CN205262144U - Two heating system of egg -type briquet drying -machine - Google Patents
Two heating system of egg -type briquet drying -machine Download PDFInfo
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- CN205262144U CN205262144U CN201521093337.8U CN201521093337U CN205262144U CN 205262144 U CN205262144 U CN 205262144U CN 201521093337 U CN201521093337 U CN 201521093337U CN 205262144 U CN205262144 U CN 205262144U
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Abstract
The utility model relates to a two heating system of egg -type briquet drying -machine, its include hot air system with heat oily system, hot air system includes: the air distribute device that draught fan through spiral dust remover and hot -air source intercommunication and a plurality of punctiform through pipeline and draught fan air outlet intercommunication distribute, the oily system of heat includes: advance oil pipe, return oil pipe and be located the cooling system of stoving intracavity, with air current dispersion every part to dry chamber space, make the egg -type briquet get into the air current that dry chamber contacted dry high temperature from start to finish for drying rate improves drying efficiency, oil adopts multistage branch oil with the system, and the heat oil of a cooling tube mixes through mixing oil pipe through the back of once dispelling the heat, will heat up oily temperature and carry out balanced mixing, and reentrant secondary cooling tube dispels the heat, avoids a not uniform heat dissipation who leads to the end.
Description
Technical field
The utility model belongs to drying plant field, relates to the two heating systems of a kind of coal briquette dryer.
Background technology
A lot of local still using coal as main burning at present, but easily smolder with the direct burning of common lump coal, produce a lot of pollutants, therefore, country widelys popularize the use of moulded coal, adopt the processing of industrialized means to reduce the generation of pernicious gas in raw coal, using the processing desulfurization of anthracite abrasive dust and add appropriate catalyst to make that environmental protection coal briquette uses as fuel to be effective measure, can to reduce to excite calorific value, solidify dusty gas and ashes, environmental pollution little. In briquetting, the removal of moisture is to provide the key of suitability for industrialized production step, efficient, the high yield of drying plant, the key that the saving energy becomes design.
The pre-heat utilization of present horizontal drying machine is mostly fairly simple, as Chinese patent, number of patent application 2015100778243, a kind of horizontal coal briquette dryer of name of patent application, a kind of UTILIZATION OF VESIDUAL HEAT IN mode, bottom air inlet, but effect is limited, be mainly that hot gas enters the lower just disappearance of effect after a segment distance of temperature, pre-thermal utilization effect is limited. Along with the ascending air humidity of air-flow is increasing, be unfavorable for the surface drying of top layer moulded coal, extend the drying time of moulded coal, production efficiency is low.
Wherein mention circulating oil path heat radiation, these structure existing problems, each branch road mass flow discrepancy weighing apparatus of oil circuit, can not be according to the flow direction of the temperature requirement drainage deep fat in drying baker, although but the straight-through less scaling part of oil circuit dead angle still has dirt alluvial phenomenon. Maintenance when drying cavity oil temperature decline slowly, cause to such an extent that coolingly just can keep in repair for a long time, and oil temperature continues rising furnace temperature and exceedes not adjusting function constantly timely of the upper limit sometimes.
Utility model content
The purpose of this utility model is to overcome the defect of prior art, and a kind of two heating systems of coal briquette dryer of three-dimensional cloth wind good heat dissipation effect are provided.
For addressing the above problem, the technical solution used in the present invention is: the two heating systems of a kind of coal briquette dryer, it comprises hot-air system and thermal oil system, and described hot-air system comprises: the air-distribution device of the air-introduced machine being communicated with heated air source by screw type duster and multiple spot distribution of being communicated with fan out draft by pipeline; The air inlet of described air-introduced machine is communicated with heated air source by deduster; Described air-distribution device is positioned at the drying cavity of dryer, and the air outlet of described air-distribution device is downward, and described air-distribution device is positioned at moulded coal top; Described thermal oil system comprises: oil inlet pipe, oil return pipe and be positioned at the cooling system of drying cavity; Described cooling system comprises the oil distributing pipe being communicated with oil inlet pipe, the oil collecting pipe being communicated with oil return pipe, and described oil distributing pipe and oil collecting pipe are communicated with many group radiator coil tubes by oil guide pipe respectively; Described radiator coil tube is arranged on the bottom of moulded coal chain plate conveyer flase floor; The contaminated product pipe that described radiator coil tube comprises time oil distributing pipe, be communicated with time oil distributing pipe by radiating tube and pass through the inferior oil collecting pipe that secondary radiating tube is communicated 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 dryer, the be arrangeding in parallel of described radiator coil tube and moulded coal chain plate conveyer flase floor.
Furtherly, described pipeline comprises point airduct being communicated with fan out draft and the arm being communicated with point airduct, and described air-distribution device is arranged on arm, and described point of airduct moves plane distribution along moulded coal, and described point of airduct layering arranges.
Furtherly, between described arm and point airduct, be provided with the main air plate that regulates air quantity, described air-distribution device is provided with point airduct the secondary aerofoil that regulates air quantity.
Furtherly, described air-distribution device comprises wind chamber and is positioned at multiple wind distributing holes of wind chamber diapire, and described wind top of chamber is communicated with dividing an airduct by secondary aerofoil.
Furtherly, described main air plate and secondary aerofoil are all grid aerofoils, and described wind chamber diapire is rectangle, and diapire width is identical with the moulded coal dispersion of distribution, and multiple described wind distributing holes are in wind chamber diapire matrix distribution.
Furtherly, multiple described point airducts are positioned at same vertical plane, and described air-distribution device is corresponding with the air-distribution device vertical direction position of adjacent layer.
Furtherly, between described oil inlet pipe and oil return pipe, be provided with peripheral passage, described oil inlet pipe is respectively arranged with valve with the both sides that oil return pipe is connected with peripheral passage, and 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 that makes fluid produce flow-disturbing, and described oil guide pipe is provided with flow-limiting valve.
The beneficial effect that adopts technique scheme to produce is:
Heated air source is directly directly delivered to hot gas the top of moulded coal by air-distribution device through piping, dry air once utilizes, ensure the thermal current of the direct contact drying of moulded coal, air-flow is distributed to each part in drying chamber space, make coal briquette enter the drying chamber air-flow of contact drying high temperature from start to finish, accelerate rate of drying, improve drying efficiency. Oil adding system adopts multistage point of oil, divide oil evenly to avoid the radiator coil tube mass flow discrepancy of each layer, heat radiation main body is used finned tube area of dissipation to increase, the deep fat of a radiating tube is after once dispelling the heat, mix through contaminated product pipe, hot oil temperature is carried out to equilibrium and mix, then enter secondary radiating tube and dispel the heat, avoid a uneven heat dissipation of leading to the end.
Heated air source is the flue of boiler, through screw type duster, the high-temperature particle in boiler flue is removed, and is down to suitable temperature, then sends into pipeline by air blast through the flue gas temperature of dedusting.
The structure of horizontal drying machine is more suitable for such dispersion air-supply, and the reciprocal level of moulded coal of horizontal dryer inside is transported, and air-distribution device is arranged in moulded coal top all the time, the not occupying volume external space, and existing equipment is without changing directly construction.
The air outlet of air-introduced machine is carried through the layering of arm through the guiding of undue airduct again, hot gas is dispersed to the top of each moulded coal layer of drying oven, divide between airduct and each arm aerofoil is set respectively, like this can be according to upper lower floor the different demands to air quantity, top of the upper layer moulded coal enters, bottom moulded coal goes out, top layer is emphatically that face is dry, bottom is interior dry, different with air quantity requirement to temperature, regulates targetedly; The air-distribution device of every layer needs to regulate and control every layer of each air-distribution device air-out even on same arm, therefore needs aerofoil to carry out air quantity adjusting.
The aerofoil of grid is easy to regulation and control, and little to wind resistance, the flow-disturbing of generation is little, and regulation and control are convenient. Wind distributing hole distributed rectangular on moulded coal, is taken a walk the stroll of gas uniform evenly, and moulded coal wind-engaging is also even, drying effect homogeneous.
Each arm distributes along turnover plate type chain conveyor, air-distribution device on every layer is corresponding with the air-distribution device upper-lower position of adjacent layer, between gap form the rising passway of air-flow, can not hinder the overall air-flow tendency in drying baker, be convenient to that hot and humid gas is up to be taken away by exhausting system.
Peripheral passage can be opened in the time of drying cavity excess Temperature, and oil is directly refluxed without drying cavity, can also after radiator is lowered the temperature, reflux, and uses this path in the time of boiler test-run a machine, saves fuel, and the test period is short; In the time of shutdown maintenance, open oil pump and make the oil in drying cavity reduce as early as possible drying cavity temperature through this loop through radiator, reduce temperature fall time.
Contaminated product sheet can increase the liquid flow-disturbing in pipeline, avoids dirt deposition, increases the inside and outside exchange of fluid in pipeline, increases pipeline inner fluid and springs up, and avoids dead angle deposition. Flow-limiting valve can change according to the temperature requirements in drying cavity the assignment of traffic of each peripheral passage, further improves the temperature layout in drying cavity, increases drying effect.
Brief description of the drawings
Accompanying drawing 1 is the utility model use status architecture schematic diagram;
Accompanying drawing 2 is the utility model hot-air system and moulded coal chain plate conveyer positional structure schematic diagram;
Accompanying drawing 3 is the structural representation of the utility model hot-air system;
Accompanying drawing 4 is the utility model thermal oil system and moulded coal chain plate conveyer positional structure schematic diagram;
Accompanying drawing 5 is the structural representation of the utility model thermal oil system;
Accompanying drawing 6 is end face structure schematic diagram of the present utility model;
In the accompanying drawings:
1 boiler, 2 dedusters, 3 air-introduced machines, 4 drying cavities, 51 points of airducts, 52 arms, 53 main air plates, 54 secondary aerofoils, 61 wind chambeies, 62 wind distributing holes, 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 heat radiation 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 utility model is carried out to further detailed narration.
As shown in accompanying drawing 1-6, the two heating systems of a kind of coal briquette dryer, it comprises hot-air system and thermal oil system, and described hot-air system comprises: the air-distribution device of the air-introduced machine 3 being communicated with heated air source by screw type duster 2 and multiple spot distribution of being communicated with air-introduced machine 3 air outlets by pipeline; The air inlet of described air-introduced machine 3 is communicated with heated air source by deduster 2; Described air-distribution device is positioned at the drying cavity 4 of dryer, and the air outlet of described air-distribution device is downward, and described air-distribution device is positioned at moulded coal top; Described thermal oil system comprises: oil inlet pipe 7, oil return pipe 8 and be positioned at the cooling system of drying cavity 4; Described cooling system comprises the oil distributing pipe 71 being communicated with oil inlet pipe 7, the oil collecting pipe 81 being communicated with oil return pipe 8, and described oil distributing pipe 71 and oil collecting pipe 81 are communicated with many group radiator coil tubes by oil guide pipe 9 respectively; Described radiator coil tube is arranged on the bottom of moulded coal chain plate conveyer flase floor; Described radiator coil tube comprises time oil distributing pipe 72, the contaminated product pipe 74 being communicated with inferior oil distributing pipe 72 by radiating tube 73 and the inferior oil collecting pipe 82 being communicated with contaminated product pipe 74 by secondary radiating tube 83, and 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 drying cavities of Horizontal top coal dryer, the be arrangeding in parallel of described radiator coil tube and moulded coal chain plate conveyer flase floor; Described pipeline comprises point airduct 51 being communicated with air-introduced machine 3 air outlets and the arm 52 being communicated with point airduct 51, and described air-distribution device is arranged on arm 52, and described point of airduct 51 is along moulded coal operation plane distribution, described point of airduct 51 layering settings; Between described arm 52 and point airduct 51, be provided with the main air plate 53 that regulates air quantity, described air-distribution device is provided with point airduct 51 the secondary aerofoil 54 that regulates air quantity; Described air-distribution device comprises wind chamber 61 and is positioned at multiple wind distributing holes 62 of wind chamber 61 diapires, and 61 tops, described wind chamber are communicated with a point airduct 51 by secondary aerofoil 54; Described main air plate 53 and secondary aerofoil 54 are all grid aerofoils, and described wind chamber 61 diapires are rectangles, and diapire width is identical with the moulded coal dispersion of distribution, and multiple described wind distributing holes 62 are in wind chamber 61 diapire matrix distribution; Multiple described point airducts 51 are positioned at same vertical plane, and described air-distribution device is corresponding with the air-distribution device vertical direction position of adjacent layer; 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 is connected with peripheral passage with oil return pipe 8 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 inwalls are provided with the contaminated product sheet that makes fluid produce flow-disturbing, and described oil guide pipe 9 is provided with flow-limiting valve.
Hot-air system operation principle, by pipeline, hot gas source is taken a walk in the dry each process of moulded coal, accelerate Drying Process of Coal Briquette, make full use of source of the gas heat, as shown in accompanying drawing 2,3, and air-distribution device vertical direction correspondence, horizontal direction spot distribution, does not hinder the rising of damp and hot air-flow, the upper side of moulded coal is implemented contact hot dry wind, downside is air-flow and the radiant heat of conduction oil, and drying rate is fast, and efficiency is high.
Thermal oil system operation principle, by the classification setting of hot oil pipeline, the contaminated product setting in loop, increase the application of intermediate loop, increase applicability 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, can also avoid the dirt deposition at pipeline dead angle, in conjunction with the large structure of flux and the large area radiator structure of finned tube, change on the whole simple oily circulation cooling.
When hot-air system uses, in drying cavity by 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, via air-introduced machine 3, thermal current is arrived to each air-distribution device by a point airduct 51, arm 52, air-flow blows on moulded coal through the wind distributing hole 62 of air-distribution device; In this process, make the air output of each air-distribution device adapt to designing requirement through the adjusting of main air plate 53 and secondary aerofoil 54.
When thermal oil system uses, start the oil circulating pump on oil return pipe 8, will send into successively oil inlet pipe 7, oil distributing pipe 71, inferior oil distributing pipe 73, a radiating tube 73 through the deep fat of boiler heating; Dispel the heat 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, enters successively secondary radiating tube 83, inferior oil collecting pipe 82, oil collecting pipe 81, finally imports oil return pipe 8 and completes circulation; In the time that drying oven 4 does not need to heat, just can close oil inlet pipe 7 and oil return pipe 8 two valves 92 near drying cavity 4 one sides, circulating pump starts deep fat after radiator 93, flow back in boiler; When the interior excess Temperature of drying oven 4, frequency conversion oil pump 91 actuating section deep fats flow back in boiler after radiator 93, reduce deep fat and flow into drying cavity 4; When drying cavity 4 needs separately when cooling, close oil inlet pipe 7 and oil return pipe 8 two valves 92 away from nearly drying cavity 4 one sides, frequency conversion oil pump 91 starts the deep fat in drying cavity 4 is drained in radiator 93, returns in drying cavity 4 and completes quick heat radiating.
Air-flow in the flue of boiler is the flue gas with Mars particle of high temperature, must be through dedusting, by burning particles elimination, in dust removal process, flue-gas temperature reduces, can directly send in drying cavity 4 by pipeline through air-introduced machine 3, operating temperature in drying cavity 4 is at 200-235 degree, and the gas flow temperature of process deduster 2 is that 250 degree are upper and lower, is just admitted in drying cavity.
Taking the dryer of 25 tphs as example, on average can reach 110 kilograms, 90 kilowatts of average economize on electricitys per hour with this kind of mode saving coal per hour.
The exhausting system at drying cavity 4 tops is to pass drying cavity 4 roofs by air draft air-introduced machine by branch line, be communicated with the top of drying cavity 4 inside, the mouth of pipe of multiple discharge pipes is positioned at the middle part of adjacent air-distribution device, and airflow smooth like this forms convection current smoothly with the air-flow of air-distribution device.
The above embodiment is only preferred embodiment of the present utility model, and is not the exhaustive of the feasible enforcement of the utility model. For persons skilled in the art, any apparent change of under the prerequisite that does not deviate from the utility model principle and spirit, it having been done, within all should being contemplated as falling with claim protection domain of the present utility model.
Claims (10)
1. the two heating systems of coal briquette dryer, it is characterized in that: it comprises hot-air system and thermal oil system, described hot-air system comprises: the air-distribution device of the air-introduced machine (3) being communicated with heated air source by screw type duster (2) and multiple spot distribution of being communicated with air-introduced machine (3) air outlet by pipeline;
The air inlet of described air-introduced machine (3) is communicated with heated air source by deduster (2); Described air-distribution device is positioned at the drying cavity (4) of dryer, and the air outlet of described air-distribution device is downward, and described air-distribution device is positioned at moulded coal top;
Described thermal oil system comprises: oil inlet pipe (7), oil return pipe (8) and be positioned at the cooling system of drying cavity (4);
Described cooling system comprises the oil distributing pipe (71) being communicated with oil inlet pipe (7), the oil collecting pipe (81) being communicated with oil return pipe (8), and described oil distributing pipe (71) and oil collecting pipe (81) are communicated with many group radiator coil tubes by oil guide pipe (9) respectively; Described radiator coil tube is arranged on the bottom of moulded coal chain plate conveyer flase floor;
The contaminated product pipe (74) that described radiator coil tube comprises time oil distributing pipe (72), be communicated with time oil distributing pipe (72) by a radiating tube (73) and pass through the inferior oil collecting pipe (82) that secondary radiating tube (83) is communicated 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).
2. the two heating systems of a kind of coal briquette dryer according to claim 1, is characterized in that: described heated air source is the flue of boiler.
3. the two heating systems of a kind of coal briquette dryer according to claim 2, is characterized in that: described drying cavity (4) is the drying cavity of Horizontal top coal dryer, the be arrangeding in parallel of described radiator coil tube and moulded coal chain plate conveyer flase floor.
4. the two heating systems of a kind of coal briquette dryer according to claim 3, it is characterized in that: described pipeline comprises point airduct (51) being communicated with air-introduced machine (3) air outlet and the arm (52) being communicated with point airduct (51), described air-distribution device is arranged on arm (52), described point of airduct (51) is along moulded coal operation plane distribution, described point of airduct (51) layering setting.
5. the two heating systems of a kind of coal briquette dryer according to claim 4, it is characterized in that: between described arm (52) and point airduct (51), be provided with the main air plate (53) that regulates air quantity, described air-distribution device is provided with point airduct (51) the secondary aerofoil (54) that regulates air quantity.
6. according to the two heating systems of a kind of coal briquette dryer described in claim 1-5 any one, it is characterized in that: described air-distribution device comprises wind chamber (61) and be positioned at multiple wind distributing holes (62) of wind chamber (61) diapire, top, described wind chamber (61) is communicated with dividing an airduct (51) by secondary aerofoil (54).
7. the two heating systems of a kind of coal briquette dryer according to claim 6, it is characterized in that: described main air plate (53) and secondary aerofoil (54) are all grid aerofoils, described wind chamber (61) diapire is rectangle, and diapire width is identical with the moulded coal dispersion of distribution, multiple described wind distributing holes (62) are in wind chamber (61) diapire matrix distribution.
8. the two heating systems of a kind of coal briquette dryer according to claim 4, is characterized in that: multiple described point airducts (51) are positioned at same vertical plane, and described air-distribution device is corresponding with the air-distribution device vertical direction position of adjacent layer.
9. the two heating systems of a kind of coal briquette dryer 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) is connected with peripheral passage with oil return pipe (8) are respectively arranged with valve (92), and described peripheral passage series winding is provided with radiator (93) and frequency conversion oil pump (91).
10. the two heating systems of a kind of coal briquette dryer according to claim 9, is characterized in that: described contaminated product pipe (74) inwall is provided with the contaminated product sheet that makes 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 |
|---|---|---|---|
| CN201521093337.8U CN205262144U (en) | 2015-12-25 | 2015-12-25 | Two heating system of egg -type briquet drying -machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521093337.8U CN205262144U (en) | 2015-12-25 | 2015-12-25 | Two heating system of egg -type briquet drying -machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205262144U true CN205262144U (en) | 2016-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521093337.8U Withdrawn - After Issue CN205262144U (en) | 2015-12-25 | 2015-12-25 | Two heating system of egg -type briquet drying -machine |
Country Status (1)
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| CN (1) | CN205262144U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105953561A (en) * | 2016-06-27 | 2016-09-21 | 张家港欣阳化纤有限公司 | Efficient polyester filament yarn drying equipment |
-
2015
- 2015-12-25 CN CN201521093337.8U patent/CN205262144U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105953561A (en) * | 2016-06-27 | 2016-09-21 | 张家港欣阳化纤有限公司 | Efficient polyester filament yarn drying equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160525 Effective date of abandoning: 20180223 |
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| AV01 | Patent right actively abandoned |