CN106338189A - Drying system - Google Patents

Drying system Download PDF

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Publication number
CN106338189A
CN106338189A CN201610581748.4A CN201610581748A CN106338189A CN 106338189 A CN106338189 A CN 106338189A CN 201610581748 A CN201610581748 A CN 201610581748A CN 106338189 A CN106338189 A CN 106338189A
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CN
China
Prior art keywords
drying
roller
raw material
warm
cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610581748.4A
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Chinese (zh)
Inventor
张大连
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiamen Dianjiang Group Co Ltd
Original Assignee
Xiamen Dianjiang Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xiamen Dianjiang Group Co Ltd filed Critical Xiamen Dianjiang Group Co Ltd
Priority to CN201610581748.4A priority Critical patent/CN106338189A/en
Publication of CN106338189A publication Critical patent/CN106338189A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/02Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
    • F26B11/04Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
    • F26B11/0436Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis comprising multiple stages, e.g. multiple rotating drums subsequently receiving the material to be dried; Provisions for heat recuperation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/006Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects the gas supply or exhaust being effected through hollow spaces or cores in the materials or objects, e.g. tubes, pipes, bottles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/005Treatment of dryer exhaust gases
    • F26B25/007Dust filtering; Exhaust dust filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06Chambers, containers, or receptacles
    • F26B25/14Chambers, containers, receptacles of simple construction
    • F26B25/16Chambers, containers, receptacles of simple construction mainly closed, e.g. drum
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/02Biomass, e.g. waste vegetative matter, straw

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention discloses a drying system and a material drying method. The drying system comprises a raw material primary drum dry line and a raw material secondary drum dry line; each of the drum dry line comprises an insulation room, a drying drum and a heat source furnace; each insulation room is arranged at the periphery of the corresponding drying drum; a hot air flowing space is formed between each drying drum and the corresponding insulation room; each heat source furnace is connected with one end of a hot air duct; the other end of each hot air duct extends to a spark settlement region in the corresponding hot air flowing space; each drying drum is provided with a feeding end, a drum, a bearing wheel group, a reduction mechanism and a discharge end; and one side, close to the feeding end of the drying drum, of the spark settlement region of the raw material primary drum dry line is provided with a fully-closed firewall for partitioning the hot air flowing space, so that hot air from the hot air duct enters the drum from the discharge end of the drying drum under the condition of being blocked by the fully-closed firewall and forms reverse flow with a material.

Description

Drying system
Technical field
The present invention relates to a kind of drying system, more particularly to a kind of it is mainly used in drying coconut shell flour, the drying of palm silk System.The priority of application claims earlier application cn201620165177.1.
Background technology
Palm silk is the discarded object producing palm oil, and the palm silk of abandonment can be to environment, and palm silk slurrying is made Paper, granulation are done fuel etc. and were both solved the problems, such as environmental pollution, and successfully provide one for the industry such as paper industry, bioenergy Plant new raw material.The drying technology of palm silk will become more and more extensively and important.And traditional palm silk is dried by rotation Cylinder is dried, and dryer mainly includes heat source furnace, feed hopper, drying roller, discharge bucket etc..Palm silk is dried general and is needed Carry out first drying, during drying, palm silk is to be transported to charging aperture by belt (or auger) pipeline to enter in cylinder body, As the cylinder rotates, it is provided with certain angle copy plate in cylinder material to be carried out with lifting and promotes, simultaneously material to discharging opening Hot blast produced by heat source furnace passes through warm-air pipe and enters directly to drying materials in cylinder in charging aperture side, and loading head will rotate The next material collection of conveying is simultaneously dried by the external material of realizing of drag conveyor output roller body with the wind.
Existing traditional dryer in real operation, there is problems in that
1. barrel is directly exposed in air, and thermal loss is big.
2. the drying materials in cylinder can only rely on the heat that heat source furnace provides, and heat-supplying mode is single, and hot blast utilization rate is low Under.
3. it is directly entered by warm-air pipe in cylinder body from the hot blast of heat source furnace output, with material directly contact, easily make thing Material carbonization and ignition.
4. a coconut shell flour dried by single or its internal moisture content of palm silk (particularly palm silk) are difficult to discharge, no Easily dry.
Content of the invention
Therefore, for the problems referred to above, the present invention proposes a kind of high and more safe and reliable drying system of hot blast utilization rate.
Based on the present invention, provide a kind of drying system, comprising: roller drying line of raw material and raw material secondary roller are dried Line, described roller drying line contains insulated building, drying roller and heat source furnace, and the periphery of described drying roller is provided with described insulation Room, is formed with hot wind flow space between described drying roller and described insulated building, described heat source furnace connects one end of warm-air pipe, The other end of described warm-air pipe extends to the Mars decanting zone of the insulated building in described hot wind flow space, described drying roller tool There are feed end, cylinder, bogie wheel group, reducing gear and discharge end, the Mars decanting zone of a described roller drying line of raw material is leaned on The side of closely described drying roller feed end is provided with the totally-enclosed fire wall separating described hot wind flow space, makes from described Warm-air pipe hot blast out enters described cylinder from the discharge end of described drying roller under the stop of described totally-enclosed fire wall Interior, form reverse flow with material.
Based on one aspect of the present invention, rolling is dried near described in the Mars decanting zone of described raw material secondary roller drying line The side of the discharge end of cylinder is provided with the totally-enclosed fire wall separating described hot wind flow space, makes from described warm-air pipe out Hot blast enter in described cylinder from the feed end of described drying roller under the stop of described totally-enclosed fire wall, with material shape Become co-flow.
Based on one aspect of the present invention, roller drying line of raw material is provided near the side of drying roller discharge end Described semiclosed fire wall, this semiclosed fire wall includes blocking part and interconnecting part, makes hot blast cross blocking part and passes through interconnecting part Enter in cylinder.Further include raw material secondary roller drying line, described raw material secondary roller drying line includes insulated building, drying Cylinder and heat source furnace, the periphery of described drying roller is provided with described insulated building, between described drying roller and described insulated building It is formed with hot wind flow space, described heat source furnace connects one end of warm-air pipe, and the other end of described warm-air pipe extends to described heat Mars decanting zone in wind flow space, described drying roller has feed end, cylinder, bogie wheel group, reducing gear and discharging End, the side of the discharge end near described drying roller for the described Mars decanting zone is provided with and separates described hot wind flow space Totally-enclosed fire wall, make from described warm-air pipe hot blast out under the stop of described totally-enclosed fire wall from described drying roller Feed end enter described cylinder in, with material formed co-flow.
Based on one aspect of the present invention, between described heat source furnace and described insulated building, it is provided with hot blast cyclone dust collectors, Described hot blast cyclone dust collectors are serially connected with described warm-air pipe.
Based on one aspect of the present invention, described heat source furnace includes warm-air pipe, hot blast cyclone dust collectors, body of heater, wind-warm syndrome tune Section valve, thermo detector and air-heater, described hot blast cyclone dust collectors are connected with described warm-air pipe, and described warm-air pipe is provided with described Wind-warm syndrome regulating valve and described thermo detector, described air-heater is connected with described warm-air pipe.
Based on one aspect of the present invention, described raw material first drying line insulated building includes insulated building body, feed end, insulation Area, Mars decanting zone, discharge end, are provided with described loading head and described discharging scraper plate pipeline, described fire in described discharge end Star decanting zone, described discharge end, described feed end are sequentially connected, and described heat preservation zone individually separates, and body heat-insulation layer cladding in room is described Feed end, described heat preservation zone, described Mars decanting zone, described discharge end.Raw material secondary drying line insulated building includes room body, enters Material end, Mars decanting zone, discharge end, are provided with loading head and discharging scraper plate pipeline, described Mars sedimentation in described discharge end Area, described feed end, described discharge end individually separate and are sequentially connected, and room body heat-insulation layer coats described feed end, described Mars sinks Fall area, described discharge end.
Based on one aspect of the present invention, in drying roller, be provided with copy plate, its highly be 300mm, gradient be 15 °, 8 ° of spiral.
Based on one aspect of the present invention, return raw material after the tails dedusting of described raw material secondary roller drying line and once roll Heat preservation zone described in cylinder drying line.
Based on the present invention, also provide a kind of drying materials method, using above-mentioned drying system, methods described includes following step Rapid: material to be positioned over described drying system and is dried;By the material after described roller drying line of raw material is dried Deliver into described raw material secondary roller drying line after cooling and carry out secondary drying.
The drying system of the present invention and furnace drying method have following significant technique effect.
Drying system provided by the present invention, because the outside in drying roller increased insulated building, thus by cylinder and Air is spaced, and plays insulation effect, to reduce the loss of heat.Meanwhile, the warm-air pipe of two heat source furnaces is in insulated building body Heat air delivery, radiation loss appeared in course of conveying for the warm-air pipe all distributes within insulated building body, thus improving insulation The temperature of room body, plays the barbecue effect to cylinder, while improving drying efficiency, also improves the utilization rate of hot blast.
Due to offering other hot-wind inlets on the room body of insulated building, can be by boiler waste hot gas, thermal power plant's waste hot gas, Or the hot air discharge of other thermals source enters in insulated building to be dried, make full use of the energy, cost-effective.
This drying system has concatenated hot blast cyclone dust collectors in the warm-air pipe between heat source furnace and insulated building, exclusion enters Mars in hot gas in insulated building, that is, play the effect eliminating Mars.
The exhaust temperature of raw material secondary drying discharge is higher, and the low feature of water content, by exhaust fan and tail gas airduct It is conveyed back in the heat preservation zone of raw material first drying insulated building, that is, play waste heat and recycle.
High-temperature flue gas heat energy is all of in the cooling mixing wind pipeline that is placed in outside heat energy pipeline insulated building, heat energy is whole Using.Drying roller is placed in this design in insulated building and is not only able to master rotor is come with cool ambient air isolation, prevents from leading Cylinder heat losses, and using the heat of tail gas, main cylinder can be heated again and be incubated, prevent in master rotor High-temperature vapor, run into temperature and condense than relatively low master rotor inwall.
High-temperature hot-air is eliminated Mars and enters back into drying roller after lowering the temperature through the Mars decanting zone of insulated building and mixed with material Close.So heat energy is used more effectively, thus realizing the purpose of environmental protection.By hot blast cyclone dust collectors and insulated building The filter screen of interior high temperature discharge room and half fire wall removes the substantial amounts of particulate Mars taken in combustion furnace by tail gas, thus success Solve the contact at Mars suede inflammable with material end, solve the problems, such as inflammable.Controlled by exhaust temperature and wind-warm syndrome adjuster Heat source furnace processed and the temperature of Mars decanting zone, reach the purpose of precise control material humidity.
Equipment is simple and reliable, operates steadily, and cost performance is high.
Brief description
Fig. 1 is the overall top view schematic diagram of drying system of the present invention;
Fig. 2 is the front view schematic diagram of roller drying line of raw material of drying system of the present invention;
Fig. 3 is the front view schematic diagram of the raw material secondary roller drying line of drying system of the present invention;
Fig. 4 is the overall vertical view explanatory diagram of of the present invention drying system corresponding with Fig. 1;
Fig. 5 is the main view explanatory diagram of roller drying line of raw material of of the present invention drying system corresponding with Fig. 2;
Fig. 6 is the main view explanatory diagram of the raw material secondary roller drying line of of the present invention drying system corresponding with Fig. 3.
Description of reference numerals
Specific embodiment
The present invention is further described below in conjunction with the accompanying drawings.
Reference picture 1- Fig. 5, the drying system of the present embodiment, comprising: roller drying line 100 of raw material and the secondary rolling of raw material Cylinder drying line 200.Roller drying line 100 of raw material contains insulated building 104, drying roller (not shown) and heat source furnace 101, dries The periphery of dry drum is provided with insulated building 104, is formed with hot wind flow space 126, thermal source between drying roller and insulated building 104 Stove 101 connects one end of warm-air pipe 102, and the other end of warm-air pipe 102 extends to the insulated building 104 in hot wind flow space 126 Mars decanting zone 107, drying roller has feed end 116, cylinder 103, bogie wheel group 119, reducing gear 120 and discharge end 117, Mars decanting zone 107 near the side of drying roller feed end 116 be provided with by hot wind flow space separate totally-enclosed Fire wall 109, make from warm-air pipe 102 hot blast out under the stop of totally-enclosed fire wall 109 from the discharge end of drying roller 117 enter in cylinder 103, form reverse flow with material.
In the present embodiment, as shown in Fig. 2 drying roller is located in insulated building 104.Roller drying line 100 of raw material Including: raw material belt conveyor line 114, feed hopper 121, heat preservation zone 118, Mars decanting zone 107.
In the present embodiment, as shown in figure 5, heat source furnace 101 provides thermal source.Hot blast cyclone dust collectors utilize warm-air pipe 102 The thermal source that heat source furnace 101 is provided is transported in roller drying line 100 of raw material.The entering of roller drying line 100 of raw material Material end is provided with exhaust fan 112.
In the present embodiment, as shown in figure 4, heat source furnace 201 provides thermal source.Hot blast cyclone dust collectors 215 utilize warm-air pipe 102 thermals source providing heat source furnace 201 are transported in raw material secondary roller drying line 200.Drying roller is located at insulated building 204 Interior.The discharge end of raw material secondary roller drying line 200 is provided with exhaust fan 212.Raw material secondary roller drying line 200 also sets up There are secondary drying raw material belt conveyor line 214 and a scraper plate pipeline 205.
In the present embodiment, Mars decanting zone 107 is provided with hot air flow near the side of the feed end 116 of drying roller The totally-enclosed fire wall 109 that dynamic space separates, makes from warm-air pipe 102 hot blast out under the stop of totally-enclosed fire wall 109 Enter in cylinder from the discharge end of drying roller, form reverse flow with material.
In the present embodiment, the side of the discharge end of drying roller is provided with semiclosed fire wall 108, this is semiclosed Fire wall 108 includes blocking part and interconnecting part, makes hot blast cross blocking part and is entered in cylinder by interconnecting part.
In the present embodiment, the periphery of drying roller is provided with insulated building 204, shape between drying roller and insulated building 204 Become and have hot wind flow space 226, heat source furnace 201 connects one end of warm-air pipe 202, the other end of warm-air pipe 202 extends to hot blast Mars decanting zone 207 in the flowing space 226, drying roller has feed end 216, cylinder 203 and discharge end 217, and Mars sinks Fall area is provided with, near the side of drying roller discharge end 217, the totally-enclosed fire wall 209 separating hot wind flow space 226, The hot blast out from warm-air pipe 202 is made to enter cylinder from the feed end 216 of drying roller under the stop of totally-enclosed fire wall 209 Interior, form co-flow with material.
In the present embodiment, it is provided with hot blast cyclone dust collectors 215, hot blast whirlwind between heat source furnace 101 and insulated building 104 Deduster 215 is serially connected with described warm-air pipe 202.
In the present embodiment, heat source furnace 101 includes warm-air pipe 102, hot blast cyclone dust collectors 115, body of heater 101, wind-warm syndrome tune Section device 122 and thermo detector 123, hot blast cyclone dust collectors 115 are connected with warm-air pipe 102, and warm-air pipe 102 is provided with wind-warm syndrome adjuster 122 and thermo detector 123.
In the present embodiment, insulated building 104 includes room body heat-insulation layer, feed end 116, heat preservation zone 118, Mars decanting zone 107th, discharge end 117;It is provided with loading head 105, scraper plate pipeline 106 in discharge end 117;Mars decanting zone 107, discharge end 117th, drying roller, tail gas airduct 111, exhaust fan 112 and tail gas cyclone dust collectors 113 are sequentially connected.
In the present embodiment, it is provided with copy plate in drying roller, it is 15 °, 8 ° of spiral highly for 300mm, gradient.Logical Cross and this copy plate 124 is set it becomes possible to make the material such as coconut shell flour in drying roller or palm silk flash baking, improve Drying efficiency, has the conveying that can rapidly carry out material such as coconut shell flour or palm silk simultaneously.
In the present embodiment, return the hot wind flow of drying system after the tails dedusting of raw material secondary roller drying line 200 In the heat preservation zone 118 in space 126.
Continuing referring to Fig. 4, wherein, the icon shown in a in accompanying drawing represents material path;Icon shown in b represents rolling Hot blast path in cylinder;Icon shown in c represents cylinder external hot air path;A kind of drying system of the present invention, including first drying Pipeline 100, raw material secondary roller drying line 200 and belt conveyor line 300.
Roller drying line 100 of raw material includes raw material belt conveyor line 114, heat source furnace 101, drying roller, insulated building 104.Heat source furnace 101 includes warm-air pipe 102, hot blast cyclone dust collectors 115, wind-warm syndrome adjuster 122, thermo detector 121 and hot blast wind Machine 110;Drying roller includes feed end 116, cylinder 103, bogie wheel group 119, reducing gear 120 and discharge end 117;Dry The periphery of cylinder is provided with insulated building 104, so that this drying roller and ambient atmosphere is isolated, this drying roller and insulated building 104 Between be formed with hot wind flow space 126;Warm-air pipe 102 one end connects heat source furnace 101, and the other end extends to hot wind flow space 126 Mars decanting zone 107.This Mars decanting zone 107 is provided with hot wind flow is empty near drying roller feed end 116 side Between the 126 totally-enclosed fire walls 109 separating, the mouth of pipe of warm-air pipe 102 is towards this totally-enclosed fire wall 109;Meanwhile, near drying The side of cylinder discharge end 117 is provided with semiclosed fire wall 108, and this semiclosed fire wall 108 includes blocking part and interconnecting part, Make hot blast cross blocking part to enter in cylinder 103 by interconnecting part;It is provided with loading head 105 and scraper plate conveying in discharge end 117 Line.The tail gas unit that roller drying line 100 of raw material is formed after also including processing drying, further includes to be connected to charging aperture 116 tail gas airduct 111, exhaust fan 112, cyclone dust collectors 113.
Raw material secondary roller drying line 200 and the unit affinity of roller drying line 100 of raw material, difference is, fire Star decanting zone 207 is provided with, near the side of drying roller discharge end 217, the totally-enclosed fire prevention separating hot wind flow space 226 Wall 209;Meanwhile, it is provided with semiclosed fire wall 208 near the side of drying roller feed end 216, this semiclosed fire wall 208 include blocking part and interconnecting part, make hot blast cross blocking part and are entered in drying roller by interconnecting part.
In actual production, material enters in cylinder 103 through raw material belt conveyor line 114, then through airlock 125, closes herein Material can be preferably isolated by the setting of wind device 125 with outside atmosphere, so that thermal loss is reduced;Then, when cylinder 103 rotates When, it is provided with certain angle copy plate 124 in cylinder and material can be carried out with lifting and material is promoted to discharging opening 117, meanwhile, heat The hot blast that source stove 101 transfers out is through warm-air pipe 102, and in the presence of air-heater 120, is transported to hot wind flow space 126 Mars decanting zone 107 discharge, the hot blast after discharge stops so as to reversely to cylinder 103 due to totally-enclosed fire wall 109 Discharge end 117 flows, and crosses semiclosed fire wall 108 and enter into cylinder 103 from the discharge end 117 of cylinder 103, with logistics Flow direction forms reverse flow, and this reverse flow improves the drying efficiency of material;Hot blast in cylinder is while material drying Constantly flow to the inlet end 116 of cylinder, through tail gas airduct 111, and under the drive of exhaust fan 112, flow to whirlwind Deduster 113 processes heel row outwardly.
Meanwhile, material from drying roller out, through loading head 105, scraper plate pipeline 106 and belt conveyor line 300 Raw material is sent in raw material secondary roller drying line 200, in raw material belt conveyor line 214 conveying, material is equally through closing wind Device 225 enters in cylinder 203, and the rotation with cylinder, constantly mobile to cylinder discharge end 217;Simultaneously, raw material is secondary Hot blast in roller drying line is through hot blast cyclone dust collectors 215, and is transported to raw material secondary roller drying line by warm-air pipe 202 In Mars decanting zone 207 discharge, the hot blast after discharge is under the prevention of totally-enclosed fire wall 209 to the feed end of cylinder 203 216 is mobile, and cross and close fire wall 208, enters in cylinder 203 from the feed end 216 of cylinder, is formed in the same direction with material Flowing, thus improve drying and the discharging efficiency of material.Then, material completes to dry, through loading head 205, scraper plate pipeline 206 Convey and go out;Simultaneously as the hot gas after secondary drying contains certain temperature, defeated through tail gas airduct 211 and exhaust fan 212 The heat preservation zone 118 being discharged into insulated building 104 after delivering to cyclone dust collectors 213 process again reuses, subsequently by tail gas airduct 111 Outwards discharge.
What deserves to be explained is, the warm-air pipe of two heat source furnaces is heat air delivery in insulated building body, and warm-air pipe is in course of conveying Appeared in radiation loss all distribute within insulated building body, thus improving the temperature of insulated building body, play the burning to cylinder Roasting effect, while improving drying efficiency, also improves the utilization rate of hot blast.
In addition, in roller drying line of raw material, the outlet of warm-air pipe 102 settles in hot wind flow space 126 Mars It is directed towards totally-enclosed fire wall 109, hot gas out can rush at this totally-enclosed fire wall 109 afterwards from warm-air pipe 102 in area 107, In big space, Mars can be piled up in the wall inferior horn of this totally-enclosed fire wall 109, further functions as except Mars effect;Further, also It is provided with semiclosed fire wall 108, including blocking part and interconnecting part, wherein, interconnecting part is provided with separation net, and hot gas is through totally-enclosed After fire wall 109 stops, semiclosed fire wall 108 can be reverse flowed to, and cross semiclosed fire wall 108, flow out through separation net, This separation net may filter that hot blast, further functions as except Mars effect.
In the present embodiment, provide a kind of drying materials method, using drying system as above.The thing of the present embodiment Material furnace drying method comprises the following steps: material is positioned over drying system and is dried;Dried through drying system for the first time Deliver into raw material secondary roller 203 drying line after material cooling afterwards and carry out secondary drying.
Preferably, cross airlock 125 through raw material belt conveyor line 114 after wet feed chopping and enter rotation baking through feed end 116 Dry drum, makes material and hot blast be sufficiently mixed and passes slowly in cylinder from going out in the presence of copy plate 124 in drying roller Material end 117 is derived.Hot blast is pumped by air-heater 110 and is made one-level removing Mars again to insulated building through hot gas cyclone dust collectors 115 104 Mars decanting zone 107, the Mars sedimentation through excessive space is made two grades and is removed flammable Mars, and hot blast makees three-level fire through separation net Star is processed, and is entered in drying roller with material countercurrently by the discharge end 117 of drying roller.The water being fully contacted drying with material steams Gas and dust, are taken away from drying roller feed end 116 by exhaust fan 112 and discharge through cyclone dust collectors 113.Material is from raw material one After secondary roller drying line 100 is derived, mass dryness fraction has 70% about, then distributes one through connecting in belt conveyor line 300 course of conveying Enter airlock 225 and drying roller after part moisture, discharge end 217 is slowly guided by drying roller, siccative is defeated by scraper plate again Line sending 206 is discharged.And the hot blast of drying roller is pumped by air-heater 210 and is made one-level except Mars through hot gas cyclone dust collectors 215 Reenter in Mars decanting zone 207, after precipitation combustible, hot gas enters drying roller and material cocurrent by feed end 216, with thing Material excludes from discharge end 217 along material after being sufficiently mixed.The hot blast discharged reenters raw material one after cyclone dust collectors 213 process In secondary roller drying line 100 heat preservation zone 118, after drying roller outer wall is heated, discharge outdoor from tail gas airduct 111 again.
With reference to Fig. 4 and Fig. 5, roller drying line 100 of raw material includes: heat source furnace 101, warm-air pipe 102, drying roller (not shown), insulated building 104, loading head 105, scraper plate pipeline 106, Mars decanting zone 107, semiclosed fire wall 108, full envelope Close fire wall 109, air-heater 110, tail gas airduct 111, exhaust fan 112, tail gas cyclone dust collectors 113, raw material belt defeated Line sending 114, hot blast cyclone dust collectors 115, feed end 116, discharge end 117, heat preservation zone 118, bogie wheel group 119, reducing gear 120th, hopper 121, wind-warm syndrome adjuster 122, thermo detector 123, copy plate 124, airlock 125.
In the present embodiment, as shown in Figure 4 and Figure 5, heat source furnace 101 provides thermal source.Air-heater 110 utilizes warm-air pipe 102 thermals source providing heat source furnace 101 are transported to the guarantor of roller drying line 100 of raw material through hot blast cyclone dust collectors 115 In the Mars decanting zone 107 of hot house 104.The charging of roller drying line 100 of raw material is provided with tail gas airduct 111, tail gas wind Machine 112 and tail gas cyclone dust collectors 113.
In the present embodiment, as shown in Figure 4 and Figure 6, heat source furnace 201 provides thermal source.Air-heater 210 utilizes warm-air pipe 202 thermals source providing heat source furnace 201 are transported to the guarantor of raw material secondary roller drying line 200 through hot blast cyclone dust collectors 215 In the Mars decanting zone 207 of hot house 204.The discharge end 217 of raw material secondary roller drying line 200 is provided with tail gas airduct 211, tail Gas blower fan 212 and cyclone dust collectors 213.The feed end 216 setting raw material belt conveyor line of raw material secondary roller drying line 200 214, discharge end is provided with loading head 205 and scraper plate pipeline 206.
In the present embodiment, as shown in Figure 4 and Figure 6, Mars decanting zone 207 is near discharge end 217 side of drying roller It is provided with the totally-enclosed fire wall 209 that hot wind flow space 226 is separated, make from warm-air pipe 202 hot blast out totally-enclosed Enter in cylinder 203 from the feed end 216 of drying roller under the stop of fire wall 209, form co-flow with material.
In the present embodiment, as shown in Figure 4 and Figure 5, near drying roller discharge end 117 side be provided with semiclosed Fire wall 108, this semiclosed fire wall 108 includes blocking part and interconnecting part, makes hot blast cross blocking part and is entered by interconnecting part In cylinder 103.
In the present embodiment, as shown in Figure 4 and Figure 5, the periphery of drying roller is provided with insulated building 104, drying roller with Be formed with hot wind flow space 126 between insulated building 104, heat source furnace 101 connects one end of warm-air pipe 102, warm-air pipe 102 another One end extends to the Mars decanting zone 107 in hot wind flow space 126, and drying roller has feed end 116, cylinder 103, supporting Wheel group 119, reductor 120 and discharge end 117, Mars decanting zone 107 is provided near the side of the feed end 116 of drying roller The totally-enclosed fire wall 109 that hot wind flow space is separated, makes from warm-air pipe 102 hot blast out in totally-enclosed fire wall 109 Stop under enter in cylinder 103 from the discharge end 117 of drying roller, form reverse flow with material.
In the present embodiment, as Fig. 4, between heat source furnace 101 and insulated building 104, it is provided with hot blast cyclone dust collectors 115, heat Wind cyclone dust collectors 115 are serially connected among described warm-air pipe 102.
In the present embodiment, as Fig. 4, heat source furnace 101 includes warm-air pipe 102, air-heater 110, hot blast cyclone dust collectors 115th, heat source furnace 101, wind-warm syndrome adjuster 122 and thermo detector 123.Hot blast cyclone dust collectors 115, air-heater 110, wind-warm syndrome are adjusted Valve 122 is connected with warm-air pipe 102, and warm-air pipe 102 is provided with thermo detector 123.
In the present embodiment, as shown in Figure 4 and Figure 5, insulated building 104 includes room body heat-insulation layer, feed zone 116, heat preservation zone 118th, Mars decanting zone 107, discharge end 117, is provided with loading head 105 and discharging scraper plate pipeline 106 in discharge end 117, fire Star decanting zone 107, discharge end 117 and loading head 105 are sequentially connected.
In the present embodiment, as shown in Figure 4 and Figure 5, be provided with copy plate 124 in drying roller, its highly be 300mm, Gradient is 15 °, 8 ° of spiral.By arranging this copy plate 124 it becomes possible to make material such as coconut shell flour or palm fibre in drying roller Palmitic acid silk flash baking, improves drying efficiency, has the conveying that can rapidly carry out material such as coconut shell flour or palm silk simultaneously.
In the present embodiment, as shown in figure 4, the tail gas of raw material secondary roller drying line 200 is through cyclone dust collectors 213 dedusting Returned by exhaust fan 212 afterwards in the heat preservation zone 118 in hot wind flow space of roller drying line 100 of raw material.
Continuing referring to Fig. 4-Fig. 6, wherein, the icon shown in a in accompanying drawing represents material path;Icon generation shown in b Hot blast path in table cylinder;Icon shown in c represents cylinder external hot air path;A kind of drying system of the present invention, including raw material Roller drying line 100 and raw material secondary roller drying line 200.
Roller drying line 100 of raw material includes: raw material belt conveyor line 114, heat source furnace 101, warm-air pipe 102, dries Cylinder (not shown), loading head 105, discharging scraper plate pipeline 106, drying roller includes feed end 116, cylinder 103, supporting Wheel group 119, reductor 120 and discharge end 117, the periphery of drying roller is provided with insulated building 104, makes this drying roller and the external world Air is isolated, and is formed with hot wind flow space 126 between this drying roller and insulated building 104;Warm-air pipe 102 one end connects heat Source stove 101, the other end extends to the Mars decanting zone 107 in hot wind flow space 126.This Mars decanting zone 107 is near drying rolling The side of the feed end 116 of cylinder is provided with the totally-enclosed fire wall 109 separating hot wind flow space, the mouth of pipe of warm-air pipe 102 Towards this totally-enclosed fire wall 109;Meanwhile, the side of the discharge end 117 of drying roller is provided with semiclosed fire wall 108, this semiclosed fire wall 108 includes blocking part and interconnecting part, makes hot blast cross blocking part and enters cylinder 103 by interconnecting part Interior.Roller drying line 100 of raw material also include process tail gas device, further include to be connected to the tail of charging aperture 116 Gas airduct 111, exhaust fan 112, cyclone dust collectors 113.
Raw material secondary roller drying line 200 and the unit affinity of roller drying line 100 of raw material, difference is, fire Star decanting zone 207 is provided with, near the side of the discharge end 217 of drying roller, the totally-enclosed fire prevention separating hot wind flow space Wall 209;Meanwhile, it is provided with semiclosed fire wall 208 near the side of the feed end 216 of drying roller, this semiclosed fire prevention Wall 208 includes blocking part and interconnecting part, makes hot blast cross blocking part and is entered in cylinder 203 by interconnecting part.
In actual production, material is through raw material belt conveyor line 114, then enters feed hopper 121 through airlock 125 and enter back into cylinder In 103, material can be preferably isolated by the setting of airlock 125 herein with outside atmosphere, so that thermal loss is reduced;Then, When cylinder 103 is rotated in reducing gear 120, being provided with certain angle copy plate 124 in cylinder 103 can raise to material Material is simultaneously promoted by material to discharge end 117, meanwhile, the hot blast that heat source furnace 101 transfers out through warm-air pipe 102, and in air-heater In the presence of 110, the Mars decanting zone 107 being transported to hot wind flow space 126 is discharged, and the hot blast after discharge is due to totally-enclosed anti- The prevention of wall with flues 109 is so as to reversely flow to the discharge end 117 of cylinder 103, and crosses semiclosed fire wall 108 from cylinder 103 Discharge end 117 enter in cylinder 103, with logistics flow to formed reverse flow.This reverse flow improves the drying of material Efficiency;Hot blast in cylinder 103 constantly flows to the feed end 116 of cylinder 103 while material drying, through tail gas airduct 111, and under the assistance of exhaust fan 112, flow in cyclone dust collectors 113 and process heel row outwardly.
Meanwhile, material flows out from the discharge end 117 of drying roller, and through loading head 105, scraper plate pipeline 106 will be former Material be transported on belt conveyor line 300, then be sent to through belt conveyor line 300 carry out in raw material secondary roller drying line 200 former Material secondary drying, in raw material belt conveyor line 214, material equally enters feed hopper 221 through airlock 225 and enters back into cylinder 203 In, and with cylinder 203 when the drive of reductor 120 rotates, constantly mobile to cylinder 203 discharge end 217;Simultaneously, Hot blast in raw material secondary roller drying line 100 is through hot blast cyclone dust collectors 215, and it is heavy to be transported to Mars by warm-air pipe 202 Fall area 207 discharges, and the hot blast after discharge is mobile to the feed end 216 of cylinder 203 under the prevention of totally-enclosed fire wall 209, and Cross semiclosed fire wall 208, enter in cylinder 203 from the feed end 216 of cylinder 203, form co-flow with material, from And improve drying and the discharging efficiency of material.Then, material complete dry, through loading head 205, scraper plate pipeline 206 convey and Go out;Simultaneously as the tail gas after raw material secondary drying contains certain temperature, convey through tail gas airduct 211 and exhaust fan 212 The heat preservation zone 118 of the insulated building 104 being transported to raw material first drying line 100 again after processing to cyclone dust collectors 213 reuses, And from tail gas airduct 111 row outwardly.
What deserves to be explained is, the warm-air pipe 102,202 of two heat source furnaces 101,201 is to convey heat in insulated building 104,204 Wind, radiation loss appeared in course of conveying for the warm-air pipe 102,202 all distributes within insulated building 104,204, thus carrying The temperature of high insulated building 104,204, plays the barbecue effect to cylinder, while improving drying efficiency, also improves hot blast Utilization rate.
In addition, in roller drying line 100 of raw material, the Mars exporting in hot wind flow space 126 of warm-air pipe 102 It is directed towards totally-enclosed fire wall 109, hot gas out can rush at this totally-enclosed fire wall afterwards from warm-air pipe 102 in decanting zone 107 109, in big space, Mars can be piled up in the wall inferior horn of this totally-enclosed fire wall 109, further functions as except Mars effect;Again Have, be additionally provided with semiclosed fire wall 108, it includes blocking part and interconnecting part, wherein, interconnecting part is provided with separation net, hot gas Through totally-enclosed fire wall 109 stop after, semiclosed fire wall 108 can be reverse flowed to, and cross semiclosed fire wall 108, through every Off-network flows out, and this separation net may filter that dirt and Mars in hot blast, further functions as except Mars effect.
In the present embodiment, provide a kind of drying materials method, using drying system as above.The thing of the present embodiment Material furnace drying method comprises the following steps: material is positioned over drying system and is dried;Dried through drying system for the first time Deliver into raw material secondary roller drying line 200 after material cooling afterwards and carry out secondary drying.
Preferably, cross airlock 125 through raw material belt conveyor line 114 after wet feed chopping to enter in rotary furnace drying cylinder, So that material and hot blast is sufficiently mixed under copy plate 124 effect in drying roller and pass slowly in cylinder 103 from discharge end 117 Derive.The hot blast of heat source furnace is pumped by air-heater 110 and is made after one-level is processed except Mars again to guarantor through hot gas cyclone dust collectors 115 The Mars decanting zone 107 of hot house 104 is discharged, and the Mars decanting zone 117 through excessive space is made two grades and removed flammable Mars, Guo Banfeng Filter screen in tight defense wall with flues 108 make three-level remove Mars process, hot blast by the discharge end 117 of drying roller enter in drying roller with Material adverse current.It is fully contacted material drying with material, and leaked water steaming from feed end 116 band of drying roller by exhaust fan 112 Through tails dedusting device after gas and dust
113 discharges.Material existing 70% left side of mass dryness fraction after roller drying line 100 scraper plate pipeline 106 of raw material is derived The right side, then enter the pass wind of raw material secondary drying line 200 after belt conveyor line 300 distributes portion of water in course of conveying Device 225 and drying roller, slowly guide discharge end 217 by drying roller, then are sent by scraper plate pipeline 206.Dry rolling simultaneously The hot blast of cylinder is pumped by air-heater 210 and is made one-level through hot gas cyclone dust collectors 215 and remove to reenter the Mars of insulated building 204 after Mars Decanting zone 207, after precipitation combustible, hot gas enters Drying and material cocurrent by feed end 216, is sufficiently mixed with material Exclude from discharge end 217 along material afterwards.The tail gas discharged by exhaust fan 212 from the discharge end 217 of drying roller through whirlwind Deduster 213 is transported to the heat preservation zone 118 of insulated building 104 again, again by tail gas airduct 111 after heating to drying roller outer wall Discharge outdoor.
Further, the drying system of the present invention, also can open up other hot-wind inlets on the room body of insulated building, can be by pot Stove waste hot gas, thermal power plant's waste hot gas, or the hot air discharge of other thermals source enter in insulated building to be dried, using the energy extensively, section Cost-saving.
Need further exist for illustrating, this drying system is not limited to the drying of coconut shell flour, palm silk it is also possible to be used for Dry sawdust etc..
Drying system provided by the present invention, because the outside in drying roller increased insulated building, thus by cylinder and Air is spaced, and plays insulation effect, to reduce the loss of heat.Meanwhile, the warm-air pipe of two heat source furnaces is in insulated building body Heat air delivery, radiation loss appeared in course of conveying for the warm-air pipe all distributes within insulated building body, thus improving insulation The temperature of room body, plays the barbecue effect to cylinder, while improving drying efficiency, also improves the utilization rate of hot blast.
Due to offering other hot-wind inlets on the room body of insulated building, can be by boiler waste hot gas, thermal power plant's waste hot gas, Or the hot air discharge of other thermals source enters in insulated building to be dried, using the energy extensively, cost-effective.
This drying system has concatenated hot blast cyclone dust collectors in the warm-air pipe between heat source furnace and insulated building, exclusion enters Mars in hot gas in insulated building, that is, play the effect eliminating Mars.
The exhaust temperature of raw material secondary drying line discharge is higher, and the low feature of water content, by exhaust fan, tail gas airduct And tail gas cyclone dust collectors are conveyed back in raw material first drying line insulated building body, that is, play waste heat and recycle.
High-temperature flue gas heat energy is all of in the cooling mixing wind pipeline that is placed in outside heat energy pipeline insulated building, heat energy is whole Using.Drying roller is placed in this design in insulated building and is not only able to master rotor is come with cool ambient air isolation, prevents from leading Cylinder heat losses, and using the heat of tail gas, main cylinder can be heated again and be incubated, prevent in master rotor High-temperature vapor, run into temperature and condense than relatively low master rotor inwall.
High-temperature hot-air is settled and enters back in drying roller after lowering the temperature through the Mars of insulated building and mixed with material.So hot Can be used more effectively, thus realizing the purpose of environmental protection.Sunk by the Mars of hot blast cyclone dust collectors and insulated building Fall removes the substantial amounts of particulate Mars taken in combustion furnace by tail gas, thus successfully solves Mars easy with material carbonization and material The contact at combustion suede end, solves the problems, such as carbonization and inflammable.Control thermal source furnace temperature by exhaust temperature, reach precise control The purpose of material humidity.
The drying system of the present invention is simple and reliable, operates steadily, and cost performance is high.
The application is intended to any modification, purposes or the adaptations of the present invention, these modifications, purposes or suitable The change of answering property is followed the general principle of the present invention and is included the undocumented common knowledge in the art of the disclosure or used Use technological means.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following right Requirement is pointed out.
It is described above and precision architecture illustrated in the accompanying drawings it should be appreciated that the invention is not limited in, and And various modifications and changes can carried out without departing from the scope.The scope of the present invention only to be limited by appended claim.

Claims (10)

1. a kind of drying system is it is characterised in that described drying system is dried by roller drying line of raw material, raw material secondary roller Connection belt conveyor line composition between main line and two roller drying lines, described roller drying line includes: insulated building, drying roller with Heat source furnace, the periphery of described drying roller is provided with described insulated building, is formed between described drying roller and described insulated building Hot wind flow space, described heat source furnace connects one end of warm-air pipe, and the other end of described warm-air pipe extends to described hot wind flow Mars decanting zone in space, described drying roller has feed end, cylinder, bogie wheel group, reducing gear and discharge end, described The Mars decanting zone of roller drying line of raw material is provided with described hot air flow near the side of described drying roller feed end The totally-enclosed fire wall that dynamic space separates, make from described warm-air pipe hot blast out under the stop of described totally-enclosed fire wall from Described discharge end enters in described cylinder, forms reverse flow with material.
2. drying system according to claim 1 is it is characterised in that the Mars of described raw material secondary roller drying line settles The side of the discharge end near described drying roller for the area is provided with the totally-enclosed fire wall separating described hot wind flow space, makes Enter institute from described warm-air pipe hot blast out from the feed end of described drying roller under the stop of described totally-enclosed fire wall State in cylinder, form co-flow with material.
3. drying system according to claim 1 is it is characterised in that roller drying line of raw material goes out near drying roller The side at material end is provided with semiclosed fire wall, and this semiclosed fire wall includes blocking part and interconnecting part, makes hot blast cross obstruct Portion is entered in cylinder by interconnecting part.
4. according to claim 2 drying system it is characterised in that raw material secondary roller drying line near drying roller feed End side is provided with semiclosed fire wall, and this fire wall includes blocking part and interconnecting part, makes hot blast cross blocking part and passes through connection Portion enters in cylinder.
5. the drying system according to claim 1-4 is it is characterised in that arrange between described heat source furnace and described insulated building There are hot blast cyclone dust collectors, described hot blast cyclone dust collectors are serially connected with described warm-air pipe.
6. the drying system according to claim 1-4 is it is characterised in that described heat source furnace includes warm-air pipe, hot blast whirlwind Deduster, body of heater, wind-warm syndrome regulating valve, thermo detector and air-heater, described hot blast cyclone dust collectors and air-heater all with described Warm-air pipe connects, and described warm-air pipe is provided with described wind-warm syndrome regulating valve and described thermo detector.
7. drying system according to claim 1 is it is characterised in that the described insulation of roller drying line of described raw material Room includes room body heat preservation zone, Mars decanting zone, discharge end, is provided with discharging scraper plate pipeline in described discharge end.
8. it is characterised in that being provided with copy plate in drying roller, it is highly drying system according to claim 7 300mm, gradient are 15 °, 8 ° of spiral.
9. drying system according to claim 8 is it is characterised in that the tails dedusting of described raw material secondary roller drying line Return to the heat preservation zone in the described hot wind flow space of roller drying line of raw material afterwards, then from heat preservation zone by offgas duct row outwards Boundary.
10. it is characterised in that usage right requires the drying system of 1-9, methods described includes following a kind of drying materials method Step:
Material is positioned over described drying system dried;
Deliver into described raw material secondary roller by after the material cooling after described roller drying line of raw material is dried again Drying line carries out secondary drying.
CN201610581748.4A 2016-07-22 2016-07-22 Drying system Pending CN106338189A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107478020A (en) * 2017-09-29 2017-12-15 贵州苗立克中药科技有限公司 A kind of Chinese medicine drying box of heated air circulation type
CN112110633A (en) * 2020-09-30 2020-12-22 湖北理工学院 Dryer system with tail gas treatment system and use method

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Publication number Priority date Publication date Assignee Title
GB2068519A (en) * 1980-01-29 1981-08-12 Kockums Construction Ab Method and equipment for treating chopped crops
CN2421599Y (en) * 2000-05-19 2001-02-28 中国石化集团齐鲁石油化工公司 Drum type drier
CN102445059A (en) * 2011-12-07 2012-05-09 南宁市钟秀节能环保工程有限公司 Countercurrent double-loop cylinder dryer
CN102538414A (en) * 2011-12-02 2012-07-04 尹雄虎 Movable multi-use drying machine
CN202582071U (en) * 2011-12-02 2012-12-05 尹雄虎 Movable type multipurpose dryer
CN104000299A (en) * 2014-06-19 2014-08-27 中国烟草总公司郑州烟草研究院 Tobacco roller far infrared composite dying experimental equipment

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2068519A (en) * 1980-01-29 1981-08-12 Kockums Construction Ab Method and equipment for treating chopped crops
CN2421599Y (en) * 2000-05-19 2001-02-28 中国石化集团齐鲁石油化工公司 Drum type drier
CN102538414A (en) * 2011-12-02 2012-07-04 尹雄虎 Movable multi-use drying machine
CN202582071U (en) * 2011-12-02 2012-12-05 尹雄虎 Movable type multipurpose dryer
CN102445059A (en) * 2011-12-07 2012-05-09 南宁市钟秀节能环保工程有限公司 Countercurrent double-loop cylinder dryer
CN104000299A (en) * 2014-06-19 2014-08-27 中国烟草总公司郑州烟草研究院 Tobacco roller far infrared composite dying experimental equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107478020A (en) * 2017-09-29 2017-12-15 贵州苗立克中药科技有限公司 A kind of Chinese medicine drying box of heated air circulation type
CN112110633A (en) * 2020-09-30 2020-12-22 湖北理工学院 Dryer system with tail gas treatment system and use method

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