Rotational flow device of mining foam dust removal mixing valve

Abstract

The utility model discloses a rotational flow device of a mining foam dust removal mixing valve, which comprises a valve block, a rotational flow sleeve, a secondary shaft sleeve, a secondary fan shaft, a secondary fan shaft clamp spring, a secondary fan, a secondary fan frame, a secondary fan frame clamp spring, a primary fan shaft clamp spring, a primary fan shaft, a primary fan frame rear clamp spring, a primary shaft sleeve and a primary fan frame, a first-stage fan frame front clamping spring, a first-stage fan, a liquid outlet hole, a mixing cavity, an acceleration area, an air inlet hole, an air inlet switch, a foam liquid inlet hole and a liquid inlet K-shaped connector are included.

Description

Technical Field

[0001] This utility model relates to a swirling device for a mining foam dust removal mixing valve, specifically a device that can form a high-speed rotating mixed airflow over a very short distance by mixing gas and liquid airflow. Background Technology

[0002] Currently, most foam spraying devices in coal mines are direct spraying devices, which mix high-pressure air and foam liquid and spray it in a straight line. The spraying area is small and the dust adsorption capacity is poor. However, there is currently no device that sprays the mixture at high speed with a larger spraying area and stronger adsorption capacity to solve this problem. Summary of the Invention

[0003] This utility model addresses the problem that "most foam spray devices in coal mines are direct spray devices, that is, after mixing high-pressure air and foam liquid, they are sprayed in a straight line, resulting in a small spray area and poor dust adsorption capacity; currently, there is no device that sprays the mixture in a high-speed rotating manner, with a larger spray area and stronger adsorption capacity to solve this problem," and proposes a swirling device for a foam dust removal mixing valve for mining.

[0004] The objective of this utility model is achieved through the following technical solution:

[0005] A cyclone device for a foam dust removal mixing valve used in mining includes a valve block 1, a cyclone sleeve 2, a secondary bushing 3, a secondary fan shaft 4, a secondary fan shaft retaining ring 5, a secondary fan 6, a secondary fan frame 7, a secondary fan frame retaining ring 8, a primary fan shaft retaining ring 9, a primary fan shaft 10, a primary fan frame rear retaining ring 11, a primary bushing 12, a primary fan frame 13, a primary fan frame front retaining ring 14, a primary fan 15, a liquid outlet 16, a mixing chamber 17, an acceleration zone 18, an air inlet 19, an air inlet switch 20, a foam liquid inlet 21, and a liquid inlet K-type connector 22, among other components. The secondary fan 6 is characterized in that it is fixed on the secondary fan shaft 4, the secondary fan shaft 4 is inserted into the secondary shaft sleeve 3, and is secured to the tail of the secondary fan shaft 4 by the secondary fan shaft retainer 5. The secondary shaft sleeve 3 is fixed on the secondary fan frame 7 and installed in the vortex sleeve 2, secured by the secondary fan frame retainer 8. The primary fan 15 is fixed on the primary fan shaft 10, the primary fan shaft 10 is inserted into the primary shaft sleeve 12, and is secured to the tail of the primary fan shaft 10 by the primary fan shaft retainer 9. The primary shaft sleeve 12 is fixed on the primary fan frame 13 and installed in the vortex sleeve 2. A retaining spring 11 at the rear of the primary fan frame 13 engages with the end of the primary fan frame 13, and a retaining spring 14 at the front of the primary fan frame 13 engages with the front end of the primary fan frame 13. The valve block 1 has sequentially opened holes for a liquid outlet 16, a mixing chamber 17, an acceleration zone 18, an air inlet 19, and a foam liquid inlet 21 on the side. The air inlet switch 20 is installed in the air inlet 19, and the liquid inlet K-type connector 22 is installed in the foam liquid inlet 21, forming a swirling device for a mining foam dust removal mixing valve.

[0006] To further facilitate control and operation, an air intake switch 20 is installed on the air intake 19 to ensure flexibility in air intake and shut-off.

[0007] This invention has the following advantages over existing spraying devices:

[0008] 1. It has a swirling function: The swirling device is equipped with a first-stage fan 15, which causes the sprayed mixture to be sprayed out in a rotating manner.

[0009] It features easy disassembly: the panels on all four sides of the machine are quick-connected, and quick-lock panels are installed on the panels for easy disassembly and maintenance.

[0010] 2. Features short-distance high-rotation function: A two-stage fan 6 is installed in the 50mm long short-distance vortex sleeve 2. After passing through the first and second stage fans, the mixture will be sprayed out in a high-speed rotating manner.

[0011] 3. Large-area adsorption function: The mixed liquid sprayed from the swirl sleeve 2 is sprayed onto the tunnel face in a high-speed rotating manner. The mixed liquid forms a large area of ​​tiny particles, which have a strong adsorption force on dust and cover a large area.

[0012] 4. Simple structure: The entire swirling device of the mining foam dust removal mixing valve is small in size, light in weight, available in a full range of specifications and models, easy to install, and easy to promote and apply.

[0013] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. Attached Figure Description

[0014] Figure 1 It is a swirl device for a foam dust removal mixing valve used in mining;

[0015] In the picture:

[0016] Valve block 1, swirl sleeve 2, secondary shaft sleeve 3, secondary fan shaft 4, secondary fan shaft retaining ring 5, secondary fan 6, secondary fan frame 7, secondary fan frame retaining ring 8, primary fan shaft retaining ring 9, primary fan shaft 10, primary fan frame rear retaining ring 11, primary shaft sleeve 12, primary fan frame 13, primary fan frame front retaining ring 14, primary fan 15, liquid outlet 16, mixing chamber 17, acceleration zone 18, air inlet 19, air inlet switch 20, foam liquid inlet 21, liquid inlet K-type connector 22. Detailed Implementation

[0017] This utility model embodiment includes a valve block 1, a swirl sleeve 2, a secondary bushing 3, a secondary fan shaft 4, a secondary fan shaft retaining ring 5, a secondary fan 6, a secondary fan frame 7, a secondary fan frame retaining ring 8, a primary fan shaft retaining ring 9, a primary fan shaft 10, a primary fan frame rear retaining ring 11, a primary bushing 12, a primary fan frame 13, a primary fan frame front retaining ring 14, a primary fan 15, a liquid outlet 16, a mixing chamber 17, an acceleration zone 18, an air inlet 19, an air inlet switch 20, a foam liquid inlet 21, and a liquid inlet K-type connector 22; characterized in that... The secondary fan 6 is fixed to the secondary fan shaft 4, which is inserted into the secondary shaft sleeve 3 and secured to the tail of the secondary fan shaft 4 by a secondary fan shaft retainer 5. The secondary shaft sleeve 3 is fixed to the secondary fan frame 7 and installed in the vortex sleeve 2, secured by a secondary fan frame retainer 8. The primary fan 15 is fixed to the primary fan shaft 10, which is inserted into the primary shaft sleeve 12 and secured to the tail of the primary fan shaft 10 by a primary fan shaft retainer 9. The primary shaft sleeve 12 is fixed to the primary fan frame 13 and installed in the vortex sleeve 2. A retaining spring 11 at the rear of the primary fan frame 13 engages with the end of the primary fan frame 13, and a retaining spring 14 at the front of the primary fan frame 13 engages with the front end of the primary fan frame 13. The valve block 1 has sequentially opened holes for a liquid outlet 16, a mixing chamber 17, an acceleration zone 18, an air inlet 19, and a foam liquid inlet 21 on the side. The air inlet switch 20 is installed in the air inlet 19, and the liquid inlet K-type connector 22 is installed in the foam liquid inlet 21, forming a swirling device for a mining foam dust removal mixing valve.

[0018] During operation, high-pressure air enters sequentially from the air inlet switch 20 through the air inlet hole 19, the acceleration zone 18, and the mixing chamber 17; foam liquid enters from the liquid inlet K-type connector 22 through the foam liquid inlet hole 21, and then mixes with the high-pressure air in the mixing chamber 17; when the high-pressure mixture passes through the liquid outlet hole 16 and the primary fan 15, the fan will rotate at high speed to form a rotating mixture. When the mixture passes through the secondary fan 6, the secondary fan 6 will accelerate the mixture a second time and eject it at high speed, which acts as a swirling device of a mining foam dust removal mixing valve.

[0019] When stopping operation, turn on the air inlet switch 20 to stop supplying liquid to the liquid inlet K-type connector 22, and stop the spraying of the vortex sleeve 2; wipe the equipment dry and store it in a clean and dry place.

[0020] Practice has proven that the swirling device of the mining foam dust removal mixing valve manufactured according to the above implementation plan has a swirling sleeve that can be selected between Ø20mm, 25mm, and Ø32mm; the inlet pressure can be selected between 0.3MPa, 0.5MPa, and 0.8MPa. The swirling device of the mining foam dust removal mixing valve is fully functional, operates smoothly, is flexible in adjustment, and is safe and reliable.

Claims

1. A cyclone device of a mine-used foam dust removal mixing valve, comprising a valve block (1), a cyclone sleeve (2), a secondary shaft sleeve (3), a secondary fan shaft (4), a secondary fan shaft snap spring (5), a secondary fan (6), a secondary fan frame (7), a secondary fan frame snap spring (8), a primary fan shaft snap spring (9), a primary fan shaft (10), a primary fan frame rear snap spring (11), a primary shaft sleeve (12), a primary fan frame (13), a primary fan frame front snap spring (14), a primary fan (15), a liquid outlet hole (16), a mixing cavity (17), an acceleration zone (18), an air inlet hole (19), an air inlet switch (20), a foam liquid inlet hole (21), and a liquid inlet K-shaped connector (22); characterized in that The secondary fan (6) is fixed on the secondary fan shaft (4), the secondary fan shaft (4) is inserted in the secondary shaft sleeve (3), the secondary fan shaft (4) tail is clamped by the secondary fan shaft clamp spring (5), the secondary shaft sleeve (3) is fixed on the secondary fan frame (7), and the secondary fan frame (7) is installed in the cyclone sleeve (2) and clamped by the secondary fan frame clamp spring (8); the primary fan (15) is fixed on the primary fan shaft (10), the primary fan shaft (10) is inserted in the primary shaft sleeve (12), the primary fan shaft (10) tail is clamped by the primary fan shaft clamp spring (9), the primary shaft sleeve (12) is fixed on the primary fan frame (13), and the primary fan frame (13) is installed in the cyclone sleeve (2), the primary fan frame rear clamp spring (11) clamps the end of the primary fan frame (13), and the primary fan frame front clamp spring (14) clamps the front end of the primary fan frame (13); the valve block (1) is sequentially provided with a liquid outlet hole (16), a mixing cavity (17), an acceleration zone (18), an air inlet hole (19), and a side foam liquid inlet hole (21); the air inlet switch (20) is installed in the air inlet hole (19), and the liquid inlet K connector (22) is installed in the foam liquid inlet hole (21), and the cyclone device of the mine foam dust removal mixing valve is formed.

2. A cyclone device for a mine foam dust suppression mixing valve according to claim 1 characterised in that High-pressure air enters the air inlet hole (19), the acceleration zone (18) and the mixing cavity (17) from the air inlet switch (20) in sequence; foam liquid enters the foam liquid inlet hole (21) from the liquid inlet K connector (22), and then enters the mixing cavity (17) and is mixed with high-pressure air, the mixed liquid passes through the liquid outlet hole (16), the primary fan (15) and the secondary fan (6), and is sprayed in a high-speed rotating manner through the cyclone sleeve (2), so that the cyclone device of the mine foam dust removal mixing valve is realized.

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