CN218530293U - Multi-layer chamber-divided spraying device - Google Patents
Multi-layer chamber-divided spraying device Download PDFInfo
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- CN218530293U CN218530293U CN202222612181.6U CN202222612181U CN218530293U CN 218530293 U CN218530293 U CN 218530293U CN 202222612181 U CN202222612181 U CN 202222612181U CN 218530293 U CN218530293 U CN 218530293U
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Abstract
The utility model discloses a multilayer locellus spray set, include: the dust removal box body is provided with a plurality of air inlets and an air outlet; the spraying assembly and the water bath assembly are arranged in the dust removing chambers from top to bottom, and one dust removing chamber corresponds to one air inlet; a demisting chamber arranged at one lateral side of the dust chambers; and the dust removal tank is arranged on the bottom surface or the side surface of the dust removal box body and is used for receiving sewage in the dust removal box body, and the dust removal tank is communicated with the spraying component through a backflow component. Set up a plurality of clean rooms in the dust removal box, every clean room admits air respectively, mutual noninterference, and dusty flue gas gets into a plurality of clean rooms simultaneously and removes dust, and dusty flue gas is separated into many, compares dusty flue gas and removes dust in a big dust removal box, and the multiple-chamber is independently removed dust and has increased the area of contact of dusty flue gas and water, reduces the wind speed that overflows on water surface, and it is more high-efficient to remove dust. Meanwhile, the plurality of dust chambers can be vertically arranged, so that the transverse floor area of the dust removal box body is reduced.
Description
Technical Field
The utility model relates to a wet dedusting field. More specifically, the utility model relates to a multilayer locellus spray set.
Background
The production links such as compounding system, raw materials drying system, slag processing system of iron-making raw materials system of steel plant produce great steam in process of production to contain great dust particulate matter in the steam, reduce the dust content in the smoke and dust through wet dedusting, play the dust removal effect.
The existing wet dust removal system mostly adopts a spraying mode or an impulse type water removal mode to remove dust collected by a dust remover, and for the working condition with higher dust content in the field, the existing wet dust remover has poorer dust removal capability on collected dust particles and cannot play an effective dust removal role on higher-concentration dust, so that the emission of chimney particles exceeds the standard. To the higher operating mode of on-the-spot raise dust point dust content, generally improve dust removal effect through increasing the volume of spraying, in the patent of application No. 201920418776.3, disclose an atomizing and spraying high-efficient absorption tower, two-layer spray rack and two-layer flue gas absorbing device about this high-efficient absorption tower design, but only designed an air intake in the bottom of the absorption tower, be unfavorable for upper spray set and flue gas absorbing device to the purification of dusty flue gas.
For the working condition that the dust content of a field dust raising point is high, the effect of effectively reducing the dust content cannot be achieved by simply increasing the spraying amount, the occupied area of a spraying chamber is increased if the contact area of flue gas and water is directly increased by single-chamber spraying, the investment cost is increased, however, the field of most field transformation projects has insufficient space, and the design is limited.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multilayer locellus spray set to the great operating mode of dust content in the on-the-spot steam, can effectively improve dust collection efficiency, improves the atmospheric particulates emission index of chimney.
To achieve these objects and other advantages in accordance with the purpose of the invention, as embodied and broadly described, there is provided a multi-layered chambered spray apparatus comprising:
the dust removal box body is provided with a plurality of air inlets and an air outlet;
the plurality of dust chambers are longitudinally and sequentially arranged in the dust removing box body, the spraying assemblies and the water bath assemblies are arranged in the dust removing chambers from top to bottom, and one dust chamber corresponds to one air inlet;
the demisting chambers are arranged on one lateral side of the dust removing chambers, openings are formed in the bottoms of the demisting chambers and communicated with the interior of the dust removing box body, the upper portions of the demisting chambers are communicated with the air outlet, and the openings are lower than the height of the dust removing chamber at the lowest position;
and the dust removal tank is arranged on the bottom surface or the side surface of the dust removal box body and is used for receiving sewage in the dust removal box body, and the dust removal tank is communicated with the spraying component through a backflow component.
Preferably, each dust removal chamber is at least provided with two stages of spraying assemblies from top to bottom, the spraying assemblies are provided with a plurality of spraying heads, and the spraying head of the lowest stage of spraying assembly is higher than the height of the air inlet.
Preferably, the bottom of the water bath assembly is a circulating water tank, and a perforated plate insertion type structure is arranged in the circulating water tank.
Preferably, the defogging chamber is provided with at least two defoggers from top to bottom, the defogger comprises a support structure and an S-shaped plate piece, and the S-shaped plate piece is arranged in the support structure.
Preferably, an induced draft fan is arranged outside the air outlet, and the air outlet is communicated with the flue.
Preferably, the dust removal tank is arranged at the lower part of the dust removal box body, and a drainage hopper is arranged between the dust removal box body and the dust removal tank.
Preferably, the dedusting pool is provided with a water inlet and a water outlet, the water inlet is communicated with an external water source, and a sewage pump is arranged at the water outlet.
Preferably, the backflow component is a circulating water pump.
The utility model discloses at least, include following beneficial effect:
first, set up a plurality of clean rooms in the dust removal box, every clean room admits air respectively, mutual noninterference, and dusty flue gas gets into a plurality of clean rooms simultaneously and removes dust, and dusty flue gas is separated into many copies, compares dusty flue gas and removes dust in a big dust removal box, and the multi-chamber is independently removed dust and has increased the area of contact of dusty flue gas with water, reduces the wind speed that overflows on water surface, removes dust more efficiently. Meanwhile, the plurality of dust chambers can be vertically arranged, so that the transverse floor area of the dust removal box body is reduced.
The second and the plurality of dust chambers can be vertically arranged, so that the dust removal efficiency is improved, the occupied area of dust removal equipment is not required to be enlarged, and the problem of insufficient field is solved.
And thirdly, the multi-chamber dust removal structure and the multi-layer spraying devices in each chamber increase the contact area of the dust-containing smoke and water, improve the coverage rate of spraying water and further improve the dust removal effect.
Fourthly, the dedusting sewage of each chamber is collected together and backwater is carried out simultaneously, the spray water is separated, and each chamber can be separately overhauled, so that the overhauling flexibility is improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a technical solution of the present invention;
fig. 2 is a schematic perspective view of the present invention;
fig. 3 is a schematic structural view of the water bath assembly according to the present invention;
fig. 4 is a schematic structural view of the demister of the present invention.
Detailed Description
The present invention is described in further detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terms "lateral," "longitudinal," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
As shown in fig. 1-2, the utility model provides a multilayer chambered spray set, include:
the dust removal box body 1 is provided with a plurality of air inlets 5 and an air outlet 6. The dust-containing flue gas enters the dust removal box body 1 from the plurality of air inlets 5, and the gas in the dust removal box body 1 is discharged from the air outlet 6.
A plurality of dust chambers 2 are longitudinally and sequentially arranged in the dust removal box body 1, a spraying component 7 and a water bath component 8 are arranged in the dust chambers 2 from top to bottom, and one dust chamber 2 corresponds to one air inlet 5. Be provided with a plurality of clean rooms 2 in the dust removal box 1, every clean room 2 sets up spray set 7 and water bath subassembly 8 from top to bottom, set up a plurality of shower heads 71 in spray set 7 and spout the dusty flue gas, with particulate matter and gas separation, the water after spraying gets into water bath subassembly 8, water bath subassembly 8 is circulating water tank 81, water after the spraying flue gas is accepted to water bath subassembly 8, partly dusty flue gas gets into water bath subassembly 8 simultaneously, water bath subassembly 8 removes dust once more to the flue gas. Every clean room 2 sets up an air intake 5, and every clean room 2 admits air respectively, mutual noninterference, and dusty flue gas gets into a plurality of clean rooms 2 simultaneously, sprays dust removal and water bath subassembly 8 dust removal through spray assembly 7 in proper order. Flue gas is separated into the lot, and every portion is independently removed dust, removes dust in a big dust removal box 1 than flue gas, and the multi-chamber is independently removed dust has increased the area of contact of flue gas with water, reduces the wind speed that overflows on water surface, and it is more efficient to remove dust. Meanwhile, the dust chambers 2 can be vertically arranged, so that the transverse floor area of the dust removal box body 1 is reduced.
The demisting chamber 3 is arranged on one lateral side of the dust chambers 2, an opening 9 is formed in the bottom of the demisting chamber 3 and communicated with the interior of the dust removal box body 1, the upper portion of the demisting chamber is communicated with the air outlet 6, and the opening 9 is lower than the height of the dust chamber 2 at the lowest portion. The demisting chamber 3 is arranged at one side of the dust chambers 2, the bottom of the demisting chamber 3 is provided with an opening 9, a corrugated plate is arranged in the demisting chamber 3, gas containing mist in the dust removing box body 1 enters the demisting chamber 3 from the opening 9 at the bottom of the demisting chamber 3, the mist and the corrugated plate collide with each other through the corrugated plate in the demisting chamber 3, and when the gravity generated by the mist and the corrugated plate is larger than 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 opening 9 of the demisting chamber 3 is lower than the height of the dust removing chamber 2 at the lowest part, the length of the demisting chamber 3 is increased, gas is guided to flow downwards firstly and then enters the demisting chamber 3 from the opening 9, the flowing length of the gas is increased, a large amount of gas is prevented from simultaneously entering the demisting chamber 3, and demisting of the demisting chamber is facilitated.
And the dust removal tank 4 is arranged on the bottom surface or the side surface of the dust removal box body 1 and is used for receiving sewage in the dust removal box body 1, and the dust removal tank 4 is communicated with the spraying component 7 through a backflow component 10. The sewage of spray set 7 and water bath set 8 is accepted to dust removal pond 4, sets up backward flow subassembly 10 between dust removal pond 4 and spray set 7, and the sewage in the dust removal pond 4 is after deposiing, and the clear water gets into spray set 7 through backward flow subassembly 10, recycles, the water economy resource.
In the technical scheme, dust-containing flue gas simultaneously enters a plurality of dust removing chambers 2, a spraying assembly 7 in each dust removing chamber 2 sprays and removes dust to the flue gas, a small part of the flue gas enters a water bath assembly 8 for dust removal, simultaneously water for spraying the flue gas enters the water bath assembly 8, water in the water bath assembly 8 flows into a dust removing pool 4, and water in the dust removing pool 4 is precipitated, filtered and supplemented with clean water and then flows back to the spraying assembly 7 for spraying; the gas containing mist in the dust removal box body 1 enters the mist removing chamber 3, is demisted through the corrugated plate in the mist removing chamber 3, and is discharged from the air outlet 6. Set up a plurality of clean rooms 2 in the dust removal box 1, every clean room 2 admits air respectively, mutual noninterference, and the flue gas gets into a plurality of clean rooms 2 simultaneously and removes dust, and the flue gas is separated into many shares, compares the flue gas and removes dust in a big dust removal box 1, and the contact area of flue gas with water has been increased in the independent dust removal of multichamber, reduces the wind speed that overflows on water surface, and it is more high-efficient to remove dust. Meanwhile, the dust chambers 2 can be vertically arranged, so that the transverse floor area of the dust removal box body 1 is reduced.
In another technical scheme, each dust chamber 2 is at least provided with two stages of spray assemblies 7 from top to bottom, the spray assemblies 7 are provided with a plurality of spray heads 71, and the spray heads 71 of the lowest stage of spray assembly 7 are higher than the air inlet 5. The dusty flue gas gets into clean room 2 from air intake 5, is sprayed by two-stage spray assembly 7 about at least and removes dust, and the multistage spray assembly 7 of every room plays multistage dust removal effect on the one hand, and on the other hand effectively eliminates the dust removal blind area of clean room 2, can also play the effect of continuous moisturizing to water bath subassembly 8. The arrangement that the air inlet 5 is lower than the spray header 71 enables the dust-containing flue gas to enter the dust removal chamber 2, and then the area of the flue gas sprayed is increased. The multi-chamber structure and the multi-layer spraying of each chamber increase the contact area of the dust-containing flue gas and water, the coverage rate of spraying water is improved, and then the dust removal effect is improved.
In another technical solution, as shown in fig. 3, the bottom of the water bath module 8 is a circulating water tank 81, and a perforated plate insertion structure 82 is arranged in the circulating water tank 81. Every clean room 2 disposes one set of water bath subassembly 8, and the water bath subassembly 8 of every room is mutual noninterference independent operation, and water bath subassembly 8 is circulating water tank 81, sets up porous plate plug-in structure 82 in circulating water tank 81, and on every clean room 2 cut apart the flue gas into a plurality of little unit processing the basis on the rethread porous plate plug-in structure 82 of water bath subassembly 8 cuts apart the flue gas into countless little unit once more, the dust removal of further refining.
In another technical solution, as shown in fig. 4, at least two demister 11 stages are arranged in the demisting chamber 3 from top to bottom, the demister 11 includes a support structure 111 and S-shaped plates 112, and the S-shaped plates 112 are arranged in the support structure 111. The demister 11 comprises a supporting structure 111, an S-shaped plate 112 is arranged in the supporting structure 111, after dust in the dust-containing flue gas is removed by the dust removing chamber 2, when the gas containing mist flows through the S-shaped plate 112 at a certain speed, due to the inertial impact of the gas, the mist collides with the S-shaped plate 112 and the collected liquid drops are large enough that the gravity generated by the liquid drops exceeds the resultant force of the rising force of the gas and the surface tension of the liquid, and the liquid drops are separated from the surface of the S-shaped plate 112.
In another technical scheme, an induced draft fan 15 is arranged outside the air outlet 6, and the air outlet 6 is communicated with a flue 16. The upper part of the demisting chamber 3 is communicated with the air outlet 6, the draught fan 15 is arranged outside the air outlet 6, and under the suction of the draught fan 15, the gas in the dedusting box body 1 enters the demisting chamber 3 from the opening 9 at the bottom of the demisting chamber 3, passes through the demisting chamber 3 and the air outlet 6, enters the flue 16 and is discharged from the flue 16.
In another technical scheme, the dust removal tank 4 is arranged at the lower part of the dust removal box body 1, and a drainage hopper 12 is arranged between the dust removal box body 1 and the dust removal tank 4. The water in the dust removing chamber 2 is discharged to the bottom of the dust removing box body 1 and enters the dust removing pool 4 through the water discharging hopper 12.
In another technical scheme, the dedusting pool 4 is provided with a water inlet 13 and a water outlet 14, the water inlet 13 is communicated with an external water source, and a sewage pump is arranged at the water outlet 14. Sewage enters a dust removal tank 4 and settles in the dust removal tank 4, the bottom of the dust removal tank 4 is provided with a water outlet 14, the water outlet 14 is communicated with a sewage pump, and the sewage pump regularly cleans the sludge in the dust removal tank 4; meanwhile, the dust removal tank 4 is provided with a water inlet 13 communicated with an external water source, and clean water is supplemented to reduce the sewage concentration of the dust removal tank 4.
In another technical solution, the backflow component 10 is a circulating water pump. The dust removal tank 4 is communicated with the spray assembly 7 through a circulating water pump, sewage in the dust removal tank 4 is settled, discharged and supplemented by clean water, so that water can reach the standard of recycling, and the water in the dust removal tank flows back to the spray assembly for spraying.
The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (8)
1. Multilayer locellus spray set, its characterized in that includes:
the dust removal box body is provided with a plurality of air inlets and an air outlet;
the dust chambers are longitudinally and sequentially arranged in the dust removing box body, the spraying assemblies and the water bath assemblies are arranged in the dust chambers from top to bottom, and one dust chamber corresponds to one air inlet;
the demisting chamber is arranged on one lateral side of the dust removal chambers, the bottom of the demisting chamber is provided with an opening communicated with the interior of the dust removal box body, the upper part of the demisting chamber is communicated with the air outlet, and the opening is lower than the height of the dust removal chamber at the lowest part;
and the dust removal tank is arranged on the bottom surface or the side surface of the dust removal box body and is used for receiving sewage in the dust removal box body, and the dust removal tank is communicated with the spraying assembly through a backflow assembly.
2. The multi-layer chamber-divided spray device of claim 1, wherein each dust chamber is provided with at least two stages of spray assemblies from top to bottom, the spray assemblies are provided with a plurality of spray heads, and the spray head of the lowest stage of spray assembly is higher than the air inlet.
3. The multi-layer chamber-divided spraying device as claimed in claim 1, wherein the bottom of the water bath component is a circulating water tank, and a perforated plate inserting structure is arranged in the circulating water tank.
4. The multi-layer chambered spray apparatus of claim 1, wherein the de-misting chamber is provided with at least two stages of de-misters from top to bottom, the de-misters comprising a support structure and an S-shaped plate disposed within the support structure.
5. The multi-layer chamber-divided spraying device according to claim 1, wherein an induced draft fan is arranged outside the air outlet, and the air outlet is communicated with the flue.
6. The multi-layer chamber-divided spraying device of claim 1, wherein the dedusting pool is arranged at the lower part of the dedusting box body, and a drainage hopper is arranged between the dedusting box body and the dedusting pool.
7. The multi-layered, chambered spray apparatus of claim 1, wherein said de-dusting tank has a water inlet and a water outlet, said water inlet being in communication with an external water source, said water outlet having a dredge pump disposed therein.
8. The multi-layered chambered spray apparatus of claim 1, wherein the return assembly is a circulating water pump.
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CN202222612181.6U CN218530293U (en) | 2022-09-30 | 2022-09-30 | Multi-layer chamber-divided spraying device |
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CN202222612181.6U CN218530293U (en) | 2022-09-30 | 2022-09-30 | Multi-layer chamber-divided spraying device |
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