CN114472906B - Dust exhauster for aerosolization powder making equipment and using method thereof - Google Patents
Dust exhauster for aerosolization powder making equipment and using method thereof Download PDFInfo
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- CN114472906B CN114472906B CN202210060624.7A CN202210060624A CN114472906B CN 114472906 B CN114472906 B CN 114472906B CN 202210060624 A CN202210060624 A CN 202210060624A CN 114472906 B CN114472906 B CN 114472906B
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- tail
- metal powder
- rotary conveying
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- 239000000843 powder Substances 0.000 title claims abstract description 115
- 239000000428 dust Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000012387 aerosolization Methods 0.000 title claims description 3
- 239000002184 metal Substances 0.000 claims abstract description 69
- 229910052751 metal Inorganic materials 0.000 claims abstract description 69
- 239000000463 material Substances 0.000 claims description 30
- 238000007789 sealing Methods 0.000 claims description 28
- 238000000889 atomisation Methods 0.000 claims description 15
- 238000001179 sorption measurement Methods 0.000 claims description 15
- 230000009471 action Effects 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 230000005389 magnetism Effects 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000010298 pulverizing process Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 37
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229920006125 amorphous polymer Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/0896—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid particle transport, separation: process and apparatus
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a dust exhauster for aerosolizing powder making equipment and a use method thereof, which are characterized by comprising a tail row pipeline, a rotary conveying component and a powder collecting component, wherein the rotary conveying component is arranged in the tail row pipeline and is communicated with the rotary conveying component, the tail gas containing metal powder entering the tail row pipeline is conveyed to the powder collecting component by the rotary conveying component, and the powder collecting component is used for magnetically adsorbing the metal powder to separate the metal powder from the tail gas.
Description
Technical Field
The invention discloses a dust remover for aerosolized powder making equipment and a using method thereof, relates to a dust remover used on aerosolized powder making equipment and a using method thereof, and belongs to the technical field of metal powder manufacturing.
Background
Vacuum gas atomization powder preparation is to smelt metal or metal alloy in a smelting furnace under vacuum condition, under the protection of inert gas, to break up metal or alloy liquid into fine liquid drops by fast moving fluid impact in an atomization furnace, then to condense the fine liquid drops into solid powder, so as to achieve the purpose of powder preparation, in the preparation process of metal powder, stable gas pressure in the furnace is one of important factors influencing atomization quality, excessive pressure easily causes turbulence of gas flow in the atomization furnace, influences the properties of powder particle size and the like, and potential safety hazard exists, therefore, tail discharge is needed to timely reduce the pressure in the atomization furnace in the atomization production process, so that the gas pressure in a furnace chamber in the atomization process is stable, the existing tail discharge device generally comprises a fan, a cloth bag, a connecting pipe and the like, the connecting pipe is communicated with the atomization furnace and the fan, tail gas in the atomization furnace is discharged through the cloth bag under the action of the fan, the cloth bag filters and collects dust and residual powder, prevents dust and residual powder from entering the air to pollute the environment, but the tail discharge device cannot protect a fan, is easy to cause local fan impeller blockage, and further can cause unstable tail discharge quantity, the air pressure fluctuation range of an atomization furnace cavity is large, a filtering structure is arranged in front of the fan to adsorb metal powder in tail gas, and then the fan is protected, but the filtering structure is generally a filter screen or a filter core, as the tail discharge continuously goes on, the metal powder adsorbed on the filter screen or the filter core is more and more, and as the filter screen is arranged in the tail discharge device, a worker is difficult to judge the adsorption condition of the metal powder on the filter screen, the filter screen is easily blocked, the tail gas cannot be normally discharged, so that the pressure in the atomization furnace is overlarge, the properties of the metal powder are reduced.
The publication No. CN211098225U discloses a tail gas dust removing device of a metal powder atomizing furnace, which comprises an atomizing furnace, wherein the atomizing furnace is connected with a tail gas filtering dust removing mechanism through a pipeline, the tail gas filtering dust removing mechanism comprises a left dust removing box and a right fan box which are separated, a dust collecting box is arranged at the lower part of the left dust removing box, a platform is arranged at the upper part of the left dust removing box, and a filter element is vertically arranged below the platform; the right side fan case is provided with centrifugal fan, centrifugal fan inserts the pipe and communicates with each other with left side dust removal case, outside the tail calandria that centrifugal fan connects was drawn forth right side fan case, the device adsorbs the metal powder in the tail gas through the filter core, and then protects the fan, but along with last going on of tail row, the metal powder that adsorbs on the filter core can be more and more, and because the filter core setting is in the inside of device, the staff is difficult to judge the adsorption condition of metal powder on the filter core, the filter core is stopped up easily, the unable normal exhaust's of tail gas condition appears, make the atomizing stove internal pressure too big, reduce the performance of metal powder.
Publication number CN209698043U discloses a tail row device of an aerosolized powder process apparatus, comprising: the device comprises a pressure sensor, a controller, a valve and a warning indicator, wherein the pressure sensor is connected with the controller, the controller is respectively connected with the valve and the warning indicator, the valve is used for controlling the tail row to be opened or closed, the tail row device is controlled to be opened or closed through the valve, but the tail row device cannot protect a fan, local fan impellers are blocked easily, unstable tail row flow is caused, the air pressure fluctuation range of an atomization furnace cavity is large, and the performance of metal powder is reduced.
Disclosure of Invention
In order to improve the situation, the invention provides the dust exhauster for the aerosolized powder making equipment and the using method thereof, and the dust exhauster is used for conveying tail gas containing metal powder to a material collecting box through the hollow spiral plate matched with the rotary conveying pipe, collecting the metal powder through magnetic adsorption of the material collecting electromagnet, preventing a fan from being blocked and simultaneously not influencing the flow of the tail gas, and the using method thereof.
The invention relates to a dust exhauster for an aerosolized powder making device, which is realized by the following steps: the invention relates to a dust exhauster for an aerosolized powder making device, which comprises a tail row pipeline, a rotary conveying component and a powder collecting component, wherein the rotary conveying component is arranged in the tail row pipeline, the powder collecting component is communicated with the rotary conveying component,
it is characterized in that the rotary conveying component conveys the tail gas containing the metal powder entering the tail gas exhaust pipeline to the powder collecting component, the powder collecting component magnetically adsorbs the metal powder to separate the metal powder from the tail gas,
the rotary supporting component consists of a rotary motor, a supporting sleeve, a hollow spiral plate, a guide hole, a sealing strip, a rotary conveying pipe, a fixed sleeve, a separating pipe, a weak magnet sheet, a sealing bearing and a filter screen, wherein the rotary motor is arranged in the tail row pipeline through a connecting rod and is close to one end of the tail row pipeline,
preferably, the rotary motor is a sealed motor, the central lines of the rotary motor shaft and the tail drain pipeline are on the same straight line,
the supporting sleeve is arranged in the tail row pipeline through the supporting rod, the fixing sleeve is arranged in the tail row pipeline through the fixing rod,
preferably, the central line of the supporting sleeve and the central line of the tail drain pipeline are on the same straight line, the central line of the fixing sleeve and the central line of the tail drain pipeline are on the same straight line,
a rotary conveying pipe is arranged between the supporting sleeve and the fixed sleeve, one end of the rotary conveying pipe passes through a sealing bearing in the supporting sleeve and is connected with a rotary motor shaft, the other end of the rotary conveying pipe is arranged in the sealing bearing in the fixed sleeve, one end of the separating pipe is arranged in the sealing bearing in the fixed sleeve, the other end of the separating pipe passes out of the fixed sleeve,
preferably, the inner diameter of the separating tube is slightly larger than the inner diameter of the rotary conveying tube,
the filter screen is arranged at the other end of the separating tube,
preferably, the included angle between the filter screen and the center line of the separating tube is between 30 degrees and 60 degrees,
preferably, one end of the rotary conveying pipe is of a closed structure,
preferably, the length of the rotary conveying pipe is one third of the length of the tail pipe,
the hollow spiral plate is sleeved on the rotary conveying pipe and is communicated with the rotary conveying pipe, one end of the hollow spiral plate is close to one end of the rotary conveying pipe, the other end of the hollow spiral plate extends spirally towards the other end of the rotary conveying pipe, the edge of the hollow spiral plate is provided with a sealing strip, the sealing strip is contacted with the inner wall of a tail drain pipeline, a guide hole is formed in the hollow spiral plate, a weak magnetic iron sheet is arranged in the hollow spiral plate corresponding to the guide hole,
preferably, the guide hole has a large inlet and a small outlet,
the powder collecting assembly consists of a second collecting pipe, a collecting box, a first collecting pipe, a collecting electromagnet, a guiding electromagnet and a baffle plate,
the material collecting box is arranged at the position of the outer wall of the tail drain pipeline corresponding to the separating pipe,
preferably, the material collecting box is made of transparent material, a material discharging pipe is arranged on the material collecting box, one end of the material discharging pipe is communicated with the material collecting box, a sealing plug is arranged at the other end of the material discharging pipe,
the first collecting pipe one end is linked together with the separator tube, and the other end and collection case are linked together, first collecting pipe is close to separator tube one end, and second collecting pipe one end is linked together with the separator tube, and the other end and collection case are linked together, the second collecting pipe is close to the separator tube other end, and the guide electro-magnet has been put to the other end cover of second collecting pipe, and the baffle is arranged in collection case, divides into the collection case and adsorbs the chamber with collecting the chamber, and the suction chamber is arranged in to the electro-magnet that gathers materials, and the collecting chamber is linked together with first collecting pipe and second collecting pipe respectively.
Has the beneficial effects of.
1. The metal powder in the tail gas can be adsorbed and filtered when the tail gas is discharged, so that the fan is prevented from being blocked.
2. The metal powder is filtered by utilizing the magnetic adsorption of the electromagnet, so that the blockage of a pipeline can not be caused, and the flow of tail gas is not influenced.
3. The metal powder in the tail gas can be recovered, and the waste of resources is avoided.
4. Simple structure, convenient and practical, and easy popularization.
Drawings
FIG. 1 is a schematic view showing the structure of a dust exhauster for an aerosolized powder process apparatus according to the present invention;
fig. 2 is a perspective exploded view of a dust exhauster for an aerosolized powder process apparatus of the present invention, showing only a split structure between an inner and outer filter cartridges;
FIG. 3 is a schematic view showing the structure of an external filter cartridge of a dust exhauster for an aerosolized powder process apparatus according to the present invention;
fig. 4 is a schematic view showing a structure of a filter cartridge in a dust remover for an aerosolized powder process apparatus according to the present invention.
In the accompanying drawings
Wherein the method comprises the following steps: tail pipe line (1), rotating electrical machines (2), supporting sleeve (3), cavity spiral plate (4), guide hole (5), sealing strip (6), rotatory conveyer pipe (7), fixed cover (8), separator tube (9), second collecting pipe (10), collection box (11), first collecting pipe (12), electro-magnet (13) gathers materials, weak magnet piece (14), sealing bearing (15), filter screen (16), guide electro-magnet (17), baffle (18).
The specific embodiment is as follows:
the invention relates to a dust exhauster for an aerosolized powder making device, which is realized by the following steps: comprises a tail drain pipeline (1), a rotary conveying assembly arranged in the tail drain pipeline (1) and a powder collecting assembly communicated with the rotary conveying assembly,
it is characterized in that the rotary conveying component conveys the tail gas containing metal powder entering the tail gas pipeline (1) to the powder collecting component, the powder collecting component magnetically adsorbs the metal powder to separate the metal powder from the tail gas,
the rotary supporting component consists of a rotary motor (2), a supporting sleeve (3), a hollow spiral plate (4), a guide hole (5), a sealing strip (6), a rotary conveying pipe (7), a fixed sleeve (8), a separating pipe (9), a weak magnet sheet (14), a sealing bearing (15) and a filter screen (16), wherein the rotary motor (2) is arranged in a tail pipe (1) through a connecting rod and is close to one end of the tail pipe (1),
preferably, the rotating motor (2) is a sealed motor, the shaft of the rotating motor (2) and the central line of the tail drain pipeline (1) are positioned on the same straight line,
the supporting sleeve (3) is arranged in the tail drain pipeline (1) through the supporting rod, the fixing sleeve (8) is arranged in the tail drain pipeline (1) through the fixing rod,
preferably, the central line of the supporting sleeve (3) and the central line of the tail drain pipeline (1) are on the same straight line, the central line of the fixing sleeve (8) and the central line of the tail drain pipeline (1) are on the same straight line,
a rotary conveying pipe (7) is arranged between the supporting sleeve (3) and the fixed sleeve (8), one end of the rotary conveying pipe (7) penetrates through a sealing bearing (15) in the supporting sleeve (3) to be connected with a rotating motor (2) shaft, the other end of the rotary conveying pipe is arranged in the sealing bearing (15) in the fixed sleeve (8), one end of the separating pipe (9) is arranged in the sealing bearing (15) in the fixed sleeve (8), the other end of the separating pipe penetrates out of the fixed sleeve (8),
preferably, the inner diameter of the separating tube (9) is slightly larger than the inner diameter of the rotary conveying tube (7),
the filter screen (16) is arranged at the other end of the separation tube (9),
preferably, the included angle between the filter screen (16) and the central line of the separating tube (9) is between 30 degrees and 60 degrees,
preferably, one end of the rotary conveying pipe (7) is of a closed structure,
preferably, the length of the rotary conveying pipe (7) is one third of the length of the tail pipe pipeline (1),
the hollow spiral plate (4) is sleeved on the rotary conveying pipe (7) and is communicated with the rotary conveying pipe (7), one end of the hollow spiral plate (4) is close to one end of the rotary conveying pipe (7), the other end of the hollow spiral plate extends to the other end of the rotary conveying pipe (7) in a spiral mode, the edge of the hollow spiral plate (4) is provided with a sealing strip (6), the sealing strip (6) is contacted with the inner wall of the tail discharge pipe (1), the hollow spiral plate (4) is provided with a guide hole (5), weak magnet sheets (14) are arranged in the hollow spiral plate (4) corresponding to the guide hole (5),
preferably, the guide hole (5) has a large inlet and a small outlet,
the powder collecting component consists of a second collecting pipe (10), a collecting box (11), a first collecting pipe (12), a collecting electromagnet (13), a guiding electromagnet (17) and a partition plate (18),
the material collecting box (11) is arranged at the position of the outer wall of the tail pipe discharging pipeline (1) corresponding to the separating pipe (9),
preferably, the material collecting box (11) is made of transparent materials, a material discharging pipe is arranged on the material collecting box (11), one end of the material discharging pipe is communicated with the material collecting box (11), the other end of the material discharging pipe is provided with a sealing plug,
one end of a first collecting pipe (12) is communicated with a separating pipe (9), the other end of the first collecting pipe is communicated with a collecting box (11), the first collecting pipe (12) is close to one end of the separating pipe (9), one end of a second collecting pipe (10) is communicated with the separating pipe (9), the other end of the second collecting pipe is communicated with the collecting box (11), the second collecting pipe (10) is close to the other end of the separating pipe (9), the other end of the second collecting pipe (10) is sleeved with a guide electromagnet (17), a partition plate (18) is arranged in the collecting box (11) to divide the collecting box (11) into an adsorption cavity and a collecting cavity, the collecting electromagnet (13) is arranged in the adsorption cavity, and the collecting cavity is respectively communicated with the first collecting pipe (12) and the second collecting pipe (10);
preferably, the sealing strip (6) is made of Rubber material, rubber (Rubber) is high-elasticity polymer material with reversible deformation, the Rubber is elastic at room temperature, the Rubber can generate larger deformation under the action of small external force, the Rubber can recover after the external force is removed, the Rubber belongs to completely amorphous polymer, the glass transition temperature is low, the molecular weight is often large, and the Rubber is more than hundreds of thousands;
preferably, the supporting sleeve (3) is made of ceramic materials, wherein the ceramic materials are inorganic nonmetallic materials which are made of natural or synthetic compounds through forming and high-temperature sintering, have the advantages of high melting point, high hardness, high wear resistance, oxidation resistance and the like, can be used as structural materials and cutter materials, and can be used as functional materials due to certain special performances of the ceramic;
preferably, the fixing sleeve (8) is made of ceramic material;
the invention also relates to a use method of the dust exhauster for the aerosolized powder making equipment, which is characterized by comprising the following steps:
1) Electrifying a dust exhauster, leading an electromagnet (17) and a collecting electromagnet (13) to be electrified with magnetism, connecting one end of a tail pipe pipeline (1) with ventilation and atomization powder making equipment, connecting the other end of the tail pipe pipeline with a fan, starting the fan to suck tail gas in the ventilation and atomization powder making equipment, and leading the tail gas to enter the tail pipe pipeline (1);
2) Starting a rotating motor (2), wherein the rotating direction of the rotating motor (2) shaft is opposite to the spiral direction of the hollow spiral plate (4), the rotating motor (2) shaft drives a rotating conveying pipe (7) to rotate, the rotating conveying pipe (7) drives the hollow spiral plate (4) to rotate, and tail gas can flow against the hollow spiral plate (4) due to the fact that the rotating direction of the hollow spiral plate (4) is opposite to the spiral direction of the tail gas;
3) Under the action of the weak magnet sheet (14), metal powder and a small amount of air flow in the tail gas enter the hollow spiral plate (4) through the guide hole (5), the metal powder gets rid of the attractive force of the weak magnet sheet (14) under the rotation action, and the metal powder spirally enters the rotary conveying pipe (7) along the hollow spiral plate (4), flows to the other end of the rotary conveying pipe (7) under the action of the air flow, and then enters the separating pipe (9);
4) Under the action of the adsorption force of the collecting electromagnet (13), metal powder enters a collecting cavity in the collecting box (11) through the first collecting pipe (12), metal powder which does not enter the first collecting pipe (12) enters the second collecting pipe (10) through the further attraction of the guiding electromagnet (17), and the magnetism of the collecting electromagnet (13) is larger than that of the guiding electromagnet (17), so that the metal powder in the second collecting pipe (10) also enters the collecting cavity in the collecting box (11) to be collected;
5) The rest airflow is re-discharged into the tail drain pipeline (1) through the filter screen (16), and meanwhile, the guide electromagnet (17) and the collecting electromagnet (13) can adsorb a small amount of metal powder on the filter screen (16) to prevent the filter screen (16) from being blocked;
6) The staff can observe the collection condition of the metal powder in the material collecting box (11), and when the metal powder in the material collecting box (11) is accumulated to a certain degree, the plugging plug is opened, the discharging pipe is communicated with the powder collecting barrel, and the metal powder is recovered;
the center line of the supporting sleeve (3) and the center line of the tail drain pipeline (1) are on the same straight line, and the design that the center line of the fixed sleeve (8) and the center line of the tail drain pipeline (1) are on the same straight line can prevent the rotary conveying pipe (7) from twisting to influence the normal use of the dust collector when the rotary conveying pipe (7) is driven by the shaft of the rotary motor (2) to rotate so as to convey metal powder in tail gas into the separating pipe (9) for collection;
the design that the inner diameter of the separation pipe (9) is slightly larger than that of the rotary conveying pipe (7) can facilitate the metal powder in the rotary conveying pipe (7) to enter the separation pipe (9), so that the metal powder enters the material collecting box (11) under the action of magnetic force;
the design of the included angle between the central lines of the filter screen (16) and the separating tube (9) is between 30 degrees and 60 degrees, so that a small amount of metal powder on the filter screen (16) can conveniently enter the collecting box (11) through the first collecting tube (12) and the second collecting tube (10) under the action of magnetic attraction force of the collecting electromagnet (13) and the guiding electromagnet (17) for collection;
the length of the rotary conveying pipe (7) is one third of the length of the tail pipe pipeline (1), so that the metal powder in the tail gas can enter the hollow spiral plate (4) and is conveyed into the separating pipe (9) through the rotary conveying pipe (7), and the influence on the adsorption and filtration effects on the metal powder caused by the fact that the metal powder at the end cannot be conveyed into the separating pipe (9) due to the overlong length of the rotary conveying pipe (7) is avoided;
the design that the inlet of the guide hole (5) is large and the outlet is small can facilitate the metal powder to enter the hollow spiral plate (4) through the guide hole (5) when the tail gas can flow against the hollow spiral plate (4), and then the metal powder is conveyed into the separating pipe (9) through the rotary conveying pipe (7) and enters the material collecting box (11) under the action of magnetic force;
the rotary motor (2) is matched with the rotary conveying pipe (7) to drive the hollow spiral plate (4) to rotate along the direction opposite to the self spiral direction, so that tail gas in the tail gas pipeline (1) can flow in a manner of being attached to the hollow spiral plate (4), and metal powder and a small amount of air flow in the tail gas can conveniently enter the hollow spiral plate (4);
the hollow spiral plate (4) is matched with the rotary conveying pipe (7) and can convey metal powder separated from the magnetic adsorption force of the weak magnet sheet (14) into the separating pipe (9);
the collecting electromagnet (13) is matched with the guiding electromagnet (17), so that metal powder in the separating pipe (9) can enter the collecting box (11) through the first collecting pipe (12) and the second collecting pipe (10) to be collected, and the metal powder is prevented from blocking the fan and meanwhile the flow of tail gas is not influenced;
the purpose that tail gas containing metal powder is conveyed to a material collecting box (11) through the hollow spiral plate (4) matched with a rotary conveying pipe (7), the metal powder is collected through magnetic adsorption of a material collecting electromagnet (13), and the flow of the tail gas is not influenced while the fan is prevented from being blocked is achieved.
The foregoing embodiments are preferred embodiments of the present invention, and applicant does not add other embodiments for the sake of economy, but is not intended to limit the scope of the present invention. It is intended that all modifications within the scope of the invention, i.e., all equivalents thereof, be embraced by the invention as they come within their scope without departing from the invention.
It should be further noted that, when the foregoing specific embodiments are described, only the differences from other embodiments are described for simplicity and clarity, but those skilled in the art will appreciate that the foregoing specific embodiments are also independent solutions.
Claims (7)
1. The dust exhauster for aerosolizing powder making equipment includes tail pipe, rotary conveying assembly inside the tail pipe and powder collecting assembly communicated with the rotary conveying assembly, and features that the rotary conveying assembly conveys the tail gas containing metal powder to the powder collecting assembly for magnetic adsorption to separate the metal powder from the tail gas, the rotary supporting assembly consists of rotary motor, support sleeve, hollow spiral plate, guide hole, sealing strip, rotary conveying pipe, fixing sleeve, separating pipe, weak magnet sheet, sealing bearing and filtering net, the rotary motor is set inside the tail pipe via connecting rod and near one end of the tail pipe, the rotary motor is one sealing motor with the central lines of the rotary motor shaft and the tail pipe being in the same line, the support sleeve is arranged in the tail pipe pipeline through the support rod, the fixed sleeve is arranged in the tail pipe pipeline through the fixed rod, the rotary conveying pipe is arranged between the support sleeve and the fixed sleeve, one end of the rotary conveying pipe passes through a sealing bearing in the support sleeve and is connected with a rotary motor shaft, the other end of the rotary conveying pipe is arranged in a sealing bearing in the fixed sleeve, one end of the separating pipe is arranged in the sealing bearing in the fixed sleeve, the other end of the separating pipe passes through the fixed sleeve, the hollow spiral plate is sleeved on the rotary conveying pipe and is communicated with the rotary conveying pipe, one end of the hollow spiral plate is close to one end of the rotary conveying pipe, the other end of the hollow spiral plate extends to the other end of the rotary conveying pipe in a spiral manner, a sealing strip is arranged at the edge of the hollow spiral plate, the sealing strip is contacted with the inner wall of the tail pipe pipeline, a guide hole is formed in the hollow spiral plate, a weak magnetic sheet is arranged in the hollow spiral plate corresponding to the guide hole, the filter screen is arranged at the other end of the separating pipe, the powder collection assembly comprises a second collecting pipe, a collecting box, a first collecting pipe, an electromagnet for collecting materials, a guide electromagnet and a partition plate, wherein the collecting box is arranged at the position, corresponding to the separating pipe, of the outer wall of the tail discharge pipe, a discharging pipe is arranged on the collecting box, one end of the discharging pipe is communicated with the collecting box, a sealing plug is arranged at the other end of the discharging pipe, one end of the first collecting pipe is communicated with the separating pipe, the other end of the first collecting pipe is communicated with the collecting box, the first collecting pipe is close to one end of the separating pipe, one end of the second collecting pipe is communicated with the separating pipe, the other end of the second collecting pipe is communicated with the collecting box, the guide electromagnet is sleeved at the other end of the second collecting pipe, the partition plate is arranged in the collecting box, the collecting box is divided into an adsorption cavity and a collecting cavity, the electromagnet for collecting materials are arranged in the adsorption cavity, the collecting cavity is respectively communicated with the first collecting pipe and the second collecting pipe, and the included angle between the central line of the filter screen and the separating pipe is 30-60 degrees.
2. A dust remover for an aerosolized powder process apparatus as defined in claim 1, wherein the centerline of the support sleeve and the centerline of the tail discharge pipe are collinear, and the centerline of the stationary sleeve and the centerline of the tail discharge pipe are collinear.
3. A dust remover for an aerosolized powder process apparatus as defined in claim 1, wherein the separating tube has an inner diameter slightly larger than an inner diameter of the rotary conveying tube.
4. The dust remover for the aerosolized powder making equipment according to claim 1, wherein the length of the rotary conveying pipe is one third of the length of the tail pipe, so that the metal powder in the tail gas can enter the hollow spiral plate and is conveyed into the separating pipe through the rotary conveying pipe, and the influence on the adsorption and filtration effects of the metal powder caused by the fact that the metal powder at the end part cannot be conveyed into the separating pipe due to the overlong length of the rotary conveying pipe is avoided.
5. A dust exhauster for an aerosolized powder process plant as claimed in claim 1, wherein the guide bore has a large inlet and a small outlet.
6. The dust remover for the aerosolization and pulverization device is characterized in that the rotary motor is matched with the rotary conveying pipe to drive the hollow spiral plate to rotate along the direction opposite to the self-spiral direction, so that the tail gas in the tail gas exhaust pipeline can flow in a manner of being attached to the hollow spiral plate, and the metal powder and a small amount of air flow in the tail gas can conveniently enter the hollow spiral plate.
7. A method of using a dust remover for an aerosolized powder process apparatus according to claim 1, characterized by the steps of:
1) Electrifying a dust exhauster, leading an electromagnet and an aggregate electromagnet to be electrified with magnetism, connecting one end of a tail pipe pipeline with an air atomization powder making device, connecting the other end of the tail pipe pipeline with a fan, starting the fan, sucking tail gas in the air atomization powder making device, and enabling the tail gas to enter the tail pipe pipeline;
2) Starting a rotating motor, wherein the rotating direction of the rotating motor shaft is opposite to the spiral direction of the hollow spiral plate, the rotating motor shaft drives a rotating conveying pipe to rotate, and the rotating conveying pipe drives the hollow spiral plate to rotate;
3) Under the action of the weak magnetic iron sheet, metal powder and a small amount of air flow in the tail gas enter the hollow spiral plate through the guide hole, the metal powder gets rid of the attractive force of the weak magnetic iron sheet under the rotation action, and the metal powder spirally enters the rotary conveying pipe along the hollow spiral plate, flows to the other end of the rotary conveying pipe under the action of the air flow, and then enters the separating pipe;
4) Under the action of the adsorption force of the collecting electromagnet, the metal powder enters a collecting cavity in the collecting box through the first collecting pipe, the metal powder which does not enter the first collecting pipe is further attracted into the second collecting pipe through the guiding electromagnet, and the magnetism of the collecting electromagnet is larger than that of the guiding electromagnet, so that the metal powder in the second collecting pipe also enters the collecting cavity in the collecting box to be collected;
5) The rest airflow is re-discharged into the tail exhaust pipeline through the filter screen, and meanwhile, the guide electromagnet and the collecting electromagnet can adsorb a small amount of metal powder on the filter screen to prevent the filter screen from being blocked;
6) The staff can observe the collection condition of the metal powder in the collection box, and after the metal powder in the collection box is accumulated to a certain extent, the plugging plug is opened, and the discharging pipe is communicated with the powder collecting barrel to recover the metal powder.
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| CN202210060624.7A CN114472906B (en) | 2022-01-19 | 2022-01-19 | Dust exhauster for aerosolization powder making equipment and using method thereof |
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| CN202210060624.7A CN114472906B (en) | 2022-01-19 | 2022-01-19 | Dust exhauster for aerosolization powder making equipment and using method thereof |
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| CN114472906B true CN114472906B (en) | 2023-12-01 |
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| CN114916451B (en) * | 2022-05-30 | 2023-07-18 | 安徽利元宠物用品有限公司 | Post-treatment device for producing environment-friendly sterile cat litter |
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