CN209742963U - Self-weight slag and water discharging device - Google Patents

Abstract

Self-gravity slag discharge water device, including a closed outer box, the upper right side of the outer box is provided with a connecting cylinder, the top of the connecting cylinder is provided with a water inlet, and the lower part of the right side of the outer box is provided with an external drain pipe. There is a balanced air inlet on the upper part of the side, and a water storage tank with an open top is installed inside the outer box. The outer wall of the water storage tank is slidingly fitted with the inner side wall of the outer box. The bottom of the water storage tank is a conical structure with a thick top and a thin bottom. The right side of the conical structure at the bottom of the water storage tank is connected with an inner drainage pipe that can communicate with the outer drainage pipe, and an elastic reset and water inlet sealing mechanism connected with the water storage tank is arranged inside the outer box. The utility model adopts a purely mechanical principle and structure as a whole, has good reliability, and also ensures the safety in the environment of high gas content in coal mines, improves the smoothness of drainage, and relies on self-weight, spring force and magnet attraction. Realize fully automatic operation and reduce production cost.

Description

Self-weight slag drainer

technical field

The utility model belongs to the technical field of gas drainage, and in particular relates to a self-weight type slag discharge water drainer.

Background technique

Gas drainage is a task that almost all coal mines must carry out. During the gas drainage process, it is necessary to install slag discharge and water discharge devices to discharge the accumulated water and coal dust in the pipeline, so as to ensure the normal gas extraction.

The existing slag discharge and water discharge devices are divided into two types. One is to install an outer box in the low-lying part of the pipeline, and manually open the valve to release water regularly. This kind of outer box is generally large in size and inconvenient to install in the tunnel. In addition, the gas pipeline along the way It is time-consuming and laborious to install multiple slag discharge water dischargers, each of which is manually drained; the second is the automatic water discharge device, most of which use a pressure balance device to control the valve through electricity. Considering that the gas is flammable and explosive, an electric current isolation device must be installed to make The cost has increased greatly, safety hazards still exist, and the adoption rate of coal mines is small. In addition, the outer boxes of most existing slag discharge and water discharge devices generally adopt a flat-bottomed structure, and coal dust is easy to accumulate and cause blockage, which greatly reduces the practicability. Therefore, while realizing the basic functions, the slag discharge and water discharge device also needs to improve its safety performance and cost.

Utility model content

In order to solve the deficiencies in the prior art, the utility model provides a self-weight slag discharge water drainer which is small in size, easy to install, adopts a purely mechanical structure, has high safety and reliability, and is not easy to be blocked.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical scheme: a self-weight slag discharge water release device, including a three-way pipe and a closed outer box, the upper end of the three-way pipe is connected to the bottom of the gas extraction branch pipe, and the three-way pipe The horizontal interface of the horizontal interface is connected to the borehole gas drainage pipeline. A connecting cylinder is arranged on the upper right side of the outer box, and the right end of the connecting cylinder is blocked. The lower part of the right side of the box body is provided with an external drain pipe, the upper part of the left side of the outer box body is provided with a balanced air inlet, and a water storage tank with an open top is arranged inside the outer box body, and the outer side wall of the water storage tank slides with the inner side wall of the outer box body In cooperation, the bottom of the water storage tank is a conical structure with a thick top and a thin bottom. The right side of the conical structure at the bottom of the water storage tank is connected with an inner drain pipe that can communicate with the outer drain pipe. Elastic reset and water inlet sealing mechanism.

The elastic return and water inlet sealing mechanism includes connecting seat, lifting lug, limit table, lever, sealing plug, connecting rod, fixing frame and spring. The lower part of the fixing frame is fixed on the inner wall of the water storage tank, and the upper part of the fixing frame protrudes from the top of the water storage tank. , the limiting platform is fixed on the inner wall of the outer box, the position of the limiting platform is located above the exhaust port and below the connecting cylinder, the connecting seat is fixed on the top inner wall of the outer box, the upper end of the spring is fixedly connected to the connecting seat, the lifting lug It is fixed on the top inner wall of the connecting cylinder and is located on the left side of the water inlet. The middle part of the lever is hinged to the lower end of the lifting lug on the right side. The sealing plug is fixed on the right end of the lever and is located below the water inlet. The lower end of the rod is hinged on the upper end of the fixed frame, and the lower end of the spring is fixedly connected to the top of the left end of the connecting rod; under the action of spring tension, the upper end of the water storage tank is press-fitted with the lower surface of the limiting platform, and the inner drain is located at the outer drain. above.

The right end of the inner drainage pipe is provided with a wear-resistant sealing ring which is slidingly and sealingly matched with the inner wall of the water storage tank.

The lower part of the inner wall of the connecting cylinder is arranged with a low left and a right high slope.

The bottom of the outer box is provided with a lower magnet, and the outer bottom of the water storage tank is provided with an upper magnet directly above the lower magnet. The magnetic poles of the lower surface of the upper magnet and the upper surface of the lower magnet are opposite; When they are together, the right end of the inner drain pipe is connected with the left end of the outer drain pipe correspondingly, and the water inlet is blocked by a plug at the same time, and the balance air inlet is communicated with the inside of the outer box body.

By adopting the above-mentioned technical scheme, the slag discharge method of the self-weight type slag discharge water drainer of the present invention comprises the following steps,

(1) Connect the borehole gas drainage pipeline with the horizontal interface of the tee pipe, and connect the gas drainage branch pipe with the upper end interface of the tee pipe;

(2) Gas, water, and slag enter the three-way pipe through the borehole gas extraction pipeline. Under the action of negative pressure drainage, it enters the gas drainage branch pipe;

(3) In the initial state where there is no water and slag in the water storage tank, the spring has a certain amount of expansion and contraction. The spring force is equal to the gravity of the water storage tank plus the force between the upper limit platform and the water storage tank. When entering the water storage tank, the spring is gradually stretched downward, the water storage tank slides down along the inner wall of the outer box, the left end of the lever moves down, the lever takes the lifting lug as the fulcrum, and the sealing plug at the right end of the lever rises gradually;

(4) As the water storage tank slides down slowly, the distance between the upper magnet at the outer bottom of the water storage tank and the lower magnet at the inner bottom of the outer tank decreases, and the attraction force increases, and the spring continues to be stretched, acting as the upper magnet and the lower magnet. When the fast suction position is reached, the upper magnet quickly moves down and is attracted together by the lower magnet. At the same time, the sealing plug moves upward to block the water inlet, and the balance air inlet is connected with the inside of the outer box. The air pressure is equal, the inner drain pipe and the outer drain pipe are correspondingly connected, and the water in the water storage tank and the slag settled to the bottom are discharged from the inner drain pipe and the outer drain pipe;

(5) After the water and slag are discharged, when the sum of the gravity of the water storage tank, the gravity of the water slag in the water storage tank and the magnetic attraction force is less than the elastic force of the spring, the spring shrinks upward, the upper magnet and the lower magnet are separated, and the water storage tank moves along the outer box. The inner wall rises, the right end of the inner drain pipe moves upwards and separates from the outer drain pipe, the balance air inlet is blocked, the plug moves downward and leaves the water inlet, the water storage tank rises to the limit platform and stops, and the water inlet is opened to continue the water storage work;

(6) Steps (3)-(5) are continuously circulated, and slag and water are continuously discharged.

The utility model has the following technical effects:

1. The lower part of the inner wall of the connecting cylinder is set with a low left and a right high slope, which helps water and slag fall into the water storage tank from the tee pipe and avoids blockage in the connecting cylinder.

2. The right end of the inner drain pipe is provided with a wear-resistant sealing ring that slides and seals with the inner wall of the water storage tank to prevent water leakage from the inner drain pipe when the inner drain pipe is located above the outer drain pipe, affecting the continuous progress of automatic slag discharge and drainage.

3. The utility model adopts a purely mechanical principle and structure as a whole, has good reliability, and also ensures safety in the environment of high gas content in coal mines.

4. The bottom of the water storage tank adopts a conical structure, so that coal dust or cinders are not easy to pile up when they settle at the bottom of the water storage tank, and improve the smoothness of drainage.

5. The outer box body and water storage tank can be made of toughened hard plastic, which is convenient for workers to observe the environment inside the box and deal with failures in time.

6. Fully automatic operation is realized by self-weight, spring force and magnet attraction, without using electric energy, which reduces production costs, reduces the use of current isolating devices, and saves labor and working hours at the same time.

Description of drawings

Fig. 1 is the schematic diagram of the utility model under the state of water storage;

Fig. 2 is a schematic diagram of the utility model in a drainage state.

Detailed ways

As shown in Figure 1 and Figure 2, the self-weight type slag discharge water release device of the present utility model includes a three-way pipe 1 and a closed outer box body 2, and the upper end interface of the three-way pipe 1 is connected to the bottom of the gas extraction branch pipe 3, The horizontal interface of the three-way pipe 1 is connected with the borehole gas drainage pipeline 4. A connecting cylinder 5 is arranged on the upper right side of the outer box 2, and the right end of the connecting cylinder 5 is blocked. The top of the connecting cylinder 5 is provided with a water inlet 6, and the water inlet 6 is connected with the lower end interface of the tee pipe 1, the outer drain pipe 7 is arranged on the lower right side of the outer box body 2, the balance air inlet 8 is arranged on the upper left side of the outer box body 2, and the top opening is arranged inside the outer box body 2 The water storage tank 9, the outer wall of the water storage tank 9 is slidingly matched with the inner side wall of the outer box body 2, the bottom of the water storage tank 9 is a conical structure with a thick top and a thin bottom, and the right side of the conical structure at the bottom of the water storage tank 9 is connected. The inner drain pipe 10 correspondingly communicated with the outer drain pipe 7 and the outer box body 2 are provided with an elastic reset and water inlet sealing mechanism connected with the water storage tank 9 .

The elastic reset and water inlet sealing mechanism includes a connecting seat 11, a lifting lug 12, a limit table 13, a lever 14, a sealing plug 15, a connecting rod 16, a fixed frame 17 and a spring 18, and the bottom of the fixed frame 17 is fixedly arranged on the bottom of the water storage tank 9. On the inner wall, the upper part of the fixed frame 17 stretches out from the top of the water storage tank 9, and the limiting platform 13 is fixedly arranged on the inner wall of the outer box body 2. The top inner wall of the box body 2, the upper end of the spring 18 is fixedly connected to the connecting seat 11, the lifting lug 12 is fixedly arranged on the top inner wall of the connecting cylinder 5 and is located on the left side of the water inlet 6, and the middle part of the lever 14 is hinged on the right side of the lifting lug 12 The lower end, the plug 15 is fixedly arranged on the right end of the lever 14 and is located below the water inlet 6, the upper end of the connecting rod 16 is hinged with the left end of the lever 14, the lower end of the connecting rod 16 is hinged at the upper end of the fixed frame 17, and the lower end of the spring 18 is fixedly connected to the connecting rod. 16 left end top; under the effect of spring 18 pulling force, the upper end of water storage tank 9 is press-fitted with the lower surface of limit platform 13, and now inner drain pipe 10 is positioned at outer drain pipe 7 tops.

The right end of the inner drainage pipe 10 is provided with a wear-resistant sealing ring 19 which is slidingly and sealingly matched with the inner wall of the water storage tank 9 .

The lower part of the inner wall of the connecting cylinder 5 is inclined to the left and to the right.

The bottom of the outer casing 2 is provided with a lower magnet 20, and the outer bottom of the water storage tank 9 is provided with an upper magnet 21 directly above the lower magnet 20. The magnetic poles on the lower surface of the upper magnet 21 and the upper surface of the lower magnet 20 are opposite; When the surface and the upper surface of the lower magnet 20 are contacted and adsorbed together, the right end of the inner drain pipe 10 is connected with the left end of the outer drain pipe 7, and the plug 15 blocks the water inlet 6 at the same time, and the balance air inlet 8 communicates with the outer box body 2.

The method for discharging slag and water of self-weight type slag discharge water drainer comprises the following steps,

(1) Connect the borehole gas drainage pipeline 4 with the horizontal interface of the tee pipe 1, and connect the gas drainage branch pipe 3 with the upper interface of the tee pipe 1;

(2) Gas, water, and slag enter the tee pipe 1 through the borehole gas extraction pipeline 4, and the water and slag automatically fall into the connecting cylinder 5 from the water inlet 6 under the action of gravity, and then enter the water storage tank through the connecting cylinder 5 9, the gas enters the gas extraction branch pipeline 3 under the action of negative pressure extraction;

(3) In the initial state where there is no water and slag in the water storage tank 9, the spring 18 has a certain amount of expansion and contraction. The elastic force of the spring 18 is equal to the gravity of the water storage tank 9 plus the force between the upper limit platform 13 and the water storage tank 9, As water and slag fall into the water storage tank 9, the spring 18 is gradually stretched downward, the water storage tank 9 slides down along the inner wall of the outer box body 2, and the left end of the lever 14 moves down. 14 The sealing plug at the right end rises gradually;

(4) As the water storage tank 9 slides down slowly, the distance between the upper magnet 21 at the outer bottom of the water storage tank 9 and the lower magnet 20 at the inner bottom of the outer box 2 decreases, and the attraction force increases, and the spring 18 continues to be stretched , when the upper magnet 21 and the lower magnet 20 reach the fast suction position, the upper magnet 21 quickly moves down and is attracted together by the lower magnet 20, and at the same time, the sealing plug 15 moves upward to block the water inlet 6 and balance the air inlet 8 communicates with the inside of the outer box 2, the air pressure inside the water storage tank 9 is equal to that of the outside, and the inner drain pipe 10 communicates with the outer drain pipe 7 correspondingly, and the water in the water storage tank 9 and the slag deposited to the bottom are separated by the inner drain pipe 10 and the outer drain pipe 7. Drain pipe 7 discharges;

(5) After the water and slag are discharged, when the sum of the gravity of the water storage tank 9, the gravity of the water slag in the water storage tank 9 and the magnetic attraction force is less than the elastic force of the spring 18, the spring 18 shrinks upward, and the upper magnet 21 and the lower magnet 20 are separated. The water storage tank 9 rises along the inner wall of the outer box body 2, the right end of the inner drain pipe 10 moves upwards and breaks away from the outer drain pipe 7, the balance air inlet 8 is blocked, the sealing plug 15 moves downward to leave the water inlet 6, and the water storage tank 9 rises to the limit. The platform 13 stops, and the water inlet 6 is opened to continue the water storage work;

(6) Steps (3)-(5) are continuously circulated, and slag and water are continuously discharged.

This embodiment does not impose any formal restrictions on the shape, material, structure, etc. of the utility model. Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the utility model belong to the technology of the utility model. protection scope of the program.

Claims (5)

1. self-weight slag-discharging water drain device comprises a three-way pipe and a closed outer box body, wherein the upper end port of the three-way pipe is connected to the bottom of a gas extraction branch pipe, and the horizontal port of the three-way pipe is connected with a drilling gas extraction pipe, and is characterized in that: the right side upper portion of outer box is provided with the connecting cylinder, the shutoff of connecting cylinder right-hand member, the connecting cylinder top is provided with the water inlet, the water inlet is connected with the lower extreme interface of three-way pipe, outer box right side lower part is provided with outer drainage pipe, outer box left side upper portion is provided with balanced air inlet, the internal portion of outer container is provided with the open storage water tank in top, the lateral wall of storage water tank and the inside wall sliding fit of outer box, the storage water tank bottom is thick-end-up's conical structure, the right side of the conical structure of storage water tank bottom is connected with the interior drain pipe that can correspond the intercommunication with outer drainage pipe, the internal portion of outer.

2. the self-weight slag and water discharge device according to claim 1, wherein: the elastic reset and water inlet sealing mechanism comprises a connecting seat, a lifting lug, a limiting table, a lever, a sealing plug, a connecting rod, a fixing frame and a spring, wherein the lower part of the fixing frame is fixedly arranged on the inner wall of the water storage tank, the upper part of the fixing frame extends out of the top of the water storage tank, the limiting table is fixedly arranged on the inner wall of the outer box body, the position of the limiting table is positioned above the exhaust port and below the connecting cylinder, the connecting seat is fixedly arranged on the inner wall of the top of the outer box body, the upper end of the spring is fixedly connected to the connecting seat, the lifting lug is fixedly arranged on the inner wall of the top of the connecting cylinder and positioned on the left side of the water inlet, the middle part of the lever close to the right side and hinged to the lower end of the lifting lug, the sealing; under the action of the spring tension, the upper end of the water storage tank is in top-pressing fit with the lower surface of the limiting table, and the inner water drainage pipe is located above the outer water drainage pipe at the moment.

3. The self-weight slag and water discharge device according to claim 2, wherein: the right end of the inner drain pipe is provided with a wear-resistant sealing ring which is in sliding sealing fit with the inner wall of the water storage tank.

4. The self-weight slag and water discharge device according to claim 1, wherein: the lower part of the inner wall of the connecting cylinder is obliquely arranged in a manner of being low at the left and high at the right.

5. The self-weight slag and water discharge device according to claim 2, wherein: a lower magnet is arranged at the bottom in the outer box body, an upper magnet positioned right above the lower magnet is arranged at the bottom outside the water storage tank, and the magnetic poles of the lower surface of the upper magnet and the upper surface of the lower magnet are opposite; when the lower surface of the upper magnet and the upper surface of the lower magnet are contacted and adsorbed together, the right end of the inner water discharge pipe is correspondingly communicated with the left end of the outer water discharge pipe, and simultaneously the water inlet is blocked and blocked, and the balance air inlet is communicated with the inside of the outer box body.