CN1035100A - Ground-water by method of biological filtration basin deironing, manganese technology and equipment - Google Patents
Ground-water by method of biological filtration basin deironing, manganese technology and equipment Download PDFInfo
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- CN1035100A CN1035100A CN88100667A CN88100667A CN1035100A CN 1035100 A CN1035100 A CN 1035100A CN 88100667 A CN88100667 A CN 88100667A CN 88100667 A CN88100667 A CN 88100667A CN 1035100 A CN1035100 A CN 1035100A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
Ground-water by method of biological filtration basin deironing, manganese technology and equipment, this invention belongs to the water treatment scope, particularly belongs to iron, the manganese technology removed in the underground water.
The present invention is to be the underground water deferrization and demanganization technology and the equipment of core with the biological filter process, biochemical film is arranged on the filtrate of the strainer in this equipment, make the very fast Catalytic Oxygen of low price iron, manganese in the water change into high price iron, manganic compound is trapped in the strainer, and sudden and violent gas device is for the needs of weak sudden and violent gas, it is a tubular body arranged inside, sudden and violent gas variable valve is arranged on it, at any time regulate sudden and violent tolerance, have the hole on the back flushing water distributing pipe of its strainer and form big resistance back flushing water distribution system, guaranteed the treatment effect of water better.This technical matters route is simple, facility investment is few, and it is low to consume energy, the effect stability for the treatment of water, and can remove micro polluting substance such as ammonia nitrogen, bacterium etc. in the water.
Description
This technology belongs to water technology, particularly belongs to the iron of removing in the underground water, the technology of manganese.
Contain excessive iron, manganese in the water, not only directly influence HUMAN HEALTH, and have a strong impact on industrial production, thereby the excessive iron, the manganese technology that contain in the removal water have just grown up.The main method of external underground water deferrization and demanganization technology has oxidation style (adding additional processing of medicament raising pH value work such as lime); Chemical oxidization method (oxychlorination, potassium permanganate process, ozone method); Sudden and violent gas contact oxidation method and microbial method.Wherein chemical oxidization method is comparatively general, yet needs the level of management height, needs to throw a large amount of medicaments, causes the water producing cost height; Its filtered version of microbial method adopts slow filter (filter connects 5 meters/hour), thereby efficient is very low, causes the water producing cost height; And sudden and violent gas contact oxidation method removing of iron and manganese technology, be as filtration medium with natural manganese sand, utilize airborne oxygen underground water to be carried out violent gas as oxygenant, carbonic acid gas in the water sheds, increase the dissolved oxygen in the water, and improve pH value in the water as far as possible, and make low price iron, manganese in the water be oxidized to high price iron, manganese is also held back removal attached to filter material surface by filtrate gradually.When iron manganese content is high in the water, need the pressurization of the sudden and violent gas of two-stage, two-stage and filter, make complex process, equipment huge, energy consumption is excessive.
The object of the present invention is to provide that a kind of technical process is simple, the underground water deferrization that less investment, power consumption are low, the technology and the equipment of manganese.
The present invention realizes according to such principle, proves by analysis of components and structural analysis to " iron, manganese matter active filter film ", does not have MnO on this film
2Or Mn
3O
4But the complex chemical compound of iron, manganese (this material is found first), this material is not the product of inorganic reaction, but a kind of biochemical action product of complexity, because this discovery, just fundamentally changed the technological line of " sudden and violent gas contact oxidation method ", technology with iron, manganese in the biochemical action principle removal underground water has put forward, and we are referred to as " biological filter process " this method.The Fe that utilizes in the underground water to be contained
++, Mn
++, ammonia, nitrogen, CO
2, in the filter tank, cultivate iron bacteria, and it anchored on the filtrate rapidly.Owing to iron bacteria be chemoautotrophic bacteria it must obtain energy by a large amount of iron, the manganese of oxidation, simultaneously again with CO
2Be carbon source, with the inorganic nitrogen is nitrogenous source, underground water provides good and growth and breeding environment for iron bacteria, make the filter tank form the biological filter soon, so at a low price iron, manganese is very fast is high price iron, manganic compound by the enzymatic oxidation that iron bacteria produced, and absorption is trapped in the filter tank by bacterium excretory mucus; The meta-bolites of iron bacteria has very strong katalysis again simultaneously, can quicken the oxidation of iron in the water, manganese, under above-mentioned biochemical action, has formed a kind of complex chemical compound and has accumulated on the filtrate, thereby reached the purpose of removing iron in the water, manganese effectively.
The object of the present invention is achieved like this, former water is extracted out after sudden and violent gas device is realized sudden and violent gas, made the water thorough mixing enter to filter in the biological filter through the force (forcing) pump pressurization again through reaction tank and remove ferrimanganic, obtain qualified processed water, for guaranteeing deironing, manganese effect, regularly carry out back flushing to the biological filter.
Operational path of the present invention is simple, and it can quantitatively clearly take single-stage or double-stage filtering technology according to measuring iron manganese content in the water, makes technology reach optimization selection; The present invention has removed violent gas set in the sudden and violent gas contact oxidation method and the strong structures that react, and replace the sudden and violent gas device and the small-sized reaction tank of similar pipe fitting, facility investment and the consumption that reduces the energy have been saved, biological filter filter process effect stability, it is calculated that with result on trial and show, an engineering initial cost of water treatment capacity Q=1000 ton per day is 4.5 ten thousand yuan, and the investment of ton water conservancy project journey is 45 yuan/day; This technology and equipment not only have excessive iron, manganese effect in the good removal water, make iron content in the water, manganese amount reach the standard of national tap water, and phreatic micro polluting substance such as ammonia nitrogen, bacterium are also all had good removal effect.
Effect of the present invention also further specifies by following table:
| Sudden and violent gas | Reaction | Filtrate ripening stage and filter membrane | Filtering velocity | Filtrate | Back flushing speed | |
| Biological filter process | Weak sudden and violent gas dissolved oxygen O 2＝8－9 5mg/L | Reaction times t=10-15 branch, the reaction tank volume is little | 28-32 days biochemical films | 8-20 rice/hour | Manganese sand or materials such as quartz sand or hard coal | 12-14 liter/second M 2 |
| Sudden and violent gas contact oxidation method | Violent gas O 2=8-9 mg/L | Reaction times t=40-60 divides the reaction tank volume | 40-60 days, |
8 meters/hour | The most |
18 liters of/second M 2 |
| Effect | The former equipment is little, and it is low to consume energy | The former less investment floor space is little | The former puts into operation soon | The former processing power is strong | The former adaptability is strong | The former conserve water |
Technology of the present invention and equipment are provided by embodiment and accompanying drawing.
Fig. 1 is technological line schema and the relevant device skeleton diagram that proposes according to the present invention.
Fig. 2 is the structural representation of sudden and violent gas device.
Fig. 3 is the structure of filter synoptic diagram.
The concrete technological line and the equipment that form according to the present invention below in conjunction with embodiment and description of drawings.
Former water is entered the sudden and violent gas of sudden and violent gas device by the drowned pump extraction, sudden and violent gas process only needs weak sudden and violent gas, its required dissolved oxygen is 4-5mg/L, lack nearly 1/2 than the required dissolved oxygen of sudden and violent gas contact oxidation method, this has just determined that sudden and violent gas equipment is simple, this sudden and violent similar pipe fitting of gas device (2) has the gangway (7,8) of water and gas inlet (10), sudden and violent gas variable valve (9) on it, can carry out the adjusting of sudden and violent tolerance according to required sudden and violent gas intensity; Enter the reaction tank reaction from the effusive water of sudden and violent gas device, the reaction times is 10-15 minute, and water residence time in reaction tank shortens, and makes that the reaction tank volume is little, has shortened treatment time of water.Reaction tank can adopt steel plate or plastic plate to manufacture, by force (forcing) pump pressurization water is delivered in the biological filter and filters, in this biological filter filtrate is arranged, the ripening stage of filtrate is 28-32 days, with the iron that contains in the water, manganese, ammonia nitrogen, carbonic acid gas is cultivated iron bacteria, it is anchored at form biochemical film (21) on the filtrate, this film is iron at a low price, the manganese Catalytic Oxygen changes into high price iron, manganic compound is trapped in the filter tank, simultaneously, the meta-bolites of iron bacteria has quickened iron again, the chemical combination of manganese, make treated water with 8-20 rice/hour filtering velocity flow out through the filter tank, this method is referred to as " biological filter process ".The pressure type low-pressure filter is adopted in this biological filter.This strainer (5) is by bearing (11), end socket (12), cylindrical shell (13), water inlet pipe and water outlet pipe (14,15) vapor pipes (16) filter material layers (17), bed course (18), Inlet and outlet water valve (19,20).Filter material layer, bed course are filled in the cylindrical shell bottom, and bed course is made up of three layers of cobble, one deck manganese sand, and particle diameter is respectively 32-16,16-8,8-4,4-2mm, bed thickness is respectively 150,100,100,100mm, and it is 0.6-1.43mm that filtrate is formed particle diameter on bed course top by manganese sand, and bed thickness is 700-800mm.Cylindrical shell is a steel pressure formula container, water inlet pipe feeds the cylindrical shell from end socket, rising pipe is at the cylindrical shell downside, and the Inlet and outlet water valve is positioned on respectively on the water inlet pipe and water outlet pipe, and vapor pipe is positioned on the transverse tube of water inlet pipe, when underground water contains concentration of iron in the 5-10 mg/litre, contain manganese concentration when the 1.0 mg/litre left and right sides, or an iron content and when not containing manganese, when containing concentration of iron greater than the 10 mg/litre left and right sides in the water, can adopt sudden and violent gas-single-stage filtration process, promptly take out former water → sudden and violent gas → reaction → pressurization → filtration; When iron content, manganese were all higher in the underground water, concentration of iron was greater than 10 mg/litre, and manganese concentration adopts sudden and violent gas-double-stage filtering technology during greater than 1.5 mg/litre, promptly takes out former water → sudden and violent gas → reaction → pressure filtration → filtration, the effect of assurance deferrization and demanganization.For further guaranteeing the removing of iron and manganese effect, the present invention also is furnished with counter-flushing process and equipment, along with being trapped in the iron in the filter tank, the increase of manganic compound, influence the treatment effect of water, to regularly carry out back flushing to strainer, backwashing time is looked iron content, the manganese amount size of former water and is determined, is generally and carries out once in 24-48 hour, is lasted for 5-10 minute; Back flushing is finished by the back flushing water distributing pipe, it is installed in the bottom of filter cylinder, its water inlet pipe (22) is an one with filter outlet pipe, have hole (25) on the water distributing pipe, form big resistance back flushing water distribution system, water distributing pipe passes bed course, and water shoot (23) is positioned at the filter inleting pipe lower end, is equipped with water discharging valve (24) on the water shoot.
The present invention can be widely used in the processing of the drinking water of vast rural area and township enterprise and water for industrial use.
Claims (2)
1, a kind of " biological filter process " underground water deferrization, manganese technology, via draw water, sudden and violent gas, reaction, pressurization, filtration, backwash process is to the user, it is characterized in that:
A, sudden and violent gas process are finished by sudden and violent gas device, regulate the required dissolved oxygen of sudden and violent gas and reach 4-5mg/L;
B, reaction process are finished by reaction tank, and the reaction times was at 10-15 minute;
C, filtration procedure are finished by the biological filter, the Fe that contains in the water, Mn, NH
3-N, CO2 cultivate iron bacteria, it is anchored on the filtrate, it is that ripening stage of the filtrate of 0.6-1.43mm is 28-32 days that iron bacteria makes particle diameter, the biochemical film that filter material surface forms iron, the high price iron of manganese catalyzed oxidation, manganic compound at a low price is trapped in the filter tank, simultaneously, the meta-bolites of iron bacteria has quickened the oxidation of iron, manganese again, and treated water flowed out through the filter tank with 8-20 rice/hour filtering velocity;
D, back flushing are finished by the back flushing water distributing pipe, and its back washing strength is in 12-14 liter/second.M
2。
2, a kind of underground water deferrization, manganese equipment are made of drowned pump (1), reaction tank (3), force (forcing) pump (4), strainer (5), back flushing water distributing pipe (6), it is characterized in that:
The water outlet of a, drowned pump connects with the water inlet of sudden and violent gas device, the water outlet of sudden and violent gas device connects with reaction tank, the drinking-water pipe of force (forcing) pump connects with reaction tank, its water shoot connects with the water inlet pipe of strainer, water out and back flushing water distributing pipe water-in are integral after the filter of strainer, the back flushing water distributing pipe is positioned at the filter cylinder bottom, passes the filtrate bed course;
Also comprise sudden and violent gas device in b, its formation, sudden and violent gas device is a tubular body arranged inside (2), and the gangway (7,8) of water, sudden and violent gas variable valve (9) and gas inlet (10) are arranged on it;
C, strainer are made of bearing (11), end socket (12), cylindrical shell (13), water inlet pipe and water outlet pipe (14,15), vapor pipe (16), filter material layer (17), bed course (18), Inlet and outlet water valve (19,20), bed course, filter material layer, the filter material layer outside surface biochemical film (21) of growing is housed in the cylindrical shell, water inlet pipe mouth is positioned at the centre of cylindrical shell top end socket, vapor pipe is positioned on the water inlet pipe, inlet valve is positioned on the water inlet pipe, and flowing water Valve is positioned on the rising pipe;
D, back flushing water distributing pipe (6) are positioned at the filter cylinder bottom, pass bed course, its water inlet pipe (22) is an one with filter outlet pipe (15), and water shoot (23) is positioned at the filter inleting pipe lower end, be equipped with water discharging valve (24) on the water shoot, have hole (25) on the back flushing water distributing pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN88100667A CN1011963B (en) | 1988-02-11 | 1988-02-11 | Technique and installation of removing iron and manganese in ground-water by method of biological filtration basin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN88100667A CN1011963B (en) | 1988-02-11 | 1988-02-11 | Technique and installation of removing iron and manganese in ground-water by method of biological filtration basin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1035100A true CN1035100A (en) | 1989-08-30 |
| CN1011963B CN1011963B (en) | 1991-03-13 |
Family
ID=4831458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN88100667A Expired CN1011963B (en) | 1988-02-11 | 1988-02-11 | Technique and installation of removing iron and manganese in ground-water by method of biological filtration basin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1011963B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1321911C (en) * | 2005-07-27 | 2007-06-20 | 东华大学 | Process and apparatus for removing ferromanganese from underground water |
| CN111302561A (en) * | 2019-11-20 | 2020-06-19 | 山东冽泉环保工程咨询有限公司 | Biological filtration system and PRB system for treating underground water polluted by iron and manganese |
-
1988
- 1988-02-11 CN CN88100667A patent/CN1011963B/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1321911C (en) * | 2005-07-27 | 2007-06-20 | 东华大学 | Process and apparatus for removing ferromanganese from underground water |
| CN111302561A (en) * | 2019-11-20 | 2020-06-19 | 山东冽泉环保工程咨询有限公司 | Biological filtration system and PRB system for treating underground water polluted by iron and manganese |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1011963B (en) | 1991-03-13 |
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