CN213771780U - Municipal sludge treatment system - Google Patents
Municipal sludge treatment system Download PDFInfo
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- CN213771780U CN213771780U CN202022690005.5U CN202022690005U CN213771780U CN 213771780 U CN213771780 U CN 213771780U CN 202022690005 U CN202022690005 U CN 202022690005U CN 213771780 U CN213771780 U CN 213771780U
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- sludge
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- mud
- pyrolysis
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- 239000010802 sludge Substances 0.000 title claims abstract description 175
- 238000000197 pyrolysis Methods 0.000 claims abstract description 50
- 238000003763 carbonization Methods 0.000 claims abstract description 43
- 230000018044 dehydration Effects 0.000 claims abstract description 38
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 238000004064 recycling Methods 0.000 claims abstract description 13
- 238000006011 modification reaction Methods 0.000 claims description 17
- 238000010298 pulverizing process Methods 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000001125 extrusion Methods 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 239000008187 granular material Substances 0.000 claims description 10
- 230000004048 modification Effects 0.000 claims description 10
- 238000012986 modification Methods 0.000 claims description 10
- 239000003607 modifier Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 238000010000 carbonizing Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 230000002457 bidirectional effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 17
- 229910052799 carbon Inorganic materials 0.000 abstract description 5
- 239000002245 particle Substances 0.000 description 8
- 239000004567 concrete Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000010865 sewage Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 230000001877 deodorizing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a municipal administration sludge treatment system, municipal administration sludge treatment system is including the mud storage unit (1), the mechanical dehydration unit of mud (2), transmission unit (3) and the pyrolysis carbonization unit (5) are smashed to mud that set gradually, moisture mud can be stored in mud storage unit (1), the mechanical dehydration unit of mud (2) can be with this moisture mud mechanical dehydration and form dehydration mud, transmission unit (3) can carry this dehydration mud to the pyrolysis carbonization unit (5) is smashed to mud, the pyrolysis carbonization unit (5) is smashed to mud can smash this dehydration mud, pyrolysis and carbonization. The municipal sludge treatment system has the advantages of stable and reliable process, green and low-carbon process and high sludge recycling degree.
Description
Technical Field
The utility model relates to a sewage treatment technical field, specifically a municipal administration sludge treatment system.
Background
Municipal sludge is a byproduct in the municipal sewage treatment process, and the sludge production is increased along with the increase of the sewage discharge amount in China. How to properly and safely treat and dispose sludge with huge yield and complex components to reduce, make the sludge harmless and recycle the sludge is a great concern in the environmental field. At present, the municipal sludge is mainly treated by landfill, composting and incineration, and the technologies have the defects of land resource occupation, high heavy metal antibiotic pollution risk and high operation energy consumption.
SUMMERY OF THE UTILITY MODEL
In order to handle municipal sludge, the utility model provides a municipal sludge treatment system, this municipal sludge treatment system have that technology is reliable and stable, the green low carbon of process, advantage that mud resourceful degree is high.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a municipal administration sludge treatment system, including the mud storage unit that sets gradually, mud mechanical dehydration unit, the pyrolysis carbonization unit is smashed to transmission unit and mud, and mud storage unit can store moisture mud, and mud mechanical dehydration unit can be with this moisture mud mechanical dehydration and form dehydration mud, and transmission unit can carry this dehydration mud to mud smashes pyrolysis carbonization unit, and mud smashes pyrolysis carbonization unit can smash this dehydration mud, pyrolysis and carbonization.
The sludge storage unit contains sludge storage device, grab bucket crane and the first conveyor belt that set gradually, and sludge storage device can store moisture mud, and the grab bucket crane can be with in the sludge storage device moisture mud is transported to first conveyor belt, and first conveyor belt can with moisture mud is carried to mud mechanical dehydration unit.
The mechanical sludge dewatering unit comprises a sludge modification reaction device and a continuous extrusion dewatering device which are sequentially arranged, the sludge modification reaction device is connected with a modifier adding device, the modifier adding device can add a sludge modification medicament into the sludge modification reaction device, the water-containing sludge and the sludge modification medicament can be mixed and reacted in the sludge modification reaction device, and the continuous extrusion dewatering device extrudes and dewaters the mixture of the water-containing sludge and the sludge modification medicament.
Municipal administration sludge processing system still includes mud off-line storage unit, and transmission unit is two-way transmission device, and transmission unit can carry this dehydration mud to mud crushing pyrolysis carbonization unit or mud off-line storage unit, and transmission unit can also carry this dehydration mud in the mud off-line storage unit to mud crushing pyrolysis carbonization unit.
The sludge crushing pyrolysis carbonization unit contains a crushing granulator and a drying pyrolysis carbonization machine which are sequentially arranged, the crushing granulator can crush and process the dewatered sludge into particles, and the drying pyrolysis carbonization machine can pyrolyze and carbonize the granular dewatered sludge into carbon particles.
A closed screw conveyor is arranged between the crushing granulator and the drying pyrolysis carbonizer, and the closed screw conveyor can convey granular dewatered sludge to the drying pyrolysis carbonizer.
Municipal administration sludge treatment system still includes mud resourceization unit, and this dehydration mud after the mud resourceization unit can process pyrolysis carbonization, and mud resourceization unit is mixing stirring device.
The utility model has the advantages that: the municipal sludge treatment system has the advantages of stable and reliable process, green and low-carbon process and high sludge recycling degree.
Drawings
The accompanying drawings, which form a part of the present application, 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 and not to limit the invention.
FIG. 1 is a schematic view of a municipal sludge treatment system according to the present invention.
Fig. 2 is a schematic view of a sludge storage unit.
Figure 3 is a schematic view of a mechanical sludge dewatering unit.
Fig. 4 is a schematic view of a transfer unit site.
FIG. 5 is a schematic flow diagram of a municipal sludge treatment process according to the invention.
1. A sludge storage unit; 2. a mechanical sludge dewatering unit; 3. a transmission unit; 4. a sludge off-line storage unit; 5. a sludge crushing, pyrolysis and carbonization unit; 6. a sludge recycling unit;
11. a sludge storage device; 12. a grab crane; 13. a first conveyor belt;
21. a sludge modification reaction device; 22. a modifier adding device; 23. a continuous extrusion dehydration device;
51. a crushing granulator; 52. a hermetic screw conveyor; 53. drying, pyrolysis and carbonization machine.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The utility model provides a municipal administration sludge treatment system, including the mud storage unit 1 that sets gradually, mud mechanical dehydration unit 2, transmission unit 3 and the pyrolysis carbonization unit 5 of smashing of mud, mud storage unit 1 can store moisture mud, mud mechanical dehydration unit 2 can be with this moisture mud mechanical dehydration and form dehydration mud, transmission unit 3 can carry this dehydration mud to mud smashing pyrolysis carbonization unit 5, mud smashing pyrolysis carbonization unit 5 can smash this dehydration mud, pyrolysis and carbonization, as shown in figure 1.
The utility model discloses in, moisture mud gets into mud through mud storage unit 1, mud mechanical dehydration unit 2 and transmission unit 3 in proper order and smashes pyrolysis carbonization unit 5, and mud is smashed pyrolysis carbonization unit 5 and can be smashed, pyrolysis and carbonization with this dehydration mud, forms the carbonization granule, and this carbonization granule can regard as the raw materials to reuse. Therefore, the municipal sludge treatment system has the advantages of stable and reliable process, green and low carbon process and high sludge recycling degree.
In this embodiment, the sludge storage unit 1 comprises a sludge storage device 11, a grab crane 12 and a first conveying belt 13 which are arranged in sequence, the sludge storage device 11 can store the hydrous sludge, the grab crane 12 can transfer the hydrous sludge in the sludge storage device 11 to the first conveying belt 13, and the first conveying belt 13 can convey the hydrous sludge to the mechanical sludge dewatering unit 2, as shown in fig. 2.
The method comprises the steps of discharging the water-containing sludge (with a water content of about 80%) from a municipal sewage plant into a sludge storage device 11 for storage, periodically transferring the water-containing sludge to a first conveying belt 13 by a grab bucket crane 12 arranged at a high position, and conveying the water-containing sludge to a mechanical sludge dewatering unit 2 by the first conveying belt 13. The sludge storage device 11 may be a storage tank or a storage bin, the sludge storage device 11 is a negative pressure sealing structure, the sludge storage device 11 is provided with an air deodorizing device, and the air deodorizing device, the grab crane 12 and the first conveying belt 13 may all be prior art products.
In this embodiment, the mechanical sludge dewatering unit 2 includes a sludge modification reaction device 21 and a continuous extrusion dewatering device 23, which are sequentially arranged, the sludge modification reaction device 21 is connected to a modifier adding device 22, the modifier adding device 22 can add a sludge modification agent into the sludge modification reaction device 21, the hydrous sludge and the sludge modification agent can be mixed and reacted in the sludge modification reaction device 21, and the continuous extrusion dewatering device 23 extrudes and dewaters the mixture of the hydrous sludge and the sludge modification agent, as shown in fig. 3.
The method comprises the following steps that firstly, water-containing sludge from a sludge storage unit 1 enters a feeding hopper of a sludge modification reaction device 21, meanwhile, a modifying agent adding device 22 adds a sludge modifying agent (generally hydrated lime) into the water-containing sludge, the water-containing sludge and the sludge modifying agent are fully and uniformly mixed and reacted in the sludge modification reaction device 21, then the mixture is conveyed to a continuous extrusion dehydration device 23 through a conveying belt, and the continuous extrusion dehydration device 23 applies high-pressure intensive extrusion acting force to the mixture of the water-containing sludge and the sludge modifying agent, so that the mixture is dehydrated, and the dehydrated sludge is formed (the water content is reduced from 80% to about 60%).
Wherein, the sludge modification reaction device 21, the modifier adding device 22 and the continuous extrusion dehydration device 23 can adopt products in the prior art. For example, the sludge modification reaction device 21 may be an existing mixing and stirring device, the modifier adding device 22 may be a hopper, and the continuous extrusion dehydration device 23 may be a continuous screw extrusion dehydrator.
In this embodiment, municipal sludge treatment system still includes mud off-line storage unit 4, and transmission unit 3 is two-way transmission device, and this two-way transmission device can adopt prior art product, and transmission unit 3 can carry this dehydration mud to mud crushing pyrolysis carbonization unit 5 or mud off-line storage unit 4, and mud off-line storage unit 4 can be holding pond or bin, and transmission unit 3 can also carry this dehydration mud in the mud off-line storage unit 4 to mud crushing pyrolysis carbonization unit 5. The offline sludge storage unit 4 can also convey the dewatered sludge to the sludge crushing, pyrolysis and carbonization unit 5 through a second conveying belt.
The positive rotation of the belt of the transmission unit 3 is a system continuous operation working condition, and the transmission unit 3 can convey the dewatered sludge processed by the mechanical sludge dewatering unit 2 to the subsequent sludge crushing, pyrolysis and carbonization unit 5. The belt of the transmission unit 3 rotates reversely to be in a discontinuous operation working condition or an accident state of the system, and the transmission unit 3 can convey the dewatered sludge to the sludge offline storage unit 4. The offline sludge storage unit 4 can be flexibly adjusted according to the production conditions of the subsequent sludge pulverizing, pyrolyzing and carbonizing units 5, i.e., whether to convey the dewatered sludge to the sludge pulverizing, pyrolyzing and carbonizing units 5 is determined, as shown in fig. 4.
In the present embodiment, the sludge pulverizing pyrolysis carbonization unit 5 includes a pulverizing granulator 51 and a drying pyrolysis carbonizer 53 which are arranged in this order, the pulverizing granulator 51 being capable of pulverizing and processing the dewatered sludge into granules, and the drying pyrolysis carbonizer 53 being capable of pyrolytically carbonizing the dewatered sludge in granules into carbon granules (i.e., carbonized granules). Both the pulverizing granulator 51 and the drying pyrolysis carbonizer 53 may employ prior art products.
In this embodiment, a closed screw conveyor 52 is provided between the pulverizing granulator 51 and the drying pyrolysis carbonizer 53, and the closed screw conveyor 52 can convey the dewatered sludge in the form of granules to the drying pyrolysis carbonizer 53. The dewatered sludge is first fed to a pulverization granulator 51, and the pulverization granulator 51 sufficiently pulverizes and granulates the dewatered sludge. And then the mixture is uniformly fed into the upper part of a drying pyrolysis carbonization machine 53 through a closed screw conveyer 52, and the closed screw conveyer 52 can also adopt the product of the prior art.
In this embodiment, the municipal sludge treatment system further includes a sludge recycling unit 6, the sludge recycling unit 6 can process the dewatered sludge (i.e., carbonized particles) after pyrolysis and carbonization, and the sludge recycling unit 6 can be a mixing and stirring device. Finally, the formed carbonized particles are recycled as concrete additives, papermaking additives and other raw materials of building materials. For example, the carbonized particles may be mixed with cement, sand, or the like in the sludge reclamation unit 6 to be concrete.
A municipal sludge treatment method using the above municipal sludge treatment system is described below, and the municipal sludge treatment method includes the steps of:
step 1, storing the water-containing sludge in a sludge storage unit 1;
step 2, mechanically dehydrating the water-containing sludge by a sludge mechanical dehydration unit 2 to form dehydrated sludge;
step 3, the transmission unit 3 transmits the dewatered sludge to a sludge crushing, pyrolysis and carbonization unit 5;
and 4, the sludge crushing, pyrolyzing and carbonizing unit 5 sequentially crushes, pyrolyzes and carbonizes the dewatered sludge and forms carbonized particles as shown in fig. 5.
The municipal sludge treatment system further comprises a sludge recycling unit 6, and the municipal sludge treatment method further comprises the following steps:
and 5, preparing the carbonized particles into concrete by a sludge recycling unit 6. That is, the sludge recycling unit 6 may mix the carbonized particles as a concrete additive with cement, sand, stone, or the like to form concrete.
The above description is only for the specific embodiments of the present invention, and the scope of the present invention can not be limited by the embodiments, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should still belong to the scope covered by the present patent. In addition, the utility model provides an between technical feature and the technical feature, between technical feature and technical scheme, technical scheme and the technical scheme all can the independent assortment use.
Claims (7)
1. The utility model provides a municipal administration sludge treatment system, a serial communication port, municipal administration sludge treatment system is including the mud storage unit (1), mud machinery dehydration unit (2), transmission unit (3) and the pyrolysis carbonization unit (5) are smashed to mud that set gradually, mud storage unit (1) can store moisture mud, mud machinery dehydration unit (2) can be with this moisture mud machinery dehydration and form dehydration mud, transmission unit (3) can carry this dehydration mud to mud smashing pyrolysis carbonization unit (5), mud smashing pyrolysis carbonization unit (5) can smash this dehydration mud, pyrolysis and carbonization.
2. The municipal sludge treatment system according to claim 1, wherein the sludge storage unit (1) comprises a sludge storage device (11), a grab crane (12) and a first conveyor belt (13) arranged in this order, the sludge storage device (11) being capable of storing the aqueous sludge, the grab crane (12) being capable of transferring the aqueous sludge in the sludge storage device (11) to the first conveyor belt (13), the first conveyor belt (13) being capable of conveying the aqueous sludge to the mechanical sludge dewatering unit (2).
3. The municipal sludge treatment system according to claim 1, wherein the mechanical sludge dewatering unit (2) comprises a sludge modification reaction device (21) and a continuous extrusion dewatering device (23) which are sequentially arranged, the sludge modification reaction device (21) is connected with a modifier adding device (22), the modifier adding device (22) can add a sludge modification agent into the sludge modification reaction device (21), the water-containing sludge and the sludge modification agent can be mixed and reacted in the sludge modification reaction device (21), and the continuous extrusion dewatering device (23) extrudes and dewaters the mixture of the water-containing sludge and the sludge modification agent.
4. The municipal sludge treatment system according to claim 1, further comprising an offline sludge storage unit (4), wherein the transmission unit (3) is a bidirectional transmission device, the transmission unit (3) can transmit the dewatered sludge to the sludge pulverizing, pyrolysis and carbonization unit (5) or the offline sludge storage unit (4), and the transmission unit (3) can transmit the dewatered sludge in the offline sludge storage unit (4) to the sludge pulverizing, pyrolysis and carbonization unit (5).
5. The municipal sludge treatment system according to claim 1, wherein the sludge pulverizing pyrolysis carbonization unit (5) comprises a pulverizing granulator (51) and a drying pyrolysis carbonization machine (53) arranged in this order, the pulverizing granulator (51) being capable of pulverizing and processing the dewatered sludge into granules, and the drying pyrolysis carbonization machine (53) being capable of pyrolyzing and carbonizing the dewatered sludge in granules into carbon granules.
6. The municipal sludge treatment system according to claim 5, wherein a closed screw conveyor (52) is provided between the crushing granulator (51) and the drying pyrolysis carbonizer (53), and the closed screw conveyor (52) is capable of conveying the dewatered sludge in the form of granules to the drying pyrolysis carbonizer (53).
7. The municipal sludge treatment system according to claim 1, further comprising a sludge recycling unit (6), wherein the sludge recycling unit (6) is capable of processing the dewatered sludge after pyrolysis and carbonization, and the sludge recycling unit (6) is a mixing and stirring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022690005.5U CN213771780U (en) | 2020-11-19 | 2020-11-19 | Municipal sludge treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022690005.5U CN213771780U (en) | 2020-11-19 | 2020-11-19 | Municipal sludge treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN213771780U true CN213771780U (en) | 2021-07-23 |
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| CN202022690005.5U Active CN213771780U (en) | 2020-11-19 | 2020-11-19 | Municipal sludge treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112321119A (en) * | 2020-11-19 | 2021-02-05 | 中冶京诚工程技术有限公司 | Municipal sludge treatment system and municipal sludge treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112321119A (en) * | 2020-11-19 | 2021-02-05 | 中冶京诚工程技术有限公司 | Municipal sludge treatment system and municipal sludge treatment method |
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