A vacuum resonance separation system and method for treating mud and water in underground coal mines

By using cyclic nylon screens and vacuum negative pressure combined with high frequency vibration in underground operations of coal mines, the problems of low filtration efficiency and high cost caused by the fixed number of screens in underground coal mines are solved, and efficient and stable mud-water separation is achieved.

CN120305742BActive Publication Date: 2025-09-02WAFANGDIAN SECOND EXPLOSION-PROOF ELECTRICAL APPLIANCE MFG CO LTD
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Patent Information

Application Number
CN202510788297.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-06-13
Publication Date
2025-09-02
Estimated Expiration
2045-06-13

AI Technical Summary

Technical Problem

The existing solid-liquid separation equipment has problems such as low filtration efficiency or high cost due to fixed screen mesh mesh mesh in underground operations of coal mines, and the screen mesh is prone to damage in complex environments.

Method used

The cyclic nylon screen is used to combine vacuum negative pressure and high-frequency vibration, and the water body penetrates the screen through vacuum negative pressure and discharges in a directional manner. It strengthens the particulate matter separation with vibration. A vacuum fan and an L-shaped drainage pipe are used to form a vacuum cavity to achieve negative pressure differential separation.

Benefits of technology

It improves the sludge-water solid-liquid separation speed and system stability, reduces the manufacturing cost and risk of damage of screens, and avoids the potential for deposition caused by untimely handling.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to the technical field of solid-liquid separation, and discloses a vacuum resonance separation system and method for treating mud and water in underground coal mine operations. The vacuum resonance separation system for treating mud and water in underground coal mine operations comprises: a mud and water conveying module; a water stabilization module connected to the mud and water conveying module, for balancing the water volume and water quality fluctuations of the mud and water; a solid-liquid separation module, comprising: a separator body, a circulatory screen assembly, a vibration generating assembly, and a vacuum generating assembly. The present invention replaces the traditional metal screen with a circulatory nylon screen, combines the synergistic effect of vacuum negative pressure and high-frequency vibration, and solves the problem that a fixed mesh screen is difficult to balance filtration efficiency and fine particle separation while reducing the screen manufacturing cost and the risk of damage; accelerates water to penetrate the screen and discharge it in a directional manner through vacuum negative pressure, and cooperates with vibration to strengthen the separation of particulate matter, thereby avoiding the hidden danger of sedimentation caused by untimely treatment of mud and water in underground coal mines.
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Description

Technical Field

[0001] The present invention relates to the technical field of solid-liquid separation, and more particularly to a vacuum resonance separation system and method for treating mud and water in underground coal mine operations. Background Art

[0002] During the operations at the coal mining face and tunneling face at the front end of the coal mine, water gushing is prone to occur in some areas with a lot of groundwater. These gushing waters not only contain production water, but also are mixed with a large amount of coal slime and suspended matter. These coal slimes and suspended matter flow underground with the gushing water. If not handled in time, they will accumulate for a long time and then be deposited in various corners, posing a great hidden danger to the normal production and safety of the coal mine. The existing solution is to use solid-liquid separation equipment to separate the muddy water into solid and liquid, and then discharge the separated water and sludge separately.

[0003] At present, traditional solid-liquid separation equipment mainly uses vibration to perform separation operations. Although this method can screen out some large particles in the water, it has certain shortcomings. For example, the mesh number of the screen is fixed. When the mesh number is too small, the screening efficiency is extremely low and cannot meet the needs of efficient water treatment. When the mesh number is too large, although the screening ability of small particles can be improved, the manufacturing cost of the screen will become high. At the same time, high-mesh metal screens are often not strong and are easily damaged in the complex working environment underground in coal mines. Summary of the Invention

[0004] The purpose of the present invention is to provide a vacuum resonance separation system and method for treating mud and water in underground coal mines to solve the above-mentioned technical problems.

[0005] The present invention solves the above-mentioned technical problems through the following technical solutions:

[0006] The present invention provides a vacuum resonance separation system for treating mud and water in underground coal mines, comprising:

[0007] Mud and water conveying module;

[0008] The water stabilization module is connected to the muddy water conveying module to balance the fluctuation of the water volume and water quality of the muddy water;

[0009] The solid-liquid separation module includes: a separator body, a circulatory screen assembly, a vibration generating assembly, and a vacuum generating assembly;

[0010] The separator body is in communication with the water stabilization module and is provided with a negative pressure chamber therein;

[0011] The screen assembly is arranged in the separator body, and its upper working surface covers the top of the negative pressure chamber;

[0012] The vibration generating assembly is arranged at the bottom of the upper working surface of the screen assembly, and is used to drive the screen assembly to vibrate at a high frequency to accelerate the solid-liquid separation;

[0013] The vacuum generating assembly includes a vacuum blower and an L-shaped drainage pipe, the drainage pipe is connected to the negative pressure chamber, a partition plate with a through groove is provided at the junction of the horizontal section and the vertical section, and a baffle plate is provided in the vertical section. The partition plate and the baffle plate form a vacuum chamber, and the vacuum blower is connected to the vacuum chamber to generate a vacuum negative pressure in the negative pressure chamber;

[0014] The particle conveying module is provided at the output end of the solid-liquid separation module and is used to convey the particles intercepted by the screen to the accumulation area.

[0015] Preferably, the water stabilization module is a water stabilization tank fixed at one end of the separator body, and an overflow port is provided at the upper end of the water stabilization tank for discharging excess muddy water.

[0016] Preferably, the screen assembly includes an annular screen and a circulating drive assembly for driving the annular screen to circulate, and the mesh size of the annular screen is 46-500 meshes.

[0017] Preferably, the vibration generating assembly includes a plurality of vibration bars evenly distributed in the separator body, and a pneumatic vibrator is provided at the bottom of each vibration bar.

[0018] Preferably, an intercepting member for isolating the vacuum blower from the water flow is provided at the upper end of the vacuum chamber, and a vacuum pressure regulating member for regulating the pressure of the negative pressure chamber is provided at the upper end of the drainage pipe.

[0019] Preferably, a filter assembly is provided at the bottom of the drainage pipe, and the filter assembly includes a filter bin, the top of the filter bin is provided with symmetrically distributed inlet holes and outlet holes, the bottom wall of the filter bin is evenly distributed with filter inclined plates, the top of the filter bin is slidingly provided with a blocking plate for blocking the inlet hole, a support spring is fixed between the blocking plate and the filter bin, the top of the filter bin is hinged with a cover plate for blocking the outlet hole, the hinged end of the cover plate is provided with a torsion spring, and one side of the drainage pipe is provided with an adjustment part for adjusting the height of the barrier plate.

[0020] Preferably, the adjusting member includes an adjusting screw that rotates on the outside of the drainage pipe, and the adjusting screw is threadedly connected to the upper end of the blocking plate.

[0021] Preferably, the particle conveying module includes a lifting conveyor belt and a horizontal linear conveyor belt, and the lifting conveyor belt is connected to the end of the screen assembly to transfer the particle to the horizontal linear conveyor belt.

[0022] Preferably, a muddy water flow sensor and a vacuum pressure sensor are further provided in the separator body for real-time monitoring of the muddy water flow and the negative pressure chamber pressure, and for linkage control with the vacuum fan and the vacuum air conditioning and pressure components.

[0023] As another embodiment of the present invention, a method for treating muddy water in underground coal mines is also provided, comprising the following steps:

[0024] S100: The underground muddy water is introduced into the water stabilization module for buffer storage, balancing water quality and flow fluctuations, and regulating the water level in the module;

[0025] S200: The homogenized muddy water is transported to the solid-liquid separation module, where it is continuously filtered through a circulating screen. Vibration is applied to the screen to accelerate the separation of particles from the water.

[0026] S300: A vacuum negative pressure environment is formed under the screen, and the filtered water is accelerated by the negative pressure difference and discharged in a directional manner through the negative pressure drainage channel;

[0027] S400: The solid particles retained by the screen are moved along with the screen to the collection area and transported to the preset accumulation area through the conveying module. At the same time, the vacuum negative pressure intensity is monitored and adjusted in real time to optimize the separation efficiency.

[0028] The beneficial effects of the present invention are:

[0029] The present invention adopts a nylon screen with circular motion to replace the traditional metal screen, and combines the synergistic effect of vacuum negative pressure and high-frequency vibration. While reducing the manufacturing cost and damage risk of the screen, it solves the problem that fixed mesh screens are difficult to balance filtration efficiency and fine particle separation. The vacuum negative pressure is used to accelerate the water to penetrate the screen and discharge it in a targeted manner. The vibration is used to enhance the separation of particulate matter, thereby improving the solid-liquid separation speed of mud and water and the stability of the system, and avoiding the hidden danger of sedimentation of mud and water in coal mines due to untimely treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a structural schematic diagram of a vacuum resonance separation system for treating mud and water in underground coal mines provided by the present invention;

[0031] Figure 2 This is a structural schematic diagram from a first perspective of a solid-liquid separation module in a vacuum resonance separation system for treating mud and water in underground coal mines provided by the present invention;

[0032] Figure 3 This is a structural schematic diagram from a second perspective of a solid-liquid separation module in a vacuum resonance separation system for treating mud and water in underground coal mines provided by the present invention;

[0033] Figure 4This is a side view of a solid-liquid separation module in a vacuum resonance separation system for treating mud and water in underground coal mines provided by the present invention;

[0034] Figure 5 yes Figure 4 Cross-section of the middle AA surface;

[0035] Figure 6 yes Figure 4 Cross-section of the middle BB surface;

[0036] Figure 7 yes Figure 4 Cross-section of the middle CC plane;

[0037] Figure 8 This is a schematic structural diagram of a second embodiment of a solid-liquid separation module according to the present invention;

[0038] Figure 9 This invention Figure 8 A local enlarged schematic diagram of point a in the middle;

[0039] Figure 10 This invention Figure 8 A partial enlarged schematic diagram of point b in the middle.

[0040] Figure: 1. Mud and water conveying module; 2. Water stabilization module; 3. Solid-liquid separation module; 31. Separator body; 311. Negative pressure chamber; 312. Water inlet; 32. Screen assembly; 321. Annular screen; 322. Circulation drive element; 33. Vibration generating assembly; 331. Vibration bar; 332. Pneumatic vibrator; 34. Vacuum generating assembly; 341. Vacuum fan; 342. Drain pipe; 343. Separator plate; 344. Vacuum chamber; 345. Interceptor; 346. Vacuum air conditioning component; 347. Blocking plate; 35. Filter assembly; 351. Filter chamber; 352. Inlet hole; 353. Discharge hole; 354. Filter inclined plate; 355. Sealing plate; 356. Support spring; 357. Cover plate; 358. Torsion spring; 359. Adjusting screw; 4. Particle conveying module; 5. Mud and water pool; 6. Drainage ditch; 7. Water storage tank. DETAILED DESCRIPTION

[0041] The subject matter described herein will now be discussed with reference to exemplary embodiments. It should be understood that these embodiments are discussed solely to enable those skilled in the art to better understand and implement the subject matter described herein, and that the functions and arrangements of the elements discussed may be varied without departing from the scope of this specification. Various examples may omit, substitute, or add various processes or components as needed. In addition, features described with respect to some examples may also be combined in other examples.

[0042] Example 1, please refer to Figures 1 to 2A vacuum resonance separation system for treating mud and water in underground coal mine operations includes: a mud and water conveying module 1, a water stabilization module 2, a solid-liquid separation module 3, and a particle conveying module 4. The mud and water conveying module 1 can be a water pump, which is connected to the water stabilization module 2 through a pipeline to convey the mud and water into the water stabilization module 2; the water stabilization module 2 is connected to the mud and water conveying module 1 and is used to balance the water volume and water quality fluctuations of the mud and water. The water stabilization module 2 is a water stabilization tank fixed at one end of the separator body 31, and an overflow port is also provided at its upper end for discharging excess mud and water; the particle conveying module 4 is provided at one end of the fixed liquid separation module, and is used to convey the separated particulate matter to a preset accumulation area outside. The particle conveying module 4 includes a lifting conveyor belt and a horizontal linear conveyor belt. The lifting conveyor belt is connected to the end of the screen assembly 32 to transfer the particulate matter to the horizontal linear conveyor belt.

[0043] Please refer to Figures 3 to 6 The solid-liquid separation module 3 is connected to the water stabilization module 2, and is mainly used for solid-liquid separation of muddy water and separation of particulate impurities in the water. It includes: a separator body 31, a negative pressure chamber 311, a circulatively movable screen assembly 32, a vibration generating assembly 33 and a vacuum generating assembly 34. Among them, a water inlet 312 is provided at one end of the separator body 31, and the stabilizing water tank is connected to the water inlet 312. A guide plate is provided near the water inlet 312 of the separator body 31, and the muddy water flows from the stabilizing water tank to the water inlet 312, and then flows from the guide plate to the screen assembly 32; the negative pressure chamber 311 is provided in the separator body 31, and its cross section is approximately bowl-shaped, and the top is open; the circulatively movable screen assembly 32 is provided in the separator body 31, and its upper working surface is located above the negative pressure chamber 311, covering the top of the negative pressure chamber 311, and the screen assembly 32 is used for continuous transportation and filtration of muddy water; the vibration generating assembly Component 33 is arranged at the bottom of the working surface of the screen component 32, and is used to vibrate the working surface of the screen, so as to promote the rapid separation of particulate matter and water in the mud and water; the vacuum generating component 34 is arranged on one side of the separator body 31 and is connected to the negative pressure chamber 311. During filtration, the negative pressure chamber 311 can be adjusted to a vacuum state to generate a negative pressure effect on the mud and water passing through the screen. Combined with the vibration effect of the screen, the water in the mud and water can be quickly extracted and guided out of the separator body 31, so as to achieve the purpose of accelerating the solid-liquid separation speed. Even if the mesh size of the screen is fixed, rapid filtration can be achieved through the negative pressure generated by the vacuum generating component 34.

[0044] Please refer to Figures 3 to 5The vacuum generating assembly 34 includes a vacuum blower 341 and an L-shaped drainage pipe 342 connected to the negative pressure chamber 311. A partition plate 343 is provided at the junction of the horizontal section and the vertical section of the drainage pipe 342. A through groove is provided on the upper end of the partition plate 343. A blocking plate 347 is provided near the vertical section of the drainage pipe 342 near the partition plate 343. The bottom end of the blocking plate 347 is lower than the bottom end of the through groove. In this way, a height difference is formed between the partition plate 343 and the blocking plate 347, which can reduce the entry of external air from the end of the drainage pipe 342 during subsequent vacuuming. ; The blocking plate 347 and the vertical section of the drainage pipe 342 form a vacuum chamber 344, and one end of the vacuum fan 341 is connected to the upper end of the vacuum chamber 344; the upper end of the vacuum chamber 344 is provided with an intercepting member 345 for waterproofing and isolating the vacuum fan 341, and the intercepting member 345 can be a hydrophobic filter or a waterproof breathable membrane, which can allow air to pass through but block liquid water from penetrating, thereby preventing water from entering the vacuum fan 341 and maintaining smooth airflow in the negative pressure environment; and the upper end of the drainage pipe 342 is provided with a vacuum pressure regulating member 346, which can be a pressure valve.

[0045] When filtering muddy water, the vacuum fan 341 is operated to quickly extract the air inside the vacuum chamber 344, and then the air inside the negative pressure chamber 311 is gradually extracted, so that negative pressure is generated in the negative pressure chamber 311. At the same time, the vibration generating component 33 drives the screen component 32 to vibrate at high frequency. Under the combined action of negative pressure and vibration, the sludge particles and water in the muddy water are quickly separated. The separated water enters the negative pressure chamber 311, then flows to the vacuum chamber 344, and is finally discharged from the end of the drainage pipe 342. During the operation of the vacuum fan 341, the intercepting component 345 intercepts the water to prevent it from entering the vacuum fan 341. When the state of the muddy water changes, such as the increase or decrease of the particulate matter content, the vacuum air compression component 346 can be used to adapt and adjust the pressure inside the negative pressure chamber 311 to maintain the filtering effect of the muddy water.

[0046] Please refer to Figures 5 to 7 The screen assembly 32 includes an annular screen 321 and a circulating drive 322. The circulating drive 322 is used to drive the annular screen 321 to perform a circulating motion. The annular screen 321 can be made of nylon or stainless steel. The present invention preferably uses a nylon screen. The nylon screen has high mechanical strength, good toughness, excellent tensile and compressive strength, and can withstand large external forces. Secondly, it has a strong ability to absorb impacts, stress vibrations, and has high impact strength. Even in a complex working environment, it can effectively resist the impact of particles in muddy water. Furthermore, the nylon screen is wear-resistant and corrosion-resistant, and can maintain excellent performance even in a high-temperature environment. Using nylon material to make the screen is not only low-cost, but also has a good screening effect and a longer service life than a metal screen. In addition, the mesh number of the annular screen 321 is generally 46-500 mesh, and the specific mesh number needs to be selected according to actual usage.

[0047] The vibration generating assembly 33 includes several evenly distributed vibration bars 331. A pneumatic vibrator 332 is provided at the bottom of each vibration bar 331. The pneumatic vibrator 332 drives the vibration bar 331 to vibrate at high frequency, thereby realizing the rapid separation of particles and water in muddy water. The vibration frequency of the pneumatic vibrator 332 is generally 20-100Hz.

[0048] In addition, a mud and water flow sensor and a vacuum pressure sensor can be set in the separator body 31 to monitor the mud and water flow and the pressure of the negative pressure chamber 311 in real time, and to be linked with the vacuum fan 341 and the vacuum air pressure component 346 for control, so as to realize intelligent regulation of mud and water and better and more effective separation of mud and water.

[0049] In the second embodiment, although the above solution achieves rapid separation between water and particulate matter in muddy water, it is still difficult for relatively fine particulate matter to separate. Therefore, in order to further filter the fine particulate matter in the muddy water to improve the purity of the filtered water and facilitate the subsequent direct use of the water, the present invention further improves the above solution. The difference from the first embodiment is that:

[0050] Please refer to Figures 8 to 10 A filter assembly 35 is provided at the bottom of the drainage pipe 342. This assembly includes a filter chamber 351 fixed to the bottom of the drainage pipe 342. The top of the filter chamber 351 is provided with an inlet hole 352 and an outlet hole 353 symmetrically distributed about a baffle plate 347. Sloping filter plates 354 are evenly distributed on the bottom wall of the filter chamber 351. A blocking plate 355 is slidably provided at the top of the filter chamber 351 to block the inlet hole 352. A support spring 356 is fixed between the blocking plate 355 and the filter chamber 351. A cover plate 357 is hingedly connected to the top of the filter chamber 351 to block the outlet hole 353. A torsion spring 358 is provided at the hinged end of the cover plate 357. An adjustment member for adjusting the height of the baffle plate 347 is provided on one side of the drainage pipe 342. The adjustment member includes an adjustment screw 359 that rotates on the outside of the drainage pipe 342 and is threadedly connected to the upper end of the baffle plate 347.

[0051] When it is necessary to further filter the fine particles in the water, the drainage pipe 342 needs to be switched to the filtering mode. When switching, the baffle plate 347 can be driven to move downward synchronously by rotating the adjusting screw 359. When the bottom of the baffle plate 347 contacts the top of the blocking plate 355, the adjusting screw 359 is continued to be rotated so that the baffle plate 347 generates a downward pressure on the blocking plate 355, and the support spring 356 is compressed synchronously. When the baffle plate 347 moves down to the maximum displacement, the adjusting screw 359 can no longer be rotated. At this time, the blocking plate 355 is separated from the inlet hole 352, so that the filter chamber 351 is connected to the bottom of the negative pressure chamber 311, and because the bottom of the baffle plate 347 contacts the top of the blocking plate 355, the filter chamber 351 is connected to the bottom of the negative pressure chamber 311. The original channel is closed, and the drainage pipe 342 is switched to the filtering mode. When the water filtered by the annular screen 321 enters the vacuum chamber 344, it directly enters the filter chamber 351 through the water inlet hole. When passing through the filter inclined plate 354, the heavier fine particles at the lower end of the water are intercepted by the filter inclined plate 354. As the water in the filter chamber 351 gradually increases, an upward squeezing force is generated on the cover plate 357, and finally the cover plate 357 is lifted up. Then the water flows out from the discharge hole 353, and then is finally discharged through the partition plate 343. In this way, by introducing the filtered water into the filter chamber 351 for secondary filtration, the fine particles in the water can be further filtered to achieve the purpose of improving the water filtration effect. It can be seen from this that the above scheme sets the original fixed baffle plate 347 to an adjustable form. On the one hand, the height of the baffle plate 347 can be adjusted individually to meet the needs of different drainage volumes; on the other hand, the baffle plate 347 can be used in conjunction with the blocking plate 355. The blocking plate 347 is used to squeeze the blocking plate 355 to open the inlet hole 352, thereby closing the original channel and simultaneously opening the filter chamber 351.

[0052] In addition, in order to further improve the performance of the vacuum resonance separation system, the present invention also provides an automatic search for resonance points function, which is mainly achieved through the automatic search software installed on the control end. The software is based on the real-time target detection algorithm model Yolo and cooperates with the OpenCV monocular camera ranging to achieve it. Among them, the Yolo detection algorithm converts the target detection task into a regression problem, and realizes the positioning and classification of the target through a single neural network, thereby greatly improving the detection efficiency. In this project, a model that can identify coal balls is constructed through training.

[0053] During specific use, open the automatic search software directly on the control end, and you can choose whether to enable the "automatic search function". If the communication is normal at this time, it can work automatically without any operation. The current status can be displayed on the display end, including the frequency speed of the currently identified coal balls, the diameter of the coal balls, and whether the current vibration frequency meets the standard. The principle of monocular camera ranging is the similar triangle method. Place a calibration object near the screen, and calculate its distance from the camera based on the actual size of the calibration object. Then compare it with the target detection object detected by yolo to obtain the actual size of the coal ball. Calculate the weighted average of the identified target and compare it with the set range. If the actual value is less than the setting, a signal is sent to the control end to increase the vibration frequency. Otherwise, it is reduced until the actual value is within the set range and no further adjustment is made, unless the actual value is judged to be out of the set range for 30 consecutive times, and the above steps are repeated.

[0054] In the third embodiment, the present invention further provides a method for treating muddy water in underground coal mines, which is applied to the above-mentioned vacuum resonance separation system for treating muddy water in underground coal mines, and includes the following steps:

[0055] S100: Mud and water homogenization and flow regulation

[0056] The underground muddy water is introduced into the water stabilization module 2 for buffer storage, balancing water quality and flow fluctuations, and regulating the water level in the module;

[0057] S200: Vibration-enhanced solid-liquid separation

[0058] The homogenized muddy water is transported to the solid-liquid separation module 3, where it is continuously filtered by a circulating screen, while vibration is applied to the screen to accelerate the separation of particles from the water.

[0059] S300: Vacuum negative pressure synergistic filtration

[0060] A vacuum negative pressure environment is formed under the screen, and the filtered water is quickly extracted using the negative pressure difference, and discharged in a direction through the negative pressure drainage channel;

[0061] S400: Isolate classification output

[0062] The solid particles retained by the screen are moved along with the screen circulation to the collection area and transported to the preset accumulation area through the conveying module. At the same time, the vacuum negative pressure intensity is monitored and adjusted in real time to optimize the separation efficiency.

[0063] The above describes the embodiments of the present invention, but the present invention is not limited to the above specific implementation methods. The above specific implementation methods are merely illustrative and not restrictive. Ordinary technicians in this field can also make many forms under the guidance of the present invention, all of which are protected by the present invention.

Claims

1. A vacuum resonance separation system for treating mud and water in underground coal mines, characterized in that: include: Mud and water conveying module; The water stabilization module is connected to the muddy water conveying module to balance the fluctuation of the water volume and water quality of the muddy water; The solid-liquid separation module includes: a separator body, a circulatory screen assembly, a vibration generating assembly, and a vacuum generating assembly; The separator body is in communication with the water stabilization module and is provided with a negative pressure chamber therein; The screen assembly is arranged in the separator body, and its upper working surface covers the top of the negative pressure chamber; The vibration generating assembly is arranged at the bottom of the upper working surface of the screen assembly, and is used to drive the screen assembly to vibrate at a high frequency to accelerate the solid-liquid separation; The vacuum generating assembly includes a vacuum blower and an L-shaped drainage pipe, the drainage pipe is connected to the negative pressure chamber, a partition plate with a through groove is provided at the junction of the horizontal section and the vertical section, and a baffle plate is provided in the vertical section. The partition plate and the baffle plate form a vacuum chamber, and the vacuum blower is connected to the vacuum chamber to generate a vacuum negative pressure in the negative pressure chamber; A particle conveying module is provided at the output end of the solid-liquid separation module and is used to convey the particles intercepted by the screen to the accumulation area; A filter assembly is provided at the bottom of the drainage pipe, and the filter assembly includes a filter bin, a symmetrically distributed inlet hole and outlet hole are provided at the top of the filter bin, and filter inclined plates are evenly distributed on the bottom wall of the filter bin. A sealing plate for sealing the inlet hole is slidingly provided on the top of the filter bin, and a support spring is fixed between the sealing plate and the filter bin. A cover plate for sealing the outlet hole is hingedly provided on the top of the filter bin, and a torsion spring is provided at the hinged end of the cover plate. An adjusting member for adjusting the height of the barrier plate is provided on one side of the drainage pipe.

2. A vacuum resonance separation system for treating mud and water in underground coal mines according to claim 1, characterized in that: The water stabilization module is a water stabilization tank fixed at one end of the separator body. An overflow port is provided at the upper end of the water stabilization tank for discharging excess muddy water.

3. A vacuum resonance separation system for treating mud and water in underground coal mines according to claim 1, characterized in that: The screen assembly includes an annular screen and a circulation drive assembly for driving the annular screen to circulate. The mesh number of the annular screen is 46-500 meshes.

4. A vacuum resonance separation system for treating mud and water in underground coal mines according to claim 1, characterized in that: The vibration generating assembly includes a plurality of vibration bars evenly distributed in the separator body, and a pneumatic vibrator is provided at the bottom of each vibration bar.

5. The vacuum resonance separation system for treating mud and water in underground coal mines according to claim 1, characterized in that: An intercepting member for isolating the vacuum blower from the water flow is provided at the upper end of the vacuum chamber, and a vacuum pressure regulating member for regulating the pressure of the negative pressure chamber is provided at the upper end of the drainage pipe.

6. The vacuum resonance separation system for treating mud and water in underground coal mines according to claim 1, characterized in that: The adjusting member comprises an adjusting screw which rotates on the outside of the drainage pipe, and the adjusting screw is threadedly connected to the upper end of the blocking plate.

7. The vacuum resonance separation system for treating mud and water in underground coal mines according to claim 1, characterized in that: The particle conveying module includes a lifting conveyor belt and a horizontal linear conveyor belt. The lifting conveyor belt is connected to the end of the screen assembly to transfer the particles to the horizontal linear conveyor belt.

8. The vacuum resonance separation system for treating mud and water in underground coal mines according to claim 1, characterized in that: The separator body is also provided with a muddy water flow sensor and a vacuum pressure sensor for real-time monitoring of the muddy water flow and the negative pressure chamber pressure, and is linked with the vacuum fan and the vacuum air conditioning and pressure components for control.

9. A method for treating muddy water in underground coal mines, applied to a vacuum resonance separation system for treating muddy water in underground coal mines as claimed in any one of claims 1 to 8, characterized in that: The following steps are included: S100: The underground muddy water is introduced into the water stabilization module for buffer storage, balancing water quality and flow fluctuations, and regulating the water level in the module; S200: The homogenized muddy water is transported to the solid-liquid separation module, where it is continuously filtered through a circulating screen. Vibration is applied to the screen to accelerate the separation of particles from the water. S300: A vacuum negative pressure environment is formed under the screen, and the filtered water is accelerated by the negative pressure difference and discharged in a directional manner through the negative pressure drainage channel; S400: The solid particles retained by the screen are moved along with the screen to the collection area and transported to the preset accumulation area through the conveying module. At the same time, the vacuum negative pressure intensity is monitored and adjusted in real time to optimize the separation efficiency.

Citation Information

Patent Citations

  • Coal mine underground solid-liquid separator

    CN119034322A