CN109915205A

CN109915205A - Self-weight type slag discharger and method for slag discharge and water discharge

Info

Publication number: CN109915205A
Application number: CN201910330555.5A
Authority: CN
Inventors: 卢卫永; 刘鹏珍; 刘晓光
Original assignee: Luliang University
Current assignee: Luliang University
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2019-06-21
Anticipated expiration: 2039-04-23
Also published as: CN109915205B

Abstract

The self-weight slag discharger includes a closed outer box. The upper right part of the outer box is provided with a connecting cylinder; The upper part of the side is provided with a balanced air inlet, and the inside of the outer box is provided with a water storage tank with an open top. The right side of the conical structure at the bottom of the water storage tank is connected with an inner drainage pipe which can be communicated with the outer drainage pipe correspondingly. The invention also discloses a method for discharging slag and water. The invention adopts pure mechanical principle and structure as a whole, has good reliability, also ensures the safety in high gas content environment in coal mines, improves the smoothness of drainage, and is realized by self-weight, elastic force of spring and attractive force of magnets Fully automatic operation reduces production costs.

Description

Dead-weight deslagging water discharging device and its deslagging discharge water method

Technical field

The invention belongs to gas drainage technical fields, and in particular to a kind of dead-weight deslagging water discharging device and its deslagging side of discharging water Method.

Background technique

Gas drainage is the work that nearly all coal mine will carry out, and during gas drainage, needs the row of installation Slag jettison gear, ponding and coal dust in discharge line, so that it is guaranteed that the normal extraction of gas.

Existing deslagging jettison gear is divided into two kinds, first is that installing outer case at the low-lying place of pipeline, artificial periodically valve opening is put Water, this general volume of outer case is larger, and it is inconvenient to dispose in tunnel, and in addition gas tube installs many places deslagging on the way and discharges water Device uses manually discharge water in turn, time-consuming and laborious；Second is that automatic water drainage device, mostly uses greatly pressure equilibrium device, controlled by electricity Valve, it is contemplated that gas is inflammable and explosive, must install current isolating device, greatly increase cost, and safety remains unchanged there are hidden danger, Coal mine is smaller using rate.In addition, the outer case of existing most of deslagging jettison gears generally uses flat-bottom structure, coal dust is easy Product is tied and generates blocking, and practicability reduces significantly.Therefore, deslagging jettison gear is while realizing basic function, it is also necessary to mention Its high security performance and cost problem.

Summary of the invention

The present invention in order to solve shortcoming in the prior art, provide it is a kind of it is small in size, be easily installed, using purely mechanic The dead-weight deslagging water discharging device and its deslagging that structure security reliability is strong, is not easy to plug discharge water method.

In order to solve the above technical problems, the present invention adopts the following technical scheme: dead-weight deslagging water discharging device, including tee tube With closed outer case, the upper end interface of tee tube is connected to gas drainage branch pipe duct bottom, the horizontal interface of tee tube with The connection of drilling gas extraction pipeline, the right upper portion of outer case are provided with connecting cylinder, and connecting cylinder right end blocks, and set at the top of connecting cylinder It is equipped with water inlet, the lower end interface connection of water inlet and tee tube, outer case lower right side is provided with outer drainpipe, and outer case is left Upper lateral part is provided with equalization inlet, and outer case is internally provided with the water tank of open top, the lateral wall and outer container of water tank The inner sidewall of body is slidably matched, and the bottom of storage tank is upper coarse and lower fine conical structure, the conical structure of the bottom of storage tank Right side be connected with can connection corresponding with outer drainpipe internal drainage pipe, it is multiple that outer case is internally provided with the elasticity that connect with water tank Position and water inlet enclosed mechanism.

Elastic reset and water inlet enclosed mechanism include attachment base, lifting lug, limiting stand, lever, block plug, connecting rod, fixed frame And spring, fixed frame lower part are fixed at the inner wall of water tank, fixed frame top is stretched out at the top of water tank, and limiting stand fixation is set It sets on wall in the outer case, the position of limiting stand is located at below top and the connecting cylinder of exhaust outlet, and attachment base is fixedly installed outside The top inner wall of cabinet, spring upper end are fixedly connected on attachment base, and lifting lug is fixed at the top inner wall of connecting cylinder and position In the left side of water inlet, lever middle is hinged on lifting lug lower end on the right side, blocks plug and is fixed at lever right end and is located at Below water inlet, small end and lever left end are hinged, and connecting rod lower end is hinged on the upper end of fixed frame, and lower spring end is fixed to be connected It connects at the top of connecting rod left end；Under the action of spring tension, the upper end of water tank and the press of limiting stand lower surface cooperate, interior at this time Drainpipe is located above outer drainpipe.

Internal drainage pipe right end is provided with the wear-resistant seal circle that cooperation is slidingly sealed with water storage chamber interior wall.

The inner wall lower of connecting cylinder is obliquely installed in left low and right high.

Bottom is provided with lower magnet in outer case, and water tank outer bottom is provided with the upper magnet right above lower magnet, The magnetic pole of upper magnet lower surface and lower magnet upper surface is opposite；When upper magnet lower surface and lower magnet upper surface Contact-sorption to one When rising, the connection corresponding with outer drainpipe left end of internal drainage pipe right end, while blocking plug and blocking water inlet, equalization inlet and outer container Internal portion's connection.

The deslagging of dead-weight deslagging water discharging device discharges water method, includes the following steps,

(1) drilling gas extraction pipeline is connect with tee tube horizontal interface, gas drainage branch pipeline and three-way pipeline upper end Interface connection；

(2) gas and water, slag enter tee tube via drilling gas extraction pipeline, and water, slag are fallen by water inlet automatically under the effect of gravity Enter in connecting cylinder, then entered in water tank by connecting cylinder, methane gas enters gas drainage branch pipe under negative pressure extraction effect In pipeline；

(3) in water tank without water, slag original state under spring have a certain amount of stroke, the elastic force of spring is equal to The gravity of water tank drops into water tank plus active force between limiting stand and water tank with dampening, slag, spring gradually by Stretch downwards, water tank glides along the inner wall of outer case, and lever left end moves down, lever using lifting lug as fulcrum, lever right end it is close Blocking is gradually increasing；

(4) with the slip of water tank, in the upper magnet and outer case of water tank outer bottom between the lower magnet of bottom Distance reduces, the suction-combining force increases, and spring continues to be stretched, when reaching quick pick-up position between upper magnet and lower magnet, on Magnet is quickly moved down to be combined together by the suction of lower magnet, meanwhile, it blocks plug and moves up and blocks water inlet, equalization inlet and outer Box house connection, the inside and outside air pressure of water tank is equal, and internal drainage pipe is connected to outer drainpipe correspondence, in water tank Water and the slag for being deposited to bottom are discharged by internal drainage pipe, outer drainpipe；

(5) water, slag discharge after, when grain slag gravity and magnetic attraction in the gravity, water tank of water tank sum less than spring bullet When power, spring is shunk upwards, and upper magnet and the separation of lower magnet, water tank rise along outer case inner wall, and internal drainage pipe right end is upward It is moved out outer drainpipe, equalization inlet is blocked, and is blocked plug and is moved downward away from water inlet, water tank rises to limiting stand Place stops, and water inlet is opened water storage work and continued；

(6) step (3)-(5) ceaselessly recycle progress, and slag, water are ceaselessly discharged.

By adopting the above technical scheme, the present invention has following technical effect that

1, the inner wall lower of connecting cylinder is obliquely installed in left low and right high, facilitates water in this way, slag is dropping into water storage by tee tube In case, avoid generating blocking in connecting cylinder.

2, internal drainage pipe right end is provided with the wear-resistant seal circle that cooperation is slidingly sealed with water storage chamber interior wall, avoids internal drainage pipe When being located above outlet water pipe, internal drainage pipe leak influences the constant progress of automatic discharge, draining.

3, the present invention is whole uses purely mechanic principle and structure, has good reliability, also ensures in underground coal mine Safety under high methane content environment.

4, the bottom of storage tank uses conical structure, so that coal dust or cinder is not easy heap knot when being deposited to the bottom of storage tank, mentions Smoothness when height draining.

5, outer case and water tank can be made with tempering duroplasts, observe environment in case, timely handling failure convenient for worker.

6, the attraction by self weight, the elastic force of spring and magnet realizes full automatic working, does not use electric energy, reduces production Cost decreases the use of electric current barrier means, while having saved labour and work time cost.

Detailed description of the invention

Fig. 1 is schematic diagram of the present invention under water stored state；

Fig. 2 is schematic diagram of the present invention under hull-borne.

Specific embodiment

As depicted in figs. 1 and 2, dead-weight deslagging water discharging device of the invention, including tee tube 1 and closed outer case 2, three The upper end interface of siphunculus 1 is connected to 3 bottom of gas drainage branch pipeline, the horizontal interface and drilling gas drainage tube of tee tube 1 Road 4 connects, and the right upper portion of outer case 2 is provided with connecting cylinder 5, and 5 right end of connecting cylinder blocks, and is provided at the top of connecting cylinder 5 into water Mouth 6, water inlet 6 is connect with the lower end interface of tee tube 1, and 2 lower right side of outer case is provided with outer drainpipe 7,2 left side of outer case Top is provided with equalization inlet 8, and outer case 2 is internally provided with the water tank 9 of open top, the lateral wall of water tank 9 and outer The inner sidewall of cabinet 2 is slidably matched, and 9 bottom of water tank is upper coarse and lower fine conical structure, the cone knot of 9 bottom of water tank Be connected on the right side of structure can connection corresponding with outer drainpipe 7 internal drainage pipe 10, outer case 2 be internally provided with and water tank 9 connect The elastic reset and water inlet enclosed mechanism connect.

Elastic reset and water inlet enclosed mechanism include attachment base 11, lifting lug 12, limiting stand 13, lever 14, block plug 15, connect Bar 16, fixed frame 17 and spring 18,17 lower part of fixed frame are fixed at the inner wall of water tank 9, and storage is stretched out on 17 top of fixed frame 9 top of water tank, limiting stand 13 are fixed on 2 inner wall of outer case, and the position of limiting stand 13 is located at top and the company of exhaust outlet 5 lower section of connect cylinder, attachment base 11 are fixed at the top inner wall of outer case 2, and 18 upper end of spring is fixedly connected on attachment base 11, Lifting lug 12 is fixed at the top inner wall of connecting cylinder 5 and is located at the left side of water inlet 6, and 14 middle part of lever is hinged on the right side hangs 12 lower end of ear blocks plug 15 and is fixed at 14 right end of lever and is located at 6 lower section of water inlet, and 16 upper end of connecting rod and lever 14 are left End is hinged, and 16 lower end of connecting rod is hinged on the upper end of fixed frame 17, and 18 lower end of spring is fixedly connected at the top of 16 left end of connecting rod；? Under the action of 18 pulling force of spring, the upper end of water tank 9 and the press of 13 lower surface of limiting stand cooperate, and internal drainage pipe 10 is located at outer at this time 7 top of drainpipe.

10 right end of internal drainage pipe is provided with the wear-resistant seal circle 19 that cooperation is slidingly sealed with 9 inner wall of water tank.

The inner wall lower of connecting cylinder 5 is obliquely installed in left low and right high.

Bottom is provided with lower magnet 20 in outer case 2, and 9 outer bottom of water tank is provided with upper right above lower magnet 20 The magnetic pole of magnet 21, upper 21 lower surface of magnet and lower 20 upper surface of magnet is opposite；When on upper 21 lower surface of magnet and lower magnet 20 Surface Contact-sorption to together when, 10 right end of internal drainage pipe it is corresponding with outer 7 left end of drainpipe connection, while block plug 15 block into It is connected to inside the mouth of a river 6, equalization inlet 8 and outer case 2.

(1) drilling gas extraction pipeline 4 is connect with 1 horizontal interface of tee tube, gas drainage branch pipeline 3 and tee tube 1 Upper end interface connection；

(2) gas and water, slag via drilling gas extraction pipeline 4 enter tee tube 1, water, slag under the effect of gravity by water inlet 6 from It is dynamic to fall into connecting cylinder 5, then entered in water tank 9 by connecting cylinder 5, methane gas enters gas under negative pressure extraction effect and takes out It adopts in branch pipeline 3；

(3) in water tank 9 without water, slag original state under spring 18 have a certain amount of stroke, the elastic force of spring 18 is big The small gravity equal to water tank 9 drops into water tank 9 with dampening, slag plus the active force between limiting stand 13 and water tank 9 Interior, spring 18, which is gradually pulled downwardly, to be stretched, and water tank 9 glides along the inner wall of outer case 2, and 14 left end of lever moves down, and lever 14 is to hang Ear 12 is fulcrum, and the sealing-plug of 14 right end of lever is gradually increasing；

(4) with the slip of water tank 9, the lower magnet 20 of bottom in the upper magnet 21 and outer case 2 of 9 outer bottom of water tank The distance between reduction, the suction-combining force increase, spring 18 continues to be stretched, when reaching quick suction between upper magnet 21 and lower magnet 20 When coincidence is set, upper magnet 21 is quickly moved down to be combined together by the suction of lower magnet 20, meanwhile, it blocks plug 15 and moves up water inlet 6 Blocking is connected to inside equalization inlet 8 and outer case 2, and the inside and outside air pressure of water tank 9 is equal, internal drainage pipe 10 and outside Drainpipe 7 is corresponding to be connected to, and the water in water tank 9 and the slag for being deposited to bottom are discharged by internal drainage pipe 10, outer drainpipe 7；

(5) water, slag discharge after, when in the gravity, water tank 9 of water tank 9 grain slag gravity and magnetic attraction and be less than spring 18 Elastic force when, spring 18 upwards shrink, upper magnet 21 and lower magnet 20 separation, water tank 9 along 2 inner wall of outer case rise, interior row 10 right end of water pipe, which moves up, is detached from outer drainpipe 7, and equalization inlet 8 is blocked, and blocks plug 15 and moves downward away from water inlet 6, water tank 9, which rises at limiting stand 13, to be stopped, and water inlet 6 is opened water storage work and continued；

The present embodiment not makes any form of restriction shape of the invention, material, structure etc., all according to this hair Bright technical spirit any simple modification, equivalent change and modification to the above embodiments, belong to the technology of the present invention side The protection scope of case.

Claims

1. The self-weight slag discharger includes a tee pipe and a closed outer box. The upper end of the tee pipe is connected to the bottom of the gas drainage branch pipe, and the horizontal interface of the tee pipe is connected to the borehole gas drainage pipe. It is characterized in that: the upper right side of the outer box is provided with a connecting cylinder, the right end of the connecting cylinder is blocked, the top of the connecting cylinder is provided with a water inlet, the water inlet is connected with the lower end interface of the three-way pipe, and the lower part of the right side of the outer box is provided with an external water inlet. The drain pipe, the upper left side of the outer box is provided with a balanced air inlet, and the inside of the outer box is provided with a water storage tank with an open top. The lower conical structure is thin, and the right side of the conical structure at the bottom of the water storage tank is connected with an inner drainage pipe that can be communicated with the outer drainage pipe correspondingly.

2. The self-weight type slag discharger according to claim 1 and its method for discharging slag and water are characterized in that: the elastic reset and the water inlet sealing mechanism comprise a connecting seat, a lifting lug, a limit table, a lever, a sealing block, a connecting Rod, fixing frame and spring, the lower part of the fixing frame is fixed on the inner wall of the water storage tank, the upper part of the fixing frame protrudes from the top of the water storage tank, the limit table is fixed on the inner wall of the outer box, and the position of the limit table is located above the exhaust port and Below the connecting cylinder, the connecting seat is fixedly arranged 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 is fixedly arranged on the top inner wall of the connecting cylinder and is located on the left side of the water inlet, and the middle of the lever is hinged on the right side of the suspension. At the lower end of the ear, the sealing block is fixedly arranged at the right end of the lever and below the water inlet, the upper end of the connecting rod is hinged with the left end of the lever, the lower end of the connecting rod is hinged on the upper end of the fixing 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, the upper end of the water storage tank is press-fitted with the lower surface of the limit table, and the inner drain pipe is located above the outer drain pipe at this time.

3 . The self-weight type slag discharger according to claim 2 , wherein the right end of the inner drainage pipe is provided with a wear-resistant sealing ring which is slidingly and sealedly matched with the inner wall of the water storage tank. 4 .

4 . The self-weight type slag discharger according to claim 3 , wherein the lower part of the inner wall of the connecting cylinder is inclined and arranged in a left-low and right-high manner. 5 .

5. The self-weight type slag discharger according to claim 4, characterized in that: a lower magnet is arranged at the inner bottom of the outer box, an upper magnet located directly above the lower magnet is arranged at the outer bottom of the water storage tank, and the lower surface of the upper magnet and the lower The magnetic poles on the upper surface of the magnet are opposite; when the lower surface of the upper magnet and the upper surface of the lower magnet are in contact and adsorbed together, the right end of the inner drain pipe is connected to the left end of the outer drain pipe correspondingly, and the water inlet is blocked and blocked to balance the air inlet and the outer box. Internal communication.

6. The slag discharging method of self-weight type slag discharging water discharger according to claim 5, characterized in that: comprising the following steps:

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

(2) Gas, water and slag enter the tee pipe through the drilled gas extraction pipeline. Under the action of gravity, the water and slag automatically fall into the connecting cylinder from the water inlet, and then enter the water storage tank through the connecting cylinder. Under the action of negative pressure drainage, it enters the gas drainage branch pipeline;

(3) In the initial state of no water and slag in the water storage tank, the spring has a certain amount of expansion and contraction. The spring force of the spring 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 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 gradually rises;

(4) As the water storage tank slowly slides down, 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 box decreases, the attraction force increases, and the spring continues to be stretched. When the fast suction position is reached, the upper magnet moves down quickly and is attracted together by the lower magnet. At the same time, the sealing block moves upward to block the water inlet, and the balance air inlet is communicated with the inside of the outer box. The air pressure is equal, the inner drain pipe and the outer drain pipe are connected correspondingly, 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 smaller than the elastic force of the spring, the spring contracts 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 blockage moves downwards and leaves the water inlet, the water storage tank rises to the limit table and stops, the water inlet is opened and the water storage work continues;

(6) Steps (3)-(5) are carried out continuously, and the slag and water are continuously discharged.