Mining foam slurry production and supply equipment

Abstract

The utility model discloses mining foam slurry production and supply equipment which comprises a stirrer, a foam maker, a foaming agent feeder, a solid material conveyor and a water suction pump, and one outlet end of the water suction pump and the outlet end of the foaming agent feeder are gathered and connected to one inlet end of the foam maker. The other outlet end of the water suction pump is connected with one inlet end of the stirrer, and the other inlet end of the stirrer is connected with the outlet end of the solid material conveyor; the other inlet end of the foam maker is connected with the outlet end of the compressed air device, the outlet ends of the stirrer and the foam maker are respectively connected with two inlet ends of the mixer, and the outlet end of the mixer is connected with the inlet end of the grouting pump. Through the matching design of the foaming agent feeder, the solid material conveyor, the foam maker, the mixer, the stirrer and the flow meter, the mixing uniformity and the control precision can be improved; the operation is simple, and the need of manual intervention is reduced, so that the working efficiency and the production efficiency are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mining equipment, in particular to a mining foam slurry production and supply equipment. Background Art

[0002] Mine fire is one of the major natural disasters in coal mines. Mine fire not only causes huge material losses to the mine, but is also an important cause of casualties among underground workers. In mine fire prevention, foam slurry is widely used in closed filling, plugging air leaks and other operations to prevent the occurrence of coal spontaneous combustion accidents in mines.

[0003] However, existing foam slurry production and supply equipment has the following problems: (1) Uneven mixing: Traditional agitators and foaming devices are difficult to achieve sufficient mixing of liquid and solid materials, resulting in uneven foam slurry and unstable quality, which affects the construction effect; (2) Low control accuracy: Existing equipment is not precise enough in controlling the feeding amount of foaming agent, water, etc., and cannot ensure that each component is accurately proportioned according to the preset ratio, thereby affecting the performance of the foam slurry; (3) Low efficiency: Existing production and supply equipment requires a lot of manual intervention, which increases the difficulty of operation and maintenance costs; resulting in low production efficiency and cannot meet the needs of large-scale production and rapid construction.

[0004] In order to solve the above problems, the utility model provides a mining foam slurry production and supply equipment, which improves mixing uniformity, control accuracy and production efficiency, and reduces energy consumption and operation complexity by optimizing the equipment structure and control method. Utility Model Content

[0005] The utility model aims at solving the above problems, makes up for the deficiencies of the prior art, and provides a mining foam slurry production and supply device.

[0006] In order to achieve the above-mentioned purpose, the present utility model adopts the following technical solutions.

[0007] The utility model provides a mining foam slurry production and supply equipment, which includes a stirrer, a foaming device, a foaming agent feeder, a solid material conveyor and a water pump. One outlet end of the water pump and the outlet end of the foaming agent feeder are collectively connected to an inlet end of the foamer, the other outlet end of the water pump is connected to an inlet end of the stirrer, and the other inlet end of the stirrer is connected to the outlet end of the solid material conveyor; the other inlet end of the foamer is connected to the outlet end of the compressed air device, the outlet ends of the stirrer and the foamer are respectively connected to the two inlet ends of the mixer, and the outlet end of the mixer is connected to the inlet end of the grouting pump; the foamer includes a container body and a fixing seat. The container body is arranged on a fixed seat, and a high-pressure air inlet and a mixed liquid inlet are respectively arranged on the side of the lower part of the container body. The high-pressure air inlet and the mixed liquid inlet are arranged on a pipeline, and the high-pressure air inlet and the mixed liquid inlet are connected with the interior of the container body through this pipeline; the container body above the high-pressure air inlet and the mixed liquid inlet is filled with a porous medium body, and a first foam outlet connected to the porous medium body inside the container body is arranged on the side of the upper part of the container body; the high-pressure air inlet is connected to the outlet end of the compressed air device, the mixed liquid inlet is connected to the gathering port of the water pump and the foaming agent feeder, and the first foam outlet is connected to an inlet end of the mixer.

[0008] As a preferred solution of the present invention, both outlet ends of the water pump are connected to flow meters, and the outlet end of the foaming agent feeder is connected to a flow meter.

[0009] As another preferred solution of the present invention, a filter is connected between the outlet end of the agitator and one inlet end of the mixer.

[0010] As another preferred embodiment of the present invention, the agitator includes a mixing barrel and a base. The mixing barrel is fixed on the base. A driving mechanism is arranged above the top of the mixing barrel. The power output end of the driving mechanism is connected to a screw-type stirring paddle arranged at the center of the mixing barrel. A material addition port is provided on one side of the upper part of the mixing barrel, and the material addition port is connected to the outlet end of the solid material conveyor. A slurry outlet is provided on one side of the lower part of the mixing barrel, and a water inlet is provided on the lower part of the mixing barrel on the side opposite to the slurry outlet. The water inlet is connected to the other outlet end of the water pump, and the slurry outlet is connected to the filter.

[0011] Furthermore, the driving mechanism includes a reducer and a motor. The motor is fixed above the top of the mixing barrel through a motor base. The reducer is arranged on the motor base. The reducer is connected to the output shaft of the motor. The reducer is connected to the upper end of the screw-type stirring paddle through a coupling.

[0012] Furthermore, a stop valve is provided on the water inlet at the lower part of the mixing barrel opposite to the slurry outlet.

[0013] As another preferred embodiment of the present invention, the mixer includes a mixing tank body and a hollow rod. The hollow rod runs through the mixing tank body, one end of the hollow rod is a foam inlet end, and the other end is a blocking end. Both ends of the hollow rod are exposed outside the mixing tank body; a slurry inlet and a foam slurry outlet are respectively provided on the mixing tank body, and a second foam outlet is evenly distributed on the hollow rod; guide wheel blades are provided around the hollow rod near the slurry inlet, and the guide wheel blades are driven by a rotary driver provided on the outside of the mixing tank body to realize rotation in the mixing tank body; the foam inlet is connected to the first foam outlet of the foamer, the slurry inlet is connected to the slurry outlet of the agitator, and the foam slurry outlet is connected to the inlet end of the grouting pump.

[0014] Beneficial effects of the utility model:

[0015] 1. Through the coordinated design of the foaming agent feeder, solid material conveyor, foamer, mixer, agitator, and flow meter, the utility model provides a mining foam slurry production and supply equipment, which can improve mixing uniformity and control accuracy; the entire foam slurry production and supply equipment is simple to operate, reduces the need for manual intervention, reduces operational complexity, and thus improves work efficiency and production efficiency.

[0016] 2. Through the flow meter, the feeding amount of foaming agent and water can be controlled accurately enough to ensure accurate mixing according to the preset ratio, thereby ensuring the performance of the foam slurry. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a schematic diagram of the overall structure of a mining foam slurry production and supply equipment.

[0018] Figure 2 The utility model is a structural schematic diagram of a foamer of a mining foam slurry production and supply equipment.

[0019] Figure 3 The utility model is a structural schematic diagram of a mixer of a mining foam slurry production and supply equipment.

[0020] Figure 4 The utility model is a structural schematic diagram of an agitator of a mining foam slurry production and supply equipment.

[0021] Markings in the figure: 1-foaming agent feeder; 2-solid material conveyor; 3-flow meter; 4-air pressure device; 5-foamer; 6-water pump; 7-mixer; 8-grouting pump; 9-agitator; 10-filter; 11-high-pressure air inlet; 12-mixed liquid inlet; 13-fixed seat; 14-porous medium body; 15-first foam outlet; 20-mixing tank body; 21-foam inlet; 22-slurry inlet; 23-guide wheel blade; 24-second foam outlet; 25-hollow rod; 26-foam slurry outlet; 31-stop valve; 32-screw stirring paddle; 33-reducer; 34-motor; 35-material inlet; 36-mixing barrel; 37-slurry outlet; 38-base. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0023] Combine Figures 1 to 4 As shown, a mining foam slurry production and supply equipment provided by an embodiment of the present invention includes a stirrer 9, a foamer 5, a foaming agent feeder 1, a solid material conveyor 2 and a water pump 6. One outlet end of the water pump 6 and the outlet end of the foaming agent feeder 1 are collectively connected to an inlet end of the foamer 5, the other outlet end of the water pump 6 is connected to an inlet end of the stirrer 9, and the other inlet end of the stirrer 9 is connected to the outlet end of the solid material conveyor 2; the other inlet end of the foamer 5 is connected to the outlet end of the compressed air device 4, the outlet ends of the stirrer 9 and the foamer 5 are respectively connected to the two inlet ends of the mixer 7, and the outlet end of the mixer 7 is connected to the inlet end of the grouting pump 8; the foamer 5 includes a container body and a fixing seat 13. The container body is arranged on the fixing seat 13, and the sides of the lower part of the container body are respectively provided with There is a high-pressure air inlet 11 and a mixed liquid inlet 12, which are arranged on a pipeline, and the high-pressure air inlet 11 and the mixed liquid inlet 12 are connected to the interior of the container body through this pipeline; the container body above the high-pressure air inlet 11 and the mixed liquid inlet 12 is filled with a porous medium body 14, and a first foam outlet 15 connected to the porous medium body 14 inside the container body is arranged on the side of the upper part of the container body; the high-pressure air inlet 11 is connected to the outlet end of the compressed air device 4, the mixed liquid inlet 12 is connected to the collecting port of the water pump 6 and the foaming agent feeder 1, and the first foam outlet 15 is connected to an inlet end of the mixer 7; through the above-mentioned structural design of the foamer 5 of the utility model, it is possible to deliver uniform foam with a high foaming multiple.

[0024] The two outlet ends of the water pump 6 are connected to a flow meter 3, and the outlet end of the foaming agent feeder 1 is connected to a flow meter 3; the flow meter 3 is set to assist in real-time monitoring and control of the feeding amount of the foaming agent and water to ensure that the feeding amount of the foaming agent and water reaches a preset matching ratio to ensure accuracy.

[0025] A filter 10 is connected between the outlet end of the agitator 9 and one inlet end of the mixer 7. The filter 10 can filter the slurry output by the agitator 9 to filter out larger particles and unbroken block impurities to ensure the uniformity of the slurry delivered to the mixer 7.

[0026] The agitator 9 includes a mixing barrel 36 and a base 38. The mixing barrel 36 is fixed on the base 38. A driving mechanism is provided above the top of the mixing barrel 36. The power output end of the driving mechanism is connected to a screw-type stirring paddle 32 provided at the center of the mixing barrel 36; a material addition port 35 is provided on one side of the upper portion of the mixing barrel 36, and the material addition port 35 is connected to the outlet end of the solid material conveyor 2; a slurry outlet 37 is provided on one side of the lower portion of the mixing barrel 36, and a water inlet is provided on the lower portion of the mixing barrel 36 on the opposite side of the slurry outlet 37; the water inlet is connected to the other outlet end of the water pump 6, and the slurry outlet 37 is connected to the filter 10.

[0027] The driving mechanism includes a reducer 33 and a motor 34. The motor 34 is fixed above the top of the mixing barrel 36 through a motor 34 seat. The reducer 33 is arranged on the motor 34 seat. The reducer 33 is connected to the output shaft of the motor 34. The reducer 33 is connected to the upper end of the screw stirring paddle 32 through a coupling.

[0028] A stop valve 31 is provided on the water inlet at the lower portion of the mixing barrel 36 opposite to the slurry outlet 37 . The stop valve 31 ensures that the water drawn into the mixing barrel 36 will not flow back.

[0029] The mixer 7 includes a mixing tank body 20 and a hollow rod 25. The hollow rod 25 runs through the mixing tank body 20, one end of the hollow rod 25 is a foam inlet 21 and the other end is a blocking end, and both ends of the hollow rod 25 are exposed outside the mixing tank body 20; the mixing tank body 20 is respectively provided with a slurry inlet 22 and a foam slurry outlet 26, and a second foam outlet 24 is evenly distributed on the hollow rod 25; a guide wheel blade 23 is arranged around the hollow rod 25 located near the slurry inlet 22, and the guide wheel blade 23 is driven by a rotary driver arranged on the outside of the mixing tank body 20 to rotate in the mixing tank body 20; the foam inlet 21 is connected to the first foam outlet 15 of the foamer 5, the slurry inlet 22 is connected to the slurry outlet 37 of the agitator 9, and the foam slurry outlet 26 is connected to the inlet end of the grouting pump 8; through the above-mentioned structural design of the mixer 7 of the utility model, the slurry and foam can be fully contacted, ensuring the quality stability and mixing uniformity of the foam slurry.

[0030] The working process of the present invention is described in combination with the above technical solutions and the accompanying drawings:

[0031] (1) On the one hand, cement, fly ash and other additives are prepared into a solid mixture according to a preset mixing ratio, and the solid mixture is conveyed to the mixer 9 using a solid material conveyor 2;

[0032] (2) While conveying the solid mixture, use the water pump 6 and the flow meter 3 to convey water into the agitator 9 according to a preset mixing ratio. Under the action of the screw-type stirring paddle 32 of the agitator 9, the water and the solid mixture are stirred to form a uniform slurry;

[0033] (3) On the other hand, the foaming agent feeder 1, the water pump 6 and the flow meter 3 are used to mix the foaming agent and water according to a preset mixing ratio and deliver the mixture to the foamer 5. The foam is formed into a foam group under the action of the porous medium body 14 in the foamer 5.

[0034] (4) The uniform slurry and the foam group are then transported to the mixer 7, where the uniform slurry and the foam group are uniformly mixed under the action of the guide blades 23 of the mixer 7 to obtain a foam slurry;

[0035] (5) Finally, the foam slurry obtained in (4) is transported to the mine application site using a grouting pump 8, and the foam slurry is sealed and filled to complete the air leakage operation on the coal in the mine, which can effectively prevent the occurrence of coal spontaneous combustion accidents in the mine.

[0036] It can be understood that the above specific description of the present invention is only used to illustrate the present invention and is not limited to the technical solutions described in the embodiments of the present invention. Ordinary technicians in this field should understand that the present invention can still be modified or replaced by equivalents to achieve the same technical effects; as long as the use requirements are met, they are within the scope of protection of the present invention.

Claims

1. A mining foam slurry production and supply equipment, characterized by: It includes a stirrer, a foamer, a foaming agent feeder, a solid material conveyor and a water pump. One outlet end of the water pump and the outlet end of the foaming agent feeder are connected to an inlet end of the foamer. The other outlet end of the water pump is connected to an inlet end of the stirrer. The other inlet end of the stirrer is connected to the outlet end of the solid material conveyor. The other inlet end of the foamer is connected to the outlet end of the compressed air device. The outlet ends of the stirrer and the foamer are respectively connected to the two inlet ends of the mixer. The outlet end of the mixer is connected to the inlet end of the grouting pump. The foamer includes a container body and a fixing seat. The container body is set on the fixing seat. A high-pressure air inlet and a mixed liquid inlet are respectively provided on the side of the lower part of the container body. The high-pressure air inlet and the mixed liquid inlet are arranged on a pipeline, and the high-pressure air inlet and the mixed liquid inlet are connected with the interior of the container body through this pipeline; the container body above the high-pressure air inlet and the mixed liquid inlet is filled with a porous medium body, and a first foam outlet connected to the porous medium body inside the container body is provided on the side of the upper part of the container body; the high-pressure air inlet is connected to the outlet end of the compressed air device, the mixed liquid inlet is connected to the gathering port of the water pump and the foaming agent feeder, and the first foam outlet is connected to an inlet end of the mixer.

2. The mining foam slurry production and supply equipment according to claim 1, characterized in that: Both outlet ends of the water pump are connected to flow meters, and the outlet end of the foaming agent feeder is connected to a flow meter.

3. The mining foam slurry production and supply equipment according to claim 1, characterized in that: A filter is connected between the outlet end of the stirrer and one inlet end of the mixer.

4. The mining foam slurry production and supply equipment according to claim 3, characterized in that: The agitator includes a mixing barrel and a base. The mixing barrel is fixed on the base. A driving mechanism is arranged above the top of the mixing barrel. The power output end of the driving mechanism is connected to a screw-type stirring paddle arranged at the center of the mixing barrel. A material addition port is provided on one side of the upper part of the mixing barrel, and the material addition port is connected to the outlet end of the solid material conveyor. A slurry outlet is provided on one side of the lower part of the mixing barrel, and a water inlet is provided on the lower part of the mixing barrel on the side opposite to the slurry outlet. The water inlet is connected to the other outlet end of the water pump, and the slurry outlet is connected to the filter.

5. The mining foam slurry production and supply equipment according to claim 4, characterized in that: The driving mechanism includes a reducer and a motor. The motor is fixed above the top of the mixing barrel through a motor base. The reducer is arranged on the motor base and is connected to the output shaft of the motor. The reducer is connected to the upper end of the screw stirring paddle through a coupling.

6. The mining foam slurry production and supply equipment according to claim 4, characterized in that: A stop valve is provided on the water inlet at the lower part of the mixing barrel on the side opposite to the slurry outlet.

7. The mining foam slurry production and supply equipment according to claim 4, characterized in that: The mixer includes a mixing tank body and a hollow rod. The hollow rod runs through the mixing tank body, one end of the hollow rod is a foam inlet end, and the other end is a blocking end. Both ends of the hollow rod are exposed outside the mixing tank body. A slurry inlet and a foam slurry outlet are respectively provided on the mixing tank body, and a second foam outlet is evenly distributed on the hollow rod. Guide wheel blades are provided around the hollow rod located near the slurry inlet, and the guide wheel blades are driven by a rotary driver provided on the outside of the mixing tank body to rotate in the mixing tank body. The foam inlet is connected to the first foam outlet of the foamer, the slurry inlet is connected to the slurry outlet of the agitator, and the foam slurry outlet is connected to the inlet end of the grouting pump.

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