CN104668074B - A kind of coal dust exsiccator - Google Patents
A kind of coal dust exsiccator Download PDFInfo
- Publication number
- CN104668074B CN104668074B CN201510085465.6A CN201510085465A CN104668074B CN 104668074 B CN104668074 B CN 104668074B CN 201510085465 A CN201510085465 A CN 201510085465A CN 104668074 B CN104668074 B CN 104668074B
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- China
- Prior art keywords
- cavity
- piston
- dried
- cylinder
- coal dust
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Drying Of Solid Materials (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The present invention relates to a kind of coal dust exsiccator, including negative pressure cavity and cavity is dried, negative pressure cavity is arranged on and is dried cavity top and connects with cavity is dried；Include a piston component in negative pressure cavity, piston component includes a bottom and is dried the piston/cylinder that cavity is connected, and a piston is slidably connected in piston/cylinder, and a check valve A is provided with the side wall of piston/cylinder bottom；It is dried cavity inside and is provided with a pulverized coal grinding component, a feed hopper is provided with being dried at the top of cavity, the bottom for being dried cavity is provided with a hopper, a closing valve A is connected with feed hopper, a closing valve B is connected with hopper, some relief holes are densely covered with abrasive sheet, it is dried between cavity and piston/cylinder and is connected by check valve B, by the evacuation structure of a negative-pressure type, realize the separation to water droplet in coal dust and other mixed gas, discharge after separating again, whole drying process takes short.
Description
Technical field
The present invention relates to a kind of coal dust exsiccator, belongs to fluidization boiler auxiliary equipment field.
Background technology
The automatic sample of coal is current developing direction.
General coal sample is finally made granularity less than the one of 0.2mm through processes such as broken, mixing, division, drying, powder processed
As analysis test coal sample.Sample making course is divided into 13mm samples processed -6mm samples processed -3mm samples processed -0.2mm samples processed, these stages.
Whole sample making courses are unattended, are automatically performed, i.e. automatic sample.
Coal sample powder refers exclusively to the sample making course from 3mm samples to 0.2mm samples., in powder, adhesiveness is strong, easily for 0.2mm samples
Absorption is on the top layer of flour mill.Aqueous high powder sample cannot be removed from absorption surface, during causing to contact automatic sample, in front and back
Coal sample mixes, sample preparation failure.Therefore before coal sample powder, it is necessary to do dried to 3mm samples, this is continuous automatic sample
One key point.
At present, the drying proposal of coal sample has air-dried, heat drying and microwave drying.Wherein, it is a kind of primitive nature to air-dry
Dry technology, the time is long, and coal sample top layer and internally dry degree are uneven, are not suitable for online dry；Microwave drying, heating
Hurry up, be heated evenly, be adapted to online dry.Microwave drying is not suitable for part coal, such as the high anthracite of conductivity.In addition because
Microwave can not control coal sample internal temperature, and part coal sample may oxidation in microwave drying process；Heat drying, heat conduction
Slowly, as heating water is transmitted to coal sample again, the efficiency of heating surface is low, and heat conductive contact part and non-contact part degree of drying are uneven,
Drying time is long, is not suitable for continuous online dry.
In sum, online dry coal sample how is realized, becomes those skilled in the art's technical problem urgently to be resolved hurrily.
In a kind of " ZL201320659673.9 " entitled documents of coal dust drying device, although which passes through one
The production line structure of conveyer belt solve the problems, such as in prior art cannot canbe used on line coal sample be dried, but which still exists very
Many problems, such as：Transmission strip length is larger, coal dust be easy to occur in transportation it is secondary make moist, and efficiency of utilization
Nor very high.
The content of the invention
The technical problem to be solved in the present invention is：Overcome the low technology of coal dust online dry efficiency comparison in prior art
Problem, there is provided the coal dust exsiccator of modified form.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of coal dust exsiccator, including negative pressure cavity and cavity is dried, the negative pressure cavity is arranged on and is dried cavity top
And connect with cavity is dried；
The negative pressure cavity includes a piston component, and the piston component includes a bottom and is dried what cavity was connected
Piston/cylinder, slidably connects a piston in the piston/cylinder, is provided with the side wall of the piston/cylinder bottom
One check valve A；
The cavity inside that is dried is provided with a pulverized coal grinding component, and the pulverized coal grinding component includes a gripper shoe
With an abrasive sheet, the abrasive sheet is arranged on the top of gripper shoe, and the gripper shoe is fixed on and is dried in cavity, the grinding
Plate is connected with rotating in the middle part of gripper shoe by a rotary shaft, and the rotary shaft is reached and is dried outside cavity, with motor A
It is connected, described drying at the top of cavity is provided with a feed hopper, the discharge gate of the feed hopper is located at abrasive sheet
Top, is provided with a hopper in the bottom for being dried cavity, is connected with a closing valve A, in institute on the feed hopper
State；
The gripper shoe is a circular closed plate, and some relief holes are densely covered with the abrasive sheet；
Described drying between cavity and piston/cylinder is connected by check valve B；
, dorsad inside piston/cylinder, the communication direction of the check valve B is towards piston cylinder for the communication direction of the check valve A
Internal portion.
Used as the further innovation of the present invention, in the gripper shoe, annular array is provided with some raised ribs, the projection
The axis of muscle is located on the radial direction of gripper shoe.
Used as the further innovation of the present invention, the abrasive sheet is made using elastomeric material.
Used as the further innovation of the present invention, check valve B includes that one is arranged on piston/cylinder and is dried between cavity
Demarcation strip, the demarcation strip are provided with some closed covers towards the side of piston/cylinder, and the closed cover is turned with demarcation strip
Dynamic connection, is provided with steam vent in the position of demarcation strip correspondence closed cover.
As the further innovation of the present invention, a filtration is fixed with the demarcation strip dorsad side of piston/cylinder
Net.
As the further innovation of the present invention, an ash discharge blower fan on the hopper, is also associated with, the closing valve B sets
Put between blower fan and hopper.
As the further innovation of the present invention, one is provided with towards the inclined row of hopper in the cavity bottom that is dried
Flitch.
Used as the further innovation of the present invention, the coal dust exsiccator is also included for driving the driving group of piston component
Part；The drive component includes a rotation dish, is rotatably connected to a moving block, on the moving block in the rotation dish
A rotating bar is rotatably connected to, the rotating bar other end is connected with piston rotation, the rotation dish drives electricity by one
Machine B rotates in fixed axis.
The invention has the beneficial effects as follows：
1st, evacuation structure of the present invention by a negative-pressure type, realization are divided to water droplet in coal dust and other mixed gas
From, then after separating discharge, whole drying process take it is short, when can be effectively used for coal processed online, the drying of coal dust, while this
Invention causes coal dust to spread out on the supporting plate by a grinding mechanism, increases the surface area of whole coal dust, improves drying
Efficiency.
2nd, the raised ribs in gripper shoe effectively can be ground to coal dust, improve the granulating degree of coal dust.
3rd, elastic abrasive sheet can be prevented as coal dust block is excessive, much higher hard and caused gripper shoe and abrasive sheet
Scratch, improve the life-span of equipment.
4th, the one-way valve mechanism of cover plate shape, with lower flow resistance, and compared to traditional pipeline valve type mechanism,
It is more difficult that blocking occurs because of the accumulation of flyash.
5th, drainage screen can prevent flyash to be inhaled in piston/cylinder, cause the pollution of piston/cylinder, affect piston
Normal movement.
6th, ash discharge blower fan can improve the rate travel of coal dust, prevent coal effectively by coal dust from extraction in cavity is dried
Powder is being dried cavity inside alluvial.
7th, marker board can utilize gravity, and coal dust is moved to the oral area of hopper to a certain extent, coal is further prevented
Powder is in the accumulation being dried in cavity.
8th, driving of the present invention by simple reciprocator's realization to piston, fault rate are low, with low cost.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of gripper shoe；
Fig. 3 is the structural representation of abrasive sheet；
Fig. 4 is the structural representation of drive component of the present invention；
Figure includes：Piston 1, piston/cylinder 2, check valve A3, closed cover 4, demarcation strip 5, closing valve A6, feed hopper 7,
Hopper 8, ash discharge blower fan 9, check valve B10, it is dried cavity 11, abrasive sheet 12, gripper shoe 13, rotary shaft 14, marker board 15, convex
Play muscle 16, relief hole 17, rotation dish 18, moving block 19, rotating bar 20.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are simplified schematic diagram, only with
The basic structure of the illustration explanation present invention, therefore which only shows the composition relevant with the present invention.
As shown in Fig. 1 ~ 4, the present invention is a kind of coal dust exsiccator, including negative pressure cavity, is dried cavity 11 and drive component,
The negative pressure cavity is arranged on and is dried 11 top of cavity and connects with cavity 11 is dried；
Include a piston component in the negative pressure cavity, the piston component includes that a bottom connects with cavity 11 is dried
Logical piston/cylinder 2, slidably connects a piston 1, in the piston/cylinder 2 in the side wall of 2 bottom of the piston/cylinder
On be provided with a check valve A3；
The cavity 11 that is dried is internally provided with a pulverized coal grinding component, and the pulverized coal grinding component includes a support
Plate 13 and an abrasive sheet 12, the abrasive sheet 12 are arranged on the top of gripper shoe 13, and in the gripper shoe 13, annular array sets
Some raised ribs 16 are equipped with, the axis of the raised ribs 16 is located on the radial direction of gripper shoe 13, and the gripper shoe 13 is one
Individual circular closed plate, is densely covered with some relief holes 17 on the abrasive sheet 12, the abrasive sheet 12 is made using elastomeric material；
The gripper shoe 13 is fixed on and is dried in cavity 11, and the abrasive sheet 12 is by a rotary shaft 14 and gripper shoe 13
Middle part rotates connection, and the rotary shaft 14 is reached and is dried outside cavity 11, is connected with motor A, in the drying
The top of cavity 11 is provided with a feed hopper 7, and the discharge gate of the feed hopper 7 is located at the top of abrasive sheet 12, described dry
The bottom of dry cavity 11 is provided with a hopper 8, is connected with a closing valve A6, in the hopper 8 on the feed hopper 7
On be connected with a closing valve B；
Described drying between cavity 11 and piston/cylinder 2 is connected by check valve B10；
, dorsad inside piston/cylinder 2, the communication direction direction of the check valve B10 is living for the communication direction of the check valve A3
Inside plug cylinder body 2；
Check valve B10 includes a demarcation strip 5 for being arranged on piston/cylinder 2 and being dried between cavity 11, the demarcation strip 5
The side of piston/cylinder 2 is provided with some closed covers 4, the closed cover 4 is rotated with demarcation strip 5 and is connected, described
The position of the correspondence closed cover 4 of demarcation strip 5 is provided with steam vent, fixed on the demarcation strip 5 dorsad side of piston/cylinder 2
There is a drainage screen；
Be also associated with an ash discharge blower fan 9 on the hopper 8, the closing valve B be arranged on blower fan and hopper 8 it
Between；
One is provided with towards 8 inclined marker board 15 of hopper in 11 bottom of cavity that is dried；
The drive component includes a rotation dish 18, and a moving block 19 is rotatably connected in the rotation dish 18,
A rotating bar 20 is rotatably connected on the moving block 19,20 other end of the rotating bar is rotated with piston 1 and is connected, described turn
Moving plate 18 is rotated in fixed axis by a motor B；
When in use, including following several processes：
1st, now close valve B, check valve A3 to open, check valve B10 and closing valve A6 are opened, and now piston 1 moves to cylinder
The bottom of body, cylinder interior air volume are 0；
Coal dust and it is dried hot-air and enters grey blower fan by one and be drained into via feed hopper 7 to be dried in cavity 11, Jing Guoyan
Relief hole 17 on nog plate 12 is fallen between abrasive sheet 12 and gripper shoe 13, and coal dust passes through grinding, in 13 surface exhibition of gripper shoe
Open.
2nd, now close closing valve A6 and closing valve B, check valve B10 are in open mode, check valve A3 is in and closes shape
State, now starts drive component so that piston 1 is above carried, and the steam in coal dust is suctioned out by negative pressure, and is dried hot-air and is then returned again
Fill out in the gap of coal dust, realize drying to coal dust, while under the rotary action of abrasive sheet 12 and gripper shoe 13, coal dust from
The edge of gripper shoe 13 is dropped to and is dried 11 bottom of cavity.
3rd, after piston 1 above proposes end, closing valve A6 is gradually opened, after closing valve A6 is fully opened, opens closing valve B,
So that coal dust to be dried and be dried hot-air and be added into again and be dried in cavity 11, and the coal dust after the completion of being dried is then by ash discharge wind
Machine 9 is discharged, and is finally blown in burner hearth.
4th, when piston 1 arrives peak, a recompression motion can be done, now check valve B10 is closed, and check valve A3 is opened,
Drying air with steam is discharged to outside piston/cylinder 2 dry run for realizing a coal dust via check valve A3.
With the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Various change and modification can be carried out in the range of without departing from this invention technological thought entirely.The technology of this invention
Property scope is not limited to the content in description, it is necessary to its technical scope is determined according to right.
Claims (6)
1. a kind of coal dust exsiccator, is characterized in that：It is arranged on and is dried sky with cavity, the negative pressure cavity is dried including negative pressure cavity
Chamber top and connect with cavity is dried；
The negative pressure cavity includes a piston component, and the piston component includes a bottom and is dried the piston that cavity is connected
Cylinder body, slidably connects a piston in the piston/cylinder, on the side wall of the piston/cylinder bottom is provided with one
Check valve A；
The cavity inside that is dried is provided with a pulverized coal grinding component, and the pulverized coal grinding component includes a gripper shoe and one
Individual abrasive sheet, the abrasive sheet are arranged on the top of gripper shoe, and the gripper shoe is fixed on and is dried in cavity, and the abrasive sheet leads to
Cross a rotary shaft and be connected with rotating in the middle part of gripper shoe, the rotary shaft is reached and is dried outside cavity, be driven with motor A
Connection, is provided with a feed hopper in described drying at the top of cavity, and the discharge gate of the feed hopper is located at the top of abrasive sheet,
The bottom for being dried cavity is provided with a hopper, a closing valve A is connected with the feed hopper, in the discharge
A closing valve B is connected with bucket；
The gripper shoe is a circular closed plate, and some relief holes are densely covered with the abrasive sheet；
Described drying between cavity and piston/cylinder is connected by check valve B；
, dorsad inside piston/cylinder, the communication direction of the check valve B is towards in piston/cylinder for the communication direction of the check valve A
Portion；Check valve B includes that one is arranged on piston/cylinder and the demarcation strip being dried between cavity, and the demarcation strip is towards piston/cylinder
Side be provided with some closed covers, the closed cover is rotated with demarcation strip and be connected, in the corresponding closing cap of the demarcation strip
The position of plate is provided with steam vent；
An ash discharge blower fan is also associated with the hopper, the closing valve B is arranged between blower fan and hopper.
2. a kind of coal dust exsiccator as claimed in claim 1, is characterized in that：In the gripper shoe, annular array is provided with some
Raised ribs, the axis of the raised ribs are located on the radial direction of gripper shoe.
3. a kind of coal dust exsiccator as claimed in claim 2, is characterized in that：The abrasive sheet is made using elastomeric material.
4. a kind of coal dust exsiccator as claimed in claim 1, is characterized in that：In the side of the demarcation strip dorsad piston/cylinder
On be fixed with a drainage screen.
5. a kind of coal dust exsiccator as claimed in claim 1, is characterized in that：The cavity bottom that is dried is provided with a court
To the inclined marker board of hopper.
6. a kind of coal dust exsiccator as claimed in claim 1, is characterized in that：The coal dust exsiccator is also included for driving work
The drive component of plug assembly；The drive component includes a rotation dish, and a rotation is rotatably connected in the rotation dish
Block, is rotatably connected to a rotating bar on the moving block, the rotating bar other end is connected with piston rotation, the rotation dish
Rotated in fixed axis by a motor B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510085465.6A CN104668074B (en) | 2015-02-17 | 2015-02-17 | A kind of coal dust exsiccator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510085465.6A CN104668074B (en) | 2015-02-17 | 2015-02-17 | A kind of coal dust exsiccator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104668074A CN104668074A (en) | 2015-06-03 |
| CN104668074B true CN104668074B (en) | 2017-04-05 |
Family
ID=53303965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510085465.6A Active CN104668074B (en) | 2015-02-17 | 2015-02-17 | A kind of coal dust exsiccator |
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| Country | Link |
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| CN (1) | CN104668074B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107166884A (en) * | 2017-07-19 | 2017-09-15 | 唐晓磊 | Vacuum freeze drier |
| CN112629173B (en) * | 2020-12-21 | 2022-07-12 | 贵州林联工程咨询有限公司 | Forestry seed drying apparatus |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2510153Y (en) * | 2001-11-22 | 2002-09-11 | 尤晓栋 | Multifunctional filtering and drying machine |
| CN2898741Y (en) * | 2006-02-10 | 2007-05-09 | 万荣辉 | Vacuum drier with agitating crusher |
| CN103639029A (en) * | 2013-12-14 | 2014-03-19 | 周伯雅 | Plant powder processing device |
| CN203744681U (en) * | 2013-10-24 | 2014-07-30 | 长沙开元仪器股份有限公司 | Pulverized coal drying device |
| CN203874871U (en) * | 2013-12-14 | 2014-10-15 | 周伯雅 | Processing device for plant powder |
| CN204503283U (en) * | 2015-02-17 | 2015-07-29 | 无锡昊瑜节能环保设备有限公司 | A kind of coal dust drier |
-
2015
- 2015-02-17 CN CN201510085465.6A patent/CN104668074B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2510153Y (en) * | 2001-11-22 | 2002-09-11 | 尤晓栋 | Multifunctional filtering and drying machine |
| CN2898741Y (en) * | 2006-02-10 | 2007-05-09 | 万荣辉 | Vacuum drier with agitating crusher |
| CN203744681U (en) * | 2013-10-24 | 2014-07-30 | 长沙开元仪器股份有限公司 | Pulverized coal drying device |
| CN103639029A (en) * | 2013-12-14 | 2014-03-19 | 周伯雅 | Plant powder processing device |
| CN203874871U (en) * | 2013-12-14 | 2014-10-15 | 周伯雅 | Processing device for plant powder |
| CN204503283U (en) * | 2015-02-17 | 2015-07-29 | 无锡昊瑜节能环保设备有限公司 | A kind of coal dust drier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104668074A (en) | 2015-06-03 |
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Effective date of registration: 20171114 Address after: 6 417A room, building No. 1188, west two ring road, Shengze Town, Wujiang District, Jiangsu, Suzhou, 215228 Patentee after: Suzhou hair textile Co., Ltd. Address before: 214181 Huishan, Jiangsu province Weir Road, No. 17, No. Patentee before: WUXI HAOYU ENERGY SAVING ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD. |
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Effective date of registration: 20181009 Address after: 215200 No. 1188 west two ring road, Shengze Town, Wujiang District, Suzhou, Jiangsu. Patentee after: Suzhou Shengze science and Technology Pioneer Park Development Co., Ltd. Address before: 215228 417A, 6 building, 1188 west two ring road, Shengze Town, Wujiang District, Suzhou, Jiangsu. Patentee before: Suzhou hair textile Co., Ltd. |