CN112796824B - A slag discharge device for gas pipeline - Google Patents

Abstract

The invention relates to a drainage device, in particular to a slag and water drainage device for gas pipelines. The invention provides a slag discharging and water discharging device which can be discharged together with sewage after the impurities in the gas pipeline are crushed. The invention discloses a slag discharge and water discharge device for a gas pipeline, comprising a connecting frame, a pipeline, a flange plate, a limit baffle, etc.; a pipeline is fixedly installed on the upper part of the connecting frame, and both ends of the pipeline pass through the flange plate. Connected to the gas pipe, a limit baffle is fixedly installed inside the pipe, and the limit baffle divides the inside of the pipeline into two parts, dry and wet, and a gap is arranged on the upper part of the limit baffle, which can connect the two separated parts of the pipeline. The invention extracts the gas in the conical barrel pipe through the negative pressure balance pipe when the air pump is pumping, so that the pressure in the conical barrel pipe becomes smaller, so that the sewage in the pipe is sucked into the clean water barrel, and the spiral blade is driven to rotate by the servo motor, The residue in the sewage is crushed, so as to avoid sludge and other clogging of the slag discharge device.

Description

A slag discharge device for gas pipeline

technical field

The invention relates to a drainage device, in particular to a slag and water drainage device for gas pipelines.

Background technique

At present, when digging coal in a mine, it is usually necessary to pump the gas in the mine to ensure the safe production of the coal mine. In the coal mine gas extraction system, in order to prevent large objects, impurities, water, etc. from entering the extraction pipeline, affecting the negative pressure of the extraction and damaging the extraction device, a slag remover is generally installed at the connection between the extraction site and the main pipe. , filter and water release device, which can effectively block the impact of debris, water, etc. on the extraction system from the source, so as to maximize the extraction of mine gas.

The water inlet pipe and the negative pressure balance pipe of the existing slag discharger are connected with the gas pipeline, and the water discharge valve is in a closed state under the action of the negative pressure of the gas pipeline. The drain valve is opened, and both the inlet pipe and the negative pressure balance pipe are closed. However, because the water level rises to a certain height, the water discharge system will be opened, which makes the water at the bottom of the slag discharger more stable, and the cinder and silt in the water are easy to adhere and accumulate at the bottom of the slag discharger. Compared with the slag discharger, the drain outlet is smaller as a whole, which makes the cinder and sludge in the slag discharger difficult to discharge. After long-term use, it is easy to block, which affects the subsequent use of the slag discharger.

SUMMARY OF THE INVENTION

In order to overcome the shortcomings of the existing slag discharger and water discharger that the coal slag and silt are not easy to be discharged, are easily blocked after long-term use, and affect the subsequent use of the slag discharger The slag discharge device that discharges the sewage together.

In order to solve this technical problem, the technical scheme adopted in the present invention is as follows:

A slag discharge and water discharge device for gas pipelines, comprising a connecting frame, a first fastening sleeve, a second fastening sleeve, a pipeline, a flange plate, a limit baffle, a negative pressure balance pipe, a water inlet assembly and a sewage assembly , The upper part of the connection frame is fixedly installed with a pipe, and both ends of the pipe are connected to the gas pipe through flanges. A limit baffle is fixed inside the pipe, and the limit baffle divides the inside of the pipe into dry and wet parts. The upper part of the baffle is provided with a gap, which can communicate with the separated two parts of the pipeline, the upper end of the negative pressure balance pipe is sealed and fixedly installed on the upper part of the pipeline and the two are connected, and the other end of the negative pressure balance pipe passes through the inside of the pipeline to Extend downward, the parts of the negative pressure balance pipe and the pipeline are all sealed and matched, the water inlet component and the sewage component are fixedly installed on the lower part of the connecting frame through the fastening sleeve 1 and the fastening sleeve 2 respectively, and the lower end of the negative pressure balancing pipe extends to Inside the sewage assembly, the intake assembly is communicated with the bottom of the pipe, and the intake assembly is communicated with the sewage assembly.

As a preferred technical solution of the present invention, the lower end of the negative pressure balance pipe is spaced with four air intake holes.

As a preferred technical solution of the present invention, the sewage assembly includes a conical barrel tube, an upper baffle, a lower baffle ring, a ventilation tube, a tension spring, a constant pressure tube, an air guide assembly and a sealing valve assembly 1. The conical barrel tube passes through The fastening sleeve is installed at the lower part of the connecting frame, and the lower part of the cone barrel is provided with an opening, and the opening is sealed by the sealing valve assembly. The inner cavity of the conical barrel tube is divided into upper and lower parts, the upper and lower inner cavities of the conical barrel tube are each provided with a through hole that communicates with the outside world, and the constant pressure tube is installed at the upper through hole of the conical barrel tube to connect the upper inner cavity with the outside world, and the lower The through hole of the inner cavity is externally connected to a water inlet component, the lower end of the negative pressure balance pipe passes through the center of the upper bottom surface of the cone barrel tube and extends to its interior, and the negative pressure balance pipe extending into the cone barrel tube passes through the upper baffle and extends to the lower part In the inner cavity, and the air inlet hole is located below the upper baffle, two ventilation pipes are symmetrically arranged on the upper baffle and are slidably connected with it. The vent pipe and the upper baffle are fixedly connected, the air guide assembly is installed in the cone barrel, and the sealing valve assembly is installed on the air guide assembly.

As a preferred technical solution of the present invention, the air guide assembly includes a threaded rod, a first baffle, a hollow round table, a disc, a sliding sleeve, an upper sliding sleeve and a torsion spring, and the threaded rod extends into the tapered barrel tube from bottom to top Inside, the lower end of the threaded rod is fixedly connected with a first baffle plate, and the upper end of the threaded rod is fixed with a disc through a hollowed round table. , two circular holes are symmetrically arranged on the disc, the sliding sleeve and the upper sliding sleeve are both sleeved on the lower end of the negative pressure balance tube and located between the upper baffle and the lower baffle ring, the upper sliding sleeve and the upper baffle are fixedly connected, slide down The sleeve is fixedly connected with the disc, the sliding sleeve and the disc are both rotated and matched with the negative pressure balance tube, and the disc is slidingly matched with the ventilation tube. The upper and lower inner cavities of the tube are communicated, the torsion spring is sleeved on the lower sliding sleeve and the upper sliding sleeve, and the upper and lower ends of the torsion spring are respectively fixedly connected with the upper sliding sleeve and the lower sliding sleeve.

As a preferred technical solution of the present invention, the inner diameter of the circular hole is smaller than the inner diameter of the ventilation pipe.

As a preferred technical solution of the present invention, the first sealing valve assembly includes a ball core and a first spring. The ball core is slidably sleeved on the lower end of the threaded rod. The lower opening of the cone barrel tube is sealed and matched, the first spring is sleeved on the threaded rod, and the two ends of the first spring are respectively in contact with the ball core 1 and the first blocking piece.

As a preferred technical solution of the present invention, it includes a thorn ball and a hose, the thorn ball is sleeved on the threaded rod and matched with its thread, the thorn ball is in contact with the hollowed round table and the inner wall of the cone barrel, and at least four There are several ventilation holes, and several hoses are evenly arranged on the outer wall of the thorn ball.

As a preferred technical solution of the present invention, the water inlet assembly includes a water inlet pipe, a water purification bucket, a water outlet pipe, a frame, a servo motor, a spiral blade and a sealing valve assembly 2, and the water purification barrel is fixedly installed on the On the connection frame, the clean water bucket is connected with the pipeline through the water inlet pipe, the water inlet pipe is close to the water inlet end of the pipeline, and the water outlet pipe connects the clean water bucket with the cone barrel pipe. The motor, the screw blade is located inside the water purification bucket, the power shaft of the screw blade is sealed through the bottom side of the clean water bucket and rotates with it, the power shaft of the screw blade is connected with the output shaft of the servo motor through a coupling, and the second sealing valve assembly is located in In the cone barrel pipe, the second sealing valve assembly is matched with the water outlet pipe.

As a preferred technical solution of the present invention, the second sealing valve assembly includes a round rod, a second baffle, a second ball core and a second spring, the round rod is located in the cone barrel, and the upper end of the round rod is fixedly connected to the inner wall of the lower end of the water outlet pipe The second baffle is fixedly installed on the lower end of the round rod, the second ball core and the second spring are both sleeved on the round rod, the second ball core is slidingly matched with the round rod, the second ball core can be sealed with the water outlet pipe, and the second spring The two ends are respectively in contact with the second blocking piece and the second ball core.

The beneficial effects of the present invention are as follows:

1. The present invention extracts the gas in the cone barrel through the negative pressure balance pipe when the air pump is pumping, so that the pressure in the cone barrel becomes smaller, so that the sewage in the pipe is sucked into the clean water barrel, and the spiral blade is driven by the servo motor. Rotate to crush the residue in the sewage, so as to avoid sludge and other clogging of the slag discharge device.

2. After the sewage enters the conical barrel pipe, the water level component rises through the negative pressure, and the buoyancy can make the disk rotate indirectly. When the circular hole on the disk is connected with the ventilation pipe, the internal pressure of the conical barrel pipe can be increased. After balancing with the outside world, the ball core 1 will be pressed down by the weight of the water, and then the sewage will be discharged through the opening at the lower part of the cone barrel.

3. The thorn ball will cooperate with the threaded rod during the rising process, so that the thorn ball will rotate and rise, and the sewage in the cone barrel will be stirred during the process, which can prevent impurities from adhering to the inner wall of the cone barrel.

Description of drawings

FIG. 1 is a schematic diagram of the three-dimensional structure of the present invention.

Figure 2 is an internal cross-sectional view of the conduit of the present invention.

FIG. 3 is a schematic diagram of the three-dimensional structure of the air inlet hole of the present invention.

FIG. 4 is an internal cross-sectional view of the conical barrel tube of the present invention.

FIG. 5 is a partial structural schematic diagram of the sewage assembly of the present invention.

FIG. 6 is a schematic three-dimensional structure diagram of a hollowed-out circular platform, a circular disc and a circular hole of the present invention.

7 is a schematic three-dimensional structural diagram of the sliding sleeve, the upper sliding sleeve and the torsion spring of the present invention.

8 is a schematic diagram of the three-dimensional structure of the thorn ball of the present invention.

FIG. 9 is a schematic three-dimensional structure diagram of the sealing valve assembly 2 of the present invention.

FIG. 10 is a schematic three-dimensional structure diagram of the helical blade of the present invention.

In the reference numerals: 1-connecting frame, 101-fastening sleeve 1, 102-fastening sleeve 2, 2-pipeline, 201-flange plate, 202-limiting baffle plate, 203-negative pressure balance pipe, 2031- Air intake hole, 3-water inlet pipe, 301-clean water bucket, 302-water outlet pipe, 303-rack, 304-servo motor, 305-spiral blade, 4-cone barrel pipe, 401-upper baffle, 402-lower Baffle ring, 403-vent tube, 404-tension spring, 5-threaded rod, 501-first stopper, 502-hollowed round table, 503-disc, 5031-round hole, 5032-lower sleeve, 5033-upper sleeve , 5034-torsion spring, 6-thorn ball, 601-vent hole, 602-hose, 7-ball core one, 701-first spring, 8-smooth rod, 801-second stopper, 802-ball core two , 803-second spring, 9-constant pressure tube.

Detailed ways

The present invention will be further described below with reference to the embodiments shown in the accompanying drawings.

As shown in Figures 1 and 2, a slag and water discharge device for gas pipelines includes a connecting frame 1, a first fastening sleeve 101, a second fastening sleeve 102, a pipeline 2, a flange 201, and a limit baffle 202. Negative pressure balance pipe 203, water inlet assembly and sewage assembly, a pipe 2 is fixedly installed on the upper part of the connecting frame 1, both ends of the pipe 2 are connected to the gas pipe through the flange plate 201, and a pipe 2 is fixedly installed in the middle position. A limit baffle 202, the limit baffle 202 divides the interior of the pipeline 2 into dry and wet parts, the sewage in the right gas pipe will be blocked by the limit baffle 202, and the upper part of the limit baffle 202 is provided with a gap, the gap It can be connected to the separated two parts of the pipeline 2. The upper end of the negative pressure balance pipe 203 is sealed and fixedly installed on the upper part of the pipeline 2 and the two are connected. The lower end of the negative pressure balance pipe 203 passes through the interior of the pipeline 2 and extends downward. The negative pressure The parts of the balance pipe 203 in contact with the pipeline 2 are all sealed and matched. The water inlet component and the sewage component are fixedly installed on the left and right sides of the lower part of the connection frame 1 through the first fastening sleeve 101 and the second fastening sleeve 102, respectively. The negative pressure balance pipe 203 The lower end of the pipe extends to the inside of the sewage assembly, the water intake assembly is connected to the right bottom of the pipe 2, and the water intake assembly is connected to the sewage assembly; after connecting the two ends of the pipe 2 to the gas pipe, start the servo motor 304, and when the gas pipe During pumping, both gas and sewage will enter the pipeline 2, and then the sewage will be blocked by the limit baffle 202. At the same time, under the action of the suction pump, the negative pressure balance pipe 203 will pump out the gas in the sewage assembly. This causes the pressure in the sewage assembly to become smaller, which in turn triggers the operation of the intake assembly. At this time, the sewage will enter the intake assembly, and then flow into the sewage assembly. The cooperation between the intake assembly and the sewage assembly makes the gas The sewage in the pipeline 2 is discharged through the sewage assembly, thereby realizing the purpose of discharging slag and water in the gas pipeline 2.

In one of the preferred embodiments, as shown in FIG. 3 , the lower end of the negative pressure balance pipe 203 is spaced with four air intake holes 2031 ; The air intake holes 2031 can realize the air pressure balance between the inside and outside of the sewage assembly.

As shown in Figures 4-8, the sewage assembly includes a conical barrel 4, an upper baffle 401, a lower baffle 402, a ventilation pipe 403, a tension spring 404, a constant pressure pipe 9 and an air guide assembly, and the conical barrel 4 passes through The fastening sleeve 101 is installed on the lower left part of the connecting frame 1, and the bottom of the cone barrel 4 is provided with an opening. 4, the upper baffle 401 divides the inner cavity of the conical barrel tube 4 into upper and lower parts, the upper and lower inner cavities of the conical barrel tube 4 are each provided with a through hole communicating with the outside world, and the constant pressure tube 9 is installed on the upper left of the conical barrel tube 4. The upper through hole connects the upper inner cavity with the outside world, the lower right through hole of the lower inner cavity is connected to a water inlet component, and the lower end of the negative pressure balance pipe 203 passes through the center of the upper bottom surface of the conical barrel pipe 4 and extends to its interior, extending The negative pressure balance pipe 203 entering the cone barrel 4 passes through the upper baffle 401 and extends into the lower cavity, and the air inlet 2031 is located below the upper baffle 401, and the two ventilation pipes 403 are symmetrically arranged on the upper baffle. The upper and lower ends of the tension spring 404 are fixedly connected with the ventilation pipe 403 and the upper baffle respectively, and the air guide assembly is installed in the cone barrel 4. , the sealing valve assembly is installed on the air guide assembly; the air guide assembly includes a threaded rod 5, a first baffle 501, a hollow round table 502, a disk 503, a sliding sleeve 5032, an upper sliding sleeve 5033 and a torsion spring 5034, a threaded rod 5 extends into the inside of the cone barrel 4 from bottom to top, the lower end of the threaded rod 5 is fixedly connected with a first blocking piece 501, the upper end of the threaded rod 5 is fixed with a circular disc 503 through the hollow circular platform 502, and the circular disc 503 is located on the upper blocking piece 401. Between the lower baffle ring 402, the disc 503 and the upper baffle 401 have the same cross-sectional radius. The disc 503 is symmetrically provided with two circular holes 5031. The lower end of 203 is located between the upper baffle 401 and the lower baffle ring 402, the upper sliding sleeve 5033 is fixedly connected to the upper baffle 401, the sliding sleeve 5032 is fixedly connected to the disc 503, and both the sliding sleeve 5032 and the disc 503 are connected to the negative pressure. The balance tube 203 is rotated and matched, and the disk 503 is slidingly matched with the ventilation pipe 403. When the disk 503 rotates, the circular hole 5031 on the disk 503 can cooperate with the ventilation pipe 403, so that the upper and lower lumens of the conical barrel pipe 4 are communicated with each other. , the torsion spring 5034 is sleeved on the lower sliding sleeve 5032 and the upper sliding sleeve 5033, and the upper and lower ends of the torsion spring 5034 are fixedly connected with the upper sliding sleeve 5033 and the lower sliding sleeve 5032 respectively; the sealing valve assembly 1 includes a ball core 7 and a first Spring 701, the ball core 7 is slidably sleeved on the lower end of the threaded rod 5, the ball core 1 7 is located outside the cone barrel 4, the ball core 1 7 can be sealed with the lower opening of the cone barrel pipe 4, and the first spring 701 is sleeved in On the threaded rod 5, the two ends of the first spring 701 are in contact with the ball core 1 7 and the first blocking piece 501 respectively; including a thorn ball 6 and a hose 602, the thorn ball 6 is sleeved on the threaded rod 5 and is threadedly matched with it, The thorn ball 6 and the hollow round table 502 and the cone barrel 4 Wall contact, eight ventilation holes 601 are evenly arranged on the thorn ball 6, and three rows of hoses 602 are evenly arranged on the outer wall of the thorn ball 6, with 12 hoses in each row; The air in the inner cavity below the upper baffle 401 in the pipe 4 is being sucked away. At this time, after the air pressure in the inner cavity becomes smaller, the sealing valve of the water inlet assembly will be opened, and then the sewage in the gas pipe 2 will be discharged into the cone barrel through the water inlet assembly. In the pipe 4, after the sewage is continuously discharged, the light thorn ball 6 will float on the water surface, and at the same time as the water level rises, it will spiral up along the threaded rod 5, and the rotating thorn ball 6 will agitate the impurities in the water through the ventilation hole 601. , to prevent it from adhering to the inner wall of the cone barrel 4 and the threaded rod 5. When the thorn ball 6 rises to a certain height, the thorn ball 6 will touch the hollow round table 502 and drive it to rise, and the hollow round table 502 will rise to drive the disc 503. When the lower sleeve 5032 touches the upper sliding sleeve 5033, the lower sleeve 5032 will rise while rotating. When the disc 503 rotates 90 degrees, the circular hole 5031 on the disc 503 will be connected with the ventilation pipe 403. The upper and lower cavities of the upper baffle 401 inside the conical barrel tube 4 are connected to each other. Since the upper cavity of the upper baffle 401 is communicated with the outside through the constant pressure pipe 9, the air will quickly enter the lower part through the ventilation pipe 403. In this way, the inner and outer air pressures are balanced. When the air pressure in the lower inner cavity of the conical barrel tube 4 increases, the water will squeeze the ball core 1 7 due to its own weight and slide down along the threaded rod 5, so that the conical barrel tube The lower port of 4 is opened, and the sewage is discharged through the lower port of the cone barrel 4. At the same time, the thorn ball 6 will also fall with the drop of the water level. When the thorn ball 6 moves downward, the tightened torsion spring 5034 will drive the sliding sleeve 5032 To reset, the sliding sleeve 5032 will drive the disc 503 to reset. After the sewage in the cone tube 4 is discharged, the first spring 701 will drive the ball core 17 to reset, and the negative pressure balance tube 203 will continue to inhale, and the cone tube 4 will The air pressure in the lower cavity continues to decrease, and under the influence of the external atmospheric pressure, the ball core 1 7 will close to the lower mouth of the conical barrel tube 4 to seal it, thus completing the discharge of the sewage in the gas pipeline 2 .

In one of the preferred embodiments, as shown in Figure 2, Figure 4, Figure 9 and Figure 10, the water inlet assembly includes a water inlet pipe 3, a water purification bucket 301, a water outlet pipe 302, a frame 303, a servo motor 304 and Spiral blade 305, the clean water bucket 301 is fixedly installed on the connecting frame 1 through the fastening sleeve 2 102, the clean water bucket 301 is communicated with the pipeline 2 through the water inlet pipe 3, the water inlet pipe 3 is close to the right end of the pipeline 2, and the water outlet pipe 302 connects the clean water bucket 301 is communicated with the cone barrel 4, a frame 303 is installed on the outer bottom of the water purification barrel 301, a servo motor 304 is installed on the frame 303, the spiral blade 305 is located inside the water purification barrel 301, and the power shaft of the spiral blade 305 passes through in a sealed manner The bottom side of the clean water bucket 301 is rotated and cooperated with it, the power shaft of the spiral blade 305 is connected with the output shaft of the servo motor 304 through a coupling, the second sealing valve assembly is located in the cone barrel pipe 4, and the second sealing valve assembly cooperates with the water outlet pipe 302; The second sealing valve assembly includes a round rod 8, a second baffle 801, a second ball core 802 and a second spring 803. The round rod 8 is located in the cone barrel 4, and the upper end of the round rod 8 is fixedly connected to the inner wall of the lower end of the water outlet pipe 302. , the second baffle 801 is fixedly installed on the lower end of the round rod 8, the second ball core 802 and the second spring 803 are both sleeved on the round rod 8, the second ball core 802 is slidingly matched with the round rod 8, and the second ball core 802 can be connected with the water outlet pipe 302 is sealed and matched, and the upper and lower ends of the second spring 803 are in contact with the second baffle 801 and the second ball core 802 respectively; when the air pressure in the cone barrel 4 decreases, the external air pressure will enter the water outlet pipe 302 through the clean water barrel 301, so that It will make the ball core 2 802 move down along the sliding rod 8. At this time, the opening of the lower end of the water outlet pipe 302 is opened, and the sewage in the gas pipe 2 will enter through the water inlet pipe 3, the clean water bucket 301 and the water outlet pipe 302. In the cone barrel 4, after the sewage enters the water purification barrel 301, the servo motor 304 drives the spiral blade 305 to rotate, and the impurities in the sewage are crushed by the spiral blade 305, and then enters the cone barrel 4 through the water outlet pipe 302. After the atmospheric pressure in the cone barrel 4 is balanced internally and externally, the second spring 803 will drive the ball core 2 802 to move upward, and then the opening at the lower end of the water outlet pipe 302 will be in a sealed state again. discharged one after another.

Although the present disclosure has been shown and described with reference to specific exemplary embodiments of the present disclosure, those skilled in the art will appreciate that, without departing from the spirit and scope of the present disclosure as defined by the appended claims and their equivalents, Various changes in form and detail have been made in the present disclosure. Therefore, the scope of the present disclosure should not be limited to the above-described embodiments, but should be determined not only by the appended claims, but also by their equivalents.

Claims (5)

1. A slag discharge and water discharge device for a gas pipeline, comprising a connecting frame (1), a first fastening sleeve (101), a second fastening sleeve (102), a pipeline (2), a flange (201) and The limit baffle plate (202), a pipe (2) is fixedly installed on the upper part of the connecting frame (1), both ends of the pipe (2) are connected with the gas pipe through the flange plate (201), and a pipe (2) is fixedly installed inside the pipe (2). A limit baffle (202), the limit baffle (202) divides the inside of the pipeline (2) into two parts, dry and wet, and a gap is provided on the upper part of the limit baffle (202), and the gap can communicate with the separated two parts The pipeline (2) is characterized in that: it further comprises a negative pressure balance pipe (203), a water inlet component and a sewage component, and the upper end of the negative pressure balance pipe (203) is sealed and fixedly installed on the upper part of the pipeline (2) and two The other end of the negative pressure balance pipe (203) passes through the inside of the pipe (2) and extends downward, and the parts of the negative pressure balance pipe (203) in contact with the pipe (2) are sealed and matched. The components are respectively fixed and installed on the lower part of the connecting frame (1) through the first fastening sleeve (101) and the second fastening sleeve (102). (2) The bottom is connected, and the water inlet component is connected with the sewage assembly; the lower end of the negative pressure balance pipe (203) is provided with four air inlet holes (2031) at intervals; Sheet (401), lower baffle ring (402), vent pipe (403), tension spring (404), constant pressure pipe (9), air guide assembly and sealing valve assembly 1, the cone barrel (4) is passed through the fastening sleeve A (101) is installed on the lower part of the connecting frame (1), and the lower part of the conical barrel pipe (4) is provided with an opening, the opening is sealed by the sealing valve assembly 1, the upper baffle (401) and the lower baffle ring (402) Intervals are arranged inside the conical barrel tube (4), the upper baffle plate (401) divides the inner cavity of the conical barrel tube (4) into upper and lower parts, and the upper and lower inner cavities of the conical barrel tube (4) are respectively provided with a communication channel that communicates with the outside world. The constant pressure pipe (9) is installed at the upper through hole of the conical barrel pipe (4) to connect the upper inner cavity with the outside world, the through hole of the lower inner cavity is connected to an external water inlet component, and the lower end of the negative pressure balance pipe (203) Passing through the center of the upper bottom surface of the conical barrel tube (4) and extending to its interior, the negative pressure equalizing pipe (203) extending into the conical barrel tube (4) passes through the upper baffle plate (401) and extends into the lower lumen , and the air intake hole (2031) is located below the upper baffle plate (401), two ventilation pipes (403) are symmetrically arranged on the upper baffle plate and are slidably connected to it, and each ventilation pipe (403) is covered with a pull Spring (404), both ends of the tension spring (404) are fixedly connected with the ventilation pipe (403) and the upper baffle respectively, the air guide assembly is installed in the cone barrel (4), and the sealing valve assembly is installed on the air guide assembly ; The air guide assembly includes a threaded rod (5), a first baffle plate (501), a hollow round table (502), a disc (503), a sliding sleeve (5032), an upper sliding sleeve (5033) and a torsion spring (5034) , threaded rod (5) It extends into the cone barrel (4) from bottom to top, the lower end of the threaded rod (5) is fixedly connected with a first stopper (501), and the upper end of the threaded rod (5) is fixed with a circular disc (502) through the hollow round table (502). 503), the disc (503) is located between the upper baffle plate (401) and the lower baffle ring (402), the cross-sectional radius of the disc (503) and the upper baffle plate (401) are the same, and the disc (503) is symmetrical on the There are two round holes (5031), the sliding sleeve (5032) and the upper sliding sleeve (5033) are both sleeved on the lower end of the negative pressure balance pipe (203) and located between the upper blocking plate (401) and the lower blocking ring (402) Between, the upper sliding sleeve (5033) is fixedly connected with the upper baffle plate (401), the sliding sleeve (5032) is fixedly connected with the disc (503), and both the sliding sleeve (5032) and the disc (503) are connected with the negative pressure balance pipe ( 203) Rotating fit, the disc (503) is slidingly fitted with the vent tube (403), when the disc (503) rotates, the circular hole (5031) on the disc (503) can fit with the vent tube (403), so that the The upper and lower cavities of the conical barrel tube (4) communicate with each other, the torsion spring (5034) is sleeved on the sliding sleeve (5032) and the upper sliding sleeve (5033), and the upper and lower ends of the torsion spring (5034) are respectively connected with the upper sliding sleeve. (5033) and the sliding sleeve (5032) are fixedly connected; The inner diameter of the circular hole (5031) is smaller than the inner diameter of the ventilation pipe (403). 2. A slag and water discharge device for gas pipelines according to claim 1, characterized in that: the first sealing valve assembly comprises a ball core (7) and a first spring (701), and the ball core (7) ) slidably sleeved on the lower end of the threaded rod (5), the first ball core (7) is located outside the conical barrel tube (4), and the first ball core (7) can be sealingly matched with the lower opening of the conical barrel tube (4). The spring (701) is sleeved on the threaded rod (5), and the two ends of the first spring (701) are respectively in contact with the first ball core (7) and the first blocking piece (501). 3. A slag and water discharge device for gas pipelines according to claim 2, characterized in that: it comprises a thorn ball (6) and a hose (602), and the thorn ball (6) is sleeved on the threaded rod (5). ) and matched with its threads, the thorn ball (6) is in contact with the hollow round table (502) and the inner wall of the cone barrel (4), the thorn ball (6) is evenly provided with at least four ventilation holes (601), the thorn ball (6) ) are evenly provided with several hoses (602) on the outer wall. 4. A slag and water discharge device for a gas pipeline according to claim 3, characterized in that: the water inlet assembly comprises a water inlet pipe (3), a water purification bucket (301), a water outlet pipe (302), a water inlet pipe (302), a water inlet pipe (301), a The frame (303), the servo motor (304), the spiral blade (305) and the sealing valve assembly II, the clean water bucket (301) is fixedly installed on the connecting frame (1) through the second fastening sleeve (102), and the clean water bucket ( 301) is communicated with the pipe (2) through the water inlet pipe (3), the water inlet pipe (3) is close to the water inlet end of the pipe (2), and the water outlet pipe (302) connects the clean water bucket (301) with the cone barrel pipe (4), A frame (303) is installed on the outer bottom of the water purification bucket (301), a servo motor (304) is installed on the frame (303), and the spiral blade (305) is located inside the water purification bucket (301). The power shaft is sealed through the bottom side of the clean water bucket (301) and rotates with it. The power shaft of the spiral blade (305) is connected with the output shaft of the servo motor (304) through a coupling. The second sealing valve assembly is located in the cone barrel ( 4) Inside, the second sealing valve assembly is matched with the water outlet pipe (302). 5. The slag discharge and water discharge device for gas pipelines according to claim 4, characterized in that: the second sealing valve assembly comprises a round rod (8), a second baffle (801), a second ball core (802) ) and the second spring (803), the round rod (8) is located in the cone barrel (4), the upper end of the round rod (8) is fixedly connected to the inner wall of the lower end of the water outlet pipe (302), and the second stopper (801) is fixed Installed at the lower end of the round rod (8), the second ball core (802) and the second spring (803) are both sleeved on the round rod (8). ( 802 ) can be sealingly matched with the water outlet pipe ( 302 ), and two ends of the second spring ( 803 ) are respectively in contact with the second blocking piece ( 801 ) and the second ball core ( 802 ).

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