CN218796492U - Water supplementing structure for zircon middling separation spiral chute - Google Patents
Water supplementing structure for zircon middling separation spiral chute Download PDFInfo
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- CN218796492U CN218796492U CN202222121381.1U CN202222121381U CN218796492U CN 218796492 U CN218796492 U CN 218796492U CN 202222121381 U CN202222121381 U CN 202222121381U CN 218796492 U CN218796492 U CN 218796492U
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Abstract
The utility model discloses a water replenishing structure for a zircon middling separation spiral chute, which consists of a plurality of water replenishing structures which are movably arranged at the outer edge of the spiral chute at intervals, and the distance between the water replenishing structures on the spiral chute is 1/4-1 circle by the horizontal plane projection of the spiral chute; each water supplementing structure comprises a water inlet pipe, a cavity arc-shaped structure shower head, a fixing lug and a water outlet; the shower head with the cavity arc structure is of a cavity structure, one surface of the cavity structure is an arc surface, and the radian of the arc surface is consistent with that of the outer edge of the spiral chute; the arc length direction along spiral chute outside border is all equipped with fixed ear in arcwall face both ends, is top surface and bottom surface between arc length direction arcwall face and the opposite face along spiral chute outside border, and the top surface is connected with advancing water piping, and the bottom surface evenly is equipped with a plurality of delivery ports. The utility model provides a residual problem at edge when prior art utilizes spiral chute to select separately mineral, be particularly suitable for zircon middlings spiral chute and select separately.
Description
Technical Field
The utility model relates to a moisturizing structure especially relates to a moisturizing structure that is used for zircon sand middlings to select separately spiral chute, belongs to mineral processing equipment technical field.
Background
The mineral processing equipment roughly comprises crushing equipment, ore grinding equipment, screening and grading equipment, magnetic separation equipment, electric separation equipment, washing equipment, gravity separation equipment, concentration equipment and drying and calcining equipment. Wherein the crushing equipment comprises a jaw crusher, a hammer crusher, a reaction crusher, a cone crusher, a toothed roll crusher, a double-roll crusher and the like. The ore grinding equipment comprises an ultrafine lamination autogenous mill, a cement ball mill, a cone ball mill, a ceramic ball mill, an energy-saving ball mill, a high-energy ball mill, a high-fineness ball mill, a lattice type ball mill, an overflow type ball mill, a premixing mill and the like. The screening and grading equipment comprises a multi-frequency dewatering screen, a high-frequency screen, a circular vibrating screen, a linear vibrating screen, a YK series circular vibrating screen, a rotary screen, a finished product screen, a spiral classifier and the like. Magnetic separation equipment comprises a wet magnetic separator and a dry magnetic separator; strong magnetic field magnetic separator, medium magnetic field magnetic separator, weak magnetic field magnetic separator, river sand magnetic separator, wet permanent magnetic cylinder magnetic separator, boiling type concentrating machine, etc. The electric separation equipment comprises a high-voltage roller electric separator and the like. The washing equipment comprises an SF type flotation machine, a BF type flotation machine, an XJK series flotation machine, a full-section air-lift type micro-bubble flotation machine, a stirring type flotation machine, a spiral classifier, a vacuum filter, a dry separator, a sand washer and the like. The auxiliary equipment for mineral separation comprises a vibrating feeder, a groove type ore feeder, a swing type ore feeder, a stirring barrel, a bucket elevator, a belt conveyor, a vibrating feeder, a disc feeder, a high-efficiency thickener, a disc granulator, a ore washer, a shaking table, a spiral chute, a hydrocyclone, a jigger, a tailing reclaimer, a cement mill, a raw material mill, an MBS type rod mill and the like. The concentrating equipment comprises a boiling concentrator, a central transmission type concentrator, a peripheral transmission type concentrator, a high-efficiency concentrator and the like. The drying and calcining equipment comprises a dryer, a coal slime dryer, a sludge dryer, a powder dryer, a slag dryer, a fly ash dryer, a rotary kiln and the like.
The gravity separation equipment comprises a boiling type concentrating machine, a shaking table, a chute, a jigger, a water jacket centrifuge, a centrifugal disc concentrating machine, heavy medium concentrating equipment and the like. The spiral chute is a common gravity separation device, and is commonly used for coal dressing and roughing of most metal minerals.
The zircon sand is a natural mineral of zirconium metal, mainly seashore placer, and has the particle size distribution of 80-200 meshes. Is one of the strategic resource minerals which are almost all imported in China. Besides the concentrate, china imports a large amount of zircon sand middlings every year, and the zircon sand middlings refer to zircon sand with the zirconia content of 20-50% by weight. The separation processing of zircon sand middlings mainly comprises gravity separation, electromagnetic separation and flotation. The gravity separation process of zircon sand middlings generally adopts a hydraulic table concentrator process, but has the defect of low yield of a single table concentrator, and at present, the gravity separation process also adopts a spiral chute for rough separation and is combined with table concentrator or electromagnetic concentrator.
The spiral chute is a common mineral processing equipment, the inlet opening department at spiral chute top is sent ore sand to by the sand pump, add make-up water, adjust ore pulp concentration, the ore pulp is from high downward whirl naturally, produce an inertial centrifugal force in rotatory inclined plane velocity of flow, with the proportion of ore sand, the granularity, the difference in the shape, gravity and the effect of centrifugal force through the whirl, part ore and sand, the concentrate flows into the concentrate and connects out for the ore hopper pipeline, the tailings stream enters the tailings hopper and connects the sand pit with the pipeline, reuse sand pump is discharged away, the overall process of mineral processing has been accomplished. However, the technology completely depends on the centrifugal force of the spiral chute for mineral separation, the ore pulp flows on the inclined plane, and the ore pulp near the edge of the inclined plane has relatively high position, so that the water content of the ore pulp is reduced very quickly, so that part of ore sand stays at the inclined plane near the edge, and the mineral separation efficiency is obviously influenced; at present, no proper technical measures are available for solving the problem, and the part of ore pulp is generally collected and reprocessed afterwards, so that on one hand, the processing cost is increased for many times, and on the other hand, the ore dressing effect of the spiral chute is reduced sharply due to the fact that minerals adhered to the edge of the spiral chute are increased continuously.
Disclosure of Invention
The utility model aims at providing a moisturizing structure for spiral chute has solved the problem that the spiral chute inclined plane edge water yield that exists is not enough among the prior art, improves ore dressing efficiency.
The purpose of the utility model is realized through the following technical scheme:
a water supplementing structure for a zircon middling separation spiral chute is composed of a plurality of water supplementing structures which are movably arranged at the outer edge of the spiral chute at intervals, and the distance between the water supplementing structures on the spiral chute is 1/4-1 circle by the horizontal plane projection of the spiral chute; each water supplementing structure comprises a water inlet pipe, a cavity arc-shaped structure shower head, a fixing lug and a water outlet; the shower head with the cavity arc structure is of a cavity structure, one surface of the cavity structure is an arc surface, and the radian of the arc surface is consistent with that of the outer edge of the spiral chute; the arc-shaped surface is provided with fixing lugs at two ends along the arc length direction of the outer edge of the spiral chute, a top surface and a bottom surface are arranged between the arc-shaped surface and the opposite surface along the arc length direction of the outer edge of the spiral chute, the top surface is connected with a water inlet pipe, the bottom surface is uniformly provided with a plurality of water outlets, the diameter of each water outlet is 0.5-1 mm, the distance is 4-6 mm, and the water outlets face the inner side of the chute body downwards.
To further achieve the object of the present invention, it is preferable that the hollow arc-shaped structural flower is made of rubber, plastic or metal.
Further preferably, the metal is stainless steel or aluminum alloy.
Preferably, the arc length of each cavity arc-shaped structure shower head is 20-30 cm, and the width of each cavity arc-shaped structure shower head is 10-15 cm.
Preferably, the opposite surface of the arc-shaped surface of the cavity structure is an arc-shaped surface.
Preferably, the fixing lug is fixed on the chute inclined surface edge through a fixing clamp.
Preferably, the fixing clip is made of a moisture-proof material.
Further preferably, the moisture-proof material is stainless steel, aluminum alloy or copper alloy.
Preferably, the fixing clamp is a universal clamp, an A-shaped clamp, a G-shaped clamp or a C-shaped clamp of a carpenter.
Preferably, the spiral chute is made of steel or glass reinforced plastic.
Compared with the prior art, the utility model has the advantages of as follows:
1) The utility model discloses set up a plurality of moisturizing devices at spiral chute outward flange interval activity, solved prior art and utilized the spiral chute to select separately the marginal problem of remaining when mineral, moreover with the horizontal plane projection meter of spiral chute, the interval of moisturizing device on the spiral chute both can guarantee not remain for 1/4-1 circle, can also show simultaneously and save the cost increase problem that brings according to the moisturizing device, is particularly suitable for zircon middlings spiral chute and selects separately.
2) Each water replenishing device of the utility model comprises a water inlet pipe, a shower head with a cavity arc structure, a fixing lug and a water outlet; the cavity arc structure gondola water faucet is the cavity structure, and the one side of cavity structure is the arc, and the radian is unanimous with the outside border radian of spiral chute, has guaranteed the steadiness of cavity arc structure gondola water faucet at the installation of spiral chute.
3) The utility model discloses be top surface and bottom surface between arc length direction arcwall face and the opposite face along spiral chute outer border, top surface and advance water piping connection, the bottom surface evenly is equipped with a plurality of delivery ports, the diameter of delivery port is 0.5-1 millimeter, interval 4-6 millimeters, the delivery port is facing to the inboard of cell body down, be convenient for go out water and wash the placer of lower limb, this design guarantees out the direct effect of rinsing towards marginal zircon middlings of water, still fully considered the effect of rinsing towards marginal zircon middlings under the spiral chute rotation effect drives, showing and promoting ore dressing efficiency.
4) Adopt the utility model discloses a scheme has improved the concentrate grade of a fill for the scheme of moisturizing not, reduces impurity content wherein, and the chute afterbody is equipped with the guiding gutter, divide into the triplex to the ore pulp on the chute from inside to outside, inserts different hoppers respectively, calls into a fill in being accustomed to, two fill, three fill. The distribution of the slurry over the cross-section of the chute is disturbed by a number of factors including the type of mineral, density and particle size, slurry ratio, smoothness and cross-sectional slope etc. After the chute is manufactured and installed, the smoothness and the section gradient of the chute are basically fixed. When the chute is used for separating zircon sand, behind the partial ore sand that is detained in the chute outside, be equivalent to chute surface smoothness and cross-section slope and change, lead to the fluid property of ore pulp stream to take place little change, the ore sand distribution that carries also changes thereupon. As the fresh slurry flows to the surface containing the retained portion of the sand, the micro-turbulence increases and more entrainment occurs, which is manifested as the collected tailings portion containing more concentrate particles.
5) The utility model discloses the flexibility of moisturizing device installation on the spiral chute has been guaranteed in the design of fixed ear, comparatively conveniently according to dazzling adjustment moisturizing device mounted position on the spiral chute.
Drawings
FIG. 1 the utility model relates to a schematic diagram of a moisturizing structure that is used for zircon middlings to select separately spiral chute.
Fig. 2 is the utility model relates to an installation schematic diagram of moisturizing structure on spiral chute for zircon middling separation spiral chute.
Fig. 3 is a schematic view of the installation of the water replenishing device on the spiral chute with a distance of 1 circle by using a horizontal plane projection meter of the spiral chute.
The figures show that: support 1, spiral chute 2, moisturizing device 3, fixation clamp 4, inlet tube 5, cavity arc structure gondola water faucet 6, fixed ear 7 and delivery port 8.
Detailed Description
For better understanding of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1 and 2, a water replenishing structure for a zircon middling separation spiral chute is formed by a plurality of water replenishing devices which are movably arranged at the outer edge of the spiral chute at intervals, and the distance between the water replenishing devices on the spiral chute is 1/4-1 circle by the horizontal plane projection of the spiral chute; each water supplementing device comprises a water inlet pipe 5, a shower head 6 with a cavity arc-shaped structure, a fixing lug 7 and a water outlet 8; the cavity arc-shaped structure shower head 6 is of a cavity structure, one surface of the cavity structure is arc-shaped, and the radian of the cavity structure is consistent with that of the outer edge of the spiral chute; fixing lugs 7 are arranged at two ends of the arc-shaped surface along the arc length direction of the outer edge of the spiral chute, the opposite surface of the arc-shaped surface of the cavity structure is preferably the arc-shaped surface, a top surface and a bottom surface are arranged between the arc-shaped surface and the opposite surface along the arc length direction of the outer edge of the spiral chute, the top surface is connected with a water inlet pipe 5, a plurality of water outlets 8 are uniformly arranged on the bottom surface, the diameter of each water outlet 8 is 0.5-1 mm, the distance between the water outlets is 4-6 mm, and the water outlets 8 face downwards to the inner side of the chute body 2, so that water can be discharged to flush sand ore at the lower edge; the distance between the water supplementing devices and the spiral chute is 1/4-1 circle by the horizontal plane projection meter of the spiral chute, and the distance between the water supplementing devices and the spiral chute is 1/4-1 circle by the horizontal plane projection meter of the spiral chute and the horizontal projection center point of the water supplementing devices. As shown in fig. 3, if the distance between the water replenishing devices and the spiral chute is 1 circle, the positions of the shower heads 6 with the plurality of cavity arc structures on the spiral chute are on the same vertical line according to the projection of the vertical direction.
The cavity arc structure shower head 6 is preferably made of rubber, plastic or metal. The metal is preferably stainless steel or an aluminum alloy.
Preferably, the arc length of the arc surface of each cavity arc structure shower head 6 is 20-30 cm, and the width is 10-15 cm.
The 6 both sides of cavity arc structure gondola water faucet have fixed ear 7, and fixed ear 7 passes through fixation clamp 4 to be fixed at chute inclined plane edge. The preferred general purpose clamp with the carpenter of fixation clamp 4, A word clamp, G word clamp, C word clamp, the preferred dampproofing material of making of fixation clamp 4, fixation clamp 4 and fixed ear 7 make things convenient for cavity arc structure gondola water faucet 6 to fix on spiral chute 2.
The spiral chute 2 is preferably made of steel, engineering plastics or glass fiber reinforced plastics, and is further preferably made of glass fiber reinforced plastics, and the glass fiber reinforced plastics are high in strength, low in price and easy to process.
Examples
The sorting of zircon middlings from australia is taken as an example.
The main mineral components of Australian zircon middling are zircon sand, rutile, ilmenite, brookite, kyanite, quartz and the like, and the main chemical components comprise: zrO (ZrO) 2 40％，TiO 2 5％，SiO 2 35％，Al 2 O 3 15% and the other 5% with particle size concentrated in 120-200 mesh.
As shown in figure 1, figure 2 and figure 3, adopt the utility model relates to a moisturizing structure for zircon middlings is selected separately spiral chute solves the problem that traditional chute inclined plane edge ore sand was detained when selecting separately zircon middlings, and the moisturizing structure comprises at the spiral chute outward flange a plurality of moisturizing device interval activities settings to the horizontal plane projection meter of spiral chute, the interval of moisturizing device on the spiral chute is 1 circle, according to the projection of vertical direction, the position of a plurality of cavity arc structure gondola water faucet 6 on the spiral chute is on same vertical line. Each water supplementing device comprises a water inlet pipe 5, a shower head 6 with a cavity arc-shaped structure, a fixing lug 7 and a water outlet 8; the cavity arc-shaped structure shower head 6 is of a cavity structure, one surface of the cavity structure is arc-shaped, and the radian of the cavity structure is consistent with that of the outer edge of the spiral chute; fixing lugs 7 are arranged at two ends of the arc-shaped surface along the arc length direction of the outer edge of the spiral chute, the opposite surface of the arc-shaped surface of the cavity structure is the arc-shaped surface, a top surface and a bottom surface are arranged between the arc-shaped surface and the opposite surface along the arc length direction of the outer edge of the spiral chute, the top surface is connected with a water inlet pipe 5, a plurality of water outlets 8 are uniformly arranged on the bottom surface, the arc length of the shower head 6 with the cavity arc-shaped structure is 25 cm, and the width is 15 cm; 6 intervals of the cavity arc-shaped structure shower head are 5 mm. The water outlet 8 of the shower head 6 with the cavity arc-shaped structure faces downwards to the inner side of the spiral chute 2, so that water can be conveniently discharged to flush the sand ore at the lower edge. The arc-shaped shower head is used for regulating the water quantity through an external water faucet, the water pressure is controlled to be 0.04-0.08 MPa, the water pressure is the water pressure of conventional residential water, and the mineral separation water is uniformly added to the edge of the inclined plane of the spiral chute through water outlet holes in the arc-shaped shower head so as to flush sand particles retained at the edge of the inclined plane of the spiral chute.
The spiral chute 2 is made of glass fiber reinforced plastic. The spiral diameter of the spiral chute is 1.2m, the radial wheelbase is 10 degrees, the ore pulp concentration is 20wt%, and the feeding is 2.5 tons per hour. The method is characterized in that 10 tons of water are used per hour, the total amount of 60 tons of minerals are processed in 24 hours in one day, and the mineral ore content and the zirconium content of collected first, second and third buckets are shown in the following table 1 after water is not supplemented and supplemented. The first hopper, the second hopper and the third hopper are sequentially arranged from inside to outside from the tail end outlet of the spiral chute, the first hopper is positioned at the innermost end of the tail end outlet of the spiral chute and is 1/4 of the end surface from inside to outside, the second hopper is positioned at the 1/4 of the end surface of the tail end outlet of the spiral chute and is 1/2 of the end surface from inside to outside, and the third hopper is positioned at the 1/2 of the end surface of the tail end outlet of the spiral chute and is arranged from inside to outside to the outermost end.
TABLE 1
Under the condition of not supplementing water, the zirconium content of the mineral collected in one bucket is about 45%, the titanium content is 20%, after supplementing water, the zirconium content of the mineral collected in one bucket is increased to about 50%, and the titanium content is reduced to 15%. After water is supplemented to the spiral chute, the ore grade of a bucket of concentrate is increased by 50wt% when the content of zirconium oxide is 45wt%, the content of titanium is reduced to 15wt% from 20wt%, the selectivity and the recovery rate of a subsequent electromagnetic separation process are improved, and the purpose of the electromagnetic separation is mainly to separate zirconium-containing minerals from titanium-containing minerals. Meanwhile, the zirconium content of the tailing part of the three buckets is reduced to 2% from the original 7%, the tailing discharging operation can be directly carried out, the zirconium content of the mineral of the original three buckets is high, the whole zirconium mineral recovery rate is reduced due to direct tailing discharging, the mineral is repeatedly selected in other procedures, and the method is labor-consuming, time-consuming and irreparable.
1) The utility model discloses set up a plurality of moisturizing devices at spiral chute outward flange interval activity, solved prior art and utilized the spiral chute to select separately the marginal problem of remaining when mineral, moreover with the horizontal plane projection meter of spiral chute, the interval of moisturizing device on the spiral chute both can guarantee not remain for 1/4-1 circle, can also show simultaneously and save the cost increase problem that brings according to the moisturizing device, is particularly suitable for zircon middlings spiral chute and selects separately.
2) Each water replenishing device of the utility model comprises a water inlet pipe, a shower head with a cavity arc structure, a fixing lug and a water outlet; the cavity arc structure gondola water faucet is the cavity structure, and the one side of cavity structure is the arc, and the radian is unanimous with the outside border radian of spiral chute, has guaranteed the steadiness of cavity arc structure gondola water faucet at the installation of spiral chute.
3) The utility model discloses be top surface and bottom surface between arc length direction arcwall face and the opposite face along spiral chute outer border, top surface and advance water piping connection, the bottom surface evenly is equipped with a plurality of delivery ports, the diameter of delivery port is 0.5-1 millimeter, interval 4-6 millimeters, the delivery port is facing to the inboard of cell body down, be convenient for go out water and wash the placer of lower limb, this design guarantees out the direct effect of rinsing towards marginal zircon middlings of water, still fully considered the effect of rinsing towards marginal zircon middlings under the spiral chute rotation effect drives, showing and promoting ore dressing efficiency.
4) Adopt the utility model discloses a scheme has improved the concentrate grade of a fill for the scheme of not moisturizing, reduces impurity content wherein, and the chute afterbody is equipped with the guiding gutter, divide into the ore pulp on the chute into the three from inside to outside, inserts different hoppers respectively, calls into one fill in being used to, and two fill, three are fought. The distribution of the slurry over the cross-section of the chute is disturbed by a number of factors including the type of mineral, density and particle size, slurry ratio, smoothness and cross-sectional slope etc. After the chute is manufactured and installed, the smoothness and the section gradient of the chute are basically fixed. When the chute is used for separating zircon sand, after the chute outside is detained partial ore sand, be equivalent to chute surface smoothness and cross-section slope and change, lead to the fluid property of ore pulp stream to take place the slight change, the ore sand distribution that carries also changes thereupon. As the fresh slurry flows to the surface containing the retained portion of the sand, the micro-turbulence increases and more entrainment occurs, which is manifested as the collected tailings portion containing more concentrate particles.
5) The utility model discloses the flexibility of moisturizing device installation on the spiral chute has been guaranteed in the design of fixed ear, comparatively conveniently according to dazzling adjustment moisturizing device mounted position on the spiral chute.
Claims (10)
1. A water replenishing structure for a zircon middling separation spiral chute is characterized by comprising a plurality of water replenishing structures which are movably arranged at the outer edge of the spiral chute at intervals, wherein the distance between the water replenishing structures on the spiral chute is 1/4-1 circle by the horizontal plane projection of the spiral chute; each water supplementing structure comprises a water inlet pipe, a cavity arc-shaped structure shower head, a fixing lug and a water outlet; the shower head with the cavity arc structure is of a cavity structure, one surface of the cavity structure is an arc surface, and the radian of the arc surface is consistent with that of the outer edge of the spiral chute; the arc-shaped surface is provided with fixing lugs at two ends along the arc length direction of the outer edge of the spiral chute, a top surface and a bottom surface are arranged between the arc-shaped surface and the opposite surface along the arc length direction of the outer edge of the spiral chute, the top surface is connected with a water inlet pipe, the bottom surface is uniformly provided with a plurality of water outlets, the diameter of each water outlet is 0.5-1 mm, the distance is 4-6 mm, and the water outlets face the inner side of the chute body downwards.
2. The spiral chute for zircon middling separation of claim 1, wherein said arc-shaped hollow flower is made of rubber, plastic or metal.
3. The spiral chute for zircon middling separation of claim 2, wherein said metal is stainless steel or aluminum alloy.
4. The spiral chute for zircon middling separation of claim 1, wherein each of said shower heads having an arc-shaped configuration has an arc length of 20-30 cm and a width of 10-15 cm.
5. The spiral chute for zircon middling separation according to claim 1, wherein the opposite side of the arc-shaped surface of the cavity structure is an arc-shaped surface.
6. The spiral chute for zircon middling separation according to claim 1, wherein said fixing lug is fixed to the edge of the chute slope by a fixing clip.
7. The spiral chute for zircon middling separation of claim 6, wherein said retaining clip is made of a moisture-proof material.
8. The spiral chute for zircon middling separation of claim 7, wherein the moisture-proof material is stainless steel, aluminum alloy or copper alloy.
9. The spiral chute for zircon middling separation of claim 6, wherein the fixing clamp is a universal clamp, an A-shaped clamp, a G-shaped clamp or a C-shaped clamp.
10. The spiral chute for zircon middling separation of claim 1, wherein said spiral chute is made of steel or glass fiber reinforced plastic.
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