CN218835553U - Internal circulation type refuse landfill natural draught device - Google Patents
Internal circulation type refuse landfill natural draught device Download PDFInfo
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- CN218835553U CN218835553U CN202223239601.7U CN202223239601U CN218835553U CN 218835553 U CN218835553 U CN 218835553U CN 202223239601 U CN202223239601 U CN 202223239601U CN 218835553 U CN218835553 U CN 218835553U
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- 239000010813 municipal solid waste Substances 0.000 claims abstract description 36
- 230000001939 inductive effect Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 230000008595 infiltration Effects 0.000 claims description 2
- 238000001764 infiltration Methods 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 238000013461 design Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 238000001914 filtration Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 230000006641 stabilisation Effects 0.000 description 5
- 238000011105 stabilization Methods 0.000 description 5
- 239000004575 stone Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000855 fermentation Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000010791 domestic waste Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000149 chemical water pollutant Substances 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/30—Landfill technologies aiming to mitigate methane emissions
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- Processing Of Solid Wastes (AREA)
Abstract
The utility model relates to a landfill nature induced air device of inside circulation formula belongs to landfill technical field. Comprises an unpowered induced draft device, an air outlet pipe and an air inlet pipe; the air outlet pipe is connected with the unpowered induced draft device; air guide holes are distributed on the air outlet pipe and the air inlet pipe; the air outlet pipe and the air inlet pipe are both connected with a percolate guide and discharge branch pipe, and percolate guide and discharge holes are distributed on the percolate guide and discharge branch pipe; the unpowered induced draft device, the air inlet pipe, the percolate guide and discharge branch pipe and the air outlet pipe form a circulating natural induced draft pipeline system in the garbage pile body. The utility model discloses produce negative pressure suction as induced air power by unpowered induced air device, form airflow channel in pipe-line system, improved the inside efficiency of ventilating of rubbish heap under the natural induced air condition. The device has the advantages of small volume, simple structure and adjustable size.
Description
Technical Field
The utility model belongs to the technical field of the landfill device, more specifically relates to a landfill nature induced air device of inner loop formula.
Background
Landfill, as the final stabilization innocent treatment processing means of rubbish, have high efficiency, low cost, easy advantage of operation, not only to rubbish itself, through the compost, burn, secondary pollutant that anaerobic fermentation produced also need to enter landfill yard landfill after stabilizing, therefore, the landfill technology has indispensable important effect in the terminal treatment processing aspect of rubbish. Meanwhile, in the landfill process, the oxygen concentration in the garbage heap is an important physicochemical index which influences the garbage stabilization process, and the degradation process of the garbage can be effectively promoted by well controlling and improving the oxygen concentration in the heap. Therefore, a natural air inducing device for researching the garbage landfill process in villages and small towns needs to be developed, and the device adopted in the existing research is difficult to meet the air inducing application.
The Chinese utility model patent rural domestic garbage landfill device (patent No. 201821621434.3) develops a rural domestic garbage landfill device, the main process adopts a static anaerobic rapid stabilization technology, but the stabilization period of the garbage landfill anaerobic fermentation process is longer, the aerobic degradation process of actively inducing air to maintain the aerobic environment in the pile body is not involved, and the requirements of anaerobic fermentation gas generation on the strength and the air tightness of equipment are higher; the utility model discloses a domestic waste processing apparatus is designed to chinese utility model patent "a domestic waste processing apparatus" (patent number 202021821739.6), mainly adopts the mode of burning to handle rubbish, and this process energy consumption is higher, and flue gas and slag treatment cost are higher, are not suitable for villages and small towns area and use widely. The Chinese utility model patent ' a natural forced draught's little oxygen consumption landfill device (patent number 202220843796.7) designs a laboratory landfill device's natural forced draught system, for laboratory scale landfill device, does not possess the natural draught pipe-line system of inside circulation formula, and the efficiency of ventilating is low. In summary, there is a need for a device that can achieve natural draft of landfill in villages and small towns, which can maintain the oxygen level inside the pile during the landfill process, and has the advantages of low cost, easy installation and convenient adjustment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the internal oxygen concentration of heap is not enough among the current villages and small towns landfill process, starting from the air guide gabion of original landfill design, change original structure, hope the design through the joining of unpowered induced air device and pipeline, realize the natural forced induced air of villages and small towns landfill process.
According to the purpose of the utility model, an internal circulation type natural draft device for landfill is provided, which comprises an unpowered draft device, an air outlet pipe and an air inlet pipe; the air outlet pipe is connected with the unpowered induced draft device; air guide holes are distributed on the air outlet pipe and the air inlet pipe; the air outlet pipe and the air inlet pipe are both connected with a percolate guide and discharge branch pipe, and percolate guide and discharge holes are distributed on the percolate guide and discharge branch pipe; the unpowered induced draft device, the air inlet pipe, the percolate guide and discharge branch pipe and the air outlet pipe form a circulating natural induced draft pipeline system in the garbage pile body.
Preferably, the unpowered air inducing device is in a cap-shaped turbofan structure and is used for generating negative pressure suction force under the driving of natural environment wind.
Preferably, the unpowered draught device is a hood.
Preferably, the outlet pipe and the inlet pipe are alternately arranged.
Preferably, the percolate drainage guide branch pipe is positioned in a gravel filling layer.
Preferably, the pipe diameters of the air outlet pipe and the air inlet pipe are 0.005-0.01 of the diameter of the garbage pile body.
Preferably, the top end of the air inlet pipe is in an inverted U shape so as to isolate rainwater infiltration.
Preferably, the percolate drainage branch pipe is connected with the percolate drainage main pipe.
Preferably, the gas outlet pipe, the gas inlet pipe and the percolate guide and discharge branch pipe are wrapped by a flexible mesh material so as to prevent particles of the landfill body from blocking the gas guide hole or the percolate guide and discharge hole.
Generally, through the utility model above technical scheme who thinks compares with prior art, mainly possesses following technical advantage:
(1) The utility model is characterized in that the natural forced draught can be realized inside the garbage pile without extra power. This device can be through installing the original landfill gas air guide gabion of landfill process with it into two categories of outlet duct and intake pipe through installing unpowered induced air device additional, at the landfill in-process, produce negative pressure suction through the drive of environment nature wind and form the air flow path in nature induced air pipe-line system, form airflow channel in pipe-line system, the efficiency of ventilating of rubbish heap internal portion under the nature induced air condition has been improved, help improving the internal oxygen concentration of heap, promote rubbish aerobic degradation, with higher speed rubbish stabilization process.
(2) The device has the advantages of small volume, simple structure and adjustable size; the device has the characteristics of simple structure and easy realization, can realize natural air induction by slightly changing a pipeline system on the basis of the original sanitary landfill, and is suitable for popularization and use in village and small town areas which adopt a landfill mode to treat garbage.
(3) The parameter all can be adjusted according to actual conditions is nimble, and the convenience is used in actual engineering construction.
Drawings
Fig. 1 is a schematic structural view of the natural draught device for landfill of garbage in villages and small towns of the present invention.
Wherein: 1-unpowered induced draft device, 2-air outlet pipe, 3-air inlet pipe, 4-air guide hole, 5-percolate guide and discharge branch pipe, 6-percolate guide and discharge hole, 7-percolate guide and discharge main pipe and 8-broken stone filling layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
As shown in fig. 1, the natural draught device for landfill of garbage in villages and small towns comprises an unpowered draught device 1, an air outlet pipe 2, a percolate guide and exhaust branch pipe 5 and an air inlet pipe 3, wherein air guide holes 4 are formed in the pipe walls of the air outlet pipe 2 and the air inlet pipe 3, the elements jointly form a natural draught pipeline system, and the natural draught device further comprises the percolate guide and exhaust branch pipe 5, a percolate guide and exhaust dry pipe 7 and a broken stone filling layer 8 at the bottom of a landfill reservoir area. The unpowered induced draft device 1 with the same caliber is selected to be connected with the air outlet pipe 2 in a sleeving manner, and a water adhesive cloth or a waterproof rubber mat can be additionally arranged between the unpowered induced draft device 1 and the air outlet pipe when necessary so as to keep the sleeving tightness. The wall of the outlet pipe 2 is provided with evenly distributed air guide holes 4, gas diffuses to the inside of the peripheral garbage heap through the air guide holes 4, the outlet pipe 2 is vertically downward and extends into a bottom broken stone filling layer 8 and is located on a percolate guide and discharge branch pipe 5 at the bottom of the landfill heap, the two are communicated through a three-way element, the percolate guide and discharge branch pipe 5 is positioned in the broken stone filling layer 8, the percolate guide and discharge branch pipe 5 is communicated with a percolate guide and discharge main pipe 7 to form a percolate guide and discharge passage, and simultaneously, the wall of the percolate guide and discharge pipe is provided with evenly distributed percolate guide and discharge holes 6 which can participate in air guide to form a part of a natural air guide pipeline system and also serve as a passage for percolate to enter the percolate guide and discharge branch pipe 5. The percolate guide and drainage branch pipe 5 at the other end of the percolate guide and drainage main pipe 7 is also communicated with the air inlet pipe 3 in a three-way element sleeving manner, and air guide holes 4 which are distributed at equal intervals are arranged on the pipe wall of the air inlet pipe 3 and are used as a channel for the air inlet to diffuse towards the garbage pile body. Intake pipe 3 upwards extends to rubbish heap body surface, and the upper end opening adopts 180 inflection designs of opening part simultaneously as induced air entry, prevents that the rainfall from directly infiltrating into the rubbish heap body from the mouth of pipe, can avoid the condition emergence of the consequently ascending circumstances of landfill leachate output that causes. In order to improve the strength of the induced draft system, a PE pipe with a thicker pipe wall and higher hardness can be properly selected as a raw material of a pipeline in the natural induced draft system, and meanwhile, in order to take strength and air guide capacity into consideration, the aperture of the air guide hole 4 formed in the wall surfaces of the air outlet pipe 2 and the air inlet pipe 3 is not too large, so that the deflection of the pipeline caused by the weakening of the local strength of the air pipe under the condition that garbage transversely slides is prevented.
Example 2
The utility model relates to an internal circulation type natural draught device for landfill of garbage, which can be used as a natural draught device for landfill of domestic garbage in villages and small towns and is provided with a set of circulation type natural draught pipeline system and a bottom broken stone filling layer inside a garbage pile body;
the natural induced draft pipeline system comprises an unpowered induced draft device 1, an air outlet pipe 2, an air inlet pipe 3 and a percolate guide and exhaust pipe 5; air guide holes 4 are arranged on the pipe walls of the air outlet pipe 2 and the air inlet pipe 3; wherein the unpowered induced draft device 1 is connected with the air outlet pipe 2 in a sleeving manner, and the air outlet pipe 2 and the air inlet pipe 3 are communicated with the percolate guide and exhaust branch pipe 5 through a tee joint element; the pipe wall of the percolate guide and discharge branch pipe 5 is provided with percolate guide and discharge holes 6.
Natural induced air power derive from the negative pressure suction that produces under the drive of natural environment wind of the unpowered induced air device 1 at device top, unpowered induced air device 1 can be hood, tubaeform collection wind gap etc..
The leachate guiding and discharging holes 6 of the utility model are evenly distributed on the leachate guiding and discharging pipe 5 at intervals of 5-10 cm.
3 tops of intake pipe adopt 180 inflection designs (the design of falling the U-shaped promptly), play the effect that isolated rainwater infiltrates.
The thickness of the bottom gravel filling layer 8 of the utility model is 5-30cm, and the particle size of the gravel is 5-25mm.
Example 3
The utility model discloses an unpowered induced draft device 1 be aluminium system hat turbofan device, and bearing and the axostylus axostyle that its hat structure axis assembly can supply the axial option to adorn can take place tangential rotary motion under the drive of natural wind on every side to at the inside negative pressure that produces of device, act on the device district opening part.
The unpowered induced draft device 1 is characterized in that an opening at the bottom end of the unpowered induced draft device 1 is connected with the top end of an air outlet pipe 2 to form a whole, the bottom of the air outlet pipe 2 extends to a gravel filling layer 8 and is communicated with a percolate guide and discharge branch pipe 5, and air guide holes 4 which are uniformly distributed are formed in the pipe wall of the air outlet pipe 2.
The bottom of intake pipe 3 and bury in filtration liquid drainage guide branch pipe 5 UNICOM at rubble filling layer 8 underground, cup joint through tee bend component between the two and form, filtration liquid drainage guide branch pipe 5 pipe wall all is provided with evenly distributed's filtration liquid drainage guide hole 6, has air guide and filtration liquid water conservancy diversion effect concurrently, 3 pipe walls in intake pipe are provided with evenly distributed's air guide hole 4, the intraductal gas of being convenient for is to the rubbish heap body diffusion.
The aperture of the air guide hole 4 is 20-40mm.
The top end of the air inlet pipe 3 is not directly arranged upwards in an opening manner, but adopts a 180-degree folding design, so that rainwater can be prevented from directly infiltrating into a garbage stack along the pipe opening, and the increase of the output of percolate generated by landfill is avoided.
The diameter ratio of the pipe diameter of the air outlet pipe 2 and the air inlet pipe 3 to the refuse landfill area is 0.005-0.01, the specific size can be properly adjusted according to the requirement of an actual landfill site, and meanwhile, the unpowered draught device 1 with the same diameter can be selected or adaptive installation by adopting a reducing element.
The peripheries of the percolate guide and discharge branch pipe 5, the air outlet pipe 2 and the air inlet pipe 3 are properly wrapped with a flexible mesh material, so that small particles of a landfill body are prevented from directly blocking the percolate guide and discharge hole 6 or the air guide hole 4.
The bottom leachate guide blind drain be divided into leachate guide and drain branch pipe 5 and leachate guide and drain main pipe 7, in this design, outlet duct 2 and intake pipe 3 link to each other with leachate guide and drain branch pipe 5, constitute air current path from this, a plurality of guide and drain branch pipes of landfill bottom are whole to be linked to each other with the guide and drain main pipe, realize the collection guide and the construction of air current path of leachate.
The air outlet pipe 2 and the air inlet pipe 3 can be installed in a linear array mode, staggered arrangement of the air outlet pipe 2 and the air inlet pipe 3 is achieved, and a complete air induction system is formed by a single air induction device.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. An internal circulation type natural draft device for landfill is characterized by comprising an unpowered draft device (1), an air outlet pipe (2) and an air inlet pipe (3); the air outlet pipe (2) is connected with the unpowered induced draft device (1); air guide holes (4) are distributed on the air outlet pipe (2) and the air inlet pipe (3); the gas outlet pipe (2) and the gas inlet pipe (3) are both connected with a percolate guide and discharge branch pipe (5), and percolate guide and discharge holes (6) are distributed on the percolate guide and discharge branch pipe (5); the unpowered air inducing device (1), the air inlet pipe (3), the percolate guide and exhaust branch pipe (5) and the air outlet pipe (2) form a circulating natural air inducing pipeline system inside the garbage pile body.
2. The internal circulation type landfill natural draft device of claim 1, wherein the unpowered draft device (1) is a hat type turbofan structure for generating negative pressure suction force driven by natural environment wind.
3. The internal circulation landfill natural draft device of claim 2, wherein the unpowered draft device (1) is a hood.
4. The natural draft system for landfill according to claim 1, wherein the outlet pipe (2) and the inlet pipe (3) are alternately arranged.
5. The internal circulation landfill natural draft device of claim 1, wherein the percolate drainage guide branch (5) is located in a gravel packing (8).
6. The internal circulation type landfill natural draft device of claim 1, wherein the pipe diameters of the outlet pipe (2) and the inlet pipe (3) are 0.005-0.01 of the diameter of the garbage heap.
7. The internal circulation type landfill natural draft device of claim 1, wherein the top end of the air inlet pipe (3) is in an inverted U shape to isolate rainwater infiltration.
8. The internal circulation type natural draft device for landfill according to claim 1, wherein the percolate drainage guide branch pipe (5) is connected with the percolate drainage guide trunk pipe (7).
9. The natural draft device for landfill of claim 1, wherein the outlet pipe (2), the inlet pipe (3) and the percolate guiding and discharging branch pipe (5) are wrapped with flexible fabric to prevent particles of the landfill heap from blocking the air guide holes (4) or the percolate guiding and discharging holes (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223239601.7U CN218835553U (en) | 2022-11-29 | 2022-11-29 | Internal circulation type refuse landfill natural draught device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223239601.7U CN218835553U (en) | 2022-11-29 | 2022-11-29 | Internal circulation type refuse landfill natural draught device |
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| CN218835553U true CN218835553U (en) | 2023-04-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117330699A (en) * | 2023-09-12 | 2024-01-02 | 北京市农林科学院 | Unpowered compost ammonia monitoring device and use method |
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2022
- 2022-11-29 CN CN202223239601.7U patent/CN218835553U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117330699A (en) * | 2023-09-12 | 2024-01-02 | 北京市农林科学院 | Unpowered compost ammonia monitoring device and use method |
| CN117330699B (en) * | 2023-09-12 | 2024-04-09 | 北京市农林科学院 | Unpowered compost ammonia monitoring device and use method |
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