CN219050874U - Defluorination reaction system - Google Patents
Defluorination reaction system Download PDFInfo
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- CN219050874U CN219050874U CN202222990514.9U CN202222990514U CN219050874U CN 219050874 U CN219050874 U CN 219050874U CN 202222990514 U CN202222990514 U CN 202222990514U CN 219050874 U CN219050874 U CN 219050874U
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- washing tower
- storage tank
- electromagnetic valve
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Abstract
The utility model belongs to the field of chemical industry, and discloses a defluorination reaction system which comprises a washing tower, a water glass storage tank, a waste liquid storage tank, a first pump and a second pump; a spraying module is arranged in the washing tower, an outlet of the water glass storage tank is connected with an inlet of the first pump, and an outlet of the first pump is connected to the lower part of the washing tower through a first pipeline; the inlet of the second pump is connected with the bottom of the washing tower, and the outlet of the second pump is connected to the spraying module and the waste liquid storage tank through a third pipeline and a fourth pipeline; the bottom of the washing tower is provided with a pH sensor, and the first pipeline, the third pipeline and the fourth pipeline are respectively connected with a first electromagnetic valve, a third electromagnetic valve and a fourth electromagnetic valve. The system of the utility model can reduce the skill requirements for operators.
Description
Technical Field
The utility model relates to the field of chemical industry, in particular to a defluorination reaction system.
Background
CNCN210261117U discloses a high-efficient feeding device of sodium silicate for solve at present when carrying out the defluorination to the system of making acid, often washing tower and cooling tower add sodium silicate respectively and accomplish for the manual work, the great problem of intensity of labour that brings, the device include washing tower, cooling tower, go up sour pipe, sodium silicate feed system, all through pump and sour pipe with on the bottom mouth of a river of washing tower and cooling tower with the top mouth of a river of washing tower and cooling tower is connected.
The 15 th paragraph of the description describes: pouring barreled sodium water glass into an underground tank, adding new water, opening a steam bed and an automatic valve to fully stir uniformly when preparing liquid, closing the automatic valve when the liquid level of the underground tank is close to the upper limit, completely conveying mixed liquid to a storage tank through a vertical pump, respectively conveying the mixed liquid in the storage tank to an acid feeding pipe on a washing tower and a cooling tower through a liquid outlet pump, fully mixing the sodium water glass with circulating dilute acid in the acid feeding pipe through pump body suction on the washing tower and the cooling tower, entering a tower body spraying device through the acid feeding pipe, fully reacting the sodium water glass in the circulating liquid with fluoride in flue gas in the washing process, achieving the purpose of fixing fluorine, opening the steam bed in each storage tank in winter, and preventing liquid crystallization.
The above scheme only discloses that the water glass is pumped into the appointed equipment through the pump, and when the water glass is pumped into the appointed equipment and how much water glass is pumped into can not be accurately judged for an operator.
Disclosure of Invention
The utility model aims to provide a defluorination reaction system, wherein a pH sensor is arranged at the bottom of a washing tower, an operator can determine when to pump water glass into the washing tower according to the pH value, and can also determine when to stop pumping the water glass according to the pH value, so that the skill requirement on the operator can be reduced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a defluorination reaction system comprises a washing tower, a water glass storage tank, a waste liquid storage tank, a first pump and a second pump; a spraying module is arranged in the washing tower, an outlet of the water glass storage tank is connected with an inlet of the first pump, and an outlet of the first pump is connected to the lower part of the washing tower through a first pipeline; the inlet of the second pump is connected with the bottom of the washing tower, and the outlet of the second pump is connected to the spraying module and the waste liquid storage tank through a third pipeline and a fourth pipeline; the bottom of the washing tower is provided with a pH sensor, and the first pipeline, the third pipeline and the fourth pipeline are respectively connected with a first electromagnetic valve, a third electromagnetic valve and a fourth electromagnetic valve.
In the defluorination reaction system, the outlet of the first pump is also connected with a second pipeline, a second electromagnetic valve is arranged on the second pipeline, and the second pipeline is connected to the spraying module.
In the defluorination reaction system, a water remover positioned above the spraying module is arranged in the washing tower.
In the defluorination reaction system, a liquid level sensor is arranged in the water glass storage tank.
In the defluorination reaction system, a packing layer is arranged in the middle of the washing tower.
Compared with the prior art, the utility model has the beneficial effects that:
according to the scheme, the pH sensor is arranged at the bottom of the washing tower, an operator can determine when to pump water glass to the washing tower according to the pH value, and can also determine when to stop pumping the water glass according to the pH value, so that the skill requirement for the operator can be reduced.
As another alternative form of the utility model, the automatic control of the pump can be realized through a control system, the pH sensor is linked with the first pump, the second pump and each electromagnetic valve, and the first pump, the second pump and each electromagnetic valve are adjusted according to the pH value, so that the purpose of automatic liquid exchange is realized.
Drawings
FIG. 1 is a pipeline flow diagram of example 1.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1, a flue gas defluorination reaction system comprises a washing tower 1, a water glass storage tank 2, a waste liquid storage tank 3, a first pump 4 and a second pump 5; a spraying module 6 is arranged in the washing tower 1, the outlet of the water glass storage tank 2 is connected with the inlet of the first pump 4, and the outlet of the first pump 4 is connected to the lower part of the washing tower 1 through a first pipeline 7; the inlet of the second pump 5 is connected with the bottom of the washing tower 1, and the outlet of the second pump 5 is connected to the spraying module 6 and the waste liquid storage tank 3 through a third pipeline 8 and a fourth pipeline 9; the bottom of the washing tower 1 is provided with a pH sensor 10, and the first pipeline 7, the third pipeline 8 and the fourth pipeline 9 are respectively connected with a first electromagnetic valve 11, a third electromagnetic valve 12 and a fourth electromagnetic valve 13.
In the production process, an operator can control the starting and stopping of the first pump 4 and the second pump 5 and control the on-off of the first electromagnetic valve 11, the third electromagnetic valve 12 and the fourth electromagnetic valve 13, and the first pump 4 and the second pump 5 can also be automatically started and stopped and the first electromagnetic valve 11, the third electromagnetic valve 12 and the fourth electromagnetic valve 13 can be opened and closed by following the pH value through a control system;
in production, if the pH value is reduced, the solution is slightly acidic, which means that the content of hydrogen fluoride at the bottom of the tower is increased, and the bottom solution needs to be replaced by the following replacement method: the first pump 4 is started and the first solenoid valve 11 is opened; the second pump 5 remains on, the third solenoid valve 12 remains open, the fourth solenoid valve 13 opens, the liquid of the second pump 5 is pumped into the waste reservoir 3 and circulated through the spray module 6.
When the pH rises to the set value, the fourth solenoid valve is closed, the first solenoid valve 11 is closed, and the first pump 4 stops running. The liquid circulation in the column is maintained by a second pump 5.
Preferably, the outlet of the first pump 4 is also connected to a second pipe 14, the second pipe 14 being provided with a second solenoid valve 15, the second pipe 14 being connected to the spray module 6. More preferably, a level gauge 16 is also provided at the bottom of the scrubber 1.
When the second pipe 14 is provided, the production flow described above can be further optimized, in particular:
in production, if the pH value is reduced, the solution is slightly acidic, which means that the content of hydrogen fluoride at the bottom of the tower is increased, and the bottom solution needs to be replaced by the following replacement method: the first pump 4 is started, the first solenoid valve 11 is closed, and the second solenoid valve 15 is opened; the second pump 5 keeps working, the third electromagnetic valve 12 is closed, the fourth electromagnetic valve 13 is opened, the liquid of the second pump 5 is pumped into the waste liquid storage tank 3, the first pump 4 supplies liquid to the spraying module 6, the second pump 5 pumps the bottom liquid into the waste liquid storage tank 3 quickly, when the liquid level is low to the warning liquid level, the fourth electromagnetic valve 13 is closed, the third electromagnetic valve 12 is opened, the second electromagnetic valve 15 is closed, and the first electromagnetic valve 11 is opened; when the liquid level rises to the preset liquid level height, the first electromagnetic valve 11 is closed, the first pump 4 is stopped, and the system enters a spraying circulation state.
Preferably, a dehydrator 17 positioned above the spraying module 6 is arranged in the washing tower 1, a liquid level sensor 18 is arranged in the water glass storage tank 2, and a packing layer 19 is arranged in the middle of the washing tower 1.
Claims (5)
1. The defluorination reaction system is characterized by comprising a washing tower, a water glass storage tank, a waste liquid storage tank, a first pump and a second pump; a spraying module is arranged in the washing tower, an outlet of the water glass storage tank is connected with an inlet of the first pump, and an outlet of the first pump is connected to the lower part of the washing tower through a first pipeline; the inlet of the second pump is connected with the bottom of the washing tower, and the outlet of the second pump is connected to the spraying module and the waste liquid storage tank through a third pipeline and a fourth pipeline; the bottom of the washing tower is provided with a pH sensor, and the first pipeline, the third pipeline and the fourth pipeline are respectively connected with a first electromagnetic valve, a third electromagnetic valve and a fourth electromagnetic valve.
2. The defluorination reaction system according to claim 1, wherein the outlet of the first pump is further connected with a second pipe, a second electromagnetic valve is arranged on the second pipe, and the second pipe is connected to the spray module.
3. The defluorination reaction system according to claim 1, wherein a water remover is arranged above the spray module in the washing tower.
4. The defluorination reaction system according to claim 1, wherein a liquid level sensor is provided in the water glass storage tank.
5. The defluorination reaction system according to claim 1, wherein a packing layer is provided in the middle of the scrubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222990514.9U CN219050874U (en) | 2022-11-09 | 2022-11-09 | Defluorination reaction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222990514.9U CN219050874U (en) | 2022-11-09 | 2022-11-09 | Defluorination reaction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219050874U true CN219050874U (en) | 2023-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222990514.9U Active CN219050874U (en) | 2022-11-09 | 2022-11-09 | Defluorination reaction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219050874U (en) |
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2022
- 2022-11-09 CN CN202222990514.9U patent/CN219050874U/en active Active
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