CN206269549U - A kind of low-order coal vibration separation drying equipment - Google Patents
A kind of low-order coal vibration separation drying equipment Download PDFInfo
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- CN206269549U CN206269549U CN201621305335.5U CN201621305335U CN206269549U CN 206269549 U CN206269549 U CN 206269549U CN 201621305335 U CN201621305335 U CN 201621305335U CN 206269549 U CN206269549 U CN 206269549U
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Abstract
The utility model discloses a kind of low-order coal vibration separation drying equipment, belong to drying equipment technical field, equipment includes frame, casing, charging aperture, heat smoke air inlet, air-flow disperser, vibrator, motor, connecting shaft, big mesh screen plate, middle sieve aperture sieve plate, small sieve aperture sieve plate, pendulum spring, discharge gate, degasification dedusting negative pressure device, gas-solid separator.Raw coal from charging aperture into casing after fall on compass screen surface, wherein compass screen surface is set with 5 °~15 ° inclination angles and aperture is incremented by from charging aperture to discharge gate direction, is vibrated in the presence of vibrator, the concurrent level estranged of raw coal mixed flow on compass screen surface.Simultaneously, heat smoke enters box house after air-flow disperser, raw coal to size fractionated is dried, the complete raw coal of drying enters discharge gate after sieving thoroughly, enter gas-solid separator after gas and the deaerated dedusting negative pressure device of dust, it is achieved thereby that the classification drying of different grain size particle, it is to avoid coarse grained dry not enough and fine grained transition dries problem.
Description
Technical field
The utility model is related to a kind of low-order coal drying equipment method, and especially a kind of raising low-order coal that is applied to is in boiler
The low-order coal vibration separation drying equipment of burning.
Background technology
Low-order coal is cheap, but water content is generally between 30%~60%.The low-order coal of high water content is in boiler
During burning, the moisture that 20%~25% combustion heat be used to evaporate in coal causes boiler thermal output low.Additionally, water content is higher
Coal freezeout can be caused due to low temperature in transportation.Therefore, answered to improve low-order coal utilization ratio and expanding it
Be devoted to studying low-order coal drying equipment with, each research institution, con-ventional drying equipment by the low-order coal of different-grain diameter with it is certain
The dry gas of temperature directly mix contact drying, because low-order coal particle diameter difference is larger, dry to the complete time, from
And cause coarse granule to dry the problem that not enough, fine grained is over-drying or even is pyrolyzed, while causing system potential safety hazard.
Utility model content
Technical problem：The purpose of this utility model is to overcome weak point of the prior art, there is provided a kind of simple structure,
Low-order coal vibration point that is easy to operate, improving boiler thermal output, solve the problems such as low-order coal index of aridity is low, sample is heated uneven
Level drying equipment.
Technical scheme：To achieve the above object, low-order coal vibration separation drying equipment of the present utility model, including frame,
Casing, charging aperture, heat smoke air inlet, air-flow disperser, vibrator, motor, connecting shaft, sieve plate, pendulum spring, discharge
Mouth, degasification dedusting negative pressure device, gas-solid separator；Described casing is located in frame, and casing is sequentially arranged above low-order coal
Raw coal charging aperture, heat smoke air inlet and air-flow disperser；The sieve plate fixed through pendulum spring is provided with casing, sieve plate top
Vibrator is provided with casing central space, being connected with the motor being located in frame for vibrator drives vibrator by motor
Exciting force is produced, connecting shaft is provided between vibrator and sieve plate；Described sieve plate successively by big mesh screen plate, middle sieve aperture sieve plate and
Small sieve aperture sieve plate is formed by connecting；The discharge that size fractionated dries raw coal is collected positioned at being respectively arranged below with for different sieve aperture sieve plates
Mouthful, degasification dedusting negative pressure device is installed in the side of discharge gate.Gas and dust granules are preliminary under suction function to complete dry
Dry raw coal is discharged after entering gas-solid separator treatment after being separated with fuel gas and dust.
The aperture of described big mesh screen plate, middle sieve aperture sieve plate and small sieve aperture sieve plate is respectively：25mm, 13mm and 6mm.
The big mesh screen plate, it is welded between middle sieve aperture sieve plate and small sieve aperture sieve plate, the inclination angle of different sieve plates is at 5 °
Between~15 °, the inclination angle of the inclination angle of sieve plate from charging aperture to discharge gate is successively decreased.
The big mesh screen plate, middle sieve aperture sieve plate and small sieve aperture sieve plate are provided with the card of the different height for being conveniently replaceable compass screen surface
Groove.
Described heat smoke air inlet is multiple.
Filter screen is installed between described degasification dedusting negative pressure device and discharge gate, to avoid the discharge to bulky grain raw coal
Impact.
Beneficial effect, due to using above-mentioned technical proposal, the utility model is dried to low-order coal raw coal, realizes dry
Dry is carried out continuously, improve dry efficiency, it is to avoid due to high-temperature gas and coarse granule drying time is not enough, fine grained is done
The problem that dry overlong time is caused.Cause particle motion gradually to slow down because screen angle successively decreases from charging aperture to discharge gate, fill
Dividing makes coarse granule raw material be contacted with heat smoke, it is ensured that the drying of coarse granule raw material is complete.Traditional low-order coal is solved to dry
The low-order coal vibration separation drying equipment of the problems such as rate is low, sample is heated uneven.Its major advantage has：
1. under exciting force effect, particle is presented a kind of mixed flow state, and particle is fully contacted with heat smoke, it is ensured that
The being heated evenly property of grain, fine grained is discharged through different sieve apertures, it is to avoid fine grain to cross heated drying, improves drying process
In security；
2. the continuity fed in low-order coal drying process is realized, and dried raw coal is classified, increased
Upgrading is carried out to raw coal while equipment treating capacity；
3. the casing top of equipment is provided with multiple heat smoke air inlets, it is possible thereby to according to the drying regime of raw coal, regulation
The intake air temperature of flue gas, flow, so as to improve the utilization rate of energy, reduce the useless energy consumption in drying process；
4. stream flow velocity of the low-order coal in casing is mainly determined jointly by exciting force and exciting force direction and sieve plate angle
It is fixed, thus, coarse grained drying can be ensured by adjusting stream flow velocity complete.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic diagram of sieve-plate structure of the present utility model.
In figure：1- frames；2- casings；3- charging apertures；4- heat smoke air inlets；5- air-flow dispersers；6- vibrators；7- electricity
Motivation；8- connecting shafts；The big mesh screen plates of 9-；Sieve aperture sieve plate in 10-；The small sieve aperture sieve plates of 11-；12- pendulum springs；13- discharge gates；
14- degasification dedusting negative pressure devices；15- gas-solid separators.
Specific embodiment
The utility model will be further described for embodiment in below in conjunction with the accompanying drawings：
Low-order coal vibration separation drying equipment of the present utility model, is mainly entered by frame 1, casing 2, charging aperture 3, heat smoke
Gas port 4, air-flow disperser 5, vibrator 6, motor 7, connecting shaft 8, sieve plate, pendulum spring 12, discharge gate 13, degasification dedusting are born
Pressure device 14, gas-solid separator 15 are constituted；Described casing 2 is located in frame 1, casing 2 to be sequentially arranged above low-order coal former
Coal charging aperture 3, heat smoke air inlet 4 and air-flow disperser 5；Described heat smoke air inlet 4 is multiple, is 5 shown in figure,
Number can as needed be determined.According to the situation for drying raw coal, the heat smoke passed through in adjustable each heat smoke air inlet
Temperature.The sieve plate fixed through pendulum spring 12 is provided with casing 2, vibrator 6 is provided with the central space of casing 2 on sieve plate top,
Being connected with the motor 7 being located in frame for vibrator 6, drives vibrator 6 to produce exciting force, vibrator 6 and sieve by motor 7
Connecting shaft 8 is provided between plate；Described sieve plate is welded by big mesh screen plate 9, middle sieve aperture sieve plate 10 and small sieve aperture sieve plate 11 successively
Form, between 5 °~15 °, the inclination angle of the inclination angle of sieve plate from charging aperture to discharge gate is successively decreased at the inclination angle of different sieve plates.Described
The aperture of big mesh screen plate 9, middle sieve aperture sieve plate 10 and small sieve aperture sieve plate 11 is respectively：25mm, 13mm and 6mm, big mesh screen plate
9th, middle sieve aperture sieve plate 10 and small sieve aperture sieve plate 11 are provided with the draw-in groove of the different height for being conveniently replaceable compass screen surface.Positioned at different mesh screens
The discharge gate 13 that size fractionated dries raw coal is collected in being respectively arranged below with for plate, and degasification dedusting is provided with the side of discharge gate 13
Negative pressure device 14, filter screen is provided between degasification dedusting negative pressure device 14 and discharge gate 13, to avoid the row to bulky grain raw coal
Material is impacted.Gas and dust granules are preliminary under suction function to be completed to dry after raw coal is separated with fuel gas and dust into gas
Discharged after the treatment of solid separator 15.
Claims (6)
1. a kind of low-order coal vibration separation drying equipment, it is characterised in that：It includes frame（1）, casing（2）, charging aperture（3）、
Heat smoke air inlet（4）, air-flow disperser（5）, vibrator（6）, motor（7）, connecting shaft（8）, sieve plate, pendulum spring
（12）, discharge gate（13）, degasification dedusting negative pressure device（14）, gas-solid separator（15）；Described casing（2）It is located at frame（1）
On, casing（2）Be sequentially arranged above low-order coal raw coal charging aperture（3）, heat smoke air inlet（4）And air-flow disperser（5）；Case
Body（2）Inside it is provided with through pendulum spring（12）Fixed sieve plate, the casing on sieve plate top（2）Vibrator is provided with central space（6）,
Vibrator（6）Be located at frame（1）On motor（7）It is connected, by motor（7）Drive vibrator（6）Exciting force is produced, is swashed
Shake device（6）Connecting shaft is provided between sieve plate（8）；Described sieve plate is successively by big mesh screen plate（9）, middle sieve aperture sieve plate（10）With
Small sieve aperture sieve plate（11）It is formed by connecting；The row that size fractionated dries raw coal is collected positioned at being respectively arranged below with for different sieve aperture sieve plates
Material mouth（13）, in discharge gate（13）Side degasification dedusting negative pressure device is installed（14）, gas and dust granules are made in negative pressure
Dried with lower preliminary completion and enter gas-solid separator after raw coal is separated with fuel gas and dust（15）Discharged after treatment.
2. a kind of low-order coal vibration separation drying equipment according to claim 1, it is characterised in that：Described big mesh screen
Plate（9）, middle sieve aperture sieve plate（10）With small sieve aperture sieve plate（11）Aperture be respectively：25mm, 13mm and 6mm.
3. a kind of low-order coal vibration separation drying equipment according to claim 1 and 2, it is characterised in that：The big sieve aperture
Sieve plate（9）, middle sieve aperture sieve plate（10）With small sieve aperture sieve plate（11）Between be welded, the inclination angle of different sieve plates 5 °~15 ° it
Between, the inclination angle of the inclination angle of sieve plate from charging aperture to discharge gate is successively decreased.
4. a kind of low-order coal vibration separation drying equipment according to claim 1 and 2, it is characterised in that：The big sieve aperture
Sieve plate（9）, middle sieve aperture sieve plate（10）With small sieve aperture sieve plate（11）It is provided with the draw-in groove of the different height for being conveniently replaceable compass screen surface.
5. a kind of low-order coal vibration separation drying equipment according to claim 1, it is characterised in that：Described heat smoke enters
Gas port（4）It is multiple.
6. a kind of low-order coal vibration separation drying equipment according to claim 1, it is characterised in that：Described degasification dedusting
Negative pressure device（14）With discharge gate（13）Between filter screen is installed, to avoid impacting the discharge of bulky grain raw coal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621305335.5U CN206269549U (en) | 2016-11-30 | 2016-11-30 | A kind of low-order coal vibration separation drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621305335.5U CN206269549U (en) | 2016-11-30 | 2016-11-30 | A kind of low-order coal vibration separation drying equipment |
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| Publication Number | Publication Date |
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| CN206269549U true CN206269549U (en) | 2017-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621305335.5U Active CN206269549U (en) | 2016-11-30 | 2016-11-30 | A kind of low-order coal vibration separation drying equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108889436A (en) * | 2018-09-10 | 2018-11-27 | 中国矿业大学 | A kind of drying, breakage integrated device and application method |
| CN113909113A (en) * | 2020-07-08 | 2022-01-11 | 中冶长天国际工程有限责任公司 | Method and system for accurately removing dust |
| CN113941214A (en) * | 2020-07-17 | 2022-01-18 | 中冶长天国际工程有限责任公司 | Tandem type activated carbon dust purification system and purification method thereof |
-
2016
- 2016-11-30 CN CN201621305335.5U patent/CN206269549U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108889436A (en) * | 2018-09-10 | 2018-11-27 | 中国矿业大学 | A kind of drying, breakage integrated device and application method |
| CN113909113A (en) * | 2020-07-08 | 2022-01-11 | 中冶长天国际工程有限责任公司 | Method and system for accurately removing dust |
| CN113941214A (en) * | 2020-07-17 | 2022-01-18 | 中冶长天国际工程有限责任公司 | Tandem type activated carbon dust purification system and purification method thereof |
| CN113941214B (en) * | 2020-07-17 | 2023-12-29 | 中冶长天国际工程有限责任公司 | Series-connection type activated carbon dust purification system and purification method thereof |
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