Automatic Slag Discharge and Water Discharge Device for Mining

CN224282723UActive Publication Date: 2026-05-26SHANXI ZHICHENG FLUID POWER EQUIPMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANXI ZHICHENG FLUID POWER EQUIPMENT CO LTD
Filing Date
2025-06-30
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

[0003]现有的放水装置在使用过程中,存在排水排渣效率低、结构复杂、维修不便等问题,因此亟需一种能够自动排水、高效排渣且结构简单的放水装置

Benefits of technology

[0018] 1. This utility model, due to its relatively small size and the presence of visual observation windows on both sides, facilitates movement and installation during actual underground construction.

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Abstract

This utility model discloses an automatic negative pressure slag discharge and water release device for mining, relating to the technical field of mining equipment. It includes a main housing, characterized in that a mechanical control valve is installed at the top of the main housing; a sliding hole is formed on the upper inner wall of the main housing, and a central guide rod is slidably installed inside the sliding hole; a plastic float is connected to the lower end of the central guide rod; a water inlet pipe is connected to one side of the top of the main housing, and a negative pressure balance pipe is connected to the upper side of the water inlet pipe; a slag discharge port is formed at the lower end of the main housing, on the side away from the water inlet pipe, with the plastic float abutting against the slag discharge port; and flap valves are installed at the end of the water inlet pipe near the main housing and on the outside of the slag discharge port. This utility model is relatively small in size and has visual observation windows installed on both sides, facilitating movement and installation during actual underground construction. It can automatically drain water and efficiently discharge slag, eliminating the need for manual drainage. The overall structure is simple, and underground maintenance is convenient.
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Description

Technical Field

[0001] This utility model relates to the field of mining equipment technology, specifically to a negative pressure automatic slag discharge and water release device for mining. Background Technology

[0002] In mine gas drainage pipelines, the full negative pressure automatic slag discharge and water discharge device is a water discharge device used under negative pressure conditions. It is an indispensable automatic water discharge device in coal mine gas drainage systems and is suitable for automatic water discharge during gas drainage and drilling operations.

[0003] Existing water discharge devices suffer from problems such as low drainage and slag removal efficiency, complex structure, and inconvenient maintenance. Therefore, there is an urgent need for a water discharge device that can automatically drain water, efficiently remove slag, and has a simple structure. Utility Model Content

[0004] In view of the problems existing in the above-mentioned mine negative pressure automatic slag discharge and water discharge devices, this utility model is proposed.

[0005] Therefore, the purpose of this utility model is to provide a negative pressure automatic slag discharge and water release device for mines, which solves the problems mentioned in the background art.

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

[0007] A mine negative pressure automatic slag discharge and water discharge device includes a main body. The main body is characterized by having a mechanical control valve at its top, a sliding hole on the upper inner wall of the main body, a central guide rod slidably mounted inside the sliding hole, a plastic float connected to the lower end of the central guide rod, a water inlet pipe connected to one side of the top of the main body, a negative pressure balance pipe connected to the upper side of the water inlet pipe, a slag discharge port at the lower end of the main body, away from the water inlet pipe, the plastic float abutting against the slag discharge port, flap valves installed at the end of the water inlet pipe near the main body and on the outside of the slag discharge port, and openings on both sides of the main body, with transparent observation windows installed on the outside of the openings.

[0008] Preferably, a negative pressure connecting pipe is installed between the mechanical control valve and the negative pressure balance pipe.

[0009] Preferably, a guide plate is provided on the lower side of the interior of the main housing, and the lower end of the guide plate extends to one side of the slag discharge port.

[0010] Preferably, the ends of the water inlet pipe and the negative pressure balance pipe furthest from the main tank are both connected to flanges.

[0011] Preferably, the main housing and the mechanical control valve are stainless steel housing and stainless steel valve, respectively.

[0012] Preferably, the upper part of the plastic float is provided with a float counterweight.

[0013] Preferably, both the top and bottom of the mechanical control valve are made of POM material.

[0014] Preferably, all flap valves are PVC valves.

[0015] Preferably, both of the transparent viewing windows are made of high-strength acrylic sheets.

[0016] Preferably, silicone O-rings are provided on the inner side of both transparent observation windows.

[0017] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0018] 1. This utility model, due to its relatively small size and the presence of visual observation windows on both sides, facilitates movement and installation during actual underground construction.

[0019] 2. This utility model can automatically drain water and efficiently remove slag, eliminating the need for manual drainage.

[0020] 3. This utility model has a simple overall structure and is convenient for underground maintenance. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0022] Figure 1 This is a schematic diagram of the structure of the automatic negative pressure slag discharge and water release device for mining proposed in this utility model;

[0023] Figure 2 for Figure 1 A schematic diagram of the rear-view sectional structure;

[0024] Figure 3 for Figure 1 A three-dimensional view of the main housing;

[0025] Figure 4 for Figure 1 A 3D view of the center guide rod;

[0026] Figure 5 for Figure 1 A 3D view of a plastic float;

[0027] Figure 6 for Figure 1 A 3D view in the central visualization window;

[0028] Figure 7 for Figure 1 A 3D view of a mechanical control valve;

[0029] Figure 8 for Figure 1 A 3D view of the central valve.

[0030] Explanation of reference numerals in the attached figures:

[0031] 1. Main tank; 2. Visual observation window; 3. Mechanical control valve; 4. Central guide rod; 5. Plastic float; 6. Float counterweight; 7. Negative pressure connection air pipe; 8. Flap valve; 9. Water inlet pipe; 10. Negative pressure balance pipe. Detailed Implementation

[0032] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0033] This utility model discloses a mine negative pressure automatic slag discharge and water release device.

[0034] Reference Figure 1-8 A mine negative pressure automatic slag discharge and water release device includes a main housing 1. The main housing 1 is characterized by a mechanical control valve 3 installed at its top, a negative pressure connecting pipe 7 installed between the mechanical control valve 3 and a negative pressure balance pipe 10, a sliding hole on the upper inner wall of the main housing 1, a central guide rod 4 slidably mounted inside the sliding hole, a plastic float 5 connected to the lower end of the central guide rod 4, a water inlet pipe 9 connected to one side of the top of the main housing 1, and a negative pressure balance pipe 10 connected to the upper side of the water inlet pipe 9. A slag discharge port is provided at the lower end of the main body 1 and on the side away from the water inlet pipe 9. The plastic float ball 5 is in contact with the slag discharge port. A flap valve 8 is installed at the end of the water inlet pipe 9 near the main body 1 and on the outside of the slag discharge port. The flap valves are all PVC valves. Openings are provided on both sides of the main body 1. A transparent observation window 2 is installed on the outside of the opening. A silicone O-ring is provided on the inside of both transparent observation windows 2 to improve the sealing between the transparent observation window 2 and the main body 1. Both transparent observation windows 2 are made of high-strength acrylic sheets.

[0035] Reference Figure 1-8 A guide plate is installed on the lower side of the interior of the main box 1, and the lower end of the guide plate extends to one side of the slag discharge port.

[0036] Reference Figure 1-8 The inlet pipe 9 and the negative pressure balance pipe 10 are both connected to flanges at the ends away from the main tank 1.

[0037] Reference Figure 1-8 The main housing 1 and the mechanical control valve 3 are stainless steel housing and stainless steel valve, respectively. The top and bottom of the mechanical control valve 3 are made of POM material.

[0038] Reference Figure 1-8 The upper part of the plastic float 5 is equipped with a float counterweight 6.

[0039] In this invention, during use, both the inlet pipe 9 and the negative pressure balance pipe 10 of the drain device are connected to the drilling pipeline. The negative pressure balance pipe 10 and the inlet valve are open. Under the negative pressure of the gas pipeline, the drain valve is closed. At this time, water from the drilling pipeline can flow into the drain device through the inlet pipe 9. The plastic float 5 rises with the water level. The mechanical fluid control valve 3 switches the negative pressure direction, and the tank is now open to the atmosphere. The inlet valve is closed, and under the static pressure of the accumulated water, the drain valve opens, starting to drain water. The draining speed depends on the liquid level in the tank and the diameter of the drain pipe. As water continues to flow out, the plastic float 5 descends, causing the negative pressure balance pipe 10 to open, and the drain device reconnects to the gas pipeline. The negative pressure direction of the mechanical fluid control valve 3 switches to the tank, and the drain valve closes due to the negative pressure. The plastic float 5 returns to its initial position, and this cycle repeats continuously, achieving automatic water draining. The guide plate on the lower side of the main tank 1 can guide wastewater and waste residue to the slag discharge port for easy discharge.

[0040] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A mine negative pressure automatic slag discharge and water discharge device, comprising a main housing (1), characterized in that, The main body (1) is provided with a mechanical control valve (3) at the top. The upper inner wall of the main body (1) is provided with a sliding hole. A central guide rod (4) is slidably provided inside the sliding hole. A plastic float (5) is connected to the lower end of the central guide rod (4). A water inlet pipe (9) is connected to one side of the top of the main body (1). A negative pressure balance pipe (10) is connected to the upper side of the water inlet pipe (9). A slag discharge port is provided at the lower end of the main body (1) on the side away from the water inlet pipe (9). The plastic float (5) is in contact with the slag discharge port. A flap valve (8) is installed at the end of the water inlet pipe (9) near the main body (1) and on the outside of the slag discharge port. Openings are provided on both sides of the main body (1). A transparent observation window (2) is installed on the outside of the opening.

2. The automatic negative pressure slag discharge and water discharging device for mining according to claim 1, characterized in that, A negative pressure connecting pipe (7) is installed between the mechanical control valve (3) and the negative pressure balance pipe (10).

3. The automatic negative pressure slag discharge and water discharging device for mining according to claim 1, characterized in that, A guide plate is provided on the lower side of the interior of the main box (1), and the lower end of the guide plate extends to one side of the slag discharge port.

4. The automatic negative pressure slag discharge and water discharging device for mining according to claim 1, characterized in that, The inlet pipe (9) and the negative pressure balance pipe (10) are both connected to flanges at the ends away from the main tank (1).

5. The automatic negative pressure slag discharge and water discharging device for mining according to claim 1, characterized in that, The main housing (1) and the mechanical control valve (3) are stainless steel housing and stainless steel valve, respectively.

6. The automatic negative pressure slag discharge and water discharging device for mining according to claim 1, characterized in that, The upper part of the plastic float (5) is provided with a float counterweight (6).

7. The automatic negative pressure slag discharge and water discharging device for mining according to claim 5, characterized in that, The top and bottom of the mechanical control valve (3) are both made of POM material.

8. The automatic negative pressure slag discharge and water discharging device for mining according to claim 1, characterized in that, All flap valves are PVC valves.

9. The automatic negative pressure slag discharge and water discharging device for mining according to claim 1, characterized in that, Both of the transparent viewing windows (2) are made of high-strength acrylic sheets.

10. The automatic negative pressure slag discharge and water discharging device for mining according to claim 1, characterized in that, Silicone O-rings are provided on the inner side of both transparent observation windows (2).