Working face liquid carbon dioxide treatment equipment

Abstract

The utility model relates to the technical field of coal mining, in particular to working face liquid carbon dioxide treatment equipment which comprises a base and a storage tank arranged on the base, an air blowing assembly used for accelerating ventilation in a mine is arranged at the right end of the storage tank, a liquid level window is arranged on the outer wall of the storage tank, and air inlet pipes are symmetrically arranged at the top of the storage tank. A pressure gauge is arranged in the middle of the top of the storage tank. The blowing assembly comprises a blowing cylinder and a wind gathering hopper installed on the left side of the blowing cylinder. According to the working face liquid carbon dioxide treatment equipment, by arranging the base, the storage tank and the air blowing assembly can be conveniently supported, and the storage tank is provided with a liquid level window and a pressure gauge, so that the content and the internal pressure of liquid carbon dioxide stored in the storage tank can be observed in real time; and in cooperation with an air blowing cylinder with a fan, discharged liquid carbon dioxide is evenly blown out, cooling cooperation with the interior of the mine is achieved, air circulation in the mine is accelerated, and the ignition influence caused by temperature accumulation is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining, in particular to a working face liquid carbon dioxide treatment device. Background Technique

[0002] In coal mining, fire and explosion accidents caused by gas or dust often occur, and liquid carbon dioxide is used for cooling to reduce the impact of fire; in coal mining, it is necessary to treat the liquid carbon dioxide on the working face.

[0003] The utility model with the publication number of CN206571522U discloses a liquid CO2 cooling device for high-temperature mine excavation working faces. The device includes a ventilator, an air duct, a liquid CO2 storage tank, a pressure pump, a liquid CO2 delivery pipe, a heat exchanger and a gaseous CO2 discharge pipe, and a number of pressure gauges, thermometers and valves are respectively arranged on the liquid CO2 delivery pipe and the gaseous CO2 discharge pipe for pressure, temperature and flow control; by using this cooling device, the cooling operation is realized through steps such as pressurization, pressure and temperature control, heat exchange cooling and stopping cooling.

[0004] The above technical solution has a simple structure, is easy to operate, has a low equipment input cost and strong operability; by using this device for cooling, while improving the cooling and heat exchange efficiency, reducing production costs, protecting the environment and greatly improving production efficiency, it promotes the application and development of the liquid CO2 phase change refrigeration cooling technology in mines; however, when the liquid carbon dioxide is used for cooling treatment, the internal air is not easy to accelerate circulation, and the storage tank for storing the liquid carbon dioxide is not easy to be quickly disassembled and assembled, is not convenient to replace, and the content of carbon dioxide inside the storage tank cannot be understood in real time. Content of the Utility Model

[0005] The purpose of the utility model is to provide a working face liquid carbon dioxide treatment device to solve the problems put forward in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution:

[0007] A working face liquid carbon dioxide treatment device includes a base and a storage tank arranged on the base. A blowing component for accelerating the ventilation inside the mine is arranged at the right end of the storage tank. A slot is opened at the upper surface of the base near the left side. The bottom of the storage tank is inserted into the slot. A liquid level window is arranged on the outer wall of the storage tank. Air inlet pipes are symmetrically arranged at the top of the storage tank. Sealing valves are arranged in the middle of the air inlet pipes. Threaded columns are arranged near the ends of the air inlet pipes. A pressure gauge is arranged in the middle of the top of the storage tank. The blowing component includes a blowing cylinder and a wind collecting hopper installed on the left side of the blowing cylinder.

[0008] Preferably, the hair dryer is sleeved on the air collecting hopper, and the hinge is connected by a plurality of windshields. The windshields are distributed at equal intervals in a ring shape, and the windshields are inclined.

[0009] In the present utility model, with the cooperation of a plurality of windshields, it is helpful to guide the air at the rear into the interior for facilitating the suction cooperation. The carbon dioxide inside the air collecting hopper quickly enters the hair dryer through the inhaled air, which helps to quickly mix and accelerate the circulation of liquid carbon dioxide.

[0010] Preferably, a fan is provided inside the hair dryer, and a protective net is provided at the right end of the hair dryer.

[0011] In the present utility model, the installation of the fan and the connection of the power supply help to accelerate the air circulation, realize the air circulation inside the mine, thereby reducing the corresponding temperature and reducing the impact of fire. With the cooperation of the protective net, it helps to protect the fan and reduce the touch damage.

[0012] Preferably, a guiding pipe is provided at the left end of the air collecting hopper. A limiting ring is provided at the top of the guiding pipe, and a nut is also sleeved at the end of the guiding pipe.

[0013] In the present utility model, with the cooperation of the limiting ring, it helps to install the nut. By screwing the nut with the threaded column, the combined installation of the guiding pipe and the air inlet pipe is realized, increasing the installation stability.

[0014] Preferably, a mounting seat is provided at the bottom of the hair dryer. The bottom of the mounting seat is fixedly connected to the base by screws. A battery box is provided at the front end of the upper surface of the base, and a storage battery is provided in the battery box.

[0015] In the present utility model, with the cooperation of the mounting seat, it helps to install and fix the hair dryer to the base. With the cooperation of the battery box, it helps to quickly plug and install the storage battery. With the cooperation of the storage battery, it helps to supply power to the fan and avoid the influence of external power supply.

[0016] Preferably, support columns are provided at the lower surface of the base near the four corners. The top of the support column is fixedly welded to the bottom of the base.

[0017] In the present utility model, with the cooperation of the support columns, it helps to hold up the whole.

[0018] Preferably, a plurality of blocks are provided on the outer wall of the storage tank near the bottom. Through holes are opened in the blocks, fastening bolts are provided in the through holes, slots are provided at the corresponding positions of the slots and the blocks, and screw holes are provided at the bottoms of the slots.

[0019] In the utility model, a plurality of card blocks are plugged into and matched with the card slots to realize the installation cooperation between the storage tank and the slot, and the installation cooperation between the card blocks and the card slots increases the stability of the installation, and the fastening bolts pass through the through holes and are threadedly connected with the screw holes to realize the stable installation of the storage tank and the base, and the fastening bolts can be disassembled to facilitate the removal and replacement of the storage tank.

[0020] Preferably, the liquid level window is bonded and fixed to the storage tank, a handle is symmetrically provided on the outer wall of the storage tank near the top, the pressure gauge is fixedly connected to the storage tank by screws, and the bottom of the air intake pipe is welded and fixed to the storage tank.

[0021] In the utility model, the liquid level window is made of tempered glass, and outsiders can observe the content of liquid carbon dioxide inside in real time through the liquid level window. The installation of the handle helps to provide a fulcrum, which is convenient for taking out or installing the storage tank. The cooperation of the pressure gauge helps to observe the internal pressure changes in real time. The cooperation of the two air inlet pipes, one of which is used to fill liquid carbon dioxide, and the other is used for discharge, helps to perform manual control of opening or closing operations with the cooperation of the sealing valve.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] 1. The utility model is convenient for lifting the storage tank and the blowing assembly by arranging a base. The storage tank is provided with a liquid level window and a pressure gauge, which is helpful for real-time observation of the content and internal pressure of the liquid carbon dioxide stored inside. With the cooperation of one of the air inlet pipes, it is connected with the wind collecting bucket through a guide pipe, and cooperates with a blower with a fan to achieve uniform blowing out of the discharged liquid carbon dioxide, realize cooling inside the mine, accelerate the air circulation inside the mine, and reduce the impact of temperature accumulation on fire.

[0024] 2. The utility model provides a plurality of wind shields to connect the hair dryer and the wind collecting bucket, which helps to coordinate the air intake at the left end of the fan and realize uniform exhaust air circulation inside the mine. With the cooperation of the battery box and the storage battery, it helps to coordinate the overall power supply and reduce the entanglement of the external power cord. With the cooperation of the storage battery, it reduces the power outage caused by external force majeure factors. With the cooperation of the protective net, it reduces the damage to the fan caused by objects entering the right end of the hair dryer. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 It is a schematic diagram of the overall use state of the utility model;

[0027] Figure 3 This is a schematic diagram of the storage tank structure of the utility model;

[0028] Figure 4 Structural schematic diagram of the base and the blowing component of the present utility model;

[0029] Figure 5 Structural schematic diagram of the hair dryer barrel and the fan combination of the present utility model.

[0030] The meanings of each label in the figure are as follows:

[0031] 1. Base; 10. Support column; 11. Slot; 12. Card slot; 120. Screw hole;

[0032] 2. Storage tank; 20. Block; 200. Perforation; 201. Fastening bolt; 21. Liquid level window; 22. Handle; 23. Pressure gauge; 24. Air inlet pipe; 240. Threaded column; 241. Sealing valve;

[0033] 3. Blowing component; 30. Hair dryer barrel; 300. Mounting seat; 301. Windshield; 302. Fan; 303. Protective net; 31. Air gathering hopper; 310. Guide pipe; 311. Limit ring; 312. Nut;

[0034] 4. Battery box; 40. Storage battery. Specific implementation manners

[0035] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0036] Please refer to Figures 1 - 5 , this embodiment provides a technical solution:

[0037] A working face liquid carbon dioxide treatment device includes a base 1 and a storage tank 2 provided on the base 1. Support columns 10 are provided at the lower surface of the base 1 near the four corners, and the top of the support column 10 is welded and fixed to the bottom of the base 1.

[0038] In the present utility model, with the cooperation of the support columns 10, it is helpful to lift the whole.

[0039] It should be noted that a blowing component 3 for accelerating the ventilation inside the mine is provided at the right end of the storage tank 2. A slot 11 is opened on the upper surface of the base 1 near the left side. The bottom of the storage tank 2 is inserted into the slot 11. A liquid level window 21 is provided on the outer wall of the storage tank 2. The top of the storage tank 2 is symmetrically provided with intake pipes 24. Sealing valves 241 are provided in the middle of the intake pipes 24. Threaded posts 240 are provided near the ends of the intake pipes 24. A pressure gauge 23 is provided in the middle of the top of the storage tank 2. The blowing component 3 includes a blowing cylinder 30 and a wind collecting hopper 31 installed on the left side of the blowing cylinder 30.

[0040] Furthermore, the blowing cylinder 30 is sleeved on the wind collecting hopper 31, and the hinged part is connected by a plurality of wind blocking pieces 301. The wind blocking pieces 301 are distributed at equal intervals in a ring shape, and the wind blocking pieces 301 are inclined.

[0041] In the present utility model, with the cooperation of a plurality of wind blocking pieces 301, it helps to guide the air at the rear into the interior, facilitating the suction cooperation. The carbon dioxide inside the wind collecting hopper 31 quickly enters the blowing cylinder 30 through the inhaled air, which helps to quickly mix and accelerate the circulation of liquid carbon dioxide.

[0042] Specifically, a fan 302 is provided inside the blowing cylinder 30, and a protective net 303 is provided at the right end of the blowing cylinder 30.

[0043] In the present utility model, the installation of the fan 302 and the connection to the power supply help to accelerate the air circulation, realize the air circulation inside the mine, and thus reduce the corresponding temperature and the impact of fire. With the cooperation of the protective net 303, it helps to protect the fan 302 and reduce the touch damage.

[0044] Furthermore, a guiding pipe 310 is provided at the left end of the wind collecting hopper 31. A limiting ring 311 is provided at the top of the guiding pipe 310, and a nut 312 is also sleeved at the end of the guiding pipe 310.

[0045] In the present utility model, with the cooperation of the limiting ring 311, it helps the installation of the nut 312. By threading the nut 312 onto the threaded post 240, the combined installation of the guiding pipe 310 and the intake pipe 24 is realized, increasing the installation stability.

[0046] Specifically, a mounting seat 300 is provided at the bottom of the blowing cylinder 30. The bottom of the mounting seat 300 is fixedly connected to the base 1 by screws. A battery box 4 is provided on the upper surface of the base 1 near the front end. A storage battery 40 is provided in the battery box 4.

[0047] In the present utility model, with the cooperation of the mounting seat 300, it helps to install and fix the blowing cylinder 30 to the base 1. With the cooperation of the battery box 4, it helps the quick plug-in installation and cooperation of the storage battery 40. With the cooperation of the storage battery 40, it helps to supply power to the fan 302 for use, avoiding the influence of external power supply.

[0048] It should be noted that a plurality of blocks 20 are provided on the outer wall of the storage tank 2 near the bottom, each block 20 is provided with a through hole 200, each through hole 200 is provided with a fastening bolt 201, a slot 12 is provided in the slot 11 at a position corresponding to the block 20, and a screw hole 120 is provided at the bottom of the slot 12.

[0049] In the utility model, a plurality of card blocks 20 are plugged into and matched with the card slots 12 to realize the installation and matching of the storage tank 2 and the slot 11, and the card blocks 20 are installed and matched with the card slots 12 to increase the stability of the installation, and the fastening bolts 201 pass through the through holes 200 and are threadedly connected with the screw holes 120 to realize the stable installation of the storage tank 2 and the base 1, and the disassembly of the fastening bolts 201 facilitates the removal and replacement of the storage tank 2.

[0050] Furthermore, the liquid level window 21 is bonded and fixed to the storage tank 2 , a handle 22 is symmetrically provided on the outer wall of the storage tank 2 near the top, the pressure gauge 23 is fixed to the storage tank 2 by screws, and the bottom of the air inlet pipe 24 is welded and fixed to the storage tank 2 .

[0051] In the utility model, the liquid level window 21 is made of tempered glass, and outsiders can observe the content of liquid carbon dioxide inside in real time through the liquid level window 21. The installation of the handle 22 helps to provide a fulcrum, which is convenient for taking out or installing the storage tank 2. The cooperation of the pressure gauge 23 helps to observe the internal pressure changes in real time. The cooperation of the two air inlet pipes 24, one of which is used to fill liquid carbon dioxide, and the other is used for discharge, helps to manually control the opening or closing operation with the cooperation of the sealing valve 241.

[0052] When the working face liquid carbon dioxide treatment equipment of this embodiment is used, the user first plugs the liquid level window 21 and the storage tank 2 into the card slot 12 in the slot 11 through the card block 20, and the fastening bolt 201 passes through the through hole 200 and is threadedly connected with the screw hole 120, and then the hair dryer 30 with the fan 302 is combined and connected with the wind collecting bucket 31 through the wind shield 301, and the guide pipe 310 is plugged into the right side of the air intake pipe 24, and the nut 312 is threadedly connected with the threaded column 240, so as to increase the stability of the installation of the guide pipe 310 and the air intake pipe 24;

[0053] The corresponding storage battery 40 is inserted and fitted with the battery box 4. The storage battery 40 is electrically connected to the fan 302 through a wire. The control switch of the fan 302 is started to realize the accelerated circulation of the air inside the mine by the hair dryer 30. The left air inlet pipe 24 on the storage tank 2 facilitates the replenishment of liquid carbon dioxide inside the storage tank 2. When it is necessary to cool the inside of the mine, the sealing valve 241 on the right air inlet pipe 24 is opened, and the internal liquid carbon dioxide is continuously discharged for the corresponding cooling. Through the liquid level window 21, the internal content is observed in real time, which helps to replenish in time. The overall combined installation is convenient, and the fastening bolts 201 on the storage tank 2 are disassembled, which helps to replace the storage tank 2. The nuts 312 are disassembled conveniently, which helps to quickly combine and install the guiding pipe 310 and the air inlet pipe 24.

Claims

1. A working face liquid carbon dioxide treatment device, comprising a base (1) and a storage tank (2) provided on the base (1), wherein a blowing assembly (3) for accelerating ventilation inside a mine is provided at the right end of the storage tank (2), characterized in that: A slot (11) is provided on the upper surface of the base (1) near the left side, and the bottom of the storage tank (2) is plugged into the slot (11). A liquid level window (21) is provided on the outer wall of the storage tank (2). An air inlet pipe (24) is symmetrically provided on the top of the storage tank (2). A sealing valve (241) is provided in the middle of the air inlet pipe (24). A threaded column (240) is provided near the end of the air inlet pipe (24). A pressure gauge (23) is provided in the middle of the top of the storage tank (2). The blowing assembly (3) includes a blowing tube (30) and a wind collecting bucket (31) installed on the left side of the blowing tube (30).

2. The working face liquid carbon dioxide treatment equipment according to claim 1 is characterized in that: The hair dryer (30) is sleeved on the wind collecting scoop (31), and is connected at a hinged position via a plurality of wind shielding pieces (301). The wind shielding pieces (301) are distributed in a circular shape with equal intervals, and the wind shielding pieces (301) are inclined.

3. The working face liquid carbon dioxide treatment equipment according to claim 1 is characterized in that: A fan (302) is provided inside the hair dryer (30), and a protective net (303) is provided at the right end of the hair dryer (30).

4. The working face liquid carbon dioxide treatment equipment according to claim 1, characterized in that: A guide tube (310) is provided at the left end of the wind collecting scoop (31), a limiting ring (311) is provided at the top of the guide tube (310), and a nut (312) is also sleeved at the end of the guide tube (310).

5. The working face liquid carbon dioxide treatment equipment according to claim 1 is characterized in that: A mounting seat (300) is provided at the bottom of the hair dryer (30), and the bottom of the mounting seat (300) is fixedly connected to the base (1) by screws. A battery box (4) is provided on the upper surface of the base (1) near the front end, and a storage battery (40) is provided in the battery box (4).

6. The working face liquid carbon dioxide treatment equipment according to claim 1, characterized in that: Support columns (10) are provided on the lower surface of the base (1) near the four corners, and the tops of the support columns (10) are welded and fixed to the bottom of the base (1).

7. The working face liquid carbon dioxide treatment equipment according to claim 1, characterized in that: A plurality of blocks (20) are provided on the outer wall of the storage tank (2) near the bottom, each of the blocks (20) is provided with a through hole (200), each of the through holes (200) is provided with a fastening bolt (201), a slot (12) is provided in the slot (11) at a position corresponding to the block (20), and a screw hole (120) is provided at the bottom of the slot (12).

8. The working face liquid carbon dioxide treatment equipment according to claim 1, characterized in that: The liquid level window (21) is bonded and fixed to the storage tank (2); a handle (22) is symmetrically provided on the outer wall of the storage tank (2) near the top; the pressure gauge (23) is fixedly connected to the storage tank (2) by screws; and the bottom of the air inlet pipe (24) is welded and fixed to the storage tank (2).

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