CN206974093U - A kind of stalk heat drying device - Google Patents
A kind of stalk heat drying device Download PDFInfo
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- CN206974093U CN206974093U CN201720676730.2U CN201720676730U CN206974093U CN 206974093 U CN206974093 U CN 206974093U CN 201720676730 U CN201720676730 U CN 201720676730U CN 206974093 U CN206974093 U CN 206974093U
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- purging
- desiccation
- stalk
- conveyer belt
- seal sleeve
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Abstract
A kind of stalk heat drying device is the utility model is related to, including：Feed system, desiccation case and discharge system, desiccation case include：Purging system, transmission system, smoke evacuation system and desiccation bottom seat, purging system include：Air inlet, smoke chamber, blow device and control device；Blow device includes：Multiple purging pins and multiple purging baffle plates；Feed system includes：Feed hopper, screw feeding device, feeding seal sleeve and charging supporting and regulating device, the feed hopper being vertically arranged is connected with the feeding seal sleeve and positioned at the upper left side of the feeding seal sleeve, screw feeding device is located at the inside of feeding seal sleeve in the horizontal direction, the tail end of horizontally disposed feeding seal sleeve is connected with desiccation case and is located at the front end of the conveyer belt of transmission system, and the charging supporting and regulating device is located at the lower section of the feeding seal sleeve.The apparatus structure is simple, automatic controlling level is high, and realization recycles thermal resource.
Description
Technical field
The utility model belongs to field of solid waste treating technology, and in particular to a kind of stalk heat drying device.
Background technology
Agricultural crop straw refers to remainder of the crop after seed is harvested, and is a kind of important agricultural straw resource.
But substantial amounts of agricultural crop straw can not have and properly be utilized at present, 2007《Energy Development in China is reported》Point out, at present
The development and utilization level of Crop in China stalk energy is only 1%, and the agricultural crop straw overwhelming majority being exploited is direct
Burning utilizes.2007, life in the countryside energy year pre-capita consumption mark coal in China's was 539 kg, wherein the ratio of stalk and fuel wood point
Wei 32.8% and 21.2%.The direct open incineration of stalk of large area, so as to cause forest, range fire, also frequently results in cigarette
The generation of mist, has a strong impact on traffic safety, causes the environmental pollution in area or region.A large amount of agricultural crop straw burning consumption, no
Surface vegetation is only destroyed, causes soil erosion, and pollutant caused by burning also turns into causes atmosphere pollution and climate change
Major reason.
Heat treatment technics can realize the innoxious of agricultural crop straw processing, minimizing and recycling, and can obtain
Huge economic benefit, it is a kind of processing disposal options for being adapted to current development.Agricultural crop straw after treatment can
Multiple product is produced, and downstream product is more abundant.But the moisture content of some agricultural crop straws can reach more than 50%,
Heating pressure can be increased in heat treatment process, cause that the thermal efficiency of whole system is low, and thermal effectiveness is poor.Therefore, in agriculture
In crop material heat treatment process, the moisture content for reducing agricultural crop straw is particularly important.Currently for agricultural crop straw, mesh
Preceding dry technology treatment effect is unsatisfactory, and stalk block moisture content is still higher, it is difficult to meets subsequent treatment requirement.Consider
Stalk heat treatment system can produce substantial amounts of combustion product gases, and more than 200 DEG C, the heat that flue gas carries can not but obtain temperature
Sufficiently utilize, high-altitude can only be discharged into by chimney.Therefore, how to design and a kind of recycle thermal resource and the high heat of the thermal efficiency
Desiccation apparatus turns into the technical problem of this area urgent need to resolve.
Utility model content
The utility model is in view of the shortcomings of the prior art, it is proposed that a kind of stalk heat drying device, the apparatus structure is simple,
Automatic controlling level is high, have can quantity-produced advantage, should by high-temperature flue gas caused by agricultural crop straw annealing device
For heat drying process, the efficient utilization of heat is realized；Stalk of the stalk in prior art is heat-treated by the utility model simultaneously
Caused high-temperature flue gas in system, to the desiccation stage is pre-processed, the depth desiccation stalk by the way of contact heating is real for reuse
Now recycle the desiccation dehydration of thermal resource and maximal efficiency.
In order to solve the above technical problems, the technical scheme that the utility model is taken is：
The utility model proposes a kind of stalk heat drying device, including：Feed system, desiccation case and discharge system, its
It is characterised by, wherein, the desiccation case includes：Purging system, transmission system, smoke evacuation system and desiccation bottom seat, wherein, it is described
Purging system includes：Air inlet, smoke chamber, blow device and control device, wherein, the smoke chamber is located at the desiccation case
Inside, described air inlet one end are connected with the smoke chamber, and the other end vertically extends to the outside of the desiccation case,
Enter for high-temperature flue gas through the air inlet in the smoke chamber；The blow device includes：Multiple purging pins and multiple blow
Baffle plate is swept, the multiple purging pin set in array is located at the lower section of the smoke chamber and is connected with the smoke chamber, institute
State multiple purging baffle plates and be located at the inside of the smoke chamber and respectively positioned at the top of the often capable purging pin, it is described for blocking
Purge the pin hole of pin and then control the air inflow of high-temperature flue gas, the control device is connected with the multiple purging baffle plate, is used for
The lifting of the multiple purging baffle plate is controlled, and then controls the quantity of the purging pin purged；The transmission system is located at institute
The bottom of desiccation case intracavitary is stated, heat drying is carried out for transmitting stalk；The smoke evacuation system is located at the top of the desiccation case, with
The inner chamber connection of the desiccation case；The feed system is located at the front end of the desiccation case, and it includes：Feed hopper, spiral enter
Expect device, feeding seal sleeve and charging supporting and regulating device, wherein, the feed hopper being vertically arranged and the charging are close
Big envelope cylinder is connected and positioned at the upper left side of the feeding seal sleeve, the screw feeding device is in the horizontal direction located at described
The inside of feeding seal sleeve, the tail end of the horizontally disposed feeding seal sleeve be connected with the desiccation case and
Positioned at the front end of the conveyer belt of the transmission system, the charging supporting and regulating device is located under the feeding seal sleeve
Side, for adjusting the height of the feeding seal sleeve, makes material fall on the conveyer belt in the desiccation case.
Further, the purging pin is uniformly arranged to form array, and the quantity for purging pin of often going is equal, the control
Device is divided into four gears according to the quantity of the purging pin purged, and a gear is：Described in the control device control
Purge baffle plate all to rise, the purging pin is all turned on；Two gears are：The purging gear of the control device control interlacing
Plate is risen, and the purging pin of quantity described in half is opened；Three gears are：The control device is controlled, and one is risen every two rows
Row purging baffle plate, the purging pin of 1/3rd quantity are opened；Four gears are：The control device controls the purging baffle plate
All fall the pin hole for blocking the purging pin, the purging pin Close All.
Further, the transmission system is located on the desiccation bottom seat, and it includes：Conveyer belt with filter bores,
Positioned at the motor at the conveyer belt both ends, conveyer belt support meanss and pedestal, the conveyer belt sets and is located at around the motor
Below the smoke chamber, the conveyer belt support meanss are between upper conveying belt and lower conveyer belt, for supporting
Conveyer belt is stated, the pedestal is connected with the desiccation bottom seat, and the motor is arranged on pedestal.
Further, the smoke evacuation system includes：Flue gas processing device and exhaust opening, wherein, the exhaust opening is located at institute
State the end of conveyer belt, the top of the desiccation case and its one end with the desiccation box cavity to be connected, the other end and the cigarette
Flash Gas Compression Skid System is connected, and is discharged for will be purified through the waste and old flue gas that the exhaust opening is discharged through the flue gas processing device.
Further, the discharge system is located at the end of the desiccation case, and it includes：Spiral discharge device, discharging are close
Big envelope cylinder and discharging supporting and regulating device, wherein, the spiral discharge device is located at the discharging seal sleeve in the horizontal direction
Inside, the front end of the horizontally disposed discharging seal sleeve is connected with the desiccation case and is located at the transmission
The end of band, the discharging supporting and regulating device is positioned at the lower section of the discharging seal sleeve, for adjusting the discharging sealing
The height of sleeve, stalk is entered by the conveyer belt in the discharging seal sleeve and discharged.
Further, the conveyer belt support meanss include multiple supporters, and the multiple supporter is in herringbone structure
Set, for strengthening stability of strutting system and then making stalk stabilization in transmit process.
Further, the screw feeding device includes helical axis and helical blade with spiral discharge device.
The utility model comprises at least following beneficial effect：
1）The apparatus structure is simple, automatic controlling level is high, have can quantity-produced advantage, by agricultural crop straw heat
High-temperature flue gas caused by processing unit is applied to heat drying process, realizes the efficient utilization of heat；The utility model is by straw simultaneously
Stalk caused high-temperature flue gas in the stalk heat treatment system of prior art, reuse is to the desiccation stage is pre-processed, using contact
The mode depth desiccation stalk of heating, realize the desiccation dehydration for recycling thermal resource and maximal efficiency；
2）High-temperature flue gas thermal source in desiccation case comes from the thermal treatment unit in the stalk heat treatment system of prior art
Burning waste gas, substitute traditional electrical heating and outer energy supply source, realize heat recovery purpose；
3）Agricultural crop straw is heated evenly in drying process, and drying efficiency is high；
4）For agricultural crop straw in drying process, material is stable relative to conveyer belt, and high-temperature flue gas connects with agricultural crop straw
Touch fully, drying effect is good；Also, whole processing procedure generation Dust Capacity is few, without large-scale cleaner, does not occur
The risk of blast；
5）The device reduces waste gas integrated treatment caused by agricultural crop straw drying process and heat treatment process useless
Gas disposal expense；
6）Device design is simple, is consumed without complex operations, and in operating process low, and maintenance cost is low；
7）Industrialization effect is good, and single device treating capacity is changeable.
Brief description of the drawings
Fig. 1 is the cross-sectional view of the utility model stalk heat drying device.
Fig. 2 is the structural representation of the utility model purging system.
Fig. 3 is the gear schematic diagram that the utility model purges pin.
Fig. 4 is the two gear schematic diagrames that the utility model purges pin.
Fig. 5 is the three gear schematic diagrames that the utility model purges pin.
Fig. 6 is the four gear schematic diagrames that the utility model purges pin.
Wherein, desiccation case 1, desiccation bottom seat 101, air inlet 2, smoke chamber 3, pin 4 is purged, purges baffle plate 401, charging material
Bucket 5, screw feeding device 6, helical axis 601, helical blade 602, feeding seal sleeve 7, feed supporting and regulating device 8, transmission
Band 9, motor 10, conveyer belt support meanss 11, pedestal 12, exhaust opening 13, spiral discharge device 14, discharge seal sleeve 15, goes out
Expect supporting and regulating device 16.
Embodiment
In order that those skilled in the art better understood when the technical scheme of this programme, with reference to specific embodiment
The utility model is described in further detail.The embodiments described below is exemplary, is only used for explaining that this practicality is new
Type, and it is not intended that to limitation of the present utility model.Unreceipted particular technique or condition in embodiment, according in the art
Document described by technology or condition or carried out according to product description.
The utility model provides a kind of stalk heat drying device, and Fig. 1 is cuing open for the utility model stalk heat drying device
Face structural representation, shown in reference picture 1, including：Feed system, desiccation case 1 and discharge system, it is characterised in that wherein, described
Desiccation case includes：Purging system, transmission system, smoke evacuation system and desiccation bottom seat 101.
Inventor has found, according to the stalk heat drying apparatus structure of the utility model embodiment is simple, Automated condtrol journey
Degree is high, have can quantity-produced advantage, high-temperature flue gas caused by agricultural crop straw annealing device is applied to heat drying mistake
Journey, realize the efficient utilization of heat；Simultaneously the utility model by stalk in the stalk heat treatment system of prior art caused by
High-temperature flue gas, reuse recycle heat to desiccation stage, the depth desiccation stalk by the way of contact heating, realization is pre-processed
The desiccation dehydration of resource and maximal efficiency；And the high-temperature flue gas thermal source in desiccation case comes from the stalk heat treatment of prior art
Thermal treatment unit burning waste gas in system, substitute traditional electrical heating and outer energy supply source, realize heat recovery purpose；Simultaneously
Agricultural crop straw is heated evenly in drying process, and drying efficiency is high, and high-temperature flue gas contacts fully with agricultural crop straw, does
Dry effect is good；Also, whole processing procedure generation Dust Capacity is few, without large-scale cleaner, the wind not exploded
Danger；Waste gas integrated treatment caused by agricultural crop straw drying process and heat treatment process is reduced exhaust-gas treatment by the device
Expense；In addition, device design is simple, consumed without complex operations, and in operating process low, maintenance cost is low, industrialization
Effect is good, and single device treating capacity is changeable.
According to embodiment of the present utility model, the concrete shape of desiccation case described in the utility model is unrestricted, this practicality
New is preferably cube, and its specific size is unrestricted, can be entered according to the agricultural crop straw amount for being actually needed heat drying processing
Row adjustment, according to some embodiments of the utility model, in order to ensure residence time of the agricultural crop straw in desiccation case and do
Change effect, the length and height of desiccation case keep constant, adapts to treating capacity by adjusting the width of desiccation case, it is preferred that institute
The length for stating desiccation case is arranged to 40m, is highly arranged to 1.8m, when the width for adjusting the desiccation case is 4m, crops straw
The treating capacity of stalk can reach 2.3t/h.
According to embodiment of the present utility model, shown in reference picture 1, the feed system is located at the front end of the desiccation case,
It includes：Feed hopper 5, screw feeding device 6, feeding seal sleeve 7 and charging supporting and regulating device 8, wherein, it is vertically arranged
The feed hopper be connected with the feeding seal sleeve and positioned at the upper left side of the feeding seal sleeve, the spiral
Feed arrangement is located at the inside of the feeding seal sleeve in the horizontal direction, and it includes：Helical axis 601 and helical blade 602, use
In promoting stalk to advance into the desiccation case, the tail end of the horizontally disposed feeding seal sleeve is done with described
Change the front end that case is connected and is located at the conveyer belt of the transmission system, the charging supporting and regulating device is close positioned at the charging
The lower section of big envelope cylinder, for adjusting the height of the feeding seal sleeve, material is set to fall on the conveyer belt in the desiccation case.
According to some embodiments of the utility model, the specific species of charging supporting and regulating device described in the utility model is not
It is restricted, as long as the height of seal sleeve can be adjusted, can includes：Support frame, the height of support frame is controlled by bolt
Degree, can also include elevating mechanism.
According to embodiment of the present utility model, Fig. 2 is the structural representation of the utility model purging system, the He of reference picture 1
Shown in Fig. 2, the purging system includes：Air inlet 2, smoke chamber 3, blow device and control device, wherein, the smoke chamber position
In the inside of the desiccation case, described air inlet one end is connected with the smoke chamber, and the other end vertically extends to institute
The outside of desiccation case is stated, is entered for high-temperature flue gas through the air inlet in the smoke chamber；The blow device includes：It is multiple
Purge pin 4 and it is multiple purging baffle plate 401, in array set the multiple purging pin be located at the smoke chamber lower section and with institute
State smoke chamber to be connected, the multiple purging baffle plate is located at the inside of the smoke chamber and respectively positioned at the often capable purging pin
Top, according to some embodiments of the utility model, the utility model is preferably that a purging baffle plate is located on a line purging pin,
Control often row purging pin is simplified in realization, and the purging baffle plate blocks the pin hole of the purging pin, and then controls high-temperature flue gas to enter
The high-temperature flue gas amount contacted in desiccation case cavity with stalk；The control device is connected with the multiple purging baffle plate, uses
In the lifting of the multiple purging baffle plate of control, and then control the quantity of the purging pin purged.
According to embodiment of the present utility model, air inlet described in the utility model can be admission line, its concrete shape
It is unrestricted, can be that cylinder or cube, the utility model are preferably cylindrical.
According to embodiment of the present utility model, smoke chamber described in the utility model is hollow high-temperature flue gas storage room, its
Concrete shape is unrestricted, can be that cylindrical or cube, the utility model are preferably cube, its specific volume is unrestricted
System, as long as meeting the needs of can carrying out abundant heat drying to stalk, it is furthermore preferred that described air inlet one end and the cigarette
Air chamber is connected, it can be understood as is provided with a through hole above the smoke chamber；The multiple purging pin and the smoke chamber phase
Connection, it can be understood as the smoke chamber bottom is provided with multiple through holes and is connected with the multiple purging pin matching.
According to some embodiments of the utility model, the particular type of control device described in the utility model is unrestricted,
As long as the lifting of the multiple purging baffle plate can be controlled, and then control the quantity of the purging pin purged, this practicality
It is new to be connected including control device with external computer, artificially computer is operated or remote control realize pair
The operation of control device.
According to embodiment of the present utility model, Fig. 3,4,5 and 6 are that the utility model purges pin gear schematic diagram, reference picture
3rd, shown in 4,5 and 6, the purging pin is uniformly arranged to form array, and the quantity for purging pin of often going is equal, the control device
Four gears are divided into according to the quantity of the purging pin purged, a gear is：The control device controls the purging
Baffle plate is all risen, and the purging pin is all turned on；Two gears are：The purging baffle plate liter of the control device control interlacing
Rise, the purging pin of quantity described in half is opened；Three gears are：The control device is controlled, and rising a line every two rows blows
Baffle plate is swept, the purging pin of 1/3rd quantity is opened；Four gears are：The control device control purging baffle plate is whole
The pin hole for blocking the purging pin is fallen, the purging pin Close All, by controlling the control device, realizes accurate control
Often row purging pin；According to some embodiments of the utility model, different gears can be used for the stalk amount of different situations,
Ensure that heat is fully used, and formed fully to contact with stalk and carry out efficient heat drying；Preferably, the purging pin lower end
The 100-200mm above stalk material, close contact is carried out, when high-temperature flue gas enters the desiccation by the purging pin
During case, due to the reason of pressure, flue gas carries downward initial velocity, therefore can contact stalk closely at once, due to blowing
Sweep the evenly distributed of pin, thus high-temperature flue gas can uniform contact drying stalk, after heat exchange, caused waste and old flue gas
Still retain certain residual temperature, therefore upward loss.
According to embodiment of the present utility model, the specific species of purging pin described in the utility model is unrestricted, as long as energy
Enough flue gases by the smoke chamber spray, and heat exchange realization are fully carried out with stalk the heat drying of stalk is handled.
According to embodiment of the present utility model, shown in reference picture 1, the transmission system is located under the desiccation case intracavitary
Portion and on the desiccation bottom seat, carries out heat drying, the transmission system includes for transmitting stalk：With filter bores
Conveyer belt 9, the motor 10 positioned at the conveyer belt both ends, conveyer belt support meanss 11 and pedestal 12, the conveyer belt is around described
Motor sets and below the smoke chamber, and the conveyer belt support meanss are located at it of upper conveying belt and lower conveyer belt
Between, for supporting the conveyer belt, the pedestal is connected with the desiccation bottom seat, and the motor is arranged on pedestal, to pass
Band is sent to provide transmission power；According to some embodiments of the utility model, conveyer belt support meanss described in the utility model include
Multiple supporters, the multiple supporter is set in herringbone structure, for strengthening stability of strutting system and then transmitting stalk
During it is stable；Meanwhile transmission system described in the utility model changes with the difference of the treating capacity of stalk, specifically, can
With by changing the quantity of group of motors and the width of conveyer belt so as to adapt to the different treating capacity of stalk, when the group of motors is set
In parallel for four groups, the width of the conveyer belt is 3.6m, length 44m, and the transmission speed of conveyer belt is 2.78mm/s, stalk thing
The average layer thickness of material on a moving belt is 200 mm, and the treating capacity of stalk can reach 2.3 t/h.
According to embodiment of the present utility model, shown in reference picture 1, the smoke evacuation system is located at the top of the desiccation case,
Connected with the inner chamber of the desiccation case, the smoke evacuation system includes：Flue gas processing device and exhaust opening 13, wherein, the smoke evacuation
Mouth is connected positioned at the end of the conveyer belt, the top of the desiccation case and its one end with the desiccation box cavity, the other end
Be connected with the flue gas processing device, by heat exchange upward loss waste and old flue gas can pass through exhaust opening discharge desiccation
Case, subsequently into the flue gas processing device purified treatment rear discharge up to standard.
According to embodiment of the present utility model, exhaust opening described in the utility model can be smoke discharging pipe, its concrete shape
It is unrestricted, can be that cylinder or cube, the utility model are preferably cylindrical.
According to embodiment of the present utility model, shown in reference picture 1, the discharge system is located at the end of the desiccation case,
It includes：Spiral discharge device 14, discharging seal sleeve 15 and discharging supporting and regulating device 16, wherein, the spiral discharging dress
Put in the horizontal direction located at the inside of the discharging seal sleeve, the front end of the horizontally disposed discharging seal sleeve
It is connected with the desiccation case and is sealed positioned at the end of the conveyer belt, the discharging supporting and regulating device positioned at the discharging
The lower section of sleeve, for adjusting the height of the discharging seal sleeve, make stalk close into the discharging by the conveyer belt
Discharged in big envelope cylinder, handled into stalk heat treatment system, the caused high-temperature flue gas in stalk heat treatment system
It is sent into the desiccation case and is heat-treated once more by the air inlet, realization recycles thermal resource.
According to some embodiments of the utility model, the specific species of discharging supporting and regulating device described in the utility model is not
It is restricted, as long as the height of seal sleeve can be adjusted, can includes：Support frame, the height of support frame is controlled by bolt
Degree, can also include elevating mechanism.
Inventor has found, according to the stalk heat drying apparatus structure of the utility model embodiment is simple, Automated condtrol journey
Degree is high, have can quantity-produced advantage, high-temperature flue gas caused by agricultural crop straw annealing device is applied to heat drying mistake
Journey, realize the efficient utilization of heat；Simultaneously the utility model by stalk in the stalk heat treatment system of prior art caused by
High-temperature flue gas, reuse recycle heat to desiccation stage, the depth desiccation stalk by the way of contact heating, realization is pre-processed
The desiccation dehydration of resource and maximal efficiency；And the high-temperature flue gas thermal source in desiccation case comes from the stalk heat treatment of prior art
Thermal treatment unit burning waste gas in system, substitute traditional electrical heating and outer energy supply source, realize heat recovery purpose；Simultaneously
Agricultural crop straw is heated evenly in drying process, and drying efficiency is high, and high-temperature flue gas contacts fully with agricultural crop straw, does
Dry effect is good；Also, whole processing procedure generation Dust Capacity is few, without large-scale cleaner, the wind not exploded
Danger；Waste gas integrated treatment caused by agricultural crop straw drying process and heat treatment process is reduced exhaust-gas treatment by the device
Expense；In addition, device design is simple, consumed without complex operations, and in operating process low, maintenance cost is low, industrialization
Effect is good, and single device treating capacity is changeable.
In another aspect of the present utility model, there is provided a kind of to carry out stalk using foregoing stalk heat drying device
The method of heat drying, according to embodiment of the present utility model, comprise the following steps：
A. stalk is fed by the feed hopper 5, promotes stalk to enter the desiccation by the screw feeding device 6
On conveyer belt 9 inside case 1.
According to embodiment of the present utility model, shown in reference picture 1, the feed system is located at the front end of the desiccation case,
It includes：Feed hopper, screw feeding device, feeding seal sleeve and charging supporting and regulating device, wherein, the institute being vertically arranged
Feed hopper is stated with the feeding seal sleeve to be connected and positioned at the upper left side of the feeding seal sleeve, the spiral charging
Device is located at the inside of the feeding seal sleeve in the horizontal direction, and it includes：Helical axis and helical blade, for promoting stalk
Advance into the desiccation case, the tail end of the horizontally disposed feeding seal sleeve is connected with the desiccation case
And the front end of the conveyer belt positioned at the transmission system, the charging supporting and regulating device are located under the feeding seal sleeve
Side, for adjusting the height of the feeding seal sleeve, makes material fall on the conveyer belt in the desiccation case.
B. motor 10 drives the conveyer belt 9 to rotate, meanwhile, it is passed through the height that temperature is at least 200 DEG C from the air inlet 2
Warm flue gas selects gear by the control device according to stalk inlet amount, high-temperature flue gas is passed through the purging to smoke chamber 3
The array of pin 4 ejects, and fully contacts to form heat exchange and then progress desiccation with stalk.
According to embodiment of the present utility model, Fig. 3,4,5 and 6 are that the utility model purges pin gear schematic diagram, reference picture
3rd, shown in 4,5 and 6, the purging pin is uniformly arranged to form array, and the quantity for purging pin of often going is equal, the control device
Four gears are divided into according to the quantity of the purging pin purged, a gear is：The control device controls the purging
Baffle plate is all risen, and the purging pin is all turned on；Two gears are：The purging baffle plate liter of the control device control interlacing
Rise, the purging pin of quantity described in half is opened；Three gears are：The control device is controlled, and rising a line every two rows blows
Baffle plate is swept, the purging pin of 1/3rd quantity is opened；Four gears are：The control device control purging baffle plate is whole
The pin hole for blocking the purging pin is fallen, the purging pin Close All, by controlling the control device, realizes accurate control
Often row purging pin；According to some embodiments of the utility model, different gears can be used for the stalk amount of different situations,
Ensure that heat is fully used, and formed fully to contact with stalk and carry out efficient heat drying；Preferably, the purging pin lower end
The 100-200mm above stalk material, close contact is carried out, when high-temperature flue gas enters the desiccation by the purging pin
During case, due to the reason of pressure, flue gas carries downward initial velocity, therefore can contact stalk closely at once, due to blowing
Sweep the evenly distributed of pin, thus high-temperature flue gas can uniform contact drying stalk, after heat exchange, caused waste and old flue gas
Still retain certain residual temperature, therefore upward loss.
C. in drying process, caused waste and old flue gas is through the smoke evacuation after the high-temperature flue gas carries out heat exchange with stalk
Mouth 13, purification discharge is carried out into the flue gas processing device.
According to embodiment of the present utility model, shown in reference picture 1, the smoke evacuation system is located at the top of the desiccation case,
Connected with the inner chamber of the desiccation case, the smoke evacuation system includes：Flue gas processing device and exhaust opening, wherein, the exhaust opening
Be connected positioned at the end of the conveyer belt, the top of the desiccation case and its one end with the desiccation box cavity, the other end with
The flue gas processing device is connected.
D. the conveyer belt 9 transports the stalk after desiccation and entered in the discharging seal sleeve 15, then is gone out by the spiral
Expect the push discharge of device 14, handled into stalk heat treatment system, the caused high-temperature flue gas in stalk heat treatment system
It is sent into the desiccation case 1 and is heat-treated once more by the air inlet 2, realization recycles thermal resource.
According to embodiment of the present utility model, shown in reference picture 1, the discharge system is located at the end of the desiccation case,
It includes：Spiral discharge device, discharging seal sleeve and discharging supporting and regulating device, wherein, the spiral discharge device is along water
Square to located at it is described discharging seal sleeve inside, the front end of the horizontally disposed discharging seal sleeve with it is described
Desiccation case is connected and positioned at the end of the conveyer belt, the discharging supporting and regulating device is positioned at the discharging seal sleeve
Lower section, for adjusting the height of the discharging seal sleeve, stalk is set to enter the discharging seal sleeve by the conveyer belt
In discharged, handled into stalk heat treatment system, caused high-temperature flue gas passes through institute in stalk heat treatment system
State air inlet and be sent into once more in the desiccation case and be heat-treated, realization recycles thermal resource.
Embodiment：Moisture content is 60% agricultural crop straw sample, is continuously introduced into 2.3 t/h speed in desiccation case,
250 DEG C of high-temperature flue gas is with 1033.8 Nm3/ h speed enters smoke chamber by air inlet, and setting for one gear of selection is filled by control
Put, sprayed by purging pin.Conveyer belt is with 2.78 mm/s speed of service onwards transmission agricultural crop straw material（Agricultural crop straw
Residence time in desiccation case is 1 h）.In the process high-temperature flue gas and agricultural crop straw material carry out after heat exchange with agriculture
Caused waste gas is discharged by exhaust opening together in crop material drying process, and EGT is 80 DEG C, dried crops straw
Stalk is discharged into stalk heat treatment system by discharging opening and handled, and caused high-temperature flue gas passes through in stalk heat treatment system
The air inlet is sent into the desiccation case and is heat-treated once more, and realization recycles thermal resource, the agriculture after desiccation
Crop material moisture content is 20%.
Inventor has found, according to the stalk heat drying apparatus structure of the utility model embodiment is simple, Automated condtrol journey
Degree is high, have can quantity-produced advantage, high-temperature flue gas caused by agricultural crop straw annealing device is applied to heat drying mistake
Journey, realize the efficient utilization of heat；Simultaneously the utility model by stalk in the stalk heat treatment system of prior art caused by
High-temperature flue gas, reuse recycle heat to desiccation stage, the depth desiccation stalk by the way of contact heating, realization is pre-processed
The desiccation dehydration of resource and maximal efficiency；And the high-temperature flue gas thermal source in desiccation case comes from the stalk heat treatment of prior art
Thermal treatment unit burning waste gas in system, substitute traditional electrical heating and outer energy supply source, realize heat recovery purpose；Simultaneously
Agricultural crop straw is heated evenly in drying process, and drying efficiency is high, and high-temperature flue gas contacts fully with agricultural crop straw, does
Dry effect is good；Also, whole processing procedure generation Dust Capacity is few, without large-scale cleaner, the wind not exploded
Danger；Waste gas integrated treatment caused by agricultural crop straw drying process and heat treatment process is reduced exhaust-gas treatment by the device
Expense；In addition, device design is simple, consumed without complex operations, and in operating process low, maintenance cost is low, industrialization
Effect is good, and single device treating capacity is changeable.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
Identical embodiment or example need not be directed to by stating.Moreover, specific features, structure, material or the feature of description can be
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff can be carried out the different embodiments or example and the feature of different embodiments or example described in this specification
With reference to and combination.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification, meanwhile, for those of ordinary skill in the art, foundation
The thought of the application, in specific embodiments and applications there will be changes.
Claims (7)
1. a kind of stalk heat drying device, including：Feed system, desiccation case and discharge system, it is characterised in that wherein, described
Desiccation case includes：Purging system, transmission system, smoke evacuation system and desiccation bottom seat, wherein,
The purging system includes：Air inlet, smoke chamber, blow device and control device, wherein, the smoke chamber is positioned at described
The inside of desiccation case, described air inlet one end are connected with the smoke chamber, and the other end vertically extends to the desiccation
The outside of case, enter for high-temperature flue gas through the air inlet in the smoke chamber；The blow device includes：Multiple purging pins
With multiple purging baffle plates, in array set the multiple purging pin be located at the smoke chamber lower section and with the smoke chamber phase
Connection, the multiple purging baffle plate are located at the inside of the smoke chamber and respectively positioned at the top of the often capable purging pin, are used for
Block the pin hole of the purging pin and then control the air inflow of high-temperature flue gas, the control device and the multiple purging baffle plate phase
Even, for controlling the lifting of the multiple purging baffle plate, and then the quantity of the purging pin purged is controlled；
The transmission system is located at the bottom of the desiccation case intracavitary, and heat drying is carried out for transmitting stalk；
The smoke evacuation system is located at the top of the desiccation case, is connected with the inner chamber of the desiccation case；
The feed system is located at the front end of the desiccation case, and it includes：Feed hopper, screw feeding device, feeding seal set
Cylinder and charging supporting and regulating device, wherein, the feed hopper being vertically arranged is connected with the feeding seal sleeve and position
In the upper left side of the feeding seal sleeve, the screw feeding device is in the horizontal direction located at the interior of the feeding seal sleeve
Portion, the tail end of the horizontally disposed feeding seal sleeve are connected with the desiccation case and are located at the transmission system
Conveyer belt front end, the charging supporting and regulating device be located at the lower section of the feeding seal sleeve, for entering described in adjusting
Expect the height of seal sleeve, material is fallen on the conveyer belt in the desiccation case.
2. stalk heat drying device according to claim 1, it is characterised in that the purging pin is uniformly arranged to form battle array
Row, the quantity of the often capable purging pin is equal, and the control device is divided into four according to the quantity of the purging pin purged
Individual gear, a gear are：The control device control purging baffle plate is all risen, and the purging pin is all turned on；Two grades
Position is：The purging baffle plate of the control device control interlacing is risen, and the purging pin of quantity described in half is opened；Three gears
For：The control device is controlled, and rises a line purging baffle plate every two rows, the purging pin of 1/3rd quantity is opened
Open；Four gears are：The control device control purging baffle plate all falls the pin hole for blocking the purging pin, the purging
Pin Close All.
3. stalk heat drying device according to claim 1, it is characterised in that the transmission system is located at the desiccation case
On base, it includes：Conveyer belt with filter bores, the motor positioned at the conveyer belt both ends, conveyer belt support meanss and base
Seat, the conveyer belt set around the motor and below the smoke chambers, and the conveyer belt support meanss are located at top biography
Send between band and lower conveyer belt, for supporting the conveyer belt, the pedestal is connected with the desiccation bottom seat, the electricity
Machine is arranged on pedestal.
4. stalk heat drying device according to claim 1, it is characterised in that the smoke evacuation system includes：Fume treatment
Device and exhaust opening, wherein, the exhaust opening is located at the end of the conveyer belt, the top of the desiccation case and its one end and institute
State desiccation box cavity to be connected, the other end is connected with the flue gas processing device, waste and old for will discharge through the exhaust opening
Flue gas is purified through the flue gas processing device and discharged.
5. stalk heat drying device according to claim 1, it is characterised in that the discharge system is located at the desiccation case
End, it includes：Spiral discharge device, discharging seal sleeve and discharging supporting and regulating device, wherein, the spiral discharging dress
Put in the horizontal direction located at the inside of the discharging seal sleeve, the front end of the horizontally disposed discharging seal sleeve
It is connected with the desiccation case and is sealed positioned at the end of the conveyer belt, the discharging supporting and regulating device positioned at the discharging
The lower section of sleeve, for adjusting the height of the discharging seal sleeve, make stalk close into the discharging by the conveyer belt
Discharged in big envelope cylinder.
6. stalk heat drying device according to claim 3, it is characterised in that the conveyer belt support meanss include multiple
Supporter, the multiple supporter is set in herringbone structure, for strengthening stability of strutting system and then making stalk in transmit process
Middle stabilization.
7. stalk heat drying device according to claim 1 or 5, it is characterised in that the screw feeding device and spiral
Drawing mechanism includes helical axis and helical blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720676730.2U CN206974093U (en) | 2017-06-12 | 2017-06-12 | A kind of stalk heat drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720676730.2U CN206974093U (en) | 2017-06-12 | 2017-06-12 | A kind of stalk heat drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206974093U true CN206974093U (en) | 2018-02-06 |
Family
ID=61408495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720676730.2U Expired - Fee Related CN206974093U (en) | 2017-06-12 | 2017-06-12 | A kind of stalk heat drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206974093U (en) |
-
2017
- 2017-06-12 CN CN201720676730.2U patent/CN206974093U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200211 Address after: No. 1391, south side, 10th floor, new material venture building, No. 7, Fenghui Middle Road, Haidian District, Beijing Patentee after: Beijing Jiejing Environmental Protection Technology Co.,Ltd. Address before: 102200 Beijing city Changping District Machi Town cow Road No. 18 Patentee before: BEIJING SHENYUAN ENVIRONMENTAL PROTECTION Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180206 |