CN114618872A - Biological drying oxygen supply system for household garbage treatment - Google Patents
Biological drying oxygen supply system for household garbage treatment Download PDFInfo
- Publication number
- CN114618872A CN114618872A CN202011437675.4A CN202011437675A CN114618872A CN 114618872 A CN114618872 A CN 114618872A CN 202011437675 A CN202011437675 A CN 202011437675A CN 114618872 A CN114618872 A CN 114618872A
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- CN
- China
- Prior art keywords
- oxygen
- fermentation
- oxygen concentration
- gas
- supply system
- 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.)
- Pending
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 239000001301 oxygen Substances 0.000 title claims abstract description 71
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 71
- 238000001035 drying Methods 0.000 title claims abstract description 19
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 15
- 238000000855 fermentation Methods 0.000 claims abstract description 33
- 230000004151 fermentation Effects 0.000 claims abstract description 33
- 238000002156 mixing Methods 0.000 claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 4
- 239000002699 waste material Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 7
- 244000005700 microbiome Species 0.000 claims description 4
- 206010070834 Sensitisation Diseases 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000008313 sensitization Effects 0.000 claims description 3
- 239000002912 waste gas Substances 0.000 claims description 2
- 238000009278 biodrying Methods 0.000 claims 5
- 239000010791 domestic waste Substances 0.000 claims 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000523 sample Substances 0.000 abstract description 2
- 238000007791 dehumidification Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000010564 aerobic fermentation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002921 fermentation waste Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a biological drying oxygen supply system for domestic garbage treatment, which comprises: fermentation mummification storehouse, fermentation mummification storehouse is connected with the gas-mixing pipe, be provided with oxygen concentration monitor, oxygen hose and fan on the gas-mixing pipe, the oxygen hose is connected with the gas-mixing pipe, the setting of oxygen concentration monitor is being located between oxygen hose and the fermentation mummification storehouse, set up automatically controlled governing valve on the oxygen hose, automatically controlled governing valve control end is connected with the oxygen concentration monitor, the oxygen concentration monitor is used for monitoring whether the oxygen concentration is in 30-40% within range and is adjusting the aperture size at the automatically controlled governing valve of signal control behind the scope in the gas-mixing pipe. The oxygen supply of the biological drying chamber adopts a mode of mixing air and pure oxygen, and after the oxygen concentration is measured by an oxygen concentration probe, the oxygen concentration is fed back to an adjusting valve of a pure oxygen pipeline, so that the oxygen content of the mixed air entering the fermentation chamber is about 35 percent; the fermentation temperature and the dehumidifying air volume reach the state of proper matching.
Description
Technical Field
The invention relates to the technical field of household garbage treatment, in particular to a biological drying oxygen supply system for household garbage treatment.
Background
Domestic municipal solid waste in China has the basic characteristics of high organic content, high water content and low calorific value, and the direct incineration causes the problems of low power generation efficiency, heavy load of subsequent flue gas treatment and the like. The biological drying technology can reduce the water content of the household garbage with low cost and high efficiency, and is generally used for processes such as garbage incineration pretreatment, RDF novel biomass fuel production and the like.
At present, the biological drying of the household garbage utilizes the aerobic fermentation of strains, the oxygen supply mode is that air is directly supplied, and the air can not only supply oxygen for fermentation, but also take away high-heat moisture. However, because the oxygen content of the air is basically a fixed value (about 21%), the oxygen demand of the existing air supply system cannot be reasonably matched with the dehumidification ventilation volume, and the dehumidification ventilation volume is much larger when the oxygen supply volume is met; can generate adverse factors such as low fermentation temperature, low fermentation efficiency, high ventilation energy consumption, large exhaust steam deodorization air quantity and the like.
Disclosure of Invention
The invention aims to provide a biological drying oxygen supply system for domestic garbage treatment, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a biological drying oxygen supply system for domestic garbage treatment comprises: fermentation mummification storehouse, fermentation mummification storehouse is connected with the gas-mixing pipe, be provided with oxygen concentration monitor, oxygen hose and fan on the gas-mixing pipe, the oxygen hose is connected with the gas-mixing pipe, the setting of oxygen concentration monitor is being located between oxygen hose and the fermentation mummification storehouse, set up automatically controlled governing valve on the oxygen hose, automatically controlled governing valve control end is connected with the oxygen concentration monitor, the oxygen concentration monitor is used for monitoring whether the oxygen concentration is in 30-40% within range and is adjusting the aperture size at the automatically controlled governing valve of signal control behind the scope in the gas-mixing pipe.
As a further scheme of the invention: the bottom is provided with heating coil in the fermentation mummification storehouse, heating coil connects the electric cabinet.
As a further scheme of the invention: and a temperature sensor is also arranged in the fermentation drying bin and is connected with the electric cabinet and a control system of the fan.
As a further scheme of the invention: the fermentation sensitization storehouse still is connected with the waste discharge pipe, be provided with on the waste discharge pipe and inhale useless fan.
As a further scheme of the invention: the waste discharge pipe is connected to a waste gas treatment device.
As a further scheme of the invention: the air mixing pipe is also provided with a filter box, and the filter box is used for filtering microorganisms in the air.
Compared with the prior art, the invention has the beneficial effects that: the biological drying chamber is supplied with oxygen in a mode of mixing air and pure oxygen, and after the oxygen concentration is measured by an oxygen concentration probe, the oxygen is fed back to an adjusting valve of a pure oxygen pipeline, so that the oxygen content of the mixed air entering the fermentation chamber is about 35 percent; the fermentation temperature and the dehumidifying air volume reach the state of proper matching.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, in an embodiment of the present invention, a biological drying oxygen supply system for domestic garbage treatment includes: a fermentation drying chamber 12, the fermentation drying chamber 12 is connected with an air mixing pipe 7, the air mixing pipe 7 is provided with an oxygen concentration monitor 4, an oxygen pipe 5 and a fan 8, the oxygen pipe 5 is connected with the air mixing pipe 7, the oxygen concentration monitor 4 is arranged between the oxygen pipe 5 and the fermentation drying chamber 12, the oxygen pipe 5 is provided with an electric control regulating valve 6, the control end of the electric control regulating valve 6 is connected with the oxygen concentration monitor 4, the oxygen pipe 5 is connected with an oxygen source such as an oxygen tank, the fan 8 is used for blowing air into the air mixing pipe 7, the concentration of the air mixture can be monitored by the oxygen concentration monitor 4, if the concentration is lower than 35%, a control signal is sent out to adjust the opening degree of a valve port of the electric control regulating valve 6 to keep the oxygen concentration at about 35%, so that the oxygen content entering the fermentation drying chamber 12 is about 35%, the oxygen content of natural air added in the traditional fermentation drying chamber accounts for about 21%, the invention manually controls the adding amount of oxygen to be about 30-35% according to the actual condition of the garbage. The oxygen demand of microbial fermentation can be better met, the participation amount of ineffective air components is reduced, energy is saved, and the fermentation degree is controllable.
Bottom is provided with heating coil 11 in the fermentation mummification storehouse 12, electric cabinet 9 is connected to heating coil 11, still is provided with temperature sensor 10 in the fermentation mummification storehouse 12, temperature sensor 10 is connected with electric cabinet 9 and fan 8's control system, and temperature sensor 10 is used for monitoring the interior temperature of storehouse, and the temperature that detects should keep at 50-60 ℃, and when the temperature was higher than the standard value, control fan 8 increased power, improved the amount of wind in order to increase dehumidification, cooling performance, when the temperature was less than the standard value, the heating coil 11 of start-up bottom heated up, made the interior environment of storehouse reach the state that matches the moderate degree.
The gas mixing pipe 7 is further provided with a filter box 71, and the filter box 71 is used for filtering (killing) microorganisms in the air so as to avoid the microorganisms from entering the bin to influence the fermentation process.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A biological drying oxygen supply system for domestic garbage treatment comprises: fermentation mummification storehouse (12), its characterized in that: fermentation mummification storehouse (12) is connected with gas-mixing pipe (7), be provided with oxygen concentration monitor (4), oxygen hose (5) and fan (8) on gas-mixing pipe (7), oxygen hose (5) are connected with gas-mixing pipe (7), oxygen concentration monitor (4) set up and are being located between oxygen hose (5) and fermentation mummification storehouse (12), set up automatically controlled governing valve (6) on oxygen hose (5), automatically controlled governing valve (6) control end is connected with oxygen concentration monitor (4), oxygen concentration monitor (4) are used for monitoring gas-mixing pipe (7) interior oxygen concentration whether be in 30-40% within range and are adjusting the aperture size in the automatically controlled governing valve of signal control (6) after surpassing the scope.
2. The bio-drying oxygen supply system for domestic waste treatment according to claim 1, wherein: the bottom is provided with heating coil (11) in fermentation mummification storehouse (12), heating coil (11) are connected electric cabinet (9).
3. The bio-drying oxygen supply system for domestic waste treatment according to claim 2, wherein: and a temperature sensor (10) is further arranged in the fermentation drying bin (12), and the temperature sensor (10) is connected with a control system of the electric cabinet (9) and the fan (8).
4. The bio-drying oxygen supply system for household garbage treatment according to claim 1, characterized in that: the fermentation sensitization storehouse (12) is also connected with a waste discharge pipe (2), and a waste suction fan (3) is arranged on the waste discharge pipe (2).
5. The bio-drying oxygen supply system for domestic waste treatment according to claim 4, wherein: the waste discharge pipe (2) is connected to the waste gas treatment device (1).
6. The bio-drying oxygen supply system for domestic waste treatment according to claim 1, wherein: the air mixing pipe (7) is also provided with a filter box (71), and the filter box (71) is used for filtering microorganisms in the air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011437675.4A CN114618872A (en) | 2020-12-11 | 2020-12-11 | Biological drying oxygen supply system for household garbage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011437675.4A CN114618872A (en) | 2020-12-11 | 2020-12-11 | Biological drying oxygen supply system for household garbage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114618872A true CN114618872A (en) | 2022-06-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011437675.4A Pending CN114618872A (en) | 2020-12-11 | 2020-12-11 | Biological drying oxygen supply system for household garbage treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114618872A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203900091U (en) * | 2014-06-19 | 2014-10-29 | 北方工程设计研究院有限公司 | Stabilizing treatment system for organic solid waste |
| CN109201706A (en) * | 2018-10-09 | 2019-01-15 | 厦门市联谊吉源环保工程有限公司 | The biological dewatered processing unit of house refuse and processing method |
| CN210497617U (en) * | 2019-07-12 | 2020-05-12 | 舒慧琼 | Novel organic waste cyclic utilization fermentation oxygen suppliment is supplementary device |
-
2020
- 2020-12-11 CN CN202011437675.4A patent/CN114618872A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203900091U (en) * | 2014-06-19 | 2014-10-29 | 北方工程设计研究院有限公司 | Stabilizing treatment system for organic solid waste |
| CN109201706A (en) * | 2018-10-09 | 2019-01-15 | 厦门市联谊吉源环保工程有限公司 | The biological dewatered processing unit of house refuse and processing method |
| CN210497617U (en) * | 2019-07-12 | 2020-05-12 | 舒慧琼 | Novel organic waste cyclic utilization fermentation oxygen suppliment is supplementary device |
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