CN201992959U - Coal slurry drying device - Google Patents
Coal slurry drying device Download PDFInfo
- Publication number
- CN201992959U CN201992959U CN 201120061679 CN201120061679U CN201992959U CN 201992959 U CN201992959 U CN 201992959U CN 201120061679 CN201120061679 CN 201120061679 CN 201120061679 U CN201120061679 U CN 201120061679U CN 201992959 U CN201992959 U CN 201992959U
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- rotary roller
- coal slime
- input port
- roller dryer
- coal
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Abstract
The utility model discloses a coal slurry drying device, which is characterized by comprising a rotary roller drier driven by a power mechanism. A hot air source input port and a material input port are respectively arranged at the feeding end of the rotary roller drier; the hot air source input port is connected with a coal slurry drying stove through a fire path; the other end of the coal slurry drying stove is combined with a flour mill providing coal dust for the coal slurry drying stove through a pipeline; the material input port is connected with a scatter feeding machine sequentially through a spiral feeding machine and a belt feeding machine; the discharge end of the rotary roller drier is connected with a feed opening of a cyclone dust collector; a discharge opening of the cyclone dust collector is connected with a feed opening of a bag type dust collector; the cyclone dust collector and the bag type dust collector are connected with a draught fan and the rotary roller drier through air pipes to form an air current channel; and a discharge opening of the rotary roller drier, a discharge opening of the bag type dust collector and a discharge opening of the cyclone dust collector are respectively connected with a belt discharging machine.
Description
Technical field
The utility model relates to a kind of drying equipment, particularly a kind of coal slime drying device.
Background technology
Along with the raising of coal mining mechanization degree, fine coal, smalls shared ratio in raw coal is increasing, and this just makes the primary slime of thermal coal coal washery and the floating tail-coal amount of coking coal coal washery increase greatly.Coal slime has many unfavorable conditions such as high-moisture, high viscosity, high retentiveness and low heat value as the byproduct that produces in the washing process, is difficult to realize commercial Application, kept outside of the door by power consumer for a long time, and be main outlet to sell civilianly.Along with selling well day by day of present coal price, the degree of depth of coal processing and range are all in fast development, and the output of coal slime obviously rises, and the comprehensive utilization of coal slime has become the problem that presses for solution.
Summary of the invention
The purpose of this utility model provides a kind of coal slime drying device in order to solve existing weak point in the above-mentioned prior art just, device of the present utility model not only can be dried to high-moisture (25～35%), high viscosity, high retentiveness and low-calorie coal slime moisture below 12%, improve its calorific value, also have the characteristics that more science, configuration are rationally, drying efficiency is high, drying effect is good that design compared to existing technology.
The purpose of this utility model can realize by following technical proposals:
Coal slime drying device of the present utility model comprises the rotary roller dryer that is driven by actuating unit, the feed end of described rotary roller dryer is respectively arranged with hot air source input port and material input port, wherein: described hot air source input port is connected with the coal slime drying oven by quirk, the other end of coal slime drying oven (coal-fired hot-blast stove) by pipeline with provide the flour mill of coal dust to combine to the coal slime drying oven; Described material input port is successively by feed screw, belt filled machine and break up feeding machine and link to each other; Described rotary roller dryer exhaust end links to each other with the cyclone dust collectors charging aperture, the discharging opening of cyclone dust collectors links to each other with the charging aperture of sack cleaner, and described cyclone dust collectors, sack cleaner connect air-introduced machine and rotary roller dryer formation gas channel by airduct; The discharge port of the discharge port of rotary roller dryer, the discharge port of sack cleaner and cyclone dust collectors links to each other with the belt discharging machine respectively.
Cyclone dust collectors described in the utility model are as pre-cleaner, with the supporting dedusting of sack cleaner secondary, and the discharge port of the material that the two is collected by separately be transported on the belt discharging machine, and be transported to the assigned object stockpile by the belt discharging machine and put the place.
Rotary roller dryer described in the utility model is set as some workspaces along revolving cylinder axis direction branch: i.e. guide district, and next district of importing is down destroyed at the flight of set big lead angle in wet coal slime material moisture evaporation back; Clearing zone, set clearing apparatus cleaning inwall adhered materials and broken group chou piece material; Inclination lifting blade district, set inclination lifting blade makes wet coal slime be loose condition (of surface); Discharge zone, coal slime material roll-sliding is finished whole dry run to discharge gate; Described rotary roller dryer is long tubular structure, along the cylindrical shell length direction, be provided with two around cylindrical shell and run band and a bull gear that is driven by actuating unit, is used to support two two groups of support rollers that run band corresponding pedestal is installed respectively.
The utility model carries out system's control to each equipment motor respectively by set electric control cabinet.
The beneficial effects of the utility model are as follows:
1, the utility model adopts coal slime drying oven (it is better to dry special-purpose stove effect as the coal slime that adopts the separate case application) as thermal source, adopt rotary roller dryer as dry core component, employing is broken up feeding machine as drawing-in device, adopting the belt filled machine to carry feeds intake, adopt the feed screw charging, adopt the discharging of belt discharging machine, adopt cyclone dust collectors and sack cleaner as tail gas environmental protection treatment equipment, air-introduced machine is as air power plant, these equipment have combined coal slime drying system of the present utility model, have a extensive future.
2, the rotary roller dryer of the utility model employing is according to the coal slime characteristic, and inner segment design difference in functionality district had both guaranteed drying effect, has solved the sticking wall problem that most drying systems take place again.
3, the utility model has adopted sack cleaner to handle dried tail gas, and with the matching used mode of the pre-dedusting of cyclone dust collectors, both guaranteed the environmental protection dust removing effects, prolonged the service life of sack cleaner again.
4, to adopt and to break up feeding machine be the drying system feeding to the utility model, and the coal slime that will cohere into big bulk is dispersed into fritter by breaing up feeding machine, has guaranteed the normal operation of feeding system, has solved the feeding problem of sticking into bulk.
Description of drawings
Fig. 1 is floor plan of the present utility model (vertical view of Fig. 2).
Fig. 2 is front view of the present utility model (the flour mill part does not show).
Fig. 3 cuts open figure for the master of rotary roller dryer.
Fig. 4 is Fig. 3 medium dip lifting blade cross-sectional figure in district.
Fig. 5 breaks up the cross-sectional figure of clearing zone among Fig. 3.
Sequence number among Fig. 1,2,3: the 1-flour mill, the 2-coal slime is dried special-purpose stove, and 3-breaks up feeding machine, 4-belt filled machine, the 5-feed screw, 6-quirk, 7-rotary roller dryer, the 8-actuating unit, the 9-cyclone dust collectors, 10-air-introduced machine, 11-sack cleaner, 12-belt discharging machine, the 13-switch board, 14 guide districts, 15 first break up clearing zone, 16 first inclination lifting blade districts, 17 second break up clearing zone, 18 second inclination lifting blade districts, and 19 the 3rd break up clearing zone, 20 the 3rd inclination lifting blade districts, 21 discharge zones.
Fig. 6 is the structural representation of a kind of embodiment of the coal slime drying oven that the utility model adopted.
Fig. 7 is the A-A cutaway view of body of heater among Fig. 6.
Fig. 8 is the B-B cutaway view of Fig. 7.
Fig. 9 is the C-C cutaway view (structure chart of helical form air inlet duct) of Fig. 8.
Figure 10 is the A-A cutaway view of Fig. 9.
Sequence number among Fig. 6,7,8: the 1'-body of heater, the 2'-back cover, the combustion-supporting air channel of 3'-, 3-1'-cooling air channel,, the 4'-air blast, 5'-underframe, 6'-supporting track, 7'-supports support roller, the 8'-actuating unit, 9'-stopping means, 10'-ignition channel, 11'-advances the coal interface, the combustion-supporting air inlet of 12'-, 13'-sandwich-type cooling ring cavity, 14'-helical form air inlet duct.
The specific embodiment
The utility model is further described below with reference to embodiment (accompanying drawing).
As Fig. 1, shown in Figure 2, device of the present utility model comprises the rotary roller dryer 7 that is driven by actuating unit 8, the feed end of described rotary roller dryer 7 is respectively arranged with hot air source input port and material input port, wherein: described hot air source input port is connected with coal slime drying oven (coal-fired hot-blast stove) 2 by quirk 6, the other end of coal slime drying oven 2 combines with the flour mill 1 of coal dust is provided to coal slime drying oven 2 by pipeline, flour mill 1 provides to coal slime drying oven 2 by flexible pipe and wears into 50 μ m with thin coal dust, and coal slime drying oven 2 provides heat by quirk 6 to rotary roller dryer 7; Described material input port is successively by feed screw 5, belt filled machine 4 and break up feeding machine 3 and link to each other that (concrete operation principle is as follows: the bulk coal slime is broken up feeding machine 3 by input, coal slime after the dispersion is knocked down feed screw 5 by belt filled machine 4, and is transported in the rotary roller dryer 7); Described rotary roller dryer 7 exhaust ends link to each other with cyclone dust collectors 9 charging apertures, the discharging opening of cyclone dust collectors 9 links to each other with the charging aperture of sack cleaner 11, and described cyclone dust collectors, sack cleaner connect air-introduced machine 10 by airduct and constitute gas channel with rotary roller dryer; The discharge port of the discharge port of rotary roller dryer, sack cleaner 11 and the discharge port of cyclone dust collectors link to each other with belt discharging machine 12 respectively.
Cyclone dust collectors described in the utility model are as pre-cleaner, with the supporting dedusting of sack cleaner secondary, and the discharge port of the material that the two is collected by separately be transported on the belt discharging machine, and be transported to the assigned object stockpile by the belt discharging machine and put the place.
As Fig. 3, Fig. 4, shown in Figure 5, rotary roller dryer described in the utility model is set as some workspaces along revolving cylinder axis direction branch: be divided into successively: guide district 14, first breaks up that clearing zone 15, the first inclination lifting blade district 16, second are broken up clearing zone 17, clearing zone 19, the 3rd inclination lifting blade district 20, discharge zone 21 are broken up by the second inclination lifting blade district the 18, the 3rd; Wherein: the guide district act as, and wet coal slime material moisture evaporation back is copied at the flight of set big lead angle and imported next district down; Break up acting as of clearing zone, set clearing apparatus cleaning inwall adhered materials and broken group chou piece material; Inclination lifting blade district act as, and set inclination lifting blade makes wet coal slime be loose condition (of surface); Acting as of discharge zone, coal slime material roll-sliding is finished whole dry run to discharge gate.
As shown in Figure 2, described rotary roller dryer is long tubular structure, along the cylindrical shell length direction, be provided with two around cylindrical shell and run band and a bull gear that is driven by actuating unit, is used to support two two groups of support rollers that run band corresponding pedestal is installed respectively.
The utility model carries out system's control to each equipment motor respectively by set electric control cabinet 13.
Extremely shown in Figure 10 as Fig. 6, coal slime drying oven of the present utility model comprises by travelling wheel and is arranged on underframe 5' on the supporting track 6', be installed in air blast 4', body of heater 1', back cover 2' on the underframe 5', wherein said body of heater 1' is the circular hollow cylindrical shell of being made by shell body and inner lining refractory block, being provided with front end between shell body and inner lining refractory block is the sandwich-type cooling ring cavity 13' of open architecture, and the front end of body of heater is provided with conical outlet; Described body of heater 1' is used to drive the supporting support roller 7' level that body of heater 1' does gyration for two groups by the front and back that driven by actuating unit 8' and is installed in underframe 5'; Described back cover 2' combines (being docking together) with the rear end of body of heater 1' by labyrinth-type excluder in mode movingly, and back cover is provided with combustion-supporting air channel 3', cooling air channel 3-1', helical form air inlet duct 14', ignition channel 10' and advances coal interface 11'; The air outlet of described air blast 4' by connecting line respectively be arranged on back cover 2' on combustion-supporting air channel 3' and cooling air channel 3-1' be connected, described combustion-supporting air channel is communicated with body of heater combustion chamber (burner hearth) by the helical form air inlet duct 14' that is arranged in the back cover, and described cooling air channel is connected with the sandwich-type cooling ring cavity 13' of body of heater; When supporting support roller position is provided with and is used to limit body of heater 1' and rotates before described vertically before and after the moving position-limit mechanism (shelves wheel) 9 of string.
Described actuating unit 8' is made up of motor, reductor, and drives power transmission shaft and supporting support roller 7' rotation by chaindriven mode.More specifically say: supporting support roller opposite position place with front and back, the race band that rolls around forward and backward two steel plates of being provided with of body of heater, pass through sprocket wheel chain and power transmission shaft and forward and backward two groups of supporting support roller 7' interlock by motor-driven reductor, friction is run band and is driven body of heater 1' and rotate, and avoids the inboard wall of burner hearth slagging scorification problem that causes because of body of heater 1' transfixion or the inner hot-spot of burner hearth.
Operation principle of the present utility model is as follows:
Moisture 20～35% wet coal slime adhesion is stronger, and after breaing up feeding machine, the coal slime of sticking into agglomerate is broken down into fritter, is dropped in the rotary roller dryer by belt filled machine and feed screw.Flour mill is worn into 50 μ m with the feed coal of bulk and is admitted to coal slime after with thin coal dust and dries in the special-purpose stove, dries the burning of special-purpose stove by coal dust in coal slime, forms thermal source, and the thermal source liberated heat leads in the rotary roller dryer by quirk.During work, rotary roller dryer is driven system and drives and rotate, and revolving cylinder is divided into several region along axis direction by different structural configuration.The one, the guide district, wet coal slime enters this district and contacts rapid transpiring moisture with high-temperature hot-air, and material is copied down at the flight of big lead angle, can not form bonding and just is imported into next workspace; The 2nd, clearing zone, wet coal slime is taken up formation material tentiform attitude in this district by flight, when falling, material easily forms bonding cylinder wall phenomenon, be provided with clearing apparatus in this district owing to equipment, clearing apparatus has just very cleaned the material that inwall adheres to easily, and in this process, clearing apparatus also plays fragmentation for material group chou piece, thereby increased heat exchange area, improved rate of drying; The 3rd, inclination lifting blade district, wet coal slime has been the low moisture loose condition (of surface) in this district, and material has not had the bonding phenomenon in this district, reaches desired moisture state through material after the heat exchange, enters last discharge zone; The 4th, discharge zone, cylinder is not established flight in this district, and material to discharge gate, is finished whole dry run at this district's roll-sliding.The moisture content that is evaporated in the dry run, dried tail gas are extracted out rotary roller dryer by air-introduced machine, are discharged after cyclone dust collectors and the sack cleaner dust removal by filtration.
Change cylinder specification, coal slime and dry the specifications and models of special-purpose stove, air-introduced machine, sack cleaner etc. and can form a plurality of embodiment, be common excursion of the present utility model, detailed one by one at this.
Claims (3)
1. coal slime drying equipment, it is characterized in that: described equipment comprises the rotary roller dryer that is driven by actuating unit, the feed end of described rotary roller dryer is respectively arranged with hot air source input port and material input port, wherein: described hot air source input port is connected with the coal slime drying oven by quirk, the other end of coal slime drying oven by pipeline with provide the flour mill of coal dust to combine to the coal slime drying oven; Described material input port is successively by feed screw, belt filled machine and break up feeding machine and link to each other; Described rotary roller dryer exhaust end links to each other with the cyclone dust collectors charging aperture, the discharging opening of cyclone dust collectors links to each other with the charging aperture of sack cleaner, and described cyclone dust collectors, sack cleaner connect air-introduced machine and rotary roller dryer formation gas channel by airduct; The discharge port of the discharge port of rotary roller dryer, the discharge port of sack cleaner and cyclone dust collectors links to each other with the belt discharging machine respectively.
2. coal slime drying equipment according to claim 1, it is characterized in that: described rotary roller dryer is set as some workspaces along revolving cylinder axis direction branch: i.e. guide district, and next district of importing is down destroyed at the flight of set big lead angle in wet coal slime material moisture evaporation back; Clearing zone, set clearing apparatus cleaning inwall adhered materials and broken group chou piece material; Inclination lifting blade district, set inclination lifting blade makes wet coal slime be loose condition (of surface); Discharge zone, coal slime material roll-sliding is finished whole dry run to discharge gate.
3. coal slime drying equipment according to claim 1, it is characterized in that: described rotary roller dryer is long tubular structure, along the cylindrical shell length direction, be provided with two around cylindrical shell and run band and a bull gear that drives by actuating unit, be used to support two two groups of support rollers that run band corresponding pedestal be installed respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120061679 CN201992959U (en) | 2011-03-10 | 2011-03-10 | Coal slurry drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120061679 CN201992959U (en) | 2011-03-10 | 2011-03-10 | Coal slurry drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201992959U true CN201992959U (en) | 2011-09-28 |
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ID=44669445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120061679 Expired - Fee Related CN201992959U (en) | 2011-03-10 | 2011-03-10 | Coal slurry drying device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201992959U (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445065A (en) * | 2011-10-20 | 2012-05-09 | 北京化工大学 | Coal slime drying and recycling method for coal washery |
| CN102445059A (en) * | 2011-12-07 | 2012-05-09 | 南宁市钟秀节能环保工程有限公司 | Countercurrent double-loop cylinder dryer |
| CN102564084A (en) * | 2012-03-14 | 2012-07-11 | 煤炭工业济南设计研究院有限公司 | Low-temperature waste-heat coal slime drying device |
| CN102798276A (en) * | 2012-08-28 | 2012-11-28 | 郑州市鼎力干燥设备有限公司 | Combustion device for coal slime dust back combustion device |
| CN102829613A (en) * | 2012-09-19 | 2012-12-19 | 邱富仁 | Line-frequency induction type dynamic drying machine with four quartz tubes |
| CN102927798A (en) * | 2012-10-25 | 2013-02-13 | 霍林郭勒效高褐煤提质有限公司 | Heat exchange device for lignite drying and upgrading and upgrading method |
| CN104154554A (en) * | 2014-08-21 | 2014-11-19 | 唐山天和科技开发有限公司 | Slack clean coal drying system dust processing technology and device |
| CN105135855A (en) * | 2015-10-13 | 2015-12-09 | 江苏新业重工股份有限公司 | Drying system |
| CN105135823A (en) * | 2015-10-13 | 2015-12-09 | 江苏天鹏机电制造有限公司 | Drying system |
| CN107523368A (en) * | 2017-09-12 | 2017-12-29 | 平顶山市同为新材料研究所 | One kind exempts from drying type coal slime dewatering and solid sulphur formed coal production system |
| CN109135787A (en) * | 2018-10-26 | 2019-01-04 | 郑州鼎力新能源技术有限公司 | Coal drying, destructive distillation method for upgrading and equipment |
| CN110260616A (en) * | 2019-07-23 | 2019-09-20 | 盐城腾一达环保设备有限公司 | A kind of electric dryer |
| CN110339608A (en) * | 2019-06-30 | 2019-10-18 | 安徽宇艳智能机械科技有限公司 | A kind of high-efficiency environment friendly coal mine sewage disposal device |
| CN113108569A (en) * | 2021-05-20 | 2021-07-13 | 重庆水利电力职业技术学院 | Sludge dryer |
| CN118912843A (en) * | 2024-09-08 | 2024-11-08 | 天华化工机械及自动化研究设计院有限公司 | Continuous drying equipment and method for super absorbent resin |
-
2011
- 2011-03-10 CN CN 201120061679 patent/CN201992959U/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445065A (en) * | 2011-10-20 | 2012-05-09 | 北京化工大学 | Coal slime drying and recycling method for coal washery |
| CN102445065B (en) * | 2011-10-20 | 2014-04-02 | 北京化工大学 | Slurry drying and recycling method in coal washery |
| CN102445059A (en) * | 2011-12-07 | 2012-05-09 | 南宁市钟秀节能环保工程有限公司 | Countercurrent double-loop cylinder dryer |
| CN102445059B (en) * | 2011-12-07 | 2014-07-23 | 南宁市钟秀节能环保工程有限公司 | Countercurrent double-loop cylinder dryer |
| CN102564084A (en) * | 2012-03-14 | 2012-07-11 | 煤炭工业济南设计研究院有限公司 | Low-temperature waste-heat coal slime drying device |
| CN102798276B (en) * | 2012-08-28 | 2014-12-03 | 郑州市鼎力干燥设备有限公司 | Combustion device for coal slime dust back combustion device |
| CN102798276A (en) * | 2012-08-28 | 2012-11-28 | 郑州市鼎力干燥设备有限公司 | Combustion device for coal slime dust back combustion device |
| CN102829613A (en) * | 2012-09-19 | 2012-12-19 | 邱富仁 | Line-frequency induction type dynamic drying machine with four quartz tubes |
| CN102927798B (en) * | 2012-10-25 | 2015-03-18 | 浙江传媒学院 | Lignite drying and upgrading method |
| CN102927798A (en) * | 2012-10-25 | 2013-02-13 | 霍林郭勒效高褐煤提质有限公司 | Heat exchange device for lignite drying and upgrading and upgrading method |
| CN104154554A (en) * | 2014-08-21 | 2014-11-19 | 唐山天和科技开发有限公司 | Slack clean coal drying system dust processing technology and device |
| CN104154554B (en) * | 2014-08-21 | 2016-06-01 | 唐山天和科技开发有限公司 | A kind of fine cleaned coal dehumidification system dust disposal technique |
| CN105135855A (en) * | 2015-10-13 | 2015-12-09 | 江苏新业重工股份有限公司 | Drying system |
| CN105135823A (en) * | 2015-10-13 | 2015-12-09 | 江苏天鹏机电制造有限公司 | Drying system |
| CN107523368A (en) * | 2017-09-12 | 2017-12-29 | 平顶山市同为新材料研究所 | One kind exempts from drying type coal slime dewatering and solid sulphur formed coal production system |
| CN109135787A (en) * | 2018-10-26 | 2019-01-04 | 郑州鼎力新能源技术有限公司 | Coal drying, destructive distillation method for upgrading and equipment |
| CN110339608A (en) * | 2019-06-30 | 2019-10-18 | 安徽宇艳智能机械科技有限公司 | A kind of high-efficiency environment friendly coal mine sewage disposal device |
| CN110260616A (en) * | 2019-07-23 | 2019-09-20 | 盐城腾一达环保设备有限公司 | A kind of electric dryer |
| CN113108569A (en) * | 2021-05-20 | 2021-07-13 | 重庆水利电力职业技术学院 | Sludge dryer |
| CN118912843A (en) * | 2024-09-08 | 2024-11-08 | 天华化工机械及自动化研究设计院有限公司 | Continuous drying equipment and method for super absorbent resin |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20130310 |