CN202371976U - Rotating drum and airflow mixed flow drying device of camellia oleifera shell wastes - Google Patents

Rotating drum and airflow mixed flow drying device of camellia oleifera shell wastes Download PDF

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Publication number
CN202371976U
CN202371976U CN2011203729104U CN201120372910U CN202371976U CN 202371976 U CN202371976 U CN 202371976U CN 2011203729104 U CN2011203729104 U CN 2011203729104U CN 201120372910 U CN201120372910 U CN 201120372910U CN 202371976 U CN202371976 U CN 202371976U
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China
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drying
level
rotating drum
dry
dispenser
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Expired - Fee Related
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CN2011203729104U
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Chinese (zh)
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张绪坤
颜流水
黄俭花
余蓉
马怡光
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Nanchang Hangkong University
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Nanchang Hangkong University
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Abstract

The utility model provides a rotating drum and airflow mixed flow drying device of camellia oleifera shell wastes. An air outlet of a primary rotating drum drier is connected with a duplex cyclone dust collector; the primary rotating drum drier and the duplex cyclone dust collector form a primary drying, ventilating and dust collecting passage together with a quadruple cyclone dust collector and a primary drying and ventilating machine unit; a material inlet of the primary rotating drum drier is vertically connected with a primary drying feeder; the primary drying feeder is connected with a scattering device; a material outlet of the primary rotating drum drier is connected with a secondary drying feeder; and the secondary drying feeder is connected with a secondary airflow drier. The rotating drum and airflow mixed flow drying device of the camellia oleifera shell wastes, which is provided by the utility model, has the advantages as follows: by using the rotating drum and airflow mixed flow drying treatment, the water content of the waste camellia oleifera shells after active ingredient extraction is less than 18%; and requirements for producing camellia oleifera shell granular fuels are satisfied.

Description

Oil-tea camellia husks discarded object rotating cylinder and air-flow mixed flow drying device
Technical field
The utility model relates to a kind of drying device, relates in particular to a kind of oil-tea camellia husks discarded object rotating cylinder and air-flow mixed flow drying device.
Background technology
Living beings are to be fixed in tellurian solar energy by photosynthesis of plants; The annual living beings that produce through photosynthesis are
Figure DEST_PATH_DEST_PATH_IMAGE002
ton approximately;, its energy is equivalent to 10 times that world's main fuel consumes approximately; And be less than % of its total amount as the utilization of the energy.As the energy, utilizing in the world is to be main with non-renewable energy resources such as coal, oil, natural gases.Coal-burning power plant, Industrial Boiler and civil boiler discharge a large amount of sulfur dioxide and nitric oxide etc. in atmosphere, make the acid rain pollution problem of China enlarge day by day; Fire coal also produces a large amount of greenhouse gases CO 2Simultaneously, a large amount of dischargings of dust cause air quality to descend.The excessive development and utilization of non-renewable energy resources has not only brought energy crisis, has more brought serious environmental pollution problem day by day.According to estimates, 90% sulfur dioxide in China's atmosphere, 70% flue dust and 85% above carbon dioxide are all from the burning of coal.With the coal facies ratio, it is few that living beings contain ash, and nitrogenous, sulphur also lacks the NO of discharging XAnd SO 2Much smaller than fossil fuel.Therefore, the utilization of biomass energy has become an important directions of new forms of energy.
With the biomass energy is main biomass resource development and use having caused countries in the world government and scientist's concern.There are many countries to formulate corresponding developmental research plan, for example, the energy farm of the new sunlight program of Japan, the green energy resource engineering of India, the U.S. and the alcohol energy programme of Brazil etc., an emerging living beings industry is surging forward just in the world.
Biomass molding fuel is exactly that the low-grade living beings that a minute spreading, quality are loose, energy density is little are changed into uniform particles, unit weight is high, density is big commercial energy.The most frequently used method of biomass molding fuel is to adopt technology for compressing and forming, and the moisture content of biomass material is the most key in a compression forming factor, the too high or too low all moulding well of moisture in the raw material.Expect so that for grain forming the moisture content that generally requires raw material is about 15%~25%; So expect for bar-shaped, block moulding, require the moisture content of raw material to be not more than 10%.Therefore, the oven dry to raw material is the indispensable crucial workshop section of its production process in the biomass granule fuel production.
Its main component of waste oil tea fruit shell after the oil-tea camellia husks discarded object extracts through active component is a crude fibre, and moisture content surpasses 60%, is not suitable for directly being processed into granular fuel.If through the dry moisture of removing; With its solidified forming is highdensity granular fuel, is the ideal fuels that substitutes coal, oil and gas, can energy savings can reduce discharging again; Having good economic benefit and social benefit, is a kind of efficient, clean regenerative resource.
Summary of the invention
The purpose of the utility model is to provide a kind of oil-tea camellia husks discarded object rotating cylinder and air-flow mixed flow drying device; Adopt rotating cylinder and air-flow mixed flow drying to handle through the discarded oil-tea camellia husks after the active component extraction; Its moisture content is reached below 18%, meet the device of the requirement of oil-tea camellia husks granular fuel production, solve dry run and exist energy consumption high; Drying time is long, the low technical barrier that waits of drying efficiency.
The utility model is realized like this; It comprises biomass thermal wind furnace, secondary drying dispenser, secondary air flow drying machine, cyclone separator, secondary drying blower fan, backwind tube, dispersing device, the dry dispenser of one-level, one-level whizzer, bigeminy cyclone dust collectors, tetrad cyclone dust collectors and the dry ventilation blower of one-level, it is characterized in that the biomass thermal wind furnace is connected with the secondary air flow drying machine; Secondary air flow drying machine, cyclone separator and secondary drying blower fan are connected successively, and the secondary drying blower fan is connected through the air inlet of backwind tube with the one-level whizzer, the thermal source of the tail gas of secondary air flow drying as the one-level whizzer; The air outlet of one-level whizzer be connected with the bigeminy cyclone dust collectors and with the tetrad cyclone dust collectors with One-levelDry ventilation blower is formed the dry dust removal by ventilation path of one-level; The charging aperture of said one-level whizzer vertically connects the dry dispenser of one-level; The dry dispenser of one-level connects dispersing device; The discharging opening of one-level whizzer connects the secondary drying dispenser, and the secondary drying dispenser connects the secondary air flow drying machine.
The technique effect of the utility model is: (1) thermal source has adopted two stage combustion, and the biomass thermal wind furnace heat supply of two-stage dust removal has realized the sustainable use of the energy.Employing sectional combustion technology, NO in the flue gas X, SO 2, discharging such as dust is low, realized the low pollution emission of biomass granule fuel production process; (2) adopt mixed flow drying technology; With the heat medium of the dry tail gas of discharging of secondary air flow as the one-level rotary drying; Secondary mixed flow drying technology meets the cascaded utilization of energy principle, and the heat energy of drying medium is fully utilized, and improves the efficiency of energy utilization of drying system.Adopt mixed flow drying technology, the hot-air of high temperature gets into drying system by the secondary air flow drying machine, has guaranteed that the moisture of dried oil-tea camellia husks discarded object can reach requirement; (3) adopt rotating cylinder and air-flow mixed flow drying to handle, its moisture content is reached below 18%, meet the requirement that the oil-tea camellia husks granular fuel is produced through the discarded oil-tea camellia husks after the active component extraction.
Description of drawings
Fig. 1, oil-tea camellia husks discarded object rotating cylinder and air-flow mixed flow drying device vertical view.
Fig. 2, oil-tea camellia husks discarded object rotating cylinder and air-flow mixed flow drying equipment front view.
Fig. 3, one-level whizzer are connected sketch map with the secondary air flow drying air fan.
The specific embodiment
Like Fig. 1, Fig. 2, shown in Figure 3; The utility model is realized like this; It comprises biomass thermal wind furnace 1, secondary drying dispenser 2, secondary air flow drying machine 3, cyclone separator 4, secondary drying blower fan 5, backwind tube 6, dispersing device 7, the dry dispenser 8 of one-level, one-level whizzer 9, bigeminy cyclone dust collectors 10, tetrad cyclone dust collectors 11 and the dry ventilation blower 12 of one-level, it is characterized in that biomass thermal wind furnace 1 is connected with secondary air flow drying machine 3; Secondary air flow drying machine 3, cyclone separator 4 and secondary drying blower fan 5 are connected successively, and secondary drying blower fan 5 is connected through the air inlet of backwind tube 6 with one-level whizzer 9, the thermal source of the tail gas of secondary air flow drying as the one-level whizzer; The air outlet of one-level whizzer 9 is connected with bigeminy cyclone dust collectors 10 and forms the dry dust removal by ventilation path of one-level with the dry ventilation blower 12 of tetrad cyclone dust collectors 11 and one-level; The charging aperture of said one-level whizzer 9 vertically connects the dry dispenser 8 of one-level; The dry dispenser 8 of one-level connects dispersing device 7; The discharging opening of one-level whizzer 9 connects secondary drying dispenser 2, and secondary drying dispenser 2 connects secondary air flow drying machine 3.
The motion flow process of oil-tea camellia husks discarded object in the dry run: the wet oil tea fruit shell discarded object that (1) moisture is high at first enters into the feed end of one-level whizzer 9 under the conveying of dispersing device 7 and the dry dispenser 8 of one-level; Constantly take up and scatter under the effect at the inner flight of rotating cylinder; Add the drive of overdraught; Material has feed end to move to discharge end, arrives the discharging opening of whizzer at last; (2) discharging opening by whizzer enters into the dry dispenser 2 of secondary air flow; Under the conveying of secondary drying dispenser 2, enter into the accelerating sections of secondary air flow drying machine 3; Material produces strong convection heat transfer' heat-transfer by convection and mass transfer at the accelerating sections and the hot blast of pneumatic conveying drying; Material is dried and quickens, and in cyclone separator 4, carries out gas solid separation at last; (3) dried material through gas solid separation enters into finished product bin under the conveying of removal device.
The motion flow process of drying medium in the dry run (air): (4) drying medium (air) is under the effect of secondary air flow drying machine blower fan 5; At first, be heated to form in order to have the very strong high-temperature hot-air of hygroscopicity at the hot blast furnace air through biomass thermal wind furnace 1; (5) high-temperature hot-air gets in the secondary air flow drying machine 3 and carries out the exchange of heat and quality from the partial desiccation material of one-level drying machine, absorbs the moisture in the material, and the moisture in the material is constantly reduced, and reaches drying purpose; (6) high-temperature hot-air exchanges, mixes with constantly carried out caloic by dry material at secondary drying machine 3, arrives cyclone separator 4 at last.The air inlet that is transported to one-level whizzer 9 through the air after the gas solid separation is as the dry thermal source of one-level; (7), but still has certain drying capacity though high-temperature hot-air has absorbed portion of water in the secondary air flow dry run.In one-level whizzer 9,, remove the portion of water in the wet stock carrying out the caloic exchange with the higher wet oil tea fruit shell discarded object of moisture; (8) behind high-temperature hot-air process secondary air flow drying machine 3 and the one-level whizzer 9, absorbed the most of moisture in the material, airborne moisture is near saturation state, and simultaneous temperature in continuous decline, has not had drying capacity yet.Reaching environmental requirement through bigeminy cyclone dust collectors 10 and tetrad cyclone dust collectors 11 is discharged in the atmosphere.
The utility model adopts the drying mode of rotary drying and pneumatic conveying drying mixed flow, has solved the traditional single rotary drying or high, the inefficient problem of energy consumption of pneumatic conveying drying existence.The hot-air of high temperature at first enters in the secondary air flow drying machine, and the oil-tea camellia husks discarded object through preliminarily dried is further removed moisture, can guarantee that the moisture content of dry product reaches the requirement of producing the oil-tea camellia husks granular fuel.The thermal source of the tail gas of secondary air flow drying as the one-level rotary drying, the heat energy of hot blast is fully utilized, improved efficient, reduced energy consumption, practiced thrift drying cost.

Claims (1)

1. oil-tea camellia husks discarded object rotating cylinder and air-flow mixed flow drying device; It comprises biomass thermal wind furnace, secondary drying dispenser, secondary air flow drying machine, cyclone separator, secondary drying blower fan, backwind tube, dispersing device, the dry dispenser of one-level, one-level whizzer, bigeminy cyclone dust collectors, tetrad cyclone dust collectors and the dry ventilation blower of one-level, it is characterized in that the biomass thermal wind furnace is connected with the secondary air flow drying machine; Secondary air flow drying machine, cyclone separator and secondary drying blower fan are connected successively, and the secondary drying blower fan is connected through the air inlet of backwind tube with the one-level whizzer, the thermal source of the tail gas of secondary air flow drying as the one-level whizzer; The air outlet of one-level whizzer is connected with the bigeminy cyclone dust collectors and forms the dry dust removal by ventilation path of one-level with tetrad cyclone dust collectors and the dry ventilation blower of one-level; The charging aperture of said one-level whizzer vertically connects the dry dispenser of one-level; The dry dispenser of one-level connects dispersing device; The discharging opening of one-level whizzer connects the secondary drying dispenser, and the secondary drying dispenser connects the secondary air flow drying machine.
CN2011203729104U 2011-09-28 2011-09-28 Rotating drum and airflow mixed flow drying device of camellia oleifera shell wastes Expired - Fee Related CN202371976U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102322733A (en) * 2011-09-28 2012-01-18 南昌航空大学 Rotary drum and airflow mixed flow drying device for oil-tea fruit shell wastes
CN103789078A (en) * 2012-11-02 2014-05-14 北京中天金谷粮油工程技术有限公司 Special husking and drying technology for oil tea fruits
CN105135855A (en) * 2015-10-13 2015-12-09 江苏新业重工股份有限公司 Drying system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102322733A (en) * 2011-09-28 2012-01-18 南昌航空大学 Rotary drum and airflow mixed flow drying device for oil-tea fruit shell wastes
CN103789078A (en) * 2012-11-02 2014-05-14 北京中天金谷粮油工程技术有限公司 Special husking and drying technology for oil tea fruits
CN105135855A (en) * 2015-10-13 2015-12-09 江苏新业重工股份有限公司 Drying system

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Granted publication date: 20120808

Termination date: 20130928