CN217661542U - Phosphoric acid concentration tower and system - Google Patents
Phosphoric acid concentration tower and system Download PDFInfo
- Publication number
- CN217661542U CN217661542U CN202221029664.7U CN202221029664U CN217661542U CN 217661542 U CN217661542 U CN 217661542U CN 202221029664 U CN202221029664 U CN 202221029664U CN 217661542 U CN217661542 U CN 217661542U
- Authority
- CN
- China
- Prior art keywords
- tower body
- inlet
- phosphoric acid
- tower
- liquid
- 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
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model belongs to the technical field of chemical industry equipment for phosphoric acid. The utility model provides a phosphoric acid concentration tower and system, include: the device comprises a tower body, a first spraying device, a first inlet, a gas inlet, a liquid outlet and a gas outlet; the first spraying device is positioned at the upper part inside the tower body and is used for spraying liquid into the tower body; the first inlet is positioned outside the tower body, corresponds to and is communicated with the first spraying device and is used for providing a liquid inlet for the first spraying device; the gas inlet is positioned at the lower part of the tower body and is used for providing an inlet for gas to enter the tower body; the liquid outlet is positioned at the bottom of the tower body and is used for enabling liquid in the tower body to flow out of the tower body; and the gas outlet is positioned at the top of the tower body and used for discharging gas in the tower out of the tower body. The utility model discloses the device utilizes this kind of absolutely dry tail gas and the abundant contact of rare phosphoric acid, makes the water content in the phosphoric acid reduce and reach the purpose that improves concentration, can reduce a large amount of consumptions of heat for follow-up production.
Description
Technical Field
The utility model belongs to the technical field of chemical industry equipment for phosphoric acid.
Background
The concentration of the phosphoric acid produced by a common phosphoric acid device is about 20 percent, concentration is required in the process of producing ammonium, a large amount of steam is consumed, and each ton of phosphoric acid (100 percent P) 2 O 5 ) The method consumes 2.6 tons of steam, can reduce the production cost of producing concentrated phosphoric acid, and is a problem that enterprises producing phosphoric acid have not been effectively solved.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a phosphoric acid concentration tower includes: the device comprises a tower body, a first spraying device, a first inlet, a gas inlet, a liquid outlet and a gas outlet; the first spraying device is positioned at the upper part inside the tower body and is used for spraying liquid into the tower body; the first inlet is positioned outside the tower body, corresponds to and is communicated with the first spraying device and is used for providing a liquid inlet for the first spraying device; the gas inlet is positioned at the lower part of the tower body and is used for providing an inlet for gas to enter the tower body; the liquid outlet is positioned at the bottom of the tower body and is used for enabling liquid in the tower body to flow out of the tower body; the gas outlet is positioned at the top of the tower body and used for discharging gas in the tower out of the tower body.
The utility model discloses a concrete embodiment still includes the redistributor, the redistributor sets up in the middle part of tower body for to the liquid that sprays more evenly distribute in the tower body and realize with from the gas from below and from the top fully contact.
In the specific embodiment of the utility model, the tower further comprises a second spraying device and a second inlet, wherein the second spraying device is arranged below the first spraying device and is used for spraying liquid into the tower body; the second inlet is positioned outside the tower body, corresponds to and is communicated with the second spraying device and is used for providing a liquid inlet for the second spraying device.
In the specific embodiment of the utility model, the tower further comprises a third spraying device and a third inlet, wherein the third spraying device is arranged below the second spraying device and is used for spraying liquid into the tower body; and the third inlet is positioned outside the tower body, corresponds to and is communicated with the third spraying device and is used for providing a liquid inlet for the third spraying device.
The utility model discloses a concrete embodiment still includes the silk screen defroster, the silk screen defroster is located the tower body upper portion that is close to the gas outlet for get rid of the liquid or the solid that carry in the gas
In the specific embodiment of the utility model, the liquid level meter also comprises a first liquid level interface and a second liquid level interface; and the lower part of the tower body is positioned below the gas inlet and close to the liquid outlet and is used for installing a liquid level device.
The utility model discloses an in the concrete embodiment, spray set includes spray piping and shower head, spray piping with the import with the shower head is linked together, and liquid sprays liquid to the tower body inside from the shower head after getting into spray piping through the import.
The utility model discloses an in the concrete embodiment, still include the phosphoric acid circulating pump, phosphoric acid circulating pump entry is linked together through the pipeline with the liquid outlet, and its export is linked together through the pipeline with the import.
The utility model also provides a phosphoric acid concentration system, include: a phosphoric acid concentration tower, a secondary absorption tower and a tail gas absorption tower; the gas outlet of the second absorption tower is communicated with the gas inlet of the phosphoric acid concentration tower through a pipeline; and a gas inlet of the tail gas absorption tower is communicated with a gas outlet of the phosphoric acid concentration tower through a pipeline.
The utility model discloses the device utilizes this kind of absolutely dry tail gas and the abundant contact of rare phosphoric acid, becomes saturated vapor discharge behind the moisture through in its saturated phosphoric acid, makes the water content in the phosphoric acid reduce and reach the purpose that improves concentration, can reduce a large amount of consumptions of heat for follow-up production.
Drawings
FIG. 1 is a schematic diagram of a phosphoric acid concentration tower.
Wherein, 1 is a tower body, 2 is a first spraying device, 3 is a first inlet, 4 is a second spraying device, 5 is a second inlet, 6 is a third spraying device, 7 is a third inlet, 8 is a redistributor, 9 is a wire mesh demister, 10 is a gas inlet, 11 is a first liquid level interface, 12 is a second liquid level interface, 13 is a liquid outlet, and 14 is a gas outlet.
FIG. 2 is a schematic diagram of a phosphoric acid concentration column system.
Wherein, 1 is a phosphoric acid concentration tower, 2 is a secondary absorption tower, 3 is a phosphoric acid circulating pump, and 4 is a tail gas absorption tower.
Detailed Description
Example 1
Phosphoric acid concentration tower, including tower body, first spray set, first import, second spray set, second import, third spray set, third import, redistributor, silk screen defroster, gas inlet, first liquid level interface, second liquid level interface, liquid outlet, gas outlet, phosphoric acid circulating pump.
The first spraying device is positioned at the upper part inside the tower body; used for spraying liquid into the tower body.
The first inlet is positioned outside the tower body, corresponds to and is communicated with the first spraying device and is used for providing a liquid inlet for the first spraying device; liquid enters the first spraying device through the first inlet and is sprayed into the tower body through the first spraying device.
The redistributor is arranged in the middle of the tower body and used for distributing sprayed liquid in the tower body more uniformly and realizing full contact with gas from below to above.
The gas inlet is positioned at the lower part of the tower body and is used for providing an inlet for gas to enter the tower body; external gas enters the interior of the tower body through the gas inlet, rises from bottom to top and is fully mixed with liquid sprayed out of the spraying device.
The liquid outlet is located the bottom of tower body, the bottom is the lowest position of tower body, and the liquid of tower body flows out the tower body through the liquid outlet.
The gas outlet is positioned at the top of the tower body, the top is the highest position of the tower body, and gas in the tower is discharged out of the tower body through the gas outlet.
The second spraying device is positioned in the middle of the tower body and below the first spraying device; used for spraying liquid into the tower body. The second spraying device is positioned above the redistributor.
The second inlet is positioned outside the tower body, corresponds to and is communicated with the second spraying device and is used for providing a liquid inlet for the second spraying device; and liquid enters the second spraying device through the second inlet and is sprayed into the tower body through the second spraying device.
The third spraying device is arranged in the middle of the tower body and below the second spraying device and is used for spraying liquid into the tower body; the third spraying device is positioned below the redistributor; the third spraying device is positioned above the gas inlet.
And the third inlet is positioned outside the tower body, corresponds to and is communicated with the third spraying device and is used for providing a liquid inlet for the third spraying device.
The spraying device comprises a spraying pipeline and a spraying head, the spraying pipeline is communicated with the inlet and the spraying head, and liquid enters the spraying pipeline through the inlet and then is sprayed into the tower body from the spraying head.
And the wire mesh demister is positioned at the upper part of the tower body close to the gas outlet and is used for removing liquid or solid carried in gas.
The first liquid level interface and the second liquid level interface are located below the gas inlet and close to the lower part of the tower body of the liquid outlet and used for installing a liquid level device and realizing monitoring of the position of liquid in the tower body.
The inlet of the phosphoric acid circulating pump is communicated with the liquid outlet through a pipeline, and the outlet of the phosphoric acid circulating pump is respectively communicated with the first inlet, the second inlet and the third inlet through pipelines.
A phosphoric acid concentration system, comprising: a phosphoric acid concentration tower, a secondary absorption tower and a tail gas absorption tower; the gas outlet of the second absorption tower is communicated with the gas inlet of the phosphoric acid concentration tower through a pipeline; and a gas inlet of the tail gas absorption tower is communicated with a gas outlet of the phosphoric acid concentration tower through a pipeline.
The method for concentrating phosphoric acid by the phosphoric acid concentration system comprises the following steps:
1. the sulfuric acid tail gas enters the phosphoric acid concentration tower from a gas outlet of the secondary absorption tower and a gas inlet of the phosphoric acid concentration tower;
2. the sulfuric acid tail gas sequentially passes through the third spraying device, the redistributor, the second spraying device, the first spraying device and the wire mesh demister from bottom to top in the phosphoric acid concentration tower, and finally enters the tail gas absorption tower from a gas outlet at the top of the phosphoric acid concentration tower and a gas inlet of the tail gas absorption tower.
In the process that the sulfuric acid tail gas rises from bottom to top in the phosphoric acid concentration tower, one or more of the third spraying device, the second spraying device and the first spraying device spray phosphoric acid at the same time, and in the process that the phosphoric acid is fully contacted with the sulfuric acid tail gas, moisture of the phosphoric acid is taken away by the rising sulfuric acid tail gas, so that the purpose of improving the concentration of the phosphoric acid is achieved.
The phosphoric acid sprayed from the third spraying device, the second spraying device and the first spraying device is concentrated by sulfuric acid tail gas, then concentrated sulfuric acid is collected at the bottom of the phosphoric acid concentration tower, and if the concentration does not meet the requirement, the concentrated sulfuric acid is conveyed to the spraying devices through the inlet by the phosphoric acid circulating pump to be repeatedly sprayed, so that the concentration is further improved.
The utility model discloses the device utilizes this kind of absolutely dry tail gas and the abundant contact of rare phosphoric acid, becomes saturated vapor discharge behind the moisture through in its saturated phosphoric acid, makes the water content in the phosphoric acid reduce and reach the purpose that improves concentration, can reduce a large amount of consumptions of heat for follow-up production.
Claims (9)
1. Phosphoric acid concentration tower, its characterized in that includes: the device comprises a tower body, a first spraying device, a first inlet, a gas inlet, a liquid outlet and a gas outlet;
the first spraying device is positioned at the upper part inside the tower body and is used for spraying liquid into the tower body;
the first inlet is positioned outside the tower body, corresponds to and is communicated with the first spraying device and is used for providing a liquid inlet for the first spraying device;
the gas inlet is positioned at the lower part of the tower body and is used for providing an inlet for gas to enter the tower body;
the liquid outlet is positioned at the bottom of the tower body and is used for enabling liquid in the tower body to flow out of the tower body;
the gas outlet is positioned at the top of the tower body and used for discharging gas in the tower out of the tower body.
2. The phosphoric acid concentration tower according to claim 1, further comprising a redistributor arranged in the middle of the tower body for distributing the sprayed liquid more uniformly in the tower body and achieving sufficient contact with the gas from below to above.
3. The phosphoric acid concentration tower according to claim 1, further comprising a second spraying device and a second inlet,
the second spraying device is arranged below the first spraying device and is used for spraying liquid into the tower body;
the second inlet is positioned outside the tower body, corresponds to and is communicated with the second spraying device and is used for providing a liquid inlet for the second spraying device.
4. The phosphoric acid concentration tower according to claim 1, further comprising a third spraying device and a third inlet,
the third spraying device is arranged below the second spraying device and is used for spraying liquid into the tower body;
and the third inlet is positioned outside the tower body, corresponds to and is communicated with the third spraying device and is used for providing a liquid inlet for the third spraying device.
5. The phosphoric acid concentration tower according to claim 1, further comprising a wire mesh demister,
and the wire mesh demister is positioned at the upper part of the tower body close to the gas outlet and is used for removing liquid or solid carried in gas.
6. The phosphoric acid concentration tower according to claim 1, further comprising a first liquid level interface and a second liquid level interface;
and the lower part of the tower body is positioned below the gas inlet and close to the liquid outlet and is used for installing a liquid level device.
7. The phosphoric acid concentration tower according to claim 1, wherein the spraying device comprises a spraying pipeline and a spraying head,
the spraying pipeline is communicated with the inlet and the spraying head, and liquid enters the spraying pipeline through the inlet and then is sprayed into the tower body from the spraying head.
8. The phosphoric acid concentration tower according to any one of claims 1 to 7, further comprising a phosphoric acid circulation pump, wherein an inlet of the phosphoric acid circulation pump is communicated with the liquid outlet through a pipeline, and an outlet thereof is communicated with the inlet through a pipeline.
9. Phosphoric acid enrichment system, its characterized in that includes:
a second absorption tower, a tail gas absorption tower and a phosphoric acid concentration tower of claim 1;
the gas outlet of the second absorption tower is communicated with the gas inlet of the phosphoric acid concentration tower in claim 1 through a pipeline;
the gas inlet of the tail gas absorption tower is communicated with the gas outlet of the phosphoric acid concentration tower in the claim 1 through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221029664.7U CN217661542U (en) | 2022-04-29 | 2022-04-29 | Phosphoric acid concentration tower and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221029664.7U CN217661542U (en) | 2022-04-29 | 2022-04-29 | Phosphoric acid concentration tower and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217661542U true CN217661542U (en) | 2022-10-28 |
Family
ID=83736481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221029664.7U Active CN217661542U (en) | 2022-04-29 | 2022-04-29 | Phosphoric acid concentration tower and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217661542U (en) |
-
2022
- 2022-04-29 CN CN202221029664.7U patent/CN217661542U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201231130Y (en) | Flue gas desulfurization device for producing ammonia sulfate fertilizer | |
| CN109097816B (en) | Copper dissolving device and copper dissolving method thereof | |
| CN208201154U (en) | A kind of novel energy-conserving copper dissolution device | |
| CN102228776A (en) | Method and apparatus for removing sulfur dioxide from sulfuric acid industrial tail gas, and for recovering sulfuric acid | |
| CN107055659A (en) | A kind of method and its device for reclaiming soluble salt waste water | |
| CN217661542U (en) | Phosphoric acid concentration tower and system | |
| CN215251247U (en) | Copper dissolving system for electrolytic copper foil | |
| CN203108430U (en) | Device for removing low-concentration sulfur dioxide from phosphate concentrate | |
| CN206680207U (en) | COD, the processing system of ammonia nitrogen in a kind of removal steam | |
| CN208865431U (en) | A kind of yellow phosphoric tail gas caustic wash tower | |
| CN207680627U (en) | Epoxychloropropane saponification system | |
| CN207313154U (en) | A kind of calcium carbonate carbonators equipped with gas distributor | |
| CN102838103B (en) | Synthesizer for lithium hexafluorophosphate | |
| CN210544319U (en) | Coking waste gas purifying and recovering device | |
| CN204699583U (en) | A kind of pickling tower air inlet distribution apparatus | |
| CN211987966U (en) | A novel gas washing system for landfill leachate handles | |
| CN207667435U (en) | The absorption plant of sulfur dioxide in a kind of sulfuric-acid production tail gas | |
| CN209066045U (en) | A kind of molten copper device | |
| CN203694878U (en) | Fluorine-containing tail gas scrubbing device | |
| CN207755980U (en) | Hydrogen sulfide absorption tower | |
| CN207566927U (en) | A kind of device for treating high-concentration ammonia | |
| CN102107939A (en) | Ammonia distillation wastewater index control method and device | |
| CN217173502U (en) | Cyanide waste water ammonia nitrogen desorption system | |
| CN212701405U (en) | Production equipment of air pollution treatment medicament | |
| CN205527783U (en) | A ammonia recovery tower for in ammonium nitrate production facility |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |