Limestone powder bin

Abstract

The utility model relates to the technical field of limestone powder bins, in particular to a limestone powder bin which comprises a bin body, a feeding pipe arranged on the upper side of the bin body and a ventilation device arranged on the upper side of the bin body. The ventilation device comprises a rectangular barrel communicating with the upper side of the bin body, an air outlet barrel communicating with the upper side of the rectangular barrel, a valve arranged on the air outlet barrel, a flow blocking device arranged in the rectangular barrel and used for blocking flow of limestone powder, a dust screen arranged in the rectangular barrel and located above the flow blocking device, and sweeping assemblies arranged on the two sides of the rectangular barrel correspondingly. The two cleaning assemblies both act on the lower side of the dustproof net. When the limestone powder is conveyed into the limestone powder bin, the content of the limestone powder carried in the gas is conveniently reduced, a large amount of limestone powder is prevented from being quickly attached to the dustproof net, and the limestone powder attached to the dustproof net is conveniently cleaned; and the dust screen is prevented from being blocked, so that the limestone powder is prevented from being continuously conveyed into the limestone powder bin.

Description

Technical Field

[0001] The utility model relates to the technical field of limestone powder silos, in particular to a limestone powder silo. Background Art

[0002] Limestone powder is a powder made by grinding limestone. Some factories that need a large amount of limestone raw materials usually set up limestone powder silos at the base station. The limestone powder silo is both a receiving device and a feeding device. Generally, vents are opened on the limestone powder silo to ensure the continuous transportation of limestone powder. The limestone powder silo enters the silo through automobile pneumatic conveying equipment during the receiving process. In the process of limestone powder falling into the limestone powder silo, some of the limestone powder will flow into the outside air through the vents.

[0003] The Chinese patent disclosed patent number CN218432927U is a dust-removable limestone powder silo, which prevents the limestone powder in the limestone powder silo from flowing out by setting a first dust-proof net and a second dust-proof net at the vent; however, when the limestone powder content in the gas is high, the limestone powder is easy to quickly adhere to the lower side of the dust-proof net, causing the dust-proof net to be blocked, which is easy to affect the discharge of the gas and affect the continuous transportation of the limestone powder into the limestone powder silo. Utility Model Content

[0004] The utility model aims to provide a limestone powder silo, which is used to solve the problem that when limestone powder in the exhaust gas of the existing limestone powder silo is filtered through a dustproof net, a large amount of limestone powder is easy to cause clogging of the dustproof net, resulting in affecting the continuous transportation of the limestone powder into the silo.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a limestone powder silo, comprising a silo body, a feed pipe arranged on the upper side of the silo body, and a ventilation device arranged on the upper side of the silo body, the feed pipe and the ventilation device are arranged at intervals, the ventilation device comprises a rectangular barrel connected to the upper side of the silo body, an air outlet connected to the upper side of the rectangular barrel, a valve arranged on the air outlet, a flow blocking device arranged in the rectangular barrel and used to block the flow of limestone powder, a dustproof net arranged in the rectangular barrel and located above the flow blocking device, and cleaning components respectively arranged on both sides of the rectangular barrel, and both cleaning components act on the lower side of the dustproof net.

[0006] Furthermore, the flow blocking device includes a plurality of inclined guide plates arranged longitudinally and staggered on the inner wall of the rectangular barrel, and openings are formed between the downwardly inclined ends of the plurality of inclined guide plates and the inner wall of the bin body, and serpentine channels for circulating the gas containing limestone powder are formed between the plurality of inclined guide plates and the plurality of openings.

[0007] Furthermore, the cleaning assembly includes an electric push rod arranged on the side wall of the bin body, an L-shaped mounting part connected to one end of the electric push rod and located in the bin body, and bristles arranged on the upper side of the L-shaped mounting part. One end of the electric push rod penetrates and extends into the bin body, and the bristles slideably fit on the lower side of the dustproof net.

[0008] Furthermore, a scraping device is provided in the bin body.

[0009] Furthermore, the scraper device includes a motor arranged on the upper side of the bin body, a rotating shaft connected to the output end of the motor, two vertically spaced connecting plates arranged on the outer wall of the rotating shaft, a scraper connected to the two connecting plates, and a smoothing plate connected to the outer wall of the rotating shaft, wherein the smoothing plate is located above the two connecting plates, one end of the rotating shaft passes through and extends into the bin body, the shape of the scraper is adapted to the shape of the inner wall of the bin body, and the scraper is slidably matched with the inner wall of the bin body, and the smoothing plate, the two connecting plates and the scraper are all located in the bin body.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] The utility model has the following beneficial effects:

[0012] When conveying limestone powder in the silo, the limestone powder silo enters the silo through the automobile pneumatic conveying equipment through the connected feed pipe. To ensure the continuous conveying of limestone powder, the valve is opened, and the gas in the silo enters the rectangular barrel. The limestone powder in the gas entering the rectangular barrel passes through the flow-blocking device, thereby reducing the circulation speed of the limestone powder and reducing the content of limestone powder carried in the gas. The gas is further filtered through the dust-proof net, and the filtered gas is discharged through the air outlet pipe. The two cleaning components are controlled by the controller to clean the limestone powder attached to the lower side of the dust-proof net, so as to reduce the content of limestone powder carried in the gas when conveying limestone powder into the limestone powder silo, prevent a large amount of limestone powder from quickly attaching to the dust-proof net, and facilitate the cleaning of the limestone powder attached to the dust-proof net, so as to prevent the dust-proof net from being blocked and affecting the continuous conveying of limestone powder into the limestone powder silo. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a cross-sectional schematic diagram of the limestone powder silo of the utility model;

[0014] Figure 2 It is a cross-sectional schematic diagram of the ventilation device of the utility model;

[0015] Figure 3 This is a system block diagram of the utility model.

[0016] In the figure: 1. bin body; 2. feed pipe; 3. ventilation device; 4. rectangular barrel; 5. air outlet; 6. inclined guide plate; 7. dust screen; 8. cleaning assembly; 9. electric push rod; 10. L-shaped mounting piece; 11. bristles; 12. valve; 13. scraper device; 14. motor; 15. rotating shaft; 16. connecting plate; 17. scraper; 18. leveling plate. DETAILED DESCRIPTION

[0017] See also Figure 1-3 A limestone powder silo comprises a silo body 1, a feed pipe 2 connected to the upper side of the silo body 1, and a ventilation device 3 arranged on the upper side of the silo body 1. The feed pipe 2 and the ventilation device 3 are arranged at intervals. The ventilation device 3 comprises a rectangular barrel 4 connected to the upper side of the silo body 1, an air outlet 5 connected to the upper side of the rectangular barrel 4, a valve 12 installed on the pipe section of the air outlet 5, a flow blocking device arranged in the rectangular barrel 4 and used for blocking the flow of limestone powder, a dustproof net 7 connected to the rectangular barrel 4 and located above the flow blocking device, and cleaning components 8 respectively arranged on both sides of the rectangular barrel 4, and the two cleaning components 8 both act on the lower side of the dustproof net 7; when transporting limestone powder in the silo body 1, the limestone powder silo enters the silo body 1 through the automobile pneumatic conveying equipment by connecting the feed pipe 2. In order to ensure the continuous transportation of limestone powder, Open valve 12, and the gas in bin body 1 enters into rectangular barrel 4. The limestone powder in the gas entering into rectangular barrel 4 passes through flow blocking device, so as to reduce the circulation speed of limestone powder and reduce the content of limestone powder carried in the gas. The gas is further filtered through dust-proof net 7, and the filtered gas is discharged through air outlet pipe 5. The two cleaning components 8 are controlled by controller to clean the limestone powder attached to the lower side of dust-proof net 7, so as to reduce the content of limestone powder carried in the gas when transporting limestone powder to limestone powder bin, prevent a large amount of limestone powder from quickly adhering to dust-proof net 7, and facilitate the cleaning of limestone powder attached to dust-proof net 7, so as to prevent the dust-proof net 7 from being blocked, which may affect the continuous transport of limestone powder to limestone powder bin.

[0018] The flow blocking device includes a plurality of inclined guide plates 6 welded to the inner wall of the rectangular barrel 4 and arranged in a staggered manner in the longitudinal direction. A through opening is formed between one end of the plurality of inclined guide plates 6 which is inclined downward and the inner wall of the silo 1. A serpentine channel for circulating the gas containing limestone powder is formed between the plurality of inclined guide plates 6 and the plurality of through openings. After the gas containing limestone powder enters the rectangular barrel 4, the gas circulates through the serpentine channel. The plurality of inclined guide plates 6 block the limestone powder carried in the gas, gradually reducing the content of limestone powder carried in the gas. The limestone powder falling on the inclined guide plates 6 slides downward into the silo 1 due to the arrangement at an inclined angle, thereby facilitating the reduction of the content of limestone powder in the gas.

[0019] The cleaning component 8 includes an electric push rod 9 arranged on the side wall of the bin body 1, an L-shaped mounting part 10 connected to one end of the electric push rod 9 and located in the bin body 1, and bristles 11 fixed on the upper side of the L-shaped mounting part 10. One end of the electric push rod 9 penetrates and extends into the bin body 1, and the bristles 11 slide and cooperate on the lower side of the dustproof net 7. When cleaning the limestone powder attached to the lower side of the dustproof net 7, the controller controls the electric push rod 9 to start, and the electric push rod 9 drives the bristles 11 connected to the L-shaped mounting part 10 to slide horizontally back and forth along the lower side of the dustproof net 7, and the bristles 11 clean the limestone powder attached to the lower side of the dustproof net 7.

[0020] A scraper device 13 is provided in the silo 1; the scraper device 13 comprises a motor 14 installed on the upper side of the silo 1, a rotating shaft 15 connected to the output end of the motor 14, two connecting plates 16 arranged at intervals from each other vertically on the outer wall of the rotating shaft 15, a scraper 17 connected to the two connecting plates 16, and a leveling plate 18 connected to the outer wall of the rotating shaft 15, wherein the leveling plate 18 is located above the two connecting plates 16, one end of the rotating shaft 15 passes through and extends into the silo 1, the shape of the scraper 17 is adapted to the shape of the inner wall of the silo 1, and the scraper 17 is slidably matched with the inner wall of the silo 1, and the leveling plate 18, the two connecting plates 16 and the scraper 17 are all located in the silo 1; When conveying limestone powder in the silo 1, the controller controls the motor 14 to start, the motor 14 drives the rotating shaft 15 to rotate, the rotating shaft 15 drives the scraper 17 connected by the two connecting plates 16 to rotate, and the scraper 17 drives the limestone powder entering the silo 1 to rotate, so as to prevent the problem of local accumulation of the material entering the silo 1; when the limestone powder in the silo 1 is discharged, the rotation of the scraper 17 can also facilitate the scraping off of the limestone powder adhering to the inner wall of the silo 1; when the limestone powder in the silo 1 reaches the storage height, the top surface of the limestone powder is scraped flat by rotating the screed plate 18, so as to facilitate the detection of the material level meter arranged on the silo 1.

[0021] The controller is mounted on the outer wall of the bin body 1 , and is electrically connected to the motor 14 and the two electric push rods 9 .

[0022] Working principle: When conveying limestone powder in the silo 1, the limestone powder silo enters the silo 1 through the automobile pneumatic conveying equipment through the connected feed pipe 2. To ensure the continuous conveying of limestone powder, open the valve 12, and the gas in the silo 1 enters the rectangular barrel 4. After the gas containing limestone powder enters the rectangular barrel 4, the gas flows through the serpentine channel, and multiple inclined guide plates 6 block the limestone powder carried in the gas, gradually reducing the limestone powder content carried in the gas. The limestone powder that falls on the inclined guide plate 6 slides downward into the silo 1 through the inclined angle arrangement, and the gas is further filtered through the dustproof net 7. The filtered gas is discharged through the air outlet 5. When cleaning the limestone powder attached to the lower side of the dustproof net 7, the controller controls the electric push rod 9 to start, and the electric push rod 9 drives the bristles 11 connected to the L-shaped mounting part 10 to slide back and forth horizontally along the lower side of the dustproof net 7. The bristles 11 remove the limestone attached to the lower side of the dustproof net 7. Stone powder cleaning treatment, when conveying limestone powder in the silo 1, the controller controls the motor 14 to start, the motor 14 drives the rotating shaft 15 to rotate, the rotating shaft 15 drives the scraper 17 connected by the two connecting plates 16 to rotate, and the scraper 17 drives the limestone powder entering the silo 1 to rotate, so as to prevent the material entering the silo 1 from being locally accumulated; when the limestone powder in the silo 1 is discharged, the rotation of the scraper 17 can also facilitate the scraping of the limestone powder adhering to the inner wall of the silo 1; when the limestone powder in the silo 1 reaches the storage height, the top surface of the limestone powder is scraped flat by rotating the screed 18; and when conveying limestone powder into the limestone powder silo, it is convenient to reduce the content of limestone powder carried in the gas, prevent a large amount of limestone powder from quickly adhering to the dustproof net 7, and facilitate the cleaning of the limestone powder adhering to the dustproof net 7, so as to prevent the dustproof net 7 from being blocked and affecting the continuous conveying of limestone powder into the limestone powder silo.

[0023] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A limestone powder silo, comprising a silo body (1), a feed pipe (2) arranged on the upper side of the silo body (1), and a ventilation device (3) arranged on the upper side of the silo body (1), wherein the feed pipe (2) and the ventilation device (3) are arranged at intervals, and characterized in that: The ventilation device (3) comprises a rectangular barrel (4) connected to the upper side of the bin body (1), an air outlet (5) connected to the upper side of the rectangular barrel (4), a valve (12) arranged on the air outlet (5), a flow blocking device arranged in the rectangular barrel (4) and used to block the flow of limestone powder, a dustproof net (7) arranged in the rectangular barrel (4) and located above the flow blocking device, and cleaning components (8) respectively arranged on both sides of the rectangular barrel (4), wherein the two cleaning components (8) act on the lower side of the dustproof net (7).

2. A limestone powder silo as claimed in claim 1, characterized in that: The flow blocking device comprises a plurality of inclined guide plates (6) arranged in a longitudinally staggered manner on the inner wall of the rectangular barrel (4), a through opening being formed between one end of the plurality of inclined guide plates (6) tilted downward and the inner wall of the bin body (1), and a serpentine passage for circulating the gas containing limestone powder is formed between the plurality of inclined guide plates (6) and the plurality of through openings.

3. A limestone powder silo as claimed in claim 1, characterized in that: The cleaning assembly (8) comprises an electric push rod (9) arranged on the side wall of the bin body (1), an L-shaped mounting member (10) connected to one end of the electric push rod (9) and located in the bin body (1), and bristles (11) arranged on the upper side of the L-shaped mounting member (10), one end of the electric push rod (9) passing through and extending into the bin body (1), and the bristles (11) slidingly engage with the lower side of the dustproof net (7).

4. A limestone powder silo as claimed in claim 1, characterized in that: A scraping device (13) is provided in the bin body (1).

5. A limestone powder silo as claimed in claim 4, characterized in that: The scraper device (13) comprises a motor (14) arranged on the upper side of the bin body (1), a rotating shaft (15) connected to the output end of the motor (14), two connecting plates (16) arranged on the outer wall of the rotating shaft (15) and arranged at intervals from each other vertically, a scraper (17) connected to the two connecting plates (16), and a leveling plate (18) connected to the outer wall of the rotating shaft (15), wherein the leveling plate (18) is located above the two connecting plates (16), one end of the rotating shaft (15) passes through and extends into the bin body (1), the shape of the scraper (17) is adapted to the shape of the inner wall of the bin body (1), and the scraper (17) is slidably matched with the inner wall of the bin body (1), and the leveling plate (18), the two connecting plates (16) and the scraper (17) are all located in the bin body (1).

Images