CN206970450U - A kind of sludge heat drying device using high temperature furnace waste heat - Google Patents
A kind of sludge heat drying device using high temperature furnace waste heat Download PDFInfo
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- CN206970450U CN206970450U CN201720676736.XU CN201720676736U CN206970450U CN 206970450 U CN206970450 U CN 206970450U CN 201720676736 U CN201720676736 U CN 201720676736U CN 206970450 U CN206970450 U CN 206970450U
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- 239000010802 sludge Substances 0.000 title claims abstract description 163
- 238000001035 drying Methods 0.000 title claims abstract description 65
- 239000002918 waste heat Substances 0.000 title claims abstract description 11
- 238000010926 purge Methods 0.000 claims abstract description 158
- 239000003546 flue gas Substances 0.000 claims abstract description 70
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 69
- 239000000779 smoke Substances 0.000 claims abstract description 60
- 238000005452 bending Methods 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 8
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- 230000006641 stabilisation Effects 0.000 claims description 2
- 238000011105 stabilization Methods 0.000 claims description 2
- 239000003517 fume Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 239000000463 material Substances 0.000 description 20
- 230000000694 effects Effects 0.000 description 12
- 238000013461 design Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000018044 dehydration Effects 0.000 description 9
- 238000006297 dehydration reaction Methods 0.000 description 9
- 239000002912 waste gas Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
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- 230000008901 benefit Effects 0.000 description 5
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- 238000000197 pyrolysis Methods 0.000 description 4
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- Drying Of Solid Materials (AREA)
Abstract
A kind of sludge heat drying device using high temperature furnace waste heat is the utility model is related to, including：Feed system, desiccation case and discharging opening, 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 and feeding-passage, feeding-passage include：Vertical Channel and bending channel, Vertical Channel vertically extends to outside inside desiccation case, its one end is connected with feed hopper, and the other end is located inside desiccation case and is connected with bending channel, bending channel be located at the inside of desiccation case, transmission system conveyer belt front end top.The device recycles high temperature furnace of the prior art caused high-temperature flue gas in the course of the work, and in the heat drying stage of reuse to sludge, depth heats sludge by the way of contact heating, realizes the efficient utilization of heat.
Description
Technical field
The utility model belongs to field of solid waste treating technology, and in particular to a kind of sludge using high temperature furnace waste heat
Heat drying device.
Background technology
With the enhancing of national economic strength, the raising of national environmental consciousness, municipal wastewater treatment industry obtains rapidly
Development, yield is growing day by day, and the processing and utilization of sludge are increasingly concerned.The portion's of building statistics is lived according to China, by
In by the end of June, 2015, and national the planned city, county add up to build up sewage treatment plant 3802, sewage treatment capacity about 1.61 × 109 m3
d-1.According to《The 12nd five-year-plan outline of People's Republic of China's national economy and social development》Regulation is straight to 2015
The sewage sludge harmlessness processing disposal rate in linchpin city, provincial capital and cities specifically designated in the state plan reaches 80%, and other the planned cities reach 70%, county
City and emphasis town reach 30%, specific resistance to filtration scale 5.18 × 106 t y-1, but at the end of the year in 2014, national sludge
Reason disposal facility construction is only completed the 43.4% of " 12 " object of planning, i.e. 2.25 × 106 t y-1, therefore at the processing of sludge
Put problems demand solution.Because moisture percentage in sewage sludge is high, cause the processing disposal of sludge very difficult.The two of general sewage treatment plant
Heavy pond moisture percentage in sewage sludge is 97% ~ 99%, and wherein Interstitial Water accounts for 70%, and capillary water accounts for 20% or so, and absorption water is about 7%, intracellular water
About 3%.After mechanical dehydration, its moisture content can near 80% or so, now the moisture Main Morphology in sludge for absorption
Water and intracellular water, now mechanical dehydration can not further deep dehydration, therefore the requirement of subsequent treatment can not be met, such as landfill needs
Reach moisture content below 60%, and burn pyrolysis processing etc. and then require that its moisture content is less than 30%.Therefore it is how effective
The sludge of ground processing high-moisture percentage turns into the key point of Treatment of Sludge.
The dewatering of existing sludge mainly includes sludge curing, improves filter press squeeze pressure to realize that mechanical deep takes off
Water etc., but in these technologies, due to the problems such as stench and landfill gas are exploded existing for Sludge landfill storage capacity, landfill so that landfill
It has been increasingly becoming unavoidable backing technology.But sludge drying recycling has turned into the important step of current Treatment of Sludge,
Therefore, the efficiency of solar energy desiccation how is improved, accelerates the quick row of absorption water intracellular in sludge, intracellular water and capillary water
Remove, turn into the basic place of the quick desiccation of the shale biomass energy-saving such as sludge.Existing sludge drying dehydration, directly rely on
The technologies such as solar energy desiccation, its process is relatively complicated, and efficiency is relatively low, although certain desiccation effect, its speed can be obtained
It is relatively slow, and the factor such as limited by the Solar use time and influence.Therefore a kind of device of efficient dewatered sludge how is designed
As 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 sludge heat drying using high temperature furnace waste heat fills
Put, the device recycles high temperature furnace of the prior art caused high-temperature flue gas in the course of the work, the heat of reuse to sludge
Desiccation stage, purging pin carry out alternately purging, the depth by the way of alternately contact heating above sludge and inside sludge
Sludge is heated, realizes the sludge dehydration process of maximal efficiency, and the apparatus structure is simple, automatic controlling level is high, have can
Quantity-produced advantage, high-temperature flue gas caused by high temperature furnace is applied to the heat drying process of sludge, realizes the efficient profit of heat
With.
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 sludge heat drying device using high temperature furnace waste heat, including：Feed system, desiccation
Case and discharging opening, it is characterised in that wherein, the desiccation case includes：Purging system, transmission system, smoke evacuation system and desiccation case
Base, wherein, the purging system includes：Air inlet, smoke chamber, 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 and multiple purging baffle plates, the multiple purging pin set in array be located at the lower section of the smoke chamber and with the cigarette
Air chamber is connected, and the multiple purging baffle plate is located at the inside of the smoke chamber and respectively positioned at the upper of the often capable purging pin
Side, for blocking the pin hole of the purging pin and then controlling the air inflow of high-temperature flue gas, the control device blows with the multiple
Sweep baffle plate to be connected, for controlling the lifting of the multiple purging baffle plate, and then control the quantity of the purging pin purged；It is described
Transmission system is located at the bottom of the desiccation case intracavitary, and heat drying is carried out for transmitting sludge；The smoke evacuation system is positioned at described
The top of desiccation case, connected with the inner chamber of the desiccation case；The feed system includes：Feed hopper and feeding-passage, wherein,
The feed hopper is located at the top of the desiccation case, and the feeding-passage includes：Vertical Channel and bending channel, it is described vertical
Passage vertically extends to outside inside the desiccation case, and its one end is connected with the feed hopper, and the other end is located at
It is connected inside the desiccation case and with the bending channel, the bending channel is located at the inside of the desiccation case, the transmission
The top of the conveyer belt front end of system, for enabling sludge smoothly to fall on the conveyer belt.
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 purging system also includes：Stretchable bar, the stretchable bar are fixed on the upper of the smoke chamber
Portion and it is connected with the desiccation case, for controlling the adjustable height of the smoke chamber.
Further, the lower surface of the purging baffle plate is provided with the solid plunger being engaged with the multiple purging pin, uses
In inserting in the purging pin hole, the opening and closing of the purging pin are controlled.
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 the 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 discharging opening is located at the end of the conveyer belt, for will be passed after desiccation through the conveyer belt
The sludge discharge sent.
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 sludge stabilization in transmit process.
The utility model comprises at least following beneficial effect：
1）The utility model is bent its feeding part pipeline by carrying out unique design to feed pipe, and
And steadily dropped down onto using the gravity of sludge itself on conveyer belt, eliminate it is traditional by electric power drive material feed device and
Drawing mechanism, cost is saved；
2）The device utilizes high temperature furnace of the prior art caused high-temperature flue gas in the course of the work, reuse to sludge
In the heat drying stage, the adjustable height of smoke chamber is controlled by adjusting OK a karaoke club boom, make purging pin above sludge and inside sludge
Alternately purging is carried out, depth heats sludge by the way of alternately contact heating, realizes the sludge dehydration process of maximal efficiency,
And the apparatus structure is simple, automatic controlling level is high, have can quantity-produced advantage, by high-temperature flue gas caused by high temperature furnace
Applied to the heat drying process of sludge, the efficient utilization of heat is realized；
3）Industrialization effect is good, and single device treating capacity is changeable；
4）Desiccation case endogenous pyrogen comes from burning waste gas, substitutes traditional electrical heating and outer energy supply source, realizes energy circulation profit
It is high with purpose, heat utilization efficiency；
5）Sludge is heated evenly in drying process, and drying efficiency is high, and material is stable relative to conveyer belt, high temperature cigarette
Gas contacts fully with sludge, and drying effect is good, also, whole processing procedure generation Dust Capacity is few, is set without large-scale dedusting
Risk that is standby, not exploding；
6）Waste gas caused by mud drying process and high-temperature flue gas integrated treatment are reduced exhaust-gas treatment expense by the device
It is simple with the design of, the device, consumed without complex operations, and in operating process low, maintenance cost is low.
Brief description of the drawings
Fig. 1 is the cross-sectional view of the utility model sludge heat drying device.
Fig. 2 is the structure diagram 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.
Fig. 7 is the structural representation of the utility model purging system.
Wherein, desiccation case 1, desiccation bottom seat 101, air inlet 2, smoke chamber 3, pin 4 is purged, purges baffle plate 401, OK a karaoke club is stretched
Bar 402, solid plunger 403, feed hopper 5, Vertical Channel 6, bending channel 7, conveyer belt 8, motor 9, conveyer belt support meanss
10, pedestal 11, exhaust opening 12, discharging opening 13.
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 proposes a kind of sludge heat drying device using high temperature furnace waste heat, Fig. 1 is that the utility model is dirty
The cross-sectional view of mud heat drying device, shown in reference picture 1, including：Feed system, desiccation case 1 and discharging opening 13, according to
Embodiment of the present utility model, wherein, the desiccation case includes：Purging system, transmission system, smoke evacuation system and desiccation bottom seat
101。
Inventor has found, according to the sludge heat drying device using high temperature furnace waste heat of the utility model embodiment, passes through
Unique design is carried out to feed pipe, its feeding part pipeline is bent, and it is steady using the gravity of sludge itself
Drop down onto on conveyer belt, eliminate traditional material feed device and drawing mechanism driven by electric power, saved cost；Simultaneously
The device utilizes high temperature furnace of the prior art caused high-temperature flue gas in the course of the work, the heat drying rank of reuse to sludge
Section, the adjustable height of smoke chamber is controlled by adjusting OK a karaoke club boom, purging pin is replaced above sludge and inside sludge
Purging, depth heats sludge by the way of alternately contact heating, realizes the sludge dehydration process of maximal efficiency, and the device
It is simple in construction, automatic controlling level is high, have can quantity-produced advantage, by high-temperature flue gas caused by high temperature furnace be applied to dirt
The heat drying process of mud, realize the efficient utilization of heat；Also, industrialization effect is good, and single device treating capacity is changeable；And
Desiccation case endogenous pyrogen comes from burning waste gas, substitutes traditional electrical heating and outer energy supply source, realizes heat recovery purpose, heat profit
With rate height；Meanwhile sludge is heated evenly in drying process, drying efficiency is high, and material is stable relative to conveyer belt, high temperature
Flue gas contacts fully with sludge, and drying effect is good, also, whole processing procedure generation Dust Capacity is few, without large-scale dedusting
Equipment, the risk do not exploded；In addition, the device is by waste gas caused by mud drying process and high-temperature flue gas General Office
Reason, reduces exhaust-gas treatment expense, and device design is simple, is consumed without complex operations, and in operating process low, safeguards into
This is low.
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 adjusted according to the sludge quantity for being actually needed heat drying processing,
According to some embodiments of the utility model, in order to ensure residence time and desiccation effect of the sludge in desiccation case, desiccation case
Length and height keep constant, adapt to treating capacity by adjusting the width of desiccation case, it is preferred that the length of the desiccation case
20m is arranged to, is highly arranged to 1.8m, when the width for adjusting the desiccation case is 4m, the treating capacity of sludge can reach
17.3t/h。
According to embodiment of the present utility model, shown in reference picture 1, the feed system includes：Feed hopper 5 and charging are logical
Road, wherein, the feed hopper is located at the top of the desiccation case, and the feeding-passage includes：Vertical Channel 6 and bending channel
7, the Vertical Channel vertically extends to outside inside the desiccation case, and its one end is connected with the feed hopper,
The other end is located inside the desiccation case and is connected with the bending channel, and the bending channel is located at the interior of the desiccation case
Portion, the transmission system conveyer belt front end top, it is furthermore preferred that positioned at the middle part of the initiating terminal of the conveyer belt
Top, the Action of Gravity Field of sludge material itself is relied in fill process, is smoothly fallen on the conveyer belt, the bending channel
Design dropping for sludge has been subjected to effective buffering, reduce the infringement to the transmission system, and sewage sludge feed can be with
Full of the bending channel, so as to form sealing structure, the effusion of high-temperature flue gas is prevented.
According to some embodiments of the utility model, shown in reference picture 1, the angle of bend of bending channel described in the utility model
Spend and be：The angle α that the starting outer arc segments of the bending channel and the Vertical Channel junction are formed with vertical direction is preferably
0 ° of ＜ α≤45 °, the utility model are preferably 30 °, and sludge material steadily can drop from the bending channel in maximum efficiency
On the conveyer belt, larger impact will not be produced to conveyer belt and damage transmission system；In the Vertical Channel and bending
When the length of passage does not change, because when the angle α tends to 0 °, the bending channel tends to Vertical Channel, so
Sludge material can be caused directly vertically directly to drop on the conveyer belt, larger impulsive force is produced, easily to institute
State conveyer belt to cause damage, unnecessary trouble and economic loss are brought to maintenance, it is described curved when the angle α is more than 45 °
The discharge end in triton road tends to be horizontal, causes sludge material stopping whereabouts or decrease speed slow, easily causes the blocking of passage, sternly
Operating efficiency is have impact on again.
According to embodiment of the present utility model, Fig. 2 is the structure diagram of the utility model purging system, referring to Figures 1 and 2
Shown, the purging system includes：Air inlet 2, smoke chamber 3, blow device and control device, wherein, the smoke chamber is located at
The inside of the desiccation case, described air inlet one end are connected with the smoke chamber, and the other end vertically extends to described
The outside of desiccation case, enter for high-temperature flue gas through the air inlet in the smoke chamber；The blow device includes：It is multiple to blow
Sweep 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 it is described
Smoke chamber is connected, and the multiple purging baffle plate is located at the inside of the smoke chamber and respectively positioned at the upper of the often capable purging pin
Side, according to some embodiments of the utility model, Fig. 7 is the structural representation of the utility model purging system, the institute of reference picture 7
Show, the lower surface of purging baffle plate described in the utility model is provided with the solid plunger 403 being engaged with the multiple purging pin, described
The overall diameter of solid plunger is slightly less than purging pin interior diameter, and length is identical with purging pin length, when the purging baffle plate is fallen,
Solid plunger insertion purging pin is closed, and opens purging pin during rise；The utility model is preferably a purging baffle plate
On a line purging pin, control often row purging pin is simplified in realization, and the solid plunger blocks the pin hole of the purging pin, and then
Control high-temperature flue gas enters in desiccation case cavity the high-temperature flue gas amount contacted with sludge；The control device with it is the multiple
Purging baffle plate is connected, and for controlling the lifting of the multiple purging baffle plate, and then controls 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 sludge, 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 is understood that be provided with multiple through holes for the smoke chamber bottom and be connected with the multiple purging pin matching.
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
Fall the pin hole for blocking the purging pin, the purging pin Close All；According to some embodiments of the utility model, for not
Sludge quantity with situation can use different gears, ensure that heat is fully used, and formed with sludge fully contact into
The efficient heat drying of row.
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 sludge the heat drying of sludge is handled.
According to embodiment of the present utility model, shown in reference picture 7, the purging system also includes：Stretchable bar 402, institute
Stretchable bar is stated to be fixed on the top of the smoke chamber and with the desiccation case be connected, can be according to sludge in real work
Moisture content, the adjustable height for controlling the smoke chamber inside the desiccation case by controlling the stretchable bar to realize,
In the course of work, when sludge is in the lower section of the purging pin array, due to the close imporosity of sludge matter, high warm flue gas is difficult to
Into inside sludge, so the height for needing to adjust smoke chamber in mud drying process makes purging pin be inserted into sludge
Portion, concrete operations mode can be：Before purging pin insertion sludge, the shelves of control device selection purging pin described in first passage
Position is four gears, and the solid plunger is entirely insertable in the purging pin hole, closes all purging pins, prevent sludge blockage from purging
Pin, secondly, by controlling the stretchable bar to control the smoke chamber to decline in the desiccation case, insert the purging pin
Inside sludge, further according to the moisture content of actual sludge, the selection regulation gear for purging pin is carried out.
According to some embodiments of the utility model, when sludge is in the lower section of the purging pin array, the purging
Pin lower end 100-200mm above sludge material, close contact is carried out, when high-temperature flue gas enters institute by the purging pin
When stating desiccation case, due to the reason of pressure, flue gas carries downward initial velocity, therefore can contact sludge closely at once,
It is evenly distributed due to purging pin, therefore high-temperature flue gas is capable of the top of uniform contact drying sludge；When the cigarette that lands
Air chamber, after purging pin inserts sludge, high-temperature flue gas is purged inside sludge, and the utility model is entered by the control device
Row control, inside and outside progress of the high-temperature flue gas to sludge is uniformly replaced contact and fully dry, make to dry effect
Fruit reaches maximization, and more specifically, after purging pin purges 5-30 min above sludge, control enters sludge internal sweep 5-30
Min, then return and continue to purge above sludge, carry out alternately purging.After heat exchange, caused waste and old flue gas still retains one
Fixed residual temperature, therefore loss discharges desiccation case through exhaust opening upwards, is discharged after the flue gas processing device purified treatment is up to standard.
According to some embodiments of the utility model, the particular type of control device described in the utility model is unrestricted,
If the lifting of the multiple purging baffle plate and OK a karaoke club boom can be controlled, and then the number for the purging pin that control is purged respectively
Adjustable height of the smoke chamber inside the desiccation case is measured and controls, the utility model can also include control device
It is connected with external computer, artificially computer is operated or remote control realizes operation to control device.
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 sludge：With filter bores
Conveyer belt 8, the motor 9 positioned at the conveyer belt both ends, conveyer belt support meanss 10 and pedestal 11, the conveyer belt is around the electricity
Machine 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 the pedestal,
Transmission power is provided for conveyer belt；According to some embodiments of the utility model, conveyer belt support meanss described in the utility model
Including multiple supporters, the multiple supporter is set in herringbone structure, for strengthening stability of strutting system and then sludge is existed
It is stable in transmit process；Meanwhile transmission system described in the utility model changes with the difference of the treating capacity of sludge, specifically
, can be by changing the quantity of group of motors and the width of conveyer belt so as to adapt to the different treating capacity of sludge, when the motor
Group is arranged to four groups of parallel connections, and the width of the conveyer belt is 3.6m, and length 44m, the transmission speed of conveyer belt is 2.78mm/s,
The average layer thickness of sludge material on a moving belt is 200 mm, and the treating capacity of sludge can reach 17.3 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 12, 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
It is connected with the flue gas processing device, for the waste and old flue gas discharged through the exhaust opening to be purified through the flue gas processing device
Handle 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 discharging opening 13 is arranged on the desiccation case and position
In the end of the conveyer belt, sludge is sent into discharging opening by the conveyer belt after drying, by dirt follow-up on the conveyer belt
Mud promotes and is extruded desiccation case, it is preferred that and the discharging opening is discharge pipe, there is 500mm extension outside the desiccation case,
Therefore, dried sludge can form sealing mechanism in discharging opening, prevent the effusion of high-temperature flue gas；The sludge of discharge directly enters
Enter and be pyrolyzed in sludge high temperature stove, high-temperature flue gas caused by pyrolysis is sent into institute once more by the air inlet in sludge high temperature stove
State and be heat-treated in desiccation case, realization recycles thermal resource.
Inventor has found, according to the sludge heat drying device using high temperature furnace waste heat of the utility model embodiment, passes through
Unique design is carried out to feed pipe, its feeding part pipeline is bent, and it is steady using the gravity of sludge itself
Drop down onto on conveyer belt, eliminate traditional material feed device and drawing mechanism driven by electric power, saved cost；Simultaneously
The device utilizes high temperature furnace of the prior art caused high-temperature flue gas in the course of the work, the heat drying rank of reuse to sludge
Section, the adjustable height of smoke chamber is controlled by adjusting OK a karaoke club boom, purging pin is replaced above sludge and inside sludge
Purging, depth heats sludge by the way of alternately contact heating, realizes the sludge dehydration process of maximal efficiency, and the device
It is simple in construction, automatic controlling level is high, have can quantity-produced advantage, by high-temperature flue gas caused by high temperature furnace be applied to dirt
The heat drying process of mud, realize the efficient utilization of heat；Also, industrialization effect is good, and single device treating capacity is changeable；And
Desiccation case endogenous pyrogen comes from burning waste gas, substitutes traditional electrical heating and outer energy supply source, realizes heat recovery purpose, heat profit
With rate height；Meanwhile sludge is heated evenly in drying process, drying efficiency is high, and material is stable relative to conveyer belt, high temperature
Flue gas contacts fully with sludge, and drying effect is good, also, whole processing procedure generation Dust Capacity is few, without large-scale dedusting
Equipment, the risk do not exploded；In addition, the device is by waste gas caused by mud drying process and high-temperature flue gas General Office
Reason, reduces exhaust-gas treatment expense, and device design is simple, is consumed without complex operations, and in operating process low, safeguards into
This is low.
In another aspect of the present utility model, there is provided a kind of to carry out sludge using foregoing sludge heat drying device
The method of heat drying, according to embodiment of the present utility model, comprise the following steps：
A. sludge is fed by the feed hopper, through the vertical pipeline and bending channel steady fall to the biography
Send and take.
According to embodiment of the present utility model, shown in reference picture 1, the feed system includes：Feed hopper and charging are logical
Road, wherein, the feed hopper is located at the top of the desiccation case, and the feeding-passage includes：Vertical Channel and bending channel,
The Vertical Channel vertically extends to outside inside the desiccation case, and its one end is connected with the feed hopper, separately
One end is located inside the desiccation case and is connected with the bending channel, the bending channel be located at the desiccation case inside,
The top of the conveyer belt front end of the transmission system, it is furthermore preferred that positioned at the upper of the middle part of the initiating terminal of the conveyer belt
It is square, the Action of Gravity Field of sludge material itself is relied in fill process, is smoothly fallen on the conveyer belt, the bending channel
Dropping for sludge has been carried out effective buffering by design, reduces the infringement to the transmission system, and make can be with for sewage sludge feed
Full of the bending channel, so as to form sealing structure, the effusion of high-temperature flue gas is prevented.
B. conveyer belt described in motor driven rotates, meanwhile, it is passed through the high temperature cigarette that temperature is at least 200 DEG C from the air inlet
Gas selects gear, while adjust institute by the stretchable bar according to sewage sludge feed amount to smoke chamber by the control device
Height of the smoke chamber inside the desiccation case is stated, makes high-temperature flue gas by the purging pin array above sludge and in sludge
Portion carries out 5-30min alternating purging, fully contacts to form heat exchange and then progress desiccation with sludge.
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
Fall the pin hole for blocking the purging pin, the purging pin Close All；According to some embodiments of the utility model, for not
Sludge quantity with situation can use different gears, ensure that heat is fully used, and formed with sludge fully contact into
The efficient heat drying of row.
According to some embodiments of the utility model, when sludge is in the lower section of the purging pin array, the purging
Pin lower end 100-200mm above sludge material, close contact is carried out, when high-temperature flue gas enters institute by the purging pin
When stating desiccation case, due to the reason of pressure, flue gas carries downward initial velocity, therefore can contact sludge closely at once,
It is evenly distributed due to purging pin, therefore high-temperature flue gas is capable of the top of uniform contact drying sludge；When the cigarette that lands
Air chamber, after purging pin inserts sludge, high-temperature flue gas is purged inside sludge, and the utility model is entered by the control device
Row control, inside and outside progress of the high-temperature flue gas to sludge is uniformly replaced contact and fully dry, make to dry effect
Fruit reaches maximization, and more specifically, after purging pin purges 5-30 min above sludge, control enters sludge internal sweep 5-30
Min, then return and continue to purge above sludge, carry out alternately purging.After heat exchange, caused waste and old flue gas still retains one
Fixed residual temperature, therefore loss discharges desiccation case through exhaust opening upwards, is discharged after the flue gas processing device purified treatment is up to standard.
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 sludge
Mouth enters flue gas processing device purification discharge.
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, for by through the waste and old flue gas that the exhaust opening is discharged through the flue gas processing device purification at
Manage rear discharge up to standard.
D. the sludge after the conveyer belt transport desiccation is discharged by the discharging opening, and the sludge of discharge is directly entered sludge
It is pyrolyzed in high temperature furnace, high-temperature flue gas caused by pyrolysis is sent into the desiccation once more by the air inlet in sludge high temperature stove
It is heat-treated in case, realization recycles thermal resource.
According to embodiment of the present utility model, shown in reference picture 1, the discharging opening is arranged on the desiccation case and is located at
The end of the conveyer belt, sludge is sent into discharging opening by the conveyer belt after drying, by sludge follow-up on the conveyer belt
Promotion is extruded desiccation case, it is preferred that and the discharging opening is discharge pipe, there is 500mm extension outside the desiccation case, because
This, dried sludge can form sealing mechanism in discharging opening, prevent the effusion of high-temperature flue gas；The sludge of discharge is directly entered
It is pyrolyzed in sludge high temperature stove, high-temperature flue gas caused by pyrolysis is sent into described once more by the air inlet in sludge high temperature stove
It is heat-treated in desiccation case, realization recycles thermal resource.
Embodiment：Humidity is 80% mud sample, is continuously introduced into 17.3 t/h speed in desiccation case, 250 DEG C
High-temperature flue gas is with 11625.6 Nm3/ h speed enters high-temperature flue gas room by air inlet, and a gear is selected by control device
Set, purged at the top 200mm of sludge with internal alternating, purge 10min every time.Conveyer belt is with 2.78 mm/s operation
Speed onwards transmission sludge material（Residence time of the sludge in desiccation case is 1 h）.High-temperature flue gas and sludge in the process
Material is discharged after carrying out heat exchange together with caused waste gas in mud drying process by exhaust opening.EGT is 20 DEG C.It is dry
Sludge after dry is discharged into high temperature furnace by discharging opening to be pyrolyzed.Moisture percentage in sewage sludge after desiccation is 20-30%.
Inventor has found, according to the sludge heat drying device using high temperature furnace waste heat of the utility model embodiment, passes through
Unique design is carried out to feed pipe, its feeding part pipeline is bent, and it is steady using the gravity of sludge itself
Drop down onto on conveyer belt, eliminate traditional material feed device and drawing mechanism driven by electric power, saved cost；Simultaneously
The device utilizes high temperature furnace of the prior art caused high-temperature flue gas in the course of the work, the heat drying rank of reuse to sludge
Section, the adjustable height of smoke chamber is controlled by adjusting OK a karaoke club boom, purging pin is replaced above sludge and inside sludge
Purging, depth heats sludge by the way of alternately contact heating, realizes the sludge dehydration process of maximal efficiency, and the device
It is simple in construction, automatic controlling level is high, have can quantity-produced advantage, by high-temperature flue gas caused by high temperature furnace be applied to dirt
The heat drying process of mud, realize the efficient utilization of heat；Also, industrialization effect is good, and single device treating capacity is changeable；And
Desiccation case endogenous pyrogen comes from burning waste gas, substitutes traditional electrical heating and outer energy supply source, realizes heat recovery purpose, heat profit
With rate height；Meanwhile sludge is heated evenly in drying process, drying efficiency is high, and material is stable relative to conveyer belt, high temperature
Flue gas contacts fully with sludge, and drying effect is good, also, whole processing procedure generation Dust Capacity is few, without large-scale dedusting
Equipment, the risk do not exploded；In addition, the device is by waste gas caused by mud drying process and high-temperature flue gas General Office
Reason, reduces exhaust-gas treatment expense, and device design is simple, is consumed without complex operations, and in operating process low, safeguards into
This is low.
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 (8)
1. a kind of sludge heat drying device using high temperature furnace waste heat, including：Feed system, desiccation case and discharging opening, its feature
It is, wherein, the 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 sludge；
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 includes：Feed hopper and feeding-passage, wherein, the feed hopper is located at the upper of the desiccation case
Side, the feeding-passage include：Vertical Channel and bending channel, the Vertical Channel is vertically inside the desiccation case
Extend to outside, its one end is connected with the feed hopper, the other end be located inside the desiccation case and with the bending channel
Be connected, the bending channel be located at the inside of the desiccation case, the transmission system conveyer belt front end top, for making dirt
Mud can be smoothly fallen on the conveyer belt.
2. sludge 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. sludge heat drying device according to claim 1, it is characterised in that the purging system also includes：It is stretchable
Bar, the stretchable bar is fixed on the top of the smoke chamber and is connected with the desiccation case, for controlling the smoke chamber
Adjustable height.
4. sludge heat drying device according to claim 1, it is characterised in that it is described purging baffle plate lower surface be provided with
The multiple solid plunger that is engaged of purging pin, for inserting in the purging pin hole, control the purging pin unlatching and
Close.
5. sludge 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 the pedestal.
6. sludge 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.
7. sludge heat drying device according to claim 1, it is characterised in that the discharging opening is located at the conveyer belt
End, for the sludge through conveyer belt transmission after desiccation to be discharged.
8. sludge heat drying device according to claim 5, 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 sludge in transmit process
Middle stabilization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720676736.XU CN206970450U (en) | 2017-06-12 | 2017-06-12 | A kind of sludge heat drying device using high temperature furnace waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720676736.XU CN206970450U (en) | 2017-06-12 | 2017-06-12 | A kind of sludge heat drying device using high temperature furnace waste heat |
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| Publication Number | Publication Date |
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| CN206970450U true CN206970450U (en) | 2018-02-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617686A (en) * | 2019-09-09 | 2019-12-27 | 孙灯成 | Adjustable mud formula drying device that smooths |
| CN110642496A (en) * | 2019-09-07 | 2020-01-03 | 合肥佳安建材有限公司 | Top-turning type sludge drying device |
-
2017
- 2017-06-12 CN CN201720676736.XU patent/CN206970450U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110642496A (en) * | 2019-09-07 | 2020-01-03 | 合肥佳安建材有限公司 | Top-turning type sludge drying device |
| CN110617686A (en) * | 2019-09-09 | 2019-12-27 | 孙灯成 | Adjustable mud formula drying device that smooths |
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