CN216024079U - Wet flue gas desulfurization denitration sprays equipment - Google Patents
Wet flue gas desulfurization denitration sprays equipment Download PDFInfo
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- CN216024079U CN216024079U CN202122337449.5U CN202122337449U CN216024079U CN 216024079 U CN216024079 U CN 216024079U CN 202122337449 U CN202122337449 U CN 202122337449U CN 216024079 U CN216024079 U CN 216024079U
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Abstract
The utility model discloses wet-process waste gas desulfurization and denitration spraying equipment which comprises a wet-process waste gas desulfurization and denitration equipment body, wherein a secondary spraying tower is arranged on the wet-process waste gas desulfurization and denitration equipment body, exhaust ports are symmetrically arranged on two sides of an exhaust port at the top of the secondary spraying tower, a spraying mechanism B, a plane spraying mechanism and a spraying auxiliary support are sequentially arranged in the secondary spraying tower from top to bottom, a spraying liquid accommodating groove B is formed in the bottom of the secondary spraying tower, a primary spraying groove is formed in one side of the lower half part of the secondary spraying tower, a spraying liquid accommodating groove A is formed in the bottom of the primary spraying groove, the spraying mechanism A at the top of the inner side of the primary spraying groove is communicated with a liquid storage groove at the top of the primary spraying groove through a guide pipe, the wet-process waste gas desulfurization and denitration equipment adopts treatment liquid washing, and two times of spraying desulfurization and denitration are added, so that sulfur and nitre in waste gas are removed more thoroughly.
Description
Technical Field
The utility model relates to the technical field of wet-process waste gas desulfurization and denitration, in particular to wet-process waste gas desulfurization and denitration spraying equipment.
Background
The importance of the process of removing nitrogen oxides from combustion fumes to prevent environmental pollution has been pointed out as a worldwide problem. The mainstream process in the world comprises the following steps: SCR and SNCR. These two processes are not very different except that the reaction temperature is lower than SNCR due to the use of catalyst for SCR, but the SCR investment is at least several times, even more than 10 times, the SNCR investment if both from the point of view of construction costs and operating costs.
At present, industrial waste gas can only be discharged after desulfurization, denitration's processing before discharging, and this technical scheme provides the effectual wet flue gas desulfurization denitration of desulfurization, denitration and spouts equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide wet-process waste gas desulfurization and denitrification spraying equipment which adopts treatment solution for water washing and is used for spraying desulfurization and denitrification twice to remove sulfur and nitrate in waste gas more thoroughly so as to solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: a wet-process waste gas desulfurization and denitration spraying device comprises a wet-process waste gas desulfurization and denitration device body, wherein a primary spraying tower is arranged on the wet-process waste gas desulfurization and denitration device body, a spraying liquid containing groove A is formed in the bottom of the inner side of the primary spraying tower, a spraying mechanism A is arranged at the top of the inner side of the primary spraying tower, a liquid storage groove is formed in the top of the primary spraying tower, the liquid storage groove is connected with the spraying mechanism A through a guide pipe, and a booster pump is arranged inside the guide pipe;
one side of a spray tower is equipped with the secondary spray tower, communicates between a spray tower and the secondary spray tower, the top of secondary spray tower is equipped with exhaust port, and exhaust port and secondary spray tower structure as an organic whole, the inside of secondary spray tower is equipped with in proper order from top to bottom and sprays mechanism B, plane and sprays the mechanism, sprays the auxiliary stand, spray mechanism B, plane and spray the auxiliary stand all with secondary spray tower inner wall fixed mounting, the bottom of secondary spray tower is equipped with sprays liquid and accomodates groove B, sprays liquid and accomodates groove B and spray and be equipped with the baffle between the liquid accomodates groove A.
Preferably, the outside one side of a spray tower is equipped with the back flow, and the back flow is the L type, the one end of back flow and a spray tower lateral wall are close to the top junction and are equipped with secondary circulating air pump, and the other end of back flow and a spray tower one end are close to the bottom junction and are equipped with the booster pump, the one end head central authorities of a spray tower are equipped with the waste gas input tube, and waste gas input tube and a spray tower linking department are equipped with the booster pump.
Preferably, a diversion fan is arranged at the top of the inner side of the joint of the primary spray tower and the secondary spray tower, the diversion fan is fixedly installed at the top of the joint of the primary spray tower and the secondary spray tower, and a protection plate is arranged at the bottom of the diversion fan.
Preferably, the spraying mechanism B is internally provided with a support which is a flow guide pipe, and the bottom surface of the flow guide pipe is uniformly provided with atomizing nozzles.
Preferably, the plane spraying mechanism is provided with an annular pipeline support, and the inner wall of the annular pipeline support is uniformly provided with nozzles.
Preferably, the top of spraying the auxiliary stand is equipped with the guide plate, sprays the symmetry all around of auxiliary stand and is equipped with linking support, linking support and spraying auxiliary stand structure as an organic whole.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the return pipe enables the waste gas subjected to primary spraying treatment in the primary spraying tower to enter the primary spraying tower from the waste gas input port of the primary spraying tower again through circulation of the return pipe for secondary spraying desulfurization and denitration treatment, so that the waste gas is thoroughly subjected to better desulfurization and denitration treatment;
(2) the top of the inner side of the joint of the primary spray tower and the secondary spray tower is provided with a diversion fan, the diversion fan is fixedly installed with the top of the joint of the primary spray tower and the secondary spray tower, the bottom of the diversion fan is provided with a protection plate, and the diversion fan sends the flue gas which is subjected to spraying treatment in the primary spray tower into the secondary spray tower, so that the flue gas in the primary spray tower has the function of flowing and pushing;
(3) the inner wall of the annular pipeline support is uniformly provided with nozzles, the plane spraying mechanism horizontally sprays desulfurized and denitrated liquid in all directions to form a desulfurized and denitrated water curtain in the horizontal direction in the plane spraying mechanism, and the waste gas passing through the water curtain in the plane spraying mechanism is subjected to comprehensive desulfurization and denitrated treatment;
(4) this wet flue gas desulfurization denitration equipment adopts the treating fluid washing, and in addition twice spray the SOx/NOx control, make sulphur, nitre desorption in the waste gas more thorough.
Drawings
FIG. 1 is a schematic structural diagram of a body of a wet flue gas desulfurization and denitrification apparatus according to the present invention;
FIG. 2 is a sectional view of the body of the wet flue gas desulfurization and denitrification apparatus of the present invention;
FIG. 3 is a schematic view of a planar spray mechanism of the present invention;
FIG. 4 is a schematic view of a spray mechanism B of the present invention;
fig. 5 is a schematic view of the spray auxiliary stand of the present invention.
In the figure: 1. a wet flue gas desulfurization and denitrification equipment body; 2. a secondary spray tower; 3. an exhaust port; 4. a return pipe; 5. a secondary circulating air pump; 6. a primary spray tower; 7. an exhaust gas input pipe; 8. a liquid storage tank; 9. a spraying mechanism A; 10. a spray liquid receiving tank A; 11. A flow guiding fan; 12 plane spraying mechanism; 13. a spraying mechanism B; 14. an annular duct support; 15. spraying an auxiliary bracket; 16. connecting the bracket; 17. a flow guide top plate; 18. and a spray liquid storage tank B.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a wet flue gas desulfurization denitration sprays equipment, includes wet flue gas desulfurization denitration equipment body 1, its characterized in that: wet flue gas desulfurization denitration device body 1 is last to be equipped with a spray column 6, outside one side of a spray column 6 is equipped with back flow 4, back flow 4 is the L type, the one end of back flow 4 and 6 lateral walls of a spray column are close to the top junction and are equipped with secondary circulation air pump 5, the other end of back flow 4 and 6 one end of a spray column are close to the bottom junction and are equipped with the booster pump, back flow 4 will be once more spray column 6 inside through the circulation that the waste gas after the processing of spraying passes through back flow 4 and enter into the inside of a spray column 6 from the waste gas input port department of a spray column 6 once more and carry out the desulfurization that sprays once more, denitration treatment, thorough carries out better desulfurization to waste gas, denitration treatment.
A waste gas input pipe 7 is arranged in the center of one end head of the primary spray tower 6, a booster pump is arranged at the joint of the waste gas input pipe 7 and the primary spray tower 6, a spray liquid receiving groove A10 is arranged at the bottom of the inner side of the primary spray tower 6, waste gas is input into the primary spray tower 6 from the waste gas input pipe 7 and firstly passes through the spray liquid receiving groove A10, desulfurization and denitrification liquid in the spray liquid receiving groove A10 carries out desulfurization and denitrification treatment on the waste gas and then enters the upper part of the inner part of the primary spray tower 6, a spray mechanism A9 is arranged at the top of the inner side of the primary spray tower 6, a liquid storage tank 8 is arranged at the top of the primary spray tower 6, the liquid storage tank 8 is connected with the spray mechanism A9 by adopting a conduit, a booster pump is arranged in the conduit, the booster pump can rapidly spray the desulfurization and denitrification storage liquid in the liquid storage tank 8 from the spray mechanism A9 to the waste gas from top to the bottom under the action of the booster pump, the waste gas is at least subjected to washing, sprinkling desulfurization and denitration treatment when passing through the primary spray tower 6.
One side of a spray tower 6 is equipped with secondary spray tower 2, communicate between a spray tower 6 and the secondary spray tower 2, the inboard top of a spray tower 6 and the linking department of secondary spray tower 2 is equipped with diversion fan 11, diversion fan 11 and the top fixed mounting of a spray tower 6 and the linking department of secondary spray tower 2, diversion fan 11's bottom is equipped with the guard plate, diversion fan 11 sends into the inside of secondary spray tower 2 with the inside flue gas that sprays the processing of a spray tower 6, the flue gas to a spray tower 6 inside has the effect of mobile propelling movement.
The top of secondary spray tower 2 is equipped with exhaust port 3, exhaust port 3 and secondary spray tower 2 structure as an organic whole, the inside of secondary spray tower 2 is equipped with in proper order from top to bottom and sprays mechanism B13, the plane sprays mechanism 12, spray auxiliary stand 15, spray mechanism B13, the plane sprays mechanism 12, spray auxiliary stand 15 all with secondary spray tower 2 inner wall fixed mounting, the inside that sprays mechanism B13 is equipped with the support, the support is the honeycomb duct, the bottom surface of honeycomb duct evenly is equipped with atomizing nozzle, atomizing nozzle that sprays mechanism B13 below will be desulfurized, the liquid of denitration carries out atomizing dispersion after the follow-up to the inside waste gas of secondary spray tower 2 and carries out spraying desulfurization once more, the denitration.
The top that sprays auxiliary stand 15 is equipped with guide plate 17, and guide plate 17 becomes coniform, has the effect of water conservancy diversion to the liquid of the desulfurization that sprays, denitration, and the symmetry all around that sprays auxiliary stand 15 is equipped with and links up support 16, links up support 16 and sprays auxiliary stand 15 structure as an organic whole, sprays auxiliary stand 15 through linking up support 16 and secondary spray tower 2's inner wall fixed mounting.
Be equipped with annular duct support 14 on the plane sprays mechanism 12, annular duct support 14's inner wall evenly is equipped with the nozzle, and the plane sprays mechanism 12 through all-round level and sprays the liquid of desulfurization, denitration, makes the plane spray the inside horizontal direction of mechanism 12 and forms the water curtain of desulfurization, denitration, will carry out comprehensive desulfurization, denitration treatment through the waste gas of the inside water curtain of plane spray mechanism 12.
The bottom of the secondary spray tower 2 is provided with a spray liquid storage groove B18, the spray liquid storage groove B18 stores the desulfurization and denitration liquid sprayed out from the upper part of the secondary spray tower 2, a partition plate is arranged between the spray liquid storage groove B18 and the spray liquid storage groove A10, and the liquids stored in the primary spray tower 6 and the spray liquid storage grooves in the secondary spray tower 2 are respectively stored.
And (3) desulfurization and denitration processes: waste gas passes through waste gas input pipe 7 and enters into the inside of a spray column 6, waste gas is inputed into the inside of a spray column 6 from waste gas input pipe 7 and is taken in groove A10 through spraying liquid earlier, it takes in the inside SOx/NOx control liquid of groove A10 and carries out the desulfurization to waste gas to spray the liquid, entering into the inside top of a spray column 6 behind the denitration treatment, the spray mechanism A9 at the inboard top of a spray column 6, the booster pump is with the inside desulfurization of reservoir 8, the storage liquid of denitration sprays mechanism A9 from last spraying to spraying waste gas fast under the effect of booster pump, waste gas has at least passed through the washing when a spray column 6, drench the desulfurization, the denitration treatment.
Waste gas after being handled through primary spray tower 6, the inside flue gas that sprays the processing of once spray tower 6 under the effect of guiding fan 11 sends into secondary spray tower 2's inside, partial waste gas after once handling enters into the inside of once spray tower 6 from the waste gas input port department of primary spray tower 6 once again through the circulation of back flow 4 through back flow 4 with the inside waste gas after once spraying the processing of once spray tower 6 in back flow 4 and sprays the desulfurization once more, denitration treatment, thorough carries out better desulfurization, denitration treatment to waste gas.
The waste gas that enters into the inside of secondary spray tower 2 at first sprays mechanism 12 through the plane, plane spray mechanism 12 sprays the liquid of desulfurization, denitration through all-round level, make the plane spray the inside horizontal direction of mechanism 12 and form a water curtain of desulfurization, denitration, will spray the waste gas of the inside water curtain of mechanism 12 through the plane and carry out comprehensive desulfurization, denitration treatment, then the waste gas after diligent processing finally discharges from exhaust port 3 after spraying mechanism B13's spraying treatment, accomplish desulfurization, denitration treatment to waste gas.
This wet flue gas desulfurization denitration equipment adopts the treating fluid washing, and in addition twice spray the SOx/NOx control, make sulphur, nitre desorption in the waste gas more thorough.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a wet flue gas desulfurization denitration sprays equipment, includes wet flue gas desulfurization denitration equipment body (1), its characterized in that: a primary spray tower (6) is arranged on the wet-process waste gas desulfurization and denitration equipment body (1), a spray liquid accommodating groove A (10) is formed in the bottom of the inner side of the primary spray tower (6), a spray mechanism A (9) is arranged at the top of the inner side of the primary spray tower (6), a liquid storage groove (8) is formed in the top of the primary spray tower (6), the liquid storage groove (10) is connected with the spray mechanism A (9) through a guide pipe, and a booster pump is arranged inside the guide pipe;
one side of a spray tower (6) is equipped with secondary spray tower (2), communicates between primary spray tower (6) and secondary spray tower (2), the top of secondary spray tower (2) is equipped with exhaust port (3), and exhaust port (3) and secondary spray tower (2) structure as an organic whole, the inside of secondary spray tower (2) is equipped with in proper order from top to bottom and sprays mechanism B (13), plane and spray mechanism (12), spray auxiliary stand (15), spray mechanism B (13), plane and spray auxiliary stand (15) and all with secondary spray tower (2) inner wall fixed mounting, the bottom of secondary spray tower (2) is equipped with sprays liquid and accomodates groove B (18), sprays liquid and accomodates the groove B (18) and spray and be equipped with the baffle between liquid accomodate groove A (10).
2. The wet flue gas desulfurization and denitration spraying apparatus according to claim 1, characterized in that: outside one side of a spray tower (6) is equipped with back flow (4), and back flow (4) are the L type, the one end of back flow (4) and a spray tower (6) lateral wall are close to the top junction and are equipped with secondary circulating air pump (5), and the other end of back flow (4) and a spray tower (6) one end are close to the bottom junction and are equipped with the booster pump, the one end central authorities of a spray tower (6) are equipped with waste gas input pipe (7), and waste gas input pipe (7) and a spray tower (6) link up the department and are equipped with the booster pump.
3. The wet flue gas desulfurization and denitration spraying apparatus according to claim 1, characterized in that: the inner side top of the joint of the primary spray tower (6) and the secondary spray tower (2) is provided with a diversion fan (11), the diversion fan (11) is fixedly installed at the top of the joint of the primary spray tower (6) and the secondary spray tower (2), and a protection plate is arranged at the bottom of the diversion fan (11).
4. The wet flue gas desulfurization and denitration spraying apparatus according to claim 1, characterized in that: the inside of spraying mechanism B (13) is equipped with the support, and the support is the honeycomb duct, and the bottom surface of honeycomb duct evenly is equipped with atomizing nozzle.
5. The wet flue gas desulfurization and denitration spraying apparatus according to claim 1, characterized in that: the plane spraying mechanism (12) is provided with an annular pipeline support (14), and the inner wall of the annular pipeline support (14) is uniformly provided with nozzles.
6. The wet flue gas desulfurization and denitration spraying apparatus according to claim 1, characterized in that: the top of spraying auxiliary stand (15) is equipped with guide plate (17), and the symmetry is equipped with linking support (16) all around of spraying auxiliary stand (15), link up support (16) and spray auxiliary stand (15) structure as an organic whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122337449.5U CN216024079U (en) | 2021-09-26 | 2021-09-26 | Wet flue gas desulfurization denitration sprays equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122337449.5U CN216024079U (en) | 2021-09-26 | 2021-09-26 | Wet flue gas desulfurization denitration sprays equipment |
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| Publication Number | Publication Date |
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| CN216024079U true CN216024079U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122337449.5U Active CN216024079U (en) | 2021-09-26 | 2021-09-26 | Wet flue gas desulfurization denitration sprays equipment |
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| CN (1) | CN216024079U (en) |
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- 2021-09-26 CN CN202122337449.5U patent/CN216024079U/en active Active
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