CN114850154A - Atomizing chamber inner wall dust collector for metal powder preparation - Google Patents
Atomizing chamber inner wall dust collector for metal powder preparation Download PDFInfo
- Publication number
- CN114850154A CN114850154A CN202210438362.3A CN202210438362A CN114850154A CN 114850154 A CN114850154 A CN 114850154A CN 202210438362 A CN202210438362 A CN 202210438362A CN 114850154 A CN114850154 A CN 114850154A
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- Prior art keywords
- annular steel
- air
- steel plate
- fixed
- outer ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
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- 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
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- 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
- B22F2009/0824—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 with a specific atomising fluid
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- 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
- B22F2009/0888—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 casting construction of the melt process, apparatus, intermediate reservoir, e.g. tundish, devices for temperature control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
A dust removal device for the inner wall of an atomizing chamber for preparing metal powder aims to replace manual cleaning and improve the powder collection rate and the operation safety; the device comprises an annular brush, an air shovel nozzle, collecting cloth, a guide upright post, a guide nut, a universal lifting pedestal, an air compressor, a bamboo joint pipe nozzle, a fixed seat and a fixed frame; the fixing frame is of a three-layer annular steel plate structure; the annular steel plate comprises an inner ring, an outer ring and ribs; collecting cloth is arranged on the upper annular steel plate; the air shovel nozzles are in a flat horn mouth shape and are uniformly distributed along the lower side edge of the outer ring of the upper-layer annular steel plate and the middle-layer annular steel plate; an annular brush is fixed on the outer ring of the lower annular steel plate; inner rings of the middle and lower layers of annular steel plates are welded with the guide nut; the general lifting platform is provided with a telescopic upright post capable of lifting; the edge of the collecting cloth is fixed on the outer ring of the annular steel plate; the guide upright post is of a screw rod structure with a through long thread; the bottom of the guide upright post is welded with the fixed seat; there is the bamboo joint pipe nozzle of being connected with the air compressor machine above the annular steel sheet of upper strata, has the magnetic base below the bamboo joint pipe nozzle.
Description
Technical Field
The invention relates to a dust removal device for cleaning the inner wall of an atomization chamber for preparing metal powder.
Background
High-pressure gas atomization equipment (gas atomization equipment for short) is frequently used in research and production of metal powder, and the equipment mainly comprises medium-frequency smelting, high-frequency heat preservation, an automatic lifting temperature measurement system, a high-pressure gas conveying system, solution high-pressure atomization, a hydraulic control system, a pneumatic valve control system, a vacuum control system, a powder collection and dust removal system, a PLC (programmable logic controller) automatic control system, a touch screen parameter setting and control system, a water cooling system and the like. The metal atomizing powder process equipment is superfine powder manufacturing equipment, and the equipment air supply is nitrogen gas, and raw and other materials are diversified, and alloy, multiple materials such as stainless steel, silicon steel, when different materials preparation, the powder residue at positions such as clean up atomizing chamber must be cleared up. At present, different kinds of powder are very easy to be left due to the fact that manual cleaning is mainly relied on, high-altitude operation and oxygen-free atmosphere are involved in cleaning of the atomizing chamber, operation must be conducted by two persons during operation, after the powder is prepared through nitrogen, the atomizing chamber is the oxygen-free atmosphere, and when cleaning of the inside of the atomizing chamber is conducted, injury accidents caused by suffocation of operators can occur without leaving the spirit.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the inner wall dust removal device of the atomization chamber for preparing the metal powder, which can replace a manual cleaning mode and improve the powder collection rate and the operation safety of equipment.
The device comprises an annular brush, an air shovel nozzle, collecting cloth, a guide upright post, a guide nut, a universal lifting pedestal, an air compressor, a camera, a bamboo joint pipe nozzle, a fixed seat and a fixed frame; the fixing frame comprises three annular steel plates and a fastening piece; the annular steel plate comprises two circular rings of an inner ring and an outer ring and a rib arranged between the two circular rings, and a plurality of circular holes are uniformly distributed on the rib and the outer ring; three annular steel plates are connected into a three-layer structure through fasteners and nuts penetrating through the rib holes; collecting cloth is fixed on the upper annular steel plate, and a camera is arranged in the center of the steel plate; the air shovel mouth is in a flat horn mouth shape, the rear end of the air shovel mouth is an air inlet, the front end of the air shovel mouth is provided with a plurality of small air outlets, and a threaded hole which is convenient for angle adjustment and installation and fixation is arranged on the air shovel mouth shell; the front ends of a plurality of gas shovel nozzles are uniformly distributed along the lower side edge of the outer ring of the upper-layer annular steel plate and the middle-layer annular steel plate outwards; an annular hairbrush is fixed on the outer ring of the lower annular steel plate; the inner sides of the inner rings of the middle and lower layers of annular steel plates are welded and fixed with the guide nut, and the fixed seat is welded and fixed with the top of the universal lifting platform; the general lifting platform is provided with a telescopic upright post capable of lifting; the collection cloth be the circular rubber cloth of fire-retardant material, the edge is with the bolt fastening on annular steel sheet outer lane for the dust utilizes the dead weight of metal dust, on the collection cloth of free fall from the inner wall clearance back. A circle of round holes are uniformly distributed near the edge, and the bolts penetrate through the holes to realize that the collecting cloth is fixed with the outer ring of the annular steel plate. The guide upright post is of a screw rod structure with a through long thread and is matched and connected with a guide nut on the inner side of the fixed frame; the bottom of the guide upright post is welded and fixed with the fixed seat; be equipped with the bamboo joint pipe nozzle of being connected with the air compressor machine above upper annular steel sheet, have magnetic base below the bamboo joint pipe nozzle, adsorb on upper annular steel sheet through magnetic base, distribute according to the difficult clearance position of reality. And a magnetic base mode is adopted, so that the convenient and quick fixation and movement can be realized. .
The air shovel nozzle and the annular steel plate form an angle of 8-12 degrees, and when the equipment runs, air flow is blown upwards; the rear end air inlet is communicated with the air compressor through an air pipe, the air compressor supplies high-pressure air after running, and 360-degree air injection to the periphery is realized under the combined action of the plurality of air shovel nozzles. The camera adopts the explosion-proof 360 cameras of cloud platform control. The lifting telescopic upright columns on the general lifting platform provide power through a motor, a steel wire rope is pulled, and the steel wire rope pulls the nested telescopic upright columns to ascend/descend; the general lifting platform comprises a power device, the fixing seat can be operated to drive the fixing frame to lift up and down, and the stroke is generally 1-6 m.
The air inlet at the rear end of the air shovel nozzle is 20mm in caliber, and the small air outlet at the front end of the air shovel nozzle is a 1mm pore. The bamboo joint pipe nozzles are divided into two paths, the two paths are connected with the air compressor through air pipes, high-pressure air provides power, one path is used for treating internal dust and cleaning powder on the camera, and the other path utilizes the full-angle adjusting characteristic of the bamboo joint pipe nozzles to remove dust on the parts which are not easy to treat.
The device mainly used clearance atomizer inner wall remains the metal dust, during the use, fixed collection cloth, air shovel mouth, annular brush, bamboo joint pipe nozzle back on the mount, are connected with the guide post through guide nut. The air compressor machine provides high-pressure gas, open the air compressor machine, high-pressure gas leads to each gas shovel mouth through the trachea, high-pressure gas blows to the atomizer chamber inner wall from inside to outside, the fixed gas shovel mouth in upper strata is outwards blown, the realization is to the dust removal of inner wall, the fixed gas shovel mouth in middle level is outwards blown, form the air protection layer, prevent that the dust from leaking into the below, ensure no environmental pollution, blow away the inner wall with remaining metal powder on the atomizer chamber inner wall, metal powder is blown away the back, subside on the collection cloth of top layer because of the reason of dead weight. The universal lifting platform is started, the fixing frame ascends and descends from bottom to top along with the bottom fixing block on the guide upright post, the annular brush on the periphery of the lower-layer annular steel plate of the fixing frame can perform secondary cleaning on a small amount of residual metal powder on the inner wall, and the recovery rate of the device is improved.
The device controls the fixed frame to ascend/descend in the atomizing chamber through the lifting platform, starts the air compressor, and the gas of the air compressor is transmitted to the gas shovel nozzle and the bamboo joint pipe nozzle through the gas pipe, and the gas of the gas shovel nozzle and the bamboo joint pipe nozzle is controlled through the switch of the control console. The gas in the bamboo joint pipe nozzle of one way is mainly used for covering powder on the clearance camera after spouting to make things convenient for the observation atomizer inner wall powder clearance condition, only opens when necessary, and the full angle regulation characteristics of bamboo joint pipe nozzle are utilized to another way, to the position that is difficult to handle, realize the fixed point and remove dust. The air shovel mouth is from inside to outside 360 fan-shaped injection high-pressure gas, blows off the powder on the inner wall, and gas drives the powder to the centre after being returned by the inner wall, then reduces along with the successive layer of inside air current, and the powder falls into under the effect of dead weight and collects on the cloth. When the highest point is reached, the upper-layer fixed gas shovel nozzle is closed, the middle-layer fixed gas shovel nozzle continuously blows outwards to form an air protective layer, a period of time is kept, dust is prevented from leaking into the lower portion, mechanized cleaning of powder on the inner wall of the atomization chamber is achieved, dust cleaning efficiency and metal powder collecting efficiency are improved, and potential safety hazards of personnel operation in a limited space, especially a low-oxygen space, are avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a fixing frame and a fixing base;
FIG. 3 is a schematic structural view of an annular steel plate;
FIG. 4 is a bottom structure diagram of the middle layer and the upper layer of the fixing frame;
FIG. 5 is a schematic view of the lower layer structure of the fixing frame;
FIG. 6 is a schematic view of the structure and direction of airflow of the air scoop.
In the figure: 1. a fixed frame, 101 annular steel plates, 10101 inner rings, 10102 outer rings and 10103 ribs; 2. annular brush, 3, air scoop mouth, 301, air inlet, 302, air outlet, 303, bolt hole; 4. the device comprises collecting cloth, 5 parts of guide upright columns, 6 parts of guide nuts, 7 parts of fixing seats, 8 parts of a general lifting platform, 9 parts of a plurality of air pipes, 10 parts of an air compressor, 11 parts of a camera, 12 parts of a bamboo joint pipe nozzle and 13 parts of fasteners.
Detailed Description
The fixing frame 1 comprises three annular steel plates 101 and fasteners 13; the annular steel plate 101 comprises two rings of an inner ring 10101 and an outer ring 10102, a rib 10103 is arranged between the two rings, and a plurality of small holes are uniformly distributed on the rib 10103 and the outer ring 10102. Fastener 13 connects three annular steel sheet 101 fixedly through the last aperture of rib 10103, forms three layer construction, collects cloth 4 and air shovel mouth 3 with the bolt fastening on the annular steel sheet of upper strata, and air shovel mouth 3 is fixed with the bolt fastening to the outer lane 10102 of middle level annular steel sheet, and lower floor's annular steel sheet is fixed with annular brush 2. The inner sides of the inner rings of the middle-layer annular steel plate 101 and the lower-layer annular steel plate 101 are welded and fixed with the guide nut 6, the fixed seat 7 is connected with the top of the universal lifting platform 8, and the lifting of the fixed frame 1 can be realized under the action of the universal lifting platform 8. The universal lifting platform 8 internally comprises a power device with a stroke of 1-6 m and is connected with a fixed seat 7 at the bottom of the fixed frame 1, and the fixed seat 7 can drive the fixed frame 1 to lift up and down.
When the device is used, the collecting cloth 4, the air shovel nozzle 3, the annular brush 2 and the bamboo joint pipe nozzle 12 are fixed on the fixing frame 1 and then connected with the guide upright post 5 through the guide nut 6. Open air compressor machine 10, air compressor machine 10 provides high-pressure gas, and high-pressure gas leads to each air shovel mouth 3 through trachea 9, and high-pressure gas blows to the atomizer chamber inner wall from inside to outside, forms the air current circle respectively and is equivalent to the air protection layer, blows off remaining metal powder on the atomizer chamber inner wall from the inner wall, and metal powder is blown off the back, because the reason of dead weight subsides on the collection cloth 4 of top layer. The universal lifting platform 8 is started, the fixing frame 1 is lifted from bottom to top on the guide upright post 5 along with the bottom fixing seat 7, and the annular hairbrush on the periphery of the lower-layer annular steel plate of the fixing frame 1 can perform secondary cleaning on a small amount of residual metal powder on the inner wall.
The fixing frame 1 is controlled to ascend/descend in the atomizing chamber through the universal lifting platform 8, gas of the air compressor 10 is transmitted to the air shovel nozzle 3 and the bamboo joint pipe nozzle 12 through the air pipe 9, and the gas of the air shovel nozzle 3 and the gas of the bamboo joint pipe nozzle 12 are respectively controlled through the switch. Wherein the gas blowout back in the bamboo joint pipe nozzle 12 of one way is mainly used for clearing up and covers the powder on the camera 11 to the convenient inside wall powder clearance condition of observation atomizer, and another way bamboo joint pipe nozzle 12 utilizes its full angle modulation characteristics of self, removes dust to the position that the atomizer inside wall was difficult to handle.
The air shovel mouth 3 sprays high-pressure gas 360 from inside to outside, blows off the powder on the inner wall, and gas drives the powder to the centre after being returned by the inner wall, then reduces along with the successive layer of inside air current, and the powder falls into under the effect of dead weight and collects on the cloth, has accomplished the collection that the metal powder was remained to the atomizer chamber inner wall from this. When the fixing frame 1 reaches the highest position, the air shovel nozzle 3 at the bottom of the upper-layer annular steel plate 101 is closed, and at the moment, the air shovel nozzle 3 at the bottom of the middle-layer annular steel plate 101 continuously blows air outwards to form an air protection layer so as to prevent dust from leaking into the lower part.
Claims (8)
1. A dust removal device for the inner wall of an atomization chamber for metal powder preparation is characterized by comprising an annular brush, an air shovel nozzle, collecting cloth, a guide upright post, a guide nut, a universal lifting pedestal, an air compressor, a bamboo joint pipe nozzle, a fixed seat and a fixed frame; the fixing frame is of a three-layer annular steel plate structure; the annular steel plate comprises an inner ring, an outer ring and ribs, the ribs are arranged between the two circular rings of the inner ring and the outer ring, and a plurality of circular holes are uniformly distributed on the ribs and the circular rings of the outer ring; the three layers of annular steel plates are fixedly connected through a fastener and a nut which penetrate through the rib hole; the air shovel mouth is in a flat horn mouth shape, the rear end of the air shovel mouth is an air inlet, and the front end of the air shovel mouth is provided with a plurality of small air outlets; the air scoop nozzle shell is provided with a threaded hole which is convenient to install; the front ends of the plurality of air shovel nozzles are outwards and uniformly distributed on the lower side edge of the outer ring of the upper-layer annular steel plate and the middle-layer annular steel plate; an annular hairbrush is fixed on the outer ring of the lower annular steel plate; the inner sides of the inner rings of the middle and lower layers of annular steel plates are welded and fixed with the guide nut, and the fixed seat is welded and fixed with the top of the universal lifting platform; the general lifting platform is provided with a telescopic upright post capable of lifting; collecting cloth is arranged on the upper layer of annular steel plate, and the edge of the collecting cloth is fixed on the outer ring of the annular steel plate; the guide upright post is of a screw rod structure with a through long thread and is matched and connected with a guide nut on the inner side of the fixed frame; the bottom of the guide upright post is welded and fixed with the fixed seat; be equipped with the bamboo joint pipe nozzle of being connected with the air compressor machine above upper annular steel sheet, have magnetic base below the bamboo joint pipe nozzle, adsorb on upper annular steel sheet through magnetic base.
2. The dust removing apparatus for the inner wall of the atomizing chamber for preparing metal powder as set forth in claim 1, wherein the angle between the air scooping nozzle and the annular steel plate is 8 to 12 °, and the air inlet at the rear end of the air scooping nozzle is connected to the air compressor through an air pipe.
3. The dust removing device for the inner wall of the atomizing chamber for preparing metal powder as claimed in claim 1 or 2, characterized by further comprising a camera, wherein the camera adopts an explosion-proof 360-degree camera controlled by a pan-tilt and is arranged at the center of the upper steel plate.
4. The inner wall dust removing device for the atomizing chamber for preparing metal powder as claimed in claim 1 or 2, wherein the liftable telescopic column on the general elevating platform is lifted by being pulled by a wire rope in a nested manner.
5. The inner wall dust removing device for the atomizing chamber for preparing metal powder as claimed in claim 1 or 2, wherein the plurality of bamboo joint pipe nozzles are arranged in two ways.
6. The inner wall dust removing apparatus for an atomizing chamber for preparing metal powder as set forth in claim 1 or 2, wherein said air scoop nozzle has a rear end air inlet with a diameter of 20mm and a front end small air outlet with a diameter of 1 mm.
7. The inner wall dust removing apparatus of an atomizing chamber for preparing metal powder as set forth in claim 1 or 2, wherein a circle of circular holes are uniformly formed at the edge of the collecting cloth, and the collecting cloth is fixed to the outer ring of the annular steel plate by the circular holes and bolts.
8. The dust removing apparatus for the inner wall of the atomizing chamber for preparing metal powder according to claim 1 or 2, wherein the collecting cloth is a circular rubber cloth made of a flame retardant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210438362.3A CN114850154A (en) | 2022-04-25 | 2022-04-25 | Atomizing chamber inner wall dust collector for metal powder preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210438362.3A CN114850154A (en) | 2022-04-25 | 2022-04-25 | Atomizing chamber inner wall dust collector for metal powder preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114850154A true CN114850154A (en) | 2022-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210438362.3A Pending CN114850154A (en) | 2022-04-25 | 2022-04-25 | Atomizing chamber inner wall dust collector for metal powder preparation |
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| CN (1) | CN114850154A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116441249A (en) * | 2023-06-09 | 2023-07-18 | 山西一建集团有限公司 | Laying device for heating and ventilation pipeline in civil engineering member |
-
2022
- 2022-04-25 CN CN202210438362.3A patent/CN114850154A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116441249A (en) * | 2023-06-09 | 2023-07-18 | 山西一建集团有限公司 | Laying device for heating and ventilation pipeline in civil engineering member |
| CN116441249B (en) * | 2023-06-09 | 2023-09-12 | 山西一建集团有限公司 | Laying device for heating and ventilation pipeline in civil engineering member |
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