CN114702227A - Solid waste cement kiln is processing system in coordination - Google Patents
Solid waste cement kiln is processing system in coordination Download PDFInfo
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- CN114702227A CN114702227A CN202210356304.6A CN202210356304A CN114702227A CN 114702227 A CN114702227 A CN 114702227A CN 202210356304 A CN202210356304 A CN 202210356304A CN 114702227 A CN114702227 A CN 114702227A
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- sludge
- inner bag
- solid waste
- heat exchanger
- cement kiln
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- 239000004568 cement Substances 0.000 title claims abstract description 57
- 239000002910 solid waste Substances 0.000 title claims abstract description 22
- 239000010802 sludge Substances 0.000 claims abstract description 108
- 238000001035 drying Methods 0.000 claims abstract description 34
- 238000002955 isolation Methods 0.000 claims abstract description 8
- 239000012528 membrane Substances 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims abstract 2
- 239000007789 gas Substances 0.000 claims description 27
- 239000010865 sewage Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 239000000112 cooling gas Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 10
- 239000003546 flue gas Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002918 waste heat Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 4
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000011278 co-treatment Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical group 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
- B02C18/0092—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage for waste water or for garbage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/10—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged above container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
- B02C2201/063—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage for waste water or sewage
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a solid waste cement kiln coprocessing system which comprises a sludge storage bin, a sludge dryer, a conveyor with a cover, a cement kiln, a kiln tail heat exchanger and a gas heat exchanger, wherein the sludge dryer comprises a shell, a liner and a heat conduction pipe, the liner is arranged in the shell, an isolation cavity is formed between the shell and the liner, a feeding pipe penetrating through the liner is inserted into the top of the shell, a crushing assembly is arranged in the liner, liquid leakage holes are uniformly formed in the bottom of the liner, and a permeable membrane layer is arranged at the bottom of the inner wall of the liner; the sludge drying device achieves the purpose of drying sludge by heating the sludge in the inner container uninterruptedly through the heat conduction pipe, and obtains powdery sludge by carrying out uninterrupted crushing treatment on the sludge through the crushing assembly, so that the utilization rate of heat is improved in the sludge drying process, and the sludge drying effect is better through the drying rate of the sludge.
Description
Technical Field
The invention relates to the technical field of cement kiln co-processing, in particular to a solid waste cement kiln co-processing system.
Background
The solid waste which meets or is pretreated and meets the requirement of entering the kiln is put into the cement kiln by the aid of the cement kiln cooperative treatment, and the harmless treatment process of the solid waste is realized while cement clinker production is carried out; the co-disposal of solid waste should ensure that cement production and pollution control are not adversely affected; the solid waste entering the kiln has relatively stable chemical composition and physical characteristics, and the content and the adding amount of heavy metals, chlorine, fluorine, sulfur and other harmful elements meet the requirements of environmental protection technical specifications for the co-treatment of the solid waste in the HJ 662-2013 cement kiln.
Aiming at the characteristics of low heat value, large ash content and difficult drying of the household garbage, other incineration disposal processes are adopted, and the operation cost is higher. The cement kiln is utilized to cooperatively dispose the household garbage, so that the fixed investment and the operation cost can be obviously reduced, and the social benefit is higher.
The sludge of the sewage treatment plant is a product after sewage treatment, and is an extremely complex heterogeneous body consisting of organic debris, bacterial thallus, inorganic particles, colloid and the like; the sludge has the main characteristics of high water content (up to more than 99 percent), high organic matter content, easy decomposition and stink generation, fine particles, small specific gravity and colloidal liquid state; it is a thick matter between liquid and solid; the sludge has high organic matter content, is easy to rot and has strong odor, and contains parasitic ova, pathogenic microorganisms, heavy metals such as copper, zinc, chromium, mercury and the like, salts, polychlorinated biphenyl, kadsura-kaempferia, radioactive nuclide and other refractory toxic and harmful substances, and secondary pollution can be caused if the sludge is not properly treated and is randomly discharged;
the existing cement kiln is cooperatively treated, when sludge is treated, a process of directly drying the sludge by using cement kiln smoke is generally adopted, waste heat smoke at the tail of the cement kiln is adopted as a heat source for sludge drying, but in the sludge drying process, the heat utilization rate is lower, so that the drying rate of the sludge is low, and the sludge drying effect is poor.
Disclosure of Invention
The invention aims to provide a system for the cooperative treatment of solid waste by a cement kiln, which aims to solve the problems that the conventional process for the cooperative treatment of the cement kiln directly dries sludge by using cement kiln flue gas and the waste heat flue gas at the tail of the cement kiln is used as a heat source for drying the sludge when the sludge is treated by the conventional cooperative treatment of the cement kiln, but the heat utilization rate is low in the sludge drying process, so that the drying rate of the sludge is low and the sludge drying effect is poor.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a solid waste cement kiln deals with system in coordination, includes sludge storage silo, sludge dryer, takes cover conveyer, cement cellar, cellar for storing things tail heat exchanger and gas heat exchanger, sludge dryer includes shell, inner bag and heat pipe, the inside inner bag that is provided with of shell, be formed with the isolation chamber between shell and the inner bag, it runs through to peg graft at the shell top the inlet pipe of inner bag, the inside crushing unit that is provided with of inner bag, the weeping hole has evenly been seted up to the inner bag bottom, the bottom of inner bag inner wall is provided with the rete that permeates water, the even winding of inner bag outer wall has the heat pipe, heat pipe one end with gas heat exchanger output fixed connection, the heat pipe other end with gas heat exchanger input fixed connection.
The sludge storage bin is connected with the sludge dryer through a pipeline, the sludge dryer is provided with a conveyer with a cover between the cement cellars, the cement cellars are connected with the cellar tail heat exchangers through pipelines, and the cellar tail heat exchangers are provided with gas heat exchangers between the sludge dryer.
And a sludge pump is arranged on a pipeline between the sludge storage bin and the sludge dryer, and sludge in the sludge storage bin is conveyed into the sludge dryer through the sludge pump.
Wherein, the conveyer with the cover adopts a stainless steel screw conveyer.
And a condensing tower is arranged between the gas heat exchanger and the cement kiln and is used for cooling gas generated by the gas heat exchanger.
The first output end of the condensing tower is provided with a sewage discharge pipe, and a conduit for conveying non-condensable gas is arranged between the second output end of the condensing tower and the cement cellar.
Wherein, crushing unit includes driving motor, pivot and broken sword, driving motor fixed mounting be in the shell top, driving motor output fixed mounting runs through the pivot of inner bag, the pivot outer wall is located the even fixed mounting in one side of inner bag inside has broken sword.
Wherein, the bottom of one side of the shell is inserted with a sewage discharge pipe which penetrates through the isolation cavity.
Wherein, the permeable membrane layer is made of non-woven fabrics.
Wherein, the central department of inner bag bottom is pegged graft and is had to run through the row of shell expects the pipe, arrange the last fixed mounting of material pipe and have control valve.
Compared with the prior art, the invention has the beneficial effects that:
the invention transmits the heat of the waste heat flue gas at the tail of the cement kiln to a medium (water) through a gas heat exchanger, then the medium absorbs the heat and is conveyed into a heat conduction pipe, the sludge in the inner container is continuously heated through the heat conduction pipe, the sludge is crushed through the crushing assembly during the sludge heating process, the sewage in the sludge is discharged through a leakage hole, and the sludge in the inner container is continuously heated through the heat conduction pipe, so that the purpose of drying the sludge is achieved, and the sludge is continuously crushed through the crushing assembly, so that powdery sludge is obtained, therefore, in the sludge drying process, the heat utilization rate is improved, the sludge drying rate is increased, and the sludge drying effect is better.
Drawings
FIG. 1 is a schematic view of the system flow structure of the present invention;
FIG. 2 is a schematic sectional view of the sludge dryer of the present invention;
FIG. 3 is a schematic view of the sectional structure of the inner container of the sludge dryer according to the present invention.
In FIGS. 2-3: 10. a housing; 11. a feed pipe; 12. a drive motor; 13. a rotating shaft; 14. a crushing knife; 15. a blow-off pipe; 16. an isolation chamber; 20. an inner container; 21. a weep hole; 22. a water permeable membrane layer; 23. a discharge pipe; 24. a control valve; 30. a heat conducting pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a solid waste cement kiln deals with system in coordination, includes sludge storage silo, sludge dryer, takes the cover conveyer, cement cellar, cellar for storing things tail heat exchanger and gas heat exchanger, through the pipe connection between sludge storage silo and the sludge dryer, is provided with between sludge dryer and the cement cellar and takes the cover conveyer, through the pipe connection between cement cellar for storing things and the cellar for storing things tail heat exchanger, is provided with gas heat exchanger between cellar for storing things tail heat exchanger and the sludge dryer.
Wherein, be provided with the sludge pump on the pipeline between sludge storage silo and the sludge drying ware, the mud in the sludge storage silo passes through the sludge pump and carries to the sludge drying ware in.
Wherein, adopt the mud transport vechicle to carry mud in the mud storage silo, then carry mud in the sludge dryer through the sludge pump, cement cellar kiln tail used heat flue gas passes through the pipeline and carries in the cellar for storing things tail heat exchanger simultaneously, conduct the heat in the flue gas to medium (water) through cellar for storing things tail heat exchanger and gas heat exchanger, then absorb thermal medium and continuously improve the heat to the sludge dryer, thereby carry out drying process to the inside mud of sludge dryer, then the mud powder after the drying process is carried the cement cellar for the addition material of cement production through taking the cover conveyer, reach resource cyclic utilization's purpose.
The conveyor with the cover adopts a stainless steel screw conveyor, a conveying pipeline of the stainless steel screw conveyor is closed, sludge powder is conveyed through the stainless steel screw conveyor, and the sludge powder is prevented from flying in the conveying process.
Wherein, be provided with the condensing tower between gas heat exchanger and the cement cellar, the condensing tower is used for cooling the gas that gas heat exchanger produced, the first output of condensing tower is provided with sewage discharge pipe, be provided with the pipe that is used for carrying non-condensable gas between condensing tower second output and the cement cellar, waste flue gas that the in-process that conducts the heat in the flue gas to in-process production passes through the pipeline and arranges the condensing tower in, through condensing tower with waste flue gas condensation, the waste water that the condensation produced passes through sewage discharge pipe and discharges, and non-condensable gas that can not condense passes through the pipe and carries and continuously utilize in the cement cellar.
Wherein, sludge dryer includes shell 10, inner bag 20 and heat pipe 30, the inside inner bag 20 that is provided with of shell 10, be formed with between shell 10 and the inner bag 20 and keep apart the chamber 16, it has the inlet pipe 11 that runs through inner bag 20 to peg graft at shell 10 top, the inside crushing unit that is provided with of inner bag 20, weeping hole 21 has evenly been seted up to inner bag 20 bottom, the bottom of inner bag 20 inner wall is provided with ventilative rete 22, the even winding of inner bag 20 outer wall has heat pipe 30, heat pipe 30 one end and gas heat exchanger output fixed connection, the heat pipe 30 other end and gas heat exchanger input fixed connection.
Wherein, conduct the heat of cement cellar kiln tail waste heat flue gas for medium (water) through gas heat exchanger, then the medium absorbs the heat and carries in the heat pipe 30, and the sludge pump passes through inlet pipe 11 with mud transport in the inner bag 20, the inside mud of inner bag 20 lasts the heating process through heat pipe 30, in the in-process of mud heating, carry out crushing treatment to mud through crushing subassembly simultaneously, sewage in the mud is discharged through weeping hole 21, and uninterruptedly heat the inside mud of inner bag 20 through heat pipe 30, thereby reach the purpose of dry sludge, and carry out crushing treatment to mud through crushing subassembly is incessant, thereby obtain powdered mud, like this in the mud mummification in-process, thermal utilization ratio has been improved, the mummification rate of mud has been passed through.
Wherein, crushing unit includes driving motor 12, pivot 13 and broken sword 14, driving motor 12 fixed mounting is at the 10 tops of shell, driving motor 12 output end fixed mounting has the pivot 13 that runs through inner bag 20, the even fixed mounting in one side that the 13 outer walls in pivot are located inner bag 20 inside has broken sword 14, carry the inner bag 20 back with mud, open driving motor 12 simultaneously, then driving motor 12 drives broken sword 14 through pivot 13 and is inside rotatory at inner bag 20, stir mud through broken sword 14, crushing treatment, avoid mud to solidify the caking in inner bag 20, and can break into powdered with the mud after the drying.
Wherein, the bottom of shell 10 one side is pegged graft and is had the blow off pipe 15 that runs through isolation chamber 16, and the back is fallen to isolation chamber 16 through weeping hole 21 to sewage in the mud, can be through the sewage discharge pipe 15 with the sewage discharge in the isolation chamber 16.
Wherein, the permeable membrane layer 22 is made of non-woven fabrics, and the permeable membrane layer 22 can separate sludge from the weeping holes 21, thereby avoiding the sludge from blocking the weeping holes 21.
Wherein, the center department of inner bag 20 bottom is pegged graft and is had the row of material pipe 23 that runs through shell 10, and the tip of arranging material pipe 23 runs through water film layer 22, row goes out fixed mounting and has control valve 24 on the material pipe 23, when needs carry out drying process to mud, close manual closing control valve 24, thereby the passageway that will arrange material pipe 23 is closed, then carry out drying process to mud in inner bag 20 inside, treat that mud drying accomplishes the back, manually open control valve 24, thereby the passageway that will arrange material pipe 23 is opened, then the inside powdered mud of inner bag 20 is discharged through arranging material pipe 23, and carry to the cement cellar for storing things through the conveyer of taking the cover.
The working principle is as follows: when the sludge drying device is used, the sludge is conveyed into the sludge storage bin by the sludge transport vehicle, then the heat of the waste heat flue gas at the tail of the cement kiln is transferred to a medium (water) by the gas heat exchanger, then the medium absorbs the heat and then is conveyed into the heat conduction pipe 30, the sludge is conveyed into the inner container 20 by the sludge pump through the feeding pipe 11, the medium which flows in the heat conduction pipe 30 and absorbs the heat continuously supplies heat to the inner container 20, so that the sludge in the inner container 20 is continuously heated, the sludge is crushed by the crushing assembly during the sludge heating process, the sewage in the sludge is discharged through the liquid leakage hole 21, and the sludge in the inner container 20 is continuously heated by the heat conduction pipe 30, so that the purpose of drying the sludge is achieved, the sludge is continuously crushed by the crushing assembly, and powdered sludge is obtained, therefore, in the sludge drying process, the utilization rate of heat is improved, the drying rate of sludge is passed, and then the dried sludge powder is conveyed to a cement pit through a belt cover conveyor for adding materials for cement production, so that the aim of resource recycling is fulfilled.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a solid waste cement kiln is processing system in coordination, includes sludge storage silo, sludge dryer, takes cover conveyer, cement cellar, cellar for storing things tail heat exchanger and gas heat exchanger, its characterized in that: sludge dryer includes shell (10), inner bag (20) and heat pipe (30), inside inner bag (20) that is provided with of shell (10), be formed with between shell (10) and inner bag (20) and keep apart chamber (16), shell (10) top is pegged graft and is run through inlet pipe (11) of inner bag (20), the inside crushing unit that is provided with of inner bag (20), weeping hole (21) have evenly been seted up to inner bag (20) bottom, the bottom of inner bag (20) inner wall is provided with permeable membrane layer (22), the even winding of inner bag (20) outer wall has heat pipe (30), heat pipe (30) one end with gas heat exchanger output fixed connection, heat pipe (30) the other end with gas heat exchanger input fixed connection.
2. The solid waste cement kiln co-disposal system of claim 1, wherein: the sludge storage bin with through the pipe connection between the sludge drying ware, the sludge drying ware with be provided with between the cement cellar and take the cover conveyer, the cement cellar with through the pipe connection between the cellar for storing things tail heat exchanger, cellar for storing things tail heat exchanger with be provided with gas heat exchanger between the sludge drying ware.
3. The solid waste cement kiln co-disposal system of claim 2, wherein: and a sludge pump is arranged on a pipeline between the sludge storage bin and the sludge dryer, and sludge in the sludge storage bin is conveyed into the sludge dryer through the sludge pump.
4. The solid waste cement kiln co-disposal system of claim 2, wherein: the conveyor with the cover is a stainless steel spiral conveyor.
5. The solid waste cement kiln co-disposal system of claim 1, wherein: and a condensing tower is arranged between the gas heat exchanger and the cement pit and is used for cooling gas generated by the gas heat exchanger.
6. The solid waste cement kiln co-disposal system of claim 5, wherein: the first output end of the condensing tower is provided with a sewage discharge pipe, and a conduit for conveying non-condensable gas is arranged between the second output end of the condensing tower and the cement pit.
7. The solid waste cement kiln co-disposal system of claim 1, wherein: crushing unit includes driving motor (12), pivot (13) and broken sword (14), driving motor (12) fixed mounting be in shell (10) top, driving motor (12) output fixed mounting runs through pivot (13) of inner bag (20), pivot (13) outer wall is located the inside even fixed mounting in one side of inner bag (20) has broken sword (14).
8. The solid waste cement kiln co-disposal system of claim 1, wherein: a sewage discharge pipe (15) penetrating through the isolation cavity (16) is inserted into the bottom of one side of the shell (10).
9. The solid waste cement kiln co-disposal system of claim 1, wherein: the permeable membrane layer (22) is made of non-woven fabrics.
10. The solid waste cement kiln co-disposal system of claim 1, wherein: the center department of inner bag (20) bottom is pegged graft and is had a run through row material pipe (23) of shell (10), fixed mounting has control valve (24) on row material pipe (23).
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115338228A (en) * | 2022-07-13 | 2022-11-15 | 北京建筑材料科学研究总院有限公司 | Material mixing and drying equipment, solid waste pretreatment system and method |
CN116002948A (en) * | 2023-01-05 | 2023-04-25 | 西安建筑科技大学 | Comprehensive energy-saving and emission-reducing system for co-processing waste of cement kiln |
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2022
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CN202744434U (en) * | 2012-07-23 | 2013-02-20 | 北京水泥厂有限责任公司 | Treatment device for sludge drying |
CN107640882A (en) * | 2017-11-15 | 2018-01-30 | 长沙翼希网络科技有限公司 | A kind of Combined industry sludge drying mechanism |
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CN213133447U (en) * | 2020-07-17 | 2021-05-07 | 沈阳福康农牧科技有限公司 | Raw materials reducing mechanism for feed processing |
CN213179065U (en) * | 2020-09-16 | 2021-05-11 | 广州市净水有限公司 | Pressing and drying device for municipal sludge |
CN214076982U (en) * | 2020-11-27 | 2021-08-31 | 重庆三颗草科技有限公司 | Cement kiln is preprocessing device of handling sludge waste in coordination |
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