CN214371592U - Automatic drying device of coal - Google Patents
Automatic drying device of coal Download PDFInfo
- Publication number
- CN214371592U CN214371592U CN202120367500.4U CN202120367500U CN214371592U CN 214371592 U CN214371592 U CN 214371592U CN 202120367500 U CN202120367500 U CN 202120367500U CN 214371592 U CN214371592 U CN 214371592U
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- Prior art keywords
- shell
- coal
- drying device
- drying
- automatic coal
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- 239000003245 coal Substances 0.000 title claims abstract description 110
- 238000001035 drying Methods 0.000 title claims abstract description 80
- 239000000428 dust Substances 0.000 claims abstract description 22
- 238000002955 isolation Methods 0.000 claims description 11
- 230000005284 excitation Effects 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 5
- 239000007789 gas Substances 0.000 description 30
- 239000002245 particle Substances 0.000 description 8
- 238000007664 blowing Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 239000003077 lignite Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 235000004237 Crocus Nutrition 0.000 description 2
- 241000596148 Crocus Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Drying Of Solid Materials (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The utility model provides an automatic coal drying device, which comprises a shell arranged obliquely and a driving piece arranged at the bottom of the shell, wherein the driving piece is used for driving the shell to vibrate; a dust outlet is arranged at the bottom of the shell between the air distribution plate and the sieve plate; the top of the shell is connected with a feeding conveyor, the feeding conveyor comprises an inner cylinder and an outer cylinder which are coaxially arranged, an annular cavity is formed between the inner cylinder and the outer cylinder, the top of the shell is also externally connected with an exhaust pipeline, and the exhaust pipeline is connected into the annular cavity. The utility model discloses in, dry gas sweeps the drying by the coal of grid plate on to the sieve, and the gas after the drying gets into the annular cavity of feeding conveyer in, preheats the coal in the inner tube, has characteristics such as simple structure, drying efficiency height, dry abundant and energy utilization rate height.
Description
Technical Field
The utility model belongs to the technical field of coal, especially, relate to an automatic drying device of coal.
Background
In the power industry, a crusher is a main device for coal acceptance, but when a coal sample to be crushed contains high water or needs to be crushed and has small granularity, coal blockage is easy to occur, so that the problem that the precision is influenced because the crushed granularity of the coal sample cannot meet the requirement is caused. In addition, for a test coal sample which has large moisture and is difficult to grind, the coal sample needs to be heated and dried before grinding, and a plurality of drying times are long, so that the working efficiency is reduced. And to the online system appearance device of needs crocus, just can carry out the crocus operation after need drying the coal sample, the long production efficiency that will reduce to a certain extent of drying time influences its extensive input and use.
Although the lignite resources are easy to mine, the lignite resources have the defects of high water content, easiness in spontaneous combustion and the like, and have not been widely used all the time, and lignite drying and upgrading is the key for upgrading the lignite, and the water content is reduced and the carbon content is increased through drying, so that the heat productivity is increased, and the production and the use are facilitated.
CN205425672U discloses a coal automatic drying device, including high temperature gas stove, feeding case, barrel, ring gear and ejection of compact case, the high temperature gas stove is equipped with the window, air-blower No. one of high temperature gas stove top fixed connection, No. one the air-blower is equipped with the air intake, high temperature gas stove one side fixed connection high temperature gas export, high temperature gas export opposite side fixed connection feeding case, the feeding roof portion is equipped with the feed inlet, feeding bottom of the case fixed connection support frame, the barrel is connected to feeding case opposite side. The utility model discloses a carry out the drying to coal in sending high-temperature gas to the barrel through an air-blower, the buncher drives the barrel and rotates simultaneously, makes the even drying of coal in the section of thick bamboo. But it has the problems of low energy utilization rate, insufficient drying, much dust and the like.
CN206410470U discloses a coal dryer. The coal dryer comprises a coal conveying belt, wherein a microwave tunnel is arranged on a running path of the coal conveying belt, a plurality of microwave generators are arranged on the inner wall of the microwave tunnel, a moisture discharge system is connected to the top end of the microwave tunnel, and the moisture discharge system and the microwave generators are respectively communicated with a control power supply system. The utility model discloses a simple structure, but it heats coal through microwave generator, has the high scheduling problem of energy resource consumption.
CN210463901U discloses an automatic drying device of coal, including annular conveying frame, be provided with the frame of placing of circumference distribution on the conveying frame, place the frame and be used for placing coal, the conveying frame is put on the shelf and is equipped with the drying chamber, the opening design of one side wherein of drying chamber is the entry, the opening design of the opposite side of drying chamber is the export, it makes the annular slip to place the frame along the conveying frame, it gets into the drying chamber and wears out the drying chamber from the export from the entry to place the frame, carries out drying process to coal through the drying chamber. The utility model discloses a conveying frame carries out the annular and rotates, can take out dry coal at any time, but its can not continuous operation, has the poor problem of adaptability.
The existing coal drying devices all have the problems of complex structure, insufficient drying, high energy consumption and the like, so that the problems that how to ensure that the automatic coal drying device has the characteristics of low energy consumption, sufficient drying and the like under the condition of simple structure become the problems which need to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an automatic drying device of coal, high temperature steam heats coal through the sieve, and the steam of high humidity gets into the feeding conveyer after the heating, preheats the coal of feeding, and the make full use of energy has characteristics such as drying efficiency height, energy utilization are abundant and dry abundant.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides an automatic coal drying device, which comprises a shell arranged obliquely and a driving piece arranged at the bottom of the shell, wherein the driving piece is used for driving the shell to vibrate; a dust outlet is formed in the bottom of the shell between the air distribution plate and the sieve plate; the top of the shell is connected with a feeding conveyor, the feeding conveyor comprises an inner cylinder and an outer cylinder which are coaxially arranged, an annular cavity is formed between the inner cylinder and the outer cylinder, the top of the shell is also externally connected with an exhaust pipeline, and the exhaust pipeline is connected into the annular cavity; coal passes through on the feeding conveyer falls into the sieve, along the sieve landing, gas sweeps the drying through the air distribution plate to the coal on the sieve, and after the drying, gas gets into annular cavity through the exhaust pipe and preheats the coal in the feeding conveyer.
In the utility model, the dry gas is used for blowing and drying the coal on the sieve plate by the air distribution plate, the dried gas enters into the annular cavity of the feeding conveyor to preheat the coal in the inner cylinder, thereby improving the drying efficiency of the coal and improving the energy utilization rate; in addition, through setting up the hood, avoid the problem of tiny particle coal jam air distributor to through setting up the dust export, collect tiny particle coal, have characteristics such as simple structure, drying efficiency height, dry abundant and energy utilization rate height.
It should be noted that, the utility model discloses in do not do specific requirement and special restriction to dry gaseous temperature and humidity, the technical staff in the field can rationally select dry gaseous temperature and humidity according to the dry requirement of coal, for example, dry gaseous is boiler exhaust high temperature flue gas, through preheating the utilization to high temperature flue gas, further improves the utility model discloses an energy utilization.
As a preferred technical scheme of the utility model, the blast cap comprises a connecting pipe, and one end of the connecting pipe is sealed by a cap; the other end of the connecting pipe is detachably connected with the through hole.
The side wall of the connecting pipe is provided with air holes.
As an optimal technical scheme of the utility model, by inner wall to outer wall of connecting pipe, the gas pocket slope is seted up downwards in the connecting pipe lateral wall.
The utility model discloses set up the gas pocket of hood into and set up downwards by inner wall to outer wall slope, further avoid the coal granule to block up the through-hole on the grid plate, in addition, through sweeping the grid plate surface, avoid the problem that grid plate surface coal granule gathers.
As a preferred technical scheme of the utility model, can dismantle connect for threaded connection.
As a preferred technical scheme of the utility model, the driving piece is including the vibration isolation spring who is located casing bottom both sides respectively to and the excitation motor who is connected with vibration isolation spring respectively.
The utility model discloses an excitation motor cooperation vibration isolation spring makes the automatic drying device's of coal casing vibrations to strengthen the flow of coal on the sieve, and dry gas is to the drying of coal.
As an optimized technical proposal of the utility model, the dust outlet is externally connected with a dust removal cloth bag.
As a preferred technical scheme of the utility model, the feeding conveyer passes through the expansion hose with the casing and is connected.
As a preferred aspect of the present invention, an included angle between the axis of the housing and the horizontal direction is 20 to 30 °, for example, the included angle is 20 °, 21 °, 22 °, 23 °, 24 °, 25 °, 26 °, 27 °, 28 °, 29 °, or 30 °, but not limited to the enumerated values, and other unrecited values in the numerical range are also applicable.
As a preferred technical scheme of the utility model, be provided with the auger delivery oar in the inner tube.
As a preferred technical scheme of the utility model, be provided with the air pump on the blast pipe way.
Exemplarily, a method for drying coal by using the automatic coal drying device is provided, and the drying method specifically comprises the following steps:
coal enters a feeding conveyor and enters a shell of an automatic coal drying device through a spiral conveying paddle, and meanwhile, dry gas is blown out by an air distribution plate to blow and dry the coal on a sieve plate;
(II) the dried high-humidity gas enters the annular cavity through an exhaust pipeline to preheat the coal in the inner cylinder;
(III) collecting the coal powder through a dust outlet according to the coal powder concentration degree between the air distribution plate and the sieve plate.
The numerical range of the present invention includes not only the point values listed above, but also any point values between the above numerical ranges not listed, which is limited to space and for the sake of brevity, the present invention does not exhaust the specific point values included in the range.
Compared with the prior art, the beneficial effects of the utility model are that:
in the utility model, the dry gas is used for blowing and drying the coal on the sieve plate by the air distribution plate, the dried gas enters into the annular cavity of the feeding conveyor to preheat the coal in the inner cylinder, thereby improving the drying efficiency of the coal and improving the energy utilization rate; in addition, through setting up the hood, avoid the problem of tiny particle coal jam air distributor to through setting up the dust export, collect tiny particle coal, have characteristics such as simple structure, drying efficiency height, dry abundant and energy utilization rate height.
Drawings
Fig. 1 is a schematic structural diagram of an automatic coal drying device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a hood according to an embodiment of the present invention.
Wherein, 1-shell; 2-sieve plate; 3-blast cap; 4-air distribution plate; 5-a feed conveyor; 6-an annular cavity; 7-dust outlet; 8-vibration isolation springs; 9-an exhaust pump; 10-a dust removal cloth bag; 11-a cap; 12-air holes; 13-connecting tube.
Detailed Description
It is to be understood that in the description of the present invention, the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
It should be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected" and "connected" in the description of the present invention are to be construed broadly, and may for example be fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
It should be understood by those skilled in the art that the present invention inevitably includes necessary pipelines, conventional valves and general pump devices for realizing the complete process, but the above contents do not belong to the main invention point of the present invention, and those skilled in the art can select types based on the process flow and the device structure to automatically add the layout, and the present invention does not have special requirements and specific limitations for the above.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In a specific embodiment, the utility model provides an automatic coal drying device, as shown in fig. 1, the automatic coal drying device comprises a housing 1 arranged obliquely and a driving part arranged at the bottom of the housing 1, the driving part is used for driving the housing 1 to vibrate, an air distribution plate 4 distributed over a through hole is arranged at the bottom in the housing 1, an air cap 3 is connected on the through hole, and a sieve plate 2 is arranged above the air distribution plate 4; a dust outlet 7 is arranged at the bottom of the shell 1 between the air distribution plate 4 and the sieve plate 2; the top of the shell 1 is connected with a feeding conveyor 5, the feeding conveyor 5 comprises an inner cylinder and an outer cylinder which are coaxially arranged, an annular cavity 6 is formed between the inner cylinder and the outer cylinder, the top of the shell 1 is externally connected with an exhaust pipeline, and the exhaust pipeline is connected into the annular cavity 6; coal falls onto the sieve plate 2 through the feeding conveyor 5 and slides along the sieve plate 2, gas sweeps and dries the coal on the sieve plate 2 through the air distribution plate 4, and after drying, the gas enters the annular cavity 6 through the exhaust pipeline to preheat the coal in the feeding conveyor 5.
In the utility model, the dry gas is used for blowing and drying the coal on the sieve plate 2 by the air distribution plate 4, the dried gas enters the annular cavity 6 of the feeding conveyer 5 to preheat the coal in the inner cylinder, thereby improving the drying efficiency of the coal and the energy utilization rate; in addition, through setting up hood 3, avoid the problem of tiny particle coal jam grid 4 to through setting up dust outlet 7, collect tiny particle coal, have characteristics such as simple structure, drying efficiency height, dry abundant and energy utilization rate height.
Further, as shown in fig. 2, the hood 3 includes a connection pipe 13, and one end of the connection pipe 13 is sealed by the cap 11; the other end of the connecting pipe 13 is detachably connected with the through hole, optionally, the detachable connection is a threaded connection. The air holes 12 are formed on the side wall of the connection pipe 13, and further, the air holes 12 are formed on the side wall of the connection pipe 13 in an inclined downward direction from the inner wall to the outer wall of the connection pipe 13.
The utility model discloses set up the gas pocket 12 of hood 3 into and set up downwards by inner wall to outer wall slope, further avoid the coal granule to block up the through-hole on the grid plate 4, in addition, through sweeping 4 surfaces of grid plate, avoid the problem that the coal granule gathers on the grid plate 4 surface.
Further, the driving member includes vibration isolation springs 8 respectively located at both sides of the bottom of the housing 1, and excitation motors respectively connected to the vibration isolation springs 8.
The utility model discloses an excitation motor cooperation vibration isolation spring 8 makes the automatic drying device of coal's 1 vibrations to strengthen the flow of coal on the sieve 2, and dry gas is to the drying of coal.
Furthermore, a dust outlet 7 is externally connected with a dust removal cloth bag 10. The feed conveyor 5 is connected to the housing 1 by a telescopic hose.
Further, the included angle between the axis of the shell 1 and the horizontal direction is 20-30 degrees.
Further, a spiral conveying paddle is arranged in the inner cylinder, and an exhaust pump 9 is arranged on the exhaust pipeline.
Exemplarily, a method for drying coal by using the automatic coal drying device is provided, and the drying method specifically comprises the following steps:
coal enters a feeding conveyor 5, enters a shell 1 of the automatic coal drying device through a spiral conveying paddle, and meanwhile, dry gas is blown out by an air distribution plate 4 to blow and dry the coal on a sieve plate 2;
(II) the dried high-humidity gas enters the annular cavity 6 through an exhaust pipeline to preheat the coal in the inner cylinder;
(III) collecting the coal powder through a dust outlet 7 according to the coal powder concentration degree between the air distribution plate 4 and the sieve plate 2.
Example 1
The embodiment provides an automatic coal drying device, the automatic coal drying device include the casing 1 that the slope set up, the axis of casing 1 is 25 with the contained angle of horizontal direction, casing 1 bottom both sides are provided with vibration isolation spring 8 to and the excitation motor who is connected with vibration isolation spring 8 respectively.
The bottom in the shell 1 is provided with an air distribution plate 4 distributed throughout the through hole, the through hole is connected with an air cap 3, the air cap 3 comprises a connecting pipe 13, air holes 12 are distributed throughout the side wall of the connecting pipe 13, the air holes 12 are obliquely and downwards arranged on the side wall of the connecting pipe 13 from the inner wall to the outer wall of the connecting pipe 13, and one end of the connecting pipe 13 is sealed through a cap 11; the other end of the connecting pipe 13 is connected with the through hole in a threaded manner. A sieve plate 2 is arranged above the air distribution plate 4; between the air distribution plate 4 and the sieve plate 2, the bottom of the shell 1 is provided with a dust outlet 7, and the dust outlet 7 is externally connected with a dust removal cloth bag 10.
The top of the shell 1 is connected with a feeding conveyor 5 through a flexible hose, the feeding conveyor 5 comprises an inner cylinder and an outer cylinder which are coaxially arranged, an annular cavity 6 is formed between the inner cylinder and the outer cylinder, and a spiral conveying paddle is arranged inside the inner cylinder.
The top of the shell 1 is also externally connected with an exhaust pipeline, an exhaust pump 9 is arranged on the exhaust pipeline, and the exhaust pipeline is connected into the annular cavity 6.
Coal falls onto the sieve plate 2 through the feeding conveyor 5 and slides along the sieve plate 2, gas sweeps and dries the coal on the sieve plate 2 through the air distribution plate 4, and after drying, the gas enters the annular cavity 6 through the exhaust pipeline to preheat the coal in the feeding conveyor 5.
Example 2
The embodiment provides an automatic coal drying device, which is based on the automatic coal drying device in embodiment 1, wherein an included angle between the axis of the shell 1 and the horizontal direction is 20 degrees.
Example 3
The embodiment provides an automatic coal drying device, which is based on the automatic coal drying device in embodiment 1, wherein an included angle between the axis of the shell 1 and the horizontal direction is 30 degrees.
In the utility model, the dry gas is used for blowing and drying the coal on the sieve plate 2 by the air distribution plate 4, the dried gas enters the annular cavity 6 of the feeding conveyer 5 to preheat the coal in the inner cylinder, thereby improving the drying efficiency of the coal and the energy utilization rate; in addition, through setting up hood 3, avoid the problem of tiny particle coal jam grid 4 to through setting up dust outlet 7, collect tiny particle coal, have characteristics such as simple structure, drying efficiency height, dry abundant and energy utilization rate height.
The applicant states that the above description is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present invention are within the protection scope and the disclosure scope of the present invention.
Claims (10)
1. The automatic coal drying device is characterized by comprising a shell and a driving piece, wherein the shell is obliquely arranged, the driving piece is arranged at the bottom of the shell and is used for driving the shell to vibrate, an air distribution plate is arranged at the bottom in the shell and distributed over a through hole, an air cap is connected to the through hole, and a sieve plate is arranged above the air distribution plate; a dust outlet is formed in the bottom of the shell between the air distribution plate and the sieve plate;
the top of the shell is connected with a feeding conveyor, the feeding conveyor comprises an inner cylinder and an outer cylinder which are coaxially arranged, an annular cavity is formed between the inner cylinder and the outer cylinder, the top of the shell is also externally connected with an exhaust pipeline, and the exhaust pipeline is connected into the annular cavity;
coal passes through on the feeding conveyer falls into the sieve, along the sieve landing, gas sweeps the drying through the air distribution plate to the coal on the sieve, and after the drying, gas gets into annular cavity through the exhaust pipe and preheats the coal in the feeding conveyer.
2. The automatic coal drying device of claim 1, wherein the hood comprises a connecting pipe, one end of the connecting pipe is sealed by a cover cap; the other end of the connecting pipe is detachably connected with the through hole;
the side wall of the connecting pipe is provided with air holes.
3. The automatic coal drying device according to claim 2, wherein the air holes are formed in the side wall of the connecting pipe from the inner wall to the outer wall of the connecting pipe in an inclined manner.
4. The automatic coal drying device of claim 2, wherein the detachable connection is a threaded connection.
5. The automatic coal drying device of claim 1, wherein the driving member comprises vibration isolation springs respectively located at both sides of the bottom of the housing, and vibration excitation motors respectively connected to the vibration isolation springs.
6. The automatic coal drying device of claim 1, wherein the dust outlet is externally connected with a dust removal cloth bag.
7. The automatic coal drying apparatus of claim 1, wherein the feed conveyor is connected to the housing by a flexible hose.
8. The automatic coal drying device of claim 1, wherein an included angle between the axis of the shell and the horizontal direction is 20-30 degrees.
9. The automatic coal drying device of claim 1, wherein a screw conveying paddle is arranged in the inner cylinder.
10. The automatic coal drying device according to claim 1, wherein an exhaust pump is provided on the exhaust pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120367500.4U CN214371592U (en) | 2021-02-07 | 2021-02-07 | Automatic drying device of coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120367500.4U CN214371592U (en) | 2021-02-07 | 2021-02-07 | Automatic drying device of coal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214371592U true CN214371592U (en) | 2021-10-08 |
Family
ID=77964818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120367500.4U Expired - Fee Related CN214371592U (en) | 2021-02-07 | 2021-02-07 | Automatic drying device of coal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214371592U (en) |
-
2021
- 2021-02-07 CN CN202120367500.4U patent/CN214371592U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211008 |
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| CF01 | Termination of patent right due to non-payment of annual fee |