CN210058972U - Air-flow conveying powder impurity removing device and powder conveying system using same - Google Patents
Air-flow conveying powder impurity removing device and powder conveying system using same Download PDFInfo
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- CN210058972U CN210058972U CN201920339816.5U CN201920339816U CN210058972U CN 210058972 U CN210058972 U CN 210058972U CN 201920339816 U CN201920339816 U CN 201920339816U CN 210058972 U CN210058972 U CN 210058972U
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Abstract
The utility model relates to an air conveying powder edulcoration device and use device's powder conveying system, powder conveying system include the feed bin and with the air conveying powder edulcoration device of the bin mouth intercommunication of feed bin, air conveying powder edulcoration device includes an edulcoration section of thick bamboo, be equipped with the isolation otter board that separates an edulcoration section of thick bamboo for upper material collecting chamber and lower floor's deposit room in the edulcoration section of thick bamboo, be equipped with the feed inlet that supplies to get into lower floor's deposit room through the powder that the air conveying was said on the lateral wall of lower floor's deposit room, the lower extreme opening of an edulcoration section of thick bamboo is for supplying the impurity exhaust row's cinder notch in the lower floor's deposit room, be equipped with on the edulcoration section of thick bamboo with the upper material collecting chamber intercommunication in order to supply the discharge gate of a powder material outflow.
Description
Technical Field
The utility model relates to an air current carries powder edulcoration device and uses device's powder conveying system.
Background
Powder in the prior art, such as cement, is usually transported to a storage bin site through a powder and particle material transport vehicle, then a material conveying pipe of the powder and particle material transport vehicle is communicated with a feeding pipe of the storage bin, and an air compressor of the powder and particle material transport vehicle conveys the cement into the storage bin through air flow. In the process of conveying cement from a powder material transport vehicle to a storage bin, the problem that impurities in powder cannot be separated exists.
The utility model discloses a chinese utility model patent that the grant bulletin number is CN202983874U, the grant bulletin date is 2013.06.12 discloses a powder edulcoration device, powder edulcoration device includes the rose box of tube-shape, the lower extreme of rose box is connected with the inlet pipe, the upper end of rose box is connected with the discharging pipe, be equipped with the slag door on the box of rose box, the inside two-layer magnetic filtration baffle that is equipped with of rose box, all have the filtration pore on every layer of filtration baffle, the filtration pore aperture in the lower floor's magnetic filtration baffle is greater than the filtration pore aperture in the upper strata magnetic filtration baffle. The powder is pumped out in vacuum and then enters the filter box from bottom to top, and the powder flows out of the discharge pipe after being filtered and purified by the two layers of magnetic filtering clapboards.
Above-mentioned powder edulcoration device sets up when the edulcoration between powder material transport vechicle and feed bin, and the air compressor machine through powder material transport vechicle provides the power that gets into in the powder edulcoration device to the powder, solves among the prior art powder transportation process and can not separate the problem of impurity in the powder. However, impurity in the above-mentioned powder adsorbs through upper and lower two-layer magnetic filter baffle, need regularly carry out the scarfing cinder operation to the magnetic filter baffle, and impurity adsorbs and be difficult for clearing up on the magnetic filter baffle, probably need pull down the filter baffle from the scarfing cinder door and clear up, perhaps stretch into the rose box through specific device from the scarfing cinder door and scrape impurity from the filter baffle, no matter which kind of scarfing cinder method of adoption, all there is the problem of scarfing cinder complex operation, inconvenient scarfing cinder.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an air flow conveying powder impurity removing device, which solves the problems of complex slag removing operation and inconvenient slag removal of the powder impurity removing device in the prior art; an object of the utility model is to provide a solve the powder conveying system of above-mentioned problem of using above-mentioned air current to carry powder edulcoration device.
The utility model discloses an air-conveying powder edulcoration device adopts following technical scheme:
the air flow conveying powder impurity removing device comprises an impurity removing barrel, an isolating screen plate which is used for separating the impurity removing barrel into an upper layer collecting chamber and a lower layer settling chamber is arranged in the impurity removing barrel, a feed inlet through which powder conveyed by air flow enters the lower layer settling chamber is formed in the side wall of the lower layer settling chamber, a slag discharging port through which the impurity in the lower layer settling chamber is discharged is formed in the lower end opening of the impurity removing barrel, and a discharge port communicated with the upper layer collecting chamber and used for enabling the powder to flow out of the impurity removing barrel is formed in the impurity removing barrel.
The utility model has the advantages that: powder through air flow conveying gets into lower floor's deposit room by the feed inlet, the great impurity of proportion subsides at a edulcoration section of thick bamboo lower extreme in the powder, the impurity of specific gravity is kept apart in lower floor's deposit room by keeping apart the otter board, and pure powder is at self velocity of flow, air buoyancy passes the discharge gate that keeps apart the otter board from communicating with upper collection room under the combined action of self gravity and flows, when air flow conveying powder edulcoration device is out of work, the impurity that the specific gravity is lighter falls to the bottom of lower floor's deposit room under the action of gravity, the impurity removal section of thick bamboo can be conveniently cleared up out to the impurity that falls at an edulcoration section of thick bamboo lower extreme from the slag discharge gate department of bottom, need not dismantle and keep apart the otter board or scrape away impurity from keeping apart the otter board, the scarfing cinder convenient.
In order to enable the impurities to automatically fall to the slag discharge port, the impurities are conveniently cleaned, and meanwhile, the wall of the impurity removal barrel is prevented from blocking the powder to flow out of the discharge port.
In order to enable the powder and impurities in the lower-layer settling chamber to be layered up and down and enable the powder to flow out of the impurity removing cylinder quickly, a gasification groove is arranged on the conical part of the settling chamber in the scheme, and a gasification groove air inlet pipe for providing high-pressure gas is connected to the gasification groove. The gasification groove fluidizes the powder, increases the fluidity of the powder, enables the powder and impurities in the lower-layer settling chamber to be layered up and down, and can accelerate the flowing speed of the powder, so that the powder can flow out from the impurity removing cylinder quickly.
In order to reduce the resistance of the powder to the movement process after the powder enters the impurity removing cylinder, the central line of the feed inlet is tangent to the side wall of the lower-layer settling chamber, so that the powder can move along the circumferential direction of the side wall of the impurity removing cylinder after entering the lower-layer settling chamber, and the resistance of the side wall of the impurity removing cylinder to the powder is reduced.
In order to facilitate the detachment and replacement of the isolation screen plate, the isolation screen plate is connected with the side walls of the upper-layer material collecting chamber and the lower-layer settling chamber through flanges.
In order to facilitate the connection and the disassembly of the slag discharging door at the slag discharging opening, the slag discharging opening is provided with a slag discharging opening flange connected with the slag discharging door for plugging the slag discharging opening.
In order to facilitate the connection and the disassembly of the feeding pipe and the impurity removing barrel, the discharge port is provided with a discharge port flange plate connected with the feeding pipe.
The utility model discloses a powder conveying system adopts following technical scheme:
powder conveying system, including the feed bin and with the air current of the bin gate intercommunication of feed bin carry powder edulcoration device, air current carries powder edulcoration device and includes an edulcoration section of thick bamboo, be equipped with the isolation otter board that separates an edulcoration section of thick bamboo for upper collecting chamber and lower floor's deposit room in the edulcoration section of thick bamboo, be equipped with the feed inlet that supplies to get into lower floor's deposit room through the powder that the air current carried on the lateral wall of lower floor's deposit room, the lower extreme opening of an edulcoration section of thick bamboo is for supplying the impurity exhaust row cinder notch in the lower floor's deposit room, be equipped with on the edulcoration section of thick bamboo with.
The utility model has the advantages that: when the device is used, a feed inlet of the air flow conveying powder impurity removing device is connected with a feed delivery pipe of a powder material transport vehicle, a discharge outlet is connected with a feed pipe of a bin, an air compressor of the powder material transport vehicle conveys powder materials to a lower-layer settling chamber through air flow, impurities with higher specific gravity in the powder materials settle at the lower end of an impurity removing cylinder, impurities with lower specific gravity are isolated in the lower-layer settling chamber by an isolation screen plate, pure powder materials pass through the isolation screen plate under the combined action of self flow velocity, air buoyancy and self gravity to flow out of the discharge outlet communicated with an upper-layer collecting chamber and enter the bin, when the device does not work, the impurities with lower specific gravity fall to the bottom of the lower-layer settling chamber under the action of gravity, the impurities falling at the lower end of the impurity removing cylinder can be conveniently cleaned out of the impurity removing cylinder from a slag discharge outlet at the bottom, the isolation, the slag removing operation is convenient, and the problems of complex slag removing operation and inconvenient slag removal existing in the air flow powder impurity removing device in the prior art are solved.
In order to enable the impurities to automatically fall to the slag discharge port, the impurities are conveniently cleaned, and meanwhile, the wall of the impurity removal barrel is prevented from blocking the powder to flow out of the discharge port.
In order to enable the powder and the impurities in the lower-layer settling chamber to be layered up and down and enable the powder to flow out of the impurity removing cylinder quickly, a gasification tank is arranged on the conical part of the settling chamber in the scheme, and a gasification tank air inlet pipe for providing high-pressure gas for the gasification tank is arranged on the impurity removing cylinder; the gasification groove fluidizes the powder, increases the fluidity of the powder, enables the powder and impurities in the lower-layer settling chamber to be layered up and down, and can accelerate the flowing speed of the powder, so that the powder can flow out from the impurity removing cylinder quickly.
In order to reduce the resistance of the powder to the movement process after the powder enters the impurity removing cylinder, the central line of the feed inlet is tangent to the side wall of the lower-layer settling chamber, so that the powder can move along the circumferential direction of the side wall of the impurity removing cylinder after entering the lower-layer settling chamber, and the resistance of the side wall of the impurity removing cylinder to the powder is reduced.
In order to facilitate the detachment and replacement of the isolation screen plate, the isolation screen plate is connected with the side walls of the upper-layer material collecting chamber and the lower-layer settling chamber through flanges.
In order to facilitate the connection and the disassembly of the slag discharging door at the slag discharging opening, the slag discharging opening is provided with a slag discharging opening flange connected with the slag discharging door for plugging the slag discharging opening.
In order to facilitate the connection and the disassembly of the feeding pipe and the impurity removing barrel, the discharge port is provided with a discharge port flange connected with the feeding pipe.
Drawings
FIG. 1 is a schematic structural view of a powder conveying system of the present invention;
FIG. 2 is a schematic structural diagram of the powder impurity removing device conveyed by the airflow in FIG. 1.
In the figure: 1-a discharge port flange plate; 2-an upper-layer collecting chamber; 3-isolating the screen plate; 4-a feed inlet; 5-lower settling chamber; 6-an inflation box; 7-a slag discharge port flange plate; 8-a gasification tank air inlet pipe; 9-a pressurized nozzle; 10-nozzle air inlet pipe; 11-gasification cloth; 100-an air flow conveying powder impurity removing device; 200-a storage bin; 201-a feeding pipe; 202-a dust remover; 300-powder material transport vehicle; 301-an air compressor; 302-cement.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
The utility model discloses a powder conveying system's embodiment, as shown in FIG. 1, powder conveying system includes feed bin 200, carries powder edulcoration device 100 with the air current of the bin mouth intercommunication of feed bin 200, is equipped with dust remover 202 on the feed bin 200. As shown in FIG. 2, the air flow conveying powder impurity removing device 100 comprises an impurity removing cylinder and an isolation screen plate 3 arranged in the impurity removing cylinder, wherein the isolation screen plate 3 divides the impurity removing cylinder into an upper-layer collecting chamber 2 and a lower-layer settling chamber 5. The edulcoration section of thick bamboo in this embodiment includes the straight section of thick bamboo part of the toper part at both ends and connection two toper parts, and the diameter that the one end of toper part is close to straight section of thick bamboo part is greater than the diameter of keeping away from straight section of thick bamboo part one end. The side wall of the straight cylinder part is provided with a feed inlet 4, the end part of the upper conical part, which is far away from the straight cylinder part, is provided with a discharge outlet communicated with the upper-layer collecting chamber 2, and the end part of the lower conical part, which is far away from the straight cylinder part, is provided with a slag discharge port for discharging impurities in the lower-layer settling chamber 5.
In this embodiment, the powder is cement 302, the vehicle for conveying the cement 302 is a powder material transport vehicle 300, and when the device is used, the feed port 4 of the air flow powder impurity removal device 100 is communicated with the discharge port of the powder material transport vehicle 300, and the discharge port is communicated with the bin opening of the bin 200 through the feed pipe 201. An air compressor 301 is arranged on the powder material transport vehicle 300, and powder materials are conveyed into the lower-layer settling chamber 5 through air flow provided by the air compressor 301. The impurity with larger specific gravity in the powder in the impurity removing cylinder settles at the lower end of the impurity removing cylinder, the impurity with light specific gravity is isolated in the lower settling chamber 5 by the isolation screen plate 3, and the pure powder passes through the isolation screen plate 3 under the combined action of the self flow velocity, the air buoyancy and the self gravity and flows out from the discharge port, and enters the feed bin 200 through the feeding pipe 201.
When powder edulcoration device 100 was out of work in the air current transport, the impurity that proportion is lighter falls to the bottom of lower floor's deposit room 5 in self action of gravity, and the impurity removal section of thick bamboo is cleared up out to the impurity that falls into impurity removal section of thick bamboo lower extreme that can be convenient from the slag discharge mouth department of bottom, need not dismantle isolation otter board 3 or scrape impurity from isolation otter board 3, and the problem of scarfing cinder complex operation, inconvenient scarfing cinder that the powder edulcoration device exists among the prior art has been solved to scarfing cinder convenient operation. In other implementations, the powder material can also be lime powder, coal powder and other powder materials.
The conical part of the lower settling chamber 5 is provided with a gasification tank, the gasification tank comprises a connecting flange, an air inflation box 6 and gasification cloth 11, the gasification tank is connected with a gasification tank air inlet pipe 8 for providing high-pressure gas, and the gasification tank air inlet pipe 8 is communicated with the air inflation box 6. Specifically, the side wall of the lower settling chamber 5 is provided with a mounting hole for communicating with the inflation box 6, when the gasification tank is mounted, the connecting flange is welded and fixed at the mounting hole, and the gasification cloth 11 is clamped and fixed between the inflation box 6 and the connecting flange. It should be noted that a flange corresponding to the connecting flange is arranged on the air inflation box 6, and the connecting flange and the flange are fixedly connected through bolts and clamp the gasification cloth 11. The function of the gasification cloth 11 is to make the air flow uniform and block the powder material from entering the air charging box 6. The gasification tank in this embodiment is a gasification tank manufactured by the firm-sense mechanical company ltd and having a product model of XZ.
When the device is used, high-pressure gas enters the gasification tank through the gasification tank gas inlet pipe 8 to fluidize powder, so that the fluidity of the powder is increased, the powder and impurities in the lower-layer settling chamber 5 are layered up and down, the flow speed of the powder can be increased, and the powder can flow out from the impurity removal cylinder quickly. When the device is used specifically, the pressure and the flow rate of high-pressure air can be determined according to the specific gravity of the powder, so that the airflow flowing out of the gasification tank drives the powder to move upwards, and the impurities with high specific gravity cannot be driven to move upwards, so that the powder is positioned above the impurities.
In order to further accelerate the powder to flow out of the impurity removing barrel and increase the conveying efficiency of the powder, a pressurizing nozzle 9 with an opening facing the discharge port is arranged in the upper-layer material collecting chamber 2 in the embodiment, a nozzle air inlet pipe 10 for providing high-pressure gas is connected to the pressurizing nozzle 9, the high-pressure gas forms negative pressure at the discharge port after being sprayed out from the pressurizing nozzle 9, and the powder flows out of the discharge port rapidly under the action of the negative pressure at the discharge port. The nozzle air inlet pipe 10 in the embodiment is a metal pipe, and the nozzle air inlet pipe 10 is fixed on the side wall of the upper-layer material collecting chamber 2 through welding so as to ensure the sealing performance between the nozzle air inlet pipe 10 and the side wall of the upper-layer material collecting chamber 2 and avoid powder waste.
For the convenience of design and installation, the gasification tank inlet pipe 8 in this embodiment is communicated with the nozzle inlet pipe 10, so that the gasification tank inlet pipe 8 and the nozzle inlet pipe 10 share the same gas source, and the flow rate of gas in the two inlet pipes is controlled by two different valves (not shown in the figure). In order to reduce the resistance of the powder to the movement process after the powder enters the impurity removing cylinder, the central line of the feed inlet 4 in the embodiment is tangent to the side wall of the lower settling chamber 5, so that the powder can move along the circumferential direction of the side wall of the impurity removing cylinder after entering the lower settling chamber 5, and the resistance of the side wall of the impurity removing cylinder to the powder is reduced.
In order to facilitate the detachment and replacement of the isolation screen plate 3, the isolation screen plate 3 in the embodiment is connected with the side walls of the upper-layer collecting chamber 2 and the lower-layer settling chamber 5 through flanges. It should be noted that the slag discharging port needs to be plugged by the slag discharging door in the powder conveying process, and in order to facilitate the opening and closing of the slag discharging door, the slag discharging port in this embodiment is provided with a slag discharging port flange 7 connected with the slag discharging door. In addition, in order to facilitate the connection between the feeding pipe 201 and the discharge port and the replacement of the feeding pipe 201, a discharge port flange 1 is arranged at the discharge port in the embodiment, and the feeding pipe 201 is connected with the discharge port through the discharge port flange 1.
During the use, air conveying powder edulcoration device 100 is connected between powder material transport vechicle 300 and feed bin 200, and the powder is provided power by the air compressor machine 301 of powder material transport vechicle 300, gets into lower floor's settling chamber 5 through air conveying powder edulcoration device 100 feed inlet 4, and the impurity that the specific gravity is light is kept apart to the lower floor by keeping apart otter board 3, and the impurity that the specific gravity is big is settled at the row cinder notch, and finished product powder passes through the gasification groove pressurization and gets into upper aggregate chamber 2 to carry to feed bin 200 through pressurization nozzle 9. The pneumatic conveying powder impurity removing device 100 not only has the impurity removing effect on powder, but also improves the conveying efficiency of the powder, and solves the problems that the conveying efficiency is low, the conveying distance is short, and the impurities in the powder cannot be separated in the unloading process of the powder in a bulk vehicle.
In other embodiments, the impurity removing barrel can be a straight barrel-shaped structure with consistent aperture, the feed inlet is still arranged at the upper end, and the slag discharge port is arranged at the lower end. In other embodiments, the powder impurity removal device can also be used in the transfer or powder conveying process of other powders, such as lime powder and coal powder.
In other embodiments, the lower settling chamber may not be provided with a gasification tank; the gasification groove also can be replaced by the air channel vertical to the conical part of the lower settling chamber, which is arranged along the circumferential interval of the lower settling chamber, the flow of the powder is accelerated by high-pressure air in the air channel, at the moment, the flow rate of the air flow for conveying the powder can be increased, the powder flows out of the impurity removing cylinder under the combined action of the self flow rate, the air buoyancy and the gravity after entering the impurity removing cylinder, and impurities in the powder fall to the bottom end of the lower settling chamber under the action of the self gravity.
In other embodiments, the upper-layer collecting chamber can be provided with no pressurizing nozzle, and the powder flows out of the impurity removing cylinder under the combined action of the self flow velocity, the air buoyancy and the self gravity, or the discharge port of the upper-layer collecting chamber is provided with a suction fan to suck the powder out of the impurity removing cylinder.
In other embodiments, the nozzle air inlet pipe can also be fixed in the upper-layer material collecting chamber through interference fit with the side wall of the upper-layer material collecting chamber; the nozzle air inlet pipe can also extend into the upper-layer material collecting chamber from the upper part of the impurity removing barrel, and a bracket for fixing the pressurizing nozzle and the nozzle air inlet pipe is arranged in the upper-layer material collecting chamber so as to fix the pressurizing nozzle in the upper-layer material collecting chamber.
In other embodiments, the center line of the feed inlet may also coincide with one diameter of the impurity removing barrel, and at this time, the powder enters the impurity removing barrel along the diameter direction, and the powder may be stopped by the side wall of the impurity removing barrel opposite to the feed inlet, so as to reduce the flow velocity and be not beneficial to the outflow of the powder.
In other embodiments, the isolation screen plate can also be fixed on the impurity removing cylinder by welding, but the replacement of the isolation screen plate cannot be realized; the slag discharging door can also be hinged at the slag discharging opening at one side, and the other side is fixed on the wall of the impurity removing barrel through a pin shaft; the feeding pipe can also be welded and fixed with the impurity removing barrel, and the feeding pipe is inconvenient to replace if powder leakage and other conditions happen to the feeding pipe.
The utility model discloses a concrete embodiment of air current transport powder edulcoration device, the air current transport powder edulcoration device in this embodiment is the same with the structure of the air current transport powder edulcoration device among the above-mentioned powder conveying system, no longer gives unnecessary details.
Claims (8)
1. Air-conveying powder edulcoration device, including an edulcoration section of thick bamboo, characterized by, be equipped with in the edulcoration section of thick bamboo and separate an edulcoration section of thick bamboo for the upper collection room and the isolation otter board of lower floor's deposit room, be equipped with the feed inlet that supplies to get into lower floor's deposit room through the powder that the air-conveying on the lateral wall of lower floor's deposit room, the lower extreme opening of an edulcoration section of thick bamboo is for supplying the impurity exhaust row's cinder notch in the lower floor's deposit room, be equipped with on the edulcoration section of.
2. The airflow-conveyed powder impurity removing device as claimed in claim 1, wherein the impurity removing barrel comprises two tapered parts at two ends and a straight barrel part connecting the two tapered parts, the diameter of the tapered part at one end close to the straight barrel part is larger than that of the tapered part at one end far away from the straight barrel part, and the slag discharge port and the discharge port are respectively arranged at the end parts of the tapered parts at two ends far away from the straight barrel part.
3. The device for removing impurities in powder conveyed by air flow according to claim 2, wherein a gasification tank is arranged on the conical part of the settling chamber, and a gasification tank air inlet pipe for providing high-pressure gas is connected to the gasification tank.
4. The pneumatic conveying powder impurity removing device for the pneumatic conveying powder of claim 1, 2 or 3, wherein the center line of the feeding hole is tangent to the side wall of the lower settling chamber.
5. The airflow-conveyed powder impurity removal device as claimed in claim 1, 2 or 3, wherein the isolation screen plate is connected with the side walls of the upper-layer collecting chamber and the lower-layer settling chamber through flanges.
6. The device for removing impurities in powder conveyed by airflow according to claim 1, 2 or 3, wherein a slag discharge port flange connected with a slag discharge door for plugging the slag discharge port is arranged at the slag discharge port.
7. The airflow-conveyed powder impurity removing device as claimed in claim 1, 2 or 3, wherein a discharge port flange plate connected with the feeding pipe is arranged on the discharge port.
8. The powder conveying system comprises a storage bin and is characterized by further comprising an air flow conveying powder impurity removal device communicated with the storage bin, wherein the air flow conveying powder impurity removal device is the air flow conveying powder impurity removal device in any one of claims 1-7, and a discharge hole of the air flow conveying powder impurity removal device is communicated with the storage bin.
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| CN201920339816.5U CN210058972U (en) | 2019-03-18 | 2019-03-18 | Air-flow conveying powder impurity removing device and powder conveying system using same |
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| CN201920339816.5U CN210058972U (en) | 2019-03-18 | 2019-03-18 | Air-flow conveying powder impurity removing device and powder conveying system using same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022081168A (en) * | 2020-11-19 | 2022-05-31 | プライムプラネットエナジー＆ソリューションズ株式会社 | Fine-particle sorting apparatus |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022081168A (en) * | 2020-11-19 | 2022-05-31 | プライムプラネットエナジー＆ソリューションズ株式会社 | Fine-particle sorting apparatus |
| JP7312156B2 (en) | 2020-11-19 | 2023-07-20 | プライムプラネットエナジー＆ソリューションズ株式会社 | Powder sorter |
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