CN112122018A

CN112122018A - Ore pulp ore dressing pretreatment extraction element

Info

Publication number: CN112122018A
Application number: CN202010757582.3A
Authority: CN
Inventors: 赵鲁国; 姜好军; 豆娜
Original assignee: Liaoning Zhaojin Baiyun Gold Mining Industry Co ltd
Current assignee: Liaoning Zhaojin Baiyun Gold Mining Industry Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2020-12-25

Abstract

The invention discloses an ore pulp ore dressing pretreatment extraction device, which comprises an outer shell, a cleaning device and a drying device, wherein a centrifugal rotary drum is arranged in the other side of the outer shell, a concentrate outlet is formed in the side surface of the bottom end of the centrifugal rotary drum, a conveying pipe is detachably connected between the concentrate outlet and a first feed inlet in the top of the cleaning device, a spraying device is arranged in the cleaning device, a material guide opening is formed in the bottom of one side, away from the first feed inlet, of the cleaning device, a material guide pipe is connected between the material guide opening and a second feed inlet in the top of the drying device, a precious metal adsorption device is arranged at the bottom in the drying device, and a discharge opening is formed in the bottom. The invention adopts a centrifugal-cleaning-drying-magnetic separation combined production structure, thereby overcoming the defect that each process needs to be separately transported in the prior art, realizing automatic continuous production, greatly improving the production efficiency, reducing the operation cost and improving the quality of mineral separation finished products.

Description

Ore pulp ore dressing pretreatment extraction element

Technical Field

The invention relates to the technical field of mining industry correlation, in particular to an ore pulp mineral separation pretreatment extraction device.

Background

In the industries of metallurgy, mineral separation, cement, power generation and the like, a centrifugal concentrator is common equipment for centrifugally separating ore pulp, has the characteristics of easy maintenance and high enrichment ratio, the ore pulp is centrifugally layered under the centrifugal force of a centrifugal drum, concentrate with heavier mass is thrown to the side wall of the centrifugal drum and is mainly concentrated in the centrifugal drum, tailings with lighter mass are thrown out through the top of the centrifugal drum and are finally discharged, the concentrate is discharged through the bottom of the centrifugal drum, and impurities such as dust and the like are easily adhered to the surface of the concentrate selected in the conventional concentrator, so that the impurity content in the concentrate is higher, and the smelting quality of subsequent concentrate is influenced.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the invention aims to provide an ore pulp ore dressing pretreatment extraction device, which adopts a centrifugal-cleaning-drying-magnetic separation combined production structure to overcome the defect that each process needs to be separately transported in the prior art, can realize automatic continuous production, greatly improves the production efficiency, reduces the operation cost and improves the quality of ore dressing finished products.

The ore pulp beneficiation pretreatment extraction device comprises an outer shell, a cleaning device and a drying device, wherein a water tank is arranged in one side of the outer shell, a water inlet pipe is mounted on the water tank, a centrifugal rotary drum is arranged in the other side of the outer shell, an ore feeding pipe is vertically mounted at the top of the outer shell, the bottom of the ore feeding pipe extends into an inner cavity of the centrifugal rotary drum, a hollow rotary shaft is vertically mounted at the center of the bottom end of the centrifugal rotary drum, a rotary joint is connected to the bottom end of the rotary shaft, the rotary shaft is connected with a first motor through a transmission mechanism, a concentrate outlet is formed in the side face of the bottom end of the centrifugal rotary drum, a conveying pipe is detachably connected between the concentrate outlet and a first feed inlet in the top of the cleaning device, a spraying device is mounted in the cleaning device and connected with the water tank, a material, a material guide pipe is connected between the material guide port and a second material inlet at the top of the drying device, a precious metal adsorption device is installed at the bottom in the drying device, and a material outlet is formed in the bottom of one side, away from the second material inlet, of the drying device.

Preferably, belt cleaning device includes first barrel, the top is provided with a plurality of shower heads in the first barrel, the shower is connected to the end of intaking of shower head, the flange mounting has hydraulic control valve on the shower, the water tank is connected to the end of intaking of shower, transversely be provided with first rotation axis in the first barrel, the barrel is run through to the equal axial in first rotation axis both ends, first rotation axis one end is connected with second motor drive, is located first rotation axis surface in the first barrel is equipped with helical blade.

Preferably, a first feeding hole is formed in the top of the first cylinder and located on one side of the front end in the conveying direction, and a material guiding hole is formed in the bottom of the first cylinder and located on one side of the tail end in the conveying direction.

Preferably, a water outlet is formed in the bottom of the first cylinder body and is positioned beside the material guide opening.

Preferably, drying device includes the second barrel, the top is provided with heating device in the second barrel, horizontal demountable installation of bottom has noble metal adsorption equipment in the second barrel, transversely be provided with the second rotation axis in the second barrel, the barrel is run through to the equal axial in second rotation axis both ends, second rotation axis one end is connected with third motor drive, is located second rotation axis surface in the second barrel is equipped with helical blade.

Preferably, the heating device comprises a plurality of heating lamps arranged at the top of the inner wall of the second cylinder, and the plurality of heating lamps are transversely and uniformly distributed in the horizontal direction.

Preferably, noble metal adsorption equipment includes the mounting panel, the collecting vat is installed to the inboard that the mounting panel is close to second barrel inner chamber, the collecting vat top is provided with the magnetism stick, magnetism stick one end transversely run through the mounting panel and with rotating rod fixed connection, magnetism stick side is provided with scrapes the flitch, it is inboard at the mounting panel to scrape flitch one end fixed mounting.

Preferably, the second cylinder is connected with an exhaust pipe at the top end in the conveying direction.

Preferably, a second feeding hole is formed in the top of the second cylinder body and located on one side of the front end in the conveying direction, and a discharging hole is formed in the bottom of the second cylinder body and located on one side of the tail end in the conveying direction.

Compared with the prior art, the invention has the beneficial effects that:

(1) the high-pressure spray header in the first cylinder is used for cleaning the surface of the concentrate in an all-around manner, so that the surface of the concentrate is free from other impurities, and the quality of concentrate discharging is improved;

(2) the heating device in the second cylinder is used for heating and drying the surface of the concentrate in an all-around manner, and meanwhile, the precious metal adsorption device is arranged in the drying device, so that residual precious metals or metal ores in the dried concentrate can be removed, the content of the obtained concentrate is higher, the collected metals can be separated, the precious metals are obtained, the economic benefit brought by mineral separation is ensured, and the production cost is reduced;

(3) the centrifugal-cleaning-drying-magnetic separation combined production structure is adopted, so that the defect that each process needs to be separately transported in the prior art is overcome, automatic continuous production can be realized, the production efficiency is greatly improved, the running cost is reduced, and the quality of mineral separation finished products is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of an ore pulp beneficiation pretreatment extraction device provided by the invention;

FIG. 2 is a schematic view of the cleaning apparatus of FIG. 1 according to the present invention;

FIG. 3 is a schematic structural diagram of the drying apparatus shown in FIG. 1 according to the present invention;

fig. 4 is a schematic structural diagram of the precious metal adsorption device in fig. 3 according to the present invention.

In the figure: 1-outer shell, 2-cleaning device, 21-first cylinder, 22-first feeding hole, 23-spray head, 24-spray pipe, 25-hydraulic control valve, 26-second motor, 27-first rotating shaft, 28-water outlet, 29-material guide hole, 3-drying device, 31-second cylinder, 32-second feeding hole, 33-heating device, 34-exhaust pipe, 35-third motor, 36-discharge hole, 37-precious metal adsorption device, 371-magnetic rod, 372-rotating rod, 373-mounting plate, 374-collecting tank, 375-scraping plate, 38-second rotating shaft, 4-centrifugal rotary drum, 5-rotating shaft, 6-first motor, 7-concentrate outlet, concentrate collecting device, and the like, 8-water tank, 9-rotary joint, 10-ore feeding pipe and 11-water inlet pipe.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1, an ore pulp dressing pretreatment extraction device comprises an outer shell 1, a cleaning device 2 and a drying device 3, wherein a water tank 8 is arranged in one side of the outer shell 1, a water inlet pipe 11 is arranged on the water tank 8, a centrifugal rotary drum 4 is arranged in the other side of the outer shell 1, an ore feeding pipe 10 is vertically arranged on the top of the outer shell 1, the bottom of the ore feeding pipe 10 extends into the inner cavity of the centrifugal rotary drum 4, a hollow rotary shaft 5 is vertically arranged at the center of the bottom end of the centrifugal rotary drum 4, a rotary joint 9 is connected to the bottom end of the rotary shaft 5, the rotary shaft 5 is connected with a first motor 6 through a transmission mechanism, an ore concentrate outlet 7 is arranged on the side surface of the bottom end of the centrifugal rotary drum 4, a conveying pipe is detachably connected between the ore concentrate outlet 7 and a first feed inlet 22 on the top of the cleaning device 2, a material guide pipe is connected between the material guide port 29 and the second material inlet 32 at the top of the drying device 3, a precious metal adsorption device 37 is installed at the bottom in the drying device 3, and a material outlet 36 is formed at the bottom of one side of the drying device 3, which is far away from the second material inlet 32.

Referring to fig. 2, the cleaning device 2 includes a first cylinder 21, a plurality of spray headers 23 are arranged at the top inside the first cylinder 21, water inlet ends of the spray headers 23 are connected with spray pipes 24, a hydraulic control valve 25 is flange-mounted on the spray pipes 24, the hydraulic control valve 25 is used for controlling the pressure, flow and direction of water in the high-pressure water pipes, the water inlet ends of the spray pipes 24 are connected with a water tank 8, the plurality of spray headers 23 are transversely and uniformly distributed in the horizontal direction, the number of the spray headers 23 is matched with the concentrate cleaning capacity according to the size of the first cylinder 21, so that the concentrate can be uniformly cleaned in the first cylinder 21 and the cleaning speed is high, a first rotating shaft 27 is transversely arranged inside the first cylinder 21, both ends of the first rotating shaft 27 axially penetrate through the cylinders, one end of the first rotating shaft 27 is in transmission connection with a second motor 26, and a helical blade is arranged on the outer surface of the first rotating shaft 27 inside the first cylinder 21, start second motor 26 and make first rotation axis 27 rotate, helical blade follows rotatoryly, thereby the realization is flipped the washing to the concentrate in the first barrel 21, utilize helical blade's thrust can be smooth and easy carry the discharge from guide opening 29 with the concentrate, first barrel 21 top is located being equipped with first feed inlet 22 of direction of delivery front end one side, first barrel 21 bottom is located being equipped with guide opening 29 of direction of delivery tail end one side, first barrel 21 bottom is located the other opening of guide opening 29 and is equipped with delivery port 28, scribble waterproof material on the first barrel 21 inner wall, delivery port 28 can be discharged the produced water of washing the concentrate, waterproof material can avoid water adhesion on first barrel 21 inner wall, prevent that first barrel 21 from rustting, thereby improve equipment's life.

Referring to fig. 3, the drying device 3 includes a second cylinder 31, a heating device 33 is disposed at the top inside the second cylinder 31, a precious metal adsorption device 37 is transversely detachably mounted at the bottom inside the second cylinder 31, a second rotating shaft 38 is transversely disposed inside the second cylinder 31, both ends of the second rotating shaft 38 axially penetrate through the cylinders, one end of the second rotating shaft 38 is in transmission connection with a third motor 35, a helical blade is disposed on the outer surface of the second rotating shaft 38 inside the second cylinder 31, the third motor 35 is started to rotate the second rotating shaft 38, the helical blade rotates along with the second rotating shaft, so as to realize turning and drying of the concentrate inside the second cylinder 31, and at the same time, the concentrate can be smoothly conveyed and discharged from a discharge hole 36 by using the thrust of the helical blade, the heating device 33 includes a plurality of heating lamps disposed at the top of the inner wall of the second cylinder 31, the heating lamps are carbon fiber and fast medium, the carbon fiber quartz electric heating tube has a service life of more than 10000 hours, has no oxidation and breakdown phenomena of the heating element in frequent starting, closing and long-term continuous work, has uniform heating light color and clean inner and outer tube walls, and completely generates an electromagnetic field unlike a metal heating element. The heating lamp adopts the high-purity dehydroxylation quartz glass tube, has small thermal expansion coefficient and higher thermal stability, can bear severe temperature change without cracking, and the quartz glass is a good acid-resistant material which is 30 times that of acid-resistant ceramic and 150 times that of stainless steel. In the invention, a plurality of heating lamps are transversely and uniformly distributed in the horizontal direction, the number of the heating lamps is matched according to the size of the second cylinder 31 and the capacity of drying concentrate, thus, the concentrate can be uniformly heated and dried quickly in the second cylinder 31, the top end of the second cylinder 31 in the conveying direction is connected with an exhaust pipe 34, the exhaust pipe 34 is also provided with a fan, the steam generated during the concentrate drying can be sucked and discharged outwards through the exhaust pipe 34 and the fan, which is beneficial to improving the drying efficiency and ensuring the drying quality, meanwhile, the water vapor can be prevented from being adhered to the inner wall of the second cylinder 31, the second cylinder 31 is prevented from rusting, thereby improve equipment's life, the second barrel 31 top is located the direction of transport front end one side and is equipped with second feed inlet 32, and the second barrel 31 bottom is located the direction of transport tail end one side and is equipped with discharge gate 36.

Referring to fig. 4, the precious metal adsorbing device 37 includes a mounting plate 373, a collecting tank 374 mounted on the mounting plate 373 near the inner side of the inner cavity of the second cylinder 31, a magnetic rod 371 disposed above the collecting tank 374, one end of the magnetic rod 371 transversely penetrates through the mounting plate 373 and is fixedly connected with the rotating rod 372, the rotating rod 372 is rotatable, the concentrate in the second cylinder 31 is subjected to magnetic separation to adsorb the precious metals containing magnetism, so that the content of the concentrate is higher, meanwhile, precious metals can be collected, the economic benefit brought by mineral separation is ensured, the production cost is reduced, the side surface of the magnetic rod 371 is provided with a scraping plate 375, the rotating rod 372 is rotated to ensure that the scraping plate 375 scrapes the precious metals on the magnetic rod 371, therefore, precious metal can enter the collecting groove 374, the collecting groove 374 is arranged on the side surface of the mounting plate 373 in a buckling mode, thus, the scraper plate 375 is convenient to take out, and one end of the scraper plate 375 is fixedly arranged on the inner side of the mounting plate 373.

It can be understood that the first motor 6, the second motor 26, the third motor 35, the heating device 33 and the hydraulic control valve 25 in the present invention can be driven by external power lines, and the first motor 6, the second motor 26, the third motor 35, the heating device 33 and the hydraulic control valve 25 can be powered by directly connecting the external power lines with plugs and sockets. Further, the models of the first motor 6, the second motor 26, the third motor 35, the heating device 33, and the hydraulic control valve 25 are not limited to a single type, and may be of a type that is currently available on the market and is suitable for the present invention.

The working principle is as follows:

when the device is used, ore pulp enters the centrifugal rotary drum 4 through the ore feeding pipe 10, water is introduced into one side of the rotary joint 9, the water enters the rotary shaft 5 and then backflushs through small holes in the inner wall of the centrifugal rotary drum 4, the first motor 6 drives the centrifugal rotary drum 4 to rotate through the rotary shaft 5, concentrate is thrown to the inner wall of the centrifugal rotary drum 4 under the action of centrifugal force, the treated concentrate is led out from the concentrate outlet 7 and then is led into the first cylinder 21 from the first feed inlet 22, the hydraulic control valve 25 is started to supply high-pressure water to the spray pipe 24 through the water tank 8, meanwhile, the plurality of spray heads 23 spray and clean the concentrate in the first cylinder 21, the second motor 26 is started to enable the first rotary shaft 27 to rotate, the spiral blades rotate along with the thrust of the spiral blades to smoothly convey the concentrate into the second cylinder 31 from the guide opening 29, the heating device 33 is started to set the temperature to dry the concentrate in the second cylinder 31, start third motor 35 simultaneously and make second rotation axis 38 rotate, thereby helical blade follows the rotation and realizes turning the stoving to the concentrate in the second barrel 31, and the concentrate after the stoving is followed helical blade's rotation and is discharged to the collection box from discharge gate 36 in, and magnetic rod 371 adsorbs the concentrate after the drying simultaneously, absorbs the precious metal on concentrate surface, has improved the precision of concentrate.

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides an ore pulp ore dressing preliminary treatment extraction element which characterized in that: the device comprises an outer shell, a cleaning device and a drying device, wherein a water tank is arranged in one side of the outer shell, a water inlet pipe is installed on the water tank, a centrifugal rotary drum is arranged in the other side of the outer shell, a mineral feeding pipe is vertically installed at the top of the outer shell, the bottom of the mineral feeding pipe extends into an inner cavity of the centrifugal rotary drum, a hollow rotary shaft is vertically installed in the center of the bottom end of the centrifugal rotary drum, the bottom end of the rotary shaft is connected with a rotary joint, the rotary shaft is connected with a first motor through a transmission mechanism, a concentrate outlet is formed in the side surface of the bottom end of the centrifugal rotary drum, a conveying pipe is detachably connected between the concentrate outlet and a first feed inlet in the top of the cleaning device, a spraying device is installed in the cleaning device and is connected with the water tank, a material guide opening is formed in, the bottom installs noble metal adsorption equipment in the drying device, the discharge gate has been seted up to the bottom that drying device kept away from second feed inlet one side.

2. The ore pulp beneficiation pretreatment extraction device according to claim 1, characterized in that: the cleaning device comprises a first barrel, a plurality of spray headers are arranged at the top in the first barrel, a spray pipe is connected to the water inlet end of each spray header, a hydraulic control valve is mounted on the spray pipe through a flange, the water tank is connected to the water inlet end of each spray pipe, a first rotating shaft is transversely arranged in the first barrel, the barrels are axially penetrated by the two ends of the first rotating shaft, one end of the first rotating shaft is connected with a second motor in a transmission mode, and the first rotating shaft is located on the outer surface of the first rotating shaft in the first barrel and provided with helical blades.

3. The ore pulp beneficiation pretreatment extraction device according to claim 2, characterized in that: the first cylinder top is located and is equipped with first feed inlet of direction front end one side, first cylinder bottom is located and is equipped with the guide mouth of being equipped with of direction tail end one side.

4. The ore pulp beneficiation pretreatment extraction device according to claim 3, characterized in that: and a water outlet is formed in the bottom of the first cylinder and is positioned beside the material guide opening.

5. The ore pulp beneficiation pretreatment extraction device according to claim 1, characterized in that: drying device includes the second barrel, the top is provided with heating device in the second barrel, horizontal demountable installation of bottom has noble metal adsorption equipment in the second barrel, transversely be provided with the second rotation axis in the second barrel, the equal axial in second rotation axis both ends runs through the barrel, second rotation axis one end is connected with third motor drive, is located second rotation axis surface in the second barrel is equipped with helical blade.

6. The ore pulp beneficiation pretreatment extraction device according to claim 5, characterized in that: heating device is including setting up in a plurality of heat lamps at second barrel inner wall top, and is a plurality of the heat lamp is horizontal evenly distributed on the horizontal direction.

7. The ore pulp beneficiation pretreatment extraction device according to claim 5, characterized in that: the precious metal adsorption device comprises a mounting plate, a collecting tank is installed on the inner side, close to the inner cavity of the second barrel, of the mounting plate, a magnetic rod is arranged above the collecting tank, one end of the magnetic rod transversely penetrates through the mounting plate and is fixedly connected with a rotating rod, a scraping plate is arranged on the side face of the magnetic rod, and one end of the scraping plate is fixedly installed on the inner side of the mounting plate.

8. The ore pulp beneficiation pretreatment extraction device according to claim 5, characterized in that: and the top end of the second cylinder body in the conveying direction is connected with an exhaust pipe.

9. The ore pulp beneficiation pretreatment extraction device according to claim 5, characterized in that: the top of the second cylinder body is provided with a second feeding hole at one side of the front end of the conveying direction, and the bottom of the second cylinder body is provided with a discharging hole at one side of the tail end of the conveying direction.