Storage device for coal

Abstract

The invention relates to the technical field of coal storage, and discloses a coal storage device which comprises a storage tank, a feeding port is formed in the top of the storage tank, a discharging valve is fixedly connected to the bottom of the storage tank, an air pump is fixedly connected to the outer wall of the top of the storage tank, and an air inlet pipe is inserted into the air inlet end of the air pump in a sealed mode; a hollow pipe is inserted into the top of the storage tank, the other end of the hollow pipe is connected with the air outlet end of the air inlet pipe, a plurality of branch pipes are inserted into the circumference of the hollow pipe in a sealed mode, and a plurality of annular pipes are arranged on the inner wall of the circumference of the storage tank. According to the coal cooling device, the spray head is buried in a coal pile, gas is input into the branch pipes and the annular pipes under the action of the gas pump, then the gas is sprayed to coal from the spray head, so that the coal is cooled, meanwhile, blades are driven to rotate under the impact of gas flow, the spray head is driven to rotate, and the coal is cooled through rotation; therefore, the deep coal can be ventilated and cooled.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of coal storage, in particular to a coal storage device. BACKGROUND

[0002] Coal is an important part of China's energy structure, and is indispensable in the stable supply of power, steel, chemical and other fields. The current technical shortcomings in the coal storage link are generally low air circulation efficiency and prominent safety risks.

[0003] Currently, fresh air of the existing coal storage bin is sent in from the top inlet, penetrates the coal pile downward after diffusion in the bin, and the dirty air carrying heat is extracted from the bottom exhaust port. Only the upper layer of the coal pile can be effectively covered, and the deep layer coal gas flow penetration is greatly attenuated, resulting in a decrease in deep layer gas exchange efficiency, and easy formation of deep layer heat accumulation blind area. SUMMARY

[0004] (I) Technical problems solved

[0005] In view of the deficiencies of the prior art, the present application provides a coal storage device, which mainly solves the problem that the fresh air of the existing coal storage bin is sent in from the top inlet, penetrates the coal pile downward after diffusion in the bin, and the dirty air carrying heat is extracted from the bottom exhaust port. Only the upper layer of the coal pile can be effectively covered, and the deep layer coal gas flow penetration is greatly attenuated, resulting in a decrease in deep layer gas exchange efficiency, and easy formation of deep layer heat accumulation blind area.

[0006] (II) Technical solutions

[0007] To achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0008] A coal storage device, comprising a storage tank, a feed inlet is arranged at the top of the storage tank, a discharge valve is fixedly connected to the bottom of the storage tank, an air pump is fixedly connected to the top outer wall of the storage tank, an air inlet pipe is sealingly inserted into the air inlet end of the air pump, a hollow pipe is inserted into the top of the storage tank, the other end of the hollow pipe is connected to the air outlet end of the air inlet pipe, a plurality of branch pipes are sealingly inserted into the circumference of the hollow pipe, a plurality of annular pipes are arranged on the inner wall of the circumference of the storage tank, the other end of the branch pipe is sealingly inserted into one side of the annular pipe, a spray head is rotatably inserted into the top of the annular pipe and the branch pipe, a mounting block is fixedly connected to the bottom end of the spray head, a plurality of blades are fixedly connected to the circumferential outer wall of the mounting block.

[0009] Further, a support frame is fixedly connected to the bottom outer wall of the storage tank.

[0010] On the basis of the foregoing scheme, a main control cabinet is fixedly connected to the top outer wall of the storage tank, a controller is arranged in the main control cabinet, and a display screen is embedded on one side of the main control cabinet.

[0011] As a further scheme of the present application, the top inner wall of the storage tank is fixedly connected with a radar material level meter, a methane concentration detector and a dust concentration detector, and the radar material level meter, the methane concentration detector and the dust concentration detector are connected with the controller and the display screen through wires.

[0012] Further, the outer wall of the hollow pipe is fixedly connected with a plurality of temperature sensors, and the temperature sensors are connected with the controller and the display screen through wires.

[0013] On the basis of the foregoing scheme, the top outer wall of the branch pipe and the annular pipe is fixedly connected with a plurality of protective mesh covers, and the protective mesh covers cover the outside of the spray head.

[0014] As a further scheme of the present application, the top of the branch pipe and the annular pipe is embedded with a rubber ring, and the rubber ring is sleeved with the spray head.

[0015] Further, the circumferential inner wall of the storage tank is fixedly connected with a plurality of mounting racks, and the annular pipe is clamped in the mounting rack.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the present application provides a coal storage device, which has the following beneficial effects:

[0018] 1. By burying the spray head in the coal pile, and then inputting gas into the branch pipe and the annular pipe under the action of the air pump, and then spraying from the spray head to the coal, the coal is cooled and cooled, and at the same time, the impingement of the gas flow drives the blade to rotate, thereby driving the spray head to rotate, thereby rotating to cool and cool the coal, so as to ventilate and cool the deep layer of coal.

[0019] 2. The protective mesh cover can separate the spray head from the coal, thereby avoiding the rotation of the spray head being hindered by the coal, so as to avoid affecting the ventilation and cooling of the coal.

[0020] 3. The methane concentration detector and the dust concentration detector detect the methane concentration and the dust concentration in the storage tank, thereby avoiding the methane concentration and the dust concentration in the storage tank being too high, and thereby avoiding the occurrence of spontaneous combustion. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a perspective structural schematic diagram of a coal storage device proposed by the present application;

[0022] Figure 2 It is a bottom view structural schematic diagram of a coal storage device proposed by the present application;

[0023] Figure 3 It is a tank body cross-sectional structural schematic diagram of a coal storage device proposed by the present application;

[0024] Figure 4 Figure 1 is a partially enlarged structural schematic diagram of a coal storage device according to the present application;

[0025] Figure 5 Figure 1 is a partially enlarged structural schematic diagram of a coal storage device according to the present application;

[0026] In the figure: 1, support frame; 2, storage tank; 3, discharge valve; 4, feed inlet; 5, main control cabinet; 6, radar level gauge; 7, methane concentration detector; 8, dust concentration detector; 9, hollow pipe; 10, annular pipe; 11, mounting bracket; 12, temperature sensor; 13, branch pipe; 14, protective mesh cover; 15, spray head; 16, mounting block; 17, blade; 18, rubber ring; 19, air pump; 20, air inlet pipe. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0028] Reference Figures 1-5 A coal storage device includes a storage tank 2, the top of the storage tank 2 is provided with a feed inlet 4, the bottom of the storage tank 2 is connected with a discharge valve 3 through a flange, the diameter of the discharge valve 3 is 150-450 mm, opening the discharge valve 3 facilitates the discharge of coal in the storage tank 2;

[0029] The top outer wall of the storage tank 2 is fixed with an air pump 19 through bolts, the air inlet end of the air pump 19 is sealingly inserted with an air inlet pipe 20, the top of the storage tank 2 is inserted with a hollow pipe 9, the other end of the hollow pipe 9 is connected with the air outlet end of the air inlet pipe 20, the circumference of the hollow pipe 9 is sealingly inserted with a plurality of branch pipes 13, the inner wall of the circumference of the storage tank 2 is provided with a plurality of annular pipes 10, the other end of the branch pipe 13 is sealingly inserted with one side of the annular pipe 10, the top of the annular pipe 10 and the branch pipe 13 is rotatably inserted with a spray head 15, under the action of the air pump 19, the gas is sucked into the air inlet pipe 20, then from the hollow pipe 9 into the branch pipe 13 and the annular pipe 10, and then sprayed from the spray head 15 to the coal, thereby cooling the coal, the bottom end of the spray head 15 is welded with a mounting block 16, the circumferential outer wall of the mounting block 16 is welded with a plurality of blades 17, under the impact of the airflow, the blades 17 are driven to rotate, thereby driving the spray head 15 to rotate, thereby rotating to cool the coal, improving the cooling effect.

[0030] The bottom outer wall of the storage tank 2 is fixed with a support frame 1 through bolts, thereby stably supporting the storage tank 2.

[0031] The top outer wall of the storage tank 2 is fixed with a main control cabinet 5 through bolts, a controller is arranged in the main control cabinet 5, the model of the controller is DATA-7311, and one side of the main control cabinet 5 is embedded with a display screen.

[0032] The top inner wall of the storage tank 2 is fixed with a radar material level meter 6, a methane concentration detector 7 and a dust concentration detector 8 through bolts, the model of the radar material level meter 6 is LR560, the model of the methane concentration detector 7 is X-am5600, and the model of the dust concentration detector 8 is JJFZ-1000, the methane concentration and the dust concentration in the storage tank 2 are detected through the methane concentration detector 7 and the dust concentration detector 8, so that the methane concentration and the dust concentration in the storage tank 2 are prevented from being too high, and the self-ignition is avoided, and the radar material level meter 6, the methane concentration detector 7 and the dust concentration detector 8 are connected with the controller and the display screen through wires.

[0033] The outer wall of the hollow pipe 9 is fixed with a plurality of temperature sensors 12 through bolts, the model of the temperature sensor 12 is ATS1-82, the temperature sensor 12 is connected with the controller and the display screen through wires, the temperature sensor 12 monitors the temperature change in the storage tank 2, and ensures that the coal is stored at a suitable temperature.

[0034] The top outer wall of the branch pipe 13 and the annular pipe 10 is fixed with a plurality of protective mesh covers 14 through bolts, the protective mesh cover 14 covers the outside of the spray head 15, the coal is separated through the protective mesh cover 14, and the rotation of the spray head 15 is prevented from being hindered by the coal.

[0035] The top of the branch pipe 13 and the annular pipe 10 is embedded with a rubber ring 18, the rubber ring 18 is sleeved with the spray head 15, and the gas leakage is prevented.

[0036] The circumferential inner wall of the storage tank 2 is fixed with a plurality of mounting racks 11 through bolts, and the annular pipe 10 is clamped in the mounting rack 11, so that the annular pipe 10 is fixed and installed.

[0037] The working principle of the embodiment is as follows: in use, first, the coal is placed in the storage tank 2 from the feed inlet 4, and the spray head 15 is buried in the coal pile, and the coal is separated through the protective mesh cover 14, so that the rotation of the spray head 15 is prevented from being hindered by the coal;

[0038] When storing, the methane concentration and dust concentration in the storage tank 2 are detected by the methane concentration detector 7 and the dust concentration detector 8, and displayed on the display screen, meanwhile, the temperature in the storage tank 2 is detected by the temperature sensor 12, and the information is transmitted to the controller for processing, when the temperature is too high, the controller controls the air pump 19 to start, under the action of the air pump 19, the gas is sucked into the air pipe 20, then from the hollow pipe 9 into the branch pipe 13, the annular pipe 10, then from the nozzle 15 to the coal, so as to cool the coal, at the same time, under the impact of the airflow, the blade 17 rotates, so as to drive the nozzle 15 to rotate, so as to rotate the coal to cool and cool, improve the cooling effect, finally, the heated gas is discharged from the feed inlet 4.

[0039] The electrical components appearing in the text are all connected with the main controller and 220V mains, and the main controller can be a conventional known device such as a computer.

[0040] In the description in this article, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A coal storage device comprising a storage tank (2), characterized by, The top of the storage tank (2) is provided with a feed inlet (4), the bottom of the storage tank (2) is fixedly connected with a discharge valve (3), the top outer wall of the storage tank (2) is fixedly connected with an air pump (19), the air inlet end of the air pump (19) is sealingly plugged with an air inlet pipe (20), the top of the storage tank (2) is plugged with a hollow pipe (9), the other end of the hollow pipe (9) is connected with the air outlet end of the air inlet pipe (20), the circumference of the hollow pipe (9) is sealingly plugged with a plurality of branch pipes (13), the circumferential inner wall of the storage tank (2) is provided with a plurality of annular pipes (10), the other end of the branch pipe (13) is sealingly plugged with one side of the annular pipe (10), the top of the annular pipe (10) and the branch pipe (13) is rotatably plugged with a spray head (15), the bottom end of the spray head (15) is fixedly connected with a mounting block (16), the circumferential outer wall of the mounting block (16) is fixedly connected with a plurality of blades (17).

2. A storage device for coal as claimed in claim 1 wherein: The bottom outer wall of the storage tank (2) is fixedly connected with a support frame (1).

3. A storage device for coal as claimed in claim 1, wherein: The top outer wall of the storage tank (2) is fixedly connected with a main control cabinet (5), the main control cabinet (5) is provided with a controller, and one side of the main control cabinet (5) is embedded with a display screen.

4. A storage device for coal as claimed in claim 3 wherein: The top inner wall of the storage tank (2) is fixedly connected with a radar material level meter (6), a methane concentration detector (7) and a dust concentration detector (8), and the radar material level meter (6), the methane concentration detector (7) and the dust concentration detector (8) are connected with the controller and the display screen through wires.

5. The coal storage device of claim 1, wherein: The outer wall of the hollow pipe (9) is fixedly connected with a plurality of temperature sensors (12), and the temperature sensors (12) are connected with the controller and the display screen through wires.

6. The coal storage device of claim 1, wherein: The top outer wall of the branch pipe (13) and the annular pipe (10) is fixedly connected with a plurality of protective mesh covers (14), and the protective mesh covers (14) cover the outside of the spray head (15).

7. The coal storage device of claim 1, wherein: The top of the branch pipe (13) and the annular pipe (10) is embedded with a rubber ring (18), and the rubber ring (18) is sleeved with the spray head (15).

8. The coal storage device of claim 1, wherein: The circumferential inner wall of the storage tank (2) is fixedly connected with a plurality of mounting frames (11), and the annular pipe (10) is clamped in the mounting frame (11).

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