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

The invention discloses a bend type pneumatic extrusion biogas fluid stirred flow super efficient methane generation system. The bend type pneumatic extrusion biogas fluid stirred flow super efficient methane generation system comprises a feed pipe, a discharge pipe and a U-shaped fermentation pipeline, the U-shaped fermentation pipeline is horizontally placed, the feed pipe and the discharge pipe are vertically connected with two end sides of the U-shaped fermentation pipeline, a hydraulic pressure room is located at the upper part of the U-shaped fermentation pipeline, the connection part between the hydraulic pressure room and the feed pipe is the feed pipe drain hole, the connection part between the hydraulic pressure room and the discharge pipe is the discharge pipe drain hole, the connection part between the U-shaped fermentation pipeline and the feed pipe is provided with a feed pipe gas baffle plate, the connection part between the U-shaped fermentation pipeline and the discharge pipe is provided with a discharge pipe gas baffle plate, at least one gas baffle plate is formed between the discharge pipe gas baffle plate and the feed pipe gas baffle plate, a fermentation region is formed between the feed pipe / discharge pipe and the adjacent gas baffle plate or between the adjacent gas baffle plates, an independent gas collecting pipe is arranged at the top of each fermentation region; the top of each fermentation region is connected with the independent gas collecting pipe and the independent gas collecting pipe is provided with a valve body; the fermentation line is long by adopting the U-shaped channel-type fermentation device, the biogas fluid can flow in the system for driving the bacteria to be evenly distributed through the control of the water pressure difference and the one-way valve, the crusting phenomenon can be effectively prevented and the gas yield is high.

A device for improving the turbulence effect of biogas slurry in a curved methane generation system, which includes: feed pipe, discharge pipe, U-shaped fermentation pipe, the U-shaped fermentation pipe is placed horizontally, and the feed pipe and discharge pipe are vertically connected to the U-shaped fermentation pipe. On both ends of the pipeline, a water pressure room is placed on the upper part of the U-shaped fermentation pipeline. A feed pipe air baffle is set at the connection position between the pipeline and the feed pipe, a discharge pipe air baffle is set at the connection position between the U-shaped fermentation pipeline and the discharge pipe, the discharge pipe air baffle and the feed pipe air baffle There is also at least one air baffle between them, and a fermentation area is formed between the inlet / outlet pipe and the adjacent air baffle or between the adjacent air baffles, and the top of each fermentation area is provided with an independent collector Trachea; the top of each fermentation area is connected to an independent gas collection pipe, and the gas collection pipe is equipped with a valve body; the U-shaped channel fermentation device is adopted, the fermentation route is long, and the biogas slurry is realized by using the control of water pressure difference and one-way valve It flows fully in the system and drives the uniform distribution of bacteria, effectively preventing crusting and high gas production rate.

The invention discloses a method for producing methane by using a system used for promoting uniform distribution of strains in a tower-type two-stage linkage fermentation way. The method comprises following steps: fermentation is performed in a first-stage fermentation system to generate methane and the generated methane is accumulated in a fermentation region formed between the side wall of a charge / discharge barrel and an adjacent gas blocking plate or between adjacent gas blocking plates; then, biogas slurry in a first-stage fermentation pipeline is pressed to flow into a first water guide pipe and a second water guide pipe and finally flow into a second-stage fermentation pipeline; methane is produced through fermentation in a second-stage fermentation system, is accumulated in a fermentation region formed between the side wall of a second-stage charge / discharge tube and an adjacent gas blocking plate or between adjacent gas blocking plates and finally flows into a hydraulic pressure room through the second-stage discharge pipe in a unidirectional way.

The invention discloses a pan-long type biogas fermentation system for spreading bacteria in several partitions, which includes: a feed pipe, a discharge pipe, and a U-shaped fermentation pipe. The U-shaped fermentation pipe is placed horizontally, and the feed pipe and the discharge pipe are vertically connected by U. At both ends of the U-shaped fermentation pipeline, a water pressure room is placed on the upper part of the U-shaped fermentation pipeline. A feed pipe air baffle is set at the connection position between the U-shaped fermentation pipeline and the feed pipe, a discharge pipe air baffle is set at the connection position between the U-shaped fermentation pipeline and the discharge pipe, the discharge pipe air baffle and the feed pipe baffle At least one air baffle is also arranged between the air plates, and a fermentation area is formed between the inlet / outlet pipe and the adjacent air baffles or between adjacent air baffles, and the top of each fermentation area is provided with an independent The gas collection pipe; the top of each fermentation area is connected to an independent gas collection pipe, and a valve body is arranged on the gas collection pipe.

The invention discloses an ultra-high-efficiency biogas generating device that air pressure promotes biogas slurry circulation, which includes a feed pipe, a discharge pipe, and a U-shaped fermentation pipe. The U-shaped fermentation pipe is placed horizontally, and the feed pipe and the discharge pipe are connected vertically. At both ends of the U-shaped fermentation pipeline, a water pressure room is placed on the upper part of the U-shaped fermentation pipeline. The connection between the water pressure room and the feed pipe is the drain hole of the feed pipe, and the connection between the water pressure room and the discharge pipe is the discharge hole of the discharge pipe. A feed pipe air baffle is set at the connection position between the U-shaped fermentation pipeline and the feed pipe, and a discharge pipe air baffle is set at the connection position between the U-shaped fermentation pipeline and the discharge pipe; the U-shaped fermentation pipeline is provided with a gas collecting pipe. The drain hole of the feed pipe is provided with a one-way valve to control the one-way flow of the biogas slurry in the water pressure chamber into the feed pipe. The fermentation route is long, using the control of water pressure difference and one-way valve to realize the full flow of biogas slurry in the system, and to drive the uniform distribution of bacteria, effectively prevent crusting, high gas production rate, suitable for large-scale production.

The invention discloses a multi-level interaction type 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 second fermentation system are connected by virtue of a water guide pipe; a 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. The primary fermentation system adopts an annular fermentation pipeline, the fermentation route is long, circulating flow of a biogas slurry in the system is promoted by virtue of synchronous fermentation of the primary fermentation system and the second fermentation system, stirring of the biogas slurry is effectively promoted, uniform distribution of strains is driven, and the fermentation efficiency in the system is improved.

The invention discloses a method for producing biogas by use of a biogas generation system with a bacterium distributor for promoting even distribution of bacteria. The method comprises the following steps that: fermentation raw materials are poured into a U-shaped fermentation pipeline via a feed pipe and fermented to produce biogas, the biogas is gathered in the space between a feed pipe gas baffle plate and a discharge pipe gas baffle plate in the U-shaped fermentation pipeline so as to occupy the space in the fermentation pipeline and push the biogas slurry in the fermentation pipeline to flow into the feed pipe, the discharge pipe and the bacterium distributor and further flow into a water pressure chamber unidirectionally via a discharge pipe drain hole and flow into the water pressure chamber via the drain pipe of the bacterium distributor; and when the biogas stored in the fermentation pipeline is output to the outside via a gas collecting pipe, the pressure of the biogas in the fermentation pipeline drops and the biogas stored in the water pressure chamber unidirectionally flows into the fermentation pipeline via the feed pipe drain hole and returns to the fermentation pipeline via the drain pipe of the bacterium distributor, and therefore, circular flow of the biogas slurry is completed.

The invention discloses an annular biogas fermentation system with multi-area biogas slurry circulation and stirring. The main body of the biogas fermentation system is composed of an inlet and outlet barrel, an annular fermentation pipeline, and a hydraulic room. The inlet and outlet barrels are vertically connected to the annular fermentation pipeline. Feed pipe and discharge pipe, the feed pipe and discharge pipe are separated by a partition extending vertically to the bottom of the fermentation pipe, the water pressure room is installed on the top of the water pressure room, and the water pressure room is connected to the feed pipe There is a feed pipe drain pipe, a discharge pipe drain pipe is connected between the water pressure room and the discharge pipe, a feed pipe air baffle is set at the connection position between the ring-shaped fermentation pipe and the feed pipe, and the ring-shaped fermentation pipe and the discharge pipe A discharge pipe air baffle is arranged at the connection position, at least one air baffle is arranged between the feed pipe air baffle and the discharge pipe air baffle, and a fermentation zone is formed between adjacent air baffles.

The invention discloses a hydraulic double-pipe channel type biogas generating device, which includes a feed pipe, a discharge pipe, and a U-shaped fermentation pipe. The U-shaped fermentation pipe is placed horizontally, and the feed pipe and the discharge pipe are vertically connected to the U-shaped fermentation pipe. At both ends of the pipeline, a water pressure room is placed on the upper part of the U-shaped fermentation pipeline. A feed pipe air baffle is set at the connection position between the pipeline and the feed pipe, and a discharge pipe air baffle is set at the connection position between the U-shaped fermentation pipeline and the discharge pipe; The position of the drainage hole is provided with a one-way valve to control the one-way flow of the biogas slurry in the fermentation pipeline into the water pressure room, and the one-way valve is set on the drain hole of the feed pipe to control the one-way flow of the biogas slurry in the water pressure room into the feed pipe; The channel-type fermentation device has a long fermentation route, and uses the control of water pressure difference and one-way valve to realize the full flow of biogas slurry in the system, and to drive the uniform distribution of bacteria, effectively preventing crusting, high gas production rate, suitable for Large-scale production.

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 method for generating methane in a methane generation device with a bent super-long fermentation path. 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 methane; using the methane stored in an optional fermentation area. The methane 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, the discharging pipe and a bacteria distribution device, and the biogas slurry in the fermentation pipeline unidirectionally flows into a water pressure space through a drain hole of the discharging pipe and flows into the water pressure space through a drain pipe of the bacteria distribution device along with rise of the liquid level of the biogas slurry in the feeding pipe, the discharging pipe and the bacteria distribution device. The pressure of the methane 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 back into the feeding pipe through a drain hole of the feeding pipe and flows back into the fermentation pipeline through the drain pipe of the bacteria distribution device to supplement reduced methane space, so that circulating flow of the biogas slurry is finished.