Automatic spraying system for coal shed area

Abstract

The utility model relates to a kind of coal shed area automatic spraying system, including coal shed;First detection mechanism, the first detection mechanism is set to the coal shed, and located above unloading parking space and aims at the carriage lifting area of dump truck, the first detection mechanism is used to detect whether dump truck is unloaded;Spraying mechanism, the spraying mechanism is set to the top of the coal shed, and the spraying mechanism is used to spray water mist in the coal shed;And control mechanism, the first detection mechanism is electrically connected with the control mechanism, the spraying mechanism is electrically connected with the control mechanism, the control mechanism is used to receive, process the detection signal of the first detection mechanism, and control to open or close the spraying mechanism. Through first detection mechanism real-time capture unloading action, control mechanism quickly responds to start spraying, realize "unloading is spraying", from source inhibits dust diffusion, solves the delay problem of artificial control, improves dust suppression efficiency.

Description

Technical Field

[0001] This utility model relates to the field of dust suppression technology in coal sheds of thermal power plants, specifically to an automatic sprinkler system for coal shed areas. Background Technology

[0002] In energy production sites such as thermal power plants and coal-fired power plants, coal sheds serve as the core areas for coal storage and transportation, and dust pollution control is a crucial aspect of environmental governance and production operations. During the unloading and storage of coal from transport vehicles, large amounts of fugitive dust are easily generated. This dust not only deteriorates the surrounding air quality and harms the respiratory health of on-site workers, but also increases the risk of dust accumulation and damage to equipment.

[0003] To address the dust problem at coal sheds, existing technologies commonly employ spray dust suppression systems, which use water mist to adsorb and settle dust particles in the dusty area. Currently, most coal shed spray systems on the market operate under manual control. Their working logic is as follows: when a coal truck enters the unloading area, on-site personnel operate a switch to start the spray system, and then manually shut it off after unloading is completed.

[0004] However, the aforementioned existing technical solutions have significant technical defects and application limitations:

[0005] Insufficient timeliness of dust control: Manual activation of the sprinkler system relies on on-site response from staff, which is often delayed due to factors such as the scope of personnel inspection, reaction speed, and operational negligence. During this period, a large amount of dust generated during unloading has already spread to the surrounding environment, forming fugitive emissions pollution, making it impossible to suppress dust at its source. The lag in manual control is particularly prominent during continuous unloading of multiple vehicles, peak operating periods, or nighttime operations, resulting in a significant reduction in dust suppression effectiveness.

[0006] Water waste and coal quality issues coexist: To avoid the problem of untimely start-up, the spray system is kept on in some scenarios. However, this will cause serious water waste. At the same time, continuous spraying will cause the moisture content of the coal pile to exceed the standard, which will not only reduce the coal combustion efficiency, but may also cause coal to clump and mold, affecting subsequent transportation and boiler combustion stability, and increasing energy consumption and production and maintenance costs.

[0007] High labor costs and poor reliability: Manual control mode requires dedicated personnel to monitor unloading operations, increasing the company's labor costs; moreover, manual operation is susceptible to subjective factors such as fatigue and lack of concentration, which poses a risk of misoperation (such as forgetting to turn off or turning off prematurely), further reducing the operational reliability of the sprinkler system. Utility Model Content

[0008] Therefore, there is a need to provide an automatic sprinkler system for coal shed areas to address the technical problem that the manual control method of existing coal shed sprinkler systems cannot simultaneously achieve the timeliness of dust control, the economy of water resource utilization, and the quality stability of coal storage, and is difficult to meet the comprehensive needs of power plants and other places for environmental compliance, energy conservation and consumption reduction, and high-efficiency production.

[0009] To achieve the above objectives, the inventors provide an automatic sprinkler system for coal shed areas, comprising:

[0010] Coal shed;

[0011] The first detection mechanism is set on the coal shed, located above the unloading position and aligned with the lifting area of ​​the dump truck's cargo compartment. The first detection mechanism is used to detect whether the dump truck has unloaded cargo.

[0012] A spraying mechanism is installed on the top of the coal shed, and the spraying mechanism is used to spray water mist into the coal shed;

[0013] The system includes a control mechanism, the first detection mechanism being electrically connected to the control mechanism, and the spraying mechanism being electrically connected to the control mechanism. The control mechanism is used to receive and process the detection signal from the first detection mechanism and control the opening or closing of the spraying mechanism.

[0014] As a preferred embodiment of the present invention, the automatic sprinkler system for coal sheds further includes a second detection mechanism;

[0015] The second detection mechanism is located at the entrance of the coal shed for unloading vehicles. The second detection mechanism is used to detect whether the dump truck enters or leaves the coal shed.

[0016] The second detection mechanism is electrically connected to the control mechanism;

[0017] The control mechanism is also used to receive and process the detection signals from the second detection mechanism.

[0018] As a preferred structure of this utility model, the automatic sprinkler system for coal shed areas also includes a third detection mechanism and an alarm mechanism;

[0019] The third detection mechanism is fixedly installed, and the alarm mechanism is fixedly installed;

[0020] The third detection mechanism is used to detect the dust concentration inside the coal shed in real time, and the alarm mechanism is used to issue an alarm.

[0021] The third detection mechanism is electrically connected to the control mechanism, and the alarm mechanism is electrically connected to the control mechanism;

[0022] The control mechanism is also used to receive and process the detection signals from the third detection mechanism, and to control the opening or closing of the alarm mechanism.

[0023] In a preferred embodiment of this invention, the spraying mechanism includes a water supply component, which is connected to the spraying mechanism via a pipeline. The water supply component provides water to the spraying mechanism.

[0024] As a preferred structure of this utility model, the water supply component includes a water recycling tank, a water pump, and a water supply pipeline.

[0025] The recycled water tank is connected to the spraying mechanism via the water supply pipeline;

[0026] The water pump is installed on the water supply pipeline and is electrically connected to the control mechanism.

[0027] As a preferred structure of this utility model, the water supply assembly further includes a filter component, which is disposed on the water supply pipeline between the recycled water tank and the water pump.

[0028] As a preferred structure of this utility model, the spraying mechanism includes a spraying pipeline and a plurality of atomizing nozzles;

[0029] The spray pipe is installed on the top of the coal shed, the spray pipe is fixedly connected to the coal shed, and the spray pipe is connected to the water supply assembly;

[0030] Multiple atomizing nozzles are respectively arranged at intervals on the spray pipe.

[0031] As a preferred structure of this utility model, the spraying mechanism further includes a pressure stabilizing valve, which is disposed on the spraying pipeline.

[0032] As a preferred structure of this utility model, the spray pipeline includes a main water supply pipe and multiple branch pipes;

[0033] The main water supply pipe is arranged along the length of the coal shed, with one end connected to an external water source and the other end of the main water supply pipe being closed.

[0034] Multiple branch pipes are connected to the main water supply pipe at intervals, and the multiple branch pipes are arranged along the width direction of the coal shed;

[0035] Multiple atomizing nozzles are evenly spaced and distributed on the branch pipe.

[0036] As a preferred structure of this utility model, the first detection mechanism is an infrared through-beam sensor or a microwave radar sensor; the second detection mechanism is an infrared through-beam sensor or a microwave radar sensor; and the third detection mechanism is a laser dust sensor.

[0037] The advantages of the above technical solution, which differs from existing technologies, are as follows: In this utility model's automatic sprinkler system for coal sheds, when a dump truck enters the unloading bay and starts unloading, the first detection mechanism detects the lifting action of the dump truck's cargo compartment and sends a "unloading in progress" signal to the control mechanism. The control mechanism processes this signal and, after logical judgment, outputs a start command: controlling the opening of the sprinkler mechanism. The sprinkler mechanism performs water mist spraying to suppress dust, evenly spraying the water onto the unloading area and the surface of the coal pile, adsorbing and settling dust. Dust suppression is timely and efficient. The first detection mechanism captures the unloading action in real time, and the control mechanism responds quickly to start the sprinkler, achieving "spraying immediately upon unloading," suppressing dust diffusion at the source, solving the delay problem of manual control, and improving dust suppression efficiency. Automated and precise control of the sprinkler timing (spraying only during unloading, with delayed shutdown after the vehicle leaves) avoids water waste caused by constantly running sprinklers, thus saving water.

[0038] The above description of the utility model is merely an overview of the technical solution of this application. In order to enable those skilled in the art to better understand the technical solution of this application and to implement it based on the description and drawings, and to make the above-mentioned objectives and other objectives, features and advantages of this application easier to understand, the following description is provided in conjunction with the specific embodiments and drawings of this application. Attached Figure Description

[0039] The accompanying drawings are only used to illustrate the principles, implementation methods, applications, features, and effects of specific embodiments of this application and other related content, and should not be considered as limitations on this application.

[0040] In the accompanying drawings of the instruction manual:

[0041] Figure 1 This is a front view of the automatic sprinkler system for coal sheds described in the specific implementation method;

[0042] Figure 2 This is a side view of the automatic sprinkler system in the coal shed area described in the specific implementation embodiment;

[0043] Figure 3 This is a top view of the spraying mechanism described in the specific embodiment;

[0044] Figure 4 This is a schematic diagram of the spraying mechanism described in a specific implementation.

[0045] Figure 5This is one of the circuit connection diagrams of the automatic sprinkler system in the coal shed area described in the specific implementation method;

[0046] Figure 6 The second circuit connection diagram of the automatic sprinkler system in the coal shed area described in the specific implementation method is shown below.

[0047] The reference numerals used in the above figures are explained as follows:

[0048] 1. Coal shed,

[0049] 2. Sprinkler system,

[0050] 21. Sprinkler piping,

[0051] 211. Main water supply pipe,

[0052] 212. Branch pipe,

[0053] 22. Atomizing nozzle,

[0054] 23. Pressure regulating valve,

[0055] 3. Water supply components,

[0056] 31. Reclaimed water tank,

[0057] 32. Water pump

[0058] 33. Water supply pipelines,

[0059] 34. Filter components,

[0060] 4. Control mechanism,

[0061] 5. The primary testing institution.

[0062] 6. Second testing agency,

[0063] 7. Third-party testing institutions,

[0064] 8. Alarm system. Detailed Implementation

[0065] To illustrate the possible application scenarios, technical principles, implementable specific solutions, and achievable objectives and effects of this application in detail, the following description, in conjunction with the listed specific embodiments and accompanying drawings, provides a detailed explanation. The embodiments described herein are merely illustrative of the technical solutions of this application and are therefore intended to limit the scope of protection of this application.

[0066] In this document, the term "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The term "embodiment" appearing in various places throughout the specification does not necessarily refer to the same embodiment, nor does it specifically limit its independence or connection with other embodiments. In principle, in this application, as long as there are no technical contradictions or conflicts, the technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.

[0067] Unless otherwise defined, the technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the use of related terms herein is merely for the purpose of describing particular embodiments and is not intended to limit this application.

[0068] In the description of this application, the term "and / or" is used to describe the logical relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A exists, B exists, and A and B exist simultaneously. Additionally, the character " / " in this document generally indicates that the preceding and following objects have an "or" logical relationship.

[0069] In this application, terms such as “first” and “second” are used only to distinguish one entity or operation from another, and do not necessarily require or imply any actual quantity, hierarchy or order relationship between these entities or operations.

[0070] Unless otherwise specified, the use of terms such as “comprising,” “including,” “having,” or other similar expressions in this application is intended to cover non-exclusive inclusion, which does not exclude the presence of additional elements in a process, method, or product that includes the stated elements, such that a process, method, or product that includes a list of elements may include not only those defined elements but also other elements not expressly listed, or elements inherent to such a process, method, or product.

[0071] As understood in the Examination Guidelines, in this application, expressions such as "greater than," "less than," and "exceeding" are understood to exclude the stated number; expressions such as "above," "below," and "within" are understood to include the stated number. Furthermore, in the description of the embodiments in this application, "multiple" means two or more (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups" and "multiple times," unless otherwise explicitly specified.

[0072] In the description of the embodiments of this application, the space-related expressions used, such as "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiments or drawings. These expressions are only for the convenience of describing the specific embodiments of this application or for the reader's understanding, and do not indicate or imply that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application. Furthermore, in this context, it should be understood that when it is mentioned that an element is connected "on" or "below" another element, it can be directly connected not only to the other element "on" or "below," but also indirectly connected to the other element "on" or "below" through an intermediate element.

[0073] Unless otherwise expressly specified or limited, the terms "installation," "connection," "linking," "fixing," and "setting," as used in the description of the embodiments of this application, should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two components or the interaction between two components. For those skilled in the art to which this application pertains, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0074] Please see Figures 1 to 6 This embodiment relates to an automatic sprinkler system for Zone 1 of a coal shed, comprising:

[0075] Coal Shed 1; Coal Shed 1 is an enclosed or semi-enclosed structure used for storing and transferring coal, and is also the core area for dust generation. Coal Shed 1 provides space for coal storage and unloading operations, and also provides a mounting platform for the various functional mechanisms of the automatic sprinkler system. As the basic supporting unit of the system, the existence of Coal Shed 1 ensures the spatial conditions for the coordinated operation of various mechanisms and is the fundamental basis for the operation of the entire system. The construction of Coal Shed 1 is a conventional technical solution in this field and will not be described in detail here.

[0076] The first detection mechanism 5 is installed on the coal shed 1, above the unloading position and aligned with the lifting area of ​​the dump truck's cargo compartment. The first detection mechanism 5 is used to detect whether the dump truck is unloading. Specifically, the first detection mechanism 5 is a signal acquisition component used to detect whether the dump truck is in an unloading state. In this embodiment, the first detection mechanism 5 is an infrared beam sensor. Alternatively, in other embodiments, the first detection mechanism 5 is a microwave radar sensor. When the first detection mechanism 5 detects that the dump truck's cargo compartment is lifted upwards, it sends a detection signal to the control mechanism 4. The first detection mechanism 5 can capture the unloading start signal in real time, completely replacing manual observation and fundamentally solving the problem of delayed manual response, thus achieving timely dust source suppression.

[0077] A spraying mechanism 2 is installed on the top of the coal shed 1. The spraying mechanism 2 is used to spray water mist into the coal shed 1. It is an actuator for spraying water mist into dusty areas within the coal shed 1. Installed on the top of the coal shed 1, the spraying mechanism 2 covers all unloading areas and coal storage areas, using high-pressure water mist to adsorb and settle dust. The spraying mechanism 2 replaces manually controlled spray switches, and in conjunction with a detection mechanism, enables automated spraying, effectively avoiding human error. Furthermore, the top-mounted design ensures that the water mist evenly covers the dust source, significantly improving dust suppression and preventing uncontrollable localized dust pollution.

[0078] The system includes a control mechanism 4, with the first detection mechanism 5 electrically connected to it, and the spraying mechanism 2 also electrically connected to it. The control mechanism 4 receives and processes the detection signals from the first detection mechanism 5 and controls the opening or closing of the spraying mechanism 2. The control mechanism 4 is a core control unit used to receive and process detection signals and control the actions of the actuators; it is a PLC controller. The control mechanism 4 is electrically connected to the first detection mechanism 5 and the spraying mechanism 2, and can receive the unloading detection signals from the first detection mechanism 5. After internal logic judgment, it outputs control commands to control the opening or closing of the spraying mechanism 2. The control mechanism 4 achieves automated linkage between detection and execution, completely replacing manual control and significantly reducing labor costs. Simultaneously, its control logic is programmable and can be flexibly adjusted according to different unloading processes in different coal sheds 1, exhibiting strong adaptability.

[0079] Specifically, such as Figures 1 to 6As shown in the embodiment, in the automatic sprinkler system of coal shed 1, when the dump truck enters the unloading position in coal shed 1 and starts unloading after parking in the unloading position, when the first detection mechanism 5 detects the lifting action of the dump truck's cargo box, the first detection mechanism 5 sends a "unloading in progress" signal to the control mechanism 4; the control mechanism 4 performs identification processing, and outputs a start command after logical judgment: control to open the sprinkler mechanism 2, the sprinkler mechanism 2 performs water mist spraying dust suppression operation, the sprinkler mechanism 2 sprays evenly to the unloading area and the surface of the coal pile, adsorbs dust and settles it, the dust suppression is timely and efficient, the first detection mechanism 5 captures the unloading action in real time, the control mechanism 4 responds quickly to start the spraying, realizes "spraying while unloading", suppresses dust diffusion from the source, solves the delay problem of manual control, and improves dust suppression efficiency; the automatic and precise control of the spraying timing (spraying only during unloading, and delaying the closing after the vehicle leaves) avoids the waste of water resources caused by constantly running sprinklers, saving water.

[0080] Optionally, in some embodiments, such as Figures 1 to 6 As shown, the automatic sprinkler system in the coal shed 1 area also includes a second detection mechanism 6; the second detection mechanism 6 is located at the unloading vehicle entrance of the coal shed 1, and is used to detect whether the dump truck enters or leaves the coal shed 1; the second detection mechanism 6 is electrically connected to the control mechanism 4; the control mechanism 4 is also used to receive and process the detection signals of the second detection mechanism 6.

[0081] The second detection mechanism 6 is a signal acquisition component used to detect whether a dump truck has entered or left the coal shed 1. The second detection mechanism 6 is installed at the unloading vehicle entrance of the coal shed 1. Depending on actual needs, two sets of sensors can be installed at the entrance and exit, specifically infrared beam sensors or microwave radar sensors. It outputs a position detection signal by detecting the vehicle's entry and exit status and is electrically connected to the control mechanism 4. Specifically, in this embodiment, when the control mechanism 4 simultaneously receives a detection signal indicating that a vehicle has entered the coal shed 1 and a detection signal indicating that the dump truck's cargo box has risen, the control mechanism 4 controls the opening of the spray mechanism 2 to perform water mist dust suppression operations. When the control mechanism 4 simultaneously receives a detection signal indicating that the dump truck's cargo box has lowered and reset, and a detection signal indicating that a vehicle has left the coal shed 1, the control mechanism 4 controls the closing of the spray mechanism 2 to end the water mist dust suppression operation.

[0082] Optionally, in some embodiments, such as Figures 1 to 6As shown, the automatic sprinkler system in the coal shed area 1 also includes a third detection mechanism 7 and an alarm mechanism 8; the third detection mechanism 7 is fixedly installed, and the alarm mechanism 8 is fixedly installed; the third detection mechanism 7 is used to detect the dust concentration in the coal shed 1 in real time, and the alarm mechanism 8 is used to issue an alarm; the third detection mechanism 7 is electrically connected to the control mechanism 4, and the alarm mechanism 8 is electrically connected to the control mechanism 4; the control mechanism 4 is also used to receive and process the detection signal of the third detection mechanism 7, and control the opening or closing of the alarm mechanism 8.

[0083] Specifically, in this embodiment, such as Figures 1 to 6 As shown, the third detection mechanism 7 is an environmental monitoring component used for real-time monitoring of dust concentration within the coal shed 1. The third detection mechanism 7 is fixedly installed within the coal shed 1, such as above the unloading area or above the coal pile. The third detection mechanism 7 is a laser dust sensor, which can collect real-time dust concentration data such as PM10 and PM2.5 within the coal shed 1 and transmit analog signals to the control mechanism 4. The third detection mechanism 7 provides real-time feedback on the dust suppression effect, providing data support for the system to form a closed-loop control. When the spray mechanism 2 malfunctions or the dust concentration exceeds the standard, it can promptly send a signal to the control mechanism 4 to prevent unorganized dust emissions. Furthermore, the laser dust sensor features high detection accuracy and fast response speed, enabling long-term stable operation in the high-dust environment of the coal shed 1, ensuring accurate and effective monitoring data.

[0084] Specifically, in this embodiment, such as Figures 1 to 6 As shown, alarm mechanism 8 is a warning component used to issue an audible and visual alarm when the dust concentration exceeds the standard. Alarm mechanism 8 can be an audible and visual alarm, a buzzer, or an indicator light. Alarm mechanism 8 is fixedly installed in a conspicuous location in the duty room or work area of ​​coal shed 1, and is electrically connected to control mechanism 4. It can activate the alarm after receiving alarm commands from control mechanism 4. By installing alarm mechanism 8, when the dust concentration exceeds the standard, it can promptly remind staff to check for system malfunctions, such as the sprinkler mechanism 2 not starting or nozzle blockage, preventing further spread of dust pollution. As an emergency backup for automated control, it effectively improves the reliability of system operation and reduces environmental risks.

[0085] Specifically, in this embodiment, such as Figures 1 to 6 As shown, the dust concentration inside the coal shed 1 is monitored in real time by the third detection agency 7, and the data is continuously transmitted to the control agency 4. The control agency 4 compares the detected concentration with a preset threshold (such as PM10 ≤ 150 μg / m³). If the concentration is higher than the threshold, the control agency 4 controls the alarm agency 8 to issue an audible and visual alarm, reminding staff to check for malfunctions in the sprinkler system (such as nozzle blockage or pipe leakage). If the third detection agency 7 detects that the dust concentration has dropped below the threshold, the alarm agency 8 is turned off.

[0086] Optionally, in some embodiments, such as Figures 1 to 6 As shown, the spraying mechanism 2 includes a water supply component 3, which is connected to the spraying mechanism 2 via a pipeline. The water supply component 3 provides water to the spraying mechanism 2, serving as a supporting component for providing a stable water source. By incorporating the water supply component 3, the single water supply mode of external tap water is replaced, achieving water resource recycling and significantly reducing operating costs. Simultaneously, it ensures a stable water supply pressure and flow rate for the spraying mechanism 2, avoiding the problem of reduced dust suppression effect due to insufficient water supply, and ensuring the continuous and stable operation of the system.

[0087] Optionally, in some embodiments, such as Figures 1 to 6 As shown, the water supply component 3 includes a reclaimed water tank 31, a water pump 32, and a water supply pipeline 33; the reclaimed water tank 31 is connected to the spray mechanism 2 through the water supply pipeline 33; the water pump 32 is installed on the water supply pipeline 33, and the water pump 32 is electrically connected to the control mechanism 4.

[0088] Specifically, in this embodiment, such as Figures 1 to 6 As shown, the recycled water tank 31 serves as a storage tank for purified and treated water from the workshop wastewater treatment system, enabling water resource recycling, significantly reducing fresh water consumption, and fundamentally solving the problem of water waste in existing technologies. Simultaneously, it reduces the company's water costs, aligns with current environmental protection and energy-saving development requirements, and enhances the company's green production level. The water pump 32 is the power component that provides high-pressure water to the spray mechanism 2. The water pump 32 is installed on the water supply pipeline 33 and electrically connected to the control mechanism 4, capable of receiving commands from the control mechanism 4 to turn the water pump 32 on or off.

[0089] Optionally, in some embodiments, such as Figures 1 to 6 As shown, the water supply assembly 3 also includes a filter component 34, which is installed on the water supply pipeline 33 between the reclaimed water tank 31 and the water pump 32. The filter component 34 is a purification component used to filter impurities in the reclaimed water; it can be a filter screen, filter cartridge, or sand filter. Installed on the water supply pipeline 33 between the reclaimed water tank 31 and the water pump 32, the filter component 34 intercepts impurities in the reclaimed water, preventing them from clogging the water pump 32, the atomizing nozzles 22 of the spray mechanism 2, or the spray pipeline 21. This effectively extends the service life of the spray mechanism 2 and the water pump 32, reducing equipment maintenance costs. Simultaneously, it ensures smooth water flow during spraying, maintains a stable dust suppression effect, and avoids localized spraying failures caused by pipeline blockage.

[0090] Optionally, in some embodiments, such as Figures 1 to 6As shown, the spraying mechanism 2 includes a spray pipe 21 and multiple atomizing nozzles 22. The spray pipe 21 is located on the top of the coal shed 1 and is fixedly connected to the coal shed 1. The spray pipe 21 is also connected to the water supply assembly 3. The multiple atomizing nozzles 22 are spaced apart on the spray pipe 21. The spray pipe 21 is a pipe assembly used to transport high-pressure water to the nozzles. The atomizing nozzles 22 are spray components used to atomize high-pressure water into fine water mist. The nozzle orifice diameter is adapted to the high-pressure atomization requirements, producing fine water mist of 50-200μm. The atomized water mist has a large contact area with dust particles, resulting in high adsorption efficiency and significantly better dust suppression than ordinary spraying. Furthermore, the water mist particle size is moderate, effectively avoiding the decrease in combustion efficiency and agglomeration / molding problems caused by excessive wetting of the coal, ensuring the quality of the coal for subsequent use.

[0091] Optionally, in some embodiments, such as Figures 1 to 6 As shown, the spraying mechanism 2 also includes a pressure regulating valve 23, which is installed on the spraying pipeline 21. The pressure regulating valve 23 is a regulating valve used to stabilize the water pressure within the spraying pipeline 21. The pressure regulating valve 23 can adjust the pipeline pressure in real time to ensure consistent water pressure at each nozzle. By providing the pressure regulating valve 23, uneven atomization caused by water pressure fluctuations is avoided, ensuring stable dust suppression effects in all areas of the coal shed 1; simultaneously, it prevents excessive water pressure from damaging the pipeline or nozzles, reducing the risk of equipment failure and minimizing maintenance costs and downtime.

[0092] Optionally, in some embodiments, such as Figures 1 to 6 As shown, the spray pipeline 21 includes a main water supply pipe 211 and multiple branch pipes 212. The main water supply pipe 211 is arranged along the length of the coal shed 1, with one end connected to an external water source and the other end closed. The multiple branch pipes 212 are connected to the main water supply pipe 211 at intervals and are arranged along the width of the coal shed 1, forming a grid-like pipeline layout. Multiple atomizing nozzles 22 are evenly distributed on the branch pipes 212. The grid-like layout ensures that the spray covers all unloading positions and storage areas within the coal shed 1, completely avoiding spray dead zones.

[0093] Optionally, in some embodiments, such as Figures 1 to 6 As shown, the first detection mechanism 5 is an infrared beam sensor or a microwave radar sensor; the second detection mechanism 6 is an infrared beam sensor or a microwave radar sensor; and the third detection mechanism 7 is a laser dust sensor.

[0094] Specifically, such as Figures 1 to 6 As shown, the working principle of the automatic sprinkler system in Zone 1 of the coal shed in this embodiment is based on the closed-loop control logic of "detection-judgment-execution-feedback", and the specific process is as follows:

[0095] Vehicle entry and exit monitoring phase:

[0096] When the dump truck approaches coal shed 1, it triggers the second detection mechanism 6 at the entrance of coal shed 1. The second detection mechanism 6 sends a "vehicle entering" signal to the control mechanism 4. After receiving the signal, the control mechanism 4 enters standby mode to prepare for spraying. When the vehicle finishes unloading and leaves coal shed 1, it triggers the second detection mechanism 6 at the exit and sends a "vehicle leaving" signal.

[0097] Unloading inspection and spray start-up phase:

[0098] After the dump truck parks at the unloading position and starts unloading, the lifting action of the truck bed triggers the first detection mechanism 5 above; the first detection mechanism 5 sends a "unloading in progress" signal to the control mechanism 4; the control mechanism 4, combined with the "vehicle inside the shed" signal from the second detection mechanism 6, outputs a start command after logical judgment:

[0099] The water pump 32 of the water supply component 3 is started, and the water in the recycled water tank 31 is filtered by the filter component 34 and then pressurized and transported to the spray pipeline 21. After the high pressure water is stabilized by the pressure stabilizing valve 23, it is atomized into fine water mist through each atomizing nozzle 22 and evenly sprayed onto the unloading area and the surface of the coal pile to absorb dust and settle it.

[0100] Sprinkler shutdown and system reset phase:

[0101] Once the dump truck has finished unloading and the cargo box has returned to a horizontal position, the first detection mechanism 5 stops sending the "unloading" signal. After receiving the signal, the control mechanism 4, in conjunction with the "vehicle has left" signal from the second detection mechanism 6, delays for 5-10 seconds (to ensure that any remaining dust has completely settled) before controlling the water pump 32 to stop operating, thus ending the water mist dust suppression operation.

[0102] Dust concentration monitoring feedback:

[0103] The third detection unit 7 monitors the dust concentration inside the coal shed 1 in real time and continuously transmits the data to the control unit 4. The control unit 4 compares the detected concentration with a preset threshold (e.g., PM10 ≤ 150 μg / m³). If the concentration is higher than the threshold, the control unit 4 activates the alarm unit 8 to issue an audible and visual alarm, reminding staff to check for malfunctions in the sprinkler system (e.g., nozzle blockage, pipe leakage). If the third detection unit 7 detects that the dust concentration has dropped below the threshold, it shuts off the alarm unit 8.

[0104] Compared with the prior art, the automatic sprinkler system for coal shed zone 1 in this embodiment has the following significant advantages:

[0105] Dust suppression is timely and efficient: The first detection mechanism 5 captures the unloading action in real time, and the control mechanism 4 quickly responds to start the spraying, realizing "spraying as soon as unloading", which suppresses the spread of dust from the source, solves the delay problem of manual control, and improves dust suppression efficiency.

[0106] Significant water and energy saving effects:

[0107] Automated and precise control of the spraying timing (spraying only during unloading and delaying shutdown after the vehicle leaves) avoids water waste caused by constantly running sprayers, thus saving water resources.

[0108] The water pump 32 is linked to the spray mechanism 2 for control, avoiding ineffective operation and reducing power consumption.

[0109] Reduce labor costs and operational risks: No dedicated personnel are required to monitor unloading and spraying operations, reducing labor costs; avoid misoperation caused by human fatigue or negligence (such as forgetting to shut down or shutting down prematurely), improving system reliability.

[0110] Stable operation and strong adaptability:

[0111] The testing agency uses sensors with strong anti-interference capabilities, which are suitable for the high dust and complex environment of coal shed 1;

[0112] The spraying mechanism 2 adopts a grid-like pipeline layout and atomizing nozzle 22 design, with no spray dead corners, and the dust suppression effect is uniform and stable.

[0113] Closed-loop control and emergency response: The third testing agency 7 and the alarm agency 8 form a closed-loop feedback to monitor the dust suppression effect in real time and alarm in time when a fault occurs, so as to avoid excessive dust emissions and meet environmental protection requirements.

[0114] Finally, it should be noted that although the above embodiments have been described in the text and drawings of this application, this should not limit the scope of patent protection of this application. Any technical solutions that are based on the essential concept of this application and utilize the content described in the text and drawings of this application, resulting in equivalent structural or procedural substitutions or modifications, as well as the direct or indirect application of the technical solutions of the above embodiments to other related technical fields, are all included within the scope of patent protection of this application.

Claims

1. An automatic sprinkler system for coal shed areas, characterized in that, include: Coal shed; The first detection mechanism is set on the coal shed, located above the unloading position and aligned with the lifting area of ​​the dump truck's cargo compartment. The first detection mechanism is used to detect whether the dump truck has unloaded cargo. A spraying mechanism is installed on the top of the coal shed, and the spraying mechanism is used to spray water mist into the coal shed; The system includes a control mechanism, the first detection mechanism being electrically connected to the control mechanism, and the spraying mechanism being electrically connected to the control mechanism. The control mechanism is used to receive and process the detection signal from the first detection mechanism and control the opening or closing of the spraying mechanism.

2. The automatic sprinkler system for coal shed areas according to claim 1, characterized in that: The automatic sprinkler system in the coal shed area also includes a second detection mechanism; The second detection mechanism is located at the entrance of the coal shed for unloading vehicles. The second detection mechanism is used to detect whether the dump truck enters or leaves the coal shed. The second detection mechanism is electrically connected to the control mechanism; The control mechanism is also used to receive and process the detection signals from the second detection mechanism.

3. The automatic sprinkler system for coal shed areas according to claim 2, characterized in that: The automatic sprinkler system in the coal shed area also includes a third detection mechanism and an alarm mechanism; The third detection mechanism is fixedly installed, and the alarm mechanism is fixedly installed; The third detection mechanism is used to detect the dust concentration inside the coal shed in real time, and the alarm mechanism is used to issue an alarm. The third detection mechanism is electrically connected to the control mechanism, and the alarm mechanism is electrically connected to the control mechanism; The control mechanism is also used to receive and process the detection signals from the third detection mechanism, and to control the opening or closing of the alarm mechanism.

4. The automatic sprinkler system for coal shed areas according to claim 1, characterized in that: The spraying mechanism includes a water supply component, which is connected to the spraying mechanism via a pipeline and is used to provide water to the spraying mechanism.

5. The automatic sprinkler system for coal shed areas according to claim 4, characterized in that: The water supply components include a water recycling tank, a water pump, and water supply pipelines; The recycled water tank is connected to the spraying mechanism via the water supply pipeline; The water pump is installed on the water supply pipeline and is electrically connected to the control mechanism.

6. The automatic sprinkler system for coal shed areas according to claim 5, characterized in that: The water supply assembly also includes a filter element, which is disposed on the water supply pipeline between the recycled water tank and the water pump.

7. The automatic sprinkler system for coal shed areas according to any one of claims 4 to 6, characterized in that: The spraying mechanism includes a spraying pipeline and multiple atomizing nozzles; The spray pipe is installed on the top of the coal shed, the spray pipe is fixedly connected to the coal shed, and the spray pipe is connected to the water supply assembly; Multiple atomizing nozzles are respectively arranged at intervals on the spray pipe.

8. The automatic sprinkler system for coal shed areas according to claim 7, characterized in that: The spraying mechanism also includes a pressure stabilizing valve, which is installed on the spraying pipeline.

9. The automatic sprinkler system for coal shed areas according to claim 7, characterized in that: The spray pipeline includes a main water supply pipe and multiple branch pipes; The main water supply pipe is arranged along the length of the coal shed, with one end connected to an external water source and the other end of the main water supply pipe being closed. Multiple branch pipes are connected to the main water supply pipe at intervals, and the multiple branch pipes are arranged along the width direction of the coal shed; Multiple atomizing nozzles are evenly spaced and distributed on the branch pipe.

10. The automatic sprinkler system for coal shed areas according to claim 3, characterized in that: The first detection mechanism is an infrared beam sensor or a microwave radar sensor; the second detection mechanism is an infrared beam sensor or a microwave radar sensor; and the third detection mechanism is a laser dust sensor.

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