CN211871955U - Municipal refuse fermentation tank - Google Patents

Abstract

The utility model relates to the field of garbage fermentation, aiming at providing an urban garbage fermentation tank, which comprises a tank body, a track arranged at the top of the tank body, a gear strip and a pushing device, wherein the top of one side of the tank body is provided with a feed inlet, the other side of the tank body is provided with a discharge outlet, the discharge outlet is provided with a movable door for opening and closing the discharge outlet, the gear strip is arranged on the tank body along the track in an extending way, the pushing device comprises a pushing plate arranged on the track in a sliding way, an extrusion plate fixed on the pushing plate, a pushing motor arranged on the pushing plate and a pushing gear arranged at the output end of the pushing motor, the pushing gear is meshed with the gear strip, the extrusion plate extends from the pushing plate to the bottom of the tank body, the bottom of one end of the movable door far away from the tank body is provided with a recovery tank, the utility model discloses rational in infrastructure, the practicality is strong, is fit for promoting.

Description

Municipal refuse fermentation tank

Technical Field

The utility model relates to a field, concretely relates to municipal waste fermentation vat.

Background

Along with the increasing population and the increasing living standard of people, a large amount of domestic garbage is generated in cities, the current application of biogas technology to treat domestic sewage in cities has achieved better effect, but for large-particle building garbage containing a large amount of inorganic substances, the current biogas treatment device for treating the municipal garbage can not effectively treat the large-particle building garbage, so that the fermentation rate of the organic substances with large particles can be improved, the municipal garbage can not be properly treated, so that the method of burning or burying and the like is frequently adopted in the treatment process, secondary pollution is caused to the environment, in order to treat the problem, the current scraper fermentation tank stores the municipal garbage in the fermentation tank for natural fermentation, a scraper blade pushes the fermented substances out of the fermentation tank under the drive of a motor, and the scraper fermentation tank can treat solid municipal garbage, but adopts the natural fermentation mode, the garbage is lack of stirring, the contact with air is insufficient, the aerobic fermentation speed is low, the garbage treatment efficiency is low, the anaerobic property of the garbage fermentation tank is divided into two steps (two-stage theory), the first step is an acidification process and is decomposed into organic acid, alcohol and the like, the second step is a methanation step, methane water and the like are generated, secondary pollution can be caused when the step is reached, methane is greenhouse gas, and the next step of biodegradation is almost impossible.

CN02132395.X, refuse treatment fermentation tank, the invention relates to a fermentation tank for treating coarse organic matters in urban domestic refuse particles, and the structure of the fermentation tank body is provided with four technologies which are used synchronously: all organic matters containing coarse particles in the garbage can be finely crushed; secondly, various inorganic matters in the garbage can be automatically separated and collected without manual sorting or addition of special mechanical equipment; thirdly, the feed liquid can be heated by solar energy or methane; and a heat preservation facility with vacuum, air and heat insulation materials can be formed, under the synchronous use of four technologies, the fermentation rate of organic matters is more than 10 times higher than that of a common methane tank, the fermentation period and the retention period of the organic matters in the tank are greatly shortened, the effective volume is fully utilized, the input cost is greatly reduced, the fermentation tank is reasonable in design, remarkable in benefit, easy to operate and manage and convenient to popularize and apply in cities, but the fermentation tank is used for isolating and treating methane water generated after anaerobic fermentation.

Therefore, a fermentation tank is needed, not only can the garbage in the fermentation tank be processed and extruded, but also the methane water generated after fermentation can be recycled, and secondary pollution to the environment is avoided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an urban garbage fermentation tank, which is characterized in that a recovery tank is arranged in the fermentation tank, so that harmful gas and liquid generated in anaerobic fermentation are pumped into a recovery device, and secondary pollution to the environment is avoided;

in order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides an urban garbage fermentation vat, includes the cell body, sets up track, rack and pusher at the cell body top, the top of cell body one side is equipped with the feed inlet, and the cell body opposite side is equipped with the discharge gate, be equipped with the dodge gate that is used for the switching discharge gate on the discharge gate, the rack extends along the track and arranges on the cell body, pusher sets up pushing plate on the track, is fixed in the stripper plate on the pusher plate, sets up the propelling movement motor on the pusher plate and sets up the propelling movement gear in propelling movement motor output, the meshing of pusher gear and rack, the stripper plate extends to the cell body bottom from the pusher plate, the cell body is kept away from the one end bottom of dodge gate is provided with the accumulator, the stripper plate sets up the feed inlet with between the accumulator.

Through the technical means, pile up in the fermentation vat through rubbish, when the fermentation was accomplished, can produce harmful liquid such as a large amount of methane water, will flow into the accumulator, filter harmful substance, start the propelling movement motor, the propelling movement gear along the gear strip gos forward, the rubbish windrow propelling movement after the stripper plate will ferment outside the dodge gate, convenient subsequent refuse treatment, the utility model discloses rational in infrastructure, design benefit is fit for promoting.

Preferably, still include absorption equipment, absorption equipment pass through the connecting pipe with the accumulator is connected, be provided with the suction pump on the connecting pipe.

Through the technical means, the pollutants in the recovery tank are treated in a centralized manner, and the pollutants are treated through the water suction pump and the absorption equipment, so that the pollutants are discharged after meeting the discharge standard.

Preferably, a filter plate is arranged on one side of the recovery tank close to the extrusion plate.

Through the technical means, the garbage is prevented from entering the recovery tank and affecting the later cleaning.

Preferably, the bottom of the tank body forms an included angle of 5-10 degrees with the horizontal plane.

Through the technical means, in the process of fermenting the garbage at the bottom of the tank body, harmful liquid flows into the recovery tank along the bottom under the action of gravity.

Preferably, still including agitating unit sets up including sliding in the epaxial stirring board of track, sets up agitator motor on the stirring board, sets up in the stirring gear of agitator motor output, arranges the stirring rod in stirring board below, stirring gear and gear rack meshing.

Through the technical means, the garbage is crushed, and the fermentation progress of the garbage is accelerated.

Preferably, the stirring plate is located between the pushing plate and the movable door.

Through the technical means, the stirring rod can move between the pushing plate and the movable door conveniently to crush the garbage.

Preferably, the stirring rod is provided with a needle-shaped protrusion.

Through the technical means, the crushing efficiency of the stirring rod is improved.

Compared with the prior art, the beneficial effects of the utility model are that:

1. performing centralized storage and crushing treatment on the garbage through a fermentation tank;

2. the residual liquid after fermentation is recycled, so that secondary pollution is avoided.

Drawings

FIG. 1 is a view showing the construction of a municipal refuse fermentation tank;

FIG. 2 is a diagram of the cabinet door of the filing cabinet according to an embodiment of the present invention;

fig. 3 is a structural diagram of the transverse plate in the embodiment of the present invention.

1, tank body; 2. a track; 3. a gear rack; 4. a pushing device; 41. a push plate; 42. a pressing plate; 43. a push gear; 5. a stirring device; 51. a stirring plate; 52. a stirring motor; 53. a stirring gear; 54. a stirring rod; 6. a recovery tank; 7. a filter plate; 8. a water pump; 9. a connecting pipe; 11. a feed inlet; 12. a discharge port; 13. a movable door; 14. an absorption apparatus.

Detailed Description

The technical solution in the embodiments of the present invention is clearly and completely described below with reference to fig. 1 to 3 of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, those skilled in the art can realize all other embodiments without creative efforts.

In the description of the present invention, it should be understood that the terms "counterclockwise", "clockwise", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

FIG. 1 is a structural diagram of a municipal refuse fermentation tank of the present invention;

an urban garbage fermentation tank comprises a tank body 1, a track 2 arranged at the top of the tank body 1, a gear strip 3 and a pushing device 4, the top of one side of the tank body 1 is provided with a feed inlet 11, the other side of the tank body 1 is provided with a discharge outlet 12, the discharge port 12 is provided with a movable door 13 for opening and closing the discharge port 12, the gear rack 3 is extended and arranged on the tank body 1 along the track 2, the pushing device 4 comprises a pushing plate 41 arranged on the track 2 in a sliding manner, a pressing plate 42 fixed on the pushing plate 41, a pushing motor arranged on the pushing plate 41 and a pushing gear 43 arranged at the output end of the pushing motor, the pushing gear 43 is meshed with the gear strip 3, the extrusion plate 42 extends from the pushing plate 41 to the bottom of the tank body 1, the bottom of one end of the tank body 1 far away from the movable door 13 is provided with a recovery tank 6, and the extrusion plate 42 is arranged between the feed inlet 11 and the recovery tank 6.

It is worth to be noted that, referring to fig. 1, the device further includes an absorption device 14 and a connection pipe 9, the absorption device 14 is connected to the recovery tank 6 through the connection pipe 9, a water pump 8 is disposed on the connection pipe 9, a filter plate 7 is disposed on one side of the recovery tank 6 close to the squeezing plate 42, and an included angle formed between the bottom of the tank body 1 and a horizontal plane is 5 ° to 10 °.

It is worth to be noted that, in order to facilitate the recovery treatment of the fermentation liquid, the bottom of the tank body 1 is obliquely arranged, so that the fermentation liquid can flow into the recovery tank 6 conveniently.

It is worth to be noted that the stirring device 5 further includes a stirring plate 51 slidably disposed on the track 2, a stirring motor 52 disposed on the stirring plate 51, a stirring gear 53 disposed at an output end of the stirring motor 52, and a stirring rod 54 disposed below the stirring plate 51, wherein the stirring gear 53 is engaged with the gear strip 3, the stirring plate 51 is located between the pushing plate 41 and the movable door 13, and the stirring rod 54 is provided with a needle-shaped protrusion.

It should be noted that, considering that the garbage in the tank body 1 is pulled into a fermentation period when the garbage is over-sized, the present embodiment accelerates the fermentation process by providing the stirring rod 54 in the fermentation tank to reciprocate.

It is worth to say that, a plurality of through holes are arranged on the filter plate 7, so that the situation that garbage with a large volume enters the recovery tank 6 to affect the subsequent fermentation process is avoided, anaerobic fermentation is adopted in the embodiment, the selected absorption equipment 14 is pressure swing adsorption separation equipment (PSA), and methane water and methane gas can enter the equipment through the water suction pump 8 to be absorbed and treated, so that the emission standard is met.

To sum up, the utility model discloses an implementation principle does: pile up in the fermentation vat through rubbish, when the fermentation was accomplished, can produce harmful liquid such as a large amount of methane water, will flow into the accumulator, filter harmful substance, start the propelling movement motor, the propelling movement gear along the gear strip gos forward, the rubbish windrow propelling movement after the stripper plate will ferment outside to the dodge gate, convenient subsequent refuse treatment, the utility model discloses rational in infrastructure, design benefit is fit for promoting.

Claims (7)

1. The municipal waste fermentation tank comprises a tank body (1), a track (2), a gear strip (3) and a pushing device (4) which are arranged at the top of the tank body (1), and is characterized in that a feeding hole (11) is formed in the top of one side of the tank body (1), a discharging hole (12) is formed in the other side of the tank body (1), a movable door (13) for opening and closing the discharging hole (12) is arranged on the discharging hole (12), the gear strip (3) is arranged on the tank body (1) in an extending mode along the track (2), the pushing device (4) comprises a pushing plate (41) which is arranged on the track (2) in a sliding mode, a squeezing plate (42) which is fixed on the pushing plate (41), a pushing motor which is arranged on the pushing plate (41) and a pushing gear (43) which is arranged at the output end of the pushing motor, the pushing gear (43) is meshed with the gear strip (3), and the squeezing plate (42) extends to the bottom of, the pool body (1) is far away from the bottom of one end of the movable door (13) and is provided with a recovery groove (6), and the extrusion plate (42) is arranged between the feed inlet (11) and the recovery groove (6).

2. The municipal waste fermentation tank according to claim 1, further comprising an absorption device (14) and a connecting pipe (9), wherein the absorption device (14) is connected to the recycling tank (6) through the connecting pipe (9), and the connecting pipe (9) is provided with a water pump (8).

3. The municipal waste fermentation tank according to claim 2, wherein a filter plate is provided on the side of the recovery tank adjacent to the pressing plate.

4. The municipal waste fermentation tank according to claim 1, wherein the bottom of the tank (1) forms an angle of 5 ° to 10 ° with the horizontal plane.

5. The municipal waste fermentation tank according to any one of claims 1 to 4, further comprising a stirring device (5) comprising a stirring plate (51) slidably disposed on the rail (2), a stirring motor (52) disposed on the stirring plate (51), a stirring gear (53) disposed at the output end of the stirring motor (52), and a stirring rod (54) disposed below the stirring plate (51), wherein the stirring gear (53) is engaged with the gear rack (3).

6. A municipal waste fermentation tank according to claim 5, characterized in that the agitating plate (51) is located between the pushing plate (41) and the movable door (13).

7. The municipal waste fermentation tank according to claim 6, wherein the stirring rod (54) is provided with needle-like protrusions.

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