CN103664013A - Coal ash feeding device - Google Patents

Coal ash feeding device Download PDF

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Publication number
CN103664013A
CN103664013A CN201310583843.4A CN201310583843A CN103664013A CN 103664013 A CN103664013 A CN 103664013A CN 201310583843 A CN201310583843 A CN 201310583843A CN 103664013 A CN103664013 A CN 103664013A
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pipeline section
steel plate
inclination
clad steel
vertical
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CN103664013B (en
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张路明
张廷龙
黄敏
高�勋
孟永红
江军
孙冬梅
屈冬婷
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CITIC Heavy Industries Co Ltd
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CITIC Heavy Industries Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/10Production of cement, e.g. improving or optimising the production methods; Cement grinding

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Abstract

The invention discloses a coal ash feeding device. An abrasion-resistant mechanism is arranged on the inner rim surface of a feeding pipeline; a gas flow guide mechanism is arranged in a clearance between the outer surface of the abrasion-resistant mechanism and the inner surface of the feeding pipeline; an blockage clearing pipeline penetrating to the feeding pipeline is arranged on the outer surface of the feeding pipeline at a connection position of the gas flow guide mechanism and the feeding pipeline; therefore, the phenomenon of abrasion of the substances such as SiO2, FeO, Fe2O3 and TiO2 which are abrasive in coal ash to the feeding device can be avoided, and the operating efficiency of equipment is greatly improved. The coal ash feeding device has the characteristics of compact structure, small appearance volume, convenience for manufacturing and mounting and the like and has an extremely great significance for construction of a new grinding production line and modification of an old grinding production line.

Description

A kind of feeding device of flyash
[technical field]
The present invention relates to a kind of feeding device of flyash, be specifically related to a kind of feeding device of the flyash for Vertical Mill.
[background technology]
Known, flyash is in the flue gas from coal combustion, to receive the thin ash of catching, the main solid waste that coal-burning power plant discharges, along with China's coal-burning power plant's power generation capacity is with 7.3% annual growth sustainable growth, and then the sharply increase that has brought flyash quantity discharged, wherein the quantity discharged of flyash in 2010 is about 300,000,000 tons, expects 2015 and will reach more than 600,000,000 ton.So the comprehensive utilization to flyash, and flyash is turned waste into wealth and become an important techno-economic policy in China's economic construction.At present, flyash mixes cement clinker as blended material and is in the industry cycle used widely, the base mateiral that simultaneously flyash also can be used as aluminium industry is applied etc., and above-mentioned application all must be arrived certain fineness by its grinding with Vertical Mill, dry powder coal ash reaches required fineness according to the different existing partial material of rank, but the past is all that dry, wet fly-ash are entered to grind by same passage with cement clinker or Wingdale, cause grinding and grinding efficiency low, be therefore necessary that research adopts the flyash feeder of which kind of type could produce best grinding and grading effect.
Existing flyash feeder, first, flyash and other material share 1 and enter to grind passage, and be arranged in powder separating machine lower case place or water body Vertical Mill cylindrical shell place, although do like this drying effect that part has improved material, but cause fly ash grain group also not have enough time to reach corresponding particle terminal velocity, just fall on mill, cause the mill efficiency of grinding machine to reduce; In addition, the existence of a large amount of flyash, has increased the dust content of air-flow and the circulating load of flyash in mill, causes the fractional efficiency of powder separating machine to reduce; And the increase of dust content directly has influence on the increase of the drag losses of cement vertical mill body, indirectly cause the increase of system fan power consumption, be unfavorable for the energy-saving and cost-reducing of process system product; Secondly, the normally common material of existing flyash feeder, causes the pipeline will be worn out about half a year, for this problem, user's modification measures is to increase wear-resistant sleeve porcelain coating at pipe interior, the life-span of pipeline is brought up to more than 2 years, but effect is still not ideal; The 3rd, when adding wet flyash in flyash feeder, often there is putty phenomenon, had a strong impact on the ingredient stability of cement and the operation factor of flyash feeder.Unreasonable factors in all above-mentioned these designs, all make the running that flyash feeder can not be long-time, efficient and stable, and then cause grinding and select the Efficiency Decreasing of powder.
[summary of the invention]
In order to overcome the deficiency of above-mentioned technology, the invention provides a kind of feeding device of flyash, the present invention by arranging abrasion-proof structure in feed pipe, and the gentle flow guide structure of block clearing pipeline is set on the outer edge surface of feed pipe, effectively guarantee that material can flow into smoothly and flow out in feed pipe, the present invention is by the setting of abrasion-proof structure, guaranteed to have in flyash the SiO2 of abrasiveness, FeO, the material such as Fe2O3 and TiO2 can not cause wearing and tearing to feeding device, greatly improved the operation factor of equipment etc., the present invention has simple in structure, the feature such as easy to operate.
For realizing goal of the invention as above, the present invention adopts technical scheme as described below:
A kind of feeding device of flyash, comprise feed pipe, block clearing pipeline, the gentle stream guiding mechanism of wear-resisting mechanism, on the inner edge surface of described feed pipe, be provided with wear-resisting mechanism, in gap between the outside surface of described wear-resisting mechanism and the internal surface of feed pipe, be provided with air-flow guiding mechanism, on the outside surface of described air-flow guiding mechanism and feed pipe link position place feed pipe, be provided with and connect the feeding device that forms described flyash to the block clearing pipeline of feed pipe.
The feeding device of described flyash, described feed pipe comprises feed opening flange, vertical pipeline section and inclination pipeline section, wherein the tilt lower end of pipeline section is arranged on the opening for feed on the outer edge surface that powder separating machine central enclosure deviates from cement feeding mouth one side, in the upper end of described inclination pipeline section, be provided with vertical pipeline section, in the upper end of described vertical pipeline section, be provided with feed opening flange.
The feeding device of described flyash, described air-flow guiding mechanism comprises vertical pipeline section gas-flow deflector, pipeline section junction gas-flow deflector and inclination pipeline section gas-flow deflector, the top board of described vertical pipeline section gas-flow deflector is fixed on the inner edge surface of vertical pipeline section, the vertical wedge gap formation gas channel between the inner edge surface of three side plates of pipeline section gas-flow deflector and vertical pipeline section, the top board of described pipeline section junction gas-flow deflector is fixed on the inner edge surface of vertical pipeline section, wedge gap between three side plates of pipeline section junction gas-flow deflector and vertically pipeline section and the inner edge surface of the corresponding junction of inclination pipeline section forms another gas channel, the top board of described inclination pipeline section gas-flow deflector is fixed on the inner edge surface of inclination pipeline section, three side plates of inclination pipeline section gas-flow deflector and the wedge gap between the inner edge surface of inclination pipeline section form another gas channel.
The feeding device of described flyash, described wear-resisting mechanism comprises the isometrical clad steel plate of vertical pipeline section, on the isometrical clad steel plate of inclination pipeline section, vertically on pipeline section reducing clad steel plate, vertically under pipeline section reducing clad steel plate, under inclination pipeline section reducing clad steel plate and the isometrical clad steel plate of inclination pipeline section, wherein vertically the isometrical clad steel plate of pipeline section is fixed on the inner edge surface that deviates from air-flow guiding mechanism one side of vertical pipeline section, the circumferential direction of the isometrical clad steel plate of described vertical pipeline section is provided with subdivision structure, at described subdivision structural engagement place, be provided with on vertical pipeline section reducing clad steel plate and under vertical pipeline section reducing clad steel plate, upper end on described vertical pipeline section reducing clad steel plate is fixed on the upper end of the inner edge surface near a side of vertical pipeline section, vertically the lower end on pipeline section reducing clad steel plate is fixed on the side plate of vertical pipeline section gas-flow deflector, below on vertical pipeline section reducing clad steel plate, be provided with under vertical pipeline section reducing clad steel plate, upper end under described vertical pipeline section reducing clad steel plate is fixed on the inner edge surface of the vertical pipeline section under vertical pipeline section gas-flow deflector, vertically the lower end under pipeline section reducing clad steel plate is fixed on the side plate of pipeline section junction gas-flow deflector, on the isometrical clad steel plate of described inclination pipeline section, be fixed on the upper end that deviates from air-flow guiding mechanism inner edge surface of inclination pipeline section and be connected with the isometrical clad steel plate of vertical pipeline section, circumferential direction on the isometrical clad steel plate of inclination pipeline section is provided with subdivision structure, at described subdivision structural engagement place, be provided with under inclination pipeline section reducing clad steel plate and the isometrical clad steel plate of inclination pipeline section, the upper end of described inclination pipeline section reducing clad steel plate is fixed on the inner edge surface of the inclination pipeline section below the gas-flow deflector of pipeline section junction, the lower end of inclination pipeline section reducing clad steel plate is fixed on the side plate of inclination pipeline section gas-flow deflector, under the isometrical clad steel plate of described inclination pipeline section, be fixed on the inner edge surface of inclination pipeline section of inclination pipeline section gas-flow deflector below.
The feeding device of described flyash, described block clearing pipeline comprises vertical pipeline section block clearing pipeline, pipeline section junction block clearing pipeline and inclination pipeline section block clearing pipeline, described vertical pipeline section block clearing install pipeline the vertical pipeline section gas-flow deflector of correspondence and vertical pipeline section binding site outer edge surface on, described pipeline section junction block clearing install pipeline is at corresponding pipeline section junction gas-flow deflector, vertically on the outer edge surface at pipeline section and inclination pipeline section binding site place, described inclination pipeline section block clearing install pipeline corresponding tilt pipeline section gas-flow deflector and inclination pipeline section binding site place outer edge surface on.
The feeding device of described flyash, the outer edge surface of described powder separating machine central enclosure is provided with at least one opening for feed.
The feeding device of described flyash, is provided with vertical pipeline section retaining plate between described powder separating machine central enclosure and vertical pipeline section.
The feeding device of described flyash, described powder separating machine central enclosure is arranged on the top of powder separating machine lower case, on the top of powder separating machine central enclosure, be provided with air-out meal outlet, the bottom of described powder separating machine lower case is provided with Vertical Mill cylindrical shell, the bottom of described Vertical Mill cylindrical shell is provided with blast inlet, in a side of powder separating machine lower case, is provided with cement feeding mouth.
Adopt technical scheme as above, the present invention has superiority as described below:
The feeding device of a kind of flyash of the present invention, the present invention by arranging abrasion-proof structure in feed pipe, and the gentle flow guide structure of block clearing pipeline is set on the outer edge surface of feed pipe, effectively guarantee that material can flow into smoothly and flow out in feed pipe, the present invention is by the setting of abrasion-proof structure, guaranteed to have in flyash the SiO2 of abrasiveness, FeO, the material such as Fe2O3 and TiO2 can not cause wearing and tearing to feeding device, greatly improved the operation factor of equipment etc., the present invention is simultaneously by the setting of the gentle flow guide structure of block clearing pipeline, make the present invention can generally be applicable to dry powder coal ash and wet fly-ash, the knot arch and the bridge phenomenon that have guaranteed flyash can be got rid of in time, guarantee the operation that equipment can be stable, the vibrations of feeding device have been alleviated, the present invention has compact construction, overall volume is little, manufacture the features such as easy for installation, particularly the transformation for the construction of new milling production line and old milling production line all has very large advantage.
[accompanying drawing explanation]
Fig. 1 is the structural representation of flyash feeder of the present invention;
Fig. 2 is the application schematic diagram of flyash feeder of the present invention in Vertical Mill;
Fig. 3 is that the B of Fig. 2 of the present invention is to view;
In the drawings: 1, feed opening flange; 2, vertical pipeline section; 3, the vertical isometrical clad steel plate of pipeline section; 4, inclination pipeline section; 5, on the isometrical clad steel plate of inclination pipeline section; 6, on vertical pipeline section reducing clad steel plate; 7, vertical pipeline section gas-flow deflector; 8, vertical pipeline section block clearing pipeline; 9, under vertical pipeline section reducing clad steel plate; 10, pipeline section junction gas-flow deflector; 11, pipeline section junction block clearing pipeline; 12, inclination pipeline section reducing clad steel plate; 13, inclination pipeline section gas-flow deflector; 14, inclination pipeline section block clearing pipeline; 15, under the isometrical clad steel plate of inclination pipeline section; 16, cement feeding mouth; 17, Vertical Mill cylindrical shell; 18, blast inlet; 19, air-out meal outlet; 20, vertical pipeline section retaining plate; 21, powder separating machine central enclosure; 22, powder separating machine lower case.
[embodiment]
By the following examples, can explain in more detail the present invention, the present invention is not limited to the following examples;
The feeding device of a kind of flyash described in 1~3 by reference to the accompanying drawings, comprise feed pipe, block clearing pipeline, the gentle stream guiding mechanism of wear-resisting mechanism, described feed pipe be shaped as circular or square or Polygons, take circle as example, it mainly comprises feed opening flange 1, vertical pipeline section 2 and inclination pipeline section 4, wherein the tilt lower end of pipeline section 4 is arranged on the opening for feed on the outer edge surface that powder separating machine central enclosure 21 deviates from cement feeding mouth 16 1 sides, and the outer edge surface of described powder separating machine central enclosure 21 is provided with at least one opening for feed, wherein powder separating machine central enclosure 21 is arranged on the top of powder separating machine lower case 22, on the top of powder separating machine central enclosure 21, be provided with air-out meal outlet 19, the bottom of described powder separating machine lower case 22 is provided with Vertical Mill cylindrical shell 17, the bottom of described Vertical Mill cylindrical shell 17 is provided with blast inlet 18, a side in powder separating machine lower case 22 is provided with cement feeding mouth 16, between powder separating machine central enclosure 21 and vertical pipeline section 2, be provided with for strengthening the vertical pipeline section retaining plate 20 of strength of joint, in the upper end of described inclination pipeline section 4, be provided with vertical pipeline section 2, in the upper end of described vertical pipeline section 2, be provided with feed opening flange 1,
Further, on the inner edge surface of described feed pipe, be provided with wear-resisting mechanism, the material of described wear-resisting mechanism is metallic substance or the non-metallic material with high-wearing feature, wherein wear-resisting mechanism mainly comprises the isometrical clad steel plate 3 of vertical pipeline section, on the isometrical clad steel plate of inclination pipeline section 5, vertically on pipeline section reducing clad steel plate 6, vertically under pipeline section reducing clad steel plate 9, under inclination pipeline section reducing clad steel plate 12 and the isometrical clad steel plate of inclination pipeline section 15, wherein vertically the isometrical clad steel plate 3 of pipeline section is fixed on the inner edge surface that deviates from air-flow guiding mechanism one side of vertical pipeline section 2, the circumferential direction of the isometrical clad steel plate 3 of described vertical pipeline section is provided with subdivision structure, described subdivision structure is on the circumferential direction of the vertical isometrical clad steel plate 3 of pipeline section and is provided with breach, by described breach, form subdivision structure, at described subdivision structural engagement place, be provided with on vertical pipeline section reducing clad steel plate 6 and vertically under pipeline section reducing clad steel plate 9, on described vertical pipeline section reducing clad steel plate, 6 upper end is fixed on the upper end of the inner edge surface near a side of vertical pipeline section 2, vertically on pipeline section reducing clad steel plate, 6 lower end is fixed on the side plate of vertical pipeline section gas-flow deflector 7, on vertical pipeline section reducing clad steel plate 6 below be provided with under vertical pipeline section reducing clad steel plate 9, under described vertical pipeline section reducing clad steel plate, 9 upper end is fixed on the inner edge surface of the vertical pipeline section 2 under vertical pipeline section gas-flow deflector 7, vertically under pipeline section reducing clad steel plate, 9 lower end is fixed on the side plate of pipeline section junction gas-flow deflector 10, on the isometrical clad steel plate of described inclination pipeline section, 5 are fixed on the upper end that deviates from air-flow guiding mechanism inner edge surface of inclination pipeline section 4 and are connected with the isometrical clad steel plate 3 of vertical pipeline section, on the isometrical clad steel plate of inclination pipeline section, 5 circumferential direction is provided with subdivision structure, at described subdivision structural engagement place, be provided with under inclination pipeline section reducing clad steel plate 12 and the isometrical clad steel plate of inclination pipeline section 15, the upper end of described inclination pipeline section reducing clad steel plate 12 is fixed on the inner edge surface of inclination pipeline section 4 of gas-flow deflector 10 belows, pipeline section junction, the lower end of inclination pipeline section reducing clad steel plate 12 is fixed on the side plate of inclination pipeline section gas-flow deflector 13, under the isometrical clad steel plate of described inclination pipeline section, 15 are fixed on the inner edge surface of inclination pipeline section 4 of inclination pipeline section gas-flow deflector 13 belows,
Further, in gap between the outside surface of described wear-resisting mechanism and the internal surface of feed pipe, be provided with air-flow guiding mechanism, described air-flow guiding mechanism comprises vertical pipeline section gas-flow deflector 7, pipeline section junction gas-flow deflector 10 and inclination pipeline section gas-flow deflector 13, described vertical pipeline section gas-flow deflector 7 comprises top board and three side plates, by described top board and three side plates, vertical pipeline section gas-flow deflector 7 being formed has below and the gas channel of bottom surface opening, vertically the top board of pipeline section gas-flow deflector 7 is fixed on the inner edge surface of vertical pipeline section 2, the vertical wedge gap formation gas channel between the inner edge surface of three side plates of pipeline section gas-flow deflector 7 and vertical pipeline section 2, described pipeline section junction gas-flow deflector 10 comprises top board and three side plates, by described top board and three side plates, pipeline section junction gas-flow deflector 10 being formed has below and the gas channel of bottom surface opening, the top board of described pipeline section junction gas-flow deflector 10 is fixed on the inner edge surface of vertical pipeline section 2, wedge gap between three side plates of pipeline section junction gas-flow deflector 10 and vertically pipeline section 2 and the inner edge surface of inclination pipeline section 4 corresponding junctions forms another gas channel, described inclination pipeline section gas-flow deflector 13 comprises top board and three side plates, by described top board and three side plates, making pipeline section gas-flow deflector 13 to form has below and the gas channel of bottom surface opening, the top board of described inclination pipeline section gas-flow deflector 13 is fixed on the inner edge surface of inclination pipeline section 4, three side plates of inclination pipeline section gas-flow deflector 13 and the wedge gap between the inner edge surface of inclination pipeline section 4 form another gas channel,
Then on the outside surface of described air-flow guiding mechanism and feed pipe link position place feed pipe, be provided with the block clearing pipeline connecting to feed pipe, described block clearing pipeline comprises vertical pipeline section block clearing pipeline 8, pipeline section junction block clearing pipeline 11 and inclination pipeline section block clearing pipeline 14, described vertical pipeline section block clearing pipeline 8 be arranged on corresponding vertically pipeline section gas-flow deflector 7 and vertical pipeline section 2 binding sites outer edge surface on, described pipeline section junction block clearing pipeline 11 is arranged on corresponding pipeline section junction gas-flow deflector 10, vertically on the outer edge surface at pipeline section 2 and inclination pipeline section 4 binding site places, described inclination pipeline section block clearing pipeline 14 be arranged on corresponding tilt pipeline section gas-flow deflector 13 and inclination pipeline section 4 binding site places outer edge surface on.
The present invention is in concrete use procedure, first flyash is quantitatively fed in vertical pipeline section 2 by constant feeder and star lock wind discharge valve, then through inclination pipeline section 4, flow into the opening for feed in powder separating machine central enclosure 21, then by opening for feed, enter powder separating machine gravity classification region, in this region, with grinding together with the material such as cement clinker after preliminarily dried and gypsum, under the effect at delivery air, fully mix, dry, disperse, air conveying, classification and operation such as separated grade, in above-mentioned these two pipeline sections, material moves downward the form with plug flow.
In concrete use procedure, when supplied materials is dry powder coal ash, because dry powder coal ash humidity is usually less than 1%, so dry powder coal ash oneself viscosity and adhesion effect are all very little, can be with not bonding between wall, generally can not tie each other arch and become bridge yet, now vertically pipeline section block clearing pipeline 8, pipeline section junction block clearing pipeline 11 and inclination pipeline section block clearing pipeline 14 as long as just can make dried coal powder gray scale flow into more smoothly powder separating machine inside interval time with less jetting pressure, shorter winding-up time and longer winding-up;
When supplied materials is wet fly-ash, because the wet fly-ash humidity naturally existing is up to 11%, so flyash is easy to be agglomerated into piece, in addition, because the convective heat exchange of air-flow is followed the heat-conduction effect between flyash feeding unit wall, vertically pipeline section 2 is about 70~75 ℃ with the wall surface temperature of inclination pipeline section 4 positions, so the temperature of main air road air-flow reduces easily dewfall generation steam on vertical pipeline and tilted tube, in addition, the material contacting with wall is because Evaporation also easily discharges part moisture, the reason of comprehensive dewfall and two aspects of evaporation causes the wall of two pipeline sections all comparatively moistening, moistening wall is easy to cause full face knot arch to stop up with wet fly-ash bonding, therefore, need vertical pipeline section block clearing pipeline 8, pipeline section junction block clearing pipeline 11 and inclination pipeline section block clearing pipeline 14 are with higher jetting pressure, longer winding-up time and shorter winding-up just can be broken up the material arch of formation interval time, wet fly-ash also can flow into powder separating machine inside more smoothly like this.
Part not in the detailed description of the invention is prior art.
The embodiment selecting in this article in order to disclose object of the present invention, currently thinks suitablely, still, will be appreciated that, the present invention is intended to comprise that all belong to all changes and the improvement of the embodiment in this design and invention scope.

Claims (8)

1. the feeding device of a flyash, comprise feed pipe, block clearing pipeline, the gentle stream guiding mechanism of wear-resisting mechanism, it is characterized in that: on the inner edge surface of described feed pipe, be provided with wear-resisting mechanism, in gap between the outside surface of described wear-resisting mechanism and the internal surface of feed pipe, be provided with air-flow guiding mechanism, on the outside surface of described air-flow guiding mechanism and feed pipe link position place feed pipe, be provided with and connect the feeding device that forms described flyash to the block clearing pipeline of feed pipe.
2. the feeding device of flyash according to claim 1, it is characterized in that: described feed pipe comprises feed opening flange (1), vertical pipeline section (2) and inclination pipeline section (4), wherein the tilt lower end of pipeline section (4) is arranged on the opening for feed on the outer edge surface that powder separating machine central enclosure (21) deviates from cement feeding mouth (16) one sides, in the upper end of described inclination pipeline section (4), be provided with vertical pipeline section (2), in the upper end of described vertical pipeline section (2), be provided with feed opening flange (1).
3. the feeding device of flyash according to claim 1, it is characterized in that: described air-flow guiding mechanism comprises vertical pipeline section gas-flow deflector (7), pipeline section junction gas-flow deflector (10) and inclination pipeline section gas-flow deflector (13), the top board of described vertical pipeline section gas-flow deflector (7) is fixed on the inner edge surface of vertical pipeline section (2), the vertical wedge gap formation gas channel between the inner edge surface of three side plates of pipeline section gas-flow deflector (7) and vertical pipeline section (2), the top board of described pipeline section junction gas-flow deflector (10) is fixed on the inner edge surface of vertical pipeline section (2), wedge gap between three side plates of pipeline section junction gas-flow deflector (10) and vertically pipeline section (2) and the inner edge surface of the corresponding junction of inclination pipeline section (4) forms another gas channel, the top board of described inclination pipeline section gas-flow deflector (13) is fixed on the inner edge surface of inclination pipeline section (4), three side plates of inclination pipeline section gas-flow deflector (13) and the wedge gap between the inner edge surface of inclination pipeline section (4) form another gas channel.
4. the feeding device of flyash according to claim 1, it is characterized in that: described wear-resisting mechanism comprises the isometrical clad steel plate of vertical pipeline section (3), on the isometrical clad steel plate of inclination pipeline section (5), vertically on pipeline section reducing clad steel plate (6), vertically under pipeline section reducing clad steel plate (9), under inclination pipeline section reducing clad steel plate (12) and the isometrical clad steel plate of inclination pipeline section (15), wherein vertically the isometrical clad steel plate of pipeline section (3) is fixed on the inner edge surface that deviates from air-flow guiding mechanism one side of vertical pipeline section (2), the circumferential direction of the isometrical clad steel plate of described vertical pipeline section (3) is provided with subdivision structure, at described subdivision structural engagement place, be provided with on vertical pipeline section reducing clad steel plate (6) and vertically (9) under pipeline section reducing clad steel plate, on described vertical pipeline section reducing clad steel plate, the upper end of (6) is fixed on the upper end of the inner edge surface near a side of vertical pipeline section (2), vertically on pipeline section reducing clad steel plate, the lower end of (6) is fixed on the side plate of vertical pipeline section gas-flow deflector (7), on vertical pipeline section reducing clad steel plate, the below of (6) is provided with under vertical pipeline section reducing clad steel plate (9), under described vertical pipeline section reducing clad steel plate, the upper end of (9) is fixed on the inner edge surface of the vertical pipeline section (2) under vertical pipeline section gas-flow deflector (7), vertically under pipeline section reducing clad steel plate, the lower end of (9) is fixed on the side plate of pipeline section junction gas-flow deflector 10, on the isometrical clad steel plate of described inclination pipeline section, (5) are fixed on the upper end that deviates from air-flow guiding mechanism inner edge surface of inclination pipeline section (4) and are connected with the isometrical clad steel plate of vertical pipeline section (3), on the isometrical clad steel plate of inclination pipeline section, the circumferential direction of (5) is provided with subdivision structure, at described subdivision structural engagement place, be provided with under inclination pipeline section reducing clad steel plate (12) and the isometrical clad steel plate of inclination pipeline section (15), the upper end of described inclination pipeline section reducing clad steel plate (12) is fixed on the inner edge surface of the inclination pipeline section (4) below pipeline section junction gas-flow deflector (10), the lower end of inclination pipeline section reducing clad steel plate (12) is fixed on the side plate of inclination pipeline section gas-flow deflector (13), under the isometrical clad steel plate of described inclination pipeline section, (15) are fixed on the inner edge surface of inclination pipeline section (4) of inclination pipeline section gas-flow deflector (13) below.
5. the feeding device of flyash according to claim 1, it is characterized in that: described block clearing pipeline comprises vertical pipeline section block clearing pipeline (8), pipeline section junction block clearing pipeline (11) and inclination pipeline section block clearing pipeline (14), described vertical pipeline section block clearing pipeline (8) be arranged on corresponding vertically pipeline section gas-flow deflector (7) and vertical pipeline section (2) binding site outer edge surface on, described pipeline section junction block clearing pipeline (11) is arranged on corresponding pipeline section junction gas-flow deflector (10), vertically on the outer edge surface at pipeline section (2) and inclination pipeline section (4) binding site place, described inclination pipeline section block clearing pipeline (14) be arranged on corresponding tilt pipeline section gas-flow deflector (13) and inclination pipeline section (4) binding site place outer edge surface on.
6. the feeding device of flyash according to claim 2, is characterized in that: the outer edge surface of described powder separating machine central enclosure (21) is provided with at least one opening for feed.
7. the feeding device of flyash according to claim 2, is characterized in that: between described powder separating machine central enclosure (21) and vertical pipeline section (2), be provided with vertical pipeline section retaining plate (20).
8. the feeding device of flyash according to claim 2, it is characterized in that: described powder separating machine central enclosure (21) is arranged on the top of powder separating machine lower case (22), on the top of powder separating machine central enclosure (21), be provided with air-out meal outlet (19), the bottom of described powder separating machine lower case (22) is provided with Vertical Mill cylindrical shell (17), the bottom of described Vertical Mill cylindrical shell (17) is provided with blast inlet (18), in a side of powder separating machine lower case (22), is provided with cement feeding mouth (16).
CN201310583843.4A 2013-11-20 2013-11-20 A kind of feeding device of flyash Active CN103664013B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108057615A (en) * 2017-12-01 2018-05-22 无锡宇能选煤机械厂 The wet special feeder trough of coal spiral screen(ing) machine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101628284A (en) * 2008-12-31 2010-01-20 泰州市华荣水泥有限公司 Method for processing fly ash
CN203613110U (en) * 2013-11-20 2014-05-28 中信重工机械股份有限公司 Feeding device for fly ash

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101628284A (en) * 2008-12-31 2010-01-20 泰州市华荣水泥有限公司 Method for processing fly ash
CN203613110U (en) * 2013-11-20 2014-05-28 中信重工机械股份有限公司 Feeding device for fly ash

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108057615A (en) * 2017-12-01 2018-05-22 无锡宇能选煤机械厂 The wet special feeder trough of coal spiral screen(ing) machine

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