CN109834043B - Waste sand recycling assembly line - Google Patents
Waste sand recycling assembly line Download PDFInfo
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- CN109834043B CN109834043B CN201910197829.8A CN201910197829A CN109834043B CN 109834043 B CN109834043 B CN 109834043B CN 201910197829 A CN201910197829 A CN 201910197829A CN 109834043 B CN109834043 B CN 109834043B
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- sand
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- belt conveyor
- screening machine
- waste
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- 239000004576 sand Substances 0.000 title claims abstract description 178
- 239000002699 waste material Substances 0.000 title claims abstract description 79
- 238000004064 recycling Methods 0.000 title claims description 17
- 238000012216 screening Methods 0.000 claims abstract description 55
- 239000000428 dust Substances 0.000 claims abstract description 53
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 13
- 238000011084 recovery Methods 0.000 claims abstract description 8
- 239000006148 magnetic separator Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 9
- 238000007790 scraping Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 abstract description 8
- 238000000746 purification Methods 0.000 abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 42
- 229910052802 copper Inorganic materials 0.000 description 42
- 239000010949 copper Substances 0.000 description 42
- 239000002245 particle Substances 0.000 description 23
- 239000012535 impurity Substances 0.000 description 14
- 238000005488 sandblasting Methods 0.000 description 11
- 238000001035 drying Methods 0.000 description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000003595 mist Substances 0.000 description 5
- 238000005422 blasting Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 235000013980 iron oxide Nutrition 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 244000017160 saligot Species 0.000 description 1
- 235000009165 saligot Nutrition 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
The invention relates to the technical field of waste sand recovery, and discloses a waste sand recovery assembly line which comprises waste sand treatment equipment and dust removal equipment, wherein the waste sand treatment equipment comprises a vibrating screen, a coarse screening machine, a three-return dryer and a fine screening machine which are sequentially arranged according to the waste sand treatment flow, and a belt conveyor is arranged between two adjacent waste sand treatment equipment in the waste sand treatment equipment; a sand storage tank is arranged behind the fine screening machine, and a belt conveyor and a bucket elevator which are sequentially connected are arranged between the fine screening machine and the sand storage tank; a garbage hopper is also arranged beside the coarse screening machine, and a belt conveyor is arranged between the coarse screening machine and the garbage hopper; a fine sand collecting hopper is arranged beside the fine screening machine, and a belt conveyor is arranged between the fine screening machine and the fine sand collecting hopper; the dust collection opening of the dust collection device is arranged above the waste sand treatment device. The invention realizes the purification and separation of waste sand and achieves the purpose of fully utilizing resources.
Description
Technical Field
The invention relates to the technical field of waste sand recovery, in particular to a waste sand recovery assembly line.
Background
In the mechanical industry, there are a number of blasting operations for steel structures. The sand grain commonly used for the blasting treatment is copper ore sand (also known as copper slag sand or copper furnace sand). Copper ore sand is slag generated after copper ore is smelted, separated and extracted, and is also called slag. The slag is crushed, screened and processed according to different purposes and requirements, and the specification is expressed by mesh number or particle size. The copper ore sand has high hardness, water caltrop in appearance, low content of compatible chloride ions, little dust during sand blasting and no environmental pollution, improves the working condition of sand blasting workers, has better rust removing effect than other rust removing sand, and has considerable economic benefit because the copper ore sand can be reused, so that each repair shop, shipbuilding factory, large steel structure engineering and the like adopt copper ore sand as sand blasting rust removing.
After copper ore sand is used for a period of time, on one hand, sand grains become smaller, and on the other hand, more sundries, dust and iron oxides are mixed, so that the sand grains become waste sand. From this measurement, about 60-70% of the usable sand still remains in the waste sand, with larger particles of copper sand being available for conventional blasting and smaller particles of copper sand being available for water mist blasting.
Therefore, in order to separate these available copper ores from each other, there is an urgent need to develop a waste sand recovery processing system with high efficiency to achieve full utilization of resources.
Disclosure of Invention
In order to solve the problems, the invention provides a waste sand recycling assembly line, which aims to realize purification and separation of waste sand and achieve the aim of fully utilizing resources. The specific technical scheme is as follows:
the waste sand recycling assembly line comprises waste sand treatment equipment and dust removal equipment, wherein the waste sand treatment equipment comprises a vibrating screen, a coarse screening machine, a three-return dryer and a fine screening machine which are sequentially arranged according to the waste sand treatment flow, and a belt conveyor is arranged between two adjacent waste sand treatment equipment in the waste sand treatment equipment; a sand storage tank is arranged behind the fine screening machine, and a belt conveyor and a bucket elevator which are sequentially connected are arranged between the fine screening machine and the sand storage tank; a garbage hopper is also arranged beside the coarse screening machine, and a belt conveyor is arranged between the coarse screening machine and the garbage hopper; a fine sand collecting hopper is arranged beside the fine screening machine, and a belt conveyor is arranged between the fine screening machine and the fine sand collecting hopper; the dust collection opening of the dust collection device is arranged above the waste sand treatment device.
The dust removing equipment comprises a dust collecting pipeline arranged above the waste sand treatment equipment, and the dust collecting pipeline is provided with a dust collecting opening.
When the assembly line runs, the waste copper ore sand is thrown into a waste sand collecting hopper by using a loader and conveyed to a vibrating screen through a belt conveyor to carry out primary impurity removal treatment, foreign matters (such as wood blocks and the like) with the size exceeding 30mm in the waste sand are separated, sand after primary impurity removal is conveyed to a coarse screening machine through the belt conveyor to carry out secondary impurity removal treatment, and large-particle impurities in the waste sand are separated and enter a garbage hopper through the belt conveyor; and the sand with sundries separated out enters a three-return dryer through a belt conveyor to be dried, after being subjected to heat exchange and drying, the sand enters a fine screening machine through the belt conveyor to be screened, fine sand particles enter a fine sand collecting hopper through the belt conveyor, and coarse sand particles are sent into sand tanks through the belt conveyor and a bucket elevator.
When the assembly line is running, the generated dust is treated by the dust removing equipment. Wherein, the dust that produces after the stoving is collected through the dust absorption pipeline of predetermineeing in waste sand treatment facility top, in collecting the ash bucket through two high-power dust collectors, can effectually restrain the dust outward.
In the technical scheme, the waste copper ore sand is subjected to primary impurity removal treatment of the vibrating screen, secondary impurity removal treatment of the coarse screening machine, drying treatment of the three-pass dryer and sorting treatment of the fine screening machine, and larger-particle copper ore sand and smaller-particle copper ore sand are separated from the waste copper ore sand, so that the purification and separation of the waste copper ore sand are realized, and the purpose of fully utilizing resources is achieved. Wherein, large-particle copper sand can be used for conventional sand blasting, and small-particle copper sand can be used for water mist sand blasting.
As a preferable scheme of the invention, the belt conveyor between the coarse screening machine and the garbage hopper is a large-inclination belt conveyor; the belt conveyor positioned between the fine screen machine and the fine sand collecting hopper is a large-inclination-angle belt conveyor; the belt conveyor positioned between the three-return dryer and the fine screen machine is a large-inclination-angle belt conveyor; wherein, the inclination angle of the large inclination angle belt conveyor is not less than 30 degrees.
Preferably, the fine screening machine is a vibrating fine hexagonal screen.
Preferably, the mesh size of the fine screening machine is 0.35-0.5 mm.
In the invention, the feeding end of the three-return dryer is provided with a burner.
Preferably, the temperature in the furnace of the burner is set to 300-400 ℃ during drying.
Preferably, the number of the dust collection openings is a plurality, and one dust collection opening is arranged at one end of the discharge opening of the three-return dryer.
Preferably, the waste sand recycling assembly line further comprises a fine sand storage tank, and a sand sucking machine for conveying fine sand in the fine sand collecting hopper into the fine sand storage tank is arranged between the fine sand collecting hopper and the fine sand storage tank.
In order to reduce solid waste emission, fine sand in a fine sand collecting hopper is conveyed into a special fine sand storage tank through a pipeline by using a high-power sand sucker, and is used for a water mist sand blasting device meeting the environmental protection requirement, the whole waste sand screening process only needs to be matched with a loader to add waste sand for operation, all the various conveyors, coarse screens, fine hexagonal screens and the like of the whole waste copper ore sand recycling pipeline are manufactured into a closed type, dust removing interfaces are scientifically distributed on each conveying line, dust is effectively restrained from being raised outwards by a dust remover, and no environmental pollution is achieved.
As the preferable scheme of the invention, two belt conveyors are arranged between the fine screen machine and the bucket elevator, the two belt conveyors are connected front and back, and a certain steering angle is arranged between the two belt conveyors.
By arranging two belt conveyors which are arranged at a certain angle between the fine screening machine and the bucket elevator, the field layout of the equipment can be fully optimized, and the utilization rate of a workshop site can be improved to the greatest extent.
As a further improvement of the invention, a magnetic separator is arranged at the upper end of the belt conveyor between the three-return dryer and the fine screen, the magnetic separator comprises a rotating shaft and a plurality of round magnet pieces which are fixed on the rotating shaft and are arranged at intervals, scraping plates are arranged on the end faces of the magnet pieces, an air suction cover is arranged between the upper positions of the magnet pieces and the scraping plates, and the air suction cover is connected with the dust removing equipment.
Preferably, the rotating shaft is driven to rotate by a gear motor, and the rotating direction of the circular magnet sheet is set in the following manner during operation: when the rotating shaft drives the circular magnet piece to rotate, the tangential direction of the movement of the lower end part of the circular magnet piece is consistent with the material conveying direction of the belt conveyor below the magnet piece; the scraping plate and the air suction cover are positioned at the rear end of the magnet piece in the material conveying direction.
Above-mentioned through being provided with magnetic separator in band conveyer's upper end, can effectively separate the iron oxide skin granule that mixes in copper ore sand to make copper ore sand purer. The magnetic separator adopts a round magnet sheet and scraper blade structure which are rotatably arranged, so that on one hand, the material can be moved more smoothly, and on the other hand, the magnetic separator, the scraper blade and the air suction cover can be matched with dust removal equipment to form negative pressure air suction, and the separation effect is good.
The beneficial effects of the invention are as follows:
firstly, according to the waste sand recycling assembly line disclosed by the invention, the waste copper ore sand is subjected to primary impurity removal treatment of the vibrating screen, secondary impurity removal treatment of the coarse screening machine, drying treatment of the three-pass dryer and sorting treatment of the fine screening machine, so that copper ore sand with larger particles and copper ore sand with smaller particles are separated from the waste copper ore sand, the purification and separation of the waste sand are realized, and the purpose of fully utilizing resources is achieved. Wherein, large-particle copper sand can be used for conventional sand blasting, and small-particle copper sand can be used for water mist sand blasting.
Secondly, according to the waste sand recycling assembly line, two belt conveyors which are arranged at a certain angle are arranged between the fine screen machine and the bucket elevator, so that the field layout of equipment can be fully optimized, and the utilization rate of a workshop site can be improved to the greatest extent.
Thirdly, according to the waste sand recycling assembly line, the magnetic separator is arranged at the upper end of the belt conveyor, so that iron oxide particles mixed in copper ore sand can be effectively separated, and the copper ore sand is purer. The magnetic separator adopts a round magnet sheet and scraper blade structure which are rotatably arranged, so that on one hand, the material can be moved more smoothly, and on the other hand, the magnetic separator, the scraper blade and the air suction cover can be matched with dust removal equipment to form negative pressure air suction, and the separation effect is good.
Drawings
FIG. 1 is a schematic diagram of a waste sand recovery assembly line of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a schematic view (left side view) of the magnetic separator of fig. 2.
In the figure: 1. dust collecting equipment 2, a vibrating screen, 3, a coarse screening machine, 4, a three-pass dryer, 5, a fine screening machine, 6, a waste sand collecting hopper, 7, a belt conveyor, 8, a sand storage tank, 9, a bucket elevator, 10, a garbage hopper, 11, a fine sand collecting hopper, 12, a burner, 13, a magnetic separator, 14, a rotating shaft, 15, a magnet sheet, 16, a scraper blade, 17, an air suction cover, 18 and a gear motor.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
An embodiment of a waste sand recycling assembly line of the invention is shown in fig. 1 to 3, and comprises waste sand treatment equipment and dust removal equipment 1, wherein the waste sand treatment equipment comprises a vibrating screen 2, a coarse screening machine 3, a three-return dryer 4 and a fine screening machine 5 which are sequentially arranged according to the flow of waste sand treatment, and a belt conveyor 7 is arranged between two adjacent waste sand treatment equipment in the waste sand treatment equipment; a sand storage tank 8 is arranged behind the fine screening machine 5, and a belt conveyor 7 and a bucket elevator 9 which are sequentially connected are arranged between the fine screening machine 5 and the sand storage tank 8; a garbage hopper 10 is also arranged beside the coarse screening machine 3, and a belt conveyor 7 is arranged between the coarse screening machine 3 and the garbage hopper 10; a fine sand collecting hopper 6 is arranged beside the fine screening machine 5, and a belt conveyor 7 is arranged between the fine screening machine 5 and the fine sand collecting hopper 6; the dust collection port of the dust collection device 1 is arranged above the waste sand treatment device.
Wherein the dust removing device 1 comprises a dust collecting pipeline arranged above the waste sand treatment device, and the dust collecting pipeline is provided with the dust collecting opening.
When the assembly line runs, the waste copper ore sand is thrown into a waste sand collecting hopper 6 by using a loader and conveyed to a vibrating screen 2 by using a belt conveyor to carry out primary impurity removal treatment, foreign matters (such as wood blocks and the like) exceeding 30mm in the waste sand are separated, the sand after primary impurity removal is conveyed to a coarse screening machine 3 by using a belt conveyor 7 to carry out secondary impurity removal treatment, and large-particle impurities in the waste sand are separated and enter a garbage hopper 10 by using the belt conveyor 7; the sand with sundries separated out enters a three-return dryer 4 through a belt conveyor 7 to be dried, after heat exchange and drying, the sand enters a fine screening machine 5 through the belt conveyor 7 to be screened, fine sand particles enter a fine sand collecting hopper 11 through the belt conveyor 7, and coarse sand particles are sent into sand tanks 8 through the belt conveyor 7 and a bucket elevator 9.
During operation of the line, the dust produced is treated by the dust removal device 1. Wherein, the dust that produces after the stoving is collected through the dust absorption pipeline of predetermineeing in waste sand treatment facility top, in collecting the ash bucket through two high-power dust collectors, can effectually restrain the dust outward.
In the technical scheme, the waste copper ore sand is subjected to primary impurity removal treatment by the vibrating screen 2, secondary impurity removal treatment by the coarse screening machine 3, drying treatment by the three-pass dryer 4 and sorting treatment by the fine screening machine 5, and larger-particle copper ore sand and smaller-particle copper ore sand are separated from the waste copper ore sand, so that the purification and separation of the waste copper ore sand are realized, and the purpose of fully utilizing resources is achieved. Wherein, large-particle copper sand can be used for conventional sand blasting, and small-particle copper sand can be used for water mist sand blasting.
As a preferable scheme of the embodiment, the belt conveyor 7 positioned between the coarse screening machine 3 and the garbage hopper 10 is a belt conveyor with a large inclination angle; the belt conveyor 7 positioned between the fine screen 5 and the fine sand collecting hopper 11 is a large-inclination-angle belt conveyor; the belt conveyor 7 positioned between the three-return dryer 4 and the fine screen 5 is a large-inclination-angle belt conveyor; wherein, the inclination angle of the large inclination angle belt conveyor is not less than 30 degrees.
Preferably, the fine screening machine 5 is a vibrating fine hexagonal screen.
Preferably, the screen mesh diameter of the fine screen 5 is 0.35-0.5 mm.
In this embodiment, the feeding end of the three-pass dryer 4 is provided with a burner 12.
Preferably, the temperature in the furnace of the burner 12 is set to 300-400 ℃ during drying.
Preferably, the number of the dust collection openings is several, and one of the dust collection openings is arranged at one end of the discharge opening of the three-return dryer 4.
Preferably, a waste sand recycling assembly line of the present embodiment further includes a fine sand storage tank, and a sand sucker (not shown in the figure) for transferring fine sand in the fine sand collection hopper 11 into the fine sand storage tank is disposed between the fine sand collection hopper 11 and the fine sand storage tank.
In this embodiment, in order to reduce solid waste and discharge, with the fine sand in the fine sand collection bucket, utilize high-power sand sucker to pass through the pipeline and carry to special fine sand holding vessel in for accord with the water smoke sand blasting unit of environmental protection requirement, whole waste sand screening flow only needs a loader cooperation to add waste sand and maintains the operation, whole waste copper ore sand recovery assembly line its all preparation such as all conveyers, coarse screening machine, meticulous hexagonal sieve are closed, and scientifically lay the dust removal interface on each transfer chain, effectively restrain the dust through the dust remover and raise outward, accomplish non-staining environment.
As a preferable scheme of this embodiment, there are two belt conveyors 7 located between the fine screen 5 and the bucket elevator 9, the two belt conveyors 7 are connected front and back, and a certain steering angle (90 degrees steering in the figure) is set between the two belt conveyors 7.
By arranging two belt conveyors 7 which are arranged at a certain angle between the fine screening machine 5 and the bucket elevator 9, the field layout of the equipment can be fully optimized, and the utilization rate of a workshop site can be improved to the maximum extent.
As a further improvement of the embodiment, a magnetic separator 13 is arranged at the upper end of the belt conveyor 7 between the three-pass dryer 4 and the fine screen 5, the magnetic separator 13 comprises a rotating shaft 14 and a plurality of round magnet pieces 15 fixed on the rotating shaft 14 and arranged at intervals, a scraper 16 is arranged on the end face of the magnet piece 15, an air suction cover 17 is arranged between the upper position of the magnet piece 15 and the scraper 16, and the air suction cover 17 is connected with the dust removing equipment 1.
Preferably, the rotation shaft 14 is driven to rotate by the gear motor 18, and the rotation direction of the circular magnet piece 15 is set as follows during operation: when the rotating shaft 14 drives the circular magnet piece 15 to rotate, the tangential direction of the movement of the lower end part of the circular magnet piece 15 is consistent with the material conveying direction of the belt conveyor 7 below the magnet piece 15; the scraper 16 and the suction hood 17 are positioned at the rear end of the magnet sheet 15 in the material conveying direction.
The magnetic separator 13 is arranged at the upper end of the belt conveyor 7, so that iron oxide scale particles mixed in copper ore sand can be effectively separated, and the copper ore sand is purer. The magnetic separator 13 adopts a rotary circular magnet sheet and scraper structure, so that on one hand, the material can be moved more smoothly, and on the other hand, the magnetic separator 13, the scraper 16 and the air suction cover 17 can be matched with the dust removing equipment 1 to form negative pressure air suction, so that the separation effect is good.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (7)
1. The waste sand recycling assembly line is characterized by comprising waste sand treatment equipment and dust removal equipment, wherein the waste sand treatment equipment comprises a vibrating screen, a coarse screening machine, a three-return dryer and a fine screening machine which are sequentially arranged according to the waste sand treatment flow, and a belt conveyor is arranged between two adjacent waste sand treatment equipment in the waste sand treatment equipment; a sand storage tank is arranged behind the fine screening machine, and a belt conveyor and a bucket elevator which are sequentially connected are arranged between the fine screening machine and the sand storage tank; a garbage hopper is also arranged beside the coarse screening machine, and a belt conveyor is arranged between the coarse screening machine and the garbage hopper; a fine sand collecting hopper is arranged beside the fine screening machine, and a belt conveyor is arranged between the fine screening machine and the fine sand collecting hopper; the dust collection port of the dust collection device is arranged above the waste sand treatment device; the feeding end of the three-return dryer is provided with a burner; the fine sand collecting hopper is arranged between the fine sand storage tank and the fine sand storage tank, and a sand sucking machine for conveying fine sand in the fine sand collecting hopper into the fine sand storage tank is arranged between the fine sand collecting hopper and the fine sand storage tank; the belt conveyor comprises a belt conveyor, a three-return dryer and a fine screen, wherein a magnetic separator is arranged at the upper end of the belt conveyor between the three-return dryer and the fine screen, the magnetic separator comprises a rotating shaft and a plurality of round magnet pieces which are fixed on the rotating shaft and are arranged at intervals, a scraping plate is arranged on the end face of each magnet piece, an air suction cover is arranged between the upper position of each magnet piece and the scraping plate, and the air suction cover is connected with dust removing equipment.
2. The waste sand recycling line according to claim 1, wherein the belt conveyor between the coarse screen and the waste hopper is a large-inclination belt conveyor; the belt conveyor positioned between the fine screen machine and the fine sand collecting hopper is a large-inclination-angle belt conveyor; the belt conveyor positioned between the three-return dryer and the fine screen machine is a large-inclination-angle belt conveyor; wherein, the inclination angle of the large inclination angle belt conveyor is not less than 30 degrees.
3. The sand recovery assembly line of claim 1, wherein the fine screen is a vibrating fine hexagonal screen.
4. The waste sand recycling pipeline according to claim 1, wherein the mesh diameter of the fine screening machine is 0.35-0.5 mm.
5. The waste sand recycling assembly line according to claim 1, wherein the number of the dust collection openings is a plurality, and one of the dust collection openings is arranged at one end of a discharge opening of the three-return dryer.
6. The waste sand recycling assembly line according to claim 1, wherein two belt conveyors are arranged between the fine screen machine and the bucket elevator, the two belt conveyors are connected front and back, and a certain steering angle is arranged between the two belt conveyors.
7. The waste sand recycling assembly line according to claim 1, wherein the rotating shaft is driven to rotate by a gear motor, and the rotating direction of the circular magnet sheet is set in the following manner during operation: when the rotating shaft drives the circular magnet piece to rotate, the tangential direction of the movement of the lower end part of the circular magnet piece is consistent with the material conveying direction of the belt conveyor below the magnet piece; the scraping plate and the air suction cover are positioned at the rear end of the magnet piece in the material conveying direction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910197829.8A CN109834043B (en) | 2019-03-15 | 2019-03-15 | Waste sand recycling assembly line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910197829.8A CN109834043B (en) | 2019-03-15 | 2019-03-15 | Waste sand recycling assembly line |
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| Publication Number | Publication Date |
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| CN109834043A CN109834043A (en) | 2019-06-04 |
| CN109834043B true CN109834043B (en) | 2023-12-29 |
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| CN114192275B (en) * | 2021-10-22 | 2023-10-20 | 中船澄西船舶修造有限公司 | Environment-friendly recovery device for rust removal waste sand of ship cargo hold without falling to ground |
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| CN206199456U (en) * | 2016-11-14 | 2017-05-31 | 潍坊国特矿山设备有限公司 | Dual-conveying tall belt high-efficiency sand making production line |
| CN206824186U (en) * | 2017-05-10 | 2018-01-02 | 姜宝军 | The equipment that aggregate chips, Machine-made Sand and miberal powder are extracted in limestone building stones |
| CN107185834A (en) * | 2017-07-14 | 2017-09-22 | 淮北庆荣高光建筑科技有限公司 | A kind of construction waste handles retracting device |
| CN107322492A (en) * | 2017-08-11 | 2017-11-07 | 苏天平 | A kind of sand-blasting abrasive screening reuse means that function is reclaimed with iron filings |
| CN208098610U (en) * | 2018-02-02 | 2018-11-16 | 湖北利建建材股份有限公司 | A kind of oblique belt aggregate automatic recycling device in New type agitation building |
| CN208161787U (en) * | 2018-03-30 | 2018-11-30 | 江苏龙净科杰环保技术有限公司 | A kind of waste and old denitrating catalyst recyclable device |
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