CN220918186U - Combined graphite concentrating tower - Google Patents
Combined graphite concentrating tower Download PDFInfo
- Publication number
- CN220918186U CN220918186U CN202322741030.5U CN202322741030U CN220918186U CN 220918186 U CN220918186 U CN 220918186U CN 202322741030 U CN202322741030 U CN 202322741030U CN 220918186 U CN220918186 U CN 220918186U
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- CN
- China
- Prior art keywords
- graphite
- cylinder body
- section
- steel cylinder
- tower
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 80
- 239000010439 graphite Substances 0.000 title claims abstract description 80
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 29
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 20
- 239000000498 cooling water Substances 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 238000010992 reflux Methods 0.000 claims description 3
- 238000009833 condensation Methods 0.000 abstract description 7
- 230000005494 condensation Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 21
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 5
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000005997 Calcium carbide Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a combined graphite concentration tower, which relates to the technical field of chemical equipment and comprises a condensation section, a liquid collecting section and a concentration section which are integrated from top to bottom; the condensing section comprises a steel cylinder body and a graphite heat exchange block, the graphite heat exchange block is arranged in the steel cylinder body, and a lower flange is arranged at the bottom of the steel cylinder body; the liquid collecting section comprises a graphite cylinder body and a steam pipe, the graphite cylinder body is arranged in the steel cylinder body, the steam pipe is arranged in the center of the graphite cylinder body, and a supporting plate is sleeved at the bottom of the graphite cylinder body; the concentrating section comprises an upper cover plate I, an upper end socket I, an upper tower section and a lower tower section which are arranged from top to bottom, wherein the upper cover plate I, the supporting plate and the lower flange are fixedly connected together through bolts, the graphite concentrating tower and the graphite condenser are integrated on one device, the installation and arrangement of a middle pipeline are omitted, the equipment cost is saved, and meanwhile, the material and the occupied area are greatly saved.
Description
Technical Field
The utility model belongs to the technical field of chemical equipment, and particularly relates to a combined graphite concentration tower.
Background
In the existing calcium carbide PVC production process, a large amount of dilute hydrochloric acid with mass fraction of about 20% is generated, so that the byproduct dilute hydrochloric acid is required to be treated, the existing dilute hydrochloric acid desorption treatment generally adopts a constant boiling point destruction method, namely, calcium chloride is added into the dilute hydrochloric acid to break the limit of the azeotropic point of the dilute hydrochloric acid, hydrogen chloride is evaporated, and then the residual calcium chloride solution containing a small amount of hydrochloric acid also needs to be concentrated to the original concentration by utilizing a graphite concentration tower and a graphite condenser for recycling, and hydrochloric acid in the dilute hydrochloric acid is separated.
The existing graphite concentration tower and the existing graphite condenser are independently installed, the occupied area is large, the pipeline installation is long, and the cost is large. The method is only suitable for factories with larger areas, and is difficult to meet the production requirements of small factories.
Therefore, if the graphite concentration tower and the graphite condenser are integrated on one piece of equipment, the cost can be saved, the pipeline installation is reduced, and the occupied area is saved.
Disclosure of utility model
The present utility model is directed to a combined graphite concentrator column that solves the above-mentioned problems of the prior art.
The combined graphite concentration tower comprises a condensation section, a liquid collecting section and a concentration section which are arranged from top to bottom, wherein the condensation section, the liquid collecting section and the concentration section are integrated on one piece of equipment;
The condensing section comprises a steel cylinder body and a graphite heat exchange block, the graphite heat exchange block is arranged in the steel cylinder body, and a lower flange is arranged at the bottom of the steel cylinder body;
The liquid collecting section comprises a graphite cylinder body and a steam pipe, the graphite cylinder body is arranged in the steel cylinder body and is positioned below the graphite heat exchange block, a cooling cavity for cooling water circulation is formed between the steel cylinder body and the graphite cylinder body, the steam pipe is arranged in the center of the inside of the graphite cylinder body and is communicated with an opening at the bottom of the graphite cylinder body, and a supporting plate is sleeved at the bottom of the graphite cylinder body;
The concentrating section comprises an upper cover plate I, an upper end socket I, an upper tower section and a lower tower section which are arranged from top to bottom, wherein the upper cover plate I is fixedly connected with the supporting plate and the lower flange through bolts, and the upper end socket I is communicated with the bottom opening of the graphite cylinder body.
Preferably, the outside of steel cylinder body is equipped with cooling water import and the cooling water export with the cooling chamber intercommunication, the top of steel cylinder body is equipped with head two and upper cover plate two, be equipped with the evacuation mouth on the outer wall at steel cylinder body top, and the outer wall of its bottom is equipped with the cooling water and arranges the clean mouth.
Preferably, the inside of graphite heat transfer piece has seted up horizontal hole and longitudinal bore, the open-top of graphite barrel.
Preferably, a plurality of air outlet grooves are formed in the circumferential wall of the top of the steam pipe, and a pipe cap is further arranged at the top of the steam pipe.
Preferably, the outer wall of the graphite cylinder is further provided with a condensate outlet and a condensate draining port which are communicated with the inside of the graphite cylinder from top to bottom, and the condensate outlet is positioned below the air outlet groove.
Preferably, the outer wall of the upper tower section is provided with a pressure gauge port, the outer wall of the lower tower section is sequentially provided with a circulating gas phase inlet, a dilute calcium chloride solution inlet, an upper liquid level gauge port, a reflux port and a lower liquid level gauge port from high to low, the outer wall of the lower tower section is also provided with a concentrated calcium chloride solution outlet and a thermometer port which are equal in height with the lower liquid level gauge port, and the bottom of the lower tower section is provided with a circulating concentrated solution outlet and a supporting frame.
The utility model has the advantages that:
The graphite concentration tower and the graphite condenser are integrated on one piece of equipment, so that the installation and arrangement of intermediate pipelines are omitted, the equipment cost is saved, the materials and the occupied area are greatly saved, and the wide popularization and the use are facilitated.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
In the figure: 1. a condensing section; 11. a steel cylinder; 110. a cooling water inlet; 111. a cooling water outlet; 112. an evacuation port; 113. a cooling water discharge port; 12. a graphite heat exchange block; 13. a lower flange; 14. a supporting plate; 15. an upper sealing head II; 16. an upper cover plate II;
2. A liquid collecting section; 21. a graphite cylinder; 210. a condensate outlet; 211. a condensate drain port; 22. a steam pipe; 23. a tube cap;
3. A concentration section; 31. an upper cover plate I; 32. an upper end socket I; 33. a tower section is arranged; 331. a pressure gauge port; 34. a lower tower section; 341. a dilute calcium chloride solution inlet; 342. a liquid level meter opening is arranged; 343. a return port; 345. a lower liquid level meter port; 346. a concentrated calcium chloride solution outlet; 347. a thermometer port; 348. a circulating concentrate outlet; 35. and (5) supporting frames.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1, a combined graphite concentration tower comprises a condensation section 1, a liquid collecting section 2 and a concentration section 3 which are arranged from top to bottom, wherein the condensation section 1, the liquid collecting section 2 and the concentration section 3 are integrated on one device; the condensing section 1 and the liquid collecting section 2 can be assembled independently, and the concentrating section 3 can be assembled independently.
The condensing section 1 comprises a steel cylinder 11 and a graphite heat exchange block 12, wherein the graphite heat exchange block 12 is arranged in the steel cylinder 11, and a lower flange 13 is arranged at the bottom of the steel cylinder 11;
The liquid collecting section 2 comprises a graphite cylinder 21 and a steam pipe 22, the graphite cylinder 21 is arranged in the steel cylinder 11 and is positioned below the graphite heat exchange block 12, a cooling cavity for cooling water circulation is formed between the steel cylinder 11 and the graphite cylinder 21, the steam pipe 22 is arranged in the center of the graphite cylinder 21 and is communicated with the bottom opening of the graphite cylinder 21, and a supporting plate 14 is sleeved at the bottom of the graphite cylinder 21;
The concentrating section 3 comprises an upper cover plate I31, an upper sealing head I32, an upper tower section 33 and a lower tower section 34 which are arranged from top to bottom, wherein the upper cover plate I31, the supporting plate 14 and the lower flange 13 are fixedly connected together through bolts, and the upper sealing head I32 is communicated with the bottom opening of the graphite cylinder 21. The lower flange 13 and the supporting plate 14 have the sealing function, and meanwhile, the condensing section 1 and the liquid collecting section 2 are connected together, so that materials are saved.
In this embodiment, the outside of the steel cylinder 11 is provided with a cooling water inlet 110 and a cooling water outlet 111, which are communicated with the cooling cavity, the top of the steel cylinder 11 is provided with a second upper end socket 15 and a second upper cover plate 16, the outer wall of the top of the steel cylinder 11 is provided with an evacuation port 112, and the outer wall of the bottom of the steel cylinder is provided with a cooling water drain port 113. The drain port 112 is used for draining the redundant air in the cooling cavity, and the cooling water drain port 113 is used for draining the cooling water when the device is not in use.
In this embodiment, the graphite heat exchange block 12 is provided with a transverse hole and a longitudinal hole inside, and the top of the graphite cylinder 21 is open. The transverse bore communicates with the cooling cavity.
In this embodiment, the steam pipe 22 has a plurality of air outlet grooves on its top circumferential wall, and a pipe cap 23 is further provided on its top. The top of the pipe cap 23 is circular, and covers the air outlet groove like an umbrella, so that condensed liquid is prevented from entering the steam pipe 22 through the air outlet groove along the outer wall of the steam pipe 22.
In this embodiment, the outer wall of the graphite cylinder 21 is further provided with a condensate outlet 210 and a condensate drain port 211 that are communicated with the inside thereof from top to bottom, and the condensate outlet 210 is located below the air outlet groove. The condensate outlet 210 is used for continuously conveying condensate into a waste acid storage tank outside the system, and the condensate outlet 210 is positioned between the air outlet tank and the condensate draining port 211, so that the condensate in the graphite cylinder 21 can be maintained at a certain liquid level, the low-temperature state of the graphite cylinder 21 can be maintained conveniently, and steam can be condensed better.
In this embodiment, the outer wall of the upper tower section 33 is provided with a pressure gauge port 331, the outer wall of the lower tower section 34 is sequentially provided with a circulating gas phase inlet, a dilute calcium chloride solution inlet 341, an upper liquid level gauge port 342, a return port 343 and a lower liquid level gauge port 345 from top to bottom, the outer wall of the lower tower section 34 is further provided with a concentrated calcium chloride solution outlet 346 and a thermometer port 347 which are as high as the lower liquid level gauge port 345, and the bottom of the lower tower section 34 is provided with a circulating concentrate outlet 348 and a supporting frame 35.
In this embodiment, the height of the graphite cylinder 21 can be adjusted according to the process requirements.
The working process and the principle thereof are as follows:
In particular operation, a dilute calcium chloride solution comprising dilute hydrochloric acid enters the concentrating section 3 from the dilute calcium chloride solution inlet 341. After that, the calcium chloride solution containing the dilute hydrochloric acid is continuously heated from the circulating concentrated solution outlet 348 through a heater of an external system, and the obtained high-temperature HCl, water vapor and calcium chloride flow into the concentration section 3 again from the circulating gas phase inlet, so that the constant boiling point of the dilute hydrochloric acid is broken under certain temperature and pressure. The hydrogen chloride with heat is resolved, the steam containing a small amount of hydrogen chloride rises in the concentration section 3, then flows out of the air outlet groove of the steam pipe 22 of the liquid collecting section 2 and continuously rises to the condensation section 1, cooling water flows in the transverse holes, the graphite heat exchange block 12 is cooled, the steam containing a small amount of hydrogen chloride flows in the longitudinal phase holes and is continuously condensed, a small amount of uncondensed steam flows back to the second upper end socket 15 to be continuously condensed, condensate of dilute hydrochloric acid with the mass fraction less than 1% after condensation is gathered in the graphite cylinder 21, then the condensate can be continuously discharged to an external waste acid storage groove through the condensate outlet 210, the condensate outlet 210 is positioned between the air outlet groove and the condensate discharging port 211, the condensate in the graphite cylinder 21 can be maintained at a certain liquid level, the low-temperature state of the graphite cylinder 21 is conveniently maintained, and the steam can be better condensed.
After the concentration is completed, the condensate remaining in the graphite cylinder 21 can be completely discharged through the condensate discharge port 211.
The upward extending steam pipe 22 prevents condensate from flowing back to the concentration section 3.
The calcium chloride solution containing the dilute hydrochloric acid is repeatedly concentrated in the concentration section 3 to obtain concentrated calcium chloride solution, the concentrated calcium chloride solution flows out from the concentrated calcium chloride solution outlet 346, and part of the concentrated calcium chloride solution enters the concentration section 3 again from the reflux port 343 to participate in the next concentration process of the dilute calcium chloride solution containing the dilute hydrochloric acid.
It will be appreciated by those skilled in the art that the present utility model can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the utility model or equivalents thereto are intended to be embraced therein.
Claims (6)
1. The combined graphite concentrating tower comprises a condensing section (1), a liquid collecting section (2) and a concentrating section (3) which are arranged from top to bottom, and is characterized in that the condensing section (1), the liquid collecting section (2) and the concentrating section (3) are integrated on one piece of equipment;
The condensing section (1) comprises a steel cylinder body (11) and a graphite heat exchange block (12), wherein the graphite heat exchange block (12) is arranged in the steel cylinder body (11), and a lower flange (13) is arranged at the bottom of the steel cylinder body (11);
The liquid collecting section (2) comprises a graphite cylinder body (21) and a steam pipe (22), the graphite cylinder body (21) is arranged in the steel cylinder body (11) and is positioned below the graphite heat exchange block (12), a cooling cavity for cooling water circulation is formed between the steel cylinder body (11) and the graphite cylinder body (21), the steam pipe (22) is arranged in the center of the inside of the graphite cylinder body (21) and is communicated with the bottom opening of the graphite cylinder body (21), and a supporting plate (14) is sleeved at the bottom of the graphite cylinder body (21);
The concentrating section (3) comprises an upper cover plate I (31), an upper sealing head I (32), an upper tower section (33) and a lower tower section (34) which are arranged from top to bottom, wherein the upper cover plate I (31), the supporting plate (14) and the lower flange (13) are fixedly connected together through bolts, and the upper sealing head I (32) is communicated with the bottom opening of the graphite cylinder body (21).
2. The combined graphite concentration tower according to claim 1, wherein a cooling water inlet (110) and a cooling water outlet (111) which are communicated with the cooling cavity are formed in the outer side of the steel cylinder body (11), an upper sealing head II (15) and an upper cover plate II (16) are arranged at the top of the steel cylinder body (11), an emptying port (112) is formed in the outer wall of the top of the steel cylinder body (11), and a cooling water draining port (113) is formed in the outer wall of the bottom of the steel cylinder body.
3. A combined graphite concentrating tower according to claim 1, characterized in that the interior of the graphite heat exchange block (12) is provided with transverse holes and longitudinal holes, and the top of the graphite cylinder (21) is open.
4. A combined graphite concentration tower according to claim 1, characterized in that the top circumferential wall of the steam pipe (22) is provided with a plurality of air outlet grooves, and the top of the steam pipe is also provided with a pipe cap (23).
5. The combined graphite concentrating tower according to claim 1, wherein the outer wall of the graphite cylinder (21) is further provided with a condensate outlet (210) and a condensate drain port (211) which are communicated with the inside of the graphite cylinder from top to bottom, and the condensate outlet (210) is positioned below the air outlet groove.
6. The combined graphite concentration tower according to claim 1, wherein the outer wall of the upper tower section (33) is provided with a pressure gauge port (331), the outer wall of the lower tower section (34) is sequentially provided with a circulating gas phase inlet, a dilute calcium chloride solution inlet (341), an upper liquid level gauge port (342), a reflux port (343) and a lower liquid level gauge port (345) from high to low, the outer wall of the lower tower section (34) is further provided with a concentrated calcium chloride solution outlet (346) and a thermometer port (347) which are as high as the lower liquid level gauge port (345), and the bottom of the lower tower section (34) is provided with a circulating concentrated solution outlet (348) and a supporting frame (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322741030.5U CN220918186U (en) | 2023-10-12 | 2023-10-12 | Combined graphite concentrating tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322741030.5U CN220918186U (en) | 2023-10-12 | 2023-10-12 | Combined graphite concentrating tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220918186U true CN220918186U (en) | 2024-05-10 |
Family
ID=90966166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322741030.5U Active CN220918186U (en) | 2023-10-12 | 2023-10-12 | Combined graphite concentrating tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220918186U (en) |
-
2023
- 2023-10-12 CN CN202322741030.5U patent/CN220918186U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |