CN2646147Y - Pneumatic stirring apparatus for methane generating pit - Google Patents

Abstract

The utility model relates to a biogas tank pneumatic stirring device, which includes a worm gear agitator and a bracket; There are more than 3 tubular blades and they are uniformly fixed on the rotating shaft, and baffles are fixed at both ends of the semicircular tubular blades, and a pneumatic chamber is formed between each semicircular tubular blade and the baffle; the rotating shaft is installed on the bracket through bearings . The beneficial effect of the utility model is that the structure is simple, the action is flexible, the stirring is even, and the gas production rate can be increased;

Description

Biogas digester pneumatic stirring device

Technical field

The utility model relates to a pneumatic stirring device for biogas pools, which is suitable for installation and use in households and large and medium-sized biogas pools.

Background technique

At present, biogas digesters generally have the problems of crusting on the surface of the fermentation feed liquid in the tank and difficulty in stirring the fermentation feed liquid. Generally, manual or mechanical stirring is required, which is time-consuming and laborious, and the stirring is uneven, which affects the gas production rate.

Contents of the invention

The technical problem to be solved by the utility model is to provide a biogas digester pneumatic stirring device that uses biogas as power, and can output excess power for driving small water pumps and the like.

The technical solution adopted by the utility model to solve its technical problems:

The utility model includes a worm wheel type agitator and a bracket; the worm wheel type agitator is composed of a rotating shaft, a semicircular tubular blade, stirring teeth uniformly distributed on its outer edge and a baffle plate, and the semicircular tubular blade is more than 3 and uniformly distributed It is fixed on the rotating shaft, and baffles are fixed at both ends of the semicircular tubular blades, and an aerodynamic chamber is formed between each semicircular tubular blade and the baffle; the rotating shaft is installed on the bracket through bearings.

The number of said semi-circular tubular blades is preferably 4.

It also includes a lever-type power take-off mechanism. The lever-type power take-off mechanism is composed of evenly distributed levers, levers, lever brackets, connecting rods, and guide rails on the side of the baffle plate. The lever is installed on the lever bracket through the rotating shaft. One end of the lever The top surface of the lever is in contact with the driving rod, and the other end of the lever is connected with the lower end of the connecting rod through a bearing pin. The connecting rod is located in the guide rail, and a positioning pin is arranged at the upper end of the connecting rod.

The utility model has the beneficial effects of simple structure, flexible action, uniform stirring, and improved gas production rate; good shell breaking effect; not only does not need power, but also can output excess power to do work; it is easy to popularize and apply.

Description of drawings

Fig. 1 is the structural representation of the utility model.

FIG. 2 is a top view of FIG. 1 .

Fig. 3 is a sectional view along A-A of Fig. 2 .

Detailed ways

As can be seen from the embodiment shown in Figures 1-3, it includes a worm gear agitator and a support 5; Composed of plate 1, semicircular tubular blades 11 are four and evenly distributed on the rotating shaft 2, baffles 1 are fixed at both ends of semicircular tubular blades 11, and each semicircular tubular blade 11 and baffle plate 1 are formed Pneumatic chamber 12; rotating shaft 2 is installed on the bracket 5 through bearings.

In this embodiment, it also includes a lever-type power output mechanism, which is composed of a uniformly distributed driving rod 3, a lever 7, a lever bracket 6, a connecting rod 10, and a guide rail 8 on the side of the baffle plate 1. , the lever 7 is installed on the lever bracket 6 through the rotating shaft, the top surface of one end of the lever 7 is in contact with the driving lever 3, the other end of the lever 7 is connected with the lower end of the connecting rod 10 through a pin shaft, and the connecting rod 10 is located in the guide rail 8, Described guide rail 8 is circular tube shape. A positioning pin 9 is provided at the upper end of the connecting rod 10 .

The positions of the stirring teeth 4 on two adjacent semi-circular tubular blades 11 are alternately distributed (see FIG. 2 ).

In the specific use of the utility model, the size of the semicircular tubular blade 11 is determined according to the size and shape of the methane tank. The utility model is installed in the middle of the biogas pit, so that the upper end of the stirring tooth 4 on the semicircular tubular blade 11 is in contact with the liquid surface of the fermented material in the biogas pit.

When the biogas generated in the biogas digester enters the pneumatic chamber 12, the worm gear agitator is driven to rotate. On the one hand, the fermentation feed liquid in the biogas digester is stirred evenly;

Simultaneously, the driving lever 3 on the side of the baffle plate 1 moves the lever 7 to move up and down, and the redundant power is driven through the connecting rod 10 to drive the small water pump to work, so that the water in the biogas tank can be pumped out to flush the toilet or pigsty, so as to Save tap water.

Claims (5)

1, the pneumatic whipping appts of a kind of methane-generating pit is characterized in that it includes worm-gear type agitator and support (5); The worm-gear type agitator is by rotating shaft (2), semi-circle tubular blade (11) and be positioned at stirrer gear uniform on its outer rim (4) and plate washer (1) is formed, semi-circle tubular blade (11) is more than 3 and uniform being fixed in the rotating shaft (2), be fixed with baffle plate (1) at the two ends of semi-circle tubular blade (11), form pneumatic chamber (12) between each semi-circle tubular blade (11) and the plate washer (1); Rotating shaft (2) is installed on the support (5) by bearing.

2, the pneumatic whipping appts of methane-generating pit according to claim 1, the number that it is characterized in that semi-circle tubular blade (11) is 4.

3, the pneumatic whipping appts of methane-generating pit according to claim 2, it is characterized in that it also includes the lever power take-off mechanism, the lever power take-off mechanism is by the uniform driving lever (3) that is positioned on plate washer (1) side, lever (7), lever dolly (6), connecting rod (10), guide rail (8) is formed, lever (7) is installed on the lever dolly (6) by rotating shaft, the end face of lever (7) one ends contacts with driving lever (3), lever (7) the other end is connected by the lower end of bearing pin with connecting rod (10), connecting rod (10) is positioned among the guide rail (8), is provided with steady brace (9) in the upper end of connecting rod (10).

4, the pneumatic whipping appts of methane-generating pit according to claim 3 is characterized in that the position of the stirrer gear (4) on adjacent two semi-circle tubular blades (11) is interspersed.

5, the pneumatic whipping appts of methane-generating pit according to claim 4 is characterized in that described guide rail (8) is a tubular.

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