CN105758148A - Rapid briquette coal drying system and briquette coal drying furnace - Google Patents
Rapid briquette coal drying system and briquette coal drying furnace Download PDFInfo
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- CN105758148A CN105758148A CN201610265159.5A CN201610265159A CN105758148A CN 105758148 A CN105758148 A CN 105758148A CN 201610265159 A CN201610265159 A CN 201610265159A CN 105758148 A CN105758148 A CN 105758148A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/18—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/003—Supply-air or gas filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/003—Handling, e.g. loading or unloading arrangements for articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to a rapid briquette coal drying system and a briquette coal drying furnace.The drying system and a hot oil system are included.The hot oil system comprises an oil inflow pipe, an oil return pipe and a heat dissipation system located in a drying cavity.The heat dissipation system comprises an oil distributing pipe communicated with the oil inflow pipe, and an oil collecting pipe communicated with the oil return pipe.The oil distributing pipe and the oil collecting pipe are communicated with multiple sets of heat dissipation coil pipes through oil guide pipes respectively.The heat dissipation coil pipes are arranged on the lower portions of briquette coal chain plate conveying device grid plates and located on the upper portions of branch air pipes.A hot air source directly conveys hot air to the bottom of briquette coal through an air distributing device via pipelines, dry air is fully utilized, it is guaranteed that the briquette coal directly makes contact with the dry hot air flow, briquettes enter the drying cavity to make contact with the dry high-temperature airflow all the time, the drying speed is increased, drying efficiency is improved, and the hot air from an air outlet of an induced draft fan is guided by the air distributing pipe, conveyed by the branch air pipes layer by layer and dispersed to the position below each briquette coal layer of the drying furnace.
Description
Technical field
The invention belongs to drying plant field, relate to a kind of moulded coal flash baking system and a kind of drying furnace for formed coal.
Background technology
At present a lot of local or using coal as main fuel, but directly burn with common lump coal and easily smolder, produce a lot of pollutant, therefore, country widelys popularize the use of moulded coal, raw coal adopts the processing of industrialized means reduce the generation of harmful gas, anthracite pulverizing is processed desulfurization and adds appropriate catalyst to make that environmental protection coal briquette uses as fuel be effective measure, it is possible to reduce excite calorific value, solidify dusty gas and ashes, environmental pollution little.In briquetting, the removal of moisture is to provide the key of industrialized production step, and efficient, high yield, the saving energy of drying plant become the key of design.
The pre-heat utilization of present horizontal drying machine is mostly fairly simple, such as Chinese patent, number of patent application 2015100778243, a kind of horizontal coal briquette dehydrator of name of patent application, it is a kind of UTILIZATION OF VESIDUAL HEAT IN mode, bottom air inlet, but limited efficiency, mainly steam enters the relatively low effect just disappearance after a segment distance of temperature, and pre-thermal utilization effect is limited.Along with the ascending air humidity of air-flow is increasing, being unfavorable for the surface drying of top layer moulded coal, extend the drying time of moulded coal, production efficiency is low.
It is mentioned that circulating oil path heat radiation, but this structure existing problems, each bypass flow of oil circuit is unbalanced, it is impossible to the flow direction according to the temperature requirement drain deep fat in drying baker, although but oil circuit leads directly to less scaling part dead angle and still has dirt alluvial phenomenon.Slow down under oil temperature during maintenance drying cavity, cause cooling is lot more time to keep in repair, and oil temperature continues to raise furnace temperature and exceedes the upper limit not adjusting function constantly timely sometimes.
Summary of the invention
It is an object of the invention to overcome the defect of prior art, it is provided that the double; two heat supply drying oven of the coal briquette dehydrator of a kind of three-dimensional cloth wind good heat dissipation effect.
For solving the problems referred to above, the technical solution used in the present invention is: a kind of moulded coal flash baking system, and it is included the air-introduced machine that connect with heated air source by screw type duster and passes through the multiple horizontal air-distribution device dividing airduct to connect with fan out draft；The air inlet of described air-introduced machine is connected with heated air source by cleaner unit；Described air-distribution device is positioned at the drying cavity of dehydrator, and the air outlet of described air-distribution device upwards and is positioned at below moulded coal；Described air-distribution device includes branch wind pipe and is arranged on the slag-drip opening of branch wind pipe one end, and described branch wind pipe is provided with the wind distributing hole of multiple opening upwards, and the other end of described branch wind pipe connects with a point airduct.
Furtherly, described wind distributing hole is two rows, and is positioned at both sides, branch wind pipe top.
Furtherly, described wind distributing hole is arcuate socket and is positioned at branch wind pipe top, and described wind distributing hole is the hole radially offered, and multiple described wind distributing holes are axially evenly distributed on branch wind pipe, and the central angle that described wind distributing hole is corresponding is 45 °-120 °.
Furtherly, described branch wind pipe two wind distributing holes radially are 22 °-70 ° with the angle of vertical direction.
Furtherly, described point is provided with the aerofoil regulating air quantity between airduct and branch wind pipe.
For solving the problems referred to above, the present invention also adopts the technical scheme that: a kind of drying furnace for formed coal, and it includes above-mentioned a kind of moulded coal flash baking system and thermal oil system, and described thermal oil system includes: oil inlet pipe, oil return pipe and be positioned at the cooling system of drying cavity；The oil collecting pipe that the oil distributing pipe that described cooling system includes connecting with oil inlet pipe connects with oil return pipe, described oil distributing pipe and oil collecting pipe connect with many group radiator coil tubes respectively through oil guide pipe；Described radiator coil tube is arranged on the bottom of moulded coal chain plate conveyer flase floor and is positioned at branch wind pipe top；Described radiator coil tube includes time oil distributing pipe, connected with time oil distributing pipe by radiating tube contaminated product pipe and pass through the secondary oil collecting pipe that secondary radiating tube connects with contaminated product pipe, the outer wall of a described radiating tube and secondary radiating tube is provided with spiral heat dissipation fin.
Furtherly, described heated air source is the flue of boiler.
Furtherly, described drying cavity is the drying cavity of Horizontal top coal dehydrator, described radiator coil tube and moulded coal chain plate conveyer flase floor, be arranged in parallel.
Furtherly, being provided with the both sides that peripheral passage, described oil inlet pipe and oil return pipe be connected with peripheral passage and be respectively arranged with valve between described oil inlet pipe and oil return pipe, described peripheral passage series winding is provided with radiator and frequency conversion oil pump.
Furtherly, described contaminated product inside pipe wall is provided with the contaminated product sheet making fluid produce flow-disturbing, and described oil guide pipe is provided with flow-limiting valve.
Adopt and have the beneficial effects that produced by technique scheme:
Steam is fed directly to the bottom of moulded coal by heated air source through piping either directly through air-distribution device, dry air makes full use of, ensure the thermal current of the direct contact drying of moulded coal, air-flow is distributed to each position of moulded coal layer, make coal briquette enter the air-flow of drying chamber contact drying high temperature from start to finish, accelerate rate of drying, improve drying efficiency, the air outlet of air-introduced machine is carried through the layering then through branch wind pipe that guides of undue airduct, and steam is dispersed to the lower section of each moulded coal layer of drying oven.
Two arrangement air holes air-out obliquely upward of branch wind pipe, the thermal current of radiating tube is blowed to moulded coal by thermal current further, and in so whole drying cavity, circulation of air flow is smooth and easy, accelerates air-flow velocity increase and avoids dead space.
The wind distributing hole of branch wind pipe can also is that the gap of upwards air-out, radial distribution of cracking, and accelerates air-flow velocity to blowing up, increases the efficiency of radiating tube, and the circulation of air flow of whole drying oven is more unobstructed.
Aerofoil regulates point airduct and flows to the air quantity of each branch wind pipe, makes the air quantity of each branch wind pipe according to reasonably configuring work, it is to avoid occurs because air volume adjustment is uneven, and can regulate different air quantity flow rate according to the different conditions of moulded coal；Divide and be respectively provided with aerofoil between airduct and each branch wind pipe, so can according to the upper lower floor different demands to air quantity, top of the upper layer moulded coal enters, bottom moulded coal goes out, and top layer is emphatically that face is done, and bottom is interior dry, temperature is required different with air quantity, regulates targetedly；The air-distribution device of every layer needs every layer of each air-distribution device air-out uniform on same arm, it is therefore desirable to aerofoil carries out air quantity adjustment.
The supply air system of drying oven combines oil thermal, oil adding system adopts many fraction oil, oil is divided uniformly to avoid the radiator coil tube mass flow discrepancy of each layer, heat sink body uses finned tube area of dissipation to increase, the deep fat of radiating tube, after once heat radiation, mixes through contaminated product pipe, and hot oil temperature carries out balanced mixing, enter back into secondary radiating tube to dispel the heat, it is to avoid one leads to the uneven heat dissipation at the end.
Heated air source is the flue of boiler, is removed by the high-temperature particle in boiler flue through screw type duster, and the flue gas temperature through dedusting is down to suitable temperature, then is sent into pipeline by aerator.
The structure of horizontal drying machine is more suitable for such dispersion air-supply, and the moulded coal reciprocal horizontal within horizontal dehydrator transports, and air-distribution device is arranged in above moulded coal all the time, is not take up exceptional space, and existing equipment is without changing direct construction.
Peripheral passage can be opened when drying cavity temperature is too high, makes oil directly reflux without drying cavity, it is also possible to reflux after radiator is lowered the temperature, uses this path when boiler test-run a machine, saves fuel, and the test period is short；Opening oil pump when shutdown maintenance makes the oil in drying cavity reduce drying cavity temperature through this loop as early as possible through radiator, reduces temperature fall time.
Contaminated product sheet can increase the liquid flow-disturbing in pipeline, it is to avoid dirt deposition, increases the inside and outside exchange of the fluid in pipeline, increases fluids within pipes and spring up, it is to avoid dead angle deposits.Flow-limiting valve can change the assignment of traffic of each peripheral passage according to the temperature requirements in drying cavity, improves the temperature layout in drying cavity further, increases drying effect.
Accompanying drawing explanation
Accompanying drawing 1 uses status architecture schematic diagram for the present invention；
Accompanying drawing 2 is flash baking system structure schematic diagram of the present invention；
Accompanying drawing 3 is flash baking system cross section structure schematic diagram of the present invention；
Accompanying drawing 4 is branch wind pipe axial section structural representation of the present invention；
Accompanying drawing 5 is branch wind pipe radial section structural representation of the present invention；
Accompanying drawing 6 is branch wind pipe embodiment 2 structural representation of the present invention；
In the accompanying drawings:
1 boiler, 2 cleaner units, 3 air-introduced machines, 4 drying cavities, 51 points of airducts, 52 branch wind pipes, 53 slag-drip openings, 54 wind distributing holes, 55 aerofoils, 7 oil inlet pipes, 71 oil distributing pipes, 72 oil distributing pipes, 73 radiating tubes, 74 contaminated product pipes, 8 oil return pipes, 81 oil collecting pipes, 82 oil collecting pipes, 83 2 radiating tubes, 84 hot fins, 9 oil guide pipes, 91 frequency conversion oil pumps, 92 valves, 93 radiators, 10 moulded coals, 11 moulded coal chain plate conveyers.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is carried out further details of narration.
As shown in accompanying drawing 1-4, a kind of drying furnace for formed coal, it includes flash baking system and thermal oil system, described flash baking system, passes through the air-introduced machine 3 that screw type duster 2 connects and the multiple horizontal air-distribution device connected with air-introduced machine 3 air outlet by point airduct 51 with heated air source including it；The air inlet of described air-introduced machine 3 is connected with heated air source by cleaner unit 2；Described air-distribution device is positioned at the drying cavity 4 of dehydrator, and the air outlet of described air-distribution device upwards and is positioned at below moulded coal；Described air-distribution device includes branch wind pipe 52 and is arranged on the slag-drip opening 53 of branch wind pipe 52 one end, described branch wind pipe 52 is provided with the wind distributing hole 54 of multiple opening upwards, the other end of described branch wind pipe 52 connects with a point airduct 51, and described thermal oil system includes: oil inlet pipe 7, oil return pipe 8 and be positioned at the cooling system of drying cavity 4；The oil collecting pipe 81 that the oil distributing pipe 71 that described cooling system includes connecting with oil inlet pipe 7 connects with oil return pipe 8, described oil distributing pipe 71 and oil collecting pipe 81 connect with many group radiator coil tubes respectively through oil guide pipe 9；Described radiator coil tube is arranged on the bottom of moulded coal chain plate conveyer flase floor and is positioned at branch wind pipe 52 top；Described radiator coil tube includes time oil distributing pipe 72, connected with time oil distributing pipe 72 by radiating tube 73 contaminated product pipe 74 and pass through the secondary oil collecting pipe 82 that secondary radiating tube 83 connects with contaminated product pipe 74, the outer wall of a described radiating tube 73 and secondary radiating tube 83 is provided with spiral heat dissipation fin 84.
Described heated air source is the flue of boiler；Described drying cavity 4 is the drying cavity of Horizontal top coal dehydrator, and described radiator coil tube be arranged in parallel with moulded coal chain plate conveyer flase floor；Being provided with peripheral passage between described oil inlet pipe 7 and oil return pipe 8, the both sides that described oil inlet pipe 7 and oil return pipe 8 are connected with peripheral passage are respectively arranged with valve 92, and described peripheral passage series winding is provided with radiator 93 and frequency conversion oil pump 91；Described contaminated product pipe 74 inwall is provided with the contaminated product sheet making fluid produce flow-disturbing, and described oil guide pipe 9 is provided with flow-limiting valve；Described wind distributing hole 54 is two rows, and is positioned at both sides, branch wind pipe 52 top；Two wind distributing holes 54 of described branch wind pipe 52 radial direction are 22 °-70 ° with the angle of vertical direction；The aerofoil 55 regulating air quantity it is provided with between described point of airduct 51 and branch wind pipe 52.As it is shown in figure 5, it is the central point in hole and the angle α of the line in the center of circle and vertical curve that two wind distributing holes 54 are positioned at angle radially.
Hot-air system operation principle, by each process that hot gas source stroll is dried by pipeline at moulded coal, accelerates Drying Process of Coal Briquette, make full use of source of the gas heat, as shown in accompanying drawing 1,2, and air-distribution device vertical direction is corresponding, and horizontal direction is distributed to up-draught, do not hinder the rising of damp and hot air-flow, moulded coal can contact hot dry wind all the time, and the air-flow of air-flow just conduction oil is to blowing up, in conjunction with radiant heat, drying rate is fast, and efficiency is high.
Thermal oil system operation principle, arranged by the classification of hot oil pipeline, the contaminated product in loop is arranged, increasing the application of intermediate loop, increase the suitability and the reliability of thermal oil system, flow-limiting valve regulates and controls the deep fat flow of each branch, contaminated product sheet increases fluid flow-disturbing and not only mixes the fluid in pipeline, the dirt deposition at pipeline dead angle can also be avoided, at the large area radiator structure in conjunction with the structure of big flux and finned tube, change simple oil circulation heat radiation on the whole.
When hot-air system uses, in drying cavity, pass through support or be directly installed on the framework of moulded coal chain plate conveyer 11, the flue gas of boiler is through screw type duster 2, remove granule foreign, thermal current is arrived by a point airduct 51, branch wind pipe 52 moulded coal of each layer via air-introduced machine 3, and air-flow blows on moulded coal through wind distributing hole 54；Making the air output of each branch wind pipe 52 adapt to designing requirement through the adjustment of aerofoil 55 in the process, slag-drip opening 53 can clear up the coal dust in branch wind pipe 52 after opening.
When thermal oil system uses, start the oil circulating pump on oil return pipe 8, the deep fat heated through boiler is sequentially sent to oil inlet pipe 7, oil distributing pipe 71,73, radiating tube 73 of secondary oil distributing pipe；Carry out dispelling the heat and the moulded coal 10 on moulded coal chain plate conveyer 11 and drying cavity 4 are heated；Then fluid enters contaminated product pipe 74 through flow-disturbing mixing, sequentially enters secondary radiating tube 83, secondary oil collecting pipe 82, oil collecting pipe 81, finally imports oil return pipe 8 and completes circulation；When drying oven 4 need not heat, it is possible to close oil inlet pipe 7 and the oil return pipe 8 two valves 92 near drying cavity 4 side, circulating pump starts deep fat after radiator 93, flow back in boiler；When in drying oven 4, temperature is too high, frequency conversion oil pump 91 actuating section deep fat flow back in boiler after radiator 93, reduces deep fat and flows into drying cavity 4；When drying cavity 4 needs individually to cool down, closing oil inlet pipe 7 and oil return pipe 8 two valves 92 away from nearly drying cavity 4 side, frequency conversion oil pump 91 starts and is drained in radiator 93 by the deep fat in drying cavity 4, returns in drying cavity 4 and completes quick heat radiating.
Embodiment two, difference from Example 1 is in that, described wind distributing hole 54 is arcuate socket and is positioned at branch wind pipe 52 top, and described wind distributing hole 54 is the hole radially offered, multiple described wind distributing holes 54 are axially evenly distributed on branch wind pipe 52, and the central angle of described wind distributing hole 54 correspondence is 45 °-120 °；As described in Figure 6, the central angle of wind distributing hole 54 correspondence is to be β.
Air-flow in the flue of boiler is the flue gas with Mars granule of high temperature, have to pass through dedusting, by burning particles elimination, in dust removal process, flue-gas temperature reduces, air-introduced machine 3 can be directly over and send in drying cavity 4 by pipeline, operating temperature in drying cavity 4 is at 200-235 degree, and is about 250 degree through the gas flow temperature of cleaner unit 2, is just admitted in drying cavity.
For the dehydrator of 15 tphs, save coal per hour by this kind of mode and on average can reach 500 kilograms, per hour on average economize on electricity 220 kilowatts, per hour with coal only double centner, power consumption only 70 kilowatts.
The exhausting system at drying cavity 4 top is by branch line traverse drying cavity 4 roof by air draft air-introduced machine, connect with the top within drying cavity 4, the mouth of pipe of multiple discharge pipes is positioned at the middle part of adjacent air-distribution device, such airflow smooth, forms convection current smoothly with the air-flow of air-distribution device.
The above embodiment is only the preferred embodiments of the present invention, and and the feasible enforcement of non-invention exhaustive.For persons skilled in the art, any apparent change under the premise without departing substantially from the principle of the invention and spirit, it is done, all should be contemplated as falling with within the claims of the present invention.
Claims (10)
1. a moulded coal flash baking system, it is characterised in that: include the air-introduced machine (3) connected by screw type duster (2) and the multiple horizontal air-distribution device connected with air-introduced machine (3) air outlet by point airduct (51) with heated air source；
The air inlet of described air-introduced machine (3) is connected with heated air source by cleaner unit (2)；Described air-distribution device is positioned at the drying cavity (4) of dehydrator, and the air outlet of described air-distribution device upwards and is positioned at below moulded coal；
Described air-distribution device includes branch wind pipe (52) and is arranged on the slag-drip opening (53) of branch wind pipe (52) one end, and described branch wind pipe (52) is provided with the wind distributing hole (54) of multiple opening upwards, and described branch wind pipe (52) other end connects with a point airduct (51).
2. a kind of moulded coal flash baking system according to claim 1, it is characterised in that: described wind distributing hole (54) is two rows, and is positioned at branch wind pipe (52) both sides, top.
3. a kind of moulded coal flash baking system according to claim 1, it is characterized in that: described wind distributing hole (54) is arcuate socket and is positioned at branch wind pipe (52) top, described wind distributing hole (54) is the hole radially offered, multiple described wind distributing holes (54) are axially evenly distributed on branch wind pipe (52), and the central angle that described wind distributing hole (54) is corresponding is 45 °-120 °.
4. a kind of moulded coal flash baking system according to claim 2, it is characterised in that: two wind distributing holes (54) of described branch wind pipe (52) radial direction are 22 °-70 ° with the angle of vertical direction.
5. a kind of moulded coal flash baking system according to claim 1, it is characterised in that: it is provided with the aerofoil (55) regulating air quantity between described point of airduct (51) and branch wind pipe (52).
6. a drying furnace for formed coal, it is characterized in that: it includes a kind of moulded coal flash baking system described in any one of claim 1-5, thermal oil system and drying cavity (4), and described thermal oil system includes: oil inlet pipe (7), oil return pipe (8) and be positioned at the cooling system of drying cavity (4)；
The oil collecting pipe (81) that the oil distributing pipe (71) that described cooling system includes connecting with oil inlet pipe (7) connects with oil return pipe (8), described oil distributing pipe (71) and oil collecting pipe (81) connect with many group radiator coil tubes respectively through oil guide pipe (9)；Described radiator coil tube is arranged on the bottom of moulded coal chain plate conveyer flase floor and is positioned at branch wind pipe (52) top；
Described radiator coil tube includes time oil distributing pipe (72), connected with time oil distributing pipe (72) by radiating tube (73) contaminated product pipe (74) and pass through the secondary oil collecting pipe (82) that secondary radiating tube (83) connects with contaminated product pipe (74), the outer wall of a described radiating tube (73) and secondary radiating tube (83) is provided with spiral heat dissipation fin (84).
7. a kind of drying furnace for formed coal according to claim 6, it is characterised in that: described heated air source is the flue of boiler.
8. a kind of drying furnace for formed coal according to claim 7, it is characterised in that: described drying cavity (4) is the drying cavity of Horizontal top coal dehydrator, and described radiator coil tube and moulded coal chain plate conveyer flase floor be arranged in parallel.
9. a kind of drying furnace for formed coal according to claim 8, it is characterized in that: between described oil inlet pipe (7) and oil return pipe (8), be provided with peripheral passage, the both sides that described oil inlet pipe (7) and oil return pipe (8) are connected with peripheral passage are respectively arranged with valve (92), and described peripheral passage series winding is provided with radiator (93) and frequency conversion oil pump (91).
10. a kind of drying furnace for formed coal according to claim 9, it is characterised in that: described contaminated product pipe (74) inwall is provided with the contaminated product sheet making fluid produce flow-disturbing, and described oil guide pipe (9) is provided with flow-limiting valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265159.5A CN105758148A (en) | 2016-04-26 | 2016-04-26 | Rapid briquette coal drying system and briquette coal drying furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265159.5A CN105758148A (en) | 2016-04-26 | 2016-04-26 | Rapid briquette coal drying system and briquette coal drying furnace |
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| CN105758148A true CN105758148A (en) | 2016-07-13 |
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| CN201610265159.5A Pending CN105758148A (en) | 2016-04-26 | 2016-04-26 | Rapid briquette coal drying system and briquette coal drying furnace |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107036110A (en) * | 2017-06-03 | 2017-08-11 | 青岛达能环保设备股份有限公司 | The dry dreg removing system of full unit one-level warehouse entry |
| CN107806745A (en) * | 2017-11-13 | 2018-03-16 | 湖南省驰安新能源科技有限公司 | A kind of drying room of the even cloth of hot blast |
| CN110285665A (en) * | 2019-07-20 | 2019-09-27 | 韩忠文 | A kind of Bilateral heating multi-temperature zone intelligence dryer |
| CN114508902A (en) * | 2022-01-27 | 2022-05-17 | 中国计量大学 | Storage type soil drying system for recycling waste heat of secondary combustion chamber and control method |
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| CN104748532A (en) * | 2015-02-14 | 2015-07-01 | 石家庄市矿区丰旺机械有限公司 | Horizontal type coal briquette drying machine |
| CN105444557A (en) * | 2015-12-25 | 2016-03-30 | 石家庄市矿区丰旺机械有限公司 | Double-heat supplying system of briquette dryer |
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| CN107806745A (en) * | 2017-11-13 | 2018-03-16 | 湖南省驰安新能源科技有限公司 | A kind of drying room of the even cloth of hot blast |
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