CN111576299A - Permanent magnetism magnet recovery unit and dirty-suction vehicle - Google Patents
Permanent magnetism magnet recovery unit and dirty-suction vehicle Download PDFInfo
- Publication number
- CN111576299A CN111576299A CN201910118760.5A CN201910118760A CN111576299A CN 111576299 A CN111576299 A CN 111576299A CN 201910118760 A CN201910118760 A CN 201910118760A CN 111576299 A CN111576299 A CN 111576299A
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- Prior art keywords
- permanent magnet
- iron
- plate
- magnetic
- chassis
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/14—Removing by magnetic effect
Abstract
The invention discloses a permanent magnet iron absorption recovery device and a dust collection vehicle, wherein the permanent magnet iron absorption recovery device is arranged below a chassis of the dust collection vehicle, is arranged in front of a suction nozzle of the dust collection vehicle or is integrated with the suction nozzle into a whole, and comprises a guide support mechanism and a permanent magnet iron absorption device; the permanent magnet iron attracting device comprises a bracket and a permanent magnet, wherein the bracket is provided with a follow-up roller group and the permanent magnet; the permanent magnet iron attracting device is connected with the chassis through the guide supporting mechanism. The permanent magnet iron attracting device also comprises a magnetic shielding plate, a magnetic conduction plate and an action part for controlling the magnetic shielding plate to horizontally move, and when the sweeping machine works, a magnetic field emitted by the permanent magnet can penetrate through the magnetic conduction plate to attract iron chips, iron slag and the like to the magnetic conduction plate. The magnetic shielding plate can also be horizontally moved to be close to the permanent magnet until the magnetic shielding plate is completely inserted between the permanent magnet and the magnetic conducting plate, the magnetic force is weakened or disappears, and the iron chips, the iron slag and the like can be fixed and collected due to the natural falling of gravity.
Description
Technical Field
The invention relates to the technical field of environmental sanitation cleaning equipment, in particular to a permanent magnet iron absorption recovery device and a dust collection vehicle.
Background
With the higher and higher requirements of modern people on environmental sanitation, industrial parks and factories begin to use road-sweeping trucks, dust-collecting trucks and the like for mechanical cleaning like municipal departments. Many iron fillings in factory road surface, iron slag, waste iron material such as bolt and nut can all suck the dustbin in the road surface rubbish in garden including waste iron material through dirty suction vehicle fan suction negative pressure during mechanical operation, and then can lose because suction is not enough and fall subaerial to some bolts, iron pimple etc.. Therefore, the road surface cannot be cleaned completely, and simultaneously, the recyclable waste iron materials are treated as garbage, so that certain economic loss is brought. If the garbage in the factory can be classified and recycled in the road sweeping process, the garbage can be changed into valuable, and certain economic benefit is created.
In view of the above-mentioned drawbacks, the inventors of the present invention have finally obtained the present invention through a long period of research and practice.
Disclosure of Invention
In order to solve the technical defects, the invention provides a permanent magnet iron absorption recovery device and a dust collection vehicle, which can classify garbage and automatically recover waste iron materials and are particularly suitable for industrial parks.
The technical scheme adopted by the invention is as follows:
a permanent magnet iron absorption recovery device is arranged below a chassis of a dust collection vehicle, is arranged in front of a suction nozzle of the dust collection vehicle or is integrated with the suction nozzle, and comprises a guide supporting mechanism and a permanent magnet iron absorption device;
the permanent magnet iron attracting device comprises a bracket and a permanent magnet, wherein the bracket is provided with a follow-up roller group and the permanent magnet;
the permanent magnet iron attracting device is connected with the chassis through the guide supporting mechanism.
Further, the guide supporting mechanism comprises a connecting rod assembly, the connecting rod assembly comprises a fixed rod and a swing rod, one end of the fixed rod is fixedly connected with the chassis, the other end of the fixed rod is hinged to one end of the swing rod, and the other end of the swing rod is connected with the permanent magnet iron-attracting device.
Further, the guide supporting mechanism further comprises a floating type adjusting mechanism, the floating type adjusting mechanism comprises a spring and a chain, two ends of the spring are respectively connected with the chassis and the chain, and the chain is connected with the permanent magnet iron attracting device.
Further, the lifting mechanism comprises an actuator, the rod end of the actuator is connected with the permanent magnet iron attracting device, and the rod-free end of the actuator is connected with the chassis.
Furthermore, the lifting mechanism further comprises an adjusting chain, and the rodless end of the actuator is connected with the chassis through the adjusting chain.
Further, the actuator is driven by hydraulic pressure or pneumatic pressure or electric power.
Further, the permanent magnet device further comprises a magnetic shielding plate, a magnetic conducting plate and an action part for controlling the magnetic shielding plate to move horizontally, wherein the magnetic conducting plate is arranged right below the permanent magnet, a movable magnetic shielding plate is arranged between the permanent magnet and the magnetic conducting plate, the magnetic shielding plate is connected with the action part, and the action part can control the magnetic shielding plate to move out and move in between the magnetic conducting plate and the permanent magnet.
Further, the permanent magnet attracting device further comprises a magnetic resistance plate and a flat iron plate, wherein the flat iron plate is arranged above the permanent magnet, and the magnetic resistance plate is arranged above the flat iron plate.
Further, still include iron fillings recovery unit, iron fillings recovery unit includes iron fillings recovery cabin and the power mobile unit who is connected with it, the power mobile unit with the chassis is connected for control the iron fillings recovery cabin removes between iron fillings recovery position and initial position.
A dust absorption vehicle comprises the permanent magnet iron absorption recovery device.
Compared with the prior art, the invention has the beneficial effects that:
a set of permanent magnet iron absorption recovery device is designed on a dust collection vehicle provided with a suction nozzle, a fan and a dustbin, and the permanent magnet iron absorption recovery device can be used for automatically classifying and recovering the garbage on the road surfaces of industrial parks and factories. After the cleaning work is finished, the magnetic field of the permanent magnet can be cut off through the working device, so that the adsorbed waste iron materials naturally fall off and are collected.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of a dust-absorbing state of the dust-collecting vehicle provided by the invention;
FIG. 2 is a schematic structural view of the dust-collecting vehicle in a scrap iron recycling state;
FIG. 3 is a schematic structural view of a permanent magnet iron absorption recovery device provided by the present invention;
FIG. 4 is a schematic structural view of a permanent magnet attraction state of the present invention;
fig. 5 is a schematic structural view of the permanent magnet iron attraction device provided by the invention in a state that iron chips fall down.
Detailed Description
The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1 and 2, the dust collection vehicle comprises a chassis 1, a water tank 2, a hydraulic oil pump 3, an upper power device 4, a fan 5, a garbage can body 6, a suction nozzle 7, a permanent magnet iron absorption recovery device and an iron scrap recovery device 8; the chassis 1 adopts a second type chassis. In the embodiment, the permanent magnet iron absorption recovery device is arranged below the chassis 1 of the dust collection vehicle and in front of the suction nozzle 7, and can be integrated with the suction nozzle 7; before the garbage is sucked into the suction nozzle 7, the scrap iron is recovered. The scrap iron recycling device 8 comprises a scrap iron recycling bin and a power moving unit connected with the scrap iron recycling bin, and the power moving unit is connected with the chassis and used for controlling the scrap iron recycling bin to move between a scrap iron recycling position and an initial position.
As shown in fig. 3, the permanent magnet attracting recovery device comprises a guide support mechanism and a permanent magnet attracting device 12; the permanent magnet attracting device 12 comprises a bracket and a permanent magnet, wherein the bracket is provided with a follow-up roller group 9 and a permanent magnet 16 (refer to fig. 4 and 5); the permanent magnet iron attracting device 12 is connected with the chassis 1 through the guide supporting mechanism. The guide supporting mechanism comprises a connecting rod assembly 13, the connecting rod assembly 13 comprises a fixed rod and a swing rod, one end of the fixed rod is fixedly connected with the chassis 1, the other end of the fixed rod is hinged with one end of the swing rod, and the other end of the swing rod is connected with the permanent magnet iron-absorbing device 12. The guide supporting mechanism further comprises a floating type adjusting mechanism 11, the floating type adjusting mechanism 11 comprises a spring and a chain, two ends of the spring are respectively connected with the chassis 1 and the chain, and the chain is connected with the permanent magnet iron attracting device 12. The permanent magnet iron absorption recovery device also comprises a lifting mechanism 10, the lifting mechanism comprises an actuator, the rod end of the actuator is connected with a permanent magnet iron absorption device 12, and the rodless end of the actuator is connected with the chassis 1; the actuator is driven by hydraulic pressure, pneumatic pressure or electric power. The lifting mechanism further comprises an adjusting chain, and the rodless end of the actuator is connected with the chassis 1 through the adjusting chain.
As shown in fig. 4 and 5, in a specific embodiment, the permanent magnet attraction device 12 includes a magnetic shielding plate 18, a magnetic conductive plate 17 and an action portion for controlling the horizontal movement of the magnetic shielding plate 18, the magnetic conductive plate 17 is disposed right below the permanent magnet 16, the movable magnetic shielding plate 18 is disposed between the permanent magnet 16 and the magnetic conductive plate 17, the magnetic shielding plate 18 is connected to the action portion, and the action portion can control the magnetic shielding plate to move out of and into between the magnetic conductive plate 17 and the permanent magnet 16. The permanent magnet attracting device 12 further comprises a magnetic resistance plate 14 and a flat iron plate 15, the flat iron plate is arranged above the permanent magnet 16, and the magnetic resistance plate 14 is arranged above the flat iron plate 15.
When the dust collection vehicle normally works, the rod end of the lifting mechanism 10 extends out, the floating type adjusting mechanism 11 is in a floating state, the following roller group 9 contacts the ground and follows the walking of the second-class chassis 1, the magnetic shielding plate 18 of the permanent magnet iron absorption device 12 is far away from the permanent magnet 16, and the magnetic field emitted by the permanent magnet 16 penetrates through the magnetic conductive plate 17 to adsorb iron chips, iron slag and the like onto the magnetic conductive plate 17.
In the walking process, the whole permanent magnet iron absorption device 12 is connected and guided through the connecting rod assembly 13, and is driven to walk through the follow-up roller set 9, and the force is mainly borne on the follow-up roller set 9. The floating type adjusting mechanism 11 is in a floating state and is not stressed, and the rod-free end of the lifting mechanism 10 is connected with a D-shaped shackle and an adjusting chain and can also float. When meeting an obstacle, the permanent magnet iron absorption recovery device comprising the follow-up roller set 9, the permanent magnet iron absorption device 12 and the like is guided by the connecting rod assembly 13 and rotates upwards around the hinge point of the connecting rod, after the obstacle is crossed, the permanent magnet iron absorption recovery device comprising the follow-up roller set 9, the permanent magnet iron absorption device 12 and the like is guided by the connecting rod assembly 13 and rotates downwards around the hinge point of the connecting rod, and the follow-up roller set 9 continues to follow up in a clinging manner. In the process of climbing over an obstacle, a floating type adjusting mechanism 11 comprising a D-shaped shackle, an adjusting chain and a spring cannot interfere with a permanent magnet iron absorption recovery device, a lifting mechanism 10 without a rod end connected with the D-shaped shackle and the adjusting chain can allow the ascending quantity of 0-200 mm, a general road obstacle cannot exceed the ascending quantity of 200mm, and if the ascending quantity exceeds 200mm, a vehicle also bypasses, so that the designed automatic obstacle avoidance can meet the requirement of an actual working condition.
When the iron filings are collected intensively after the magnetic conductive plate 17 absorbs enough iron filings or after one working cycle in a factory is finished, the vehicle is driven to a fixed collection point, the magnetic shielding plate 18 is operated to actuate a switch, the magnetic shielding plate 18 moves horizontally along the guide rail to be close to the permanent magnet 16 until the magnetic shielding plate is completely inserted between the permanent magnet 16 and the magnetic conductive plate 17 capable of penetrating a magnetic field, the magnetic force is weakened or disappeared, and the iron filings, iron slag and the like naturally fall to the fixed collection point due to gravity.
When enough scrap iron is adsorbed on the magnetic conduction plate 17 in the vehicle operation process, a working cycle is not completed in a park and a working point is far away from a scrap iron fixed collection point, temporary storage is needed, the vehicle is temporarily stopped, the lifting mechanism 10 is operated to move upwards, the lifting mechanism 10 is recovered by a rod end, a permanent magnet iron absorption main body device comprising a follow-up roller set 9, a permanent magnet iron absorption device 12 and the like is guided by a connecting rod assembly 13, after the vehicle rotates around a connecting rod hinge point and moves upwards to an upper position, an operation command enables the scrap iron recovery device 8 to extend downwards to the lower end of the permanent magnet iron absorption device 12, a magnetic shielding plate 18 is operated to actuate a switch, the magnetic shielding plate 18 moves horizontally along a guide rail to be close to the permanent magnet 16 until the scrap iron, the iron slag and the like are completely inserted between the permanent magnet 16 and the magnetic conduction plate 17.
When the vehicle works again, the magnetic shielding plate 18 is operated to actuate the switch, so that the magnetic shielding plate 18 moves horizontally along the guide rail and is far away from the permanent magnet 16 until completely leaving the permanent magnet 16 and the magnetic conductive plate 17 capable of penetrating the magnetic field. And operating the command to return the scrap iron recovery device 8, operating the lifting mechanism 10 to carry out a downlink command, wherein the rod end of the lifting mechanism 10 extends out, a permanent magnet iron-attracting main body device comprising a follow-up roller group 9, a permanent magnet iron-attracting device 12 and the like is guided by a connecting rod assembly 13, and rotates around a connecting rod hinge point to contact the ground downwards, the distance between a magnetic field formed by a permanent magnet 16 and the ground is moderate, and the vehicle then works. The iron scrap recovery device 8 and the permanent magnet iron absorption device 12 are in action matching, DMU dynamic analysis is required, disorder cannot be caused, and the iron scrap recovery device 8 can swing in action and can also move back and forth and up and down.
The permanent magnet iron attracting device 12 is vertically layered and sequentially comprises a magnetic resistance plate 14, a flat iron plate 15 for bearing the permanent magnet 16, the permanent magnet 16 and a magnetic conduction plate 17 capable of penetrating a magnetic field from top to bottom, wherein a certain distance is formed between the permanent magnet 16 and the magnetic conduction plate 17 capable of penetrating the magnetic field, the distance is designed to be 5-50mm, the magnetic field formed by the permanent magnet 16 penetrates through the magnetic conduction plate 17 in a spaced mode, and scrap iron, iron slag and the like can be adsorbed onto the magnetic conduction plate 17. When scrap iron is collected, a hydraulic actuator is used for acting, so that the magnetic shielding plate 18 translates along the guide rail and is inserted between the permanent magnet 16 and the magnetic conducting plate 17 capable of penetrating through the magnetic field, the magnetic force is weakened or disappeared, and the scrap iron, the iron slag and the like naturally fall down due to gravity. The magnetic shielding plate 18 is an iron plate with the thickness of 6-20mm, is spatially staggered with the magnetic part in an initial state, and is positioned between the permanent magnet 16 and the magnetic conduction plate 17 capable of penetrating the magnetic field in the advancing direction.
A set of permanent magnet iron absorption recovery device is designed on a dust collection vehicle provided with a suction nozzle, a fan and a dustbin, and the permanent magnet iron absorption recovery device can be used for automatically classifying and recovering the garbage on the road surfaces of industrial parks and factories. After the cleaning work is finished, the magnetic field of the permanent magnet can be cut off through the working device, so that the adsorbed waste iron materials naturally fall off and are collected.
The magnetic conductive plate 17 capable of penetrating the magnetic field can be made of glass, wood plate, plastic, aluminum plate, copper plate and the like, and the strength of the magnetic conductive plate needs to be checked, and the installation of the magnetic conductive plate is considered. The magnetic shielding plate 18 can be an iron plate, and in order to overcome the large attraction force formed by the permanent magnet during the movement of the magnetic shielding plate, the magnetic shielding plate needs to be provided with a running guide rail and large thrust, and the strength of the magnetic shielding plate is enough.
The permanent magnet absorption recovery device also needs to perform calculation analysis on the trafficability, axle load distribution, structural strength, motion DMU and the like of the whole vehicle so as to ensure reasonable matching.
The foregoing is merely a preferred embodiment of this invention, which is intended to be illustrative, and not limiting. The structure, the connection mode and the like of all the components in the invention can be changed, and the equivalent transformation and the improvement on the basis of the technical scheme of the invention are not excluded from the protection scope of the invention.
Claims (10)
1. A permanent magnet iron absorption recovery device is arranged below a chassis of a dust collection vehicle and is characterized in that the permanent magnet iron absorption recovery device is arranged in front of a suction nozzle of the dust collection vehicle or integrated with the suction nozzle, and comprises a guide supporting mechanism and a permanent magnet iron absorption device;
the permanent magnet iron attracting device comprises a bracket and a permanent magnet, wherein the bracket is provided with a follow-up roller group and the permanent magnet;
the permanent magnet iron attracting device is connected with the chassis through the guide supporting mechanism.
2. The permanent magnet attracted iron recovery device of claim 1 wherein said guiding and supporting mechanism includes a linkage assembly, said linkage assembly including a fixed link and a swing link, one end of said fixed link being fixedly connected to said chassis, the other end of said fixed link being hingedly connected to one end of said swing link, the other end of said swing link being connected to said permanent magnet attracted iron recovery device.
3. The permanent magnet attraction iron recycling device according to claim 2, wherein the guiding and supporting mechanism further comprises a floating type adjusting mechanism, the floating type adjusting mechanism comprises a spring and a chain, the two ends of the spring are respectively connected with the chassis and the chain, and the chain is connected with the permanent magnet attraction iron device.
4. The permanent magnet iron recycling device of claim 1, further comprising a lifting mechanism, wherein the lifting mechanism comprises an actuator, a rod end of the actuator is connected with the permanent magnet iron recycling device, and a rodless end of the actuator is connected with the chassis.
5. The recycling apparatus of claim 4, wherein the lifting mechanism further comprises an adjusting chain, and the rodless end of the actuator is connected to the chassis via the adjusting chain.
6. The permanent magnet recycling apparatus of claim 4, wherein the actuator is hydraulically or pneumatically or electrically driven.
7. The permanent magnet attraction iron recycling device according to claim 1, further comprising a magnetic shielding plate, a magnetic conductive plate and an actuating portion for controlling the magnetic shielding plate to move horizontally, wherein the magnetic conductive plate is disposed directly below the permanent magnet, a movable magnetic shielding plate is disposed between the permanent magnet and the magnetic conductive plate, the magnetic shielding plate is connected to the actuating portion, and the actuating portion can control the magnetic shielding plate to move out of and into between the magnetic conductive plate and the permanent magnet.
8. The permanent magnet iron attraction recycling device according to claim 7, further comprising a magnet blocking plate and a flat iron plate, wherein the flat iron plate is disposed above the permanent magnet, and the magnet blocking plate is disposed above the flat iron plate.
9. The permanent magnet iron absorption recovery device according to claim 1, further comprising an iron scrap recovery device, wherein the iron scrap recovery device comprises an iron scrap recovery compartment and a power moving unit connected with the iron scrap recovery compartment, and the power moving unit is connected with the chassis and is used for controlling the iron scrap recovery compartment to move between an iron scrap recovery position and an initial position.
10. A vacuum vehicle comprising the permanent magnet recycling apparatus of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910118760.5A CN111576299A (en) | 2019-02-15 | 2019-02-15 | Permanent magnetism magnet recovery unit and dirty-suction vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910118760.5A CN111576299A (en) | 2019-02-15 | 2019-02-15 | Permanent magnetism magnet recovery unit and dirty-suction vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN111576299A true CN111576299A (en) | 2020-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910118760.5A Pending CN111576299A (en) | 2019-02-15 | 2019-02-15 | Permanent magnetism magnet recovery unit and dirty-suction vehicle |
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| Country | Link |
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| CN (1) | CN111576299A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112090933A (en) * | 2020-09-08 | 2020-12-18 | 萧县润泽环保科技有限公司 | Automatic garbage sorting equipment |
| CN113426570A (en) * | 2021-05-17 | 2021-09-24 | 浙江英洛华磁业有限公司 | Iron-containing dust cleaning device for powder metallurgy |
| CN114941301A (en) * | 2022-06-13 | 2022-08-26 | 陈双凤 | A dross collecting equipment for building site |
-
2019
- 2019-02-15 CN CN201910118760.5A patent/CN111576299A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112090933A (en) * | 2020-09-08 | 2020-12-18 | 萧县润泽环保科技有限公司 | Automatic garbage sorting equipment |
| CN112090933B (en) * | 2020-09-08 | 2021-08-27 | 萧县润泽环保科技有限公司 | Automatic garbage sorting equipment |
| CN113426570A (en) * | 2021-05-17 | 2021-09-24 | 浙江英洛华磁业有限公司 | Iron-containing dust cleaning device for powder metallurgy |
| CN113426570B (en) * | 2021-05-17 | 2024-03-29 | 浙江英洛华磁业有限公司 | Iron-containing dust cleaning device for powder metallurgy |
| CN114941301A (en) * | 2022-06-13 | 2022-08-26 | 陈双凤 | A dross collecting equipment for building site |
| CN114941301B (en) * | 2022-06-13 | 2023-12-08 | 中铁五局集团第二工程有限责任公司 | Metal slag collecting equipment for construction site |
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