DE2059317A1 - Plant for the conveyance and disposal of domestic and commercial waste water - Google Patents

Description

Guss- und Armaturwerk Kaiserslautern Ifachf. Karl Bill and

675 Kaiserslautern, Pirmasenser Strasse 140

Plant for the extraction and disposal of domestic and commercial sewage

The invention relates to a system for conveying and disposal of domestic and commercial wastewater.

The steadily increasing degree of pollution of domestic and industrial wastewater forces special considerations in the structural design of wastewater lifting systems. Of course, these must meet the highest standards, also "with the loads that occur today, fully sufficient in the foreground. From this point of view, with more or less great expenditure on production means and material wastewater lifting plants that fully meet these requirements. Their use was limited to price reasons so far only on exceptional needs. These include department stores, hospitals,

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public buildings, schools, apartment buildings, etc.

Recently, however, a more stringent application of the laws to keep water bodies clean has become generally recognizable, which urges the development of smaller lifting systems that also work according to the separation system and that can also be set up in small residential units, for example can. Such systems are characterized by significantly smaller dimensions and a more affordable price design the end. Special features are also inlet heights up to to 5OO mm. Without having to make structural changes, the subsequent installation of these small systems should be possible in an existing installation room. The all-: On the other hand, sewage technology is not reluctant to see a common recognizable trend towards small wastewater lifting plants. Small wastewater collecting tanks also generally guarantee a short residence time for the wastewater. From the Clarification technology is the term of "overturning" within a canal flow path known to be an unpleasant phenomenon. This process is primarily caused by rotten wastewater, which, for example, by a Too long storage time as a result of a storage container that is too large can be triggered. Unpleasant odor nuisances are side effects of this process, which is perceived as extremely annoying, especially in residential areas will. ... / 3

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The application relates to such a wastewater lifting plant that works according to the separation system. The small dimensions However, these systems require, in contrast to the previously usual shape, special considerations and Constructive investigations regarding the inlet, the filling funnel, the rinsing container, the pressure pipe connection and the connection of all internal parts to the waste water collecting tank.

The invention has for its object to provide a after To create a sewage lifting plant that works as a separation system, which meets the requirements specified above, and which can be easily integrated into existing collecting containers Can be used without significant assembly effort with easier Manufacturing method.

This object is achieved in that the .Druckrohreinlauf on the rinsing container directly or in the immediate vicinity of the higher connection flange to the filling funnel begins, runs straight or curved upwards at a certain inclination to the center perpendicular and it forms a fluidically favorable inlet radius with the bottom of the washing compartment.

Further features of the invention emerge from the sub-claims. ... / 4-

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The fully automatic wastewater lifting plant according to the invention, which works according to the separation system, is characterized in particular by the fact that its circulating pump is only non-polluting Wastewater promotes. Clogging is therefore impossible. With regard to the formation of the enema, the Filling funnel with overflow device, the rinsing container, the pressure pipe connection and the connection of all It requires internal parts with the waste water collecting tank essential undecided advantages.

The accompanying drawing shows an example embodiment of the invention, and it means:

Fig. 1 Section through the sewage lifting system, Fig. 2 Top view of the collecting tank and

Fig. 3 partial representation in section of the overflow rake.

The sewage lifting unit works as follows:

The wastewater flows from the tangential inlet 14- through the Filling funnel 8 into the rinsing container 5> from here via the Rinsing jet orifice 6 provided with a rake flap

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through the pump housing and the suction port of the rotors pump 2 into the collection container 1. The bulky contaminants Currents that are contained in the wastewater are held back by the bucket flap on the rinsing jet orifice 6. If the liquid level in the collecting tank rises at the same time 1 and rinses) it holds 5 the float (ball and flap) 29 against the seat on the hopper 8 pressed. The liquid of the waste water that continues to accumulate now passes through the wall 16 in the concentric wall of the hopper 8 located Sch'lit ^ 18 of the overflow rake 15 in the collecting container 1 and fills it up to the intended switch-on level. When the hopper is full 8 can also contain the liquid content of the waste water via a gap 25 'on all sides, through the penetration an annular boundary 24 is formed in the open-topped side of the hopper 8, in the collecting container 1 flow out. The bulky substances contained in the wastewater initially remain in the filling funnel 8. Is the existing one The switch-on level in the collecting tank 1 is reached, the centrifugal pump 2 switches on automatically. That. in the collecting container 1 mechanically pre-cleaned wastewater is now covered with a flap and now free & e Rinsing jet orifice 6 in the rinsing container 5 and finally conveyed through the pressure line into the sewer.

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All of the bulky substances accumulated in the washing compartment 5 are thereby removed from the powerful, unborn rinsing jet 6a carried away. Since the pressure pipe connection 4 directly or in in the immediate vicinity of the higher connection f1anse s 7 begins, no floating matter can remain in the washing container 5 during the conveying process. Of the Float (ball or flap) 29 closes the rinsing container 5 against the during the entire conveying process Hopper 8 from. After switching off the pump 2, the float 29 sinks downwards. The 8 Any bulky substances that have accumulated are now transferred to the lower-lying rinsing container 5 · Repeatedly with further sewage inflow the process described above.

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Claims (1)

Expectations 1. Plant for the extraction and disposal of domestic and commercial Wastewater, consisting of / from a collecting tank, centrifugal pump and separation device, characterized in that the pressure pipe infeed (4) on the rinsing container (5) directly or in the immediate vicinity of the higher-lying connection flange (7) to the filling funnel (8) begins to run straight or in a curve upwards at a certain inclination to the center perpendicular and forms an inlet radius (9) which is favorable in terms of flow technology with the bottom of the washing compartment (5). 2.Anlage according to claim 1, characterized in that the Rinsing jet (6a) emerging from the pump without branching a partial jet enters the rinsing container (5) and the pressure pipe connection (4) so that the full, unbroken Rinsing jet (6a) is available for the conveying process in order to increase the efficiency. 3 · Plant according to claim 1 and 2, characterized in that in the case of filling hoppers (8) with tangential inlet (14) of the Overflow rake (15) in the concentric wall (16) of the 209834/0140 breaker (8) from a Vi el ζ aiii of vertical, straight lines or curved ribs (17), the seat-like Form flow channels of elongated shape (13). ^J l ·. Plant according to claims 1 to 3, characterized in that the slots (18) in the overflow rake (15)> in relation to the flow level of the tangentially inflowing wastewater (14a), a position (19) directed opposite to the flow on iron, wherein the incoming wastewater simultaneously cleans the leading edges (20) of the rake (15). 5- Plant according to claim 1 to 4, characterized in that depending on the size of the planting of the inlet funnel (8) Overflow rake (15) in several layers (21) in a corresponding one Recess (22) in the concentric filling funnel wall (16) can be used. 6. Plant according to claim 1 to 5 »characterized in that the single and multi-layer overflow rake (15-21), used as a grating, made of any suitable material consists. 7 · Plant according to claim 1 to 6, characterized in that the vertical, through-slits forming entry ^ - edges (20) of the overflow rake (15) practically end in the circumference (23) of the hopper (8), so that the flow 209834/0140 of the tangentially flowing sewage (14-a) no refraction learns. 8. Plant according to claim 1 to 7> characterized in that in the top open side of the hopper (8) a vertical, downwardly directed annular boundary wall (24 engaging with the inner wall of the hopper or üinlaufkastens forms a hanging gap (25) through which the Wastewater can escape when the filling funnel (3) is full. 9. Plant according to claim 1 to 8, characterized in that all of the internal parts can be used fully assembled in the collecting container (1), with one on the bottom of the Collecting container (1) welded saddle piece (26) as a stop for a nose-shaped projection (27) on the The underside of the rinsing container (5) is used. 10. Plant according to claim 1 to 9? characterized in that the internal parts of the wastewater lifting system (1, 3)> including the centrifugal pump (2), through one only on one side of the waste collecting tank (1) arranged and adjustable pressure screw (28) can be clearly fixed. 11. Plant according to claim 1 "to 10, characterized in that the S-.hwimmkörper (29) by another closing element, ... / 10 209834/0140 - ίο - e.g. flap between the filling funnel (8) and the flushing container (5) is replaceable. Patent attorneys Seiler and Pfenning 20983A / 0U0