CN208635117U - Sludge incineration treatment device - Google Patents
Sludge incineration treatment device Download PDFInfo
- Publication number
- CN208635117U CN208635117U CN201821075577.9U CN201821075577U CN208635117U CN 208635117 U CN208635117 U CN 208635117U CN 201821075577 U CN201821075577 U CN 201821075577U CN 208635117 U CN208635117 U CN 208635117U
- Authority
- CN
- China
- Prior art keywords
- sludge
- desiccation
- heat
- mud
- heat exchange
- 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
- 239000010802 sludge Substances 0.000 title claims abstract description 185
- 239000003546 flue gas Substances 0.000 claims abstract description 17
- 230000018044 dehydration Effects 0.000 claims abstract description 16
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 16
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000002918 waste heat Substances 0.000 claims abstract description 10
- 239000008187 granular material Substances 0.000 claims abstract description 9
- 230000009977 dual effect Effects 0.000 claims description 12
- 238000010304 firing Methods 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 10
- 238000002485 combustion reaction Methods 0.000 claims description 7
- 238000004332 deodorization Methods 0.000 claims description 7
- 239000003517 fume Substances 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 abstract description 28
- 238000000034 method Methods 0.000 abstract description 9
- 238000005469 granulation Methods 0.000 abstract 1
- 230000003179 granulation Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 14
- 239000005416 organic matter Substances 0.000 description 11
- 239000002245 particle Substances 0.000 description 8
- 239000010801 sewage sludge Substances 0.000 description 8
- 239000000292 calcium oxide Substances 0.000 description 7
- 235000012255 calcium oxide Nutrition 0.000 description 7
- 230000003750 conditioning effect Effects 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 4
- 239000004035 construction material Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000693 micelle Substances 0.000 description 4
- 230000000813 microbial effect Effects 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000003672 processing method Methods 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 235000010755 mineral Nutrition 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 230000001376 precipitating effect Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- 241000589651 Zoogloea Species 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 230000001877 deodorizing effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The utility model provides a sludge incineration processing apparatus, it is low to the domestic sludge calorific value, the heat energy that sludge incineration produced is low, the required heat energy of sludge drying is high, the heat energy that sludge incineration produced is not enough with the sludge drying, need supply the problem of heat energy, through carrying out the preliminary treatment to mud, improve the calorific value of mud, improve sludge dewatering nature, organic sludge through the preliminary treatment dewaters, sludge granules carries out the mummification after the dehydration granulation, the dry sludge after the mummification burns the processing, cold air carries out the waste heat transfer with the vapor that the mummification in-process produced, carry out the secondary heat transfer with the flue gas that burns the production again, hot-air after the heat transfer is used for mud, realize the sludge drying, burn the heat balance.
Description
Technical field
The utility model relates to the devices that sludge incineration process field more particularly to a kind of sludge incineration are handled.
Background technique
Domestic sludge is the solid sediment that municipal sewage plant processing sewage generates, and has the content of organic matter more, easy
Feature smelly, yield is big, moisture content is high.By the end of the year 2015,1.4 hundred million cubes of National urban sewage treatment plant processing capacity
Rice/day, whole year accumulative processing sewage quantity up to 410.3 billion cubic meters, year sludge yield reach 40,000,000 tons, if not dealing carefully with,
Its foul smell generated will cause air pollution, and moisture content is high, and random heap releases meeting polluted underground water, and its yield is huge, fills out
Burying place can not meet current sludge output, need to develop novel sludge disposal technology, realize domestic sludge minimizing,
Innoxious, recycling.
Sludge incineration processing can not only realize the minimizing of sludge and innoxious to the maximum extent, but also incineration ashes are also
Auxiliary product can be made, be a kind of effective sludge treating method.But sludge incineration disposal options have two, one
It is that domestic sludge calorific value is low, needs to mix one combust of the oxidizers such as coal or stalk, not only result in waste of resources, but also increases pollution
The generation of object, second is that sludge needs drying and other treatment before burning, sludge drying needs a large amount of thermal energy, also needs outer complementary energy amount, energy consumption
It is high.As (patent No.: 201410832960.4) disclose a kind of high concentration has a kind of high-concentration organic matter method for sludge treatment of patent
Organic matter sludge processing method, step are ozone pretreatment, chemical conditioning, diaphragm filters pressing deep dehydration, mud granulizing, Low Temperature Thermal
Removal moisture drying, doping biomass fuel oxygen-enriched combusting are pumped, the patent dehydrated sludge moisture content is 50% hereinafter, still also needing
Doping biomass fuel is burned, and energy consumption is high, and is increased pollution and generated.
Summary of the invention
The utility model is low for domestic sludge calorific value, and the thermal energy that sludge incineration generates is low, thermal energy needed for sludge drying
Height, the thermal energy that sludge incineration generates are not enough to sludge drying needing the problem of feeding thermal energy, provide a kind of sludge drying, burn
Heat balance treater is burnt, by improving sludge calorific value, reducing dewatered sludge moisture content, two-stage hot swapping, realizes sludge
Thermal balance is burned in desiccation.
The technical solution adopted in the utility model is:
A kind of sludge incineration processing method has following steps:
A, domestic sludge is pre-processed first, improves sludge calorific value, improves dehydration property；
B, it will be carried out dehydrating by pretreated organic sludge, dewatered wet mud is granulated, and sludge is formed
Particle；
C, mud granule enters in desiccation apparatus, by heat drying, carries out at burning after the dewatered sludge short term stored after desiccation
It manages, the hot foul smell and cold air generated in drying process carries out waste heat heat exchange, and the foul smell after cooling discharges after deodorizing process；
D, dewatered sludge burns in incinerator, the volatile matter of generation full combustion in dual firing chamber, hot fume and step
The cold air being heated in rapid c carries out heat exchange, and the flue gas after cooling discharges after gas cleaning is handled, and the hot-air after heat exchange is made
For the heat source of desiccation apparatus.
Further, the pre-treatment step in the step a are as follows: domestic sludge moisture content is first adjusted to 90% or more, then
Conditioning of mud pH value of solution is 1 to 5, destroys the reunion of microbial bacteria micelle, reduces the density of organic matter cenobium, then carries out desanding,
The biggish silt particle of gravity is removed, quick lime is added into the organic sludge after desanding, adds organic flocculant after mixing.
Further, dry base heat value >=1100kcal/kg of the domestic sludge.
Further, dewatered wet mud moisture content is 55% ~ 75% in the step b.
Further, the wetness generated in drying process in the step c is 40% ~ 80%.
Further, in the step c after waste heat heat exchange, air temperature increases 10 DEG C ~ 35 DEG C.
Further, in the step d after flue gas heat exchange, the temperature of hot-air is 100 DEG C ~ 200 DEG C.
A kind of mud burning treatment apparatus, comprising: sludge pretreatment device is mentioned for removing the inorganic grit in sludge
High sludge calorific value；Dehydration device is connected with the sludge pretreatment device, is dehydrated for wet mud；Prilling granulator, and it is described
Dehydration device is connected, for dewatered sludge to be broken into mud granule；Desiccation apparatus is connected with the prilling granulator, uses
In mud granule desiccation；Residual heat heat-exchanging device is connected with the desiccation apparatus by dehumidifying blower, is used for cold air and desiccation
The heat exchange of hot foul smell；Deodorization device is connected with the residual heat heat-exchanging device, the deodorization for desiccation foul smell；Dewatered sludge storage
Device is connected with the desiccation apparatus, for storing the sludge after desiccation；Incinerator is stored with the dewatered sludge and is filled
It sets and is connected, the burning for dewatered sludge；Dual firing chamber is connected with the incinerator, for filling for sludge volatile matter
Divided combustion；Smoke heat replacing device is connected with the dual firing chamber, and is connected by cold wind blower with the residual heat heat-exchanging device
It connects, and is connected by air-heater with the desiccation apparatus, the heat exchange for hot fume；Flue gas purification device, with the cigarette
Gas heat-exchanger rig is connected, and is used for gas cleaning.
Further, the desiccation apparatus be tray dryer, channel oven, belt dryer, revolving drier,
One of gas flow dryer, fluidized bed dryer.
Further, dual firing chamber's residence time is 2.0s ~ 3.0s.
The utility model has the following beneficial effects:
1, the utility model is sludge incineration disposal options, clinker is formed after sludge incineration, reduced training is good, and clinker is no longer
Foul smell is generated, and can be used as construction material recycling, realizes minimizing, the innoxious and disposal of resources of sludge.
2, domestic sludge is generally made of Microorganism, silt particle, inorganic salts, water, and general dehydration can only be by sludge
Moisture content takes off to 80% ~ 85%, and sludge incineration needs moisture percentage in sewage sludge less than 20%, if removed with desiccation mode it is extra in sludge
Moisture, then need higher thermal energy.The utility model destroys the group of microbial bacteria micelle by first pre-processing to sludge
It is poly-, quick lime and organic flocculant are added, sludge dewatering is facilitated, so that dehydrated sludge moisture content is reduced to 55% ~ 75%, significantly
Thermal energy needed for saving sludge drying.
3, the heat that the utility model generates sludge drying, burning is used to greatest extent
In sludge drying, the hot foul smell heating cold air generated first with sludge drying, cold air and hot fume after heating exchange heat, and make
Thermal energy is obtained to be maximally utilized.
Even if 4, burning the thermal energy generated to maximize the use, in order to make to burn the thermal energy generated and sludge drying institute
It needs thermal energy to reach balance, the calorific value of dewatered sludge is needed to reach 2400kcal/kg or more.For the not high sludge of the content of organic matter
(dry base heat value is 1100kcal/kg ~ 2400kcal/kg), the utility model first pre-processes sludge, dirty by adjusting
Mud pH value of solution removes the part inorganic salts composition in sludge, and cracks sludge zoogloea, improve in sludge organic matter with it is inorganic
The difference in specific gravity of sand grains, then desanding is carried out to sludge, the silt particle content of organic matter of removing is low, can be used as construction material, after desanding
Sludge dry base heat value is greatly improved, and reaches 2400kcal/kg or more, does not need to add any combustion-supporting material, Ke Yibao
Demonstrate,prove the self-holding burning of sludge.
5, general sludge incineration is special since it is desired that add coal, the combustion adjuvants such as stalk, therefore mostly use fluidized bed incinerator
Point is that benefit air quantity is big.The utility model organic sludge calorific value after pretreatment is higher, according to sludge itself component feature, has
Volatile matter accounting is 70% ~ 80% in machine matter, therefore the utility model can be used incinerator and carry out sludge incineration, on the one hand by
Small in air quantity, the flying dust amount of generation is small, on the other hand since air quantity is small, then small by air distribution bring heat-energy losses, another further aspect
Since air quantity is small, then subsequent treatment quantity is small.Therefore using incinerator for sludge incineration can further energy conservation,
Environmental protection.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of flow chart of sludge incineration processing method of the utility model；
Fig. 2 is a kind of schematic diagram of mud burning treatment apparatus of the utility model.
In figure: 1- sludge pretreatment device, 2- dehydration device, 3- prilling granulator, 4- desiccation apparatus, 5- waste heat heat exchange dress
It sets, 6- dehumidifying blower, 7- deodorization device, 8- dewatered sludge storage device, 9- incinerator, 10- dual firing chamber, 11- flue gas heat exchange
Device, 12- cold wind blower, 13- air-heater, 14- flue gas purification device.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is only the utility model a part of the embodiment, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without creative efforts
The every other embodiment obtained, fall within the protection scope of the utility model.
The technical solution adopted in the utility model is:
A kind of sludge incineration processing method has following steps:
A, domestic sludge is pre-processed first, improves sludge calorific value, improves dehydration property；
B, it will be carried out dehydrating by pretreated organic sludge, dewatered wet mud is granulated, and sludge is formed
Particle；
C, mud granule enters in desiccation apparatus, by heat drying, carries out at burning after the dewatered sludge short term stored after desiccation
It manages, the hot foul smell and cold air generated in drying process carries out waste heat heat exchange, and the foul smell after cooling discharges after deodorizing process；
D, dewatered sludge burns in incinerator, the volatile matter of generation full combustion in dual firing chamber, hot fume and step
The cold air being heated in rapid c carries out heat exchange, and the flue gas after cooling discharges after gas cleaning is handled, and the hot-air after heat exchange is made
For the heat source of desiccation apparatus.
Further, the pre-treatment step in the step a are as follows: domestic sludge moisture content is first adjusted to 90% or more, then
Conditioning of mud pH value of solution is 1 to 5, destroys the reunion of microbial bacteria micelle, reduces the density of organic matter cenobium, then carries out desanding,
The biggish silt particle of gravity is removed, quick lime is added into the organic sludge after desanding, adds organic flocculant after mixing.
Further, dry base heat value >=1100kcal/kg of the domestic sludge.
Further, dewatered wet mud moisture content is 55% ~ 75% in the step b.
Further, the wetness generated in drying process in the step c is 40% ~ 80%.
Further, in the step c after waste heat heat exchange, air temperature increases 10 DEG C ~ 35 DEG C.
Further, in the step d after flue gas heat exchange, the temperature of hot-air is 100 DEG C ~ 200 DEG C.
A kind of mud burning treatment apparatus, comprising: sludge pretreatment device is mentioned for removing the inorganic grit in sludge
High sludge calorific value；Dehydration device is connected with the sludge pretreatment device, is dehydrated for wet mud；Prilling granulator, and it is described
Dehydration device is connected, for dewatered sludge to be broken into mud granule；Desiccation apparatus is connected with the prilling granulator, uses
In mud granule desiccation；Residual heat heat-exchanging device is connected with the desiccation apparatus by dehumidifying blower, is used for cold air and desiccation
The heat exchange of hot foul smell；Deodorization device is connected with the residual heat heat-exchanging device, the deodorization for desiccation foul smell；Dewatered sludge storage
Device is connected with the desiccation apparatus, for storing the sludge after desiccation；Incinerator is stored with the dewatered sludge and is filled
It sets and is connected, the burning for dewatered sludge；Dual firing chamber is connected with the incinerator, for filling for sludge volatile matter
Divided combustion；Smoke heat replacing device is connected with the dual firing chamber, and is connected by cold wind blower with the residual heat heat-exchanging device
It connects, and is connected by air-heater with the desiccation apparatus, the heat exchange for hot fume；Flue gas purification device, with the cigarette
Gas heat-exchanger rig is connected, and is used for gas cleaning.
Further, the desiccation apparatus be tray dryer, channel oven, belt dryer, revolving drier,
One of gas flow dryer, fluidized bed dryer.
Further, dual firing chamber's residence time is 2.0s ~ 3.0s.
The utility model has the following beneficial effects:
1, the utility model is sludge incineration disposal options, clinker is formed after sludge incineration, reduced training is good, and clinker is no longer
Foul smell is generated, and can be used as construction material recycling, realizes minimizing, the innoxious and disposal of resources of sludge.
2, domestic sludge is generally made of Microorganism, silt particle, inorganic salts, water, and general dehydration can only be by sludge
Moisture content takes off to 80% ~ 85%, and sludge incineration needs moisture percentage in sewage sludge less than 20%, if removed with desiccation mode it is extra in sludge
Moisture, then need higher thermal energy.The utility model destroys the group of microbial bacteria micelle by first pre-processing to sludge
It is poly-, quick lime and organic flocculant are added, sludge dewatering is facilitated, so that dehydrated sludge moisture content is reduced to 55% ~ 75%, significantly
Thermal energy needed for saving sludge drying.
3, the heat that the utility model generates sludge drying, burning is used to greatest extent
In sludge drying, the hot foul smell heating cold air generated first with sludge drying, cold air and hot fume after heating exchange heat, and make
Thermal energy is obtained to be maximally utilized.
Even if 4, burning the thermal energy generated to maximize the use, in order to make to burn the thermal energy generated and sludge drying institute
It needs thermal energy to reach balance, the calorific value of dewatered sludge is needed to reach 2400kcal/kg or more.For the not high sludge of the content of organic matter
(dry base heat value is 1100kcal/kg ~ 2400kcal/kg), the utility model first pre-processes sludge, dirty by adjusting
Mud pH value of solution removes the part inorganic salts composition in sludge, and cracks sludge zoogloea, improve in sludge organic matter with it is inorganic
The difference in specific gravity of sand grains, then desanding is carried out to sludge, the silt particle content of organic matter of removing is low, can be used as construction material, after desanding
Sludge dry base heat value is greatly improved, and reaches 2400kcal/kg or more, does not need to add any combustion-supporting material, Ke Yibao
Demonstrate,prove the self-holding burning of sludge.
5, general sludge incineration is special since it is desired that add coal, the combustion adjuvants such as stalk, therefore mostly use fluidized bed incinerator
Point is that benefit air quantity is big.The utility model organic sludge calorific value after pretreatment is higher, according to sludge itself component feature, has
Volatile matter accounting is 70% ~ 80% in machine matter, therefore the utility model can be used incinerator and carry out sludge incineration, on the one hand by
Small in air quantity, the flying dust amount of generation is small, on the other hand since air quantity is small, then small by air distribution bring heat-energy losses, another further aspect
Since air quantity is small, then subsequent treatment quantity is small.Therefore using incinerator for sludge incineration can further energy conservation,
Environmental protection.
Embodiment 1
Sludge pretreatment: certain domestic sludge, moisture content 85%, calorific value 1100kcal/kg adjust moisture percentage in sewage sludge
To 90%, 2h is stirred, dilute mineral acid is added into sludge solutions, conditioning of mud pH value of solution is 1, stirs 30min, precipitates 1h, precipitating
Sludge enter desanding device, to after desanding organic sludge be added quick lime so that sludge solutions pH be neutrality, be uniformly mixed
1 ‰ PAM is added afterwards, forms organic sludge wadding body.
Sludge drying, burning: pretreated organic sludge carries out frame dehydration, and dewatered sludge moisture content is 55%, butt
Calorific value is 2450kcal/kg, and dewatered sludge enters desiccation apparatus after being granulated, desiccation apparatus air inlet hot air temperature is 100 DEG C,
Moisture percentage in sewage sludge after desiccation is 25%, and heat steam humidity is 40% after desiccation, and temperature is 60 DEG C, and temperature is reduced to 35 after exchanging heat
℃；Sludge after desiccation burns in incinerator, and incineration flue gas temperature is 800 DEG C, and temperature is reduced to 150 DEG C after exchanging heat,
Air themperature after waste heat heat exchange improves 10 DEG C, and temperature reaches 100 DEG C after flue gas heat exchange.
Embodiment 2
Sludge pretreatment: certain domestic sludge, moisture content 83%, calorific value 2300kcal/kg adjust moisture percentage in sewage sludge
To 95%, 1h is stirred, dilute mineral acid is added into sludge solutions, conditioning of mud pH value of solution is 5, and stirring 1h precipitates 2h, precipitating
Sludge enters desanding device, and quick lime is added to the organic sludge after desanding, so that sludge solutions pH is neutrality, after mixing
1 ‰ PAM is added, organic sludge wadding body is formed.
Sludge drying, burning: pretreated organic sludge carries out frame dehydration, and dewatered sludge moisture content is 75%, butt
Calorific value is 3500kcal/kg, and dewatered sludge enters desiccation apparatus after being granulated, desiccation apparatus air inlet hot air temperature is 150 DEG C,
Moisture percentage in sewage sludge after desiccation is 20%, and heat steam humidity is 80% after desiccation, and temperature is 50 DEG C, and temperature is reduced to 30 after exchanging heat
℃；Sludge after desiccation burns in incinerator, and incineration flue gas temperature is 1200 DEG C, and temperature is reduced to 200 DEG C after exchanging heat,
Air themperature after waste heat heat exchange improves 10 DEG C, and temperature reaches 150 DEG C after flue gas heat exchange.
Embodiment 3
Sludge pretreatment: certain domestic sludge, moisture content 86%, calorific value 2600kcal/kg adjust moisture percentage in sewage sludge
To 95%, 1h is stirred, dilute mineral acid is added into sludge solutions, conditioning of mud pH value of solution is 4, and stirring 1h precipitates 2h, precipitating
Sludge enters desanding device, and quick lime is added to the organic sludge after desanding, so that sludge solutions pH is neutrality, after mixing
1 ‰ PAM is added, organic sludge wadding body is formed.
Sludge drying, burning: pretreated organic sludge carries out frame dehydration, and dewatered sludge moisture content is 70%, butt
Calorific value is 3700kcal/kg, and dewatered sludge enters desiccation apparatus after being granulated, desiccation apparatus air inlet hot air temperature is 200 DEG C,
Moisture percentage in sewage sludge after desiccation is 15%, and heat steam humidity is 60% after desiccation, and temperature is 90 DEG C, and temperature is reduced to 60 after exchanging heat
℃；Sludge after desiccation burns in incinerator, and incineration flue gas temperature is 1500 DEG C, and temperature is reduced to 200 DEG C after exchanging heat,
Air themperature after waste heat heat exchange improves 35 DEG C, and temperature reaches 200 DEG C after flue gas heat exchange.
Claims (3)
1. a kind of mud burning treatment apparatus characterized by comprising sludge pretreatment device (1), for removing in sludge
Inorganic grit improves sludge calorific value；Dehydration device (2) is connected with the sludge pretreatment device (1), de- for wet mud
Water；Prilling granulator (3) is connected, for dewatered sludge to be broken into mud granule with the dehydration device (2)；Desiccation apparatus
(4), it is connected with the prilling granulator (3), is used for mud granule desiccation；Residual heat heat-exchanging device (5), by dehumidifying blower (6)
It is connected with the desiccation apparatus (4), the heat exchange for cold air and the hot foul smell of desiccation；Deodorization device (7), is changed with the waste heat
Thermal (5) is connected, the deodorization for desiccation foul smell；Dewatered sludge storage device (8) is connected with the desiccation apparatus (4),
For storing the sludge after desiccation；Incinerator (9) is connected with the dewatered sludge storage device (8), is used for dewatered sludge
Burning；Dual firing chamber (10) is connected with the incinerator (9), the full combustion for sludge volatile matter；Flue gas heat exchange
Device (11) is connected with the dual firing chamber (10), and is connected by cold wind blower (12) with the residual heat heat-exchanging device (5)
It connects, and is connected by air-heater (13) with the desiccation apparatus (4), the heat exchange for hot fume；Flue gas purification device
(14), it is connected with the smoke heat replacing device (11), is used for gas cleaning.
2. a kind of mud burning treatment apparatus according to claim 1, which is characterized in that the desiccation apparatus (4) is compartment
One of formula drier, channel oven, belt dryer, revolving drier, gas flow dryer, fluidized bed dryer.
3. a kind of mud burning treatment apparatus according to claim 1, which is characterized in that when the dual firing chamber (10) stops
Between be 2.0s ~ 3.0s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821075577.9U CN208635117U (en) | 2018-07-09 | 2018-07-09 | Sludge incineration treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821075577.9U CN208635117U (en) | 2018-07-09 | 2018-07-09 | Sludge incineration treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208635117U true CN208635117U (en) | 2019-03-22 |
Family
ID=65736777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821075577.9U Active CN208635117U (en) | 2018-07-09 | 2018-07-09 | Sludge incineration treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208635117U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692317A (en) * | 2018-07-09 | 2018-10-23 | 天津壹新环保工程有限公司 | Sludge incineration treatment method and device |
-
2018
- 2018-07-09 CN CN201821075577.9U patent/CN208635117U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692317A (en) * | 2018-07-09 | 2018-10-23 | 天津壹新环保工程有限公司 | Sludge incineration treatment method and device |
| CN108692317B (en) * | 2018-07-09 | 2024-05-17 | 天津壹新环保工程有限公司 | Sludge incineration treatment method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108692317A (en) | Sludge incineration treatment method and device | |
| CN101239773B (en) | Heat pump and sludge drying integration method and system | |
| CN107572740A (en) | A kind of sludge at low temperature desiccation burning integral method and system using fume afterheat | |
| CN102476907B (en) | Method of high-efficiency high-speed environmentally-friendly energy-saving sludge treatment system | |
| CN203487018U (en) | Deep treatment device for sludge | |
| CN105731754A (en) | Treatment device and method for drying sludge through slag waste heat | |
| CN215886751U (en) | Sludge two-stage drying pyrolysis disposal system | |
| CN107089784A (en) | A kind of system and method for recycling sludge processing | |
| CN201310895Y (en) | Municipal domestic refuse drying pretreatment device | |
| CN103359906B (en) | Method for sludge drying and incineration by swill-cooked dirty oil | |
| CN208536004U (en) | Utilize the sludge at low temperature anhydration and incineration device of fume afterheat | |
| CN207313414U (en) | Utilize the sludge anhydration burning device of solar energy | |
| CN208635117U (en) | Sludge incineration treatment device | |
| CN110953594B (en) | Multistage dryer and system for treating sludge and recycling energy by fluidized bed incinerator | |
| CN211739114U (en) | System for multistage desiccator and fluidized bed incinerator handle mud and recovery energy | |
| CN100445224C (en) | Sludge drying and granulating system by using residual heat of exhaust flue gas in garbage power | |
| CN107285580A (en) | Method for sludge treatment | |
| CN111623352A (en) | Self-sustaining incineration system and method for low-calorific-value high-ash sludge | |
| CN104329676B (en) | Fluid bed sludge incinerating system and processing method | |
| CN203768193U (en) | Vitrified sludge disposal system | |
| CN208120950U (en) | A kind of environmentally-friendly sludge desiccation apparatus | |
| CN103075736B (en) | Gathering ring sludge incinerator | |
| CN202643514U (en) | Efficient energy-saving sludge treatment system | |
| CN109282661A (en) | Method for treating household garbage by hot blast furnace slag | |
| CN107522382A (en) | A kind of sludge drying-incineration integrated system using solar source |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |