neutral or alkalescent, the absorbed liquid is discharged when being alkalescent, and sodium chloride materials are recovered by MVO distillation.
After the secondary absorption, the vacuum is pumped by the mechanical vacuum pump 12, the rectification system is vacuumized, and the rectification system is ensured to rectify materials under high vacuum.
When the overflowing material condenser 6 and the overflowing material collecting tank 7 collect materials, the same vacuum system can be used for the same material, and each system can be provided with 5 sets of rectification systems.
Claims (6)
1. A device for the rectification separation of acidic materials comprises a distillation still (1) and is characterized in that: a rectifying tower (2) is arranged above the distillation still (1), a discharge hole at the top of the rectifying tower (2) is communicated with a material condenser (3) through a pipeline, the discharge port of the material condenser (3) is respectively communicated with the front tailing collecting tank (4) and the product collecting tank (5) through pipelines, the front tailing collecting tank (4) and the product collecting tank (5) are respectively communicated with the overflowing material condenser (6) through pipelines, the discharge hole of the overflowing material condenser (6) is communicated with an overflowing material collecting tank (7) through a pipeline, spill over material collecting tank (7) and pass through pipeline and one-level absorption tank (9) intercommunication, one-level absorption tank (9) top is equipped with one-level absorption tower (8), and one-level absorption tower (8) discharge gate passes through pipeline and second grade absorption tank (11) intercommunication, and second grade absorption tower (11) top is equipped with second grade absorption tower (10), and second grade absorption tower (10) discharge gate passes through pipeline and vacuum pump (12) intercommunication.
2. The apparatus for the rectification separation of acidic materials according to claim 1, characterized in that: the distillation kettle (1), the rectifying tower (2), the front tail distillation collecting tank (4), the product collecting tank (5), the primary absorption tower (8) and the primary absorption tank (9) adopt glass lining equipment.
3. The apparatus for the rectification separation of acidic materials according to claim 1, characterized in that: the material condenser (3) and the overflowing material condenser (6) adopt graphite condensers.
4. The apparatus for the rectification separation of acidic materials according to claim 1, characterized in that: the vacuum pump (12) is a mechanical vacuum pump.
5. The apparatus for the rectification separation of acidic materials according to claim 1, characterized in that: the overflow material condenser (6) is communicated with a plurality of front-end-run collecting tanks (4) and a product collecting tank (5).
6. The apparatus for the rectification separation of acidic materials according to claim 1, characterized in that: the bottom discharge port of the first-stage absorption tank (9) is communicated with the top discharge port of the first-stage absorption tower (8) through a circulating pump through a pipeline, and the bottom discharge port of the second-stage absorption tank (11) is communicated with the top discharge port of the second-stage absorption tower (10) through a circulating pump through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020510759.5U CN212440107U (en) | 2020-04-09 | 2020-04-09 | Device for rectifying and separating acidic materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020510759.5U CN212440107U (en) | 2020-04-09 | 2020-04-09 | Device for rectifying and separating acidic materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212440107U true CN212440107U (en) | 2021-02-02 |
Family
ID=74472515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020510759.5U Active CN212440107U (en) | 2020-04-09 | 2020-04-09 | Device for rectifying and separating acidic materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212440107U (en) |
-
2020
- 2020-04-09 CN CN202020510759.5U patent/CN212440107U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Device for rectification and separation of acidic materials Effective date of registration: 20220722 Granted publication date: 20210202 Pledgee: Bank of China Limited by Share Ltd. Three Gorges Branch Pledgor: YIDU JOVIAN INDUSTRY CO.,LTD. Registration number: Y2022420000231 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210202 Pledgee: Bank of China Limited by Share Ltd. Three Gorges Branch Pledgor: YIDU JOVIAN INDUSTRY CO.,LTD. Registration number: Y2022420000231 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Device for distillation and separation of acidic materials Granted publication date: 20210202 Pledgee: Bank of China Limited by Share Ltd. Three Gorges Branch Pledgor: YIDU JOVIAN INDUSTRY CO.,LTD. Registration number: Y2024980026986 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |