WO2009067094A1 - Water treatment unit and water purification and disinfection plant - Google Patents
Water treatment unit and water purification and disinfection plant Download PDFInfo
- Publication number
- WO2009067094A1 WO2009067094A1 PCT/UA2007/000074 UA2007000074W WO2009067094A1 WO 2009067094 A1 WO2009067094 A1 WO 2009067094A1 UA 2007000074 W UA2007000074 W UA 2007000074W WO 2009067094 A1 WO2009067094 A1 WO 2009067094A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- water
- nozzle
- pump
- line
- heat exchanger
- Prior art date
Links
Classifications
-
- 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
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
-
- 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
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
- C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
-
- 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
- C02F2201/003—Coaxial constructions, e.g. a cartridge located coaxially within another
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/043—Treatment of partial or bypass streams
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
Definitions
- the invention deals with the treatment of industrial or residential sewage by mechanical oscillations aimed at the biological or chemical purification of water, without any considerable water heating, combined with the flocculation of suspended pollutants and their removal by filtration. It can be used, in particular, in agriculture and public utilities as well as in food and other industries.
- 27.03.2001 consisting of a water supply system, a pump, a nozzle, a mixing chamber with electrodes connected to the source of high-voltage impulses and a filtration system at the chamber outlet.
- the air-water mixture is supplied into the mixing chamber through the nozzle and the water is disinfected due to regular high-voltage discharges through the mixture; the filtration system ensures removal of suspended disinfected pollutants.
- Russian patent No. 2213702, INT. CL: C02F 1/34, published on 10.10.2003 consisting of a water supply system, a pump, a water nozzle, a system of nozzle-electrodes connected in series (the electrodes are connected with a high-voltage generator) and a filtration system.
- the disadvantage of the plant is the necessity of using additional generators of acoustic ultrasonic field and ultraviolet light.
- the simultaneous application of acoustic ultrasonic field, causing the formation of cavitation bubbles, and ultraviolet light reduces the effect of ultraviolet light because the bubbles hinder light propagation.
- the pollutants themselves hinder the propagation of ultraviolet light therefore, the plant must be equipped with a primary and final filter at the inlet, which complicates the system.
- a higher level of purification and disinfection can be achieved in cyclic mode, when the water is fed through the plant several times.
- the cyclic operation of the plant would be unsuitable for continuous processes.
- the disadvantage of the plant is the necessity of using two cavitation generators installed at the inlet and outlet.
- the cavitation level and treatment quality are affected by the low temperature of the water processed in both cavitation generators.
- the water is heated by a separate energy source before the outlet generator.
- the problem of utilization of the heat of processed water at the outlet is still not settled which affects unfavorably the coefficient of efficiency of the plant.
- the goal of the invention is to simplify the design of a water purification and disinfection plant, improve its operating parameters, achieve a high uniformity of water treatment and efficient utilization of thermal processes in the plant. This can be attained by changing the scheme of connection of structural components and using a multi- chamber nozzle providing the same flow velocity in all chambers and sections of the nozzle.
- a water purification and disinfection plant which contains a water supply line, a filter, a pump, a nozzle, a heat exchanger and a line delivering processed water.
- the new idea lies in installing a heat-receiving duct of the heat exchanger in the water supply line, before the pump; the water supply line divides into two circuits: the first circuit, with a multi-chamber nozzle ensuring the same flow velocity in various chamber sections, is connected to the pump pressure line, the second circuit is connected to the inlet of the other, heat-releasing, duct of the heat exchanger. The outlet of this duct is connected to the line delivering processed water.
- connection of the heat exchanger according to a regenerative scheme and the new pattern of heat exchange increase the efficiency of the plant. Due to a high temperature of the water before the nozzle and equal physical properties and parameters of the flow in different chamber sections stable parameters of cavitation generation in the volume and complete water treatment are achieved. The cavitation degree and, accordingly, treatment quality are affected by the temperature of water processed in the cavitation generator; this water is heated additionally before the final cavitation generator from concurrent processes. Moreover, the question as to utilizing the heat of processed water at the plant outlet is settled which favorably affects the efficiency of the plant.
- the filter is installed in the line delivering processed water.
- the water supply line is equipped with a feed pump.
- a water treatment unit consisting of a water supply line, a pump, a nozzle and a line delivering processed water.
- the innovation of the unit lies in multi-chamber design of the nozzle, this giving the same flow velocity in various chamber sections; .
- the nozzle outlet is connected to the water supply line.
- the line delivering processed water it is connected to the pump discharge outlet.
- the outlet of the multi-chamber nozzle is equipped with a regulating valve.
- Fig. 1 shows the layout of the water purification and disinfection plant as well as its component which can be used separately, i.e. water treatment unit (it is marked with a contour line);
- Fig. 2 shows the section of the multi-chamber nozzle providing the same flow velocity in its chambers.
- the plant has source of unprocessed water 1 , water supply line 2 which is equipped with feed pump 3.
- Heat-receiving duct of heato exchanger 4 is installed in water supply line 2, before pump 5, and is connected to water supply line 2.
- Water supply line 6 after pump 5 is divided into two circuits 7 and 8; circuit 7 is connected to pump pressure line 5; this circuit has multi-chamber nozzle 9 providing the same flow velocity in different chamber sections; circuit 8 is connected to heat- 5 releasing duct 4 of the heat exchanger the outlet of which is connected to line 10 delivering processed water.
- Line 10 is equipped with another heat exchanger 11, filters 12 and processed water header 13.
- Multi-chamber, equal-velocity nozzle 9 used in the plant (see Fig. 2) is equipped with several coaxial nozzles, each of them has confusero 14 and diffuser 15 connected through cylindrical cavity 16. It should be noted that each nozzle of a bigger diameter is smaller in length than any nozzle having a smaller diameter, except for the nozzle of the biggest diameter; the angles of slope of the generating rays of the confuser and diffuser of each nozzle of a bigger length to the axis of the equal- 5 velocity nozzle are smaller than those of nozzles of a smaller length.
- the mode of operation of the plant is as follows.
- the water from unprocessed water source 1 is supplied by means of feed pump 3 via supply line 2 to heat-receiving duct 4 of the heat exchanger, then the pre-heated water with the water from circuit 7 is supplied to pump 5.
- the processed water is supplied to circuit 7 and 8.
- the pre-heated water mixture is fed to multi-chamber nozzle 9 where it is disinfected and purified by means of cavitation and ultrasound generation.
- the nozzle providing the same flow velocity in various chamber sections ensures uniform cavitation in all nozzle sections, therefore the quality of treatment is significantly increased.
- the water processed several times is supplied via circuit 8 to heat-releasing duct 4 of the heat exchanger, is heated there and supplied to pump 5 and nozzle 9. While running through line 10, the water is cooled additionally in heat exchanger 11 , cleaned in filters 12 and is discharged to processed water header 13.
Abstract
The invention deals with the treatment of industrial or residential sewage by mechanical oscillations combined with the flocculation of suspended pollutants and their removal by means of filtration. The water purification and disinfection plant consists of a water supply line (2), a heat exchanger (4), a pump (5), a multi-chamber nozzle (9), a filter (12) and a line delivering processed water (10). The heat-receiving duct of the heat exchanger is installed in the water supply line (2) before the pump (5); the water supply line (2) is divided after the pump (5) into two circuits: one circuit (7) is equipped with a multi-chamber nozzle (9) and is connected to the pump (5) pressure line,-.the other circuit (8) is connected to the inlet of the heat releasing duct of the heat exchanger (4),- the outlet of the heat releasing duct of the heat exchanger (4) is connected to the line delivering processed water (10). Filter (12) is installed in the line delivering processed water (10). Due to the change of connection of the structural components and the use of a multi-chamber nozzle providing the same flow velocity, in various chambers and nozzle sections, the design of the plant is considerably simplified' and its operating performance is improved. A high temperature of the water before the nozzle and equal physical properties and parameters of the flow in different chamber sections ensure stable parameters of cavitation generation in the volume and complete water treatment.
Description
WATER TREATMENT UNIT AND WATER PURIFICATION AND DISINFECTION
PLANT
The invention deals with the treatment of industrial or residential sewage by mechanical oscillations aimed at the biological or chemical purification of water, without any considerable water heating, combined with the flocculation of suspended pollutants and their removal by filtration. It can be used, in particular, in agriculture and public utilities as well as in food and other industries.
There exists a water purification and disinfection plant (see Russian patent No. 2164499, INT. CL: G02F 1/34, published on
27.03.2001 ) consisting of a water supply system, a pump, a nozzle, a mixing chamber with electrodes connected to the source of high-voltage impulses and a filtration system at the chamber outlet. The air-water mixture is supplied into the mixing chamber through the nozzle and the water is disinfected due to regular high-voltage discharges through the mixture; the filtration system ensures removal of suspended disinfected pollutants.
According to the comments on the efficiency of water purification with electrical discharges (see: Goryachev V. L., Rutberg F. G., Fedyukovich V.N. Electric-Discharge Method of Water Purification. Condition of the problem and prospects. Bulletin of the Academy of Sciences. Power Engineering, 1998, 1. p. 40-55), this purification method involves considerable energy consumption. Besides, the disadvantage of this system is the necessity of using a high-voltage energy source and complicated operation of such a plant.
There exists a water purification and disinfection plant (see Russian patent No. 2006485, INT. CL: C02F 1/78, published on 30.01.1994) consisting of a water supply system, a pump, an ozone generator, an ejector-mixer and a water filtration system.
The disadvantage of this plant is the necessity of using a source of ozone and complicated operation. Moreover, as a study shows, only 1% of pollutants are present in the treatment zone.
There exists a water purification and disinfection plant (see
Russian patent No. 2213702, INT. CL: C02F 1/34, published on 10.10.2003) consisting of a water supply system, a pump, a water nozzle, a system of nozzle-electrodes connected in series (the electrodes are connected with a high-voltage generator) and a filtration system.
The quality of water purification and disinfection is somewhat improved due to the use of a system of nozzle-electrodes connected in series. On the other hand, the disadvantage of this system is the necessity of using a high-voltage energy source and resulting complications of its operation.
There exists a water purification and disinfection plant (see Russian patent No. 2109688, INT. CL: C02F 1/00, published on 27.04.1998) consisting of a water supply system with a pump, a primary and a final filter connected in series, a cavitation chamber with a transmitter of acoustic ultrasonic field and that of ultraviolet light, and a filtration system located at the plant outlet.
The disadvantage of the plant is the necessity of using additional generators of acoustic ultrasonic field and ultraviolet light. The simultaneous application of acoustic ultrasonic field, causing the formation of cavitation bubbles, and ultraviolet light reduces the effect of ultraviolet light because the bubbles hinder light propagation. Furthermore, the pollutants themselves hinder the propagation of ultraviolet light, therefore, the plant must be equipped with a primary
and final filter at the inlet, which complicates the system.
There exists a water purification and disinfection system (see Russian patent No. 2057079, INT. CL: C02F 1/34, published on 27.04.1998) consisting of a water supply system and a filter, a cavitation generator of Venturi nozzle type, a pump, a heat-exchanger/heater (connected to an external source of heat carrier) and another Venturi nozzle, all connected in series.
A higher level of purification and disinfection can be achieved in cyclic mode, when the water is fed through the plant several times. The cyclic operation of the plant would be unsuitable for continuous processes.
The disadvantage of the plant is the necessity of using two cavitation generators installed at the inlet and outlet.
Another disadvantage is that in cavitation, nozzle-like generators the actual flow of passing liquid or gaseous medium forms a great number of elementary volumes having different physical properties. The cause of this phenomenon is that the molecules of working medium contacting stationary surfaces of a confuser, diffuser or a chamber between them loose their own velocity and reduce the velocity of adjacent molecules because of friction, which results in different levels of cavitation generation in the said volume and incomplete water treatment.
The cavitation level and treatment quality are affected by the low temperature of the water processed in both cavitation generators. The water is heated by a separate energy source before the outlet generator. Besides, the problem of utilization of the heat of processed water at the outlet is still not settled which affects unfavorably the coefficient of efficiency of the plant.
The goal of the invention is to simplify the design of a water purification and disinfection plant, improve its operating parameters, achieve a high uniformity of water treatment and efficient utilization of thermal processes in the plant. This can be attained by changing the scheme of connection of structural components and using a multi- chamber nozzle providing the same flow velocity in all chambers and sections of the nozzle.
To solve the problem in question, a water purification and disinfection plant has been developed which contains a water supply line, a filter, a pump, a nozzle, a heat exchanger and a line delivering processed water.
The new idea lies in installing a heat-receiving duct of the heat exchanger in the water supply line, before the pump; the water supply line divides into two circuits: the first circuit, with a multi-chamber nozzle ensuring the same flow velocity in various chamber sections, is connected to the pump pressure line, the second circuit is connected to the inlet of the other, heat-releasing, duct of the heat exchanger. The outlet of this duct is connected to the line delivering processed water.
As a result of the change of connection of the structural components of the plant and the use of a multi-chamber nozzle providing the same flow velocity in various chambers and nozzle sections, the design of the plant is notably simplified and its operating performance improved. The new design of the plant makes it suitable for continuous processes.
The connection of the heat exchanger according to a regenerative scheme and the new pattern of heat exchange increase the efficiency of the plant.
Due to a high temperature of the water before the nozzle and equal physical properties and parameters of the flow in different chamber sections stable parameters of cavitation generation in the volume and complete water treatment are achieved. The cavitation degree and, accordingly, treatment quality are affected by the temperature of water processed in the cavitation generator; this water is heated additionally before the final cavitation generator from concurrent processes. Moreover, the question as to utilizing the heat of processed water at the plant outlet is settled which favorably affects the efficiency of the plant.
In practice the circuit with a multi-chamber nozzle is equipped with a regulating valve.
In practice the line delivering processed water is equipped with a heat exchanger (2).
In practice the filter is installed in the line delivering processed water.
In practice the water supply line is equipped with a feed pump.
The goal indicated is achieved with a water treatment unit consisting of a water supply line, a pump, a nozzle and a line delivering processed water.
The innovation of the unit lies in multi-chamber design of the nozzle, this giving the same flow velocity in various chamber sections; . the nozzle outlet is connected to the water supply line. As for the line delivering processed water, it is connected to the pump discharge outlet.
In practice the outlet of the multi-chamber nozzle is equipped with
a regulating valve.
Fig. 1 shows the layout of the water purification and disinfection plant as well as its component which can be used separately, i.e. water treatment unit (it is marked with a contour line); Fig. 2 shows the section of the multi-chamber nozzle providing the same flow velocity in its chambers.
The plant has source of unprocessed water 1 , water supply line 2 which is equipped with feed pump 3. Heat-receiving duct of heato exchanger 4 is installed in water supply line 2, before pump 5, and is connected to water supply line 2. Water supply line 6 after pump 5 is divided into two circuits 7 and 8; circuit 7 is connected to pump pressure line 5; this circuit has multi-chamber nozzle 9 providing the same flow velocity in different chamber sections; circuit 8 is connected to heat-5 releasing duct 4 of the heat exchanger the outlet of which is connected to line 10 delivering processed water. Line 10 is equipped with another heat exchanger 11, filters 12 and processed water header 13.
Multi-chamber, equal-velocity nozzle 9 used in the plant (see Fig. 2) is equipped with several coaxial nozzles, each of them has confusero 14 and diffuser 15 connected through cylindrical cavity 16. It should be noted that each nozzle of a bigger diameter is smaller in length than any nozzle having a smaller diameter, except for the nozzle of the biggest diameter; the angles of slope of the generating rays of the confuser and diffuser of each nozzle of a bigger length to the axis of the equal-5 velocity nozzle are smaller than those of nozzles of a smaller length.
The mode of operation of the plant is as follows. The water from unprocessed water source 1 is supplied by means of feed pump 3 via supply line 2 to heat-receiving duct 4 of the heat exchanger, then the pre-heated water with the water from circuit 7 is supplied to pump 5.
After pump 5 the processed water is supplied to circuit 7 and 8. In circuit 7 the pre-heated water mixture is fed to multi-chamber nozzle 9 where it is disinfected and purified by means of cavitation and ultrasound generation. The nozzle providing the same flow velocity in various chamber sections ensures uniform cavitation in all nozzle sections, therefore the quality of treatment is significantly increased. The water processed several times is supplied via circuit 8 to heat-releasing duct 4 of the heat exchanger, is heated there and supplied to pump 5 and nozzle 9. While running through line 10, the water is cooled additionally in heat exchanger 11 , cleaned in filters 12 and is discharged to processed water header 13.
Claims
1. A water purification and disinfection plant, comprising: a water supply line, a filter, a pump, a nozzle, a heat exchanger and a line delivering processed water, wherein the heat-receiving duct of the heat exchanger is installed in the water supply line, before the pump; the water supply line after the pump is divided into two circuits; one of the circuits is connected to the pump pressure line and is equipped with a multi-chamber nozzle providing the same flow velocity in various chamber sections; the other circuit is connected to the inlet of the heat-releasing duct of the heat exchanger; its outlet is connected to the line delivering processed water.
2. The water purification and disinfection plant according to claim 1 , wherein a regulating valve installed in the circuit with the multi- chamber nozzle.
3. The water purification and disinfection plant according to claim
1, wherein a heat exchanger (2) installed in the line delivering processed water.
4. The water purification and disinfection plant according to claim
1 , wherein a filter installed in the line delivering processed water.
5. The water purification and disinfection plant according to claim
1 , wherein a feed pump mounted in the water supply line.
6. The water treatment unit, comprising: a water supply line, a pump, a nozzle and a line delivering processed water, wherein the multi-chamber design of the nozzle ensuring the same flow velocity in various chamber sections; the nozzle outlet is connected to the water supply line and the line delivering processed water - to the pump discharge outlet.
7. The water treatment unit according to claim 6, wherein a regulating valve installed at the outlet of the multi-chamber nozzle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| UAA200712964A UA84383C2 (en) | 2007-11-23 | 2007-11-23 | Installation for water treatment and decontamination and the device for water treatment |
| UAA200712964 | 2007-11-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2009067094A1 true WO2009067094A1 (en) | 2009-05-28 |
Family
ID=39511121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/UA2007/000074 WO2009067094A1 (en) | 2007-11-23 | 2007-12-05 | Water treatment unit and water purification and disinfection plant |
Country Status (2)
| Country | Link |
|---|---|
| UA (1) | UA84383C2 (en) |
| WO (1) | WO2009067094A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2995803A1 (en) * | 2012-09-24 | 2014-03-28 | Peugeot Citroen Automobiles Sa | Supply circuit for supplying liquid to air treatment device charged to produce pulsated and processed air flow intended to feed passenger compartment of car, has control unit arranged to start processing cycle when liquid is to be processed |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6200486B1 (en) * | 1999-04-02 | 2001-03-13 | Dynaflow, Inc. | Fluid jet cavitation method and system for efficient decontamination of liquids |
| RU2170713C2 (en) * | 1999-07-21 | 2001-07-20 | Акционерное общество закрытого типа "СВАРОГ" | Aqueous medium purifying and disinfecting apparatus |
| RU2284964C1 (en) * | 2005-02-28 | 2006-10-10 | Государственное образовательное учреждение высшего профессионального образования "Кубанский государственный технологический университет" (ГОУВПО "КубГТУ") | Method of sterilization of the water systems |
-
2007
- 2007-11-23 UA UAA200712964A patent/UA84383C2/en unknown
- 2007-12-05 WO PCT/UA2007/000074 patent/WO2009067094A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6200486B1 (en) * | 1999-04-02 | 2001-03-13 | Dynaflow, Inc. | Fluid jet cavitation method and system for efficient decontamination of liquids |
| RU2170713C2 (en) * | 1999-07-21 | 2001-07-20 | Акционерное общество закрытого типа "СВАРОГ" | Aqueous medium purifying and disinfecting apparatus |
| RU2284964C1 (en) * | 2005-02-28 | 2006-10-10 | Государственное образовательное учреждение высшего профессионального образования "Кубанский государственный технологический университет" (ГОУВПО "КубГТУ") | Method of sterilization of the water systems |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2995803A1 (en) * | 2012-09-24 | 2014-03-28 | Peugeot Citroen Automobiles Sa | Supply circuit for supplying liquid to air treatment device charged to produce pulsated and processed air flow intended to feed passenger compartment of car, has control unit arranged to start processing cycle when liquid is to be processed |
Also Published As
| Publication number | Publication date |
|---|---|
| UA84383C2 (en) | 2008-10-10 |
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