CN212377988U - Sludge incineration treatment system - Google Patents
Sludge incineration treatment system Download PDFInfo
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- CN212377988U CN212377988U CN202020686677.6U CN202020686677U CN212377988U CN 212377988 U CN212377988 U CN 212377988U CN 202020686677 U CN202020686677 U CN 202020686677U CN 212377988 U CN212377988 U CN 212377988U
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Abstract
The utility model provides a sludge incineration treatment system relates to the sludge incineration field. The sludge incineration treatment system comprises a fuel storage bin, a fuel buffer bin, a sludge storage bin, a sludge buffer bin, a fluidized bed incinerator and a fuel boiler, wherein a fuel conveying mechanism is arranged between the fuel storage bin and the fuel buffer bin, and a sludge conveying mechanism is arranged between the sludge storage bin and the sludge buffer bin; the sludge buffer bin is provided with a first sludge discharge port and a second sludge discharge port, the fuel buffer bin is provided with a fuel discharge port, a first sludge conveying mechanism is arranged between the first sludge discharge port and a fuel hopper of a fuel boiler, and a mixing and conveying mechanism is arranged between the second sludge discharge port, the fuel discharge port and a feed inlet of the fluidized bed incinerator. Adopt the complementary cooperation of fluidized bed incinerator and fuel boiler to fluidization incineration consumption is leading, even fluidized bed incinerator shuts down can carry out the temporary consumption by fuel boiler and accept mud, ensures the continuation of whole sludge treatment process, avoids the interrupt of handling procedure, guarantees the efficiency that mud incineration handled.
Description
Technical Field
The utility model relates to a sludge incineration technical field especially relates to a sludge incineration processing system.
Background
The sludge incineration is an efficient sludge treatment process, organic matters and other components contained in the sludge are oxidized into ash at high temperature through incineration, wherein the fluidized bed incinerator is widely applied sludge combustion equipment, and a certain proportion of fuel is doped into the sludge, so that the doped sludge has combustion self-sustaining capability.
If the Chinese utility model patent with the publication number of CN203784963U and publication number of 2014.08.20 discloses a sludge circulating fluidized bed incineration system, and specifically discloses a sludge circulating fluidized bed incineration system which comprises a sludge bin, a coal bin, a feed mixer, a circulating fluidized bed incinerator, an igniter, an ash hopper conveyor, a cyclone separator, a waste heat boiler, a turbine generator, an induced draft fan, a dust remover and an adsorber, wherein the bottom of the circulating fluidized bed incinerator is provided with a conical hopper, and the side surface of the conical hopper is provided with the igniter; the top exhaust port of the circulating fluidized bed incinerator is sequentially connected with a cyclone separator, a waste heat boiler, a draught fan, a dust remover and an adsorber. The sludge enters the circulating fluidized bed incinerator from the sludge bin through the feeding mixer, the auxiliary fuel is added through the coal bin, a small amount of high-heat value auxiliary fuel is utilized, the sludge is easy to burn in the circulating fluidized bed, and the waste gas heat is effectively utilized for power generation.
However, in the actual treatment process, various faults may occur in the fluidized bed incinerator, and the fluidized bed incinerator needs to be stopped for maintenance, so that the continuity of the sludge treatment process cannot be ensured, and the sludge incineration treatment efficiency is affected.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, an object of the utility model is to provide a sludge incineration treatment system to solve fluidized bed incinerator and can appear various troubles, need shut down and overhaul the maintenance, can't guarantee the continuation of sludge treatment process, influenced the problem of sludge incineration treatment's efficiency.
The utility model discloses a sludge incineration treatment system gets technical scheme to be:
the sludge incineration treatment system comprises a fuel storage bin, a fuel buffer bin, a sludge storage bin, a sludge buffer bin, a fluidized bed incinerator and a fuel boiler, wherein a fuel conveying mechanism is arranged between the fuel storage bin and the fuel buffer bin, and a sludge conveying mechanism is arranged between the sludge storage bin and the sludge buffer bin; the sludge buffer bin is provided with a first sludge discharge port and a second sludge discharge port, the fuel buffer bin is provided with a fuel discharge port, a first sludge conveying mechanism is arranged between the first sludge discharge port and a fuel hopper of the fuel boiler, and a mixing and conveying mechanism is arranged between the second sludge discharge port and a feed inlet of the fluidized bed incinerator.
Has the advantages that: when the fluidized bed incinerator normally works, the second sludge discharge port and the fuel discharge port are opened, sludge in the sludge buffer bin and fuel in the fuel buffer bin are discharged to the mixing and conveying mechanism, the mixing proportion of the sludge and the fuel can be adjusted according to the discharge speed of the sludge and the discharge speed of the fuel, the sludge and the fuel enter the mixing and conveying mechanism, the uniformly mixed mixture is conveyed to the fluidized bed incinerator through the mixing and conveying mechanism, and fluidized combustion treatment is realized in the fluidized bed incinerator; when the fluidized bed incinerator breaks down and needs to be stopped, the second sludge discharge port and the fuel discharge port are closed, the first sludge discharge port is opened, sludge is discharged from the sludge buffer bin to the first sludge conveying mechanism, and the sludge is conveyed to a fuel hopper of the fuel boiler through the first sludge conveying mechanism; the sludge enters a fuel hopper to be piled and mixed with the fire coal, and the fire coal and the sludge are consumed by utilizing the power generation work of a fuel boiler; the complementary cooperation of the fluidized bed incinerator and the fuel boiler is adopted, the fluidized incineration consumption is taken as the main part, and the fuel boiler can temporarily consume the sludge even if the fluidized bed incinerator is stopped, so that the continuity of the whole sludge treatment process is ensured, the interruption of the sludge treatment process is avoided, and the sludge incineration treatment efficiency is ensured.
Furthermore, a first spiral sludge discharge mechanism is installed at the first sludge discharge port, and the first sludge conveying mechanism is arranged between the discharge side of the first spiral sludge discharge mechanism and the fuel hopper of the fuel boiler.
Further, a second spiral sludge discharge mechanism is installed at the second sludge discharge port, a spiral discharge mechanism is installed at the fuel discharge port, and the mixing and conveying mechanism is installed on the discharge side of the second spiral sludge discharge mechanism, the discharge side of the fuel discharge port and between the fluidized bed incinerator and the fluidized bed incinerator.
Further, mix conveying mechanism is screw conveying mechanism, including carrying casing, driving motor and helicla structure, helicla structure rotates to be installed carry in the casing, just driving motor with the helicla structure transmission is connected.
Furthermore, a crushing mechanism is arranged between the fuel storage bin and the fuel buffer bin.
Further, first mud mechanism that send is band conveyer, band conveyer is located the downside of first spiral mud mechanism of arranging.
Furthermore, the fuel storage bin is a buried fuel storage bin, the fuel conveying mechanism comprises a first bucket elevator, the first bucket elevator is provided with a first loading station located on the lower side and a first unloading station located on the upper side, and the first loading station corresponds to the fuel storage bin.
Further, the sludge storage bin is a buried sludge storage bin, the sludge conveying mechanism comprises a second bucket elevator, the second bucket elevator is provided with a second feeding station located on the lower side and a second discharging station located on the upper side, and the second feeding station corresponds to the sludge storage bin.
Further, the fuel conveying mechanism further comprises a first scraper conveyor, and the first scraper conveyor is arranged between the first unloading station and the feeding hole of the crushing mechanism; the sludge conveying mechanism further comprises a second scraper conveyor, and the second scraper conveyor is arranged between the second unloading station and the feed inlet of the sludge buffer bin.
Further, the first bucket elevator and the second bucket elevator are identical in structure, the first bucket elevator comprises an elevator motor, a rack, a chain wheel, a chain and an elevator bucket, the chain wheel is rotatably installed on the rack, the chain is sleeved on the chain wheel, and the elevator motor is in transmission connection with the chain wheel.
Drawings
FIG. 1 is a schematic view showing a sludge disposal system according to an embodiment 1 of the sludge incineration disposal system of the present invention;
fig. 2 is a partially enlarged schematic view of the sludge surge bin and the fuel surge bin of fig. 1.
In the figure: 1-fuel storage bin, 10-first bucket elevator, 11-first scraper conveyor, 12-crushing mechanism, 2-fuel buffer bin, 20-spiral conveying mechanism, 21-spiral discharging mechanism, 210-fuel discharging port, 3-sludge storage bin, 30-second bucket elevator, 31-second scraper conveyor, 4-sludge buffer bin, 40-belt conveyor, 41-first spiral sludge discharging mechanism, 410-first sludge discharging port, 42-second spiral sludge discharging mechanism, 420-second sludge discharging port, 5-fluidized bed incinerator, 6-fuel boiler and 60-fuel bucket.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The sludge incineration treatment system of the embodiment 1 of the present invention, as shown in fig. 1 and 2, comprises a fuel storage bin 1, a fuel surge bin 2, a sludge storage bin 3, a sludge surge bin 4, a fluidized bed incinerator 5 and a fuel boiler 6, wherein a fuel conveying mechanism is arranged between the fuel storage bin 1 and the fuel surge bin 2, and a sludge conveying mechanism is arranged between the sludge storage bin 3 and the sludge surge bin 1; the sludge buffer bin 4 is provided with a first sludge discharge port 410 and a second sludge discharge port 420, the fuel buffer bin 2 is provided with a fuel discharge port 210, a first sludge conveying mechanism is arranged between the first sludge discharge port 410 and the fuel hopper 60 of the fuel boiler 6, and a mixing and conveying mechanism is arranged between the second sludge discharge port 420, the fuel discharge port 210 and the feed inlet of the fluidized bed incinerator 5.
In the present embodiment, a first spiral sludge discharging mechanism 41 is installed at the first sludge discharging port 410 of the sludge buffer bin 4, and a first sludge feeding mechanism is arranged between the discharging side of the first spiral sludge discharging mechanism 41 and the fuel hopper 60 of the fuel boiler 6. A second spiral sludge discharging mechanism 42 is arranged at the second sludge discharging port 420 of the sludge buffer bin 4, a spiral discharging mechanism 21 is arranged at the fuel discharging port 210 of the fuel buffer bin 2, and a mixing and conveying mechanism is arranged between the discharging side of the second spiral sludge discharging mechanism 42, the discharging side of the fuel discharging port 210 and the fluidized bed incinerator 5. During normal operation, the second spiral sludge discharging mechanism 42 positioned at the second sludge discharging port 420 and the spiral discharging mechanism 21 positioned at the fuel discharging port 210 are started, and simultaneously, the sludge in the sludge buffer bin 4 and the fuel in the fuel buffer bin 2 are discharged to the mixing and conveying mechanism, and the mixing proportion of the sludge and the fuel can be adjusted according to the discharging speed of the sludge and the discharging speed of the fuel, so that when the heat value of the sludge or the fuel fluctuates, the mixing proportion of the sludge and the fuel is adaptively changed, and the heat value stability of the mixture entering the furnace is ensured. The sludge and the fuel enter the mixing and conveying mechanism, the uniformly mixed mixture is conveyed to the fluidized bed incinerator 5 through the mixing and conveying mechanism, and fluidized incineration treatment is realized in the fluidized bed incinerator 5.
When the fluidized bed incinerator 5 breaks down and needs to be shut down, the second spiral sludge discharging mechanism 42 positioned at the second sludge discharging port 420 and the spiral discharging mechanism 21 positioned at the fuel discharging port 210 are closed, the first spiral sludge discharging mechanism 41 positioned at the first sludge discharging port 410 is opened, sludge is discharged from the sludge buffer bin 4 to the first sludge conveying mechanism, and the sludge is further conveyed to the fuel hopper 60 of the fuel boiler 6 through the first sludge conveying mechanism. In this embodiment, the fuel is specifically coal, the sludge enters the fuel hopper 60 to be mixed with the coal, and the coal and the sludge are consumed by the power generation operation of the fuel boiler 6. Adopt the complementary cooperation of fluidized bed incinerator 5 and fuel boiler 6 to fluidization incineration consumption is leading, even fluidized bed incinerator 5 shuts down and can also be carried out the temporary consumption by fuel boiler 6 and accept mud, has ensured the continuation of whole sludge treatment process, avoids the interrupt of sludge treatment process, has guaranteed the efficiency that mud incineration handled.
Specifically, mix conveying mechanism and be screw conveying mechanism 20, screw conveying mechanism 20 is including carrying casing, driving motor and helical structure, and helical structure rotates and installs in carrying the casing, and driving motor and helical structure transmission are connected. The driving motor drives the spiral structure to rotate in the conveying shell, so that the sludge and the fuel in the conveying shell are spirally mixed and spirally conveyed, and the uniformly mixed sludge and fuel are conveyed to the fluidized bed incinerator 5 for fluidized incineration treatment. In order to improve the effect of fuel-incinerated sludge, a crushing mechanism 12 is further provided between the fuel storage silo 1 and the fuel surge bin 2. In this embodiment, the coal in the fuel storage 1 is first crushed in the crushing mechanism 12, so that the coal is crushed into crushed coal particles, thereby improving the combustion effect of the coal in the fluidized bed incinerator 5.
Wherein, the first mud conveying mechanism is a belt conveyor 40, and the belt conveyor 40 is located at the lower side of the first spiral mud discharging mechanism 41. The fuel storage bin 1 is a buried fuel storage bin, the fuel conveying mechanism comprises a first bucket elevator 10, the first bucket elevator 10 is provided with a first feeding station located on the lower side and a first discharging station located on the upper side, and the first feeding station of the first bucket elevator 10 corresponds to the fuel storage bin 1. The sludge storage bin 3 is a buried sludge storage bin, the sludge conveying mechanism comprises a second bucket elevator 30, the second bucket elevator 30 is provided with a second feeding station positioned on the lower side and a second discharging station positioned on the upper side, and the second feeding station of the second bucket elevator 30 corresponds to the sludge storage bin 3. The buried storage bin structure is adopted, the fuel storage bin 1 and the sludge storage bin 3 with larger capacity can be designed, the land occupation area is reduced, the buried storage bin is isolated from the outside air, and the pollution of fuel and sludge to the air environment is avoided.
The fuel conveying mechanism further comprises a first scraper conveyor 11, the first scraper conveyor 11 is arranged between a first unloading station of the first bucket elevator 10 and a feeding hole of the crushing mechanism 12, the first bucket elevator 10 lifts the coal material from the first loading station to the first unloading station, then the elevator bucket overturns to unload the coal material onto the first scraper conveyor 11, and the coal material is conveyed into the crushing mechanism 12 through the first scraper conveyor 11; the sludge conveying mechanism further comprises a second scraper conveyor 31, the second scraper conveyor 31 is arranged between a second unloading station of the second bucket elevator 30 and a feed inlet of the sludge buffering bin 4, the second bucket elevator 30 lifts sludge from the second loading station to the second unloading station, then the elevator bucket overturns to unload the sludge onto the second scraper conveyor 31, and the sludge is conveyed into the sludge buffering bin 4 by the second scraper conveyor 31.
In the present embodiment, the first bucket elevator 10 and the second bucket elevator 30 have the same structure, and the first bucket elevator 10 includes an elevator motor, a frame, a sprocket, a chain, and an elevator bucket. Wherein, the frame extends the setting along vertical direction, installs the sprocket respectively on the lower part of frame and the upper portion of frame to the sprocket on upper portion and the sprocket of lower part all rotate to be installed in the frame, and the chain cup joints on the sprocket, and the lift motor is connected with sprocket drive, and the elevator bucket is installed on the chain. The lifting motor is started to drive the chain wheel to rotate, the chain wheel drives the chain and the lifting bucket to rotate around the rack, the lifting bucket contains fuel when the first feeding station is used, the fuel is unloaded when the lifting bucket operates to the first unloading station on the upper portion, the purpose of continuously and efficiently lifting and conveying the fuel is realized by using the first bucket elevator 10, and correspondingly, the purpose of continuously and efficiently lifting and conveying sludge is realized by using the second bucket elevator 30.
The utility model discloses a sludge incineration processing system's other concrete embodiment, in order to simplify fuel conveying mechanism's structure, can replace first belt conveyor with first bucket elevator and first scraper conveyor, set up first belt conveyor between fuel storage bin and fuel surge bin, only through a first belt conveyor alright shift the fuel and carry to broken mechanism in, simple structure and construction cost are lower. Correspondingly, in other embodiments, the second bucket elevator and the second scraper conveyor can be replaced by a second belt conveying mechanism, and the sludge can be transferred and conveyed into the sludge buffer bin through only one second belt conveying mechanism.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. A sludge incineration treatment system is characterized by comprising a fuel storage bin, a fuel buffer bin, a sludge storage bin, a sludge buffer bin, a fluidized bed incinerator and a fuel boiler, wherein a fuel conveying mechanism is arranged between the fuel storage bin and the fuel buffer bin, and a sludge conveying mechanism is arranged between the sludge storage bin and the sludge buffer bin; the sludge buffer bin is provided with a first sludge discharge port and a second sludge discharge port, the fuel buffer bin is provided with a fuel discharge port, a first sludge conveying mechanism is arranged between the first sludge discharge port and a fuel hopper of the fuel boiler, and a mixing and conveying mechanism is arranged between the second sludge discharge port and a feed inlet of the fluidized bed incinerator.
2. The sludge incineration disposal system according to claim 1, wherein a first spiral sludge discharge mechanism is installed at the first sludge discharge port, and the first sludge feeding mechanism is disposed between a discharge side of the first spiral sludge discharge mechanism and a fuel hopper of the fuel boiler.
3. The sludge incineration disposal system according to claim 2, wherein a second spiral sludge discharge mechanism is installed at the second sludge discharge port, a spiral discharge mechanism is installed at the fuel discharge port, and the mixing and conveying mechanism is installed between a discharge side of the second spiral sludge discharge mechanism, a discharge side of the fuel discharge port, and the fluidized bed incinerator.
4. The sludge incineration disposal system of claim 3, wherein the mixing and conveying mechanism is a screw conveying mechanism comprising a conveying shell, a driving motor and a screw structure, the screw structure is rotatably mounted in the conveying shell, and the driving motor is in transmission connection with the screw structure.
5. The sludge incineration disposal system according to claim 1, wherein a crushing mechanism is further provided between the fuel storage bin and the fuel surge bin.
6. The sludge incineration disposal system according to claim 2, wherein the first sludge feeding mechanism is a belt conveyor, and the belt conveyor is located at a lower side of the first spiral sludge discharge mechanism.
7. The sludge incineration disposal system according to claim 1, wherein the fuel storage is an underground fuel storage, and the fuel transfer mechanism includes a first bucket elevator having a first loading station at a lower side and a first unloading station at an upper side, the first loading station corresponding to the fuel storage.
8. The sludge incineration treatment system of claim 7, wherein the sludge storage bin is an underground sludge storage bin, and the sludge conveying mechanism includes a second bucket elevator having a second loading station at a lower side and a second unloading station at an upper side, the second loading station corresponding to the sludge storage bin.
9. The sludge incineration disposal system of claim 8, wherein the fuel conveying mechanism further comprises a first scraper conveyor, a crushing mechanism is further disposed between the fuel storage bin and the fuel buffer bin, and the first scraper conveyor is disposed between the first discharge station and a feed inlet of the crushing mechanism; the sludge conveying mechanism further comprises a second scraper conveyor, and the second scraper conveyor is arranged between the second unloading station and the feed inlet of the sludge buffer bin.
10. The sludge incineration treatment system of claim 9, wherein the first bucket elevator and the second bucket elevator are identical in structure, the first bucket elevator comprises an elevator motor, a frame, a chain wheel, a chain and an elevator bucket, the chain wheel is rotatably mounted on the frame, the chain is sleeved on the chain wheel, and the elevator motor is in transmission connection with the chain wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020686677.6U CN212377988U (en) | 2020-04-28 | 2020-04-28 | Sludge incineration treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020686677.6U CN212377988U (en) | 2020-04-28 | 2020-04-28 | Sludge incineration treatment system |
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| Publication Number | Publication Date |
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| CN212377988U true CN212377988U (en) | 2021-01-19 |
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| CN202020686677.6U Active CN212377988U (en) | 2020-04-28 | 2020-04-28 | Sludge incineration treatment system |
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| CN (1) | CN212377988U (en) |
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