DE3007064A1 - Small farmyard manure gas plant - using hand pump instead of motorised paddle mixer - Google Patents

Abstract

The Parent Patent No. 2711146 described a farmyard manure gas plant of small enough size to be suitable for single farms. To make this system independent of any electric power, the paddle mixer in the manure fermentation pit, driven by an electric motor, is now replaced by a hand pump which is built into the pit at an angle and is also used to feed straw, grass and other waste into the pit. This makes the system more suitable for farms in remote localities or in developing countries.

Description

Re: Addition - patent application to patent application

AO1C 3-02 AT 15.03.77 P 27 11 146.2-23 with 'rerauchsmust2r - auxiliary registration here: registration of a "small biogas plant", - 3 Description: This additional patent application for the two-stage fermentation system of the above-mentioned Jaupta announcement contains the technical invention to ensure the introduction of straw, grass, leaves and other waste with a simple hand pump without a motorized stirring system, with simultaneous movement of the liquid fermentation chamber and the necessary poor ventilation.

This brings major advantages for developing countries in particular Production of high-quality fertilizer and energy through diogas, floating cover manure and Digestion manure, with the latter still having an advantageous storage option.

This small system can also be used as fully biological for remote farmsteads Serving sewage treatment plant, saves the costs for sewage connection and can be used in the absence of electrical network connection as an energy substitute use.

This registration forms the supplement to the overall system mentioned above. Instead of the stirring system there, the simple hand pump is installed, which in the case of smaller fermentation tanks, the risk of excessive ventilation by motor pumps is eliminated and the possibility of introducing organic substances that are not easily pumpable offers.

1.6 The pressure piston is 25 ml away from the perforated lid 2 guide rings welded in, (approx. 25 mm wide and 12 mm high), behind which the Grip the two longer pressure wing grids @ in order to move the entire piston up to the to be able to press the lower stop at the end of the pipe.

When turning back by 90 °, the pressure vanes come back onto those of surfaces interrupted by the guide rings (from approx.

55 ° each), with which the way to push through to the end and thus the @ usoßun @ of all still adhering substances is given.

1.7 When pushing through the piston with the pressure grille, there is a persistence at the lowest point as long as necessary until the empty pressure pipe through the two overflow pipes has filled up to the liquid level. With this overflow the necessary low oxygen - air entry into the fermentation liquid takes place. It might be beneficial to do this several times a day, depending on Intensity of fermentation and introduction of air with the indented material.

1.8 Before pulling back the plunger, the handle with the Compression springs are turned back by 45 °, so that when you pull back very slowly the liquid can escape downwards through the 4 openings A-IV and B-B.

The top cube point of the piston and compression spring is the same Opening of the piston with pressure tube free for the introduction of organic substances.

2. Patent claim fermentation process according to claim 1, characterized by the possibility that the construction of these plants was largely industrialized Individual parts can be made.

The fermentation tanks are also expediently made of spun concrete rings or Rental formwork built one on top of the other. As an alternative to the bevel joint closure A concrete or iron cover can also be used with the immersion channel. Just these heavier cover designs are the necessary load for small systems for the desired gas pressure and still use lifting devices too can still be removed by hand.

Claims (5)

Claim of the additional patent application: "Small biogas plant 1. The fermentation process is carried out according to the reasons for the claims 1, 2, 4, 5 and 6 of the main application (r 27 11 146). This claim is characterized by attaching a wall pump to the main fermentation tank of such a small biogas plant Pressure pipe is built into the vertical container wall at an angle of approx. 45 °. Details can be seen from the drawings Fig. 1 and 2 of this additional application. This hand pump consists of industrially manufactured details that are assembled as follows: 1.1 The lifting rod is below screwed to the pressure grid sleeve and secured with a pin. 1. 2 The plunger with a length of 330 mm, open at the bottom, with a Cover provided, which is broken on 4 lines A-A and 3-3, is through his Circular opening pushed onto the lifting rod from above. 1. 3 The lifting rod with piston is then pushed into the pressure tube from above, The continuous groove in the piston is at the bottom of the continuous leather 1 got to. This spring guides the piston so that it is held in place, if it is not turned to lock. To reinforce the hold for the plunger, the same is given there is also a groove (indentation) at the upper 50 mm wide wall end, which the upper takes up short spring 2, the end of which is resiliently used as a holder. 1. The lid with its strong guide sleeve will do 4 on the Jub rod and fitted onto the pressure tube and with a slightly inclined 3ajonet lock attached to 2 screw pins. 1. 5 After the upper hand - T-handle is screwed onto the lifting rod and is fastened with a dowel pin, takes place after pulling up the pressure grille Lock the pressure grille with the lifting rod in the pressure piston up to the upper stop, by turning the handle by approx. 90 °, whereby the compression springs are interrupted Close the openings in the lid.