SU1386572A2 - Purification installation for waste water after washing motor vehicles and buses - Google Patents

Description

(61) 1212956

(21) 4086493 / 23-26

(22) 07/04/86.

(46) 04/07/88. Bul № 13

(71) Design Bureau of Kuibyshev Territorial Association of Kuibptsevavtotrans

(72) V.V.Popov, V.F.Volkov and D.I.Kor bkin

(53) 628.334 (088.8)

(56) USSR Author's Certificate No. 1212956, cl. From 01 F 1/00, 1986.

(54) TREATMENT FACILITIES FOR WASTE WATER FROM CAR WASH AND BUSES

(57) The invention relates to sewage treatment plants and can be used in road transport enterprises for cleaning and reusing wastewater from washing cars and buses (in wet, rocky, etc. soil) with a capacity of up to 30, with a degree of cleaning drains up to 3-6 mg / l of petroleum products, up to 10-15 mg / l for suspended particles. The purpose of the invention is to increase the reliability of the treatment plant and eliminate the need to use a special grease pump. The wastewater treatment plant from car and bus washing contains a washing machine, a vortex sump with built-in movable valve and a pneumatic exhaust system, an underground sewage collection tank, a pump, a sump extinguisher equipped with a pneumatic exhaust device (UE) with built-in movable valve, connected to a settling tank, a first-stage settling tank with a UE, a second settling tank with a UE, an oil-trap connected to the tank for collecting oil products, a compressor for compressed air in the UE, first-stage filter with floating loading made of polypropylene, second-stage filter, recessed pure water tank, pump supplying clean water to the washing machine's comb, exhaust pipe connecting U11 with the waste bunker, transport self-propelled device, pipeline, which drains dirt from the bunker of waste and from the filter of the first stage into the vortex sump during filter regeneration, air ducts supplying compressed air from the compressor with UE, gearboxes with shaft attached to its lower end UE, datchmk movable pressure valve. 1 il.

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The invention relates to the field of wastewater treatment plants, can be used in road transport enterprises for cleaning and reuse of wastewater from washing cars and buses (in areas of wet rock, etc.) with a capacity of up to 30 m / h, with a degree of cleaning effluents up to 3-6 mg / l nefteproduktov, up to 10-15 mg / l for suspended particles, and is an improvement of the known construction by the author. St. No. 1212956.

The purpose of the invention is to increase the reliability of the treatment plant and eliminate the need to use a special mud pump.

The drawing shows the structure of the treatment plant.

The device comprises a washing machine 1, a ditch 2, a pipe 3 of the source effluent, a vortex sump 4 with a device 5 for pneumatic exhaustion of sewage sludge, an underground sewage receiving tank 6, a pump 7 for pumping sewage from the receiving tank to the sump-damper 8, fitted at the bottom a conical part with a pneumatic exhaust device 9 with an integrated movable valve 10, connected to a settling basin-extinguisher 8 by a pipe 11 a settling basin of the first stage 12 with a pneumatic exhaust device, a pipe 13 for connecting to the settling tank of the second meters of pneumatic exhaust), an oil tank trap 15 connected to a tank 16 for collecting oil products, supporting port 17 for installing settling tanks, a compressor 18 for supplying compressed air to devices 5 and 9 of pneumatic exhaust pipe 19, a pump 20 connected to the inlet 21 with a valve, a first stage filter 22 with a floating load of polypropylene, a pipe 23 connecting the second stage filter 24, designed for fine purification of oil and gas effluent, with filter 22, connected to the filter tray 24 with a pipe 25 recessed p Clean water tank 26, piping 27, pump 28, piping 29 supplying clean water to the comb 30 of the washing machine, high-drained grease pipes 31, connecting to a pneumatic exhaust device with a bunker 32 of grease waste, transport self-propelled device 33 (such as dump trucks ), pipe 34, which drains dirt from the bunker of waste and from filter 22 to the vortex sump during filter regeneration, pipe 35, air ducts 36, supplying compressed air from the compressor to pneumatic exhaust devices, gear 37 with shaft 38 sec. at its lower end of the movable valve of the pneumatic exhaust device, the sensor 39 pressure.

Wastewater treatment plant for wastewater from washing cars and buses works as follows.

A car or a bus enters the washing ditch 2, the washing machine 1 is turned on. With water coming from the comb 30, soils from the car are drained into the washing ditch 2. Then through the grate with a cell of 5x5 mm the waste water flows by gravity through the pipe 3 into the vortex sump 4, while, due to the presence of partitions in the settling basin, a flow turbulence is created, which contributes to the deposition of suspended particles into the reservoir of the pneumatic discharge device of the sludge. Water from the vortex sump 4 is fed by gravity into the underground receiving tank 6. From the latter, waste water is pumped by pump 7 into the sump-absorber 8. Through pipe 11, the averaged water flows by gravity into the vertical sump 12 of the first stage. The water is settled and after filling the settling tank 12 to a predetermined level, it is poured over the pipe 13 into the settling basin 14 of the second stage. Accumulated drains in the pneumatic exhaust device 5 on command from the pressure sensor 39 are periodically discharged through the pipe 31 into a bun. Ker 32 gr. Fresh particles of oils and petroleum products accumulate in the upper part of the sump 14 before the partition and periodically when the upper level is reached through the oil trap 13 are discharged into the tank 16. When the water reaches the upper level from the sensor (not shown), the pump 20 is automatically turned on and the settled water from the sump 14 is pumped through inlet 21 to the filter 22 with a floating load of polypropylene for its further purification from suspensions

Water passed through the filter 22, flows through the pipe 23 into the filter 24 of the second stage. Having passed the purification of oil and oil products, the water is discharged into the lower part of the filter (pan), from where it is spontaneously fed through pipe 25, into the underground clean water tank 26, which is heated by steam or another heat source. From the underground tank 26, as required, clean water is pumped through pump 28 through inlet pipe 27 and is directed through pipe 31 to washer 1 for reuse or through pipe 35 to regenerate (rinse) filter 22. In this case, clean water is taken by pump 28 through the inlet pipe 27, through the open port and the pipe 35 is directed to the filter 22, from which contaminated water through the outlet pipe and the drain pipe is sent to the vortex sump 4.

To control the quality and quantity of the polypropylene load from the base, the top loading flap of the filter 22 is opened once a month and the inspection is visually performed. When the tank of the pneumatic exhauster 5 is filled under the vortex sump 4 by sediment, the signal from the pressure sensor 39 issues a command to the pneumatic actuator of the movable valve 10 of the pneumatic exhauster and the movable valve 10 closes. Then the valves are opened and the flushing water and compressed air from the compressor 18 are supplied through the pipelines. In this case, the compressed air through the discharge pipes 31 is compressed from the devices 5 and 9 of the pneumatic exhaustion into the bunker 32 of the precipitates. The supply of water helps to better remove the precipitates.

With the accumulation of sediment in the conical parts of the settling tanks 4, 12 and 14 automatically open.

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the moving valves 10 in the pneumatic exhaust device 9, the ii precipitates under their own weight and pressure of the upper layers of the settled water move (flow) into the pneumatic exhaustion tank, after which the movable valves 10 cover and open the valves of the compressor 18 nozzle, while exhaust pipes 31 are squeezed from a device 9 pneumatic exhausts through exhaust pipes 31 to a bunker 32 of sediments installed on a trestle, from where it is taken by dump truck to places reserved for SES.

The use of sewage treatment plants

with a vortex sump and a pneumatic exhaust device mounted between the washing ditch and the underground receiving tank, will allow, in comparison with the basic object, increase the reliability, durability and performance of the sewage treatment plant.

Claims (1)

Invention Formula Wastewater treatment plant from carwash and bus washing by bus. St. No. 1212956, characterized in that, in order to mechanize the removal of mud precipitation, increase reliability and productivity, it is equipped with a vortex sump connected to the source waste pipe and an underground receiving tank, and a pneumatic exhaust device connected to the lower part of the vortex sump The vortex sump is equipped with a pressure sensor and is connected via pipelines to a compressed air compressor, a pump for pumping grease drains and a bunker of grease sediments. Make up ± spruce T. Ledneva Techred L. Oliynyk "Fvl Corrector I.Erdeni