CN215403719U - Sludge carbonization and conditioning system - Google Patents
Sludge carbonization and conditioning system Download PDFInfo
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- CN215403719U CN215403719U CN202121409622.1U CN202121409622U CN215403719U CN 215403719 U CN215403719 U CN 215403719U CN 202121409622 U CN202121409622 U CN 202121409622U CN 215403719 U CN215403719 U CN 215403719U
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- sludge
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- dehydration
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- 239000010802 sludge Substances 0.000 title claims abstract description 84
- 238000003763 carbonization Methods 0.000 title claims abstract description 59
- 230000003750 conditioning effect Effects 0.000 title claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 51
- 208000005156 Dehydration Diseases 0.000 claims abstract description 40
- 230000018044 dehydration Effects 0.000 claims abstract description 40
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 40
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000001035 drying Methods 0.000 claims abstract description 26
- 238000003825 pressing Methods 0.000 claims abstract description 22
- 239000007789 gas Substances 0.000 claims description 40
- 238000007599 discharging Methods 0.000 claims description 18
- 239000000428 dust Substances 0.000 claims description 13
- 238000010000 carbonizing Methods 0.000 claims description 9
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000002912 waste gas Substances 0.000 claims description 5
- 239000008394 flocculating agent Substances 0.000 claims description 4
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 20
- 238000004064 recycling Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000001599 direct drying Methods 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 238000007602 hot air drying Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
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Classifications
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- 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
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- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a sludge carbonization and conditioning system which comprises a dehydration component for conditioning and filter-pressing wet sludge to be treated, a drying component for further drying the sludge after dehydration treatment, a carbonization component for preparing sludge carbon powder and conditioning the sludge, and a tail gas treatment component for treating tail gas. The utility model forms a whole set of recycling process which takes the sludge carbon powder as a conditioner to condition, filter press and dehydrate the sludge and then takes the dehydrated mud cake as a carbonization material to carry out carbonization, and efficiently realizes recycling of the sludge.
Description
Technical Field
The utility model relates to a sludge recycling treatment system, in particular to a sludge carbonizing and conditioning system, and belongs to the field of sludge treatment.
Background
With the acceleration of the urbanization process in China, the treatment mode of sewage and sludge generated by the life and industrial production of residents in cities is constantly changed. In the early development of sludge treatment technology in China, landfill treatment is mainly used as a main technical means, in recent years, due to the increase of environmental protection pressure, sludge reduction, recycling and harmless treatment gradually become the current main technical targets, and therefore, the industry also continuously provides a plurality of technical schemes about sludge treatment systems and processes.
CN202010922453.5 proposes a sludge filter pressing method using sludge carbon as a filter aid to further reduce the water content of a filter cake in the sludge dewatering process, but the proposal only refers to the filter pressing treatment process of the sludge, and does not give corresponding technical hint on the subsequent treatment mode of the filter cake.
CN201310112617.8 proposes a high-temperature carbonization system and a carbonization process for sludge, the scheme relates to aspects of dehydration sludge drying, carbonization, combustion deodorization treatment of carbonization gas by a carbonization heating furnace and the like, and although the scheme can reduce the energy consumption of sludge treatment, the scheme still has the problems of relatively large tail gas emission, easy generation of difficult-to-treat substances such as dioxin in the carbonization process and the like in the actual application process.
In addition, no matter which treatment scheme in the prior art, a plurality of places capable of being improved exist in the resource circulation angle, so that a brand-new sludge carbonization and conditioning system is provided under the existing technical conditions, the resource recycling of the sludge is better realized, and the problem to be solved by technical personnel in the prior art is also formed.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention provides a system for carbonizing and conditioning sludge, which comprises the following components.
A sludge carbonization and conditioning system comprises a dehydration component for conditioning and filter-pressing wet sludge to be treated, a drying component for further drying the sludge after dehydration treatment, a carbonization component for preparing sludge coal and providing sludge carbon powder for conditioning the sludge, and a tail gas treatment component for treating tail gas;
the feed end of dehydration subassembly is connected with outside charging equipment, the discharge end of dehydration subassembly with the material feed end of mummification subassembly is connected, the material discharge end of mummification subassembly with the material feed end of carbomorphism subassembly is connected, the gas outlet of carbomorphism subassembly with the gas inlet pipe connection of mummification subassembly, the gas outlet of mummification subassembly with the gas inlet pipe connection of tail gas treatment subassembly.
Preferably, the dehydration component at least comprises a carbon powder adding conditioning unit and a filter pressing dehydration unit;
the first feeding end of the carbon powder adding conditioning unit serves as the feeding end of the dehydration assembly and is connected with external feeding equipment, the discharging end of the carbon powder adding conditioning unit is connected with the feeding end of the filter pressing dehydration unit, and the discharging end of the filter pressing dehydration unit serves as the discharging end of the dehydration assembly and is connected with the material feeding end of the drying assembly.
Preferably, the carbon powder conditioning unit consists of a carbon powder adding device and a flocculating agent adding device; the filter-pressing dehydration unit consists of a filter press and a crusher.
Preferably, the drying assembly at least comprises a drying machine, a dust remover, a condenser and a heat exchanger;
the material feed end of mummification machine conduct the material feed end of mummification subassembly, with the discharge end of filter-pressing dehydration unit is connected, the material discharge end of mummification machine with the material feed end of dust remover is connected, the gas outlet of dust remover with the inlet pipeline of condenser is connected, the export of condenser with the first inlet pipeline of heat exchanger is connected, the first export of heat exchanger with the gas inlet pipeline of mummification machine is connected, the second outlet pipeline of heat exchanger is connected to the tail gas treatment subassembly.
Preferably, a circulating fan for driving the gas to flow is further arranged on a pipeline between the condenser and the heat exchanger.
Preferably, the carbonization component at least comprises a granulator, a carbonization furnace, a pulverizer and a burner;
the material feeding end of the granulator is used as the material feeding end of the carbonization component and is connected with the material discharging end of the dust remover, the material discharging end of the granulator is connected with the material feeding end of the carbonization furnace, the first outlet of the carbonization furnace is connected with the material feeding end of the pulverizer, the material discharging end of the pulverizer is connected with the second feeding end of the powdered carbon adding conditioning unit, the second outlet of the carbonization furnace is connected with the material feeding end of the burner through a pipeline, and the outlet of the burner is connected with the second inlet pipeline of the heat exchanger.
Preferably, in the running state of the carbonization assembly, the carbonization temperature in the carbonization furnace is 550-650 ℃.
Preferably, a high-temperature resistant fan for driving gas to flow is further arranged on a pipeline between the carbonization furnace and the burner; a valve used for releasing the waste gas in the drying assembly and realizing further combustion treatment is also arranged on a pipeline between the combustor and the heat exchanger; the combustor is also connected with a blower for supplementing air in the combustion chamber through a pipeline.
Compared with the prior art, the utility model has the advantages that:
the sludge carbonization and conditioning system forms a whole set of resource recycling process which takes the sludge carbon powder as a conditioner to condition, filter press and dehydrate the sludge and then takes the dehydrated mud cake as a carbonization material to carry out carbonization, and efficiently realizes the resource recycling of the sludge.
Meanwhile, the utility model has reasonable and reliable structural design, and each sludge treatment enterprise can obtain the complete technical scheme of the utility model by transforming and combining the existing equipment, the system application cost is relatively low, and the energy-saving effect is excellent and the process flow is clear in the use process, thus being very suitable for large-scale popularization.
In addition, the utility model also provides reference for other related problems in the same field, can be expanded and extended based on the reference, is applied to related schemes of other sludge treatment systems and methods in the field, and has wide application prospect.
The following detailed description of the embodiments of the present invention is provided in connection with the accompanying drawings for the purpose of facilitating understanding and understanding of the technical solutions of the present invention.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
Detailed Description
As shown in figure 1, the utility model discloses a sludge carbonization and conditioning system, which adopts the following specific scheme.
A sludge carbonization and conditioning system comprises a dehydration component for conditioning and filter-pressing wet sludge to be treated, a drying component for further drying the sludge after dehydration treatment, a carbonization component for preparing sludge coal and providing sludge carbon powder for conditioning the sludge, and a tail gas treatment component (not shown in the figure) for treating tail gas.
With regard to the relation of connection between the subassembly, the feed end of dehydration subassembly is connected with outside charging equipment, the discharge end of dehydration subassembly with the material feed end of mummification subassembly is connected, the material discharge end of mummification subassembly with the material feed end of carbomorphism subassembly is connected, the gas outlet of carbomorphism subassembly with the gas inlet pipe connection of mummification subassembly, the gas outlet of mummification subassembly with the gas inlet pipe connection of tail gas treatment subassembly.
The dehydration component at least comprises a carbon powder adding conditioning unit 1 and a filter pressing dehydration unit 2.
The first feeding end of the carbon powder adding conditioning unit 1 serves as the feeding end of the dehydration assembly and is connected with external feeding equipment, the discharging end of the carbon powder adding conditioning unit 1 is connected with the feeding end of the filter pressing dehydration unit 2, and the discharging end of the filter pressing dehydration unit 2 serves as the discharging end of the dehydration assembly and is connected with the material feeding end of the drying assembly.
In the scheme, the carbon powder adding conditioning unit 1 consists of a carbon powder adding device and a flocculating agent adding device; the filter-pressing dehydration unit 2 consists of a filter press and a crusher.
The drying assembly at least comprises a drying machine 3, a dust remover 4, a condenser 5 and a heat exchanger 6.
The material feed end of desiccator 3 conduct the material feed end of mummification subassembly, with the discharge end of filter-pressing dehydration unit 2 is connected, the material discharge end of desiccator 3 with the material feed end of dust remover 4 is connected, the gas outlet of dust remover 4 with the inlet line of condenser 5 is connected, the export of condenser 5 with the first inlet line of heat exchanger 6 is connected, the first export of heat exchanger 6 with the gas inlet line of mummification machine 3 is connected, the second outlet line of heat exchanger 6 is connected to the tail gas treatment subassembly. And a circulating fan 7 for driving gas to flow is also arranged on a pipeline between the condenser 5 and the heat exchanger 6.
The carbonization component at least comprises a granulator 8, a carbonization furnace 9, a pulverizer 10 and a burner 12.
The material feeding end of the granulator 8 serves as the material feeding end of the carbonization component and is connected with the material discharging end of the dust remover 4, the material discharging end of the granulator 8 is connected with the material feeding end of the carbonization furnace 9, the first outlet of the carbonization furnace 9 is connected with the material feeding end of the crusher 10, the material discharging end of the crusher 10 is connected with the second feeding end of the carbon powder adding conditioning unit 1, the second outlet of the carbonization furnace 9 is connected with the material feeding end of the burner 12 through a pipeline, and the outlet of the burner 12 is connected with the second inlet pipeline of the heat exchanger 6.
Because the carbonization temperature in the carbonization furnace 9 is 550-650 ℃ in the operation state of the carbonization component, in order to ensure the actual use effect of the system, a high-temperature resistant fan 11 for driving gas to flow is also arranged on a pipeline between the carbonization furnace 9 and the burner 12.
A valve 13 for releasing the waste gas in the drying assembly and realizing further combustion treatment is also arranged on a pipeline between the combustor 12 and the heat exchanger 6; the combustor 12 is further piped with a blower 14 for supplementing the air in the combustion chamber.
In the practical application process of the utility model, wet sludge (with the water content of 95-99%) to be treated generated by a sewage plant is pumped to the carbon powder adding conditioning unit 1, only a certain amount (60-100%) of carbon powder and a flocculating agent are needed to be added, the wet sludge can be dehydrated to the water content of 40-50% by the filter pressing dehydration unit 2, and the obtained sludge cake is crushed and enters the drier 3. Because the drier 3 adopts a direct drying mode, the hot air drying efficiency is high, the moisture content of the dried sludge can reach 15-20%, the dried sludge can be dedusted, collected and directly granulated and carbonized to obtain sludge carbon particles, the sludge carbon particles are further ground into carbon powder, the carbon powder returns to a sludge conditioning end to condition wet sludge, and the cyclic resource utilization of the sludge is realized. The refractory matters such as tar and pyroligneous acid generated by the carbonization of the sludge are directly conveyed to the combustor 12 through the high-temperature resistant fan 11, and the heat generated by the incineration is subjected to heat exchange with the sludge drying gas through the heat exchanger 6. The gas of the drying component continuously circulates in the system through the heat exchanger 6 and the circulating fan 7, and is finally released to the combustor 12 through the valve 13 for combustion treatment.
In conclusion, the sludge carbonization and conditioning system forms a whole set of resource recycling process which takes the sludge carbon powder as a conditioner to condition, filter press and dehydrate the sludge and then takes the dehydrated mud cake as a carbonization material to carry out carbonization, and efficiently realizes the resource recycling of the sludge.
Specifically, the sludge carbonization furnace adopted in the utility model can fully utilize the heat energy of the sludge, and only energy is added when the furnace is ignited. The difficult-to-treat matters such as tar, pyroligneous acid and the like generated by sludge carbonization can be directly burnt at high temperature, the treatment difficulty is reduced, the dried waste gas can also directly enter a combustor, and the generated heat is directly used for sludge drying, so that the aim of saving energy is fulfilled. In the application process of the utility model, the odor circulates in a closed way in the whole system, and hardly generates dioxin-resistant substances in the carbonization process, thereby greatly reducing the difficulty of waste gas treatment. The sludge drying machine adopts a direct drying mode, the hot air drying efficiency is high, the moisture content of the dried sludge is low, the sludge drying machine can remove dust and collect dry sludge particles to directly granulate and carbonize, and the process flow is simple.
Meanwhile, the utility model has reasonable and reliable structural design, and each sludge treatment enterprise can obtain the complete technical scheme of the utility model by transforming and combining the existing equipment, the system application cost is relatively low, and the energy-saving effect is excellent and the process flow is clear in the use process, thus being very suitable for large-scale popularization.
In addition, the utility model also provides reference for other related problems in the same field, can be expanded and extended based on the reference, is applied to related schemes of other sludge treatment systems and methods in the field, and has wide application prospect.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Finally, it should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should integrate the description, and the technical solutions in the embodiments can be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a mud carbomorphism and conditioning system which characterized in that: the device comprises a dehydration component for conditioning and filter-pressing wet sludge to be treated, a drying component for further drying the sludge after dehydration treatment, a carbonization component for preparing sludge carbon powder and providing sludge carbon powder for conditioning the sludge, and a tail gas treatment component for treating tail gas;
the feed end of dehydration subassembly is connected with outside charging equipment, the discharge end of dehydration subassembly with the material feed end of mummification subassembly is connected, the material discharge end of mummification subassembly with the material feed end of carbomorphism subassembly is connected, the gas outlet of carbomorphism subassembly with the gas inlet pipe connection of mummification subassembly, the gas outlet of mummification subassembly with the gas inlet pipe connection of tail gas treatment subassembly.
2. The system for carbonizing and conditioning sludge according to claim 1, characterized in that: the dehydration component at least comprises a carbon powder adding conditioning unit (1) and a filter pressing dehydration unit (2);
the first feeding end of the powdered carbon adding conditioning unit (1) serves as the feeding end of the dehydration assembly and is connected with external feeding equipment, the discharging end of the powdered carbon adding conditioning unit (1) is connected with the feeding end of the filter pressing dehydration unit (2), and the discharging end of the filter pressing dehydration unit (2) serves as the discharging end of the dehydration assembly and is connected with the material feeding end of the drying assembly.
3. The system for carbonizing and conditioning sludge according to claim 2, characterized in that: the carbon powder adding conditioning unit (1) consists of a carbon powder adding device and a flocculating agent adding device; the filter-pressing dehydration unit (2) consists of a filter press and a crusher.
4. The system for carbonizing and conditioning sludge according to claim 2, characterized in that: the drying component at least comprises a drying machine (3), a dust remover (4), a condenser (5) and a heat exchanger (6);
the material feed end of mummification machine (3) is regarded as the material feed end of mummification subassembly, with the discharge end of filter-pressing dehydration unit (2) is connected, the material discharge end of mummification machine (3) with the material feed end of dust remover (4) is connected, the gas outlet of dust remover (4) with the inlet pipeline of condenser (5) is connected, the export of condenser (5) with the first inlet pipeline of heat exchanger (6) is connected, the first export of heat exchanger (6) with the gas inlet pipeline of mummification machine (3) is connected, the second outlet pipeline of heat exchanger (6) is connected to the tail gas treatment subassembly.
5. The system for carbonizing and conditioning sludge according to claim 4, characterized in that: and a circulating fan (7) for driving gas to flow is also arranged on a pipeline between the condenser (5) and the heat exchanger (6).
6. The system for carbonizing and conditioning sludge according to claim 4, characterized in that: the carbonization component at least comprises a granulator (8), a carbonization furnace (9), a crusher (10) and a burner (12);
the material feeding end of the granulator (8) is used as the material feeding end of the carbonization component and is connected with the material discharging end of the dust remover (4), the material discharging end of the granulator (8) is connected with the material feeding end of the carbonization furnace (9), a first outlet of the carbonization furnace (9) is connected with the material feeding end of the crusher (10), the material discharging end of the crusher (10) is connected with a second feeding end of the carbon powder adding conditioning unit (1), a second outlet of the carbonization furnace (9) is connected with the material feeding end of the combustor (12) through a pipeline, and an outlet of the combustor (12) is connected with a second inlet pipeline of the heat exchanger (6).
7. The system for carbonizing and conditioning sludge according to claim 6, wherein: and in the running state of the carbonization component, the carbonization temperature in the carbonization furnace (9) is 550-650 ℃.
8. The system for carbonizing and conditioning sludge according to claim 6, wherein: a high-temperature resistant fan (11) for driving gas to flow is also arranged on a pipeline between the carbonization furnace (9) and the combustor (12); a valve (13) used for releasing waste gas in the drying component and realizing further combustion treatment is also arranged on a pipeline between the combustor (12) and the heat exchanger (6); the combustor (12) is further connected with a blower (14) for supplementing air in the combustion chamber through pipelines.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121409622.1U CN215403719U (en) | 2021-06-24 | 2021-06-24 | Sludge carbonization and conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121409622.1U CN215403719U (en) | 2021-06-24 | 2021-06-24 | Sludge carbonization and conditioning system |
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| CN215403719U true CN215403719U (en) | 2022-01-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114368890A (en) * | 2022-01-28 | 2022-04-19 | 玉林师范学院 | A sludge carbonizer device |
| CN118684403A (en) * | 2024-07-25 | 2024-09-24 | 广西北投环保水务集团有限公司 | Sludge pyrolysis assembly and sludge pyrolysis system |
-
2021
- 2021-06-24 CN CN202121409622.1U patent/CN215403719U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114368890A (en) * | 2022-01-28 | 2022-04-19 | 玉林师范学院 | A sludge carbonizer device |
| CN118684403A (en) * | 2024-07-25 | 2024-09-24 | 广西北投环保水务集团有限公司 | Sludge pyrolysis assembly and sludge pyrolysis system |
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