CN117398798B - Kiln flue gas dust removal and filtration device and filtration method thereof - Google Patents
Kiln flue gas dust removal and filtration device and filtration method thereof Download PDFInfo
- Publication number
- CN117398798B CN117398798B CN202311716355.6A CN202311716355A CN117398798B CN 117398798 B CN117398798 B CN 117398798B CN 202311716355 A CN202311716355 A CN 202311716355A CN 117398798 B CN117398798 B CN 117398798B
- Authority
- CN
- China
- Prior art keywords
- pipe
- flue gas
- dust removal
- filtering
- turbulence
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 92
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 239000000428 dust Substances 0.000 title claims abstract description 91
- 239000003546 flue gas Substances 0.000 title claims abstract description 91
- 239000007789 gas Substances 0.000 claims abstract description 57
- 230000000903 blocking effect Effects 0.000 claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 238000005507 spraying Methods 0.000 claims abstract description 38
- 238000005406 washing Methods 0.000 claims abstract description 34
- 230000000712 assembly Effects 0.000 claims abstract description 25
- 238000000429 assembly Methods 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 106
- 239000000779 smoke Substances 0.000 claims description 60
- 238000004140 cleaning Methods 0.000 claims description 59
- 239000007921 spray Substances 0.000 claims description 37
- 238000003860 storage Methods 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000007790 scraping Methods 0.000 claims description 20
- 239000010865 sewage Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 15
- 238000001802 infusion Methods 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 8
- 230000002035 prolonged effect Effects 0.000 claims description 8
- 230000003111 delayed effect Effects 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 238000010008 shearing Methods 0.000 claims description 6
- 239000013049 sediment Substances 0.000 claims 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 239000012530 fluid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 18
- 239000002893 slag Substances 0.000 description 10
- 230000003068 static effect Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000006477 desulfuration reaction Methods 0.000 description 4
- 230000023556 desulfurization Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/72—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with backwash arms, shoes or nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/12—Washers with plural different washing sections
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kiln flue gas dust removal and filtration device and a filtration method thereof, which relate to the technical field of flue gas dust removal and filtration and comprise the following steps: the middle part of the inner wall of the filtering and dedusting tower is sequentially and equidistantly provided with a plurality of blocking discs from top to bottom; the extension turbulent flow mechanism comprises a plurality of extension turbulent flow assemblies and a fixed rod penetrating through the extension turbulent flow assemblies, and the extension turbulent flow assemblies are respectively positioned between the upper and lower adjacent blocking discs; and the spraying mechanism is arranged on the filtering dust-removing tower. The device greatly prolongs the flow path of the kiln gas, prolongs the residence time of the kiln gas between the upper and lower adjacent blocking plates, and simultaneously, the porous turbulence plate on the delay turbulence assembly can effectively stir and impact the washing liquid and the kiln gas and form turbulence, thereby greatly improving the mixing effect between the washing liquid and the kiln gas and the treatment effect on the kiln gas.
Description
Technical Field
The invention relates to the technical field of flue gas dust removal and filtration, in particular to a kiln flue gas dust removal and filtration device and a filtration method thereof.
Background
Kiln refers to a furnace for firing ceramic ware and sculptures or fusing enamel to the surface of the ware. Kiln flue gas is one of the important sources of atmospheric pollutants in China. The kiln gas contains a large amount of dust and SO 2 And the direct emission of NOx and the like is easy to pollute the atmosphere, so that the flue gas of the kiln needs to be subjected to dust removal and filtration before being discharged.
At present, most of the existing dust removal and filtration treatment methods for kiln flue gas adopt a bag type dust remover to filter the flue gas, and then the filtered flue gas is washed in a spray washing mode, so that dust in the flue gas is effectively reduced, desulfurization treatment is carried out, but the bag type dust remover is easy to damage at high temperature due to high temperature when the kiln flue gas is discharged, and the bag type dust remover is directly used for filtration, and the device has a limited volume during spray washing, so that the residence time of the flue gas in the device is short, and meanwhile, the flue gas impacts spray liquid, so that spray dispersed washing liquid cannot uniformly contact with the flue gas in a short time, the washing effect on the flue gas is poor, and the treatment effect on the flue gas is reduced.
Disclosure of Invention
The invention aims to provide a dust-removing and filtering device for kiln flue gas and a filtering method thereof, which are used for solving the problems that the bag type dust collector is easy to damage at high temperature when the bag type dust collector is directly used for filtering, the residence time of the flue gas in the device is short due to the limited volume of the device during spray washing, and meanwhile, the flue gas impacts spray liquid, so that the spray dispersed washing liquid cannot uniformly contact with the flue gas in a short time, the washing effect on the flue gas is poor, and the treatment effect on the flue gas is reduced.
In order to achieve the above object, the present invention provides the following technical solutions: a kiln flue gas dust removal filter device, comprising:
the filter dust removal tower is characterized in that a plurality of blocking discs are fixed in the middle of the inner wall of the filter dust removal tower at equal intervals from top to bottom in sequence, an air vent is formed in the middle of each blocking disc, a smoke inlet pipe is arranged at the lower part of the left side of the filter dust removal tower, and a smoke exhaust pipe is arranged at the upper part of the right side of the filter dust removal tower;
the extension turbulence mechanism is arranged in the filtering dust removal tower and comprises a plurality of extension turbulence assemblies and a fixed rod penetrating through the extension turbulence assemblies, and the extension turbulence assemblies are respectively positioned between the upper and lower adjacent two blocking discs;
the spraying mechanism is arranged on the filtering dust-removing tower;
the filtering mechanism comprises a filter screen component and a cleaning component for cleaning the filter screen component, the bottom end of the cleaning component is connected with the top end of the uppermost extended-range turbulence component, and the bottom of the filter screen component is connected with a pollution discharge component;
and the driving mechanism is used for driving the cleaning assembly and the delay turbulence assembly to rotate.
Preferably, the extended-range turbulence assembly comprises a hollow conical disc, a connecting sleeve is fixed at the top end of the hollow conical disc, a first helical blade is fixedly sleeved on the outer side of the connecting sleeve, a plurality of shearing holes are formed in the first helical blade, the first helical blade rotates to generate downward acting force, the speed of kiln flue gas passing through a vent is delayed, the residence time of the kiln flue gas between the upper blocking disc and the lower blocking disc is prolonged, meanwhile, the kiln flue gas is impacted when the first helical blade rotates, and part of kiln flue gas passes through the shearing holes in the first helical blade, so that the kiln flue gas is dispersed;
the upper end through air vent of the connecting sleeve is connected with the bottom of the hollow conical disk above the connecting sleeve, and the inner cavity of the connecting sleeve is communicated with the inner cavity of the hollow conical disk connected up and down;
the connecting sleeve pipe at the uppermost part is connected with the bottom end of the cleaning assembly through the air vent, and each hollow conical disc and the connecting sleeve pipe thereof are rotationally sleeved on the fixed rod;
the cleaning assembly can rotate and simultaneously drive the extended range turbulence assembly below the cleaning assembly to rotate, and the extended range turbulence assembly can drive the extended range turbulence assembly connected with the bottom of the cleaning assembly to rotate;
The inside of the hollow conical disc is provided with a transmission cavity, a stationary gear is fixedly sleeved on a rod body of the fixed rod in each transmission cavity, the left side and the right side of the stationary gear are respectively meshed with a transmission gear, the middle part of each transmission gear is fixedly penetrated with a transmission rod, the upper end and the lower end of each transmission rod respectively rotate to penetrate through the upper side wall and the lower side wall of each transmission cavity and extend out of the hollow conical disc, and porous turbulence plates are respectively fixed on the left side and the right side of the rod body of each transmission rod outside the hollow conical disc;
each extension turbulence assembly rotates, a hollow conical disk on the extension turbulence assembly rotates to drive a transmission rod on the extension turbulence assembly to rotate, a transmission gear in the middle of the transmission rod rotates around a static gear on a fixed rod, and the transmission gear is meshed with the static gear to enable the transmission gear to rotate, so that the transmission rod rotates along with the rotation of the hollow conical disk, a porous turbulence plate on the transmission rod is driven to rotate in the rotating process of the transmission rod, and the porous turbulence plate rotates to stir and impact kiln flue gas and washing liquid, so that the kiln flue gas and the washing liquid are effectively mixed.
Preferably, a supporting sleeve is fixed in the middle of the lower side of the hollow conical disk at the lowest position, the lower end of the supporting sleeve penetrates through the air vent to be rotationally connected with the supporting disk, a plurality of supporting rods are fixed on the side wall of the supporting disk at equal intervals, one end of each supporting rod, far away from the supporting disk, is connected with the inner wall of the filtering and dust removing tower, and the lower end of each fixing rod penetrates through the supporting sleeve to be fixedly connected with the supporting disk, so that the extended-range turbulence assembly and the fixing rods are stably installed;
The smoke inlet pipe is positioned below the hollow conical disc at the lowest part.
Preferably, the spraying mechanism comprises a transfusion main pipe arranged outside the filtering and dedusting tower and annular spraying pipes arranged between the upper and lower adjacent blocking disks, wherein the number of the annular spraying pipes between the upper and lower adjacent blocking disks is two, the two annular spraying pipes are respectively positioned at the upper and lower sides of the hollow conical disk, transfusion branch pipes are connected to the positions, corresponding to the annular spraying pipes, of the transfusion main pipe, each transfusion branch pipe respectively penetrates through the side wall of the filtering and dedusting tower and is connected with the corresponding annular spraying pipe, and a plurality of spray heads are arranged on the inner annular wall of the annular spraying pipe at equal intervals;
the infusion main pipe is connected with an external washing liquid conveying pipe, external washing water enters each annular spray pipe through the infusion main pipe, is sprayed out by a spray head on the annular spray pipe, washes and removes dust on kiln flue gas, and simultaneously carries out desulfurization treatment on the flue gas;
the upper side of the blocking disc is provided with a conical cavity, the vent is arranged in the middle of the lower side of the conical cavity, and after sewage generated by washing falls into the conical cavity on the upper side of the blocking disc, the sewage can flow along the inner wall of the conical cavity and then falls through the vent, so that the sewage generated by washing is prevented from accumulating on the surface of the blocking disc;
The side wall bottom of the filtering and dedusting tower is connected with a drain pipe, a drain valve is arranged on the drain pipe, and the drain valve is opened, so that the sewage accumulated at the bottom of the inner cavity of the filtering and dedusting tower can be conveniently discharged from the drain pipe.
Preferably, the filter screen assembly comprises a mounting disc, the side wall of the mounting disc is fixedly connected with the inner wall of the filtering and dust removing tower, the middle part of the mounting disc is provided with an air outlet, the middle part of the lower side of the mounting disc is fixedly provided with a first net barrel, the middle part of the upper side of the mounting disc is fixedly provided with a second net barrel, the inner cavity of the second net barrel is communicated with the first net barrel through the air outlet, the mesh diameter of the second net barrel is smaller than that of the first net barrel, the first net barrel and the second net barrel can perform double filtration on flue gas, the treatment effect on the flue gas is improved, and meanwhile, the filtering area is large;
a first filter cavity is formed between the lower side of the mounting plate and the blocking plate positioned at the uppermost part, a second filter cavity is formed in the space, above the mounting plate, of the interior of the filtering dust removal tower, the first net barrel is positioned in the first filter cavity, and the second net barrel is positioned in the second filter cavity;
the washed flue gas enters the first filter cavity, passes through the meshes of the first net barrel and enters the first net barrel, the first net barrel filters the washed flue gas to intercept water drops and unwashed dust particles in the flue gas, the flue gas in the first net barrel passes through the air outlet and enters the second net barrel, passes through the meshes of the second net barrel and enters the second filter cavity, and the second net barrel further intercepts water drops and unwashed dust particles in the flue gas, so that the treatment effect on the flue gas is improved;
The inner cavity of the smoke exhaust pipe is communicated with the second filter cavity, and smoke in the second filter cavity is exhausted through the smoke exhaust pipe.
Preferably, the cleaning assembly comprises a transmission pipe, the lower end of the transmission pipe sequentially rotates to penetrate through the air outlet and the first net barrel to be connected with the connecting sleeve at the uppermost part, the upper end of the transmission pipe sequentially rotates to penetrate through the second net barrel and the top wall of the filtering and dust removing tower to be connected with a rotary joint, the top end of the rotary joint is connected with a gas transmission pipe, one end of the gas transmission pipe far away from the rotary joint is connected with a blower, the blower is arranged at the top of the filtering and dust removing tower, a pipe body of the transmission pipe in the second net barrel is fixedly sleeved with two second helical blades, the second helical blades penetrate through the air outlet to extend into the first net barrel, a pipe body of the transmission pipe in the first net barrel is fixedly provided with a connecting pipe, one end of the connecting pipe far away from the transmission pipe is connected with a gas spraying pipe, the inner cavity of the gas spraying pipe is communicated with the inner cavity of the transmission pipe, and one side of the gas spraying pipe far away from the connecting pipe is fixedly provided with a plurality of gas spraying heads from top to bottom at equal intervals;
the second helical blade is driven to rotate when the transmission pipe rotates, meanwhile, the air injection pipe is driven to rotate through the connecting pipe when the transmission pipe rotates, air is input into the air transmission pipe through the air blower when the air blower works, the air enters the air injection pipe through the rotary joint and then enters the air injection pipe through the connecting pipe, and the air injection head ejects the air to blow the wall of the first net barrel, so that water drops and impurities attached to the outer wall of the first net barrel can be cleaned;
The top of the second spiral blade is fixedly provided with a first cleaning scraping strip, the first cleaning scraping strip is in contact with the inner wall of the top of the second net barrel, the outer side edge of the second spiral blade is fixedly provided with a second cleaning scraping strip, the second cleaning scraping strip is in contact with the inner walls of the first net barrel and the second net barrel, and the blade body of the second spiral blade is provided with a strip opening;
when the second helical blade rotates, the first cleaning scraping strip can clean the inner wall of the top of the second net barrel, the second cleaning scraping strip can clean the inner walls of the first net barrel and the second net barrel, and the second helical blade impacts smoke when rotating, part of smoke passes through the strip opening, so that the dispersion of the smoke is facilitated, the smoke passes through the second net barrel, and the smoke filtering effect is achieved;
the supporting plates are connected between the upper part and the lower part of the air jet pipe and the transmission pipe, so that the connection strength between the air jet pipe and the transmission pipe is improved, and the installation stability of the air jet pipe is improved.
Preferably, the sewage disposal assembly comprises a slag discharge pipeline, the upper part of the left side of the slag discharge pipeline is fixedly connected with the bottom of the first net barrel, the inner cavity of the slag discharge pipeline is communicated with the inner cavity of the first net barrel, the right end of the slag discharge pipeline penetrates through the side wall of the filtering dust removal tower to be connected with a sewage storage tank, the bottom of the sewage storage tank is provided with a drain pipe, a valve is arranged on the drain pipe, and an observation window is arranged on the sewage storage tank;
The dirt produced by cleaning in the first net drum and the second net drum can fall into a slag discharge pipeline and then enter a dirt storage tank for collection, a viewing window on the dirt storage tank is convenient for checking the dirt collected in the dirt storage tank, and a valve on a drain pipe is opened to facilitate the discharge of the dirt in the dirt storage tank;
the transmission pipe rotates to penetrate through the slag discharge pipeline, and the slag discharge pipeline is of an inclined structure with low right and high left, so that stains collected in the slag discharge pipeline can flow into the dirt storage tank along the inner wall of the slag discharge pipeline;
the dirt storage tank is fixedly connected with the outer side wall of the filtering dust removal tower, so that the stability of the installation of the dirt storage tank is improved.
Preferably, the driving mechanism comprises a fixing frame, a driving motor and a driven gear, the driven gear is fixedly sleeved at the upper end of the transmission pipe, the fixing frame is fixed at the top of the filtering dust removal tower, the driving motor is arranged on the fixing frame, the output end of the driving motor penetrates through the fixing frame and is connected with a driving gear, the driving gear is meshed with the driven gear, the driving motor works to drive the driving gear to rotate, and the driving gear is meshed with the driven gear to drive the transmission pipe to rotate;
one end of the gas pipe, which is close to the rotary joint, fixedly penetrates through the fixing frame, so that the stability of the gas pipe installation is improved.
A filtering method of a dust removal and filtration device for kiln flue gas comprises the following steps:
step one: the method comprises the steps that a smoke inlet pipe is connected with a kiln smoke output pipeline, kiln smoke enters a filtering dust removing tower through the smoke inlet pipe, then a transfusion main pipe is connected with an external washing liquid conveying pipe, a driving motor in a driving mechanism works, the driving motor works to drive a transmission pipe to rotate through meshing between a driving gear and a driven gear, the transmission pipe rotates to drive a cleaning assembly to rotate, and the cleaning assembly rotates to drive a delay turbulence assembly to rotate;
step two: after entering the filter dust removing tower through the smoke inlet pipe, the smoke sequentially passes through the air vents on each blocking disc and the delay turbulence assemblies between the upper blocking disc and the lower blocking disc, the plurality of delay turbulence assemblies and the plurality of blocking discs are matched to prolong the flow path of the kiln smoke, in the process of drifting between the upper blocking disc and the lower blocking disc, external washing water enters each annular spray pipe through the infusion header pipe, the external washing water is sprayed out by the spray heads on the annular spray pipes, the kiln smoke is washed and dedusted, meanwhile, the delay turbulence assemblies rotate, the hollow conical discs on the delay turbulence assemblies rotate to drive the transmission rods on the delay turbulence assemblies to rotate, the transmission gears in the middle of the transmission rods rotate around the static gears on the fixed rods, and are meshed with the static gears to enable the transmission gears to rotate along with the rotation of the hollow conical discs, the porous turbulence plates on the transmission rods rotate in the rotating process, the kiln smoke and the washing liquid are effectively mixed, and the first spiral blades on the delay turbulence assemblies to generate downward resistance to the kiln smoke, and the kiln smoke passes through the air vents;
Step three: the kiln gas enters a first filter cavity after being sprayed and washed, passes through meshes of a first net barrel and enters the first net barrel, the first net barrel filters the washed kiln gas to intercept water drops and unwashed dust particles in the kiln gas, the kiln gas in the first net barrel passes through an air outlet and enters a second net barrel, passes through meshes of the second net barrel and enters a second filter cavity, the second net barrel further intercepts water drops and unwashed dust particles in the kiln gas, and meanwhile, a transmission pipe rotates to drive a second helical blade and an air injection pipe to rotate, and the second helical blade cleans the inner wall of the second net barrel and the inner wall of the first net barrel;
step four: the air blower intermittently works, the air blower inputs air into the air conveying pipe, the air enters the air conveying pipe through the rotary joint, then enters the air spraying pipe through the connecting pipe, and is sprayed out by the air spraying head to blow the wall of the first net barrel, so that water drops and impurities attached to the outer wall of the first net barrel can be cleaned;
step five: and smoke in the second filter cavity is discharged through the smoke discharge pipe.
In the technical scheme, the invention has the technical effects and advantages that:
1. the spray mechanism, the extension turbulence mechanism and the plurality of blocking discs are arranged in the filtering dust removing tower, the plurality of extension turbulence assemblies and the plurality of blocking discs on the extension turbulence mechanism are arranged at intervals, so that the flow path of kiln gas is greatly prolonged, the first helical blades on the extension turbulence assemblies rotate to generate downward acting force, the speed of kiln gas passing through the air vent is delayed, the residence time of the kiln gas between the upper and lower adjacent blocking discs is prolonged, the contact efficiency between washing liquid and kiln gas is improved, and meanwhile, the porous turbulence plates on the extension turbulence assemblies do circular motion around the fixed rod while rotating, so that the washing liquid and kiln gas can be effectively stirred and impacted, turbulence is formed, the mixing effect between the washing liquid and the kiln gas is greatly improved, and the treatment effect on the kiln gas is improved;
2. The filtering mechanism is arranged above the extended-range turbulent flow mechanism, and a filter screen component in the filtering mechanism can perform double filtration on the washed flue gas, so that the treatment effect on the kiln flue gas is further improved;
3. through being provided with clearance subassembly and blowdown subassembly in filtering mechanism, the clearance subassembly can clear up the spot that filters the production on the filter screen subassembly effectively to improve the filter effect of filter screen subassembly to the flue gas, the spot of clearance is collected in the blowdown subassembly, and convenient the discharge.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a cross-sectional view of a dust filter device of the present invention;
FIG. 2 is a schematic diagram of a dust-removing filter device according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of a blocker plate of the present invention;
FIG. 5 is a schematic view of a delay turbulence mechanism according to the present invention;
FIG. 6 is a cross-sectional view of a prolonged turbulent flow mechanism according to the present invention;
FIG. 7 is a schematic view of the connection of a stationary gear to a stationary rod in accordance with the present invention;
FIG. 8 is a schematic view of a extended reach turbulent flow assembly according to the present invention;
FIG. 9 is a schematic diagram of the connection of a transmission gear to a transmission rod according to the present invention;
FIG. 10 is a schematic view of a spray mechanism of the present invention;
FIG. 11 is a schematic view of a filtration mechanism of the present invention;
FIG. 12 is a cross-sectional view of a filtration mechanism of the present invention;
FIG. 13 is a schematic view of a cleaning assembly according to the present invention.
Reference numerals illustrate:
10. a filtering dust-removing tower; 11. a blocking disk; 111. a vent; 112. a conical cavity; 12. a smoke inlet pipe; 13. a smoke exhaust pipe; 14. a blow-down pipe; 15. a first filter chamber; 16. a second filter chamber;
20. a delay turbulence mechanism; 21. a extended range turbulence assembly; 211. a hollow conical disc; 212. a connection sleeve; 213. a first helical blade; 214. shearing the hole; 215. a transmission cavity; 216. a transmission gear; 217. a transmission rod; 218. a porous turbulence plate; 22. a fixed rod; 221. a stationary gear; 23. a support sleeve; 24. a support plate; 25. a support rod;
30. a spraying mechanism; 31. a transfusion main pipe; 32. an annular spray pipe; 33. an infusion branch pipe; 34. a spray head;
40. a filtering mechanism; 41. a screen assembly; 411. a mounting plate; 412. an air outlet; 413. a first net drum; 414. a second net drum; 42. cleaning the assembly; 421. a transmission tube; 422. a rotary joint; 423. a gas pipe; 424. a blower; 425. a second helical blade; 4251. a first cleaning scraping bar; 4252. a second cleaning scraping bar; 4253. a strip opening; 426. a connecting pipe; 427. a gas lance; 428. a jet head; 429. a support plate; 43. a blowdown assembly; 431. a slag discharge pipeline; 432. a dirt storage tank; 4321. a drain tube;
50. A driving mechanism; 51. a fixing frame; 52. a driving motor; 53. a driven gear; 54. a driving gear.
Detailed Description
In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
The invention provides a kiln flue gas dust removal and filtration device as shown in fig. 1 to 11, which comprises:
the filter dust removal tower 10, wherein a plurality of blocking discs 11 are fixed at equal intervals in the middle of the inner wall of the filter dust removal tower 10 from top to bottom, the middle of each blocking disc 11 is provided with a vent 111, the lower part of the left side of the filter dust removal tower 10 is provided with a smoke inlet pipe 12, and the upper part of the right side of the filter dust removal tower 10 is provided with a smoke exhaust pipe 13;
the extension turbulence mechanism 20 is arranged in the filtering dust removal tower 10, the extension turbulence mechanism 20 comprises a plurality of extension turbulence assemblies 21 and a fixed rod 22 penetrating through the extension turbulence assemblies 21 in sequence, and the extension turbulence assemblies 21 are respectively arranged between the upper and lower adjacent barrier discs 11;
the spraying mechanism 30 is arranged on the filtering dust-removing tower 10;
the filtering mechanism 40 comprises a filter screen assembly 41 and a cleaning assembly 42 for cleaning the filter screen assembly 41, wherein the bottom end of the cleaning assembly 42 is connected with the top end of the uppermost extended-range turbulence assembly 21, and the bottom of the filter screen assembly 41 is connected with a pollution discharge assembly 43;
The driving mechanism 50, the driving mechanism 50 is used for driving the cleaning assembly 42 and the extended turbulent flow assembly 21 to rotate.
The extended-range turbulence assembly 21 comprises a hollow conical disc 211, a connecting sleeve 212 is fixed at the top end of the hollow conical disc 211, a first spiral blade 213 is fixedly sleeved on the outer side of the connecting sleeve 212, a plurality of shearing holes 214 are formed in the first spiral blade 213, the first spiral blade 213 rotates to generate downward acting force, the speed of kiln flue gas passing through the air vent 111 is delayed, the residence time of the kiln flue gas between the upper blocking disc 11 and the lower blocking disc 11 is prolonged, meanwhile, the first spiral blade 213 impacts the kiln flue gas when rotating, and part of the kiln flue gas passes through the shearing holes 214 on the first spiral blade 213, so that the kiln flue gas is dispersed;
the upper end of the connecting sleeve 212 penetrates through the vent 111 and is connected with the bottom of the hollow conical disk 211 above the vent, and the inner cavity of the connecting sleeve 212 is communicated with the inner cavity of the hollow conical disk 211 connected up and down;
the uppermost connecting sleeve 212 penetrates through the air vent 111 and is connected with the bottom end of the cleaning assembly 42, and each hollow conical disc 211 and the connecting sleeve 212 thereof are rotatably sleeved on the fixed rod 22;
the cleaning component 42 can rotate and simultaneously drive the extended range turbulence component 21 below the cleaning component to rotate, and the extended range turbulence component 21 can rotate and drive the extended range turbulence component 21 connected with the bottom of the cleaning component to rotate;
A transmission cavity 215 is arranged in the hollow conical disc 211, a stationary gear 221 is fixedly sleeved on a rod body of the fixed rod 22 in each transmission cavity 215, transmission gears 216 are meshed on the left side and the right side of the stationary gear 221, a transmission rod 217 is fixedly penetrated through the middle part of each transmission gear 216, the upper end and the lower end of each transmission rod 217 respectively rotate and penetrate through the upper side wall and the lower side wall of each transmission cavity 215 to extend out of the hollow conical disc 211, and porous turbulence plates 218 are fixedly arranged on the left side and the right side of the rod body of each transmission rod 217 outside the hollow conical disc 211;
each extended turbulent flow assembly 21 rotates, the hollow conical disk 211 on the extended turbulent flow assembly 21 rotates to drive the transmission rod 217 on the extended turbulent flow assembly to rotate, the transmission gear 216 in the middle of the transmission rod 217 rotates around the static gear 221 on the fixed rod 22, and the transmission gear 216 is meshed with the static gear 221 to enable the transmission gear 216 to rotate, so that the transmission rod 217 rotates along with the rotation of the hollow conical disk 211, the porous turbulent flow plate 218 on the transmission rod 217 is driven to rotate in the rotating process of the transmission rod 217, and the porous turbulent flow plate 218 rotates to stir and impact kiln flue gas and washing liquid, so that the kiln flue gas and the washing liquid are effectively mixed.
A supporting sleeve 23 is fixed in the middle of the lower side of the lowest hollow conical disc 211, a supporting disc 24 is rotatably connected with the lower end of the supporting sleeve 23 through a ventilation opening 111, a plurality of supporting rods 25 are fixed on the side wall of the supporting disc 24 at equal intervals, one end of each supporting rod 25 far away from the supporting disc 24 is connected with the inner wall of the filtering and dust removing tower 10, and the lower end of each fixing rod 22 is fixedly connected with the supporting disc 24 through the supporting sleeve 23, so that the extended-range turbulence assembly 21 and the fixing rod 22 are stably installed;
The smoke inlet pipe 12 is positioned below the hollow conical disk 211 positioned at the lowest position.
The spray mechanism 30 comprises a transfusion main pipe 31 arranged outside the filtering and dust removing tower 10 and annular spray pipes 32 arranged between the upper and lower adjacent baffle plates 11, wherein the number of the annular spray pipes 32 arranged between the upper and lower adjacent baffle plates 11 is two, the two annular spray pipes 32 are respectively positioned at the upper and lower sides of the hollow conical plate 211, the transfusion main pipe 31 is connected with transfusion branch pipes 33 corresponding to the positions of the annular spray pipes 32, the transfusion branch pipes 33 respectively penetrate through the side wall of the filtering and dust removing tower 10 and are connected with the corresponding annular spray pipes 32, and a plurality of spray heads 34 are arranged on the inner annular wall of the annular spray pipes 32 at equal intervals;
the upper side of the blocking disc 11 is provided with a conical cavity 112, the air vent 111 is arranged in the middle of the lower side of the conical cavity 112, and after the sewage generated by washing falls into the conical cavity 112 on the upper side of the blocking disc 11, the sewage can flow along the inner wall of the conical cavity 112 and then fall through the air vent 111, so that the sewage generated by washing is prevented from accumulating on the surface of the blocking disc 11;
the bottom of the side wall of the filtering and dedusting tower 10 is connected with a drain pipe 14, a drain valve is arranged on the drain pipe 14, and the drain valve is opened, so that sewage accumulated at the bottom of the inner cavity of the filtering and dedusting tower 10 can be conveniently discharged from the drain pipe 14.
In the invention, a smoke inlet pipe 12 is connected with a kiln smoke output pipeline, kiln smoke enters a filtering dust removing tower 10 through the smoke inlet pipe 12, sequentially passes through air vents 111 on each blocking disc 11 and a delay turbulence assembly 21 between two upper and lower adjacent blocking discs 11, meanwhile, an infusion main pipe 31 is connected with an external washing liquid conveying pipe, external washing water enters each annular spray pipe 32 through the infusion main pipe 31, is sprayed out by a spray head 34 on the annular spray pipe 32, washes and removes dust to the kiln smoke, and simultaneously carries out desulfurization treatment to the smoke;
the plurality of extension turbulence components 21 and the plurality of blocking disks 11 are arranged at intervals up and down, the flow path of kiln flue gas is greatly prolonged, meanwhile, the driving mechanism 50 works to drive the cleaning component 42 to rotate, the cleaning component 42 rotates to drive the extension turbulence component 21 to rotate, the extension turbulence component 21 rotates to drive the hollow conical disk 211 on the hollow conical disk 211 to rotate, the hollow conical disk 211 rotates to drive the transmission rod 217 on the hollow conical disk to rotate, the transmission gear 216 in the middle of the transmission rod 217 rotates around the stationary gear 221 on the fixed rod 22, the transmission gear 216 is meshed with the stationary gear 221 to enable the transmission rod 216 to rotate, the transmission rod 217 rotates along with the rotation of the hollow conical disk 211, the porous turbulence plate 218 on the transmission rod 217 is driven to rotate in the rotating process of the transmission rod 217, the multi Kong Wenliu plate 218 rotates and simultaneously makes circular motion around the fixed rod 22, the cleaning solution and the kiln gas can be effectively stirred and impacted, turbulence is formed, the full contact of the cleaning solution and the kiln gas is facilitated, meanwhile, the turbulence prolongs the residence time of the kiln gas, the first helical blades 213 on the extended turbulent flow component 21 rotate to generate downward acting force, the speed of the kiln gas passing through the air vent 111 is delayed, the residence time of the kiln gas between the upper and lower adjacent blocking discs 11 is further prolonged, the mixing effect of the cleaning solution and the kiln gas is greatly improved, the kiln gas is effectively washed, the kiln gas is effectively cooled, dust in the kiln gas is reduced, the upper side of the blocking disc 11 is provided with a conical cavity 112 for desulfurization treatment, the upper side surface of the hollow conical disc 211 is a conical surface, so that sewage generated by washing can smoothly flow downwards, the accumulation of sewage on the upper side of the hollow conical disk 211 and the upper side of the blocking disk 11 is avoided.
As shown in fig. 1 to 4, 6 and 11 to 13, the filter screen assembly 41 comprises a mounting plate 411, the side wall of the mounting plate 411 is fixedly connected with the inner wall of the filter dust removal tower 10, an air outlet 412 is formed in the middle of the mounting plate 411, a first net barrel 413 is fixed in the middle of the lower side of the mounting plate 411, a second net barrel 414 is fixed in the middle of the upper side of the mounting plate 411, the inner cavity of the second net barrel 414 is communicated with the first net barrel 413 through the air outlet 412, the mesh diameter of the second net barrel 414 is smaller than that of the first net barrel 413, the first net barrel 413 and the second net barrel 414 can perform double filtration on flue gas, the treatment effect on the flue gas is improved, and meanwhile, the filtering area is large;
a first filter cavity 15 is formed between the lower side of the mounting plate 411 and the uppermost blocking plate 11, a second filter cavity 16 is formed in the space, above the mounting plate 411, of the interior of the filter dust removal tower 10, the first net drum 413 is positioned in the first filter cavity 15, and the second net drum 414 is positioned in the second filter cavity 16;
the inner cavity of the smoke exhaust pipe 13 is communicated with the second filter cavity 16, and the smoke in the second filter cavity 16 is exhausted through the smoke exhaust pipe 13.
The cleaning assembly 42 comprises a transmission pipe 421, the lower end of the transmission pipe 421 sequentially rotates to penetrate through an air outlet 412 and a first net barrel 413 to be connected with a connecting sleeve 212 positioned at the uppermost part, the upper end of the transmission pipe 421 sequentially rotates to penetrate through a second net barrel 414 and the top wall of the filtering and dust removing tower 10, a rotary joint 422 is connected with a gas pipe 423, one end, far away from the rotary joint 422, of the gas pipe 423 is connected with a blower 424, the blower 424 is arranged at the top of the filtering and dust removing tower 10, a pipe body of the transmission pipe 421 in the second net barrel 414 is fixedly sleeved with two second spiral blades 425, the second spiral blades 425 penetrate through the air outlet 412 to extend into the first net barrel 413, the pipe body of the transmission pipe 421 in the first net barrel 413 is fixedly provided with a connecting pipe 426, one end, far away from the transmission pipe 421, of the connecting pipe 426 is connected with a gas spraying pipe 427, the inner cavity of the gas spraying pipe 427 is communicated with the inner cavity of the transmission pipe 421, and one side, far away from the connecting pipe 426, of the gas spraying pipe 427 is fixedly provided with a plurality of gas spraying heads 428 from top to bottom at equal intervals;
The top of the second helical blade 425 is fixed with a first cleaning scraping strip 4251, the first cleaning scraping strip 4251 is in contact with the inner wall of the top of the second net barrel 414, the outer side edge of the second helical blade 425 is fixed with a second cleaning scraping strip 4252, the second cleaning scraping strip 4252 is in contact with the inner walls of the first net barrel 413 and the second net barrel 414, and the blade body of the second helical blade 425 is provided with a strip opening 4253;
the supporting plates 429 are connected between the upper part and the lower part of the air jet pipe 427 and the transmission pipe 421, so that the connection strength between the air jet pipe 427 and the transmission pipe 421 is improved, and the installation stability of the air jet pipe 427 is improved.
The blowdown assembly 43 comprises a deslagging pipeline 431, wherein the upper part of the left side of the deslagging pipeline 431 is fixedly connected with the bottom of the first net drum 413, the inner cavity of the deslagging pipeline 431 is communicated with the inner cavity of the first net drum 413, the right end of the deslagging pipeline 431 penetrates through the side wall of the filtering dust removal tower 10 and is connected with a sewage storage tank 432, a drain pipe 4321 is arranged at the bottom of the sewage storage tank 432, a valve is arranged on the drain pipe 4321, and an observation window is arranged on the sewage storage tank 432;
the transmission pipe 421 rotates to penetrate through the deslagging pipeline 431, and the deslagging pipeline 431 is of an inclined structure with low right and high left, so that stains collected in the deslagging pipeline 431 can flow into the dirt storage tank 432 along the inner wall of the deslagging pipeline 431;
The dirt storage tank 432 is fixedly connected with the outer side wall of the filtering dust removing tower 10, so that the stability of the installation of the dirt storage tank 432 is improved.
The driving mechanism 50 comprises a fixing frame 51, a driving motor 52 and a driven gear 53, wherein the driven gear 53 is fixedly sleeved at the upper end of a transmission pipe 421, the fixing frame 51 is fixed at the top of the filtering dust-removing tower 10, the driving motor 52 is arranged on the fixing frame 51, the output end of the driving motor 52 penetrates through the fixing frame 51 and is connected with a driving gear 54, and the driving gear 54 is meshed with the driven gear 53;
one end of the air pipe 423, which is close to the rotary joint 422, fixedly penetrates through the fixing frame 51, so that the stability of the installation of the air pipe 423 is improved.
In the invention, kiln gas enters the first filter cavity 15 after being sprayed and washed, passes through the meshes of the first net drum 413 and enters the first net drum 413, the first net drum 413 filters the washed gas, water drops and unwashed dust particles in the gas are intercepted, the gas in the first net drum 413 passes through the gas outlet 412 and enters the second net drum 414, passes through the meshes of the second net drum 414 and enters the second filter cavity 16, the second net drum 414 further intercepts water drops and unwashed dust particles in the gas, and the second net drum 414 and the first net drum 413 are matched for use to form double filtration, so that the treatment effect on the gas is improved, and the filtering area is large;
Meanwhile, the driving motor 52 works to drive the driving gear 54 to rotate, the driving gear 54 rotates to drive the driving pipe 421 to rotate through the engagement between the driving gear 54 and the driven gear 53, the driving pipe 421 drives the second spiral blade 425 to rotate when rotating, the second spiral blade 425 rotates to drive the first cleaning scraping strip 4251 and the second cleaning scraping strip 4252 to synchronously rotate, the first cleaning scraping strip 4251 can clean the inner wall of the top of the second net drum 414, the second cleaning scraping strip 4252 can clean the inner walls of the first net drum 413 and the second net drum 414, the second spiral blade 425 impacts smoke when rotating, part of smoke passes through the strip opening 4253, dispersion of the smoke is facilitated, the smoke is facilitated to pass through the second net drum 414, and therefore the smoke filtering effect is achieved, meanwhile, the driving pipe 421 rotates to drive the air spraying pipe 427 through the connecting pipe 426, the air blower 424 works to input air into the air conveying pipe 423, the air enters the driving pipe 421 through the rotating joint 422, and then enters the air spraying pipe 427 through the connecting pipe 426, and water drops are sprayed out of the air spraying head 428, the wall of the first net drum 413 can clean the outer wall of the first net drum 413, and impurities are adhered to the first net drum and impurities are blown out by the air spraying heads 428.
The dirt produced by cleaning in the first net barrel 413 and the second net barrel 414 can fall into the deslagging pipeline 431 and then enter the dirt storage tank 432 to be collected, a viewing window on the dirt storage tank 432 is convenient for checking the dirt collected in the dirt storage tank 432, and a valve on the drain pipe 4321 is opened to facilitate discharging the dirt in the dirt storage tank 432.
As shown in fig. 1 to 13, a filtering method of a dust removal and filtration device for kiln flue gas comprises the following steps:
step one: connecting a smoke inlet pipe 12 with a kiln smoke output pipeline, enabling kiln smoke to enter the filtering dust removing tower 10 through the smoke inlet pipe 12, connecting a transfusion main pipe 31 with an external washing liquid conveying pipe, simultaneously enabling a driving motor 52 in a driving mechanism 50 to work, enabling the driving motor 52 to work to drive a driving pipe 421 to rotate through meshing between a driving gear 54 and a driven gear 53, enabling the driving pipe 421 to rotate to drive a cleaning assembly 42 to rotate, and enabling the cleaning assembly 42 to rotate to drive a delay turbulence assembly 21 to rotate;
step two: after the flue gas enters the filter dust removing tower 10 through the smoke inlet pipe 12, the flue gas sequentially passes through the air vents 111 on each blocking disc 11 and the extension turbulence assemblies 21 between the upper and lower adjacent blocking discs 11, the plurality of extension turbulence assemblies 21 and the plurality of blocking discs 11 are matched to prolong the flow path of the kiln flue gas, the kiln flue gas flows between the upper and lower adjacent blocking discs 11, external washing water enters each annular spray pipe 32 through the liquid delivery main pipe 31, the flue gas is sprayed out by the spray heads 34 on the annular spray pipes 32, the kiln flue gas is washed and dedusted, meanwhile, each extension turbulence assembly 21 rotates, the hollow conical disc 211 on the extension turbulence assembly 21 rotates to drive the transmission rod 217 on the extension turbulence assembly to rotate, the transmission gear 216 in the middle of the transmission rod 217 rotates around the static gear 221 on the fixed rod 22, the transmission gear 216 is meshed with the static gear 221, the transmission rod 217 rotates along with the rotation of the hollow conical disc 211, the porous turbulence plate 218 on the transmission rod 217 is driven to rotate in the process of rotating, the porous turbulence plate 218 stirs and washes the kiln flue gas and washing liquid, and the kiln flue gas is effectively mixed with the flue gas, and the flue gas is delayed from rotating to the first spiral flue gas to the air vent hole 213;
Step three: the kiln gas enters the first filter cavity 15 after being sprayed and washed, passes through meshes of the first net drum 413 and enters the first net drum 413, the first net drum 413 filters the washed kiln gas, water drops and unwashed dust particles in the kiln gas are intercepted, the kiln gas in the first net drum 413 passes through the air outlet 412 and enters the second net drum 414, passes through the meshes of the second net drum 414 and enters the second filter cavity 16, the second net drum 414 further intercepts water drops and unwashed dust particles in the kiln gas, and meanwhile, the transmission tube 421 rotates to drive the second helical blades 425 and the air jet tubes 427 to rotate, and the second helical blades 425 clear the inner wall of the second net drum 414 and the inner wall of the first net drum 413;
step four: the air blower 424 intermittently works, the air blower 424 inputs air into the air conveying pipe 423, the air enters the driving pipe 421 through the rotary joint 422, then enters the air spraying pipe 427 through the connecting pipe 426, and is sprayed out by the air spraying head 428 to blow the wall of the first net drum 413, so that water drops and impurities attached to the outer wall of the first net drum 413 can be cleaned;
step five: the smoke in the second filter cavity 16 is discharged through the smoke discharge pipe 13.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (8)
1. The utility model provides a kiln flue gas dust removal filter equipment which characterized in that includes:
the novel dust removal device comprises a filtering dust removal tower (10), wherein a plurality of blocking discs (11) are fixed in the middle of the inner wall of the filtering dust removal tower (10) at equal intervals from top to bottom sequentially, an air vent (111) is formed in the middle of each blocking disc (11), a smoke inlet pipe (12) is arranged at the lower part of the left side of the filtering dust removal tower (10), and a smoke exhaust pipe (13) is arranged at the upper part of the right side of the filtering dust removal tower (10);
the extension turbulence mechanism (20) is arranged in the filtering dust removal tower (10), the extension turbulence mechanism (20) comprises a plurality of extension turbulence assemblies (21) and a fixed rod (22) penetrating through the extension turbulence assemblies (21) in sequence, and the extension turbulence assemblies (21) are respectively arranged between the upper and lower adjacent two blocking discs (11);
The spraying mechanism (30) is arranged on the filtering dust-removing tower (10);
the filtering mechanism (40) comprises a filter screen assembly (41) and a cleaning assembly (42) for cleaning the filter screen assembly (41), wherein the bottom end of the cleaning assembly (42) is connected with the top end of the uppermost extended-range turbulence assembly (21), and a pollution discharge assembly (43) is connected to the bottom of the filter screen assembly (41);
the driving mechanism (50) is used for driving the cleaning assembly (42) and the extended range turbulence assembly (21) to rotate;
the extended-range turbulence assembly (21) comprises a hollow conical disc (211), a connecting sleeve (212) is fixed at the top end of the hollow conical disc (211), a first spiral blade (213) is fixedly sleeved on the outer side of the connecting sleeve (212), and a plurality of shearing holes (214) are formed in the first spiral blade (213);
the upper end of the connecting sleeve (212) is connected with the bottom of the hollow conical disc (211) above the connecting sleeve through the air vent (111), and the inner cavity of the connecting sleeve (212) is communicated with the inner cavity of the hollow conical disc (211) connected up and down;
The uppermost connecting sleeve (212) penetrates through the air vent (111) and is connected with the bottom end of the cleaning assembly (42), and each hollow conical disc (211) and the connecting sleeve (212) thereof are rotatably sleeved on the fixing rod (22);
the inside of the hollow conical disc (211) is provided with a transmission cavity (215), a stationary gear (221) is fixedly sleeved on a rod body of each transmission cavity (215) of the fixed rod (22), transmission gears (216) are meshed on the left side and the right side of each stationary gear (221), a transmission rod (217) is fixedly penetrated in the middle of each transmission gear (216), the upper end and the lower end of each transmission rod (217) respectively rotate to penetrate through the upper side wall and the lower side wall of each transmission cavity (215) to extend out of the hollow conical disc (211), and porous turbulence plates (218) are fixed on the left side and the right side of the rod body of each transmission rod (217) outside the hollow conical disc (211);
the filter screen assembly (41) comprises a mounting disc (411), the side wall of the mounting disc (411) is fixedly connected with the inner wall of the filter dust removal tower (10), an air outlet (412) is formed in the middle of the mounting disc (411), a first net barrel (413) is fixed in the middle of the lower side of the mounting disc (411), a second net barrel (414) is fixed in the middle of the upper side of the mounting disc (411), the inner cavity of the second net barrel (414) is communicated with the first net barrel (413) through the air outlet (412), and the mesh diameter of the second net barrel (414) is smaller than that of the first net barrel (413);
The blowdown subassembly (43) is including arranging sediment pipeline (431), the left side upper portion of arranging sediment pipeline (431) and the bottom fixed connection of first net section of thick bamboo (413), the inner chamber of arranging sediment pipeline (431) link up with the inner chamber of first net section of thick bamboo (413), the right-hand member of arranging sediment pipeline (431) runs through the lateral wall of filtering dust removal tower (10) and is connected with dirt storage tank (432).
2. A kiln flue gas dust removal filter apparatus as claimed in claim 1, wherein: the middle part of the lower side of the hollow conical disc (211) positioned at the lowest part is fixedly provided with a support sleeve (23), the lower end of the support sleeve (23) penetrates through the air vent (111) to be rotationally connected with a support disc (24), a plurality of support rods (25) are fixed on the side wall of the support disc (24) at equal intervals, one end, far away from the support disc (24), of each support rod (25) is connected with the inner wall of the filtering and dust removing tower (10), and the lower end of each fixing rod (22) penetrates through the support sleeve (23) to be fixedly connected with the support disc (24);
the smoke inlet pipe (12) is positioned below the hollow conical disc (211) at the lowest part.
3. A kiln flue gas dust removal filter apparatus as claimed in claim 2, wherein: the spraying mechanism (30) comprises an infusion main pipe (31) arranged outside the filtering and dedusting tower (10) and annular spraying pipes (32) arranged between the upper and lower adjacent two blocking disks (11), wherein two annular spraying pipes (32) are arranged between the upper and lower adjacent two blocking disks (11), the two annular spraying pipes (32) are respectively positioned at the upper and lower sides of the hollow conical disk (211), infusion branch pipes (33) are respectively connected to the positions of the infusion main pipe (31) corresponding to the annular spraying pipes (32), and each infusion branch pipe (33) respectively penetrates through the side wall of the filtering and dedusting tower (10) and is connected with the corresponding annular spraying pipe (32), and a plurality of spray heads (34) are arranged on the inner annular wall of the annular spraying pipe (32) at equal intervals;
The upper side of the blocking disc (11) is provided with a conical cavity (112), and the vent (111) is arranged in the middle of the lower side of the conical cavity (112);
the bottom of the side wall of the filtering dust removal tower (10) is connected with a drain pipe (14), and a drain valve is arranged on the drain pipe (14).
4. A kiln flue gas dust removal filter apparatus according to claim 3, wherein: a first filter cavity (15) is formed between the lower side of the mounting plate (411) and the blocking plate (11) positioned at the uppermost part, a second filter cavity (16) is formed in the space, above the mounting plate (411), of the interior of the filter dust removal tower (10), the first net drum (413) is positioned in the first filter cavity (15), and the second net drum (414) is positioned in the second filter cavity (16);
the inner cavity of the smoke exhaust pipe (13) is communicated with the second filter cavity (16).
5. The kiln flue gas dust removal and filtration device according to claim 4, wherein: the cleaning component (42) comprises a driving pipe (421), the lower end of the driving pipe (421) sequentially rotates to penetrate through an air outlet (412) and a first net barrel (413) to be connected with a connecting sleeve (212) positioned at the uppermost part, the upper end of the driving pipe (421) sequentially rotates to penetrate through a second net barrel (414) and the top wall of a filtering and dust removing tower (10) to be connected with a rotary joint (422), the top end of the rotary joint (422) is connected with a gas conveying pipe (423), one end of the gas conveying pipe (423) far away from the rotary joint (422) is connected with a blower (424), the blower (424) is mounted at the top of the filtering and dust removing tower (10), two second spiral blades (425) are fixedly sleeved on the pipe body of the driving pipe (421) positioned in the second net barrel (414), the second spiral blades (425) extend into the first net barrel (413) in a penetrating mode through the air outlet (412), the pipe body of the driving pipe (421) positioned in the first net barrel (413) is fixedly provided with a connecting pipe (426), one end of the connecting pipe (421) far away from the inner cavity (427) of the driving pipe (427) is fixedly sleeved with the inner cavity (427), a plurality of jet heads (428) are fixed on one side of the jet pipe (427) far away from the connecting pipe (426) at equal intervals from top to bottom;
The top of the second spiral blade (425) is fixedly provided with a first cleaning scraping strip (4251), the first cleaning scraping strip (4251) is in contact with the top inner wall of the second net barrel (414), the outer side edge of the second spiral blade (425) is fixedly provided with a second cleaning scraping strip (4252), the second cleaning scraping strip (4252) is in contact with the inner walls of the first net barrel (413) and the second net barrel (414), and a strip opening (4253) is formed in the blade body of the second spiral blade (425);
a supporting plate (429) is connected between the upper part and the lower part of the air jet pipe (427) and the transmission pipe (421).
6. The kiln flue gas dust removal and filtration device according to claim 5, wherein: a drain pipe (4321) is arranged at the bottom of the sewage storage tank (432), a valve is arranged on the drain pipe (4321), and an observation window is arranged on the sewage storage tank (432);
the transmission pipe (421) penetrates through the deslagging pipeline (431) in a rotating mode, and the deslagging pipeline (431) is of an inclined structure with the right lower side and the left higher side;
the dirt storage tank (432) is fixedly connected with the outer side wall of the filtering and dust removing tower (10).
7. The kiln flue gas dust removal and filtration device according to claim 6, wherein: the driving mechanism (50) comprises a fixing frame (51), a driving motor (52) and a driven gear (53), wherein the driven gear (53) is fixedly sleeved at the upper end of a transmission pipe (421), the fixing frame (51) is fixed at the top of the filtering and dust removing tower (10), the driving motor (52) is arranged on the fixing frame (51), the output end of the driving motor (52) penetrates through the fixing frame (51) and is connected with a driving gear (54), and the driving gear (54) is connected with the driven gear (53) in a meshed mode;
One end of the air pipe (423) close to the rotary joint (422) is fixedly penetrated through the fixing frame (51).
8. A method of filtering a kiln flue gas dust removal filter according to claim 7, comprising the steps of:
step one: the method comprises the steps that a smoke inlet pipe (12) is connected with a kiln smoke output pipeline, kiln smoke enters a filtering dust removing tower (10) through the smoke inlet pipe (12), then a transfusion main pipe (31) is connected with an external washing liquid conveying pipe, a driving motor (52) in a driving mechanism (50) works, the driving motor (52) works to drive a driving pipe (421) to rotate through meshing between a driving gear (54) and a driven gear (53), the driving pipe (421) rotates to drive a cleaning assembly (42) to rotate, and the cleaning assembly (42) rotates to drive a range-extending turbulent flow assembly (21) to rotate;
step two: after the flue gas enters the filter dust removal tower (10) through the smoke inlet pipe (12), the flue gas sequentially passes through the air vents (111) on each blocking disc (11) and the delay turbulence assemblies (21) passing between the upper and lower adjacent blocking discs (11), the flow paths of the kiln flue gas are prolonged through the cooperation of the plurality of delay turbulence assemblies (21) and the plurality of blocking discs (11), in the process of drifting between the upper and lower adjacent blocking discs (11), external washing water enters each annular spray pipe (32) through the infusion header pipe (31), the spray heads (34) on the annular spray pipes (32) spray out, the kiln flue gas is washed and dedusted, meanwhile, each delay turbulence assembly (21) rotates, the hollow conical disc (211) on the delay turbulence assembly (21) rotates to drive the transmission rod (217) on the baffle plate, the transmission gear (216) rotates around the stationary gear (221) on the fixed rod (22), the transmission gear (216) is meshed with the stationary gear (221), so that the transmission gear (216) rotates along with the transmission rod (217) to drive the rotation of the hollow conical disc (211) to drive the rotation of the transmission rod (218) to mix the flue gas with the rotation of the porous plate (218) to drive the rotation of the porous plate (218) to mix the flue gas, and the stirring fluid in the process of stirring the kiln, and the rotation of the first spiral blade (213) on the extended-range turbulent flow assembly (21) generates downward resistance to the kiln flue gas, so that the speed of the kiln flue gas passing through the air port (111) is delayed;
Step three: the kiln flue gas enters a first filter cavity (15) after being sprayed and washed, passes through meshes of a first net drum (413) and enters the first net drum (413), the first net drum (413) filters the washed kiln flue gas, water drops and unwashed dust particles in the kiln flue gas are intercepted, the kiln flue gas in the first net drum (413) passes through an air outlet (412) and enters a second net drum (414), passes through the meshes of the second net drum (414) and enters a second filter cavity (16), the second net drum (414) further intercepts water drops and unwashed dust particles in the kiln flue gas, and meanwhile, a driving tube (421) rotates to drive a second spiral blade (425) and an air spraying tube (427) to rotate, and the second spiral blade (425) cleans the inner wall of the second net drum (414) and the inner wall of the first net drum (413);
step four: the air blower (424) intermittently works, the air blower (424) inputs air into the air conveying pipe (423), the air enters the driving pipe (421) through the rotary joint (422), then enters the air spraying pipe (427) through the connecting pipe (426), and is sprayed out by the air spraying head (428), the wall of the first net barrel (413) is blown, and water drops and impurities attached to the outer wall of the first net barrel (413) can be cleaned;
Step five: the flue gas in the second filter cavity (16) is discharged through the smoke exhaust pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311716355.6A CN117398798B (en) | 2023-12-14 | 2023-12-14 | Kiln flue gas dust removal and filtration device and filtration method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311716355.6A CN117398798B (en) | 2023-12-14 | 2023-12-14 | Kiln flue gas dust removal and filtration device and filtration method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117398798A CN117398798A (en) | 2024-01-16 |
| CN117398798B true CN117398798B (en) | 2024-04-12 |
Family
ID=89500332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311716355.6A Active CN117398798B (en) | 2023-12-14 | 2023-12-14 | Kiln flue gas dust removal and filtration device and filtration method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117398798B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1458238A (en) * | 1974-06-20 | 1976-12-08 | Chin Kuo Chung | Gas washing device |
| CN212039744U (en) * | 2020-01-13 | 2020-12-01 | 南安市金兴石业有限公司 | Waste gas treatment conveying device for environment-friendly equipment |
| CN213790682U (en) * | 2020-09-14 | 2021-07-27 | 浙江兰电环保集团有限公司 | Rotary dust remover for lime kiln furnace |
| CN219186445U (en) * | 2023-01-05 | 2023-06-16 | 海城市国田矿业有限公司 | Light burned magnesium flue gas dust removal desulfurization device |
| CN116440630A (en) * | 2023-05-04 | 2023-07-18 | 杭州泽元安全科技有限公司 | Chemical industry enterprise safety environmental protection exhaust treatment device |
| CN219539757U (en) * | 2023-03-17 | 2023-08-18 | 东营市润颖机械设备有限公司 | Dust removal and desulfurization device for roasting furnace |
| CN116870686A (en) * | 2023-08-14 | 2023-10-13 | 洛阳市亿鑫环保科技有限公司 | Low-temperature large-air-volume flue gas desulfurization and denitrification purification equipment and method |
-
2023
- 2023-12-14 CN CN202311716355.6A patent/CN117398798B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1458238A (en) * | 1974-06-20 | 1976-12-08 | Chin Kuo Chung | Gas washing device |
| CN212039744U (en) * | 2020-01-13 | 2020-12-01 | 南安市金兴石业有限公司 | Waste gas treatment conveying device for environment-friendly equipment |
| CN213790682U (en) * | 2020-09-14 | 2021-07-27 | 浙江兰电环保集团有限公司 | Rotary dust remover for lime kiln furnace |
| CN219186445U (en) * | 2023-01-05 | 2023-06-16 | 海城市国田矿业有限公司 | Light burned magnesium flue gas dust removal desulfurization device |
| CN219539757U (en) * | 2023-03-17 | 2023-08-18 | 东营市润颖机械设备有限公司 | Dust removal and desulfurization device for roasting furnace |
| CN116440630A (en) * | 2023-05-04 | 2023-07-18 | 杭州泽元安全科技有限公司 | Chemical industry enterprise safety environmental protection exhaust treatment device |
| CN116870686A (en) * | 2023-08-14 | 2023-10-13 | 洛阳市亿鑫环保科技有限公司 | Low-temperature large-air-volume flue gas desulfurization and denitrification purification equipment and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117398798A (en) | 2024-01-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108854303B (en) | Mechanical ash-cleaning type cloth bag dust remover | |
| CN211837170U (en) | High-efficient boiler dust removal SOx/NOx control device | |
| CN212680494U (en) | Air purification dust collector convenient to inside clearance | |
| CN116481111A (en) | Intelligent fresh air energy-saving purification device for building construction | |
| WO2019061099A1 (en) | Dedusting and demisting device and absorption tower | |
| CN117398798B (en) | Kiln flue gas dust removal and filtration device and filtration method thereof | |
| CN207507194U (en) | A kind of eddy flow blowing type self-cleaning block-resistant cleaner | |
| CN221131400U (en) | Automatic smoke filtering and dust removing equipment | |
| CN110302625B (en) | Exhaust gas filter based on new forms of energy | |
| CN115990398B (en) | Aeration oxidation desulfurizing tower | |
| CN216963915U (en) | Analysis and test laboratory fire control exhaust gas system | |
| CN218306928U (en) | Ultra-low emission device for smoke pollutants of coal-fired boiler | |
| CN109432894A (en) | The deduster of rotary type automatic ash removing and its use technique | |
| CN214319627U (en) | Two-section type wet dust collector | |
| CN214598245U (en) | Desulfurization waste gas treatment equipment | |
| CN112843968A (en) | Solid-state flue gas treatment device for chemical experiment | |
| CN217247814U (en) | A exhaust gas purification device for atmospheric pollution administers | |
| CN218924203U (en) | Flue gas dust settling device for industrial furnace desulfurization and denitrification equipment | |
| CN219201498U (en) | Flue gas on-line monitoring device | |
| CN221085043U (en) | Smoke purifying device | |
| CN221601648U (en) | Waste gas spray tower for waste gas treatment | |
| CN219663215U (en) | Waste gas dry treatment device | |
| CN218011656U (en) | Pulse self-cleaning cloth bag dust remover | |
| CN217952341U (en) | Waste heat boiler system | |
| CN221036949U (en) | Heat exchange device of textile setting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240822 Address after: No.101-1 (F1), South District of "National Torch Plan Foshan electronic and electrical industry base", Baini Town, Sanshui District, Foshan City, Guangdong Province, 528000 Patentee after: FOSHAN JINBAILI ELECTROMECHANICAL CO.,LTD. Country or region after: China Address before: 528000 Factory Building 17, Luogeweizi Industrial Zone, Nanzhuang Town, Chancheng District, Foshan City, Guangdong Province Patentee before: FOSHAN YIQING ENVIRONMENTAL PROTECTION ENGINEERING TECHNOLOGY CO.,LTD. Country or region before: China |