CN214972673U - Strip mine dust treatment watering control device - Google Patents

Abstract

The application belongs to the technical field of the mining site presses down dirt, in particular to strip mine dust treatment watering controlling means sets up on mining truck to the dust suppression is carried out to the dumping in-process at mining truck, includes: the water spraying module sprays water in the dumping process of the mining truck, the water spraying module comprises a water tank and a water spraying pipe, the tail end of the water spraying pipe is provided with a spray head, and the angle of the spray head is adjustable; the monitoring module is used for monitoring the car hopper inclination angle of the mining truck and the dust concentration of the mining truck in the road transportation and soil discharge processes, and the control system is respectively in communication connection with the monitoring module and the water spraying module so as to control the water spraying of the water spraying module according to the car hopper inclination angle or the dust concentration of the mining truck. Through the design that adopts control system and monitoring module, the water spray of scientific arrangement spray pipe realizes can effectual reduction transport road and the dust concentration of refuse dump to mining truck when transport road and refuse dump under the prerequisite of water economy resource.

Description

Strip mine dust treatment watering control device

Technical Field

The utility model belongs to the technical field of the mining site presses down dirt, in particular to strip mine dust treatment watering controlling means.

Background

In the production processes of perforation, blasting, secondary crushing, shovel loading, automobile transportation, automobile unloading, crushing, leveling of a working surface of a loader, dumping grounds and the like, an open stope generates a large amount of dust. The open-pit mine has the characteristics of multiple dust producing points, large dust producing amount, high air dust concentration and the like, and in addition, the dust of the open-pit mine also has the characteristic of high dispersity. With the stricter and stricter environmental protection requirements of the country, the treatment of the dust of the surface mine is urgent.

At present, according to the national environmental protection requirement, dust removal and dust fall are needed in each link of a strip mine. At present, dust suppression agent is mainly sprayed to control dust pollution in the open pit dumping field link, and corresponding dust suppression measures are not adopted in the open pit dumping process.

The invention patent with application number CN201510593676.0 discloses a water-saving dust removal device for a surface mine truck, which comprises a mine car, a control system, a water-saving spraying device and a dust collection device; the mine car comprises a car head, a car frame, wheels, a car hopper and a fixing plate; the water-saving spraying device comprises a water tank, an industrial camera, a hose I, a water pump, a hose II, a water spraying pipe, a front upper and lower telescopic rod and a front upper and lower cylinder; the dust collection device comprises a dust collection box, a hose III, a hose IV, a suction fan, a large open type dust collection head, rear upper and lower telescopic rods and rear upper and lower cylinders. The provided water-saving dust removal device for the surface mine truck has a control system, realizes automatic control, can eliminate raised dust in the loading process of the mine car, can prevent the raised dust in the transportation process, and reduces the consumption of water resources.

In the above-mentioned patent publication, there is no measure relating to the treatment of the dust in the dump of the strip mine. The existing water-saving dust removal technology of the strip mine truck only plays a certain role in the picking and loading link and the transportation link, and cannot play a role in dust pollution generated in the soil discharging process. Meanwhile, the existing monitoring equipment cannot monitor the dust concentration during soil discharging, and the water-saving and dust-suppression effects cannot be guaranteed.

Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a strip mine dust treatment sprinkling control device which is arranged on a mining truck and used for suppressing dust in the dumping process of the mining truck so as to solve or alleviate the problems in the prior art.

In order to achieve the above purpose, the present application provides the following technical solutions:

the application provides a strip mine dust treatment watering control device sets up on mining truck to arrange the in-process at mining truck and press down dirt, include:

the water spraying module sprays water in the process of dumping of the mining truck to suppress dust, the water spraying module comprises a water tank arranged on the mining truck and a water spraying pipe connected with the bottom of the water tank, and a water pump is arranged in the water tank to supply water to the water spraying pipe; the tail end of the water spray pipe is provided with a spray head, and the angle of the spray head is adjustable;

a monitoring module, the monitoring module comprising:

the inclination angle sensor is arranged at the lower part of a hopper of the mining truck to monitor the hopper inclination angle of the mining truck;

the dust monitoring sensor is arranged at the tail part of a hopper of the mining truck to monitor the dust concentration of the mining truck in the road transportation and dumping processes;

and the control system is in communication connection with the monitoring module and the water spraying module so as to control the spray head angle of the water spraying module and the start and stop of the water spraying module according to the car hopper inclination angle and control the water spraying amount of the water spraying module according to the dust concentration.

Preferably, an electric rotating seat is arranged on the car hopper, the electric rotating seat is in communication connection with the control system, the spray head is clamped on the electric rotating seat, and the control system controls the electric rotating seat to rotate and drive the spray head to rotate in the vertical direction.

Preferably, the spray head comprises a spray head main body and water spray holes, a water spray surface is arranged at the end part of the spray head, the water spray surface is an inclined surface corresponding to the soil discharge direction of the mining truck, and the water spray holes are uniformly distributed on the water spray surface.

Preferably, the spray head can be vertically turned by 0-120 ° through the electric rotary seat.

Preferably, the sprinkler pipe is arranged on the upper edge of the hopper of the mining truck and extends to the tail part of the hopper along the length direction of the hopper.

Preferably, there are two water spray pipes, and the two water spray pipes are respectively arranged at two sides of the width direction of the car hopper.

Preferably, the two said spray pipes are each other's spare.

Preferably, the car hopper is provided with a mounting platform, the water tank is fixedly connected to the upper portion of the mounting platform, and the upper portion of the water tank is provided with a water filling port.

Preferably, the dust monitoring sensor and the tilt sensor are mounted on the mining truck in a wireless transmission mode.

Preferably, the control system is a PLC control system.

Compared with the closest prior art, the technical scheme of the embodiment of the application has the following beneficial effects:

the utility model provides a strip mine dust treatment watering controlling means, through the design that adopts control system and monitoring module, the water spray of spray pipe is arranged to the science, realizes the dust concentration that can effectual reduction transport road and refuse dump under the prerequisite of water economy resource to mining truck when transport road and refuse dump, the utility model discloses simple structure is favorable to using widely.

The utility model discloses mainly adopt inclination sensor to detect the control water spray and press down dirt operation, at the dumping in-process, measure the inclination of car hopper at the in-process that rises through inclination sensor, begin to spray water when the inclination is greater than the inclination standard value, avoided reaching the wasting of resources condition that the dumping field has not yet begun the dumping and just begins to spray water like this.

In the process of dumping, the utility model discloses a dust monitoring sensor's setting control water pump open stop and the water spray volume of spray pipe, at the dumping in-process, when dust concentration is greater than the dust concentration standard value, the shower nozzle water spray volume is great, and when dust concentration is less than the dust concentration standard value, the shower nozzle water spray volume reduces. Therefore, water resources can be saved, and dust can be reduced scientifically.

In the road transportation process the utility model discloses an electric swivel base's setting has solved the truck and has produced the problem of great dust because of the untimely truck rear wheel that sprays water in the transportation, can upwards perhaps decurrent upset according to different work scenes simultaneously, can accomplish to have dual-purpose at a stroke, and the scientific control is sprinkled.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. Wherein:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a detailed view of the structure of the sprinkler head of FIG. 1;

FIG. 3 is a state diagram of FIG. 2;

FIG. 4 is another state diagram of FIG. 2;

fig. 5 is a control flow chart of the present invention.

Description of reference numerals:

1-a vehicle frame; 2-a car hopper; 21-mounting a platform; 3-a water tank; 31-water injection port; 4-a control system; 5-dust monitoring sensor; 6-a tilt sensor; 7-a water spray pipe; 71-an electric rotating base; 72-a spray head; 8-water pump.

Detailed Description

The present application will be described in detail below with reference to the embodiments with reference to the attached drawings. The various examples are provided by way of explanation of the application and are not limiting of the application. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present application without departing from the scope or spirit of the application. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present application cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

In the description of the present application, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present application but do not require that the present application must be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. The terms "connected," "connected," and "disposed" as used herein are intended to be broadly construed, and may include, for example, fixed and removable connections; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.

As shown in fig. 1 to 5, the utility model discloses a strip mine dust treatment watering controlling means sets up on mining truck, and mining truck includes car hopper 2, frame 1 and locates the hydraulic support that car hopper 2 emptys between car hopper 2 and frame 1, and this device can suppress dirt at mining truck's road transportation and the dumping in-process, include: the device comprises a water spraying module, a monitoring module and a control system.

A water spraying module: the water spraying module sprays water in the process of dumping of the mining truck so as to suppress dust. Specifically, the water spraying module comprises a water tank 3 arranged on the mining truck and a water spraying pipe 7 connected with the bottom of the water tank 3, a water pump 8 is arranged in the water tank 3 to supply water to the water spraying pipe 7, a spray head 72 is arranged at the tail end of the water spraying pipe 7, and in order to meet the dust suppression requirements of different stages, the inclination angle of the spray head 72 can be adjusted by turning over a control system.

Further, as shown in fig. 1 to 4, in order to enable the angle of the nozzle 72 to be turned over according to different working scenes, an electric rotating base 71 is arranged at a position on the car hopper 2 corresponding to the nozzle 72, the electric rotating base 71 is in communication connection with a control system, the nozzle 72 is connected to the electric rotating base 71 in a clamping manner, and the control system controls the electric rotating base 71 to rotate and drives the nozzle 72 to rotate in the vertical direction.

Further, as shown in fig. 1 to 4, in order to enable the spray pipe 7 of the water spray module to have a self-cleaning function, the spray head 72 includes a spray head body and spray holes, the end of the spray head 72 has a spray surface, the spray surface is an inclined surface corresponding to the soil discharge direction of the mining truck, and the spray holes are uniformly distributed on the spray surface. Because the water spray surface is arranged on an inclined plane, dust adsorbed on the water spray holes is cleaned under the action of the gravity of water when the water spray holes spray water.

Furthermore, the pipe body of the nozzle body is made into a rubber hose, the nozzle 72 can be turned over by 0-120 degrees in the vertical direction through the electric rotating seat 71, when dust is attached to the inclined surface, the nozzle 72 is adjusted downwards, so that dust water on the water spray holes can drip under the action of gravity, and the water spray holes are prevented from being blocked.

Further, the nozzle 72 is detachably attached to the end of the spout 7 in order to allow timely removal for repair or replacement in the event of clogging or damage to the nozzle 72.

Furthermore, in order to avoid the serious bending caused by the extrusion deformation of the nozzle body 72 when the nozzle 72 rotates and the reduction of the water amount in the spray pipe 7, a telescopic section is provided at the connection position of the nozzle 72 and the spray pipe 7.

Further, in order not to affect the operation of the car hopper 2, the water spraying pipe 7 is disposed at the upper edge of the car hopper 2 and extends to the tail part along the length direction of the car hopper 2.

Further, there are two water spray pipes 7, and the two water spray pipes 7 are respectively disposed on both sides of the car hopper 2 in the width direction.

Further, in order to prevent any one of the nozzles 72 from being clogged and affecting the operation of the whole apparatus, the two spray pipes 7 are provided as backup for each other.

Further, a mounting platform 21 is arranged on the car hopper 2, and the water tank 3 is fixedly connected to the upper portion of the mounting platform 21.

Further, in order to realize the circulation operation, the water tank 3 is replenished with water by using a loading link of a truck after the completion of soil discharge, and a water filling port 31 is provided on the water tank 3.

A monitoring module: the monitoring module is used for monitoring the inclination angle of a hopper of the mining truck and the dust concentration of the mining truck in the road transportation and dumping processes, the inclination angle sensor 6 is arranged at the lower part of the hopper 2 of the mining truck, and the dust monitoring sensor 5 is arranged at the tail part of the hopper.

Further, install wireless transmission's dust monitoring sensor 5 at the afterbody of car hopper, dust monitoring sensor 5 carries out concentration monitoring to the dust of mining truck afterbody, and dust monitoring sensor 5 transmits the signal to control system 4 through the dust concentration who monitors, and control system 4 controls the regulation through the receipt of signal to the water spray rate of water spray module, reaches the purpose of water economy resource.

Further, an inclination angle sensor 6 is installed at the bottom of the car hopper 2, the inclination angle of the car hopper 2 when the car hopper 2 is toppled is monitored by the inclination angle sensor 6, specifically, the hydraulic support of the car frame 1 is used as a fulcrum, the initial position is used before the car hopper 2 lifts up and discharges soil, the inclination angle of the car hopper 2 (namely, the included angle between the bottom surface of the car hopper 2 and the horizontal plane) is measured by the inclination angle sensor 6, the measured value is transmitted to the control system 4, and the control system 4 controls and adjusts the water spraying module through the signal receiving.

The control system 4: the control system 4 is respectively in communication connection with the monitoring module and the water spraying module so as to control the spray head angle of the water spraying module and the start and stop of the water pump according to the inclination angle of the hopper 2 of the mining truck and control the start and stop of the water spraying module and the water spraying amount according to the dust concentration. The control system 4 in the device is mainly a PLC control system. The dust concentration standard value a in the road transportation process, the dust concentration standard value b in the soil discharging process and the inclination angle standard value c in the soil discharging process are preset in advance by a logic circuit built in the control system 4.

Further, the control system 4 judges whether the mining truck is in road transportation operation time or in dumping operation time according to the inclination angle of the hopper 2 detected by the inclination angle sensor 6, controls the angle of the spray head 72 of the water spraying module, and the control system 4 judges whether water needs to be sprayed and determines the water spraying amount after comparing the detected value with a standard value preset in the control system 4 according to the dust concentration value detected by the dust monitoring sensor 5.

The standard value of the dust concentration preset in the control system is a reference value obtained according to the production capacity of the current strip mine, the dust production amount, the national standard concentration of the maximum emission in each link of unorganized emission and a large amount of experimental comprehensive consideration, and the value has certain persuasion.

As shown in fig. 5, the water spray adjusting program of the control system of the device mainly comprises two operation links of road transportation and soil discharging, and comprises the following steps:

1. the control system 4 starts to operate.

2. During the transportation process, the inclination angle of the car hopper 2 is not changed, a signal is transmitted to the control system 4, the control system 4 controls the electric rotating seat 71 to enable the spray head 72 to rotate downwards by 50 degrees along the vertical direction, so that the direction of the spray head 72 faces the direction of the rear tyre, and at the moment, the spray head 72 does not spray water. The dust concentration in the transportation road is monitored through the dust monitoring sensor 5 in the transportation process, and when the dust concentration exceeds a dust concentration standard value a, the control system 4 transmits information to the water pump 8 at the moment, and the water pump 8 starts to work and spray water. And when the dust concentration is lower than the dust concentration standard value a, the control system 4 controls the power supply of the water pump 8 to be automatically disconnected and not to spray water.

3. When the truck arrives at a dumping yard to start dumping, the inclination angle of the truck hopper 2 is not changed, and the spray head 72 does not spray water. When the hydraulic support of the truck starts to act, the truck hopper 2 starts to be lifted, the tilt sensor 6 starts to measure the tilt angle of the truck hopper 2, and when the tilt angle of the truck hopper 2 is measured to be larger than the tilt angle standard value c (the preset tilt angle standard value c in the embodiment is 20 °), the tilt sensor 6 transmits a signal to the control system 4, and the control system 4 controls the electric rotating seat 71 to rotate the spray head 72 to be kept on a horizontal line with the spray pipe 7. Meanwhile, the control system 4 transmits information to the water pump 8, the water pump 8 starts to operate, water in the water tank 3 is conveyed to the spray nozzle 72 through the water spray pipe 7, water spraying and dust suppression operation is started to be carried out on the tail portion of the truck, the water spraying amount of the spray nozzle 72 is small at first, a large amount of dust is generated in the process that all rock blocks in the truck bucket 2 are discharged to a dumping site along with the increase of the inclination angle of the truck bucket 2, the concentration of the dust in the dumping process of the truck is monitored through the dust monitoring sensor 5, and therefore the concentration of the dust is judged. When the dust concentration is greater than the dust concentration standard value b, the control system 4 increases the water conveying amount of the water spraying pipe 7 by changing the power of the water pump 8, and the spray head 72 quickly sprays water to reduce the dust concentration generated by soil discharge, so that the dust suppression and reduction effects are realized.

4. When the dust concentration is less than the dust concentration standard value b, the dust monitoring sensor 5 transmits a signal for reducing the power of the water pump 8 to the control system 4, so that the control system 4 carries out reduced regulation on the water spraying amount of the water spraying module, and the purposes of saving water resources and power are achieved.

5. And when the inclination angle of the car hopper 2 is smaller than the inclination angle standard value c, the control system 4 controls the water pump 8 to stop running.

6. After the material is discharged, the watering operation procedure is finished, and after the soil discharge is finished, the water level of the water tank can be rapidly increased by the truck in the loading link, so that the circular operation is realized.

To sum up, the utility model provides a strip mine dust treatment watering controlling means, through the design that adopts control system 4 and monitoring module, the water spray of water spray module is arranged to the science, can effectual reduction transport road and the dust concentration in refuse dump under the prerequisite of water economy resource, the utility model discloses simple structure is favorable to and uses widely.

The utility model discloses mainly adopt inclination sensor 6 to detect control water spray and press down dirt operation, at the dumping in-process, measure the inclination of car hopper 2 at the ascending in-process through inclination sensor 6, begin to spray water when the inclination is greater than inclination standard value c, avoided reaching the wasting of resources condition that the dumping site has not just begun the water spray of dumping yet.

In the process of dumping, the utility model discloses a dust concentration control water pump 8 that dust monitoring sensor 5 detected opens and stops and the water spray volume of spray pipe 7, when dust concentration is greater than dust concentration standard value b, the shower nozzle water spray volume is great, and when dust concentration is less than dust concentration standard value b, the shower nozzle water spray volume reduces, can the water economy resource like this, can the scientific dust fall again.

In the road transportation process, the utility model discloses an electric swivel base 71's setting has solved the truck and has produced the problem of great dust because of the untimely truck rear wheel that sprinkles in the transportation, also can accomplish simultaneously and control the watering by one stroke dually.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a strip mine dust treatment watering controlling means, sets up on mining truck to the dust suppression is carried out in mining truck's dumping process, its characterized in that includes:

the water spraying module sprays water in the process of dumping of the mining truck to suppress dust, the water spraying module comprises a water tank arranged on the mining truck and a water spraying pipe connected with the bottom of the water tank, and a water pump is arranged in the water tank to supply water to the water spraying pipe; the tail end of the water spray pipe is provided with a spray head, and the angle of the spray head is adjustable;

a monitoring module, the monitoring module comprising:

the inclination angle sensor is arranged at the lower part of a hopper of the mining truck to monitor the hopper inclination angle of the mining truck;

the dust monitoring sensor is arranged at the tail part of a hopper of the mining truck to monitor the dust concentration of the mining truck in the road transportation and dumping processes;

and the control system is in communication connection with the monitoring module and the water spraying module so as to control the spray head angle of the water spraying module and the start and stop of the water spraying module according to the car hopper inclination angle and control the water spraying amount of the water spraying module according to the dust concentration.

2. The strip mine dust treatment sprinkling control device according to claim 1, wherein an electric rotating seat is arranged on the hopper, the electric rotating seat is in communication connection with the control system, the spray head is clamped on the electric rotating seat, and the control system controls the electric rotating seat to rotate and drives the spray head to rotate in a vertical direction.

3. The strip mine dust treatment sprinkling control device of claim 2, wherein the spray head comprises a spray head body and water spray holes, the end of the spray head has a water spray surface, the water spray surface is an inclined surface corresponding to the soil discharge direction of the mining truck, and the water spray holes are uniformly distributed on the water spray surface.

4. The strip mine dust treatment watering control apparatus of claim 2 wherein the spray head is vertically tiltable by 0-120 ° by the electric swivel.

5. The strip mine dust treatment watering control apparatus of claim 1 wherein the sprinkler tube is disposed at an upper edge of a hopper of the mining truck and extends to a rear portion of the hopper in a length direction of the hopper.

6. The strip mine dust treatment sprinkling control device according to claim 5, wherein there are two of the water spray pipes, and the two water spray pipes are respectively provided on both sides of the hopper in the width direction.

7. The strip mine dust treatment watering control apparatus of claim 6 wherein the two water spray pipes are redundant.

8. The strip mine dust treatment sprinkling control device according to claim 5, wherein the hopper is provided with a mounting platform, the water tank is fixedly connected to the upper portion of the mounting platform, and the upper portion of the water tank is provided with a water filling port.

9. The strip mine dust treatment watering control apparatus defined in any one of claims 1 to 8 wherein the dust monitoring sensor and the tilt sensor are both mounted on the mining truck by wireless transmission.

10. The strip mine dust treatment watering control device of claim 9, wherein the control system is a PLC control system.

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