Water supply, domestic sewage separation and treatment for residential buildings, structures
SUBSTANCE: system comprises two discharge stacks, a treatment facility, a pump to supply treated water, a step-up pump. The first discharge stack is arranged as capable of draining black water and kitchen sewage water into municipal sewerage. The second discharge stack is arranged with the possibility of discharging other domestic waters into a treatment facility. The treatment facility is connected by means of pipelines via a pump to supply treated water with an accumulating tank. The accumulating tank is connected via a pipeline with a step-up pump. The step-up pump is arranged with the possibility of supplying treated water via at least one hydraulic accumulator into a return water manifold. The return water manifold is arranged with the possibility of supplying treated water into at least one flush tank of a toilet and to a system of internal fire fighting.
EFFECT: design will make it possible to reduce consumption of domestic water.
11 cl, 1 dwg
The invention relates to the field of water supply, water use, and separation and purification of domestic wastewater, in particular to sanitary-technical devices, buildings and structures with the use of recycled water, and can be used on objects of housing and communal purposes, mainly water supply and reuse of waste water for single and multi-storey residential buildings, cottages, office buildings, etc.
The prior art system of water supply and sanitation accommodations using recycled water containing the flow switch drain water from the bath and wash basin, a pump circulating water collecting tank circulating water valves hot and cold water, flush tank of the toilet, sewer outputs tubs and sinks connected to the input of the flow switch. The first output switch via a pump connected to the inlet collection tank circulating water, the second output switch flow of the drain water is connected to a common sewer pipeline. The output tank collection circulating water through the faucet off, the circulating water is connected to the input of the flush tank of the toilet. Located in the flow switch water level sensor is installed with the ability to control Nasonov automatic mode. Located in the collection tank circulating water level sensor is installed with the ability to disable the specified pump in any mode (EN 90087, 27.12.2009).
Known economical system of water supply of the building containing the first option the first pipeline input water connected, at least one sanitary unit. The second drain line connected with the inlet to the drain hole of the sanitary appliance. The storage tank waste water connected to the output of the second drain line. The third pipeline is designed for output of waste water from the storage tank waste water in sewers. The input of the fourth pipe connected to the outlet of the storage tank waste water, and its output is at least one drain the tank of the toilet. The pump is installed in the second pipe and is designed to supply the waste water in the storage tank waste water. The storage tank is placed above the flush tank of the toilet, and the second pipe and the fourth pipe made of a metal pipe, the inner surface of which is coated with a polymer. According to the second variant, the storage tank is placed below the flush tank of the toilet, and the pump is installed in the fourth pipeline (EN 49041, 10.11.2005).
The closest analogue of the claimed invention is the regeneration system of the water in the tub for the purpose of its use is isawanya toilets and watering gardens, including the pipe transfer water from the bath in tank cleaning, which is connected to a pumping device filter sterilization, after which water is stored in a storage tank, where through the device to maintain pressure on the line enters the tank toilets and sprinklers for irrigation (FR 2681354, 19.03.1993).
The disadvantage of these solutions is the impossibility of re-use of purified recycled water systems for internal fire, and there is no accumulation tank 30-60 m3that gives the opportunity to use water for any purposes (fire fighting, irrigation, irrigation) and emergency water node.
The challenge which seeks the proposed invention, is to establish a water system, separation and purification of domestic wastewater for residential buildings, which would exclude the disadvantages indicated above.
Technical result achieved in the implementation of this invention is to reduce the flow of wastewater through the use of purified recycled water for domestic fire sprinkler system and a free tank, saving of natural resources use of water in urban-type settlements from 10 to 18% of total turnover of the water.
This technical result is achieved in the system Woosnam is to be placed, separation and purification of domestic wastewater for residential buildings containing two sewer riser, the first of which is made with the possibility of diversion of sewage and wastewater cuisine in the city's sewer system, and the second made with the possibility of removal other household water treatment plant, United by pipeline through the pump to supply treated water storage capacity, connected by piping to booster pump configured to supply purified water through at least one hydraulic accumulator in the line of recycled water made with the possibility of supply of treated water in at least one drain tank the toilet and on the system of internal fire.
The first sewer riser connected to the city sewer through tank rupture stream.
The treatment plant is additionally connected through the overflow tank rupture jet and has a drain in the tank rupture jet for removal of sediment.
The treatment plant is an aerobic biological sewage treatment plant.
The system of internal fire is a door-to-door fire-extinguishing system and/or fire stair riser.
Door-to-door fire extinguishing system made in the form of fire riser, with carts, at least one Cabinet is Oronogo crane of each apartment building or structure.
Ladder fire riser has an inlet, at least one Cabinet fire plug at each stairwell of a building or structure.
Highway circulating water further comprises a release for refilling of fire and latrines machines.
The backbone of the circulating water supply pipe for supplying cold water.
The backbone of the circulating water is additionally connected to the water supply pipe for supplying cold water through the emergency water node.
Emergency water node with an electromagnetic drive.
The invention is illustrated in the drawing, which shows a General diagram of the system water, separation and purification of domestic wastewater for residential buildings, where
1 - second sewer riser;
2 - treatment plant;
3 - overflow;
4 - drainage for removal of sediment;
5 - pump for supply of treated water;
6 - cumulative capacity;
7 - booster pump;
8 - hydraulic accumulator;
9 - fire riser for door-to-door fire-fighting systems;
10 - fire stair riser;
11 edition for refilling of fire and latrines machines;
12 - emergency water gauge Assembly;
13 is a pipe for supplying cold water;
14 - tank rupture jet;
15 - urban sanitation;
16 - the first sewer pipe.
the system of water supply, separation and purification of domestic wastewater for residential buildings, structures includes first and second sewer mains, sewage treatment plant - aerobic biological treatment plant, overflow, drain for removal of sediment, a pump for supplying treated water, storage tank, booster pump, a hydraulic accumulator, fire riser for door-to-door fire-fighting systems, fire stair riser, edition for refilling of fire and latrines machines, emergency water gauge Assembly, tank rupture jet and connecting piping between all units of the claimed system.
The first sewer riser on the one hand is connected with the output (s) of fecal flow toilet (s) and output (s) of the flow of the kitchen (s) sink (sinks) for wastewater cuisine, and with the other hand to the input of the pipeline urban sewage through the tank rupture stream.
The second sewer riser on the one hand is connected with the output of the at least one pipeline runoff from sinks, baths, showers, Laundry (washing machines), etc. for removal of household water, and on the other hand to the input of aerobic biological treatment plant in which the entire cleaning business (domestic sewage consisting of a first zone settling and second aerobic biological zone. Purified water without color and smells is and satisfies regulatory requirements environmental and health services of Russia and can be reused for technical purposes for the system of internal fire, drain flushing toilets, refilling of fire and harvesting machines.
Aerobic biological treatment plant are connected through a pipeline with a pump for supplying treated water, which, in turn, connected through a pipeline with a cumulative capacity. Cumulative capacity (tank 30-60 m3to use water for any technical purpose: fire fighting, irrigation, irrigation) through a pipeline connected to a water pump, designed to increase the pressure in the main line of the circulating water and the feed water treated through at least one hydraulic accumulator in the line of the circulating water. Aerobic biological treatment plant can be connected through the overflow tank rupture jet and may be removed in tank rupture jet for removal of sediment.
The hydraulic accumulator has a capacity of up to 10 m3and maintains a constant water pressure in the main line of the circulating water.
The backbone of the circulating water is divided into smaller least two risers, one of which treated water enters the toilet tank, and the other in the system of internal fire. The backbone of the circulating water may further comprise a release for refilling of fire and latrines machines, as well as the backbone of the circulating water can be connected to the water supply pipe for supplying cold the water through the emergency water gauge Assembly with an electromagnetic drive.
The system of internal fire is a door-to-door fire-extinguishing system and/or fire stair riser. When this door-to-door fire extinguishing system made in the form of fire riser, with carts, at least one Cabinet fire plug each apartment buildings or structures. Cabinets fire plug flats are fixed on the walls, made of any building material. Cabinets fire crane apartments are mounted in a recess or on the wall of the apartment, using the mounting holes in the rear wall of the Cabinet and pressure plates on the lateral surfaces of the housing. Cabinets fire crane apartments can be in the form of boxes with hinged door fitted with a lock or latch. On the doors there is a place for a spare key, protected by glass. On the side walls of the case is made of perforated holes for attaching equipment fire valve to the riser for supplying purified water from the trunk of the circulating water. Cabinets fire crane is equipped with a remote turn on booster pump, fire valve, fire sleeve and barrel. Ladder fire riser has an inlet, at least one Cabinet fire plug on each staircase of a building or structure, which are made and equipped as well as cabinets fire crane apartments is.
Emergency water gauge site is intended for emergency water supply from the water supply (urban) pipe for supplying cold water in the toilet tank and the system of internal fire extinguishing in case of maintenance or failure of aerobic biological treatment facility.
Fecal waste from toilets and waste water dishes come in the first sewer riser, and then into the pipe in the sewers.
Water from sinks, baths, showers, washing, etc. are received in the second sewer riser, which feeds them into the aerobic biological sewage treatment plant, where the process of cleaning household (domestic sewage consisting of a first zone settling and second aerobic biological zone. Next, purified water via a pump to supply treated water enters the storage capacity. From the storage tank with booster pump purified water is supplied into the main circulating water, where it enters the drain tanks and the system of internal fire.
The claimed invention allows to increase the utilization of domestic wastewater and to provide the possibility of recycling of domestic wastewater for flushing toilet bowls, urinals and systems of internal fire.
1. The water supply system, sec the population and wastewater management for buildings, structures, characterized in that it contains two sewer riser, the first of which is made with the possibility of diversion of sewage and wastewater cuisine in the city's sewer system, and the second made with the possibility of removal other household water treatment plant, United by pipeline through the pump to supply treated water storage capacity, connected by piping to booster pump configured to supply purified water through at least one hydraulic accumulator in the line of recycled water made with the possibility of supply of treated water in at least one drain the tank of the toilet and on the system of internal fire.
2. The system according to claim 1, characterized in that the first sewer riser connected to the city sewer through tank rupture stream.
3. The system according to claim 1, characterized in that the treatment plant is additionally connected through the overflow tank rupture jet and has a drain in the tank rupture jet for removal of sediment.
4. The system according to claim 3, characterized in that the treatment plant is an aerobic biological sewage treatment plant.
5. The system according to claim 1, characterized in that the system of internal fire is a door-to-door fire-extinguishing system and/or listnin the th fire riser.
6. The system according to claim 5, characterized in that door-to-door fire extinguishing system made in the form of fire riser, with carts, at least one Cabinet fire plug of each apartment building or structure.
7. The system according to claim 5, characterized in that fire stair riser has an inlet, at least one Cabinet fire plug at each stairwell of a building or structure.
8. The system according to claim 1, characterized in that the backbone of the circulating water further comprises a release for refilling of fire and latrines machines.
9. The system according to claim 1, characterized in that the backbone of the circulating water supply pipe for supplying cold water.
10. The system according to claim 9, characterized in that the backbone of the circulating water is additionally connected to the water supply pipe for supplying cold water through the emergency water node.
11. The system of claim 10, characterized in that the emergency water node with an electromagnetic drive.
FIELD: engines and pumps.
SUBSTANCE: proposed device comprises circuit breaker, magnetic starter, two amplifiers, protective relay, step-down transformer, power supply, water upper and lower level pickups, "dry run" pickup, control relay, three inverters and JK-trigger., Protective relay coil is connected to output of first amplifier. Step-down transformer primary start is connected to circuit breaker output. Power supply is connected to one of step-down transformer secondaries to supply relay, amplifiers and logical elements. Water upper and lower level and "dry run " pickups have their one end connected to grounded start of step-down transformer another secondary. Third inverter is connected in series to output of extra AND circuit. K-trigger output is connected to upper level pickup and first input of AND circuit. J-trigger input is connected to AND circuit second input and second inverter output. Q-trigger output is connected to control relay second amplifier input.
EFFECT: reliable outage of downhole drive motor.
SUBSTANCE: system contains water distribution system including at least one water transportation pipeline and monitoring devices, storage capacity for supplied water, water discharge for supply of accumulated water to water consuming device, and control device. Pipeline includes electrically conducting element. Monitoring devices include generator connected to electrically conducting element, which is meant for generation of electric signal, and measuring unit for measurement at least of one electric parameter of electrically conducting element. Monitoring devices have the possibility of measuring electrical parameter of pipeline. Control device has the possibility of controlling the water supply to storage capacity and water discharge from it depending on the parameter measured with monitoring devices. Monitoring method of water distribution system connected to waste water device involves installation stages, at least one water transportation pipeline and installation of pipeline monitoring device, generation of electric signal by means of generator connected to electrically conducting element and measurement at least of one electrical parameter of electrically conducting element.
EFFECT: such design and procedure allow creating water distribution system in which the risk of connection of transportation pipeline of dirty water to transportation pipeline of potable water is reduced.
27 cl, 4 dwg
FIELD: engines and pumps.
SUBSTANCE: pumping system includes tower installed at water intake point and containing inner part and water-containing part located on it, outlet pipeline connecting water-containing part and the tank located on the shore and suction pipeline interconnected with inner part and passing from lower section of tower to water intake point and having the upward bent end with safety casing, and pumping unit installed in the tower. The unit pumps the water entering the inner part through suction pipeline to water-bearing part. The unit includes rotating shaft vertically installed in tower; rotor including screw pump, centrifugal pump located on it and rotor drive installed in the tower. Screw pump has inner housing with flotation cavity installed so that it can slide along the shaft on support bearing, and outer housing enveloping the inner housing and separated from it with the specified distance, and many blades installed between inner housing and outer housing and forming spiral pump channel. Centrifugal pump discharges in radial manner the water pumped with screw pump.
EFFECT: higher water pumping efficiency.
6 cl, 8 dwg
SUBSTANCE: invention relates to auxiliary railway car equipment. Proposed water supply system comprises water tank 1, water consumers 9, water tank filling appliances, water cleaner filter 2 with settler 3, and control appliances to control water tank filling and settler cleaning. Filling appliances consist of water filling tubes 16 arranged inside tank and provided with baffle 17 and overflow tube 15. Water filling tube bottom ends are equipped with shut-off valves 18 communicated with control board 14 and appliances 19 to connection to servicing station. Water cleaning filter 2 comprises hollow case accommodating intake chamber 4, discharge chamber 5 and filtration elements 6 arranged there between. Discharge chamber 5 of filter 2 has branch pipes 7 provided with controlled valves 10 communicated with control board 14. Clean water consumers 9 are connected by pipelines 8 to branch pipes 7. Settle sediment level pickups 21 and water tank water level pickups 13 are connected with control board.
EFFECT: higher quality of water and increased overhaul life.
3 cl, 1 dwg
SUBSTANCE: invention relates to railway transport, namely, to equipment of passenger cars. Railway passenger car water tank comprises housing 1 whereto filter 2 to remove solid particles and disinfection flow chamber 20 are connected. Inlet branch pipe of chamber 20 is connected via pipeline with last section of housing 13 while outlet branch pipe is connected with housing first section 12 whereon pump 23 is arranged. Housing is provided with initial water inlet branch pipe 3, disinfected water inlet branch pipe 4 and outlet 5 communicated with filter. Housing inner space is divided by some inclined perforated partitions 6 into compartments 7 elongated horizontally. Each of said partition is inclined toward perforations 8. Inner space of each compartment 7 is divided by plates 11 into sections. Partitions 6 and plates 11, and inner layer of housing walls and bottom are made from material with bactericidal properties.
EFFECT: higher quality of water, reduced area occupied by tank.
5 cl, 4 dwg
SUBSTANCE: device comprises facility to supply contaminated water, collection reservoir for coming contaminated water, accumulator tank for water storage, siphon accessory for water flow from collecting reservoir to accumulator tank, floodgate for supply of accumulated water to its consumer, sewage water discharge and control system. At the same time accumulator accessory to receive coming contaminated water is joined to pouring valve. Method of water siphoning consists of water supply into collecting reservoir, detection of availability of specified water level in collecting reservoir, actuation of pouring valve depending on determined water level and siphoning of water from collecting reservoir into accumulator tank.
EFFECT: reduced power inputs.
24 cl, 5 dwg
SUBSTANCE: water is supplied along individual discharge pipelines for each zone. At the same time water is supplied into specified pipelines from separate stages of a multi-stage centrifugal pump.
EFFECT: reduced quantity of used equipment, costs for its purchase, assembly, commissioning and operation.
SUBSTANCE: proposed method consists in that, initially, water feed system is made up of interconnected inclined and vertical pipelines. Lower end of vertical pipeline is installed in water reservoir to intake water and its upper end is connected with upper end of inclined pipeline. Length L of the latter exceeds height H of the former. Then pumps are used to fill inclined pipeline with water after its lower end shut-off valve is closed. inclined pipeline filled, water feed is cut off and aforesaid shut-off valve is opened, Inclined pipeline being connected with water distribution system.
EFFECT: expanded performances.
6 cl, 1 dwg
FIELD: engines and pumps.
SUBSTANCE: invention relates to devices intended for intake of fluids, in particular at railway transport. Filling station comprises housing (1) with intake and discharge branch pipes, closed by distribution assembly (19) from above, tie-rod aligned with stock (17) furnished with valve to connect/disconnect branch pipes, piston and reactive element. Aforesaid discharge branch pipe accommodates a switch furnished with casing and valve fastened to union that communicates switch casing with the chamber limited by reactive element. Elongated stock (17) has its top part staying in permanent contact with distribution assembly wall that limits the upper chamber.
EFFECT: stable operation.
6 cl, 5 dwg
FIELD: civil engineering.
SUBSTANCE: invention relates to field of construction of buildings and structures and can be used at stage of buildings construction in the capacity of systems, providing isolation of units of maintenance of systems of heating, cold and hot water supply in basements and pedimental rooms of erected buildings and structures, and to use usable area of structures by purpose. Separation method of insulating area of maintenance of systems of heating, cold and hot water supply in basements and pedimental rooms of building on stage of its construction, described by presence of distribution pipeline of heating, cold and hot water supply, located in pedimental or basements rooms of buildings, presence at the same floor that it is basements or pedimental room of erected building, isolated room for maintenance engineering services. Additionally on pipes of systems of heating, and also pipes of cold and hot water supply, located inside pedimental or basements rooms of buildings, sectionises, put bends and there are built distribution pipeline inside the isolated room, where it is put valves and/or sensors, and/or devices for calculation of water, and/or drains. Then distribution pipelines are taken out back into main pedimental or basements room up to laces of its main position, where there are put bends and taken away distribution pipelines in the direction, initially built, herewith input into isolated room is implemented independent.
EFFECT: isolation with minimal expenditures of usable area of maintenance units of distribution pipelines of heating, cold and hot water supply, and also providing of independent access to them of personnel for maintenance.
FIELD: containers, particularly vessels for containing pure water, liquefied gases, liquid fuel and other liquids.
SUBSTANCE: vessel comprises liquid inlet and outlet means, coaxial circulation support column having windows for liquid pouring from the vessel into column. Column is immersed in vessel bottom and defines a pit for pouring liquid out of the vessel. The windows are located in staggered order along the full column height and formed on outermost column side relative water inlet area of the vessel. Areas of window arrangement and number of windows are selected to prevent dead space forming in the vessel during water pouring out.
EFFECT: prevention of dead space forming in the vessel.
FIELD: reservoirs adapted to store water or sewage water or ones used as septic means.
SUBSTANCE: low-pressure reservoir is formed of plastics and is submersed in ground. Reservoir has at least one orifice to supply liquid into reservoir. Inner reservoir surface is shaped so that inner surface mate surface defined by rotating closed curve which rotates at constant level so that reservoir height is less than height of spherical reservoir having the same volume.
EFFECT: increased reservoir strength, improved ability of reservoir transformation and installation in-situ, simplified structure thereof and elimination of deep pit excavation for underground reservoir installation.
20 cl, 14 dwg
FIELD: methods or layout of installations for water supply, particularly for plants, which generate thermal energy and electric power with the use of solid fuel, prevention of natural water resource contamination with suspended solids and hazardous chemical compositions.
SUBSTANCE: system comprises sewage tank, runoff ditch, filtering dam, reagent preparation and supply station, floccule forming device, floccule distribution device, which distributes floccules over runoff ditch width, water deposit structure, sorption filter and water cleaning complex, which cleans water in winter period. Complex includes ground and sorption chambers and underground pipeline. Above components are arranged in series downstream the filtering dam and arranged below seasonal ground freezing level. Water deposit structure comprises primary and fine cleaning ground chambers. Bases of filtering dam, ground and sorption chambers and underground pipeline are on one level. Floccule forming device is made as multistage zigzag gutter.
EFFECT: increased operational efficiency and ecological safety, possibility to use ecologically clear natural materials for system construction.
FIELD: methods or layout of installations for water supply, particularly water supply devices using heat energy of water for alcohol production and public needs at alcohol production enterprise.
SUBSTANCE: water recycling system comprises at least one rectifying plant and reused water pipelines, which connect pumps, heat-exchangers and accumulation vessels one to another. At least one reused water pipeline is attached to at least one ejection device installed in point of at least one reused water pipeline connection with at least one accumulation vessel so that above ejection device may be directly linked to accumulation vessel and reused water pipeline may be connected to ejection device inlet. At least one active medium channel of at least one ejection device is communicated with active liquid, namely reused water. At least one passive medium channel of at least one ejection device is communicated with air. At least one section of above channel is arranged in natural water source and creates heat-exchanger with the water source.
EFFECT: increased cooling efficiency of water recycling system cooling, reduced additional power consumption and decreased water losses.
3 cl, 21 dwg
FIELD: water supply, particularly to control pumping station cooperating with water supply system.
SUBSTANCE: automatic control method involves regulating liquid pressure at pump inlet in accordance to daily schedule, wherein liquid pressure and flow rate at pump outlet are measured and hydraulic resistance of the system is determined as ratio between liquid pressure and liquid flow rate at pump outlet. If above hydraulic resistance at pump outlet exceeds predetermined value liquid pressure at pump outlet needs to be increased. If above hydraulic resistance at pump outlet is below predetermined value liquid pressure at pump outlet needs to be decreased to obtain predetermined value of liquid flow rate change degree at pump outlet.
EFFECT: increased efficiency of water supply system regulation at continuously varying consumer flow rate due to improved accuracy and reliability of the system.
FIELD: engineering of water-supply systems, in particular, systems for automated provision of drinking water to individual clients in residential buildings, administrative buildings and other types of premises.
SUBSTANCE: in accordance water-supply method, accumulating vessels of users, connected to water-supply system, are forcedly filled with water. Water is delivered in mobile tank. Prior to pouring water, supplier code is used to open lock of hatch positioned at inlet of water-supply system, and mobile tank is connected thereto. When filling accumulating vessels, volume of water consumed by each client is measured. After filling vessels with water, mobile tank is disconnected and its pouring section is sealed. Water-supplying system has pouring pipeline 1, connected to accumulating vessels 5 by means of conductive pipelines 2 with valves 6 and water flow meters 7, transfer head pieces 3 and flexible pipelines 4. Vessels 5 are provided with draining taps 8, inlet valves 9 and water level indicators 10. water-supply system also contains mobile pouring tank 18 with flexible pipeline 17 and local control panel for pouring water, where inlet of pouring pipeline 1 with socket 12 at its end and code lock 13 is positioned, and a plug and socket joint 14 for connecting portable microprocessor device 15 for collecting and processing information about volume of consumed water.
EFFECT: provision of automated pouring of pure drinking water of guaranteed quality to individual accumulating vessels, mounted stationary at client side, provision of water accumulation when client is absent and automatic measuring of consumed water flow for each client.
2 cl, 1 dwg
FIELD: water supply systems.
SUBSTANCE: invention can be used at farms, household plots, water supply of cottages and farm settlements. Proposed station is made in form of container in which control system and variable-capacity frequency-controlled submersible electric pump are mounted. Pumping station includes deferrizator, water softener, bactericidal set, lighting unit and light. Microclimate control unit connected with heater and fan and intake-and-distributing device. Coarse filter is installed on supply pipeline. Fine filter and pressure transmitter connected with input of control system are installed on outlet branch pipe of pressure pipeline. Control system contains frequency converter and it is connected by output with electric pump, and by input, with intake-and-distributing device whose outputs are connected with inputs of heating and ventilating unit, microclimate control and lighting unit and also with bactericidal set, water softener, water deferrizator and coarse and fine filters. Invention provides possibility of lifting water from well by frequency-controlled submersible electric pump of variable capacity, provide straight-flow water supply, conform water supply with consumption, provide conformity of lifted water characteristics to requirements of State Standard and protect electric pump from emergencies.
EFFECT: improved operation reliability.
SUBSTANCE: invention is attributed to the sphere of food storage, including potable water and concerns storage tanks of such products. Storage tank for liquid products including portable water incorporates vertical body designed for installation "into ground" and consisting of cylindrical section made of non-metallic material, the said cylindrical section being supported by stiffening members, and fastened to cylindrical section of cover with flanging, and flat outside bottom. Storage tank is made to be installed both above-ground and "into ground". Cylindrical section, cover and bottom of storage tank body are made as multilayer structure of reeled or molded, solid or containing filler layers of composite materials based on fiber reinforcement material and plastic binder. Cylindrical section is made of the saidreeled layers and cover and bottom the said of molded layers, stiffening members of cylindrical section are made as ribs, cylindrical section, cover and bottom are made of constant or variable cross-section. Ribs are located on cylindrical section, either inside and outside or only outside, with constant or variable pitch relative to each other, cylindrical section with ribs, cover with access door made therein and bottom flat or raised from inside with stiffening ribs made thereon each constituting integral unit.
EFFECT: improvement of operating reliability of storage tank due to improved durability, rigidity thereof as well as widening of operational capability..
21 cl, 3 dwg
SUBSTANCE: invention is related to the field of heat and water supply of industrial and housing objects. Method for control of water supply pump electric motor consists in the fact that water head is measured at the pump outlet, measured head is compared to specified value, and deviation of measured head from specified value is minimised by influence at frequency of pump electric motor rotation. At that water flow is measured, and specified head value is formed as sum of minimum head and variable component that is in direct dependence from measured water flow.
EFFECT: saving of electric power consumed by pump electric drive by reduction of its wasteful consumption with preservation of comfortable water use conditions.
3 cl, 4 dwg
SUBSTANCE: invention pertains to water supply. Method of water supply consists in supply of drinking water to individual consumers connected to the water supply system of the settlement through main lines and transferring lines of water - supply and further through house inlets and street water intakes. At least one additional over flow pipe equipped with stationary water treatment unit making water of guarantied quality with one hydrant or batcher is arranged in the transferring line parallel to the house inlet or street water intakes, drinking water is dispensed into individual vessels. Water supply system contains water intake plant, first lifting pump station, water treatment plants, reservoir for clean water, second lifting pump station, water ducts, water supply consisting of main and transferring lines, house inlets and street intakes.
EFFECT: increased simplicity and reliability of the invention.
8 cl, 2 dwg