FI77289C - Device for draining a cart. - Google Patents

Description

77289

SWAMP DRAINAGE DEVICE - ANORDNING FÖR DRÄNERING (UI ETT KÄRR

The invention relates to a device for drainage for cultivation, peat production and forest improvement swamps, which device comprises a lifting device (G) and a drainage screw (L) attached to its lower end.

5 The efficient use of the agricultural and peat production sector requires an increase in the useful area through drainage. The rapid introduction of salt marshes requires frequent drainage. Dense open drainage becomes costly and reduces the useful area. Drainage using traditional pipes becomes costly. It has been found that conventional drainage arrangements do not meet today's and future requirements in terms of efficiency, flexibility, drying rate and cost when it comes to drainage. It has not been possible to promote the rapid introduction of bogs with current equipment and methods.

The invention, which includes a completely new method of preparing a drainage, eliminates the above-mentioned disadvantages and obstacles in the drainage of bogs. DE 467988 and 613991 disclose devices for lifting above-ground soil. The equipment includes, among other things, a lifting device, to the lower 20 ends of which a cutter detachable from the soil is connected. The method according to the invention is characterized in that peat is removed from inside the bog and replaced by a drop-shaped hole in cross section. The hole acts as a drain - no separate drain pipe is installed. Due to the properties of the peat, the size and shape of the hole, the drain 25 retains its shape and ability to function. The density of ditches does not limit the use of the ditched area. The density of the ditches allows for rapid drying.

The device according to the invention is characterized in that the drain screw consists of a tip drill, a discharge part and a milling part. The 3Q removes peat from the swamp, leaving a drop-shaped hole in its place.

The invention is described in connection with the accompanying drawings:

Fig. 1 shows a cross-sectional drawing of a drain made by the device Fig. 2 shows the operation of the drainage made by the device Fig. 3 shows the invented device 2 77289

With the device according to the invention, the cross-section of the drain is shown in Figure 1. The tube is formed by a drop-shaped hole S. The shape of the hole is essential for strength. When the bog dries and sinks, the hole does not collapse, leaving room for any peat lumps. The drop-shaped hole best withstands the pressures present in the 5 bogs. The peat lifted from the hole S passes through a groove K made by a lifting device, a chain or a screw on the vessel surface P.

The peat in the hole S and the groove K forms the raised peat mass N. The reference mark T describes the path of peat in the device from the inside of the bog to its surface. Reference numeral H indicates the closure of an oblique hoisting groove due to traction and / or movement in the swamp.

The operation of the drainage with the device is shown in Figure 2. Due to the density of the drainage and the oblique lifting groove, the proportion of water rising capillary is limited to part A. The groundwater level is marked with the reference mark B in the case of drainage-drained bog. The drains 15 can be driven to the desired depth on the machine with almost no cost change and thus the groundwater level can be adjusted to suit the purpose. The drainage is carried out with the device according to Figure 3. The device consists of a lifting device, a chain or a screw G and a drain screw L. The lifting device G makes the lifting groove K shown in Fig. 1. The direction of advance of the device in the bog is F. The trench screw L is rising in the forward direction.

The screw tip E opens a hole in the swamp. This hole and the lifting groove join the possible access of the peat protruding from the ditch screw to the lifting device.

. . The arrows marked T denote the flow of the peat to be removed; direction of travel. The actual milling of the drain is performed by the conical part Γ0 of the screw, which screws the peat to the part D, from which the peat is ejected by the central exhaust force and ensures the incoming pressure to the lifting device G. The part ΙΌ is conical and the wings are tilted forward. In part D, the blades of the screw are tilted backwards to increase the discharge pressure. The drain plug with lifting device can be raised and lowered in the height direction. The inclination of the lifting device can be adjusted. What is new and excellent about this device is that it removes peat from the swamp, leaving a drop-shaped drain in the swamp.

Claims (6)

77289 3 A drainage device for cultivation, peat production and forest improvement drainage in bogs, the device comprising a lifting device (G) and a drain screw (L) attached to its lower end, characterized in that the drain screw (L) consists of a tip drill (E), a discharge part (D) and a milling part (M). Device according to Claim 1, characterized in that the tip drill (E) runs in front of the lifting device (G) and the milling part (M) behind the lifting device (G). Device according to Claim 1, characterized in that the drain plug (1) is inclined upwards with respect to the direction of travel (F). Device according to Claim 1, characterized in that the milling part (M) is conical. Device according to Claim 1, characterized in that the blades of the milling part (ΙΊ) are inclined forward. Device according to Claim 1, characterized in that the screw wings of the disassembly part (D) are inclined backwards.