WO2015158783A1 - Véhicule de vidange destiné à recevoir des eaux usées et procédé de vidange - Google Patents

Véhicule de vidange destiné à recevoir des eaux usées et procédé de vidange Download PDF

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Publication number
WO2015158783A1
WO2015158783A1 PCT/EP2015/058184 EP2015058184W WO2015158783A1 WO 2015158783 A1 WO2015158783 A1 WO 2015158783A1 EP 2015058184 W EP2015058184 W EP 2015058184W WO 2015158783 A1 WO2015158783 A1 WO 2015158783A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
disposal vehicle
dirty water
pressure
disposal
Prior art date
Application number
PCT/EP2015/058184
Other languages
German (de)
English (en)
Other versions
WO2015158783A8 (fr
Inventor
Viktor HÄUSLE
Original Assignee
Kaiser Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kaiser Ag filed Critical Kaiser Ag
Publication of WO2015158783A1 publication Critical patent/WO2015158783A1/fr
Publication of WO2015158783A8 publication Critical patent/WO2015158783A8/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
    • E03F7/10—Wheeled apparatus for emptying sewers or cesspools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/16—Evaporating by spraying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0027—Condensation of vapours; Recovering volatile solvents by condensation by direct contact between vapours or gases and the cooling medium
    • B01D5/003—Condensation of vapours; Recovering volatile solvents by condensation by direct contact between vapours or gases and the cooling medium within column(s)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
    • B01D5/006—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes with evaporation or distillation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/048—Purification of waste water by evaporation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/16—Treatment of water, waste water, or sewage by heating by distillation or evaporation using waste heat from other processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/18—Transportable devices to obtain potable water
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/005—Valves
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/007—Modular design
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/008—Mobile apparatus and plants, e.g. mounted on a vehicle
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/001—Upstream control, i.e. monitoring for predictive control
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/02—Temperature

Definitions

  • the invention relates to a disposal vehicle for successive startup of a plurality of stationary collecting containers with dirty water, for receiving dirty water from the external collection containers, thickening of the dirty water with separation of clean water and discharge of clean water from the disposal vehicle.
  • a disposal vehicle comprises a device for receiving the dirty water and discharge of clean water, a waste water tank, a water tank and a system for thickening the dirty water.
  • the invention relates to a method for emptying a collecting container. State of the art
  • Disposal vehicles of the type mentioned are used to empty, for example, oil separators, pits, sewage tunnels, sewers or the like.
  • appropriately equipped disposal vehicles drive off the streets even in densely populated areas and empty one shaft or pit after the other.
  • these are generally called collecting tanks, which may also be oil separators, pits, shafts, sewage tunnels, channels and the like, deepened in the ground or higher.
  • the vehicle stops at each collection container and pumps or sucks dirty water from the collection container into a dirty water tank located on the disposal vehicle with a suction hose.
  • the collecting container with purified water which is initially carried in a water tank and later produced from the dirty water, at least partially filled and the Disposal vehicle drives to the next collection container. This is repeated until the end of the shift. Then the disposal vehicle drives to an unloading point and empties the recovery tank to be ready for the next shift. From the deposits, materials such as gravel, etc. can be recovered. The non-recyclable residues are brought to a combustion plant or stored in a landfill.
  • Such disposal vehicles continuously clean parts of the dirty water to purified water, which is then returned to the environment, for example, to refill the sump.
  • the dirty water is therefore increasingly polluted in the course of the shift, more and more thickened.
  • Object of the present invention is to provide a disposal vehicle of the type described above, which leaves no chemical additives in the water and has an economical and reliable plant.
  • the disposal vehicle should not be larger than a truck without a trailer, which is approved in the settlement area, and record a total of about 30m 3 waste water per shift and can run through for cleaning.
  • a method for emptying a collecting container using a disposal vehicle according to the invention which produces economically and reliably from dirty water water without chemical additives.
  • water is always understood to mean clean water, in contrast to waste water as a starting material.
  • the object is achieved by a disposal vehicle having the features of the main claim and by a method having the features of the independent method claim.
  • a disposal vehicle of the type described at the outset for thickening the dirty water comprises a distillation plant which can continuously distill clean water from the dirty water in the working range between 70 and 105 ° C.
  • distillation units are not suitable for the present task because, in order to be able to cope with the required capacity, they are much too large to be accommodated on a truck in addition to the required containers.
  • the operation of a distillation plant is usually too energy-intensive, so that the economic requirement can not be met.
  • distillation plants can meet the specifications of capacity, space requirements and operating costs, if they work with working temperatures between 70 and 105 ° C.
  • individual stages of the distillation unit should work within the specified operating temperatures in the narrow temperature range of at most 10 ° C., in particular of at most 5 ° C.
  • the distillation unit could be a vacuum distillation unit, as known from the oil refinery.
  • vacuum distillation unit as known from the oil refinery.
  • Vacuum can be generated economically with the suction system, which sucks the dirty water.
  • the waste heat of the disposal vehicle can be used as well as the other operating equipment, which are located on the disposal vehicle.
  • An additional heating for example in the form of a diesel heater, can be used, in particular at the beginning of the shift.
  • waste water is pumped by means of a vacuum pump from one of the external collecting container into the waste water tank with the inventive disposal vehicle, while it successively anfishes a plurality of stationary collecting containers with dirty water.
  • dirty water is passed to the plant for distillation, whereby the plant separates out clean water, which is led into the water tank.
  • the thickened waste water is finally passed from the system back into the recovery tank and the clean water is discharged from the disposal vehicle again, for example, back into the environment. It can also be used to refill the sump, or it can be used as treated drinking water.
  • Show it 1 shows a schematic representation of a disposal vehicle according to the invention
  • FIG. 2 shows a multi-stage distillation unit of a disposal vehicle according to the invention, shown schematically.
  • FIG. 1 shows a schematic representation of a disposal vehicle 1 according to the invention, as permitted in a residential area, for the successive start-up of a plurality of collecting containers 2, for receiving dirty water 22 from each of the external collecting containers 2, for thickening the dirty water 22 while segregating clean water 23 and 23 for discharging the clean water, for example, to return to the environment, in particular back to a collection container 2 or for use as drinking water.
  • It comprises a dirty water tank 4, into which dirty water 22 can be sucked from a collecting container 2 by means of a suction hose 3.
  • a vacuum pump 18 serves this purpose.
  • solids 21 accumulate over time.
  • the dirty water tank 4 can be completely opened at the rear opening devices 19, for emptying and cleaning.
  • a water tank 5 is disposed on the disposal vehicle 1 for receiving the clean water 23.
  • the dirty water tank 4 has a filter 6, which is arranged under a water play gel 20 of the dirty water 22 and is connected to a line 7.
  • This line 7 leads to a plant 8, here according to the invention a distillation plant 8, for thickening the dirty water 22.
  • the plant 8 operates in a heat range between 70 and 105 ° C, preferably between 85 and 100 ° C, as little as possible To spend energy.
  • the distillation unit 8 is also disposed on the disposal vehicle 1 and preferably connected to one or more heat exchangers 9, which are preferably at least partially heated in operation by waste heat of the disposal vehicle 1, which comes from modules 10, such as the engine.
  • the heat exchanger 9 bring the dirty water 22 to a desired, elevated temperature. This can use energy that would otherwise be wasted. Additional heaters, such as diesel heaters, can also be used.
  • the distillation unit 8 is designed in multiple stages, as shown in Fig. 2. In a preferred embodiment, at least one heat exchanger 9 is arranged between the dirty water tank 4 and the distillation unit 8, for cooling at least one stage of the condenser 12.
  • part of the water evaporates in the dirty water 22 and condenses to clean water 23, which is finally supplied to the water tank 5 in further lines 7. From there it is periodically returned to the environment, for example in a return line 24th
  • the water tank 5 envelops the recovery tank 4 to promote heat recovery, since the distilled water 23, which comes from the distillation unit 8, still has a temperature of mostly above 70 ° C.
  • the dirty water 22 can be preheated so. It is also possible to arrange the water tank 5 within the dirty water tank 4. These arrangements promote the heat exchange between dirty water 22 and the water 23.
  • a heat exchanger 9 between the two tanks 4, 5 can be set up to further improve the energy recovery. Another advantage is the weight distribution, which can be made uniform by a concentric arrangement.
  • evaporator 11 and condenser 12 are connected to one another with a common steam space 13 such that a free pressure exchange between evaporator 11 and condenser 12 is ensured at all times.
  • evaporator 11 and condenser 12 are arranged in the optimal case immediately next to each other and have a large connection area.
  • the temperature distribution in the entire steam room 13 is so homogeneous that the temperatures at various points within the vapor space 13 between the dirty water 22 and the clean water 23 by a maximum of 10 ° C, preferably by a maximum 5 ° C differ.
  • the working area of Appendix 8 is therefore within a maximum of 10 ° C resp. 5 ° C in one step.
  • Both evaporator 11 and capacitor 12 preferably have a spray unit 14, for spraying the dirty water 22 into the evaporator 11, respectively. of the water 23 into the condenser 12. This greatly increases the surface area of the liquids, which in turn promotes evaporation and condensation.
  • a pressure sensor and a temperature sensor 15 are arranged. These serve the control of the system 8, not shown, so that it always works in the optimum temperature-pressure range.
  • the control monitors during the process the pressure and temperature in the steam room 13 and regulates the pressure as needed.
  • the optimum pressure should always be a few percent higher than the saturation vapor pressure of water, corresponding to the prevailing temperature in the steam room 13.
  • This is preferably with a pressure connection 16, which has a valve 17, directly or indirectly, for example via a Intermediate buffer, connected to the waste water tank 4. By opening the valve 17, the pressure in the steam chambers 17 is lowered, at the same time non-condensable gases are sucked.
  • a four-stage distillation unit 8 is shown schematically, it can be analogously with the single-stage distillation unit 8 of FIG. 1 exchange.
  • the distillation unit 8 can also consist of a different number of stages, with two of the more stages.
  • the illustrated four-stage distillation unit 8 comprises in each case four evaporators 11 and four capacitors 12 which are arranged one below the other. Spraying 14 atomize the dirty water 22 resp. the water 23 of an adjacent stage fine.
  • the distilled, clean water 23 is each cooler by a few degrees than the dirty water 22 (for example, 3 ° C cooler), the condensation in the range of cooler water droplets is promoted, so that the water vapor, which forms in warmer dirty water 22 in the evaporator 11 , migrates to the condenser 12 and condensed there.
  • Non-condensable gases are sucked off at the pressure connection 16, which is equipped with a valve 17.
  • the steps will cool down a few degrees down each.
  • At least one of the steam rooms 13 comprises a pressure and temperature sensor 15.
  • the remaining lines 7 correspond to those of the distillation plant in FIG. 1.
  • the temperature differences of evaporator 11 and capacitor 12 of a stage are for example between 2 and 10 ° C, preferably 3-5 ° C. This also corresponds to the
  • Each said vapor space 13 has in the region of the condenser 12 preferably a gas suction device for the suction of non-condensable gases.
  • This can be configured as a provided with a valve 17 pressure connection 16 to the recovery tank 4.
  • the valve 17 is controlled by the controller, wherein in multi-stage distillation units, the pressure in each of the steam chambers 13 can be adjusted individually by a valve 17.
  • dirty water 22 is pumped by means of a vacuum pump 18 from each of the sump 2 into the waste water tank 4, from where it is fed into the plant 8 for distilling the dirty water 22.
  • the plant 8 separates clean water 23, which is passed into the water tank 5.
  • the thickened waste water 22 from the plant 8 is discharged back into the waste water tank 4 and the clean water 23 from the water tank 5 again from the disposal vehicle 1, for example, back into the environment.
  • the clean water 23 is at least partially returned to the sump 2, which the disposal vehicle 1 starts during the shift.
  • the clean water recovered from the disposal vehicle 1 may alternatively but at least partially be treated Water can also be used for other purposes, such as drinking water.
  • the distillation process runs continuously during the whole shift, even during the emptying and refilling of the stationary collection container 2 and while the disposal vehicle 1 is traveling to the individual collection containers 2 until it finally arrives at the disposal station at the end of the shift. There, the waste water tank 4 of the disposal vehicle 1 is emptied and cleaned. The solids 21 are removed and then properly disposed of or reprocessed.
  • the energy requirement when operating the system 8 can be reduced by operating the system 8 at least partially with waste heat from the disposal vehicle 1.
  • the valve 17 is opened, which is arranged in the connecting line 7, the pressure connection 16 between the distillation unit 8 and the sludge tank 4.
  • Disposal vehicle 1 does not include any chemical additives that are added to the dirty water 22. The economy is given with the inventive disposal vehicle 1. LIST OF REFERENCE NUMBERS

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)

Abstract

L'invention concerne un véhicule de vidange destiné à se rendre successivement à une pluralité de cuves de collecte (2) stationnaires contenant des eaux usées (22), à recevoir des eaux usées (22) des cuves de collecte (22) extérieures, à concentrer les eaux usées (22) en extrayant de l'eau propre (23) et à vider l'eau propre (23) du véhicule de vidange. Le véhicule de vidange comprend un dispositif (18, 3, 24) destiné à recevoir les eaux usées (22) et à vider l'eau propre (23), un réservoir d'eaux usées (4), un réservoir d'eau (5) ainsi qu'une installation d'épaississement des eaux usées. Selon l'invention, l'installation est une installation de distillation (8) qui peut distiller en continu de l'eau propre (23) à partir des eaux usées (22) dans la plage température de de travail allant de 70 à 105 °C. L'invention concerne également un procédé de fonctionnement d'un véhicule de vidange de ce type.
PCT/EP2015/058184 2014-04-17 2015-04-15 Véhicule de vidange destiné à recevoir des eaux usées et procédé de vidange WO2015158783A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00595/14A CH709546B1 (de) 2014-04-17 2014-04-17 Entsorgungsfahrzeug zur Aufnahme von Schmutzwasser und Verfahren zur Entsorgung.
CH00595/14 2014-04-17

Publications (2)

Publication Number Publication Date
WO2015158783A1 true WO2015158783A1 (fr) 2015-10-22
WO2015158783A8 WO2015158783A8 (fr) 2015-12-23

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Application Number Title Priority Date Filing Date
PCT/EP2015/058184 WO2015158783A1 (fr) 2014-04-17 2015-04-15 Véhicule de vidange destiné à recevoir des eaux usées et procédé de vidange

Country Status (2)

Country Link
CH (1) CH709546B1 (fr)
WO (1) WO2015158783A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107324270A (zh) * 2017-06-22 2017-11-07 东莞市永强汽车制造有限公司 智能集成加油车
JP2019209249A (ja) * 2018-06-04 2019-12-12 オルガノ株式会社 発電設備用の蒸発濃縮装置及び方法ならびに発電設備
CN110714682A (zh) * 2019-09-25 2020-01-21 长沙中联重科环境产业有限公司 吸污车后门启闭锁紧装置、吸污车污水罐及吸污车
CN110800443A (zh) * 2019-11-19 2020-02-18 华北水利水电大学 一种利用污水浇灌的农用节水灌溉装置
US20220372747A1 (en) * 2021-05-19 2022-11-24 Hi-Vac Corp Sewer Cleaning System With Water Treatment System

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0615028A1 (fr) * 1993-03-11 1994-09-14 Herm. J. Hellmers GmbH Véhicule communal
US6013138A (en) * 1998-04-02 2000-01-11 Gapvax, Inc. Method for cleaning a pipe with a vehicle
WO2001034012A1 (fr) * 1999-11-10 2001-05-17 Microseptec, Inc. Systeme mobile de traitement des dechets
EP2052940A2 (fr) * 2007-10-26 2009-04-29 Tecnicas Modulares E Industriales, S.A. Système de toilette pour véhicules, notamment pour vehicules ferroviaires
US20100147753A1 (en) * 2008-12-15 2010-06-17 Slawko Morris Baziuk Material separation system for vacuum truck

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0615028A1 (fr) * 1993-03-11 1994-09-14 Herm. J. Hellmers GmbH Véhicule communal
US6013138A (en) * 1998-04-02 2000-01-11 Gapvax, Inc. Method for cleaning a pipe with a vehicle
WO2001034012A1 (fr) * 1999-11-10 2001-05-17 Microseptec, Inc. Systeme mobile de traitement des dechets
EP2052940A2 (fr) * 2007-10-26 2009-04-29 Tecnicas Modulares E Industriales, S.A. Système de toilette pour véhicules, notamment pour vehicules ferroviaires
US20100147753A1 (en) * 2008-12-15 2010-06-17 Slawko Morris Baziuk Material separation system for vacuum truck

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107324270A (zh) * 2017-06-22 2017-11-07 东莞市永强汽车制造有限公司 智能集成加油车
JP2019209249A (ja) * 2018-06-04 2019-12-12 オルガノ株式会社 発電設備用の蒸発濃縮装置及び方法ならびに発電設備
JP7079151B2 (ja) 2018-06-04 2022-06-01 オルガノ株式会社 発電設備用の蒸発濃縮装置及び方法ならびに発電設備
CN110714682A (zh) * 2019-09-25 2020-01-21 长沙中联重科环境产业有限公司 吸污车后门启闭锁紧装置、吸污车污水罐及吸污车
CN110714682B (zh) * 2019-09-25 2021-06-01 长沙中联重科环境产业有限公司 吸污车后门启闭锁紧装置、吸污车污水罐及吸污车
CN110800443A (zh) * 2019-11-19 2020-02-18 华北水利水电大学 一种利用污水浇灌的农用节水灌溉装置
CN110800443B (zh) * 2019-11-19 2021-08-03 华北水利水电大学 一种利用污水浇灌的农用节水灌溉装置
US20220372747A1 (en) * 2021-05-19 2022-11-24 Hi-Vac Corp Sewer Cleaning System With Water Treatment System

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Publication number Publication date
CH709546A1 (de) 2015-10-30
WO2015158783A8 (fr) 2015-12-23
CH709546B1 (de) 2018-03-29

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