CN206858401U - A kind of device for handling sludge - Google Patents
A kind of device for handling sludge Download PDFInfo
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- CN206858401U CN206858401U CN201720585711.9U CN201720585711U CN206858401U CN 206858401 U CN206858401 U CN 206858401U CN 201720585711 U CN201720585711 U CN 201720585711U CN 206858401 U CN206858401 U CN 206858401U
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- sludge
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- centrifuge
- tank
- fuel
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- 239000010802 sludge Substances 0.000 title claims abstract description 189
- 239000000446 fuel Substances 0.000 claims abstract description 62
- 238000003860 storage Methods 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims description 18
- 238000009835 boiling Methods 0.000 claims description 15
- 238000002485 combustion reaction Methods 0.000 claims description 14
- 238000005119 centrifugation Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 18
- 238000001035 drying Methods 0.000 abstract description 9
- 230000018044 dehydration Effects 0.000 abstract description 8
- 238000006297 dehydration reaction Methods 0.000 abstract description 8
- 239000002245 particle Substances 0.000 abstract description 8
- 238000004064 recycling Methods 0.000 abstract description 8
- 238000001704 evaporation Methods 0.000 abstract description 7
- 239000002918 waste heat Substances 0.000 abstract description 6
- 230000000505 pernicious effect Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 24
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 20
- 239000001301 oxygen Substances 0.000 description 20
- 229910052760 oxygen Inorganic materials 0.000 description 20
- 238000000034 method Methods 0.000 description 18
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical group [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 16
- 239000003546 flue gas Substances 0.000 description 15
- 238000007254 oxidation reaction Methods 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 239000010865 sewage Substances 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 239000002737 fuel gas Substances 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 6
- 230000000813 microbial effect Effects 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 230000003009 desulfurizing effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000007701 flash-distillation Methods 0.000 description 5
- 238000002309 gasification Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- 239000010801 sewage sludge Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000000185 dioxinlike effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 230000003834 intracellular effect Effects 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 244000052769 pathogen Species 0.000 description 2
- 230000001717 pathogenic effect Effects 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 230000002518 glial effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000007353 oxidative pyrolysis Methods 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 239000002006 petroleum coke Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 208000016261 weight loss Diseases 0.000 description 1
- 230000004580 weight loss Effects 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Abstract
The utility model discloses a kind of device for handling sludge, belong to technical field of sludge treatment.Including sludge storage tank, flash vessel, centrifuge, comminutor and burner, the sludge storage tank is connected with homogeneous tank, and sludge pump I is provided between sludge storage tank and homogeneous tank；The flash vessel and centrifuge are all connected with homogeneous tank, are connected between flash vessel and centrifuge by sludge pump III；The centrifuge connects comminutor, comminutor connection burner；The burner includes air reactor and fuel reactor, material returning device is provided between air reactor and fuel reactor, and air reactor and fuel reactor are connected with material returning device；Fuel reactor upper end is provided with cyclone separator, and cyclone separator is connected with air reactor.The utility model handles sludge by efficient flash-evaporation dehydration, waste heat drying particles and burning chemistry chains, is avoided that the generation of pernicious gas, while increase the recycling of thermal source.
Description
Technical field
A kind of device for handling sludge has been the utility model is related to, has belonged to technical field of sludge treatment.
Background technology
In recent years, as the rapid growth of wastewater treatment in China ability, sludge yield are synchronously significantly increased.At sewage
The end product of reason, sludge contain the poisonous and harmful substances such as substantial amounts of pathogen, heavy metal and persistent organism, according to statistics mesh
Preceding sludge of the whole nation more than 80% does not obtain innoxious, stabilization processes disposal, causes secondary environmental pollution situation very tight
Weight.For this problem, in recent years, country puts into effect a series of relevant policies for being related to specific resistance to filtration, standard and method laws
Rule, have promoted the formation in market.Municipal sewage sludge is handled and the principle of disposal is：Minimizing, innoxious, stabilisation, money
Source, " minimizing " and " innoxious " are the emphasis of sludge treatment, and " recycling " is the final goal of sludge treatment.For effectively,
Thoroughly solve the problem of environmental pollution of sludge, substantial amounts of waste can be changed into by working substance by technological development, sludge is entered
Row comprehensive utilization, obtains good economic benefit and environmental benefit.At present, sludge anhydration burning technology waits hair American-European-Japanese
It is applied successfully up to country, turns into a kind of main sludge treating method.
Sludge incineration is that dewatered sludge is sent directly into incinerator the combustible component in sludge is fully burnt at high temperature,
Poisonous and harmful substance in waste in high temperature oxidative pyrolysis and be destroyed, eventually become stable lime-ash.Sludge incineration is " most
Mud thoroughly ", it can make organic matter all be carbonized, effectively kill pathogen, reduce sludge body to greatest extent
Product, and floor space is small, and automatization level is high, is not influenceed by external condition.High with volume reduction, weight-loss ratio, processing speed is fast,
It is innoxious more thoroughly, waste heat can be used for generate electricity, heat supply or for sludge drying provide needs thermal source the advantages that.
China's sewage sludge incineration recycling processing mode is but made slow progress, main cause be moisture percentage in sewage sludge very
It is high；Sludge of sewage treatment plant is aqueous 80% or so；Sludge, which will reach independent burning electricity generation requirement, must carry out desiccation, thus
Cost is very high, and sludge treatment turns into the problem of one currently faced is difficult.Contained humidity is mainly deposited in the form of four kinds in sludge
It is being：Void among particles water, intergranular capillary water, granular absorption water and particle internal water, and be combined with each other and to form cell
Glial state, the dehydration of common mechanical equipment can only remove a small amount of moisture, reach moisture content 80%-85% level, therefore energy consumption
Huge sludge drying is that recycling sludge makes sludge treatment cost very high using the process having to pass through, huge energy consumption, this
And the basic reason that recycling sludge disposal rate is low.
The independent incineration disposal method of traditional sludge uses air as oxidant, causes gas pollutant（Such as NOx, SOx
Deng）The Transport And Transformation of, dioxin emissions and heavy metal is relatively uncontrollable, is puzzlement sludge incineration secondary pollution processing cost
High key issue.Traditional sludge incineration technology is difficult to be used on a large scale in China in a short time, and only East Coastal part is sent out at present
Sludge incineration technique is employed up to the city such as city such as Guangzhou, Shanghai.Therefore, seek a kind of collection to control oneself burning, resource reclaim, low
The sludge cleaning incineration disposal technology that disposal of pollutants is integrated is considerable in future market prospect.
The core of Treatment of Sludge is to realize efficient drying under conditions of energy consumption is relatively low, the high-moisture percentage of sludge, high viscous
Property causes it to dehydrate bottleneck to be difficult to overcome, and traditional heating and gasifying drying means can not realize production eventually because energy consumption is too high
Industryization is run.Therefore, a kind of low energy consumption of exploitation, efficient sludge dewatering, desiccation burning integral technique are needed badly, is really realized dirty
Innoxious, the recycling treatment of mud.
State Intellectual Property Office disclosed a kind of Publication No. CN202947125U, patent name on 05 22nd, 2013
For the utility model patent of " a kind of variable cycle fluidisation bed chemical chain combustion apparatus ", including it is double-circulating fluid bed（Air reaction
Device and combustion reactor）, riser, cyclone separator, standpipe, two-way flow sealing valve.The device is used for gas and solid fires
The direct burning chemistry chains of material, such as natural gas, synthesis gas from coal gasification, coal dust, biomass, petroleum coke, sludge etc., pass through two
Bed amount in two-way flow sealing valve equilibrium air reactor and combustion reactor, the carrier of oxygen is improved in air reactor and burning
Residence time in reactor, Combustion Efficiency of Coal Powder is improved, tail gas cleaning is easy to CO2Trapping utilizes and off gas energy recovery.
State Intellectual Property Office disclosed a kind of Publication No. CN103398386A, patent name on November 20th, 2013
For the patent of invention of " a kind of device and method based on burning chemistry chains disposing sludge ", the chemistry based on circulation oxygen carrier is realized
Chain combustion process, reach the device of safe disposal sludge in combustion.The device by air reactor, cyclone separator,
Fuel reactor and material returning device form a circulation loop；Its method is reduction-state oxygen carrier and air in air reactor
Oxidation reaction is carried out, generates oxidation state oxygen carrier granule, after cyclone separator separates, oxidation state oxygen carrier granule calcium enters combustion
Expect reactor；Sludge carries out pyrolytic gasification reaction in fuel reactor, generates fuel gas, fuel gas and oxidation state oxygen carrier
Body carries out reduction reaction, generation carbon dioxide, vapor and reduction-state oxygen carrier, and carbon dioxide, water steam in fuel reactor
Gas and a small amount of fuel gas not reacted completely are interior also by fuel reactor blast pipe air inlet reactor, fuel reactor
Ortho states oxygen carrier granule returns to air reactor by material returning device.
With reference to prior art, following deficiency also be present：
（1）But in the apparatus, sludge is by sludge import, enters directly into and reaction is participated in fuel reactor, this
Wherein the moisture content height of sludge or existing form can have a strong impact on the efficiency of combustion of sludge, and the generation of pernicious gas；
（2）Meanwhile the flue gas part in the device is recycled in air reactor, another part is arranged by exhanst gas outlet
It is put into air, air can be caused necessarily to pollute, meanwhile, fume emission can take away partial heat, waste of resource, cost height.
Utility model content
The utility model aims to solve the problem that prior art problem, and proposes a kind of device for handling sludge, belongs at sludge
Manage technical field.The utility model is by the setting to sludge storage tank, flash vessel, centrifuge, comminutor and burner, and profit
Sludge method is handled with efficient flash-evaporation dehydration, waste heat drying particles and burning chemistry chains, both effectively processing sludge, solution were harmful
Gas produces problem, while increases the recycling of thermal source again.
To realize above-mentioned technical purpose, following technical scheme is proposed：
A kind of device for handling sludge, including sludge storage tank, flash vessel, centrifuge, comminutor and burner, the dirt
Mud storage tank is connected with homogeneous tank, and sludge pump I is provided between sludge storage tank and homogeneous tank；The flash vessel and centrifuge all with
Matter tank connects, and is connected between flash vessel and centrifuge by sludge pump III；The centrifuge connects comminutor, comminutor connection combustion
Burn device；The burner includes air reactor and fuel reactor, is provided between air reactor and fuel reactor
Material returning device, and air reactor and fuel reactor are connected with material returning device；Fuel reactor upper end is provided with cyclone separator, rotation
Wind separator is connected with air reactor.
Further, the homogeneous tank is connected with surge tank, surge tank connection having heaters, and surge tank is with heater
Connected by sludge pump II.
Further, the heater is separately connected with boiling vessel, and boiling vessel is connected with flash vessel.
Further, the heater is also connected with comminutor.
Further, the cyclone separator is connected with heater.
Further, described fuel reactor one end is provided with batcher, and batcher is connected with comminutor.
Further, the flash vessel is Multistage flash evaporator.
Further, the centrifuge is horizontal screw centrifuge.
Using technical scheme, operation principle is：
Flash-evaporation dehydration：Start sludge treatment equipment, the sludge that sewage treatment plant is received to fortune is discharged into sludge storage tank, in sludge
In the presence of pump I, sludge is entered in homogeneous tank by sludge storage tank, then steam and the centrifuge removing flashed off by flash vessel
Part high-temperature water is entered in homogeneous tank, is carried out mixing and stirring homogeneous, after sludge temperature rises to about 58-62 DEG C, is entered surge tank；
Homogeneous sludge acts on through sludge pump II, into heater, is carried out using 750-850 DEG C of high-temperature flue gas caused by furnace room equal
Matter sludge is heated, and homogeneous sludge temperature is increased into 145-155 DEG C；Homogeneous sludge after heated enters in boiling vessel, is steaming
It is incubated in boiler, pressurize, the microbial cell in homogeneous sludge starts to crush, and colloidal substance starts to disintegrate, and viscosity reduces,
Intracellular water, capillary water, absorption water and surface adsorption water largely separate out, when temperature reaches 150-200 DEG C of design temperature in boiling vessel
And during pressure 1.0-1.6MPa, maintenance reaction time 28-32min, microbial cell hydrolysis is completed, and is then processed
Homogeneous sludge blasting type enters in flash vessel；In flash vessel, the steam flashed off uses for sludge tune, the dirt in flash vessel
Mud is in the presence of sludge pump III, into centrifuge；
Desiccation, granulation：In centrifuge, the homogeneous sludge after flash distillation carries out dewater treatment, and the part high-temperature water of abjection exists
Enter homogeneous tank in the presence of sewage pump, remainder high-temperature water into sewage-treatment plant processing, it is to be detected it is qualified after, row
Put；The moisture content 44-48% that centrifuge is sent out takes off dewatered sludge, and 280-320 is discharged through being transported in comminutor, then in heater
Under the effect of DEG C flue gas, dry, it is 18-22% dewatered sludge fuel to draw moisture content；Dewatered sludge fuel is fully mixed with desulfurizing agent
Close, after metering, by batcher, be delivered in fuel reactor；
Burning：Dewatered sludge fuel carries out pyrolytic gasification reaction in fuel reactor, generates fuel gas, then fuel
Gas carries out reduction reaction, generation reduction-state carrier of oxygen particle, carbon dioxide and vapor with the oxidation state carrier of oxygen；It is anti-in fuel
Answer in device, because no oxygen molecule is present, organic or inorganic carbon and organic or inorganic chlorine will not generate dioxin thing in sludge
Matter；Because running temperature is relatively low in air reactor and fuel reactor, without thermal NO in air reactorxWith
Quick-type NOxProduce, and in fuel reactor, due to fuel not with O2Contact, effectively reduces fuel NOxProduce.Fuel
The reduction-state carrier of oxygen of generation is returned in air reactor by material returning device in reactor, the oxygen of the ortho states carrier of oxygen and air
Generation oxidation reaction, complete the regenerative process of the oxidation state carrier of oxygen；
Vent gas treatment：The bottom of air reactor is provided with air intlet, and the top of cyclone separator is provided with exhanst gas outlet；Combustion
Expect the flue gas in reactor by blast pipe air inlet reactor, being mixed with the flue gas of air reactor, then mixing cigarette
Gas is discharged in the lump by Cyclone outlet, and part mixed flue gas provides thermal source for heater and comminutor, utilizes waste heat, portion
Point mixed flue gas enters flue gas back-end processing, it is to be detected it is qualified after, discharge.
Further, the desulfurizing agent is lime stone or activated carbon.
Using the technical program, the advantageous effects brought are：
（1）The utility model is tied by the setting to sludge storage tank, flash vessel, centrifuge, comminutor and burner
Efficient flash-evaporation dehydration, waste heat drying particles and burning chemistry chains processing sludge method are closed, both effectively processing sludge, solution were harmful
Gas produces problem, while increases the recycling of thermal source again；
（2）In the utility model, the setting of sludge storage tank, sludge is stored, be easy to having for later stage Treatment of Sludge
Sequence is carried out；
（3）In the utility model, the setting of sludge pump I, sludge pump II and sludge pump III, sludge is collected, and
It is sent in next processing unit of Treatment of Sludge, promotes effective, the orderly progress of sludge treatment technique；
（4）In the utility model, the setting of homogeneous tank, carry out mixing and stirring sludge homogeneous, and high temperature is carried out to sludge homogeneous
Flash distillation, prepared for the subsequent treatment of sludge；
（5）In the utility model, the setting of surge tank, the pressure oscillation of sludge treating system is buffered, promote system work
Make more steady；
（6）In the utility model, the setting of heater, homogeneous sludge is heated；The setting of boiling vessel, it is right
Homogeneous sludge is incubated, pressurize, and the microbial cell in homogeneous sludge starts to crush, and colloidal substance starts to disintegrate, and viscosity reduces, born of the same parents
Interior water, capillary water, absorption water and surface adsorption water largely separate out, when in boiling vessel temperature reach 150-200 DEG C of design temperature and
During pressure 1.0-1.6MPa, maintenance reaction time 28-32min, microbial cell hydrolysis is completed；
（6）In the utility model, the setting of flash vessel, flash vessel carries out flash distillation process to homogeneous sludge, reduces sludge
Middle moisture content, and the steam flashed off is adjusted for sludge and used；
（7）In the utility model, the setting of centrifuge, dewater treatment is carried out to the homogeneous sludge after flash distillation, dropped again
Moisture content in low sludge, meanwhile, caused part high-temperature water enters in homogeneous tank in the presence of sewage pump, equal to mix and stir sludge
Matter provides；
（8）In the utility model, the setting of comminutor, drying and other treatment further is carried out to sludge, while by after desiccation
Sludge be manufactured into the dewatered sludge fuel of given shape, granular dewatered sludge can be easily sufficiently mixed with desulfurizing agent, and be increased
Contact area between granular dewatered sludge and fluidized wind, granular dewatered sludge is promoted to carry out in fuel reactor abundant heat
Gasification reaction is solved, avoids the generation of pernicious gas indirectly；
（9）In the utility model, the setting of batcher, granular dewatered sludge conveying so that granular desiccation is orderly to enter
Enter into fuel reactor；
（10）In the utility model, the setting of fuel reactor, granulating dewatered sludge is promoted to carry out burning chemistry chains, both
Sludge can be cut down, and can reduces the discharge capacity of pernicious gas.In fuel reactor, because no oxygen molecule is present, in sludge
Organic or inorganic carbon and organic or inorganic chlorine will not generate dioxin-like chemical；Due to being transported in air reactor and fuel reactor
Trip temperature is relatively low, without thermal NO in air reactorxWith Quick-type NOxProduce, and in fuel reactor, by
In fuel not with O2Contact, effectively reduces fuel NOxProduce.
（11）In the utility model, using sludge pyrolysis characteristicses at high temperature, the dewatering of sludge is greatly improved,
Moisture percentage in sewage sludge is greatly lowered in efficient flash-evaporation dehydration, as the preliminary processes of sludge ultimate disposal, can be greatly reduced
The construction investment and operating cost of sludge ultimate disposal；
（12）In the utility model, using chemical chain burning technology, sludge is not direct and air contact burns, and can disappear
Except organic or inorganic carbon and organic or inorganic chlorine generate dioxin-like chemical in the presence of catalyst in sludge burning process, together
When reduce sludge incineration during NOXDischarge；
（13）In the utility model, fume afterheat is made full use of, is consumed during reduction flash-evaporation dehydration and drying particles
Heat energy, make sludge handling process energy consumption minimum.
Brief description of the drawings
Fig. 1 is the utility model circuit theory schematic diagram
In figure：1st, sludge storage tank, 2, sludge pump I, 3, homogeneous tank, 4, surge tank, 5, sludge pump II, 6, heater, 7, steam
Boiler, 8, flash vessel, 9, sludge pump III, 10, centrifuge, 11, comminutor, 12, batcher, 13, fuel reactor, 14, returning charge
Device, 15, air reactor, 16, cyclone separator.
Embodiment
It is clearly and completely described below by the technical scheme in the embodiment of the utility model, it is clear that described
Embodiment be only part of the embodiment of the present utility model, rather than whole embodiment.Based on the reality in the utility model
Example is applied, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is all belonged to
In the scope of the utility model protection.
Embodiment 1
As shown in Figure 1：A kind of device for handling sludge, including sludge storage tank 1, flash vessel 8, centrifuge 10, comminutor 11
And burner, the sludge storage tank 1 are connected with homogeneous tank 3, sludge pump I 2 is provided between sludge storage tank 1 and homogeneous tank 3；Institute
State flash vessel 8 and centrifuge 10 is all connected with homogeneous tank 3, connected between flash vessel 8 and centrifuge 10 by sludge pump III 9；Institute
State centrifuge 10 and connect comminutor 11, comminutor 11 connects burner；The burner includes air reactor 15 and combustion
Expect reactor 13, material returning device 14 is provided between air reactor 15 and fuel reactor 13, and air reactor 15 and fuel are anti-
Device 13 is answered to be connected with material returning device 14；The upper end of fuel reactor 13 is provided with cyclone separator 16, and cyclone separator 16 and air are anti-
Device 15 is answered to connect.
Embodiment 2
As shown in Figure 1：A kind of device for handling sludge, including sludge storage tank 1, flash vessel 8, centrifuge 10, comminutor 11
And burner, the sludge storage tank 1 are connected with homogeneous tank 3, sludge pump I 2 is provided between sludge storage tank 1 and homogeneous tank 3；Institute
State flash vessel 8 and centrifuge 10 is all connected with homogeneous tank 3, connected between flash vessel 8 and centrifuge 10 by sludge pump III 9；Institute
State centrifuge 10 and connect comminutor 11, comminutor 11 connects burner；The burner includes air reactor 15 and combustion
Expect reactor 13, material returning device 14 is provided between air reactor 15 and fuel reactor 13, and air reactor 15 and fuel are anti-
Device 13 is answered to be connected with material returning device 14；The upper end of fuel reactor 13 is provided with cyclone separator 16, and cyclone separator 16 and air are anti-
Device 15 is answered to connect.
Further, the homogeneous tank 3 is connected with surge tank 4, and surge tank 4 connects having heaters 6, and surge tank 4 is with adding
Hot device 6 is connected by sludge pump II 5.
Further, the heater 6 is separately connected with boiling vessel 7, and boiling vessel 7 is connected with flash vessel 8.
Further, the heater 6 is also connected with comminutor 11.
Further, the cyclone separator 16 is connected with heater 6.
Further, described one end of fuel reactor 13 is provided with batcher 12, and batcher 12 is connected with comminutor 11.
Further, the flash vessel 8 is Multistage flash evaporator.
Further, the centrifuge 10 is horizontal screw centrifuge.
Embodiment 3
As shown in Figure 1：A kind of device for handling sludge, including sludge storage tank 1, flash vessel 8, centrifuge 10, comminutor 11
And burner, the sludge storage tank 1 are connected with homogeneous tank 3, sludge pump I 2 is provided between sludge storage tank 1 and homogeneous tank 3；Institute
State flash vessel 8 and centrifuge 10 is all connected with homogeneous tank 3, connected between flash vessel 8 and centrifuge 10 by sludge pump III 9；Institute
State centrifuge 10 and connect comminutor 11, comminutor 11 connects burner；The burner includes air reactor 15 and combustion
Expect reactor 13, material returning device 14 is provided between air reactor 15 and fuel reactor 13, and air reactor 15 and fuel are anti-
Device 13 is answered to be connected with material returning device 14；The upper end of fuel reactor 13 is provided with cyclone separator 16, and cyclone separator 16 and air are anti-
Device 15 is answered to connect.
Further, the homogeneous tank 3 is connected with surge tank 4, and surge tank 4 connects having heaters 6, and surge tank 4 is with adding
Hot device 6 is connected by sludge pump II 5.
Further, the heater 6 is separately connected with boiling vessel 7, and boiling vessel 7 is connected with flash vessel 8.
Further, the heater 6 is also connected with comminutor 11.
Further, the cyclone separator 16 is connected with heater 6.
Further, described one end of fuel reactor 13 is provided with batcher 12, and batcher 12 is connected with comminutor 11.
Further, the flash vessel 8 is Multistage flash evaporator.
Further, the centrifuge 10 is horizontal screw centrifuge.
Using the technical program, technological process is：
A. flash-evaporation dehydration：Starting sludge treatment equipment, the sludge that sewage treatment plant is received to fortune is discharged into sludge storage tank 1,
In the presence of sludge pump I 2, sludge is entered in homogeneous tank 3 by sludge storage tank 1, then the steam flashed off by flash vessel 8 and centrifugation
The part high-temperature water that machine 10 removes is entered in homogeneous tank 3, carries out mixing and stirring homogeneous, after sludge temperature rises to about 58 DEG C, is entered
To surge tank 4；Homogeneous sludge acts on through sludge pump II 5, into heater 6, utilizes 750 DEG C of high temperature cigarettes caused by furnace room
Gas carries out homogeneous sludge heating, and homogeneous sludge temperature is increased into 145 DEG C；Homogeneous sludge after heated enters in boiling vessel 7,
It is incubated in boiling vessel 7, pressurize, the microbial cell in homogeneous sludge starts to crush, and colloidal substance starts to disintegrate, viscosity
Reduce, intracellular water, capillary water, absorption water and surface adsorption water largely separate out, when temperature reaches design temperature 150 in boiling vessel 7
DEG C and during pressure 1.0MPa, maintenance reaction time 28min, microbial cell hydrolysis is completed, then processed homogeneous
Sludge blasting type enters in flash vessel 8；In flash vessel 8, the steam flashed off uses for sludge tune, the dirt in flash vessel 8
Mud is in the presence of sludge pump III 9, into centrifuge 10；
B. desiccation, granulation：In centrifuge 10, the homogeneous sludge after flash distillation carries out dewater treatment, the part high temperature of abjection
Water enters homogeneous tank 3 in the presence of sewage pump, and remainder high-temperature water is to be detected qualified into sewage-treatment plant processing
Afterwards, discharge；The moisture content 44% that centrifuge 10 is sent out takes off dewatered sludge, is discharged through being transported in comminutor 11, then in heater 6
Under 280 DEG C of flue gas effects, dry, it is 18% dewatered sludge fuel to draw moisture content；Dewatered sludge fuel is fully mixed with desulfurizing agent
Close, after metering, by batcher 12, be delivered in fuel reactor 13；
C. burn：Dewatered sludge fuel carries out pyrolytic gasification reaction in fuel reactor 13, generates fuel gas, then
Fuel gas carries out reduction reaction, generation reduction-state carrier of oxygen particle, carbon dioxide and vapor with the oxidation state carrier of oxygen；Firing
Expect in reactor 13, because no oxygen molecule is present, organic or inorganic carbon and organic or inorganic chlorine will not generate two evils in sludge
English class material；Because running temperature is relatively low in air reactor 15 and fuel reactor 13, in air reactor 15
Produced without thermal NO x and Quick-type NOx, and in fuel reactor 13, because fuel does not contact with O2, effectively reduce
Fuel NO_x produces.The reduction-state carrier of oxygen of generation is returned in air reactor 15 by material returning device 14 in fuel reactor 13,
Oxidation reaction occurs for the oxygen of the ortho states carrier of oxygen and air, completes the regenerative process of the oxidation state carrier of oxygen；
D. vent gas treatment：The bottom of air reactor 15 is provided with air intlet, and the top of cyclone separator 16 is provided with flue gas
Outlet；Flue gas in fuel reactor 13 with the flue gas of air reactor 15 by blast pipe air inlet reactor 15, mixing
Close, then mixed flue gas is exported by cyclone separator 16 and discharged in the lump, and part mixed flue gas is that heater 6 and comminutor 11 carry
Supplying heat source, using waste heat, part mixed flue gas enters flue gas back-end processing, it is to be detected it is qualified after, discharge.
Further, the desulfurizing agent is lime stone or activated carbon.
Embodiment 4
On the basis of embodiment 1-3, the moisture content that sets 1t is after 80% sludge utilizes this device and method, only remaining
40~60kg lime-ash；Meanwhile energy conservation 400kcal/kg（Moisture content is 80% sludge）；Exhaust emissions is low：Bioxin is arranged
The high-volume ng-TEQ/m of ＜ 0.13；NOx emission concentration ＜ 10mg/m3；SOx discharges are less than 50mg/m3。
Claims (8)
1. a kind of device for handling sludge, it is characterised in that including sludge storage tank (1）, flash vessel（8）, centrifuge（10）, be granulated
Machine（11）And burner, the sludge storage tank (1）It is connected with homogeneous tank（3）, in sludge storage tank (1）With homogeneous tank（3）Between
Provided with sludge pump I（2）；The flash vessel（8）And centrifuge（10）All with homogeneous tank（3）Connection, flash vessel（8）With centrifuge
（10）Between pass through sludge pump III（9）Connection；The centrifuge（10）Connect comminutor（11）, comminutor（11）Connection burning dress
Put；The burner includes air reactor（15）And fuel reactor（13）, air reactor（15）And fuel reactor
（13）Between be provided with material returning device（14）, and air reactor（15）And fuel reactor（13）And material returning device（14）Connection；Combustion
Expect reactor（13）Upper end is provided with cyclone separator（16）, cyclone separator（16）With air reactor（15）Connection.
2. the device of processing sludge according to claim 1, it is characterised in that the homogeneous tank（3）It is connected with surge tank
（4）, surge tank（4）Connect having heaters（6）, and surge tank（4）With heater（6）It is by sludge pump II（5）Connection.
3. the device of processing sludge according to claim 2, it is characterised in that the heater（6）Separately and boiling vessel（7）
Connection, boiling vessel（7）With flash vessel（8）Connection.
4. the device of the processing sludge according to Claims 2 or 3, it is characterised in that the heater（6）Also with comminutor
（11）Connection.
5. the device of processing sludge according to claim 4, it is characterised in that the cyclone separator（16）With heater
（6）Connection.
6. the device of processing sludge according to claim 1, it is characterised in that the fuel reactor（13）One end is provided with
Batcher（12）, batcher（12）With comminutor（11）Connection.
7. the device of processing sludge according to claim 1, it is characterised in that the flash vessel（8）For Multistage flash evaporator.
8. the device of processing sludge according to claim 1, it is characterised in that the centrifuge（10）For sleeping spiral shell centrifugation
Machine.
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| CN201720585711.9U CN206858401U (en) | 2017-05-24 | 2017-05-24 | A kind of device for handling sludge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107056013A (en) * | 2017-05-24 | 2017-08-18 | 中国东方电气集团有限公司 | A kind of device and method for handling sludge |
| CN109020120A (en) * | 2018-08-31 | 2018-12-18 | 四川深蓝环保科技有限公司 | A kind of sludge sand removing process and system |
-
2017
- 2017-05-24 CN CN201720585711.9U patent/CN206858401U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107056013A (en) * | 2017-05-24 | 2017-08-18 | 中国东方电气集团有限公司 | A kind of device and method for handling sludge |
| CN109020120A (en) * | 2018-08-31 | 2018-12-18 | 四川深蓝环保科技有限公司 | A kind of sludge sand removing process and system |
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