CN109290202B - A wind selector for broken piece of steel scrap - Google Patents
A wind selector for broken piece of steel scrap Download PDFInfo
- Publication number
- CN109290202B CN109290202B CN201811325230.XA CN201811325230A CN109290202B CN 109290202 B CN109290202 B CN 109290202B CN 201811325230 A CN201811325230 A CN 201811325230A CN 109290202 B CN109290202 B CN 109290202B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 34
- 239000010959 steel Substances 0.000 title claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 82
- 238000007599 discharging Methods 0.000 claims abstract description 19
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- 238000004062 sedimentation Methods 0.000 claims description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 9
- 239000002699 waste material Substances 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
- B07B7/086—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by the winding course of the gas stream
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/02—Arrangement of air or material conditioning accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/04—Control arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
Landscapes
- Cyclones (AREA)
Abstract
The invention discloses a winnowing device for scrap steel crushed materials. The wind separation device comprises a Z-shaped main air pipe, wherein a feeding hole is connected with the tail end of a uniform vibration feeder, a Z-shaped heavy material separation cavity is formed at the lower end of the feeding hole, a vertical downward heavy material outlet is formed at the tail end of a discharging pipe, an air inlet pipe is tangentially connected to the side surface of the discharging pipe, an air quantity regulator is arranged at the upper opening of the air inlet pipe, an upper cleaning cavity is formed at the lower end of the feeding hole, two ends of a middle collector are respectively communicated with the middle inlet pipe and the middle outlet pipe, the lower end of the middle collector is contracted into a first settling chamber, a cyclone separator is communicated with the middle outlet pipe, a second settling chamber is arranged at the lower end of the cyclone separator, a main fan is installed at the upper end outlet of the cyclone separator, an air outlet of the main fan is communicated with an air supply pipe, and the air supply pipe is communicated with the upper opening of the air quantity regulator. The invention has the effects of adopting a plurality of Z-shaped air channels, having high screening precision and high screening efficiency.
Description
Technical Field
The invention relates to a screening device for automobile crushed materials, in particular to a winnowing device for waste steel crushed materials.
Background
The current resources are increasingly tense, the recycling of steel scrap waste is increasingly important, and especially in the recovery processing of waste automobiles, a large amount of waste steel exists, the waste is often subjected to primary crushing by adopting a hammer crusher, and the steel scrap crushed material contains more fine ash materials and light and thin materials, and the existing winnowing machine cannot sort the waste, so that the defect is that: firstly, the existing winnowing machine sorts scrap steel crushed materials, has low sorting efficiency and is easy to block; secondly, the feeding port adopts a straight pipe structure, the air flow changes the wind direction in the main pipeline, and unstable air flow and dust overflow are easy to generate; thirdly, the air locking valve is adopted for feeding, the feeding is uneven, the blocking condition caused by large-volume materials and foreign matters is easy to generate at the inlet, and once the blocking is performed, the air locking valve is easy to damage; fourth, waste steel is driven by air flow, and the air duct is easy to damage.
Disclosure of Invention
In order to solve one or more of the above problems, the present invention provides a wind separation device for scrap steel crushed material.
According to one aspect of the invention, the air separation device for scrap steel crushing materials comprises a main separator, wherein the main separator comprises a Z-shaped main air pipe, the main air pipe comprises six unit pipes which are communicated in sequence, adjacent unit pipes are symmetrically arranged about a connecting plane,
the lower end of the side surface of the second section of unit pipe is provided with a feed inlet, the feed inlet is connected with the tail end of a uniform vibration feeder, a Z-shaped heavy material separation cavity is formed in the third section of unit pipe to the fifth section of unit pipe at the lower end of the feed inlet, a rotational flow is formed in the heavy material separation cavity, heavy materials fall down, light materials rise up,
the right side surface of the discharging pipe is a discharging surface, the inclination of the discharging surface is the same as that of the sixth section of unit pipe, the tail end of the discharging surface is a vertically downward heavy material outlet, a first plug valve is arranged in the heavy material outlet, the left side surface of the discharging pipe is an air inlet surface, the air inlet surface and the sixth section of unit pipe are symmetrically arranged, the air inlet pipe is a large arc bent pipe, the tail end of the air inlet pipe is tangentially connected with the tail end of the air inlet surface, an air quantity regulator is arranged at the upper opening of the air inlet pipe,
an air outlet with a necking structure is arranged at the upper end of the first section of unit pipe to the second section of unit pipe, a right-angle elbow is arranged at the air outlet,
two ends of the middle collector are respectively communicated with a middle inlet pipe and a middle outlet pipe, the middle inlet pipe is communicated with a right-angle bent pipe, the lower end of the middle collector is contracted into a first settling chamber, the first settling chamber collects large light materials, the tail end of the first settling chamber is provided with a second plug valve,
the cyclone separator is communicated with the middle outlet pipe, the lower end of the cyclone separator is provided with a second sedimentation chamber, the second sedimentation chamber is used for collecting fine ash materials, a third plug valve is arranged at the tail end of the second sedimentation chamber, a main fan is arranged at the outlet of the upper end of the cyclone separator, an air outlet of the main fan is communicated with an air supply pipe, and the air supply pipe is communicated with the upper opening of the air quantity regulator.
This a wind selector for broken piece of steel scrap, the material gets into the zigzag main tuber pipe of main separator through vibration feeder, and the wind flows from down upwards through the zigzag main tuber pipe and at every unit pipe formation whirl, and the whirl can be efficient separates light and heavy material, and light thin grey material and frivolous material upwards pass through the zigzag main tuber pipe, and wherein the frivolous material that is heavier relatively subsides when passing through the intermediate collector and collects, and tiny grey material gets into cyclone and collects. The beneficial effects are as follows: firstly, a plurality of Z-shaped air channels are adopted, and rotational flow is formed when wind flows through each unit pipe, so that light and heavy materials can be separated efficiently by the rotational flow; secondly, the upper cleaning cavity can prevent heavy materials from being mixed in the light materials along with the light materials entering the top of the channel, and the screening degree is high; thirdly, the air inlet pipe is a large arc bent pipe, so that the air flow is changed into ascending air flow before encountering materials, and the phenomena of unstable air flow and dust overflow are avoided; fourthly, the main fan is positioned at the top of the cyclone separator, so that the space is saved, dust can be collected in the second settling chamber at the bottom of the cyclone separator, and the dust entering the air outlet pipe of the main fan is reduced, and dust emission is avoided; fifthly, the integrated design of the vibration feeder, the main separator, the middle collector and the cyclone separator has high utilization rate and low rotation cost and maintenance cost; sixth, the material is evenly fed through the vibration feeder, the blocking caused by the large-volume material and the foreign matters is not easy to happen, and the light-heavy separation efficiency can be improved due to even feeding.
In some embodiments, the main air pipe and the vibration feeder are lined with stainless steel wear plates, and the inner walls of the right-angle elbow pipe and the middle inlet pipe are provided with wear-resistant steel liners. The beneficial effects are as follows: adopt the wear-resisting material of stainless steel, can increase the structural strength of spare part, prevent broken material of steel scrap to the impact damage of spare part, improve spare part life, reduce machine maintenance and change, reduce cost improves production efficiency.
In some embodiments, the air volume regulator is a flat-mouth tube, the cross section of the air volume regulator is rectangular, and the rectangular cross section of the air volume regulator is linearly reduced from top to bottom.
In some embodiments, the main air duct comprises two side plates and two air plates, the two side plates are arranged in parallel, the two air plates are welded in the side plates, and six sections of inclined bending plates are distributed at the upper ends of the air plates.
In some embodiments, the angle between adjacent unit tubes is 90 ° -150 °.
In some embodiments, the angle between adjacent cell tubes is 120 °.
In some embodiments, the main air duct is provided with a first access opening and the cyclone separator is provided with a second access opening.
In some embodiments, the air outlet and the air inlet duct are provided with a cleaning opening.
In some embodiments, the first, second, and third plug valves are electromagnetic plug valves.
In some embodiments, the system further comprises a control module electrically connecting the main blower, the vibratory feeder, the first plug valve, the second plug valve, and the third plug valve.
Drawings
FIG. 1 is a three-dimensional schematic view of a winnowing device for scrap steel crushed material according to an embodiment of the invention;
FIG. 2 is a schematic front view of a fan assembly for scrap steel scrap in FIG. 1;
FIG. 3 is a schematic top view of a fan assembly for scrap steel crushed material of FIG. 1;
FIG. 4 is a schematic left-hand view of a fan assembly for scrap steel crushed material of FIG. 1;
FIG. 5 is a schematic illustration of the material of FIG. 1 being screened in a main separator;
FIG. 6 is a schematic view of the gravity separation chamber of FIG. 5;
the main separator 1, the main air pipe 10, the side plate 1001, the air plate 1002, the unit pipe 101, the discharging pipe 102, the discharging surface 103, the air inlet surface 104, the heavy material outlet 105, the first overhaul port 106, the feed inlet 11, the cleaning cavity 12, the heavy material separating cavity 13, the air inlet pipe 14, the air quantity regulator 15, the first plug valve 16, the air outlet 17, the right-angle elbow 18 and the cleaning port 19,
the device comprises a vibration feeder 2, an intermediate collector 3, an intermediate inlet pipe 31, an intermediate outlet pipe 32, a first sedimentation chamber 33, a second plug valve 34, a cyclone separator 4, a second sedimentation chamber 41, a third plug valve 42, a second overhaul port 43, a main fan 5, an air supply pipe 51 and a control module 6.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
Fig. 1 to 6 schematically show a wind separation device for scrap steel crushed material according to an embodiment of the present invention. As shown in the figure, the device comprises a main separator 1, the main separator 1 comprises a Z-shaped main air pipe 10, the main air pipe 10 comprises six unit pipes 101 which are communicated in sequence, adjacent unit pipes 101 are symmetrically arranged about a connecting plane,
the lower end of the side surface of the second section unit pipe 101 is provided with a feed inlet 11, the feed inlet 11 is connected with the tail end of the uniform vibration feeder 2, a Z-shaped heavy material separation cavity 13 is formed in the third section to the fifth section unit pipe 101 at the lower end of the feed inlet 11, a rotational flow is formed in the heavy material separation cavity 13, heavy materials fall, light materials rise,
the right side surface of the discharging pipe 102 is a discharging surface 103, the inclination of the discharging surface 103 is the same as that of the sixth section unit pipe 101, the tail end of the discharging surface 103 is a vertically downward heavy material outlet 105, a first plug valve 16 is arranged in the heavy material outlet 105, the left side surface of the discharging pipe 102 is an air inlet surface 104, the air inlet surface 104 and the sixth section unit pipe 101 are symmetrically arranged, the air inlet pipe 14 is a large arc bent pipe, the tail end of the air inlet pipe 14 is tangentially connected with the tail end of the air inlet surface 104, the upper opening of the air inlet pipe 14 is provided with an air quantity regulator 15,
at the upper end of the feed inlet 11, the first section to the second section of unit pipes 101 form an upper cleaning cavity 12, the upper end of the first section of unit pipes 101 is provided with an air outlet 17 with a necking structure, the air outlet 17 is provided with a right-angle elbow 18,
the two ends of the middle collector 3 are respectively communicated with a middle inlet pipe 31 and a middle outlet pipe 32, the middle inlet pipe 31 is communicated with a right-angle elbow pipe 18, the lower end of the middle collector 3 is contracted into a first sedimentation chamber 33, the first sedimentation chamber 33 collects large light materials, the tail end of the first sedimentation chamber 33 is provided with a second plug valve 34,
the cyclone 4 is communicated with the middle outlet pipe 32, the lower end of the cyclone 4 is provided with a second settling chamber 41, the second settling chamber 41 is used for collecting fine ash materials, a third plug valve 42 is arranged at the tail end of the second settling chamber 41, a main fan 5 is arranged at the outlet of the upper end of the cyclone 4, the air outlet of the main fan 5 is communicated with an air supply pipe 51, and the air supply pipe 51 is communicated with the upper opening of the air quantity regulator 15.
This a wind selector for broken piece of steel scrap, the material gets into the zigzag main tuber pipe 10 of main separator 1 through vibration feeder 2, and the wind flows from down upwards through zigzag main tuber pipe 10 and forms the whirl at every unit pipe 10, and the whirl can be high-efficient separate light and heavy material, and light thin ash material and frivolous material upwards pass through zigzag main tuber pipe 10, and wherein the frivolous material of relative heavy subsides when passing through intermediate collector 3 and collects, and tiny ash material gets into cyclone 4 and collects. The beneficial effects are as follows: firstly, a plurality of Z-shaped air channels are adopted, and rotational flow is formed when wind flows through each unit pipe 101, so that light and heavy materials can be separated efficiently by the rotational flow; secondly, the upper cleaning cavity 12 can prevent heavy materials from being mixed in the light materials along with the light materials entering the top of the channel, and the screening degree is high; thirdly, the air inlet pipe 14 is a large arc bent pipe, so that the air flow is changed into ascending air flow before encountering materials, and the phenomena of unstable air flow and dust overflow are avoided; fourth, the main fan 5 is positioned at the top of the cyclone separator 4, so that space is saved, dust can be collected by the second settling chamber 41 at the bottom of the cyclone separator 4, and the dust entering the air outlet pipe of the main fan 5 is reduced, and dust emission is avoided; fifthly, the vibration feeder 2, the main separator 2, the middle collector 2 and the cyclone separator 4 are integrally designed, so that the utilization rate is high, and the rotation cost and the maintenance cost are low; sixth, the material is evenly fed through the vibration feeder 2, so that the blocking caused by the large-volume material and the foreign matters is not easy to happen, and the light-heavy separation efficiency can be improved due to the even feeding.
Preferably, the main air pipe 10 and the vibration feeder 2 are lined with stainless steel wear-resistant plates, and the inner walls of the right-angle elbow pipe 18 and the middle inlet pipe 31 are provided with wear-resistant steel liners. Adopt the wear-resisting material of stainless steel, can increase the structural strength of spare part, prevent broken material of steel scrap to the impact damage of spare part, improve spare part life, reduce machine maintenance and change, reduce cost improves production efficiency.
Preferably, the air volume regulator 15 is a flat mouth through pipe, the section of the air volume regulator 15 is rectangular, and the rectangular section of the air volume regulator 15 is linearly reduced from top to bottom. The air quantity regulator 15 is stable in air inlet and free of turbulent air flow.
Preferably, the main air duct 10 comprises two side plates 1001 and two air plates 1002, the two side plates 1001 are arranged in parallel, the two air plates 1002 are welded in the side plates 1001, and six sections of inclined bending plates are distributed at the upper ends of the air plates 1002.
Preferably, the angle between adjacent unit pipes 101 is 90 ° -150 °. The main air pipe 10 formed by the unit pipes 101 has good screening effect and high screening efficiency.
Preferably, the angle between adjacent unit pipes 101 is 120 °. The main air duct 10 composed of the unit pipes 101 can obtain the best screening effect.
Preferably, the main air duct 10 is provided with a first access opening 106, and the cyclone separator 4 is provided with a second access opening 43. The maintenance hole is convenient to maintain.
Preferably, the air outlet 17 and the air inlet duct 14 are provided with a cleaning opening 19. The cleaning port 19 is convenient to clean and easy to access.
Preferably, the first, second, and third plug valves 16, 34, 42 are electromagnetic plug valves. This setting can automatic discharge, reduces to stop in, reduces the manpower input.
Preferably, the control module 6 is further included, and the control module 6 is electrically connected to the main blower 5, the vibratory feeder 2, the first plug valve 16, the second plug valve 34, and the third plug valve 42. The automatic operation of broken piece of steel scrap has been realized in this setting, and the action is reliable and stable, efficient.
What has been described above is merely some embodiments of the present invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention.
Claims (10)
1. A winnowing device for scrap steel crushed materials is characterized by comprising a main separator (1), wherein the main separator (1) comprises a Z-shaped main air pipe (10), the main air pipe (10) comprises six unit pipes (101) which are sequentially communicated, adjacent unit pipes (101) are symmetrically arranged about a connecting plane,
the lower end of the side surface of the second section of the unit pipe (101) is provided with a feed inlet (11), the feed inlet (11) is connected with the tail end of the uniform vibration feeder (2), the lower end of the feed inlet (11), the third section to the fifth section of the unit pipe (101) form a Z-shaped heavy material separation cavity (13), a rotational flow is formed in the heavy material separation cavity (13), heavy materials fall down, and light materials rise up,
the right side of the discharging pipe (102) is a discharging surface (103), the tilting of the discharging surface (103) is the same as that of the sixth section of the unit pipe (101), the tail end of the discharging surface (103) is a vertical downward heavy material outlet (105), a first plug valve (16) is arranged in the heavy material outlet (105), the left side of the discharging pipe (102) is an air inlet surface (104), the air inlet surface (104) and the sixth section of the unit pipe (101) are symmetrically arranged, the air inlet pipe (14) is a large arc bent pipe, the tail end of the air inlet pipe (14) is tangentially connected with the tail end of the air inlet surface (104), an air quantity regulator (15) is arranged at the upper opening of the air inlet pipe (14),
at the upper end of the feed inlet (11), the first section to the second section of the unit pipe (101) form an upper cleaning cavity (12), the upper end of the first section of the unit pipe (101) is provided with an air outlet (17) with a necking structure, the air outlet (17) is provided with a right-angle elbow pipe (18),
two ends of the middle collector (3) are respectively communicated with a middle inlet pipe (31) and a middle outlet pipe (32), the middle inlet pipe (31) is communicated with the right-angle elbow pipe (18), the lower end of the middle collector (3) is contracted into a first sedimentation chamber (33), the first sedimentation chamber (33) is used for collecting large light materials, the tail end of the first sedimentation chamber (33) is provided with a second plug valve (34),
cyclone (4) intercommunication exit tube (32) in the middle of, cyclone (4) lower extreme is equipped with second settling chamber (41), thin grey material is collected to second settling chamber (41), third plug valve (42) are installed to second settling chamber (41) end, main fan (5) are installed to cyclone (4) upper end export, main fan (5) air outlet intercommunication blast pipe (51), blast pipe (51) intercommunication the upper shed of air regulator (15).
2. A fan for scrap steel crushed material according to claim 1, wherein the main air duct (10) and the vibratory feeder (2) are lined with stainless steel wear plates, and the inner walls of the right angle bend (18) and the intermediate inlet duct (31) are provided with wear resistant steel liners.
3. The winnowing device for scrap steel crushed materials according to claim 1, wherein the air quantity regulator (15) is a flat mouth through pipe, the cross section of the air quantity regulator (15) is rectangular, and the rectangular cross section of the air quantity regulator (15) is linearly reduced from top to bottom.
4. A wind separator for scrap steel crushed material according to claim 1, wherein the main wind pipe (10) comprises two side plates (1001) and two wind plates (1002), the two side plates (1001) are arranged in parallel, the two wind plates (1002) are welded in the side plates (1001), and six inclined bending plates are distributed at the upper ends of the wind plates (1002).
5. A fan for scrap steel crushed material according to claim 1, wherein the angle between adjacent unit pipes (101) is 90 ° -150 °.
6. A fan for scrap steel crushed material according to claim 5, wherein the angle between adjacent unit pipes (101) is 120 °.
7. A fan device for scrap steel crushed material according to claim 1, characterized in that the main air duct (10) is provided with a first access opening (106) and the cyclone separator (4) is provided with a second access opening (43).
8. A fan device for scrap steel crushed material according to claim 1, characterized in that the air outlet (17) and the air inlet duct (14) are provided with cleaning openings (19).
9. A pneumatic separation device for scrap steel crushed pieces according to claim 1, wherein the first plug valve (16), the second plug valve (34) and the third plug valve (42) are electromagnetic plug valves.
10. A fan device for scrap steel crushed material according to claim 9, further comprising a control module (6), wherein the control module (6) is electrically connected to the main fan (5), the vibratory feeder (2), the first plug valve (16), the second plug valve (34) and the third plug valve (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811325230.XA CN109290202B (en) | 2018-11-08 | 2018-11-08 | A wind selector for broken piece of steel scrap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811325230.XA CN109290202B (en) | 2018-11-08 | 2018-11-08 | A wind selector for broken piece of steel scrap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109290202A CN109290202A (en) | 2019-02-01 |
| CN109290202B true CN109290202B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811325230.XA Active CN109290202B (en) | 2018-11-08 | 2018-11-08 | A wind selector for broken piece of steel scrap |
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| CN (1) | CN109290202B (en) |
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| CN111282817A (en) * | 2020-03-16 | 2020-06-16 | 大连华泰臣科技服务有限公司 | Negative pressure winnowing machine |
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| CN115400951A (en) * | 2022-08-25 | 2022-11-29 | 蚌埠化工机械制造有限公司 | Glass screening device and screening method |
| CN115415161A (en) * | 2022-08-25 | 2022-12-02 | 蚌埠化工机械制造有限公司 | Quartz sand grading device and grading method |
| CN115400950A (en) * | 2022-08-25 | 2022-11-29 | 蚌埠化工机械制造有限公司 | Material screening method adopting Z-shaped pipeline |
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| CN103706566A (en) * | 2013-12-31 | 2014-04-09 | 一重集团大连设计研究院有限公司 | Vertical winnowing system of household garbage |
| KR101413628B1 (en) * | 2014-04-30 | 2014-07-09 | 주식회사 포스벨 | Sucction sorting device |
| CN209174377U (en) * | 2018-11-08 | 2019-07-30 | 江苏科选环境科技有限公司 | A kind of pneumatic separation device for steel scrap broken material |
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| CN109290202A (en) | 2019-02-01 |
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