CN212757284U - Mixed acid separation equipment - Google Patents
Mixed acid separation equipment Download PDFInfo
- Publication number
- CN212757284U CN212757284U CN202021550111.7U CN202021550111U CN212757284U CN 212757284 U CN212757284 U CN 212757284U CN 202021550111 U CN202021550111 U CN 202021550111U CN 212757284 U CN212757284 U CN 212757284U
- Authority
- CN
- China
- Prior art keywords
- distillation
- acid
- plate
- acetic acid
- separation tower
- 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
Images
Abstract
The utility model discloses a mix sour splitter, its characterized in that: comprises a nitric acid separation tower, a sulfuric acid separation tower, a condenser, an acetic acid tank and a sulfuric acid tank; wherein, nitric acid is separated out by hot steam and high-pressure nitrogen in a nitric acid separation tower; acetic acid is separated out through steam and nitrogen with higher pressure and higher temperature in a sulfuric acid separation tower, an acetic acid tank is adopted to collect the acetic acid, a sulfuric acid tank is adopted to collect the sulfuric acid, wherein a condenser is arranged at the upstream of the sulfuric acid tank, and the sulfuric acid is collected by condensation. The equipment can rapidly separate sulfuric acid, acetic acid and nitric acid, and solves the technical problem of industrial waste acid discharge.
Description
Technical Field
The utility model relates to a mix sour splitter technical field, concretely relates to mix sour splitter.
Background
The mixed acid amount in chemical production is huge, and various acid amounts cannot be accurately mastered due to different acid contents in the mixed acid, so that the mixed acid cannot be directly applied, a large amount of mixed acid solution can be wasted, and the direct discharge can bring environmental pollution and increase environmental burden. In the prior art, a better method for recovering mixed acid does not exist, so that a device is urgently needed to separate the mixed acid, and the environmental protection pressure of enterprises is reduced.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a mix sour splitter, this equipment can be with sulphuric acid, acetic acid and nitric acid rapid segregation, solves the difficult technical problem that industry spent acid discharged.
A mixed acid separation device comprises a nitric acid separation tower, a sulfuric acid separation tower, a condenser, an acetic acid tank and a sulfuric acid tank; wherein the content of the first and second substances,
the nitric acid separation tower comprises a distillation denitration plate, the distillation denitration plate is communicated with a high-pressure nitrogen source through a pipeline and a nitrogen valve, and the distillation denitration plate is also communicated with a high-pressure steam source through a pipeline and a steam regulating valve; an industrial waste acid spray head is arranged above the distillation denitration plate;
the sulfuric acid separation tower comprises a distillation acetic acid removal plate, the distillation acetic acid removal plate is communicated with a high-pressure nitrogen source through a pipeline and a nitrogen valve, and the distillation acetic acid removal plate is also communicated with a high-pressure steam source through a pipeline and a steam regulating valve;
a first overflow port is arranged on one side of the nitric acid separation tower, is positioned on one side of the top surface of the distillation denitration plate and is used for receiving liquid overflowing from the upper surface of the distillation denitration plate;
the first overflow port is communicated with an overflow pipeline and an overflow spray head, the overflow pipeline and the overflow spray head are both positioned in the sulfuric acid separation tower, and the overflow spray head is positioned right above the distillation and acetic acid removal plate;
a second overflow port is arranged on one side of the sulfuric acid separation tower, is positioned on one side of the top surface of the distillation acetic acid removing plate and is used for receiving liquid overflowing from the distillation acetic acid removing plate;
the second overflow port is communicated with the acetic acid tank through a pipeline;
the top of the sulfuric acid separation tower is sequentially connected with the condenser and the sulfuric acid tank through pipelines.
It should be noted that the industrial waste acid is a waste acid mixed with nitric acid, acetic acid, and sulfuric acid.
Preferably, the top of the nitric acid separation column is communicated to a waste gas absorption device through a pipeline.
Preferably, the industrial waste acid spray head is communicated with an industrial waste acid source through a pipeline and a waste acid regulating valve.
Preferably, a temperature sensor is arranged in the nitric acid separation tower, and the temperature sensor, the nitrogen valve, the steam regulating valve and the waste acid regulating valve are all connected with a controller.
The controller receives temperature information of the temperature sensor, when the temperature reaches 120 ℃, the controller controls the waste acid regulating valve to be closed, the mixed acid stops adding, and the steam regulating valve is controlled to be closed.
Preferably, the height of the distillation deacetate plate is higher than that of the distillation deacetate plate.
Preferably, the temperature and the pressure of the high-pressure steam source connected with the distillation and acetic acid removal plate are both higher than those of the high-pressure steam source connected with the distillation and acetic acid removal plate.
The beneficial effects of the utility model are embodied in: the waste acid is treated by the mixed acid separation equipment, the whole process is continuous treatment, and compared with the traditional equipment, the device has the advantages of larger waste acid treatment amount, simpler structure and low operation cost. Compared with the traditional process, the method is safer due to the small amount of mixed acid in the treatment system and short retention time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a flowchart of a mixed acid separation apparatus according to an embodiment of the present invention.
In the attached drawings, 1, a nitric acid separation tower; 2. a sulfuric acid separation column; 3. a condenser; 4. an acetic acid tank; 5. a sulfuric acid tank; 6. distilling the denitration plate; 7. a nitrogen gas valve; 8. a steam regulating valve; 9. industrial waste acid spray heads; 10. distilling and removing acetic acid plate; 11. a first overflow port; 12. an overflow spray head; 13. a second overflow port.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
As shown in fig. 1, the utility model provides a mixed acid separation device, which in one embodiment comprises a nitric acid separation tower 1, a sulfuric acid separation tower 2, a condenser 3, an acetic acid tank 4 and a sulfuric acid tank 5; wherein the content of the first and second substances,
the nitric acid separation tower 1 comprises a distillation denitration plate 6, wherein the distillation denitration plate 6 is communicated with a high-pressure nitrogen source through a pipeline and a nitrogen valve 7, and the distillation denitration plate 6 is also communicated with a high-pressure steam source through a pipeline and a steam regulating valve 8; an industrial waste acid spray head 9 is arranged above the distillation denitration plate 6;
the sulfuric acid separation tower 2 comprises a distillation acetic acid removal plate 10, the distillation acetic acid removal plate 10 is communicated with a high-pressure nitrogen source through a pipeline and a nitrogen valve 7, and the distillation acetic acid removal plate 10 is also communicated with a high-pressure steam source through a pipeline and a steam regulating valve 8;
a first overflow port 11 is arranged on one side of the nitric acid separation tower 1, and the first overflow port 11 is positioned on one side of the top surface of the distillation denitration plate 6 and is used for receiving liquid overflowing from the upper surface of the distillation denitration plate 6;
the first overflow port 11 is communicated with an overflow pipeline and an overflow spray head 12, the overflow pipeline and the overflow spray head 12 are both positioned in the sulfuric acid separation tower 2, and the overflow spray head 12 is positioned right above the distillation and acetic acid removal plate 10;
a second overflow port 13 is arranged on one side of the sulfuric acid separation tower 2, and the second overflow port 13 is positioned on one side of the top surface of the distillation acetic acid removing plate 10 and is used for receiving liquid overflowing from the upper surface of the distillation acetic acid removing plate 10;
the second overflow port 13 is communicated with the acetic acid tank 4 through a pipeline;
the top of the sulfuric acid separation tower 2 is sequentially connected with the condenser 3 and the sulfuric acid tank 5 through pipelines.
It should be noted that the industrial waste acid is a waste acid mixed with nitric acid, acetic acid, and sulfuric acid.
The above-mentioned acid mixing equipment may be further modified or optimized in some embodiments, and the top of the nitric acid separation column 1 is communicated with the waste gas absorption device through a pipeline.
The acid mixing equipment can be further improved or optimized in some embodiments, and the industrial waste acid spray head 9 is communicated with an industrial waste acid source through a pipeline and a waste acid regulating valve.
In some embodiments, the acid mixing equipment may further be improved or optimized as follows, wherein a temperature sensor is arranged in the nitric acid separation tower 1, and the temperature sensor, the nitrogen valve 7, the steam regulating valve 8 and the waste acid regulating valve are all connected with the controller.
Wherein, the controller receives the temperature information of the temperature sensor, when the temperature reaches 120, the controller controls the waste acid regulating valve to be closed, the mixed acid stops adding, and the steam regulating valve 8 is controlled to be closed.
The acid mixing equipment can be further modified or optimized in some embodiments, and the height of the distillation acetic acid removing plate 10 is higher than that of the distillation acetic acid removing plate 10.
In some embodiments, the above acid mixing equipment may be further modified or optimized such that the temperature and pressure of the high-pressure steam source connected to the distillation and denitrification board 10 are both higher than those of the high-pressure steam source connected to the distillation and denitrification board 6.
The waste acid is treated by the mixed acid separation equipment, the whole process is continuous treatment, and compared with the traditional equipment, the device has the advantages of larger waste acid treatment amount, simpler structure and low operation cost. Compared with the traditional process, the method is safer due to the small amount of mixed acid in the treatment system and short retention time.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (6)
1. A mixed acid separation equipment is characterized in that: comprises a nitric acid separation tower, a sulfuric acid separation tower, a condenser, an acetic acid tank and a sulfuric acid tank; wherein the content of the first and second substances,
the nitric acid separation tower comprises a distillation denitration plate, the distillation denitration plate is communicated with a high-pressure nitrogen source through a pipeline and a nitrogen valve, and the distillation denitration plate is also communicated with a high-pressure steam source through a pipeline and a steam regulating valve; an industrial waste acid spray head is arranged above the distillation denitration plate;
the sulfuric acid separation tower comprises a distillation acetic acid removal plate, the distillation acetic acid removal plate is communicated with a high-pressure nitrogen source through a pipeline and a nitrogen valve, and the distillation acetic acid removal plate is also communicated with a high-pressure steam source through a pipeline and a steam regulating valve;
a first overflow port is arranged on one side of the nitric acid separation tower, is positioned on one side of the top surface of the distillation denitration plate and is used for receiving liquid overflowing from the upper surface of the distillation denitration plate;
the first overflow port is communicated with an overflow pipeline and an overflow spray head, the overflow pipeline and the overflow spray head are both positioned in the sulfuric acid separation tower, and the overflow spray head is positioned right above the distillation and acetic acid removal plate;
a second overflow port is arranged on one side of the sulfuric acid separation tower, is positioned on one side of the top surface of the distillation acetic acid removing plate and is used for receiving liquid overflowing from the distillation acetic acid removing plate;
the second overflow port is communicated with the acetic acid tank through a pipeline;
the top of the sulfuric acid separation tower is sequentially connected with the condenser and the sulfuric acid tank through pipelines.
2. The mixed acid separation apparatus of claim 1, wherein: the top of the nitric acid separation tower is communicated to a waste gas absorption device through a pipeline.
3. The mixed acid separation apparatus according to claim 2, characterized in that: the industrial waste acid spray head is communicated with an industrial waste acid source through a pipeline and a waste acid regulating valve.
4. The mixed acid separation apparatus of claim 3, wherein: and a temperature sensor is arranged in the nitric acid separation tower, and the temperature sensor, the nitrogen valve, the steam regulating valve and the waste acid regulating valve are all connected with a controller.
5. The mixed acid separation apparatus of claim 4, wherein: the height of the distillation acetic acid removing plate is higher than that of the distillation acetic acid removing plate.
6. The mixed acid separation apparatus of claim 5, wherein: the temperature and the pressure of the high-pressure steam source connected with the distillation and acetic acid removal plate are both greater than those of the high-pressure steam source connected with the distillation and denitration plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021550111.7U CN212757284U (en) | 2020-07-30 | 2020-07-30 | Mixed acid separation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021550111.7U CN212757284U (en) | 2020-07-30 | 2020-07-30 | Mixed acid separation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212757284U true CN212757284U (en) | 2021-03-23 |
Family
ID=75049245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021550111.7U Active CN212757284U (en) | 2020-07-30 | 2020-07-30 | Mixed acid separation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212757284U (en) |
-
2020
- 2020-07-30 CN CN202021550111.7U patent/CN212757284U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102320671B (en) | Method for treating waste water containing acid and ammonia | |
| US20090165650A1 (en) | Boiler Feed Water Deaerator Method and Apparatus | |
| CN105645434A (en) | Comprehensive utilization method of condensed diluted ammonia water containing ammonia gas, carbon dioxide and hydrogen sulfide | |
| CN109336803B (en) | Method and system for recovering production solvent from NMP waste liquid | |
| CN101717096A (en) | Technology for preparing desulfurizing agent ammonia water in sintering flue gas desulfurization by coking residual ammonia water | |
| CN101333464A (en) | Desulphurization process by vacuum ammonia method | |
| CN109173598B (en) | Method for recovering CS in viscose waste gas by using composite solvent2Method (2) | |
| CN105985814B (en) | The treatment process of hydrogen sulfide, hydrogen cyanide and ammonia is removed from coal gas | |
| CN104803425B (en) | Method for removing hydrogen sulfide from high-sulfur oilfield produced water | |
| CN212757284U (en) | Mixed acid separation equipment | |
| CN104119946B (en) | A kind of catalytic cracking flue gas desulfurization and Acidic Gas Treating technique | |
| US11572274B2 (en) | Adsorption-based Claus tail gas treatment through regeneration temperature ramping | |
| NL2015921B1 (en) | Process for the purification of a gas | |
| EP0140191A2 (en) | Tail gas treating process | |
| CN103638802A (en) | Device and method for processing acid gas of refinery plant | |
| CN209968048U (en) | Oil refinery VOCs desulphurization unit | |
| CN106477532A (en) | The technique that a kind of acid pickle recycles | |
| CN101239271A (en) | Cleaning treatment method of acid sewage storage tank discharging gas | |
| CN205216581U (en) | Can realize device of flue gas desulfurization denitration simultaneously | |
| KR102298467B1 (en) | Reduction of naphthalene in coke oven gas | |
| US6387348B1 (en) | Method for treating spent caustic streams | |
| TW201940433A (en) | Ammonia stripping treatment device for waste water containing acidic component and ammonia and method thereof wherein the amount of alkali added to waste water is reduced | |
| CN214829037U (en) | Device for producing dilute nitric acid by magnesium nitrate method | |
| CN210855897U (en) | For high content of CO2Ethane gas deep purification device | |
| NO130715B (en) |
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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A mixed acid separation equipment Effective date of registration: 20220902 Granted publication date: 20210323 Pledgee: China Minsheng Banking Corp Xi'an branch Pledgor: Xi'an Cisco Sai Industrial Co.,Ltd. Registration number: Y2022610000560 |