CN214120078U - Device for sludge incineration - Google Patents
Device for sludge incineration Download PDFInfo
- Publication number
- CN214120078U CN214120078U CN202022993701.3U CN202022993701U CN214120078U CN 214120078 U CN214120078 U CN 214120078U CN 202022993701 U CN202022993701 U CN 202022993701U CN 214120078 U CN214120078 U CN 214120078U
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- Prior art keywords
- sludge
- mummification
- interface
- prilling
- incineration
- 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.)
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- 239000010802 sludge Substances 0.000 title claims abstract description 94
- 238000011084 recovery Methods 0.000 claims abstract description 28
- 230000018044 dehydration Effects 0.000 claims abstract description 25
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 25
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 14
- 239000011574 phosphorus Substances 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 238000005469 granulation Methods 0.000 claims description 24
- 230000003179 granulation Effects 0.000 claims description 24
- 239000010865 sewage Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 10
- 239000002956 ash Substances 0.000 abstract description 11
- 239000003814 drug Substances 0.000 abstract description 9
- 239000012535 impurity Substances 0.000 abstract description 5
- 239000005416 organic matter Substances 0.000 abstract description 5
- 230000006978 adaptation Effects 0.000 abstract description 3
- 239000010881 fly ash Substances 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 13
- 239000002245 particle Substances 0.000 description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 11
- 239000003546 flue gas Substances 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 6
- 230000009467 reduction Effects 0.000 description 5
- 239000002918 waste heat Substances 0.000 description 5
- 239000004566 building material Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 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 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000002585 base Substances 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000012958 reprocessing Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000001694 spray drying Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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- Treatment Of Sludge (AREA)
Abstract
The utility model provides a device for sludge incineration, include sludge storage device, mummification prilling granulator, vacuum system, dehydration medium recovery unit and burn the system, sludge storage device passes through the pipe connection with mummification prilling, and mummification prilling passes through the pipe connection with vacuum system, and mummification prilling passes through the pipe connection with dehydration medium recovery unit, and dehydration medium recovery unit passes through the pipe connection with mummification prilling, burns the system and passes through the pipe connection with mummification prilling, it is connected with the pipeline of slagging tap to burn the system, and the pipeline of slagging tap is connected with and burns lime-ash phosphorus recovery unit. A device for sludge incineration, the equal accessible system of mud of moisture content 50 ~ 85% handles, high viscosity, high organic matter content mud are handled in the adaptation, require extensively to mechanical impurity content, compare with the medicament mummification and reduce incineration fly ash.
Description
Technical Field
The utility model belongs to sludge treatment deals with the field, especially relates to a device for sludge incineration.
Background
With the gradual perfection of sewage treatment facilities and the upgrading and reconstruction of sewage, the corresponding sludge yield is increased more and more. How to thoroughly solve the problem of sludge treatment while realizing sludge reduction, harmless treatment and stabilization treatment is a common goal pursued by various sludge treatment technologies.
The incineration disposal of the sludge is the most thorough sludge disposal mode at present, but the high water content of the sludge limits the direct incineration of the sludge, and the sludge is generally required to be matched with the earlier stage sludge dehydration to reduce the water content of the sludge so as to enable the sludge to meet the incineration requirement. The conventional sludge dewatering is generally heat drying or medicament plate-and-frame flocculation drying or spray drying by using hot air, steam or electricity as energy sources. When the heat drying mode is adopted, when the moisture content of the sludge is less than 30%, a large amount of dust can be generated, and meanwhile, the drying equipment is seriously scaled, so that not only is the safety risk existed, but also the dust treatment investment is increased, and the treatment cost is increased. The water content of the sludge subjected to flocculation drying by the medicament plate frame can only be reduced to 50-60%, the heat value of the dried sludge is reduced due to the fact that the amount of dry substances of the sludge is increased by adding the medicament, incineration disposal is not facilitated due to the existence of the medicament, and the PH value of the sewage generated during drying dehydration is higher, so that the sewage treatment cost is increased. The spray drying is sensitive to mechanical impurities in the sludge, and a spray head is easy to block and wear.
Disclosure of Invention
In view of this, the utility model aims at providing a device for sludge incineration to solve the medicament and add the dry matter volume that has increased mud and cause mummification back mud calorific value to reduce, and because the existence of medicament is unfavorable for burning the processing, the higher sewage treatment cost that increases of sewage PH value that produces during the mummification dehydration, the problem of mechanical impurity is sensitive in to mud in the spraying mummification, the shower nozzle is blockked up easily and is worn and torn.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a device for sludge incineration, includes sludge storage device, mummification prilling granulator, vacuum system, dehydration medium recovery unit and burns the system, sludge storage device passes through the pipe connection with mummification prilling granulator, and mummification prilling passes through the pipe connection with vacuum system, and mummification prilling passes through the pipe connection with dehydration medium recovery unit, and dehydration medium recovery unit passes through the pipe connection with mummification prilling, burns the system and passes through the pipe connection with mummification prilling, it has slag discharging pipeline to burn the headtotail, and slag discharging pipeline and burning lime-ash phosphorus recovery unit are connected.
Further, mud storage device includes that mud receives pond, mud storage tank and delivery pump, obtains desliming sewage in mud receiving pond, and mud receiving pond passes through the interface 1 of pipeline with the mud storage tank to be connected, and interface 2 of mud storage tank is connected with the interface 1 of delivery pump.
Furthermore, the drying and granulating device is provided with an interface 1 of the drying and granulating device, an interface 2 of the drying and granulating device and an interface 3 of the drying and granulating device, the interface 1 of the drying and granulating device is connected with the interface 2 of the sludge storage tank, the interface 2 of the drying and granulating device is connected with the dehydration medium recovery device through a pipeline, the interface 3 of the drying and granulating device is connected with the interface 1 of the vacuum system, and the drying and granulating device is connected with the circulating water system through a pipeline.
Furthermore, a circulating water system interface 1 and a circulating water system interface 2 are arranged on the circulating water system, the circulating water system interface 1 is connected with a circulating water supply pipe, the circulating water system interface 2 is connected with a circulating water return pipe, and a water removal pipe is arranged on the circulating water system.
Further, the incineration ash phosphorus recovery device is connected with a phosphorus recovery material discharge pipeline and a residual ash discharge pipeline.
Compared with the prior art, a device for sludge incineration have following advantage:
a device for sludge incineration, the equal accessible system of mud of moisture content 50 ~ 85% handles, high viscosity, high organic matter content mud are handled in the adaptation, it is wide to require mechanical impurity content, need not to install meticulous filter, compare with the medicament mummification and reduce incineration fly ash, it is directly reduced to below 20% by 30 ~ 50% to advance mummification mud stove moisture content, dewatering medium is the organic matter that the opening flash point is greater than 150 ℃, can realize cyclic utilization, its high flash point characteristic helps reducing medium consumption reduction treatment cost. The conventional direct or indirect drying mode is characterized in that when the moisture content of sludge is dried to 30%, equipment blockage, coking and serious dust phenomena are easy to occur, and the risk of dust explosion exists, and the moisture content of the sludge is difficult to reduce to below 30% due to the limitation of equipment and dust. The drying process is finished in a liquid medium, no dust exists in the whole process, the serious dust in the conventional drying process is reduced, and the problem of bag pasting of the cloth bag is solved; the sludge dried by the conventional sludge drying mode and the conventional equipment has fine powder, so that the incineration difficulty is increased, the dried sludge produced by the process equipment can be directly granular without reprocessing, no powder exists, no dust can be generated, the process equipment is convenient to transport and incinerate, the incineration disposal difficulty is reduced, the cost is saved, the working environment is improved, and the secondary pollution to the environment is avoided. By taking 80% of water content as a calculation basis, the sludge reduction is more than 90% through the treatment of the process system, and the burning rate of the incinerated ash is less than or equal to 5%, so that the incinerated ash can be used as a building material, and the full-resource utilization of the sludge is realized. The tail gas emission meets the GB/T18485-2014 standard.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic view of a process flow of a device for sludge incineration according to an embodiment of the present invention.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1, a device for sludge incineration, including sludge storage device, mummification prilling granulator, vacuum system, dehydration medium recovery unit and burning system, sludge storage device passes through the pipe connection with mummification prilling granulator, and mummification prilling unit passes through the pipe connection with vacuum system, and mummification prilling unit passes through the pipe connection with dehydration medium recovery unit, and dehydration medium recovery unit passes through the pipe connection with mummification prilling unit, burns the system and passes through the pipe connection with mummification prilling unit, and is further, it is connected with the pipeline of slagging tap to burn the system, and the pipeline of slagging tap is connected with burns lime-ash phosphorus recovery unit.
The sludge storage device comprises a sludge receiving tank, a sludge storage tank and a delivery pump, sludge-removed sewage is obtained in the sludge receiving tank, the sludge receiving tank is connected with an interface 1 of the sludge storage tank through a pipeline, and an interface 2 of the sludge storage tank is connected with an interface 1 of the delivery pump.
The drying granulation device is provided with an interface 1 of the drying granulation device, an interface 2 of the drying granulation device and an interface 3 of the drying granulation device, the interface 1 of the drying granulation device is connected with the interface 2 of the sludge storage tank, the interface 2 of the drying granulation device is connected with the dehydration medium recovery device through a pipeline, the interface 3 of the drying granulation device is connected with the interface 1 of the vacuum system, and the drying granulation device is connected with the circulating water system through a pipeline.
The circulating water system is provided with a connector 1 of the circulating water system and a connector 2 of the circulating water system, the connector 1 of the circulating water system is connected with a circulating water supply pipe, the connector 2 of the circulating water system is connected with a circulating water return pipe, and the circulating water system is provided with a water removal pipe.
The phosphorus recovery device for the incineration ash is connected with a phosphorus recovery material discharge pipeline and a residual ash discharge pipeline.
The method comprises the steps of storing dewatered sludge of a sewage plant in a sludge storage device temporarily, conveying 1 part of sludge into drying and granulating equipment through a conveying pump, conveying 5-15 parts of dewatering medium into the drying and granulating equipment, starting a stirring device at a rotating speed of 5-30r/min to fuse the sludge and the dewatering medium, starting a vacuum system at the same time to enable the vacuum degree in the drying equipment to reach (-0.05) - (-0.09) MPa, heating the material to 50-120 ℃, and staying for 2-30 min. Moisture in the sludge is separated from the sludge, the sludge is separated out of the drying system through a dehydration medium in the form of water vapor, and the moisture enters the sewage treatment system after being cooled. Discharging the sludge and the dehydration medium after drying granulation to a dehydration medium recovery unit, recovering the dehydration medium, refluxing the dehydration medium to drying granulation equipment, conveying the separated dried particles with the particle size of about 0.1-5 mm to an incineration unit for incineration. The incineration unit comprises an incinerator, a spark catcher, a secondary combustion chamber, a wall film waste heat boiler, an SNCR device, a quencher, a dry reactor, a calcium oxide injection device, an active carbon injection device, a quench water injection device, a softened water device, a bag-type dust remover, a spray tower, an induced draft fan, a wet electric dust removal or flue gas heater and a chimney.
The ignition point of the dried particles is about 200-250 ℃, which is 350 ℃ lower than that of the dried sludge prepared by the common method. And (3) igniting the dried particles in a heat storage area of the incinerator, allowing the dried particles to reach the temperature of 500-780 ℃ in a burnout area, staying for 30-60 min, enabling the oxygen content to be 9-11% (V/V), enabling the incineration residues to be brownish red, cooling and storing in a centralized manner. The generated smoke eliminates smoldering carbon particles through a spark catcher, and prevents a hearth structure of the waste heat boiler and protects a bag-type dust collector. And supplementing secondary air into the secondary combustion chamber to enable the temperature of the flue gas to reach 850-1150 ℃, wherein the retention time before the flue gas reaches the wall film waste heat boiler is more than 2.5S. And an SBR denitration agent is sprayed at a flue gas inlet of the waste heat boiler, so that the content of nitrogen oxides in flue gas is reduced. The temperature of the flue gas at the outlet of the waste heat boiler is controlled to be 550-600 ℃, heat energy is fully utilized to generate 0.6-0.8 MPa steam, and the steam is recycled to drying and granulating equipment to provide a heat source for the drying process. The temperature of the flue gas is reduced to 190-200 ℃ in 1S after the flue gas enters the quenching tower, so that the polymerization of dioxin can be reduced, and the emission of dioxin in tail gas is reduced. And spraying lime and active carbon into the dry reactor to remove sulfur and chlorine in the flue gas and further remove dioxin. The flue gas passes through a bag-type dust remover, an alkali liquor spray tower, a draught fan and a wet electric dust removal or flue gas heater and is discharged from a chimney.
A device for sludge incineration, the equal accessible system of mud of moisture content 50 ~ 85% handles, high viscosity, high organic matter content mud are handled in the adaptation, it is wide to require mechanical impurity content, need not to install meticulous filter, compare with the medicament mummification and reduce incineration fly ash, it is directly reduced to below 20% by 30 ~ 50% to advance mummification mud stove moisture content, dewatering medium is the organic matter that the opening flash point is greater than 150 ℃, can realize cyclic utilization, its high flash point characteristic helps reducing medium consumption reduction treatment cost. The conventional direct or indirect drying mode is characterized in that when the moisture content of sludge is dried to 30%, equipment blockage, coking and serious dust phenomena are easy to occur, and the risk of dust explosion exists, and the moisture content of the sludge is difficult to reduce to below 30% due to the limitation of equipment and dust. The drying process is finished in a liquid medium, no dust exists in the whole process, the serious dust in the conventional drying process is reduced, and the problem of bag pasting of the cloth bag is solved; the sludge dried by the conventional sludge drying mode and the conventional equipment has fine powder, so that the incineration difficulty is increased, the dried sludge produced by the process equipment can be directly granular without reprocessing, no powder exists, no dust can be generated, the process equipment is convenient to transport and incinerate, the incineration disposal difficulty is reduced, the cost is saved, the working environment is improved, and the secondary pollution to the environment is avoided. By taking 80% of water content as a calculation basis, the sludge reduction is more than 90% through the treatment of the process system, and the burning rate of the incinerated ash is less than or equal to 5%, so that the incinerated ash can be used as a building material, and the full-resource utilization of the sludge is realized. The tail gas emission meets the GB/T18485-2014 standard.
Example 1:
the method comprises the steps of temporarily storing dewatered sludge produced by a sewage treatment plant in a sludge storage unit, conveying 1 part of the dewatered sludge into a drying granulation system through a plunger pump, simultaneously adding 10 parts of a dewatering medium, starting stirring, controlling the rotating speed at 10r/min, fusing the dewatered sludge and the dewatering medium, starting a vacuum system, controlling the vacuum degree at-0.08 Mpa, simultaneously heating the material to 80 ℃ through steam, conveying the material into a dewatering medium recovery device after staying for 15min, and separating the dewatering medium from sludge particles (2-3mm) subjected to drying forming through a centrifugal machine. The separated dehydration medium flows back to the drying granulation unit equipment for recycling, the total moisture content of the separated dried solid particles is 4.5 percent, the volatile component is 63.56 percent, the dry-base high-position heating value is 21.81MJ, and the total phosphorus content is 4.75 percent. The solid particles are conveyed to an incinerator for incineration, and steam generated after incineration is recycled to a drying granulation unit for material heating. After phosphorus is recovered from the residues after incineration, the residual solid is used as a building material raw material, and the full-resource treatment and disposal are realized.
Example 2:
the method comprises the steps of temporarily storing dewatered sludge produced by a sewage treatment plant in a sludge storage unit, conveying 1 part of the dewatered sludge into a drying granulation system through a shaftless screw, simultaneously adding 15 parts of a dewatering medium, starting stirring, controlling the rotating speed at 20r/min, fusing the dewatered sludge and the dewatering medium, starting a vacuum system, controlling the vacuum degree at-0.07 Mpa, simultaneously heating the material to 100 ℃ through steam, conveying the material into a dewatering medium recovery device after staying for 10min, and separating the dewatering medium from sludge particles (2-3mm) subjected to drying forming through a centrifugal machine. The separated dehydration medium flows back to the drying granulation unit equipment for recycling, the total moisture content of the separated dried solid particles is 10%, the dry-base high-position heating value is 12.35MJ, and the total phosphorus content is 4.35%. The solid particles are conveyed to an incinerator for incineration, and steam generated after incineration is recycled to a drying granulation unit for material heating. After phosphorus is recovered from the residues after incineration, the residual solid is used as a building material raw material, and the full-resource treatment and disposal are realized.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A device for sludge incineration, characterized in that: including sludge storage device, mummification prilling granulator, vacuum system, dehydration medium recovery unit and burning system, sludge storage device passes through the pipe connection with mummification prilling granulator, and mummification prilling passes through the pipe connection with vacuum system, and mummification prilling passes through the pipe connection with dehydration medium recovery unit, and dehydration medium recovery unit passes through the pipe connection with mummification prilling, burns the system and passes through the pipe connection with mummification prilling, it has the pipeline of slagging tap to burn the headtotail, and the pipeline of slagging tap is connected with burning lime-ash phosphorus recovery unit.
2. An apparatus for sludge incineration as claimed in claim 1, characterised in that: the sludge storage device comprises a sludge receiving tank, a sludge storage tank and a delivery pump, sludge-removed sewage is obtained in the sludge receiving tank, the sludge receiving tank is connected with an interface 1 of the sludge storage tank through a pipeline, and an interface 2 of the sludge storage tank is connected with an interface 1 of the delivery pump.
3. An apparatus for sludge incineration as claimed in claim 2, characterised in that: the drying granulation device is provided with an interface 1 of the drying granulation device, an interface 2 of the drying granulation device and an interface 3 of the drying granulation device, the interface 1 of the drying granulation device is connected with the interface 2 of the sludge storage tank, the interface 2 of the drying granulation device is connected with the dehydration medium recovery device through a pipeline, the interface 3 of the drying granulation device is connected with the interface 1 of the vacuum system, and the drying granulation device is connected with the circulating water system through a pipeline.
4. A device for sludge incineration as claimed in claim 3, characterised in that: the circulating water system is provided with a connector 1 of the circulating water system and a connector 2 of the circulating water system, the connector 1 of the circulating water system is connected with a circulating water supply pipe, the connector 2 of the circulating water system is connected with a circulating water return pipe, and the circulating water system is provided with a water removal pipe.
5. An apparatus for sludge incineration as claimed in claim 1, characterised in that: the phosphorus recovery device for the incineration ash is connected with a phosphorus recovery material discharge pipeline and a residual ash discharge pipeline.
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CN202022993701.3U CN214120078U (en) | 2020-12-14 | 2020-12-14 | Device for sludge incineration |
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CN202022993701.3U CN214120078U (en) | 2020-12-14 | 2020-12-14 | Device for sludge incineration |
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CN202022993701.3U Expired - Fee Related CN214120078U (en) | 2020-12-14 | 2020-12-14 | Device for sludge incineration |
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Granted publication date: 20210903 |