CN213824142U

CN213824142U - Lime wet desulphurization system

Info

Publication number: CN213824142U
Application number: CN202022465609.XU
Authority: CN
Inventors: 李湘
Original assignee: Luoding Jinhong Industrial Co ltd
Current assignee: Luoding Jinhong Industrial Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-07-30
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a lime wet flue gas desulfurization system, the on-line screen storage device comprises a base, upper end one side fixedly connected with agitator tank of base, one side of agitator tank is provided with first retort, one side of first retort is provided with the second retort, be provided with the water pump between agitator tank and the first retort, the first connecting pipe of fixedly connected with between the input of water pump and the agitator tank, the output fixedly connected with feed liquor pipe of water pump, the one end of feed liquor pipe runs through the lateral wall fixedly connected with shower head of first retort, the below of shower head is provided with out the gas ring, a plurality of ventholes have been seted up to the inboard of going out the gas ring. The utility model discloses in, this device lets waste gas through twice reaction, has not only improved desulfurization efficiency, has also increased the utilization ratio of lime mud.

Description

Lime wet desulphurization system

Technical Field

The utility model relates to a desulphurization unit technical field especially relates to a lime wet flue gas desulfurization system.

Background

In a sulfur acid-making system, the generated waste gas contains a large amount of sulfur, in order to enable the sulfur content in the discharged gas to reach the national standard, the desulfurization must be carried out, in the prior art, limestone method desulfurization by wet desulfurization is often adopted, according to the chemical reaction principle, limestone slurry is adopted to carry out contact reaction on SO2, SO3, H2S and the like in the waste gas, in the existing desulfurization system, a spray contact method is mostly adopted, spray lime slurry is contacted with sulfur-containing waste gas, but the desulfurization efficiency of a desulfurization device only using the spray method is low, and the utilization rate of the lime slurry is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a lime wet desulphurization system.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a lime wet desulphurization system comprises a base, wherein one side of the upper end of the base is fixedly connected with a stirring tank, one side of the stirring tank is provided with a first reaction tank, one side of the first reaction tank is provided with a second reaction tank, a water pump is arranged between the stirring tank and the first reaction tank, a first connecting pipe is fixedly connected between the input end of the water pump and the stirring tank, the output end of the water pump is fixedly connected with a liquid inlet pipe, one end of the liquid inlet pipe penetrates through the side wall of the first reaction tank and is fixedly connected with a spray head, a gas outlet ring is arranged below the spray head, the inner side of the gas outlet ring is provided with a plurality of gas outlet holes, one end of the gas outlet ring is fixedly connected with a gas inlet pipe, one end of the gas inlet pipe penetrates through the side wall of the first reaction tank and is connected to the outer side of the first reaction tank, the upper end of the inner part of the first reaction tank is fixedly connected with a gas collecting hood, and the upper end of the gas collecting hood is fixedly connected with a third connecting pipe, one end of the third connecting pipe is connected to the inner bottom end of the second reaction tank, the bottom end of one side of the first reaction tank is fixedly connected with the second connecting pipe, and one end of the second connecting pipe is connected to the inner portion of the second reaction tank.

As a further description of the above technical solution:

the utility model discloses a stirring tank, including agitator tank, first servo motor of upper end fixedly connected with of agitator tank, the upper end fixedly connected with pivot that agitator tank was run through to first servo motor's output, a plurality of puddlers of fixedly connected with in the pivot.

As a further description of the above technical solution:

the inside of first retort is located the position fixedly connected with filter screen of ring below giving vent to anger, the inside wall of first retort is located the first level gauge of position fixedly connected with of filter screen below.

As a further description of the above technical solution:

the inside bottom fixedly connected with support frame of gas collecting channel, the upper end intermediate position fixedly connected with second servo motor of support frame, second servo motor's output fixedly connected with flabellum.

As a further description of the above technical solution:

one side bottom fixedly connected with drain pipe of second retort, on drain pipe and the second connecting pipe respectively fixedly connected with second solenoid valve and first solenoid valve.

As a further description of the above technical solution:

the upper end one side fixedly connected with outlet duct of second retort, the inside wall fixedly connected with second level gauge of second retort, the level of second level gauge is less than the level of second connecting pipe.

The utility model discloses following beneficial effect has:

1. the lime wet desulphurization system comprises a lime wet desulphurization system, a lime slurry pump, a water pump, a gas collecting hood, a third connecting pipe, a filter screen, a gas outlet pipe, a gas inlet pipe, a gas outlet pipe, a gas inlet pipe, a gas outlet pipe, a gas inlet pipe, a gas outlet pipe, a gas inlet pipe, a gas outlet pipe, a gas inlet pipe, a gas outlet pipe, a gas inlet pipe, a gas outlet pipe, a gas inlet pipe, a gas outlet pipe, a gas inlet, a gas outlet pipe, a gas inlet pipe, a gas outlet pipe, a gas inlet pipe, a gas outlet, not only improves the desulfurization efficiency, but also increases the utilization rate of the lime slurry.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a schematic view of the vent ring structure of the present invention;

fig. 3 is the schematic diagram of the internal structure of the gas collecting hood of the present invention.

Illustration of the drawings:

1. a base; 2. a stirring tank; 3. a first connecting pipe; 4. a water pump; 5. a liquid inlet pipe; 6. a filter screen; 7. a first reaction tank; 8. an air outlet ring; 9. a first liquid level meter; 10. an air inlet pipe; 11. a first solenoid valve; 12. a second connecting pipe; 13. a second reaction tank; 14. a second level gauge; 15. a liquid outlet pipe; 16. a second solenoid valve; 17. an air outlet pipe; 18. a third connecting pipe; 19. a shower head; 20. a gas-collecting hood; 21. a first servo motor; 22. a stirring rod; 23. a rotating shaft; 24. an air outlet; 25. a fan blade; 26. a second servo motor; 27. a support frame.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a lime wet desulphurization system comprises a base 1, one side of the upper end of the base 1 is fixedly connected with a stirring tank 2, one side of the stirring tank 2 is provided with a first reaction tank 7, one side of the first reaction tank 7 is provided with a second reaction tank 13, a water pump 4 is arranged between the stirring tank 2 and the first reaction tank 7, a first connecting pipe 3 is fixedly connected between the input end of the water pump 4 and the stirring tank 2, the output end of the water pump 4 is fixedly connected with a liquid inlet pipe 5, one end of the liquid inlet pipe 5 penetrates through the side wall of the first reaction tank 7 and is fixedly connected with a spray head 19, a gas outlet ring 8 is arranged below the spray head 19, the inner side of the gas outlet ring 8 is provided with a plurality of gas outlet holes 24, one end of the gas outlet ring 8 is fixedly connected with a gas inlet pipe 10, one end of the gas inlet pipe 10 penetrates through the side wall of the first reaction tank 7 and is connected to the outer side, the upper end of the inner part of the first reaction tank 7 is fixedly connected with a gas collecting hood 20, a third connecting pipe 18 is fixedly connected to the upper end of the gas collecting channel 20, one end of the third connecting pipe 18 is connected to the inner bottom end of the second reaction tank 13, a second connecting pipe 12 is fixedly connected to the bottom end of one side of the first reaction tank 7, and one end of the second connecting pipe 12 is connected to the inner portion of the second reaction tank 13.

The first servo motor 21 of upper end fixedly connected with of agitator tank 2, the upper end fixedly connected with pivot 23 that agitator tank 2 was run through to the output of first servo motor 21, a plurality of puddlers 22 of fixedly connected with on the pivot 23, and servo motor drives a plurality of puddlers 22 in the pivot 23 and rotates, can stir the lime thick liquid in agitator tank 2, prevents that the lime thick liquid in agitator tank 2 from producing the sediment.

The inside of first retort 7 is located the position fixedly connected with filter screen 6 of gas ring 8 below, the inside wall of first retort 7 is located the first level gauge 9 of position fixedly connected with of filter screen 6 below, filter screen 6 is used for filtering the solid particle in the lime thick liquid after the reaction, when the lime thick liquid in first retort 7 is higher than first level gauge 9, first solenoid valve 11 on the second connecting pipe 12 can be opened, discharge the lime thick liquid in first retort 7 in the second retort 13, when the lime thick liquid in first retort 7 is less than in first level gauge 9, first solenoid valve 11 can be closed, prevent the lime thick liquid in the first retort 7 from discharging in the second retort 13, be used for preventing that the waste gas in the first retort 7 directly enters into in the second retort 13 by second connecting pipe 12.

The inside bottom fixedly connected with support frame 27 of gas collecting channel 20, the upper end intermediate position fixedly connected with second servo motor 26 of support frame 27, the output fixedly connected with flabellum 25 of second servo motor 26, second servo motor 26 drives flabellum 25 and rotates to can be with in the first retort 7 through the waste gas after the spray reaction in the gas collecting channel 20 through the suction of third connecting pipe 18 in second retort 13.

One side bottom fixedly connected with drain pipe 15 of second retort 13, on drain pipe 15 and the second connecting pipe 12 respectively fixedly connected with second solenoid valve 16 and first solenoid valve 11, drain pipe 15 is used for discharging the lime thick liquid in second retort 13, and first solenoid valve 11 and second solenoid valve 16 are used for controlling opening and shutting of second connecting pipe 12 and drain pipe 15 respectively.

The upper end one side fixedly connected with outlet duct 17 of second retort 13, the inside wall fixedly connected with second level gauge 14 of second retort 13, the level of second level gauge 14 is less than the level of second connecting pipe 12, outlet duct 17 is used for discharging the waste gas after the desulfurization, the height of lime thick liquid in second retort 13 is used for controlling to second level gauge 14 that sets up, when lime thick liquid highly surpasses second level gauge 14 in second retort 13, second solenoid valve 16 opens, lime thick liquid is discharged by drain pipe 15, when lime thick liquid highly is less than second level gauge 14 in second retort 13, second solenoid valve 16 is closed, prevent lime thick liquid from being discharged by drain pipe 15.

The working principle is as follows: waste gas is introduced into the gas outlet ring 8 through the gas inlet pipe 10 and then is released into the first reaction tank 7 through a plurality of gas outlet holes 24 formed in the inner side of the gas outlet ring 8, the waste gas can be dispersed and released, the servo motor drives a plurality of stirring rods 22 on the rotating shaft 23 to rotate, lime slurry in the stirring tank 2 can be stirred, the lime slurry in the stirring tank 2 is prevented from precipitating, the lime slurry is pumped into the spray header 19 from the stirring tank 2 through the first connecting pipe 3 and the liquid inlet pipe 5 by the water pump 4 and is finally sprayed into the first reaction tank 7 through the spray header 19, at the moment, the sprayed lime slurry and the dispersed and released waste gas are contacted and subjected to gas inlet reaction, the waste gas is subjected to first desulfurization, the waste gas is subjected to spray reaction, the second servo motor 26 drives the fan blades 25 to rotate, and therefore the waste gas subjected to spray reaction in the first reaction tank 7 is pumped into the second reaction tank 13 through the third connecting pipe 18 by the gas collecting cover 20, after the lime slurry is sprayed, the lime slurry enters the second reaction tank 13 through the second connecting pipe 12 after being filtered by the filter screen 6, at the moment, waste gas is directly introduced into the lime slurry to react with the lime slurry, finally, the waste gas is discharged through the gas outlet pipe 17, and the lime slurry is discharged through the liquid outlet pipe 15.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a lime wet flue gas desulfurization system, includes base (1), its characterized in that: the device is characterized in that a stirring tank (2) is fixedly connected to one side of the upper end of the base (1), a first reaction tank (7) is arranged on one side of the stirring tank (2), a second reaction tank (13) is arranged on one side of the first reaction tank (7), a water pump (4) is arranged between the stirring tank (2) and the first reaction tank (7), a first connecting pipe (3) is fixedly connected between the input end of the water pump (4) and the stirring tank (2), a liquid inlet pipe (5) is fixedly connected to the output end of the water pump (4), a spray head (19) is fixedly connected to the side wall of the first reaction tank (7) and penetrates through one end of the liquid inlet pipe (5), a gas outlet ring (8) is arranged below the spray head (19), a plurality of gas outlet holes (24) are formed in the inner side of the gas outlet ring (8), and a gas inlet pipe (10) is fixedly connected to one end of the gas outlet ring (8), the one end of intake pipe (10) runs through the lateral wall of first retort (7) and is connected to its outside, the inside upper end fixedly connected with gas collecting channel (20) of first retort (7), the upper end fixedly connected with third connecting pipe (18) of gas collecting channel (20), the one end of third connecting pipe (18) is connected to the inside bottom of second retort (13), one side bottom fixedly connected with second connecting pipe (12) of first retort (7), the one end of second connecting pipe (12) is connected to the inside of second retort (13).

2. The lime wet desulphurization system according to claim 1, wherein: the utility model discloses a stirring tank, including agitator tank (2), the first servo motor of upper end fixedly connected with (21) of agitator tank (2), the upper end fixedly connected with pivot (23) of agitator tank (2) are run through to the output of first servo motor (21), a plurality of puddlers of fixedly connected with (22) are gone up in pivot (23).

3. The lime wet desulphurization system according to claim 1, wherein: the inside of first retort (7) is located the position fixedly connected with filter screen (6) of gas ring (8) below, the inside wall of first retort (7) is located first level gauge (9) of position fixedly connected with of filter screen (6) below.

4. The lime wet desulphurization system according to claim 1, wherein: the inside bottom fixedly connected with support frame (27) of gas collecting channel (20), the upper end intermediate position fixedly connected with second servo motor (26) of support frame (27), the output fixedly connected with flabellum (25) of second servo motor (26).

5. The lime wet desulphurization system according to claim 1, wherein: one side bottom fixedly connected with drain pipe (15) of second retort (13), on drain pipe (15) and second connecting pipe (12) respectively fixedly connected with second solenoid valve (16) and first solenoid valve (11).

6. The lime wet desulphurization system according to claim 1, wherein: the upper end one side fixedly connected with outlet duct (17) of second retort (13), the inside wall fixedly connected with second level gauge (14) of second retort (13), the level of second level gauge (14) is less than the level of second connecting pipe (12).