CN108820918A - A kind of wall-mounted polyurethane compound spiral chute of upright cylinder coal bunker - Google Patents
A kind of wall-mounted polyurethane compound spiral chute of upright cylinder coal bunker Download PDFInfo
- Publication number
- CN108820918A CN108820918A CN201810658501.7A CN201810658501A CN108820918A CN 108820918 A CN108820918 A CN 108820918A CN 201810658501 A CN201810658501 A CN 201810658501A CN 108820918 A CN108820918 A CN 108820918A
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- Prior art keywords
- chute
- coal
- bottom plate
- polyurethane
- baffle
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chutes (AREA)
Abstract
The invention discloses a kind of upright wall-mounted polyurethane compound spiral chutes of drum type brake coal bunker, solve the problems, such as that existing apparatus complex procedures, the component weight big service life are low, installation maintenance is inconvenient, it is characterized in that it includes that deflector chute, transitional helix chute and master screw chute three parts, each section chute are combined by polyurethane material and metallic framework；Mode of putting in storage is using edge along the tangential pan feeding of bulkhead；The deflector chute is ㄩ type, front wide and rear narrow, is made of bottom plate and two sides rib；The transitional helix chute is that front is U-shaped, and rear portion is L-type；The master screw chute is L-type；Bolt mounting holes are arranged in the chute part outer rim siding, are fixed on siding by anchor rod bolt.The present invention efficiently use the characteristics of polyurethane high abrasion with metallic framework is mutually compound and the mode of edge tangential admission, structure is simple, convenient for installation and maintenance, strong applicability, life of product height, is beneficial to further increase block rate, improves the overall economic efficiency of coal mine.
Description
Technical field：
The present invention relates to a kind of lump coal coal bunker feeding devices, wall-mounted poly- more particularly to a kind of upright cartridge type coal bunker
Urethane compound spiral chute.
Background technique：
Some high-quality lump coal production mines, high-quality lump coal price are dispersed on China Ningxia, Shanxi, Shaanxi, Henan and other places
Very greatly, and in the recovery process of lump coal with granularity variation, transport and process of transfer order increase year by year with the increase of mining depth
Add；In transportational process due to the mutual extrusion collision of lump coal, the impact of chute, turn the rolling of sequence point, discharging point drop is big etc. because
Element breaks block rate and remains high, directly affects the economic benefit of coal mine, cause unnecessary waste and massive losses.
The coal mine technical staff in China to solve the above-mentioned problems, actively mentions the raw coal in lump coal production and transport process
Liter, returns the links such as coal, transport, loading system at coal storage, undergoes technological transformation, a series of technological means is taken to reduce brokenly
Block rate, to achieve the purpose that improve the economic and social benefits；It is wherein wall-mounted using steel construction in upright cartridge type coal bunker
Spiral chute is exactly an important modification scheme；Its working principle is that converting the movement of falling object that coal stream enters coal bunker to
At the uniform velocity screw reduces coal flow velocity degree, slows down the impact of coal stream, prevents lump coal breaking, improves lump coal rate；With clever state Mining Group
For Ciyaobao district coal mine coal bunker spiral chute, when which puts in storage to solve lump coal, coal stream excessive velocities, not only direct impacting house
It is serious and frequent to cause bulkhead damage for wall, and the process points out the serious problem of block phenomenon, using wall-mounted steel construction spiral
Chute enters coal mode to coal bunker and undergoes technological transformation, and the device is by deflector chute, snakelike chute, nonstandard spiral chute and master screw
Four part of chute composition, coal can achieve the desired purpose along spiral chute uniform motion after transformation.This technical solution is being practiced
Middle confirmation is effective, but there also have a series of shortcomings to need to be further perfect：1, this set swivel chute is full steel structure, gross weight
25.9 tons, piece weight just up to more than one ton, will also be hung on pinnacled coal bunker wall, and installation and replacement construction is very difficult；2, in
Portion enters coal, and coal stream will could arrive the complexity that device is increased along bulkhead position before entering spiral by snakelike adjustment,
Also it is unable to control reversion, extruding of the lump coal in the snakelike stage, and the snakelike adjustment chute in part need to be vacantly arranged, using a fixed rack
It is fixed, the complexity of installation maintenance is increased, brings certain difficulty to installation maintenance；3, steel structure material hardness is big, rigidity
By force, not wear-resisting, it is not only easy to break block after hitting coal cinder therewith, and steel construction chute can be logical by mill quickly.
Summary of the invention：
The purpose of the invention is to overcome the deficiencies of the prior art and provide a kind of upright wall-mounted polyurethane of cartridge type coal bunker
Composite rotating chute, elasticity is good, light-weight, shock resistance, tear-proof, high abrasion, is easily installed, replaces construction, and coefficient of friction is high,
It is good to damp slow speed effect, can more effectively improve coal stream mode, reduces the generation of broken block.
The present invention is made of deflector chute, transitional helix chute and master screw chute three parts, is respectively provided on the baffle of outer
Countersunk bolts hole is fixed on round bulkhead by anchor rod bolt.
The present invention is characterized in that：Each section chute is combined by polyurethane material and steel construction metallic framework, bone
Frame is embedded in polyurethane material, above there is equally distributed technique through-hole；The deflector chute is " Qian " type, there is edge dam, bottom
Plate and adjustable support composition, bottom plate is trapezoidal, and upper end material receiving end is wide, gradually narrows downwards, and logistics can be put together into edge
One fixed width；The transitional helix chute is the swivel chute accepted between deflector chute and master screw chute, if first half
Dry section be it is U-shaped, latter half several segments are L-type slot, and U-type groove is made of interior along baffle, bottom plate and outer baffle, and L-type slot is by outer
It is formed along baffle, bottom plate；When coal stream turns to, U-shaped outer baffle design is higher, and interior lower along baffle design, bottom plate is inside
Slightly tilt；The master screw chute is the groove body for accepting transitional helix chute, is L-type slot, is made of outer baffle, bottom plate,
The bottom plate inner edge slopes slightly downward at an angle.
Trough parts production technology：After metallic framework preparation, sandblasting, cleaning, degreasing, drying, uniform brushing binder is triumphant
Mu Luoke 218 is packed into the mold preheating of swiped through release agent；The raw material of polyurethane clad is heated in casting machine barrel respectively
100 DEG C of temperature are required to technique, mold and skeleton are also preheating to 100 DEG C, and two kinds of raw materials inject casting room by metering pump, through 1440
Rev/min mixed at high speed after be poured into mold, an entirety is sulfided into 100 DEG C of preheated skeletons, in 120 DEG C of conditions
Lower solidification demoulds after 2 hours, and room temperature vulcanization 24 hours, then can be made into finished product through post-cure 48 hours under the conditions of 120 DEG C.
Working principle：Belt conveyor transports coal to vertical cylinder shape coal bunker upper end inlet, the tangential pan feeding of edge, guide
Slot is using high-order splicing mode, and coal stream leaves conveyer belt and just launches onto " Qian " type deflector chute, since deflector chute has certain inclination
There is baffle on angle and both sides, and coal cinder is just along the guiding glide downwards of deflector chute；Deflector chute is adjusted using adjusting bracket height
Angle can control its tip speed to desired value, be allowed in nonstandard helicla flute controlled range；The guide groove is wide at the top and narrow at the bottom
Transition, coal stream are gradually directed to edge into one fixed width, orderly reduce logistics wide cut, turbulent flow will not occur, smoothly import transition
Chute region；The transition chute is non-standard chute section, and in the section in order to control coal flow velocity degree, helical angle is slightly slow, suitably
Increase coal flow path electrical path length, grading controls coal flow velocity degree using the biggish damping action of the coefficient of friction of polyurethane material
To speed required for screw and direction, it is then introduced into master screw chute section；In master screw section coal stream at the uniform velocity spiral shell
Rotation movement is snapped down to orlop, avoids lump coal and directly falls on orlop under high drop and block and impacting house bottom is caused brokenly to cause orlop
Or bulkhead damage.
The present invention has following beneficial effect compared with the existing technology：1, the side compound using metallic framework and polyurethane material
Formula, reaches the combination of metal rigidity and polyurethane high-wear resistance, has both met the intensity requirement of coal stream carrying, has met chute liner
Flexible good toughness, tear-proof, the excellent requirement of cushion performance improve the applicability and service life of chute；2, edge tangent line
A direction high position enters coal, and making coal stream only needs the adjustment of guide groove simply deceleration measure that can enter eddy flow state along bulkhead, without doing
Snakelike adjustment；3, due to the use of polyurethane material, the piece weight of chute is greatly reduced, every chute component only has 150
Kilogram or so, reduce the difficulty of installation and replacement maintenance；4, due to the flexility of polyurethane material, coal cinder rubs therewith is
Number is big compared with hard Steel material, and cushion performance increases, and reduces brokenly the probability of block.The configuration of the present invention is simple, pan feeding in a word
Mode is scientific and reasonable, convenient for installation and maintenance, strong applicability, life of product are high, can be further improved block rate, when reducing shut-down (breakdown) mainteance
Between, improve the mixed economy and social benefit of coal mine.
Detailed description of the invention：
The main view of the spiral chute of the present invention of attached drawing 1.
The spiral chute top view of the present invention of attached drawing 2.
The deflector chute perspective view of the present invention of attached drawing 3.
The 4 non-standard transition chute perspective view of the present invention of attached drawing.
The master screw slot perspective view of the present invention of attached drawing 5.
The transitional helix slot U-type groove solid installation diagram of the present invention of attached drawing 6.
In figure, 1, deflector chute, 11, interior panelling, 12, outer baffle, 13, bottom plate, 14, adjustable support, 2, transitional helix chute,
21, Internal baffle, 22, outer baffle, 23, bottom plate, 24, steel structure framework, 25, framework process hole, 26, polyurethane clad, 27, anchor
Bar bolt installs counterbore, 3, master screw chute, 4, vertical circular coal bunker, 5, anchor rod bolt, 6, belt feeder.
Specific embodiment：
With reference to the accompanying drawing, the invention will be further described.
As shown in Figure 1, belt feeder 6 transports lump coal to 4 silo roof of coal bunker, the high-order splicing of deflector chute 1；Since deflector chute 1 has
Certain tilt angle and there is baffle 12,11 on both sides, coal cinder is just along the guiding glide downwards of deflector chute 1；1 tilt angle of deflector chute
It is adjustable, to control in coal cinder speed to 2 controlled range of transitional helix chute；In 2 section of transition chute in order to control coal flow velocity
Degree, helical angle is slightly slow, appropriate to increase coal flow path electrical path length, and grading utilizes the biggish resistance of the coefficient of friction of polyurethane material
Buddhist nun's effect, controls speed and direction required for coal flow velocity degree to screw, is then introduced into 3 stage of master screw chute；Into
Enter 3 stage of master screw chute coal stream is in the at the uniform velocity screw state that edge partial velocities are leaned in big portion substantially, and at the uniform velocity spiral is transported
It is dynamic to be snapped down to orlop.
As shown in Figure 2：Coal stream is from about 6 belt to deflector chute 1, and the trapezoidal shape of deflector chute 1, there are baffle, upper width in both sides
Under narrow transition setting, guidance coal stream is tangentially gradually directed to round 4 edge of storehouse into one fixed width from circumference, it is wide orderly to reduce logistics
Turbulent flow will not occur in width, convenient for smoothly importing 2nd area of transition chute；The non-standard transitional helix chute 2 is to accept deflector chute 1
U-typed slot between master screw chute 3 is made of interior along baffle, bottom plate and outer baffle, U-shaped when coal stream turns to
Periphery design is higher, interior lower along designing；Spiral is stepped under the adjustment of U-shaped chute in transitional helix chute section coal stream
State, coal stream under the influence of centrifugal force gradually toward outer baffle at skewness eddy flow and under, coal stream gradually with internal layer baffle disengaging connect
L-shaped is designed at touching, transitional helix chute rear portion, enters at the uniform velocity spiral status immediately, imports master screw chute 3, standard spiral shell
The whole l-shaped of chute 3 are revolved, circumferentially edge at the uniform velocity rotates downslide to coal stream substantially.
As shown in Figure 3：There are baffle, transition setting wide at the top and narrow at the bottom, convenient for control coal in the trapezoidal shape of the deflector chute 1, both sides
Stream orderly reduces logistics wide cut, turbulent flow will not occurs, convenient for smoothly importing 2nd area of transition chute；Adjustable support is arranged in upper end, can
The tilt angle of deflector chute is adjusted by adjusting bracket height, convenient for control coal flow velocity degree.
As shown in Figure 4：The transitional helix chute 2 is the chute accepted between deflector chute 1 and master screw chute 3, Fig. 4
For U-typed part, it is made of interior along baffle 21, bottom plate 23 and outer baffle 22, when coal stream turns to, U-shaped periphery design
It is higher, it is interior lower along designing；Spiral status, flow velocity are stepped under the adjustment of U-shaped chute in 2 sections of coal streams of transitional helix chute
In the case that speed is unstable, lump coal still can contact internal layer baffle, under the influence of centrifugal force coal stream gradually toward outer baffle at
Skewness eddy flow and under, gradually disengaged with internal layer baffle, that is, enter at the uniform velocity spiral status, passed through rear portion L-type part and import mark
Similar spiral chute 3, at the uniform velocity rotation glide.
As shown in Figure 5：The standard chute 3 is the groove body for accepting transitional helix chute, is that coal stream enters spiral stage
Crucial supporting body is L-type slot, and setting bolt hole 33 can be fixed on round bulkhead 4 with anchor rod bolt 5 on vertical plate 32.Into entrance
The master screw stage, velocity-stabilization, coal stream due to the effect of centrifugal force, at stable skewness shape toward 32 Sloped rotating of outer baffle side
It glides；For equilibrium centrifugation power, downward spiral, the bench floor 31 are angled to inner edge inclination again.
As shown in fig. 6, the transitional helix chute 2 is made of metallic framework 24 and polyurethane clad 26；Metallic framework
It is evenly arranged technique through-hole 25 on 24, bonds ectonexine polyurethane 26 and metallic framework 24 securely, is not easy to be layered.It is kept off outside chute
It is evenly arranged bolt installation counterbore 27 on plate, chute can be fixed on round storehouse inner wall by anchor rod bolt 5；Deflector chute, standard
Spiral chute is similar to transitional helix chute structure, is equally also made of steel construction metallic framework and polyurethane clad, metal
Multiple technique through-holes are set on skeleton, is combined together, should not be layered convenient for both sides polyurethane clad；It is also equipped with bolt peace
Counterbore is filled, is fixed on using anchor rod bolt on the wall in round storehouse 4, this structure utilizes the rigidity and polyurethane material of steel structure framework
The high-wear resistance of material effectively improves the service life of chute, more effective to reduce broken block rate.
Claims (3)
1. a kind of wall-mounted polyurethane compound spiral chute of upright cylinder coal bunker, by deflector chute (1), transitional helix chute (2) and
Master screw chute (3) three parts composition, is fixed on coal bunker wall by anchor rod bolt；
It is characterized in that：The deflector chute (1) is in " ㄩ " type, slightly narrow after preceding width, by bottom plate (11) and Internal baffle (12), outer baffle
(13) it is formed with adjustable support (14)；Transitional helix chute (2) the leading portion pan feeding part be it is U-shaped, rear end discharging portion be L
Type is divided into bottom plate (21), is interior along baffle (22) and outer baffle (23), being designed to outer baffle (23) height in coal stream turning point,
Interior low along baffle (22), bottom plate (21) gradually slopes inwardly at an angle；Master screw chute (3) is L-shape, by bottom plate
(31), outer baffle (32) forms, and outer baffle (31) is slightly larger than bottom plate (32) width, and bottom plate (32) is lean-in by certain angle
Tiltedly, it is arranged into orlop always by certain helical angle.
2. all chutes (1), (2), (3) described in claim 1, it is compound by steel construction metallic framework and polyurethane material and
At metallic framework is embedded in polyurethane clad；Fabrication hole is set on the metallic framework, makes the polyurethane packet on skeleton both sides
Coating links together.
3. deflector chute described in claim 1 (1) is using the tangential pan feeding of edge, progressive tightening logistics breadth width mode by lump coal stream
It imports in transitional helix chute (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810658501.7A CN108820918A (en) | 2018-06-15 | 2018-06-15 | A kind of wall-mounted polyurethane compound spiral chute of upright cylinder coal bunker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810658501.7A CN108820918A (en) | 2018-06-15 | 2018-06-15 | A kind of wall-mounted polyurethane compound spiral chute of upright cylinder coal bunker |
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| Publication Number | Publication Date |
|---|---|
| CN108820918A true CN108820918A (en) | 2018-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810658501.7A Pending CN108820918A (en) | 2018-06-15 | 2018-06-15 | A kind of wall-mounted polyurethane compound spiral chute of upright cylinder coal bunker |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110817158A (en) * | 2019-11-29 | 2020-02-21 | 成都星云智联科技有限公司 | Anti-blocking upset material loading machine |
| CN111672448A (en) * | 2020-04-30 | 2020-09-18 | 洛阳市奇航化工有限公司 | Reaction device applied to sodium silicate continuous production process |
| CN113522103A (en) * | 2021-07-30 | 2021-10-22 | 沈阳铝镁设计研究院有限公司 | Special stirring tank of adaptive flood absorption efficiency-increasing generating device |
| CN115092597A (en) * | 2022-07-29 | 2022-09-23 | 内蒙古鄂尔多斯永煤矿业有限公司 | Coal bunker spiral chute of coal mine panel |
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| CN101214872B (en) * | 2008-01-06 | 2010-12-22 | 刘振东 | Vertical coal bunker breakage-proof delamination cushioning device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110817158A (en) * | 2019-11-29 | 2020-02-21 | 成都星云智联科技有限公司 | Anti-blocking upset material loading machine |
| CN111672448A (en) * | 2020-04-30 | 2020-09-18 | 洛阳市奇航化工有限公司 | Reaction device applied to sodium silicate continuous production process |
| CN113522103A (en) * | 2021-07-30 | 2021-10-22 | 沈阳铝镁设计研究院有限公司 | Special stirring tank of adaptive flood absorption efficiency-increasing generating device |
| CN115092597A (en) * | 2022-07-29 | 2022-09-23 | 内蒙古鄂尔多斯永煤矿业有限公司 | Coal bunker spiral chute of coal mine panel |
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