A dust suppression device for open pit blasting

Abstract

The utility model provides a kind of open pit blasting dust suppression device, comprising: bubble pool is the open container of rectangular shape with opening to the bubble liquid matrix, slide rail includes first slide rail and second slide rail, first slide rail and second slide rail are symmetrically installed on the opening surface of bubble pool, first slide rail and second slide rail are eight-shaped structure between, first end of slide rail can support the chemical reaction substance cup, second end can make chemical reaction substance cup drop into bubble pool;First end of first slide rail and second slide rail is respectively equipped with position symmetrical first clamping groove and second clamping groove;Chemical reaction substance cup is equipped with the first clamping column and second clamping column corresponding with first clamping groove and second clamping groove respectively, above-mentioned device plays the role of reducing dust dispersion concentration when open pit blasting, controls the effect of dispersion range, reaches dust suppression effect to dust point of blasting operation.

Description

Technical Field

[0001] This utility model relates to the field of health and safety technology in open-pit mines, specifically to an open-pit mine blasting dust suppression and reduction device. Background Technology

[0002] Dust is a significant occupational disease inducing factor in open-pit mines and is therefore a key area for prevention and control. Dust-generating points in open-pit mines are present throughout the entire ore mining process, with the blasting stage being the most concentrated and producing the largest single dust load. For most open-pit mines, blasting is currently the most economical and feasible ore mining method given the level of productivity. During blasting, rocks are broken by the explosives, and the energy of the explosives causes both old and newly generated dust to escape into the surrounding environment, causing pollution and harming health. When using water alone for dust suppression during blasting, the water mist cannot cover the entire dust-generating area or completely conceal the entire dust-generating process. Therefore, the dust suppression and reduction effects of simply using water curtains or water mists during blasting are generally limited.

[0003] To address the aforementioned issues, a dust suppression device for open-pit mine blasting is proposed. Utility Model Content

[0004] The purpose of this utility model is to provide a dust suppression device for open-pit mine blasting to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an open-pit mine blasting dust suppression device, comprising a bubble-making pool, a chemical reaction substance cup, and a sliding rail.

[0006] The foaming tank is a rectangular container with its opening facing upwards, which holds the foaming liquid matrix.

[0007] The sliding rail includes a first sliding rail and a second sliding rail, which are symmetrically installed on the opening surface of the bubble-making tank.

[0008] The first and second sliding rails are arranged in a figure-eight shape, and the distance between the first and second sliding rails gradually increases along the two opposite sides of the bubble-making pool.

[0009] The end where the first sliding rail and the second sliding rail are closer together is the first end, and the end where the first sliding rail and the second sliding rail are farther apart is the second end. The first end can support the chemical reaction substance cup, and the second end can allow the chemical reaction substance cup to fall into the bubble-making pool.

[0010] A first slot and a second slot, symmetrically positioned, are respectively installed at the first end of the first sliding rail and the second sliding rail.

[0011] The chemical reaction substance cup is equipped with a first locking post and a second locking post corresponding to the first and second locking posts, respectively. When the chemical reaction substance cup is in a static state, it is fixed to the first and second locking posts at the first end by the first and second locking posts, respectively. When the static state of the chemical reaction substance cup is broken, the first and second locking posts disengage from the first and second locking posts, and the chemical reaction substance cup slides from the first end to the second end on the sliding rail and then falls into the bubble-making pool.

[0012] Furthermore, the chemical reaction substance cup is a narrow-mouthed, closed conical cup.

[0013] Furthermore, both the bubble-making tank and the sliding rail are made of plastic.

[0014] Furthermore, the sliding rail and the foaming tank are connected by an adhesive, or the sliding rail and the foaming tank are an integral structure.

[0015] Furthermore, both the first and second sliding rails are inclined downwards along the two opposite sides of the bubble-making tank.

[0016] Furthermore, the first and second locking posts are respectively connected to the chemical reaction substance cup by adhesive, or the first and second locking posts and the chemical reaction substance cup adopt an integrated structural design.

[0017] Furthermore, the dust suppression device also includes a fixing device for fixing the foaming pool within the blasting area.

[0018] Analysis reveals that this utility model discloses an open-pit mine blasting dust suppression device, comprising a foaming tank, a chemical reaction substance cup, and a sliding rail. The foaming tank is an upward-facing rectangular container holding a foaming liquid matrix, providing a reactive container for the foaming liquid matrix. The sliding rail includes a first sliding rail and a second sliding rail, which are symmetrically installed on the opening surface of the foaming tank. The first and second sliding rails form a figure-eight structure, and the distance between the first and second sliding rails gradually increases along the two opposite sides of the foaming tank. The end closer to the first sliding rail and the second sliding rail is the first end, and the end farther apart is the second end. The first end supports the chemical reaction substance cup, and the second end allows the chemical reaction substance cup to fall into the foaming tank. The first end ensures that during the preparation stage, the solution in the chemical reaction substance cup will not come into contact with the foaming liquid matrix in the foaming tank and react. After impact, the chemical reaction substance cup will slide along the sliding rail. Due to the increased distance between the first and second sliding rails, the chemical reaction substance cup eventually falls into the foaming tank, whereby the solution reacts chemically with the foaming liquid matrix. A first slot and a second slot, symmetrically positioned, are installed at the first ends of the first and second sliding rails, respectively. The chemical reaction substance cup is equipped with a first post and a second post, corresponding to the first and second slots, respectively. When the chemical reaction substance cup is in a static state, it is fixed to the first and second slots at the first end by the first and second posts, respectively. Upon breaking, the first and second locking posts disengage from the first and second locking slots, and the chemical reaction substance cup slides from the first end to the second end on the sliding rail and falls into the foaming tank. Through the cooperation of the locking posts and the locking slots, it is ensured that the chemical reaction substance cup will not tilt or turn upside down during the preparation stage, avoiding the reaction between the solution and the foaming liquid matrix before the explosion, thus improving the stability of the device. After being subjected to the explosive impact, the locking posts will disengage from the locking slots, allowing the chemical reaction substance cup to slide on the sliding rail, thereby enabling the subsequent chemical reaction to proceed smoothly.

[0019] Compared with the closest existing technology, the technical solution provided by this utility model has the following advantages:

[0020] The current method of using water alone for blasting dust suppression in open-pit mines is limited because water mist cannot cover the entire dust-generating area and cannot completely cover the entire blasting dust suppression process. Therefore, the dust suppression effect of simply using water curtains and water mist during blasting is generally limited. This invention provides an open-pit mine blasting dust suppression device that can directly act on the blasting area. It generates foam through a foaming liquid matrix in a foaming tank, and then transports the chemical solution in the chemical reaction substance cup to the foaming tank via a sliding rail to generate bubbles. The foam is then blown to capture blasting dust. Compared to using water for dust suppression, this invention uses foam instead of water. Microscopically, it can increase the dust collection area of ​​the foam and enhance the dust collection capacity. Macroscopically, it can act on the entire blasting dust suppression process, increase the dust collection range, and extend the dust collection time. Attached Figure Description

[0021] Figure 1 This is a side view of the open-pit mine blasting dust suppression device, an example of this utility model.

[0022] Figure 2 This is a top view of the open-pit mine blasting dust suppression device, an example of this utility model.

[0023] Figure 3 This is a front view of the open-pit mine blasting dust suppression device, an example of this utility model.

[0024] Figure 4 This is a schematic diagram of the starting position of the conical cup in the open-pit mine blasting dust suppression device, an example of this utility model.

[0025] Figure 5 This is a schematic diagram of the cone cup starting to slide in the open-pit mine blasting dust suppression device, an example of this utility model.

[0026] Figure 6 This is a schematic diagram of the cone cup of the open-pit mine blasting dust suppression device being flipped into the bubble-making pool, as an example of this utility model.

[0027] Figure 7 This is a partial schematic diagram of the installation position of the conical cup in the open-pit mine blasting dust suppression device, an example of this utility model.

[0028] In the diagram: 1. Foaming agent volume; 2. Chemical reagent container; 3. Outer shell; 4. Foaming agent filling port; 5. Drug filling tube placement port; 6. Crushing device. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] It should be noted that in the description of this utility model, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0031] Furthermore, it should be understood that, for ease of description, the dimensions of the various components shown in the accompanying drawings are not drawn to actual scale.

[0032] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined or described in one figure, it will not need to be discussed or described in detail in the description of the subsequent figures.

[0033] like Figures 1 to 7 As shown, this utility model provides a technical solution: an open-pit mine blasting dust suppression device, including a bubble-making pool 1, a chemical reaction substance cup and a sliding rail;

[0034] The foaming tank 1 is a rectangular container with its opening facing upwards, which holds the foaming liquid matrix. The foaming tank 1 is made of plastic rectangular container, which serves three purposes: first, to provide a container for the foaming liquid matrix; second, to facilitate the placement of the foaming tank 1 within the blasting area; and third, to reduce costs due to its low cost and ability to be mass-produced in batches.

[0035] In this embodiment, the foaming liquid matrix consists of water, hydrogen peroxide, potassium iodide solution, and glycerol.

[0036] The sliding rail includes a first sliding rail 2 and a second sliding rail 3. The first sliding rail 2 and the second sliding rail 3 are symmetrically installed on the opening surface of the bubble-making tank 1. The first sliding rail 2 and the second sliding rail 3 form a V-shaped structure. The distance between the first sliding rail 2 and the second sliding rail 3 gradually increases along the two opposite sides of the bubble-making tank 1. The end where the distance between the first sliding rail 2 and the second sliding rail 3 is closer is the first end, and the end where the distance between the first sliding rail 2 and the second sliding rail 3 is farther is the second end. The first end can support the chemical reaction substance cup, and the second end can allow the chemical reaction substance cup to fall into the bubble-making tank 1.

[0037] The reason for installing the first sliding rail 2 and the second sliding rail 3 in a figure-eight shape is that the premise for this device to ensure that the solution in the chemical reactant cup can come into contact with the foaming liquid matrix in the foaming tank 1 is that the chemical reactant cup can fall smoothly into the foaming tank 1. Installing the sliding rails in a figure-eight shape not only satisfies the condition that the solution will not come into premature contact with the foaming liquid matrix at the first end during the preparation stage, but also ensures that the chemical reactant cup can fall smoothly into the foaming tank 1 when the device is subjected to explosive impact, thereby allowing the solution to come into contact with the foaming liquid matrix and undergo a chemical reaction. This improves the stability of the device before operation and ensures the smoothness and automation of the device during operation.

[0038] In this embodiment, the solution in the chemical reaction vessel is a potassium iodide solution.

[0039] like Figures 1 to 3 As shown, a first slot 4 and a second slot 5, symmetrically positioned, are installed at the first ends of the first sliding rail 2 and the second sliding rail 3, respectively. A first locking post 6 and a second locking post 7, corresponding to the first slot 4 and the second slot 5, are installed on the chemical reaction substance cup. When the chemical reaction substance cup is in a static state, it is fixed to the first slot 4 and the second slot 5 at the first end by the first locking post 6 and the second locking post 7, respectively. When the static state of the chemical reaction substance cup is broken, the first locking post 6 and the second locking post 7 disengage from the first slot 4 and the second slot 5, and the chemical reaction substance cup slides from the first end to the second end on the sliding rail and falls into the bubble-forming tank 1. By fixing the chemical reaction substance cup on the sliding rail by the first locking post 6 and the second locking post 7, it is ensured that the chemical reaction substance cup will not fall into the bubble-forming tank 1 during the preparation stage, thereby allowing the solution in the chemical reaction substance cup to contact and react with the bubble-forming liquid matrix in advance, further improving the reliability of the device.

[0040] Preferably, in this embodiment, the chemical reaction substance cup is a narrow-mouthed, closed conical cup 8. The advantage of using a conical cup 8 is that when the conical cup 8 is suspended, it will tip over or turn upside down if subjected to a slight explosive impact. This ensures that the solution reacts with the foaming liquid matrix before the dust has completely dispersed, allowing the foam to capture the dust in time and making the device more sensitive.

[0041] Preferably, both the bubble-making tank 1 and the sliding rail are made of plastic. Since this device is disposable, using plastic not only reduces the cost of the device, but also allows for mass production through molds.

[0042] Preferably, the sliding rail and the foaming tank 1 are connected by an adhesive, or the sliding rail and the foaming tank 1 are an integral structure.

[0043] If adhesive is used to connect the sliding rail to the bubble-making tank 1, the advantage is that it can be assembled accordingly, and each device can be produced modularly, improving the flexibility and convenience of the device. If the sliding rail and bubble-making tank 1 are designed as a single unit, the stability of the device can be improved. Regardless of the method, the cost of this device is relatively low, and mass production can be achieved.

[0044] Preferably, the first sliding rail 2 and the second sliding rail 3 are both inclined downward along the two opposite sides of the bubble-making tank 1.

[0045] The first sliding rail 2 and the second sliding rail 3 have a certain tilt angle, so that when the chemical reaction substance cup is subjected to explosive impact and detaches from the first clamping post 6 and the second clamping post 7, it can slide more smoothly to the second end of the sliding rail, thereby improving the smoothness of the device during operation.

[0046] Preferably, the first locking post 6 and the second locking post 7 are connected to the chemical reaction substance cup by adhesive, or the first locking post 6, the second locking post 7 and the chemical reaction substance cup are designed as an integral structure, which is also to improve the stability of the device.

[0047] More preferably, the dust suppression device further includes a fixing device for fixing the foaming tank 1 within the blasting area. Fixing the device with the fixing device allows it to adapt to blasting areas in different environments, further improving the device's stability.

[0048] The specific process of using this device to suppress blasting dust in open-pit mine blasting areas is as follows:

[0049] During the preparation phase, based on the site conditions, a certain number of these devices are deployed within the blasting area. Calculated amounts of water, hydrogen peroxide, potassium iodide solution, and glycerin are sequentially added to the bubble-generating tank 1 of each device. Potassium iodide solution is then added to the conical cup 8, and the conical cup 8 is mounted on the first end of the sliding rail via the first locking post 6 and the second locking post 7 in the first locking slot 4 and the second locking slot 5. During the operation phase, the blasting area vibrates violently due to the explosive force. The first locking post 6 and the second locking post 7 of the conical cup 8 disengage from the first locking slot 4 and the second locking slot 5, respectively, and slide from the first end to the second end on the sliding rail. When the conical cup 8 slides to the second end, due to… The distance between the first sliding rail 2 and the second sliding rail 3 increases, and the conical cup 8 falls into the bubble-making pool 1. The potassium iodide solution reacts with hydrogen peroxide to produce a large amount of oxygen. The oxygen blows the aqueous solution containing detergent and glycerin to produce a large number of dense bubbles. The bubbles quickly overflow, adsorb and wrap the surrounding dust, and stick to the surface of the gravel to suppress dust. In addition, this device will also be thrown upward along with the surface rock of the blasting area, which can act on the dust in the upper part. Furthermore, the unbubbled solution containing detergent and glycerin and the foam that have broken and returned to a liquid state will generate bubbles again under the action of blasting vibration, shock wave and gas, and further carry out dust suppression.

[0050] In summary, this utility model achieves the following technical effects:

[0051] 1) This utility model uses foam generated by chemical reaction to suppress explosion dust. Compared with using water to suppress dust, the foam surface is more conducive to the adsorption of some hydrophobic dust, which improves the adsorption capacity of hydrophobic dust, prolongs the dust collection time, expands the dust collection space, and suppresses the generation and dispersion range of dust.

[0052] 2) This utility model can be placed on the surface of the blasting area to suppress and reduce dust on the surface of the blasting area. In addition, as the explosive is thrown, the device foams and is thrown into the air along with the generated dust, thus collecting the dust in the middle and upper part of the blasting dust zone.

[0053] 3) This utility model uses a figure-eight sliding rail to control the contact between the solution in the chemical reaction substance cup and the foaming liquid matrix, which can realize the automatic generation of a large amount of gas in a short time and blow to produce a large amount of foam.

[0054] 4) This utility model uses the first slot 4 and the second slot 5 to fix the first locking post 6 and the second locking post 7 on the chemical reaction substance cup, which improves the stability of the device before operation and avoids the solution and foaming liquid matrix from reacting prematurely, thus affecting the dust suppression effect of the device.

[0055] 5) This utility model uses two independent containers, a bubble-forming tank 1 and a chemical reaction substance cup, to hold the bubble-forming liquid matrix and the chemical reaction substance respectively. The two solutions come into contact due to the explosion impact, ensuring the timeliness of dust suppression of the device. As the explosion occurs, the dust suppression process also begins.

[0056] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dust suppression device for open-pit mine blasting, characterized in that, Includes a bubble-making tank, a chemical reaction substance cup, and a sliding rail; The foaming tank is a rectangular container with its opening facing upwards, which holds the foaming liquid matrix; The sliding rail includes a first sliding rail and a second sliding rail, which are symmetrically installed on the opening surface of the foaming tank; The first and second sliding rails are arranged in a figure-eight shape, and the distance between the first and second sliding rails gradually increases along the two opposite sides of the bubble-making tank. The end where the first and second sliding rails are closer together is the first end, and the end where the first and second sliding rails are farther apart is the second end. The first end can support the chemical reaction substance cup, and the second end can allow the chemical reaction substance cup to fall into the bubble-making tank. A first slot and a second slot, symmetrically positioned, are respectively installed at the first end of the first sliding rail and the second sliding rail. The chemical reaction substance cup is equipped with a first locking post and a second locking post corresponding to the first and second locking posts, respectively. When the chemical reaction substance cup is in a static state, it is fixed to the first and second locking posts at the first end by the first and second locking posts, respectively. When the static state of the chemical reaction substance cup is broken, the first and second locking posts disengage from the first and second locking posts, and the chemical reaction substance cup slides from the first end to the second end on the sliding rail and then falls into the bubble-making pool.

2. The dust suppression device according to claim 1, characterized in that, The chemical reaction substance cup is a narrow-mouthed, closed conical cup.

3. The dust suppression device according to claim 1, characterized in that, Both the foaming tank and the sliding rail are made of plastic.

4. The dust suppression device according to claim 1, characterized in that, The sliding rail and the foaming tank are connected by adhesive, or the sliding rail and the foaming tank are an integral structure.

5. The dust suppression device according to claim 1, characterized in that, The first and second sliding rails are both inclined downwards along the two opposite sides of the foaming tank.

6. The dust suppression device according to claim 1, characterized in that, The first and second locking posts are connected to the chemical reaction substance cup by adhesive, or the first and second locking posts and the chemical reaction substance cup are designed as an integral structure.

7. The dust suppression device according to claim 1, characterized in that, It also includes a fixing device for fixing the foaming pool within the blasting area.

Images