CN210448715U - Acid adding system of desulfurization tail gas acid washing tower - Google Patents
Acid adding system of desulfurization tail gas acid washing tower Download PDFInfo
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- CN210448715U CN210448715U CN201920993658.5U CN201920993658U CN210448715U CN 210448715 U CN210448715 U CN 210448715U CN 201920993658 U CN201920993658 U CN 201920993658U CN 210448715 U CN210448715 U CN 210448715U
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- acid
- tail gas
- storage tank
- desulfurization tail
- dilute acid
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Abstract
The utility model discloses an acid adding system of a desulfurization tail gas pickling tower, belonging to the field of chemical production; the technical problem to be solved is to provide an acid adding system of a desulfurization tail gas acid washing tower, which has simple structure, no leakage, stable acid adding and good acid washing effect; the technical scheme for solving the technical problem is as follows: a desulfurization tail gas pickling tower acidification system comprises a desulfurization tail gas pickling tower and a dilute acid storage tank, wherein a waste acid inlet is formed in the upper part of the dilute acid storage tank, a waste acid outlet is formed in the bottom of the dilute acid storage tank, the waste acid outlet is connected with the desulfurization tail gas pickling tower through dilute acid pumps, the number of the dilute acid pumps is 2, the 2 dilute acid pumps are arranged in parallel, the outlets of the 2 dilute acid pumps are combined into a pipeline, a communicating pipeline is arranged between the 2 dilute acid pumps, one end of the communicating pipeline is connected with the dilute acid storage tank, and the other end of the communicating pipeline is connected with the desulfurization tail gas pickling tower; the utility model discloses but wide application in chemical production field.
Description
Technical Field
The utility model relates to a desulfurization tail gas pickling tower acidification system belongs to chemical production technical field.
Background
The existing desulfurization tail gas acid cleaning tower is generally characterized in that concentrated sulfuric acid is directly added at the bottom of the tower, then clear water is added in the acid cleaning tower for acid cleaning operation, the concentrated sulfuric acid has strong acidity, the inner wall of the acid cleaning tower is seriously corroded, the continuous and stable operation cannot be realized, meanwhile, the fault rate of a concentrated sulfuric acid metering pump is high, the continuous and stable operation cannot be realized, the acidity of a cleaning solution cannot be guaranteed, and meanwhile, the concentrated sulfuric acid is seriously corroded, so that the leakage rate is high, the potential safety hazard exists, and the environmental pollution is easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art exists not enough, provides a simple structure, can not appear leaking, and it is stable to add acid, the effectual desulfurization tail gas pickling tower acidification system of pickling.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a desulfurization tail gas pickling tower adds acid system, includes desulfurization tail gas pickling tower, still includes the dilute acid storage tank, dilute acid storage tank upper portion is provided with the spent acid entry, and the bottom is provided with the spent acid export, and the spent acid export links to each other through the dilute acid pump with desulfurization tail gas pickling tower, and dilute acid pump quantity is 2, 2 dilute acid pumps arrange side by side, 2 dilute acid pump export merge to be a pipeline, 2 dilute acid pump between be provided with the intercommunication pipeline, intercommunication pipeline one end link to each other with the dilute acid storage tank, one end links to each other with desulfurization tail gas pickling tower.
And a liquid level meter is arranged on the side surface of the dilute acid storage tank.
The top of the dilute acid storage tank is provided with an observation manhole, and the bottom of the dilute acid storage tank is provided with a cleaning manhole.
The top of the dilute acid storage tank is provided with a dispersion hole, and the bottom of the dilute acid storage tank is provided with a vent.
The communicating pipeline is provided with a first switch valve.
The material of the dilute acid storage tank is glass fiber reinforced plastic.
Compared with the prior art, the utility model following beneficial effect has: the two dilute acid pumps can be used alternately, the pump body is prevented from being damaged, the dilute acid can be continuously added into the pickling tower, the dilute acid storage tank is made of glass fiber reinforced plastic, the corrosion resistance degree is high, the service life is prolonged, the dilute acid is used, the concentrated sulfuric acid is not used for pickling, the potential safety hazard is eliminated, and the equipment maintenance cost and the maintenance difficulty are reduced.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1 is a desulfurization tail gas pickling tower, 2 is a dilute acid storage tank, 3 is a waste acid inlet, 4 is a waste acid outlet, 5 is a dilute acid pump, 6 is a communicating pipeline, 7 is a liquid level meter, 8 is an observation manhole, 9 is a cleaning manhole, 10 is a dispersion hole, 11 is a vent, and 12 is a switch valve.
Detailed Description
As shown in figure 1, the utility model relates to a desulfurization tail gas pickling tower acidification system, which comprises a desulfurization tail gas pickling tower 1 and a dilute acid storage tank 2, wherein the upper part of the dilute acid storage tank 2 is provided with a waste acid inlet 3, the bottom part of the dilute acid storage tank is provided with a waste acid outlet 4, the waste acid outlet 4 is connected with the desulfurization tail gas pickling tower 1 through a dilute acid pump 5, the number of the dilute acid pumps 5 is 2, the 2 dilute acid pumps 5 are arranged side by side, the outlets of the 2 dilute acid pumps 5 are combined into a pipeline, a communicating pipeline 6 is arranged between the 2 dilute acid pumps 5, one end of the communicating pipeline 6 is connected with the dilute acid storage tank 2, one end of the communicating pipeline is connected with the desulfurization tail gas pickling tower 1, the side surface of the dilute acid storage tank 2 is provided with a liquid level meter 7, the top part of the dilute acid storage tank 2 is provided with an observation manhole 8, the communicating pipeline 6 is provided with a switch valve 12, and the dilute acid storage tank 2 is made of glass fiber reinforced plastic.
The utility model discloses when using, collect the spent acid (acidity about 5%) that the flue gas desulfurization process produced in unison to ammonium sulfate process diluted acid storage tank, open the diluted acid pump simultaneously in turn and transport the spent acid to desulfurization tail gas pickling tower, carry out the pickling operation, do not use concentrated acid, factor of safety is high, and the maintenance degree of difficulty is low.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (6)
1. The utility model provides a desulfurization tail gas pickling tower acidification system, includes desulfurization tail gas pickling tower (1), its characterized in that: still include diluted acid storage tank (2), diluted acid storage tank (2) upper portion is provided with spent acid entry (3), and the bottom is provided with spent acid export (4), and spent acid export (4) link to each other through diluted acid pump (5) with desulfurization tail gas pickling tower (1), and diluted acid pump (5) quantity is 2, 2 diluted acid pump (5) arrange side by side, the export of 2 diluted acid pump (5) merge to be a pipeline, 2 diluted acid pump (5) between be provided with communicating pipe (6), communicating pipe (6) one end link to each other with diluted acid storage tank (2), one end links to each other with desulfurization tail gas pickling tower (1).
2. The desulfurization tail gas acid-washing tower acid-adding system of claim 1, characterized in that: and a liquid level meter (7) is arranged on the side surface of the dilute acid storage tank (2).
3. The desulfurization tail gas acid-washing tower acid-adding system of claim 1, characterized in that: the top of the dilute acid storage tank (2) is provided with an observation manhole (8), and the bottom of the dilute acid storage tank is provided with a cleaning manhole (9).
4. The desulfurization tail gas acid-washing tower acid-adding system of claim 1, characterized in that: the top of the dilute acid storage tank (2) is provided with a dispersion hole (10), and the bottom is provided with a vent (11).
5. The desulfurization tail gas acid-washing tower acid-adding system of claim 1, characterized in that: the communicating pipeline (6) is provided with a switch valve (12).
6. The desulfurization tail gas acid-washing tower acid-adding system of claim 1, characterized in that: the material of the dilute acid storage tank (2) is glass fiber reinforced plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920993658.5U CN210448715U (en) | 2019-06-28 | 2019-06-28 | Acid adding system of desulfurization tail gas acid washing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920993658.5U CN210448715U (en) | 2019-06-28 | 2019-06-28 | Acid adding system of desulfurization tail gas acid washing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210448715U true CN210448715U (en) | 2020-05-05 |
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ID=70442693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920993658.5U Active CN210448715U (en) | 2019-06-28 | 2019-06-28 | Acid adding system of desulfurization tail gas acid washing tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210448715U (en) |
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2019
- 2019-06-28 CN CN201920993658.5U patent/CN210448715U/en active Active
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