CN110551615A

CN110551615A - Horizontal methane tank

Info

Publication number: CN110551615A
Application number: CN201910820905.6A
Authority: CN
Inventors: 杨克柱
Original assignee: Huize Hengyi Pastoral Industry Co Ltd
Current assignee: Huize Hengyi Pastoral Industry Co Ltd
Priority date: 2019-08-31
Filing date: 2019-08-31
Publication date: 2019-12-10

Abstract

The invention discloses a horizontal methane tank, which comprises a feeding pipe, a fermentation tank, a water pressure chamber and a buffer chamber, wherein the water pressure chamber is connected with the fermentation tank through a pipeline, the buffer chamber is connected with the discharge end of the fermentation tank, one side of the buffer chamber, which is far away from the fermentation tank, is connected with a slag discharge pipe, the upper end side of the water pressure chamber is provided with an overflow port, the upper side of the fermentation tank, which is close to the feeding pipe, is provided with a movable port, the upper end of the movable port is matched with a movable cover, the inner part of the movable cover is also spliced with an air guide pipe, the upper side of the fermentation tank, which is close to the discharge end, is provided with an inspection hole, the opening part of the movable port is also provided with a supporting mechanism, the lower side wall of the movable cover.

Description

Horizontal methane tank

Technical Field

The invention relates to a methane tank, in particular to a horizontal methane tank.

Background

The working principle of the methane tank is as follows: when methane is generated in the tank, the methane in the gas storage chamber is continuously increased, the pressure is continuously increased, the liquid level in the main tank is forced to fall, and a part of feed liquid is squeezed out to the water pressure chamber. When people open the stove, the pressure in the methane tank is gradually reduced, and the feed liquid in the water pressure room continuously flows back to the main tank. Thus, gas is continuously generated and used, and the pressure balance state is always maintained between the fermentation chamber and the discharging chamber. The poor effect of the methane tank mainly depends on the sealing performance, and along with the technological progress, people gradually utilize the novel methane tank to replace the traditional concrete cast-in-place construction, but the movable cover on the gas tank is an important part influencing the gas production effect, and how to improve the sealing performance of the movable cover is the important part of the methane tank design.

Disclosure of Invention

The invention aims to solve the technical problem of providing a horizontal methane tank which can greatly improve the sealing property of the methane tank.

In order to solve the technical problems, the technical scheme of the invention is as follows:

The utility model provides a horizontal methane-generating pit, including inlet pipe, fermentation cylinder, with the fermentation cylinder pass through between the water pressure of pipe connection, with the cushion chamber that the fermentation cylinder discharge end is connected, wherein the cushion chamber is kept away from fermentation cylinder one side is connected with the scum pipe, the upper end side is equipped with the overflow mouth between the water pressure, the fermentation cylinder is close to the upside of inlet pipe is opened there is the expansion joint, the upper end cooperation of expansion joint has movable cover, the inside of movable cover still is pegged graft there is the air duct, the fermentation cylinder is close to the upside of discharge end is opened there is the inspection hole, the expansion joint opening part still is equipped with supporting mechanism, the lower lateral wall of movable cover is equipped with seal assembly, movable cover passes through with supporting mechanism seal assembly lid closes.

Preferably, the supporting mechanism comprises a first supporting frame and a second supporting frame, wherein the first supporting frame and the second supporting frame are both of a hollow structure, the first supporting frame and the second supporting frame are provided with a step surface, and the sealing assembly is arranged between the step surface and the movable cover.

Preferably, the cross-section of first support frame with the second support frame is the trapezoidal form of handstand, the movable cover includes upper cover and lower cover, wherein the edge of upper cover with the laminating of first support frame inside wall, the edge of lower cover with the laminating of the inside wall of second support frame, and work as the upper cover is followed first support frame lower border arrives the step face, the lower cover is filled wholly the second support frame space.

Preferably, the sealing assembly comprises a sealing ring which is arranged on the lower side wall of the upper cover and is arranged in a protruding manner, and a groove which is arranged in the step surface and is matched with the sealing ring.

Preferably, the movable cover further comprises a locking mechanism, the locking mechanism comprises a bolt and a slot arranged in the first support frame and the edge soil, and when the upper cover covers the step surface, the bolt can be movably inserted into the slot to fix the movable cover.

Preferably, the side wall of the upper end of the movable cover is provided with an annular water storage tank.

Preferably, still including setting up in the fermentation cylinder agitating unit, agitating unit sets up in the one end that is close to the inlet pipe.

Preferably, the stirring device comprises a stirring motor arranged outside the fermentation tank, an output shaft connected with the stirring motor, an impeller seat connected with the output shaft, and stirring blades connected with the impeller seat.

By adopting the technical scheme, the supporting structure is arranged at the movable cover opening, the movable cover can cover the supporting mechanism, and the sealing assembly is arranged at the movable cover and the supporting mechanism, so that the leakage of gas at the cover opening can be effectively prevented, the sealing performance of the movable cover is greatly improved, and the sealing performance of the whole methane tank is also improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of the present invention;

Fig. 3 is a top view of the removable cover of the present invention.

In the figure, 1-a feeding pipe, 2-a fermentation tank, 3-a stirring device, 4-a movable cover, 401-an upper cover, 402-a lower cover, 5-an air duct, 6-a sealing assembly, 7-an inspection hole, 8-a buffer cavity, 9-a slag discharge pipe, 10-a water pressure chamber, 11-an overflow port, 12-a supporting mechanism, 1201-a first supporting frame, 1202-a second supporting frame, 13-a locking mechanism and 14-a water storage tank.

Detailed Description

the following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

According to the horizontal methane tank shown in figure 1, the horizontal methane tank comprises a feeding pipe 11 vertically inserted into a fermentation tank 22 from the ground, one side of the discharging end of the feeding pipe 11 is arranged at the bottom of the fermentation tank 22 horizontally placed to prevent the feeding from being disabled due to air pressure in the process of producing methane, the fermentation tank 22 horizontally placed is a fermentation tank existing in the market, the size of the inner volume of the fermentation tank can be changed in a serial and parallel mode, a water pressure chamber 10 connected with the fermentation tank 2 through a pipeline and a buffer chamber 8 connected with the discharging end of the fermentation tank 2 are provided, wherein one side of the buffer chamber 8 far away from the fermentation tank 2 is connected with a slag discharge pipe 9, through figure 1, the height of the connection part of the buffer chamber 8 and the fermentation tank 2 is smaller than the height of the connection part of the pipeline connected with the water pressure chamber 10 and the fermentation tank 2, so that the water pressure chamber 10 can receive liquid rising due to over-pressure when methane is produced, meanwhile, the slag fertilizer can be pushed to be discharged through the fermentation tank 2 by increasing the pressure, and through the automatic slag discharging mode and the arrangement of the water pressure room 10, can reduce the pressure in the methane tank, has good explosion-proof function, the upper end side of the water pressure chamber 10 is provided with an overflow port 11, the upper side of the fermentation tank 2 close to the feeding pipe 1 is provided with a movable port, the movable port can be round or square or in other shapes, because square has or other shapes have dog-ears, can not guarantee the leakproofness well, consequently select circular shape movable opening, the upper end cooperation of movable opening has movable cover 4, the inside of movable cover 4 has still been pegged graft and has been had air duct 5, fermentation cylinder 2 is close to the upside of discharge end and opens there is inspection hole 7, movable opening department still is equipped with supporting mechanism 12, the lower lateral wall of movable cover 4 is equipped with seal assembly 6, movable cover 4 closes through seal assembly 6 lid with supporting mechanism 12.

The principle of the methane generated by the whole methane tank is that the methane is fed through the feeding pipe 11, the material source can be poultry, livestock and human excrement, the material enters the fermentation tank 22 through the feeding pipe 11 for fermentation, when the fermentation tank 22 generates the methane, the methane in the fermentation tank 22 is continuously increased, the pressure is continuously increased, the liquid level in the fermentation tank 22 is forced to fall, a part of feed liquid is extruded into the water pressure chamber 10, when people open the stove, the methane is led out for life through the air duct 5, the pressure in the methane tank is gradually reduced, the feed liquid in the water pressure chamber 10 continuously flows back to the main tank, the buffer cavity 8 is used for discharging the excrement with less moisture through the buffer cavity 8 and the slag discharge pipe 9 when the excessive excrement enters the fermentation tank 2, the excrement can be used for crops, the utilization rate is further improved, in the whole process of generating the methane, the movable cover 4 covers the supporting mechanism 12 at the opening of the movable opening of the, the sealing assembly 6 is arranged on the lower side wall of the movable cover 4, so that the joint of the space inside the fermentation tank 22 and the movable cover 4 can be filled, and the sealing performance is improved.

As shown in fig. 2, the supporting mechanism 12 includes a first supporting frame 1201 and a second supporting frame 1202, wherein the first supporting frame 1201 and the second supporting frame 1202 are both hollow structures, and the bottom opening of the second supporting frame 1202 should be connected with the edge of the movable opening, the first supporting frame 1201 and the second supporting frame 1202 are provided with a step surface, which can serve to support the movable lid 4, and the sealing assembly 6 is disposed between the step surface and the movable lid 4, which can achieve good sealing performance, and preferably, the cross section of the first supporting frame 1201 and the second supporting frame 1202 is in an inverted trapezoid shape, as shown in fig. 2, one side of the cross section is two continuous inclined lines, which are continuous with the step surface, the movable lid 4 includes an upper lid 401 and a lower lid 402, the connection manner of the upper lid 401 and the lower lid 402 is not specifically described, which can be any connection manner, in this embodiment, preferably, an integral structure, and the diameter of the lower side wall of the upper cover 401 is greater than that of the upper side wall of the lower cover 402, wherein the edge of the upper cover 401 is attached to the inner side wall of the first support frame 1201, the edge of the lower cover 402 is attached to the inner side wall of the second support frame 1202, and when the upper cover 401 is located at the step surface along the lower edge of the first support frame 1201 and the lower cover 402 fills the space of the second support frame 1202, it can be understood that when the movable cover 4 is closed, the upper cover 401 is completely attached to the step surface, and when the lower cover 402 slides along the inner side wall of the second support frame 1202, the upper cover 401 is completely attached to the step surface and the lower cover 402 is completely filled in the hollow structure of the second support frame 1202, so that leakage can be prevented well and sealing performance can be improved.

The sealing assembly 6 comprises a sealing ring which is arranged on the lower side wall of the upper cover 401 and is convexly arranged and a groove which is formed in the step surface and is matched with the sealing ring, and particularly, referring to fig. 2, when the upper cover 401 covers the step surface, the sealing ring is just clamped in the groove, so that the situation that the upper cover 401 cannot be tightly attached to the step surface due to the fact that the height of the sealing ring is not matched with the depth of the groove is avoided.

In order to further improve the sealing performance and prevent the movable cover 4 from loosening, a locking mechanism 13 is provided, and specifically, referring to fig. 2, the locking mechanism 13 includes a plug and a slot provided in the first support frame 1201 and the edge soil, when the upper cover 401 covers the step surface, the plug is movably inserted into the slot to fix the movable cover 4, and the number of the plug and the slot is not limited as long as the plug and the slot can be symmetrical and compacted.

In order to prevent the movable cover 4 from being exposed to the sun, the upper end side wall of the movable cover 4 is provided with an annular water storage tank 14, water is required to be stored in the water storage tank 14 all the year round, of course, the water storage tank 14 is not only in the annular design, but also can be in other shapes such as a square shape, a triangular shape and the like, and the number of the water storage tanks 14 is not limited.

In order to prevent the material entering through the inlet pipe 1 from being blocked at the feeding end of the fermentation tank 2, the device further comprises a stirring device 3 arranged in the fermentation tank 2, the stirring device 3 is arranged at one end close to the inlet pipe 1, when the material is blocked, the stirring can be carried out, it can be understood that the stirring device 3 can only stir the end part of the inlet pipe 1, and preferably, the stirring device 3 comprises a stirring motor arranged outside the fermentation tank 2, an output shaft connected with the stirring motor, an impeller seat connected to the output shaft and a stirring blade connected to the impeller seat, and key equipment such as a speed reducer, a shaft coupling and the like, wherein the output shaft of the stirring motor is connected with the speed reducer, the output shaft of the speed reducer is connected with the shaft coupling, and the shaft coupling is connected with the output shaft, so as.

it will be appreciated that the excrement is fed into the fermentation tank 22 through the feed pipe 11 to be fermented, when the fermentation tank 22 generates biogas, the biogas in the fermentation tank 22 is continuously increased, the pressure is continuously increased, the liquid level in the fermentation tank 22 is forced to fall, a part of the feed liquid is squeezed out to the water pressure chamber 10, when people open the stove, the marsh gas is led out for life through the gas guide pipe 5, the pressure in the marsh gas tank is gradually reduced, the feed liquid in the water pressure room 10 continuously flows back to the main tank, the buffer cavity 8 is used for leading excessive excrement into the fermentation tank 2, the excrement with less moisture can be discharged through the buffer cavity 8 and the slag discharge pipe 9, and can be used for crops, the utilization rate is further improved, in the whole process of generating the biogas, the sealing assembly 6 arranged on the lower side wall of the movable cover 4 can fill the joint between the inner space of the fermentation tank 22 and the movable cover 4, thereby improving the sealing property.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. The utility model provides a horizontal methane-generating pit, including inlet pipe, fermentation cylinder, with the fermentation cylinder pass through between the water pressure of pipe connection, with the cushion chamber that the fermentation cylinder discharge end is connected, wherein the cushion chamber is kept away from fermentation cylinder one side is connected with the scum pipe, the upper end side is equipped with the overflow mouth between the water pressure, the fermentation cylinder is close to the upside of inlet pipe is opened there is the expansion gap, the upper end cooperation of expansion gap has movable cover, the inside of movable cover has still pegged graft the air duct, the fermentation cylinder is close to the upside of discharge end is opened there is inspection hole, its characterized in that: the movable cover is characterized in that a supporting mechanism is further arranged at the opening of the movable opening, a sealing assembly is arranged on the lower side wall of the movable cover, and the movable cover and the supporting mechanism are covered by the sealing assembly.

2. The horizontal biogas digester according to claim 1, wherein: the supporting mechanism comprises a first supporting frame and a second supporting frame, wherein the first supporting frame and the second supporting frame are both of a hollow structure, the first supporting frame and the second supporting frame are provided with a step surface, and the sealing assembly is arranged between the step surface and the movable cover.

3. The horizontal biogas digester according to claim 2, wherein: the first support frame with the cross-section of second support frame is the trapezoidal form of handstand, the movable cover includes upper cover and lower cover, wherein the edge of upper cover with the laminating of first support frame inside wall, the edge of lower cover with the laminating of the inside wall of second support frame, and work as the upper cover is followed first support frame is followed down the step face, the lower cover is filled wholly the second support frame space.

4. The horizontal biogas digester according to claim 3, wherein: the sealing assembly comprises a sealing ring which is arranged on the lower side wall of the upper cover and is arranged in a protruding mode and a groove which is formed in the step surface and matched with the sealing ring.

5. The horizontal biogas digester according to claim 4, wherein: the locking mechanism comprises a bolt and a slot arranged in the first support frame and the edge soil, and when the upper cover covers the step surface, the bolt can be movably inserted into the slot to fix the movable cover.

6. The horizontal biogas digester according to claim 1, wherein: the side wall of the upper end of the movable cover is provided with an annular water storage tank.

7. The horizontal biogas digester according to any one of the preceding claims, wherein: still including setting up agitating unit in the fermentation cylinder, agitating unit sets up and is being close to the one end of inlet pipe.

8. The horizontal biogas digester according to claim 7, wherein: the stirring device comprises a stirring motor arranged outside the fermentation tank, an output shaft connected with the stirring motor, an impeller seat connected with the output shaft and stirring blades connected with the impeller seat.