CN216223524U - Closed coal yard sprayer system for treating brown coal dust - Google Patents

Abstract

The utility model relates to the field of dust treatment, in particular to a closed coal yard sprayer system for treating brown coal dust, which comprises: the device comprises a multilayer nozzle type mist sprayer, a controller, a booster water pump set, a medicament box, an electromagnetic valve, a detection device and a video camera; the water inlet of the booster water pump set is connected with a water source, and the water outlet of the booster water pump set is connected with the multilayer nozzle type mist sprayer and the chemical box through pipelines; an electromagnetic valve is arranged between the chemical box and the water outlet of the booster water pump set and is used for controlling addition of chemicals; the controller is electrically connected with the electromagnetic valve, the detection device and the video camera; through being equipped with a plurality of multilayer nozzle formula and penetrating the fog ware in whole space to and lay detection device under fixed distance, feed back the dust concentration in the corresponding region in real time through the data that detection device surveyed, and control in the corresponding region multilayer nozzle formula and penetrate the fog ware by the controller and clear up the dust, avoided all the full open condition of the wasting of resources that cause of fog ware of penetrating of entire system at the cleaning process.

Description

Closed coal yard sprayer system for treating brown coal dust

Technical Field

The utility model relates to the field of dust treatment, in particular to a closed coal yard sprayer system for treating brown coal dust.

Background

The treatment difficulty of brown coal dust in a closed environment is higher, wherein dust explosion is one of the most main hazards in the prior art; the lower limit of coal dust explosion is 35 g/m3, and the coal dust explosion in the closed environment can be exploded once meeting open fire or sparks, thereby seriously endangering the safety of personnel and property. According to statistics, in 2005-2015 years, 263 dead people and 632 injured people are suffered from dust explosion accidents 72; one of the main factors of dust explosion is pulverized coal; dust explosion has become an important risk factor threatening the life safety of coal mine workers, so dust treatment is important in the whole coal mine industry.

Aiming at the problem, a wet dust settling method is mostly adopted at present, and spraying water is mainly used for dust settling, however, the dust removal efficiency is not high easily and the water resource waste is serious and the like in the conventional large-area spraying water for dust settling because the coal mine dust treatment is influenced by various factors.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides a closed coal field sprayer system for treating brown coal dust, which is characterized in that a plurality of multilayer nozzle type sprayers are arranged in the whole space, a detection device is arranged at a fixed distance, the dust concentration in the corresponding area is fed back in real time through data measured by the detection device, the multilayer nozzle type sprayers in the corresponding area are controlled by a controller to clean the dust, and the condition of resource waste caused by the fact that all the sprayers of the whole system are fully opened is avoided in the cleaning process.

In order to achieve the purpose, the utility model provides the following technical scheme that the closed coal field sprayer system for treating the brown coal dust comprises: the device comprises a multilayer nozzle type mist sprayer, a controller, a booster water pump set, a medicament box, an electromagnetic valve, a detection device and a video camera; the water inlet of the booster water pump set is connected with a water source, and the water outlet of the booster water pump set is connected with the multilayer nozzle type mist sprayer and the chemical box through pipelines; an electromagnetic valve is arranged between the medicament box and the water outlet of the booster water pump set and is used for controlling the addition of medicament; the controller is electrically connected with the electromagnetic valve, the detection device and the video camera.

Further, the multi-nozzle mist sprayer comprises: a nozzle, a spray ring, a body; at least two groups of the injection rings are fixedly arranged on the main body; the number of the nozzles is a plurality, and the nozzles are fixedly arranged on a nozzle seat distributed on the surface.

Further, the detection device includes: the wind speed measuring instrument, the dust detector, the supporting rod and the detecting device main body; the supporting rod is rotatably arranged on the detection device main body; and the wind speed measuring instrument and the dust detector are respectively and fixedly arranged at two ends of the supporting rod.

Furthermore, the booster water pump group consists of a servo motor and a vertical centrifugal pump, and the servo motor is electrically connected with the controller.

Furthermore, each group of the injection rings is provided with an independent control switch, and the independent control switches are electrically connected with the controller.

Further, the detection device further comprises a humidity sensor which is fixedly arranged on the detection device main body and electrically connected with the controller.

Due to the adoption of the technical scheme, the utility model has the following advantages:

1. according to the utility model, the plurality of multilayer nozzle type mist injectors are arranged in the whole space, the detection device is arranged at a fixed distance, the dust concentration is fed back in real time through the detected data of the detection device and is processed by the controller, so that the plurality of multilayer nozzle type mist injectors clean areas with high dust concentration piece by piece, and the condition of resource waste caused by whole cleaning is avoided in the cleaning process;

2. according to the utility model, by arranging the multiple layers of injection rings and the servo motors in the booster water pump set, the purposes of opening different numbers of injection rings according to brown coal dust with different concentrations and correspondingly adjusting the rotating speed of the servo motors to remove dust quickly, efficiently and in an energy-saving manner can be realized.

Drawings

FIG. 1 is a three-dimensional schematic of the overall structure of the present invention;

FIG. 2 is a schematic view of a multi-layer nozzle sprayer of the present invention;

FIG. 3 is a three-dimensional schematic view of the detecting device of the present invention;

FIG. 4 is a schematic view of an operating state of the present invention;

fig. 5 is a schematic diagram of the connection of the control system of the present invention.

The reference numbers: 1-a multilayer nozzle type sprayer, 2-a controller, 3-a booster water pump set, 4-a medicament box, 5-an electromagnetic valve, 6-a detection device, 7-a video camera, 101-a nozzle, 102-a spray ring, 103-a main body, 601-a wind speed measuring instrument, 602-a dust detector, 603-a support rod and 604-a detection device main body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. In the embodiments of the present invention, all other embodiments obtained by workers skilled in the art without any inventive work are within the scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3, and fig. 5, the present invention provides a technical solution: as shown in the figure, three detection devices 6 are arranged in the whole space, and the dust concentration, humidity and internal wind power in the whole space are detected in real time through an air speed measuring instrument 601, a dust detector 602 and a humidity sensor in the detection devices 6; the detected data is analyzed and processed through the controller 2, when any one detection device 6 detects that the dust concentration reaches a preset value, the multilayer nozzle type mist sprayer 1 near the corresponding detection device 6 is started, when the real-time dust concentration rises, the number of the opened injection rings 102 is increased under the control of the controller through independent switches on the injection rings 102, the revolution number of a servo motor in the booster water pump group 3 is correspondingly increased within the rated revolution range of the vertical centrifugal pump, the electromagnetic valve 5 communicated with the chemical box 4 is started through the controller 2, and dust removal spraying liquid mixed with chemicals is sprayed, so that the purpose of more efficient dust removal is achieved; when the real-time dust concentration is gradually reduced, the dust detector 602 and the humidity sensor feed back information to the controller 2, the controller 2 analyzes and processes and controls the independent switches on the injection rings 102, the injection rings 102 with corresponding number are gradually closed, the revolution of the servo motor in the booster water pump set 3 is correspondingly reduced within the rated revolution range of the vertical centrifugal pump, and the controller 2 closes and connects the electromagnetic valve 5 of the chemical box 4, so that the energy-saving effect is achieved, meanwhile, the video camera 7 monitors the multiple multi-layer nozzle type spray devices 1 and the chemical box 4 in real time, so that the operation condition of the multi-layer nozzle type spray devices 1 can be timely maintained if faults occur, and the chemical using condition of the chemical box 4 can be timely added when the chemicals are insufficient; in addition, the real-time humidity detection also has corresponding influence on the processing of the lignite, and the larger the lignite humidity is, the more unfavorable the subsequent processing is, so that the subsequent cost is reduced by the arrangement of the humidity sensor.

In this embodiment, referring to fig. 4 and 5, another technical solution provided by the present invention is: as shown in the figure, in the three detection devices 6 arranged in the whole space, if one detection device 6 is provided, the dust detector 602 measures that the dust concentration reaches a preset value and transmits the dust concentration to the controller 2, at this time, after the controller 2 analyzes and processes the dust concentration, the multi-layer nozzle type sprayer 1 close to the dust concentration is opened to realize local dust fall processing around one detection device 6, the controller 2 analyzes and processes the data such as the dust concentration, the wind speed and the like detected in real time, the electromagnetic valve 5 which is connected with the chemical box 4 is opened or closed timely, the revolution number of the servo motor in the booster water pump group 3 and the independent switch on the injection ring 102 are controlled, and the number of the opened injection rings 102 is increased or reduced.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a administer brown coal dust's closed coal yard sprayer system which characterized in that includes: the device comprises a multilayer nozzle type mist sprayer (1), a controller (2), a booster water pump set (3), a chemical box (4), an electromagnetic valve (5), a detection device (6) and a video camera (7); the water inlet of the booster water pump set (3) is connected with a water source, and the water outlet of the booster water pump set is connected with the multilayer nozzle type sprayer (1) and the chemical box (4) through pipelines; an electromagnetic valve (5) is arranged between the medicament box (4) and the water outlet of the booster water pump set (3) and is used for controlling addition of medicaments; the controller (2) is electrically connected with the electromagnetic valve (5), the detection device (6) and the video camera (7) mutually.

2. A closed coal field sprayer system for harnessing brown coal dust according to claim 1, wherein the multi-nozzle sprayer (1) comprises: a nozzle (101), a spray ring (102), a body (103); at least two groups of the injection rings (102) are fixedly arranged on the main body (103); the number of the nozzles (101) is fixed on a nozzle seat distributed on the surface of the spray ring (102).

3. The enclosed coal field sprayer system for harnessing brown coal dust according to claim 1, wherein the detection device (6) comprises: the wind speed measuring device comprises a wind speed measuring instrument (601), a dust detector (602), a supporting rod (603) and a detecting device main body (604); the supporting rod (603) is rotatably arranged on the detection device main body (604); and the wind speed measuring instrument (601) and the dust detector (602) are respectively and fixedly arranged at two ends of the supporting rod (603).

4. The closed coal field sprayer system for treating brown coal dust as claimed in claim 1, wherein the booster water pump group (3) is composed of a servo motor and a vertical centrifugal pump, and the servo motor is electrically connected with the controller (2).

5. The closed coal field sprayer system for treating brown coal dust as claimed in claim 2, wherein each group of spraying rings (102) is provided with an independent control switch, and the independent control switches are electrically connected with the controller (2).

6. The closed coal field sprayer system for treating brown coal dust as claimed in claim 3, wherein the detection device (6) further comprises a humidity sensor, and the humidity sensor is fixedly installed on the detection device main body (604) and electrically connected with the controller (2).

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