CN108341585A - A kind of indirect thermal desorption device of sludge - Google Patents
A kind of indirect thermal desorption device of sludge Download PDFInfo
- Publication number
- CN108341585A CN108341585A CN201810329630.1A CN201810329630A CN108341585A CN 108341585 A CN108341585 A CN 108341585A CN 201810329630 A CN201810329630 A CN 201810329630A CN 108341585 A CN108341585 A CN 108341585A
- Authority
- CN
- China
- Prior art keywords
- thermal desorption
- sludge
- hollow
- heat conduction
- agitating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003795 desorption Methods 0.000 title claims abstract description 102
- 239000010802 sludge Substances 0.000 title claims abstract description 81
- 238000002485 combustion reaction Methods 0.000 claims abstract description 36
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 claims description 26
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 23
- 239000003546 flue gas Substances 0.000 claims description 23
- 239000000779 smoke Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 12
- 239000003517 fume Substances 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 4
- 208000004141 microcephaly Diseases 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 3
- 239000002689 soil Substances 0.000 description 18
- 238000000197 pyrolysis Methods 0.000 description 9
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000011899 heat drying method Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/21—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by their rotating shafts
- B01F27/2122—Hollow shafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/72—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices
- B01F27/726—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices with two helices with opposite pitch on the same shaft; with two helices on the same axis, driven in opposite directions or at different speeds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F35/95—Heating or cooling systems using heated or cooled stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F2035/99—Heating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/26—Reducing the size of particles, liquid droplets or bubbles, e.g. by crushing, grinding, spraying, creation of microbubbles or nanobubbles
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of indirect thermal desorption devices of sludge, including thermal desorption room, combustion chamber, head case, boot and hollow agitating shaft, the bottom in thermal desorption room is arranged in the combustion chamber, the exhanst gas outlet of the combustion chamber is communicated with the gas inlet of boot, the head case is set to the head end of thermal desorption room, the boot is set to the tail end of thermal desorption room, and the hollow agitating shaft passes through thermal desorption room and both ends are respectively arranged in head case and boot.It is an advantage of the invention that heat transfer area is big, heating temperature is high, and heat utilization ratio is high, and process range is wide, conducts heat while carrying out extruding stirring to sludge, especially suitable for processing high-moisture percentage, highly viscous sludge.
Description
Technical field
The present invention relates to a kind of pyrolyzing sludge desorption apparatus, specifically a kind of indirect thermal desorption device of sludge belongs to
Sludge recovery technique field.
Background technology
Treatment of Sludge is always a global problem, economic and environment-friendly for sludge along with the perfect of environmental regulation
Type processing becomes particularly important, and original Treatment of Sludge mode has been not suitable with new requirement, and new sludge treatment equipment is just shown
It obtains very necessary.Since sludge itself has the features such as moisture content is high, and viscosity is big, and pollutant kind is complicated, sludge is caused to be not easy
Processing.Currently, the method for processing sludge usually has sludge heat drying method, sludge incineration method, sludge composting method, sludge power plant multifuel combustion
Method and lime desiccation method etc., in above-mentioned numerous physically or chemically restorative procedure, indirect thermal desorption is generally acknowledged processing sludge
More mature reliable technology.
Indirect thermal desorption is under condition of negative pressure, using indirect heat exchange technology, sludge to be heated to enough temperature, is made
Moisture and pollutant volatilize and detach from sludge, to make the pollutant concentration in sludge be reduced to desired value or less.It is existing
Sludge treatment device mostly use paddle-dryer, although can dewatered sludge, since heating temperature is limited, it is difficult to handle
Multiple pollutant in sludge, and the disadvantages such as that there are heat utilization ratios is low, heating temperature is low.
It is found through retrieval, the Chinese patent of Publication No. CN106635081A discloses a kind of sludge hot kickoff mechanism, should
Device includes：Pyrolysis desorption furnace body, for the pyrolysis desorption of sludge and the transmission of sludge, the pyrolysis desorption furnace body is inside and outside
The nested structure of chamber, including hold the pyrolysis desorption chamber of sludge and be wrapped in the heating chamber that the pyrolysis is desorbed outside chamber, it is described
Pyrolysis desorption intracavitary is equipped with conveying mechanism；Pyrolysis desorption furnace body is divided into upper furnace body and lower furnace body setting up and down, it is described on
Hot gas rising passway is arranged between furnace body and lower furnace body to be connected to the heating chamber of the two, is arranged between the upper furnace body and lower furnace body
The pyrolysis desorption chamber of the two is connected to by material dropping channel；Hot gas generating means；Material inlet, setting are separate in the upper furnace body
One end of the material dropping channel；Material outlet is arranged in the one end of the lower furnace body far from the material dropping channel；It is mixed
Gas channel is closed, is connected to pyrolysis desorption chamber；Exhanst gas outlet.The equipment is mainly the burning using combustion gas in heating chamber to soil
Earth is heated, the fully wrapped around thermal desorption chamber of heating chamber, and thermal desorption chamber upper surface is difficult to carry out heat transfer to the greasy filth of its inside,
Cause its heat transfer efficiency low, amount of consumed gas is big, while the main function of its shaftless auger plays the role of conveying, the work(of heat transfer
Can be less, almost without the function of stirring, itself has significant limitation since it is without shaft design, when oily sludge is stifled
The phenomenon that being distorted it is easy to appear auger when plug is inside auger, therefore be difficult continuous operation in practical engineering application, especially
It is ineffective when handling the prodigious soil of viscosity such as oily sludge.
In addition, the Chinese patent application that application publication number is CN102515460A discloses a kind of sludge drier, including
Body with feed inlet, discharge port is equipped with hollow shaft in body, wedge hollow blade is arranged in hollow shaft, described
Hollow shaft shaft end is connected with the rotary joint of carrying vapour import and condensation-water drain, and the hollow blade is equipped with air inlet pipe,
It is equipped with outlet pipe between hollow blade and hollow shaft, the steam inlet duct of connection steam inlet, institute are equipped in the hollow shaft
Set air inlet pipe is tightly connected with steam inlet duct on the hollow blade stated.Based on existing equipment, the steaming of the sludge drier
Gas is still sent by rotary joint, and steam inlet duct is arranged in body, and the air inlet pipe on hollow blade is sealed with steam inlet pipe
Docking, to ensure that each hollow blade is sent to steam, the condensed water generated after heat exchange flows into hollow pipe by outlet pipe, then
It is exported by condensation-water drain.Although the equipment is that soil is dried using hollow blade, but is mainly steamed using water
Vapour enters after blade carries out heat exchange with sludge, and steam self-temperature is limited, and presently mainly soil itself is dried,
Since the temperature that soil itself rises is relatively low, it is difficult to which oleaginous material is made to be evaporated from soil, contain greasy dirt for handling some
Mud, the processing of such equipment also will produce a large amount of condensed water almost without effect in entire drying process.
Therefore solve that heating temperature existing for current sludge treatment device is low, heat utilization ratio is low, disposition range is small etc. lacks
Point is current sludge treatment urgent problem to be solved.
Invention content
It is an object of the invention to：In view of the defects existing in the prior art, propose that a kind of heating temperature is high, heat transfer area
Greatly, heat utilization ratio is high, and thermal desorption energy consumption is low, the wide indirect thermal desorption device of sludge of disposition range.
In order to reach object above, the present invention provides a kind of indirect thermal desorption devices of sludge, including thermal desorption room, burning
The bottom in thermal desorption room, the exhanst gas outlet of the combustion chamber is arranged in room, head case, boot and hollow agitating shaft, the combustion chamber
It is communicated with the gas inlet of boot, the head case is set to the head end of thermal desorption room, and the boot is set to the tail of thermal desorption room
End, the hollow agitating shaft passes through thermal desorption room and both ends are respectively arranged in head case and boot.
The present invention mainly enters with high-temperature flue gas inside hollow shaft and hollow blade, in hollow shaft and hollow blade
Realize that heat is exchanged with each other with soil while rotation.
Preferably, the thermal desorption room includes the lower housing that a cross section is W types, is divided in two grooves of the lower housing
Not She You a hollow agitating shaft, hollow agitating shaft drives by driving motor.
In above structure, sets the lower housing of thermal desorption room to W types, the filling of thermal desorption chamber interior soil can be increased
Rate, and realize that thermal desorption room coincide with hollow agitating shaft and the abundant of heat conduction blade, and then increase hollow agitating shaft and heat conduction paddle
The contact area of leaf and sludge in thermal desorption chamber interior.In addition, two hollow agitating shafts are equipped in thermal desorption chamber interior, it can be to containing
The larger soil of the viscosity such as oil realizes heat transfer while carrying out extruding stirring.
Preferably, the thermal desorption room, head case, boot are made of double-jacket respectively, are arranged in the double-jacket
There is heat-barrier material；It is equipped with feed inlet on the upside of the head end of the thermal desorption room, discharge port is equipped on the downside of tail end；It is set in the head case
There are chimney, the boot that there is gas inlet.
Preferably, the combustion chamber includes burner and fume generating furnace, and the fume generating furnace includes open topped
Furnace body, the lower housing of furnace body package thermal desorption room, one end of the furnace body has exhanst gas outlet, the other end and burner phase
Even.
In above structure, it is equipped with combustion chamber in the bottom of thermal desorption room, the lower housing of thermal desorption room is combustion chamber upper casing
Body, and the lower housing of thermal desorption room is in direct contact with combustion chamber so that combustion chamber passes through lower casing while burning generates flue gas
Contact level carries out heat exchange with soil, increases heat transfer efficiency.
Preferably, one group of equally distributed heat conduction blade in an axial direction, institute are equipped in the outer round surface of the hollow agitating shaft
It is in hollow shape to state heat conduction blade, and the heat conduction blade is communicated with hollow agitating shaft.
Preferably, the heat conduction blade is wedge shape and, the thickness of the heat conduction blade annular with certain thickness hollow fan
Degree becomes larger from one end to the other end, and the intrados of the heat conduction blade is welded on hollow agitating shaft；Single hollow stirs
Two rows of heat conduction blades positioned opposite, axis direction interleaved cloth of two rows of heat conduction blades along hollow agitating shaft are welded on axis
It sets, forms two passes line between two rows of heat conduction blades, two passes line is spiraled in the shape of a spiral on hollow agitating shaft, two skies
Heat conduction blade on heart agitating shaft intermeshes.
Preferably, the heat conduction blade surrounds group by the fan-shaped side plate of outer arc panel, major part end plate, microcephaly's end plate and two
At equipped with cleaning shoe on the major part end plate.
Preferably, there is smoke air inlet, the other end to have flue gas gas outlet for one end of the hollow agitating shaft.
Preferably, the thermal desorption room is connected by flue with smoke processing system, and the smoke processing system is logical
Piping is connected with combustion chamber.
It is further preferred that the lower housing of the thermal desorption room is combustion chamber upper shell, the thermal desorption room and combustion chamber
Coboundary.
Portion's burning generates high-temperature flue gas to natural gas in the combustion chamber, and high-temperature flue gas enters hollow agitating shaft and hollow heat conduction paddle
Ye Hou realizes the heat exchange between soil, and thermal desorption room lower housing is combustion chamber upper shell, thermal desorption room and combustion chamber
Coboundary realizes that fuel while combustion chambers burn, passes through combustion chamber upper shell（That is thermal desorption room lower housing）With soil into
Row heat exchange, improves rate of heat exchange.
The principle of the present invention is as follows：Sludge removes bulk stone before thermal desorption by simple pretreatment, after pretreatment
Sludge enter thermal desorption room from feed inlet on the upside of the head end of thermal desorption room, under the action of driving motor drives hollow agitating shaft
It is constantly stirred, while burn in a combustion chamber gas inlet of the high-temperature flue gas through boot of generation of fuel is transmitted to hollow stirring
Axis and its hollow heat conduction blade, hollow heat conduction blade are rotated with hollow agitating shaft, and then carry out squeezing stirring and biography to sludge
Heat, heat source flue gas carry out heat exchange in the lower housing of hollow agitating shaft, heat conduction blade and thermal desorption room with sludge, to
The polluter in sludge is set to volatilize to form gaseous state to realize that the purpose detached with soil, the gaseous material after detaching pass through
Flue enters smoke processing system, in smoke processing system cannot processed flue gas enter burning again by pipeline
Room is burnt, and is finally again introduced into thermal desorption room and is carried out secondary heat exchange with soil, and final flue gas passes through hollow stirring
Flue gas gas outlet on axis enters the chimney in head case, and then is drained into air.The height that whole device is generated by combustion chamber
Warm flue gas can pass through combustion chamber and thermal desorption room contact surface（That is the lower housing of thermal desorption room）It conducts heat, and can be by hollow
Agitating shaft and its heat conduction blade carry out heat exchange with soil, and whole device realizes multi-contact surface heat transfer, and heat exchange area is big, heat
It is high to measure utilization rate, heating temperature may be up to 500~800 DEG C, realizes heat exchange while carrying out extruding stirring to sludge, is suitble to
In sticky sludge treatment, the disposition especially suitable for greasy filth.Device disposing sludge using the present invention has heat exchange area
Greatly, heat utilization ratio is high, and heating temperature is high, the advantages that capable of carrying out squeezing stirring to sludge.
Advantages of the present invention is as follows：
1. the device of the invention by using hollow agitating shaft, the hollow heat conduction blade of wedge shape and thermal desorption lower housing three simultaneously
Heat exchange is carried out with sludge, to improve the area of whole device heat exchange, energy consumption is reduced, improves thermal desorption temperature；
2. the device of the invention rotates in opposite directions by using double agitating shafts, blade can carry out extruding stirring to sludge on axis, fit
Close a variety of sticky sludge thermal desorptions, it is especially useful in the disposition of oily sludge；
3. the device of the invention by using biaxially mutually stirring, avoids sludge and pushes problem in thermal desorption chamber interior, it is applicable in
In the disposition of multiple types soil.
In short, heat transfer area of the present invention is big, heating temperature is high, and heat utilization ratio is high, and process range is wide, is carried out to sludge
It conducts heat while squeezing stirring, especially suitable for processing high-moisture percentage, highly viscous sludge.
Description of the drawings
The present invention will be further described below with reference to the drawings.
Fig. 1 is the structural schematic diagram of one embodiment of the invention.
Fig. 2 is the internal view of Fig. 1.
Fig. 3 is the structural schematic diagram of lower housing in the present invention.
Fig. 4 is the front view of Fig. 3.
Fig. 5 is the structural schematic diagram of hollow agitating shaft in the present invention.
Fig. 6 is the side view of Fig. 5.
Fig. 7 is the structural schematic diagram of heat conduction blade in the present invention.
In figure：1. thermal desorption room, 2. head cases, 3. boots, 4. hollow agitating shafts, 5. burners, 6. fume generating furnaces, 7. into
Material mouth, 8. smoke air inlets, 9. flue gas gas outlets, 10. discharge ports, 11. chimneys, 12. flues, 13. combustion chambers, under 14.
Shell, 15. heat conduction blades, 16. cleaning shoes.
Specific implementation mode
Embodiment one
A kind of indirect thermal desorption device of sludge is present embodiments provided, structure is as shown in Figures 1 to 7, including thermal desorption room 1,
The bottom in thermal desorption room 1, the cigarette of combustion chamber 13 is arranged in combustion chamber 13, head case 2, boot 3 and hollow agitating shaft 4, combustion chamber 13
Gas outlet is communicated with the gas inlet of boot 3, and head case 2 is set to the head end of thermal desorption room 1, and boot 3 is set to thermal desorption room 1
Tail end, hollow agitating shaft 4 passes through thermal desorption room 1 and both ends are respectively arranged in head case 2 and boot 3.
Wherein, thermal desorption room 1 includes the lower housing 14 that a cross section is W types, is respectively provided in two grooves of lower housing 14
A piece hollow agitating shaft 4, hollow agitating shaft 4, which is located at one end in boot 3, has smoke air inlet 8, is located at another in head case 2
End has flue gas gas outlet 9, facilitates heat source flue gas to circulate in hollow agitating shaft 4, hollow agitating shaft 4 is driven by driving motor.
Thermal desorption room 1, head case 2, boot 3 are made of steel double-layer chuck respectively, and heat-barrier material is provided in steel double-layer chuck,
It is equipped with feed inlet 7 on the upside of the head end of thermal desorption room 1, discharge port 10 is equipped on the downside of tail end.Head case 2 is equipped with chimney 11, and boot 3 has
There is gas inlet.Combustion chamber 13 includes burner 5 and fume generating furnace 6, and fume generating furnace 6 includes the furnace body of open topped, stove
The lower housing 14 of external cladding thermal desorption room 1, it can be achieved that heat from fume generating furnace 6 and 14 contact surface of lower housing directly to sludge
Heat exchange is carried out, there is exhanst gas outlet, the other end to be connected with burner 5 for one end of furnace body.The lower housing 14 of thermal desorption room 1 is combustion
Room upper shell is burnt, coboundary is realized in thermal desorption room 1 with combustion chamber 13.Thermal desorption room 1 passes through the flue gas positioned at 1 top of thermal desorption room
Pipeline 12 is connected with smoke processing system, is volatilized into after gas for pollutant in sludge and enters smoke processing system, at flue gas
Reason system is connected by pipeline with combustion chamber 13.
In addition, hollow agitating shaft 4 outer round surface be equipped with several uniform spirals in an axial direction distribution heat conduction blade 15, lead
Hot blade 15 is in hollow shape, and heat conduction blade 15 is communicated with hollow agitating shaft 4.Heat conduction blade 15 is wedge shape and has certain thickness
Hollow fan annular, the thickness of heat conduction blade 15 becomes larger from one end to the other end, the internal diameter of heat conduction blade 15, outer diameter, thickness
The parameters such as degree, angle can according to specific needs depending on, the design of this hollow agitating shaft 4 and its heat conduction blade 15 can be utmostly
Heat utilization ratio is improved, so that soil is heated evenly, increases heating temperature.Heat conduction blade 15 is by outer arc panel, major part end plate, small
Head end plate and two fan-shaped side plates are equipped with cleaning shoe 16 around composition on major part end plate, and the intrados of heat conduction blade 15 welds
In on hollow agitating shaft 4.Two rows of heat conduction blades 15 positioned opposite, two rows of heat conduction blades are welded on single hollow agitating shaft 4
15 along hollow agitating shaft 4 axis direction it is interval-staggered, two passes line is formed between two rows of heat conduction blades 15, two are logical
Diatom is spiraled in the shape of a spiral on hollow agitating shaft 4, and the heat conduction blade 15 on two hollow agitating shafts 4 intermeshes.Two skies
Inside 4 penetration heat desorption chamber 1 of heart agitating shaft, and two agitating shafts are open-core type, hollow agitating shaft 4 and hollow heat conduction blade 15
The heat exchange area of heat and sludge is increased, two hollow agitating shafts 4 are oppositely oriented, can be stirred to sticky sludge squeeze
Heat exchange is realized while mixing, and is suitable for the thermal desorption of oily sludge, especially suitable for clayed soil, to being deposited in thermal desorption
Sludge inside room 1 is stirred, and avoids sludge from being deposited in inside thermal desorption room 1, blockage problem occurs.
In actual use, sludge by pretreatment after by belt weighing bucket from 1 upper end of thermal desorption room into
Material mouth 7 enters inside thermal desorption room 1, while fuel carries out burning in fume generating furnace 6 by burner 5 and generates heat, warp
Smoke air inlet 8 enters in hollow agitating shaft 4, and two hollow agitating shafts 4 are rotated in opposite directions under the drive of driving motor, dirty
Mud carries out uniformly stirring chopping, while heat conduction blade 15, hollow agitating shaft 4, lower housing under the action of two hollow agitating shafts 4
14 carry out heat exchange with sludge, and with the exchange of heat, the pollutant in sludge is volatilized into steam and enters through flue 12
Smoke processing system, after flue gas carries out condensation process in smoke processing system, incondensible flue gas goes successively to flue gas
It burns in producer 6, the heat of generation continues through hollow agitating shaft 4, heat conduction blade 15, lower housing 14 and sludge and carries out
Heat exchange, final flue gas are entered by the left side flue gas gas outlet 9 of hollow agitating shaft 4 in chimney 11, and air is finally discharged into
In.
The heating temperature that the present embodiment device generates is high, and heat exchange area is big, and heat utilization ratio is high, and heating temperature may be up to
600 DEG C, extruding stirring can be carried out to sludge, be suitable for multiple types sludge treatment, especially suitable for containing at oils sludge
Reason.
In addition to the implementation, the present invention can also have other embodiment.It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (10)
1. a kind of indirect thermal desorption device of sludge, it is characterised in that：Including thermal desorption room, combustion chamber, head case, boot and hollow stir
Axis is mixed, the bottom in thermal desorption room is arranged in the combustion chamber, and the exhanst gas outlet of the combustion chamber is communicated with the gas inlet of boot,
The head case is set to the head end of thermal desorption room, and the boot is set to the tail end of thermal desorption room, and the hollow agitating shaft passes through
Thermal desorption room and both ends are respectively arranged in head case and boot.
2. the indirect thermal desorption device of a kind of sludge according to claim 1, it is characterised in that：The thermal desorption room includes one horizontal
Section is the lower housing of W types, and a hollow agitating shaft is respectively equipped in two grooves of the lower housing.
3. the indirect thermal desorption device of a kind of sludge according to claim 1, it is characterised in that：The thermal desorption room, head case, tail
Case is made of double-jacket respectively, and heat-barrier material is provided in the double-jacket；On the upside of the head end of the thermal desorption room
Equipped with feed inlet, discharge port is equipped on the downside of tail end；The head case is equipped with chimney, and the boot has gas inlet.
4. the indirect thermal desorption device of a kind of sludge according to claim 1, it is characterised in that：The combustion chamber includes burner
And fume generating furnace, the fume generating furnace include the furnace body of open topped, the lower housing of furnace body package thermal desorption room, institute
There is exhanst gas outlet, the other end to be connected with burner for the one end for stating furnace body.
5. the indirect thermal desorption device of a kind of sludge according to claim 1, it is characterised in that：In the outer of the hollow agitating shaft
Circular surfaces are equipped with one group of equally distributed heat conduction blade in an axial direction, and the heat conduction blade is in hollow shape, and the heat conduction blade with
Hollow agitating shaft communicates.
6. the indirect thermal desorption device of a kind of sludge according to claim 5, it is characterised in that：The heat conduction blade be wedge shape and
With certain thickness hollow fan annular, the thickness of the heat conduction blade becomes larger from one end to the other end, the heat conduction paddle
The intrados of leaf is welded on hollow agitating shaft；It is welded with two rows of heat conduction blades positioned opposite on single hollow agitating shaft, two
Row's heat conduction blade is interval-staggered along the axis direction of hollow agitating shaft, and the heat conduction blade on two hollow agitating shafts is nibbled mutually
It closes.
7. the indirect thermal desorption device of a kind of sludge according to claim 6, it is characterised in that：The heat conduction blade is by extrados
The fan-shaped side plate of plate, major part end plate, microcephaly's end plate and two is equipped with cleaning shoe around composition on the major part end plate.
8. the indirect thermal desorption device of a kind of sludge according to claim 1, it is characterised in that：One end of the hollow agitating shaft
With smoke air inlet, the other end has flue gas gas outlet.
9. the indirect thermal desorption device of a kind of sludge according to claim 1, it is characterised in that：The thermal desorption room passes through flue gas
Pipeline is connected with smoke processing system, and the smoke processing system is connected by pipeline with combustion chamber.
10. the indirect thermal desorption device of a kind of sludge according to claim 9, it is characterised in that：The lower casing of the thermal desorption room
Body is combustion chamber upper shell, the thermal desorption room and combustion chamber coboundary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810329630.1A CN108341585A (en) | 2018-04-13 | 2018-04-13 | A kind of indirect thermal desorption device of sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810329630.1A CN108341585A (en) | 2018-04-13 | 2018-04-13 | A kind of indirect thermal desorption device of sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108341585A true CN108341585A (en) | 2018-07-31 |
Family
ID=62954968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810329630.1A Pending CN108341585A (en) | 2018-04-13 | 2018-04-13 | A kind of indirect thermal desorption device of sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108341585A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179948A (en) * | 2018-08-24 | 2019-01-11 | 芜湖鸣人热能设备有限公司 | A kind of sludge drier |
| WO2020151571A1 (en) * | 2019-01-24 | 2020-07-30 | 杰瑞环保科技有限公司 | Thermal desorption device and control method therefor |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201277797Y (en) * | 2008-10-09 | 2009-07-22 | 王绍良 | Flue gas hollow paddle drier |
| CN102627991A (en) * | 2012-03-30 | 2012-08-08 | 华北电力大学（保定） | Large spiral low-order lignite quality improving system |
| CN203878102U (en) * | 2014-04-30 | 2014-10-15 | 代建军 | Baking system for improving heating uniformity and heat efficiency of biomass |
| CN203928688U (en) * | 2014-05-15 | 2014-11-05 | 江苏先锋干燥工程有限公司 | Blade dryer and paddle blade structure thereof |
| CN204079744U (en) * | 2014-08-27 | 2015-01-07 | 无锡市杰家化工装备有限公司 | A kind of twin shaft hollow paddle type sludge drying machine |
| CN106219936A (en) * | 2016-08-16 | 2016-12-14 | 绿水股份有限公司 | A kind of stirring paddle chip architecture being applied to sludge drying machine |
| CN106430891A (en) * | 2016-10-20 | 2017-02-22 | 南京工业大学 | High-moisture sludge pyrolysis method and device |
| CN206244626U (en) * | 2016-12-05 | 2017-06-13 | 北京中源环保工程有限公司 | Pyrolyzing sludge device |
| CN208218650U (en) * | 2018-04-13 | 2018-12-11 | 南京中船绿洲环保有限公司 | A kind of indirect thermal desorption device of sludge |
-
2018
- 2018-04-13 CN CN201810329630.1A patent/CN108341585A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201277797Y (en) * | 2008-10-09 | 2009-07-22 | 王绍良 | Flue gas hollow paddle drier |
| CN102627991A (en) * | 2012-03-30 | 2012-08-08 | 华北电力大学（保定） | Large spiral low-order lignite quality improving system |
| CN203878102U (en) * | 2014-04-30 | 2014-10-15 | 代建军 | Baking system for improving heating uniformity and heat efficiency of biomass |
| CN203928688U (en) * | 2014-05-15 | 2014-11-05 | 江苏先锋干燥工程有限公司 | Blade dryer and paddle blade structure thereof |
| CN204079744U (en) * | 2014-08-27 | 2015-01-07 | 无锡市杰家化工装备有限公司 | A kind of twin shaft hollow paddle type sludge drying machine |
| CN106219936A (en) * | 2016-08-16 | 2016-12-14 | 绿水股份有限公司 | A kind of stirring paddle chip architecture being applied to sludge drying machine |
| CN106430891A (en) * | 2016-10-20 | 2017-02-22 | 南京工业大学 | High-moisture sludge pyrolysis method and device |
| CN206244626U (en) * | 2016-12-05 | 2017-06-13 | 北京中源环保工程有限公司 | Pyrolyzing sludge device |
| CN208218650U (en) * | 2018-04-13 | 2018-12-11 | 南京中船绿洲环保有限公司 | A kind of indirect thermal desorption device of sludge |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179948A (en) * | 2018-08-24 | 2019-01-11 | 芜湖鸣人热能设备有限公司 | A kind of sludge drier |
| WO2020151571A1 (en) * | 2019-01-24 | 2020-07-30 | 杰瑞环保科技有限公司 | Thermal desorption device and control method therefor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103708452B (en) | A kind of autothermal continuously carbonizing activation working method of biomass and device thereof | |
| CN102261661B (en) | House refuse incineration gasifier | |
| CN108180460A (en) | A kind of abundant combustion environmental-friendly energy-saving boiler | |
| CN208829530U (en) | A kind of three energy-efficient rotary drying equipments | |
| CN208218650U (en) | A kind of indirect thermal desorption device of sludge | |
| CN108341585A (en) | A kind of indirect thermal desorption device of sludge | |
| CN207247215U (en) | Dangerous waste incineration system | |
| CN104910931A (en) | Cultivation farm solid waste continuous pyrolysis carbonization treatment method and device | |
| CN109489048A (en) | A kind of desiccation and burn vertical integrated continuous processing sludge greasy filth excrement material equipment | |
| CN107990741A (en) | A kind of retort UTILIZATION OF VESIDUAL HEAT IN temperature regulating device and its temperature control method | |
| CN110357101A (en) | A kind of cleaning prepares the vertical integral type internal fired furnace of active carbon | |
| JP6132414B2 (en) | Okara combustion heating system | |
| CN209165440U (en) | A kind of rice husk burning device | |
| CN208269196U (en) | A kind of biomass fuel full combustion furnace | |
| CN207815342U (en) | A kind of garbage burning boiler | |
| CN207514925U (en) | A kind of mud cake fluid bed anhydration and incineration stove | |
| CN110395876A (en) | Sludge drying device and drying method | |
| CN106382623B (en) | New energy intelligence bispin boiler | |
| JPH1137644A (en) | Method and apparatus for carbonization of sludge | |
| CN103398381B (en) | Intelligent low carbon boiler energy-saving and emission-reduction system | |
| CN205448287U (en) | Many fuel heat pipe indirect heating hot -blast furnace | |
| CN107760321A (en) | A kind of retort insulation construction and its retort UTILIZATION OF VESIDUAL HEAT IN temperature regulating device | |
| CN105805756B (en) | Environment-friendly garbage high-efficiency thermal decomposition device | |
| CN209688855U (en) | A kind of high-effect waste gas burning furnace | |
| CN209193558U (en) | Energy-saving environment protection active carbon activation furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |