CN212999257U

CN212999257U - Flue gas desulfurization and denitrification equipment

Info

Publication number: CN212999257U
Application number: CN202021052094.4U
Authority: CN
Inventors: 苏舜峰; 林渊标
Original assignee: Guizhou Xinhanlan Environmental Protection Technology Co Ltd
Current assignee: Guizhou Xinhanlan Environmental Protection Technology Co Ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-04-20
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a flue gas desulfurization and denitration equipment, including electrostatic precipitator and retort, be equipped with the intake pipe on the electrostatic precipitator, be equipped with the air-supply line in the intake pipe, be equipped with the blast pipe I rather than the intercommunication on the electrostatic precipitator, the intercommunication has the cooling tank on the blast pipe I, the cooling tank passes through blast pipe two and retort intercommunication, be equipped with electron beam generator on the retort, the retort upper end is equipped with the inlet tube, be equipped with the solenoid valve on the inlet tube, retort one side upper end is equipped with the ammonia intake pipe rather than the intercommunication, be equipped with check valve I in the ammonia intake pipe, the retort lower extreme is equipped with the discharging pipe, be equipped with the bleeder valve on the discharging pipe, retort one side lower extreme is equipped with three the blast pipe rather than the intercommunication, the intercommunication has the activated carbon. The utility model has the advantages that: the treatment process is simple, the desulfurization and denitrification efficiency is high, and a benefit product can be generated.

Description

Flue gas desulfurization and denitrification equipment

Technical Field

The utility model relates to a flue gas desulfurization denitration technology field specifically indicates a flue gas desulfurization denitration device.

Background

The flue gas desulfurization and denitration technology is a boiler flue gas purification technology applied to the chemical industry of generating multi-nitrogen oxides and sulfur oxides. Nitrogen oxides and sulfur oxides are one of the main sources of air pollution, so the application of the technology has great benefits for purifying the ambient air.

However, the existing desulfurization and denitrification equipment can not meet the current standard, and the emission concentration of the flue gas pollutants can not be effectively controlled, so that the effective sustainable treatment is difficult to carry out. The denitration and desulfurization method aims at solving the problems that the treatment process of the existing equipment is complex, the denitration and desulfurization efficiency is low, and the treatment cost is too high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is, to the above-mentioned problem, provide a flue gas desulfurization denitration device that processing technology is simple, SOx/NOx control is efficient, can produce the benefit result.

In order to solve the technical problem, the utility model provides a technical scheme does: a flue gas desulfurization and denitrification device comprises an electric dust remover and a reaction tank, wherein an air inlet pipe is arranged on the electric dust remover, the air inlet pipe is provided with an air inlet machine, the electric dust collector is provided with a first air supply pipe communicated with the electric dust collector, the first air supply pipe is communicated with a cooling tank which is communicated with the reaction tank through a second air supply pipe, the reaction tank is provided with an electron beam generator, the upper end of the reaction tank is provided with a water inlet pipe, the water inlet pipe is provided with an electromagnetic valve, an ammonia gas inlet pipe communicated with the reaction tank is arranged at the upper end of one side of the reaction tank, a one-way valve I is arranged on the ammonia gas inlet pipe, a discharge pipe is arranged at the lower end of the reaction tank, a discharge valve is arranged on the discharge pipe, a third air supply pipe communicated with the reaction tank is arranged at the lower end of one side of the reaction tank, and the third air supply pipe is communicated with an activated carbon box, the activated carbon box is provided with an exhaust pipe, and the exhaust pipe is provided with an exhaust valve.

Compared with the prior art, the utility model the advantage lie in: this flue gas desulfurization denitration device, electrostatic precipitator removes dust to the flue gas and handles, the flue gas after the processing is sent to the cooling tank through the blast pipe one and is cooled off, the flue gas after the cooling is sent to the retort through blast pipe two, add soft water and ammonia in to the retort, under electron beam generator's effect, produce the mixed powder of ammonium sulfate and ammonium nitrate, mixed powder is through the discharging pipe ejection of compact, the surplus gas is discharged after the processing of activated carbon box, make this flue gas desulfurization denitration device not only can produce this kind of benefit product of ammonium sulfate and ammonium nitrate, can realize the SOx/NOx control more than 90% simultaneously.

As an improvement, an atomizer is arranged at the joint of the water inlet pipe and the reaction tank, and the atomizer enables water, flue gas and ammonia gas to be fully mixed.

As an improvement, a one-way valve II is arranged on the air supply pipe I to avoid smoke backflow.

As an improvement, the second air supply pipe is provided with a third one-way valve to avoid smoke backflow.

As an improvement, a booster fan I is arranged on the air supply pipe II, and the flue gas conveying effect is guaranteed.

As an improvement, a booster fan II is arranged on the air supply pipe III, and the air supply effect is guaranteed.

As an improvement, the two electron beam generators are symmetrically distributed on the reaction tank, so that the treatment effect on the flue gas is ensured.

Drawings

FIG. 1 is a schematic structural diagram of a flue gas desulfurization and denitrification apparatus.

Description of the drawings: 1. the device comprises an electric dust collector, 2, a reaction tank, 3, an air inlet pipe, 4, an air inlet machine, 5, a first air inlet pipe, 6, a cooling tank, 7, a second air inlet pipe, 8, an electron beam generator, 9, an water inlet pipe, 10, an electromagnetic valve, 11, an ammonia air inlet pipe, 12, a first check valve, 13, a discharge pipe, 14, a discharge valve, 15, a third air inlet pipe, 16, an activated carbon box, 17, an exhaust pipe, 18, an exhaust valve, 19, an atomizer, 20, a second check valve, 21, a third check valve, 22, a first booster fan, 23 and a second booster fan.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With the attached drawing, a flue gas desulfurization and denitration device comprises an electric dust collector 1 and a reaction tank 2, wherein an air inlet pipe 3 is arranged on the electric dust collector 1, an air inlet machine 4 is arranged on the air inlet pipe 3, a first air supply pipe 5 communicated with the electric dust collector 1 is arranged on the electric dust collector 1, a cooling tank 6 is communicated with the first air supply pipe 5, the cooling tank 6 is communicated with the reaction tank 2 through a second air supply pipe 7, an electron beam generator 8 is arranged on the reaction tank 2, an inlet pipe 9 is arranged at the upper end of the reaction tank 2, an electromagnetic valve 10 is arranged on the inlet pipe 9, an ammonia air inlet pipe 11 communicated with the reaction tank 2 is arranged at the upper end of one side of the reaction tank 2, a first check valve 12 is arranged on the ammonia inlet pipe 11, a discharge pipe 13 is arranged at the lower end of the reaction tank 2, a discharge valve 14 is arranged on the discharge pipe 13, a third air supply, an exhaust pipe 17 is arranged on the activated carbon box 16, and an exhaust valve 18 is arranged on the exhaust pipe 17.

And an atomizer 19 is arranged at the joint of the water inlet pipe 9 and the reaction tank 2.

And a second check valve 20 is arranged on the first air supply pipe 5.

And a check valve III 21 is arranged on the air supply pipe II 7.

And a first booster fan 22 is arranged on the second air supply pipe 7.

And a second booster fan 23 is arranged on the third air supply pipe 15.

The number of the electron beam generators 8 is two, and the two electron beam generators 8 are symmetrically distributed on the reaction tank 2.

The utility model discloses a theory of operation: when the flue gas desulfurization and denitration equipment is used, under the action of the air inlet machine, flue gas enters the electric dust remover through the air inlet pipe, the electric dust remover removes dust from the flue gas, and the treated flue gas is conveyed to the cooling tank through the air supply pipe for cooling. And the cooled flue gas is fed to the reaction tank through the air feed pipe II under the action of the booster fan I. Adding soft materials into the reaction tank through a water inlet pipe and an ammonia gas inlet pipeWater and ammonia gas, under the action of the electron beam generator, the flue gas presents a non-equilibrium plasma state under the irradiation of the electron beam generator, and H in the flue gas₂O and O₂Is cracked into peroxides HO, HO₂And reactive radicals in atomic form O, SO₂And NO_XUnder the action of the free radicals, the ammonium sulfate and the ammonium nitrate are oxidized in a very short time and generate intermediate products of sulfuric acid and nitric acid with water, and the sulfuric acid and the nitric acid are subjected to a neutralization reaction with ammonia to generate mixed powder of the ammonium sulfate and the ammonium nitrate. The mixed powder is discharged through a discharge pipe, and the residual gas is discharged after being treated by an activated carbon box.

The present invention has been described in connection with the embodiments thereof, and the description is not intended to be limiting, and the embodiments of the present invention are shown in the drawings, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a flue gas desulfurization denitration device, includes electrostatic precipitator (1) and retort (2), its characterized in that: be equipped with intake pipe (3) on electrostatic precipitator (1), be equipped with air-supply line (4) on intake pipe (3), be equipped with on electrostatic precipitator (1) with the blast pipe (5) of rather than the intercommunication, the intercommunication has cooling tank (6) on blast pipe (5), cooling tank (6) are through blast pipe two (7) and retort (2) intercommunication, be equipped with electron beam generator (8) on retort (2), retort (2) upper end is equipped with inlet tube (9), be equipped with solenoid valve (10) on inlet tube (9), retort (2) one side upper end is equipped with ammonia intake pipe (11) rather than the intercommunication, be equipped with check valve one (12) on ammonia intake pipe (11), retort (2) lower extreme is equipped with discharging pipe (13), be equipped with bleeder valve (14) on discharging pipe (13), retort (2) one side lower extreme is equipped with blast pipe three (15) rather than the intercommunication, and the air supply pipe III (15) is communicated with an activated carbon box (16), an exhaust pipe (17) is arranged on the activated carbon box (16), and an exhaust valve (18) is arranged on the exhaust pipe (17).

2. The flue gas desulfurization and denitrification apparatus according to claim 1, wherein: and an atomizer (19) is arranged at the joint of the water inlet pipe (9) and the reaction tank (2).

3. The flue gas desulfurization and denitrification apparatus according to claim 1, wherein: and a one-way valve II (20) is arranged on the air supply pipe I (5).

4. The flue gas desulfurization and denitrification apparatus according to claim 1, wherein: and a check valve III (21) is arranged on the air supply pipe II (7).

5. The flue gas desulfurization and denitrification apparatus according to claim 1, wherein: and a first booster fan (22) is arranged on the second air supply pipe (7).

6. The flue gas desulfurization and denitrification apparatus according to claim 1, wherein: and a second booster fan (23) is arranged on the third air supply pipe (15).

7. The flue gas desulfurization and denitrification apparatus according to claim 1, wherein: the number of the electron beam generators (8) is two, and the two electron beam generators (8) are symmetrically distributed on the reaction tank (2).