CN218307021U - Flue gas treatment system for hot splashing field - Google Patents
Flue gas treatment system for hot splashing field Download PDFInfo
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- CN218307021U CN218307021U CN202222155444.5U CN202222155444U CN218307021U CN 218307021 U CN218307021 U CN 218307021U CN 202222155444 U CN202222155444 U CN 202222155444U CN 218307021 U CN218307021 U CN 218307021U
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Abstract
The utility model discloses a flue gas processing system for hot application field in smoke and dust treatment facility field, including the spray column, flue and draught fan intercommunication are passed through at the spray column top, the draught fan passes through pipeline and chimney intercommunication, upper portion is provided with high-efficient defroster in the spray column, high-efficient defroster below both sides all are provided with a plurality of sound wave and reunite the resonance region, sound wave reunion resonance region below is provided with elementary defroster, elementary defroster below is provided with the multilayer and sprays the layer, it is provided with the thick liquid district to spray the layer below, the thick liquid district passes through pipeline and sedimentation tank intercommunication, through spraying the layer, elementary defroster, sound wave reunion resonance region and high-efficient defroster carry out a lot of filtration and subsides to the flue gas, make the very small dust in the flue gas and the catching desorption of droplet, clean gas after the purification takes out row to the chimney by the draught fan through spray column top of the tower flue, can be long-term stable reach national gas emission standard, reach ultralow emission even.
Description
Technical Field
The utility model relates to a smoke and dust treatment facility field specifically is a flue gas processing system for hot application field.
Background
With the improvement of the environmental protection requirement of the whole society, the steel industry is changing from the original pollution of the large households to the zero-emission green steel industry, and the environmental protection treatment of the steel-making slag is one of the key points and difficulties for realizing the change. The steelmaking slag is always regarded as waste to be abandoned, and the recycling of the steelmaking slag resource can be realized through scientific and technological research at present, the main process is a hot splashing method or a hot stuffiness method, and the process flow is as follows: conveying the steel slag to a slag pool, pouring the steel slag into the slag pool, uniformly paving a layer, then splashing water, sequentially paving the steel slag layer by layer to a proper height, buckling an upper cover (or a cover) at the top of the slag pool, standing for several hours in a hot-stuffy manner, fishing out, entering a separation process, removing impurities in the steel slag, and returning the steel remaining in the steel slag to the steel-making production for recycling.
In the prior art, steel slag can generate a large amount of smoke dust in the hot splashing process, and the steel slag comprises the following main components: water vapor and dust. And can not effectively handle and collect the smoke and dust in current hot splashing field, lead to it to pollute the workshop environment, discharge can pollute external environment in the atmosphere at last, and be unfavorable for the healthy of workshop personnel, reduced its functionality and practicality. Therefore, those skilled in the art provide a smoke treatment system for hot splashing field to solve the above problems in the background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flue gas processing system for hot application field to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a flue gas processing system for hot splashing field, includes the spray column, flue and draught fan intercommunication are passed through to the spray column top, the draught fan passes through pipeline and chimney intercommunication, upper portion is provided with high-efficient defroster in the spray column, high-efficient defroster below both sides all are provided with a plurality of sound wave reunion resonance region, sound wave reunion resonance region below is provided with elementary defroster, elementary defroster below is provided with the multilayer and sprays the layer, it is provided with the thick liquid district to spray the layer below, the thick liquid district passes through pipeline and sedimentation tank intercommunication, the sedimentation tank passes through pipeline and water processing system's slag removal equipment intercommunication, the sedimentation tank passes through water processing system and pipeline and circulation tank intercommunication, the circulation tank passes through a plurality of circulating pumps respectively with a plurality of layers of spraying intercommunication, high-efficient defroster and elementary defroster communicate through pipeline and process water tank respectively.
As a further aspect of the present invention: the layer that sprays is provided with the three-layer, the layer that sprays includes spray piping, every the spray piping lower extreme all is provided with a plurality of nozzles that can spray umbelliform water smoke, and during the use, the accessible three-layer sprays a large amount of umbelliform water smoke in the layer blowout, gets off the dust entrapment of most large granule in the flue gas, makes it fall into spray tower bottom thick liquid district.
As the utility model discloses further scheme again: the eight sound wave agglomeration resonance regions are uniformly distributed on the left side and the right side of the spray tower at equal intervals, and when the spray tower is used, dust and water vapor in smoke can be agglomerated into large particles through the sound wave agglomeration resonance regions and settled, and then dust falling treatment is further performed.
As a further aspect of the present invention: the thick liquid district is located the spray column bottom of the tower, just be provided with a plurality of mud discharge pumps on the communicating pipe of thick liquid district and sedimentation tank, during the use, start the mud discharge pump, can let in the thick liquid district thick liquid and the dust that wherein contains into the sedimentation tank sedimentation treatment to water resource in the thick liquid is recycled in the follow-up recovery.
As a further aspect of the present invention: the water inlet pipe at the upper end of the process water tank is provided with a water injection valve and a flow valve, and the side end wall of the process water tank is provided with a plurality of process water pumps.
As a further aspect of the present invention: the lower end in the spray tower is communicated with a dust hood at the upper end of the hot splashing pool through a pipeline, a flue adjusting valve is arranged on the communicating pipeline of the dust hood and the spray tower, and when steel slag in the hot splashing pool is subjected to hot splashing, a large amount of hot splashing smoke containing water vapor and dust is guided into the bottom of the spray tower through the dust hood.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, filter and subside many times through spraying layer, elementary defroster, sound wave reunion resonance region and high-efficient defroster to the flue gas, what make the extremely small dust in the flue gas and fog drop catches and knows the desorption, and the clean gas after the purification is taken out by the draught fan through spray column top of the tower flue and is arranged to the chimney, and the national gas emission standard that reaches that can be stable for a long time reaches ultralow emission even.
2. The utility model discloses in, through sedimentation tank and water processing system's setting, carry out the processing of gathering dust in the flue gas to through deposiing and slag removal equipment, detach the dust in the thick liquid, the thick liquid resumes former clean state, starts the circulating pump, continues to circulate and sprays the entrapment dust, can save the water resource, has improved its practicality and functionality.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a spray tower; 2. an induced draft fan; 3. a chimney; 4. a high-efficiency demister; 5. a sound wave agglomeration resonance region; 6. a primary demister; 7. a spray layer; 71. a spray pipe; 8. a slurry zone; 9. a sedimentation tank; 91. a slurry discharging pump; 10. a water treatment system; 11. a circulation tank; 12. a process water tank; 121. a water injection valve; 122. a flow valve; 123. a process water pump; 13. a dust collection cover; 131. flue governing valve.
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, in an embodiment of the present invention, a flue gas treatment system for a hot splashing field includes a spray tower 1, the top of the spray tower 1 is communicated with an induced draft fan 2 through a flue, the induced draft fan 2 is communicated with a chimney 3 through a pipeline, a high efficiency demister 4 is arranged at the upper portion in the spray tower 1, a plurality of acoustic agglomeration resonance regions 5 are arranged at both sides below the high efficiency demister 4, a primary demister 6 is arranged below the acoustic agglomeration resonance region 5, a multi-layer spray layer 7 is arranged below the primary demister 6, a slurry region 8 is arranged below the spray layer 7, the slurry region 8 is communicated with a settling tank 9 through a pipeline, the settling tank 9 is communicated with a deslagging device of a water treatment system 10 through a pipeline, the settling tank 9 is communicated with a circulation tank 11 through a water treatment system 10 and a pipeline, circulation tank 11 is respectively with a plurality of layers 7 intercommunications that spray through a plurality of circulating pumps, high-efficient defroster 4 and elementary defroster 6 are respectively through pipeline and 12 intercommunications of process water tank, during the use, filter many times through elementary defroster 6 and high-efficient defroster 4 dust and steam in to the flue gas respectively, with this realization to the capture of the minimum powder in the flue gas and droplet and know the desorption, thereby reach the ultralow emission of flue gas, so that follow-up through draught fan 2 row income atmosphere, deposit and the dross removal device in the water processing system 10 through sedimentation tank 9, detach the dust in the thick liquid, make the thick liquid resume former clean state, continue to circulate and spray the entrapment dust, save the water resource, the practicality has been improved.
When the spraying tower is used, a large amount of umbrella-shaped water mist can be sprayed out through the three spraying layers 7, most of large-particle dust in the flue gas is collected and falls into a tower bottom slurry area 8 of the spraying tower 1; eight sound wave agglomeration resonance regions 5 are arranged, and a plurality of sound wave agglomeration resonance regions 5 are uniformly distributed on the left side and the right side of the spray tower 1 at equal intervals, so that when the spray tower is used, dust and water vapor in smoke can be agglomerated into large particles through the sound waves of the sound wave agglomeration resonance regions 5 and then settled, and dust falling treatment is further carried out; the slurry area 8 is positioned at the bottom of the spray tower 1, and a plurality of slurry discharge pumps 91 are arranged on the communication pipeline between the slurry area 8 and the sedimentation tank 9, when in use, the slurry discharge pumps 91 are started, so that slurry in the slurry area 8 and dust contained in the slurry can be introduced into the sedimentation tank 9 for sedimentation treatment, and water resources in the slurry can be recycled later; when the water supply device is used, a large amount of process water can be provided for the high-efficiency demister 4 and the primary demister 6 through the process water tank 12 and is used for wet demisting treatment of smoke dust; the lower end in the spray tower 1 is communicated with a dust hood 13 at the upper end of the hot splashing pool through a pipeline, a flue adjusting valve 131 is arranged on the communicating pipeline between the dust hood 13 and the spray tower 1, and when steel slag in the hot splashing pool is subjected to hot splashing, a large amount of hot splashing smoke containing water vapor and dust is introduced into the bottom of the spray tower 1 through the dust hood 13.
The utility model discloses a theory of operation is: when steel slag in the hot splashing pool is subjected to hot splashing treatment, a large amount of hot splashing smoke containing water vapor and dust generated after hot splashing and water cooling is guided into the bottom of the spray tower 1 through the dust collection cover 13, most of large-particle dust is trapped by umbrella-shaped water mist sprayed from the spray layer 7 and falls into a tower bottom slurry area 8 of the spray tower 1, and a small amount of small-particle dust is subjected to primary filtration by the primary demister 6 to filter the water vapor and the dust; and the fine dust and water vapor upwards pass the acoustic agglomeration resonance area 5 again, the fine dust and water vapor are agglomerated into large particles, so that the large particles are settled, and then are filtered by the high-efficiency demister 4 at the top, the purified clean gas is pumped out by the draught fan 2 through the top flue of the spray tower 1 and is discharged to the chimney 3, so that the ultra-fine dust and fog drops in the flue gas or the gas are captured and removed, so that the ultra-low emission of the flue gas is achieved, after the operation is carried out for a period of time, the captured dust completely falls into the slurry area 8 at the bottom of the spray tower 1, the slurry contains a large amount of dust, the dust removal effect is influenced, the dust in the slurry can be removed through the slag removal equipment of the sedimentation tank 9 and the water treatment system 10, the slurry is restored to the original clean state, the circulating pump is started, the dust is continuously sprayed and captured in a circulating manner, so that the water resource is saved, and the practicability and the functionality are improved. The device has low investment, low operating cost, energy conservation and emission reduction, is environment-friendly, and can stably reach the national gas emission standard for a long time and even reach ultra-low emission.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A flue gas treatment system for a hot splashing field comprises a spray tower (1), and is characterized in that: the utility model discloses a spray column, including spray column (1), draught fan (2), upper portion is provided with high-efficient defroster (4) at spray column (1) top, high-efficient defroster (4) below both sides all are provided with a plurality of sound wave and reunite resonance region (5), sound wave reunion resonance region (5) below is provided with primary defroster (6), primary defroster (6) below is provided with the multilayer and sprays layer (7), it is provided with thick liquid district (8) to spray layer (7) below, thick liquid district (8) communicate through pipeline and sedimentation tank (9), sedimentation tank (9) communicate through the deslagging apparatus of pipeline with water processing system (10), sedimentation tank (9) communicate through water processing system (10) and pipeline and circulation tank (11), circulation tank (11) communicate with a plurality of spraying layers (7) respectively through a plurality of circulating pumps, high-efficient defroster (4) and primary defroster (6) communicate with technology water tank (12) through pipeline respectively.
2. The fume treatment system for the hot splashing field according to claim 1, wherein: the spray layer (7) is provided with the three-layer, spray layer (7) including spray pipe (71), every spray pipe (71) lower extreme all is provided with a plurality of nozzles that can spout umbelliform water smoke.
3. The fume treatment system for the hot-splashing field according to claim 1, wherein: the eight sound wave agglomeration resonance regions (5) are arranged and uniformly distributed on the left side and the right side of the spray tower (1) at equal intervals, and the sound wave agglomeration resonance regions (5) are multiple.
4. The fume treatment system for the hot splashing field according to claim 1, wherein: the slurry area (8) is positioned at the bottom of the spray tower (1), and a plurality of slurry discharging pumps (91) are arranged on the communication pipelines of the slurry area (8) and the sedimentation tank (9).
5. The fume treatment system for the hot-splashing field according to claim 1, wherein: a water injection valve (121) and a flow valve (122) are arranged on a water inlet pipeline at the upper end of the process water tank (12), and a plurality of process water pumps (123) are arranged on the side end wall of the process water tank (12).
6. The fume treatment system for the hot-splashing field according to claim 1, wherein: the lower end in the spray tower (1) is communicated with a dust collection cover (13) at the upper end of the hot splashing pool through a pipeline, and a flue adjusting valve (131) is arranged on the communication pipeline between the dust collection cover (13) and the spray tower (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222155444.5U CN218307021U (en) | 2022-08-16 | 2022-08-16 | Flue gas treatment system for hot splashing field |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222155444.5U CN218307021U (en) | 2022-08-16 | 2022-08-16 | Flue gas treatment system for hot splashing field |
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| CN218307021U true CN218307021U (en) | 2023-01-17 |
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| CN202222155444.5U Active CN218307021U (en) | 2022-08-16 | 2022-08-16 | Flue gas treatment system for hot splashing field |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117604171A (en) * | 2023-11-23 | 2024-02-27 | 中南大学 | Environment-friendly treatment system for high-temperature waste residues in steel smelting |
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2022
- 2022-08-16 CN CN202222155444.5U patent/CN218307021U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117604171A (en) * | 2023-11-23 | 2024-02-27 | 中南大学 | Environment-friendly treatment system for high-temperature waste residues in steel smelting |
| CN117604171B (en) * | 2023-11-23 | 2024-05-28 | 中南大学 | Environment-friendly treatment system for high-temperature waste residues in steel smelting |
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