CN105523699B - A kind of sludge drying carbonizing plant and technique - Google Patents
A kind of sludge drying carbonizing plant and technique Download PDFInfo
- Publication number
- CN105523699B CN105523699B CN201510884923.2A CN201510884923A CN105523699B CN 105523699 B CN105523699 B CN 105523699B CN 201510884923 A CN201510884923 A CN 201510884923A CN 105523699 B CN105523699 B CN 105523699B
- Authority
- CN
- China
- Prior art keywords
- drying equipment
- gas
- roller
- drying
- carbonizing
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Treatment Of Sludge (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention provides a kind of sludge drying carbonizing plant and technique, material is first dried in drying equipment, it is passed into hot-air stove by the gas part of drying equipment, gas and energy is set to repeat to recycle, in addition, supplementing part water also for the hot wind generated to hot-air stove, the humidity of hot wind is slightly improved, hot wind specific heat capacity is improved, the thermal efficiency is improved.Then it enters back into carbonizing apparatus and is carbonized, when carbonization by the way of indirect heating, the carbonizing gas for generating the high-temperature gas of carbonization when being carbonized with material is kept apart, carbonizing gas is passed into the high-temperature gas for burning and generating carbonization at hot wind generating device, realizes the comprehensive utilization to carbonizing gas.Meanwhile high-temperature gas cools down after being carbonized to material, the high-temperature gas to have cooled down is passed into drying equipment again, and the thermal energy of high-temperature gas is made to be fully used.Thus, by above-mentioned setting, significantly reduce the energy consumed when sludge drying carbonization.
Description
Technical field
The present invention relates to pollutant process equipment technical fields, and in particular to a kind of sludge drying carbonizing plant and technique.
Background technique
Currently mainly there are landfill, burning, land use to the processing method of disposal of sludge both at home and abroad.Sludge landfill occupies big
Soil is measured, the percolate of generation is gentle to know from experience serious polluted underground water and atmosphere.Due to containing cause of disease in sludge when land use
Bacterium, parasitic ovum, heavy metal and a variety of biodegradable organic compounds, it will be detrimental to health and animal and plant growth.Burning is
It realizes sewage sludge harmlessness, minimizing, stabilize means the most thorough, shared ratio mentions year by year in specific resistance to filtration
It is high, it has also become the major technique that developed country uses, but its technology and equipment investment is big, and operating cost is high, and high-temperature flue gas fails
It makes full use of.Some resource technologies that recent years occurs are also because processing cost is excessively high, and some technologies are still in laboratory
Conceptual phase is difficult to large-scale promotion application in actual production.
As Chinese patent literature CN1104176897A disclose it is a kind of environmental protection, energy-saving sludge high temperature cabonization system, including
It is dirty to pass through the heating pyrolysis under anaerobic or anoxia condition for drying oven, carbide furnace, heating furnace and burner and exhaust gas processing device again
Mud decomposes the organic matter in sludge, generates carbonizing gas, the exhaust in carbonizing gas and again burner is respectively used to as destructive distillation
Heat source and desiccant heat source, certain recycling is carried out to carbonizing gas, reduces energy consumption to a certain extent.So
And the gas of drying oven discharge is returned to after the equipment such as aeration tower in burner again in the apparatus, although being carried out to gas
Recycling, but the thermal energy of the gas of drying oven discharge can not be recycled, thus cannot accomplish that comprehensively utilizing thermal energy leads to energy consumption still
It is higher.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcoming the energy consumption of sludge drying carbonization technique in the prior art
High problem, to provide one kind sludge drying carbonizing plant that low energy consumption and technique.
The present invention provides a kind of sludge drying carbonizing plant, including
Drying equipment, for material to be dried, including cylindrical drying equipment roller, and be arranged in the roller
The preceding sealing frame and rear sealing frame that rear and front end and the roller are tightly connected, be provided in the preceding sealing frame feed inlet and into
Air port is provided with air outlet and discharge port in sealing frame after described；
Hot-air stove is connected to the air inlet, for being passed through hot wind into the drying equipment；
Carbonizing apparatus passes through the dry material of drying equipment for receiving, and is carbonized to material, including carbonizing apparatus
Roller, and the heating chamber being set on the carbonizing apparatus roller, the heating chamber two sides are respectively arranged with air inlet and go out
Port, carbonizing apparatus roller both ends are respectively the feed end entered for material and the discharging that leaves the material after being carbonized
End；
The air outlet is connected to the hot-air stove and chimney respectively, for drying equipment roller to be passed through in part
Gas is passed through in the hot-air stove, is partially discharged into atmosphere by the gas of drying equipment roller；
The air inlet is connected to hot wind generating device, for receiving the high-temperature gas of hot wind generating device generation；It is described
Hot wind generating device is connected to the discharge end, to receive the carbonizing gas generated when material carbonization；
The gas outlet is connected to the drying equipment, for high-temperature gas to be passed into the drying equipment.
Further, the sludge drying carbonizing plant of the utility model,
It is additionally provided with the deduster for removing dust between the air outlet and chimney and removes the deodoriser of foul smell, institute
It states deduster bottom to be connected to the carbonizing apparatus, the dust for collecting the deduster is also passed into the carbonizing apparatus
In.
Further, the sludge drying carbonizing plant of the utility model, the drying equipment roller and/or carbonizing apparatus rolling
5 ° -10 ° of angle is formed between the central axes and horizontal plane of cylinder.
Further, the sludge drying carbonizing plant of the utility model is provided with stirring dress in the drying equipment roller
It sets, the agitating device includes the agitating shaft that can be rotated being arranged in the roller and stirring on the agitating shaft is arranged in
Mix blade；The agitating shaft is relative to the roller eccentric setting；The stirring blade includes being fixed on the agitating shaft
Vertical pivot and several stirring bars being parallel to each other being arranged on the vertical pivot；It hangs down the central axes of the vertical pivot and the agitating shaft
The angle α of straight setting, the central axes of the stirring bar and the vertical pivot is 60 ° -80 °.
The present invention also provides a kind of sludge drying carbonization techniques, including
Sludge is placed in drying equipment and is passed through 280-350 DEG C of hot wind into drying equipment and is dried to form dry dirt
Mud；
Will in dry sludge merging carbonizing apparatus and be passed through 500-700 DEG C of the dry sludge of high-temperature gas indirect heating with into
Row carbonization；
The portion gas of the drying equipment discharge is discharged into air, and portion gas is for generating the hot wind；
The gas generated after dry sludge carbonization is for generating the high-temperature gas；
The high-temperature gas is passed through in the drying equipment after being carbonized to sludge.
Further, the sludge drying carbonization technique of the utility model, the gas of the drying equipment discharge are passed into dry
For generating the hot wind in dry equipment；Amount that the gas of drying equipment discharge is discharged into air and described for generating
The ratio of the amount of hot wind is (3-4): 2.
Further, the sludge drying carbonization technique of the utility model, the water content being passed through in the hot wind in drying equipment
For 6%-15%.
Further, the sludge drying carbonization technique of the utility model, the drying equipment, including cylindrical drying equipment
Roller, and the preceding sealing frame and rear sealing of drying equipment roller rear and front end and roller sealed connection are set
Frame, is provided with feed inlet and air inlet in the preceding sealing frame, is provided with air outlet and discharge port in sealing frame after described, described
Air inlet is for receiving the hot wind；
The carbonizing apparatus, including carbonizing apparatus roller, and it is arranged heating chamber on which cylinder, the heating chamber
Two sides are respectively arranged with air inlet and air outlet, and carbonizing apparatus roller both ends are respectively the feed end entered for material and make
The discharge end that material after carbonization leaves.
Further, the sludge drying carbonization technique of the utility model,
Dry agitating device is provided in the drying equipment roller, the dry agitating device includes being arranged in the rolling
The agitating shaft that can be rotated in cylinder and the stirring blade being arranged on the agitating shaft；The agitating shaft is relative to the roller
Eccentric setting；The stirring blade includes the vertical pivot being fixed on the agitating shaft and several phases being arranged on the vertical pivot
Mutually parallel stirring bar；The central axes of the vertical pivot and the agitating shaft are vertically arranged, the central axes of the stirring bar with it is described
The angle α of vertical pivot is 60 ° -80 °, and the rotation speed of the agitating shaft is 250-400r/min, the rotation of the drying equipment roller
Turn that direction is opposite with the direction of rotation of the dry agitating device and rotation speed is 2-5r/min, the carbonizing apparatus roller
Rotation speed is 1-4r/min.
Further, the sludge drying carbonization technique of the utility model is discharged into the gas of drying equipment discharge
It is dusted before in air, deodorizing process and cooling treatment, and the dust collected of by dedusting when is also fed into the carbonization and sets
It is standby interior.
Technical solution of the present invention has the advantages that
1. above-mentioned sludge drying carbonizing plant provided by the invention, drying equipment and carbonizing apparatus are arranged in series, improve
Equipment it is integrated.Material is first dried in drying equipment, most water is sloughed, by the gas part of drying equipment
It is passed into hot-air stove, gas and energy is made to repeat to recycle, in addition, also for being generated to hot-air stove
Hot wind supplements part water, slightly improves the humidity of hot wind, improves hot wind specific heat capacity, improves the thermal efficiency.Then carbonization is entered back into
It is carbonized in equipment, when carbonization by the way of indirect heating, generates the high-temperature gas of carbonization and material when being carbonized
Carbonizing gas is kept apart, and carbonizing gas is passed into the high-temperature gas for burning and generating carbonization at hot wind generating device, is realized
Comprehensive utilization to carbonizing gas.Meanwhile high-temperature gas cools down after being carbonized to material, the high temperature to have cooled down
Gas is passed into drying equipment again, and the thermal energy of high-temperature gas is made to be fully used.Thus, pass through above-mentioned setting, pole
The earth reduces the energy consumed when sludge drying carbonization.
2. sludge drying carbonizing plant provided by the invention, drying equipment roller and the setting of carbonizing apparatus drum-inclined (into
The height of material mouth side be higher than discharge port side height), when moving material in roller, can under the effect of gravity from into
Material mouth slowly moves to discharge port, keeps material operation more smooth.
3. sludge drying carbonizing plant provided by the invention, agitating shaft is relative to the roller eccentric setting, the stirring
The central axes of axis are not conllinear with the axis parallel of the roller, make agitating shaft when rotated, can raise towards roller side
Material makes material be easier grinding dispersion, improves firing efficiency.By the way that several stirring bars being parallel to each other are arranged, leaf is improved
The sphere of action of piece improves mixing effect, and material is made to be easier grinding dispersion, improves drying effect and keeps dry materials uniform.
The central axes of the stirring bar and the vertical pivot shape are at a certain angle, when rotating stirring bar, enable material have towards
The trend of discharge port direction movement guarantees that material operation is unobstructed.
4. sludge drying carbonization technique provided by the invention, material is first dried in drying equipment, sloughs the overwhelming majority
Water is used to generate hot wind by the gas part of drying equipment, and gas and energy is made to repeat to recycle, in addition, also for
Part water is supplemented to hot wind, the humidity of hot wind is slightly improved, improves hot wind specific heat capacity, improve the thermal efficiency.Then carbon is entered back into
Change and is carbonized in equipment, when carbonization by the way of indirect heating, the generation when high-temperature gas of carbonization and material being made to be carbonized
Carbonizing gas keep apart, carbonizing gas is used to the high-temperature gas of carbonization, realizes the comprehensive benefit to carbonizing gas
With.Meanwhile high-temperature gas cools down after being carbonized to material, the high-temperature gas to have cooled down is passed into drying equipment again
In 1, the thermal energy of high-temperature gas is made to be fully used.Thus, by above-mentioned process, it is dry to significantly reduce sludge
Change the energy consumed when carbonization.
5. the gas of sludge drying carbonization technique provided by the invention, the drying equipment discharge is passed into drying equipment
Interior, being discharged into the amount in air and for generating the hot wind is respectively 3-4:2, logical by the gas that the drying oven is discharged
Enter into drying oven, is discharged into the amount in air and for generating the hot gas and is reasonably distributed, realize gas most
A large amount of circulation.Gas circulation can supplement partial moisture into drying oven and drying oven and improve gas heat capacity and then improve
Drying and incinerating efficiency, but the circulation of gas will lead to again and prevent moisture accumulation and then drying and incinerating effect be made to be deteriorated, in setting
Stating allocation proportion can be such that firing efficiency and burning effect is optimal.
6. sludge drying carbonization technique provided by the invention, agitating shaft relative to the drying equipment roller eccentric setting,
The central axes of the agitating shaft are not conllinear with the axis parallel of the drying equipment roller, make agitating shaft when rotated, can be with
Material is raised towards roller side, while materials from bonding can be prevented together, material is made to be easier grinding dispersion, improves and burns
Efficiency.By forming matching relationship between drying equipment roller and the rotation angle of agitating shaft, material bonding can be substantially prevented from
On the inner wall of drying equipment roller, and drying effect can be further increased.By be arranged several be parallel to each other stir
Dynamic stick, improves the sphere of action of blade, improves mixing effect, and material is made to be easier grinding dispersion, improves drying effect and makes object
Expect uniform drying.The central axes of the stirring bar and the vertical pivot shape are at a certain angle, when rotating stirring bar, enable material
It is enough that there is the trend moved towards discharge port direction, guarantee that material operation is unobstructed.After above-mentioned drying machine, make to finally obtain dry
Dry material is that partial size is that 1-5mm refers both to particle, burning effect when can be improved in incinerator, and water content low heat value is high,
It being capable of rapid completely burned after being transported in incinerator.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of sludge drying carbonization technique in the present invention；
Fig. 2 is the main view of drying equipment in the present invention；
Fig. 3 is the top view of drying equipment in the present invention；
Fig. 4 is the structural schematic diagram of stirring blade in drying equipment in the present invention；
Fig. 5 is the top view of carbonizing apparatus in the present invention；
Fig. 6 is the main view of the agitating device of carbonizing apparatus in the present invention.
Wherein: 1- drying equipment；2- carbonizing apparatus；3- hot-air stove；4- dries agitating device；5- deduster；6-
Three blowers；7- deodoriser；8- cooling device；9- chimney；111- drying equipment roller；Sealing frame before 112-；Sealing frame after 113-；
114- motor；12- dry feed mechanism；41- agitating shaft；42- stirring blade；411- vertical pivot；412- stirring bar；17- discharging is defeated
Send mechanism；18- burner；21- hot wind generating device；22- carbonizing apparatus roller；23- heating chamber；The channel 24-；25- be carbonized into
Expect mechanism；26- outfeed belt conveyor；221- baffle；231- air inlet；The gas outlet 232-；The first blower of 31-；The second blower of 32-.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Embodiment 1
The present embodiment provides a kind of sludge drying carbonizing plants, as described in Figure 1, including
Drying equipment 1, as shown in Figures 2 and 3, for material to be dried, including cylindrical drying equipment roller 111,
And the preceding sealing frame of 111 rear and front end of drying equipment roller and the drying equipment roller 111 sealed connection is set
112 and rear sealing frame 113, it is provided with feed inlet and air inlet in the preceding sealing frame 112, is arranged in sealing frame 113 after described
There are air outlet and discharge port；
Hot-air stove 3 is connected to the air inlet, for being passed through hot wind into the drying equipment 1；
Carbonizing apparatus 2, as shown in fig. 6, for receiving the material dry by drying equipment 1, and be carbonized to material,
Including carbonizing apparatus roller 22, and the heating chamber 23 being set on the carbonizing apparatus roller 22,23 two sides of heating chamber
It is respectively arranged with air inlet 231 and gas outlet 232,22 both ends of carbonizing apparatus roller are respectively the feed end entered for material
With the discharge end for leaving the material after being carbonized；
The air outlet is connected to the hot-air stove 3 and chimney 9 respectively, for drying equipment roller to be passed through in part
111 gas is passed through in the hot-air stove 3, is partially discharged into atmosphere by the gas of drying equipment roller 111；
The air inlet 231 is connected to hot wind generating device 21, for receiving the High Temperature Gas of the generation of hot wind generating device 21
Body；The hot wind generating device 21 is connected to the discharge end, to receive the carbonizing gas generated when material carbonization；
The gas outlet 232 is connected to the drying equipment 1, for high-temperature gas to be passed into the drying equipment 1.
Above-mentioned sludge drying carbonizing plant, drying equipment 1 and carbonizing apparatus 2 are arranged in series, and improve the integrated of equipment
Change.Material is first dried in drying equipment 1, sloughs most water, is passed into heat by the gas part of drying equipment 1
In wind producer 3, gas and energy is made to repeat to recycle, in addition, supplementing also for the hot wind generated to hot-air stove 3
Part water slightly improves the humidity of hot wind, improves hot wind specific heat capacity, improves the thermal efficiency.Then enter back into carbonizing apparatus 2 into
Row carbonization, when carbonization by the way of indirect heating, the carbonizing gas that generates the high-temperature gas of carbonization and material when being carbonized
Keep apart, carbonizing gas is passed into the high-temperature gas for burning and generating carbonization at hot wind generating device 21, realizes to dry
Evaporate the comprehensive utilization of gas.Meanwhile high-temperature gas cools down after being carbonized to material, the high-temperature gas to have cooled down is again
It is passed into drying equipment 1, the thermal energy of high-temperature gas is made to be fully used.Thus, by above-mentioned setting, greatly drop
The energy consumed when low sludge drying carbonization.
Second blower 32 is used for part by the gas extraction to the hot-air stove 3 of drying equipment roller 111.
Third blower 6 is for partially passing through the gas extraction of drying equipment roller 111 and being discharged into atmosphere.
Further, the deduster 5 and removal foul smell for removing dust are additionally provided between the air outlet and chimney 9
Deodoriser 7,5 bottom of deduster is connected to the carbonizing apparatus 2, and the dust for collecting the deduster 5 also leads to
Enter into the carbonizing apparatus 2.
The deduster 5 includes cyclone dust collectors and bag filter.
When dustiness is few, one of cyclone dust collectors or bag filter can also be only arranged in deduster 5.Setting rotation
Dust removing effects can be improved in wind deduster and bag filter, guarantee that the dustiness in the gas of discharge reduces, while can be with
Recycling is facilitated to collect dust.
Further, it is formed between the drying equipment roller 111 and the central axes and horizontal plane of carbonizing apparatus roller 22
5 ° -10 ° of angle, angle can be 5 °, 8 °, 10 ° etc..
Drying equipment roller 111 and carbonizing apparatus roller 22 be obliquely installed (height of feed inlet side be higher than discharge port one
The height of side), when moving material in roller, discharge port slowly can be moved to from feed inlet under the effect of gravity, make object
Material operation is more smooth.
Further, it is provided with agitating device 4 in the drying equipment roller 111, as shown in figure 4, the agitating device 4
It is stirred on the agitating shaft 41 including the agitating shaft 41 that can be rotated being arranged in the drying equipment roller 111 and setting
Blade 42；The agitating shaft 41 is relative to 111 eccentric setting of drying equipment roller；The stirring blade 42 includes being fixed on
Vertical pivot 411 on the agitating shaft 41 and several stirring bars 412 being parallel to each other being arranged on the vertical pivot 411；It is described
Vertical pivot 411 and the central axes of the agitating shaft 41 are vertically arranged, the folder of the central axes of the stirring bar 412 and the vertical pivot 411
Angle α is 60 ° -80 °, such as 60 °, 70 °, 80 °.
Agitating shaft 41 relative to 111 eccentric setting of drying equipment roller, the central axes of the agitating shaft 41 with it is described
The axis parallel of drying equipment roller 111 is not conllinear, make agitating shaft 41 by motor 114 driving when rotated, can be towards
Roller side raises material, and material is made to be easier grinding dispersion, improves firing efficiency.By be arranged several be parallel to each other stir
Dynamic stick 412 improves the sphere of action of blade 42, improves mixing effect, and material is made to be easier grinding dispersion, improve drying effect and
Keep dry materials uniform.The central axes of the stirring bar 412 and 411 shape of vertical pivot are at a certain angle, rotate stirring bar
When, enable material that there is the trend moved towards discharge port direction, guarantees that material operation is unobstructed.
Above-mentioned drying equipment 1, preceding sealing frame 112 and rear sealing frame 113 are used for the two of hermetically drying equipment roller 111
End, makes drying equipment roller 111 when rotated, the gas in drying equipment roller 111 is unlikely to leak into external environment.Object
Contain moisture in the dry gas generated of material, hot-air stove 3 is connected to the gas vent, so that part is set in the drying
The gas that dry materials in standby roller 111 generate is passed into the hot-air stove 3, and the moisture in gas adds to hot wind
The hot wind generated in producer 3 makes the water content of the hot wind generated in hot-air stove 3 between 6%-15%, it is demonstrated experimentally that
Calorific value contained by hot wind containing part moisture content is high, can be greatly improved the thermal efficiency, the thermal efficiency be increased to 60%-70% with
The speed evaporation water of 1t/h, and the water content of material after drying can be made to be reduced to 20% hereinafter, even 10% or less (this
When the water content of hot wind that is passed through need 6% or so, and need appropriate to increase drying time), thus above-mentioned drying equipment
The thermal efficiency is high, and drying effect is good.
Further, it is additionally provided with the deodoriser for removing foul smell between the air outlet and chimney and removes dust
Deduster 5.
It is provided with deodoriser (such as activated carbon adsorption deodoriser) between the air outlet and chimney and removes removing for dust
Dirt device 5 can effectively remove the foul smell and dust being discharged into the gas of atmosphere, guarantee that the gas of discharge meets environment protection emission mark
It is quasi-.Cooling device 8 (can be water cooling plant) can reduce the temperature for the exhaust gas being discharged into atmosphere, and recycling heat generates heat
Water.Deodoriser 7 as shown in Figure 1 be activated carbon adsorption formula deduster, it is ensured that reduce in the gas of discharge have it is smelly
Gas guarantees that the exhaust gas being discharged into atmosphere meets environmental requirement.
In order to preferably receive the material of the dust and the drying transported from discharge port collected from the deduster 5, may be used also
Conveying body 17 is set, to facilitate the material by dust and the drying transported from discharge port that deduster 5 is collected to be transported to
In the feeding device of carbonizing apparatus 2.Conveying body 17 can be screw conveyor either belt type conveyer.
Further, the dry feed mechanism 12 of drying equipment 1 and the carbonization feeding mechanism 25 of carbonizing apparatus 2 are two
The screw conveyer being set side by side when operation, is mutually ground between the helical blade of two screw conveyers.
It is mutually ground between the helical blade of two screw conveyers being set side by side, material sticks can be prevented in spiral shell
On the helical blade of rotating conveyer, transfer efficiency is improved, prevents screw conveyer from damaging.And screw conveyer conveys
It when material, can be realized self-enclosed, prevent the gas in drying equipment roller and carbonizing apparatus roller from leaking at feed inlet.
Specifically, the carbonizing apparatus 2 includes carbonizing apparatus roller 22, and material is transported in carbonizing apparatus roller 22
Be carbonized feeding mechanism 25, connects the channel 24 of 22 discharge end of carbonizing apparatus roller and 23 air inlet 231 of heating chamber, the first blower 31
Gas is set to flow to 23 air inlet 231 of heating chamber from 22 discharge end of carbonizing apparatus roller for being evacuated out of channel 24.
Further, it is arranged on the inner wall of the carbonizing apparatus roller 22 of carbonizing apparatus 2 along carbonizing apparatus roller 22 is axial
There are several circle baffles 221, every circle baffle 221 has several pieces and sets along the circumferential direction of the inner wall of the carbonizing apparatus roller 22
It sets, two adjacent circle baffles 221 shift to install, not conllinear mutually.As shown in figure 5, the quantity of every circle baffle 221 is 8, baffle
221 and its angle α between the tangent line of 22 inner wall of carbonizing apparatus roller be preferably 32 °, naturally it is also possible in 25-45 °
Arbitrary value.The setting of baffle 221 can expand the transmission of heat by contact area with material, heat transfer efficiency be improved, in addition, and can also
Material is raised, material is prevented to be gathered in cylinder bottom.22 discharge end of carbonizing apparatus roller is arranged with outfeed belt conveyor 26, is used for
Material after receiving carbonization.
Embodiment 2
The present embodiment provides a kind of sludge drying carbonization techniques, using sludge drying carbonizing plant described in embodiment 1, packet
It includes
Sludge is placed in drying equipment 1 and is passed through into drying equipment 280-350 DEG C, such as 280 DEG C, 300 DEG C, 320 DEG C,
350 DEG C etc., hot wind is dried to form dry sludge；
In dry sludge merging carbonizing apparatus 2 and 500-700 DEG C, such as 500 DEG C, 600 DEG C, 700 DEG C will be passed through, high temperature
The dry sludge of gas indirect heating is to be carbonized；
The portion gas that the drying equipment 1 is discharged is discharged into air, and portion gas is for generating the hot wind；
The gas generated after dry sludge carbonization is for generating the high-temperature gas；
The high-temperature gas is passed through in the drying equipment after being carbonized to sludge.
Material is first dried in drying equipment 1, sloughs most water, is used for by the gas part of drying equipment 1
Hot wind is generated, gas and energy is made to repeat to recycle, in addition, supplementing part water also for hot wind, slightly improves hot wind
Humidity, make hot wind specific heat capacity improve, improve the thermal efficiency.Then it enters back into carbonizing apparatus 2 and is carbonized, between when carbonization uses
The mode for connecing heating, the carbonizing gas for generating the high-temperature gas of carbonization and material when being carbonized are kept apart, carbonizing gas by with
In the high-temperature gas for generating carbonization, the comprehensive utilization to carbonizing gas is realized.Meanwhile high-temperature gas is carrying out carbon to material
Cool down after change, the high-temperature gas to have cooled down is passed into again in drying equipment 1, is had the thermal energy of high-temperature gas and is filled
Divide and utilizes.Thus, by above-mentioned process, significantly reduce the energy consumed when sludge drying carbonization.
The sludge drying carbonization technique of the present embodiment, the gas of the drying equipment discharge, which is passed into drying equipment, to be used for
Generate the hot wind；Wherein, the amount that the gas of drying equipment discharge is discharged into air and the amount for generating hot wind
Ratio is (3-4): 2, such as 3:2 or 2:1.
It is passed into drying oven, is discharged into air and for generating the heat by the gas that the drying oven is discharged
The amount of gas is reasonably distributed, and gas is made to realize the maximum amount of circulation.Gas circulation can be into drying oven and drying oven
It supplements partial moisture and improves gas heat capacity and then improve drying and incinerating efficiency, but the circulation of gas will lead to again prevents water
Divide and assemble and then drying and incinerating effect is made to be deteriorated, above-mentioned allocation proportion, which is arranged, can be such that firing efficiency and burning effect reaches most
It is excellent.
The sludge drying carbonization technique of the present embodiment, the water content being passed through in the hot wind in drying equipment are 6%-15%,
Such as 6%, 8%, 10%, 12,15%.
The water content being passed through in the hot gas in drying oven is controlled in 6%-15%, the specific heat capacity in hot gas is optimal
Value, keep the specific heat capacity in hot gas big, while can also be within the processing time of 1h-2h by the moisture in the material in drying oven
It is dried to 20% or less water content.
The sludge drying carbonization technique of the present embodiment, the drying equipment 1, including cylindrical drying equipment roller 111, with
And the preceding sealing frame 112 and rear sealing frame 113 of the roller rear and front end and roller sealed connection are set, it is described preceding close
It is provided with feed inlet and air inlet on envelope frame 112, is provided with air outlet and discharge port, the air inlet in the rear sealing frame 113
Mouth is for receiving the hot wind；
The carbonizing apparatus 2, including carbonizing apparatus roller 22, and the heating being set on the carbonizing apparatus roller 22
Chamber 23,23 two sides of heating chamber are respectively arranged with air inlet 231 and gas outlet 232,22 both ends of carbonizing apparatus roller point
The feed end that Wei not enter for material and the discharge end for leaving the material after carbonization.
The sludge drying carbonization technique of the present embodiment is provided with dry agitating device 4 in the drying equipment roller 111,
The dry agitating device 4 includes that the agitating shaft 41 that can be rotated being arranged in the drying equipment roller 111 and setting exist
Stirring blade 42 on the agitating shaft 41；The agitating shaft 41 is relative to 111 eccentric setting of drying equipment roller；It is described to stir
Mixing blade 42 includes that the vertical pivot 411 being fixed on the agitating shaft 41 and several be arranged on the vertical pivot 411 are mutually flat
Capable stirring bar 412；The central axes of the vertical pivot 411 and the agitating shaft 41 are vertically arranged, the central axes of the stirring bar 412
Angle α with the vertical pivot 411 is 60 ° -80 °, such as 60 °, 70 °, 80 °, and the rotation speed of the agitating shaft 41 is 250-
400r/min, such as 250r/min, 300r/min, 350r/min, 400r/min, the drying equipment roller of the drying equipment
111 direction of rotation is opposite with the direction of rotation of the dry agitating device 4 and rotation speed is 2-5r/min, as 2r/min,
3r/min, 4r/min, 5r/min etc., the rotation speed of the carbonizing apparatus roller 22 are 1-4r/min, 1r/min, 2r/min,
3r/min, 4r/min etc..
Drying equipment roller 111 eccentric setting of the agitating shaft 41 relative to the drying equipment, in the agitating shaft 41
Axis is not conllinear with the axis parallel of the drying equipment roller 111 of the drying equipment, makes agitating shaft 41 when rotated, can be with
Material is raised towards roller side, while materials from bonding can be prevented together, material is made to be easier grinding dispersion, improves and burns
Efficiency.By forming matching relationship, Ke Yichong between the drying equipment roller 111 of drying equipment and the rotation angle of agitating shaft 41
Dividing prevents material to be bonded on the inner wall of drying equipment roller 111 of drying equipment, and can further increase drying effect.
By the way that several stirring bars 412 being parallel to each other are arranged, the sphere of action of stirring blade 42 is improved, mixing effect is improved, makes object
Material is easier grinding dispersion, improves drying effect and keeps dry materials uniform.The central axes of the stirring bar 412 and the vertical pivot
411 shapes are at a certain angle, when rotating stirring bar, material are enable to have the trend moved towards discharge port direction, guaranteed
Material operation is unobstructed.After above-mentioned drying machine, making to finally obtain dried material partial size is that 1-5mm refers both to particle, can be mentioned
Burning effect when height is in incinerator, and water content low heat value is high, it being capable of rapid completely burned after being transported in incinerator.
The sludge drying carbonization technique of the present embodiment, before being discharged into air to the gas of the drying equipment 1 discharge
It is dusted, deodorizing process and cooling treatment, and the dust that by dedusting when collects is also fed into the carbonizing apparatus 2.
It is dusted before being discharged into air to the gas of the drying oven, reduces the dust content in gas, and
Dust is passed through together in incinerator and is handled together.The gas of the drying oven discharge will also be removed before being discharged into air
Smelly processing and cooling treatment with the temperature for the gas being lowered into atmosphere, have got rid of odour, meet the exhaust gas of discharge
National environmental protection regulation.
Sludge drying carbonization technique blends drying sludge and the technical advantage of carbonization, thoroughly solve sludge bonding and
The high problem of the energy consumption that is carbonized, and secondary pollution can be eliminated, any negative effect is not brought to environment.It can be used for handling various biologies
Material and organic solid castoff.Also, the desiccation carbonization technique of the present embodiment, does not need additional combustion when stable
Material, the heat generated against material in drying and burning achieve that the drying and burning of itself, only start in technique
When, just need to consume fuel offer heat by burner 18.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of sludge drying carbonizing plant, which is characterized in that including
Drying equipment (1), for material to be dried, including cylindrical drying equipment roller (111), and be arranged described
Preceding sealing frame (112) He Houmi that drying equipment roller (111) rear and front end and the drying equipment roller (111) are tightly connected
It seals frame (113), feed inlet and air inlet is provided on the preceding sealing frame (112), is provided with out in the rear sealing frame (113)
Air port and discharge port；
Hot-air stove (3), is connected to the air inlet, for being passed through hot wind in the drying equipment (1)；
Carbonizing apparatus (2) for receiving the material dry by drying equipment (1), and is carbonized to material, including carbonization is set
Standby roller (22), and the heating chamber (23) being set on the carbonizing apparatus roller (22), heating chamber (23) two sides point
Be not provided with air inlet (231) and gas outlet (232), carbonizing apparatus roller (22) both ends be respectively for material enter into
Material end and the discharge end for leaving the material after carbonization；
The air outlet is connected to the hot-air stove (3) and chimney (9) respectively, for drying equipment roller to be passed through in part
(111) gas is passed through in the hot-air stove (3), is partially discharged into atmosphere by the gas of drying equipment roller (111)
In；
The air inlet (231) is connected to hot wind generating device (21), for receiving the high temperature of hot wind generating device (21) generation
Gas；The hot wind generating device (21) is connected to the discharge end, to receive the carbonizing gas generated when material carbonization；
The gas outlet (232) is connected to the drying equipment (1), for high-temperature gas to be passed into the drying equipment (1)
In.
2. sludge drying carbonizing plant according to claim 1, which is characterized in that
It is additionally provided with the deduster (5) for removing dust between the air outlet and chimney and removes the deodoriser (7) of foul smell,
Deduster (5) bottom is connected to the carbonizing apparatus (2), for the dust that the deduster (5) are collected to be also passed into
In the carbonizing apparatus (2).
3. sludge drying carbonizing plant according to claim 1, which is characterized in that the drying equipment roller (111) and/
Or 5 ° -10 ° of angle is formed between the central axes and horizontal plane of carbonizing apparatus roller (22).
4. sludge drying carbonizing plant according to claim 1-3, which is characterized in that the drying equipment roller
(111) it is provided with agitating device (4) in, the agitating device (4) includes the energy being arranged in the drying equipment roller (111)
The agitating shaft (41) enough rotated and the stirring blade (42) being arranged on the agitating shaft (41)；
The agitating shaft (41) is relative to drying equipment roller (111) eccentric setting；The stirring blade (42) includes solid
The vertical pivot (411) being scheduled on the agitating shaft (41) and several agitations being parallel to each other being arranged on the vertical pivot (411)
Stick (412)；The vertical pivot (411) and the central axes of the agitating shaft (41) are vertically arranged, the central axes of the stirring bar (412)
Angle α with the vertical pivot (411) is 60 ° -80 °.
5. a kind of sludge drying carbonization technique, which is characterized in that including
280-350 DEG C of hot wind will be passed through in sludge merging drying equipment (1) and into drying equipment to be dried to form dry dirt
Mud；
Will in dry sludge merging carbonizing apparatus (2) and be passed through 500-700 DEG C of the dry sludge of high-temperature gas indirect heating with into
Row carbonization；
The portion gas of drying equipment (1) discharge is discharged into air, and portion gas is for generating the hot wind；
The gas generated after dry sludge carbonization is for generating the high-temperature gas；
The high-temperature gas is passed through in the drying equipment after being carbonized to sludge.
6. sludge drying carbonization technique according to claim 5, which is characterized in that the gas of the drying equipment discharge is logical
Enter into drying equipment for generating the hot wind；The gas of drying equipment discharge is discharged into amount in air and for producing
The ratio of the amount of the raw hot wind is (3-4): 2.
7. sludge drying carbonization technique according to claim 5 or 6, which is characterized in that the hot wind being passed through in drying equipment
In water content be 6%-15%.
8. sludge drying carbonization technique according to claim 5 or 6, which is characterized in that the drying equipment (1) includes circle
Cylindricality drying equipment roller (111), and setting are rolled in drying equipment roller (111) rear and front end and the drying equipment
The preceding sealing frame (112) and rear sealing frame (113) that cylinder (111) is tightly connected are provided with feed inlet on the preceding sealing frame (112)
And air inlet, air outlet and discharge port are provided with after described in sealing frame (113), the air inlet is for receiving the hot wind；
The carbonizing apparatus (2) includes carbonizing apparatus roller (22), and is set in adding on the carbonizing apparatus roller (22)
Hot chamber (23), heating chamber (23) two sides are respectively arranged with air inlet (231) and gas outlet (232), the carbonizing apparatus rolling
Cylinder (22) both ends are respectively the feed end entered for material and the discharge end that leaves the material after being carbonized.
9. sludge drying carbonization technique according to claim 8, which is characterized in that
It is provided with dry agitating device (4) in the drying equipment roller (111), the dry agitating device (4) includes setting
The agitating shaft (41) that can be rotated in the drying equipment roller (111) and the stirring being arranged on the agitating shaft (41)
Blade (42)；The agitating shaft (41) is relative to drying equipment roller (111) eccentric setting；Stirring blade (42) packet
It includes the vertical pivot (411) being fixed on the agitating shaft (41) and is arranged what several on the vertical pivot (411) were parallel to each other
Stirring bar (412)；The vertical pivot (411) and the central axes of the agitating shaft (41) are vertically arranged, in the stirring bar (412)
Axis and the angle α of the vertical pivot (411) are 60 ° -80 °, and the rotation speed of the agitating shaft (41) is 250-400r/min, institute
The direction of rotation for stating drying equipment roller (111) is opposite with the direction of rotation of the dry agitating device (4) and rotation speed is
2-5r/min, the rotation speed of the carbonizing apparatus roller (22) are 1-4r/min.
10. sludge drying carbonization technique according to claim 9, which is characterized in that the drying equipment (1) discharge
Gas is dusted before being discharged into air, deodorizing process and cooling treatment, and the dust that by dedusting when collects is also fed into
In the carbonizing apparatus (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510884923.2A CN105523699B (en) | 2015-12-04 | 2015-12-04 | A kind of sludge drying carbonizing plant and technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510884923.2A CN105523699B (en) | 2015-12-04 | 2015-12-04 | A kind of sludge drying carbonizing plant and technique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105523699A CN105523699A (en) | 2016-04-27 |
| CN105523699B true CN105523699B (en) | 2019-03-29 |
Family
ID=55766281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510884923.2A Active CN105523699B (en) | 2015-12-04 | 2015-12-04 | A kind of sludge drying carbonizing plant and technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105523699B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106007289B (en) * | 2016-07-15 | 2019-04-05 | 汤伟平 | Recycling sludge utilizes technique and system |
| CN107651684A (en) * | 2016-07-26 | 2018-02-02 | 广州城辉环保科技有限公司 | A kind of method that carbonization manufacture activated carbon is pyrolyzed with municipal sludge |
| CN108455815B (en) * | 2018-01-17 | 2021-01-22 | 浙江海云能源科技有限公司 | Sludge resource treatment method |
| CN108424045B (en) * | 2018-02-05 | 2020-11-06 | 上海良延环保科技发展有限公司 | Regeneration environment-friendly water purification brick |
| CN108384559A (en) * | 2018-02-05 | 2018-08-10 | 上海良延环保科技发展有限公司 | A kind of method of disposal in parallel of decoration garbage and sludge |
| CN108251138A (en) * | 2018-02-05 | 2018-07-06 | 上海良延环保科技发展有限公司 | A kind of decoration garbage carbonization disposal system in parallel with sludge |
| CN110330203B (en) * | 2018-03-28 | 2022-03-18 | 北京清怡环保科技有限公司 | Preparation method and equipment of environment-friendly rubber reinforcing agent |
| CN112851076B (en) * | 2020-12-24 | 2022-11-04 | 山东瀚章建设集团有限公司 | Municipal sludge purification treatment device |
| CN117247210B (en) * | 2023-11-17 | 2024-04-02 | 威海华友节能科技有限公司 | Sludge pyrolysis device and method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4896565B2 (en) * | 2006-03-31 | 2012-03-14 | 株式会社東芝 | Dry carbonization system |
| KR20090080811A (en) * | 2008-01-22 | 2009-07-27 | 장진수 | Apparatus for condensing carbonized gas for sludge treatment machines |
| CN101870548A (en) * | 2009-04-27 | 2010-10-27 | 上海环保工程成套有限公司 | Sludge stirring and granulating rotary drying device |
| CN203295333U (en) * | 2013-03-28 | 2013-11-20 | 上海中发环保(集团)有限公司 | External heated sludge carbonizing kiln |
| CN103145307B (en) * | 2013-04-02 | 2014-02-26 | 中节能博实（湖北）环境工程技术有限公司 | High temperature carbonization system of sludge and carbonization process |
| CN203653397U (en) * | 2013-12-26 | 2014-06-18 | 山东理工职业学院 | Double-fluidized bed device for sludge recycling |
-
2015
- 2015-12-04 CN CN201510884923.2A patent/CN105523699B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105523699A (en) | 2016-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105523699B (en) | A kind of sludge drying carbonizing plant and technique | |
| CN208717138U (en) | A kind of two-layer cylinder sludge carbonization device | |
| CN204079889U (en) | A kind of pyrolysis plant of organic solid waste process | |
| CN104986934B (en) | A kind of continous way sludge thermolysis process and device | |
| CN104877690B (en) | A kind of organic waste matter pyrolysis charring processing method and processing device | |
| CN102889599B (en) | Wet sewage sludge combustion furnace | |
| CN103256608B (en) | sludge incineration method | |
| CN110759626A (en) | Sludge conditioning dehydration coupling carbonization reduction treatment method and system | |
| CN101813316A (en) | Municipal sludge drying and incineration system and treatment process thereof | |
| CN210176701U (en) | System for municipal sludge deep reduction treatment | |
| CN108911473B (en) | Direct heating type sludge drying and carbonizing mechanism | |
| CN105371283A (en) | Sludge drying and incinerating process | |
| CN110759627A (en) | Sludge indirect heat exchange evaporation dehydration coupling pyrolysis carbonization method and system | |
| CN106949475B (en) | A kind of sludge incinerating system and its incinerating method | |
| CN110240913A (en) | A kind of crop straw carbonizing furnace and its carbonizing method | |
| KR200380974Y1 (en) | Energy saving type sludge carbonization equipment using regenerative heat exchanger | |
| CN205443020U (en) | Mud pyrolysis carbonization treatment's process units | |
| CN204421572U (en) | A kind of rotary drying machine | |
| CN102964041A (en) | Sludge burning treatment device and burning treatment method using device | |
| CN107298517A (en) | A kind of energy-efficient recycling sludge utilizes technique and system | |
| CN207738615U (en) | A kind of sludge drying charing integrated apparatus | |
| CN109956625A (en) | Municipal sludge high temperature carbonization prepares the process of charcoal | |
| KR100933437B1 (en) | High water content of smokeless device | |
| CN204769831U (en) | Birds that dies of illness poultry innocent treatment integrated system | |
| CN107755407A (en) | The harmless resource utilization device and its processing method of organic dangerous waste |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A sludge drying and carbonization device and process Effective date of registration: 20200921 Granted publication date: 20190329 Pledgee: Jiangsu Yixing rural commercial bank Limited by Share Ltd. Branch Park Branch Pledgor: Jiangsu Binuo Environmental Technology Co.,Ltd. Registration number: Y2020990001142 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221009 Granted publication date: 20190329 Pledgee: Jiangsu Yixing rural commercial bank Limited by Share Ltd. Branch Park Branch Pledgor: Jiangsu Binuo Environmental Technology Co.,Ltd. Registration number: Y2020990001142 |