CN214660338U

CN214660338U - Fill standpipe deceleration and increase system of hindering

Info

Publication number: CN214660338U
Application number: CN202120353975.8U
Authority: CN
Inventors: 周根明; 吴学民; 吴静轩; 徐延江; 董立波
Original assignee: Beijing Jinchengxin Mine Technology Institute Co ltd; Jincheng Mine Engineering Design Institute Co ltd; JCHX MINING MANAGEMENT CO Ltd
Current assignee: Beijing Jinchengxin Mine Technology Institute Co ltd; Jincheng Mine Engineering Design Institute Co ltd; JCHX MINING MANAGEMENT CO Ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-11-09
Anticipated expiration: 2031-02-08

Abstract

The utility model discloses a filling standpipe speed and resistance increasing system, which comprises a plurality of sections of standpipes, wherein the plurality of sections of standpipes are vertically arranged and sequentially distributed in the vertical direction, one ends of any two adjacent sections of standpipes, which are close to each other, are respectively connected and communicated through a damper, materials are conveyed from top to bottom through the plurality of sections of standpipes and are decelerated through the dampers, so that the materials freely descend under the action of gravity in the non-section standpipes, the speed of the materials is continuously accelerated until the materials downwards move to pass through the dampers, the materials after being decelerated continue to be accelerated downwards under the action of gravity, and are decelerated when meeting the dampers again, the reciprocating is carried out, the moving speed of the materials in the plurality of sections of standpipes is not too high, so that the following ratio abrasion of the materials to the standpipes is reduced, the abrasion condition of the plurality of sections of standpipes is relatively balanced, if the dampers are multiple, the wear of a plurality of dampers is relatively balanced, so that the service life of the multi-section vertical pipe is relatively balanced.

Description

Fill standpipe deceleration and increase system of hindering

Technical Field

The utility model relates to a mine filling mining technical field especially relates to a fill standpipe deceleration and increase resistance system.

Background

In the field of mine filling engineering, particularly for filling the goaf of a low-power line deep shaft stope, filling slurry is prepared by a filling station built on the ground, and then the prepared filling slurry is conveyed to the goaf to be filled by gravity flow through filling pipelines arranged in a filling shaft and a stope roadway. Because the filling slurry is composed of the tailings with the abrasive property, the rod-milled sand and the broken waste stones, the filling pipeline is abraded and fails in the conveying process, and particularly in a vertical pipeline from the ground to a filling goaf, the filling slurry generates high-speed impact abrasion on the pipeline due to free falling motion in the pipeline, so that the pipeline is broken. Because the construction of the filling vertical shaft and the pipeline laying difficulty are high, the construction period is long, the construction cost is high, how to prolong the service life of the filling vertical pipe becomes a great technical problem to be solved urgently, and along with the continuous expansion of mining resources, the deep well filling which is necessary for the mining of deep metal ores makes the technical problem more serious. In order to solve the problem, the industry adopts various pressure reduction, resistance increasing and wear reduction measures of different modes such as a sand storage tank pressure reduction system, pipeline return type pressure reduction and proportional flow control valve pressure reduction, a porous throttling pipe, safe diaphragm pressure reduction and buffer box elbow pressure reduction so as to prolong the service life of a filling pipeline.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the present invention is to provide a filling standpipe deceleration resistance-increasing system that has long service life and is worn everywhere uniformly.

In order to achieve the above purpose, the technical solution of the present invention is as follows: the utility model provides a fill standpipe deceleration and increase system of hindering, includes multisection standpipe, multisection the equal vertical setting of standpipe and follow the upper and lower direction and distribute in proper order, arbitrary adjacent two the standpipe one end that is close to each other is connected and is communicate through a attenuator respectively, and the material passes through the multisection the standpipe is from top to bottom carried, and the warp the attenuator carries out the deceleration.

The beneficial effects of the above technical scheme are that: so the material freely descends under the action of gravity in not saving the standpipe, and its speed constantly accelerates until when downstream to the process attenuator, slow down by the attenuator, and the material after the speed reduction continues to accelerate downwards under the action of gravity, and slow down when meetting the attenuator again, so reciprocal, the speed that makes the material removal in the multisection standpipe all can not be too high, so make the material reduce with you than wearing and tearing to the standpipe, and the wearing and tearing condition of multisection standpipe is balanced relatively, if the attenuator has when a plurality of, the wearing and tearing condition of a plurality of attenuators also is more balanced relatively, so make the life of multisection standpipe balanced relatively, and life length is more unanimous.

The filling pipe is characterized by also comprising an L-shaped filling pipe, wherein the filling pipe is provided with a vertical section and a horizontal section, and the upper end of the vertical section of the filling pipe is connected and communicated with the lower end of the vertical pipe positioned at the lowest part or integrally formed.

The beneficial effects of the above technical scheme are that: the structure is simple, so that the slurry is transited through a section of horizontal section before being discharged, and the output speed is uniform.

Still include the hopper of receiving among the above-mentioned technical scheme, the hopper of receiving is tubaeform, and its great end of opening is up, and the less end of opening is down, and its less end of opening and the upper end that is located the top standpipe are connected and are communicate.

The beneficial effects of the above technical scheme are that: this allows the material to be transported downwardly as much as possible under the force of gravity.

The technical scheme includes that the feeding device further comprises a feeding pipe, the discharging end of the feeding pipe extends into the receiving hopper through the larger opening end of the receiving hopper so as to convey materials into the receiving hopper, and the feeding end of the feeding pipe is communicated with the discharging end of the feeding device.

The beneficial effects of the above technical scheme are that: therefore, the material supplied by the feeding device is guided to the receiving hopper by the material pipe.

The technical scheme includes that the filling pipe further comprises a controller, a flow sensor, a pressure sensor and a flow control valve, the flow sensor is installed on the feeding pipe, the pressure sensor and the flow control valve are installed at the horizontal section of the filling pipe respectively, and the flow sensor, the pressure sensor and the flow control valve are all electrically connected with the controller.

The beneficial effects of the above technical scheme are that: so can be convenient the flow of knowing the material in the material pipe and the pressure of filling pipe, can adopt flow control valve to adjust the flow that filling pipe discharged the material simultaneously.

Among the above-mentioned technical scheme the attenuator includes casing and damping piece, the inside cavity of casing, its upper end has the feed inlet rather than inside intercommunication, and its lower extreme has the discharge gate rather than inside intercommunication, the damping piece is arranged in the casing, and be located between feed inlet and the discharge gate, just the damping piece with have between the shells inner wall with the clearance of feed inlet and discharge gate intercommunication, the material warp the feed inlet of attenuator enters into at a high speed in the casing, and strikes and arrive slow down on the damping piece, and warp after slowing down the clearance is arranged to the discharge gate downwards.

The beneficial effects of the above technical scheme are that: the structure is simple, so that the material is decelerated once after moving downwards to the shell and impacting the damping block.

In the technical scheme, the feed port is positioned in the middle of the upper end of the shell, and the edges of the damping blocks protrude out of the edges of the feed port.

The beneficial effects of the above technical scheme are that: so make the abundant striking of homoenergetic of material after getting into the casing to the damping piece to make the material homoenergetic that enters into the casing through once slowing down.

According to the technical scheme, the shell is internally provided with a plurality of supporting blocks which are distributed at intervals in an annular shape, and the damping blocks are placed on the supporting blocks or fixedly installed on the supporting blocks.

The beneficial effects of the above technical scheme are that: so that the damping block can be conveniently installed in the shell.

In the technical scheme, the damping block is spherical.

The beneficial effects of the above technical scheme are that: so make the damping piece if put when a plurality of supporting shoes, the material is when striking the damping piece, and the damping piece is rotatable to make its wearing and tearing everywhere of damping piece in long-term use balanced, only the diameter diminishes, thereby make the private life length of side of attenuator.

In the technical scheme, the damping block is a ceramic or silicon carbide component.

The beneficial effects of the above technical scheme are that: the wear-resisting property is good, and the service life is long.

Drawings

FIG. 1 is a schematic view of a fill-riser deceleration and resistance-increase system according to an embodiment of the present invention;

FIG. 2 is a second schematic view of the filling riser deceleration and resistance increase system according to the embodiment of the present invention;

FIG. 3 is an electrical diagram of a fill-standpipe deceleration and resistance-increasing system according to an embodiment of the present invention;

FIG. 4 is a schematic view of the damper according to the embodiment of the present invention;

FIG. 5 is a horizontal cross-sectional view of the damper according to an embodiment of the present invention;

fig. 6 is a connection diagram of the damper and the standpipe according to an embodiment of the present invention.

In the figure: 1 vertical pipe, 2 dampers, 21 shell, 211 upper shell, 212 lower shell, 22 damping block, 23 supporting block, 3 filling pipe, 4 receiving hopper, 5 feeding pipe, 6 controller, 7 flow sensor, 8 pressure sensor, 9 flow control valve and 10 pipe sleeve.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1, this embodiment provides a filling standpipe speed and resistance reduction system, which includes a plurality of vertical pipes 1, wherein a plurality of vertical pipes 1 are vertically arranged and sequentially distributed in an up-down direction, one end of each of two adjacent vertical pipes 1, which is close to each other, is connected and communicated with each other through a damper 2, a material is conveyed from top to bottom through the plurality of vertical pipes 1 and is reduced in speed through the dampers 2, so that the material freely descends under the action of gravity in the vertical pipe without joints, the speed of the material is continuously increased until the material moves downwards to pass through the dampers, the material is decelerated by the dampers, the decelerated material continues to accelerate downwards under the action of gravity, and is decelerated when encountering the dampers again, and the operations are repeated, so that the moving speed of the material in the plurality of vertical pipes is not too high, the following-to-vertical pipe abrasion of the material is reduced, and the abrasion conditions of the plurality of vertical pipes are relatively balanced, if there are a plurality of dampers, the wear conditions of the plurality of dampers are relatively balanced, so that the service lives of the plurality of sections of vertical pipes are relatively balanced, and the service lives are relatively consistent.

Wherein, still include receiving hopper 4 among the above-mentioned technical scheme, receiving hopper 4 is tubaeform, and its great end of opening is up, and the less end of opening is down, and its less end of opening with be located the top the upper end of standpipe 1 is connected and the intercommunication, so make the material carry downwards as far as by gravity as power.

As shown in fig. 2, the slurry filling device further comprises an L-shaped filling pipe 3, the filling pipe 3 has a vertical section and a horizontal section, the upper end of the vertical section of the filling pipe 3 is connected and communicated with or integrally formed with the lower end of the lowermost vertical pipe 1, the structure is simple, and slurry is transited through a section of the horizontal section before being discharged, so that the output speed is uniform.

The technical scheme includes that the material receiving device further comprises a material receiving pipe 5, a discharging end of the material receiving pipe 5 extends into the material receiving hopper 4 through a large opening end of the material receiving hopper 4 to convey materials into the material receiving hopper 4, and a feeding end of the material receiving pipe 5 is communicated with a discharging end of the feeding device, so that the materials supplied by the feeding device are guided to the material receiving hopper by the material receiving pipe.

As shown in fig. 3, the technical solution further includes a controller 6, a flow sensor 7, a pressure sensor 8 and a flow control valve 9, the flow sensor 7 is installed on the incoming pipe 5, the pressure sensor 8 and the flow control valve 9 are respectively installed at the horizontal section of the filling pipe 3, and the flow sensor 7, the pressure sensor 8 and the flow control valve 9 are all electrically connected to the controller 6, so that the flow rate of the material in the incoming pipe and the pressure of the filling pipe can be conveniently known, and the flow rate of the material discharged from the filling pipe can be adjusted by using the flow control valve.

As shown in fig. 4, in the above technical solution, the damper 2 includes a housing 21 and a damping block 22, the housing 21 is hollow (composed of an upper housing 211 and a lower housing 212 connected by a flange, wherein a feed inlet is located at the upper end of the upper housing, and a discharge outlet is located at the lower end of the lower housing), the upper end of the damping block is provided with a feeding hole communicated with the inside of the damping block, the lower end of the damping block is provided with a discharging hole communicated with the inside of the damping block, the damping block 22 is arranged in the shell 21, and is positioned between the feed inlet and the discharge outlet, a gap for communicating the feed inlet and the discharge outlet is arranged between the damping block 22 and the inner wall of the shell 21, the material enters the shell 21 through the feed inlet of the damper 2 at a high speed, and then the damping block 22 is impacted to decelerate, and the decelerated damping block is discharged downwards to the discharge hole through the gap, the structure is simple, so that the material is decelerated once after moving downwards to the shell and impacting the damping block.

In the technical scheme, the feed port is positioned in the middle of the upper end of the shell 21, and the edge of the damping block 22 protrudes out of the edge of the feed port, so that materials can fully impact the damping block after entering the shell, and the materials entering the shell can decelerate once.

In the technical scheme, a plurality of supporting blocks 23 are arranged in the shell 21, the supporting blocks 23 are distributed at intervals in an annular shape, and the damping blocks 22 are arranged on the supporting blocks 23 or fixedly arranged on the supporting blocks 23, so that the damping blocks can be conveniently and quickly arranged in the shell.

Among the above-mentioned technical scheme damping piece 22 is spheroid shape, so make the damping piece if put when a plurality of supporting shoes, the material is when striking the damping piece, and the damping piece is rotatable to make its wearing and tearing everywhere of damping piece in long-term use balanced, only the diameter diminishes, thereby make the private life length of side of attenuator.

As shown in fig. 5, at least three support blocks are provided, preferably, the number of the support blocks is three, the horizontal section of the inner cavity of the housing is circular, and the three support blocks are circumferentially and uniformly distributed in the housing at intervals, so that the damping block is placed among the three support blocks.

In the technical scheme, the damping block is made of high-wear-resistance materials, preferably, the damping block is a ceramic or silicon carbide material component, and is good in wear resistance and long in service life.

The controller is a PLC controller, wherein the height of each vertical pipe is required to ensure that the speed of the materials when the materials fall to the lower end of the vertical pipes through the upper end free falling bodies is not more than 25 m/s.

Wherein, the controller is used for receiving the signals transmitted by the flow sensor 7 and the pressure sensor 8, and controlling the opening and closing amount of the flow control valve 9, so that the whole filling vertical pipe speed reduction and resistance increase system can realize full pipe feeding (i.e. no cavity is in the pipeline during feeding), and when the filling vertical pipe speed reduction and resistance increase system is in full pipe conveying, the moving speed of the materials in the vertical pipe, the damper and the filling pipe is smaller than that of a free falling body, so that the abrasion of the materials is relatively smaller, so that the service life of the filling vertical pipe speed reduction and resistance increase system is prolonged, wherein, the flow sensor 7 is used for measuring the feeding flow of the incoming pipe, the opening and closing amount of the flow control valve is controlled by the controller, the pressure in the flushing pipe close to the flow control valve is measured according to the pressure sensor, and when the materials are initially injected, the flow of the materials passing through the flow control valve is smaller than the flow of the incoming pipe, so that the interior material of multisection standpipe and filling pipe should gather to full pipe fast, learn the interior full pipe back of multisection standpipe and filling pipe through pressure sensor, can adjust through the controller flow control valve to its flow is unanimous or close with the flow that flow sensor measured to make whole filling standpipe deceleration increase and hinder the system feeding and ejection of compact keep balance, and be in the state that wearing and tearing minimum to standpipe, attenuator and filling pipe.

As shown in fig. 6, preferably, the feed inlet and the discharge outlet of each damper are respectively connected with the corresponding vertical pipe through the pipe sleeve 10 in an interference fit manner, for example, the feed inlet of the damper and the lower end of the vertical pipe located immediately above the feed inlet of the damper both extend into one pipe sleeve 10 and are both in an interference fit manner with the pipe sleeve 10 to achieve a sealed connection, and the discharge ends of the dampers are the same as above, so that details are not repeated.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A filling vertical pipe speed and resistance reduction and increase system is characterized by comprising a plurality of sections of vertical pipes (1), wherein the plurality of sections of vertical pipes (1) are vertically arranged and sequentially distributed in the vertical direction, one ends, close to each other, of any two adjacent sections of vertical pipes (1) are respectively connected and communicated through a damper (2), and materials are conveyed from top to bottom through the plurality of sections of vertical pipes (1) and subjected to speed reduction through the dampers (2); damper (2) are including casing (21) and damping piece (22), casing (21) inside cavity, its upper end have rather than the inside feed inlet that communicates, its lower extreme has rather than the inside discharge gate that communicates, damping piece (22) are arranged in casing (21), and lie in between feed inlet and the discharge gate, just damping piece (22) with have between casing (21) the inner wall with the clearance of feed inlet and discharge gate intercommunication, the material warp the feed inlet of damper (2) enters into at a high speed in casing (21), and strikes go up to slow down on damping piece (22), and after slowing down the warp the clearance is arranged downwards to the discharge gate.

2. The filling riser speed-reducing and resistance-increasing system according to claim 1, further comprising an L-shaped filling pipe (3), wherein the filling pipe (3) has a vertical section and a horizontal section, and the upper end of the vertical section of the filling pipe (3) is connected with and communicated with or integrally formed with the lower end of the lowermost filling riser (1).

3. A filling riser deceleration and resistance increase system according to claim 2, characterized in that it further comprises a receiving hopper (4), said receiving hopper (4) being flared with its larger open end facing upwards and its smaller open end facing downwards, and its smaller open end being connected to and communicating with the upper end of the uppermost riser (1).

4. The filling riser speed-reducing and resistance-increasing system according to claim 3, characterized by further comprising a feeding pipe (5), wherein the discharging end of the feeding pipe (5) extends into the receiving hopper (4) through the larger opening end of the receiving hopper (4) to convey materials into the receiving hopper (4), and the feeding end of the feeding pipe (5) is used for communicating with the discharging end of the feeding device.

5. The filling standpipe speed-reducing and resistance-increasing system of claim 4, further comprising a controller (6), a flow sensor (7), a pressure sensor (8) and a flow control valve (9), wherein the flow sensor (7) is mounted on the feeding pipe (5), the pressure sensor (8) and the flow control valve (9) are respectively mounted at a horizontal section of the filling pipe (3), and the flow sensor (7), the pressure sensor (8) and the flow control valve (9) are all electrically connected with the controller (6).

6. The filling riser deceleration and resistance increase system according to claim 1, wherein the inlet is located in the middle of the upper end of the housing (21), and the edges of the damping block (22) protrude beyond the edges of the inlet.

7. The filling riser deceleration and resistance increase system according to claim 6, wherein a plurality of support blocks (23) are arranged in the housing (21), the support blocks (23) are distributed at intervals in a ring shape, and the damping block (22) is placed on the support blocks (23) or is fixedly installed on the support blocks (23).

8. The fill-standpipe deceleration drag increase system of claim 7, wherein the damping block (22) is spherical.

9. The fill-riser deceleration and resistance increase system according to claim 8, wherein the damping mass (22) is a ceramic or silicon carbide material.