CN210765301U - Anaerobic dry fermentation device of tunnel fossil fragments waterwheel formula - Google Patents
Anaerobic dry fermentation device of tunnel fossil fragments waterwheel formula Download PDFInfo
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- CN210765301U CN210765301U CN201921195641.1U CN201921195641U CN210765301U CN 210765301 U CN210765301 U CN 210765301U CN 201921195641 U CN201921195641 U CN 201921195641U CN 210765301 U CN210765301 U CN 210765301U
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Abstract
The utility model discloses a dry fermenting installation of anaerobism of tunnel fossil fragments waterwheel formula, including the tunnel, the both ends in tunnel are equipped with feed gate and discharge door, form an anaerobism space, the built-in anaerobism of anaerobism space is fermenting installation futilely, the anaerobism is fermenting installation futilely includes fossil fragments waterwheel formula agitating unit, feed gate department is equipped with the feeding and stirs up the device, discharge door department is equipped with the ejection of compact and stirs up the device. The utility model discloses the dry fermenting installation of anaerobism of record can save space because of being located the underground, and the heat insulating ability is good, transports the material volume many, the stirring through fossil fragments waterwheel, has very high energy-conserving benefit.
Description
Technical Field
The utility model relates to the technical field of anaerobic dry fermentation treatment of municipal solid waste, in particular to a tunnel keel waterwheel type anaerobic dry fermentation device.
Background
At present, the garbage fermentation treatment process in China mainly comprises two types, namely wet anaerobic fermentation treatment and dry anaerobic fermentation treatment. Because the garbage classification and collection are not strictly performed in China, kitchen garbage, recovered garbage, harmful garbage, other garbage and the like are mixed together, and the biomass waste and other domestic garbage are difficult to effectively separate in a garbage can, a transfer station and the like. Although anaerobic fermentation is the most economic treatment mode, the pretreatment must be carried out in advance aiming at the characteristics of domestic garbage in China, wherein sorting is a key step, and the method is labor-consuming, time-consuming and high in consumption. In view of the fact that the mature anaerobic fermentation technology and equipment are introduced in the urban domestic garbage disposal industry in China at present, the problems can be solved, and various attempts are ended by failures in different degrees. In addition, the existing dry anaerobic fermentation treatment process adopts excessive screening separation and strong extrusion equipment to avoid the problem of excessive impurities. On one hand, the main advantages of the dry anaerobic fermentation technology weakening material pretreatment are lost, on the other hand, the investment and operation cost of the whole system are increased, the organic matters are greatly lost in the screening and separating process, a large amount of leachate is generated, and the treatment of the leachate increases a large amount of cost.
From the view of operation procedures, the dry anaerobic fermentation technology mainly comprises two types, namely sequencing batch dry anaerobic fermentation technology and continuous dry anaerobic fermentation technology. Compared with a sequencing batch dry anaerobic fermentation technology, the continuous dry anaerobic fermentation technology has the advantages of continuous and stable gas production, high dry matter degradation rate and the like, but has the problems of poor material fluidity with high total solid content, poor heat preservation of a tank body, large driving power of a conveying mechanism, high abrasion degree of conveying, feeding and discharging equipment, short service life, poor operation stability, easy clamping stagnation, easy leakage of methane, difficult sealing of a feeding and discharging port and the like.
SUMMERY OF THE UTILITY MODEL
Aiming at the characteristics of complex components, high solid content, more easily degradable components, poor fluidity and the like of municipal domestic waste in China, the municipal waste can be better treated by adopting a continuous dry anaerobic fermentation technology. In order to solve a plurality of problems existing in the continuous dry anaerobic fermentation technology, the utility model discloses a tunnel keel waterwheel type anaerobic dry fermentation device, which has the advantages of plug flow type transmission and continuous feeding and discharging.
The utility model provides a dry fermenting installation of anaerobism of tunnel fossil fragments waterwheel formula, including the tunnel, the both ends in tunnel are equipped with feed gate and discharge door, form an anaerobism space, the built-in anaerobism of anaerobism space is fermenting installation futilely, the anaerobism is fermenting installation futilely includes fossil fragments waterwheel formula agitating unit, feed gate department is equipped with the feeding and stirs up the device, discharge door department is equipped with the ejection of compact and stirs up the device.
Optionally, fossil fragments waterwheel agitating unit includes the fossil fragments waterwheel that arranges along tunnel length direction, the same angle of fossil fragments waterwheel and tunnel slope match the installation, and the last blade next-door neighbour of fossil fragments waterwheel sets up the rigid plate at anaerobism dry fermentation device top, the lower blade and the tunnel bottom in close contact with of fossil fragments waterwheel, and go up the equal next-door neighbour of blade and lower blade and set up the baffle in fossil fragments waterwheel both sides.
Optionally, the keel waterwheel is arranged in parallel along the length direction of the tunnel, two adjacent keel waterwheels share one middle baffle, and the baffles of the keel waterwheels at the two sides are adjacent to the side wall of the tunnel.
Optionally, the tunnel is an underground comprehensive corridor with a certain gradient of anti-seepage and anti-leakage reinforced concrete layer, the upper part of the tunnel is a biogas storage space, the lower part of the tunnel is an anaerobic space, and the two ends of the tunnel are respectively a feeding door and a discharging door with sealing devices.
Optionally, the anaerobic dry fermentation device is located in the anaerobic space, and the anaerobic dry fermentation device comprises a keel water wheel type stirring device and a wall-following coil pipe heat preservation device.
Optionally, the biogas storage space is located at the upper part of the tunnel, and is separated from the middle anaerobic space by a perforated anticorrosive and antirust rigid plate, a vent pipe is arranged in an inner hole of the rigid plate, one end of the vent pipe is connected with the biogas storage space through a valve, and the other end of the vent pipe is connected with the anaerobic space.
Optionally, the biogas storage space is connected with the dehumidifying device, the deodorizing device and the biogas generator in sequence through a main gas transmission pipeline installed at a discharge door of the tunnel.
Optionally, the feeding stirring device is located at the upper part of a feeding door of the tunnel inlet, and the discharging stirring device is located at the bottom of a discharging door of the tunnel outlet.
Optionally, the feeding stirring device and the discharging stirring device are both embedded with a horizontally placed conical bin, and a spiral extrusion type feeding and discharging machine is arranged in the conical bin.
Optionally, fossil fragments waterwheel formula agitating unit includes a plurality of fossil fragments waterwheel, and every fossil fragments waterwheel is equallyd divide respectively to match the feeding at feed position and ejection of compact position and stirs the device and the ejection of compact stirs the device and each one.
Optionally, the chain wheel of each keel waterwheel at the end close to the feeding gate is a driving chain wheel.
Optionally, each feeding stirring device and each discharging stirring device are respectively provided with a corresponding support for supporting, and the concrete installation positions of the feeding stirring devices and the discharging stirring devices do not have movement interference with the keel waterwheel.
Optionally, the material at the outlet of the feeding stirring device can completely fall on the keel water truck, and the material at the inlet of the discharging stirring device can completely be conveyed out of the tunnel.
Optionally, the utility model discloses the dry fermenting installation of anaerobism of tunnel fossil fragments waterwheel formula is located the underground, is equipped with the pan feeding courtyard at tunnel pan feeding end, is equipped with ejection of compact courtyard at the tunnel discharge end.
Has the advantages that:
(1) because the device of the utility model is positioned underground, the space is saved, the situation of a refuse surrounding city can be avoided, the underground space can be recycled, and the service life is as long as that of a reinforced concrete structure;
(2) good heat preservation and high energy-saving benefit. The annual temperature of the underground space below 10m is about 15 ℃, and the anaerobic space in the tunnel can be kept above 35 ℃ due to the temperature rise of anaerobic fermentation, so that a good environment is created for the growth of medium-high temperature anaerobic bacteria.
(3) The construction process of the storage space is mature. The existing tunnel excavation (shield, pipe jacking), seepage-proofing and leakage-proofing and inlet and outlet sealing technologies can be utilized.
(4) The material transportation is labor-saving. The keel waterwheel has the advantages of large material conveying amount, small driving power of the chain wheel mechanism, stable operation and no abrasion of the keel frame.
(5) The dry and wet separation is simple. The water content of the inlet material is high, and after the anaerobic fermentation link, the water content of the outlet material is low, so that dry materials are formed naturally, and the reduction and the stability are good.
(6) The conveying equipment has low wear degree, long service life, good operation stability, low operation cost, easy maintenance, difficult material jamming, easy leakage prevention of methane storage, easy sealing of a feed port and a discharge port and the like.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the tunnel keel waterwheel type anaerobic dry fermentation system of the present invention.
Fig. 2 is a schematic top view of the tunnel keel waterwheel type anaerobic dry fermentation system of the present invention.
Fig. 3 is the utility model discloses a plurality of fossil fragments waterwheel overall layout sketch map one.
Figure 4 is the utility model discloses a single fossil fragments waterwheel overall layout schematic diagram two.
Reference numerals:
1. a spiral feeder; 2. a feeding and stirring device; 3. a reinforced concrete layer; 4. a first bracket; 5. an anaerobic space; 6. a biogas storage space; 7. a main gas transmission pipeline; 8. a discharging and stirring device; 9. a second bracket; 10. a feed gate; 11. a discharge door; 12. keel waterwheel; 13. an upper blade; 14. a lower blade; 15. a baffle plate; 16. and (5) a rock-soil layer.
Detailed Description
The utility model discloses a dry fermentation device of anaerobism of tunnel fossil fragments waterwheel formula is explained in detail below with reference to fig. 1, fig. 2, fig. 3 and fig. 4, the utility model discloses a dry fermentation device of anaerobism of tunnel fossil fragments waterwheel formula, including the tunnel, the both ends in tunnel are equipped with feed gate 10 and discharge door 11, form an anaerobism space 5, the dry fermentation device of anaerobism space 5 built-in anaerobism, the dry fermentation device of anaerobism includes fossil fragments waterwheel formula agitating unit, feed gate 10 department is equipped with the feeding and stirs up device 2, discharge door 11 department is equipped with the ejection of compact and stirs up device 8. Fossil fragments waterwheel formula agitating unit can be through continuous the upset come to last even stirring to the material in the anaerobic space 5 to guarantee the fermentation inoculation effect.
Referring to fig. 3 and 4, optionally, the keel waterwheel type stirring device comprises a keel waterwheel 12 arranged along the length direction of the tunnel, the keel waterwheel 12 is installed in a manner of being matched with the slope of the tunnel at the same angle, an upper blade 13 of the keel waterwheel 12 is closely adjacent to a rigid plate arranged at the top of the anaerobic dry fermentation device, a lower blade 14 of the keel waterwheel 12 is closely contacted with the bottom of the tunnel, and both the upper blade 13 and the lower blade 14 are closely adjacent to baffle plates 15 arranged at both sides of the keel waterwheel 12.
Optionally, a plurality of keel waterwheels 12 are arranged in parallel along the length direction of the tunnel, two adjacent keel waterwheels 12 share one middle baffle 15, and the baffles 15 of the keel waterwheels 12 at the two extreme sides are adjacent to the side wall of the tunnel.
Optionally, the tunnel is an underground comprehensive corridor with a certain gradient of anti-seepage and anti-leakage reinforced concrete layer 3, the upper part of the tunnel is a biogas storage space 6, the lower part of the tunnel is an anaerobic space 5, and the two ends of the tunnel are respectively provided with a feeding door 10 and a discharging door 11 with sealing devices.
In particular, the anaerobic space 5 may be an anaerobic tank.
Optionally, the anaerobic dry fermentation device is located in the anaerobic space 5, and the anaerobic dry fermentation device comprises a keel water wheel type stirring device and a wall-following coil pipe heat preservation device.
Optionally, the biogas storage space 6 is located at the upper part of the tunnel and is separated from the middle anaerobic space 5 by a perforated corrosion-resistant and rust-resistant rigid plate, a vent pipe is arranged in an inner hole of the rigid plate, one end of the vent pipe is connected with the biogas storage space 6 through a valve, and the other end of the vent pipe is connected with the anaerobic space 5.
Optionally, the biogas storage space 6 is connected in turn to a dehumidifying device, a deodorizing device and a biogas generator via a main gas pipe 7 mounted at a discharge door 11 of the tunnel.
Optionally, the feeding stirring device 2 is located at the upper part of a feeding door 10 of the tunnel inlet, and the discharging stirring device 8 is located at the bottom of a discharging door 11 of the tunnel outlet.
Optionally, the feeding stirring device 2 and the discharging stirring device 8 are both embedded with a transverse conical bin, and a spiral extrusion type feeding and discharging machine is arranged in the conical bin.
Optionally, fossil fragments waterwheel formula agitating unit includes a plurality of fossil fragments waterwheel 12, and every fossil fragments waterwheel 12 is equallyd divide respectively to match the feeding at feed position and ejection of compact position and stirs device 2 and the ejection of compact and stir device 8 and respectively one.
Optionally, the sprocket at the end of each keel trolley 12 near the feed gate 10 is a drive sprocket.
Optionally, each feeding stirring device 2 and each discharging stirring device 8 are respectively provided with a corresponding support for supporting, and the concrete installation positions of the feeding stirring device 2 and the discharging stirring device 8 do not have movement interference with the keel waterwheel 12.
Optionally, the material at the outlet of the feeding stirring device 2 can completely fall on the keel water wheel 12, and the material at the material inlet of the discharging stirring device 8 can completely be conveyed out of the tunnel.
The ejection of compact is stirred device 8 and is located material outlet bottom, and the conical bin of an embedded horizontal sets up spiral extrusion formula ejection of compact machine in the storehouse, is supported by two 9 supports, and the ejection of compact is stirred device 8's concrete mounted position and should be guaranteed that it does not appear the motion with fossil fragments waterwheel 12 and interfere and can carry the material in the tunnel out of the tunnel completely. After the anaerobic dry fermentation residues are dehydrated, the liquid part flows back to the spiral stirrer, and the solid biogas residue part is subjected to aerobic composting treatment and used for producing high-quality fertilizers.
It is further noted that the screw feeder 1 and the material crusher may be placed at the location of the feeding patio.
Optionally, the utility model discloses the dry fermenting installation of anaerobism of tunnel fossil fragments waterwheel formula is located the ground layer 16 under, is equipped with the pan feeding courtyard at tunnel pan feeding end, is equipped with ejection of compact courtyard at the tunnel discharge end. The feed patio and the discharge patio can be provided with sealing covers for isolating peculiar smell and further ensuring the effect of anaerobic environment.
Further explaining, the process for performing the garbage fermentation treatment by using the utility model comprises five parts of raw material mixing, sealed feeding, anaerobic dry fermentation, biogas purification and collection and biogas residue solid-liquid separation.
The movement of the keel waterwheel 12 is controlled by a variable frequency motor, and materials are driven by the keel waterwheel 12 to move from the feeding hole to the discharging hole. The wall-following coil pipe heat preservation device in the anaerobic dry fermentation device can control the fermentation to be always in the optimal temperature range. The retention time of the material in the anaerobic dry fermentation device is set to be 25 days.
The above, only be the better embodiment of the utility model discloses, not to the utility model discloses do the restriction of any formality, the utility model discloses the relevant technical personnel in field utilize above technique to do simple modification or change, all fall within the protection scope of the utility model.
Claims (10)
1. The utility model provides a dry fermenting installation of anaerobism of tunnel fossil fragments waterwheel formula which characterized in that: the anaerobic fermentation device comprises a tunnel, wherein a feeding door and a discharging door are arranged at two ends of the tunnel to form an anaerobic space, an anaerobic dry fermentation device is arranged in the anaerobic space, the anaerobic dry fermentation device comprises a keel waterwheel type stirring device, the feeding door is provided with a feeding stirring device, and the discharging door is provided with a discharging stirring device.
2. The tunnel keel waterwheel type anaerobic dry fermentation device according to claim 1, wherein: fossil fragments waterwheel agitating unit includes the fossil fragments waterwheel that arranges along tunnel length direction, the same angle matching installation of fossil fragments waterwheel and tunnel slope, the last blade next-door neighbour of fossil fragments waterwheel sets up in the rigid plate at anaerobism dry fermentation device top, the lower blade and the tunnel bottom in close contact with of fossil fragments waterwheel, and the equal next-door neighbour of last blade and lower blade sets up the baffle in fossil fragments waterwheel both sides.
3. The tunnel keel waterwheel type anaerobic dry fermentation device according to claim 2, wherein: the keel waterwheel is arranged in parallel along the length direction of the tunnel, two adjacent keel waterwheels share one middle baffle, and the baffles of the keel waterwheels at the two sides are tightly adjacent to the side wall of the tunnel.
4. The tunnel keel waterwheel type anaerobic dry fermentation device according to claim 1, wherein: the tunnel is an underground comprehensive corridor with a certain gradient of anti-seepage and anti-leakage reinforced concrete layer, the upper part of the tunnel is a biogas storage space, the lower part of the tunnel is an anaerobic space, and the two ends of the tunnel are respectively a feeding door and a discharging door with sealing devices.
5. The tunnel keel waterwheel type anaerobic dry fermentation device according to claim 1, wherein: the anaerobic dry fermentation device is positioned in the anaerobic space and comprises a keel water wheel type stirring device and a wall-following coil pipe heat preservation device.
6. The tunnel keel waterwheel type anaerobic dry fermentation device according to claim 4, wherein: the methane storage space is positioned at the upper part of the tunnel and is separated from the middle anaerobic space by a perforated anticorrosive and antirust rigid plate, a vent pipe is arranged in an inner hole of the rigid plate, one end of the vent pipe is connected with the methane storage space by a valve, and the other end of the vent pipe is connected with the anaerobic space.
7. The tunnel keel waterwheel type anaerobic dry fermentation device according to claim 6, wherein: the methane storage space is connected with a dehumidifying device, a deodorizing device and a methane generator in sequence through a main gas transmission pipeline arranged at a discharge door of the tunnel.
8. The tunnel keel waterwheel type anaerobic dry fermentation device according to claim 1, wherein: the feeding stirring device is positioned at the upper part of a feeding door of the tunnel inlet, and the discharging stirring device is positioned at the bottom of a discharging door of the tunnel outlet.
9. The tunnel keel waterwheel type anaerobic dry fermentation device according to claim 8, wherein: the feeding stirring device and the discharging stirring device are both embedded with a horizontally placed conical bin, and a spiral extrusion type feeding and discharging machine is arranged in the conical bin.
10. The tunnel keel waterwheel type anaerobic dry fermentation device according to claim 3, wherein: fossil fragments waterwheel formula agitating unit includes a plurality of fossil fragments waterwheel, and every fossil fragments waterwheel is equallyd divide respectively to match the feeding at feed position and ejection of compact position and stirs the device and the ejection of compact stirs the device and gathers the device one respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921195641.1U CN210765301U (en) | 2019-07-28 | 2019-07-28 | Anaerobic dry fermentation device of tunnel fossil fragments waterwheel formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921195641.1U CN210765301U (en) | 2019-07-28 | 2019-07-28 | Anaerobic dry fermentation device of tunnel fossil fragments waterwheel formula |
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| Publication Number | Publication Date |
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| CN210765301U true CN210765301U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921195641.1U Expired - Fee Related CN210765301U (en) | 2019-07-28 | 2019-07-28 | Anaerobic dry fermentation device of tunnel fossil fragments waterwheel formula |
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| CN (1) | CN210765301U (en) |
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- 2019-07-28 CN CN201921195641.1U patent/CN210765301U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 Termination date: 20210728 |