CN111412478B - Household garbage incinerator for cooperatively treating dried sludge and treatment method thereof - Google Patents

Household garbage incinerator for cooperatively treating dried sludge and treatment method thereof Download PDF

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Publication number
CN111412478B
CN111412478B CN202010280252.XA CN202010280252A CN111412478B CN 111412478 B CN111412478 B CN 111412478B CN 202010280252 A CN202010280252 A CN 202010280252A CN 111412478 B CN111412478 B CN 111412478B
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incinerator
sludge
feeding
treatment system
particles
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CN111412478A (en
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邹庐泉
乐俊超
储夏
王荣建
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Shanghai Dongshitang Renewable Energy Co Ltd
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Shanghai Dongshitang Renewable Energy Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/033—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment comminuting or crushing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44—Details; Accessories
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44—Details; Accessories
    • F23G5/442—Waste feed arrangements
    • F23G5/444—Waste feed arrangements for solid waste
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/50—Control or safety arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2205/00—Waste feed arrangements
    • F23G2205/12—Waste feed arrangements using conveyors
    • F23G2205/121—Screw conveyor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2205/00—Waste feed arrangements
    • F23G2205/16—Waste feed arrangements using chute
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2207/00—Control
    • F23G2207/20—Waste supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2207/00—Control
    • F23G2207/50—Cooling fluid supply

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)

Abstract

The invention discloses a household garbage incinerator for cooperatively treating dried sludge, which comprises an incinerator and a dried sludge treatment system, wherein the dried sludge treatment system puts sludge particles into the incinerator so that the sludge particles and garbage in the incinerator are incinerated together, the dried sludge treatment system comprises a control device, and the control device controls the amount of sludge fed into the incinerator when the dried sludge treatment system puts the sludge particles into the incinerator. In addition, the invention also discloses a treatment method adopting the household garbage incinerator. This domestic waste incinerator can realize the control of mud income stove volume when getting into the burning furnace to the mud granule, ensures that the mud granule has sufficient combustion temperature and burn out time in the burning furnace to realize better burning characteristic.

Description

Household garbage incinerator for cooperatively treating dried sludge and treatment method thereof
Technical Field
The invention relates to the field of garbage treatment, in particular to an incinerator and a treatment method thereof.
Background
Along with upgrading of the sewage treatment plant and continuous deepening of the sewage treatment technology, the sludge yield is greatly increased, the types and the quantity of toxic and harmful substances concentrated in the sludge are increased, and 80% of the sludge does not meet the stabilization requirement. The sludge has complex, unstable, easy to be decomposed and odorous components, and contains toxic and harmful substances such as heavy metals, parasitic ova, pathogenic microorganisms and organic matters, so that the effective treatment of the sludge is urgently needed.
Since the incineration method has advantages of reduction, speediness, harmlessness, energy regeneration, and the like, the incineration method is often used for treating sludge. After drying the sludge, sending the dried sludge to a granulator for granulation, sending the granulated sludge to an incinerator for cooperative treatment, and condensing the moisture evaporated by the dryer and then sending the condensed moisture to a landfill leachate treatment system for treatment.
Sludge incineration is a process for sludge treatment, which utilizes an incinerator to heat and dry dewatered sludge and then oxidize organic matters in the sludge at high temperature to make the sludge become a small amount of ash. However, the powdery sludge incineration directly causes serious contamination of the incinerator and the waste heat furnace, and in severe cases, the individual waste incineration plants need to stop the incinerator for coke cleaning and ash cleaning every month when the powdery sludge incineration is mixed with the serious contamination, so that the economic benefit landslide of waste incineration power generation is directly caused. Therefore, in order to make the sludge more suitable for the combustion requirements of the garbage incinerator, after dehydration and drying, a granulation system is adopted to granulate the sludge, the contamination and coking of the incinerator and the waste heat boiler can be greatly reduced through sludge granulation incineration, and the problem of shutdown ash removal of the boiler caused by sludge powder incineration is relieved.
In addition, the sludge granulation can reduce dust pollution caused by dumping sludge dry powder in a garbage pit, and avoid equipment corrosion, garbage hanging and other faults caused by dust pollution caused by acid and alkali corrosive substances contained in sludge dust. And the sludge particles enter the incinerator from the garbage pit along with the garbage from the garbage hopper, and after passing through the drying section, the combustion 1 section, the combustion 2 section and the burnout section, the sludge particles after combustion are crushed again due to mutual extrusion of the particles and the particles as well as the particles and the garbage due to overlong combustion time, so that fly ash is formed again, the fly ash is brought to a hearth and a heated surface by primary air, so that sticky dirt is caused, and the sludge mixed combustion amount is further limited.
Based on the above, it is desirable to obtain a domestic garbage incinerator, which can realize the control of the optimal feeding point of sludge particles of dried sludge when the dried sludge is fed into the incinerator, increase the blending combustion proportion of the sludge particles, reduce the cost of transporting the sludge outside, and improve the sludge co-disposal power plant.
Disclosure of Invention
One of the objectives of the present invention is to provide a domestic garbage incinerator for disposing dried sludge cooperatively, which can control the charging amount of the dried sludge into the incinerator when the dried sludge is charged into the incinerator, grasp the optimal charging point of the sludge granules, increase the blending combustion ratio of the sludge granules, further reduce the incineration time of the sludge granules in the incinerator, and ensure the burn-off rate of the sludge granules.
In order to achieve the purpose, the invention provides a household garbage incinerator for cooperatively treating dried sludge, which comprises an incinerator and a dried sludge treatment system, wherein the dried sludge treatment system puts sludge particles into the incinerator so that the sludge particles and garbage in the incinerator are incinerated together, and the dried sludge treatment system comprises a control device which controls the charging amount of the sludge when the dried sludge treatment system puts the sludge particles into the incinerator.
According to the technical scheme, the sludge particles are put into the incinerator through the dried sludge treatment system, the feeding amount of the sludge when the dried sludge treatment system wants to put the sludge particles into the incinerator is controlled by the control device, so that the optimal feeding point of the sludge particles is obtained, the blending combustion proportion of the sludge particles is increased, the time for burning the sludge particles in the incinerator is further shortened, and the burnout rate of the sludge particles is ensured.
Further, in the household garbage incinerator of the present invention, the dried sludge treatment system comprises:
the feeding device comprises a feeding hole, a feeding monitoring device and a first outlet;
the first conveying device is arranged between the feeding device and the bucket elevator so as to convey sludge particles at the first outlet into the bucket elevator;
one end of the bucket elevator is connected with the first conveying device, and the other end of the bucket elevator is connected with the buffer bin through a pipeline;
the buffer bin comprises a buffer bin monitoring device, and the buffer bin is provided with a second outlet;
the second conveying device is arranged between the buffer bin and the feeding device and is used for conveying the sludge particles at the second outlet to the feeding device;
the feeding device comprises a scraper and a plurality of feeding ports, and the feeding ports are connected with the incinerator pipeline;
wherein, the control device is respectively connected with the first conveying device, the second conveying device and the scraper conveyor.
Furthermore, in the household garbage incinerator, the inlet end of the pipeline of the feeding port is provided with the blanking baffle, a gap is formed between one end of the blanking baffle and the side wall of the pipeline, so that sludge particles can pass through the gap, and the other end of the blanking baffle is fixed with the side wall of the pipeline to form a stop surface.
Further, in the household garbage incinerator, the dried sludge treatment system comprises a fan, and the fan is connected with the feeding device and/or the feeding device through a pipeline.
Furthermore, in the household garbage incinerator, the control system further comprises a dust removal device, and a dust removal port of the dust removal device is connected with the feeding port of the feeding device.
Further, in the household garbage incinerator, the first conveying device is an auger conveyor, and/or the second conveying device is an auger conveyor.
Further, in the household garbage incinerator of the present invention, the control device includes a PLC.
Further, in the household garbage incinerator, the feeding monitoring device comprises a material level meter, and/or the buffer bin monitoring device comprises a material level meter.
It should be noted that, in the technical solution of the present invention, the level gauge may be a radar level gauge, a rotation-resistant level gauge, or other level gauges known to those skilled in the art.
In addition, it should be noted that, in some embodiments, a first gate valve may be provided at the first outlet, and the valve opening of the first gate valve is 40-50%.
In other embodiments, the second outlet is provided with a second gate valve having a valve opening of 30-35%.
Furthermore, in the dried sludge treatment system, the number of the material feeding ports is five.
Accordingly, another object of the present invention is to provide a method for treating a domestic garbage incinerator, which can effectively control the charging point and charging amount of sludge particles when the sludge particles are charged into the incinerator, so as to improve the co-combustion performance of the sludge particles in the incinerator.
In order to achieve the above object, the present invention further provides a treatment method using the above domestic garbage incinerator, comprising the steps of: the control system of the dried sludge treatment system controls the amount of sludge fed into the incinerator by the dried sludge treatment system, and after the sludge particles enter the incinerator, the sludge particles and garbage in the incinerator are incinerated cooperatively.
Compared with the prior art, the system and the method for treating the dried sludge by using the incinerator to treat the household garbage have the following beneficial effects:
the household garbage incinerator for cooperatively treating the dried sludge can control the charging amount of the sludge particles fed into the incinerator when the dried sludge is fed into the incinerator by the dried sludge treatment system, master the optimal feeding point of the sludge particles, increase the blending combustion proportion of the sludge particles, further achieve the effects of reducing the incineration time of the sludge particles in the incinerator and simultaneously ensure the burn-off rate of the sludge particles.
In some preferred embodiments, the domestic garbage incinerator for co-processing dried sludge according to the present invention can also achieve uniform distribution of sludge particles entering the incinerator pipe by improving the structure of the discharging device.
In addition, in some other preferred embodiments, the household garbage incinerator for co-processing dried sludge according to the present invention is provided with a fan to reduce the temperature of sludge particles entering the incinerator, thereby reducing the smoke generated by the sludge particles entering the incinerator and achieving the effect of smoke sealing.
In addition, the treatment method of the invention also has the advantages.
Drawings
FIG. 1 is a schematic system diagram of a domestic waste incinerator with co-disposed dried sludge according to some embodiments of the present invention.
Fig. 2 schematically shows the structure of the feeding device of the domestic waste incinerator for co-disposing dried sludge according to the present invention in some embodiments.
Fig. 3 schematically illustrates the structure of the first conveying device of the domestic waste incinerator for co-disposing dried sludge according to some embodiments of the present invention.
Fig. 4 schematically shows the structure of the feeding device of the domestic waste incinerator for co-disposing dried sludge according to some embodiments of the present invention.
Fig. 5 schematically shows the structure of the feed inlet of the domestic waste incinerator for co-disposing dried sludge according to some embodiments of the present invention.
Fig. 6 schematically shows the structure of the joint between the feed inlet and the incinerator in some embodiments of the domestic waste incinerator for co-disposing dried sludge according to the present invention.
Detailed Description
The municipal solid waste incinerator for co-disposing dried sludge and the method for disposing the same according to the present invention will be further explained and illustrated with reference to the drawings and the specific examples, which should not be construed as an undue limitation on the technical solution of the present invention.
FIG. 1 is a schematic system diagram of a domestic waste incinerator with co-disposed dried sludge according to some embodiments of the present invention.
As shown in fig. 1, and referring to fig. 6 as necessary, in the present embodiment, the household garbage incinerator for co-disposing dried sludge includes an incinerator 100 and a dried sludge treatment system attached to the incinerator 100, wherein the dried sludge treatment system is connected to the incinerator 100, and the dried sludge treatment system puts sludge particles into the incinerator 100, so that the sludge particles are incinerated together with garbage in the incinerator.
As can be seen with further reference to fig. 1, a dried sludge treatment system includes: the sludge drying system comprises a feeding device 1, a first conveying device 21, a second conveying device 22, a buffer bin 4, a feeding device 5 and a control device (not shown in the figure), wherein the control device is respectively connected with the first conveying device 21, the second conveying device 22 and a scraper, and controls the speed of the sludge charging amount of a feeding port (namely the sludge charging amount when a drying sludge treatment system feeds sludge particles into an incinerator 100 is controlled by the control device). In the present embodiment, the control device includes a PLC.
Fig. 2 schematically shows the structure of the feeding device of the domestic waste incinerator for co-disposing dried sludge according to the present invention in some embodiments.
As shown in fig. 2, and as necessary, fig. 1 can be seen, the feeding device 1 includes a feeding port 11, the feeding port 11 can grab sludge particles by an electric hoist to feed, and the feeding port 1 can be a movable cover plate for feeding. And in order to facilitate monitoring of the amount of sludge particles in the feeding device 1, the feeding device 11 is provided with a feeding monitoring device 13, and in the present embodiment, the feeding monitoring device 13 is a radar level gauge. It is of course conceivable that the feed monitoring device 13 may also be another type of level gauge, for example an infrared level gauge, in some other embodiments. In addition, in order to adjust the amount of sludge particles, referring to fig. 1, it can be seen that a first gate valve 91 is disposed at the first outlet, the valve opening of the first gate valve 91 is 40-50%, the specific value can be adjusted according to whether the first outlet is blocked or the blanking smoothness, and the adjustment process is known by those skilled in the art, and therefore, the description is omitted here.
Fig. 3 schematically illustrates the structure of the first conveying device of the domestic waste incinerator for co-disposing dried sludge according to some embodiments of the present invention.
As shown in fig. 3, and referring to fig. 1 as necessary, in the present embodiment, the first conveyor 21 is an auger conveyor, and a plurality of blades 210 are sequentially arranged in the axial direction of the first conveyor 21. In the present embodiment, the second conveyor 22 is also an auger conveyor, and the specific configuration thereof can be referred to the first conveyor 21.
Sludge particles are conveyed to the bucket elevator 3 via the first conveyor 21, and then the sludge particles enter the surge bin 4 through the bucket elevator 3. The surge bin 4 is provided with a surge bin monitoring device which, in this embodiment, is a radar level gauge. It is of course conceivable that in some other embodiments the feed monitoring device may also be another type of level gauge. Referring to fig. 1, in this embodiment, the surge bin 4 is provided with a high material level I and a low material level II, the amount of sludge particles can be monitored by the surge bin monitoring device, when the amount of sludge particles in the surge bin 4 is higher than the low material level, the amount of sludge particles in the surge bin 4 can be adjusted by the second gate valve 92 arranged at the second outlet, the valve opening of the second gate valve 92 is 30-35%, the specific value thereof can be adjusted according to whether the second conveying device 22 is blocked or not, and the adjustment process is known by those skilled in the art, so that the description is omitted here.
And the final sludge particles enter the hearth of the incinerator 100 through the feeding device 5 for combustion.
In the present embodiment, the feeding device 5 includes a scraper 50 and five feeding ports provided on the scraper 50. Each of the feeding ports is connected to the incinerator 100 through a pipeline, and it should be noted that the number of the feeding ports may be five, four or six, which may be adjusted according to the specific situation of each embodiment.
Fig. 4 schematically shows the structure of the feeding device of the domestic garbage incinerator for co-disposing dried sludge according to some embodiments of the present invention.
As shown in fig. 4, the scraper 50 is fixed by a plate flange 51.
Fig. 5 schematically shows the structure of the feed inlet of the domestic waste incinerator for co-disposing dried sludge according to some embodiments of the present invention.
As shown in fig. 5, in the present embodiment, a blanking baffle 52 is disposed at the inlet end of the feeding port, a gap is formed between one end of the blanking baffle 52 and the side wall of the pipeline, so that the sludge particles can pass through the gap, and the other end of the blanking baffle 52 is fixed to the side wall of the pipeline to form a stop surface, so that the sludge particles are gathered on the stop surface, thereby avoiding the occurrence of a material slip surface. The inventor of the present application finds, through a large number of experimental studies, that since the material feeding port is connected by the inserting plate flange 51, and since a certain height exists between the inserting plate and the inserting plate flange 51, in some embodiments, a blanking gradient is formed during feeding, so that the material feeding port is enlarged invisibly, and uneven blanking occurs, in which a large amount of sludge particles slide from the blanking chute surface to the material feeding port due to the formation of the blanking chute surface caused by a height difference. Accordingly, in some preferred embodiments, the blanking baffle 52 may be provided to avoid uneven blanking.
Fig. 6 schematically shows the structure of the joint between the feed inlet and the incinerator in some embodiments of the domestic waste incinerator for co-disposing dried sludge according to the present invention.
As shown in fig. 6, and referring to fig. 1, 4 and 5 as necessary, in the present embodiment, the pipes connecting the charging ports and the incinerator are connected by the metal expansion joints 54, and the gate valve 53 is provided at the charging port of the scraper 50, so that the charging amount of sludge particles at each charging port can be kept uniform by adjusting the valve opening of the gate valve 53.
Note that the angle of intersection of the end 55 of the charging line into the incinerator 100 may be adjusted according to the details of the respective embodiments, and in the present embodiment, the angle is 25 °.
As can be seen by further referring to fig. 1, the control system in this embodiment further includes a dust removing device 7 and a cooling system, wherein the cooling system includes a fan 6, the dust removing device 7 is further disposed at the feed port 11 of the feeding device 1, the dust removing device 7 is connected to the fan 6 through a pipeline, and the fan 6 can be controlled to provide suction force to the dust removing device 7 by adjusting a valve 93 disposed on the pipeline, so as to prevent dust from flying during feeding or discharging of the feeding device.
In addition, the fan 6 can be connected with the feeding port pipeline, and the gas inflow in the feeding pipeline can be controlled by adjusting the fan pipeline valve 94, so that the temperature of the sludge particles entering the incinerator is reduced, and the smoke generated due to the high temperature of the sludge particles is avoided.
The working principle of the domestic garbage incinerator for co-disposing dried sludge according to the present invention is further described with reference to fig. 1 to 6:
before the operation of the sludge drying system, the first conveying device, the second conveying device, the bucket elevator, the scraper and the fan can be debugged to determine preset values of the system, such as: the motor frequency of the first conveying device 21 is set to be 30Hz, the motor frequency of the second conveying device 22 is set to be 30Hz, the motor frequency of the scraper conveyor is set to be 50Hz, and the motor frequency of the fan 6 is set to be 50 Hz.
After the dried sludge treatment system is started, sludge particles enter the dried sludge treatment system from the feeding device 1, the amount of the sludge particles in the feeding device 1 is monitored by the feeding monitoring device 13, and the control device can control the conveying amount of the first conveying device 21 by adjusting the valve opening of the first gate valve 91 or adjusting the motor frequency of the first conveying device 21 according to the amount of the sludge particles in the feeding device 1 and the conveying speed of the first conveying device 21, so that the conveying amount of the sludge particles is maintained at 3t/h for example.
And when the sludge particles are carried to the surge bin by the bucket lifter 3 through a pipeline, the amount of the sludge particles in the surge bin is monitored through the surge bin monitoring device, the control device controls the conveying amount of the second conveying device according to the amount of the sludge particles in the surge bin and the conveying speed of the second conveying device, and when the sludge particles in the surge bin 4 are higher than the low material level II, the conveying amount of the second conveying device 22 can be controlled by adjusting the opening degree of a valve of the second gate valve 92 or adjusting the motor frequency of the second conveying device 22.
The sludge particles are conveyed to the feeding device 5 by the second conveying device 22, the control device controls the amount of the sludge entering the furnace from the feeding port according to the conveying amount of the second conveying device 22 and the frequency of the scraper motor, the sludge particles enter the incinerator 100 from the tail end 55 of the feeding pipeline through the pipeline, and then the sludge particles are subjected to synergistic incineration treatment by the garbage in the incinerator 100.
In conclusion, the household garbage incinerator for co-processing dried sludge can control the charging amount of sludge particles charged into the incinerator when the dried sludge treatment system puts dried sludge into the incinerator, master the optimal charging point of the sludge particles, increase the co-combustion proportion of the sludge particles, further achieve the effects of reducing the incineration time of the sludge particles in the incinerator and simultaneously ensuring the burnout rate of the sludge particles.
In some preferred embodiments, the domestic garbage incinerator for co-processing dried sludge according to the present invention can also achieve uniform distribution of sludge particles entering the incinerator pipe by improving the structure of the discharging device.
In addition, in some other preferred embodiments, the household garbage incinerator for co-processing dried sludge according to the present invention is provided with a fan to reduce the temperature of sludge particles entering the incinerator, thereby reducing the smoke generated by the sludge particles entering the incinerator and achieving the effect of smoke sealing.
In addition, the treatment method of the invention also has the advantages.
It should be noted that the prior art in the protection scope of the present invention is not limited to the examples given in the present application, and all the prior art which is not inconsistent with the technical scheme of the present invention, including but not limited to the prior patent documents, the prior publications and the like, can be included in the protection scope of the present invention.
In addition, the combination of the features in the present application is not limited to the combination described in the claims of the present application or the combination described in the embodiments, and all the features described in the present application may be freely combined or combined in any manner unless contradictory to each other.
It should also be noted that the above-mentioned embodiments are only specific embodiments of the present invention. It is apparent that the present invention is not limited to the above embodiments and similar changes or modifications can be easily made by those skilled in the art from the disclosure of the present invention and shall fall within the scope of the present invention.

Claims (8)

1. A household garbage incinerator for disposing dried sludge in a synergistic manner comprises an incinerator body and a dried sludge treatment system, wherein the dried sludge treatment system puts sludge particles into the incinerator body so that the sludge particles and garbage in the incinerator body are incinerated together,
the dried sludge treatment system comprises a control device, and the control device controls the amount of sludge fed into the incinerator when the dried sludge treatment system puts sludge particles into the incinerator:
the drying sludge treatment system comprises:
the feeding device comprises a feeding hole, a feeding monitoring device and a first outlet;
the first conveying device is arranged between the feeding device and the bucket elevator so as to convey sludge particles at the first outlet into the bucket elevator;
one end of the bucket elevator is connected with the first conveying device, and the other end of the bucket elevator is connected with the buffer bin through a pipeline;
the buffer bin comprises a buffer bin monitoring device, and the buffer bin is provided with a second outlet;
the second conveying device is arranged between the buffer bin and the feeding device and is used for conveying the sludge particles at the second outlet to the feeding device;
the feeding device comprises a scraper and a plurality of feeding ports, and the feeding ports are connected with the incinerator pipeline; the feeding port of the feeding device is connected with a fan of a cooling system so as to reduce the temperature of sludge particles entering the incinerator;
wherein, the controlling means is connected with first conveyor, second conveyor and scraper blade machine respectively:
the feeding port is provided with a blanking baffle, a gap is formed between one end of the blanking baffle and the side wall of the pipeline, so that sludge particles can pass through the gap, the other end of the blanking baffle and the side wall of the pipeline are fixed to form a stop surface, and the feeding port is further provided with a gate valve for adjusting the furnace charging amount of the sludge particles by adjusting the opening degree of a valve plate.
2. The incinerator according to claim 1, wherein said fan is connected to the feeding means by a pipe.
3. The incinerator of claim 1, wherein: the control system further comprises a dust removal device, and a dust removal opening of the dust removal device is connected with the feeding opening of the feeding device.
4. The incinerator of claim 1, wherein: the first conveying device is an auger conveyor, and/or the second conveying device is an auger conveyor.
5. The incinerator of claim 1, wherein: the control device comprises a PLC.
6. The incinerator of claim 1, wherein: the feed monitoring device comprises a level gauge and/or the surge bin monitoring device comprises a level gauge.
7. The incinerator of claim 1, wherein: the number of the feeding ports is five.
8. A disposal method using the garbage incinerator according to any one of claims 1 to 7, characterized by comprising the steps of: the control system of the dried sludge treatment system controls the amount of sludge fed into the incinerator by the dried sludge treatment system, and after the sludge particles enter the incinerator, the sludge particles and garbage in the incinerator are incinerated cooperatively.
CN202010280252.XA 2020-04-10 2020-04-10 Household garbage incinerator for cooperatively treating dried sludge and treatment method thereof Active CN111412478B (en)

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CN111847833A (en) * 2020-07-20 2020-10-30 浙江大学 Garbage incineration and sludge drying cooperative treatment system and method
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