CN214764464U - Novel wet desulfurization tower - Google Patents
Novel wet desulfurization tower Download PDFInfo
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- CN214764464U CN214764464U CN202120663961.6U CN202120663961U CN214764464U CN 214764464 U CN214764464 U CN 214764464U CN 202120663961 U CN202120663961 U CN 202120663961U CN 214764464 U CN214764464 U CN 214764464U
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- flue gas
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Abstract
The utility model relates to a novel wet flue gas desulfurization tower, comprising a tower body, be equipped with alkaline thick liquid pond, first district, the second of spraying in the tower body and spray district and defogging district, first spraying is distinguished including the cylindricality bucket, cylindricality bucket top is equipped with into mouth, cylindricality bucket middle part is equipped with first pipeline, the rigid coupling has spiral baffle between first pipeline and barrel inner wallThe spiral baffle plate comprises a spiral baffle plate body and is characterized in that two side faces of the spiral baffle plate body are provided with a first branch pipe and a plurality of spray heads, the second spraying area comprises a second branch pipe and a plurality of spray heads, the top of the tower body is provided with a smoke outlet, and the second spraying area are provided with gas uniform distribution plates. The utility model discloses the cylindricality bucket can make flue gas and alkaline slurry fully contact, reaches the high-efficient absorption to acid gas such as sulfur dioxide, and gaseous equipartition board can make the flue gas get into the second and spray the district after distribute evenly, improves desulfurization effect, and the second sprays the acid gas content that the district can further reduce in the flue gas to realize SO2The standard reaching and the ultra-low emission are achieved.
Description
Technical Field
The utility model relates to a desulfurizing tower technical field especially relates to a novel wet flue gas desulfurization tower.
Background
With the development of economic industry in China and the progress of technology, the demand for electricity is increased. The main application of China is coal-fired thermal power generation, which leads to the increase of atmospheric pollutants. Many genset SO's as emission standards become more stringent to implement2The discharge up to the standard can not be realized. In order to promote the green development, the implementation of the national emission standard is more and more severe, and the realization of SO is required2The standard reaching and ultra-low emission are realized, and the modification of a desulfurization system is imminent.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of overcoming the defects existing in the prior art and providing a novel wet desulphurization tower.
The utility model discloses a realize through following technical scheme:
a novel wet desulphurization tower comprises a tower body, wherein an alkaline slurry pool, a first spraying area, a second spraying area and a demisting area are sequentially arranged in the tower body from bottom to top, the first spraying area comprises a cylindrical barrel with an upper side closed and a lower side opened, the outer diameter of the cylindrical barrel is smaller than the inner diameter of the tower body, a smoke inlet is arranged on one side above the cylindrical barrel, a first pipeline is arranged in the middle of the cylindrical barrel, a spiral partition plate is fixedly connected between the first pipeline and the inner wall of the barrel, first branch pipes and a plurality of spray heads corresponding to the first branch pipes are uniformly arranged on two side surfaces of the spiral partition plate, the first branch pipes are communicated with the first pipeline, the first pipeline is connected to the alkaline slurry pool through a first circulating pump, the second spraying area comprises second branch pipes and a plurality of spray heads corresponding to the second branch pipes, the second branch pipes are connected to the alkaline slurry pool through the second pipeline and a second circulating pump, and the demisting area is provided with a demister, the tower body top is equipped with the outlet flue, alkaline thick liquid pond upper strata is equipped with the oxygen pipeline, alkaline thick liquid pond one side is equipped with the PH meter and is connected with sodium hydroxide and adds the pipeline, alkaline thick liquid pond bottom is connected with the sedimentation tank.
Preferably, the top of the cylindrical barrel is provided with a guide plate with a high center and a low periphery.
Preferably, a gas uniform distribution plate is arranged between the second spraying area and the second spraying area.
The utility model has the advantages that:
the utility model discloses a set up the cylindricality bucket and can make flue gas and the alkaline slurry fully contact who sprays, reach the high-efficient absorption to acid gas such as sulfur dioxide, gaseous equipartition board can make the flue gas get into the second and spray the district after distribute evenly, improve desulfurization effect, the second sprays the acid gas content that the district can further reduce in the flue gas to realize SO2The standard reaching and the ultra-low emission are achieved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the tower comprises a tower body, 2 parts of a second pipeline, 3 parts of a first circulating pump, 4 parts of a second circulating pump, 5 parts of a spray head, 6 parts of a cylindrical barrel, 7 parts of a spiral partition plate, 8 parts of a guide plate, 9 parts of a first branch pipe, 10 parts of a first pipeline, 11 parts of a smoke inlet, 12 parts of a gas uniform distribution plate, 13 parts of a second branch pipe, 14 parts of a demister and 15 parts of a smoke outlet.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in the figure, the utility model comprises a tower body 1, an alkaline slurry pool, a first spraying area, a second spraying area and a demisting area are sequentially arranged in the tower body from bottom to top, the first spraying area comprises a cylindrical barrel 6 with an upper side closed and a lower side opened, the outer diameter of the cylindrical barrel is smaller than the inner diameter of the tower body, one side above the cylindrical barrel is provided with a smoke inlet 11, the middle part of the cylindrical barrel is provided with a first pipeline 10, a spiral clapboard 7 is fixedly connected between the first pipeline and the inner wall of the barrel, two side surfaces of the spiral clapboard are respectively provided with a first branch pipe 9 and a plurality of spray heads 5 corresponding to the first branch pipe, the first branch pipe is communicated with the first pipeline, the first pipeline is connected to the alkaline slurry pool through a first circulating pump 3, raw flue gas is fully contacted with the sprayed alkaline slurry through a spiral channel to achieve high-efficiency absorption of acid gases such as sulfur dioxide, the second spraying area comprises a second branch pipe 13 and a plurality of spray heads corresponding to the second branch pipe, the second branch pipe is connected to the alkaline slurry pool through a second pipeline 2 and a second circulating pump 4, the flue gas can further reduce the acid gas content in the flue gas through a second spraying area, the defogging area is provided with a defogger 14 for get rid of a large amount of moisture carried in the flue gas, the tower body top is equipped with a smoke outlet 15, the alkaline slurry pool upper strata is equipped with the oxygen pipeline, alkaline slurry pool one side is equipped with the PH meter and is connected with the sodium hydroxide and adds the pipeline, alkaline slurry pool bottom is connected with the sedimentation tank for the crystallization in the alkaline slurry pool of discharging deposits.
And a guide plate 8 with a high center and a low periphery is arranged at the top of the cylindrical barrel and guides the liquid falling back from the second spraying area to the alkaline slurry pool.
And a gas uniform distribution plate 12 is arranged between the second spraying area and the second spraying area, so that the flue gas is uniformly distributed after entering the second spraying area, and the desulfurization effect is improved.
The utility model relates to a main reaction equation as follows:
2NaOH+SO2＝Na2SO3+H2O 2Na2SO3+O2＝2Na2SO4。
the utility model has the working principle that the first circulating pump and the second circulating pump respectively lift the alkaline slurry in the alkaline slurry pool to the first spraying area and the second spraying area, the raw flue gas enters the upper part of the cylindrical barrel through the flue gas inlet and flows to the lower part of the cylindrical barrel around the spiral partition plate, the alkaline slurry sprayed by the spray head fully contacts the flue gas and carries out physical and chemical reactions, the high-efficiency absorption of acid gases such as sulfur dioxide is achieved, sodium sulfite solution is produced, the flue gas enters the second spraying area through the gas uniform distribution plate and reversely contacts the alkaline slurry sprayed by the spray head of the second spraying area, the content of the acid gases in the flue gas is further reduced, and the acid gases are discharged from the flue gas outlet after a large amount of moisture carried in the flue gas is removed through the demister; the first spraying area and the second spraying area fall back to the alkaline slurry pool and then react with oxygen to generate stable sodium sulfate; when the pH meter detects that the pH value in the alkaline slurry tank is higher, the adding amount of the sodium hydroxide needs to be reduced, and when the pH value in the alkaline slurry tank is lower, the adding amount of the sodium hydroxide needs to be reduced, and the pH value of the alkaline slurry is controlled to be between 5.2 and 5.6. The utility model discloses a set up the cylindricality bucket and can make flue gas and the alkaline slurry fully contact who sprays, reach the high-efficient absorption to acid gas such as sulfur dioxide, gaseous equipartition board can make the flue gas get into the second and spray the district after distribute evenly, improve desulfurization effect, the second sprays the acid gas content that the district can further reduce in the flue gas to realize SO2The standard reaching and the ultra-low emission are achieved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. A novel wet desulphurization tower is characterized by comprising a tower body, wherein an alkaline slurry pool, a first spraying area, a second spraying area and a demisting area are sequentially arranged in the tower body from bottom to top, the first spraying area comprises a cylindrical barrel with an upper side closed and a lower side opened, the outer diameter of the cylindrical barrel is smaller than the inner diameter of the tower body, a smoke inlet is arranged on one side above the cylindrical barrel, a first pipeline is arranged in the middle of the cylindrical barrel, a spiral partition plate is fixedly connected between the first pipeline and the inner wall of the barrel, first branch pipes and a plurality of spray heads corresponding to the first branch pipes are uniformly arranged on two side faces of the spiral partition plate, the first branch pipes are communicated with the first pipeline, the first pipeline is connected to the alkaline slurry pool through a first circulating pump, the second spraying area comprises second branch pipes and a plurality of spray heads corresponding to the second branch pipes, and the second branch pipes are connected to the alkaline slurry pool through a second pipeline and a second circulating pump, the demisting zone is provided with a demister, the top of the tower body is provided with a smoke outlet, the upper layer of the alkaline slurry pool is provided with an oxygen pipeline, one side of the alkaline slurry pool is provided with a PH meter and is connected with a sodium hydroxide adding pipeline, and the bottom of the alkaline slurry pool is connected with a sedimentation tank.
2. The new wet desulfurization tower according to claim 1, wherein the top of the cylindrical barrel is provided with a baffle plate with a high center and a low periphery.
3. The novel wet desulfurization tower according to claim 1, wherein a gas distribution plate is arranged between the second spraying area and the second spraying area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120663961.6U CN214764464U (en) | 2021-04-01 | 2021-04-01 | Novel wet desulfurization tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120663961.6U CN214764464U (en) | 2021-04-01 | 2021-04-01 | Novel wet desulfurization tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214764464U true CN214764464U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120663961.6U Active CN214764464U (en) | 2021-04-01 | 2021-04-01 | Novel wet desulfurization tower |
Country Status (1)
| Country | Link |
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| CN (1) | CN214764464U (en) |
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2021
- 2021-04-01 CN CN202120663961.6U patent/CN214764464U/en active Active
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