CN209985788U - Waste sand recovery assembly line - Google Patents
Waste sand recovery assembly line Download PDFInfo
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- CN209985788U CN209985788U CN201920329896.6U CN201920329896U CN209985788U CN 209985788 U CN209985788 U CN 209985788U CN 201920329896 U CN201920329896 U CN 201920329896U CN 209985788 U CN209985788 U CN 209985788U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model relates to a waste sand retrieves technical field, and it discloses a waste sand retrieves assembly line, including waste sand treatment facility and dust collecting equipment, waste sand treatment facility includes shale shaker, coarse screening machine, three return stroke drying-machines and the fine screening machine that arrange in proper order according to the flow of waste sand treatment, all be provided with band conveyer between its adjacent two waste sand treatment facilities in the waste sand treatment facility; 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 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 also arranged beside the fine screening machine, and a belt conveyor is arranged between the fine screening machine and the fine sand collecting hopper; and the dust suction port of the dust removing equipment is arranged above the waste sand treatment equipment. The utility model discloses a purification and the separation of waste sand have reached resource make full use of's purpose.
Description
Technical Field
The utility model relates to a waste sand retrieves technical field, concretely relates to waste sand retrieves assembly line.
Background
In the mechanical industry, there are a number of grit blasting operations for steel structural parts. The sand used for sand blasting is copper ore sand (also known as copper slag sand or copper furnace sand). The copper ore sand is slag generated after copper is extracted from copper ore through smelting separation, and is also called slag. The slag is processed by crushing and screening according to different purposes and requirements, and the specification is expressed by the mesh number or the size of particles. The copper ore sand has high hardness, water caltrop shape, low content of soluble chloride ions, little dust during sand blasting, no environmental pollution, improved working conditions of sand blasting workers, better rust removing effect than other rust removing sand, and considerable economic benefit due to repeated utilization, so that the copper ore sand is adopted by various repair plants, shipyard, large steel structure engineering and the like for sand blasting and rust removing.
After the copper ore sand is used for a period of time, on one hand, the sand grains become small, and on the other hand, more impurities, dust and iron oxides are mixed, so that the sand grains become waste sand. By evaluation, about 60-70% of the available sand remains in the waste sand, with the larger particles of copper ore being used for conventional blasting and the smaller particles of copper ore being used for water mist blasting.
Therefore, in order to separate the usable copper ore sand from the waste copper ore sand, it is urgently needed to develop a high-efficiency waste sand recycling and processing system to realize full utilization of resources.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a waste sand retrieves assembly line aims at realizing the purification and the separation of waste sand, reaches resource make full use of's purpose. The specific technical scheme is as follows:
a waste sand recovery 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-pass drying machine and a fine screening machine which are sequentially arranged according to a waste sand treatment process, and a belt conveyor is arranged between every 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 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 also arranged beside the fine screening machine, and a belt conveyor is arranged between the fine screening machine and the fine sand collecting hopper; and the dust suction port of the dust removing equipment is arranged above the waste sand treatment equipment.
The dust removing equipment comprises a dust suction pipeline arranged above the waste sand processing equipment, and the dust suction pipeline is provided with the dust suction port.
When the assembly line runs, a loader is used for putting waste copper ore sand into a waste sand collecting hopper, the waste copper ore sand is conveyed to a vibrating screen through a belt conveyor for primary impurity removal treatment, foreign matters (such as wood blocks and the like) exceeding 30mm in the waste sand are separated, the sand subjected to primary impurity removal is conveyed to a coarse screening machine through the belt conveyor for secondary impurity removal treatment, and large-particle impurities in the waste sand are separated and enter a garbage hopper through the belt conveyor; the sand separated from impurities enters a three-pass dryer through a belt conveyor for drying, after heat exchange drying, the sand enters a fine screening machine through the belt conveyor for screening, fine sand enters a fine sand collecting hopper through the belt conveyor, and coarse sand is sent into sand tanks through the belt conveyor and a hopper lifter.
When the production line runs, the generated dust is treated by dust removal equipment. Wherein, the dust that produces after the stoving is collected through the dust absorption pipeline of predetermineeing above the sand waste treatment facility, collects in the dust hopper through two high-power dust removers, can effectually restrain the dust outward to raise like this.
Among the above-mentioned technical scheme, the copper ore sand that gives up separates out the copper ore sand of great granule and the copper ore sand of less granule from the copper ore sand of useless copper through the primary edulcoration processing of shale shaker, the secondary edulcoration processing of coarse screening machine, the drying process of three return strokes drying-machine and the sorting process of fine screening machine to realized the purification and the separation of waste sand, reached resource make full use of's purpose. Wherein, the large-grained copper ore sand can be used for conventional sand blasting, and the small-grained copper ore sand can be used for water mist sand blasting.
As a preferred scheme of the utility model, 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 screening machine and the fine sand collecting hopper is a large-inclination-angle belt conveyor; the belt conveyor positioned between the three-pass dryer and the fine screening machine is a large-inclination-angle belt conveyor; wherein the inclination angle of the belt conveyor with the large inclination angle is not less than 30 degrees.
Preferably, the fine screen machine is a vibrating fine hexagonal screen.
Preferably, the aperture of the screen mesh of the fine screening machine is 0.35-0.5 mm.
The utility model discloses in, the feed end of three return strokes drying-machines is provided with the combustor.
Preferably, the temperature in the furnace of the burner is set to be 300-400 ℃ during drying.
Preferably, the number of the dust suction ports is several, and one of the dust suction ports is arranged at one end of the discharge port of the three-pass dryer.
Preferably, the utility model discloses a waste sand retrieves assembly line still includes the fine sand holding vessel, be provided with between fine sand collecting bucket and the fine sand holding vessel and be arranged in transporting the sand suction machine in the fine sand holding vessel with the fine sand in the fine sand collecting bucket.
The utility model discloses in, in order to reduce the solid waste and discharge, collect the fine sand in the fill with the fine sand, the high-power sand suction machine of application passes through in pipe-line transportation to dedicated fine sand holding vessel, a water smoke sand blasting unit for accord with the environmental protection requirement, whole waste sand screening flow only needs a loader to cooperate and adds the waste sand and maintains the function, its all kinds of conveyers of whole waste copper ore sand recovery assembly line, the coarse screening machine, meticulous hexagonal sieve etc. are all made into the closed, and lay the dust removal interface scientifically on each transfer chain, effectively restrain the dust and raise outward through the dust remover, accomplish non-staining environment.
As the utility model discloses a preferred scheme is located band conveyer between fine screen (ing) machine and the bucket elevator has two, two band conveyer connect around, and be provided with certain angle that turns to between two band conveyer.
Through set up two band conveyors that become certain angle and arrange between fine screen (ing) machine and the bucket elevator, can fully optimize the field layout of equipment, furthest improves the utilization ratio in workshop place.
As a further improvement, the utility model is located band conveyer's between three return-stroke drying-machines and the fine screen machine upper end is provided with magnetic separator, magnetic separator includes that pivot and a plurality of quantity are fixed in the pivot and the circular magnet piece that mutual interval set up, the terminal surface of magnet piece is provided with the scraper blade, follows the top position of magnet piece arrives be provided with the cover that induced drafts between the scraper blade, the cover that induced drafts is connected dust collecting equipment.
Preferably, the rotating shaft is driven to rotate by a speed reduction motor, and the rotating direction of the circular magnet piece is set according to the following mode 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 scraper blade and the air suction cover are positioned at the rear end of the magnet piece in the material conveying direction.
The magnetic separator is arranged at the upper end of the belt conveyor, so that iron oxide scale particles mixed in the copper ore sand can be effectively separated, and the copper ore sand is purer. Wherein, the magnetic separator adopts the circular magnet piece and the scraper blade structure that rotate the setting, and one of them aspect can be so that the removal of material is more smooth and easy, and on the other hand magnetic separator, scraper blade and the cover that induced drafts can cooperate with dust collecting equipment, form the negative pressure and induced draft, and its separation effect is good.
The utility model has the advantages that:
first, the utility model discloses a production line is retrieved to waste sand, waste copper ore sand is handled through the first edulcoration of shale shaker, the secondary edulcoration of coarse screening machine is handled, the drying process of three return stroke drying-machines and the sorting of fine screening machine is handled, separates out the copper ore sand of great granule and the copper ore sand of less granule from waste copper ore sand to realized the purification and the separation of waste sand, reached resource make full use of's purpose. Wherein, the large-grained copper ore sand can be used for conventional sand blasting, and the small-grained copper ore sand can be used for water mist sand blasting.
Second, the utility model discloses a production line is retrieved to waste sand, through set up two band conveyer that become certain angle and arrange between fine screen (ing) machine and the bucket elevator, the field layout that can fully optimize equipment improves the utilization ratio in workshop place to the at utmost.
Third, the utility model discloses a production line is retrieved to waste sand is provided with magnetic separator through the upper end at band conveyer, can effectively separate the iron oxide skin granule of falling muddy in the copper ore sand to make the copper ore sand purer. Wherein, the magnetic separator adopts the circular magnet piece and the scraper blade structure that rotate the setting, and one of them aspect can be so that the removal of material is more smooth and easy, and on the other hand magnetic separator, scraper blade and the cover that induced drafts can cooperate with dust collecting equipment, form the negative pressure and induced draft, and its separation effect is good.
Drawings
FIG. 1 is a schematic structural view of a waste sand recovery line of the present invention;
FIG. 2 is an enlarged partial view of FIG. 1;
fig. 3 is a schematic structural view (left side view) of the magnetic separator in fig. 2.
In the figure: 1. the device comprises dust removing 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 piece, 16, a scraper plate, 17, an air suction cover, 18 and a speed reducing motor.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Fig. 1 to 3 show an embodiment of the waste sand recycling assembly line of the present invention, which includes a waste sand processing device and a dust removing device 1, wherein the waste sand processing device includes a vibrating screen 2, a coarse screening machine 3, a three-pass drying machine 4 and a fine screening machine 5, which are sequentially arranged according to a waste sand processing flow, and a belt conveyor 7 is disposed between two adjacent waste sand processing devices in the waste sand processing device; 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 further 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 also 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; and the dust suction port of the dust removing device 1 is arranged above the waste sand treatment device.
The dust removing device 1 comprises a dust suction pipeline arranged above the waste sand treatment device, and the dust suction pipeline is provided with the dust suction port.
When the production line runs, a loader is used for putting waste copper ore sand into a waste sand collecting hopper 6, the waste copper ore sand is conveyed to a vibrating screen 2 through a belt conveyor for primary impurity removal treatment, foreign matters (such as wood blocks and the like) exceeding 30mm in the waste sand are separated, sand subjected to primary impurity removal is conveyed to a coarse screening machine 3 through a belt conveyor 7 for secondary impurity removal treatment, large-particle impurities in the waste sand are separated and enter a garbage hopper 10 through the belt conveyor 7; the sand separated from impurities enters a three-pass dryer 4 through a belt conveyor 7 for drying, after heat exchange drying, the sand enters a fine screening machine 5 through the belt conveyor 7 for screening, fine sand enters a fine sand collecting hopper 11 through the belt conveyor 7, and coarse sand is sent to sand tanks 8 through the belt conveyor 7 and a bucket elevator 9.
When the production line runs, the generated dust is treated by the dust removing device 1. Wherein, the dust that produces after the stoving is collected through the dust absorption pipeline of predetermineeing above the sand waste treatment facility, collects in the dust hopper through two high-power dust removers, can effectually restrain the dust outward to raise like this.
Among the above-mentioned technical scheme, the copper ore sand of waste separates out the copper ore sand of great granule and the copper ore sand of less granule from the copper ore sand of waste through the primary edulcoration processing of shale shaker 2, the secondary edulcoration processing of coarse screening machine 3, the drying process of three return strokes drying-machine 4 and the sorting process of fine screening machine 5 to realized the purification and the separation of waste sand, reached the purpose of resource make full use of. Wherein, the large-grained copper ore sand can be used for conventional sand blasting, and the small-grained copper ore sand can be used for water mist sand blasting.
As a preferable scheme of this embodiment, the belt conveyor 7 located between the coarse screening machine 3 and the garbage hopper 10 is a large-inclination belt conveyor; the belt conveyor 7 positioned between the fine screening machine 5 and the fine sand collecting hopper 11 is a large-inclination-angle belt conveyor; the belt conveyor 7 positioned between the three-pass dryer 4 and the fine screening machine 5 is a large-inclination-angle belt conveyor; wherein the inclination angle of the belt conveyor with the large inclination angle is not less than 30 degrees.
Preferably, the fine screen machine 5 is a vibrating fine hexagonal screen.
Preferably, the aperture of the screen mesh of the fine screening machine 5 is 0.35-0.5 mm.
In this embodiment, a burner 12 is disposed at the feeding end of the three-pass dryer 4.
Preferably, the temperature in the furnace of the burner 12 is set to 300-.
Preferably, the number of the dust suction ports is several, and one of the dust suction ports is arranged at one end of the discharge port of the three-pass dryer 4.
Preferably, the waste sand recovery assembly line of this embodiment further includes a fine sand storage tank, and a sand sucker (not shown in the figure) for transferring the fine sand in the fine sand collection hopper 11 to the fine sand storage tank is arranged between the fine sand collection hopper 11 and the fine sand storage tank.
In the embodiment, in order to reduce the discharge of solid wastes, the fine sand in the fine sand collecting hopper is conveyed to a special fine sand storage tank by a high-power sand suction machine through a pipeline, and is used for a water mist sand blasting device meeting the environmental protection requirement.
As a preferable mode of this embodiment, there are two belt conveyors 7 located between the fine screening machine 5 and the bucket elevator 9, the two belt conveyors 7 are connected in front and back, and a certain steering angle (90-degree steering in the figure) is provided between the two belt conveyors 7.
Through set up two band conveyer 7 that become certain angle and arrange between fine screen (ing) machine 5 and the bucket elevator 9, can fully optimize the field layout of equipment, furthest improves the utilization ratio in workshop place.
As a further improvement of this embodiment, a magnetic separator 13 is disposed at the upper end of the belt conveyor 7 between the three-pass dryer 4 and the fine screening machine 5, the magnetic separator 13 includes a rotating shaft 14 and a plurality of circular magnet pieces 15 fixed on the rotating shaft 14 and spaced from each other, a scraper 16 is disposed on the end face of each magnet piece 15, an air suction cover 17 is disposed between the scraper 16 and the magnet piece 15 from the upper position, and the air suction cover 17 is connected to the dust removing device 1.
Preferably, the rotating shaft 14 is driven to rotate by a speed reduction motor 18, and the rotating 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 air suction hood 17 are located at the rear end of the magnet piece 15 in the material conveying direction.
The above-mentioned upper end through at band conveyer 7 is provided with magnetic separator 13, can effectively separate the iron oxide skin granule of mixing in the copper ore sand to make the copper ore sand purer. Wherein, magnetic separator 13 adopts the circular magnet piece and the scraper blade structure that rotate the setting, and one of them aspect can be so that the removal of material is more smooth and easy, and on the other hand magnetic separator 13, scraper blade 16 and the cover 17 that induced drafts can cooperate with dust collecting equipment 1, form the negative pressure and induced draft, and its separation effect is good.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The waste sand recovery 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-pass drying machine and a fine screening machine which are sequentially arranged according to a waste sand treatment process, and a belt conveyor is arranged between every 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 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 also arranged beside the fine screening machine, and a belt conveyor is arranged between the fine screening machine and the fine sand collecting hopper; and the dust suction port of the dust removing equipment is arranged above the waste sand treatment equipment.
2. The waste sand recovery line of claim 1, wherein the belt conveyor between the coarse screening machine and the waste bin is a large-inclination belt conveyor; the belt conveyor positioned between the fine screening machine and the fine sand collecting hopper is a large-inclination-angle belt conveyor; the belt conveyor positioned between the three-pass dryer and the fine screening machine is a large-inclination-angle belt conveyor; wherein the inclination angle of the belt conveyor with the large inclination angle is not less than 30 degrees.
3. The waste sand reclamation line of claim 1, wherein the fine screen machine is a vibratory fine hexagonal screen.
4. The waste sand recycling assembly line of claim 1, wherein the mesh size of the fine screening machine is 0.35-0.5 mm.
5. The waste sand recycling assembly line of claim 1, wherein a burner is arranged at the feeding end of the three-pass dryer.
6. The waste sand recycling assembly line of claim 1, wherein the number of the dust suction ports is several, and one of the dust suction ports is arranged at one end of the discharge port of the three-pass dryer.
7. The waste sand recovery assembly line of claim 1, further comprising a fine sand storage tank, wherein a sand sucker for transferring the fine sand in the fine sand collection hopper into the fine sand storage tank is arranged between the fine sand collection hopper and the fine sand storage tank.
8. The waste sand recycling assembly line of claim 1, wherein there are two belt conveyors between the fine screening machine and the bucket elevator, the two belt conveyors are connected in front and back, and a certain steering angle is provided between the two belt conveyors.
9. The waste sand recycling assembly line according to claim 1, wherein a magnetic separator is arranged at the upper end of the belt conveyor between the three-pass dryer and the fine screening machine, the magnetic separator comprises a rotating shaft and a plurality of circular magnet pieces, the number of the circular magnet pieces is fixed on the rotating shaft, the circular magnet pieces are arranged at intervals, a scraper is arranged on the end face of each magnet piece, an air suction cover is arranged between the scraper and the position above the magnet pieces, and the air suction cover is connected with the dust removing equipment.
10. The waste sand recycling assembly line of claim 9, wherein the rotating shaft is driven to rotate by a speed reduction motor, and the rotating direction of the circular magnet piece is set as follows 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 scraper blade and the air suction cover are positioned at the rear end of the magnet piece in the material conveying direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920329896.6U CN209985788U (en) | 2019-03-15 | 2019-03-15 | Waste sand recovery assembly line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920329896.6U CN209985788U (en) | 2019-03-15 | 2019-03-15 | Waste sand recovery assembly line |
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| Publication Number | Publication Date |
|---|---|
| CN209985788U true CN209985788U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920329896.6U Active CN209985788U (en) | 2019-03-15 | 2019-03-15 | Waste sand recovery assembly line |
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| CN (1) | CN209985788U (en) |
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- 2019-03-15 CN CN201920329896.6U patent/CN209985788U/en active Active
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