CN210522188U - Flue gas desulfurization device based on double alkali method - Google Patents
Flue gas desulfurization device based on double alkali method Download PDFInfo
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- CN210522188U CN210522188U CN201920753349.0U CN201920753349U CN210522188U CN 210522188 U CN210522188 U CN 210522188U CN 201920753349 U CN201920753349 U CN 201920753349U CN 210522188 U CN210522188 U CN 210522188U
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- gas desulfurization
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Abstract
The utility model relates to a flue gas desulfurization device based on a double alkali method, which comprises a flue gas desulfurization absorption tower main body, wherein the flue gas desulfurization absorption tower main body comprises an absorption tower shell, an air inlet pipe, a liquid discharge pipe and an exhaust pipe, the absorption tower shell is a hollow cylinder, the exhaust pipe is arranged at the top of the absorption tower shell, a filter plate is arranged at the connecting position of the exhaust pipe and the absorption tower shell, and a plurality of air outlet holes are formed in the surface of the filter plate; the lower surface of the filter plate is provided with a rotating shaft, the rotating shaft is electrically connected with the output end of the controller, and the side surface of the rotating shaft is provided with a plurality of baffle plates; the bottom of rotation axis is connected with the absorption bucket, the absorption bucket set up in the bottom of absorption tower casing, be provided with the clearance between absorption bucket and the absorption tower casing inner wall. The utility model discloses a set up the baffling mechanism of flue gas, the extension flue gas is desulfurization time in the device, enlarges the area of contact of flue gas and absorption liquid, improves the desulfurization effect of flue gas.
Description
Technical Field
The utility model belongs to the technical field of flue gas desulfurization equipment, concretely relates to flue gas desulfurization device based on two alkaline processes.
Background
The dual-alkali flue gas desulfurization process comprises feeding flue gas in a roasting kiln into a desulfurization tower through a smoke exhaust fan, wherein the flue gas rotates in the tower and rises and alkali metal salts such as NaOH and Na sprayed in the tower2CO3、NaHCO3、Na2SO3After fully contacting with the aqueous solution, the aqueous solution is contacted with SO in the flue gas2Reacting, and absorbing SO in a lime liquor reaction tank2Regenerating the solution, recycling the regenerated absorption liquid, and recycling SO2Then the calcium sulfite and the gypsum are separated out in the form of gypsum, and Ca (OH) is actually consumed in the desulfurization2. The dual-alkali fume desulfurizing process has desulfurizing reaction completed in desulfurizing tower and sulfur fixing in circulating water pond. The process flow of the double alkali process is to contact the flue gas with a solution containing sodium sulfite, sodium sulfate, sodium bisulfite, and in some cases, sodium hydroxide or sodium carbonate. Sodium sulfite absorbed SO2Conversion to bisulfite. Withdrawing a portion of the recycleThe liquor reacts with lime to form insoluble calcium sulfite and soluble sodium sulfite and sodium hydroxide. At present, when an absorption tower in a flue gas desulfurization device carries out desulfurization operation on flue gas, the desulfurization effect is not ideal. Therefore, the design of the flue gas desulfurization device capable of improving the eyeball desulfurization effect has important economic, social and environmental protection values and practical significance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provide a flue gas desulfurization device based on a double alkali method, which has simple structure and reasonable design.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a flue gas desulfurization device based on a double alkali method comprises a flue gas desulfurization absorption tower main body, wherein the flue gas desulfurization absorption tower main body comprises an absorption tower shell, an air inlet pipe, a liquid discharge pipe and an exhaust pipe;
the lower surface of the filter plate is provided with a rotating shaft, the rotating shaft is electrically connected with the output end of the controller, and the side surface of the rotating shaft is provided with a plurality of baffle plates;
the bottom of rotation axis is connected with the absorption bucket, the absorption bucket set up in the bottom of absorption tower casing, be provided with the clearance between absorption bucket and the absorption tower casing inner wall.
By adopting the technical scheme, the absorption barrel performs primary dust removal operation on the flue gas, so that the working efficiency of the device is improved; in addition, the rotary baffle plate is arranged in the device, so that the flue gas desulfurization process is prolonged, and the flue gas desulfurization effect is enhanced.
As a further optimization scheme of the utility model, the filter surface still is provided with a plurality of rotatory nozzle, rotatory nozzle with set up in the output electric connection of the controller on absorption tower casing surface.
Through adopting above-mentioned technical scheme, rotatory nozzle's multi-angle rotating enlarges the absorbing area, prevents to absorb the dead angle, rotatory nozzle is used for spraying flue gas desulfurization absorption liquid, carries out desulfurization treatment to the flue gas that gets into.
As the utility model discloses a further optimization scheme, it is adjacent crisscross the setting between the baffling board, the baffling board surface is provided with a plurality of baffling holes.
By adopting the technical scheme, the baffle plate and the baffle holes increase the contact area of the flue gas, so that the flue gas spirally rises, the operation space of the flue gas is enlarged, and the desulfurization effect of the flue gas is further enhanced.
As a further optimization scheme of the utility model, the absorption bucket surface is provided with a plurality of through-holes, the inside drainage that is provided with of absorption bucket, the bottom of absorption bucket with the intake pipe intercommunication.
Through adopting above-mentioned technical scheme, the flue gas has the intake pipe to get into and absorbs the interior dust removal processing that carries on of bucket to inside the direct through-hole entering absorption tower casing that gets into of dust removal processing back, improve the work efficiency that the flue gas was handled.
The beneficial effects of the utility model reside in that:
1) the utility model has the advantages that the dust removal mechanism is arranged in the device, so that the flue gas is subjected to preliminary dust removal treatment before desulfurization, and the working efficiency of the whole device is improved;
2) the utility model has the advantages that the baffling mechanism of the flue gas is arranged in the device, so that the desulfurization time of the flue gas in the device is prolonged, the contact area of the flue gas and the absorption liquid is enlarged, and the desulfurization effect of the flue gas is improved;
3) the utility model discloses a set up multi-angle rotating's shower nozzle, avoid appearing desulfurization absorption liquid and spout the dead angle, make the flue gas desulfurization effect further strengthen.
4) The utility model discloses simple structure, stability is high, reasonable in design, the realization of being convenient for.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
fig. 3 is a schematic view of the internal structure of the top view angle of the present invention;
fig. 4 is a schematic view of the internal structure of the present invention from the bottom.
In the figure: 1. an absorption tower shell; 2. an air inlet pipe; 3. a liquid discharge pipe; 4. an exhaust pipe; 11. a rotating shaft; 12. a baffle plate; 21. an absorption barrel; 41. a filter plate; 42. rotating the spray head; 43. an air outlet; 121. a baffling aperture; 211. and a through hole.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
As shown in fig. 1-4, a flue gas desulfurization device based on a double alkali method comprises a flue gas desulfurization absorption tower main body, wherein the flue gas desulfurization absorption tower main body comprises an absorption tower shell 1, an air inlet pipe 2, a liquid discharge pipe 3 and an exhaust pipe 4, the absorption tower shell 1 is a hollow cylinder, the exhaust pipe 4 is arranged at the top of the absorption tower shell 1, a filter plate 41 is arranged at the connection position of the exhaust pipe 4 and the absorption tower shell 1, a plurality of air outlet holes 43 are arranged on the surface of the filter plate 41, and the air outlet holes 43 are used for discharging flue gas after desulfurization treatment in the absorption tower; the surface of the filter plate 41 is also provided with a plurality of rotary nozzles 42, the rotary nozzles 42 are electrically connected with the output end of a controller arranged on the surface of the absorption tower shell 1, the controller controls the multi-angle rotation of the rotary nozzles 42, the absorption area is enlarged, the absorption dead angle is prevented, and the rotary nozzles 42 are used for spraying flue gas desulfurization absorption liquid to perform desulfurization treatment on the entering flue gas; the lower surface of the filter plate 41 is provided with a rotating shaft 11, the rotating shaft 11 is electrically connected with the output end of a controller, and the controller is used for controlling the starting and the rotating speed of the rotating shaft 11; the side surface of rotation axis 11 is provided with a plurality of baffling boards 12, and is adjacent crisscross setting between the baffling board 12 makes the inside flue gas spiral shell screwing in of absorption tower, prolongs the distance of marcing of flue gas, strengthens the desulfurization effect of flue gas, baffling board 12 surface is provided with a plurality of baffling holes 121, through setting up the area of contact of baffling hole 121 increase flue gas, enlarges the operating space of flue gas, further strengthens the desulfurization effect of flue gas.
The bottom end of the rotating shaft 11 is connected with an absorption barrel 21, the absorption barrel 21 is arranged at the bottom of the absorption tower shell 1, and a gap is formed between the absorption barrel 21 and the inner wall of the absorption tower shell 1 to ensure that absorption liquid after desulfurization and absorption flows out from the bottom of the absorption tower shell 1; the surface of the absorption barrel 21 is provided with a plurality of through holes 211, filtered water is arranged in the absorption barrel 21, and the dust in the flue gas is subjected to primary absorption treatment through the filtered water in the absorption barrel 21; the bottom of absorption bucket 21 with intake pipe 2 intercommunication, through intake pipe 2 to the inside input flue gas of absorption tower casing 1, the flue gas of input carries out preliminary dust removal in absorption bucket 21 and handles, and inside the through-hole 211 discharge absorption tower casing 1 of rethread absorption bucket 21 upper surface, further strengthened the work efficiency of whole flue gas desulfurization operation.
During operation, to wait to handle the flue gas have intake pipe 2 input absorption tower casing 1 inside, carry out preliminary dust removal operation to the flue gas under the effect of the inside filtrate of absorption bucket 21, the flue gas after the dust removal is discharged into absorption tower casing 1 inside again by through-hole 211, the flue gas is under the effect of baffling board 12, spiral shell screwing in, and constantly interact with spun absorption liquid in rotatory nozzle 42, carry out desulfurization operation constantly, absorption liquid after the desulfurization operation is discharged to fluid-discharge tube 3 by the clearance between absorption bucket 21 and the absorption tower casing 1, and discharge, the flue gas after the desulfurization is discharged by blast pipe 4 on absorption tower casing 1 top, thereby accomplish flue gas desulfurization operation. The utility model arranges the absorption barrel 21 in the flue gas desulfurization device to carry out preliminary dust removal operation on the flue gas, thereby improving the working efficiency of the device; in addition, the rotary baffle plate 12 is arranged in the device, so that the flue gas desulfurization process is prolonged, and the flue gas desulfurization effect is enhanced.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (4)
1. The utility model provides a flue gas desulfurization device based on two alkali method which characterized in that: the absorption tower comprises a flue gas desulfurization absorption tower main body, wherein the flue gas desulfurization absorption tower main body comprises an absorption tower shell (1), an air inlet pipe (2), a liquid discharge pipe (3) and an exhaust pipe (4), the absorption tower shell (1) is a hollow cylinder, the exhaust pipe (4) is arranged at the top of the absorption tower shell (1), a filter plate (41) is arranged at the connecting position of the exhaust pipe (4) and the absorption tower shell (1), and a plurality of air outlet holes (43) are formed in the surface of the filter plate (41);
the lower surface of the filter plate (41) is provided with a rotating shaft (11), the rotating shaft (11) is electrically connected with the output end of the controller, and the side surface of the rotating shaft (11) is provided with a plurality of baffle plates (12);
the bottom end of the rotating shaft (11) is connected with an absorption barrel (21), the absorption barrel (21) is arranged at the bottom of the absorption tower shell (1), and a gap is formed between the absorption barrel (21) and the inner wall of the absorption tower shell (1).
2. The flue gas desulfurization device based on the dual alkali method according to claim 1, characterized in that: the surface of the filter plate (41) is also provided with a plurality of rotary nozzles (42), and the rotary nozzles (42) are electrically connected with the output end of a controller arranged on the surface of the absorption tower shell (1).
3. The flue gas desulfurization device based on the dual alkali method according to claim 1, characterized in that: the adjacent baffle plates (12) are arranged in a staggered mode, and a plurality of baffle holes (121) are formed in the surfaces of the baffle plates (12).
4. The flue gas desulfurization device based on the dual alkali method according to claim 1, characterized in that: the surface of the absorption barrel (21) is provided with a plurality of through holes (211), filtered water is arranged inside the absorption barrel (21), and the bottom of the absorption barrel (21) is communicated with the air inlet pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920753349.0U CN210522188U (en) | 2019-05-23 | 2019-05-23 | Flue gas desulfurization device based on double alkali method |
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| CN201920753349.0U CN210522188U (en) | 2019-05-23 | 2019-05-23 | Flue gas desulfurization device based on double alkali method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117323803A (en) * | 2023-09-19 | 2024-01-02 | 唐山三友新材料股份有限公司 | Recovery device for bromine tail gas in bromine production and application method thereof |
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2019
- 2019-05-23 CN CN201920753349.0U patent/CN210522188U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117323803A (en) * | 2023-09-19 | 2024-01-02 | 唐山三友新材料股份有限公司 | Recovery device for bromine tail gas in bromine production and application method thereof |
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