CN109851200A - Sludge back-mixing processing system and method - Google Patents
Sludge back-mixing processing system and method Download PDFInfo
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- CN109851200A CN109851200A CN201910119730.6A CN201910119730A CN109851200A CN 109851200 A CN109851200 A CN 109851200A CN 201910119730 A CN201910119730 A CN 201910119730A CN 109851200 A CN109851200 A CN 109851200A
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- 239000010802 sludge Substances 0.000 title claims abstract description 69
- 238000002156 mixing Methods 0.000 title claims abstract description 50
- 238000012545 processing Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 65
- 238000003763 carbonization Methods 0.000 claims abstract description 58
- 238000001035 drying Methods 0.000 claims abstract description 36
- 239000007789 gas Substances 0.000 claims description 63
- 239000000203 mixture Substances 0.000 claims description 58
- 238000002485 combustion reaction Methods 0.000 claims description 42
- 239000003517 fume Substances 0.000 claims description 34
- 238000000197 pyrolysis Methods 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 10
- 230000008676 import Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 4
- 238000003672 processing method Methods 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 claims 1
- 239000000047 product Substances 0.000 description 10
- 239000003610 charcoal Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004064 recycling Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 241000209149 Zea Species 0.000 description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 2
- 235000005822 corn Nutrition 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000010907 stover Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 229920000715 Mucilage Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 210000004681 ovum Anatomy 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of sludge back-mixing processing system and methods, and the system comprises the back-mixing unit, drying unit and the carbonation units that set gradually；Back-mixing unit includes mixing arrangement；The inside of mixing arrangement is equipped with agitating device；Drying unit include drying machine, be fixed on drying machine one end the first feeding device and be fixed on first discharging device of the one end of drying machine far from the first feeding device；Drying machine includes the first inner cylinder and the first outer cylinder；First feeding device and the first discharging device are connected to the first inner cylinder；Carbonation unit include carbonization machine, be fixed on carbonization machine one end the second feeding device and be fixed on second discharging device of the one end of carbonization machine far from the second feeding device；Carbonization machine includes the second inner cylinder and the second outer cylinder；Second feeding device and the second discharging device are connected to the second inner cylinder.
Description
Technical field
The present invention relates to technical field of sludge treatment more particularly to a kind of sludge back-mixing processing systems and method.
Background technique
With the rapid development of our country's economy with the quickening of urbanization process, sewage load is increasing.As sewage
The sludge of end products is handled, yield is also increasing year by year.Accompanying problem is that the pressure of sludge treatment is also continuous
Increase.The main character of sludge has: (1) content of organics is higher, and easily hair is rotten smelly；(2) hazardous contaminant contains in sludge
It measures higher；(3) moisture content is high, is in mucilage binding structure, is not easy to be dehydrated；(4) contain more nutrient for plants；(5) containing pathogen and
Parasitic ovum etc..If the disposition that sludge cannot be rationally appropriate, easily initiation secondary pollution.
Now, the purpose of disposition of sludge includes: minimizing, innoxious, stabilisation and recycling etc..The method master of disposition
Have: landfill, burning, anaerobic digestion, biological compost, sludge digestion, dry carbonization etc..Wherein, using the dry technical office that is carbonized
The technical advantage of reason sludge includes: (1) thermal efficiency height, and hot wind can directly and indirectly contact sludge, realize dual desiccation.It produces
Raw hot fume can reuse；(2) exhaust emissions is clean, and the carbonization gas that sludge carbonization generates is back to heating unit, real
Existing recycling and innoxious；(3) minimizing is with the obvious advantage, and the volume of sludge will be greatly reduced after carbonization disposition；(4) society
It can comprehensive benefit height.
But sludge is when through being dried, it may appear that adhesivity higher stage, the moisture percentage in sewage sludge in this stage are
55%~65%.At this point, sludge is easily attached on the inner wall of dry equipment, and then is agglomerated, so that the surface of sludge is more
It is hard, and the inside is still sposh.The sludge that moisture content is 55%~65% can cause " seizing " phenomenon because of its adhesivity
Occur.On the one hand, this will affect the lasting propulsion of drying sludge；On the other hand, the blocking of equipment is easily caused, and then destroys and sets
Standby internal structure.Moreover, for the sludge for being bonded in equipment dead angle, after the burning point that sludge is reached after desiccation, it is also possible to draw
Play the danger of explosion.
Currently, the treatment effeciency of sludge is lower, it is not able to satisfy actual production demand.
Summary of the invention
Treatment effeciency to solve the problem of sludge is lower not to be able to satisfy actual production demand, and the present invention provides one kind
Sludge back-mixing processing system and method.
A kind of sludge back-mixing processing system that purpose provides to realize the present invention, including the back-mixing unit, dry set gradually
Dry unit and carbonation unit；
The back-mixing unit includes the mixing arrangement of hollow structure；The inside of the mixing arrangement is equipped with agitating device；Institute
The top for stating mixing arrangement is equipped with sludge inlet and siccative entrance, and bottom is equipped with the first mixture outlet；
The drying unit include drying machine, be fixed on the drying machine one end the first feeding device and be fixed on
First discharging device of the one end of the drying machine far from first feeding device；
The top of first feeding device is equipped with the first mixture inlet；By first mixture inlet and described
First mixture outlet is connected to the mixing arrangement and first feeding device；
The bottom of first discharging device is equipped with the second mixture outlet；
The drying machine includes the first inner cylinder and the first outer cylinder；First inner cylinder is arranged in the interior of first outer cylinder
Portion, and first inner cylinder and first outer cylinder are flexibly connected；Along the axial direction of first inner cylinder, first inner cylinder it is interior
Portion is equipped with the first push rod；First feeding device and first discharging device are connected to first inner cylinder；
The carbonation unit include carbonization machine, be fixed on the carbonization machine one end the second feeding device and be fixed on
Second discharging device of the one end of the carbonization machine far from second feeding device；
The top of second feeding device is equipped with the second mixture inlet；By second mixture inlet and described
Second mixture outlet is connected to first discharging device and second feeding device；
The bottom of second discharging device is equipped with third mixture outlet；
The carbonization machine includes the second inner cylinder and the second outer cylinder；Second inner cylinder is arranged in the interior of second outer cylinder
Portion, and second inner cylinder and second outer cylinder are flexibly connected；Along the axial direction of second inner cylinder, second inner cylinder it is interior
Portion is equipped with the second push rod；Second feeding device and second discharging device are connected to second inner cylinder；
The inlet valve of hub-and-spoke configuration is fixed at the top of second mixture inlet；The bottom of the third mixture outlet
Portion is equipped with the outlet valve of hub-and-spoke configuration.
In a wherein specific embodiment, the inner wall of the outer wall of first inner cylinder and first outer cylinder, which rotates, to be connected
It connects；First inner cylinder can be around the axial rotation of first outer cylinder；
The inner wall of the outer wall of second inner cylinder and second outer cylinder is rotatablely connected；Second inner cylinder can surround institute
State the axial rotation of the second outer cylinder.
In a wherein specific embodiment, the system also includes heating units；The heating unit includes the first combustion
Burn room, adjusted with the first of first combustion chamber air compartment, the second combustion chamber and with second combustion chamber the
Two adjust air compartment；Valve is equipped between first combustion chamber and second combustion chamber；It can be connected to by controlling the valve
First combustion chamber and second combustion chamber；
Described first adjusts air compartment to export equipped with the first hot fume；First outer cylinder close to first discharging device one
The top of side is equipped with the first hot fume import；By described in first hot fume outlet and the first hot fume inlet communication
First adjusts air compartment and first outer cylinder；
Described second adjusts air compartment to export equipped with the second hot fume；Second outer cylinder close to second discharging device one
The top of side is equipped with the second hot fume import；By described in second hot fume outlet and the second hot fume inlet communication
Second adjusts air compartment and second outer cylinder；
First combustion chamber is additionally provided with the first thermal source inlet；Second combustion chamber is additionally provided with Secondary Heat Source entrance；
The first tune air compartment is additionally provided with the first Secondary Air entrance；The second tune air compartment is additionally provided with second secondary wind and enters
Mouthful.
In a wherein specific embodiment, the system also includes carbonization gas processing units；
The carbonization gas processing unit includes destructive distillation treatment apparatus；The destructive distillation treatment apparatus is equipped with the first carbonization gas and enters
Mouthful；The top of second discharging device is exported equipped with the first carbonization gas；Pass through first dry distillation gas entrance and described first
Destructive distillation treatment apparatus described in carbonization gas outlet and second discharging device.
In a wherein specific embodiment, the destructive distillation treatment apparatus is additionally provided with the outlet of the second carbonization gas；Described second
Combustion chamber is equipped with the second dry distillation gas entrance；It is exported by second carbonization gas and is connected to described do with second dry distillation gas entrance
Evaporate treatment apparatus and second combustion chamber.
In a wherein specific embodiment, second outer cylinder is set at the top of the side far from second discharging device
There is the outlet of the first reuse wind；First outer cylinder is equipped with the first reuse wind close to the bottom of the side of first discharging device and enters
Mouthful；It is exported by the first reuse wind and is connected to first outer cylinder and second outer cylinder with the first reuse wind entrance；
The top of side of first outer cylinder far from first discharging device is exported equipped with the second reuse wind；Described
One feeding device is equipped with the second reuse wind entrance far from the side of first outer cylinder；Pass through the second reuse wind outlet and institute
It states the second reuse wind entrance and is connected to first outer cylinder and first feeding device.
In a wherein specific embodiment, the system also includes tail gas treating units；
The tail gas treating unit includes exhaust gas treating device；One end of the exhaust gas treating device is equipped with gas inlet, another
End is equipped with offgas outlet；The top of first discharging device is exported equipped with third reuse wind；Gone out by the third reuse wind
Mouth is connected to first discharging device and the exhaust gas treating device with the gas inlet.
Correspondingly, based on the same inventive concept, the present invention also provides a kind of sludge back-mixing processing method, the method packets
It includes and is pre-mixed sludge and siccative；
Product after the premixing is dried；
Carbonization treatment is carried out to product after the drying process.
It is described to be pre-mixed sludge and siccative in a wherein specific embodiment, comprising:
The sludge and the siccative are subjected to the premixing according to mass values for 1~1.5.
Beneficial effects of the present invention: the system of the invention is filled by the way that the back-mixing unit is arranged using the mixing
The moisture content for capableing of conditioning of mud with the agitating device is set, and then effectively prevents the generation that sludge " seizes " phenomenon, thus
Improve the treatment effeciency of sludge.In addition, by the way that different siccatives is added in the mixing arrangement, so that sludge finally can
Confined goods are formed, to realize the recycling of sludge treatment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of sludge back-mixing processing system of the present invention unifies specific embodiment；
Fig. 2 is the structural schematic diagram of back-mixing unit in a specific embodiment of the invention；
Fig. 3 is the structural schematic diagram of drying unit in a specific embodiment of the invention；
Fig. 4 is the structural schematic diagram of carbonation unit in a specific embodiment of the invention；
Fig. 5 is a kind of structural schematic diagram of sludge back-mixing processing system another specific embodiment of the present invention；
Fig. 6 is a kind of flow chart of one specific embodiment of sludge back-mixing processing method of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In description of the invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
"upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " clockwise ", " inverse
The orientation or positional relationship of the instructions such as hour hands ", " axial direction ", " radial direction ", " circumferential direction " is that orientation based on the figure or position are closed
System is merely for convenience of the description present invention or simplifies description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
Referring to figs. 1 to Fig. 4, as an a kind of specific embodiment of sludge back-mixing processing system of the present invention, the system packet
Include the back-mixing unit 110, drying unit 120 and carbonation unit 130 set gradually.Back-mixing unit 110 includes the mixed of hollow structure
It attaches together and sets 111, the inside of mixing arrangement 111 is equipped with agitating device 112.The top of mixing arrangement 111 is equipped with sludge inlet 1111
With siccative entrance 1112, bottom is equipped with the first mixture outlet 1113.Drying unit 120 includes drying machine 121, is fixed on drying
First feeding device 122 of one end of machine 121 and it is fixed on the of the one end of drying machine 121 far from the first feeding device 122
One discharging device 123.The top of first feeding device 122 is equipped with the first mixture inlet 1221, passes through the first mixture inlet
1221 are connected to mixing arrangement 111 and the first feeding device 122 with the first mixture outlet 1113.The bottom of first discharging device 123
Portion is equipped with the second mixture outlet 1232.Drying machine 121 includes the first inner cylinder 1212 and the first outer cylinder 1211, the first inner cylinder 1212
It is arranged in the inside of the first outer cylinder 1211, and the first inner cylinder 1212 and the first outer cylinder 1211 are flexibly connected.Along the first inner cylinder 1212
Axial direction, the inside of the first inner cylinder 1212 is equipped with the first push rod 1213.First feeding device 122 and the first discharging device
123 are connected to the first inner cylinder 1212.Carbonation unit 130 include carbonization machine 131, be fixed on carbonization machine 131 one end second
Feeding device 132 and the second discharging device 133 for being fixed on the one end of carbonization machine 131 far from the second feeding device 132.Second
The top of feeding device 132 is equipped with the second mixture inlet 1321, is gone out by the second mixture inlet 1321 and the second mixture
Mouth 1232 is connected to the first discharging devices 123 and the second feeding device 132.The bottom of second discharging device 133 is mixed equipped with third
Object outlet 1332.Carbonization machine 131 includes the second inner cylinder 1312 and the second outer cylinder 1311, and the second inner cylinder 1312 is arranged in the second outer cylinder
1311 inside, and the second inner cylinder 1312 and the second outer cylinder 1311 are flexibly connected.Along the axial direction of the second inner cylinder 1312, the second inner cylinder
1312 inside is equipped with the second push rod 1313.Second feeding device 132 and the second discharging device 133 with the second inner cylinder
1312 connections.The top of second mixture inlet 1321 is fixed with the inlet valve of hub-and-spoke configuration, third mixture outlet 1332
Bottom is equipped with the outlet valve of hub-and-spoke configuration.
In this embodiment, the sludge that moisture content is 55%~65% can enter mixing arrangement by sludge inlet 1111
111, the siccative that moisture content is 10%~35% can enter mixing arrangement 111 by siccative entrance 1112.Mixing arrangement 111
Inside is equipped with agitating device 112, the sludge and moisture content for being 55%~65% by stirring moisture content be 10%~35% it is dry
Material is uniformly mixed them, forms the mixture that moisture content is 35%~37%.When mixture passes through drying unit 120, mix
The generation of " seizing " phenomenon can effectively be avoided by closing object, to improve the treatment effeciency of sludge.Wherein, siccative can be for through dry
Dry unit 120 treated sludge, or the charcoal formed after carbonation unit is handled can also be broken plant straw
Stalk etc..According to the demand of final products, specific siccative is selected, so that sludge is capable of forming confined goods, to realize sludge
The recycling of disposition.Drying unit 120 includes drying machine 121, the first feeding device 122 and the first discharging device 123.It is dry
Machine 121 includes the first inner cylinder 1212 and the first outer cylinder 1211, and the first feeding device 122 and the first discharging device 123 are with first
Inner cylinder 1212 is connected to.The mixture that moisture content is 35%~37% enters drying machine 121, drying machine through the first feeding device 122
121 pairs its handle, formed moisture content be 15%~25% mixture, by the first discharging device 123 export.Wherein,
Along the axial direction of the first inner cylinder 1212, the inside of the first inner cylinder 1212 is equipped with the first push rod 1213.Mixture is in the first inner cylinder
It is moved by the promotion of the first push rod 1,213 1212 inside.The mixture that moisture content is 35%~37% passes through first
Mixture outlet 1113 and the first mixture inlet 1221 flow through mixing arrangement 111 and enter the first feeding device 122.Carbonization is single
Member 130 includes carbonization machine 131, the second feeding device 132 and the second discharging device 133.Carbonization machine 131 includes the second inner cylinder
1312 and second outer cylinder 1311, the second feeding device 132 and the second discharging device 133 are connected to the second inner cylinder 1312.It is aqueous
The mixture flow that rate is 15%~25% enters carbonization machine 131 through the first discharging device 123 and the second feeding device 132.Wherein,
The bottom of first discharging device 123 is equipped with the second mixture outlet 1232, and the top of the second feeding device 132 is equipped with the second mixing
Object entrance 1321.The mixture that moisture content is 15%~25% passes through the second mixture outlet 1232 and the second mixture inlet
1321 are input to the second feeding device 132 from the first discharging device 123.The bottom of second discharging device 133 is mixed equipped with third
Object outlet 1332.Mixture generates charcoal after the processing of carbonization machine 131, charcoal by third mixture outlet 1332 from
The inside of second discharging device 133 exports.Along the axial direction of the second inner cylinder 1312, the inside of the second inner cylinder 1312 is equipped with second and pushes away
Send bar 1313.Mixture is moved in the inside of the second inner cylinder 1312 by the promotion of the second push rod 1313.Second mixing
The top of object entrance 1321 is fixed with the inlet valve of hub-and-spoke configuration, by controlling the speed of inlet valve, can control charging
Rate.The bottom of third mixture outlet 1332 also is provided with the outlet valve of hub-and-spoke configuration, by controlling the speed of outlet valve,
Discharge velocity can be controlled.
Referring to Fig. 3 and Fig. 4, the inner wall of the outer wall of the first inner cylinder 1212 and the first outer cylinder 1211 is rotatablely connected, the first inner cylinder
1212 can be around the axial rotation of the first outer cylinder 1211.The rotation of the inner wall of the outer wall of second inner cylinder 1312 and the second outer cylinder 1311
Connection, the second inner cylinder 1312 can be around the axial rotations of the second outer cylinder 1311.In this way, the first outer cylinder 1211 remains stationary, the
One inner cylinder 1212 is rotated, so that mixture is overturn in the inside of drying machine 121.Second outer cylinder 1311 remains stationary,
Second inner cylinder 1312 is rotated, so that mixture is overturn in the inside of carbonization machine 131.
Referring to Fig.1, the system also includes heating unit 140, heating unit 140 includes the first combustion chamber 141 and first
The first tune air compartment 142, the second combustion chamber 143 and the second tune air compartment being connected to the second combustion chamber 143 that combustion chamber 141 is connected to
144.It is equipped with valve between first combustion chamber 141 and the second combustion chamber 143, the first combustion chamber can be connected to by control valve
141 and second combustion chamber 143.When thermal energy is larger in the second combustion chamber 143, thermal energy can be supplemented for the first combustion chamber 141.
Wherein, first air compartment 142 is adjusted to export equipped with the first hot fume, the first outer cylinder 1211 is close to the first discharging device 122
Side top be equipped with the first hot fume import 12111, pass through the first hot fume outlet and the first hot fume import 12111 connect
Logical first adjusts air compartment 142 and the first outer cylinder 1211.In this way, 300~500 DEG C of hot fume adjusts air compartment 142 to support to dry through first
Between the first outer cylinder 1211 and the first inner cylinder 1212 of machine 121, the mixture of the inside of the first inner cylinder 1212 add indirectly
Heat.
Wherein, second air compartment 144 is adjusted to export equipped with the second hot fume, the second outer cylinder 1311 is close to the second discharging device 132
Side top be equipped with the second hot fume import 13111, pass through the second hot fume outlet and the second hot fume import 13111 connect
Logical second adjusts air compartment 144 and the second outer cylinder 1311.In this way, 750~800 DEG C of hot fume adjusts air compartment 142 to support to carbonization through second
Between the second inner cylinder 1312 and the second outer cylinder 1311 of machine 131, the mixture of the inside of the second inner cylinder 1312 add indirectly
Heat.
First combustion chamber 141 is additionally provided with the first thermal source inlet, is that heat is added in the first combustion chamber 141 by the first thermal source inlet
Source.Second combustion chamber 143 is additionally provided with Secondary Heat Source entrance.It is that heat source is added in the second combustion chamber 143 by Secondary Heat Source entrance.Heat
Source includes: biomass, carbonization gas, kerosene etc..First tune air compartment 142 is additionally provided with the first Secondary Air entrance, passes through the first Secondary Air
Entrance connects blower, and then can blast wind regime for the first tune air compartment 142.Second tune air compartment 144 is additionally provided with second secondary wind and enters
Mouthful, blower is connected by second secondary wind entrance, and then wind regime can be blasted for the second tune air compartment 144.
Referring to Fig.1 and Fig. 4, the system also includes carbonization gas processing unit 150, carbonization gas processing unit 150 includes dry
Evaporate treatment apparatus.Destructive distillation treatment apparatus is equipped with the first dry distillation gas entrance, and the top of the second discharging device 133 is equipped with the first carbonization gas
Outlet 1331 is connected to destructive distillation treatment apparatus and the second discharging device with the first carbonization gas outlet 1331 by the first dry distillation gas entrance
133.Mixture is handled through carbonization machine 131, also will form carbonization gas.Carbonization gas enters at carbonization gas through the second discharging device 133
Manage device.Destructive distillation treatment apparatus can be dusted to carbonization gas, cool down and remove the sour gas being mixed into carbonization gas.Destructive distillation
Treatment apparatus is additionally provided with the outlet of the second carbonization gas, and the second combustion chamber 143 is equipped with the second dry distillation gas entrance, is gone out by the second carbonization gas
Mouth is connected to destructive distillation treatment apparatus and the second combustion chamber 143 with the second dry distillation gas entrance.In this way, through destructive distillation treatment apparatus, treated
Carbonization gas can enter the second combustion chamber 143 as the heat source of the second combustion chamber 143, effectively increase the utilization rate of resource.
Referring to Fig.1, the top of Fig. 3 and Fig. 4, side of second outer cylinder 1311 far from the second discharging device 133 are equipped with first
Reuse wind outlet 13111, the first outer cylinder 1211 are equipped with the first reuse wind entrance close to the bottom of the side of the first discharging device 123
12113, the first outer cylinder 1211 and the second outer cylinder are connected to the first reuse wind entrance 12113 by the first reuse wind outlet 13111
1311.In this way, 750~800 DEG C of hot fume is supported between the second inner cylinder 1312 and the second outer cylinder 1311 of carbonization machine 131, it is right
After the mixture of the inside of second inner cylinder 1312 carries out indirect heating, at 300~350 DEG C, then the temperature of hot fume is controlled
It is supported by the outlet 13111 of the first reuse wind and the first reuse wind entrance 12113 to the first outer cylinder 1211 and first of drying machine 121
Between inner cylinder 1212, indirect heating is carried out to the mixture in the first inner cylinder 1212 as supplement thermal energy, realizes the coupling of energy
It closes and integrated, improves the utilization rate of thermal energy, effectively save cost.In addition, the first outer cylinder 1211 is far from the first discharging device 123
Side top be equipped with the second reuse wind outlet 12111, the first feeding device 122 is equipped with far from the side of the first outer cylinder 1211
Second reuse wind entrance 1222 is connected to the first outer cylinder with the second reuse wind entrance 1222 by the second reuse wind outlet 12111
1211 and first feeding device 122.In this way, the hot fume between the first outer cylinder 1211 and the first inner cylinder 1212 passes through the first charging
Device 122 is able to enter the inside of the first inner cylinder 1212, can directly contact to the mixture in the first inner cylinder 1212, Jin Ershi
It now directly heats, substantially increases drying efficiency.
Referring to Fig. 3 and Fig. 5, the system also includes tail gas treating unit 160, tail gas treating unit 160 includes at tail gas
Manage device.One end of exhaust gas treating device is equipped with gas inlet, and the other end is equipped with offgas outlet.The top of first discharging device 123 is set
There is third reuse wind to export 1231, the first discharging device 123 and tail are connected to gas inlet by third reuse wind outlet 1231
Treatment apparatus.Hot fume flows through the first inner cylinder 1212 and enters the first discharging device 123, by the control of the temperature of hot fume 120~
After 150 DEG C, enter exhaust gas treating device through third reuse wind outlet 1231 and gas inlet as tail gas.Exhaust gas treating device is to tail gas
Cooled down, dedusting and except chemical impurity etc. processing heel row go out.
In some other embodiment, hot fume flows through the first inner cylinder 1212 and enters the first discharging device 123, by hot fume
Temperature control after 120~150 DEG C, enter first through third reuse wind outlet 1231 as reuse wind and adjust air compartments 142, the
One tune air compartment 142 is utilized.
Referring to Fig. 6, as a kind of one specific embodiment of sludge back-mixing processing method of the present invention, the method includes by sludge
Premixing S1000 is carried out with siccative, S2000 is dried to the product after the premixing, to the drying process
Product carries out carbonization treatment S3000 later.
Specifically, by sludge and siccative, to carry out premixing S1000 be by moisture content is 55%~65% sludge and aqueous
The siccative that rate is 10%~35% carries out turning over throwing, stirring and ventilation keeping, is sufficiently mixed them uniformly.To the premixing
It is that place persistently is dried to the product after the premixing under the conditions of 200 DEG C that S2000, which is dried, in product afterwards
Reason, processing time are 0.5~1 hour.So that the moisture content of the product after the premixing is down to 20%.To described dry
It is under conditions of normal pressure and anoxybiotic, using 800 DEG C of high temperature to described dry that product, which carries out carbonization treatment S3000, after dry processing
Product continuous heating 30 minutes after dry processing.
In a specific embodiment of the invention, it includes by the sludge and institute that sludge and siccative, which are carried out premixing S1000,
It states siccative and is pre-mixed according to mass values for 1~1.5.When siccative is charcoal, sludge and contain that moisture content is 60%
The charcoal that water rate is 10% carries out the premixing according to mass ratio most 1.When siccative is corn stover, moisture content is
The corn stover that 60% sludge and moisture content is 11% carries out the premixing according to mass ratio most 1.5.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example ", " specific embodiment " or " some examples " etc. mean specific features described in conjunction with this embodiment or example,
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to the term
Schematic representation may not refer to the same embodiment or example.Moreover, description specific features, structure, material or
Feature can be combined in any suitable manner in any one or more of the embodiments or examples.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art the invention discloses in the range of, according to the technique and scheme of the present invention and its design
It is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of sludge back-mixing processing system characterized by comprising
Back-mixing unit, drying unit and the carbonation unit set gradually；
The back-mixing unit includes the mixing arrangement of hollow structure；The inside of the mixing arrangement is equipped with agitating device；It is described mixed
It attaches together the top set and is equipped with sludge inlet and siccative entrance, bottom is equipped with the first mixture outlet；
The drying unit include drying machine, be fixed on the drying machine one end the first feeding device and be fixed on described
First discharging device of the one end of drying machine far from first feeding device；
The top of first feeding device is equipped with the first mixture inlet；Pass through first mixture inlet and described first
Mixture outlet is connected to the mixing arrangement and first feeding device；
The bottom of first discharging device is equipped with the second mixture outlet；
The drying machine includes the first inner cylinder and the first outer cylinder；First inner cylinder is arranged in the inside of first outer cylinder, and
First inner cylinder and first outer cylinder are flexibly connected；Along the axial direction of first inner cylinder, the inside of first inner cylinder is worn
Equipped with the first push rod；First feeding device and first discharging device are connected to first inner cylinder；
The carbonation unit include carbonization machine, be fixed on the carbonization machine one end the second feeding device and be fixed on described
Second discharging device of the one end of carbonization machine far from second feeding device；
The top of second feeding device is equipped with the second mixture inlet；Pass through second mixture inlet and described second
Mixture outlet is connected to first discharging device and second feeding device；
The bottom of second discharging device is equipped with third mixture outlet；
The carbonization machine includes the second inner cylinder and the second outer cylinder；Second inner cylinder is arranged in the inside of second outer cylinder, and
Second inner cylinder and second outer cylinder are flexibly connected；Along the axial direction of second inner cylinder, the inside of second inner cylinder is worn
Equipped with the second push rod；Second feeding device and second discharging device are connected to second inner cylinder；
The inlet valve of hub-and-spoke configuration is fixed at the top of second mixture inlet；The bottom of the third mixture outlet is set
There is the outlet valve of hub-and-spoke configuration.
2. sludge back-mixing processing system according to claim 1, which is characterized in that the outer wall of first inner cylinder with it is described
The inner wall of first outer cylinder is rotatablely connected；First inner cylinder can be around the axial rotation of first outer cylinder；
The inner wall of the outer wall of second inner cylinder and second outer cylinder is rotatablely connected；Second inner cylinder can be around described the
The axial rotation of two outer cylinders.
3. sludge back-mixing processing system according to claim 1, which is characterized in that the system also includes heating units；
The heating unit include the first combustion chamber, adjust with the first of first combustion chamber air compartment, the second combustion chamber and with
The second of second combustion chamber adjusts air compartment；Valve is equipped between first combustion chamber and second combustion chamber；It is logical
It crosses and controls the valve and can be connected to first combustion chamber and second combustion chamber；
Described first adjusts air compartment to export equipped with the first hot fume；First outer cylinder is close to the side of first discharging device
Top is equipped with the first hot fume import；By first described in first hot fume outlet and the first hot fume inlet communication
Adjust air compartment and first outer cylinder；
Described second adjusts air compartment to export equipped with the second hot fume；Second outer cylinder is close to the side of second discharging device
Top is equipped with the second hot fume import；By second described in second hot fume outlet and the second hot fume inlet communication
Adjust air compartment and second outer cylinder；
First combustion chamber is additionally provided with the first thermal source inlet；Second combustion chamber is additionally provided with Secondary Heat Source entrance；
The first tune air compartment is additionally provided with the first Secondary Air entrance；The second tune air compartment is additionally provided with second secondary wind entrance.
4. sludge back-mixing processing system according to claim 3, which is characterized in that the system also includes destructive distillation gas disposals
Unit；
The carbonization gas processing unit includes destructive distillation treatment apparatus；The destructive distillation treatment apparatus is equipped with the first dry distillation gas entrance；Institute
The top for stating the second discharging device is exported equipped with the first carbonization gas；Pass through first dry distillation gas entrance and first carbonization gas
Destructive distillation treatment apparatus described in outlet and second discharging device.
5. sludge back-mixing processing system according to claim 4, which is characterized in that the destructive distillation treatment apparatus is additionally provided with
The outlet of two carbonization gas；Second combustion chamber is equipped with the second dry distillation gas entrance；Pass through second carbonization gas outlet and described the
Two dry distillation gas entrances are connected to the destructive distillation treatment apparatus and second combustion chamber.
6. sludge back-mixing processing system according to claim 1, which is characterized in that second outer cylinder is far from described second
The top of the side of discharging device is exported equipped with the first reuse wind；First outer cylinder is close to the side of first discharging device
Bottom be equipped with the first reuse wind entrance；It is exported by the first reuse wind and is connected to the first reuse wind entrance described the
One outer cylinder and second outer cylinder；
The top of side of first outer cylinder far from first discharging device is exported equipped with the second reuse wind；Described first into
Expect that device is equipped with the second reuse wind entrance far from the side of first outer cylinder；Pass through the second reuse wind outlet and described the
Two reuse wind entrances are connected to first outer cylinder and first feeding device.
7. sludge back-mixing processing system according to claim 1, which is characterized in that the system also includes vent gas treatment lists
Member；
The tail gas treating unit includes exhaust gas treating device；One end of the exhaust gas treating device is equipped with gas inlet, and the other end is set
There is offgas outlet；The top of first discharging device is exported equipped with third reuse wind；By the third reuse wind outlet and
The gas inlet is connected to first discharging device and the exhaust gas treating device.
8. a kind of sludge back-mixing processing method, which is characterized in that the described method includes:
Sludge and siccative are pre-mixed；
Product after the premixing is dried；
Carbonization treatment is carried out to product after the drying process.
9. the method for sludge treatment according to claim 8 for reducing energy consumption, which is characterized in that it is described by sludge and siccative into
Row premixing, comprising:
The sludge and the siccative are subjected to the premixing according to mass values for 1~1.5.
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| CN201910119730.6A CN109851200B (en) | 2019-02-18 | 2019-02-18 | Sludge back-mixing treatment system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117623582A (en) * | 2024-01-25 | 2024-03-01 | 湖南清源华建环境科技有限公司 | Superheated steam drying heat recovery sludge back mixing device, system and method |
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| CN206635200U (en) * | 2016-12-30 | 2017-11-14 | 誉晟蓝天环境科技（北京）有限公司 | A kind of scraper-type oily sludge drying machine and dry carbonizing plant |
| CN208234746U (en) * | 2018-03-30 | 2018-12-14 | 江苏中顺节能科技有限公司 | Economic benefits and social benefits sludge indirectly drying system |
| CN109053321A (en) * | 2018-08-02 | 2018-12-21 | 上海市政工程设计研究总院（集团）有限公司 | A kind of sludge carbon makees the compost method of auxiliary material |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106746462A (en) * | 2016-12-30 | 2017-05-31 | 誉晟蓝天环境科技（北京）有限公司 | A kind of oily sludge carbonization treatment apparatus |
| CN206635200U (en) * | 2016-12-30 | 2017-11-14 | 誉晟蓝天环境科技（北京）有限公司 | A kind of scraper-type oily sludge drying machine and dry carbonizing plant |
| CN208234746U (en) * | 2018-03-30 | 2018-12-14 | 江苏中顺节能科技有限公司 | Economic benefits and social benefits sludge indirectly drying system |
| CN109053321A (en) * | 2018-08-02 | 2018-12-21 | 上海市政工程设计研究总院（集团）有限公司 | A kind of sludge carbon makees the compost method of auxiliary material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117623582A (en) * | 2024-01-25 | 2024-03-01 | 湖南清源华建环境科技有限公司 | Superheated steam drying heat recovery sludge back mixing device, system and method |
| CN117623582B (en) * | 2024-01-25 | 2024-04-26 | 湖南清源华建环境科技有限公司 | Superheated steam drying heat recovery sludge back mixing device, system and method |
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