CN217149165U - Kitchen waste anaerobic biogas production device - Google Patents

Abstract

The utility model relates to a kitchen garbage anaerobism produces natural pond gas device, including the rectangle shell, rectangle shell inboard is equipped with the tubbiness inner bag, and be equipped with arc space layer between rectangle shell and the tubbiness inner bag, tubbiness inner bag upper end central point puts and extends to being equipped with the stirring subassembly in the bucket, and its upper end left side is equipped with the feed inlet, the upper end right side is connected with marsh gas collection pipeline, marsh gas collection pipeline downwardly extending sets up in the rectangle shell outside, marsh gas collection pipeline includes cyclone, balancer and water seal pipe part, cyclone and balancer setting are in the tubbiness inner bag upper end outside, the water seal pipe part sets up in the rectangle shell outside, device factor of safety is high, heating temperature is even, realize the cyclic utilization of water resource.

Description

Kitchen waste anaerobic biogas production device

Technical Field

The utility model relates to a marsh gas equipment technical field is produced to rubbish, especially relates to a marsh gas device is produced to kitchen garbage anaerobism.

Background

At present, with the implementation of domestic waste classification, the dry-wet classification of the waste is more and more emphasized, the kitchen waste can be generally treated so as to be converted into available clean energy, organic fertilizer and the like, unnecessary environmental pollution is easily generated in the feeding process due to excessive water and oil in the kitchen waste classification process in the prior art, the temperature distribution in a tank of a common methane generating device is uneven, the cyclic utilization of water resources cannot be realized, the methane generating efficiency is low, the safety performance is not high and the like;

the prior art discloses a device for producing biogas by fermentation in a patent number CN201120295649.2, which utilizes fermentation floras arranged in a fermentation tank to carry out constant-temperature fermentation on the device, so that objects such as straws and the like in the fermentation tank can stably produce biogas, but the generated biogas cannot be collected, and when the content of the biogas is too much, the problem of potential safety hazard can be caused;

to sum up, to producing environmental pollution among the kitchen garbage material loading process, anaerobically producing natural pond gas process temperature unstable, unable safe collection marsh gas carries out energy recovery action next step, a kitchen garbage anaerobism produces natural pond gas device and solves above-mentioned problem now urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's weak point, realize the constancy of temperature in the tubbiness inner bag through setting up arc separation space layer, constancy of temperature makes jar internal production marsh gas and steam, collects the separation of pipeline realization marsh gas and the steam to the production through marsh gas, carries out the technical problem of safe recovery to marsh gas.

In order to achieve the above object, the utility model provides a following technical scheme:

a device for anaerobic biogas production from kitchen waste comprises

The inner side of the rectangular shell is provided with a barrel-shaped liner, and an arc-shaped spacing layer is arranged between the rectangular shell and the barrel-shaped liner;

the central position of the upper end of the barrel-shaped inner container extends to the interior of the barrel, a stirring assembly is arranged in the barrel, the left side of the upper end of the barrel-shaped inner container is provided with a feed inlet, the right side of the upper end of the barrel-shaped inner container is connected with a methane collecting pipeline, and the methane collecting pipeline extends downwards and is arranged on the outer side of the rectangular shell;

the biogas collecting pipeline comprises a cyclone separator, a balancer and a water seal pipe part, the cyclone separator and the balancer are arranged on the outer side of the upper end of the barrel-shaped inner container, and the water seal pipe part is arranged on the outer side of the rectangular shell.

Preferably, a circulating water jacket is arranged in the arc-shaped spacing layer, heat-preservation asbestos is filled outside the circulating water jacket, a water inlet is formed in the upper end of the circulating water jacket, a water outlet is formed in the lower end of the circulating water jacket, the water inlet is located at the upper end of the right side of the rectangular shell, and the water outlet is located at the lower end of the left side of the rectangular shell.

Preferably, the biogas collection pipeline comprises a biogas collection main pipe, one end of the biogas collection main pipe is connected to the upper end of the barrel-shaped inner container, the other end of the biogas collection main pipe is connected with the right side wall of the cyclone separator, the upper end of the cyclone separator is connected with a biogas conveying pipe, the lower end of the cyclone separator is connected with a water vapor collection main pipe, the lower end of the water vapor collection main pipe is connected with a balancer, the left side edge and the right side edge of the balancer are both connected with overflow water outlet pipes, and the overflow water outlet pipes are converged and connected with the recovery pipes.

Preferably, a biogas straight-discharge pipe extends from the upper end of the biogas collection main pipe close to the right.

Preferably, the water seal pipe part comprises a water seal pipe, the lower end of the water seal pipe is provided with a water container, the lower end of the water seal pipe extends into the water container, and the water level in the water container covers one third of the length of the water seal pipe.

Preferably, the stirring assembly comprises a stirring paddle, the stirring paddle is an anchor type stirring paddle, blades are arranged in the stirring paddles on the left side and the right side of the stirring paddle, and the blades extend from the center of the lower end of the stirring paddle to two end points of the stirring paddle respectively.

The utility model has the advantages that:

(1) this kitchen garbage anaerobism produces natural pond gas device utilizes anchor stirring rake to stir the cutting to inside kitchen garbage, make its stirring efficiency higher, also can carry out preliminary cutting dispersion to some residue waste materials that link together that probably exist, make the efficiency of stirring higher, cooperate the circulation water jacket in the outside like this, make inside temperature intensification comparatively even, float the condition on the surface when the grease, also can make steam carry out the evaporation of certain degree at the stirring process, can realize the cyclic utilization of water resource, can also ensure that inside fermentation speed is faster, it is more efficient to produce marsh gas.

(2) The anaerobic methane generating device for the kitchen waste is provided with the water seal pipe and the water container, the water seal pipe is communicated with the methane direct drainage pipe and is arranged below the water seal pipe, so that when the internal pressure of the methane generating device is overlarge, the water in the water container can be sucked into the water seal pipe by utilizing the internal and external pressure difference, the pressure relief effect is realized, and the methane conveying cannot be influenced by arranging the water seal pipe below the water seal pipe.

(3) This kind of kitchen garbage anaerobism produces natural pond gas device is through the marsh gas direct vent that sets up for when marsh gas is collected the marsh gas of being responsible for the direction and can't normally circulate, can regard as reserve marsh gas exhaust passage, can directly use marsh gas direct vent when pipeline maintenance, marsh gas preliminary treatment and storage system have a problem in the later stage, the application principle is simple, and the device effect is powerful for whole marsh gas exhaust pipeline security performance is higher.

In conclusion, the device has the advantages of simple structure, safety and high efficiency in methane generation, methane collection and the like, and is particularly suitable for the technical field of anaerobic methane generation of kitchen waste.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of a cyclone separator in a biogas collection pipeline.

Fig. 3 is a schematic structural view of a balancer in the biogas collection pipeline.

Fig. 4 is a schematic structural view of a water seal pipe part in a biogas collection pipeline.

Fig. 5 is the overall structure of the utility model is a sectioning schematic diagram.

Detailed Description

The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the accompanying drawings.

Example one

As shown in figures 1 to 5, the utility model provides a kitchen waste anaerobic methane-generating device, which comprises

The rectangular device comprises a rectangular shell 1, wherein a barrel-shaped inner container 2 is arranged on the inner side of the rectangular shell 1, an arc-shaped spacing layer 3 is arranged between the rectangular shell 1 and the barrel-shaped inner container 2, and the rectangular shell 1 can be arranged to better facilitate the placement of the whole device and insulate heat, so that unnecessary potential safety hazards caused by careless touch of workers during external work can be avoided;

the upper end of the barrel-shaped inner container 2 extends to the inside of the barrel, a stirring assembly 4 is arranged in the barrel, a feed inlet 5 is formed in the left side of the upper end of the barrel-shaped inner container, a methane collecting pipeline 6 is connected to the right side of the upper end of the barrel-shaped inner container 2, the methane collecting pipeline 6 extends downwards and is arranged on the outer side of the rectangular shell 1, the lower end of the barrel-shaped inner container 2 is wrapped by the rectangular shell 1, the upper end of the barrel-shaped inner container is not wrapped so as to be better connected with various pipelines, and paths in the communication process are saved, so that the connection mode is simpler, the rectangular shell 1 which is not wrapped at the upper end and the lower end of the barrel-shaped inner container can be wrapped by the circulating water jacket 31 to form a temperature difference, and therefore, the water vapor can be rapidly condensed in the evaporation process, and is convenient to collect and separate;

the biogas collecting pipeline 6 comprises a cyclone separator 61, a balancer 62 and a water seal pipe part 63, the cyclone separator 61 and the balancer 62 are arranged on the outer side of the upper end of the barrel-shaped inner container 2, and the water seal pipe part 63 is arranged on the outer side of the rectangular shell 1.

Further, as shown in fig. 5, a circulating water jacket 31 is arranged in the arc-shaped spacing layer 3, heat preservation asbestos 32 is filled outside the circulating water jacket 31, a water inlet 33 is arranged at the upper end of the circulating water jacket 31, a water outlet 34 is arranged at the lower end of the circulating water jacket 31, the water inlet 33 is positioned at the upper end of the right side of the rectangular shell 1, and the water outlet 34 is positioned at the lower end of the left side of the rectangular shell 1;

the arc-shaped space layer 3 is used for placing the circulating water jacket 31 more reasonably, so that the temperature rise in the barrel-shaped inner container 3 is more uniform and consistent in the heating and heat-insulating process of the circulating water jacket 31, the heat-insulating asbestos 32 is filled in the arc-shaped space layer 3 to play a role in heat insulation, the circulating water jacket 31 is only required to be filled with water from the water inlet 33 when in use, and water is discharged from the water outlet 34.

Further, as shown in fig. 3, the biogas collection pipeline 6 includes a biogas collection main pipe 611, one end of the biogas collection main pipe 611 is connected to the upper end of the barrel-shaped inner container 2, the other end of the biogas collection main pipe 611 is connected to the right side wall of the cyclone separator 61, the upper end of the cyclone separator 61 is connected to a biogas delivery pipe 612, the lower end of the cyclone separator 61 is connected to a water vapor collection main pipe 613, the lower end of the water vapor collection main pipe 613 is connected to the balancer 62, the left and right sides of the balancer 62 are both connected to an overflow water outlet pipe 621, and the overflow water outlet pipe 621 joins and is connected to the recovery pipe 622;

the cyclone separator 61 is used for separating liquid drops with larger inertial centrifugal force from an outer wall surface by virtue of rotary motion caused by tangential introduction of airflow, and has the main function of separating methane from water vapor, so that the methane enters the methane collection main pipe 611 for uniform collection, and the water vapor can enter the water vapor collection pipeline for cyclic utilization;

further, as shown in fig. 4, the balancer 62 is used for balancing the excessive water vapor in the water vapor collecting main pipe 613, the liquid level in the balancer 62 rises, and the liquid may also contain a certain amount of biogas slurry, so that the liquid is evenly distributed to the overflow water outlet pipe 621 in a balanced manner, and when the liquid is evenly collected in the recovery pipe 622, the effect of safely balancing the internal pressure can be achieved, and the liquid collected in the recovery pipe 622 can be subsequently recycled, so that the resource utilization rate is higher.

Further, as shown in fig. 2, a biogas straight pipe 601 is extended from the upper end of the biogas collection main pipe 611 to the right, and the biogas straight pipe 601 is used as a standby biogas discharge channel when the biogas in the direction of the biogas collection main pipe 611 cannot be normally circulated, and is used as an emergency safety pipeline when problems exist in the later tank body overhaul, biogas pretreatment and storage system, so that the device can safely and normally operate in response to some emergency states.

Further, as shown in fig. 4, the water seal pipe part 63 includes a water seal pipe 631, a water container 632 is disposed at a lower end of the water seal pipe 631, the lower end of the water seal pipe 631 extends into the water container 632, a water level in the water container 632 covers a third of a length of the water seal pipe 631, the water seal pipe 631 is a safety pipeline for placing a safety pipeline for pressure relief when the internal methane pressure is too high, the water seal pipe 631 and the water container 632 are used for exhausting and pressure relief when the internal methane pressure is too high, and when the internal pressure is too low, a certain amount of water is sucked to make the internal pressure and the external pressure consistent, which is an efficient safety measure, so that the safety performance of the device is better, and because of the particularity of the methane, the water seal pipe part is placed at a lower position of the whole methane delivery pipe 612, the normal delivery of the whole device is not interfered during pressure regulation, and the methane delivery efficiency is improved.

Furthermore, as shown in fig. 5, the stirring assembly 4 includes a stirring paddle 41, the stirring paddle 41 is an anchor type stirring paddle, blades 42 are disposed in the stirring paddles on the left and right sides of the stirring paddle, the blades 42 extend from the center of the lower end of the stirring paddle 41 to the two end points thereof, and a stepless speed change and reduction motor is disposed at the upper end of the stirring paddle 41 to provide power to the stirring paddle 41 and ensure that the stirring assembly adapts to speeds of various degrees during the stirring process, so that the stirring is more accurate and the service life of the device is prolonged;

inside stirring is made things convenient for more to anchor formula stirring rake, the stirring is more even, also can be more high-efficient to some comparatively thick kitchen garbage, utilize blade 42 be in order to probably meet the stem leaf of some comparatively rectangular shapes when kitchen garbage, twine stirring rake 41 very easily at the stirring in-process, influence its stirring efficiency, the condition that probably causes the upper end motor short circuit produces, utilize blade 42 can effectively carry out the cutting of limit stirring to the kitchen garbage of some interior rectangular shapes, extension fixture life.

The working process is as follows: the kitchen waste enters the interior from the feeding hole 5, the stirring assembly 4 starts to work, the stepless speed change speed reduction motor drives the stirring paddle 41 to rotate, the stirring paddle 41 stirs the interior of the barrel-shaped inner container 2, at the moment, heat-preservation heated hot water is introduced into the circulating water jacket 31, and the path from the water inlet 33 to the water outlet 34 of the heat-preservation heated hot water starts to work circularly, so that the barrel-shaped inner container 3 is heated and insulated until the kitchen waste is fermented to generate methane and generate water vapor along with the rise of temperature;

further, the generated biogas and water vapor enter the biogas collecting pipeline 6 at the upper end, the biogas and water vapor and liquid drops are separated through the cyclone separator 61, the biogas is conveyed into subsequent processing equipment from the biogas conveying pipe 612, the other part of water vapor enters the balancer 62, and as the water vapor and liquid drops may be doped with a part of biogas slurry, in order to prevent the liquid level in the balancer 62 from rising too fast and the pressure from being too high, the balancer 62 shunts the water vapor and liquid drops into the overflow water outlet pipe 621 for collection through the recovery pipe 622 and subsequent processing, so that the water resources can be recycled;

finally, when the methane in the device is too much and the pressure is too high, the water seal pipe part 63 can adjust the internal pressure of the whole device, when the internal pressure is too high, the water container 632 is used for exhausting and relieving pressure, when the internal pressure is too low, part of water in the water container 632 can enter the water seal pipe 631 to perform a pressure balancing function on the water seal pipe 631, the water seal pipe is arranged below the water seal pipe in such a way, when the pressure is too low, the water can not block other pipelines, the normal operation of other pipelines is maintained, the whole methane production device has high safety coefficient, the preliminary gas-liquid separation is realized, the heat preservation effect is good, the application place is wide, the application principle is simple, and the practicability is strong.

In the description of the present invention, it is to be understood that the terms "front and back", "left and right", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or parts referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Of course, in this disclosure, those skilled in the art will understand that the terms "a" and "an" should be interpreted as "at least one" or "one or more," i.e., in one embodiment, a number of an element may be one, and in another embodiment, a number of the element may be plural, and the terms "a" and "an" should not be interpreted as limiting the number.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art in the technical suggestion of the present invention should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (6)

1. The utility model provides a kitchen garbage anaerobism biogas production device which characterized in that: comprises that

The inner side of the rectangular shell (1) is provided with a barrel-shaped inner container (2), and an arc-shaped spacing layer (3) is arranged between the rectangular shell (1) and the barrel-shaped inner container (2);

the device comprises a barrel-shaped inner container (2), wherein the center of the upper end of the barrel-shaped inner container (2) extends to the inside of a barrel, a stirring assembly (4) is arranged in the barrel, the left side of the upper end of the barrel-shaped inner container is provided with a feeding hole (5), the right side of the upper end of the barrel-shaped inner container is connected with a methane collecting pipeline (6), and the methane collecting pipeline (6) extends downwards and is arranged on the outer side of a rectangular shell (1);

the biogas collecting pipeline (6) comprises a cyclone separator (61), a balancer (62) and a water seal pipe component (63), the cyclone separator (61) and the balancer (62) are arranged on the outer side of the upper end of the barrel-shaped inner container (2), and the water seal pipe component (63) is arranged on the outer side of the rectangular shell (1).

2. The anaerobic biogas generating device by using kitchen waste according to claim 1, characterized in that a circulating water jacket (31) is arranged in the arc-shaped spacing layer (3), heat-insulating asbestos (32) is filled outside the circulating water jacket (31), a water inlet (33) is arranged at the upper end of the circulating water jacket (31), a water outlet (34) is arranged at the lower end of the circulating water jacket, the water inlet (33) is arranged at the upper end of the right side of the rectangular casing (1), and the water outlet (34) is arranged at the lower end of the left side of the rectangular casing (1).

3. The anaerobic methane generating device for kitchen waste according to claim 1, wherein the methane collecting pipeline (6) comprises a methane collecting main pipe (611), one end of the methane collecting main pipe (611) is connected to the upper end of the barrel-shaped inner container (2), the other end of the methane collecting main pipe (611) is connected to the right side wall of the cyclone separator (61), the upper end of the cyclone separator (61) is connected with a methane conveying pipe (612), the lower end of the cyclone separator is connected with a water vapor collecting main pipe (613), the lower end of the water vapor collecting main pipe (613) is connected with a balancer (62), the left side and the right side of the balancer (62) are both connected with overflow water outlet pipes (621), and the overflow water outlet pipes (621) are connected with a recovery pipe (622).

4. The anaerobic biogas generating device by using kitchen waste as claimed in claim 3, wherein a biogas straight pipe (601) extends from the upper end of the biogas collection main pipe (611) to the right.

5. The anaerobic biogas generating device by using kitchen waste according to claim 1, characterized in that the water sealing pipe component (63) comprises a water sealing pipe (631), the lower end of the water sealing pipe (631) is provided with a water container (632), the lower end of the water sealing pipe (631) extends into the water container (632), and the water level in the water container (632) covers one third of the length of the water sealing pipe (631).

6. The anaerobic biogas generating device by using kitchen waste according to claim 1, wherein the stirring assembly (4) comprises a stirring paddle (41), the stirring paddle (41) is an anchor type stirring paddle, blades (42) are arranged in the stirring paddles on the left side and the right side of the stirring paddle, and the blades (42) extend from the center position of the lower end of the stirring paddle (41) to two end points of the stirring paddle.

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