CN204611815U - Coal slime mixes burning anti-block apparatus - Google Patents
Coal slime mixes burning anti-block apparatus Download PDFInfo
- Publication number
- CN204611815U CN204611815U CN201520061856.XU CN201520061856U CN204611815U CN 204611815 U CN204611815 U CN 204611815U CN 201520061856 U CN201520061856 U CN 201520061856U CN 204611815 U CN204611815 U CN 204611815U
- Authority
- CN
- China
- Prior art keywords
- coal
- material blanking
- blanking tube
- coal slime
- connects
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003245 coal Substances 0.000 title claims abstract description 106
- 239000000463 material Substances 0.000 claims abstract description 38
- 230000006837 decompression Effects 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 11
- 238000002156 mixing Methods 0.000 abstract description 7
- 238000010304 firing Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 13
- 239000000203 mixture Substances 0.000 description 11
- 230000008901 benefit Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Abstract
The utility model relates to a kind of coal slime and mixes burning anti-block apparatus, feature is: comprise coal bunker and water cannon blockage-clearing device, the bottom of coal bunker connects bearing chassis, discharging opening is provided with in the middle of bearing chassis, discharge outlet is provided with material blanking tube, material blanking tube connects feeder or scrapper conveyor, and the discharging opening of feeder or scrapper conveyor connects inclination material blanking tube; Install decompression cone in described coal bunker inside, decompression cone is erected at the inside center of coal bunker, and decompression cone is hollow structure, and upward, install unloading arm between the bottom of decompression cone and bearing chassis, unloading arm is connected with the power output shaft of drive unit the vertex of a cone of decompression cone; At described material blanking tube disposed outside pneumatic hammer.The utility model is smooth and easy after can realizing raw coal and coal slime Homogeneous phase mixing, be quantitatively in order transported to feeder, and mixing burning for coal slime provides basic condition, completes the committed step that coal slime mixes firing technique.
Description
Technical field
The utility model relates to a kind of coal slime and mixes burning anti-block apparatus, belongs to Thermal Power Enterprises coal handling system equipment technical field.
Background technology
Coal in China output leaps to the first in the world, and the depth & wideth of Coal dressing is all in fast development, and the output of coal slime obviously rises, and the comprehensive utilization of coal slime has become problem in the urgent need to address.Due to a kind of emission that coal slime is in coal washing process, wherein contained particle very thin (usually all at below 0.5mm), overall proterties is high-moisture (water content is between 25% ~ 40%), high viscosity, high retentiveness, high ash content, simultaneously because coal slime is as discarded object in coal washery, colliery, foreign material in coal slime are more, comprise stone, metalwork.Just because of there is many unfavorable conditions, coal slime is difficult to realize large-scale commercial Application, is kept outside of the door in very long-term by power consumer, sells for main outlet with civilian.Along with the continuous innovation of technology improves, domestic all conglomeraties, comprise power industry all in the maximum gain attempting and explore coal slime utilization, therefore, the coal slime of boiler mixes an important topic of having burnt till designing institute and power plant's research of technique.Current domestic a lot of electricity power enterprise all have employed various scheme and attempts, there is failure, have technology jejune, certainly also to have different proportion mix and burn successfully, as long as it should be noted that carrying out coal slime mixes burning, more or less all achieves certain economic benefit.So the coal slime of saying that can affirm mixes that to burn be have very high economic worth in the application of Thermal Power Generation Industry, and add and turn waste into wealth, be beneficial to the advantages such as environmental protection, this technique has very far reaching significance.
Current coal slime mixes burning two kinds of typical techniques, one is that coal slime adopts independent pipeline, that directly enters boiler mixes firing method, but require very high to the impurity of coal slime, strict to the moisture control of coal slime, and the complexity etc. of conveyance conduit equipment, cause the operation expense of the huge and great number of cost of investment, although mix burning rate can reach about 50% at present, its comprehensive economic benefit is general, and system run all right is not good.Another kind mixes in raw coal by coal slime; boiler is entered by normal coal supply channel; but this scheme is subject to the puzzlement of sticky bridging; the burning of mixing of small scale just causes serious coal breakage not smooth; dredging cost is high, and even by forced-stopping machine, economic loss is serious; although therefore this technique uses the earliest, come to a halt.Along with the development of constantly bringing forth new ideas of coal supply technology and auxiliary equipment, there is much equipment targetedly in market, can solve the problems such as stifled, sticky, knot, the technical characterstic of these equipment comprehensive, allow coal slime mix burning and again shifted the forward position of technology onto, as long as can solve the problem of feed blocking smoothly, coal slime mixes burning will with minimum cost, stable operating mode is taken the course of its own in industry, so raw coal directly mix burn coal slime technique will the progress of making a breakthrough property.
Summary of the invention
The purpose of this utility model overcomes the deficiencies in the prior art, a kind of coal slime is provided to mix burning anti-block apparatus, smooth and easy after can realizing raw coal and coal slime Homogeneous phase mixing, be quantitatively in order transported to feeder, mixing burning for coal slime provides basic condition, completes the committed step that coal slime mixes firing technique.
According to the technical scheme that the utility model provides, a kind of coal slime mixes burning anti-block apparatus, feature is: comprise coal bunker and water cannon blockage-clearing device, the bottom of coal bunker connects bearing chassis, discharging opening is provided with in the middle of bearing chassis, discharge outlet is provided with material blanking tube, and material blanking tube connects feeder or scrapper conveyor, and the discharging opening of feeder or scrapper conveyor connects inclination material blanking tube; Install decompression cone in described coal bunker inside, decompression cone is erected at the inside center of coal bunker, and decompression cone is hollow structure, and upward, install unloading arm between the bottom of decompression cone and bearing chassis, unloading arm is connected with the power output shaft of drive unit the vertex of a cone of decompression cone; Described water cannon blockage-clearing device comprises water-storing device, water-storing device delivery port arranges filter, the delivery port of water-storing device connects one end of high-pressure pump by pipeline, the other end of high-pressure pump connects anti-blocking sprayer by pressure duct, and anti-blocking sprayer is arranged on the perisporium of coal bunker and the tube wall of inclination material blanking tube; At described material blanking tube disposed outside pneumatic hammer.
Further, described pneumatic hammer comprises mounting bracket, and mounting bracket installs cylinder, and the piston rod of cylinder connects tup.
Further, the region described material blanking tube contacted with tup arranges protective device.
Further, described material blanking tube presents little lower macrostructure.
Further, bottom described coal bunker be semicircle or arc.
The utility model has the following advantages: (1) utilizes effectively anti-blocking, the anti-stifled measures such as power coal supply, guarantees that coal handling system is without blocking, and mixing burning for coal slime provides basis; (2) utilize and do not destroy original coal delivering member system, carry out the conveying of high viscosity ature of coal, the cost making coal slime mix burning drops to minimum; (3) coal slime can carry out pretreatment, to meet the use of various boiler and auxiliary device, and wider scope mix burning, use wider general; (4) realize coal slime and mix burning, the call of response national energy-saving environmental protection, enjoys the preferential policies such as state tax revenue, turns waste into wealth, a joint wound effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of water cannon blockage-clearing device.
Fig. 3 is the structural representation of block clearing pneumatic hammer.
Detailed description of the invention
Below in conjunction with concrete accompanying drawing, the utility model is described in further detail.
As shown in FIG. 1 to 3: described coal slime is mixed burning anti-block apparatus and comprised coal bunker 1, decompression cone 2, drive unit 3, unloading arm 4, bearing chassis 5, material blanking tube 6, water cannon blockage-clearing device 7, water-storing device 7-1, filter 7-2, high-pressure pump 7-3, anti-blocking sprayer 7-4, pressure duct 7-5, pneumatic hammer 8, cylinder 8-1, tup 8-2, mounting bracket 8-3, protective device 8-4 etc.
As shown in Figure 1, the utility model comprises coal bunker 1, and the bottom of coal bunker 1 connects bearing chassis 5, and be provided with discharging opening in the middle part of bearing chassis 5, discharge outlet is provided with material blanking tube 6; Install decompression cone 2 in described coal bunker 1 inside, decompression cone 2 is erected at the inside center of coal bunker 1, and decompression cone 2 is hollow structure, and upward, drive unit 3 is installed in the bottom of decompression cone 2 to the vertex of a cone of decompression cone 2, the power output shaft of drive unit 3 is installed unloading arm 4; Described unloading arm 4 is driven by drive unit 3 and turns round, and forces center coal being scraped equably bearing chassis 5, discharge coal bunker 1 by blanking port when unloading arm 4 turns round; Described coal bunker 1 is connected with other equipment (as feeder, scrapper conveyor or belt feeder) by material blanking tube 6, and the discharging opening of feeder or scrapper conveyor connects inclination material blanking tube 9;
As shown in Figure 1, described material blanking tube 6 presents little lower macrostructure, without blocking sequelae; For preventing the coal bunker 1 inner pressure relief position of boring above in the of 2 from occurring the blocking of knot arch, water cannon blockage-clearing device 7 being installed, utilizing the long-range impact energy of water under high pressure to remove blocking; As shown in Figure 2, described water cannon blockage-clearing device 7 comprises water-storing device 7-1, water-storing device 7-1 delivery port arranges filter 7-2, the delivery port of water-storing device 7-1 connects one end of high-pressure pump 7-3 by pipeline, the other end of high-pressure pump 7-3 connects anti-blocking sprayer 7-4 by pressure duct 7-5, and anti-blocking sprayer 7-4 is arranged in the perisporium of coal bunker 1 and inclination material blanking tube 9; It is for subsequent use that water source enters water-storing device 7-1 after initial filter, after starting water-storing device 7-1, high-pressure pump 7-3 from water-storing device 7-1 after filtration device 7-2 absorb water, each anti-blocking sprayer 7-4 is sent to by pressure duct 7-5 after supercharging, the spout of anti-blocking sprayer 7-4 aims at knot arch material, and water jets under high pressure direct effect removes blocking; In addition, in the material blanking tube that coal supply goes out etc., anti-blocking sprayer can be arranged equally, prevent the blockage problem in this region;
For preventing sticky coal from sticky wall or extruding blocking occurring in material blanking tube 6, at material blanking tube 6 outer layout pneumatic hammer 8, utilizing compressed air to promote tup and hammering action is done to material blanking tube 6 tube wall, easily removing blocking; As shown in Figure 3, described pneumatic hammer 8 comprises mounting bracket 8-3, and mounting bracket 8-3 installs cylinder 8-1, and the piston rod of cylinder 8-1 connects tup 8-2; The region that described material blanking tube 6 contacts with tup 8-2 arranges protective device 8-4, and the stress point of material blanking tube 6 can be protected to be out of shape; Described pneumatic hammer 8 one to by a pair or two to using simultaneously, when receiving jam signal, pneumatic hammer 8 starts, and compressed air enters cylinder 8-1, and cylinder 8-1 promotes at a high speed the protective device 8-4 that tup 8-2 clashes into material blanking tube 6 outer wall, and in vibration blanking pipe 6, material falls;
Be semicircle bottom described coal bunker 1 or arc, avoid with extruding angle; Coal bunker 1 is if any closing in, and its inclination angle is not more than 20 °.Described bearing chassis 5, for strengthening structure, can bear the weight of whole storehouse coal; Coal bunker 1 inner surface that is inner and bearing chassis 5 does stainless steel and pastes or abrasionproof process, and fineness Ra is not more than 3.2.
The course of work of the present utility model and operation principle are: coal slime carries out suitable pre-treatment as required, as removal of impurities, oven dry etc. (meet moisture content not higher than 20% requirement), then evenly deliver to conveyer belt and enter coal bunker 1 together with raw coal, in dropping process, coal slime and raw coal mix further, Mixture Density Networks drops in bearing chassis 5 after decompression cone 2, drive unit 3 drives unloading arm 4 to turn round action at a slow speed, force scraping underseam to center discharging opening, discharging opening adopts up-small and down-big material blanking tube 6 to be connected with other equipment, finally delivers to boiler.For preventing the position of top in coal bunker 1 from occurring the blocking of knot arch, arranging anti-blocking sprayer 7-4 at coal bunker 1 perisporium, utilizing the long-range impact energy of water under high pressure to remove blocking; For preventing sticky coal from sticky wall or extruding blocking occurring in material blanking tube 6, arranging pneumatic hammer 8 material blanking tube 6 is outer, utilizing compressed air to promote to hang one's head and make hammering action to tube wall, easily removing blocking.Feeder or belt feeder outlet material blanking tube outer wall also can arrange anti-blocking sprayer 7-4, block clearing while increasing lubricity by few press water.Apparatus control system directly receives Power Plant DCS, and automaticity is high, and application converter technique controls discharging speed, and by the automatic start-stop of each block clearing equipment of PLC logic control, guarantees the coal slime of high viscosity and raw coal mixture is smooth and easy is transported to boiler.
The utility model system is simple and clear, reasonable, stable, equipment effectively utilizes former defeated coal delivery system, occupy little space, equipment is simple, invest minimum, not only meet the optimal transport scheme of run coal bin first in first out, quantitatively conveying, meet the requirement of high viscosity ature of coal conveying simultaneously, the requirement that coal slime mixes burning and each ature of coal blending transportation can be realized easily.The utility model is to solve caking coal blocking induction system for starting point, use the anti-blocking anti-plug equipment of current advanced person cleverly, reach the requirement of the various ature of coal of smooth delivery of power, mix burning for power industry large-scale promotion coal slime to lay the foundation, not only in resource, environmental protection, in each side such as economy, benefit etc., there is very far-reaching influence especially.
Claims (5)
1. a coal slime mixes burning anti-block apparatus, it is characterized in that: comprise coal bunker (1) and water cannon blockage-clearing device (7), the bottom of coal bunker (1) connects bearing chassis (5), discharging opening is provided with in the middle of bearing chassis (5), discharge outlet is provided with material blanking tube (6), material blanking tube (6) connects feeder or scrapper conveyor, and the discharging opening of feeder or scrapper conveyor connects inclination material blanking tube (9); In described coal bunker (1) inside, decompression cone (2) is installed, decompression cone (2) is erected at the inside center of coal bunker (1), decompression cone (2) is hollow structure, the vertex of a cone of decompression cone (2) upward, install unloading arm (4) between the bottom of decompression cone (2) and bearing chassis (5), unloading arm (4) is connected with the power output shaft of drive unit (3); Described water cannon blockage-clearing device (7) comprises water-storing device (7-1), water-storing device (7-1) delivery port arranges filter (7-2), the delivery port of water-storing device (7-1) connects one end of high-pressure pump (7-3) by pipeline, the other end of high-pressure pump (7-3) connects anti-blocking sprayer (7-4) by pressure duct (7-5), and anti-blocking sprayer (7-4) is arranged on the perisporium of coal bunker (1) and the tube wall of inclination material blanking tube (9); At described material blanking tube (6) disposed outside pneumatic hammer (8).
2. coal slime as claimed in claim 1 mixes burning anti-block apparatus, it is characterized in that: described pneumatic hammer (8) comprises mounting bracket (8-3), mounting bracket (8-3) is installed cylinder (8-1), and the piston rod of cylinder (8-1) connects tup (8-2).
3. coal slime as claimed in claim 2 mixes burning anti-block apparatus, it is characterized in that: arrange protective device (8-4) in the upper region contacted with tup (8-2) of described material blanking tube (6).
4. coal slime as claimed in claim 1 mixes burning anti-block apparatus, it is characterized in that: described material blanking tube (6) presents little lower macrostructure.
5. coal slime as claimed in claim 1 mixes burning anti-block apparatus, it is characterized in that: described coal bunker (1) bottom is semicircle or arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520061856.XU CN204611815U (en) | 2015-01-28 | 2015-01-28 | Coal slime mixes burning anti-block apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520061856.XU CN204611815U (en) | 2015-01-28 | 2015-01-28 | Coal slime mixes burning anti-block apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204611815U true CN204611815U (en) | 2015-09-02 |
Family
ID=53964373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520061856.XU Expired - Fee Related CN204611815U (en) | 2015-01-28 | 2015-01-28 | Coal slime mixes burning anti-block apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204611815U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654342A (en) * | 2015-01-28 | 2015-05-27 | 江苏西铭节能环保科技有限公司 | Coal blending combustion anti-blocking device and coal blending combustion method |
| CN105823038A (en) * | 2016-05-12 | 2016-08-03 | 内蒙古京泰发电有限责任公司 | Coal conveying system used for circulating fluidized bed boiler and large-ratio coal slurry mixed burning |
-
2015
- 2015-01-28 CN CN201520061856.XU patent/CN204611815U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654342A (en) * | 2015-01-28 | 2015-05-27 | 江苏西铭节能环保科技有限公司 | Coal blending combustion anti-blocking device and coal blending combustion method |
| CN105823038A (en) * | 2016-05-12 | 2016-08-03 | 内蒙古京泰发电有限责任公司 | Coal conveying system used for circulating fluidized bed boiler and large-ratio coal slurry mixed burning |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102798276B (en) | Combustion device for coal slime dust back combustion device | |
| CN204611815U (en) | Coal slime mixes burning anti-block apparatus | |
| CN204285498U (en) | A kind of dry method coal slurry industry | |
| CN104654342A (en) | Coal blending combustion anti-blocking device and coal blending combustion method | |
| CN202045069U (en) | Cleaning device for building | |
| CN204051762U (en) | The simple and easy broken mixing device of a kind of delivering dry coal slurry | |
| CN204448242U (en) | A kind of feed system of micronizer | |
| CN202770120U (en) | Coal slime powder burn-back furnace combustion apparatus | |
| CN202090946U (en) | Orepass with ore drawing hopper | |
| CN204675149U (en) | A kind of dust conveying system blockage-eliminating device | |
| CN102175032A (en) | Technological process for delivering dry coal slurry in electric plant | |
| CN201901421U (en) | Semidry sludge conveying device | |
| CN203497464U (en) | Arch-destroying type spiral material conveyer | |
| CN204355669U (en) | Automatic charging device | |
| CN204329539U (en) | A kind of hot-air drying unit | |
| CN203357272U (en) | Spiral sand transporting machine | |
| CN203112135U (en) | Coal slime conveying pipeline | |
| CN209445380U (en) | Burning processing system and power station for house refuse | |
| CN204665342U (en) | A kind of novel automatic firing equipment | |
| CN206488305U (en) | A kind of continuous controllable novel pulverized coal spraying machine of injecting coal quantity | |
| CN207646037U (en) | A kind of waste automatic fermentation device | |
| CN201852087U (en) | Boiler ash re-combustion device | |
| CN201561442U (en) | Continuous automatic coal feeding device for dry mortar mixing station | |
| CN205974572U (en) | Thick grey collection device of converter dry process dust removal | |
| CN201723240U (en) | Loess and fly ash pulping system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |