Annular spraying device for dust suppression of ship loader chute tube

Abstract

The utility model relates to the technical field of ship loader chute tube dust suppression, and discloses an annular spraying device for ship loader chute tube dust suppression, which comprises a coal ash pipeline and a water inlet pipe, a dust falling mechanism is arranged on the outer side of the coal ash pipeline, a limiting mechanism is arranged on the outer side of the coal ash pipeline, and the dust falling mechanism comprises a dust falling assembly and a water passing assembly. The water passing assembly is arranged on the outer side of the dust falling assembly. According to the device, water in each layer can be independently controlled to be switched on and switched off, the flow can be independently controlled, the purposes of single-layer water outlet and controllable water outlet flow are achieved, the spraying angle is designed to be 45 degrees, 60 degrees and 90 degrees, water mist can completely cover a coal falling area, the contact area between the water mist and coal particles is increased, and the dust suppression effect is achieved; and the spray head can be screwed off, and the damaged spray head can be independently replaced, so that the outer-diameter water pipe cannot be separated from the interior of the limiting groove of the spray water pipe bracket due to vibration in the water spraying process.

Description

Technical Field

[0001] The utility model relates to the technical field of dust suppression on a ship loader chute, in particular to an annular spraying device used for dust suppression on a ship loader chute. Background Art

[0002] The main type of coal loaded in the loading operation of SDIC Meizhou Bay Port is Indonesian coal, which has the characteristics of large coal blocks, light specific gravity, many fine coal particles, oleophilicity and hydrophobicity, etc. During the loading process, the coal falls into the downstream throwing shovel along the chute, collides with the subsequent materials after releasing the potential energy, and scatters irregularly to the surroundings, causing serious dust problems.

[0003] During use, the existing annular spray device for dust suppression on the chute of a ship loader performs dust suppression operations such as spraying, micro-mist, and dry fog on the dust through the set nozzles. However, in actual use, the dust suppression operations such as spraying, micro-mist, and dry fog are generally single-sided dust suppression, resulting in a small dust suppression area and poor dust suppression effect. Therefore, it is necessary to improve an annular spray device for dust suppression on the chute of a ship loader to solve the above problems. Utility Model Content

[0004] The utility model aims to provide an annular spraying device for dust suppression of a ship loader chute, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an annular spraying device for suppressing dust in a ship loader chute, comprising a coal ash pipe and a water inlet pipe, a dust suppression mechanism is arranged on the outside of the coal ash pipe, and a limiting mechanism is arranged on the outside of the coal ash pipe;

[0006] The dust reduction mechanism comprises a dust reduction component and a water flow component, and the water flow component is arranged outside the dust reduction component.

[0007] Preferably, the dust reduction component includes a spray water pipe bracket, the spray water pipe bracket is fixedly installed on the outside of the coal ash pipe, an outer diameter water pipe is arranged inside the spray water pipe bracket, a flange is arranged on the outside of the outer diameter water pipe, a fog cannon is arranged at the bottom of the flange, an external threaded pipe is fixedly installed on the outside of the flange, a nozzle is threadedly installed on the outside of the external threaded pipe, a three-way joint is arranged on the outside of the outer diameter water pipe, and the spray angle is designed to be forty-five degrees, sixty degrees and ninety degrees, so that the water mist can completely cover the falling area of ​​the coal, increase the contact area between the water mist and the coal particles to achieve the effect of dust suppression, and the nozzle can be unscrewed, and the damaged nozzle can be replaced individually.

[0008] Preferably, the outer diameter water pipe is provided with four layers, a fog cannon is provided on the outside of the top outer diameter water pipe, and the remaining three layers are provided with external threaded pipes and nozzles, and are respectively arranged on the outside of the outer diameter water pipe at forty-five degrees, sixty degrees and ninety degrees, and the flange and three-way joint are provided in four groups, and are linearly distributed on the front of the spray water pipe bracket, and the spray angle is designed to be forty-five degrees, sixty degrees and ninety degrees, so that the water mist can completely cover the falling area of ​​the coal.

[0009] Preferably, the water-passing assembly includes two three-way joints, which are arranged on the outside of the water inlet pipe, a water-passing pipe is arranged inside the right side of the two three-way joints, an internal threaded valve is arranged on the outside of the water-passing pipe, a valve switch is arranged on the top of the internal threaded valve, an internal threaded elbow is arranged at the bottom of the water inlet pipe, and an internal threaded flexible joint is arranged on the outside of the water inlet pipe, so that the water of each layer can be controlled on and off individually, and the flow rate can be controlled individually, so as to achieve the purpose of controllable water outlet and water outlet flow of a single layer.

[0010] Preferably, the water pipes, internal valves and valve switches are provided in four groups and are linearly distributed on the front of the spray water pipe bracket, and each water pipe is arranged on the inner side of a three-way joint, so that single-layer water outlet and controllable water outlet flow can be achieved.

[0011] Preferably, the limiting mechanism includes a mounting seat, which is fixedly mounted on the front side of the spray water pipe bracket, a rotating shaft is rotatably mounted inside the mounting seat, a limiting plate is fixedly mounted on the outside of the rotating shaft, bolts are arranged inside the limiting plate, and the limiting plate is fixedly mounted on the surface of the spray water pipe bracket by bolts, so that the outer diameter water pipe will not detach from the limiting groove of the spray water pipe bracket due to vibration during the water spraying process, thereby maintaining the stability of the outer diameter water pipe spraying.

[0012] Preferably, threaded holes are provided at positions corresponding to the bolts in the spray water pipe bracket, and through holes are provided at positions corresponding to the bolts in the limiting plate, and the bolts are threadedly installed inside the spray water pipe bracket through the through holes. The limiting mechanism is provided in four groups and is symmetrically distributed about the center line of the front face of the spray water pipe bracket, so that the outer diameter water pipe will not detach from the limiting groove of the spray water pipe bracket due to vibration during the water spraying process.

[0013] Compared with the prior art, the utility model provides an annular spraying device for dust suppression in a ship loader chute, which has the following beneficial effects:

[0014] 1. The annular spray device for dust suppression of the ship loader chute has a dust suppression mechanism. During use, the water of each layer can be individually controlled to switch on and off, and the flow rate can be individually controlled, so that the water outlet and the water flow rate of each layer can be controlled. The spray angle is designed to be 45 degrees, 60 degrees and 90 degrees, so that the water mist can completely cover the falling area of ​​the coal, increase the contact area between the water mist and the coal particles to achieve the dust suppression effect, and the nozzle can be unscrewed, and the damaged nozzle can be replaced separately.

[0015] 2. The annular spray device for dust suppression of the ship loader chute has a limiting mechanism. During use, the limiting plate is fixed to the surface of the spray water pipe bracket by bolts, so that the outer diameter water pipe will not be detached from the limiting groove of the spray water pipe bracket due to vibration during the water spraying process, thereby maintaining the stability of the outer diameter water pipe spraying. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0017] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the appearance and structure of the dust reduction mechanism of the utility model;

[0019] Figure 3 This is a schematic diagram of the exploded structure of the dust suppression component of the utility model;

[0020] Figure 4 This is a schematic diagram of the appearance structure of the water-passing component of the utility model;

[0021] Figure 5 The figure is a schematic diagram of the appearance structure of the limiting mechanism of the utility model.

[0022] In the figure: 1. coal ash pipeline; 2. water inlet pipe; 3. dust suppression mechanism; 31. dust suppression assembly; 311. spray water pipe bracket; 312. outer diameter water pipe; 313. flange; 314. fog cannon; 315. external threaded pipe; 316. nozzle; 317. three-way joint one; 32. water supply assembly; 321. three-way joint two; 322. internal thread flexible joint; 323. internal thread elbow; 324. water supply pipe; 325. internal thread valve; 326. valve switch; 4. limit mechanism; 41. mounting seat; 42. rotating shaft; 43. limit plate; 44. bolt. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Embodiment 1:

[0026] See also Figure 1-4 The utility model provides a technical solution: an annular spraying device for dust suppression of a ship loader chute, comprising a coal ash pipeline 1 and a water inlet pipe 2, a dust suppression mechanism 3 is arranged outside the coal ash pipeline 1, and a limiting mechanism 4 is arranged outside the coal ash pipeline 1;

[0027] The dust reduction mechanism 3 includes a dust reduction component 31 and a water passing component 32 , and the water passing component 32 is arranged outside the dust reduction component 31 .

[0028] Furthermore, the dust suppression component 31 includes a spray water pipe bracket 311, which is fixedly installed on the outside of the coal ash pipeline 1. An outer diameter water pipe 312 is arranged inside the spray water pipe bracket 311, a flange 313 is arranged on the outside of the outer diameter water pipe 312, a fog cannon 314 is arranged at the bottom of the flange 313, an external threaded pipe 315 is fixedly installed on the outside of the flange 313, a nozzle 316 is threadedly installed on the outside of the external threaded pipe 315, a three-way joint 317 is arranged on the outside of the outer diameter water pipe 312, and the spray angles are designed to be forty-five degrees, sixty degrees and ninety degrees, so that the water mist can completely cover the falling area of ​​the coal, increase the contact area between the water mist and the coal particles to achieve the effect of dust suppression, and the nozzle 316 can be unscrewed, and the damaged nozzle 316 can be replaced individually.

[0029] Furthermore, the outer diameter water pipe 312 is provided with four layers, and a fog cannon 314 is provided on the outside of the top outer diameter water pipe 312, and the remaining three layers are provided with external threaded pipes 315 and nozzles 316, which are respectively arranged on the outside of the outer diameter water pipe 312 at forty-five degrees, sixty degrees and ninety degrees, and four groups of flanges 313 and three-way joints 317 are provided, and are linearly distributed on the front of the spray water pipe bracket 311, and the spray angles are designed to be forty-five degrees, sixty degrees and ninety degrees, so that the water mist can completely cover the falling area of ​​the coal.

[0030] Furthermore, the water flow component 32 includes a two-way joint 321, which is arranged on the outside of the water inlet pipe 2. A water flow pipe 324 is arranged inside the right side of the two-way joint 321, an internal threaded valve 325 is arranged on the outside of the water flow pipe 324, a valve switch 326 is arranged on the top of the internal threaded valve 325, an internal threaded elbow 323 is arranged at the bottom of the water inlet pipe 2, and an internal threaded flexible joint 322 is arranged on the outside of the water inlet pipe 2, so that the water of each layer can be controlled and switched separately, and the flow rate can be controlled separately, so as to achieve the purpose of controllable water outlet and water outlet flow of a single layer.

[0031] Furthermore, four groups of water pipes 324, internal valves 325 and valve switches 326 are provided and linearly distributed on the front of the sprinkler water pipe bracket 311, and each water pipe 324 is arranged on the inner side of the three-way joint 317, so that single-layer water outlet and water outlet flow rate can be controlled.

[0032] Embodiment two:

[0033] See also Figure 5 In combination with the first embodiment, it is further obtained that the limiting mechanism 4 includes a mounting seat 41, the mounting seat 41 is fixedly mounted on the front side of the spray water pipe bracket 311, a rotating shaft 42 is rotatably mounted inside the mounting seat 41, a limiting plate 43 is fixedly mounted on the outer side of the rotating shaft 42, a bolt 44 is arranged inside the limiting plate 43, and the limiting plate 43 is fixedly mounted on the surface of the spray water pipe bracket 311 by the bolt 44, so that the outer diameter water pipe 312 will not be separated from the limiting groove of the spray water pipe bracket 311 due to vibration during the water spraying process, thereby maintaining the stability of the outer diameter water pipe 312 spraying.

[0034] Furthermore, threaded holes are opened at positions corresponding to the spray water pipe bracket 311 and the bolt 44, and through holes are opened at positions corresponding to the limit plate 43 and the bolt 44, and the bolt 44 is threadedly installed inside the spray water pipe bracket 311 through the through hole. The limiting mechanism 4 is provided with four groups, and is symmetrically distributed on the front center line of the spray water pipe bracket 311, so that the outer diameter water pipe 312 will not detach from the limiting groove of the spray water pipe bracket 311 due to vibration during the water spraying process.

[0035] In actual operation, when the device is used, when dust is suppressed, water is passed into the water pipe 324 through the water inlet pipe 2, and the valve switch 326 is turned. After the valve switch 326 is opened, the inner tooth valve 325 releases the water, so that the water of each layer can be individually controlled and switched, and the flow rate can be individually controlled, so that the purpose of controlling the water outlet and the water outlet flow of each layer can be achieved. After the water enters the outer diameter water pipe 312, it is sprayed out through the nozzle 316, and the spray angle is designed to be 45 degrees and 60 degrees. The nozzle 316 can be unscrewed, and the damaged nozzle 316 can be replaced separately. The limiting plate 43 is covered and fixedly installed on the surface of the spray water pipe bracket 311 by bolts 44, so that the outer diameter water pipe 312 will not be detached from the limiting groove of the spray water pipe bracket 311 due to vibration during the water spraying process, thereby maintaining the stability of the spraying of the outer diameter water pipe 312.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. An annular spraying device for dust suppression in a ship loader chute, comprising a fly ash pipeline (1) and a water inlet pipe (2), characterized in that: A dust reduction mechanism (3) is arranged outside the coal ash pipeline (1), and a limiting mechanism (4) is arranged outside the coal ash pipeline (1); The dust reduction mechanism (3) comprises a dust reduction component (31) and a water flow component (32), wherein the water flow component (32) is arranged outside the dust reduction component (31).

2. The annular spraying device for dust suppression in a ship loader chute according to claim 1, characterized in that: The dust suppression component (31) comprises a spray water pipe bracket (311), the spray water pipe bracket (311) is fixedly mounted on the outside of the coal ash pipeline (1), an outer diameter water pipe (312) is arranged inside the spray water pipe bracket (311), a flange (313) is arranged on the outside of the outer diameter water pipe (312), a fog cannon (314) is arranged at the bottom of the flange (313), an external threaded pipe (315) is fixedly mounted on the outside of the flange (313), a nozzle (316) is threadedly mounted on the outside of the external threaded pipe (315), and a three-way joint (317) is arranged on the outside of the outer diameter water pipe (312).

3. The annular spraying device for dust suppression in a ship loader chute according to claim 2, characterized in that: The outer diameter water pipe (312) is provided with four layers, a fog cannon (314) is provided on the outer side of the top outer diameter water pipe (312), and the remaining three layers are provided with external threaded pipes (315) and nozzles (316), which are respectively provided on the outer side of the outer diameter water pipe (312) at 45 degrees, 60 degrees and 90 degrees, and the flange (313) and the three-way joint (317) are provided with four groups, which are linearly distributed on the front side of the spray water pipe bracket (311).

4. The annular spraying device for dust suppression in a ship loader chute according to claim 2, characterized in that: The water-passing assembly (32) comprises a second three-way joint (321), the second three-way joint (321) being arranged on the outside of the water inlet pipe (2), a water-passing pipe (324) being arranged inside the right side of the second three-way joint (321), an internal thread valve (325) being arranged on the outside of the water-passing pipe (324), a valve switch (326) being arranged on the top of the internal thread valve (325), an internal thread elbow (323) being arranged on the bottom of the water inlet pipe (2), and an internal thread flexible joint (322) being arranged on the outside of the water inlet pipe (2).

5. The annular spraying device for dust suppression in a ship loader chute according to claim 4, characterized in that: The water pipes (324), internal thread valves (325) and valve switches (326) are provided in four groups and are linearly distributed on the front of the spray water pipe support (311), and each water pipe (324) is provided on the inner side of the three-way connector (317).

6. The annular spraying device for dust suppression in a ship loader chute according to claim 2, characterized in that: The limiting mechanism (4) comprises a mounting seat (41), the mounting seat (41) being fixedly mounted on the front side of the spray water pipe bracket (311), a rotating shaft (42) being rotatably mounted inside the mounting seat (41), a limiting plate (43) being fixedly mounted outside the rotating shaft (42), and a bolt (44) being arranged inside the limiting plate (43).

7. The annular spraying device for dust suppression in a ship loader chute according to claim 6, characterized in that: The spray water pipe bracket (311) is provided with threaded holes at positions corresponding to the bolts (44), and the limiting plate (43) is provided with through holes at positions corresponding to the bolts (44), and the bolts (44) are threadedly installed inside the spray water pipe bracket (311) through the through holes, and the limiting mechanisms (4) are provided with four groups, which are symmetrically distributed at the front center line of the spray water pipe bracket (311).

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