CN219848822U - Garbage incineration fly ash treatment device - Google Patents
Garbage incineration fly ash treatment device Download PDFInfo
- Publication number
- CN219848822U CN219848822U CN202321183968.3U CN202321183968U CN219848822U CN 219848822 U CN219848822 U CN 219848822U CN 202321183968 U CN202321183968 U CN 202321183968U CN 219848822 U CN219848822 U CN 219848822U
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- CN
- China
- Prior art keywords
- flue gas
- fly ash
- gas emission
- garbage incineration
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000010881 fly ash Substances 0.000 title claims abstract description 59
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 58
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 147
- 239000003546 flue gas Substances 0.000 claims abstract description 147
- 239000002351 wastewater Substances 0.000 claims abstract description 80
- 239000007921 spray Substances 0.000 claims abstract description 41
- 238000004056 waste incineration Methods 0.000 claims description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 238000011010 flushing procedure Methods 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 14
- 239000010802 sludge Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 2
- 239000002956 ash Substances 0.000 claims 2
- 239000000779 smoke Substances 0.000 abstract description 7
- 238000007599 discharging Methods 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 9
- 238000001914 filtration Methods 0.000 description 7
- 230000003068 static effect Effects 0.000 description 6
- 238000007791 dehumidification Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000000889 atomisation Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 235000013547 stew Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Abstract
The utility model belongs to the technical field of garbage disposal, and provides a garbage incineration fly ash treatment device, which comprises: a main pipeline for discharging the garbage incineration smoke and a smoke discharge port; the main pipeline bottom of the main pipeline of the garbage incineration flue gas emission is communicated to the top of the garbage incineration box, a plurality of filter screens are arranged in the main pipeline of the garbage incineration flue gas emission, a main pipeline of the garbage incineration flue gas emission at the top of the uppermost filter screen is communicated with a branch pipeline of the garbage incineration flue gas emission, the tail end of the branch pipeline of the garbage incineration flue gas emission is communicated with a flue gas fly ash spray chamber, the output end of the flue gas fly ash spray chamber is communicated with a flue gas emission port, and the device can fully treat flue gas fly ash and can simultaneously clean the filter screens rapidly and efficiently and utilize rainwater to recycle the waste water for a plurality of times, so that the utilization rate of the device to resources is improved.
Description
Technical Field
The utility model belongs to the technical field of garbage disposal, and particularly relates to a garbage incineration fly ash treatment device.
Background
At present, the garbage disposal method is sanitary landfill, high-temperature composting and incineration, and a power plant usually utilizes garbage incineration to generate power, a large amount of suspended matter fly ash is generated in the garbage incineration process, and the generated suspended matter dust is mostly treated in a filtering mode.
The method adopts the filtering treatment mode, most of impurities in the fly ash can be treated, but in view of the structural problem of a filter net, some dust always passes through meshes directly and is discharged outwards, wherein the part of the fly ash is extremely easy to be doped with harmful substances polluting the air, and the used filter net needs to be cleaned every very short time because the fly ash is filtered, otherwise, the quality of the fly ash filtering is affected, and if the filter net is directly disassembled and cleaned, the operation difficulty is high and the fly ash is not easy to be frequently treated;
therefore, in view of the problems, the technical scheme designs a garbage incineration fly ash treatment device.
Disclosure of Invention
The embodiment of the utility model aims to provide a garbage incineration fly ash treatment device, which aims to solve the problems.
The utility model is realized in such a way that the waste incineration fly ash treatment device comprises: a main pipeline for discharging the garbage incineration smoke and a smoke discharge port; the bottom end of the main garbage incineration flue gas emission pipeline is communicated with the top of the garbage incineration box, flue gas generated in the garbage incineration box is directly emitted into the main garbage incineration flue gas emission pipeline, a plurality of filter screens are arranged in the main garbage incineration flue gas emission pipeline, the filter screens are used for filtering impurities such as fly ash in the flue gas, most of the impurities in the fly ash filtered by the filter screens can be effectively removed, one side of the main garbage incineration flue gas emission pipeline positioned at the top of the uppermost filter screen is communicated with a branch garbage incineration flue gas emission pipeline, the tail end of the branch garbage incineration flue gas emission pipeline is communicated with a fly ash spray chamber, the output end of the flue gas spray chamber is communicated with a flue gas emission port, the flue gas filtered by the filter screens flows into the branch garbage incineration flue gas emission pipeline and is then transferred into the flue gas spray chamber for atomization spray treatment, fine impurities contained in the flue gas spray chamber are further removed and are then input into the flue gas emission port for outward, and the flue gas can be maximally treated by sequentially passing through the filter screens and the fly ash spray chamber;
the top end of the main garbage incineration smoke discharge pipeline is communicated with a rainwater collection box, a flushing device is arranged at the communication part of the rainwater collection box and the main garbage incineration smoke discharge pipeline, the flushing device controls rainwater collected in the rainwater collection box to fall down towards the inside of the main garbage incineration smoke discharge pipeline, the filter screen in the main pipeline of the waste incineration flue gas discharge is washed and cleaned, the function of automatically cleaning the filter screen is realized, the bottom of the flue gas fly ash spray chamber is downwards communicated with a waste water drop pipeline, the bottom end of the waste water drop pipeline is communicated with a waste water standing treatment box, waste water formed after the fly ash is sprayed in the flue gas fly ash spray chamber, flows into the waste water falling pipeline under the action of gravity, then is transferred into the waste water standing treatment box, and the waste water entering the waste water standing treatment box is continuously introduced into the upper layer of the waste water, however, the wastewater at the lower layer of the wastewater static treatment box is in a similar static state, and after the wastewater is static for a period of time, the solid dust and the liquid are separated up and down, the layered liquid can be transferred into the flue gas fly ash spray chamber again for use, thereby improving the utilization rate of the device to water resources, a flue gas control valve is arranged on the main flue gas discharge pipeline of the garbage incineration corresponding to the lower side of the lowest filter screen, the flue gas control valve is used for controlling the flow of flue gas in the main flue gas discharge pipeline of the garbage incineration, simultaneously, the waste water generated by the flushing device is prevented from entering the incineration tank downwards along the main waste incineration flue gas discharge pipeline, the main waste incineration flue gas discharge pipeline at one side of the top of the flue gas control valve is communicated with the waste water falling pipeline through the flushing waste water discharge pipeline of the filter screen, namely, the wastewater generated by flushing the filter screen is input into a wastewater standing treatment box, and is reused after standing treatment.
According to the garbage incineration fly ash treatment device, a group of flue gas fly ash spray chambers are arranged on the basis of the interior of an existing flue gas discharge pipeline, and flowing flue gas is sprayed through the atomizing nozzle in the flue gas fly ash spray chambers to remove impurities which are difficult to remove in the filtered flue gas fly ash;
the bottom of the flue gas fly ash spray chamber is communicated with a wastewater standing treatment tank, and then the wastewater is placed in the wastewater standing treatment tank for standing treatment and then flows back into a water collecting tank at the top of the flue gas fly ash spray chamber again, so that the secondary utilization of the wastewater is realized;
through at the rubbish burn the flue gas emission trunk line top intercommunication rainwater collecting box, set up a set of washing unit between rainwater collecting box and the rubbish burn the flue gas emission trunk line, washing unit utilizes the rainwater to wash the filter screen, and is clean, realizes the quick efficient clean operation to the filter screen, and then the waste water that produces also shifts to waste water and stews the processing incasement and discharge or reuse.
Drawings
Fig. 1 is a schematic structural view of a waste incineration fly ash treatment device.
Fig. 2 is an enlarged schematic view of the structure of fig. 1 a.
Fig. 3 is a schematic view of the structure of a flushing row in the waste incineration fly ash treatment device.
In the accompanying drawings: the waste incineration flue gas discharge main pipe 10, the waste incineration flue gas discharge branch pipe 11, the flue gas fly ash spray chamber 12, the flue gas discharge port 13, the rainwater collecting box 14, the filter screen 15, the water collecting box 16, the atomizer 17, the waste water falling pipe 18, the waste water standing treatment box 19, the reflux pipe 20, the pump body 21, the flue gas control valve 22, the filter screen flushing waste water discharge pipe 23, the water collecting pipe 24, the flushing row 26, the fan 27, the dehumidifying cover 28 and the communicating pipe 29.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
1-3, a structure diagram of a garbage incineration fly ash treatment device provided by an embodiment of the utility model includes: a main waste incineration flue gas discharge pipeline 10 and a flue gas discharge port 13; the bottom end of the main garbage incineration flue gas emission pipeline 10 is communicated to the top of the garbage incineration box, flue gas generated in the garbage incineration box is directly emitted into the main garbage incineration flue gas emission pipeline 10, a plurality of filter screens 15 are arranged in the main garbage incineration flue gas emission pipeline 10, the filter screens 15 are used for filtering impurities such as fly ash in the flue gas, the fly ash filtered by the filter screens 15 can be effectively removed, one side of the main garbage incineration flue gas emission pipeline 10 positioned at the top of the uppermost filter screen 15 is communicated with a branch garbage incineration flue gas emission pipeline 11, the tail end of the branch garbage incineration flue gas emission pipeline 11 is communicated with a flue gas spray chamber 12, the output end of the flue gas spray chamber 12 is communicated with a flue gas emission port 13, the flue gas filtered by the filter screens 15 flows into the branch garbage incineration flue gas emission pipeline 11 and then is transferred into the flue gas spray chamber 12 for atomization spray treatment, fine impurities contained in the fly ash are further removed and then are input into the flue gas emission port 13, and the impurities contained in the flue gas can be treated by sequentially passing through the filter screens 15 and the fly ash spray chamber 12;
the top end of the main waste incineration flue gas discharge pipeline 10 is communicated with a rainwater collecting box 14, a flushing device is arranged at the communication position of the rainwater collecting box 14 and the main waste incineration flue gas discharge pipeline 10, the flushing device controls rainwater collected in the rainwater collecting box 14 to fall down towards the inner part of the main waste incineration flue gas discharge pipeline 10, a filter screen 15 in the main waste incineration flue gas discharge pipeline 10 is flushed and cleaned, the function of automatically cleaning the filter screen 15 is realized, the inner bottom of the flue gas fly ash spray chamber 12 is downwards communicated with a waste water falling pipeline 18, the bottom end of the waste water falling pipeline 18 is communicated with a waste water standing treatment box 19, waste water formed after fly ash spraying in the flue gas fly ash spray chamber 12 flows into the waste water falling pipeline 18 under the action of gravity and then is transferred into the waste water standing treatment box 19, and the waste water entering the waste water standing treatment box 19 continuously enters the upper layer, however, the waste water at the lower layer of the waste water standing treatment box 19 is in a standing-like state, after the waste water is kept standing for a period of time, solid dust and liquid are separated up and down, and for the layered liquid, the layered liquid can be transferred into the flue gas fly ash spray chamber 12 again for use, thereby improving the utilization rate of the device for water resources, the flue gas control valve 22 is arranged on the main waste incineration flue gas discharge pipeline 10 corresponding to the lower side of the filter screen 15 at the lowest side, the flue gas control valve 22 is used for controlling the flow of flue gas in the main waste incineration flue gas discharge pipeline 10, meanwhile, the waste water generated by the flushing device is prevented from entering the incineration box downwards along the main waste incineration flue gas discharge pipeline 10, the main waste incineration flue gas discharge pipeline 10 at the top side of the flue gas control valve 22 is communicated with the waste water falling pipeline 18 through the filter screen flushing waste water discharge pipeline 23, that is, the wastewater generated by washing the filter screen 15 is fed into the wastewater stationary treatment tank 19, and is reused after stationary treatment.
In the embodiment of the utility model, the flue gas control valve 22 can control the flow of the flue gas while controlling the flow of the liquid, the rainwater collection box 14 is provided with a funnel-shaped structure, a layer of coarse screen is arranged in the structure and is used for filtering impurities floating in the air, the top of the flue gas fly ash spray chamber 12 is communicated with the water collection box 16, one side of the top of the water collection box 16 is communicated with the rainwater collection box 14 through a communicating pipe 29, the communicating pipe 29 is provided with a water valve, according to the water content in the water collection box 16, the water valve is controlled to input the rainwater in the rainwater collection box 14 into the water collection box 16 for use, a row of atomizing spray heads 17 are arranged at the top in the flue gas fly ash spray chamber 12, the top of the atomizing spray heads 17 are communicated with the water collection box 16 through a water pipe, namely, the atomizing spray heads 17 are controlled to spray the water in the water collection box 16 towards the interior of the flue gas spray chamber 12, and the filter screen is provided with a control valve for controlling the flow of the gas and the flue dust which flows through;
a group of fans 27 are arranged in the waste incineration flue gas emission branch pipelines 11 and the flue gas emission ports 13, and the driving of the fans 27 is used for controlling the flue gas to flow along the waste incineration flue gas emission main pipeline 10, the waste incineration flue gas emission branch pipelines 11, the flue gas fly ash spray chamber 12 and the flue gas emission ports 13; the inside dehumidification cover 28 that is provided with of flue gas discharge port 13, dehumidification cover 28 are used for carrying out dehumidification processing to the flue gas after spraying, prevent that moist gas from discharging to the air, pollute the air.
In one example of the utility model, a sludge discharge pipe is arranged at the bottom end of the wastewater static treatment tank 19, a control valve is arranged on the sludge discharge pipe, and when excessive sludge is generated by static precipitation of the wastewater static treatment tank 19, the sludge discharge pipe can be opened by controlling the control valve, and then the sludge is discharged outwards; the middle part of the wastewater stewing treatment box 19 is far away from one side of the main waste incineration flue gas emission pipeline 10 and is communicated with a backflow pipeline 20, the top end of the backflow pipeline 20 is communicated into the water collection tank 16, and a pump body 21 for upwards transferring liquid generated by stewing separation in the wastewater stewing treatment box 19 into the water collection tank 16 is arranged on the backflow pipeline 20, so that the secondary recycling function after wastewater treatment is realized.
Specifically, the flushing device comprises a water collecting pipe 24 communicated with the bottom end of the rainwater collecting box 14, a flushing row 26 arranged in the main waste incineration flue gas emission pipeline 10 is communicated with the bottom end of the water collecting pipe 24, an electromagnetic valve is arranged at the communication position of the water collecting pipe 24 and the flushing row 26, namely, the electromagnetic valve controls the rainwater in the water collecting pipe 24 to be discharged, the rainwater is input into the flushing row 26, water is sprayed downwards through the flushing row 26, the lower filter screen 15 is continuously flushed, at the moment, the main waste incineration flue gas emission pipeline 10 is blocked by a flue gas control valve 22, a filter screen flushing waste water emission pipe 23 is started, waste liquid generated by flushing is input into the waste water standing treatment box 19, and therefore, the filter screen 15 can be cleaned rapidly and efficiently;
notably, the edge of the flushing row 26 is in sealing contact with the interior of the main waste incineration flue gas emission pipeline 10 through a sealing ring, so that when the flue gas in the main waste incineration flue gas emission pipeline 10 flows, the flushing row 26 is prevented from upwards flowing;
the connection between the waste incineration flue gas emission branch pipe 11 and the main waste incineration flue gas emission pipe 10 is disposed at a position between the flushing row 26 and the uppermost filter screen 15, that is, the pollution of the flue gas to the flushing row 26 is reduced while the flue gas can flow smoothly, and the entering position of the inside of the waste incineration flue gas emission branch pipe 11 is set to be an inclined structure for reducing the probability that rainwater enters the inside of the waste incineration flue gas emission branch pipe 11 when the flushing row 26 flushes downwards;
the liquid which is left to stand and delaminated in the wastewater standing treatment tank 19 is reused or not, and if the liquid still contains a large amount of harmful substances according to the actual situation, the liquid can be directly discharged through a sludge discharge pipe.
In the above embodiment of the utility model, the waste incineration fly ash treatment device is provided, when in use, the flue gas generated by combustion in the waste incineration tank flows upwards, the filtration treatment is carried out along the filter screen 15 in the waste incineration flue gas discharge main pipeline 10, then the flue gas is transferred into the flue gas fly ash spray chamber 12 through the inside of the waste incineration flue gas discharge branch pipeline 11 under the action of the fan 27 in the waste incineration flue gas discharge branch pipeline 11 and the flue gas discharge port 13, at this time, the atomization spray head 17 in the flue gas fly ash spray chamber 12 sprays the flue gas fly ash passing through, then the flue gas fly ash is dehumidified through the dehumidification cover 28, and then the flue gas discharge port 13 is discharged, the waste water formed by spraying is transferred into the waste water falling pipeline 18 under the action of gravity, then the waste water is input into the waste water stewing treatment tank 19 for storage, as the waste water stewing treatment tank 19 increases, the lower side stewing automatic solid-liquid is separated, then the separated liquid is reflowed into the water collecting tank 16 for use again under the action of the backflow pipeline 20, when the filter screen 15 is required to be washed, the waste incineration flue gas spray discharge main pipeline 10 is closed, then the drain pipeline 23 is started, the drain pipe is started, the waste water is flushed 26 is flushed down, the waste water is flushed down along the filter screen 26, and the waste water is flushed down, and the waste water is input into the waste water stewing tank through the waste water collecting tank to the waste water collecting tank, and the waste water is flushed down through the waste water stewing tank, and the waste water is placed into the waste water collecting tank, and the waste water is placed down, and then the waste water is flushed down, and the waste water is discharged.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. The waste incineration fly ash treatment device is characterized in that the waste incineration fly ash treatment device comprises: a main flue gas discharge pipeline (10) for incinerating garbage and a flue gas discharge port (13); the garbage incineration flue gas emission main pipe (10) bottom communicates to the garbage incineration case top, garbage incineration flue gas emission main pipe (10) internally mounted has a plurality of filter screens (15), the garbage incineration flue gas emission main pipe (10) one side intercommunication that is located the top of top filter screen (15) has garbage incineration flue gas emission branch pipe (11), garbage incineration flue gas emission branch pipe (11) terminal intercommunication has flue gas flying ash spray room (12), flue gas flying ash spray room (12) output intercommunication has flue gas emission mouth (13), garbage incineration flue gas emission main pipe (10) top intercommunication has rainwater collecting box (14), the intercommunication department of rainwater collecting box (14) and garbage incineration flue gas emission main pipe (10) is provided with washing unit, the intercommunication has waste water whereabouts pipeline (18) in flue gas spray room (12), waste water whereabouts pipeline (18) bottom intercommunication has waste water to stand and handles case (19), be provided with control valve (22) on the garbage incineration flue gas emission main pipe (10) that the bottom filter screen (15) downside corresponds, flue gas emission main pipe (10) of garbage incineration top one side intercommunication has rainwater collecting box (14), flue gas emission main pipe (10) top intercommunication waste water and waste water whereabouts pipeline (18) through waste water whereabouts flue gas emission waste water (23).
2. The garbage incineration fly ash treatment device according to claim 1, wherein the rainwater collecting box (14) is of a funnel-shaped structure, a layer of coarse screen is arranged in the rainwater collecting box, the top of the flue gas fly ash spraying chamber (12) is communicated with the water collecting box (16), one side of the top of the water collecting box (16) is communicated with the rainwater collecting box (14) through a communicating pipe (29), and a water valve is arranged on the communicating pipe (29).
3. The waste incineration fly ash treatment device according to claim 2, wherein a row of atomizing nozzles (17) are arranged at the inner top of the flue gas fly ash spray chamber (12), the tops of the atomizing nozzles (17) are communicated with the water collecting tank (16) through a water pipe, and a control valve is arranged on a filter screen flushing waste water discharge pipe (23).
4. A waste incineration fly ash treatment device according to claim 3, wherein a group of fans (27) are arranged in the waste incineration flue gas emission branch pipeline (11) and the flue gas emission port (13); a dehumidifying cover (28) is arranged in the flue gas discharge port (13).
5. The waste incineration fly ash treatment device according to claim 4, wherein a sludge discharge pipe is arranged at the bottom end of the waste water standing treatment tank (19), a control valve is arranged on the sludge discharge pipe, one side, far away from the waste incineration flue gas discharge main pipe (10), of the middle part of the waste water standing treatment tank (19) is communicated with a backflow pipeline (20), the top end of the backflow pipeline (20) is communicated into the water collection tank (16), and a pump body (21) used for upwards transferring liquid generated by standing separation in the waste water standing treatment tank (19) into the water collection tank (16) is arranged on the backflow pipeline (20).
6. The device for treating the waste incineration fly ash according to claim 5, wherein the flushing device comprises a water collecting pipe (24) communicated with the bottom end of the rainwater collecting box (14), a flushing row (26) arranged in the main waste incineration flue gas discharge pipeline (10) is communicated with the bottom end of the water collecting pipe (24), and an electromagnetic valve is arranged at the communication position of the water collecting pipe (24) and the flushing row (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321183968.3U CN219848822U (en) | 2023-05-17 | 2023-05-17 | Garbage incineration fly ash treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321183968.3U CN219848822U (en) | 2023-05-17 | 2023-05-17 | Garbage incineration fly ash treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219848822U true CN219848822U (en) | 2023-10-20 |
Family
ID=88333760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321183968.3U Active CN219848822U (en) | 2023-05-17 | 2023-05-17 | Garbage incineration fly ash treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219848822U (en) |
-
2023
- 2023-05-17 CN CN202321183968.3U patent/CN219848822U/en active Active
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