阅读说明：本技术 一种高效环保的矿山干式铁粉回收装置 (Efficient and environment-friendly mine dry-type iron powder recovery device ) 是由 欧素文 于 2020-06-22 设计创作，主要内容包括：本发明公开了一种高效环保的矿山干式铁粉回收装置,包括车体、磁性滚筒、收集斗和车轮,所述车体内部底端的一侧固定连接有磁性滚筒,所述车体内部的另一侧设置有收集斗,转杆的一侧固定连接有主动轮,所述主动轮的内部外部均贯穿有传动皮带。本发明通过设置有传动结构实现了对铁粉的收集较为全面,当车体通过运输车进行牵引时,此时车轮会进行转动,同时车轮会通过转轴带动转杆进行转动,此时转杆会通过主动轮使传动皮带进行传动,此时从动轮会带动磁性滚筒进行转动,磁性滚筒在转动的过程中可以地面上掉落的铁粉进行吸附,提高了铁粉的回收效率,且整个回收装置无需用电,环保节能性较强。(The invention discloses a high-efficiency environment-friendly dry type mine iron powder recovery device which comprises a vehicle body, a magnetic roller, a collecting hopper and wheels, wherein the magnetic roller is fixedly connected to one side of the bottom end in the vehicle body, the collecting hopper is arranged on the other side in the vehicle body, a driving wheel is fixedly connected to one side of a rotating rod, and transmission belts penetrate through the outer part of the inner part of the driving wheel. According to the invention, the transmission structure is arranged, so that the iron powder is comprehensively collected, when a vehicle body is pulled by the transport vehicle, the wheels can rotate, the wheels can drive the rotating rods to rotate through the rotating shafts, the rotating rods can drive the transmission belts through the driving wheels, the driven wheels can drive the magnetic rollers to rotate, and the magnetic rollers can adsorb the iron powder falling on the ground in the rotating process, so that the recovery efficiency of the iron powder is improved, the whole recovery device does not need electricity, and the environment-friendly and energy-saving properties are strong.)

1. The utility model provides a mine dry-type iron powder recovery unit of high-efficient environmental protection, includes automobile body (1), magnetic drum (2), collection fill (3) and wheel (5), its characterized in that: the cleaning trolley is characterized in that a magnetic roller (2) is fixedly connected to one side of the bottom end inside the trolley body (1), a collecting hopper (3) is arranged on the other side inside the trolley body (1), a dismounting structure (6) is fixedly connected to one side inside the collecting hopper (3), a fixing structure (4) is fixedly connected to one side of the trolley body (1), wheels (5) are movably connected to both sides of the bottom end of the trolley body (1), a scraper (7) is fixedly connected to one side of the dismounting structure (6), a transmission structure (8) is fixedly connected to both sides inside the magnetic roller (2), the transmission structure (8) comprises a rotating shaft (801), a rotating rod (802), a driving wheel (803), a transmission belt (804) and a driven wheel (805), the rotating shaft (801) is fixed to one side of the wheels (5), and the rotating rod (802) is fixedly connected to one side of the rotating, and one side of the rotating rod (802) is fixedly connected with a driving wheel (803), and transmission belts (804) penetrate through the inner part and the outer part of the driving wheel (803).

2. The high-efficiency environment-friendly mine dry type iron powder recovery device according to claim 1, characterized in that: driven wheels (805) are arranged at the top ends of the inner parts of the transmission belts (804) in a penetrating mode, the driven wheels (805) are fixed on the two sides of the magnetic roller (2), and the driven wheels (805) are designed to be rotating structures on the two sides of the magnetic roller (2) through the transmission belts (804).

3. The high-efficiency environment-friendly mine dry type iron powder recovery device according to claim 1, characterized in that: fixed knot constructs (4) including spacing groove (401), fixing bolt (402), stopper (403) and fixation nut (404), one side of automobile body (1) is fixed in spacing groove (401), the vertical penetrating of inside of spacing groove (401) has fixing bolt (402), and the outside bottom swing joint of fixing bolt (402) has fixation nut (404).

4. The high-efficiency environment-friendly mine dry type iron powder recovery device according to claim 3, characterized in that: a limiting block (403) transversely penetrates through the inside of the limiting groove (401), and the thickness of the limiting block (403) is smaller than the height of the inside of the limiting groove (401).

5. The high-efficiency environment-friendly mine dry type iron powder recovery device according to claim 1, characterized in that: the disassembly and assembly structure (6) comprises a connecting block (601), a clamping groove (602), a clamping block (603) and a fixing plate (604), wherein the connecting block (601) is fixed at two ends of one side of the collecting hopper (3), the clamping groove (602) is arranged in the connecting block (601), and the clamping block (603) penetrates through the clamping groove (602).

6. The high-efficiency environment-friendly mine dry type iron powder recovery device according to claim 5, characterized in that: the bottom end of the clamping block (603) is fixedly connected with a fixing plate (604), the outer diameter of the clamping block (603) is smaller than the inner diameter of the clamping groove (602), and a clamping structure is formed between the clamping groove (602) and the clamping block (603).

7. The high-efficiency environment-friendly mine dry type iron powder recovery device according to claim 1, characterized in that: further comprising: the device comprises a controller, a camera and a computer;

the scraper (7) is positioned at the upper front part of the magnetic roller (2) and is attached to the magnetic roller, wherein the scraper is made of stainless steel;

the controller and the camera are installed at the top port of the collecting hopper (3);

the camera is used for shooting an image of the dry iron powder adsorbed by the magnetic roller;

the computer is used for carrying out image processing on the mine dry-type iron powder image shot by the camera based on an image processing platform to obtain the iron powder concentration on the magnetic drum (2);

the controller carries out comparative analysis on the obtained iron powder concentration and a preset iron powder concentration;

if the iron powder concentration is greater than the preset iron powder concentration, the scraper (7) based on a stainless steel material scrapes the mine dry iron powder adsorbed on the magnetic roller (2);

otherwise, controlling the camera to continue shooting.

8. The dry iron powder recovery device for mines of high efficiency and environmental protection as claimed in claim 7, characterized in that:

the computer is also used for calculating the energy utilization rate of the mine dry type iron powder recovery device, and the calculation steps comprise:

calculating the energy conversion rate generated by the internal combustion engine of the transport vehicle;

wherein η 1 is used to indicate the energy conversion rate of internal combustion engine of transport vehicle, Q_{Is effective}Is used for showing that the internal combustion engine generates effective operation energy which can be applied to the mine dry type iron powder recovery device; q_ReleasingRepresenting the total energy produced by the internal combustion engine, P representing the actual power of the internal combustion engine, t representing the running time of the internal combustion engine, q representing the diesel heating value of the internal combustion engine, and q being 3.3 × 10⁷J/KG; m represents the quality of diesel oil in the dry iron powder recovery device of the mine;

calculating the energy utilization rate of the dry type iron powder recovery device for the mine:

wherein, W_{Is effective}The actual energy used by the mine dry-type iron powder recovery device is represented; w_{General assembly}The system is used for representing the total mechanical energy converted by the internal combustion engine of the transport vehicle; q_{Heat quantity}Used for representing the lost energy for heat dissipation in the operation process of the mine dry type iron powder recovery device; p is used to represent the actual power of the internal combustion engine; t is used to indicate the operating time of the internal combustion engine; i is used for expressing the mine dry type iron powder recovery device engine generalThe current passing through; r is used to represent the resistance of the engine itself;

when the energy utilization rate eta 2 is less than 60%, slowing down the transmission speed of the transmission belt (804);

otherwise, the drive speed of the drive belt (804) is unchanged.

Technical Field

The invention relates to the technical field of mining equipment, in particular to a high-efficiency and environment-friendly dry type mine iron powder recovery device.

Background

Iron ore is common ore, part of iron ore needs to be refined into iron powder and then is subsequently processed, on a road for transporting the iron powder in a mining area, part of the iron powder is scattered due to bumping of a transport vehicle, and in order to protect environment and save resources, dry iron powder on the road needs to be recovered, so a special mine dry iron powder recovery device can be used;

however, when the existing iron powder recovery device in the market is used, the collection of iron powder is not complete, the recovery efficiency is low, the magnetic drum is generally rotated by using electric power, the consumption rate of electric energy is high, and the environmental protection and energy saving performance are poor, so that a high-efficiency and environment-friendly dry type iron powder recovery device for mines is developed to solve the problems.

Disclosure of Invention

The invention aims to provide a high-efficiency and environment-friendly mine dry-type iron powder recovery device, which aims to solve the problems that the collection of iron powder is incomplete, the recovery efficiency is low, a magnetic roller is generally rotated by using electric power, the consumption rate of electric energy is high, and the environment-friendly and energy-saving properties are poor in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an efficient and environment-friendly dry type iron powder recovery device for a mine comprises a vehicle body, a magnetic roller, a collecting hopper and wheels, one side of the bottom end in the vehicle body is fixedly connected with a magnetic roller, the other side in the vehicle body is provided with a collecting hopper, and one side of the interior of the collecting hopper is fixedly connected with a dismounting structure, one side of the vehicle body is fixedly connected with a fixing structure, wheels are movably connected with both sides of the bottom end of the cart body, a scraper is fixedly connected with one side of the dismounting structure, the two sides inside the magnetic roller are fixedly connected with transmission structures, each transmission structure comprises a rotating shaft, a rotating rod, a driving wheel, a transmission belt and a driven wheel, the rotating shafts are all fixed on one side of the wheel, one side of the rotating shaft is all fixedly connected with a rotating rod, and one side fixedly connected with action wheel of bull stick, the inside outside of action wheel all runs through there is driving belt.

Preferably, the driven wheels penetrate through the top ends of the inner parts of the transmission belts and are fixed on two sides of the magnetic roller, and the driven wheels are designed into rotating structures on two sides of the magnetic roller through the transmission belts.

Preferably, the fixed knot constructs including spacing groove, fixing bolt, stopper and fixation nut, the spacing groove is fixed in one side of automobile body, the vertical penetrating of inside of spacing groove has fixing bolt, and the outside bottom swing joint of fixing bolt has fixation nut.

Preferably, a limiting block transversely penetrates through the inner part of the limiting groove, and the thickness of the limiting block is smaller than the height of the inner part of the limiting groove.

Preferably, the dismouting structure includes connecting block, draw-in groove, fixture block and fixed plate, the connecting block all is fixed in the both ends of collecting fill one side, the inside of connecting block all is provided with the draw-in groove, and the inside of draw-in groove all runs through there is the fixture block.

Preferably, the bottom fixedly connected with fixed plate of fixture block, the external diameter of fixture block all is less than the internal diameter of draw-in groove, is the block structure between draw-in groove and the fixture block.

Preferably, the dry iron powder recovery device for mines, which is efficient and environment-friendly, is characterized in that: further comprising: the device comprises a controller, a camera and a computer;

the scraper is positioned at the upper front of the magnetic roller and is attached to the magnetic roller, wherein the scraper is made of stainless steel;

the controller and the camera are installed at the top port of the collecting hopper;

the camera is used for shooting an image of the dry iron powder adsorbed by the magnetic roller;

the computer performs image processing on the mine dry-type iron powder image shot by the camera based on an image processing platform to obtain the iron powder concentration on the magnetic drum;

the controller carries out comparative analysis on the obtained iron powder concentration and a preset iron powder concentration;

if the iron powder concentration is greater than the preset iron powder concentration, scraping the mine dry iron powder adsorbed on the magnetic roller by the scraper based on a stainless steel material;

otherwise, controlling the camera to continue shooting.

Preferably, the dry iron powder recovery device for mines, which is efficient and environment-friendly, is characterized in that: further comprising: calculating the energy utilization rate of the dry type iron powder recovery device for the mine, wherein the calculation steps comprise:

calculating the energy conversion rate generated by the internal combustion engine of the transport vehicle;

wherein η 1 is used to indicate the energy conversion rate of internal combustion engine of transport vehicle, Q_{Is effective}Is used for showing that the internal combustion engine generates effective operation energy which can be applied to the mine dry type iron powder recovery device; q_ReleasingRepresenting the total energy produced by the internal combustion engine, P representing the actual power of the internal combustion engine, t representing the running time of the internal combustion engine, q representing the diesel heating value of the internal combustion engine, and q being 3.3 × 10⁷J/KG; m represents the quality of diesel oil in the dry iron powder recovery device of the mine;

calculating the energy utilization rate of the dry type iron powder recovery device for the mine:

wherein, W_{Is effective}The actual energy used by the mine dry-type iron powder recovery device is represented; w_{General assembly}The system is used for representing the total mechanical energy converted by the internal combustion engine of the transport vehicle; q_{Heat quantity}Used for representing the lost energy for heat dissipation in the operation process of the mine dry type iron powder recovery device; p is used to represent the actual power of the internal combustion engine; t is used to indicate the operating time of the internal combustion engine; i is used for representing the current passing through the engine of the mine dry type iron powder recovery device; r is used to represent the resistance of the engine itself;

when the energy utilization rate eta 2 is less than 60%, slowing down the transmission speed of the transmission belt;

otherwise, the transmission speed of the transmission belt is unchanged.

Compared with the prior art, the invention has the beneficial effects that: the efficient and environment-friendly mine dry-type iron powder recovery device not only realizes comprehensive collection of iron powder, improves the recovery efficiency of the iron powder, has strong environmental protection and energy conservation performance, but also realizes convenient installation and fixation of the vehicle body, enables the vehicle body to be firmly fixed on a transport vehicle and is convenient for fast dismounting and mounting of a scraper, and effectively improves the replacement efficiency of the scraper;

(1) the collection of the iron powder is relatively comprehensive through the arrangement of the transmission structure, when a vehicle body is pulled through the transport vehicle, the wheel can rotate, meanwhile, the wheel can drive the rotating rod to rotate through the rotating shaft, the rotating rod can drive the transmission belt to transmit through the driving wheel, the driven wheel can drive the magnetic roller to rotate, and the magnetic roller can adsorb the iron powder falling on the ground in the rotating process, so that the recovery efficiency of the iron powder is improved, the whole recovery device does not need electricity, and the environment-friendly and energy-saving performance is relatively strong;

(2) the fixing structure is arranged to facilitate installation and fixation of the vehicle body, the limiting groove is clamped into the outer portion of the limiting block, the fixing bolt is inserted into the limiting groove, and the fixing bolt can fix the limiting groove and the limiting block, so that the vehicle body can be stably fixed on the transport vehicle;

(3) through being provided with the dismouting structure and having realized being convenient for carry out the dismouting to the scraper fast, through the rotatory fixture block of fixed plate, make the fixture block drop from the inside of draw-in groove, pass through the fixture block new scraper fix in the inside of draw-in groove can to realized being convenient for carry out the function of dismouting to the scraper fast.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is an enlarged top view of a portion of the collecting hopper according to the present invention;

FIG. 4 is an enlarged partial cross-sectional view taken at A in FIG. 3 according to the present invention;

FIG. 5 is an enlarged front view of a portion of a cross-section of the fixing structure of the present invention;

fig. 6 is a connection diagram of the camera and the controller of the present invention.

In the figure: 1. a vehicle body; 2. a magnetic drum; 3. a collecting hopper; 4. a fixed structure; 401. a limiting groove; 402. fixing the bolt; 403. a limiting block; 404. fixing a nut; 5. a wheel; 6. a disassembly and assembly structure; 601. connecting blocks; 602. a card slot; 603. a clamping block; 604. a fixing plate; 7. a scraper; 8. a transmission structure; 801. a rotating shaft; 802. a rotating rod; 803. a driving wheel; 804. a drive belt; 805. a driven wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention is shown: an efficient and environment-friendly dry type iron powder recovery device for a mine comprises a vehicle body 1, a magnetic roller 2, a collecting hopper 3 and wheels 5, wherein the magnetic roller 2 is fixedly connected with one side of the bottom end in the vehicle body 1, the collecting hopper 3 is arranged on the other side in the vehicle body 1, and one side of the interior of the collecting hopper 3 is fixedly connected with a dismounting structure 6, one side of the vehicle body 1 is fixedly connected with a fixed structure 4, two sides of the bottom end of the vehicle body 1 are movably connected with wheels 5, one side of the dismounting structure 6 is fixedly connected with a scraper 7, two sides of the interior of the magnetic roller 2 are fixedly connected with a transmission structure 8, the transmission structure 8 comprises a rotating shaft 801, a rotating rod 802, a driving wheel 803, a transmission belt 804 and a driven wheel 805, the rotating shaft 801 is fixed on one side of the wheels 5, one side of the rotating shaft 801 is fixedly connected with the rotating rod 802, one side of the rotating rod 802 is fixedly connected with a driving wheel 803, and transmission belts 804 penetrate through the inner part and the outer part of the driving wheel 803;

driven wheels 805 penetrate through the top end inside the transmission belt 804, the driven wheels 805 are fixed on two sides of the magnetic roller 2, and the driven wheels 805 are designed to be rotating structures on two sides of the magnetic roller 2 through the transmission belt 804;

specifically, as shown in fig. 1 and fig. 2, when the mechanism is used, firstly, a rotating rod 802 is fixed on one side of a rotating shaft 801, a driving wheel 803 is fixed on one side of the rotating rod 802, when the vehicle body 1 is pulled by a transport vehicle, at the moment, the wheel 5 rotates, meanwhile, the wheel 5 drives the rotating rod 802 to rotate through the rotating shaft 801, at the moment, the rotating rod 802 drives a driving belt 804 to transmit through the driving wheel 803, at the moment, a driven wheel 805 drives the magnetic roller 2 to rotate, the magnetic roller 2 can adsorb iron powder falling from the ground in the rotating process, the collection of the iron powder is comprehensive, the recovery efficiency of the iron powder is improved, the whole recovery device does not need electricity, and the environment protection and energy conservation are strong;

the fixing structure 4 comprises a limiting groove 401, a fixing bolt 402, a limiting block 403 and a fixing nut 404, the limiting groove 401 is fixed on one side of the vehicle body 1, the fixing bolt 402 vertically penetrates through the interior of the limiting groove 401, the fixing nut 404 is movably connected to the bottom end of the exterior of the fixing bolt 402, the limiting block 403 transversely penetrates through the interior of the limiting groove 401, and the thickness of the limiting block 403 is smaller than the height of the interior of the limiting groove 401;

specifically, as shown in fig. 1 and 5, when the mechanism is used, firstly, a fixing bolt 402 vertically penetrates through the inside of a limiting groove 401, and the bottom end of the outside of the fixing bolt 402 is movably connected with a fixing nut 404, when the vehicle body 1 needs to be fixed on a transport vehicle, the vehicle body 1 is moved to the tail of the transport vehicle through a wheel 5, then, the limiting groove 401 is clamped into the outside of the limiting block 403, the limiting block 403 is fixed with the tail of the transport vehicle, the fixing bolt 402 is inserted into the inside of the limiting groove 401, the fixing bolt 402 can fix the limiting groove 401 and the limiting block 403, finally, the fixing nut 404 is rotated, the fixing nut 404 is sleeved on the outside of the fixing bolt 402, when the fixing nut 404 is rotated to the bottom end of the limiting groove 401, the fixing of the vehicle body 1 and the transport vehicle can be completed, and the vehicle body 1 can be stably fixed on the transport vehicle;

the dismounting structure 6 comprises a connecting block 601, a clamping groove 602, clamping blocks 603 and a fixing plate 604, wherein the connecting block 601 is fixed at two ends of one side of the collecting bucket 3, the clamping groove 602 is arranged in the connecting block 601, the clamping blocks 603 penetrate through the clamping groove 602, the fixing plate 604 is fixedly connected to the bottom end of each clamping block 603, the outer diameter of each clamping block 603 is smaller than the inner diameter of the clamping groove 602, and a clamping structure is formed between each clamping block 602 and each clamping block 603;

specifically, as shown in fig. 1, fig. 3 and fig. 4, when using this mechanism, at first, inside through connecting block 601 all is provided with draw-in groove 602, the inside of draw-in groove 602 all runs through fixture block 603, can wear and tear gradually after scraper 7 uses for a long time, lead to the distance between scraper 7 and magnetic drum 2 to increase gradually, lead to scraping powder effect of scraper 7 to reduce, this moment through the rotatory fixture block 603 of fixed plate 604, make fixture block 603 drop from the inside of draw-in groove 602, scraper 7 just can drop from the inside of collecting hopper 3, later pass through fixture block 603 new scraper 7 fix in the inside of draw-in groove 602 can, be convenient for carry out the dismouting to scraper 7 fast, the replacement efficiency of scraper 7 has been improved.

The working principle is as follows: when the recovery device is used, ore is transported by the transport vehicle and a power source is provided for the recovery device, firstly, the recovery device is moved to the tail of the transport vehicle through the wheels 5, the limiting groove 401 is clamped outside the limiting block 403, the limiting block 403 is fixed with the tail of the transport vehicle, the fixing bolt 402 is inserted into the limiting groove 401, the fixing bolt 402 can fix the limiting groove 401 and the limiting block 403, finally, the fixing nut 404 is rotated to enable the fixing nut 404 to be sleeved outside the fixing bolt 402, and when the fixing nut 404 rotates to the bottom end of the limiting groove 401, the fixing of the vehicle body 1 and the transport vehicle can be completed;

secondly, when the transport vehicle transports, the transport vehicle can drive the vehicle body 1 to run on a mine road, the wheels 5 can rotate, meanwhile, the wheels 5 can drive the rotating rod 802 to rotate through the rotating shaft 801, at the moment, the rotating rod 802 can drive the transmission belt 804 to transmit through the driving wheel 803, and at the moment, the driven wheel 805 can drive the magnetic drum 2 to rotate;

finally, magnetic cylinder 2 leans on the effect of magnetic force can be with the iron powder absorption that drops on the road on self, and when magnetic cylinder 2 rotated 5 positions of wheel department, scraper 7 was the slope design, and scraper 7 can scrape the iron powder that magnetic cylinder 2 outer walls adsorb and fall the inside of collecting and fighting 3, finally accomplishes the recovery work of dry-type iron powder.

The invention provides a high-efficiency environment-friendly dry mine iron powder recovery device, which further comprises the following components as shown in figure 6: the device comprises a controller, a camera and a computer;

the scraper 7 is positioned at the upper front part of the magnetic roller 2 and is attached to the magnetic roller, wherein the scraper 7 is made of stainless steel;

the controller and the camera are installed at the top port of the collecting hopper 3;

the camera is used for shooting an image of the mine dry-type iron powder adsorbed by the magnetic roller 2;

the computer performs image processing on the mine dry-type iron powder image shot by the camera based on an image processing platform to obtain the iron powder concentration on the magnetic roller 2;

the controller carries out comparative analysis on the obtained iron powder concentration and a preset iron powder concentration;

if the iron powder concentration is greater than the preset iron powder concentration, the scraper 7 based on a stainless steel material scrapes off the mine dry iron powder adsorbed on the magnetic roller 2;

otherwise, controlling the camera to continue shooting.

The beneficial effects of the above technical scheme are that: the efficient and environment-friendly mine dry-type iron powder recovery device is driven by the traction of the delivery vehicle based on energy conversion to rotate, and the magnetic roller adsorbs the iron powder falling on the ground in the rotating process, so that the iron powder recovery efficiency is improved, and the device is energy-saving and environment-friendly.

The invention provides a high-efficiency environment-friendly dry type mine iron powder recovery device, which further comprises: calculating the energy utilization rate of the dry type iron powder recovery device for the mine, wherein the calculation steps comprise:

calculating the energy conversion rate generated by the internal combustion engine of the transport vehicle;

wherein η 1 is used to indicate the energy conversion rate of internal combustion engine of transport vehicle, Q_{Is effective}Is used for showing that the internal combustion engine generates effective operation energy which can be applied to the mine dry type iron powder recovery device; q_ReleasingRepresenting the total energy produced by the internal combustion engine, P representing the actual power of the internal combustion engine, t representing the running time of the internal combustion engine, q representing the diesel heating value of the internal combustion engine, and q being 3.3 × 10⁷J/KG; m represents the quality of diesel oil in the dry iron powder recovery device of the mine;

calculating the energy utilization rate of the dry type iron powder recovery device for the mine:

wherein, W_{Is effective}The actual energy used by the mine dry-type iron powder recovery device is represented; w_{General assembly}The system is used for representing the total mechanical energy converted by the internal combustion engine of the transport vehicle; q_{Heat quantity}Used for representing the lost energy for heat dissipation in the operation process of the mine dry type iron powder recovery device; p is used to represent the actual power of the internal combustion engine; t is used to indicate the operating time of the internal combustion engine; i is used for representing the current passing through the engine of the mine dry type iron powder recovery device; r is used to represent the resistance of the engine itself;

when the energy utilization rate eta 2 is less than 60%, slowing down the transmission speed of the transmission belt 804;

otherwise, the drive speed of the drive belt 804 is unchanged.

The working principle of the technical scheme is as follows: when the mine dry type iron powder recovery device works, the vehicle body 1 is fixed on a tractor, so that the mine dry type iron powder recovery device moves along with the tractor, the magnetic roller rotates along with the rotation of the wheels, iron powder on a road is adsorbed on the magnetic roller by magnetic force, and when the magnetic roller rotates to the position of the scraper, the scraper scrapes the iron powder into a hopper, so that the cleaning and recovery of the iron powder are completed.

The beneficial effects of the above technical scheme are that: the efficient and environment-friendly mine dry-type iron powder recovery device is driven by the traction of the delivery vehicle based on energy conversion to rotate, and the magnetic roller adsorbs the iron powder falling on the ground in the rotating process, so that the iron powder recovery efficiency is improved, and the device is energy-saving and environment-friendly.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.