CN116839340A - Hot drying coal bucket - Google Patents
Hot drying coal bucket Download PDFInfo
- Publication number
- CN116839340A CN116839340A CN202310972223.3A CN202310972223A CN116839340A CN 116839340 A CN116839340 A CN 116839340A CN 202310972223 A CN202310972223 A CN 202310972223A CN 116839340 A CN116839340 A CN 116839340A
- Authority
- CN
- China
- Prior art keywords
- coal
- cavity
- inner cavity
- side wall
- shell
- 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.)
- Pending
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- 239000003245 coal Substances 0.000 title claims abstract description 141
- 238000001035 drying Methods 0.000 title abstract description 9
- 238000007790 scraping Methods 0.000 claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000007704 transition Effects 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 20
- 238000002156 mixing Methods 0.000 description 11
- 239000003415 peat Substances 0.000 description 7
- 238000009825 accumulation Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/18—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs
- F26B17/22—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs the axis of rotation being vertical or steeply inclined
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
- F26B25/12—Walls or sides; Doors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The application discloses a heat drying coal bucket, which comprises a coal bucket, wherein the coal bucket comprises an inner cavity and a shell, a cavity communicated with an air preheater is formed between the shell and the inner cavity, and a maintenance channel with a sealing door is arranged in the cavity; a transmission shaft, a coal scraping mechanism and a coal conveying assembly are rotatably arranged in the inner cavity; when the air preheater is used, hot air is provided for the cavity, accumulated coal in the cavity is heated and attached water vapor is discharged, and the coal scraping mechanism is used for scraping coal blocks attached to the inner side wall of the cavity and stirring and loosening the accumulated coal in the cavity at the same time, so that the accumulated coal can be quickly removed from a discharge hole of the cavity under the drive of the coal conveying component. The application is provided with the coal hopper with the cavity, the coal scraping mechanism and the coal conveying component, not only can heat and dry coal, but also can scrape off coal blocks attached in the coal hopper and simultaneously loosen accumulated coal in the coal hopper, and can quickly remove the coal under the drive of the coal conveying component, and the application is provided with a maintenance channel which is convenient to maintain, and has simple and practical structure and convenient operation.
Description
Technical Field
The application relates to the technical field of power generation boilers, in particular to a heat drying coal bucket.
Background
Because peat is high in humidity and easy to agglomerate in the transportation process, moisture in the peat is not easy to discharge, so that non-vertical surfaces in a coal conveying system are caused, particularly, the phenomenon that the peat is accumulated in a coal hopper easily to cause feeding blockage of the coal conveying system is caused, and more moisture in the coal can influence the heating efficiency of a boiler, so that the power generation load of the boiler is instantaneously reduced, and the allocation of the power load of the power transmission and distribution system is seriously influenced; in addition, the maintenance of the coal bucket usually enters from the opening end of the coal bucket, and the depth is also deeper due to the larger volume of the coal bucket, so that the staff needs more auxiliary equipment for entering the coal bucket for maintenance, and the cost is higher.
Disclosure of Invention
Aiming at the defects in the prior art, the application aims to solve the technical problems that: the hot drying coal hopper can be used for hot drying coal, scraping and loosening the coal, is beneficial to coal feeding and is convenient to overhaul.
In order to solve the technical problems, the application adopts a technical scheme that: the utility model provides a hot drying coal scuttle, includes the coal scuttle, the coal scuttle includes inner chamber and covers the shell in the inner chamber outside, forms a cavity that communicates with the air preheater between this shell and the inner chamber, is equipped with the maintenance passageway that communicates with the inner chamber in this cavity, communicate in the position department that corresponds the maintenance passageway on the said shell and be equipped with the opening, this opening position is equipped with the sealing door; a transmission shaft, a coal scraping mechanism and a coal conveying assembly are rotatably arranged in the inner cavity; when the air preheater is used, hot air is provided for the cavity, accumulated coal in the cavity is heated and attached water vapor is discharged, and the coal scraping mechanism is used for scraping coal blocks attached to the inner side wall of the cavity and stirring and loosening the accumulated coal in the cavity at the same time, so that the accumulated coal can be quickly removed from a discharge hole of the cavity under the drive of the coal conveying component.
By adopting the structure, the air preheater provides heated air into the cavity formed between the shell and the inner cavity, so that the wall of the inner cavity is heated, the coal is heated, the moisture in the coal is volatilized, and the aim of drying the coal is fulfilled; the maintenance channel is arranged, so that a worker can conveniently enter the inner cavity for examination, and meanwhile, the worker can move to the middle part of the inner cavity for maintenance by the coal scraping mechanism; the coal scraping mechanism is driven by the rotation of the transmission shaft to synchronously drive the coal scraping mechanism and the coal conveying assembly to rotate, the coal scraping mechanism scrapes the coal attached to the inner side wall of the coal hopper and simultaneously stirs accumulated coal in the coal hopper, the accumulation state of the accumulated coal is relaxed, and the coal conveying resistance is reduced, so that the coal is quickly moved out of the discharge hole of the coal hopper under the drive of the coal conveying assembly, and the coal scraping mechanism is simple and compact in structure and convenient to operate.
In order to increase the heat absorption area and improve the heating efficiency, preferably, the outer side wall of the inner cavity is spirally provided with an outwards extending heat absorption sheet along the axial direction of the inner cavity, the extending ends of the heat absorption sheet are all abutted with the inner side wall of the shell, and a cavity spirally arranged is formed by surrounding the heat absorption sheet, the inner cavity and the shell.
For the temperature of the mixed regulation hot air of being convenient for, as the preferred one side on the shell be equipped with the intake pipe with the cavity intercommunication, the opposite side is equipped with the outlet duct with the cavity intercommunication one side intercommunication of intake pipe inlet end is equipped with the air pipe, and the opposite side intercommunication is equipped with the hot air pipe with the air preheater intercommunication, is equipped with the cover that mixes in this intake pipe corresponding air pipe and the air pipe's the department of admitting air junction of admitting air, the cross-section of cover that mixes is "U" shape structure, and the opening direction of this cover that mixes is the same with the air inlet direction of intake pipe.
For the convenience of installation, reduce simultaneously and to the interference of coal supply, as the preference be equipped with the support on the inside wall of coal scuttle's discharge gate position be equipped with power motor on the support, power motor's output is vertical upwards stretches out and is connected with the transmission shaft.
In order to simplify the structure and facilitate the use, preferably, the coal feeding assembly comprises at least two auger blades spirally arranged on the outer side wall of the connecting shaft along the axial direction of the connecting shaft, and each auger blade has a structure with a wide blade width at the upper part and a narrow blade width at the lower part.
In order to improve the use intensity of the scraping plate and simplify the installation structure, as an optimization, the coal scraping mechanism comprises a base sleeved on a connecting shaft, a supporting rod connected with the base and the scraping plate obliquely connected with the supporting rod, and a connecting rod group is connected between the scraping plate and the connecting shaft.
In order to facilitate the operation of stirring and loosening the multiple positions of the accumulated coal successively, preferably, the connecting rod group comprises three connecting rods which are equidistantly and parallelly arranged from top to bottom, and the distance between two connecting ends of each connecting rod is reduced along the axial equidistance of the obliquely arranged scraping plate.
In order to improve the use strength of the connecting rods and reduce the resistance caused by front stress, preferably, each connecting rod is arranged in a bending way, and each connecting rod is in a bending diameter with the distance between two connecting ends.
In order to better reduce the use resistance of the scraper, a transition inclined plane is preferably arranged at one side of the high end of the scraper, which corresponds to the inner side wall of the coal bucket.
In order to facilitate the storage space and orderly lead out of the accumulated coal during loosening, smooth loosening operation is ensured, and as a preferential mode, a first baffle and a second baffle are respectively arranged along the edges of the left side and the right side of the axial direction of the supporting rod and the scraping plate, and an L-shaped groove communicated with the supporting rod and the outer side wall of the scraping plate is formed by surrounding the baffles on the two sides.
In order to better scrape accumulated coal on the inner wall of the coal bucket, preferably, one side of the second baffle, which is abutted against the inner wall of the coal bucket, is provided with a cutting edge inclined plane with the outer side low and the inner side high, and the other side is provided with a yielding inclined plane which is flush with the plane of the outer side wall of the transition inclined plane.
The beneficial effects are that: the application is provided with the coal hopper with the cavity, the coal scraping mechanism and the coal conveying component, not only can heat and dry coal, but also can scrape off coal blocks attached in the coal hopper and simultaneously loosen accumulated coal in the coal hopper, and can quickly remove the coal under the drive of the coal conveying component, and the application is provided with a maintenance channel which is convenient to maintain, and has simple and practical structure and convenient operation.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
fig. 1 is a schematic structural view of the present application.
Fig. 2 is a top view of fig. 1.
FIG. 3 is a schematic flow diagram of a gas at the location of a mixing hood.
Fig. 4 is a schematic view of the structure of the coal scraping device and the coal feeding assembly.
Fig. 5 is an enlarged view at a in fig. 4.
The meaning of the reference numerals in the drawings are:
inner cavity-10; a heat absorbing sheet-101; a bracket-102; a power motor-103; a service channel-104; sealing the door-105; a housing-11; auger blade-12; a drive shaft-13;
an air inlet pipe-20; an air tube-201; a hot air pipe-202; a thermometer-203; an air outlet pipe-21;
a base-3; a strut-30; a scraper blade-31; a connecting rod-32; transition slope-311; a first baffle-33; a second baffle-34; edge bevel-341; yielding chamfer-342.
Detailed Description
As shown in fig. 1 to 5, the application comprises a coal bucket, wherein the coal bucket comprises an inner cavity 10 and a shell 11 covering the outer side of the inner cavity 10, a cavity 1 communicated with an air preheater is formed between the shell 11 and the inner cavity 10, a maintenance channel 104 communicated with the inner cavity 10 is arranged in the cavity 1, an opening is communicated with the position of the shell 11 corresponding to the maintenance channel 104, and a sealing door 105 is arranged at the position of the opening; a transmission shaft 13 is rotatably arranged in the inner cavity 10, and a coal scraping mechanism and a coal feeding assembly are arranged on the transmission shaft 13; when the air preheater is used, hot air is provided for the cavity 1, so that accumulated coal in the inner cavity 10 is heated and attached water vapor is discharged, and the coal scraping mechanism is used for scraping off coal blocks attached to the inner side wall of the inner cavity 10 and simultaneously loosening the accumulated coal in the inner cavity 10 so as to quickly remove the accumulated coal from a discharge hole of the inner cavity 10 under the drive of the coal conveying component.
Specifically, an outwards extending heat absorbing sheet 101 is spirally arranged on the outer side wall of the inner cavity 10 along the axial direction of the inner cavity 10, the extending ends of the heat absorbing sheet 101 are all abutted with the inner side wall of the outer shell 11, and a spirally arranged cavity 1 is formed by surrounding the heat absorbing sheet 101, the inner cavity 10 and the outer shell 11.
An air inlet pipe 20 communicated with the cavity 1 is arranged on one side of the shell 11, an air outlet pipe 21 communicated with the cavity 1 is arranged on the other side of the shell 11, an air pipe 201 is communicated with one side of an air inlet end of the air inlet pipe 20, a hot air pipe 202 communicated with the air preheater is communicated with the other side of the shell, a mixing cover 22 is arranged at an air inlet junction of the air inlet pipe 20 corresponding to the air pipe 201 and the hot air pipe 202, the cross section of the mixing cover 22 is of a U-shaped structure, and the opening direction of the mixing cover 22 is the same as the air inlet direction of the air inlet pipe 20.
A bracket 102 is arranged on the inner side wall of the discharge hole of the inner cavity 10, a power motor 103 is arranged on the bracket 102, and the output end of the power motor 103 extends vertically upwards and is connected with a transmission shaft 13.
The coal conveying assembly comprises at least two auger blades 12 which are spirally arranged on the outer side wall of the connecting shaft 13 along the axial direction of the connecting shaft 13, and the blade width of each auger blade 12 is of a structure with wide upper part and narrow lower part.
The coal scraping mechanism comprises a base 3 sleeved on a connecting shaft 13, a supporting rod 30 connected with the base 3 and a scraping plate 31 obliquely connected with the supporting rod 30, wherein a connecting rod group is connected between the scraping plate 31 and the connecting shaft 10 and comprises three connecting rods 32 which are arranged in parallel from top to bottom at equal intervals, and the distance between two connecting ends of each connecting rod 32 is reduced along the axial equal interval of the obliquely arranged scraping plate 31.
Each of the connecting rods 32 is provided in a curved shape, and each connecting rod 32 has a curved diameter with a distance between two connecting ends.
The supporting rod 30 and the scraping plate 31 are of an integrated structure, and a transition inclined plane 311 is arranged at one side of the high end of the scraping plate 31 corresponding to the inner side wall of the coal bucket 1.
A first baffle 33 and a second baffle 34 are respectively arranged along the edges of the left side and the right side of the supporting rod 30 and the axial direction of the scraping plate 31, and the baffles on the two sides, the supporting rod 30 and the outer side wall of the scraping plate 31 are surrounded to form a communicated L-shaped groove; one side of the second baffle 34, which is abutted against the inner wall of the coal bucket 1, is provided with an outer low and inner high cutting edge inclined plane 341, and the other side is provided with a yielding inclined plane 342 which is flush with the plane of the outer side wall of the transition inclined plane 311.
The application principle of the application is as follows:
as shown in fig. 1 to 3, when in use, hot air is discharged from an air preheater (not shown) and enters the air inlet pipe 20 through the hot air pipe 202, meanwhile, according to the requirement of using temperature, normal-temperature air is pumped into the air pipe 201 to adjust the air temperature in the air inlet pipe 20, in order to improve the cooling efficiency of mixed air, a mixing cover 22 is arranged at the air inlet junction of the air pipe 201 and the hot air pipe 202, as shown in fig. 3, after hot air and normal-temperature air entering from two ends enter the air inlet pipe 20, a little mixing is performed, more rebounds among the air are performed, the air rebounds are respectively bounced to the positions of the air inlet ends, the air continues to flow along the pipe wall of the corresponding end of the air inlet pipe 20 and the outer side wall of the mixing cover 22 under the air pressure action of the corresponding end, when the hot air and the normal-temperature air flow to the opening position of the mixing cover 22, the air at two ends can flow into the structure of the mixing cover 22 with a U-shaped cross section, and the purpose of fully mixing is realized to ensure the rapid cooling is realized, and in order to accurately know the temperature of the mixed air at the position of the corresponding mixing cover 22 is provided with a temperature meter 203; the fully mixed gas is continuously discharged into the cavity 1 through the air inlet pipe 20 under the action of air pressure, and the temperature is transferred to the inner cavity 10 through the heat transfer sheet 101 by the heat transfer of the air, so that the purpose of heating peat in the inner cavity 10 is realized, and the purpose of drying coal materials is realized by volatilizing water vapor in the peat through heating.
As shown in fig. 1, fig. 2, fig. 4 and fig. 5, after a great amount of peat enters the coal bucket, because the lower structure of the coal bucket contains non-vertical surfaces and moisture is contained in the peat, the phenomenon of accumulation easily exists on the non-vertical surfaces, at this time, the power motor 103 is started to synchronously drive the connecting shaft 13 and the sleeved base 3 to rotate, that is, the scraper 31 rotates synchronously along with the rotation of the base 3, and the scraper 31 is provided with the cutting edge inclined surface 341 in the rotation direction, so that rapid coal scraping is facilitated, meanwhile, the contact area between the scraper 31 and the inner side wall of the coal bucket is reduced due to the arrangement of the yielding inclined surface 342, the resistance of coal scraping is reduced, and in addition, the scraper 31 is flush with the plane of the outer side wall of the transition inclined surface 311, and when moving in the coal material, the front stress is reduced.
It should be noted that, three connecting rods 32 are further connected between the connecting shaft 13 and the scraper 31, the distance between two connecting ends of each connecting rod 32 is reduced along the axial direction of the inclined scraper 31 at equal intervals, each connecting rod 32 is in a curved arrangement, the distance between two connecting ends is the curved diameter, the three connecting rods 32 with equal difference span are arranged from top to bottom to form a conical structure with a cross section being wider at the top and narrower at the bottom, thus, in the synchronous rotation process along with the connecting shaft 13, each connecting rod 32 moves in the coal material, a gap is generated after movement, the state of accumulated coal accumulation is changed, and the effect similar to the effect of loosening soil is achieved, so that the purpose of loosening accumulated coal is achieved; the first baffle 33, the second baffle 34, the strut 30 and the outer side wall of the scraper 31 are surrounded to form a communicated L-shaped groove, which is favorable for orderly guiding the loosened coal, so that the inside of the coal accumulation is more orderly, and the coal feeding and discharging are facilitated.
Meanwhile, the rotation of the connecting shaft 13 synchronously drives the rotation of the three auger blades 12, the rotation direction of the auger blades 12 faces the discharge hole at the lower end of the coal hopper 1, and the widths of the auger blades 12 are of a structure with wide upper part and narrow lower part, so that the coal is conveniently fed, and meanwhile, the blockage in the coal discharging direction is reduced; meanwhile, the bracket 102 also adopts a cross structure, so that the discharge amount of the discharge port of the coal bucket is ensured to the greatest extent.
Finally, as shown in fig. 1 and 2, in order to facilitate maintenance, a maintenance hole is formed in the wall of the inner cavity 10 at the position above the corresponding scraping plate 31, a maintenance channel 104 communicated with the maintenance hole is formed in the spiral cavity 1 between the outer shell 11 and the inner cavity 10, an opening is correspondingly formed in the outer shell 11 through the maintenance channel 104, and a sealing door 105 is arranged at the position of the opening, as shown in fig. 1, when in use, the sealing door 105 is opened, a worker can come from the maintenance channel 104 to maintenance Kong Weizhi and climb down into the inner cavity 10 along the three connecting rods 32, so that the worker can conveniently carry out temporary maintenance on related components such as the scraping plate 31 or the auger blade 12; meanwhile, the maintenance channel 104 is arranged at a position between two adjacent sections of cavities to ensure that hot air flows smoothly in the spiral cavity 1.
Claims (10)
1. The utility model provides a hot dry coal scuttle, includes coal scuttle, its characterized in that: the coal bucket comprises an inner cavity (10) and a shell (11) covered outside the inner cavity (10), a cavity (1) communicated with the air preheater is formed between the shell (11) and the inner cavity (10), an overhaul channel (104) communicated with the inner cavity (10) is arranged in the cavity (1), an opening is formed in the shell (11) at a position corresponding to the overhaul channel (104) in a communication mode, and a sealing door (105) is arranged at the position of the opening; a transmission shaft (13) is rotatably arranged in the inner cavity (10), and a coal scraping mechanism and a coal feeding assembly are arranged on the transmission shaft (13); when the air preheater is used, hot air is provided for the cavity (1), so that accumulated coal in the inner cavity (10) is heated and attached water vapor is discharged, and the coal scraping mechanism is used for scraping coal attached to the inner side wall of the inner cavity (10) and stirring accumulated coal in the inner cavity (10) at the same time so as to be quickly moved out of a discharge hole of the inner cavity (10) under the drive of the coal conveying component.
2. The thermally dried coal hopper of claim 1, wherein: the heat absorption piece (101) stretching outwards is spirally arranged on the outer side wall of the inner cavity (10) along the axial direction of the inner cavity (10), the stretching end of the heat absorption piece (101) is abutted to the inner side wall of the shell (11), and a spiral cavity (1) is formed by encircling the heat absorption piece (101), the inner cavity (10) and the shell (11).
3. The thermally dried coal hopper of claim 1, wherein: one side on shell (11) be equipped with intake pipe (20) of cavity (1) intercommunication, the opposite side is equipped with outlet duct (21) of cavity (1) intercommunication one side intercommunication of intake pipe (20) inlet end is equipped with air pipe (201), and the opposite side intercommunication is equipped with hot air pipe (202) of communicating with the air preheater, corresponds air pipe (201) and the department of meeting of admitting air of hot air pipe (202) in this intake pipe (20) and is equipped with hybrid cover (22), the cross-section of hybrid cover (22) is "U" shape structure, and the opening direction of this hybrid cover (22) is the same with the air inlet direction of intake pipe (20).
4. The thermally dried coal hopper of claim 1, wherein: the inner side wall of the discharging hole of the inner cavity (10) is provided with a bracket (102), the bracket (102) is provided with a power motor (103), and the output end of the power motor (103) vertically extends upwards and is connected with a transmission shaft (13).
5. The thermally dried coal hopper of claim 1, wherein: the coal conveying assembly comprises at least two auger blades (12) which are spirally arranged on the outer side wall of the connecting shaft (13) along the axial direction of the connecting shaft (13), and the blade width of each auger blade (12) is of a structure with wide upper part and narrow lower part.
6. The thermally dried coal hopper of claim 1, wherein: the coal scraping mechanism comprises a base (3) sleeved on a connecting shaft (13), a supporting rod (30) connected with the base (3) and a scraping plate (31) obliquely connected with the supporting rod (30), wherein a connecting rod group is connected between the scraping plate (31) and the connecting shaft (10), the connecting rod group comprises three connecting rods (32) which are arranged in parallel from top to bottom at equal intervals, and the distance between two connecting ends of each connecting rod (32) is reduced along the axial equal intervals of the obliquely arranged scraping plate (31).
7. The thermally dried coal hopper of claim 6, wherein: each connecting rod (32) is arranged in a bending way, and each connecting rod (32) is in a bending diameter with the distance between two connecting ends.
8. The thermally dried coal hopper of claim 4, wherein: one side of the high end of the scraper (31) corresponding to the inner side wall of the coal bucket (1) is provided with a section of transition inclined plane (311).
9. The thermally dried coal hopper of claim 7, wherein: the edges of the left side and the right side of the supporting rod (30) and the scraping plate (31) in the axial direction are respectively provided with a first baffle (33) and a second baffle (34), and the two sides of the baffles, the supporting rod (30) and the outer side wall of the scraping plate (31) are surrounded to form a communicated L-shaped groove.
10. The thermally dried coal hopper of claim 8, wherein: one side of the second baffle (34) which is abutted against the inner wall of the coal bucket (1) is provided with an edge inclined plane (341) with a lower outside and a higher inside, and the other side is provided with a yielding inclined plane (342) which is flush with the plane of the outer side wall of the transition inclined plane (311).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310972223.3A CN116839340A (en) | 2023-08-03 | 2023-08-03 | Hot drying coal bucket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310972223.3A CN116839340A (en) | 2023-08-03 | 2023-08-03 | Hot drying coal bucket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116839340A true CN116839340A (en) | 2023-10-03 |
Family
ID=88170900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310972223.3A Pending CN116839340A (en) | 2023-08-03 | 2023-08-03 | Hot drying coal bucket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116839340A (en) |
-
2023
- 2023-08-03 CN CN202310972223.3A patent/CN116839340A/en active Pending
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