Mechanical pre-treatment
- Self-cleaning screen - SCC
- Self-cleaning coarse screen SCC-H
- Self-cleaning screen with integrated press - SCCLS
- Mechanical mini screen - SC-mini
- Hand skimmed screen - CR
- Mechanical fine screen - SCJ
- Skimmed cylinder strainer - SVS
- Skimmed cylinder strainer with integrated press - SVSLS
- Type IHP
- Type IHPES
- Type IHPE
1. Self-cleaning screens - SCC
Self-cleaning screen is an universal separator of insoluble solids from fluids. Usually it is installed in the entry object of mechanical pre-treatment. The advantage of this device is the filtration belt self-cleaning effect and the fact that it can be used in deep canals.
| Specifications | |
| Rate of flow: Q | 5 ÷ 1700 l.s-1 (6120m3h-1) |
| Canal width: | 350 ÷ 2000 mm |
| Canal depth: | 450 ÷ 8000 mm |
| Slot width: | 1, 3, 6, 10, 15 mm |
| Power input: | 0,12 ÷ 0,75 kW |
| Frame slope: a | 60, 70, 75, 80, 85, 90° |
| Other parameter ranges need to be consulted with the manufacturer. | |
2. Self-cleaning coarse screen - SCC-H, SCC-HG
Self-cleaning coarse screen are intended for WWTP pre-treatment structures, for collecting and removing floating and drifted coarse coarse screenings (rags, wood, organic waste) from incoming wastewater. They shall be installed behind the gravel trap, before grit chamber or mechanical fine screen.
| Specifications | |
| Rate of flow: Q | up to 5000 l.s-1 |
| Channel width B: | 500 ÷ 2000 mm |
| Channel depth H: | 600 ÷ 7000 mm |
| Slot width: | 20 ÷ 100 mm (at 5 mm) |
| Power input: | 0,18 ÷ 1,5 kW, 400 V / 50 Hz |
| Frame slope: a | 60 ÷ 90° |
| Other parameter ranges need to be consulted with the manufacturer. | |
3. Self-cleaning screens with integrated press - SCCLS
Self-cleaning screen with integrated press is a compact device consisting of two proven products - self-cleaning screen and a small press for screenings. It's function is to collect, separate, partly wash and press screenings. The device is intended especially for small WWTPs with a capacity of up to 1000 PE, for channels 400, 500 and 600 mm wide and deep as required.
| Specifications | |
| Rate of flow: Q | 0 ÷ 100 l.s-1 |
| Quantity transported: | 1,5 m3.h-1 |
| Diameter of conveyor screw: | 200 mm |
| Supplementary water for washing of screenings: | 0,8 l.s-1 at 0,5 MPa - in cycles |
| Power input: | 1,8 kW, 400 V / 50 Hz |
| Power input of heating: | 500 ÷ 800 W, 230 V / 50 Hz |
| Other parameter ranges need to be consulted with the manufacturer. | |
4. Mechanical mini screens - SC-mini
The simple device enables replacement of the manual screen that is used esspecialy in small wastewater treatment plants, or in the bypass channels. The screen construction can be adjusted to existing conditions. SC-mini are suitable for villages or town parts where they may be installed instead of more complicated and expensive mechanical screens. They are relatively cheap, with a simple construction and do not require water supply.
| Specification | |
| Canal width: B | 300, 400, 500 mm |
| Canal depth: H | 300 ÷ 1000 mm |
| Slot width: e | 8 ÷ 15 mm |
| Screening discharge heigh: Vo | 250, 350 mm |
| Frame slope: a | 70° |
| Power input: | 0,37 kW, 400 V / 50 Hz |
| Other parameter ranges need to be consulted with the manufacturer. | |
5. Hand skimmed screens - CR
Hand skimmed screen consists of bar grating that is mounted in an open canal and forms an obstacle for floating and drifting solid objects. The caught screenings are removed by a hand rake. The device is suitable for waste water treatment plants where it is mounted in by-pass canals and floodways or before fine machine skimmed screens.
| Specification | |
| Canal width: B | 400 ÷ 2000 mm |
| Canal depth: H | 500 ÷ 3000 mm |
| Slot width: e | 15, 20, 30, 60, 100 mm |
| Screen slope: a | 35 ÷ 60° |
| Other parameter ranges need to be consulted with the manufacturer. | |
6. Mechanical fine screen - SCJ
Mechanical fine screens represent a product intended for the mechanical pre-treatment of wastewater. They are to be installed in a WWTP inlet structure. Usual application sites include power stations, heating plants and other energy plants, where they are installed behind coarse screen.
| Specification | |
| Channel width: B | 500 ÷ 3000 mm |
| Channel depth: H | 500 ÷ 9000 mm |
| Chute height: Vo | 15, 20, 30, 60, 100 mm |
| Slot width: e | 0,75 ÷ 10 mm |
| Level height: h | 500 ÷ 5000 mm |
| Screen slope: a | 75° |
| Drive input power: | 0,18 - 1,5 kW / 400 V / 50 Hz |
| Heating: | 420 - 2000 W / 230 V / 50 Hz |
| Pressure loss: h | depends on e |
| Material: a | a) stainless steel + plastics |
|
b) combination of galvanized carbon steel and stainless steel components + plastics |
|
| Other parameter ranges need to be consulted with the manufacturer. | |
7. Skimmed cylinder strainer - SVS
Skimmed cylinder strainer is a device designed for continuous separation of larger indissoluble particles from waste water of various kinds. Filtration is ensured by a strainer with apertures of different shapes (circular, longitudinal or square).
| Specification | |
| Rate of flow: Q | 0,5 ÷ 20 l.s-1 |
| Aperture size: | 1,2 ÷ 5 mm (according to requirements) |
| Brush power input: | 0,18 kW / 380V (400V) / 50Hz |
| Operating conditions: | a) indoor |
|
b) outdoor for temperatures ranging from - 20 to + 50 °C with heating unit of 0,4 to 0,7 kW / 230V / 50 Hz |
|
| Other parameter ranges need to be consulted with the manufacturer. | |
8. Skimmed cylinder strainer with integrated press- SVSLS
The skimmed cylinder strainer with integrated press (SVSLS) is equipment for a continual separation of suspended solids (up to 60 mm) from various type of wastewater. The filtering element is perforated sheet metal with circle openings or a slot sieve.
| Specification | |
| Rate of flow: Q | 0,5 ÷ 20 l.s-1 |
| Aperture size: | 1,2 ÷ 5 mm (according to requirements) |
| Brush power input: | 0,18 kW / 400 V / 50 Hz |
| Press worm input: | 0,37 kW, 400 V / 50 Hz |
| Screening reduction: | ~ 50 % |
| Working environment: | a) indoor |
|
b) outdoor for temperatures ranging from - 20 to + 50 °C with heating unit of 0,4 to 0,7 kW/ 230V/ 50 Hz |
|
| Other parameter ranges need to be consulted with the manufacturer. | |
9. Integrated coarse pre-treatment - IHP
Integrated coarse pre-treatment consists of a steel container with a set of devices placed inside that extracts screenings and grit from waste water. The unit can be used in waste water treatment plants where it can substitute a sequence of devices such as screen, screenings press, grit chamber, grit separator and possibly fat skimmer
| Specification | ||
| Rate of flow Q: | 20, 25, 30, 40, 50, 75, 100, 125, 150, 175, 200 l.s-1 | |
| Supplementary water for washing of screenings: | 0,8 l.s-1 at 0,5 MPa - in intervals | |
| Slot width: | 3 - 6 mm | |
| Power inputs: | self-cleaning screen - SCC | 0,12 ÷ 0,25kW; 400V |
| screenings press - LSP | 1,5 kW, 400 V | |
| electromagnetic valves | 2 x 34VA; 230 V | |
| separator and screw conveyor | 2 x 0,75 kW, 400 V | |
| collection of fats | 350 W, 230 V | |
| transport of fats | 0,55 kW, 400 V | |
| heating (option) | 3,5 ÷ 6 kW; 230 V | |
| Operating conditions: | indoor in a building | |
| outdoor up to -20 °C with heating unit | ||
| Operating cycle: | the frequency and time of operation of individual | |
| devices can be adjusted by a control switchboard | ||
| Dimensions: | L = 4800 ÷ 9100, B = 550 ÷ 1000, | |
| V = 3200 ÷ 4000 mm according to device size | ||
| Material: | mainly stainless steel, plastics, rubber | |
| Other parameter ranges need to be consulted with the manufacturer. | ||
10. Integrated coarse pre-treatment ECONOMY - intermediate - IHPES
IHPES is a low-cost design of the IHP. The IHPES consists of a self-cleaning screen (SCC), screw press for screenings with washing (LSP) and grit separator (SP).
| Specifications | |
| Rate of flow: Q | 10, 15, 20, 25 l.s-1 |
| Screen slot size: e | 3 or 6 mm |
| Dewatering rate: | ~ 50 % |
| Power input: | 1,6 ÷ 2,5 kW, 400 V / 50 Hz |
|
Solenoid valve: 1x 6/4" (vnit�n� z�vit) + 2x 3/4" |
1x 60 VA, 2x 30 VA |
| Heating unit: | 3 ÷ 5 kW / 230 V |
|
Wash water in intervals Total water consumption |
3 ÷ 5 l.s-1, 0,3 ÷ 0,6 MPa 2,5 ÷ 6 m3.h-1 |
| Water for press: | 0,8 l.s-1 in intervals (5 min/hr) |
| Operating conditions: | indoor - in building |
| outdoor - do -20°C with heating | |
| Other parameter ranges need to be consulted with the manufacturer. | |
11. Integrated coarse pre-treatment ECONOMY - IHPE
Integrated coarse pre-treatment ECONOMY is a combination of a skimmed cylinder strainer (SVS) and a grit separator (SP). It ensures an economical and simple solution for trapping of screenings and grit separation from waste water. This system is designed for low-capacity waste water treatment plants (including industrial applications) with a rate of flow up to 10 ls-1 (800 m3 per day).
| Specification | |
| Rate of flow: Q | 3, 5, 7, 10 l.s-1 |
| Supplementary wash water | 1 l.s-1; 0,3 MPa - in intervals |
| (only for demand):: | |
| Aperture size: | 3, 5 mm |
| Operation cycle: | SP operation cycle can be adjusted |
| by a control switchboard | |
| Power inputs: | SVS drive - 0,18 kW/ 400 V/ 50 Hz |
| SP screw - 0,75 kW/ 400 V/ 50 Hz | |
| solenoid valve (for demand) - 34 VA/ 230 V | |
| heating unit (option) - 2100 W/ 220 V | |
| Operating conditions: | indoor - in a building |
| outdoor - up to -20°C with heating unit | |
| Material: | stainless stee |
| Other parameter ranges need to be consulted with the manufacturer. | |
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