Dust removal equipment for ground stone powder workshop production
By designing axially movable fixed bracket and dust removal bag dust removal equipment in the grinder, the problem of dust flying in the grinder is solved, efficient dust removal and simple cleaning are achieved, and workers' health is protected.
Patent Information
- Application Number
- CN202510704266.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-29
- Publication Date
- 2025-07-18
AI Technical Summary
When the mill is working, severe dust is generated during the limestone falling, which pollutes the environment and increases the difficulty of cleaning, endangering the health of workers.
A dust removal equipment for the production of grinding stone powder workshops is designed, including a fixed shell, dust inlet, gas outlet, annular fixed seat and axially movable fixed bracket. A dust removal bag is provided on the inside of the fixed bracket. The dust removal bag is driven to move the axial direction by driving the motor to achieve efficient separation and collection of dust.
Effectively avoid dust flying, reduce environmental pollution, reduce cleaning difficulty, protect workers' health, and improve dust removal efficiency and equipment stability.
Smart Images
Figure CN120325005A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to a dust removal device, and particularly relates to a dust removal device for use in the production of abrasive stone powder workshops. Background Art
[0002] The main component of limestone is calcium carbonate. After limestone is mined from limestone rock, it is crushed to form limestone particles, namely stone materials and sand, or further ground into limestone powder, which is widely used in industries such as building materials, highways, metallurgy, and chemicals. Therefore, a grinding mill is required for grinding stone powder.
[0003] During the operation of a conventional grinding mill, limestone usually falls from top to bottom to achieve the feeding operation. During the falling process of limestone, dust will be carried and fly, and the dust adhering to the surface of limestone will continue to move downward with the limestone, resulting in serious dust flying, which seriously pollutes the working environment, increases the cleaning difficulty, and even poses a physical hazard to the staff. Summary of the Invention
[0004] The purpose of the present invention is to provide a dust removal device for use in the production of abrasive stone powder workshops, which solves the problems existing in the prior art such as dust flying, environmental pollution, difficult cleaning, and harm to the health of workers.
[0005] The above technical object of the present invention is mainly solved by the following technical solution: A dust removal device for use in the production of abrasive stone powder workshops, including a fixed housing, wherein dust inlets and gas outlets are respectively provided at both ends of the fixed housing, a conveying pipeline is provided at the dust inlet, an annular fixed seat connected to the conveying pipeline is provided inside the fixed housing, a fixed bracket that can axially move and is in a cylindrical shape is provided inside the annular fixed seat, a dust removal cloth bag for separating dust and gas is provided inside the fixed bracket, the dust removal cloth bag opens towards the direction where the conveying pipeline is located, a feeding hopper communicating with the conveying pipeline and extending to the inside of the opening of the dust removal cloth bag is provided at the end of the annular fixed seat, one end of the fixed bracket is located inside the annular fixed seat, the other end of the fixed bracket communicates with the gas outlet, and the fixed bracket can drive the dust removal cloth bag to axially move outside the gas outlet.
[0006] As a further preferred technical solution of the present invention; an annular positioning seat connected to the inner wall of the annular fixed seat is provided outside the fixed bracket, the fixed bracket includes an annular bracket detachably connected to the opening of the dust removal cloth bag, a plurality of connecting rods arranged at equal intervals and having one end connected to the annular bracket, and a bottom frame connected to the other ends of the respective connecting rods, and the outer wall of the connecting rod is slidably matched with the inner wall of the annular positioning seat.
[0007] As a further preferred technical solution of the present invention; a blocking block close to the bottom of the dust removal cloth bag and connected to the inside of the respective connecting rods is provided between the annular bracket and the bottom frame, and a plurality of through holes are provided on the blocking block.
[0008] As a further preferred technical solution of the present invention; on one end side wall of the annular positioning seat close to the gas outlet, there is a strip-shaped notch corresponding to one of the connecting rods. On the outer wall of the connecting rod, there is a tooth group axially arranged within the strip-shaped notch. On the outer side of one end of the strip-shaped notch close to the gas outlet, there is a transmission gear meshed with the tooth group. On the inner wall of the fixed housing, there is a driving motor in transmission connection with the transmission gear.
[0009] As a further preferred technical solution of the present invention; on the outer wall of the left end of the connecting rod at the top inside the annular positioning seat, there is a limit slider. Inside the annular positioning seat, there is a first limit sliding groove corresponding to and slidably matched with the limit slider. The first limit sliding groove is arranged along the axial direction of the annular positioning seat and both ends are open.
[0010] As a further preferred technical solution of the present invention; at the bottom inside the annular positioning seat, there is a second limit sliding groove arranged along the axial direction of the annular positioning seat and both ends are open. At the outer edge of the front end of the connecting rod at the bottom inside the annular positioning seat, there is a positioning column slidably matched with the second limit sliding groove and arranged along the width direction of the second limit sliding groove.
[0011] As a further preferred technical solution of the present invention; on the gas outlet, there is an air outlet passage. The air outlet passage includes a connecting section located inside the fixed housing and connected to the annular positioning seat and a fixed section located outside the fixed housing. At the top and bottom of the air outlet passage, there are a first notch and a second notch respectively communicating with the first limit sliding groove and the second limit sliding groove.
[0012] As a further preferred technical solution of the present invention; the axial length of the fixed section gradually increases from top to bottom. At the bottom edge of the fixed section, there is an arc-shaped card slot corresponding to and cooperating with the positioning column.
[0013] As a further preferred technical solution of the present invention; the conveying pipeline includes a docking section arranged at the dust inlet, a conveying section arranged obliquely downward, and a connecting section connected to the end of the annular fixed seat. The connecting section communicates with the feed hopper. On the end face of the annular fixed seat, there is an annular connecting portion threadedly connected to the outer wall of the connecting section.
[0014] As a further preferred technical solution of the present invention; on the side wall of the conveying section, there are an annular through cavity and a plurality of air holes communicating the annular through cavity and the inside of the conveying pipeline. The air holes are inclined towards the connecting section. On the inner wall of the fixed housing, there is an air pump. On the air pump, there is an air pipe communicating with the annular through cavity.
[0015] Therefore, the present invention has the characteristics of collecting dust, avoiding dust flying, reducing pollution to the working environment, reducing the cleaning difficulty, and avoiding harm to the physical health of workers. Description of the Drawings
[0016] Figure 1 is a schematic structural view of the present invention; Figure 2 is Figure 1 a structural sectional view of; Figure 3 is Figure 2 an enlarged structural view of part A in; Figure 4 is Figure 1 a schematic structural view of the cooperation between the annular positioning seat and the fixing bracket in; Figure 5 is Figure 1 a schematic structural view when the fixing bracket and the dust removal cloth bag in move to the gas outlet. Specific embodiments
[0017] The technical solution of the present invention will be further specifically described below through embodiments and in conjunction with the drawings.
[0018] Such as Figure 1 、 2, as shown in FIGS. 5, a dust removal device for the production of abrasive powder workshop, including a fixed housing 1, with a dust inlet 11 and a gas outlet 12 respectively provided at both ends of the fixed housing 1. A conveying pipeline 2 is provided at the dust inlet 11, and the dust inlet 11 is connected to an external abrasive powder equipment through the conveying pipeline 2, so as to convey dust from the dust inlet 11 into the fixed housing 1 through the conveying pipeline 2 during the production of abrasive powder. The gas outlet 12 is used for discharging the gas separated from the dust. An annular fixed seat 3 connected to the conveying pipeline 2 is provided inside the fixed housing 1. A fixed support 4 that can move axially and is in a cylindrical shape is provided inside the annular fixed seat 3. The annular fixed seat 3 circumferentially limits the fixed support 4 to ensure the stability of the fixed support 4 inside the fixed housing 1. An air filter bag 40 for separating dust and gas is provided inside the fixed support 4. The air filter bag 40 is a prior art and will not be elaborated here. The air filter bag 40 is fixed inside the fixed support 4, and the fixed support 4 limits and fixes the air filter bag 40. The air filter bag 40 opens towards the direction where the conveying pipeline 2 is located, so as to filter and separate the incoming gas with dust, prevent the dust from spreading to the external working environment and flying in the external working environment, effectively reducing the pollution of the working environment and avoiding harm to the physical health of workers. At the same time, when the gas with dust enters the inside of the air filter bag 40, the fixed support 4 can limit and support the outside of the air filter bag 40, preventing the gas from excessively impacting the air filter bag 40 and exacerbating the loss of the air filter bag 40, playing a protective role for the air filter bag 40. A feed hopper 31 connected to the conveying pipeline 2 and extending to the inside of the opening of the air filter bag 40 is provided at the end of the fixed seat 3. One end of the fixed support 4 is located inside the annular fixed seat 3, and the other end of the fixed support 4 is connected to the gas outlet 12. The feed hopper 31 connects the conveying pipeline 2 and the air filter bag 40. The feed hopper 31 can guide the incoming gas with dust, so that the gas with dust directly enters the air filter bag 40, ensuring that the gas with dust can completely enter the air filter bag 40, achieving sufficient separation and collection by the air filter bag 40, and reducing the residue of dust in the channel. When the dust collected in the air filter bag 40 is too much and affects the air permeability of the air filter bag 40, the fixed support 4 can drive the air filter bag 40 to move. The fixed support 4 can drive the air filter bag 40 to axially move outside the gas outlet 12, so that the air filter bag 40 can be directly cleaned, the dust inside the air filter bag 40 can be removed and the air filter bag 40 can be washed, or the air filter bag 40 can be directly replaced, and the operation is simple, fast and efficient, effectively reducing the difficulty of cleaning the dust and avoiding the dust from clogging the air filter bag 40, resulting in a reduction or failure of the dust removal effect for the dust in the abrasive powder equipment.
[0019] As Figure 2 and 4As shown, an annular positioning seat 30 connected to the inner wall of the annular fixing seat 3 is provided on the outside of the fixing bracket 4. The annular positioning seat 30 is fixed to the inner side of the annular fixing seat 3 to guide and support the movement of the fixing bracket 4. The fixing bracket 4 includes an annular bracket 41 detachably connected to the opening of the dust removal cloth bag 40, a plurality of connecting rods 42 arranged at equal intervals and connected to the annular bracket 41 at one end, and a bottom frame 43 connected to the other end of each connecting rod 42. Both the annular bracket 41 and the bottom frame 43 cooperate with the inner wall of the annular positioning seat 30. The plurality of connecting rods 42 connect the annular bracket 41 and the bottom frame 43 to form an enclosure for the dust removal cloth bag 40, limit the outside of the dust removal cloth bag 40, and position the dust removal cloth bag 40, avoiding the displacement of the dust removal cloth bag 40 due to the impact of gas during dust removal, which affects the collection and separation of dust. At the same time, the fixing bracket 4 can drive the dust removal cloth bag 40 to move axially. The outer wall of the connecting rod 42 is slidably matched with the inner wall of the annular positioning seat 30. Each connecting rod 42 forms an enclosure for the dust removal cloth bag 40 and can move stably along the annular positioning seat 30 to ensure stability during movement. A baffle 44 is provided between the annular bracket 41 and the bottom frame 43, close to the bottom of the dust removal cloth bag 40 and connected to the inner side of each connecting rod 42. A number of through holes 441 are provided on the baffle 44. The baffle 44 is provided to support and limit the bottom of the dust removal cloth bag 40 close to the dust removal cloth bag 40, avoiding excessive impact of gas on the dust removal cloth bag 40, resulting in the detachment or damage of the dust removal cloth bag 40. The through holes 441 are provided to facilitate the flow of gas, avoiding slow or blocked gas flow and reducing the separation efficiency of dust. The opening of the dust removal cloth bag 40 and the end face of the annular bracket 41 can be fixed by nails, or the opening of the dust removal cloth bag 40 can be pressed against the end face of the annular bracket 41 by a pressing plate and screws, facilitating the removal or installation of the dust removal cloth bag 40.
[0020] As Figure 2 and 4As shown, a strip-shaped notch 300 corresponding to one of the connecting rods 42 is provided on the side wall of one end of the annular positioning seat 30 close to the gas outlet 12. A tooth group 421 axially arranged and located within the strip-shaped notch 300 is provided on the outer wall of the connecting rod 42. The tooth group 421 is strip-shaped and located within the strip-shaped notch 300. The strip-shaped notch 300 provides clearance for the tooth group 421. A transmission gear 13 meshingly connected to the tooth group 421 is provided on the outer side of one end of the strip-shaped notch 300 close to the gas outlet 12. A drive motor 14 drivingly connected to the transmission gear 13 is provided on the inner wall of the fixed housing 1. When the drive motor 14 is started, it can drive the transmission gear 13 to rotate. When the transmission gear 13 rotates, it can drive the tooth group 421 through meshing teeth to drive the fixed bracket 4 to axially move, thereby driving the dust removal bag 40 to move. When too much dust accumulates in the dust removal bag 40, the drive motor 14 can be started to drive the fixed bracket 4 to drive the dust removal bag 40 to move out of the gas outlet 12, so as to facilitate the cleaning of the dust in the dust removal bag 40 or directly replace the dust removal bag. A limit slider 422 is provided on the outer wall of the left end of the connecting rod 42 at the top inside the annular positioning seat 30. A first limit sliding groove 301 corresponding to the limit slider 422 and in sliding fit therewith is provided inside the annular positioning seat 30. The limit slider 422 can move along the first limit sliding groove within the first limit sliding groove 301 to limit and guide the movement of the fixed bracket 4, making the movement of the fixed bracket 4 more stable and smooth, avoiding deflection of the fixed bracket 4 that affects the smooth removal of the fixed bracket 4 from the gas outlet 12, and avoiding interference with the re-movement of the fixed bracket 4 back to the inside of the annular positioning seat 30. The first limit sliding groove 301 is arranged along the axial direction of the annular positioning seat 30 and both ends are open, enabling the fixed bracket to move out of the annular positioning seat 30 or re-move back to the inside of the annular positioning seat 30.
[0021] As Figure 2-5As shown, at the inner bottom of the annular positioning seat 30, there is a second limiting chute 302 which is arranged along the axis direction of the annular positioning seat 30 and has openings at both ends. At the outer edge of the front end of the connecting rod 42 at the bottom inside the annular positioning seat 30, there is a positioning post 423 which is slidably matched with the second limiting chute 302 and is arranged along the width direction of the second limiting chute 302. The positioning post 423 is arranged at the lower end of the annular bracket 41 and can move within the second limiting chute 302. The limiting slider 422 and the positioning post 423 are arranged at different positions on the annular bracket 41 to avoid mutual interference. And the arrangement that the positioning post 423 is arranged at the lower end of the fixed bracket 4 enables the fixed bracket 4 to support and limit the positioning post 423 through the arc-shaped slot 521 when the positioning post 423 moves into the arc-shaped slot 521, and support the fixed bracket 4 to turn downward, so that the opening of the dust removal bag 40 faces upward, which is convenient for observing the dust cleaning of the dust removal bag 40 or directly replacing the dust removal bag 40. On the gas outlet 12 of the positioning post 423, there is an air outlet channel 5. The air outlet channel 5 includes a connecting section 51 located inside the fixed housing 1 and connected to the annular positioning seat 30 and a fixed section 52 located outside the fixed housing 1. The connecting section 51 is tightly connected to the annular positioning seat 30 to facilitate the connection of the gas channel. The fixed section 52 is located outside the fixed housing 1 to facilitate the support of the fixed bracket 4 outside the fixed housing 1. At the top and bottom of the air outlet channel 5, there are a first notch 53 and a second notch 54 which are respectively communicated with the first limiting chute 301 and the second limiting chute 302. The first notch 53 and the second notch 54 are respectively communicated with the first limiting chute 301 and the second limiting chute 302. When the fixed bracket 4 is driven to move outward, it can continue to move along the first notch 53 and the second notch 54, and the movement of the fixed bracket 4 is further limited and guided through the first notch 53 and the second notch 54, ensuring that the fixed bracket 4 can drive the dust removal bag 40 to move stably and smoothly to the opening of the fixed section 52. The axial length of the fixed section 52 gradually increases from top to bottom, and the opening end face of the fixed section 52 forms an inclined plane that slopes downward and outward, so that the lower side of the fixed section 52 is longer than the upper side of the fixed section 52. At the bottom edge of the fixed section 52, there is an arc-shaped slot 521 corresponding to and cooperating with the positioning post 423. The upper side of the fixed section 52 can thus make way for the limiting slider 422 on the upper side of the fixed bracket 4, so that when the positioning post 423 is located in the arc-shaped slot 521, the upper side of the fixed bracket 4 can turn downward with the positioning post 423 as the rotation center, so that the whole fixed bracket 4 can turn downward, and the positioning post 423 is positioned through the arc-shaped slot 521, which is convenient for observing the dust accumulation degree in the dust removal bag 40, and then the dust removal bag 40 can be cleaned or replaced at any time, avoiding the influence on the dust cleaning effect due to the dust blocking the dust removal bag 40.
[0022] As Figure 1-2As shown in the figure, the conveying pipeline 2 includes a docking section 21 provided at the dust inlet 11, a downwardly inclined conveying section 22, and a connecting section 23 connected to the end of the annular fixing seat 3. The connecting section 23 communicates with the feed hopper 31. An annular connecting portion 32 threadedly connected to the outer wall of the connecting section 23 is provided on the end face of the annular fixing seat 3. The docking end 21 of the conveying pipeline 2 is provided at the dust inlet 11 and communicates with the abrasive powder equipment, and can convey dust into the dust removal cloth bag 40. The connecting section 23 is threadedly connected to the annular connecting portion 32 on the end face of the annular fixing seat 3, so that the channel inside the connecting section 23 can communicate with the feed hopper 31 and the dust removal cloth bag 40. Both ends of the conveying section 23 communicate with the docking section 21 and the connecting section 23 respectively. The downward inclination of the conveying section 22 can prevent dust from staying and accumulating in the conveying section 22, and assist the dust to be driven by the gas into the dust removal cloth bag 40. An annular through cavity 221 and a plurality of air holes 222 communicating the annular through cavity 221 and the inside of the conveying pipeline 2 are provided on the side wall of the conveying section 22. The air holes 222 are inclined towards the connecting section 23. An air pump 15 is provided on the inner wall of the fixed housing 1, and an air pipe 151 communicating with the annular through cavity 221 is provided on the air pump 15. When the conveying pipeline 2 communicates with the abrasive powder equipment and starts to work, the air pump 15 is started. The air pump 15 conveys air flow into the annular through cavity 221 through the air pipe 151. The air flow flows out from the air holes 222 inside the conveying section 22 and rapidly flows towards the dust removal cloth bag 40 along the inclined air holes, forming a negative pressure area inside the conveying section 22. Thus, the gas with dust can be quickly drawn from the abrasive powder equipment and flow into the dust removal cloth bag 40, realizing the rapid dust removal of the abrasive powder equipment, effectively improving the dust removal efficiency and quality, and avoiding the stay and accumulation of dust in the conveying pipeline 2.
[0023] The above embodiments are the preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the technical solution of the present invention is within the protection scope of the present invention.
Claims
1. A dust removal device for use in the production of abrasive stone powder workshop, comprising a fixed housing (1), characterized in that: The two ends of the fixed housing (1) are respectively provided with a dust inlet (11) and a gas outlet (12). A conveying pipeline (2) is provided at the dust inlet (11). An annular fixed seat (3) connected to the conveying pipeline (2) is provided inside the fixed housing (1). A fixed bracket (4) which can axially move and is in a cylindrical shape is provided inside the annular fixed seat (3). A dust removal cloth bag (40) for separating dust and gas is provided inside the fixed bracket (4). The dust removal cloth bag (40) opens towards the direction where the conveying pipeline (2) is located. A feed hopper (31) which is communicated with the conveying pipeline (2) and extends to the inner side of the opening of the dust removal cloth bag (40) is provided at the end of the annular fixed seat (3). One end of the fixed bracket (4) is located inside the annular fixed seat (3), and the other end of the fixed bracket (4) is communicated with the gas outlet (12). The fixed bracket (4) can drive the dust removal cloth bag (40) to axially move outside the gas outlet (12).
2. The dust removal equipment for use in a whetstone powder workshop according to claim 1, characterized in that: An annular positioning seat (30) connected to the inner wall of the annular fixed seat (3) is provided outside the fixed bracket (4). The fixed bracket (4) includes an annular bracket (41) detachably connected to the opening of the dust removal cloth bag (40), a plurality of connecting rods (42) arranged at equal intervals and having one end connected to the annular bracket (41), and a bottom frame (43) connected to the other ends of the respective connecting rods (42). The outer wall of the connecting rod (42) is slidably matched with the inner wall of the annular positioning seat (30).
3. The dust removal equipment for the production of abrasive stone powder workshop according to claim 2, characterized in that: A baffle (44) which is close to the bottom of the dust removal cloth bag (40) and is connected to the inner sides of the respective connecting rods (42) is provided between the annular bracket (41) and the bottom frame (43). A plurality of through holes (441) are provided on the baffle (44).
4. The dust removal equipment for the production of abrasive stone powder workshop according to claim 2, characterized in that: A strip-shaped notch (300) corresponding to one of the connecting rods (42) is provided on the side wall of one end of the annular positioning seat (30) close to the gas outlet (12). A tooth group (421) which is axially arranged and is located in the strip-shaped notch (300) is provided on the outer wall of the connecting rod (42). A transmission gear (13) which is meshed and connected with the tooth group (421) is provided on the outer side of one end of the strip-shaped notch (300) close to the gas outlet (12). A driving motor (14) which is in transmission connection with the transmission gear (13) is provided on the inner wall of the fixed housing (1).
5. The dust removal equipment for the production in a grindstone powder workshop according to claim 2, characterized in that: A limiting slider (422) is provided on the outer wall of the left end of the connecting rod (42) located at the top inside the annular positioning seat (30). A first limiting sliding groove (301) corresponding to the limiting slider (422) and being slidably matched therewith is provided inside the annular positioning seat (30). The first limiting sliding groove (301) is arranged along the axial direction of the annular positioning seat (30) and both ends are in an open shape.
6. The dust removal equipment for the production in a whetstone powder workshop according to claim 5, characterized in that: A second limiting sliding groove (302) which is arranged along the axial direction of the annular positioning seat (30) and both ends are in an open shape is provided at the bottom inside the annular positioning seat (30). A positioning column (423) which is slidably matched with the second limiting sliding groove (302) and is arranged along the width direction of the second limiting sliding groove (302) is provided at the outer edge of the front end of the connecting rod (42) located at the bottom inside the annular positioning seat (30).
7. The dust removal equipment for the production in a whetstone powder workshop according to claim 6, characterized in that: An air outlet channel (5) is provided on the said gas outlet (12). The air outlet channel (5) includes a connecting section (51) located inside the fixed housing (1) and connected to the annular positioning seat (30), and a fixed section (52) located outside the fixed housing (1). First notches (53) and second notches (54) which are respectively communicated with the first limiting sliding groove (301) and the second limiting sliding groove (302) are provided at the top and bottom of the air outlet channel (5).
8. The dust removal equipment for the production of abrasive stone powder workshop according to claim 7, characterized in that: The axial length of the fixed section (52) gradually increases from top to bottom. An arc-shaped clamping groove (521) corresponding to and cooperating with the positioning post (423) is provided at the bottom edge of the fixed section (52).
9. The dust removal equipment for use in a grinding stone powder workshop according to claim 1, wherein: The conveying pipeline (2) includes a butt joint section (21) provided at the dust inlet (11), a conveying section (22) arranged in a downward inclined manner, and a connecting section (23) connected to the end of the annular fixed seat (3). The connecting section (23) is communicated with the feed hopper (31). An annular connecting portion (32) which is in threaded connection with the outer wall of the connecting section (23) is provided on the end face of the annular fixed seat (3).
10. The dust removal equipment for the production in a whetstone powder workshop according to claim 9, wherein: An annular through cavity (221) and a plurality of air holes (222) which communicate the annular through cavity (221) and the inside of the conveying pipeline (2) are provided on the side wall of the conveying section (22). The air holes (222) are arranged obliquely towards the connecting section (23). An air pump (15) is provided on the inner wall of the fixed housing (1). An air pipe (151) which is communicated with the annular through cavity (221) is provided on the air pump (15).