CN100429161C - Water treatment process and tubular water treatment apparatus - Google Patents
Water treatment process and tubular water treatment apparatus Download PDFInfo
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- CN100429161C CN100429161C CNB2005101226218A CN200510122621A CN100429161C CN 100429161 C CN100429161 C CN 100429161C CN B2005101226218 A CNB2005101226218 A CN B2005101226218A CN 200510122621 A CN200510122621 A CN 200510122621A CN 100429161 C CN100429161 C CN 100429161C
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Abstract
This invention discloses a flat filtration water process system with large filtration area and high usability taking a pipe-reactor with a mixer as the main processing device, adding reagents into the reactor and increasing mixers without power then to collect the filtered deposits as industrial raw materials to improve water quality. This invention also discloses a structure of the pipe-reactors and flat filter.
Description
Technical field
The present invention relates to a kind of water technology and device, especially a kind ofly need not to build large-scale reaction tank and can realize method and device that tap water, industrial circulating water, waste water etc. are handled, specifically a kind of water technology and tubular water treatment apparatus.
Background technology
At present, water saving has become the universe's common recognition.Water saving will be lacked water on the one hand, is to carry out utilizing after the suitable processing to water on the other hand again, and this point is for process water, and meaning is particularly important.
For conserve water resource and reducing cost, in industrial enterprise, nearly all water rich and influential family is required to recycle to employed cooling water, just recycle and to handle and to filter recirculated water, but along with increasing of cycle index, water quality can constantly worsen, and necessary regular discharge is with the saltiness in the control water, simultaneously also must regularly carry out back flushing to the obstruction of strainer, also will waste a large amount of water in order to prevent.
Require to set up take up an area of very big treating pond in the existing water technology, to wherein offer medicine, stirring etc., it is not only invested greatly, and difficult in maintenance.Require simultaneously to use filtration unit, existing filtration unit is generally cylindrical filter, and its effective filtration area is very little, therefore the volume of filtration unit is often very big, make filtering cost also high, filter the settling that obtains and generally all outwell, seldom recycled as waste.This phenomenon is especially obvious in power plant, on the one hand the resultant lime carbonate of water treatment, magnesium hydroxide etc. well Chemicals wasted, spend a large amount of funds on the other hand again and remove to buy lime carbonate as the sweetening agent that uses in the flue gas desulfurization (FGD) unit.If be used then can save substantial contribution.
In addition, when utilizing underground water, how effectively to remove metal ion wherein, reduce water hardness and also be one of problem that the water treatment midium or long term can't fine solution as domestic water or process water.Therefore seek a kind ofly take up an area of little, less investment, water treatment method and treatment unit thereof that treatment effect is good are the task of top priority, are build a conservation-minded society essential.
Summary of the invention
The objective of the invention is provides a kind of simple, convenient, less investment and water technology that can fully utilize and device thereof at existing water technology complexity, problem that cost of investment is big.
Technical scheme of the present invention is:
A kind of Treatment of Industrial Water technology is characterized in that:
(1) pending water is introduced the tubular reactor that band stirs, its pipeline middle and long distance at tubular reactor, speed change are flowed, and in described pipeline, add the reaction medication by duct wall, solute in the water is fully reacted with the reaction medication generate solid shaped reaction thing;
(2) above-mentioned abundant reacted water and solid shaped reaction thing are sent in the strainer together filtered, the water after filtering is sent into water use sector or utilize again as recirculated water;
(3) settling of collecting in the strainer being collected the back uses as industrial chemicals.
The feature of utilizing technology of the present invention in industrial circulating cooling water is made up of the following step:
(1) sewer or the make up water of industrial circulating cooling water are introduced the tubular reactor that described band stirs, its pipeline middle and long distance at tubular reactor, speed change are flowed, and adding reaction medication to described pipeline from duct wall, it is fully reacted generate lime carbonate, the solid shaped reaction thing of magnesium hydroxide class, thereby obtain the water of soft, low basicity;
(2) above-mentioned abundant reacted water is sent into filter in the strainer and obtained the solid shape resultant of lime carbonate, magnesium hydroxide, the water after will filtering is simultaneously delivered to water use sector and is utilized as recirculated water again;
(3) lime carbonate collected in the strainer, the solid shape resultant of magnesium hydroxide are sent into used as sweetening agent in the flue gas desulfurization (FGD) unit or reclaim as industrial chemicals.
In above-mentioned water treatment procedure, also can be recycled in the tubular reactor as impelling the crystalline nucleus to use filtering the partial crystallization body of collecting the back.
As follows with the water treatment device that technology of the present invention matches:
A kind of tubular water treatment apparatus of belt stirrer, it is characterized in that it mainly comprises tubular reactor and/or board-like filtration unit, described tubular reactor is made up of the hydraulic pipes end to end, that caliber is different of some parallel placements, some chemicals dosing plants are installed on the corresponding hydraulic pipe, the input terminus of tubular reactor links to each other with pending water source, and the not agitator of drive is installed in the hydraulic pipe; Described board-like filtration unit is made up of two parts up and down, top is square or the rectangle housing, which is provided with the water-in that links to each other with the tubular reactor water outlet, some filtering units of being made up of plate shape or net form filter material that are parallel to each other are installed in the housing, the lower end of filtering unit is connected with rising pipe, the bottom of board-like filtration unit is the inverted cone shape structure, and its underpart is provided with slag-drip opening.
Described agitator is the oar formula of not drive, board-like, fan formula, whirlwind-type or screw mixer.
Described planar shaped screen plate or net are stainless steel sintering net, stainless steel seat shape net, non-woven fabrics, pottery or plastics filter core.
Described continuous pipeline has different bores, and head and the tail link, and the pipeline connection is turned around through twice right-angle turning 180 degree, and adjacent channel does not have the gap.
Described filtering unit is provided with quadra, and wherein the two sides is fixed with plate shape or net form filter material, and the bottom of quadra links to each other with drainage pipeline by rising pipe.
Beneficial effect of the present invention:
1, less investment, floor space is little, and is applied widely.Can save a large amount of infrastructure projects, save the area.
2, the recycling and the recycle of the byproduct after helping handling.
3, the equipment occupation of land is few, and simple in structure, easily manufactured, cost is low, and filtration area is big, and the water consumption is low.
4, not only can be used for circulating water treatment, and can be used for various water treatments such as drinking water treatment, Industrial Wastewater Treatment, softening water, treatment effect is good.
Description of drawings
Fig. 1 is a process flow sheet of the present invention.
Fig. 2 is the applicating flow chart of technology of the present invention in the Water of Power Plant circular treatment.
Fig. 3 is that equipment of the present invention is formed structural representation.
Fig. 4 is the structural representation of tubular reactor of the present invention.
Fig. 5 is the vertical view of Fig. 4.
Fig. 6 is the left view of Fig. 4.
Fig. 7 is the structural representation of board-like filtration unit of the present invention.
Fig. 8 is the plan structure synoptic diagram of Fig. 7.
Embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
Shown in Fig. 2-8.
With the be applied as example of the present invention in firepower electrical plant method of the present invention is described further below:
In electrification technique as well as, need to use a large amount of water to cool off various electrical equipment, transmission apparatus, steam turbine tail vapour condenser, every 300,000 kilowatts of units per hour need 20000～30000 tons of waters, moisture content constantly loses in the use, need constantly to be filled new water, because saliferous (north is especially obvious) in the water, thereby be concentrated the fouling corrosion that causes interchanger after the circulation, so need constantly carry out blowdown.Main harm thing, hardness, basicity are that available method of the present invention is removed in the water, and can not cause new harm, handle the lime carbonate of gained, the raw material that magnesium hydroxide can change into flue gas desulfurization on the spot, also can be used for the filler of plastics, paint, coating and as the environmental protection medicament, be important chemical material, the new water quality better after handling with method of the present invention can be used as recirculated water and stove water replenishes water, is power plant's resources circulation, the realization zero release of pollutant is contributed, and sees shown in Figure 2.
Concrete treating processes is:
(1) water coolant of fuel-burning power plant circulation cooling usefulness is introduced the tubular reactor that described band stirs, its pipeline middle and long distance at tubular reactor, speed change are flowed, and multiple spot adding reaction medication to described pipeline from duct wall, it is fully reacted generate lime carbonate, the solid shaped reaction thing of magnesium hydroxide, thereby the water hardness of making, basicity reduce;
(2) above-mentioned abundant reacted water is sent into filter in the strainer and obtained the solid shape resultant of lime carbonate, magnesium hydroxide, the water after will filtering simultaneously is transmitted back to water use sector again and recycles or utilize as recirculated water again;
(3) lime carbonate collected in the strainer, the solid shape resultant of magnesium hydroxide are sent in the flue gas desulfurization (FGD) unit and used as sweetening agent.
The water treatment device that matches with technology of the present invention is shown in Fig. 3-8.
A kind of tubular water treatment apparatus of belt stirrer mainly comprises tubular reactor 1 and/or board-like filtration unit 2, can link to each other by hydraulic pipe between the two.
Wherein:
Tubular reactor 1 can be arranged to hydraulic pipe 3 not of uniform size, that be arranged in order according to flow velocity and arts demand by some parallel placements, end to end, caliber and form, the purpose of utilizing the size variation of caliber is in order to change the flow velocity of water, because caliber difference, the flow velocity difference of water, the connection of two hydraulic pipes 3 that link to each other is turned around through twice right-angle turning 180 degree, and adjacent channel does not have gap (shown in Fig. 4,5,6).The quantity of hydraulic pipe 3 is determined after can calculating according to caliber, the water yield that needs processing, water quality etc., some chemicals dosing plants 4 are installed on the corresponding hydraulic pipe 3, the quantity of chemicals dosing plant 4 can be set according to the situation of institute's treating water, processed water quality inferiority, the quantity of corresponding chemicals dosing plant 4 will be more.The input terminus of tubular reactor 1 links to each other with pending water source, for make water in flow process with added reaction medication thorough mixing, the oar formula of utilizing current to be used as power, board-like or fan formula agitator 5 are installed in the hydraulic pipe 3 of the present invention.
Board-like filtration unit 2 is made up of two parts up and down, top is square or rectangle housing 6, which is provided with the water-in that links to each other with tubular reactor 1 water outlet, some filtering units that are parallel to each other 7 are installed in the housing 6, filtering unit 7 is provided with quadra 10, wherein the two sides is fixed with plate shape or net form filter material 11, and the bottom of quadra 10 links to each other with drainage pipeline by rising pipe 8.The bottom of board-like filtration unit 2 is the inverted cone shape structure, and its underpart is provided with slag-drip opening 9.Plate shape or net form filter material 11 can be stainless steel sintering net, seat shape net, non-woven fabrics, pottery or plastics filter core, and the size of housing 6 can be determined according to the size of plate shape of being chosen or net form filter material 11.
Claims (8)
1, a kind of Treatment of Industrial Water technology is characterized in that:
(1) pending water is introduced the tubular reactor that band stirs, its pipeline middle and long distance at tubular reactor, speed change are flowed, and in described pipeline, add the reaction medication by duct wall, solute in the water is fully reacted with the reaction medication generate solid shaped reaction thing;
(2) above-mentioned abundant reacted water and solid shaped reaction thing are sent in the strainer together filtered, the water after filtering is sent into water use sector or utilize again as recirculated water;
(3) settling of collecting in the strainer being collected the back uses as industrial chemicals.
2, Treatment of Industrial Water technology according to claim 1 is characterized in that:
(1) sewer or the make up water of industrial circulating cooling water are introduced the tubular reactor that described band stirs, itself and the reaction medication that is added are fully reacted generate lime carbonate and the solid shaped reaction thing of magnesium hydroxide class, thus the water of acquisition soft, low basicity;
(2) above-mentioned abundant reacted water and solid shaped reaction thing are sent into to filter in the strainer obtain lime carbonate and the solid shape resultant of magnesium hydroxide, the water after will filtering is simultaneously delivered to water use sector or is utilized as recirculated water again;
(3) lime carbonate collected in the strainer, the solid shape resultant of magnesium hydroxide are sent into used as sweetening agent in the flue gas desulfurization (FGD) unit or reclaim as industrial chemicals.
3, water technology according to claim 1 and 2 is characterized in that being recycled in the tubular reactor as impelling the crystalline nucleus to use filtering the partial crystallization body of collecting.
4, a kind of tubular water treatment apparatus of belt stirrer, it is characterized in that it mainly comprises tubular reactor and board-like filtration unit, described tubular reactor is made up of the hydraulic pipes end to end, that caliber is different of some parallel placements, some chemicals dosing plants are installed on the corresponding hydraulic pipe, the input terminus of tubular reactor links to each other with pending water source, and the not agitator of drive is installed in the hydraulic pipe; Described board-like filtration unit is made up of two parts up and down, top is square or the rectangle housing, which is provided with the water-in that links to each other with the tubular reactor water outlet, some filtering units of being made up of plate shape or net form filter material that are parallel to each other are installed in the housing, and the lower end of filtering unit is connected with rising pipe; The bottom of board-like filtration unit is the inverted cone shape structure, and its underpart is provided with slag-drip opening.
5, the tubular water treatment apparatus of belt stirrer according to claim 4 is characterized in that described agitator is the oar formula of drive not, board-like, fan formula, whirlwind-type or screw mixer.
6, the tubular water treatment apparatus of belt stirrer according to claim 4 is characterized in that described planar shaped screen plate or net are stainless steel sintering net, stainless steel seat shape net, non-woven fabrics, pottery or plastics filter core.
7, the tubular water treatment apparatus of belt stirrer according to claim 4 is characterized in that described continuous pipeline has different bores, and head and the tail link, and the pipeline connection is turned around through twice right-angle turning 180 degree, and adjacent channel does not have the gap.
8, the tubular water treatment apparatus of belt stirrer according to claim 4 is characterized in that described filtering unit is provided with quadra, and wherein the two sides is fixed with plate shape or net form filter material, and the bottom of quadra links to each other with drainage pipeline by rising pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101226218A CN100429161C (en) | 2005-11-29 | 2005-11-29 | Water treatment process and tubular water treatment apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101226218A CN100429161C (en) | 2005-11-29 | 2005-11-29 | Water treatment process and tubular water treatment apparatus |
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| CN1978344A CN1978344A (en) | 2007-06-13 |
| CN100429161C true CN100429161C (en) | 2008-10-29 |
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| CNB2005101226218A Active CN100429161C (en) | 2005-11-29 | 2005-11-29 | Water treatment process and tubular water treatment apparatus |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154612B (en) * | 2014-07-04 | 2017-05-24 | 西安工程大学 | Evaporative cooling air handling unit with water quality purification device |
| CN109970276B (en) * | 2019-04-08 | 2020-06-23 | 内蒙古润嘉节能环保科技有限公司 | Near-zero emission system for circulating cooling water |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001021537A1 (en) * | 1999-09-20 | 2001-03-29 | Alfa Laval Ab | Method for purification of water which has been used for vehicle wash |
| WO2002097189A1 (en) * | 2001-05-30 | 2002-12-05 | Linde Ag | A method for treating circulation waters |
| CN1483506A (en) * | 2002-07-18 | 2004-03-24 | 韩国电力公社 | Method for recovering waste liquid produced in process of chemical cleaning for intlustrial boiler |
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2005
- 2005-11-29 CN CNB2005101226218A patent/CN100429161C/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001021537A1 (en) * | 1999-09-20 | 2001-03-29 | Alfa Laval Ab | Method for purification of water which has been used for vehicle wash |
| WO2002097189A1 (en) * | 2001-05-30 | 2002-12-05 | Linde Ag | A method for treating circulation waters |
| CN1483506A (en) * | 2002-07-18 | 2004-03-24 | 韩国电力公社 | Method for recovering waste liquid produced in process of chemical cleaning for intlustrial boiler |
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| Publication number | Publication date |
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| CN1978344A (en) | 2007-06-13 |
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