114results about How to "Long fermentation route" patented technology

The invention discloses a double cylinders bundled type straw biogas digester. A biogas digester body is composed of a feed pipe, a discharge pipe, a fermentation pipeline and a hydraulic pressure chamber. The fermentation pipeline is horizontally arranged. The feed pipe inclines to be connected with the fermentation pipeline. The discharge pipe is vertically arranged to be connected with the fermentation pipeline. The hydraulic pressure chamber with two ends communicated is arranged at the top of the fermentation pipeline along the center axis of the fermentation pipeline and is communicated with the side wall of the feed pipe and the side wall of the discharge pipe. Air ducts are communicated with the fermentation pipeline. According to the arrangement, straws are conveniently fed in, due to the straight cylinder type fermentation pipeline, a fermentation path of the straws is prolonged, biogas is smoothly exhausted through the air ducts, and blocking never occurs; structure is reasonable, and the whole biogas digester is made of glass fiber reinforced plastic material or made by connecting PVC (polyvinyl chloride) pipelines.

The invention discloses a method for producing biogas by a biogas slurry reflux stirring device of an auger type biogas generation system. The method comprises the steps of pouring fermentation raw materials from a feeding pipe, fermenting in a fermentation pipeline to produce biogas, respectively gathering the biogas in fermentation areas formed between the feeding pipe/discharging pipe and adjacent gas blocking plates or between the adjacent gas blocking plates, enabling the biogas to occupy the space in the fermentation area, extruding biogas slurry to realize convection, and enabling the biogas slurry to flow to the feeding pipe, the discharging pipe and a bacteria distribution device, wherein the biogas slurry in the fermentation pipe flows into a water pressure room through a drainage hole of the feeding pipe, the drainage hole of the discharging pipe and a drainage pipe of the bacteria distribution device as the liquid level of the biogas slurry in the feeding pipe, the discharging pipe and the bacteria distribution device rises; and using the biogas stored in any one fermentation area, wherein the gas pressure of the biogas stored in the fermentation area is reduced, the biogas slurry in the adjacent fermentation area flows into the fermentation area, and the biogas slurry stored in the water pressure room flows back into the fermentation pipeline through the drainage hole of the feeding pipe, the drainage hole of the discharging pipe and the drainage pipe of the bacteria distribution device to supplement the reduced biogas space, thereby completing the circulating flow of the biogas slurry.

A device for promoting biogas slurry return flow agitation in an intertwined biogas generation system comprises a feeding pipe, a discharging pipe and a U-shaped fermentation pipeline. The U-shaped fermentation pipeline is horizontally placed, the feeding pipe and the discharging pipe are vertically connected with two end sides of the U-shaped fermentation pipeline, a water pressure space is formed on the U-shaped fermentation pipeline, a feeding pipe drain hole is formed in the joint of the water pressure space and the feeding pipe, a discharging pipe drain hole is formed in the joint of the water pressure space and the discharging pipe, a feeding pipe gas baffle plate is arranged at the joint of the U-shaped fermentation pipeline and the feeding pipe, a discharging pipe gas baffle plate is arranged at the joint of the U-shaped fermentation pipeline and the discharging pipe, at least one gas baffle plate is arranged between the discharging pipe gas baffle plate and the feeding pipe gas baffle plate, a fermentation area is formed among the feeding/discharging pipe and the adjacent gas baffle plates or between the adjacent gas baffle plates, an independent gas collecting pipe is arranged at the top of each fermentation area, the top of each fermentation area is connected with the independent gas collecting pipe, and a valve is arranged on each gas collecting pipe. A U-shaped channel-type fermentation device is used, a fermentation path is long, biogas slurry sufficiently flows in the system by control of water pressure difference and one-way valves, bacteria are driven to be uniformly distributed, crusting is effectively prevented, and gas generating rate is high.

The invention discloses a detachable combined novel energy generating device. The detachable combined novel energy generating device comprises a feeding pipe, a discharging pipe, a fermenting pipeline and a water pressure chamber, wherein the fermenting pipeline is an annular fermenting pipeline, the water pressure chamber is arranged on the top of the annular fermenting pipeline, an opening is formed in the annular fermenting pipeline, a partition board which extends to the bottom of the annular fermenting pipeline is formed in the central position of the opening, the feeding pipe and the discharging pipe are respectively inserted into two sides of the partition board, and the side walls of the feeding pipe and the discharging pipe extend below the liquid level of biogas slurry of the annular fermenting pipeline; a feeding pipe draining pipe is connected between the water pressure chamber and the feeding pipe, a discharging pipe draining pipe is connected between the water pressure chamber and the discharging pipe, at least one gas baffle is arranged in the annular fermenting pipeline, one fermenting region is formed between every two adjacent gas baffles, independent gas guide pipes are arranged on the tops of the fermenting regions, and valve bodies are arranged on the gas guide pipes. By virtue of an annular fermenting system, a fermenting route is long, and the adequate fermentation is guaranteed; by dividing the fermenting system into multiple fermenting regions by virtue of multiple gas baffles, and the flow of the biogas slurry, strains and fermenting raw materials is promoted by virtue of air pressure difference, so that the fermenting efficiency is improved.

The invention discloses a method for producing methane in a secondary synchronous methane fermentation system. The method comprises the following steps: fermenting to produce biogas in a primary fermentation system, and gathering the biogas in the side walls of a charging/discharging barrel and adjacent gas baffles or in a fermentation area formed between adjacent gas baffles; extruding the biogas slurry in a primary fermentation pipeline to flow to a first water guide pipe and a second water guide pipe, and finally allowing the biogas slurry to flow into a secondary fermentation pipeline; fermenting to produce biogas in a secondary fermentation system, and gathering the biogas between the side walls of a secondary feeding/discharging pipe and adjacent gas baffles or in a fermentation area formed between the adjacent gas baffles, allowing the biogas slurry to flow into a water pressure room in a one-way mode by virtue of a secondary discharging pipe, and allowing the biogas slurry in the secondary fermentation pipeline to flow into the water pressure room by virtue of a drainage pipe of a bacteria distribution device when the liquid level of the biogas slurry in the water pressure room reaches the lowest position of the upper part of the drainage pipe of the bacteria distribution device.

The invention discloses a large capacity storage methane fermentation system which comprises a primary fermentation system and a secondary fermentation system, wherein the mounting position of the secondary fermentation system is higher than that of the primary fermentation system; the primary fermentation system and the secondary fermentation system are connected by virtue of a water guide pipe; the water guide pipe is connected between a secondary feeding pipe and/or discharging pipe and a primary fermentation pipeline; and a water guide pipe is connected between a water pressure room and the primary fermentation pipeline. An annular fermentation pipeline is adopted in the primary fermentation system, the fermentation route is long, circular flow of biogas slurry in the system is promoted by virtue of simultaneous fermentation of the primary fermentation system and the secondary fermentation system, stirring of the biogas slurry is effectively promoted, uniform culture distribution is promoted, and the fermentation efficiency in the system is improved.

The invention discloses a multistage linked fermentation system capable of improving a biogas slurry turbulence effect. The fermentation system comprises a primary fermentation system and a secondary fermentation system, wherein the installation position of the secondary fermentation system is higher than that of the primary fermentation system; the primary fermentation system is connected with the secondary fermentation system by use of a water guide pipe; a water guide pipe is connected between a secondary feed pipe and/or a discharge pipe and a primary fermentation pipeline, and a water guide pipe is also connected between a water pressure chamber and the primary fermentation pipeline. The primary fermentation system adopts an annular fermentation pipeline, so that the fermentation route is long; biogas slurry can be promoted to circularly flow in the system by virtue of the synchronous fermentation of the primary fermentation system and the secondary fermentation system, and therefore, the biogas slurry can be stirred favorably, a bacterial strain can be distributed evenly, and the fermentation efficiency in the system can be improved.

The invention discloses a method for producing biogas employing a super-effective biogas fermentation system. The method comprises the following steps: a fermentation raw material is poured into a feeding pipe, wherein a plurality of fermentation zones in an annular fermentation pipeline generate different biogases in quantity; the fermentation zone with relatively high atmospheric pressure prompts biogas slurry to flow towards the fermentation zone with relatively low atmospheric pressure; when the biogas is fully collected in the fermentation zone with relatively high atmospheric pressure, the biogas generated by further fermentation flows towards the adjacent fermentation zone which is not full of the biogas; in the biogas production process in the annular fermentation pipeline, the biogas slurry is extruded in the fermentation pipeline into a feeding pipe, a discharge pipe and a bacteria distribution device; firstly, the biogas slurry in the fermentation pipeline is extruded into a water pressure room through the bacteria distribution device; and when the liquid level of the biogas slurry in the water pressure room reaches the lowest liquid levels of a feeding pipe drain pipe and a discharge pipe drain pipe, the biogas slurry flows into the water pressure room through the feeding pipe drain pipe, and flows into the water pressure room through the discharge pipe drain pipe in a one-way.

The invention discloses a novel biogas fermentation device of separation floating cover type, which comprises a first fermentation room (1), a second fermentation room (2) and a third fermentation room (3) which are sequentially connected from top to bottom. A fermentation room (1) is provided with a steam input pipe (80), a valve is provided between two adjacent fermentation rooms, and a valve is provided in the second fermentation room (2) and the third fermentation room (3). There is a diffusion device; the three fermentation rooms are equipped with annular air pipes, and each of the annular air pipes passes through the corresponding fermentation room, and the annular air pipes between two adjacent fermentation rooms protrude The ends are connected to each other, and the corresponding steam pipes are externally connected to the connected positions. The present invention is provided with three fermentation rooms connected from top to bottom, and is equipped with a diffusion device, and an annular air pipe connected to a steam conduit, while controlling the temperature, it can also discharge materials in a timely manner without affecting the continuity of fermentation. The fermentation efficiency is improved, and the output of biogas is increased.

The invention discloses a method for generating biogas in an intertwined partitioned super-efficient bacteria distribution biogas fermentation system. The method includes the steps: pouring fermentation raw materials from a feeding pipe and fermenting the raw materials in a fermentation pipeline to generate the biogas; using the biogas stored in an optional fermentation area. The biogas is respectively gathered in fermentation areas formed among the feeding/discharging pipe and adjacent gas baffle plates or between the adjacent gas baffle plates, occupies space in the fermentation areas, squeezes biogas slurry in convection and flows towards the feeding pipe and the discharging pipe, and the biogas slurry in the fermentation pipeline flows into a water pressure space through a drain hole of the discharging pipe along with rise of the liquid level of the biogas slurry in the feeding pipe and the discharging pipe. The pressure of the biogas stored in the optional fermentation area is reduced, the biogas slurry in an adjacent fermentation area flows towards the optional fermentation area, and the biogas slurry stored in the water pressure space unidirectionally flows into the fermentation pipeline through a drain hole of the feeding pipe and flows back into the fermentation pipeline through the drain hole of the discharging pipe to supplement reduced biogas space, so that circulating flow of the biogas slurry is finished.

The invention discloses a super-efficient fermentation system for promoting biogas slurry convective stirring by virtue of synchronous fermentation. The super-efficient fermentation system comprises a primary fermentation system and a secondary fermentation system, wherein the mounting position of the secondary fermentation system is higher than that of the primary fermentation system; the primary fermentation system is connected with the secondary fermentation system by virtue of a water guide pipe; a water guide pipe is connected between a secondary feed pipe and/or discharge pipe and a primary fermentation pipeline; a water guide pipe is connected between a water pressure chamber and the primary fermentation pipeline; and the primary fermentation system adopts an annular fermentation pipeline, the fermentation route is long, and the synchronous fermentation of the primary fermentation system and the secondary fermentation system promotes biogas slurry to flow circularly in the system, so that stirring of the biogas slurry is effectively promoted, the uniform distribution of strains is driven, and the fermentation efficiency in the system is improved.

A methane generation system hydraulically and pneumatically promoting uniform bacteria distribution comprises a feeding pipe, a discharging pipe and a U-shaped fermentation pipeline. The U-shaped fermentation pipeline is horizontally placed, the feeding pipe and the discharging pipe are vertically connected with two end sides of the U-shaped fermentation pipeline, a water pressure space is formed on the U-shaped fermentation pipeline, a feeding pipe drain hole is formed in the joint of the water pressure space and the feeding pipe, a discharging pipe drain hole is formed in the joint of the water pressure space and the discharging pipe, a feeding pipe gas baffle plate is arranged at the joint of the U-shaped fermentation pipeline and the feeding pipe, a discharging pipe gas baffle plate is arranged at the joint of the U-shaped fermentation pipeline and the discharging pipe, at least one gas baffle plate is arranged between the discharging pipe gas baffle plate and the feeding pipe gas baffle plate, a fermentation area is formed among the feeding/discharging pipe and the adjacent gas baffle plates or between the adjacent gas baffle plates, an independent gas collecting pipe is arranged at the top of each fermentation area, the top of each fermentation area is connected with the independent gas collecting pipe, and a valve is arranged on each gas collecting pipe. A U-shaped channel-type fermentation device is used, a fermentation path is long, biogas slurry sufficiently flows in the system by control of water pressure difference and one-way valves, bacteria are driven to be uniformly distributed, crusting is effectively prevented, and gas generating rate is high.

The invention discloses a U-shaped biogas fermentation system. The U-shaped biogas fermentation system comprises a feed pipe, a discharge pipe, a U-shaped fermentation pipeline, wherein the U-shaped fermentation pipeline is arranged horizontally; the feed pipe and the discharge pipe are vertically connected to the two end sides of the U-shaped fermentation pipeline; a water pressure chamber is arranged on the upper part of the U-shaped fermentation pipeline; a feed pipe drain hole is formed in the connection position of the water pressure chamber and the feed pipe, while a discharge pipe drain hole is formed in the connection position of the water pressure chamber and the discharge pipe; a feed pipe gas stop plate is arranged at the connection position of the U-shaped fermentation pipeline and the feed pipe, while a discharge pipe gas stop plate is arranged at the connection position of the U-shaped fermentation pipeline and the discharge pipe; a gas collecting pipe is arranged on the U-shaped fermentation pipeline; a one-way valve for controlling the biogas slurry in the U-shaped fermentation pipeline to flow into the water pressure chamber in one direction is arranged at the position of the discharge pipe drain hole; a U-shaped channel-type fermentation device is adopted and the fermentation path is long; sufficient flowing of the biogas slurry in the system is realized by virtue of the water pressure difference and the control of the one-way valve; besides, bacteria are distributed evenly to effectively prevent crusting; the U-shaped biogas fermentation system is high in gas generation rate and suitable for large-scale production.