CN100395499C - Drying device using gas as heating source - Google Patents
Drying device using gas as heating source Download PDFInfo
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- CN100395499C CN100395499C CNB2004100154792A CN200410015479A CN100395499C CN 100395499 C CN100395499 C CN 100395499C CN B2004100154792 A CNB2004100154792 A CN B2004100154792A CN 200410015479 A CN200410015479 A CN 200410015479A CN 100395499 C CN100395499 C CN 100395499C
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- raw material
- heating source
- combustion gas
- drying unit
- ventilating duct
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Abstract
The present invention discloses a drying device using fuel gas as a heating source, which comprises a raw material drying barn. The present invention is characterized in that a hot air supply system is connected to a conical body of the barn, hot air uses fuel gas media as the heating source, and a raw material delivery system is connected to a conical opening at the lower end of the barn. The present invention has the advantages of rapid temperature rise, high utilization rates of heat energy, simple structural design, compact layouts, low manufacture cost, easy processing, etc.
Description
Technical field
The present invention relates to a kind of stoving process and equipment thereof, specifically refer to a kind ofly utilize combustion gas to add hot-air, and dry the drying unit of the raw material of goods such as plastics, nylon, rubber and reworked material with hot-air.
Background technology
The raw material of goods such as plastics, nylon, rubber and reworked material all must the oven dry preliminary treatment before carrying out processing and fabricating.The formula oven dry of direct-type hopper oven dry storehouse is normally adopted in existing oven dry preliminary treatment, its version is one and is with in the pyramidal bunker and is provided with electric heating assembly, be charge door on the upper surface of bunker, the raw material after the electrical heating oven dry is directly entered in the production machine by the discharging opening of bunker.The direct-type hopper of this version oven dry storehouse, the oven dry performance is not so good, and residual in the drying material have moisture, and the goods of making through the product forming machine device such as plastics easily produce bubble, substandard product occurs.Especially adopting the electrothermal tube heating, drying, just is heating source with the electricity, and use known to the back on the border factually, the direct-type drying unit that can hold 400 kilograms of plastic raw materials, and per hour power consumption reaches more than 15 degree, the power consumption height.
Under the present situation of a large amount of electric power energies of the many enterprises of current China production demand, save electric power energy, more electric power is applied on the production of low consumption electric energy.The inventor extensively wards off the energy of other alternative electric power, as to use combustion gas be the raw material that coal gas, liquefied gas, biogas, natural gas or the like come heating, drying plastics, nylon, rubber and regenerated plastics, be a kind of saving electric power energy equally, has practical value, an achievement that should be widely promoted.
Summary of the invention
For the product that overcomes the formula oven dry existence of existing direct-type hopper oven dry storehouse has bubble, the quality instability, especially adopt the electrical heating oven dry, very power consumption, problems such as production cost height, simultaneously for the conservation of power energy, with more electricity usage on all trades and professions of more being badly in need of electric energy, the object of the present invention is to provide and a kind ofly utilize combustion gas to add hot-air, and dry the raw material stoving device of goods such as plastics, nylon, rubber and reworked material with hot-air for heating source.
The present invention addresses the above problem the technical scheme that is adopted and is achieved in that a kind of is the drying unit of heating source with the combustion gas, comprise the raw material stoving storehouse, this lower end, storehouse is cone-shaped, the upper end is a charging aperture, its inventive features is the warm-air supply system that is connected with on the cone in this storehouse, described hot blast is to be heating source with the combustion gas medium, described combustion gas is a coal gas, liquefied gas, biogas, natural gas etc., described warm-air supply system is by gas burner, air blast, ventilating duct and electric cabinet are formed, one end of ventilating duct connects gas burner, the other end of ventilating duct connects the raw material stoving storehouse, and air blast and electric cabinet are connected on the outside of ventilating duct; Be connected with source material delivery system on the awl mouth of the lower end in raw material stoving storehouse, described raw material stoving is provided with lamina reticularis in the storehouse.
Gas burner described in the such scheme is made up of combustion gas pump, nozzle and tubular combustion chamber, and the nozzle cylindrical is connected with tubular combustion chamber, and its length of described tubular combustion chamber is less than 1/2nd of ventilating duct length overall.
One end of the described tubular combustion chamber of such scheme is set to horn mouth, and its surfaces externally and internally is provided with the helical wind-guiding groove.The bell-mouthed outer rim of tubular combustion chamber is less than the ventilating duct internal diameter.
Be provided with the hollow air preheating chamber between described ventilating duct of such scheme and the tubular combustion chamber.
The described ventilating duct outer round surface of such scheme is provided with heat-insulation layer.
Source material delivery system described in the such scheme is made up of motor, speed changer, material conveyor, defeated material air blast, conveyance conduit, raw material finished bin, motor is connected in speed changer by driving-belt, be connected with material conveyor on the speed changer, material conveyor one end is connected on the awl mouth of lower end, raw material stoving storehouse, the other end is connected on the feed line road, one end of pipeline is connected with defeated material air blast, and the other end is connected in the upper end of raw material finished bin; The upper end of raw material finished bin is provided with deduster.
Electric cabinet both sides described in the present invention program respectively are provided with combustion gas anti-leak alarm and temperature controller.
Good effect of the present invention and excellent part are: be connected with the warm-air supply system on the cone in the raw material stoving storehouse of its hot-air seasoning device, on the awl mouth of the lower end in this storehouse, be connected with source material delivery system, in the raw material stoving storehouse, be provided with lamina reticularis, when pretreated raw material enters in the raw material stoving storehouse from keeping away the material mouth, enter the raw material surface by the storehouse inner plexiform layer and then to raw material stoving, the raw material after the oven dry is transported in the raw material finished bin by induction system again by the hot-air in the warm-air supply system input storehouse.A part of hot-air enters in the induction system raw material has been carried out secondary drying simultaneously, so drying effect is relatively good, and product quality improves greatly.Especially better to the reworked material processing oven dry of plastic raw materials.It also has energy saving, without electric heating assembly, uses general combustion gas such as coal gas, liquefied gas, natural gas, biogas etc. to be heating source, and quick heating, the high plurality of advantages of heat energy utilization rate.
According to the test contrast, the combustion gas drying unit that can hold 400 kilograms of plastic raw materials per hour consumes only 0.5 kilogram of liquefied gas combustion gas.Can work continuously simultaneously, its production efficiency is higher more than 30% than direct-type hopper oven dry storehouse formula drying unit.This device is applicable to the oven dry of various plastic raw materials.Especially in China's electric power coastal area more in short supply, and be again that the most concentrated province of electricity consumption is assembled by industrial enterprise, the present invention has very practical promotional value.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Accompanying drawing 1 is a topology layout schematic diagram of the present invention;
Shown in the figure 1, the combustion gas pump; 2, air preheating chamber; 3, horn mouth; 4, ventilating duct; 5, motor; 6, speed changer; 7, lamina reticularis; 8, material conveyor; 9, defeated material air blast; 10, conveyance conduit; 11, raw material finished bin; 12, deduster; 13, raw material stoving storehouse; 14, temperature controller; 15, electric cabinet; 16, alarm; 17, air blast; 18, tubular combustion chamber; 19, nozzle; 20, wind-guiding groove;
The specific embodiment:
Is the drying unit of heating source with reference to a kind of shown in the accompanying drawing 1 with the combustion gas, comprises raw material stoving storehouse 13, and this lower end, storehouse is cone-shaped, and the upper end is a charging aperture, is fixedly connected with the warm-air supply system on the cone in this storehouse, and hot blast is to be heating source with the combustion gas medium.The warm-air supply system is made up of gas burner, air blast 17, ventilating duct 4 and electric cabinet 15, the fixedly connected gas burner of one end of ventilating duct 4, the other end of ventilating duct 4 is fixedly connected on the raw material stoving storehouse 13, air blast 17 and electric cabinet 15 are fixedly connected on the outside of ventilating duct 4, be wrapped with insulation material on the outer surface of ventilating duct 4, on the awl mouth of the lower end in raw material stoving storehouse 13, be fixedly connected with source material delivery system.Be provided with lamina reticularis 7 in the raw material drying storehouse 13, lamina reticularis 7 its upper ends are fixedly connected on the middle part of 13 inboards, raw material stoving storehouse, and the lower end is fixedly connected on raw material stoving storehouse 13 discharging openings and seals inboard also the composition.
Source material delivery system is made up of motor 5, speed changer 6, material conveyor 8, defeated material air blast 9, conveyance conduit 10, raw material finished bin 11, motor 5 is movably connected on speed changer 6 by driving-belt, be connected with material conveyor 8 on the speed changer 6, material conveyor 8 one ends are fixedly connected on the awl mouth of 13 lower ends, raw material stoving storehouse, the other end is fixedly connected on the feed line road 10, and the raw material spiral conveyor rod is equipped with in activity in the material conveyor 8.One end of pipeline is fixedly connected with defeated material air blast 9, and the other end is fixedly connected on the upper end of raw material finished bin 11, and deduster 12 fixedly is equipped with in the upper end of raw material finished bin 11.
Combustion gas anti-leak alarm 16 and temperature controller 14 respectively are equipped with in electric cabinet 15 both sides.Combustion gas anti-leak alarm 16 is fixedly mounted on the outer surface of ventilating duct 4, and its combustion gas anti-leak probe extend in the hollow air preheating chamber 2, plays the effect that detects gas leakage.Temperature controller 14 is fixedly mounted on respectively on the outer surface in ventilating duct 4 and raw material stoving storehouse 13, and its temperature probe stretches into respectively in ventilating duct 4 and the raw material stoving storehouse 13, plays the effect of control hot air temperature.
Form by combustion gas pump 1, nozzle 19 and tubular combustion chamber 18 with reference to the gas burner among the present invention program shown in the accompanying drawing 1,2,3, nozzle 19 1 ends are fixedly connected on the front end of combustion gas pump, end is fixedly connected on the ventilating duct 4 in addition, its cylindrical and tubular combustion chamber 18 combustion chamber that is composed of a fixed connection, the length of tubular combustion chamber 18 is less than 1/2nd of ventilating duct 4 length overalls.Because tubular combustion chamber 18 is fixedly connected on the cylindrical of nozzle 19, it plays windbreak function to the combustion flame on the nozzle 19.One end of tubular combustion chamber 18 is set to horn mouth 3, and horn mouth 3 surfaces externally and internallies are provided with helical wind-guiding groove 20, and the air of 20 pairs of preheatings of this helical wind-guiding groove plays the spiral immixture.Tubular combustion chamber 18 1 end horn mouth outer rims 21 play the air-negative-pressure effect less than ventilating duct 4 internal diameters.Ventilating duct 4 and tubular combustion chamber 18 are formed hollow air preheating chamber 2, and it mainly is the cold air of preheating drum blower fan 17 inputs.
Workflow of the present invention is: after gas burner is lighted a fire automatically, nozzle sprays into the tubular combustion Indoor Combustion with combustion gas, when the indoor temperature of tubular combustion rose to 250-400 and spends, electric cabinet was opened air blast and send into the normal temperature air preheating in the hollow chamber of ventilating duct and tubular combustion chamber composition.Air after the preheating is owing to the effect of wind pressure, and the horn mouth outer surface helical wind-guiding groove of its tubular combustion chamber of flowing through forms the negative-pressure vacuum air-flow, and the high-temperature gas that tubular combustion is indoor is extracted out, and high-speed screw is mixed into the following hot-air of 200 degree.
Hot-air is by flow through lamina reticularis in the cone of lower end, raw material stoving storehouse of ventilating duct outlet, enters drying material for the first time in raw material stoving the storehouse in.First drying material enters in the conveyer of source material delivery system through raw material stoving warehouse discharging mouth, by conveyer raw material is sent in the feed line road, and a part of hot-air is entered in the conveyer by discharging opening raw material has been carried out secondary drying.
The defeated material air blast of pipeline one end, with wind with raw material in pipeline is sent into former feed bin.The cold air that defeated simultaneously material air blast is sent into cools off raw material, and the dust that the raw material of cooling produces when sending in the raw material finished bin carries out dedusting by deduster, and the raw material that oven dry is good is packed through discharge hole for discharge.
Electric cabinet was closed gas burner earlier after raw material stoving was finished, and closed the raw material output system again, closed air blast at last, played to prevent that temperature is too high residual raw material is dissolved in raw material stoving storehouse and raw material output system.The raw material stoving flow process is finished.
Claims (10)
1. one kind is the drying unit of heating source with the combustion gas, comprise raw material stoving storehouse (13), this lower end, storehouse is cone-shaped, the upper end is a charging aperture, it is characterized in that on the cone in this storehouse, being connected with the warm-air supply system, described hot blast is to be heating source with the combustion gas medium, described warm-air supply system is made up of gas burner, air blast (17), ventilating duct (4) and electric cabinet (15), one end of ventilating duct connects gas burner, the other end of ventilating duct (4) connects raw material stoving storehouse (13), and air blast (17) and electric cabinet (15) are connected on the outside of ventilating duct (4); On the awl mouth of the lower end of raw material stoving storehouse (13), be connected with source material delivery system, be provided with lamina reticularis (7) in the described raw material stoving storehouse (13).
2. according to claim 1 is the drying unit of heating source with the combustion gas, it is characterized in that gas burner is made up of combustion gas pump (1), nozzle (19) and tubular combustion chamber (18), and nozzle (19) cylindrical is connected with tubular combustion chamber (18) one ends.
3. according to claim 2 is the drying unit of heating source with the combustion gas, it is characterized in that its length of described tubular combustion chamber (18) is less than 1/2nd of ventilating duct (4) length overall.
4. according to claim 3 is the drying unit of heating source with the combustion gas, it is characterized in that tubular combustion chamber (18) other end is set to horn mouth (3).
5. according to claim 4 is the drying unit of heating source with the combustion gas, it is characterized in that its surfaces externally and internally of tubular combustion chamber (18) other end horn mouth (3) is provided with helical wind-guiding groove (20).
6. according to claim 5 is the drying unit of heating source with the combustion gas, it is characterized in that the internal diameter of its outer rim of horn mouth (3) (21) of tubular combustion chamber (18) one ends setting less than ventilating duct (4).
7. according to claim 6 is the drying unit of heating source with the combustion gas, it is characterized in that being provided with hollow air preheating chamber (2) between ventilating duct (4) and the tubular combustion chamber (18).
According to claim 1 or 7 described be the drying unit of heating source with the combustion gas, it is characterized in that described ventilating duct (4) outer fringe surface is provided with heat-insulation layer.
9. according to claim 1 is the drying unit of heating source with the combustion gas, it is characterized in that described source material delivery system is made up of motor (5), speed changer (6), material conveyor (8), air blast (9), conveyance conduit (10), raw material finished bin (11).Motor (5) is connected in speed changer (6) by driving-belt, be connected with material conveyor (8) on the speed changer (6), material conveyor (8) one ends are connected on the awl mouth of lower end, raw material stoving storehouse (13), the other end is connected on the feed line road (10), one end of pipeline (10) is connected with air blast (9), and the other end is connected in the upper end of raw material finished bin (11); The upper end of raw material finished bin (11) is provided with deduster (12).
10. according to claim 1 is the drying unit of heating source with the combustion gas, it is characterized in that described electric cabinet (15) both sides respectively are provided with combustion gas anti-leak alarm (16) and temperature controller (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100154792A CN100395499C (en) | 2004-03-01 | 2004-03-01 | Drying device using gas as heating source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100154792A CN100395499C (en) | 2004-03-01 | 2004-03-01 | Drying device using gas as heating source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1560550A CN1560550A (en) | 2005-01-05 |
| CN100395499C true CN100395499C (en) | 2008-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100154792A Expired - Fee Related CN100395499C (en) | 2004-03-01 | 2004-03-01 | Drying device using gas as heating source |
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| Country | Link |
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| CN (1) | CN100395499C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004156A (en) * | 2015-07-23 | 2015-10-28 | 合肥维巧食品科技有限公司 | Camellia drying device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4329141A (en) * | 1979-11-02 | 1982-05-11 | Bergwerksverband Gmbh | Method of and device for heating finely divided solid particles in conveying ducts |
| CN85203488U (en) * | 1985-08-16 | 1986-06-18 | 辽宁省粮食科研所 | Tower-form grain drier without ventilating box |
| CN1047565A (en) * | 1988-11-03 | 1990-12-05 | Akt顾问有限公司 | The device and method of drying and comminuting matter |
| US5556274A (en) * | 1995-03-15 | 1996-09-17 | Hosokawa Bepex Corporation | Drying apparatus and method for pumpable materials |
| CN2398595Y (en) * | 1999-09-02 | 2000-09-27 | 戴冠勇 | Jet air-flow drying machine |
| JP2001027481A (en) * | 1999-07-12 | 2001-01-30 | Yamamoto Co Ltd | Grain drier |
| CN2497259Y (en) * | 2001-08-16 | 2002-06-26 | 天津市液化气有限责任公司 | Liquefied petroleum gas grain dryer |
| CN2596204Y (en) * | 2002-12-20 | 2003-12-31 | 于长成 | Hot air drier |
-
2004
- 2004-03-01 CN CNB2004100154792A patent/CN100395499C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4329141A (en) * | 1979-11-02 | 1982-05-11 | Bergwerksverband Gmbh | Method of and device for heating finely divided solid particles in conveying ducts |
| CN85203488U (en) * | 1985-08-16 | 1986-06-18 | 辽宁省粮食科研所 | Tower-form grain drier without ventilating box |
| CN1047565A (en) * | 1988-11-03 | 1990-12-05 | Akt顾问有限公司 | The device and method of drying and comminuting matter |
| US5556274A (en) * | 1995-03-15 | 1996-09-17 | Hosokawa Bepex Corporation | Drying apparatus and method for pumpable materials |
| JP2001027481A (en) * | 1999-07-12 | 2001-01-30 | Yamamoto Co Ltd | Grain drier |
| CN2398595Y (en) * | 1999-09-02 | 2000-09-27 | 戴冠勇 | Jet air-flow drying machine |
| CN2497259Y (en) * | 2001-08-16 | 2002-06-26 | 天津市液化气有限责任公司 | Liquefied petroleum gas grain dryer |
| CN2596204Y (en) * | 2002-12-20 | 2003-12-31 | 于长成 | Hot air drier |
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| CN1560550A (en) | 2005-01-05 |
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Granted publication date: 20080618 Termination date: 20140301 |