阅读说明：本技术 一种环保高效物理选矿机及双重选矿方法 (Environment-friendly efficient physical concentrator and dual-concentration method ) 是由 吴世瑞 林国桥 于 2021-09-14 设计创作，主要内容包括：本发明公开一种环保高效物理选矿机及双重选矿方法,主要包括由振动筛、综合收料密封罩和数控除尘器组成。综合收料密封罩将整台振动筛及其排料溜槽的大部分包裹起来,其内由上至下,分别设置抽风管、吹风管、隔板、导板、粗矿石溜槽、粗矿砂溜槽、细矿砂收料斗、粗矿粉收料斗。工作时,先由振动筛进行筛分,上层筛网筛选出粗矿石、下层筛网筛选出粗矿砂；细矿砂粉则透过下层筛网,掉在其下的导板,由导板导向振动筛的尾部,再向综合收料密封罩的下部漂下,在抽风气流的作用下,颗粒大降落快,所以,细砂粉随气流进入数控除尘器,并由其下的收料斗收集；颗粒稍大的矿粉,分别漂落在综合收料密封罩下部的细矿砂收料斗、粗矿粉收料斗内。(The invention discloses an environment-friendly high-efficiency physical concentrator and a double-concentration method. The comprehensive material receiving sealing cover wraps the whole vibrating screen and most of the material discharging chute of the vibrating screen, and an exhaust pipe, an air blowing pipe, a partition plate, a guide plate, a coarse ore chute, a coarse ore sand chute, a fine ore receiving hopper and a coarse ore powder receiving hopper are respectively arranged in the comprehensive material receiving sealing cover from top to bottom. When the device works, the device is firstly screened by a vibrating screen, coarse ores are screened out by an upper-layer screen mesh, and coarse ore sand is screened out by a lower-layer screen mesh; fine ore sand powder penetrates through the lower-layer screen mesh, falls off the guide plate below the lower-layer screen mesh, is guided to the tail part of the vibrating screen by the guide plate, then floats to the lower part of the comprehensive material receiving sealing cover, and is subjected to large particle falling speed under the action of air draft airflow, so that the fine sand powder enters the numerical control dust remover along with the airflow and is collected by the material receiving hopper below the numerical control dust remover; and the mineral powder with slightly larger particles floats in the fine ore sand receiving hopper and the coarse ore powder receiving hopper at the lower part of the comprehensive receiving sealing cover respectively.)

1. The utility model provides a high-efficient physics concentrator of environmental protection, its characterized in that, including shale shaker (2) through mount (1) overhead and slant setting, the outside parcel of this shale shaker (2) has the dust separation that can raise shale shaker (2) during operation to get up and synthesizes and receive material sealed cowling (3), should synthesize and receive material sealed cowling (3) inside cavity and have and hold workspace (20) of shale shaker (2) and communicate in this workspace (20) below can will pass through the material discharge of after shale shaker (2) screening arranges material district (200), it is equipped with to synthesize and receives material sealed cowling (3) top and be equipped with can do feed inlet (100) of shale shaker (2) feeding is equipped with in one side of this feed inlet (100) and to synthesize and receive dust-laden air exhaust in sealed cowling (3) and take out powder tube (12) comprehensive receipts material sealed cowling (3) and be connected with on one side and can carry out after taking out the dust-laden air that the material sealed cowling (3) will synthesize through taking out powder tube (12) The air-out end of the filtering dust removing device (11) is provided with a blowing pipe (7) which can blow filtered air into the vibrating screen (2).

2. An environment-friendly efficient physical concentrator according to claim 1, wherein the comprehensive material receiving sealing cover (3) is provided with a coarse ore chute (4) capable of discharging coarse ores screened out by the vibrating screen (2) corresponding to the lowest end of the vibrating screen (2), and the bottom of the material discharging area (200) is sequentially provided with a coarse ore powder discharging port (9) capable of discharging dust in the comprehensive material receiving sealing cover (3) and a fine sand discharging port (8) capable of discharging fine sand screened out by the vibrating screen (2) respectively.

3. An environment-friendly high-efficiency physical concentrator according to claim 2, wherein the vibrating screen (2) comprises a roughing screen plate (21) and a fine screening screen plate (22) which are arranged from top to bottom, a coarse ore sand chute (5) is arranged on the comprehensive material receiving sealing cover (3) below the tail end of the fine screening screen plate (22), and the tail part of the roughing screen plate (21) corresponds to the coarse ore chute (4).

4. The environment-friendly efficient physical concentrator according to claim 2, wherein a guide plate (10) capable of guiding the fine sand screened by the vibrating screen (2) to the fine sand discharge port (8) is obliquely arranged below the vibrating screen (2) in the working area (20), a partition plate (101) is connected to the top of the guide plate (10), the guide plate (10) and the partition plate (101) separate the left side of the working area (20) into a powder removing channel (201) capable of being communicated with the powder extracting pipe (12), and the coarse ore powder discharge port (9) is located below the powder removing channel (201).

5. The environment-friendly efficient physical concentrator according to claim 1, wherein the dust removing device (11) comprises a high-pressure numerical control dust remover (40), an air inlet end of the high-pressure numerical control dust remover (40) is communicated with an air outlet end of the powder pumping pipe (12), the air outlet end of the high-pressure numerical control dust remover (40) is connected with an air extracting device (300), and the air outlet end of the air extracting device (300) is connected with the blowing pipe (7).

6. An environment friendly and efficient physical concentrator as claimed in claim 5 wherein the rear end of the blowpipe (7) is mounted longitudinally at the top of the vibrating screen (2) along the length thereof, and a plurality of transverse air outlet pipes (24) are sequentially provided along the outer wall of the blowpipe (7) at intervals, and air outlets capable of blowing sand in the vibrating screen (2) are sequentially provided at intervals on each of the transverse air outlet pipes (24).

7. The environment-friendly efficient physical concentrator according to claim 5 or 6, wherein the air draft device (300) is a fan (6) with a circulating air volume regulator (30) at the top air outlet end, the blowing pipe (7) is communicated with the air outlet end of the circulating air volume regulator (30), and the air outlet end of the high-pressure numerical control dust remover (40) is connected with the air inlet end of the fan (6) through an air draft pipe (13).

8. An environment-friendly high-efficiency physical concentrator according to claim 7, wherein the circulating air volume regulator (30) comprises a regulating end (31) arranged at the top of the fan (6), the top of the regulating end (31) is provided with an air outlet (32) and an air circulation port (33), one side of the outer wall of the regulating end (31) is symmetrically provided with a slot (34) transversely cut into the air outlet (32) and the air circulation port (33), the slot (34) is internally inserted with a plug board (35) capable of blocking the air outlet (32) and the air circulation port (33), and one end of the blowing pipe (7) is connected with the air circulation port (33).

9. A dual beneficiation process suitable for an environmentally friendly and efficient physical concentrator as claimed in any one of claims 1 to 8, comprising the steps of:

s1, placing the crushed ore sand into the feed port (100), and enabling the ore sand placed into the feed port (100) to flow into the vibrating screen (2);

s2, starting the vibrating screen (2) to screen the particles of the inflowing ore sand, and respectively discharging and collecting the ore sand with different particle sizes after screening;

s3, starting a fan (6) connected between the dust removing equipment (11) and the comprehensive material receiving sealing cover (3) for wind power reselection, controlling the fan (6) to suck dust-containing air in the comprehensive material receiving sealing cover (3) into a high-pressure numerical control dust remover (40) on the dust removing equipment (11) through a powder pumping pipe (12) for filtering, guiding the filtered air into a blowing pipe (7) through a circulating air volume regulator (30) at the top of the fan (6), and blowing the filtered air to ore sand in the vibrating screen (2) through air outlet holes of transverse air outlet pipes (24) on the blowing pipe (7);

s4, controlling a fan (6) connected between the dust removing device (11) and the comprehensive material receiving sealing cover (3) to pump air into a powder pumping pipe (12), enabling air current blown to ore sand in the vibrating screen (2) by air outlet holes of all transverse air outlet pipes (24) to penetrate through the vibrating screen (2) to enter a discharging area (200) below the vibrating screen (2), enabling the air current in the discharging area (200) below the vibrating screen (2) to pass through ore powder falling from a guide plate (10) to a fine sand discharging port (8) and to be blown into a powder removing channel (201) on the left side of a working area (20), blowing particles and ore powder with large specific gravity to the left side wall surface of the discharging area (200) in the falling process, then sliding to a coarse ore powder discharging port (9) connected below the discharging area (200) to be discharged and collected, and blowing the particles and the silt powder with small specific gravity into the powder removing channel (201) along with air current, and (4) reentering the high-pressure numerical control dust remover (40) on the dust removing device (11) through the powder extracting pipe (12), and repeating the step S3.

10. A dual beneficiation process according to claim 9, wherein the step S2 includes the steps of:

s21, controlling the ore sand with the particle size exceeding the standard after the particle screening is carried out by the vibrating screen (2) to roll down by the screen surface of the roughing sieve plate (21) on the upper layer of the vibrating screen (2); finally, the coarse ore is discharged and collected through a coarse ore chute (4) on the comprehensive material receiving sealing cover (3);

s22, controlling the ore sand with the particle size meeting the set requirement after the particle screening is carried out by the vibrating screen (2) to roll down from the screen surface of the lower fine screening screen plate (22) of the vibrating screen (2), and discharging and collecting the ore sand by a coarse ore sand chute (5) on the comprehensive material receiving sealing cover (3);

s23, controlling ore powder which is subjected to particle screening by the vibrating screen (2) and is smaller than the set particle size requirement to penetrate through the roughing sieve plate (21) and the fine screening sieve plate (22) of the vibrating screen (2) and then fall on a guide plate (10) which is obliquely arranged below the vibrating screen (2), and leading the ore powder to fall to a fine sand discharge port (8) on the comprehensive material receiving sealing cover (3) through the guide plate (10) to be discharged and collected.

Technical Field

The invention relates to the field of mineral processing equipment, in particular to an environment-friendly efficient physical concentrator and a dual mineral processing method.

Background

Today, with the rapid development of production, on one hand, natural resources are less and less, particularly iron ore, and prices are continuously rising, and on the other hand, people are more and more conscious of environmental protection, which requires that people utilize the existing resources as much as possible and protect the environment. However, most of the existing ore dressing processes for iron ores are water washing, impurities in the ores are washed away by water, powder iron-containing minerals are inevitably washed away, a large amount of sewage is generated, and iron-containing substances which should be recovered become a pollution source of the environment! Not only can cause environmental pollution again, but also can affect the health of workers. In view of the situation, the environment-friendly and efficient physical concentrator is invented.

Disclosure of Invention

The invention aims to provide an environment-friendly high-efficiency physical concentrator and a dual-beneficiation method, which are used for realizing dual high-efficiency beneficiation by particle screening and wind power gravity separation, fully removing waste, not taking away iron-containing minerals and not generating sewage.

In order to achieve the purpose, the invention adopts the following scheme:

an environment-friendly high-efficiency physical concentrator, which comprises a vibrating screen which is elevated by a fixed frame and is obliquely arranged, wherein a comprehensive material receiving sealing cover which can separate dust raised when the vibrating screen works is wrapped outside the vibrating screen, a cavity inside the comprehensive material receiving sealing cover is provided with a working area for accommodating the vibrating screen and a material discharging area which is communicated below the working area and can discharge materials screened by the vibrating screen, the top of the comprehensive material receiving sealing cover is provided with a feed inlet which can feed the vibrating screen, one side of the feed inlet is provided with a powder pumping pipe which can discharge dust-containing air in the comprehensive material receiving sealing cover, one side of the comprehensive material receiving sealing cover is connected with a dust removing device which can pump the dust-containing air in the comprehensive material receiving sealing cover through the powder pumping pipe and then filter the dust-containing air, the air outlet end of the dust removing device is provided with a blowing pipe which can blow the filtered air into the vibrating screen, according to the invention, the vibrating screen for mineral separation is wrapped, dust generated in the mineral separation process of the vibrating screen can be sucked away by wind power, and fine mineral sand screened out is separated from the dust, so that the screening grade of the sand made of stones is changed to be more and finer, the mineral sands with different grades can be used for the process suitable for the advantages of the mineral sands, the situation that the powder iron-containing minerals are inevitably washed away and a large amount of sewage is generated in the traditional mode of washing away impurities in the ores by water is avoided, the iron-containing substances which are required to be recovered can be recovered and reasonably utilized, and the environmental pollution is avoided.

Further, it is corresponding to synthesize and receive the material sealed cowling synthesize receive the material sealed cowling and be equipped with the coarse ore chute that can be with the coarse ore discharge screened through the shale shaker material district bottom is equipped with respectively in proper order and can will synthesize the coarse ore powder discharge gate of receiving the dust discharge in the material sealed cowling and can be with the fine sand discharge gate of the fine sand discharge screened through the shale shaker, and the comprehensive material sealed cowling position that receives at coarse ore powder discharge gate place is equipped with coarse ore powder and receives the hopper, and the coarse ore powder discharge gate sets up in coarse ore powder receiving hopper central authorities, and the comprehensive material sealed cowling position that receives at fine sand discharge gate place is equipped with fine ore sand and receives the hopper, and the fine sand discharge gate sets up in fine ore sand receiving hopper central authorities.

Furthermore, the vibrating screen comprises a roughing screen plate and a fine screening screen plate which are arranged from top to bottom, wherein a rough ore sand chute is arranged on the comprehensive material receiving sealing cover below the tail end of the fine screening screen plate, and the tail part of the roughing screen plate corresponds to the rough ore chute.

Further, be located in the workspace be equipped with in the slope of shale shaker below can with the fine sand water conservancy diversion of screening through the shale shaker extremely guide in the fine sand discharge gate, the baffle top is connected and is had the baffle, baffle and baffle will workspace left side is separated for can with take out the gumming passageway that the powder pipe is linked together, coarse ore powder discharge gate is located gumming passageway below.

Furthermore, the dust removing equipment comprises a high-pressure numerical control dust remover, the air inlet end of the high-pressure numerical control dust remover is communicated with the air outlet end of the powder pumping pipe, the air outlet end of the high-pressure numerical control dust remover is connected with an air draft device, the air outlet end of the air draft device is connected with the air blowing pipe, and the lower part of the numerical control dust remover is provided with a fine mineral powder collecting hopper.

Further, the tail end of blowing pipe is followed shale shaker length direction vertically installs in its top to be equipped with a plurality of horizontal blowing pipes along this blowing pipe outer wall interval in proper order, each all be equipped with the venthole that can blow to the interior ore sand of shale shaker at interval in proper order on the horizontal blowing pipe, the venthole can blow to the ore sand for mineral screening eliminates the jam phenomenon of sifter.

Furthermore, updraft ventilator is top air-out end and is equipped with the fan of circulating air volume regulator, the blowing pipe communicate in circulating air volume regulator's air-out end, high-pressure numerical control dust remover air-out end with be connected through being equipped with the exhaust column between the air inlet end of fan.

Preferably, circulation air volume regulator is including setting up the regulation end at the fan top regulation end top is equipped with air exit and wind circulation mouth regulation end outer wall one side symmetry is equipped with the slot that transversely cuts in air exit and wind circulation mouth the slot interpolation is equipped with the picture peg that can block up air exit and wind circulation mouth, blowing pipe one end is connected with the wind circulation mouth, as long as twitch the picture peg and reduce or increase the picture peg and shelter from the area of air exit and wind circulation mouth, just can adjust, the size of wind pressure.

A dual beneficiation process suitable for an environmentally friendly and efficient physical concentrator as described above, the dual beneficiation process comprising the steps of:

s1, placing the crushed ore sand into a feed inlet, and enabling the ore sand placed into the feed inlet to flow into a vibrating screen;

s2, starting the vibrating screen to screen the inflow ore sand, and respectively discharging and collecting the ore sand with different particle sizes after screening;

s3, starting a fan connected between the dust removing equipment and the comprehensive material receiving sealing cover for wind power reselection, controlling the fan to suck dust-containing air in the comprehensive material receiving sealing cover into a high-pressure numerical control dust remover on the dust removing equipment through a powder suction pipe for filtering, guiding the filtered air into a blowing pipe through a circulating air volume regulator at the top of the fan, and blowing the filtered air to ore sand in the vibrating screen through air outlet holes of transverse blowing pipes on the blowing pipe;

s4, controlling a fan connected between the dust removing equipment and the comprehensive material receiving sealing cover to suck air in the powder sucking pipe, enabling air flow blown to ore sand in the vibrating screen by air outlets of the transverse blowing pipes to penetrate through the vibrating screen to enter a discharging area below the vibrating screen, enabling air flow entering the discharging area below the vibrating screen to penetrate through ore powder flowing to a fine sand discharging port from a guide plate and to be blown into a powder removing channel on the left side of a working area, blowing particles and ore powder with large specific gravity to the left side wall surface of the discharging area in the dropping process, then sliding to a coarse ore powder discharging port connected below the discharging area to be discharged and collected, bleaching the particles and the ore powder with small specific gravity with the air flow in the powder removing channel, then re-entering a high-pressure numerical control dust remover on the dust removing equipment through the powder sucking pipe, and repeating the step S3.

Further, the step S2 includes the following steps:

s21, controlling the ore sand with the particle size exceeding the standard after the particles are screened by the vibrating screen to roll down from the screen surface of the roughing sieve plate on the upper layer of the vibrating screen; finally, discharging and collecting the coarse ore through a coarse ore chute on the comprehensive material receiving sealing cover;

s22, controlling the ore sand with the particle size meeting the set requirement after the particle screening through the vibrating screen to roll down from the screen surface of the lower fine screening screen plate of the vibrating screen, and discharging and collecting the ore sand through a coarse ore sand chute on the comprehensive material receiving sealing cover;

s23, controlling ore powder which is subjected to particle screening by the vibrating screen and is smaller than the set particle size requirement to fall on a guide plate obliquely arranged below the vibrating screen after penetrating through a roughing sieve plate and a fine screening sieve plate of the vibrating screen, and leading the ore powder to fall to a fine sand discharge port on the comprehensive material receiving sealing cover through the guide plate to be discharged and collected.

In conclusion, the environment-friendly high-efficiency physical concentrating machine and the double concentrating method are composed of the vibrating screen, the comprehensive material receiving sealing cover and the numerical control dust remover. The comprehensive material receiving sealing cover wraps the whole vibrating screen and most parts of the discharging chute of the vibrating screen. A powder pumping pipe, a blowing pipe, a partition plate, a guide plate, a coarse ore chute, a coarse ore sand chute, a fine ore sand receiving hopper and a coarse ore powder receiving hopper are respectively arranged inside the comprehensive material receiving sealing cover from top to bottom; the lower part of the numerical control dust remover is provided with a fine mineral powder receiving hopper. When the device works, firstly, crushed ore enters a vibrating screen through a feeding hole for screening, and coarse ore with large particle size rolls down from the upper screen surface of the vibrating screen, is collected by a coarse ore receiving chute and is returned to be crushed again through a belt conveyor; rolling coarse ore sand with small particle size off a lower screen surface of the vibrating screen, collecting the coarse ore sand by a coarse ore sand chute, and conveying the coarse ore sand to a finished product area by a belt conveyor; fine ore powder penetrates through a lower screen of the vibrating screen, falls off a guide plate below the vibrating screen, is guided to the tail of the vibrating screen by the guide plate, then floats to the lower part of the comprehensive material receiving sealing cover, enters the numerical control dust remover along with air flow due to small specific gravity and small inertia under the action of air draft and is collected by a fine ore powder receiving hopper below the numerical control dust remover; the mineral powder with bigger particles and bigger specific gravity is fast to fall due to big particles and big specific gravity, so the mineral powder is floated in the fine ore sand receiving hopper and the coarse ore powder receiving hopper at the lower part of the comprehensive receiving sealing cover from right to left in the granularity from big to small.

Compared with the prior art, the invention has the beneficial effects that: the invention can wrap the vibrating screen for mineral separation, can suck dust generated in the mineral separation process of the vibrating screen by wind power, and simultaneously separates fine ore sand from dust screened by the vibrating screen by utilizing different specific gravities of substances, firstly screening the fine ore sand by particles, and then screening the fine ore sand by wind power negative pressure, gravity and inertia, thereby realizing double high-efficiency mineral separation, fully removing wastes, not taking away iron-containing minerals, not generating sewage, fully separating mineral separation and having high resource recovery rate.