CN110469363A - A kind of vertical sand warehouse of continuous-stable discharge puts sand device - Google Patents
A kind of vertical sand warehouse of continuous-stable discharge puts sand device Download PDFInfo
- Publication number
- CN110469363A CN110469363A CN201910791149.9A CN201910791149A CN110469363A CN 110469363 A CN110469363 A CN 110469363A CN 201910791149 A CN201910791149 A CN 201910791149A CN 110469363 A CN110469363 A CN 110469363A
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- sand
- high pressure
- feed hopper
- puts
- warehouse
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/005—Methods or devices for placing filling-up materials in underground workings characterised by the kind or composition of the backfilling material
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/06—Filling-up mechanically
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses a kind of vertical sand warehouses of continuous-stable discharge to put sand device, is installed below vertical sand warehouse (1), including orlop throttling flashboard (2), taper feed hopper (3) and biaxial screw dispenser (4)；Orlop throttling flashboard (2) is installed below vertical sand warehouse (1), connects taper feed hopper (3) top material inlet；The feed inlet of taper feed hopper (3) lower part material outlet connection biaxial screw dispenser (4)；It is equipped with below biaxial screw dispenser (4) and puts sand mouth (6)；Described taper feed hopper (3) the top material inlet horizontal cross-section is greater than lower part material outlet.The heavy real region high concentration last mortar of orlop is directly acted on using double frequency conversion screw batchers, sand feed is put by machine driving, the technology does not disturb the area Cang Neichenshi, it can be effectively controlled and put sand process, ensure that sand face uniformly declines, it avoids ensureing that high-concentration stable continuously puts sand process using disturbance of the activated media to tailings infall process, it is final to realize that vertical sand warehouse high-efficiency and continuous stabilization puts sand.Discharge device of the present invention includes orlop throttling flashboard, conical hopper, biaxial screw batcher and flusher etc..
Description
Technical field
The present invention relates to mining machinery technical fields more particularly to a kind of underground mine filling exploitation field in filling in mine
Slurry preparation system last mortar, which is concentrated, puts sand device with the vertical sand warehouse for putting continuous-stable discharge used in sand process.
Background technique
It is that the effective means of high quality filling slurry is provided for the method for mining by the way of filling that vertical sand warehouse, which prepares high concentration last mortar, when
Before, there is over thousands of seat vertical sand warehouse high dense fill system in domestic mine, with the continuous development of vertical sand warehouse concentration technique, in sand
Chamber structure, sedimentation concentration and the performance for efficiently putting sand, stowage capacity etc. have significant progress, and still, vertical sand warehouse exists
During preparing high concentration last mortar, however it remains series of technical has to be solved, and these problems specifically include that
(1) putting sand process needs pulping medium to carry out activation disturbance to orlop region, and activation process is difficult to effectively control, because
And put sand concentration, instability of flow；
(2) sand is put to occur stopping or occurring orlop " drawing empty " and cause settled layer low concentration tailings in a large amount of storehouses in the process
Slurry, which enters stope, influences stope filling quality；
(3) silo roof is disturbed by pulping medium and overflow race occurs and mix, and influences the efficiency etc. that shrinks.These problems directly affect vertical
The concentration preparation quality and comprehensive benefit of formula sand warehouse, constrain the extensive use and development of filling process technology.Therefore, invention is new
The filling in mine technology of preparing of type, on the basis of vertical sand warehouse to filling preparation with put sand system and undergo technological transformation upgrading, have
There is important realistic meaning.
Vertical sand warehouse prepares high concentration last mortar mainly there are two process, concentration process and puts sand process, and concentration process is
Refer to that low concentration last mortar solid tailing fine grained by depositing and being compacted in orlop from resedimentation, forms the heavy real region of high concentration.
Because generally up to more than ten meters of vertical sand warehouse storehouse cylinder to more than 20 rice, sand bar bottom pressure is larger, and last mortar is able at elevated pressures
Sufficiently compacting, it is extremely difficult that orlop puts sand process, and under normal circumstances, sand bar bottom high concentration last mortar is put sand process needs and taken
Necessary activated measure, common method are to carry out activation disturbance to the storehouse region Nei Chenshi using high pressure water or high-pressure blast, make bottom
Last mortar concentration in the area a certain range Chen Shi, portion is reduced readily flowed and is released.But using the activation process of geomantic omen medium
It is often difficult to reach ideal effect, activation disturbance is excessive, easily leads to settled layer and is connected with heavy real region and generates the empty effect of drawing
It answers, so that put sand mouth and sand warehouse top low concentration region forms biggish conduit pipe, and then causes lower to put sand concentration；Pulping
Activation energy is insufficient or slurry making system is not because blocking failure has activation effect then, is also easy to produce hardened effect, hardened, to put sand
Bulk deposition tailings in the orlop of mouth neighboring area, result in blockage mud making spray nozzle, puts sand process and generates the empty effect of drawing, reducing sand warehouse has
A series of problems, such as imitating volume, putting sand process will become extremely difficult.
Summary of the invention
The object of the present invention is to provide a kind of vertical sand warehouses of continuous-stable discharge to put sand device, for solving filling in mine
System vertical sand warehouse cannot preferably solve the technical problem that continuous-stable high concentration controllably puts sand using activated media, specific to
Vertical sand warehouse put sand it is unstable, it is discontinuous, be difficult to effectively control a series of problems, such as high concentration puts sand.The present invention is using mechanical
Vertical sand warehouse discharge puts sand device, mechanically puts sand process and does not need to activate heavy real region, it is difficult using control to can avoid
The agent activating process in biggish geomantic omen is spent, thus can realize that high concentration last mortar stabilization puts sand discharge, effectively avoids above-mentioned technology
Problem.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of vertical sand warehouse of continuous-stable discharge puts sand device, is installed on 1 lower section of vertical sand warehouse, including orlop throttles lock
Plate 2, taper feed hopper 3 and biaxial screw dispenser 4；
The orlop throttling flashboard 2 is installed on 1 lower section of vertical sand warehouse, connects 3 top material inlet of taper feed hopper；Institute
The feed inlet for 3 lower part material outlet of the taper feed hopper connection biaxial screw dispenser 4 stated；It is set below biaxial screw dispenser 4
Put sand mouth 6；
The 3 top material inlet horizontal cross-section of taper feed hopper is greater than lower part material outlet.
The vertical sand warehouse of the continuous-stable discharge puts sand device, further includes high pressure washing mechanism, high pressure washing mechanism
Including two groups of high pressure washing nozzles 5；First group of high pressure washing nozzle 5 is set to 4 feeding end of biaxial screw dispenser, the parallel spiral shell of water flow
Bar is axially directed to discharge end；Second group of high pressure washing nozzle 5 is set to the section circumferential direction for putting the biaxial screw dispenser 4 at sand mouth 6.
Second group of high pressure washing nozzle 5 includes four, and two high pressure washing nozzles 5 are set to two in the horizontal direction
Side, water (flow) direction are respectively directed to two pitch；Another two high pressure washing nozzle 5 is set to top, water flow side along the vertical direction
To being respectively directed to two pitch.
The opening cone angle of the taper feed hopper 3 is 50 ± 5 °.
As seen from the above technical solution provided by the invention, a kind of continuous-stable discharge provided in an embodiment of the present invention
Vertical sand warehouse put sand device, directly act on the heavy real region high concentration last mortar of orlop using double frequency conversion screw batchers, lead to
It crosses machine driving and puts sand feed, which does not disturb the area Cang Neichenshi, can be effectively controlled and put sand process, it is ensured that sand face is equal
Even decline avoids ensureing that high-concentration stable continuously puts sand process using disturbance of the activated media to tailings infall process, final real
Existing vertical sand warehouse high-efficiency and continuous stabilization puts sand.Discharge device of the present invention include orlop throttling flashboard, conical hopper, biaxial screw to
Material machine and flusher etc..
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is that the vertical sand warehouse of continuous-stable discharge provided in an embodiment of the present invention puts the structural schematic diagram one of sand device；
Fig. 2 is that the vertical sand warehouse of continuous-stable discharge provided in an embodiment of the present invention puts the structural schematic diagram two of sand device；
Fig. 3 is that the vertical sand warehouse of continuous-stable discharge provided in an embodiment of the present invention puts the taper feed chamber structure of sand device
Schematic diagram；
Fig. 4 is that the vertical sand warehouse of continuous-stable discharge provided in an embodiment of the present invention puts the high pressure washing nozzle cloth of sand device
Set schematic diagram one；
Fig. 5 is that the vertical sand warehouse of continuous-stable discharge provided in an embodiment of the present invention puts the high pressure washing nozzle cloth of sand device
Set schematic diagram two.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
The embodiment of invention, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, belongs to protection scope of the present invention.
The embodiment of the present invention is described in further detail below in conjunction with attached drawing.
As shown in Figures 1 and 2, a kind of vertical sand warehouse of continuous-stable discharge puts sand device, is installed under vertical sand warehouse 1
Side, including orlop throttling flashboard 2, taper feed hopper 3 and biaxial screw dispenser 4.
The orlop throttling flashboard 2 is installed on 1 lower section of vertical sand warehouse, and specifically the bulkhead with 1 lower part of vertical sand warehouse is adopted
It is connected with high-strength bolt, top can be truncated and put sand, flashboard uses mechanical transmission, has waterproof sealing.Its functional character is main
Sand process is put for controlling truncation, after putting sand and stopping, accepting sand bar bottom pressure, and can be used for controlling lower part equipment maintenance
Deng.
The orlop throttling flashboard 2 connects 3 top material inlet of taper feed hopper；3 lower part of taper feed hopper
The feed inlet of material outlet connection biaxial screw dispenser 4；It is equipped with below biaxial screw dispenser 4 and puts sand mouth 6.
The 3 top material inlet horizontal cross-section of taper feed hopper is greater than lower part material outlet.The specific cone
The opening cone angle of shape feed hopper 3 is 50 ± 5 °, so also referred to as wide-angle taper feed hopper.As shown in figure 3, side plate and horizontal plane
Angle be about 65 °.This is to flow the suitable high concentration last mortar (namely material) in top can smoothly to control material receiving area
Enter in biaxial screw dispenser 4, using wide-angle taper feed hopper, 3 top connections storehouse coxopodite stream flashboard 2 of taper feed hopper, under
Portion connects biaxial screw dispenser 4.3 inner wall of taper feed hopper is added suddenly using low-angle arch dam, that is, uses upper convex surface
Liner, liner plate are welded using high strength steel plate, and wide-angle bottom stably feeding is predominantly realized in effect, keep bottom in storehouse highly concentrated
It spends last mortar and decentralization is stablized into biaxial screw dispenser 4 by feed hopper.
Biaxial screw dispenser 4 is driven using motor frequency conversion, and twin-screw (also referred to as spiral) axis parallel arrangement, rotating vane exists
It is rotated under motor driven, material in taper feed hopper 3 is driven to be discharged to 6 direction of sand mouth is put.Its function predominantly changes high concentration
Last mortar discharging path, under screw machine blade rotating force, high concentration last mortar is changed to water by vertical downflow in storehouse
Advection is dynamic, and flow rate is realized put the controllable of sand process to the full extent, in twin shaft by 4 active control of biaxial screw dispenser
6 end of sand mouth of putting of screw feeders 4 is additionally provided with and puts sand valve, puts under sand state, biaxial screw dispenser 4 sends high concentration tail
Mortar is put, and sand valve is stable to be excluded.4 one end of biaxial screw dispenser connects 3 lower part of taper feed hopper, and other end setting is put
Sand mouth 6, and install and put sand valve, sand pipe can be connected, function is to realize to high concentration last mortar in taper feed hopper 3
Stabilization puts sand.Biaxial screw dispenser 4 is the equipment that chemical field commonly conveys material, and specific structure repeats no more.
High concentration last mortar is during putting sand, high concentration last mortar circulation path are as follows: it vertically shrinks in vertical sand warehouse 1,
Through the area orlop Chen Shi, taper feed hopper is entered under Gravitative Loads, by entering biaxial screw dispenser 4 after taper feed hopper 3,
Biaxial screw dispenser 4 drives high concentration last mortar bottom horizontal flow sheet to putting sand mouth 6.In biaxial screw dispenser 4, put for control
Sand concentration, secondary discharge process, meanwhile, also to avoid fine grained tailings adhesive aggregation in 4 inner wall of blade and biaxial screw dispenser
The positions such as dead angle cause start and stop difficulty and improve the service life of equipment, need to biaxial screw dispenser 4 in discharging process
With carry out necessary flushing work in stopping process, cleaning system uses high pressure aqueous medium, is realized by high pressure washing nozzle clear
It washes, it further includes high pressure washing mechanism that therefore, the vertical sand warehouse of continuous-stable discharge here, which puts sand device, such as Fig. 4 and Fig. 5 institute
Show, high pressure washing mechanism includes two groups of high pressure washing nozzles 5；First group of high pressure washing nozzle 5 is set to biaxial screw dispenser 4 and enters
Expect end, water flow parallel screw is axially directed to discharge end；First group of high pressure washing nozzle 5 has one, such as 5# in Fig. 5, be installed on into
Expect end.
Second group of high pressure washing nozzle 5 is set to the section circumferential direction for putting the biaxial screw dispenser 4 at sand mouth 6, as shown in Figure 4
For the section for putting the biaxial screw dispenser 4 at sand mouth 6.Second group of high pressure washing nozzle 5 includes four, two high pressures
Flooding nozzle 5 is set to two sides in the horizontal direction, and such as 1# and 4# in Fig. 4, water (flow) direction is respectively directed to two pitch；Another two
High pressure washing nozzle 5 is set to top along the vertical direction, and such as 2# and 3# in Fig. 4, water (flow) direction is respectively directed to two pitch.
In addition, high pressure washing mechanism further includes the auxiliary components such as pipeline, valve, switch and high-pressure pump, belong to well known skill
Art repeats no more.
Before putting sand process and opening, orlop throttling flashboard 2 is in close state described device, is put sand mouth 6 and is in closing
State, when in vertical sand warehouse 1 high concentration last mortar deposit satisfaction put emery stick part, need to open vertical sand warehouse 1 stablize discharge system
Realize that steady and continuous puts sand, then its course of work are as follows:
The sand valve → 4 low frequency of starting biaxial screw dispenser rotates → of putting that opening puts sand mouth 6 opens biaxial screw feed
4 internal high pressure flushing machine of device → opening orlop throttling highly concentrated last mortar of 2 → orlop of flashboard enters twin shaft spiral shell through taper feed hopper 3
4 frequency of sand mouth 6 → adjusting biaxial screw dispenser is put in the driving high concentration last mortar exclusion of bar dispenser 4 → biaxial screw dispenser
Rate closes high pressure washing mechanism depending on concrete condition in due course, realizes design feed flow → high-concentration stable feed.
Described device needs to close sand process of putting after putting sand, and each working position initial status is orlop throttling
Flashboard 2 is in the open state, and put sand mouth 6 puts that sand valve is in the open state, and double-shaft spiral batcher 4 is in starting state,
High pressure washing mechanism is in close state, then its stopping process are as follows: closes orlop throttling flashboard 2 → holding double-shaft spiral batcher
4 in starting state → starting double-shaft spiral batcher internal high pressure flushing machine → holding put sand mouth 6 it is in the open state →
Sand pipe tailings stops excluding, and cleaning double-shaft spiral batcher 4 terminates (clear water is seen in sand pipe) → stopping double-shaft spiral feed
What sand mouth 6 was put in machine 4 and internal high pressure flushing machine → closing puts sand valve → completion stopping process.
Beneficial effects of the present invention
Vertical sand warehouse is difficult to realize high-concentration stable and continuously puts sand be that restricting current vertical sand warehouse is filled in high concentration or lotion
Fill out the widely applied important technology problem of field of mining, the present invention for vertical sand warehouse put sand process it is discontinuous, it is unstable,
The technical problems such as sand concentration is low are put, has innovated and has put sand process, are passed using orlop portion high concentration region is directly acted on by mechanical
It is dynamic to put sand mode, vertical sand warehouse activation pulping process is avoided, it can be achieved that the preparation of vertical sand warehouse high concentration last mortar and continuous
Stablize and put sand, effective solution traditional vertical sand warehouse prepares using activated media the technological deficiency of last mortar, can effectively promote
Into the development of the field technology and equipment, there is positive promote meaning to high concentration or paste body filling mining codes, and have aobvious
The Technological Economy comprehensive benefit of work.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (4)
1. a kind of vertical sand warehouse of continuous-stable discharge puts sand device, it is installed below vertical sand warehouse (1), which is characterized in that packet
Include orlop throttling flashboard (2), taper feed hopper (3) and biaxial screw dispenser (4)；
Orlop throttling flashboard (2) is installed below vertical sand warehouse (1), connects taper feed hopper (3) top material inlet；
The feed inlet of taper feed hopper (3) lower part material outlet connection biaxial screw dispenser (4)；Biaxial screw dispenser
(4) lower section is equipped with and puts sand mouth (6)；
Described taper feed hopper (3) the top material inlet horizontal cross-section is greater than lower part material outlet.
2. the vertical sand warehouse of continuous-stable discharge according to claim 1 puts sand device, which is characterized in that further include high pressure
Flushing machine, high pressure washing mechanism include two groups of high pressure washing nozzles (5)；First group of high pressure washing nozzle (5) is set to twin shaft spiral shell
Bar dispenser (4) feeding end, water flow parallel screw are axially directed to discharge end；Second group of high pressure washing nozzle (5), which is set to, puts sand mouth
(6) section of the biaxial screw dispenser (4) at is circumferential.
3. the vertical sand warehouse of continuous-stable discharge according to claim 2 puts sand device, which is characterized in that described second
Group high pressure washing nozzle (5) includes four, and two high pressure washing nozzles (5) are set to two sides, water (flow) direction difference in the horizontal direction
It is directed toward two pitch；Another two high pressure washing nozzle (5) is set to top along the vertical direction, and water (flow) direction is respectively directed to two
Pitch.
4. the vertical sand warehouse of continuous-stable discharge according to claim 1,2 or 3 puts sand device, which is characterized in that described
Taper feed hopper (3) opening cone angle be 50 ± 5 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910791149.9A CN110469363B (en) | 2019-08-26 | 2019-08-26 | Vertical sand silo sand discharging device capable of discharging materials continuously and stably |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910791149.9A CN110469363B (en) | 2019-08-26 | 2019-08-26 | Vertical sand silo sand discharging device capable of discharging materials continuously and stably |
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| Publication Number | Publication Date |
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| CN110469363A true CN110469363A (en) | 2019-11-19 |
| CN110469363B CN110469363B (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910791149.9A Active CN110469363B (en) | 2019-08-26 | 2019-08-26 | Vertical sand silo sand discharging device capable of discharging materials continuously and stably |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112989504A (en) * | 2021-01-25 | 2021-06-18 | 昆明理工大学 | Optimization method of vertical sand silo dynamic high-concentration fluidized sand discharging technology |
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| DE29813915U1 (en) * | 1998-07-24 | 1998-10-08 | Dieter Sojak Silo-Dosieranlagen GmbH, 23879 Mölln | Feed system for the metered introduction of powdery substances into a gas stream |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112989504B (en) * | 2021-01-25 | 2022-08-09 | 昆明理工大学 | Optimization method of vertical sand silo dynamic high-concentration fluidized sand discharging technology |
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| CN110469363B (en) | 2021-05-14 |
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