CN216537801U - Flue gas desulfurization dust removal spray set - Google Patents

Abstract

The utility model discloses a flue gas desulfurization dust removal spray device which comprises a dust removal spray box, wherein a bottom plate of the dust removal spray box is fixedly welded with a base, a recovery tank I is arranged on the upper side of the surface of the base, a recovery tank II is arranged on the right side of the recovery tank I, a spray tank is arranged on the upper side of the recovery tank II, a gas washing tank is arranged on the upper side of the recovery tank I, a partition plate is arranged in the dust removal spray box, a gas carrying disc is arranged on the left side of the partition plate, a smoke outlet disc is arranged on the right side of the partition plate, a gas guide frame is fixedly connected to the upper side of the smoke outlet disc, and a spray mechanism is fixedly arranged on the upper side of the gas guide frame. According to the flue gas desulfurization dust removal spray device, the spray pipe I, the spray pipe II, the spray pipe III and the spray pipe IV are combined together to form a complete circular surface, so that liquid beads sprayed by the spray mechanism can be in uniform contact operation with flue gas, and the desulfurization effect of the spray mechanism on the flue gas is improved.

Description

Flue gas desulfurization dust removal spray set

Technical Field

The utility model relates to the technical field of desulfurization, in particular to a flue gas desulfurization dust removal spray device.

Background

Flue gas desulfurization refers to the removal of sulfur oxides (SO2 and SO3) from flue gas or other industrial waste gas in a wet flue gas desulfurization system where alkaline species (usually an alkaline solution, more often a slurry of an alkali) meet the flue gas in a spray tower, SO2 in the flue gas dissolves in the water to form a dilute acid solution, which then undergoes a neutralization reaction with the alkaline species dissolved in the water, with the resulting sulfite and sulfate salts precipitating out of the aqueous solution depending on the relative solubilities of the different salts present in the solution.

At present flue gas desulfurization in the use, flue gas desulfurization inner structure is complicated, is equipped with a plurality of layers that spray, has improved the manufacturing cost of equipment to in the in-service use process, its flue gas desulfurization's effect is general, and the efficiency that sprays is not even enough, influences flue gas desulfurization.

Therefore, a flue gas desulfurization and dust removal spraying device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flue gas desulfurization and dust removal spray device to solve the defects in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a flue gas desulfurization spray set that removes dust, sprays the case including removing dust, remove dust and spray bottom of the case board and base welded fastening, and the base surface upside has placed accumulator I, and accumulator II has been placed on accumulator I right side, and II upsides of accumulator spray the groove simultaneously to I upsides of accumulator are the gas washing groove, remove dust and spray incasement internally mounted and have the division board, and the division board left side installs the gas tray, and the smoke tray is installed on the division board right side simultaneously to go out smoke tray upside fixedly connected with air guide frame, air guide frame upside fixed mounting has the spray mechanism.

Preferably, communicating pipe is installed to the division board upside, and communicating pipe is the tubaeform setting of being made by the metal material, and the gas washing groove passes through communicating pipe and sprays the groove intercommunication setting simultaneously.

Preferably, the outlet pipe is all installed with the bottom in gas washing groove to the groove that sprays, and installs the valve on the outlet pipe, and the outlet pipe setting of the tank bottom that sprays is in the top of accumulator II, and the outlet pipe setting of the tank bottom that simultaneously washes is in the top of accumulator I, and the bottom that sprays the groove is provided with the inclined plane, and the inclination on inclined plane is 15, and the outlet duct is installed to the top that sprays the groove.

Preferably, the gas carrying disc is of a circular structure made of metal materials, a plurality of groups of cigarette outlets are uniformly arranged at the bottom of the gas carrying disc, the cigarette outlets are submerged in liquid in the gas washing tank, and a cigarette outlet pipe is arranged on the upper side of each cigarette outlet.

Preferably, the cigarette outlet disc is of a circular structure made of metal materials, a plurality of groups of air outlet nozzles are uniformly arranged on the surface of the bottom of the cigarette outlet disc, and the cigarette outlet disc is communicated with the air washing tank through a long pipe and a communicating pipe.

Preferably, the air guide frame is a funnel-shaped structure made of metal materials, and the bottom of the air guide frame covers the smoke outlet tray.

Preferably, the spraying mechanism comprises a spraying pipe I, a spraying pipe II, a spraying pipe III and a spraying pipe IV, the spraying nozzles are annularly arranged on the bottom plates of the spraying pipe I, the spraying pipe II, the spraying pipe III and the spraying pipe IV, the spraying pipes I, the spraying pipe II, the spraying pipe III and the spraying pipe IV are concentric structures, and water inlet pipes are arranged on the spraying pipe I, the spraying pipe II, the spraying pipe III and the spraying pipe IV.

Compared with the prior art, the utility model has the beneficial effects that:

1. the spray pipe I, the spray pipe II, the spray pipe III and the spray pipe IV are combined together to form a complete circular surface, so that liquid beads sprayed from the spraying mechanism can be in uniform contact with flue gas, and the desulfurization effect of the spraying mechanism on the flue gas is improved;

2. the inside liquid of gas washing groove is retrieved to the inside of accumulator I, and the liquid that sprays the inslot portion like this retrieves the inside of accumulator II with same mode, is convenient for carry out the secondary use with the gas washing groove with the liquid processing back of spraying the inslot portion.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic sectional view taken along line A-A in FIG. 1;

FIG. 3 is a top view of the spray mechanism of the present invention;

FIG. 4 is a schematic view of a structural communication tube of the present invention;

fig. 5 is a schematic view of the spraying mechanism of the structure of the utility model.

Reference numbers in the figures: 1. a dust removal spray box; 2. discharging the smoke tube; 3. a gas washing tank; 4. a separator plate; 5. a spray tank; 6. a gas-carrying tray; 7. discharging the cigarette holder; 8. a base; 9. a recovery tank I; 10. a recovery tank II; 11. an inclined surface; 12. a cigarette outlet disc; 13. a long tube; 14. a gas-guiding frame; 15. a spray pipe I; 16. a spray pipe II; 17. a spray pipe III; 18. a spray pipe IV; 19. a spray nozzle; 20. a spraying mechanism; 21. a communication pipe is provided.

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: a flue gas desulfurization dust removal spray device comprises a dust removal spray box 1, wherein a bottom plate of the dust removal spray box 1 is fixedly welded with a base 8, a recovery tank I9 is arranged on the upper side of the surface of the base 8, a recovery tank II 10 is arranged on the right side of the recovery tank I9, a spray tank 5 is arranged on the upper side of the recovery tank II 10, a gas washing tank 3 is arranged on the upper side of the recovery tank I9, a partition plate 4 is arranged in the dust removal spray box 1, a gas carrying disc 6 is arranged on the left side of the partition plate 4, a smoke outlet disc 12 is arranged on the right side of the partition plate 4, a gas guide frame 14 is fixedly connected to the upper side of the smoke outlet disc 12, the gas carrying disc 6 is of a circular structure made of metal materials, a plurality of groups of smoke outlet nozzles 7 are uniformly arranged at the bottom of the gas carrying disc 6, the smoke outlet nozzles 7 are submerged in liquid in the gas washing tank 3, and a smoke outlet pipe 2 is arranged on the upper side of the smoke outlet nozzles 7; the air guide frame 14 is a funnel-shaped structure made of metal materials, and the bottom of the air guide frame 14 covers the smoke outlet disc 12; the upper side of the air guide frame 14 is fixedly provided with a spraying mechanism 20; the upper side of the isolation plate 4 is provided with a communicating pipe 21, the communicating pipe 21 is in a horn shape made of metal materials, and the gas washing tank 3 is communicated with the spraying tank 5 through the communicating pipe 21; water outlet pipes are respectively arranged at the bottoms of the spraying groove 5 and the gas washing groove 3, valves are arranged on the water outlet pipes, the water outlet pipe at the bottom of the spraying groove 5 is arranged above the recovery groove II 10, the water outlet pipe at the bottom of the gas washing groove 3 is arranged above the recovery groove I9, an inclined plane 11 is arranged at the bottom of the spraying groove 5, the inclined plane 11 has an inclination angle of 15 degrees, and a gas outlet pipe is arranged above the spraying groove 5; the cigarette discharging tray 12 is a circular structure made of metal materials, a plurality of groups of air outlet nozzles are uniformly arranged on the bottom surface of the cigarette discharging tray 12, and meanwhile, the cigarette discharging tray 12 is communicated with the air washing tank 3 through a long pipe 13 and a communicating pipe 21; the spraying mechanism 20 comprises a spraying pipe I15, a spraying pipe II 16, a spraying pipe III 17 and a spraying pipe IV 18, spraying nozzles 19 are annularly arranged on the bottom plates of the spraying pipe I15, the spraying pipe II 16, the spraying pipe III 17 and the spraying pipe IV 18, the spraying pipe I15, the spraying pipe II 16, the spraying pipe III 17 and the spraying pipe IV 18 are of concentric structures, and water inlet pipes are arranged on the spraying pipe I15, the spraying pipe II 16, the spraying pipe III 17 and the spraying pipe IV 18.

As shown in fig. 1, 3 and 5: flue gas in the air guide frame 14 moves upwards to contact with liquid beads sprayed by the spraying mechanism 20, the spray pipe I15, the spray pipe II 16, the spray pipe III 17 and the spray pipe IV 18 are combined together to form a complete circular surface, so that the liquid beads sprayed by the spraying mechanism 20 can be in uniform contact with the flue gas, the desulfurization effect of the spraying mechanism 20 on the flue gas is improved, and the desulfurized flue gas is discharged through the exhaust pipe above the spraying groove 5.

As shown in fig. 1: when needs carry out the discharge with the inside liquid of gas washing groove 3, open the valve of 3 bottom drain pipes of gas washing groove this moment, the inside liquid recovery of gas washing groove 3 this moment to the inside of accumulator I9, the liquid that sprays 5 insides of groove with the inside of same mode recovery tank II 10 of spraying like this, play environmental protection and energy saving's effect.

The working principle is as follows: when the flue gas desulfurization dust removal spray device is used, sulfur-containing flue gas enters the flue gas outlet pipe 2 and enters the carrier gas tray 6, the flue gas is sprayed out from the flue gas outlet nozzle 7 at the bottom of the carrier gas tray 6 and is fully contacted and mixed with liquid in the gas washing tank 3, so that sulfur-containing substances in the flue gas are partially purified in the gas washing tank 3, then the flue gas floats out of the water under the pressure action of the flue gas at the rear, enters the long pipe 13 under the action of the communicating pipe 21 and then enters the flue gas outlet tray 12, and is sprayed out from the gas outlet nozzles at the bottom of the flue gas to enter the gas guide frame 14, at the moment, an external spray pump is opened, the gas washing liquid sequentially enters the spray pipes I15, II 16, III 17 and IV 18 through the liquid inlet pipe and is sprayed out from the spray nozzles 19 at the bottoms of the four groups of spray pipes, so that the sprayed liquid is uniformly and fully contacted with the flue gas in the gas guide frame 14, the desulfurization effect on the flue gas is improved; the whole process of the flue gas desulfurization dust removal spray device is realized.

Claims (7)

1. The utility model provides a flue gas desulfurization dust removal spray set, sprays case (1) including removing dust, its characterized in that: dust removal sprays case (1) bottom plate and base (8) welded fastening, and base (8) surface upside has placed accumulator I (9), and accumulator II (10) have been placed on accumulator I (9) right side, and accumulator II (10) upside sprays groove (5) simultaneously to accumulator I (9) upside is to wash gas tank (3), dust removal sprays case (1) internally mounted and has division board (4), and division board (4) left side installation has gas tray (6), and goes out smoke tray (12) are installed on division board (4) right side simultaneously to go out smoke tray (12) upside fixedly connected with air guide frame (14), air guide frame (14) upside fixed mounting has sprays mechanism (20).

2. The flue gas desulfurization dust removal spray set of claim 1, characterized in that: communicating pipe (21) are installed to division board (4) upside, and communicating pipe (21) are the tubaeform setting of being made by the metal material, and simultaneously gas washing groove (3) are through communicating pipe (21) and spraying groove (5) intercommunication setting.

3. The flue gas desulfurization dust removal spray set of claim 1, characterized in that: the outlet pipe is all installed with the bottom of washing gas groove (3) in spray groove (5), and installs the valve on the outlet pipe, and the outlet pipe setting of spray groove (5) bottom is in the top of accumulator II (10), and the outlet pipe setting of washing gas groove (3) bottom is in the top of accumulator I (9) simultaneously, and the bottom of spray groove (5) is provided with inclined plane (11), and the inclination of inclined plane (11) is 15, and the outlet duct is installed to the top of spray groove (5).

4. The flue gas desulfurization dust removal spray set of claim 1, characterized in that: the gas carrying disc (6) is of a circular structure made of metal materials, a plurality of groups of cigarette outlet nozzles (7) are uniformly arranged at the bottom of the gas carrying disc (6), the cigarette outlet nozzles (7) are submerged in liquid in the gas washing tank (3), and the smoke outlet pipe (2) is installed on the upper side of the cigarette outlet nozzles (7).

5. The flue gas desulfurization dust removal spray set of claim 1, characterized in that: the cigarette discharging tray (12) is of a circular structure made of metal materials, a plurality of groups of air outlet nozzles are evenly arranged on the surface of the bottom of the cigarette discharging tray (12), and the cigarette discharging tray (12) is communicated with the air washing groove (3) through a long pipe (13) and a communicating pipe (21).

6. The flue gas desulfurization dust removal spray set of claim 1, characterized in that: the air guide frame (14) is a funnel-shaped structure made of metal materials, and the bottom of the air guide frame (14) covers the smoke outlet disc (12) right above.

7. The flue gas desulfurization dust removal spray set of claim 1, characterized in that: spray mechanism (20) including spray tube I (15), spray tube II (16), spray tube III (17) and spray tube IV (18), and the equal annular of bottom plate of spray tube I (15), spray tube II (16), spray tube III (17) and spray tube IV (18) is provided with sprays mouth (19), and spray tube I (15), spray tube II (16), spray tube III (17) and spray tube IV (18) are the concentric circle structure simultaneously, all install the inlet tube on spray tube I (15), spray tube II (16), spray tube III (17) and the spray tube IV (18).

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