CN220047103U - Concentrated evaporator of graphite dilute sulfuric acid - Google Patents
Concentrated evaporator of graphite dilute sulfuric acid Download PDFInfo
- Publication number
- CN220047103U CN220047103U CN202321124066.2U CN202321124066U CN220047103U CN 220047103 U CN220047103 U CN 220047103U CN 202321124066 U CN202321124066 U CN 202321124066U CN 220047103 U CN220047103 U CN 220047103U
- Authority
- CN
- China
- Prior art keywords
- graphite
- block
- evaporation
- acid
- separation barrel
- Prior art date
- 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.)
- Active
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 77
- 239000010439 graphite Substances 0.000 title claims abstract description 77
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000001704 evaporation Methods 0.000 claims abstract description 42
- 239000002253 acid Substances 0.000 claims abstract description 38
- 230000008020 evaporation Effects 0.000 claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 238000000926 separation method Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000006260 foam Substances 0.000 claims abstract description 13
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- -1 10% -40% Chemical compound 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a graphite dilute sulfuric acid concentrating evaporator, wherein a dilute acid inlet is formed in a graphite separating barrel, a pressure stabilizing ring which plays a role in stabilizing pressure is arranged on the inner side of the dilute acid inlet, a foam breaker is arranged in the separating barrel and above the dilute acid inlet, a separator is arranged above the foam breaker, and a steam outlet is formed in the top of the graphite separating barrel; a graphite evaporation block is arranged below the graphite separation barrel, the graphite evaporation block is provided with a longitudinal short pipe, the upper end of the short pipe is provided with a film former, the side surface of the graphite evaporation block is provided with a graphite heating block for heating the short pipe, the peripheries of the graphite evaporation block and the graphite heating block are provided with shells, and the shells are provided with a steam inlet and a condensate water outlet; a lower seal head is arranged below the graphite evaporation block and the graphite heating block, and a concentrated acid outlet is arranged at the bottom of the lower seal head; the graphite separating barrel, the graphite evaporating block, the graphite heating block and the lower seal head are connected into a whole. The utility model simultaneously completes two processes of concentration of dilute sulfuric acid and purification of water of a slide in one device, and the concentration of acid is easy to control.
Description
Technical Field
The utility model relates to a dilute sulfuric acid concentration evaporator.
Background
The existing dilute sulfuric acid concentration and evaporation generally adopts an external circulation device, and needs a plurality of devices to complete the evaporation, so that the efficiency is low, the working effect is not ideal, and further improvement is needed.
Disclosure of Invention
The utility model aims to provide a graphene sulfuric acid concentration evaporator which can simultaneously complete two processes of concentration of dilute sulfuric acid and purification of water in a slipping way in one device and is easy to control the concentration of acid.
The technical scheme of the utility model is as follows:
a concentrated evaporator of graphite sulfuric acid, characterized by: the device comprises a graphite separation barrel, wherein a dilute acid inlet is formed in the graphite separation barrel, a pressure stabilizing ring which plays a role in stabilizing pressure is arranged on the inner side of the dilute acid inlet, a foam breaker is arranged in the separation barrel and above the dilute acid inlet, a separator is arranged above the foam breaker, and a steam outlet is formed in the top of the graphite separation barrel; a graphite evaporation block is arranged below the graphite separation barrel, the graphite evaporation block is provided with a longitudinal short pipe, the upper end of the short pipe is provided with a film former, the side surface of the graphite evaporation block is provided with a graphite heating block for heating the short pipe, the peripheries of the graphite evaporation block and the graphite heating block are provided with shells, and the shells are provided with a steam inlet and a condensate water outlet; a lower seal head is arranged below the graphite evaporation block and the graphite heating block, and a concentrated acid outlet is arranged at the bottom of the lower seal head; the graphite separating barrel, the graphite evaporating block, the graphite heating block and the lower seal head are connected into a whole.
An upper pressing plate is arranged on the graphite separation barrel, a connecting plate is arranged on the graphite evaporation block and the graphite heating block, a lower bottom plate is arranged on the lower sealing head, and the upper pressing plate, the connecting plate and the lower bottom plate are connected into a whole through a connecting rod.
The utility model can simultaneously complete two processes of concentration of dilute sulfuric acid and purification of water in a device. The equipment has wide application range and the concentration of the acid is easy to control. The final concentration of the concentrated acid is generally controlled to be 50-82%, the highest concentration can reach more than 93%, the acid content of the evaporated waste water vapor after condensation is generally less than 0.5%, and the lowest acid content can reach less than 0.05%, and the concentrated acid can be used as the recovered water of factories and even can reach the direct discharge requirement.
The utility model has the advantages that:
1. the gravity flow film evaporation is adopted, so that the evaporation efficiency is high, and the energy is saved compared with other evaporation modes; 2. the reduced pressure evaporation can achieve the effect of low-temperature boiling evaporation at a lower evaporation temperature; 3. the material flows through the equipment at one time, so that the evaporation time is very short, the material is not easy to decompose or side reaction is generated, and distilled water is relatively clean; 4. the evaporation gas is sucked in a countercurrent way, so that evaporation effluent is separated in time, the partial pressure of the steam attached to the surface of the acid liquor is reduced, the purpose of strengthening evaporation driving force is achieved, and the final concentration of acid is improved; 5. the high-speed airflow can be formed to wash the hole wall, so that the rolling update speed of the film is increased, and the equipment is not easy to scale; 6. the equipment is structurally suitable for high-vacuum working conditions.
Drawings
The utility model is further described below with reference to the drawings and examples.
Fig. 1 is a schematic diagram of the structure of an embodiment of the present utility model.
Detailed Description
The concentrated evaporator of the sulfuric acid of a kind of graphite, including the graphite separation barrel 1, offer the dilute acid import 2 on the graphite separation barrel, the dilute acid import inboard has steady voltage ring 3 to play a role in steady voltage, there are foam breakers 4 in the separation barrel, above the dilute acid import, there are separators 5 above the foam breaker, the top of the graphite separation barrel has steam outlets 6; a graphite evaporation block 7 is arranged below the graphite separation barrel, the graphite evaporation block is provided with a longitudinal short pipe 8, the upper end of the short pipe is provided with a film former 9, the side surface of the graphite evaporation block is provided with a graphite heating block (a heating pipe is arranged in the graphite evaporation block) 10 for heating the short pipe, the peripheries of the graphite evaporation block and the graphite heating block are provided with a shell 11, and the shell is provided with a steam inlet 12 and a condensate water outlet 13; a lower seal head 15 is arranged below the graphite evaporation block and the graphite heating block, and a concentrated acid outlet 14 is arranged at the bottom of the lower seal head; the graphite separating barrel, the graphite evaporating block, the graphite heating block and the lower seal head are connected into a whole;
when the device works, preheated dilute sulfuric acid, such as 10% -40%, enters a graphite separation barrel from a dilute acid inlet, flows through a stabilizing ring and a film forming device, flows downwards in a film form along a short pipe under the action of gravity, receives heat transmitted by a graphite heating block, starts boiling evaporation of low-boiling water in dilute acid, and the evaporated water vapor carries sulfuric acid foam to rise upwards under the suction action of heating power and a top air outlet, so that the water content continuously evaporates and decreases along with the continuous downward flow of an acid film, the needed concentrated acid can be obtained when the acid film reaches an acid outlet, the rising water vapor and entrained acid foam are separated into clean water vapor under the action of a foam breaker and a separator, the acid foam is condensed into acid liquid drops with larger particles, and the acid foam is settled into a film form along with the newly-entering dilute acid in the film distributing device and continuously falls down by the short pipe to complete evaporation.
An upper pressing plate 16 is arranged on the graphite separation barrel, a connecting plate 17 is arranged on the graphite evaporation block and the graphite heating block, a lower bottom plate 18 is arranged on the lower sealing head, and the upper pressing plate, the connecting plate and the lower bottom plate are connected into a whole through a connecting rod 19.
Main design parameters of the device:
the design temperature is 165 ℃;
design pressure: transverse direction: 0.6Mpa;
longitudinal direction: -0.01-0.1Mpa;
adapting to the initial acid concentration: 10% -75%;
final acid concentration: 70-93%.
Claims (2)
1. A concentrated evaporator of graphite sulfuric acid, characterized by: the device comprises a graphite separation barrel, wherein a dilute acid inlet is formed in the graphite separation barrel, a pressure stabilizing ring which plays a role in stabilizing pressure is arranged on the inner side of the dilute acid inlet, a foam breaker is arranged in the separation barrel and above the dilute acid inlet, a separator is arranged above the foam breaker, and a steam outlet is formed in the top of the graphite separation barrel; a graphite evaporation block is arranged below the graphite separation barrel, the graphite evaporation block is provided with a longitudinal short pipe, the upper end of the short pipe is provided with a film former, the side surface of the graphite evaporation block is provided with a graphite heating block for heating the short pipe, the peripheries of the graphite evaporation block and the graphite heating block are provided with shells, and the shells are provided with a steam inlet and a condensate water outlet; a lower seal head is arranged below the graphite evaporation block and the graphite heating block, and a concentrated acid outlet is arranged at the bottom of the lower seal head; the graphite separating barrel, the graphite evaporating block, the graphite heating block and the lower seal head are connected into a whole.
2. The concentrated evaporator of claim 1, wherein the concentrated evaporator is characterized by: an upper pressing plate is arranged on the graphite separation barrel, a connecting plate is arranged on the graphite evaporation block and the graphite heating block, a lower bottom plate is arranged on the lower sealing head, and the upper pressing plate, the connecting plate and the lower bottom plate are connected into a whole through a connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321124066.2U CN220047103U (en) | 2023-05-11 | 2023-05-11 | Concentrated evaporator of graphite dilute sulfuric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321124066.2U CN220047103U (en) | 2023-05-11 | 2023-05-11 | Concentrated evaporator of graphite dilute sulfuric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220047103U true CN220047103U (en) | 2023-11-21 |
Family
ID=88750976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321124066.2U Active CN220047103U (en) | 2023-05-11 | 2023-05-11 | Concentrated evaporator of graphite dilute sulfuric acid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220047103U (en) |
-
2023
- 2023-05-11 CN CN202321124066.2U patent/CN220047103U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108383085B (en) | Device and method for preparing hydrogen chloride gas by full-resolution of hydrochloric acid by continuous method | |
| CN109232352B (en) | N-methyl pyrrolidone decompression purification system and purification method | |
| CN106745062B (en) | A kind of technique and device of negative-pressure operation production concentrated ammonia liquor | |
| CN106673012B (en) | A kind of technique and device of negative-pressure operation production concentrated ammonia liquor | |
| CN110642228A (en) | Calcium carbide-process PVC mercury-containing waste acid treatment system and method for treating waste acid by using same | |
| CN102249203A (en) | Phosphoric acid evaporation process and device thereof | |
| CN210057418U (en) | High-concentration evaporation separation system for organic matter aqueous solution | |
| CN220047103U (en) | Concentrated evaporator of graphite dilute sulfuric acid | |
| CN202594810U (en) | Dimethylacetamide (DMAC) waste liquid recycling device | |
| CN116271898A (en) | Concentrated evaporator of graphite dilute sulfuric acid | |
| CN105601520A (en) | Device for synthesizing nitromethane and separating products | |
| CN216890737U (en) | Caprolactam high-efficient gasification piece-rate system | |
| CN114247172B (en) | Method and device for removing water solution volatile impurities and preparing crystallized product by air circulation air stripping concentration | |
| CN102311195B (en) | Recycling utilization and processing method for wastewater generated in sebacic acid production process | |
| US3632316A (en) | Process for producing heavy water | |
| CN2726696Y (en) | Composite type Chinese medicinal liquid concentrating and alcohol reclaiming device | |
| CN113813625A (en) | Device and method for recovering light alcohol by combining MVR with recovery tower | |
| CN106512462A (en) | Turpentine continuous rectification device | |
| CN103663398B (en) | Method and device for utilizing heat energy of diammonium phosphate neutralization tail gas | |
| CN206337190U (en) | A kind of vacuum system of turpentine oil rectifying column | |
| CN206334372U (en) | A kind of turpentine oil continuous rectification apparatus | |
| CN221344094U (en) | Wastewater evaporation concentration treatment system | |
| CN111635348A (en) | Application and system of screw vacuum pump in caprolactam refining process production | |
| CN106629936A (en) | Technology and system used for processing waste water | |
| CN205843134U (en) | A kind of vaporizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |