CN214159150U - Tail gas absorption and emission reduction device - Google Patents
Tail gas absorption and emission reduction device Download PDFInfo
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- CN214159150U CN214159150U CN202023319882.8U CN202023319882U CN214159150U CN 214159150 U CN214159150 U CN 214159150U CN 202023319882 U CN202023319882 U CN 202023319882U CN 214159150 U CN214159150 U CN 214159150U
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Abstract
The utility model discloses a tail gas absorbs and reduces discharging device, include: the tail absorption tower is connected with the tail absorption tower through the gas pipe. The utility model discloses a be equipped with the liquid storage pot that has hydrogen peroxide solution, then make gas-supply pipe and liquid storage pot link up the setting, can make sulfur dioxide and hydrogen peroxide solution collision produce the reaction, hydrogen peroxide solution absorbent desulfurization activity is strong, the reaction rate is fast, desulfurization effect is good, then will pass through in hydrogen peroxide solution and the remaining sulfur dioxide of reaction carry the tail absorption tower, not only can absorb sulfur dioxide, can also be to the dilute sulfuric acid recycle who generates, and remaining sulfur dioxide can be absorbed in carrying the tower that packs through the circulating pump, the clean gas after the absorption can be followed and discharged after the blast pipe defogging.
Description
Technical Field
The utility model relates to a tail gas absorption reduces discharging equipment technical field specifically is a tail gas absorption reduces discharging device.
Background
Sulfur dioxide is a toxic gas, and sulfur dioxide discharged into the atmosphere can form acid rain, so that the water quality is acidified, the water ecosystem is changed, plankton is dead, and fish reproduction is influenced. Acid rain can also harm forests, destroy soil, reduce crop yield, and corrode stone carving and buildings. When the concentration of sulfur dioxide in the air reaches 20X 10-6, conjunctivitis, acute bronchitis, and glottic edema, pulmonary edema and airway paralysis can be caused at extremely high concentrations. Some tail gases require absorption of sulfur dioxide from the tail gas before being discharged.
The tail absorption device used in the sulfuric acid workshop of the chemical company is mostly designed by spraying alkali liquor from top to bottom in a tower to absorb SO2 in tail gas, but the process has poor absorption effect and high cost, and the alkali reacts with SO2 to generate byproducts, SO that secondary pollution can be formed, and the long-term and efficient production is not facilitated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tail gas absorbs and reduces discharging device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an exhaust gas absorption and emission reduction device, comprising: liquid storage pot, two tower, tail are inhaled tower, circulating pump and filled tower, the injection has hydrogen peroxide solution in the liquid storage pot, the top of liquid storage pot link up and is provided with the gas-supply pipe for make sulfur dioxide in the tail gas react with hydrogen peroxide solution, the discharge gate of liquid storage pot carries out through connection through gas-supply pipe and tail absorption tower again, first valve is installed to the gas-supply pipe between liquid storage pot and the tail absorption tower still screw thread, the discharge end of tail absorption tower still carries out through connection with the circulating pump, the discharge gate and the filled tower of circulating pump carry out through connection for absorb remaining sulfur dioxide gas.
Preferably, one side of the liquid storage tank is also provided with two absorption towers, and discharge ports of the two absorption towers are also communicated with the tail absorption tower through gas conveying pipes.
Preferably, the top of the packed tower is provided with an exhaust pipe in a penetrating way.
Preferably, the discharge hole of the circulating pump is communicated with the feed inlet of the tail absorption tower through a gas pipe, and a second valve is arranged above the gas pipe between the circulating pump and the tail absorption tower in a threaded manner.
Preferably, a third valve is further installed above the gas conveying pipe between the circulating pump and the packed tower in a threaded mode.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a be equipped with the liquid storage pot, it has hydrogen peroxide solution to pour into in the liquid storage pot, then make gas-supply pipe and liquid storage pot link up the setting, can make sulfur dioxide and hydrogen peroxide solution collision produce the reaction, the hydrogen peroxide solution absorbent desulfurization activity is strong, the reaction rate is fast, desulfurization effect is good, then will pass through the hydrogen peroxide solution of reaction and remaining sulfur dioxide carry the tail to inhale in the tower, not only can absorb sulfur dioxide, can also recycle the dilute sulfuric acid who generates, and remaining sulfur dioxide can be carried in the filled tower through the circulating pump and absorbed, the clean gas after the absorption can be discharged after the blast pipe defogging;
2. the utility model discloses still be equipped with two simultaneously and inhale the tower, can directly deliver the tail absorption tower for through the gas-supply pipe with the secondary absorption's tail gas, improved absorptive efficiency to each segmentation at the gas-supply pipe is equipped with first valve, second valve and third valve respectively, can be according to the circulation flow size of in-service use through these valve control tail gas, the device is equipped with the facility few, and convenient operation.
Drawings
Fig. 1 is a flow chart of the working principle of the present invention.
In the figure: 1-a liquid storage tank; 2-second absorption tower; 3-tail absorption tower; 4-a circulating pump; 5-a packed column; 6-gas transmission pipe; 601-a first valve; 602-a second valve; 603-a third valve; 7-exhaust pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: an exhaust gas absorption and emission reduction device, comprising: liquid storage pot 1, two inhale tower 2, tail and inhale tower 3, circulating pump 4 and packed tower 5, it has hydrogen peroxide solution to pour into in the liquid storage pot 1 into, the top of liquid storage pot 1 link up and is provided with gas-supply pipe 6 for make sulfur dioxide in the tail gas react with hydrogen peroxide solution, the discharge gate of liquid storage pot 1 carries out through connection through gas-supply pipe 6 and tail absorption tower 3 again, first valve 601 is installed to gas-supply pipe 6 still screw thread between liquid storage pot 1 and the tail absorption tower 3, the discharge end of tail absorption tower 3 still carries out through connection with circulating pump 4, the discharge gate and the packed tower 5 of circulating pump 4 carry out through connection for absorb remaining sulfur dioxide gas.
Referring to fig. 1, one side of the liquid storage tank 1 is also provided with two absorption towers 2, the discharge holes of the two absorption towers 2 are also communicated with the tail absorption tower 3 through gas pipes 6, so that the tail gas of secondary absorption can be directly conveyed to the tail absorption tower 3 through the gas pipes 6, and the absorption efficiency is improved.
Referring to fig. 1, an exhaust pipe 7 is arranged through the top of the packed tower 5, and the absorbed clean gas can be demisted and then discharged from the exhaust pipe 7.
Referring to fig. 1, the discharge hole of the circulation pump 4 is further communicated with the feed inlet of the tail absorption tower 3 through the gas pipe 6, a second valve 602 is installed above the gas pipe 6 between the circulation pump 4 and the tail absorption tower 3 through threads, and the second valve 602 can control the opening and closing and the flow of the gas pipe 6 between the circulation pump 4 and the tail absorption tower 3.
Referring to fig. 1, a third valve 603 is further installed above the gas pipe 6 between the circulating pump 4 and the packed tower 5 in a threaded manner, and the flow rate of the gas pipe 6 between the circulating pump 4 and the packed tower 5 can be controlled by the third valve 603.
The working principle is as follows: the utility model discloses a through being equipped with liquid storage pot 1, it has hydrogen peroxide solution to pour into in the liquid storage pot 1, then make gas-supply pipe 6 and liquid storage pot 1 link up the setting, can make sulfur dioxide and hydrogen peroxide solution collision produce the reaction, the hydrogen peroxide solution absorbent desulfurization activity is strong, the reaction rate is fast, the desulfurization is effectual, then will pass through the hydrogen peroxide solution of reaction and remaining sulfur dioxide to carry in the tail absorption tower 3 again, not only can absorb sulfur dioxide, can also recycle the dilute sulphuric acid who generates, and remaining sulfur dioxide can be carried in the tower of packing 5 through circulating pump 4 and absorbed, the clean gas after the absorption can be discharged after 7 demists of blast pipe; the utility model discloses still be equipped with two simultaneously and inhale tower 2, can directly deliver the secondary absorption's tail gas for tail absorption tower 3 through gas-supply pipe 6, improved absorptive efficiency to be equipped with first valve 601, second valve 602 and third valve 603 respectively in each segmentation of gas-supply pipe 6, can be according to the circulation flow size of in-service use through these valve control tail gas, the device is equipped with the facility few, and convenient operation.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a tail gas absorbs emission reduction device, includes liquid storage pot (1), two absorption tower (2), tail absorption tower (3), circulating pump (4) and packed tower (5), its characterized in that: the utility model discloses a hydrogen peroxide solution storage tank, including liquid storage tank (1), the top of liquid storage tank (1) link up and is provided with gas-supply pipe (6) for make sulfur dioxide and hydrogen peroxide solution in the tail gas react, the discharge gate of liquid storage tank (1) is again through gas-supply pipe (6) and tail absorption tower (3) through link up, liquid storage tank (1) and tail absorption tower (3) between gas-supply pipe (6) still threaded mounting have first valve (601), the discharge end of tail absorption tower (3) still carries out through link up with circulating pump (4), the discharge gate and the packed tower (5) of circulating pump (4) carry out through link up and are connected for absorb remaining sulfur dioxide gas.
2. The tail gas absorption and emission reduction device according to claim 1, characterized in that: one side of the liquid storage tank (1) is also provided with two absorption towers (2), and the discharge hole of each two absorption tower (2) is also communicated with the tail absorption tower (3) through a gas conveying pipe (6).
3. The tail gas absorption and emission reduction device according to claim 1, characterized in that: and the top of the packed tower (5) is provided with an exhaust pipe (7) in a penetrating way.
4. The tail gas absorption and emission reduction device according to claim 1, characterized in that: the discharge gate of circulating pump (4) still carries out through connection through gas-supply pipe (6) and the feed inlet of tail absorption tower (3), second valve (602) are installed to gas-supply pipe (6) top screw thread between tower (3) is inhaled to circulating pump (4) and tail.
5. The tail gas absorption and emission reduction device according to claim 1, characterized in that: and a third valve (603) is further installed above the gas conveying pipe (6) between the circulating pump (4) and the packed tower (5) in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023319882.8U CN214159150U (en) | 2020-12-31 | 2020-12-31 | Tail gas absorption and emission reduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023319882.8U CN214159150U (en) | 2020-12-31 | 2020-12-31 | Tail gas absorption and emission reduction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214159150U true CN214159150U (en) | 2021-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023319882.8U Active CN214159150U (en) | 2020-12-31 | 2020-12-31 | Tail gas absorption and emission reduction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214159150U (en) |
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2020
- 2020-12-31 CN CN202023319882.8U patent/CN214159150U/en active Active
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