CN117463083A - Waste gas treatment device for calcium carbonate powder production - Google Patents
Waste gas treatment device for calcium carbonate powder production Download PDFInfo
- Publication number
- CN117463083A CN117463083A CN202311674273.XA CN202311674273A CN117463083A CN 117463083 A CN117463083 A CN 117463083A CN 202311674273 A CN202311674273 A CN 202311674273A CN 117463083 A CN117463083 A CN 117463083A
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- Prior art keywords
- cylinder
- ring
- wall
- bristle
- dust collecting
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 title claims abstract description 48
- 229910000019 calcium carbonate Inorganic materials 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 239000000843 powder Substances 0.000 title claims abstract description 21
- 239000002912 waste gas Substances 0.000 title claims description 15
- 239000000428 dust Substances 0.000 claims abstract description 113
- 238000007790 scraping Methods 0.000 claims abstract description 34
- 239000007789 gas Substances 0.000 claims description 21
- 239000002893 slag Substances 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 25
- 230000000694 effects Effects 0.000 abstract description 15
- 238000009423 ventilation Methods 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- 229920004934 Dacron® Polymers 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
- B01D46/28—Particle separators, e.g. dust precipitators, using filter brushes
-
- 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
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- 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
- B01D46/42—Auxiliary equipment or operation thereof
-
- 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
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention provides an exhaust gas treatment device for calcium carbonate powder production, which comprises a first cylinder, a second cylinder, a cylinder cover and a dust collection structure; the cylinder cover is arranged at the top of the first cylinder, the second cylinder is arranged in the first cylinder, and a clamping cavity is formed between the outer wall of the second cylinder and the inner wall of the first cylinder; the top of the outer wall of the first cylinder body is provided with an air inlet pipe, and the cylinder cover is provided with an air outlet pipe; the dust collecting structure is arranged in the first cylinder body, a plurality of bristle rings are arranged on the dust collecting structure, and multiple dust collecting areas are formed in the clamping cavity and the second cylinder body; the inner wall of the first cylinder and the inner wall of the second cylinder are provided with pushing and scraping pieces corresponding to the bristle rings, the bristle rings are driven to collide with the pushing and scraping pieces through the rotary dust collecting structure, and dust adhered on the bristle rings is shaken off; the novel dust collecting device has the advantages that the novel dust collecting device is novel in structure, the novel dust collecting device can effectively ensure the filtering effect, the filtering device can be cleaned conveniently, dust can be collected conveniently, and ventilation smoothness is maintained.
Description
Technical Field
The invention relates to the field of waste gas treatment, in particular to a waste gas treatment device for calcium carbonate powder production.
Background
Calcium carbonate is widely used, and is widely used in industries such as paper making, plastics, paint, food and the like except important building materials; at present, the tail gas generated in the production process of calcium carbonate contains more calcium carbonate dust, and the direct discharge can bring dust pollution to the surrounding environment and also can cause waste;
at present, most workshops adopt waste gas dust filtering devices for treatment and then discharge, but most of the current dust filtering devices adopt filter bags or filter screens or filter plate structures for dust filtering and dust collection, so that the effects of dust separation and recovery are realized; however, the above mentioned filtration modes are easy to adhere to the filtration component, are inconvenient to clean, easily cause blockage of the filtration holes, affect ventilation smoothness, and also affect the overall filtration effect, and the above mentioned filtration component cleaning mode is troublesome and needs improvement.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the waste gas treatment device for calcium carbonate powder production, which is novel in structure, adopts a novel filtering dust collection component, can effectively ensure the filtering effect, can conveniently clean the filtering component, is convenient for collecting dust, and also maintains the smoothness of ventilation.
To achieve the purpose, the invention adopts the following technical scheme:
the invention provides an exhaust gas treatment device for calcium carbonate powder production, which comprises a first cylinder, a second cylinder, a cylinder cover and a dust collection structure; the bottom of the first cylinder is provided with a slag discharging pipe, and the slag discharging pipe is provided with a switch valve; the cylinder cover is arranged at the top of the first cylinder, the second cylinder is arranged in the first cylinder, and a clamping cavity is formed between the outer wall of the second cylinder and the inner wall of the first cylinder; the top of the outer wall of the first cylinder is provided with an air inlet pipe which is communicated with the side wall of the top of the clamping cavity, and the cylinder cover is provided with an air outlet pipe; the dust collecting structure is arranged in the first cylinder body, a plurality of bristle rings are arranged on the dust collecting structure, and multiple dust collecting areas are formed in the clamping cavity and the second cylinder body; exhaust gas entering from the air inlet pipe is discharged from the exhaust pipe after passing through multiple dust collecting areas; the inner wall of the first cylinder and the inner wall of the second cylinder are provided with pushing and scraping pieces corresponding to the bristle rings, the bristle rings are driven to collide with the pushing and scraping pieces through the rotary dust collecting structure, and dust adhered on the bristle rings is shaken off.
In the preferred technical scheme of the invention, the dust collecting structure comprises a rotating shaft, and a first dust collecting piece and a second dust collecting piece which are arranged on the rotating shaft; the rotating shaft is rotatably arranged between the cylinder cover and the bottom of the first cylinder body, the top end of the rotating shaft penetrates through the cylinder cover and extends out, and the top end of the rotating shaft is provided with a hand wheel; the first dust collecting piece comprises a first sleeve, a first bristle ring is fixedly arranged on the outer wall of the first sleeve, the first sleeve is sleeved on the rotating shaft, and the outer side of the first bristle ring is propped against the inner wall of the second cylinder; the second dust collecting piece comprises a second sleeve, a supporting frame fixedly arranged on the outer wall of the second sleeve, the top of the supporting frame stretches into the clamping cavity, a second bristle ring is arranged on the outer wall of the supporting frame stretching into the clamping cavity, and the outer side of the second bristle ring abuts against the inner wall of the first barrel.
In the preferred technical scheme of the invention, the bottom of the first cylinder body is narrowed downwards to form a bucket-shaped structure, the bottom end of the bottom narrowed part is provided with a collecting cylinder, and a slag discharging pipe is communicated with the bottom end of the collecting cylinder; the inside of the collecting cylinder is provided with a bracket, the middle part of the bracket is provided with a first perforation, the middle part of the cylinder cover is provided with a second perforation, and the rotating shaft is rotatably arranged between the first perforation and the second perforation; the bottom of the rotating shaft is provided with a guide cover, the outer side of the bottom of the rotating shaft is sleeved with a spring, the spring is arranged between the bracket and the guide cover, and the spring provides upward pushing force for the dust collecting structure, so that the first bristle ring and the second bristle ring are positioned above the corresponding pushing and scraping piece; when pushing the dust collection structure downwards, the spring is extruded, so that the first bristle ring and the second bristle ring can be contacted with the corresponding pushing and scraping piece.
In the preferred technical scheme of the invention, the guide cover comprises a third sleeve, a cover body fixedly arranged at the outer side of the bottom end of the third sleeve, and the cover body is of an inverted bucket-shaped structure; the diameter of the bottom of the cover body is larger than that of the bracket, and the outer diameter of the cover body is smaller than the inner diameter of the collecting cylinder; the third sleeve is sleeved on the rotating shaft and fixedly connected through a pin; the bottom surface of the cover body is lower than the top of the collecting cylinder, and a backflow clamping opening is formed between the bottom of the cover body and the collecting cylinder.
In a preferred technical scheme of the invention, the support frame comprises a first support ring, a second support ring and a plurality of first frame strips; the inner diameters of the first support ring and the second support ring are matched with the outer diameter of the second cylinder body, and the first support ring and the second support ring are propped against the outer wall of the second cylinder body to rotate; the first support ring is connected with the second support ring through a plurality of vertical plates; the second sleeve is arranged below the second supporting ring, the bottom end of the vertical plate extends downwards, the bottom side wall of the vertical plate is connected with the outer wall of the second sleeve through the first rack bar, and the second sleeve is sleeved on the rotating shaft and fixedly connected through the pin; the outer walls of the first support ring and the second support ring are respectively provided with a second bristle ring.
In the preferred technical scheme of the invention, the outer wall of the second cylinder is fixedly provided with the limiting ring, and the spring provides upward pushing force for the dust collecting structure, so that the top of the supporting frame is propped against the bottom surface of the limiting ring.
In the preferred technical scheme of the invention, the top of the outer wall of the limiting ring is fixedly provided with a convex ring, the outer diameter of the convex ring is matched with the inner diameter of the first cylinder, and the convex ring is positioned below the communication position of the air inlet pipe and the clamping cavity; the convex ring is provided with a plurality of air homogenizing holes, and the air homogenizing holes are distributed around the axis circumference array of the convex ring.
In the preferred technical scheme of the invention, the pushing and scraping piece comprises a third supporting ring, wherein a plurality of scraping plates are fixedly arranged on the inner wall of the third supporting ring, and the plurality of scraping plates are distributed in a circumferential array around the axis of the third supporting ring; the third support ring is correspondingly arranged on the inner wall of the first cylinder body and the inner wall of the second cylinder body in a matching way.
In the preferred technical scheme of the invention, a sliding contact piece for enhancing the adsorption force of the bristle ring is arranged above the pushing and scraping piece, the sliding contact piece comprises a fourth supporting ring, and the inner wall of the fourth supporting ring is fixedly stuck with cloth; the bristle rings are made of densely distributed plastic bristles, and static electricity is generated by contact friction between the rotating bristle rings and cloth; the fourth support ring is correspondingly arranged on the inner wall of the first cylinder body and the inner wall of the second cylinder body in a matching way.
The beneficial effects of the invention are as follows:
the invention provides an exhaust gas treatment device for calcium carbonate powder production, which is novel in structure and comprises a first cylinder, a second cylinder, a cylinder cover and a dust collection structure; the cylinder cover is arranged at the top of the first cylinder, the second cylinder is arranged in the first cylinder, and a clamping cavity is formed between the outer wall of the second cylinder and the inner wall of the first cylinder; the top of the outer wall of the first cylinder body is provided with an air inlet pipe, and the cylinder cover is provided with an air outlet pipe; the dust collecting structure is arranged in the first cylinder body, a plurality of bristle rings are arranged on the dust collecting structure, and multiple dust collecting areas are formed in the clamping cavity and the second cylinder body; exhaust gas entering from the air inlet pipe is discharged from the exhaust pipe after passing through multiple dust collecting areas; the bristle ring is used as a component for filtering and dust collection, so that smooth ventilation can be ensured, and dust can be effectively blocked and adsorbed; the flow direction of the gas path is limited, and a plurality of bristle rings are arranged in the path travel, so that the waste gas is filtered and collected for a plurality of times to effectively remove dust, the filtering effect is ensured, and pollution and waste caused by dust discharge are prevented;
the inner wall of the first cylinder and the inner wall of the second cylinder are provided with pushing and scraping pieces corresponding to the bristle rings, the bristle rings are driven to collide with the pushing and scraping pieces through the rotary dust collecting structure, and dust adhered on the bristle rings is shaken off; the simple mechanical structure is adopted, the bristle ring can be cleaned, so that dust adhered to the bristle ring can fall off, uniform collection treatment is conveniently carried out, and the bristle ring can maintain effective ventilation and dust filtering effects.
Drawings
Fig. 1 is a schematic perspective view of an exhaust gas treatment device for calcium carbonate powder production according to an embodiment of the present invention;
fig. 2 is a schematic view showing a three-dimensional developed structure of an exhaust gas treatment device for calcium carbonate powder production according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of an exhaust gas treatment device for calcium carbonate powder production provided in an embodiment of the present invention;
FIG. 4 is a schematic perspective view of a first barrel provided in an embodiment of the present invention;
FIG. 5 is a schematic perspective view of a second barrel provided in an embodiment of the present invention;
fig. 6 is a schematic perspective view of a dust collecting structure according to an embodiment of the present invention.
In the figure:
100. a first cylinder; 110. a slag discharge pipe; 120. an air inlet pipe; 130. a collection cylinder; 140. a bracket;
200. a second cylinder; 210. a limiting ring; 220. a convex ring; 221. a wind homogenizing hole; 300. a cylinder cover; 310. an exhaust pipe;
400. a dust collection structure; 410. a first dust collection member; 411. a first sleeve; 412. a first bristle ring; 420. a second dust collection member; 421. a second sleeve; 422. a support frame; 4221. a first support ring; 4222. a second support ring; 4223. a first rack bar; 4224. a vertical plate; 423. a second bristle ring; 430. a rotating shaft; 440. a hand wheel; 450. a guide cover;
500. clamping a cavity; 600. pushing and scraping pieces; 610. a third support ring; 620. a scraper; 700. a sliding contact; 710. a fourth support ring; 720. distributing materials; 800. and (3) a spring.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in fig. 1 to 3, an exhaust gas treatment device for calcium carbonate powder production is disclosed in an embodiment of the present invention, which comprises a first cylinder 100, a second cylinder 200, a cylinder cover 300, and a dust collecting structure 400; the bottom of the first cylinder 100 is provided with a slag discharging pipe 110, and the slag discharging pipe is provided with a switch valve; the cylinder cover 300 is installed at the top of the first cylinder 100, the second cylinder 200 is installed inside the first cylinder 100, and a clamping cavity 500 is formed between the outer wall of the second cylinder 200 and the inner wall of the first cylinder 100; the top of the outer wall of the first cylinder 100 is provided with an air inlet pipe 120 which is communicated with the side wall of the top of the clamping cavity, and the cylinder cover 300 is provided with an air outlet pipe 310;
the dust collecting structure 400 is installed inside the first cylinder 100, a plurality of bristle rings are arranged on the dust collecting structure 400, and multiple dust collecting areas are formed inside the clamping cavity and the second cylinder; exhaust gas entering from the air inlet pipe is discharged from the exhaust pipe after passing through multiple dust collecting areas; as shown in fig. 4 and 5, pushing and scraping members 600 are provided on the inner wall of the first cylinder 100 and the inner wall of the second cylinder 200 corresponding to the bristle rings, and the bristle rings are driven to collide with the pushing and scraping members by rotating the dust collecting structure, so as to shake off dust adhered on the bristle rings.
The waste gas treatment device for calcium carbonate powder production is novel in structure and comprises a first cylinder, a second cylinder, a cylinder cover and a dust collection structure; the cylinder cover is arranged at the top of the first cylinder, the second cylinder is arranged in the first cylinder, and a clamping cavity is formed between the outer wall of the second cylinder and the inner wall of the first cylinder; the top of the outer wall of the first cylinder body is provided with an air inlet pipe, and the cylinder cover is provided with an air outlet pipe; the dust collecting structure is arranged in the first cylinder body, a plurality of bristle rings are arranged on the dust collecting structure, and multiple dust collecting areas are formed in the clamping cavity and the second cylinder body; exhaust gas entering from the air inlet pipe is discharged from the exhaust pipe after passing through multiple dust collecting areas; the bristle ring is used as a component for filtering and dust collection, so that smooth ventilation can be ensured, and dust can be effectively blocked and adsorbed; the flow direction of the gas path is limited, and a plurality of bristle rings are arranged in the path travel, so that the waste gas is filtered and collected for a plurality of times to effectively remove dust, the filtering effect is ensured, and pollution and waste caused by dust discharge are prevented;
the inner wall of the first cylinder and the inner wall of the second cylinder are provided with pushing and scraping pieces corresponding to the bristle rings, the bristle rings are driven to collide with the pushing and scraping pieces through the rotary dust collecting structure, and dust adhered on the bristle rings is shaken off; the simple mechanical structure is adopted, the bristle ring can be cleaned, so that dust adhered to the bristle ring can fall off, uniform collection treatment is conveniently carried out, and the bristle ring can maintain effective ventilation and dust filtering effects.
Further, an annular groove which expands outwards is formed in the top of the first barrel, an extension ring is fixedly arranged on the outer side of the top of the second barrel, the outer diameter of the extension ring is matched with the inner diameter of the annular groove, the extension ring is propped against and pressed at the annular groove and is fixed through a plurality of bolts, the second barrel is arranged in the first barrel to form a clamping cavity, the top end of the clamping cavity is plugged through the extension ring, a sequential way air inlet pipe, the clamping cavity, the inside of the second barrel and an exhaust pipe of waste gas are limited, and a plurality of bristle rings are ensured to be in a way, so that effective dust filtration can be performed; the cylinder cover covers the top of the first cylinder body and is fixedly connected through a plurality of bolts, and a space is reserved between the bottom surface of the cylinder cover and the top surface of the extension ring, so that the exhaust smoothness is ensured.
Further, as shown in fig. 6, the dust collecting structure 400 includes a rotation shaft 430, and a first dust collecting member 410 and a second dust collecting member 420 mounted on the rotation shaft 430; the rotating shaft 430 is rotatably installed between the cylinder cover 300 and the bottom of the first cylinder 100, the top end of the rotating shaft penetrates through the cylinder cover and extends out, the top end of the rotating shaft 430 is provided with a hand wheel 440, a grasping position is provided, the rotating shaft is convenient to rotate, and therefore the bristle ring is driven to rotate for cleaning; the first dust collecting member 410 comprises a first sleeve 411, a first bristle ring 412 fixedly arranged on the outer wall of the first sleeve 411, the first sleeve is sleeved on the rotating shaft, and the outer side of the first bristle ring 412 is propped against the inner wall of the second cylinder 200; the second dust collecting member 420 comprises a second sleeve 421, a supporting frame 422 fixedly arranged on the outer wall of the second sleeve 421, wherein the top of the supporting frame 422 extends into the clamping cavity 500, a second bristle ring 423 is arranged on the outer wall of the supporting frame 422 extending into the clamping cavity 500, and the outer side of the second bristle ring 423 is propped against the inner wall of the first cylinder 100; the whole adopts an assembled structure, which is convenient for the processing and production of each structural component and is also convenient for the assembly and the assembly of the whole; the inner wall of the second barrel is propped by the first bristle ring, the inner wall of the first barrel is propped by the first bristle ring, the covering shielding range of the bristle ring is ensured, the effective blocking is carried out, and the waste gas is effectively filtered.
Further, the bottom of the first cylinder 100 is narrowed downwards to form a bucket-shaped structure, the bottom end of the bottom narrowing is provided with a collecting cylinder 130, and the slag discharging pipe is communicated with the bottom end of the collecting cylinder; the inside of the collecting cylinder 130 is provided with a bracket 140, the middle part of the bracket is provided with a first perforation, the middle part of the cylinder cover is provided with a second perforation, and the rotating shaft is rotatably arranged between the first perforation and the second perforation; the bottom of the rotating shaft 430 is provided with a guide cover 450, the outer side of the bottom of the rotating shaft 430 is sleeved with a spring 800, the spring 800 is arranged between the bracket 140 and the guide cover 450, and provides upward pushing force for the dust collection structure 400, so that the first bristle ring and the second bristle ring are positioned above the corresponding pushing and scraping pieces; the force of supporting the dust collecting structure is provided by the spring, and the position of the dust collecting structure is limited by the cooperation between the rotating shaft and the first perforation and the second perforation, so that the first bristle ring and the second bristle ring can maintain the required blocking effect; when the dust collection structure is pushed downwards, the spring is extruded, the first bristle ring and the second bristle ring are in contact with the corresponding pushing and scraping piece, the rotating shaft is still in a rotatable state, the rotating shaft can effectively collide with the pushing and scraping piece during rotation, bristles of the bristle ring are stirred, and accordingly dust adhered to the bristles is enabled to fall off, and a required cleaning effect is achieved.
Further, at least two second bristle rings are included, and the two second bristle rings are positioned in the clamping cavity; the dust collecting device at least comprises three first bristle rings, wherein the three first bristle rings are positioned in the second cylinder body, so that multiple dust collecting areas are formed, effective dust collecting, adsorbing and filtering are provided, and dust treatment quality is improved; and, further, first brush hair ring and second brush hair ring all include two-layer brush hair layer, leave the interval between the two-layer brush hair layer, on the one hand can further strengthen the dust filtering effect, on the other hand then can weaken the overall structure on brush hair layer, be convenient for stir.
Further, the guide cover comprises a third sleeve, a cover body is fixedly arranged at the outer side of the bottom end of the third sleeve, and the cover body is of an inverted bucket-shaped structure; the diameter of the bottom of the cover body is larger than that of the bracket, and the outer diameter of the cover body is smaller than the inner diameter of the collecting cylinder; the third sleeve is sleeved on the rotating shaft and fixedly connected through a pin; the bottom surface of the cover body is lower than the top of the collecting cylinder, and a backflow clamping port is formed between the bottom of the cover body and the collecting cylinder; the outer wall of the bracket is fixedly connected with the inner wall of the collecting cylinder through a plurality of second frame bars, the bottom of the guide cover corresponds to the outer side of the top end of the bracket, and the shaken-off dust is prevented from being transferred into the bracket; and the guide cover can limit the port of the collecting cylinder to a certain extent, so that dust entering the collecting cylinder is prevented from being raised again, and the pressure of subsequent dust filtration is reduced.
Further, as shown in fig. 6, the support frame 422 includes a first support ring 4221, a second support ring 4222, and a plurality of first frame bars 4223; the inner diameters of the first support ring 4221 and the second support ring 4222 are matched with the outer diameter of the second cylinder 200, and are propped against the outer wall of the second cylinder to rotate; the first support ring 4221 and the second support ring 4222 are connected through a plurality of vertical plates 4224; the second sleeve is positioned below the second supporting ring, the bottom end of the vertical plate extends downwards, the bottom side wall of the vertical plate 4224 is connected with the outer wall of the second sleeve 421 through a first rack bar 4223, and the second sleeve is sleeved on the rotating shaft and fixedly connected through a pin; the structure can reduce the whole weight of the support frame under the condition of meeting the required structural strength so as to reduce the stress of the spring and facilitate the rotation operation; the flow of the air flow can be facilitated, and the condition of dust accumulation is reduced; the outer walls of the first support ring 4221 and the second support ring 4222 are respectively provided with a second bristle ring 423.
Further, the outer wall of the second barrel 200 is fixedly provided with a limiting ring 210, the spring provides upward pushing force for the dust collecting structure, the top of the supporting frame is propped against the bottom surface of the limiting ring, the top of the supporting frame is limited through the limiting ring, the second bristle ring is prevented from rising to the position of the air inlet pipe, the second bristle ring at the top of the waste gas path is ensured, and the dust filtering effect is ensured.
Further, as shown in fig. 5, a convex ring 220 is fixedly arranged at the top of the outer wall of the limiting ring 210, the outer diameter of the convex ring 220 is matched with the inner diameter of the first cylinder 100, and the convex ring 220 is positioned below the communication position of the air inlet pipe 120 and the clamping cavity 500; the convex ring 220 is provided with a plurality of air homogenizing holes 221, and the air homogenizing holes are distributed in a circumferential array around the axis of the convex ring; the entering waste gas is guided and split, so that the contact range of the waste gas and the bristle ring is enlarged, and a better dust filtering effect is realized.
Further, as shown in fig. 6, the scraping element 600 includes a third supporting ring 610, and a plurality of scraping plates 620 are fixedly disposed on an inner wall of the third supporting ring 610, and are circumferentially arrayed around an axis of the third supporting ring; the third supporting ring is correspondingly arranged on the inner wall of the first cylinder body in a matching way; through setting up the brush hair of polylith scraper blade and brush hair ring and contacting, under the circumstances of brush hair ring rotation, carry out effectual stirring to the brush hair, promote dropping of dust, carry out unified collection.
Further, a limiting pipe is fixedly arranged at the bottom of the hand wheel, and when the limiting pipe abuts against the top surface of the cylinder cover, the bristle ring at the moment is lowered to the lowest position and is in a state corresponding to the bottom of the matched scraping plate, so that the stirring position of the scraping plate is ensured not to be separated; when in actual use, the hand wheel is downwards pushed by one hand, so that the first bristle ring and the second bristle ring enter the part of the pushing and scraping piece, and then the hand wheel is turned by the other hand, so that the bristle rings are cleaned; in another mode, the hand wheel is pushed and forced downwards to complete half circumference loosening while the rotation and pushing are synchronously performed, the spring can spring up under the action of the spring, and the action is repeated for several times, so that the required cleaning effect can be realized.
Further, the top length of scraper blade is less than the bottom length, and the top edge department of scraper blade is equipped with the chamfer, can make things convenient for the better outside of inserting the brush hair ring of scraper blade, when rotating dust collection structure, drives brush hair ring and scraper blade and carries out contact collision, realizes the stirring to the brush hair, effectively trembles the dust of brush hair ring department adhesion.
Further, as shown in fig. 4 and 5, a sliding contact member 700 for enhancing the adsorption force of the bristle ring is arranged above the pushing and scraping member 600, the sliding contact member 700 comprises a fourth supporting ring 710, and a cloth 720 is fixedly adhered to the inner wall of the fourth supporting ring 710; the bristle rings are made of densely distributed plastic bristles, and static electricity is generated by contact friction between the rotating bristle rings and cloth; the fourth supporting ring is correspondingly arranged on the inner wall of the first cylinder body in a matching way; wherein, the cloth includes but is not limited to chemical fiber fabric, dacron, acrylic fiber, the woollen of chemical fiber material, and the woollen of preferential chemical fiber material can effectively improve the formation of static, promotes the brushing ring to have except blockking auxiliary adsorption effect, further strengthens the processing to the dust, improves the effect of straining the dirt.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The invention is not to be limited by the specific embodiments disclosed herein, and other embodiments are within the scope of the invention as defined by the claims of the present application.
Claims (9)
1. An exhaust treatment device for calcium carbonate powder production, which is characterized in that:
comprises a first cylinder body, a second cylinder body, a cylinder cover and a dust collecting structure;
the bottom of the first cylinder is provided with a slag discharging pipe, and the slag discharging pipe is provided with a switch valve;
the cylinder cover is arranged at the top of the first cylinder, the second cylinder is arranged in the first cylinder, and a clamping cavity is formed between the outer wall of the second cylinder and the inner wall of the first cylinder; the top of the outer wall of the first cylinder is provided with an air inlet pipe which is communicated with the side wall of the top of the clamping cavity, and the cylinder cover is provided with an air outlet pipe;
the dust collecting structure is arranged in the first cylinder body, a plurality of bristle rings are arranged on the dust collecting structure, and multiple dust collecting areas are formed in the clamping cavity and the second cylinder body; exhaust gas entering from the air inlet pipe is discharged from the exhaust pipe after passing through multiple dust collecting areas;
the inner wall of the first cylinder and the inner wall of the second cylinder are provided with pushing and scraping pieces corresponding to the bristle rings, the bristle rings are driven to collide with the pushing and scraping pieces through the rotary dust collecting structure, and dust adhered on the bristle rings is shaken off.
2. The exhaust gas treatment device for calcium carbonate powder production according to claim 1, wherein:
the dust collecting structure comprises a rotating shaft, and a first dust collecting piece and a second dust collecting piece which are arranged on the rotating shaft;
the rotating shaft is rotatably arranged between the cylinder cover and the bottom of the first cylinder body, the top end of the rotating shaft penetrates through the cylinder cover and extends out, and the top end of the rotating shaft is provided with a hand wheel;
the first dust collecting piece comprises a first sleeve, a first bristle ring is fixedly arranged on the outer wall of the first sleeve, the first sleeve is sleeved on the rotating shaft, and the outer side of the first bristle ring is propped against the inner wall of the second cylinder;
the second dust collecting piece comprises a second sleeve, a supporting frame fixedly arranged on the outer wall of the second sleeve, the top of the supporting frame stretches into the clamping cavity, a second bristle ring is arranged on the outer wall of the supporting frame stretching into the clamping cavity, and the outer side of the second bristle ring abuts against the inner wall of the first barrel.
3. The exhaust gas treatment device for calcium carbonate powder production according to claim 2, wherein:
the bottom of the first cylinder body is narrowed downwards to form a bucket-shaped structure, the bottom end of the bottom narrowing part is provided with a collecting cylinder, and a slag discharging pipe is communicated with the bottom end of the collecting cylinder; the inside of the collecting cylinder is provided with a bracket, the middle part of the bracket is provided with a first perforation, the middle part of the cylinder cover is provided with a second perforation, and the rotating shaft is rotatably arranged between the first perforation and the second perforation;
the bottom of the rotating shaft is provided with a guide cover, the outer side of the bottom of the rotating shaft is sleeved with a spring, the spring is arranged between the bracket and the guide cover, and the spring provides upward pushing force for the dust collecting structure, so that the first bristle ring and the second bristle ring are positioned above the corresponding pushing and scraping piece;
when pushing the dust collection structure downwards, the spring is extruded, so that the first bristle ring and the second bristle ring can be contacted with the corresponding pushing and scraping piece.
4. A waste gas treatment device for calcium carbonate powder production according to claim 3, characterized in that:
the guide cover comprises a third sleeve, a cover body is fixedly arranged at the outer side of the bottom end of the third sleeve, and the cover body is of an inverted bucket-shaped structure; the diameter of the bottom of the cover body is larger than that of the bracket, and the outer diameter of the cover body is smaller than the inner diameter of the collecting cylinder; the third sleeve is sleeved on the rotating shaft and fixedly connected through a pin;
the bottom surface of the cover body is lower than the top of the collecting cylinder, and a backflow clamping opening is formed between the bottom of the cover body and the collecting cylinder.
5. The exhaust gas treatment device for calcium carbonate powder production according to claim 4, wherein:
the support frame comprises a first support ring, a second support ring and a plurality of first frame strips;
the inner diameters of the first support ring and the second support ring are matched with the outer diameter of the second cylinder body, and the first support ring and the second support ring are propped against the outer wall of the second cylinder body to rotate; the first support ring is connected with the second support ring through a plurality of vertical plates;
the second sleeve is arranged below the second supporting ring, the bottom end of the vertical plate extends downwards, the bottom side wall of the vertical plate is connected with the outer wall of the second sleeve through the first rack bar, and the second sleeve is sleeved on the rotating shaft and fixedly connected through the pin;
the outer walls of the first support ring and the second support ring are respectively provided with a second bristle ring.
6. The exhaust gas treatment device for calcium carbonate powder production according to claim 5, wherein:
the outer wall of the second cylinder body is fixedly provided with a limiting ring, and the spring provides upward pushing force for the dust collection structure, so that the top of the support frame is propped against the bottom surface of the limiting ring.
7. The exhaust gas treatment device for calcium carbonate powder production according to claim 6, wherein:
the top of the outer wall of the limiting ring is fixedly provided with a convex ring, the outer diameter of the convex ring is matched with the inner diameter of the first cylinder, and the convex ring is positioned below the communication part of the air inlet pipe and the clamping cavity; the convex ring is provided with a plurality of air homogenizing holes, and the air homogenizing holes are distributed around the axis circumference array of the convex ring.
8. The exhaust gas treatment device for calcium carbonate powder production according to claim 7, wherein:
the pushing and scraping piece comprises a third supporting ring, a plurality of scraping plates are fixedly arranged on the inner wall of the third supporting ring, and the plurality of scraping plates are distributed in a circumferential array around the axis of the third supporting ring; the third support ring is correspondingly arranged on the inner wall of the first cylinder body and the inner wall of the second cylinder body in a matching way.
9. The exhaust gas treatment device for calcium carbonate powder production according to claim 8, wherein:
a sliding contact piece for enhancing the adsorption force of the bristle ring is arranged above the pushing and scraping piece, and comprises a fourth supporting ring, and cloth is fixedly stuck on the inner wall of the fourth supporting ring; the bristle rings are made of densely distributed plastic bristles, and static electricity is generated by contact friction between the rotating bristle rings and cloth; the fourth support ring is correspondingly arranged on the inner wall of the first cylinder body and the inner wall of the second cylinder body in a matching way.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311674273.XA CN117463083B (en) | 2023-12-07 | 2023-12-07 | Waste gas treatment device for calcium carbonate powder production |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311674273.XA CN117463083B (en) | 2023-12-07 | 2023-12-07 | Waste gas treatment device for calcium carbonate powder production |
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| CN117463083B CN117463083B (en) | 2024-05-14 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115634826A (en) * | 2022-10-20 | 2023-01-24 | 清远市峰和环保新材料科技有限公司 | Screening equipment for aluminum ash recovery treatment and use method thereof |
| CN115671936A (en) * | 2022-11-17 | 2023-02-03 | 广东容大生物股份有限公司 | Waste gas treatment system and purification treatment method thereof |
| CN116474484A (en) * | 2023-04-10 | 2023-07-25 | 刘艳尼 | Particle separation dust collecting equipment with self-cleaning function |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115634826A (en) * | 2022-10-20 | 2023-01-24 | 清远市峰和环保新材料科技有限公司 | Screening equipment for aluminum ash recovery treatment and use method thereof |
| CN115671936A (en) * | 2022-11-17 | 2023-02-03 | 广东容大生物股份有限公司 | Waste gas treatment system and purification treatment method thereof |
| CN116474484A (en) * | 2023-04-10 | 2023-07-25 | 刘艳尼 | Particle separation dust collecting equipment with self-cleaning function |
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