CN2552883Y - Rock screw breakage-proof coal bunker - Google Patents
Rock screw breakage-proof coal bunker Download PDFInfo
- Publication number
- CN2552883Y CN2552883Y CN 02237752 CN02237752U CN2552883Y CN 2552883 Y CN2552883 Y CN 2552883Y CN 02237752 CN02237752 CN 02237752 CN 02237752 U CN02237752 U CN 02237752U CN 2552883 Y CN2552883 Y CN 2552883Y
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- coal
- rock
- coal bunker
- inlet
- warehouse
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Abstract
The utility model relates to a rock crash-proof spiral coal bunker, comprising an inlet guiding device, a coal feeder, and a vertical cylindrical bunker body arranged on the rock between the upper tunnel and the lower tunnel; wherein, a seal grate with an inlet hole is arranged in the round hole at the upper end of the bunker body; a reducing taper hole is arranged at the lower end of the bunker body; the coal feeder is arranged at the outlet at the bottom of the taper hole; a spiral groove denting towards the wall is dug on the cylindrical rock inner wall of the bunker body via the coal feeder; the upper part of the spiral groove is communicated with and arranged in the inlet of the seal grate in the round hole; the lower part of the spiral groove is communicated with the inlet of the coal feeder; the inlet guiding device is arranged in the upper tunnel. The utility model has the advantages of good coal crash-proof effect, low crash rate, and anti-blocking function due to round vertical bunker.
Description
Technical field
The utility model relates to coal production fortune storage facility, and a kind of use that concrete is is dug the coal store that spiral fluted prevents lump coal breaking on the upright silo wall of circle under coal mine.
Background technology
Lump coal is the high value added product in colliery, and lump coal is than high about 100 yuan with coal smalls unit price generally speaking.Improving the coal lump coal rate is the important channel that coal enterprise increases economic benefit.Along with the develop rapidly of modern economy, the demand to lump coal rolls up both at home and abroad, and lump coal occupies significant proportion on the coal market, simultaneously its quality is also had more exacting requirements.In producing fortune storage process, anti-crushing has become the important channel that guarantees certain lump coal rate.It is coal bunker that yet broken key component takes place, and coal bunker is to play coal stream in the coal production process to regulate and the buffering effect, gives full play to the important chamber of exploiting field, mine capacity, is indispensable.In view of the importance of coal bunker to producing, require its both convenient production, improve lump coal rate again, utilize traditional coal bunker form to be difficult to realize.This just need work hard to coal bunker remodeling, designs a kind of easy construction, easy to use, the novel coal bunker that can improve lump coal rate.
Traditional coal bunker form is divided into by its inclination angle difference: high low type, tilting, horizontal and hybrid four kinds.In using, the fortune storage cuts both ways.(1) high low type coal bunker: can do circular, section degree of utilization height, easy construction, maintenance cost is low, is difficult for stifled storehouse, and is easy to use, but lump coal breaking rate height.(2) tilting coal bunker: the lump coal breaking rate is low, but the warehouse constructional difficulties, stifled storehouse accident easily takes place in the maintenance expense height, uses inconvenience.(3) horizontal coal bunker: dynamo-electric accident is many, fortune storage expense height, the on-the-spot use seldom.(4) hybrid coal bunker: complications are many, and construction inconvenience is easy to stifled storehouse, and lump coal is easily broken, and the scene is used less.Above-mentioned various coal bunker is all difficult to reach not only easy construction, the easy to use and requirement that can improve lump coal rate.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of rock screw breaking-resisting coal bunker is provided, and it is convenient to execute formula, prevents that coal crusher is effective, and percentage of damage is low, and has the anti-clogging effect in circular upright storehouse.
The purpose of this utility model is achieved in that a kind of rock screw breaking-resisting coal bunker, comprise the inlet guiding device, feeder, on it, offer vertical cylindrical warehouse on the rock between the following tunnel, the upper end circular hole of this warehouse is provided with the double-edged fine-toothed comb that seals of bringing oral pore into, this warehouse lower end is provided with the convergent taper hole, this taper hole outlet at bottom is equipped with feeder, this feeder is dug the plug helix that oriented wall is recessed on the cylindrical rock inwall of this warehouse, this plug helix top is communicated with the inlet that seals double-edged fine-toothed comb that is loaded on the circular hole, the inlet of feeder is led in this spiral fluted bottom, and the entrance guiding device is housed in brattice way.
Entrance guiding device in the described brattice way is travelling apron and water conservancy diversion funnel, the inlet of this water conservancy diversion funnel through sealing double-edged fine-toothed comb aligns the upper entrance of rock screw groove, in tunnel, described bottom, travelling apron is housed, this conveyer be positioned at the warehouse bottom feeder under.
Described entrance guiding device also can be kick-up, drop-bottom car, the configuration conical hopper.
Described plug helix planar development is sinusoidal shape.
Described plug helix bottom surface and side are equipped with wear-resisting lining.
6. rock screw breaking-resisting coal bunker as claimed in claim 5 is characterized in that: the material of the wear-resisting lining (8) on described plug helix surface is any in iron filings concrete, diabase casting face, steel plate, the high-strength abrasion-proof flame retardant plastics.
The utility model has following actively useful effect:
1. this coal bunker is the novel storehouse that spiral chute storehouse and cylinder storehouse combine, and improves lump coal rate more than one times than traditional cylinder storehouse.
2. the advantage that has kept the cylinder storehouse, construction, easy to use.Dig spiral chute on bulkhead, coal is become along skewed slot by high-revolving free-falling body and at the uniform velocity to glide in entering the warehouse process, has significantly reduced lump coal breaking, has overcome the shortcoming in cylinder storehouse.
3. because construction is comparatively convenient, can transform traditional storehouse.
4. spiral chute and bulkhead one, coal can not destroy it in the storehouse, and spiral chute is more durable.
5. bulkhead supporting expense is low, and support material is advisable with the anchor spray.When inapplicable anchor sprays, can adopt concrete support.
6. the skewed slot surface adds lining, and the material of lining is decided according to the length of service of coal bunker.General with iron-aggregate concrete, glass-ceramic diabase, steel plate, high-strength abrasion-proof fire proofing etc., select materials extensively.
Bottom land and cell wall be connected slyness, resistance is little, prevents long-pending coal effectively.
8. the coal guide groove of interconnect function has been arranged between plug helix and the coal excavation apparatus, and it is smooth and easy to put in storage.
9. construction maintenance is simple, is difficult for stifled storehouse.
10. warehouse and spiral chute long service life, suitable cost is lower.
This coal bunker is the cylindrical screw skewed slot coal bunker that vertical cylinder coal bunker and inclination storehouse integrally combine.Overcome both shortcomings, kept both advantages.It is carved on bulkhead and digs spiral chute based on the upright coal bunker of circle, and to Hatch Opening, funnel place at the bottom of the storehouse at the bottom of coal bunker raw coal suitable for reading slides to the storehouse along spiral chute like this, rather than freely drops down onto at the bottom of the storehouse on this skewed slot.When realizing that oblique storehouse lump coal breaking rate is low, also embodied the anti-clogging effect in circular upright storehouse.
Description of drawings
Fig. 1 is the structural representation of the utility model one embodiment;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the A-A part sectional view of Fig. 1;
Fig. 4 is the lateral plan of taper water conservancy diversion funnel of putting in storage;
Fig. 5 is the birds-eye view of Fig. 4.
Accompanying drawing number:
1. go up 2. times tunnels, tunnel
3. warehouse 301. top circular holes 302. bottom taper holes
4. plug helix
5. entrance guiding device 501. travelling aprons 502. water conservancy diversion funnels
6. descend the travelling apron in the tunnel
7. seal double-edged fine-toothed comb 701. inlets
8. lining 9. feeders 10. rocks
The specific embodiment
Please refer to Fig. 1, Fig. 2, the utility model is a kind of rock screw breaking-resisting coal bunker, comprise the inlet guiding device, feeder, it is characterized in that: last, following tunnel 1, offer vertical cylindrical warehouse 3 on the rock 10 between 2, the upper end circular hole 301 of this warehouse 3 be provided with bring oral pore into seal double-edged fine-toothed comb 7, these warehouse 3 lower ends are provided with convergent taper hole 302, this taper hole outlet at bottom is equipped with feeder 9, this feeder is dug the plug helix 4 that oriented wall is recessed on the cylindrical rock inwall of this warehouse 3, this plug helix top is communicated with the inlet that seals double-edged fine-toothed comb 7 701 that is loaded on the circular hole 301, the inlet of feeder 9 is led in this spiral fluted bottom, and entrance guiding device 5 is housed in brattice way.
Entrance guiding device 5 in the described brattice way 1 is travelling apron 501 and water conservancy diversion funnel 502 (seeing Fig. 4, Fig. 5), the inlet 705 of this water conservancy diversion funnel 502 through sealing double-edged fine-toothed comb 7 aligns the upper entrance of rock screw groove 4, in tunnel, described bottom 2, travelling apron 6 is housed, this conveyer be positioned at warehouse 3 bottoms feeder 9 under.
Described entrance guiding device 5 also can be kick-up, drop-bottom car, the configuration conical hopper.
Described plug helix 3 planar developments are sinusoidal shape.
Please refer to Fig. 3, described plug helix bottom surface and side are equipped with wear-resisting lining 8.
During enforcement, the material of the wear-resisting lining 8 on described plug helix surface is any in iron filings concrete, diabase casting face, steel plate, the high-strength abrasion-proof flame retardant plastics.
Constructional feature of the present utility model:
Rock screw breaking-resisting coal bunker of the present utility model comprises the inlet guiding device, the warehouse plug helix.
Entrance guiding device 5 is by top conveyer 501, and water conservancy diversion funnel 502 is formed, and is carved with plug helix 4 on the wall of plug helix warehouse 3.
The end of warehouse 3 has taper hole 302.By top conveyer 501 coal is sent into water conservancy diversion funnel 502, coal slides at the bottom of the storehouse along plug helix 4, is deposited in the storehouse gradually.
The spiral fluted width is decided on coal bunker transportation device suitable for reading, when with kick-up or drop-bottom car, lead because of coal stream, the desirable 0.8-1.0 rice of groove width by conical hopper; When utilizing slat conveyer, the desirable 0.6-1.0 rice of groove width; When adopting travelling apron, groove width can be identical with adhesive tape.
Spiral angle determine to depend on ature of coal, having under the situation of lining, be generally 35 °-45 °, on plug helix, coal can be slided, unlikely again impact is excessive and cause fragmentation.The spiral kerve also need tilt towards the coal bunker center, and leaning angle sighting distance Hatch Opening position and deciding is generally 10-30 °.
The spiral fluted height is away from the general desirable 0.5-1.0 rice of bulkhead one side, at the general desirable 1.0-1.5 rice of bulkhead one side.
The expansion of spiral chute curve becomes the sine curve shape, and a sets of curves of spiral chute is drawn, and just constitutes plug helix at the stereo profile line.
The utility model constructional feature:
The utility model designs helix line exactly, press the chute parameter is dug chute on the rock of coal bunker bulkhead a kind of coal bunker, chute bottom surface and side paving lining, be high-abrasive material (iron filings concrete, glass-ceramic diabase, steel plate, high-strength anti-flaming plastics), it have chute when not put coal dynamic pressure influence, the characteristics that cost is low
The anti-crushing principle:
The utility model is analyzed from speed, according to the screw motion theory, and considers that chute crosses the coal amount, and the uniform movement of coal in spiral chute can be controlled in below the 6m/s.As not adding chute, coal is pressed free-falling body from Hatch Opening, and its speed far exceeds several times.So use the rock mass plug helix, can reduce the kinematic velocity of coal greatly, reduce the momentum change of coal when the contact dump, reduce the lump coal loss.
In addition, the coal that free-falling body falls contact during dump and the crash angle of dump be about 45 °, when using the rock mass plug helix, the crash angle that is slipped to bottom and dump along chute is about 15 °, so can prevent lump coal breaking effectively from velocity variations and two aspects of crash angle.
Coal bunker is when hole capital after selling all securities, and coal at the bottom of the storehouse, flows into bottom conveyer through feeder from the water conservancy diversion funnel along plug helix, and when the warehouse coal storage, coal is full along being accumulated to the storehouse gradually after plug helix arrives at the bottom of the storehouse as need.
Claims (6)
1. rock screw breaking-resisting coal bunker, comprise the inlet guiding device, feeder, it is characterized in that: last, following tunnel (1), (2) offer vertical cylindrical warehouse (3) on the rock between (10), the upper end circular hole (301) of this warehouse (3) be provided with bring oral pore into seal double-edged fine-toothed comb (7), this warehouse (3) lower end is provided with convergent taper hole (302), this taper hole outlet at bottom is equipped with feeder (9), this feeder is dug the plug helix (4) that oriented wall is recessed on the cylindrical rock inwall of this warehouse (3), this plug helix top is communicated with the inlet that seals double-edged fine-toothed comb (7) (701) that is loaded on the circular hole (301), the inlet of feeder (9) is led in this spiral fluted bottom, and entrance guiding device (5) is housed in brattice way.
2. rock screw breaking-resisting coal bunker as claimed in claim 1, it is characterized in that: the entrance guiding device (5) in the described brattice way (1) is travelling apron (501) and water conservancy diversion funnel (502), the inlet (705) of this water conservancy diversion funnel (502) through sealing double-edged fine-toothed comb (7) aligns the upper entrance of rock screw groove (4), travelling apron (6) is housed in tunnel, described bottom (2), this conveyer be positioned at warehouse (3) bottom feeder (9) under.
3. rock screw breaking-resisting coal bunker as claimed in claim 1 is characterized in that: described entrance guiding device (5) also can be kick-up, drop-bottom car, the configuration conical hopper.
4. rock screw breaking-resisting coal bunker as claimed in claim 1 is characterized in that: described plug helix (3) planar development is sinusoidal shape.
5. rock screw breaking-resisting coal bunker as claimed in claim 1 is characterized in that: described plug helix bottom surface and side are equipped with wear-resisting lining (8).
6. rock screw breaking-resisting coal bunker as claimed in claim 5 is characterized in that: the material of the wear-resisting lining (8) on described plug helix surface is any in iron filings concrete, diabase casting face, steel plate, the high-strength abrasion-proof flame retardant plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02237752 CN2552883Y (en) | 2002-07-04 | 2002-07-04 | Rock screw breakage-proof coal bunker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02237752 CN2552883Y (en) | 2002-07-04 | 2002-07-04 | Rock screw breakage-proof coal bunker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2552883Y true CN2552883Y (en) | 2003-05-28 |
Family
ID=33711627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02237752 Expired - Lifetime CN2552883Y (en) | 2002-07-04 | 2002-07-04 | Rock screw breakage-proof coal bunker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2552883Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100450893C (en) * | 2006-10-08 | 2009-01-14 | 朱耀平 | Buffering material-distribution device of cartridge |
| CN104071588A (en) * | 2014-06-26 | 2014-10-01 | 永城煤电控股集团有限公司 | Lump coal bunker automatic unloading method |
| CN104897439A (en) * | 2014-03-07 | 2015-09-09 | 中华人民共和国四川出入境检验检疫局 | Chemical detection liquid extraction tube used for extraction of granular sample |
| CN107950771A (en) * | 2018-01-15 | 2018-04-24 | 甘肃润牧生物工程有限责任公司 | A kind of high microsteping mixed feed mixing and granulating system |
| CN108569570A (en) * | 2018-06-12 | 2018-09-25 | 华电曹妃甸重工装备有限公司 | A kind of bucket-wheel stacker reclaimer curve material blanking tube |
| CN108820918A (en) * | 2018-06-15 | 2018-11-16 | 濉溪博赢橡塑制品有限公司 | A kind of wall-mounted polyurethane compound spiral chute of upright cylinder coal bunker |
| CN109516239A (en) * | 2018-09-29 | 2019-03-26 | 浙江省嘉善县第中学 | One kind being used for skyscraper rubble recyclable device |
-
2002
- 2002-07-04 CN CN 02237752 patent/CN2552883Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100450893C (en) * | 2006-10-08 | 2009-01-14 | 朱耀平 | Buffering material-distribution device of cartridge |
| CN104897439A (en) * | 2014-03-07 | 2015-09-09 | 中华人民共和国四川出入境检验检疫局 | Chemical detection liquid extraction tube used for extraction of granular sample |
| CN104071588A (en) * | 2014-06-26 | 2014-10-01 | 永城煤电控股集团有限公司 | Lump coal bunker automatic unloading method |
| CN107950771A (en) * | 2018-01-15 | 2018-04-24 | 甘肃润牧生物工程有限责任公司 | A kind of high microsteping mixed feed mixing and granulating system |
| CN108569570A (en) * | 2018-06-12 | 2018-09-25 | 华电曹妃甸重工装备有限公司 | A kind of bucket-wheel stacker reclaimer curve material blanking tube |
| CN108820918A (en) * | 2018-06-15 | 2018-11-16 | 濉溪博赢橡塑制品有限公司 | A kind of wall-mounted polyurethane compound spiral chute of upright cylinder coal bunker |
| CN109516239A (en) * | 2018-09-29 | 2019-03-26 | 浙江省嘉善县第中学 | One kind being used for skyscraper rubble recyclable device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20051228 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |