CN104031667A - Air intake system of rotary furnace - Google Patents

Air intake system of rotary furnace Download PDF

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Publication number
CN104031667A
CN104031667A CN201410295247.0A CN201410295247A CN104031667A CN 104031667 A CN104031667 A CN 104031667A CN 201410295247 A CN201410295247 A CN 201410295247A CN 104031667 A CN104031667 A CN 104031667A
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CN
China
Prior art keywords
charing
chamber
rotating cylinder
mixed allocation
gas mixed
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Granted
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CN201410295247.0A
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Chinese (zh)
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CN104031667B (en
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不公告发明人
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Yongan Qian He Bio Energy Co., Ltd.
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Fujian Jin Nian Ltd Energy Co
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Priority to CN201410295247.0A priority Critical patent/CN104031667B/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/10Biofuels, e.g. bio-diesel

Abstract

The invention discloses an air intake system of a rotary furnace. The system comprises a carbonizing furnace shell, a drum and an air intake system. The system is characterized in that the drum is provided with a carbonizing section part and a drying section part, wherein the carbonizing section part is provided with a radiating piece, a heating chamber is arranged outside the carbonizing section part, the drying section part is provided with a shoveling plate, materials dried in the drying section enter into the carbonizing section to be carbonized to carbonized materials, the discharge end of the carbonizing section part is connected with an aggregate cabin, and the aggregate cabin is connected with a cooling screw of the carbonized materials. The air intake system comprises a carbonized pyrolytic gas outlet in the top of the aggregate cabin, the raw materials entering into the carbonizing section part are heated by the heating chamber in an external heating manner to pyrolyze and carbonize the raw materials in the carbonizing section part, pyrolytic combustible gas generated by pyrolysis and carbonization enters into an induced draft fan at the tail of the furnace to heat the carbonizing section part to carbonize the raw materials and heat the drying section part to heat and dry the materials so as to prevent the leading pipeline and the leading draught fan and the like from being blocked, thereby guaranteeing the production stability. The carbonizing section part has both internal heating and external heating.

Description

A kind of inlet system of rotary oven
Technical field
The present invention relates to a kind of pyrolysis charring equipment, this pyrolysis charring equipment can be applicable to the biomass such as bamboo bits, wood chip enhances pyrolysis charing and can be to heat-dissipating material boiler heat supplying.
Background technology
Collection is dried, charing one, and the strengthening rotation pyrolysis charring equipment that interior heat, outer heat have both, has simplified equipment flowsheet, and turnout treatment capacity is large, obtains carbonized material and the tail gas wood gas of better quality.Traditional biomass carbonated equipment such as bamboo bits, wood chip; to reach charing by 400 DEG C-600 DEG C of the outer hot plate heating of drying plant; in process, equipment heat interchanging area is little; equipment is dried charing split, heat utilization efficiency is low; occupied ground area is large; and adopt pyrolysis charring section material and wood gas hot gas adverse current; because the gas of drawing is cold wood gas; tar in wood gas is cooled to sticky shape fluid; under cold state, easy and sticky shape tar is mixed again for fine powder; very easily cause the obstruction of the equipment such as pipeline and blower fan, often shut down deslagging, can not normally produce.The present invention has adopted the flow process of charing material and the following current of wood gas hot gas, and the gas of drawing is high temperature heating gas, has overcome introduction pipe and the blockage problem of drawing blower fan, has ensured the stability of producing.
Summary of the invention
The object of this invention is to provide a kind of charring furnace that collects the outer hot one of heat in oven dry, charing one, collection.
The object of the present invention is achieved like this, described one the inlet system of rotary oven, comprise charing furnace shell,rotating cylinder and inlet system, it is characterized in that: described rotating cylinder has charing section part and drying section part and the charing section front portion between charing section part and drying section part, rotating cylinder is arranged to that feed end is high, discharge end is low, feed end is burner, discharge end is stove tail, and rotating cylinder is rotated by driven by motor, is provided with flight or radiator element in the rotating cylinder of charing section part, rotating cylinder in charing section part is provided with heating chamber outward, and heating chamber is positioned at charing furnace shell inwall withbetween the charing section part of rotating cylinder, material enters the charing of charing section through charing section front portion after drying in drying section and becomes carbonized material, and the discharge end of the charing section part of the stove tail of rotating cylinder is connected with the cabinet that gathers materials, and the cabinet that gathers materials is connected with the cooling spiral device of carbonized material, described inlet system is included in the outlet of charing pyrolysis gas and the cyclonic separator that the top of the cabinet that gathers materials is provided with, described charing pyrolysis gas outlet is connected with cyclonic separator, cyclonic separator is connected with the stove tail induced draft fan of rotating cylinder, stove tail induced draft fan is connected with the inlet end of three way type induced exhaust, one outlet side of three way type induced exhaust is connected with roasting kiln, the preferred vertical shaft furnace of roasting kiln, another outlet side of three way type induced exhaust is connected with the combustion chamber of biomass boiler, roasting kiln is received an import of a hot gas mixed allocation chamber, roasting kiln is with air intlet, one outlet of hot gas mixed allocation chamber communicates with the heating chamber that the rotating cylinder of charing section part is provided with outward through entering heating chamber regulating gate, another import of hot gas mixed allocation chamber is connected with the exhaust pipe of biomass boiler, another of hot gas mixed allocation chamber exports through flue, tail gas mixing gate is communicated with tail gas mixed allocation chamber, tail gas mixed allocation chamber is located at heating chamber front portion and is communicated with heating chamber, in charing section front portion, converter diffuser is installed, the inlet mouth of converter diffuser is arranged in tail gas mixed allocation chamber and communicates with tail gas mixed allocation chamber, an air outlet in two air outlets of converter diffuser communicates with drying section, another air outlet communicates with charing section, be provided with burner induced draft fan at burner and be connected with burner dust collecting cabinet, burner dust collecting cabinet is connected with the drying section part of the burner of rotating cylinder, drying section part and the raw material external heating mode that enters charing section part is heated to the raw material pyrolysis charring that makes to be arranged in charing section part by heating chamber, carbonized material after charing is through the cabinet that gathers materials, the discharging of cooling spiral device, the pyrolysis combustible gas producing after pyrolysis charring is through the charing pyrolysis gas outlet at the top of the cabinet that gathers materials, pipeline, cyclonic separator enters stove tail induced draft fan, part pyrolysis combustible gas is sent roasting kiln to and is joined oxygen burning, rest part pyrolysis combustible gas is sent biomass boiler combustion chambers burn to, the high temperature hot gas that roasting kiln is joined oxygen burning enters in hot gas mixed allocation chamber, tail gas after biomass boiler burning enters the mixing temperature adjustment of hot gas mixed allocation chamber, in the heating chamber that the rotating cylinder that divides distribution to enter charing section part through entering heating chamber regulating gate after mixing temperature adjustment is provided with outward, and the outer wall of heated drums, tail gas after heating enters in the tail gas mixed allocation chamber communicating with heating chamber, in addition point distribution after the mixing temperature adjustment of hot gas mixed allocation chamber enters in tail gas mixed allocation chamber by another flue, tail gas mixing gate and temperature in temperature adjustment tail gas mixed allocation chamber, under the induced air negative-pressure effect of burner induced draft fan and stove tail induced draft fan, make generation negative pressure in rotating cylinder, make a point distribution after the temperature adjustment in tail gas mixed allocation chamber enter drying section part through a wherein air outlet of converter diffuser the material entering is dried, the tail gas after oven dry is by burner dust collecting cabinet, emptying through burner induced draft fan again, entering charing section part through wherein another air outlet of converter diffuser heats the carbonized material in charing section part.
Described flight or radiator element are to be radially evenly distributed on rotating cylinder inwall.
Described converter diffuser is the six-way valve that has four inlet mouths and two air outlets, and four inlet mouths of converter diffuser are arranged in tail gas mixed allocation chamber and communicate with tail gas mixed allocation chamber.
The described cabinet place that gathers materials at burner dust collecting cabinet and stove tail is respectively provided with vacuum table.
Thermometer is all installed before, during and after heating chamber, on roasting kiln, the cabinet that gathers materials, dust collecting cabinet, hot gas mixed allocation chamber and tail gas mixed allocation chamber, thermometer is all installed.
The object of the present invention is achieved like this, described one the inlet system of rotary oven, comprise charing furnace shell,rotating cylinder and inlet system, it is characterized in that: described rotating cylinder has charing section part and drying section part and the charing section front portion between charing section part and drying section part, rotating cylinder is arranged to that feed end is high, discharge end is low, feed end is burner, discharge end is stove tail, and rotating cylinder is rotated by driven by motor, is provided with interior heat pipe and flight or radiator element in the rotating cylinder of charing section part, rotating cylinder in charing section part is provided with heating chamber outward, and heating chamber is positioned at charing furnace shell inwall withbetween the charing section part of rotating cylinder, interior heat pipe is connected with rotating cylinder inwall and one end is inlet end, the other end outlet side, the inlet end of interior heat pipe and outlet side all communicate with heating chamber, hot gas in heating chamber is entered, then from its outlet side out from the inlet end of interior heat pipe, in the rotating cylinder of drying section part, flight is installed, the discharge end of the charing section part of the stove tail of rotating cylinder is connected with the cabinet that gathers materials, and the cabinet that gathers materials is connected with the cooling spiral device of carbonized material, described inlet system is included in the outlet of charing pyrolysis gas and the cyclonic separator that the top of the cabinet that gathers materials is provided with, described charing pyrolysis gas outlet is connected with cyclonic separator, cyclonic separator is connected with the stove tail induced draft fan of rotating cylinder, stove tail induced draft fan is connected with the inlet end of three way type induced exhaust, one outlet side of three way type induced exhaust is connected with roasting kiln, the preferred vertical shaft furnace of roasting kiln, another outlet side of three way type induced exhaust is connected with the combustion chamber of biomass boiler, roasting kiln is received an import of a hot gas mixed allocation chamber, roasting kiln is with air intlet, one outlet of hot gas mixed allocation chamber communicates with the heating chamber that the rotating cylinder of charing section part is provided with outward through entering heating chamber regulating gate, another import of hot gas mixed allocation chamber is connected with the exhaust pipe of biomass boiler, another of hot gas mixed allocation chamber exports through flue, tail gas mixing gate is communicated with tail gas mixed allocation chamber, tail gas mixed allocation chamber is located at heating chamber front portion and is communicated with heating chamber, converter diffuser is arranged in charing section front portion, the inlet mouth of converter diffuser is arranged in tail gas mixed allocation chamber and communicates with tail gas mixed allocation chamber, an air outlet in two air outlets of converter diffuser communicates with drying section, another air outlet communicates with charing section, described drying section part and the raw material external heating mode that enters charing section part is heated to the raw material pyrolysis charring that makes to be arranged in charing section part by heating chamber, carbonized material after charing is through the cabinet that gathers materials, the discharging of cooling spiral device, the pyrolysis combustible gas producing after pyrolysis charring is through the charing pyrolysis gas outlet at the top of the cabinet that gathers materials, pipeline, cyclonic separator enters stove tail induced draft fan, a pyrolysis combustible gas part is sent vertical shaft furnace to and is joined oxygen burning, redundance pyrolysis combustible gas is sent biomass boiler combustion chambers burn to, the high temperature hot gas that roasting kiln is joined oxygen burning enters hot gas mixed allocation chamber, tail gas after biomass boiler burning enters the mixing temperature adjustment of hot gas mixed allocation chamber, in the heating chamber that the rotating cylinder that divides distribution to enter charing section part through entering heating chamber regulating gate after mixing temperature adjustment is provided with outward, wherein there is a part point distribution to enter the interior heat pipe in charing section, point distribution entering in heating chamber is entered from the inlet end of interior heat pipe, then out also enter tail gas mixed allocation chamber from its outlet side, after the outer cylinder body of part point distribution heated drums, its tail gas enters in tail gas mixed allocation chamber, in addition point distribution after the mixing temperature adjustment of hot gas mixed allocation chamber also enters in tail gas mixed allocation chamber by another flue, tail gas mixing gate and temperature in temperature adjustment tail gas mixed allocation chamber, under the induced air negative-pressure effect of burner induced draft fan and stove tail induced draft fan, make generation negative pressure in rotating cylinder, make point distribution after the temperature adjustment in tail gas mixed allocation chamber enter drying section part to the drying materials entering through an air outlet of converter diffuser, the tail gas after oven dry is through burner dust collecting cabinet, emptying through burner induced draft fan again, entering charing section part through wherein another air outlet of converter diffuser heats the carbonized material in charing section part.
Described flight or radiator element are to be radially evenly distributed on rotating cylinder inwall.
Described converter diffuser is the six-way valve that has four inlet mouths and two air outlets, and four inlet mouths of converter diffuser are arranged in tail gas mixed allocation chamber and communicate with tail gas mixed allocation chamber.
The cabinet place that gathers materials at burner dust collecting cabinet and stove tail is respectively provided with vacuum table.
Thermometer is all installed before, during and after heating chamber, on roasting kiln, the cabinet that gathers materials, dust collecting cabinet, hot gas mixed allocation chamber and tail gas mixed allocation chamber, thermometer is all installed.
The present invention has the following advantages: 1), because collection is dried, charing one, integrate outer heat, interior heat, have that device structure is simple, production output large, the adjustable advantage of carbonized material quality (proportion) height.2) equipment take up an area less, heat waste reduce, cost saving.3) because the wood gas of this process using pyrolysis air-flow and material following current, extraction is hot xyloid coal gas, wood tar oil can coolingly not stick on pipeline and fan blade, avoids producing frequent shutdown cleaning, guarantees normal production.That is: make the temperature of charing section part and drying section part remain comparatively high temps, wood tar oil can coolingly not stick on rotating cylinder, pipeline and fan blade etc., avoid introduction pipe and drawn blower fan because of the blockage problem that the cooling adhesion of wood tar oil causes, having ensured the stability of producing.4) charing section part of the present invention has interior external heat and has both, and has multi source heating function.
Brief description of the drawings
fig. 1 is broken section structural representation of the present invention.
fig. 2 is the plan cross-section structural representation of invention.
Fig. 3 is the A-A sectional view in Fig. 2.
Fig. 4 is the structural representation of converter diffuser used in Fig. 2.
Fig. 5 is the left view of Fig. 4.
fig. 6 is inventionwithout interior heat pipe plan cross-section structural representation.
Fig. 7 is the B-B sectional view in Fig. 6.
Fig. 8 is the structural representation of converter diffuser used in Fig. 6.
Fig. 9 is the left view of Fig. 8.
Embodiment
Embodiment 1(is without interior heat pipe structure)
As shown in Fig. 6, Fig. 7, Fig. 8 and Fig. 9, one of the present invention the inlet system of rotary oven, comprise charing furnace shell 1,rotating cylinder 5 and inlet system, it is characterized in that: described rotating cylinder has charing section part 7 and drying section part 6 and the charing section front portion between charing section part and drying section part, rotating cylinder is arranged to that feed end is high, discharge end is low, feed end is burner, discharge end is stove tail, and rotating cylinder is rotated by driven by motor, is provided with flight or radiator element 25 in the rotating cylinder of charing section part, rotating cylinder in charing section part is provided with heating chamber 9 outward, and heating chamber 9 is positioned at charing furnace shell 1 inwall withbetween the charing section part 7 of rotating cylinder, material enters the charing of charing section through charing section front portion after drying in drying section and becomes carbonized material, and the discharge end of the charing section part of the stove tail of rotating cylinder is connected with the cabinet 11 that gathers materials, and the cabinet that gathers materials is connected with the cooling spiral device 12 of carbonized material, described inlet system is included in the outlet of charing pyrolysis gas and the cyclonic separator 14 that the top of the cabinet 11 that gathers materials is provided with, described charing pyrolysis gas outlet is connected with cyclonic separator, cyclonic separator is connected with the stove tail induced draft fan 15 of rotating cylinder, stove tail induced draft fan is connected with the inlet end of three way type induced exhaust, one outlet side of three way type induced exhaust is connected with roasting kiln, the preferred vertical shaft furnace 16 of roasting kiln, another outlet side of three way type induced exhaust is connected with the combustion chamber of biomass boiler, roasting kiln is received an import of a hot gas mixed allocation chamber, roasting kiln is with air intlet, one outlet of hot gas mixed allocation chamber 17 communicates with the heating chamber 9 that the rotating cylinder of charing section part is provided with outward through entering heating chamber regulating gate 18, another import of hot gas mixed allocation chamber is connected with the exhaust pipe of biomass boiler, another of hot gas mixed allocation chamber 17 exports through flue, tail gas mixing gate 19 is communicated with tail gas mixed allocation chamber 20, tail gas mixed allocation chamber is located at heating chamber front portion and is communicated with heating chamber, in charing section front portion, converter diffuser is installed, the inlet mouth of converter diffuser 21 is arranged in tail gas mixed allocation chamber and communicates with tail gas mixed allocation chamber, an air outlet in two air outlets of converter diffuser communicates with drying section, another air outlet communicates with charing section, be provided with burner induced draft fan 22 at burner and be connected with burner dust collecting cabinet, burner dust collecting cabinet is connected with the drying section part 6 of the burner of rotating cylinder, drying section part and the raw material external heating mode that enters charing section part is heated to the raw material pyrolysis charring that makes to be arranged in charing section part by heating chamber, carbonized material after charing is through the cabinet that gathers materials, the discharging of cooling spiral device, the pyrolysis combustible gas producing after pyrolysis charring is through the charing pyrolysis gas outlet at the top of the cabinet 11 that gathers materials, pipeline, cyclonic separator enters stove tail induced draft fan 15, part pyrolysis combustible gas is sent roasting kiln to and is joined oxygen burning, rest part pyrolysis combustible gas is sent biomass boiler combustion chambers burn to, the high temperature hot gas that roasting kiln is joined oxygen burning enters in hot gas mixed allocation chamber, tail gas after biomass boiler burning enters the mixing temperature adjustment of hot gas mixed allocation chamber, in the heating chamber that the rotating cylinder that divides distribution to enter charing section part through entering heating chamber regulating gate after mixing temperature adjustment is provided with outward, and the outer wall of heated drums, tail gas after heating enters in the tail gas mixed allocation chamber communicating with heating chamber, in addition point distribution after the mixing temperature adjustment of hot gas mixed allocation chamber enters in tail gas mixed allocation chamber by another flue, tail gas mixing gate and temperature in temperature adjustment tail gas mixed allocation chamber, under the induced air negative-pressure effect of burner induced draft fan 22 and stove tail induced draft fan 15, make generation negative pressure in rotating cylinder, make a point distribution after the temperature adjustment in tail gas mixed allocation chamber enter drying section part through a wherein air outlet of converter diffuser the material entering is dried, the tail gas after oven dry is by burner dust collecting cabinet, emptying through burner induced draft fan again, entering charing section part through wherein another air outlet of converter diffuser heats the carbonized material in charing section part.
The present invention can also comprise feeding system, described feeding system comprises that disk feeder 2, scraper plate feeder 3(also can be described as and buries scraper plate feeder, also can adopt the conventional feeder in this area, as embedded scraper transporter), feed auger machine 4(also can adopt the conventional feeder in this area, as: screw feeder), disk feeder connects feed auger machine through scraper plate feeder, feed auger machine 4 is received rotating cylinder 5, by disk feeder through scraper plate feeder, feed auger machine is sent the drying section part 6 in rotating cylinder 5 to biomass materials such as bamboo wood chips, rotating cylinder 5 has charing section part 7 and drying section part 6 and the charing section front portion between charing section part and drying section part, it is high that rotating cylinder is arranged to feed end, discharge end is low, feed end is burner, discharge end is stove tail, rotating cylinder is driven and is rotated by motor (also can comprise transmission rig), in the rotating cylinder of charing section part, be provided with flight or radiator element 25, flight or radiator element are to be radially evenly distributed on (as shown in Figure 7) on rotating cylinder inwall, flight or radiator element can be fixed together with rotating cylinder inwall, flight can adopt the structure of this area routine, also can adopt the patent No. to be 201020628682.8 described structure all can, being provided with heating chamber 9 outward at the rotating cylinder of charing section part, heating chamber 9 is positioned at charing furnace shell 1 inwall withbetween the charing section part 7 of rotating cylinder, heating chamber 9 is positioned at charing furnace shell 1 inwall be positioned atbetween the rotating cylinder outer wall of charing section part 7, flight 10 is installed in the rotating cylinder of drying section part 6, bamboo wood chip is dried in drying section, enter the charing of charing section through charing section front portion again and become carbonized material, the discharge end of the charing section part of the stove tail of rotating cylinder is connected with the cabinet 11 that gathers materials, make the carbonized material becoming through the charing of charing section enter the cabinet that gathers materials (as concentrating the cupboard of stacking material, another effect is the heat of concentrating material), the cabinet 11 that gathers materials is connected with the cooling spiral device 12 of carbonized material, make after the cabinet that gathers materials gathers materials, to enter again in cooling spiral device cooling from charing section charing carbonized material out, after cooling, be carbonized material product, cooling spiral device can adopt the structure of this area routine, also can adopt as spiral-plate heat exchanger etc.
The inlet system of the invention described above specifically, be included in the outlet of charing pyrolysis gas and cyclonic separator 14 that the top of the cabinet 11 that gathers materials is provided with, described charing pyrolysis gas outlet can be connected with cyclonic separator 14 by pipeline 13, cyclonic separator is connected with the stove tail induced draft fan 15 of rotating cylinder, stove tail induced draft fan is connected with the inlet end of three way type induced exhaust, three way type induced exhaust is that induced exhaust is that (it comprises an inlet end for the structure of three way type, two outlet sides, inlet end can only air inlet, can only give vent to anger in two outlet sides), one outlet side of three way type induced exhaust is connected with vertical shaft furnace 16, vertical shaft furnace is the roasting kiln of a kind of vertical structure of this area routine, another outlet side of three way type induced exhaust is connected with the combustion chamber of biomass boiler, vertical shaft furnace is received an import of a hot gas mixed allocation chamber 17, hot gas mixed allocation chamber is the gas proportioning device that a kind of hot gas mixes and distributes, as: the gas mixing cabinet (mixed gases matching cabinet) that this area is conventional, the two yuan of gas mixers of large flow that aim at shielded welding design, being mainly used in central gas supply omnibus bar supports the use, two kinds of gases that this device can use needs carry out proportioning by service requirements, and obtain uniform mixed gas.This serial gas proportioning cabinet has mixed-precision and can reach ± and 1.5%, and the feature such as stable output.Can be widely used in all kinds of shielded welding occasions such as railway, boats and ships, chemical industry, machinofacture; Or adopt Beijing red Bel Instrument Ltd. to sell mAP MIX PROVECTUS gas mixer product, or adopt the disclosed three component distribution static mixing air distributing devices of Suzhou Sheng Yu gas apparatus company limited, its principle is can will be as: the gases such as propane, hydrogen and nitrogen are through variable valve, and under meter adds in mixing tank; Control the flow of propane, hydrogen and nitrogen, and reach the function of adjustments of gas blending ratio, gas mixture mixes through mixing tank, and qualified gas is delivered to place to use by exit from do valve.Three component distribution static mixing air distributing device equipment characteristics: three grades of decompression voltage regulation functions, import depressurized system, the clear demonstration unstripped gas of direct-reading flowmeter ratio, setting device meets the mixture requirement of different tests gas arbitrarily.Vertical shaft furnace is with air intlet, one outlet (can only go out can not air inlet) of hot gas mixed allocation chamber 17 communicates with the heating chamber 9 that the rotating cylinder of charing section part is provided with outward through entering heating chamber regulating gate 18, another import of hot gas mixed allocation chamber 17 is connected with the exhaust pipe of biomass boiler, another of hot gas mixed allocation chamber 17 exports through flue, tail gas mixing gate 19 is communicated with tail gas mixed allocation chamber 20, tail gas mixed allocation cell structure is identical or close with hot gas mixed allocation chamber, tail gas mixed allocation chamber 20 is located at heating chamber 9 front portions and is communicated with heating chamber, converter diffuser 21 is arranged in charing section front portion, converter diffuser is the six-way valve that has four inlet mouths and two air outlets, its structure is the check valve that is provided with only import but no export in four inlet mouths, and in two air outlets, be provided with the check valve of only export but no import, four inlet mouths of converter diffuser are arranged in tail gas mixed allocation chamber and communicate with tail gas mixed allocation chamber, an air outlet in two air outlets of converter diffuser communicates with drying section, another air outlet communicates with charing section.Be provided with burner induced draft fan 22 at burner and be connected with burner dust collecting cabinet, burner dust collecting cabinet (gathering the cupboard of dust), burner dust collecting cabinet is connected with the drying section part 6 of the burner of rotating cylinder.The present invention's gate used can be conventional mechanical shutter, as stainless steel gate, or pneumatic and surge valve or high temperature valve, orthe routine techniquess such as magnetic valve.
Principle of work: the transmission rig of first driving rotating cylinder rotates rotating cylinder, start again burner induced draft fan and stove tail induced draft fan, bamboo wood chip send drying section part in rotating cylinder to, charing section front portion enters charing section part, first uses external heating mode (for routine techniques, such as can be on charing furnace shell, burner is set, past by playing burnerheating chamber heating , or? defeated heat mouthful is set, by defeated heat mouthful handle on charing furnace shellthe high temperature hot gas of 500-800 DEG C is passed to heating chamber, or directly with high temperature heater (HTH) pair the heating of charing furnace shell makes heat pass to by inner wallsheating chamber, as charing furnace shell 1 withthe modes such as electrically heated are set between heating chamber) allow heating chamber be heated to 400-700 DEG C, the charing section part of the temperature action of heating chamber in rotating cylinder makes to be arranged in the bamboo wood chip pyrolysis charring of charing section part, and the carbonization product after charing is through the cabinet 11 that gathers materials, the discharging of cooling spiral device.The pyrolysis combustible gas producing after bamboo wood chip pyrolysis charring is through the charing pyrolysis gas outlet at the top of the cabinet that gathers materials, pipeline, cyclonic separator enters stove tail induced draft fan 15, a part is sent vertical shaft furnace 16 to and is joined oxygen burning, redundance is sent biomass boiler combustion chambers burn to, the high temperature hot gas (now hot gas generally has 800-1200 DEG C) that vertical shaft furnace is joined oxygen burning enters hot gas mixed allocation chamber 17, tail gas after biomass boiler burning also enters in the heating chamber that point distribution after hot gas mixed allocation chamber mixing temperature adjustment (generally can furnishing 400-700 DEG C hot gas) enters charing section part rotating cylinder through entering heating chamber regulating gate is provided with outward, the flight that rotating cylinder inwall is installed or radiator element play the effect of strengthening heating charing section, and the outer wall of heated drums and charing furnace shell inwall, the tail gas after heating enters in the tail gas mixed allocation chamber 20 communicating with heating chamber, point distribution after hot gas mixed allocation chamber mixing temperature adjustment (generally can furnishing 400-700 DEG C) is again by another flue, tail gas mixing gate enters in tail gas mixed allocation chamber 20, playing secondary temperature adjustment makes the temperature in tail gas mixed allocation chamber rise to 300-600 DEG C, under the induced air negative-pressure effect of burner induced draft fan 22 and stove tail induced draft fan 15, make generation negative pressure in rotating cylinder, then point distribution after the temperature adjustment in tail gas mixed allocation chamber enters in rotating cylinder through four inlet mouths of converter diffuser 21, point distribution part entering after the temperature adjustment after rotating cylinder enters drying section oven dry bamboo wood chip, tail gas after oven dry is by burner dust collecting cabinet, emptying through burner induced draft fan again, how a point distribution after another part temperature adjustment once heats the carbonized material in charing section part again again if entering charing section part, form the interior external heat of charing section part of the present invention, heating again, has triple heating functions.The cabinet place that gathers materials at burner dust collecting cabinet and stove tail is respectively provided with vacuum table 23, its objective is the hot gas amount for regulating and controlling to distribute charing section part and drying section part, and the pyrolysis gas of guaranteeing charing section part all flows to stove tail, enter stove tail induced draft fan through the outlet of charing pyrolysis gas, pipeline, the cyclonic separator at the top of the cabinet that gathers materials.If the vacuum table pressure of the present invention's dust collecting cabinet is excessive, reduce the draft of burner induced draft fan air inducing, meet so the interior temperature of rotating cylinder of whole system and effective control that tolerance flows to.
Thermometer is installed in the place that need to control temperature at each, as: thermometer 24 is all installed before, during and after heating chamber, also in vertical shaft furnace, the cabinet that gathers materials, dust collecting cabinet, hot gas mixed allocation chamber, tail gas mixed allocation chamber etc., thermometer is all installed, to control better the temperature of each vitals etc.
Effective control of the tolerance in the rotating cylinder of whole system is by burner induced draft fan, stove tail induced draft fan, enter heating chamber regulating gate, tail gas mixing gate is controlled.
An object controlling like this tolerance and temperature is: make the temperature of charing section part and drying section part remain comparatively high temps, wood tar oil can coolingly not stick on rotating cylinder, pipeline and fan blade etc., avoid introduction pipe and drawn blower fan because of the blockage problem that the cooling adhesion of wood tar oil causes, having ensured the stability of producing.
Embodiment 2(has interior heat pipe structure)
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, one of the present invention the inlet system of rotary oven, comprise charing furnace shell 1,rotating cylinder 5 and inlet system, it is characterized in that: described rotating cylinder 5 has charing section part 7 and drying section part 6 and the charing section front portion between charing section part and drying section part, rotating cylinder is arranged to that feed end is high, discharge end is low, feed end is burner, discharge end is stove tail, and rotating cylinder is rotated by driven by motor, is provided with interior heat pipe 8 and flight or radiator element in the rotating cylinder of charing section part, rotating cylinder in charing section part is provided with heating chamber 9 outward, and heating chamber is positioned at charing furnace shell 1 inwall withbetween the charing section part 7 of rotating cylinder, interior heat pipe 8 is connected with rotating cylinder inwall and one end is inlet end, the other end outlet side, the inlet end of interior heat pipe and outlet side all communicate with heating chamber, hot gas in heating chamber is entered, then from its outlet side out from the inlet end of interior heat pipe, flight 10 is installed in the rotating cylinder of drying section part, the discharge end of the charing section part of the stove tail of rotating cylinder is connected with the cabinet 11 that gathers materials, and the cabinet that gathers materials is connected with the cooling spiral device 12 of carbonized material, described inlet system is included in the outlet of charing pyrolysis gas and the cyclonic separator 14 that the top of the cabinet 11 that gathers materials is provided with, described charing pyrolysis gas outlet is connected with cyclonic separator, cyclonic separator is connected with the stove tail induced draft fan 15 of rotating cylinder, stove tail induced draft fan is connected with the inlet end of three way type induced exhaust, one outlet side of three way type induced exhaust is connected with roasting kiln, the preferred vertical shaft furnace 16 of roasting kiln, another outlet side of three way type induced exhaust is connected with the combustion chamber of biomass boiler, roasting kiln is received an import of a hot gas mixed allocation chamber 17, roasting kiln is with air intlet, one outlet of hot gas mixed allocation chamber 17 communicates with the heating chamber that the rotating cylinder of charing section part is provided with outward through entering heating chamber regulating gate 18, another import of hot gas mixed allocation chamber is connected with the exhaust pipe of biomass boiler, another of hot gas mixed allocation chamber 17 exports through flue, tail gas mixing gate 19 is communicated with tail gas mixed allocation chamber 20, tail gas mixed allocation chamber 20 is located at heating chamber 9 front portions and is communicated with heating chamber, converter diffuser 21 is arranged in charing section front portion, the inlet mouth of converter diffuser 21 is arranged in tail gas mixed allocation chamber and communicates with tail gas mixed allocation chamber, an air outlet in two air outlets of converter diffuser communicates with drying section, another air outlet communicates with charing section, described drying section part and the raw material external heating mode that enters charing section part is heated to the raw material pyrolysis charring that makes to be arranged in charing section part by heating chamber, carbonized material after charing is through the cabinet that gathers materials, the discharging of cooling spiral device, the pyrolysis combustible gas producing after pyrolysis charring is through the charing pyrolysis gas outlet at the top of the cabinet that gathers materials, pipeline, cyclonic separator enters stove tail induced draft fan, a pyrolysis combustible gas part is sent vertical shaft furnace to and is joined oxygen burning, redundance pyrolysis combustible gas is sent biomass boiler combustion chambers burn to, the high temperature hot gas that roasting kiln is joined oxygen burning enters hot gas mixed allocation chamber 17, tail gas after biomass boiler burning enters the mixing temperature adjustment of hot gas mixed allocation chamber, in the heating chamber 9 that the rotating cylinder that divides distribution to enter charing section part through entering heating chamber regulating gate after mixing temperature adjustment is provided with outward, wherein there is a part point distribution to enter the interior heat pipe 8 in charing section, point distribution entering in heating chamber is entered from the inlet end of interior heat pipe, then out also enter tail gas mixed allocation chamber from its outlet side, after the outer cylinder body of part point distribution heated drums, its tail gas enters in tail gas mixed allocation chamber 20, in addition point distribution after the mixing temperature adjustment of hot gas mixed allocation chamber also enters in tail gas mixed allocation chamber by another flue, tail gas mixing gate and temperature in temperature adjustment tail gas mixed allocation chamber, under the induced air negative-pressure effect of burner induced draft fan 22 and stove tail induced draft fan 15, make generation negative pressure in rotating cylinder, make point distribution after the temperature adjustment in tail gas mixed allocation chamber enter drying section part to the drying materials entering through an air outlet of converter diffuser, the tail gas after oven dry is through burner dust collecting cabinet, emptying through burner induced draft fan again, entering charing section part through wherein another air outlet of converter diffuser heats the carbonized material in charing section part.
The present invention can also comprise feeding system, described feeding system comprises that disk feeder 2, scraper plate feeder 3(also can be described as and buries scraper plate feeder, also can adopt the conventional feeder in this area, as embedded scraper transporter), feed auger machine 4(also can adopt the conventional feeder in this area, as: screw feeder), disk feeder connects feed auger machine through scraper plate feeder, feed auger machine 4 is received rotating cylinder 5, by disk feeder through scraper plate feeder, feed auger machine is sent the drying section part 6 in rotating cylinder 5 to biomass materials such as bamboo wood chips, rotating cylinder 5 has charing section part 7 and drying section part 6 and the charing section front portion between charing section part and drying section part, it is high that rotating cylinder is arranged to feed end, discharge end is low, feed end is burner, discharge end is stove tail, rotating cylinder is rotated by driven by motor, in the rotating cylinder of charing section part, be provided with interior heat pipe 8 and flight or radiator element, flight or radiator element can be fixed together with rotating cylinder inwall, flight can adopt the structure of this area routine, also can adopt the patent No. to be 201020628682.8 described structure all can, being provided with heating chamber 9 outward at the rotating cylinder of charing section part, heating chamber 9 is positioned at charing furnace shell 1 inwall withbetween the charing section part 7 of rotating cylinder, interior heat pipe 8 is connected with the cylindrical shell of rotating cylinder and one end is inlet end, the other end outlet side, the inlet end of interior heat pipe and outlet side communicate with heating chamber, hot gas in heating chamber is entered from the inlet end of interior heat pipe, then from its outlet side out, flight 10 is installed in the rotating cylinder of drying section part 6, bamboo wood chip is dried in drying section, enter the charing of charing section through charing section front portion again and become carbonized material, the discharge end of the charing section part of the stove tail of rotating cylinder is connected with the cabinet 11 that gathers materials, make the carbonized material becoming through the charing of charing section enter the cabinet that gathers materials (as concentrating the cupboard of stacking material, another effect is the heat of concentrating material), the cabinet 11 that gathers materials is connected with the cooling spiral device 12 of carbonized material, make after the cabinet that gathers materials gathers materials, to enter again in cooling spiral device cooling from charing section charing carbonized material out, after cooling, be carbonized material product, cooling spiral device can adopt the structure of this area routine, also can adopt as spiral-plate heat exchanger etc.
The inlet system of the invention described above specifically, be included in the outlet of charing pyrolysis gas and cyclonic separator that the top of the cabinet 11 that gathers materials is provided with, described charing pyrolysis gas outlet can be connected with cyclonic separator 14 by pipeline 13, cyclonic separator is connected with the stove tail induced draft fan 15 of rotating cylinder, stove tail induced draft fan 15 is connected with the inlet end of three way type induced exhaust, three way type induced exhaust is that induced exhaust is that (it comprises an inlet end for the structure of three way type, two outlet sides, inlet end can only air inlet, can only give vent to anger in two outlet sides), one outlet side of three way type induced exhaust is connected with vertical shaft furnace 16, vertical shaft furnace is the roasting kiln of a kind of vertical structure of this area routine, another outlet side of three way type induced exhaust is connected with the combustion chamber of biomass boiler, vertical shaft furnace is connected with an import of a hot gas mixed allocation chamber 17, hot gas mixed allocation chamber is the gas proportioning device that a kind of hot gas mixes and distributes, the technology that can realize for those skilled in the art, as: the gas mixing cabinet (mixed gases matching cabinet) that this area is conventional, two yuan of large flows or the multicomponent gas mixing device that aims at shielded welding design, being mainly used in central gas supply omnibus bar supports the use, two or more gases that this device can use needs carry out proportioning by service requirements, and obtain uniform mixed gas.This serial gas proportioning cabinet has mixed-precision and can reach ± and 1.5%, and the feature such as stable output.Can be widely used in all kinds of shielded welding occasions such as railway, boats and ships, chemical industry, machinofacture; Or adopt Beijing red Bel Instrument Ltd. to sell mAP MIX PROVECTUS gas mixer product, or adopt the disclosed three component distribution static mixing air distributing devices of Suzhou Sheng Yu gas apparatus company limited, its principle is can will be as: the gases such as propane, hydrogen and nitrogen are through variable valve, and under meter adds in mixing tank; Control the flow of propane, hydrogen and nitrogen, and reach the function of adjustments of gas blending ratio, gas mixture evenly mixes through mixing tank, and qualified gas is delivered to place to use by exit from do valve.Three component distribution static mixing air distributing device equipment characteristics: three grades of decompression voltage regulation functions, import depressurized system, the clear demonstration unstripped gas of direct-reading flowmeter ratio, setting device meets the mixture requirement of different tests gas arbitrarily.Vertical shaft furnace is with air intlet, one outlet (only export but no import) of hot gas mixed allocation chamber 17 communicates with the heating chamber 9 that the rotating cylinder of charing section part is provided with outward through entering heating chamber regulating gate 18, another import (can only enter and can not go out) of hot gas mixed allocation chamber is connected with the exhaust pipe of biomass boiler, another outlet (can only enter and can not go out) of hot gas mixed allocation chamber 17 is through flue, tail gas mixing gate 19 is communicated with tail gas mixed allocation chamber 20, tail gas mixed allocation cell structure is identical with hot gas mixed allocation chamber, tail gas mixed allocation chamber 20 is located at heating chamber 9 front portions and is communicated with heating chamber, converter diffuser 21 is arranged in charing section front portion, converter diffuser is the six-way valve that has four inlet mouths and two air outlets, its structure is the check valve that is provided with only import but no export in four inlet mouths, and in two air outlets, be provided with the check valve of only export but no import, four inlet mouths of converter diffuser are arranged in tail gas mixed allocation chamber and communicate with tail gas mixed allocation chamber, an air outlet in two air outlets of converter diffuser communicates with drying section, another air outlet communicates with charing section.Be provided with burner induced draft fan 22 at burner and be connected with burner dust collecting cabinet, burner dust collecting cabinet (gathering the cupboard of dust), burner dust collecting cabinet is connected with the drying section part 6 of the burner of rotating cylinder.
Principle of work: motor and the transmission rig thereof of first driving rotating cylinder rotate rotating cylinder, start again burner induced draft fan and stove tail induced draft fan, bamboo wood chip send drying section part in rotating cylinder to, charing section front portion enters charing section part, first use external heating mode (as the modes such as electrically heated are set) to allow heating chamber be heated to 400-700 DEG C, the charing section part of the temperature action of heating chamber in rotating cylinder makes to be arranged in the bamboo wood chip pyrolysis charring of charing section part, and the carbonization product after charing is through the cabinet 11 that gathers materials, the discharging of cooling spiral device.The pyrolysis combustible gas (high temperature) producing after bamboo wood chip pyrolysis charring is through the charing pyrolysis gas outlet at the top of the cabinet that gathers materials, pipeline, cyclonic separator enters stove tail induced draft fan 15, a part is sent vertical shaft furnace 16 to and is joined oxygen burning, redundance is sent biomass boiler combustion chambers burn to, the high temperature hot gas (now hot gas generally has 800-1200 DEG C) that vertical shaft furnace is joined oxygen burning enters hot gas mixed allocation chamber 17, point distribution that tail gas after biomass boiler burning also enters after the mixing temperature adjustment of hot gas mixed allocation chamber (generally can furnishing 400-700 DEG C hot gas) enters through entering heating chamber regulating gate in the heating chamber 9 that the rotating cylinder of charing section part is provided with outward, wherein there is a part point distribution also to enter the interior heat pipe 8 in charing section, its strengthening heating charing section effect, the flight that rotating cylinder inwall is installed or radiator element play the effect of strengthening heating charing section, point distribution now entering in heating chamber is entered from the inlet end of interior heat pipe, then out also enter tail gas mixed allocation chamber from its outlet side, the wherein outer cylinder body of another part point distribution heated drums, the tail gas after heating enters in tail gas mixed allocation chamber, point distribution after hot gas mixed allocation chamber mixing temperature adjustment (generally can furnishing 400-700 DEG C) is again by another flue, tail gas mixing gate enters in tail gas mixed allocation chamber 20, playing secondary temperature adjustment makes the temperature in tail gas mixed allocation chamber rise to 300-600 DEG C, under the induced air negative-pressure effect of burner induced draft fan 22 and stove tail induced draft fan 15, make generation negative pressure in rotating cylinder, then point distribution after the temperature adjustment in tail gas mixed allocation chamber enters in rotating cylinder through four inlet mouths of converter diffuser 21, point distribution part entering after the temperature adjustment after rotating cylinder enters drying section part and dries bamboo wood chip, tail gas after oven dry is through burner dust collecting cabinet, emptying through burner induced draft fan again, a point distribution after another part temperature adjustment enters charing section part heats in many charing sections again, and the interior external heat that forms charing section of the present invention has both, and has triple heating functions.The cabinet place that gathers materials at burner dust collecting cabinet and stove tail is respectively provided with vacuum table 23, its objective is the hot gas amount for regulating and controlling to distribute charing section part and drying section part, and the pyrolysis gas of guaranteeing charing section part all flows to stove tail, enter stove tail induced draft fan through the outlet of charing pyrolysis gas, pipeline, the cyclonic separator at the top of the cabinet that gathers materials.The present invention, in the time that the vacuum table pressure of dust collecting cabinet is excessive, will reduce the draft of burner induced draft fan air inducing, so just can meet effective control that in the rotating cylinder of whole system, temperature and tolerance flow to.
Thermometer is installed in the place that need to control temperature at each, as: thermometer 24 is all installed before, during and after heating chamber, also in vertical shaft furnace, the cabinet that gathers materials, dust collecting cabinet, hot gas mixed allocation chamber, tail gas mixed allocation chamber etc., thermometer is all installed, to control better the temperature of each vitals etc.
Effective control of the tolerance in the rotating cylinder of whole system is by burner induced draft fan, stove tail induced draft fan, enter heating chamber regulating gate, tail gas mixing gate is controlled.
An object controlling like this tolerance and temperature is: make the temperature of charing section part and drying section part remain comparatively high temps, wood tar oil can coolingly not stick on rotating cylinder, pipeline and fan blade etc., avoid introduction pipe and drawn blower fan because of the blockage problem that the cooling adhesion of wood tar oil causes, having ensured the stability of producing.

Claims (10)

1. one kind the inlet system of rotary oven, comprise charing furnace shell,rotating cylinder and inlet system, it is characterized in that: described rotating cylinder has charing section part and drying section part and the charing section front portion between charing section part and drying section part, rotating cylinder is arranged to that feed end is high, discharge end is low, feed end is burner, discharge end is stove tail, and rotating cylinder is rotated by driven by motor, is provided with flight or radiator element in the rotating cylinder of charing section part, rotating cylinder in charing section part is provided with heating chamber outward, and heating chamber is positioned at charing furnace shell inwall withbetween the charing section part of rotating cylinder, material enters the charing of charing section through charing section front portion after drying in drying section and becomes carbonized material, and the discharge end of the charing section part of the stove tail of rotating cylinder is connected with the cabinet that gathers materials, and the cabinet that gathers materials is connected with the cooling spiral device of carbonized material, described inlet system is included in the outlet of charing pyrolysis gas and the cyclonic separator that the top of the cabinet that gathers materials is provided with, described charing pyrolysis gas outlet is connected with cyclonic separator, cyclonic separator is connected with the stove tail induced draft fan of rotating cylinder, stove tail induced draft fan is connected with the inlet end of three way type induced exhaust, one outlet side of three way type induced exhaust is connected with roasting kiln, the preferred vertical shaft furnace of roasting kiln, another outlet side of three way type induced exhaust is connected with the combustion chamber of biomass boiler, roasting kiln is received an import of a hot gas mixed allocation chamber, roasting kiln is with air intlet, one outlet of hot gas mixed allocation chamber communicates with the heating chamber that the rotating cylinder of charing section part is provided with outward through entering heating chamber regulating gate, another import of hot gas mixed allocation chamber is connected with the exhaust pipe of biomass boiler, another of hot gas mixed allocation chamber exports through flue, tail gas mixing gate is communicated with tail gas mixed allocation chamber, tail gas mixed allocation chamber is located at heating chamber front portion and is communicated with heating chamber, in charing section front portion, converter diffuser is installed, the inlet mouth of converter diffuser is arranged in tail gas mixed allocation chamber and communicates with tail gas mixed allocation chamber, an air outlet in two air outlets of converter diffuser communicates with drying section, another air outlet communicates with charing section, be provided with burner induced draft fan at burner and be connected with burner dust collecting cabinet, burner dust collecting cabinet is connected with the drying section part of the burner of rotating cylinder, drying section part and the raw material external heating mode that enters charing section part is heated to the raw material pyrolysis charring that makes to be arranged in charing section part by heating chamber, carbonized material after charing is through the cabinet that gathers materials, the discharging of cooling spiral device, the pyrolysis combustible gas producing after pyrolysis charring is through the charing pyrolysis gas outlet at the top of the cabinet that gathers materials, pipeline, cyclonic separator enters stove tail induced draft fan, part pyrolysis combustible gas is sent roasting kiln to and is joined oxygen burning, rest part pyrolysis combustible gas is sent biomass boiler combustion chambers burn to, the high temperature hot gas that roasting kiln is joined oxygen burning enters in hot gas mixed allocation chamber, tail gas after biomass boiler burning enters the mixing temperature adjustment of hot gas mixed allocation chamber, in the heating chamber that the rotating cylinder that divides distribution to enter charing section part through entering heating chamber regulating gate after mixing temperature adjustment is provided with outward, and the outer wall of heated drums, tail gas after heating enters in the tail gas mixed allocation chamber communicating with heating chamber, in addition point distribution after the mixing temperature adjustment of hot gas mixed allocation chamber enters in tail gas mixed allocation chamber by another flue, tail gas mixing gate and temperature in temperature adjustment tail gas mixed allocation chamber, under the induced air negative-pressure effect of burner induced draft fan and stove tail induced draft fan, make generation negative pressure in rotating cylinder, make a point distribution after the temperature adjustment in tail gas mixed allocation chamber enter drying section part through a wherein air outlet of converter diffuser the material entering is dried, the tail gas after oven dry is by burner dust collecting cabinet, emptying through burner induced draft fan again, entering charing section part through wherein another air outlet of converter diffuser heats the carbonized material in charing section part.
2. one according to claim 1 the inlet system of rotary oven, it is characterized in that: flight or radiator element are to be radially evenly distributed on rotating cylinder inwall.
3. one according to claim 1 and 2 the inlet system of rotary oven, it is characterized in that: converter diffuser is the six-way valve that has four inlet mouths and two air outlets, four inlet mouths of converter diffuser are arranged in tail gas mixed allocation chamber and communicate with tail gas mixed allocation chamber.
4. one according to claim 1 and 2 the inlet system of rotary oven, it is characterized in that: the cabinet place that gathers materials at burner dust collecting cabinet and stove tail is respectively provided with vacuum table.
5. one according to claim 1 and 2 the inlet system of rotary oven, it is characterized in that: thermometer is all installed before, during and after heating chamber, on roasting kiln, the cabinet that gathers materials, dust collecting cabinet, hot gas mixed allocation chamber and tail gas mixed allocation chamber, thermometer is all installed.
6. one kind the inlet system of rotary oven, comprise charing furnace shell,rotating cylinder and inlet system, it is characterized in that: described rotating cylinder has charing section part and drying section part and the charing section front portion between charing section part and drying section part, rotating cylinder is arranged to that feed end is high, discharge end is low, feed end is burner, discharge end is stove tail, and rotating cylinder is rotated by driven by motor, is provided with interior heat pipe and flight or radiator element in the rotating cylinder of charing section part, rotating cylinder in charing section part is provided with heating chamber outward, and heating chamber is positioned at charing furnace shell inwall withbetween the charing section part of rotating cylinder, interior heat pipe is connected with rotating cylinder inwall and one end is inlet end, the other end outlet side, the inlet end of interior heat pipe and outlet side all communicate with heating chamber, hot gas in heating chamber is entered, then from its outlet side out from the inlet end of interior heat pipe, in the rotating cylinder of drying section part, flight is installed, the discharge end of the charing section part of the stove tail of rotating cylinder is connected with the cabinet that gathers materials, and the cabinet that gathers materials is connected with the cooling spiral device of carbonized material, described inlet system is included in the outlet of charing pyrolysis gas and the cyclonic separator that the top of the cabinet that gathers materials is provided with, described charing pyrolysis gas outlet is connected with cyclonic separator, cyclonic separator is connected with the stove tail induced draft fan of rotating cylinder, stove tail induced draft fan is connected with the inlet end of three way type induced exhaust, one outlet side of three way type induced exhaust is connected with roasting kiln, the preferred vertical shaft furnace of roasting kiln, another outlet side of three way type induced exhaust is connected with the combustion chamber of biomass boiler, roasting kiln is received an import of a hot gas mixed allocation chamber, roasting kiln is with air intlet, one outlet of hot gas mixed allocation chamber communicates with the heating chamber that the rotating cylinder of charing section part is provided with outward through entering heating chamber regulating gate, another import of hot gas mixed allocation chamber is connected with the exhaust pipe of biomass boiler, another of hot gas mixed allocation chamber exports through flue, tail gas mixing gate is communicated with tail gas mixed allocation chamber, tail gas mixed allocation chamber is located at heating chamber front portion and is communicated with heating chamber, converter diffuser is arranged in charing section front portion, the inlet mouth of converter diffuser is arranged in tail gas mixed allocation chamber and communicates with tail gas mixed allocation chamber, an air outlet in two air outlets of converter diffuser communicates with drying section, another air outlet communicates with charing section, described drying section part and the raw material external heating mode that enters charing section part is heated to the raw material pyrolysis charring that makes to be arranged in charing section part by heating chamber, carbonized material after charing is through the cabinet that gathers materials, the discharging of cooling spiral device, the pyrolysis combustible gas producing after pyrolysis charring is through the charing pyrolysis gas outlet at the top of the cabinet that gathers materials, pipeline, cyclonic separator enters stove tail induced draft fan, a pyrolysis combustible gas part is sent vertical shaft furnace to and is joined oxygen burning, redundance pyrolysis combustible gas is sent biomass boiler combustion chambers burn to, the high temperature hot gas that roasting kiln is joined oxygen burning enters hot gas mixed allocation chamber, tail gas after biomass boiler burning enters the mixing temperature adjustment of hot gas mixed allocation chamber, in the heating chamber that the rotating cylinder that divides distribution to enter charing section part through entering heating chamber regulating gate after mixing temperature adjustment is provided with outward, wherein there is a part point distribution to enter the interior heat pipe in charing section, point distribution entering in heating chamber is entered from the inlet end of interior heat pipe, then out also enter tail gas mixed allocation chamber from its outlet side, after the outer cylinder body of part point distribution heated drums, its tail gas enters in tail gas mixed allocation chamber, in addition point distribution after the mixing temperature adjustment of hot gas mixed allocation chamber also enters in tail gas mixed allocation chamber by another flue, tail gas mixing gate and temperature in temperature adjustment tail gas mixed allocation chamber, under the induced air negative-pressure effect of burner induced draft fan and stove tail induced draft fan, make generation negative pressure in rotating cylinder, make point distribution after the temperature adjustment in tail gas mixed allocation chamber enter drying section part to the drying materials entering through an air outlet of converter diffuser, the tail gas after oven dry is through burner dust collecting cabinet, emptying through burner induced draft fan again, entering charing section part through wherein another air outlet of converter diffuser heats the carbonized material in charing section part.
7. one according to claim 6 the inlet system of rotary oven, it is characterized in that: flight or radiator element are to be radially evenly distributed on rotating cylinder inwall.
8. according to the one described in claim 6 or 7 the inlet system of rotary oven, it is characterized in that: converter diffuser is the six-way valve that has four inlet mouths and two air outlets, four inlet mouths of converter diffuser are arranged in tail gas mixed allocation chamber and communicate with tail gas mixed allocation chamber.
9. according to the one described in claim 6 or 7 the inlet system of rotary oven, it is characterized in that: the cabinet place that gathers materials at burner dust collecting cabinet and stove tail is respectively provided with vacuum table.
10. according to the one described in claim 6 or 7 the inlet system of rotary oven, it is characterized in that: thermometer is all installed before, during and after heating chamber, on roasting kiln, the cabinet that gathers materials, dust collecting cabinet, hot gas mixed allocation chamber and tail gas mixed allocation chamber, thermometer is all installed.
CN201410295247.0A 2014-06-26 2014-06-26 A kind of inlet system of rotary oven Active CN104031667B (en)

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