CN212494479U - Anaerobic digestion device for kitchen waste - Google Patents
Anaerobic digestion device for kitchen waste Download PDFInfo
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- CN212494479U CN212494479U CN202020272498.8U CN202020272498U CN212494479U CN 212494479 U CN212494479 U CN 212494479U CN 202020272498 U CN202020272498 U CN 202020272498U CN 212494479 U CN212494479 U CN 212494479U
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Abstract
The utility model discloses a kitchen garbage's anaerobic digestion device, including a shell A, two-way water pump and water tank set up a digestion tank in the shell A, cavity between digestion tank and the shell A to the cover has a temperature control pipe, shell A top sets up a reducing mechanism, and reducing mechanism fixed mounting is in shell A up end, the digestion tank bottom sets up a water inlet and the circulation mouth of a river, a pipeline B one end and circulation mouth of a river intercommunication, the water inlet passes through pipeline A and pipeline B intercommunication, the pipeline B other end and two-way water pump a mouthful intercommunication, another mouthful of intercommunication pipeline C of two-way water pump, the water tank bottom sets up an outlet pipe, outlet pipe and pipeline C intercommunication, pipeline C middle part intercommunication pipeline D, the pipeline D other end and digestion tank side top intercommunication. The utility model relates to a rationally, simple structure can smash kitchen garbage and diminish its volume to provide the required temperature of bacterium digestion process, improve its digestion reaction rate.
Description
Technical Field
The utility model relates to the field, in particular to an anaerobic digestion device for kitchen waste.
Background
The kitchen waste refers to food waste, food residues, food processing waste, inedible animal and vegetable oil and fat and various oil-water mixtures in families, schools, institutions, public dining halls and catering industries, and is part of municipal domestic waste. At present, domestic kitchen waste treatment modes mainly take landfill and incineration treatment together with household garbage, the landfill treatment modes can reduce the service life of a landfill site, and for the incineration treatment modes, only a few developed cities such as Shenzhen and the like in China adopt a waste incineration technology, and harmful gases such as dioxin, nitrogen oxides, sulfur dioxide and the like, dust, waste water and the like generated by incineration cannot be effectively controlled. In order to realize sustainable development of resources, a more effective treatment mode must be found, effective recycling of the kitchen garbage is realized, and great significance is brought to the economic and environmental development of China.
Anaerobic digestion is a series of processes in which microorganisms break down biodegradable materials in the absence of oxygen. The biodegradable material comprises waste paper, kitchen waste, high-concentration organic wastewater, animal excrement, liquid waste and the like. Anaerobic digestion is suitable for the treatment of moist organic material and is widely used for the treatment of organic waste.
For example, chinese patent document CN102939369A (application No. 201080063847.4) discloses an anaerobic reactor in the form of a tank, divided into separate chambers by solid members. Each chamber includes a feed distribution system, packed beds, and means for biogas and liquid discharge. In use, the feed distribution system distributes feed material substantially evenly across the base of each chamber. Each stacked reaction chamber preferably comprises a mixing space containing or adapted to contain a feed line or feed distribution system. The feed distribution system is operable to deliver and distribute feed to the base of the chamber and mix it with anaerobic bacteria. Above the mixing space, a packed bed with an upper and a lower packed grid is usually provided. The packed bed includes packing media and anaerobic bacteria. The feed in the mixing space is converted mainly into volatile fatty acids, hydrogen and carbon dioxide by anaerobic bacteria comprised in the chamber. Any suitable packing medium may be used in the packed bed. The packing medium has a high surface area to volume ratio in order to provide a suitable environment for methanogenic bacteria. However, the anaerobic reactor has a complex structure, and the control of the inflow and outflow of materials is complicated during operation. And the temperature required by the bacterial digestion reaction cannot be provided, so that the reaction is slow, and the kitchen waste is large in volume and the digestion rate is reduced.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above insufficiency, the utility model provides a reasonable in design here, simple structure can become rubbish volume diminish, provides the kitchen garbage's of the required temperature of bacterial digestion anaerobic digestion device.
The utility model discloses a realize like this, construct a kitchen garbage's anaerobic digestion device, including a shell A, two-way water pump and water tank set up a digester tank in the shell A, cavity between digester tank and the shell A to the cover has a temperature control pipe, shell A top sets up a reducing mechanism, and reducing mechanism fixed mounting is in shell A up end, the digester tank bottom sets up a water inlet and the circulating water mouth, a pipeline B one end and circulating water mouth intercommunication, the water inlet passes through pipeline A and pipeline B intercommunication, the pipeline B other end and two-way water pump a mouthful intercommunication, another mouthful of intercommunication pipeline C of two-way water pump, the water tank bottom sets up an outlet pipe, outlet pipe and pipeline C intercommunication, pipeline C middle part intercommunication pipeline D, the pipeline D other end and digester tank side top intercommunication.
Furthermore, the digestion tank is internally divided into a solid-phase reaction zone and a liquid-phase reaction zone, the solid-phase reaction zone is arranged at the top of the digestion tank, and the liquid-phase reaction zone is positioned right below the solid-phase reaction zone.
Further, the liquid phase reaction zone comprises a filler, a sieve plate A and a sieve plate B, the sieve plate A is arranged below the solid phase reaction zone and is fixedly connected with the digestion tank, the sieve plate B is arranged at the bottom of the liquid phase reaction zone and is fixedly connected with the digestion tank, and the filler is arranged between the sieve plate A and the sieve plate B.
Furthermore, a sludge discharge port is arranged at the bottom of the solid-phase reaction zone, a gas discharge port is arranged at the top of the digestion tank, and a temperature sensor is arranged inside the digestion tank.
Further, reducing mechanism includes a motor, shell B and grinder, the motor passes through a base fixed mounting in shell A up end, shell B bottom and digester tank inside top intercommunication to with shell A fixed connection, set up a grinder in the shell B, the grinder both ends are passed through the bearing with shell B and are articulated, and shell B is stretched out to one end, is connected with the motor shaft.
Further, shell B includes a feeder hopper, a movable bin, fixed storehouse and a hopper, go out hopper bottom opening part and digester tank inside top intercommunication, go out a fixed storehouse of hopper up end fixed connection, fixed storehouse upper end sets up a movable bin, the movable bin is articulated through a round pin axle and the fixed storehouse back, and the movable bin top sets up a feeder hopper.
Further, the movable bin is connected with the fixed bin openly and is set up a pair of hasp, set up a board in the movable bin and the feeder hopper junction, the board both sides are articulated through an axle and shell B inner wall, and shell B and a handheld pole fixed connection are stretched out to axle one end.
Furthermore, an arc-shaped groove is formed in one side of the joint of the handheld rod and the plate, and a fastening bolt is arranged in the groove and is in threaded connection with the shell.
Furthermore, a valve A is arranged at the joint of the pipeline B and the circulating water port, a valve B is arranged in the pipeline A, a valve C is arranged at the joint of the pipeline C and the pipeline D, and a valve D is arranged in the water outlet pipe.
The utility model has the advantages of as follows: the utility model relates to a rationally, simple structure can smash kitchen garbage and diminish its volume to provide the required temperature of bacterium digestion process, improve its digestion reaction rate. Through reasonable design reducing mechanism, reducing mechanism includes a motor, shell B and grinder, the motor is through a base fixed mounting in shell A up end, shell B bottom and digestion tank top intercommunication to with shell A fixed connection, set up a grinder in the shell B, the grinder both ends pass through the bearing with shell B and articulate, and shell B is stretched out to one end, is connected with the motor shaft, smashes rubbish through reducing mechanism, diminishes its volume, increases the area of contact of rubbish and digestion bacterium, increases its reaction efficiency.
Reasonable design shell B, shell B includes a feeder hopper, a movable bin, fixed storehouse and a hopper, go out hopper bottom opening part and digester tank top intercommunication, go out a hopper up end fixed connection fixed storehouse, the fixed storehouse upper end sets up a movable bin, the movable bin is articulated through a round pin axle and fixed storehouse back, and the movable bin top sets up a feeder hopper, is convenient for wash reducing mechanism.
Reasonable design board, set up a board in activity storehouse and the feeder hopper junction, the board both sides are articulated through an axle and shell B inner wall, and shell B and a handheld pole fixed connection are stretched out to axle one end. The speed of the garbage entering the digestion tank is convenient to control.
The digestion tank is hollow with the shell A, and is sleeved with a temperature control pipe, so that a required temperature condition is provided for the digestion process, and the reaction rate of the digestion bacteria is accelerated.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view B-B of FIG. 2;
FIGS. 4 to 6 are schematic structural views of the crushing apparatus;
FIG. 7 is a cross-sectional view A-A of FIG. 5;
wherein: 1. a housing A; 2. a crushing device; 2.1, a base; 2.2, a motor; 2.3, a shell B; 2.31, a discharge hopper; 2.32, a movable cabin; 2.33, a feed hopper; 2.34, a fixed bin; 2.4, locking; 2.5, holding the rod by hand; 2.6, fastening bolts; 2.7, a pulverizer; 2.8, plates; 3. a sludge discharge port; 4. a bidirectional water pump; 5. a water tank; 5.1, discharging a water pipe; 6. a pipeline A; 7. a pipeline B; 8. a pipe C; 9. a pipeline D; 10. a valve A; 11. a valve B; 12. a digestion tank; 12.1, a circulating water gap; 12.2, a water inlet; 13. controlling the temperature; 14. a liquid phase reaction zone; 14.1, filling; 14.2, a sieve plate A; 14.3, a sieve plate B; 15. a valve C; 16. a valve D; 17. a solid phase reaction zone.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 7, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides an anaerobic digestion device for kitchen waste through improvement, which comprises a shell A1, a bidirectional water pump 4 and a water tank 5, a digestion tank 12 is arranged in the shell A1, the digestion tank 12 is hollow with the shell A1, a temperature control pipe 13 is sleeved on the shell, a crushing device 2 is arranged at the top of the shell A1, the crushing device 2 is fixedly arranged on the upper end surface of the shell A1, the bottom of the digestion tank 12 is provided with a water inlet 12.2 and a circulating water port 12.1, one end of a pipeline B7 is communicated with the circulating water port 12.1, the water inlet 12.2 is communicated with a pipeline B7 through a pipeline A6, the other end of the pipeline B7 is communicated with one port of a bidirectional water pump 4, the other port of the bidirectional water pump 4 is communicated with a pipeline C8, the bottom of the water tank 5 is provided with a water outlet pipe 5.1, the water outlet pipe 5.1 is communicated with a pipeline C8, the middle part of the pipeline C8 is communicated with a pipeline D9, and the other end of the pipeline D9 is communicated with the top of the side surface of the digestion tank 12.
In this embodiment, the interior of the digestion tank 12 is divided into a solid phase reaction zone 17 and a liquid phase reaction zone 14, the solid phase reaction zone 17 is disposed on the top of the digestion tank 12, and the liquid phase reaction zone 14 is located right below the solid phase reaction zone 17.
In this embodiment, the liquid phase reaction zone 14 includes a packing 14.1, a sieve plate a14.2 and a sieve plate B14.3, the sieve plate a14.2 is disposed below the solid phase reaction zone 17 and is fixedly connected to the digestion tank 12, the sieve plate B14.3 is disposed at the bottom of the liquid phase reaction zone 14 and is fixedly connected to the digestion tank 12, and the packing 14.1 is disposed between the sieve plate a14.2 and the sieve plate B14.3.
In this embodiment, a sludge discharge port 3 is provided at the bottom of the solid phase reaction zone 17, a gas discharge port is provided at the top of the digestion tank 12, and a temperature sensor is provided inside the digestion tank.
In this embodiment, reducing mechanism 2 includes a motor 2.2, shell B2.3 and grinder 2.7, motor 2.2 is through a base 2.1 fixed mounting in shell A1 up end, top intercommunication in shell B2.3 bottom and the digestion tank 12 to with shell A1 fixed connection, set up a grinder 2.7 in the shell B2.3, grinder 2.7 both ends are articulated through the bearing with shell B2.3, and shell B2.3 is stretched out to one end, is connected with motor 2.2 pivot.
In this embodiment, shell B2.3 includes a feeder hopper 2.33, a movable bin 2.32, fixed storehouse 2.34 and a hopper 2.31, go out top intercommunication in hopper 2.31 bottom opening part and the digester 12, go out hopper 2.31 up end fixed connection fixed storehouse 2.34, fixed storehouse 2.34 upper end sets up a movable bin 2.32, movable bin 2.32 is articulated through a round pin axle and fixed storehouse 2.34 back, and movable bin 2.32 top sets up a feeder hopper 2.33.
In this embodiment, activity storehouse 2.32 is openly connected with fixed storehouse 2.34 and is set up a pair of hasp 2.4, set up a board 2.8 in activity storehouse 2.32 and the feeder hopper 2.33 junction, board 2.8 both sides are articulated through an axle and shell B2.3 inner wall, and shell B2.3 and a handheld pole 2.5 fixed connection are stretched out to axle one end.
In this embodiment, an arc-shaped groove is formed at one side of the joint of the handheld rod 2.5 and the plate 2.8, and a fastening bolt 2.6 is arranged in the groove and is in threaded connection with the shell 2.3.
In this embodiment, a valve a10 is disposed at the connection between the pipeline B and the circulating water gap 12.1, a valve B11 is disposed in the pipeline a6, a valve C15 is disposed at the connection between the pipeline C8 and the pipeline D9, and a valve D16 is disposed in the water outlet pipe 5.1.
When the utility model is implemented, the strains are domesticated, and the domesticated strains are attached to the filler 14.1;
solid-liquid separation of the kitchen waste, namely performing solid-liquid separation on the kitchen waste, wherein the solid content of solid-phase waste obtained by separation is 70% -80%, and storing the solid-phase waste in an original mud pool; the liquid phase waste is stored in the water tank 5 for disposal.
Filling materials, namely filling a filler 14.1 of anaerobic bacteria between an upper sieve mesh and a lower sieve mesh of a liquid-phase reaction zone 14, wherein anaerobic strains are attached to the inside of the filler 14.1; the solid-phase garbage is put into the digestion tank 12 from a feed hopper 2.33, crushed by a crusher and placed in a solid-phase reaction zone 17 above a sieve plate A14.2, and the placement height of the solid-phase garbage is 1/5-2/5 of the height of a reactor main body 1.
Anaerobic digestion of the kitchen waste, wherein solid-phase waste is immersed in waste liquid in the process of immersion type anaerobic digestion; the reaction liquid in the liquid phase reaction zone 14 in the leaching reaction process is conveyed to the top of the reaction tank 12 through the circulating water port 12.1 through the pipeline A6, the pipeline B, the pipeline C8 and the pipeline D9, and the reaction liquid is sprayed above the solid waste in the solid phase reaction zone 11.
When the immersed anaerobic digestion process is carried out, the valve D16 and the valve A6 are opened, and the valve B10 is closed; and (3) opening the bidirectional water pump 4, sending the waste liquid in the water tank 5 into the digestion tank 12 from the water inlet 12.2 at the bottom of the digestion tank 12 by the bidirectional water pump 4, and closing the bidirectional water pump 4 after the liquid level submerges the top of the solid waste in the solid phase reaction zone 17 to start submerged anaerobic treatment.
After the immersed anaerobic digestion process is finished, closing the valve A6, opening the valve B10, the valve D16 and the valve C15, opening the bidirectional water pump 4, conveying the reaction liquid in the liquid phase reaction zone 14 to the top of the digestion tank 12 by the bidirectional water pump 4, and spraying the reaction liquid above the solid waste in the solid phase reaction zone 17.
Reasonable design reducing mechanism, reducing mechanism includes a motor, shell B and grinder, the motor is through a base fixed mounting in shell A up end, shell B bottom and digester tank top intercommunication to with shell A fixed connection, set up a grinder in the shell B, the grinder both ends pass through the bearing with shell B and articulate, and shell B is stretched out to one end, is connected with the motor shaft, smashes rubbish through reducing mechanism, diminishes its volume, increases the area of contact of rubbish and digestion bacterium, increases its reaction efficiency.
Reasonable design shell B, shell B includes a feeder hopper, a movable bin, fixed storehouse and a hopper, go out hopper bottom opening part and digester tank top intercommunication, go out a hopper up end fixed connection fixed storehouse, the fixed storehouse upper end sets up a movable bin, the movable bin is articulated through a round pin axle and fixed storehouse back, and the movable bin top sets up a feeder hopper, is convenient for wash reducing mechanism.
Reasonable design board, set up a board in activity storehouse and the feeder hopper junction, the board both sides are articulated through an axle and shell B inner wall, and shell B and a handheld pole fixed connection are stretched out to axle one end. The speed of the garbage entering the digestion tank is convenient to control.
The digestion tank is hollow with the shell A, and is sleeved with a temperature control pipe, so that a required temperature condition is provided for the digestion process, and the reaction rate of the digestion bacteria is accelerated.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a kitchen garbage's anaerobic digestion device, includes a shell A (1), two-way water pump (4) and water tank (5), its characterized in that: a digestion tank (12) is arranged in the shell A (1), the digestion tank (12) and the shell A (1) are hollow and sleeved with a temperature control pipe (13), a crushing device (2) is arranged at the top of the shell A (1), the crushing device (2) is fixedly installed on the upper end surface of the shell A (1), a water inlet (12.2) and a circulating water port (12.1) are arranged at the bottom of the digestion tank (12), one end of a pipeline B (7) is communicated with the circulating water port (12.1), the water inlet (12.2) is communicated with the pipeline B (7) through a pipeline A (6), the other end of the pipeline B (7) is communicated with one port of a bidirectional water pump (4), the other port of the bidirectional water pump (4) is communicated with a pipeline C (8), a water outlet pipe (5.1) is arranged at the bottom of the water tank (5), the water outlet pipe (5.1) is communicated with the pipeline C (8), the middle part of the pipeline C (8) is communicated with a pipeline, the other end of the pipeline D (9) is communicated with the top of the side surface of the digestion tank (12).
2. The anaerobic digestion device for kitchen waste, according to claim 1, characterized in that: the digestion tank (12) is internally divided into a solid-phase reaction zone (17) and a liquid-phase reaction zone (14), the solid-phase reaction zone (17) is arranged at the top of the digestion tank (12), and the liquid-phase reaction zone (14) is positioned under the solid-phase reaction zone (17).
3. The anaerobic digestion device for kitchen waste, according to claim 2, characterized in that: the liquid phase reaction zone (14) comprises a filler (14.1), a sieve plate A (14.2) and a sieve plate B (14.3), the sieve plate A (14.2) is arranged below the solid phase reaction zone (17) and is fixedly connected with the digestion tank (12), the sieve plate B (14.3) is arranged at the bottom of the liquid phase reaction zone (14) and is fixedly connected with the digestion tank (12), and the filler (14.1) is arranged between the sieve plate A (14.2) and the sieve plate B (14.3).
4. The anaerobic digestion device for kitchen waste, according to claim 3, characterized in that: the bottom of the solid phase reaction zone (17) is provided with a sludge discharge port (3), the top of the digestion tank (12) is provided with a gas discharge port, and a temperature sensor is arranged inside the digestion tank.
5. The anaerobic digestion device for kitchen waste, according to claim 1, characterized in that: reducing mechanism (2) include a motor (2.2), shell B (2.3) and grinder (2.7), motor (2.2) through a base (2.1) fixed mounting in shell A (1) up end, top intercommunication in shell B (2.3) bottom and digestion tank (12) to with shell A (1) fixed connection, set up grinder (2.7) in shell B (2.3), grinder (2.7) both ends are articulated through the bearing with shell B (2.3), and shell B (2.3) is stretched out to one end, is connected with motor (2.2) pivot.
6. The anaerobic digestion device for kitchen waste, according to claim 5, characterized in that: shell B (2.3) includes a feeder hopper (2.33), a movable bin (2.32), fixed storehouse (2.34) and a hopper (2.31), go out top intercommunication in hopper (2.31) bottom opening part and digester (12), go out hopper (2.31) up end fixed connection fixed storehouse (2.34), fixed storehouse (2.34) upper end sets up a movable bin (2.32), movable bin (2.32) are articulated through a round pin axle and fixed storehouse (2.34) back, and movable bin (2.32) top sets up a feeder hopper (2.33).
7. The anaerobic digestion device for kitchen waste, according to claim 6, characterized in that: activity storehouse (2.32) openly are connected with fixed storehouse (2.34) and are set up a pair of hasp (2.4), set up one board (2.8) in activity storehouse (2.32) and feeder hopper (2.33) junction, board (2.8) both sides are articulated through an axle and shell B (2.3) inner wall, and shell B (2.3) and handheld pole (2.5) fixed connection are stretched out to axle one end.
8. The anaerobic digestion device for kitchen waste, according to claim 7, characterized in that: an arc-shaped groove is formed in one side of the joint of the handheld rod (2.5) and the plate (2.8), a fastening bolt (2.6) is arranged in the arc-shaped groove, and the arc-shaped groove is in threaded connection with the shell B (2.3).
9. The anaerobic digestion device for kitchen waste, according to claim 1, characterized in that: the pipeline B sets up a valve A (10) with circulation mouth of a river (12.1) junction, set up a valve B (11) in pipeline A (6), pipeline C (8) sets up a valve C (15) with pipeline D (9) junction, set up a valve D (16) in outlet pipe (5.1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020272498.8U CN212494479U (en) | 2020-03-09 | 2020-03-09 | Anaerobic digestion device for kitchen waste |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020272498.8U CN212494479U (en) | 2020-03-09 | 2020-03-09 | Anaerobic digestion device for kitchen waste |
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| CN212494479U true CN212494479U (en) | 2021-02-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115488140A (en) * | 2022-09-09 | 2022-12-20 | 中节能(肥西)环保能源有限公司 | System and method for treating kitchen garbage by coupling tidal fermentation percolation bed and efficient anaerobic reactor |
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2020
- 2020-03-09 CN CN202020272498.8U patent/CN212494479U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115488140A (en) * | 2022-09-09 | 2022-12-20 | 中节能(肥西)环保能源有限公司 | System and method for treating kitchen garbage by coupling tidal fermentation percolation bed and efficient anaerobic reactor |
| CN115488140B (en) * | 2022-09-09 | 2024-02-20 | 中节能(肥西)环保能源有限公司 | System and method for treating kitchen waste by coupling tidal type fermentation percolating bed and efficient anaerobic reactor |
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