CN114540158A - Organic anaerobic dry-type discharging system - Google Patents
Organic anaerobic dry-type discharging system Download PDFInfo
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- CN114540158A CN114540158A CN202210247218.1A CN202210247218A CN114540158A CN 114540158 A CN114540158 A CN 114540158A CN 202210247218 A CN202210247218 A CN 202210247218A CN 114540158 A CN114540158 A CN 114540158A
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- pipe
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- 238000007599 discharging Methods 0.000 title claims abstract description 71
- 239000000463 material Substances 0.000 claims abstract description 68
- 238000006243 chemical reaction Methods 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000011081 inoculation Methods 0.000 abstract description 5
- 244000005700 microbiome Species 0.000 abstract description 5
- 238000000855 fermentation Methods 0.000 description 9
- 230000004151 fermentation Effects 0.000 description 8
- 238000010992 reflux Methods 0.000 description 4
- 239000002657 fibrous material Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/26—Conditioning fluids entering or exiting the reaction vessel
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/02—Stirrer or mobile mixing elements
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Zoology (AREA)
- Biomedical Technology (AREA)
- Sustainable Development (AREA)
- Microbiology (AREA)
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- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Biotechnology (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses an organic anaerobic dry-type discharging system, wherein a discharge hole of a reaction tank is provided with a main discharging device and an auxiliary discharging device, a feed hole of the reaction tank is provided with a main feeding device and an auxiliary feeding device, the auxiliary discharging device is connected with an inclined return pipe, and an outlet of the return pipe is respectively connected with the main feeding device and the auxiliary feeding device. The invention has the advantages that the main discharging device is arranged at the outlet of the reaction tank to output the fermented material to the next equipment, the auxiliary discharging device is arranged to convey part of the fermented material serving as a strain to the main feeding device and the auxiliary feeding device which are arranged at the inlet of the reaction tank through the return pipe, so that the new materials of the main feeding device and the auxiliary feeding device are stirred and mixed with the strain for inoculation, anaerobic microorganisms are replaced to serve as the strain, and the new materials in the feeding device are inoculated through the inoculator, so that the production cost can be reduced.
Description
Technical Field
The invention relates to the technical field of organic waste treatment, disposal and recycling, in particular to an organic anaerobic dry-type discharging system.
Background
The anaerobic fermentation technology refers to a biomass technology for converting organic garbage into methane, and can be divided into dry fermentation (the solid content is 20-40%) and wet fermentation (the solid content is less than or equal to 15%) according to the difference of the solid content of the fed materials. Compared with wet fermentation, dry fermentation has the advantages of small volume, high organic load, high gas production rate, small occupied area, low energy consumption and the like, and simultaneously effectively avoids the problems of biogas residue crusting, secondary pollution of biogas slurry and the like in wet fermentation.
In the conventional dry fermentation strain, anaerobic microorganisms are used as strains, and the inoculator inoculates materials in the feeding device, so that long-term continuous inoculation is required for ensuring the gas production rate and the gas production stability, and a large amount of anaerobic microorganisms are required, so that the cost is increased.
Disclosure of Invention
The invention aims to provide an organic anaerobic dry-type discharging system, which utilizes fermented materials as strains to inoculate new materials at the inlet of a reaction tank and reduces the production cost.
In order to achieve the purpose, the invention adopts the following technical scheme.
The organic anaerobic dry-type discharging system is characterized in that a main discharging device and an auxiliary discharging device are arranged at a discharging port of a reaction tank, a main feeding device and an auxiliary feeding device are arranged at a feeding port of the reaction tank, an inclined return pipe is connected to the auxiliary discharging device, and an outlet of the return pipe is connected with the main feeding device and the auxiliary feeding device respectively.
According to the invention adopting the technical scheme, the main discharging device is arranged at the outlet of the reaction tank to output the fermented material to the next equipment, the auxiliary discharging device is arranged to convey part of the fermented material serving as a strain to the main feeding device and the auxiliary feeding device which are arranged at the inlet of the reaction tank through the return pipe, so that the new materials of the main feeding device and the auxiliary feeding device are stirred, mixed and inoculated with the strain, instead of inoculating anaerobic microorganisms serving as the strain to inoculate the new materials in the feeding device, the production cost can be reduced; meanwhile, fermented materials in the auxiliary discharging device can be continuously output, so that the continuity of inoculation is ensured, and the fermentation efficiency is improved.
Preferably, the main discharging device comprises a first material pipe which is inserted downwards and obliquely and extends into the bottom of the reaction tank, a first rotating shaft is coaxially installed in the first material pipe, one end of the first rotating shaft, which extends out of the first material pipe, is connected with the motor, and a first helical blade is installed on the rotating shaft in a surrounding manner.
The first rotating shaft is driven by the motor, and the first rotating helical blade lifts the fermented material at the outlet end of the reaction tank into the first material pipe of the main discharging device.
Preferably, the main discharging device further comprises a first discharging pipe connected and communicated with the first material pipe, and the first discharging pipe is horizontally arranged and forms an acute angle with the first material pipe.
Through with first discharging pipe and first material union coupling, with fermented material in the first discharging pipe through first discharging pipe to subsequent equipment output, with first discharging pipe level setting and first material pipe formation acute angle, the dead weight of accessible material falls in first discharging pipe to be convenient for with first discharging pipe level setting with subsequent equipment connection.
Preferably, the auxiliary discharging device comprises a second material pipe horizontally extending into the reaction tank, a second rotating shaft is coaxially installed in the second material pipe, one end of the second rotating shaft extending out of the first material pipe is connected with the motor, and a second helical blade is installed on the rotating shaft in a surrounding mode.
The second rotating shaft is driven by the motor, and the material fermented at the outlet end of the reaction tank is lifted into the second material pipe of the auxiliary discharging device by the rotating second helical blade.
Preferably, the auxiliary discharging device further comprises a second discharging pipe connected and communicated with the second material pipe, and the second discharging pipe is perpendicular to the second material pipe.
Through being connected second discharging pipe and second material pipe are perpendicular, make the material that enters into in the second discharging pipe fall into the second discharging pipe perpendicularly through self gravity, can improve the mobility of material in the second discharging pipe, avoid being blockked up by the fibre in the material.
Preferably, a water injection port is installed at the lower end of the second discharge pipe and is connected with a connecting pipe which is horizontally installed, one end of the connecting pipe is connected with an inlet of the screw pump, and an outlet of the screw pump is connected with the return pipe.
Because partial fiber materials still exist in the fermented materials, the connecting pipe which is horizontally arranged can be blocked by the fiber materials after long-term use, so that the smoothness of the connecting pipe is influenced, the water injection port is arranged on the second discharging pipe above the connecting pipe, the fiber materials can be diluted by water, the connecting pipe is kept smooth, and the materials are conveyed by the screw pump, so that the materials can smoothly reach the feeding device through the return pipe.
Preferably, a knife gate valve is installed at the upper end of the second discharge pipe.
The second tapping pipe can be closed by providing a knife gate valve.
Preferably, the reflux pipe extends obliquely upwards along the length direction of the reaction tank to the top of the outlet of the reaction tank.
The reflux pipe extends upwards to the top of the outlet of the reaction tank along the length direction of the reaction tank in an inclined mode, so that the reflux pipe has a certain inclination, materials passing through the screw pump are conveyed from low to high, the reflux pipe can be filled with the materials during conveying, the materials can be continuously and uniformly input to the feeding device, and the stability of inoculation bacteria is kept.
Preferably, a support frame is installed on the installation surface of the reaction tank, a plurality of support columns are arranged on the support frame, and the support columns are used for uniformly supporting the length direction of the return pipe.
The backflow pipe is supported by the supporting frame, and stable operation of the backflow pipe is guaranteed.
Preferably, the outlet end of the return pipe is provided with a branch, and forms a first return pipe outlet and a second return pipe outlet, and the first return pipe outlet and the second return pipe outlet are respectively connected with the main feeding device and the auxiliary feeding device.
Through being connected with main feed arrangement and vice feed arrangement respectively after setting up the bifurcation with the back flow, after main feed arrangement's feedstock channel closed, the material passageway of the vice feed arrangement of accessible gets into in the retort, inoculates the material, all is provided with the valve on main feed arrangement and the vice feed arrangement to satisfy different operating mode demands.
The invention has the advantages that the main discharging device is arranged at the outlet of the reaction tank to output the fermented material to the next device, the auxiliary discharging device is arranged to convey part of the fermented material as a strain to the main feeding device and the auxiliary feeding device which are arranged at the inlet of the reaction tank through the return pipe, so that the new materials of the main feeding device and the auxiliary feeding device are stirred, mixed and inoculated with the strain, instead of inoculating the new materials in the feeding device by using an inoculator to take anaerobic microorganisms as the strain, the production cost can be reduced; meanwhile, fermented materials in the auxiliary discharging device can be continuously output, so that the continuity of inoculation is ensured, and the fermentation efficiency is improved.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a left side view of FIG. 1 in accordance with the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention;
fig. 5 is a right side view of fig. 1.
Detailed Description
The present invention is further described with reference to the accompanying drawings, but the invention is not limited thereby within the scope of the described embodiments.
The invention description reference numerals include: the device comprises a reaction tank 1, a discharge hole 11, a feed inlet 12, an auxiliary discharge device 2, a second discharge pipe 21, a second rotating shaft 22, a second helical blade 23, a second material pipe 24, a main discharge device 3, a first discharge pipe 31, a first rotating shaft 32, a first helical blade 33, a first material pipe 35, a water filling port 36, a screw pump 4, a connecting pipe 41, a return pipe 5, a first return pipe outlet 51, a second return pipe outlet 52, a main feed device 7, an auxiliary feed device 71, a knife gate valve 8 and a support frame 9.
Referring to fig. 1 to 5, the organic anaerobic dry discharging system comprises a reaction tank 1, wherein a discharge port 11 of the reaction tank 1 is provided with a main discharging device 3 and an auxiliary discharging device 2, a feed port 12 of the reaction tank 1 is provided with a main feeding device 7 and an auxiliary feeding device 71, the auxiliary discharging device 2 is connected with an inclined return pipe 5, and an outlet of the return pipe 5 is respectively connected with the main feeding device 7 and the auxiliary feeding device 71.
Referring to fig. 3, the main discharging device 3 includes a first material pipe 35 inserted obliquely downward and extending into the bottom of the reaction tank 1, a first rotating shaft 32 is coaxially installed in the first material pipe 35, one end of the first rotating shaft 32 extending out of the first material pipe 35 is connected with a motor, and a first helical blade 33 is installed on the first rotating shaft 32 in a surrounding manner.
Referring to fig. 3, the main discharging device 3 further includes a first discharging pipe 31 connected to and communicated with the first material pipe 35, and the first discharging pipe 31 is horizontally disposed and forms an acute angle with the first material pipe 35.
Referring to fig. 1 and 4, the auxiliary discharging device 2 includes a second material pipe 24 horizontally extending into the reaction tank 1, a second rotating shaft 22 is coaxially installed in the second material pipe 24, one end of the second rotating shaft 22 extending out of the first material pipe 35 is connected with a motor, and a second helical blade is installed on the second rotating shaft 22 in a surrounding manner.
Referring to fig. 2, the auxiliary discharging device 2 further includes a second discharging pipe 21 connected and communicated with a second material pipe 24, and the second discharging pipe 21 is perpendicular to the second material pipe 24. And a knife gate valve 8 is arranged at the upper end of the second discharge pipe 24.
Referring to fig. 1 and 5, the lower end of the second discharging pipe 24 is provided with a water filling port 36 and is connected with a horizontally arranged connecting pipe 41, one end of the connecting pipe 41 is connected with the inlet of the screw pump 4, and the outlet of the screw pump 4 is connected with the return pipe 5.
Referring to fig. 1, the return pipe 5 extends obliquely upward along the length of the reaction tank 1 to the top of the outlet of the reaction tank 1. The mounting surface of the reaction tank 1 is provided with a support frame 9, the support frame 9 is provided with a plurality of support columns, and the support columns uniformly support the length direction of the return pipe 5.
Referring to fig. 1 and 5, the outlet end of the return pipe 5 is provided with a bifurcation and forms a first return pipe outlet 51 and a second return pipe outlet 52, the first return pipe outlet 51 and the second return pipe outlet 52 being connected to the main feeding device 7 and the sub-feeding device 71, respectively.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The organic anaerobic dry-type discharging system is characterized by comprising a reaction tank (1), wherein a main discharging device (3) and an auxiliary discharging device (2) are arranged at a discharging port (11) of the reaction tank (1), a main feeding device (7) and an auxiliary feeding device (71) are arranged at a feeding port (12) of the reaction tank (1), an inclined return pipe (5) is connected to the auxiliary discharging device (2), and an outlet of the return pipe (5) is respectively connected with the main feeding device (7) and the auxiliary feeding device (71).
2. The organic anaerobic dry discharging system as claimed in claim 1, wherein the main discharging device (3) comprises a first material pipe (35) inserted obliquely downward and extending into the bottom of the reaction tank (1), a first rotating shaft (32) is coaxially installed in the first material pipe (35), one end of the first rotating shaft (32) extending out of the first material pipe (35) is connected with a motor, and a first helical blade (33) is installed on the first rotating shaft (32) in a surrounding manner.
3. The organic anaerobic dry discharging system according to claim 2, wherein the main discharging device (3) further comprises a first discharging pipe (31) connected and communicated with the first material pipe (35), the first discharging pipe (31) being horizontally arranged and forming an acute angle with the first material pipe (35).
4. The organic anaerobic dry discharging system according to claim 1, wherein the secondary discharging device (2) comprises a second material pipe (24) horizontally extending into the reaction tank (1), a second rotating shaft (22) is coaxially installed in the second material pipe (24), one end of the second rotating shaft (22) extending out of the first material pipe (35) is connected with a motor, and a second helical blade (23) is installed on the second rotating shaft (22) in a surrounding manner.
5. The organic anaerobic dry discharge system according to claim 4, wherein the secondary discharge device (2) further comprises a second discharge pipe (21) connected to and communicating with a second feed pipe (24), the second discharge pipe (21) being perpendicular to the second feed pipe (24).
6. The organic anaerobic dry discharging system according to claim 5, wherein the lower end of the second discharging pipe (21) is provided with a water injection port (36) and connected with a horizontally installed connecting pipe (41), one end of the connecting pipe (41) is connected with an inlet of a screw pump (4), and an outlet of the screw pump (4) is connected with the return pipe (5).
7. The organic anaerobic dry discharge system according to claim 5, characterized in that the upper end of the second discharge pipe (21) is fitted with a knife gate valve (8).
8. The organic anaerobic dry discharge system according to claim 1, wherein the return pipe (5) extends obliquely upward along the length of the reaction tank (1) to the top of the outlet of the reaction tank (1).
9. The organic anaerobic dry discharging system according to claim 1, wherein a support frame (9) is installed on the installation surface of the reaction tank (1), a plurality of support columns are arranged on the support frame (9), and the support columns are used for uniformly supporting the length direction of the return pipe (5).
10. The organic anaerobic dry discharge system according to claim 1, wherein the outlet end of the return pipe (5) is provided with a bifurcation and forms a first return pipe outlet (51) and a second return pipe outlet (52), the first return pipe outlet (51) and the second return pipe outlet (52) being connected to the main feeding device (7) and the secondary feeding device (71), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210247218.1A CN114540158A (en) | 2022-03-14 | 2022-03-14 | Organic anaerobic dry-type discharging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210247218.1A CN114540158A (en) | 2022-03-14 | 2022-03-14 | Organic anaerobic dry-type discharging system |
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| Publication Number | Publication Date |
|---|---|
| CN114540158A true CN114540158A (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210247218.1A Pending CN114540158A (en) | 2022-03-14 | 2022-03-14 | Organic anaerobic dry-type discharging system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024229923A1 (en) * | 2023-05-09 | 2024-11-14 | 上海市政工程设计研究总院（集团）有限公司 | Back-mixing and discharging device for dry anaerobic system |
-
2022
- 2022-03-14 CN CN202210247218.1A patent/CN114540158A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024229923A1 (en) * | 2023-05-09 | 2024-11-14 | 上海市政工程设计研究总院（集团）有限公司 | Back-mixing and discharging device for dry anaerobic system |
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