CN210786843U - Water washing and dust removal device in cooperation with sintering flue gas desulfurization tower - Google Patents
Water washing and dust removal device in cooperation with sintering flue gas desulfurization tower Download PDFInfo
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- CN210786843U CN210786843U CN201921287362.8U CN201921287362U CN210786843U CN 210786843 U CN210786843 U CN 210786843U CN 201921287362 U CN201921287362 U CN 201921287362U CN 210786843 U CN210786843 U CN 210786843U
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Abstract
The utility model discloses a water washing and dust removing device in a sintering flue gas desulfurization tower, which comprises a desulfurization tower, a cooling tower and a sedimentation tank, wherein a slurry spraying device and a liquid collector are arranged in the desulfurization tower, the device comprises a sieve plate, a dust removal spraying device and a demister, wherein a slurry pool is arranged at the bottom of the desulfurization tower, a flue gas inlet is formed in the side wall of the slurry pool, a flue gas outlet is formed in the top end of the desulfurization tower, the slurry spraying device is arranged above the flue gas inlet, a liquid collector is arranged above the slurry spraying device, the sieve plate is arranged above the liquid collector, the dust removal spraying device is arranged above the sieve plate, the demister is arranged above the dust removal spraying device, the bottom of a cooling tower is communicated with a sedimentation tank, a circulating water pump of the sedimentation tank is connected, the circulating water pump is connected with the dust removal spraying device, the bottom of the sedimentation tank is communicated with a sludge pool, the upper part of the cooling tower is; the utility model discloses can increase flue gas and liquid drop area of contact, improve chemical reaction rate, realize the ultralow emission of sintering flue gas.
Description
Technical Field
The utility model relates to a flue gas environmental protection clarification plant technical field especially relates to a washing is dust collector in coordination in sintering flue gas desulfurization tower.
Background
Nitrogen oxides (NOx), Particulate Matters (PM) and sulfur dioxide (SO) discharged by steel industry2) Various pollutants such as Volatile Organic Compounds (VOCs), heavy metals and the like are important causes of air pollution, and are more than the main air pollutant emission sources of the electric power industry. The promotion of the implementation of ultra-low pollutant emission in the steel industry has become a national great demand, and is written into government work reports in 2018 and 2019. 28.4.2019, five committees jointly issued an opinion on the promotion of ultra-low emissions in the iron and steel industry (Ring atmosphere [2019 ]]No. 35), emission standard NOx<50mg/m3、SO2<35mg/m3、PM<10mg/m3. The sintering flue gas has the problems of large working condition fluctuation, complex components, large temperature fluctuation, high dust content and the like, and aims to realize that PM particles are less than 10mg/m3Ultra-low emission abatement presents new challenges and the conventional production processes of the prior art are no longer applicable.
In the prior art, after the sintering flue gas is subjected to bag-type dust removal, the dust content of the sintering flue gas is about 200mg/m3After further synergistic dust removal by the desulfurizing tower, the dust content can only be reduced to 70mg/m3On the left and right sides, this has caused great difficulty for follow-up wet-type static degree of depth desorption PM2.5 etc. fine particle, can not realize final sintering flue gas minimum discharge and administer. Therefore, the development of a device for efficiently desulfurizing and dedusting the sintering flue gas in a coordinated manner is very urgent and necessary.
SUMMERY OF THE UTILITY MODEL
The utility model discloses be exactly for solving the problem that the fine particulate matter of sintering flue gas that prior art exists can not ultralow emission, provide a dust collector in coordination with washing in sintering flue gas desulfurization tower. The utility model discloses a synergistic dust collector passes through washing coprocessing in the tower, and fine dust is condensed by liquid trap and sieve, and the washing effect is obvious, and the flue gas that discharges out is favorable to wet electrostatic precipitator's further processing, has avoided because of the higher influence to wet electrostatic precipitator after of sintering flue gas dust content, can realize the ultralow emission of sintering flue gas and administer better.
The utility model provides a technical scheme is:
a water washing and dust removal device in cooperation with sintering flue gas desulfurization comprises a desulfurization tower, a cooling tower and a settling tank, wherein a slurry spray device, a liquid collector, a sieve plate, a dust removal spray device and a demister are arranged in the desulfurization tower, a slurry tank is arranged at the bottom of the desulfurization tower, a flue gas inlet is formed in the side wall of the upper portion of the slurry tank, a flue gas outlet is formed in the top end of the desulfurization tower, the slurry spray device is arranged above the flue gas inlet, the liquid collector is arranged above the slurry spray device, the sieve plate is arranged above the liquid collector, the dust removal spray device is arranged above the sieve plate, the demister is arranged above the dust removal spray device, the bottom of the cooling tower is communicated with a liquid inlet of the settling tank through a pipeline, the settling tank is connected with a liquid inlet of a circulating water pump through a pipeline, a liquid outlet of the circulating water pump is connected with a liquid inlet of the, the liquid inlet of the slurry circulating pump is connected with the slurry pool through a pipeline, and the liquid outlet of the slurry circulating pump is connected with the pipeline of the slurry spraying layer through a pipeline.
The cooling tower is arranged outside the desulfurizing tower, and when the collected liquid water in the return pipe passes through the cooling tower, the cooling tower carries out cooling treatment on the collected liquid water; the sedimentation tank is arranged beside the cooling tower, and when the collected liquid water passes through the cooling tower and then enters the sedimentation tank, the sedimentation tank carries out sedimentation treatment on the collected liquid water.
The slurry spraying device comprises a plurality of slurry spraying layers which are arranged up and down, and each slurry spraying layer is respectively connected with a respective slurry circulating pump through a pipeline; each layer of slurry spraying layer comprises a spraying glass pipeline and silicon carbide atomizing nozzles arranged at intervals along the length direction of the spraying glass pipeline, and the nozzles spray and wash the flue gas.
The stirrer is fixed on the tower wall of the desulfurizing tower, and the rotating shaft is arranged in a downward inclined manner from outside to inside; the slurry pool tower wall is provided with an opening, the opening is connected with an oxidizing air inlet pipeline, and the air inlet pipeline is connected with an air source.
The liquid collector is made of 316L stainless steel and is arranged in the desulfurizing tower through an annular supporting plate and a supporting beam; the liquid collector comprises a plurality of air lifting caps, a bottom plate and a return pipe; be equipped with the backward flow hole on the bottom plate, with the gas lift hole that the gas lift cap position corresponds and connect, the backward flow hole cooperates with the back flow, a plurality of gas lift caps pass through welding mode interval equipartition and set up on the bottom plate, and the trompil size of gas lift cap bottom designs according to the flue gas velocity of flow, the back flow passes through the backward flow hole and sets up in the bottom plate lower part, and the liquid collecting water is drawn forth to the sedimentation tank through the back flow through the cooling tower.
The sieve is 2205 stainless steel sheet bending structure, the sieve includes peripheral perpendicular kink, the horizontal kink in the middle of peripheral, through perpendicular kink and tower body internal connection, wherein the horizontal kink evenly is equipped with the slotted hole. Liquid holding layer is formed on the upper portion of the sieve plate under the action of spray water, and when the smoke entering from the smoke inlet passes through the sieve plate, the sieve plate is used for treating particulate matters such as PM10 and aerosol in the smoke entering from the smoke inlet.
The dust removal spraying device comprises a single-layer spraying pipeline formed by PP material pipes and a nozzle in a mirror symmetry circular arrangement mode.
The demister adopts a multistage demister structure which is arranged from top to bottom, and the demister adopts a high-efficiency demister made of PP materials.
The demister is connected with a flushing water pipe, and a nozzle is arranged on the flushing water pipe. The inner wall of the demister is regularly washed by the washing water pipe and the nozzles arranged from top to bottom, so that the scaling inside the high-efficiency multi-pipe demister can be effectively prevented, and the dust removal and demisting efficiency is improved.
And the inner surfaces of the inner wall of the desulfurizing tower, the flue gas inlet and the flue gas outlet are all provided with glass flakes for preventing corrosion.
The technical effects of the utility model reside in that:
1. the utility model discloses a device that dust removal is in coordination washed in sintering flue gas tower, through washing in the tower in coordination, fine dust is condensed by liquid trap and sieve, flue gas and liquid drop area of contact have been increased, chemical reaction rate is improved, fine dust is condensed by liquid trap and sieve, the washing effect is obvious, the flue gas that discharges out is favorable to wet electrostatic precipitator's further processing, the higher influence to wet electrostatic precipitator afterwards because of sintering flue gas dust content has been avoided, can reliably get rid of sulfur dioxide step by step high-efficiently, PM10, aerosol, particulate matter such as droplet that PM2.5 and flue gas carried, can realize the ultralow emission of sintering flue gas and administer better.
2. The utility model discloses a sintering flue gas carries fine droplet and gets into the desulfurizing tower through multilayer thick liquid spray set from bottom to top, and sulfur dioxide in the flue gas is atomized and sprays the liquid absorption, and PM10 dust particulate matter is atomized and sprays the liquid washing, gets rid of, and the washing effect is obvious, and the washing efficiency is high.
3. The utility model discloses the flue gas is through the liquid trap, and the liquid trap has slowed down the velocity of flow of flue gas effectively, and under the effect of rising the gas cap, the ascending direction of flue gas has been changed simultaneously, has strengthened the washing effect of fine particulate matter in the flue gas, has improved washing effect efficiency.
4. The utility model discloses a flue gas after being purified once more continues to rise to the sieve, and sieve upper portion has formed the one deck under dust removal spray set's effect and has held the liquid layer, and the flue gas has increased gas-liquid double-phase contact probability and area when this holds the liquid layer, has strengthened the chemical mass transfer effect, has improved SO3The removal efficiency and effect of acid gas, PM2.5, and other particulate matters.
5. The utility model discloses a flue gas continues to upwards circulate and reachs high-efficient defroster subassembly, the flue gas is in the defroster, through multistage defogging, the flue gas is quick, the direction of motion changes in succession, because of centrifugal force and inertia effect, the droplet in the flue gas is struck to be got off by the entrapment on the defroster blade, the droplet collects and forms rivers, because of the effect of gravity, whereabouts to sieve plate layer, finally whereabouts to liquid collector layer, flow back to the sedimentation tank through the back flow, gas-liquid separation has been realized, the purification effect has been played, dust removal defogging efficiency has been improved.
6. For preventing the inside scale deposit of high-efficient multicell defroster, top-down has set up a wash pipe who is equipped with the nozzle, regularly washes the inner wall, has guaranteed the defogging effect of defroster, improves the efficiency of defogging.
7. The stirrer is arranged at the bottom of the slurry pool and comprises a stirring impeller positioned inside the desulfurization tower, a rotating shaft connected with the stirring impeller and a driving motor arranged outside the desulfurization tower and connected with the rotating shaft, the stirrer is fixed on the tower wall of the desulfurization tower, and the rotating shaft is arranged in a downward inclined manner from outside to inside; the slurry pool tower wall is provided with an opening, the opening is connected with an oxidizing air inlet pipeline, and the air inlet pipeline is connected with an air source. The slurry in the slurry tank can be continuously oxidized to form gypsum, and the gypsum is discharged out of the desulfurizing tower at proper time.
8. The sieve is 2205 stainless steel sheet bending structure, the sieve includes peripheral perpendicular kink, the horizontal kink in the middle of peripheral, through perpendicular kink and tower body internal connection, wherein the horizontal kink evenly is equipped with the slotted hole. Can form a liquid holding layer and strengthen the medium transmission effect.
9. The cooling tower is arranged outside the desulfurizing tower, and when the collected liquid water in the return pipe passes through the cooling tower, the cooling tower carries out cooling treatment on the collected liquid water; the sedimentation tank is arranged beside the cooling tower, and when the collected liquid water passes through the cooling tower and then enters the sedimentation tank, the sedimentation tank carries out sedimentation treatment on the collected liquid water. Can settle and separate impurities contained in the collected liquid, saves water sources, and realizes the recycling and the saving of water.
10. Through dust removal spray set includes the individual layer spray piping that adopts PP material pipe to constitute and adopts mirror symmetry circular arrangement's nozzle, can form atomizing spray liquid, realizes PM2.5 fine particles and acid gas's collection.
11. The demister adopts a multistage demister structure which is arranged from top to bottom, and the demister adopts a high-efficiency demister made of PP materials. Can realize gas-liquid separation, the dust-laden fog drops in the entrapment flue gas improve dust removal defogging efficiency.
12 the liquid collector is arranged in the desulfurizing tower through an annular supporting plate and a supporting beam; the liquid collector comprises a plurality of air lifting caps, a bottom plate and a return pipe; be equipped with the backward flow hole on the bottom plate, with the gas lift hole that the gas lift cap position corresponds and connect, the backward flow hole cooperates with the back flow, a plurality of gas lift caps pass through welding mode interval equipartition and set up on the bottom plate, and the trompil size of gas lift cap bottom designs according to the flue gas velocity of flow, the back flow passes through the backward flow hole and sets up in the bottom plate lower part, and the liquid collecting water is drawn forth to the sedimentation tank through the back flow through the cooling tower. The rising direction of the flue gas can be changed, the flow velocity of the flue gas is slowed down, and the washing effect of fine particles in the flue gas is enhanced.
Drawings
Fig. 1 is the utility model discloses a dust collector's in coordination structure sketch map in sintering machine flue gas wet flue gas desulfurization tower.
Fig. 2 is the structure schematic diagram of the slurry spraying device of the utility model.
Figure 3 is the utility model discloses liquid trap structure schematic diagram.
Fig. 4 is an enlarged view of part I of fig. 3.
Fig. 5 is a schematic view of the sieve plate structure of the present invention.
Fig. 6 is the schematic structural diagram of the dust-removing spraying device of the present invention.
Fig. 7 is a schematic view of the high-efficiency demister of the present invention.
Wherein, 1-a desulfurizing tower; 2-slurry spraying layer; 3-a liquid collector; 4-sieve plate; 5-a dust removal spraying device; 6-a demister; 7-a return pipe; 8-a cooling tower; 9-a sedimentation tank; 10-a stirrer; 11-slurry circulation pump; 12-circulating water pump.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
As shown in figures 1 to 7, the device comprises a desulfurizing tower 1, a cooling tower 8 and a sedimentation tank 9, wherein a slurry spray device 2, a liquid collector 3, a sieve plate 4, a dust removal spray device 5 and a demister 6 are arranged in the desulfurizing tower, the bottom of the desulfurizing tower is a slurry tank, the side wall of the upper part of the slurry tank is provided with a flue gas inlet, the top end of the desulfurizing tower is provided with a flue gas outlet, the slurry spray device 2 is arranged above the flue gas inlet, the slurry spray device 2 is overlapped in the height direction, the liquid collector 3 is arranged above the slurry spray device 2, the sieve plate 4 is arranged above the liquid collector 3, the dust removal spray device 5 is arranged above the sieve plate 4, the demister 6 is arranged above the dust removal spray device 5, the bottom of the cooling tower 8 is communicated with a liquid inlet of the sedimentation tank 9 through a pipeline, and the sedimentation tank is connected with a liquid inlet of a circulating water pump, the liquid outlet of the circulating water pump 12 is connected with the liquid inlet of the dust removal spraying device 5 through a pipeline, the bottom of one side of the sedimentation tank is communicated with the sludge tank, the upper part of the cooling tower 8 is communicated with the return pipe 7 of the liquid collector 3 through a pipeline, the liquid inlet of the slurry circulating pump 11 is connected with the slurry tank through a pipeline, and the liquid outlet of the slurry circulating pump is connected with the pipeline of the slurry spraying layer 2 through a pipeline. The cooling tower is arranged outside the desulfurizing tower, and when the collected liquid water in the return pipe passes through the cooling tower, the cooling tower cools the collected liquid water. The sedimentation tank is arranged beside the cooling tower, and when the collected liquid water passes through the cooling tower and then enters the sedimentation tank, the sedimentation tank carries out sedimentation treatment on the collected liquid water. The demister is connected with a demister flushing water pump through a pipeline. The sedimentation tank 9 is added with a neutralizing agent and a flocculating agent through a pipeline, and the sedimentation tank 9 is also connected with a process water pipeline through a pipeline.
As shown in fig. 2, the slurry spraying device 2 comprises a plurality of slurry spraying layers arranged up and down, and each slurry spraying layer is respectively connected with a respective slurry circulating pump 11 through a pipeline; each layer of slurry spraying layer comprises a spraying glass pipeline and silicon carbide atomizing nozzles arranged at intervals along the length direction of the spraying glass pipeline, and the nozzles spray and wash the flue gas. The spray angle setting mode of the nozzle is as follows: the upper half part of the nozzles are parallel to the smoke flowing direction, and the lower half part of the nozzles and the smoke flowing direction form 150 degrees upward spraying.
The stirrer 11 is arranged at the bottom of the slurry pool, and comprises a stirring impeller positioned inside the desulfurization tower, a rotating shaft connected with the stirring impeller, and a driving motor arranged outside the desulfurization tower and connected with the rotating shaft, wherein the stirrer is fixed on the tower wall of the desulfurization tower, and the rotating shaft is arranged in a direction of inclining downwards by 45 degrees from outside to inside; the slurry pool tower wall is provided with an opening, the opening is connected with an oxidizing air inlet pipeline, and the air inlet pipeline is connected with an air source.
Fig. 3 and 4 show that the liquid collector is made of 316L stainless steel, and is mounted in the desulfurization tower through an annular support plate and a support beam; the liquid collector 3 comprises a plurality of air lifting caps 31, a bottom plate 32 and a return pipe 7; be equipped with the backward flow hole 33 on the bottom plate 32, with the gas lift hole that the gas lift cap 31 position corresponds and is connected, the backward flow hole cooperates with the back flow, a plurality of gas lift caps 31 set up on bottom plate 32 through welding mode interval equipartition, and the trompil size in gas lift cap 31 bottom designs according to the flue gas velocity of flow, back flow 7 passes through the backward flow hole and sets up in the bottom plate lower part, and the liquid collecting water is drawn forth to the sedimentation tank through the cooling tower through the back flow.
Fig. 5 shows, sieve 4 is 2205 stainless steel panel bending structure, the sieve includes the horizontal kink of outlying perpendicular kink, centre, through perpendicular kink and tower body internal connection, and wherein the horizontal kink evenly is equipped with the slotted hole, and sieve upper portion forms under the effect of shower water and holds the liquid layer, works as when the flue gas that the flue gas import got into passes through the sieve, the sieve is right the flue gas that the flue gas import got into carries out particulate matter processing such as PM10, aerosol.
As shown in fig. 6, the dust-removing spray device 5 includes a single-layer spray pipe made of PP material pipes and nozzles arranged in a mirror symmetry circular manner.
As shown in fig. 7, the demister 6 has a multistage demister structure arranged in the upper and lower direction. The defroster is the high-efficient defroster of PP material.
The demister 6 is connected with a flushing water pipe, and a nozzle is arranged on the flushing water pipe. The washing water pipe and the nozzles arranged from top to bottom regularly wash the inner wall of the demister 6, so that the scaling inside the high-efficiency multi-pipe demister can be effectively prevented, and the dust removal and demisting efficiency is improved.
And the inner surfaces of the inner wall of the desulfurizing tower 1, the flue gas inlet and the flue gas outlet are all provided with glass flakes for preventing corrosion.
The sintering flue gas carries fine fog drops to enter the desulfurizing tower 1 from a flue gas inlet and passes through the multilayer slurry spraying device 2 from bottom to top, sulfur dioxide in the flue gas is absorbed by the atomized spraying liquid, and PM10 dust particles are washed and removed by the atomized spraying liquid.
Then the flue gas goes upward and passes through liquid trap 3, can slow down the velocity of flow of flue gas effectively through liquid trap 3, simultaneously under the effect of rising the gas cap, has changed the ascending direction of flue gas, has strengthened the washing effect of fine particle thing in the flue gas.
The flue gas after being purified again continues to rise to the sieve plate 4, the upper part of the sieve plate forms a liquid holding layer under the action of the dust removal spraying device 5, when the flue gas passes through the liquid holding layer, the gas-liquid two-phase contact probability and area are increased, the chemical mass transfer effect is enhanced, and the SO is improved3The removal efficiency of particulate matters such as acid gas, PM2.5 and the like.
The flue gas continues upwards to circulate and reachs 6 subassemblies of high-efficient defroster, the flue gas is through multistage defogging in defroster 6, the flue gas is quick, change direction of motion in succession, because of centrifugal force and inertia effect, the droplet in the flue gas is strikeed and is got off by the entrapment on 6 blades of defroster, the droplet collects and forms the rivers, 4 layers of sieve are fallen to because of the effect of gravity, finally fall to liquid trap 3 layers, through 7 after 8 cooling towers through the back flow, through subsiding backward flow to sedimentation tank 9 step by step, gas-liquid separation has been realized, the purification effect has been played, the dust removal defogging efficiency has been improved. Simultaneously for preventing the inside scale deposit of high-efficient multicell defroster, set up the wash tub pipe that is equipped with the nozzle through top-down, regularly wash the inner wall, more improved dust removal defogging efficiency.
The spraying liquid after reacting with sulfur dioxide in the flue gas falls to the thick liquid pond, starts agitator 11 and stirs the thick liquid for the thick liquid flows, spouts a large amount of air into the thick liquid pond through the oxidation air pipe, to the continuous oxidation of thick liquid in the thick liquid pond, forms the gypsum, and outside timely discharge desulfurizing tower 1.
The utility model discloses a synergistic dust collector passes through washing coprocessing in the tower, and fine dust is condensed by liquid trap and sieve, and the washing effect is obvious, and the flue gas that discharges out is favorable to wet electrostatic precipitator's further processing, has avoided because of the higher influence to wet electrostatic precipitator after of sintering flue gas dust content, can realize the ultralow emission of sintering flue gas and administer better.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (10)
1. A water washing and dust removal device in cooperation with a sintering flue gas desulfurization tower comprises a desulfurization tower, a cooling tower and a sedimentation tank and is characterized in that a slurry spraying device, a liquid collector, a sieve plate, a dust removal spraying device and a demister are arranged in the desulfurization tower, the bottom of the desulfurization tower is a slurry tank, the side wall of the upper part of the slurry tank is provided with a flue gas inlet, the top end of the desulfurization tower is provided with a flue gas outlet, the slurry spraying device is arranged above the flue gas inlet, the liquid collector is arranged above the slurry spraying device, the sieve plate is arranged above the liquid collector, the dust removal spraying device is arranged above the sieve plate, the demister is arranged above the dust removal spraying device, the bottom of the cooling tower is communicated with a liquid inlet of the sedimentation tank through a pipeline, the sedimentation tank is connected with a liquid inlet of a circulating water pump through a pipeline, a liquid outlet, the upper part of the cooling tower is communicated with a return pipe of the liquid collector through a pipeline, a liquid inlet of the slurry circulating pump is connected with the slurry pool through a pipeline, and a liquid outlet of the slurry circulating pump is connected with a pipeline of the slurry spraying layer through a pipeline.
2. The device for removing dust by water washing in a sintering flue gas desulfurization tower as claimed in claim 1, wherein the cooling tower is arranged outside the desulfurization tower, and when the collected water in the return pipe passes through the cooling tower, the cooling tower cools the collected water; the sedimentation tank is arranged beside the cooling tower, and when the collected liquid water passes through the cooling tower and then enters the sedimentation tank, the sedimentation tank carries out sedimentation treatment on the collected liquid water.
3. The device for removing dust by water washing in a sintering flue gas desulfurization tower as claimed in claim 1, wherein the slurry spraying device comprises a plurality of slurry spraying layers arranged up and down, and each slurry spraying layer is respectively connected with a respective slurry circulating pump through a pipeline; each layer of slurry spraying layer comprises a spraying glass pipeline and silicon carbide atomizing nozzles arranged at intervals along the length direction of the spraying glass pipeline, and the nozzles spray and wash the flue gas.
4. The device for removing dust in cooperation with water washing in the sintering flue gas desulfurization tower as recited in claim 1, wherein a stirrer is arranged at the bottom of the slurry pool, the stirrer comprises a stirring impeller positioned in the desulfurization tower, a rotating shaft connected with the stirring impeller, and a driving motor connected with the rotating shaft and arranged outside the desulfurization tower, the stirrer is fixed on the tower wall of the desulfurization tower, and the rotating shaft is arranged in a downward inclination manner from outside to inside; the slurry pool tower wall is provided with an opening, the opening is connected with an oxidizing air inlet pipeline, and the air inlet pipeline is connected with an air source.
5. The device for removing dust in cooperation with water washing in the sintering flue gas desulfurization tower as recited in claim 1, wherein the liquid collector is made of 316L stainless steel, and is mounted in the desulfurization tower through an annular supporting plate and a supporting beam; the liquid collector comprises a plurality of air lifting caps, a bottom plate and a return pipe; be equipped with the backward flow hole on the bottom plate, with the gas lift hole that the gas lift cap position corresponds and connect, the backward flow hole cooperates with the back flow, a plurality of gas lift caps pass through the welding interval equipartition and set up on the bottom plate, and the trompil size of gas lift cap bottom designs according to the flue gas velocity of flow, the back flow passes through the backward flow hole and sets up in the bottom plate lower part, and the liquid collecting water is drawn forth to the sedimentation tank through the back flow through the cooling tower.
6. The device of claim 1, wherein the sieve plate is a 2205 stainless steel plate bending structure, the sieve plate comprises a peripheral vertical bending part and a middle horizontal bending part, the sieve plate is connected with the interior of the tower body through the vertical bending part, the horizontal bending part is uniformly provided with slotted holes, the upper part of the sieve plate forms a liquid holding layer under the action of spray water, and the sieve plate performs PM10 and aerosol particle treatment on the flue gas.
7. The device for removing dust in cooperation with water washing in the sintering flue gas desulfurization tower as recited in claim 1, wherein the dust removal spray device comprises a single-layer spray pipe composed of PP material pipes and nozzles arranged in a mirror symmetry circular manner.
8. The device for removing dust in cooperation with water washing in the sintering flue gas desulfurization tower as recited in claim 1, wherein the demister is a multi-stage demister structure arranged up and down, and the demister is a high-efficiency demister made of PP material.
9. The device for removing dust in cooperation with water washing in the sintering flue gas desulfurization tower as recited in claim 8, wherein the demister is connected with a washing water pipe, and the washing water pipe is provided with a nozzle.
10. The device for removing dust by water washing in a sintering flue gas desulfurization tower as claimed in claim 1, wherein the inner surfaces of the inner wall of the desulfurization tower, the flue gas inlet and the flue gas outlet are provided with glass flakes for preventing corrosion.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921287362.8U CN210786843U (en) | 2019-08-09 | 2019-08-09 | Water washing and dust removal device in cooperation with sintering flue gas desulfurization tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921287362.8U CN210786843U (en) | 2019-08-09 | 2019-08-09 | Water washing and dust removal device in cooperation with sintering flue gas desulfurization tower |
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| CN210786843U true CN210786843U (en) | 2020-06-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110302651A (en) * | 2019-08-09 | 2019-10-08 | 山东国舜建设集团有限公司 | Washing collaboration dust-extraction unit in sintering flue gas desulfurization tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110302651A (en) * | 2019-08-09 | 2019-10-08 | 山东国舜建设集团有限公司 | Washing collaboration dust-extraction unit in sintering flue gas desulfurization tower |
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