CN211562494U

CN211562494U - Novel flue gas desulfurization discharges integration equipment

Info

Publication number: CN211562494U
Application number: CN201921983387.1U
Authority: CN
Inventors: 田耀刚
Original assignee: Beijing Peony Friends Union Environmental Protection Technology Co ltd
Current assignee: Beijing Peony Friends Union Environmental Protection Technology Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-09-25
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses a novel integrated equipment for flue gas desulfurization and emission, which comprises a box body, a demister is arranged above the inner cavity of the box body, a spray layer is symmetrically arranged below the demister, an absorption area is arranged below the spray layer, a slurry pool is arranged at the bottom of the inner cavity of the box body, a circulating pump is symmetrically and fixedly connected at the top of a supporting plate, the output end and the input end of the circulating pump are communicated with a spray pipe, the other end of the spray pipe penetrates through the surface of the box body and is communicated with the slurry pool, a stirrer is symmetrically arranged below the surface of the box body, an oxidized air pipe is arranged above the stirrer, the utility model relates to the technical field of flue gas desulfurization and emission, the flue gas can be uniformly sprayed, harmful gas is filtered, tiny particles in the flue gas are filtered and absorbed, the flue gas can be evolved into harmless gas, and the desulfurization rate of the flue gas is improved in, and the circulating pump and the slurry tank realize infinite circulation, thereby reducing the waste of the slurry tank.

Description

Novel flue gas desulfurization discharges integration equipment

Technical Field

The utility model relates to a flue gas desulfurization discharges technical field, specifically is a novel flue gas desulfurization discharges integration equipment.

Background

Flue gas generally refers to a mixture of gas and smoke dust, a large amount of flue gas is generated during operation of chemical equipment such as boilers, industrial furnaces, thermal power plants, coke ovens, cement plants, blast furnaces, open furnaces, converters, electric furnaces, catalytic cracking (FCC) devices and the like, a large amount of air pollutants such as sulfur oxides, nitrogen oxides and the like contained in the flue gas bring a series of environmental problems, reduction of emission of the air pollutants containing the sulfur oxides, the nitrogen oxides and the like is a first priority for environmental protection, and flue gas desulfurization refers to removal of the sulfur oxides from flue gas or other industrial waste gas generated during combustion of fossil fuels such as coal and the like, and is the most effective and main technical means for controlling pollution of acid rain and sulfur dioxide.

But traditional flue gas desulphurization unit is not very ideal to flue gas desulphurization's effect, and traditional flue gas desulphurization unit only carries out simple filtration and sprays to the flue gas, and the existence gets rid of oxysulfide inefficiency and can't equally divide to go to spray to and the doped tiny granule can't clear away in the flue gas, lead to discharging out the gas that comes and can influence peripheral air quality.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a novel flue gas desulfurization discharges integration equipment has solved and has got rid of oxysulfide inefficiency and can't equally divide and go to spray to and the slight granule of doping can't clear away in the flue gas, lead to discharging out the gas can influence the problem of peripheral air quality.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a novel flue gas desulfurization and emission integrated device comprises a box body, wherein a smoke outlet is formed in the top of the box body, a smoke inlet is formed in one side of the box body, a demister is arranged above an inner cavity of the box body, spray layers are symmetrically arranged below the demister, an absorption zone is arranged below the spray layers, baffles are symmetrically and fixedly connected to two sides of the bottom of the absorption zone, a slurry pool is formed in the bottom of the inner cavity of the box body, a supporting plate is fixedly connected to one side of the box body, a circulating pump is symmetrically and fixedly connected to the top of the supporting plate, an output end and an input end of the circulating pump are communicated with spray pipes, one end of each spray pipe penetrates through the surface of the box body and extends into the inner cavity of the box body, the other end of each spray pipe penetrates through the surface of the box body and is communicated with the slurry pool, stirrers are symmetrically arranged below the surface of, the surface of box is run through to the one end of agitator and extends the below of thick liquid pond inner chamber, the centre of agitator is provided with the delivery port, the agitator top all is provided with the oxidation air pipe, the one end of oxidation air pipe runs through the surface of box and extends in the inner chamber of thick liquid pond.

Preferably, the shower is multilayer structure, the output of shower is equallyd divide and is run through the surface of box and extend the top and the centre of box inner chamber respectively.

Preferably, both sides of the demister are symmetrically provided with a plurality of cleaning pipes.

Preferably, the output ends of the spraying pipes are fixedly provided with silicon carbide nozzles, and the silicon carbide nozzles are a plurality of and are all members with the same size.

Preferably, the number of the stirrers is four.

Preferably, the number of the circulating pumps is four, and all the circulating pumps are members with the same size.

Preferably, the oxidation air pipe is a plurality of connecting pipe components, and a plurality of air holes are symmetrically formed in the surface of each connecting pipe.

Advantageous effects

The utility model provides a novel flue gas desulfurization discharges integration equipment. Compared with the prior art, the method has the following beneficial effects:

1. this neotype flue gas desulfurization discharges integration equipment through the carborundum nozzle, spray the layer and absorb the district come to carry out even spraying to the flue gas, and harmful gas's filtration to and filter and absorb small granule in the flue gas, and the defroster can make flue gas evolution become harmless gas, the limited desulfurization rate that has improved the flue gas.

2. This novel flue gas desulfurization discharges integration equipment, one side fixedly connected with layer board of box, the equal symmetry fixedly connected with circulating pump in top of layer board, the output and the input of circulating pump all communicate there is the shower, the one end of shower runs through the surface of box to in extending the inner chamber of box, the other end of shower runs through the surface of box, and with the thick liquid pond intercommunication, realize unlimited circulation through circulating pump and thick liquid pond, reduced the waste in thick liquid pond.

Drawings

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

FIG. 2 is a schematic view of the demister of the present invention;

FIG. 3 is a structural diagram of a silicon carbide nozzle according to the present invention;

fig. 4 is a schematic view of the structural absorption region of the present invention.

In the figure: 1. a box body; 2. a smoke outlet; 3. a demister; 4. a spray layer; 5. an absorption zone; 6. a shower pipe; 7. a smoke inlet; 8. a slurry tank; 9. a circulation pump; 10. oxidizing an air pipe; 11. a support plate; 12. A stirrer; 13. a water outlet; 14. a baffle plate; 15. cleaning the tube; 16. a silicon carbide nozzle.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a novel flue gas desulfurization and emission integrated device comprises a box body 1, a smoke outlet 2 is arranged at the top of the box body 1, a smoke inlet 7 is arranged at one side of the box body 1, a demister 3 is arranged above the inner cavity of the box body 1, a spray layer 4 is symmetrically arranged below the demister 3, an absorption zone 5 is arranged below the spray layer 4, baffles 14 are symmetrically and fixedly connected to two sides of the bottom of the absorption zone 5, a slurry pool 8 is arranged at the bottom of the inner cavity of the box body 1, a supporting plate 11 is fixedly connected to one side of the box body 1, a circulating pump 9 is symmetrically and fixedly connected to the top of the supporting plate 11, an output end and an input end of the circulating pump 9 are communicated with a spray pipe 6, one end of the spray pipe 6 penetrates through the surface of the box body 1 and extends into the inner cavity of the box body 1, the other end of the spray pipe 6 penetrates through the surface of the box body 1 and is communicated with, one end of a stirrer 12 penetrates through the surface of the box body 1 and extends to the lower part of the inner cavity of the slurry pool 8, a water outlet 13 is arranged in the middle of the stirrer 12, oxidized air pipes 10 are arranged above the stirrer 12, one ends of the oxidized air pipes 10 penetrate through the surface of the box body 1 and extend into the inner cavity of the slurry pool 8, the spray pipes 6 are of a multilayer structure, the output ends of the spray pipes 6 uniformly penetrate through the surface of the box body 1 and extend to the upper part and the middle part of the inner cavity of the box body 1, cleaning pipes 15 are symmetrically arranged on two sides of the demister 3, the number of the cleaning pipes 15 is a plurality of, the demister 3 is a component formed by a plurality of S-shaped single sheets, the S-shaped single sheets of the demister 3 are assemblies with the same size, silicon carbide nozzles 16 are fixedly arranged at the output ends of the spray pipes 6, the number of the silicon carbide nozzles 16 is a plurality of components with the, the number of the circulating pumps 9 is four, the circulating pumps are all members with the same size, the oxidation air pipes 10 are all a plurality of connecting pipe members, the surfaces of the connecting pipes are symmetrically provided with a plurality of air vents, and the mist eliminator 3 is characterized in that when gas containing mist flows through the mist eliminator at a certain speed, due to the inertial impact effect of the gas, the mist is collided with the corrugated plate, the gathered liquid drops are large, and when the gravity generated by the mist drops exceeds the resultant force of the rising force of the gas and the surface tension of the liquid, the liquid drops are separated from the surface of the corrugated plate. The multi-fold structure of the demister corrugated plate increases the opportunity of mist foam capture, the unremoved mist foam is captured by the same action at the next turning, the circulating pump 9 is a circulating liquid pump for conveying reaction, absorption, separation and absorption liquid regeneration, the model of the circulating pump 9 is RS25/8, the stirrer 12 is a device for forcing convection and uniform mixing of liquid and gas media, the model of the stirrer 12 is M14-2, the silicon carbide nozzle 16 is also called a vacuum reaction sintering silicon carbide desulfurization nozzle, is a key part of a thermal power plant, a large boiler and a complete set of desulfurization and dust removal equipment, simultaneously has excellent performances of high strength, high hardness, strong corrosion resistance, severe abrasion resistance, high temperature resistance and the like, has an overlong service life under severe conditions, the silicon carbide nozzle 16 is the most distinctive one of a plurality of nozzles, and is a spiral body which becomes smaller along with continuous, the slurry is continuously tangent by a spiral line and changes direction after collision to form a sheet-shaped spray to form a concentric shaft-shaped cone, the liquid is not blocked in a channel from a cavity of the spray nozzle to an outlet and still has high absorption efficiency under very low operating pressure, the model of the silicon carbide spray nozzle 16 is 06414DL4, a spray system in a spray layer 4 consists of a distribution main pipe/branch pipe and a spray nozzle, the spray pipeline is made of FRP (fiber reinforced plastics), all layers of the spray area are arranged in a staggered angle mode, the spray layers are mutually overlapped in the radial direction to ensure that the spray pipeline is fully covered on the cross section, a flue gas desulfurization discharge device needs to firstly stir lime and the liquid in the inner cavity of a slurry pool 8 in use and then stir the lime and the liquid through a stirrer 12, then transmit air to the liquid through an air oxidation air pipe 10 to generate novel lime slurry, and the gas contact of sulfur dioxide in the flue gas, and forming calcium sulfite to realize the emission of flue gas desulfurization.

When the device is used, when flue gas enters from a flue gas inlet 7 on the surface of the box body 1, the stirrer 12 and the circulating pump 9 are started, slurry in the slurry pool 8 enters the spraying pipe 6 through the circulating pump 9, the slurry and the flue gas entering the tower from top to bottom are fully sprayed through the silicon carbide nozzle 16, the flue gas and the slurry react in the contact process, the flue gas is adsorbed by tiny particles through the absorption zone 5, the flue gas is sprayed for the second time again after the absorption zone 5 is carried out, the absorption zone 5 is cleaned, finally the flue gas is further discharged outwards through the flue gas outlet 2 through the demister 3, when the demister 3 is discharged outwards, the cleaning pipe 15 cleans the demister 3, the sprayed slurry falls into the slurry pool at the bottom of the tower, further circulating spraying is carried out, the oxidizing air pipe 10 can carry out oxidation reaction on the slurry in the slurry pool 8, and the slurry is stirred by the stirrer 12, so that the existing precipitate can not be discharged out, the slurry in the inner cavity of the slurry pool 8 can be replaced through the water outlet 13.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel flue gas desulfurization discharges integration equipment, includes box (1), its characterized in that: the top of the box body (1) is provided with a smoke outlet (2), one side of the box body (1) is provided with a smoke inlet (7), a demister (3) is arranged above the inner cavity of the box body (1), spray layers (4) are symmetrically arranged below the demister (3), an absorption zone (5) is arranged below the spray layers (4), two sides of the bottom of the absorption zone (5) are symmetrically and fixedly connected with baffle plates (14), the bottom of the inner cavity of the box body (1) is provided with a slurry pool (8), one side of the box body (1) is fixedly connected with a supporting plate (11), the top of the supporting plate (11) is symmetrically and fixedly connected with a circulating pump (9), the output end and the input end of the circulating pump (9) are communicated with spray pipes (6), one end of each spray pipe (6) penetrates through the surface of the box body (1) and extends into the inner cavity of the box body (1), the other end of shower (6) runs through the surface of box (1) to communicate with thick liquid pond (8), the equal symmetry in below on box (1) surface is provided with agitator (12), the one end of agitator (12) runs through the surface of box (1) and extends the below of thick liquid pond (8) inner chamber, the centre of agitator (12) is provided with delivery port (13), agitator (12) top all is provided with oxidation air duct (10), the one end of oxidation air duct (10) runs through the surface of box (1) and extends in the inner chamber of thick liquid pond (8).

2. The novel integrated equipment for flue gas desulfurization and emission according to claim 1, characterized in that: shower (6) are multilayer structure, the output of shower (6) is equallyd divide and is run through the surface of box (1) and extend the top and the middle of box (1) inner chamber respectively.

3. The novel integrated equipment for flue gas desulfurization and emission according to claim 1, characterized in that: the two sides of the demister (3) are symmetrically provided with cleaning pipes (15), and the number of the cleaning pipes (15) is a plurality.

4. The novel integrated equipment for flue gas desulfurization and emission according to claim 1, characterized in that: the output end of the spray pipe (6) is fixedly provided with silicon carbide nozzles (16), and the silicon carbide nozzles (16) are a plurality of and are members with the same size.

5. The novel integrated equipment for flue gas desulfurization and emission according to claim 1, characterized in that: the number of the stirrers (12) is four.

6. The novel integrated equipment for flue gas desulfurization and emission according to claim 1, characterized in that: the number of the circulating pumps (9) is four, and the circulating pumps are all members with the same size.

7. The novel integrated equipment for flue gas desulfurization and emission according to claim 1, characterized in that: the oxidation air pipes (10) are all a plurality of connecting pipe components, and the surfaces of the connecting pipes are symmetrically provided with a plurality of air holes.