CN213235113U

CN213235113U - Dust keeper for coal mining

Info

Publication number: CN213235113U
Application number: CN202021674645.0U
Authority: CN
Inventors: 杨栋; 黄福将; 王小东; 马加国; 王冲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-05-18
Anticipated expiration: 2030-08-12

Abstract

The utility model discloses a dust keeper is adopted in coal mining, including dust removal case, observation window, fixed station, supporting legs, air outlet, rectangular cavity, stopper, balancing weight, wind-guiding cavity, blast fan leaf, air inlet bucket, first filter screen, second filter screen, circulating pump, circulating pipe, first ventilation pipe, first air-blower, second ventilation pipe, shunt tubes second air-blower, support, water guide dish, cooling cascade and axis of rotation, the dust removal case is installed the upper portion of fixed station, the supporting legs is installed respectively to four footing equidistant in the bottom of fixed station, a circular port has been seted up at the middle part of fixed station. Through setting up two air inlet bucket structures, can accelerate air inlet speed, can carry out filtration treatment to the air that lets in through first filter screen and second filter screen, adsorb large-scale granule and dust, improve dust collection efficiency, applicable coal mining under various conditions.

Description

Dust keeper for coal mining

Technical Field

The application relates to a dust keeper, specifically is a dust keeper is used in coal mining.

Background

Coal mines are reasonable spaces excavated by humans when excavating geological formations rich in coal and generally include roadways, wells, and mining surfaces, among others. Coal is the most predominant solid fuel, one of the flammable organic rocks. It is formed by that the flourishing plants grown in a certain geologic age are gradually piled up into a thick layer in a proper geologic environment, and are buried in the water bottom or silt, and then are subjected to the natural coalification action in a long geologic age.

In the process of mining, various particles and impurities are adsorbed to the air under the mine to a large extent, the adsorption into the human body can cause respiratory tract infection to affect the working efficiency, and some dustproof devices can not filter dust well. Therefore, a dust-proof device for coal mining is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

A dust-proof device for coal mining comprises a dust removing box, a fixed platform, an air guide mechanism and a circulating structure, wherein the air guide mechanism comprises an air guide cavity, a blast fan blade, an air inlet barrel, a first air blower and a flow dividing pipe, and the circulating structure comprises a circulating pump, a circulating water pipe, a support, a water guide disc and a cooling water curtain;

the dust removal box is installed on the upper portion of the fixed table, supporting legs are respectively installed on four bottom feet of the bottom of the fixed table at equal intervals, a circular hole is formed in the middle of the fixed table, a balancing weight is installed on the upper portion of the dust removal box, a first air blower is installed on the upper portion of the balancing weight, an air guide cavity is welded beside the balancing weight, an air inlet barrel is installed on the upper portion of the air guide cavity, a rotating shaft is installed in the middle of an inner cavity of the air inlet barrel, a blowing fan blade is sleeved on the end portion of one outward side of the rotating shaft, one section of the first air blower extends to the inner cavity of the air guide cavity, the other end of the first air blower penetrates through the balancing weight and the dust removal box in;

the lower extreme of shunt tubes has set gradually first filter screen and second filter screen down from last, the lower part of second filter screen is provided with the cooling cascade, the water guide dish is installed to the lower part of cooling cascade, the support is installed to the inner chamber bottom intermediate position of dust removal case, the inside of support is circular cavity, fixed connection between the upper end of support and the water guide dish, install circulating pipe in the cavity of support, circulating pipe's one end is installed in the support to the rigid coupling is at the low side middle part of water guide dish, circulating pipe keeps away from the bottom that the water guide dish runs through the dust removal case to threaded connection has the one end of circulating pump, the other end of circulating pump and the one end threaded connection of cooling cascade.

Furthermore, the surface joint of dust removal case has the observation window, the observation window is the glass material.

Further, two rectangular cavities are formed in the side wall of the dust removal box, limiting blocks are welded to the upper position and the lower position of each rectangular cavity respectively, and a first filter screen and a second filter screen are inserted into the limiting blocks respectively.

Further, the bottom of dust removal case has seted up the circular port with the fixed station equidimension, the bottom threaded connection of dust removal case has the air outlet, the bottom threaded connection of air outlet has first ventilation pipe, the other end threaded connection of first ventilation pipe has the one end of second air-blower, the other end threaded connection of second air-blower has the second ventilation pipe.

Furthermore, the air guide mechanism is provided with two groups in total, and the two groups are symmetrically arranged on the balancing weight.

Furthermore, the blast fan blade and the rotating shaft are fixedly connected and are of detachable structures.

The beneficial effect of this application is: the application provides a dust keeper is used in coal mining.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present application;

fig. 3 is an enlarged schematic structural diagram of a portion a of fig. 2 according to an embodiment of the present application.

In the figure: 1. dust removal case, 2, observation window, 3, fixed station, 4, supporting legs, 5, air outlet, 6, rectangular cavity, 7, stopper, 8, balancing weight, 9, wind-guiding cavity, 10, blast fan leaf, 11, air inlet bucket, 12, first filter screen, 13, second filter screen, 14, circulating pump, 15, circulating pipe, 16, first ventilation pipe, 17, first air-blower, 18, second ventilation pipe, 19, shunt tubes, 20, second air-blower, 21, support, 22, water guide disc, 23, cooling cascade, 24, axis of rotation.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-3, a dust-proof device for coal mining comprises a dust-removing box 1, a fixed platform 3, an air guide mechanism and a circulation structure, wherein the air guide mechanism comprises an air guide cavity 9, a blast fan blade 10, an air inlet barrel 11, a first blower 17 and a shunt tube 19, and the circulation structure comprises a circulation pump 14, a circulation water pipe 15, a support 21, a water guide disc 22 and a cooling water curtain 23;

the dust removal box 1 is installed on the upper portion of the fixed table 3, supporting legs 4 are respectively installed on four bottom feet of the bottom of the fixed table 3 at equal intervals, a circular hole is formed in the middle of the fixed table 3, a balancing weight 8 is installed on the upper portion of the dust removal box 1, a first air blower 17 is installed on the upper portion of the balancing weight 8, an air guide cavity 9 is welded beside the balancing weight 8, an air inlet barrel 11 is installed on the upper portion of the air guide cavity 9, a rotating shaft 24 is installed in the middle of an inner cavity of the air inlet barrel 11, a blowing fan blade 10 is sleeved on the end portion of the outward side of the rotating shaft 24, one section of the first air blower 17 extends to the inner cavity of the air guide cavity 9, the other end of the first air blower 17 sequentially penetrates through the balancing weight 8 and the dust removal box 1 and extends;

the lower extreme of shunt tubes 19 is from last to having set gradually first filter screen 12 and second filter screen 13 down, the lower part of second filter screen 13 is provided with cooling cascade 23, water guide dish 22 is installed to cooling cascade 23's lower part, support 21 is installed to the inner chamber bottom middle part position of dust removal case 1, the inside of support 21 is circular cavity, fixed connection between support 21's upper end and the water guide dish 22, install circulating pipe 15 in support 21's the cavity, circulating pipe 15's one end is installed in support 21 to the rigid coupling is at the low side middle part of water guide dish 22, circulating pipe 15 keeps away from the one end of water guide dish 22 and runs through the bottom of dust removal case 1 to threaded connection has the one end of circulating pump 14, the other end of circulating pump 14 and the one end threaded connection of cooling cascade 23.

An observation window 2 is clamped on the surface of the dust removal box 1, and the observation window 2 is made of glass; two rectangular cavities 6 are formed in the side wall of the dust removing box 1, limiting blocks 7 are welded at the upper position and the lower position of each rectangular cavity 6 respectively, and a first filter screen 12 and a second filter screen 13 are inserted into each limiting block 7; a circular hole with the same size as the fixed table 3 is formed in the bottom of the dust removing box 1, an air outlet 5 is in threaded connection with the bottom of the dust removing box 1, a first ventilation pipe 16 is in threaded connection with the bottom of the air outlet 5, the other end of the first ventilation pipe 16 is in threaded connection with one end of a second air blower 20, and the other end of the second air blower 20 is in threaded connection with a second ventilation pipe 18; the air guide mechanisms are provided with two groups in total, and the two groups are mutually and symmetrically arranged on the balancing weight 8; the blast fan blade 10 and the rotating shaft 24 are fixedly connected and are of detachable structures.

When the device is used, the device is firstly placed in a mine, then a circulating pump 14, a first air blower 17 and a second air blower 20 are turned on, the device starts to operate, air enters from an air inlet barrel 11 at the top through air pressure, and is sequentially discharged into an inner cavity of a dust removal box 1 through a flow dividing pipe 19 through the rotation of a blower blade 10, the air firstly passes through a first filter screen 12, the first filter screen 12 filters large-particle dust and bugs in the air, then passes through a second filter screen 13 and the second filter screen 13 to filter fine particles in the air, then passes through a cooling water curtain 23 at the lower part, adsorption liquid discharged by the circulating pump 14 is arranged in the cooling water curtain 23, soluble impurities are cleaned and adsorbed, the adsorption liquid flows into a water guide disc 22 at the lower end, and is recycled through a support 21 and the circulating pump 14, the dedusted air passes through the second blower 20 and is discharged through the first and

second ventilation ducts

16 and 18 in sequence, thereby providing fresh air to the worker and slightly lowering the ambient temperature.

The application has the advantages that:

1. the device is reasonable in design and simple in operation, the air inlet speed can be increased by arranging the two air inlet barrel structures, the introduced air can be filtered through the first filter screen and the second filter screen, large particles and dust are adsorbed, the dust removal efficiency is improved, and the device is suitable for coal mining under various conditions;

2. through setting up circulating pump, circulating pipe, support, water guide dish and cooling cascade structure, not only can clean the air after the prefilter, wash soluble particle, can also cool down to the inside of whole dust removal case through circulation structure to reduce the exploitation temperature under the mine, improve operational environment's travelling comfort.

As the related circuits and electronic components and modules are prior art, they are not described in this document.

The circulating pump 14 is a 550 model, and related matched power supply and circuit thereof, produced by Nanyang Dinghao electronic technology Limited.

The first blower 17 and the second blower 20 are of model 130FLJ manufactured by hong kong electromechanical limited, zhejiang and related matched power supply and circuit.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

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

1. The utility model provides a dust keeper for coal mining which characterized in that: the air guide mechanism comprises an air guide cavity (9), a blast fan blade (10), an air inlet barrel (11), a first air blower (17) and a flow dividing pipe (19), and the circulating structure comprises a circulating pump (14), a circulating water pipe (15), a support (21), a water guide disc (22) and a cooling water curtain (23);

the utility model discloses a dust removal box, including fixed station (3), supporting legs (4) are installed respectively to dust removal case (1) install the upper portion of fixed station (3), four footing equidistant supporting legs (4) are installed respectively in the bottom of fixed station (3), a circular port has been seted up at the middle part of fixed station (3), balancing weight (8) are installed on the upper portion of dust removal case (1), first air-blower (17) are installed on the upper portion of balancing weight (8), the next door welding of balancing weight (8) has wind-guiding cavity (9), air inlet bucket (11) are installed on the upper portion of wind-guiding cavity (9), axis of rotation (24) are installed to the inner chamber middle part position of air inlet bucket (11), drum fan leaf (10) have been cup jointed to the tip of the outside one side of axis of rotation (24), one section of first air-blower (17) extends to the inner chamber of wind-guiding cavity (9), the other, and extends to the inner cavity of the dust removing box (1) and is connected with a shunt pipe (19) through a thread;

the lower extreme of shunt tubes (19) is from last to having set gradually first filter screen (12) and second filter screen (13) down, the lower part of second filter screen (13) is provided with cooling cascade (23), water guide dish (22) is installed to the lower part of cooling cascade (23), support (21) are installed to the inner chamber bottom intermediate position of dust removal case (1), the inside of support (21) is circular cavity, fixed connection between the upper end of support (21) and water guide dish (22), install circulating pipe (15) in the cavity of support (21), install in support (21) the one end of circulating pipe (15) to the rigid coupling is at the low side middle part of water guide dish (22), the one end that water guide dish (22) was kept away from in circulating pipe (15) runs through the bottom of dust removal case (1) to threaded connection has the one end of circulating pump (14), the other end of the circulating pump (14) is in threaded connection with one end of the cooling water curtain (23).

2. The coal mining dust prevention device according to claim 1, characterized in that: the surface joint of dust removal case (1) has observation window (2), observation window (2) are the glass material.

3. The coal mining dust prevention device according to claim 1, characterized in that: two rectangular cavities (6) have been seted up to the lateral wall of dust removal case (1), stopper (7) have been welded respectively to the upper and lower position in rectangular cavity (6), it has first filter screen (12) and second filter screen (13) to peg graft respectively on stopper (7).

4. The coal mining dust prevention device according to claim 1, characterized in that: the bottom of dust removal case (1) is seted up with fixed station (3) equidimension circular port, the bottom threaded connection of dust removal case (1) has air outlet (5), the bottom threaded connection of air outlet (5) has first ventilation pipe (16), the other end threaded connection of first ventilation pipe (16) has the one end of second air-blower (20), the other end threaded connection of second air-blower (20) has second ventilation pipe (18).

5. The coal mining dust prevention device according to claim 1, characterized in that: the air guide mechanisms are provided with two groups in total, and the two groups are symmetrically arranged on the balancing weight (8).

6. The coal mining dust prevention device according to claim 1, characterized in that: the blast fan blade (10) and the rotating shaft (24) are fixedly connected and are of detachable structures.